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tdelibs/kdefx/kstyle.cpp

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/*
*
* KStyle
* Copyright (C) 2001-2002 Karol Szwed <gallium@kde.org>
*
* QWindowsStyle CC_ListView and style images were kindly donated by TrollTech,
* Copyright (C) 1998-2000 TrollTech AS.
*
* Many thanks to Bradley T. Hughes for the 3 button scrollbar code.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License version 2 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "kstyle.h"
#include <qapplication.h>
#include <qbitmap.h>
#include <qcleanuphandler.h>
#include <qmap.h>
#include <qimage.h>
#include <qlistview.h>
#include <qmenubar.h>
#include <qpainter.h>
#include <qpixmap.h>
#include <qpopupmenu.h>
#include <qprogressbar.h>
#include <qscrollbar.h>
#include <qsettings.h>
#include <qslider.h>
#include <qstylefactory.h>
#include <qtabbar.h>
#include <qtoolbar.h>
#include <kpixmap.h>
#include <kpixmapeffect.h>
#include <kimageeffect.h>
#ifdef Q_WS_X11
# include <X11/Xlib.h>
# ifdef HAVE_XRENDER
# include <X11/extensions/Xrender.h> // schroder
extern bool qt_use_xrender;
# endif
#else
#undef HAVE_XRENDER
#endif
#include <limits.h>
namespace
{
// INTERNAL
enum TransparencyEngine {
Disabled = 0,
SoftwareTint,
SoftwareBlend,
XRender
};
// Drop Shadow
struct ShadowElements {
QWidget* w1;
QWidget* w2;
};
typedef QMap<const QPopupMenu*,ShadowElements> ShadowMap;
static ShadowMap *_shadowMap = 0;
QSingleCleanupHandler<ShadowMap> cleanupShadowMap;
ShadowMap &shadowMap() {
if ( !_shadowMap ) {
_shadowMap = new ShadowMap;
cleanupShadowMap.set( &_shadowMap );
}
return *_shadowMap;
}
// DO NOT ASK ME HOW I MADE THESE TABLES!
// (I probably won't remember anyway ;)
const double top_right_corner[16] =
{ 0.949, 0.965, 0.980, 0.992,
0.851, 0.890, 0.945, 0.980,
0.706, 0.780, 0.890, 0.960,
0.608, 0.706, 0.851, 0.949 };
const double bottom_right_corner[16] =
{ 0.608, 0.706, 0.851, 0.949,
0.706, 0.780, 0.890, 0.960,
0.851, 0.890, 0.945, 0.980,
0.949, 0.965, 0.980, 0.992 };
const double bottom_left_corner[16] =
{ 0.949, 0.851, 0.706, 0.608,
0.965, 0.890, 0.780, 0.706,
0.980, 0.945, 0.890, 0.851,
0.992, 0.980, 0.960, 0.949 };
const double shadow_strip[4] =
{ 0.565, 0.675, 0.835, 0.945 };
}
namespace
{
class TransparencyHandler : public QObject
{
public:
TransparencyHandler(KStyle* style, TransparencyEngine tEngine,
float menuOpacity, bool useDropShadow);
~TransparencyHandler();
bool eventFilter(QObject* object, QEvent* event);
protected:
void blendToColor(const QColor &col);
void blendToPixmap(const QColorGroup &cg, const QPopupMenu* p);
#ifdef HAVE_XRENDER
void XRenderBlendToPixmap(const QPopupMenu* p);
#endif
void createShadowWindows(const QPopupMenu* p);
void removeShadowWindows(const QPopupMenu* p);
void rightShadow(QImage& dst);
void bottomShadow(QImage& dst);
private:
bool dropShadow;
float opacity;
QPixmap pix;
KStyle* kstyle;
TransparencyEngine te;
};
} // namespace
struct KStylePrivate
{
bool highcolor : 1;
bool useFilledFrameWorkaround : 1;
bool etchDisabledText : 1;
bool scrollablePopupmenus : 1;
bool menuAltKeyNavigation : 1;
bool menuDropShadow : 1;
bool sloppySubMenus : 1;
bool semiTransparentRubberband : 1;
int popupMenuDelay;
float menuOpacity;
TransparencyEngine transparencyEngine;
KStyle::KStyleScrollBarType scrollbarType;
TransparencyHandler* menuHandler;
KStyle::KStyleFlags flags;
//For KPE_ListViewBranch
QBitmap *verticalLine;
QBitmap *horizontalLine;
};
// -----------------------------------------------------------------------------
KStyle::KStyle( KStyleFlags flags, KStyleScrollBarType sbtype )
: QCommonStyle(), d(new KStylePrivate)
{
d->flags = flags;
bool useMenuTransparency = (flags & AllowMenuTransparency);
d->useFilledFrameWorkaround = (flags & FilledFrameWorkaround);
d->scrollbarType = sbtype;
d->highcolor = QPixmap::defaultDepth() > 8;
// Read style settings
QSettings settings;
d->popupMenuDelay = settings.readNumEntry ("/KStyle/Settings/PopupMenuDelay", 256);
d->sloppySubMenus = settings.readBoolEntry("/KStyle/Settings/SloppySubMenus", false);
d->etchDisabledText = settings.readBoolEntry("/KStyle/Settings/EtchDisabledText", true);
d->menuAltKeyNavigation = settings.readBoolEntry("/KStyle/Settings/MenuAltKeyNavigation", true);
d->scrollablePopupmenus = settings.readBoolEntry("/KStyle/Settings/ScrollablePopupMenus", false);
d->menuDropShadow = settings.readBoolEntry("/KStyle/Settings/MenuDropShadow", false);
d->semiTransparentRubberband = settings.readBoolEntry("/KStyle/Settings/SemiTransparentRubberband", false);
d->menuHandler = NULL;
if (useMenuTransparency) {
QString effectEngine = settings.readEntry("/KStyle/Settings/MenuTransparencyEngine", "Disabled");
#ifdef HAVE_XRENDER
if (effectEngine == "XRender")
d->transparencyEngine = XRender;
#else
if (effectEngine == "XRender")
d->transparencyEngine = SoftwareBlend;
#endif
else if (effectEngine == "SoftwareBlend")
d->transparencyEngine = SoftwareBlend;
else if (effectEngine == "SoftwareTint")
d->transparencyEngine = SoftwareTint;
else
d->transparencyEngine = Disabled;
if (d->transparencyEngine != Disabled) {
// Create an instance of the menu transparency handler
d->menuOpacity = settings.readDoubleEntry("/KStyle/Settings/MenuOpacity", 0.90);
d->menuHandler = new TransparencyHandler(this, d->transparencyEngine,
d->menuOpacity, d->menuDropShadow);
}
}
d->verticalLine = 0;
d->horizontalLine = 0;
// Create a transparency handler if only drop shadows are enabled.
if (!d->menuHandler && d->menuDropShadow)
d->menuHandler = new TransparencyHandler(this, Disabled, 1.0, d->menuDropShadow);
}
KStyle::~KStyle()
{
delete d->verticalLine;
delete d->horizontalLine;
delete d->menuHandler;
d->menuHandler = NULL;
delete d;
}
QString KStyle::defaultStyle()
{
if (QPixmap::defaultDepth() > 8)
return QString("plastik");
else
return QString("light, 3rd revision");
}
void KStyle::polish( QWidget* widget )
{
if ( d->useFilledFrameWorkaround )
{
if ( QFrame *frame = ::qt_cast< QFrame* >( widget ) ) {
QFrame::Shape shape = frame->frameShape();
if (shape == QFrame::ToolBarPanel || shape == QFrame::MenuBarPanel)
widget->installEventFilter(this);
}
}
}
void KStyle::unPolish( QWidget* widget )
{
if ( d->useFilledFrameWorkaround )
{
if ( QFrame *frame = ::qt_cast< QFrame* >( widget ) ) {
QFrame::Shape shape = frame->frameShape();
if (shape == QFrame::ToolBarPanel || shape == QFrame::MenuBarPanel)
widget->removeEventFilter(this);
}
}
}
// Style changes (should) always re-polish popups.
void KStyle::polishPopupMenu( QPopupMenu* p )
{
if (!p->testWState( WState_Polished ))
p->setCheckable(true);
// Install transparency handler if the effect is enabled.
if ( d->menuHandler &&
(strcmp(p->name(), "tear off menu") != 0))
p->installEventFilter(d->menuHandler);
}
// -----------------------------------------------------------------------------
// KStyle extensions
// -----------------------------------------------------------------------------
void KStyle::setScrollBarType(KStyleScrollBarType sbtype)
{
d->scrollbarType = sbtype;
}
KStyle::KStyleFlags KStyle::styleFlags() const
{
return d->flags;
}
void KStyle::renderMenuBlendPixmap( KPixmap &pix, const QColorGroup &cg,
const QPopupMenu* /* popup */ ) const
{
pix.fill(cg.button()); // Just tint as the default behavior
}
void KStyle::drawKStylePrimitive( KStylePrimitive kpe,
QPainter* p,
const QWidget* widget,
const QRect &r,
const QColorGroup &cg,
SFlags flags,
const QStyleOption& /* opt */ ) const
{
switch( kpe )
{
// Dock / Toolbar / General handles.
