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Option to set distance from label to the feature. Available for point…
…s and lines.

git-svn-id: http://svn.osgeo.org/qgis/branches/symbology-ng-branch@10907 c8812cc2-4d05-0410-92ff-de0c093fc19c
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wonder committed Jun 12, 2009
1 parent e8a95a5 commit 7100a3b
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Showing 4 changed files with 45 additions and 1 deletion.
8 changes: 8 additions & 0 deletions src/plugins/labeling/labelinggui.cpp
Expand Up @@ -51,13 +51,20 @@ LabelingGui::LabelingGui( PalLabeling* lbl, QString layerId, QWidget* parent )
chkEnableLabeling->setChecked( lyr.enabled );
sliderPriority->setValue( lyr.priority );
chkNoObstacle->setChecked( !lyr.obstacle );
spinDist->setValue( lyr.dist );
}
else
{
// set enabled by default
chkEnableLabeling->setChecked( true );
}

// feature distance available only for points and lines
if (layer()->geometryType() == QGis::Polygon)
{
spinDist->setEnabled( false );
}

btnTextColor->setColor( lyr.textColor );
updateFontPreview( lyr.textFont );
}
Expand Down Expand Up @@ -85,6 +92,7 @@ LayerSettings LabelingGui::layerSettings()
lyr.enabled = chkEnableLabeling->isChecked();
lyr.priority = sliderPriority->value();
lyr.obstacle = !chkNoObstacle->isChecked();
lyr.dist = spinDist->value();

return lyr;
}
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30 changes: 29 additions & 1 deletion src/plugins/labeling/labelingguibase.ui
Expand Up @@ -7,7 +7,7 @@
<x>0</x>
<y>0</y>
<width>354</width>
<height>435</height>
<height>436</height>
</rect>
</property>
<property name="windowTitle">
Expand Down Expand Up @@ -67,6 +67,34 @@
<item row="1" column="1">
<widget class="QComboBox" name="cboFieldName"/>
</item>
<item row="2" column="0">
<widget class="QLabel" name="label_8">
<property name="text">
<string>Label distance</string>
</property>
<property name="alignment">
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
</property>
</widget>
</item>
<item row="2" column="1">
<layout class="QHBoxLayout" name="horizontalLayout_3">
<item>
<widget class="QDoubleSpinBox" name="spinDist">
<property name="decimals">
<number>0</number>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="label_9">
<property name="text">
<string>pixels</string>
</property>
</widget>
</item>
</layout>
</item>
</layout>
</item>
<item>
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7 changes: 7 additions & 0 deletions src/plugins/labeling/pallabeling.cpp
Expand Up @@ -94,6 +94,10 @@ void LayerSettings::registerFeature(QgsFeature& f)

// register feature to the layer
palLayer->registerFeature(lbl->strId(), lbl, labelX, labelY);

// TODO: allow layer-wide feature dist in PAL...?
if (dist != 0)
palLayer->setFeatureDistlabel(lbl->strId(), dist);
}


Expand Down Expand Up @@ -176,6 +180,9 @@ int PalLabeling::prepareLayerHook(void* context, void* layerContext, int& attrIn
PalLabeling* thisClass = (PalLabeling*) context;
LayerSettings* lyr = (LayerSettings*) layerContext;

if (!lyr->enabled)
return 0;

QgsVectorLayer* vlayer = (QgsVectorLayer*) QgsMapLayerRegistry::instance()->mapLayer(lyr->layerId);
if (vlayer == NULL)
return 0;
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1 change: 1 addition & 0 deletions src/plugins/labeling/pallabeling.h
Expand Up @@ -42,6 +42,7 @@ class LayerSettings
bool enabled;
int priority; // 0 = low, 10 = high
bool obstacle; // whether it's an obstacle
double dist; // distance from the feature

// called from register feature hook
void calculateLabelSize(QString text, double& labelX, double& labelY);
Expand Down

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