void CFWL_WidgetMgrDelegate::OnDrawWidget(IFWL_Widget* pWidget,
CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) {
if (!pWidget || !pGraphics)
return;
CFX_Graphics* pTemp = DrawWidgetBefore(pWidget, pGraphics, pMatrix);
CFX_RectF clipCopy;
pWidget->GetWidgetRect(clipCopy);
clipCopy.left = clipCopy.top = 0;
if (bUseOffscreenDirect(pWidget)) {
DrawWidgetAfter(pWidget, pGraphics, clipCopy, pMatrix);
return;
}
CFX_RectF clipBounds;
#if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_ || \
_FX_OS_ == _FX_LINUX_DESKTOP_ || _FX_OS_ == _FX_ANDROID_
IFWL_WidgetDelegate* pDelegate = pWidget->SetDelegate(nullptr);
pDelegate->OnDrawWidget(pTemp, pMatrix);
pGraphics->GetClipRect(clipBounds);
clipCopy = clipBounds;
#elif _FX_OS_ == _FX_MACOSX_
if (m_pWidgetMgr->IsFormDisabled()) {
IFWL_WidgetDelegate* pDelegate = pWidget->SetDelegate(nullptr);
pDelegate->OnDrawWidget(pTemp, pMatrix);
pGraphics->GetClipRect(clipBounds);
clipCopy = clipBounds;
} else {
clipBounds.Set(pMatrix->a, pMatrix->b, pMatrix->c, pMatrix->d);
const_cast<CFX_Matrix*>(pMatrix)->SetIdentity(); // FIXME: const cast.
IFWL_WidgetDelegate* pDelegate = pWidget->SetDelegate(nullptr);
pDelegate->OnDrawWidget(pTemp, pMatrix);
}
#endif // _FX_OS_ == _FX_MACOSX_
if (!m_pWidgetMgr->IsFormDisabled()) {
CFX_RectF rtClient;
pWidget->GetClientRect(rtClient);
clipBounds.Intersect(rtClient);
}
if (!clipBounds.IsEmpty())
DrawChild(pWidget, clipBounds, pTemp, pMatrix);
DrawWidgetAfter(pWidget, pGraphics, clipCopy, pMatrix);
m_pWidgetMgr->ResetRedrawCounts(pWidget);
}
void CFWL_WidgetMgrDelegate::DrawChild(IFWL_Widget* parent,
const CFX_RectF& rtClip,
CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) {
if (!parent)
return;
FX_BOOL bFormDisable = m_pWidgetMgr->IsFormDisabled();
IFWL_Widget* pNextChild = m_pWidgetMgr->GetFirstChildWidget(parent);
while (pNextChild) {
IFWL_Widget* child = pNextChild;
pNextChild = m_pWidgetMgr->GetNextSiblingWidget(child);
if (child->GetStates() & FWL_WGTSTATE_Invisible)
continue;
CFX_RectF rtWidget;
child->GetWidgetRect(rtWidget);
if (rtWidget.IsEmpty())
continue;
CFX_Matrix widgetMatrix;
CFX_RectF clipBounds(rtWidget);
if (!bFormDisable)
child->GetMatrix(widgetMatrix, TRUE);
if (pMatrix)
widgetMatrix.Concat(*pMatrix);
if (!bFormDisable) {
widgetMatrix.TransformPoint(clipBounds.left, clipBounds.top);
clipBounds.Intersect(rtClip);
if (clipBounds.IsEmpty())
continue;
pGraphics->SaveGraphState();
pGraphics->SetClipRect(clipBounds);
}
widgetMatrix.Translate(rtWidget.left, rtWidget.top, TRUE);
IFWL_WidgetDelegate* pDelegate = child->SetDelegate(nullptr);
if (pDelegate) {
if (m_pWidgetMgr->IsFormDisabled() ||
IsNeedRepaint(child, &widgetMatrix, rtClip)) {
pDelegate->OnDrawWidget(pGraphics, &widgetMatrix);
}
}
if (!bFormDisable)
pGraphics->RestoreGraphState();
DrawChild(child, clipBounds, pGraphics,
bFormDisable ? &widgetMatrix : pMatrix);
child = m_pWidgetMgr->GetNextSiblingWidget(child);
}
}
