forked from AuroraMiddleware/gtk
4243 lines
116 KiB
C
4243 lines
116 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2010 Carlos Garnacho <carlosg@gnome.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <string.h>
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#include <stdlib.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <cairo-gobject.h>
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#include "gtkcssproviderprivate.h"
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#include "gtkanimationdescription.h"
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#include "gtk9slice.h"
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#include "gtkgradient.h"
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#include "gtkthemingengine.h"
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#include "gtkstyleprovider.h"
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#include "gtkstylecontextprivate.h"
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#include "gtkbindings.h"
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#include "gtkprivate.h"
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/**
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* SECTION:gtkcssprovider
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* @Short_description: CSS-like styling for widgets
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* @Title: GtkCssProvider
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* @See_also: #GtkStyleContext, #GtkStyleProvider
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*
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* GtkCssProvider is an object implementing the #GtkStyleProvider interface.
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* It is able to parse <ulink url="http://www.w3.org/TR/CSS2">CSS</ulink>-like
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* input in order to style widgets.
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*
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* <refsect2 id="gtkcssprovider-files">
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* <title>Default files</title>
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* <para>
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* An application can cause GTK+ to parse a specific CSS style sheet by
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* calling gtk_css_provider_load_from_file() and adding the provider with
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* gtk_style_context_add_provider() or gtk_style_context_add_provider_for_screen().
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* In addition, certain files will be read when GTK+ is initialized. First,
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* the file <filename><envar>$XDG_CONFIG_HOME</envar>/gtk-3.0/gtk.css</filename>
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* is loaded if it exists. Then, GTK+ tries to load
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* <filename><envar>$HOME</envar>/.themes/<replaceable>theme-name</replaceable>/gtk-3.0/gtk.css</filename>,
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* falling back to
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* <filename><replaceable>datadir</replaceable>/share/themes/<replaceable>theme-name</replaceable>/gtk-3.0/gtk.css</filename>,
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* where <replaceable>theme-name</replaceable> is the name of the current theme
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* (see the #GtkSettings:gtk-theme-name setting) and <replaceable>datadir</replaceable>
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* is the prefix configured when GTK+ was compiled, unless overridden by the
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* <envar>GTK_DATA_PREFIX</envar> environment variable.
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* </para>
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* </refsect2>
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* <refsect2 id="gtkcssprovider-stylesheets">
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* <title>Style sheets</title>
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* <para>
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* The basic structure of the style sheets understood by this provider is
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* a series of statements, which are either rule sets or '@-rules', separated
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* by whitespace.
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* </para>
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* <para>
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* A rule set consists of a selector and a declaration block, which is
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* a series of declarations enclosed in curly braces ({ and }). The
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* declarations are separated by semicolons (;). Multiple selectors can
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* share the same declaration block, by putting all the separators in
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* front of the block, separated by commas.
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* </para>
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* <example><title>A rule set with two selectors</title>
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* <programlisting language="text">
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* GtkButton, GtkEntry {
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* color: #ff00ea;
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* font: Comic Sans 12
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* }
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* </programlisting>
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* </example>
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* </refsect2>
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* <refsect2 id="gtkcssprovider-selectors">
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* <title>Selectors</title>
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* <para>
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* Selectors work very similar to the way they do in CSS, with widget class
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* names taking the role of element names, and widget names taking the role
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* of IDs. When used in a selector, widget names must be prefixed with a
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* '#' character. The '*' character represents the so-called universal
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* selector, which matches any widget.
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* </para>
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* <para>
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* To express more complicated situations, selectors can be combined in
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* various ways:
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* <itemizedlist>
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* <listitem><para>To require that a widget satisfies several conditions,
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* combine several selectors into one by concatenating them. E.g.
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* <literal>GtkButton#button1</literal> matches a GtkButton widget
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* with the name button1.</para></listitem>
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* <listitem><para>To only match a widget when it occurs inside some other
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* widget, write the two selectors after each other, separated by whitespace.
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* E.g. <literal>GtkToolBar GtkButton</literal> matches GtkButton widgets
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* that occur inside a GtkToolBar.</para></listitem>
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* <listitem><para>In the previous example, the GtkButton is matched even
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* if it occurs deeply nested inside the toolbar. To restrict the match
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* to direct children of the parent widget, insert a '>' character between
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* the two selectors. E.g. <literal>GtkNotebook > GtkLabel</literal> matches
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* GtkLabel widgets that are direct children of a GtkNotebook.</para></listitem>
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* </itemizedlist>
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* </para>
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* <example>
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* <title>Widget classes and names in selectors</title>
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* <programlisting language="text">
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* /* Theme labels that are descendants of a window */
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* GtkWindow GtkLabel {
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* background-color: #898989
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* }
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*
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* /* Theme notebooks, and anything that's within these */
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* GtkNotebook {
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* background-color: #a939f0
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* }
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*
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* /* Theme combo boxes, and entries that
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* are direct children of a notebook */
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* GtkComboBox,
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* GtkNotebook > GtkEntry {
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* color: @fg_color;
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* background-color: #1209a2
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* }
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*
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* /* Theme any widget within a GtkBin */
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* GtkBin * {
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* font-name: Sans 20
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* }
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*
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* /* Theme a label named title-label */
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* GtkLabel#title-label {
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* font-name: Sans 15
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* }
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*
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* /* Theme any widget named main-entry */
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* #main-entry {
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* background-color: #f0a810
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* }
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* </programlisting>
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* </example>
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* <para>
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* Widgets may also define style classes, which can be used for matching.
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* When used in a selector, style classes must be prefixed with a '.'
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* character.
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* </para>
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* <para>
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* Refer to the documentation of individual widgets to learn which
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* style classes they define and see <xref linkend="gtkstylecontext-classes"/>
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* for a list of all style classes used by GTK+ widgets.
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* </para>
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* <para>
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* Note that there is some ambiguity in the selector syntax when it comes
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* to differentiation widget class names from regions. GTK+ currently treats
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* a string as a widget class name if it contains any uppercase characters
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* (which should work for more widgets with names like GtkLabel).
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* </para>
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* <example>
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* <title>Style classes in selectors</title>
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* <programlisting language="text">
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* /* Theme all widgets defining the class entry */
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* .entry {
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* color: #39f1f9;
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* }
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*
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* /* Theme spinbuttons' entry */
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* GtkSpinButton.entry {
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* color: #900185
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* }
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* </programlisting>
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* </example>
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* <para>
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* In complicated widgets like e.g. a GtkNotebook, it may be desirable
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* to style different parts of the widget differently. To make this
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* possible, container widgets may define regions, whose names
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* may be used for matching in selectors.
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* </para>
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* <para>
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* Some containers allow to further differentiate between regions by
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* applying so-called pseudo-classes to the region. For example, the
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* tab region in GtkNotebook allows to single out the first or last
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* tab by using the :first-child or :last-child pseudo-class.
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* When used in selectors, pseudo-classes must be prefixed with a
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* ':' character.
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* </para>
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* <para>
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* Refer to the documentation of individual widgets to learn which
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* regions and pseudo-classes they define and see
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* <xref linkend="gtkstylecontext-classes"/> for a list of all regions
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* used by GTK+ widgets.
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* </para>
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* <example>
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* <title>Regions in selectors</title>
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* <programlisting language="text">
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* /* Theme any label within a notebook */
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* GtkNotebook GtkLabel {
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* color: #f90192;
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* }
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*
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* /* Theme labels within notebook tabs */
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* GtkNotebook tab GtkLabel {
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* color: #703910;
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* }
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*
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* /* Theme labels in the any first notebook
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* tab, both selectors are equivalent */
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* GtkNotebook tab:nth-child(first) GtkLabel,
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* GtkNotebook tab:first-child GtkLabel {
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* color: #89d012;
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* }
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* </programlisting>
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* </example>
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* <para>
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* Another use of pseudo-classes is to match widgets depending on their
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* state. This is conceptually similar to the :hover, :active or :focus
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* pseudo-classes in CSS. The available pseudo-classes for widget states
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* are :active, :prelight (or :hover), :insensitive, :selected, :focused
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* and :inconsistent.
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* </para>
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* <example>
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* <title>Styling specific widget states</title>
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* <programlisting language="text">
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* /* Theme active (pressed) buttons */
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* GtkButton:active {
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* background-color: #0274d9;
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* }
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*
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* /* Theme buttons with the mouse pointer on it,
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* both are equivalent */
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* GtkButton:hover,
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* GtkButton:prelight {
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* background-color: #3085a9;
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* }
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*
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* /* Theme insensitive widgets, both are equivalent */
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* :insensitive,
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* *:insensitive {
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* background-color: #320a91;
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* }
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*
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* /* Theme selection colors in entries */
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* GtkEntry:selected {
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* background-color: #56f9a0;
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* }
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*
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* /* Theme focused labels */
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* GtkLabel:focused {
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* background-color: #b4940f;
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* }
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*
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* /* Theme inconsistent checkbuttons */
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* GtkCheckButton:inconsistent {
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* background-color: #20395a;
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* }
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* </programlisting>
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* </example>
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* <para>
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* Widget state pseudoclasses may only apply to the last element
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* in a selector.
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* </para>
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* <para>
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* To determine the effective style for a widget, all the matching rule
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* sets are merged. As in CSS, rules apply by specificity, so the rules
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* whose selectors more closely match a widget path will take precedence
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* over the others.
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* </para>
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* </refsect2>
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* <refsect2 id="gtkcssprovider-rules">
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* <title>@ Rules</title>
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* <para>
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* GTK+'s CSS supports the @import rule, in order to load another
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* CSS style sheet in addition to the currently parsed one.
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* </para>
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* <example>
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* <title>Using the @import rule</title>
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* <programlisting language="text">
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* @import url ("path/to/common.css");
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* </programlisting>
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* </example>
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* <para id="css-binding-set">
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* In order to extend key bindings affecting different widgets, GTK+
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* supports the @binding-set rule to parse a set of bind/unbind
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* directives, see #GtkBindingSet for the supported syntax. Note that
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* the binding sets defined in this way must be associated with rule sets
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* by setting the gtk-key-bindings style property.
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* </para>
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* <para>
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* Customized key bindings are typically defined in a separate
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* <filename>gtk-keys.css</filename> CSS file and GTK+ loads this file
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* according to the current key theme, which is defined by the
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* #GtkSettings:gtk-key-theme-name setting.
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* </para>
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* <example>
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* <title>Using the @binding rule</title>
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* <programlisting language="text">
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* @binding-set binding-set1 {
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* bind "<alt>Left" { "move-cursor" (visual-positions, -3, 0) };
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* unbind "End";
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* };
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*
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* @binding-set binding-set2 {
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* bind "<alt>Right" { "move-cursor" (visual-positions, 3, 0) };
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* bind "<alt>KP_space" { "delete-from-cursor" (whitespace, 1)
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* "insert-at-cursor" (" ") };
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* };
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*
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* GtkEntry {
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* gtk-key-bindings: binding-set1, binding-set2;
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* }
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* </programlisting>
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* </example>
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* <para>
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* GTK+ also supports an additional @define-color rule, in order
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* to define a color name which may be used instead of color numeric
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* representations. Also see the #GtkSettings:gtk-color-scheme setting
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* for a way to override the values of these named colors.
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* </para>
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* <example>
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* <title>Defining colors</title>
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* <programlisting language="text">
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* @define-color bg_color #f9a039;
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*
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* * {
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* background-color: @bg_color;
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* }
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* </programlisting>
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* </example>
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* </refsect2>
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* <refsect2 id="gtkcssprovider-symbolic-colors">
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* <title>Symbolic colors</title>
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* <para>
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* Besides being able to define color names, the CSS parser is also able
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* to read different color expressions, which can also be nested, providing
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* a rich language to define colors which are derived from a set of base
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* colors.
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* </para>
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* <example>
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* <title>Using symbolic colors</title>
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* <programlisting language="text">
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* @define-color entry-color shade (@bg_color, 0.7);
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*
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* GtkEntry {
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* background-color: @entry-color;
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* }
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*
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* GtkEntry:focused {
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* background-color: mix (@entry-color,
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* shade (#fff, 0.5),
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* 0.8);
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* }
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* </programlisting>
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* </example>
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* <para>
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* The various ways to express colors in GTK+ CSS are:
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* </para>
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* <informaltable>
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* <tgroup cols="3">
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* <thead>
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* <row>
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* <entry>Syntax</entry>
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* <entry>Explanation</entry>
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* <entry>Examples</entry>
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* </row>
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* </thead>
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* <tbody>
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* <row>
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* <entry>rgb(@r, @g, @b)</entry>
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* <entry>An opaque color; @r, @g, @b can be either integers between
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* 0 and 255 or percentages</entry>
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* <entry><literallayout>rgb(128, 10, 54)
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* rgb(20%, 30%, 0%)</literallayout></entry>
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* </row>
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* <row>
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* <entry>rgba(@r, @g, @b, @a)</entry>
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* <entry>A translucent color; @r, @g, @b are as in the previous row,
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* @a is a floating point number between 0 and 1</entry>
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* <entry><literallayout>rgba(255, 255, 0, 0.5)</literallayout></entry>
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* </row>
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* <row>
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* <entry>#@xxyyzz</entry>
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* <entry>An opaque color; @xx, @yy, @zz are hexadecimal numbers
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* specifying @r, @g, @b variants with between 1 and 4
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* hexadecimal digits per component are allowed</entry>
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* <entry><literallayout>#ff12ab
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* #f0c</literallayout></entry>
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* </row>
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* <row>
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* <entry>@name</entry>
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* <entry>Reference to a color that has been defined with
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* @define-color
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* </entry>
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* <entry>@bg_color</entry>
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* </row>
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* <row>
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* <entry>mix(@color1, @color2, @f)</entry>
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* <entry>A linear combination of @color1 and @color2. @f is a
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* floating point number between 0 and 1.</entry>
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* <entry><literallayout>mix(#ff1e0a, @bg_color, 0.8)</literallayout></entry>
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* </row>
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* <row>
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* <entry>shade(@color, @f)</entry>
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* <entry>A lighter or darker variant of @color. @f is a
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* floating point number.
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* </entry>
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* <entry>shade(@fg_color, 0.5)</entry>
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* </row>
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* <row>
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* <entry>lighter(@color)</entry>
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* <entry>A lighter variant of @color</entry>
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* </row>
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* <row>
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* <entry>darker(@color)</entry>
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* <entry>A darker variant of @color</entry>
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* </row>
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* </tbody>
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* </tgroup>
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* </informaltable>
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* </refsect2>
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* <refsect2 id="gtkcssprovider-gradients">
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* <title>Gradients</title>
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* <para>
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* Linear or radial Gradients can be used as background images.
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* </para>
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* <para>
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* A linear gradient along the line from (@start_x, @start_y) to
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* (@end_x, @end_y) is specified using the syntax
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* <literallayout>-gtk-gradient (linear,
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* @start_x @start_y, @end_x @end_y,
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* color-stop (@position, @color),
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* ...)</literallayout>
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* where @start_x and @end_x can be either a floating point number between
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* 0 and 1 or one of the special values 'left', 'right' or 'center', @start_y
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* and @end_y can be either a floating point number between 0 and 1 or one
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* of the special values 'top', 'bottom' or 'center', @position is a floating
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* point number between 0 and 1 and @color is a color expression (see above).
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* The color-stop can be repeated multiple times to add more than one color
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* stop. 'from (@color)' and 'to (@color)' can be used as abbreviations for
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* color stops with position 0 and 1, respectively.
