/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- * * The contents of this file are subject to the Netscape Public License * Version 1.0 (the "NPL"); you may not use this file except in * compliance with the NPL. You may obtain a copy of the NPL at * http://www.mozilla.org/NPL/ * * Software distributed under the NPL is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL * for the specific language governing rights and limitations under the * NPL. * * The Initial Developer of this code under the NPL is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All Rights * Reserved. */ #include "nsEditorEventListeners.h" #include "nsEditor.h" #include "CreateElementTxn.h" #include "nsIDOMDocument.h" #include "nsIDOMElement.h" #include "nsIDOMCharacterData.h" #include "nsIEditProperty.h" #include "nsISupportsArray.h" #include "nsString.h" #include "nsIStringStream.h" #ifdef NS_DEBUG #ifdef EDITOR_SELFTEST #include "TextEditorTest.h" #endif #endif static NS_DEFINE_IID(kIDOMElementIID, NS_IDOMELEMENT_IID); static NS_DEFINE_IID(kIDOMCharacterDataIID, NS_IDOMCHARACTERDATA_IID); #ifdef NEW_CLIPBOARD_SUPPORT // Drag & Drop, Clipboard #include "nsIServiceManager.h" #include "nsWidgetsCID.h" #include "nsIClipboard.h" #include "nsIDragService.h" #include "nsITransferable.h" #include "nsIGenericTransferable.h" #include "nsIDataFlavor.h" #include "nsIFormatConverter.h" // Drag & Drop, Clipboard Support static NS_DEFINE_IID(kIClipboardIID, NS_ICLIPBOARD_IID); static NS_DEFINE_CID(kCClipboardCID, NS_CLIPBOARD_CID); static NS_DEFINE_IID(kIDragServiceIID, NS_IDRAGSERVICE_IID); static NS_DEFINE_CID(kCDragServiceCID, NS_DRAGSERVICE_CID); static NS_DEFINE_IID(kIGenericTransferableIID, NS_IGENERICTRANSFERABLE_IID); static NS_DEFINE_CID(kCGenericTransferableCID, NS_GENERICTRANSFERABLE_CID); static NS_DEFINE_IID(kIDataFlavorIID, NS_IDATAFLAVOR_IID); static NS_DEFINE_IID(kCDataFlavorCID, NS_DATAFLAVOR_CID); static NS_DEFINE_IID(kCXIFFormatConverterCID, NS_XIFFORMATCONVERTER_CID); static NS_DEFINE_IID(kIFormatConverterIID, NS_IFORMATCONVERTER_IID); #endif /* * nsTextEditorKeyListener implementation */ NS_IMPL_ADDREF(nsTextEditorKeyListener) NS_IMPL_RELEASE(nsTextEditorKeyListener) nsTextEditorKeyListener::nsTextEditorKeyListener() { NS_INIT_REFCNT(); } nsTextEditorKeyListener::~nsTextEditorKeyListener() { } nsresult nsTextEditorKeyListener::QueryInterface(REFNSIID aIID, void** aInstancePtr) { if (nsnull == aInstancePtr) { return NS_ERROR_NULL_POINTER; } static NS_DEFINE_IID(kIDOMKeyListenerIID, NS_IDOMKEYLISTENER_IID); static NS_DEFINE_IID(kIDOMEventListenerIID, NS_IDOMEVENTLISTENER_IID); static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID); if (aIID.Equals(kISupportsIID)) { *aInstancePtr = (void*)(nsISupports*)this; NS_ADDREF_THIS(); return NS_OK; } if (aIID.Equals(kIDOMEventListenerIID)) { *aInstancePtr = (void*)(nsIDOMEventListener*)this; NS_ADDREF_THIS(); return NS_OK; } if (aIID.Equals(kIDOMKeyListenerIID)) { *aInstancePtr = (void*)(nsIDOMKeyListener*)this; NS_ADDREF_THIS(); return NS_OK; } return NS_NOINTERFACE; } nsresult nsTextEditorKeyListener::HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; } #define HAVE_EVENT_CHARCODE // on when