You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
389 lines
11 KiB
389 lines
11 KiB
/**********************************************************************
|
|
** Copyright (C) 2000 Trolltech AS. All rights reserved.
|
|
**
|
|
** This file is part of Qt Designer.
|
|
**
|
|
** 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 Qt Enterprise Edition or Qt Professional Edition
|
|
** licenses may use this file in accordance with the Qt 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.trolltech.com/gpl/ for GPL licensing information.
|
|
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
|
|
** information about Qt Commercial License Agreements.
|
|
**
|
|
** Contact info@trolltech.com if any conditions of this licensing are
|
|
** not clear to you.
|
|
**
|
|
**********************************************************************/
|
|
|
|
#include <qvariant.h> // HP-UX compiler needs this here
|
|
|
|
#include "sizehandle.h"
|
|
#include "formwindow.h"
|
|
#include "widgetfactory.h"
|
|
|
|
#include <qwidget.h>
|
|
#include <qapplication.h>
|
|
#include <qlabel.h>
|
|
#include <klocale.h>
|
|
|
|
SizeHandle::SizeHandle( FormWindow *parent, Direction d, WidgetSelection *s )
|
|
: QWidget( parent )
|
|
{
|
|
active = TRUE;
|
|
setBackgroundMode( active ? PaletteText : PaletteDark );
|
|
setFixedSize( 6, 6 );
|
|
widget = 0;
|
|
dir =d ;
|
|
setMouseTracking( FALSE );
|
|
formWindow = parent;
|
|
sel = s;
|
|
updateCursor();
|
|
}
|
|
|
|
void SizeHandle::updateCursor()
|
|
{
|
|
if ( !active ) {
|
|
setCursor( arrowCursor );
|
|
return;
|
|
}
|
|
|
|
switch ( dir ) {
|
|
case LeftTop:
|
|
setCursor( sizeFDiagCursor );
|
|
break;
|
|
case Top:
|
|
setCursor( sizeVerCursor );
|
|
break;
|
|
case RightTop:
|
|
setCursor( sizeBDiagCursor );
|
|
break;
|
|
case Right:
|
|
setCursor( sizeHorCursor );
|
|
break;
|
|
case RightBottom:
|
|
setCursor( sizeFDiagCursor );
|
|
break;
|
|
case Bottom:
|
|
setCursor( sizeVerCursor );
|
|
break;
|
|
case LeftBottom:
|
|
setCursor( sizeBDiagCursor );
|
|
break;
|
|
case Left:
|
|
setCursor( sizeHorCursor );
|
|
break;
|
|
}
|
|
}
|
|
|
|
void SizeHandle::setActive( bool a )
|
|
{
|
|
active = a;
|
|
setBackgroundMode( active ? PaletteText : PaletteDark );
|
|
updateCursor();
|
|
}
|
|
|
|
void SizeHandle::setWidget( QWidget *w )
|
|
{
|
|
widget = w;
|
|
}
|
|
|
|
void SizeHandle::paintEvent( QPaintEvent * )
|
|
{
|
|
if ( ( (FormWindow*)parentWidget() )->currentWidget() != widget )
|
|
return;
|
|
QPainter p( this );
|
|
p.setPen( blue );
|
|
p.drawRect( 0, 0, width(), height() );
|
|
}
|
|
|
|
void SizeHandle::mousePressEvent( QMouseEvent *e )
|
|
{
|
|
if ( !widget || e->button() != LeftButton || !active )
|
|
return;
|
|
oldPressPos = e->pos();
|
|
geom = origGeom = QRect( widget->pos(), widget->size() );
|
|
}
|
|
|
|
void SizeHandle::mouseMoveEvent( QMouseEvent *e )
|
|
{
|
|
