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kwin/clients/redmond/redmond.cpp
Sandro Giessl b63d495fb9 Port to KCommonDecoration and add custom button position support. 
svn path=/trunk/kdebase/kwin/; revision=400660
2005-03-25 23:31:21 +00:00

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/*
*
* Redmond KWin client
*
* Copyright 2001
* Karol Szwed <gallium@kde.org>
* http://gallium.n3.net/
*
* Based on the default KWin client.
*
* Updated to support toolwindows 3/2001 (KS)
*
*/
#include "redmond.h"
#include <qdrawutil.h>
#include <qdatetime.h>
#include <kpixmapeffect.h>
#include <kimageeffect.h>
#include <kdrawutil.h>
#include <klocale.h>
#include <qbitmap.h>
#include <qimage.h>
#include <qapplication.h>
namespace Redmond {
static const char *kdelogo[] = {
/* columns rows colors chars-per-pixel */
"16 16 8 1",
" c None",
". c #000000",
"+ c #A0A0A4",
"@ c #FFFFFF",
"# c #585858",
"$ c #C0C0C0",
"% c #808080",
"& c #DCDCDC",
" ",
" .. .. ",
" .+@. .@#. ",
" .@@@. .@@@# ",
" .@@@..$@@$. ",
" .@@@.@@@$. ",
" .@@@%@@$. ",
" .@@@&@@. ",
" .@@@@@@. ",
" .@@@$@@&. ",
" .@@@.@@@. ",
" .@@@.+@@@. ",
" .@@@..$@@&. ",
" .@@%. .@@@. ",
" .... ... ",
" "};
static unsigned char iconify_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x7e, 0x00, 0x7e, 0x00, 0x00, 0x00};
static unsigned char close_bits[] = {
0x00, 0x00, 0x86, 0x01, 0xcc, 0x00, 0x78, 0x00, 0x30, 0x00, 0x78, 0x00,
0xcc, 0x00, 0x86, 0x01, 0x00, 0x00, 0x00, 0x00};
static unsigned char maximize_bits[] = {
0xff, 0x01, 0xff, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0xff, 0x01, 0x00, 0x00};
static unsigned char minmax_bits[] = {
0xfc, 0x00, 0xfc, 0x00, 0x84, 0x00, 0xbf, 0x00, 0xbf, 0x00, 0xe1, 0x00,
0x21, 0x00, 0x21, 0x00, 0x3f, 0x00, 0x00, 0x00};
static unsigned char question_bits[] = {
0x00, 0x00, 0x3c, 0x00, 0x66, 0x00, 0x60, 0x00, 0x30, 0x00, 0x18, 0x00,
0x00, 0x00, 0x18, 0x00, 0x18, 0x00, 0x00, 0x00};
// Up / Down titlebar button images
static KPixmap *btnPix1;
static KPixmap *iBtnPix1;
static KPixmap *btnDownPix1;
static KPixmap *iBtnDownPix1;
static KPixmap *miniBtnPix1;
static KPixmap *iMiniBtnPix1;
static KPixmap *miniBtnDownPix1;
static KPixmap *iMiniBtnDownPix1;
static QPixmap *defaultMenuPix;
static QColor *btnForeground;
static bool pixmaps_created = false;
static int toolTitleHeight;
static int normalTitleHeight;
static int borderWidth;
static inline const KDecorationOptions *options()
{
return KDecoration::options();
}
static void drawButtonFrame( KPixmap *pix, const QColorGroup &g, bool sunken )
{
QPainter p;
int x2 = pix->width() - 1;
int y2 = pix->height() - 1;
p.begin(pix);
// titlebar button frame
p.setPen( sunken ? g.dark().dark(155) : g.light());
p.drawLine(0, 0, x2-1, 0);
p.drawLine(0, 0, 0, y2-1);
if (sunken)
{
p.setPen( g.mid().dark(135) );
p.drawLine(1, 1, x2-2, 1);
p.drawLine(1, 1, 1, y2-2);
}
p.setPen( sunken ? g.light() : g.mid().dark(135));
