Add hint to text editor settings pointing to coding style

The tab and indentation settings in Text Editor > Behavior are only used
for non-code files. Add a hint with links to the respective coding style
settings.

Change-Id: I1d7c1154269c4914d511ef6ef3308a2b1f933d52
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>
Reviewed-by: David Schulz <david.schulz@digia.com>

src/plugins/texteditor/behaviorsettingspage.cpp

@@ -44,6 +44,11 @@
 #include <coreplugin/editormanager/editormanager.h>
 #include <utils/hostosinfo.h>
 
+// for opening the respective coding style preferences
+#include <cpptools/cpptoolsconstants.h>
+#include <qmljseditor/qmljseditorconstants.h>
+#include <qmljstools/qmljstoolsconstants.h>
+
 #include <QSettings>
 #include <QTextCodec>
 
@@ -122,6 +127,11 @@ QWidget *BehaviorSettingsPage::createPage(QWidget *parent)
     d->m_pageCodeStyle->setCurrentDelegate(d->m_codeStyle->currentDelegate());
     d->m_page->behaviorWidget->setCodeStyle(d->m_pageCodeStyle);
 
+    TabSettingsWidget *tabSettingsWidget = d->m_page->behaviorWidget->tabSettingsWidget();
+    tabSettingsWidget->setCodingStyleWarningVisible(true);
+    connect(tabSettingsWidget, SIGNAL(codingStyleLinkClicked(TextEditor::TabSettingsWidget::CodingStyleLink)),
+            this, SLOT(openCodingStylePreferences(TextEditor::TabSettingsWidget::CodingStyleLink)));
+
     settingsToUI();
 
     if (d->m_searchKeywords.isEmpty())
@@ -258,3 +268,18 @@ bool BehaviorSettingsPage::matches(const QString &s) const
 {
     return d->m_searchKeywords.contains(s, Qt::CaseInsensitive);
 }
+
+
+void BehaviorSettingsPage::openCodingStylePreferences(TabSettingsWidget::CodingStyleLink link)
+{
+    switch (link) {
+    case TextEditor::TabSettingsWidget::CppLink:
+        Core::ICore::showOptionsDialog(CppTools::Constants::CPP_SETTINGS_CATEGORY,
+                                       CppTools::Constants::CPP_CODE_STYLE_SETTINGS_ID);
+        break;
+    case TextEditor::TabSettingsWidget::QtQuickLink:
+        Core::ICore::showOptionsDialog(QmlJSEditor::Constants::SETTINGS_CATEGORY_QML,
+                                       QmlJSTools::Constants::QML_JS_CODE_STYLE_SETTINGS_ID);
+        break;
+    }
+}

src/plugins/texteditor/behaviorsettingspage.h

@@ -33,6 +33,7 @@
 #include "texteditor_global.h"
 
 #include "texteditoroptionspage.h"
+#include "tabsettingswidget.h"
 
 namespace TextEditor {
 
@@ -79,6 +80,9 @@ signals:
     void behaviorSettingsChanged(const TextEditor::BehaviorSettings &);
     void extraEncodingSettingsChanged(const TextEditor::ExtraEncodingSettings &);
 
+private slots:
+    void openCodingStylePreferences(TextEditor::TabSettingsWidget::CodingStyleLink link);
+
 private:
     void settingsFromUI(TypingSettings *typingSettings,
                         StorageSettings *storageSettings,

src/plugins/texteditor/behaviorsettingswidget.cpp

@@ -30,6 +30,8 @@
 #include "behaviorsettingswidget.h"
 #include "ui_behaviorsettingswidget.h"
 
+#include "tabsettingswidget.h"
+
 #include <texteditor/typingsettings.h>
 #include <texteditor/storagesettings.h>
 #include <texteditor/behaviorsettings.h>
@@ -243,6 +245,11 @@ QString BehaviorSettingsWidget::collectUiKeywords() const
     return keywords;
 }
 
+TabSettingsWidget *BehaviorSettingsWidget::tabSettingsWidget() const
+{
+    return d->m_ui.tabPreferencesWidget->tabSettingsWidget();
+}
+
 void BehaviorSettingsWidget::slotTypingSettingsChanged()
 {
     TypingSettings settings;

src/plugins/texteditor/behaviorsettingswidget.h

@@ -41,6 +41,7 @@ QT_END_NAMESPACE
 namespace TextEditor {
 
 class ICodeStylePreferences;
+class TabSettingsWidget;
 class TypingSettings;
 class StorageSettings;
 class BehaviorSettings;
@@ -77,6 +78,8 @@ public:
 
     QString collectUiKeywords() const;
 
+    TabSettingsWidget *tabSettingsWidget() const;
+
 signals:
     void typingSettingsChanged(const TextEditor::TypingSettings &settings);
     void storageSettingsChanged(const TextEditor::StorageSettings &settings);

src/plugins/texteditor/simplecodestylepreferenceswidget.cpp

@@ -101,7 +101,12 @@ QString SimpleCodeStylePreferencesWidget::searchKeywords() const
 
 void SimpleCodeStylePreferencesWidget::setFlat(bool on)
 {
-     m_tabSettingsWidget->setFlat(on);
+    m_tabSettingsWidget->setFlat(on);
+}
+
+TabSettingsWidget *SimpleCodeStylePreferencesWidget::tabSettingsWidget() const
+{
+    return m_tabSettingsWidget;
 }
 
