src/wellkey.cxx

   1 // docm_prefix(///)
   2 /****************************************************************************
   3 *  Copyright (C) 2002 by Leo Khramov
   4 *  email:   leo@xnc.dubna.su
   5 *
   6 *  This program is free software; you can redistribute it and/or modify
   7 *  it under the terms of the GNU General Public License as published by
   8 *  the Free Software Foundation; either version 2 of the License, or
   9 *  (at your option) any later version.
  10 *
  11 *  This program is distributed in the hope that it will be useful,
  12 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *  GNU General Public License for more details.
  15  ****************************************************************************/
  16 // $Id: wellkey.cxx,v 1.1.1.1 2003/01/04 11:37:22 leo Exp $
  17
  18 /// module description
  19 /// WellKey class implements key (or button) GUI element. It draw key with
  20 /// given images (uses geometry module) then catches mouse events and calls
  21 /// ObjectCaller on press.
  22
  23 #include "globals.h"
  24 #include "wellkey.h"
  25 #include "wellengine.h"
  26
  27 //////////////////////////////WellKey class///////////////////////////////
  28
  29 //===========================================================================
  30 /// global WellKey(char*)
  31 ///     constructor - fill name and get geometry
  32 /// tags WellKey
  33 WellKey::WellKey(char* iname) : WellObject()
  34 {
  35   strncpy(object_name,iname,GEO_NAME);
  36   object_name[GEO_NAME]=0;
  37   geo=get_geo_by_name(object_name);
  38 }
  39
  40
  41 //===========================================================================
  42 /// global process_event(wEvent)
  43 ///     stub that process events
  44 /// tags WellKey
  45 bool WellKey::process_event(wEvent ev)
  46 {
  47   MouseEvent *pmev;
  48   switch(ev.type)
  49   {
  50   case eKeyPress:
  51     dbgprintf(("WellKey - pressed\n"));
  52     object_on_press.call(wEvent(aKeyPressed,this));
  53     return false;
  54
  55   case eMousePress:
  56     pmev=(MouseEvent*)ev.data;
  57     return !press(pmev->mx,pmev->my);
  58
  59   case eMouseMove:
  60     pmev=(MouseEvent*)ev.data;
  61     return !highlight(pmev->mx,pmev->my);
  62
  63   }
  64   return true;
  65 }
  66
  67 //===========================================================================
  68 /// global highlight(int mx, int my)
  69 ///     highlights key
  70 /// tags WellKey
  71 bool WellKey::highlight(int mx, int my)
  72 {
  73   if(mx>=geo[1].tox && my>=geo[1].toy &&
  74      mx<geo[1].tox+geo[1].l && my<geo[1].toy+geo[1].h)
  75   {
  76     if(!highlighted)
  77     {
  78       dbgprintf(("WellKey highlighted via mouse\n"));
  79       highlighted=true;
  80       default_well_engine->screen_copy(&geo[1]); //highlighted state
  81       return true;
  82     }
  83   } else
  84   {
  85     if(highlighted)
  86     {
  87       highlighted=false;
  88       dbgprintf(("WellKey DEhighlighted via mouse\n"));
  89       default_well_engine->screen_copy(&geo[0]); //normal state
  90       return true;
  91     }
  92   }
  93   return false;
  94 }
  95
  96 //===========================================================================
  97 /// global press(int mx, int my)
  98 ///     press key and call object
  99 /// tags WellKey
 100 bool WellKey::press(int mx, int my)
 101 {
 102   if(mx>=geo[2].tox && my>=geo[2].toy &&
 103      mx<geo[2].tox+geo[2].l && my<geo[2].toy+geo[2].h)
 104   {
 105     dbgprintf(("WellKey pressed via mouse\n"));
 106     default_well_engine->screen_copy(&geo[2]); //highlighted state
 107     object_on_press.call(wEvent(aKeyPressed,this));
 108     return true;
 109   }
 110   return false;
 111 }
 112
 113 //===========================================================================
 114 /// global show()
 115 ///     show object
 116 /// tags WellKey
 117 void WellKey::show()
 118 {
 119   shown=true;
 120   redraw();
 121   default_well_engine->add_object(this);
 122 }
 123
 124 //===========================================================================
 125 /// global redraw()
 126 ///     redraw object
 127 /// tags WellKey
 128 void WellKey::redraw()
 129 {
 130   if(shown)
 131     default_well_engine->screen_copy(&geo[0]);
 132 }
 133
 134 //===========================================================================
 135 /// global hide()
 136 ///     hide object
 137 /// tags WellKey
 138 void WellKey::hide()
 139 {
 140   shown=false;
 141   default_well_engine->screen_clear(&geo[0]);
 142   default_well_engine->del_object(this);
 143 }
 144
 145