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Dispatch (WIN32 only) and handle a new cross platform message NS_SYSCOLORCHANGE. bug 143174. r=rods sr=roc

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git-svn-id: svn://10.0.0.236/trunk@122677 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
kmcclusk%netscape.com
2002-06-04 17:47:54 +00:00
parent ed4ced5369
commit eb567220f1
13 changed files with 201 additions and 2 deletions
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19
mozilla/layout/base/nsPresShell.cpp
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@@ -5922,6 +5922,25 @@ PresShell::HandleEvent(nsIView *aView,
if (aEvent->message == NS_THEMECHANGED && mPresContext)
return mPresContext->ThemeChanged();
// Check for a system color change up front, since the frame type is irrelevenat
if ((aEvent->message == NS_SYSCOLORCHANGED) && mPresContext) {
nsIViewManager *vm;
if ((NS_SUCCEEDED(GetViewManager(&vm))) && vm) {
// Only dispatch system color change when the message originates from
// from the root views widget. This is necessary to prevent us from
// dispatching the SysColorChanged notification for each child window
// which may be redundant.
nsIView *view;
vm->GetRootView(view);
if (view == aView) {
aHandled = PR_TRUE;
*aEventStatus = nsEventStatus_eConsumeDoDefault;
return mPresContext->SysColorChanged();
}
}
return NS_OK;
}
aView->GetClientData(clientData);
frame = (nsIFrame *)clientData;