source: trunk/src/styles/qcompactstyle.cpp@ 150

Last change on this file since 150 was 8, checked in by dmik, 20 years ago

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1/****************************************************************************
2** $Id: qcompactstyle.cpp 8 2005-11-16 19:36:46Z dmik $
3**
4** Implementation of compact style class
5**
6** Created : 006231
7**
8** Copyright (C) 2000 Trolltech AS. All rights reserved.
9**
10** This file is part of the widgets module of the Qt GUI Toolkit.
11**
12** This file may be distributed under the terms of the Q Public License
13** as defined by Trolltech AS of Norway and appearing in the file
14** LICENSE.QPL included in the packaging of this file.
15**
16** This file may be distributed and/or modified under the terms of the
17** GNU General Public License version 2 as published by the Free Software
18** Foundation and appearing in the file LICENSE.GPL included in the
19** packaging of this file.
20**
21** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
22** licenses may use this file in accordance with the Qt Commercial License
23** Agreement provided with the Software.
24**
25** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
26** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
27**
28** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
29** information about Qt Commercial License Agreements.
30** See http://www.trolltech.com/qpl/ for QPL licensing information.
31** See http://www.trolltech.com/gpl/ for GPL licensing information.
32**
33** Contact info@trolltech.com if any conditions of this licensing are
34** not clear to you.
35**
36**********************************************************************/
37
38#include "qcompactstyle.h"
39
40#if !defined(QT_NO_STYLE_COMPACT) || defined(QT_PLUGIN)
41
42#include "qfontmetrics.h"
43#include "qpalette.h"
44#include "qpainter.h"
45#include "qdrawutil.h"
46#include "qmenudata.h"
47#include "qpopupmenu.h"
48
49QCompactStyle::QCompactStyle()
50: QWindowsStyle()
51{
52}
53
54/*! \reimp */
55int QCompactStyle::pixelMetric( PixelMetric metric, const QWidget *widget )
56{
57 int ret;
58 switch ( metric ) {
59 case PM_ButtonMargin:
60 ret = 2;
61 break;
62 // tws - I added this in to stop this "Windows Scroll behaivor." Remove it
63 // if you don't want it.
64 case PM_MaximumDragDistance:
65 ret = -1;
66 break;
67 default:
68 ret = QWindowsStyle::pixelMetric( metric, widget );
69 break;
70 }
71 return ret;
72}
73
74static const int motifItemFrame = 0; // menu item frame width
75static const int motifSepHeight = 2; // separator item height
76static const int motifItemHMargin = 1; // menu item hor text margin
77static const int motifItemVMargin = 2; // menu item ver text margin
78static const int motifArrowHMargin = 0; // arrow horizontal margin
79static const int motifTabSpacing = 4; // space between text and tab
80static const int motifCheckMarkHMargin = 1; // horiz. margins of check mark
81static const int windowsRightBorder = 8; // right border on windows
82static const int windowsCheckMarkWidth = 2; // checkmarks width on windows
83
84static int extraPopupMenuItemWidth( bool checkable, int maxpmw, QMenuItem* mi, const QFontMetrics& /*fm*/ )
85{
86 int w = 2*motifItemHMargin + 2*motifItemFrame; // a little bit of border can never harm
87
88 if ( mi->isSeparator() )
89 return 10; // arbitrary
90 else if ( mi->pixmap() )
91 w += mi->pixmap()->width(); // pixmap only
92
93 if ( !mi->text().isNull() ) {
94 if ( mi->text().find('\t') >= 0 ) // string contains tab
95 w += motifTabSpacing;
96 }
97
98 if ( maxpmw ) { // we have iconsets
99 w += maxpmw;
100 w += 6; // add a little extra border around the iconset
101 }
102
103 if ( checkable && maxpmw < windowsCheckMarkWidth ) {
104 w += windowsCheckMarkWidth - maxpmw; // space for the checkmarks
105 }
106
107 if ( maxpmw > 0 || checkable ) // we have a check-column ( iconsets or checkmarks)
108 w += motifCheckMarkHMargin; // add space to separate the columns
109
