single click in file list to open file in current tab

src/resources/vnote.ini

@@ -192,6 +192,9 @@ close_before_external_editor=true
 ; Each item is in the form "Name:Color"
 custom_colors=White:#FFFFFF,LightGrey:#EEEEEE
 
+; Single click to open a file then close previous tab
+single_click_close_previous_tab=true
+
 [web]
 ; Location and configuration for Mathjax
 mathjax_javascript=https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_CHTML

src/vconfigmanager.cpp

@@ -287,6 +287,9 @@ void VConfigManager::initialize()
 
     m_stylesToInlineWhenCopied = getConfigFromSettings("web",
                                                        "styles_to_inline_when_copied").toStringList().join(",");
+
+    m_singleClickClosePreviousTab = getConfigFromSettings("global",
+                                                          "single_click_close_previous_tab").toBool();
 }
 
 void VConfigManager::initSettings()

src/vconfigmanager.h

@@ -438,6 +438,8 @@ public:
     bool getMenuBarChecked() const;
     void setMenuBarChecked(bool p_checked);
 
+    bool getSingleClickClosePreviousTab() const;
+
 private:
     // Look up a config from user and default settings.
     QVariant getConfigFromSettings(const QString &section, const QString &key) const;
@@ -835,6 +837,9 @@ private:
     // The string containing styles to inline when copied in edit mode.
     QString m_stylesToInlineWhenCopied;
 
+    // Single click to open file and then close previous tab.
+    bool m_singleClickClosePreviousTab;
+
     // The name of the config file in each directory, obsolete.
     // Use c_dirConfigFile instead.
     static const QString c_obsoleteDirConfigFile;
@@ -2036,4 +2041,9 @@ inline void VConfigManager::setMenuBarChecked(bool p_checked)
 {
     setConfigToSettings("global", "menu_bar_checked", p_checked);
 }
+
+inline bool VConfigManager::getSingleClickClosePreviousTab() const
+{
+    return m_singleClickClosePreviousTab;
+}
 #endif // VCONFIGMANAGER_H

src/veditwindow.cpp

@@ -313,11 +313,6 @@ int VEditWindow::insertEditTab(int p_index, VFile *p_file, QWidget *p_page)
     return idx;
 }
 
-int VEditWindow::appendEditTab(VFile *p_file, QWidget *p_page)
-{
-    return insertEditTab(count(), p_file, p_page);
-}
-
 int VEditWindow::openFile(VFile *p_file, OpenFileMode p_mode)
 {
     qDebug() << "open" << p_file->getName();
@@ -326,6 +321,7 @@ int VEditWindow::openFile(VFile *p_file, OpenFileMode p_mode)
     if (idx > -1) {
         goto out;
     }
+
     idx = openFileInTab(p_file, p_mode);
 
 out:
@@ -459,8 +455,9 @@ int VEditWindow::openFileInTab(VFile *p_file, OpenFileMode p_mode)
     // Connect the signals.
     connectEditTab(editor);
 
-    int idx = appendEditTab(p_file, editor);
-    return idx;
+    // Insert right after current tab.
+    // VFileList will depends on this behavior.
+    return insertEditTab(currentIndex() + 1, p_file, editor);
 }
 
 int VEditWindow::findTabByFile(const VFile *p_file) const
@@ -990,7 +987,7 @@ bool VEditWindow::addEditTab(QWidget *p_widget)
     // Connect the signals.
     connectEditTab(editor);
 
-    int idx = appendEditTab(editor->getFile(), editor);
+    int idx = insertEditTab(currentIndex() + 1, editor->getFile(), editor);
     setCurrentIndex(idx);
     updateTabStatus(idx);
     return true;

src/veditwindow.h

@@ -149,8 +149,9 @@ private:
     void initTabActions();
     void setupCornerWidget();
     void removeEditTab(int p_index);
+
     int insertEditTab(int p_index, VFile *p_file, QWidget *p_page);
-    int appendEditTab(VFile *p_file, QWidget *p_page);
+
     int openFileInTab(VFile *p_file, OpenFileMode p_mode);
 
     QString generateTooltip(const VFile *p_file) const;

src/vfilelist.cpp

@@ -1,6 +1,8 @@
 #include <QtDebug>
 #include <QtWidgets>
 #include <QUrl>
+#include <QTimer>
+
 #include "vfilelist.h"
 #include "vconfigmanager.h"
 #include "dialog/vnewfiledialog.h"
@@ -30,11 +32,31 @@ const QString VFileList::c_cutShortcutSequence = "Ctrl+X";
 const QString VFileList::c_pasteShortcutSequence = "Ctrl+V";
 
