/***************************************************************************

  M.A.M.E.32  -  Multiple Arcade Machine Emulator for Win32
  Win32 Portions Copyright (C) 1997-2003 Michael Soderstrom and Chris Kirmse

  This file is part of MAME32, and may only be used, modified and
  distributed under the terms of the MAME license, in "readme.txt".
  By continuing to use, modify or distribute this file you indicate
  that you have read the license and understand and accept it fully.

***************************************************************************/

/***************************************************************************

  dialogs.c

  Dialog box procedures go here

***************************************************************************/

#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <windowsx.h>
#include <shellapi.h>
#include <commctrl.h>
#include <string.h>

#include "bitmask.h"
#include "TreeView.h"
#include "M32Util.h"
#include "resource.h"
#include "directories.h"
#include "options.h"
#include "splitters.h"
#include "help.h"
#include "audit32.h"
#include "screenshot.h"
#include "mame32.h"
#include "properties.h"
#include "dialogs.h"

#define FILTERTEXT_LEN 256

static char g_FilterText[FILTERTEXT_LEN];

#define NUM_EXCLUSIONS  9

/* Pairs of filters that exclude each other */
DWORD filterExclusion[NUM_EXCLUSIONS] =
{
	IDC_FILTER_CLONES,      IDC_FILTER_ORIGINALS,
	IDC_FILTER_NONWORKING,  IDC_FILTER_WORKING,
	IDC_FILTER_UNAVAILABLE, IDC_FILTER_AVAILABLE,
	IDC_FILTER_RASTER,      IDC_FILTER_VECTOR
};


static void DisableFilterControls(HWND hWnd, LPFOLDERDATA lpFilterRecord,
								  LPFILTER_ITEM lpFilterItem, DWORD dwFlags);
static void EnableFilterExclusions(HWND hWnd, DWORD dwCtrlID);
static DWORD ValidateFilters(LPFOLDERDATA lpFilterRecord, DWORD dwFlags);

/***************************************************************************/

const char * GetFilterText(void)
{
	return g_FilterText;
}

INT_PTR CALLBACK ResetDialogProc(HWND hDlg, UINT Msg, WPARAM wParam, LPARAM lParam)
{
	BOOL resetFilters  = FALSE;
	BOOL resetGames    = FALSE;
	BOOL resetUI	   = FALSE;
	BOOL resetDefaults = FALSE;

	switch (Msg)
	{
	case WM_INITDIALOG:
		return TRUE;

	case WM_HELP:
		/* User clicked the ? from the upper right on a control */
		HelpFunction(((LPHELPINFO)lParam)->hItemHandle, MAME32CONTEXTHELP, HH_TP_HELP_WM_HELP, GetHelpIDs());
		break;

	case WM_CONTEXTMENU:
		HelpFunction((HWND)wParam, MAME32CONTEXTHELP, HH_TP_HELP_CONTEXTMENU, GetHelpIDs());

		break;

	case WM_COMMAND :
		switch (GET_WM_COMMAND_ID(wParam, lParam))
		{
		case IDOK :
			resetFilters  = Button_GetCheck(GetDlgItem(hDlg, IDC_RESET_FILTERS));
			resetGames	  = Button_GetCheck(GetDlgItem(hDlg, IDC_RESET_GAMES));
			resetDefaults = Button_GetCheck(GetDlgItem(hDlg, IDC_RESET_DEFAULT));
			resetUI 	  = Button_GetCheck(GetDlgItem(hDlg, IDC_RESET_UI));
			if (resetFilters || resetGames || resetUI || resetDefaults)
			{
				char temp[200];
				strcpy(temp, MAME32NAME " will now reset the selected\n");
				strcat(temp, "items to the original, installation\n");
				strcat(temp, "settings then exit.\n\n");
				strcat(temp, "The new settings will take effect\n");
				strcat(temp, "the next time " MAME32NAME " is run.\n\n");
				strcat(temp, "Do you wish to continue?");
				if (MessageBox(hDlg, temp, "Restore Settings", IDOK) == IDOK)
				{
					if (resetFilters)
						ResetFilters();

					if (resetUI)
						ResetGUI();

					if (resetDefaults)
						ResetGameDefaults();

					if (resetGames)
						ResetAllGameOptions();

					EndDialog(hDlg, 1);
					return TRUE;
				}
			}
			/* Fall through if no options were selected
			 * or the user hit cancel in the popup dialog.
			 */
		case IDCANCEL :
			EndDialog(hDlg, 0);
			return TRUE;
		}
		break;
	}
	return 0;
}

