Initial common base between kyra2 and kyra3 GUI code.

svn-id: r31867

1 files changed, 387 insertions, 0 deletions

diff --git a/engines/kyra/gui_v2.cpp b/engines/kyra/gui_v2.cpp
new file mode 100644
index 0000000000..e449c6b22c
--- /dev/null
+++ b/engines/kyra/gui_v2.cpp
@@ -0,0 +1,387 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "kyra/gui_v2.h"
+#include "kyra/kyra_v2.h"
+#include "kyra/screen_v2.h"
+
+namespace Kyra {
+
+GUI_v2::GUI_v2(KyraEngine_v2 *vm) : GUI(vm), _vm(vm), _screen(vm->screen_v2()) {
+	_backUpButtonList = _unknownButtonList = 0;
+	_buttonListChanged = false;
+}
+
+Button *GUI_v2::addButtonToList(Button *list, Button *newButton) {
+	list = GUI::addButtonToList(list, newButton);
+	_buttonListChanged = true;
+	return list;
+}
+
+void GUI_v2::processButton(Button *button) {
+	if (!button)
+		return;
+
+	if (button->flags & 8) {
+		if (button->flags & 0x10) {
+			// XXX
+		}
+		return;
+	}
+	
+	int entry = button->flags2 & 5;
+
+	byte val1 = 0, val2 = 0, val3 = 0;
+	const uint8 *dataPtr = 0;
+	Button::Callback callback;
+	if (entry == 1) {
+		val1 = button->data1Val1;
+		dataPtr = button->data1ShapePtr;
+		callback = button->data1Callback;
+		val2 = button->data1Val2;
+		val3 = button->data1Val3;
+	} else if (entry == 4 || entry == 5) {
+		val1 = button->data2Val1;
+		dataPtr = button->data2ShapePtr;
+		callback = button->data2Callback;
+		val2 = button->data2Val2;
+		val3 = button->data2Val3;
+	} else {
+		val1 = button->data0Val1;
+		dataPtr = button->data0ShapePtr;
+		callback = button->data0Callback;
+		val2 = button->data0Val2;
+		val3 = button->data0Val3;
+	}
+
+	int x = 0, y = 0, x2 = 0, y2 = 0;
+
+	x = button->x;
+	if (x < 0)
+		x += _screen->getScreenDim(button->dimTableIndex)->w << 3;
+	x += _screen->getScreenDim(button->dimTableIndex)->sx << 3;
+	x2 = x + button->width - 1;
+
+	y = button->y;
+	if (y < 0)
+		y += _screen->getScreenDim(button->dimTableIndex)->h << 3;
+	y += _screen->getScreenDim(button->dimTableIndex)->sy << 3;
+	y2 = y + button->height - 1;
+
+	switch (val1 - 1) {
+	case 0:
+		_screen->hideMouse();
+		_screen->drawShape(_screen->_curPage, dataPtr, x, y, button->dimTableIndex, 0x10);
+		_screen->showMouse();
+		break;
+
+	case 1:
+		_screen->hideMouse();
+		_screen->printText((const char*)dataPtr, x, y, val2, val3);
+		_screen->showMouse();
+		break;
+
+	case 3:
+		if (callback)
+			(*callback)(button);
+		break;
+
+	case 4:
+		_screen->hideMouse();
+		_screen->drawBox(x, y, x2, y2, val2);
+		_screen->showMouse();
+		break;
+
+	case 5:
+		_screen->hideMouse();
+		_screen->fillRect(x, y, x2, y2, val2, -1, true);
+		_screen->showMouse();
+		break;
+
+	default:
+		break;
+	}
+
+	_screen->updateScreen();
+}
+
+int GUI_v2::processButtonList(Button *buttonList, uint16 inputFlag) {
+	static uint16 flagsModifier = 0;
+
+	if (!buttonList)
+		return inputFlag & 0x7FFF;
+
+	if (_backUpButtonList != buttonList || _buttonListChanged) {
+		_unknownButtonList = 0;
+		//flagsModifier |= 0x2200;
+		_backUpButtonList = buttonList;
+		_buttonListChanged = false;
