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qt3/src/styles/qcompactstyle.cpp

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/****************************************************************************
**
** Implementation of compact style class
**
** Created : 006231
**
** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the widgets module of the Qt 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 files LICENSE.GPL2
** and LICENSE.GPL3 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 Qt 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.QPL
** included in the packaging of this file. Licensees holding valid Qt
** Commercial licenses may use this file in accordance with the Qt
** 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.
**
**********************************************************************/
#include "qcompactstyle.h"
#if !defined(QT_NO_STYLE_COMPACT) || defined(QT_PLUGIN)
#include "qfontmetrics.h"
#include "qpalette.h"
#include "qpainter.h"
#include "qdrawutil.h"
#include "qmenudata.h"
#include "qpopupmenu.h"
QCompactStyle::QCompactStyle()
: QWindowsStyle()
{
}
/*! \reimp */
int QCompactStyle::pixelMetric( PixelMetric metric, QStyleControlElementData ceData, ControlElementFlags elementFlags, const QWidget *widget )
{
int ret;
switch ( metric ) {
case PM_ButtonMargin:
ret = 2;
break;
// tws - I added this in to stop this "Windows Scroll behaivor." Remove it
// if you don't want it.
case PM_MaximumDragDistance:
ret = -1;
break;
case PM_MenuIndicatorFrameHBorder:
case PM_MenuIndicatorFrameVBorder:
case PM_MenuIconIndicatorFrameHBorder:
case PM_MenuIconIndicatorFrameVBorder:
ret = 0;
break;
default:
ret = QWindowsStyle::pixelMetric( metric, ceData, elementFlags, widget );
break;
}
return ret;
}
static const int motifItemFrame = 0; // menu item frame width
static const int motifSepHeight = 2; // separator item height
static const int motifItemHMargin = 1; // menu item hor text margin
static const int motifItemVMargin = 2; // menu item ver text margin
static const int motifArrowHMargin = 0; // arrow horizontal margin
static const int motifTabSpacing = 4; // space between text and tab
static const int motifCheckMarkHMargin = 1; // horiz. margins of check mark
static const int windowsRightBorder = 8; // right border on windows
static const int windowsCheckMarkWidth = 2; // checkmarks width on windows
#if 0
static int extraPopupMenuItemWidth( bool checkable, int maxpmw, QMenuItem* mi, const QFontMetrics& /*fm*/ )
{
int w = 2*motifItemHMargin + 2*motifItemFrame; // a little bit of border can never harm
if ( mi->isSeparator() )
return 10; // arbitrary
else if ( mi->pixmap() )
w += mi->pixmap()->width(); // pixmap only
if ( !mi->text().isNull() ) {
if ( mi->text().find('\t') >= 0 ) // string contains tab
w += motifTabSpacing;
}
if ( maxpmw ) { // we have iconsets
w += maxpmw;
w += 6; // add a little extra border around the iconset
}
if ( checkable && maxpmw < windowsCheckMarkWidth ) {
w += windowsCheckMarkWidth - maxpmw; // space for the checkmarks
}
if ( maxpmw > 0 || checkable ) // we have a check-column ( iconsets or checkmarks)
w += motifCheckMarkHMargin; // add space to separate the columns
w += windowsRightBorder; // windows has a strange wide border on the right side
return w;
}
static int popupMenuItemHeight( bool /*checkable*/, QMenuItem* mi, const QFontMetrics& fm )
{
int h = 0;
if ( mi->isSeparator() ) // separator height
h = motifSepHeight;
else if ( mi->pixmap() ) // pixmap height
