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koffice/lib/kofficecore/KoFrame.cpp

394 lines
11 KiB

/* This file is part of the KDE project
Copyright (C) 1998, 1999, 2000 Torben Weis <weis@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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 <KoFrame.h>
#include <KoView.h>
#include <tqpainter.h>
#include <kparts/event.h>
#include <kcursor.h>
#include <kdebug.h>
#define TQMAX32767(a,b) TQMAX(TQMAX(32767,a),b)
class KoFramePrivate
{
public:
KoFramePrivate()
{
}
~KoFramePrivate()
{
}
KoView *m_view;
TQPoint m_mousePressPos;
TQPoint m_framePos;
int m_width;
int m_height;
int m_mode;
KoFrame::State m_state;
};
KoFrame::KoFrame( TQWidget *parent, const char *name )
: TQWidget( parent, name )
{
d = new KoFramePrivate;
d->m_state = Inactive;
d->m_mode = -1;
d->m_view = 0;
setBackgroundColor( white );
setMouseTracking( true );
}
KoFrame::~KoFrame()
{
delete d;
}
void KoFrame::setView( KoView *view )
{
if ( view == d->m_view )
return;
if ( d->m_view )
d->m_view->removeEventFilter( this );
d->m_view = view;
if ( d->m_view )
d->m_view->installEventFilter( this );
resizeEvent( 0L );
}
KoView *KoFrame::view() const
{
return d->m_view;
}
void KoFrame::setState( State s )
{
if ( d->m_state == s )
return;
State old = d->m_state;
d->m_state = s;
if ( d->m_view )
{
/*
kdDebug(30003) << "KoFrame::setView setMaximumSize "
<< "TQMAX32767(" << d->m_view->maximumWidth() + 2 * border() << "," << d->m_view->maximumWidth() << "), "
<< "TQMAX32767(" << d->m_view->maximumHeight() + 2 * border() << "," << d->m_view->maximumHeight() << ")"
<< endl;
*/
setMaximumSize( TQMAX32767( d->m_view->maximumWidth() + 2 * border(), d->m_view->maximumWidth() ),
TQMAX32767( d->m_view->maximumHeight() + 2 * border(), d->m_view->maximumHeight() ) );
setMinimumSize( d->m_view->minimumWidth() + leftBorder() + rightBorder(),
d->m_view->minimumHeight() + topBorder() + bottomBorder() );
}
if ( d->m_state == Inactive )
{
d->m_state = old;
int l = leftBorder();
int r = rightBorder();
int t = topBorder();
int b = bottomBorder();
d->m_state = Inactive;
setGeometry( x() + l, y() + t, width() - l - r, height() - t - b );
}
else if ( ( d->m_state == Active || d->m_state == Selected ) && old == Inactive )
setGeometry( x() - leftBorder(), y() - topBorder(),
width() + leftBorder() + rightBorder(),
height() + topBorder() + bottomBorder() );
else if ( d->m_state == Active && old == Selected )
{
setGeometry( x() - leftBorder() + border(), y() - topBorder() + border(),
width() + leftBorder() + rightBorder() - 2 * border(),
height() + topBorder() + bottomBorder() - 2 * border() );
}
update();
}
KoFrame::State KoFrame::state() const
{
return d->m_state;
}
int KoFrame::leftBorder() const
{
if ( d->m_state == Inactive )
return 0;
if ( d->m_state == Selected || !d->m_view )
return border();
return d->m_view->leftBorder() + border();
}
int KoFrame::rightBorder() const
{
if ( d->m_state == Inactive )
return 0;
if ( d->m_state == Selected || !d->m_view )
return border();
return d->m_view->rightBorder() + border();
}
int KoFrame::topBorder() const
{
if ( d->m_state == Inactive )
return 0;
if ( d->m_state == Selected || !d->m_view )
return border();
return d->m_view->topBorder() + border();
}
int KoFrame::bottomBorder() const
{
if ( d->m_state == Inactive )
return 0;
if ( d->m_state == Selected || !d->m_view )
return border();
