487 lines
12 KiB
C++
487 lines
12 KiB
C++
/* -*- 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 "nsTextWidget.h"
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#include "nsToolkit.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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#define DBG 0
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//=================================================================
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/* Constructor
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* @update dc 09/10/98
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* @param aOuter -- nsISupports object
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* @return NONE
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*/
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nsTextWidget::nsTextWidget(nsISupports *aOuter): nsWindow(aOuter)
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{
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mIsPasswordCallBacksInstalled = PR_FALSE;
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mMakeReadOnly=PR_FALSE;
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mMakePassword=PR_FALSE;
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mTE_Data = nsnull;
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//mBackground = NS_RGB(124, 124, 124);
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}
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//=================================================================
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/* Destructor
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* @update dc 09/10/98
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* @param NONE
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* @return NONE
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*/
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nsTextWidget::~nsTextWidget()
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{
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if(mTE_Data!=nsnull)
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WEDispose(mTE_Data);
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}
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//=================================================================
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/* Function to create the TextWidget and all its neccisary data
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* @update dc 09/10/98
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* @param aParent --
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* @param aRect --
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* @param aHandleEventFunction --
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* @param aContext --
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* @param aAppShell --
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* @param aToolKit --
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* @param aInitData --
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* @return NONE
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*/
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void nsTextWidget::Create(nsIWidget *aParent,const nsRect &aRect,EVENT_CALLBACK aHandleEventFunction,
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nsIDeviceContext *aContext,nsIAppShell *aAppShell,nsIToolkit *aToolkit, nsWidgetInitData *aInitData)
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{
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LongRect destRect,viewRect;
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PRUint32 teFlags=0;
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GrafPtr curport;
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mParent = aParent;
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aParent->AddChild(this);
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if (DBG) fprintf(stderr, "aParent 0x%x\n", aParent);
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WindowPtr window = nsnull;
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if (aParent)
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window = (WindowPtr) aParent->GetNativeData(NS_NATIVE_WIDGET);
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else
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if (aAppShell)
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window = (WindowPtr) aAppShell->GetNativeData(NS_NATIVE_SHELL);
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mIsMainWindow = PR_FALSE;
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mWindowMadeHere = PR_TRUE;
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mWindowRecord = (WindowRecord*)window;
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mWindowPtr = (WindowPtr)window;
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NS_ASSERTION(window!=nsnull,"The WindowPtr for the widget cannot be null")
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if (window)
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{
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InitToolkit(aToolkit, aParent);
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if (DBG) fprintf(stderr, "Parent 0x%x\n", window);
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// Set the bounds to the local rect
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SetBounds(aRect);
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mWindowRegion = NewRgn();
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SetRectRgn(mWindowRegion,aRect.x,aRect.y,aRect.x+aRect.width,aRect.y+aRect.height);
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// save the event callback function
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mEventCallback = aHandleEventFunction;
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// Initialize the TE record
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viewRect.left = aRect.x;
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viewRect.top = aRect.y;
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viewRect.right = aRect.x+aRect.width;
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viewRect.bottom = aRect.y+aRect.height;
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destRect = viewRect;
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::GetPort(&curport);
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::SetPort(mWindowPtr);
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WENew(&destRect,&viewRect,teFlags,&mTE_Data);
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::SetPort(curport);
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InitDeviceContext(mContext, (nsNativeWidget)mWindowPtr);
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}
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}
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//=================================================================
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/* Function to create the TextWidget and all its neccisary data
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* @update dc 09/10/98
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* @param aParent --
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* @param aRect --
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* @param aHandleEventFunction --
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* @param aContext --
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* @param aAppShell --
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* @param aToolKit --
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* @param aInitData --
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* @return NONE
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*/
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void nsTextWidget::Create(nsNativeWidget 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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nsIAppShell *aAppShell,
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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 nsTextWidget::QueryObject(REFNSIID aIID, void** aInstancePtr)
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{
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static NS_DEFINE_IID(kITextWidgetIID, NS_ITEXTWIDGET_IID);
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if (aIID.Equals(kITextWidgetIID)) {
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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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// paint, resizes message - ignore
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//
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//-------------------------------------------------------------------------
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PRBool nsTextWidget::OnPaint(nsPaintEvent & aEvent)
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{
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nsRect therect;
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Rect macrect;
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GrafPtr theport;
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RGBColor blackcolor = {0,0,0};
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RgnHandle thergn;
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::GetPort(&theport);
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::SetPort(mWindowPtr);
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GetBounds(therect);
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nsRectToMacRect(therect,macrect);
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thergn = ::NewRgn();