// ---------------------------------
case KPE_DockWindowHandle: {
// Draws a nice DockWindow handle including the dock title.
QWidget* wid = const_cast<QWidget*>(widget);
bool horizontal = flags & Style_Horizontal;
int x,y,w,h,x2,y2;
r.rect( &x, &y, &w, &h );
if ((w <= 2) || (h <= 2)) {
p->fillRect(r, cg.highlight());
return;
}
x2 = x + w - 1;
y2 = y + h - 1;
QFont fnt;
fnt = QApplication::font(wid);
fnt.setPointSize( fnt.pointSize()-2 );
// Draw the item on an off-screen pixmap
// to preserve Xft antialiasing for
// vertically oriented handles.
QPixmap pix;
if (horizontal)
pix.resize( h-2, w-2 );
else
pix.resize( w-2, h-2 );
QString title = wid->parentWidget()->caption();
QPainter p2;
p2.begin(&pix);
p2.fillRect(pix.rect(), cg.brush(QColorGroup::Highlight));
p2.setPen(cg.highlightedText());
p2.setFont(fnt);
p2.drawText(pix.rect(), AlignCenter, title);
p2.end();
// Draw a sunken bevel
p->setPen(cg.dark());
p->drawLine(x, y, x2, y);
p->drawLine(x, y, x, y2);
p->setPen(cg.light());
p->drawLine(x+1, y2, x2, y2);
p->drawLine(x2, y+1, x2, y2);
if (horizontal) {
QWMatrix m;
m.rotate(-90.0);
QPixmap vpix = pix.xForm(m);
bitBlt(wid, r.x()+1, r.y()+1, &vpix);
} else
bitBlt(wid, r.x()+1, r.y()+1, &pix);
break;
}
/*
* KPE_ListViewExpander and KPE_ListViewBranch are based on code from
* QWindowStyle's CC_ListView, kindly donated by TrollTech.
* CC_ListView code is Copyright (C) 1998-2000 TrollTech AS.
*/
case KPE_ListViewExpander: {
// Typical Windows style expand/collapse element.
int radius = (r.width() - 4) / 2;
int centerx = r.x() + r.width()/2;
int centery = r.y() + r.height()/2;
// Outer box
p->setPen( cg.mid() );
p->drawRect( r );
// plus or minus
p->setPen( cg.text() );
p->drawLine( centerx - radius, centery, centerx + radius, centery );
if ( flags & Style_On ) // Collapsed = On
p->drawLine( centerx, centery - radius, centerx, centery + radius );
break;
}
case KPE_ListViewBranch: {
// Typical Windows style listview branch element (dotted line).
// Create the dotline pixmaps if not already created
if ( !d->verticalLine )
{
// make 128*1 and 1*128 bitmaps that can be used for
// drawing the right sort of lines.
d->verticalLine = new QBitmap( 1, 129, true );
d->horizontalLine = new QBitmap( 128, 1, true );
QPointArray a( 64 );
QPainter p2;
p2.begin( d->verticalLine );
int i;
for( i=0; i < 64; i++ )
a.setPoint( i, 0, i*2+1 );
p2.setPen( color1 );
p2.drawPoints( a );
p2.end();
QApplication::flushX();
d->verticalLine->setMask( *d->verticalLine );
p2.begin( d->horizontalLine );
for( i=0; i < 64; i++ )
a.setPoint( i, i*2+1, 0 );
p2.setPen( color1 );
p2.drawPoints( a );
p2.end();
QApplication::flushX();
d->horizontalLine->setMask( *d->horizontalLine );
}
p->setPen( cg.text() ); // cg.dark() is bad for dark color schemes.
if (flags & Style_Horizontal)
{
int point = r.x();
int other = r.y();
int end = r.x()+r.width();
int thickness = r.height();
while( point < end )
{
int i = 128;
if ( i+point > end )
i = end-point;
p->drawPixmap( point, other, *d->horizontalLine, 0, 0, i, thickness );
point += i;
}
} else {
int point = r.y();
int other = r.x();
int end = r.y()+r.height();
int thickness = r.width();
int pixmapoffset = (flags & Style_NoChange) ? 0 : 1; // ### Hackish
while( point < end )
{
int i = 128;
if ( i+point > end )
i = end-point;
p->drawPixmap( other, point, *d->verticalLine, 0, pixmapoffset, thickness, i );
point += i;
}
}
break;
}
// Reimplement the other primitives in your styles.
// The current implementation just paints something visibly different.
case KPE_ToolBarHandle:
case KPE_GeneralHandle:
case KPE_SliderHandle:
p->fillRect(r, cg.light());
break;
case KPE_SliderGroove:
p->fillRect(r, cg.dark());
break;
default:
p->fillRect(r, Qt::yellow); // Something really bad happened - highlight.
break;
}
}
int KStyle::kPixelMetric( KStylePixelMetric kpm, const QWidget* /* widget */) const
{
int value;
switch(kpm)
{
case KPM_ListViewBranchThickness:
value = 1;
break;
case KPM_MenuItemSeparatorHeight:
case KPM_MenuItemHMargin:
case KPM_MenuItemVMargin:
case KPM_MenuItemHFrame:
case KPM_MenuItemVFrame:
case KPM_MenuItemCheckMarkHMargin:
case KPM_MenuItemArrowHMargin:
case KPM_MenuItemTabSpacing:
default:
value = 0;
}
return value;
}
// -----------------------------------------------------------------------------
void KStyle::drawPrimitive( PrimitiveElement pe,
QPainter* p,
const QRect &r,
const QColorGroup &cg,
SFlags flags,
const QStyleOption& opt ) const
{
// TOOLBAR/DOCK WINDOW HANDLE
// ------------------------------------------------------------------------
if (pe == PE_DockWindowHandle)
{
// Wild workarounds are here. Beware.
QWidget *widget, *parent;
if (p && p->device()->devType() == QInternal::Widget) {
widget = static_cast<QWidget*>(p->device());
parent = widget->parentWidget();
} else
return; // Don't paint on non-widgets
// Check if we are a normal toolbar or a hidden dockwidget.
if ( parent &&
(parent->inherits("QToolBar") || // Normal toolbar
(parent->inherits("QMainWindow")) )) // Collapsed dock
// Draw a toolbar handle
drawKStylePrimitive( KPE_ToolBarHandle, p, widget, r, cg, flags, opt );
else if ( widget->inherits("QDockWindowHandle") )
// Draw a dock window handle
drawKStylePrimitive( KPE_DockWindowHandle, p, widget, r, cg, flags, opt );
else
// General handle, probably a kicker applet handle.
