summaryrefslogtreecommitdiffstats
path: root/kdgantt/KDGanttSemiSizingControl.cpp
blob: dcc2f40d25d97661d6822e20f96293447d0873c9 (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
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
/* -*- Mode: C++ -*-
   $Id$
*/

/****************************************************************************
 ** Copyright (C)  2002-2004 Klar�lvdalens Datakonsult AB.  All rights reserved.
 **
 ** This file is part of the KDGantt library.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** Licensees holding valid commercial KDGantt licenses may use this file in
 ** accordance with the KDGantt Commercial License Agreement provided with
 ** the Software.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.klaralvdalens-datakonsult.se/Public/products/ for
 **   information about KDGantt Commercial License Agreements.
 **
 ** Contact info@klaralvdalens-datakonsult.se if any conditions of this
 ** licensing are not clear to you.
 **
 ** As a special exception, permission is given to link this program
 ** with any edition of TQt, and distribute the resulting executable,
 ** without including the source code for TQt in the source distribution.
 **
 **********************************************************************/


#include "KDGanttSemiSizingControl.h"
#include <tqpushbutton.h>
#include <tqpointarray.h>
#include <tqpainter.h>
#include <tqbitmap.h>
#include <tqtooltip.h>
#include <tqwhatsthis.h>
/*!
  \class KDGanttSemiSizingControl KDGanttSemiSizingControl.h
  This class provides exactly one child widget with a button for
  minimizing and restoring. You can also specify a so-called minimize
  widget that will be shown in place of the child widget while the
  latter one is minimized. While the child widget is not minimized,
  the minimize widget will not be visible.

  If you add more than one child widget (besides the minimize widget),
  only the last one added will be visible.
*/


/*!
  Constructs an empty semi sizing control with horizontal
  orientation and the control arrow button on top of the controlled
  widget.

  \param parent the parent widget. This parameter is passed to the
  base class.
  \param name the internal widget name. This parameter is passed to
  the base class.
*/

KDGanttSemiSizingControl::KDGanttSemiSizingControl( TQWidget* parent,
                                          const char* name ) :
    KDGanttSizingControl( parent, name ), _orient( Qt::Horizontal ), 
    _arrowPos( Before ), _minimizedWidget(0), _maximizedWidget(0)
{
    init();
}


/*!
  Constructs an empty semi sizing control with the specified
  orientation and the control arrow button either on top or left of
  the controlled widget (depending on the orientation).

  \param orientation the orientation of the splitter
  \param parent the parent widget. This parameter is passed to the
  base class.
  \param name the internal widget name. This parameter is passed to
  the base class.
*/

KDGanttSemiSizingControl::KDGanttSemiSizingControl( Qt::Orientation orientation,
                                          TQWidget* parent,
                                          const char* name ) :
    KDGanttSizingControl( parent, name ), _orient( orientation ), 
    _arrowPos( Before ), _minimizedWidget(0), _maximizedWidget(0)
{
    init();
}


/*!
  Constructs an empty semi sizing control with the specified
  orientation and position of the control arrow button.

  \param arrowPosition specifies whether the control arrow button
  should appear before or after the controlled widget
  \param orientation the orientation of the splitter
  \param parent the parent widget. This parameter is passed to the
  base class.
  \param name the internal widget name. This parameter is passed to
  the base class.
*/

KDGanttSemiSizingControl::KDGanttSemiSizingControl( ArrowPosition arrowPosition,
                                          Qt::Orientation orientation,
                                          TQWidget* parent,
                                          const char* name ) :
    KDGanttSizingControl( parent, name ), _orient( orientation ), 
    _arrowPos( arrowPosition ), _minimizedWidget(0), _maximizedWidget(0)
{
    init();
}


/*!
  Specifies the widget that should be shown while the child widget is
  minimized. This so-called minimize widget should be a child widget
  of the KDGanttSemiSizingControl.

