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test/clock: close both windows together

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The new window callback demonstrates how to close all (both) windows
when the user closes one window.
This commit is contained in:
Albrecht Schlosser 2020-06-01 19:06:40 +02:00
parent 59a87fe795
commit a686e6eafd
1 changed files with 13 additions and 0 deletions
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13
test/clock.cxx
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@ -23,12 +23,25 @@
const int dev_test = 0; // 1 = enable non-standard colors and no-shadow tests
// close all windows when the user closes one of the windows
void close_cb(Fl_Widget *w, void *v) {
Fl_Window *win = Fl::first_window();
while (win) {
win->hide();
win = Fl::first_window();
}
return;
}
int main(int argc, char **argv) {
Fl_Double_Window window(220,220,"Fl_Clock");
window.callback(close_cb);
Fl_Clock c1(0,0,220,220); // c1.color(2,1);
window.resizable(c1);
window.end();
Fl_Double_Window window2(220,220,"Fl_Round_Clock");
window2.callback(close_cb);
Fl_Round_Clock c2(0,0,220,220);
if (dev_test) {
c2.color(FL_YELLOW,FL_RED); // set background and hands colors, resp.