diff options
Diffstat (limited to 'components/rtgui_win/widgets/container.c')
| -rw-r--r-- | components/rtgui_win/widgets/container.c | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/components/rtgui_win/widgets/container.c b/components/rtgui_win/widgets/container.c new file mode 100644 index 0000000000..61f65a9cd3 --- /dev/null +++ b/components/rtgui_win/widgets/container.c @@ -0,0 +1,321 @@ +/* + * File : box.c + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rt-thread.org/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2009-10-16 Bernard first version + */ + +#include <rtgui/widgets/container.h>
+#include <rtgui/widgets/window.h> + +static void _rtgui_container_constructor(rtgui_container_t *container) +{ + /* set event handler and init field */ + rtgui_widget_set_event_handler(container, rtgui_container_event_handler); + rtgui_list_init(&(container->children));
+ + /* set focused widget to itself */ + container->focused = RTGUI_WIDGET(container); + /* set box as focusable widget */ + RTGUI_WIDGET_FLAG(container) |= RTGUI_WIDGET_FLAG_FOCUSABLE; +} + +static void _rtgui_container_destructor(rtgui_container_t *container) +{ + /* destroy child of box */ + rtgui_container_destroy_children(container); +} + +static void _rtgui_container_update_toplevel(rtgui_container_t* container) +{ + rtgui_list_t* node; + + rtgui_list_foreach(node, &(container->children)) + { + rtgui_widget_t* child = rtgui_list_entry(node, rtgui_widget_t, sibling); + /* set child top */ + child->toplevel = RTGUI_WIDGET(rtgui_widget_get_toplevel(container)); + + if(RTGUI_IS_CONTAINER(child)) + { + _rtgui_container_update_toplevel(RTGUI_CONTAINER(child)); + } + } +} + +rtgui_type_t *rtgui_container_type_get(void) +{ + static rtgui_type_t *container_type = RT_NULL; + + if(!container_type) + { + container_type = rtgui_type_create("container", RTGUI_WIDGET_TYPE, + sizeof(rtgui_container_t), + RTGUI_CONSTRUCTOR(_rtgui_container_constructor), + RTGUI_DESTRUCTOR(_rtgui_container_destructor)); + } + + return container_type; +} + +rt_bool_t rtgui_container_dispatch_event(rtgui_container_t *container, rtgui_event_t* event) +{ + /* handle in child widget */ + rtgui_list_t* node; + + rtgui_list_foreach(node, &(container->children)) + { + rtgui_widget_t* w; + w = rtgui_list_entry(node, rtgui_widget_t, sibling); + if(RTGUI_WIDGET_IS_HIDE(w)) continue; //�ؼ������ص�������
+ //if(RTGUI_IS_WIN(w)) continue;
+ if(RTGUI_WIDGET_EVENT_HANDLE(w) != RT_NULL) + RTGUI_WIDGET_EVENT_CALL(w, event); + } + + return RT_FALSE; +} + +rt_bool_t rtgui_container_dispatch_mouse_event(rtgui_container_t *container, rtgui_event_mouse_t* event) +{ + /* handle in child widget */ + rtgui_list_t* node; + rtgui_widget_t *focus; + + /* get focus widget on toplevel */ + focus = RTGUI_CONTAINER(RTGUI_WIDGET(container)->toplevel)->focused; + rtgui_list_foreach(node, &(container->children)) + { + rtgui_widget_t* w; + w = rtgui_list_entry(node, rtgui_widget_t, sibling);
+ if(RTGUI_WIDGET_IS_HIDE(w))continue;//���صĿؼ�������
+ + if(rtgui_rect_contains_point(&(w->extent), event->x, event->y) == RT_EOK) + {//����ǰ����ij���ؼ���
+ if ((focus != w) && RTGUI_WIDGET_IS_FOCUSABLE(w)) + rtgui_widget_focus(w);
+ if(RTGUI_WIDGET_EVENT_HANDLE(w) != RT_NULL)
+ return RTGUI_WIDGET_EVENT_CALL(w,(rtgui_event_t*)event); + } + } + + return RT_FALSE; +} + +rt_bool_t rtgui_container_event_handler(PVOID wdt, rtgui_event_t* event) +{
+ rtgui_widget_t *widget = (rtgui_widget_t*)wdt; + rtgui_container_t *container = RTGUI_CONTAINER(widget); + + switch (event->type) + { + case RTGUI_EVENT_KBD: + if(widget->on_key != RT_NULL) + { + return widget->on_key(widget, event); + } + else + { + /* let parent to handle keyboard event */ + if(widget->parent != RT_NULL && widget->parent != widget->toplevel) + { + if(RTGUI_WIDGET_EVENT_HANDLE(widget->parent) != RT_NULL)
+ return RTGUI_WIDGET_EVENT_CALL(widget->parent, event); + } + } + break; + + case RTGUI_EVENT_MOUSE_BUTTON: + /* handle in child widget */ + if(rtgui_container_dispatch_mouse_event(container,(rtgui_event_mouse_t*)event) == RT_FALSE) + { + /* handle event in current widget */ + if(widget->on_mouseclick != RT_NULL) + { + return widget->on_mouseclick(widget, event); + } + } + else return RT_TRUE; + break; + + case RTGUI_EVENT_MOUSE_MOTION: + if(rtgui_container_dispatch_mouse_event(container,(rtgui_event_mouse_t*)event) == RT_FALSE) + { + #if 0 + /* handle event in current widget */ + if(widget->on_mousemotion != RT_NULL) + { + return widget->on_mousemotion(widget, event); + } + #endif + } + else
