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path: root/microkde/KDGanttMinimizeSplitter.cpp
authorzautrix <zautrix>2005-04-21 12:32:52 (UTC)
committer zautrix <zautrix>2005-04-21 12:32:52 (UTC)
commit0a13a3490ec3bf4735e3435f80f58fa7d50b4448 (patch) (side-by-side diff)
treec7f28c49b52e479f47da0dce9f0bfe9189ecdca4 /microkde/KDGanttMinimizeSplitter.cpp
parent4d96d7b681ce99d76746a843c289b75f5e7dba64 (diff)
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rubberband fix
Diffstat (limited to 'microkde/KDGanttMinimizeSplitter.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r--microkde/KDGanttMinimizeSplitter.cpp21
1 files changed, 18 insertions, 3 deletions
diff --git a/microkde/KDGanttMinimizeSplitter.cpp b/microkde/KDGanttMinimizeSplitter.cpp
index fb5d4e3..72c4e60 100644
--- a/microkde/KDGanttMinimizeSplitter.cpp
+++ b/microkde/KDGanttMinimizeSplitter.cpp
@@ -1,385 +1,400 @@
/* -*- Mode: C++ -*-
$Id$
*/
/****************************************************************************
** Copyright (C) 2002-2004 Klarälvdalens Datakonsult AB. All rights reserved.
**
** This file is part of the KDGantt library.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid commercial KDGantt licenses may use this file in
** accordance with the KDGantt Commercial License Agreement provided with
** the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.klaralvdalens-datakonsult.se/Public/products/ for
** information about KDGantt Commercial License Agreements.
**
** Contact info@klaralvdalens-datakonsult.se if any conditions of this
** licensing are not clear to you.
**
** As a special exception, permission is given to link this program
** with any edition of Qt, and distribute the resulting executable,
** without including the source code for Qt in the source distribution.
**
**********************************************************************/
#include "KDGanttMinimizeSplitter.h"
#ifndef QT_NO_SPLITTER___
#include "qpainter.h"
#include "qdrawutil.h"
#include "qbitmap.h"
#if QT_VERSION >= 0x030000
#include "qptrlist.h"
#include "qmemarray.h"
#else
#include <qlist.h>
#include <qarray.h>
#define QPtrList QList
#define QMemArray QArray
#endif
#include "qlayoutengine_p.h"
#include "qobjectlist.h"
#include "qstyle.h"
#include "qapplication.h" //sendPostedEvents
#include <qvaluelist.h>
#include <qcursor.h>
+#include <qframe.h>
#ifndef KDGANTT_MASTER_CVS
//#include "KDGanttMinimizeSplitter.moc"
#endif
#ifndef DOXYGEN_SKIP_INTERNAL
#if QT_VERSION >= 232
static int mouseOffset;
static int opaqueOldPos = -1; //### there's only one mouse, but this is a bit risky
+class KDRubberBand: public QFrame
+{
+public:
+ KDRubberBand( QWidget *parent, const char * name, WFlags f ) :QFrame ( parent, name, f ) {;}
+
+protected:
+ virtual void mousePressEvent ( QMouseEvent * )
+ {
+ close();
+ };
+
+};
KDGanttSplitterHandle::KDGanttSplitterHandle( Qt::Orientation o,
KDGanttMinimizeSplitter *parent, const char * name )
: QWidget( parent, name ), _activeButton( 0 ), _collapsed( false )
{
if ( QApplication::desktop()->width() > 320 && QApplication::desktop()->width() < 650 ) {
mSizeHint = QSize(7,7);
mUseOffset = true;
} else {
mSizeHint = QSize(6,6);
mUseOffset = false;
}
s = parent;
setOrientation(o);
setMouseTracking( true );
mMouseDown = false;
