QGIS custom widgets plugins for Qt Designer

CMakeLists.txt

@@ -46,6 +46,9 @@ IF(WITH_MAPSERVER)
   SET (MAPSERVER_SKIP_ECW FALSE CACHE BOOL "Determines whether QGIS mapserver should disable ECW (ECW in server apps requires a special license)")
 ENDIF(WITH_MAPSERVER)
 
+# Custom widgets
+SET (WITH_CUSTOM_WIDGETS TRUE CACHE BOOL "Determines whether QGIS custom widgets for Qt Designer should be built")
+
 # build our version of astyle
 SET (WITH_ASTYLE FALSE CACHE BOOL "If you plan to contribute you should reindent with scripts/prepare-commit.sh (using 'our' astyle)")
 
@@ -229,10 +232,13 @@ SET(QT_USE_QTNETWORK 1)
 SET(QT_USE_QTSVG 1)
 SET(QT_USE_QTSQL 1)
 SET(QT_USE_QTWEBKIT 1)
+IF (WITH_CUSTOM_WIDGETS)
+  SET(QT_USE_QTDESIGNER 1)
+ENDIF (WITH_CUSTOM_WIDGETS)
 
-IF (NOT QT_QTXML_FOUND OR NOT QT_QTNETWORK_FOUND OR NOT QT_QTSVG_FOUND OR NOT QT_QTSQL_FOUND OR NOT QT_QTWEBKIT_FOUND)
+IF (NOT QT_QTXML_FOUND OR NOT QT_QTNETWORK_FOUND OR NOT QT_QTSVG_FOUND OR NOT QT_QTSQL_FOUND OR NOT QT_QTWEBKIT_FOUND OR (WITH_CUSTOM_WIDGETS AND NOT QT_QTDESIGNER_FOUND))
   MESSAGE(SEND_ERROR "Some Qt4 modules haven't been found!")
-ENDIF (NOT QT_QTXML_FOUND OR NOT QT_QTNETWORK_FOUND OR NOT QT_QTSVG_FOUND OR NOT QT_QTSQL_FOUND OR NOT QT_QTWEBKIT_FOUND)
+ENDIF (NOT QT_QTXML_FOUND OR NOT QT_QTNETWORK_FOUND OR NOT QT_QTSVG_FOUND OR NOT QT_QTSQL_FOUND OR NOT QT_QTWEBKIT_FOUND OR (WITH_CUSTOM_WIDGETS AND NOT QT_QTDESIGNER_FOUND))
 
 IF (WITH_QTMOBILITY)
     FIND_PACKAGE(QtMobility 1.1.0)
@@ -282,7 +288,6 @@ IF (ENABLE_TESTS)
   add_custom_target(check-no-x COMMAND xvfb-run --server-args="-screen 10,1024x768x24" ctest --output-on-failure)
 ENDIF (ENABLE_TESTS)
 
-
 INCLUDE( ${QT_USE_FILE} )
 
 # Disable automatic conversion from QString to ASCII 8-bit strings (char *)
@@ -533,6 +538,7 @@ SET (QGIS_LIBEXEC_DIR ${QGIS_LIBEXEC_SUBDIR})
 SET (QGIS_DATA_DIR    ${QGIS_DATA_SUBDIR})
 SET (QGIS_PLUGIN_DIR  ${QGIS_PLUGIN_SUBDIR})
 SET (QGIS_INCLUDE_DIR ${QGIS_INCLUDE_SUBDIR})
+SET (QGIS_CUSTOMWIDGETS_DIR ${QT_PLUGINS_DIR}/designer)
 
 # set the default locations where the targets (executables, libraries) will land when compiled
 # this is to allow running qgis from the source tree without having to actually do a "make install"
@@ -552,6 +558,7 @@ IF (UNIX AND NOT APPLE)
   SET (QGIS_MANUAL_DIR  ${CMAKE_INSTALL_PREFIX}/${QGIS_MANUAL_SUBDIR})
 ENDIF (UNIX AND NOT APPLE)
 
+
 #############################################################
 # Python bindings
 
