From 4f64bd4ee5b465fe64237500b32b03f286dd7faf Mon Sep 17 00:00:00 2001
From: Arno <am@disconnect.de>
Date: Fri, 17 Dec 2010 11:59:27 +0100
Subject: Fix hover in FileSystemWidget

Hover over movies in FileSystemWidget. Make it stick to the selected
hover options.
---
 fileview.cpp | 110 ++++++++++++++++++++++++++++++++++++-----------------------
 fileview.h   |  10 ++++--
 2 files changed, 75 insertions(+), 45 deletions(-)

diff --git a/fileview.cpp b/fileview.cpp
index 4c4e993..082ec92 100644
--- a/fileview.cpp
+++ b/fileview.cpp
@@ -59,7 +59,10 @@ void FileView::createFolder(){
 
 void FileView::readConfig(){
 	QSettings s;
-	mHover = s.value("ui/hoverdirs", true).toBool();
+	mHoverDirs = s.value("ui/hoverdirs", true).toBool();
+	mHoverPics = s.value("ui/hoverpics", true).toBool();
+	mHoverMovies = s.value("ui/hovermovies", true).toBool();
+	mWhen = s.value("ui/grabframe", "00:00:00").toString();
 	mHoverWin->setWindowOpacity(s.value("ui/hoveropacity", 10).toFloat() / 10.0);
 }
 
@@ -149,63 +152,59 @@ void FileView::resizeEvent(QResizeEvent *e){
 }
 
 bool FileView::event(QEvent *e){
-	int eType = e->type();
-	if((eType == QEvent::HoverEnter) || (eType == QEvent::HoverLeave) || (eType == QEvent::HoverMove)){
-		QHoverEvent *hEvent = static_cast<QHoverEvent*>(e);
-		if(!mHover){
-			return true;
-		}
-		if(hEvent->type() == QEvent::HoverLeave){
-			return exitHover();
-		}
-		QPoint hotSpot(hEvent->pos().x(), hEvent->pos().y() - SmGlobals::instance()->cursorSize().height());
-		QModelIndex curIdx = indexAt(hotSpot);
-		if(!curIdx.isValid() || (curIdx.column() != 0)){
+	QHoverEvent *hEvent = static_cast<QHoverEvent*>(e);
+	if(!hEvent){
+		return exitHover();
+	}
+	QPoint hotSpot(hEvent->pos().x(), hEvent->pos().y() - SmGlobals::instance()->cursorSize().height());
+	QModelIndex curIdx = indexAt(hotSpot);
+	HoverFileType ft = None;
+	QFileInfo curIdxInfo(curIdx.data(QFileSystemModel::FilePathRole).toString());
+	if((e->type() == QEvent::HoverEnter) || (e->type() == QEvent::HoverMove)){
+		if(!curIdx.isValid() || (!curIdx.column() == 0)){
 			return exitHover();
 		}
 		if(curIdx.data().toString() == ".."){
 			return exitHover();
 		}
-		QFileInfo fi(curIdx.data(QFileSystemModel::FilePathRole).toString());
-		if(!fi.exists()){
-			return true;
-		}
-		QList<QVariant> hoverData;
-		if(fi.isDir()){
-			hoverData << fi.fileName();
-			QDir curDir(fi.absoluteFilePath());
-			QStringList files = curDir.entryList(QDir::AllEntries | QDir::NoDotAndDotDot, QDir::Name);
-			hoverData << files;
-		}else if(fi.isFile()){
-			QString mimeType = Helper::mimeType(fi.absoluteFilePath());
+		if(curIdxInfo.isFile()){
+			QString mimeType = Helper::mimeType(curIdxInfo.absoluteFilePath());
 			if(mimeType.startsWith("image")){
-				QPixmap pm(fi.absoluteFilePath());
-				hoverData << pm;
+				if(!mHoverPics){
+					return exitHover();
+				}
+				ft = Image;
+			}else if(mimeType.startsWith("video")){
+				if(!mHoverMovies){
+					return exitHover();
+				}
+				ft = Movie;
 			}else{
 				return exitHover();
 			}
+		}else if(curIdxInfo.isDir()){
+			if(!mHoverDirs){
+				return exitHover();
+			}
+			ft = Dir;
 		}else{
 			return exitHover();
 		}
-		if(e->type() == QEvent::HoverEnter){
+	}
+	if(e->type() == QEvent::HoverEnter){
+		mCurHover = curIdx;
+		doHover(curIdxInfo, ft);
+		return true;
+	}else if(e->type() == QEvent::HoverMove){
+		if(mCurHover != curIdx){
 			mCurHover = curIdx;
-			mHoverWin->setData(hoverData);
+			doHover(curIdxInfo, ft);
+		}else{
 			mHoverWin->setPos();
-			mHoverWin->setVisible(true);
-			return true;
-		}
-		if(e->type() == QEvent::HoverMove){
-			if(curIdx != mCurHover){
-				mHoverWin->setData(hoverData);
-				mCurHover = curIdx;
-				mHoverWin->setPos();
-				mHoverWin->setVisible(true);
-				return true;
-			}else{
-				mHoverWin->setPos();
-				return true;
-			}
 		}
+		return true;
+	}else if(e->type() == QEvent::HoverLeave){
+		return exitHover();
 	}
 	return QTreeView::event(e);
 }
@@ -215,3 +214,28 @@ bool FileView::exitHover(bool exitVal){
 	mCurHover = QModelIndex();
 	return exitVal;
 }
+
+void FileView::doHover(const QFileInfo &fi, int type){
+	QPixmap pm;
+	if(type == Movie){
+		pm = SmGlobals::instance()->frameCache()->entry(fi.absoluteFilePath(), mWhen);
+		if(pm.isNull()){
+			exitHover();
+			return;
+		}
+		mHoverWin->setPixmap(pm, false);
+		mHoverWin->setCaption(fi.fileName());
+	}else if(type == Image){
+		pm.load(fi.absoluteFilePath());
+		mHoverWin->setPixmap(pm);
+		mHoverWin->setCaption(fi.fileName());
+	}else if(type == Dir){
+		QList<QVariant> hoverList;
+		hoverList << fi.fileName();
+		QDir curDir(fi.absoluteFilePath());
+		hoverList << curDir.entryList(QDir::AllEntries | QDir::NoDotAndDotDot, QDir::Name);
+		mHoverWin->setData(hoverList);
+	}
+	mHoverWin->setPos();
+	mHoverWin->setVisible(true);
+}
diff --git a/fileview.h b/fileview.h
index 604fa8f..7f35fdc 100644
--- a/fileview.h
+++ b/fileview.h
@@ -18,12 +18,13 @@ class QModelIndex;
 class QAction;
 class HoverWindow;
 class QEvent;
+class QFileInfo;
 
 class FileView : public QTreeView {
 	Q_OBJECT
 	public:
 		FileView(QWidget *parent = 0);
-		~FileView() {};
+		~FileView() {}
 
 	signals:
 		void upDir();
@@ -48,13 +49,18 @@ class FileView : public QTreeView {
 		virtual bool event(QEvent *event);
 	
 	private:
+		enum HoverFileType { Dir, Movie, Image, None };
 		bool exitHover(bool exitVal = true);
+		void doHover(const QFileInfo &fi, int type);
 		MessageDialog *mMarkDialog;
 		MessageDialog *mCreateFolderDialog;
 		QAction *mDeleteA;
 		HoverWindow *mHoverWin;
 		QModelIndex mCurHover;
-		bool mHover;
+		bool mHoverDirs;
+		bool mHoverMovies;
+		bool mHoverPics;
+		QString mWhen;
 };
 
 #endif
-- 
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