forked from AuroraMiddleware/gtk
2253 lines
68 KiB
C
2253 lines
68 KiB
C
/*
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* Copyright (c) 2013 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include "config.h"
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#include "gtkheaderbar.h"
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#include "gtkheaderbarprivate.h"
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#include "gtkintl.h"
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#include "gtkprivate.h"
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#include "gtktypebuiltins.h"
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#include "gtkwidgetprivate.h"
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#include "gtkcssnodeprivate.h"
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#include "gtkwindowprivate.h"
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#include "gtkwidgetprivate.h"
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#include "gtkcontainerprivate.h"
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#include "a11y/gtkcontaineraccessible.h"
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#include <string.h>
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/**
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* SECTION:gtkheaderbar
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* @Short_description: A box with a centered child
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* @Title: GtkHeaderBar
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* @See_also: #GtkBox, #GtkActionBar
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*
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* GtkHeaderBar is similar to a horizontal #GtkBox. It allows children to
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* be placed at the start or the end. In addition, it allows a title and
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* subtitle to be displayed. The title will be centered with respect to
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* the width of the box, even if the children at either side take up
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* different amounts of space. The height of the titlebar will be
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* set to provide sufficient space for the subtitle, even if none is
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* currently set. If a subtitle is not needed, the space reservation
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* can be turned off with gtk_header_bar_set_has_subtitle().
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*
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* GtkHeaderBar can add typical window frame controls, such as minimize,
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* maximize and close buttons, or the window icon.
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*/
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#define DEFAULT_SPACING 6
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#define MIN_TITLE_CHARS 5
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struct _GtkHeaderBarPrivate
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{
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gchar *title;
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gchar *subtitle;
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GtkWidget *title_label;
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GtkWidget *subtitle_label;
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GtkWidget *label_box;
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GtkWidget *label_sizing_box;
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GtkWidget *subtitle_sizing_label;
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GtkWidget *custom_title;
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gint spacing;
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gboolean has_subtitle;
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GList *children;
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gboolean shows_wm_decorations;
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gchar *decoration_layout;
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gboolean decoration_layout_set;
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GtkWidget *titlebar_start_box;
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GtkWidget *titlebar_end_box;
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GtkWidget *titlebar_start_separator;
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GtkWidget *titlebar_end_separator;
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GtkWidget *titlebar_icon;
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guint shows_app_menu : 1;
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};
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typedef struct _Child Child;
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struct _Child
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{
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GtkWidget *widget;
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GtkPackType pack_type;
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};
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enum {
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PROP_0,
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PROP_TITLE,
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PROP_SUBTITLE,
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PROP_HAS_SUBTITLE,
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PROP_CUSTOM_TITLE,
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PROP_SPACING,
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PROP_SHOW_CLOSE_BUTTON,
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PROP_DECORATION_LAYOUT,
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PROP_DECORATION_LAYOUT_SET,
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LAST_PROP
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};
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enum {
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CHILD_PROP_0,
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CHILD_PROP_PACK_TYPE,
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CHILD_PROP_POSITION
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};
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static GParamSpec *header_bar_props[LAST_PROP] = { NULL, };
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static void gtk_header_bar_buildable_init (GtkBuildableIface *iface);
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G_DEFINE_TYPE_WITH_CODE (GtkHeaderBar, gtk_header_bar, GTK_TYPE_CONTAINER,
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G_ADD_PRIVATE (GtkHeaderBar)
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G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
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gtk_header_bar_buildable_init));
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static void
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init_sizing_box (GtkHeaderBar *bar)
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{
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GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
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GtkWidget *w;
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GtkStyleContext *context;
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/* We use this box to always request size for the two labels (title
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* and subtitle) as if they were always visible, but then allocate
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* the real label box with its actual size, to keep it center-aligned
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* in case we have only the title.
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*/
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w = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
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priv->label_sizing_box = g_object_ref_sink (w);
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w = gtk_label_new (NULL);
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context = gtk_widget_get_style_context (w);
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gtk_style_context_add_class (context, GTK_STYLE_CLASS_TITLE);
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gtk_box_pack_start (GTK_BOX (priv->label_sizing_box), w);
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gtk_label_set_line_wrap (GTK_LABEL (w), FALSE);
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gtk_label_set_single_line_mode (GTK_LABEL (w), TRUE);
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gtk_label_set_ellipsize (GTK_LABEL (w), PANGO_ELLIPSIZE_END);
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gtk_label_set_width_chars (GTK_LABEL (w), MIN_TITLE_CHARS);
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w = gtk_label_new (NULL);
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context = gtk_widget_get_style_context (w);
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gtk_style_context_add_class (context, GTK_STYLE_CLASS_SUBTITLE);
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gtk_box_pack_start (GTK_BOX (priv->label_sizing_box), w);
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gtk_label_set_line_wrap (GTK_LABEL (w), FALSE);
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gtk_label_set_single_line_mode (GTK_LABEL (w), TRUE);
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gtk_label_set_ellipsize (GTK_LABEL (w), PANGO_ELLIPSIZE_END);
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gtk_widget_set_visible (w, priv->has_subtitle || (priv->subtitle && priv->subtitle[0]));
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priv->subtitle_sizing_label = w;
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}
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static GtkWidget *
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create_title_box (const char *title,
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const char *subtitle,
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GtkWidget **ret_title_label,
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GtkWidget **ret_subtitle_label)
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{
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GtkWidget *label_box;
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GtkWidget *title_label;
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GtkWidget *subtitle_label;
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GtkStyleContext *context;
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label_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
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gtk_widget_set_valign (label_box, GTK_ALIGN_CENTER);
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title_label = gtk_label_new (title);
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context = gtk_widget_get_style_context (title_label);
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gtk_style_context_add_class (context, GTK_STYLE_CLASS_TITLE);
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gtk_label_set_line_wrap (GTK_LABEL (title_label), FALSE);
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gtk_label_set_single_line_mode (GTK_LABEL (title_label), TRUE);
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gtk_label_set_ellipsize (GTK_LABEL (title_label), PANGO_ELLIPSIZE_END);
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gtk_box_pack_start (GTK_BOX (label_box), title_label);
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gtk_label_set_width_chars (GTK_LABEL (title_label), MIN_TITLE_CHARS);
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subtitle_label = gtk_label_new (subtitle);
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context = gtk_widget_get_style_context (subtitle_label);
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gtk_style_context_add_class (context, GTK_STYLE_CLASS_SUBTITLE);
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gtk_label_set_line_wrap (GTK_LABEL (subtitle_label), FALSE);
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gtk_label_set_single_line_mode (GTK_LABEL (subtitle_label), TRUE);
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gtk_label_set_ellipsize (GTK_LABEL (subtitle_label), PANGO_ELLIPSIZE_END);
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gtk_box_pack_start (GTK_BOX (label_box), subtitle_label);
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gtk_widget_set_visible (subtitle_label, subtitle && subtitle[0]);
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if (ret_title_label)
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*ret_title_label = title_label;
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if (ret_subtitle_label)
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*ret_subtitle_label = subtitle_label;
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return label_box;
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}
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gboolean
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_gtk_header_bar_update_window_icon (GtkHeaderBar *bar,
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GtkWindow *window)
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{
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GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
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GdkTexture *texture;
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gint scale;
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if (priv->titlebar_icon == NULL)
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return FALSE;
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scale = gtk_widget_get_scale_factor (priv->titlebar_icon);
