support custom base level for heading sequence by heading_sequence_base_level

src/dialog/vsettingsdialog.cpp

@@ -51,6 +51,8 @@ VSettingsDialog::VSettingsDialog(QWidget *p_parent)
                 m_tabs->setCurrentWidget(m_tabs->widget(idx));
             });
 
+    m_tabList->setCurrentRow(0);
+
     loadConfiguration();
 }
 
@@ -449,19 +451,34 @@ VMarkdownTab::VMarkdownTab(QWidget *p_parent)
     // Heading sequence.
     m_headingSequence = new QCheckBox(tr("Heading sequence"));
     m_headingSequence->setToolTip(tr("Enable auto sequence for all headings (in the form like 1.2.3.4.)"));
+    m_headingSequenceCombo = new QComboBox();
+    m_headingSequenceCombo->setToolTip(tr("Base level to start heading sequence"));
+    m_headingSequenceCombo->addItem(tr("1"), 1);
+    m_headingSequenceCombo->addItem(tr("2"), 2);
+    m_headingSequenceCombo->addItem(tr("3"), 3);
+    m_headingSequenceCombo->addItem(tr("4"), 4);
+    m_headingSequenceCombo->addItem(tr("5"), 5);
+    m_headingSequenceCombo->addItem(tr("6"), 6);
+    m_headingSequenceCombo->setEnabled(false);
+    connect(m_headingSequence, &QCheckBox::stateChanged,
+            this, [this](int p_state){
+                this->m_headingSequenceCombo->setEnabled(p_state == Qt::Checked);
+            });
+    QHBoxLayout *headingSequenceLayout = new QHBoxLayout();
+    headingSequenceLayout->addWidget(m_headingSequence);
+    headingSequenceLayout->addWidget(m_headingSequenceCombo);
 
     // Web Zoom Factor.
     m_customWebZoom = new QCheckBox(tr("Custom Web zoom factor"), this);
     m_customWebZoom->setToolTip(tr("Set the zoom factor of the Web page when reading"));
-    connect(m_customWebZoom, &QCheckBox::stateChanged,
-            this, [this](int p_state){
-                this->m_webZoomFactorSpin->setEnabled(p_state == Qt::Checked);
-            });
-
     m_webZoomFactorSpin = new QDoubleSpinBox(this);
     m_webZoomFactorSpin->setMaximum(c_webZoomFactorMax);
     m_webZoomFactorSpin->setMinimum(c_webZoomFactorMin);
     m_webZoomFactorSpin->setSingleStep(0.25);
+    connect(m_customWebZoom, &QCheckBox::stateChanged,
+            this, [this](int p_state){
+                this->m_webZoomFactorSpin->setEnabled(p_state == Qt::Checked);
+            });
     QHBoxLayout *zoomFactorLayout = new QHBoxLayout();
     zoomFactorLayout->addWidget(m_customWebZoom);
     zoomFactorLayout->addWidget(m_webZoomFactorSpin);
@@ -478,7 +495,7 @@ VMarkdownTab::VMarkdownTab(QWidget *p_parent)
 
     QFormLayout *mainLayout = new QFormLayout();
     mainLayout->addRow(openModeLabel, m_openModeCombo);
-    mainLayout->addRow(m_headingSequence);
+    mainLayout->addRow(headingSequenceLayout);
     mainLayout->addRow(zoomFactorLayout);
     mainLayout->addRow(colorColumnLabel, m_colorColumnEdit);
 
@@ -553,13 +570,20 @@ bool VMarkdownTab::saveOpenMode()
 bool VMarkdownTab::loadHeadingSequence()
 {
     bool enabled = g_config->getEnableHeadingSequence();
+    int level = g_config->getHeadingSequenceBaseLevel();
+    if (level < 1 || level > 6) {
+        level = 1;
+    }
+
     m_headingSequence->setChecked(enabled);
+    m_headingSequenceCombo->setCurrentIndex(level - 1);
     return true;
 }
 
 bool VMarkdownTab::saveHeadingSequence()
 {
     g_config->setEnableHeadingSequence(m_headingSequence->isChecked());
+    g_config->setHeadingSequenceBaseLevel(m_headingSequenceCombo->currentData().toInt());
     return true;
 }
 

src/dialog/vsettingsdialog.h

@@ -94,6 +94,7 @@ public:
 
     // Whether enable heading sequence.
     QCheckBox *m_headingSequence;
+    QComboBox *m_headingSequenceCombo;
 
     // Web zoom factor.
     QCheckBox *m_customWebZoom;

src/hgmarkdownhighlighter.h

@@ -122,6 +122,8 @@ public:
 
     const QMap<int, bool> &getPotentialPreviewBlocks() const;
 
+    const QVector<VElementRegion> &getHeaderRegions() const;
+
 signals:
     void highlightCompleted();
 
@@ -239,4 +241,9 @@ inline const QMap<int, bool> &HGMarkdownHighlighter::getPotentialPreviewBlocks()
     return m_potentialPreviewBlocks;
 }
 
+inline const QVector<VElementRegion> &HGMarkdownHighlighter::getHeaderRegions() const
+{
+    return m_headerRegions;
+}
+
 #endif

src/resources/vnote.ini

@@ -86,6 +86,9 @@ note_open_mode=0
 ; Whether auto generate heading sequence
 enable_heading_sequence=false
 