return d->m_view->bottomBorder() + border();
}
int KoFrame::border() const
{
if ( d->m_state == Inactive )
return 0;
return 5;
}
void KoFrame::paintEvent( TQPaintEvent* )
{
TQPainter painter;
painter.begin( this );
painter.setPen( black );
painter.fillRect( 0, 0, width(), height(), BDiagPattern );
if ( d->m_state == Selected )
{
painter.fillRect( 0, 0, 5, 5, black );
painter.fillRect( 0, height() - 5, 5, 5, black );
painter.fillRect( width() - 5, height() - 5, 5, 5, black );
painter.fillRect( width() - 5, 0, 5, 5, black );
painter.fillRect( width() / 2 - 3, 0, 5, 5, black );
painter.fillRect( width() / 2 - 3, height() - 5, 5, 5, black );
painter.fillRect( 0, height() / 2 - 3, 5, 5, black );
painter.fillRect( width() - 5, height() / 2 - 3, 5, 5, black );
}
painter.end();
}
void KoFrame::mousePressEvent( TQMouseEvent* ev )
{
TQRect r1( 0, 0, 5, 5 );
TQRect r2( 0, height() - 5, 5, 5 );
TQRect r3( width() - 5, height() - 5, 5, 5 );
TQRect r4( width() - 5, 0, 5, 5 );
TQRect r5( width() / 2 - 3, 0, 5, 5 );
TQRect r6( width() / 2 - 3, height() - 5, 5, 5 );
TQRect r7( 0, height() / 2 - 3, 5, 5 );
TQRect r8( width()- 5, height() / 2 - 3, 5, 5 );
if ( r1.contains( ev->pos() ) )
d->m_mode = 1;
else if ( r2.contains( ev->pos() ) )
d->m_mode = 2;
else if ( r3.contains( ev->pos() ) )
d->m_mode = 3;
else if ( r4.contains( ev->pos() ) )
d->m_mode = 4;
else if ( r5.contains( ev->pos() ) )
d->m_mode = 5;
else if ( r6.contains( ev->pos() ) )
d->m_mode = 6;
else if ( r7.contains( ev->pos() ) )
d->m_mode = 7;
else if ( r8.contains( ev->pos() ) )
d->m_mode = 8;
else
d->m_mode = 0;
// if ( d->m_state == Active )
// d->m_mode = 0;
kdDebug(30003) << "---- MODE=" << d->m_mode << endl;
d->m_mousePressPos = mapToParent( ev->pos() );
d->m_framePos = mapToParent( TQPoint( 0, 0 ) );
d->m_width = width();
d->m_height = height();
}
void KoFrame::mouseMoveEvent( TQMouseEvent* ev )
{
if ( d->m_mode == 0 )
{
TQPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
move( TQPoint( p.x() + d->m_framePos.x() - d->m_mousePressPos.x(),
p.y() + d->m_framePos.y() - d->m_mousePressPos.y() ) );
// The other modes change the tqgeometry so they call resizeEvent.
// This one doesn't, so it has to emit geometryChangedby itself.
emit geometryChanged();
//kdDebug() << "KoFrame::mouseMoveEvent koFrame position is " << x() << "," << y() << endl;
}
else if ( d->m_mode == 1 )
{
TQPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
int w = TQMIN( TQMAX( d->m_width + d->m_mousePressPos.x() - p.x(), minimumWidth() ), maximumWidth() );
int h = TQMIN( TQMAX( d->m_height + d->m_mousePressPos.y() - p.y(), minimumHeight() ), maximumHeight() );
setGeometry( d->m_framePos.x() - w + d->m_width,
d->m_framePos.y() - h + d->m_height, w, h );
}
else if ( d->m_mode == 2 )
{
TQPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
int w = TQMIN( TQMAX( d->m_width + d->m_mousePressPos.x() - p.x(), minimumWidth() ), maximumWidth() );
int h = TQMIN( TQMAX( d->m_height - d->m_mousePressPos.y() + p.y(), minimumHeight() ), maximumHeight() );
setGeometry( d->m_framePos.x() - w + d->m_width,
d->m_framePos.y(), w, h );
}
else if ( d->m_mode == 3 )
{
TQPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
int w = TQMIN( TQMAX( d->m_width - d->m_mousePressPos.x() + p.x(), minimumWidth() ), maximumWidth() );
int h = TQMIN( TQMAX( d->m_height - d->m_mousePressPos.y() + p.y(), minimumHeight() ), maximumHeight() );
