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Watching current dir for changes to reload file list

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This commit is contained in:
Dušan Poizl
2016-07-31 18:10:32 +02:00
parent c69c8eb7da
commit 3faba4eac9
4 changed files with 50 additions and 31 deletions
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imageringlist.cpp
+43 -28
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@@ -70,6 +70,7 @@ void Image::imageLoaded(QImage img)
ImageRingList::ImageRingList(QObject *parent) : QObject(parent)
{
connect(&m_fileSystemWatcher, SIGNAL(directoryChanged(QString)), this, SLOT(dirChanged(QString)));
}
bool ImageRingList::setDir(const QString path, const QString &currentFile)
@@ -88,39 +89,14 @@ bool ImageRingList::setDir(const QString path, const QString &currentFile)
absolutePaths.append(dir.absoluteFilePath(file));
}
setFiles(absolutePaths, currentFile);
m_fileSystemWatcher.removePaths(m_fileSystemWatcher.directories());
m_fileSystemWatcher.addPath(path);
return true;
}
return false;
}
void ImageRingList::setFiles(const QStringList files, const QString &currentFile)
{
m_images.clear();
foreach(const QString &file, files)
{
ImagePtr ptr = make_shared<Image>(file);
connect(ptr.get(), SIGNAL(pixmapLoaded(Image*)), this, SLOT(imageLoaded(Image*)));
m_images.append(ptr);
}
int index = files.indexOf(currentFile);
if(index < 0)
index = 0;
m_firstImage = m_currImage = m_lastImage = m_images.begin()+index;
(*m_currImage)->load();
m_width = DEFAULT_WIDTH<m_images.size()/2 ? DEFAULT_WIDTH : m_images.size()/2;
for(int i=0; i<m_width; i++)
{
m_firstImage = decrement(m_firstImage);
(*m_firstImage)->load();
m_lastImage = increment(m_lastImage);
(*m_lastImage)->load();
}
}
void ImageRingList::setFile(const QString &file)
{
QFileInfo info(file);
@@ -161,6 +137,34 @@ void ImageRingList::decrement()
}
}
void ImageRingList::setFiles(const QStringList files, const QString &currentFile)
{
m_images.clear();
foreach(const QString &file, files)
{
ImagePtr ptr = make_shared<Image>(file);
connect(ptr.get(), SIGNAL(pixmapLoaded(Image*)), this, SLOT(imageLoaded(Image*)));
m_images.append(ptr);
}
int index = files.indexOf(currentFile);
if(index < 0)
index = 0;
m_firstImage = m_currImage = m_lastImage = m_images.begin()+index;
(*m_currImage)->load();
m_width = DEFAULT_WIDTH<m_images.size()/2 ? DEFAULT_WIDTH : m_images.size()/2;
for(int i=0; i<m_width; i++)
{
m_firstImage = decrement(m_firstImage);
(*m_firstImage)->load();
m_lastImage = increment(m_lastImage);
(*m_lastImage)->load();
}
}
QList<ImagePtr>::iterator ImageRingList::increment(QList<ImagePtr>::iterator iter)
{
iter++;
@@ -184,3 +188,14 @@ void ImageRingList::imageLoaded(Image *image)
emit pixmapLoaded(image->pixmap());
}
}
void ImageRingList::dirChanged(QString dir)
{
QString currentFile;
if(m_images.size())
currentFile = (*m_currImage)->name();
setDir(dir, currentFile);
emit currentImageChanged();
}