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if (GTK_IS_BUTTON (gtk_widget_get_parent (priv->titlebar_icon)))
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texture = gtk_window_get_icon_for_size (window, 16 * scale);
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else
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texture = gtk_window_get_icon_for_size (window, 20 * scale);
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if (texture)
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{
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gtk_image_set_from_texture (GTK_IMAGE (priv->titlebar_icon), texture);
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g_object_unref (texture);
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gtk_widget_show (priv->titlebar_icon);
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return TRUE;
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}
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return FALSE;
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}
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static void
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_gtk_header_bar_update_separator_visibility (GtkHeaderBar *bar)
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{
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GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
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gboolean have_visible_at_start = FALSE;
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gboolean have_visible_at_end = FALSE;
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GList *l;
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for (l = priv->children; l != NULL; l = l->next)
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{
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Child *child = l->data;
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if (gtk_widget_get_visible (child->widget))
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{
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if (child->pack_type == GTK_PACK_START)
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have_visible_at_start = TRUE;
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else
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have_visible_at_end = TRUE;
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}
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}
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if (priv->titlebar_start_separator != NULL)
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gtk_widget_set_visible (priv->titlebar_start_separator, have_visible_at_start);
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if (priv->titlebar_end_separator != NULL)
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gtk_widget_set_visible (priv->titlebar_end_separator, have_visible_at_end);
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}
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void
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_gtk_header_bar_update_window_buttons (GtkHeaderBar *bar)
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{
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GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
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GtkWidget *widget = GTK_WIDGET (bar), *toplevel;
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GtkWindow *window;
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GtkTextDirection direction;
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gchar *layout_desc;
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gchar **tokens, **t;
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gint i, j;
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GMenuModel *menu;
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gboolean shown_by_shell;
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gboolean is_sovereign_window;
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toplevel = gtk_widget_get_toplevel (widget);
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if (!gtk_widget_is_toplevel (toplevel))
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return;
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if (priv->titlebar_start_box)
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{
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gtk_widget_unparent (priv->titlebar_start_box);
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priv->titlebar_start_box = NULL;
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priv->titlebar_start_separator = NULL;
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}
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if (priv->titlebar_end_box)
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{
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gtk_widget_unparent (priv->titlebar_end_box);
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priv->titlebar_end_box = NULL;
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priv->titlebar_end_separator = NULL;
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}
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priv->titlebar_icon = NULL;
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priv->shows_app_menu = FALSE;
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if (!priv->shows_wm_decorations)
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return;
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direction = gtk_widget_get_direction (widget);
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g_object_get (gtk_widget_get_settings (widget),
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"gtk-shell-shows-app-menu", &shown_by_shell,
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"gtk-decoration-layout", &layout_desc,
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NULL);
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if (priv->decoration_layout_set)
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{
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g_free (layout_desc);
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layout_desc = g_strdup (priv->decoration_layout);
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}
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window = GTK_WINDOW (toplevel);
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if (!shown_by_shell && gtk_window_get_application (window))
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menu = gtk_application_get_app_menu (gtk_window_get_application (window));
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else
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menu = NULL;
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is_sovereign_window = (!gtk_window_get_modal (window) &&
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gtk_window_get_transient_for (window) == NULL &&
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gtk_window_get_type_hint (window) == GDK_WINDOW_TYPE_HINT_NORMAL);
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tokens = g_strsplit (layout_desc, ":", 2);
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if (tokens)
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{
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for (i = 0; i < 2; i++)
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{
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GtkWidget *box;
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GtkWidget *separator;
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int n_children = 0;
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if (tokens[i] == NULL)
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break;
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t = g_strsplit (tokens[i], ",", -1);
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separator = gtk_separator_new (GTK_ORIENTATION_VERTICAL);
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gtk_style_context_add_class (gtk_widget_get_style_context (separator), "titlebutton");
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box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, priv->spacing);
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for (j = 0; t[j]; j++)
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{
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GtkWidget *button = NULL;
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GtkWidget *image = NULL;
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AtkObject *accessible;
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if (strcmp (t[j], "icon") == 0 &&
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is_sovereign_window)
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{
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button = gtk_image_new ();
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gtk_widget_set_valign (button, GTK_ALIGN_CENTER);
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priv->titlebar_icon = button;
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gtk_style_context_add_class (gtk_widget_get_style_context (button), "titlebutton");
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gtk_style_context_add_class (gtk_widget_get_style_context (button), "icon");
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gtk_widget_set_size_request (button, 20, 20);
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if (!_gtk_header_bar_update_window_icon (bar, window))
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{
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gtk_widget_destroy (button);
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priv->titlebar_icon = NULL;
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button = NULL;
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}
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}
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else if (strcmp (t[j], "menu") == 0 &&
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menu != NULL &&
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is_sovereign_window)
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{
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button = gtk_menu_button_new ();
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gtk_widget_set_valign (button, GTK_ALIGN_CENTER);
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gtk_menu_button_set_menu_model (GTK_MENU_BUTTON (button), menu);
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gtk_menu_button_set_use_popover (GTK_MENU_BUTTON (button), TRUE);
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gtk_style_context_add_class (gtk_widget_get_style_context (button), "titlebutton");
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gtk_style_context_add_class (gtk_widget_get_style_context (button), "appmenu");
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image = gtk_image_new ();
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gtk_container_add (GTK_CONTAINER (button), image);
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gtk_widget_set_can_focus (button, FALSE);
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accessible = gtk_widget_get_accessible (button);
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if (GTK_IS_ACCESSIBLE (accessible))
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atk_object_set_name (accessible, _("Application menu"));
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priv->titlebar_icon = image;
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if (!_gtk_header_bar_update_window_icon (bar, window))
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gtk_image_set_from_icon_name (GTK_IMAGE (priv->titlebar_icon),
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"application-x-executable-symbolic", GTK_ICON_SIZE_MENU);
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priv->shows_app_menu = TRUE;
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}
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else if (strcmp (t[j], "minimize") == 0 &&
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is_sovereign_window)
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{
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button = gtk_button_new ();
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gtk_widget_set_valign (button, GTK_ALIGN_CENTER);
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gtk_style_context_add_class (gtk_widget_get_style_context (button), "titlebutton");
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gtk_style_context_add_class (gtk_widget_get_style_context (button), "minimize");
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image = gtk_image_new_from_icon_name ("window-minimize-symbolic", GTK_ICON_SIZE_MENU);
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g_object_set (image, "use-fallback", TRUE, NULL);
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gtk_container_add (GTK_CONTAINER (button), image);
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gtk_widget_set_can_focus (button, FALSE);
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g_signal_connect_swapped (button, "clicked",
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G_CALLBACK (gtk_window_iconify), window);
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accessible = gtk_widget_get_accessible (button);
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if (GTK_IS_ACCESSIBLE (accessible))
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atk_object_set_name (accessible, _("Minimize"));
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}
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else if (strcmp (t[j], "maximize") == 0 &&
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gtk_window_get_resizable (window) &&
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is_sovereign_window)
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{
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const gchar *icon_name;
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gboolean maximized = gtk_window_is_maximized (window);