if ( !widget || ( e->state() & LeftButton ) != LeftButton || !active )
|
|
return;
|
|
QPoint rp = mapFromGlobal( e->globalPos() );
|
|
QPoint d = oldPressPos - rp;
|
|
oldPressPos = rp;
|
|
QPoint checkPos = widget->parentWidget()->mapFromGlobal( e->globalPos() );
|
|
QRect pr = widget->parentWidget()->rect();
|
|
|
|
// ##### move code around a bit to reduce duplicated code here
|
|
switch ( dir ) {
|
|
case LeftTop: {
|
|
if ( checkPos.x() > pr.width() - 2 * width() || checkPos.y() > pr.height() - 2 * height() )
|
|
return;
|
|
int w = geom.width() + d.x();
|
|
geom.setWidth( w );
|
|
w = ( w / formWindow->grid().x() ) * formWindow->grid().x();
|
|
int h = geom.height() + d.y();
|
|
geom.setHeight( h );
|
|
h = ( h / formWindow->grid().y() ) * formWindow->grid().y();
|
|
int dx = widget->width() - w;
|
|
int dy = widget->height() - h;
|
|
trySetGeometry( widget, widget->x() + dx, widget->y() + dy, w, h );
|
|
} break;
|
|
case Top: {
|
|
if ( checkPos.y() > pr.height() - 2 * height() )
|
|
return;
|
|
int h = geom.height() + d.y();
|
|
geom.setHeight( h );
|
|
h = ( h / formWindow->grid().y() ) * formWindow->grid().y();
|
|
int dy = widget->height() - h;
|
|
trySetGeometry( widget, widget->x(), widget->y() + dy, widget->width(), h );
|
|
} break;
|
|
case RightTop: {
|
|
if ( checkPos.x() < 2 * width() || checkPos.y() > pr.height() - 2 * height() )
|
|
return;
|
|
int h = geom.height() + d.y();
|
|
geom.setHeight( h );
|
|
h = ( h / formWindow->grid().y() ) * formWindow->grid().y();
|
|
int dy = widget->height() - h;
|
|
int w = geom.width() - d.x();
|
|
geom.setWidth( w );
|
|
w = ( w / formWindow->grid().x() ) * formWindow->grid().x();
|
|
trySetGeometry( widget, widget->x(), widget->y() + dy, w, h );
|
|
} break;
|
|
case Right: {
|
|
if ( checkPos.x() < 2 * width() )
|
|
return;
|
|
int w = geom.width() - d.x();
|
|
geom.setWidth( w );
|
|
w = ( w / formWindow->grid().x() ) * formWindow->grid().x();
|
|
tryResize( widget, w, widget->height() );
|
|
} break;
|
|
case RightBottom: {
|
|
if ( checkPos.x() < 2 * width() || checkPos.y() < 2 * height() )
|
|
return;
|
|
int w = geom.width() - d.x();
|
|
geom.setWidth( w );
|
|
w = ( w / formWindow->grid().x() ) * formWindow->grid().x();
|
|
int h = geom.height() - d.y();
|
|
geom.setHeight( h );
|
|
h = ( h / formWindow->grid().y() ) * formWindow->grid().y();
|
|
tryResize( widget, w, h );
|
|
} break;
|
|
case Bottom: {
|
|
if ( checkPos.y() < 2 * height() )
|
|
return;
|
|
int h = geom.height() - d.y();
|
|
geom.setHeight( h );
|
|
h = ( h / formWindow->grid().y() ) * formWindow->grid().y();
|
|
tryResize( widget, widget->width(), h );
|
|
} break;
|
|
case LeftBottom: {
|
|
if ( checkPos.x() > pr.width() - 2 * width() || checkPos.y() < 2 * height() )
|
|
return;
|
|
int w = geom.width() + d.x();
|
|
geom.setWidth( w );
|
|
w = ( w / formWindow->grid().x() ) * formWindow->grid().x();
