fceux/drivers/win/memviewsp.cpp

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/* FCEUXD SP - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2005 Sebastian Porst
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <windows.h>
#include <string.h>
#include <stdio.h>
#include <assert.h>
#include "memviewsp.h"
#include "common.h"
HexBookmark hexBookmarks[64];
int nextBookmark = 0;
/**
* Finds the bookmark for a given address
*
* @param address The address to find.
* @return The index of the bookmark at that address or -1 if there's no bookmark at that address.
**/
int findBookmark(unsigned int address)
{
int i;
if (address > 0xFFFF)
{
MessageBox(0, "Error: Invalid address was specified as parameter to findBookmark", "Error", MB_OK | MB_ICONERROR);
return -1;
}
for (i=0;i<nextBookmark;i++)
{
if (hexBookmarks[i].address == address)
return i;
}
return -1;
}
char bookmarkDescription[51] = {0};
BOOL CenterWindow(HWND hwndDlg);
/**
* Callback function for the name bookmark dialog
**/
BOOL CALLBACK nameBookmarkCallB(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch (uMsg)
{
case WM_INITDIALOG:
// Limit bookmark descriptions to 50 characters
SendDlgItemMessage(hwndDlg,1000,EM_SETLIMITTEXT,50,0);
// Put the current bookmark description into the edit field
// and set focus to that edit field.
SetDlgItemText(hwndDlg, 1000, bookmarkDescription);
SetFocus(GetDlgItem(hwndDlg, 1000));
break;
case WM_CLOSE:
case WM_QUIT:
// Update the bookmark description
GetDlgItemText(hwndDlg, 1000, bookmarkDescription, 50);
EndDialog(hwndDlg, 0);
break;
case WM_COMMAND:
switch(HIWORD(wParam))
{
case BN_CLICKED:
switch(LOWORD(wParam))
{
case 1001:
SendMessage(hwndDlg, WM_QUIT, 0, 0);
break;
}
}
}
return FALSE;
}
/**
* Attempts to add a new bookmark to the bookmark list.
*
* @param hwnd HWND of the FCEU window
* @param address Address of the new bookmark
* @return Returns 0 if everything's OK and an error flag otherwise.
**/
int addBookmark(HWND hwnd, unsigned int address)
{
// Enforce a maximum of 64 bookmarks
if (nextBookmark < 64)
{
sprintf(bookmarkDescription, "%04X", address);
// Show the bookmark name dialog
DialogBox(fceu_hInstance,"NAMEBOOKMARKDLG",hwnd,nameBookmarkCallB);
// Update the bookmark description
hexBookmarks[nextBookmark].address = address;
strcpy(hexBookmarks[nextBookmark].description, bookmarkDescription);
nextBookmark++;
return 0;
}
else
{
return 1;
}
}
/**
* Removes a bookmark from the bookmark list
*
* @param index Index of the bookmark to remove
**/
void removeBookmark(unsigned int index)
{
// TODO: Range checking
// At this point it's necessary to move the content of the bookmark list
unsigned int i;
for (i=index;i<nextBookmark - 1;i++)
{
hexBookmarks[i] = hexBookmarks[i+1];
}
--nextBookmark;
}
/**
* Adds or removes a bookmark from a given address
*
* @param hwnd HWND of the emu window
* @param address Address of the bookmark
**/
int toggleBookmark(HWND hwnd, unsigned int address)
{
int val = findBookmark(address);
// If there's no bookmark at the given address add one.
if (val == -1)
{
return addBookmark(hwnd, address);
}
else // else remove the bookmark
{
removeBookmark(val);
return 0;
}
}
/**
* Updates the bookmark menu in the hex window
*
* @param menu Handle of the bookmark menu
**/
void updateBookmarkMenus(HMENU menu)
{
int i;
MENUITEMINFO mi;
mi.cbSize = sizeof(MENUITEMINFO);
mi.fMask = MIIM_TYPE | MIIM_ID | MIIM_DATA;
mi.fType = MF_STRING;
// Remove all bookmark menus
for (i = 0;i<nextBookmark + 1;i++)
{
RemoveMenu(menu, 30 + i, MF_BYCOMMAND);
}
// Add the menus again
for (i = 0;i<nextBookmark;i++)
{
// Get the text of the menu
char buffer[100];
sprintf(buffer, i < 10 ? "$%04X - %s\tCTRL-%d" : "$%04X - %s", hexBookmarks[i].address, hexBookmarks[i].description, i);
mi.dwTypeData = buffer;
mi.cch = strlen(buffer);
mi.wID = 30 + i;
InsertMenuItem(menu, 2 + i , TRUE, &mi);
}
}
/**
* Returns the address to scroll to if a given bookmark was activated
*
* @param bookmark Index of the bookmark
* @return The address to scroll to or -1 if the bookmark index is invalid.
**/
int handleBookmarkMenu(unsigned int bookmark)
{
if (bookmark < nextBookmark)
{
return hexBookmarks[bookmark].address - (hexBookmarks[bookmark].address % 0x10);
}
return -1;
}
/**
* Removes all bookmarks
*
* @param menu Handle of the bookmark menu
**/
void removeAllBookmarks(HMENU menu)
{
unsigned int i;
for (i = 0;i<nextBookmark;i++)
{
RemoveMenu(menu, 30 + i, MF_BYCOMMAND);
}
nextBookmark = 0;
}