}
-const ScreenInfo* Display::screenInfo(int snum)
+const ScreenInfo* Display::screenInfo(int snum) const
{
assert(snum >= 0);
assert(snum < (signed) ScreenCount(_display));
}
-const ScreenInfo* Display::findScreen(Window root)
+const ScreenInfo* Display::findScreen(Window root) const
{
for (int i = 0; i < ScreenCount(_display); ++i)
if (_screeninfo_list[i]->rootWindow() == root)
}
-const RenderControl *Display::renderControl(int snum)
+const RenderControl *Display::renderControl(int snum) const
{
assert(snum >= 0);
assert(snum < (signed) ScreenCount(_display));