we have the charCode in the event nsresult nsTextEditorKeyListener::GetCharFromKeyCode(PRUint32 aKeyCode, PRBool aIsShift, char *aChar) { /* This is completely temporary to get this working while I check out Unicode conversion code. */ #ifdef XP_MAC if (aChar) { *aChar = (char)aKeyCode; return NS_OK; } #else if (aKeyCode >= 0x41 && aKeyCode <= 0x5A) { if (aIsShift) { *aChar = (char)aKeyCode; } else { *aChar = (char)(aKeyCode + 0x20); } return NS_OK; } else if ((aKeyCode >= 0x30 && aKeyCode <= 0x39) || aKeyCode == 0x20) { *aChar = (char)aKeyCode; return NS_OK; } #endif return NS_ERROR_FAILURE; } nsresult nsTextEditorKeyListener::KeyDown(nsIDOMEvent* aKeyEvent) { PRUint32 keyCode; PRBool isShift; PRBool ctrlKey; if (NS_SUCCEEDED(aKeyEvent->GetKeyCode(&keyCode)) && NS_SUCCEEDED(aKeyEvent->GetShiftKey(&isShift)) && NS_SUCCEEDED(aKeyEvent->GetCtrlKey(&ctrlKey)) ) { PRBool keyProcessed; ProcessShortCutKeys(aKeyEvent, keyProcessed); if (PR_FALSE==keyProcessed) { switch(keyCode) { case nsIDOMEvent::VK_BACK: mEditor->DeleteSelection(nsIEditor::eRTL); break; case nsIDOMEvent::VK_DELETE: mEditor->DeleteSelection(nsIEditor::eLTR); break; case nsIDOMEvent::VK_RETURN: //case nsIDOMEvent::VK_ENTER: // why does this not exist? // Need to implement creation of either
or
nodes.
mEditor->InsertBreak();
break;
case nsIDOMEvent::VK_LEFT:
case nsIDOMEvent::VK_RIGHT:
case nsIDOMEvent::VK_UP:
case nsIDOMEvent::VK_DOWN:
// these have already been handled in nsRangeList. Why are we getting them
// again here (Mac)? In switch to avoid putting in bogus chars.
break;
case nsIDOMEvent::VK_HOME:
case nsIDOMEvent::VK_END:
case nsIDOMEvent::VK_PAGE_UP:
case nsIDOMEvent::VK_PAGE_DOWN:
// who handles these?
#if DEBUG
printf("Key not handled\n");
#endif
break;
default:
{
nsAutoString key;
#ifdef HAVE_EVENT_CHARCODE
PRUint32 character;
// do we convert to Unicode here, or has this already been done? (sfraser)
if (NS_SUCCEEDED(aKeyEvent->GetCharCode(&character)))
{
key += character;
if (0!=character)
mEditor->InsertText(key);
}
#else
char character;
// XXX Replace with x-platform NS-virtkeycode transform.
if (NS_OK == GetCharFromKeyCode(keyCode, isShift, & character)) {
if (0!=character)
{
nsAutoString key;
key += character;
if (!isShift) {
key.ToLowerCase();
}
mEditor->InsertText(key);
}
}
#endif
}
break;
}
}
}
return NS_ERROR_BASE;
}
nsresult
nsTextEditorKeyListener::KeyUp(nsIDOMEvent* aKeyEvent)
{
return NS_OK;
}
nsresult
nsTextEditorKeyListener::KeyPress(nsIDOMEvent* aKeyEvent)
{
return NS_OK;
}
/* these includes are for debug only. this module should never instantiate it's own transactions */
#include "SplitElementTxn.h"
#include "TransactionFactory.h"
static NS_DEFINE_IID(kSplitElementTxnIID, SPLIT_ELEMENT_TXN_IID);
nsresult
nsTextEditorKeyListener::ProcessShortCutKeys(nsIDOMEvent* aKeyEvent, PRBool& aProcessed)
{
aProcessed=PR_FALSE;
PRUint32 keyCode;
PRBool isShift;
PRBool ctrlKey;
PRBool altKey;
if (NS_SUCCEEDED(aKeyEvent->GetKeyCode(&keyCode)) &&
NS_SUCCEEDED(aKeyEvent->GetShiftKey(&isShift)) &&
NS_SUCCEEDED(aKeyEvent->GetCtrlKey(&ctrlKey)) &&
NS_SUCCEEDED(aKeyEvent->GetAltKey(&altKey))
)
{
// XXX: please please please get these mappings from an external source!