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icon_name = maximized ? "window-restore-symbolic" : "window-maximize-symbolic";
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button = gtk_button_new ();
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gtk_widget_set_valign (button, GTK_ALIGN_CENTER);
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gtk_style_context_add_class (gtk_widget_get_style_context (button), "titlebutton");
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gtk_style_context_add_class (gtk_widget_get_style_context (button), "maximize");
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image = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_MENU);
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g_object_set (image, "use-fallback", TRUE, NULL);
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gtk_container_add (GTK_CONTAINER (button), image);
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gtk_widget_set_can_focus (button, FALSE);
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g_signal_connect_swapped (button, "clicked",
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G_CALLBACK (_gtk_window_toggle_maximized), window);
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accessible = gtk_widget_get_accessible (button);
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if (GTK_IS_ACCESSIBLE (accessible))
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atk_object_set_name (accessible, maximized ? _("Restore") : _("Maximize"));
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}
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else if (strcmp (t[j], "close") == 0 &&
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gtk_window_get_deletable (window))
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{
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button = gtk_button_new ();
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gtk_widget_set_valign (button, GTK_ALIGN_CENTER);
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image = gtk_image_new_from_icon_name ("window-close-symbolic", GTK_ICON_SIZE_MENU);
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gtk_style_context_add_class (gtk_widget_get_style_context (button), "titlebutton");
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gtk_style_context_add_class (gtk_widget_get_style_context (button), "close");
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g_object_set (image, "use-fallback", TRUE, NULL);
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gtk_container_add (GTK_CONTAINER (button), image);
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gtk_widget_set_can_focus (button, FALSE);
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g_signal_connect_swapped (button, "clicked",
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G_CALLBACK (gtk_window_close), window);
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accessible = gtk_widget_get_accessible (button);
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if (GTK_IS_ACCESSIBLE (accessible))
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atk_object_set_name (accessible, _("Close"));
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}
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if (button)
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{
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gtk_box_pack_start (GTK_BOX (box), button);
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n_children ++;
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}
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}
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g_strfreev (t);
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if (n_children == 0)
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{
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g_object_ref_sink (box);
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g_object_unref (box);
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g_object_ref_sink (separator);
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g_object_unref (separator);
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continue;
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}
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gtk_box_pack_start (GTK_BOX (box), separator);
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if (i == 1)
|
|
gtk_box_reorder_child (GTK_BOX (box), separator, 0);
|
|
|
|
if ((direction == GTK_TEXT_DIR_LTR && i == 0) ||
|
|
(direction == GTK_TEXT_DIR_RTL && i == 1))
|
|
{
|
|
gtk_style_context_add_class (gtk_widget_get_style_context (box), GTK_STYLE_CLASS_LEFT);
|
|
gtk_css_node_insert_after (gtk_widget_get_css_node (GTK_WIDGET (bar)),
|
|
gtk_widget_get_css_node (box),
|
|
NULL);
|
|
}
|
|
else
|
|
{
|
|
gtk_style_context_add_class (gtk_widget_get_style_context (box), GTK_STYLE_CLASS_RIGHT);
|
|
gtk_css_node_insert_before (gtk_widget_get_css_node (GTK_WIDGET (bar)),
|
|
gtk_widget_get_css_node (box),
|
|
NULL);
|
|
}
|
|
|
|
gtk_widget_set_parent (box, GTK_WIDGET (bar));
|
|
|
|
if (i == 0)
|
|
{
|
|
priv->titlebar_start_box = box;
|
|
priv->titlebar_start_separator = separator;
|
|
}
|
|
else
|
|
{
|
|
priv->titlebar_end_box = box;
|
|
priv->titlebar_end_separator = separator;
|
|
}
|
|
}
|
|
g_strfreev (tokens);
|
|
}
|
|
g_free (layout_desc);
|
|
|
|
_gtk_header_bar_update_separator_visibility (bar);
|
|
}
|
|
|
|
gboolean
|
|
_gtk_header_bar_shows_app_menu (GtkHeaderBar *bar)
|
|
{
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
|
|
return priv->shows_wm_decorations &&
|
|
priv->shows_app_menu;
|
|
}
|
|
|
|
/* As an intended side effect, this function allows @child
|
|
* to be the title/label box */
|
|
static void
|
|
gtk_header_bar_reorder_css_node (GtkHeaderBar *bar,
|
|
GtkPackType pack_type,
|
|
GtkWidget *widget)
|
|
{
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
GtkWidget *previous_widget;
|
|
GList *l;
|
|
|
|
if (pack_type == GTK_PACK_START)
|
|
previous_widget = priv->titlebar_start_box;
|
|
else
|
|
previous_widget = priv->titlebar_end_box;
|
|
|
|
for (l = priv->children; l; l = l->next)
|
|
{
|
|
Child *iter = l->data;
|
|
|
|
if (iter->widget == widget)
|
|
break;
|
|
|
|
if (iter->pack_type == pack_type)
|
|
previous_widget = iter->widget;
|
|
}
|
|
|
|
if ((pack_type == GTK_PACK_START)
|
|
^ (gtk_widget_get_direction (GTK_WIDGET (bar)) == GTK_TEXT_DIR_LTR))
|
|
gtk_css_node_insert_after (gtk_widget_get_css_node (GTK_WIDGET (bar)),
|
|
gtk_widget_get_css_node (widget),
|
|
previous_widget ? gtk_widget_get_css_node (previous_widget) : NULL);
|
|
else
|
|
gtk_css_node_insert_before (gtk_widget_get_css_node (GTK_WIDGET (bar)),
|
|
gtk_widget_get_css_node (widget),
|
|
previous_widget ? gtk_widget_get_css_node (previous_widget) : NULL);
|
|
}
|
|
|
|
static void
|
|
construct_label_box (GtkHeaderBar *bar)
|
|
{
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
|
|
g_assert (priv->label_box == NULL);
|
|
|
|
priv->label_box = create_title_box (priv->title,
|
|
priv->subtitle,
|
|
&priv->title_label,
|
|
&priv->subtitle_label);
|
|
gtk_header_bar_reorder_css_node (bar, GTK_PACK_START, priv->label_box);
|
|
gtk_widget_set_parent (priv->label_box, GTK_WIDGET (bar));
|
|
}
|
|
|
|
static gint
|
|
count_visible_children (GtkHeaderBar *bar)
|
|
{
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
GList *l;
|
|
Child *child;
|
|
gint n;
|
|
|
|
n = 0;
|
|
for (l = priv->children; l; l = l->next)
|
|
{
|
|
child = l->data;
|
|
if (gtk_widget_get_visible (child->widget))
|
|
n++;
|
|
}
|
|
|
|
return n;
|
|
}
|
|
|
|
static gboolean
|
|
add_child_size (GtkWidget *child,
|
|
GtkOrientation orientation,
|
|
gint *minimum,
|
|
gint *natural)
|
|
{
|
|
gint child_minimum, child_natural;
|
|
|
|
if (!gtk_widget_get_visible (child))
|
|
return FALSE;
|
|
|
|
gtk_widget_measure (child, orientation, -1, &child_minimum, &child_natural,
|
|
NULL, NULL);
|
|
|
|
if (GTK_ORIENTATION_HORIZONTAL == orientation)
|
|
{
|
|
*minimum += child_minimum;
|
|
*natural += child_natural;
|
|
}
|
|
else
|
|
{
|
|
*minimum = MAX (*minimum, child_minimum);
|
|
*natural = MAX (*natural, child_natural);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_get_size (GtkWidget *widget,
|
|
GtkOrientation orientation,
|
|
gint *minimum_size,
|
|
gint *natural_size)
|
|
{
|
|
GtkHeaderBar *bar = GTK_HEADER_BAR (widget);
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
GList *l;
|
|
gint nvis_children;
|
|
gint minimum, natural;
|
|
gint center_min, center_nat;
|
|
|
|
minimum = natural = 0;
|
|
nvis_children = 0;
|
|
|
|
for (l = priv->children; l; l = l->next)
|
|
{
|
|
Child *child = l->data;
|
|
|
|
if (add_child_size (child->widget, orientation, &minimum, &natural))
|
|
nvis_children += 1;
|
|
}
|
|
|
|
center_min = center_nat = 0;
|
|
if (priv->label_box != NULL)
|
|
{
|
|
if (orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
add_child_size (priv->label_box, orientation, ¢er_min, ¢er_nat);
|
|
else
|
|
add_child_size (priv->label_sizing_box, orientation, ¢er_min, ¢er_nat);
|
|
|
|
if (_gtk_widget_get_visible (priv->label_sizing_box))
|
|
nvis_children += 1;
|
|
}
|
|
|
|
if (priv->custom_title != NULL)
|
|
{
|
|
if (add_child_size (priv->custom_title, orientation, ¢er_min, ¢er_nat))
|
|
nvis_children += 1;
|
|
}
|
|
|
|
if (priv->titlebar_start_box != NULL)
|
|
{
|
|
if (add_child_size (priv->titlebar_start_box, orientation, &minimum, &natural))
|
|
nvis_children += 1;
|
|
}
|
|
|
|
if (priv->titlebar_end_box != NULL)
|
|
{
|
|
if (add_child_size (priv->titlebar_end_box, orientation, &minimum, &natural))
|
|
nvis_children += 1;
|
|
}
|
|
|
|
if (orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
{
|
|
minimum += center_min;
|
|
natural += center_nat;
|
|
}
|
|
else
|
|
{
|
|
minimum = MAX (minimum, center_min);
|
|
natural = MAX (natural, center_nat);
|
|
}
|
|
|
|
if (nvis_children > 0 && orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
{
|
|
minimum += nvis_children * priv->spacing;
|
|
natural += nvis_children * priv->spacing;
|
|
}
|
|
|
|
*minimum_size = minimum;
|
|
*natural_size = natural;
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_compute_size_for_orientation (GtkWidget *widget,
|
|
gint avail_size,
|
|
gint *minimum_size,
|
|
gint *natural_size)
|
|
{
|
|
GtkHeaderBar *bar = GTK_HEADER_BAR (widget);
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
GList *children;
|
|
gint required_size = 0;
|
|
gint required_natural = 0;
|
|
gint child_size;
|
|
gint child_natural;
|
|
gint nvis_children;
|
|
|
|
nvis_children = 0;
|
|
|
|
for (children = priv->children; children != NULL; children = children->next)
|
|
{
|
|
Child *child = children->data;
|
|
|
|
if (gtk_widget_get_visible (child->widget))
|
|
{
|
|
gtk_widget_measure (child->widget, GTK_ORIENTATION_HORIZONTAL, avail_size,
|
|
&child_size, &child_natural, NULL, NULL);
|
|
|
|
required_size += child_size;
|
|
required_natural += child_natural;
|
|
|
|
nvis_children += 1;
|
|
}
|
|
}
|
|
|
|
if (priv->label_box != NULL)
|
|
{
|
|
gtk_widget_measure (priv->label_sizing_box, GTK_ORIENTATION_HORIZONTAL, -1,
|
|
&child_size, &child_natural, NULL, NULL);
|
|
required_size += child_size;
|
|
required_natural += child_natural;
|
|
}
|
|
|
|
if (priv->custom_title != NULL &&
|
|
gtk_widget_get_visible (priv->custom_title))
|
|
{
|
|
gtk_widget_measure (priv->custom_title, GTK_ORIENTATION_HORIZONTAL, -1,
|
|
&child_size, &child_natural, NULL, NULL);
|
|
|
|
required_size += child_size;
|
|
required_natural += child_natural;
|
|
}
|
|
|
|
if (priv->titlebar_start_box != NULL)
|
|
{
|
|
gtk_widget_measure (priv->titlebar_start_box, GTK_ORIENTATION_HORIZONTAL, -1,
|
|
&child_size, &child_natural, NULL, NULL);
|
|
required_size += child_size;
|
|
required_natural += child_natural;
|
|
nvis_children += 1;
|
|
}
|
|
|
|
if (priv->titlebar_end_box != NULL)
|
|
{
|
|
gtk_widget_measure (priv->titlebar_end_box, GTK_ORIENTATION_HORIZONTAL, -1,
|
|
&child_size, &child_natural, NULL, NULL);
|
|
|
|
required_size += child_size;
|
|
required_natural += child_natural;
|
|
nvis_children += 1;
|
|
}
|
|
|
|
if (nvis_children > 0)
|
|
{
|
|
required_size += nvis_children * priv->spacing;
|
|
required_natural += nvis_children * priv->spacing;
|
|
}
|
|
|
|
*minimum_size = required_size;
|
|
*natural_size = required_natural;
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_compute_size_for_opposing_orientation (GtkWidget *widget,
|
|
gint avail_size,
|
|
gint *minimum_size,
|
|
gint *natural_size)
|
|
{
|
|
GtkHeaderBar *bar = GTK_HEADER_BAR (widget);
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
Child *child;
|
|
GList *children;
|
|
gint nvis_children;
|
|
gint computed_minimum = 0;
|
|
gint computed_natural = 0;
|
|
GtkRequestedSize *sizes;
|
|
GtkPackType packing;
|
|
gint size = 0;
|
|
gint i;
|
|
gint child_size;
|
|
gint child_minimum;
|
|
gint child_natural;
|
|
gint center_min, center_nat;
|
|
|
|
nvis_children = count_visible_children (bar);
|
|
|
|
if (nvis_children <= 0)
|
|
return;
|
|
|
|
sizes = g_newa (GtkRequestedSize, nvis_children);
|
|
|
|
/* Retrieve desired size for visible children */
|
|
for (i = 0, children = priv->children; children; children = children->next)
|
|
{
|
|
child = children->data;
|
|
|
|
if (gtk_widget_get_visible (child->widget))
|
|
{
|
|
gtk_widget_measure (child->widget, GTK_ORIENTATION_HORIZONTAL, -1,
|
|
&sizes[i].minimum_size, &sizes[i].natural_size,
|
|
NULL, NULL);
|
|
|
|
size -= sizes[i].minimum_size;
|
|
sizes[i].data = child;
|
|
i += 1;
|
|
}
|
|
}
|
|
|
|
/* Bring children up to size first */
|
|
size = gtk_distribute_natural_allocation (MAX (0, avail_size), nvis_children, sizes);
|
|
|
|
/* Allocate child positions. */
|
|
for (packing = GTK_PACK_START; packing <= GTK_PACK_END; ++packing)
|
|
{
|
|
for (i = 0, children = priv->children; children; children = children->next)
|
|
{
|
|
child = children->data;
|
|
|
|
/* If widget is not visible, skip it. */
|
|
if (!gtk_widget_get_visible (child->widget))
|
|
continue;
|
|
|
|
/* If widget is packed differently skip it, but still increment i,
|
|
* since widget is visible and will be handled in next loop
|
|
* iteration.
