ref: ef4a4ef43b986cb5e4dd60ef753c79d7f79acb22
dir: /external/fltk/examples/progress-simple.cxx/
#include <stdio.h> #include <FL/Fl.H> #include <FL/Fl_Window.H> #include <FL/Fl_Button.H> #include <FL/Fl_Progress.H> // // "$Id$" // // Demonstrate using the Fl_Progress widget in an application - erco 05/02/2005 // // Copyright 2005,2012 Greg Ercolano. // Copyright 1998-2012 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: // // http://www.fltk.org/COPYING.php // // Please report all bugs and problems on the following page: // // http://www.fltk.org/str.php // #ifdef WIN32 // WINDOWS #include <windows.h> #define usleep(v) Sleep(v/1000) #else /*WIN32*/ // UNIX #include <unistd.h> // usleep #endif /*WIN32*/ // Button callback void butt_cb(Fl_Widget *butt, void *data) { // Deactivate the button butt->deactivate(); // prevent button from being pressed again Fl::check(); // give fltk some cpu to gray out button // Make the progress bar Fl_Window *w = (Fl_Window*)data; // access parent window w->begin(); // add progress bar to it.. Fl_Progress *progress = new Fl_Progress(10,50,200,30); progress->minimum(0); // set progress range to be 0.0 ~ 1.0 progress->maximum(1); progress->color(0x88888800); // background color progress->selection_color(0x4444ff00); // progress bar color progress->labelcolor(FL_WHITE); // percent text color w->end(); // end adding to window // Computation loop.. for ( int t=1; t<=500; t++ ) { progress->value(t/500.0); // update progress bar with 0.0 ~ 1.0 value char percent[10]; sprintf(percent, "%d%%", int((t/500.0)*100.0)); progress->label(percent); // update progress bar's label Fl::check(); // give fltk some cpu to update the screen usleep(1000); // 'your stuff' that's compute intensive } // Cleanup w->remove(progress); // remove progress bar from window delete(progress); // deallocate it butt->activate(); // reactivate button w->redraw(); // tell window to redraw now that progress removed } // Main int main() { Fl_Window win(220,90); Fl_Button butt(10,10,100,25,"Press"); butt.callback(butt_cb, &win); win.resizable(win); win.show(); return(Fl::run()); } // // End of "$Id$". //