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Set _KDE_NET_WM_DESKTOP_FILE x11 window property.

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This explicitly tells KDE to associate the OpenRA window with
the integrated appimage desktop file, allowing it to use the
correct resolution icon for the task switcher.
This commit is contained in:
Paul Chote
2021-07-25 00:55:57 +01:00
committed by abcdefg30
parent 4145723ef0
commit 5eb4c6a0bb
2 changed files with 61 additions and 15 deletions
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42
OpenRA.Platforms.Default/Sdl2PlatformWindow.cs
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@@ -124,6 +124,15 @@ namespace OpenRA.Platforms.Default
[DllImport("user32.dll")]
static extern bool SetProcessDPIAware();
[DllImport("libX11")]
static extern IntPtr XInternAtom(IntPtr display, string atom_name, bool only_if_exists);
[DllImport("libX11", CharSet=CharSet.Ansi)]
static extern int XChangeProperty(IntPtr display, IntPtr window, IntPtr property, IntPtr type, int format, IntPtr mode, string data, int elements);
[DllImport("libX11")]
static extern IntPtr XFlush(IntPtr display);
public Sdl2PlatformWindow(Size requestEffectiveWindowSize, WindowMode windowMode,
float scaleModifier, int batchSize, int videoDisplay, GLProfile requestProfile, bool enableLegacyGL)
{
@@ -218,10 +227,10 @@ namespace OpenRA.Platforms.Default
window = SDL.SDL_CreateWindow("OpenRA", SDL.SDL_WINDOWPOS_CENTERED_DISPLAY(videoDisplay), SDL.SDL_WINDOWPOS_CENTERED_DISPLAY(videoDisplay),
windowSize.Width, windowSize.Height, windowFlags);
// Work around an issue in macOS's GL backend where the window remains permanently black
// (if dark mode is enabled) unless we drain the event queue before initializing GL
if (Platform.CurrentPlatform == PlatformType.OSX)
{
// Work around an issue in macOS's GL backend where the window remains permanently black
// (if dark mode is enabled) unless we drain the event queue before initializing GL
while (SDL.SDL_PollEvent(out var e) != 0)
{
// We can safely ignore all mouse/keyboard events and window size changes
@@ -241,6 +250,35 @@ namespace OpenRA.Platforms.Default
}
}
}
else if (Platform.CurrentPlatform == PlatformType.Linux)
{
// The KDE task switcher limits itself to the 128px icon unless we
// set an X11 _KDE_NET_WM_DESKTOP_FILE property on the window
var currentDesktop = Environment.GetEnvironmentVariable("XDG_CURRENT_DESKTOP");
var desktopFilename = Environment.GetEnvironmentVariable("OPENRA_DESKTOP_FILENAME");
if (desktopFilename != null && currentDesktop == "KDE")
{
try
{
var info = default(SDL.SDL_SysWMinfo);
SDL.SDL_VERSION(out info.version);
SDL.SDL_GetWindowWMInfo(Window, ref info);
var d = info.info.x11.display;
var w = info.info.x11.window;
var property = XInternAtom(d, "_KDE_NET_WM_DESKTOP_FILE", false);
var type = XInternAtom(d, "UTF8_STRING", false);
XChangeProperty(d, w, property, type, 8, IntPtr.Zero, desktopFilename, desktopFilename.Length + 1);
XFlush(d);
}
catch
{
Log.Write("debug", "Failed to set _KDE_NET_WM_DESKTOP_FILE");
Console.WriteLine("Failed to set _KDE_NET_WM_DESKTOP_FILE");
}
}
}
// Enable high resolution rendering for Retina displays
if (Platform.CurrentPlatform == PlatformType.OSX)