rt-thread/bsp/simulator/ui/apps_list.c

269 lines
7.1 KiB
C

#include "apps_list.h"
#include <rtgui/rtgui_app.h>
#include <rtgui/widgets/listctrl.h>
#include "xpm/exec.xpm"
#include "xpm/close.xpm"
/* application manager */
struct rtgui_application_item
{
struct rtgui_app* app;
};
static struct rtgui_application_item *app_items = RT_NULL;
static rt_uint16_t app_count = 0;
static struct rtgui_listctrl* app_list;
static struct rtgui_image* app_default_icon = RT_NULL;
static struct rtgui_image* app_close = RT_NULL;
static void _handle_app_create(struct rtgui_event_application* event)
{
rt_uint32_t index;
rt_int32_t status;
struct rtgui_app* app;
status = RTGUI_STATUS_OK;
for (index = 0; index < app_count; index ++)
{
app = (struct rtgui_app*)app_items[index].app;
if (app == event->app)
{
/* application is created already */
status = RTGUI_STATUS_ERROR;
goto __exit;
}
}
app_count += 1;
if (app_items == RT_NULL)
app_items = (struct rtgui_application_item*) rtgui_malloc(sizeof(struct rtgui_application_item));
else
app_items = (struct rtgui_application_item*) rtgui_realloc(app_items, sizeof(struct rtgui_application_item) * app_count);
if (app_items == RT_NULL)
{
status = RTGUI_STATUS_ERROR;
goto __exit;
}
app = event->app;
app_items[app_count - 1].app = app;
rtgui_listctrl_set_items(app_list, (rt_uint32_t)app_items, app_count);
__exit:
/* send ack to the application */
rtgui_ack(RTGUI_EVENT(event), status);
return;
}
static void _handle_app_destroy(struct rtgui_event_application* event)
{
rt_uint32_t index;
struct rtgui_app* app;
for (index = 0; index < app_count; index ++)
{
app = (struct rtgui_app*)app_items[index].app;
if (app == event->app)
{
/* remove this application */
app_count --;
if (app_count == 0)
{
rtgui_free(app_items);
app_items = RT_NULL;
}
else if (index == app_count)
{
app_items = rtgui_realloc(app_items, app_count * sizeof(struct rtgui_application_item));
}
else
{
rt_uint32_t j;
for (j = index; j < app_count; j ++)
{
app_items[j] = app_items[j + 1];
}
app_items = rtgui_realloc(app_items, app_count * sizeof(struct rtgui_application_item));
}
rtgui_listctrl_set_items(app_list, (rt_uint32_t)app_items, app_count);
rtgui_ack(RTGUI_EVENT(event), RTGUI_STATUS_OK);
return ;
}
}
/* send ack to the application */
rtgui_ack(RTGUI_EVENT(event), RTGUI_STATUS_ERROR);
return;
}
static rt_bool_t _handle_app_activate(struct rtgui_object* object, struct rtgui_event* event)
{
struct rtgui_application_item *item;
if (app_list->current_item == -1) return RT_TRUE;
item = &app_items[app_list->current_item];
rtgui_app_activate(item->app);
return RT_TRUE;
}
rt_bool_t apps_list_event_handler(struct rtgui_object* object, struct rtgui_event* event)
{
RT_ASSERT(object != RT_NULL);
RT_ASSERT(event != RT_NULL);
switch (event->type)
{
case RTGUI_EVENT_APP_CREATE:
_handle_app_create((struct rtgui_event_application*) event);
break;
case RTGUI_EVENT_APP_DESTROY:
_handle_app_destroy((struct rtgui_event_application*) event);
break;
}
return RT_TRUE;
}
static rt_bool_t apps_listctrl_event_handler(struct rtgui_object* object, struct rtgui_event* event)
{
struct rtgui_listctrl* ctrl;
ctrl = RTGUI_LISTCTRL(object);
if (event->type == RTGUI_EVENT_MOUSE_BUTTON)
{
struct rtgui_rect rect, close_rect;
struct rtgui_event_mouse* emouse;
emouse = (struct rtgui_event_mouse*)event;