drawKStylePrimitive( KPE_GeneralHandle, p, widget, r, cg, flags, opt );
#if QT_VERSION >= 0x030300
#ifdef HAVE_XRENDER
} else if ( d->semiTransparentRubberband && pe == QStyle::PE_RubberBand ) {
QRect rect = r.normalize();
QPoint point;
point = p->xForm( point );
static XRenderColor clr = { 0, 0, 0, 0 };
static unsigned long fillColor = 0;
if ( fillColor != cg.highlight().rgb() ) {
fillColor = cg.highlight().rgb();
unsigned long color = fillColor << 8 | 0x40;
int red = (color >> 24) & 0xff;
int green = (color >> 16) & 0xff;
int blue = (color >> 8) & 0xff;
int alpha = (color >> 0) & 0xff;
red = red * alpha / 255;
green = green * alpha / 255;
blue = blue * alpha / 255;
clr.red = (red << 8) + red;
clr.green = (green << 8) + green;
clr.blue = (blue << 8) + blue;
clr.alpha = (alpha << 8) + alpha;
}
XRenderFillRectangle(
p->device()->x11Display(),
PictOpOver,
p->device()->x11RenderHandle(),
&clr,
rect.x() + point.x(),
rect.y() + point.y(),
rect.width(),
rect.height() );
p->save();
p->setRasterOp( Qt::CopyROP );
p->setPen( QPen( cg.highlight().dark( 160 ), 1 ) );
p->setBrush( NoBrush );
p->drawRect(
rect.x() + point.x(),
rect.y() + point.y(),
rect.width(),
rect.height() );
p->restore();
#endif
#endif
} else
QCommonStyle::drawPrimitive( pe, p, r, cg, flags, opt );
}
void KStyle::drawControl( ControlElement element,
QPainter* p,
const QWidget* widget,
const QRect &r,
const QColorGroup &cg,
SFlags flags,
const QStyleOption &opt ) const
{
switch (element)
{
// TABS
// ------------------------------------------------------------------------
case CE_TabBarTab: {
const QTabBar* tb = (const QTabBar*) widget;
QTabBar::Shape tbs = tb->shape();
bool selected = flags & Style_Selected;
int x = r.x(), y=r.y(), bottom=r.bottom(), right=r.right();
switch (tbs) {
case QTabBar::RoundedAbove: {
if (!selected)
p->translate(0,1);
p->setPen(selected ? cg.light() : cg.shadow());
p->drawLine(x, y+4, x, bottom);
p->drawLine(x, y+4, x+4, y);
p->drawLine(x+4, y, right-1, y);
if (selected)
p->setPen(cg.shadow());
p->drawLine(right, y+1, right, bottom);
p->setPen(cg.midlight());
p->drawLine(x+1, y+4, x+1, bottom);
p->drawLine(x+1, y+4, x+4, y+1);
p->drawLine(x+5, y+1, right-2, y+1);
if (selected) {
p->setPen(cg.mid());
p->drawLine(right-1, y+1, right-1, bottom);
} else {
p->setPen(cg.mid());
p->drawPoint(right-1, y+1);
p->drawLine(x+4, y+2, right-1, y+2);
p->drawLine(x+3, y+3, right-1, y+3);
p->fillRect(x+2, y+4, r.width()-3, r.height()-6, cg.mid());
p->setPen(cg.light());
p->drawLine(x, bottom-1, right, bottom-1);
p->translate(0,-1);
}
break;
}
case QTabBar::RoundedBelow: {
if (!selected)
p->translate(0,-1);
p->setPen(selected ? cg.light() : cg.shadow());
p->drawLine(x, bottom-4, x, y);
if (selected)
p->setPen(cg.mid());
p->drawLine(x, bottom-4, x+4, bottom);
if (selected)
p->setPen(cg.shadow());
p->drawLine(x+4, bottom, right-1, bottom);
p->drawLine(right, bottom-1, right, y);
p->setPen(cg.midlight());
p->drawLine(x+1, bottom-4, x+1, y);
p->drawLine(x+1, bottom-4, x+4, bottom-1);
p->drawLine(x+5, bottom-1, right-2, bottom-1);
if (selected) {
p->setPen(cg.mid());
p->drawLine(right-1, y, right-1, bottom-1);
} else {
p->setPen(cg.mid());
p->drawPoint(right-1, bottom-1);
p->drawLine(x+4, bottom-2, right-1, bottom-2);
p->drawLine(x+3, bottom-3, right-1, bottom-3);
p->fillRect(x+2, y+2, r.width()-3, r.height()-6, cg.mid());
p->translate(0,1);
p->setPen(cg.dark());
p->drawLine(x, y, right, y);
}
break;
}
case QTabBar::TriangularAbove: {
if (!selected)
p->translate(0,1);
p->setPen(selected ? cg.light() : cg.shadow());
p->drawLine(x, bottom, x, y+6);
p->drawLine(x, y+6, x+6, y);
p->drawLine(x+6, y, right-6, y);
if (selected)
p->setPen(cg.mid());
p->drawLine(right-5, y+1, right-1, y+5);
p->setPen(cg.shadow());
p->drawLine(right, y+6, right, bottom);
p->setPen(cg.midlight());
p->drawLine(x+1, bottom, x+1, y+6);
p->drawLine(x+1, y+6, x+6, y+1);
p->drawLine(x+6, y+1, right-6, y+1);
p->drawLine(right-5, y+2, right-2, y+5);
p->setPen(cg.mid());
p->drawLine(right-1, y+6, right-1, bottom);
QPointArray a(6);
a.setPoint(0, x+2, bottom);
a.setPoint(1, x+2, y+7);
a.setPoint(2, x+7, y+2);
a.setPoint(3, right-7, y+2);
a.setPoint(4, right-2, y+7);
a.setPoint(5, right-2, bottom);
p->setPen (selected ? cg.background() : cg.mid());
p->setBrush(selected ? cg.background() : cg.mid());
p->drawPolygon(a);
p->setBrush(NoBrush);
if (!selected) {
p->translate(0,-1);
p->setPen(cg.light());
p->drawLine(x, bottom, right, bottom);
}
break;
}
default: { // QTabBar::TriangularBelow
if (!selected)
p->translate(0,-1);
p->setPen(selected ? cg.light() : cg.shadow());
p->drawLine(x, y, x, bottom-6);
if (selected)
p->setPen(cg.mid());
p->drawLine(x, bottom-6, x+6, bottom);
if (selected)
p->setPen(cg.shadow());
p->drawLine(x+6, bottom, right-6, bottom);
p->drawLine(right-5, bottom-1, right-1, bottom-5);
if (!selected)
p->setPen(cg.shadow());
p->drawLine(right, bottom-6, right, y);
p->setPen(cg.midlight());
p->drawLine(x+1, y, x+1, bottom-6);
p->drawLine(x+1, bottom-6, x+6, bottom-1);
p->drawLine(x+6, bottom-1, right-6, bottom-1);
p->drawLine(right-5, bottom-2, right-2, bottom-5);
p->setPen(cg.mid());
p->drawLine(right-1, bottom-6, right-1, y);
QPointArray a(6);
a.setPoint(0, x+2, y);
a.setPoint(1, x+2, bottom-7);
a.setPoint(2, x+7, bottom-2);
a.setPoint(3, right-7, bottom-2);
a.setPoint(4, right-2, bottom-7);
a.setPoint(5, right-2, y);
p->setPen (selected ? cg.background() : cg.mid());
p->setBrush(selected ? cg.background() : cg.mid());
p->drawPolygon(a);
p->setBrush(NoBrush);
if (!selected) {
p->translate(0,1);
p->setPen(cg.dark());
p->drawLine(x, y, right, y);
}
break;
}
};
break;
}
// Popup menu scroller
// ------------------------------------------------------------------------
case CE_PopupMenuScroller: {
p->fillRect(r, cg.background());
drawPrimitive(PE_ButtonTool, p, r, cg, Style_Enabled);
drawPrimitive((flags & Style_Up) ? PE_ArrowUp : PE_ArrowDown, p, r, cg, Style_Enabled);
break;
}
// PROGRESSBAR
// ------------------------------------------------------------------------
case CE_ProgressBarGroove: {
QRect fr = subRect(SR_ProgressBarGroove, widget);
drawPrimitive(PE_Panel, p, fr, cg, Style_Sunken, QStyleOption::Default);
break;
}
case CE_ProgressBarContents: {
// ### Take into account totalSteps() for busy indicator
const QProgressBar* pb = (const QProgressBar*)widget;
QRect cr = subRect(SR_ProgressBarContents, widget);
double progress = pb->progress();
bool reverse = QApplication::reverseLayout();
int steps = pb->totalSteps();
if (!cr.isValid())
return;
// Draw progress bar
if (progress > 0 || steps == 0) {
double pg = (steps == 0) ? 0.1 : progress / steps;
int width = QMIN(cr.width(), (int)(pg * cr.width()));
if (steps == 0) { //Busy indicator
if (width < 1) width = 1; //A busy indicator with width 0 is kind of useless
int remWidth = cr.width() - width; //Never disappear completely
if (remWidth <= 0) remWidth = 1; //Do something non-crashy when too small...
int pstep = int(progress) % ( 2 * remWidth );
if ( pstep > remWidth ) {
//Bounce about.. We're remWidth + some delta, we want to be remWidth - delta...
