Shamusworld >> Repos - virtualjaguar/blob - src/gui/button.cpp

   1 //
   2 // Button class
   3 //
   4 // by James L. Hammons
   5 //
   6
   7 #include "button.h"
   8
   9 //#include "font14pt.h"
  10 #include "guimisc.h"
  11
  12 // Various constructors
  13
  14 Button::Button(uint32 x/*= 0*/, uint32 y/*= 0*/, uint32 w/*= 0*/, uint32 h/*= 0*/):
  15         Element(x, y, w, h), activated(false), clicked(false), inside(false),
  16         fgColor(0xFFFFFFFF), bgColor(0xFF00FF00), pic(NULL), elementToTell(NULL)
  17 {
  18 }
  19
  20 Button::Button(uint32 x, uint32 y, uint32 w, uint32 h, uint32 * p):
  21         Element(x, y, w, h), activated(false), clicked(false), inside(false),
  22         fgColor(0xFFFFFFFF), bgColor(0xFF00FF00), pic(p), elementToTell(NULL)
  23 {
  24 }
  25
  26 // Button::Button(uint32 x, uint32 y, uint32 * p): Element(x, y, 0, 0),
  27
  28 Button::Button(uint32 x, uint32 y, uint32 * p, uint32 * pH/*= NULL*/, uint32 * pD/*= NULL*/):
  29         Element(x, y, 0, 0), activated(false), clicked(false), inside(false),
  30         fgColor(0xFFFFFFFF), bgColor(0xFF00FF00), pic(p), picHover(pH), picDown(pD),
  31         elementToTell(NULL)
  32 {
  33         if (pic)
  34                 extents.w = pic[0], extents.h = pic[1];
  35 }
  36
  37 Button::Button(uint32 x, uint32 y, uint32 w, uint32 h, std::string s):
  38         Element(x, y, w, h), activated(false), clicked(false), inside(false),
  39         fgColor(0xFFFFFFFF), bgColor(0xFF00FF00), pic(NULL), text(s), elementToTell(NULL)
  40 {
  41 }
  42
  43 Button::Button(uint32 x, uint32 y, std::string s):
  44         Element(x, y, 0, FONT_HEIGHT), activated(false), clicked(false), inside(false),
  45         fgColor(0xFFFFFFFF), bgColor(0xFF00FF00), pic(NULL), text(s), elementToTell(NULL)
  46 {
  47         extents.w = s.length() * FONT_WIDTH;
  48 }
  49
  50 // Implementation
  51
  52 void Button::HandleMouseMove(uint32 x, uint32 y)
  53 {
  54         inside = Inside(x, y);
  55 }
  56
  57 void Button::HandleMouseButton(uint32 x, uint32 y, bool mouseDown)
  58 {
  59         if (inside)
  60         {
  61                 if (mouseDown)
  62                         clicked = true;
  63
  64                 if (clicked && !mouseDown)
  65                 {
  66                         clicked = false, activated = true;
  67
  68                         // Send a message that we're activated (if there's someone to tell, that is)
  69                         if (elementToTell)
  70                                 elementToTell->Notify(this);
  71                 }
  72         }
  73         else
  74                 clicked = activated = false;
  75 }
  76
  77 void Button::Draw(uint32 offsetX/*= 0*/, uint32 offsetY/*= 0*/)
  78 {
  79         uint32 addr = (extents.x + offsetX) + ((extents.y + offsetY) * pitch);
  80
  81         if (text.length() > 0)                                                  // Simple text button
  82 //      if (pic == NULL)
  83         {
  84                 for(uint32 y=0; y<extents.h; y++)
  85                 {
  86                         for(uint32 x=0; x<extents.w; x++)
  87                         {
  88                                 // Doesn't clip in y axis! !!! FIX !!!
  89                                 if (extents.x + x < pitch)
  90                                         screenBuffer[addr + x + (y * pitch)]
  91 //                                      = (clicked && inside ? fgColor : (inside ? 0x43F0 : bgColor));
  92 //43F0 -> 010000 11111 10000 -> 0100 0001 1111 1111 1000 0100 -> 41 FF 84
  93                                                 = (clicked && inside ? fgColor : (inside ? 0xFF84FF41 : bgColor));
  94                         }
  95                 }
  96
  97                 DrawString(screenBuffer, extents.x + offsetX, extents.y + offsetY, false, "%s", text.c_str());
  98         }
  99         else                                                                                    // Graphical button
 100         {
 101                 uint32 * picToShow = pic;
 102
 103                 if (picHover != NULL && inside && !clicked)
 104                         picToShow = picHover;
 105
 106                 if (picDown != NULL && inside && clicked)
 107                         picToShow = picDown;
 108
 109                 DrawTransparentBitmapDeprecated(screenBuffer, extents.x + offsetX, extents.y + offsetY, picToShow);
 110         }
 111 }
 112
 113 bool Button::ButtonClicked(void)
 114 {
 115         return activated;
 116 }
 117
 118 void Button::SetNotificationElement(Element * e)
 119 {
 120         elementToTell = e;
 121 }