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Add flexible versioning scheme
GLib introduced macros that allows defining the lower and upper bounds of the API to be used by application code. The lower bound allows to define the minimum version that will trigger deprecation warnings; the upper bound defines the maximum version that will trigger compiler warnings for unavailable symbols. This scheme allows gradually porting application code to a new version of the API, especially in case of resynchronization after multiple development cycles.
This commit is contained in:
Emmanuele Bassi
parent
eb42127cf0
commit
780a11b926
@ -26,19 +26,59 @@
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#ifndef __CLUTTER_MACROS_H__
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#ifndef __CLUTTER_MACROS_H__
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#define __CLUTTER_MACROS_H__
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#define __CLUTTER_MACROS_H__
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/* these macros are used to mark deprecated functions, and thus have to be
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#include <clutter/clutter-version.h>
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* exposed in a public header.
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/**
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* CLUTTER_FLAVOUR:
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*
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*
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* do *not* use them in other libraries depending on Clutter: use G_DEPRECATED
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* GL Windowing system used
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* and G_DEPRECATED_FOR, or use your own wrappers around them.
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*
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* Since: 0.4
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*
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* Deprecated: 1.10: The macro evaluates to "deprecated" as Clutter can be
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* compiled with multiple windowing system backends. Use the various
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* CLUTTER_WINDOWING_* macros to detect the windowing system that Clutter
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* is being compiled against, and the type check macros for the
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* #ClutterBackend for a run-time check.
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*/
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*/
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#ifdef CLUTTER_DISABLE_DEPRECATION_WARNINGS
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#define CLUTTER_FLAVOUR "deprecated"
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#define CLUTTER_DEPRECATED
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#define CLUTTER_DEPRECATED_FOR(f)
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/**
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#else
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* CLUTTER_COGL
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#define CLUTTER_DEPRECATED G_DEPRECATED
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*
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#define CLUTTER_DEPRECATED_FOR(f) G_DEPRECATED_FOR(f)
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* Cogl (internal GL abstraction utility library) backend. Can be "gl" or
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#endif
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* "gles" currently
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*
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* Since: 0.4
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*
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* Deprecated: 1.10: The macro evaluates to "deprecated" as Cogl can be
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* compiled against multiple GL implementations.
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*/
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#define CLUTTER_COGL "deprecated"
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/**
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* CLUTTER_STAGE_TYPE:
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*
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* The default GObject type for the Clutter stage.
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*
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* Since: 0.8
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*
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* Deprecated: 1.10: The macro evaluates to "deprecated" as Clutter can
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* be compiled against multiple windowing systems. You can use the
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* CLUTTER_WINDOWING_* macros for compile-time checks, and the type
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* check macros for run-time checks.
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*/
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#define CLUTTER_STAGE_TYPE "deprecated"
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/**
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* CLUTTER_NO_FPU:
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*
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* Set to 1 if Clutter was built without FPU (i.e fixed math), 0 otherwise
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*
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* @Deprecated: 0.6: This macro is no longer defined (identical code is used
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* regardless the presence of FPU).
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*/
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#define CLUTTER_NO_FPU (0)
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/* some structures are meant to be opaque and still be allocated on the stack;
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/* some structures are meant to be opaque and still be allocated on the stack;
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* in order to avoid people poking at their internals, we use this macro to
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* in order to avoid people poking at their internals, we use this macro to
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@ -52,5 +92,160 @@
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#define CLUTTER_PRIVATE_FIELD(x) clutter_private_ ## x
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#define CLUTTER_PRIVATE_FIELD(x) clutter_private_ ## x
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#endif
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#endif
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/* these macros are used to mark deprecated functions, and thus have to be
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* exposed in a public header.
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*
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* do *not* use them in other libraries depending on Clutter: use G_DEPRECATED
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* and G_DEPRECATED_FOR, or use your own wrappers around them.
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*/
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#ifdef CLUTTER_DISABLE_DEPRECATION_WARNINGS
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#define CLUTTER_DEPRECATED
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#define CLUTTER_DEPRECATED_FOR(f)
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#define CLUTTER_UNAVAILABLE(maj,min)
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#else
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#define CLUTTER_DEPRECATED G_DEPRECATED
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#define CLUTTER_DEPRECATED_FOR(f) G_DEPRECATED_FOR(f)
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#define CLUTTER_UNAVAILABLE(maj,min) G_UNAVAILABLE(maj,min)
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#endif
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/**
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* CLUTTER_VERSION_MIN_REQUIRED:
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*
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* A macro that should be defined by the user prior to including the
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* clutter.h header.
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*
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* The definition should be one of the predefined Clutter version macros,
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* such as: %CLUTTER_VERSION_1_0, %CLUTTER_VERSION_1_2, ...