//setMaximumHeight( 5 ); // test only
}
QSize KDGanttSplitterHandle::sizeHint() const
{
return mSizeHint;
}
void KDGanttSplitterHandle::setOrientation( Qt::Orientation o )
{
orient = o;
#ifndef QT_NO_CURSOR
if ( o == KDGanttMinimizeSplitter::Horizontal )
setCursor( splitHCursor );
else
setCursor( splitVCursor );
#endif
}
void KDGanttSplitterHandle::mouseMoveEvent( QMouseEvent *e )
{
updateCursor( e->pos() );
if ( !(e->state()&LeftButton) )
return;
if ( _activeButton != 0)
return;
QCOORD pos = s->pick(parentWidget()->mapFromGlobal(e->globalPos()))
- mouseOffset;
if ( opaque() ) {
s->moveSplitter( pos, id() );
} else {
int min = pos; int max = pos;
s->getRange( id(), &min, &max );
s->setRubberband( QMAX( min, QMIN(max, pos )));
}
_collapsed = false;
}
void KDGanttSplitterHandle::mousePressEvent( QMouseEvent *e )
{
if ( e->button() == LeftButton ) {
_activeButton = onButton( e->pos() );
mouseOffset = s->pick(e->pos());
mMouseDown = true;
repaint();
updateCursor( e->pos() );
}
}
void KDGanttSplitterHandle::updateCursor( const QPoint& p)
{
if ( onButton( p ) != 0 ) {
setCursor( arrowCursor );
}
else {
if ( orient == KDGanttMinimizeSplitter::Horizontal )
setCursor( splitHCursor );
else
setCursor( splitVCursor );
}
}
void KDGanttSplitterHandle::toggle()
{
int pos;
int min, max;
if ( !_collapsed ) {
s->expandPos( id(), &min, &max );
if ( s->minimizeDirection() == KDGanttMinimizeSplitter::Left
|| s->minimizeDirection() == KDGanttMinimizeSplitter::Up ) {
pos = min;
}
else {
pos = max;
}
_origPos = s->pick(mapToParent( QPoint( 0,0 ) ));
s->moveSplitter( pos, id() );
_collapsed = true;
}
else {
s->moveSplitter( _origPos, id() );
_collapsed = false;
}
repaint();
}
void KDGanttSplitterHandle::mouseReleaseEvent( QMouseEvent *e )
{
mMouseDown = false;
if ( _activeButton != 0 ) {
if ( onButton( e->pos() ) == _activeButton )
{
toggle();
}
_activeButton = 0;
updateCursor( e->pos() );
}
else {
if ( !opaque() && e->button() == LeftButton ) {
QCOORD pos = s->pick(parentWidget()->mapFromGlobal(e->globalPos()))
- mouseOffset;
s->setRubberband( -1 );
s->moveSplitter( pos, id() );
}
}
- if ( s->rubberBand() )
- s->rubberBand()->hide();
+ if ( s->rubberBand() ) {
+ //qDebug("hide rubberband ");
+ s->rubberBand()->close();
+ }
repaint();
}
int KDGanttSplitterHandle::onButton( const QPoint& p )
{
QValueList<QPointArray> list = buttonRegions();
int index = 1;
int add = 12;
for( QValueList<QPointArray>::Iterator it = list.begin(); it != list.end(); ++it ) {
QRect rect = (*it).boundingRect();
rect.setLeft( rect.left()- add );
rect.setRight( rect.right() + add);
rect.setTop( rect.top()- add );
rect.setBottom( rect.bottom() + add);
if ( rect.contains( p ) ) {
return index;
}
index++;
}
return 0;
}
QValueList<QPointArray> KDGanttSplitterHandle::buttonRegions()
{
QValueList<QPointArray> list;
int sw = 8;
int yyy = 1;
int xxx = 1;
int voffset[] = { (int) -sw*3, (int) sw*3 };
for ( int i = 0; i < 2; i++ ) {
QPointArray arr;
if ( !_collapsed && s->minimizeDirection() == KDGanttMinimizeSplitter::Right ||
_collapsed && s->minimizeDirection() == KDGanttMinimizeSplitter::Left) {
int mid = height()/2 + voffset[i];
arr.setPoints( 3,
1-xxx, mid - sw + 4,
sw-3-xxx, mid,
1-xxx, mid + sw -4);
}
else if ( !_collapsed && s->minimizeDirection() == KDGanttMinimizeSplitter::Left ||
