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x11: set some modality things on message boxes with parent windows.

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icculus committed Jul 9, 2019
1 parent 6625203 commit 6ef01e5236a47f22c3c2008ac7caf44191acdd15
Showing with 13 additions and 0 deletions.
  1. +13 −0 src/video/x11/SDL_x11messagebox.c
@@ -428,6 +428,19 @@ X11_MessageBoxCreateWindow( SDL_MessageBoxDataX11 *data )
}

if ( windowdata ) {
Atom _NET_WM_STATE = X11_XInternAtom(display, "_NET_WM_STATE", False);
Atom stateatoms[16];
size_t statecount = 0;
/* Set some message-boxy window states when attached to a parent window... */
/* we skip the taskbar since this will pop to the front when the parent window is clicked in the taskbar, etc */
stateatoms[statecount++] = X11_XInternAtom(display, "_NET_WM_STATE_SKIP_TASKBAR", False);
stateatoms[statecount++] = X11_XInternAtom(display, "_NET_WM_STATE_SKIP_PAGER", False);
stateatoms[statecount++] = X11_XInternAtom(display, "_NET_WM_STATE_FOCUSED", False);
stateatoms[statecount++] = X11_XInternAtom(display, "_NET_WM_STATE_MODAL", False);
SDL_assert(statecount <= SDL_arraysize(stateatoms));
X11_XChangeProperty(display, data->window, _NET_WM_STATE, XA_ATOM, 32,
PropModeReplace, (unsigned char *)stateatoms, statecount);

/* http://tronche.com/gui/x/icccm/sec-4.html#WM_TRANSIENT_FOR */
X11_XSetTransientForHint( display, data->window, windowdata->xwindow );
}

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