On Fri, Apr 5, 2013 at 4:32 AM, Martin <laza...@mfriebe.de> wrote: > On 05/04/2013 12:20, Mehmet Erol Sanliturk wrote: > > On each key press , the pressed character appears on the form area , but > caret is not blinking even one time . > > > Well the below is all I know. You may have to debug it yourself. > > Only other think that comes to mind (but IIRC that is mainly required for > windows)) is that you need to hide the caret at the start of your paint > handler, and show it again at the end of the pain handler. Also do not > Create a new caret in the paint handler (again Windows). > > Does it blink in the IDE? Then you can try and look at SynEdit to find out > how it is done there. (Search FScreenCaret). > > > > On Fri, Apr 5, 2013 at 4:14 AM, Martin <laza...@mfriebe.de> wrote: > >> On 05/04/2013 12:04, Mehmet Erol Sanliturk wrote: >> >>> >>> What can be done to make the caret blinking in Unix ? >>> >> >> On WIndows the caret is drawn by the OS. This includes hiding it. On >> windows (afaik) this is done by inverting pixel colors. Neither drawing, >> nor hiding does require the Control to paint. >> >> AFAIK on linux, the caret is drawn by the Widgetsetcode provided by >> Lazarus. And hiding the caret, is done by invalidating the area, and >> therefore only effective, if the control repaints itself. >> >> I do not know what goes wrong in your case, but here are some pointers: >> - Check that your control receives regular paint messages, and that it >> does actually paint the area. (It will get a paint messages for a small >> clip rect only, and must paint into that clip rect. >> - If no paint messages are received I have no idea, but maybe it is timer >> related (I haven't looked that deep, but I guess the caret is triggered by >> a timer. >> > > > -- >
Lazarus IDE caret is blinking very well . Previously I had searched SynEdit sources , but I could not find any place to study . During next days I will search your suggested phrase . Thank you very much . Mehmet Erol Sanliturk
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