diff options
Diffstat (limited to 'kdeui/kdockwidget_private.cpp')
| -rw-r--r-- | kdeui/kdockwidget_private.cpp | 712 |
1 files changed, 712 insertions, 0 deletions
diff --git a/kdeui/kdockwidget_private.cpp b/kdeui/kdockwidget_private.cpp new file mode 100644 index 000000000..58bc954bc --- /dev/null +++ b/kdeui/kdockwidget_private.cpp @@ -0,0 +1,712 @@ +/* This file is part of the KDE libraries + Copyright (C) 2000 Max Judin <novaprint@mtu-net.ru> + Copyright (C) 2002,2003 Joseph Wenninger <jowenn@kde.org> + Copyright (C) 2005 Dominik Haumann <dhdev@gmx.de> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License version 2 as published by the Free Software Foundation. + + This library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ +#include "kdockwidget.h" +#include "kdockwidget_p.h" +#include "kdockwidget_private.h" + +#include <qpainter.h> +#include <qcursor.h> +#include <kdebug.h> +#include <qtimer.h> +#include <qapplication.h> + +#include <math.h> // need ceil + +KDockSplitter::KDockSplitter(QWidget *parent, const char *name, Orientation orient, int pos) +: QWidget(parent, name) +{ + m_dontRecalc=false; + divider = 0L; + child0 = 0L; + child1 = 0L; + fixedWidth0=-1; + fixedWidth1=-1; + fixedHeight0=-1; + fixedHeight1=-1; + + m_orientation = orient; + mOpaqueResize = false; + mKeepSize = false; + setSeparatorPosInPercent( pos ); + initialised = false; +} + +void KDockSplitter::activate(QWidget *c0, QWidget *c1) +{ + if ( c0 ) child0 = c0; + if ( c1 ) child1 = c1; + + setupMinMaxSize(); + + if (divider) delete divider; + divider = new QFrame(this, "pannerdivider"); + divider->setFrameStyle(QFrame::Panel | QFrame::Raised); + divider->setLineWidth(1); + divider->raise(); + + if (m_orientation == Horizontal) + divider->setCursor(QCursor(sizeVerCursor)); + else + divider->setCursor(QCursor(sizeHorCursor)); + divider->installEventFilter(this); + + initialised= true; + + updateName(); + divider->show(); + + // without this resize event, things will not work. why exactly? :( + resizeEvent(0); + + + KDockWidget* dw0 = (KDockWidget*) child0; + KDockWidget* dw1 = (KDockWidget*) child1; + + // if fixed size is set, restore first, to restore xpos correctly + if( fixedWidth0 != -1 || fixedHeight0 != -1 ) restoreFromForcedFixedSize( dw0 ); + if( fixedWidth1 != -1 || fixedHeight1 != -1 ) restoreFromForcedFixedSize( dw1 ); + + + // now force fixed sizes, if they are set. + if( dw0->forcedFixedWidth() != -1 ) { + setForcedFixedWidth( dw0, dw0->forcedFixedWidth() ); + } + else if( dw1->forcedFixedWidth() != -1 ) { + setForcedFixedWidth( dw1, dw1->forcedFixedWidth() ); + } + + if( dw0->forcedFixedHeight() != -1 ) { + setForcedFixedHeight (dw0, dw0->forcedFixedHeight() ); + } + else if( dw1->forcedFixedHeight() != -1 ) { + setForcedFixedHeight( dw1, dw1->forcedFixedHeight() ); + } +} + +/* +void KDockSplitter::delayedResize() +{ + kdDebug(282)<<"*********************** DELAYED RESIZE !!!!!!!!!!!!!!!"<<endl; + resizeEvent(0); +}*/ + +void KDockSplitter::setForcedFixedWidth(KDockWidget *dw,int w) +{ + if (dw==child0) + { + if (fixedWidth0==-1) savedXPos=xpos; + if (w==fixedWidth0) return; + fixedWidth0=w; + setSeparatorPos(w*factor/width(),true); +// kdDebug(282)<<"Set forced fixed width for widget 0 :"<<w<<endl; + } + else + { + if (fixedWidth1==-1) savedXPos=xpos; + if (w==fixedWidth1) return; + fixedWidth1=w; + setSeparatorPos((width()-w)*factor/width(),true); +// kdDebug(282)<<"Set forced fixed width for widget 1 :"<<w<<endl; + } + setupMinMaxSize(); + if (divider) divider->hide(); +} + +void KDockSplitter::setForcedFixedHeight(KDockWidget *dw,int h) +{ + if (dw==child0) + { + if (fixedHeight0==-1) savedXPos=xpos; + if (h==fixedHeight0) return; + fixedHeight0=h; + setSeparatorPos(h*factor/height(),true); +// // kdDebug(282)<<"Set forced fixed width for widget 0 :"<<h<<endl; + } + else + { + if (fixedHeight1==-1) savedXPos=xpos; + if (h==fixedHeight1) return; + fixedHeight1=h; + setSeparatorPos((height()-h)*factor/height(),true); +// kdDebug(282)<<"Set forced fixed height for widget 1 :"<<h<<endl; + } + setupMinMaxSize(); + if (divider) divider->hide(); +} + +void KDockSplitter::restoreFromForcedFixedSize(KDockWidget *dw) +{ + if (divider) divider->show(); + if (dw==child0) + { + fixedWidth0=-1; + fixedHeight0=-1; + setSeparatorPos(savedXPos,true); + } + else + { + fixedWidth1=-1; + fixedHeight1=-1; + setSeparatorPos(savedXPos,true); + } +} + + +void KDockSplitter::setupMinMaxSize() +{ + // Set the minimum and maximum sizes for the KDockSplitter (this) + int minx, maxx, miny, maxy; + if (m_orientation == Horizontal) { + miny = child0->minimumHeight() + child1->minimumHeight() + 4; + maxy = child0->maximumHeight() + child1->maximumHeight() + 4; + minx = (child0->minimumWidth() > child1->minimumWidth()) ? child0->minimumWidth() : child1->minimumWidth(); + maxx = (child0->maximumWidth() > child1->maximumWidth()) ? child0->maximumWidth() : child1->maximumWidth(); + + if (miny < 4) miny = 4; + if (maxy > 32000) maxy = 32000; + if (minx < 2) minx = 2; + if (maxx > 32000) maxx = 32000; + } + else + { + minx = child0->minimumWidth() + child1->minimumWidth() + 4; + maxx = child0->maximumWidth() + child1->maximumWidth() + 4; + miny = (child0->minimumHeight() > child1->minimumHeight()) ? child0->minimumHeight() : child1->minimumHeight(); + maxy = (child0->maximumHeight() > child1->maximumHeight()) ? child0->maximumHeight() : child1->maximumHeight(); + + if (miny < 2) miny = 2; + if (maxy > 32000) maxy = 32000; + if (minx < 4) minx = 4; + if (maxx > 32000) maxx = 32000; + } + + setMinimumSize(minx, miny); + setMaximumSize(maxx, maxy); +} + +void KDockSplitter::deactivate() +{ + if (divider) delete divider; + divider = 0L; + initialised= false; +} + +int KDockSplitter::separatorPosInPercent() +{ + return xpos / (factor/100); +} + +void KDockSplitter::setSeparatorPosInPercent(int percent) +{ + xpos = percent * (factor/100); +} + +void KDockSplitter::setSeparatorPos(int pos, bool do_resize) +{ + xpos = pos; + if (do_resize) + resizeEvent(0); +} + +void KDockSplitter::setSeparatorPosX(int pos, bool do_resize) +{ + savedXPos = pos; + setSeparatorPos( pos, do_resize ); +} + +int KDockSplitter::separatorPos() const +{ + return xpos; +} + +void KDockSplitter::resizeEvent(QResizeEvent *ev) +{ + // + // As already stated in the .h file we always have to differentiate + // between 6 modes. + // If we can cast child0->getWidget() or child1.getWidget() to + // KDockContainer* we *do* have a dockwidget around. For dockwidgets + // we have to take special care in the resizing routines, for example + // if mKeepSize is true and the dockcontainer is on the bottom or right, + // we always have to move the xpos splitter position. If there are no + // dockcontainers around, resizing is handeled like if child0 would + // be a dockcontainer. + // + +// kdDebug(282)<<"ResizeEvent :"<< ((initialised) ? "initialised":"not initialised")<<", "<< ((ev) ? "real