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css: Add a number value handling win32 sizes

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This commit is contained in:
Benjamin Otte 2016-02-14 00:54:37 +01:00
parent 915fe87a62
commit 3b19db425e
7 changed files with 293 additions and 94 deletions
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2
gtk/Makefile.am
View File

@ -445,6 +445,7 @@ gtk_private_h_sources = \
gtkcsstypedvalueprivate.h \
gtkcssunsetvalueprivate.h \
gtkcssvalueprivate.h \
gtkcsswin32sizevalueprviate.h \
gtkcsswidgetnodeprivate.h \
gtkcustompaperunixdialog.h \
gtkdialogprivate.h \
@ -715,6 +716,7 @@ gtk_base_c_sources = \
gtkcsstypes.c \
gtkcssvalue.c \
gtkcsswidgetnode.c \
gtkcsswin32sizevalue.c \
gtkdialog.c \
gtkdragsource.c \
gtkdrawingarea.c \

6
gtk/gtkcssnumbervalue.c
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@ -21,6 +21,7 @@
#include "gtkcsscalcvalueprivate.h"
#include "gtkcssdimensionvalueprivate.h"
#include "gtkcsswin32sizevalueprivate.h"
struct _GtkCssValue {
GTK_CSS_VALUE_BASE
@ -129,7 +130,8 @@ gboolean
gtk_css_number_value_can_parse (GtkCssParser *parser)
{
return _gtk_css_parser_has_number (parser)
|| _gtk_css_parser_has_prefix (parser, "calc");
|| _gtk_css_parser_has_prefix (parser, "calc")
|| _gtk_css_parser_has_prefix (parser, "-gtk-win32-size");
}
GtkCssValue *
@ -138,6 +140,8 @@ _gtk_css_number_value_parse (GtkCssParser *parser,
{
if (_gtk_css_parser_has_prefix (parser, "calc"))
return gtk_css_calc_value_parse (parser, flags);
if (_gtk_css_parser_has_prefix (parser, "-gtk-win32-size"))
return gtk_css_win32_size_value_parse (parser, flags);
return gtk_css_dimension_value_parse (parser, flags);
}

42
gtk/gtkcssstylefuncs.c
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@ -36,7 +36,7 @@
#include "gtkprivatetypebuiltins.h"
#include "gtkstylecontextprivate.h"
#include "gtktypebuiltins.h"
#include "gtkwin32themeprivate.h"
#include "gtkcsswin32sizevalueprivate.h"
#include "deprecated/gtkthemingengine.h"
#include "deprecated/gtkgradientprivate.h"
@ -431,15 +431,18 @@ int_value_parse (GtkCssParser *parser,
{
gint i;
if (_gtk_css_parser_begins_with (parser, '-'))
if (_gtk_css_parser_has_prefix (parser, "-gtk"))
{
int res = _gtk_win32_theme_int_parse (parser, &i);
if (res >= 0)
{
g_value_set_int (value, i);
return res > 0;
}
/* < 0 => continue */
GtkCssValue *cssvalue = gtk_css_win32_size_value_parse (parser, GTK_CSS_PARSE_NUMBER | GTK_CSS_NUMBER_AS_PIXELS);
if (cssvalue)
{
g_value_set_int (value, _gtk_css_number_value_get (cssvalue, 100));
_gtk_css_value_unref (cssvalue);
return TRUE;
}
return FALSE;
}
if (!_gtk_css_parser_try_int (parser, &i))
@ -615,18 +618,19 @@ border_value_parse (GtkCssParser *parser,
for (i = 0; i < G_N_ELEMENTS (numbers); i++)
{
if (_gtk_css_parser_begins_with (parser, '-'))
{
/* These are strictly speaking signed, but we want to be able to use them
for unsigned types too, as the actual ranges of values make this safe */
int res = _gtk_win32_theme_int_parse (parser, &numbers[i]);
if (_gtk_css_parser_has_prefix (parser, "-gtk"))
{
GtkCssValue *cssvalue = gtk_css_win32_size_value_parse (parser, GTK_CSS_PARSE_NUMBER | GTK_CSS_NUMBER_AS_PIXELS);
if (res == 0) /* Parse error, report */
return FALSE;
if (cssvalue)
{
numbers[i] = _gtk_css_number_value_get (cssvalue, 100);
_gtk_css_value_unref (cssvalue);
return TRUE;
}
if (res < 0) /* Nothing known to expand */
break;
}
return FALSE;
}
else
{
if (!_gtk_css_parser_try_length (parser, &numbers[i]))

