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Placed view in a scroll area.

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This commit is contained in:
Jim Evins
2015-08-22 16:53:13 -04:00
parent 27e006d3e4
commit 065485d6e5
2 changed files with 20 additions and 9 deletions
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glabels/View.cpp
+8 -4
View File
@@ -85,8 +85,6 @@ glabels::View::View( QWidget *parent ) : QWidget(parent)
mInObjectCreateMode = false;
setMouseTracking( true );
setMinimumSize( 640, 450 );
}
@@ -234,8 +232,12 @@ glabels::View::zoomToFit()
using std::min;
using std::max;
double x_scale = ( width() - ZOOM_TO_FIT_PAD ) / mModel->w();
double y_scale = ( height() - ZOOM_TO_FIT_PAD ) / mModel->h();
// Assumes parent widget (QScrollArea) exists
double wPixels = parentWidget()->width();
double hPixels = parentWidget()->height();
double x_scale = ( wPixels - ZOOM_TO_FIT_PAD ) / mModel->w();
double y_scale = ( hPixels - ZOOM_TO_FIT_PAD ) / mModel->h();
double newZoom = min( x_scale, y_scale ) * PTS_PER_INCH / physicalDpiX();
// Limits
@@ -278,6 +280,8 @@ glabels::View::setZoomReal( double zoom, bool zoomToFitFlag )
/* Actual scale depends on DPI of display (assume DpiX == DpiY). */
mScale = zoom * physicalDpiX() / PTS_PER_INCH;
setMinimumSize( mScale*mModel->w(), mScale*mModel->h() );
/* Adjust origin to center label in widget. */
mX0 = (width()/mScale - mModel->w()) / 2;
mY0 = (height()/mScale - mModel->h()) / 2;