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C/C++ Source or Header  |  2006-04-25  |  6.9 KB  |  185 lines
  1. /*
  2.  * gdkdisplay.h
  3.  * 
  4.  * Copyright 2001 Sun Microsystems Inc. 
  5.  *
  6.  * Erwann Chenede <erwann.chenede@sun.com>
  7.  *
  8.  * This library is free software; you can redistribute it and/or
  9.  * modify it under the terms of the GNU Library General Public
  10.  * License as published by the Free Software Foundation; either
  11.  * version 2 of the License, or (at your option) any later version.
  12.  *
  13.  * This library is distributed in the hope that it will be useful,
  14.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16.  * Library General Public License for more details.
  17.  *
  18.  * You should have received a copy of the GNU Library General Public
  19.  * License along with this library; if not, write to the
  20.  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  21.  * Boston, MA 02111-1307, USA.
  22.  */
  23.  
  24. #ifndef __GDK_DISPLAY_H__
  25. #define __GDK_DISPLAY_H__
  26.  
  27. #include <gdk/gdktypes.h>
  28. #include <gdk/gdkevents.h>
  29. #include <glib-object.h>
  30.  
  31. G_BEGIN_DECLS
  32.  
  33. typedef struct _GdkDisplayClass GdkDisplayClass;
  34. typedef struct _GdkDisplayPointerHooks GdkDisplayPointerHooks;
  35.  
  36. #define GDK_TYPE_DISPLAY              (gdk_display_get_type ())
  37. #define GDK_DISPLAY_OBJECT(object)    (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_DISPLAY, GdkDisplay))
  38. #define GDK_DISPLAY_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DISPLAY, GdkDisplayClass))
  39. #define GDK_IS_DISPLAY(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_DISPLAY))
  40. #define GDK_IS_DISPLAY_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_DISPLAY))
  41. #define GDK_DISPLAY_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_DISPLAY, GdkDisplayClass))
  42.  
  43. struct _GdkDisplay
  44. {
  45.   GObject parent_instance;
  46.  
  47.   /*< private >*/
  48.   GList *queued_events;
  49.   GList *queued_tail;
  50.  
  51.   /* Information for determining if the latest button click
  52.    * is part of a double-click or triple-click
  53.    */
  54.   guint32 button_click_time[2];    /* The last 2 button click times. */
  55.   GdkWindow *button_window[2];  /* The last 2 windows to receive button presses. */
  56.   gint button_number[2];        /* The last 2 buttons to be pressed. */
  57.  
  58.   guint double_click_time;    /* Maximum time between clicks in msecs */
  59.   GdkDevice *core_pointer;    /* Core pointer device */
  60.  
  61.   const GdkDisplayPointerHooks *pointer_hooks; /* Current hooks for querying pointer */
  62.   
  63.   guint closed : 1;        /* Whether this display has been closed */
  64.  
  65.   guint double_click_distance;    /* Maximum distance between clicks in pixels */
  66.   gint button_x[2];             /* The last 2 button click positions. */
  67.   gint button_y[2];
  68. };
  69.  
  70. struct _GdkDisplayClass
  71. {
  72.   GObjectClass parent_class;
  73.   
  74.   G_CONST_RETURN gchar *     (*get_display_name)   (GdkDisplay *display);
  75.   gint                 (*get_n_screens)      (GdkDisplay *display);
  76.   GdkScreen *             (*get_screen)         (GdkDisplay *display,
  77.                             gint        screen_num);
  78.   GdkScreen *             (*get_default_screen) (GdkDisplay *display);
  79.  
  80.   
  81.   /* Signals */
  82.   void (*closed) (GdkDisplay *display,
  83.           gboolean    is_error);
  84. };
  85.  
  86. struct _GdkDisplayPointerHooks
  87. {
  88.   void (*get_pointer)              (GdkDisplay      *display,
  89.                     GdkScreen      **screen,
  90.                     gint            *x,
  91.                     gint            *y,
  92.                     GdkModifierType *mask);
  93.   GdkWindow* (*window_get_pointer) (GdkDisplay      *display,
  94.                     GdkWindow       *window,
  95.                     gint            *x,
  96.                     gint            *y,
  97.                     GdkModifierType *mask);
  98.   GdkWindow* (*window_at_pointer)  (GdkDisplay      *display,
  99.                     gint            *win_x,
  100.                     gint            *win_y);
  101. };
  102.  
