changes from H.G. Muller; version 4.3.13
[xboard.git] / winboard / wengineoutput.c
index 0eb7536..86715e3 100644 (file)
-/*
- * Engine output (PV)
- *
- * Author: Alessandro Scotti (Dec 2005)
- *
- * ------------------------------------------------------------------------
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- * ------------------------------------------------------------------------
- */
-#include "config.h"
-
-#include <windows.h> /* required for all Windows applications */
-#include <richedit.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <malloc.h>
-#include <commdlg.h>
-#include <dlgs.h>
-
-#include "common.h"
-#include "winboard.h"
-#include "frontend.h"
-#include "backend.h"
-
-#include "wsnap.h"
-
-VOID EngineOutputPopUp();
-VOID EngineOutputPopDown();
-BOOL EngineOutputIsUp();
-
-#define SHOW_PONDERING
-
-/* Imports from backend.c */
-char * SavePart(char *str);
-
-/* Imports from winboard.c */
-extern HWND engineOutputDialog;
-extern BOOLEAN engineOutputDialogUp;
-
-extern HINSTANCE hInst;
-extern HWND hwndMain;
-
-extern WindowPlacement wpEngineOutput;
-
-/* Module variables */
-#define H_MARGIN            2
-#define V_MARGIN            2
-#define LABEL_V_DISTANCE    1   /* Distance between label and memo */
-#define SPLITTER_SIZE       4   /* Distance between first memo and second label */
-
-#define ICON_SIZE           14
-
-#define STATE_UNKNOWN   -1
-#define STATE_THINKING   0
-#define STATE_IDLE       1
-#define STATE_PONDERING  2
-#define STATE_ANALYZING  3
-
-static int  windowMode = 1;
-
-static BOOL needInit = TRUE;
-
-static HICON hiColorBlack = NULL;
-static HICON hiColorWhite = NULL;
-static HICON hiColorUnknown = NULL;
-static HICON hiClear = NULL;
-static HICON hiPondering = NULL;
-static HICON hiThinking = NULL;
-static HICON hiAnalyzing = NULL;
-
-static int  lastDepth[2] = { -1, -1 };
-static int  lastForwardMostMove[2] = { -1, -1 };
-static int  engineState[2] = { -1, -1 };
-
-typedef struct {
-    HWND hColorIcon;
-    HWND hLabel;
-    HWND hStateIcon;
-    HWND hStateData;
-    HWND hLabelNPS;
-    HWND hMemo;
-    char * name;
-    int which;
-    int depth;
-    unsigned long nodes;
-    int score;
-    int time;
-    char * pv;
-    char * hint;
-    int an_move_index;
-    int an_move_count;
-} EngineOutputData;
-
-static HICON LoadIconEx( int id )
-{
-    return LoadImage( hInst, MAKEINTRESOURCE(id), IMAGE_ICON, ICON_SIZE, ICON_SIZE, 0 );
-}
-
-static VOID InitializeEngineOutput()
-{
-    if( needInit ) {
-        hiColorBlack = LoadIconEx( IDI_BLACK_14 );
-        hiColorWhite = LoadIconEx( IDI_WHITE_14 );
-        hiColorUnknown = LoadIconEx( IDI_UNKNOWN_14 );
-        hiClear = LoadIconEx( IDI_TRANS_14 );
-        hiPondering = LoadIconEx( IDI_PONDER_14 );
-        hiThinking = LoadIconEx( IDI_CLOCK_14 );
-        hiAnalyzing = LoadIconEx( IDI_ANALYZE2_14 );
-        needInit = FALSE;
-    }
-}
-
-static VOID SetControlPos( HWND hDlg, int id, int x, int y, int width, int height )
-{
-    HWND hControl = GetDlgItem( hDlg, id );
-
-    SetWindowPos( hControl, HWND_TOP, x, y, width, height, SWP_NOZORDER );
-}
-
-#define HIDDEN_X    20000
-#define HIDDEN_Y    20000
-
-static VOID HideControl( HWND hDlg, int id )
-{
-    HWND hControl = GetDlgItem( hDlg, id );
-    RECT rc;
-
-    GetWindowRect( hControl, &rc );
-
-    /*
-        Avoid hiding an already hidden control, because that causes many
-        unnecessary WM_ERASEBKGND messages!
