ProjectExplorer: Allow text filtering in message pane

Change-Id: I7b70f7056c757fcb13634021b8e2dcf0b3a34097
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/coreplugin/messageoutputwindow.cpp

@@ -53,6 +53,8 @@ MessageOutputWindow::MessageOutputWindow()
     QColor activeHighlightedText = p.color(QPalette::Active, QPalette::HighlightedText);
     p.setColor(QPalette::HighlightedText, activeHighlightedText);
     m_widget->setPalette(p);
+    m_widget->setHighlightBgColor(p.color(QPalette::Highlight));
+    m_widget->setHighlightTextColor(p.color(QPalette::HighlightedText));
 
     connect(this, &IOutputPane::zoomIn, m_widget, &Core::OutputWindow::zoomIn);
     connect(this, &IOutputPane::zoomOut, m_widget, &Core::OutputWindow::zoomOut);
@@ -62,6 +64,9 @@ MessageOutputWindow::MessageOutputWindow()
     auto agg = new Aggregation::Aggregate;
     agg->add(m_widget);
     agg->add(new BaseTextFind(m_widget));
+
+    setupFilterUi("MessageOutputPane.Filter");
+    setFilteringEnabled(true);
 }
 
 MessageOutputWindow::~MessageOutputWindow()
@@ -139,5 +144,10 @@ bool MessageOutputWindow::canNavigate() const
     return false;
 }
 
+void MessageOutputWindow::updateFilter()
+{
+    m_widget->setFilterText(filterText());
+}
+
 } // namespace Internal
 } // namespace Core

src/plugins/coreplugin/messageoutputwindow.h

@@ -64,6 +64,8 @@ public:
     bool canNavigate() const override;
 
 private:
+    void updateFilter() override;
+
     OutputWindow *m_widget;
 };
 

src/plugins/coreplugin/outputwindow.cpp

@@ -74,6 +74,7 @@ public:
     QTextCursor cursor;
     QString filterText;
     QTextBlock lastFilteredBlock;
+    QPalette originalPalette;
     OutputWindow::FilterModeFlags filterMode = OutputWindow::FilterModeFlag::Default;
 };
 
@@ -297,21 +298,19 @@ void OutputWindow::setFilterText(const QString &filterText)
 
         // Update textedit's background color
         if (filterText.isEmpty()) {
-            setPalette({});
+            setPalette(d->originalPalette);
+            setReadOnly(d->m_originalReadOnly);
         } else {
+            if (filterTextWasEmpty) {
+                d->m_originalReadOnly = isReadOnly();
+                d->originalPalette = palette();
+            }
             QPalette pal;
             pal.setColor(QPalette::Active, QPalette::Base, d->m_highlightBgColor);
             pal.setColor(QPalette::Inactive, QPalette::Base, d->m_highlightBgColor.darker(120));
             pal.setColor(QPalette::Active, QPalette::Text, d->m_highlightTextColor);
             pal.setColor(QPalette::Inactive, QPalette::Text, d->m_highlightTextColor.darker(120));
             setPalette(pal);
-        }
-
-        if (filterText.isEmpty()) {
-            setReadOnly(d->m_originalReadOnly);
-        } else {
-            if (filterTextWasEmpty)
-                d->m_originalReadOnly = isReadOnly();
             setReadOnly(true);
         }