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/* -*- Mode: C++ -*-
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$Id$
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*/
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/****************************************************************************
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** Copyright (C) 2002-2004 Klar<61>lvdalens Datakonsult AB. All rights reserved.
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**
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** This file is part of the KDGantt library.
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.
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**
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** Licensees holding valid commercial KDGantt licenses may use this file in
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** accordance with the KDGantt Commercial License Agreement provided with
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** the Software.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** See http://www.klaralvdalens-datakonsult.se/Public/products/ for
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** information about KDGantt Commercial License Agreements.
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**
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** Contact info@klaralvdalens-datakonsult.se if any conditions of this
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** licensing are not clear to you.
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**
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** As a special exception, permission is given to link this program
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** with any edition of TQt, and distribute the resulting executable,
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** without including the source code for TQt in the source distribution.
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**
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**********************************************************************/
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#include "KDGanttSemiSizingControl.h"
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#include <tqpushbutton.h>
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#include <tqpointarray.h>
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#include <tqpainter.h>
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#include <tqbitmap.h>
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#include <tqtooltip.h>
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#include <tqwhatsthis.h>
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/*!
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\class KDGanttSemiSizingControl KDGanttSemiSizingControl.h
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This class provides exactly one child widget with a button for
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minimizing and restoring. You can also specify a so-called minimize
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widget that will be shown in place of the child widget while the
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latter one is minimized. While the child widget is not minimized,
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the minimize widget will not be visible.
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If you add more than one child widget (besides the minimize widget),
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only the last one added will be visible.
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*/
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/*!
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Constructs an empty semi sizing control with horizontal
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orientation and the control arrow button on top of the controlled
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widget.
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\param tqparent the tqparent widget. This parameter is passed to the
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base class.
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\param name the internal widget name. This parameter is passed to
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the base class.
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*/
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KDGanttSemiSizingControl::KDGanttSemiSizingControl( TQWidget* tqparent,
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const char* name ) :
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KDGanttSizingControl( tqparent, name ), _orient( Qt::Horizontal ),
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_arrowPos( Before ), _minimizedWidget(0), _maximizedWidget(0)
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{
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init();
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}
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/*!
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Constructs an empty semi sizing control with the specified
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orientation and the control arrow button either on top or left of
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the controlled widget (depending on the orientation).
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\param orientation the orientation of the splitter
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\param tqparent the tqparent widget. This parameter is passed to the
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base class.
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\param name the internal widget name. This parameter is passed to
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the base class.
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*/
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KDGanttSemiSizingControl::KDGanttSemiSizingControl( Qt::Orientation orientation,
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TQWidget* tqparent,
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const char* name ) :
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KDGanttSizingControl( tqparent, name ), _orient( orientation ),
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_arrowPos( Before ), _minimizedWidget(0), _maximizedWidget(0)
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{
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init();
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}
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/*!
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Constructs an empty semi sizing control with the specified
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orientation and position of the control arrow button.
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\param arrowPosition specifies whether the control arrow button
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should appear before or after the controlled widget
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\param orientation the orientation of the splitter
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\param tqparent the tqparent widget. This parameter is passed to the
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base class.
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\param name the internal widget name. This parameter is passed to
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the base class.
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*/
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KDGanttSemiSizingControl::KDGanttSemiSizingControl( ArrowPosition arrowPosition,
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Qt::Orientation orientation,
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TQWidget* tqparent,
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const char* name ) :
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KDGanttSizingControl( tqparent, name ), _orient( orientation ),
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_arrowPos( arrowPosition ), _minimizedWidget(0), _maximizedWidget(0)
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{
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init();
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}
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/*!
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Specifies the widget that should be shown while the child widget is
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minimized. This so-called minimize widget should be a child widget
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of the KDGanttSemiSizingControl.
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\param widget the minimize widget
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\sa minimizedWidget()
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*/
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void KDGanttSemiSizingControl::setMinimizedWidget( TQWidget* widget )
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{
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_minimizedWidget = widget;
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if( _minimizedWidget ) _minimizedWidget->hide();
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setup();
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}
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/*!
