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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
/*
* The ManaPlus Client
* Copyright (C) 2008-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2013 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* 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
* 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_GUITABLE_H
#define GUI_WIDGETS_GUITABLE_H
#include "localconsts.h"
#include "gui/widgets/tablemodel.h"
#include "gui/widgets/widget2.h"
#include <guichan/keylistener.hpp>
#include <guichan/mouselistener.hpp>
#include <guichan/widget.hpp>
#include <vector>
class GuiTableActionListener;
/**
* A table, with rows and columns made out of sub-widgets. Largely inspired by
* (and can be thought of as a generalisation of) the guichan listbox
* implementation.
*
* Normally you want this within a ScrollArea.
*
* \ingroup GUI
*/
class GuiTable final : public gcn::Widget,
public Widget2,
public gcn::MouseListener,
public gcn::KeyListener,
public TableModelListener
{
// so that the action listener can call distributeActionEvent
friend class GuiTableActionListener;
public:
GuiTable(const Widget2 *const widget,
TableModel *const initial_model = nullptr,
const bool opacity = true);
A_DELETE_COPY(GuiTable)
virtual ~GuiTable();
/**
* Retrieves the active table model
*/
const TableModel *getModel() const A_WARN_UNUSED;
/**
* Sets the table model
*
* Note that actions issued by widgets returned from the model will update
* the table selection, but only AFTER any event handlers installed within
* the widget have been triggered. To be notified after such an update, add
* an action listener to the table instead.
*/
void setModel(TableModel *const m);
void setSelected(const int row, const int column);
int getSelectedRow() const A_WARN_UNUSED;
int getSelectedColumn() const A_WARN_UNUSED;
void setSelectedRow(const int selected);
void setSelectedColumn(const int selected);
bool isWrappingEnabled() const A_WARN_UNUSED
{ return mWrappingEnabled; }
void setWrappingEnabled(bool wrappingEnabled)
{ mWrappingEnabled = wrappingEnabled; }
gcn::Rectangle getChildrenArea() override A_WARN_UNUSED;
/**
* Toggle whether to use linewise selection mode, in which the table selects
* an entire line at a time, rather than a single cell.
*
* Note that column information is tracked even in linewise selection mode;
* this mode therefore only affects visualisation.
*
* Disabled by default.
*
* \param linewise: Whether to enable linewise selection mode
*/
void setLinewiseSelection(bool linewise);
// Inherited from Widget
void draw(gcn::Graphics* graphics) override;
gcn::Widget *getWidgetAt(int x, int y) override A_WARN_UNUSED;
void moveToTop(gcn::Widget *child) override;
void moveToBottom(gcn::Widget *child) override;
void _setFocusHandler(gcn::FocusHandler* focusHandler) override;
// Inherited from KeyListener
void keyPressed(gcn::KeyEvent& keyEvent) override;
/**
* Sets the table to be opaque, that is sets the table
* to display its background.
*
* @param opaque True if the table should be opaque, false otherwise.
*/
void setOpaque(bool opaque)
{ mOpaque = opaque; }
/**
* Checks if the table is opaque, that is if the table area displays its
* background.
*
* @return True if the table is opaque, false otherwise.
*/
bool isOpaque() const A_WARN_UNUSED
{ return mOpaque; }
// Inherited from MouseListener
void mousePressed(gcn::MouseEvent& mouseEvent) override;
void mouseWheelMovedUp(gcn::MouseEvent& mouseEvent) override;
void mouseWheelMovedDown(gcn::MouseEvent& mouseEvent) override;
void mouseDragged(gcn::MouseEvent& mouseEvent) override;
// Constraints inherited from TableModelListener
void modelUpdated(bool) override;
void requestFocus();
protected:
/** Frees all action listeners on inner widgets. */
void uninstallActionListeners();
/** Installs all action listeners on inner widgets. */
void installActionListeners();
int getRowHeight() const A_WARN_UNUSED;
int getColumnWidth(int i) const A_WARN_UNUSED;
private:
int getRowForY(int y) const A_WARN_UNUSED; // -1 on error
int getColumnForX(int x) const A_WARN_UNUSED; // -1 on error
void recomputeDimensions();
bool mLinewiseMode;
bool mWrappingEnabled;
bool mOpaque;
static float mAlpha;
TableModel *mModel;
int mSelectedRow;
int mSelectedColumn;
/** If someone moves a fresh widget to the top, we must display it. */
gcn::Widget *mTopWidget;
/** Vector for compactness; used as a list in practice. */
std::vector<GuiTableActionListener *> mActionListeners;
/**
* Holds the background color of the table.
*/
gcn::Color mBackgroundColor;
gcn::Color mHighlightColor;
};
#endif // GUI_WIDGETS_GUITABLE_H
|
