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kwin/clients/quartz/quartz.cpp
Karol Szwed 857e657e3f Added my new Quartz kwin client with support for toolwindows, and updated 
my win2k client to support toolwindows as well. Enjoy!

svn path=/trunk/kdebase/kwin/; revision=87420
2001-03-17 11:49:51 +00:00

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/*
Gallium-Quartz KWin client
Copyright 2001
Karol Szwed <karlmail@usa.net>
http://gallium.n3.net/
Based upon the Win2K kwin client, which is based on the
KDE default client.
Includes mini titlebars for ToolWindow Support.
*/
#include "quartz.h"
#include <qlayout.h>
#include <qlabel.h>
#include <qdrawutil.h>
#include <qdatetime.h>
#include <kpixmapeffect.h>
#include <kdrawutil.h>
#include <qbitmap.h>
#include "../../workspace.h"
#include "../../options.h"
using namespace KWinInternal;
extern "C"
{
Client *allocate(Workspace *ws, WId w, int)
{
return(new QuartzClient(ws, w));
}
}
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, 0x7e, 0x00,
0x7e, 0x00, 0x00, 0x00, 0x00, 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
// =================================
// We don't make them dynamic, as we want this memory freed upon unloading
// this library from kwin. We get no notice upon being unloaded, so there's
// no way to free dynamic images. If they're not dynamic, the freeing of
// memory is made when the library in unloaded.
static KPixmap btnPix1;
static KPixmap iBtnPix1;
static KPixmap btnDownPix1;
static KPixmap iBtnDownPix1;
static QPixmap defaultMenuPix( kdelogo );
static KPixmap titleBlocks;
static KPixmap ititleBlocks;
static bool pixmaps_created = false;
// This does the colour transition magic. (You say "Oh, is that it?")
// In future, we may make this customisable, so we can have gears, blocks or
// any other eye candy via an alphapainter to perserve custom colour settings.
static void drawBlocks( KPixmap *pi, KPixmap &p, const QColor &c1, const QColor &c2 )
{
QPainter px;
px.begin( pi );
// Draw a background gradient first
KPixmapEffect::gradient(p, c1, c2, KPixmapEffect::HorizontalGradient);
px.fillRect( 2, 1, 3, 3, c1.light(120) );
px.fillRect( 2, 5, 3, 3, c1 );
px.fillRect( 2, 9, 3, 3, c1.light(110) );
px.fillRect( 2, 13, 3, 3, c1 );
px.fillRect( 6, 1, 3, 3, c1.light(110) );
px.fillRect( 6, 5, 3, 3, c2.light(110) );
px.fillRect( 6, 9, 3, 3, c1.light(120) );
px.fillRect( 6, 13, 3, 3, c2.light(130) );
px.fillRect( 10, 5, 3, 3, c1.light(110) );
px.fillRect( 10, 9, 3, 3, c2.light(120) );
px.fillRect( 10, 13, 3, 3, c2.light(150) );
px.fillRect( 14, 1, 3, 3, c1.dark(110) );
px.fillRect( 14, 9, 3, 3, c2.light(120) );
px.fillRect( 14, 13, 3, 3, c1.dark(120) );
px.fillRect( 18, 5, 3, 3, c1.light(110) );
px.fillRect( 18, 13, 3, 3, c1.dark(110) );
px.fillRect( 22, 9, 3, 3, c2.light(120));
px.fillRect( 22, 13, 3, 3, c2.light(110) );
}
// This paints the button pixmaps upon loading the style.
static void create_pixmaps()
{
if(pixmaps_created)
return;
pixmaps_created = true;
// It does not matter that we don't resize thesei for mini-buttons
btnPix1.resize(16, 16);
btnDownPix1.resize(16, 16);
iBtnPix1.resize(16, 16);
iBtnDownPix1.resize(16, 16);
// Fill the buttons with colour
QColorGroup g = options->colorGroup(Options::TitleBlend, true );
QColor c = g.background();
btnPix1.fill(c.rgb());
btnDownPix1.fill(c.rgb());
g = options->colorGroup(Options::TitleBlend, false);
c = g.background();
iBtnPix1.fill(c.rgb());
iBtnDownPix1.fill(c.rgb());
// Obtain titlebar blend colours, and create the block stuff on pixmaps.