_collapsed && s->minimizeDirection() == KDGanttMinimizeSplitter::Right ) {
int mid = height()/2 + voffset[i];
arr.setPoints( 3,
sw-4, mid - sw + 4,
0, mid,
sw-4, mid + sw - 4);
}
else if ( !_collapsed && s->minimizeDirection() == KDGanttMinimizeSplitter::Up ||
_collapsed && s->minimizeDirection() == KDGanttMinimizeSplitter::Down) {
int mid = width()/2 + voffset[i];
arr.setPoints( 3,
mid - sw + 4, sw-4,
mid, 0,
mid + sw - 4, sw-4 );
}
else if ( !_collapsed && s->minimizeDirection() == KDGanttMinimizeSplitter::Down ||
_collapsed && s->minimizeDirection() == KDGanttMinimizeSplitter::Up ) {
int mid = width()/2 + voffset[i];
arr.setPoints( 3,
mid - sw + 4, 1-yyy,
mid, sw-3-yyy,
mid + sw -4, 1-yyy);
}
list.append( arr );
}
return list;
}
void KDGanttSplitterHandle::paintEvent( QPaintEvent * )
{
QPixmap buffer( size() );
QPainter p( &buffer );
//LR
// Draw the splitter rectangle
p.setBrush( colorGroup().background() );
p.setPen( colorGroup().foreground() );
//p.drawRect( rect() );
#ifndef DESKTOP_VERSION
if ( mMouseDown && ! _activeButton)
buffer.fill( colorGroup().background().dark() );
else
#endif
buffer.fill( colorGroup().background() );
//buffer.fill( backgroundColor() );
// parentWidget()->style().drawPrimitive( QStyle::PE_Panel, &p, rect(), parentWidget()->colorGroup());
int sw = 8; // Hardcoded, given I didn't use styles anymore, I didn't like to use their size
// arrow color
QColor col;
if ( _activeButton )
col = colorGroup().background().dark( 250 );
else {
if ( mMouseDown )
col = Qt::white;
else
col = colorGroup().background().dark( 150 );
}
//QColor col = backgroundColor().dark( 130 );
p.setBrush( col );
p.setPen( col );
QValueList<QPointArray> list = buttonRegions();
int index = 1;
if ( mUseOffset )
p.translate( 0, 1 );
for ( QValueList<QPointArray>::Iterator it = list.begin(); it != list.end(); ++it ) {
if ( index == _activeButton ) {
/*
if ( ! _collapsed ) {
p.save();
// p.translate( parentWidget()->style().pixelMetric( QStyle::PM_ButtonShiftHorizontal ),
// parentWidget()->style().pixelMetric( QStyle::PM_ButtonShiftVertical ) );
p.translate( -1, 0 );
p.drawPolygon( *it, true );
p.restore(); } else
*/
p.drawPolygon( *it, true );
}
else {
/*
if ( ! _collapsed ) {
p.save();
p.translate( -1, 0 );
p.drawPolygon( *it, true );
p.restore();
} else
*/
p.drawPolygon( *it, true );
}
index++;
}
// Draw the lines between the arrows
if ( s->minimizeDirection() == KDGanttMinimizeSplitter::Left ||
s->minimizeDirection() == KDGanttMinimizeSplitter::Right ) {
int mid = height()/2;
p.drawLine ( 1, mid - sw, 1, mid + sw );
p.drawLine ( 3, mid - sw, 3, mid + sw );
}
else if ( s->minimizeDirection() == KDGanttMinimizeSplitter::Up ||
s->minimizeDirection() == KDGanttMinimizeSplitter::Down ) {
int mid = width()/2;
p.drawLine( mid -sw, 1, mid +sw, 1 );
p.drawLine( mid -sw, 3, mid +sw, 3 );
}
bitBlt( this, 0, 0, &buffer );
}
#endif
class QSplitterLayoutStruct
{
public:
KDGanttMinimizeSplitter::ResizeMode mode;
QCOORD sizer;
bool isSplitter;
QWidget *wid;
};
class QSplitterData
{
public:
QSplitterData() : opaque( FALSE ), firstShow( TRUE ) {}
QPtrList<QSplitterLayoutStruct> list;
bool opaque;
bool firstShow;
};
void kdganttGeomCalc( QMemArray<QLayoutStruct> &chain, int start, int count, int pos,
int space, int spacer );
#endif // DOXYGEN_SKIP_INTERNAL
/*!
