D4947: [KTextEditor] Expose additional internal View's functionality to the public API

[John Salatas]

jsalatas created this revision.
Restricted Application added a subscriber: kwrite-devel.
Restricted Application added a project: Frameworks.

REVISION SUMMARY
  I'm creating a diff/patch frontend similar to Kompare but using KTextEditor to display/edit source/destination files. In order to be able to sync the scrolling positions of the two Views and also to overlay diff indicators (see screenshot), I'm exposing the following:
  
  - scrollPos: scrolls the View to a cursor position
  - scrollColumns: scrolls the View to a column
  - maxStartPos: returns the cursor position of the maximum vertical scroll position
  - startLine: returns the first visible line in the View
  - endLine: returns the last visible line in the View
  - textareaRect: returns the View's text area rectangle excluding border, scrollbars, etc.
  
  F2705627: Screenshot_20170305_124152.png <https://phabricator.kde.org/F2705627>

TEST PLAN
  Already tested in my app. It works :)

REPOSITORY
  R39 KTextEditor

REVISION DETAIL
  https://phabricator.kde.org/D4947

AFFECTED FILES
  src/include/ktexteditor/view.h
  src/view/kateview.cpp
  src/view/kateview.h

To: jsalatas, #ktexteditor, #frameworks
Cc: kwrite-devel
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