110 w += windowsRightBorder; // windows has a strange wide border on the right side
111
112 return w;
113}
114
115static int popupMenuItemHeight( bool /*checkable*/, QMenuItem* mi, const QFontMetrics& fm )
116{
117 int h = 0;
118 if ( mi->isSeparator() ) // separator height
119 h = motifSepHeight;
120 else if ( mi->pixmap() ) // pixmap height
121 h = mi->pixmap()->height() + 2*motifItemFrame;
122 else // text height
123 h = fm.height() + 2*motifItemVMargin + 2*motifItemFrame - 1;
124
125 if ( !mi->isSeparator() && mi->iconSet() != 0 ) {
126 h = QMAX( h, mi->iconSet()->pixmap( QIconSet::Small, QIconSet::Normal ).height() + 2*motifItemFrame );
127 }
128 if ( mi->custom() )
129 h = QMAX( h, mi->custom()->sizeHint().height() + 2*motifItemVMargin + 2*motifItemFrame ) - 1;
130 return h;
131}
132
133void drawPopupMenuItem( QPainter* p, bool checkable,
134 int maxpmw, int tab, QMenuItem* mi,
135 const QPalette& pal, bool act,
136 bool enabled,
137 int x, int y, int w, int h)
138{
139
140}
141
142/*! \reimp */
143void QCompactStyle::drawControl( ControlElement element, QPainter *p, const QWidget *widget, const QRect &r,
144 const QColorGroup &g, SFlags flags, const QStyleOption& opt )
145{
146 switch ( element ) {
147 case CE_PopupMenuItem:
148 {
149 if (! widget || opt.isDefault())
150 break;
151
152 const QPopupMenu *popupmenu = (const QPopupMenu *) widget;
153 QMenuItem *mi = opt.menuItem();
154
155 // QPopupMenu has WResizeNoErase and WRepaintNoErase flags, so we
156 // must erase areas not covered by menu items (this is requested by
157 // QPopupMenu using 0 as the menu item argument).
158 // [Win32 version feels ok without this, because it doesn't actually
159 // fully obey WResizeNoErase and WRepaintNoErase: WM_ERASEBKGND always
160 // erases the background before WM_PAINT and after every resize].
161#if !defined (Q_WS_PM)
162 if ( !mi )
163 break;
164#endif
165
166 int tab = opt.tabWidth();
167 int maxpmw = opt.maxIconWidth();
168 bool dis = !(flags & Style_Enabled);
169 bool checkable = popupmenu->isCheckable();
170 bool act = flags & Style_Active;
171 int x, y, w, h;
172 r.rect( &x, &y, &w, &h );
173
174 QColorGroup itemg = g;
175
176 if ( checkable )
177 maxpmw = QMAX( maxpmw, 8 ); // space for the checkmarks
178
179 int checkcol = maxpmw;
180
181 if ( mi && mi->isSeparator() ) { // draw separator
182 p->setPen( g.dark() );
183 p->drawLine( x, y, x+w, y );
184 p->setPen( g.light() );
185 p->drawLine( x, y+1, x+w, y+1 );
186 return;
187 }
188
189 QBrush fill = act? g.brush( QColorGroup::Highlight ) :
190 g.brush( QColorGroup::Button );
191 p->fillRect( x, y, w, h, fill);
192
193 if ( !mi )
194 return;
195
196 if ( mi->isChecked() ) {
197 if ( act && !dis ) {
198 qDrawShadePanel( p, x, y, checkcol, h,
199 g, TRUE, 1, &g.brush( QColorGroup::Button ) );
200 } else {
201 qDrawShadePanel( p, x, y, checkcol, h,
202 g, TRUE, 1, &g.brush( QColorGroup::Midlight ) );
203 }
204 } else if ( !act ) {
205 p->fillRect(x, y, checkcol , h,
206 g.brush( QColorGroup::Button ));
207 }
208
209 if ( mi->iconSet() ) { // draw iconset
210 QIconSet::Mode mode = dis ? QIconSet::Disabled : QIconSet::Normal;
211 if (act && !dis )
212 mode = QIconSet::Active;
213 QPixmap pixmap;
214 if ( checkable && mi->isChecked() )
215 pixmap = mi->iconSet()->pixmap( QIconSet::Small, mode, QIconSet::On );
216 else
217 pixmap = mi->iconSet()->pixmap( QIconSet::Small, mode );
218 int pixw = pixmap.width();
219 int pixh = pixmap.height();
220 if ( act && !dis ) {
221 if ( !mi->isChecked() )
222 qDrawShadePanel( p, x, y, checkcol, h, g, FALSE, 1, &g.brush( QColorGroup::Button ) );
223 }
224 QRect cr( x, y, checkcol, h );
225 QRect pmr( 0, 0, pixw, pixh );
226 pmr.moveCenter( cr.center() );
227 p->setPen( itemg.text() );
228 p->drawPixmap( pmr.topLeft(), pixmap );
229
230 QBrush fill = act? g.brush( QColorGroup::Highlight ) :
231 g.brush( QColorGroup::Button );
232 p->fillRect( x+checkcol + 1, y, w - checkcol - 1, h, fill);
233 } else if ( checkable ) { // just "checking"...
