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kwin/systemclient.cpp
Daniel M. Duley 5331cf5d13 Use the methods Matthias already provided in StdClient for the context help 
button. Didn't know they were there until I was making screenshots, tried the
standard client, and saw the question mark ;-)

svn path=/trunk/kdebase/kwin/; revision=36230
1999-12-10 01:45:35 +00:00

399 lines
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#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 <qbitmap.h>
#include "workspace.h"
#include "options.h"
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 QPixmap *titlePix=0;
static KPixmap *aFramePix=0;
static KPixmap *iFramePix=0;
static KPixmap *aHandlePix=0;
static KPixmap *iHandlePix=0;
static bool pixmaps_created = false;
static void create_pixmaps()
{
if(pixmaps_created)
return;
pixmaps_created = true;
// titlebar
QPainter p;
QPainter maskPainter;
int i, y;
titlePix = new QPixmap(32, 14);
QBitmap mask(32, 14);
mask.fill(Qt::color0);
p.begin(titlePix);
maskPainter.begin(&mask);
maskPainter.setPen(Qt::color1);
for(i=0, y=2; i < 4; ++i, y+=3){
p.setPen(options->color(Options::TitleBar, true).light(150));
p.drawLine(0, y, 31, y);
maskPainter.drawLine(0, y, 31, y);
p.setPen(options->color(Options::TitleBar, true).dark(120));
p.drawLine(0, y+1, 31, y+1);
maskPainter.drawLine(0, y+1, 31, y+1);
}
p.end();
maskPainter.end();
titlePix->setMask(mask);
// Bottom frame gradient
aFramePix = new KPixmap();
aFramePix->resize(32, 6);
KPixmapEffect::gradient(*aFramePix,
options->color(Options::Frame, true).light(150),
options->color(Options::Frame, true).dark(120),
KPixmapEffect::VerticalGradient);
iFramePix = new KPixmap();
iFramePix->resize(32, 6);
KPixmapEffect::gradient(*iFramePix,
options->color(Options::Frame, false).light(150),
options->color(Options::Frame, false).dark(120),
KPixmapEffect::VerticalGradient);
// Handle gradient
aHandlePix = new KPixmap();
aHandlePix->resize(32, 6);
KPixmapEffect::gradient(*aHandlePix,
options->color(Options::Handle, true).light(150),
options->color(Options::Handle, true).dark(120),
KPixmapEffect::VerticalGradient);
iHandlePix = new KPixmap();
iHandlePix->resize(32, 6);
KPixmapEffect::gradient(*iHandlePix,
options->color(Options::Handle, false).light(150),
options->color(Options::Handle, false).dark(120),
KPixmapEffect::VerticalGradient);
}
SystemButton::SystemButton(QWidget *parent, const char *name,
const unsigned char *bitmap)
: QButton(parent, name)
{
QPainter p;
aBackground.resize(14, 14);
iBackground.resize(14, 14);
QColor hColor(options->color(Options::ButtonBg, true));
QColor lColor(options->color(Options::ButtonBlend, true));
// only do this if we can dim/brighten equally
if(hColor.red() < 226 && hColor.green() < 226 && hColor.blue() < 226)
hColor.setRgb(hColor.red()+30, hColor.green()+30, hColor.blue()+30);
if(lColor.red() > 29 && lColor.green() > 29 && lColor.blue() > 29)
lColor.setRgb(lColor.red()-30, lColor.green()-30, lColor.blue()-30);
KPixmapEffect::gradient(iBackground, hColor, lColor,
KPixmapEffect::DiagonalGradient);
hColor = options->color(Options::ButtonBlend, false);
lColor = options->color(Options::ButtonBg, false);
if(hColor.red() > 29 && hColor.green() > 29 && hColor.blue() > 29)
hColor.setRgb(hColor.red()-30, hColor.green()-30, hColor.blue()-30);
if(lColor.red() < 226 && lColor.green() < 226 && lColor.blue() < 226)
lColor.setRgb(lColor.red()+30, lColor.green()+30, lColor.blue()+30);
KPixmapEffect::gradient(aBackground, hColor, lColor,
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));
p.drawLine(0, 13, 13, 13);
p.drawLine(13, 0, 13, 13);
p.setPen(options->color(Options::ButtonBlend, false));