-    */
-    if( rc.left != HIDDEN_X || rc.top != HIDDEN_Y ) {
-    SetControlPos( hDlg, id, 20000, 20000, 100, 100 );
-    }
-}
-
-static int GetControlWidth( HWND hDlg, int id )
-{
-    RECT rc;
-
-    GetWindowRect( GetDlgItem( hDlg, id ), &rc );
-
-    return rc.right - rc.left;
-}
-
-static int GetControlHeight( HWND hDlg, int id )
-{
-    RECT rc;
-
-    GetWindowRect( GetDlgItem( hDlg, id ), &rc );
-
-    return rc.bottom - rc.top;
-}
-
-static int GetHeaderHeight()
-{
-    int result = GetControlHeight( engineOutputDialog, IDC_EngineLabel1 );
-
-    if( result < ICON_SIZE ) result = ICON_SIZE;
-
-    return result;
-}
-
-#define ENGINE_COLOR_WHITE      'w'
-#define ENGINE_COLOR_BLACK      'b'
-#define ENGINE_COLOR_UNKNOWN    ' '
-
-char GetEngineColor( int which )
-{
-    char result = ENGINE_COLOR_UNKNOWN;
-
-    if( which == 0 || which == 1 ) {
-        ChessProgramState * cps;
-
-        switch (gameMode) {
-        case MachinePlaysBlack:
-        case IcsPlayingBlack:
-            result = ENGINE_COLOR_BLACK;
-            break;
-        case MachinePlaysWhite:
-        case IcsPlayingWhite:
-            result = ENGINE_COLOR_WHITE;
-            break;
-        case AnalyzeMode:
-        case AnalyzeFile:
-            result = WhiteOnMove(forwardMostMove) ? ENGINE_COLOR_WHITE : ENGINE_COLOR_BLACK;
-            break;
-        case TwoMachinesPlay:
-            cps = (which == 0) ? &first : &second;
-            result = cps->twoMachinesColor[0];
-            result = result == 'w' ? ENGINE_COLOR_WHITE : ENGINE_COLOR_BLACK;
-            break;
-        }
-    }
-
-    return result;
-}
-
-char GetActiveEngineColor()
-{
-    char result = ENGINE_COLOR_UNKNOWN;
-
-    if( gameMode == TwoMachinesPlay ) {
-        result = WhiteOnMove(forwardMostMove) ? ENGINE_COLOR_WHITE : ENGINE_COLOR_BLACK;
-    }
-
-    return result;
-}
-
-static int IsEnginePondering( int which )
-{
-    int result = FALSE;
-
-    switch (gameMode) {
-    case MachinePlaysBlack:
-    case IcsPlayingBlack:
-        if( WhiteOnMove(forwardMostMove) ) result = TRUE;
-        break;
-    case MachinePlaysWhite:
-    case IcsPlayingWhite:
-        if( ! WhiteOnMove(forwardMostMove) ) result = TRUE;
-        break;
-    case TwoMachinesPlay:
-        if( GetActiveEngineColor() != ENGINE_COLOR_UNKNOWN ) {
-            if( GetEngineColor( which ) != GetActiveEngineColor() ) result = TRUE;
-        }
-        break;
-    }
-
-    return result;
-}
-
-static VOID PositionControlSet( HWND hDlg, int x, int y, int clientWidth, int memoHeight, int idColor, int idEngineLabel, int idNPS, int idMemo, int idStateIcon, int idStateData )
-{
-    int label_x = x + ICON_SIZE + H_MARGIN;
-    int label_h = GetControlHeight( hDlg, IDC_EngineLabel1 );
-    int label_y = y + ICON_SIZE - label_h;
-    int nps_w = GetControlWidth( hDlg, IDC_Engine1_NPS );
-    int nps_x = clientWidth - H_MARGIN - nps_w;
-    int state_data_w = GetControlWidth( hDlg, IDC_StateData1 );
