forked from enlightenment/efl
306 lines
10 KiB
C
306 lines
10 KiB
C
/**
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* @defgroup General General
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* @ingroup Elementary
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*
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* @brief General Elementary API. Functions that don't relate to
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* Elementary objects specifically.
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*
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* Here are documented functions which init/shutdown the library,
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* that apply to generic Elementary objects, that deal with
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* configuration, et cetera.
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*
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* @ref general_functions_example_page "This" example contemplates
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* some of these functions.
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*/
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/**
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* @addtogroup General
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* @{
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*/
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#include "elm_general.eot.h"
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/**
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* Defines couple of standard Evas_Object layers to be used
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* with evas_object_layer_set().
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*
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* @note whenever extending with new values, try to keep some padding
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* to siblings so there is room for further extensions.
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*/
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typedef enum
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{
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ELM_OBJECT_LAYER_BACKGROUND = EVAS_LAYER_MIN + 64, /**< where to place backgrounds */
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ELM_OBJECT_LAYER_DEFAULT = 0, /**< Evas_Object default layer (and thus for Elementary) */
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ELM_OBJECT_LAYER_FOCUS = EVAS_LAYER_MAX - 128, /**< where focus object visualization is */
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ELM_OBJECT_LAYER_TOOLTIP = EVAS_LAYER_MAX - 64, /**< where to show tooltips */
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ELM_OBJECT_LAYER_CURSOR = EVAS_LAYER_MAX - 32, /**< where to show cursors */
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ELM_OBJECT_LAYER_LAST /**< last layer known by Elementary */
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} Elm_Object_Layer;
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/**************************************************************************/
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EAPI extern int ELM_ECORE_EVENT_ETHUMB_CONNECT;
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/**
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* Emitted when the application has reconfigured elementary settings due
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* to an external configuration tool asking it to.
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*/
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EAPI extern int ELM_EVENT_CONFIG_ALL_CHANGED;
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/**
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* Emitted when any Elementary's policy value is changed.
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*/
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EAPI extern int ELM_EVENT_POLICY_CHANGED;
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/**
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* Emitted when nothing is visible and the process as a whole should go into
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* a background state.
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* @since 1.12
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*/
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EAPI extern int ELM_EVENT_PROCESS_BACKGROUND;
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/**
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* Emitted when going from nothing being visible to at least one window
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* being visible.
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* @since 1.12
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*/
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EAPI extern int ELM_EVENT_PROCESS_FOREGROUND;
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typedef Eina_Bool (*Elm_Event_Cb)(void *data, Evas_Object *obj, Evas_Object *src, Evas_Callback_Type type, void *event_info); /**< Function prototype definition for callbacks on input events happening on Elementary widgets. @a data will receive the user data pointer passed to elm_object_event_callback_add(). @a src will be a pointer to the widget on which the input event took place. @a type will get the type of this event and @a event_info, the struct with details on this event. */
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extern EAPI double _elm_startup_time;
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#ifndef ELM_LIB_QUICKLAUNCH
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#define ELM_MAIN() int main(int argc, char **argv) { int ret; _elm_startup_time = ecore_time_unix_get(); elm_init(argc, argv); ret = elm_main(argc, argv); elm_shutdown(); return ret; } /**< macro to be used after the elm_main() function */
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#else
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/** @deprecated macro to be used after the elm_main() function.
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* Do not define ELM_LIB_QUICKLAUNCH
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* Compile your programs with -fpie and -pie -rdynamic instead, to generate a single binary (linkable executable).
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*/
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#define ELM_MAIN() int main(int argc, char **argv) { int ret; _elm_startup_time = ecore_time_unix_get(); ret = elm_quicklaunch_fallback(argc, argv); elm_shutdown(); return ret; }
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#endif
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/**************************************************************************/
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/* General calls */
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/**
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* Initialize Elementary
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*
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* @param[in] argc System's argument count value
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* @param[in] argv System's pointer to array of argument strings
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* @return The init counter value.
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*
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* This function initializes Elementary and increments a counter of
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* the number of calls to it. It returns the new counter's value.
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*
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* @warning This call is exported only for use by the @c ELM_MAIN()
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* macro. There is no need to use this if you use this macro (which
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* is highly advisable). An elm_main() should contain the entry
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* point code for your application, having the same prototype as
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* elm_init(), and @b not being static (putting the @c EAPI_MAIN symbol
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* in front of its type declaration is advisable). The @c
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* ELM_MAIN() call should be placed just after it.
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*
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* Example:
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* @dontinclude bg_example_01.c
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* @skip static void
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* @until ELM_MAIN
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*
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* See the full @ref bg_example_01_c "example".
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*
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* @see elm_shutdown().
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* @ingroup General
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*/
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EAPI int elm_init(int argc, char **argv);
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/**
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* Shut down Elementary
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*
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* @return The init counter value.
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*
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* This should be called at the end of your application, just
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* before it ceases to do any more processing. This will clean up
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* any permanent resources your application may have allocated via
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* Elementary that would otherwise persist.
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*
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* @see elm_init() for an example
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*
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* @note elm_shutdown() will iterate main loop until all ecore_evas are freed.
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* There is a possibility to call your ecore callbacks(timer, animator, event,
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* job, and etc.) in elm_shutdown()
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*
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* @ingroup General
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*/
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EAPI int elm_shutdown(void);
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/**
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* Run Elementary's main loop
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*
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* This call should be issued just after all initialization is
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* completed. This function will not return until elm_exit() is
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* called. It will keep looping, running the main
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* (event/processing) loop for Elementary.
