forked from AuroraMiddleware/gtk
309c6dfaf8
This avoid creating pango font descriptions all the time, when the gtk-font-name setting hasn't actually changed.
124 lines
3.6 KiB
C
124 lines
3.6 KiB
C
/* 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 "gtkcssinitialvalueprivate.h"
|
|
|
|
#include "gtkcssarrayvalueprivate.h"
|
|
#include "gtkcssnumbervalueprivate.h"
|
|
#include "gtkcssstringvalueprivate.h"
|
|
#include "gtkcssstylepropertyprivate.h"
|
|
#include "gtksettingsprivate.h"
|
|
#include "gtkstyleproviderprivate.h"
|
|
|
|
struct _GtkCssValue {
|
|
GTK_CSS_VALUE_BASE
|
|
};
|
|
|
|
static void
|
|
gtk_css_value_initial_free (GtkCssValue *value)
|
|
{
|
|
/* Can only happen if the unique value gets unreffed too often */
|
|
g_assert_not_reached ();
|
|
}
|
|
|
|
static GtkCssValue *
|
|
gtk_css_value_initial_compute (GtkCssValue *value,
|
|
guint property_id,
|
|
GtkStyleProviderPrivate *provider,
|
|
GtkCssStyle *style,
|
|
GtkCssStyle *parent_style)
|
|
{
|
|
GtkSettings *settings;
|
|
|
|
switch (property_id)
|
|
{
|
|
case GTK_CSS_PROPERTY_DPI:
|
|
settings = _gtk_style_provider_private_get_settings (provider);
|
|
if (settings)
|
|
{
|
|
GdkScreen *screen = _gtk_settings_get_screen (settings);
|
|
double resolution = gdk_screen_get_resolution (screen);
|
|
|
|
if (resolution > 0.0)
|
|
return _gtk_css_number_value_new (resolution, GTK_CSS_NUMBER);
|
|
}
|
|
break;
|
|
|
|
case GTK_CSS_PROPERTY_FONT_FAMILY:
|
|
settings = _gtk_style_provider_private_get_settings (provider);
|
|
if (settings && gtk_settings_get_font_family (settings) != NULL)
|
|
return _gtk_css_array_value_new (_gtk_css_string_value_new (gtk_settings_get_font_family (settings)));
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return _gtk_css_value_compute (_gtk_css_style_property_get_initial_value (_gtk_css_style_property_lookup_by_id (property_id)),
|
|
property_id,
|
|
provider,
|
|
style,
|
|
parent_style);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_css_value_initial_equal (const GtkCssValue *value1,
|
|
const GtkCssValue *value2)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
static GtkCssValue *
|
|
gtk_css_value_initial_transition (GtkCssValue *start,
|
|
GtkCssValue *end,
|
|
guint property_id,
|
|
double progress)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
gtk_css_value_initial_print (const GtkCssValue *value,
|
|
GString *string)
|
|
{
|
|
g_string_append (string, "initial");
|
|
}
|
|
|
|
static const GtkCssValueClass GTK_CSS_VALUE_INITIAL = {
|
|
gtk_css_value_initial_free,
|
|
gtk_css_value_initial_compute,
|
|
gtk_css_value_initial_equal,
|
|
gtk_css_value_initial_transition,
|
|
gtk_css_value_initial_print
|
|
};
|
|
|
|
static GtkCssValue initial = { >K_CSS_VALUE_INITIAL, 1 };
|
|
|
|
GtkCssValue *
|
|
_gtk_css_initial_value_new (void)
|
|
{
|
|
return _gtk_css_value_ref (&initial);
|
|
}
|
|
|
|
GtkCssValue *
|
|
_gtk_css_initial_value_get (void)
|
|
{
|
|
return &initial;
|
|
}
|