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tdebase/kwin/clients/laptop/laptopclient.cpp

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/*
* Laptop KWin Decoration
*
* Copyright (c) 2005 Sandro Giessl <sandro@giessl.com>
* Port of this decoration to KDE 3.2, accessibility enhancement are
* Copyright (c) 2003 Luciano Montanaro <mikelima@cirulla.net>
*/
#include <kconfig.h> // up here to avoid X11 header conflict :P
#include "laptopclient.h"
#include <qdrawutil.h>
#include <kpixmapeffect.h>
#include <kdrawutil.h>
#include <kglobal.h>
#include <klocale.h>
#include <qbitmap.h>
namespace Laptop {
static const unsigned char iconify_bits[] = {
0xff, 0xff, 0x00, 0xff, 0xff, 0x7e, 0x3c, 0x18};
static const unsigned char close_bits[] = {
0x42, 0xe7, 0x7e, 0x3c, 0x3c, 0x7e, 0xe7, 0x42};
static const unsigned char maximize_bits[] = {
0x18, 0x3c, 0x7e, 0xff, 0xff, 0x00, 0xff, 0xff };
static const unsigned char r_minmax_bits[] = {
0x0c, 0x18, 0x33, 0x67, 0xcf, 0x9f, 0x3f, 0x3f};
static const unsigned char l_minmax_bits[] = {
0x30, 0x18, 0xcc, 0xe6, 0xf3, 0xf9, 0xfc, 0xfc};
static const unsigned char question_bits[] = {
0x3c, 0x66, 0x60, 0x30, 0x18, 0x00, 0x18, 0x18};
static const unsigned char unsticky_bits[] = {
0x3c, 0x42, 0x99, 0xbd, 0xbd, 0x99, 0x42, 0x3c};
static const unsigned char sticky_bits[] = {
0x3c, 0x42, 0x81, 0x81, 0x81, 0x81, 0x42, 0x3c};
static QPixmap *titlePix;
static KPixmap *aUpperGradient;
static KPixmap *iUpperGradient;
// buttons active, inactive, up, down, and 2 sizes :P
static KPixmap *btnPix1;
static KPixmap *iBtnPix1;
static KPixmap *btnDownPix1;
static KPixmap *iBtnDownPix1;
static KPixmap *btnPix2;
static KPixmap *btnDownPix2;
static KPixmap *iBtnPix2;
static KPixmap *iBtnDownPix2;
static QColor btnForeground;
static int titleHeight = 14;
static int btnWidth1 = 17;
static int btnWidth2 = 27;
static int handleSize = 8; // the resize handle size in pixels
static bool pixmaps_created = false;
// =====================================
extern "C" KDE_EXPORT KDecorationFactory* create_factory()
{
return new Laptop::LaptopClientFactory();
}
// =====================================
static inline const KDecorationOptions* options()
{
return KDecoration::options();
}
static void drawButtonFrame(KPixmap *pix, const QColorGroup &g, bool sunken)
{
QPainter p;
int w = pix->width();
int h = pix->height();
int x2 = w-1;
int y2 = h-1;
p.begin(pix);
if(sunken){
qDrawShadePanel(&p, 0, 0, w, h, g, true, 2);
}
else{
p.setPen(g.dark());
p.drawRect(0, 0, w-1, h-1);
p.setPen(g.light());
p.drawLine(x2, 0, x2, y2);
p.drawLine(0, y2, x2, y2);
p.drawLine(1, 1, x2-2, 1);
p.drawLine(1, 1, 1, y2-2);
p.end();
}
}
static void create_pixmaps()
{
if(pixmaps_created)
return;
pixmaps_created = true;
titleHeight = QFontMetrics(options()->font(true)).height() + 2;
if (titleHeight < handleSize) titleHeight = handleSize;
titleHeight &= ~1; // Make title height even
if (titleHeight < 14) titleHeight = 14;
btnWidth1 = titleHeight + 3;
btnWidth2 = 3*titleHeight/2 + 6;
// titlebar
QPainter p;
QPainter maskPainter;
int i, x, y;
titlePix = new QPixmap(33, 12);
QBitmap mask(33, 12);
