saari%netscape.com 6f9e4dc415 Access key support stubs on Mac and GTK
git-svn-id: svn://10.0.0.236/trunk@37934 18797224-902f-48f8-a5cc-f745e15eee43
1999-07-02 02:11:30 +00:00

639 lines
19 KiB
C++

/* -*- Mode: C++; tab-width: 2; 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 "nsMenu.h"
#include "nsIMenu.h"
#include "nsIMenuBar.h"
#include "nsIMenuItem.h"
#include "nsString.h"
#include "nsStringUtil.h"
#include "nsIMenuListener.h"
#if defined(XP_MAC)
#include <Appearance.h>
#include <TextUtils.h>
#include <ToolUtils.h>
#include <Devices.h>
#include <UnicodeConverter.h>
#include <Fonts.h>
#endif
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIMenuIID, NS_IMENU_IID);
static NS_DEFINE_IID(kIMenuBarIID, NS_IMENUBAR_IID);
static NS_DEFINE_IID(kIMenuItemIID, NS_IMENUITEM_IID);
#ifdef APPLE_MENU_HACK
const PRInt16 kAppleMenuID = 1;
const PRInt16 kMacMenuID = 2;
#else
const PRInt16 kMacMenuID = 1;
#endif /* APPLE_MENU_HACK */
PRInt16 mMacMenuIDCount = kMacMenuID;
nsresult nsMenu::QueryInterface(REFNSIID aIID, void** aInstancePtr)
{
if (NULL == aInstancePtr) {
return NS_ERROR_NULL_POINTER;
}
*aInstancePtr = NULL;
if (aIID.Equals(kIMenuIID)) {
*aInstancePtr = (void*)(nsIMenu*) this;
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(kISupportsIID)) {
*aInstancePtr = (void*)this;
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(kIMenuListenerIID)) {
*aInstancePtr = (void*) ((nsIMenuListener*)this);
NS_ADDREF_THIS();
return NS_OK;
}
return NS_NOINTERFACE;
}
NS_IMPL_ADDREF(nsMenu)
NS_IMPL_RELEASE(nsMenu)
//-------------------------------------------------------------------------
//
// nsMenu constructor
//
//-------------------------------------------------------------------------
nsMenu::nsMenu() : nsIMenu()
{
NS_INIT_REFCNT();
mNumMenuItems = 0;
mMenuParent = nsnull;
mMenuBarParent = nsnull;
mMacMenuID = 0;
mMacMenuHandle = nsnull;
mListener = nsnull;
//
// create a multi-destination Unicode converter which can handle all of the installed
// script systems
//
OSErr err = ::CreateUnicodeToTextRunInfoByScriptCode(0,NULL,&mUnicodeTextRunConverter);
NS_ASSERTION(err==noErr,"nsMenu::nsMenu: CreateUnicodeToTextRunInfoByScriptCode failed.");
}
//-------------------------------------------------------------------------
//
// nsMenu destructor
//
//-------------------------------------------------------------------------
nsMenu::~nsMenu()
{
OSErr err;
NS_IF_RELEASE(mListener);
while(mNumMenuItems)
{
--mNumMenuItems;
if(mMenuItemVoidArray[mNumMenuItems]) {
// Figure out what we're releasing
nsIMenuItem * menuitem = nsnull;
((nsISupports*)mMenuItemVoidArray[mNumMenuItems])->QueryInterface(kIMenuItemIID, (void**) &menuitem);
if(menuitem)
{
// case menuitem
menuitem->Release(); // Release our hold
NS_IF_RELEASE(menuitem); // Balance QI
}
else
{
nsIMenu * menu = nsnull;
((nsISupports*)mMenuItemVoidArray[mNumMenuItems])->QueryInterface(kIMenuIID, (void**) &menu);
if(menu)
{
// case menu
menu->Release(); // Release our hold
NS_IF_RELEASE(menu); // Balance QI
}
}
}
}
err = ::DisposeUnicodeToTextRunInfo(&mUnicodeTextRunConverter);
NS_ASSERTION(err==noErr,"nsMenu::~nsMenu: DisposeUnicodeToTextRunInfo failed.");
}
//-------------------------------------------------------------------------
//
// Create the proper widget
//
//-------------------------------------------------------------------------
NS_METHOD nsMenu::Create(nsISupports *aParent, const nsString &aLabel)
{
if(aParent)
{
nsIMenuBar * menubar = nsnull;
aParent->QueryInterface(kIMenuBarIID, (void**) &menubar);
if(menubar)
{
mMenuBarParent = menubar;;
NS_RELEASE(menubar); // Balance the QI
}
else
{
nsIMenu * menu = nsnull;
aParent->QueryInterface(kIMenuIID, (void**) &menu);
{
mMenuParent = menu;
NS_RELEASE(menu); // Balance the QI
}
}
}
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetParent(nsISupports*& aParent)
{
aParent = nsnull;
if (nsnull != mMenuParent) {
