summaryrefslogtreecommitdiffstats
path: root/lib/compatibility/kmdi/qextmdi/ktabwidget.h
blob: 5c9ba940df266db929833620522e5f771a4567ef (plain)
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
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
/* This file is part of the KDE libraries
    Copyright (C) 2003 Stephan Binner <binner@kde.org>
    Copyright (C) 2003 Zack Rusin <zack@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#ifndef KTABWIDGET_H
#define KTABWIDGET_H

#include <tqtabwidget.h>
#include <tqstringlist.h>

#include <tdelibs_export.h>

class KTabWidgetPrivate;

/**
 * \brief A widget containing multiple tabs
 *
 * @since 3.2
 */
class TDEUI_EXPORT KTabWidget : public TQTabWidget
{
    Q_OBJECT
  
    TQ_PROPERTY( bool tabReorderingEnabled READ isTabReorderingEnabled WRITE setTabReorderingEnabled )
    TQ_PROPERTY( bool hoverCloseButton READ hoverCloseButton WRITE setHoverCloseButton )
    TQ_PROPERTY( bool hoverCloseButtonDelayed READ hoverCloseButtonDelayed WRITE setHoverCloseButtonDelayed )
    TQ_PROPERTY( bool tabCloseActivatePrevious READ tabCloseActivatePrevious WRITE setTabCloseActivatePrevious )
    TQ_PROPERTY( bool automaticResizeTabs READ automaticResizeTabs WRITE setAutomaticResizeTabs )

public:
    KTabWidget( TQWidget *parent = 0, const char *name = 0, WFlags f = 0 );
    /**
     * Destructor.
     */
    virtual ~KTabWidget();
    /*!
      Set the tab of the given widget to \a color.
    */
    void setTabColor( TQWidget *, const TQColor& color );
    TQColor tabColor( TQWidget * ) const;

    /*!
      Returns true if tab ordering with the middle mouse button
      has been enabled.
    */
    bool isTabReorderingEnabled() const;

    /*!
      Returns true if the close button is shown on tabs
      when mouse is hovering over them.
    */
    bool hoverCloseButton() const;

    /*!
      Returns true if the close button is shown on tabs
      after a delay.
    */
    bool hoverCloseButtonDelayed() const;

    /*!
      Returns true if closing the current tab activates the previous
      actice tab instead of the one to the right.
      @since 3.3
    */
    bool tabCloseActivatePrevious() const;

    /*!
      Returns true if calling setTitle() will resize tabs
      to the width of the tab bar.
      @since 3.4
    */
    bool automaticResizeTabs() const;

    /*!
      If \a hide is true, the tabbar is hidden along with any corner
      widgets.
      @since 3.4
    */
    void setTabBarHidden( bool hide );

    /*!
      Return true if the tabbar is hidden.
      @since 3.4
    */
    bool isTabBarHidden() const;

    /*!
      Reimplemented for internal reasons.
     */
    virtual void insertTab( TQWidget *, const TQString &, int index = -1 );

    /*!
      Reimplemented for internal reasons.
     */
    virtual void insertTab( TQWidget *child, const TQIconSet& iconset,
                            const TQString &label, int index = -1 );
    /*!
      Reimplemented for internal reasons.
    */
    virtual void insertTab( TQWidget *, TQTab *, int index = -1 );

    /*!
      Reimplemented for internal reasons.
    */
    void changeTab( TQWidget *, const TQString & );

    /*!
      Reimplemented for internal reasons.
    */
    void changeTab( TQWidget *child, const TQIconSet& iconset, const TQString &label );

    /*!
      Reimplemented for internal reasons.
    */
    TQString label( int ) const;

    /*!
      Reimplemented for internal reasons.
    */
    TQString tabLabel( TQWidget * ) const;

    /*!
      Reimplemented for internal reasons.
    */
    void setTabLabel( TQWidget *, const TQString & );

public slots:
    /*!
      Move a widget's tab from first to second specified index and emit
      signal movedTab( int, int ) afterwards.
    */
    virtual void moveTab( int, int );

    /*!
      Removes the widget, reimplemented for
      internal reasons (keeping labels in sync).
    */
    virtual void removePage ( TQWidget * w );

    /*!
      If \a enable is true, tab reordering with middle button will be enabled.

