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//Compile with:
//gcc -o efl_thread_4 efl_thread_win32_4.c -g `pkg-config --cflags --libs elementary`
#include <Elementary.h>
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
static Evas_Object *win = NULL;
static Evas_Object *rect = NULL;
struct info
{
double x, y;
};
static void my_thread_mainloop_code(void *data);
static HANDLE thread;
static CRITICAL_SECTION lock;
static int th_exit = 0;
// BEGIN - code running in my custom win32 thread instance
//
static DWORD WINAPI
my_thread_run(LPVOID arg)
{
double t = 0.0;
// inside the thread function lets loop forever incrimenting a time point
for (;;)
{
struct info *inf = malloc(sizeof(struct info));
int do_exit;
if (inf)
{
inf->x = 200 + (200 * sin(t));
inf->y = 200 + (200 * cos(t));
// now call a function in the mainloop and pass it our allocated
// data that it will free when it gets it
ecore_main_loop_thread_safe_call_async
(my_thread_mainloop_code, inf);
}
// and sleep and loop
usleep(1000);
t += 0.02;
// in case someone has asked us to cancel - then cancel this loop
// co-operatively (cancelling is co-operative)
EnterCriticalSection(&lock);
do_exit = th_exit;
LeaveCriticalSection(&lock);
if (do_exit) break;
}
DeleteCriticalSection(&lock);
return NULL;
}
//
// END - code running in my custom win32 thread instance
static void
my_thread_new(void)
{
InitializeCriticalSection(&lock);
thread = CreateThread(NULL, 0, my_thread_run, NULL, 0, NULL);
if (!thread)
{
char *str = evil_last_error_get();
if (str)
{
fprintf("thread creation failed: %s\n", str);
free(str);
}
}
}
static void
my_thread_mainloop_code(void *data)
{
struct info *inf = data;
evas_object_move(rect, inf->x - 50, inf->y - 50);
free(inf);
}
// just test cancelling the thread
static void
down(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
EnterCriticalSection(&lock);
th_exit = 1;
LeaveCriticalSection(&lock);
}
EAPI_MAIN int
elm_main(int argc, char **argv)
{
Evas_Object *o, *bg;
win = elm_win_add(NULL, "efl-thread-4", ELM_WIN_BASIC);
elm_win_title_set(win, "EFL Thread 4");
elm_win_autodel_set(win, EINA_TRUE);
elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
evas_object_resize(win, 400, 400);
evas_object_show(win);
bg = elm_bg_add(win);
evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_win_resize_object_add(win, bg);
evas_object_show(bg);
o = evas_object_rectangle_add(evas_object_evas_get(win));
evas_object_color_set(o, 50, 80, 180, 255);
evas_object_resize(o, 100, 100);
evas_object_show(o);
// new in the examples - we have a mouse down on the blue box cancel
// the thread
evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, down, NULL);
rect = o;
// create custom thread to do some "work on the side"
my_thread_new();
elm_run();
elm_shutdown();
return 0;
}
ELM_MAIN()
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