 } // namespace TextEditor

src/plugins/texteditor/simplecodestylepreferenceswidget.h

@@ -55,6 +55,7 @@ public:
     QString searchKeywords() const;
 
     void setFlat(bool on);
+    TabSettingsWidget *tabSettingsWidget() const;
 
 private slots:
     void slotCurrentPreferencesChanged(TextEditor::ICodeStylePreferences *preferences);

src/plugins/texteditor/tabsettingswidget.cpp

@@ -40,7 +40,10 @@ TabSettingsWidget::TabSettingsWidget(QWidget *parent) :
     ui(new Internal::Ui::TabSettingsWidget)
 {
     ui->setupUi(this);
+    ui->codingStyleWarning->setVisible(false);
 
+    connect(ui->codingStyleWarning, SIGNAL(linkActivated(QString)),
+            this, SLOT(codingStyleLinkActivated(QString)));
     connect(ui->tabPolicy, SIGNAL(currentIndexChanged(int)),
             this, SLOT(slotSettingsChanged()));
     connect(ui->tabSize, SIGNAL(valueChanged(int)),
@@ -83,6 +86,14 @@ void TabSettingsWidget::slotSettingsChanged()
     emit settingsChanged(tabSettings());
 }
 
+void TabSettingsWidget::codingStyleLinkActivated(const QString &linkString)
+{
+    if (linkString == QLatin1String("C++"))
+        emit codingStyleLinkClicked(CppLink);
+    else if (linkString == QLatin1String("QtQuick"))
+        emit codingStyleLinkClicked(QtQuickLink);
+}
+
 void TabSettingsWidget::setFlat(bool on)
 {
     ui->tabsAndIndentationGroupBox->setFlat(on);
@@ -105,6 +116,11 @@ QString TabSettingsWidget::searchKeywords() const
     return rc;
 }
 
+void TabSettingsWidget::setCodingStyleWarningVisible(bool visible)
+{
+    ui->codingStyleWarning->setVisible(visible);
+}
+
 void TabSettingsWidget::changeEvent(QEvent *e)
 {
     QWidget::changeEvent(e);

src/plugins/texteditor/tabsettingswidget.h

@@ -45,6 +45,11 @@ class TEXTEDITOR_EXPORT TabSettingsWidget : public QWidget
     Q_OBJECT
 
 public:
+    enum CodingStyleLink {
+        CppLink,
+        QtQuickLink
+    };
+
     explicit TabSettingsWidget(QWidget *parent = 0);
     ~TabSettingsWidget();
 
@@ -52,18 +57,21 @@ public:
 
     void setFlat(bool on);
     QString searchKeywords() const;
+    void setCodingStyleWarningVisible(bool visible);
 
 public slots:
     void setTabSettings(const TextEditor::TabSettings& s);
 
 signals:
     void settingsChanged(const TextEditor::TabSettings &);
+    void codingStyleLinkClicked(TextEditor::TabSettingsWidget::CodingStyleLink link);
 
 protected:
     void changeEvent(QEvent *e);
 
 private slots:
     void slotSettingsChanged();
+    void codingStyleLinkActivated(const QString &linkString);
 
 private:
     Internal::Ui::TabSettingsWidget *ui;

src/plugins/texteditor/tabsettingswidget.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>314</width>
-    <height>219</height>
+    <width>335</width>
+    <height>224</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -23,14 +23,7 @@
       <string>Tabs And Indentation</string>
      </property>
      <layout class="QGridLayout" name="gridLayout">
-      <item row="0" column="0" colspan="2">
-       <widget class="QLabel" name="tabPolicyLabel">
-        <property name="text">
-         <string>Tab policy:</string>
-        </property>
-       </widget>
-      </item>
-      <item row="1" column="0">
+      <item row="2" column="0">
        <spacer name="horizontalSpacer">
         <property name="orientation">
          <enum>Qt::Horizontal</enum>
@@ -46,7 +39,7 @@
         </property>
        </spacer>
       </item>
-      <item row="1" column="1">
+      <item row="2" column="1">
        <widget class="QComboBox" name="tabPolicy">
         <property name="sizePolicy">
          <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
@@ -71,7 +64,7 @@
         </item>
        </widget>
       </item>
-      <item row="2" column="0" colspan="2">
+      <item row="3" column="0" colspan="2">
        <layout class="QHBoxLayout" name="horizontalLayout">
         <item>
          <widget class="QLabel" name="tabSizeLabel">
@@ -152,14 +145,7 @@
         </item>
        </layout>
       </item>
-      <item row="3" column="0" colspan="2">
-       <widget class="QLabel" name="continuationAlignBehaviorLabel">
-        <property name="text">
-         <string>Align continuation lines:</string>
-        </property>
-       </widget>
-      </item>
-      <item row="4" column="1">
+      <item row="5" column="1">
        <widget class="QComboBox" name="continuationAlignBehavior">
         <property name="sizePolicy">
          <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
@@ -211,6 +197,33 @@ Influences the indentation of continuation lines.
         </item>
        </widget>
       </item>
+      <item row="1" column="0" colspan="2">
+       <widget class="QLabel" name="tabPolicyLabel">
+        <property name="text">
+         <string>Tab policy:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="4" column="0" colspan="2">
+       <widget class="QLabel" name="continuationAlignBehaviorLabel">
+        <property name="text">
+         <string>Align continuation lines:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="0" colspan="2">
+       <widget class="QLabel" name="codingStyleWarning">
+        <property name="toolTip">
+         <string>The text editor indentation setting is used for non-code files only. See the C++ and Qt Quick coding style settings to configure indentation for code files.</string>
+        </property>
+        <property name="text">
+         <string>&lt;i&gt;Code indentation is configured in &lt;a href=&quot;C++&quot;&gt;C++&lt;/a&gt; and &lt;a href=&quot;QtQuick&quot;&gt;Qt Quick&lt;/a&gt; settings.&lt;/i&gt;</string>
+        </property>
+        <property name="wordWrap">
+         <bool>true</bool>
+        </property>
+       </widget>
+      </item>
      </layout>
     </widget>
    </item>