INT_PTR CALLBACK InterfaceDialogProc(HWND hDlg, UINT Msg, WPARAM wParam, LPARAM lParam)
{
	char pcscreenshot[100];

	switch (Msg)
	{
	case WM_INITDIALOG:
		Button_SetCheck(GetDlgItem(hDlg,IDC_START_GAME_CHECK),GetGameCheck());
		Button_SetCheck(GetDlgItem(hDlg,IDC_JOY_GUI),GetJoyGUI());
		Button_SetCheck(GetDlgItem(hDlg,IDC_BROADCAST),GetBroadcast());
		Button_SetCheck(GetDlgItem(hDlg,IDC_RANDOM_BG),GetRandomBackground());
		Button_SetCheck(GetDlgItem(hDlg,IDC_SKIP_DISCLAIMER),GetSkipDisclaimer());
		Button_SetCheck(GetDlgItem(hDlg,IDC_SKIP_GAME_INFO),GetSkipGameInfo());
		Button_SetCheck(GetDlgItem(hDlg,IDC_HIGH_PRIORITY),GetHighPriority());
		
		Button_SetCheck(GetDlgItem(hDlg,IDC_HIDE_MOUSE),GetHideMouseOnStartup());

		_itoa( GetCycleScreenshot(), pcscreenshot, 10);
		Edit_SetText(GetDlgItem(hDlg, IDC_CYCLETIMESEC), pcscreenshot);
		if( GetCycleScreenshot() <= 0 )
		{
			Button_SetCheck(GetDlgItem(hDlg,IDC_CYCLE_SCREENSHOT),FALSE);
			EnableWindow(GetDlgItem(hDlg, IDC_CYCLETIME), FALSE);
			EnableWindow(GetDlgItem(hDlg, IDC_CYCLETIMESEC), FALSE);
		}
		else
		{
			Button_SetCheck(GetDlgItem(hDlg,IDC_CYCLE_SCREENSHOT),TRUE);
			EnableWindow(GetDlgItem(hDlg, IDC_CYCLETIME), TRUE);
			EnableWindow(GetDlgItem(hDlg, IDC_CYCLETIMESEC), TRUE);
		}

		Button_SetCheck(GetDlgItem(hDlg,IDC_STRETCH_SCREENSHOT_LARGER),
						GetStretchScreenShotLarger());

		return TRUE;

	case WM_HELP:
		/* User clicked the ? from the upper right on a control */
		HelpFunction(((LPHELPINFO)lParam)->hItemHandle, MAME32CONTEXTHELP, HH_TP_HELP_WM_HELP, GetHelpIDs());
		break;

	case WM_CONTEXTMENU:
		HelpFunction((HWND)wParam, MAME32CONTEXTHELP, HH_TP_HELP_CONTEXTMENU, GetHelpIDs());
		break;

	case WM_COMMAND :
		switch (GET_WM_COMMAND_ID(wParam, lParam))
		{
		case IDC_CYCLE_SCREENSHOT:
		{
			BOOL bCheck = Button_GetCheck(GetDlgItem(hDlg, IDC_CYCLE_SCREENSHOT));
			EnableWindow(GetDlgItem(hDlg, IDC_CYCLETIME), bCheck);
			EnableWindow(GetDlgItem(hDlg, IDC_CYCLETIMESEC), bCheck);
			return TRUE;
		}
		case IDOK :
		{
			BOOL checked;

			SetGameCheck(Button_GetCheck(GetDlgItem(hDlg, IDC_START_GAME_CHECK)));
			SetJoyGUI(Button_GetCheck(GetDlgItem(hDlg, IDC_JOY_GUI)));
			SetBroadcast(Button_GetCheck(GetDlgItem(hDlg, IDC_BROADCAST)));
			SetRandomBackground(Button_GetCheck(GetDlgItem(hDlg, IDC_RANDOM_BG)));
			SetSkipDisclaimer(Button_GetCheck(GetDlgItem(hDlg, IDC_SKIP_DISCLAIMER)));
			SetSkipGameInfo(Button_GetCheck(GetDlgItem(hDlg, IDC_SKIP_GAME_INFO)));
			SetHighPriority(Button_GetCheck(GetDlgItem(hDlg, IDC_HIGH_PRIORITY)));
			
