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); }