@@ -577,6 +584,10 @@ IF (WITH_BINDINGS)
     SET(PYTHON_SITE_PACKAGES_DIR ${QGIS_DATA_DIR}/python)
   ENDIF (NOT BINDINGS_GLOBAL_INSTALL)
 
+  IF (WITH_CUSTOM_WIDGETS)
+    SET(PYUIC_WIDGET_PLUGIN_DIRECTORY ${PYQT4_MOD_DIR}/uic/widget-plugins/)
+  ENDIF (WITH_CUSTOM_WIDGETS)
+
 ENDIF (WITH_BINDINGS)
 
 # Set QSCINTILLA_VERSION_STR to that of module, if no headers found

python/CMakeLists.txt

@@ -180,6 +180,9 @@ SET(PY_FILES
   __init__.py
   utils.py
 )
+IF(WITH_CUSTOM_WIDGETS)
+	INSTALL(FILES custom_widgets/qgis_customwidgets.py DESTINATION "${PYUIC_WIDGET_PLUGIN_DIRECTORY}")
+ENDIF(WITH_CUSTOM_WIDGETS)
 
 ADD_CUSTOM_TARGET(pyutils ALL)
 INSTALL(FILES ${PY_FILES} DESTINATION "${QGIS_PYTHON_DIR}")

python/__init__.py

@@ -24,6 +24,7 @@
 __revision__ = '$Format:%H$'
 
 import sip
+
 try:
     apis = ["QDate", "QDateTime", "QString", "QTextStream", "QTime", "QUrl", "QVariant"]
     for api in apis:

python/custom_widgets/qgis_customwidgets.py

@@ -0,0 +1,49 @@
+# -*- coding: utf-8 -*-
+
+"""
+***************************************************************************
+    customwidgets.py
+    ---------------------
+    Date                 : May 2014
+    Copyright            : (C) 2014 by Denis Rouzaud
+    Email                : denis.rouzaud@gmail.com
+***************************************************************************
+*                                                                         *
+*   This program is free software; you can redistribute it and/or modify  *
+*   it under the terms of the GNU General Public License as published by  *
+*   the Free Software Foundation; either version 2 of the License, or     *
+*   (at your option) any later version.                                   *
+*                                                                         *
+***************************************************************************
+"""
+
+"""
+This file is used by pyuic to redirect includes
+in custom widgets to the correct QGIS python packages.
+It is copied on installation in /pythonX/dist-packages/PyQt4/uic/widget-plugins/
+"""
+
+#pluginType = CW_FILTER
+#def getFilter():
+#	import qgis.gui
+#
+#	QGIS_widgets = {}
+#	for pyClass in dir(qgis.gui):
+#		QGIS_widgets[pyClass] = 'qgis.gui'
+#
+#	def _QGISfilter(widgetname, baseclassname, module):
+#		print widgetname, baseclassname, module
+#		if widgetname in QGIS_widgets:
+#			return (MATCH, (widgetname, baseclassname, QGIS_widgets[widgetname]))
+#		else:
+#			return (NO_MATCH, None)
+#			
+#	return _QGISfilter
+
+
+
+pluginType = MODULE
+def moduleInformation():
+	import qgis.gui
+	return "qgis.gui", dir(qgis.gui)
+

python/gui/qgsmaplayercombobox.sip

@@ -16,25 +16,20 @@ class QgsMapLayerComboBox : QComboBox
      */
     explicit QgsMapLayerComboBox( QWidget *parent /TransferThis/ = 0 );
 
-    /**
-     * @brief setFilters allows fitering according to layer type and/or geometry type.
-     */
+    //! setFilters allows fitering according to layer type and/or geometry type.
     void setFilters( QgsMapLayerProxyModel::Filters filters );
 
-    /**
-     * @brief currentLayer returns the current layer selected in the combo box
-     */
+    //! currently used filter on list layers
+    QgsMapLayerProxyModel::Filters filters();
+
+    ///! currentLayer returns the current layer selected in the combo box
     QgsMapLayer* currentLayer();
 
   public slots:
-    /**
-     * @brief setLayer set the current layer selected in the combo
-     */
+    //! setLayer set the current layer selected in the combo
     void setLayer( QgsMapLayer* layer );
 
   signals:
-    /**
-     * @brief layerChanged this signal is emitted whenever the currently selected layer changes
-     */
+    //! layerChanged this signal is emitted whenever the currently selected layer changes
     void layerChanged( QgsMapLayer* layer );
 };

src/CMakeLists.txt

@@ -20,6 +20,10 @@ IF (WITH_MAPSERVER)
   ADD_SUBDIRECTORY(mapserver)  # TODO: enable again once compilation is fixed
 ENDIF (WITH_MAPSERVER)
 