			SetHideMouseOnStartup(Button_GetCheck(GetDlgItem(hDlg,IDC_HIDE_MOUSE)));

			if (Button_GetCheck(GetDlgItem(hDlg,IDC_CYCLE_SCREENSHOT)))
			{
				Edit_GetText(GetDlgItem(hDlg, IDC_CYCLETIMESEC),pcscreenshot,sizeof(pcscreenshot));
				SetCycleScreenshot(atoi(pcscreenshot));
			}
			else
			{
				SetCycleScreenshot(0);
			}

			checked = Button_GetCheck(GetDlgItem(hDlg,IDC_STRETCH_SCREENSHOT_LARGER));
			if (checked != GetStretchScreenShotLarger())
			{
				SetStretchScreenShotLarger(checked);
				UpdateScreenShot();
			}
			EndDialog(hDlg, 0);
			return TRUE;
		}
		case IDCANCEL :
			EndDialog(hDlg, 0);
			return TRUE;
		}
		break;
	}
	return 0;
}

INT_PTR CALLBACK FilterDialogProc(HWND hDlg, UINT Msg, WPARAM wParam, LPARAM lParam)
{
	static DWORD			dwFilters;
	static LPFOLDERDATA		lpFilterRecord;
	int 					i;

	switch (Msg)
	{
	case WM_INITDIALOG:
	{
		LPTREEFOLDER folder = GetCurrentFolder();
		LPFILTER_ITEM g_lpFilterList = GetFilterList();

		dwFilters = 0;

		if (folder != NULL)
		{
			char tmp[80];
			
			Edit_SetText(GetDlgItem(hDlg, IDC_FILTER_EDIT), g_FilterText);
			Edit_SetSel(GetDlgItem(hDlg, IDC_FILTER_EDIT), 0, -1);

			// Display current folder name in dialog titlebar
			_snprintf(tmp,sizeof(tmp),"Filters for %s Folder",folder->m_lpTitle);
			SetWindowText(hDlg, tmp);

			// Mask out non filter flags
			dwFilters = folder->m_dwFlags & F_MASK;

			// Find the matching filter record if it exists
			lpFilterRecord = FindFilter(folder->m_nFolderId);

			// initialize and disable appropriate controls
			for (i = 0; g_lpFilterList[i].m_dwFilterType; i++)
			{
				DisableFilterControls(hDlg, lpFilterRecord, &g_lpFilterList[i], dwFilters);
			}
		}
		SetFocus(GetDlgItem(hDlg, IDC_FILTER_EDIT));
		return FALSE;
	}
	case WM_HELP:
		// User clicked the ? from the upper right on a control
		HelpFunction(((LPHELPINFO)lParam)->hItemHandle, MAME32CONTEXTHELP,
					 HH_TP_HELP_WM_HELP, GetHelpIDs());
		break;

	case WM_CONTEXTMENU:
		HelpFunction((HWND)wParam, MAME32CONTEXTHELP, HH_TP_HELP_CONTEXTMENU, GetHelpIDs());
		break;

	case WM_COMMAND:
	{
		WORD wID		 = GET_WM_COMMAND_ID(wParam, lParam);
		WORD wNotifyCode = GET_WM_COMMAND_CMD(wParam, lParam);
		LPTREEFOLDER folder = GetCurrentFolder();
		LPFILTER_ITEM g_lpFilterList = GetFilterList();

		switch (wID)
		{
		case IDOK:
			dwFilters = 0;
			
			Edit_GetText(GetDlgItem(hDlg, IDC_FILTER_EDIT), g_FilterText, FILTERTEXT_LEN);
			
			// see which buttons are checked
			for (i = 0; g_lpFilterList[i].m_dwFilterType; i++)
			{
				if (Button_GetCheck(GetDlgItem(hDlg, g_lpFilterList[i].m_dwCtrlID)))
					dwFilters |= g_lpFilterList[i].m_dwFilterType;
			}

			// Mask out invalid filters
			dwFilters = ValidateFilters(lpFilterRecord, dwFilters);

			// Keep non filter flags
			folder->m_dwFlags &= ~F_MASK;

			// put in the set filters
			folder->m_dwFlags |= dwFilters;

			EndDialog(hDlg, 1);
			return TRUE;

		case IDCANCEL:
			EndDialog(hDlg, 0);
			return TRUE;
			
		default:
			// Handle unchecking mutually exclusive filters
			if (wNotifyCode == BN_CLICKED)
				EnableFilterExclusions(hDlg, wID);
		}
	}
	break;
	}
	return 0;
}