if (emouse->button & RTGUI_MOUSE_BUTTON_UP)
{
/* get physical extent information */
rtgui_widget_get_extent(RTGUI_WIDGET(ctrl), &rect);
close_rect = rect;
close_rect.x1 = close_rect.x2 - 50;
if ((rtgui_rect_contains_point(&close_rect, emouse->x, emouse->y) == RT_EOK) &&
(ctrl->items_count > 0))
{
rt_uint16_t index;
index = (emouse->y - rect.y1) / (2 + ctrl->item_height);
if ((index < ctrl->page_items) &&
(ctrl->current_item/ctrl->page_items)* ctrl->page_items + index < ctrl->items_count)
{
rt_uint16_t cur_item;
/* get current item */
cur_item = (ctrl->current_item/ctrl->page_items) * ctrl->page_items + index;
if (cur_item == ctrl->current_item)
{
rt_kprintf("close app\n");
rtgui_app_close(app_items[ctrl->current_item].app);
return RT_TRUE;
}
}
}
}
}
return rtgui_listctrl_event_handler(object, event);
}
static void _app_info_draw(struct rtgui_listctrl *list, struct rtgui_dc* dc, rtgui_rect_t* rect, rt_uint16_t index)
{
struct rtgui_image *image;
rtgui_rect_t item_rect, image_rect;
struct rtgui_application_item *item, *items;
item_rect = *rect;
item_rect.x1 += 5;
/* draw item */
items = (struct rtgui_application_item*)list->items;
item = &items[index];
/* draw image */
if (item->app->icon != RT_NULL) image = item->app->icon;
else image = app_default_icon;
if (image != RT_NULL)
{
image_rect.x1 = image_rect.y1 = 0;
image_rect.x2 = app_default_icon->w;
image_rect.y2 = app_default_icon->h;
rtgui_rect_moveto_align(&item_rect, &image_rect, RTGUI_ALIGN_CENTER_VERTICAL);
rtgui_image_blit(image, dc, &image_rect);
}
item_rect.x1 += app_default_icon->w + RTGUI_WIDGET_DEFAULT_MARGIN;
/* draw text */
rtgui_dc_draw_text(dc, (const char*)item->app->name, &item_rect); item_rect.x1 += 60;
if (list->current_item == index)
{
/* draw close button */
image_rect.x1 = image_rect.y1 = 0;
image_rect.x2 = app_close->w;
image_rect.y2 = app_close->h;
item_rect.x1 = item_rect.x2 - 50;
rtgui_rect_moveto_align(&item_rect, &image_rect, RTGUI_ALIGN_CENTER_VERTICAL);
rtgui_image_blit(app_close, dc, &image_rect);
}
}
struct rtgui_panel* apps_list_create(struct rtgui_panel* panel)
{
struct rtgui_rect rect;
RT_ASSERT(panel != RT_NULL);
if (app_default_icon == RT_NULL)
{
app_default_icon = rtgui_image_create_from_mem("xpm", (const rt_uint8_t*)exec_xpm, sizeof(exec_xpm), RT_FALSE);
}
if (app_close == RT_NULL)
{
app_close = rtgui_image_create_from_mem("xpm", (const rt_uint8_t *)close_xpm, sizeof(close_xpm), RT_FALSE);
}
rtgui_widget_get_extent(RTGUI_WIDGET(panel), &rect);
/* create application list */
rtgui_rect_inflate(&rect, -15);
app_list = rtgui_listctrl_create((rt_uint32_t)app_items, app_count, &rect, _app_info_draw);
rtgui_listctrl_set_itemheight(app_list, app_default_icon->h + 2);
rtgui_listctrl_set_onitem(app_list, _handle_app_activate);
rtgui_object_set_event_handler(RTGUI_OBJECT(app_list), apps_listctrl_event_handler);
rtgui_container_add_child(RTGUI_CONTAINER(panel), RTGUI_WIDGET(app_list));
return RTGUI_PANEL(panel);
}
#ifdef RT_USING_FINSH
#include <finsh.h>
void list_apps(void)
{
rt_uint32_t index;
struct rtgui_app* app;
rt_kprintf("GUI Applications:\n");
rt_kprintf("=================\n");
for (index = 0; index < app_count; index ++)
{
app = (struct rtgui_app*) app_items[index].app;
rt_kprintf("%s\n", app->name);
}
}
FINSH_FUNCTION_EXPORT(list_apps,show the application list);
#endif