  103. GType       gdk_display_get_type (void) G_GNUC_CONST;
  104. GdkDisplay *gdk_display_open                (const gchar *display_name);
  105.  
  106. G_CONST_RETURN gchar * gdk_display_get_name (GdkDisplay *display);
  107.  
  108. gint        gdk_display_get_n_screens      (GdkDisplay  *display);
  109. GdkScreen * gdk_display_get_screen         (GdkDisplay  *display,
  110.                         gint         screen_num);
  111. GdkScreen * gdk_display_get_default_screen (GdkDisplay  *display);
  112. void        gdk_display_pointer_ungrab     (GdkDisplay  *display,
  113.                         guint32      time_);
  114. void        gdk_display_keyboard_ungrab    (GdkDisplay  *display,
  115.                         guint32      time_);
  116. gboolean    gdk_display_pointer_is_grabbed (GdkDisplay  *display);
  117. void        gdk_display_beep               (GdkDisplay  *display);
  118. void        gdk_display_sync               (GdkDisplay  *display);
  119. void        gdk_display_flush              (GdkDisplay  *display);
  120.  
  121. void        gdk_display_close           (GdkDisplay  *display);
  122.  
  123. GList *     gdk_display_list_devices       (GdkDisplay  *display);
  124.  
  125. GdkEvent* gdk_display_get_event  (GdkDisplay *display);
  126. GdkEvent* gdk_display_peek_event (GdkDisplay *display);
  127. void      gdk_display_put_event  (GdkDisplay *display,
  128.                   GdkEvent   *event);
  129.  
  130. void gdk_display_add_client_message_filter (GdkDisplay   *display,
  131.                         GdkAtom       message_type,
  132.                         GdkFilterFunc func,
  133.                         gpointer      data);
  134.  
  135. void gdk_display_set_double_click_time     (GdkDisplay   *display,
  136.                         guint         msec);
  137. void gdk_display_set_double_click_distance (GdkDisplay   *display,
  138.                         guint         distance);
  139.  
  140. GdkDisplay *gdk_display_get_default (void);
  141.  
  142. GdkDevice  *gdk_display_get_core_pointer (GdkDisplay *display);
  143.  
  144. void             gdk_display_get_pointer           (GdkDisplay             *display,
  145.                             GdkScreen             **screen,
  146.                             gint                   *x,
  147.                             gint                   *y,
  148.                             GdkModifierType        *mask);
  149. GdkWindow *      gdk_display_get_window_at_pointer (GdkDisplay             *display,
  150.                             gint                   *win_x,
  151.                             gint                   *win_y);
  152. void             gdk_display_warp_pointer          (GdkDisplay             *display,
  153.                             GdkScreen              *screen,
  154.                             gint                   x,
  155.                             gint                   y);
  156.  
  157. GdkDisplayPointerHooks *gdk_display_set_pointer_hooks (GdkDisplay                   *display,
  158.                                const GdkDisplayPointerHooks *new_hooks);
  159.  
  160. GdkDisplay *gdk_display_open_default_libgtk_only (void);
  161.  
  162. gboolean gdk_display_supports_cursor_alpha     (GdkDisplay    *display);
  163. gboolean gdk_display_supports_cursor_color     (GdkDisplay    *display);
  164. guint    gdk_display_get_default_cursor_size   (GdkDisplay    *display);
  165. void     gdk_display_get_maximal_cursor_size   (GdkDisplay    *display,
  166.                         guint         *width,
  167.                         guint         *height);
  168.  
  169. GdkWindow *gdk_display_get_default_group       (GdkDisplay *display); 
  170.  
  171. gboolean gdk_display_supports_selection_notification (GdkDisplay *display);
  172. gboolean gdk_display_request_selection_notification  (GdkDisplay *display,
  173.                               GdkAtom     selection);
  174.  
  175. gboolean gdk_display_supports_clipboard_persistence (GdkDisplay *display);
  176. void     gdk_display_store_clipboard                (GdkDisplay *display,
  177.                              GdkWindow  *clipboard_window,
  178.                              guint32     time_,
  179.                              GdkAtom    *targets,
  180.                              gint        n_targets);
  181.  
  182. G_END_DECLS
  183.  
  184. #endif    /* __GDK_DISPLAY_H__ */
  185.