Diffstat (limited to 'libopie2/opieui/olistview.cpp') (more/less context) (ignore whitespace changes)
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diff --git a/libopie2/opieui/olistview.cpp b/libopie2/opieui/olistview.cpp new file mode 100644 index 0000000..2b2f09a --- a/dev/null +++ b/libopie2/opieui/olistview.cpp | |||
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1 | /* | ||
2 | This file is part of the Opie Project | ||
3 | |||
4 | =. (C) 2003 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> | ||
5 | .=l. | ||
6 | .>+-= | ||
7 | _;:, .> :=|. This program is free software; you can | ||
8 | .> <`_, > . <= redistribute it and/or modify it under | ||
9 | :`=1 )Y*s>-.-- : the terms of the GNU Library General Public | ||
10 | .="- .-=="i, .._ License as published by the Free Software | ||
11 | - . .-<_> .<> Foundation; either version 2 of the License, | ||
12 | ._= =} : or (at your option) any later version. | ||
13 | .%`+i> _;_. | ||
14 | .i_,=:_. -<s. This program is distributed in the hope that | ||
15 | + . -:. = it will be useful, but WITHOUT ANY WARRANTY; | ||
16 | : .. .:, . . . without even the implied warranty of | ||
17 | =_ + =;=|` MERCHANTABILITY or FITNESS FOR A | ||
18 | _.=:. : :=>`: PARTICULAR PURPOSE. See the GNU | ||
19 | ..}^=.= = ; Library General Public License for more | ||
20 | ++= -. .` .: details. | ||
21 | : = ...= . :.=- | ||
22 | -. .:....=;==+<; You should have received a copy of the GNU | ||
23 | -_. . . )=. = Library General Public License along with | ||
24 | -- :-=` this library; see the file COPYING.LIB. | ||
25 | If not, write to the Free Software Foundation, | ||
26 | Inc., 59 Temple Place - Suite 330, | ||
27 | Boston, MA 02111-1307, USA. | ||
28 | |||
29 | */ | ||
30 | |||
31 | /* QT */ | ||
32 | |||
33 | #include <qcolor.h> | ||
34 | #include <qheader.h> | ||
35 | #include <qpainter.h> | ||
36 | #include <qpixmap.h> | ||
37 | |||
38 | /* OPIE */ | ||
39 | |||
40 | #include <opie2/olistview.h> | ||
41 | |||
42 | /*====================================================================================== | ||
43 | * OListView | ||
44 | *======================================================================================*/ | ||
45 | |||
46 | OListView::OListView( QWidget *parent, const char *name ) | ||
47 | :QListView( parent, name ) | ||
48 | { | ||
49 | //FIXME: get from global settings and calculate ==> see oglobalsettings.* | ||
50 | |||
51 | m_alternateBackground = QColor( 238, 246, 255 ); | ||
52 | m_columnSeparator = QPen( QColor( 150, 160, 170 ), 0, DotLine ); | ||
53 | m_fullWidth = true; | ||
54 | } | ||
55 | |||
56 | OListView::~OListView() | ||
57 | { | ||
58 | } | ||
59 | |||
60 | void OListView::setFullWidth( bool fullWidth ) | ||
61 | { | ||
62 | m_fullWidth = m_fullWidth; | ||
63 | #if QT_VERSION > 290 | ||
64 | header()->setStretchEnabled( fullWidth, columns()-1 ); | ||
65 | #endif | ||
66 | } | ||
67 | |||
68 | bool OListView::fullWidth() const | ||
69 | { | ||
70 | return m_fullWidth; | ||
71 | } | ||
72 | |||
73 | int OListView::addColumn( const QString& label, int width ) | ||
74 | { | ||
75 | int result = QListView::addColumn( label, width ); | ||
76 | #if QT_VERSION > 290 | ||
77 | if (m_fullWidth) { | ||
78 | header()->setStretchEnabled( false, columns()-2 ); | ||
79 | header()->setStretchEnabled( true, columns()-1 ); | ||
80 | } | ||
81 | #endif | ||
82 | return result; | ||
83 | } | ||
84 | |||
85 | int OListView::addColumn( const QIconSet& iconset, const QString& label, int width ) | ||
86 | { | ||
87 | int result = QListView::addColumn( iconset, label, width ); | ||
88 | #if QT_VERSION > 290 | ||
89 | if (m_fullWidth) { | ||
90 | header()->setStretchEnabled( false, columns()-2 ); | ||