QColorGroup g2 = options->colorGroup(Options::TitleBlend, true);
QColor c2 = g2.background();
g = options->colorGroup(Options::TitleBar, true );
c = g.background().light(130);
titleBlocks.resize( 25, 18 );
drawBlocks( &titleBlocks, titleBlocks, c, c2 );
g2 = options->colorGroup(Options::TitleBlend, false);
c2 = g2.background();
g = options->colorGroup(Options::TitleBar, false );
c = g.background().light(130);
ititleBlocks.resize( 25, 18 );
drawBlocks( &ititleBlocks, ititleBlocks, c, c2 );
}
QuartzButton::QuartzButton(Client *parent, const char *name, bool largeButton,
const unsigned char *bitmap)
: QButton(parent, name, WStyle_Customize | WRepaintNoErase |
WResizeNoErase | WStyle_NoBorder )
{
// Eliminate any possible background flicker
setBackgroundMode( QWidget::NoBackground );
client = parent;
large = largeButton;
if ( large )
setFixedSize(16, 16);
else
setFixedSize(10, 10);
if(bitmap)
setBitmap(bitmap);
}
QSize QuartzButton::sizeHint() const
{
if ( large )
return( QSize(16,16) );
else
return( QSize(10,10) );
}
void QuartzButton::reset()
{
repaint(false);
}
void QuartzButton::setBitmap(const unsigned char *bitmap)
{
pix.resize(0, 0);
deco = QBitmap(10, 10, bitmap, true);
deco.setMask(deco);
repaint( false );
}
void QuartzButton::setPixmap( const QPixmap &p )
{
deco.resize(0, 0);
pix = p;
if ( large )
setMask( QRect(0, 0, 16, 16) );
else
setMask( QRect(0, 0, 10, 10) );
repaint( false );
}
void QuartzButton::drawButton(QPainter *p)
{
// Draw a button bg for bitmaps only
if(pix.isNull())
{
if(client->isActive())
{
if(isDown())
p->drawPixmap(0, 0, btnDownPix1);
else
p->drawPixmap(0, 0, btnPix1);
} else
{
if(isDown())
p->drawPixmap(0, 0, iBtnDownPix1);
else
p->drawPixmap(0, 0, iBtnPix1);
}
int xOff = (width()-10)/2;
int yOff = (height()-10)/2;
p->setPen( Qt::black );
p->drawPixmap(isDown() ? xOff+2: xOff+1, isDown() ? yOff+2 : yOff+1, deco);
p->setPen( options->color(Options::ButtonBg, client->isActive()).light(150) );
p->drawPixmap(isDown() ? xOff+1: xOff, isDown() ? yOff+1 : yOff, deco);
}
else
{
// This is the menu button, which has a pixmap.
p->fillRect(0, 0, width(), height(),
options->color(Options::TitleBar, client->isActive()).light(130) );
// Shrink the miniIcon for tiny titlebars.
if ( !large )
{
QPixmap tmpPix;
// Smooth scale the image
tmpPix.convertFromImage( pix.convertToImage().smoothScale(10, 10));
p->drawPixmap( 0, 0, tmpPix );
}
else
p->drawPixmap( 0, 0, pix );
}
}
QuartzClient::QuartzClient( Workspace *ws, WId w, QWidget *parent,
const char *name )
: Client( ws, w, parent, name, WResizeNoErase | WNorthWestGravity | WRepaintNoErase )
{
setBackgroundMode( QWidget::NoBackground );
// Finally, toolWindows look small
if ( isTool() )
{
titleHeight = 12;
largeButtons = false;
}
else
{
titleHeight = 18;
largeButtons = true;
}
lastButtonWidth = 0;
// Create the button and titlebar pixmaps
create_pixmaps();
// Pack the windowWrapper() window within a grid
QGridLayout* g = new QGridLayout(this, 0, 0, 0);
g->setResizeMode(QLayout::FreeResize);
g->addRowSpacing(0, 3); // Top grab bar
g->addWidget(windowWrapper(), 3, 1);
g->setRowStretch(3, 10); // Wrapped window
g->addRowSpacing(2, 1); // line under titlebar
g->addRowSpacing(4, 4); // bottom handles
g->addColSpacing(0, 4);
g->addColSpacing(2, 4);
// Create the required buttons
button[BtnMenu] = new QuartzButton(this, "menu", largeButtons, NULL);
button[BtnClose] = new QuartzButton(this, "close", largeButtons, close_bits);
button[BtnIconify] = new QuartzButton(this, "iconify", largeButtons, iconify_bits);
button[BtnMax] = new QuartzButton(this, "maximize", largeButtons, maximize_bits);
// Connect required stuff together
connect( button[BtnMenu], SIGNAL( pressed() ), this, SLOT( menuButtonPressed() ));
connect( button[BtnClose], SIGNAL( clicked() ), this, SLOT( closeWindow() ));