234 int mw = checkcol + motifItemFrame;
235 int mh = h - 2*motifItemFrame;
236 if ( mi->isChecked() ) {
237
238 SFlags cflags = Style_Default;
239 if (! dis)
240 cflags |= Style_Enabled;
241 if (act)
242 cflags |= Style_On;
243
244 drawPrimitive( PE_CheckMark, p, QRect(x + motifItemFrame + 2, y + motifItemFrame,
245 mw, mh), itemg, cflags, opt );
246 }
247 }
248
249 p->setPen( act ? g.highlightedText() : g.buttonText() );
250
251 QColor discol;
252 if ( dis ) {
253 discol = itemg.text();
254 p->setPen( discol );
255 }
256
257 int xm = motifItemFrame + checkcol + motifItemHMargin;
258
259 if ( mi->custom() ) {
260 int m = motifItemVMargin;
261 p->save();
262 if ( dis && !act ) {
263 p->setPen( g.light() );
264 mi->custom()->paint( p, itemg, act, !dis,
265 x+xm+1, y+m+1, w-xm-tab+1, h-2*m );
266 p->setPen( discol );
267 }
268 mi->custom()->paint( p, itemg, act, !dis,
269 x+xm, y+m, w-xm-tab+1, h-2*m );
270 p->restore();
271 }
272 QString s = mi->text();
273 if ( !s.isNull() ) { // draw text
274 int t = s.find( '\t' );
275 int m = motifItemVMargin;
276 const int text_flags = AlignVCenter|ShowPrefix | DontClip | SingleLine;
277 if ( t >= 0 ) { // draw tab text
278 if ( dis && !act ) {
279 p->setPen( g.light() );
280 p->drawText( x+w-tab-windowsRightBorder-motifItemHMargin-motifItemFrame+1,
281 y+m+1, tab, h-2*m, text_flags, s.mid( t+1 ));
282 p->setPen( discol );
283 }
284 p->drawText( x+w-tab-windowsRightBorder-motifItemHMargin-motifItemFrame,
285 y+m, tab, h-2*m, text_flags, s.mid( t+1 ) );
286 s = s.left( t );
287 }
288 if ( dis && !act ) {
289 p->setPen( g.light() );
290 p->drawText( x+xm+1, y+m+1, w-xm+1, h-2*m, text_flags, s, t );
291 p->setPen( discol );
292 }
293 p->drawText( x+xm, y+m, w-xm-tab+1, h-2*m, text_flags, s, t );
294 } else if ( mi->pixmap() ) { // draw pixmap
295 QPixmap *pixmap = mi->pixmap();
296 if ( pixmap->depth() == 1 )
297 p->setBackgroundMode( OpaqueMode );
298 p->drawPixmap( x+xm, y+motifItemFrame, *pixmap );
299 if ( pixmap->depth() == 1 )
300 p->setBackgroundMode( TransparentMode );
301 }
302 if ( mi->popup() ) { // draw sub menu arrow
303 int dim = (h-2*motifItemFrame) / 2;
304 if ( act ) {
305 if ( !dis )
306 discol = white;
307 QColorGroup g2( discol, g.highlight(),
308 white, white,
309 dis ? discol : white,
310 discol, white );
311 drawPrimitive(PE_ArrowRight, p, QRect(x+w - motifArrowHMargin - motifItemFrame - dim, y + h / 2 - dim / 2, dim, dim),
312 g2, Style_Enabled);
313 } else {
314 drawPrimitive(PE_ArrowRight, p, QRect(x+w - motifArrowHMargin - motifItemFrame - dim, y + h / 2 - dim / 2, dim, dim),
315 g, !dis ? Style_Enabled : Style_Default);
316 }
317 }
318 }
319 break;
320
321 default:
322 QWindowsStyle::drawControl( element, p, widget, r, g, flags, opt );
323 break;
324 }
325}
326
327#endif
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