\class KDGanttMinimizeSplitter KDGanttMinimizeSplitter.h
\brief The KDGanttMinimizeSplitter class implements a splitter
widget with minimize buttons.
This class (and its documentation) is largely a copy of Qt's
QSplitter; the copying was necessary because QSplitter is not
extensible at all. QSplitter and its documentation are licensed
according to the GPL and the Qt Professional License (if you hold
such a license) and are (C) Trolltech AS.
@@ -492,385 +507,385 @@ void KDGanttMinimizeSplitter::init()
data = new QSplitterData;
if ( orient == Horizontal )
setSizePolicy( QSizePolicy(QSizePolicy::Expanding,QSizePolicy::Minimum) );
else
setSizePolicy( QSizePolicy(QSizePolicy::Minimum,QSizePolicy::Expanding) );
#ifndef DESKTOP_VERSION
setOpaqueResize( false );
#else
setOpaqueResize( true );
#endif
}
#endif
void KDGanttMinimizeSplitter::toggle()
{
if ( mFirstHandle )
mFirstHandle->toggle();
else
qDebug("KDGanttMinimizeSplitter::toggle::sorry, handle not available ");
}
/*!
\brief the orientation of the splitter
By default the orientation is horizontal (the widgets are side by side).
The possible orientations are Qt:Vertical and Qt::Horizontal (the default).
*/
void KDGanttMinimizeSplitter::setOrientation( Orientation o )
{
#if QT_VERSION >= 232
if ( orient == o )
return;
orient = o;
if ( orient == Horizontal )
setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Minimum ) );
else
setSizePolicy( QSizePolicy( QSizePolicy::Minimum, QSizePolicy::Expanding ) );
QSplitterLayoutStruct *s = data->list.first();
while ( s ) {
if ( s->isSplitter )
((KDGanttSplitterHandle*)s->wid)->setOrientation( o );
s = data->list.next(); // ### next at end of loop, no iterator
}
recalc( isVisible() );
#endif
}
#if QT_VERSION >= 232
/*!
\reimp
*/
void KDGanttMinimizeSplitter::resizeEvent( QResizeEvent * )
{
doResize();
}
/*
Inserts the widget \a w at the end (or at the beginning if \a first
is TRUE) of the splitter's list of widgets.
It is the responsibility of the caller of this function to make sure
that \a w is not already in the splitter and to call recalcId if
needed. (If \a first is TRUE, then recalcId is very probably
needed.)
*/
QSplitterLayoutStruct *KDGanttMinimizeSplitter::addWidget( QWidget *w, bool first )
{
QSplitterLayoutStruct *s;
KDGanttSplitterHandle *newHandle = 0;
if ( data->list.count() > 0 ) {
s = new QSplitterLayoutStruct;
s->mode = KeepSize;
QString tmp = "qt_splithandle_";
tmp += w->name();
newHandle = new KDGanttSplitterHandle( orientation(), this, tmp.latin1() );
if ( ! mFirstHandle )
mFirstHandle = newHandle;
s->wid = newHandle;
newHandle->setId(data->list.count());
s->isSplitter = TRUE;
s->sizer = pick( newHandle->sizeHint() );
if ( first )
data->list.insert( 0, s );
else
data->list.append( s );
}
s = new QSplitterLayoutStruct;
s->mode = Stretch;
s->wid = w;
if ( !testWState( WState_Resized ) && w->sizeHint().isValid() )
s->sizer = pick( w->sizeHint() );
else
s->sizer = pick( w->size() );
s->isSplitter = FALSE;
if ( first )
data->list.insert( 0, s );
else
data->list.append( s );
if ( newHandle && isVisible() )
newHandle->show(); //will trigger sending of post events
return s;
}
/*!
Tells the splitter that a child widget has been inserted or removed.
The event is passed in \a c.
*/
void KDGanttMinimizeSplitter::childEvent( QChildEvent *c )
{
if ( c->type() == QEvent::ChildInserted ) {
if ( !c->child()->isWidgetType() )
return;
if ( ((QWidget*)c->child())->testWFlags( WType_TopLevel ) )
return;
QSplitterLayoutStruct *s = data->list.first();
while ( s ) {
if ( s->wid == c->child() )
return;
s = data->list.next();
}
addWidget( (QWidget*)c->child() );
recalc( isVisible() );
} else if ( c->type() == QEvent::ChildRemoved ) {
QSplitterLayoutStruct *p = 0;
if ( data->list.count() > 1 )
p = data->list.at(1); //remove handle _after_ first widget.