event":"")<<", "<<(isVisible() ?"visible":"")<<endl; + + if (initialised) { + KDockContainer *dc = 0L; + KDockWidget *c0 = (KDockWidget*)child0; + KDockWidget *c1 = (KDockWidget*)child1; + bool stdHandling=false; // true: if closed or nonoverlap mode. false: overlap mode + + // + // Check whether this is a real resize event or a pseudo resize event + // Real resize events occure if the width() or height() changes. ev != 0L. + // Pseudo resize events occure if the dockwidget mode changes (overlaped, + // sticky or closed). ev == 0L. + // + if (ev && isVisible() && divider->isVisible()) { + // real resize event. +// kdDebug(282)<<"mKeepSize : "<< ((m_orientation == Horizontal) ? "Horizontal":"Vertical") <<endl; + + if (mKeepSize) { + // keep the splitter on a fixed position. This may be a bit inaccurate, because + // xpos saves a proportional value, which means there might occur rounding errors. + // However, this works surprising well! + if (m_orientation == Horizontal) { + if (ev->oldSize().height() != ev->size().height()) { + if( (c1->getWidget()) && (dc=dynamic_cast<KDockContainer*>(c1->getWidget()))) { + // dockwidget is on the bottom. move xpos so that the size from child1 stays + xpos = (int)ceil(((double)factor) * checkValue(height() - child1->height() - 4) / height()); + } else { + // xpos should not change, the docking is on the top + // checkValue is *fuzzy* here, it leads to ugly rounding bugs + // In truth, it is not needed, because it is called when calculating the "position". + xpos = qRound(((double)xpos) * ev->oldSize().height() / height()); + } + } + } else { + if (ev->oldSize().width() != width()) { + if( (c1->getWidget()) && (dc=dynamic_cast<KDockContainer*>(c1->getWidget()))) { + xpos = (int)ceil(((double)factor) * checkValue(width() - child1->width() - 4) / width()); + } else { + // xpos should not change + // checkValue is *fuzzy* here, it leads to ugly rounding bugs + xpos = qRound(((double)xpos) * ev->oldSize().width() / width()); + } + } + } + } else { + // dockwidget size proportional! + // Which means, xpos is always right (ratio value). Do nothing! :) + } + } + else + { + // + // Maybe a multitabbartab was clicked, so force an update of the fixed + // values. + // + if ( isVisible()) { + if (m_orientation == Horizontal) { + if (fixedHeight0!=-1) + xpos = checkValue(fixedHeight0) * factor / height(); + else if (fixedHeight1!=-1) + xpos = checkValue(height()-fixedHeight1) * factor / height(); + } + else + { + if (fixedWidth0!=-1) + xpos = checkValue(fixedWidth0) * factor / width(); + else if (fixedWidth1!=-1) + xpos = checkValue(width()-fixedWidth1) * factor / width(); + } + } +// else kdDebug(282)<<"Something else happened"<<endl; + } + +/* + // --- debugging information --- + kdDebug(282) << "isVisible() is : " << isVisible() << endl; + kdDebug(282) << "Orientation : " << (m_orientation==Horizontal?"Horizontal":"Vertical") + << endl; + kdDebug(282) << "Splitter visibility : " << divider->isVisible() << endl;; + kdDebug(282) << "Splitter procentual pos: " << xpos << endl; + if (c0->getWidget()) { + dc=dynamic_cast<KDockContainer*>(c0->getWidget()); + kdDebug(282) << "Child 0 KDockContainer?: " << dc << endl; + } + if (c1->getWidget()) { + dc=dynamic_cast<KDockContainer*>(c1->getWidget()); + kdDebug(282) << "Child 1 KDockContainer?: " << dc << endl; + } + kdDebug(282) << "Child0 : " << child0 << endl; + kdDebug(282) << "child1 : " << child1 << endl; +*/ + + // + // handle overlapped widgets