91 | header()->setStretchEnabled( true, columns()-1 ); | ||
92 | } | ||
93 | #endif | ||
94 | return result; | ||
95 | } | ||
96 | |||
97 | void OListView::removeColumn( int index ) | ||
98 | { | ||
99 | QListView::removeColumn(index); | ||
100 | #if QT_VERSION > 290 | ||
101 | if ( m_fullWidth && index == columns() ) | ||
102 | { | ||
103 | header()->setStretchEnabled( true, columns()-1 ); | ||
104 | } | ||
105 | #endif | ||
106 | } | ||
107 | |||
108 | const QColor& OListView::alternateBackground() const | ||
109 | { | ||
110 | return m_alternateBackground; | ||
111 | } | ||
112 | |||
113 | void OListView::setAlternateBackground( const QColor &c ) | ||
114 | { | ||
115 | m_alternateBackground = c; | ||
116 | repaint(); | ||
117 | } | ||
118 | |||
119 | const QPen& OListView::columnSeparator() const | ||
120 | { | ||
121 | return m_columnSeparator; | ||
122 | } | ||
123 | |||
124 | void OListView::setColumnSeparator( const QPen& p ) | ||
125 | { | ||
126 | m_columnSeparator = p; | ||
127 | repaint(); | ||
128 | } | ||
129 | |||
130 | OListViewItem* OListView::childFactory() | ||
131 | { | ||
132 | return new OListViewItem( this ); | ||
133 | } | ||
134 | |||
135 | #ifndef QT_NO_DATASTREAM | ||
136 | void OListView::serializeTo( QDataStream& s ) const | ||
137 | { | ||
138 | #warning Caution... the binary format is still under construction... | ||
139 | qDebug( "storing OListView..." ); | ||
140 | |||
141 | // store number of columns and the labels | ||
142 | s << columns(); | ||
143 | for ( int i = 0; i < columns(); ++i ) | ||
144 | s << columnText( i ); | ||
145 | |||
146 | // calculate the number of top-level items to serialize | ||
147 | int items = 0; | ||
148 | QListViewItem* item = firstChild(); | ||
149 | while ( item ) | ||
150 | { | ||
151 | item = item->nextSibling(); | ||
152 | items++; | ||
153 | } | ||
154 | |||
155 | // store number of items and the items itself | ||
156 | s << items; | ||
157 | item = firstChild(); | ||
158 | for ( int i = 0; i < items; ++i ) | ||
159 | { | ||
160 | s << *static_cast<OListViewItem*>( item ); | ||
161 | item = item->nextSibling(); | ||
162 | } | ||
163 | |||
164 | qDebug( "OListview stored." ); | ||
165 | } | ||
166 | |||
167 | void OListView::serializeFrom( QDataStream& s ) | ||
168 | { | ||
169 | #warning Caution... the binary format is still under construction... | ||
170 | qDebug( "loading OListView..." ); | ||
171 | |||
172 | int cols; | ||
173 | s >> cols; | ||
174 | qDebug( "read number of columns = %d", cols ); | ||
175 | |||
176 | while ( columns() < cols ) addColumn( QString::null ); | ||
177 | |||
178 | for ( int i = 0; i < cols; ++i ) | ||
179 | { | ||
180 | QString coltext; | ||
181 | s >> coltext; | ||
182 | qDebug( "read text '%s' for column %d", (const char*) coltext, i ); | ||
183 | setColumnText( i, coltext ); | ||
184 | } | ||
185 | |||
186 | int items; | ||
187 | s >> items; | ||
188 | qDebug( "read number of items = %d", items ); | ||
189 | |||
190 | for ( int i = 0; i < items; ++i ) | ||
191 | { | ||
192 | OListViewItem* item = childFactory(); | ||
193 | s >> *item; | ||
194 | } | ||
195 | |||
196 | qDebug( "OListView loaded." ); | ||
197 | |||
198 | } | ||
199 | |||
200 | QDataStream& operator<<( QDataStream& s, const OListView& lv ) | ||
201 | { | ||
202 | lv.serializeTo( s ); | ||
203 | } | ||
204 | |||
205 | QDataStream& operator>>( QDataStream& s, OListView& lv ) | ||
206 | { | ||
207 | lv.serializeFrom( s ); | ||
208 | } | ||
209 | #endif // QT_NO_DATASTREAM | ||
210 | |||
211 | /*====================================================================================== | ||
212 | * OListViewItem | ||
213 | *======================================================================================*/ | ||