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* </para>
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* <example>
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* <title>A linear gradient</title>
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* <inlinegraphic fileref="gradient1.png" format="PNG"/>
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* <para>This gradient was specified with
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* <literallayout>-gtk-gradient (linear,
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* left top, right bottom,
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* from(@yellow), to(@blue))</literallayout></para>
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* </example>
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* <example>
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* <title>Another linear gradient</title>
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* <inlinegraphic fileref="gradient2.png" format="PNG"/>
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* <para>This gradient was specified with
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* <literallayout>-gtk-gradient (linear,
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* 0 0, 0 1,
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* color-stop(0, @yellow),
|
|
* color-stop(0.2, @blue),
|
|
* color-stop(1, #0f0))</literallayout></para>
|
|
* </example>
|
|
* <para>
|
|
* A radial gradient along the two circles defined by (@start_x, @start_y,
|
|
* @start_radius) and (@end_x, @end_y, @end_radius) is specified using the
|
|
* syntax
|
|
* <literallayout>-gtk-gradient (radial,
|
|
* @start_x @start_y, @start_radius,
|
|
* @end_x @end_y, @end_radius,
|
|
* color-stop (@position, @color),
|
|
* ...)</literallayout>
|
|
* where @start_radius and @end_radius are floating point numbers and
|
|
* the other parameters are as before.
|
|
* </para>
|
|
* <example>
|
|
* <title>A radial gradient</title>
|
|
* <inlinegraphic fileref="gradient3.png" format="PNG"/>
|
|
* <para>This gradient was specified with
|
|
* <literallayout>-gtk-gradient (radial,
|
|
* center center, 0,
|
|
* center center, 1,
|
|
* from(@yellow), to(@green))</literallayout></para>
|
|
* </example>
|
|
* <example>
|
|
* <title>Another radial gradient</title>
|
|
* <inlinegraphic fileref="gradient4.png" format="PNG"/>
|
|
* <para>This gradient was specified with
|
|
* <literallayout>-gtk-gradient (radial,
|
|
* 0.4 0.4, 0.1,
|
|
* 0.6 0.6, 0.7,
|
|
* color-stop (0, #f00),
|
|
* color-stop (0.1, #a0f),
|
|
* color-stop (0.2, @yellow),
|
|
* color-stop (1, @green))</literallayout></para>
|
|
* </example>
|
|
* </refsect2>
|
|
* <refsect2 id="gtkcssprovider-slices">
|
|
* <title>Border images</title>
|
|
* <para>
|
|
* Images can be used in 'slices' for the purpose of creating scalable
|
|
* borders.
|
|
* </para>
|
|
* <inlinegraphic fileref="slices.png" format="PNG"/>
|
|
* <para>
|
|
* The syntax for specifying border images of this kind is:
|
|
* <literallayout>url(@path) @top @right @bottom @left [repeat|stretch]? [repeat|stretch]?</literallayout>
|
|
* The sizes of the 'cut off' portions are specified
|
|
* with the @top, @right, @bottom and @left parameters.
|
|
* The 'middle' sections can be repeated or stretched to create
|
|
* the desired effect, by adding the 'repeat' or 'stretch' options after
|
|
* the dimensions. If two options are specified, the first one affects
|
|
* the horizontal behaviour and the second one the vertical behaviour.
|
|
* If only one option is specified, it affects both.
|
|
* </para>
|
|
* <example>
|
|
* <title>A border image</title>
|
|
* <inlinegraphic fileref="border1.png" format="PNG"/>
|
|
* <para>This border image was specified with
|
|
* <literallayout>url("gradient1.png") 10 10 10 10</literallayout>
|
|
* </para>
|
|
* </example>
|
|
* <example>
|
|
* <title>A repeating border image</title>
|
|
* <inlinegraphic fileref="border2.png" format="PNG"/>
|
|
* <para>This border image was specified with
|
|
* <literallayout>url("gradient1.png") 10 10 10 10 repeat</literallayout>
|
|
* </para>
|
|
* </example>
|
|
* <example>
|
|
* <title>A stretched border image</title>
|
|
* <inlinegraphic fileref="border3.png" format="PNG"/>
|
|
* <para>This border image was specified with
|
|
* <literallayout>url("gradient1.png") 10 10 10 10 stretch</literallayout>
|
|
* </para>
|
|
* </example>
|
|
* </refsect2>
|
|
* <refsect2 id="gtkcssprovider-transitions">
|
|
* <para>Styles can specify transitions that will be used to create a gradual
|
|
* change in the appearance when a widget state changes. The following
|
|
* syntax is used to specify transitions:
|
|
* <literallayout>@duration [s|ms] [linear|ease|ease-in|ease-out|ease-in-out] [loop]?</literallayout>
|
|
* The @duration is the amount of time that the animation will take for
|
|
* a complete cycle from start to end. If the loop option is given, the
|
|
* animation will be repated until the state changes again.
|
|
* The option after the duration determines the transition function from a
|
|
* small set of predefined functions.
|
|
* <figure><title>Linear transition</title>
|
|
* <graphic fileref="linear.png" format="PNG"/>
|
|
* </figure>
|
|
* <figure><title>Ease transition</title>
|
|
* <graphic fileref="ease.png" format="PNG"/>
|
|
* </figure>
|
|
* <figure><title>Ease-in-out transition</title>
|
|
* <graphic fileref="ease-in-out.png" format="PNG"/>
|
|
* </figure>
|
|
* <figure><title>Ease-in transition</title>
|
|
* <graphic fileref="ease-in.png" format="PNG"/>
|
|
* </figure>
|
|
* <figure><title>Ease-out transition</title>
|
|
* <graphic fileref="ease-out.png" format="PNG"/>
|
|
* </figure>
|
|
* </para>
|
|
* </refsect2>
|
|
* <refsect2 id="gtkcssprovider-properties">
|
|
* <title>Supported properties</title>
|
|
* <para>
|
|
* Properties are the part that differ the most to common CSS,
|
|
* not all properties are supported (some are planned to be
|
|
* supported eventually, some others are meaningless or don't
|
|
* map intuitively in a widget based environment).
|
|
* </para>
|
|
* <para>
|
|
* There is also a difference in shorthand properties, for
|
|
* example in common CSS it is fine to define a font through
|
|
* the different @font-family, @font-style, @font-size
|
|
* properties, meanwhile in GTK+'s CSS only the canonical
|
|
* @font property is supported.
|
|
* </para>
|
|
* <para>
|
|
* The currently supported properties are:
|
|
* </para>
|
|
* <informaltable>
|
|
* <tgroup cols="4">
|
|
* <thead>
|
|
* <row>
|
|
* <entry>Property name</entry>
|
|
* <entry>Syntax</entry>
|
|
* <entry>Maps to</entry>
|
|
* <entry>Examples</entry>
|
|
* </row>
|
|
* </thead>
|
|
* <tbody>
|
|
* <row>
|
|
* <entry>engine</entry>
|
|
* <entry>engine-name</entry>
|
|
* <entry>#GtkThemingEngine</entry>
|
|
* <entry>engine: clearlooks;
|
|
* engine: none; /* use the default (i.e. builtin) engine) */ </entry>
|
|
* </row>
|
|
* <row>
|
|
* <entry>background-color</entry>
|
|
* <entry morerows="2">color (see above)</entry>
|
|
* <entry morerows="2">#GdkRGBA</entry>
|
|
* <entry morerows="2"><literallayout>background-color: #fff;
|
|
* color: &color1;
|
|
* background-color: shade (&color1, 0.5);
|
|
* color: mix (&color1, #f0f, 0.8);</literallayout>
|
|
* </entry>
|
|
* </row>
|
|
* <row>
|
|
* <entry>color</entry>
|
|
* </row>
|
|
* <row>
|
|
* <entry>border-color</entry>
|
|
* </row>
|
|
* <row>
|
|
* <entry>font</entry>
|
|
* <entry>@family [@style] [@size]</entry>
|
|
* <entry>#PangoFontDescription</entry>
|
|
* <entry>font: Sans 15;</entry>
|
|
* </row>
|
|
* <row>
|
|
* <entry>margin</entry>
|
|
* <entry morerows="1"><literallayout>@width
|
|
* @vertical_width @horizontal_width
|
|
* @top_width @horizontal_width @bottom_width
|
|
* @top_width @right_width @bottom_width @left_width</literallayout>
|
|
* </entry>
|
|
* <entry morerows="1">#GtkBorder</entry>
|
|
* <entry morerows="1"><literallayout>margin: 5;
|
|
* margin: 5 10;
|
|
* margin: 5 10 3;
|
|
* margin: 5 10 3 5;</literallayout>
|
|
* </entry>
|
|
* </row>
|
|
* <row>
|
|
* <entry>padding</entry>
|
|
* </row>
|
|
* <row>
|
|
* <entry>background-image</entry>
|
|
* <entry><literallayout>gradient (see above) or
|
|
* url(@path)</literallayout></entry>
|
|
* <entry>#cairo_pattern_t</entry>
|
|
* <entry><literallayout>-gtk-gradient (linear,
|
|
* left top, right top,
|
|
* from (#fff), to (#000));
|
|
* -gtk-gradient (linear, 0.0 0.5, 0.5 1.0,
|
|
* from (#fff),
|
|
* color-stop (0.5, #f00),
|
|
* to (#000));
|
|
* -gtk-gradient (radial,
|
|
* center center, 0.2,
|
|
* center center, 0.8,
|
|
* color-stop (0.0, #fff),
|
|
* color-stop (1.0, #000));
|
|
* url ('background.png');</literallayout>
|
|
* </entry>
|
|
* </row>
|
|
* <row>
|
|
* <entry>border-width</entry>
|
|
* <entry>integer</entry>
|
|
* <entry>#gint</entry>
|
|
* <entry>border-width: 5;</entry>
|
|
* </row>
|
|
* <row>
|
|
* <entry>border-radius</entry>
|
|
* <entry>integer</entry>
|
|
* <entry>#gint</entry>
|
|
* <entry>border-radius: 5;</entry>
|
|
* </row>
|
|
* <row>
|
|
* <entry>border-style</entry>
|
|
* <entry>[none|solid|inset|outset]</entry>
|
|
* <entry>#GtkBorderStyle</entry>
|
|
* <entry>border-style: solid;</entry>
|
|
* </row>
|
|
* <row>
|
|
* <entry>border-image</entry>
|
|
* <entry><literallayout>border image (see above)</literallayout></entry>
|
|
* <entry>internal use only</entry>
|
|
* <entry><literallayout>border-image: url("/path/to/image.png") 3 4 3 4 stretch;
|
|
* border-image: url("/path/to/image.png") 3 4 4 3 repeat stretch;</literallayout>
|
|
* </entry>
|
|
* </row>
|
|
* <row>
|
|
* <entry>transition</entry>
|
|
* <entry>transition (see above)</entry>
|
|
* <entry>internal use only</entry>
|
|
* <entry><literallayout>transition: 150ms ease-in-out;
|
|
* transition: 1s linear loop;</literallayout>
|
|
* </entry>
|
|
* </row>
|
|
* <row>
|
|
* <entry>gtk-key-bindings</entry>
|
|
* <entry>binding set name list</entry>
|
|
* <entry>internal use only</entry>
|
|
* <entry><literallayout>gtk-bindings: binding1, binding2, ...;</literallayout>
|
|
* </entry>
|
|
* </row>
|
|
* </tbody>
|
|
* </tgroup>
|
|
* </informaltable>
|
|
* <para>
|
|
* GtkThemingEngines can register their own, engine-specific style properties
|
|
* with the function gtk_theming_engine_register_property(). These properties
|
|
* can be set in CSS like other properties, using a name of the form
|
|
* <literallayout>-<replaceable>namespace</replaceable>-<replaceable>name</replaceable></literallayout>, where <replaceable>namespace</replaceable> is typically
|
|
* the name of the theming engine, and <replaceable>name</replaceable> is the
|
|
* name of the property. Style properties that have been registered by widgets
|
|
* using gtk_widget_class_install_style_property() can also be set in this
|
|
* way, using the widget class name for <replaceable>namespace</replaceable>.
|
|
* </para>
|
|
* <example>
|
|
* <title>Using engine-specific style properties</title>
|
|
* <programlisting>
|
|
* * {
|
|
* engine: clearlooks;
|
|
* border-radius: 4;
|
|
* -GtkPaned-handle-size: 6;
|
|
* -clearlooks-colorize-scrollbar: false;
|
|
* }
|
|
* </programlisting>
|
|
* </example>
|
|
* </refsect2>
|
|
*/
|
|
|
|
typedef struct SelectorElement SelectorElement;
|
|
typedef struct SelectorPath SelectorPath;
|
|
typedef struct SelectorStyleInfo SelectorStyleInfo;
|
|
typedef enum SelectorElementType SelectorElementType;
|
|
typedef enum CombinatorType CombinatorType;
|
|
typedef enum ParserScope ParserScope;
|
|
typedef enum ParserSymbol ParserSymbol;
|
|
|
|
enum SelectorElementType {
|
|
SELECTOR_TYPE_NAME,
|
|
SELECTOR_NAME,
|
|
SELECTOR_GTYPE,
|
|
SELECTOR_REGION,
|
|
SELECTOR_CLASS,
|
|
SELECTOR_GLOB
|
|
};
|
|
|
|
enum CombinatorType {
|
|
COMBINATOR_DESCENDANT, /* No direct relation needed */
|
|
COMBINATOR_CHILD /* Direct child */
|
|
};
|
|
|
|
struct SelectorElement
|
|
{
|
|
SelectorElementType elem_type;
|
|
CombinatorType combinator;
|
|
|
|
union
|
|
{
|
|
GQuark name;
|
|
GType type;
|
|
|
|
struct
|
|
{
|
|
GQuark name;
|
|
GtkRegionFlags flags;
|
|
} region;
|
|
};
|
|
};
|
|
|
|
struct SelectorPath
|
|
{
|
|
GSList *elements;
|
|
GtkStateFlags state;
|
|
guint ref_count;
|
|
};
|
|
|
|
struct SelectorStyleInfo
|
|
{
|
|
SelectorPath *path;
|
|
GHashTable *style;
|
|
};
|
|
|
|
struct _GtkCssProviderPrivate
|
|
{
|
|
GScanner *scanner;
|
|
gchar *filename;
|
|
|
|
const gchar *buffer;
|
|
const gchar *value_pos;
|
|
|
|
GHashTable *symbolic_colors;
|
|
|
|
GPtrArray *selectors_info;
|
|
|
|
/* Current parser state */
|
|
GSList *state;
|
|
GSList *cur_selectors;
|
|
GHashTable *cur_properties;
|
|
};
|
|
|
|
enum ParserScope {
|
|
SCOPE_SELECTOR,
|
|
SCOPE_PSEUDO_CLASS,
|
|
SCOPE_NTH_CHILD,
|
|
SCOPE_DECLARATION,
|
|
SCOPE_VALUE,
|
|
SCOPE_BINDING_SET
|
|
};
|
|
|
|
/* Extend GtkStateType, since these
|
|
* values are also used as symbols
|
|
*/
|
|
enum ParserSymbol {
|
|
/* Scope: pseudo-class */
|
|
SYMBOL_NTH_CHILD = GTK_STATE_FOCUSED + 1,
|
|
SYMBOL_FIRST_CHILD,
|
|
SYMBOL_LAST_CHILD,
|
|
SYMBOL_SORTED_CHILD,
|
|
|
|
/* Scope: nth-child */
|
|
SYMBOL_NTH_CHILD_EVEN,
|
|
SYMBOL_NTH_CHILD_ODD,
|
|
SYMBOL_NTH_CHILD_FIRST,
|
|
SYMBOL_NTH_CHILD_LAST
|
|
};
|
|
|
|
static void gtk_css_provider_finalize (GObject *object);
|
|
static void gtk_css_style_provider_iface_init (GtkStyleProviderIface *iface);
|
|
|
|
static void scanner_apply_scope (GScanner *scanner,
|
|
ParserScope scope);
|
|
static void css_provider_reset_parser (GtkCssProvider *css_provider);
|
|
static gboolean css_provider_parse_value (GtkCssProvider *css_provider,
|
|
const gchar *value_str,
|
|
GValue *value,
|
|
GError **error);
|
|
static gboolean gtk_css_provider_load_from_path_internal (GtkCssProvider *css_provider,
|
|
const gchar *path,
|
|
gboolean reset,
|
|
GError **error);
|
|
|
|
GQuark
|
|
gtk_css_provider_error_quark (void)
|
|
{
|
|
return g_quark_from_static_string ("gtk-css-provider-error-quark");
|
|
}
|
|
|
|
G_DEFINE_TYPE_EXTENDED (GtkCssProvider, gtk_css_provider, G_TYPE_OBJECT, 0,
|
|
G_IMPLEMENT_INTERFACE (GTK_TYPE_STYLE_PROVIDER,
|
|
gtk_css_style_provider_iface_init));
|
|
|
|
static void
|
|
gtk_css_provider_class_init (GtkCssProviderClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
|
|
object_class->finalize = gtk_css_provider_finalize;
|
|
|
|
g_type_class_add_private (object_class, sizeof (GtkCssProviderPrivate));
|
|
}
|
|
|
|
static SelectorPath *
|
|
selector_path_new (void)
|
|
{
|
|
SelectorPath *path;
|
|
|
|
path = g_slice_new0 (SelectorPath);
|
|
path->ref_count = 1;
|
|
|
|
return path;
|
|
}
|
|
|
|
static SelectorPath *
|
|
selector_path_ref (SelectorPath *path)
|
|
{
|
|
path->ref_count++;
|
|
return path;
|
|
}
|
|
|
|
static void
|
|
selector_path_unref (SelectorPath *path)
|
|
{
|
|
path->ref_count--;
|
|
|
|
if (path->ref_count > 0)
|
|
return;
|
|
|
|
while (path->elements)
|
|
{
|
|
g_slice_free (SelectorElement, path->elements->data);
|
|
path->elements = g_slist_delete_link (path->elements, path->elements);
|
|
}
|
|
|
|
g_slice_free (SelectorPath, path);
|
|
}
|
|
|
|
static void
|
|
