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Was needed because just having isPointInside virtual doesn't allow controlling sub-element behavior.


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- Optimized OpenGL blending calls.


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- Example 22 no longer select a random texture after loading a new texture (thanks at mongoose7 for reporting).


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- Fix bug in IGUISkin serialization which messed up serialization of the button-pressed offsets (Thanks at @Midnight for reporting).


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Fixed issue with wrongly enabled Z-writing for transparent shader materials. Thanks Hendu for this fix.
Fixed issue with missing blending when transparent shader material is used with blending operation set to EBO_NONE.


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- IGUIStaticText::getTextHeight returns now the correct height for texts with newlines even WordWrap is not set.
- Crashfix for CGUIEditBox. CGUIEditBox::setMultiLine must break text when changed or other functions like getTextDimension can crash afterward for strings with newline characters.


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Add same compiler flags to c::b project file as are used in Makefile (-fno-exceptions -fno-rtti -fstrict-aliasing).
This does cause a bunch of additional warnings as c::b tries to pass -fno-rtti to the c files as well, but can't avoid that for now (might be a c::b problem).


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- ParticleSystemSceneNode does now affect the particle movement direction by default. Can be disabled to get old behavior.
- Allow interpolating postions which is useful when particles are attached to fast-moving nodes (to avoid regular patterns).
- Invisible behavior flags from check-in yesterday re-implemented with new general behavior flags.


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- Moved StartTime in the ISceneNodeAnimators class instead of derived classes.


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Unfortunately more tricky to get rid of those in S4dVertex, so can't fix em all.
Reason is that pedandic clang no longer likes those in newer clang versions. 


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Maya camera no longer get's stuck in "rotating" state when a mouse-up event is lost (thx @ JLouisB for reporting).


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Focus behavior of IGUIEnvironment now controllable (right-click focus, mouse-over focus). Disabled elements no longer get the focus unless users enforce it.


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- Irrlicht elements can't just set ID's otherwise user-elements stop working.
  So anyone who had gui-elements not working with ID 0 or 1 - you probably had a guitree somewhere.
  Those ID's were not even used...
- Make the horizontal scrollbar (mostly) work. Selection still messed up, but was that way before and least h-scrolling works now somewhat (did nothing before).
There are more bugs in this gui-element - like that it doesn't draw the last line regularly. 
But I have no more time, nor motiviation for this now (not the first time finding pretty obvious bugs in the treeview. 
I wish that d*mn thing would never had been checked in. Or the original author would at least have tested it or cared about maintaince!).


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Remove lot's of setFocus and removeFocus calls. Also several places where elements check if they have the focus inside events.
Slightly risky change - but it's hard to improve all this without cleaning it up first. And most elements should _not_ be responsible for their 
own focus but the guienvironment should do that (and does do it).


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Buttons can now now have 7 more image-states, 1 more sprite-state and the sprites are now scaleable.


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Mention in documentation that getSpriteBank currently doesn't load files (that's never been implemented).


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- CGUIEditBox and the GUI-Editor now convert pasted text correctly using mbstowcs.

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Reverting last changes - there is more stuff broken with generating documentation, so I suspect the real troubles is the layout file.


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Our current member function documentation look often rather strange. The reason is that the first 
line in multi-line comment is handled special (it get's a box around it). So in the cases where we use
this for \param or have sentences starting in that line and continuing in the next it always looks broken.
Please click for example through IGUIElement documenation which is not yet fixed to see this.
Also links to enums don't seem to need @ref but just ::my_enum_name.  


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Japanese not yet, but we're even a little closer to that now.
Dead-key handling is not working. I just can't figure it out (X11 documentation and examples make me swear badly).
Users which have language input with dead-keys (like ^) will now have those characters always ignored.
Before it had just printed the characters but set a complete wrong key-code. So dead keys partly better, partly worse.
But this solution is going in the right direction. Either we figure out later why X11 doesn't handle dead-keys or we handle them ourselves.


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Enable TranslateMessage again for external Windows. Something Strong99 requested in an old forum post (http://irrlicht.sourceforge.net/forum/viewtopic.php?f=7&t=44918&p=257786) 


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