diff options
Diffstat (limited to 'components/rtgui/widgets/container.c')
| -rw-r--r-- | components/rtgui/widgets/container.c | 323 |
1 files changed, 0 insertions, 323 deletions
diff --git a/components/rtgui/widgets/container.c b/components/rtgui/widgets/container.c deleted file mode 100644 index 7014102cd2..0000000000 --- a/components/rtgui/widgets/container.c +++ /dev/null @@ -1,323 +0,0 @@ -/* - * File : container.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 - * 2010-09-24 Bernard fix container destroy issue - */ -#include <rtgui/dc.h> -#include <rtgui/rtgui_system.h> -#include <rtgui/rtgui_app.h> -#include <rtgui/widgets/container.h> -#include <rtgui/widgets/window.h> - -static void _rtgui_container_constructor(rtgui_container_t *container) -{ - /* init container */ - rtgui_object_set_event_handler(RTGUI_OBJECT(container), - rtgui_container_event_handler); - - rtgui_list_init(&(container->children)); - container->layout_box = RT_NULL; - - RTGUI_WIDGET(container)->flag |= RTGUI_WIDGET_FLAG_FOCUSABLE; -} - -static void _rtgui_container_destructor(rtgui_container_t *container) -{ - rtgui_container_destroy_children(container); - - if (container->layout_box != RT_NULL) - rtgui_object_destroy(RTGUI_OBJECT(container->layout_box)); -} - -DEFINE_CLASS_TYPE(container, "container", - RTGUI_WIDGET_TYPE, - _rtgui_container_constructor, - _rtgui_container_destructor, - sizeof(struct rtgui_container)); -RTM_EXPORT(_rtgui_container); - -rt_bool_t rtgui_container_dispatch_event(rtgui_container_t *container, rtgui_event_t *event) -{ - /* handle in child widget */ - struct rtgui_list_node *node; - - rtgui_list_foreach(node, &(container->children)) - { - struct rtgui_widget *w; - w = rtgui_list_entry(node, struct rtgui_widget, sibling); - - if (RTGUI_OBJECT(w)->event_handler && - RTGUI_OBJECT(w)->event_handler(RTGUI_OBJECT(w), event) == RT_TRUE) - return RT_TRUE; - } - - return RT_FALSE; -} -RTM_EXPORT(rtgui_container_dispatch_event); - -/* broadcast means that the return value of event handlers will be ignored. The - * events will always reach every child.*/ -rt_bool_t rtgui_container_broadcast_event(struct rtgui_container *container, struct rtgui_event *event) -{ - struct rtgui_list_node *node; - - rtgui_list_foreach(node, &(container->children)) - { - struct rtgui_widget *w; - w = rtgui_list_entry(node, struct rtgui_widget, sibling); - - if (RTGUI_OBJECT(w)->event_handler) - RTGUI_OBJECT(w)->event_handler(RTGUI_OBJECT(w), event); - } - - return RT_FALSE; -} -RTM_EXPORT(rtgui_container_broadcast_event); - -rt_bool_t rtgui_container_dispatch_mouse_event(rtgui_container_t *container, struct rtgui_event_mouse *event) -{ - /* handle in child widget */ - struct rtgui_list_node *node; - struct rtgui_widget *old_focus; - - old_focus = RTGUI_WIDGET(container)->toplevel->focused_widget; - - rtgui_list_foreach(node, &(container->children)) - { - struct rtgui_widget *w; - w = rtgui_list_entry(node, struct rtgui_widget, sibling); - if (rtgui_rect_contains_point(&(w->extent), - event->x, event->y) == RT_EOK) - { - if ((old_focus != w) && RTGUI_WIDGET_IS_FOCUSABLE(w)) - rtgui_widget_focus(w); - if (RTGUI_OBJECT(w)->event_handler && - RTGUI_OBJECT(w)->event_handler(RTGUI_OBJECT(w), - (rtgui_event_t *)event) == RT_TRUE) - return RT_TRUE; - } - } - - return RT_FALSE; -} -RTM_EXPORT(rtgui_container_dispatch_mouse_event); - -rt_bool_t rtgui_container_event_handler(struct rtgui_object *object, struct rtgui_event *event) -{ - struct rtgui_container *container; - struct rtgui_widget *widget; - - RT_ASSERT(object != RT_NULL); - RT_ASSERT(event != RT_NULL); - - container = RTGUI_CONTAINER(object); - widget = RTGUI_WIDGET(object); - - switch (event->type) - { - case RTGUI_EVENT_PAINT: - { - struct rtgui_dc *dc; - struct rtgui_rect rect; - - dc = rtgui_dc_begin_drawing(widget); - if (dc == RT_NULL) - return RT_FALSE; - rtgui_widget_get_rect(widget, &rect); - - /* fill container with background */ - rtgui_dc_fill_rect(dc, &rect); - - /* paint on each child */ - rtgui_container_dispatch_event(container, event); - - rtgui_dc_end_drawing(dc); - } - break; - - case RTGUI_EVENT_KBD: - break; - - case RTGUI_EVENT_MOUSE_BUTTON: - case RTGUI_EVENT_MOUSE_MOTION: - /* handle in child widget */ - return