Initial commit

engines/sci/graphics/menu.h

@@ -0,0 +1,134 @@
+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef SCI_GRAPHICS_MENU_H
+#define SCI_GRAPHICS_MENU_H
+
+namespace Sci {
+
+enum {
+	SCI_MENU_ATTRIBUTE_SAID		= 0x6d,
+	SCI_MENU_ATTRIBUTE_TEXT		= 0x6e,
+	SCI_MENU_ATTRIBUTE_KEYPRESS	= 0x6f,
+	SCI_MENU_ATTRIBUTE_ENABLED	= 0x70,
+	SCI_MENU_ATTRIBUTE_TAG		= 0x71
+};
+
+enum {
+	SCI_MENU_REPLACE_ONCONTROL	= 0x03,
+	SCI_MENU_REPLACE_ONALT		= 0x02,
+	SCI_MENU_REPLACE_ONFUNCTION	= 'F'
+};
+
+struct GuiMenuEntry {
+	uint16 id;
+	Common::String text;
+	Common::String textSplit;
+	int16 textWidth;
+
+	GuiMenuEntry(uint16 curId)
+	 : id(curId), textWidth(0) { }
+};
+typedef Common::List<GuiMenuEntry *> GuiMenuList;
+
+struct GuiMenuItemEntry {
+	uint16 menuId;
+	uint16 id;
+	bool enabled;
+	uint16 tag;
+	uint16 keyPress;
+	uint16 keyModifier;
+	bool separatorLine;
+	reg_t saidVmPtr;
+	Common::String text;
+	Common::String textSplit;
+	reg_t textVmPtr;
+	int16 textWidth;
+	Common::String textRightAligned;
+	int16 textRightAlignedWidth;
+
+	GuiMenuItemEntry(uint16 curMenuId, uint16 curId)
+	 : menuId(curMenuId), id(curId),
+		enabled(true), tag(0), keyPress(0), keyModifier(0), separatorLine(false), textWidth(0), textRightAlignedWidth(0) {
+		saidVmPtr = NULL_REG;
+		textVmPtr = NULL_REG;
+	}
+};
+typedef Common::List<GuiMenuItemEntry *> GuiMenuItemList;
+
+/**
+ * Menu class, handles game pulldown menu for SCI16 (SCI0-SCI1.1) games
+ */
+class GfxMenu {
+public:
+	GfxMenu(EventManager *event, SegManager *segMan, GfxPorts *ports, GfxPaint16 *paint16, GfxText16 *text16, GfxScreen *screen, GfxCursor *cursor);
+	~GfxMenu();
+
+	void reset();
+	void kernelAddEntry(const Common::String &title, Common::String content, reg_t contentVmPtr);
+	void kernelSetAttribute(uint16 menuId, uint16 itemId, uint16 attributeId, reg_t value);
+	reg_t kernelGetAttribute(uint16 menuId, uint16 itemId, uint16 attributeId);
+
+	void drawBar();
+	reg_t kernelSelect(reg_t eventObject, bool pauseSound);
+
+	void kernelDrawStatus(const char *text, int16 colorPen, int16 colorBack);
+	void kernelDrawMenuBar(bool clear);
+
+private:
+	GuiMenuItemEntry *findItem(uint16 menuId, uint16 itemId);
+	void calculateMenuWidth();
+	void calculateMenuAndItemWidth();
+	void drawMenu(uint16 oldMenuId, uint16 newMenuId);
+	void invertMenuSelection(uint16 itemId);
+	void interactiveStart(bool pauseSound);
+	void interactiveEnd(bool pauseSound);
+	GuiMenuItemEntry *interactiveWithKeyboard();
+	GuiMenuItemEntry *interactiveWithMouse();
+	uint16 mouseFindMenuSelection(Common::Point mousePosition);
+	uint16 mouseFindMenuItemSelection(Common::Point mousePosition, uint16 menuId);
+	GuiMenuItemEntry *interactiveGetItem(uint16 menuId, uint16 itemId, bool menuChanged);
+
+	EventManager *_event;
+	SegManager *_segMan;
+	GfxPorts *_ports;
+	GfxPaint16 *_paint16;
+	GfxText16 *_text16;
+	GfxScreen *_screen;
+	GfxCursor *_cursor;
+
+	GuiMenuList _list;
+	GuiMenuItemList _itemList;
+
+	uint16 _curMenuId;
+	uint16 _curItemId;
+
+	Port *_oldPort;
+	reg_t _barSaveHandle;
+	reg_t _menuSaveHandle;
+	Common::Rect _menuRect;
+
+	bool _mouseOldState;
+};
+
+} // End of namespace Sci
+
+#endif // SCI_GRAPHICS_MENU_H