only. + // + if( ( (m_orientation==Vertical) &&((fixedWidth0==-1) && (fixedWidth1==-1)) ) || + ( (m_orientation==Horizontal) &&((fixedHeight0==-1) && (fixedHeight1==-1)) ) ) { + if ((c0->getWidget()) && (dc=dynamic_cast<KDockContainer*>(c0->getWidget())) + && (dc->isOverlapMode())) { + // child0 ist a KDockContainer + int position; + child0->show(); + child0->raise(); + divider->raise(); + if (m_orientation == Horizontal) { + position = checkValueOverlapped( height() * xpos / factor, child0 ); + child0->setGeometry(0, 0, width(), position); + child1->setGeometry(0, dc->m_nonOverlapSize, width(), height()-dc->m_nonOverlapSize); + divider->setGeometry(0, position, width(), 4); + } else { + position = checkValueOverlapped( width() * xpos / factor, child0 ); + child0->setGeometry(0, 0, position, height()); + child1->setGeometry(dc->m_nonOverlapSize, 0, width()-dc->m_nonOverlapSize, height()); + divider->setGeometry(position, 0, 4, height()); + } + } else { + if ((c1->getWidget()) && (dc=dynamic_cast<KDockContainer*>(c1->getWidget())) + && (dc->isOverlapMode())) { + // child1 ist a KDockContainer + int position; + child1->show(); + child1->raise(); + divider->raise(); + if (m_orientation == Horizontal) { + position = checkValueOverlapped( height() * xpos / factor, child1 ); + child0->setGeometry(0, 0, width(), height()-dc->m_nonOverlapSize); + child1->setGeometry(0, position+4, width(), height()-position-4); + divider->setGeometry(0, position, width(), 4); + } else { + position = checkValueOverlapped( width() * xpos / factor, child1 ); + child0->setGeometry(0, 0, width()-dc->m_nonOverlapSize, height()); + child1->setGeometry(position+4, 0, width()-position-4, height()); + divider->setGeometry(position, 0, 4, height()); + } + } + else // no KDockContainer available, this means the mode cannot be overlapped + stdHandling=true; + } + } + else // no KDockContainer available + stdHandling=true; + + // + // stdHandling == true means either sticky mode (=nonoverlap mode) or + // closed mode. In both modes the widgets do *not* overlap, so we know + // the child0 and child1 adjoin. + // + if (stdHandling) { + int position = checkValue( (m_orientation == Vertical ? width() : height()) * xpos / factor ); + int diff = 0; + + if (m_orientation == Horizontal) { + if ((c1->getWidget()) && (dc=dynamic_cast<KDockContainer*>(c1->getWidget()))) { + // bottom is dockcontainer + if( divider->isVisible() ) { + child0->setGeometry(0, 0, width(), position); + child1->setGeometry(0, position+4, width(), height()-position-4); + } else { + child0->setGeometry(0, 0, width(), height()-dc->m_nonOverlapSize); + child1->setGeometry(0, height()-dc->m_nonOverlapSize, width(), height()); + } + } else { + if( divider->isVisible() ) diff = 4; + child0->setGeometry(0, 0, width(), position); + child1->setGeometry(0, position+diff, width(), height()-position-diff); + } + divider->setGeometry(0, position, width(), 4); + } else { + if ((c1->getWidget()) && (dc=dynamic_cast<KDockContainer*>(c1->getWidget()))) { + // right is dockcontainer + if( divider->isVisible() ) { + child0->setGeometry(0, 0, position, height()); + child1->setGeometry(position+4, 0, width()-position-4, height()); + } else { + child0->setGeometry(0, 0, width()-dc->m_nonOverlapSize, height()); + child1->setGeometry(width()-dc->m_nonOverlapSize, 0, width(), height()); + } + } else { + if( divider->isVisible() ) diff = 4; + child0->setGeometry(0, 0, position, height()); + child1->setGeometry(position+diff, 