connect( button[BtnIconify], SIGNAL( clicked() ), this, SLOT( iconify() ));
connect( button[BtnMax], SIGNAL( clicked() ), this, SLOT( slotMaximize() ));
connect( options, SIGNAL(resetClients()), this, SLOT( slotReset() ));
// Pack the titlebar HBox with items
hb = new QHBoxLayout();
hb->setResizeMode( QLayout::FreeResize );
g->addLayout ( hb, 1, 1 );
hb->addWidget( button[BtnMenu] );
titlebar = new QSpacerItem( 10, titleHeight, QSizePolicy::Expanding,
QSizePolicy::Minimum );
hb->addItem(titlebar);
hb->addSpacing(2);
// Add a help button if required
if( providesContextHelp() )
{
button[BtnHelp] = new QuartzButton(this, "help", largeButtons, question_bits);
connect( button[BtnHelp], SIGNAL( clicked() ), this, SLOT( contextHelp() ));
hb->addWidget( button[BtnHelp] );
} else
button[BtnHelp] = NULL;
hb->addWidget( button[BtnIconify] );
hb->addWidget( button[BtnMax] );
hb->addWidget( button[BtnClose] );
hb->addSpacing(2);
// Hide buttons which are not required
// We can un-hide them if required later
if ( !isMinimizable() )
button[BtnIconify]->hide();
if ( !isMaximizable() )
button[BtnMax]->hide();
hiddenItems = false;
// Make sure that the menu button uses the correct mini-icon
iconChange();
}
void QuartzClient::slotReset()
{
pixmaps_created = false;
create_pixmaps();
// ( 4 buttons - Help, Max, Iconify, Close )
for(int i = QuartzClient::BtnHelp; i <= QuartzClient::BtnClose; i++)
if(button[i])
button[i]->reset();
// iconChange() resets the menu button so we don't have to do this here.
repaint( false );
}
void QuartzClient::iconChange()
{
if(!miniIcon().isNull())
button[BtnMenu]->setPixmap(miniIcon());
else
button[BtnMenu]->setPixmap(defaultMenuPix);
if (button[BtnMenu]->isVisible())
button[BtnMenu]->repaint(false);
}
void QuartzClient::slotMaximize()
{
if ( button[BtnMax]->last_button == MidButton )
maximize( MaximizeVertical );
else if ( button[BtnMax]->last_button == RightButton )
maximize( MaximizeHorizontal );
else
maximize();
}
void QuartzClient::resizeEvent( QResizeEvent* e)
{
Client::resizeEvent( e );
calcHiddenButtons();
if (isVisibleToTLW())
{
update(rect());
int dx = 0;
int dy = 0;
if ( e->oldSize().width() != width() )
dx = 32 + QABS( e->oldSize().width() - width() );
if ( e->oldSize().height() != height() )
dy = 8 + QABS( e->oldSize().height() - height() );
if ( dy )
update( 0, height() - dy + 1, width(), dy );
if ( dx )
{
update( width() - dx + 1, 0, dx, height() );
update( QRect( QPoint(4,4), titlebar->geometry().bottomLeft() - QPoint(1,0) ) );
update( QRect( titlebar->geometry().topRight(), QPoint( width() - 4, titlebar->geometry().bottom() ) ) );
// Titlebar needs no paint event
QApplication::postEvent( this, new QPaintEvent( titlebar->geometry(), FALSE ) );
}
}
}
void QuartzClient::captionChange( const QString& )
{
repaint( titlebar->geometry(), false );
}
// Quartz Paint magic goes here.
void QuartzClient::paintEvent( QPaintEvent* )
{
QPainter p(this);
// Obtain widget bounds.
QRect r(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 title color
QColorGroup g = options->colorGroup(Options::TitleBar, isActive());
// Draw outer highlights and lowlights
p.setPen( g.light().light(120) );
p.drawLine( x, y, x2-1, y );
p.drawLine( x, y+1, x, y2-1 );
p.setPen( g.dark().light(120) );
p.drawLine( x2, y, x2, y2 );
p.drawLine( x, y2, x2, y2 );
// Fill out the border edges
p.setPen( g.background().light(130) );
p.drawRect( x+1, y+1, w-2, h-2 );
p.drawRect( x+2, y+2, w-4, h-4 );
// Draw a frame around the wrapped widget.
p.setPen( g.background() );
p.drawRect( x+3, y + titleHeight + 3, w-6, h-titleHeight-6 );
// Highlight top corner
p.setPen( g.light().light(160) );
p.drawPoint( x, y );
p.setPen( g.light().light(140) );
p.drawPoint( x+1, y );
p.drawPoint( x, y+1 );
// Draw the title bar.