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Returns the widget that is shown while the child widget is
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minimized.
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\return the minimize widget
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\sa setMinimizedWidget()
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*/
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TQWidget* KDGanttSemiSizingControl::minimizedWidget() const
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{
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return _minimizedWidget;
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}
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/*!
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Specifies the widget that should be shown while the child widget is
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maximized. This so-called maximize widget should be a child widget
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of the KDGanttSemiSizingControl.
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\param widget the minimize widget
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\sa maximizedWidget()
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*/
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void KDGanttSemiSizingControl::setMaximizedWidget( TQWidget* widget )
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{
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_maximizedWidget = widget;
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//if( _maximizedWidget ) _maximizedWidget->show();
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setup();
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}
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/*!
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Returns the widget that is shown while the child widget is
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maximized.
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\return the maximize widget
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\sa setMaximizedWidget()
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*/
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TQWidget* KDGanttSemiSizingControl::maximizedWidget() const
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{
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return _maximizedWidget;
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}
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/*!
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Sets the orientation of the simple sizing control.
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\param orientation the new orientation
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\sa orientation()
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*/
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void KDGanttSemiSizingControl::setOrientation( Qt::Orientation orientation )
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{
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if ( _orient != orientation ) {
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_orient = orientation;
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setup();
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}
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}
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/*!
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Returns the orientation of the simple sizing control.
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\return the orientation
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\sa setOrientation()
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*/
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Qt::Orientation KDGanttSemiSizingControl::orientation() const
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{
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return _orient;
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}
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/*!
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Returns the position of the control arrow button.
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\param arrowPosition the position of the control arrow button
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\sa arrowPosition()
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*/
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void KDGanttSemiSizingControl::setArrowPosition( ArrowPosition arrowPosition )
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{
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if ( _arrowPos != arrowPosition ) {
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_arrowPos = arrowPosition;
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setup();
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}
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}
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/*!
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Returns the position of the control arrow button.
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\return the position of the control arrow button
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\sa setArrowPosition()
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*/
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KDGanttSemiSizingControl::ArrowPosition KDGanttSemiSizingControl::arrowPosition() const
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{
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return _arrowPos;
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}
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/*!
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\enum KDGanttSemiSizingControl::ArrowPosition
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This enum is used for specifying whether the control arrow button
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should appear before (on top of, left of) or after (below, right of)
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the controlled widget.
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*/
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void KDGanttSemiSizingControl::init()
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{
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_but = new TQPushButton( this );
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_but->tqsetSizePolicy( TQSizePolicy( TQSizePolicy::Fixed, TQSizePolicy::Fixed ) );
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connect( _but, TQT_SIGNAL( clicked() ), this, TQT_SLOT(changeState()) );
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_tqlayout = 0;
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TQWhatsThis::add( _but, "Click on this button to show the \nlegend at the bottom of the widget");
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TQToolTip::add( _but, "Show / hide legend");
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}
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void KDGanttSemiSizingControl::setup()
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{
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//-------------------------------------------------- Setup tqlayout
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delete _tqlayout;
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TQBoxLayout* butLayout; // _tqlayout will delete me
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if ( _orient == Qt::Horizontal || isMinimized() )
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_tqlayout = new TQHBoxLayout( this );
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else
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_tqlayout = new TQVBoxLayout( this );
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if ( _orient == Qt::Vertical && !isMinimized() )
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butLayout = new TQHBoxLayout( _tqlayout );
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else
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butLayout = new TQVBoxLayout( _tqlayout );
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//---------------------------------------- Set the arrow on the button
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if ( !isMinimized() ) {
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_but->setPixmap( pixmap( Down ) );
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}
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else {
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if ( _arrowPos == Before ) {
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_but->setPixmap( pixmap( Right ) );
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}
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else {
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_but->setPixmap( pixmap( Left ) );
