1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 2010 Carlos Garnacho <carlosg@gnome.org>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
20 #if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
21 #error "Only <gtk/gtk.h> can be included directly."
24 #ifndef __GTK_STYLE_CONTEXT_H__
25 #define __GTK_STYLE_CONTEXT_H__
27 #include <glib-object.h>
28 #include <gtk/gtkstyleprovider.h>
29 #include <gtk/gtkwidgetpath.h>
30 #include <gtk/gtkborder.h>
34 #define GTK_TYPE_STYLE_CONTEXT (gtk_style_context_get_type ())
35 #define GTK_STYLE_CONTEXT(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_STYLE_CONTEXT, GtkStyleContext))
36 #define GTK_STYLE_CONTEXT_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), GTK_TYPE_STYLE_CONTEXT, GtkStyleContextClass))
37 #define GTK_IS_STYLE_CONTEXT(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_STYLE_CONTEXT))
38 #define GTK_IS_STYLE_CONTEXT_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), GTK_TYPE_STYLE_CONTEXT))
39 #define GTK_STYLE_CONTEXT_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_STYLE_CONTEXT, GtkStyleContextClass))
41 typedef struct _GtkStyleContext GtkStyleContext;
42 typedef struct _GtkStyleContextClass GtkStyleContextClass;
43 typedef struct _GtkStyleContextPrivate GtkStyleContextPrivate;
45 struct _GtkStyleContext
47 GObject parent_object;
48 GtkStyleContextPrivate *priv;
51 struct _GtkStyleContextClass
53 GObjectClass parent_class;
55 void (* changed) (GtkStyleContext *context);
57 /* Padding for future expansion */
58 void (*_gtk_reserved1) (void);
59 void (*_gtk_reserved2) (void);
60 void (*_gtk_reserved3) (void);
61 void (*_gtk_reserved4) (void);
64 /* Default set of properties that GtkStyleContext may contain */
67 * GTK_STYLE_PROPERTY_BACKGROUND_COLOR:
69 * A property holding the background color of rendered elements as a #GdkRGBA.
71 #define GTK_STYLE_PROPERTY_BACKGROUND_COLOR "background-color"
74 * GTK_STYLE_PROPERTY_COLOR:
76 * A property holding the foreground color of rendered elements as a #GdkRGBA.
78 #define GTK_STYLE_PROPERTY_COLOR "color"
81 * GTK_STYLE_PROPERTY_FONT:
83 * A property holding the font properties used when rendering text
84 * as a #PangoFontDescription.
86 #define GTK_STYLE_PROPERTY_FONT "font"
89 * GTK_STYLE_PROPERTY_PADDING:
91 * A property holding the rendered element's padding as a #GtkBorder. The
92 * padding is defined as the spacing between the inner part of the element border
93 * and its child. It's the innermost spacing property of the padding/border/margin
96 #define GTK_STYLE_PROPERTY_PADDING "padding"
99 * GTK_STYLE_PROPERTY_BORDER_WIDTH:
101 * A property holding the rendered element's border width in pixels as
102 * a #GtkBorder. The border is the intermediary spacing property of the
103 * padding/border/margin series.
105 * gtk_render_frame() uses this property to find out the frame line width,
106 * so #GtkWidget<!-- -->s rendering frames may need to add up this padding when
109 #define GTK_STYLE_PROPERTY_BORDER_WIDTH "border-width"
112 * GTK_STYLE_PROPERTY_MARGIN:
114 * A property holding the rendered element's margin as a #GtkBorder. The
115 * margin is defined as the spacing between the border of the element
116 * and its surrounding elements. It is external to #GtkWidget<!-- -->s's
117 * size allocations, and the most external spacing property of the
118 * padding/border/margin series.
120 #define GTK_STYLE_PROPERTY_MARGIN "margin"
123 * GTK_STYLE_PROPERTY_BORDER_RADIUS:
125 * A property holding the rendered element's border radius in pixels as a #gint.