0, width()-position-diff, height()); + } + divider->setGeometry(position, 0, 4, height()); + } + } + } +} + +int KDockSplitter::checkValueOverlapped(int position, QWidget *overlappingWidget) const +{ + if (initialised) { + if (m_orientation == Vertical) { + if (child0==overlappingWidget) { + if (position < child0->minimumWidth() || position > width()) + position = child0->minimumWidth(); + } else { + if (position > (width()-child1->minimumWidth()-4) || position < 0) + position = width()-child1->minimumWidth()-4; + } + } else {// orientation == Horizontal + if (child0==overlappingWidget) { + if (position < (child0->minimumHeight()) || position > height()) + position = child0->minimumHeight(); + } else { + if (position>(height()-child1->minimumHeight()-4) || position < 0) + position = height()-child1->minimumHeight()-4; + } + } + } + return position; +} + +int KDockSplitter::checkValue( int position ) const +{ + if (initialised) { + if (m_orientation == Vertical) { + if (position < child0->minimumWidth()) + position = child0->minimumWidth(); + if ((width()-4-position) < (child1->minimumWidth())) + position = width() - (child1->minimumWidth()) - 4; + } else { + if (position < (child0->minimumHeight())) + position = child0->minimumHeight(); + if ((height()-4-position) < child1->minimumHeight()) + position = height() - (child1->minimumHeight()) - 4; + } + } + + if (position < 0) position = 0; + + if ((m_orientation == Vertical) && (position > width())) + position = width(); + if ((m_orientation == Horizontal) && (position > height())) + position = height(); + + return position; +} + +bool KDockSplitter::eventFilter(QObject *o, QEvent *e) +{ + QMouseEvent *mev; + bool handled = false; + + switch (e->type()) { + case QEvent::MouseMove: + mev= (QMouseEvent*)e; + child0->setUpdatesEnabled(mOpaqueResize); + child1->setUpdatesEnabled(mOpaqueResize); + if (m_orientation == Horizontal) { + if ((fixedHeight0!=-1) || (fixedHeight1!=-1)) + { + handled=true; break; + } + + if (!mOpaqueResize) { + int position = checkValue( mapFromGlobal(mev->globalPos()).y() ); + divider->move( 0, position ); + } else { + int tmp_xpos = factor * checkValue( mapFromGlobal(mev->globalPos()).y() ) / height(); + if (tmp_xpos != xpos) { + xpos = tmp_xpos; + resizeEvent(0); + divider->repaint(true); + } + } + } else { + if ((fixedWidth0!=-1) || (fixedWidth1!=-1)) + { + handled=true; break; + } + if (!mOpaqueResize) { + int position = checkValue( mapFromGlobal(QCursor::pos()).x() ); + divider->move( position, 0 ); + } else { + int tmp_xpos = factor * checkValue( mapFromGlobal( mev->globalPos()).x() ) / width(); + if (tmp_xpos != xpos) { + xpos = tmp_xpos; + resizeEvent(0); + divider->repaint(true); + } + } + } + handled= true; + break; + case QEvent::MouseButtonRelease: + child0->setUpdatesEnabled(true); + child1->setUpdatesEnabled(true); + mev= (QMouseEvent*)e; + if (m_orientation == Horizontal){ + if ((fixedHeight0!=-1) || (fixedHeight1!=-1)) + { + handled=true; break; + } + xpos = factor* checkValue( mapFromGlobal(mev->globalPos()).y() ) / height(); + resizeEvent(0); + divider->repaint(true); + } else { + if ((fixedWidth0!=-1) || (fixedWidth1!