selector_path_prepend_type (SelectorPath *path,
|
|
const gchar *type_name)
|
|
{
|
|
SelectorElement *elem;
|
|
GType type;
|
|
|
|
elem = g_slice_new (SelectorElement);
|
|
elem->combinator = COMBINATOR_DESCENDANT;
|
|
type = g_type_from_name (type_name);
|
|
|
|
if (type == G_TYPE_INVALID)
|
|
{
|
|
elem->elem_type = SELECTOR_TYPE_NAME;
|
|
elem->name = g_quark_from_string (type_name);
|
|
}
|
|
else
|
|
{
|
|
elem->elem_type = SELECTOR_GTYPE;
|
|
elem->type = type;
|
|
}
|
|
|
|
path->elements = g_slist_prepend (path->elements, elem);
|
|
}
|
|
|
|
static void
|
|
selector_path_prepend_glob (SelectorPath *path)
|
|
{
|
|
SelectorElement *elem;
|
|
|
|
elem = g_slice_new (SelectorElement);
|
|
elem->elem_type = SELECTOR_GLOB;
|
|
elem->combinator = COMBINATOR_DESCENDANT;
|
|
|
|
path->elements = g_slist_prepend (path->elements, elem);
|
|
}
|
|
|
|
static void
|
|
selector_path_prepend_region (SelectorPath *path,
|
|
const gchar *name,
|
|
GtkRegionFlags flags)
|
|
{
|
|
SelectorElement *elem;
|
|
|
|
elem = g_slice_new (SelectorElement);
|
|
elem->combinator = COMBINATOR_DESCENDANT;
|
|
elem->elem_type = SELECTOR_REGION;
|
|
|
|
elem->region.name = g_quark_from_string (name);
|
|
elem->region.flags = flags;
|
|
|
|
path->elements = g_slist_prepend (path->elements, elem);
|
|
}
|
|
|
|
static void
|
|
selector_path_prepend_name (SelectorPath *path,
|
|
const gchar *name)
|
|
{
|
|
SelectorElement *elem;
|
|
|
|
elem = g_slice_new (SelectorElement);
|
|
elem->combinator = COMBINATOR_DESCENDANT;
|
|
elem->elem_type = SELECTOR_NAME;
|
|
|
|
elem->name = g_quark_from_string (name);
|
|
|
|
path->elements = g_slist_prepend (path->elements, elem);
|
|
}
|
|
|
|
static void
|
|
selector_path_prepend_class (SelectorPath *path,
|
|
const gchar *name)
|
|
{
|
|
SelectorElement *elem;
|
|
|
|
elem = g_slice_new (SelectorElement);
|
|
elem->combinator = COMBINATOR_DESCENDANT;
|
|
elem->elem_type = SELECTOR_CLASS;
|
|
|
|
elem->name = g_quark_from_string (name);
|
|
|
|
path->elements = g_slist_prepend (path->elements, elem);
|
|
}
|
|
|
|
static void
|
|
selector_path_prepend_combinator (SelectorPath *path,
|
|
CombinatorType combinator)
|
|
{
|
|
SelectorElement *elem;
|
|
|
|
g_assert (path->elements != NULL);
|
|
|
|
/* It is actually stored in the last element */
|
|
elem = path->elements->data;
|
|
elem->combinator = combinator;
|
|
}
|
|
|
|
static gint
|
|
selector_path_depth (SelectorPath *path)
|
|
{
|
|
return g_slist_length (path->elements);
|
|
}
|
|
|
|
static SelectorStyleInfo *
|
|
selector_style_info_new (SelectorPath *path)
|
|
{
|
|
SelectorStyleInfo *info;
|
|
|
|
info = g_slice_new0 (SelectorStyleInfo);
|
|
info->path = selector_path_ref (path);
|
|
|
|
return info;
|
|
}
|
|
|
|
static void
|
|
selector_style_info_free (SelectorStyleInfo *info)
|
|
{
|
|
if (info->style)
|
|
g_hash_table_unref (info->style);
|
|
|
|
if (info->path)
|
|
selector_path_unref (info->path);
|
|
|
|
g_slice_free (SelectorStyleInfo, info);
|
|
}
|
|
|
|
static void
|
|
selector_style_info_set_style (SelectorStyleInfo *info,
|
|
GHashTable *style)
|
|
{
|
|
if (info->style)
|
|
g_hash_table_unref (info->style);
|
|
|
|
if (style)
|
|
info->style = g_hash_table_ref (style);
|
|
else
|
|
info->style = NULL;
|
|
}
|
|
|
|
static GScanner *
|
|
create_scanner (void)
|
|
{
|
|
GScanner *scanner;
|
|
|
|
scanner = g_scanner_new (NULL);
|
|
|
|
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "active", GUINT_TO_POINTER (GTK_STATE_ACTIVE));
|
|
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "prelight", GUINT_TO_POINTER (GTK_STATE_PRELIGHT));
|
|
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "hover", GUINT_TO_POINTER (GTK_STATE_PRELIGHT));
|
|
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "selected", GUINT_TO_POINTER (GTK_STATE_SELECTED));
|
|
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "insensitive", GUINT_TO_POINTER (GTK_STATE_INSENSITIVE));
|
|
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "inconsistent", GUINT_TO_POINTER (GTK_STATE_INCONSISTENT));
|
|
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "focused", GUINT_TO_POINTER (GTK_STATE_FOCUSED));
|
|
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "focus", GUINT_TO_POINTER (GTK_STATE_FOCUSED));
|
|
|
|
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "nth-child", GUINT_TO_POINTER (SYMBOL_NTH_CHILD));
|
|
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "first-child", GUINT_TO_POINTER (SYMBOL_FIRST_CHILD));
|
|
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "last-child", GUINT_TO_POINTER (SYMBOL_LAST_CHILD));
|
|
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "sorted", GUINT_TO_POINTER (SYMBOL_SORTED_CHILD));
|
|
|
|
g_scanner_scope_add_symbol (scanner, SCOPE_NTH_CHILD, "even", GUINT_TO_POINTER (SYMBOL_NTH_CHILD_EVEN));
|
|
g_scanner_scope_add_symbol (scanner, SCOPE_NTH_CHILD, "odd", GUINT_TO_POINTER (SYMBOL_NTH_CHILD_ODD));
|
|
g_scanner_scope_add_symbol (scanner, SCOPE_NTH_CHILD, "first", GUINT_TO_POINTER (SYMBOL_NTH_CHILD_FIRST));
|
|
g_scanner_scope_add_symbol (scanner, SCOPE_NTH_CHILD, "last", GUINT_TO_POINTER (SYMBOL_NTH_CHILD_LAST));
|
|
|
|
scanner_apply_scope (scanner, SCOPE_SELECTOR);
|
|
|
|
return scanner;
|
|
}
|
|
|
|
static void
|
|
gtk_css_provider_init (GtkCssProvider *css_provider)
|
|
{
|
|
GtkCssProviderPrivate *priv;
|
|
|
|
priv = css_provider->priv = G_TYPE_INSTANCE_GET_PRIVATE (css_provider,
|
|
GTK_TYPE_CSS_PROVIDER,
|
|
GtkCssProviderPrivate);
|
|
|
|
priv->selectors_info = g_ptr_array_new_with_free_func ((GDestroyNotify) selector_style_info_free);
|
|
priv->scanner = create_scanner ();
|
|
|
|
priv->symbolic_colors = g_hash_table_new_full (g_str_hash, g_str_equal,
|
|
(GDestroyNotify) g_free,
|
|
(GDestroyNotify) gtk_symbolic_color_unref);
|
|
}
|
|
|
|
typedef struct ComparePathData ComparePathData;
|
|
|
|
struct ComparePathData
|
|
{
|
|
guint64 score;
|
|
SelectorPath *path;
|
|
GSList *iter;
|
|
};
|
|
|
|
static gboolean
|
|
compare_selector_element (GtkWidgetPath *path,
|
|
guint index,
|
|
SelectorElement *elem,
|
|
guint8 *score)
|
|
{
|
|
*score = 0;
|
|
|
|
if (elem->elem_type == SELECTOR_TYPE_NAME)
|
|
{
|
|
const gchar *type_name;
|
|
GType resolved_type;
|
|
|
|
/* Resolve the type name */
|
|
type_name = g_quark_to_string (elem->name);
|
|
resolved_type = g_type_from_name (type_name);
|
|
|
|
if (resolved_type == G_TYPE_INVALID)
|
|
{
|
|
/* Type couldn't be resolved, so the selector
|
|
* clearly doesn't affect the given widget path
|
|
*/
|
|
return FALSE;
|
|
}
|
|
|
|
elem->elem_type = SELECTOR_GTYPE;
|
|
elem->type = resolved_type;
|
|
}
|
|
|
|
if (elem->elem_type == SELECTOR_GTYPE)
|
|
{
|
|
GType type;
|
|
|
|
type = gtk_widget_path_iter_get_object_type (path, index);
|
|
|
|
if (!g_type_is_a (type, elem->type))
|
|
return FALSE;
|
|
|
|
if (type == elem->type)
|
|
*score |= 0xF;
|
|
else
|
|
{
|
|
guint diff = g_type_depth (type) - g_type_depth (elem->type);
|
|
|
|
if (G_UNLIKELY (diff > 0xE))
|
|
{
|
|
g_warning ("Hierarchy is higher than expected.");
|
|
diff = 0xE;
|
|
}
|
|
|
|
*score = 0XF - diff;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
else if (elem->elem_type == SELECTOR_REGION)
|
|
{
|
|
GtkRegionFlags flags;
|
|
|
|
if (!gtk_widget_path_iter_has_qregion (path, index,
|
|
elem->region.name,
|
|
&flags))
|
|
return FALSE;
|
|
|
|
if (elem->region.flags != 0 &&
|
|
(flags & elem->region.flags) == 0)
|
|
return FALSE;
|
|
|
|
*score = 0xF;
|
|
return TRUE;
|
|
}
|
|
else if (elem->elem_type == SELECTOR_GLOB)
|
|
{
|
|
/* Treat as lowest matching type */
|
|
*score = 1;
|
|
return TRUE;
|
|
}
|
|
else if (elem->elem_type == SELECTOR_NAME)
|
|
{
|
|
if (!gtk_widget_path_iter_has_qname (path, index, elem->name))
|
|
return FALSE;
|
|
|
|
*score = 0xF;
|
|
return TRUE;
|
|
}
|
|
else if (elem->elem_type == SELECTOR_CLASS)
|
|
{
|
|
if (!gtk_widget_path_iter_has_qclass (path, index, elem->name))
|
|
return FALSE;
|
|
|
|
*score = 0xF;
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static guint64
|
|
compare_selector (GtkWidgetPath *path,
|
|
SelectorPath *selector)
|
|
{
|
|
GSList *elements = selector->elements;
|
|
gboolean match = TRUE, first = TRUE, first_match = FALSE;
|
|
guint64 score = 0;
|
|
gint i;
|
|
|
|
i = gtk_widget_path_length (path) - 1;
|
|
|
|
while (elements && match && i >= 0)
|
|
{
|
|
SelectorElement *elem;
|
|
guint8 elem_score;
|
|
|
|
elem = elements->data;
|
|
|
|
match = compare_selector_element (path, i, elem, &elem_score);
|
|
|
|
if (match && first)
|
|
first_match = TRUE;
|
|
|
|
/* Only move on to the next index if there is no match
|
|
* with the current element (whether to continue or not
|
|
* handled right after in the combinator check), or a
|
|
* GType or glob has just been matched.
|
|
*
|
|
* Region and widget names do not trigger this because
|
|
* the next element in the selector path could also be
|
|
* related to the same index.
|
|
*/
|
|
if (!match ||
|
|
(elem->elem_type == SELECTOR_GTYPE ||
|
|
elem->elem_type == SELECTOR_GLOB))
|
|
i--;
|
|
|
|
if (!match &&
|
|
elem->elem_type != SELECTOR_TYPE_NAME &&
|
|
elem->combinator == COMBINATOR_DESCENDANT)
|
|
{
|
|
/* With descendant combinators there may
|
|
* be intermediate chidren in the hierarchy
|
|
*/
|
|
match = TRUE;
|
|
}
|
|
else if (match)
|
|
elements = elements->next;
|
|
|
|
if (match)
|
|
{
|
|
/* Only 4 bits are actually used */
|
|
score <<= 4;
|
|
score |= elem_score;
|
|
}
|
|
|
|
first = FALSE;
|
|
}
|
|
|
|
/* If there are pending selector
|
|
* elements to compare, it's not
|
|
* a match.
|
|
*/
|
|
if (elements)
|
|
match = FALSE;
|
|
|
|
if (!match)
|
|
score = 0;
|
|
else if (first_match)
|
|
{
|
|
/* Assign more weight to these selectors
|
|
* that matched right from the first element.
|
|
*/
|
|
score <<= 4;
|
|
}
|
|
|
|
return score;
|
|
}
|
|
|
|
typedef struct StylePriorityInfo StylePriorityInfo;
|
|
|
|
struct StylePriorityInfo
|
|
{
|
|
guint64 score;
|
|
GHashTable *style;
|
|
GtkStateFlags state;
|
|
};
|
|
|
|
static GArray *
|
|
css_provider_get_selectors (GtkCssProvider *css_provider,
|
|
GtkWidgetPath *path)
|
|
{
|
|
GtkCssProviderPrivate *priv;
|
|
GArray *priority_info;
|
|
guint i, j;
|
|
|
|
priv = css_provider->priv;
|
|
priority_info = g_array_new (FALSE, FALSE, sizeof (StylePriorityInfo));
|
|
|
|
for (i = 0; i < priv->selectors_info->len; i++)
|
|
{
|
|
SelectorStyleInfo *info;
|
|
StylePriorityInfo new;
|
|
gboolean added = FALSE;
|
|
guint64 score;
|
|
|
|
info = g_ptr_array_index (priv->selectors_info, i);
|
|
score = compare_selector (path, info->path);
|
|
|
|
if (score <= 0)
|
|
continue;
|
|
|
|
new.score = score;
|
|
new.style = info->style;
|
|
new.state = info->path->state;
|
|
|
|
for (j = 0; j < priority_info->len; j++)
|
|
{
|
|
StylePriorityInfo *cur;
|
|
|
|
cur = &g_array_index (priority_info, StylePriorityInfo, j);
|
|
|
|
if (cur->score > new.score)
|
|
{
|
|
g_array_insert_val (priority_info, j, new);
|
|
added = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!added)
|
|
g_array_append_val (priority_info, new);
|
|
}
|
|
|
|
return priority_info;
|
|
}
|
|
|
|
static void
|
|
css_provider_dump_symbolic_colors (GtkCssProvider *css_provider,
|
|
GtkStyleProperties *props)
|
|
{
|
|
GtkCssProviderPrivate *priv;
|
|
GHashTableIter iter;
|
|
gpointer key, value;
|
|
|
|
priv = css_provider->priv;
|
|
g_hash_table_iter_init (&iter, priv->symbolic_colors);
|
|
|
|
while (g_hash_table_iter_next (&iter, &key, &value))
|
|
{
|
|
const gchar *name;
|
|
GtkSymbolicColor *color;
|
|
|
|
name = key;
|
|
color = value;
|
|
|
|
gtk_style_properties_map_color (props, name, color);
|
|
}
|
|
}
|
|
|
|
static GtkStyleProperties *
|
|
gtk_css_provider_get_style (GtkStyleProvider *provider,
|
|
GtkWidgetPath *path)
|
|
{
|
|
GtkCssProvider *css_provider;
|
|
GtkStyleProperties *props;
|
|
GArray *priority_info;
|
|
guint i;
|
|
|
|
css_provider = GTK_CSS_PROVIDER (provider);
|
|
props = gtk_style_properties_new ();
|
|
|
|
css_provider_dump_symbolic_colors (css_provider, props);
|
|
priority_info = css_provider_get_selectors (css_provider, path);
|
|
|
|
for (i = 0; i < priority_info->len; i++)
|
|
{
|
|
StylePriorityInfo *info;
|
|
GHashTableIter iter;
|
|
gpointer key, value;
|
|
|
|
info = &g_array_index (priority_info, StylePriorityInfo, i);
|
|
g_hash_table_iter_init (&iter, info->style);
|
|
|
|
while (g_hash_table_iter_next (&iter, &key, &value))
|
|
{
|
|
gchar *prop = key;
|
|
|
|
/* Properties starting with '-' may be both widget style properties
|
|
* or custom properties from the theming engine, so check whether
|
|
* the type is registered or not.
|
|
*/
|
|
if (prop[0] == '-' &&
|
|
!gtk_style_properties_lookup_property (prop, NULL, NULL))
|
|
continue;
|
|
|
|
gtk_style_properties_set_property (props, key, info->state, value);
|
|
}
|
|
}
|
|
|
|
g_array_free (priority_info, TRUE);
|
|
|
|
return props;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_css_provider_get_style_property (GtkStyleProvider *provider,
|
|
GtkWidgetPath *path,
|
|
GtkStateFlags state,
|
|
GParamSpec *pspec,
|
|
GValue *value)
|
|
{
|
|
GArray *priority_info;
|
|
gboolean found = FALSE;
|
|
gchar *prop_name;
|
|
gint i;
|
|
|
|
prop_name = g_strdup_printf ("-%s-%s",
|
|
g_type_name (pspec->owner_type),
|
|
pspec->name);
|
|
|
|
priority_info = css_provider_get_selectors (GTK_CSS_PROVIDER (provider), path);
|
|
|
|
for (i = priority_info->len - 1; i >= 0; i--)
|
|
{
|
|
StylePriorityInfo *info;
|
|
GValue *val;
|
|
|
|
info = &g_array_index (priority_info, StylePriorityInfo, i);
|
|
val = g_hash_table_lookup (info->style, prop_name);
|
|
|
|
if (val &&
|
|
(info->state == 0 ||
|
|
info->state == state ||
|
|
((info->state & state) != 0 &&
|
|
(info->state & ~(state)) == 0)))
|
|
{
|
|
const gchar *val_str;
|
|
|
|
val_str = g_value_get_string (val);
|
|
found = TRUE;
|
|
|
|
css_provider_parse_value (GTK_CSS_PROVIDER (provider), val_str, value, NULL);
|
|
break;
|
|
}
|
|
}
|
|
|
|
g_array_free (priority_info, TRUE);
|
|
g_free (prop_name);
|
|
|
|
return found;
|
|
}
|
|
|
|
static void
|
|
gtk_css_style_provider_iface_init (GtkStyleProviderIface *iface)
|
|
{
|
|
iface->get_style = gtk_css_provider_get_style;
|
|
iface->get_style_property = gtk_css_provider_get_style_property;
|
|
}
|
|
|
|
static void
|
|
gtk_css_provider_finalize (GObject *object)
|
|
{
|
|
GtkCssProvider *css_provider;
|
|
GtkCssProviderPrivate *priv;
|
|
|
|
css_provider = GTK_CSS_PROVIDER (object);
|
|
priv = css_provider->priv;
|
|
|
|
css_provider_reset_parser (css_provider);
|
|
|
|
g_scanner_destroy (priv->scanner);
|
|
g_free (priv->filename);
|
|
|
|
g_ptr_array_free (priv->selectors_info, TRUE);
|
|
|
|
g_slist_foreach (priv->cur_selectors, (GFunc) selector_path_unref, NULL);
|
|
g_slist_free (priv->cur_selectors);
|
|
|
|
if (priv->cur_properties)
|
|
g_hash_table_unref (priv->cur_properties);
|
|
if (priv->symbolic_colors)
|
|
g_hash_table_destroy (priv->symbolic_colors);
|
|
|
|
G_OBJECT_CLASS (gtk_css_provider_parent_class)->finalize (object);
|
|
}
|
|
|
|
/**
|
|
* gtk_css_provider_new:
|
|
*
|
|
* Returns a newly created #GtkCssProvider.
