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widget/src/motif/nsRadioButton.cpp
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288
widget/src/motif/nsRadioButton.cpp
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsRadioButton.h"
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#include "nsColor.h"
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#include "nsGUIEvent.h"
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#include "nsString.h"
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#include "nsStringUtil.h"
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#include "nsXtEventHandler.h"
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#include <Xm/ToggleB.h>
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#include <Xm/RowColumn.h>
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#define DBG 0
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//-------------------------------------------------------------------------
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//
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// nsRadioButton constructor
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//
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//-------------------------------------------------------------------------
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nsRadioButton::nsRadioButton(nsISupports *aOuter) :
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nsWindow(aOuter),
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mIsArmed(PR_FALSE)
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{
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}
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//-------------------------------------------------------------------------
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//
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// nsRadioButton destructor
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//
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//-------------------------------------------------------------------------
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nsRadioButton::~nsRadioButton()
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{
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}
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//-------------------------------------------------------------------------
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//
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// nsRadioButton Creator
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//
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//-------------------------------------------------------------------------
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void nsRadioButton::Create(nsIWidget *aParent,
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const nsRect &aRect,
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EVENT_CALLBACK aHandleEventFunction,
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nsIDeviceContext *aContext,
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nsIToolkit *aToolkit,
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nsWidgetInitData *aInitData)
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{
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Widget parentWidget = nsnull;
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if (DBG) fprintf(stderr, "aParent 0x%x\n", aParent);
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if (aParent) {
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parentWidget = (Widget) aParent->GetNativeData(NS_NATIVE_WIDGET);
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} else {
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parentWidget = (Widget) aInitData ;
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}
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if (DBG) fprintf(stderr, "Parent 0x%x\n", parentWidget);
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mWidget = ::XmCreateRadioBox(parentWidget, "radio", nsnull, 0);
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XtVaSetValues(mWidget, XmNwidth, aRect.width,
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XmNheight, aRect.height,
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XmNx, aRect.x,
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XmNy, aRect.y,
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nsnull);
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mRadioBtn = ::XmCreateToggleButton(mWidget, "radio", nsnull, 0);
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if (DBG) fprintf(stderr, "Button 0x%x this 0x%x\n", mWidget, this);
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// save the event callback function
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mEventCallback = aHandleEventFunction;
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InitCallbacks();
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XtAddCallback(mRadioBtn,
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XmNarmCallback,
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nsXtWidget_Toggle_ArmCallback,
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this);
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XtAddCallback(mRadioBtn,
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XmNdisarmCallback,
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nsXtWidget_Toggle_DisArmCallback,
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this);
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}
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//-------------------------------------------------------------------------
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//
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// nsRadioButton Creator
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//
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//-------------------------------------------------------------------------
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void nsRadioButton::Create(nsNativeWindow aParent,
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const nsRect &aRect,
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EVENT_CALLBACK aHandleEventFunction,
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nsIDeviceContext *aContext,
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nsIToolkit *aToolkit,
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nsWidgetInitData *aInitData)
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{
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}
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//-------------------------------------------------------------------------
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//
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// Query interface implementation
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//
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//-------------------------------------------------------------------------
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nsresult nsRadioButton::QueryObject(REFNSIID aIID, void** aInstancePtr)
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{
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static NS_DEFINE_IID(kIRadioButtonIID, NS_IRADIOBUTTON_IID);
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if (aIID.Equals(kIRadioButtonIID)) {
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AddRef();
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*aInstancePtr = (void**) &mAggWidget;
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return NS_OK;
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}
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return nsWindow::QueryObject(aIID, aInstancePtr);
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}
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//-------------------------------------------------------------------------
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//
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// Armed
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//
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//-------------------------------------------------------------------------
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void nsRadioButton::Armed()
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{
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mIsArmed = PR_TRUE;
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mValueWasSet = PR_FALSE;
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mInitialState = XmToggleButtonGetState(mRadioBtn);
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if (DBG) printf("Arm: InitialValue: %d\n", mInitialState);
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}
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//-------------------------------------------------------------------------
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//
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// DisArmed
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//
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//-------------------------------------------------------------------------
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void nsRadioButton::DisArmed()
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{
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if (DBG) printf("DisArm: InitialValue: %d\n", mInitialState);
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if (DBG) printf("DisArm: ActualValue: %d\n", XmToggleButtonGetState(mRadioBtn));
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if (DBG) printf("DisArm: mValueWasSet %d\n", mValueWasSet);
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if (DBG) printf("DisArm: mNewValue %d\n", mNewValue);
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if (mValueWasSet) {
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XmToggleButtonSetState(mRadioBtn, mNewValue, TRUE);
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} else {
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XmToggleButtonSetState(mRadioBtn, mInitialState, TRUE);
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}
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mIsArmed = PR_FALSE;
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}
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//-------------------------------------------------------------------------
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//
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// Set this button label
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//
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//-------------------------------------------------------------------------
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void nsRadioButton::SetState(PRBool aState)
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{
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int state = aState;
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if (mIsArmed) {
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mNewValue = aState;
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mValueWasSet = PR_TRUE;
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}
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XmToggleButtonSetState(mRadioBtn, aState, TRUE);
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}
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//-------------------------------------------------------------------------
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//
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// Set this button label
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//
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//-------------------------------------------------------------------------
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PRBool nsRadioButton::GetState()