|
|
int dx = widget->width() - w;
|
|
int h = geom.height() - d.y();
|
|
geom.setHeight( h );
|
|
h = ( h / formWindow->grid().y() ) * formWindow->grid().y();
|
|
trySetGeometry( widget, widget->x() + dx, widget->y(), w, h );
|
|
} break;
|
|
case Left: {
|
|
if ( checkPos.x() > pr.width() - 2 * width() )
|
|
return;
|
|
int w = geom.width() + d.x();
|
|
geom.setWidth( w );
|
|
w = ( w / formWindow->grid().x() ) * formWindow->grid().x();
|
|
int dx = widget->width() - w;
|
|
trySetGeometry( widget, widget->x() + dx, widget->y(), w, widget->height() );
|
|
} break;
|
|
}
|
|
|
|
QPoint p = pos();
|
|
sel->updateGeometry();
|
|
oldPressPos += ( p - pos() );
|
|
|
|
formWindow->sizePreview()->setText( i18n( "%1/%2" ).arg( widget->width() ).arg( widget->height() ) );
|
|
formWindow->sizePreview()->adjustSize();
|
|
QRect lg( formWindow->mapFromGlobal( e->globalPos() ) + QPoint( 16, 16 ),
|
|
formWindow->sizePreview()->size() );
|
|
formWindow->checkPreviewGeometry( lg );
|
|
formWindow->sizePreview()->setGeometry( lg );
|
|
formWindow->sizePreview()->show();
|
|
formWindow->sizePreview()->raise();
|
|
if ( WidgetFactory::layoutType( widget ) != WidgetFactory::NoLayout )
|
|
formWindow->updateChildSelections( widget );
|
|
}
|
|
|
|
void SizeHandle::mouseReleaseEvent( QMouseEvent *e )
|
|
{
|
|
if ( e->button() != LeftButton || !active )
|
|
return;
|
|
|
|
formWindow->sizePreview()->hide();
|
|
if ( geom != widget->geometry() )
|
|
formWindow->commandHistory()->addCommand( new ResizeCommand( i18n( "Resize" ),
|
|
formWindow,
|
|
widget, origGeom,
|
|
widget->geometry() ) );
|
|
formWindow->emitUpdateProperties( widget );
|
|
}
|
|
|
|
void SizeHandle::trySetGeometry( QWidget *w, int x, int y, int width, int height )
|
|
{
|
|
int minw = QMAX( w->minimumSizeHint().width(), w->minimumSize().width() );
|
|
minw = QMAX( minw, 2 * formWindow->grid().x() );
|
|
int minh = QMAX( w->minimumSizeHint().height(), w->minimumSize().height() );
|
|
minh = QMAX( minh, 2 * formWindow->grid().y() );
|
|
if ( QMAX( minw, width ) > w->maximumWidth() ||
|
|
QMAX( minh, height ) > w->maximumHeight() )
|
|
return;
|
|
if ( width < minw && x != w->x() )
|
|
x -= minw - width;
|
|
if ( height < minh && y != w->y() )
|
|
y -= minh - height;
|
|
w->setGeometry( x, y, QMAX( minw, width ), QMAX( minh, height ) );
|
|
}
|
|
|
|
void SizeHandle::tryResize( QWidget *w, int width, int height )
|
|
{
|
|
int minw = QMAX( w->minimumSizeHint().width(), w->minimumSize().width() );
|
|
minw = QMAX( minw, 16 );
|
|
int minh = QMAX( w->minimumSizeHint().height(), w->minimumSize().height() );
|
|
minh = QMAX( minh, 16 );
|
|
w->resize( QMAX( minw, width ), QMAX( minh, height ) );
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
WidgetSelection::WidgetSelection( FormWindow *parent, QPtrDict<WidgetSelection> *selDict )
|
|
: selectionDict( selDict )
|
|
{
|
|
