toolbar: implement strikethrough and add shortcut tips

src/resources/docs/shortcuts_en.md

@@ -42,11 +42,13 @@ Save current changes and exit edit mode.
 
 #### Text Editing
 - `Ctrl+B`  
-Insert bold. Press `Ctrl+B` again to exit. Currently selected text will be changed to bold if exist.
+Insert bold. Press `Ctrl+B` again to exit. Current selected text will be changed to bold if exist.
 - `Ctrl+I`  
-Insert italic. Press `Ctrl+I` again to exit. Currently selected text will be changed to italic if exist.
+Insert italic. Press `Ctrl+I` again to exit. Current selected text will be changed to italic if exist.
+- `Ctrl+D`  
+Insert strikethrought. Press `Ctrl+D` again to exit. Current selected text will be changed to strikethrough if exist.
 - `Ctrl+O`  
-Insert inline code. Press `Ctrl+O` again to exit. Currently selected text will be changed to inline code if exist.
+Insert inline code. Press `Ctrl+O` again to exit. Current selected text will be changed to inline code if exist.
 - `Ctrl+H`  
 Backspace. Delete a character backward.
 - `Ctrl+W`  
@@ -54,7 +56,7 @@ Delete all the characters from current cursor to the first space backward.
 - `Ctrl+U`  
 Delete all the characters from current cursor to the beginning of current line.
 - `Ctrl+<Num>`  
-Insert title at level `<Num>`. `<Num>` should be 1 to 6. Currently selected text will be changed to title if exist.
+Insert title at level `<Num>`. `<Num>` should be 1 to 6. Current selected text will be changed to title if exist.
 - `Tab`/`Shift+Tab`  
 Increase or decrease the indentation. If any text is selected, the indentation will operate on all these selected lines.
 - `Shift+Enter`  

src/resources/docs/shortcuts_zh.md

@@ -45,6 +45,8 @@
 插入粗体；再次按`Ctrl+B`退出。如果已经选择文本，则将当前选择文本加粗。
 - `Ctrl+I`  
 插入斜体；再次按`Ctrl+I`退出。如果已经选择文本，则将当前选择文本改为斜体。
+- `Ctrl+D`  
+插入删除线；再次按`Ctrl+D`退出。如果已经选择文本，则将当前选择文本改为删除线。
 - `Ctrl+O`  
 插入行内代码；再次按`Ctrl+O`退出。如果已经选择文本，则将当前选择文本改为行内代码。
 - `Ctrl+H`  

src/resources/icons/strikethrough.svg

@@ -2,7 +2,7 @@
 <svg width="512" height="512" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg">
  <g>
   <title>Layer 1</title>
-  <text fill="#000000" stroke-width="0" x="-146.756839" y="248.490375" id="svg_4" font-size="24" font-family="serif" text-anchor="middle" xml:space="preserve" font-weight="normal" transform="matrix(16.72881317138672,0,0,16.72881317138672,2707.567729830742,-3759.186347961426) " stroke="#000000" font-style="normal">S</text>
+  <text fill="#000000" stroke-width="0" x="-146.756839" y="248.490375" id="svg_4" font-size="24" font-family="serif" text-anchor="middle" xml:space="preserve" font-weight="normal" transform="matrix(16.72881317138672,0,0,16.72881317138672,2707.567729830742,-3759.186347961426) " stroke="#000000" font-style="normal">D</text>
-  <rect stroke="#000000" fill="#000000" stroke-width="5" x="94.999999" y="282" width="318.999997" height="21" id="svg_2" stroke-opacity="0"/>
+  <rect stroke="#000000" fill="#000000" stroke-width="5" x="91" y="262" width="325" height="21" id="svg_2" stroke-opacity="0"/>
  </g>
 </svg>

src/resources/icons/underline.svg

@@ -1,8 +0,0 @@
-<?xml version="1.0"?>
-<svg width="512" height="512" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg">
- <g>
-  <title>Layer 1</title>
-  <text style="cursor: move;" font-style="normal" stroke="#000000" transform="matrix(16.72881317138672,0,0,16.72881317138672,2707.567729830742,-3759.186347961426) " font-weight="normal" xml:space="preserve" text-anchor="middle" font-family="serif" font-size="24" id="svg_4" y="248.490375" x="-146.756839" stroke-width="0" fill="#000000">U</text>
-  <rect stroke="#000000" stroke-opacity="0" id="svg_2" height="21" width="322.000016" y="422" x="91.999999" stroke-width="5" fill="#000000"/>
- </g>
-</svg>

src/vmainwindow.cpp

@@ -187,21 +187,24 @@ void VMainWindow::initViewToolBar()
     QAction *onePanelViewAct = new QAction(QIcon(":/resources/icons/one_panel.svg"),
                                            tr("&Single Panel"), this);
     onePanelViewAct->setStatusTip(tr("Display only the notes list panel"));
+    onePanelViewAct->setToolTip(tr("Single Panel (Ctrl+E P)"));
     connect(onePanelViewAct, &QAction::triggered,
             this, &VMainWindow::onePanelView);
 