127 #define GTK_STYLE_PROPERTY_BORDER_RADIUS "border-radius"
130 * GTK_STYLE_PROPERTY_BORDER_STYLE:
132 * A property holding the element's border style as a #GtkBorderStyle.
134 #define GTK_STYLE_PROPERTY_BORDER_STYLE "border-style"
137 * GTK_STYLE_PROPERTY_BORDER_COLOR:
139 * A property holding the element's border color as a #GdkRGBA.
141 #define GTK_STYLE_PROPERTY_BORDER_COLOR "border-color"
144 * GTK_STYLE_PROPERTY_BACKGROUND_IMAGE:
146 * A property holding the element's background as a #cairo_pattern_t.
148 #define GTK_STYLE_PROPERTY_BACKGROUND_IMAGE "background-image"
151 /* Predefined set of CSS classes */
154 * GTK_STYLE_CLASS_CELL:
156 * A CSS class to match content rendered in cell views.
158 #define GTK_STYLE_CLASS_CELL "cell"
161 * GTK_STYLE_CLASS_ENTRY:
163 * A CSS class to match text entries.
165 #define GTK_STYLE_CLASS_ENTRY "entry"
168 * GTK_STYLE_CLASS_BUTTON:
170 * A CSS class to match buttons.
172 #define GTK_STYLE_CLASS_BUTTON "button"
175 * GTK_STYLE_CLASS_CALENDAR:
177 * A CSS class to match calendars.
179 #define GTK_STYLE_CLASS_CALENDAR "calendar"
182 * GTK_STYLE_CLASS_SLIDER:
184 * A CSS class to match sliders.
186 #define GTK_STYLE_CLASS_SLIDER "slider"
189 * GTK_STYLE_CLASS_BACKGROUND:
191 * A CSS class to match the window background.
193 #define GTK_STYLE_CLASS_BACKGROUND "background"
196 * GTK_STYLE_CLASS_RUBBERBAND:
198 * A CSS class to match the rubberband selection rectangle.
200 #define GTK_STYLE_CLASS_RUBBERBAND "rubberband"
203 * GTK_STYLE_CLASS_TOOLTIP:
205 * A CSS class to match tooltip windows.
207 #define GTK_STYLE_CLASS_TOOLTIP "tooltip"
210 * GTK_STYLE_CLASS_MENU:
212 * A CSS class to match popup menus.
214 #define GTK_STYLE_CLASS_MENU "menu"
217 * GTK_STYLE_CLASS_MENUBAR:
219 * A CSS class to menubars.
221 #define GTK_STYLE_CLASS_MENUBAR "menubar"
224 * GTK_STYLE_CLASS_MENUITEM:
226 * A CSS class to match menu items.
228 #define GTK_STYLE_CLASS_MENUITEM "menuitem"
231 * GTK_STYLE_CLASS_TOOLBAR:
233 * A CSS class to match toolbars.
235 #define GTK_STYLE_CLASS_TOOLBAR "toolbar"
238 * GTK_STYLE_CLASS_RADIO:
240 * A CSS class to match radio buttons.
242 #define GTK_STYLE_CLASS_RADIO "radio"
245 * GTK_STYLE_CLASS_CHECK:
247 * A CSS class to match check boxes.
249 #define GTK_STYLE_CLASS_CHECK "check"
252 * GTK_STYLE_CLASS_DEFAULT:
254 * A CSS class to match the default widget.
256 #define GTK_STYLE_CLASS_DEFAULT "default"
259 * GTK_STYLE_CLASS_TROUGH:
261 * A CSS class to match troughs, as in scrollbars and progressbars.
263 #define GTK_STYLE_CLASS_TROUGH "trough"
266 * GTK_STYLE_CLASS_SCROLLBAR:
268 * A CSS class to match scrollbars.
270 #define GTK_STYLE_CLASS_SCROLLBAR "scrollbar"
273 * GTK_STYLE_CLASS_SCALE:
275 * A CSS class to match scale widgets.