mask.fill(Qt::color0);
p.begin(titlePix);
maskPainter.begin(&mask);
maskPainter.setPen(Qt::color1);
for(i=0, y=2; i < 3; ++i, y+=4){
for(x=1; x <= 33; x+=3){
p.setPen(options()->color(KDecoration::ColorTitleBar, true).light(150));
p.drawPoint(x, y);
maskPainter.drawPoint(x, y);
p.setPen(options()->color(KDecoration::ColorTitleBar, true).dark(150));
p.drawPoint(x+1, y+1);
maskPainter.drawPoint(x+1, y+1);
}
}
p.end();
maskPainter.end();
titlePix->setMask(mask);
if(QPixmap::defaultDepth() > 8){
aUpperGradient = new KPixmap;
aUpperGradient->resize(32, titleHeight+2);
iUpperGradient = new KPixmap;
iUpperGradient->resize(32, titleHeight+2);
QColor bgColor = options()->color(KDecoration::ColorTitleBar, true);
KPixmapEffect::gradient(*aUpperGradient,
bgColor.light(120),
bgColor.dark(120),
KPixmapEffect::VerticalGradient);
bgColor = options()->color(KDecoration::ColorTitleBar, false);
KPixmapEffect::gradient(*iUpperGradient,
bgColor.light(120),
bgColor.dark(120),
KPixmapEffect::VerticalGradient);
}
// buttons (active/inactive, sunken/unsunken, 2 sizes each)
QColorGroup g = options()->colorGroup(KDecoration::ColorButtonBg, true);
QColor c = g.background();
btnPix1 = new KPixmap;
btnPix1->resize(btnWidth1, titleHeight);
btnDownPix1 = new KPixmap;
btnDownPix1->resize(btnWidth1, titleHeight);
btnPix2 = new KPixmap;
btnPix2->resize(btnWidth2, titleHeight);
btnDownPix2 = new KPixmap;
btnDownPix2->resize(btnWidth2, titleHeight);
iBtnPix1 = new KPixmap;
iBtnPix1->resize(btnWidth1, titleHeight);
iBtnDownPix1 = new KPixmap;
iBtnDownPix1->resize(btnWidth1, titleHeight);
iBtnPix2 = new KPixmap;
iBtnPix2->resize(btnWidth2, titleHeight);
iBtnDownPix2 = new KPixmap;
iBtnDownPix2->resize(btnWidth2, titleHeight);
if(QPixmap::defaultDepth() > 8){
KPixmapEffect::gradient(*btnPix1, c.light(120), c.dark(130),
KPixmapEffect::DiagonalGradient);
KPixmapEffect::gradient(*btnDownPix1, c.dark(130), c.light(120),
KPixmapEffect::DiagonalGradient);
KPixmapEffect::gradient(*btnPix2, c.light(120), c.dark(130),
KPixmapEffect::DiagonalGradient);
KPixmapEffect::gradient(*btnDownPix2, c.dark(130), c.light(120),
KPixmapEffect::DiagonalGradient);
g = options()->colorGroup(KDecoration::ColorButtonBg, false);
c = g.background();
KPixmapEffect::gradient(*iBtnPix1, c.light(120), c.dark(130),
KPixmapEffect::DiagonalGradient);
KPixmapEffect::gradient(*iBtnDownPix1, c.dark(130), c.light(120),
KPixmapEffect::DiagonalGradient);
KPixmapEffect::gradient(*iBtnPix2, c.light(120), c.dark(130),
KPixmapEffect::DiagonalGradient);
KPixmapEffect::gradient(*iBtnDownPix2, c.dark(130), c.light(120),
KPixmapEffect::DiagonalGradient);
}
else{
btnPix1->fill(c.rgb());
btnDownPix1->fill(c.rgb());
btnPix2->fill(c.rgb());
btnDownPix2->fill(c.rgb());
g = options()->colorGroup(KDecoration::ColorButtonBg, false);
c = g.background();
iBtnPix1->fill(c.rgb());
iBtnDownPix1->fill(c.rgb());
iBtnPix2->fill(c.rgb());
iBtnDownPix2->fill(c.rgb());
}
g = options()->colorGroup(KDecoration::ColorButtonBg, true);
c = g.background();
drawButtonFrame(btnPix1, g, false);
drawButtonFrame(btnDownPix1, g, true);
drawButtonFrame(btnPix2, g, false);
drawButtonFrame(btnDownPix2, g, true);
