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//
// Window icon test program for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2021 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
#include <FL/Fl.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Choice.H>
#include <FL/Fl_RGB_Image.H>
static Fl_Double_Window *win;
void choice_cb(Fl_Widget *, void *v) {
Fl_Color c = (Fl_Color)fl_uint(v);
if ( c != 0 ) {
// choice was "Red", "Green"..
static uchar buffer[32*32*3]; // static: issue #296
Fl_RGB_Image rgbicon(buffer, 32, 32, 3);
rgbicon.color_average(c, 0.0);
win->icon(&rgbicon); // once assigned, 'rgbicon' can go out of scope
} else {
// choice was "None"..
win->icon((Fl_RGB_Image*)0); // reset window icon
}
}
Fl_Menu_Item choices[] = {
{"None", 0, choice_cb, fl_voidptr(0)},
{"Red", 0, choice_cb, fl_voidptr(FL_RED)},
{"Green", 0, choice_cb, fl_voidptr(FL_GREEN)},
{"Blue", 0, choice_cb, fl_voidptr(FL_BLUE)},
{0}
};
int main(int argc, char **argv) {
Fl_Double_Window window(400,300, "FLTK Window Icon Test");
win = &window;
Fl_Choice choice(120,100,200,25,"Window icon:");
choice.menu(choices);
choice.callback(choice_cb);
choice.when(FL_WHEN_RELEASE|FL_WHEN_NOT_CHANGED);
choice.tooltip("Sets the application icon for window manager. "
"Affects e.g. titlebar, toolbar, Dock, Alt-Tab..");
window.end();
window.show(argc,argv);
choice.do_callback(); // make default take effect
return Fl::run();
}
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