+//
+// Local GUI classes
+//
+
+enum { WINDOW_CLOSE, MENU_ITEM_CHOSEN };
+
+class Element
+{
+ public:
+ Element(uint32 x = 0, uint32 y = 0, uint32 w = 0, uint32 h = 0)
+ { extents.x = x, extents.y = y, extents.w = w, extents.h = h; }
+ virtual void HandleKey(SDLKey key) = 0; // These are "pure" virtual functions...
+ virtual void HandleMouseMove(uint32 x, uint32 y) = 0;
+ virtual void HandleMouseButton(uint32 x, uint32 y, bool mouseDown) = 0;
+ virtual void Draw(uint32, uint32) = 0;
+ virtual void Notify(Element *) = 0;
+//Needed? virtual ~Element() = 0;
+//We're not allocating anything in the base class, so the answer would be NO.
+ bool Inside(uint32 x, uint32 y);
+ // Class method
+// static void SetScreenAndPitch(int16 * s, uint32 p) { screenBuffer = s, pitch = p; }
+ static void SetScreenAndPitch(uint32 * s, uint32 p) { screenBuffer = s, pitch = p; }
+
+ protected:
+ SDL_Rect extents;
+ uint32 state;
+ // Class variables...
+// static int16 * screenBuffer;
+ static uint32 * screenBuffer;
+ static uint32 pitch;
+};
+
+// Initialize class variables (Element)
+//int16 * Element::screenBuffer = NULL;
+uint32 * Element::screenBuffer = NULL;
+uint32 Element::pitch = 0;
+
+bool Element::Inside(uint32 x, uint32 y)
+{
+ return (x >= (uint32)extents.x && x < (uint32)(extents.x + extents.w)
+ && y >= (uint32)extents.y && y < (uint32)(extents.y + extents.h) ? true : false);
+}
+
+
+//
+// Button class
+//
+
+class Button: public Element
+{
+ public:
+ 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(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(uint32 x, uint32 y, uint32 * p): Element(x, y, 0, 0),
+ 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(uint32 x, uint32 y, uint32 w, uint32 h, string s): Element(x, y, w, h),
+ activated(false), clicked(false), inside(false), fgColor(0xFFFFFFFF),
+ bgColor(0xFF00FF00), pic(NULL), text(s), elementToTell(NULL) {}
+ Button(uint32 x, uint32 y, 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; }
+ virtual void HandleKey(SDLKey key) {}
+ virtual void HandleMouseMove(uint32 x, uint32 y);
+ virtual void HandleMouseButton(uint32 x, uint32 y, bool mouseDown);
+ virtual void Draw(uint32 offsetX = 0, uint32 offsetY = 0);
+ virtual void Notify(Element *) {}
+ bool ButtonClicked(void) { return activated; }
+ void SetNotificationElement(Element * e) { elementToTell = e; }
+
+ protected:
+ bool activated, clicked, inside;
+ uint32 fgColor, bgColor;
+ uint32 * pic, * picHover, * picDown;
+ string text;
+ Element * elementToTell;
+};
+
+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);
+ }
+}
+
+
+//
+// PushButton class
+//
+
+class PushButton: public Element
+{
+// How to handle?
+// Save state externally?
+//We pass in a state variable if we want to track it externally, otherwise we use our own
+//internal state var. Still need to do some kind of callback for pushbuttons that do things
+//like change from fullscreen to windowed... !!! FIX !!!
