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| author | Alberts Muktupāvels <alberts.muktupavels@gmail.com> | 2015-01-20 00:54:47 +0200 |
|---|---|---|
| committer | Alberts Muktupāvels <alberts.muktupavels@gmail.com> | 2015-01-20 04:01:54 +0200 |
| commit | 6b31f76594fe55018ca84b818a8d69b893f01bb8 (patch) | |
| tree | 53ac49e61819756d539da62c9190abd03deacc94 | |
| parent | 7935223bbddee062b1dffb4c8c73bc4ae718beea (diff) | |
| download | metacity-6b31f76594fe55018ca84b818a8d69b893f01bb8.tar.gz | |
frame: make frame window transparent
| -rw-r--r-- | src/core/frame.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/src/core/frame.c b/src/core/frame.c index 7389da1c..b03dea56 100644 --- a/src/core/frame.c +++ b/src/core/frame.c @@ -64,8 +64,11 @@ void meta_window_ensure_frame (MetaWindow *window) { MetaFrame *frame; + MetaScreen *screen; XSetWindowAttributes attrs; + XVisualInfo visual_info; Visual *visual; + int status; if (window->frame) return; @@ -108,13 +111,24 @@ meta_window_ensure_frame (MetaWindow *window) * the default of NULL. */ - /* Special case for depth 32 windows (assumed to be ARGB), - * we use the window's visual. Otherwise we just use the system visual. - */ - if (window->depth == 32) - visual = window->xvisual; + screen = meta_window_get_screen (window); + status = XMatchVisualInfo (window->display->xdisplay, + XScreenNumberOfScreen (screen->xscreen), + 32, TrueColor, + &visual_info); + + if (!status) + { + /* Special case for depth 32 windows (assumed to be ARGB), + * we use the window's visual. Otherwise we just use the system visual. + */ + if (window->depth == 32) + visual = window->xvisual; + else + visual = NULL; + } else - visual = NULL; + visual = visual_info.visual; frame->xwindow = meta_ui_create_frame_window (window->screen->ui, window->display->xdisplay, |