From bb7e6e196cf981c3224d1b3277cf3dafa683cda1 Mon Sep 17 00:00:00 2001
From: Le Tan <tamlokveer@gmail.com>
Date: Sat, 2 Sep 2017 18:47:03 +0800
Subject: [PATCH] make markdown highlight interval configurable via
 markdown_highlight_interval

---
 src/hgmarkdownhighlighter.cpp |  2 ++
 src/resources/vnote.ini       |  3 +++
 src/vconfigmanager.cpp        |  3 +++
 src/vconfigmanager.h          | 11 +++++++++++
 src/vmdedit.cpp               |  3 ++-
 5 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/hgmarkdownhighlighter.cpp b/src/hgmarkdownhighlighter.cpp
index 98a85920..c07827d5 100644
--- a/src/hgmarkdownhighlighter.cpp
+++ b/src/hgmarkdownhighlighter.cpp
@@ -414,12 +414,14 @@ void HGMarkdownHighlighter::handleContentChange(int /* position */, int charsRem
     if (charsRemoved == 0 && charsAdded == 0) {
         return;
     }
+
     timer->stop();
     timer->start();
 }
 
 void HGMarkdownHighlighter::timerTimeout()
 {
+    qDebug() << "HGMarkdownHighlighter start a new parse";
     parse();
     if (!updateCodeBlocks()) {
         rehighlight();
diff --git a/src/resources/vnote.ini b/src/resources/vnote.ini
index 5a94f043..0fa10486 100644
--- a/src/resources/vnote.ini
+++ b/src/resources/vnote.ini
@@ -70,6 +70,9 @@ minimize_to_system_tray=-1
 ; Case-insensitive
 markdown_suffix=md:markdown:mkd
 
+; Markdown highlight timer interval (milliseconds)
+markdown_highlight_interval=400
+
 [session]
 tools_dock_checked=true
 
diff --git a/src/vconfigmanager.cpp b/src/vconfigmanager.cpp
index afb9bae2..e04d0202 100644
--- a/src/vconfigmanager.cpp
+++ b/src/vconfigmanager.cpp
@@ -157,6 +157,9 @@ void VConfigManager::initialize()
     readShortcutsFromSettings();
 
     initDocSuffixes();
+
+    m_markdownHighlightInterval = getConfigFromSettings("global",
+                                                        "markdown_highlight_interval").toInt();
 }
 
 void VConfigManager::readPredefinedColorsFromSettings()
diff --git a/src/vconfigmanager.h b/src/vconfigmanager.h
index 85c74261..7c8c9dff 100644
--- a/src/vconfigmanager.h
+++ b/src/vconfigmanager.h
@@ -221,6 +221,8 @@ public:
     void initDocSuffixes();
     const QHash<int, QList<QString>> &getDocSuffixes() const;
 
+    int getMarkdownHighlightInterval() const;
+
     // Return the configured key sequence of @p_operation.
     // Return empty if there is no corresponding config.
     QString getShortcutKeySequence(const QString &p_operation) const;
@@ -446,6 +448,9 @@ private:
     // [DocType] -> { Suffixes }.
     QHash<int, QList<QString>> m_docSuffixes;
 
+    // Interval for HGMarkdownHighlighter highlight timer (milliseconds).
+    int m_markdownHighlightInterval;
+
     // The name of the config file in each directory, obsolete.
     // Use c_dirConfigFile instead.
     static const QString c_obsoleteDirConfigFile;
@@ -1138,4 +1143,10 @@ inline const QHash<int, QList<QString>> &VConfigManager::getDocSuffixes() const
 {
     return m_docSuffixes;
 }
+
+inline int VConfigManager::getMarkdownHighlightInterval() const
+{
+    return m_markdownHighlightInterval;
+}
+
 #endif // VCONFIGMANAGER_H
diff --git a/src/vmdedit.cpp b/src/vmdedit.cpp
index 5c017c8e..505d98a2 100644
--- a/src/vmdedit.cpp
+++ b/src/vmdedit.cpp
@@ -25,7 +25,8 @@ VMdEdit::VMdEdit(VFile *p_file, VDocument *p_vdoc, MarkdownConverterType p_type,
     setAcceptRichText(false);
     m_mdHighlighter = new HGMarkdownHighlighter(g_config->getMdHighlightingStyles(),
                                                 g_config->getCodeBlockStyles(),
-                                                700, document());
+                                                g_config->getMarkdownHighlightInterval(),
+                                                document());
     connect(m_mdHighlighter, &HGMarkdownHighlighter::highlightCompleted,
             this, &VMdEdit::generateEditOutline);