-    int state_data_x = nps_x - H_MARGIN - state_data_w;
-    int state_icon_x = state_data_x - ICON_SIZE - 2;
-    int max_w = clientWidth - 2*H_MARGIN;
-    int memo_y = y + ICON_SIZE + LABEL_V_DISTANCE;
-
-    SetControlPos( hDlg, idColor, x, y, ICON_SIZE, ICON_SIZE );
-    SetControlPos( hDlg, idEngineLabel, label_x, label_y, state_icon_x - label_x, label_h );
-    SetControlPos( hDlg, idStateIcon, state_icon_x, y, ICON_SIZE, ICON_SIZE );
-    SetControlPos( hDlg, idStateData, state_data_x, label_y, state_data_w, label_h );
-    SetControlPos( hDlg, idNPS, nps_x, label_y, nps_w, label_h );
-    SetControlPos( hDlg, idMemo, x, memo_y, max_w, memoHeight );
-}
-
-static VOID ResizeWindowControls( HWND hDlg, int mode )
-{
-    RECT rc;
-    int headerHeight = GetHeaderHeight();
-    int labelHeight = GetControlHeight( hDlg, IDC_EngineLabel1 );
-    int labelOffset = H_MARGIN + ICON_SIZE + H_MARGIN;
-    int labelDeltaY = ICON_SIZE - labelHeight;
-    int clientWidth;
-    int clientHeight;
-    int maxControlWidth;
-    int npsWidth;
-
-    /* Initialize variables */
-    GetClientRect( hDlg, &rc );
-
-    clientWidth = rc.right - rc.left;
-    clientHeight = rc.bottom - rc.top;
-
-    maxControlWidth = clientWidth - 2*H_MARGIN;
-
-    npsWidth = GetControlWidth( hDlg, IDC_Engine1_NPS );
-
-    /* Resize controls */
-    if( mode == 0 ) {
-        /* One engine */
-        PositionControlSet( hDlg, H_MARGIN, V_MARGIN,
-            clientWidth,
-            clientHeight - V_MARGIN - LABEL_V_DISTANCE - headerHeight- V_MARGIN,
-            IDC_Color1, IDC_EngineLabel1, IDC_Engine1_NPS, IDC_EngineMemo1, IDC_StateIcon1, IDC_StateData1 );
-
-        /* Hide controls for the second engine */
-        HideControl( hDlg, IDC_Color2 );
-        HideControl( hDlg, IDC_EngineLabel2 );
-        HideControl( hDlg, IDC_StateIcon2 );
-        HideControl( hDlg, IDC_StateData2 );
-        HideControl( hDlg, IDC_Engine2_NPS );
-        HideControl( hDlg, IDC_EngineMemo2 );
-        SendDlgItemMessage( hDlg, IDC_EngineMemo2, WM_SETTEXT, 0, (LPARAM) "" );
-        /* TODO: we should also hide/disable them!!! what about tab stops?!?! */
-    }
-    else {
-        /* Two engines */
-        int memo_h = (clientHeight - headerHeight*2 - V_MARGIN*2 - LABEL_V_DISTANCE*2 - SPLITTER_SIZE) / 2;
-        int header1_y = V_MARGIN;
-        int header2_y = V_MARGIN + headerHeight + LABEL_V_DISTANCE + memo_h + SPLITTER_SIZE;
-
-        PositionControlSet( hDlg, H_MARGIN, header1_y, clientWidth, memo_h,
-            IDC_Color1, IDC_EngineLabel1, IDC_Engine1_NPS, IDC_EngineMemo1, IDC_StateIcon1, IDC_StateData1 );
-
-        PositionControlSet( hDlg, H_MARGIN, header2_y, clientWidth, memo_h,
-            IDC_Color2, IDC_EngineLabel2, IDC_Engine2_NPS, IDC_EngineMemo2, IDC_StateIcon2, IDC_StateData2 );
-    }
-
-    InvalidateRect( GetDlgItem(hDlg,IDC_EngineMemo1), NULL, FALSE );
-    InvalidateRect( GetDlgItem(hDlg,IDC_EngineMemo2), NULL, FALSE );
-}
-
-static VOID SetDisplayMode( int mode )
