1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/* 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 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 {
protected:
Common::U32String _editString;
uint32 _cmd;
bool _caretVisible;
uint32 _caretTime;
int _caretPos;
bool _caretInverse;
int _editScrollOffset;
int _selCaretPos;
int _selOffset;
bool _shiftPressed;
bool _isDragging;
bool _disableSelection;
Graphics::TextAlign _align;
Graphics::TextAlign _drawAlign;
ThemeEngine::FontStyle _font;
ThemeEngine::TextInversionState _inversion;
public:
EditableWidget(GuiObject *boss, int x, int y, int w, int h, bool scale, const Common::U32String &tooltip = Common::U32String(), uint32 cmd = 0);
EditableWidget(GuiObject *boss, int x, int y, int w, int h, const Common::U32String &tooltip = Common::U32String(), uint32 cmd = 0);
EditableWidget(GuiObject *boss, const Common::String &name, const Common::U32String &tooltip = Common::U32String(), uint32 cmd = 0);
~EditableWidget() override;
void init();
virtual void setEditString(const Common::U32String &str);
virtual const Common::U32String &getEditString() const { return _editString; }
void handleTickle() override;
void handleMouseDown(int x, int y, int button, int clickCount) override;
void handleMouseUp(int x, int y, int button, int clickCount) override;
void handleMouseMoved(int x, int y, int button) override;
bool handleKeyDown(Common::KeyState state) override;
bool handleKeyUp(Common::KeyState state) override;
void handleOtherEvent(const Common::Event& evt) override;
void reflowLayout() override;
void moveCaretToStart(bool shiftPressed);
void moveCaretToEnd(bool shiftPressed);
bool setCaretPos(int newPos);
void setSelectionOffset(int newOffset);
protected:
void drawWidget() override;
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;
virtual int getSelectionCarretOffset() const;
void drawCaret(bool erase, bool useRelativeCoordinates = false);
bool adjustOffset();
void makeCaretVisible();
void defaultKeyDownHandler(Common::KeyState &state, bool &dirty, bool &forcecaret, bool &handled);
void setFontStyle(ThemeEngine::FontStyle font) { _font = font; }
virtual bool isCharAllowed(Common::u32char_type_t c) const;
bool tryInsertChar(Common::u32char_type_t c, int pos);
int caretVisualPos(int logicalPos) const;
int caretLogicalPos() const;
void clearSelection();
};
} // End of namespace GUI
#endif
|