p.drawLine(1, y2-1, x2-1, y2-1);
p.drawLine(x2-1, 1, x2-1, y2-1);
p.setPen( sunken ? g.light() : g.dark().dark(155));
p.drawLine(0, y2, x2, y2);
p.drawLine(x2, 0, x2, y2);
}
static void create_pixmaps ()
{
if (pixmaps_created)
return;
pixmaps_created = true;
bool highcolor = QPixmap::defaultDepth() > 8;
btnPix1 = new KPixmap;
btnDownPix1 = new KPixmap;
iBtnPix1 = new KPixmap;
iBtnDownPix1 = new KPixmap;
miniBtnPix1 = new KPixmap;
miniBtnDownPix1 = new KPixmap;
iMiniBtnPix1 = new KPixmap;
iMiniBtnDownPix1 = new KPixmap;
defaultMenuPix = new QPixmap(kdelogo);
// buttons (active/inactive, sunken/unsunken)
QColorGroup g = options()->colorGroup(KDecoration::ColorButtonBg, true);
QColor c = g.background();
btnPix1->resize(normalTitleHeight, normalTitleHeight-2);
btnDownPix1->resize(normalTitleHeight, normalTitleHeight-2);
iBtnPix1->resize(normalTitleHeight, normalTitleHeight-2);
iBtnDownPix1->resize(normalTitleHeight, normalTitleHeight-2);
miniBtnPix1->resize(toolTitleHeight, toolTitleHeight);
miniBtnDownPix1->resize(toolTitleHeight, toolTitleHeight);
iMiniBtnPix1->resize(toolTitleHeight, toolTitleHeight);
iMiniBtnDownPix1->resize(toolTitleHeight, toolTitleHeight);
if (highcolor && false) {
KPixmapEffect::gradient(*btnPix1, c.light(130), c.dark(130),
KPixmapEffect::VerticalGradient);
KPixmapEffect::gradient(*btnDownPix1, c.dark(130), c.light(130),
KPixmapEffect::VerticalGradient);
KPixmapEffect::gradient(*miniBtnPix1, c.light(130), c.dark(130),
KPixmapEffect::VerticalGradient);
KPixmapEffect::gradient(*miniBtnDownPix1, c.dark(130), c.light(130),
KPixmapEffect::VerticalGradient);
g = options()->colorGroup(KDecoration::ColorButtonBg, false);
c = g.background();
KPixmapEffect::gradient(*iBtnPix1, c.light(130), c.dark(130),
KPixmapEffect::VerticalGradient);
KPixmapEffect::gradient(*iBtnDownPix1, c.dark(130), c.light(130),
KPixmapEffect::VerticalGradient);
KPixmapEffect::gradient(*iMiniBtnPix1, c.light(130), c.dark(130),
KPixmapEffect::VerticalGradient);
KPixmapEffect::gradient(*iMiniBtnDownPix1, c.dark(130), c.light(130),
KPixmapEffect::VerticalGradient);
} else {
btnPix1->fill(c.rgb());
btnDownPix1->fill(c.rgb());
miniBtnPix1->fill(c.rgb());
miniBtnDownPix1->fill(c.rgb());
g = options()->colorGroup(KDecoration::ColorButtonBg, false);
c = g.background();
iBtnPix1->fill(c.rgb());
iBtnDownPix1->fill(c.rgb());
iMiniBtnPix1->fill(c.rgb());
iMiniBtnDownPix1->fill(c.rgb());
}
g = options()->colorGroup(KDecoration::ColorButtonBg, true);
drawButtonFrame(btnPix1, g, false);
drawButtonFrame(btnDownPix1, g, true);
drawButtonFrame(miniBtnPix1, g, false);
drawButtonFrame(miniBtnDownPix1, g, true);
g = options()->colorGroup(KDecoration::ColorButtonBg, false);
drawButtonFrame(iBtnPix1, g, false);
drawButtonFrame(iBtnDownPix1, g, true);
drawButtonFrame(iMiniBtnPix1, g, false);
drawButtonFrame(iMiniBtnDownPix1, g, true);
// Make sure button pixmaps contrast with the current colour scheme.
