void WGraphicsPolygonItem::mousePressEvent(WGraphicsSceneMouseEvent* event)
{
if (event->button() == Ws::LeftButton)
{
bool contain = contains(event->scenePos());
if (isSelectable() && !isSelected() && contain) //not selected ---> selected
{
_select_flag = SF_CONTENT;
setSelected();
scene()->update(boundingRect());
event->widget()->setCursor(WCursor(getCursorShape(_select_flag)));
scene()->itemChange(WGraphicsChange(WGraphicsChange::Selected, this));
}
else if (isSelected() && !contain) //selected ---> not selected
{
_select_flag = SF_NONE;
setSelected(false);
scene()->update(boundingRect());
event->widget()->setCursor(WCursor(getCursorShape(_select_flag)));
scene()->itemChange(WGraphicsChange(WGraphicsChange::Unselected, this));
}
}
else if (event->button() == Ws::RightButton) //请求右键菜单
{
int flag = low_word(_select_flag);
Ws::ContextMenuFlags flags = 0;
if (flag == SF_VERTEX && data()->polygon.size() > 4)
{
flags |= Ws::DeleteVertex;
}
else if (flag == SF_MID)
{
flags |= Ws::AddVertex;
}
else if (flag == SF_CONTENT)
{
flags |= Ws::Copy;
}
if (flags)
{
requestContextMenu(flags);
}
}
}
GHOST_TSuccess GHOST_WindowWin32::setWindowCursorVisibility(bool visible)
{
if (::GetForegroundWindow() == m_hWnd) {
loadCursor(visible, getCursorShape());
}
return GHOST_kSuccess;
}
void WGraphicsPolygonItem::mouseMoveEvent(WGraphicsSceneMouseEvent* event)
{
WWorldPointF pos = event->scenePos();
if (isSelected())
{
if (event->buttons() & Ws::LeftButton) //drag move
{
_dragging = true;
WWorldPolygonF polygonFrom = draggedPolygon(data()->polygon, scene()->dragStartPos(), event->lastScenePos(), _select_flag);
WWorldPolygonF polygonTo = draggedPolygon(data()->polygon, scene()->dragStartPos(), event->scenePos(), _select_flag);
scene()->update(expanded(polygonFrom.boundingRect() | polygonTo.boundingRect() | data()->polygon.boundingRect()));
}
else //update select flag (status transfer)
{
int old_flag = _select_flag;
if (!contains(pos)) //other status ---> none selected
{
_select_flag = SF_NONE;
}
else
{
unsigned i = 0;
unsigned size = _cp.size();
for (; i<size; ++i)
{
//detect wheter control point is selected
if (distance(pos, data()->polygon[i]) < CP_RADIUS)
{
_select_flag = make_int(i, SF_VERTEX);
break;
}
else if (distance(pos, _cp[i]) < CP_RADIUS)
{
_select_flag = make_int(i, SF_MID);
break;
}
}
if (i == size) //no control point is selected, that is, content is selected
{
_select_flag = SF_CONTENT;
}
}
if (_select_flag != old_flag) //select status changed
{
scene()->update(boundingRect());
event->widget()->setCursor(WCursor(getCursorShape(_select_flag)));
}
}
}
}
void WGraphicsRichTextItem::mousePressEvent(WGraphicsSceneMouseEvent* event)
{
bool contain = contains(getRotateMatrix_1().map(event->scenePos()));
if (isSelectable() && isSelectable() && !isSelected() && contain) //status transfer, not selected ---> selected
{
_select_flag = SF_CONTENT;
setSelected();
scene()->update(boundingRect());
event->widget()->setCursor(WCursor(getCursorShape(_select_flag)));
scene()->itemChange(WGraphicsChange(WGraphicsChange::Selected, this));
}
else if (isSelected() && !contain) //status transfer, selected ---> not selected
{
_select_flag = SF_NONE;
setSelected(false);
scene()->update(boundingRect());