+IF (WITH_CUSTOM_WIDGETS)
+  ADD_SUBDIRECTORY(customwidgets)
+ENDIF (WITH_CUSTOM_WIDGETS)
+
 IF (WITH_ASTYLE)
   ADD_SUBDIRECTORY(astyle)
 ENDIF(WITH_ASTYLE)

src/app/qgsrasterlayerproperties.cpp

@@ -67,10 +67,11 @@
 #include <QVector>
 
 QgsRasterLayerProperties::QgsRasterLayerProperties( QgsMapLayer* lyr, QgsMapCanvas* theCanvas, QWidget *parent, Qt::WindowFlags fl )
-    : QgsOptionsDialogBase( "RasterLayerProperties", parent, fl ),
+    : QgsOptionsDialogBase( "RasterLayerProperties", parent, fl )
     // Constant that signals property not used.
-    TRSTRING_NOT_SET( tr( "Not Set" ) ),
-    mRasterLayer( qobject_cast<QgsRasterLayer *>( lyr ) ), mRendererWidget( 0 )
+    , TRSTRING_NOT_SET( tr( "Not Set" ) )
+    , mRasterLayer( qobject_cast<QgsRasterLayer *>( lyr ) ), mRendererWidget( 0 )
+    , mMapCanvas( theCanvas )
 {
   mGrayMinimumMaximumEstimated = true;
   mRGBMinimumMaximumEstimated = true;
@@ -81,9 +82,6 @@ QgsRasterLayerProperties::QgsRasterLayerProperties( QgsMapLayer* lyr, QgsMapCanv
   // and connecting QDialogButtonBox's accepted/rejected signals to dialog's accept/reject slots
   initOptionsBase( false );
 
-  mMaximumScaleIconLabel->setPixmap( QgsApplication::getThemePixmap( "/mActionZoomIn.svg" ) );
-  mMinimumScaleIconLabel->setPixmap( QgsApplication::getThemePixmap( "/mActionZoomOut.svg" ) );
-
   connect( this, SIGNAL( accepted() ), this, SLOT( apply() ) );
   connect( buttonBox->button( QDialogButtonBox::Apply ), SIGNAL( clicked() ), this, SLOT( apply() ) );
 
@@ -116,17 +114,9 @@ QgsRasterLayerProperties::QgsRasterLayerProperties( QgsMapLayer* lyr, QgsMapCanv
   connect( lbxPyramidResolutions, SIGNAL( itemSelectionChanged() ), this, SLOT( toggleBuildPyramidsButton() ) );
 
   // set up the scale based layer visibility stuff....
+  mScaleRangeWidget->setMapCanvas( mMapCanvas );
   chkUseScaleDependentRendering->setChecked( lyr->hasScaleBasedVisibility() );
-  bool projectScales = QgsProject::instance()->readBoolEntry( "Scales", "/useProjectScales" );
-  if ( projectScales )
-  {
-    QStringList scalesList = QgsProject::instance()->readListEntry( "Scales", "/ScalesList" );
-    cbMinimumScale->updateScales( scalesList );
-    cbMaximumScale->updateScales( scalesList );
-  }
-  cbMinimumScale->setScale( 1.0 / lyr->minimumScale() );
-  cbMaximumScale->setScale( 1.0 / lyr->maximumScale() );
-
+  mScaleRangeWidget->setScaleRange( 1.0 / lyr->maximumScale(), 1.0 / lyr->minimumScale() ); // caution: layer uses scale denoms, widget uses true scales
 
   leNoDataValue->setValidator( new QDoubleValidator( -std::numeric_limits<double>::max(), std::numeric_limits<double>::max(), 1000, this ) );
 
