Create unit-test for KStandardItemModel

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

diff --git a/src/kitemviews/kitemlistcontroller.cpp b/src/kitemviews/kitemlistcontroller.cpp
index 560d16042d32203c2a55ad3899d27fca68805e19..6045f5020c1e147741554c6e7d00b2219efadf3a 100644 (file)
--- a/src/kitemviews/kitemlistcontroller.cpp
+++ b/src/kitemviews/kitemlistcontroller.cpp
@@ -23,10 +23,14 @@
 
 #include "kitemlistcontroller.h"
 
+#include <KGlobalSettings>
+#include <KDebug>
+
 #include "kitemlistview.h"
-#include "kitemlistrubberband_p.h"
 #include "kitemlistselectionmanager.h"
-#include "kitemlistkeyboardsearchmanager_p.h"
+
+#include "private/kitemlistrubberband.h"
+#include "private/kitemlistkeyboardsearchmanager.h"
 
 #include <QApplication>
 #include <QDrag>
@@ -37,10 +41,7 @@
 #include <QMimeData>
 #include <QTimer>
 
-#include <KGlobalSettings>
-#include <KDebug>
-
-KItemListController::KItemListController(QObject* parent) :
+KItemListController::KItemListController(KItemModelBase* model, KItemListView* view, QObject* parent) :
     QObject(parent),
     m_singleClickActivation(KGlobalSettings::singleClick()),
     m_selectionTogglePressed(false),
@@ -59,15 +60,25 @@ KItemListController::KItemListController(QObject* parent) :
 {
     connect(m_keyboardManager, SIGNAL(changeCurrentItem(QString,bool)),
             this, SLOT(slotChangeCurrentItem(QString,bool)));
+    connect(m_selectionManager, SIGNAL(currentChanged(int,int)),
+            m_keyboardManager, SLOT(slotCurrentChanged(int,int)));
 
     m_autoActivationTimer = new QTimer(this);
     m_autoActivationTimer->setSingleShot(true);
     m_autoActivationTimer->setInterval(-1);
     connect(m_autoActivationTimer, SIGNAL(timeout()), this, SLOT(slotAutoActivationTimeout()));
+
+    setModel(model);
+    setView(view);
 }
 
 KItemListController::~KItemListController()
 {
+    setView(0);
+    Q_ASSERT(!m_view);
+
+    setModel(0);
+    Q_ASSERT(!m_model);
 }
 
 void KItemListController::setModel(KItemModelBase* model)
@@ -77,7 +88,14 @@ void KItemListController::setModel(KItemModelBase* model)
     }
 
     KItemModelBase* oldModel = m_model;
+    if (oldModel) {
+        oldModel->deleteLater();
+    }
+
     m_model = model;
+    if (m_model) {
+        m_model->setParent(this);
+    }
 
     if (m_view) {
         m_view->setModel(m_model);
@@ -107,14 +125,17 @@ void KItemListController::setView(KItemListView* view)
     KItemListView* oldView = m_view;
     if (oldView) {
         disconnect(oldView, SIGNAL(scrollOffsetChanged(qreal,qreal)), this, SLOT(slotViewScrollOffsetChanged(qreal,qreal)));
+        oldView->deleteLater();
     }
 
     m_view = view;
 
     if (m_view) {
+        m_view->setParent(this);
         m_view->setController(this);
         m_view->setModel(m_model);
         connect(m_view, SIGNAL(scrollOffsetChanged(qreal,qreal)), this, SLOT(slotViewScrollOffsetChanged(qreal,qreal)));
+        updateExtendedSelectionRegion();
     }
 
     emit viewChanged(m_view, oldView);
@@ -128,6 +149,7 @@ KItemListView* KItemListController::view() const
 void KItemListController::setSelectionBehavior(SelectionBehavior behavior)
 {
     m_selectionBehavior = behavior;
+    updateExtendedSelectionRegion();
 }
 
 KItemListController::SelectionBehavior KItemListController::selectionBehavior() const
@@ -202,8 +224,9 @@ bool KItemListController::keyPressEvent(QKeyEvent* event)
         default:            break;
         }
     }
-    
-    const bool selectSingleItem = itemCount == 1 &&
+
+    const bool selectSingleItem = m_selectionBehavior != NoSelection &&
+                                  itemCount == 1 &&
                                   (key == Qt::Key_Home || key == Qt::Key_End  ||
                                    key == Qt::Key_Up   || key == Qt::Key_Down ||
                                    key == Qt::Key_Left || key == Qt::Key_Right);
@@ -216,10 +239,14 @@ bool KItemListController::keyPressEvent(QKeyEvent* event)
     switch (key) {
     case Qt::Key_Home:
         index = 0;
+        m_keyboardAnchorIndex = index;
+        m_keyboardAnchorPos = keyboardAnchorPos(index);
         break;
 
     case Qt::Key_End:
         index = itemCount - 1;
+        m_keyboardAnchorIndex = index;
+        m_keyboardAnchorPos = keyboardAnchorPos(index);
         break;
 
     case Qt::Key_Left:
@@ -318,13 +345,15 @@ bool KItemListController::keyPressEvent(QKeyEvent* event)
     }
 
     case Qt::Key_Space:
-        if (controlPressed) {
-            m_selectionManager->endAnchoredSelection();
-            m_selectionManager->setSelected(index, 1, KItemListSelectionManager::Toggle);
-            m_selectionManager->beginAnchoredSelection(index);
-        } else {
-            const int current = m_selectionManager->currentItem();
-            m_selectionManager->setSelected(current);
+        if (m_selectionBehavior == MultiSelection) {
+            if (controlPressed) {
+                m_selectionManager->endAnchoredSelection();
+                m_selectionManager->setSelected(index, 1, KItemListSelectionManager::Toggle);
+                m_selectionManager->beginAnchoredSelection(index);
+            } else {
+                const int current = m_selectionManager->currentItem();
+                m_selectionManager->setSelected(current);
+            }
         }
         break;
 