277 #define GTK_STYLE_CLASS_SCALE "scale"
280 * GTK_STYLE_CLASS_SCALE_HAS_MARKS_ABOVE:
282 * A CSS class to match scale widgets with marks attached,
283 * all the marks are above for horizontal #GtkScale.
284 * left for vertical #GtkScale.
286 #define GTK_STYLE_CLASS_SCALE_HAS_MARKS_ABOVE "scale-has-marks-above"
289 * GTK_STYLE_CLASS_SCALE_HAS_MARKS_BELOW:
291 * A CSS class to match scale widgets with marks attached,
292 * all the marks are below for horizontal #GtkScale,
293 * right for vertical #GtkScale.
295 #define GTK_STYLE_CLASS_SCALE_HAS_MARKS_BELOW "scale-has-marks-below"
298 * GTK_STYLE_CLASS_HEADER:
300 * A CSS class to match a header element.
302 #define GTK_STYLE_CLASS_HEADER "header"
305 * GTK_STYLE_CLASS_ACCELERATOR:
307 * A CSS class to match an accelerator.
309 #define GTK_STYLE_CLASS_ACCELERATOR "accelerator"
312 * GTK_STYLE_CLASS_GRIP:
314 * A widget class defining a resize grip
316 #define GTK_STYLE_CLASS_GRIP "grip"
319 * GTK_STYLE_CLASS_DOCK:
321 * A widget class defining a dock area
323 #define GTK_STYLE_CLASS_DOCK "dock"
326 * GTK_STYLE_CLASS_PROGRESSBAR:
328 * A widget class defining a resize grip
330 #define GTK_STYLE_CLASS_PROGRESSBAR "progressbar"
333 * GTK_STYLE_CLASS_SPINNER:
335 * A widget class defining a spinner
337 #define GTK_STYLE_CLASS_SPINNER "spinner"
340 * GTK_STYLE_CLASS_MARK:
342 * A widget class defining marks in a widget, such as in scales
344 #define GTK_STYLE_CLASS_MARK "mark"
347 * GTK_STYLE_CLASS_EXPANDER:
349 * A widget class defining an expander, such as those in treeviews
351 #define GTK_STYLE_CLASS_EXPANDER "expander"
354 * GTK_STYLE_CLASS_SPINBUTTON:
356 * A widget class defining an spinbutton
358 #define GTK_STYLE_CLASS_SPINBUTTON "spinbutton"
361 * GTK_STYLE_CLASS_NOTEBOOK:
363 * A widget class defining a notebook
365 #define GTK_STYLE_CLASS_NOTEBOOK "notebook"
368 * GTK_STYLE_CLASS_VIEW:
370 * A widget class defining a view, such as iconviews or treeviews
372 #define GTK_STYLE_CLASS_VIEW "view"
375 * GTK_STYLE_CLASS_HIGHLIGHT:
377 * A CSS class defining a highlighted area, such as headings in
380 #define GTK_STYLE_CLASS_HIGHLIGHT "highlight"
383 * GTK_STYLE_CLASS_FRAME:
385 * A CSS class defining a frame delimiting content, such as GtkFrame
386 * or the scrolled window frame around the scrollable area.
388 #define GTK_STYLE_CLASS_FRAME "frame"
391 * GTK_STYLE_CLASS_DND:
393 * A CSS class for a drag-and-drop indicator
395 #define GTK_STYLE_CLASS_DND "dnd"
398 * GTK_STYLE_CLASS_PANE_SEPARATOR:
400 * A CSS class for a pane separator, such as those in #GtkPaned.
402 #define GTK_STYLE_CLASS_PANE_SEPARATOR "pane-separator"
405 * GTK_STYLE_CLASS_SEPARATOR:
407 * A CSS class for a separator.