formWindow = parent;
|
|
for ( int i = SizeHandle::LeftTop; i <= SizeHandle::Left; ++i ) {
|
|
handles.insert( i, new SizeHandle( formWindow, (SizeHandle::Direction)i, this ) );
|
|
}
|
|
hide();
|
|
}
|
|
|
|
void WidgetSelection::setWidget( QWidget *w, bool updateDict )
|
|
{
|
|
if ( !w ) {
|
|
hide();
|
|
if ( updateDict )
|
|
selectionDict->remove( wid );
|
|
wid = 0;
|
|
return;
|
|
}
|
|
|
|
wid = w;
|
|
bool active = !wid->parentWidget() || WidgetFactory::layoutType( wid->parentWidget() ) == WidgetFactory::NoLayout;
|
|
for ( int i = SizeHandle::LeftTop; i <= SizeHandle::Left; ++i ) {
|
|
SizeHandle *h = handles[ i ];
|
|
if ( h ) {
|
|
h->setWidget( wid );
|
|
h->setActive( active );
|
|
}
|
|
}
|
|
updateGeometry();
|
|
show();
|
|
if ( updateDict )
|
|
selectionDict->insert( w, this );
|
|
}
|
|
|
|
bool WidgetSelection::isUsed() const
|
|
{
|
|
return wid != 0;
|
|
}
|
|
|
|
void WidgetSelection::updateGeometry()
|
|
{
|
|
if ( !wid || !wid->parentWidget() )
|
|
return;
|
|
|
|
QPoint p = wid->parentWidget()->mapToGlobal( wid->pos() );
|
|
p = formWindow->mapFromGlobal( p );
|
|
QRect r( p, wid->size() );
|
|
|
|
int w = 6;
|
|
int h = 6;
|
|
|
|
for ( int i = SizeHandle::LeftTop; i <= SizeHandle::Left; ++i ) {
|
|
SizeHandle *hndl = handles[ i ];
|
|
if ( !hndl )
|
|
continue;
|
|
switch ( i ) {
|
|
case SizeHandle::LeftTop:
|
|
hndl->move( r.x() - w / 2, r.y() - h / 2 );
|
|
break;
|
|
case SizeHandle::Top:
|
|
hndl->move( r.x() + r.width() / 2 - w / 2, r.y() - h / 2 );
|
|
break;
|
|
case SizeHandle::RightTop:
|
|
hndl->move( r.x() + r.width() - w / 2, r.y() - h / 2 );
|
|
break;
|
|
case SizeHandle::Right:
|
|
hndl->move( r.x() + r.width() - w / 2, r.y() + r.height() / 2 - h / 2 );
|
|
break;
|
|
case SizeHandle::RightBottom:
|
|
hndl->move( r.x() + r.width() - w / 2, r.y() + r.height() - h / 2 );
|
|
break;
|
|
case SizeHandle::Bottom:
|
|
hndl->move( r.x() + r.width() / 2 - w / 2, r.y() + r.height() - h / 2 );
|
|
break;
|
|
case SizeHandle::LeftBottom:
|
|
hndl->move( r.x() - w / 2, r.y() + r.height() - h / 2 );
|
|
break;
|
|
case SizeHandle::Left:
|
|
hndl->move( r.x() - w / 2, r.y() + r.height() / 2 - h / 2 );
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void WidgetSelection::hide()
|
|
{
|
|
for ( int i = SizeHandle::LeftTop; i <= SizeHandle::Left; ++i ) {
|
|
SizeHandle *h = handles[ i ];
|
|
if ( h )
|
|
h->hide();
|
|
}
|
|
}
|
|
|
|
void WidgetSelection::show()
|
|
{
|
|
for ( int i = SizeHandle::LeftTop; i <= SizeHandle::Left; ++i ) {
|
|
SizeHandle *h = handles[ i ];
|
|
if ( h ) {
|
|
h->show();
|
|
h->raise();
|
|
}
|
|
}
|
|
}
|
|
|
|
void WidgetSelection::update()
|
|
{
|
|
for ( int i = SizeHandle::LeftTop; i <= SizeHandle::Left; ++i ) {
|
|
SizeHandle *h = handles[ i ];
|
|
if ( h )
|
|
h->update();
|
|
}
|
|
}
|
|
|
|
QWidget *WidgetSelection::widget() const
|
|
{
|
|
return wid;
|
|
}
|