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qt3/tools/designer/editor/arghintwidget.cpp

240 lines
5.9 KiB

/**********************************************************************
** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
**
** This file is part of Qt Designer.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** Licensees holding valid Qt Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#include "arghintwidget.h"
#include <qbutton.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qpainter.h>
#include <qpixmap.h>
static const char * left_xpm[] = {
"16 16 3 1",
" c None",
". c #FFFFFF",
"+ c #000000",
" ",
" ",
" + ",
" ++ ",
" +++ ",
" ++++ ",
" +++++ ",
" ++++++ ",
" ++++++ ",
" +++++ ",
" ++++ ",
" +++ ",
" ++ ",
" + ",
" ",
" "};
static const char * right_xpm[] = {
"16 16 3 1",
" c None",
". c #FFFFFF",
"+ c #000000",
" ",
" ",
" + ",
" ++ ",
" +++ ",
" ++++ ",
" +++++ ",
" ++++++ ",
" ++++++ ",
" +++++ ",
" ++++ ",
" +++ ",
" ++ ",
" + ",
" ",
" "};
static const char * left_disabled_xpm[] = {
"16 16 3 1",
" c None",
". c #FFFFFF",
"+ c darkgray",
" ",
" ",
" + ",
" ++ ",
" +++ ",
" ++++ ",
" +++++ ",
" ++++++ ",
" ++++++ ",
" +++++ ",
" ++++ ",
" +++ ",
" ++ ",
" + ",
" ",
" "};
static const char * right_disabled_xpm[] = {
"16 16 3 1",
" c None",
". c #FFFFFF",
"+ c darkgray",
" ",
" ",
" + ",
" ++ ",
" +++ ",
" ++++ ",
" +++++ ",
" ++++++ ",
" ++++++ ",
" +++++ ",
" ++++ ",
" +++ ",
" ++ ",
" + ",
" ",
" "};
class ArrowButton : public QButton
{
Q_OBJECT
public:
enum Dir { Left, Right };
ArrowButton( QWidget *parent, const char *name, Dir d );
void drawButton( QPainter *p );
private:
QPixmap pix, pix_disabled;
};
ArrowButton::ArrowButton( QWidget *parent, const char *name, Dir d )
: QButton( parent, name )
{
setFixedSize( 16, 16 );
if ( d == Left ) {
pix = QPixmap( left_xpm );
pix_disabled = QPixmap( left_disabled_xpm );
} else {
pix = QPixmap( right_xpm );
pix_disabled = QPixmap( right_disabled_xpm );
}
}
void ArrowButton::drawButton( QPainter *p )
{
if ( isDown() )
p->fillRect( 0, 0, width(), height(), darkGray );
else
p->fillRect( 0, 0, width(), height(), lightGray );
if ( isEnabled() )
p->drawPixmap( 0, 0, pix );
else
p->drawPixmap( 0, 0, pix_disabled );
}
ArgHintWidget::ArgHintWidget( QWidget *parent, const char*name )
: QFrame( parent, name, WType_Popup ), curFunc( 0 ), numFuncs( 0 )
{
setFrameStyle( QFrame::Box | QFrame::Plain );
setLineWidth( 1 );
setBackgroundColor( white );
QHBoxLayout *hbox = new QHBoxLayout( this );
hbox->setMargin( 1 );
hbox->addWidget( ( prev = new ArrowButton( this, "editor_left_btn", ArrowButton::Left ) ) );
hbox->addWidget( ( funcLabel = new QLabel( this, "editor_func_lbl" ) ) );
hbox->addWidget( ( next = new ArrowButton( this, "editor_right_btn", ArrowButton::Right ) ) );
funcLabel->setBackgroundColor( white );
funcLabel->setAlignment( AlignCenter );
connect( prev, SIGNAL( clicked() ), this, SLOT( gotoPrev() ) );
connect( next, SIGNAL( clicked() ), this, SLOT( gotoNext() ) );
updateState();
setFocusPolicy( NoFocus );
prev->setFocusPolicy( NoFocus );
next->setFocusPolicy( NoFocus );
funcLabel->setFocusPolicy( NoFocus );
}
void ArgHintWidget::setFunctionText( int func, const QString &text )
{
funcs.replace( func, text );
if ( func == curFunc ) {
funcLabel->clear();
funcLabel->setText( text );
}
}
void ArgHintWidget::setNumFunctions( int num )
{
funcs.clear();
numFuncs = num;
curFunc = 0;
updateState();
}
void ArgHintWidget::gotoPrev()
{
if ( curFunc > 0 ) {
curFunc--;
funcLabel->setText( funcs[ curFunc ] );
updateState();
}
}
void ArgHintWidget::gotoNext()
{
if ( curFunc < numFuncs - 1 ) {
curFunc++;
funcLabel->setText( funcs[ curFunc ] );
updateState();
}
}
void ArgHintWidget::updateState()
{
prev->setEnabled( curFunc > 0 );
next->setEnabled( curFunc < numFuncs - 1 );
}
void ArgHintWidget::relayout()
{
funcLabel->setText( "" );
funcLabel->setText( funcs[ curFunc ] );
}
#include "arghintwidget.moc"