h = mi->pixmap()->height() + 2*motifItemFrame;
else // text height
h = fm.height() + 2*motifItemVMargin + 2*motifItemFrame - 1;
if ( !mi->isSeparator() && mi->iconSet() != 0 ) {
h = QMAX( h, mi->iconSet()->pixmap( QIconSet::Small, QIconSet::Normal ).height() + 2*motifItemFrame );
}
if ( mi->custom() )
h = QMAX( h, mi->custom()->sizeHint().height() + 2*motifItemVMargin + 2*motifItemFrame ) - 1;
return h;
}
#endif
void drawPopupMenuItem( QPainter*, bool,
int, int, QMenuItem*,
const QPalette&, bool,
bool,
int, int, int, int)
{
}
/*! \reimp */
void QCompactStyle::drawControl( ControlElement element, QPainter *p, QStyleControlElementData ceData, ControlElementFlags elementFlags, const QRect &r,
const QColorGroup &g, SFlags flags, const QStyleOption& opt, const QWidget *widget )
{
switch ( element ) {
case CE_PopupMenuItem:
{
if ( (elementFlags & CEF_UseGenericParameters) || opt.isDefault())
break;
QMenuItem *mi = opt.menuItem();
if ( !mi )
break;
int tab = opt.tabWidth();
int maxpmw = opt.maxIconWidth();
bool dis = !(flags & Style_Enabled);
bool checkable = (elementFlags & CEF_IsCheckable);
bool act = flags & Style_Active;
int x, y, w, h;
r.rect( &x, &y, &w, &h );
QColorGroup itemg = g;
if ( checkable )
maxpmw = QMAX( maxpmw, 8 ); // space for the checkmarks
int checkcol = maxpmw;
if ( mi && mi->isSeparator() ) { // draw separator
p->setPen( g.dark() );
p->drawLine( x, y, x+w, y );
p->setPen( g.light() );
p->drawLine( x, y+1, x+w, y+1 );
return;
}
QBrush fill = act? g.brush( QColorGroup::Highlight ) :
g.brush( QColorGroup::Button );
p->fillRect( x, y, w, h, fill);
if ( !mi )
return;
if ( mi->isChecked() ) {
drawPrimitive( PE_MenuItemIndicatorFrame, p, ceData, elementFlags, r, itemg, flags, opt );
} else if ( !act ) {
p->fillRect(x, y, checkcol , h,
g.brush( QColorGroup::Button ));
}
if ( mi->iconSet() ) { // draw iconset
QIconSet::Mode mode = dis ? QIconSet::Disabled : QIconSet::Normal;
if (act && !dis )
mode = QIconSet::Active;
QPixmap pixmap;
if ( checkable && mi->isChecked() )
pixmap = mi->iconSet()->pixmap( QIconSet::Small, mode, QIconSet::On );
else
pixmap = mi->iconSet()->pixmap( QIconSet::Small, mode );
int pixw = pixmap.width();
int pixh = pixmap.height();
if ( act && !dis ) {
if ( !mi->isChecked() )
drawPrimitive( PE_MenuItemIndicatorIconFrame, p, ceData, elementFlags, r, itemg, flags, opt );
}
QRect cr( x, y, checkcol, h );
QRect pmr( 0, 0, pixw, pixh );
pmr.moveCenter( cr.center() );
p->setPen( itemg.text() );
p->drawPixmap( pmr.topLeft(), pixmap );
QBrush fill = act? g.brush( QColorGroup::Highlight ) :
g.brush( QColorGroup::Button );
p->fillRect( x+checkcol + 1, y, w - checkcol - 1, h, fill);
} else if ( checkable ) { // just "checking"...
if ( mi->isChecked() ) {
drawPrimitive( PE_MenuItemIndicatorCheck, p, ceData, elementFlags, r, itemg, flags, opt );
}
}
p->setPen( act ? g.highlightedText() : g.buttonText() );
QColor discol;
if ( dis ) {
discol = itemg.text();
p->setPen( discol );
}
int xm = motifItemFrame + checkcol + motifItemHMargin;
if ( mi->custom() ) {
int m = motifItemVMargin;
p->save();
if ( dis && !act ) {
p->setPen( g.light() );
mi->custom()->paint( p, itemg, act, !dis,
x+xm+1, y+m+1, w-xm-tab+1, h-2*m );
p->setPen( discol );
}
mi->custom()->paint( p, itemg, act, !dis,
x+xm, y+m, w-xm-tab+1, h-2*m );
p->restore();
}
QString s = mi->text();
if ( !s.isNull() ) { // draw text
int t = s.find( '\t' );
int m = motifItemVMargin;
const int text_flags = AlignVCenter|ShowPrefix | DontClip | SingleLine;