196
gtk/gtkcsswin32sizevalue.c Normal file
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@ -0,0 +1,196 @@
/* GTK - The GIMP Toolkit
* Copyright (C) 2011 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtkcsswin32sizevalueprivate.h"
#include "gtkwin32themeprivate.h"
struct _GtkCssValue {
GTK_CSS_VALUE_BASE
double scale; /* needed for calc() math */
GtkWin32Theme *theme;
gint id;
};
static GtkCssValue * gtk_css_win32_size_value_new (double scale,
GtkWin32Theme *theme,
int id);
static void
gtk_css_value_win32_size_free (GtkCssValue *value)
{
gtk_win32_theme_unref (value->theme);
g_slice_free (GtkCssValue, value);
}
static GtkCssValue *
gtk_css_value_win32_size_compute (GtkCssValue *value,
guint property_id,
GtkStyleProviderPrivate *provider,
GtkCssStyle *style,
GtkCssStyle *parent_style)
{
return _gtk_css_number_value_new (value->scale * gtk_win32_theme_get_size (value->theme, value->id), GTK_CSS_PX);
}
static gboolean
gtk_css_value_win32_size_equal (const GtkCssValue *value1,
const GtkCssValue *value2)
{
return gtk_win32_theme_equal (value1->theme, value2->theme) &&
value1->id == value2->id;
}
static void
gtk_css_value_win32_size_print (const GtkCssValue *value,
GString *string)
{
if (value->scale != 1.0)
{
g_string_append_printf (string, "%g * ", value->scale);
}
g_string_append (string, "-gtk-win32-size(");
gtk_win32_theme_print (value->theme, string);
g_string_append_printf (string, ", %d)", value->id);
}
static double
gtk_css_value_win32_size_get (const GtkCssValue *value,
double one_hundred_percent)
{
return value->scale * gtk_win32_theme_get_size (value->theme, value->id);
}
static GtkCssDimension
gtk_css_value_win32_size_get_dimension (const GtkCssValue *value)
{
return GTK_CSS_DIMENSION_LENGTH;
}
static gboolean
gtk_css_value_win32_size_has_percent (const GtkCssValue *value)
{
return FALSE;
}
static GtkCssValue *
gtk_css_value_win32_size_multiply (const GtkCssValue *value,
double factor)
{
return gtk_css_win32_size_value_new (value->scale * factor, value->theme, value->id);
}
static GtkCssValue *
gtk_css_value_win32_size_try_add (const GtkCssValue *value1,
const GtkCssValue *value2)
{
if (!gtk_css_value_win32_size_equal (value1, value2))
return NULL;
return gtk_css_win32_size_value_new (value1->scale + value2->scale, value1->theme, value1->id);
}
static gint
gtk_css_value_win32_size_get_calc_term_order (const GtkCssValue *value)
{
return 2000;
}
static const GtkCssNumberValueClass GTK_CSS_VALUE_WIN32_SIZE = {
{
gtk_css_value_win32_size_free,
gtk_css_value_win32_size_compute,
gtk_css_value_win32_size_equal,
gtk_css_number_value_transition,
gtk_css_value_win32_size_print
},
gtk_css_value_win32_size_get,
gtk_css_value_win32_size_get_dimension,
gtk_css_value_win32_size_has_percent,
gtk_css_value_win32_size_multiply,
gtk_css_value_win32_size_try_add,
gtk_css_value_win32_size_get_calc_term_order
};
static GtkCssValue *
gtk_css_win32_size_value_new (double scale,
GtkWin32Theme *theme,
int id)
{
GtkCssValue *result;
result = _gtk_css_value_new (GtkCssValue, &GTK_CSS_VALUE_WIN32_SIZE.value_class);
result->scale = scale;
result->theme = gtk_win32_theme_ref (theme);
result->id = id;
return result;
}
GtkCssValue *
gtk_css_win32_size_value_parse (GtkCssParser *parser,
GtkCssNumberParseFlags flags)
{
GtkWin32Theme *theme;
char *theme_class;
GtkCssValue *result;
int id;
if (!_gtk_css_parser_try (parser, "-gtk-win32-size(", TRUE))
{
_gtk_css_parser_error (parser, "Expected '-gtk-win32-size('");
return NULL;
}
theme_class = _gtk_css_parser_try_name (parser, TRUE);
if (theme_class == NULL)
{
_gtk_css_parser_error (parser, "Expected name as first argument to '-gtk-win32-size'");
return NULL;
}
if (! _gtk_css_parser_try (parser, ",", TRUE))
{
g_free (theme_class);
_gtk_css_parser_error (parser, "Expected ','");
return NULL;
}
if (!_gtk_css_parser_try_int (parser, &id))
{
g_free (theme_class);
_gtk_css_parser_error (parser, "Expected an integer ID");
return 0;
}
if (!_gtk_css_parser_try (parser, ")", TRUE))
{
g_free (theme_class);
_gtk_css_parser_error (parser, "Expected ')'");
return NULL;
}
theme = gtk_win32_theme_lookup (theme_class);
g_free (theme_class);
result = gtk_css_win32_size_value_new (1.0, theme, id);
gtk_win32_theme_unref (theme);
return result;
}

32
gtk/gtkcsswin32sizevalueprivate.h Normal file
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@ -0,0 +1,32 @@
/*
* Copyright © 2012 Red Hat Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Alexander Larsson <alexl@gnome.org>
*/
#ifndef __GTK_CSS_WIN32_SIZE_VALUE_PRIVATE_H__
#define __GTK_CSS_WIN32_SIZE_VALUE_PRIVATE_H__
#include "gtkcssnumbervalueprivate.h"
G_BEGIN_DECLS
GtkCssValue * gtk_css_win32_size_value_parse (GtkCssParser *parser,
GtkCssNumberParseFlags flags);
G_END_DECLS
#endif /* __GTK_CSS_WIN32_SIZE_VALUE_PRIVATE_H__ */