if (qGray(options()->color(KDecoration::ColorButtonBg, true).rgb()) > 127)
btnForeground = new QColor(Qt::black);
else
btnForeground = new QColor(Qt::white);
}
void delete_pixmaps()
{
delete btnPix1;
delete btnDownPix1;
delete iBtnPix1;
delete iBtnDownPix1;
delete miniBtnPix1;
delete miniBtnDownPix1;
delete iMiniBtnPix1;
delete iMiniBtnDownPix1;
delete defaultMenuPix;
delete btnForeground;
pixmaps_created = false;
}
RedmondButton::RedmondButton(ButtonType type, RedmondDeco *parent, const char *name)
: KCommonDecorationButton(type, parent, name)
{
// Eliminate background flicker
setBackgroundMode( NoBackground );
miniBtn = decoration()->isToolWindow();
}
void RedmondButton::reset(unsigned long changed)
{
if (changed&DecorationReset || changed&ManualReset || changed&SizeChange || changed&StateChange) {
switch (type() ) {
case CloseButton:
setBitmap(close_bits);
break;
case HelpButton:
setBitmap(question_bits);
break;
case MinButton:
setBitmap(iconify_bits);
break;
case MaxButton:
setBitmap( isOn() ? minmax_bits : maximize_bits );
break;
case MenuButton:
{
QPixmap miniIcon = decoration()->icon().pixmap(QIconSet::Small, QIconSet::Normal);
if (!miniIcon.isNull()) {
setPixmap(miniIcon);
} else {
setPixmap(*defaultMenuPix);
}
break;
}
default:
setBitmap(0);
break;
}
this->update();
}
}
void RedmondButton::setBitmap(const unsigned char *bitmap)
{
pix.resize(0, 0);
if (bitmap)
deco = QBitmap(10, 10, bitmap, true);
else {
deco = QBitmap(10,10);
deco.fill(Qt::color0);
}
deco.setMask(deco);
}
void RedmondButton::setPixmap( const QPixmap &p )
{
deco.resize(0, 0);
pix = p;
repaint(false);
}
void RedmondButton::drawButton(QPainter *p)
{
if ( pix.isNull() ) {
if ( decoration()->isActive() ) {
if ( isDown() )
p->drawPixmap(0, 0, miniBtn ? *miniBtnDownPix1 : *btnDownPix1);
else
p->drawPixmap(0, 0, miniBtn ? *miniBtnPix1 : *btnPix1);
} else {
if ( isDown() )
p->drawPixmap(0, 0, miniBtn ? *iMiniBtnDownPix1 : *iBtnDownPix1);
else
p->drawPixmap(0, 0, miniBtn ? *iMiniBtnPix1 : *iBtnPix1);
}
p->setPen( *btnForeground );
int xOff = (width()-10)/2;
int yOff = (height()-10)/2;
p->drawPixmap(isDown() ? xOff+1: xOff, isDown() ? yOff+1 : yOff, deco);
} else {
if (isLeft() ) {
p->fillRect(0, 0, width(), height(),
options()->color(KDecoration::ColorTitleBar, decoration()->isActive()));
} else {
p->fillRect(0, 0, width(), height(),
options()->color(KDecoration::ColorTitleBlend, decoration()->isActive()));
}
if ( type()==MenuButton && height() < 16) {
QPixmap tmpPix;
// Smooth scale the menu button pixmap
tmpPix.convertFromImage(
pix.convertToImage().smoothScale(height(), height() ));
p->drawPixmap( 0, 0, tmpPix );
} else {
int xOff = (width() -pix.width() )/2;
int yOff = (height()-pix.height())/2;
p->drawPixmap(xOff, yOff, pix );
}
}
}
RedmondDeco::RedmondDeco(KDecorationBridge *b, KDecorationFactory *f)
: KCommonDecoration(b, f)
{
}
QString RedmondDeco::visibleName() const
{
return i18n("Redmond");
}
QString RedmondDeco::defaultButtonsLeft() const
{
return "M";
}
QString RedmondDeco::defaultButtonsRight() const
{
return "HIA_X";
}
bool RedmondDeco::decorationBehaviour(DecorationBehaviour behaviour) const
{
switch (behaviour) {
case DB_MenuClose:
return true;
case DB_WindowMask:
return false;
case DB_ButtonHide:
return true;
default:
return KCommonDecoration::decorationBehaviour(behaviour);
}
}
int RedmondDeco::layoutMetric(LayoutMetric lm, bool respectWindowState, const KCommonDecorationButton *btn) const