+
+ public:
+// PushButton(uint32 x = 0, uint32 y = 0, uint32 w = 0, uint32 h = 0): Element(x, y, w, h),
+// activated(false), clicked(false), inside(false), fgColor(0xFFFF),
+// bgColor(0x03E0), pic(NULL), elementToTell(NULL) {}
+// PushButton(uint32 x, uint32 y, bool * st, string s): Element(x, y, 8, 8), state(st),
+// inside(false), text(s) { if (st == NULL) state = &internalState; }
+ PushButton(uint32 x, uint32 y, bool * st, string s): Element(x, y, 16, 16), state(st),
+ inside(false), text(s) { if (st == NULL) state = &internalState; }
+/* Button(uint32 x, uint32 y, uint32 w, uint32 h, uint32 * p): Element(x, y, w, h),
+ activated(false), clicked(false), inside(false), fgColor(0xFFFF),
+ bgColor(0x03E0), pic(p), elementToTell(NULL) {}
+ Button(uint32 x, uint32 y, uint32 * p): Element(x, y, 0, 0),
+ activated(false), clicked(false), inside(false), fgColor(0xFFFF),
+ bgColor(0x03E0), pic(p), elementToTell(NULL)
+ { if (pic) extents.w = pic[0], extents.h = pic[1]; }
+ Button(uint32 x, uint32 y, uint32 w, uint32 h, string s): Element(x, y, w, h),
+ activated(false), clicked(false), inside(false), fgColor(0xFFFF),
+ bgColor(0x03E0), pic(NULL), text(s), elementToTell(NULL) {}
+ PushButton(uint32 x, uint32 y, string s): Element(x, y, 0, 8),
+ activated(false), clicked(false), inside(false), fgColor(0xFFFF),
+ bgColor(0x03E0), pic(NULL), text(s), elementToTell(NULL)
+ { extents.w = s.length() * 8; }*/
+ virtual void HandleKey(SDLKey key) {}
+ virtual void HandleMouseMove(uint32 x, uint32 y);
+ virtual void HandleMouseButton(uint32 x, uint32 y, bool mouseDown);
+ virtual void Draw(uint32 offsetX = 0, uint32 offsetY = 0);
+ virtual void Notify(Element *) {}
+// bool ButtonClicked(void) { return activated; }
+// void SetNotificationElement(Element * e) { elementToTell = e; }
+
+ protected:
+ bool * state;
+ bool inside;
+// bool activated, clicked, inside;
+// uint16 fgColor, bgColor;
+// uint32 * pic;
+ string text;
+// Element * elementToTell;
+ bool internalState;
+};
+
+void PushButton::HandleMouseMove(uint32 x, uint32 y)
+{
+ inside = Inside(x, y);
+}
+
+void PushButton::HandleMouseButton(uint32 x, uint32 y, bool mouseDown)
+{
+ if (inside && mouseDown)
+ {
+/* 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);
+ }*/
+ *state = !(*state);
+ }
+// else
+// clicked = activated = false;
+}
+
+void PushButton::Draw(uint32 offsetX/*= 0*/, uint32 offsetY/*= 0*/)
+{
+/* uint32 addr = (extents.x + offsetX) + ((extents.y + offsetY) * pitch);
+
+ 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));
+ }
+ }*/
+
+ if (*state)
+ DrawTransparentBitmap(screenBuffer, extents.x + offsetX, extents.y + offsetY, &pbDown);
+ else
+ DrawTransparentBitmap(screenBuffer, extents.x + offsetX, extents.y + offsetY, &pbUp);
+
+ if (text.length() > 0)
+ DrawString(screenBuffer, extents.x + offsetX + 24, extents.y + offsetY, false, "%s", text.c_str());
+}
+
+
+//
+// SlideSwitch class
+//
+
+class SlideSwitch: public Element
+{
+// How to handle?
+// Save state externally?
+//Seems to be handled the same as PushButton, but without sanity checks. !!! FIX !!!