rtgui_container_dispatch_mouse_event(container, - (struct rtgui_event_mouse *)event); - - case RTGUI_EVENT_SHOW: - rtgui_widget_onshow(RTGUI_OBJECT(container), event); - rtgui_container_dispatch_event(container, event); - break; - case RTGUI_EVENT_HIDE: - rtgui_widget_onhide(RTGUI_OBJECT(container), event); - rtgui_container_dispatch_event(container, event); - break; - case RTGUI_EVENT_COMMAND: - rtgui_container_dispatch_event(container, event); - break; - - case RTGUI_EVENT_UPDATE_TOPLVL: - /* call parent handler */ - rtgui_widget_onupdate_toplvl(object, event); - /* update the children */ - rtgui_container_broadcast_event(container, event); - break; - - case RTGUI_EVENT_RESIZE: - /* re-layout container */ - rtgui_container_layout(container); - break; - - default: - /* call parent widget event handler */ - return rtgui_widget_event_handler(RTGUI_OBJECT(widget), event); - } - - return RT_FALSE; -} -RTM_EXPORT(rtgui_container_event_handler); - -rtgui_container_t *rtgui_container_create(void) -{ - struct rtgui_container *container; - - /* allocate container */ - container = (struct rtgui_container *) rtgui_widget_create(RTGUI_CONTAINER_TYPE); - return container; -} -RTM_EXPORT(rtgui_container_create); - -void rtgui_container_destroy(rtgui_container_t *container) -{ - rtgui_widget_destroy(RTGUI_WIDGET(container)); -} -RTM_EXPORT(rtgui_container_destroy); - -/* - * This function will add a child to a container 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(rtgui_container_t *container, rtgui_widget_t *child) -{ - RT_ASSERT(container != RT_NULL); - RT_ASSERT(child != RT_NULL); - - /* set parent and toplevel widget */ - child->parent = RTGUI_WIDGET(container); - /* put widget to parent's children list */ - rtgui_list_append(&(container->children), &(child->sibling)); - - /* update children toplevel */ - if (RTGUI_WIDGET(container)->toplevel != RT_NULL && - RTGUI_IS_WIN(RTGUI_WIDGET(container)->toplevel)) - { - struct rtgui_event_update_toplvl eup; - RTGUI_EVENT_UPDATE_TOPLVL_INIT(&eup); - eup.toplvl = RTGUI_WIDGET(container)->toplevel; - rtgui_container_broadcast_event(container, (struct rtgui_event *)&eup); - } -} -RTM_EXPORT(rtgui_container_add_child); - -/* remove a child to widget */ -void rtgui_container_remove_child(rtgui_container_t *container, rtgui_widget_t *child) -{ - RT_ASSERT(container != RT_NULL); - RT_ASSERT(child != RT_NULL); - - rtgui_widget_unfocus(child); - - /* remove widget from parent's children list */ - rtgui_list_remove(&(container->children), &(child->sibling)); - - /* set parent and toplevel widget */ - child->parent = RT_NULL; - child->toplevel = RT_NULL; -} -RTM_EXPORT(rtgui_container_remove_child); - -/* destroy all children of container */ -void rtgui_container_destroy_children(rtgui_container_t *container) -{ - struct rtgui_list_node *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 children of child */ - rtgui_container_destroy_children(RTGUI_CONTAINER(child)); - } - - /* remove widget from parent's children list */ - rtgui_list_remove(&(container->children), &(child->sibling)); - - /* set parent and toplevel widget */ - child->parent = RT_NULL; - - /* destroy object and remove from parent */ - rtgui_object_destroy(RTGUI_OBJECT(child)); - - node = container->children.next; - } - - container->children.next = RT_NULL; - - /* update widget clip */ - rtgui_win_update_clip(RTGUI_WIN(RTGUI_WIDGET(container)->toplevel)); -} -RTM_EXPORT(rtgui_container_destroy_children); - -rtgui_widget_t *rtgui_container_get_first_child(rtgui_container_t *container) -{ - rtgui_widget_t *child = RT_NULL; - - RT_ASSERT(container != RT_NULL); - - if (container->children.next != RT_NULL) - { - child = rtgui_list_entry(container->children.next, rtgui_widget_t, sibling); - } - - return child; -} -RTM_EXPORT(rtgui_container_get_first_child); - -void rtgui_container_set_box(rtgui_container_t *container, struct rtgui_box *box) -{ - if (container == RT_NULL || box == RT_NULL) - return; - - container->layout_box = box; - box->container = container; -} -RTM_EXPORT(rtgui_container_set_box); - -void rtgui_container_layout(struct rtgui_container *container) -{ - if (container == RT_NULL || container->layout_box == RT_NULL) - return; - - rtgui_box_layout(container->layout_box); -} -RTM_EXPORT(rtgui_container_layout); - |