GDK Reference Manual | ||||
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#include <gdk/gdkx.h> #define GDK_ROOT_WINDOW () #define GDK_ROOT_PARENT () #define GDK_DISPLAY () #define GDK_WINDOW_XDISPLAY (win) #define GDK_WINDOW_XID (win) #define GDK_PIXMAP_XDISPLAY (pix) #define GDK_PIXMAP_XID (pix) #define GDK_DISPLAY_XDISPLAY (display) #define GDK_DRAWABLE_XDISPLAY (win) #define GDK_DRAWABLE_XID (win) #define GDK_IMAGE_XDISPLAY (image) #define GDK_IMAGE_XIMAGE (image) #define GDK_GC_XDISPLAY (gc) #define GDK_COLORMAP_XDISPLAY (cmap) #define GDK_COLORMAP_XCOLORMAP (cmap) #define GDK_SCREEN_XDISPLAY (screen) #define GDK_SCREEN_XNUMBER (screen) #define GDK_SCREEN_XSCREEN (screen) #define GDK_VISUAL_XVISUAL (vis) #define GDK_FONT_XDISPLAY (font) #define GDK_FONT_XFONT (font) #define GDK_CURSOR_XCURSOR (cursor) #define GDK_CURSOR_XDISPLAY (cursor) #define GDK_GC_XGC (gc) #define GDK_GC_GET_XGC (gc) #define GDK_WINDOW_XWINDOW GdkVisual* gdkx_visual_get (VisualID xvisualid); GdkColormap* gdkx_colormap_get (Colormap xcolormap); GdkPixmap* gdk_pixmap_foreign_new (GdkNativeWindow anid); GdkPixmap* gdk_pixmap_foreign_new_for_display (GdkDisplay *display, GdkNativeWindow anid); GdkPixmap* gdk_pixmap_foreign_new_for_screen (GdkScreen *screen, GdkNativeWindow anid, gint width, gint height, gint depth); GdkWindow* gdk_window_foreign_new (GdkNativeWindow anid); GdkWindow* gdk_window_foreign_new_for_display (GdkDisplay *display, GdkNativeWindow anid); gpointer gdk_xid_table_lookup (XID xid); gpointer gdk_xid_table_lookup_for_display (GdkDisplay *display, XID xid); GdkWindow* gdk_window_lookup (GdkNativeWindow anid); GdkWindow* gdk_window_lookup_for_display (GdkDisplay *display, GdkNativeWindow anid); GdkPixmap* gdk_pixmap_lookup (GdkNativeWindow anid); GdkPixmap* gdk_pixmap_lookup_for_display (GdkDisplay *display, GdkNativeWindow anid); #define gdk_font_lookup (xid) #define gdk_font_lookup_for_display (display, xid) GdkDisplay* gdk_x11_lookup_xdisplay (Display *xdisplay); guint32 gdk_x11_get_server_time (GdkWindow *window); gboolean gdk_net_wm_supports (GdkAtom property); gboolean gdk_x11_screen_supports_net_wm_hint (GdkScreen *screen, GdkAtom property); const char* gdk_x11_screen_get_window_manager_name (GdkScreen *screen); GdkVisual* gdk_x11_screen_lookup_visual (GdkScreen *screen, VisualID xvisualid); void gdk_x11_window_set_user_time (GdkWindow *window, guint32 timestamp); void gdk_x11_window_move_to_current_desktop (GdkWindow *window); guint32 gdk_x11_display_get_user_time (GdkDisplay *display); GdkColormap* gdk_x11_colormap_foreign_new (GdkVisual *visual, Colormap xcolormap); Colormap gdk_x11_colormap_get_xcolormap (GdkColormap *colormap); Display* gdk_x11_colormap_get_xdisplay (GdkColormap *colormap); Cursor gdk_x11_cursor_get_xcursor (GdkCursor *cursor); Display* gdk_x11_cursor_get_xdisplay (GdkCursor *cursor); Display* gdk_x11_display_get_xdisplay (GdkDisplay *display); void gdk_x11_display_grab (GdkDisplay *display); void gdk_x11_display_ungrab (GdkDisplay *display); void gdk_x11_display_set_cursor_theme (GdkDisplay *display, const gchar *theme, const gint size); void gdk_x11_register_standard_event_type (GdkDisplay *display, gint event_base, gint n_events); Display* gdk_x11_drawable_get_xdisplay (GdkDrawable *drawable); XID