// - ( (remWidth + some delta) - 2* remWidth ) = - (some deleta - remWidth) = remWidth - some delta..
pstep = - (pstep - 2 * remWidth );
}
if (reverse)
p->fillRect(cr.x() + cr.width() - width - pstep, cr.y(), width, cr.height(),
cg.brush(QColorGroup::Highlight));
else
p->fillRect(cr.x() + pstep, cr.y(), width, cr.height(),
cg.brush(QColorGroup::Highlight));
return;
}
// Do fancy gradient for highcolor displays
if (d->highcolor) {
QColor c(cg.highlight());
KPixmap pix;
pix.resize(cr.width(), cr.height());
KPixmapEffect::gradient(pix, reverse ? c.light(150) : c.dark(150),
reverse ? c.dark(150) : c.light(150),
KPixmapEffect::HorizontalGradient);
if (reverse)
p->drawPixmap(cr.x()+(cr.width()-width), cr.y(), pix,
cr.width()-width, 0, width, cr.height());
else
p->drawPixmap(cr.x(), cr.y(), pix, 0, 0, width, cr.height());
} else
if (reverse)
p->fillRect(cr.x()+(cr.width()-width), cr.y(), width, cr.height(),
cg.brush(QColorGroup::Highlight));
else
p->fillRect(cr.x(), cr.y(), width, cr.height(),
cg.brush(QColorGroup::Highlight));
}
break;
}
case CE_ProgressBarLabel: {
const QProgressBar* pb = (const QProgressBar*)widget;
QRect cr = subRect(SR_ProgressBarContents, widget);
double progress = pb->progress();
bool reverse = QApplication::reverseLayout();
int steps = pb->totalSteps();
if (!cr.isValid())
return;
QFont font = p->font();
font.setBold(true);
p->setFont(font);
// Draw label
if (progress > 0 || steps == 0) {
double pg = (steps == 0) ? 1.0 : progress / steps;
int width = QMIN(cr.width(), (int)(pg * cr.width()));
QRect crect;
if (reverse)
crect.setRect(cr.x()+(cr.width()-width), cr.y(), cr.width(), cr.height());
else
crect.setRect(cr.x()+width, cr.y(), cr.width(), cr.height());
p->save();
p->setPen(pb->isEnabled() ? (reverse ? cg.text() : cg.highlightedText()) : cg.text());
p->drawText(r, AlignCenter, pb->progressString());
p->setClipRect(crect);
p->setPen(reverse ? cg.highlightedText() : cg.text());
p->drawText(r, AlignCenter, pb->progressString());
p->restore();
} else {
p->setPen(cg.text());
p->drawText(r, AlignCenter, pb->progressString());
}
break;
}
default:
QCommonStyle::drawControl(element, p, widget, r, cg, flags, opt);
}
}
QRect KStyle::subRect(SubRect r, const QWidget* widget) const
{
switch(r)
{
// KDE2 look smooth progress bar
// ------------------------------------------------------------------------
case SR_ProgressBarGroove:
return widget->rect();
case SR_ProgressBarContents:
case SR_ProgressBarLabel: {
// ### take into account indicatorFollowsStyle()
QRect rt = widget->rect();
return QRect(rt.x()+2, rt.y()+2, rt.width()-4, rt.height()-4);
}
default:
return QCommonStyle::subRect(r, widget);
}
}
int KStyle::pixelMetric(PixelMetric m, const QWidget* widget) const
{
switch(m)
{
// BUTTONS
// ------------------------------------------------------------------------
case PM_ButtonShiftHorizontal: // Offset by 1
case PM_ButtonShiftVertical: // ### Make configurable
return 1;
case PM_DockWindowHandleExtent:
{
QWidget* parent = 0;
// Check that we are not a normal toolbar or a hidden dockwidget,
// in which case we need to adjust the height for font size
if (widget && (parent = widget->parentWidget() )
&& !parent->inherits("QToolBar")
&& !parent->inherits("QMainWindow")
&& widget->inherits("QDockWindowHandle") )
return widget->fontMetrics().lineSpacing();
else
return QCommonStyle::pixelMetric(m, widget);
}
// TABS
// ------------------------------------------------------------------------
case PM_TabBarTabHSpace:
return 24;
case PM_TabBarTabVSpace: {
const QTabBar * tb = (const QTabBar *) widget;
if ( tb->shape() == QTabBar::RoundedAbove ||
tb->shape() == QTabBar::RoundedBelow )
return 10;
else
return 4;
}
case PM_TabBarTabOverlap: {
const QTabBar* tb = (const QTabBar*)widget;
QTabBar::Shape tbs = tb->shape();
if ( (tbs == QTabBar::RoundedAbove) ||
(tbs == QTabBar::RoundedBelow) )
return 0;
else
return 2;
}
// SLIDER
// ------------------------------------------------------------------------
case PM_SliderLength:
return 18;
case PM_SliderThickness:
return 24;
// Determines how much space to leave for the actual non-tickmark
// portion of the slider.
case PM_SliderControlThickness: {
const QSlider* slider = (const QSlider*)widget;
QSlider::TickSetting ts = slider->tickmarks();
int thickness = (slider->orientation() == Horizontal) ?
slider->height() : slider->width();
switch (ts) {
case QSlider::NoMarks: // Use total area.
break;
case QSlider::Both:
thickness = (thickness/2) + 3; // Use approx. 1/2 of area.
break;
default: // Use approx. 2/3 of area
thickness = ((thickness*2)/3) + 3;
break;
};
return thickness;
}
// SPLITTER
// ------------------------------------------------------------------------
case PM_SplitterWidth:
if (widget && widget->inherits("QDockWindowResizeHandle"))
return 8; // ### why do we need 2pix extra?
else
return 6;
// FRAMES
// ------------------------------------------------------------------------
case PM_MenuBarFrameWidth:
return 1;
case PM_DockWindowFrameWidth:
return 1;
// GENERAL
// ------------------------------------------------------------------------
case PM_MaximumDragDistance:
return -1;
case PM_MenuBarItemSpacing:
return 5;
case PM_ToolBarItemSpacing:
return 0;
case PM_PopupMenuScrollerHeight:
return pixelMetric( PM_ScrollBarExtent, 0);
default:
return QCommonStyle::pixelMetric( m, widget );
}
}
//Helper to find the next sibling that's not hidden
static QListViewItem* nextVisibleSibling(QListViewItem* item)
{
QListViewItem* sibling = item;
do
{
sibling = sibling->nextSibling();
}
while (sibling && !sibling->isVisible());
return sibling;
}
void KStyle::drawComplexControl( ComplexControl control,
QPainter* p,
const QWidget* widget,
const QRect &r,
const QColorGroup &cg,
SFlags flags,
SCFlags controls,
SCFlags active,
const QStyleOption &opt ) const
{
switch(control)
{
// 3 BUTTON SCROLLBAR
// ------------------------------------------------------------------------
case CC_ScrollBar: {
// Many thanks to Brad Hughes for contributing this code.
bool useThreeButtonScrollBar = (d->scrollbarType & ThreeButtonScrollBar);
const QScrollBar *sb = (const QScrollBar*)widget;
bool maxedOut = (sb->minValue() == sb->maxValue());
bool horizontal = (sb->orientation() == Qt::Horizontal);
SFlags sflags = ((horizontal ? Style_Horizontal : Style_Default) |
(maxedOut ? Style_Default : Style_Enabled));
QRect addline, subline, subline2, addpage, subpage, slider, first, last;
subline = querySubControlMetrics(control, widget, SC_ScrollBarSubLine, opt);
addline = querySubControlMetrics(control, widget, SC_ScrollBarAddLine, opt);
subpage = querySubControlMetrics(control, widget, SC_ScrollBarSubPage, opt);
addpage = querySubControlMetrics(control, widget, SC_ScrollBarAddPage, opt);
slider = querySubControlMetrics(control, widget, SC_ScrollBarSlider, opt);
first = querySubControlMetrics(control, widget, SC_ScrollBarFirst, opt);
last = querySubControlMetrics(control, widget, SC_ScrollBarLast, opt);
subline2 = addline;
if ( useThreeButtonScrollBar )
if (horizontal)
subline2.moveBy(-addline.width(), 0);
else
subline2.moveBy(0, -addline.height());
// Draw the up/left button set
if ((controls & SC_ScrollBarSubLine) && subline.isValid()) {
drawPrimitive(PE_ScrollBarSubLine, p, subline, cg,
sflags | (active == SC_ScrollBarSubLine ?
Style_Down : Style_Default));
if (useThreeButtonScrollBar && subline2.isValid())
drawPrimitive(PE_ScrollBarSubLine, p, subline2, cg,
sflags | (active == SC_ScrollBarSubLine ?
Style_Down : Style_Default));
}
if ((controls & SC_ScrollBarAddLine) && addline.isValid())
drawPrimitive(PE_ScrollBarAddLine, p, addline, cg,
sflags | ((active == SC_ScrollBarAddLine) ?
Style_Down : Style_Default));
if ((controls & SC_ScrollBarSubPage) && subpage.isValid())
drawPrimitive(PE_ScrollBarSubPage, p, subpage, cg,
sflags | ((active == SC_ScrollBarSubPage) ?
Style_Down : Style_Default));
if ((controls & SC_ScrollBarAddPage) && addpage.isValid())
drawPrimitive(PE_ScrollBarAddPage, p, addpage, cg,
sflags | ((active == SC_ScrollBarAddPage) ?
Style_Down : Style_Default));
if ((controls & SC_ScrollBarFirst) && first.isValid())
drawPrimitive(PE_ScrollBarFirst, p, first, cg,
sflags | ((active == SC_ScrollBarFirst) ?