|
|
*
|
|
* Returns: A new #GtkCssProvider
|
|
**/
|
|
GtkCssProvider *
|
|
gtk_css_provider_new (void)
|
|
{
|
|
return g_object_new (GTK_TYPE_CSS_PROVIDER, NULL);
|
|
}
|
|
|
|
static void
|
|
property_value_free (GValue *value)
|
|
{
|
|
if (G_IS_VALUE (value))
|
|
g_value_unset (value);
|
|
|
|
g_slice_free (GValue, value);
|
|
}
|
|
|
|
static void
|
|
scanner_apply_scope (GScanner *scanner,
|
|
ParserScope scope)
|
|
{
|
|
g_scanner_set_scope (scanner, scope);
|
|
|
|
if (scope == SCOPE_VALUE)
|
|
{
|
|
scanner->config->cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z G_CSET_DIGITS "@#-_";
|
|
scanner->config->cset_identifier_nth = G_CSET_a_2_z G_CSET_A_2_Z G_CSET_DIGITS "@#-_ +(),.%\t\n'/\"";
|
|
scanner->config->scan_identifier_1char = TRUE;
|
|
}
|
|
else if (scope == SCOPE_BINDING_SET)
|
|
{
|
|
scanner->config->cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z G_CSET_DIGITS "@#-_";
|
|
scanner->config->cset_identifier_nth = G_CSET_a_2_z G_CSET_A_2_Z G_CSET_DIGITS "@#-_ +(){}<>,.%\t\n'/\"";
|
|
scanner->config->scan_identifier_1char = TRUE;
|
|
}
|
|
else if (scope == SCOPE_SELECTOR)
|
|
{
|
|
scanner->config->cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z "*@";
|
|
scanner->config->cset_identifier_nth = G_CSET_a_2_z G_CSET_A_2_Z G_CSET_DIGITS "-_#.";
|
|
scanner->config->scan_identifier_1char = TRUE;
|
|
}
|
|
else if (scope == SCOPE_PSEUDO_CLASS ||
|
|
scope == SCOPE_NTH_CHILD ||
|
|
scope == SCOPE_DECLARATION)
|
|
{
|
|
scanner->config->cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z "-_";
|
|
scanner->config->cset_identifier_nth = G_CSET_a_2_z G_CSET_A_2_Z G_CSET_DIGITS "-_";
|
|
scanner->config->scan_identifier_1char = FALSE;
|
|
}
|
|
else
|
|
g_assert_not_reached ();
|
|
|
|
scanner->config->scan_float = FALSE;
|
|
scanner->config->cpair_comment_single = NULL;
|
|
}
|
|
|
|
static void
|
|
css_provider_push_scope (GtkCssProvider *css_provider,
|
|
ParserScope scope)
|
|
{
|
|
GtkCssProviderPrivate *priv;
|
|
|
|
priv = css_provider->priv;
|
|
priv->state = g_slist_prepend (priv->state, GUINT_TO_POINTER (scope));
|
|
|
|
scanner_apply_scope (priv->scanner, scope);
|
|
}
|
|
|
|
static ParserScope
|
|
css_provider_pop_scope (GtkCssProvider *css_provider)
|
|
{
|
|
GtkCssProviderPrivate *priv;
|
|
ParserScope scope = SCOPE_SELECTOR;
|
|
|
|
priv = css_provider->priv;
|
|
|
|
if (!priv->state)
|
|
{
|
|
g_warning ("Push/pop calls to parser scope aren't paired");
|
|
scanner_apply_scope (priv->scanner, SCOPE_SELECTOR);
|
|
return SCOPE_SELECTOR;
|
|
}
|
|
|
|
priv->state = g_slist_delete_link (priv->state, priv->state);
|
|
|
|
/* Fetch new scope */
|
|
if (priv->state)
|
|
scope = GPOINTER_TO_INT (priv->state->data);
|
|
|
|
scanner_apply_scope (priv->scanner, scope);
|
|
|
|
return scope;
|
|
}
|
|
|
|
static void
|
|
css_provider_reset_parser (GtkCssProvider *css_provider)
|
|
{
|
|
GtkCssProviderPrivate *priv;
|
|
|
|
priv = css_provider->priv;
|
|
|
|
g_slist_free (priv->state);
|
|
priv->state = NULL;
|
|
|
|
scanner_apply_scope (priv->scanner, SCOPE_SELECTOR);
|
|
priv->scanner->user_data = NULL;
|
|
priv->value_pos = NULL;
|
|
|
|
g_slist_foreach (priv->cur_selectors, (GFunc) selector_path_unref, NULL);
|
|
g_slist_free (priv->cur_selectors);
|
|
priv->cur_selectors = NULL;
|
|
|
|
if (priv->cur_properties)
|
|
g_hash_table_unref (priv->cur_properties);
|
|
|
|
priv->cur_properties = g_hash_table_new_full (g_str_hash,
|
|
g_str_equal,
|
|
(GDestroyNotify) g_free,
|
|
(GDestroyNotify) property_value_free);
|
|
}
|
|
|
|
static void
|
|
css_provider_commit (GtkCssProvider *css_provider)
|
|
{
|
|
GtkCssProviderPrivate *priv;
|
|
GSList *l;
|
|
|
|
priv = css_provider->priv;
|
|
l = priv->cur_selectors;
|
|
|
|
while (l)
|
|
{
|
|
SelectorPath *path = l->data;
|
|
SelectorStyleInfo *info;
|
|
|
|
info = selector_style_info_new (path);
|
|
selector_style_info_set_style (info, priv->cur_properties);
|
|
|
|
g_ptr_array_add (priv->selectors_info, info);
|
|
l = l->next;
|
|
}
|
|
}
|
|
|
|
static GTokenType
|
|
parse_nth_child (GtkCssProvider *css_provider,
|
|
GScanner *scanner,
|
|
GtkRegionFlags *flags)
|
|
{
|
|
ParserSymbol symbol;
|
|
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token != G_TOKEN_SYMBOL)
|
|
return G_TOKEN_SYMBOL;
|
|
|
|
symbol = GPOINTER_TO_INT (scanner->value.v_symbol);
|
|
|
|
if (symbol == SYMBOL_NTH_CHILD)
|
|
{
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token != G_TOKEN_LEFT_PAREN)
|
|
return G_TOKEN_LEFT_PAREN;
|
|
|
|
css_provider_push_scope (css_provider, SCOPE_NTH_CHILD);
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token != G_TOKEN_SYMBOL)
|
|
return G_TOKEN_SYMBOL;
|
|
|
|
symbol = GPOINTER_TO_INT (scanner->value.v_symbol);
|
|
|
|
switch (symbol)
|
|
{
|
|
case SYMBOL_NTH_CHILD_EVEN:
|
|
*flags = GTK_REGION_EVEN;
|
|
break;
|
|
case SYMBOL_NTH_CHILD_ODD:
|
|
*flags = GTK_REGION_ODD;
|
|
break;
|
|
case SYMBOL_NTH_CHILD_FIRST:
|
|
*flags = GTK_REGION_FIRST;
|
|
break;
|
|
case SYMBOL_NTH_CHILD_LAST:
|
|
*flags = GTK_REGION_LAST;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token != G_TOKEN_RIGHT_PAREN)
|
|
return G_TOKEN_RIGHT_PAREN;
|
|
|
|
css_provider_pop_scope (css_provider);
|
|
}
|
|
else if (symbol == SYMBOL_FIRST_CHILD)
|
|
*flags = GTK_REGION_FIRST;
|
|
else if (symbol == SYMBOL_LAST_CHILD)
|
|
*flags = GTK_REGION_LAST;
|
|
else if (symbol == SYMBOL_SORTED_CHILD)
|
|
*flags = GTK_REGION_SORTED;
|
|
else
|
|
{
|
|
*flags = 0;
|
|
return G_TOKEN_SYMBOL;
|
|
}
|
|
|
|
return G_TOKEN_NONE;
|
|
}
|
|
|
|
static GTokenType
|
|
parse_pseudo_class (GtkCssProvider *css_provider,
|
|
GScanner *scanner,
|
|
SelectorPath *selector)
|
|
{
|
|
GtkStateType state;
|
|
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token != G_TOKEN_SYMBOL)
|
|
return G_TOKEN_SYMBOL;
|
|
|
|
state = GPOINTER_TO_INT (scanner->value.v_symbol);
|
|
|
|
switch (state)
|
|
{
|
|
case GTK_STATE_ACTIVE:
|
|
selector->state |= GTK_STATE_FLAG_ACTIVE;
|
|
break;
|
|
case GTK_STATE_PRELIGHT:
|
|
selector->state |= GTK_STATE_FLAG_PRELIGHT;
|
|
break;
|
|
case GTK_STATE_SELECTED:
|
|
selector->state |= GTK_STATE_FLAG_SELECTED;
|
|
break;
|
|
case GTK_STATE_INSENSITIVE:
|
|
selector->state |= GTK_STATE_FLAG_INSENSITIVE;
|
|
break;
|
|
case GTK_STATE_INCONSISTENT:
|
|
selector->state |= GTK_STATE_FLAG_INCONSISTENT;
|
|
break;
|
|
case GTK_STATE_FOCUSED:
|
|
selector->state |= GTK_STATE_FLAG_FOCUSED;
|
|
break;
|
|
default:
|
|
return G_TOKEN_SYMBOL;
|
|
}
|
|
|
|
return G_TOKEN_NONE;
|
|
}
|
|
|
|
/* Parses a number of concatenated classes */
|
|
static void
|
|
parse_classes (SelectorPath *path,
|
|
const gchar *str)
|
|
{
|
|
gchar *pos;
|
|
|
|
if ((pos = strchr (str, '.')) != NULL)
|
|
{
|
|
/* Leave the last class to the call after the loop */
|
|
while (pos)
|
|
{
|
|
*pos = '\0';
|
|
selector_path_prepend_class (path, str);
|
|
|
|
str = pos + 1;
|
|
pos = strchr (str, '.');
|
|
}
|
|
}
|
|
|
|
selector_path_prepend_class (path, str);
|
|
}
|
|
|
|
static gboolean
|
|
is_widget_class_name (const gchar *str)
|
|
{
|
|
/* Do a pretty lax check here, not all
|
|
* widget class names contain only CamelCase
|
|
* (gtkmm widgets don't), but at least part of
|
|
* the name will be CamelCase, so check for
|
|
* the first uppercase char
|
|
*/
|
|
while (*str)
|
|
{
|
|
if (g_ascii_isupper (*str))
|
|
return TRUE;
|
|
|
|
str++;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static GTokenType
|
|
parse_selector (GtkCssProvider *css_provider,
|
|
GScanner *scanner,
|
|
SelectorPath **selector_out)
|
|
{
|
|
SelectorPath *path;
|
|
|
|
path = selector_path_new ();
|
|
*selector_out = path;
|
|
|
|
if (scanner->token != ':' &&
|
|
scanner->token != '#' &&
|
|
scanner->token != '.' &&
|
|
scanner->token != G_TOKEN_IDENTIFIER)
|
|
return G_TOKEN_IDENTIFIER;
|
|
|
|
while (scanner->token == '#' ||
|
|
scanner->token == '.' ||
|
|
scanner->token == G_TOKEN_IDENTIFIER)
|
|
{
|
|
if (scanner->token == '#' ||
|
|
scanner->token == '.')
|
|
{
|
|
gboolean is_class;
|
|
gchar *pos;
|
|
|
|
is_class = (scanner->token == '.');
|
|
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token != G_TOKEN_IDENTIFIER)
|
|
return G_TOKEN_IDENTIFIER;
|
|
|
|
selector_path_prepend_glob (path);
|
|
selector_path_prepend_combinator (path, COMBINATOR_CHILD);
|
|
|
|
if (is_class)
|
|
parse_classes (path, scanner->value.v_identifier);
|
|
else
|
|
{
|
|
if ((pos = strchr (scanner->value.v_identifier, '.')) != NULL)
|
|
*pos = '\0';
|
|
|
|
selector_path_prepend_name (path, scanner->value.v_identifier);
|
|
|
|
/* Parse any remaining classes */
|
|
if (pos)
|
|
parse_classes (path, pos + 1);
|
|
}
|
|
}
|
|
else if (is_widget_class_name (scanner->value.v_identifier))
|
|
{
|
|
gchar *pos;
|
|
|
|
if ((pos = strchr (scanner->value.v_identifier, '#')) != NULL ||
|
|
(pos = strchr (scanner->value.v_identifier, '.')) != NULL)
|
|
{
|
|
gchar *type_name, *name;
|
|
gboolean is_class;
|
|
|
|
is_class = (*pos == '.');
|
|
|
|
/* Widget type and name/class put together */
|
|
name = pos + 1;
|
|
*pos = '\0';
|
|
type_name = scanner->value.v_identifier;
|
|
|
|
selector_path_prepend_type (path, type_name);
|
|
|
|
/* This is only so there is a direct relationship
|
|
* between widget type and its name.
|
|
*/
|
|
selector_path_prepend_combinator (path, COMBINATOR_CHILD);
|
|
|
|
if (is_class)
|
|
parse_classes (path, name);
|
|
else
|
|
{
|
|
if ((pos = strchr (name, '.')) != NULL)
|
|
*pos = '\0';
|
|
|
|
selector_path_prepend_name (path, name);
|
|
|
|
/* Parse any remaining classes */
|
|
if (pos)
|
|
parse_classes (path, pos + 1);
|
|
}
|
|
}
|
|
else
|
|
selector_path_prepend_type (path, scanner->value.v_identifier);
|
|
}
|
|
else if (_gtk_style_context_check_region_name (scanner->value.v_identifier))
|
|
{
|
|
GtkRegionFlags flags = 0;
|
|
gchar *region_name;
|
|
|
|
region_name = g_strdup (scanner->value.v_identifier);
|
|
|
|
if (g_scanner_peek_next_token (scanner) == ':')
|
|
{
|
|
ParserSymbol symbol;
|
|
|
|
g_scanner_get_next_token (scanner);
|
|
css_provider_push_scope (css_provider, SCOPE_PSEUDO_CLASS);
|
|
|
|
/* Check for the next token being nth-child, parse in that
|
|
* case, and fallback into common state parsing if not.
