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Added SIP, fixed qgisapp to use new setter and optimized a bit

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This commit is contained in:
Magnus Homann 2012-09-21 19:09:57 +02:00
parent 01c4ac7d54
commit d1c8884ca1
4 changed files with 43 additions and 26 deletions
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22
python/gui/qgsscalecombobox.sip
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@ -12,6 +12,28 @@ class QgsScaleComboBox : QComboBox
QgsScaleComboBox(QWidget * parent = 0);
~QgsScaleComboBox();
//! Function to read the selected scale as text
// @note added in 2.0
QString scaleString();
//! Function to set the selected scale from text
// @note added in 2.0
bool setScaleString( QString scaleTxt );
//! Function to read the selected scale as double
// @note added in 2.0
double scale();
//! Function to set the selected scale from double
// @note added in 2.0
void setScale( double scale );
//! Helper function to convert a double to scale string
// Performs rounding, so an exact representation is not to
// be expected.
// @note added in 2.0
static QString toString( double scale );
//! Helper function to convert a scale string to double
// @note added in 2.0
static double toDouble( QString scaleString, bool *ok = NULL );
public slots:
void updateScales( const QStringList &scales = QStringList() );
};

19
src/app/qgisapp.cpp
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@ -1467,16 +1467,10 @@ void QgisApp::createStatusBar()
mScaleEdit->setMaximumWidth( 100 );
mScaleEdit->setMaximumHeight( 20 );
mScaleEdit->setContentsMargins( 0, 0, 0, 0 );
// QRegExp validator( "\\d+\\.?\\d*:\\d+\\.?\\d*" );
// QRegExp validator( "\\d+\\.?\\d*:\\d+\\.?\\d*|\\d+\\.?\\d*" );
// mScaleEditValidator = new QRegExpValidator( validator, mScaleEdit );
// mScaleEdit->setValidator( mScaleEditValidator );
mScaleEdit->setWhatsThis( tr( "Displays the current map scale" ) );
mScaleEdit->setToolTip( tr( "Current map scale (formatted as x:y)" ) );
statusBar()->addPermanentWidget( mScaleEdit, 0 );
//connect( mScaleEdit, SIGNAL( currentIndexChanged( const QString & ) ), this, SLOT( userScale() ) );
//connect( mScaleEdit->lineEdit(), SIGNAL( editingFinished() ), this, SLOT( userScale() ) );
connect( mScaleEdit, SIGNAL( scaleChanged() ), this, SLOT( userScale() ) );
//stop rendering status bar widget
@ -5250,15 +5244,10 @@ void QgisApp::showMouseCoordinate( const QgsPoint & p )
void QgisApp::showScale( double theScale )
{
if ( theScale >= 1.0 )
mScaleEdit->setEditText( "1:" + QString::number( theScale, 'f', 0 ) );
else if ( theScale > 0.0 )
mScaleEdit->setEditText( QString::number( 1.0 / theScale, 'f', 0 ) + ":1" );
else
mScaleEdit->setEditText( tr( "Invalid scale" ) );
mOldScale = mScaleEdit->currentText();
// Why has MapCanvas the scale inverted?
mScaleEdit->setScale( 1.0 / theScale );
// Not sure if the lines below do anything meaningful /Homann
if ( mScaleEdit->width() > mScaleEdit->minimumWidth() )
{
mScaleEdit->setMinimumWidth( mScaleEdit->width() );
@ -5267,7 +5256,7 @@ void QgisApp::showScale( double theScale )
void QgisApp::userScale()
{
// Why has MapCanvas the scale inversed?
// Why has MapCanvas the scale inverted?
mMapCanvas->zoomScale( 1.0 / mScaleEdit->scale() );
}

2
src/app/qgisapp.h
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@ -1236,8 +1236,6 @@ class QgisApp : public QMainWindow, private Ui::MainWindow
bool cmpByText( QAction* a, QAction* b );
QString mOldScale;
//! the user has trusted the project macros
bool mTrustedMacros;

26
src/gui/qgsscalecombobox.cpp
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@ -16,6 +16,7 @@
***************************************************************************/
#include "qgis.h"
#include "qgslogger.h"
#include "qgsscalecombobox.h"
#include <QAbstractItemView>
@ -30,7 +31,7 @@ QgsScaleComboBox::QgsScaleComboBox( QWidget* parent ) : QComboBox( parent )
setEditable( true );
setInsertPolicy( QComboBox::NoInsert );
setCompleter( 0 );
connect( this, SIGNAL( currentIndexChanged( const QString & ) ), this, SLOT( fixupScale() ) );
connect( this, SIGNAL( activated( const QString & ) ), this, SLOT( fixupScale() ) );
connect( lineEdit(), SIGNAL( editingFinished() ), this, SLOT( fixupScale() ) );
fixupScale();
}
@ -65,7 +66,7 @@ void QgsScaleComboBox::updateScales( const QStringList &scales )
blockSignals( true );
clear();
addItems( myScalesList );
setEditText( oldScale );
setScaleString( oldScale );
blockSignals( false );
}
@ -148,18 +149,25 @@ void QgsScaleComboBox::fixupScale()
bool ok;
QStringList txtList;
// QgsDebugMsg( QString( "entered with oldScale: %1" ).arg( oldScale ) );
newScale = toDouble( currentText(), &ok );
if ( ok )
{
mScale = newScale;
// Valid string representation
if ( newScale != oldScale )
{
// Scale has change, update.
// QgsDebugMsg( QString( "New scale OK!: %1" ).arg( newScale ) );
mScale = newScale;
setScale( mScale );
emit scaleChanged();
}
}
// We set to the new string representation
// or reset to the old
setScale( mScale );
if ( oldScale != mScale )
else
{
emit scaleChanged();
// Invalid string representation
// Reset to the old
setScale( mScale );
}
}