return mMenuParent->QueryInterface(kISupportsIID,(void**)&aParent);
} else if (nsnull != mMenuBarParent) {
return mMenuBarParent->QueryInterface(kISupportsIID,(void**)&aParent);
}
return NS_ERROR_FAILURE;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetLabel(nsString &aText)
{
aText = mLabel;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::SetLabel(const nsString &aText)
{
mLabel = aText;
mMacMenuHandle = NSStringNewMenu(mMacMenuIDCount,mLabel);
mMacMenuID = mMacMenuIDCount;
mMacMenuIDCount++;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetAccessKey(nsString &aText)
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::SetAccessKey(const nsString &aText)
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::AddItem(nsISupports* aItem)
{
if(aItem)
{
// Figure out what we're adding
nsIMenuItem * menuitem = nsnull;
aItem->QueryInterface(kIMenuItemIID, (void**) &menuitem);
if(menuitem)
{
// case menuitem
AddMenuItem(menuitem);
NS_RELEASE(menuitem);
}
else
{
nsIMenu * menu = nsnull;
aItem->QueryInterface(kIMenuIID, (void**) &menu);
if(menu)
{
// case menu
AddMenu(menu);
NS_RELEASE(menu);
}
}
}
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::AddMenuItem(nsIMenuItem * aMenuItem)
{
if(aMenuItem) {
nsISupports * supports = nsnull;
aMenuItem->QueryInterface(kISupportsIID, (void**)&supports);
if(supports) {
mMenuItemVoidArray.AppendElement(supports);
nsString label;
aMenuItem->GetLabel(label);
mNumMenuItems++;
Str255 tmp = "\pa";
::InsertMenuItem(mMacMenuHandle, tmp, mNumMenuItems);
NSStringSetMenuItemText(mMacMenuHandle, mNumMenuItems,label);
}
}
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::AddMenu(nsIMenu * aMenu)
{
// Add a submenu
if(aMenu) {
nsISupports * supports = nsnull;
aMenu->QueryInterface(kISupportsIID, (void**)&supports);
if(supports) {
mMenuItemVoidArray.AppendElement(supports);
// We have to add it as a menu item and then associate it with the item
nsString label;
aMenu->GetLabel(label);
mNumMenuItems++;
::InsertMenuItem(mMacMenuHandle, "\p ", mNumMenuItems);
NSStringSetMenuItemText(mMacMenuHandle, mNumMenuItems, label);
MenuHandle menuHandle;
aMenu->GetNativeData((void**)&menuHandle);
::InsertMenu(menuHandle, hierMenu);
PRInt16 temp = mMacMenuIDCount;
::SetMenuItemHierarchicalID((MenuHandle) mMacMenuHandle, mNumMenuItems, --temp);
}
}
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::AddSeparator()
{
// HACK - We're not really appending an nsMenuItem but it
// needs to be here to make sure that event dispatching isn't off by one.
mMenuItemVoidArray.AppendElement(nsnull);
::InsertMenuItem(mMacMenuHandle, "\p(-", mNumMenuItems );
mNumMenuItems++;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetItemCount(PRUint32 &aCount)
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetItemAt(const PRUint32 aPos, nsISupports *& aMenuItem)
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::InsertItemAt(const PRUint32 aPos, nsISupports * aMenuItem)
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::RemoveItem(const PRUint32 aPos)
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::RemoveAll()
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetNativeData(void ** aData)
{
*aData = mMacMenuHandle;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::AddMenuListener(nsIMenuListener * aMenuListener)
{
mListener = aMenuListener;
//NS_ADDREF(mListener);
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::RemoveMenuListener(nsIMenuListener * aMenuListener)
{
if (aMenuListener == mListener) {
//NS_IF_RELEASE(mListener);
}
return NS_OK;
}
//-------------------------------------------------------------------------
//
// nsIMenuListener interface
//
//-------------------------------------------------------------------------
nsEventStatus nsMenu::MenuItemSelected(const nsMenuEvent & aMenuEvent)
{
nsEventStatus eventStatus = nsEventStatus_eIgnore;
