Merge remote-tracking branch 'fork/work/zakharafoniam/useful-groups'

[dolphin.git] / src / dolphintabpage.h

diff --git a/src/dolphintabpage.h b/src/dolphintabpage.h
index 57a0c33440552091d71059d590133d59a58551ca..1e79fb5db071f48c68f95c06faedcb2a033064db 100644 (file)
--- a/src/dolphintabpage.h
+++ b/src/dolphintabpage.h
@@ -1,6 +1,6 @@
 /*
  * SPDX-FileCopyrightText: 2014 Emmanuel Pescosta <emmanuelpescosta099@gmail.com>
- * SPDX-FileCopyrightText: 2020 Felix Ernst <fe.a.ernst@gmail.com>
+ * SPDX-FileCopyrightText: 2020 Felix Ernst <felixernst@kde.org>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
@@ -8,27 +8,25 @@
 #ifndef DOLPHIN_TAB_PAGE_H
 #define DOLPHIN_TAB_PAGE_H
 
+#include "global.h"
+
 #include <QPointer>
+#include <QSplitter>
 #include <QUrl>
 #include <QWidget>
 
 class DolphinNavigatorsWidgetAction;
 class DolphinViewContainer;
-class QSplitter;
 class QVariantAnimation;
 class KFileItemList;
-
-enum Animated {
-    WithAnimation,
-    WithoutAnimation
-};
+class DolphinTabPageSplitter;
 
 class DolphinTabPage : public QWidget
 {
     Q_OBJECT
 
 public:
-    explicit DolphinTabPage(const QUrl& primaryUrl, const QUrl& secondaryUrl = QUrl(), QWidget* parent = nullptr);
+    explicit DolphinTabPage(const QUrl &primaryUrl, const QUrl &secondaryUrl = QUrl(), QWidget *parent = nullptr);
 
     /**
      * @return True if primary view is the active view in this tab.
@@ -45,7 +43,7 @@ public:
      *
      * @param enabled      If true, creates a secondary viewContainer in this tab.
      *                     Otherwise deletes it.
-     * @param animated     Decides wether the effects of this method call should
+     * @param animated     Decides whether the effects of this method call should
      *                     happen instantly or be transitioned to smoothly.
      * @param secondaryUrl If \p enabled is true, the new viewContainer will be opened at this
      *                     parameter. The default value will set the Url of the new viewContainer
@@ -56,17 +54,23 @@ public:
     /**
      * @return The primary view container.
      */
-    DolphinViewContainer* primaryViewContainer() const;
+    DolphinViewContainer *primaryViewContainer() const;
 
     /**
      * @return The secondary view container, can be 0 if split view is disabled.
      */
-    DolphinViewContainer* secondaryViewContainer() const;
+    DolphinViewContainer *secondaryViewContainer() const;
 
     /**
      * @return DolphinViewContainer of the active view
      */
-    DolphinViewContainer* activeViewContainer() const;
+    DolphinViewContainer *activeViewContainer() const;
+
+    /**
+     * @return DolphinViewContainer of the inactive view
+     * if split view is enabled, or nullptr otherwise.
+     */
+    DolphinViewContainer *inactiveViewContainer() const;
 
     /**
      * Returns the selected items. The list is empty if no item has been
@@ -107,7 +111,7 @@ public:
      * Marks the item indicated by \p url to be scrolled to and as the
      * current item after directory DolphinView::url() has been loaded.
      */
-    void markUrlAsCurrent(const QUrl& url);
+    void markUrlAsCurrent(const QUrl &url);
 
     /**
      * Refreshes the views of the main window by recreating them according to
@@ -126,7 +130,7 @@ public:
      * Restores all tab related properties (urls, splitter layout, ...) from
      * the given \a state.
      */
-    void restoreState(const QByteArray& state);
+    void restoreState(const QByteArray &state);
 
     /**
      * Set whether the tab page is active
@@ -134,9 +138,23 @@ public:
      */
     void setActive(bool active);
 
+    void switchActiveView();
+
+    /**
+     * Overwrites the automatically generated label of this tab with @p label.
+     * This @p label will be kept until it is overwritten by calling this method again.
+     * Calling this with an empty string will restore the automatic labelling.
+     */
+    void setCustomLabel(const QString &label);
+
+    /**
+     * @see setCustomLabel.
+     */
+    QString customLabel() const;
+
 Q_SIGNALS:
-    void activeViewChanged(DolphinViewContainer* viewContainer);
-    void activeViewUrlChanged(const QUrl& url);
+    void activeViewChanged(DolphinViewContainer *viewContainer);
+    void activeViewUrlChanged(const QUrl &url);
     void splitterMoved(int pos, int index);
 
 private Q_SLOTS:
@@ -164,15 +182,13 @@ private Q_SLOTS:
      *
      * It emits the activeViewUrlChanged signal with the url \a newUrl.
      */
-    void slotViewUrlRedirection(const QUrl& oldUrl, const QUrl& newUrl);
-
-    void switchActiveView();
+    void slotViewUrlRedirection(const QUrl &oldUrl, const QUrl &newUrl);
 
 private:
     /**
      * Creates a new view container and does the default initialization.
      */
-    DolphinViewContainer* createViewContainer(const QUrl& url) const;
+    DolphinViewContainer *createViewContainer(const QUrl &url) const;
 
     /**
      * Starts an animation that transitions between split view mode states.
@@ -185,7 +201,7 @@ private:
     void startExpandViewAnimation(DolphinViewContainer *expandingContainer);
 
 private:
-    QSplitter* m_splitter;
+    DolphinTabPageSplitter *m_splitter;
 
     QPointer<DolphinNavigatorsWidgetAction> m_navigatorsWidget;
     QPointer<DolphinViewContainer> m_primaryViewContainer;
@@ -197,6 +213,38 @@ private:
     bool m_primaryViewActive;
     bool m_splitViewEnabled;
     bool m_active;
+    /** @see setCustomLabel(). */
+    QString m_customLabel;
+};
+
+class DolphinTabPageSplitterHandle : public QSplitterHandle
+{
+    Q_OBJECT
+
+public:
+    explicit DolphinTabPageSplitterHandle(Qt::Orientation orientation, QSplitter *parent);
+
+protected:
+    bool event(QEvent *event) override;
+
+private:
+    void resetSplitterSizes();
+
+    // Sometimes QSplitterHandle doesn't receive MouseButtonDblClick event.
+    // We can detect that MouseButtonDblClick event should have been
+    // received if we receive two MouseButtonRelease events in a row.
+    bool m_mouseReleaseWasReceived;
+};
+
+class DolphinTabPageSplitter : public QSplitter
+{
+    Q_OBJECT
+
+public:
+    explicit DolphinTabPageSplitter(Qt::Orientation orientation, QWidget *parent);
+
+protected:
+    QSplitterHandle *createHandle() override;
 };
 
 #endif // DOLPHIN_TAB_PAGE_H