Style_Down : Style_Default));
if ((controls & SC_ScrollBarLast) && last.isValid())
drawPrimitive(PE_ScrollBarLast, p, last, cg,
sflags | ((active == SC_ScrollBarLast) ?
Style_Down : Style_Default));
if ((controls & SC_ScrollBarSlider) && slider.isValid()) {
drawPrimitive(PE_ScrollBarSlider, p, slider, cg,
sflags | ((active == SC_ScrollBarSlider) ?
Style_Down : Style_Default));
// Draw focus rect
if (sb->hasFocus()) {
QRect fr(slider.x() + 2, slider.y() + 2,
slider.width() - 5, slider.height() - 5);
drawPrimitive(PE_FocusRect, p, fr, cg, Style_Default);
}
}
break;
}
// SLIDER
// -------------------------------------------------------------------
case CC_Slider: {
const QSlider* slider = (const QSlider*)widget;
QRect groove = querySubControlMetrics(CC_Slider, widget, SC_SliderGroove, opt);
QRect handle = querySubControlMetrics(CC_Slider, widget, SC_SliderHandle, opt);
// Double-buffer slider for no flicker
QPixmap pix(widget->size());
QPainter p2;
p2.begin(&pix);
if ( slider->parentWidget() &&
slider->parentWidget()->backgroundPixmap() &&
!slider->parentWidget()->backgroundPixmap()->isNull() ) {
QPixmap pixmap = *(slider->parentWidget()->backgroundPixmap());
p2.drawTiledPixmap(r, pixmap, slider->pos());
} else
pix.fill(cg.background());
// Draw slider groove
if ((controls & SC_SliderGroove) && groove.isValid()) {
drawKStylePrimitive( KPE_SliderGroove, &p2, widget, groove, cg, flags, opt );
// Draw the focus rect around the groove
if (slider->hasFocus())
drawPrimitive(PE_FocusRect, &p2, groove, cg);
}
// Draw the tickmarks
if (controls & SC_SliderTickmarks)
QCommonStyle::drawComplexControl(control, &p2, widget,
r, cg, flags, SC_SliderTickmarks, active, opt);
// Draw the slider handle
if ((controls & SC_SliderHandle) && handle.isValid()) {
if (active == SC_SliderHandle)
flags |= Style_Active;
drawKStylePrimitive( KPE_SliderHandle, &p2, widget, handle, cg, flags, opt );
}
p2.end();
bitBlt((QWidget*)widget, r.x(), r.y(), &pix);
break;
}
// LISTVIEW
// -------------------------------------------------------------------
case CC_ListView: {
/*
* Many thanks to TrollTech AS for donating CC_ListView from QWindowsStyle.
* CC_ListView code is Copyright (C) 1998-2000 TrollTech AS.
*/
// Paint the icon and text.
if ( controls & SC_ListView )
QCommonStyle::drawComplexControl( control, p, widget, r, cg, flags, controls, active, opt );
// If we're have a branch or are expanded...
if ( controls & (SC_ListViewBranch | SC_ListViewExpand) )
{
// If no list view item was supplied, break
if (opt.isDefault())
break;
QListViewItem *item = opt.listViewItem();
QListViewItem *child = item->firstChild();
int y = r.y();
int c; // dotline vertice count
int dotoffset = 0;
QPointArray dotlines;
if ( active == SC_All && controls == SC_ListViewExpand ) {
// We only need to draw a vertical line
c = 2;
dotlines.resize(2);
dotlines[0] = QPoint( r.right(), r.top() );
dotlines[1] = QPoint( r.right(), r.bottom() );
} else {
int linetop = 0, linebot = 0;
// each branch needs at most two lines, ie. four end points
dotoffset = (item->itemPos() + item->height() - y) % 2;
dotlines.resize( item->childCount() * 4 );
c = 0;
// skip the stuff above the exposed rectangle
while ( child && y + child->height() <= 0 )
{
y += child->totalHeight();
child = nextVisibleSibling(child);
}
int bx = r.width() / 2;
// paint stuff in the magical area
QListView* v = item->listView();
int lh = QMAX( p->fontMetrics().height() + 2 * v->itemMargin(),
QApplication::globalStrut().height() );
if ( lh % 2 > 0 )
lh++;
// Draw all the expand/close boxes...
QRect boxrect;
QStyle::StyleFlags boxflags;
while ( child && y < r.height() )
{
linebot = y + lh/2;
if ( (child->isExpandable() || child->childCount()) &&
(child->height() > 0) )
{
// The primitive requires a rect.
boxrect = QRect( bx-4, linebot-4, 9, 9 );
boxflags = child->isOpen() ? QStyle::Style_Off : QStyle::Style_On;
// KStyle extension: Draw the box and expand/collapse indicator
drawKStylePrimitive( KPE_ListViewExpander, p, NULL, boxrect, cg, boxflags, opt );
// dotlinery
p->setPen( cg.mid() );
dotlines[c++] = QPoint( bx, linetop );
dotlines[c++] = QPoint( bx, linebot - 5 );
dotlines[c++] = QPoint( bx + 5, linebot );
dotlines[c++] = QPoint( r.width(), linebot );
linetop = linebot + 5;
} else {
// just dotlinery
dotlines[c++] = QPoint( bx+1, linebot );
dotlines[c++] = QPoint( r.width(), linebot );
}
y += child->totalHeight();
child = nextVisibleSibling(child);
}
if ( child ) // there's a child to draw, so move linebot to edge of rectangle
linebot = r.height();
if ( linetop < linebot )
{
dotlines[c++] = QPoint( bx, linetop );
dotlines[c++] = QPoint( bx, linebot );
}
}
// Draw all the branches...
static int thickness = kPixelMetric( KPM_ListViewBranchThickness );
int line; // index into dotlines
QRect branchrect;
QStyle::StyleFlags branchflags;
for( line = 0; line < c; line += 2 )
{
// assumptions here: lines are horizontal or vertical.
// lines always start with the numerically lowest
// coordinate.
// point ... relevant coordinate of current point
// end ..... same coordinate of the end of the current line
// other ... the other coordinate of the current point/line
if ( dotlines[line].y() == dotlines[line+1].y() )
{
// Horizontal branch
int end = dotlines[line+1].x();
int point = dotlines[line].x();
int other = dotlines[line].y();
branchrect = QRect( point, other-(thickness/2), end-point, thickness );
branchflags = QStyle::Style_Horizontal;
// KStyle extension: Draw the horizontal branch
drawKStylePrimitive( KPE_ListViewBranch, p, NULL, branchrect, cg, branchflags, opt );
} else {
// Vertical branch
int end = dotlines[line+1].y();
int point = dotlines[line].y();
int other = dotlines[line].x();
int pixmapoffset = ((point & 1) != dotoffset ) ? 1 : 0;
branchrect = QRect( other-(thickness/2), point, thickness, end-point );
if (!pixmapoffset) // ### Hackish - used to hint the offset
branchflags = QStyle::Style_NoChange;
else
branchflags = QStyle::Style_Default;
// KStyle extension: Draw the vertical branch
drawKStylePrimitive( KPE_ListViewBranch, p, NULL, branchrect, cg, branchflags, opt );
}
}
}
break;
}
default:
QCommonStyle::drawComplexControl( control, p, widget, r, cg,
flags, controls, active, opt );
break;
}
}
QStyle::SubControl KStyle::querySubControl( ComplexControl control,
const QWidget* widget,
const QPoint &pos,
const QStyleOption &opt ) const
{
QStyle::SubControl ret = QCommonStyle::querySubControl(control, widget, pos, opt);
if (d->scrollbarType == ThreeButtonScrollBar) {
// Enable third button
if (control == CC_ScrollBar && ret == SC_None)
ret = SC_ScrollBarSubLine;
}
return ret;
}
QRect KStyle::querySubControlMetrics( ComplexControl control,
const QWidget* widget,
SubControl sc,
const QStyleOption &opt ) const
{
QRect ret;
if (control == CC_ScrollBar)
{
bool threeButtonScrollBar = d->scrollbarType & ThreeButtonScrollBar;
bool platinumScrollBar = d->scrollbarType & PlatinumStyleScrollBar;
bool nextScrollBar = d->scrollbarType & NextStyleScrollBar;
