Changes between Initial Version and Version 1 of ExamplesEFL

Timestamp:

Dec 3, 2009, 10:39:32 AM (15 years ago)

Author:

Thanatermesis

Comment:

--

ExamplesEFL

@@ +1 @@
+[[TOC]]
+= Examples of Codes for EFL =
+
+This page includes some Tips and Tricks for EFL, you can found here a lot of chunks of examples of nice and useful things
+
+You can consider this page as a kind of fast reference
+
+
+== Chunks of codes ==
+
+=== Exe Handler ===
+Run an external command and set a handler (listener) to run a function when it has finished (exited), it also can know the exit code value of the command launched
+
+{{{
+#!C
+#include <stdio.h>
+#include <Ecore.h>
+
+typedef struct _Handy Handy;
+struct _Handy
+{
+   Ecore_Exe *gen_exe;
+   Ecore_Event_Handler *handler;
+};
+
+static int
+_run_cb(){
+   // Run this just in order to demonstrate that we are not catching the events anymore (handlers deleted previously)
+   ecore_exe_run("echo 'running something extra (_run_cb) for check handler' ; sleep 1 ; false", NULL);
+}
+
+static int
+_del_cb(void *data, int type, void *event)
+{
+   Ecore_Exe_Event_Del *ev;
+   Handy *hand = NULL;
+
+   ev = event;
+   hand = data;
+
+   if (hand)
+   {
+      ecore_event_handler_del(hand->handler);
+      hand->handler = NULL;
+      hand->gen_exe = NULL;
+      printf("handlers deleted\n");
+   }
+
+   if (ev->exit_code == 1) // this is the return exit code by the job run before
+   {
+      printf("exit code (1) returned from command\n");
+      _run_cb(); // This is not needed, is just a checker of that the handler has really finished (deleted)
+   }
+
+   if(hand)
+   {
+      printf("hand freed\n");
+      free(hand);
+   }
+
+   return ECORE_CALLBACK_CANCEL; // 0
+}
+
+int main (int argc, char **argv) {
+
+   ecore_init();
+
+   Handy *hand = NULL;
+   hand = calloc(1, sizeof(Handy));
+
+   // Add event handler to call _del_cb when the job is finished (deleted), also pass the structure hand
+   hand->handler = ecore_event_handler_add(ECORE_EXE_EVENT_DEL, _del_cb, hand);
+   // run something, and return false in order to catch the 'error' exit code (1)
+   hand->gen_exe = ecore_exe_run("echo running command ; sleep 1 ; echo command finished ; false", hand);
+
+
+   ecore_main_loop_begin();
+
+   ecore_shutdown();
+
+   return(0);
+}
+}}}
+
+
+
+
+
+
+=== ===
+
+{{{
+#!C
+
+}}}
+
+
+=== ===
+
+{{{
+#!C
+
+}}}
+
+
+=== ===
+
+{{{
+#!C
+
+}}}
+
+
+=== ===
+
+{{{
+#!C
+
+}}}
+
+
+=== ===
+
+{{{
+#!C
+
+}}}
+
+
+=== ===
+
+{{{
+#!C
+
+}}}
+
+
+=== ===
+
+{{{
+#!C
+
+}}}
+
+
+=== ===
+
+{{{
+#!C
+
+}}}
+
+
+=== ===
+
+{{{
+#!C
+
+}}}
+
+
+=== ===
+
+{{{
+#!C
+
+}}}
+
+
+=== ===
+
+{{{
+#!C
+
+}}}