D25627: hold the zoomcenter under the mouse / pinch center

[Steffen Hartleib]

steffenh created this revision.
Herald added a project: Okular.
Herald added a subscriber: okular-devel.
steffenh requested review of this revision.

REVISION SUMMARY
  remove unused variable
  
  remove qDebug and unused code
  
  correct some code style
  
  hold zoom center middle mouse click an moving
  
  Rework the newScroll calcutation
  
  rework newScroll calculation because d->zoomFactor contain not the exact zoom factor.
  use the center point before and after zooming to calculate the zoom factor.
  
  clean code
  
  change typos
  
  increase precision of the calculation double -> long double better rounding from qreal to int
  
  vor code cleaning add recenter if contunuirlicher zoom adjust for scrollbar appearance adjust for more than on page in viewport reduce rounding errors
  
  befor code cleaning * if zooming call delayedResizEvent direct and not after 200ms * adjust for apparent and disapparent scrollbars depended of scrollbar setting
  
  befor code cleaning * add hold zoom center methode to mouse midbutton zoom * lock mouse coursor position for mouse midbutton zoom
  
  code cleanup
  
  code cleaning
  
  change prognosis of scrollbar appear and disappear
  
  add GestureCanceled
  
  correct same spelling
  
  corect same code style
  
  chnage viewport update
  
  corect some codestyle
  
  stop qscroller

REPOSITORY
  R223 Okular

BRANCH
  holdZoomCenter

REVISION DETAIL
  https://phabricator.kde.org/D25627

AFFECTED FILES
  ui/pageview.cpp
  ui/pageview.h

To: steffenh
Cc: okular-devel, johnzh, andisa, siddharthmanthan, maguirre, fbampaloukas, joaonetto, kezik, tfella, ngraham, darcyshen, aacid
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