+
+ public:
+ SlideSwitch(uint32 x, uint32 y, bool * st, string s1, string s2): Element(x, y, 16, 32), state(st),
+ inside(false), text1(s1), text2(s2) {}
+ virtual void HandleKey(SDLKey key) {}
+ virtual void HandleMouseMove(uint32 x, uint32 y);
+ virtual void HandleMouseButton(uint32 x, uint32 y, bool mouseDown);
+ virtual void Draw(uint32 offsetX = 0, uint32 offsetY = 0);
+ virtual void Notify(Element *) {}
+// bool ButtonClicked(void) { return activated; }
+// void SetNotificationElement(Element * e) { elementToTell = e; }
+
+ protected:
+ bool * state;
+ bool inside;
+// bool activated, clicked, inside;
+// uint16 fgColor, bgColor;
+// uint32 * pic;
+ string text1, text2;
+// Element * elementToTell;
+};
+
+void SlideSwitch::HandleMouseMove(uint32 x, uint32 y)
+{
+ inside = Inside(x, y);
+}
+
+void SlideSwitch::HandleMouseButton(uint32 x, uint32 y, bool mouseDown)
+{
+ if (inside && mouseDown)
+ {
+/* 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);
+ }*/
+ *state = !(*state);
+ }
+// else
+// clicked = activated = false;
+}
+
+void SlideSwitch::Draw(uint32 offsetX/*= 0*/, uint32 offsetY/*= 0*/)
+{
+ DrawTransparentBitmapDeprecated(screenBuffer, extents.x + offsetX, extents.y + offsetY, (*state ? slideSwitchDown : slideSwitchUp));
+
+ if (text1.length() > 0)
+ DrawString(screenBuffer, extents.x + offsetX + 24, extents.y + offsetY, false, "%s", text1.c_str());
+
+ if (text2.length() > 0)
+ DrawString(screenBuffer, extents.x + offsetX + 24, extents.y + offsetY + 16, false, "%s", text2.c_str());
+}
+
+
+//
+// Window class
+//
+
+class Window: public Element
+{
+ public:
+/* Window(uint32 x = 0, uint32 y = 0, uint32 w = 0, uint32 h = 0): Element(x, y, w, h),
+ fgColor(0x4FF0), bgColor(0xFE10)
+ { close = new Button(w - 8, 1, closeBox); list.push_back(close); }*/
+ Window(uint32 x = 0, uint32 y = 0, uint32 w = 0, uint32 h = 0,
+ void (* f)(Element *) = NULL): Element(x, y, w, h),
+// /*clicked(false), inside(false),*/ fgColor(0x4FF0), bgColor(0x1E10),
+//4FF0 -> 010011 11111 10000 -> 0100 1101 1111 1111 1000 0100 -> 4D FF 84
+//1E10 -> 000111 10000 10000 -> 0001 1111 1000 0100 1000 0100 -> 1F 84 84
+ /*clicked(false), inside(false),*/ fgColor(0xFF84FF4D), bgColor(0xFF84841F),
+ handler(f)
+ { close = new Button(w - (CLOSEBOX_WIDTH + 1), 1, closeBox, closeBoxHover, closeBoxDown);
+ list.push_back(close);
+ close->SetNotificationElement(this); }
+ virtual ~Window();
+ virtual void HandleKey(SDLKey key);
+ virtual void HandleMouseMove(uint32 x, uint32 y);
+ virtual void HandleMouseButton(uint32 x, uint32 y, bool mouseDown);
+ virtual void Draw(uint32 offsetX = 0, uint32 offsetY = 0);
+ virtual void Notify(Element * e);
+ void AddElement(Element * e);
+// bool WindowActive(void) { return true; }//return !close->ButtonClicked(); }
+
+ protected:
+// bool clicked, inside;
+ uint32 fgColor, bgColor;
+ void (* handler)(Element *);
+ Button * close;
+//We have to use a list of Element *pointers* because we can't make a list that will hold
+//all the different object types in the same list...
+ vector<Element *> list;
+};
+
+Window::~Window()
+{
+ for(uint32 i=0; i<list.size(); i++)
+ if (list[i])
+ delete list[i];
+}
+
+void Window::HandleKey(SDLKey key)
+{
+ if (key == SDLK_ESCAPE)
+ {
+ SDL_Event event;
+ event.type = SDL_USEREVENT, event.user.code = WINDOW_CLOSE;
+ SDL_PushEvent(&event);
+ }
+
+ // Handle the items this window contains...
+ for(uint32 i=0; i<list.size(); i++)
+ // Make coords relative to upper right corner of this window...
+ list[i]->HandleKey(key);
+}
+
+void Window::HandleMouseMove(uint32 x, uint32 y)
+{
+ // Handle the items this window contains...
+ for(uint32 i=0; i<list.size(); i++)
+ // Make coords relative to upper right corner of this window...
