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kwin/clients/riscos/Manager.cpp
Rik Hemsley 907efe6764 Use QLayout::activate(). Looks like I found one of the rare cases where 
it's essential. This fixes some bad redraws of the titlebar in certain
hard-to-reproduce circumstances.

svn path=/trunk/kdebase/kwin/; revision=69459
2000-10-31 02:48:56 +00:00

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/*
RISC OS KWin client
Copyright 2000
Rik Hemsley <rik@kde.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <unistd.h> // for usleep
#include <config.h> // for usleep on non-linux platforms
#include <math.h> // for sin and cos
#include <qpainter.h>
#include <qimage.h>
#include <qlayout.h>
#include <kapp.h>
#include <netwm.h>
#include "../../options.h"
#include "../../workspace.h"
#include "Manager.h"
#include "Static.h"
#include "LowerButton.h"
#include "CloseButton.h"
#include "IconifyButton.h"
#include "MaximiseButton.h"
#include "StickyButton.h"
#include "HelpButton.h"
extern "C"
{
Client * allocate(Workspace * workSpace, WId winId, int tool)
{
if (tool)
return new RiscOS::ToolManager(workSpace, winId);
else
return new RiscOS::Manager(workSpace, winId);
}
}
namespace RiscOS
{
Manager::Manager(
Workspace * workSpace,
WId id,
QWidget * parent,
const char * name
)
: Client(workSpace, id, parent, name)
{
setBackgroundMode(NoBackground);
QStringList leftButtons = Static::instance()->leftButtons();
QStringList rightButtons = Static::instance()->rightButtons();
QVBoxLayout * l = new QVBoxLayout(this, 0, 0);
l->setResizeMode(QLayout::FreeResize);
lower_ = new LowerButton (this);
close_ = new CloseButton (this);
sticky_ = new StickyButton (this);
iconify_ = new IconifyButton (this);
maximise_ = new MaximiseButton (this);
help_ = new HelpButton (this);
buttonDict_.insert("Lower", lower_);
buttonDict_.insert("Close", close_);
buttonDict_.insert("Sticky", sticky_);
buttonDict_.insert("Iconify", iconify_);
buttonDict_.insert("Maximize", maximise_);
buttonDict_.insert("Help", help_);
if (!providesContextHelp())
help_->hide();
QStringList::ConstIterator it;
for (it = leftButtons.begin(); it != leftButtons.end(); ++it)
if (buttonDict_[*it])
buttonDict_[*it]->setAlignment(Button::Left);
for (it = rightButtons.begin(); it != rightButtons.end(); ++it)
if (buttonDict_[*it])
buttonDict_[*it]->setAlignment(Button::Right);
QHBoxLayout * titleLayout = new QHBoxLayout(l);
titleLayout->setResizeMode(QLayout::FreeResize);
for (it = leftButtons.begin(); it != leftButtons.end(); ++it)
if (buttonDict_[*it])
titleLayout->addWidget(buttonDict_[*it]);
titleSpacer_ =
new QSpacerItem(
0,
Static::instance()->titleHeight(),
QSizePolicy::Expanding,
QSizePolicy::Fixed
);
titleLayout->addItem(titleSpacer_);
for (it = rightButtons.begin(); it != rightButtons.end(); ++it)
if (buttonDict_[*it])
titleLayout->addWidget(buttonDict_[*it]);
QHBoxLayout * midLayout = new QHBoxLayout(l);
midLayout->setResizeMode(QLayout::FreeResize);
midLayout->addSpacing(1);
midLayout->addWidget(windowWrapper());
midLayout->addSpacing(1);
l->addSpacing(Static::instance()->resizeHeight());
connect(options, SIGNAL(resetClients()), this, SLOT(slotReset()));
}
Manager::~Manager()
{
}
void
Manager::paintEvent(QPaintEvent * e)
{
QPainter p(this);
QRect r(e->rect());
bool intersectsLeft =
r.intersects(QRect(0, 0, 1, height()));
bool intersectsRight =
r.intersects(QRect(width() - 1, 0, width(), height()));
if (intersectsLeft || intersectsRight) {
p.setPen(Qt::black);
if (intersectsLeft)
p.drawLine(0, r.top(), 0, r.bottom());
if (intersectsRight)
p.drawLine(width() - 1, r.top(), width() - 1, r.bottom());
}
Static * s = Static::instance();
bool active = isActive();
// Title bar.