|
|
*/
|
|
if (g_scanner_peek_next_token (scanner) != G_TOKEN_SYMBOL)
|
|
return G_TOKEN_SYMBOL;
|
|
|
|
symbol = GPOINTER_TO_INT (scanner->next_value.v_symbol);
|
|
|
|
if (symbol == SYMBOL_FIRST_CHILD ||
|
|
symbol == SYMBOL_LAST_CHILD ||
|
|
symbol == SYMBOL_NTH_CHILD ||
|
|
symbol == SYMBOL_SORTED_CHILD)
|
|
{
|
|
GTokenType token;
|
|
|
|
if ((token = parse_nth_child (css_provider, scanner, &flags)) != G_TOKEN_NONE)
|
|
return token;
|
|
|
|
css_provider_pop_scope (css_provider);
|
|
}
|
|
else
|
|
{
|
|
css_provider_pop_scope (css_provider);
|
|
selector_path_prepend_region (path, region_name, 0);
|
|
g_free (region_name);
|
|
break;
|
|
}
|
|
}
|
|
|
|
selector_path_prepend_region (path, region_name, flags);
|
|
g_free (region_name);
|
|
}
|
|
else if (scanner->value.v_identifier[0] == '*')
|
|
selector_path_prepend_glob (path);
|
|
else
|
|
return G_TOKEN_IDENTIFIER;
|
|
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token == '>')
|
|
{
|
|
selector_path_prepend_combinator (path, COMBINATOR_CHILD);
|
|
g_scanner_get_next_token (scanner);
|
|
}
|
|
}
|
|
|
|
if (scanner->token == ':')
|
|
{
|
|
/* Add glob selector if path is empty */
|
|
if (selector_path_depth (path) == 0)
|
|
selector_path_prepend_glob (path);
|
|
|
|
css_provider_push_scope (css_provider, SCOPE_PSEUDO_CLASS);
|
|
|
|
while (scanner->token == ':')
|
|
{
|
|
GTokenType token;
|
|
|
|
if ((token = parse_pseudo_class (css_provider, scanner, path)) != G_TOKEN_NONE)
|
|
return token;
|
|
|
|
g_scanner_get_next_token (scanner);
|
|
}
|
|
|
|
css_provider_pop_scope (css_provider);
|
|
}
|
|
|
|
return G_TOKEN_NONE;
|
|
}
|
|
|
|
#define SKIP_SPACES(s) while (s[0] == ' ' || s[0] == '\t' || s[0] == '\n') s++;
|
|
#define SKIP_SPACES_BACK(s) while (s[0] == ' ' || s[0] == '\t' || s[0] == '\n') s--;
|
|
|
|
static GtkSymbolicColor *
|
|
symbolic_color_parse_str (const gchar *string,
|
|
gchar **end_ptr)
|
|
{
|
|
GtkSymbolicColor *symbolic_color = NULL;
|
|
gchar *str;
|
|
|
|
str = (gchar *) string;
|
|
*end_ptr = str;
|
|
|
|
if (str[0] == '@')
|
|
{
|
|
const gchar *end;
|
|
gchar *name;
|
|
|
|
str++;
|
|
end = str;
|
|
|
|
while (*end == '-' || *end == '_' || g_ascii_isalnum (*end))
|
|
end++;
|
|
|
|
name = g_strndup (str, end - str);
|
|
symbolic_color = gtk_symbolic_color_new_name (name);
|
|
g_free (name);
|
|
|
|
*end_ptr = (gchar *) end;
|
|
}
|
|
else if (g_str_has_prefix (str, "lighter") ||
|
|
g_str_has_prefix (str, "darker"))
|
|
{
|
|
GtkSymbolicColor *param_color;
|
|
gboolean is_lighter = FALSE;
|
|
|
|
is_lighter = g_str_has_prefix (str, "lighter");
|
|
|
|
if (is_lighter)
|
|
str += strlen ("lighter");
|
|
else
|
|
str += strlen ("darker");
|
|
|
|
SKIP_SPACES (str);
|
|
|
|
if (*str != '(')
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return NULL;
|
|
}
|
|
|
|
str++;
|
|
SKIP_SPACES (str);
|
|
param_color = symbolic_color_parse_str (str, end_ptr);
|
|
|
|
if (!param_color)
|
|
return NULL;
|
|
|
|
str = *end_ptr;
|
|
SKIP_SPACES (str);
|
|
*end_ptr = (gchar *) str;
|
|
|
|
if (*str != ')')
|
|
{
|
|
gtk_symbolic_color_unref (param_color);
|
|
return NULL;
|
|
}
|
|
|
|
if (is_lighter)
|
|
symbolic_color = gtk_symbolic_color_new_shade (param_color, 1.3);
|
|
else
|
|
symbolic_color = gtk_symbolic_color_new_shade (param_color, 0.7);
|
|
|
|
gtk_symbolic_color_unref (param_color);
|
|
(*end_ptr)++;
|
|
}
|
|
else if (g_str_has_prefix (str, "shade") ||
|
|
g_str_has_prefix (str, "alpha"))
|
|
{
|
|
GtkSymbolicColor *param_color;
|
|
gboolean is_shade = FALSE;
|
|
gdouble factor;
|
|
|
|
is_shade = g_str_has_prefix (str, "shade");
|
|
|
|
if (is_shade)
|
|
str += strlen ("shade");
|
|
else
|
|
str += strlen ("alpha");
|
|
|
|
SKIP_SPACES (str);
|
|
|
|
if (*str != '(')
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return NULL;
|
|
}
|
|
|
|
str++;
|
|
SKIP_SPACES (str);
|
|
param_color = symbolic_color_parse_str (str, end_ptr);
|
|
|
|
if (!param_color)
|
|
return NULL;
|
|
|
|
str = *end_ptr;
|
|
SKIP_SPACES (str);
|
|
|
|
if (str[0] != ',')
|
|
{
|
|
gtk_symbolic_color_unref (param_color);
|
|
*end_ptr = (gchar *) str;
|
|
return NULL;
|
|
}
|
|
|
|
str++;
|
|
SKIP_SPACES (str);
|
|
factor = g_ascii_strtod (str, end_ptr);
|
|
|
|
str = *end_ptr;
|
|
SKIP_SPACES (str);
|
|
*end_ptr = (gchar *) str;
|
|
|
|
if (str[0] != ')')
|
|
{
|
|
gtk_symbolic_color_unref (param_color);
|
|
return NULL;
|
|
}
|
|
|
|
if (is_shade)
|
|
symbolic_color = gtk_symbolic_color_new_shade (param_color, factor);
|
|
else
|
|
symbolic_color = gtk_symbolic_color_new_alpha (param_color, factor);
|
|
|
|
gtk_symbolic_color_unref (param_color);
|
|
(*end_ptr)++;
|
|
}
|
|
else if (g_str_has_prefix (str, "mix"))
|
|
{
|
|
GtkSymbolicColor *color1, *color2;
|
|
gdouble factor;
|
|
|
|
str += strlen ("mix");
|
|
SKIP_SPACES (str);
|
|
|
|
if (*str != '(')
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return NULL;
|
|
}
|
|
|
|
str++;
|
|
SKIP_SPACES (str);
|
|
color1 = symbolic_color_parse_str (str, end_ptr);
|
|
|
|
if (!color1)
|
|
return NULL;
|
|
|
|
str = *end_ptr;
|
|
SKIP_SPACES (str);
|
|
|
|
if (str[0] != ',')
|
|
{
|
|
gtk_symbolic_color_unref (color1);
|
|
*end_ptr = (gchar *) str;
|
|
return NULL;
|
|
}
|
|
|
|
str++;
|
|
SKIP_SPACES (str);
|
|
color2 = symbolic_color_parse_str (str, end_ptr);
|
|
|
|
if (!color2 || *end_ptr[0] != ',')
|
|
{
|
|
gtk_symbolic_color_unref (color1);
|
|
return NULL;
|
|
}
|
|
|
|
str = *end_ptr;
|
|
SKIP_SPACES (str);
|
|
|
|
if (str[0] != ',')
|
|
{
|
|
gtk_symbolic_color_unref (color1);
|
|
gtk_symbolic_color_unref (color2);
|
|
*end_ptr = (gchar *) str;
|
|
return NULL;
|
|
}
|
|
|
|
str++;
|
|
SKIP_SPACES (str);
|
|
factor = g_ascii_strtod (str, end_ptr);
|
|
|
|
str = *end_ptr;
|
|
SKIP_SPACES (str);
|
|
*end_ptr = (gchar *) str;
|
|
|
|
if (str[0] != ')')
|
|
{
|
|
gtk_symbolic_color_unref (color1);
|
|
gtk_symbolic_color_unref (color2);
|
|
return NULL;
|
|
}
|
|
|
|
symbolic_color = gtk_symbolic_color_new_mix (color1, color2, factor);
|
|
gtk_symbolic_color_unref (color1);
|
|
gtk_symbolic_color_unref (color2);
|
|
(*end_ptr)++;
|
|
}
|
|
else
|
|
{
|
|
GdkRGBA color;
|
|
gchar *color_str;
|
|
const gchar *end;
|
|
|
|
end = str + 1;
|
|
|
|
if (str[0] == '#')
|
|
{
|
|
/* Color in hex format */
|
|
while (g_ascii_isxdigit (*end))
|
|
end++;
|
|
}
|
|
else if (g_str_has_prefix (str, "rgb"))
|
|
{
|
|
/* color in rgb/rgba format */
|
|
while (*end != ')' && *end != '\0')
|
|
end++;
|
|
|
|
if (*end == ')')
|
|
end++;
|
|
}
|
|
else
|
|
{
|
|
/* Color name */
|
|
while (*end != '\0' &&
|
|
(g_ascii_isalnum (*end) || *end == ' '))
|
|
end++;
|
|
}
|
|
|
|
color_str = g_strndup (str, end - str);
|
|
*end_ptr = (gchar *) end;
|
|
|
|
if (!gdk_rgba_parse (&color, color_str))
|
|
{
|
|
g_free (color_str);
|
|
return NULL;
|
|
}
|
|
|
|
symbolic_color = gtk_symbolic_color_new_literal (&color);
|
|
g_free (color_str);
|
|
}
|
|
|
|
return symbolic_color;
|
|
}
|
|
|
|
static GtkSymbolicColor *
|
|
symbolic_color_parse (const gchar *str,
|
|
GError **error)
|
|
{
|
|
GtkSymbolicColor *color;
|
|
gchar *end;
|
|
|
|
color = symbolic_color_parse_str (str, &end);
|
|
|
|
if (*end != '\0')
|
|
{
|
|
g_set_error_literal (error,
|
|
GTK_CSS_PROVIDER_ERROR,
|
|
GTK_CSS_PROVIDER_ERROR_FAILED,
|
|
"Could not parse symbolic color");
|
|
|
|
if (color)
|
|
{
|
|
gtk_symbolic_color_unref (color);
|
|
color = NULL;
|
|
}
|
|
}
|
|
|
|
return color;
|
|
}
|
|
|
|
static GtkGradient *
|
|
gradient_parse_str (const gchar *str,
|
|
gchar **end_ptr)
|
|
{
|
|
GtkGradient *gradient = NULL;
|
|
gdouble coords[6];
|
|
gchar *end;
|
|
guint i;
|
|
|
|
if (g_str_has_prefix (str, "-gtk-gradient"))
|
|
{
|
|
cairo_pattern_type_t type;
|
|
|
|
str += strlen ("-gtk-gradient");
|
|
SKIP_SPACES (str);
|
|
|
|
if (*str != '(')
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return NULL;
|
|
}
|
|
|
|
str++;
|
|
SKIP_SPACES (str);
|
|
|
|
/* Parse gradient type */
|
|
if (g_str_has_prefix (str, "linear"))
|
|
{
|
|
type = CAIRO_PATTERN_TYPE_LINEAR;
|
|
str += strlen ("linear");
|
|
}
|
|
else if (g_str_has_prefix (str, "radial"))
|
|
{
|
|
type = CAIRO_PATTERN_TYPE_RADIAL;
|
|
str += strlen ("radial");
|
|
}
|
|
else
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return NULL;
|
|
}
|
|
|
|
SKIP_SPACES (str);
|
|
|
|
/* Parse start/stop position parameters */
|
|
for (i = 0; i < 2; i++)
|
|
{
|
|
if (*str != ',')
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return NULL;
|
|
}
|
|
|
|
str++;
|
|
SKIP_SPACES (str);
|
|
|
|
if (strncmp (str, "left", 4) == 0)
|
|
{
|
|
coords[i * 3] = 0;
|
|
str += strlen ("left");
|
|
}
|
|
else if (strncmp (str, "right", 5) == 0)
|
|
{
|
|
coords[i * 3] = 1;
|
|
str += strlen ("right");
|
|
}
|
|
else if (strncmp (str, "center", 6) == 0)
|
|
{
|
|
coords[i * 3] = 0.5;
|
|
str += strlen ("center");
|
|
}
|
|
else
|
|
{
|
|
coords[i * 3] = g_ascii_strtod (str, &end);
|
|
|
|
if (str == end)
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return NULL;
|
|
}
|
|
|
|
str = end;
|
|
}
|
|
|
|
SKIP_SPACES (str);
|
|
|
|
if (strncmp (str, "top", 3) == 0)
|
|
{
|
|
coords[(i * 3) + 1] = 0;
|
|
str += strlen ("top");
|
|
}
|
|
else if (strncmp (str, "bottom", 6) == 0)
|
|
{
|
|
coords[(i * 3) + 1] = 1;
|
|
str += strlen ("bottom");
|
|
}
|
|
else if (strncmp (str, "center", 6) == 0)
|
|
{
|
|
coords[(i * 3) + 1] = 0.5;
|
|
str += strlen ("center");
|
|
}
|
|
else
|
|
{
|
|
coords[(i * 3) + 1] = g_ascii_strtod (str, &end);
|
|
|
|
if (str == end)
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return NULL;
|
|
}
|
|
|
|
str = end;
|
|
}
|
|
|
|
SKIP_SPACES (str);
|
|
|
|
if (type == CAIRO_PATTERN_TYPE_RADIAL)
|
|
{
|
|
/* Parse radius */
|
|
if (*str != ',')
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return NULL;
|
|
}
|
|
|
|
str++;
|
|
SKIP_SPACES (str);
|
|
|
|
coords[(i * 3) + 2] = g_ascii_strtod (str, &end);
|
|
str = end;
|
|
|
|
SKIP_SPACES (str);
|
|
}
|
|
}
|
|
|
|
if (type == CAIRO_PATTERN_TYPE_LINEAR)
|
|
gradient = gtk_gradient_new_linear (coords[0], coords[1], coords[3], coords[4]);
|
|
else
|
|
gradient = gtk_gradient_new_radial (coords[0], coords[1], coords[2],
|
|
coords[3], coords[4], coords[5]);
|
|
|
|
while (*str == ',')
|
|
{
|
|
GtkSymbolicColor *color;
|
|
gdouble position;
|
|
|
|
if (*str != ',')
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return gradient;
|
|
}
|
|
|
|
str++;
|
|
SKIP_SPACES (str);
|
|
|
|
if (g_str_has_prefix (str, "from"))
|
|
{
|
|
position = 0;
|
|
str += strlen ("from");
|
|
SKIP_SPACES (str);
|
|
|
|
if (*str != '(')
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return gradient;
|
|
}
|
|
}
|
|
else if (g_str_has_prefix (str, "to"))
|
|
{
|
|
position = 1;
|
|
str += strlen ("to");
|
|
SKIP_SPACES (str);
|
|
|
|
if (*str != '(')
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return gradient;
|
|
}
|
|
}
|
|
else if (g_str_has_prefix (str, "color-stop"))
|
|
{
|
|
str += strlen ("color-stop");
|
|
SKIP_SPACES (str);
|
|
|
|
if (*str != '(')
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return gradient;
|
|
}
|
|
|
|
str++;
|
|
SKIP_SPACES (str);
|
|
|
|
position = g_ascii_strtod (str, &end);
|
|
|
|
str = end;
|
|
SKIP_SPACES (str);
|
|
|
|
if (*str != ',')
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return gradient;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return gradient;
|
|
}
|
|
|
|
str++;
|
|
SKIP_SPACES (str);
|
|
|
|
color = symbolic_color_parse_str (str, &end);
|
|
|
|
str = end;
|
|
SKIP_SPACES (str);
|
|
|
|
if (*str != ')')
|
|
{
|
|
if (color)
|
|
gtk_symbolic_color_unref (color);
|
|
*end_ptr = (gchar *) str;
|
|
return gradient;
|
|
}
|
|
|
|
str++;
|
|
SKIP_SPACES (str);
|
|
|
|
if (color)
|
|
{
|
|
gtk_gradient_add_color_stop (gradient, position, color);
|
|
gtk_symbolic_color_unref (color);
|
|
}
|
|
}
|
|
|
|
if (*str != ')')
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return gradient;
|
|
}
|
|
|
|
str++;
|
|
}
|
|
|
|
*end_ptr = (gchar *) str;
|
|
|
|
return gradient;
|
|
}
|
|
|
|
static gchar *
|
|
path_parse_str (GtkCssProvider *css_provider,
|
|
const gchar *str,
|
|
gchar **end_ptr,
|
|
GError **error)
|
|
{
|
|
gchar *path, *chr;
|
|
const gchar *start, *end;
|
|
start = str;
|
|
|
|
if (g_str_has_prefix (str, "url"))
|
|
{
|
|
str += strlen ("url");
|
|
SKIP_SPACES (str);
|
|
|
|
if (*str != '(')
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return NULL;
|
|
}
|
|
|
|
chr = strchr (str, ')');
|
|
if (!chr)
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return NULL;
|
|
}
|
|
|
|
end = chr + 1;
|
|
|
|
str++;
|
|
SKIP_SPACES (str);
|
|
|
|
if (*str == '"' || *str == '\'')
|
|
{
|
|
const gchar *p;
|
|
p = str;
|
|
str++;
|
|
|
|
chr--;
|
|
SKIP_SPACES_BACK (chr);
|
|
|
|
if (*chr != *p || chr == p)
|
|
{
|
|
*end_ptr = (gchar *)str;
|
|
return NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*end_ptr = (gchar *)str;
|
|
return NULL;
|
|
}
|
|
|
|
path = g_strndup (str, chr - str);
|
|
g_strstrip (path);
|
|
|
|
*end_ptr = (gchar *)end;
|
|
}
|
|
else
|
|
{
|
|
path = g_strdup (str);
|
|
*end_ptr = (gchar *)str + strlen (str);
|
|
}
|
|
|
|
/* Always return an absolute path */
|
|
if (!g_path_is_absolute (path))
|
|
{
|
|
GtkCssProviderPrivate *priv;
|
|
gchar *dirname, *full_path;
|
|
|
|
priv = css_provider->priv;
|
|
|
|
/* Use relative path to the current CSS file path, if any */
|
|
if (priv->filename)
|
|
dirname = g_path_get_dirname (priv->filename);
|
|
else
|
|
dirname = g_get_current_dir ();
|
|
|
|
full_path = g_build_filename (dirname, path, NULL);
|
|
g_free (path);
|
|
g_free (dirname);
|
|
|
|
path = full_path;
|
|
}
|
|
|
|
if (!g_file_test (path, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR))
|
|
{
|
|
g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_EXIST,
|
|
"File doesn't exist: %s", path);
|
|
g_free (path);
|
|
path = NULL;
|
|
*end_ptr = (gchar *)start;
|
|
}
|
|
|
|
return path;
|
|
}
|
|
|
|
static gchar *
|
|
path_parse (GtkCssProvider *css_provider,
|
|
const gchar *str,
|
|
GError **error)
|
|
{
|
|
gchar *path;
|
|
gchar *end;
|
|
|
|
path = path_parse_str (css_provider, str, &end, error);
|
|
|
|
if (!path)
|
|
return NULL;
|
|
|
|
if (*end != '\0')
|
|
{
|
|
g_set_error_literal (error,
|
|
GTK_CSS_PROVIDER_ERROR,
|
|
GTK_CSS_PROVIDER_ERROR_FAILED,
|
|
"Error parsing path");
|
|
g_free (path);
|
|
path = NULL;
|
|
}
|
|
|
|
return path;
|
|
}
|
|
|
|
static Gtk9Slice *
|
|
slice_parse_str (GtkCssProvider *css_provider,
|
|
const gchar *str,
|
|
gchar **end_ptr,
|
|
GError **error)
|
|
{
|
|
gdouble distance_top, distance_bottom;
|
|
gdouble distance_left, distance_right;
|
|
GtkSliceSideModifier mods[2];
|
|
GdkPixbuf *pixbuf;
|
|
Gtk9Slice *slice;
|
|
gchar *path;
|
|
gint i = 0;
|
|
|
|
SKIP_SPACES (str);
|
|
|
|
/* Parse image url */
|
|
path = path_parse_str (css_provider, str, end_ptr, error);
|
|
|
|
if (!path)
|
|
return NULL;
|
|
|
|
str = *end_ptr;
|
|
SKIP_SPACES (str);
|
|
|
|
/* Parse top/left/bottom/right distances */
|
|
distance_top = g_ascii_strtod (str, end_ptr);
|
|
|
|
str = *end_ptr;
|
|
SKIP_SPACES (str);
|
|
|
|
distance_right = g_ascii_strtod (str, end_ptr);
|
|
|
|
str = *end_ptr;
|
|
SKIP_SPACES (str);
|
|
|
|
distance_bottom = g_ascii_strtod (str, end_ptr);
|
|
|
|
str = *end_ptr;
|
|
SKIP_SPACES (str);
|
|
|
|
distance_left = g_ascii_strtod (str, end_ptr);
|
|
|
|
str = *end_ptr;
|
|
SKIP_SPACES (str);
|
|
|
|
while (*str && i < 2)
|
|
{
|
|
if (g_str_has_prefix (str, "stretch"))
|
|
{
|
|
str += strlen ("stretch");
|
|
mods[i] = GTK_SLICE_STRETCH;
|
|
}
|
|
else if (g_str_has_prefix (str, "repeat"))
|
|
{
|
|
str += strlen ("repeat");
|
|
mods[i] = GTK_SLICE_REPEAT;
|
|
}
|
|
else
|
|
{
|
|
g_free (path);
|
|
*end_ptr = (gchar *) str;
|
|
return NULL;
|
|
}
|
|
|
|
SKIP_SPACES (str);
|
|
i++;
|
|
}
|
|
|
|
*end_ptr = (gchar *) str;
|
|
|
|
if (*str != '\0')
|
|
{
|
|
g_free (path);
|
|
return NULL;
|
|
}
|
|
|
|
if (i != 2)
|
|
{
|
|
/* Fill in second modifier, same as the first */
|
|
mods[1] = mods[0];
|
|
}
|
|
|
|
pixbuf = gdk_pixbuf_new_from_file (path, error);
|
|
g_free (path);
|
|
|
|
if (!pixbuf)
|
|
{
|
|
*end_ptr = (gchar *) str;
|
|
return NULL;
|
|
}
|
|
|
|
slice = _gtk_9slice_new (pixbuf,
|
|
distance_top, distance_bottom,
|
|
distance_left, distance_right,
|
|
mods[0], mods[1]);
|
|
g_object_unref (pixbuf);
|
|
|
|
return slice;
|
|
}
|
|
|
|
static gdouble
|
|
unit_parse_str (const gchar *str,
|
|
gchar **end_str)
|
|
{
|
|
gdouble unit;
|
|
|
|
SKIP_SPACES (str);
|
|
unit = g_ascii_strtod (str, end_str);
|
|
str = *end_str;
|
|
|
|
/* Now parse the unit type, if any. We
|
|
* don't admit spaces between these.
