[Lazarus] IMGUI example

[Darius Blaszyk]

I checked linux, and there the OnKeyXX also works correct. So this seems to be a win32 specific thing.

Darius


On Mar 30, 2011, at 3:52 PM, Darius Blaszyk wrote:

> Just tried on the mac mini. The demo runs up to 1000FPS which is the limit of what I can measure. How nice to have hardware acceleration.... 
> 
> One more thing tho, there seem to be a some bugs with key handling. 
> 
> 1) OnKeyPress, OnKeyDown and OnKeyUp are not fired for TOpenGLControl on win32 but are fired on mac
> 2) OnKeyDown and OnKeyUp for TForm always give an uppercase value for the key, only OnKeyPress gives the correct character (lower or uppercase) for win32. On Mac however I got the right value for the key that fired the method each time.
> 
> Are these known issues? I googled a bit and looked on the bug tracker but couldn't find anything related. Just try the demo I sent to see if this can be confirmed. On win32 I used a lazarus snapshot (2.4.3) no more than a couple of days old.
> 
> Regards, Darius
> 
> 
> On Mar 30, 2011, at 1:45 PM, <dhkblaszyk at zeelandnet.nl> <dhkblaszyk at zeelandnet.nl> wrote:
> 
>> 
>> Hi,
>> 
>> Here's a nice demo which I reworked to FPC/Lazarus of an IMGUI implementation. An IMGUI is a different approach to implementing a widget toolkit and may be of interest in some applications. Additionally I included a port of a vector font library for OpenGL.
>> The demo is very fast (>60FPS on a low end laptop). For now this was only tested on win32 but I'm confident that it will run on any platform without issues as it's native pascal all over. I would welcome it if it could be included as an example for the OpenGLContext component.
>> 
>> Regards, Darius
>> <imgui.zip>--
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