Added ability to toggle visibility of tabs (#2600)

This can be done by right-clicking the tab area or pressing the keyboard shortcut (default: Ctrl+U).

Co-authored-by: Leon Richardt <leon.richardt@gmail.com>
Co-authored-by: Rasmus Karlsson <rasmus.karlsson@pajlada.com>

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## Unversioned
 
+- Major: Added ability to toggle visibility of Channel Tabs - This can be done by right-clicking the tab area or pressing the keyboard shortcut (default: Ctrl+U). (#2600)
 - Minor: Added moderation buttons to search popup when searching in a split with moderation mode enabled. (#2148, #2803)
 - Minor: Made "#channel" in `/mentions` tab show in usercards and in the search popup. (#2802)
 - Minor: Added settings to disable custom FrankerFaceZ VIP/mod badges. (#2693, #2759)

src/singletons/Settings.hpp

@@ -360,6 +360,8 @@ public:
     BoolSetting attachExtensionToAnyProcess = {
         "/misc/attachExtensionToAnyProcess", false};
     BoolSetting askOnImageUpload = {"/misc/askOnImageUpload", true};
+    BoolSetting informOnTabVisibilityToggle = {"/misc/askOnTabVisibilityToggle",
+                                               true};
 
     /// Debug
     BoolSetting showUnhandledIrcMessages = {"/debug/showUnhandledIrcMessages",

src/widgets/Notebook.cpp

@@ -29,11 +29,16 @@ namespace chatterino {
 
 Notebook::Notebook(QWidget *parent)
     : BaseWidget(parent)
+    , menu_(this)
     , addButton_(new NotebookButton(this))
 {
     this->addButton_->setIcon(NotebookButton::Icon::Plus);
 
     this->addButton_->setHidden(true);
+
+    this->menu_.addAction("Toggle visibility of tabs", [this]() {
+        this->setShowTabs(!this->getShowTabs());
+    });
 }
 
 NotebookTab *Notebook::addPage(QWidget *page, QString title, bool select)
@@ -325,6 +330,48 @@ void Notebook::setAllowUserTabManagement(bool value)
     this->allowUserTabManagement_ = value;
 }
 
+bool Notebook::getShowTabs() const
+{
+    return this->showTabs_;
+}
+
+void Notebook::setShowTabs(bool value)
+{
+    this->showTabs_ = value;
+
+    this->performLayout();
+    for (auto &item : this->items_)
+    {
+        item.tab->setHidden(!value);
+    }
+
+    this->setShowAddButton(value);
+
+    // show a popup upon hiding tabs
+    if (!value && getSettings()->informOnTabVisibilityToggle.getValue())
+    {
+        QMessageBox msgBox;
+        msgBox.window()->setWindowTitle("Chatterino - hidden tabs");
+        msgBox.setText("You've just hidden your tabs");
+        msgBox.setInformativeText(
+            "You can toggle tabs by using the keyboard shortcut (Ctrl + U by "
+            "default) or right-clicking on the tab area and selecting \"Toggle "
+            "visibility of tabs\".");
+        msgBox.addButton(QMessageBox::Ok);
+        auto *dsaButton =
+            msgBox.addButton("Don't show again", QMessageBox::YesRole);
+
+        msgBox.setDefaultButton(QMessageBox::Ok);
+
+        msgBox.exec();
+
+        if (msgBox.clickedButton() == dsaButton)
+        {
+            getSettings()->informOnTabVisibilityToggle.setValue(false);
+        }
+    }
+}
+
 bool Notebook::getShowAddButton() const
 {
     return this->showAddButton_;
@@ -359,12 +406,14 @@ void Notebook::performLayout(bool animated)
     const auto left = int(2 * this->scale());
     const auto scale = this->scale();
     const auto tabHeight = int(NOTEBOOK_TAB_HEIGHT * scale);
+    const auto minimumTabAreaSpace = int(tabHeight * 0.5);
     const auto addButtonWidth = this->showAddButton_ ? tabHeight : 0;
 
     if (this->tabDirection_ == NotebookTabDirection::Horizontal)
     {
         auto x = left;
         auto y = 0;
+        auto buttonHeight = 0;
 
         // set size of custom buttons (settings, user, ...)
         for (auto *btn : this->customButtons_)
@@ -377,8 +426,12 @@ void Notebook::performLayout(bool animated)
             btn->setFixedSize(tabHeight, tabHeight - 1);
             btn->move(x, 0);
             x += tabHeight;
+
+            buttonHeight = tabHeight;
         }
 
+        if (this->showTabs_)
+        {
             // layout tabs
             /// Notebook tabs need to know if they are in the last row.
             auto firstInBottomRow =
@@ -423,14 +476,7 @@ void Notebook::performLayout(bool animated)
                 this->addButton_->move(x, y);
             }
 
-        if (this->lineOffset_ != y + tabHeight)
-        {
-            this->lineOffset_ = y + tabHeight;
-            this->update();
-        }
-
-        /// Increment for the line at the bottom
-        y += int(2 * scale);
+            y += tabHeight;
 
             // raise elements
             for (auto &i : this->items_)
@@ -442,12 +488,24 @@ void Notebook::performLayout(bool animated)
             {
                 this->addButton_->raise();
             }
+        }
+
+        y = std::max({y, buttonHeight, minimumTabAreaSpace});
+
+        if (this->lineOffset_ != y)
+        {
+            this->lineOffset_ = y;
+            this->update();
+        }
+
+        /// Increment for the line at the bottom
+        y += int(2 * scale);
 