-{
-    if( windowMode != mode ) {
-        windowMode = mode;
-
-        ResizeWindowControls( engineOutputDialog, mode );
-    }
-}
-
-static VOID VerifyDisplayMode()
-{
-    int mode;
-
-    /* Get proper mode for current game */
-    switch( gameMode ) {
-    case AnalyzeMode:
-    case AnalyzeFile:
-    case MachinePlaysWhite:
-    case MachinePlaysBlack:
-    case IcsPlayingWhite:
-    case IcsPlayingBlack:
-        mode = 0;
-        break;
-    case TwoMachinesPlay:
-        mode = 1;
-        break;
-    default:
-        /* Do not change */
-        return;
-    }
-
-    SetDisplayMode( mode );
-}
-
-static VOID InsertIntoMemo( HWND hMemo, char * text )
-{
-    SendMessage( hMemo, EM_SETSEL, 0, 0 );
-
-    SendMessage( hMemo, EM_REPLACESEL, (WPARAM) FALSE, (LPARAM) text );
-}
-
-static VOID SetIcon( HWND hControl, HICON hIcon )
-{
-    if( hIcon != NULL ) {
-        SendMessage( hControl, STM_SETICON, (WPARAM) hIcon, 0 );
-    }
-}
-
-static VOID SetEngineColorIcon( HWND hControl, int which )
-{
-    char color = GetEngineColor(which);
-    HICON hicon = NULL;
-
-    if( color == ENGINE_COLOR_BLACK )
-        hicon = hiColorBlack;
-    else if( color == ENGINE_COLOR_WHITE )
-        hicon = hiColorWhite;
-    else
-        hicon = hiColorUnknown;
-
-    SetIcon( hControl, hicon );
-}
-
-static SetEngineState( int which, int state, char * state_data )
-{
-    int x_which = 1 - which;
-    HWND hStateIcon = GetDlgItem( engineOutputDialog, which == 0 ? IDC_StateIcon1 : IDC_StateIcon2 );
-    HWND hStateData = GetDlgItem( engineOutputDialog, which == 0 ? IDC_StateData1 : IDC_StateData2 );
-
-    if( engineState[ which ] != state ) {
-        engineState[ which ] = state;
-
-        switch( state ) {
-        case STATE_THINKING:
-            SetIcon( hStateIcon, hiThinking );
-            if( engineState[ x_which ] == STATE_THINKING ) {
-                SetEngineState( x_which, STATE_IDLE, "" );
-            }
-            break;
-        case STATE_PONDERING:
-            SetIcon( hStateIcon, hiPondering );
-            break;
-        case STATE_ANALYZING:
-            SetIcon( hStateIcon, hiAnalyzing );
-            break;
-        default:
-            SetIcon( hStateIcon, hiClear );
-            break;
-        }
-    }
-
-    if( state_data != 0 ) {
-        SetWindowText( hStateData, state_data );
-    }
-}
-
-#define MAX_NAME_LENGTH 32
-
-static VOID UpdateControls( EngineOutputData * ed )
-{
-    BOOL isPondering = FALSE;
-
-    char s_label[MAX_NAME_LENGTH + 32];
-
-    char * name = ed->name;
-
-    /* Label */
-    if( name == 0 || *name == '\0' ) {
-        name = "?";
-    }
-
-    strncpy( s_label, name, MAX_NAME_LENGTH );
-    s_label[ MAX_NAME_LENGTH-1 ] = '\0';
-
-#ifdef SHOW_PONDERING
-    if( IsEnginePondering( ed->which ) ) {
-            char buf[8];
-
-            buf[0] = '\0';
-
-            if( ed->hint != 0 && *ed->hint != '\0' ) {
-                strncpy( buf, ed->hint, sizeof(buf) );