gdk_x11_drawable_get_xid (GdkDrawable *drawable); const char* gdk_x11_font_get_name (GdkFont *font); Display* gdk_x11_font_get_xdisplay (GdkFont *font); gpointer gdk_x11_font_get_xfont (GdkFont *font); Display* gdk_x11_gc_get_xdisplay (GdkGC *gc); GC gdk_x11_gc_get_xgc (GdkGC *gc); Window gdk_x11_get_default_root_xwindow (void); gint gdk_x11_get_default_screen (void); Display* gdk_x11_get_default_xdisplay (void); void gdk_x11_grab_server (void); Display* gdk_x11_image_get_xdisplay (GdkImage *image); XImage* gdk_x11_image_get_ximage (GdkImage *image); int gdk_x11_screen_get_screen_number (GdkScreen *screen); Screen* gdk_x11_screen_get_xscreen (GdkScreen *screen); void gdk_x11_ungrab_server (void); Visual* gdk_x11_visual_get_xvisual (GdkVisual *visual); Atom gdk_x11_atom_to_xatom (GdkAtom atom); Atom gdk_x11_atom_to_xatom_for_display (GdkDisplay *display, GdkAtom atom); GdkAtom gdk_x11_xatom_to_atom (Atom xatom); GdkAtom gdk_x11_xatom_to_atom_for_display (GdkDisplay *display, Atom xatom); Atom gdk_x11_get_xatom_by_name (const gchar *atom_name); Atom gdk_x11_get_xatom_by_name_for_display (GdkDisplay *display, const gchar *atom_name); const gchar* gdk_x11_get_xatom_name (Atom xatom); const gchar* gdk_x11_get_xatom_name_for_display (GdkDisplay *display, Atom xatom);
#define GDK_ROOT_WINDOW() (gdk_x11_get_default_root_xwindow ())
Obtains the Xlib window id of the root window of the current screen.
#define GDK_ROOT_PARENT() (gdk_get_default_root_window ())
GDK_ROOT_PARENT
is deprecated and should not be used in newly-written code.
Obtains the Xlib window id of the root window of the default screen.
#define GDK_WINDOW_XDISPLAY(win)
Returns the display of a GdkWindow.
win : |
a GdkWindow. |
Returns : | an Xlib Display*. |
#define GDK_WINDOW_XID(win)
Returns the X window belonging to a GdkWindow.
win : |
a GdkWindow. |
Returns : | the Xlib Window of win .
|
#define GDK_PIXMAP_XDISPLAY(pix)
Returns the display of a GdkPixmap.
pix : |
a GdkPixmap. |
Returns : | an Xlib Display*. |
#define GDK_PIXMAP_XID(pix)
Returns the X pixmap belonging to a GdkPixmap.
pix : |
a GdkPixmap. |
Returns : | the Xlib XPixmap of win .
|
#define GDK_DISPLAY_XDISPLAY(display)
Returns the display of a GdkDisplay.
display : |
a GdkDisplay. |
#define GDK_DRAWABLE_XDISPLAY(win)
Returns the display of a GdkDrawable.
win : |
a GdkDrawable. |
Returns : | an Xlib Display*. |
#define GDK_DRAWABLE_XID(win)
Returns the X resource (window or pixmap) belonging to a GdkDrawable.
win : |
a GdkDrawable. |
Returns : | the ID of win 's X resource.
|
#define GDK_IMAGE_XDISPLAY(image) (gdk_x11_image_get_xdisplay (image))
Returns the display of a GdkImage.
image : |
a GdkImage. |
Returns : | an Xlib Display*. |
#define GDK_IMAGE_XIMAGE(image) (gdk_x11_image_get_ximage (image))
Returns the X image belonging to a GdkImage.
image : |
a GdkImage. |
Returns : | an XImage*. |
#define GDK_GC_XDISPLAY(gc)
Returns the display of a GdkGC.
gc : |
a GdkGC. |
Returns : | an Xlib Display*. |
#define GDK_COLORMAP_XDISPLAY(cmap) (gdk_x11_colormap_get_xdisplay (cmap))
Returns the display of a GdkColormap.
cmap : |
a GdkColormap. |
Returns : | an Xlib Display*. |
#define GDK_COLORMAP_XCOLORMAP(cmap) (gdk_x11_colormap_get_xcolormap (cmap))
Returns the X colormap belonging to a GdkColormap.
