fltk/test/cursor.cxx

128 lines
3.8 KiB
C++

//
// Cursor test program for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2010 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_Hor_Value_Slider.H>
#include <FL/Fl_Choice.H>
#include <FL/fl_draw.H>
#include <FL/Fl_Box.H>
#include <FL/Fl_Pixmap.H>
#include <FL/Fl_RGB_Image.H>
#include "../fluid/pixmaps/compressed.xpm"
Fl_Cursor cursor = FL_CURSOR_DEFAULT;
Fl_Hor_Value_Slider *cursor_slider;
void choice_cb(Fl_Widget *, void *v) {
cursor = (Fl_Cursor)(fl_intptr_t)v;
cursor_slider->value(cursor);
fl_cursor(cursor);
}
void custom_cb(Fl_Widget *widget, void *) {
Fl_Pixmap pxm(compressed_xpm);
Fl_RGB_Image rgb(&pxm);
rgb.scale(16,16);
widget->top_window()->cursor(&rgb, rgb.w()/2, rgb.h()/2);
}
Fl_Menu_Item choices[] = {
{"FL_CURSOR_DEFAULT",0,choice_cb,(void*)FL_CURSOR_DEFAULT},
{"FL_CURSOR_ARROW",0,choice_cb,(void*)FL_CURSOR_ARROW},
{"FL_CURSOR_CROSS",0,choice_cb,(void*)FL_CURSOR_CROSS},
{"FL_CURSOR_WAIT",0,choice_cb,(void*)FL_CURSOR_WAIT},
{"FL_CURSOR_INSERT",0,choice_cb,(void*)FL_CURSOR_INSERT},
{"FL_CURSOR_HAND",0,choice_cb,(void*)FL_CURSOR_HAND},
{"FL_CURSOR_HELP",0,choice_cb,(void*)FL_CURSOR_HELP},
{"FL_CURSOR_MOVE",0,choice_cb,(void*)FL_CURSOR_MOVE},
{"FL_CURSOR_NS",0,choice_cb,(void*)FL_CURSOR_NS},
{"FL_CURSOR_WE",0,choice_cb,(void*)FL_CURSOR_WE},
{"FL_CURSOR_NWSE",0,choice_cb,(void*)FL_CURSOR_NWSE},
{"FL_CURSOR_NESW",0,choice_cb,(void*)FL_CURSOR_NESW},
{"FL_CURSOR_N",0,choice_cb,(void*)FL_CURSOR_N},
{"FL_CURSOR_NE",0,choice_cb,(void*)FL_CURSOR_NE},
{"FL_CURSOR_E",0,choice_cb,(void*)FL_CURSOR_E},
{"FL_CURSOR_SE",0,choice_cb,(void*)FL_CURSOR_SE},
{"FL_CURSOR_S",0,choice_cb,(void*)FL_CURSOR_S},
{"FL_CURSOR_SW",0,choice_cb,(void*)FL_CURSOR_SW},
{"FL_CURSOR_W",0,choice_cb,(void*)FL_CURSOR_W},
{"FL_CURSOR_NW",0,choice_cb,(void*)FL_CURSOR_NW},
{"FL_CURSOR_NONE",0,choice_cb,(void*)FL_CURSOR_NONE},
{"custom cursor",0,custom_cb,NULL},
{0}
};
void setcursor(Fl_Widget *o, void *) {
Fl_Hor_Value_Slider *slider = (Fl_Hor_Value_Slider *)o;
cursor = Fl_Cursor((int)slider->value());
fl_cursor(cursor);
}
// draw the label without any ^C or \nnn conversions:
class CharBox : public Fl_Box {
void draw() FL_OVERRIDE {
fl_font(FL_FREE_FONT,14);
fl_draw(label(), x()+w()/2, y()+h()/2);
}
public:
CharBox(int X, int Y, int W, int H, const char* L) : Fl_Box(X,Y,W,H,L) {}
};
int main(int argc, char **argv) {
Fl_Double_Window window(400,300);
Fl_Choice choice(80,100,200,25,"Cursor:");
choice.menu(choices);
choice.callback(choice_cb);
choice.when(FL_WHEN_RELEASE|FL_WHEN_NOT_CHANGED);
Fl_Hor_Value_Slider slider1(80,180,310,30,"Cursor:");
cursor_slider = &slider1;
slider1.align(FL_ALIGN_LEFT);
slider1.step(1);
slider1.precision(0);
slider1.bounds(0,255);
slider1.value(0);
slider1.callback(setcursor);
slider1.value(cursor);
#if 0
// draw the manual's diagram of cursors...
window.size(400,800);
int y = 300;
Fl::set_font(FL_FREE_FONT, "cursor");
char buf[100]; char *p = buf;
for (Fl_Menu* m = choices; m->label(); m++) {
Fl_Box* b = new Fl_Box(35,y,150,25,m->label());
b->align(FL_ALIGN_LEFT|FL_ALIGN_INSIDE);
int n = (int)(m->argument());
if (n == FL_CURSOR_NONE) break;
if (n == FL_CURSOR_DEFAULT) n = FL_CURSOR_ARROW;
p[0] = (char)((n-1)*2);
p[1] = 0;
b = new CharBox(15,y,20,20,p); p+=2;
y += 25;
}
#endif
window.resizable(window);
window.end();
window.show(argc,argv);
return Fl::run();
}