Extend search pane

The search term line edit can now be hidden away and the options are
hidden too too if they are all disabled.

Change-Id: I2363d010acbdabb2abfc6c6cd2f98c07cd7d3a3d
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/coreplugin/find/finddialog.ui

@@ -55,7 +55,7 @@
     </layout>
    </item>
    <item row="1" column="0">
-    <widget class="QLabel" name="label_2">
+    <widget class="QLabel" name="searchLabel">
      <property name="text">
       <string>Sear&amp;ch for:</string>
      </property>
@@ -73,7 +73,16 @@
       <property name="spacing">
        <number>0</number>
       </property>
-      <property name="margin">
+      <property name="leftMargin">
+       <number>0</number>
+      </property>
+      <property name="topMargin">
+       <number>0</number>
+      </property>
+      <property name="rightMargin">
+       <number>0</number>
+      </property>
+      <property name="bottomMargin">
        <number>0</number>
       </property>
       <item>
@@ -103,9 +112,18 @@
     </widget>
    </item>
    <item row="2" column="1">
-    <widget class="QWidget" name="widget" native="true">
+    <widget class="QWidget" name="optionsWidget" native="true">
      <layout class="QHBoxLayout" name="horizontalLayout">
-      <property name="margin">
+      <property name="leftMargin">
+       <number>0</number>
+      </property>
+      <property name="topMargin">
+       <number>0</number>
+      </property>
+      <property name="rightMargin">
+       <number>0</number>
+      </property>
+      <property name="bottomMargin">
        <number>0</number>
       </property>
       <item>

src/plugins/coreplugin/find/findtoolwindow.cpp

@@ -147,6 +147,13 @@ void FindToolWindow::updateButtonStates()
     if (m_configWidget)
         m_configWidget->setEnabled(filterEnabled);
 
+    if (m_currentFilter) {
+        m_ui.searchTerm->setVisible(m_currentFilter->showSearchTermInput());
+        m_ui.searchLabel->setVisible(m_currentFilter->showSearchTermInput());
+        m_ui.optionsWidget->setVisible(m_currentFilter->supportedFindFlags()
+                                       & (FindCaseSensitively | FindWholeWords | FindRegularExpression));
+    }
+
     m_ui.matchCase->setEnabled(filterEnabled
                                && (m_currentFilter->supportedFindFlags() & FindCaseSensitively));
     m_ui.wholeWords->setEnabled(filterEnabled

src/plugins/coreplugin/find/ifindfilter.cpp

@@ -142,6 +142,14 @@
     your find filter supports global search and replace.
 */
 
+/*!
+    \fn bool showSearchTermInput() const
+    Returns whether the find filter wants to show the search term line edit.
+
+    The default value is \c true, override this function to return \c false, if
+    your find filter does not want to show the search term line edit.
+*/
+
 /*!
     \fn void IFindFilter::findAll(const QString &txt, Core::FindFlags findFlags)
     This function is called when the user selected this find scope and
@@ -227,7 +235,8 @@ QKeySequence IFindFilter::defaultShortcut() const
 FindFlags IFindFilter::supportedFindFlags() const
 {
     return FindCaseSensitively
-            | FindRegularExpression | FindWholeWords;
+         | FindRegularExpression
+         | FindWholeWords;
 }
 
 QPixmap IFindFilter::pixmapForFindFlags(FindFlags flags)

src/plugins/coreplugin/find/ifindfilter.h

@@ -50,6 +50,7 @@ public:
     virtual bool isValid() const { return true; }
     virtual QKeySequence defaultShortcut() const;
     virtual bool isReplaceSupported() const { return false; }
+    virtual bool showSearchTermInput() const { return true; }
     virtual FindFlags supportedFindFlags() const;
 
     virtual void findAll(const QString &txt, FindFlags findFlags) = 0;

src/plugins/cpptools/symbolsfindfilter.cpp

@@ -100,11 +100,6 @@ void SymbolsFindFilter::setPaused(bool paused)
         watcher->setPaused(paused);
 }
 
-FindFlags SymbolsFindFilter::supportedFindFlags() const
-{
-    return FindCaseSensitively | FindRegularExpression | FindWholeWords;
-}
-
 void SymbolsFindFilter::findAll(const QString &txt, FindFlags findFlags)
 {
     SearchResultWindow *window = SearchResultWindow::instance();

src/plugins/cpptools/symbolsfindfilter.h

@@ -56,7 +56,6 @@ public:
     QString id() const;
     QString displayName() const;
     bool isEnabled() const;
-    Core::FindFlags supportedFindFlags() const;
 
     void findAll(const QString &txt, Core::FindFlags findFlags);