|
|
*/
|
|
if (child->pack_type != packing)
|
|
{
|
|
i++;
|
|
continue;
|
|
}
|
|
|
|
child_size = sizes[i].minimum_size;
|
|
|
|
gtk_widget_measure (child->widget, GTK_ORIENTATION_VERTICAL, child_size,
|
|
&child_minimum, &child_natural, NULL, NULL);
|
|
|
|
computed_minimum = MAX (computed_minimum, child_minimum);
|
|
computed_natural = MAX (computed_natural, child_natural);
|
|
}
|
|
i += 1;
|
|
}
|
|
|
|
center_min = center_nat = 0;
|
|
if (priv->label_box != NULL)
|
|
{
|
|
gtk_widget_measure (priv->label_sizing_box, GTK_ORIENTATION_VERTICAL, -1,
|
|
¢er_min, ¢er_nat, NULL, NULL);
|
|
}
|
|
|
|
if (priv->custom_title != NULL &&
|
|
gtk_widget_get_visible (priv->custom_title))
|
|
{
|
|
gtk_widget_measure (priv->custom_title, GTK_ORIENTATION_VERTICAL, -1,
|
|
¢er_min, ¢er_nat, NULL, NULL);
|
|
}
|
|
|
|
if (priv->titlebar_start_box != NULL)
|
|
{
|
|
gtk_widget_measure (priv->titlebar_start_box, GTK_ORIENTATION_VERTICAL, -1,
|
|
&child_minimum, &child_natural, NULL, NULL);
|
|
|
|
computed_minimum = MAX (computed_minimum, child_minimum);
|
|
computed_natural = MAX (computed_natural, child_natural);
|
|
}
|
|
|
|
if (priv->titlebar_end_box != NULL)
|
|
{
|
|
gtk_widget_measure (priv->titlebar_end_box, GTK_ORIENTATION_VERTICAL, -1,
|
|
&child_minimum, &child_natural, NULL, NULL);
|
|
|
|
computed_minimum = MAX (computed_minimum, child_minimum);
|
|
computed_natural = MAX (computed_natural, child_natural);
|
|
}
|
|
|
|
*minimum_size = computed_minimum;
|
|
*natural_size = computed_natural;
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_measure (GtkWidget *widget,
|
|
GtkOrientation orientation,
|
|
int for_size,
|
|
int *minimum,
|
|
int *natural,
|
|
int *minimum_baseline,
|
|
int *natural_baseline)
|
|
{
|
|
if (for_size < 0)
|
|
gtk_header_bar_get_size (widget, orientation, minimum, natural);
|
|
else if (orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
gtk_header_bar_compute_size_for_orientation (widget, for_size, minimum, natural);
|
|
else
|
|
gtk_header_bar_compute_size_for_opposing_orientation (widget, for_size, minimum, natural);
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_size_allocate (GtkWidget *widget,
|
|
const GtkAllocation *allocation,
|
|
int baseline,
|
|
GtkAllocation *out_clip)
|
|
{
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (GTK_HEADER_BAR (widget));
|
|
GtkWidget *title_widget;
|
|
GtkHeaderBar *bar = GTK_HEADER_BAR (widget);
|
|
GtkRequestedSize *sizes;
|
|
gint width, height;
|
|
gint nvis_children;
|
|
gint title_minimum_size;
|
|
gint title_natural_size;
|
|
gboolean title_expands = FALSE;
|
|
gint start_width, end_width;
|
|
gint uniform_expand_bonus[2] = { 0 };
|
|
gint leftover_expand_bonus[2] = { 0 };
|
|
gint nexpand_children[2] = { 0 };
|
|
gint side[2];
|
|
GList *l;
|
|
gint i;
|
|
Child *child;
|
|
GtkPackType packing;
|
|
GtkAllocation child_allocation;
|
|
gint x;
|
|
gint child_size;
|
|
GtkTextDirection direction;
|
|
GtkAllocation child_clip = {0, };
|
|
|
|
direction = gtk_widget_get_direction (widget);
|
|
nvis_children = count_visible_children (bar);
|
|
sizes = g_newa (GtkRequestedSize, nvis_children);
|
|
|
|
width = allocation->width - nvis_children * priv->spacing;
|
|
height = allocation->height;
|
|
|
|
i = 0;
|
|
for (l = priv->children; l; l = l->next)
|
|
{
|
|
child = l->data;
|
|
if (!gtk_widget_get_visible (child->widget))
|
|
continue;
|
|
|
|
if (gtk_widget_compute_expand (child->widget, GTK_ORIENTATION_HORIZONTAL))
|
|
nexpand_children[child->pack_type]++;
|
|
|
|
gtk_widget_measure (child->widget, GTK_ORIENTATION_HORIZONTAL, height,
|
|
&sizes[i].minimum_size, &sizes[i].natural_size,
|
|
NULL, NULL);
|
|
|
|
width -= sizes[i].minimum_size;
|
|
i++;
|
|
}
|
|
|
|
title_minimum_size = 0;
|
|
title_natural_size = 0;
|
|
|
|
if (priv->custom_title != NULL &&
|
|
gtk_widget_get_visible (priv->custom_title))
|
|
title_widget = priv->custom_title;
|
|
else if (priv->label_box != NULL)
|
|
title_widget = priv->label_box;
|
|
else
|
|
title_widget = NULL;
|
|
|
|
if (title_widget)
|
|
{
|
|
gtk_widget_measure (title_widget, GTK_ORIENTATION_HORIZONTAL, height,
|
|
&title_minimum_size, &title_natural_size,
|
|
NULL, NULL);
|
|
|
|
width -= title_natural_size;
|
|
|
|
title_expands = gtk_widget_compute_expand (title_widget, GTK_ORIENTATION_HORIZONTAL);
|
|
}
|
|
|
|
start_width = 0;
|
|
if (priv->titlebar_start_box != NULL)
|
|
{
|
|
gint min, nat;
|
|
gtk_widget_measure (priv->titlebar_start_box, GTK_ORIENTATION_HORIZONTAL, height,
|
|
&min, &nat,
|
|
NULL, NULL);
|
|
|
|
start_width = nat + priv->spacing;
|
|
}
|
|
width -= start_width;
|
|
|
|
end_width = 0;
|
|
if (priv->titlebar_end_box != NULL)
|
|
{
|
|
gint min, nat;
|
|
gtk_widget_measure (priv->titlebar_end_box, GTK_ORIENTATION_HORIZONTAL, height,
|
|
&min, &nat,
|
|
NULL, NULL);
|
|
|
|
end_width = nat + priv->spacing;
|
|
}
|
|
width -= end_width;
|
|
|
|
width = gtk_distribute_natural_allocation (MAX (0, width), nvis_children, sizes);
|
|
|
|
/* compute the nominal size of the children filling up each side of
|
|
* the title in titlebar
|
|
*/
|
|
side[0] = start_width;
|
|
side[1] = end_width;
|
|
for (packing = GTK_PACK_START; packing <= GTK_PACK_END; packing++)
|
|
{
|
|
i = 0;
|
|
for (l = priv->children; l != NULL; l = l->next)
|
|
{
|
|
child = l->data;
|
|
if (!gtk_widget_get_visible (child->widget))
|
|
continue;
|
|
|
|
if (child->pack_type == packing)
|
|
side[packing] += sizes[i].minimum_size + priv->spacing;
|
|
|
|
i++;
|
|
}
|
|
}
|
|
|
|
/* figure out how much space is left on each side of the title,
|
|
* and earkmark that space for the expanded children.
|
|
*
|
|
* If the title itself is expanded, then it gets half the spoils
|
|
* from each side.
|
|
*/
|
|
for (packing = GTK_PACK_START; packing <= GTK_PACK_END; packing++)
|
|
{
|
|
gint side_free_space;
|
|
|
|
side_free_space = allocation->width / 2 - title_natural_size / 2 - side[packing];
|
|
|
|
if (side_free_space > 0 && nexpand_children[packing] > 0)
|
|
{
|
|
width -= side_free_space;
|
|
|
|
if (title_expands)
|
|
side_free_space -= side_free_space / 2;
|
|
|
|
side[packing] += side_free_space;
|
|
uniform_expand_bonus[packing] = side_free_space / nexpand_children[packing];
|
|
leftover_expand_bonus[packing] = side_free_space % nexpand_children[packing];
|
|
}
|
|
}
|
|
|
|
/* allocate the children on both sides of the title */
|
|
for (packing = GTK_PACK_START; packing <= GTK_PACK_END; packing++)
|
|
{
|
|
child_allocation.y = allocation->y;
|
|
child_allocation.height = height;
|
|
if (packing == GTK_PACK_START)
|
|
x = allocation->x + start_width;
|
|
else
|
|
x = allocation->x + allocation->width - end_width;
|
|
|
|
i = 0;
|
|
for (l = priv->children; l != NULL; l = l->next)
|
|
{
|
|
child = l->data;
|
|
if (!gtk_widget_get_visible (child->widget))
|
|
continue;
|
|
|
|
if (child->pack_type != packing)
|
|
goto next;
|
|
|
|
child_size = sizes[i].minimum_size;
|
|
|
|
/* if this child is expanded, give it extra space from the reserves */
|
|
if (gtk_widget_compute_expand (child->widget, GTK_ORIENTATION_HORIZONTAL))
|
|
{
|
|
gint expand_bonus;
|
|
|
|
expand_bonus = uniform_expand_bonus[packing];
|
|
|
|
if (leftover_expand_bonus[packing] > 0)
|
|
{
|
|
expand_bonus++;
|
|
leftover_expand_bonus[packing]--;
|
|
}
|
|
|
|
child_size += expand_bonus;
|
|
}
|
|
|
|
child_allocation.width = child_size;
|
|
|
|
if (packing == GTK_PACK_START)
|
|
{
|
|
child_allocation.x = x;
|
|
x += child_size;
|
|
x += priv->spacing;
|
|
}
|
|
else
|
|
{
|
|
x -= child_size;
|
|
child_allocation.x = x;
|
|
x -= priv->spacing;
|
|
}
|
|
|
|
if (direction == GTK_TEXT_DIR_RTL)
|
|
child_allocation.x = allocation->x + allocation->width - (child_allocation.x - allocation->x) - child_allocation.width;
|
|
|
|
gtk_widget_size_allocate (child->widget, &child_allocation, baseline, &child_clip);
|
|
gdk_rectangle_union (out_clip, &child_clip, out_clip);
|
|
|
|
next:
|
|
i++;
|
|
}
|
|
}
|
|
|
|
/* We don't enforce css borders on the center widget, to make
|
|
* title/subtitle combinations fit without growing the header
|
|
*/
|
|
child_allocation.y = allocation->y;
|
|
child_allocation.height = allocation->height;
|
|
|
|
child_size = MIN (allocation->width - side[0] - side[1], title_natural_size);
|
|
|
|
child_allocation.x = allocation->x + (allocation->width - child_size) / 2;
|
|
child_allocation.width = child_size;
|
|
|
|
/* if the title widget is expanded, then grow it by all the available
|
|
* free space, and recenter it
|
|
*/
|
|
if (title_expands && width > 0)
|
|
{
|
|
child_allocation.width += width;
|
|
child_allocation.x -= width / 2;
|
|
}
|
|
|
|
if (allocation->x + side[0] > child_allocation.x)
|
|
child_allocation.x = allocation->x + side[0];
|
|
else if (allocation->x + allocation->width - side[1] < child_allocation.x + child_allocation.width)
|
|
child_allocation.x = allocation->x + allocation->width - side[1] - child_allocation.width;
|
|
|
|
if (direction == GTK_TEXT_DIR_RTL)
|
|
child_allocation.x = allocation->x + allocation->width - (child_allocation.x - allocation->x) - child_allocation.width;
|
|
|
|
if (title_widget != NULL)
|
|
{
|
|
gtk_widget_size_allocate (title_widget, &child_allocation, baseline, &child_clip);
|
|
gdk_rectangle_union (out_clip, &child_clip, out_clip);
|
|
}
|
|
|
|
child_allocation.y = allocation->y;
|
|
child_allocation.height = height;
|
|
|
|
if (priv->titlebar_start_box)
|
|
{
|
|
gboolean left = (direction == GTK_TEXT_DIR_LTR);
|
|
if (left)
|
|
child_allocation.x = allocation->x;
|
|
else
|
|
child_allocation.x = allocation->x + allocation->width - start_width + priv->spacing;
|
|
child_allocation.width = start_width - priv->spacing;
|
|
gtk_widget_size_allocate (priv->titlebar_start_box, &child_allocation, baseline, &child_clip);
|
|
gdk_rectangle_union (out_clip, &child_clip, out_clip);
|
|
}
|
|
|
|
if (priv->titlebar_end_box)
|
|
{
|
|
gboolean left = (direction != GTK_TEXT_DIR_LTR);
|
|
if (left)
|
|
child_allocation.x = allocation->x;
|
|
else
|
|
child_allocation.x = allocation->x + allocation->width - end_width + priv->spacing;
|
|
child_allocation.width = end_width - priv->spacing;
|
|
gtk_widget_size_allocate (priv->titlebar_end_box, &child_allocation, baseline, &child_clip);
|
|
gdk_rectangle_union (out_clip, &child_clip, out_clip);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_header_bar_set_title:
|
|
* @bar: a #GtkHeaderBar
|
|
* @title: (allow-none): a title, or %NULL
|
|
*
|
|
* Sets the title of the #GtkHeaderBar. The title should help a user
|
|
* identify the current view. A good title should not include the
|
|
* application name.
