test/cursor.cxx

   1 //
   2 // "$Id: cursor.cxx 7978 2010-12-08 14:00:35Z AlbrechtS $"
   3 //
   4 // Cursor test program for the Fast Light Tool Kit (FLTK).
   5 //
   6 // Copyright 1998-2010 by Bill Spitzak and others.
   7 //
   8 // This library is free software; you can redistribute it and/or
   9 // modify it under the terms of the GNU Library General Public
  10 // License as published by the Free Software Foundation; either
  11 // version 2 of the License, or (at your option) any later version.
  12 //
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 // Library General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU Library General Public
  19 // License along with this library; if not, write to the Free Software
  20 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  21 // USA.
  22 //
  23 // Please report all bugs and problems on the following page:
  24 //
  25 //     http://www.fltk.org/str.php
  26 //
  27
  28 #include <FL/Fl.H>
  29 #include <FL/Fl_Double_Window.H>
  30 #include <FL/Fl_Hor_Value_Slider.H>
  31 #include <FL/Fl_Choice.H>
  32 #include <FL/fl_draw.H>
  33 #include <FL/Fl_Box.H>
  34
  35 Fl_Color fg = FL_BLACK;
  36 Fl_Color bg = FL_WHITE;
  37 Fl_Cursor cursor = FL_CURSOR_DEFAULT;
  38
  39 Fl_Hor_Value_Slider *cursor_slider;
  40
  41 void choice_cb(Fl_Widget *, void *v) {
  42   cursor = (Fl_Cursor)(fl_intptr_t)v;
  43   cursor_slider->value(cursor);
  44   fl_cursor(cursor,fg,bg);
  45 }
  46
  47 Fl_Menu_Item choices[] = {
  48   {"FL_CURSOR_DEFAULT",0,choice_cb,(void*)FL_CURSOR_DEFAULT},
  49   {"FL_CURSOR_ARROW",0,choice_cb,(void*)FL_CURSOR_ARROW},
  50   {"FL_CURSOR_CROSS",0,choice_cb,(void*)FL_CURSOR_CROSS},
  51   {"FL_CURSOR_WAIT",0,choice_cb,(void*)FL_CURSOR_WAIT},
  52   {"FL_CURSOR_INSERT",0,choice_cb,(void*)FL_CURSOR_INSERT},
  53   {"FL_CURSOR_HAND",0,choice_cb,(void*)FL_CURSOR_HAND},
  54   {"FL_CURSOR_HELP",0,choice_cb,(void*)FL_CURSOR_HELP},
  55   {"FL_CURSOR_MOVE",0,choice_cb,(void*)FL_CURSOR_MOVE},
  56   {"FL_CURSOR_NS",0,choice_cb,(void*)FL_CURSOR_NS},
  57   {"FL_CURSOR_WE",0,choice_cb,(void*)FL_CURSOR_WE},
  58   {"FL_CURSOR_NWSE",0,choice_cb,(void*)FL_CURSOR_NWSE},
  59   {"FL_CURSOR_NESW",0,choice_cb,(void*)FL_CURSOR_NESW},
  60   {"FL_CURSOR_NONE",0,choice_cb,(void*)FL_CURSOR_NONE},
  61 #if 0
  62   {"FL_CURSOR_N",0,choice_cb,(void*)FL_CURSOR_N},
  63   {"FL_CURSOR_NE",0,choice_cb,(void*)FL_CURSOR_NE},
  64   {"FL_CURSOR_E",0,choice_cb,(void*)FL_CURSOR_E},
  65   {"FL_CURSOR_SE",0,choice_cb,(void*)FL_CURSOR_SE},
  66   {"FL_CURSOR_S",0,choice_cb,(void*)FL_CURSOR_S},
  67   {"FL_CURSOR_SW",0,choice_cb,(void*)FL_CURSOR_SW},
  68   {"FL_CURSOR_W",0,choice_cb,(void*)FL_CURSOR_W},
  69   {"FL_CURSOR_NW",0,choice_cb,(void*)FL_CURSOR_NW},
  70 #endif
  71   {0}
  72 };
  73
  74 void setcursor(Fl_Widget *o, void *) {