g = options()->colorGroup(KDecoration::ColorButtonBg, false);
c = g.background();
drawButtonFrame(iBtnPix1, g, false);
drawButtonFrame(iBtnDownPix1, g, true);
drawButtonFrame(iBtnPix2, g, false);
drawButtonFrame(iBtnDownPix2, g, true);
if(qGray(options()->color(KDecoration::ColorButtonBg, true).rgb()) > 128)
btnForeground = Qt::black;
else
btnForeground = Qt::white;
}
static void delete_pixmaps()
{
delete titlePix;
if(aUpperGradient){
delete aUpperGradient;
delete iUpperGradient;
delete btnPix1;
delete btnDownPix1;
delete iBtnPix1;
delete iBtnDownPix1;
delete btnPix2;
delete btnDownPix2;
delete iBtnPix2;
delete iBtnDownPix2;
}
pixmaps_created = false;
}
// =====================================
LaptopButton::LaptopButton(ButtonType type, LaptopClient *parent, const char *name)
: KCommonDecorationButton(type, parent, name)
{
setBackgroundMode(QWidget::NoBackground);
}
void LaptopButton::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:
if (isOn() ) {
setBitmap(isLeft() ? l_minmax_bits : r_minmax_bits);
} else {
setBitmap(maximize_bits);
}
break;
case OnAllDesktopsButton:
setBitmap( isOn() ? unsticky_bits : sticky_bits );
break;
default:
setBitmap(0);
break;
}
this->update();
}
}
void LaptopButton::setBitmap(const unsigned char *bitmap)
{
if (bitmap)
deco = QBitmap(8, 8, bitmap, true);
else {
deco = QBitmap(8,8);
deco.fill(Qt::color0);
}
deco.setMask(deco);
repaint();
}
void LaptopButton::drawButton(QPainter *p)
{
bool smallBtn = width() == btnWidth1;
if(btnPix1){
if(decoration()->isActive()){
if(isDown())
p->drawPixmap(0, 0, smallBtn ? *btnDownPix1 : *btnDownPix2);
else
p->drawPixmap(0, 0, smallBtn ? *btnPix1 : *btnPix2);
}
else{
if(isDown())
p->drawPixmap(0, 0, smallBtn ? *iBtnDownPix1 : *iBtnDownPix2);
else
p->drawPixmap(0, 0, smallBtn ? *iBtnPix1 : *iBtnPix2);
}
}
else{
QColorGroup g = options()->colorGroup(KDecoration::ColorButtonBg, decoration()->isActive());
int w = width();
int h = height();
p->fillRect(1, 1, w-2, h-2, isDown() ? g.mid() : g.button());
p->setPen(isDown() ? g.dark() : g.light());
p->drawLine(0, 0, w-1, 0);
p->drawLine(0, 0, 0, w-1);
p->setPen(isDown() ? g.light() : g.dark());
p->drawLine(w-1, 0, w-1, h-1);
p->drawLine(0, h-1, w-1, h-1);
}
p->setPen(btnForeground);
int xOff = (width()-8)/2;
int yOff = (height()-8)/2;
p->drawPixmap(isDown() ? xOff+1: xOff, isDown() ? yOff+1 : yOff, deco);
}
// =====================================
void LaptopClient::reset(unsigned long changed)
{
KCommonDecoration::reset(changed);
}
LaptopClient::LaptopClient(KDecorationBridge *b, KDecorationFactory *f)
: KCommonDecoration(b, f)
{
}
LaptopClient::~LaptopClient()
{
}
QString LaptopClient::visibleName() const
{
return i18n("Laptop");
}
QString LaptopClient::defaultButtonsLeft() const
{
return "X";
}
QString LaptopClient::defaultButtonsRight() const
{
return "HSIA";
}
bool LaptopClient::decorationBehaviour(DecorationBehaviour behaviour) const
{
switch (behaviour) {
case DB_MenuClose:
return false;
case DB_WindowMask:
return true;
case DB_ButtonHide:
return true;
default:
return KCommonDecoration::decorationBehaviour(behaviour);
}
}
