src/dolphintabwidget.h

   1 /*
   2  * SPDX-FileCopyrightText: 2014 Emmanuel Pescosta <emmanuelpescosta099@gmail.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #ifndef DOLPHIN_TAB_WIDGET_H
   8 #define DOLPHIN_TAB_WIDGET_H
   9
  10 #include <QTabWidget>
  11 #include <QUrl>
  12
  13 class DolphinViewContainer;
  14 class DolphinTabPage;
  15 class KConfigGroup;
  16
  17 class DolphinTabWidget : public QTabWidget
  18 {
  19     Q_OBJECT
  20
  21 public:
  22     /**
  23      * @brief Controls where tabs are placed
  24      */
  25     enum TabPlacement {
  26         /**
  27           * The new tab is placed after the current tab
  28           */
  29         AfterCurrentTab,
  30         /**
  31           * The new tab is placed after the last tab
  32           */
  33         AfterLastTab
  34     };
  35     explicit DolphinTabWidget(QWidget* parent);
  36
  37     /**
  38      * @return Tab page at the current index (can be 0 if tabs count is smaller than 1)
  39      */
  40     DolphinTabPage* currentTabPage() const;
  41
  42     /**
  43      * @return the next tab page. If the current active tab is the last tab,
  44      * it returns the first tab. If there is only one tab, returns nullptr
  45      */
  46     DolphinTabPage* nextTabPage() const;
  47
  48     /**
  49      * @return the previous tab page. If the current active tab is the first tab,
  50      * it returns the last tab. If there is only one tab, returns nullptr
  51      */
  52     DolphinTabPage* prevTabPage() const;
  53
  54     /**
  55      * @return Tab page at the given \a index (can be 0 if the index is out-of-range)
  56      */
  57     DolphinTabPage* tabPageAt(const int index) const;
  58
  59     void saveProperties(KConfigGroup& group) const;
  60     void readProperties(const KConfigGroup& group);
  61
  62     /**
  63      * Refreshes the views of the main window by recreating them according to
  64      * the given Dolphin settings.
  65      */
  66     void refreshViews();
  67
  68     /**
  69      * @return Whether any of the tab pages contains @p url in their primary
  70      * or secondary view.
  71      */
  72     bool isUrlOpen(const QUrl& url) const;
  73
  74 signals:
  75     /**
  76      * Is emitted when the active view has been changed, by changing the current
  77      * tab or by activating another view when split view is enabled in the current
  78      * tab.
  79      */
  80     void activeViewChanged(DolphinViewContainer* viewContainer);
  81
  82     /**
  83      * Is emitted when the number of open tabs has changed (e.g. by opening or
  84      * closing a tab)
  85      */
  86     void tabCountChanged(int count);
  87
  88     /**
  89      * Is emitted when a tab has been closed.
  90      */
  91     void rememberClosedTab(const QUrl& url, const QByteArray& state);
  92
  93     /**
  94      * Is emitted when the url of the current tab has been changed. This signal
  95      * is also emitted when the active view has been changed.
  96      */
  97     void currentUrlChanged(const QUrl& url);
  98
  99 public slots:
 100     /**
 101      * Opens a new view with the current URL that is part of a tab and activates
 102      * the tab.
 103      */
 104     void openNewActivatedTab();
 105
 106     /**
 107      * Opens a new tab showing the  URL \a primaryUrl and the optional URL
 108      * \a secondaryUrl and activates the tab.
 109      */
 110     void openNewActivatedTab(const QUrl& primaryUrl, const QUrl& secondaryUrl = QUrl());
 111
 112     /**
 113      * Opens a new tab in the background showing the URL \a primaryUrl and the
 114      * optional URL \a secondaryUrl. \a tabPlacement controls where the new tab
 115      * is placed.
