kwin/clients/system/systemclient.cpp
Daniel M. Duley 35b5af4a87 Fixes for buffering and when there is a bg widget pixmap.
svn path=/trunk/kdebase/kwin/; revision=46034
2000-04-08 23:40:56 +00:00

397 lines
11 KiB
C++

#include "systemclient.h"
#include <qapplication.h>
#include <qcursor.h>
#include <qabstractlayout.h>
#include <qlayout.h>
#include <qtoolbutton.h>
#include <qlabel.h>
#include <qdrawutil.h>
#include <kpixmapeffect.h>
#include <kdrawutil.h>
#include <kapp.h>
#include <qbitmap.h>
#include "../../workspace.h"
#include "../../options.h"
extern "C"
{
Client *allocate(Workspace *ws, WId w)
{
return(new SystemClient(ws, w));
}
}
static unsigned char iconify_bits[] = {
0xff, 0xff, 0x00, 0xff, 0xff, 0x7e, 0x3c, 0x18};
static unsigned char close_bits[] = {
0xc3, 0x66, 0x3c, 0x18, 0x3c, 0x66, 0xc3, 0x00 };
static unsigned char maximize_bits[] = {
0x18, 0x3c, 0x7e, 0xff, 0xff, 0x00, 0xff, 0xff };
static unsigned char minmax_bits[] = {
0x0c, 0x18, 0x33, 0x67, 0xcf, 0x9f, 0x3f, 0x3f};
static unsigned char unsticky_bits[] = {
0x00, 0x18, 0x18, 0x7e, 0x7e, 0x18, 0x18, 0x00};
static unsigned char sticky_bits[] = {
0x00, 0x00, 0x00, 0x7e, 0x7e, 0x00, 0x00, 0x00};
static unsigned char question_bits[] = {
0x3c, 0x66, 0x60, 0x30, 0x18, 0x00, 0x18, 0x18};
static KPixmap *aUpperGradient=0;
static KPixmap *iUpperGradient=0;
static bool pixmaps_created = false;
static void create_pixmaps()
{
if(pixmaps_created)
return;
pixmaps_created = true;
QPainter p;
if(QPixmap::defaultDepth() > 8){
aUpperGradient = new KPixmap;
aUpperGradient->resize(32, 18);
iUpperGradient = new KPixmap;
iUpperGradient->resize(32, 18);
QColor bgColor = kapp->palette().normal().background();
KPixmapEffect::gradient(*aUpperGradient,
options->color(Options::Frame, true).light(130),
bgColor,
KPixmapEffect::VerticalGradient);
KPixmapEffect::gradient(*iUpperGradient,
options->color(Options::Frame, false).light(130),
bgColor,
KPixmapEffect::VerticalGradient);
}
}
SystemButton::SystemButton(QWidget *parent, const char *name,
const unsigned char *bitmap)
: QButton(parent, name)
{
aBackground.resize(14, 14);
iBackground.resize(14, 14);
reset();
resize(14, 14);
if(bitmap)
setBitmap(bitmap);
}
QSize SystemButton::sizeHint() const
{
return(QSize(14, 14));
}
void SystemButton::reset()
{
QPainter p;
QColor hColor(options->color(Options::ButtonBg, true));
QColor lColor(options->color(Options::ButtonBlend, true));
KPixmapEffect::gradient(aBackground, hColor.light(150), lColor.dark(150),
KPixmapEffect::DiagonalGradient);
hColor = (options->color(Options::ButtonBg, false));
lColor = (options->color(Options::ButtonBlend, false));
KPixmapEffect::gradient(iBackground, hColor.light(150), lColor.dark(150),
KPixmapEffect::DiagonalGradient);
KPixmap aInternal;
aInternal.resize(10, 10);
KPixmap iInternal;
iInternal.resize(10, 10);
KPixmapEffect::gradient(iInternal,
options->color(Options::ButtonBlend, true),
options->color(Options::ButtonBg, true),
KPixmapEffect::DiagonalGradient);
KPixmapEffect::gradient(aInternal,
options->color(Options::ButtonBg, false),
options->color(Options::ButtonBlend, false),
KPixmapEffect::DiagonalGradient);
p.begin(&iBackground);
p.drawPixmap(2, 2, iInternal);
p.setPen(options->color(Options::ButtonBg, false).light(120));
p.drawLine(0, 13, 13, 13);
p.drawLine(13, 0, 13, 13);
p.setPen(options->color(Options::ButtonBlend, false).dark(120));
p.drawLine(0, 0, 12, 0);
p.drawLine(0, 0, 0, 12);