// Determine if this is the correct menu to handle the event
PRInt16 menuID = HiWord(((nsMenuEvent)aMenuEvent).mCommand);
if(mMacMenuID == menuID)
{
// Call MenuSelected on the correct nsMenuItem
PRInt16 menuItemID = LoWord(((nsMenuEvent)aMenuEvent).mCommand);
nsIMenuListener * menuListener = nsnull;
((nsIMenuItem*)mMenuItemVoidArray[menuItemID-1])->QueryInterface(kIMenuListenerIID, &menuListener);
if(menuListener) {
eventStatus = menuListener->MenuSelected(aMenuEvent);
NS_IF_RELEASE(menuListener);
}
}
else
{
// Make sure none of our submenus are the ones that should be handling this
for (int i = mMenuItemVoidArray.Count(); i > 0; i--)
{
if(nsnull != mMenuItemVoidArray[i-1])
{
nsIMenu * submenu = nsnull;
((nsISupports*)mMenuItemVoidArray[i-1])->QueryInterface(kIMenuIID, &submenu);
if(submenu)
{
nsIMenuListener * menuListener = nsnull;
((nsISupports*)mMenuItemVoidArray[i-1])->QueryInterface(kIMenuListenerIID, &menuListener);
if(menuListener){
eventStatus = menuListener->MenuSelected(aMenuEvent);
NS_IF_RELEASE(menuListener);
if(nsEventStatus_eIgnore != eventStatus)
return eventStatus;
}
}
}
}
}
return eventStatus;
}
nsEventStatus nsMenu::MenuSelected(const nsMenuEvent & aMenuEvent)
{
nsEventStatus eventStatus = nsEventStatus_eIgnore;
// Determine if this is the correct menu to handle the event
PRInt16 menuID = HiWord(((nsMenuEvent)aMenuEvent).mCommand);
#ifdef APPLE_MENU_HACK
if(kAppleMenuID == menuID)
{
PRInt16 menuItemID = LoWord(((nsMenuEvent)aMenuEvent).mCommand);
if (menuItemID > 2) // don't handle the about or separator items yet
{
Str255 itemStr;
::GetMenuItemText(GetMenuHandle(menuID), menuItemID, itemStr);
#if !TARGET_CARBON
::OpenDeskAcc(itemStr);
#endif
eventStatus = nsEventStatus_eConsumeNoDefault;
}
}
else
#endif
if(mMacMenuID == menuID)
{
// Call MenuSelected on the correct nsMenuItem
PRInt16 menuItemID = LoWord(((nsMenuEvent)aMenuEvent).mCommand);
nsIMenuListener * menuListener = nsnull;
((nsIMenuItem*)mMenuItemVoidArray[menuItemID-1])->QueryInterface(kIMenuListenerIID, &menuListener);
if(menuListener) {
eventStatus = menuListener->MenuSelected(aMenuEvent);
NS_IF_RELEASE(menuListener);
}
}
else
{
// Make sure none of our submenus are the ones that should be handling this
for (int i = mMenuItemVoidArray.Count(); i > 0; i--)
{
if(nsnull != mMenuItemVoidArray[i-1])
{
nsIMenu * submenu = nsnull;
((nsISupports*)mMenuItemVoidArray[i-1])->QueryInterface(kIMenuIID, &submenu);
if(submenu)
{
nsIMenuListener * menuListener = nsnull;
((nsISupports*)mMenuItemVoidArray[i-1])->QueryInterface(kIMenuListenerIID, &menuListener);
if(menuListener){
eventStatus = menuListener->MenuSelected(aMenuEvent);
NS_IF_RELEASE(menuListener);
if(nsEventStatus_eIgnore != eventStatus)
return eventStatus;
}
}
}
}
}
return eventStatus;
}
//-------------------------------------------------------------------------
nsEventStatus nsMenu::MenuDeselected(const nsMenuEvent & aMenuEvent)
{
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
nsEventStatus nsMenu::MenuConstruct(
const nsMenuEvent & aMenuEvent,
nsIWidget * aParentWindow,
void * menuNode,
void * aWebShell)
{
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
nsEventStatus nsMenu::MenuDestruct(const nsMenuEvent & aMenuEvent)
{
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
/**
* Set DOMNode
*
*/
NS_METHOD nsMenu::SetDOMNode(nsIDOMNode * aMenuNode)
{
return NS_OK;
}
//-------------------------------------------------------------------------
/**
* Set DOMElement
*
*/
NS_METHOD nsMenu::SetDOMElement(nsIDOMElement * aMenuElement)
{
return NS_OK;
}
//-------------------------------------------------------------------------
/**
* Set WebShell
*
*/
NS_METHOD nsMenu::SetWebShell(nsIWebShell * aWebShell)
{
return NS_OK;
}
//-------------------------------------------------------------------------
/**
* Set WebShell
*
*/
void nsMenu::NSStringSetMenuItemText(MenuHandle macMenuHandle, short menuItem, nsString& menuString)