-                buf[sizeof(buf)-1] = '\0';
-            }
-            else if( ed->pv != 0 && *ed->pv != '\0' ) {
-                char * sep = strchr( ed->pv, ' ' );
-                int buflen = sizeof(buf);
-
-                if( sep != NULL ) {
-                    buflen = sep - ed->pv + 1;
-                    if( buflen > sizeof(buf) ) buflen = sizeof(buf);
-                }
-
-                strncpy( buf, ed->pv, buflen );
-                buf[ buflen-1 ] = '\0';
-            }
-
-            SetEngineState( ed->which, STATE_PONDERING, buf );
-        }
-    else if( gameMode == TwoMachinesPlay ) {
-            SetEngineState( ed->which, STATE_THINKING, "" );
-        }
-    else if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
-        char buf[64];
-        int time_secs = ed->time / 100;
-        int time_mins = time_secs / 60;
-
-        buf[0] = '\0';
-
-        if( ed->an_move_index != 0 && ed->an_move_count != 0 && *ed->hint != '\0' ) {
-            char mov[16];
-
-            strncpy( mov, ed->hint, sizeof(mov) );
-            mov[ sizeof(mov)-1 ] = '\0';
-
-            sprintf( buf, "%d/%d: %s [%02d:%02d:%02d]", ed->an_move_index, ed->an_move_count, mov, time_mins / 60, time_mins % 60, time_secs % 60 );
-        }
-
-        SetEngineState( ed->which, STATE_ANALYZING, buf );
-    }
-    else {
-        SetEngineState( ed->which, STATE_IDLE, "" );
-    }
-#endif
-
-    SetWindowText( ed->hLabel, s_label );
-
-    s_label[0] = '\0';
-
-    if( ed->time > 0 && ed->nodes > 0 ) {
-        unsigned long nps_100 = ed->nodes / ed->time;
-
-        if( nps_100 < 100000 ) {
-            sprintf( s_label, "NPS: %lu", nps_100 * 100 );
-        }
-        else {
-            sprintf( s_label, "NPS: %.1fk", nps_100 / 10.0 );
-        }
-    }
-
-    SetWindowText( ed->hLabelNPS, s_label );
-
-    /* Memo */
-    if( ed->pv != 0 && *ed->pv != '\0' ) {
-        char s_nodes[24];
-        char s_score[16];
-        char s_time[24];
-        char buf[256];
-        int buflen;
-        int time_secs = ed->time / 100;
-        int time_cent = ed->time % 100;
-
-        /* Nodes */
-        if( ed->nodes < 1000000 ) {
-            sprintf( s_nodes, "%lu", ed->nodes );
-        }
-        else {
-            sprintf( s_nodes, "%.1fM", ed->nodes / 1000000.0 );
-        }
-
-        /* Score */
-        if( ed->score > 0 ) {
-            sprintf( s_score, "+%.2f", ed->score / 100.0 );
-        }
-        else {
-            sprintf( s_score, "%.2f", ed->score / 100.0 );
-        }
-
-        /* Time */
-        sprintf( s_time, "%d:%02d.%02d", time_secs / 60, time_secs % 60, time_cent );
-
-        /* Put all together... */
-        sprintf( buf, "%3d\t%s\t%s\t%s\t", ed->depth, s_score, s_nodes, s_time );
-
-        /* Add PV */
-        buflen = strlen(buf);
-
-        strncpy( buf + buflen, ed->pv, sizeof(buf) - buflen );
-
-        buf[ sizeof(buf) - 3 ] = '\0';
-
-        strcat( buf + buflen, "\r\n" );
-
-        /* Update memo */