@@ -141,7 +131,6 @@ QgsRasterLayerProperties::QgsRasterLayerProperties( QgsMapLayer* lyr, QgsMapCanv
   pbnImportTransparentPixelValues->setIcon( QgsApplication::getThemeIcon( "/mActionFileOpen.svg" ) );
   pbnExportTransparentPixelValues->setIcon( QgsApplication::getThemeIcon( "/mActionFileSave.svg" ) );
 
-  mMapCanvas = theCanvas;
   mPixelSelectorTool = 0;
   if ( mMapCanvas )
   {
@@ -856,8 +845,9 @@ void QgsRasterLayerProperties::apply()
 
   // set up the scale based layer visibility stuff....
   mRasterLayer->toggleScaleBasedVisibility( chkUseScaleDependentRendering->isChecked() );
-  mRasterLayer->setMinimumScale( 1.0 / cbMinimumScale->scale() );
-  mRasterLayer->setMaximumScale( 1.0 / cbMaximumScale->scale() );
+  // caution: layer uses scale denoms, widget uses true scales
+  mRasterLayer->setMaximumScale( 1.0 / mScaleRangeWidget->minimumScale() );
+  mRasterLayer->setMinimumScale( 1.0 / mScaleRangeWidget->maximumScale() );
 
   //update the legend pixmap
   // pixmapLegend->setPixmap( mRasterLayer->legendAsPixmap() );
@@ -1717,16 +1707,6 @@ void QgsRasterLayerProperties::toggleBuildPyramidsButton()
   }
 }
 
-void QgsRasterLayerProperties::on_mMinimumScaleSetCurrentPushButton_clicked()
-{
-  cbMinimumScale->setScale( 1.0 / QgisApp::instance()->mapCanvas()->mapSettings().scale() );
-}
-
-void QgsRasterLayerProperties::on_mMaximumScaleSetCurrentPushButton_clicked()
-{
-  cbMaximumScale->setScale( 1.0 / QgisApp::instance()->mapCanvas()->mapSettings().scale() );
-}
-
 void QgsRasterLayerProperties::on_mResetColorRenderingBtn_clicked()
 {
   mBlendModeComboBox->setBlendMode( QPainter::CompositionMode_SourceOver );

src/app/qgsrasterlayerproperties.h

@@ -98,8 +98,6 @@ class APP_EXPORT QgsRasterLayerProperties : public QgsOptionsDialogBase, private
     void on_pbnSaveStyleAs_clicked();
     /** Help button */
     void on_buttonBox_helpRequested() { QgsContextHelp::run( metaObject()->className() ); }
-    void on_mMinimumScaleSetCurrentPushButton_clicked();
-    void on_mMaximumScaleSetCurrentPushButton_clicked();
 
     /** Slot to reset all color rendering options to default
      * @note added in 1.9

src/app/qgsvectorlayerproperties.cpp

@@ -81,8 +81,7 @@ QgsVectorLayerProperties::QgsVectorLayerProperties(
   // and connecting QDialogButtonBox's accepted/rejected signals to dialog's accept/reject slots
   initOptionsBase( false );
 
-  mMaximumScaleIconLabel->setPixmap( QgsApplication::getThemePixmap( "/mActionZoomIn.svg" ) );
-  mMinimumScaleIconLabel->setPixmap( QgsApplication::getThemePixmap( "/mActionZoomOut.svg" ) );
+
 
   connect( buttonBox->button( QDialogButtonBox::Apply ), SIGNAL( clicked() ), this, SLOT( apply() ) );
   connect( this, SIGNAL( accepted() ), this, SLOT( apply() ) );
@@ -360,7 +359,7 @@ void QgsVectorLayerProperties::syncToLayer( void )
                                   "layer is shown here. To enter or modify the query, click on the Query Builder button" ) );
 
   //see if we are dealing with a pg layer here
-  grpSubset->setEnabled( true );
+  mSubsetGroupBox->setEnabled( true );
   txtSubsetSQL->setText( layer->subsetString() );
   // if the user is allowed to type an adhoc query, the app will crash if the query
   // is bad. For this reason, the sql box is disabled and the query must be built
@@ -386,16 +385,9 @@ void QgsVectorLayerProperties::syncToLayer( void )
   setDisplayField( layer-> displayField() );
 
