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author | Alberts Muktupāvels <alberts.muktupavels@gmail.com> | 2015-01-20 00:54:47 +0200 |
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committer | Alberts Muktupāvels <alberts.muktupavels@gmail.com> | 2015-01-20 19:53:22 +0200 |
commit | 74db1f11977ec96a478c9caf1f3ea0e6e46e7aba (patch) | |
tree | b80ccf016c9b1ccac584efccae80cdb0a83f71c1 | |
parent | cd383e725b9a73a91a671a2ec6208645a89186a1 (diff) | |
download | metacity-74db1f11977ec96a478c9caf1f3ea0e6e46e7aba.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, |