-        InsertIntoMemo( ed->hMemo, buf );
-    }
-
-    /* Colors */
-    SetEngineColorIcon( ed->hColorIcon, ed->which );
-}
-
-LRESULT CALLBACK EngineOutputProc( HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam )
-{
-    static SnapData sd;
-
-    switch (message) {
-    case WM_INITDIALOG:
-        if( engineOutputDialog == NULL ) {
-            engineOutputDialog = hDlg;
-
-            RestoreWindowPlacement( hDlg, &wpEngineOutput ); /* Restore window placement */
-
-            ResizeWindowControls( hDlg, windowMode );
-
-            SetEngineState( 0, STATE_IDLE, "" );
-            SetEngineState( 1, STATE_IDLE, "" );
-        }
-
-        return FALSE;
-
-    case WM_COMMAND:
-        switch (LOWORD(wParam)) {
-        case IDOK:
-          EndDialog(hDlg, TRUE);
-          return TRUE;
-
-        case IDCANCEL:
-          EndDialog(hDlg, FALSE);
-          return TRUE;
-
-        default:
-          break;
-        }
-
-        break;
-
-    case WM_GETMINMAXINFO:
-        {
-            MINMAXINFO * mmi = (MINMAXINFO *) lParam;
-
-            mmi->ptMinTrackSize.x = 100;
-            mmi->ptMinTrackSize.y = 160;
-        }
-        break;
-
-    case WM_CLOSE:
-        EngineOutputPopDown();
-        break;
-
-    case WM_SIZE:
-        ResizeWindowControls( hDlg, windowMode );
-        break;
-
-    case WM_ENTERSIZEMOVE:
-        return OnEnterSizeMove( &sd, hDlg, wParam, lParam );
-
-    case WM_SIZING:
-        return OnSizing( &sd, hDlg, wParam, lParam );
-
-    case WM_MOVING:
-        return OnMoving( &sd, hDlg, wParam, lParam );
-
-    case WM_EXITSIZEMOVE:
-        return OnExitSizeMove( &sd, hDlg, wParam, lParam );
-    }
-
-    return FALSE;
-}
-
-VOID EngineOutputPopUp()
-{
-  FARPROC lpProc;
-
-  if( needInit ) {
-      InitializeEngineOutput();
-  }
-
-  CheckMenuItem(GetMenu(hwndMain), IDM_ShowEngineOutput, MF_CHECKED);
-
-  if( engineOutputDialog ) {
-    SendMessage( engineOutputDialog, WM_INITDIALOG, 0, 0 );
-
-    if( ! engineOutputDialogUp ) {
-        ShowWindow(engineOutputDialog, SW_SHOW);
-    }
-  }
-  else {
-    lpProc = MakeProcInstance( (FARPROC) EngineOutputProc, hInst );
-
-    /* Note to self: dialog must have the WS_VISIBLE style set, otherwise it's not shown! */
-    CreateDialog( hInst, MAKEINTRESOURCE(DLG_EngineOutput), hwndMain, (DLGPROC)lpProc );
-
-    FreeProcInstance(lpProc);
-  }
-
-  engineOutputDialogUp = TRUE;
-}
-
-VOID EngineOutputPopDown()
-{
-  CheckMenuItem(GetMenu(hwndMain), IDM_ShowEngineOutput, MF_UNCHECKED);
-
-  if( engineOutputDialog ) {
-      ShowWindow(engineOutputDialog, SW_HIDE);
-  }
-
-  engineOutputDialogUp = FALSE;
-}
-
-BOOL EngineOutputIsUp()
-{
-    return engineOutputDialogUp;
-}
-
-VOID EngineOutputUpdate( FrontEndProgramStats * stats )
-{
-    EngineOutputData ed;
-    BOOL clearMemo = FALSE;
-    int which;
-    int depth;
-
-    if( stats == 0 ) {
-        SetEngineState( 0, STATE_IDLE, "" );
-        SetEngineState( 1, STATE_IDLE, "" );
