X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/a46551d63efd09b34fe33766533f6f5333737f22..2060fa8d4676fb2d5116830c304db8fdb556d959:/src/dolphiniconsview.cpp

diff --git a/src/dolphiniconsview.cpp b/src/dolphiniconsview.cpp
index a9328172d..43718a0d1 100644
--- a/src/dolphiniconsview.cpp
+++ b/src/dolphiniconsview.cpp
@@ -21,43 +21,56 @@
 
 #include "dolphincontroller.h"
 #include "dolphinsettings.h"
+#include "dolphinitemcategorizer.h"
 
 #include "dolphin_iconsmodesettings.h"
 
-#include <assert.h>
 #include <kdirmodel.h>
 #include <kfileitem.h>
+#include <kfileitemdelegate.h>
 
 #include <QAbstractProxyModel>
+#include <QPoint>
 
 DolphinIconsView::DolphinIconsView(QWidget* parent, DolphinController* controller) :
-    QListView(parent),
+    KListView(parent),
     m_controller(controller)
 {
     Q_ASSERT(controller != 0);
     setViewMode(QListView::IconMode);
     setResizeMode(QListView::Adjust);
 
+    viewport()->setAttribute(Qt::WA_Hover);
+
     connect(this, SIGNAL(clicked(const QModelIndex&)),
             controller, SLOT(triggerItem(const QModelIndex&)));
+    connect(this, SIGNAL(activated(const QModelIndex&)),
+            controller, SLOT(triggerItem(const QModelIndex&)));
     connect(controller, SIGNAL(showPreviewChanged(bool)),
             this, SLOT(updateGridSize(bool)));
+    connect(controller, SIGNAL(zoomIn()),
+            this, SLOT(zoomIn()));
+    connect(controller, SIGNAL(zoomOut()),
+            this, SLOT(zoomOut()));
 
     // apply the icons mode settings to the widget
     const IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
     Q_ASSERT(settings != 0);
 
-    setSpacing(settings->gridSpacing());
+    m_viewOptions = KListView::viewOptions();
+    m_viewOptions.showDecorationSelected = true;
+
+    QFont font(settings->fontFamily(), settings->fontSize());
+    font.setItalic(settings->italicFont());
+    font.setBold(settings->boldFont());
+    m_viewOptions.font = font;
 
-    m_viewOptions = QListView::viewOptions();
-    m_viewOptions.font = QFont(settings->fontFamily(), settings->fontSize());
     updateGridSize(controller->showPreview());
 
     if (settings->arrangement() == QListView::TopToBottom) {
         setFlow(QListView::LeftToRight);
         m_viewOptions.decorationPosition = QStyleOptionViewItem::Top;
-    }
-    else {
+    } else {
         setFlow(QListView::TopToBottom);
         m_viewOptions.decorationPosition = QStyleOptionViewItem::Left;
     }
@@ -74,13 +87,13 @@ QStyleOptionViewItem DolphinIconsView::viewOptions() const
 
 void DolphinIconsView::contextMenuEvent(QContextMenuEvent* event)
 {
-    QListView::contextMenuEvent(event);
+    KListView::contextMenuEvent(event);
     m_controller->triggerContextMenuRequest(event->pos());
 }
 
 void DolphinIconsView::mouseReleaseEvent(QMouseEvent* event)
 {
-    QListView::mouseReleaseEvent(event);
+    KListView::mouseReleaseEvent(event);
     m_controller->triggerActivation();
 }
 
@@ -94,13 +107,13 @@ void DolphinIconsView::dragEnterEvent(QDragEnterEvent* event)
 void DolphinIconsView::dropEvent(QDropEvent* event)
 {
     const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
-    if (urls.isEmpty() || (event->source() == this)) {
-        QListView::dropEvent(event);
-    }
-    else {
+    if (!urls.isEmpty()) {
+        m_controller->indicateDroppedUrls(urls,
+                                          indexAt(event->pos()),
+                                          event->source());
         event->acceptProposedAction();
-        m_controller->indicateDroppedUrls(urls, event->pos());
     }
+    KListView::dropEvent(event);
 }
 
 void DolphinIconsView::updateGridSize(bool showPreview)
@@ -116,15 +129,122 @@ void DolphinIconsView::updateGridSize(bool showPreview)
         const int previewSize = settings->previewSize();
         const int diff = previewSize - size;
         Q_ASSERT(diff >= 0);
-        gridWidth += diff;
+        gridWidth  += diff;
         gridHeight += diff;
 