99
gtk/gtkwin32theme.c
View File

@ -126,6 +126,14 @@ gtk_win32_theme_unref (GtkWin32Theme *theme)
g_slice_free (GtkWin32Theme, theme);
}
gboolean
gtk_win32_theme_equal (GtkWin32Theme *theme1,
GtkWin32Theme *theme2)
{
/* Themes are cached so they're guaranteed unique. */
return theme1 == theme2;
}
#ifdef G_OS_WIN32
static GdkFilterReturn
@ -213,8 +221,6 @@ gtk_win32_theme_init (void)
use_xp_theme = FALSE;
}
themes_by_class = g_hash_table_new (g_str_hash, g_str_equal);
gdk_window_add_filter (NULL, invalidate_win32_themes, NULL);
}
@ -246,6 +252,9 @@ gtk_win32_theme_lookup (const char *classname)
{
GtkWin32Theme *theme;
if (G_UNLIKELY (themes_by_class == NULL))
themes_by_class = g_hash_table_new (g_str_hash, g_str_equal);
theme = g_hash_table_lookup (themes_by_class, classname);
if (theme != NULL)
@ -353,82 +362,22 @@ gtk_win32_theme_create_surface (GtkWin32Theme *theme,
}
int
_gtk_win32_theme_int_parse (GtkCssParser *parser,
int *value)
gtk_win32_theme_get_size (GtkWin32Theme *theme,
int id)
{
char *theme_class;
int arg;
#ifdef G_OS_WIN32
GtkWin32Theme *theme;
HTHEME htheme;
#endif
if (_gtk_css_parser_try (parser,
"-gtk-win32-size",
TRUE))
if (use_xp_theme && get_theme_sys_metric != NULL)
{
if (!_gtk_css_parser_try (parser, "(", TRUE))
{
_gtk_css_parser_error (parser,
"Expected '(' after '-gtk-win32-size'");
return 0;
}
HTHEME htheme = gtk_win32_theme_get_htheme (theme);
theme_class = _gtk_css_parser_try_name (parser, TRUE);
if (theme_class == NULL)
{
_gtk_css_parser_error (parser,
"Expected name as first argument to '-gtk-win32-size'");
return 0;
}
if (! _gtk_css_parser_try (parser, ",", TRUE))
{
g_free (theme_class);
_gtk_css_parser_error (parser,
"Expected ','");
return 0;
}
if (!_gtk_css_parser_try_int (parser, &arg))
{
g_free (theme_class);
_gtk_css_parser_error (parser, "Expected a valid integer value");
return 0;
}
if (!_gtk_css_parser_try (parser, ")", TRUE))
{
g_free (theme_class);
_gtk_css_parser_error (parser,
"Expected ')'");
return 0;
}
#ifdef G_OS_WIN32
theme = gtk_win32_theme_lookup (theme_class);
if (use_xp_theme && get_theme_sys_metric != NULL)
{
htheme = gtk_win32_theme_get_htheme (theme);
/* If htheme is NULL it will just return the GetSystemMetrics value */
*value = get_theme_sys_metric (htheme, arg);
}
else
*value = GetSystemMetrics (arg);
gtk_win32_theme_unref (theme);
#else
*value = 1;
#endif
g_free (theme_class);
return 1;
/* If htheme is NULL it will just return the GetSystemMetrics value */
return get_theme_sys_metric (htheme, id);
}
else
return GetSystemMetrics (id);
#else
return -1;
#endif
}
gboolean
@ -465,3 +414,9 @@ _gtk_win32_theme_color_resolve (const char *theme_class,
return TRUE;
}
void
gtk_win32_theme_print (GtkWin32Theme *theme,
GString *string)
{
g_string_append (string, theme->class_name);
}

10
gtk/gtkwin32themeprivate.h
View File

@ -33,6 +33,12 @@ GtkWin32Theme * gtk_win32_theme_lookup (const char *classna
GtkWin32Theme * gtk_win32_theme_ref (GtkWin32Theme *theme);
void gtk_win32_theme_unref (GtkWin32Theme *theme);
gboolean gtk_win32_theme_equal (GtkWin32Theme *theme1,
GtkWin32Theme *theme2);
void gtk_win32_theme_print (GtkWin32Theme *theme,
GString *string);
cairo_surface_t * gtk_win32_theme_create_surface (GtkWin32Theme *theme,
int xp_part,
int state,
@ -41,9 +47,9 @@ cairo_surface_t * gtk_win32_theme_create_surface (GtkWin32Theme *theme,
int height,
int *x_offs_out,
int *y_offs_out);
int gtk_win32_theme_get_size (GtkWin32Theme *theme,
int id);
int _gtk_win32_theme_int_parse (GtkCssParser *parser,
int *value);
gboolean _gtk_win32_theme_color_resolve (const char *theme_class,
gint id,
GdkRGBA *color);