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gtk/gdk/gdkdisplay.h

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/*
* gdkdisplay.h
*
* Copyright 2001 Sun Microsystems Inc.
*
* Erwann Chenede <erwann.chenede@sun.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
#error "Only <gdk/gdk.h> can be included directly."
#endif
#ifndef __GDK_DISPLAY_H__
#define __GDK_DISPLAY_H__
#include <gdk/gdktypes.h>
#include <gdk/gdkevents.h>
G_BEGIN_DECLS
typedef struct _GdkDisplayClass GdkDisplayClass;
typedef struct _GdkDisplayPointerHooks GdkDisplayPointerHooks;
#define GDK_TYPE_DISPLAY (gdk_display_get_type ())
#define GDK_DISPLAY_OBJECT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_DISPLAY, GdkDisplay))
#define GDK_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DISPLAY, GdkDisplayClass))
#define GDK_IS_DISPLAY(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_DISPLAY))
#define GDK_IS_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_DISPLAY))
#define GDK_DISPLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_DISPLAY, GdkDisplayClass))
/* Tracks information about the keyboard grab on this display */
typedef struct
{
GdkWindow *window;
GdkWindow *native_window;
gulong serial;
gboolean owner_events;
guint32 time;
} GdkKeyboardGrabInfo;
/* Tracks information about which window and position the pointer last was in.
* This is useful when we need to synthesize events later.
* Note that we track toplevel_under_pointer using enter/leave events,
* so in the case of a grab, either with owner_events==FALSE or with the
* pointer in no clients window the x/y coordinates may actually be outside
* the window.
*/
typedef struct
{
GdkWindow *toplevel_under_pointer; /* The toplevel window with mouse inside, tracked via native events */
GdkWindow *window_under_pointer; /* The window that last got sent a normal enter event */
gdouble toplevel_x, toplevel_y;
guint32 state;
guint32 button;
gulong motion_hint_serial; /* 0 == didn't deliver hinted motion event */
} GdkPointerWindowInfo;
struct _GdkDisplay
{
GObject parent_instance;
/*< private >*/
GList *GSEAL (queued_events);
GList *GSEAL (queued_tail);
/* Information for determining if the latest button click
* is part of a double-click or triple-click
*/
guint32 GSEAL (button_click_time[2]); /* The last 2 button click times. */
GdkWindow *GSEAL (button_window[2]); /* The last 2 windows to receive button presses. */
gint GSEAL (button_number[2]); /* The last 2 buttons to be pressed. */
guint GSEAL (double_click_time); /* Maximum time between clicks in msecs */
GdkDevice *GSEAL (core_pointer); /* Core pointer device */
const GdkDisplayPointerHooks *GSEAL (pointer_hooks); /* Current hooks for querying pointer */
guint GSEAL (closed) : 1; /* Whether this display has been closed */
guint GSEAL (ignore_core_events) : 1; /* Don't send core motion and button event */
guint GSEAL (double_click_distance); /* Maximum distance between clicks in pixels */
gint GSEAL (button_x[2]); /* The last 2 button click positions. */
gint GSEAL (button_y[2]);
GList *GSEAL (pointer_grabs);
GdkKeyboardGrabInfo GSEAL (keyboard_grab);
GdkPointerWindowInfo GSEAL (pointer_info);
/* Last reported event time from server */
guint32 GSEAL (last_event_time);
};
struct _GdkDisplayClass
{
GObjectClass parent_class;
G_CONST_RETURN gchar * (*get_display_name) (GdkDisplay *display);
gint (*get_n_screens) (GdkDisplay *display);
GdkScreen * (*get_screen) (GdkDisplay *display,