|
|
*/
|
|
if (*str != ' ' && *str != '\0')
|
|
{
|
|
while (**end_str != ' ' && **end_str != '\0')
|
|
(*end_str)++;
|
|
|
|
/* Only handle pixels at the moment */
|
|
if (strncmp (str, "px", 2) != 0)
|
|
{
|
|
gchar *type;
|
|
|
|
type = g_strndup (str, *end_str - str);
|
|
g_warning ("Unknown unit '%s', only pixel units are "
|
|
"currently supported in CSS style", type);
|
|
g_free (type);
|
|
}
|
|
}
|
|
|
|
return unit;
|
|
}
|
|
|
|
static GtkBorder *
|
|
border_parse_str (const gchar *str,
|
|
gchar **end_str)
|
|
{
|
|
gdouble first, second, third, fourth;
|
|
GtkBorder *border;
|
|
|
|
border = gtk_border_new ();
|
|
|
|
SKIP_SPACES (str);
|
|
if (!g_ascii_isdigit (*str) && *str != '-')
|
|
return border;
|
|
|
|
first = unit_parse_str (str, end_str);
|
|
str = *end_str;
|
|
SKIP_SPACES (str);
|
|
|
|
if (!g_ascii_isdigit (*str) && *str != '-')
|
|
{
|
|
border->left = border->right = border->top = border->bottom = (gint) first;
|
|
*end_str = (gchar *) str;
|
|
return border;
|
|
}
|
|
|
|
second = unit_parse_str (str, end_str);
|
|
str = *end_str;
|
|
SKIP_SPACES (str);
|
|
|
|
if (!g_ascii_isdigit (*str) && *str != '-')
|
|
{
|
|
border->top = border->bottom = (gint) first;
|
|
border->left = border->right = (gint) second;
|
|
*end_str = (gchar *) str;
|
|
return border;
|
|
}
|
|
|
|
third = unit_parse_str (str, end_str);
|
|
str = *end_str;
|
|
SKIP_SPACES (str);
|
|
|
|
if (!g_ascii_isdigit (*str) && *str != '-')
|
|
{
|
|
border->top = (gint) first;
|
|
border->left = border->right = (gint) second;
|
|
border->bottom = (gint) third;
|
|
*end_str = (gchar *) str;
|
|
return border;
|
|
}
|
|
|
|
fourth = unit_parse_str (str, end_str);
|
|
|
|
border->top = (gint) first;
|
|
border->right = (gint) second;
|
|
border->bottom = (gint) third;
|
|
border->left = (gint) fourth;
|
|
|
|
return border;
|
|
}
|
|
|
|
static void
|
|
resolve_binding_sets (const gchar *value_str,
|
|
GValue *value)
|
|
{
|
|
GPtrArray *array;
|
|
gchar **bindings, **str;
|
|
|
|
bindings = g_strsplit (value_str, ",", -1);
|
|
array = g_ptr_array_new ();
|
|
|
|
for (str = bindings; *str; str++)
|
|
{
|
|
GtkBindingSet *binding_set;
|
|
|
|
binding_set = gtk_binding_set_find (g_strstrip (*str));
|
|
|
|
if (!binding_set)
|
|
continue;
|
|
|
|
g_ptr_array_add (array, binding_set);
|
|
}
|
|
|
|
g_value_take_boxed (value, array);
|
|
g_strfreev (bindings);
|
|
}
|
|
|
|
static gboolean
|
|
css_provider_parse_value (GtkCssProvider *css_provider,
|
|
const gchar *value_str,
|
|
GValue *value,
|
|
GError **error)
|
|
{
|
|
GtkCssProviderPrivate *priv;
|
|
GType type;
|
|
gboolean parsed = TRUE;
|
|
gchar *end = NULL;
|
|
|
|
priv = css_provider->priv;
|
|
type = G_VALUE_TYPE (value);
|
|
|
|
if (type == GDK_TYPE_RGBA ||
|
|
type == GDK_TYPE_COLOR)
|
|
{
|
|
GdkRGBA rgba;
|
|
GdkColor color;
|
|
|
|
if (type == GDK_TYPE_RGBA &&
|
|
gdk_rgba_parse (&rgba, value_str))
|
|
g_value_set_boxed (value, &rgba);
|
|
else if (type == GDK_TYPE_COLOR &&
|
|
gdk_color_parse (value_str, &color))
|
|
g_value_set_boxed (value, &color);
|
|
else
|
|
{
|
|
GtkSymbolicColor *symbolic_color;
|
|
|
|
symbolic_color = symbolic_color_parse_str (value_str, &end);
|
|
|
|
if (symbolic_color)
|
|
{
|
|
g_value_unset (value);
|
|
g_value_init (value, GTK_TYPE_SYMBOLIC_COLOR);
|
|
g_value_take_boxed (value, symbolic_color);
|
|
}
|
|
else
|
|
parsed = FALSE;
|
|
}
|
|
}
|
|
else if (type == PANGO_TYPE_FONT_DESCRIPTION)
|
|
{
|
|
PangoFontDescription *font_desc;
|
|
|
|
font_desc = pango_font_description_from_string (value_str);
|
|
g_value_take_boxed (value, font_desc);
|
|
}
|
|
else if (type == G_TYPE_BOOLEAN)
|
|
{
|
|
if (value_str[0] == '1' ||
|
|
g_ascii_strcasecmp (value_str, "true") == 0)
|
|
g_value_set_boolean (value, TRUE);
|
|
else
|
|
g_value_set_boolean (value, FALSE);
|
|
}
|
|
else if (type == G_TYPE_INT)
|
|
g_value_set_int (value, atoi (value_str));
|
|
else if (type == G_TYPE_UINT)
|
|
g_value_set_uint (value, (guint) atoi (value_str));
|
|
else if (type == G_TYPE_DOUBLE)
|
|
g_value_set_double (value, g_ascii_strtod (value_str, NULL));
|
|
else if (type == G_TYPE_FLOAT)
|
|
g_value_set_float (value, (gfloat) g_ascii_strtod (value_str, NULL));
|
|
else if (type == GTK_TYPE_THEMING_ENGINE)
|
|
{
|
|
GtkThemingEngine *engine;
|
|
|
|
engine = gtk_theming_engine_load (value_str);
|
|
if (engine)
|
|
g_value_set_object (value, engine);
|
|
else
|
|
parsed = FALSE;
|
|
}
|
|
else if (type == GTK_TYPE_ANIMATION_DESCRIPTION)
|
|
{
|
|
GtkAnimationDescription *desc;
|
|
|
|
desc = _gtk_animation_description_from_string (value_str);
|
|
|
|
if (desc)
|
|
g_value_take_boxed (value, desc);
|
|
else
|
|
parsed = FALSE;
|
|
}
|
|
else if (type == GTK_TYPE_BORDER)
|
|
{
|
|
GtkBorder *border;
|
|
|
|
border = border_parse_str (value_str, &end);
|
|
g_value_take_boxed (value, border);
|
|
}
|
|
else if (type == CAIRO_GOBJECT_TYPE_PATTERN)
|
|
{
|
|
GtkGradient *gradient;
|
|
|
|
gradient = gradient_parse_str (value_str, &end);
|
|
|
|
if (gradient)
|
|
{
|
|
g_value_unset (value);
|
|
g_value_init (value, GTK_TYPE_GRADIENT);
|
|
g_value_take_boxed (value, gradient);
|
|
}
|
|
else
|
|
{
|
|
gchar *path;
|
|
GdkPixbuf *pixbuf;
|
|
|
|
g_clear_error (error);
|
|
path = path_parse_str (css_provider, value_str, &end, error);
|
|
|
|
if (path)
|
|
{
|
|
pixbuf = gdk_pixbuf_new_from_file (path, NULL);
|
|
g_free (path);
|
|
|
|
if (pixbuf)
|
|
{
|
|
cairo_surface_t *surface;
|
|
cairo_pattern_t *pattern;
|
|
cairo_t *cr;
|
|
cairo_matrix_t matrix;
|
|
|
|
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
|
|
gdk_pixbuf_get_width (pixbuf),
|
|
gdk_pixbuf_get_height (pixbuf));
|
|
cr = cairo_create (surface);
|
|
gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
|
|
cairo_paint (cr);
|
|
pattern = cairo_pattern_create_for_surface (surface);
|
|
|
|
cairo_matrix_init_scale (&matrix,
|
|
gdk_pixbuf_get_width (pixbuf),
|
|
gdk_pixbuf_get_height (pixbuf));
|
|
cairo_pattern_set_matrix (pattern, &matrix);
|
|
|
|
cairo_surface_destroy (surface);
|
|
cairo_destroy (cr);
|
|
g_object_unref (pixbuf);
|
|
|
|
g_value_take_boxed (value, pattern);
|
|
}
|
|
else
|
|
parsed = FALSE;
|
|
}
|
|
else
|
|
parsed = FALSE;
|
|
}
|
|
}
|
|
else if (G_TYPE_IS_ENUM (type))
|
|
{
|
|
GEnumClass *enum_class;
|
|
GEnumValue *enum_value;
|
|
|
|
enum_class = g_type_class_ref (type);
|
|
enum_value = g_enum_get_value_by_nick (enum_class, value_str);
|
|
|
|
if (!enum_value)
|
|
{
|
|
g_set_error (error,
|
|
GTK_CSS_PROVIDER_ERROR,
|
|
GTK_CSS_PROVIDER_ERROR_FAILED,
|
|
"Unknown value '%s' for enum type '%s'",
|
|
value_str, g_type_name (type));
|
|
parsed = FALSE;
|
|
}
|
|
else
|
|
g_value_set_enum (value, enum_value->value);
|
|
|
|
g_type_class_unref (enum_class);
|
|
}
|
|
else if (G_TYPE_IS_FLAGS (type))
|
|
{
|
|
GFlagsClass *flags_class;
|
|
GFlagsValue *flag_value;
|
|
guint flags = 0;
|
|
gchar *ptr;
|
|
|
|
flags_class = g_type_class_ref (type);
|
|
|
|
/* Parse comma separated values */
|
|
ptr = strchr (value_str, ',');
|
|
|
|
while (ptr && parsed)
|
|
{
|
|
gchar *flag_str;
|
|
|
|
*ptr = '\0';
|
|
ptr++;
|
|
|
|
flag_str = (gchar *) value_str;
|
|
flag_value = g_flags_get_value_by_nick (flags_class,
|
|
g_strstrip (flag_str));
|
|
|
|
if (!flag_value)
|
|
{
|
|
g_set_error (error,
|
|
GTK_CSS_PROVIDER_ERROR,
|
|
GTK_CSS_PROVIDER_ERROR_FAILED,
|
|
"Unknown flag '%s' for type '%s'",
|
|
value_str, g_type_name (type));
|
|
parsed = FALSE;
|
|
}
|
|
else
|
|
flags |= flag_value->value;
|
|
|
|
value_str = ptr;
|
|
ptr = strchr (value_str, ',');
|
|
}
|
|
|
|
/* Store last/only value */
|
|
flag_value = g_flags_get_value_by_nick (flags_class, value_str);
|
|
|
|
if (!flag_value)
|
|
{
|
|
g_set_error (error,
|
|
GTK_CSS_PROVIDER_ERROR,
|
|
GTK_CSS_PROVIDER_ERROR_FAILED,
|
|
"Unknown flag '%s' for type '%s'",
|
|
value_str, g_type_name (type));
|
|
parsed = FALSE;
|
|
}
|
|
else
|
|
flags |= flag_value->value;
|
|
|
|
if (parsed)
|
|
g_value_set_enum (value, flags);
|
|
|
|
g_type_class_unref (flags_class);
|
|
}
|
|
else if (type == GTK_TYPE_9SLICE)
|
|
{
|
|
Gtk9Slice *slice;
|
|
|
|
slice = slice_parse_str (css_provider, value_str, &end, error);
|
|
|
|
if (slice)
|
|
g_value_take_boxed (value, slice);
|
|
else
|
|
parsed = FALSE;
|
|
}
|
|
else
|
|
{
|
|
g_set_error (error,
|
|
GTK_CSS_PROVIDER_ERROR,
|
|
GTK_CSS_PROVIDER_ERROR_FAILED,
|
|
"Cannot parse string '%s' for type %s",
|
|
value_str, g_type_name (type));
|
|
parsed = FALSE;
|
|
}
|
|
|
|
if (end)
|
|
SKIP_SPACES (end);
|
|
|
|
if (end && *end)
|
|
{
|
|
/* Set error position in the scanner
|
|
* according to what we've parsed so far
|
|
*/
|
|
priv->value_pos += (end - value_str);
|
|
parsed = FALSE;
|
|
|
|
if (error && !*error)
|
|
g_set_error_literal (error,
|
|
GTK_CSS_PROVIDER_ERROR,
|
|
GTK_CSS_PROVIDER_ERROR_FAILED,
|
|
"Failed to parse value");
|
|
}
|
|
|
|
return parsed;
|
|
}
|
|
|
|
static void
|
|
scanner_report_warning (GtkCssProvider *css_provider,
|
|
GTokenType expected_token,
|
|
GError *error)
|
|
{
|
|
GtkCssProviderPrivate *priv;
|
|
const gchar *line_end, *line_start;
|
|
const gchar *expected_str;
|
|
gchar buf[2], *line, *str;
|
|
guint pos;
|
|
|
|
priv = css_provider->priv;
|
|
|
|
if (error)
|
|
str = g_strdup (error->message);
|
|
else
|
|
{
|
|
if (priv->scanner->user_data)
|
|
expected_str = priv->scanner->user_data;
|
|
else
|
|
{
|
|
switch (expected_token)
|
|
{
|
|
case G_TOKEN_SYMBOL:
|
|
expected_str = "Symbol";
|
|
case G_TOKEN_IDENTIFIER:
|
|
expected_str = "Identifier";
|
|
default:
|
|
buf[0] = expected_token;
|
|
buf[1] = '\0';
|
|
expected_str = buf;
|
|
}
|
|
}
|
|
|
|
str = g_strdup_printf ("Parse error, expecting a %s '%s'",
|
|
(expected_str != buf) ? "valid" : "",
|
|
expected_str);
|
|
}
|
|
|
|
if (priv->value_pos)
|
|
line_start = priv->value_pos - 1;
|
|
else
|
|
line_start = priv->scanner->text - 1;
|
|
|
|
while (*line_start != '\n' &&
|
|
line_start != priv->buffer)
|
|
line_start--;
|
|
|
|
if (*line_start == '\n')
|
|
line_start++;
|
|
|
|
if (priv->value_pos)
|
|
pos = priv->value_pos - line_start + 1;
|
|
else
|
|
pos = priv->scanner->text - line_start - 1;
|
|
|
|
line_end = strchr (line_start, '\n');
|
|
|
|
if (line_end)
|
|
line = g_strndup (line_start, (line_end - line_start));
|
|
else
|
|
line = g_strdup (line_start);
|
|
|
|
g_message ("CSS: %s\n"
|
|
"%s, line %d, char %d:\n"
|
|
"%*c %s\n"
|
|
"%*c ^",
|
|
str, priv->scanner->input_name,
|
|
priv->scanner->line, priv->scanner->position,
|
|
3, ' ', line,
|
|
3 + pos, ' ');
|
|
|
|
g_free (line);
|
|
g_free (str);
|
|
}
|
|
|
|
static GTokenType
|
|
parse_rule (GtkCssProvider *css_provider,
|
|
GScanner *scanner,
|
|
GError **error)
|
|
{
|
|
GtkCssProviderPrivate *priv;
|
|
GTokenType expected_token;
|
|
SelectorPath *selector;
|
|
|
|
priv = css_provider->priv;
|
|
|
|
css_provider_push_scope (css_provider, SCOPE_SELECTOR);
|
|
|
|
/* Handle directives */
|
|
if (scanner->token == G_TOKEN_IDENTIFIER &&
|
|
scanner->value.v_identifier[0] == '@')
|
|
{
|
|
gchar *directive;
|
|
|
|
directive = &scanner->value.v_identifier[1];
|
|
|
|
if (strcmp (directive, "define-color") == 0)
|
|
{
|
|
GtkSymbolicColor *color;
|
|
gchar *color_name, *color_str;
|
|
|
|
/* Directive is a color mapping */
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token != G_TOKEN_IDENTIFIER)
|
|
{
|
|
scanner->user_data = "Color name";
|
|
return G_TOKEN_IDENTIFIER;
|
|
}
|
|
|
|
color_name = g_strdup (scanner->value.v_identifier);
|
|
css_provider_push_scope (css_provider, SCOPE_VALUE);
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token != G_TOKEN_IDENTIFIER)
|
|
{
|
|
scanner->user_data = "Color definition";
|
|
return G_TOKEN_IDENTIFIER;
|
|
}
|
|
|
|
color_str = g_strstrip (scanner->value.v_identifier);
|
|
color = symbolic_color_parse (color_str, error);
|
|
|
|
if (!color)
|
|
{
|
|
scanner->user_data = "Color definition";
|
|
return G_TOKEN_IDENTIFIER;
|
|
}
|
|
|
|
g_hash_table_insert (priv->symbolic_colors, color_name, color);
|
|
|
|
css_provider_pop_scope (css_provider);
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token != ';')
|
|
return ';';
|
|
|
|
return G_TOKEN_NONE;
|
|
}
|
|
else if (strcmp (directive, "import") == 0)
|
|
{
|
|
GScanner *scanner_backup;
|
|
GSList *state_backup;
