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/* 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_EDITABLE_H
#define GUI_WIDGETS_EDITABLE_H
#include "common/keyboard.h"
#include "common/str.h"
#include "gui/widget.h"
#include "gui/ThemeEngine.h"
#include "gui/object.h"
namespace Common {
struct Rect;
}
namespace GUI {
/**
* Base class for widgets which need to edit text, like ListWidget and
* EditTextWidget.
*/
class EditableWidget : public Widget, public CommandSender {
public:
typedef Common::String String;
protected:
String _editString;
uint32 _cmd;
bool _caretVisible;
uint32 _caretTime;
int _caretPos;
bool _caretInverse;
int _editScrollOffset;
ThemeEngine::FontStyle _font;
ThemeEngine::TextInversionState _inversion;
public:
EditableWidget(GuiObject *boss, int x, int y, int w, int h, const char *tooltip = 0, uint32 cmd = 0);
EditableWidget(GuiObject *boss, const String &name, const char *tooltip = 0, uint32 cmd = 0);
virtual ~EditableWidget();
void init();
virtual void setEditString(const String &str);
virtual const String &getEditString() const { return _editString; }
virtual void handleTickle();
virtual bool handleKeyDown(Common::KeyState state);
virtual void reflowLayout();
bool setCaretPos(int newPos);
protected:
virtual void startEditMode() = 0;
virtual void endEditMode() = 0;
virtual void abortEditMode() = 0;
/**
* The area where text input is being made. This should exactly match the
* rect with which the actual edit string is drawn otherwise nasty
* graphics glitches when redrawing the caret can occur.
*/
virtual Common::Rect getEditRect() const = 0;
virtual int getCaretOffset() const;
void drawCaret(bool erase);
bool adjustOffset();
void makeCaretVisible();
void defaultKeyDownHandler(Common::KeyState &state, bool &dirty, bool &forcecaret, bool &handled);
void setFontStyle(ThemeEngine::FontStyle font) { _font = font; }
virtual bool tryInsertChar(byte c, int pos);
};
} // End of namespace GUI
#endif
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