=-1)) + { + handled=true; break; + } + xpos = factor* checkValue( mapFromGlobal(mev->globalPos()).x() ) / width(); + resizeEvent(0); + divider->repaint(true); + } + handled= true; + break; + default: + break; + } + return (handled) ? true : QWidget::eventFilter( o, e ); +} + +bool KDockSplitter::event( QEvent* e ) +{ + if ( e->type() == QEvent::LayoutHint ){ + // change children min/max size. This is needed, otherwise + // it is possible the divider get's out of bounds. + setupMinMaxSize(); + resizeEvent(0); + } + return QWidget::event(e); +} + +QWidget* KDockSplitter::getAnother( QWidget* w ) const +{ + return ( w == child0 ) ? child1 : child0; +} + +void KDockSplitter::updateName() +{ + if ( !initialised ) return; + + QString new_name = QString( child0->name() ) + "," + child1->name(); + parentWidget()->setName( new_name.latin1() ); + parentWidget()->setCaption( child0->caption() + "," + child1->caption() ); + parentWidget()->repaint( false ); + + ((KDockWidget*)parentWidget())->firstName = child0->name(); + ((KDockWidget*)parentWidget())->lastName = child1->name(); + ((KDockWidget*)parentWidget())->splitterOrientation = m_orientation; + + QWidget* p = parentWidget()->parentWidget(); + if ( p && p->inherits("KDockSplitter" ) ) + ((KDockSplitter*)p)->updateName(); +} + +void KDockSplitter::setOpaqueResize(bool b) +{ + mOpaqueResize = b; +} + +bool KDockSplitter::opaqueResize() const +{ + return mOpaqueResize; +} + +void KDockSplitter::setKeepSize(bool b) +{ + mKeepSize = b; +} + +bool KDockSplitter::keepSize() const +{ + return mKeepSize; +} + + + +/*************************************************************************/ +KDockButton_Private::KDockButton_Private( QWidget *parent, const char * name ) +:QPushButton( parent, name ) +{ + moveMouse = false; + setFocusPolicy( NoFocus ); +} + +KDockButton_Private::~KDockButton_Private() +{ +} + +void KDockButton_Private::drawButton( QPainter* p ) +{ + p->fillRect( 0,0, width(), height(), QBrush(colorGroup().brush(QColorGroup::Background)) ); + p->drawPixmap( (width() - pixmap()->width()) / 2, (height() - pixmap()->height()) / 2, *pixmap() ); + if ( moveMouse && !isDown() ){ + p->setPen( white ); + p->moveTo( 0, height() - 1 ); + p->lineTo( 0, 0 ); + p->lineTo( width() - 1, 0 ); + + p->setPen( colorGroup().dark() ); + p->lineTo( width() - 1, height() - 1 ); + p->lineTo( 0, height() - 1 ); + } + if ( isOn() || isDown() ){ + p->setPen( colorGroup().dark() ); + p->moveTo( 0, height() - 1 ); + p->lineTo( 0, 0 ); + p->lineTo( width() - 1, 0 ); + + p->setPen( white ); + p->lineTo( width() - 1, height() - 1 ); + p->lineTo( 0, height() - 1 ); + } +} + +void KDockButton_Private::enterEvent( QEvent * ) +{ + moveMouse = true; + repaint(); +} + +void KDockButton_Private::leaveEvent( QEvent * ) +{ + moveMouse = false; + repaint(); +} + +/*************************************************************************/ +KDockWidgetPrivate::KDockWidgetPrivate() + : QObject() + ,index(-1) + ,splitPosInPercent(50) + ,pendingFocusInEvent(false) + ,blockHasUndockedSignal(false) + ,pendingDtor(false) + ,forcedWidth(-1) + ,forcedHeight(-1) + ,isContainer(false) + ,container(0) + ,resizePos(0,0) + ,resizing(false) +{ +#ifndef NO_KDE2 + windowType = NET::Normal; +#endif + + _parent = 0L; + transient = false; +} + +KDockWidgetPrivate::~KDockWidgetPrivate() +{ +} + +void KDockWidgetPrivate::slotFocusEmbeddedWidget(QWidget* w) +{ + if (w) { + QWidget* embeddedWdg = ((KDockWidget*)w)->getWidget(); + if (embeddedWdg && ((embeddedWdg->focusPolicy() == QWidget::ClickFocus) || (embeddedWdg->focusPolicy() == QWidget::StrongFocus))) { + embeddedWdg->setFocus(); + } + } +} + +#ifndef NO_INCLUDE_MOCFILES // for Qt-only projects, because tmake doesn't take this name +#include "kdockwidget_private.moc" +#endif |