 VFileList::VFileList(QWidget *parent)
-    : QWidget(parent), VNavigationMode()
+    : QWidget(parent),
+      VNavigationMode(),
+      m_itemClicked(NULL),
+      m_fileToCloseInSingleClick(NULL)
 {
     setupUI();
     initShortcuts();
     initActions();
+
+    m_clickTimer = new QTimer(this);
+    m_clickTimer->setSingleShot(true);
+    m_clickTimer->setInterval(QApplication::doubleClickInterval());
+    // When timer timeouts, we need to close the previous tab to simulate the
+    // effect as opening file in current tab.
+    connect(m_clickTimer, &QTimer::timeout,
+            this, [this]() {
+                m_itemClicked = NULL;
+                VFile *file = m_fileToCloseInSingleClick;
+                m_fileToCloseInSingleClick = NULL;
+
+                if (file) {
+                    editArea->closeFile(file, false);
+                    fileList->setFocus();
+                }
+            });
 }
 
 void VFileList::setupUI()
@@ -613,18 +635,62 @@ QListWidgetItem* VFileList::findItem(const VNoteFile *p_file)
 
 void VFileList::handleItemClicked(QListWidgetItem *p_item)
 {
-    activateItem(p_item);
-
-    fileList->setFocus();
-}
+    Q_ASSERT(p_item);
 
-void VFileList::activateItem(QListWidgetItem *p_item)
-{
     Qt::KeyboardModifiers modifiers = QGuiApplication::keyboardModifiers();
     if (modifiers != Qt::NoModifier) {
         return;
     }
 
+    m_clickTimer->stop();
+    if (m_itemClicked) {
+        // Timer will not trigger.
+        if (m_itemClicked == p_item) {
+            // Double clicked.
+            m_itemClicked = NULL;
+            m_fileToCloseInSingleClick = NULL;
+            return;
+        } else {
+            // Handle previous clicked item as single click.
+            m_itemClicked = NULL;
+            if (m_fileToCloseInSingleClick) {
+                editArea->closeFile(m_fileToCloseInSingleClick, false);
+                m_fileToCloseInSingleClick = NULL;
+            }
+        }
+    }
+
+    // Pending @p_item.
+    bool singleClickClose = g_config->getSingleClickClosePreviousTab();
+    if (singleClickClose) {
+        VFile *file = getVFile(p_item);
+        Q_ASSERT(file);
+        if (editArea->isFileOpened(file)) {
+            // File already opened.
+            activateItem(p_item, true);
+            return;
+        }
+
+        // Get current tab which will be closed if click timer timeouts.
+        VEditTab *tab = editArea->getCurrentTab();
+        if (tab) {
+            m_fileToCloseInSingleClick = tab->getFile();
+        } else {
+            m_fileToCloseInSingleClick = NULL;
+        }
+    }
+
+    // Activate it.
+    activateItem(p_item, true);
+
+    if (singleClickClose) {
+        m_itemClicked = p_item;
+        m_clickTimer->start();
+    }
+}
+
+void VFileList::activateItem(QListWidgetItem *p_item, bool p_restoreFocus)
+{
     if (!p_item) {
         emit fileClicked(NULL);
         return;
@@ -633,6 +699,10 @@ void VFileList::activateItem(QListWidgetItem *p_item)
     // Qt seems not to update the QListWidget correctly. Manually force it to repaint.
     fileList->update();
     emit fileClicked(getVFile(p_item), g_config->getNoteOpenMode());
+
+    if (p_restoreFocus) {
+        fileList->setFocus();
+    }
 }
 
 bool VFileList::importFiles(const QStringList &p_files, QString *p_errMsg)
@@ -859,7 +929,23 @@ void VFileList::keyPressEvent(QKeyEvent *p_event)
     if (p_event->key() == Qt::Key_Return) {
         QListWidgetItem *item = fileList->currentItem();
         if (item) {
-            activateItem(item);
+            VFile *fileToClose = NULL;
+            if (!(p_event->modifiers() & Qt::ControlModifier)) {
+                VFile *file = getVFile(item);
+                Q_ASSERT(file);
+                if (!editArea->isFileOpened(file)) {
+                    VEditTab *tab = editArea->getCurrentTab();
+                    if (tab) {
+                        fileToClose = tab->getFile();
+                    }
+                }
+
+            }
+
+            activateItem(item, false);
+            if (fileToClose) {
+                editArea->closeFile(fileToClose, false);
+            }
         }
     }
 

src/vfilelist.h

@@ -22,6 +22,7 @@ class VEditArea;
 class QFocusEvent;
 class QLabel;
 class QMenu;
+class QTimer;
 
 class VFileList : public QWidget, public VNavigationMode
 {
@@ -162,7 +163,7 @@ private:
     // Init Open With menu.
     void initOpenWithMenu();
 
-    void activateItem(QListWidgetItem *p_item);
+    void activateItem(QListWidgetItem *p_item, bool p_restoreFocus = false);
 
     VEditArea *editArea;
     QListWidget *fileList;
@@ -190,6 +191,12 @@ private:
     // Context sub-menu of Open With.
     QMenu *m_openWithMenu;
 
+    QTimer *m_clickTimer;
+
+    QListWidgetItem *m_itemClicked;
+
+    VFile *m_fileToCloseInSingleClick;
+
     static const QString c_infoShortcutSequence;
     static const QString c_copyShortcutSequence;
     static const QString c_cutShortcutSequence;