cmap : |
a GdkColormap. |
Returns : | an Xlib Colormap. |
#define GDK_SCREEN_XDISPLAY(screen)
Returns the display of a GdkScreen.
screen : |
a GdkScreen. |
Returns : | an Xlib Display*. |
#define GDK_SCREEN_XNUMBER(screen)
Returns the index of a GdkScreen.
screen : |
a GdkScreen |
Returns : | the position of screen among the screens of
its display.
|
#define GDK_SCREEN_XSCREEN(screen)
Returns the screen of a GdkScreen.
screen : |
a GdkScreen |
Returns : | an Xlib Screen*. |
#define GDK_VISUAL_XVISUAL(vis)
Returns the X visual belonging to a GdkVisual.
vis : |
a GdkVisual. |
Returns : | an Xlib Visual*. |
#define GDK_FONT_XDISPLAY(font) (gdk_x11_font_get_xdisplay (font))
GDK_FONT_XDISPLAY
is deprecated and should not be used in newly-written code.
Returns the display of a GdkFont.
font : |
a GdkFont. |
Returns : | an Xlib Display*. |
#define GDK_FONT_XFONT(font) (gdk_x11_font_get_xfont (font))
GDK_FONT_XFONT
is deprecated and should not be used in newly-written code.
Returns the X font belonging to a GdkFont.
font : |
a GdkFont. |
Returns : | an Xlib XFontStruct* or an XFontSet. |
#define GDK_CURSOR_XCURSOR(cursor) (gdk_x11_cursor_get_xcursor (cursor))
Returns the X cursor belonging to a GdkCursor.
cursor : |
a GdkCursor. |
Returns : | an Xlib Cursor. |
#define GDK_CURSOR_XDISPLAY(cursor) (gdk_x11_cursor_get_xdisplay (cursor))
Returns the display of a GdkCursor.
cursor : |
a GdkCursor. |
Returns : | an Xlib Display*. |
#define GDK_GC_XGC(gc)
Returns the X GC of a GdkGC.
gc : |
a GdkGC. |
Returns : | an Xlib GC. |
#define GDK_GC_GET_XGC(gc) (GDK_GC_X11(gc)->dirty_mask ? _gdk_x11_gc_flush (gc) : ((GdkGCX11 *)(gc))->xgc)
Returns the X GC of a GdkGC.
gc : |
a GdkGC. |
Returns : | an Xlib GC. |
GdkVisual* gdkx_visual_get (VisualID xvisualid);
Returns a GdkVisual corresponding to a X visual.
xvisualid : |
a X visual id. |
Returns : | the GdkVisual. |
GdkColormap* gdkx_colormap_get (Colormap xcolormap);
gdkx_colormap_get
is deprecated and should not be used in newly-written code.
Returns a GdkColormap corresponding to a X colormap; this function only works if the colormap is already known to GTK+ (a colormap created by GTK+ or the default colormap for the screen), since GTK+
Always use gdk_x11_colormap_foreign_new()
instead.
xcolormap : |
the XID of a colormap for the default screen. |
Returns : | the existing GdkColormap object if it was
already known to GTK+, otherwise warns and return
NULL .
|
GdkPixmap* gdk_pixmap_foreign_new (GdkNativeWindow anid);
Wraps a native window for the default display in a GdkPixmap. This may fail if the pixmap has been destroyed.
For example in the X backend, a native pixmap handle is an Xlib XID.
GdkPixmap* gdk_pixmap_foreign_new_for_display (GdkDisplay *display, GdkNativeWindow anid);
Wraps a native pixmap in a GdkPixmap. This may fail if the pixmap has been destroyed.
For example in the X backend, a native pixmap handle is an Xlib XID.
display : |
The GdkDisplay where anid is located.
|
anid : |
a native pixmap handle. |
Returns : | the newly-created GdkPixmap wrapper for the
native pixmap or NULL if the pixmap has been destroyed.
|
Since 2.2
GdkPixmap* gdk_pixmap_foreign_new_for_screen (GdkScreen *screen, GdkNativeWindow anid, gint width, gint height, gint depth);
Wraps a native pixmap in a GdkPixmap. This may fail if the pixmap has been destroyed.
For example in the X backend, a native pixmap handle is an Xlib XID.
