Pileus Git - ~andy/gtk/blob - gdk/gdkdisplay.h

   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
  44 struct _GdkDisplay
  45 {
  46   GObject parent_instance;
  47
  48   /*< private >*/
  49   GList *queued_events;
  50   GList *queued_tail;
  51
  52   /* Information for determining if the latest button click
  53    * is part of a double-click or triple-click
  54    */
  55   guint32 button_click_time[2]; /* The last 2 button click times. */
  56   GdkWindow *button_window[2];  /* The last 2 windows to receive button presses. */
  57   gint button_number[2];        /* The last 2 buttons to be pressed. */
  58
  59   guint double_click_time;      /* Maximum time between clicks in msecs */
  60   GdkDevice *core_pointer;      /* Core pointer device */
  61
  62   const GdkDisplayPointerHooks *pointer_hooks; /* Current hooks for querying pointer */
  63
  64   guint closed : 1;             /* Whether this display has been closed */
  65 };
  66
  67 struct _GdkDisplayClass
  68 {
  69   GObjectClass parent_class;
  70
  71   G_CONST_RETURN gchar *     (*get_display_name)   (GdkDisplay *display);
  72   gint                       (*get_n_screens)      (GdkDisplay *display);
  73   GdkScreen *                (*get_screen)         (GdkDisplay *display,
  74                                                     gint        screen_num);
  75   GdkScreen *                (*get_default_screen) (GdkDisplay *display);
  76
  77
  78   /* Signals */
  79   void (*closed) (GdkDisplay *display,
  80                   gboolean    is_error);
  81 };
  82
  83 struct _GdkDisplayPointerHooks
  84 {
  85   void (*get_pointer)              (GdkDisplay      *display,
  86                                     GdkScreen      **screen,
  87                                     gint            *x,
  88                                     gint            *y,
  89                                     GdkModifierType *mask);
  90   GdkWindow* (*window_get_pointer) (GdkDisplay      *display,
  91                                     GdkWindow       *window,
  92                                     gint            *x,
  93                                     gint            *y,
  94                                     GdkModifierType *mask);
  95   GdkWindow* (*window_at_pointer)  (GdkDisplay      *display,
  96                                     gint            *win_x,
  97                                     gint            *win_y);
  98 };
  99
 100 GType       gdk_display_get_type (void);
 101 GdkDisplay *gdk_display_open                (const gchar *display_name);
 102
 103 G_CONST_RETURN gchar * gdk_display_get_name (GdkDisplay *display);
 104
 105 gint        gdk_display_get_n_screens      (GdkDisplay  *display);
 106 GdkScreen * gdk_display_get_screen         (GdkDisplay  *display,
 107                                             gint         screen_num);
 108 GdkScreen * gdk_display_get_default_screen (GdkDisplay  *display);
 109 void        gdk_display_pointer_ungrab     (GdkDisplay  *display,
 110                                             guint32      time);
 111 void        gdk_display_keyboard_ungrab    (GdkDisplay  *display,
 112                                             guint32      time);
 113 gboolean    gdk_display_pointer_is_grabbed (GdkDisplay  *display);
 114 void        gdk_display_beep               (GdkDisplay  *display);
 115 void        gdk_display_sync               (GdkDisplay  *display);
 116 void        gdk_display_close              (GdkDisplay  *display);
 117
 118 GList *     gdk_display_list_devices       (GdkDisplay  *display);
 119
 120 GdkEvent* gdk_display_get_event  (GdkDisplay *display);
 121 GdkEvent* gdk_display_peek_event (GdkDisplay *display);
 122 void      gdk_display_put_event  (GdkDisplay *display,
 123                                   GdkEvent   *event);
 124
 125 void gdk_display_add_client_message_filter (GdkDisplay   *display,
 126                                             GdkAtom       message_type,
 127                                             GdkFilterFunc func,
 128                                             gpointer      data);
 129
 130 void gdk_display_set_double_click_time (GdkDisplay  *display,
 131                                         guint        msec);
 132
 133 GdkDisplay *gdk_display_get_default (void);
 134
 135 GdkDevice  *gdk_display_get_core_pointer (GdkDisplay *display);
 136
 137 void             gdk_display_get_pointer           (GdkDisplay             *display,
 138                                                     GdkScreen             **screen,
 139                                                     gint                   *x,
 140                                                     gint                   *y,
 141                                                     GdkModifierType        *mask);
 142 GdkWindow *      gdk_display_get_window_at_pointer (GdkDisplay             *display,
 143                                                     gint                   *win_x,
 144                                                     gint                   *win_y);
 145
 146 GdkDisplayPointerHooks *gdk_display_set_pointer_hooks (GdkDisplay                   *display,
 147                                                        const GdkDisplayPointerHooks *new_hooks);
 148
 149 G_END_DECLS
 150
 151 #endif                          /* __GDK_DISPLAY_H__ */