/* 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 G_GNUC_NORETURN 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, GtkStyleProvider *provider, GtkCssStyle *style, GtkCssStyle *parent_style) { GtkSettings *settings; switch (property_id) { case GTK_CSS_PROPERTY_DPI: settings = gtk_style_provider_get_settings (provider); if (settings) { int dpi_int; g_object_get (settings, "gtk-xft-dpi", &dpi_int, NULL); if (dpi_int > 0.0) return _gtk_css_number_value_new (dpi_int / 1024., GTK_CSS_NUMBER); } break; case GTK_CSS_PROPERTY_FONT_FAMILY: settings = gtk_style_provider_get_settings (provider); if (settings && gtk_settings_get_font_family (settings) != NULL) return _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 = { "GtkCssInitialValue", gtk_css_value_initial_free, gtk_css_value_initial_compute, gtk_css_value_initial_equal, gtk_css_value_initial_transition, NULL, NULL, 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; } GtkCssValue * _gtk_css_initial_value_new_compute (guint property_id, GtkStyleProvider *provider, GtkCssStyle *style, GtkCssStyle *parent_style) { return gtk_css_value_initial_compute (NULL, property_id, provider, style, parent_style); }