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*
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* This macro defines the lower bound for the Clutter API to be used.
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*
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* If a function has been deprecated in a newer version of Clutter, it
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* is possible to use this symbol to avoid the compiler warnings without
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* disabling warnings for every deprecated function.
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*
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* Since: 1.10
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*/
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#ifndef CLUTTER_VERSION_MIN_REQUIRED
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# define CLUTTER_VERSION_MIN_REQUIRED (CLUTTER_VERSION_PREV_STABLE)
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#endif
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/**
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* CLUTTER_VERSION_MAX_ALLOWED:
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*
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* A macro that should be define by the user prior to including the
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* clutter.h header.
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*
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* The definition should be one of the predefined Clutter version macros,
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* such as: %CLUTTER_VERSION_1_0, %CLUTTER_VERSION_1_2, ...
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*
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* This macro defines the upper bound for the Clutter API to be used.
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*
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* If a function has been introduced in a newer version of Clutter, it
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* is possible to use this symbol to get compiler warnings when trying
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* to use that function.
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*
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* Since: 1.10
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*/
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#ifndef CLUTTER_VERSION_MAX_ALLOWED
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# if CLUTTER_VERSION_MIN_REQUIRED > CLUTTER_VERSION_PREV_STABLE
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# define CLUTTER_VERSION_MAX_ALLOWED CLUTTER_VERSION_MIN_REQUIRED
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# else
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# define CLUTTER_VERSION_MAX_ALLOWED CLUTTER_VERSION_CUR_STABLE
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# endif
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#endif
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/* sanity checks */
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#if CLUTTER_VERSION_MAX_ALLOWED < CLUTTER_VERSION_MIN_REQUIRED
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# error "CLUTTER_VERSION_MAX_ALLOWED must be >= CLUTTER_VERSION_MIN_REQUIRED"
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#endif
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#if CLUTTER_VERSION_MIN_REQUIRED < CLUTTER_VERSION_1_0
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# error "CLUTTER_VERSION_MIN_REQUIRED must be >= CLUTTER_VERSION_1_0"
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#endif
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/* XXX: Every new stable minor release should add a set of macros here */
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#if CLUTTER_VERSION_MIN_REQUIRED >= CLUTTER_VERSION_1_0
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# define CLUTTER_DEPRECATED_IN_1_0 CLUTTER_DEPRECATED
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# define CLUTTER_DEPRECATED_IN_1_0_FOR(f) CLUTTER_DEPRECATED_FOR(f)
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#else
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# define CLUTTER_DEPRECATED_IN_1_0
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# define CLUTTER_DEPRECATED_IN_1_0_FOR(f)
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#endif
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#if CLUTTER_VERSION_MAX_ALLOWED < CLUTTER_VERSION_1_0
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# define CLUTTER_AVAILABLE_IN_1_0 CLUTTER_UNAVAILABLE(1, 0)
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#else
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# define CLUTTER_AVAILABLE_IN_1_0
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#endif
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#if CLUTTER_VERSION_MIN_REQUIRED >= CLUTTER_VERSION_1_2
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# define CLUTTER_DEPRECATED_IN_1_2 CLUTTER_DEPRECATED
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# define CLUTTER_DEPRECATED_IN_1_2_FOR(f) CLUTTER_DEPRECATED_FOR(f)
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#else
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# define CLUTTER_DEPRECATED_IN_1_2
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# define CLUTTER_DEPRECATED_IN_1_2_FOR(f)
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#endif
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#if CLUTTER_VERSION_MAX_ALLOWED < CLUTTER_VERSION_1_2
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# define CLUTTER_AVAILABLE_IN_1_2 CLUTTER_UNAVAILABLE(1, 2)
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#else
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# define CLUTTER_AVAILABLE_IN_1_2
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#endif
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#if CLUTTER_VERSION_MIN_REQUIRED >= CLUTTER_VERSION_1_4
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# define CLUTTER_DEPRECATED_IN_1_4 CLUTTER_DEPRECATED
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# define CLUTTER_DEPRECATED_IN_1_4_FOR(f) CLUTTER_DEPRECATED_FOR(f)
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#else
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# define CLUTTER_DEPRECATED_IN_1_4
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# define CLUTTER_DEPRECATED_IN_1_4_FOR(f)
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#endif
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#if CLUTTER_VERSION_MAX_ALLOWED < CLUTTER_VERSION_1_4
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# define CLUTTER_AVAILABLE_IN_1_4 CLUTTER_UNAVAILABLE(1, 4)
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#else
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# define CLUTTER_AVAILABLE_IN_1_4
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#endif
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#if CLUTTER_VERSION_MIN_REQUIRED >= CLUTTER_VERSION_1_6
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# define CLUTTER_DEPRECATED_IN_1_6 CLUTTER_DEPRECATED
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# define CLUTTER_DEPRECATED_IN_1_6_FOR(f) CLUTTER_DEPRECATED_FOR(f)