+
+		while (buttonList) {
+			processButton(buttonList);
+			buttonList = buttonList->nextButton;
+		}
+	}
+
+	int mouseX = _vm->_mouseX;
+	int mouseY = _vm->_mouseY;
+
+	uint16 flags = 0;
+
+	if (1/*!_screen_cursorDisable*/) {
+		uint16 inFlags = inputFlag & 0xFF;
+		uint16 temp = 0;
+
+		// HACK: inFlags == 200 is our left button (up)
+		if (inFlags == 199 || inFlags == 200)
+			temp = 0x1000;
+		if (inFlags == 198)
+			temp = 0x100;
+
+		if (inputFlag & 0x800)
+			temp <<= 2;
+
+		flags |= temp;
+
+		flagsModifier &= ~((temp & 0x4400) >> 1);
+		flagsModifier |= (temp & 0x1100) * 2;
+		flags |= flagsModifier;
+		flags |= (flagsModifier << 2) ^ 0x8800;
+	}
+
+	buttonList = _backUpButtonList;
+	if (_unknownButtonList) {
+		buttonList = _unknownButtonList;
+		if (_unknownButtonList->flags & 8)
+			_unknownButtonList = 0;
+	}
+
+	int returnValue = 0;
+	while (buttonList) {
+		if (buttonList->flags & 8) {
+			buttonList = buttonList->nextButton;
+			continue;
+		}
+		buttonList->flags2 &= ~0x18;
+		buttonList->flags2 |= (buttonList->flags2 & 3) << 3;
+
+		int x = buttonList->x;
+		if (x < 0)
+			x += _screen->getScreenDim(buttonList->dimTableIndex)->w << 3;
+		x += _screen->getScreenDim(buttonList->dimTableIndex)->sx << 3;
+
+		int y = buttonList->y;
+		if (y < 0)
+			y += _screen->getScreenDim(buttonList->dimTableIndex)->h;
+		y += _screen->getScreenDim(buttonList->dimTableIndex)->sy;
+
+		bool progress = false;
+
+		if (mouseX >= x && mouseY >= y && mouseX <= x+buttonList->width && mouseY <= y+buttonList->height)
+			progress = true;
+
+		buttonList->flags2 &= ~0x80;
+		uint16 inFlags = inputFlag & 0x7FFF;
+		if (inFlags) {
+			if (buttonList->unk6 == inFlags) {
+				progress = true;
+				flags = buttonList->flags & 0x0F00;
+				buttonList->flags2 |= 0x80;
+				inputFlag = 0;
+				_unknownButtonList = buttonList;
+			} else if (buttonList->unk8 == inFlags) {
+				flags = buttonList->flags & 0xF000;
+				if (!flags)
+					flags = buttonList->flags & 0x0F00;
+				progress = true;
+				buttonList->flags2 |= 0x80;
+				inputFlag = 0;
+				_unknownButtonList = buttonList;
+			}
+		}
+
+		bool unk1 = false;
+		if (!progress)
+			buttonList->flags2 &= ~6;
+
+		if ((flags & 0x3300) && (buttonList->flags & 4) && progress && (buttonList == _unknownButtonList || !_unknownButtonList)) {
+			buttonList->flags |= 6;
+			if (!_unknownButtonList)
+				_unknownButtonList = buttonList;
+		} else if ((flags & 0x8800) && !(buttonList->flags & 4) && progress) {
+			buttonList->flags2 |= 6;
+		} else {
+			buttonList->flags2 &= ~6;
+		}
+
+		bool progressSwitch = false;
+		if (!_unknownButtonList) {
+			progressSwitch = progress;
+		} else  {
+			if (_unknownButtonList->flags & 0x40)
+				progressSwitch = (_unknownButtonList == buttonList);
+			else
+				progressSwitch = progress;
+		}
+
+		if (progressSwitch) {
+			if ((flags & 0x1100) && progress && !_unknownButtonList) {
+				inputFlag = 0;
+				_unknownButtonList = buttonList;
+			}
+
+			if ((buttonList->flags & flags) && (progress || !(buttonList->flags & 1))) {