-        return;
-    }
-
-    which = stats->which;
-    depth = stats->depth;
-
-    if( which < 0 || which > 1 || depth < 0 || stats->time < 0 || stats->pv == 0 ) {
-        return;
-    }
-
-    if( engineOutputDialog == NULL ) {
-        return;
-    }
-
-    VerifyDisplayMode();
-
-    ed.which = which;
-    ed.depth = depth;
-    ed.nodes = stats->nodes;
-    ed.score = stats->score;
-    ed.time = stats->time;
-    ed.pv = stats->pv;
-    ed.hint = stats->hint;
-    ed.an_move_index = stats->an_move_index;
-    ed.an_move_count = stats->an_move_count;
-
-    /* Get target control */
-    if( which == 0 ) {
-        ed.hColorIcon = GetDlgItem( engineOutputDialog, IDC_Color1 );
-        ed.hLabel = GetDlgItem( engineOutputDialog, IDC_EngineLabel1 );
-        ed.hStateIcon = GetDlgItem( engineOutputDialog, IDC_StateIcon1 );
-        ed.hStateData = GetDlgItem( engineOutputDialog, IDC_StateData1 );
-        ed.hLabelNPS = GetDlgItem( engineOutputDialog, IDC_Engine1_NPS );
-        ed.hMemo  = GetDlgItem( engineOutputDialog, IDC_EngineMemo1 );
-        ed.name = first.tidy;
-    }
-    else {
-        ed.hColorIcon = GetDlgItem( engineOutputDialog, IDC_Color2 );
-        ed.hLabel = GetDlgItem( engineOutputDialog, IDC_EngineLabel2 );
-        ed.hStateIcon = GetDlgItem( engineOutputDialog, IDC_StateIcon2 );
-        ed.hStateData = GetDlgItem( engineOutputDialog, IDC_StateData2 );
-        ed.hLabelNPS = GetDlgItem( engineOutputDialog, IDC_Engine2_NPS );
-        ed.hMemo  = GetDlgItem( engineOutputDialog, IDC_EngineMemo2 );
-        ed.name = second.tidy;
-    }
-
-    /* Clear memo if needed */
-    if( lastDepth[which] > depth || (lastDepth[which] == depth && depth <= 1) ) {
-        clearMemo = TRUE;
-    }
-
-    if( lastForwardMostMove[which] != forwardMostMove ) {
-        clearMemo = TRUE;
-    }
-
-    if( clearMemo ) {
-        SendMessage( ed.hMemo, WM_SETTEXT, 0, (LPARAM) "" );
-    }
-
-    /* Update */
-    lastDepth[which] = depth;
-    lastForwardMostMove[which] = forwardMostMove;
-
-    if( ed.pv != 0 && ed.pv[0] == ' ' ) {
-        if( strncmp( ed.pv, " no PV", 6 ) == 0 ) { /* Hack on hack! :-O */
-            ed.pv = "";
-        }
-    }
-
-    UpdateControls( &ed );
-}
+/*\r
+ * Engine output (PV)\r
+ *\r
+ * Author: Alessandro Scotti (Dec 2005)\r
+ *\r
+ * ------------------------------------------------------------------------\r
+ * This program is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; either version 2 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * This program is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with this program; if not, write to the Free Software\r
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.\r
+ * ------------------------------------------------------------------------\r
+ */\r
+#include "config.h"\r
+\r
+#include <windows.h> /* required for all Windows applications */\r
+#include <richedit.h>\r
+#include <stdio.h>\r
+#include <stdlib.h>\r
+#include <malloc.h>\r
