93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
//Compile with:
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// gcc -g -Wall -o ecore_event_example_02 ecore_event_example_02.c `pkg-config --cflags --libs ecore`
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#include <Ecore.h>
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#include <unistd.h>
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struct context // helper struct to give some context to the callbacks
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{
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const char *str1, *str2;
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Ecore_Event_Handler *handler1;
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Ecore_Event_Handler *handler2;
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};
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static int _event_type = 0; // a new type of event will be defined and stored here
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static Eina_Bool
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_event_handler1_cb(void *data, int type EINA_UNUSED, void *event)
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{
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int *number = event;
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const char *str = data;
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printf("event_handler1: number=%d, data=\"%s\".\n", *number, str);
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if ((*number % 2) == 0)
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return ECORE_CALLBACK_DONE;
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return ECORE_CALLBACK_PASS_ON;
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}
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static Eina_Bool
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_event_handler2_cb(void *data, int type EINA_UNUSED, void *event) // event callback
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{
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struct context *ctxt = data;
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int *number = event;
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printf("event_handler2: number=%d.\n", *number);
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if (*number == 5)
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{
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const char *old = NULL;
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old = ecore_event_handler_data_set(ctxt->handler1, (void *)ctxt->str2);
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printf("changed handler1 data from \"%s\" to \"%s\".\n",
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old, ctxt->str2);
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}
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else if (*number >= 10)
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{
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printf("finish main loop.\n");
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ecore_main_loop_quit();
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}
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return ECORE_CALLBACK_DONE; // same as EINA_FALSE
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}
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int
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main(void)
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{
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struct context ctxt = {0};
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int i;
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ctxt.str1 = "dataone";
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ctxt.str2 = "datatwo";
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if (!ecore_init())
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{
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printf("ERROR: Cannot init Ecore!\n");
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return -1;
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}
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_event_type = ecore_event_type_new();
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ctxt.handler1 = ecore_event_handler_add(_event_type,
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_event_handler1_cb,
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ctxt.str1);
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ctxt.handler2 = ecore_event_handler_add(_event_type,
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_event_handler2_cb,
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&ctxt);
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for (i = 0; i <= 15; i++)
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{
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int *event_data = malloc(sizeof(*event_data));
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*event_data = i;
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ecore_event_add(_event_type, event_data, NULL, NULL);
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}
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printf("start the main loop.\n");
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ecore_main_loop_begin();
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ecore_shutdown();
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return 0;
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}
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