+ list[i]->HandleMouseMove(x - extents.x, y - extents.y);
+}
+
+void Window::HandleMouseButton(uint32 x, uint32 y, bool mouseDown)
+{
+ // Handle the items this window contains...
+ for(uint32 i=0; i<list.size(); i++)
+ // Make coords relative to upper right corner of this window...
+ list[i]->HandleMouseButton(x - extents.x, y - extents.y, mouseDown);
+}
+
+void Window::Draw(uint32 offsetX/*= 0*/, uint32 offsetY/*= 0*/)
+{
+ uint32 addr = (extents.x + offsetX) + ((extents.y + offsetY) * pitch);
+
+ 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)] = bgColor;
+ }
+ }
+
+ // Handle the items this window contains...
+ for(uint32 i=0; i<list.size(); i++)
+ list[i]->Draw(extents.x, extents.y);
+}
+
+void Window::AddElement(Element * e)
+{
+ list.push_back(e);
+}
+
+void Window::Notify(Element * e)
+{
+ if (e == close)
+ {
+ SDL_Event event;
+ event.type = SDL_USEREVENT, event.user.code = WINDOW_CLOSE;
+ SDL_PushEvent(&event);
+ }
+}
+
+
+//
+// Static text class
+//
+
+class Text: public Element
+{
+ public:
+// Text(uint32 x = 0, uint32 y = 0, uint32 w = 0, uint32 h = 0): Element(x, y, w, h),
+// fgColor(0x4FF0), bgColor(0xFE10) {}
+// Text(uint32 x, uint32 y, string s, uint16 fg = 0x4FF0, uint16 bg = 0xFE10): Element(x, y, 0, 0),
+// fgColor(fg), bgColor(bg), text(s) {}
+//4FF0 -> 010011 11111 10000 -> 0100 1101 1111 1111 1000 0100 -> 4D FF 84
+//FE10 -> 111111 10000 10000 -> 1111 1111 1000 0100 1000 0100 -> FF 84 84
+ Text(uint32 x = 0, uint32 y = 0, uint32 w = 0, uint32 h = 0): Element(x, y, w, h),
+ fgColor(0xFF8484FF), bgColor(0xFF84FF4D) {}
+ Text(uint32 x, uint32 y, string s, uint32 fg = 0xFF8484FF, uint32 bg = 0xFF84FF4D):
+ Element(x, y, 0, 0), fgColor(fg), bgColor(bg), text(s) {}
+ virtual void HandleKey(SDLKey key) {}
+ virtual void HandleMouseMove(uint32 x, uint32 y) {}
+ virtual void HandleMouseButton(uint32 x, uint32 y, bool mouseDown) {}
+ virtual void Draw(uint32 offsetX = 0, uint32 offsetY = 0);
+ virtual void Notify(Element *) {}
+
+ protected:
+ uint32 fgColor, bgColor;
+ string text;
+};
+
+void Text::Draw(uint32 offsetX/*= 0*/, uint32 offsetY/*= 0*/)
+{
+ if (text.length() > 0)
+// DrawString(screenBuffer, extents.x + offsetX, extents.y + offsetY, false, "%s", text.c_str());
+ DrawStringOpaque(screenBuffer, extents.x + offsetX, extents.y + offsetY, fgColor, bgColor, "%s", text.c_str());
+}
+
+
+//
+// Static image class
+//
+
+class Image: public Element
+{
+ public:
+ Image(uint32 x, uint32 y, const void * img): Element(x, y, 0, 0), image(img) {}
+ virtual void HandleKey(SDLKey key) {}
+ virtual void HandleMouseMove(uint32 x, uint32 y) {}
+ virtual void HandleMouseButton(uint32 x, uint32 y, bool mouseDown) {}
+ virtual void Draw(uint32 offsetX = 0, uint32 offsetY = 0);
+ virtual void Notify(Element *) {}
+
+ protected:
+ uint32 fgColor, bgColor;
+ const void * image;
+};
+
+void Image::Draw(uint32 offsetX/*= 0*/, uint32 offsetY/*= 0*/)
+{
+ if (image != NULL)
+ DrawTransparentBitmap(screenBuffer, extents.x + offsetX, extents.y + offsetY, image);
+}
+
+
+//
+// TextEdit class
+//
+
+class TextEdit: public Element
+{
+ public:
+ TextEdit(uint32 x = 0, uint32 y = 0, uint32 w = 0, uint32 h = 0): Element(x, y, w, h),
+ fgColor(0xFF8484FF), bgColor(0xFF84FF4D), text(""), caretPos(0),