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}
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}
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//------------------------------ Setup the button at the correct possition
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if ( _arrowPos == After && _orient == Qt::Vertical && !isMinimized() ) {
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butLayout->addStretch( 1 );
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butLayout->addWidget( _but, 0, TQt::AlignLeft );
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}
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else {
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butLayout->addWidget( _but, 0, TQt::AlignRight );
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butLayout->addStretch( 1 );
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}
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// Set widget in the correct possition
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TQWidget* widget;
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/* ************************** old code ***************
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if ( isMinimized() )
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widget = _minimizedWidget;
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else
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widget = _maximizedWidget;
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if( widget ) {
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if ( _arrowPos == Before || _orient == Qt::Vertical && !isMinimized() )
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_tqlayout->addWidget( widget, 1 );
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else
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_tqlayout->insertWidget( 0, widget, 1 );
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}
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************************************************** */
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// hack for the usage in KDGantt as pop-up legend widget
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// for this purpose,
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// the _maximizedWidget must be a child of the tqparent of this widget
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if ( isMinimized() ) {
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widget = _minimizedWidget;
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if( widget ) {
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if ( _arrowPos == Before || _orient == Qt::Vertical && !isMinimized() )
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_tqlayout->addWidget( widget, 1 );
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else
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_tqlayout->insertWidget( 0, widget, 1 );
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}
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}
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else {
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if ( _arrowPos == Before || _orient == Qt::Vertical && !isMinimized() )
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_tqlayout->addStretch( 1 );
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else
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_tqlayout->insertStretch( 0, 1 );
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widget = _maximizedWidget;
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// the following is only the special case
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// arrowPos == Before and _orient == Qt::Vertical
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//widget->move( 0+x(), _but->height()+y());
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}
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}
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/*!
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Restores or minimizes the child widget. \a minimize() does exactly the
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opposite to this method.
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\param restore true to restore, false to minimize
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\sa minimize()
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*/
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void KDGanttSemiSizingControl::restore( bool restore )
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{
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if ( ! restore ) {
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minimize( true );
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}
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else {
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if( _maximizedWidget ) _maximizedWidget->show();
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if( _minimizedWidget ) _minimizedWidget->hide();
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KDGanttSizingControl::restore( restore );
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setup();
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}
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}
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/*!
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Restores or minimizes the child widget. \a restore() does exactly the
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opposite to this method.
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\param minimize true to minimize, false to restore
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\sa restore()
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*/
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void KDGanttSemiSizingControl::minimize( bool minimize )
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{
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if ( ! minimize ) {
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restore( true );
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}
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else {
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if( _minimizedWidget ) _minimizedWidget->show();
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if( _maximizedWidget ) _maximizedWidget->hide();
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KDGanttSizingControl::minimize( minimize );
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setup();
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}
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}
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TQPixmap KDGanttSemiSizingControl::pixmap( Direction direction ) {
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int s = 10;
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TQPixmap pix( s, s );
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pix.fill( blue );
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TQPointArray arr;
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switch ( direction ) {
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case Up: arr.setPoints( 3, 0, s-1, s-1, s-1, 0, s/2 ); ;break;
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case Down: arr.setPoints( 3, 0, 0, s-1, 0, s/2, s-1 ); break;
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case Left: arr.setPoints( 3, s-1, 0, s-1, s-1, 0, s/2 ); break;
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case Right: arr.setPoints( 3, 0,0, s-1, s/2, 0, s-1 ); break;
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}
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TQPainter p( &pix );
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p.setPen( black );
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p.setBrush( tqcolorGroup().button() );
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p.drawPolygon( arr );
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TQBitmap bit( s, s );
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bit.fill( color0 );
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TQPainter p2( &bit );
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p2.setPen( color1 );
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p2.setBrush( color1 );
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p2.drawPolygon( arr );
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pix.setMask( bit );
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return pix;
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}
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#ifndef KDGANTT_MASTER_CVS
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#include "KDGanttSemiSizingControl.moc"
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#endif
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