+; Heading sequence base level
+heading_sequence_base_level=1
+
 ; Style the xth column in fenced code block
 ; 0 - no color column
 color_column=0

src/vconfigmanager.cpp

@@ -178,6 +178,9 @@ void VConfigManager::initialize()
     m_enableHeadingSequence = getConfigFromSettings("global",
                                                     "enable_heading_sequence").toBool();
 
+    m_headingSequenceBaseLevel = getConfigFromSettings("global",
+                                                       "heading_sequence_base_level").toInt();
+
     m_colorColumn = getConfigFromSettings("global", "color_column").toInt();
 
     m_enableCodeBlockLineNumber = getConfigFromSettings("global",

src/vconfigmanager.h

@@ -235,6 +235,9 @@ public:
     bool getEnableHeadingSequence() const;
     void setEnableHeadingSequence(bool p_enabled);
 
+    int getHeadingSequenceBaseLevel() const;
+    void setHeadingSequenceBaseLevel(int p_level);
+
     int getColorColumn() const;
     void setColorColumn(int p_column);
 
@@ -486,6 +489,9 @@ private:
     // Whether auto genearte heading sequence.
     bool m_enableHeadingSequence;
 
+    // Heading sequence base level.
+    int m_headingSequenceBaseLevel;
+
     // The column to style in code block.
     int m_colorColumn;
 
@@ -1252,6 +1258,23 @@ inline void VConfigManager::setEnableHeadingSequence(bool p_enabled)
                         m_enableHeadingSequence);
 }
 
+inline int VConfigManager::getHeadingSequenceBaseLevel() const
+{
+    return m_headingSequenceBaseLevel;
+}
+
+inline void VConfigManager::setHeadingSequenceBaseLevel(int p_level)
+{
+    if (m_headingSequenceBaseLevel == p_level) {
+        return;
+    }
+
+    m_headingSequenceBaseLevel = p_level;
+    setConfigToSettings("global",
+                        "heading_sequence_base_level",
+                        m_headingSequenceBaseLevel);
+}
+
 inline int VConfigManager::getColorColumn() const
 {
     return m_colorColumn;

src/vmdedit.cpp

@@ -109,7 +109,7 @@ void VMdEdit::beginEdit()
         setReadOnly(false);
     }
 
-    m_mdHighlighter->updateHighlight();
+    updateOutline(m_mdHighlighter->getHeaderRegions());
 }
 
 void VMdEdit::endEdit()
@@ -330,9 +330,14 @@ void VMdEdit::updateCurHeader()
     emit curHeaderChanged(VAnchor(m_file, "", m_headers[idx].lineNumber, m_headers[idx].index));
 }
 
-static void addHeaderSequence(QVector<int> &p_sequence, int p_level)
+static void addHeaderSequence(QVector<int> &p_sequence, int p_level, int p_baseLevel)
 {
     Q_ASSERT(p_level >= 1 && p_level < p_sequence.size());
+    if (p_level < p_baseLevel) {
+        p_sequence.fill(0);
+        return;
+    }
+
     ++p_sequence[p_level];
     for (int i = p_level + 1; i < p_sequence.size(); ++i) {
         p_sequence[i] = 0;
@@ -382,7 +387,11 @@ static void insertSequenceToHeader(QTextBlock p_block,
         cursor.setPosition(p_block.position() + end, QTextCursor::KeepAnchor);
     }
 
-    cursor.insertText(p_seq + ' ');
+    if (p_seq.isEmpty()) {
+        cursor.removeSelectedText();
+    } else {
+        cursor.insertText(p_seq + ' ');
+    }
 }
 
 void VMdEdit::updateOutline(const QVector<VElementRegion> &p_headerRegions)
@@ -434,6 +443,11 @@ void VMdEdit::updateOutline(const QVector<VElementRegion> &p_headerRegions)
     m_headers.clear();
 
     bool autoSequence = g_config->getEnableHeadingSequence() && !isReadOnly();
+    int headingSequenceBaseLevel = g_config->getHeadingSequenceBaseLevel();
+    if (headingSequenceBaseLevel < 1 || headingSequenceBaseLevel > 6) {
+        headingSequenceBaseLevel = 1;
+    }
+
     QVector<int> seqs(7, 0);
     QRegExp preReg(VUtils::c_headerPrefixRegExp);
     int curLevel = baseLevel - 1;
@@ -445,7 +459,7 @@ void VMdEdit::updateOutline(const QVector<VElementRegion> &p_headerRegions)
             // Insert empty level which is an invalid header.
             m_headers.append(VHeader(curLevel, c_emptyHeaderName, "", -1, m_headers.size()));
             if (autoSequence) {
-                addHeaderSequence(seqs, curLevel);
+                addHeaderSequence(seqs, curLevel, headingSequenceBaseLevel);
             }
         }
 
@@ -453,7 +467,7 @@ void VMdEdit::updateOutline(const QVector<VElementRegion> &p_headerRegions)
         m_headers.append(item);
         curLevel = item.level;
         if (autoSequence) {
-            addHeaderSequence(seqs, item.level);
+            addHeaderSequence(seqs, item.level, headingSequenceBaseLevel);
 
             QString seqStr = headerSequenceStr(seqs);
             if (headerSequences[i] != seqStr) {
@@ -768,5 +782,7 @@ void VMdEdit::finishOneAsyncJob(int p_idx)
         setModified(false);
         m_freshEdit = false;
         emit statusChanged();
+
+        updateOutline(m_mdHighlighter->getHeaderRegions());
     }
 }