switch (keyCode)
{
// XXX: hard-coded select all
case nsIDOMEvent::VK_A:
if (PR_TRUE==ctrlKey)
{
aProcessed=PR_TRUE;
if (mEditor)
mEditor->SelectAll();
}
break;
// XXX: hard-coded cut
case nsIDOMEvent::VK_X:
if (PR_TRUE==ctrlKey)
{
aProcessed=PR_TRUE;
if (mEditor)
mEditor->Cut();
}
break;
// XXX: hard-coded copy
case nsIDOMEvent::VK_C:
if (PR_TRUE==ctrlKey)
{
aProcessed=PR_TRUE;
if (mEditor)
mEditor->Copy();
}
break;
// XXX: hard-coded paste
case nsIDOMEvent::VK_V:
if (PR_TRUE==ctrlKey)
{
printf("control-v\n");
aProcessed=PR_TRUE;
if (mEditor)
mEditor->Paste();
}
break;
// XXX: hard-coded undo
case nsIDOMEvent::VK_Z:
if (PR_TRUE==ctrlKey)
{
aProcessed=PR_TRUE;
if (mEditor)
mEditor->Undo(1);
}
break;
// XXX: hard-coded redo
case nsIDOMEvent::VK_Y:
if (PR_TRUE==ctrlKey)
{
aProcessed=PR_TRUE;
if (mEditor)
mEditor->Redo(1);
}
break;
// hard-coded ChangeTextAttributes test -- italics
case nsIDOMEvent::VK_I:
if (PR_TRUE==ctrlKey)
{
aProcessed=PR_TRUE;
if (mEditor)
{
// XXX: move this logic down into texteditor rules delegate
// should just call mEditor->ChangeTextProperty(prop)
PRBool any = PR_FALSE;
PRBool all = PR_FALSE;
PRBool first = PR_FALSE;
mEditor->GetTextProperty(nsIEditProperty::i, nsnull, nsnull, first, any, all);
if (PR_FALSE==first) {
mEditor->SetTextProperty(nsIEditProperty::i, nsnull, nsnull);
}
else {
mEditor->RemoveTextProperty(nsIEditProperty::i, nsnull);
}
}
}
// Hardcoded Insert Arbitrary HTML
else if (PR_TRUE==altKey)
{
printf("Trying to insert HTML\n");
aProcessed=PR_TRUE;
if (mEditor)
{
nsString nsstr ("This is bold and emphasized");
nsresult res = mEditor->Insert(nsstr);
if (!NS_SUCCEEDED(res))
printf("nsTextEditor::Insert(string) failed\n");
}
}
break;
// hard-coded ChangeTextAttributes test -- bold
case nsIDOMEvent::VK_B:
if (PR_TRUE==ctrlKey)
{
aProcessed=PR_TRUE;
if (mEditor)
{
// XXX: move this logic down into texteditor rules delegate
// should just call mEditor->ChangeTextProperty(prop)
PRBool any = PR_FALSE;
PRBool all = PR_FALSE;
PRBool first = PR_FALSE;
mEditor->GetTextProperty(nsIEditProperty::b, nsnull, nsnull, first, any, all);
if (PR_FALSE==first) {
mEditor->SetTextProperty(nsIEditProperty::b, nsnull, nsnull);
}
else {
mEditor->RemoveTextProperty(nsIEditProperty::b, nsnull);
}
}
}
break;
// hard-coded ChangeTextAttributes test -- underline
case nsIDOMEvent::VK_U:
if (PR_TRUE==ctrlKey)
{
aProcessed=PR_TRUE;
if (mEditor)
{
// XXX: move this logic down into texteditor rules delegate
// should just call mEditor->ChangeTextProperty(prop)
PRBool any = PR_FALSE;
PRBool all = PR_FALSE;
PRBool first = PR_FALSE;
mEditor->GetTextProperty(nsIEditProperty::u, nsnull, nsnull, first, any, all);
if (PR_FALSE==first) {
mEditor->SetTextProperty(nsIEditProperty::u, nsnull, nsnull);
}
else {
mEditor->RemoveTextProperty(nsIEditProperty::u, nsnull);
}
}
}
break;
// hard-coded ChangeTextAttributes test -- font color red
case nsIDOMEvent::VK_1:
if (PR_TRUE==ctrlKey)
{
aProcessed=PR_TRUE;
if (mEditor)
{
// XXX: move this logic down into texteditor rules delegate
// should just call mEditor->ChangeTextProperty(prop)
PRBool any = PR_FALSE;
PRBool all = PR_FALSE;
PRBool first = PR_FALSE;
nsAutoString color = "COLOR";
nsAutoString value = "red";
mEditor->SetTextProperty(nsIEditProperty::font, &color, &value);
}
}
break;
// hard-coded ChangeTextAttributes test -- font color green
case nsIDOMEvent::VK_2:
if (PR_TRUE==ctrlKey)
{
aProcessed=PR_TRUE;
if (mEditor)
{
// XXX: move this logic down into texteditor rules delegate
// should just call mEditor->ChangeTextProperty(prop)
PRBool any = PR_FALSE;
PRBool all = PR_FALSE;
PRBool first = PR_FALSE;
nsAutoString color = "COLOR";
nsAutoString value = "green";
mEditor->SetTextProperty(nsIEditProperty::font, &color, &value);
}
}
break;
#ifdef NS_DEBUG
#ifdef EDITOR_SELFTEST
// hard-coded Text Editor Unit Test
case nsIDOMEvent::VK_T:
if (PR_TRUE==ctrlKey)
{
aProcessed=PR_TRUE;
if (mEditor)
{
TextEditorTest *tester = new TextEditorTest();
if (tester)
{
tester->Run(mEditor);
}
}
}
break;
#endif
#endif
}
}
return NS_OK;
}
/*
* nsTextEditorMouseListener implementation
*/
NS_IMPL_ADDREF(nsTextEditorMouseListener)
NS_IMPL_RELEASE(nsTextEditorMouseListener)
nsTextEditorMouseListener::nsTextEditorMouseListener()
{
NS_INIT_REFCNT();
}
nsTextEditorMouseListener::~nsTextEditorMouseListener()
{
}
nsresult
nsTextEditorMouseListener::QueryInterface(REFNSIID aIID, void** aInstancePtr)
{
if (nsnull == aInstancePtr) {
return NS_ERROR_NULL_POINTER;
}
static NS_DEFINE_IID(kIDOMMouseListenerIID, NS_IDOMMOUSELISTENER_IID);
static NS_DEFINE_IID(kIDOMEventListenerIID, NS_IDOMEVENTLISTENER_IID);
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
if (aIID.Equals(kISupportsIID)) {
*aInstancePtr = (void*)(nsISupports*)this;
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(kIDOMEventListenerIID)) {
*aInstancePtr = (void*)(nsIDOMEventListener*)this;
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(kIDOMMouseListenerIID)) {
*aInstancePtr = (void*)(nsIDOMMouseListener*)this;
NS_ADDREF_THIS();
return NS_OK;
}
return NS_NOINTERFACE;
}
nsresult
nsTextEditorMouseListener::HandleEvent(nsIDOMEvent* aEvent)
{
return NS_OK;
}
nsresult
nsTextEditorMouseListener::MouseDown(nsIDOMEvent* aMouseEvent)
{
nsCOMPtr