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->color(Options::ButtonFg, true));
p.drawRect(0, 0, 14, 14);
p.end();
resize(14, 14);
if(bitmap)
setBitmap(bitmap);
}
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);
}
SystemClient::SystemClient( Workspace *ws, WId w, QWidget *parent,
const char *name )
: Client( ws, w, parent, name, WResizeNoErase )
{
create_pixmaps();
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() ) ) );
}
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();
g->addLayout( hb, 0, 1 );
hb->addSpacing(2);
hb->addWidget( button[0] );
titlebar = new QSpacerItem(10, 16, QSizePolicy::Expanding,
QSizePolicy::Minimum);
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);
for ( int i = 0; i < (help ? 5 : 4); i++) {
button[i]->setMouseTracking( TRUE );
button[i]->setFixedSize( 14, 14 );
}
}
void SystemClient::resizeEvent( QResizeEvent* e)
{
Client::resizeEvent( e );
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::captionChange( const QString& )
{
repaint( titlebar->geometry(), false );
}
void SystemClient::drawRoundFrame(QPainter &p, int x, int y, int w, int h)
{
int x2=x+w-1, y2=y+h-1;
QPointArray hPntArray, lPntArray;
hPntArray.putPoints(0, 12, x+4,y+1, x+5,y+1, // top left
x+3,y+2, x+2,y+3, x+1,y+4, x+1,y+5,
x+1,y2-5, x+1,y2-4, x+2,y2-3, // half corners
x2-5,y+1, x2-4,y+1, x2-3,y+2);
lPntArray.putPoints(0, 17, x2-5,y2-1, x2-4,y2-1, // btm right
x2-3,y2-2, x2-2,y2-3, x2-1,y2-5, x2-1,y2-4,
x+3,y2-2, x+4,y2-1, x+5,y2-1, //half corners
x2-2,y+3, x2-1,y+4, x2-1,y+5,
x2-5,y2-2, x2-4,y2-2, // testing
x2-3,y2-3,
x2-2,y2-5, x2-2,y2-4);
p.setPen(options->colorGroup(Options::Frame, isActive()).light());
p.drawLine(x+6, y, x2-6, y);
p.drawLine(0, y+6, 0, y2-6);
p.drawPoints(hPntArray);
p.setPen(options->colorGroup(Options::Frame, isActive()).dark());
p.drawLine(x+6, y2, x2-6, y2);
p.drawLine(x+6, y2-1, x2-6, y2-1);
p.drawLine(x2, y+6, x2, y2-6);
p.drawLine(x2-1, y+6, x2-1, y2-6);
p.drawPoints(lPntArray);
}
void SystemClient::paintEvent( QPaintEvent* )
{
QPainter p( this );
QRect t = titlebar->geometry();
t.setTop( 1 );
QBrush fillBrush(colorGroup().brush(QColorGroup::Background).pixmap() ?
colorGroup().brush(QColorGroup::Background) :
options->colorGroup(Options::Frame, isActive()).
brush(QColorGroup::Button));
p.fillRect(rect(), fillBrush);
drawRoundFrame(p, 0, 0, width(), height());
t.setTop( 2 );
if(isActive())
p.drawTiledPixmap(t, *titlePix);
QRegion r = rect();
r = r.subtract( t );
p.setClipRegion( r );
p.setClipping( FALSE );
t.setTop( 2 );
t.setLeft( t.left() + 4 );
t.setRight( t.right() - 2 );
p.setPen(options->color(Options::Font, isActive()));
p.setFont(options->font(isActive()));
if(isActive()){
QFontMetrics fm(options->font(true));
p.fillRect(t.x()+((t.width()-fm.width(caption()))/2)-4, t.y(),
fm.width(caption())+8, t.height(), fillBrush);
}
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);
}
#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(QRect(6, 0, width()-12, height()));
mask += QRegion(QRect(5, 1, 1, height()-2)); // left
mask += QRegion(QRect(4, 1, 1, height()-2));
mask += QRegion(QRect(3, 2, 1, height()-4));
mask += QRegion(QRect(2, 3, 1, height()-6));
mask += QRegion(QRect(1, 4, 1, height()-8));
mask += QRegion(QRect(0, 6, 1, height()-12));
int x2 = width()-1;
mask += QRegion(QRect(x2-5, 1, 1, height()-2)); // right
mask += QRegion(QRect(x2-4, 1, 1, height()-2));
mask += QRegion(QRect(x2-3, 2, 1, height()-4));
mask += QRegion(QRect(x2-2, 3, 1, height()-6));
mask += QRegion(QRect(x2-1, 4, 1, height()-8));
mask += QRegion(QRect(x2, 6, 1, height()-12));
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()
{
//
}
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