QRect tr = titleSpacer_->geometry();
bitBlt(this, tr.topLeft(), &titleBuf_);
// Resize bar.
int rbt = height() - Static::instance()->resizeHeight(); // Resize bar top.
bitBlt(this, 0, rbt, &(s->resize(active)));
bitBlt(this, 30, rbt, &(s->resizeMidLeft(active)));
p.drawTiledPixmap(
32,
rbt,
width() - 34,
Static::instance()->resizeHeight(),
s->resizeMidMid(active)
);
bitBlt(this, width() - 32, rbt, &(s->resizeMidRight(active)));
bitBlt(this, width() - 30, rbt, &(s->resize(active)));
}
void
Manager::resizeEvent(QResizeEvent * e)
{
Client::resizeEvent(e);
updateButtonVisibility();
updateTitleBuffer();
repaint();
}
void
Manager::updateButtonVisibility()
{
int sizeProblem = 0;
if (width() < 80) sizeProblem = 3;
else if (width() < 100) sizeProblem = 2;
else if (width() < 180) sizeProblem = 1;
switch (sizeProblem) {
case 1:
lower_ ->hide();
sticky_ ->hide();
help_ ->hide();
iconify_ ->show();
maximise_ ->hide();
close_ ->show();
break;
case 2:
lower_ ->hide();
sticky_ ->hide();
help_ ->hide();
iconify_ ->hide();
maximise_ ->hide();
close_ ->show();
break;
case 3:
lower_ ->hide();
sticky_ ->hide();
help_ ->hide();
iconify_ ->hide();
maximise_ ->hide();
close_ ->hide();
break;
case 0:
default:
lower_ ->show();
sticky_ ->show();
if (providesContextHelp())
help_->show();
iconify_ ->show();
maximise_ ->show();
close_ ->show();
break;
}
layout()->activate();
}
void
Manager::updateTitleBuffer()
{
bool active = isActive();
Static * s = Static::instance();
QRect tr = titleSpacer_->geometry();
if (tr.width() == 0 || tr.height() == 0)
titleBuf_.resize(8, 8);
else
titleBuf_.resize(tr.size());
QPainter p(&titleBuf_);
p.drawPixmap(0, 0, s->titleTextLeft(active));
p.drawTiledPixmap(
3,
0,
tr.width() - 6,
Static::instance()->titleHeight(),
s->titleTextMid(active)
);
p.setPen(options->color(Options::Font, active));
p.setFont(options->font(true)); // XXX false doesn't work right at the moment
p.drawText(
4,
2,
tr.width() - 8,
Static::instance()->titleHeight() - 4,
AlignCenter, caption()
);
p.drawPixmap(tr.width() - 3, 0, s->titleTextRight(active));
}
Client::MousePosition
Manager::mousePosition(const QPoint & p) const
{
MousePosition m = Center;
if (p.y() > (height() - Static::instance()->resizeHeight())) {
// Keep order !
if (p.x() >= (width() - 30))
m = BottomRight;
else if (p.x() <= 30)
m = BottomLeft;
else
m = Bottom;
}
return m;
}
void
Manager::mouseDoubleClickEvent(QMouseEvent * e)
{
if (titleSpacer_->geometry().contains(e->pos()))
workspace()
->performWindowOperation(this, options->operationTitlebarDblClick());
workspace()->requestFocus(this);
}
void
Manager::slotReset()
{
for (QDictIterator<Button> it(buttonDict_); it.current(); ++it)
it.current()->update();
Static::instance()->update();
repaint();
}
void
Manager::captionChange(const QString &)
{
updateTitleBuffer();
repaint();
}
void
Manager::paletteChange(const QPalette &)
{
slotReset();
}
void
Manager::activeChange(bool b)
{
emit(activeChanged(b));
updateTitleBuffer();
repaint();
}
void
Manager::maximizeChange(bool b)
{
emit(maximiseChanged(b));
}
void
Manager::stickyChange(bool b)
{
emit(stickyChanged(b));
}
void
Manager::slotLower()
{
workspace()->lowerClient(this);
}
void
Manager::slotRaise()
{
workspace()->raiseClient(this);
}
void
Manager::slotVMax()
{
maximize(MaximizeVertical);
}
void
Manager::slotSetSticky(bool b)
{
setSticky(b);
}
void
Manager::slotHelp()
{
contextHelp();
}
void
Manager::animateIconifyOrDeiconify(bool iconify)
{
animate(iconify, Static::instance()->animationStyle());
}
void Manager::animate(bool iconify, int style)
{
switch (style) {
case 1:
{
// Double twisting double back, with pike ;)
if (!iconify) // No animation for restore.