+ maxScreenSize(10) {}
+ TextEdit(uint32 x, uint32 y, string s, uint32 mss = 10, uint32 fg = 0xFF8484FF,
+ uint32 bg = 0xFF84FF4D): Element(x, y, 0, 0), fgColor(fg), bgColor(bg), text(s),
+ caretPos(0), maxScreenSize(mss) {}
+ virtual void HandleKey(SDLKey key);
+ virtual void HandleMouseMove(uint32 x, uint32 y) {}
+ virtual void HandleMouseButton(uint32 x, uint32 y, bool mouseDown) {}
+ virtual void Draw(uint32 offsetX = 0, uint32 offsetY = 0);
+ virtual void Notify(Element *) {}
+
+ protected:
+ uint32 fgColor, bgColor;
+ string text;
+ uint32 caretPos;
+ uint32 maxScreenSize;
+};
+
+//Set different filters depending on type passed in on construction, e.g., filename, amount, etc...?
+void TextEdit::HandleKey(SDLKey key)
+{
+ if ((key >= SDLK_a && key <= SDLK_z) || (key >= SDLK_0 && key <= SDLK_9) || key == SDLK_PERIOD
+ || key == SDLK_SLASH)
+ {
+ //Need to handle shift key as well...
+ text[caretPos++] = key;
+ Draw();
+ }
+ else if (key == SDLK_BACKSPACE)
+ {
+
+ }
+ else if (key == SDLK_DELETE)
+ {
+ }
+//left, right arrow
+}
+
+void TextEdit::Draw(uint32 offsetX/*= 0*/, uint32 offsetY/*= 0*/)
+{
+ if (text.length() > 0)
+ {
+ FillScreenRectangle(screenBuffer, extents.x + offsetX, extents.y + offsetY, FONT_WIDTH * maxScreenSize, FONT_HEIGHT, bgColor);
+// DrawString(screenBuffer, extents.x + offsetX, extents.y + offsetY, false, "%s", text.c_str());
+ DrawStringOpaque(screenBuffer, extents.x + offsetX, extents.y + offsetY, fgColor, bgColor, "%s", text.c_str());
+ }
+
+ // Draw the caret (underscore? or vertical line?)
+}
+
+
+//
+// ListBox class
+//
+
+class ListBox: public Element
+//class ListBox: public Window
+{
+ public:
+// ListBox(uint32 x = 0, uint32 y = 0, uint32 w = 0, uint32 h = 0): Element(x, y, w, h),
+ ListBox(uint32 x = 0, uint32 y = 0, uint32 w = 0, uint32 h = 0);//: Window(x, y, w, h),
+// windowPtr(0), cursor(0), limit(0), charWidth((w / 8) - 1), charHeight(h / 8),
+// elementToTell(NULL), upArrow(w - 8, 0, upArrowBox),
+// downArrow(w - 8, h - 8, downArrowBox), upArrow2(w - 8, h - 16, upArrowBox) {}
+ virtual void HandleKey(SDLKey key);
+ virtual void HandleMouseMove(uint32 x, uint32 y);
+ virtual void HandleMouseButton(uint32 x, uint32 y, bool mouseDown);
+ virtual void Draw(uint32 offsetX = 0, uint32 offsetY = 0);
+ virtual void Notify(Element * e);
+ void SetNotificationElement(Element * e) { elementToTell = e; }
+ void AddItem(string s);
+ string GetSelectedItem(void);
+
+ protected:
+ bool thumbClicked;
+ uint32 windowPtr, cursor, limit;
+ uint32 charWidth, charHeight; // Box width/height in characters
+ Element * elementToTell;
+ Button upArrow, downArrow, upArrow2;
+ vector<string> item;
+
+ private:
+ uint32 yRelativePoint;
+};
+
+ListBox::ListBox(uint32 x, uint32 y, uint32 w, uint32 h): Element(x, y, w, h),
+ thumbClicked(false), windowPtr(0), cursor(0), limit(0), charWidth((w / FONT_WIDTH) - 1),
+ charHeight(h / FONT_HEIGHT), elementToTell(NULL), upArrow(w - 8, 0, upArrowBox),
+ downArrow(w - 8, h - 8, downArrowBox), upArrow2(w - 8, h - 16, upArrowBox)
+{
+ upArrow.SetNotificationElement(this);
+ downArrow.SetNotificationElement(this);
+ upArrow2.SetNotificationElement(this);
+ extents.w -= 8; // Make room for scrollbar...