This function is an alternative to gdk_pixmap_foreign_new_for_display()
for cases where the dimensions of the pixmap are known. For the X
backend, this avoids a roundtrip to the server.
screen : |
a GdkScreen |
anid : |
a native pixmap handle |
width : |
the width of the pixmap identified by anid
|
height : |
the height of the pixmap identified by anid
|
depth : |
the depth of the pixmap identified by anid
|
Returns : | the newly-created GdkPixmap wrapper for the
native pixmap or NULL if the pixmap has been destroyed.
|
Since 2.10
GdkWindow* gdk_window_foreign_new (GdkNativeWindow anid);
Wraps a native window for the default display in a GdkWindow. This may fail if the window has been destroyed.
For example in the X backend, a native window handle is an Xlib XID.
GdkWindow* gdk_window_foreign_new_for_display (GdkDisplay *display, GdkNativeWindow anid);
Wraps a native window in a GdkWindow. This may fail if the window has been destroyed. If the window was already known to GDK, a new reference to the existing GdkWindow is returned.
For example in the X backend, a native window handle is an Xlib XID.
display : |
the GdkDisplay where the window handle comes from. |
anid : |
a native window handle. |
Returns : | a GdkWindow wrapper for the native window or
NULL if the window has been destroyed. The wrapper will be
newly created, if one doesn't exist already.
|
Since 2.2
gpointer gdk_xid_table_lookup (XID xid);
Returns the Gdk object associated with the given X id.
gpointer gdk_xid_table_lookup_for_display (GdkDisplay *display, XID xid);
Returns the GDK object associated with the given X id.
display : |
the GdkDisplay. |
xid : |
an X id. |
Returns : | a GDK object associated with the given X id. |
Since 2.2
GdkWindow* gdk_window_lookup (GdkNativeWindow anid);
Looks up the GdkWindow that wraps the given native window handle.
For example in the X backend, a native window handle is an Xlib XID.
GdkWindow* gdk_window_lookup_for_display (GdkDisplay *display, GdkNativeWindow anid);
Looks up the GdkWindow that wraps the given native window handle.
For example in the X backend, a native window handle is an Xlib XID.
display : |
the GdkDisplay corresponding to the window handle |
anid : |
a native window handle. |
Returns : | the GdkWindow wrapper for the native window,
or NULL if there is none.
|
Since 2.2
GdkPixmap* gdk_pixmap_lookup (GdkNativeWindow anid);
Looks up the GdkPixmap that wraps the given native pixmap handle.
For example in the X backend, a native pixmap handle is an Xlib XID.
GdkPixmap* gdk_pixmap_lookup_for_display (GdkDisplay *display, GdkNativeWindow anid);
Looks up the GdkPixmap that wraps the given native pixmap handle.
For example in the X backend, a native pixmap handle is an Xlib XID.
display : |
the GdkDisplay associated with anid
|
anid : |
a native pixmap handle. |
Returns : | the GdkPixmap wrapper for the native pixmap,
or NULL if there is none.
|
Since 2.2
#define gdk_font_lookup(xid) ((GdkFont*) gdk_xid_table_lookup (xid))
gdk_font_lookup
is deprecated and should not be used in newly-written code.
Obtains the GdkFont for the given Xlib font ID, or NULL
if no GdkFont has
been created for xid
.
xid : |
an Xlib font ID |
#define gdk_font_lookup_for_display(display, xid) ((GdkFont*) gdk_xid_table_lookup_for_display (display, ((xid)|XID_FONT_BIT)))
gdk_font_lookup_for_display
is deprecated and should not be used in newly-written code.
Obtains the GdkFont for the given Xlib font ID on display
, or NULL
if no
GdkFont has been created for xid
.
display : |
a GdkDisplay |
xid : |
an Xlib font ID Since: 2.2 |
GdkDisplay* gdk_x11_lookup_xdisplay (Display *xdisplay);
Find the GdkDisplay corresponding to display
, if any exists.
xdisplay : |
a pointer to an X Display |
Returns : | the GdkDisplay, if found, otherwise NULL .
|
Since 2.2
guint32 gdk_x11_get_server_time (GdkWindow *window);
Routine to get the current X server time stamp.
window : |
a GdkWindow, used for communication with the server. The window must have GDK_PROPERTY_CHANGE_MASK in its events mask or a hang will result. |
Returns : | the time stamp. |
gboolean gdk_net_wm_supports (GdkAtom property);
This function is specific to the X11 backend of GDK, and indicates
whether the window manager for the default screen supports a certain
hint from the Extended Window Manager Hints Specification. See
gdk_x11_screen_supports_net_wm_hint()
for complete details.
property : |
a property atom. |
Returns : | TRUE if the window manager supports property
|
gboolean gdk_x11_screen_supports_net_wm_hint (GdkScreen *screen, GdkAtom property);
This function is specific to the X11 backend of GDK, and indicates whether the window manager supports a certain hint from the Extended Window Manager Hints Specification. You can find this specification on http://www.freedesktop.org.
