summaryrefslogtreecommitdiffstats
path: root/doc/html/tqscrollview-h.html
blob: d03e1802d58b6d82718f879d66bd922d5032c986 (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
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/include/tqscrollview.h:1 -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>tqscrollview.h Include File</title>
<style type="text/css"><!--
fn { margin-left: 1cm; text-indent: -1cm; }
a:link { color: #004faf; text-decoration: none }
a:visited { color: #672967; text-decoration: none }
body { background: #ffffff; color: black; }
--></style>
</head>
<body>

<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr bgcolor="#E5E5E5">
<td valign=center>
 <a href="index.html">
<font color="#004faf">Home</font></a>
 | <a href="classes.html">
<font color="#004faf">All&nbsp;Classes</font></a>
 | <a href="mainclasses.html">
<font color="#004faf">Main&nbsp;Classes</font></a>
 | <a href="annotated.html">
<font color="#004faf">Annotated</font></a>
 | <a href="groups.html">
<font color="#004faf">Grouped&nbsp;Classes</font></a>
 | <a href="functions.html">
<font color="#004faf">Functions</font></a>
</td>
<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>tqscrollview.h</h1>

<p>This is the verbatim text of the tqscrollview.h include file. It is provided only for illustration; the copyright remains with Trolltech.
<hr>
<pre>
/****************************************************************************
** $Id: qt/tqscrollview.h   3.3.8   edited Jan 11 14:38 $
**
** Definition of TQScrollView class
**
** Created : 970523
**
** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
**
** This file is part of the widgets module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file.  Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef TQSCROLLVIEW_H
#define TQSCROLLVIEW_H

#ifndef QT_H
#include "ntqframe.h"
#include "tqscrollbar.h"
#endif // QT_H

#ifndef TQT_NO_SCROLLVIEW

class TQScrollViewData;

class TQ_EXPORT TQScrollView : public TQFrame
{
    TQ_OBJECT
    TQ_ENUMS( ResizePolicy ScrollBarMode )
    TQ_PROPERTY( ResizePolicy resizePolicy READ resizePolicy WRITE setResizePolicy )
    TQ_PROPERTY( ScrollBarMode vScrollBarMode READ vScrollBarMode WRITE setVScrollBarMode )
    TQ_PROPERTY( ScrollBarMode hScrollBarMode READ hScrollBarMode WRITE setHScrollBarMode )
    TQ_PROPERTY( int visibleWidth READ visibleWidth )
    TQ_PROPERTY( int visibleHeight READ visibleHeight )
    TQ_PROPERTY( int contentsWidth READ contentsWidth )
    TQ_PROPERTY( int contentsHeight READ contentsHeight )
    TQ_PROPERTY( int contentsX READ contentsX )
    TQ_PROPERTY( int contentsY READ contentsY )
#ifndef TQT_NO_DRAGANDDROP
    TQ_PROPERTY( bool dragAutoScroll READ dragAutoScroll WRITE setDragAutoScroll )
#endif

public:
    TQScrollView(TQWidget* parent=0, const char* name=0, WFlags f=0);
    ~TQScrollView();

    enum ResizePolicy { Default, Manual, AutoOne, AutoOneFit };
    virtual void setResizePolicy( ResizePolicy );
    ResizePolicy resizePolicy() const;

    void styleChange( TQStyle &amp; );
    void removeChild(TQWidget* child);
    virtual void addChild( TQWidget* child, int x=0, int y=0 );
    virtual void moveChild( TQWidget* child, int x, int y );
    int childX(TQWidget* child);
    int childY(TQWidget* child);
    bool childIsVisible(TQWidget* child) { return child-&gt;isVisible(); } // obsolete functions
    void showChild(TQWidget* child, bool yes=TRUE) {
	if ( yes )
	    child-&gt;show();
	else
	    child-&gt;hide();
    }

    enum ScrollBarMode { Auto, AlwaysOff, AlwaysOn };

    ScrollBarMode vScrollBarMode() const;
    virtual void  setVScrollBarMode( ScrollBarMode );

    ScrollBarMode hScrollBarMode() const;
    virtual void  setHScrollBarMode( ScrollBarMode );

    TQWidget*     cornerWidget() const;
    virtual void setCornerWidget(TQWidget*);

    // ### 4.0: Consider providing a factory function for scrollbars
    //          (e.g. make the two following functions virtual)
    TQScrollBar*  horizontalScrollBar() const;
    TQScrollBar*  verticalScrollBar() const;
    TQWidget*	 viewport() const;
    TQWidget*	 clipper() const;

    int		visibleWidth() const;
    int		visibleHeight() const;

    int		contentsWidth() const;
    int		contentsHeight() const;
    int		contentsX() const;
    int		contentsY() const;

    void	resize( int w, int h );
    void	resize( const TQSize&amp; );
    void	show();

    void	updateContents( int x, int y, int w, int h );
    void	updateContents( const TQRect&amp; r );
    void 	updateContents();
    void	repaintContents( int x, int y, int w, int h, bool erase=TRUE );
    void	repaintContents( const TQRect&amp; r, bool erase=TRUE );
    void 	repaintContents( bool erase=TRUE );
    void	contentsToViewport( int x, int y, int&amp; vx, int&amp; vy ) const;
    void	viewportToContents( int vx, int vy, int&amp; x, int&amp; y ) const;
    TQPoint	contentsToViewport( const TQPoint&amp; ) const;
    TQPoint	viewportToContents( const TQPoint&amp; ) const;
    void	enableClipper( bool y );

    void	setStaticBackground( bool y );
    bool	hasStaticBackground() const;

