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author | Slávek Banko <[email protected]> | 2014-09-16 20:10:51 +0200 |
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committer | Slávek Banko <[email protected]> | 2014-09-16 20:10:51 +0200 |
commit | 5b34ad0d8e489369a0cd8bd1e1b3ccebc4c9acb7 (patch) | |
tree | 4d5c979e74e1148c4a04d58de5894491fca91870 /src/widgets/qprogressbar.cpp | |
parent | fbc4cf8e7f2170744c12fd0d435639516c733db9 (diff) | |
download | qt3-5b34ad0d8e489369a0cd8bd1e1b3ccebc4c9acb7.tar.gz qt3-5b34ad0d8e489369a0cd8bd1e1b3ccebc4c9acb7.zip |
Improve TQProgressBar repaint optimization
Diffstat (limited to 'src/widgets/qprogressbar.cpp')
-rw-r--r-- | src/widgets/qprogressbar.cpp | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/src/widgets/qprogressbar.cpp b/src/widgets/qprogressbar.cpp index 1219419..98d35a8 100644 --- a/src/widgets/qprogressbar.cpp +++ b/src/widgets/qprogressbar.cpp @@ -212,13 +212,11 @@ void QProgressBar::setProgress( int progress ) progress < 0 || ( ( progress > total_steps ) && total_steps ) ) return; - const bool needRepaint = isVisible() && requireRepaint( progress ); - progress_val = progress; setIndicator( progress_str, progress_val, total_steps ); - if ( needRepaint ) { + if ( isVisible() && repaintRequired() ) { repaint( FALSE ); d->last_painted_progress = progress; } @@ -358,10 +356,9 @@ void QProgressBar::styleChange( QStyle& old ) would require a repaint of the progress bar. This allows efficient repainting. */ -bool QProgressBar::requireRepaint( int newProgress ) const +bool QProgressBar::repaintRequired() const { - if ( newProgress == progress_val || - newProgress == d->last_painted_progress ) { + if ( progress_val == d->last_painted_progress ) { return false; } @@ -375,7 +372,7 @@ bool QProgressBar::requireRepaint( int newProgress ) const progressPerPixel = float( total_steps ) / float( width ); } - const int delta = d->last_painted_progress - newProgress; + const int delta = d->last_painted_progress - progress_val; return QABS( delta ) >= progressPerPixel; } |