rt_bool_t rtgui_button_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
{
struct rtgui_button* btn;
RT_ASSERT(widget != RT_NULL);
btn = (struct rtgui_button*) widget;
switch (event->type)
{
case RTGUI_EVENT_PAINT:
rtgui_theme_draw_button(btn);
break;
case RTGUI_EVENT_KBD:
{
struct rtgui_event_kbd* ekbd = (struct rtgui_event_kbd*) event;
if (RTGUI_WIDGET_IS_HIDE(widget)) return RT_FALSE;
if ((ekbd->key == RTGUIK_RETURN) || (ekbd->key == RTGUIK_SPACE))
{
if (RTGUI_KBD_IS_DOWN(ekbd))
{
btn->flag |= RTGUI_BUTTON_FLAG_PRESS;
}
else
{
btn->flag &= ~RTGUI_BUTTON_FLAG_PRESS;
}
/* draw button */
rtgui_theme_draw_button(btn);
if ((btn->flag & RTGUI_BUTTON_FLAG_PRESS) && (btn->on_button != RT_NULL))
{
/* call on button handler */
btn->on_button(widget, event);
}
}
}
break;
case RTGUI_EVENT_MOUSE_BUTTON:
if (RTGUI_WIDGET_IS_HIDE(widget)) return RT_FALSE;
{
struct rtgui_event_mouse* emouse = (struct rtgui_event_mouse*)event;
/* it's not this widget event, clean status */
if (rtgui_rect_contains_point(&(RTGUI_WIDGET(btn)->extent),
emouse->x, emouse->y) != RT_EOK)
{
btn->flag &= ~RTGUI_BUTTON_FLAG_PRESS;
/* draw button */
rtgui_theme_draw_button(btn);
break;
}
if (btn->flag & RTGUI_BUTTON_TYPE_PUSH)
{
/* it's a push button */
if (emouse->button & RTGUI_MOUSE_BUTTON_UP)
{
if (btn->flag & RTGUI_BUTTON_FLAG_PRESS)
{
btn->flag &= ~RTGUI_BUTTON_FLAG_PRESS;
}
else
{
btn->flag |= RTGUI_BUTTON_FLAG_PRESS;
}
/* draw button */
rtgui_theme_draw_button(btn);
if (btn->on_button != RT_NULL)
{
/* call on button handler */
btn->on_button(widget, event);
}
#ifndef RTGUI_USING_SMALL_SIZE
/* invokes call back */
if (widget->on_mouseclick != RT_NULL &&
emouse->button & RTGUI_MOUSE_BUTTON_UP)
return widget->on_mouseclick(widget, event);
#endif
}
}
else
{
if (emouse->button & RTGUI_MOUSE_BUTTON_LEFT)
{
/* set the last mouse event handled widget */
rtgui_toplevel_t* toplevel;
toplevel = RTGUI_TOPLEVEL(RTGUI_WIDGET(btn)->toplevel);
toplevel->last_mevent_widget = RTGUI_WIDGET(btn);
/* it's a normal button */
if (emouse->button & RTGUI_MOUSE_BUTTON_DOWN)
{
btn->flag |= RTGUI_BUTTON_FLAG_PRESS;
}
else
{
btn->flag &= ~RTGUI_BUTTON_FLAG_PRESS;
}
/* draw button */
rtgui_theme_draw_button(btn);
#ifndef RTGUI_USING_SMALL_SIZE
/* invokes call back */
if (widget->on_mouseclick != RT_NULL &&
emouse->button & RTGUI_MOUSE_BUTTON_UP)
return widget->on_mouseclick(widget, event);
#endif
if (!(btn->flag & RTGUI_BUTTON_FLAG_PRESS) && (btn->on_button != RT_NULL))
{
/* call on button handler */
btn->on_button(widget, event);
}
}
}
return RT_TRUE;
}
}
return RT_FALSE;
}
rt_bool_t rtgui_fileview_event_handler(pvoid wdt, rtgui_event_t* event)
{
rtgui_widget_t *widget = RTGUI_WIDGET(wdt);
rtgui_fileview_t* fview = RTGUI_FILEVIEW(wdt);
switch(event->type)
{
case RTGUI_EVENT_PAINT:
rtgui_fileview_ondraw(fview);
return RT_FALSE;
case RTGUI_EVENT_MOUSE_BUTTON:
{
rtgui_rect_t rect;
struct rtgui_event_mouse* emouse;
emouse = (struct rtgui_event_mouse*)event;
rtgui_widget_focus(fview);
/* get physical extent information */
rtgui_widget_get_rect(fview, &rect);
rtgui_widget_rect_to_device(fview, &rect);
if(fview->sbar && !RTGUI_WIDGET_IS_HIDE(fview->sbar))
rect.x2 -= RC_W(fview->sbar->parent.extent);
if((rtgui_rect_contains_point(&rect, emouse->x, emouse->y) == RT_EOK) && fview->item_count>0)
