Indenter: Add an option to control the padding style.

Reviewed-by: Thorbjorn Lindeijer

src/plugins/texteditor/behaviorsettingspage.cpp

@@ -158,6 +158,7 @@ void BehaviorSettingsPage::settingsFromUI(TabSettings &tabSettings,
     tabSettings.m_doubleIndentBlocks = m_d->m_page.indentBlocksBehavior->currentIndex() >= 2;
 
     tabSettings.m_tabKeyBehavior = (TabSettings::TabKeyBehavior)m_d->m_page.tabKeyBehavior->currentIndex();
+    tabSettings.m_paddingMode = (TabSettings::PaddingMode)m_d->m_page.paddingMode->currentIndex();
 
     storageSettings.m_cleanWhitespace = m_d->m_page.cleanWhitespace->isChecked();
     storageSettings.m_inEntireDocument = m_d->m_page.inEntireDocument->isChecked();
@@ -181,6 +182,7 @@ void BehaviorSettingsPage::settingsToUI()
                                                       (tabSettings.m_doubleIndentBlocks ? 2 : 1)
                                                         : 0);
     m_d->m_page.tabKeyBehavior->setCurrentIndex(tabSettings.m_tabKeyBehavior);
+    m_d->m_page.paddingMode->setCurrentIndex(tabSettings.m_paddingMode);
 
     const StorageSettings &storageSettings = m_d->m_storageSettings;
     m_d->m_page.cleanWhitespace->setChecked(storageSettings.m_cleanWhitespace);

src/plugins/texteditor/behaviorsettingspage.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>550</width>
-    <height>464</height>
+    <width>576</width>
+    <height>538</height>
    </rect>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
@@ -179,14 +179,14 @@
           </item>
          </widget>
         </item>
-        <item row="1" column="0">
+        <item row="2" column="0">
          <widget class="QLabel" name="tabKeyIndentLabel">
           <property name="text">
            <string>Tab key performs auto-indent:</string>
           </property>
          </widget>
         </item>
-        <item row="1" column="1">
+        <item row="2" column="1">
          <widget class="QComboBox" name="tabKeyBehavior">
           <item>
            <property name="text">
@@ -205,6 +205,41 @@
           </item>
          </widget>
         </item>
+        <item row="1" column="0">
+         <widget class="QLabel" name="paddingStyleLabel">
+          <property name="text">
+           <string>Padding style:</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="1">
+         <widget class="QComboBox" name="paddingMode">
+          <property name="toolTip">
+           <string>Padding is the part of indentation exceeding logical indentation and is usually used to align consecutive lines of code.
+
+Disable Padding: Do not pad at all. Lines will only be indented to the current logical indentation depth.
+
+Pad With Spaces: Always use spaces for padding, regardless of the choice between tabs and spaces above.
+
+Pad With Indentation: Padding will be part of the indentation and follow the settings above.</string>
+          </property>
+          <item>
+           <property name="text">
+            <string>Disable Padding</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Pad With Spaces</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Pad With Indentation</string>
+           </property>
+          </item>
+         </widget>
+        </item>
        </layout>
       </item>
      </layout>
@@ -339,10 +374,6 @@
     </spacer>
    </item>
   </layout>
-  <zorder>groupBoxTabAndIndentSettings</zorder>
-  <zorder>groupBoxStorageSettings</zorder>
-  <zorder>groupBoxMouse</zorder>
-  <zorder>indentBlocksLabel</zorder>
  </widget>
  <tabstops>
   <tabstop>insertSpaces</tabstop>
@@ -364,12 +395,12 @@
    <slot>setEnabled(bool)</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>67</x>
-     <y>252</y>
+     <x>87</x>
+     <y>323</y>
     </hint>
     <hint type="destinationlabel">
-     <x>148</x>
-     <y>281</y>
+     <x>205</x>
+     <y>353</y>
     </hint>
    </hints>
   </connection>
@@ -380,12 +411,12 @@
    <slot>setEnabled(bool)</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>40</x>
-     <y>251</y>
+     <x>60</x>
+     <y>323</y>
     </hint>
     <hint type="destinationlabel">
-     <x>77</x>
-     <y>310</y>
+     <x>134</x>
+     <y>384</y>
     </hint>
    </hints>
   </connection>

