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