Hi Daniel,
let's move this discussion to kwrite-de...@kde.org.
On Thursday, 16. February 2012 04:01:21 Daniel Nagy wrote:
> Therefore I want to highlight a KTextEditor::Range object in a
> KTextEditor::View object as kdevplatform does it in its duchain
> highlighting.
> [...]
> It seems to me that there are two different highlighting layers.
> First the one that katepart itself provides and your custom one, but I
> am not sure about that.
Right, KatePart internally does syntax highlighting based on the xml-files.
This has nothing to do with Range highlighting.
Additionally to that, i.e. as "overlay", applications (KDevelop, Kate) but
also other code parts like search&replace can add ranges with special
highlighting.
If you have a view pointer, i.e. KTextEditor::View* view, then you can do
the hightlighting as follows:
KTextEditor::MovingInterface* if =
qobject_cast<KTextEditor::MovingInterface*>(view->document());
if (!if) return;
KTextEditor::Attribute::Ptr attr(new KTextEditor::Attribute());
attr->setBackground(Qt::yellow); // yellow background
KTextEditor::MovingRange* mr = if->newMovingRange(KTextEditor::Range(3, 0, 3,
20)); // range spans 20 characters
mr->setAttribute(attr);
mr->setView(view); // only show in this signel view
mr->setZDepth(-90000.0); // set the z-depth to slightly worse than
the selection
mr->setAttributeOnlyForViews(true); // ignore this highlighting when printing
So basically it's
1. get the MovingInterface,
2. create a newMovingRange,
3. set the attributes.
All this is thoroughly documented in the API documentation (MovingRange,
MovingInterface):
http://api.kde.org/4.x-api/kdelibs-apidocs/interfaces/ktexteditor/html/group__kte__group__moving__classes.html
Greetings,
Dominik
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