122 lines
2.9 KiB
C
122 lines
2.9 KiB
C
|
//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 incrementing 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;
|
||
|
|
||
|
elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
|
||
|
|
||
|
win = elm_win_util_standard_add("efl-thread-4", "EFL Thread 4");
|
||
|
elm_win_autodel_set(win, EINA_TRUE);
|
||
|
|
||
|
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();
|
||
|
|
||
|
evas_object_resize(win, 400, 400);
|
||
|
evas_object_show(win);
|
||
|
|
||
|
elm_run();
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
ELM_MAIN()
|