p.end();
p.begin(&aBackground);
p.drawPixmap(2, 2, aInternal);
p.setPen(options->colorGroup(Options::ButtonBg, true).mid());
p.drawRect(0, 0, 14, 14);
p.end();
}
void SystemButton::setBitmap(const unsigned char *bitmap)
{
deco = QBitmap(8, 8, bitmap, true);
deco.setMask(deco);
repaint();
}
void SystemButton::drawButton(QPainter *p)
{
if(isDown())
p->drawPixmap(0, 0, aBackground);
else
p->drawPixmap(0, 0, iBackground);
p->setPen(options->color(Options::ButtonFg, isDown()));
p->drawPixmap(isDown() ? 4 : 3, isDown() ? 4 : 3, deco);
}
void SystemClient::slotReset()
{
if(aUpperGradient){
delete aUpperGradient;
delete iUpperGradient;
}
pixmaps_created = false;
create_pixmaps();
titleBuffer.resize(0, 0);
recalcTitleBuffer();
button[0]->reset();
button[1]->reset();
button[2]->reset();
button[3]->reset();
if(button[4])
button[4]->reset();
}
SystemClient::SystemClient( Workspace *ws, WId w, QWidget *parent,
const char *name )
: Client( ws, w, parent, name, WResizeNoErase )
{
create_pixmaps();
connect(options, SIGNAL(resetClients()), this, SLOT(slotReset()));
bool help = providesContextHelp();
QGridLayout* g = new QGridLayout(this, 0, 0, 2);
g->setRowStretch(1, 10);
g->addWidget(windowWrapper(), 1, 1 );
g->addItem( new QSpacerItem( 0, 0, QSizePolicy::Fixed, QSizePolicy::Expanding ) );
g->addColSpacing(0, 2);
g->addColSpacing(2, 2);
g->addRowSpacing(2, 6);
button[0] = new SystemButton(this, "close", close_bits);
button[1] = new SystemButton(this, "sticky");
if(isSticky())
button[1]->setBitmap(unsticky_bits);
else
button[1]->setBitmap(sticky_bits);
button[2] = new SystemButton(this, "iconify", iconify_bits);
button[3] = new SystemButton(this, "maximize", maximize_bits);
if(help){
button[4] = new SystemButton(this, "help", question_bits);
connect( button[4], SIGNAL( clicked() ), this, ( SLOT( contextHelp() ) ) );
}
else
button[4] = NULL;
connect( button[0], SIGNAL( clicked() ), this, ( SLOT( closeWindow() ) ) );
connect( button[1], SIGNAL( clicked() ), this, ( SLOT( toggleSticky() ) ) );
connect( button[2], SIGNAL( clicked() ), this, ( SLOT( iconify() ) ) );
connect( button[3], SIGNAL( clicked() ), this, ( SLOT( maximize() ) ) );
QHBoxLayout* hb = new QHBoxLayout(0);
hb->setResizeMode(QLayout::FreeResize);
g->addLayout( hb, 0, 1 );
hb->addSpacing(3);
hb->addWidget( button[0]);
titlebar = new QSpacerItem(10, 14, QSizePolicy::Expanding,
QSizePolicy::Minimum);
hb->addSpacing(3);
hb->addItem(titlebar);
hb->addSpacing(3);
if(help){
hb->addWidget( button[4]);
hb->addSpacing(1);
}
hb->addWidget( button[1]);
hb->addSpacing(1);
hb->addWidget( button[2]);
hb->addSpacing(1);
hb->addWidget( button[3]);
hb->addSpacing(3);
setBackgroundMode(NoBackground);
recalcTitleBuffer();
}
void SystemClient::resizeEvent( QResizeEvent* )
{
//Client::resizeEvent( e );
recalcTitleBuffer();
doShape();
/*
if ( isVisibleToTLW() && !testWFlags( WNorthWestGravity )) {
QPainter p( this );
QRect t = titlebar->geometry();
t.setTop( 0 );
QRegion r = rect();
r = r.subtract( t );
p.setClipRegion( r );
p.eraseRect( rect() );
}*/
}
void SystemClient::recalcTitleBuffer()
{
if(oldTitle == caption() && width() == titleBuffer.width())
return;
QFontMetrics fm(options->font(true));
titleBuffer.resize(width(), 18);
QPainter p;
p.begin(&titleBuffer);
if(aUpperGradient)
p.drawTiledPixmap(0, 0, width(), 18, *aUpperGradient);
else
p.fillRect(0, 0, width(), 18,
options->colorGroup(Options::Frame, true).
