From a686e6eafd21bc96f35b46ca6dcea6ae9ad06d1a Mon Sep 17 00:00:00 2001
From: Albrecht Schlosser <albrechts.fltk@online.de>
Date: Mon, 1 Jun 2020 19:06:40 +0200
Subject: [PATCH] test/clock: close both windows together
The new window callback demonstrates how to close all (both) windows
when the user closes one window.
---
test/clock.cxx | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/test/clock.cxx b/test/clock.cxx
index cec836f44..b6c1832fb 100644
--- a/test/clock.cxx
+++ b/test/clock.cxx
@@ -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.
--
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