return;
// Go away quick.
hide();
qApp->syncX();
NETRect r = netWinInfo()->iconGeometry();
if (!QRect(r.pos.x, r.pos.y, r.size.width, r.size.height).isValid())
return;
// Algorithm taken from Window Maker (http://www.windowmaker.org)
int sx = x();
int sy = y();
int sw = width();
int sh = height();
int dx = r.pos.x;
int dy = r.pos.y;
int dw = r.size.width;
int dh = r.size.height;
double steps = 12;
double xstep = double((dx-sx)/steps);
double ystep = double((dy-sy)/steps);
double wstep = double((dw-sw)/steps);
double hstep = double((dh-sh)/steps);
double cx = sx;
double cy = sy;
double cw = sw;
double ch = sh;
double finalAngle = 3.14159265358979323846;
double delta = finalAngle / steps;
QPainter p(workspace()->desktopWidget());
p.setRasterOp(Qt::NotROP);
for (double angle = 0; ; angle += delta) {
if (angle > finalAngle)
angle = finalAngle;
double dx = (cw / 10) - ((cw / 5) * sin(angle));
double dch = (ch / 2) * cos(angle);
double midy = cy + (ch / 2);
QPoint p1(cx + dx, midy - dch);
QPoint p2(cx + cw - dx, p1.y());
QPoint p3(cx + dw + dx, midy + dch);
QPoint p4(cx - dx, p3.y());
XGrabServer(qt_xdisplay());
p.drawLine(p1, p2);
p.drawLine(p2, p3);
p.drawLine(p3, p4);
p.drawLine(p4, p1);
p.flush();
usleep(500);
p.drawLine(p1, p2);
p.drawLine(p2, p3);
p.drawLine(p3, p4);
p.drawLine(p4, p1);
XUngrabServer(qt_xdisplay());
kapp->processEvents();
cx += xstep;
cy += ystep;
cw += wstep;
ch += hstep;
if (angle >= finalAngle)
break;
}
}
break;
case 2:
{
// KVirc style ? Maybe. For qwertz.
if (!iconify) // No animation for restore.
return;
// Go away quick.
hide();
qApp->syncX();
int stepCount = 12;
QRect r(geometry());
int dx = r.width() / (stepCount * 2);
int dy = r.height() / (stepCount * 2);
QPainter p(workspace()->desktopWidget());
p.setRasterOp(Qt::NotROP);
for (int step = 0; step < stepCount; step++) {
r.moveBy(dx, dy);
r.setWidth(r.width() - 2 * dx);
r.setHeight(r.height() - 2 * dy);
XGrabServer(qt_xdisplay());
p.drawRect(r);
p.flush();
usleep(200);
p.drawRect(r);
XUngrabServer(qt_xdisplay());
kapp->processEvents();
}
}
break;
default:
{
NETRect r = netWinInfo()->iconGeometry();
QRect icongeom(r.pos.x, r.pos.y, r.size.width, r.size.height);
if (!icongeom.isValid())
return;
QRect wingeom(x(), y(), width(), height());
QPainter p(workspace()->desktopWidget());
p.setRasterOp(Qt::NotROP);
if (iconify)
p.setClipRegion(
QRegion(workspace()->desktopWidget()->rect()) - wingeom
);
XGrabServer(qt_xdisplay());
p.drawLine(wingeom.bottomRight(), icongeom.bottomRight());
p.drawLine(wingeom.bottomLeft(), icongeom.bottomLeft());
p.drawLine(wingeom.topLeft(), icongeom.topLeft());
p.drawLine(wingeom.topRight(), icongeom.topRight());
p.flush();
qApp->syncX();
usleep(30000);
p.drawLine(wingeom.bottomRight(), icongeom.bottomRight());
p.drawLine(wingeom.bottomLeft(), icongeom.bottomLeft());
p.drawLine(wingeom.topLeft(), icongeom.topLeft());
p.drawLine(wingeom.topRight(), icongeom.topRight());
XUngrabServer(qt_xdisplay());
}
break;
}
}
ToolManager::ToolManager(
Workspace * workSpace,
WId id,
QWidget * parent,
const char * name
)
: Manager(workSpace, id, parent, name)
{
}
ToolManager::~ToolManager()
{
}
} // End namespace
// vim:ts=2:sw=2:tw=78
#include "Manager.moc"
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