{
bool maximized = maximizeMode()==MaximizeFull && !options()->moveResizeMaximizedWindows();
switch (lm) {
case LM_BorderLeft:
case LM_BorderRight:
case LM_BorderBottom:
return borderWidth;
case LM_TitleEdgeLeft:
case LM_TitleEdgeRight:
return borderWidth+2;
case LM_TitleEdgeTop:
return borderWidth+2;
case LM_TitleEdgeBottom:
return 1;
case LM_TitleBorderLeft:
case LM_TitleBorderRight:
return 1;
case LM_TitleHeight:
return titleHeight-2;
case LM_ButtonWidth:
return titleHeight-2;
case LM_ButtonHeight:
if (isToolWindow() || (btn && btn->type()==MenuButton) ) {
return titleHeight-2;
} else {
return titleHeight-2-2;
}
case LM_ButtonSpacing:
return 0;
case LM_ExplicitButtonSpacer:
return 2;
default:
return 0;
}
}
KCommonDecorationButton *RedmondDeco::createButton(ButtonType type)
{
switch (type) {
case MenuButton:
return new RedmondButton(MenuButton, this, "menu");
case HelpButton:
return new RedmondButton(HelpButton, this, "help");
case MinButton:
return new RedmondButton(MinButton, this, "minimize");
case MaxButton:
return new RedmondButton(MaxButton, this, "maximize");
case CloseButton:
return new RedmondButton(CloseButton, this, "close");
default:
return 0;
}
}
void RedmondDeco::init()
{
// Finally, toolwindows look small
if ( isToolWindow() ) {
titleHeight = toolTitleHeight+2;
} else {
titleHeight = normalTitleHeight+2;
}
KCommonDecoration::init();
}
void RedmondDeco::reset( unsigned long changed )
{
KCommonDecoration::reset(changed);
}
void RedmondDeco::paintEvent( QPaintEvent* )
{
bool hicolor = QPixmap::defaultDepth() > 8;
int fontoffset = 1;
QPainter p(widget());
// Obtain widget bounds.
QRect r(widget()->rect());
int x = r.x();
int y = r.y();
int x2 = r.width()-1;
int y2 = r.height()-1;
int w = r.width();
int h = r.height();
// Draw part of the frame that is the frame color
// ==============================================
QColorGroup g = options()->colorGroup(KDecoration::ColorFrame, isActive());
p.setPen( g.background() );
p.drawLine( x, y, x2-1, y );
p.drawLine( x, y, x, y2-1 );
// Draw line under title bar
p.drawLine( x+borderWidth, y+titleHeight+borderWidth, x2-borderWidth, y+titleHeight+borderWidth );
// Draw a hidden line that appears during shading
p.drawLine( x+borderWidth, y2-borderWidth, x2-borderWidth, y2-borderWidth );
// Fill out the border edges
for (int i = 1; i < borderWidth; i++)
p.drawRect( x+i, y+i, w-2*i, h-2*i );
// Draw highlights and lowlights
p.setPen(g.light());
for (int i = 1; i <= borderWidth/3; i++) {
p.drawLine( x+i, y+i, x2-i-1, y+i);
p.drawLine( x+i, y+i, x+i, y2-i-1);
}
p.setPen(g.mid().dark(135));
for (int i = 1; i <= borderWidth/3; i++) {
p.drawLine( x2-i, y+i+1, x2-i, y2-i);
p.drawLine( x+i+1, y2-i, x2-i, y2-i);
}
// Draw black edges
p.setPen( g.dark().dark(155) );
p.drawLine(x2, y, x2, y2);
p.drawLine(x, y2, x2, y2);
// Draw the title bar.
// ===================
r = titleRect();
// QFontMetrics fm(options()->font(true));
// Obtain blend colours.
QColor c1 = options()->color(KDecoration::ColorTitleBar, isActive() );
QColor c2 = options()->color(KDecoration::ColorTitleBlend, isActive() );
QFont fnt = options()->font(true, isToolWindow() );
if (isToolWindow() ) {
fnt.setWeight( QFont::Normal );
fontoffset = 0;
}
// Paint without a buffer if the colours are the same to
// improve performance, and only draw gradients on hicolor displays.
if ((c1 != c2) && hicolor) {
// KS - Add gradient caching if needed at a later stage.