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::GetClip(thergn);
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::ClipRect(¯ect);
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//::EraseRoundRect(¯ect,10,10);
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//::PenSize(1,1);
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//::FrameRoundRect(¯ect,10,10);
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WEActivate(mTE_Data);
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WEUpdate(nsnull,mTE_Data);
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::PenSize(1,1);
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::SetClip(thergn);
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::SetPort(theport);
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return PR_FALSE;
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}
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//--------------------------------------------------------------
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void nsTextWidget::PrimitiveKeyDown(PRInt16 aKey,PRInt16 aModifiers)
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{
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PRBool result=PR_TRUE;
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GrafPtr theport;
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RgnHandle thergn;
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nsRect therect;
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Rect macrect;
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::GetPort(&theport);
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::SetPort(mWindowPtr);
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GetBounds(therect);
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nsRectToMacRect(therect,macrect);
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thergn = ::NewRgn();
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::GetClip(thergn);
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::ClipRect(¯ect);
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WEKey(aKey,aModifiers,mTE_Data);
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::SetClip(thergn);
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::SetPort(theport);
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}
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//--------------------------------------------------------------
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PRBool
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nsTextWidget::DispatchMouseEvent(nsMouseEvent &aEvent)
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{
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PRBool result=PR_TRUE;
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Point mouseLoc;
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PRInt16 modifiers=0;
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nsRect therect;
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Rect macrect;
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switch (aEvent.message)
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{
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case NS_MOUSE_LEFT_BUTTON_DOWN:
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::SetPort(mWindowPtr);
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GetBounds(therect);
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nsRectToMacRect(therect,macrect);
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::ClipRect(¯ect);
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mouseLoc.h = aEvent.point.x;
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mouseLoc.v = aEvent.point.y;
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WEClick(mouseLoc,modifiers,aEvent.time,mTE_Data);
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result = PR_FALSE;
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break;
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case NS_MOUSE_LEFT_BUTTON_UP:
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break;
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case NS_MOUSE_EXIT:
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break;
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case NS_MOUSE_ENTER:
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break;
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}
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return result;
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}
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//--------------------------------------------------------------
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PRBool nsTextWidget::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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void nsTextWidget::SetPassword(PRBool aIsPassword)
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{
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if ( aIsPassword) {
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mMakePassword = PR_TRUE;
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return;
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}
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if (aIsPassword)
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{
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if (!mIsPasswordCallBacksInstalled)
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{
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mIsPasswordCallBacksInstalled = PR_TRUE;
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}
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}
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else
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{
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if (mIsPasswordCallBacksInstalled)
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{
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mIsPasswordCallBacksInstalled = PR_FALSE;
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}
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}
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//mHelper->SetPassword(aIsPassword);
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}
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//--------------------------------------------------------------
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PRBool nsTextWidget::SetReadOnly(PRBool aReadOnlyFlag)
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{
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if ( aReadOnlyFlag)
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{
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mMakeReadOnly = PR_TRUE;
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return PR_TRUE;
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}
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}
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//--------------------------------------------------------------
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void nsTextWidget::SetMaxTextLength(PRUint32 aChars)
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{
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}
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//--------------------------------------------------------------
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PRUint32 nsTextWidget::GetText(nsString& aTextBuffer, PRUint32 aBufferSize)
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{
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Handle thetext;
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PRInt32 len,i;
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char *str;
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thetext = WEGetText(mTE_Data);
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len = WEGetTextLength(mTE_Data);
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HLock(thetext);
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str = new char[len];
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for(i=0;i<len;i++)
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str[i] = (*thetext)[i];
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HUnlock(thetext);
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aTextBuffer.SetLength(0);
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aTextBuffer.Append(str);
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delete str;
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return aTextBuffer.Length();
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}
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//--------------------------------------------------------------
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PRUint32 nsTextWidget::SetText(const nsString& aText)
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{
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char buffer[256];
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PRInt32 len;
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this->RemoveText();
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aText.ToCString(buffer,255);
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len = strlen(buffer);
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WEInsert(buffer,len,0,0,mTE_Data);
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return len;
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}
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//--------------------------------------------------------------
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PRUint32 nsTextWidget::InsertText(const nsString &aText, PRUint32 aStartPos, PRUint32 aEndPos)
