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Diffstat (limited to 'src/kvirc/ui/kvi_listview.cpp')
| -rw-r--r-- | src/kvirc/ui/kvi_listview.cpp | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/src/kvirc/ui/kvi_listview.cpp b/src/kvirc/ui/kvi_listview.cpp new file mode 100644 index 0000000..e9c4b23 --- /dev/null +++ b/src/kvirc/ui/kvi_listview.cpp @@ -0,0 +1,212 @@ +/////////////////////////////////////////////////////////////////////////////// +// +// File : kvi_listview.cpp +// Creation date : 19 Jan 2006 GMT by Alexey Uzhva +// +// This toolbar is part of the KVirc irc client distribution +// Copyright (C) 2006 Alexey Uzhva +// Copyright (C) 2006 Szymon Stefanek (pragma at kvirc dot net) +// +// 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 opinion) 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. If not, write to the Free Software Foundation, +// Inc. ,51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +// +/////////////////////////////////////////////////////////////////////////////// + +#define __KVIRC__ + +#include "kvi_listview.h" + +#include <qpainter.h> +#include <qpixmap.h> + +#include "kvi_doublebuffer.h" + +KviListView::KviListView( QWidget * parent, const char * name) +:KviTalListView(parent) +{ + m_pBackgroundOverlayPixmap=0; + m_iBackgroundOverlayAlignment=Qt::AlignAuto; +} + +KviListView::~KviListView() +{ + if(m_pBackgroundOverlayPixmap) + delete m_pBackgroundOverlayPixmap; +} + +void KviListView::setBackgroundOverlayPixmap(QPixmap * pix,int iAlignmentFlags) +{ + setStaticBackground(TRUE); +#ifdef COMPILE_USE_QT4 + viewport()->setAutoFillBackground(false); +#else + viewport()->setBackgroundMode(QWidget::NoBackground); +#endif + m_pBackgroundOverlayPixmap=new QPixmap(*pix); + m_iBackgroundOverlayAlignment= Qt::AlignRight | Qt::AlignBottom; + repaintContents(); +} + + + +void KviListView::drawContentsOffset(QPainter * p,int ox,int oy,int cx,int cy,int cw,int ch) +{ + if(!m_pBackgroundOverlayPixmap) + { + KviTalListView::drawContentsOffset(p,ox,oy,cx,cy,cw,ch); + return; + } + + if(cw <= 0)return; // this does happen + if(ch <= 0)return; // this does happen + + KviDoubleBuffer pix(viewport()->width(),viewport()->height()); + + QPixmap * pMemPixmap = pix.pixmap(); + + QPainter pa(pMemPixmap); + + int xx = cx - ox; + int yy = cy - oy; + + pa.fillRect(QRect(xx,yy,cw,ch),viewport()->backgroundColor()); + + //KviTalListView::paintEmptyArea(&pa,); + + // compute the pixmap position + int x,y; + if(m_iBackgroundOverlayAlignment == Qt::AlignAuto) + x=y=0; + else { + if(m_iBackgroundOverlayAlignment & Qt::AlignLeft) + x=0; + else if ( m_iBackgroundOverlayAlignment & Qt::AlignRight ) + x=viewport()->width() - m_pBackgroundOverlayPixmap->width(); + else if( m_iBackgroundOverlayAlignment & Qt::AlignHCenter ) + x=(viewport()->width() - m_pBackgroundOverlayPixmap->width())/2; + else + x=0; + + if( m_iBackgroundOverlayAlignment & Qt::AlignTop ) + y=0; + else if ( m_iBackgroundOverlayAlignment & Qt::AlignBottom ) + y=viewport()->height() - m_pBackgroundOverlayPixmap->height(); + else if ( m_iBackgroundOverlayAlignment & Qt::AlignVCenter ) + y=(viewport()->height() - m_pBackgroundOverlayPixmap->height())/2; + else + y=0; + } + + pa.drawPixmap(xx,yy,*m_pBackgroundOverlayPixmap,xx-x,yy-y,cw,ch); + + // Qt's auto double buffering is buggy and can't be disabled... too bad :/ + // + // The Qt source for the listview painting is also totally unreadable + // (maybe that's why they have thrown this cool widget away in Qt4: unmantainable) + // + // Anyway, I've noticed that when double buffering is choosen (and + // Qt seems to have a really complex logic to choose when to enable it + // and when not) then the painter passed to paintCell() of the + // list view items is NOT this painter. It's the internal painter + // of the QSharedDoubleBuffer private Qt class. It's screwed + // because of the multiple coordinate translations. With this + // widget we screw it even more just because our paintEmptyArea() + // does nothing and we do double buffering ourselves. + + KviTalListView::drawContentsOffset(&pa,ox,oy,cx,cy,cw,ch); + + p->drawPixmap(xx,yy,*pMemPixmap,xx,yy,cw,ch); + + //p->drawPixmap(cx-ox,cy-oy,*pMemPixmap,0,0,cw,ch); + //KviTalListView::drawContentsOffset(p,ox,oy,cx,cy,cw,ch); +} + + +void KviListView::paintEmptyArea(QPainter * p,const QRect & rect) +{ + if(!m_pBackgroundOverlayPixmap) + { + KviTalListView::paintEmptyArea(p,rect); + return; + } + + // otherwise just do nothing (we're filling the background in drawContentsOffset) + + /* + KviDoubleBuffer pix(rect.right()+1,rect.bottom()+1); + + QPixmap * pMemPixmap = pix.pixmap(); + + QPainter pa(pMemPixmap); + + pa.fillRect(rect,viewport()->backgroundColor()); + + KviTalListView::paintEmptyArea(&pa,rect); + + QPoint realTopLeft = p->xForm(rect.topLeft()); + + // compute the pixmap position + int x,y; + if(m_iBackgroundOverlayAlignment == Qt::AlignAuto) + x=y=0; + else { + if(m_iBackgroundOverlayAlignment & Qt::AlignLeft) + x=0; + else if ( m_iBackgroundOverlayAlignment & Qt::AlignRight ) + x=viewport()->width() - m_pBackgroundOverlayPixmap->width(); + else if( m_iBackgroundOverlayAlignment & Qt::AlignHCenter ) + x=(viewport()->width() - m_pBackgroundOverlayPixmap->width())/2; + else + x=0; + + if( m_iBackgroundOverlayAlignment & Qt::AlignTop ) + y=0; + else if ( m_iBackgroundOverlayAlignment & Qt::AlignBottom ) + y=viewport()->height() - m_pBackgroundOverlayPixmap->height(); + else if ( m_iBackgroundOverlayAlignment & Qt::AlignVCenter ) + y=(viewport()->height() - m_pBackgroundOverlayPixmap->height())/2; + else + y=0; + } + + pa.drawPixmap(rect.x(),rect.y(),*m_pBackgroundOverlayPixmap,realTopLeft.x()-x,realTopLeft.y()-y,rect.width(),rect.height()); + + p->drawPixmap(rect.x(),rect.y(),*pMemPixmap,rect.x(),rect.y(),rect.width(),rect.height()); + */ +} + +void KviListView::resizeEvent(QResizeEvent * e) +{ + KviTalListView::resizeEvent(e); + if(m_pBackgroundOverlayPixmap) + repaintContents(); // force a full repaint (otherwise qt does not honor static background here) +} + +#ifdef COMPILE_ON_WINDOWS + +void KviListView::focusInEvent(QFocusEvent * e) +{ + KviTalListView::focusInEvent(e); + if(m_pBackgroundOverlayPixmap) + repaintContents(); +} + +void KviListView::focusOutEvent(QFocusEvent * e) +{ + KviTalListView::focusOutEvent(e); + if(m_pBackgroundOverlayPixmap) + repaintContents(); +} + +#endif |