Major refactoring of GUI: Phase I

[virtualjaguar] / src / gui / button.cpp

diff --git a/src/gui/button.cpp b/src/gui/button.cpp
new file mode 100644 (file)
index 0000000..052d19c
--- /dev/null
+++ b/src/gui/button.cpp
@@ -0,0 +1,121 @@
+//
+// Button class
+//
+// by James L. Hammons
+//
+
+#include "button.h"
+
+//#include "font14pt.h"
+#include "guimisc.h"
+
+// Various constructors
+
+Button::Button(uint32 x/*= 0*/, uint32 y/*= 0*/, uint32 w/*= 0*/, uint32 h/*= 0*/):
+       Element(x, y, w, h), activated(false), clicked(false), inside(false),
+       fgColor(0xFFFFFFFF), bgColor(0xFF00FF00), pic(NULL), elementToTell(NULL)
+{
+}
+
+Button::Button(uint32 x, uint32 y, uint32 w, uint32 h, uint32 * p):
+       Element(x, y, w, h), activated(false), clicked(false), inside(false),
+       fgColor(0xFFFFFFFF), bgColor(0xFF00FF00), pic(p), elementToTell(NULL)
+{
+}
+
+// Button::Button(uint32 x, uint32 y, uint32 * p): Element(x, y, 0, 0),
+
+Button::Button(uint32 x, uint32 y, uint32 * p, uint32 * pH/*= NULL*/, uint32 * pD/*= NULL*/):
+       Element(x, y, 0, 0), activated(false), clicked(false), inside(false),
+       fgColor(0xFFFFFFFF), bgColor(0xFF00FF00), pic(p), picHover(pH), picDown(pD),
+       elementToTell(NULL)
+{
+       if (pic)
+               extents.w = pic[0], extents.h = pic[1];
+}
+
+Button::Button(uint32 x, uint32 y, uint32 w, uint32 h, std::string s):
+       Element(x, y, w, h), activated(false), clicked(false), inside(false),
+       fgColor(0xFFFFFFFF), bgColor(0xFF00FF00), pic(NULL), text(s), elementToTell(NULL)
+{
+}
+
+Button::Button(uint32 x, uint32 y, std::string s):
+       Element(x, y, 0, FONT_HEIGHT), activated(false), clicked(false), inside(false),
+       fgColor(0xFFFFFFFF), bgColor(0xFF00FF00), pic(NULL), text(s), elementToTell(NULL)
+{
+       extents.w = s.length() * FONT_WIDTH;
+}
+
+// Implementation
+
+void Button::HandleMouseMove(uint32 x, uint32 y)
+{
+       inside = Inside(x, y);
+}
+
+void Button::HandleMouseButton(uint32 x, uint32 y, bool mouseDown)
+{
+       if (inside)
+       {
+               if (mouseDown)
+                       clicked = true;
+
+               if (clicked && !mouseDown)
+               {
+                       clicked = false, activated = true;
+
+                       // Send a message that we're activated (if there's someone to tell, that is)
+                       if (elementToTell)
+                               elementToTell->Notify(this);
+               }
+       }
+       else
+               clicked = activated = false;
+}
+
+void Button::Draw(uint32 offsetX/*= 0*/, uint32 offsetY/*= 0*/)
+{
+       uint32 addr = (extents.x + offsetX) + ((extents.y + offsetY) * pitch);
+
+       if (text.length() > 0)                                                  // Simple text button
+//     if (pic == NULL)
+       {
+               for(uint32 y=0; y<extents.h; y++)
+               {
+                       for(uint32 x=0; x<extents.w; x++)
+                       {
+                               // Doesn't clip in y axis! !!! FIX !!!
+                               if (extents.x + x < pitch)
+                                       screenBuffer[addr + x + (y * pitch)]
+//                                     = (clicked && inside ? fgColor : (inside ? 0x43F0 : bgColor));
+//43F0 -> 010000 11111 10000 -> 0100 0001 1111 1111 1000 0100 -> 41 FF 84
+                                               = (clicked && inside ? fgColor : (inside ? 0xFF84FF41 : bgColor));
+                       }
+               }
+
+               DrawString(screenBuffer, extents.x + offsetX, extents.y + offsetY, false, "%s", text.c_str());
+       }
+       else                                                                                    // Graphical button
+       {
+               uint32 * picToShow = pic;
+
+               if (picHover != NULL && inside && !clicked)
+                       picToShow = picHover;
+
+               if (picDown != NULL && inside && clicked)
+                       picToShow = picDown;
+
+               DrawTransparentBitmapDeprecated(screenBuffer, extents.x + offsetX, extents.y + offsetY, picToShow);
+       }
+}
+
+bool Button::ButtonClicked(void)
+{
+       return activated;
+}
+
+void Button::SetNotificationElement(Element * e)
+{
+       elementToTell = e;
+}