Initial commit

engines/dgds/menu.h

@@ -0,0 +1,120 @@
+/* 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 DGDS_MENU_H
+#define DGDS_MENU_H
+
+#include "graphics/surface.h"
+#include "dgds/request.h"
+
+namespace Dgds {
+
+class REQFileData;
+
+enum MenuId {
+	// Request data numbers, most are same in both RoTD and China VCRs
+	kMenuNone = 0,
+	kMenuMainBeamish = 3,
+	kMenuMain = 5,
+	kMenuControls = 7,
+	kMenuOptions = 29,
+	kMenuCalibrate = 30,
+	kMenuFiles = 21,
+	kMenuGameOver = 41,
+	kMenuRestart = 39,
+	kMenuCantSave = 36,
+	kMenuSaveNeedName = 43,
+	kMenuNotSavedDiskFull = 42,
+	kMenuReplaceSave = 38,
+	kMenuSaveDlg = 23,
+	kMenuChangeDir = 25,
+	kMenuAskCreateDir = 26,
+	kMenuInvalidDir = 37,
+	kMenuCalibrateJoystick = 28,
+	kMenuCalibrateMouse = 32,
+	kMenuReallyQuit = 35,
+	kMenuReplayArcade = 45,
+	kMenuSaveBeforeArcade = 46,
+	kMenuArcadeFrustrated = 47,
+	kMenuSkipPlayIntro = 50,
+	kMenuSkipArcade = 52,
+	kMenuWillyVCRHelp = 54,
+	kMenuWillyCredits = 56,
+};
+
+class Menu {
+private:
+	Graphics::Surface _screenBuffer;
+	MenuId _curMenu = kMenuMain;
+
+public:
+	Menu();
+	virtual ~Menu();
+
+	void setScreenBuffer();
+	void drawMenu(MenuId menu = kMenuMain, bool clearScreen = true);
+	void onMouseLUp(const Common::Point &mouse);
+	void onMouseLDown(const Common::Point &mouse);
+	void onMouseMove(const Common::Point &mouse);
+	bool menuShown() const { return _curMenu != kMenuNone; }
+	void hideMenu();
+
+	void setRequestData(const REQFileData &data);
+	void loadVCRHelp(const char *fname);
+	void prevChoice();
+	void nextChoice();
+	void activateChoice();
+	void onTick();
+
+private:
+	Gadget *getClickedMenuItem(const Common::Point &mouseClick);
+	void drawMenuText(Graphics::ManagedSurface &dst);
+	void drawCreditsText(Graphics::ManagedSurface &dst);
+	void toggleGadget(int16 gadgetId, bool enable);
+	void configureGadget(MenuId menu, Gadget *gadget);
+	bool updateOptionsGadget(Gadget *gadget);
+	bool handleClick(const Common::Point &mouse);
+	void handleClickOptionsMenu(const Common::Point &mouse);
+	void handleClickSkipPlayIntroMenu(const Common::Point &mouse);
+	void loadCredits();
+	void startVcrHelp();
+	void doVcrHelp(int16 button);
+	uint16 mapMenuNum(uint16 num) const;
+
+	void putMouseOnSelectedItem();
+	Gadget *getSelectedItem();
+
+	Common::HashMap<int, RequestData> _menuRequests;
+
+	Common::HashMap<int16, Common::Array<Common::String>> _helpStrings;
+	Common::Array<Common::String> _credits;
+
+	SliderGadget *_dragGadget;
+	Common::Point _dragStartPt;
+	int _selectedItem;
+	int _numSelectable;
+	int _creditsOffset;
+	bool _vcrHelpMode;
+};
+
+} // End of namespace Dgds
+
+#endif // DGDS_DGDS_H