INT_PTR CALLBACK AboutDialogProc(HWND hDlg, UINT Msg, WPARAM wParam, LPARAM lParam)
{
	switch (Msg)
	{
	case WM_INITDIALOG:
		{
			HBITMAP hBmp;
			hBmp = (HBITMAP)LoadImage(GetModuleHandle(NULL),
									  MAKEINTRESOURCE(IDB_ABOUT),
									  IMAGE_BITMAP, 0, 0, LR_SHARED);
			SendMessage(GetDlgItem(hDlg, IDC_ABOUT), STM_SETIMAGE,
						(WPARAM)IMAGE_BITMAP, (LPARAM)hBmp);
			Static_SetText(GetDlgItem(hDlg, IDC_VERSION), GetVersionString());
		}
		return 1;

	case WM_COMMAND:
		EndDialog(hDlg, 0);
		return 1;
	}
	return 0;
}

INT_PTR CALLBACK AddCustomFileDialogProc(HWND hDlg, UINT Msg, WPARAM wParam, LPARAM lParam)
{
    static LPTREEFOLDER default_selection = NULL;
	static int driver_index;

	switch (Msg)
	{
	case WM_INITDIALOG:
	{
	    TREEFOLDER **folders;
		int num_folders;
		int i;
		TVINSERTSTRUCT tvis;
		TVITEM tvi;
		BOOL first_entry = TRUE;
		HIMAGELIST treeview_icons = GetTreeViewIconList();
		HIMAGELIST hList;

		// current game passed in using DialogBoxParam()
		driver_index = lParam;

		hList = TreeView_SetImageList(GetDlgItem(hDlg,IDC_CUSTOM_TREE), treeview_icons, LVSIL_NORMAL);

		GetFolders(&folders,&num_folders);

		// should add "New..."

		// insert custom folders into our tree view
		for (i=0;i<num_folders;i++)
		{
		    if (folders[i]->m_dwFlags & F_CUSTOM)
			{
			    HTREEITEM hti;
				int jj;

				if (folders[i]->m_nParent == -1)
				{
				    tvis.hParent = TVI_ROOT;
					tvis.hInsertAfter = TVI_SORT;
					tvi.mask = TVIF_TEXT | TVIF_PARAM | TVIF_IMAGE | TVIF_SELECTEDIMAGE;
					tvi.pszText = folders[i]->m_lpTitle;
					tvi.lParam = (LPARAM)folders[i];
					tvi.iImage = GetTreeViewIconIndex(folders[i]->m_nIconId);
					tvi.iSelectedImage = 0;
#if defined(__GNUC__) /* bug in commctrl.h */
					tvis.item = tvi;
#else
					tvis.DUMMYUNIONNAME.item = tvi;
#endif
					
					hti = TreeView_InsertItem(GetDlgItem(hDlg,IDC_CUSTOM_TREE),&tvis);

					/* look for children of this custom folder */
					for (jj=0;jj<num_folders;jj++)
					{
					    if (folders[jj]->m_nParent == i)
						{
						    HTREEITEM hti_child;
						    tvis.hParent = hti;
							tvis.hInsertAfter = TVI_SORT;
							tvi.mask = TVIF_TEXT | TVIF_PARAM | TVIF_IMAGE | TVIF_SELECTEDIMAGE;
							tvi.pszText = folders[jj]->m_lpTitle;
							tvi.lParam = (LPARAM)folders[jj];
							tvi.iImage = GetTreeViewIconIndex(folders[jj]->m_nIconId);
							tvi.iSelectedImage = 0;
#if defined(__GNUC__) /* bug in commctrl.h */
					        tvis.item = tvi;
#else
					        tvis.DUMMYUNIONNAME.item = tvi;
#endif							
							hti_child = TreeView_InsertItem(GetDlgItem(hDlg,IDC_CUSTOM_TREE),&tvis);
							if (folders[jj] == default_selection)
							    TreeView_SelectItem(GetDlgItem(hDlg,IDC_CUSTOM_TREE),hti_child);
						}
					}

					/*TreeView_Expand(GetDlgItem(hDlg,IDC_CUSTOM_TREE),hti,TVE_EXPAND);*/
					if (first_entry || folders[i] == default_selection)
					{
					    TreeView_SelectItem(GetDlgItem(hDlg,IDC_CUSTOM_TREE),hti);
						first_entry = FALSE;
					}