    TQSize	viewportSize( int, int ) const;
    TQSize	sizeHint() const;
    TQSize	minimumSizeHint() const;

    void	removeChild(TQObject* child);

    bool	isHorizontalSliderPressed();
    bool	isVerticalSliderPressed();

#ifndef TQT_NO_DRAGANDDROP
    virtual void setDragAutoScroll( bool b );
    bool	 dragAutoScroll() const;
#endif

signals:
    void	contentsMoving(int x, int y);
    void	horizontalSliderPressed();
    void	horizontalSliderReleased();
    void	verticalSliderPressed();
    void	verticalSliderReleased();

public slots:
    virtual void resizeContents( int w, int h );
    void	scrollBy( int dx, int dy );
    virtual void setContentsPos( int x, int y );
    void	ensureVisible(int x, int y);
    void	ensureVisible(int x, int y, int xmargin, int ymargin);
    void	center(int x, int y);
    void	center(int x, int y, float xmargin, float ymargin);

    void	updateScrollBars(); // ### virtual in 4.0
    void	setEnabled( bool enable );

protected:
    virtual void drawContents(TQPainter*, int cx, int cy, int cw, int ch);
    virtual void drawContentsOffset(TQPainter*, int ox, int oy,
		    int cx, int cy, int cw, int ch);


    virtual void contentsMousePressEvent( TQMouseEvent* );
    virtual void contentsMouseReleaseEvent( TQMouseEvent* );
    virtual void contentsMouseDoubleClickEvent( TQMouseEvent* );
    virtual void contentsMouseMoveEvent( TQMouseEvent* );
#ifndef TQT_NO_DRAGANDDROP
    virtual void contentsDragEnterEvent( TQDragEnterEvent * );
    virtual void contentsDragMoveEvent( TQDragMoveEvent * );
    virtual void contentsDragLeaveEvent( TQDragLeaveEvent * );
    virtual void contentsDropEvent( TQDropEvent * );
#endif
#ifndef TQT_NO_WHEELEVENT
    virtual void contentsWheelEvent( TQWheelEvent * );
#endif
    virtual void contentsContextMenuEvent( TQContextMenuEvent * );


    virtual void viewportPaintEvent( TQPaintEvent* );
    virtual void viewportResizeEvent( TQResizeEvent* );
    virtual void viewportMousePressEvent( TQMouseEvent* );
    virtual void viewportMouseReleaseEvent( TQMouseEvent* );
    virtual void viewportMouseDoubleClickEvent( TQMouseEvent* );
    virtual void viewportMouseMoveEvent( TQMouseEvent* );
#ifndef TQT_NO_DRAGANDDROP
    virtual void viewportDragEnterEvent( TQDragEnterEvent * );
    virtual void viewportDragMoveEvent( TQDragMoveEvent * );
    virtual void viewportDragLeaveEvent( TQDragLeaveEvent * );
    virtual void viewportDropEvent( TQDropEvent * );
#endif
#ifndef TQT_NO_WHEELEVENT
    virtual void viewportWheelEvent( TQWheelEvent * );
#endif
    virtual void viewportContextMenuEvent( TQContextMenuEvent * );

    void	frameChanged();

    virtual void setMargins(int left, int top, int right, int bottom);
    int leftMargin() const;
    int topMargin() const;
    int rightMargin() const;
    int bottomMargin() const;

    bool focusNextPrevChild( bool next );

    virtual void setHBarGeometry(TQScrollBar&amp; hbar, int x, int y, int w, int h);
    virtual void setVBarGeometry(TQScrollBar&amp; vbar, int x, int y, int w, int h);

    void resizeEvent(TQResizeEvent*);
    void  mousePressEvent( TQMouseEvent * );
    void  mouseReleaseEvent( TQMouseEvent * );
    void  mouseDoubleClickEvent( TQMouseEvent * );
    void  mouseMoveEvent( TQMouseEvent * );
#ifndef TQT_NO_WHEELEVENT
    void  wheelEvent( TQWheelEvent * );
#endif
    void contextMenuEvent( TQContextMenuEvent * );
    bool eventFilter( TQObject *, TQEvent *e );

    void setCachedSizeHint( const TQSize &amp;sh ) const;
    TQSize cachedSizeHint() const;
    void fontChange( const TQFont &amp; );

private:
    void drawContents( TQPainter* );
    void moveContents(int x, int y);

    TQScrollViewData* d;

private slots:
    void hslide(int);
    void vslide(int);
    void hbarIsPressed();
    void hbarIsReleased();
    void vbarIsPressed();
    void vbarIsReleased();
#ifndef TQT_NO_DRAGANDDROP
    void doDragAutoScroll();
    void startDragAutoScroll();
    void stopDragAutoScroll();
#endif

private: // Disabled copy constructor and operator=
#if defined(TQ_DISABLE_COPY)
    TQScrollView( const TQScrollView &amp; );
    TQScrollView &amp;operator=( const TQScrollView &amp; );
#endif
    void changeFrameRect(const TQRect&amp;);

public:
    void disableSizeHintCaching();

};

#endif // TQT_NO_SCROLLVIEW

#endif // TQSCROLLVIEW_H
</pre>
<!-- eof -->
<p><address><hr><div align=center>
<table width=100% cellspacing=0 border=0><tr>
<td>Copyright &copy; 2007
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
<td align=right><div align=right>TQt 3.3.8</div>
</table></div></address></body>
</html>