const QScrollBar *sb = (const QScrollBar*)widget;
bool horizontal = sb->orientation() == Qt::Horizontal;
int sliderstart = sb->sliderStart();
int sbextent = pixelMetric(PM_ScrollBarExtent, widget);
int maxlen = (horizontal ? sb->width() : sb->height())
- (sbextent * (threeButtonScrollBar ? 3 : 2));
int sliderlen;
// calculate slider length
if (sb->maxValue() != sb->minValue())
{
uint range = sb->maxValue() - sb->minValue();
sliderlen = (sb->pageStep() * maxlen) / (range + sb->pageStep());
int slidermin = pixelMetric( PM_ScrollBarSliderMin, widget );
if ( sliderlen < slidermin || range > INT_MAX / 2 )
sliderlen = slidermin;
if ( sliderlen > maxlen )
sliderlen = maxlen;
} else
sliderlen = maxlen;
// Subcontrols
switch (sc)
{
case SC_ScrollBarSubLine: {
// top/left button
if (platinumScrollBar) {
if (horizontal)
ret.setRect(sb->width() - 2 * sbextent, 0, sbextent, sbextent);
else
ret.setRect(0, sb->height() - 2 * sbextent, sbextent, sbextent);
} else
ret.setRect(0, 0, sbextent, sbextent);
break;
}
case SC_ScrollBarAddLine: {
// bottom/right button
if (nextScrollBar) {
if (horizontal)
ret.setRect(sbextent, 0, sbextent, sbextent);
else
ret.setRect(0, sbextent, sbextent, sbextent);
} else {
if (horizontal)
ret.setRect(sb->width() - sbextent, 0, sbextent, sbextent);
else
ret.setRect(0, sb->height() - sbextent, sbextent, sbextent);
}
break;
}
case SC_ScrollBarSubPage: {
// between top/left button and slider
if (platinumScrollBar) {
if (horizontal)
ret.setRect(0, 0, sliderstart, sbextent);
else
ret.setRect(0, 0, sbextent, sliderstart);
} else if (nextScrollBar) {
if (horizontal)
ret.setRect(sbextent*2, 0, sliderstart-2*sbextent, sbextent);
else
ret.setRect(0, sbextent*2, sbextent, sliderstart-2*sbextent);
} else {
if (horizontal)
ret.setRect(sbextent, 0, sliderstart - sbextent, sbextent);
else
ret.setRect(0, sbextent, sbextent, sliderstart - sbextent);
}
break;
}
case SC_ScrollBarAddPage: {
// between bottom/right button and slider
int fudge;
if (platinumScrollBar)
fudge = 0;
else if (nextScrollBar)
fudge = 2*sbextent;
else
fudge = sbextent;
if (horizontal)
ret.setRect(sliderstart + sliderlen, 0,
maxlen - sliderstart - sliderlen + fudge, sbextent);
else
ret.setRect(0, sliderstart + sliderlen, sbextent,
maxlen - sliderstart - sliderlen + fudge);
break;
}
case SC_ScrollBarGroove: {
int multi = threeButtonScrollBar ? 3 : 2;
int fudge;
if (platinumScrollBar)
fudge = 0;
else if (nextScrollBar)
fudge = 2*sbextent;
else
fudge = sbextent;
if (horizontal)
ret.setRect(fudge, 0, sb->width() - sbextent * multi, sb->height());
else
ret.setRect(0, fudge, sb->width(), sb->height() - sbextent * multi);
break;
}
case SC_ScrollBarSlider: {
if (horizontal)
ret.setRect(sliderstart, 0, sliderlen, sbextent);
else
ret.setRect(0, sliderstart, sbextent, sliderlen);
break;
}
default:
ret = QCommonStyle::querySubControlMetrics(control, widget, sc, opt);
break;
}
} else
ret = QCommonStyle::querySubControlMetrics(control, widget, sc, opt);
return ret;
}
static const char * const kstyle_close_xpm[] = {
"12 12 2 1",
"# c #000000",
". c None",
"............",
"............",
"..##....##..",
"...##..##...",
"....####....",
".....##.....",
"....####....",
"...##..##...",
"..##....##..",
"............",
"............",
"............"};
static const char * const kstyle_maximize_xpm[]={
"12 12 2 1",
"# c #000000",
". c None",
"............",
"............",
".##########.",
".##########.",
".#........#.",
".#........#.",
".#........#.",
".#........#.",
".#........#.",
".#........#.",
".##########.",
"............"};
static const char * const kstyle_minimize_xpm[] = {
"12 12 2 1",
"# c #000000",
". c None",
"............",
"............",
"............",
"............",
"............",
"............",
"............",
"...######...",
"...######...",
"............",
"............",
"............"};
static const char * const kstyle_normalizeup_xpm[] = {
"12 12 2 1",
"# c #000000",
". c None",
"............",
"...#######..",
"...#######..",
"...#.....#..",
".#######.#..",
".#######.#..",
".#.....#.#..",
".#.....###..",
".#.....#....",
".#.....#....",
".#######....",
"............"};
static const char * const kstyle_shade_xpm[] = {
"12 12 2 1",
"# c #000000",
". c None",
"............",
"............",
"............",
"............",
"............",
".....#......",
"....###.....",
"...#####....",
"..#######...",
"............",
"............",
"............"};
static const char * const kstyle_unshade_xpm[] = {
"12 12 2 1",
"# c #000000",
". c None",
"............",
"............",
"............",
"............",
"..#######...",
"...#####....",
"....###.....",
".....#......",
"............",
"............",
"............",
"............"};
static const char * const dock_window_close_xpm[] = {
"8 8 2 1",
"# c #000000",
". c None",
"##....##",
".##..##.",
"..####..",
"...##...",
"..####..",
".##..##.",
"##....##",
"........"};
// Message box icons, from page 210 of the Windows style guide.
// Hand-drawn to resemble Microsoft's icons, but in the Mac/Netscape
// palette. The "question mark" icon, which Microsoft recommends not
// using but a lot of people still use, is left out.
/* XPM */
static const char * const information_xpm[]={
"32 32 5 1",
". c None",
"c c #000000",
"* c #999999",
"a c #ffffff",
"b c #0000ff",
"...........********.............",
"........***aaaaaaaa***..........",
"......**aaaaaaaaaaaaaa**........",
".....*aaaaaaaaaaaaaaaaaa*.......",
"....*aaaaaaaabbbbaaaaaaaac......",
"...*aaaaaaaabbbbbbaaaaaaaac.....",
"..*aaaaaaaaabbbbbbaaaaaaaaac....",
".*aaaaaaaaaaabbbbaaaaaaaaaaac...",
".*aaaaaaaaaaaaaaaaaaaaaaaaaac*..",
"*aaaaaaaaaaaaaaaaaaaaaaaaaaaac*.",
"*aaaaaaaaaabbbbbbbaaaaaaaaaaac*.",
"*aaaaaaaaaaaabbbbbaaaaaaaaaaac**",
"*aaaaaaaaaaaabbbbbaaaaaaaaaaac**",
"*aaaaaaaaaaaabbbbbaaaaaaaaaaac**",
"*aaaaaaaaaaaabbbbbaaaaaaaaaaac**",
"*aaaaaaaaaaaabbbbbaaaaaaaaaaac**",
".*aaaaaaaaaaabbbbbaaaaaaaaaac***",
".*aaaaaaaaaaabbbbbaaaaaaaaaac***",
"..*aaaaaaaaaabbbbbaaaaaaaaac***.",
"...caaaaaaabbbbbbbbbaaaaaac****.",
"....caaaaaaaaaaaaaaaaaaaac****..",
".....caaaaaaaaaaaaaaaaaac****...",
"......ccaaaaaaaaaaaaaacc****....",
".......*cccaaaaaaaaccc*****.....",
"........***cccaaaac*******......",
"..........****caaac*****........",
".............*caaac**...........",
"...............caac**...........",
"................cac**...........",
".................cc**...........",
"..................***...........",
"...................**..........."};
/* XPM */
static const char* const warning_xpm[]={
"32 32 4 1",
". c None",
"a c #ffff00",
"* c #000000",
"b c #999999",
".............***................",
"............*aaa*...............",
"...........*aaaaa*b.............",
"...........*aaaaa*bb............",
"..........*aaaaaaa*bb...........",
"..........*aaaaaaa*bb...........",
".........*aaaaaaaaa*bb..........",
".........*aaaaaaaaa*bb..........",
"........*aaaaaaaaaaa*bb.........",
"........*aaaa***aaaa*bb.........",
".......*aaaa*****aaaa*bb........",
".......*aaaa*****aaaa*bb........",
"......*aaaaa*****aaaaa*bb.......",