{
rt_uint16_t i;
/* set focus */
rtgui_widget_focus(fview);
i = (emouse->y - rect.y1) / (2 + RTGUI_SEL_H);
if((i < fview->item_count) && (i < fview->item_per_page))
{
if(emouse->button & RTGUI_MOUSE_BUTTON_DOWN)
{
fview->old_item = fview->now_item;
fview->now_item = fview->first_item + i;
rtgui_fileview_update_current(fview);
}
else if(emouse->button & RTGUI_MOUSE_BUTTON_UP)
{
if(fview->now_item==fview->old_item) return RT_FALSE;
rtgui_fileview_update_current(fview);
}
if(fview->sbar && !RTGUI_WIDGET_IS_HIDE(fview))
{
if(!RTGUI_WIDGET_IS_HIDE(fview->sbar))
rtgui_scrollbar_set_value(fview->sbar,fview->first_item);
}
}
}
rtgui_container_dispatch_mouse_event(fview, emouse);
return RT_TRUE;
}
case RTGUI_EVENT_KBD:
{
struct rtgui_event_kbd *ekbd = (struct rtgui_event_kbd*)event;
if(RTGUI_KBD_IS_DOWN(ekbd))
{
switch(ekbd->key)
{
case RTGUIK_UP:
if(fview->now_item > 0)
{
fview->old_item = fview->now_item;
fview->now_item --;
if(fview->now_item < fview->first_item)
{
/* turn up page */
fview->first_item = fview->now_item;
rtgui_fileview_ondraw(fview);
}
else
{
/* current page */
rtgui_fileview_update_current(fview);
}
if(fview->sbar && !RTGUI_WIDGET_IS_HIDE(fview))
{
if(!RTGUI_WIDGET_IS_HIDE(fview->sbar))
rtgui_scrollbar_set_value(fview->sbar,fview->first_item);
}
}
return RT_TRUE;
case RTGUIK_DOWN:
if(fview->now_item < fview->item_count-1)
{
fview->old_item = fview->now_item;
fview->now_item ++;
if(fview->now_item >= fview->first_item+fview->item_per_page)
{
/* turn down page */
fview->first_item++;
rtgui_fileview_ondraw(fview);
}
else
{
/* in current page */
rtgui_fileview_update_current(fview);
}
if(fview->sbar && !RTGUI_WIDGET_IS_HIDE(fview))
{
if(!RTGUI_WIDGET_IS_HIDE(fview->sbar))
rtgui_scrollbar_set_value(fview->sbar,fview->first_item);
}
}
return RT_TRUE;
case RTGUIK_LEFT:
if(fview->item_count==0)return RT_FALSE;
fview->old_item = fview->now_item;
fview->now_item -= fview->item_per_page;
if(fview->now_item < 0)
fview->now_item = 0;
if(fview->now_item < fview->first_item)
{
fview->first_item = fview->now_item;
rtgui_fileview_ondraw(fview);
}
else
{
rtgui_fileview_update_current(fview);
}
if(fview->sbar && !RTGUI_WIDGET_IS_HIDE(fview))
{
if(!RTGUI_WIDGET_IS_HIDE(fview->sbar))
rtgui_scrollbar_set_value(fview->sbar,fview->first_item);
}
return RT_TRUE;
case RTGUIK_RIGHT:
if(fview->item_count==0)return RT_FALSE;
fview->old_item = fview->now_item;
fview->now_item += fview->item_per_page;
if(fview->now_item > fview->item_count-1)
fview->now_item = fview->item_count-1;
if(fview->now_item >= fview->first_item+fview->item_per_page)
{
fview->first_item += fview->item_per_page;
if(fview->first_item >fview->item_count-fview->item_per_page)
{
fview->first_item = fview->item_count-fview->item_per_page;
fview->now_item = fview->first_item;
}
rtgui_fileview_ondraw(fview);
}
else
{
rtgui_fileview_update_current(fview);
}
if(fview->sbar && !RTGUI_WIDGET_IS_HIDE(fview))
{
if(!RTGUI_WIDGET_IS_HIDE(fview->sbar))
rtgui_scrollbar_set_value(fview->sbar,fview->first_item);
}
return RT_TRUE;
case RTGUIK_RETURN:
rtgui_fileview_on_enter(fview, event);
return RT_TRUE;
case RTGUIK_BACKSPACE:
rtgui_fileview_goto_topfolder(fview);
return RT_TRUE;
default:
break;
}
}
}
return RT_FALSE;
default:
return rtgui_container_event_handler(widget, event);
}
}