When using this function, keep in mind that the window manager
can change over time; so you shouldn't use this function in
a way that impacts persistent application state. A common bug
is that your application can start up before the window manager
does when the user logs in, and before the window manager starts
gdk_x11_screen_supports_net_wm_hint()
will return FALSE
for every property.
You can monitor the window_manager_changed signal on GdkScreen to detect
a window manager change.
screen : |
the relevant GdkScreen. |
property : |
a property atom. |
Returns : | TRUE if the window manager supports property
|
Since 2.2
const char* gdk_x11_screen_get_window_manager_name (GdkScreen *screen);
Returns the name of the window manager for screen
.
screen : |
a GdkScreen |
Returns : | the name of the window manager screen screen , or
"unknown" if the window manager is unknown. The string is owned by GDK
and should not be freed.
|
Since 2.2
GdkVisual* gdk_x11_screen_lookup_visual (GdkScreen *screen, VisualID xvisualid);
Looks up the GdkVisual for a particular screen and X Visual ID.
screen : |
a GdkScreen. |
xvisualid : |
an X Visual ID. |
Returns : | the GdkVisual (owned by the screen object), or NULL
if the visual ID wasn't found.
|
Since 2.2
void gdk_x11_window_set_user_time (GdkWindow *window, guint32 timestamp);
The application can use this call to update the _NET_WM_USER_TIME property on a toplevel window. This property stores an Xserver time which represents the time of the last user input event received for this window. This property may be used by the window manager to alter the focus, stacking, and/or placement behavior of windows when they are mapped depending on whether the new window was created by a user action or is a "pop-up" window activated by a timer or some other event.
Note that this property is automatically updated by GDK, so this function should only be used by applications which handle input events bypassing GDK.
window : |
A toplevel GdkWindow |
timestamp : |
An XServer timestamp to which the property should be set |
Since 2.6
void gdk_x11_window_move_to_current_desktop (GdkWindow *window);
Moves the window to the correct workspace when running under a window manager that supports multiple workspaces, as described in the Extended Window Manager Hints. Will not do anything if the window is already on all workspaces.
window : |
a GdkWindow |
Since 2.8
guint32 gdk_x11_display_get_user_time (GdkDisplay *display);
Returns the timestamp of the last user interaction on
display
. The timestamp is taken from events caused
by user interaction such as key presses or pointer
movements. See gdk_x11_window_set_user_time()
.
display : |
a GdkDisplay |
Returns : | the timestamp of the last user interaction |
Since 2.8
GdkColormap* gdk_x11_colormap_foreign_new (GdkVisual *visual, Colormap xcolormap);
If xcolormap refers to a colormap previously known to GTK+, returns a new reference to the existing GdkColormap object, otherwise creates a new GdkColormap object and returns that
visual : |
a GdkVisual |
xcolormap : |
The XID of a colormap with visual visual
|
Returns : | the GdkColormap object for xcolormap .
Free with g_object_unref() . Note that for colormap created
with gdk_x11_colormap_foreign_new() , unref'ing the last
reference to the object will only free the GdkColoramp
object and not call XFreeColormap()
|
Since 2.2
Colormap gdk_x11_colormap_get_xcolormap (GdkColormap *colormap);
Returns the X colormap belonging to a GdkColormap.
colormap : |
a GdkColormap. |
Returns : | an Xlib Colormap. |
Display* gdk_x11_colormap_get_xdisplay (GdkColormap *colormap);
Returns the display of a GdkColormap.
colormap : |
a GdkColormap. |
Returns : | an Xlib Display*. |
Cursor gdk_x11_cursor_get_xcursor (GdkCursor *cursor);
Returns the X cursor belonging to a GdkCursor.
cursor : |
a GdkCursor. |
Returns : | an Xlib Cursor. |
Display* gdk_x11_cursor_get_xdisplay (GdkCursor *cursor);
Returns the display of a GdkCursor.
cursor : |
a GdkCursor. |
Returns : | an Xlib Display*. |
Display* gdk_x11_display_get_xdisplay (GdkDisplay *display);
Returns the X display of a GdkDisplay.
display : |
a GdkDisplay |
Returns : | an X display. |
Since 2.2
void gdk_x11_display_grab (GdkDisplay *display);
Call XGrabServer()
on display
.