214 | |||
215 | OListViewItem::OListViewItem(QListView *parent) | ||
216 | : QListViewItem(parent) | ||
217 | { | ||
218 | init(); | ||
219 | } | ||
220 | |||
221 | OListViewItem::OListViewItem(QListViewItem *parent) | ||
222 | : QListViewItem(parent) | ||
223 | { | ||
224 | init(); | ||
225 | } | ||
226 | |||
227 | OListViewItem::OListViewItem(QListView *parent, QListViewItem *after) | ||
228 | : QListViewItem(parent, after) | ||
229 | { | ||
230 | init(); | ||
231 | } | ||
232 | |||
233 | OListViewItem::OListViewItem(QListViewItem *parent, QListViewItem *after) | ||
234 | : QListViewItem(parent, after) | ||
235 | { | ||
236 | init(); | ||
237 | } | ||
238 | |||
239 | OListViewItem::OListViewItem(QListView *parent, | ||
240 | QString label1, QString label2, QString label3, QString label4, | ||
241 | QString label5, QString label6, QString label7, QString label8) | ||
242 | : QListViewItem(parent, label1, label2, label3, label4, label5, label6, label7, label8) | ||
243 | { | ||
244 | init(); | ||
245 | } | ||
246 | |||
247 | OListViewItem::OListViewItem(QListViewItem *parent, | ||
248 | QString label1, QString label2, QString label3, QString label4, | ||
249 | QString label5, QString label6, QString label7, QString label8) | ||
250 | : QListViewItem(parent, label1, label2, label3, label4, label5, label6, label7, label8) | ||
251 | { | ||
252 | init(); | ||
253 | } | ||
254 | |||
255 | OListViewItem::OListViewItem(QListView *parent, QListViewItem *after, | ||
256 | QString label1, QString label2, QString label3, QString label4, | ||
257 | QString label5, QString label6, QString label7, QString label8) | ||
258 | : QListViewItem(parent, after, label1, label2, label3, label4, label5, label6, label7, label8) | ||
259 | { | ||
260 | init(); | ||
261 | } | ||
262 | |||
263 | OListViewItem::OListViewItem(QListViewItem *parent, QListViewItem *after, | ||
264 | QString label1, QString label2, QString label3, QString label4, | ||
265 | QString label5, QString label6, QString label7, QString label8) | ||
266 | : QListViewItem(parent, after, label1, label2, label3, label4, label5, label6, label7, label8) | ||
267 | { | ||
268 | init(); | ||
269 | } | ||
270 | |||
271 | OListViewItem::~OListViewItem() | ||
272 | { | ||
273 | } | ||
274 | |||
275 | void OListViewItem::init() | ||
276 | { | ||
277 | m_known = false; | ||
278 | } | ||
279 | |||
280 | const QColor &OListViewItem::backgroundColor() | ||
281 | { | ||
282 | return isAlternate() ? static_cast<OListView*>(listView())->alternateBackground() : | ||
283 | listView()->viewport()->colorGroup().base(); | ||
284 | } | ||
285 | |||
286 | bool OListViewItem::isAlternate() | ||
287 | { | ||
288 | OListView *lv = static_cast<OListView*>( listView() ); | ||
289 | |||
290 | // check if the item above is an OListViewItem | ||
291 | OListViewItem *above = static_cast<OListViewItem*>( itemAbove() ); | ||
292 | /*if (! itemAbove()->inherits( "OListViewItem" )) return false;*/ | ||
293 | |||
294 | // check if we have a valid alternate background color | ||
295 | if (!(lv && lv->alternateBackground().isValid())) return false; | ||
296 | |||
297 | m_known = above ? above->m_known : true; | ||
298 | if (m_known) | ||
299 | { | ||
300 | m_odd = above ? !above->m_odd : false; | ||
301 | } | ||
302 | else | ||
303 | { | ||
304 | OListViewItem *item; | ||
305 | bool previous = true; | ||
306 | if (parent()) | ||
307 | { | ||
308 | item = static_cast<OListViewItem *>(parent()); | ||
309 | if ( item /*&& item->inherits( "OListViewItem" )*/ ) previous = item->m_odd; | ||
310 | item = static_cast<OListViewItem *>(parent()->firstChild()); | ||
311 | /* if ( !item.inherits( "OListViewItem" ) item = 0; */ | ||
