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Fix Fl_Window::decorated_w() in some X11 situations.

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This commit is contained in:
ManoloFLTK 2021-11-17 14:58:45 +01:00
parent 55f3df268c
commit 02754e43ce
1 changed files with 9 additions and 0 deletions
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9
src/drivers/X11/Fl_X11_Window_Driver.cxx
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@ -159,6 +159,15 @@ void Fl_X11_Window_Driver::decorated_win_size(int &w, int &h)
if (status == 0 || root == parent) return;
XWindowAttributes attributes;
XGetWindowAttributes(fl_display, parent, &attributes);
// sometimes, very wide window borders are reported
// ignore them all:
XWindowAttributes w_attributes;
XGetWindowAttributes(fl_display, Fl_X::i(win)->xid, &w_attributes);
if (attributes.width - w_attributes.width >= 20) {
attributes.height -= (attributes.width - w_attributes.width);
attributes.width = w_attributes.width;
}
int nscreen = screen_num();
float s = Fl::screen_driver()->scale(nscreen);
w = attributes.width / s;