To ungrab the display again, use gdk_x11_display_ungrab()
.
gdk_x11_display_grab()
/gdk_x11_display_ungrab()
calls can be nested.
display : |
a GdkDisplay |
Since 2.2
void gdk_x11_display_ungrab (GdkDisplay *display);
Ungrab display
after it has been grabbed with
gdk_x11_display_grab()
.
display : |
a GdkDisplay |
Since 2.2
void gdk_x11_display_set_cursor_theme (GdkDisplay *display, const gchar *theme, const gint size);
Sets the cursor theme from which the images for cursor should be taken.
If the windowing system supports it, existing cursors created
with gdk_cursor_new()
, gdk_cursor_new_for_display()
and
gdk_cursor_new_for_name()
are updated to reflect the theme
change. Custom cursors constructed with gdk_cursor_new_from_pixmap()
or gdk_cursor_new_from_pixbuf()
will have to be handled
by the application (GTK+ applications can learn about
cursor theme changes by listening for change notification
for the corresponding GtkSetting).
display : |
a GdkDisplay |
theme : |
the name of the cursor theme to use, or NULL to unset
a previously set value
|
size : |
the cursor size to use, or 0 to keep the previous size |
Since 2.8
void gdk_x11_register_standard_event_type (GdkDisplay *display, gint event_base, gint n_events);
Registers interest in receiving extension events with type codes
between event_base
and event_base + n_events - 1
.
The registered events must have the window field in the same place
as core X events (this is not the case for e.g. XKB extension events).
If an event type is registered, events of this type will go through
global and window-specific filters (see gdk_window_add_filter()
).
Unregistered events will only go through global filters.
GDK may register the events of some X extensions on its own.
This function should only be needed in unusual circumstances, e.g. when filtering XInput extension events on the root window.
display : |
a GdkDisplay |
event_base : |
first event type code to register |
n_events : |
number of event type codes to register |
Since 2.4
Display* gdk_x11_drawable_get_xdisplay (GdkDrawable *drawable);
Returns the display of a GdkDrawable.
drawable : |
a GdkDrawable. |
Returns : | an Xlib Display*. |
XID gdk_x11_drawable_get_xid (GdkDrawable *drawable);
Returns the X resource (window or pixmap) belonging to a GdkDrawable.
drawable : |
a GdkDrawable. |
Returns : | the ID of drawable 's X resource.
|
const char* gdk_x11_font_get_name (GdkFont *font);
gdk_x11_font_get_name
is deprecated and should not be used in newly-written code.
Return the X Logical Font Description (for font->type == GDK_FONT_FONT) or comma separated list of XLFDs (for font->type == GDK_FONT_FONTSET) that was used to load the font. If the same font was loaded via multiple names, which name is returned is undefined.
font : |
a GdkFont. |
Returns : | the name of the font. This string is owned by GDK and must not be modified or freed. |
Display* gdk_x11_font_get_xdisplay (GdkFont *font);
gdk_x11_font_get_xdisplay
is deprecated and should not be used in newly-written code.
Returns the display of a GdkFont.
font : |
a GdkFont. |
Returns : | an Xlib Display*. |
gpointer gdk_x11_font_get_xfont (GdkFont *font);
gdk_x11_font_get_xfont
is deprecated and should not be used in newly-written code.
Returns the X font belonging to a GdkFont.
font : |
a GdkFont. |
Returns : | an Xlib XFontStruct* or an XFontSet. |
Display* gdk_x11_gc_get_xdisplay (GdkGC *gc);
Returns the display of a GdkGC.
gc : |
a GdkGC. |
Returns : | an Xlib Display*. |
GC gdk_x11_gc_get_xgc (GdkGC *gc);
Returns the X GC of a GdkGC.
gc : |
a GdkGC. |
Returns : | an Xlib GC. |
Window gdk_x11_get_default_root_xwindow (void);
Gets the root window of the default screen
(see gdk_x11_get_default_screen()
).
Returns : | an Xlib Window. |
gint gdk_x11_get_default_screen (void);
Gets the default GTK+ screen number.
Returns : | returns the screen number specified by
the --display command line option or the DISPLAY environment
variable when gdk_init() calls XOpenDisplay() .
|
Display* gdk_x11_get_default_xdisplay (void);
Gets the default GTK+ display.
