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Add shell_global_focus_stage()

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Add a a method shell_global_focus_stage() to set the
input focus to the stage window, so that Clutter gets
keyboard events.

Adapted from patch in Bug 561299 from Colin Walters

svn path=/trunk/; revision=59
This commit is contained in:
Owen Taylor 2008-11-19 19:54:17 +00:00
parent f81e9d3aaa
commit 8f615e833e
2 changed files with 25 additions and 0 deletions
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21
src/shell-global.c
View File

@ -2,6 +2,9 @@
#include "shell-global.h"
#include "display.h"
#include <clutter/x11/clutter-x11.h>
struct _ShellGlobal {
GObject parent;
@ -217,3 +220,21 @@ _shell_global_set_plugin (ShellGlobal *global,
global->plugin = plugin;
}
/**
* shell_global_focus_stage:
*
* Set the keyboard focus to the Clutter stage window. This function
* is best used in combination with some sort of visual notification
* that the shell has taken over input.
*/
void
shell_global_focus_stage (ShellGlobal *global)
{
MetaScreen *screen = mutter_plugin_get_screen (global->plugin);
MetaDisplay *display = meta_screen_get_display (screen);
Display *xdisplay = meta_display_get_xdisplay (display);
ClutterStage *stage = CLUTTER_STAGE (mutter_plugin_get_stage (global->plugin));
Window stagewin = clutter_x11_get_stage_window (stage);
XSetInputFocus (xdisplay, stagewin, RevertToParent, CurrentTime);
}

4
src/shell-global.h
View File

@ -42,6 +42,10 @@ GList *shell_global_get_windows (ShellGlobal *global);
void _shell_global_set_plugin (ShellGlobal *global,
MutterPlugin *plugin);
MetaScreen * shell_global_get_screen (ShellGlobal *global);
void shell_global_focus_stage (ShellGlobal *global);
G_END_DECLS
#endif /* __SHELL_GLOBAL_H__ */