312 | } | ||
313 | else | ||
314 | { | ||
315 | item = static_cast<OListViewItem *>(lv->firstChild()); | ||
316 | } | ||
317 | |||
318 | while(item) | ||
319 | { | ||
320 | item->m_odd = previous = !previous; | ||
321 | item->m_known = true; | ||
322 | item = static_cast<OListViewItem *>(item->nextSibling()); | ||
323 | /* if (!item.inherits( "OListViewItem" ) ) break; */ | ||
324 | } | ||
325 | } | ||
326 | return m_odd; | ||
327 | } | ||
328 | |||
329 | void OListViewItem::paintCell(QPainter *p, const QColorGroup &cg, int column, int width, int alignment) | ||
330 | { | ||
331 | QColorGroup _cg = cg; | ||
332 | const QPixmap *pm = listView()->viewport()->backgroundPixmap(); | ||
333 | if (pm && !pm->isNull()) | ||
334 | { | ||
335 | _cg.setBrush( QColorGroup::Base, QBrush(backgroundColor(), *pm) ); | ||
336 | p->setBrushOrigin( -listView()->contentsX(), -listView()->contentsY() ); | ||
337 | } | ||
338 | else if ( isAlternate() ) | ||
339 | { | ||
340 | _cg.setColor( QColorGroup::Base, static_cast<OListView*>( listView() )->alternateBackground() ); | ||
341 | } | ||
342 | QListViewItem::paintCell( p, _cg, column, width, alignment ); | ||
343 | |||
344 | //FIXME: Use styling here! | ||
345 | |||
346 | const QPen& pen = static_cast<OListView*>( listView() )->columnSeparator(); | ||
347 | p->setPen( pen ); | ||
348 | p->drawLine( width-1, 0, width-1, height() ); | ||
349 | } | ||
350 | |||
351 | OListViewItem* OListViewItem::childFactory() | ||
352 | { | ||
353 | return new OListViewItem( this ); | ||
354 | } | ||
355 | |||
356 | #ifndef QT_NO_DATASTREAM | ||
357 | void OListViewItem::serializeTo( QDataStream& s ) const | ||
358 | { | ||
359 | #warning Caution... the binary format is still under construction... | ||
360 | qDebug( "storing OListViewItem..." ); | ||
361 | |||
362 | // store item text | ||
363 | for ( int i = 0; i < listView()->columns(); ++i ) | ||
364 | { | ||
365 | s << text( i ); | ||
366 | } | ||
367 | |||
368 | // calculate the number of children to serialize | ||
369 | int items = 0; | ||
370 | QListViewItem* item = firstChild(); | ||
371 | while ( item ) | ||
372 | { | ||
373 | item = item->nextSibling(); | ||
374 | items++; | ||
375 | } | ||
376 | |||
377 | // store number of items and the items itself | ||
378 | s << items; | ||
379 | item = firstChild(); | ||
380 | for ( int i = 0; i < items; ++i ) | ||
381 | { | ||
382 | s << *static_cast<OListViewItem*>( item ); | ||
383 | item = item->nextSibling(); | ||
384 | } | ||
385 | |||
386 | qDebug( "OListviewItem stored." ); | ||
387 | } | ||
388 | void OListViewItem::serializeFrom( QDataStream& s ) | ||
389 | { | ||
390 | #warning Caution... the binary format is still under construction... | ||
391 | qDebug( "loading OListViewItem..." ); | ||
392 | |||
393 | for ( int i = 0; i < listView()->columns(); ++i ) | ||
394 | { | ||
395 | QString coltext; | ||
396 | s >> coltext; | ||
397 | qDebug( "read text '%s' for column %d", (const char*) coltext, i ); | ||
398 | setText( i, coltext ); | ||
399 | } | ||
400 | |||
401 | int items; | ||
402 | s >> items; | ||
403 | qDebug( "read number of items = %d", items ); | ||
404 | |||
405 | for ( int i = 0; i < items; ++i ) | ||
406 | { | ||
407 | OListViewItem* item = childFactory(); | ||
408 | s >> (*item); | ||
409 | } | ||
410 | |||
411 | qDebug( "OListViewItem loaded." ); | ||
412 | } | ||
413 | |||
414 | QDataStream& operator<<( QDataStream& s, const OListViewItem& lvi ) | ||
415 | { | ||
416 | lvi.serializeTo( s ); | ||
417 | } | ||
418 | |||
419 | QDataStream& operator>>( QDataStream& s, OListViewItem& lvi ) | ||
420 | { | ||
421 | lvi.serializeFrom( s ); | ||
422 | } | ||
423 | #endif // QT_NO_DATASTREAM | ||