Returns : | the Xlib Display* for the display
specified in the --display command line option
or the DISPLAY environment variable.
|
void gdk_x11_grab_server (void);
Call gdk_x11_display_grab()
on the default display.
To ungrab the server again, use gdk_x11_ungrab_server()
.
gdk_x11_grab_server()
/gdk_x11_ungrab_server()
calls can be nested.
Display* gdk_x11_image_get_xdisplay (GdkImage *image);
Returns the display of a GdkImage.
image : |
a GdkImage. |
Returns : | an Xlib Display*. |
XImage* gdk_x11_image_get_ximage (GdkImage *image);
Returns the X image belonging to a GdkImage.
image : |
a GdkImage. |
Returns : | an XImage*. |
int gdk_x11_screen_get_screen_number (GdkScreen *screen);
Returns the index of a GdkScreen.
screen : |
a GdkScreen. |
Returns : | the position of screen among the screens of
its display.
|
Since 2.2
Screen* gdk_x11_screen_get_xscreen (GdkScreen *screen);
Returns the screen of a GdkScreen.
screen : |
a GdkScreen. |
Returns : | an Xlib Screen* |
Since 2.2
void gdk_x11_ungrab_server (void);
Ungrab the default display after it has been grabbed with
gdk_x11_grab_server()
.
Visual* gdk_x11_visual_get_xvisual (GdkVisual *visual);
Returns the X visual belonging to a GdkVisual.
visual : |
a GdkVisual. |
Returns : | an Xlib Visual*. |
Atom gdk_x11_atom_to_xatom (GdkAtom atom);
Converts from a GdkAtom to the X atom for the default GDK display with the same string value.
atom : |
A GdkAtom |
Returns : | the X atom corresponding to atom .
|
Atom gdk_x11_atom_to_xatom_for_display (GdkDisplay *display, GdkAtom atom);
Converts from a GdkAtom to the X atom for a GdkDisplay with the same string value.
display : |
A GdkDisplay |
atom : |
A GdkAtom |
Returns : | the X atom corresponding to atom .
|
Since 2.2
GdkAtom gdk_x11_xatom_to_atom (Atom xatom);
Convert from an X atom for the default display to the corresponding GdkAtom.
xatom : |
an X atom for the default GDK display |
Returns : | the corresponding GdkAtom. |
GdkAtom gdk_x11_xatom_to_atom_for_display (GdkDisplay *display, Atom xatom);
Convert from an X atom for a GdkDisplay to the corresponding GdkAtom.
display : |
A GdkDisplay |
xatom : |
an X atom |
Returns : | the corresponding GdkAtom. |
Since 2.2
Atom gdk_x11_get_xatom_by_name (const gchar *atom_name);
Returns the X atom for GDK's default display corresponding to atom_name
.
This function caches the result, so if called repeatedly it is much
faster than XInternAtom()
, which is a round trip to the server each time.
atom_name : |
a string |
Returns : | a X atom for GDK's default display. |
Atom gdk_x11_get_xatom_by_name_for_display (GdkDisplay *display, const gchar *atom_name);
Returns the X atom for a GdkDisplay corresponding to atom_name
.
This function caches the result, so if called repeatedly it is much
faster than XInternAtom()
, which is a round trip to the server each time.
display : |
a GdkDisplay |
atom_name : |
a string |
Returns : | a X atom for a GdkDisplay |
Since 2.2
const gchar* gdk_x11_get_xatom_name (Atom xatom);
Returns the name of an X atom for GDK's default display. This
function is meant mainly for debugging, so for convenience, unlike
and XAtomName()
gdk_atom_name()
, the result
doesn't need to be freed. Also, this function will never return NULL
,
even if xatom
is invalid.
xatom : |
an X atom for GDK's default display |
Returns : | name of the X atom; this string is owned by GTK+, so it shouldn't be modifed or freed. |
const gchar* gdk_x11_get_xatom_name_for_display (GdkDisplay *display, Atom xatom);
Returns the name of an X atom for its display. This
function is meant mainly for debugging, so for convenience, unlike
XAtomName()
and gdk_atom_name()
, the result doesn't need to
be freed.
display : |
the GdkDisplay where xatom is defined
|
xatom : |
an X atom |
Returns : | name of the X atom; this string is owned by GDK, so it shouldn't be modifed or freed. |
Since 2.2