@@ -351,25 +380,46 @@ bool KItemListController::keyPressEvent(QKeyEvent* event)
         break;
     }
 
+    case Qt::Key_Escape:
+        if (m_selectionBehavior != SingleSelection) {
+            m_selectionManager->clearSelection();
+        }
+        m_keyboardManager->cancelSearch();
+        break;
+
     default:
         m_keyboardManager->addKeys(event->text());
         return false;
     }
 
     if (m_selectionManager->currentItem() != index) {
-        if (controlPressed) {
-            m_selectionManager->endAnchoredSelection();
-        }
-
-        m_selectionManager->setCurrentItem(index);
+        switch (m_selectionBehavior) {
+        case NoSelection:
+            m_selectionManager->setCurrentItem(index);
+            break;
 
-        if (!shiftOrControlPressed || m_selectionBehavior == SingleSelection) {
+        case SingleSelection:
+            m_selectionManager->setCurrentItem(index);
             m_selectionManager->clearSelection();
             m_selectionManager->setSelected(index, 1);
-        }
+            break;
 
-        if (!shiftPressed) {
-            m_selectionManager->beginAnchoredSelection(index);
+        case MultiSelection:
+            if (controlPressed) {
+                m_selectionManager->endAnchoredSelection();
+            }
+
+            m_selectionManager->setCurrentItem(index);
+
+            if (!shiftOrControlPressed) {
+                m_selectionManager->clearSelection();
+                m_selectionManager->setSelected(index, 1);
+            }
+
+            if (!shiftPressed) {
+                m_selectionManager->beginAnchoredSelection(index);
+            }
+            break;
         }
 
         m_view->scrollToItem(index);
@@ -433,9 +483,7 @@ bool KItemListController::mousePressEvent(QGraphicsSceneMouseEvent* event, const
 
     m_pressedMousePos = transform.map(event->pos());
     m_pressedIndex = m_view->itemAt(m_pressedMousePos);
-    if (m_pressedIndex >= 0) {
-        emit itemPressed(m_pressedIndex, event->button());
-    }
+    emit mouseButtonPressed(m_pressedIndex, event->buttons());
 
     if (m_view->isAboveExpansionToggle(m_pressedIndex, m_pressedMousePos)) {
         m_selectionManager->endAnchoredSelection();
@@ -616,9 +664,7 @@ bool KItemListController::mouseReleaseEvent(QGraphicsSceneMouseEvent* event, con
         return false;
     }
 
-    if (m_pressedIndex >= 0) {
-        emit itemReleased(m_pressedIndex, event->button());
-    }
+    emit mouseButtonReleased(m_pressedIndex, event->buttons());
 
     const bool isAboveSelectionToggle = m_view->isAboveSelectionToggle(m_pressedIndex, m_pressedMousePos);
     if (isAboveSelectionToggle) {
@@ -710,6 +756,14 @@ bool KItemListController::dragLeaveEvent(QGraphicsSceneDragDropEvent* event, con
 {
     Q_UNUSED(event);
     Q_UNUSED(transform);
+
+    m_view->setAutoScroll(false);
+
+    KItemListWidget* widget = hoveredWidget();
+    if (widget) {
+        widget->setHovered(false);
+        emit itemUnhovered(widget->index());
+    }
     return false;
 }
 
@@ -720,6 +774,8 @@ bool KItemListController::dragMoveEvent(QGraphicsSceneDragDropEvent* event, cons
         return false;
     }
 
+    event->acceptProposedAction();
+
     KItemListWidget* oldHoveredWidget = hoveredWidget();
 
     const QPointF pos = transform.map(event->pos());
@@ -758,6 +814,7 @@ bool KItemListController::dropEvent(QGraphicsSceneDragDropEvent* event, const QT
     }
 
     m_autoActivationTimer->stop();
+    m_view->setAutoScroll(false);
 
     const QPointF pos = transform.map(event->pos());
     const int index = m_view->itemAt(pos);
@@ -1130,4 +1187,16 @@ qreal KItemListController::keyboardAnchorPos(int index) const
     return 0;
 }
 
+void KItemListController::updateExtendedSelectionRegion()
+{
+    if (m_view) {
+        const bool extend = (m_selectionBehavior != MultiSelection);
+        KItemListStyleOption option = m_view->styleOption();
+        if (option.extendedSelectionRegion != extend) {
+            option.extendedSelectionRegion = extend;
+            m_view->setStyleOption(option);
+        }
+    }
+}
+
 #include "kitemlistcontroller.moc"