int LaptopClient::layoutMetric(LayoutMetric lm, bool respectWindowState, const KCommonDecorationButton *btn) const
{
switch (lm) {
case LM_TitleEdgeLeft:
case LM_TitleEdgeRight:
case LM_BorderLeft:
case LM_BorderRight:
return 4;
case LM_BorderBottom:
return mustDrawHandle() ? handleSize : 4;
case LM_TitleEdgeTop:
return 3;
case LM_TitleEdgeBottom:
return 1;
case LM_TitleBorderLeft:
case LM_TitleBorderRight:
return 0;
case LM_ButtonWidth:
{
if (btn && (btn->type()==HelpButton||btn->type()==OnAllDesktopsButton) ) {
return btnWidth1;
} else {
return btnWidth2;
}
}
case LM_ButtonHeight:
case LM_TitleHeight:
if (isToolWindow() )
return titleHeight-2;
else
return titleHeight;
case LM_ButtonSpacing:
return 0;
case LM_ExplicitButtonSpacer:
return 0;
default:
return KCommonDecoration::layoutMetric(lm, respectWindowState, btn);
}
}
KCommonDecorationButton *LaptopClient::createButton(ButtonType type)
{
switch (type) {
case OnAllDesktopsButton:
return new LaptopButton(OnAllDesktopsButton, this, "on_all_desktops");
case HelpButton:
return new LaptopButton(HelpButton, this, "help");
case MinButton:
return new LaptopButton(MinButton, this, "minimize");
case MaxButton:
return new LaptopButton(MaxButton, this, "maximize");
case CloseButton:
return new LaptopButton(CloseButton, this, "close");
default:
return 0;
}
}
void LaptopClient::init()
{
bufferDirty = true;
KCommonDecoration::init();
}
void LaptopClient::captionChange()
{
bufferDirty = true;
KCommonDecoration::captionChange();
}
void LaptopClient::paintEvent( QPaintEvent* )
{
QPainter p(widget());
QColorGroup g = options()->colorGroup(KDecoration::ColorFrame, isActive());
QRect r(widget()->rect());
p.setPen(Qt::black);
p.drawRect(r);
// fill mid frame...
p.setPen(g.background() );
p.drawLine(r.x()+2, r.y()+2, r.right()-2, r.y()+2);
p.drawLine(r.left()+2, r.y()+3, r.left()+2, r.bottom()-layoutMetric(LM_BorderBottom)+1 );
p.drawLine(r.right()-2, r.y()+3, r.right()-2, r.bottom()-layoutMetric(LM_BorderBottom)+1 );
p.drawLine(r.left()+3, r.y()+3, r.left()+3, r.y()+layoutMetric(LM_TitleEdgeTop)+layoutMetric(LM_TitleHeight)+layoutMetric(LM_TitleEdgeTop) );
p.drawLine(r.right()-3, r.y()+3, r.right()-3, r.y()+layoutMetric(LM_TitleEdgeTop)+layoutMetric(LM_TitleHeight)+layoutMetric(LM_TitleEdgeTop) );
if (!mustDrawHandle() )
p.drawLine(r.left()+1, r.bottom()-2, r.right()-1, r.bottom()-2);
// outer frame
p.setPen(g.light());
p.drawLine(r.x()+1, r.y()+1, r.right()-1, r.y()+1);
p.drawLine(r.x()+1, r.y()+1, r.x()+1, r.bottom()-1);
p.setPen(g.dark());
p.drawLine(r.right()-1, r.y()+1, r.right()-1, r.bottom()-1);
p.drawLine(r.x()+1, r.bottom()-1, r.right()-1, r.bottom()-1);
int th = titleHeight;
int bb = handleSize + 2; // Bottom border
int bs = handleSize - 2; // inner size of bottom border
if (!mustDrawHandle()) {
bb = 6;
bs = 0;
}
if ( isToolWindow() )
th -= 2;
// inner rect
p.drawRect(r.x() + 3, r.y() + th + 3, r.width() - 6, r.height() - th - bb);
// handles
if (mustDrawHandle()) {
if (r.width() > 3*handleSize + 20) {
int range = 8 + 3*handleSize/2;
qDrawShadePanel(&p, r.x() + 1, r.bottom() - bs, range,
handleSize - 2, g, false, 1, &g.brush(QColorGroup::Mid));