|
|
gboolean loaded;
|
|
gchar *path = NULL;
|
|
|
|
css_provider_push_scope (css_provider, SCOPE_VALUE);
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token == G_TOKEN_IDENTIFIER &&
|
|
g_str_has_prefix (scanner->value.v_identifier, "url"))
|
|
path = path_parse (css_provider,
|
|
g_strstrip (scanner->value.v_identifier),
|
|
error);
|
|
else if (scanner->token == G_TOKEN_STRING)
|
|
path = path_parse (css_provider,
|
|
g_strstrip (scanner->value.v_string),
|
|
error);
|
|
|
|
if (path == NULL)
|
|
{
|
|
scanner->user_data = "File URL";
|
|
return G_TOKEN_IDENTIFIER;
|
|
}
|
|
|
|
css_provider_pop_scope (css_provider);
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token != ';')
|
|
{
|
|
g_free (path);
|
|
return ';';
|
|
}
|
|
|
|
/* Snapshot current parser state and scanner in order to restore after importing */
|
|
state_backup = priv->state;
|
|
scanner_backup = priv->scanner;
|
|
|
|
priv->state = NULL;
|
|
priv->scanner = create_scanner ();
|
|
|
|
/* FIXME: Avoid recursive importing */
|
|
loaded = gtk_css_provider_load_from_path_internal (css_provider, path,
|
|
FALSE, error);
|
|
|
|
/* Restore previous state */
|
|
css_provider_reset_parser (css_provider);
|
|
priv->state = state_backup;
|
|
g_scanner_destroy (priv->scanner);
|
|
priv->scanner = scanner_backup;
|
|
|
|
g_free (path);
|
|
|
|
if (!loaded)
|
|
{
|
|
scanner->user_data = "File URL";
|
|
return G_TOKEN_IDENTIFIER;
|
|
}
|
|
else
|
|
return G_TOKEN_NONE;
|
|
}
|
|
else if (strcmp (directive, "binding-set") == 0)
|
|
{
|
|
GtkBindingSet *binding_set;
|
|
gchar *binding_set_name;
|
|
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token != G_TOKEN_IDENTIFIER)
|
|
{
|
|
scanner->user_data = "Binding name";
|
|
return G_TOKEN_IDENTIFIER;
|
|
}
|
|
|
|
binding_set_name = scanner->value.v_identifier;
|
|
binding_set = gtk_binding_set_find (binding_set_name);
|
|
|
|
if (!binding_set)
|
|
{
|
|
binding_set = gtk_binding_set_new (binding_set_name);
|
|
binding_set->parsed = TRUE;
|
|
}
|
|
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token != G_TOKEN_LEFT_CURLY)
|
|
return G_TOKEN_LEFT_CURLY;
|
|
|
|
css_provider_push_scope (css_provider, SCOPE_BINDING_SET);
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
do
|
|
{
|
|
GTokenType ret;
|
|
|
|
if (scanner->token != G_TOKEN_IDENTIFIER)
|
|
{
|
|
scanner->user_data = "Binding definition";
|
|
return G_TOKEN_IDENTIFIER;
|
|
}
|
|
|
|
ret = gtk_binding_entry_add_signal_from_string (binding_set,
|
|
scanner->value.v_identifier);
|
|
if (ret != G_TOKEN_NONE)
|
|
{
|
|
scanner->user_data = "Binding definition";
|
|
return ret;
|
|
}
|
|
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token != ';')
|
|
return ';';
|
|
|
|
g_scanner_get_next_token (scanner);
|
|
}
|
|
while (scanner->token != G_TOKEN_RIGHT_CURLY);
|
|
|
|
css_provider_pop_scope (css_provider);
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
return G_TOKEN_NONE;
|
|
}
|
|
else
|
|
{
|
|
scanner->user_data = "Directive";
|
|
return G_TOKEN_IDENTIFIER;
|
|
}
|
|
}
|
|
|
|
expected_token = parse_selector (css_provider, scanner, &selector);
|
|
|
|
if (expected_token != G_TOKEN_NONE)
|
|
{
|
|
selector_path_unref (selector);
|
|
scanner->user_data = "Selector";
|
|
return expected_token;
|
|
}
|
|
|
|
priv->cur_selectors = g_slist_prepend (priv->cur_selectors, selector);
|
|
|
|
while (scanner->token == ',')
|
|
{
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
expected_token = parse_selector (css_provider, scanner, &selector);
|
|
|
|
if (expected_token != G_TOKEN_NONE)
|
|
{
|
|
selector_path_unref (selector);
|
|
scanner->user_data = "Selector";
|
|
return expected_token;
|
|
}
|
|
|
|
priv->cur_selectors = g_slist_prepend (priv->cur_selectors, selector);
|
|
}
|
|
|
|
css_provider_pop_scope (css_provider);
|
|
|
|
if (scanner->token != G_TOKEN_LEFT_CURLY)
|
|
return G_TOKEN_LEFT_CURLY;
|
|
|
|
/* Declarations parsing */
|
|
css_provider_push_scope (css_provider, SCOPE_DECLARATION);
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
while (scanner->token == G_TOKEN_IDENTIFIER)
|
|
{
|
|
gchar *value_str = NULL;
|
|
GtkStylePropertyParser parse_func = NULL;
|
|
GParamSpec *pspec;
|
|
gchar *prop;
|
|
|
|
prop = g_strdup (scanner->value.v_identifier);
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token != ':')
|
|
{
|
|
g_free (prop);
|
|
return ':';
|
|
}
|
|
|
|
priv->value_pos = priv->scanner->text;
|
|
|
|
css_provider_push_scope (css_provider, SCOPE_VALUE);
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token != G_TOKEN_IDENTIFIER)
|
|
{
|
|
g_free (prop);
|
|
scanner->user_data = "Property value";
|
|
return G_TOKEN_IDENTIFIER;
|
|
}
|
|
|
|
value_str = scanner->value.v_identifier;
|
|
SKIP_SPACES (value_str);
|
|
g_strchomp (value_str);
|
|
|
|
if (gtk_style_properties_lookup_property (prop, &parse_func, &pspec))
|
|
{
|
|
GValue *val;
|
|
|
|
val = g_slice_new0 (GValue);
|
|
g_value_init (val, pspec->value_type);
|
|
|
|
if (strcmp (value_str, "none") == 0)
|
|
{
|
|
/* Insert the default value, so it has an opportunity
|
|
* to override other style providers when merged
|
|
*/
|
|
g_param_value_set_default (pspec, val);
|
|
g_hash_table_insert (priv->cur_properties, prop, val);
|
|
}
|
|
else if (strcmp (prop, "gtk-key-bindings") == 0)
|
|
{
|
|
/* Private property holding the binding sets */
|
|
resolve_binding_sets (value_str, val);
|
|
g_hash_table_insert (priv->cur_properties, prop, val);
|
|
}
|
|
else if (pspec->value_type == G_TYPE_STRING)
|
|
{
|
|
g_value_set_string (val, value_str);
|
|
g_hash_table_insert (priv->cur_properties, prop, val);
|
|
}
|
|
else if ((parse_func && (parse_func) (value_str, val, error)) ||
|
|
(!parse_func && css_provider_parse_value (css_provider, value_str, val, error)))
|
|
g_hash_table_insert (priv->cur_properties, prop, val);
|
|
else
|
|
{
|
|
g_value_unset (val);
|
|
g_slice_free (GValue, val);
|
|
g_free (prop);
|
|
|
|
scanner->user_data = "Property value";
|
|
return G_TOKEN_IDENTIFIER;
|
|
}
|
|
}
|
|
else if (prop[0] == '-')
|
|
{
|
|
GValue *val;
|
|
|
|
val = g_slice_new0 (GValue);
|
|
g_value_init (val, G_TYPE_STRING);
|
|
g_value_set_string (val, value_str);
|
|
|
|
g_hash_table_insert (priv->cur_properties, prop, val);
|
|
}
|
|
else
|
|
g_free (prop);
|
|
|
|
css_provider_pop_scope (css_provider);
|
|
g_scanner_get_next_token (scanner);
|
|
|
|
if (scanner->token != ';')
|
|
break;
|
|
|
|
g_scanner_get_next_token (scanner);
|
|
}
|
|
|
|
if (scanner->token != G_TOKEN_RIGHT_CURLY)
|
|
return G_TOKEN_RIGHT_CURLY;
|
|
|
|
css_provider_pop_scope (css_provider);
|
|
|
|
return G_TOKEN_NONE;
|
|
}
|
|
|
|
static gboolean
|
|
parse_stylesheet (GtkCssProvider *css_provider,
|
|
GError **error)
|
|
{
|
|
GtkCssProviderPrivate *priv;
|
|
gboolean result;
|
|
|
|
result = TRUE;
|
|
|
|
priv = css_provider->priv;
|
|
g_scanner_get_next_token (priv->scanner);
|
|
|
|
while (!g_scanner_eof (priv->scanner))
|
|
{
|
|
GTokenType expected_token;
|
|
GError *err = NULL;
|
|
|
|
css_provider_reset_parser (css_provider);
|
|
expected_token = parse_rule (css_provider, priv->scanner, &err);
|
|
|
|
if (expected_token != G_TOKEN_NONE)
|
|
{
|
|
/* If a GError was passed in, propagate the error and bail out,
|
|
* else report a warning and keep going
|
|
*/
|
|
if (error != NULL)
|
|
{
|
|
result = FALSE;
|
|
if (err)
|
|
g_propagate_error (error, err);
|
|
else
|
|
g_set_error_literal (error,
|
|
GTK_CSS_PROVIDER_ERROR,
|
|
GTK_CSS_PROVIDER_ERROR_FAILED,
|
|
"Error parsing stylesheet");
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
scanner_report_warning (css_provider, expected_token, err);
|
|
g_clear_error (&err);
|
|
}
|
|
|
|
css_provider_reset_parser (css_provider);
|
|
|
|
while (!g_scanner_eof (priv->scanner) &&
|
|
priv->scanner->token != G_TOKEN_RIGHT_CURLY)
|
|
g_scanner_get_next_token (priv->scanner);
|
|
}
|
|
else
|
|
css_provider_commit (css_provider);
|
|
|
|
g_scanner_get_next_token (priv->scanner);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* gtk_css_provider_load_from_data:
|
|
* @css_provider: a #GtkCssProvider
|
|
* @data: CSS data loaded in memory
|
|
* @length: the length of @data in bytes, or -1 for NUL terminated strings
|
|
* @error: (out) (allow-none): return location for a #GError, or %NULL
|
|
*
|
|
* Loads @data into @css_provider, making it clear any previously loaded
|
|
* information.
|
|
*
|
|
* Returns: %TRUE if the data could be loaded.
|
|
**/
|
|
gboolean
|
|
gtk_css_provider_load_from_data (GtkCssProvider *css_provider,
|
|
const gchar *data,
|
|
gssize length,
|
|
GError **error)
|
|
{
|
|
GtkCssProviderPrivate *priv;
|
|
|
|
g_return_val_if_fail (GTK_IS_CSS_PROVIDER (css_provider), FALSE);
|
|
g_return_val_if_fail (data != NULL, FALSE);
|
|
|
|
priv = css_provider->priv;
|
|
|
|
if (length < 0)
|
|
length = strlen (data);
|
|
|
|
if (priv->selectors_info->len > 0)
|
|
g_ptr_array_remove_range (priv->selectors_info, 0, priv->selectors_info->len);
|
|
|
|
priv->scanner->input_name = "-";
|
|
priv->buffer = data;
|
|
g_scanner_input_text (priv->scanner, data, (guint) length);
|
|
|
|
g_free (priv->filename);
|
|
priv->filename = NULL;
|
|
priv->buffer = NULL;
|
|
|
|
return parse_stylesheet (css_provider, error);
|
|
}
|
|
|
|
/**
|
|
* gtk_css_provider_load_from_file:
|
|
* @css_provider: a #GtkCssProvider
|
|
* @file: #GFile pointing to a file to load
|
|
* @error: (out) (allow-none): return location for a #GError, or %NULL
|
|
*
|
|
* Loads the data contained in @file into @css_provider, making it
|
|
* clear any previously loaded information.
|
|
*
|
|
* Returns: %TRUE if the data could be loaded.
|
|
**/
|
|
gboolean
|
|
gtk_css_provider_load_from_file (GtkCssProvider *css_provider,
|
|
GFile *file,
|
|
GError **error)
|
|
{
|
|
GtkCssProviderPrivate *priv;
|
|
GError *internal_error = NULL;
|
|
gchar *data;
|
|
gsize length;
|
|
gboolean ret;
|
|
|
|
g_return_val_if_fail (GTK_IS_CSS_PROVIDER (css_provider), FALSE);
|
|
g_return_val_if_fail (G_IS_FILE (file), FALSE);
|
|
|
|
priv = css_provider->priv;
|
|
|
|
if (!g_file_load_contents (file, NULL,
|
|
&data, &length,
|
|
NULL, &internal_error))
|
|
{
|
|
g_propagate_error (error, internal_error);
|
|
return FALSE;
|
|
}
|
|
|
|
if (priv->selectors_info->len > 0)
|
|
g_ptr_array_remove_range (priv->selectors_info, 0, priv->selectors_info->len);
|
|
|
|
g_free (priv->filename);
|
|
priv->filename = g_file_get_path (file);
|
|
|
|
priv->scanner->input_name = priv->filename;
|
|
priv->buffer = data;
|
|
g_scanner_input_text (priv->scanner, data, (guint) length);
|
|
|
|
ret = parse_stylesheet (css_provider, error);
|
|
|
|
priv->buffer = NULL;
|
|
g_free (data);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_css_provider_load_from_path_internal (GtkCssProvider *css_provider,
|
|
const gchar *path,
|
|
gboolean reset,
|
|
GError **error)
|
|
{
|
|
GtkCssProviderPrivate *priv;
|
|
GError *internal_error = NULL;
|
|
GMappedFile *mapped_file;
|
|
const gchar *data;
|
|
gsize length;
|
|
gboolean ret;
|
|
|
|
priv = css_provider->priv;
|
|
|
|
mapped_file = g_mapped_file_new (path, FALSE, &internal_error);
|
|
|
|
if (internal_error)
|
|
{
|
|
g_propagate_error (error, internal_error);
|
|
return FALSE;
|
|
}
|
|
|
|
length = g_mapped_file_get_length (mapped_file);
|
|
data = g_mapped_file_get_contents (mapped_file);
|
|
|
|
if (!data)
|
|
data = "";
|
|
|
|
if (reset)
|
|
{
|
|
if (priv->selectors_info->len > 0)
|
|
g_ptr_array_remove_range (priv->selectors_info, 0, priv->selectors_info->len);
|
|
|
|
g_free (priv->filename);
|
|
priv->filename = g_strdup (path);
|
|
}
|
|
|
|
priv->scanner->input_name = priv->filename;
|
|
priv->buffer = data;
|
|
g_scanner_input_text (priv->scanner, data, (guint) length);
|
|
|
|
ret = parse_stylesheet (css_provider, error);
|
|
|
|
priv->buffer = NULL;
|
|
g_mapped_file_unref (mapped_file);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* gtk_css_provider_load_from_path:
|
|
* @css_provider: a #GtkCssProvider
|
|
* @path: the path of a filename to load, in the GLib filename encoding
|
|
* @error: (out) (allow-none): return location for a #GError, or %NULL
|
|
*
|
|
* Loads the data contained in @path into @css_provider, making it clear
|
|
* any previously loaded information.
