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filter mousedown and drag events depending on target window's enabled state. bug 126786 r=hyatt,rginda a=asa

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This commit is contained in:
danm%netscape.com 2002-02-28 23:27:20 +00:00
parent a72401a73c
commit bfc5f51129
1 changed files with 31 additions and 11 deletions
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42
widget/src/mac/nsMacMessagePump.cpp
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@ -72,8 +72,9 @@
#ifndef XP_MACOSX
#include <DiskInit.h>
#endif
#include <LowMem.h>
#include <Devices.h>
#include <LowMem.h>
#include <Sound.h>
#include <Quickdraw.h>
#include "nsCarbonHelpers.h"
#include "nsWatchTask.h"
@ -590,8 +591,13 @@ void nsMacMessagePump::DoMouseDown(EventRecord &anEvent)
sink->DragEvent ( NS_DRAGDROP_GESTURE, anEvent.where.h, anEvent.where.v, 0L, &handled );
}
}
else
macWindow->ComeToFront();
else {
PRBool enabled;
if (NS_SUCCEEDED(topWidget->IsEnabled(&enabled)) && !enabled)
::SysBeep(1);
else
macWindow->ComeToFront();
}
}
}
break;
@ -601,8 +607,6 @@ void nsMacMessagePump::DoMouseDown(EventRecord &anEvent)
{
nsGraphicsUtils::SafeSetPortWindowPort(whichWindow);
// grrr... DragWindow calls SelectWindow, no way to stop it. For now,
// we'll just let it come to the front and then push it back if necessary.
Point oldTopLeft = {0, 0};
::LocalToGlobal(&oldTopLeft);
@ -611,10 +615,28 @@ void nsMacMessagePump::DoMouseDown(EventRecord &anEvent)
// roll up popups BEFORE we start the drag
if ( gRollupListener && gRollupWidget )
gRollupListener->Rollup();
Rect screenRect;
::GetRegionBounds(::GetGrayRgn(), &screenRect);
::DragWindow(whichWindow, anEvent.where, &screenRect);
/* Do the drag, but not if the window is disabled or if the command key
is not down. (DragWindow itself will activate the window if
the command key isn't down.) However, allow the drag on OSX.
On OSX we disable only the single parent of a window with a sheet,
so it's a safe-ish assumption that the disabled window can be
dragged and brought to the foreground. */
nsCOMPtr<nsIWidget> topWidget;
PRBool enabled;
nsToolkit::GetTopWidget(whichWindow, getter_AddRefs(topWidget));
if (
#if TARGET_CARBON
nsToolkit::OnMacOSX() ||
#endif
!topWidget || NS_FAILED(topWidget->IsEnabled(&enabled)) || enabled ||
(anEvent.modifiers & cmdKey)) {
Rect screenRect;
::GetRegionBounds(::GetGrayRgn(), &screenRect);
::DragWindow(whichWindow, anEvent.where, &screenRect);
} else
::SysBeep(1);
nsWatchTask::GetTask().Resume();
Point newTopLeft = {0, 0};
@ -623,8 +645,6 @@ void nsMacMessagePump::DoMouseDown(EventRecord &anEvent)
// only activate if the command key is not down
if (!(anEvent.modifiers & cmdKey))
{
nsCOMPtr<nsIWidget> topWidget;
nsToolkit::GetTopWidget ( whichWindow, getter_AddRefs(topWidget) );
nsCOMPtr<nsPIWidgetMac> macWindow ( do_QueryInterface(topWidget) );
if ( macWindow )
macWindow->ComeToFront();