/* 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. * */ #ifndef GUI_WIDGETS_TAB_H #define GUI_WIDGETS_TAB_H #include "gui/widget.h" #include "common/str.h" #include "common/array.h" namespace GUI { enum { kTabForwards = 1, kTabBackwards = -1 }; class TabWidget : public Widget { typedef Common::String String; struct Tab { String title; Widget *firstWidget; }; typedef Common::Array<Tab> TabList; protected: int _activeTab; int _firstVisibleTab; TabList _tabs; int _tabWidth; int _tabHeight; int _bodyRP, _bodyTP, _bodyLP, _bodyBP; ThemeEngine::DialogBackground _bodyBackgroundType; int _titleVPad; int _butRP, _butTP, _butW, _butH; ButtonWidget *_navLeft, *_navRight; public: TabWidget(GuiObject *boss, int x, int y, int w, int h); TabWidget(GuiObject *boss, const String &name); ~TabWidget(); void init(); /** * Add a new tab with the given title. Returns a unique ID which can be used * to identify the tab (to remove it / activate it etc.). */ int addTab(const String &title); /** * Remove the tab with the given tab ID. Disposes all child widgets of that tab. * TODO: This code is *unfinished*. In particular, it changes the * tabIDs, so that they are not unique anymore! This is bad. * If we need to, we could fix this by changing the tab IDs from being an index * into the _tabs array to a real "unique" ID, which gets stored in the Tab struct. * It won't be difficult to implement this, but since currently no code seems to make * use of the feature... */ void removeTab(int tabID); int getActiveTab() { return _activeTab; } /** * Set the active tab by specifying a valid tab ID. * setActiveTab changes the value of _firstWidget. This means new * Widgets are always added to the active tab. */ void setActiveTab(int tabID); void setTabTitle(int tabID, const String &title) { assert(0 <= tabID && tabID < (int)_tabs.size()); _tabs[tabID].title = title; } virtual void handleMouseDown(int x, int y, int button, int clickCount); virtual bool handleKeyDown(Common::KeyState state); virtual void handleCommand(CommandSender *sender, uint32 cmd, uint32 data); virtual void reflowLayout(); virtual void draw(); protected: // We overload getChildY to make sure child widgets are positioned correctly. // Essentially this compensates for the space taken up by the tab title header. virtual int16 getChildY() const; virtual void drawWidget(); virtual Widget *findWidget(int x, int y); virtual void adjustTabs(int value); }; } // End of namespace GUI #endif