brush(QColorGroup::Button));
QRect t = titlebar->geometry();
t.setTop( 2 );
t.setLeft( t.left() + 4 );
t.setRight( t.right() - 2 );
QRegion r(t.x(), 0, t.width(), 18);
r -= QRect(t.x()+((t.width()-fm.width(caption()))/2)-4,
0, fm.width(caption())+8, 18);
p.setClipRegion(r);
int i, ly;
for(i=0, ly=4; i < 4; ++i, ly+=3){
p.setPen(options->color(Options::Groove, true).light(150));
p.drawLine(0, ly, width()-1, ly);
p.setPen(options->color(Options::Groove, true).dark(120));
p.drawLine(0, ly+1, width()-1, ly+1);
}
p.setClipRect(t);
p.setPen(options->color(Options::GrooveText, true));
p.setFont(options->font(true));
p.drawText(t.x()+((t.width()-fm.width(caption()))/2)-4,
0, fm.width(caption())+8, 18, AlignCenter, caption());
p.setClipping(false);
p.end();
oldTitle = caption();
}
void SystemClient::captionChange( const QString &)
{
recalcTitleBuffer();
repaint( titlebar->geometry(), false );
}
void SystemClient::drawRoundFrame(QPainter &p, int x, int y, int w, int h)
{
kDrawRoundButton(&p, x, y, w, h,
options->colorGroup(Options::Frame, isActive()), false);
}
void SystemClient::paintEvent( QPaintEvent* )
{
QPainter p( this );
QRect t = titlebar->geometry();
QBrush fillBrush(colorGroup().brush(QColorGroup::Background).pixmap() ?
colorGroup().brush(QColorGroup::Background) :
options->colorGroup(Options::Frame, isActive()).
brush(QColorGroup::Button));
p.fillRect(1, 18, width()-2, height()-19, fillBrush);
t.setTop( 2 );
t.setLeft( t.left() + 4 );
t.setRight( t.right() - 2 );
if(isActive())
p.drawPixmap(0, 0, titleBuffer);
else{
if(iUpperGradient)
p.drawTiledPixmap(0, 0, width(), 18, *iUpperGradient);
else
p.fillRect(0, 0, width(), 18, fillBrush);
p.setPen(options->color(Options::GrooveText, isActive()));
p.setFont(options->font(isActive()));
p.drawText(t, AlignCenter, caption() );
}
p.setPen(options->colorGroup(Options::Frame, isActive()).light());
p.drawLine(width()-20, height()-7, width()-10, height()-7);
p.drawLine(width()-20, height()-5, width()-10, height()-5);
p.setPen(options->colorGroup(Options::Frame, isActive()).dark());
p.drawLine(width()-20, height()-6, width()-10, height()-6);
p.drawLine(width()-20, height()-4, width()-10, height()-4);
drawRoundFrame(p, 0, 0, width(), height());
}
#define QCOORDARRLEN(x) sizeof(x)/(sizeof(QCOORD)*2)
void SystemClient::doShape()
{
// using a bunch of QRect lines seems much more efficent than bitmaps or
// point arrays
QRegion mask;
kRoundMaskRegion(mask, 0, 0, width(), height());
setMask(mask);
}
void SystemClient::showEvent(QShowEvent *ev)
{
Client::showEvent(ev);
doShape();
repaint();
}
void SystemClient::windowWrapperShowEvent( QShowEvent* )
{
doShape();
}
void SystemClient::mouseDoubleClickEvent( QMouseEvent * e )
{
if (titlebar->geometry().contains( e->pos() ) )
setShade( !isShade() );
workspace()->requestFocus( this );
}
void SystemClient::stickyChange(bool on)
{
button[1]->setBitmap(on ? unsticky_bits : sticky_bits);
}
void SystemClient::maximizeChange(bool m)
{
button[3]->setBitmap(m ? minmax_bits : maximize_bits);
}
void SystemClient::init()
{
//
}