static void timeout(struct rtgui_timer* timer, void* parameter)
{
struct rtgui_widget* widget;
widget = (struct rtgui_widget*)parameter;
if (key_pressed == RT_TRUE)
key_pressed = RT_FALSE;
else
picture_show_next(widget);
}
void picture_show(void)
{
/* create application */
struct rtgui_app *app;
struct rtgui_rect rect1;
struct rtgui_win *win_main;
rtgui_timer_t *timer;
app = rtgui_app_create(rt_thread_self(), "gui_app");
if (app == RT_NULL)
{
rt_kprintf("Create application \"gui_app\" failed!\n");
return;
}
rtgui_graphic_driver_get_rect(rtgui_graphic_driver_get_default(), &rect1);
/* create main window */
win_main = rtgui_win_create(RT_NULL, "main",
&rect1,
RTGUI_WIN_STYLE_NO_BORDER | RTGUI_WIN_STYLE_NO_TITLE);
if (win_main == RT_NULL)
{
rt_kprintf("Create window \"main\" failed!\n");
rtgui_app_destroy(app);
return;
}
/* create container in main window */
container = rtgui_container_create();
if (container == RT_NULL)
{
rt_kprintf("Create container failed!\n");
return;
}
rtgui_widget_set_rect(RTGUI_WIDGET(container), &rect1);
rtgui_object_set_event_handler(RTGUI_OBJECT(container), picture_view_event_handler);
rtgui_container_add_child(RTGUI_CONTAINER(win_main), RTGUI_WIDGET(container));
timer = rtgui_timer_create(500, RT_TIMER_FLAG_PERIODIC, timeout, RT_NULL);
rtgui_timer_start(timer);
rtgui_win_set_onkey(win_main, onkey_handle);
rtgui_win_show(win_main, RT_FALSE);
/* show next picture */
picture_show_next();
rtgui_app_run(app);
rtgui_app_destroy(app);
}
rtgui_view_t *picture_view_create(struct rtgui_workbench* workbench)
{
/* create picture view */
picture_view = rtgui_view_create("Picture Presentation");
rtgui_widget_set_event_handler(RTGUI_WIDGET(picture_view),
picture_view_event_handler);
rtgui_workbench_add_view(workbench, picture_view);
/* this view can be focused */
RTGUI_WIDGET(picture_view)->flag |= RTGUI_WIDGET_FLAG_FOCUSABLE;
/* show next picture */
picture_show_next();
view_mode = VIEW_DIR_MODE;
return picture_view;
}
static rt_bool_t onkey_handle(struct rtgui_object* object, struct rtgui_event* event)
{
struct rtgui_event_kbd* ekbd = (struct rtgui_event_kbd*)event;
if (ekbd->type == RTGUI_KEYDOWN)
{
if (ekbd->key == RTGUIK_RIGHT)
{
picture_show_next();
return RT_TRUE;
}
else if (ekbd->key == RTGUIK_LEFT)
{
picture_show_prev();
return RT_TRUE;
}
}
return RT_TRUE;
}
void picture_show(void* parameter)
{
/* create application */
struct rtgui_app *app;
struct rtgui_rect rect1;
rtgui_timer_t *timer;
app = rtgui_app_create(rt_thread_self(), "picture");
if (app == RT_NULL)
{
rt_kprintf("Create application \"picture\" failed!\n");
return;
}
rtgui_graphic_driver_get_rect(rtgui_graphic_driver_get_default(), &rect1);
/* create main window */
win = rtgui_mainwin_create(RT_NULL, "main",
RTGUI_WIN_STYLE_NO_BORDER | RTGUI_WIN_STYLE_NO_TITLE);
if (win == RT_NULL)
{
rt_kprintf("Create window \"main\" failed!\n");
rtgui_app_destroy(app);
return;
}
timer = rtgui_timer_create(500, RT_TIMER_FLAG_PERIODIC, timeout, (void*)win);
rtgui_timer_start(timer);
rtgui_object_set_event_handler(RTGUI_OBJECT(win), picture_view_event_handler);
rtgui_win_set_onkey(win, onkey_handle);
rtgui_win_show(win, RT_FALSE);
/* show next picture */
picture_show_next(RTGUI_WIDGET(win));
rtgui_app_run(app);
rtgui_app_destroy(app);
}
void timeout(struct rtgui_timer* timer, void* parameter)
{
picture_show_next();
}
static rt_bool_t picture_view_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
{
if (event->type == RTGUI_EVENT_PAINT)
{
struct rtgui_dc* dc;
struct rtgui_rect rect;
struct rtgui_image* image;
char fn[32];
dc = rtgui_dc_begin_drawing(widget);
if (dc == RT_NULL) return RT_FALSE;
rtgui_widget_get_rect(widget, &rect);
/* open image */
rt_snprintf(fn, sizeof(fn), "%s/%s", PICTURE_DIR, current_fn);
image = rtgui_image_create_from_file("hdc",
fn, RT_FALSE);
if (image != RT_NULL)
{
/* blit image */
rtgui_image_blit(image, dc, &rect);
/* destroy image */
rtgui_image_destroy(image);
}
else
{
rtgui_dc_fill_rect(dc, &rect);
rtgui_dc_draw_text(dc, "没有文件被打开", &rect);
}
rtgui_dc_end_drawing(dc);
return RT_FALSE;
}
else if (event->type == RTGUI_EVENT_KBD)
{
struct rtgui_event_kbd* ekbd = (struct rtgui_event_kbd*)event;
if (ekbd->type == RTGUI_KEYDOWN)
{
switch (ekbd->key)
{
case RTGUIK_RIGHT:
if (view_mode == VIEW_DIR_MODE) picture_show_next();
else if (view_mode == VIEW_FN_LIST_MODE)
{
picture_fn_list_current ++;
if (picture_fn_list_current == picture_fn_list_size)
{
picture_fn_list_current = 0;
}
strcpy(current_fn, picture_fn_list[picture_fn_list_current]);
rtgui_widget_update(RTGUI_WIDGET(picture_view));
}
break;
case RTGUIK_LEFT:
if (view_mode == VIEW_DIR_MODE) picture_show_prev();
else if (view_mode == VIEW_FN_LIST_MODE)
{
if (picture_fn_list_current == 0)
{
picture_fn_list_current = picture_fn_list_size - 1;
}
else picture_fn_list_current --;
strcpy(current_fn, picture_fn_list[picture_fn_list_current]);
rtgui_widget_update(RTGUI_WIDGET(picture_view));
}
break;
case RTGUIK_RETURN:
{
rtgui_view_t* view;
view = RTGUI_VIEW(widget);
/* close this view */
current_fn[0] = '\0';
/* end of modal */
rtgui_view_end_modal(view, RTGUI_MODAL_OK);
picture_view = RT_NULL;
}
break;
}
}
return RT_FALSE;
}
return rtgui_view_event_handler(widget, event);
}