+}
+
+void ListBox::HandleKey(SDLKey key)
+{
+ if (key == SDLK_DOWN)
+ {
+ if (cursor != limit - 1) // Cursor is within its window
+ cursor++;
+ else // Otherwise, scroll the window...
+ {
+ if (cursor + windowPtr != item.size() - 1)
+ windowPtr++;
+ }
+ }
+ else if (key == SDLK_UP)
+ {
+ if (cursor != 0)
+ cursor--;
+ else
+ {
+ if (windowPtr != 0)
+ windowPtr--;
+ }
+ }
+ else if (key == SDLK_PAGEDOWN)
+ {
+ if (cursor != limit - 1)
+ cursor = limit - 1;
+ else
+ {
+ windowPtr += limit;
+ if (windowPtr > item.size() - limit)
+ windowPtr = item.size() - limit;
+ }
+ }
+ else if (key == SDLK_PAGEUP)
+ {
+ if (cursor != 0)
+ cursor = 0;
+ else
+ {
+ if (windowPtr < limit)
+ windowPtr = 0;
+ else
+ windowPtr -= limit;
+ }
+ }
+ else if (key >= SDLK_a && key <= SDLK_z)
+ {
+ // Advance cursor to filename with first letter pressed...
+ uint8 which = (key - SDLK_a) + 65; // Convert key to A-Z char
+
+ for(uint32 i=0; i<item.size(); i++)
+ {
+ if ((item[i][0] & 0xDF) == which)
+ {
+ cursor = i - windowPtr;
+ if (i > windowPtr + limit - 1)
+ windowPtr = i - limit + 1, cursor = limit - 1;
+ if (i < windowPtr)
+ windowPtr = i, cursor = 0;
+ break;
+ }
+ }
+ }
+}
+
+void ListBox::HandleMouseMove(uint32 x, uint32 y)
+{
+ upArrow.HandleMouseMove(x - extents.x, y - extents.y);
+ downArrow.HandleMouseMove(x - extents.x, y - extents.y);
+ upArrow2.HandleMouseMove(x - extents.x, y - extents.y);
+
+ if (thumbClicked)
+ {
+ uint32 sbHeight = extents.h - 24,
+ thumb = (uint32)(((float)limit / (float)item.size()) * (float)sbHeight);
+
+//yRelativePoint is the spot on the thumb where we clicked...
+ int32 newThumbStart = y - yRelativePoint;
+
+ if (newThumbStart < 0)
+ newThumbStart = 0;
+
+ if ((uint32)newThumbStart > sbHeight - thumb)
+ newThumbStart = sbHeight - thumb;
+
+ windowPtr = (uint32)(((float)newThumbStart / (float)sbHeight) * (float)item.size());
+//Check for cursor bounds as well... Or do we need to???
+//Actually, we don't...!
+ }
+}
+
+void ListBox::HandleMouseButton(uint32 x, uint32 y, bool mouseDown)
+{
+ if (Inside(x, y) && mouseDown)
+ {
+ // Why do we have to do this??? (- extents.y?)
+ // I guess it's because only the Window class has offsetting implemented... !!! FIX !!!
+// cursor = (y - extents.y) / 8;
+ cursor = (y - extents.y) / FONT_HEIGHT;
+ }
+
+ // Check for a hit on the scrollbar...