     QAction *twoPanelViewAct = new QAction(QIcon(":/resources/icons/two_panels.svg"),
                                            tr("&Two Panels"), this);
     twoPanelViewAct->setStatusTip(tr("Display both the folders and notes list panel"));
+    twoPanelViewAct->setToolTip(tr("Two Panels (Ctrl+E P)"));
     connect(twoPanelViewAct, &QAction::triggered,
             this, &VMainWindow::twoPanelView);
 
     QMenu *panelMenu = new QMenu(this);
+    panelMenu->setToolTipsVisible(true);
     panelMenu->addAction(onePanelViewAct);
     panelMenu->addAction(twoPanelViewAct);
 
     expandViewAct = new QAction(QIcon(":/resources/icons/expand.svg"),
-                                tr("Expand"), this);
+                                tr("Expand (Ctrl+E E)"), this);
     expandViewAct->setStatusTip(tr("Expand the edit area"));
     expandViewAct->setCheckable(true);
     expandViewAct->setMenu(panelMenu);
@@ -229,7 +232,7 @@ void VMainWindow::initEditToolBar()
     m_editToolBar->addSeparator();
 
     QAction *boldAct = new QAction(QIcon(":/resources/icons/bold.svg"),
-                                   tr("Bold"), this);
+                                   tr("Bold (Ctrl+B)"), this);
     boldAct->setStatusTip(tr("Insert bold text or change selected text to bold"));
     connect(boldAct, &QAction::triggered,
             this, [this](){
@@ -241,7 +244,7 @@ void VMainWindow::initEditToolBar()
     m_editToolBar->addAction(boldAct);
 
     QAction *italicAct = new QAction(QIcon(":/resources/icons/italic.svg"),
-                                     tr("Italic"), this);
+                                     tr("Italic (Ctrl+I)"), this);
     italicAct->setStatusTip(tr("Insert italic text or change selected text to italic"));
     connect(italicAct, &QAction::triggered,
             this, [this](){
@@ -252,20 +255,8 @@ void VMainWindow::initEditToolBar()
 
     m_editToolBar->addAction(italicAct);
 
-    QAction *underlineAct = new QAction(QIcon(":/resources/icons/underline.svg"),
-                                        tr("Underline"), this);
-    underlineAct->setStatusTip(tr("Insert underlined text or change selected text to underlined"));
-    connect(underlineAct, &QAction::triggered,
-            this, [this](){
-                if (m_curTab) {
-                    m_curTab->decorateText(TextDecoration::Underline);
-                }
-            });
-
-    m_editToolBar->addAction(underlineAct);
-
     QAction *strikethroughAct = new QAction(QIcon(":/resources/icons/strikethrough.svg"),
-                                            tr("Strikethrough"), this);
+                                            tr("Strikethrough (Ctrl+D)"), this);
     strikethroughAct->setStatusTip(tr("Insert strikethrough text or change selected text to strikethroughed"));
     connect(strikethroughAct, &QAction::triggered,
             this, [this](){
@@ -277,7 +268,7 @@ void VMainWindow::initEditToolBar()
     m_editToolBar->addAction(strikethroughAct);
 
     QAction *inlineCodeAct = new QAction(QIcon(":/resources/icons/inline_code.svg"),
-                                         tr("Inline Code"), this);
+                                         tr("Inline Code (Ctrl+O)"), this);
     inlineCodeAct->setStatusTip(tr("Insert inline-code text or change selected text to inline-coded"));
     connect(inlineCodeAct, &QAction::triggered,
             this, [this](){
@@ -336,14 +327,16 @@ void VMainWindow::initFileToolBar()
     discardExitAct = new QAction(QIcon(":/resources/icons/discard_exit.svg"),
                                  tr("Discard Changes And Read"), this);
     discardExitAct->setStatusTip(tr("Discard changes and exit edit mode"));
+    discardExitAct->setToolTip(tr("Discard Changes And Read (Ctrl+E Q)"));
     connect(discardExitAct, &QAction::triggered,
             editArea, &VEditArea::readFile);
 