   // set up the scale based layer visibility stuff....
-  chkUseScaleDependentRendering->setChecked( layer->hasScaleBasedVisibility() );
-  bool projectScales = QgsProject::instance()->readBoolEntry( "Scales", "/useProjectScales" );
-  if ( projectScales )
-  {
-    QStringList scalesList = QgsProject::instance()->readListEntry( "Scales", "/ScalesList" );
-    cbMinimumScale->updateScales( scalesList );
-    cbMaximumScale->updateScales( scalesList );
-  }
-  cbMinimumScale->setScale( 1.0 / layer->minimumScale() );
-  cbMaximumScale->setScale( 1.0 / layer->maximumScale() );
+  mScaleRangeWidget->setScaleRange( 1.0 / layer->maximumScale(), 1.0 / layer->minimumScale() ); // caution: layer uses scale denoms, widget uses true scales
+  mScaleVisibilityGroupBox->setChecked( layer->hasScaleBasedVisibility() );
+  mScaleRangeWidget->setMapCanvas( QgisApp::instance()->mapCanvas() );
 
   // get simplify drawing configuration
   const QgsVectorSimplifyMethod& simplifyMethod = layer->simplifyMethod();
@@ -491,7 +483,7 @@ void QgsVectorLayerProperties::apply()
   //
   // Set up sql subset query if applicable
   //
-  grpSubset->setEnabled( true );
+  mSubsetGroupBox->setEnabled( true );
 
   if ( txtSubsetSQL->toPlainText() != layer->subsetString() )
   {
@@ -501,9 +493,10 @@ void QgsVectorLayerProperties::apply()
   }
 
   // set up the scale based layer visibility stuff....
-  layer->toggleScaleBasedVisibility( chkUseScaleDependentRendering->isChecked() );
-  layer->setMinimumScale( 1.0 / cbMinimumScale->scale() );
-  layer->setMaximumScale( 1.0 / cbMaximumScale->scale() );
+  layer->toggleScaleBasedVisibility( mScaleVisibilityGroupBox->isChecked() );
+  // caution: layer uses scale denoms, widget uses true scales
+  layer->setMaximumScale( 1.0 / mScaleRangeWidget->minimumScale() );
+  layer->setMinimumScale( 1.0 / mScaleRangeWidget->maximumScale() );
 
   // provider-specific options
   if ( layer->dataProvider() )
@@ -1110,16 +1103,6 @@ void QgsVectorLayerProperties::enableLabelOptions( bool theFlag )
   labelOptionsFrame->setEnabled( theFlag );
 }
 
-void QgsVectorLayerProperties::on_mMinimumScaleSetCurrentPushButton_clicked()
-{
-  cbMinimumScale->setScale( 1.0 / QgisApp::instance()->mapCanvas()->mapSettings().scale() );
-}
-
-void QgsVectorLayerProperties::on_mMaximumScaleSetCurrentPushButton_clicked()
-{
-  cbMaximumScale->setScale( 1.0 / QgisApp::instance()->mapCanvas()->mapSettings().scale() );
-}
-
 void QgsVectorLayerProperties::on_mSimplifyDrawingGroupBox_toggled( bool checked )
 {
   if ( !( layer->dataProvider()->capabilities() & QgsVectorDataProvider::SimplifyGeometries ) )

src/app/qgsvectorlayerproperties.h

@@ -20,6 +20,7 @@
 #define QGSVECTORLAYERPROPERTIES
 
 #include "qgsoptionsdialogbase.h"
+#include "qgsscalerangewidget.h"
 #include "ui_qgsvectorlayerpropertiesbase.h"
 #include "qgisgui.h"
 #include "qgsaddattrdialog.h"
@@ -116,9 +117,6 @@ class APP_EXPORT QgsVectorLayerProperties : public QgsOptionsDialogBase, private
     void on_mButtonAddJoin_clicked();
     void on_mButtonRemoveJoin_clicked();
 
-    void on_mMinimumScaleSetCurrentPushButton_clicked();
-    void on_mMaximumScaleSetCurrentPushButton_clicked();
-
     void on_mSimplifyDrawingGroupBox_toggled( bool checked );
 
   signals: