/* GTK - The GIMP Toolkit * Copyright (C) 2010 Carlos Garnacho * * 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 . */ #ifndef __GTK_THEMING_ENGINE_H__ #define __GTK_THEMING_ENGINE_H__ #if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION) #error "Only can be included directly." #endif #include #include #include #include #include #include G_BEGIN_DECLS #define GTK_TYPE_THEMING_ENGINE (gtk_theming_engine_get_type ()) #define GTK_THEMING_ENGINE(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_THEMING_ENGINE, GtkThemingEngine)) #define GTK_THEMING_ENGINE_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), GTK_TYPE_THEMING_ENGINE, GtkThemingEngineClass)) #define GTK_IS_THEMING_ENGINE(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_THEMING_ENGINE)) #define GTK_IS_THEMING_ENGINE_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), GTK_TYPE_THEMING_ENGINE)) #define GTK_THEMING_ENGINE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_THEMING_ENGINE, GtkThemingEngineClass)) typedef struct _GtkThemingEngine GtkThemingEngine; typedef struct GtkThemingEnginePrivate GtkThemingEnginePrivate; typedef struct _GtkThemingEngineClass GtkThemingEngineClass; struct _GtkThemingEngine { GObject parent_object; GtkThemingEnginePrivate *priv; }; /** * GtkThemingEngineClass: * @parent_class: The parent class. * @render_line: Renders a line between two points. * @render_background: Renders the background area of a widget region. * @render_frame: Renders the frame around a widget area. * @render_frame_gap: Renders the frame around a widget area with a gap in it. * @render_extension: Renders a extension to a box, usually a notebook tab. * @render_check: Renders a checkmark, as in #GtkCheckButton. * @render_option: Renders an option, as in #GtkRadioButton. * @render_arrow: Renders an arrow pointing to a certain direction. * @render_expander: Renders an element what will expose/expand part of * the UI, as in #GtkExpander. * @render_focus: Renders the focus indicator. * @render_layout: Renders a #PangoLayout * @render_slider: Renders a slider control, as in #GtkScale. * @render_handle: Renders a handle to drag UI elements, as in #GtkPaned. * @render_activity: Renders an area displaying activity, such as in #GtkSpinner, * or #GtkProgressBar. * @render_icon_pixbuf: Renders an icon as a #GdkPixbuf. * @render_icon: Renders an icon given as a #GdkPixbuf. * @render_icon_surface: Renders an icon given as a #cairo_surface_t. * * Base class for theming engines. */ struct _GtkThemingEngineClass { GObjectClass parent_class; /*< public >*/ void (* render_line) (GtkThemingEngine *engine, cairo_t *cr, gdouble x0, gdouble y0, gdouble x1, gdouble y1); void (* render_background) (GtkThemingEngine *engine, cairo_t *cr, gdouble x, gdouble y, gdouble width, gdouble height); void (* render_frame) (GtkThemingEngine *engine, cairo_t *cr, gdouble x, gdouble y, gdouble width, gdouble height); void (* render_frame_gap) (GtkThemingEngine *engine, cairo_t *cr, gdouble x, gdouble y, gdouble width, gdouble height, GtkPositionType gap_side, gdouble xy0_gap, gdouble xy1_gap); void (* render_extension) (GtkThemingEngine *engine, cairo_t *cr, gdouble x, gdouble y, gdouble width, gdouble height, GtkPositionType gap_side); void (* render_check) (GtkThemingEngine *engine, cairo_t *cr, gdouble x, gdouble y, gdouble width, gdouble height); void (* render_option) (GtkThemingEngine *engine, cairo_t *cr, gdouble x, gdouble y, gdouble width, gdouble height); void (* render_arrow) (GtkThemingEngine *engine, cairo_t *cr, gdouble angle, gdouble x, gdouble y, gdouble size); void (* render_expander) (GtkThemingEngine *engine, cairo_t *cr, gdouble x, gdouble y, gdouble width, gdouble height); void (* render_focus) (GtkThemingEngine *engine, cairo_t *cr, gdouble x, gdouble y, gdouble width, gdouble height); void (* render_layout) (GtkThemingEngine *engine, cairo_t *cr, gdouble x, gdouble y, PangoLayout *layout); void (* render_slider) (GtkThemingEngine *engine, cairo_t *cr, gdouble x, gdouble y, gdouble width, gdouble height, GtkOrientation orientation); void (* render_handle) (GtkThemingEngine *engine, cairo_t *cr, gdouble x, gdouble y, gdouble width, gdouble height); void (* render_activity) (GtkThemingEngine *engine, cairo_t *cr, gdouble x, gdouble y, gdouble width, gdouble height); GdkPixbuf * (* render_icon_pixbuf) (GtkThemingEngine *engine, const GtkIconSource *source, GtkIconSize size); void (* render_icon) (GtkThemingEngine *engine, cairo_t *cr, GdkPixbuf *pixbuf, gdouble x, gdouble y); void (* render_icon_surface) (GtkThemingEngine *engine, cairo_t *cr, cairo_surface_t *surface, gdouble x, gdouble y); /*< private >*/ gpointer padding[14]; }; GDK_AVAILABLE_IN_ALL GType gtk_theming_engine_get_type (void) G_GNUC_CONST; /* function implemented in gtkcsscustomproperty.c */ GDK_DEPRECATED_IN_3_8 void gtk_theming_engine_register_property (const gchar *name_space, GtkStylePropertyParser parse_func, GParamSpec *pspec); GDK_AVAILABLE_IN_ALL void gtk_theming_engine_get_property (GtkThemingEngine *engine, const gchar *property, GtkStateFlags state, GValue *value); GDK_AVAILABLE_IN_ALL void gtk_theming_engine_get_valist (GtkThemingEngine *engine, GtkStateFlags state, va_list args); GDK_AVAILABLE_IN_ALL void gtk_theming_engine_get (GtkThemingEngine *engine, GtkStateFlags state, ...) G_GNUC_NULL_TERMINATED; GDK_AVAILABLE_IN_ALL void gtk_theming_engine_get_style_property (GtkThemingEngine *engine, const gchar *property_name, GValue *value); GDK_AVAILABLE_IN_ALL void gtk_theming_engine_get_style_valist (GtkThemingEngine *engine, va_list args); GDK_AVAILABLE_IN_ALL void gtk_theming_engine_get_style (GtkThemingEngine *engine, ...); GDK_AVAILABLE_IN_ALL gboolean gtk_theming_engine_lookup_color (GtkThemingEngine *engine, const gchar *color_name, GdkRGBA *color); GDK_AVAILABLE_IN_ALL const GtkWidgetPath * gtk_theming_engine_get_path (GtkThemingEngine *engine); GDK_AVAILABLE_IN_ALL gboolean gtk_theming_engine_has_class (GtkThemingEngine *engine, const gchar *style_class); GDK_DEPRECATED_IN_3_14 gboolean gtk_theming_engine_has_region (GtkThemingEngine *engine, const gchar *style_region, GtkRegionFlags *flags); GDK_AVAILABLE_IN_ALL GtkStateFlags gtk_theming_engine_get_state (GtkThemingEngine *engine); GDK_DEPRECATED_IN_3_6 gboolean gtk_theming_engine_state_is_running (GtkThemingEngine *engine, GtkStateType state, gdouble *progress); GDK_DEPRECATED_IN_3_8_FOR(gtk_theming_engine_get_state) GtkTextDirection gtk_theming_engine_get_direction (GtkThemingEngine *engine); GDK_AVAILABLE_IN_ALL GtkJunctionSides gtk_theming_engine_get_junction_sides (GtkThemingEngine *engine); /* Helper functions */ GDK_AVAILABLE_IN_ALL void gtk_theming_engine_get_color (GtkThemingEngine *engine, GtkStateFlags state, GdkRGBA *color); GDK_AVAILABLE_IN_ALL void gtk_theming_engine_get_background_color (GtkThemingEngine *engine, GtkStateFlags state, GdkRGBA *color); GDK_AVAILABLE_IN_ALL void gtk_theming_engine_get_border_color (GtkThemingEngine *engine, GtkStateFlags state, GdkRGBA *color); GDK_AVAILABLE_IN_ALL void gtk_theming_engine_get_border (GtkThemingEngine *engine, GtkStateFlags state, GtkBorder *border); GDK_AVAILABLE_IN_ALL void gtk_theming_engine_get_padding (GtkThemingEngine *engine, GtkStateFlags state, GtkBorder *padding); GDK_AVAILABLE_IN_ALL void gtk_theming_engine_get_margin (GtkThemingEngine *engine, GtkStateFlags state, GtkBorder *margin); GDK_DEPRECATED_IN_3_8_FOR(gtk_theming_engine_get) const PangoFontDescription * gtk_theming_engine_get_font (GtkThemingEngine *engine, GtkStateFlags state); GDK_AVAILABLE_IN_ALL GtkThemingEngine * gtk_theming_engine_load (const gchar *name); GDK_AVAILABLE_IN_ALL GdkScreen * gtk_theming_engine_get_screen (GtkThemingEngine *engine); G_END_DECLS #endif /* __GTK_THEMING_ENGINE_H__ */