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#else
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# define CLUTTER_DEPRECATED_IN_1_6
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# define CLUTTER_DEPRECATED_IN_1_6_FOR(f)
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#endif
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#if CLUTTER_VERSION_MAX_ALLOWED < CLUTTER_VERSION_1_6
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# define CLUTTER_AVAILABLE_IN_1_6 CLUTTER_UNAVAILABLE(1, 6)
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#else
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# define CLUTTER_AVAILABLE_IN_1_6
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#endif
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#if CLUTTER_VERSION_MIN_REQUIRED >= CLUTTER_VERSION_1_8
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# define CLUTTER_DEPRECATED_IN_1_8 CLUTTER_DEPRECATED
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# define CLUTTER_DEPRECATED_IN_1_8_FOR(f) CLUTTER_DEPRECATED_FOR(f)
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#else
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# define CLUTTER_DEPRECATED_IN_1_8
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# define CLUTTER_DEPRECATED_IN_1_8_FOR(f)
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#endif
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#if CLUTTER_VERSION_MAX_ALLOWED < CLUTTER_VERSION_1_8
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# define CLUTTER_AVAILABLE_IN_1_8 CLUTTER_UNAVAILABLE(1, 8)
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#else
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# define CLUTTER_AVAILABLE_IN_1_8
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#endif
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#if CLUTTER_VERSION_MIN_REQUIRED >= CLUTTER_VERSION_1_10
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# define CLUTTER_DEPRECATED_IN_1_10 CLUTTER_DEPRECATED
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# define CLUTTER_DEPRECATED_IN_1_10_FOR(f) CLUTTER_DEPRECATED_FOR(f)
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#else
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# define CLUTTER_DEPRECATED_IN_1_10
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# define CLUTTER_DEPRECATED_IN_1_10_FOR(f)
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#endif
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#if CLUTTER_VERSION_MAX_ALLOWED < CLUTTER_VERSION_1_10
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# define CLUTTER_AVAILABLE_IN_1_10 CLUTTER_UNAVAILABLE(1, 10)
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#else
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# define CLUTTER_AVAILABLE_IN_1_10
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#endif
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#endif /* __CLUTTER_MACROS_H__ */
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#endif /* __CLUTTER_MACROS_H__ */
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@ -87,6 +87,84 @@ G_BEGIN_DECLS
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(CLUTTER_MINOR_VERSION << 16) | \
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(CLUTTER_MINOR_VERSION << 16) | \
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(CLUTTER_MICRO_VERSION << 8))
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(CLUTTER_MICRO_VERSION << 8))
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/* XXX - Every new stable minor release bump should add a macro here */
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/**
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* CLUTTER_VERSION_1_0:
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*
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* A macro that evaluates to the 1.0 version of Clutter, in a format
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* that can be used by the C pre-processor.
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*
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* Since: 1.10
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*/
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#define CLUTTER_VERSION_1_0 (G_ENCODE_VERSION (1, 0))
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/**
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* CLUTTER_VERSION_1_2:
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*
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* A macro that evaluates to the 1.2 version of Clutter, in a format
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* that can be used by the C pre-processor.
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*
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* Since: 1.10
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*/
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#define CLUTTER_VERSION_1_2 (G_ENCODE_VERSION (1, 2))
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/**
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* CLUTTER_VERSION_1_4:
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*
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* A macro that evaluates to the 1.4 version of Clutter, in a format
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* that can be used by the C pre-processor.
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*
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* Since: 1.10
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*/
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#define CLUTTER_VERSION_1_4 (G_ENCODE_VERSION (1, 4))
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/**
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* CLUTTER_VERSION_1_6:
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*
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* A macro that evaluates to the 1.6 version of Clutter, in a format
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* that can be used by the C pre-processor.
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*
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* Since: 1.10
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*/
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#define CLUTTER_VERSION_1_6 (G_ENCODE_VERSION (1, 6))
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/**
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* CLUTTER_VERSION_1_8:
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*
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* A macro that evaluates to the 1.8 version of Clutter, in a format
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* that can be used by the C pre-processor.
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*
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* Since: 1.10
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*/
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#define CLUTTER_VERSION_1_8 (G_ENCODE_VERSION (1, 8))
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/**
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* CLUTTER_VERSION_1_10:
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*
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* A macro that evaluates to the 1.10 version of Clutter, in a format
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* that can be used by the C pre-processor.
