d80bf0790d
Regions are done in a very non-css way. They don't fit the DOM in that they don't integrate into the CSS tree and they have very weird matching behavior in selectors. So I'm deprecating them now. GtkNotebook and GtkTreeview will continue to use them and as long as they do, we can't remove the code for it. But once those are ported it might be safe to remove the code as it will clean up lots of places in the code by quite a bit.
293 lines
13 KiB
C
293 lines
13 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, see <http://www.gnu.org/licenses/>.
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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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#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#include <glib-object.h>
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#include <cairo.h>
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#include <gtk/gtkborder.h>
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#include <gtk/gtkenums.h>
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#include <gtk/gtkstyleproperties.h>
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#include <gtk/gtktypes.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 GtkThemingEnginePrivate GtkThemingEnginePrivate;
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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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GtkThemingEnginePrivate *priv;
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};
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/**
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* GtkThemingEngineClass:
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* @parent_class: The parent class.
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* @render_line: Renders a line between two points.
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* @render_background: Renders the background area of a widget region.
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* @render_frame: Renders the frame around a widget area.
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* @render_frame_gap: Renders the frame around a widget area with a gap in it.
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* @render_extension: Renders a extension to a box, usually a notebook tab.
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* @render_check: Renders a checkmark, as in #GtkCheckButton.
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* @render_option: Renders an option, as in #GtkRadioButton.
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* @render_arrow: Renders an arrow pointing to a certain direction.
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* @render_expander: Renders an element what will expose/expand part of
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* the UI, as in #GtkExpander.
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* @render_focus: Renders the focus indicator.
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* @render_layout: Renders a #PangoLayout
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* @render_slider: Renders a slider control, as in #GtkScale.
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* @render_handle: Renders a handle to drag UI elements, as in #GtkPaned.
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* @render_activity: Renders an area displaying activity, such as in #GtkSpinner,
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* or #GtkProgressBar.
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* @render_icon_pixbuf: Renders an icon as a #GdkPixbuf.
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* @render_icon: Renders an icon given as a #GdkPixbuf.
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* @render_icon_surface: Renders an icon given as a #cairo_surface_t.
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*
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* Base class for theming engines.
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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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/*< public >*/
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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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void (* render_activity) (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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GdkPixbuf * (* render_icon_pixbuf) (GtkThemingEngine *engine,
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const GtkIconSource *source,
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GtkIconSize size);
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void (* render_icon) (GtkThemingEngine *engine,
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cairo_t *cr,
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GdkPixbuf *pixbuf,
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gdouble x,
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gdouble y);
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void (* render_icon_surface) (GtkThemingEngine *engine,
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cairo_t *cr,
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cairo_surface_t *surface,
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gdouble x,
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gdouble y);
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/*< private >*/
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gpointer padding[14];
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};
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GDK_AVAILABLE_IN_ALL
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GType gtk_theming_engine_get_type (void) G_GNUC_CONST;
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/* function implemented in gtkcsscustomproperty.c */
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GDK_DEPRECATED_IN_3_8
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void gtk_theming_engine_register_property (const gchar *name_space,
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GtkStylePropertyParser parse_func,
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GParamSpec *pspec);
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GDK_AVAILABLE_IN_ALL
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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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GDK_AVAILABLE_IN_ALL
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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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GDK_AVAILABLE_IN_ALL
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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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GDK_AVAILABLE_IN_ALL
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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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GDK_AVAILABLE_IN_ALL
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void gtk_theming_engine_get_style_valist (GtkThemingEngine *engine,
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va_list args);
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GDK_AVAILABLE_IN_ALL
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void gtk_theming_engine_get_style (GtkThemingEngine *engine,
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...);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_theming_engine_lookup_color (GtkThemingEngine *engine,
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const gchar *color_name,
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GdkRGBA *color);
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GDK_AVAILABLE_IN_ALL
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const GtkWidgetPath * gtk_theming_engine_get_path (GtkThemingEngine *engine);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_theming_engine_has_class (GtkThemingEngine *engine,
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const gchar *style_class);
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GDK_DEPRECATED_IN_3_14
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gboolean gtk_theming_engine_has_region (GtkThemingEngine *engine,
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const gchar *style_region,
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GtkRegionFlags *flags);
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GDK_AVAILABLE_IN_ALL
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GtkStateFlags gtk_theming_engine_get_state (GtkThemingEngine *engine);
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GDK_DEPRECATED_IN_3_6
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gboolean gtk_theming_engine_state_is_running (GtkThemingEngine *engine,
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GtkStateType state,
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gdouble *progress);
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GDK_DEPRECATED_IN_3_8_FOR(gtk_theming_engine_get_state)
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GtkTextDirection gtk_theming_engine_get_direction (GtkThemingEngine *engine);
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GDK_AVAILABLE_IN_ALL
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GtkJunctionSides gtk_theming_engine_get_junction_sides (GtkThemingEngine *engine);
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/* Helper functions */
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GDK_AVAILABLE_IN_ALL
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void gtk_theming_engine_get_color (GtkThemingEngine *engine,
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GtkStateFlags state,
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GdkRGBA *color);
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GDK_AVAILABLE_IN_ALL
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void gtk_theming_engine_get_background_color (GtkThemingEngine *engine,
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GtkStateFlags state,
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GdkRGBA *color);
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GDK_AVAILABLE_IN_ALL
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void gtk_theming_engine_get_border_color (GtkThemingEngine *engine,
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GtkStateFlags state,
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GdkRGBA *color);
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GDK_AVAILABLE_IN_ALL
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void gtk_theming_engine_get_border (GtkThemingEngine *engine,
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GtkStateFlags state,
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GtkBorder *border);
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GDK_AVAILABLE_IN_ALL
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void gtk_theming_engine_get_padding (GtkThemingEngine *engine,
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GtkStateFlags state,
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GtkBorder *padding);
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GDK_AVAILABLE_IN_ALL
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void gtk_theming_engine_get_margin (GtkThemingEngine *engine,
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GtkStateFlags state,
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GtkBorder *margin);
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GDK_DEPRECATED_IN_3_8_FOR(gtk_theming_engine_get)
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const PangoFontDescription * gtk_theming_engine_get_font (GtkThemingEngine *engine,
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GtkStateFlags state);
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GDK_AVAILABLE_IN_ALL
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GtkThemingEngine * gtk_theming_engine_load (const gchar *name);
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GDK_AVAILABLE_IN_ALL
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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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