4781f94de2
This support goes from the theming engines, which are able to retrieve
style for different combined states to the CSS provider, where several
state pseudo-classes may be specified, such as:
GtkButton:active:prelight {}
192 lines
8.7 KiB
C
192 lines
8.7 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2010 Carlos Garnacho <carlosg@gnome.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GTK_THEMING_ENGINE_H__
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#define __GTK_THEMING_ENGINE_H__
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#include <glib-object.h>
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#include <cairo.h>
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#include <gtk/gtkstylecontext.h>
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#include <gtk/gtkwidgetpath.h>
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#include <gtk/gtkenums.h>
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G_BEGIN_DECLS
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#define GTK_TYPE_THEMING_ENGINE (gtk_theming_engine_get_type ())
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#define GTK_THEMING_ENGINE(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_THEMING_ENGINE, GtkThemingEngine))
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#define GTK_THEMING_ENGINE_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), GTK_TYPE_THEMING_ENGINE, GtkThemingEngineClass))
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#define GTK_IS_THEMING_ENGINE(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_THEMING_ENGINE))
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#define GTK_IS_THEMING_ENGINE_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), GTK_TYPE_THEMING_ENGINE))
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#define GTK_THEMING_ENGINE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_THEMING_ENGINE, GtkThemingEngineClass))
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typedef struct GtkThemingEngine GtkThemingEngine;
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typedef struct GtkThemingEngineClass GtkThemingEngineClass;
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struct GtkThemingEngine
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{
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GObject parent_object;
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gpointer priv;
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};
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struct GtkThemingEngineClass
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{
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GObjectClass parent_class;
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void (* render_line) (GtkThemingEngine *engine,
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cairo_t *cr,
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gdouble x0,
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gdouble y0,
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gdouble x1,
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gdouble y1);
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void (* render_background) (GtkThemingEngine *engine,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height);
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void (* render_frame) (GtkThemingEngine *engine,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height);
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void (* render_frame_gap) (GtkThemingEngine *engine,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height,
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GtkPositionType gap_side,
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gdouble xy0_gap,
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gdouble xy1_gap);
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void (* render_extension) (GtkThemingEngine *engine,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height,
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GtkPositionType gap_side);
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void (* render_check) (GtkThemingEngine *engine,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height);
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void (* render_option) (GtkThemingEngine *engine,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height);
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void (* render_arrow) (GtkThemingEngine *engine,
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cairo_t *cr,
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gdouble angle,
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gdouble x,
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gdouble y,
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gdouble size);
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void (* render_expander) (GtkThemingEngine *engine,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height);
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void (* render_focus) (GtkThemingEngine *engine,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height);
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void (* render_layout) (GtkThemingEngine *engine,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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PangoLayout *layout);
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void (* render_slider) (GtkThemingEngine *engine,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height,
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GtkOrientation orientation);
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void (* render_handle) (GtkThemingEngine *engine,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height,
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GtkOrientation orientation);
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};
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GType gtk_theming_engine_get_type (void) G_GNUC_CONST;
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void _gtk_theming_engine_set_context (GtkThemingEngine *engine,
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GtkStyleContext *context);
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void gtk_theming_engine_register_property (GtkThemingEngine *engine,
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const gchar *property_name,
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GType type,
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const GValue *default_value,
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GtkStylePropertyParser parse_func);
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void gtk_theming_engine_get_property (GtkThemingEngine *engine,
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const gchar *property,
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GtkStateFlags state,
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GValue *value);
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void gtk_theming_engine_get_valist (GtkThemingEngine *engine,
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GtkStateFlags state,
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va_list args);
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void gtk_theming_engine_get (GtkThemingEngine *engine,
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GtkStateFlags state,
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...) G_GNUC_NULL_TERMINATED;
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void gtk_theming_engine_get_style_property (GtkThemingEngine *engine,
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const gchar *property_name,
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GValue *value);
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void gtk_theming_engine_get_style_valist (GtkThemingEngine *engine,
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va_list args);
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void gtk_theming_engine_get_style (GtkThemingEngine *engine,
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...);
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G_CONST_RETURN GtkWidgetPath * gtk_theming_engine_get_path (GtkThemingEngine *engine);
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gboolean gtk_theming_engine_has_class (GtkThemingEngine *engine,
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const gchar *style_class);
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gboolean gtk_theming_engine_has_region (GtkThemingEngine *engine,
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const gchar *style_class,
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GtkRegionFlags *flags);
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GtkStateFlags gtk_theming_engine_get_state (GtkThemingEngine *engine);
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gboolean gtk_theming_engine_is_state_set (GtkThemingEngine *engine,
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GtkStateType state);
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GtkTextDirection gtk_theming_engine_get_direction (GtkThemingEngine *engine);
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GtkJunctionSides gtk_theming_engine_get_junction_sides (GtkThemingEngine *engine);
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G_CONST_RETURN GtkThemingEngine * gtk_theming_engine_load (const gchar *name);
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GdkScreen * gtk_theming_engine_get_screen (GtkThemingEngine *engine);
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G_END_DECLS
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#endif /* __GTK_THEMING_ENGINE_H__ */
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