				}
				
			}
		}
		
      	SetWindowText(GetDlgItem(hDlg,IDC_CUSTOMFILE_GAME),
					  ModifyThe(drivers[driver_index]->description));

		return TRUE;
	}
	case WM_COMMAND:
		switch (GET_WM_COMMAND_ID(wParam, lParam))
		{
		case IDOK:
		{
		   TVITEM tvi;
		   tvi.hItem = TreeView_GetSelection(GetDlgItem(hDlg,IDC_CUSTOM_TREE));
		   tvi.mask = TVIF_PARAM;
		   if (TreeView_GetItem(GetDlgItem(hDlg,IDC_CUSTOM_TREE),&tvi) == TRUE)
		   {
			  /* should look for New... */
		   
			  default_selection = (LPTREEFOLDER)tvi.lParam; /* start here next time */

			  AddToCustomFolder((LPTREEFOLDER)tvi.lParam,driver_index);
		   }

		   EndDialog(hDlg, 0);
		   return TRUE;

		   break;
		}
		case IDCANCEL:
			EndDialog(hDlg, 0);
			return TRUE;

		}
		break;
	}
	return 0;
}

INT_PTR CALLBACK DirectXDialogProc(HWND hDlg, UINT Msg, WPARAM wParam, LPARAM lParam)
{
	HWND hEdit;

	const char *directx_help =
		MAME32NAME " requires DirectX version 3 or later, which is a set of operating\r\n"
		"system extensions by Microsoft for Windows 9x, NT and 2000.\r\n\r\n"
		"Visit Microsoft's DirectX web page at http://www.microsoft.com/directx\r\n"
		"download DirectX, install it, and then run " MAME32NAME " again.\r\n";

	switch (Msg)
	{
	case WM_INITDIALOG:
		hEdit = GetDlgItem(hDlg, IDC_DIRECTX_HELP);
		Edit_SetSel(hEdit, Edit_GetTextLength(hEdit), Edit_GetTextLength(hEdit));
		Edit_ReplaceSel(hEdit, directx_help);
		return 1;

	case WM_COMMAND:
		if (LOWORD(wParam) == IDB_WEB_PAGE)
			ShellExecute(GetMainWindow(), NULL, "http://www.microsoft.com/directx",
						 NULL, NULL, SW_SHOWNORMAL);

		if (LOWORD(wParam) == IDCANCEL || LOWORD(wParam) == IDB_WEB_PAGE)
			EndDialog(hDlg, 0);
		return 1;
	}
	return 0;
}

/***************************************************************************
    private functions
 ***************************************************************************/

static void DisableFilterControls(HWND hWnd, LPFOLDERDATA lpFilterRecord,
								  LPFILTER_ITEM lpFilterItem, DWORD dwFlags)
{
	HWND  hWndCtrl = GetDlgItem(hWnd, lpFilterItem->m_dwCtrlID);
	DWORD dwFilterType = lpFilterItem->m_dwFilterType;

	/* Check the appropriate control */
	if (dwFilterType & dwFlags)
		Button_SetCheck(hWndCtrl, MF_CHECKED);

	/* No special rules for this folder? */
	if (!lpFilterRecord)
		return;

	/* If this is an excluded filter */
	if (lpFilterRecord->m_dwUnset & dwFilterType)
	{
		/* uncheck it and disable the control */
		Button_SetCheck(hWndCtrl, MF_UNCHECKED);
		EnableWindow(hWndCtrl, FALSE);
	}

	/* If this is an implied filter, check it and disable the control */
	if (lpFilterRecord->m_dwSet & dwFilterType)
	{
		Button_SetCheck(hWndCtrl, MF_CHECKED);
		EnableWindow(hWndCtrl, FALSE);
	}
}

// Handle disabling mutually exclusive controls
static void EnableFilterExclusions(HWND hWnd, DWORD dwCtrlID)
{
	int 	i;
	DWORD	id;

	for (i = 0; i < NUM_EXCLUSIONS; i++)
	{
		// is this control in the list?
		if (filterExclusion[i] == dwCtrlID)
		{
			// found the control id
			break;
		}
	}

	// if the control was found
	if (i < NUM_EXCLUSIONS)
	{
		// find the opposing control id
		if (i % 2)
			id = filterExclusion[i - 1];
		else
			id = filterExclusion[i + 1];

		// Uncheck the other control
		Button_SetCheck(GetDlgItem(hWnd, id), MF_UNCHECKED);
	}
}

// Validate filter setting, mask out inappropriate filters for this folder
static DWORD ValidateFilters(LPFOLDERDATA lpFilterRecord, DWORD dwFlags)
{
	DWORD dwFilters;

	if (lpFilterRecord != (LPFOLDERDATA)0)
	{
		// Mask out implied and excluded filters
		dwFilters = lpFilterRecord->m_dwSet | lpFilterRecord->m_dwUnset;
		return dwFlags & ~dwFilters;
	}

	// No special cases - all filters apply
	return dwFlags;
}

