43935dffeb
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12140 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
126 lines
3.2 KiB
C++
126 lines
3.2 KiB
C++
//
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// "$Id$"
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//
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// shapedwindow example source file for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2014 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// http://www.fltk.org/COPYING.php
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//
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// Please report all bugs and problems to:
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//
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// http://www.fltk.org/str.php
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//
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#include <FL/Fl_Window.H>
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#include <FL/Fl_Button.H>
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#include <FL/Fl_Box.H>
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#include <FL/Fl.H>
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#include <FL/fl_draw.H>
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#include <FL/Fl_Double_Window.H>
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#include <FL/Fl_Image.H>
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#include <FL/Fl_Tiled_Image.H>
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#include <FL/Fl_Image_Surface.H>
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#include "test/pixmaps/tile.xpm"
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void cb(Fl_Widget *w, void *) {
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w->window()->hide();
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}
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class dragbox : public Fl_Box {
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public:
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dragbox(int x, int y, int w, int h, const char *t=0) : Fl_Box(x,y,w,h,t) {};
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int handle(int event) {
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static int fromx, fromy, winx, winy;
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if (event == FL_PUSH) {
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fromx = Fl::event_x_root();
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fromy = Fl::event_y_root();
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winx = window()->x_root();
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winy = window()->y_root();
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return 1;
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}
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else if (event == FL_DRAG) {
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int deltax = Fl::event_x_root() - fromx;
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int deltay = Fl::event_y_root() - fromy;
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window()->position(winx + deltax, winy + deltay);
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return 1;
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}
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return Fl_Box::handle(event);
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}
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};
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const float factor = 1.3;
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void shrink(Fl_Widget *wdgt, void *data)
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{
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Fl_Window *win = wdgt->window();
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int old = win->w();
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win->size(old/factor, old/factor);
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if (win->w() <= *(int*)data) wdgt->deactivate();
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}
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void enlarge(Fl_Widget *wdgt, void *data)
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{
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Fl_Window *win = wdgt->window();
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int old = win->w();
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win->size(old*factor, old*factor);
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((Fl_Widget*)data)->activate();
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}
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Fl_RGB_Image* prepare_shape(int w)
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{
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// draw a white circle with a hole in it on black background
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Fl_Image_Surface *surf = new Fl_Image_Surface(w, w);
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Fl_Surface_Device::push_current(surf);
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fl_color(FL_BLACK);
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fl_rectf(-1, -1, w+2, w+2);
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fl_color(FL_WHITE);
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fl_pie(2,2,w-4,w-4,0,360);
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fl_color(FL_BLACK);
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fl_pie(0.7*w,w/2,w/4,w/4,0,360);
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Fl_RGB_Image* img = surf->image();
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delete surf;
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Fl_Surface_Device::pop_current();
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return img; // return white image on black background
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}
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int main(int argc, char **argv) {
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int dim = 200;
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Fl_Double_Window *win = new Fl_Double_Window(100, 100, dim, dim, "Testing1");
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Fl_RGB_Image *img = prepare_shape(dim);
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win->shape(img);
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dragbox *box = new dragbox(0, 0, win->w(), win->h());
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box->image(new Fl_Tiled_Image(new Fl_Pixmap((const char * const *)tile_xpm)));
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Fl_Group *g = new Fl_Group(10, 20, 80, 20);
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g->box(FL_NO_BOX);
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Fl_Button *b = new Fl_Button(10, 20, 80, 20, "Close");
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b->callback(cb);
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g->end();
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g->resizable(NULL);
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g = new Fl_Group(60, 70, 80, 40, "Drag me");
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g->box(FL_NO_BOX);
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g->align(FL_ALIGN_TOP);
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Fl_Button *bs = new Fl_Button(60, 70, 80, 20, "Shrink");
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bs->callback(shrink, &dim);
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bs->deactivate();
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Fl_Button *be = new Fl_Button(60, 90, 80, 20, "Enlarge");
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be->callback(enlarge, bs);
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g->end();
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g->resizable(NULL);
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win->end();
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win->resizable(win);
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win->show(argc, argv);
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Fl::run();
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delete win;
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return 0;
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}
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//
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// End of "$Id$".
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//
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