  \param widget the minimize widget
  \sa minimizedWidget()
*/

void KDGanttSemiSizingControl::setMinimizedWidget( TQWidget* widget )
{
    _minimizedWidget = widget;
    if( _minimizedWidget ) _minimizedWidget->hide();
    setup();
}


/*!
  Returns the widget that is shown while the child widget is
  minimized.

  \return the minimize widget
  \sa setMinimizedWidget()
*/

TQWidget* KDGanttSemiSizingControl::minimizedWidget() const
{
    return _minimizedWidget;
}

/*!
  Specifies the widget that should be shown while the child widget is
  maximized. This so-called maximize widget should be a child widget
  of the KDGanttSemiSizingControl.

  \param widget the minimize widget
  \sa maximizedWidget()
*/

void KDGanttSemiSizingControl::setMaximizedWidget( TQWidget* widget )
{
    _maximizedWidget = widget;
    //if( _maximizedWidget ) _maximizedWidget->show();
    setup();
}

/*!
  Returns the widget that is shown while the child widget is
  maximized.

  \return the maximize widget
  \sa setMaximizedWidget()
*/

TQWidget* KDGanttSemiSizingControl::maximizedWidget() const
{
    return _maximizedWidget;
}



/*!
  Sets the orientation of the simple sizing control.

  \param orientation the new orientation
  \sa orientation()
*/

void KDGanttSemiSizingControl::setOrientation( Qt::Orientation orientation )
{
    if ( _orient != orientation ) {
        _orient = orientation;
        setup();
    }
}


/*!
  Returns the orientation of the simple sizing control.
  \return the orientation
  \sa setOrientation()
*/

Qt::Orientation KDGanttSemiSizingControl::orientation() const
{
    return _orient;
}


/*!
  Returns the position of the control arrow button.

  \param arrowPosition the position of the control arrow button
  \sa arrowPosition()
*/

void KDGanttSemiSizingControl::setArrowPosition( ArrowPosition arrowPosition )
{
    if ( _arrowPos != arrowPosition ) {
        _arrowPos = arrowPosition;
        setup();
    }
}


/*!
  Returns the position of the control arrow button.

  \return the position of the control arrow button
  \sa setArrowPosition()
*/

KDGanttSemiSizingControl::ArrowPosition KDGanttSemiSizingControl::arrowPosition() const
{
    return _arrowPos;
}


/*!
  \enum KDGanttSemiSizingControl::ArrowPosition

  This enum is used for specifying whether the control arrow button
  should appear before (on top of, left of) or after (below, right of)
  the controlled widget.
*/

void KDGanttSemiSizingControl::init()
{
    _but = new TQPushButton( this );
    _but->setSizePolicy( TQSizePolicy( TQSizePolicy::Fixed, TQSizePolicy::Fixed ) );
    connect( _but, TQT_SIGNAL( clicked() ), this, TQT_SLOT(changeState()) );
    _layout = 0;
    TQWhatsThis::add( _but, "Click on this button to show the \nlegend at the bottom of the widget");
    TQToolTip::add( _but, "Show / hide legend");


}

void KDGanttSemiSizingControl::setup()
{
    //-------------------------------------------------- Setup layout
    delete _layout;
    TQBoxLayout* butLayout; // _layout will delete me

    if ( _orient == Qt::Horizontal || isMinimized() )
        _layout = new TQHBoxLayout( this );
    else
        _layout = new TQVBoxLayout( this );

    if ( _orient == Qt::Vertical && !isMinimized() )
        butLayout = new TQHBoxLayout( _layout );
    else
        butLayout = new TQVBoxLayout( _layout );



    //---------------------------------------- Set the arrow on the button
    if ( !isMinimized() ) {
        _but->setPixmap( pixmap( Down ) );
    }
    else {
        if ( _arrowPos == Before ) {
            _but->setPixmap( pixmap( Right ) );
        }
        else {
            _but->setPixmap( pixmap( Left ) );
        }
    }