|
|
*
|
|
* Returns: %TRUE if the data could be loaded.
|
|
**/
|
|
gboolean
|
|
gtk_css_provider_load_from_path (GtkCssProvider *css_provider,
|
|
const gchar *path,
|
|
GError **error)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_CSS_PROVIDER (css_provider), FALSE);
|
|
g_return_val_if_fail (path != NULL, FALSE);
|
|
|
|
return gtk_css_provider_load_from_path_internal (css_provider, path,
|
|
TRUE, error);
|
|
}
|
|
|
|
/**
|
|
* gtk_css_provider_get_default:
|
|
*
|
|
* Returns the provider containing the style settings used as a
|
|
* fallback for all widgets.
|
|
*
|
|
* Returns: (transfer none): The provider used for fallback styling.
|
|
* This memory is owned by GTK+, and you must not free it.
|
|
**/
|
|
GtkCssProvider *
|
|
gtk_css_provider_get_default (void)
|
|
{
|
|
static GtkCssProvider *provider;
|
|
|
|
if (G_UNLIKELY (!provider))
|
|
{
|
|
const gchar *str =
|
|
"@define-color fg_color #000; \n"
|
|
"@define-color bg_color #dcdad5; \n"
|
|
"@define-color text_color #000; \n"
|
|
"@define-color base_color #fff; \n"
|
|
"@define-color selected_bg_color #4b6983; \n"
|
|
"@define-color selected_fg_color #fff; \n"
|
|
"@define-color tooltip_bg_color #eee1b3; \n"
|
|
"@define-color tooltip_fg_color #000; \n"
|
|
"@define-color placeholder_text_color #808080; \n"
|
|
"\n"
|
|
"@define-color info_fg_color rgb (181, 171, 156);\n"
|
|
"@define-color info_bg_color rgb (252, 252, 189);\n"
|
|
"@define-color warning_fg_color rgb (173, 120, 41);\n"
|
|
"@define-color warning_bg_color rgb (250, 173, 61);\n"
|
|
"@define-color question_fg_color rgb (97, 122, 214);\n"
|
|
"@define-color question_bg_color rgb (138, 173, 212);\n"
|
|
"@define-color error_fg_color rgb (166, 38, 38);\n"
|
|
"@define-color error_bg_color rgb (237, 54, 54);\n"
|
|
"\n"
|
|
"* {\n"
|
|
" background-color: @bg_color;\n"
|
|
" color: @fg_color;\n"
|
|
" border-color: shade (@bg_color, 0.6);\n"
|
|
" padding: 2;\n"
|
|
" border-width: 0;\n"
|
|
"}\n"
|
|
"\n"
|
|
"*:prelight {\n"
|
|
" background-color: shade (@bg_color, 1.05);\n"
|
|
" color: shade (@fg_color, 1.3);\n"
|
|
"}\n"
|
|
"\n"
|
|
"*:selected {\n"
|
|
" background-color: @selected_bg_color;\n"
|
|
" color: @selected_fg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".expander, GtkTreeView.view.expander {\n"
|
|
" color: #fff;\n"
|
|
"}\n"
|
|
"\n"
|
|
".expander:prelight,\n"
|
|
"GtkTreeView.view.expander:selected:prelight {\n"
|
|
" color: @text_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".expander:active {\n"
|
|
" transition: 200ms linear;\n"
|
|
"}\n"
|
|
"\n"
|
|
"*:insensitive {\n"
|
|
" border-color: shade (@bg_color, 0.7);\n"
|
|
" background-color: shade (@bg_color, 0.9);\n"
|
|
" color: shade (@bg_color, 0.7);\n"
|
|
"}\n"
|
|
"\n"
|
|
".view {\n"
|
|
" border-width: 0;\n"
|
|
" border-radius: 0;\n"
|
|
" background-color: @base_color;\n"
|
|
" color: @text_color;\n"
|
|
"}\n"
|
|
".view:selected {\n"
|
|
" background-color: shade (@bg_color, 0.9);\n"
|
|
" color: @fg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".view:selected:focused {\n"
|
|
" background-color: @selected_bg_color;\n"
|
|
" color: @selected_fg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".view column:sorted row,\n"
|
|
".view column:sorted row:prelight {\n"
|
|
" background-color: shade (@bg_color, 0.85);\n"
|
|
"}\n"
|
|
"\n"
|
|
".view column:sorted row:nth-child(odd),\n"
|
|
".view column:sorted row:nth-child(odd):prelight {\n"
|
|
" background-color: shade (@bg_color, 0.8);\n"
|
|
"}\n"
|
|
"\n"
|
|
".view row,\n"
|
|
".view row:prelight {\n"
|
|
" background-color: @base_color;\n"
|
|
" color: @text_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".view row:nth-child(odd),\n"
|
|
".view row:nth-child(odd):prelight {\n"
|
|
" background-color: shade (@base_color, 0.93); \n"
|
|
"}\n"
|
|
"\n"
|
|
".view row:selected:focused {\n"
|
|
" background-color: @selected_bg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".view row:selected {\n"
|
|
" background-color: darker (@bg_color);\n"
|
|
" color: @selected_fg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".view.cell.trough,\n"
|
|
".view.cell.trough:hover,\n"
|
|
".view.cell.trough:selected,\n"
|
|
".view.cell.trough:selected:focused {\n"
|
|
" background-color: @bg_color;\n"
|
|
" color: @fg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".view.cell.progressbar,\n"
|
|
".view.cell.progressbar:hover,\n"
|
|
".view.cell.progressbar:selected,\n"
|
|
".view.cell.progressbar:selected:focused {\n"
|
|
" background-color: @selected_bg_color;\n"
|
|
" color: @selected_fg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".rubberband {\n"
|
|
" background-color: alpha (@fg_color, 0.25);\n"
|
|
" border-color: @fg_color;\n"
|
|
" border-style: solid;\n"
|
|
" border-width: 1;\n"
|
|
"}\n"
|
|
"\n"
|
|
".tooltip {\n"
|
|
" background-color: @tooltip_bg_color; \n"
|
|
" color: @tooltip_fg_color; \n"
|
|
" border-color: @tooltip_fg_color; \n"
|
|
" border-width: 1;\n"
|
|
" border-style: solid;\n"
|
|
"}\n"
|
|
"\n"
|
|
".button,\n"
|
|
".slider {\n"
|
|
" border-style: outset; \n"
|
|
" border-width: 2; \n"
|
|
"}\n"
|
|
"\n"
|
|
".button:active {\n"
|
|
" background-color: shade (@bg_color, 0.7);\n"
|
|
" border-style: inset; \n"
|
|
"}\n"
|
|
"\n"
|
|
".button:prelight,\n"
|
|
".slider:prelight {\n"
|
|
" background-color: @selected_bg_color;\n"
|
|
" color: @selected_fg_color;\n"
|
|
" border-color: shade (@selected_bg_color, 0.7);\n"
|
|
"}\n"
|
|
"\n"
|
|
".trough {\n"
|
|
" background-color: darker (@bg_color);\n"
|
|
" border-style: inset;\n"
|
|
" border-width: 1;\n"
|
|
" padding: 0;\n"
|
|
"}\n"
|
|
"\n"
|
|
".entry {\n"
|
|
" border-style: inset;\n"
|
|
" border-width: 2;\n"
|
|
" background-color: @base_color;\n"
|
|
" color: @text_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".entry:insensitive {\n"
|
|
" background-color: shade (@base_color, 0.9);\n"
|
|
" color: shade (@base_color, 0.7);\n"
|
|
"}\n"
|
|
".entry:active {\n"
|
|
" background-color: #c4c2bd;\n"
|
|
" color: #000;\n"
|
|
"}\n"
|
|
"\n"
|
|
".progressbar,\n"
|
|
".entry.progressbar, \n"
|
|
".cell.progressbar {\n"
|
|
" background-color: @selected_bg_color;\n"
|
|
" border-color: shade (@selected_bg_color, 0.7);\n"
|
|
" color: @selected_fg_color;\n"
|
|
" border-style: outset;\n"
|
|
" border-width: 1;\n"
|
|
"}\n"
|
|
"\n"
|
|
"GtkCheckButton:hover,\n"
|
|
"GtkCheckButton:selected,\n"
|
|
"GtkRadioButton:hover,\n"
|
|
"GtkRadioButton:selected {\n"
|
|
" background-color: shade (@bg_color, 1.05);\n"
|
|
"}\n"
|
|
"\n"
|
|
".check, .radio,"
|
|
".cell.check, .cell.radio,\n"
|
|
".cell.check:hover, .cell.radio:hover {\n"
|
|
" border-style: solid;\n"
|
|
" border-width: 1;\n"
|
|
" background-color: @base_color;\n"
|
|
" border-color: @fg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".check:active, .radio:active,\n"
|
|
".check:hover, .radio:hover {\n"
|
|
" background-color: @base_color;\n"
|
|
" border-color: @fg_color;\n"
|
|
" color: @text_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".check:selected, .radio:selected {\n"
|
|
" background-color: darker (@bg_color);\n"
|
|
" color: @selected_fg_color;\n"
|
|
" border-color: @selected_fg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".check:selected:focused, .radio:selected:focused {\n"
|
|
" background-color: @selected_bg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".menu.check, .menu.radio {\n"
|
|
" color: @fg_color;\n"
|
|
" border-style: none;\n"
|
|
" border-width: 0;\n"
|
|
"}\n"
|
|
"\n"
|
|
".popup {\n"
|
|
" border-style: outset;\n"
|
|
" border-width: 1;\n"
|
|
"}\n"
|
|
"\n"
|
|
".viewport {\n"
|
|
" border-style: inset;\n"
|
|
" border-width: 2;\n"
|
|
"}\n"
|
|
"\n"
|
|
".notebook {\n"
|
|
" border-style: outset;\n"
|
|
" border-width: 1;\n"
|
|
"}\n"
|
|
"\n"
|
|
".frame {\n"
|
|
" border-style: inset;\n"
|
|
" border-width: 1;\n"
|
|
"}\n"
|
|
"\n"
|
|
"GtkScrolledWindow.frame {\n"
|
|
" padding: 0;\n"
|
|
"}\n"
|
|
"\n"
|
|
".menu,\n"
|
|
".menubar,\n"
|
|
".toolbar {\n"
|
|
" border-style: outset;\n"
|
|
" border-width: 1;\n"
|
|
"}\n"
|
|
"\n"
|
|
".menu:hover,\n"
|
|
".menubar:hover,\n"
|
|
".menu.check:hover,\n"
|
|
".menu.radio:hover {\n"
|
|
" background-color: @selected_bg_color;\n"
|
|
" color: @selected_fg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
"GtkSpinButton.button {\n"
|
|
" border-width: 1;\n"
|
|
"}\n"
|
|
"\n"
|
|
".scale.slider:hover,\n"
|
|
"GtkSpinButton.button:hover {\n"
|
|
" background-color: shade (@bg_color, 1.05);\n"
|
|
" border-color: shade (@bg_color, 0.8);\n"
|
|
"}\n"
|
|
"\n"
|
|
"GtkSwitch.trough:active {\n"
|
|
" background-color: @selected_bg_color;\n"
|
|
" color: @selected_fg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
"GtkToggleButton.button:inconsistent {\n"
|
|
" border-style: outset;\n"
|
|
" border-width: 1px;\n"
|
|
" background-color: shade (@bg_color, 0.9);\n"
|
|
" border-color: shade (@bg_color, 0.7);\n"
|
|
"}\n"
|
|
"\n"
|
|
"GtkLabel:selected {\n"
|
|
" background-color: shade (@bg_color, 0.9);\n"
|
|
"}\n"
|
|
"\n"
|
|
"GtkLabel:selected:focused {\n"
|
|
" background-color: @selected_bg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".spinner:active {\n"
|
|
" transition: 750ms linear loop;\n"
|
|
"}\n"
|
|
"\n"
|
|
".info {\n"
|
|
" background-color: @info_bg_color;\n"
|
|
" color: @info_fg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".warning {\n"
|
|
" background-color: @warning_bg_color;\n"
|
|
" color: @warning_fg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".question {\n"
|
|
" background-color: @question_bg_color;\n"
|
|
" color: @question_fg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".error {\n"
|
|
" background-color: @error_bg_color;\n"
|
|
" color: @error_fg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".highlight {\n"
|
|
" background-color: @selected_bg_color;\n"
|
|
" color: @selected_fg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".light-area-focus {\n"
|
|
" color: #000;\n"
|
|
"}\n"
|
|
"\n"
|
|
".dark-area-focus {\n"
|
|
" color: #fff;\n"
|
|
"}\n"
|
|
"GtkCalendar.view {\n"
|
|
" border-width: 1;\n"
|
|
" border-style: inset;\n"
|
|
" padding: 1;\n"
|
|
"}\n"
|
|
"\n"
|
|
"GtkCalendar.view:inconsistent {\n"
|
|
" color: darker (@bg_color);\n"
|
|
"}\n"
|
|
"\n"
|
|
"GtkCalendar.header {\n"
|
|
" background-color: @bg_color;\n"
|
|
" border-style: outset;\n"
|
|
" border-width: 2;\n"
|
|
"}\n"
|
|
"\n"
|
|
"GtkCalendar.highlight {\n"
|
|
" border-width: 0;\n"
|
|
"}\n"
|
|
"\n"
|
|
"GtkCalendar.button {\n"
|
|
" background-color: @bg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
"GtkCalendar.button:hover {\n"
|
|
" background-color: lighter (@bg_color);\n"
|
|
" color: @fg_color;\n"
|
|
"}\n"
|
|
"\n"
|
|
".menu * {\n"
|
|
" border-width: 0;\n"
|
|
" padding: 2;\n"
|
|
"}\n"
|
|
"\n";
|
|
|
|
provider = gtk_css_provider_new ();
|
|
if (!gtk_css_provider_load_from_data (provider, str, -1, NULL))
|
|
{
|
|
g_error ("Failed to load the internal default CSS.");
|
|
}
|
|
}
|
|
|
|
return provider;
|
|
}
|
|
|
|
gchar *
|
|
_gtk_css_provider_get_theme_dir (void)
|
|
{
|
|
const gchar *var;
|
|
gchar *path;
|
|
|
|
var = g_getenv ("GTK_DATA_PREFIX");
|
|
|
|
if (var)
|
|
path = g_build_filename (var, "share", "themes", NULL);
|
|
else
|
|
path = g_build_filename (GTK_DATA_PREFIX, "share", "themes", NULL);
|
|
|
|
return path;
|
|
}
|
|
|
|
/**
|
|
* gtk_css_provider_get_named:
|
|
* @name: A theme name
|
|
* @variant: (allow-none): variant to load, for example, "dark", or
|
|
* %NULL for the default
|
|
*
|
|
* Loads a theme from the usual theme paths
|
|
*
|
|
* Returns: (transfer none): a #GtkCssProvider with the theme loaded.
|
|
* This memory is owned by GTK+, and you must not free it.
|
|
*/
|
|
GtkCssProvider *
|
|
gtk_css_provider_get_named (const gchar *name,
|
|
const gchar *variant)
|
|
{
|
|
static GHashTable *themes = NULL;
|
|
GtkCssProvider *provider;
|
|
gchar *key;
|
|
|
|
if (G_UNLIKELY (!themes))
|
|
themes = g_hash_table_new (g_str_hash, g_str_equal);
|
|
|
|
if (variant == NULL)
|
|
key = (gchar *)name;
|
|
else
|
|
key = g_strconcat (name, "-", variant, NULL);
|
|
|
|
provider = g_hash_table_lookup (themes, key);
|
|
|
|
if (!provider)
|
|
{
|
|
const gchar *home_dir;
|
|
gchar *subpath, *path = NULL;
|
|
|
|
if (variant)
|
|
subpath = g_strdup_printf ("gtk-3.0" G_DIR_SEPARATOR_S "gtk-%s.css", variant);
|
|
else
|
|
subpath = g_strdup ("gtk-3.0" G_DIR_SEPARATOR_S "gtk.css");
|
|
|
|
/* First look in the users home directory
|
|
*/
|
|
home_dir = g_get_home_dir ();
|
|
if (home_dir)
|
|
{
|
|
path = g_build_filename (home_dir, ".themes", name, subpath, NULL);
|
|
|
|
if (!g_file_test (path, G_FILE_TEST_EXISTS))
|
|
{
|
|
g_free (path);
|
|
path = NULL;
|
|
}
|
|
}
|
|
|
|
if (!path)
|
|
{
|
|
gchar *theme_dir;
|
|
|
|
theme_dir = _gtk_css_provider_get_theme_dir ();
|
|
path = g_build_filename (theme_dir, name, subpath, NULL);
|
|
g_free (theme_dir);
|
|
|
|
if (!g_file_test (path, G_FILE_TEST_EXISTS))
|
|
{
|
|
g_free (path);
|
|
path = NULL;
|
|
}
|
|
}
|
|
|
|
g_free (subpath);
|
|
|
|
if (path)
|
|
{
|
|
GError *error;
|
|
|
|
provider = gtk_css_provider_new ();
|
|
error = NULL;
|
|
if (!gtk_css_provider_load_from_path (provider, path, &error))
|
|
{
|
|
g_warning ("Could not load named theme \"%s\": %s", name, error->message);
|
|
g_error_free (error);
|
|
|
|
g_object_unref (provider);
|
|
provider = NULL;
|
|
}
|
|
else
|
|
g_hash_table_insert (themes, g_strdup (key), provider);
|
|
|
|
g_free (path);
|
|
}
|
|
}
|
|
|
|
if (key != name)
|
|
g_free (key);
|
|
|
|
return provider;
|
|
}
|