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gui: previews: Fix incorrect pos calculation in cached previews 

The cached order position introduced in 42e9ac5 is incorrect
as it does not consider the case when any result page other than
the first.

Fix this by considering which page we are in
This commit is contained in:
Albert S. 2022-11-18 22:03:11 +01:00
orang tua 9686ef30c7
melakukan b45fbedb13
1 mengubah file dengan 9 tambahan dan 6 penghapusan
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15
gui/mainwindow.cpp
Melihat File

@ -940,12 +940,12 @@ void MainWindow::makePreviews(int page)
}
}
}
int end = previewsPerPage;
int begin = page * previewsPerPage - previewsPerPage;
if(begin < 0)
int length = previewsPerPage;
int beginOffset = page * previewsPerPage - previewsPerPage;
if(beginOffset < 0)
{
// Should not happen actually
begin = 0;
beginOffset = 0;
}
int currentScale = currentSelectedScale();
@ -972,11 +972,14 @@ void MainWindow::makePreviews(int page)
renderTarget.path = sr.fileData.absPath;
renderTarget.page = (int)sr.page;
targets.append(renderTarget);
this->previewOrder[renderTarget.path + QString::number(renderTarget.page)] = previewPos++;
int pos = previewPos - beginOffset;
this->previewOrder[renderTarget.path + QString::number(renderTarget.page)] = pos;
++previewPos;
}
int numpages = ceil(static_cast<double>(targets.size()) / previewsPerPage);
ui->spinPreviewPage->setMaximum(numpages);
targets = targets.mid(begin, end);
targets = targets.mid(beginOffset, length);
ui->lblTotalPreviewPagesCount->setText(QString::number(numpages));
ui->previewProcessBar->setMaximum(targets.count());