      Note that once enabled you shouldn't rely on previously queried
      currentPageIndex() or indexOf( TQWidget * ) values anymore.

      You can connect to signal movedTab(int, int) which will notify
      you from which index to which index a tab has been moved.
    */
    void setTabReorderingEnabled( bool enable );

    /*!
      If \a enable is true, a close button will be shown on mouse hover
      over tab icons which will emit signal closeRequest( TQWidget * )
      when pressed.
    */
    void setHoverCloseButton( bool enable );

    /*!
      If \a delayed is true, a close button will be shown on mouse hover
      over tab icons after mouse double click delay else immediately.
    */
    void setHoverCloseButtonDelayed( bool delayed );

    /*!
      If \a delayed is true, closing the current tab activates the
      previous active tab instead of the one to the right.
      @since 3.3
    */
    void setTabCloseActivatePrevious( bool previous );

    /*!
      If \a enable is true, tabs will be resized to the width of the tab bar.

      Does not work reliable with "TQTabWidget* foo=new KTabWidget()" and if
      you change tabs via the tabbar or by accessing tabs directly.
      @since 3.4
    */
    void setAutomaticResizeTabs( bool enable );

signals:
    /*!
      Connect to this and set accept to true if you can and want to decode the event.
    */
    void testCanDecode(const TQDragMoveEvent *e, bool &accept /* result */);

    /*!
      Received an event in the empty space beside tabbar. Usually creates a new tab.
      This signal is only possible after testCanDecode and positive accept result.
    */
    void receivedDropEvent( TQDropEvent * );

    /*!
      Received an drop event on given widget's tab.
      This signal is only possible after testCanDecode and positive accept result.
    */
    void receivedDropEvent( TQWidget *, TQDropEvent * );

    /*!
      Request to start a drag operation on the given tab.
    */
    void initiateDrag( TQWidget * );

    /*!
      The right mouse button was pressed over empty space besides tabbar.
    */
    void contextMenu( const TQPoint & );

    /*!
      The right mouse button was pressed over a widget.
    */
    void contextMenu( TQWidget *, const TQPoint & );

    /*!
      A tab was moved from first to second index. This signal is only
      possible after you have called setTabReorderingEnabled( true ).
    */
    void movedTab( int, int );

    /*!
      A double left mouse button click was performed over empty space besides tabbar.
      @since 3.3
    */
    void mouseDoubleClick();

    /*!
      A double left mouse button click was performed over the widget.
    */
    void mouseDoubleClick( TQWidget * );

    /*!
      A middle mouse button click was performed over empty space besides tabbar.
    */
    void mouseMiddleClick();

    /*!
      A middle mouse button click was performed over the widget.
    */
    void mouseMiddleClick( TQWidget * );

    /*!
      The close button of a widget's tab was clicked. This signal is
      only possible after you have called setHoverCloseButton( true ).
    */
    void closeRequest( TQWidget * );

protected:
    virtual void mouseDoubleClickEvent( TQMouseEvent *e );
    virtual void mousePressEvent( TQMouseEvent * );
    virtual void dragMoveEvent( TQDragMoveEvent * );
    virtual void dropEvent( TQDropEvent * );
    unsigned int tabBarWidthForMaxChars( uint maxLength );
#ifndef TQT_NO_WHEELEVENT
    virtual void wheelEvent( TQWheelEvent *e );
#endif
    virtual void resizeEvent( TQResizeEvent * );

protected slots:
    virtual void receivedDropEvent( int, TQDropEvent * );
    virtual void initiateDrag( int );
    virtual void contextMenu( int, const TQPoint & );
    virtual void mouseDoubleClick( int );
    virtual void mouseMiddleClick( int );
    virtual void closeRequest( int );
#ifndef TQT_NO_WHEELEVENT
    virtual void wheelDelta( int );
#endif

private:
    bool isEmptyTabbarSpace( const TQPoint & )  const;
    void resizeTabs( int changedTabIndex = -1 );
    void updateTab( int index );

    KTabWidgetPrivate *d;
};

#endif