         size = previewSize;
-     }
-
+    }
 
     m_viewOptions.decorationSize = QSize(size, size);
     setGridSize(QSize(gridWidth, gridHeight));
+
+    m_controller->setZoomInPossible(isZoomInPossible());
+    m_controller->setZoomOutPossible(isZoomOutPossible());
+}
+
+void DolphinIconsView::zoomIn()
+{
+    if (isZoomInPossible()) {
+        IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
+
+        const int oldIconSize = settings->iconSize();
+        int newIconSize = oldIconSize;
+
+        const bool showPreview = m_controller->showPreview();
+        if (showPreview) {
+            const int previewSize = increasedIconSize(settings->previewSize());
+            settings->setPreviewSize(previewSize);
+        } else {
+            newIconSize = increasedIconSize(oldIconSize);
+            settings->setIconSize(newIconSize);
+            if (settings->previewSize() < newIconSize) {
+                // assure that the preview size is always >= the icon size
+                settings->setPreviewSize(newIconSize);
+            }
+        }
+
+        // increase also the grid size
+        const int diff = newIconSize - oldIconSize;
+        settings->setGridWidth(settings->gridWidth() + diff);
+        settings->setGridHeight(settings->gridHeight() + diff);
+
+        updateGridSize(showPreview);
+    }
+}
+
+void DolphinIconsView::zoomOut()
+{
+    if (isZoomOutPossible()) {
+        IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
+
+        const int oldIconSize = settings->iconSize();
+        int newIconSize = oldIconSize;
+
+        const bool showPreview = m_controller->showPreview();
+        if (showPreview) {
+            const int previewSize = decreasedIconSize(settings->previewSize());
+            settings->setPreviewSize(previewSize);
+            if (settings->iconSize() > previewSize) {
+                // assure that the icon size is always <= the preview size
+                newIconSize = previewSize;
+                settings->setIconSize(newIconSize);
+            }
+        } else {
+            newIconSize = decreasedIconSize(settings->iconSize());
+            settings->setIconSize(newIconSize);
+        }
+
+        // decrease also the grid size
+        const int diff = oldIconSize - newIconSize;
+        settings->setGridWidth(settings->gridWidth() - diff);
+        settings->setGridHeight(settings->gridHeight() - diff);
+
+        updateGridSize(showPreview);
+    }
+}
+
+bool DolphinIconsView::isZoomInPossible() const
+{
+    IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
+    const int size = m_controller->showPreview() ? settings->previewSize() : settings->iconSize();
+    return size < K3Icon::SizeEnormous;
+}
+
+bool DolphinIconsView::isZoomOutPossible() const
+{
+    IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
+    const int size = m_controller->showPreview() ? settings->previewSize() : settings->iconSize();
+    return size > K3Icon::SizeSmall;
+}
+
+int DolphinIconsView::increasedIconSize(int size) const
+{
+    // TODO: get rid of K3Icon sizes
+    int incSize = 0;
+    switch (size) {
+    case K3Icon::SizeSmall:       incSize = K3Icon::SizeSmallMedium; break;
+    case K3Icon::SizeSmallMedium: incSize = K3Icon::SizeMedium; break;
+    case K3Icon::SizeMedium:      incSize = K3Icon::SizeLarge; break;
+    case K3Icon::SizeLarge:       incSize = K3Icon::SizeHuge; break;
+    case K3Icon::SizeHuge:        incSize = K3Icon::SizeEnormous; break;
+    default: Q_ASSERT(false); break;
+    }
+    return incSize;
+}
+
+int DolphinIconsView::decreasedIconSize(int size) const
+{
+    // TODO: get rid of K3Icon sizes
+    int decSize = 0;
+    switch (size) {
+    case K3Icon::SizeSmallMedium: decSize = K3Icon::SizeSmall; break;
+    case K3Icon::SizeMedium: decSize = K3Icon::SizeSmallMedium; break;
+    case K3Icon::SizeLarge: decSize = K3Icon::SizeMedium; break;
+    case K3Icon::SizeHuge: decSize = K3Icon::SizeLarge; break;
+    case K3Icon::SizeEnormous: decSize = K3Icon::SizeHuge; break;
+    default: Q_ASSERT(false); break;
+    }
+    return decSize;
 }
 
 #include "dolphiniconsview.moc"