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Add glfwGetWindowOpacity and glfwSetWindowOpacity

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This adds support for setting the opacity of the whole window, including
any decorations.

Fixes #1089.
This commit is contained in:
Camilla Löwy
2017-09-25 23:14:45 +02:00
parent aef4edadd0
commit 11e47f08b1
16 changed files with 354 additions and 12 deletions
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src/x11_init.c
+9
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@@ -737,9 +737,18 @@ static GLFWbool initExtensions(void)
XInternAtom(_glfw.x11.display, "_NET_WM_ICON_NAME", False);
_glfw.x11.NET_WM_BYPASS_COMPOSITOR =
XInternAtom(_glfw.x11.display, "_NET_WM_BYPASS_COMPOSITOR", False);
_glfw.x11.NET_WM_WINDOW_OPACITY =
XInternAtom(_glfw.x11.display, "_NET_WM_WINDOW_OPACITY", False);
_glfw.x11.MOTIF_WM_HINTS =
XInternAtom(_glfw.x11.display, "_MOTIF_WM_HINTS", False);
// The compositing manager selection name contains the screen number
{
char name[32];
snprintf(name, sizeof(name), "_NET_WM_CM_S%u", _glfw.x11.screen);
_glfw.x11.NET_WM_CM_Sx = XInternAtom(_glfw.x11.display, name, False);
}
return GLFW_TRUE;
}