gint screen_num);
GdkScreen * (*get_default_screen) (GdkDisplay *display);
/* Signals */
void (*closed) (GdkDisplay *display,
gboolean is_error);
};
struct _GdkDisplayPointerHooks
{
void (*get_pointer) (GdkDisplay *display,
GdkScreen **screen,
gint *x,
gint *y,
GdkModifierType *mask);
GdkWindow* (*window_get_pointer) (GdkDisplay *display,
GdkWindow *window,
gint *x,
gint *y,
GdkModifierType *mask);
GdkWindow* (*window_at_pointer) (GdkDisplay *display,
gint *win_x,
gint *win_y);
};
GType gdk_display_get_type (void) G_GNUC_CONST;
GdkDisplay *gdk_display_open (const gchar *display_name);
G_CONST_RETURN gchar * gdk_display_get_name (GdkDisplay *display);
gint gdk_display_get_n_screens (GdkDisplay *display);
GdkScreen * gdk_display_get_screen (GdkDisplay *display,
gint screen_num);
GdkScreen * gdk_display_get_default_screen (GdkDisplay *display);
void gdk_display_pointer_ungrab (GdkDisplay *display,
guint32 time_);
void gdk_display_keyboard_ungrab (GdkDisplay *display,
guint32 time_);
gboolean gdk_display_pointer_is_grabbed (GdkDisplay *display);
void gdk_display_beep (GdkDisplay *display);
void gdk_display_sync (GdkDisplay *display);
void gdk_display_flush (GdkDisplay *display);
void gdk_display_close (GdkDisplay *display);
gboolean gdk_display_is_closed (GdkDisplay *display);
GList * gdk_display_list_devices (GdkDisplay *display);
GdkEvent* gdk_display_get_event (GdkDisplay *display);
GdkEvent* gdk_display_peek_event (GdkDisplay *display);
void gdk_display_put_event (GdkDisplay *display,
const GdkEvent *event);
void gdk_display_add_client_message_filter (GdkDisplay *display,
GdkAtom message_type,
GdkFilterFunc func,
gpointer data);
void gdk_display_set_double_click_time (GdkDisplay *display,
guint msec);
void gdk_display_set_double_click_distance (GdkDisplay *display,
guint distance);
GdkDisplay *gdk_display_get_default (void);
GdkDevice *gdk_display_get_core_pointer (GdkDisplay *display);
void gdk_display_get_pointer (GdkDisplay *display,
GdkScreen **screen,
gint *x,
gint *y,
GdkModifierType *mask);
GdkWindow * gdk_display_get_window_at_pointer (GdkDisplay *display,
gint *win_x,
gint *win_y);
void gdk_display_warp_pointer (GdkDisplay *display,
GdkScreen *screen,
gint x,
gint y);
GdkDisplayPointerHooks *gdk_display_set_pointer_hooks (GdkDisplay *display,
const GdkDisplayPointerHooks *new_hooks);
GdkDisplay *gdk_display_open_default_libgtk_only (void);
gboolean gdk_display_supports_cursor_alpha (GdkDisplay *display);
gboolean gdk_display_supports_cursor_color (GdkDisplay *display);
guint gdk_display_get_default_cursor_size (GdkDisplay *display);
void gdk_display_get_maximal_cursor_size (GdkDisplay *display,
guint *width,
guint *height);
GdkWindow *gdk_display_get_default_group (GdkDisplay *display);
gboolean gdk_display_supports_selection_notification (GdkDisplay *display);
gboolean gdk_display_request_selection_notification (GdkDisplay *display,
GdkAtom selection);
gboolean gdk_display_supports_clipboard_persistence (GdkDisplay *display);
void gdk_display_store_clipboard (GdkDisplay *display,
GdkWindow *clipboard_window,
guint32 time_,
const GdkAtom *targets,
gint n_targets);
gboolean gdk_display_supports_shapes (GdkDisplay *display);
gboolean gdk_display_supports_input_shapes (GdkDisplay *display);
gboolean gdk_display_supports_composite (GdkDisplay *display);
G_END_DECLS
#endif /* __GDK_DISPLAY_H__ */
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