409 #define GTK_STYLE_CLASS_SEPARATOR "separator"
412 * GTK_STYLE_CLASS_INFO:
414 * A widget class for an area displaying an informational message,
415 * such as those in infobars
417 #define GTK_STYLE_CLASS_INFO "info"
420 * GTK_STYLE_CLASS_WARNING:
422 * A widget class for an area displaying a warning message,
423 * such as those in infobars
425 #define GTK_STYLE_CLASS_WARNING "warning"
428 * GTK_STYLE_CLASS_QUESTION:
430 * A widget class for an area displaying a question to the user,
431 * such as those in infobars
433 #define GTK_STYLE_CLASS_QUESTION "question"
436 * GTK_STYLE_CLASS_ERROR:
438 * A widget class for an area displaying an error message,
439 * such as those in infobars
441 #define GTK_STYLE_CLASS_ERROR "error"
444 * GTK_STYLE_CLASS_HORIZONTAL:
446 * A widget class for horizontally layered widgets.
448 #define GTK_STYLE_CLASS_HORIZONTAL "horizontal"
451 * GTK_STYLE_CLASS_VERTICAL:
453 * A widget class for vertically layered widgets.
455 #define GTK_STYLE_CLASS_VERTICAL "vertical"
458 /* Predefined set of widget regions */
461 * GTK_STYLE_REGION_ROW:
463 * A widget region name to define a treeview row.
465 #define GTK_STYLE_REGION_ROW "row"
468 * GTK_STYLE_REGION_COLUMN:
470 * A widget region name to define a treeview column.
472 #define GTK_STYLE_REGION_COLUMN "column"
475 * GTK_STYLE_REGION_COLUMN_HEADER:
477 * A widget region name to define a treeview column header.
479 #define GTK_STYLE_REGION_COLUMN_HEADER "column-header"
482 * GTK_STYLE_REGION_TAB:
484 * A widget region name to define a notebook tab.
486 #define GTK_STYLE_REGION_TAB "tab"
489 GType gtk_style_context_get_type (void) G_GNUC_CONST;
491 GtkStyleContext * gtk_style_context_new (void);
493 void gtk_style_context_add_provider_for_screen (GdkScreen *screen,
494 GtkStyleProvider *provider,
496 void gtk_style_context_remove_provider_for_screen (GdkScreen *screen,
497 GtkStyleProvider *provider);
499 void gtk_style_context_add_provider (GtkStyleContext *context,
500 GtkStyleProvider *provider,
503 void gtk_style_context_remove_provider (GtkStyleContext *context,
504 GtkStyleProvider *provider);
506 void gtk_style_context_save (GtkStyleContext *context);
507 void gtk_style_context_restore (GtkStyleContext *context);
509 void gtk_style_context_get_property (GtkStyleContext *context,
510 const gchar *property,
513 void gtk_style_context_get_valist (GtkStyleContext *context,
516 void gtk_style_context_get (GtkStyleContext *context,
518 ...) G_GNUC_NULL_TERMINATED;
520 void gtk_style_context_set_state (GtkStyleContext *context,
521 GtkStateFlags flags);
522 GtkStateFlags gtk_style_context_get_state (GtkStyleContext *context);
524 gboolean gtk_style_context_state_is_running (GtkStyleContext *context,
528 void gtk_style_context_set_path (GtkStyleContext *context,
529 GtkWidgetPath *path);
530 G_CONST_RETURN GtkWidgetPath * gtk_style_context_get_path (GtkStyleContext *context);
532 GList * gtk_style_context_list_classes (GtkStyleContext *context);
534 void gtk_style_context_add_class (GtkStyleContext *context,
535 const gchar *class_name);
536 void gtk_style_context_remove_class (GtkStyleContext *context,
537 const gchar *class_name);
538 gboolean gtk_style_context_has_class (GtkStyleContext *context,
539 const gchar *class_name);
541 GList * gtk_style_context_list_regions (GtkStyleContext *context);
543 void gtk_style_context_add_region (GtkStyleContext *context,
544 const gchar *region_name,
545 GtkRegionFlags flags);
