Review Request 115459: Introduce runtime platform support in KWindowSystem

[Alexander Richardson]

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src/kwindowsystem.cpp
<https://git.reviewboard.kde.org/r/115459/#comment34581>

    Ah, nevermind, I think that will be a problem with GCC due to the empty varargs parameter.
    
    #ifndef Q_CC_MSVC
    //current macro
    #else
    #define D(name, ...) static_cast<KWindowSystemPrivateDummy*>(g_kwmInstanceContainer()->d.data())->name(__VA_ARGS__);
    #endif
    
    should work in all cases.


- Alexander Richardson


On Feb. 4, 2014, 9:13 a.m., Martin Gräßlin wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/115459/
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> 
> (Updated Feb. 4, 2014, 9:13 a.m.)
> 
> 
> Review request for KDE Frameworks, kdewin and Alexander Richardson.
> 
> 
> Repository: kwindowsystem
> 
> 
> Description
> -------
> 
> Introduce runtime platform support in KWindowSystem
> 
> This is a change similar to the one in KWindowInfo, but with variation
> to the pattern due to the static container.
> 
> There is now a generic implementation of KWindowSystem which is
> completely windowing system platform independent. This implementation
> delegates all methods into a KWindowSystemPrivate class.
> 
> Each windowing system platform implementation needs to provide a
> subclass (e.g. KWindowSystemPrivateX11) and provide all the methods
> which are delegated. Note that there are no virtual methods defined,
> instead the d-pointer gets casted into the proper type. Thus if a
> method is not provided it will end in a compile error.
> 
> To make use of a platform implementation it needs to be included in
> the ctor of KWindowSystemStaticContainer and the PlatformImplementation
> enum needs to be extended by a value for the platform. This is used in
> the D macro to cast and delegate correctly.
> 
> There is a dummy implementation for all not supported windowing system
> platforms.
> 
> This change also includes some API changes:
> * KWindowSystem::windows() returns a copy instead of const-ref
> * All methods are provided, there is no longer X11 specific methods
> * private methods and enums are removed
> 
> NOTE: This change breaks the implementation for Windows and Mac OS!
> They are currently excluded from build.
> 
> 
> Diffs
> -----
> 
>   src/kwindowsystem_p.h PRE-CREATION 
>   src/kwindowsystem_p_x11.h PRE-CREATION 
>   src/kwindowsystem_x11.cpp 0556ec6bff7b1b5b70018758c984906687890911 
>   src/CMakeLists.txt 23133d581944a8373b9b753b300d97054b7d6f18 
>   src/kwindowinfo.cpp 790c4458075ff0ddc22102111e2d96f8c636f0ee 
>   src/kwindowsystem.h 6c2338e28ae8bb9763dfcf14eeb239bdaebda73d 
>   src/kwindowsystem.cpp PRE-CREATION 
> 
> Diff: https://git.reviewboard.kde.org/r/115459/diff/
> 
> 
> Testing
> -------
> 
> Unit tests still succeed for X11, but they are not complete, though the most important aspects are tested.
> 
> 
> Thanks,
> 
> Martin Gräßlin
> 
>

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