Limit folder panel to home directory if inside home

Summary:
Added the option to limit the displayed folders in the folder panel (F7) to the tree below the user's home directory if the current URL is inside the home directory.
This can be configured in the preferences General/Behaviour tab by checking the corresponding check box.

Reviewers: #dolphin, elvisangelaccio, emmanuelp

Reviewed By: #dolphin, elvisangelaccio, emmanuelp

Subscribers: emmanuelp, elvisangelaccio, #konqueror, #dolphin

Differential Revision: https://phabricator.kde.org/D7477

1 files changed, 31 insertions, 2 deletions

diff --git a/src/panels/folders/folderspanel.cpp b/src/panels/folders/folderspanel.cpp
index 8b759d813..cb35fd218 100644
--- a/src/panels/folders/folderspanel.cpp
+++ b/src/panels/folders/folderspanel.cpp
@@ -50,6 +50,7 @@
 #include <views/draganddrophelper.h>
 
 #include "dolphindebug.h"
+#include "global.h"
 
 FoldersPanel::FoldersPanel(QWidget* parent) :
     Panel(parent),
@@ -82,6 +83,17 @@ bool FoldersPanel::showHiddenFiles() const
     return FoldersPanelSettings::hiddenFilesShown();
 }
 
+void FoldersPanel::setLimitFoldersPanelToHome(bool enable)
+{
+    FoldersPanelSettings::setLimitFoldersPanelToHome(enable);
+    reloadTree();
+}
+
+bool FoldersPanel::limitFoldersPanelToHome() const
+{
+    return FoldersPanelSettings::limitFoldersPanelToHome();
+}
+
 void FoldersPanel::setAutoScrolling(bool enable)
 {
     // TODO: Not supported yet in Dolphin 2.0
@@ -122,6 +134,14 @@ bool FoldersPanel::urlChanged()
     return true;
 }
 
+void FoldersPanel::reloadTree()
+{
+    if (m_controller) {
+        loadTree(url());
+    }
+}
+
+
 void FoldersPanel::showEvent(QShowEvent* event)
 {
     if (event->spontaneous()) {
@@ -304,8 +324,13 @@ void FoldersPanel::loadTree(const QUrl& url)
 
     QUrl baseUrl;
     if (url.isLocalFile()) {
-        // Use the root directory as base for local URLs (#150941)
-        baseUrl = QUrl::fromLocalFile(QDir::rootPath());
+        const bool isInHomeFolder = Dolphin::homeUrl().isParentOf(url) || (Dolphin::homeUrl() == url);
+        if (FoldersPanelSettings::limitFoldersPanelToHome() && isInHomeFolder) {
+            baseUrl = Dolphin::homeUrl();
+        } else {
+            // Use the root directory as base for local URLs (#150941)
+            baseUrl = QUrl::fromLocalFile(QDir::rootPath());
+        }
     } else {
         // Clear the path for non-local URLs and use it as base
         baseUrl = url;
@@ -320,9 +345,13 @@ void FoldersPanel::loadTree(const QUrl& url)
     const int index = m_model->index(url);
     if (index >= 0) {
         updateCurrentItem(index);
+    } else if (url == baseUrl) {
+        // clear the selection when visiting the base url
+        updateCurrentItem(-1);
     } else {
         m_updateCurrentItem = true;
         m_model->expandParentDirectories(url);
+
         // slotLoadingCompleted() will be invoked after the model has
         // expanded the url
     }