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124 lines
3.4 KiB
C++
124 lines
3.4 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef GUI_WIDGETS_TAB_H
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#define GUI_WIDGETS_TAB_H
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#include "gui/widget.h"
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#include "common/str.h"
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#include "common/array.h"
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namespace GUI {
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enum {
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kTabForwards = 1,
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kTabBackwards = -1
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};
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class TabWidget : public Widget {
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typedef Common::String String;
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struct Tab {
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String title;
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Widget *firstWidget;
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};
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typedef Common::Array<Tab> TabList;
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protected:
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int _activeTab;
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int _firstVisibleTab;
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TabList _tabs;
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int _tabWidth;
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int _tabHeight;
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int _bodyRP, _bodyTP, _bodyLP, _bodyBP;
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ThemeEngine::DialogBackground _bodyBackgroundType;
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int _titleVPad;
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int _butRP, _butTP, _butW, _butH;
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ButtonWidget *_navLeft, *_navRight;
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public:
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TabWidget(GuiObject *boss, int x, int y, int w, int h);
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TabWidget(GuiObject *boss, const String &name);
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~TabWidget();
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void init();
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/**
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* Add a new tab with the given title. Returns a unique ID which can be used
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* to identify the tab (to remove it / activate it etc.).
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*/
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int addTab(const String &title);
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/**
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* Remove the tab with the given tab ID. Disposes all child widgets of that tab.
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* TODO: This code is *unfinished*. In particular, it changes the
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* tabIDs, so that they are not unique anymore! This is bad.
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* If we need to, we could fix this by changing the tab IDs from being an index
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* into the _tabs array to a real "unique" ID, which gets stored in the Tab struct.
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* It won't be difficult to implement this, but since currently no code seems to make
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* use of the feature...
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*/
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void removeTab(int tabID);
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int getActiveTab() {
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return _activeTab;
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}
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/**
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* Set the active tab by specifying a valid tab ID.
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* setActiveTab changes the value of _firstWidget. This means new
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* Widgets are always added to the active tab.
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*/
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void setActiveTab(int tabID);
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void setTabTitle(int tabID, const String &title) {
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assert(0 <= tabID && tabID < (int)_tabs.size());
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_tabs[tabID].title = title;
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}
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virtual void handleMouseDown(int x, int y, int button, int clickCount);
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virtual bool handleKeyDown(Common::KeyState state);
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virtual void handleCommand(CommandSender *sender, uint32 cmd, uint32 data);
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virtual void reflowLayout();
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virtual void draw();
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protected:
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// We overload getChildY to make sure child widgets are positioned correctly.
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// Essentially this compensates for the space taken up by the tab title header.
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virtual int16 getChildY() const;
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virtual void drawWidget();
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virtual Widget *findWidget(int x, int y);
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virtual void adjustTabs(int value);
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};
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} // End of namespace GUI
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#endif
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