|
|
*
|
|
* Since: 3.10
|
|
*/
|
|
void
|
|
gtk_header_bar_set_title (GtkHeaderBar *bar,
|
|
const gchar *title)
|
|
{
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
gchar *new_title;
|
|
|
|
g_return_if_fail (GTK_IS_HEADER_BAR (bar));
|
|
|
|
new_title = g_strdup (title);
|
|
g_free (priv->title);
|
|
priv->title = new_title;
|
|
|
|
if (priv->title_label != NULL)
|
|
{
|
|
gtk_label_set_label (GTK_LABEL (priv->title_label), priv->title);
|
|
gtk_widget_queue_resize (GTK_WIDGET (bar));
|
|
}
|
|
|
|
g_object_notify_by_pspec (G_OBJECT (bar), header_bar_props[PROP_TITLE]);
|
|
}
|
|
|
|
/**
|
|
* gtk_header_bar_get_title:
|
|
* @bar: a #GtkHeaderBar
|
|
*
|
|
* Retrieves the title of the header. See gtk_header_bar_set_title().
|
|
*
|
|
* Returns: (nullable): the title of the header, or %NULL if none has
|
|
* been set explicitly. The returned string is owned by the widget
|
|
* and must not be modified or freed.
|
|
*
|
|
* Since: 3.10
|
|
*/
|
|
const gchar *
|
|
gtk_header_bar_get_title (GtkHeaderBar *bar)
|
|
{
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
|
|
g_return_val_if_fail (GTK_IS_HEADER_BAR (bar), NULL);
|
|
|
|
return priv->title;
|
|
}
|
|
|
|
/**
|
|
* gtk_header_bar_set_subtitle:
|
|
* @bar: a #GtkHeaderBar
|
|
* @subtitle: (allow-none): a subtitle, or %NULL
|
|
*
|
|
* Sets the subtitle of the #GtkHeaderBar. The title should give a user
|
|
* an additional detail to help him identify the current view.
|
|
*
|
|
* Note that GtkHeaderBar by default reserves room for the subtitle,
|
|
* even if none is currently set. If this is not desired, set the
|
|
* #GtkHeaderBar:has-subtitle property to %FALSE.
|
|
*
|
|
* Since: 3.10
|
|
*/
|
|
void
|
|
gtk_header_bar_set_subtitle (GtkHeaderBar *bar,
|
|
const gchar *subtitle)
|
|
{
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
gchar *new_subtitle;
|
|
|
|
g_return_if_fail (GTK_IS_HEADER_BAR (bar));
|
|
|
|
new_subtitle = g_strdup (subtitle);
|
|
g_free (priv->subtitle);
|
|
priv->subtitle = new_subtitle;
|
|
|
|
if (priv->subtitle_label != NULL)
|
|
{
|
|
gtk_label_set_label (GTK_LABEL (priv->subtitle_label), priv->subtitle);
|
|
gtk_widget_set_visible (priv->subtitle_label, priv->subtitle && priv->subtitle[0]);
|
|
gtk_widget_queue_resize (GTK_WIDGET (bar));
|
|
}
|
|
|
|
gtk_widget_set_visible (priv->subtitle_sizing_label, priv->has_subtitle || (priv->subtitle && priv->subtitle[0]));
|
|
|
|
g_object_notify_by_pspec (G_OBJECT (bar), header_bar_props[PROP_SUBTITLE]);
|
|
}
|
|
|
|
/**
|
|
* gtk_header_bar_get_subtitle:
|
|
* @bar: a #GtkHeaderBar
|
|
*
|
|
* Retrieves the subtitle of the header. See gtk_header_bar_set_subtitle().
|
|
*
|
|
* Returns: (nullable): the subtitle of the header, or %NULL if none has
|
|
* been set explicitly. The returned string is owned by the widget
|
|
* and must not be modified or freed.
|
|
*
|
|
* Since: 3.10
|
|
*/
|
|
const gchar *
|
|
gtk_header_bar_get_subtitle (GtkHeaderBar *bar)
|
|
{
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
|
|
g_return_val_if_fail (GTK_IS_HEADER_BAR (bar), NULL);
|
|
|
|
return priv->subtitle;
|
|
}
|
|
|
|
/**
|
|
* gtk_header_bar_set_custom_title:
|
|
* @bar: a #GtkHeaderBar
|
|
* @title_widget: (allow-none): a custom widget to use for a title
|
|
*
|
|
* Sets a custom title for the #GtkHeaderBar.
|
|
*
|
|
* The title should help a user identify the current view. This
|
|
* supersedes any title set by gtk_header_bar_set_title() or
|
|
* gtk_header_bar_set_subtitle(). To achieve the same style as
|
|
* the builtin title and subtitle, use the “title” and “subtitle”
|
|
* style classes.
|
|
*
|
|
* You should set the custom title to %NULL, for the header title
|
|
* label to be visible again.
|
|
*
|
|
* Since: 3.10
|
|
*/
|
|
void
|
|
gtk_header_bar_set_custom_title (GtkHeaderBar *bar,
|
|
GtkWidget *title_widget)
|
|
{
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
|
|
g_return_if_fail (GTK_IS_HEADER_BAR (bar));
|
|
if (title_widget)
|
|
g_return_if_fail (GTK_IS_WIDGET (title_widget));
|
|
|
|
/* No need to do anything if the custom widget stays the same */
|
|
if (priv->custom_title == title_widget)
|
|
return;
|
|
|
|
if (priv->custom_title)
|
|
{
|
|
GtkWidget *custom = priv->custom_title;
|
|
|
|
priv->custom_title = NULL;
|
|
gtk_widget_unparent (custom);
|
|
}
|
|
|
|
if (title_widget != NULL)
|
|
{
|
|
priv->custom_title = title_widget;
|
|
|
|
gtk_header_bar_reorder_css_node (bar, GTK_PACK_START, priv->custom_title);
|
|
gtk_widget_set_parent (priv->custom_title, GTK_WIDGET (bar));
|
|
gtk_widget_set_valign (priv->custom_title, GTK_ALIGN_CENTER);
|
|
|
|
if (priv->label_box != NULL)
|
|
{
|
|
GtkWidget *label_box = priv->label_box;
|
|
|
|
priv->label_box = NULL;
|
|
priv->title_label = NULL;
|
|
priv->subtitle_label = NULL;
|
|
gtk_widget_unparent (label_box);
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
if (priv->label_box == NULL)
|
|
construct_label_box (bar);
|
|
}
|
|
|
|
gtk_widget_queue_resize (GTK_WIDGET (bar));
|
|
|
|
g_object_notify_by_pspec (G_OBJECT (bar), header_bar_props[PROP_CUSTOM_TITLE]);
|
|
}
|
|
|
|
/**
|
|
* gtk_header_bar_get_custom_title:
|
|
* @bar: a #GtkHeaderBar
|
|
*
|
|
* Retrieves the custom title widget of the header. See
|
|
* gtk_header_bar_set_custom_title().
|
|
*
|
|
* Returns: (nullable) (transfer none): the custom title widget
|
|
* of the header, or %NULL if none has been set explicitly.