src/plugins/texteditor/tabsettings.cpp

@@ -45,6 +45,7 @@ static const char *indentBracesKey = "IndentBraces";
 static const char *doubleIndentBlocksKey = "DoubleIndentBlocks";
 static const char *tabKeyBehaviorKey = "TabKeyBehavior";
 static const char *groupPostfix = "TabSettings";
+static const char *paddingModeKey = "PaddingMode";
 
 namespace TextEditor {
 
@@ -57,7 +58,8 @@ TabSettings::TabSettings() :
     m_indentSize(4),
     m_indentBraces(false),
     m_doubleIndentBlocks(false),
-    m_tabKeyBehavior(TabNeverIndents)
+    m_tabKeyBehavior(TabNeverIndents),
+    m_paddingMode(PadWithSpaces)
 {
 }
 
@@ -76,6 +78,7 @@ void TabSettings::toSettings(const QString &category, QSettings *s) const
     s->setValue(QLatin1String(indentBracesKey), m_indentBraces);
     s->setValue(QLatin1String(doubleIndentBlocksKey), m_doubleIndentBlocks);
     s->setValue(QLatin1String(tabKeyBehaviorKey), m_tabKeyBehavior);
+    s->setValue(QLatin1String(paddingModeKey), m_paddingMode);
     s->endGroup();
 }
 
@@ -99,6 +102,7 @@ void TabSettings::fromSettings(const QString &category, const QSettings *s)
 			= s->value(group + QLatin1String(doubleIndentBlocksKey), m_doubleIndentBlocks).toBool();
 
     m_tabKeyBehavior    = (TabKeyBehavior)s->value(group + QLatin1String(tabKeyBehaviorKey), m_tabKeyBehavior).toInt();
+    m_paddingMode       = (PaddingMode)s->value(group + QLatin1String(paddingModeKey), m_paddingMode).toInt();
 }
 
 
@@ -319,13 +323,20 @@ void TabSettings::indentLine(QTextBlock block, int newIndent, int padding) const
     const QString text = block.text();
     const int oldBlockLength = text.size();
 
+    if (m_paddingMode == DisablePadding) {
+        newIndent -= padding;
+        padding = 0;
+    } else if (m_paddingMode == PadWithIndent) {
+        padding = 0;
+    }
+
     // Quickly check whether indenting is required.
     if (indentationColumn(text) == newIndent)
         return;
 
     QString indentString;
 
-    if (!m_spacesForTabs && m_tabSize == m_indentSize) {
+    if (!m_spacesForTabs) {
         // user likes tabs for spaces and uses tabs for indentation, preserve padding
         indentString = indentationString(0, newIndent - padding, block);
         indentString += QString(padding, QLatin1Char(' '));
@@ -388,7 +399,8 @@ bool TabSettings::equals(const TabSettings &ts) const
         && m_indentSize == ts.m_indentSize
         && m_indentBraces == ts.m_indentBraces
 	&& m_doubleIndentBlocks == ts.m_doubleIndentBlocks
-        && m_tabKeyBehavior == ts.m_tabKeyBehavior;
+        && m_tabKeyBehavior == ts.m_tabKeyBehavior
+        && m_paddingMode == ts.m_paddingMode;
 }
 
 } // namespace TextEditor

src/plugins/texteditor/tabsettings.h

@@ -52,6 +52,13 @@ public:
         TabLeadingWhitespaceIndents = 2
     };
 
+    // This enum must match the indexes of paddingMode widget
+    enum PaddingMode {
+        DisablePadding = 0,
+        PadWithSpaces = 1,
+        PadWithIndent = 2
+    };
+
     TabSettings();
 
     void toSettings(const QString &category, QSettings *s) const;
@@ -89,6 +96,7 @@ public:
     bool m_indentBraces;
     bool m_doubleIndentBlocks;
     TabKeyBehavior m_tabKeyBehavior;
+    PaddingMode m_paddingMode;
 
     bool equals(const TabSettings &ts) const;
 };