         // set page bounds
         if (this->selectedPage_ != nullptr)
         {
-            this->selectedPage_->move(0, y + tabHeight);
-            this->selectedPage_->resize(width(), height() - y - tabHeight);
+            this->selectedPage_->move(0, y);
+            this->selectedPage_->resize(width(), height() - y);
             this->selectedPage_->raise();
         }
     }
@@ -477,12 +535,19 @@ void Notebook::performLayout(bool animated)
         int top = y;
         x = left;
 
+        // zneix: if we were to remove buttons when tabs are hidden
+        // stuff below to "set page bounds" part should be in conditional statement
         int verticalRowSpace = (this->height() - top) / tabHeight;
         if (verticalRowSpace == 0)  // window hasn't properly rendered yet
+        {
             return;
+        }
         int count = this->items_.size() + (this->showAddButton_ ? 1 : 0);
         int columnCount = ceil((float)count / verticalRowSpace);
 
+        // only add width of all the tabs if they are not hidden
+        if (this->showTabs_)
+        {
             for (int col = 0; col < columnCount; col++)
             {
                 auto largestWidth = 0;
@@ -523,8 +588,9 @@ void Notebook::performLayout(bool animated)
                 x += largestWidth + lineThickness;
                 y = top;
             }
+        }
 
-        x = std::max(x, buttonWidth);
+        x = std::max({x, buttonWidth, minimumTabAreaSpace});
 
         if (this->lineOffset_ != x - lineThickness)
         {
@@ -553,6 +619,20 @@ void Notebook::performLayout(bool animated)
     }
 }
 
+void Notebook::mousePressEvent(QMouseEvent *event)
+{
+    this->update();
+
+    switch (event->button())
+    {
+        case Qt::RightButton: {
+            this->menu_.popup(event->globalPos() + QPoint(0, 8));
+        }
+        break;
+        default:;
+    }
+}
+
 void Notebook::setTabDirection(NotebookTabDirection direction)
 {
     if (direction != this->tabDirection_)
@@ -713,7 +793,7 @@ SplitContainer *SplitNotebook::addPage(bool select)
     auto tab = Notebook::addPage(container, QString(), select);
     container->setTab(tab);
     tab->setParent(this);
-    tab->show();
+    tab->setVisible(this->getShowTabs());
     return container;
 }
 

src/widgets/Notebook.hpp

@@ -4,6 +4,7 @@
 #include "widgets/BaseWidget.hpp"
 
 #include <QList>
+#include <QMenu>
 #include <QMessageBox>
 #include <QWidget>
 #include <pajlada/signals/signalholder.hpp>
@@ -49,6 +50,9 @@ public:
     bool getAllowUserTabManagement() const;
     void setAllowUserTabManagement(bool value);
 
+    bool getShowTabs() const;
+    void setShowTabs(bool value);
+
     bool getShowAddButton() const;
     void setShowAddButton(bool value);
 
@@ -59,6 +63,7 @@ public:
 protected:
     virtual void scaleChangedEvent(float scale_) override;
     virtual void resizeEvent(QResizeEvent *) override;
+    virtual void mousePressEvent(QMouseEvent *event) override;
     virtual void paintEvent(QPaintEvent *) override;
 
     NotebookButton *getAddButton();
@@ -83,12 +88,14 @@ private:
     NotebookTab *getTabFromPage(QWidget *page);
 
     QList<Item> items_;
+    QMenu menu_;
     QWidget *selectedPage_ = nullptr;
 
     NotebookButton *addButton_;
     std::vector<NotebookButton *> customButtons_;
 
     bool allowUserTabManagement_ = false;
+    bool showTabs_ = true;
     bool showAddButton_ = false;
     int lineOffset_ = 20;
     NotebookTabDirection tabDirection_ = NotebookTabDirection::Horizontal;

src/widgets/Window.cpp

@@ -401,6 +401,10 @@ void Window::addShortcuts()
             new QuickSwitcherPopup(&getApp()->windows->getMainWindow());
         quickSwitcher->show();
     });
+
+    createWindowShortcut(this, "CTRL+U", [this] {
+        this->notebook_->setShowTabs(!this->notebook_->getShowTabs());
+    });
 }
 
 void Window::addMenuBar()

src/widgets/helper/NotebookTab.cpp

@@ -73,6 +73,12 @@ NotebookTab::NotebookTab(Notebook *notebook)
                          this->highlightEnabled_ = checked;
                      });
     this->menu_.addAction(highlightNewMessagesAction_);
+
+    this->menu_.addSeparator();
+
+    this->menu_.addAction("Toggle visibility of tabs", [this]() {
+        this->notebook_->setShowTabs(!this->notebook_->getShowTabs());
+    });
 }
 
 void NotebookTab::showRenameDialog()

src/widgets/settingspages/KeyboardSettingsPage.cpp

@@ -57,6 +57,7 @@ KeyboardSettingsPage::KeyboardSettingsPage()
 
     form->addRow(new QLabel("Alt + ←/↑/→/↓"),
                  new QLabel("Select left/upper/right/bottom split"));
+    form->addRow(new QLabel("Ctrl+U"), new QLabel("Toggle visibility of tabs"));
 
     form->addItem(new QSpacerItem(16, 16));
     form->addRow(new QLabel("Ctrl + R"), new QLabel("Change channel"));