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Improve file selection in file system widget

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This commit is contained in:
Dušan Poizl
2022-06-03 10:51:51 +02:00
parent eb417010c3
commit 032f5b0577
4 changed files with 38 additions and 26 deletions
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imageringlist.cpp
+31 -22
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@@ -210,30 +210,38 @@ void ImageRingList::loadFile(int row)
{
if(row < m_images.size())
{
m_firstImage = m_currImage = m_lastImage = m_images.begin()+row;
if(m_images.empty())
return;
(*m_currImage)->load();
m_width = DEFAULT_WIDTH<m_images.size()/2 ? DEFAULT_WIDTH : m_images.size()/2;
if(m_liveMode)
m_width = 0;
for(int i=0; i<m_width; i++)
int diff = m_currImage != m_images.end() ? row - (m_currImage - m_images.begin()) : -100;
if(diff == 1)
increment();
else if(diff == -1)
decrement();
else
{
m_firstImage = decrement(m_firstImage);
(*m_firstImage)->load();
m_lastImage = increment(m_lastImage);
(*m_lastImage)->load();
}
if(m_lastImage != m_firstImage)
{
QList<ImagePtr>::iterator iter = increment(m_lastImage);
while(m_firstImage != iter)
m_firstImage = m_currImage = m_lastImage = m_images.begin()+row;
if(m_images.empty())
return;
(*m_currImage)->load();
m_width = DEFAULT_WIDTH<m_images.size()/2 ? DEFAULT_WIDTH : m_images.size()/2;
if(m_liveMode)
m_width = 0;
for(int i=0; i<m_width; i++)
{
(*iter)->release();
iter = increment(iter);
m_firstImage = decrement(m_firstImage);
(*m_firstImage)->load();
m_lastImage = increment(m_lastImage);
(*m_lastImage)->load();
}
if(m_lastImage != m_firstImage)
{
QList<ImagePtr>::iterator iter = increment(m_lastImage);
while(m_firstImage != iter)
{
(*iter)->release();
iter = increment(iter);
}
}
}
}
@@ -333,6 +341,7 @@ void ImageRingList::setFiles(const QStringList files, const QString &currentFile
index = 0;
endResetModel();
m_currImage = m_images.end();
loadFile(index);
}