+ return RT_TRUE; + break;
+ + case RTGUI_EVENT_TIMER:
+ {
+ rtgui_timer_t* timer;
+ rtgui_event_timer_t* etimer = (rtgui_event_timer_t*) event;
+
+ timer = etimer->timer;
+ if(timer->timeout != RT_NULL)
+ {
+ /* call timeout function */
+ timer->timeout(timer, timer->user_data);
+ }
+ }
+ break;
+ + case RTGUI_EVENT_COMMAND: + if(rtgui_container_dispatch_event(container, event) == RT_FALSE) + { + if(widget->on_command != RT_NULL) + { + return widget->on_command(widget, event); + } + } + else
+ return RT_TRUE; + break; + + case RTGUI_EVENT_RESIZE: + if(rtgui_container_dispatch_event(container, event) == RT_FALSE) + { + if(widget->on_size != RT_NULL) + return widget->on_size(widget, event); + } + else return RT_TRUE; + break; + + default: + /* call parent widget event handler */ + return rtgui_widget_event_handler(widget, event); + } + + return RT_FALSE; +} + +/* + * This function will add a child to a box widget + * Note: this function will not change the widget layout + * the layout is the responsibility of layout widget, such as box. + */ +void rtgui_container_add_child(PVOID cbox, PVOID wdt) +{ + rtgui_container_t *container = (rtgui_container_t*)cbox;
+ rtgui_widget_t* child = (rtgui_widget_t*)wdt;
+
+ RT_ASSERT(container != RT_NULL); + RT_ASSERT(child != RT_NULL);
+ RT_ASSERT(RTGUI_IS_CONTAINER(container));
+ + /* set parent and toplevel widget */ + child->parent = RTGUI_WIDGET(container); + /* put widget to parent's child list */ + rtgui_list_append(&(container->children), &(child->sibling)); + + /* update child toplevel */ + if(RTGUI_WIDGET(container)->toplevel != RT_NULL && RTGUI_IS_CONTAINER(RTGUI_WIDGET(container)->toplevel)) + { + child->toplevel = RTGUI_WIDGET(rtgui_widget_get_toplevel(container)); + + /* update all child toplevel */ + if(RTGUI_IS_CONTAINER(child)) + { + _rtgui_container_update_toplevel(RTGUI_CONTAINER(child)); + } + }
+
+ rtgui_widget_update_clip(child); +} + +/* remove a child to widget */ +void rtgui_container_remove_child(rtgui_container_t *container, PVOID wdt) +{
+ rtgui_widget_t *child = (rtgui_widget_t*)wdt;
+
+ RT_ASSERT(container != RT_NULL); + RT_ASSERT(child != RT_NULL);
+ + if(child == container->focused) + { + /* set focused to itself */ + container->focused = RTGUI_WIDGET(container); + + rtgui_widget_focus(container); + } + + /* remove widget from parent's child list */ + rtgui_list_remove(&(container->children), &(child->sibling)); + + /* set parent and top widget */ + child->parent = RT_NULL; + child->toplevel = RT_NULL;
+ rtgui_widget_update_clip(container); +} + +/* destroy all child of box */ +void rtgui_container_destroy_children(rtgui_container_t *container) +{ + rtgui_list_t* node; + + if(container == RT_NULL) return; + + node = container->children.next; + while(node != RT_NULL) + { + rtgui_widget_t* child = rtgui_list_entry(node, rtgui_widget_t, sibling); + + if(RTGUI_IS_CONTAINER(child)) + { + /* break parent firstly */ + child->parent = RT_NULL; + + /* destroy child of child */ + rtgui_container_destroy_children(RTGUI_CONTAINER(child)); + } + + /* remove widget from parent's child list */ + rtgui_list_remove(&(container->children), &(child->sibling)); + + /* set parent and top widget */ + child->parent = RT_NULL; + + /* destroy object and remove from parent */ + rtgui_object_destroy(RTGUI_OBJECT(child)); + + //node = box->child.next;
+ node = node->next; + } + + container->children.next = RT_NULL; + container->focused = RTGUI_WIDGET(container); + if(RTGUI_WIDGET_PARENT(container) != RT_NULL) + rtgui_widget_focus(container); + + /* update widget clip */ + rtgui_widget_update_clip(RTGUI_WIDGET(container)->toplevel); +} + +rtgui_widget_t* rtgui_container_get_first_child(rtgui_container_t* container) +{ + rtgui_widget_t* child = RT_NULL; + + if(container->children.next != RT_NULL) + { + child = rtgui_list_entry(container->children.next, rtgui_widget_t, sibling); + } + + return child; +}
+
+
+ |