    //------------------------------ Setup the button at the correct possition
    if ( _arrowPos == After && _orient == Qt::Vertical && !isMinimized() ) {
        butLayout->addStretch( 1 );
        butLayout->addWidget( _but, 0, TQt::AlignLeft );
    }
    else {
        butLayout->addWidget( _but, 0, TQt::AlignRight  );
        butLayout->addStretch( 1 );
    }

    // Set widget in the correct possition
    TQWidget* widget;
    /* ************************** old code ***************
       if ( isMinimized() )
       widget = _minimizedWidget;
       else
       widget = _maximizedWidget;
       if( widget ) {
       if ( _arrowPos == Before  || _orient == Qt::Vertical && !isMinimized() )
       _layout->addWidget( widget, 1 );
       else
       _layout->insertWidget( 0, widget, 1 );
	}
     ************************************************** */
    // hack for the usage in KDGantt as pop-up legend widget
    // for this purpose,
    // the _maximizedWidget must be a child of the parent of this widget

    if ( isMinimized() ) {
       widget = _minimizedWidget;
       if( widget ) {
	 if ( _arrowPos == Before  || _orient == Qt::Vertical && !isMinimized() )
	   _layout->addWidget( widget, 1 );
	 else
	   _layout->insertWidget( 0, widget, 1 );
       }
    }
    else {
      if ( _arrowPos == Before  || _orient == Qt::Vertical && !isMinimized() )
	_layout->addStretch( 1 );
      else
	_layout->insertStretch( 0, 1 );
      widget = _maximizedWidget;
      // the following is only the special case
      // arrowPos == Before  and  _orient == Qt::Vertical
      //widget->move( 0+x(), _but->height()+y());
    }
}


/*!
  Restores or minimizes the child widget. \a minimize() does exactly the
  opposite to this method.

  \param restore true to restore, false to minimize
  \sa minimize()
*/

void KDGanttSemiSizingControl::restore( bool restore )
{
    if ( ! restore ) {
        minimize( true );
    }
    else {
        if( _maximizedWidget ) _maximizedWidget->show();
        if( _minimizedWidget ) _minimizedWidget->hide();
        KDGanttSizingControl::restore( restore );
        setup();
    }
}

/*!
  Restores or minimizes the child widget. \a restore() does exactly the
  opposite to this method.

  \param minimize true to minimize, false to restore
  \sa restore()

*/

void KDGanttSemiSizingControl::minimize( bool minimize )
{
    if ( ! minimize ) {
        restore( true );
    }
    else {
        if( _minimizedWidget ) _minimizedWidget->show();
	if( _maximizedWidget ) _maximizedWidget->hide();
        KDGanttSizingControl::minimize( minimize );
        setup();
    }
}

TQPixmap KDGanttSemiSizingControl::pixmap( Direction direction ) {
    int s = 10;
    TQPixmap pix( s, s );
    pix.fill( blue );

    TQPointArray arr;
    switch ( direction ) {
    case Up:    arr.setPoints( 3,   0, s-1,   s-1, s-1,   0, s/2   ); ;break;
    case Down:  arr.setPoints( 3,   0, 0,     s-1, 0,     s/2, s-1 ); break;
    case Left:  arr.setPoints( 3,   s-1, 0,   s-1, s-1,   0, s/2   ); break;
    case Right: arr.setPoints( 3,   0,0,      s-1, s/2,   0, s-1   ); break;
    }

    TQPainter p( &pix );
    p.setPen( black );
    p.setBrush( colorGroup().button() );
    p.drawPolygon( arr );
    TQBitmap bit( s, s );
    bit.fill( color0 );

    TQPainter p2( &bit );
    p2.setPen( color1 );
    p2.setBrush( color1 );
    p2.drawPolygon( arr );
    pix.setMask( bit );
    return pix;
}

#ifndef KDGANTT_MASTER_CVS
#include "KDGanttSemiSizingControl.moc"
#endif