     QMenu *exitEditMenu = new QMenu(this);
+    exitEditMenu->setToolTipsVisible(true);
     exitEditMenu->addAction(discardExitAct);
 
     saveExitAct = new QAction(QIcon(":/resources/icons/save_exit.svg"),
-                              tr("Save Changes And Read"), this);
+                              tr("Save Changes And Read (Ctrl+T)"), this);
     saveExitAct->setStatusTip(tr("Save changes and exit edit mode"));
     saveExitAct->setMenu(exitEditMenu);
     saveExitAct->setShortcut(QKeySequence("Ctrl+T"));

src/vmdeditoperations.cpp

@@ -328,6 +328,17 @@ bool VMdEditOperations::handleKeyPressEvent(QKeyEvent *p_event)
         break;
     }
 
+    case Qt::Key_D:
+    {
+        if (modifiers == Qt::ControlModifier) {
+            decorateStrikethrough();
+            p_event->accept();
+            ret = true;
+        }
+
+        break;
+    }
+
     default:
         break;
     }
@@ -653,18 +664,24 @@ void VMdEditOperations::decorateText(TextDecoration p_decoration)
         return;
     }
 
-    m_vim->setMode(VimMode::Insert, false);
-
     switch (p_decoration) {
     case TextDecoration::Bold:
+        m_vim->setMode(VimMode::Insert, false);
         decorateBold();
         break;
 
     case TextDecoration::Italic:
+        m_vim->setMode(VimMode::Insert, false);
         decorateItalic();
         break;
 
+    case TextDecoration::Strikethrough:
+        m_vim->setMode(VimMode::Insert, false);
+        decorateStrikethrough();
+        break;
+
     case TextDecoration::InlineCode:
+        m_vim->setMode(VimMode::Insert, false);
         decorateInlineCode();
         break;
 
@@ -784,3 +801,40 @@ void VMdEditOperations::decorateInlineCode()
     cursor.endEditBlock();
     m_editor->setTextCursor(cursor);
 }
+
+void VMdEditOperations::decorateStrikethrough()
+{
+    QTextCursor cursor = m_editor->textCursor();
+    cursor.beginEditBlock();
+    if (cursor.hasSelection()) {
+        // Insert ~~ around the selected text.
+        int start = cursor.selectionStart();
+        int end = cursor.selectionEnd();
+        cursor.clearSelection();
+        cursor.setPosition(start, QTextCursor::MoveAnchor);
+        cursor.insertText("~~");
+        cursor.setPosition(end + 2, QTextCursor::MoveAnchor);
+        cursor.insertText("~~");
+    } else {
+        // Insert ~~~~ and place cursor in the middle.
+        // Or if there are one ~~ after current cursor, just skip it.
+        int pos = cursor.positionInBlock();
+        bool hasStrikethrough = false;
+        QString text = cursor.block().text();
+        if (pos <= text.size() - 2) {
+            if (text[pos] == '~' && text[pos + 1] == '~') {
+                hasStrikethrough = true;
+            }
+        }
+
+        if (hasStrikethrough) {
+            cursor.movePosition(QTextCursor::Right, QTextCursor::MoveAnchor, 2);
+        } else {
+            cursor.insertText("~~~~");
+            cursor.movePosition(QTextCursor::Left, QTextCursor::MoveAnchor, 2);
+        }
+    }
+
+    cursor.endEditBlock();
+    m_editor->setTextCursor(cursor);
+}

src/vmdeditoperations.h

@@ -56,6 +56,9 @@ private:
     // Insert inline-code marker or set selected text inline-coded.
     void decorateInlineCode();
 
+    // Insert strikethrough marker or set selected text strikethrough.
+    void decorateStrikethrough();
+
     // The cursor position after auto indent or auto list.
     // It will be -1 if last key press do not trigger the auto indent or auto list.
     int m_autoIndentPos;

src/vnote.qrc

@@ -113,7 +113,6 @@
         <file>utils/flowchart.js/raphael.min.js</file>
         <file>resources/icons/bold.svg</file>
         <file>resources/icons/italic.svg</file>
-        <file>resources/icons/underline.svg</file>
         <file>resources/icons/strikethrough.svg</file>
         <file>resources/icons/inline_code.svg</file>
     </qresource>