Make sure that widgets are initialized when changing the view mode

[dolphin.git] / src / kitemviews / kitemlistcontroller.cpp

diff --git a/src/kitemviews/kitemlistcontroller.cpp b/src/kitemviews/kitemlistcontroller.cpp
index 9856636229c7c4a5afe1116d4648b0ce0cc91917..4629b29f1b3a13f30e1a1ef731a786a0b6a73607 100644 (file)
--- a/src/kitemviews/kitemlistcontroller.cpp
+++ b/src/kitemviews/kitemlistcontroller.cpp
@@ -40,13 +40,16 @@
 #include <QGraphicsView>
 #include <QMimeData>
 #include <QTimer>
+#include <QAccessible>
 
 KItemListController::KItemListController(KItemModelBase* model, KItemListView* view, QObject* parent) :
     QObject(parent),
-    m_singleClickActivation(KGlobalSettings::singleClick()),
+    m_singleClickActivationEnforced(false),
     m_selectionTogglePressed(false),
     m_clearSelectionIfItemsAreNotDragged(false),
     m_selectionBehavior(NoSelection),
+    m_autoActivationBehavior(ActivationAndExpansion),
+    m_mouseDoubleClickAction(ActivateItemOnly),
     m_model(0),
     m_view(0),
     m_selectionManager(new KItemListSelectionManager(this)),
@@ -157,6 +160,26 @@ KItemListController::SelectionBehavior KItemListController::selectionBehavior()
     return m_selectionBehavior;
 }
 
+void KItemListController::setAutoActivationBehavior(AutoActivationBehavior behavior)
+{
+    m_autoActivationBehavior = behavior;
+}
+
+KItemListController::AutoActivationBehavior KItemListController::autoActivationBehavior() const
+{
+    return m_autoActivationBehavior;
+}
+
+void KItemListController::setMouseDoubleClickAction(MouseDoubleClickAction action)
+{
+    m_mouseDoubleClickAction = action;
+}
+
+KItemListController::MouseDoubleClickAction KItemListController::mouseDoubleClickAction() const
+{
+    return m_mouseDoubleClickAction;
+}
+
 void KItemListController::setAutoActivationDelay(int delay)
 {
     m_autoActivationTimer->setInterval(delay);
@@ -167,14 +190,14 @@ int KItemListController::autoActivationDelay() const
     return m_autoActivationTimer->interval();
 }
 
-void KItemListController::setSingleClickActivation(bool singleClick)
+void KItemListController::setSingleClickActivationEnforced(bool singleClick)
 {
-    m_singleClickActivation = singleClick;
+    m_singleClickActivationEnforced = singleClick;
 }
 
-bool KItemListController::singleClickActivation() const
+bool KItemListController::singleClickActivationEnforced() const
 {
-    return m_singleClickActivation;
+    return m_singleClickActivationEnforced;
 }
 
 bool KItemListController::showEvent(QShowEvent* event)
@@ -397,6 +420,8 @@ bool KItemListController::keyPressEvent(QKeyEvent* event)
 
     default:
         m_keyboardManager->addKeys(event->text());
+        // Make sure unconsumed events get propagated up the chain. #302329
+        event->ignore();
         return false;
     }
 
@@ -467,11 +492,20 @@ void KItemListController::slotAutoActivationTimeout()
         return;
     }
 
-    if (m_model->supportsDropping(index)) {
+    /* m_view->isUnderMouse() fixes a bug in the Folder-View-Panel and in the
+     * Places-Panel.
+     *
+     * Bug: When you drag a file onto a Folder-View-Item or a Places-Item and
+     * then move away before the auto-activation timeout triggers, than the
+     * item still becomes activated/expanded.
+     *
+     * See Bug 293200 and 305783
+     */
+    if (m_model->supportsDropping(index) && m_view->isUnderMouse()) {
         if (m_view->supportsItemExpanding() && m_model->isExpandable(index)) {
             const bool expanded = m_model->isExpanded(index);
             m_model->setExpanded(index, !expanded);
-        } else {
+        } else if (m_autoActivationBehavior != ExpansionOnly) {
             emit itemActivated(index);
         }
     }
@@ -722,7 +756,7 @@ bool KItemListController::mouseReleaseEvent(QGraphicsSceneMouseEvent* event, con
             } else if (shiftOrControlPressed) {
                 // The mouse click should only update the selection, not trigger the item
                 emitItemActivated = false;
-            } else if (!m_singleClickActivation) {
+            } else if (!(KGlobalSettings::singleClick() || m_singleClickActivationEnforced)) {
                 emitItemActivated = false;
             }
             if (emitItemActivated) {
@@ -744,7 +778,15 @@ bool KItemListController::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event,
     const QPointF pos = transform.map(event->pos());
     const int index = m_view->itemAt(pos);
 
-    bool emitItemActivated = !m_singleClickActivation &&
+    // Expand item if desired - See Bug 295573
+    if (m_mouseDoubleClickAction != ActivateItemOnly) {
+        if (m_view && m_model && m_view->supportsItemExpanding() && m_model->isExpandable(index)) {
+            const bool expanded = m_model->isExpanded(index);
+            m_model->setExpanded(index, !expanded);
+        }
+    }
+
+    bool emitItemActivated = !(KGlobalSettings::singleClick() || m_singleClickActivationEnforced) &&
                              (event->button() & Qt::LeftButton) &&
                              index >= 0 && index < m_model->count();
     if (emitItemActivated) {
@@ -796,27 +838,39 @@ bool KItemListController::dragMoveEvent(QGraphicsSceneDragDropEvent* event, cons
             oldHoveredWidget->setHovered(false);
             emit itemUnhovered(oldHoveredWidget->index());
         }
+    }
 
-        if (newHoveredWidget) {
-            bool droppingBetweenItems = false;
-            if (m_model->sortRole().isEmpty()) {
-                // The model supports inserting items between other items.
-                droppingBetweenItems = (m_view->showDropIndicator(pos) >= 0);
-            }
+    if (newHoveredWidget) {
+        bool droppingBetweenItems = false;
+        if (m_model->sortRole().isEmpty()) {
+            // The model supports inserting items between other items.
+            droppingBetweenItems = (m_view->showDropIndicator(pos) >= 0);
+        }
 
-            const int index = newHoveredWidget->index();
-            if (!droppingBetweenItems && m_model->supportsDropping(index)) {
+        const int index = newHoveredWidget->index();
+        if (!droppingBetweenItems) {
+            if (m_model->supportsDropping(index)) {
                 // Something has been dragged on an item.
                 m_view->hideDropIndicator();
-                newHoveredWidget->setHovered(true);
-                emit itemHovered(index);
+                if (!newHoveredWidget->isHovered()) {
+                    newHoveredWidget->setHovered(true);
+                    emit itemHovered(index);
+                }
 
-                if (m_autoActivationTimer->interval() >= 0) {
+                if (!m_autoActivationTimer->isActive() && m_autoActivationTimer->interval() >= 0) {
                     m_autoActivationTimer->setProperty("index", index);
                     m_autoActivationTimer->start();
                 }
             }
+        } else {
+            m_autoActivationTimer->stop();
+            if (newHoveredWidget && newHoveredWidget->isHovered()) {
+                newHoveredWidget->setHovered(false);
+                emit itemUnhovered(index);
+            }
         }
+    } else {
+        m_view->hideDropIndicator();
     }
 
     return false;