QSplitterLayoutStruct *s = data->list.first();
while ( s ) {
if ( s->wid == c->child() ) {
data->list.removeRef( s );
delete s;
if ( p && p->isSplitter ) {
data->list.removeRef( p );
delete p->wid; //will call childEvent
delete p;
}
recalcId();
doResize();
return;
}
p = s;
s = data->list.next();
}
}
}
/*!
Shows a rubber band at position \a p. If \a p is negative, the
rubber band is removed.
*/
void KDGanttMinimizeSplitter::setRubberband( int p )
{
#ifdef DESKTOP_VERSION
QPainter paint( this );
paint.setPen( gray );
paint.setBrush( gray );
paint.setRasterOp( XorROP );
QRect r = contentsRect();
const int rBord = 3; //Themable????
#if QT_VERSION >= 0x030000
int sw = style().pixelMetric(QStyle::PM_SplitterWidth, this);
#else
int sw = style().splitterWidth();
#endif
if ( orient == Horizontal ) {
if ( opaqueOldPos >= 0 )
paint.drawRect( opaqueOldPos + sw/2 - rBord , r.y(),
2*rBord, r.height() );
if ( p >= 0 )
paint.drawRect( p + sw/2 - rBord, r.y(), 2*rBord, r.height() );
} else {
if ( opaqueOldPos >= 0 )
paint.drawRect( r.x(), opaqueOldPos + sw/2 - rBord,
r.width(), 2*rBord );
if ( p >= 0 )
paint.drawRect( r.x(), p + sw/2 - rBord, r.width(), 2*rBord );
}
opaqueOldPos = p;
#else
if ( !mRubberBand ) {
- mRubberBand = new QFrame( 0, "rubber", WStyle_NoBorder | WStyle_Customize | WStyle_StaysOnTop);
+ mRubberBand = new KDRubberBand( 0, "rubber", WStyle_NoBorder | WStyle_Customize | WStyle_StaysOnTop);
mRubberBand->setFrameStyle( Box | Raised );
//mRubberBand->setPalette( QPalette ( Qt::red.light(),Qt::red.dark() ) );
mRubberBand->setPalette( QPalette ( colorGroup().background().light(), colorGroup().background().dark() ));
}
QRect r = contentsRect();
static int rBord = 0; //Themable????
if ( !rBord ) {
if (QApplication::desktop()->width() <= 320 )
rBord = 3;
else
rBord = 4;
}
int sw = style().splitterWidth();
if ( orient == Horizontal ) {
if ( p >= 0 ) {
QPoint geo = mapToGlobal (QPoint ( p + sw/2 - rBord, r.y()));
mRubberBand->setGeometry( geo.x(), geo.y(), 2*rBord, r.height() );
}
} else {
if ( p >= 0 ) {
QPoint geo = mapToGlobal (QPoint ( r.x(), p + sw/2 - rBord));
mRubberBand->setGeometry( geo.x(), geo.y(), r.width(), 2*rBord);
}
}
opaqueOldPos = p;
if ( ! mRubberBand->isVisible() ) {
mRubberBand->show();
}
#endif
}
/*! \reimp */
bool KDGanttMinimizeSplitter::event( QEvent *e )
{
if ( e->type() == QEvent::LayoutHint || ( e->type() == QEvent::Show && data->firstShow ) ) {
recalc( isVisible() );
if ( e->type() == QEvent::Show )
data->firstShow = FALSE;
}
return QWidget::event( e );
}
/*!
\obsolete
Draws the splitter handle in the rectangle described by \a x, \a y,
\a w, \a h using painter \a p.
\sa QStyle::drawPrimitive()
*/
void KDGanttMinimizeSplitter::drawSplitter( QPainter *p,
QCOORD x, QCOORD y, QCOORD w, QCOORD h )
{
#if 0
// LR
style().drawPrimitive(QStyle::PE_Splitter, p, QRect(x, y, w, h), colorGroup(),
(orientation() == Qt::Horizontal ?