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{
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int state = XmToggleButtonGetState(mRadioBtn);
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if (mIsArmed) {
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if (mValueWasSet) {
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return mNewValue;
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} else {
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return state;
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}
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} else {
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return state;
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}
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}
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//-------------------------------------------------------------------------
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//
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// Set this button label
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//
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//-------------------------------------------------------------------------
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void nsRadioButton::SetLabel(const nsString& aText)
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{
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NS_ALLOC_STR_BUF(label, aText, 256);
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XmString str;
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str = XmStringCreate(label, XmFONTLIST_DEFAULT_TAG);
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XtVaSetValues(mRadioBtn, XmNlabelString, str, nsnull);
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NS_FREE_STR_BUF(label);
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XmStringFree(str);
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}
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//-------------------------------------------------------------------------
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//
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// Get this button label
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//
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//-------------------------------------------------------------------------
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void nsRadioButton::GetLabel(nsString& aBuffer)
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{
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XmString str;
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XtVaGetValues(mRadioBtn, XmNlabelString, &str, nsnull);
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char * text;
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if (XmStringGetLtoR(str, XmFONTLIST_DEFAULT_TAG, &text)) {
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aBuffer.SetLength(0);
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aBuffer.Append(text);
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XtFree(text);
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}
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XmStringFree(str);
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}
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//-------------------------------------------------------------------------
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//
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// move, paint, resizes message - ignore
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//
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//-------------------------------------------------------------------------
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PRBool nsRadioButton::OnMove(PRInt32, PRInt32)
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{
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return PR_FALSE;
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}
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PRBool nsRadioButton::OnPaint(nsPaintEvent &aEvent)
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{
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return PR_FALSE;
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}
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PRBool nsRadioButton::OnResize(nsSizeEvent &aEvent)
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{
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return PR_FALSE;
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}
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//----------------------------------------------------------------------
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//----------------------------------------------------------------------
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//----------------------------------------------------------------------
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#define GET_OUTER() \
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((nsRadioButton*) ((char*)this - nsRadioButton::GetOuterOffset()))
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PRBool nsRadioButton::AggRadioButton::GetState()
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{
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return GET_OUTER()->GetState();
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}
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void nsRadioButton::AggRadioButton::SetState(PRBool aState)
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{
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GET_OUTER()->SetState(aState);
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}
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void nsRadioButton::AggRadioButton::SetLabel(const nsString& aText)
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{
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GET_OUTER()->SetLabel(aText);
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}
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void nsRadioButton::AggRadioButton::GetLabel(nsString& aText)
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{
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GET_OUTER()->GetLabel(aText);
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}
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//----------------------------------------------------------------------
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BASE_IWIDGET_IMPL(nsRadioButton, AggRadioButton);
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104
widget/src/motif/nsRadioButton.h
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104
widget/src/motif/nsRadioButton.h
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@ -0,0 +1,104 @@
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsRadioButton_h__
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#define nsRadioButton_h__
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#include "nsWindow.h"
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#include "nsIRadioButton.h"
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/**
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* Native Motif Radiobutton wrapper
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*/
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class nsRadioButton : public nsWindow
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{
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public:
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nsRadioButton(nsISupports *aOuter);
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virtual ~nsRadioButton();
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NS_IMETHOD QueryObject(REFNSIID aIID, void** aInstancePtr);
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void Create(nsIWidget *aParent,
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const nsRect &aRect,
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EVENT_CALLBACK aHandleEventFunction,
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nsIDeviceContext *aContext = nsnull,
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nsIToolkit *aToolkit = nsnull,
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nsWidgetInitData *aInitData = nsnull);
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void Create(nsNativeWindow aParent,
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const nsRect &aRect,
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EVENT_CALLBACK aHandleEventFunction,
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nsIDeviceContext *aContext = nsnull,
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nsIToolkit *aToolkit = nsnull,
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nsWidgetInitData *aInitData = nsnull);
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// nsIRadioButton part
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virtual void SetLabel(const nsString& aText);
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virtual void GetLabel(nsString& aBuffer);
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virtual PRBool OnMove(PRInt32 aX, PRInt32 aY);
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virtual PRBool OnPaint(nsPaintEvent &aEvent);
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virtual PRBool OnResize(nsSizeEvent &aEvent);
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virtual void SetState(PRBool aState);
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virtual PRBool GetState();
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// These are needed to Override the auto check behavior
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void Armed();
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void DisArmed();
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private:
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// this should not be public
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static PRInt32 GetOuterOffset() {
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return offsetof(nsRadioButton,mAggWidget);
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}
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Widget mRadioBtn;
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Boolean mInitialState;
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Boolean mNewValue;
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Boolean mValueWasSet;
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Boolean mIsArmed;
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// Aggregator class and instance variable used to aggregate in the
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// nsIButton interface to nsRadioButton w/o using multiple
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// inheritance.
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class AggRadioButton : public nsIRadioButton {
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public:
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AggRadioButton();
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virtual ~AggRadioButton();
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AGGRRGATE_METHOD_DEF
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// nsIRadioButton
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virtual void SetLabel(const nsString &aText);
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virtual void GetLabel(nsString &aBuffer);
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virtual void SetState(PRBool aState);
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virtual PRBool GetState();
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};
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AggRadioButton mAggWidget;
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};
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#endif // nsRadioButton_h__
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