// ===================
r = titlebar->geometry();
QFontMetrics fm(options->font(true));
// Obtain titlebar blend colours
QColor c1 = options->color(Options::TitleBar, isActive() ).light(130);
QColor c2 = options->color(Options::TitleBlend, isActive() );
// Create a disposable pixmap buffer for the titlebar
KPixmap* titleBuffer = new KPixmap;
titleBuffer->resize( w-6, titleHeight );
QPainter p2( titleBuffer, this );
p2.fillRect( 0, 0, r.width(), r.height(), c1 );
p2.fillRect( r.width(), 0, w-r.width()-6, r.height(), c2 );
// 8 bit displays will be a bit dithered, but they still look ok.
if ( isActive() )
p2.drawPixmap( r.width()-10, 0, titleBlocks );
else
p2.drawPixmap( r.width()-10, 0, ititleBlocks );
// Draw the title text on the pixmap, and with a smaller font
// for toolwindows than the default.
QFont fnt = options->font(true);
if ( !largeButtons )
{
fnt.setPointSize( fnt.pointSize() - 2 ); // Shrink font by 2pt
fnt.setWeight( QFont::Normal ); // and disable bold
}
p2.setFont( fnt );
p2.setPen( options->color(Options::Font, isActive() ));
p2.drawText(r.x(), 0, r.width()-3, r.height()-1,
AlignLeft | AlignVCenter, caption() );
p2.end();
p.drawPixmap( 3, 3, *titleBuffer );
delete titleBuffer;
}
void QuartzClient::showEvent(QShowEvent *ev)
{
calcHiddenButtons();
show();
Client::showEvent(ev);
}
void QuartzClient::mouseDoubleClickEvent( QMouseEvent * e )
{
if (titlebar->geometry().contains( e->pos() ) )
workspace()->performWindowOperation( this, options->operationTitlebarDblClick() );
workspace()->requestFocus( this );
}
void QuartzClient::maximizeChange(bool m)
{
button[BtnMax]->setBitmap(m ? minmax_bits : maximize_bits);
}
void QuartzClient::activeChange(bool)
{
if(!miniIcon().isNull())
button[BtnMenu]->setPixmap(miniIcon());
else
button[BtnMenu]->setPixmap(kdelogo);
for(int i=QuartzClient::BtnHelp; i < QuartzClient::BtnMenu; i++)
{
if(button[i])
button[i]->reset();
}
repaint(false);
}
// The hiding button while shrinking, show button while expanding magic
void QuartzClient::calcHiddenButtons()
{
// order of hiding is help, maximize, minimize, close, then menu;
int minWidth = 32 + 16*4 + (providesContextHelp() ? 16*2 : 16 );
if(lastButtonWidth > width()) // Shrinking
{
lastButtonWidth = width();
if(width() < minWidth)
{
hiddenItems = true;
for(int i = QuartzClient::BtnHelp; i <= QuartzClient::BtnMenu; i++)
if(button[i])
{
if( !button[i]->isHidden() )
button[i]->hide();
minWidth -= button[i]->sizeHint().width();
if(width() >= minWidth)
return;
}
}
} else
if(hiddenItems) // Expanding
{
lastButtonWidth = width();
int totalSize = 16*3;
for(int i = QuartzClient::BtnMenu; i >= QuartzClient::BtnHelp; i--)
if(button[i])
{
if(button[i]->sizeHint().width() + totalSize <= width())
{
totalSize += button[i]->sizeHint().width();
button[i]->resize(button[i]->sizeHint());
button[i]->show();
}
else return;
}
// all items shown now
hiddenItems = false;
}
else
lastButtonWidth = width();
}
// Make sure the menu button follows double click conventions set in kcontrol
void QuartzClient::menuButtonPressed()
{
static QTime* t = 0;
static QuartzClient* tc = 0;
if ( !t )
t = new QTime;
if ( tc != this || t->elapsed() > QApplication::doubleClickInterval() )
{
QPoint menupoint ( button[BtnMenu]->rect().bottomLeft().x()-1,
button[BtnMenu]->rect().bottomLeft().y()+2 );
workspace()->clientPopup(this)->popup(button[BtnMenu]->mapToGlobal( menupoint ));
}
else closeWindow();
t->start();
tc = this;
}
#include "quartz.moc"
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