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Query pointer for great justice. Part of bug #72556. Not part of the build.
This commit is contained in:
blizzard%redhat.com
parent
f941b99ef3
commit
9f0dc9f1fe
48
widget/public/nsIPointerService.h
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48
widget/public/nsIPointerService.h
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@ -0,0 +1,48 @@
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the mozilla.org code.
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*
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* The Initial Developer of the Original Code is Christopher Blizzard.
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* Portions created Christopher Blizzard are Copyright (C) Christopher
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* Blizzard. All Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsIPointerService_h_
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#define nsIPointerService_h_
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#include <nsIWidget.h>
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#define NS_IPOINTERSERVICE_IID \
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{ 0xabde6104, 0x1dd1, 0x11b2, { 0x8e, 0x8f, 0xb2, 0xe4, 0x76, 0x8b, 0xbb, 0xfb } };
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#define NS_IPOINTERSERVICE_CONTRACTID \
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"@mozilla.org/widget/pointer-service;1"
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class nsIPointerService : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_IPOINTERSERVICE_IID);
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// This method will return the widget that is currently under the
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// pointer. If there is no widget under the pointer it will return
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// 0.
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// This call is EXTRAORDINARILY EXPENSIVE UNDER X. Please don't
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// use it unless you have to.
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NS_IMETHOD WidgetUnderPointer(nsIWidget **_retval,
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PRUint32 *aXOffset, PRUint32 *aYOffset) = 0;
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};
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#endif /* nsIPointerService_h_ */
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115
widget/src/gtk/nsPointerService.cpp
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115
widget/src/gtk/nsPointerService.cpp
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@ -0,0 +1,115 @@
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the mozilla.org code.
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*
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* The Initial Developer of the Original Code is Christopher Blizzard.
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* Portions created Christopher Blizzard are Copyright (C) Christopher
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* Blizzard. All Rights Reserved.
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*
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* Contributor(s):
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*/
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#include <gdk/gdk.h>
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#include <gdk/gdkx.h>
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#include "nsPointerService.h"
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#include "nsWindow.h"
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NS_IMPL_ADDREF_INHERITED(nsPointerService, nsBasePointerService)
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NS_IMPL_RELEASE_INHERITED(nsPointerService, nsBasePointerService)
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NS_IMPL_QUERY_INTERFACE_INHERITED0(nsPointerService, nsBasePointerService)
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NS_IMETHODIMP
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nsPointerService::WidgetUnderPointer(nsIWidget **_retval,
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PRUint32 *aXOffset, PRUint32 *aYOffset)
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{
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*_retval = nsnull;
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*aXOffset = 0;
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*aYOffset = 0;
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Bool retval;
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Window root_return;
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Window child_return = None;
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int root_x_return, root_y_return;
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int win_x_return, win_y_return;
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unsigned int mask_return;
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// Query the pointer
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retval = XQueryPointer(GDK_DISPLAY(),
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GDK_WINDOW_XWINDOW(GDK_ROOT_PARENT()),
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&root_return, &child_return,
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&root_x_return, &root_y_return,
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&win_x_return, &win_y_return,
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&mask_return);
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// the pointer is on a different window
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if (!retval || child_return == None)
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return NS_OK;
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int done = 0;
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Window dest_w = child_return;
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int xlate_x_return;
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int xlate_y_return;
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// loop to find the inner most window
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while (!done) {
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Window xlate_return = None;
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retval = XTranslateCoordinates(GDK_DISPLAY(),
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GDK_WINDOW_XWINDOW(GDK_ROOT_PARENT()),
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dest_w,
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win_x_return, win_y_return,
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&xlate_x_return, &xlate_y_return,
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&xlate_return);
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// the pointer is on a different screen
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if (!retval)
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return NS_OK;
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// if xlate_return was None then we've reached the inner most window
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if (xlate_return == None)
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done = 1;
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// otherwise set our new destination window to the return from the
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// translation
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else
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dest_w = xlate_return;
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}
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GdkWindow *window;
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nsWindow *widget;
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// get the gdk window under the pointer
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window = gdk_window_lookup(dest_w);
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// it's not a gdk window
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if (!window)
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return NS_OK;
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// is that an nsWindow window?
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gpointer data = NULL;
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gdk_window_get_user_data(window, &data);
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// nope
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if (!data)
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return NS_OK;
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// downcast
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widget = (nsWindow *)gtk_object_get_data(GTK_OBJECT(data), "nsWindow");
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if (!widget)
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return NS_OK;
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*_retval = NS_STATIC_CAST(nsIWidget *, widget);
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*aXOffset = xlate_x_return;
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*aYOffset = xlate_y_return;
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NS_ADDREF(*_retval);
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return NS_OK;
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}
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32
widget/src/gtk/nsPointerService.h
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32
widget/src/gtk/nsPointerService.h
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@ -0,0 +1,32 @@
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the mozilla.org code.
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*
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* The Initial Developer of the Original Code is Christopher Blizzard.
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* Portions created Christopher Blizzard are Copyright (C) Christopher
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* Blizzard. All Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsBasePointerService.h"
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class nsPointerService : public nsBasePointerService {
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_IMETHOD WidgetUnderPointer(nsIWidget **_retval,
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PRUint32 *aXOffset, PRUint32 *aYOffset);
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};
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43
widget/src/xpwidgets/nsBasePointerService.cpp
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43
widget/src/xpwidgets/nsBasePointerService.cpp
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@ -0,0 +1,43 @@
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the mozilla.org code.
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*
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* The Initial Developer of the Original Code is Christopher Blizzard.
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* Portions created Christopher Blizzard are Copyright (C) Christopher
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* Blizzard. All Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsBasePointerService.h"
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nsBasePointerService::nsBasePointerService()
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{
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NS_INIT_REFCNT();
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}
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nsBasePointerService::~nsBasePointerService()
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{
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}
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NS_IMPL_ADDREF(nsBasePointerService)
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NS_IMPL_RELEASE(nsBasePointerService)
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NS_IMPL_QUERY_INTERFACE1(nsBasePointerService, nsIPointerService)
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NS_IMETHODIMP
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nsBasePointerService::WidgetUnderPointer(nsIWidget **_retval,
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PRUint32 *aXOffset,
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PRUint32 *aYOffset)
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{
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*_retval = nsnull;
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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40
widget/src/xpwidgets/nsBasePointerService.h
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40
widget/src/xpwidgets/nsBasePointerService.h
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@ -0,0 +1,40 @@
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the mozilla.org code.
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*
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* The Initial Developer of the Original Code is Christopher Blizzard.
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* Portions created Christopher Blizzard are Copyright (C) Christopher
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* Blizzard. All Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsBasePointerService_h_
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#define nsBasePointerService_h_
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#include <nsIPointerService.h>
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class nsBasePointerService : public nsIPointerService {
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public:
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nsBasePointerService();
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virtual ~nsBasePointerService();
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// nsISupports
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NS_DECL_ISUPPORTS
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// nsIPointerService
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NS_IMETHOD WidgetUnderPointer(nsIWidget **_retval,
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PRUint32 *aXOffset, PRUint32 *aYOffset);
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};
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#endif /* nsBasePointerService_h_ */
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