gui.c

   1 static void gui_show_error(const char *errstr, ...) {
   2         va_list ap;
   3
   4         va_start(ap, errstr);
   5
   6         if (gui->error)
   7                 gui->error(errstr, ap);
   8
   9         vfprintf(stderr, errstr, ap);
  10         fprintf(stderr, "\n");
  11         va_end(ap);
  12 }
  13
  14 static void gui_item_clicked(void *data, Evas *evas, Evas_Object *item, void *event) {
  15         MenuItem *menu = data;
  16         if (gui->select) {
  17                 gui->select(item);
  18                 /* flush all changes of the whole canvas to the screen.
  19                  * normally this would be done once the event handler
  20                  * returns, however in our case this might never happen
  21                  * because the menu callback could kexec a kernel.
  22                  */
  23                 evas_render(evas);
  24         }
  25         menu->callback(menu->data);
  26         if (gui->deselect)
  27                 gui->deselect(item);
  28 }
  29
  30 static void poweroff(void *data) {
  31         umount_all();
  32         system("poweroff");
  33 }
  34
  35 static void boot_nand(void *data) {
  36         BootItem *nand = scan_partition((const char *)data);
  37         if (!nand) {
  38                 gui_show_error("No kernel found in NAND Flash");
  39                 return;
  40         }
  41
  42         boot_kernel(nand);
  43 }
  44
  45 static void gui_bootitem_clicked(void *data) {
  46         boot_kernel((BootItem*)data);
  47 }
  48
  49 static bool gui_init(){
  50         if (!ecore_init() || !ecore_evas_init())
  51                 return false;
  52
  53         /* XXX: fixed dimensions */
  54         ee = ecore_evas_new(NULL, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, NULL);
  55
  56         if (!ee)
  57                 return false;
  58
  59         ecore_evas_title_set(ee, APPNAME);
  60         ecore_evas_borderless_set(ee, 0);
  61         ecore_evas_show(ee);
  62
  63         evas = ecore_evas_get(ee);
  64         if (!evas)
  65                 return false;
  66
  67         evas_font_path_append(evas, FONT_PATH);
  68
  69         return true;
  70 }