Bad layers indicator

images/images.qrc

@@ -718,6 +718,7 @@
         <file>themes/default/mActionReverseLine.svg</file>
         <file>themes/default/mActionAdd3DMap.svg</file>
         <file>themes/default/mIndicatorNonRemovable.svg</file>
+        <file>themes/default/mIndicatorBadLayer.svg</file>
         <file>themes/default/mIconFolder.svg</file>
         <file>themes/default/mIconFolderHome.svg</file>
         <file>themes/default/mIconFolderLink.svg</file>

images/themes/default/mIndicatorBadLayer.svg

@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   height="16"
+   width="16"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="mIndicatorBadLayer.svg">
+  <metadata
+     id="metadata12">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs10" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="2399"
+     inkscape:window-height="1418"
+     id="namedview8"
+     showgrid="false"
+     inkscape:zoom="83.4386"
+     inkscape:cx="12.748756"
+     inkscape:cy="5.9247031"
+     inkscape:window-x="435"
+     inkscape:window-y="344"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" />
+  <path
+     style="fill:none;fill-rule:evenodd;stroke:#2c2c2c;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:0.70588237"
+     d="M 2.8164423,12.943861 7.9702617,3.8470446 13.222692,12.94452 Z"
+     id="path4178"
+     inkscape:connector-curvature="0"
+     sodipodi:nodetypes="cccc" />
+  <path
+     style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+     d="m 7.9012131,6.7183861 0,3.5932209"
+     id="path4180"
+     inkscape:connector-curvature="0" />
+  <path
+     style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:1px;stroke-linecap:round;stroke-linejoin:bevel;stroke-opacity:1"
+     d="m 7.8899553,11.212798 c 0.011985,0.131834 0.00197,0.201347 0.00197,0.201347"
+     id="path4182"
+     inkscape:connector-curvature="0"
+     sodipodi:nodetypes="cc" />
+</svg>

src/app/CMakeLists.txt

@@ -64,6 +64,7 @@ SET(QGIS_APP_SRCS
   qgslayertreeviewfilterindicator.cpp
   qgslayertreeviewmemoryindicator.cpp
   qgslayertreeviewnonremovableindicator.cpp
+  qgslayertreeviewbadlayerindicatorprovider.cpp
   qgsmapcanvasdockwidget.cpp
   qgsmaplayerstylecategoriesmodel.cpp
   qgsmaplayerstyleguiutils.cpp
@@ -293,6 +294,7 @@ SET (QGIS_APP_MOC_HDRS
   qgslayertreeviewmemoryindicator.h
   qgslayertreeviewfilterindicator.h
   qgslayertreeviewnonremovableindicator.h
+  qgslayertreeviewbadlayerindicatorprovider.h
   qgsmapcanvasdockwidget.h
   qgsmaplayerstylecategoriesmodel.h
   qgsmaplayerstyleguiutils.h

src/app/qgisapp.cpp

@@ -209,6 +209,7 @@ Q_GUI_EXPORT extern int qt_defaultDpiX();
 #include "qgslayertreeviewembeddedindicator.h"
 #include "qgslayertreeviewfilterindicator.h"
 #include "qgslayertreeviewmemoryindicator.h"
+#include "qgslayertreeviewbadlayerindicatorprovider.h"
 #include "qgslayertreeviewnonremovableindicator.h"
 #include "qgslayout.h"
 #include "qgslayoutatlas.h"
@@ -3891,6 +3892,7 @@ void QgisApp::initLayerTreeView()
   new QgsLayerTreeViewFilterIndicatorProvider( mLayerTreeView );  // gets parented to the layer view
   new QgsLayerTreeViewEmbeddedIndicatorProvider( mLayerTreeView );  // gets parented to the layer view
   new QgsLayerTreeViewMemoryIndicatorProvider( mLayerTreeView );  // gets parented to the layer view
+  new QgsLayerTreeViewBadLayerIndicatorProvider( mLayerTreeView );  // gets parented to the layer view
   new QgsLayerTreeViewNonRemovableIndicatorProvider( mLayerTreeView );  // gets parented to the layer view
 
   setupLayerTreeViewFromSettings();