{
OSErr err;
const PRUnichar* unicodeText;
char* scriptRunText;
size_t unicodeTextLengthInBytes, unicdeTextReadInBytes,
scriptRunTextSizeInBytes, scriptRunTextLengthInBytes,
scriptCodeRunListLength;
ScriptCodeRun convertedTextScript;
short themeFontID;
Str255 themeFontName;
SInt16 themeFontSize;
Style themeFontStyle;
//
// extract the Unicode text from the nsString and convert it into a single script run
//
unicodeText = menuString.GetUnicode();
unicodeTextLengthInBytes = menuString.Length() * sizeof(PRUnichar);
scriptRunTextSizeInBytes = unicodeTextLengthInBytes * 2;
scriptRunText = new char[scriptRunTextSizeInBytes];
err = ::ConvertFromUnicodeToScriptCodeRun(mUnicodeTextRunConverter,
unicodeTextLengthInBytes,unicodeText,
0, /* no flags*/
0,NULL,NULL,NULL, /* no offset arrays */
scriptRunTextSizeInBytes,&unicdeTextReadInBytes,&scriptRunTextLengthInBytes,
scriptRunText,
1 /* count of script runs*/,&scriptCodeRunListLength,&convertedTextScript);
NS_ASSERTION(err==noErr,"nsMenu::NSStringSetMenuItemText: ConvertFromUnicodeToScriptCodeRun failed.");
if (err!=noErr) { delete [] scriptRunText; return; }
scriptRunText[scriptRunTextLengthInBytes] = 0; // null terminate
//
// get a font from the script code
//
err = ::GetThemeFont(kThemeSystemFont,convertedTextScript.script,themeFontName,&themeFontSize,&themeFontStyle);
NS_ASSERTION(err==noErr,"nsMenu::NSStringSetMenuItemText: GetThemeFont failed.");
if (err!=noErr) { delete [] scriptRunText; return; }
::GetFNum(themeFontName,&themeFontID);
err = ::SetMenuItemFontID(macMenuHandle,menuItem,themeFontID);
NS_ASSERTION(err==noErr,"nsMenu::NSStringSetMenuItemText: SetMenuItemFontID failed.");
::SetMenuItemText(macMenuHandle,menuItem,c2pstr(scriptRunText));
//
// clean up and exit
//
delete [] scriptRunText;
}
MenuHandle nsMenu::NSStringNewMenu(short menuID, nsString& menuTitle)
{
OSErr err;
const PRUnichar* unicodeText;
char* scriptRunText;
size_t unicodeTextLengthInBytes, unicdeTextReadInBytes,
scriptRunTextSizeInBytes, scriptRunTextLengthInBytes,
scriptCodeRunListLength;
ScriptCodeRun convertedTextScript;
short themeFontID;
Str255 themeFontName;
SInt16 themeFontSize;
Style themeFontStyle;
MenuHandle newMenuHandle;
//
// extract the Unicode text from the nsString and convert it into a single script run
//
unicodeText = menuTitle.GetUnicode();
unicodeTextLengthInBytes = menuTitle.Length() * sizeof(PRUnichar);
scriptRunTextSizeInBytes = unicodeTextLengthInBytes * 2;
scriptRunText = new char[scriptRunTextSizeInBytes];
err = ::ConvertFromUnicodeToScriptCodeRun(mUnicodeTextRunConverter,
unicodeTextLengthInBytes,unicodeText,
0, /* no flags*/
0,NULL,NULL,NULL, /* no offset arrays */
scriptRunTextSizeInBytes,&unicdeTextReadInBytes,&scriptRunTextLengthInBytes,
scriptRunText,
1 /* count of script runs*/,&scriptCodeRunListLength,&convertedTextScript);
NS_ASSERTION(err==noErr,"nsMenu::NSStringNewMenu: ConvertFromUnicodeToScriptCodeRun failed.");
if (err!=noErr) { delete [] scriptRunText; return NULL; }
scriptRunText[scriptRunTextLengthInBytes] = 0; // null terminate
//
// get a font from the script code
//
err = ::GetThemeFont(kThemeSystemFont,convertedTextScript.script,themeFontName,&themeFontSize,&themeFontStyle);
NS_ASSERTION(err==noErr,"nsMenu::NSStringNewMenu: GetThemeFont failed.");
if (err!=noErr) { delete [] scriptRunText; return NULL; }
::GetFNum(themeFontName,&themeFontID);
newMenuHandle = ::NewMenu(menuID,c2pstr(scriptRunText));
NS_ASSERTION(newMenuHandle!=NULL,"nsMenu::NSStringNewMenu: NewMenu failed.");
if (newMenuHandle==NULL) { delete [] scriptRunText; return NULL; }
err = SetMenuFont(newMenuHandle,themeFontID,themeFontSize);
NS_ASSERTION(err==noErr,"nsMenu::NSStringNewMenu: SetMenuFont failed.");
if (err!=noErr) { delete [] scriptRunText; return NULL; }
//
// clean up and exit
//
delete [] scriptRunText;
return newMenuHandle;
}