QStyle::Style_Horizontal : 0));
#endif
}
/*!
Returns the id of the splitter to the right of or below the widget \a w,
or 0 if there is no such splitter
(i.e. it is either not in this KDGanttMinimizeSplitter or it is at the end).
*/
int KDGanttMinimizeSplitter::idAfter( QWidget* w ) const
{
QSplitterLayoutStruct *s = data->list.first();
bool seen_w = FALSE;
while ( s ) {
if ( s->isSplitter && seen_w )
return data->list.at();
if ( !s->isSplitter && s->wid == w )
seen_w = TRUE;
s = data->list.next();
}
return 0;
}
/*!
Moves the left/top edge of the splitter handle with id \a id as
close as possible to position \a p, which is the distance from the
left (or top) edge of the widget.
For Arabic and Hebrew the layout is reversed, and using this
function to set the position of the splitter might lead to
unexpected results, since in Arabic and Hebrew the position of
splitter one is to the left of the position of splitter zero.
\sa idAfter()
*/
void KDGanttMinimizeSplitter::moveSplitter( QCOORD p, int id )
{
p = adjustPos( p, id );
QSplitterLayoutStruct *s = data->list.at(id);
int oldP = orient == Horizontal ? s->wid->x() : s->wid->y();
bool upLeft;
if ( false && orient == Horizontal ) {
p += s->wid->width();
upLeft = p > oldP;
} else
upLeft = p < oldP;
moveAfter( p, id, upLeft );
moveBefore( p-1, id-1, upLeft );
storeSizes();
}
void KDGanttMinimizeSplitter::setG( QWidget *w, int p, int s, bool isSplitter )
{
if ( orient == Horizontal ) {
if ( false && orient == Horizontal && !isSplitter )
p = contentsRect().width() - p - s;
w->setGeometry( p, contentsRect().y(), s, contentsRect().height() );
} else
w->setGeometry( contentsRect().x(), p, contentsRect().width(), s );
}
/*
Places the right/bottom edge of the widget at \a id at position \a pos.
\sa idAfter()
*/
void KDGanttMinimizeSplitter::moveBefore( int pos, int id, bool upLeft )
{
if( id < 0 )
return;
QSplitterLayoutStruct *s = data->list.at(id);
if ( !s )
return;
QWidget *w = s->wid;
if ( w->isHidden() ) {
moveBefore( pos, id-1, upLeft );
} else if ( s->isSplitter ) {
int pos1, pos2;
int dd = s->sizer;
if( false && orient == Horizontal ) {
pos1 = pos;
pos2 = pos + dd;
} else {
pos2 = pos - dd;
pos1 = pos2 + 1;
}
if ( upLeft ) {
setG( w, pos1, dd, TRUE );
moveBefore( pos2, id-1, upLeft );
} else {
moveBefore( pos2, id-1, upLeft );
setG( w, pos1, dd, TRUE );
}
} else {
int dd, newLeft, nextPos;
if( false && orient == Horizontal ) {
dd = w->geometry().right() - pos;
dd = QMAX( pick(minSize(w)), QMIN(dd, pick(w->maximumSize())));
newLeft = pos+1;
nextPos = newLeft + dd;
} else {
dd = pos - pick( w->pos() ) + 1;
dd = QMAX( pick(minSize(w)), QMIN(dd, pick(w->maximumSize())));
newLeft = pos-dd+1;
nextPos = newLeft - 1;
}
setG( w, newLeft, dd, TRUE );
moveBefore( nextPos, id-1, upLeft );
}
}
/*
Places the left/top edge of the widget at \a id at position \a pos.
\sa idAfter()
*/
void KDGanttMinimizeSplitter::moveAfter( int pos, int id, bool upLeft )
{
QSplitterLayoutStruct *s = id < int(data->list.count()) ?
data->list.at(id) : 0;
if ( !s )
return;
QWidget *w = s->wid;
if ( w->isHidden() ) {
moveAfter( pos, id+1, upLeft );
} else if ( pick( w->pos() ) == pos ) {
//No need to do anything if it's already there.