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{
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char buffer[256];
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PRInt32 len;
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aText.ToCString(buffer,255);
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len = strlen(buffer);
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WEInsert(buffer,len,0,0,mTE_Data);
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return(len);
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}
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//--------------------------------------------------------------
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void nsTextWidget::RemoveText()
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{
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WESetSelection(0, 32000,mTE_Data);
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WEDelete(mTE_Data);
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}
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//--------------------------------------------------------------
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void nsTextWidget::SelectAll()
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{
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WESetSelection(0, 32000,mTE_Data);
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}
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//--------------------------------------------------------------
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void nsTextWidget::SetSelection(PRUint32 aStartSel, PRUint32 aEndSel)
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{
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WESetSelection(aStartSel, aEndSel,mTE_Data);
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}
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//--------------------------------------------------------------
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void nsTextWidget::GetSelection(PRUint32 *aStartSel, PRUint32 *aEndSel)
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{
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WEGetSelection((long*)aStartSel,(long*)aEndSel,mTE_Data);
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}
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//--------------------------------------------------------------
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void nsTextWidget::SetCaretPosition(PRUint32 aPosition)
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{
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//mHelper->SetCaretPosition(aPosition);
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}
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//--------------------------------------------------------------
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PRUint32 nsTextWidget::GetCaretPosition()
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{
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//return mHelper->GetCaretPosition();
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}
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//--------------------------------------------------------------
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PRBool nsTextWidget::AutoErase()
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{
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//return mHelper->AutoErase();
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}
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//--------------------------------------------------------------
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#define GET_OUTER() ((nsTextWidget*) ((char*)this - nsTextWidget::GetOuterOffset()))
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//--------------------------------------------------------------
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void nsTextWidget::AggTextWidget::SetMaxTextLength(PRUint32 aChars)
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{
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GET_OUTER()->SetMaxTextLength(aChars);
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}
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//--------------------------------------------------------------
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PRUint32 nsTextWidget::AggTextWidget::GetText(nsString& aTextBuffer, PRUint32 aBufferSize) {
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return GET_OUTER()->GetText(aTextBuffer, aBufferSize);
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}
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//--------------------------------------------------------------
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PRUint32 nsTextWidget::AggTextWidget::SetText(const nsString& aText)
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{
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return GET_OUTER()->SetText(aText);
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}
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//--------------------------------------------------------------
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PRUint32 nsTextWidget::AggTextWidget::InsertText(const nsString &aText, PRUint32 aStartPos, PRUint32 aEndPos)
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{
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return GET_OUTER()->InsertText(aText, aStartPos, aEndPos);
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}
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//--------------------------------------------------------------
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void nsTextWidget::AggTextWidget::RemoveText()
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{
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GET_OUTER()->RemoveText();
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}
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//--------------------------------------------------------------
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void nsTextWidget::AggTextWidget::SetPassword(PRBool aIsPassword)
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{
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GET_OUTER()->SetPassword(aIsPassword);
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}
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//--------------------------------------------------------------
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PRBool nsTextWidget::AggTextWidget::SetReadOnly(PRBool aReadOnlyFlag)
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{
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return GET_OUTER()->SetReadOnly(aReadOnlyFlag);
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}
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//--------------------------------------------------------------
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void nsTextWidget::AggTextWidget::SelectAll()
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{
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GET_OUTER()->SelectAll();
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}
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//--------------------------------------------------------------
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void nsTextWidget::AggTextWidget::SetSelection(PRUint32 aStartSel, PRUint32 aEndSel)
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{
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GET_OUTER()->SetSelection(aStartSel, aEndSel);
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}
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//--------------------------------------------------------------
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void nsTextWidget::AggTextWidget::GetSelection(PRUint32 *aStartSel, PRUint32 *aEndSel)
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{
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GET_OUTER()->GetSelection(aStartSel, aEndSel);
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}
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//--------------------------------------------------------------
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void nsTextWidget::AggTextWidget::SetCaretPosition(PRUint32 aPosition)
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{
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GET_OUTER()->SetCaretPosition(aPosition);
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}
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//--------------------------------------------------------------
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PRUint32 nsTextWidget::AggTextWidget::GetCaretPosition()
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{
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return GET_OUTER()->GetCaretPosition();
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}
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PRBool nsTextWidget::AggTextWidget::AutoErase()
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{
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return GET_OUTER()->AutoErase();
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}
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//----------------------------------------------------------------------
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BASE_IWIDGET_IMPL(nsTextWidget, AggTextWidget);
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