"......*aaaaa*****aaaaa*bb.......",
".....*aaaaaa*****aaaaaa*bb......",
".....*aaaaaa*****aaaaaa*bb......",
"....*aaaaaaaa***aaaaaaaa*bb.....",
"....*aaaaaaaa***aaaaaaaa*bb.....",
"...*aaaaaaaaa***aaaaaaaaa*bb....",
"...*aaaaaaaaaa*aaaaaaaaaa*bb....",
"..*aaaaaaaaaaa*aaaaaaaaaaa*bb...",
"..*aaaaaaaaaaaaaaaaaaaaaaa*bb...",
".*aaaaaaaaaaaa**aaaaaaaaaaa*bb..",
".*aaaaaaaaaaa****aaaaaaaaaa*bb..",
"*aaaaaaaaaaaa****aaaaaaaaaaa*bb.",
"*aaaaaaaaaaaaa**aaaaaaaaaaaa*bb.",
"*aaaaaaaaaaaaaaaaaaaaaaaaaaa*bbb",
"*aaaaaaaaaaaaaaaaaaaaaaaaaaa*bbb",
".*aaaaaaaaaaaaaaaaaaaaaaaaa*bbbb",
"..*************************bbbbb",
"....bbbbbbbbbbbbbbbbbbbbbbbbbbb.",
".....bbbbbbbbbbbbbbbbbbbbbbbbb.."};
/* XPM */
static const char* const critical_xpm[]={
"32 32 4 1",
". c None",
"a c #999999",
"* c #ff0000",
"b c #ffffff",
"...........********.............",
".........************...........",
".......****************.........",
"......******************........",
".....********************a......",
"....**********************a.....",
"...************************a....",
"..*******b**********b*******a...",
"..******bbb********bbb******a...",
".******bbbbb******bbbbb******a..",
".*******bbbbb****bbbbb*******a..",
"*********bbbbb**bbbbb*********a.",
"**********bbbbbbbbbb**********a.",
"***********bbbbbbbb***********aa",
"************bbbbbb************aa",
"************bbbbbb************aa",
"***********bbbbbbbb***********aa",
"**********bbbbbbbbbb**********aa",
"*********bbbbb**bbbbb*********aa",
".*******bbbbb****bbbbb*******aa.",
".******bbbbb******bbbbb******aa.",
"..******bbb********bbb******aaa.",
"..*******b**********b*******aa..",
"...************************aaa..",
"....**********************aaa...",
"....a********************aaa....",
".....a******************aaa.....",
"......a****************aaa......",
".......aa************aaaa.......",
".........aa********aaaaa........",
"...........aaaaaaaaaaa..........",
".............aaaaaaa............"};
QPixmap KStyle::stylePixmap( StylePixmap stylepixmap,
const QWidget* widget,
const QStyleOption& opt) const
{
switch (stylepixmap) {
case SP_TitleBarShadeButton:
return QPixmap(const_cast<const char**>(kstyle_shade_xpm));
case SP_TitleBarUnshadeButton:
return QPixmap(const_cast<const char**>(kstyle_unshade_xpm));
case SP_TitleBarNormalButton:
return QPixmap(const_cast<const char**>(kstyle_normalizeup_xpm));
case SP_TitleBarMinButton:
return QPixmap(const_cast<const char**>(kstyle_minimize_xpm));
case SP_TitleBarMaxButton:
return QPixmap(const_cast<const char**>(kstyle_maximize_xpm));
case SP_TitleBarCloseButton:
return QPixmap(const_cast<const char**>(kstyle_close_xpm));
case SP_DockWindowCloseButton:
return QPixmap(const_cast<const char**>(dock_window_close_xpm ));
case SP_MessageBoxInformation:
return QPixmap(const_cast<const char**>(information_xpm));
case SP_MessageBoxWarning:
return QPixmap(const_cast<const char**>(warning_xpm));
case SP_MessageBoxCritical:
return QPixmap(const_cast<const char**>(critical_xpm));
default:
break;
}
return QCommonStyle::stylePixmap(stylepixmap, widget, opt);
}
int KStyle::styleHint( StyleHint sh, const QWidget* w,
const QStyleOption &opt, QStyleHintReturn* shr) const
{
switch (sh)
{
case SH_EtchDisabledText:
return d->etchDisabledText ? 1 : 0;
case SH_PopupMenu_Scrollable:
return d->scrollablePopupmenus ? 1 : 0;
case SH_MenuBar_AltKeyNavigation:
return d->menuAltKeyNavigation ? 1 : 0;
case SH_PopupMenu_SubMenuPopupDelay:
if ( styleHint( SH_PopupMenu_SloppySubMenus, w ) )
return QMIN( 100, d->popupMenuDelay );
else
return d->popupMenuDelay;
case SH_PopupMenu_SloppySubMenus:
return d->sloppySubMenus;
case SH_ItemView_ChangeHighlightOnFocus:
case SH_Slider_SloppyKeyEvents:
case SH_MainWindow_SpaceBelowMenuBar:
case SH_PopupMenu_AllowActiveAndDisabled:
return 0;
case SH_Slider_SnapToValue:
case SH_PrintDialog_RightAlignButtons:
case SH_FontDialog_SelectAssociatedText:
case SH_MenuBar_MouseTracking:
case SH_PopupMenu_MouseTracking:
case SH_ComboBox_ListMouseTracking:
case SH_ScrollBar_MiddleClickAbsolutePosition:
return 1;
case SH_LineEdit_PasswordCharacter:
{
if (w) {
const QFontMetrics &fm = w->fontMetrics();
if (fm.inFont(QChar(0x25CF))) {
return 0x25CF;
} else if (fm.inFont(QChar(0x2022))) {
return 0x2022;
}
}
return '*';
}
default:
return QCommonStyle::styleHint(sh, w, opt, shr);
}
}
bool KStyle::eventFilter( QObject* object, QEvent* event )
{
if ( d->useFilledFrameWorkaround )
{
// Make the QMenuBar/QToolBar paintEvent() cover a larger area to
// ensure that the filled frame contents are properly painted.
// We essentially modify the paintEvent's rect to include the
// panel border, which also paints the widget's interior.
// This is nasty, but I see no other way to properly repaint
// filled frames in all QMenuBars and QToolBars.
// -- Karol.
QFrame *frame = 0;
if ( event->type() == QEvent::Paint
&& (frame = ::qt_cast<QFrame*>(object)) )
{
if (frame->frameShape() != QFrame::ToolBarPanel && frame->frameShape() != QFrame::MenuBarPanel)
return false;
bool horizontal = true;
QPaintEvent* pe = (QPaintEvent*)event;
QToolBar *toolbar = ::qt_cast< QToolBar *>( frame );
QRect r = pe->rect();
if (toolbar && toolbar->orientation() == Qt::Vertical)
horizontal = false;
if (horizontal) {
if ( r.height() == frame->height() )
return false; // Let QFrame handle the painting now.
// Else, send a new paint event with an updated paint rect.
QPaintEvent dummyPE( QRect( r.x(), 0, r.width(), frame->height()) );
QApplication::sendEvent( frame, &dummyPE );
}
else { // Vertical
if ( r.width() == frame->width() )
return false;
QPaintEvent dummyPE( QRect( 0, r.y(), frame->width(), r.height()) );
QApplication::sendEvent( frame, &dummyPE );
}
// Discard this event as we sent a new paintEvent.
return true;
}
}
return false;
}
// -----------------------------------------------------------------------------
// I N T E R N A L - KStyle menu transparency handler
// -----------------------------------------------------------------------------
TransparencyHandler::TransparencyHandler( KStyle* style,
TransparencyEngine tEngine, float menuOpacity, bool useDropShadow )
: QObject()
{
te = tEngine;
kstyle = style;
opacity = menuOpacity;
dropShadow = useDropShadow;
pix.setOptimization(QPixmap::BestOptim);
}
TransparencyHandler::~TransparencyHandler()
{
}
// This is meant to be ugly but fast.
void TransparencyHandler::rightShadow(QImage& dst)
{
if (dst.depth() != 32)
dst = dst.convertDepth(32);
// blend top-right corner.
int pixels = dst.width() * dst.height();
#ifdef WORDS_BIGENDIAN
register unsigned char* data = dst.bits() + 1; // Skip alpha
#else
register unsigned char* data = dst.bits(); // Skip alpha
#endif
for(register int i = 0; i < 16; i++) {
*data = (unsigned char)((*data)*top_right_corner[i]); data++;
*data = (unsigned char)((*data)*top_right_corner[i]); data++;
*data = (unsigned char)((*data)*top_right_corner[i]); data++;
data++; // skip alpha
}
pixels -= 32; // tint right strip without rounded edges.