546 void gtk_style_context_remove_region (GtkStyleContext *context,
547 const gchar *region_name);
548 gboolean gtk_style_context_has_region (GtkStyleContext *context,
549 const gchar *region_name,
550 GtkRegionFlags *flags_return);
552 void gtk_style_context_get_style_property (GtkStyleContext *context,
553 const gchar *property_name,
555 void gtk_style_context_get_style_valist (GtkStyleContext *context,
557 void gtk_style_context_get_style (GtkStyleContext *context,
560 GtkIconSet * gtk_style_context_lookup_icon_set (GtkStyleContext *context,
561 const gchar *stock_id);
562 GdkPixbuf * gtk_icon_set_render_icon_pixbuf (GtkIconSet *icon_set,
563 GtkStyleContext *context,
566 void gtk_style_context_set_screen (GtkStyleContext *context,
568 GdkScreen * gtk_style_context_get_screen (GtkStyleContext *context);
570 void gtk_style_context_set_direction (GtkStyleContext *context,
571 GtkTextDirection direction);
572 GtkTextDirection gtk_style_context_get_direction (GtkStyleContext *context);
574 void gtk_style_context_set_junction_sides (GtkStyleContext *context,
575 GtkJunctionSides sides);
576 GtkJunctionSides gtk_style_context_get_junction_sides (GtkStyleContext *context);
578 gboolean gtk_style_context_lookup_color (GtkStyleContext *context,
579 const gchar *color_name,
582 void gtk_style_context_notify_state_change (GtkStyleContext *context,
586 gboolean state_value);
587 void gtk_style_context_cancel_animations (GtkStyleContext *context,
589 void gtk_style_context_scroll_animations (GtkStyleContext *context,
594 void gtk_style_context_push_animatable_region (GtkStyleContext *context,
596 void gtk_style_context_pop_animatable_region (GtkStyleContext *context);
598 /* Some helper functions to retrieve most common properties */
599 void gtk_style_context_get_color (GtkStyleContext *context,
602 void gtk_style_context_get_background_color (GtkStyleContext *context,
605 void gtk_style_context_get_border_color (GtkStyleContext *context,
608 const PangoFontDescription *
609 gtk_style_context_get_font (GtkStyleContext *context,
610 GtkStateFlags state);
611 void gtk_style_context_get_border (GtkStyleContext *context,
614 void gtk_style_context_get_padding (GtkStyleContext *context,
617 void gtk_style_context_get_margin (GtkStyleContext *context,
621 void gtk_style_context_invalidate (GtkStyleContext *context);
622 void gtk_style_context_reset_widgets (GdkScreen *screen);
624 void gtk_style_context_set_background (GtkStyleContext *context,
628 void gtk_render_check (GtkStyleContext *context,
634 void gtk_render_option (GtkStyleContext *context,
640 void gtk_render_arrow (GtkStyleContext *context,
646 void gtk_render_background (GtkStyleContext *context,
652 void gtk_render_frame (GtkStyleContext *context,
658 void gtk_render_expander (GtkStyleContext *context,
664 void gtk_render_focus (GtkStyleContext *context,
670 void gtk_render_layout (GtkStyleContext *context,
674 PangoLayout *layout);
675 void gtk_render_line (GtkStyleContext *context,
681 void gtk_render_slider (GtkStyleContext *context,
687 GtkOrientation orientation);
688 void gtk_render_frame_gap (GtkStyleContext *context,
694 GtkPositionType gap_side,
697 void gtk_render_extension (GtkStyleContext *context,
703 GtkPositionType gap_side);
704 void gtk_render_handle (GtkStyleContext *context,
710 void gtk_render_activity (GtkStyleContext *context,
716 GdkPixbuf * gtk_render_icon_pixbuf (GtkStyleContext *context,
717 const GtkIconSource *source,
722 #endif /* __GTK_STYLE_CONTEXT_H__ */