// Create a disposable pixmap buffer for the title blend
KPixmap* titleBuffer = new KPixmap;
titleBuffer->resize(w-2*borderWidth, titleHeight);
if (titleBuffer->depth() > 16) {
KPixmapEffect::gradient(*titleBuffer, c1, c2,
KPixmapEffect::HorizontalGradient);
} else {
// This enables dithering on 15 and 16bit displays, preventing
// some pretty horrible banding effects
QImage image = KImageEffect::gradient(titleBuffer->size(), c1, c2,
KImageEffect::HorizontalGradient);
titleBuffer->convertFromImage(image, Qt::OrderedDither);
}
QPainter p2( titleBuffer, this );
// Since drawing the gradient is (relatively) slow, it is best
// to draw the title text on the pixmap.
p2.setFont( fnt );
p2.setPen( options()->color(KDecoration::ColorFont, isActive() ));
p2.drawText( r.x(), fontoffset, r.width()-3, r.height()-1,
AlignLeft | AlignVCenter, caption() );
p2.end();
p.drawPixmap( borderWidth, borderWidth, *titleBuffer );
delete titleBuffer;
} else {
// Assume lower ended hardware, so don't use buffers.
// Don't draw a gradient either.
p.fillRect( borderWidth, borderWidth, w-2*borderWidth, titleHeight, c1 );
// Draw the title text.
p.setFont( fnt );
p.setPen(options()->color(KDecoration::ColorFont, isActive() ));
p.drawText(r.x()+4, r.y()+fontoffset-2, r.width()-3, r.height()-1,
AlignLeft | AlignVCenter, caption() );
}
}
void RedmondDecoFactory::readConfig() {
normalTitleHeight = QFontMetrics(options()->font(true)).height();
QFont toolFont = options()->font(true, true);
toolFont.setWeight(QFont::Normal);
toolTitleHeight = QFontMetrics(toolFont).height();
switch(options()->preferredBorderSize(this)) {
case BorderLarge:
borderWidth = 8;
if (normalTitleHeight < 20) normalTitleHeight = 20;
if (toolTitleHeight < 20) toolTitleHeight = 20;
break;
case BorderVeryLarge:
borderWidth = 12;
if (normalTitleHeight < 24) normalTitleHeight = 24;
if (toolTitleHeight < 24) toolTitleHeight = 24;
break;
case BorderHuge:
borderWidth = 18;
if (normalTitleHeight < 28) normalTitleHeight = 28;
if (toolTitleHeight < 28) toolTitleHeight = 28;
break;
case BorderVeryHuge:
borderWidth = 27;
if (normalTitleHeight < 33) normalTitleHeight = 33;
if (toolTitleHeight < 33) toolTitleHeight = 33;
break;
case BorderOversized:
borderWidth = 40;
if (normalTitleHeight < 40) normalTitleHeight = 40;
if (toolTitleHeight < 40) toolTitleHeight = 40;
break;
case BorderTiny:
case BorderNormal:
default:
borderWidth = 4;
if (normalTitleHeight < 16) normalTitleHeight = 16;
if (toolTitleHeight < 16) toolTitleHeight = 16;
}
}
RedmondDecoFactory::RedmondDecoFactory()
{
readConfig();
create_pixmaps();
}
RedmondDecoFactory::~RedmondDecoFactory()
{
Redmond::delete_pixmaps();
}
KDecoration *RedmondDecoFactory::createDecoration( KDecorationBridge *b )
{
return new RedmondDeco(b, this);
}
bool RedmondDecoFactory::reset( unsigned long changed )
{
// SettingButtons is handled by KCommonDecoration
if ( changed & ( SettingFont | SettingBorder | SettingColors | SettingButtons ) ) {
delete_pixmaps();
readConfig();
create_pixmaps();
resetDecorations(changed);
return true;
} else {
resetDecorations(changed);
return false;
}
}
bool RedmondDecoFactory::supports( Ability ability )
{
switch( ability )
{
case AbilityAnnounceButtons:
case AbilityButtonMenu:
case AbilityButtonHelp:
case AbilityButtonMinimize:
case AbilityButtonMaximize:
case AbilityButtonClose:
case AbilityButtonSpacer:
return true;
default:
return false;
}
}
QValueList< RedmondDecoFactory::BorderSize > RedmondDecoFactory::borderSizes() const
{ // the list must be sorted
return QValueList< BorderSize >() << BorderNormal << BorderLarge <<
BorderVeryLarge << BorderHuge << BorderVeryHuge << BorderOversized;
}
}
extern "C" KDE_EXPORT KDecorationFactory *create_factory()
{
return new Redmond::RedmondDecoFactory();
}
#include "redmond.moc"
// vim: ts=4
// kate: space-indent off; tab-width 4;
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