Setting for line wrap in Scintilla editors

A new setting is added to the 'SQL' tab of the Preferences dialog. It
enables the line wrapping in the editors with none/character/word/
whitespace boundaries.

See comments in issue #1173.

src/ExtendedScintilla.cpp

@@ -45,6 +45,9 @@ ExtendedScintilla::ExtendedScintilla(QWidget* parent) :
     // adjusts the scroll width to be narrower.
     setScrollWidthTracking(true);
 
+    // Visual flags for when wrap lines is enabled
+    setWrapVisualFlags(QsciScintilla::WrapFlagByBorder);
+
     // Connect signals
     connect(this, SIGNAL(linesChanged()), this, SLOT(updateLineNumberAreaWidth()));
 
@@ -155,6 +158,9 @@ void ExtendedScintilla::reloadLexerSettings(QsciLexer *lexer)
     setTabWidth(Settings::getValue("editor", "tabsize").toInt());
     lexer->refreshProperties();
 
+    // Set wrap lines
+    setWrapMode(static_cast<QsciScintilla::WrapMode>(Settings::getValue("editor", "wrap_lines").toInt()));
+
     // Check if error indicators are enabled and clear them if they just got disabled
     showErrorIndicators = Settings::getValue("editor", "error_indicators").toBool();
     if(!showErrorIndicators)

src/PreferencesDialog.cpp

@@ -167,6 +167,7 @@ void PreferencesDialog::loadSettings()
     ui->spinEditorFontSize->setValue(Settings::getValue("editor", "fontsize").toInt());
     ui->spinTabSize->setValue(Settings::getValue("editor", "tabsize").toInt());
     ui->spinLogFontSize->setValue(Settings::getValue("log", "fontsize").toInt());
+    ui->wrapComboBox->setCurrentIndex(Settings::getValue("editor", "wrap_lines").toInt());
     ui->checkAutoCompletion->setChecked(Settings::getValue("editor", "auto_completion").toBool());
     ui->checkCompleteUpper->setEnabled(Settings::getValue("editor", "auto_completion").toBool());
     ui->checkCompleteUpper->setChecked(Settings::getValue("editor", "upper_keywords").toBool());
@@ -221,6 +222,7 @@ void PreferencesDialog::saveSettings()
     Settings::setValue("editor", "fontsize", ui->spinEditorFontSize->value());
     Settings::setValue("editor", "tabsize", ui->spinTabSize->value());
     Settings::setValue("log", "fontsize", ui->spinLogFontSize->value());
+    Settings::setValue("editor", "wrap_lines", ui->wrapComboBox->currentIndex());
     Settings::setValue("editor", "auto_completion", ui->checkAutoCompletion->isChecked());
     Settings::setValue("editor", "upper_keywords", ui->checkCompleteUpper->isChecked());
     Settings::setValue("editor", "error_indicators", ui->checkErrorIndicators->isChecked());

src/PreferencesDialog.ui

@@ -990,7 +990,7 @@
          <item row="0" column="1">
           <widget class="QFontComboBox" name="comboEditorFont"/>
          </item>
-         <item row="4" column="0">
+          <item row="5" column="0">
           <widget class="QLabel" name="label_20">
            <property name="text">
             <string>Code co&amp;mpletion</string>
@@ -1000,14 +1000,14 @@
            </property>
           </widget>
          </item>
-         <item row="4" column="1">
+         <item row="5" column="1">
           <widget class="QCheckBox" name="checkAutoCompletion">
            <property name="text">
             <string>enabled</string>
            </property>
           </widget>
          </item>
-         <item row="5" column="0">
+         <item row="6" column="0">
           <widget class="QLabel" name="label_24">
            <property name="text">
             <string>Keywords in &amp;UPPER CASE</string>
@@ -1017,7 +1017,7 @@
            </property>
           </widget>
          </item>
-         <item row="5" column="1">
+         <item row="6" column="1">
           <widget class="QCheckBox" name="checkCompleteUpper">
            <property name="toolTip">
             <string>When set, the SQL keywords are completed in UPPER CASE letters.</string>
@@ -1027,7 +1027,7 @@
            </property>
           </widget>
          </item>
-         <item row="6" column="0">
+         <item row="7" column="0">
           <widget class="QLabel" name="label_15">
            <property name="text">
             <string>Error indicators</string>
@@ -1037,7 +1037,7 @@
            </property>
           </widget>
          </item>
-         <item row="6" column="1">
+         <item row="7" column="1">
           <widget class="QCheckBox" name="checkErrorIndicators">
            <property name="toolTip">
             <string>When set, the SQL code lines that caused errors during the last execution are highlighted and the results frame indicates the error in the background</string>
@@ -1047,7 +1047,7 @@
            </property>
           </widget>
          </item>
-         <item row="7" column="0">
+         <item row="8" column="0">
           <widget class="QLabel" name="label_10">
            <property name="text">
             <string>Hori&amp;zontal tiling</string>
@@ -1057,7 +1057,7 @@
            </property>
           </widget>
          </item>
-         <item row="7" column="1">
+         <item row="8" column="1">
           <widget class="QCheckBox" name="checkHorizontalTiling">
            <property name="toolTip">
             <string>If enabled the SQL code editor and the result table view are shown side by side instead of one over the other.</string>
@@ -1067,6 +1067,40 @@
            </property>
           </widget>
          </item>
+         <item row="4" column="1">
+          <widget class="QComboBox" name="wrapComboBox">
+           <item>
+            <property name="text">
+             <string>Never</string>
+            </property>
+           </item>
+           <item>
+            <property name="text">
+             <string>At word boundaries</string>
+            </property>
+           </item>
+           <item>
+            <property name="text">
+             <string>At character boundaries</string>
+            </property>
+           </item>
+           <item>
+            <property name="text">
+             <string>At whitespace boundaries</string>
+            </property>
+           </item>
+          </widget>
+         </item>
+         <item row="4" column="0">
+          <widget class="QLabel" name="wrapLabel">
+           <property name="text">
+            <string>Wrap lines</string>
+           </property>
+           <property name="buddy">
+            <cstring>wrapComboBox</cstring>
+           </property>
+          </widget>
+         </item>
         </layout>
        </item>
       </layout>

src/Settings.cpp

@@ -290,6 +290,10 @@ QVariant Settings::getDefaultValue(const QString& group, const QString& name)
         }
     }
 
+    // editor/wrap_lines
+    if(group == "editor" && name == "wrap_lines")
+        return 0; // QsciScintilla::WrapNone
+
     // editor/auto_completion?
     if(group == "editor" && name == "auto_completion")
         return true;