qDrawShadePanel(&p, r.x() + range + 1, r.bottom() - bs,
r.width() - 2*range - 2, handleSize - 2, g, false, 1,
isActive() ? &g.brush(QColorGroup::Background) :
&g.brush(QColorGroup::Mid));
qDrawShadePanel(&p, r.right() - range, r.bottom() - bs,
range, bs, g, false, 1, &g.brush(QColorGroup::Mid));
} else {
qDrawShadePanel(&p, r.x() + 1, r.bottom() - bs,
r.width() - 2, bs, g, false, 1,
isActive() ? &g.brush(QColorGroup::Background) :
&g.brush(QColorGroup::Mid));
}
}
r = titleRect();
if(isActive()){
updateActiveBuffer();
p.drawPixmap(r.x(), r.y(), activeBuffer);
p.setPen(g.background());
p.drawPoint(r.x(), r.y());
p.drawPoint(r.right(), r.y());
p.drawLine(r.right()+1, r.y(), r.right()+1, r.bottom());
}
else{
if(iUpperGradient)
p.drawTiledPixmap(r.x(), r.y(), r.width(), r.height()-1,
*iUpperGradient);
else
p.fillRect(r.x(), r.y(), r.width(), r.height()-1,
options()->color(KDecoration::ColorTitleBar, false));
p.setFont(options()->font(false, isToolWindow() ));
QFontMetrics fm(options()->font(false));
g = options()->colorGroup(KDecoration::ColorTitleBar, false);
if(iUpperGradient)
p.drawTiledPixmap(r.x()+((r.width()-fm.width(caption()))/2)-4,
r.y(), fm.width(caption())+8, r.height()-1,
*iUpperGradient);
else
p.fillRect(r.x()+((r.width()-fm.width(caption()))/2)-4, r.y(),
fm.width(caption())+8, r.height()-1,
g.brush(QColorGroup::Background));
p.setPen(g.mid());
p.drawLine(r.x(), r.y(), r.right(), r.y());
p.drawLine(r.x(), r.y(), r.x(), r.bottom());
p.setPen(g.button());
p.drawLine(r.right(), r.y(), r.right(), r.bottom());
p.drawLine(r.x(), r.bottom(), r.right(), r.bottom());
p.setPen(options()->color(KDecoration::ColorFont, false));
p.drawText(r.x(), r.y(), r.width(), r.height()-1,
AlignCenter, caption() );
g = options()->colorGroup(KDecoration::ColorFrame, true);
p.setPen(g.background());
p.drawPoint(r.x(), r.y());
p.drawPoint(r.right(), r.y());
p.drawLine(r.right()+1, r.y(), r.right()+1, r.bottom());
}
}
QRegion LaptopClient::cornerShape(WindowCorner corner)
{
switch (corner) {
case WC_TopLeft:
return QRect(0, 0, 1, 1);
case WC_TopRight:
return QRect(width()-1, 0, 1, 1);
case WC_BottomLeft:
return QRect(0, height()-1, 1, 1);
case WC_BottomRight:
return QRect(width()-1, height()-1, 1, 1);
default:
return QRegion();
}
}
bool LaptopClient::mustDrawHandle() const
{
bool drawSmallBorders = !options()->moveResizeMaximizedWindows();
if (drawSmallBorders && (maximizeMode() & MaximizeVertical)) {
return false;
} else {
return isResizable();
}
}
void LaptopClient::updateActiveBuffer( )
{
QRect rTitle = titleRect();
if( !bufferDirty && (lastBufferWidth == rTitle.width()))
return;
if ( rTitle.width() <= 0 || rTitle.height() <= 0 )
return;
lastBufferWidth = rTitle.width();
bufferDirty = false;
activeBuffer.resize(rTitle.width(),
rTitle.height());
QPainter p;
QRect r(0, 0, activeBuffer.width(), activeBuffer.height());
p.begin(&activeBuffer);
if(aUpperGradient){
p.drawTiledPixmap(r, *aUpperGradient);
}
else{
p.fillRect(r, options()->color(KDecoration::ColorTitleBar, true));
}
if(titlePix)
p.drawTiledPixmap(r, *titlePix);
p.setFont(options()->font(true, isToolWindow() ));
QFontMetrics fm(options()->font(true));
