X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/d8669c68e40a6571dfcbdf38e3281a4aeb8c2be6..b5cc2a6924cfd8f59611d3cec2edbb00a08b4ff1:/src/dolphiniconsview.cpp

diff --git a/src/dolphiniconsview.cpp b/src/dolphiniconsview.cpp
index 98d1a05b1..c2ba82d0d 100644
--- a/src/dolphiniconsview.cpp
+++ b/src/dolphiniconsview.cpp
@@ -1,6 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2006 by Peter Penz                                      *
- *   peter.penz@gmx.at                                                     *
+ *   Copyright (C) 2006 by Peter Penz (peter.penz@gmx.at)                  *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
@@ -19,16 +18,62 @@
  ***************************************************************************/
 
 #include "dolphiniconsview.h"
-#include "dolphinview.h"
+
+#include "dolphincontroller.h"
+#include "dolphinsettings.h"
+
+#include "dolphin_iconsmodesettings.h"
 
 #include <kdirmodel.h>
 #include <kfileitem.h>
+#include <kfileitemdelegate.h>
 
-DolphinIconsView::DolphinIconsView(DolphinView* parent) :
+#include <QAbstractProxyModel>
+
+DolphinIconsView::DolphinIconsView(QWidget* parent, DolphinController* controller) :
     QListView(parent),
-    m_parentView( 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);
+
+    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 {
+        setFlow(QListView::TopToBottom);
+        m_viewOptions.decorationPosition = QStyleOptionViewItem::Left;
+    }
+
+    KFileItemDelegate* delegate = new KFileItemDelegate(parent);
+    const KFileItemDelegate::AdditionalInformation info =
+        static_cast<KFileItemDelegate::AdditionalInformation>(settings->additionalInfo());
+    delegate->setAdditionalInformation(info);
+    setItemDelegate(delegate);
 }
 
 DolphinIconsView::~DolphinIconsView()
@@ -37,38 +82,155 @@ DolphinIconsView::~DolphinIconsView()
 
 QStyleOptionViewItem DolphinIconsView::viewOptions() const
 {
-    return QListView::viewOptions();
-
-    // TODO: the view options should been read from the settings;
-    // the following code is just for testing...
-    //QStyleOptionViewItem options = QListView::viewOptions();
-    //options.decorationAlignment = Qt::AlignRight;
-    //options.decorationPosition = QStyleOptionViewItem::Right;
-    //options.decorationSize = QSize(100, 100);
-    //options.showDecorationSelected = true;
-    //options.state = QStyle::State_MouseOver;
-    //return options;
+    return m_viewOptions;
 }
 
 void DolphinIconsView::contextMenuEvent(QContextMenuEvent* event)
 {
     QListView::contextMenuEvent(event);
+    m_controller->triggerContextMenuRequest(event->pos());
+}
 
-    KFileItem* item = 0;
+void DolphinIconsView::mouseReleaseEvent(QMouseEvent* event)
+{
+    QListView::mouseReleaseEvent(event);
+    m_controller->triggerActivation();
+}
 
-    const QModelIndex index = indexAt(event->pos());
-    if (index.isValid()) {
-        KDirModel* dirModel = static_cast<KDirModel*>(model());
-        item = dirModel->itemForIndex(index);
+void DolphinIconsView::dragEnterEvent(QDragEnterEvent* event)
+{
+    if (event->mimeData()->hasUrls()) {
+        event->acceptProposedAction();
     }
+}
 
-    m_parentView->openContextMenu(item, event->globalPos());
+void DolphinIconsView::dropEvent(QDropEvent* event)
+{
+    const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
+    if (urls.isEmpty() || (event->source() == this)) {
+        QListView::dropEvent(event);
+    }
+    else {
+        event->acceptProposedAction();
+        m_controller->indicateDroppedUrls(urls, event->pos());
+    }
 }
 
-void DolphinIconsView::mouseReleaseEvent(QMouseEvent* event)
+void DolphinIconsView::updateGridSize(bool showPreview)
 {
-    QListView::mouseReleaseEvent(event);
-    m_parentView->declareViewActive();
+    const IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
+    Q_ASSERT(settings != 0);
+
+    int gridWidth = settings->gridWidth();
+    int gridHeight = settings->gridHeight();
+    int size = settings->iconSize();
+
+    if (showPreview) {
+        const int previewSize = settings->previewSize();
+        const int diff = previewSize - size;
+        Q_ASSERT(diff >= 0);
+        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 bool showPreview = m_controller->showPreview();
+        if (showPreview) {
+            const int previewSize = increasedIconSize(settings->previewSize());
+            settings->setPreviewSize(previewSize);
+        }
+        else {
+            const int iconSize = increasedIconSize(settings->iconSize());
+            settings->setIconSize(iconSize);
+            if (settings->previewSize() < iconSize) {
+                // assure that the preview size is always >= the icon size
+                settings->setPreviewSize(iconSize);
+            }
+        }
+
+        updateGridSize(showPreview);
+    }
+}
+
+void DolphinIconsView::zoomOut()
+{
+    if (isZoomOutPossible()) {
+        IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
+
+        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
+                settings->setIconSize(previewSize);
+            }
+        }
+        else {
+            const int iconSize = decreasedIconSize(settings->iconSize());
+            settings->setIconSize(iconSize);
+        }
+
+        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"