|
|
*
|
|
* Since: 3.10
|
|
*/
|
|
GtkWidget *
|
|
gtk_header_bar_get_custom_title (GtkHeaderBar *bar)
|
|
{
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
|
|
g_return_val_if_fail (GTK_IS_HEADER_BAR (bar), NULL);
|
|
|
|
return priv->custom_title;
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_destroy (GtkWidget *widget)
|
|
{
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (GTK_HEADER_BAR (widget));
|
|
|
|
if (priv->label_sizing_box)
|
|
{
|
|
gtk_widget_destroy (priv->label_sizing_box);
|
|
g_clear_object (&priv->label_sizing_box);
|
|
}
|
|
|
|
if (priv->custom_title)
|
|
{
|
|
gtk_widget_unparent (priv->custom_title);
|
|
priv->custom_title = NULL;
|
|
}
|
|
|
|
if (priv->label_box)
|
|
{
|
|
gtk_widget_unparent (priv->label_box);
|
|
priv->label_box = NULL;
|
|
}
|
|
|
|
if (priv->titlebar_start_box)
|
|
{
|
|
gtk_widget_unparent (priv->titlebar_start_box);
|
|
priv->titlebar_start_box = NULL;
|
|
priv->titlebar_start_separator = NULL;
|
|
}
|
|
|
|
if (priv->titlebar_end_box)
|
|
{
|
|
gtk_widget_unparent (priv->titlebar_end_box);
|
|
priv->titlebar_end_box = NULL;
|
|
priv->titlebar_end_separator = NULL;
|
|
}
|
|
|
|
GTK_WIDGET_CLASS (gtk_header_bar_parent_class)->destroy (widget);
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_finalize (GObject *object)
|
|
{
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (GTK_HEADER_BAR (object));
|
|
|
|
g_free (priv->title);
|
|
g_free (priv->subtitle);
|
|
g_free (priv->decoration_layout);
|
|
|
|
G_OBJECT_CLASS (gtk_header_bar_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_get_property (GObject *object,
|
|
guint prop_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkHeaderBar *bar = GTK_HEADER_BAR (object);
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_TITLE:
|
|
g_value_set_string (value, priv->title);
|
|
break;
|
|
|
|
case PROP_SUBTITLE:
|
|
g_value_set_string (value, priv->subtitle);
|
|
break;
|
|
|
|
case PROP_CUSTOM_TITLE:
|
|
g_value_set_object (value, priv->custom_title);
|
|
break;
|
|
|
|
case PROP_SPACING:
|
|
g_value_set_int (value, priv->spacing);
|
|
break;
|
|
|
|
case PROP_SHOW_CLOSE_BUTTON:
|
|
g_value_set_boolean (value, gtk_header_bar_get_show_close_button (bar));
|
|
break;
|
|
|
|
case PROP_HAS_SUBTITLE:
|
|
g_value_set_boolean (value, gtk_header_bar_get_has_subtitle (bar));
|
|
break;
|
|
|
|
case PROP_DECORATION_LAYOUT:
|
|
g_value_set_string (value, gtk_header_bar_get_decoration_layout (bar));
|
|
break;
|
|
|
|
case PROP_DECORATION_LAYOUT_SET:
|
|
g_value_set_boolean (value, priv->decoration_layout_set);
|
|
break;
|
|
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_set_property (GObject *object,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkHeaderBar *bar = GTK_HEADER_BAR (object);
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_TITLE:
|
|
gtk_header_bar_set_title (bar, g_value_get_string (value));
|
|
break;
|
|
|
|
case PROP_SUBTITLE:
|
|
gtk_header_bar_set_subtitle (bar, g_value_get_string (value));
|
|
break;
|
|
|
|
case PROP_CUSTOM_TITLE:
|
|
gtk_header_bar_set_custom_title (bar, g_value_get_object (value));
|
|
break;
|
|
|
|
case PROP_SPACING:
|
|
if (priv->spacing != g_value_get_int (value))
|
|
{
|
|
priv->spacing = g_value_get_int (value);
|
|
gtk_widget_queue_resize (GTK_WIDGET (bar));
|
|
g_object_notify_by_pspec (object, pspec);
|
|
}
|
|
break;
|
|
|
|
case PROP_SHOW_CLOSE_BUTTON:
|
|
gtk_header_bar_set_show_close_button (bar, g_value_get_boolean (value));
|
|
break;
|
|
|
|
case PROP_HAS_SUBTITLE:
|
|
gtk_header_bar_set_has_subtitle (bar, g_value_get_boolean (value));
|
|
break;
|
|
|
|
case PROP_DECORATION_LAYOUT:
|
|
gtk_header_bar_set_decoration_layout (bar, g_value_get_string (value));
|
|
break;
|
|
|
|
case PROP_DECORATION_LAYOUT_SET:
|
|
priv->decoration_layout_set = g_value_get_boolean (value);
|
|
break;
|
|
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
notify_child_cb (GObject *child,
|
|
GParamSpec *pspec,
|
|
GtkHeaderBar *bar)
|
|
{
|
|
_gtk_header_bar_update_separator_visibility (bar);
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_pack (GtkHeaderBar *bar,
|
|
GtkWidget *widget,
|
|
GtkPackType pack_type)
|
|
{
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
Child *child;
|
|
|
|
g_return_if_fail (gtk_widget_get_parent (widget) == NULL);
|
|
|
|
child = g_new (Child, 1);
|
|
child->widget = widget;
|
|
child->pack_type = pack_type;
|
|
|
|
priv->children = g_list_append (priv->children, child);
|
|
|
|
gtk_widget_freeze_child_notify (widget);
|
|
gtk_header_bar_reorder_css_node (bar, GTK_PACK_START, widget);
|
|
gtk_widget_set_parent (widget, GTK_WIDGET (bar));
|
|
g_signal_connect (widget, "notify::visible", G_CALLBACK (notify_child_cb), bar);
|
|
gtk_widget_child_notify (widget, "pack-type");
|
|
gtk_widget_child_notify (widget, "position");
|
|
gtk_widget_thaw_child_notify (widget);
|
|
|
|
_gtk_header_bar_update_separator_visibility (bar);
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_add (GtkContainer *container,
|
|
GtkWidget *child)
|
|
{
|
|
gtk_header_bar_pack (GTK_HEADER_BAR (container), child, GTK_PACK_START);
|
|
}
|
|
|
|
static GList *
|
|
find_child_link (GtkHeaderBar *bar,
|
|
GtkWidget *widget,
|
|
gint *position)
|
|
{
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
GList *l;
|
|
Child *child;
|
|
gint i;
|
|
|
|
for (l = priv->children, i = 0; l; l = l->next, i++)
|
|
{
|
|
child = l->data;
|
|
if (child->widget == widget)
|
|
{
|
|
if (position)
|
|
*position = i;
|
|
return l;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_remove (GtkContainer *container,
|
|
GtkWidget *widget)
|
|
{
|
|
GtkHeaderBar *bar = GTK_HEADER_BAR (container);
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
GList *l;
|
|
Child *child;
|
|
|
|
l = find_child_link (bar, widget, NULL);
|
|
if (l)
|
|
{
|
|
child = l->data;
|
|
g_signal_handlers_disconnect_by_func (widget, notify_child_cb, bar);
|
|
gtk_widget_unparent (child->widget);
|
|
priv->children = g_list_delete_link (priv->children, l);
|
|
g_free (child);
|
|
gtk_widget_queue_resize (GTK_WIDGET (container));
|
|
_gtk_header_bar_update_separator_visibility (bar);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_forall (GtkContainer *container,
|
|
GtkCallback callback,
|
|
gpointer callback_data)
|
|
{
|
|
GtkHeaderBar *bar = GTK_HEADER_BAR (container);
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
Child *child;
|
|
GList *children;
|
|
|
|
children = priv->children;
|
|
while (children)
|
|
{
|
|
child = children->data;
|
|
children = children->next;
|
|
if (child->pack_type == GTK_PACK_START)
|
|
(* callback) (child->widget, callback_data);
|
|
}
|
|
|
|
if (priv->custom_title != NULL)
|
|
(* callback) (priv->custom_title, callback_data);
|
|
|
|
children = priv->children;
|
|
while (children)
|
|
{
|
|
child = children->data;
|
|
children = children->next;
|
|
if (child->pack_type == GTK_PACK_END)
|
|
(* callback) (child->widget, callback_data);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_reorder_child (GtkHeaderBar *bar,
|
|
GtkWidget *widget,
|
|
gint position)
|
|
{
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
GList *l;
|
|
gint old_position;
|
|
Child *child;
|
|
|
|
l = find_child_link (bar, widget, &old_position);
|
|
|
|
if (l == NULL)
|
|
return;
|
|
|
|
if (old_position == position)
|
|
return;
|
|
|
|
child = l->data;
|
|
priv->children = g_list_delete_link (priv->children, l);
|
|
|
|
if (position < 0)
|
|
l = NULL;
|
|
else
|
|
l = g_list_nth (priv->children, position);
|
|
|
|
priv->children = g_list_insert_before (priv->children, l, child);
|
|
gtk_header_bar_reorder_css_node (bar, child->pack_type, widget);
|
|
gtk_widget_child_notify (widget, "position");
|
|
gtk_widget_queue_resize (widget);
|
|
}
|
|
|
|
static GType
|
|
gtk_header_bar_child_type (GtkContainer *container)
|
|
{
|
|
return GTK_TYPE_WIDGET;
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_get_child_property (GtkContainer *container,
|
|
GtkWidget *widget,
|
|