QColorGroup g = options()->colorGroup(KDecoration::ColorTitleBar, true);
if(aUpperGradient)
p.drawTiledPixmap(r.x()+((r.width()-fm.width(caption()))/2)-4,
r.y(), fm.width(caption())+8, r.height()-1,
*aUpperGradient);
else
p.fillRect(r.x()+((r.width()-fm.width(caption()))/2)-4, 0,
fm.width(caption())+8, r.height(),
g.brush(QColorGroup::Background));
p.setPen(g.mid());
p.drawLine(r.x(), r.y(), r.right(), r.y());
p.drawLine(r.x(), r.y(), r.x(), r.bottom());
p.setPen(g.button());
p.drawLine(r.right(), r.y(), r.right(), r.bottom());
p.drawLine(r.x(), r.bottom(), r.right(), r.bottom());
p.setPen(options()->color(KDecoration::ColorFont, true));
p.drawText(r.x(), r.y(), r.width(), r.height()-1,
AlignCenter, caption() );
g = options()->colorGroup(KDecoration::ColorFrame, true);
p.setPen(g.background());
p.drawPoint(r.x(), r.y());
p.drawPoint(r.right(), r.y());
p.drawLine(r.right()+1, r.y(), r.right()+1, r.bottom());
p.end();
}
static const int SUPPORTED_WINDOW_TYPES_MASK = NET::NormalMask |
NET::DesktopMask | NET::DockMask | NET::ToolbarMask | NET::MenuMask |
NET::DialogMask | /*NET::OverrideMask |*/ NET::TopMenuMask |
NET::UtilityMask | NET::SplashMask;
bool LaptopClient::isTransient() const
{
NET::WindowType type = windowType(SUPPORTED_WINDOW_TYPES_MASK);
return type == NET::Dialog;
}
// =====================================
LaptopClientFactory::LaptopClientFactory()
{
create_pixmaps();
}
LaptopClientFactory::~LaptopClientFactory()
{
delete_pixmaps();
}
KDecoration *LaptopClientFactory::createDecoration(KDecorationBridge *b)
{
findPreferredHandleSize();
return new Laptop::LaptopClient(b, this);
}
bool LaptopClientFactory::reset(unsigned long changed)
{
findPreferredHandleSize();
// TODO Do not recreate decorations if it is not needed. Look at
// ModernSystem for how to do that
Laptop::delete_pixmaps();
Laptop::create_pixmaps();
bool needHardReset = true;
if (changed & SettingButtons) {
// handled by KCommonDecoration
needHardReset = false;
}
if (needHardReset) {
return true;
} else {
resetDecorations(changed);
return false;
}
}
bool LaptopClientFactory::supports( Ability ability )
{
switch( ability )
{
case AbilityAnnounceButtons:
case AbilityButtonOnAllDesktops:
case AbilityButtonHelp:
case AbilityButtonMinimize:
case AbilityButtonMaximize:
case AbilityButtonClose:
return true;
default:
return false;
};
}
QValueList< LaptopClientFactory::BorderSize >
LaptopClientFactory::borderSizes() const
{
// the list must be sorted
return QValueList< BorderSize >() << BorderNormal << BorderLarge <<
BorderVeryLarge << BorderHuge << BorderVeryHuge << BorderOversized;
}
void LaptopClientFactory::findPreferredHandleSize()
{
switch (options()->preferredBorderSize(this)) {
case KDecoration::BorderLarge:
handleSize = 11;
break;
case KDecoration::BorderVeryLarge:
handleSize = 16;
break;
case KDecoration::BorderHuge:
handleSize = 24;
break;
case KDecoration::BorderVeryHuge:
handleSize = 32;
break;
case KDecoration::BorderOversized:
handleSize = 40;
break;
case KDecoration::BorderTiny:
case KDecoration::BorderNormal:
default:
handleSize = 8;
}
}
} // Laptop namespace
// vim: sw=4