X11: Fix maximization of hidden windows

This fixes glfwMaximizeWindow having no effect on hidden windows by
manually appending the maximization states to the EWMH state property.

(cherry picked from commit 4837b78ffe)
This commit is contained in:
Camilla Löwy
2019-12-16 14:53:06 +01:00
parent 640e3205a9
commit 8dd40f1c48
2 changed files with 59 additions and 9 deletions
+58 -9
View File
@@ -2340,18 +2340,67 @@ void _glfwPlatformRestoreWindow(_GLFWwindow* window)
void _glfwPlatformMaximizeWindow(_GLFWwindow* window)
{
if (_glfw.x11.NET_WM_STATE &&
_glfw.x11.NET_WM_STATE_MAXIMIZED_VERT &&
_glfw.x11.NET_WM_STATE_MAXIMIZED_HORZ)
if (!_glfw.x11.NET_WM_STATE ||
!_glfw.x11.NET_WM_STATE_MAXIMIZED_VERT ||
!_glfw.x11.NET_WM_STATE_MAXIMIZED_HORZ)
{
return;
}
if (_glfwPlatformWindowVisible(window))
{
sendEventToWM(window,
_glfw.x11.NET_WM_STATE,
_NET_WM_STATE_ADD,
_glfw.x11.NET_WM_STATE_MAXIMIZED_VERT,
_glfw.x11.NET_WM_STATE_MAXIMIZED_HORZ,
1, 0);
XFlush(_glfw.x11.display);
_glfw.x11.NET_WM_STATE,
_NET_WM_STATE_ADD,
_glfw.x11.NET_WM_STATE_MAXIMIZED_VERT,
_glfw.x11.NET_WM_STATE_MAXIMIZED_HORZ,
1, 0);
}
else
{
Atom* states = NULL;
unsigned long count =
_glfwGetWindowPropertyX11(window->x11.handle,
_glfw.x11.NET_WM_STATE,
XA_ATOM,
(unsigned char**) &states);
// NOTE: We don't check for failure as this property may not exist yet
// and that's fine (and we'll create it implicitly with append)
Atom missing[2] =
{
_glfw.x11.NET_WM_STATE_MAXIMIZED_VERT,
_glfw.x11.NET_WM_STATE_MAXIMIZED_HORZ
};
unsigned long missingCount = 2;
for (unsigned long i = 0; i < count; i++)
{
for (unsigned long j = 0; j < missingCount; j++)
{
if (states[i] == missing[j])
{
missing[j] = missing[missingCount - 1];
missingCount--;
}
}
}
if (states)
XFree(states);
if (!missingCount)
return;
XChangeProperty(_glfw.x11.display, window->x11.handle,
_glfw.x11.NET_WM_STATE, XA_ATOM, 32,
PropModeAppend,
(unsigned char*) missing,
missingCount);
}
XFlush(_glfw.x11.display);
}
void _glfwPlatformShowWindow(_GLFWwindow* window)