resize( w, h );
}
else if ( d->m_mode == 4 )
{
TQPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
int w = TQMIN( TQMAX( d->m_width - d->m_mousePressPos.x() + p.x(), minimumWidth() ), maximumWidth() );
int h = TQMIN( TQMAX( d->m_height + d->m_mousePressPos.y() - p.y(), minimumHeight() ), maximumHeight() );
setGeometry( d->m_framePos.x(),
d->m_framePos.y() - h + d->m_height, w, h );
}
else if ( d->m_mode == 5 )
{
TQPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
int h = TQMIN( TQMAX( d->m_height + d->m_mousePressPos.y() - p.y(), minimumHeight() ), maximumHeight() );
setGeometry( d->m_framePos.x(),
d->m_framePos.y() - h + d->m_height, d->m_width, h );
}
else if ( d->m_mode == 6 )
{
TQPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
int h = TQMIN( TQMAX( d->m_height - d->m_mousePressPos.y() + p.y(), minimumHeight() ), maximumHeight() );
resize( d->m_width, h );
}
else if ( d->m_mode == 7 )
{
TQPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
int w = TQMIN( TQMAX( d->m_width + d->m_mousePressPos.x() - p.x(), minimumWidth() ), maximumWidth() );
setGeometry( d->m_framePos.x() - w + d->m_width,
d->m_framePos.y(), w, d->m_height );
}
else if ( d->m_mode == 8 )
{
TQPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
int w = TQMIN( TQMAX( d->m_width - d->m_mousePressPos.x() + p.x(), minimumWidth() ), maximumWidth() );
resize( w, d->m_height );
}
else if ( d->m_state == Selected || d->m_state == Active )
{
TQRect r1( 0, 0, 5, 5 );
TQRect r2( 0, height() - 5, 5, 5 );
TQRect r3( width() - 5, height() - 5, 5, 5 );
TQRect r4( width() - 5, 0, 5, 5 );
TQRect r5( width() / 2 - 3, 0, 5, 5 );
TQRect r6( width() / 2 - 3, height() - 5, 5, 5 );
TQRect r7( 0, height() / 2 - 3, 5, 5 );
TQRect r8( width()- 5, height() / 2 - 3, 5, 5 );
if ( r1.contains( ev->pos() ) || r3.contains( ev->pos() ) )
setCursor( sizeFDiagCursor );
else if ( r2.contains( ev->pos() ) || r4.contains( ev->pos() ) )
setCursor( sizeBDiagCursor );
else if ( r5.contains( ev->pos() ) || r6.contains( ev->pos() ) )
setCursor( sizeVerCursor );
else if ( r7.contains( ev->pos() ) || r8.contains( ev->pos() ) )
setCursor( sizeHorCursor );
else
setCursor( KCursor::handCursor() );
}
else
setCursor( KCursor::handCursor() );
}
void KoFrame::mouseReleaseEvent( TQMouseEvent* )
{
d->m_mode = -1;
}
void KoFrame::resizeEvent( TQResizeEvent* )
{
if ( !d->m_view )
return;
if ( d->m_state == Active || d->m_state == Selected )
d->m_view->setGeometry( 5, 5, width() - 10, height() - 10 );
else
d->m_view->setGeometry( 0, 0, width(), height() );
emit geometryChanged();
}
bool KoFrame::eventFilter( TQObject* obj, TQEvent* ev )
{
if ( TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(d->m_view) && KParts::PartActivateEvent::test( ev ) )
{
kdDebug(30003) << "Activate event"<< endl;
KParts::PartActivateEvent* e = (KParts::PartActivateEvent*)ev;
if ( e->part() == (KParts::Part *)d->m_view->koDocument() )
{
if ( e->activated() )
setState( Active );
else
setState( Inactive );
}
}
else if ( TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(d->m_view) && KParts::PartSelectEvent::test( ev ) )
{
kdDebug(30003) << "Selected event" << endl;
KParts::PartSelectEvent* e = (KParts::PartSelectEvent*)ev;
if ( e->part() == (KParts::Part *)d->m_view->koDocument() )
{
if ( e->selected() )
setState( Selected );
else
setState( Inactive );
}
}
return false;
}
#include <KoFrame.moc>