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*
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* Since: 1.10
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*/
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#define CLUTTER_VERSION_1_10 (G_ENCODE_VERSION (1, 10))
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/* evaluates to the current stable version; for development cycles,
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* this means the next stable target
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*/
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#if (CLUTTER_MINOR_VERSION % 2)
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# define CLUTTER_VERSION_CUR_STABLE (G_ENCODE_VERSION (CLUTTER_MAJOR_VERSION, CLUTTER_MINOR_VERSION + 1))
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#else
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# define CLUTTER_VERSION_CUR_STABLE (G_ENCODE_VERSION (CLUTTER_MAJOR_VERSION, CLUTTER_MINOR_VERSION))
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#endif
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/* evaluates to the previous stable version */
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#if (CLUTTER_MINOR_VERSION % 2)
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# define CLUTTER_VERSION_PREV_STABLE (G_ENCODE_VERSION (CLUTTER_MAJOR_VERSION, CLUTTER_MINOR_VERSION - 1))
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#else
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# define CLUTTER_VERSION_PREV_STABLE (G_ENCODE_VERSION (CLUTTER_MAJOR_VERSION, CLUTTER_MINOR_VERSION - 2))
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#endif
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/**
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/**
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* CLUTTER_CHECK_VERSION:
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* CLUTTER_CHECK_VERSION:
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* @major: major version, like 1 in 1.2.3
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* @major: major version, like 1 in 1.2.3
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@ -101,58 +179,6 @@ G_BEGIN_DECLS
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(CLUTTER_MAJOR_VERSION == (major) && CLUTTER_MINOR_VERSION > (minor)) || \
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(CLUTTER_MAJOR_VERSION == (major) && CLUTTER_MINOR_VERSION > (minor)) || \
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(CLUTTER_MAJOR_VERSION == (major) && CLUTTER_MINOR_VERSION == (minor) && CLUTTER_MICRO_VERSION >= (micro)))
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(CLUTTER_MAJOR_VERSION == (major) && CLUTTER_MINOR_VERSION == (minor) && CLUTTER_MICRO_VERSION >= (micro)))
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/**
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* CLUTTER_FLAVOUR:
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*
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* GL Windowing system used
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*
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* Since: 0.4
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*
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* Deprecated: 1.10: The macro evaluates to "deprecated" as Clutter can be
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* compiled with multiple windowing system backends. Use the various
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* CLUTTER_WINDOWING_* macros to detect the windowing system that Clutter
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* is being compiled against, and the type check macros for the
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* #ClutterBackend for a run-time check.
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*/
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#define CLUTTER_FLAVOUR "@CLUTTER_FLAVOUR@"
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/**
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* CLUTTER_COGL
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*
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* Cogl (internal GL abstraction utility library) backend. Can be "gl" or
|
|
||||||
* "gles" currently
|
|
||||||
*
|
|
||||||
* Since: 0.4
|
|
||||||
*
|
|
||||||
* Deprecated: 1.10: The macro evaluates to "deprecated" as Cogl can be
|
|
||||||
* compiled against multiple GL implementations.
|
|
||||||
*/
|
|
||||||
#define CLUTTER_COGL "@CLUTTER_COGL@"
|
|
||||||
|
|
||||||
/**
|
|
||||||
* CLUTTER_STAGE_TYPE:
|
|
||||||
*
|
|
||||||
* The default GObject type for the Clutter stage.
|
|
||||||
*
|
|
||||||
* Since: 0.8
|
|
||||||
*
|
|
||||||
* Deprecated: 1.10: The macro evaluates to "deprecated" as Clutter can
|
|
||||||
* be compiled against multiple windowing systems. You can use the
|
|
||||||
* CLUTTER_WINDOWING_* macros for compile-time checks, and the type
|
|
||||||
* check macros for run-time checks.
|
|
||||||
*/
|
|
||||||
#define CLUTTER_STAGE_TYPE @CLUTTER_STAGE_TYPE@
|
|
||||||
|
|
||||||
/**
|
|
||||||
* CLUTTER_NO_FPU:
|
|
||||||
*
|
|
||||||
* Set to 1 if Clutter was built without FPU (i.e fixed math), 0 otherwise
|
|
||||||
*
|
|
||||||
* @Deprecated: 0.6: This macro is no longer defined (identical code is used
|
|
||||||
* regardless the presence of FPU).
|
|
||||||
*/
|
|
||||||
#define CLUTTER_NO_FPU CLUTTER_NO_FPU_MACRO_WAS_REMOVED
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* clutter_major_version:
|
* clutter_major_version:
|
||||||
*
|
*
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user