void Widget_UpdateVisibility(LCUI_Widget w)
{
LCUI_Style s = &w->style->sheet[key_visibility];
LCUI_BOOL visible = w->computed_style.visible;
if (w->computed_style.display == SV_NONE) {
w->computed_style.visible = FALSE;
} else if (s->is_valid && s->type == LCUI_STYPE_STRING &&
strcmp(s->val_string, "hidden") == 0) {
w->computed_style.visible = FALSE;
} else {
w->computed_style.visible = TRUE;
}
if (visible == w->computed_style.visible) {
return;
}
if (w->parent) {
Widget_InvalidateArea(w, NULL, SV_GRAPH_BOX);
}
visible = w->computed_style.visible;
if (visible) {
Widget_PostSurfaceEvent(w, LCUI_WEVENT_SHOW, TRUE);
} else {
Widget_PostSurfaceEvent(w, LCUI_WEVENT_HIDE, TRUE);
}
}
static void Widget_AddToTrash(LCUI_Widget w)
{
w->state = LCUI_WSTATE_DELETED;
if (Widget_Unlink(w) != 0) {
return;
}
LinkedList_AppendNode(&LCUIWidget.trash, &w->node);
Widget_PostSurfaceEvent(w, LCUI_WEVENT_UNLINK, TRUE);
}
static void Widget_SendResizeEvent(LCUI_Widget w)
{
LCUI_WidgetEventRec e;
e.target = w;
e.data = NULL;
e.type = LCUI_WEVENT_RESIZE;
e.cancel_bubble = TRUE;
Widget_TriggerEvent(w, &e, NULL);
Widget_AddTask(w, LCUI_WTASK_REFRESH);
Widget_PostSurfaceEvent(w, LCUI_WEVENT_RESIZE, FALSE);
}
void Widget_AddToTrash( LCUI_Widget w )
{
LCUI_WidgetEventRec e = { 0 };
e.type = WET_REMOVE;
w->state = WSTATE_DELETED;
Widget_TriggerEvent( w, &e, NULL );
if( !w->parent ) {
return;
}
LinkedList_Unlink( &w->parent->children, &w->node );
LinkedList_Unlink( &w->parent->children_show, &w->node_show );
LinkedList_AppendNode( &self.trash, &w->node );
Widget_PostSurfaceEvent( w, WET_REMOVE, TRUE );
}
static void HandleSetTitle(LCUI_Widget w)
{
Widget_PostSurfaceEvent(w, LCUI_WEVENT_TITLE, TRUE);
}
static void HandleSetTitle( LCUI_Widget w )
{
Widget_PostSurfaceEvent( w, WET_TITLE );
}
void Widget_UpdatePosition(LCUI_Widget w)
{
LCUI_RectF rect;
int position = ComputeStyleOption(w, key_position, SV_STATIC);
int valign = ComputeStyleOption(w, key_vertical_align, SV_TOP);
w->computed_style.vertical_align = valign;
w->computed_style.left = ComputeXMetric(w, key_left);
w->computed_style.right = ComputeXMetric(w, key_right);
w->computed_style.top = ComputeYMetric(w, key_top);
w->computed_style.bottom = ComputeYMetric(w, key_bottom);
if (w->parent && w->computed_style.position != position) {
w->computed_style.position = position;
Widget_UpdateLayout(w->parent);
Widget_ClearComputedSize(w);
Widget_UpdateChildrenSize(w);
/* 当部件尺寸是按百分比动态计算的时候需要重新计算尺寸 */
if (Widget_CheckStyleType(w, key_width, scale) ||
Widget_CheckStyleType(w, key_height, scale)) {
Widget_UpdateSize(w);
}
}
w->computed_style.position = position;
Widget_UpdateZIndex(w);
rect = w->box.canvas;
w->x = w->origin_x;
w->y = w->origin_y;
switch (position) {
case SV_ABSOLUTE:
w->x = w->y = 0;
if (!Widget_HasAutoStyle(w, key_left)) {
w->x = w->computed_style.left;
} else if (!Widget_HasAutoStyle(w, key_right)) {
if (w->parent) {
w->x = w->parent->box.border.width;
w->x -= w->width;
}
w->x -= w->computed_style.right;
}
if (!Widget_HasAutoStyle(w, key_top)) {
w->y = w->computed_style.top;
} else if (!Widget_HasAutoStyle(w, key_bottom)) {
if (w->parent) {
w->y = w->parent->box.border.height;
w->y -= w->height;
}
w->y -= w->computed_style.bottom;
}
break;
case SV_RELATIVE:
if (!Widget_HasAutoStyle(w, key_left)) {
w->x += w->computed_style.left;
} else if (!Widget_HasAutoStyle(w, key_right)) {
w->x -= w->computed_style.right;
}
if (!Widget_HasAutoStyle(w, key_top)) {
w->y += w->computed_style.top;
} else if (!Widget_HasAutoStyle(w, key_bottom)) {
w->y -= w->computed_style.bottom;
}
default:
if (w->parent) {
w->x += w->parent->padding.left;
w->y += w->parent->padding.top;
}
break;
}
switch (valign) {
case SV_MIDDLE:
if (!w->parent) {
break;
}
w->y += (w->parent->box.content.height - w->height) / 2;
break;
case SV_BOTTOM:
if (!w->parent) {
break;
}
w->y += w->parent->box.content.height - w->height;
case SV_TOP:
default:
break;
}
w->box.outer.x = w->x;
w->box.outer.y = w->y;
w->x += w->margin.left;
w->y += w->margin.top;
/* 以x、y为基础 */
w->box.padding.x = w->x;
w->box.padding.y = w->y;
w->box.border.x = w->x;
w->box.border.y = w->y;
w->box.canvas.x = w->x;
w->box.canvas.y = w->y;
/* 计算各个框的坐标 */
w->box.padding.x += w->computed_style.border.left.width;
w->box.padding.y += w->computed_style.border.top.width;
w->box.content.x = w->box.padding.x + w->padding.left;
w->box.content.y = w->box.padding.y + w->padding.top;
w->box.canvas.x -= Widget_GetBoxShadowOffsetX(w);
w->box.canvas.y -= Widget_GetBoxShadowOffsetY(w);
if (w->parent) {
/* 标记移动前后的区域 */
Widget_InvalidateArea(w, NULL, SV_GRAPH_BOX);
Widget_InvalidateArea(w->parent, &rect, SV_PADDING_BOX);
}
/* 检测是否为顶级部件并做相应处理 */
Widget_PostSurfaceEvent(w, LCUI_WEVENT_MOVE, TRUE);
}
void Widget_UpdateSizeWithSurface(LCUI_Widget w)
{
Widget_UpdateSize(w);
Widget_PostSurfaceEvent(w, LCUI_WEVENT_RESIZE, TRUE);
}