event->widget()->setCursor(WCursor(getCursorShape(_select_flag)));
scene()->itemChange(WGraphicsChange(WGraphicsChange::Unselected, this));
}
}
void WGraphicsRichTextItem::mouseMoveEvent(WGraphicsSceneMouseEvent* event)
{
WWorldPointF pos = getRotateMatrix_1().map(event->scenePos());
if (isSelected())
{
if (event->buttons() & Ws::LeftButton) //drag move
{
_dragging = true;
if (_select_flag == SF_CONTENT)
{
WWorldRectF r = boundingRect();
WWorldRectF rectFrom = r.translated(event->lastScenePos() - scene()->dragStartPos());
WWorldRectF rectTo = r.translated(event->scenePos() - scene()->dragStartPos());
scene()->update(r | rectFrom | rectTo);
}
else if (_select_flag == SF_ROTATE)
{
WWorldPointF c = _bound_rect.center();
double radius = WWorldLineF(_bound_rect.topLeft(), _bound_rect.bottomRight()).length() / 2;
scene()->update(WWorldRectF(c.x(), c.y(), 0.0, 0.0).adjusted(-radius, -radius, radius, radius));
}
}
else //update select flag (status transfer)
{
int old_flag = _select_flag;
if (!contains(pos)) //other status ---> none selected
{
_select_flag = SF_NONE;
}
else
{
_select_flag = (distance(_rotate_pt, pos) < CP_RADIUS) ? SF_ROTATE : SF_CONTENT;
}
if (_select_flag != old_flag) //select status changed
{
scene()->update(boundingRect());
event->widget()->setCursor(WCursor(getCursorShape(_select_flag)));
}
}
}
}
void WGraphicsRectItem::mouseMoveEvent(WGraphicsSceneMouseEvent* event)
{
WMatrix matrix = getRotateMatrix_1();
WWorldPointF pos = matrix.map(event->scenePos());
if (isSelected())
{
if (event->buttons() & Ws::LeftButton) //drag move
{
_dragging = true;
WWorldPointF lastPos = matrix.map(event->lastScenePos());
WWorldPointF dragPos = matrix.map(scene()->dragStartPos());
WWorldRectF r = boundingRect();
if (_select_flag != SF_ROTATE) //矩形不是在旋转
{
if (_select_flag != SF_CONTENT || isMovable()) //矩形不是整个被选中
{
const int (&f)[4] = ADJUST_TABLE[bit(_select_flag)];
WWorldPointF offsetFrom = lastPos - dragPos;
WWorldPointF offsetTo = pos - dragPos;
WWorldRectF rectFrom = data()->rect.adjusted(offsetFrom.x() * f[0], offsetFrom.y() * f[1], offsetFrom.x() * f[2], offsetFrom.y() * f[3]);
WWorldRectF rectTo = data()->rect.adjusted(offsetTo.x() * f[0], offsetTo.y() * f[1], offsetTo.x() * f[2], offsetTo.y() * f[3]);
scene()->update(expanded(rectFrom | rectTo | boundingRect()));
}
}
else //矩形在旋转
{
double radius = std::max(data()->rect.width() / 2, data()->rect.height() / 2);
WWorldPointF c = data()->rect.center();
scene()->update(WWorldRectF(c.x(), c.y(), 0.0, 0.0).adjusted(-radius, -radius, radius, radius));
}
}
else //update select flag (status transfer)
{
int old_flag = _select_flag;
if (!contains(pos)) //other status ---> none selected
{
_select_flag = SF_NONE;
}
else
{
unsigned i=0;
unsigned size = array_size(_cp);
for (; i<size; ++i)
{
if (distance(pos, _cp[i]) < CP_RADIUS) //detect wheter control point is selected
{
_select_flag = (1 << i); //control point _cp[i] is presently selected
break;
}
}
if (i == size)
{
_select_flag = (distance(_rotate_pt, pos) < CP_RADIUS) ? SF_ROTATE : SF_CONTENT;
}
}
if (_select_flag != old_flag) //select status changed
{
scene()->update(boundingRect());
event->widget()->setCursor(WCursor(getCursorShape(_select_flag)));
}
}
}
}