  75   Fl_Hor_Value_Slider *slider = (Fl_Hor_Value_Slider *)o;
  76   cursor = Fl_Cursor((int)slider->value());
  77   fl_cursor(cursor,fg,bg);
  78 }
  79
  80 void setfg(Fl_Widget *o, void *) {
  81   Fl_Hor_Value_Slider *slider = (Fl_Hor_Value_Slider *)o;
  82   fg = Fl_Color((int)slider->value());
  83   fl_cursor(cursor,fg,bg);
  84 }
  85
  86 void setbg(Fl_Widget *o, void *) {
  87   Fl_Hor_Value_Slider *slider = (Fl_Hor_Value_Slider *)o;
  88   bg = Fl_Color((int)slider->value());
  89   fl_cursor(cursor,fg,bg);
  90 }
  91
  92 // draw the label without any ^C or \nnn conversions:
  93 class CharBox : public Fl_Box {
  94   void draw() {
  95     fl_font(FL_FREE_FONT,14);
  96     fl_draw(label(), x()+w()/2, y()+h()/2);
  97   }
  98 public:
  99   CharBox(int X, int Y, int W, int H, const char* L) : Fl_Box(X,Y,W,H,L) {}
 100 };
 101
 102 int main(int argc, char **argv) {
 103   Fl_Double_Window window(400,300);
 104
 105   Fl_Choice choice(80,100,200,25,"Cursor:");
 106   choice.menu(choices);
 107   choice.callback(choice_cb);
 108   choice.when(FL_WHEN_RELEASE|FL_WHEN_NOT_CHANGED);
 109
 110   Fl_Hor_Value_Slider slider1(80,180,310,30,"Cursor:");
 111   cursor_slider = &slider1;
 112   slider1.align(FL_ALIGN_LEFT);
 113   slider1.step(1);
 114   slider1.precision(0);
 115   slider1.bounds(0,100);
 116   slider1.value(0);
 117   slider1.callback(setcursor);
 118   slider1.value(cursor);
 119
 120   Fl_Hor_Value_Slider slider2(80,220,310,30,"fgcolor:");
 121   slider2.align(FL_ALIGN_LEFT);
 122   slider2.step(1);
 123   slider2.precision(0);
 124   slider2.bounds(0,255);
 125   slider2.value(0);
 126   slider2.callback(setfg);
 127   slider2.value(fg);
 128
 129   Fl_Hor_Value_Slider slider3(80,260,310,30,"bgcolor:");
 130   slider3.align(FL_ALIGN_LEFT);
 131   slider3.step(1);
 132   slider3.precision(0);
 133   slider3.bounds(0,255);
 134   slider3.value(0);
 135   slider3.callback(setbg);
 136   slider3.value(bg);
 137
 138 #if 0
 139   // draw the manual's diagram of cursors...
 140   window.size(400,800);
 141   int y = 300;
 142   Fl::set_font(FL_FREE_FONT, "cursor");
 143   char buf[100]; char *p = buf;
 144   for (Fl_Menu* m = choices; m->label(); m++) {
 145     Fl_Box* b = new Fl_Box(35,y,150,25,m->label());
 146     b->align(FL_ALIGN_LEFT|FL_ALIGN_INSIDE);
 147     int n = (int)(m->argument());
 148     if (n == FL_CURSOR_NONE) break;
 149     if (n == FL_CURSOR_DEFAULT) n = FL_CURSOR_ARROW;
 150     p[0] = (char)((n-1)*2);
 151     p[1] = 0;
 152     b = new CharBox(15,y,20,20,p); p+=2;
 153     y += 25;
 154   }
 155 #endif
 156
 157   window.resizable(window);
 158   window.end();
 159   window.show(argc,argv);
 160   return Fl::run();
 161 }
 162
 163 //
 164 // End of "$Id: cursor.cxx 7978 2010-12-08 14:00:35Z AlbrechtS $".
 165 //