if ( t >= 0 ) { // draw tab text
if ( dis && !act ) {
p->setPen( g.light() );
p->drawText( x+w-tab-windowsRightBorder-motifItemHMargin-motifItemFrame+1,
y+m+1, tab, h-2*m, text_flags, s.mid( t+1 ));
p->setPen( discol );
}
p->drawText( x+w-tab-windowsRightBorder-motifItemHMargin-motifItemFrame,
y+m, tab, h-2*m, text_flags, s.mid( t+1 ) );
s = s.left( t );
}
if ( dis && !act ) {
p->setPen( g.light() );
p->drawText( x+xm+1, y+m+1, w-xm+1, h-2*m, text_flags, s, t );
p->setPen( discol );
}
p->drawText( x+xm, y+m, w-xm-tab+1, h-2*m, text_flags, s, t );
} else if ( mi->pixmap() ) { // draw pixmap
QPixmap *pixmap = mi->pixmap();
if ( pixmap->depth() == 1 )
p->setBackgroundMode( OpaqueMode );
p->drawPixmap( x+xm, y+motifItemFrame, *pixmap );
if ( pixmap->depth() == 1 )
p->setBackgroundMode( TransparentMode );
}
if ( mi->popup() ) { // draw sub menu arrow
int dim = (h-2*motifItemFrame) / 2;
if ( act ) {
if ( !dis )
discol = white;
QColorGroup g2( discol, g.highlight(),
white, white,
dis ? discol : white,
discol, white );
drawPrimitive(PE_ArrowRight, p, ceData, elementFlags, QRect(x+w - motifArrowHMargin - motifItemFrame - dim, y + h / 2 - dim / 2, dim, dim),
g2, Style_Enabled);
} else {
drawPrimitive(PE_ArrowRight, p, ceData, elementFlags, QRect(x+w - motifArrowHMargin - motifItemFrame - dim, y + h / 2 - dim / 2, dim, dim),
g, !dis ? Style_Enabled : Style_Default);
}
}
}
break;
default:
QWindowsStyle::drawControl( element, p, ceData, elementFlags, r, g, flags, opt, widget );
break;
}
}
/*! \reimp */
void QCompactStyle::drawPrimitive( PrimitiveElement pe,
QPainter *p,
QStyleControlElementData ceData,
ControlElementFlags elementFlags,
const QRect &r,
const QColorGroup &cg,
SFlags flags,
const QStyleOption& opt ) const
{
bool dis = !(flags & Style_Enabled);
bool act = flags & Style_Active;
int x, y, w, h;
r.rect( &x, &y, &w, &h );
switch (pe) {
case PE_MenuItemIndicatorFrame:
{
int checkcol = styleHint(SH_MenuIndicatorColumnWidth, ceData, elementFlags, opt, NULL, NULL);
if ( act && !dis ) {
qDrawShadePanel( p, x, y, checkcol, h, cg, TRUE, 1, &cg.brush( QColorGroup::Button ) );
} else {
qDrawShadePanel( p, x, y, checkcol, h, cg, TRUE, 1, &cg.brush( QColorGroup::Midlight ) );
}
}
break;
case PE_MenuItemIndicatorIconFrame:
{
int checkcol = styleHint(SH_MenuIndicatorColumnWidth, ceData, elementFlags, opt, NULL, NULL);
qDrawShadePanel( p, x, y, checkcol, h, cg, FALSE, 1, &cg.brush( QColorGroup::Button ) );
}
break;
case PE_MenuItemIndicatorCheck:
{
int checkcol = styleHint(SH_MenuIndicatorColumnWidth, ceData, elementFlags, opt, NULL, NULL);
int mw = checkcol + motifItemFrame;
int mh = h - 2*motifItemFrame;
SFlags cflags = Style_Default;
if (! dis) {
cflags |= Style_Enabled;
}
if (act) {
cflags |= Style_On;
}
drawPrimitive( PE_CheckMark, p, ceData, elementFlags, QRect(x + motifItemFrame + 2, y + motifItemFrame, mw, mh), cg, cflags, opt );
}
break;
default:
break;
}
}
/*! \reimp */
int QCompactStyle::styleHint(StyleHint sh, QStyleControlElementData ceData, ControlElementFlags elementFlags, const QStyleOption &opt, QStyleHintReturn *returnData, const QWidget *w) const
{
int ret;
switch (sh) {
case SH_MenuIndicatorColumnWidth:
{
int maxpmw = opt.maxIconWidth();
bool checkable = (elementFlags & CEF_IsCheckable);
if ( checkable )
maxpmw = QMAX( maxpmw, 8 ); // space for the checkmarks
ret = maxpmw;
}
break;
default:
ret = QWindowsStyle::styleHint(sh, ceData, elementFlags, opt, returnData, w);
break;
}
return ret;
}
#endif