 116      */
 117     void openNewTab(const QUrl &primaryUrl, const QUrl &secondaryUrl = QUrl(),
 118                     DolphinTabWidget::TabPlacement tabPlacement = AfterLastTab);
 119
 120     /**
 121      * Opens each directory in \p dirs in a separate tab. If \a splitView is set,
 122      * 2 directories are collected within one tab.
 123      * \pre \a dirs must contain at least one url.
 124      */
 125     void openDirectories(const QList<QUrl>& dirs, bool splitView);
 126
 127     /**
 128      * Opens the directories which contain the files \p files and selects all files.
 129      * If \a splitView is set, 2 directories are collected within one tab.
 130      * \pre \a files must contain at least one url.
 131      */
 132     void openFiles(const QList<QUrl> &files, bool splitView);
 133
 134     /**
 135      * Closes the currently active tab.
 136      */
 137     void closeTab();
 138
 139     /**
 140      * Closes the tab with the index \a index and activates the tab with index - 1.
 141      */
 142     void closeTab(const int index);
 143
 144     /**
 145      * Activates the tab with the index \a index.
 146      */
 147     void activateTab(const int index);
 148
 149     /**
 150      * Activates the last tab in the tab bar.
 151      */
 152     void activateLastTab();
 153
 154     /**
 155      * Activates the next tab in the tab bar.
 156      * If the current active tab is the last tab, it activates the first tab.
 157      */
 158     void activateNextTab();
 159
 160     /**
 161      * Activates the previous tab in the tab bar.
 162      * If the current active tab is the first tab, it activates the last tab.
 163      */
 164     void activatePrevTab();
 165
 166     /**
 167      * Is invoked if the Places panel got visible/invisible and takes care
 168      * that the places-selector of all views is only shown if the Places panel
 169      * is invisible.
 170      */
 171     void slotPlacesPanelVisibilityChanged(bool visible);
 172
 173     /**
 174      * Is called when the user wants to reopen a previously closed tab from
 175      * the recent tabs menu.
 176      */
 177     void restoreClosedTab(const QByteArray& state);
 178
 179     /** Copies all selected items to the inactive view. */
 180     void copyToInactiveSplitView();
 181
 182     /** Moves all selected items to the inactive view. */
 183     void moveToInactiveSplitView();
 184
 185 private slots:
 186     /**
 187      * Opens the tab with the index \a index in a new Dolphin instance and closes
 188      * this tab.
 189      */
 190     void detachTab(int index);
 191
 192     /**
 193      * Opens a new tab showing the url from tab at the given \a index and
 194      * activates the tab.
 195      */
 196     void openNewActivatedTab(int index);
 197
 198     /**
 199      * Is connected to the KTabBar signal receivedDropEvent.
 200      * Allows dragging and dropping files onto tabs.
 201      */
 202     void tabDropEvent(int tab, QDropEvent* event);
 203
 204     /**
 205      * The active view url of a tab has been changed so update the text and the
 206      * icon of the corresponding tab.
 207      */
 208     void tabUrlChanged(const QUrl& url);
 209
 210     void currentTabChanged(int index);
 211
 212 protected:
 213     void tabInserted(int index) override;
 214     void tabRemoved(int index) override;
 215
 216 private:
 217     /**
 218      * @param tabPage The tab page to get the name of
 219      * @return The name of the tab page
 220      */
 221     QString tabName(DolphinTabPage* tabPage) const;
 222
 223     /**
 224      * @param url The URL that we would like
 225      * @return a QPair with first containing the index of the tab with the
 226      * desired URL or -1 if not found. Second says true if URL is in primary
 227      * view container, false otherwise. False means the URL is in the secondary
 228      * view container, unless first == -1. In that case the value of second
 229      * is meaningless.
 230      */
 231     QPair<int, bool> indexByUrl(const QUrl& url) const;
 232
 233 private:
 234     /** Caches the (negated) places panel visibility */
 235     bool m_placesSelectorVisible;
 236
 237     int m_lastViewedTab;
 238 };
 239
 240 #endif