guint property_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkHeaderBar *bar = GTK_HEADER_BAR (container);
|
|
GtkHeaderBarPrivate *priv = gtk_header_bar_get_instance_private (bar);
|
|
GList *l;
|
|
Child *child;
|
|
|
|
l = find_child_link (bar, widget, NULL);
|
|
if (l == NULL)
|
|
{
|
|
g_param_value_set_default (pspec, value);
|
|
return;
|
|
}
|
|
|
|
child = l->data;
|
|
|
|
switch (property_id)
|
|
{
|
|
case CHILD_PROP_PACK_TYPE:
|
|
g_value_set_enum (value, child->pack_type);
|
|
break;
|
|
|
|
case CHILD_PROP_POSITION:
|
|
g_value_set_int (value, g_list_position (priv->children, l));
|
|
break;
|
|
|
|
default:
|
|
GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_set_child_property (GtkContainer *container,
|
|
GtkWidget *widget,
|
|
guint property_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkHeaderBar *bar = GTK_HEADER_BAR (container);
|
|
GList *l;
|
|
Child *child;
|
|
|
|
l = find_child_link (bar, widget, NULL);
|
|
if (l == NULL)
|
|
return;
|
|
|
|
child = l->data;
|
|
|
|
switch (property_id)
|
|
{
|
|
case CHILD_PROP_PACK_TYPE:
|
|
child->pack_type = g_value_get_enum (value);
|
|
_gtk_header_bar_update_separator_visibility (bar);
|
|
gtk_widget_queue_resize (widget);
|
|
break;
|
|
|
|
case CHILD_PROP_POSITION:
|
|
gtk_header_bar_reorder_child (bar, widget, g_value_get_int (value));
|
|
break;
|
|
|
|
default:
|
|
GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_realize (GtkWidget *widget)
|
|
{
|
|
GtkSettings *settings;
|
|
|
|
GTK_WIDGET_CLASS (gtk_header_bar_parent_class)->realize (widget);
|
|
|
|
settings = gtk_widget_get_settings (widget);
|
|
g_signal_connect_swapped (settings, "notify::gtk-shell-shows-app-menu",
|
|
G_CALLBACK (_gtk_header_bar_update_window_buttons), widget);
|
|
g_signal_connect_swapped (settings, "notify::gtk-decoration-layout",
|
|
G_CALLBACK (_gtk_header_bar_update_window_buttons), widget);
|
|
_gtk_header_bar_update_window_buttons (GTK_HEADER_BAR (widget));
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_unrealize (GtkWidget *widget)
|
|
{
|
|
GtkSettings *settings;
|
|
|
|
settings = gtk_widget_get_settings (widget);
|
|
|
|
g_signal_handlers_disconnect_by_func (settings, _gtk_header_bar_update_window_buttons, widget);
|
|
|
|
GTK_WIDGET_CLASS (gtk_header_bar_parent_class)->unrealize (widget);
|
|
}
|
|
|
|
static gboolean
|
|
window_state_changed (GtkWidget *window,
|
|
GdkEventWindowState *event,
|
|
gpointer data)
|
|
{
|
|
GtkHeaderBar *bar = GTK_HEADER_BAR (data);
|
|
GdkWindowState changed, new_state;
|
|
|
|
gdk_event_get_window_state ((GdkEvent *)event, &changed, &new_state);
|
|
if (changed & (GDK_WINDOW_STATE_FULLSCREEN |
|
|
GDK_WINDOW_STATE_MAXIMIZED |
|
|
GDK_WINDOW_STATE_TILED |
|
|
GDK_WINDOW_STATE_TOP_TILED |
|
|
GDK_WINDOW_STATE_RIGHT_TILED |
|
|
GDK_WINDOW_STATE_BOTTOM_TILED |
|
|
GDK_WINDOW_STATE_LEFT_TILED))
|
|
_gtk_header_bar_update_window_buttons (bar);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_hierarchy_changed (GtkWidget *widget,
|
|
GtkWidget *previous_toplevel)
|
|
{
|
|
GtkWidget *toplevel;
|
|
GtkHeaderBar *bar = GTK_HEADER_BAR (widget);
|
|
|
|
toplevel = gtk_widget_get_toplevel (widget);
|
|
|
|
if (previous_toplevel)
|
|
g_signal_handlers_disconnect_by_func (previous_toplevel,
|
|
window_state_changed, widget);
|
|
|
|
if (toplevel)
|
|
g_signal_connect_after (toplevel, "window-state-event",
|
|
G_CALLBACK (window_state_changed), widget);
|
|
|
|
_gtk_header_bar_update_window_buttons (bar);
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_direction_changed (GtkWidget *widget,
|
|
GtkTextDirection previous_direction)
|
|
{
|
|
GTK_WIDGET_CLASS (gtk_header_bar_parent_class)->direction_changed (widget, previous_direction);
|
|
|
|
gtk_css_node_reverse_children (gtk_widget_get_css_node (widget));
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_class_init (GtkHeaderBarClass *class)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (class);
|
|
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
|
|
GtkContainerClass *container_class = GTK_CONTAINER_CLASS (class);
|
|
|
|
object_class->finalize = gtk_header_bar_finalize;
|
|
object_class->get_property = gtk_header_bar_get_property;
|
|
object_class->set_property = gtk_header_bar_set_property;
|
|
|
|
widget_class->destroy = gtk_header_bar_destroy;
|
|
widget_class->size_allocate = gtk_header_bar_size_allocate;
|
|
widget_class->measure = gtk_header_bar_measure;
|
|
widget_class->realize = gtk_header_bar_realize;
|
|
widget_class->unrealize = gtk_header_bar_unrealize;
|
|
widget_class->hierarchy_changed = gtk_header_bar_hierarchy_changed;
|
|
widget_class->direction_changed = gtk_header_bar_direction_changed;
|
|
|
|
container_class->add = gtk_header_bar_add;
|
|
container_class->remove = gtk_header_bar_remove;
|
|
container_class->forall = gtk_header_bar_forall;
|
|
container_class->child_type = gtk_header_bar_child_type;
|
|
container_class->set_child_property = gtk_header_bar_set_child_property;
|
|
container_class->get_child_property = gtk_header_bar_get_child_property;
|
|
|
|
gtk_container_class_install_child_property (container_class,
|
|
CHILD_PROP_PACK_TYPE,
|
|
g_param_spec_enum ("pack-type",
|
|
P_("Pack type"),
|
|
P_("A GtkPackType indicating whether the child is packed with reference to the start or end of the parent"),
|
|
GTK_TYPE_PACK_TYPE, GTK_PACK_START,
|
|
GTK_PARAM_READWRITE));
|
|
gtk_container_class_install_child_property (container_class,
|
|
CHILD_PROP_POSITION,
|
|
g_param_spec_int ("position",
|
|
P_("Position"),
|
|
P_("The index of the child in the parent"),
|
|
-1, G_MAXINT, 0,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
header_bar_props[PROP_TITLE] =
|
|
g_param_spec_string ("title",
|
|
P_("Title"),
|
|
P_("The title to display"),
|
|
NULL,
|
|
G_PARAM_READWRITE);
|
|
|
|
header_bar_props[PROP_SUBTITLE] =
|
|
g_param_spec_string ("subtitle",
|
|
P_("Subtitle"),
|
|
P_("The subtitle to display"),
|
|
NULL,
|
|
G_PARAM_READWRITE);
|
|
|
|
header_bar_props[PROP_CUSTOM_TITLE] =
|
|
g_param_spec_object ("custom-title",
|
|
P_("Custom Title"),
|
|
P_("Custom title widget to display"),
|
|
GTK_TYPE_WIDGET,
|
|
G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS);
|
|
|
|
header_bar_props[PROP_SPACING] =
|
|
g_param_spec_int ("spacing",
|
|
P_("Spacing"),
|
|
P_("The amount of space between children"),
|
|
0, G_MAXINT,
|
|
DEFAULT_SPACING,
|
|
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
|
|
|
|
/**
|
|
* GtkHeaderBar:show-close-button:
|
|
*
|
|
* Whether to show window decorations.
|
|
*
|
|
* Which buttons are actually shown and where is determined
|
|
* by the #GtkHeaderBar:decoration-layout property, and by
|
|
* the state of the window (e.g. a close button will not be
|
|
* shown if the window can't be closed).
|
|
*/
|
|
header_bar_props[PROP_SHOW_CLOSE_BUTTON] =
|
|
g_param_spec_boolean ("show-close-button",
|
|
P_("Show decorations"),
|
|
P_("Whether to show window decorations"),
|
|
FALSE,
|
|
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
|
|
|
|
/**
|
|
* GtkHeaderBar:decoration-layout:
|
|
*
|
|
* The decoration layout for buttons. If this property is
|
|
* not set, the #GtkSettings:gtk-decoration-layout setting
|
|
* is used.
|
|
*
|
|
* See gtk_header_bar_set_decoration_layout() for information
|
|
* about the format of this string.
|
|
*
|
|
* Since: 3.12
|
|
*/
|
|
header_bar_props[PROP_DECORATION_LAYOUT] =
|
|
g_param_spec_string ("decoration-layout",
|
|
P_("Decoration Layout"),
|
|
P_("The layout for window decorations"),
|
|
NULL,
|
|
GTK_PARAM_READWRITE);
|
|
|
|
/**
|
|
* GtkHeaderBar:decoration-layout-set:
|
|
*
|
|
* Set to %TRUE if #GtkHeaderBar:decoration-layout is set.
|
|
*
|
|
* Since: 3.12
|
|
*/
|
|
header_bar_props[PROP_DECORATION_LAYOUT_SET] =
|
|
g_param_spec_boolean ("decoration-layout-set",
|
|
P_("Decoration Layout Set"),
|
|
P_("Whether the decoration-layout property has been set"),
|
|
FALSE,
|
|
GTK_PARAM_READWRITE);
|
|
|
|
/**
|
|
* GtkHeaderBar:has-subtitle:
|
|
*
|
|
* If %TRUE, reserve space for a subtitle, even if none
|
|
* is currently set.