register int c = 0;
for(register int i = 0; i < pixels; i++) {
*data = (unsigned char)((*data)*shadow_strip[c]); data++;
*data = (unsigned char)((*data)*shadow_strip[c]); data++;
*data = (unsigned char)((*data)*shadow_strip[c]); data++;
data++; // skip alpha
++c;
c %= 4;
}
// tint bottom edge
for(register int i = 0; i < 16; i++) {
*data = (unsigned char)((*data)*bottom_right_corner[i]); data++;
*data = (unsigned char)((*data)*bottom_right_corner[i]); data++;
*data = (unsigned char)((*data)*bottom_right_corner[i]); data++;
data++; // skip alpha
}
}
void TransparencyHandler::bottomShadow(QImage& dst)
{
if (dst.depth() != 32)
dst = dst.convertDepth(32);
int line = 0;
int width = dst.width() - 4;
double strip_data = shadow_strip[0];
double* corner = const_cast<double*>(bottom_left_corner);
#ifdef WORDS_BIGENDIAN
register unsigned char* data = dst.bits() + 1; // Skip alpha
#else
register unsigned char* data = dst.bits(); // Skip alpha
#endif
for(int y = 0; y < 4; y++)
{
// Bottom-left Corner
for(register int x = 0; x < 4; x++) {
*data = (unsigned char)((*data)*(*corner)); data++;
*data = (unsigned char)((*data)*(*corner)); data++;
*data = (unsigned char)((*data)*(*corner)); data++;
data++; // skip alpha
corner++;
}
// Scanline
for(register int x = 0; x < width; x++) {
*data = (unsigned char)((*data)*strip_data); data++;
*data = (unsigned char)((*data)*strip_data); data++;
*data = (unsigned char)((*data)*strip_data); data++;
data++;
}
strip_data = shadow_strip[++line];
}
}
// Create a shadow of thickness 4.
void TransparencyHandler::createShadowWindows(const QPopupMenu* p)
{
#ifdef Q_WS_X11
int x2 = p->x()+p->width();
int y2 = p->y()+p->height();
QRect shadow1(x2, p->y() + 4, 4, p->height());
QRect shadow2(p->x() + 4, y2, p->width() - 4, 4);
// Create a fake drop-down shadow effect via blended Xwindows
ShadowElements se;
se.w1 = new QWidget(0, 0, WStyle_Customize | WType_Popup | WX11BypassWM );
se.w2 = new QWidget(0, 0, WStyle_Customize | WType_Popup | WX11BypassWM );
se.w1->setGeometry(shadow1);
se.w2->setGeometry(shadow2);
XSelectInput(qt_xdisplay(), se.w1->winId(), StructureNotifyMask );
XSelectInput(qt_xdisplay(), se.w2->winId(), StructureNotifyMask );
// Insert a new ShadowMap entry
shadowMap()[p] = se;
// Some hocus-pocus here to create the drop-shadow.
QPixmap pix_shadow1 = QPixmap::grabWindow(qt_xrootwin(),
shadow1.x(), shadow1.y(), shadow1.width(), shadow1.height());
QPixmap pix_shadow2 = QPixmap::grabWindow(qt_xrootwin(),
shadow2.x(), shadow2.y(), shadow2.width(), shadow2.height());
QImage img;
img = pix_shadow1.convertToImage();
rightShadow(img);
pix_shadow1.convertFromImage(img);
img = pix_shadow2.convertToImage();
bottomShadow(img);
pix_shadow2.convertFromImage(img);
// Set the background pixmaps
se.w1->setErasePixmap(pix_shadow1);
se.w2->setErasePixmap(pix_shadow2);
// Show the 'shadow' just before showing the popup menu window
// Don't use QWidget::show() so we don't confuse QEffects, thus causing broken focus.
XMapWindow(qt_xdisplay(), se.w1->winId());
XMapWindow(qt_xdisplay(), se.w2->winId());
#else
Q_UNUSED( p )
#endif
}
void TransparencyHandler::removeShadowWindows(const QPopupMenu* p)
{
#ifdef Q_WS_X11
ShadowMap::iterator it = shadowMap().find(p);
if (it != shadowMap().end())
{
ShadowElements se = it.data();
XUnmapWindow(qt_xdisplay(), se.w1->winId()); // hide
XUnmapWindow(qt_xdisplay(), se.w2->winId());
XFlush(qt_xdisplay()); // try to hide faster
delete se.w1;
delete se.w2;
shadowMap().erase(it);
}
#else
Q_UNUSED( p )
#endif
}
bool TransparencyHandler::eventFilter( QObject* object, QEvent* event )
{
#if !defined Q_WS_MAC && !defined Q_WS_WIN
// Transparency idea was borrowed from KDE2's "MegaGradient" Style,
// Copyright (C) 2000 Daniel M. Duley <mosfet@kde.org>
// Added 'fake' menu shadows <04-Jul-2002> -- Karol
QPopupMenu* p = (QPopupMenu*)object;
QEvent::Type et = event->type();
if (et == QEvent::Show)
{
// Handle translucency
if (te != Disabled)
{
pix = QPixmap::grabWindow(qt_xrootwin(),
p->x(), p->y(), p->width(), p->height());
switch (te) {
#ifdef HAVE_XRENDER
case XRender:
if (qt_use_xrender) {
XRenderBlendToPixmap(p);
break;
}
// Fall through intended
#else
case XRender:
#endif
case SoftwareBlend:
blendToPixmap(p->colorGroup(), p);
break;
case SoftwareTint:
default:
blendToColor(p->colorGroup().button());
};
p->setErasePixmap(pix);
}
// Handle drop shadow
// * FIXME : !shadowMap().contains(p) is a workaround for leftover
// * shadows after duplicate show events.
// * TODO : determine real cause for duplicate events
// * till 20021005
if (dropShadow && p->width() > 16 && p->height() > 16 && !shadowMap().contains( p ))
createShadowWindows(p);
}
else if (et == QEvent::Hide)
{
// Handle drop shadow
if (dropShadow)
removeShadowWindows(p);
// Handle translucency
if (te != Disabled)
p->setErasePixmap(QPixmap());
}
#endif
return false;
}
// Blends a QImage to a predefined color, with a given opacity.
void TransparencyHandler::blendToColor(const QColor &col)
{
if (opacity < 0.0 || opacity > 1.0)
return;
QImage img = pix.convertToImage();
KImageEffect::blend(col, img, opacity);
pix.convertFromImage(img);
}
void TransparencyHandler::blendToPixmap(const QColorGroup &cg, const QPopupMenu* p)
{
if (opacity < 0.0 || opacity > 1.0)
return;
KPixmap blendPix;
blendPix.resize( pix.width(), pix.height() );
if (blendPix.width() != pix.width() ||
blendPix.height() != pix.height())
return;
// Allow styles to define the blend pixmap - allows for some interesting effects.
kstyle->renderMenuBlendPixmap( blendPix, cg, p );
QImage blendImg = blendPix.convertToImage();
QImage backImg = pix.convertToImage();
KImageEffect::blend(blendImg, backImg, opacity);
pix.convertFromImage(backImg);
}
#ifdef HAVE_XRENDER
// Here we go, use XRender in all its glory.
// NOTE: This is actually a bit slower than the above routines
// on non-accelerated displays. -- Karol.
void TransparencyHandler::XRenderBlendToPixmap(const QPopupMenu* p)
{
KPixmap renderPix;
renderPix.resize( pix.width(), pix.height() );
// Allow styles to define the blend pixmap - allows for some interesting effects.
kstyle->renderMenuBlendPixmap( renderPix, p->colorGroup(), p );
Display* dpy = qt_xdisplay();
Pixmap alphaPixmap;
Picture alphaPicture;
XRenderPictFormat Rpf;
XRenderPictureAttributes Rpa;
XRenderColor clr;
clr.alpha = ((unsigned short)(255*opacity) << 8);
Rpf.type = PictTypeDirect;
Rpf.depth = 8;
Rpf.direct.alphaMask = 0xff;
Rpa.repeat = True; // Tile
XRenderPictFormat* xformat = XRenderFindFormat(dpy,
PictFormatType | PictFormatDepth | PictFormatAlphaMask, &Rpf, 0);
alphaPixmap = XCreatePixmap(dpy, p->handle(), 1, 1, 8);
alphaPicture = XRenderCreatePicture(dpy, alphaPixmap, xformat, CPRepeat, &Rpa);
XRenderFillRectangle(dpy, PictOpSrc, alphaPicture, &clr, 0, 0, 1, 1);
XRenderComposite(dpy, PictOpOver,
renderPix.x11RenderHandle(), alphaPicture, pix.x11RenderHandle(), // src, mask, dst
0, 0, // srcx, srcy
0, 0, // maskx, masky
0, 0, // dstx, dsty
pix.width(), pix.height());
XRenderFreePicture(dpy, alphaPicture);
XFreePixmap(dpy, alphaPixmap);
}
#endif
void KStyle::virtual_hook( int, void* )
{ /*BASE::virtual_hook( id, data );*/ }
// vim: set noet ts=4 sw=4:
// kate: indent-width 4; replace-tabs off; tab-width 4; space-indent off;
#include "kstyle.moc"
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