+				uint16 combinedFlags = (buttonList->flags & flags);
+				combinedFlags = ((combinedFlags & 0xF000) >> 4) | (combinedFlags & 0x0F00);
+				combinedFlags >>= 8;
+
+				static const uint16 flagTable[] = {
+					0x000, 0x100, 0x200, 0x100, 0x400, 0x100, 0x400, 0x100, 0x800, 0x100,
+					0x200, 0x100, 0x400, 0x100, 0x400, 0x100
+				};
+
+				assert(combinedFlags < ARRAYSIZE(flagTable));
+
+				switch (flagTable[combinedFlags]) {
+				case 0x400:
+					if (!(buttonList->flags & 1) || ((buttonList->flags & 1) && _unknownButtonList == buttonList)) {
+						buttonList->flags2 ^= 1;
+						returnValue = buttonList->index | 0x8000;
+						unk1 = true;
+					}
+
+					if (!(buttonList->flags & 4)) {
+						buttonList->flags2 &= ~4;
+						buttonList->flags2 &= ~2;
+					}
+					break;
+
+				case 0x800:
+					if (!(buttonList->flags & 4)) {
+						buttonList->flags2 |= 4;
+						buttonList->flags2 |= 2;
+					}
+
+					if (!(buttonList->flags & 1))
+						unk1 = true;
+					break;
+
+				case 0x200:
+					if (buttonList->flags & 4) {
+						buttonList->flags2 |= 4;
+						buttonList->flags2 |= 2;
+					}
+
+					if (!(buttonList->flags & 1))
+						unk1 = true;
+					break;
+
+				case 0x100:
+				default:
+					buttonList->flags2 ^= 1;
+					returnValue = buttonList->index | 0x8000;
+					unk1 = true;
+					if (buttonList->flags & 4) {
+						buttonList->flags2 |= 4;
+						buttonList->flags2 |= 2;
+					}
+					_unknownButtonList = buttonList;
+					break;
+				}
+			}
+		}
+
+		bool unk2 = false;
+		if ((flags & 0x2200) && progress) {
+			buttonList->flags2 |= 6;
+			if (!(buttonList->flags & 4) && !(buttonList->flags2 & 1)) {
+				unk2 = true;
+				buttonList->flags2 |= 1;
+			}
+		}
+
+		if ((flags & 0x8800) == 0x8800) {
+			_unknownButtonList = 0;
+			if (!progress || (buttonList->flags & 4))
+				buttonList->flags2 &= ~6;
+		}
+
+		if (!progress && buttonList == _unknownButtonList && !(buttonList->flags & 0x40))
+			_unknownButtonList = 0;
+
+		if ((buttonList->flags2 & 0x18) != ((buttonList->flags2 & 3) << 3))
+			processButton(buttonList);
+
+		if (unk2)
+			buttonList->flags2 &= ~1;
+
+		if (unk1) {
+			buttonList->flags2 &= 0xFF;
+			buttonList->flags2 |= flags;
+
+			if (buttonList->buttonCallback) {
+				_vm->removeInputTop();
+				if ((*buttonList->buttonCallback.get())(buttonList))
+					break;
+			}
+			
+			if (buttonList->flags & 0x20)
+				break;
+		}
+
+		if (_unknownButtonList == buttonList && (buttonList->flags & 0x40))
+			break;
+
+		buttonList = buttonList->nextButton;
+	}
+
+	if (!returnValue)
+		returnValue = inputFlag & 0x7FFF;
+	return returnValue;
+}
+
+void GUI_v2::updateButton(Button *button) {
+	if (!button || (button->flags & 8))
+		return;
+
+	if (button->flags2 & 1)
+		button->flags2 |= 8;
+	else
+		button->flags2 |= ~8;
+
+	button->flags2 &= ~1;
+
+	if (button->flags2 & 4)
+		button->flags2 |= 0x10;
+	else
+		button->flags2 &= ~0x10;
+
+	button->flags2 &= ~4;
+
+	processButton(button);
+}
+
+} // end of namespace Kyra
+