|
|
*
|
|
* Since: 3.12
|
|
*/
|
|
header_bar_props[PROP_HAS_SUBTITLE] =
|
|
g_param_spec_boolean ("has-subtitle",
|
|
P_("Has Subtitle"),
|
|
P_("Whether to reserve space for a subtitle"),
|
|
TRUE,
|
|
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
|
|
|
|
g_object_class_install_properties (object_class, LAST_PROP, header_bar_props);
|
|
|
|
gtk_widget_class_set_accessible_role (widget_class, ATK_ROLE_PANEL);
|
|
gtk_widget_class_set_css_name (widget_class, "headerbar");
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_init (GtkHeaderBar *bar)
|
|
{
|
|
GtkHeaderBarPrivate *priv;
|
|
|
|
priv = gtk_header_bar_get_instance_private (bar);
|
|
|
|
gtk_widget_set_has_window (GTK_WIDGET (bar), FALSE);
|
|
|
|
priv->title = NULL;
|
|
priv->subtitle = NULL;
|
|
priv->custom_title = NULL;
|
|
priv->children = NULL;
|
|
priv->spacing = DEFAULT_SPACING;
|
|
priv->has_subtitle = TRUE;
|
|
priv->decoration_layout = NULL;
|
|
priv->decoration_layout_set = FALSE;
|
|
priv->shows_app_menu = FALSE;
|
|
|
|
init_sizing_box (bar);
|
|
construct_label_box (bar);
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_buildable_add_child (GtkBuildable *buildable,
|
|
GtkBuilder *builder,
|
|
GObject *child,
|
|
const gchar *type)
|
|
{
|
|
if (type && strcmp (type, "title") == 0)
|
|
gtk_header_bar_set_custom_title (GTK_HEADER_BAR (buildable), GTK_WIDGET (child));
|
|
else if (!type)
|
|
gtk_container_add (GTK_CONTAINER (buildable), GTK_WIDGET (child));
|
|
else
|
|
GTK_BUILDER_WARN_INVALID_CHILD_TYPE (GTK_HEADER_BAR (buildable), type);
|
|
}
|
|
|
|
static void
|
|
gtk_header_bar_buildable_init (GtkBuildableIface *iface)
|
|
{
|
|
iface->add_child = gtk_header_bar_buildable_add_child;
|
|
}
|
|
|
|
/**
|
|
* gtk_header_bar_pack_start:
|
|
* @bar: A #GtkHeaderBar
|
|
* @child: the #GtkWidget to be added to @bar
|
|
*
|
|
* Adds @child to @bar, packed with reference to the
|
|
* start of the @bar.
|
|
*
|
|
* Since: 3.10
|
|
*/
|
|
void
|
|
gtk_header_bar_pack_start (GtkHeaderBar *bar,
|
|
GtkWidget *child)
|
|
{
|
|
gtk_header_bar_pack (bar, child, GTK_PACK_START);
|
|
}
|
|
|
|
/**
|
|
* gtk_header_bar_pack_end:
|
|
* @bar: A #GtkHeaderBar
|
|
* @child: the #GtkWidget to be added to @bar
|
|
*
|
|
* Adds @child to @bar, packed with reference to the
|
|
* end of the @bar.
|
|
*
|
|
* Since: 3.10
|
|
*/
|
|
void
|
|
gtk_header_bar_pack_end (GtkHeaderBar *bar,
|
|
GtkWidget *child)
|
|
{
|
|
gtk_header_bar_pack (bar, child, GTK_PACK_END);
|
|
}
|
|
|
|
/**
|
|
* gtk_header_bar_new:
|
|
*
|
|
* Creates a new #GtkHeaderBar widget.
|
|
*
|
|
* Returns: a new #GtkHeaderBar
|
|
*
|
|
* Since: 3.10
|
|
*/
|
|
GtkWidget *
|
|
gtk_header_bar_new (void)
|
|
{
|
|
return GTK_WIDGET (g_object_new (GTK_TYPE_HEADER_BAR, NULL));
|
|
}
|
|
|
|
/**
|
|
* gtk_header_bar_get_show_close_button:
|
|
* @bar: a #GtkHeaderBar
|
|
*
|
|
* Returns whether this header bar shows the standard window
|
|
* decorations.
|
|
*
|
|
* Returns: %TRUE if the decorations are shown
|
|
*
|
|
* Since: 3.10
|
|
*/
|
|
gboolean
|
|
gtk_header_bar_get_show_close_button (GtkHeaderBar *bar)
|
|
{
|
|
GtkHeaderBarPrivate *priv;
|
|
|
|
g_return_val_if_fail (GTK_IS_HEADER_BAR (bar), FALSE);
|
|
|
|
priv = gtk_header_bar_get_instance_private (bar);
|
|
|
|
return priv->shows_wm_decorations;
|
|
}
|
|
|
|
/**
|
|
* gtk_header_bar_set_show_close_button:
|
|
* @bar: a #GtkHeaderBar
|
|
* @setting: %TRUE to show standard window decorations
|
|
*
|
|
* Sets whether this header bar shows the standard window decorations,
|
|
* including close, maximize, and minimize.
|
|
*
|
|
* Since: 3.10
|
|
*/
|
|
void
|
|
gtk_header_bar_set_show_close_button (GtkHeaderBar *bar,
|
|
gboolean setting)
|
|
{
|
|
GtkHeaderBarPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_HEADER_BAR (bar));
|
|
|
|
priv = gtk_header_bar_get_instance_private (bar);
|
|
|
|
setting = setting != FALSE;
|
|
|
|
if (priv->shows_wm_decorations == setting)
|
|
return;
|
|
|
|
priv->shows_wm_decorations = setting;
|
|
_gtk_header_bar_update_window_buttons (bar);
|
|
g_object_notify_by_pspec (G_OBJECT (bar), header_bar_props[PROP_SHOW_CLOSE_BUTTON]);
|
|
}
|
|
|
|
/**
|
|
* gtk_header_bar_set_has_subtitle:
|
|
* @bar: a #GtkHeaderBar
|
|
* @setting: %TRUE to reserve space for a subtitle
|
|
*
|
|
* Sets whether the header bar should reserve space
|
|
* for a subtitle, even if none is currently set.
|
|
*
|
|
* Since: 3.12
|
|
*/
|
|
void
|
|
gtk_header_bar_set_has_subtitle (GtkHeaderBar *bar,
|
|
gboolean setting)
|
|
{
|
|
GtkHeaderBarPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_HEADER_BAR (bar));
|
|
|
|
priv = gtk_header_bar_get_instance_private (bar);
|
|
|
|
setting = setting != FALSE;
|
|
|
|
if (priv->has_subtitle == setting)
|
|
return;
|
|
|
|
priv->has_subtitle = setting;
|
|
gtk_widget_set_visible (priv->subtitle_sizing_label, setting || (priv->subtitle && priv->subtitle[0]));
|
|
|
|
gtk_widget_queue_resize (GTK_WIDGET (bar));
|
|
|
|
g_object_notify_by_pspec (G_OBJECT (bar), header_bar_props[PROP_HAS_SUBTITLE]);
|
|
}
|
|
|
|
/**
|
|
* gtk_header_bar_get_has_subtitle:
|
|
* @bar: a #GtkHeaderBar
|
|
*
|
|
* Retrieves whether the header bar reserves space for
|
|
* a subtitle, regardless if one is currently set or not.
|
|
*
|
|
* Returns: %TRUE if the header bar reserves space
|
|
* for a subtitle
|
|
*
|
|
* Since: 3.12
|
|
*/
|
|
gboolean
|
|
gtk_header_bar_get_has_subtitle (GtkHeaderBar *bar)
|
|
{
|
|
GtkHeaderBarPrivate *priv;
|
|
|
|
g_return_val_if_fail (GTK_IS_HEADER_BAR (bar), FALSE);
|
|
|
|
priv = gtk_header_bar_get_instance_private (bar);
|
|
|
|
return priv->has_subtitle;
|
|
}
|
|
|
|
/**
|
|
* gtk_header_bar_set_decoration_layout:
|
|
* @bar: a #GtkHeaderBar
|
|
* @layout: (allow-none): a decoration layout, or %NULL to
|
|
* unset the layout
|
|
*
|
|
* Sets the decoration layout for this header bar, overriding
|
|
* the #GtkSettings:gtk-decoration-layout setting.
|
|
*
|
|
* There can be valid reasons for overriding the setting, such
|
|
* as a header bar design that does not allow for buttons to take
|
|
* room on the right, or only offers room for a single close button.
|
|
* Split header bars are another example for overriding the
|
|
* setting.
|
|
*
|
|
* The format of the string is button names, separated by commas.
|
|
* A colon separates the buttons that should appear on the left
|
|
* from those on the right. Recognized button names are minimize,
|
|
* maximize, close, icon (the window icon) and menu (a menu button
|
|
* for the fallback app menu).
|
|
*
|
|
* For example, “menu:minimize,maximize,close” specifies a menu
|
|
* on the left, and minimize, maximize and close buttons on the right.
|
|
*
|
|
* Since: 3.12
|
|
*/
|
|
void
|
|
gtk_header_bar_set_decoration_layout (GtkHeaderBar *bar,
|
|
const gchar *layout)
|
|
{
|
|
GtkHeaderBarPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_HEADER_BAR (bar));
|
|
|
|
priv = gtk_header_bar_get_instance_private (bar);
|
|
|
|
priv->decoration_layout = g_strdup (layout);
|
|
priv->decoration_layout_set = (layout != NULL);
|
|
|
|
_gtk_header_bar_update_window_buttons (bar);
|
|
|
|
g_object_notify_by_pspec (G_OBJECT (bar), header_bar_props[PROP_DECORATION_LAYOUT]);
|
|
g_object_notify_by_pspec (G_OBJECT (bar), header_bar_props[PROP_DECORATION_LAYOUT_SET]);
|
|
}
|
|
|
|
/**
|
|
* gtk_header_bar_get_decoration_layout:
|
|
* @bar: a #GtkHeaderBar
|
|
*
|
|
* Gets the decoration layout set with
|
|
* gtk_header_bar_set_decoration_layout().
|
|
*
|
|
* Returns: the decoration layout
|
|
*
|
|
* Since: 3.12
|
|
*/
|
|
const gchar *
|
|
gtk_header_bar_get_decoration_layout (GtkHeaderBar *bar)
|
|
{
|
|
GtkHeaderBarPrivate *priv;
|
|
|
|
g_return_val_if_fail (GTK_IS_HEADER_BAR (bar), NULL);
|
|
|
|
priv = gtk_header_bar_get_instance_private (bar);
|
|
|
|
return priv->decoration_layout;
|
|
}
|