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*
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* @see elm_init() for an example
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*
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* @ingroup General
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*/
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EAPI void elm_run(void);
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/**
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* Ask to exit Elementary's main loop
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*
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* If this call is issued, it will flag the main loop to cease
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* processing and return back to its parent function (usually your
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* elm_main() function). This does not mean the main loop instantly quits.
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* So your ecore callbacks(timer, animator, event, job, and etc.) have chances
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* to be called even after elm_exit().
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*
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* @see elm_init() for an example. There, just after a request to
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* close the window comes, the main loop will be left.
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*
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* @note By using the appropriate #ELM_POLICY_QUIT on your Elementary
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* applications, you'll be able to get this function called automatically for you.
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*
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* @ingroup General
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*/
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EAPI void elm_exit(void);
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/**
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* Exposed symbol used only by macros and should not be used by apps
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*/
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EAPI void elm_quicklaunch_mode_set(Eina_Bool ql_on);
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/**
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* Exposed symbol used only by macros and should not be used by apps
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*/
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EAPI Eina_Bool elm_quicklaunch_mode_get(void);
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/**
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* Exposed symbol used only by macros and should not be used by apps
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*/
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EAPI int elm_quicklaunch_init(int argc, char **argv);
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/**
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* Exposed symbol used only by macros and should not be used by apps
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*/
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EAPI int elm_quicklaunch_sub_init(int argc, char **argv);
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/**
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* Exposed symbol used only by macros and should not be used by apps
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*/
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EAPI int elm_quicklaunch_sub_shutdown(void);
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/**
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* Exposed symbol used only by macros and should not be used by apps
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*/
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EAPI int elm_quicklaunch_shutdown(void);
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/**
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* Exposed symbol used only by macros and should not be used by apps
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*/
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EAPI void elm_quicklaunch_seed(void);
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/**
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* Exposed symbol used only by macros and should not be used by apps
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*/
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EAPI Eina_Bool elm_quicklaunch_prepare(int argc, char **argv, const char *cwd);
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/**
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* Exposed symbol used only by macros and should not be used by apps
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*/
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EAPI Eina_Bool elm_quicklaunch_fork(int argc, char **argv, char *cwd, void (*postfork_func) (void *data), void *postfork_data);
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/**
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* Exposed symbol used only by macros and should not be used by apps
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*/
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EAPI void elm_quicklaunch_cleanup(void);
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/**
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* Exposed symbol used only by macros and should not be used by apps
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*/
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EAPI int elm_quicklaunch_fallback(int argc, char **argv);
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/**
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* Exposed symbol used only by macros and should not be used by apps
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*/
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EAPI char *elm_quicklaunch_exe_path_get(const char *exe, const char *cwd);
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/**
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* Set a new policy's value (for a given policy group/identifier).
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*
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* @param policy policy identifier, as in @ref Elm_Policy.
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* @param value policy value, which depends on the identifier
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*
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* @return @c EINA_TRUE on success or @c EINA_FALSE, on error.
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*
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* Elementary policies define applications' behavior,
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* somehow. These behaviors are divided in policy groups
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* (see #Elm_Policy enumeration). This call will emit the Ecore
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* event #ELM_EVENT_POLICY_CHANGED, which can be hooked at with
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* handlers. An #Elm_Event_Policy_Changed struct will be passed,
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* then.
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*
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* @note Currently, we have only one policy identifier/group
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* (#ELM_POLICY_QUIT), which has two possible values.
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*
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* @ingroup General
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*/
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EAPI Eina_Bool elm_policy_set(unsigned int policy, int value);
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/**
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* Get the policy value for given policy identifier.
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*
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* @param policy policy identifier, as in #Elm_Policy.
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* @return The currently set policy value, for that
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* identifier. Will be @c 0 if @p policy passed is invalid.
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*
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* @ingroup General
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*/
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EAPI int elm_policy_get(unsigned int policy);
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/**
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* Change the language of the current application
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*
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* The @p lang passed must be the full name of the locale to use, for
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* example "en_US.utf8" or "es_ES@euro".
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*
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* Changing language with this function will make Elementary run through
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* all its widgets, translating strings set with
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* elm_object_domain_translatable_part_text_set(). This way, an entire
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* UI can have its language changed without having to restart the program.
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*
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* For more complex cases, like having formatted strings that need
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* translation, widgets will also emit a "language,changed" signal that
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* the user can listen to and manually translate the text.
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*
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* @param lang Language to set, must be the full name of the locale
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*
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* @ingroup General
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*/
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EAPI void elm_language_set(const char *lang);
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typedef enum _Elm_Process_State
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{
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ELM_PROCESS_STATE_FOREGROUND, /*< The process is in a foreground/active/running state - work as normal. @since 1.12 */
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ELM_PROCESS_STATE_BACKGROUND /*< The process is in the bacgkround, so you may want to stop animating, fetching data as often etc. @since 1.12 */
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} Elm_Process_State; /** The state of the process as a whole. @since 1.12 */
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/**
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* Get the process state as a while
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*
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* @return The current process state
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*
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* The process may logically be some runnable state. a "foreground" application
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* runs as normal and may be user-visible or "active" in some way. A
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* background application is not user-visible or otherwise important and
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* likely should release resources and not wake up often or process much.
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*
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* @ingroup General
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* @since 1.12
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*/
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EAPI Elm_Process_State elm_process_state_get(void);
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/**
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* @}
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*/
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