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Add a function to display the system menu for a window

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Add SDL_ShowWindowSystemMenu() to display the system-level menu for windows. Typically, this is done by right-clicking on the system provided window decorations, however, if an application is rendering its own client-side decorations, there is currently no way to display it. This menu is provided by the system and can provide privileged desktop functionality such as moving or pinning a window to a specific workspace or display, setting the always-on-top property, or taking screenshots. In many cases, there are no APIs which allow applications to perform these actions manually.

Implemented for Wayland via functionality provided by the xdg_toplevel protocol, Win32 via the undocumented message 0x313 (typically called WM_POPUPSYSTEMMENU), and X11 via the "_GTK_SHOW_WINDOW_MENU" atom (supported in GNOME and KDE).
This commit is contained in:
Frank Praznik 2023-07-30 11:24:24 -04:00
parent be5f66c84e
commit 70323a8350
18 changed files with 124 additions and 0 deletions
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src/dynapi/SDL_dynapi.sym
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@ -887,6 +887,7 @@ SDL3_0.0.0 {
SDL_UnpauseAudioDevice;
SDL_IsAudioDevicePaused;
SDL_GetAudioStreamBinding;
SDL_ShowWindowSystemMenu;
# extra symbols go here (don't modify this line)
local: *;
};