+ if (x > (uint32)(extents.x + extents.w) && x <= (uint32)(extents.x + extents.w + 8)
+ && y > (uint32)(extents.y + 8) && y <= (uint32)(extents.y + extents.h - 16))
+ {
+ if (mouseDown)
+ {
+// This shiaut should be calculated in AddItem(), not here... (or in Draw() for that matter)
+ uint32 sbHeight = extents.h - 24,
+ thumb = (uint32)(((float)limit / (float)item.size()) * (float)sbHeight),
+ thumbStart = (uint32)(((float)windowPtr / (float)item.size()) * (float)sbHeight);
+
+ // Did we hit the thumb?
+ if (y >= (extents.y + 8 + thumbStart) && y < (extents.y + 8 + thumbStart + thumb))
+ thumbClicked = true, yRelativePoint = y - thumbStart;
+ }
+//Seems that this is useless--never reached except in rare cases and that the code outside is
+//more effective...
+// else
+// thumbClicked = false;
+ }
+
+ if (!mouseDown)
+ thumbClicked = false;
+
+ upArrow.HandleMouseButton(x - extents.x, y - extents.y, mouseDown);
+ downArrow.HandleMouseButton(x - extents.x, y - extents.y, mouseDown);
+ upArrow2.HandleMouseButton(x - extents.x, y - extents.y, mouseDown);
+}
+
+void ListBox::Draw(uint32 offsetX/*= 0*/, uint32 offsetY/*= 0*/)
+{
+ for(uint32 i=0; i<limit; i++)
+ {
+ // Strip off the extension
+ // (extension stripping should be an option, not default!)
+ string s(item[windowPtr + i], 0, item[windowPtr + i].length() - 4);
+// DrawString(screenBuffer, extents.x + offsetX, extents.y + offsetY + i*8,
+ DrawString(screenBuffer, extents.x + offsetX, extents.y + offsetY + i*FONT_HEIGHT,
+ (cursor == i ? true : false), "%-*.*s", charWidth, charWidth, s.c_str());
+ }
+
+ upArrow.Draw(extents.x + offsetX, extents.y + offsetY);
+ downArrow.Draw(extents.x + offsetX, extents.y + offsetY);
+ upArrow2.Draw(extents.x + offsetX, extents.y + offsetY);
+
+ uint32 sbHeight = extents.h - 24,
+ thumb = (uint32)(((float)limit / (float)item.size()) * (float)sbHeight),
+ thumbStart = (uint32)(((float)windowPtr / (float)item.size()) * (float)sbHeight);
+
+ for(uint32 y=extents.y+offsetY+8; y<extents.y+offsetY+extents.h-16; y++)
+ {
+// for(uint32 x=extents.x+offsetX+extents.w-8; x<extents.x+offsetX+extents.w; x++)
+ for(uint32 x=extents.x+offsetX+extents.w; x<extents.x+offsetX+extents.w+8; x++)
+ {
+ if (y >= thumbStart + (extents.y+offsetY+8) && y < thumbStart + thumb + (extents.y+offsetY+8))
+// screenBuffer[x + (y * pitch)] = (thumbClicked ? 0x458E : 0xFFFF);
+//458E -> 01 0001 0 1100 0 1110 -> 0100 0101 0110 0011 0111 0011 -> 45 63 73
+ screenBuffer[x + (y * pitch)] = (thumbClicked ? 0xFF736345 : 0xFFFFFFFF);
+ else
+// screenBuffer[x + (y * pitch)] = 0x0200;
+//0200 -> 000000 10000 00000 -> 00 1000 0100 00
+ screenBuffer[x + (y * pitch)] = 0xFF008400;
+ }
+ }
+}
+
+void ListBox::Notify(Element * e)
+{
+ if (e == &upArrow || e == &upArrow2)
+ {
+ if (windowPtr != 0)
+ {
+ windowPtr--;
+
+ if (cursor < limit - 1)
+ cursor++;
+ }
+ }
+ else if (e == &downArrow)
+ {
+ if (windowPtr < item.size() - limit)
+ {
+ windowPtr++;
+
+ if (cursor != 0)
+ cursor--;
+ }
+ }
+}
+
+void ListBox::AddItem(string s)