+#include <commdlg.h>\r
+#include <dlgs.h>\r
+\r
+#include "common.h"\r
+#include "winboard.h"\r
+#include "frontend.h"\r
+#include "backend.h"\r
+\r
+#include "wsnap.h"\r
+\r
+VOID EngineOutputPopUp();\r
+VOID EngineOutputPopDown();\r
+BOOL EngineOutputIsUp();\r
+\r
+#define SHOW_PONDERING\r
+\r
+/* Imports from backend.c */\r
+char * SavePart(char *str);\r
+\r
+/* Imports from winboard.c */\r
+extern HWND engineOutputDialog;\r
+extern BOOLEAN engineOutputDialogUp;\r
+\r
+extern HINSTANCE hInst;\r
+extern HWND hwndMain;\r
+\r
+extern WindowPlacement wpEngineOutput;\r
+\r
+/* Module variables */\r
+#define H_MARGIN            2\r
+#define V_MARGIN            2\r
+#define LABEL_V_DISTANCE    1   /* Distance between label and memo */\r
+#define SPLITTER_SIZE       4   /* Distance between first memo and second label */\r
+\r
+#define ICON_SIZE           14\r
+\r
+#define STATE_UNKNOWN   -1\r
+#define STATE_THINKING   0\r
+#define STATE_IDLE       1\r
+#define STATE_PONDERING  2\r
+#define STATE_ANALYZING  3\r
+\r
+static int  windowMode = 1;\r
+\r
+static BOOL needInit = TRUE;\r
+\r
+static HICON hiColorBlack = NULL;\r
+static HICON hiColorWhite = NULL;\r
+static HICON hiColorUnknown = NULL;\r
+static HICON hiClear = NULL;\r
+static HICON hiPondering = NULL;\r
+static HICON hiThinking = NULL;\r
+static HICON hiAnalyzing = NULL;\r
+\r
+static int  lastDepth[2] = { -1, -1 };\r
+static int  lastForwardMostMove[2] = { -1, -1 };\r
+static int  engineState[2] = { -1, -1 };\r
+\r
+typedef struct {\r
+    HWND hColorIcon;\r
+    HWND hLabel;\r
+    HWND hStateIcon;\r
+    HWND hStateData;\r
+    HWND hLabelNPS;\r
+    HWND hMemo;\r
+    char * name;\r
+    int which;\r
+    int depth;\r
+    unsigned long nodes;\r
+    int score;\r
+    int time;\r
+    char * pv;\r
+    char * hint;\r
+    int an_move_index;\r
+    int an_move_count;\r
+} EngineOutputData;\r
+\r
+static HICON LoadIconEx( int id )\r
+{\r
+    return LoadImage( hInst, MAKEINTRESOURCE(id), IMAGE_ICON, ICON_SIZE, ICON_SIZE, 0 );\r
+}\r
+\r
+static VOID InitializeEngineOutput()\r
+{\r
+    if( needInit ) {\r
+        hiColorBlack = LoadIconEx( IDI_BLACK_14 );\r
+        hiColorWhite = LoadIconEx( IDI_WHITE_14 );\r
+        hiColorUnknown = LoadIconEx( IDI_UNKNOWN_14 );\r
+        hiClear = LoadIconEx( IDI_TRANS_14 );\r
+        hiPondering = LoadIconEx( IDI_PONDER_14 );\r
+        hiThinking = LoadIconEx( IDI_CLOCK_14 );\r
+        hiAnalyzing = LoadIconEx( IDI_ANALYZE2_14 );\r
+        needInit = FALSE;\r
+    }\r
+}\r
+\r
+static VOID SetControlPos( HWND hDlg, int id, int x, int y, int width, int height )\r
+{\r
+    HWND hControl = GetDlgItem( hDlg, id );\r
+\r
+    SetWindowPos( hControl, HWND_TOP, x, y, width, height, SWP_NOZORDER );\r
+}\r
+\r
+#define HIDDEN_X    20000\r
+#define HIDDEN_Y    20000\r
+\r
+static VOID HideControl( HWND hDlg, int id )\r
+{\r
+    HWND hControl = GetDlgItem( hDlg, id );\r
+    RECT rc;\r
+\r
+    GetWindowRect( hControl, &rc );\r
+\r
+    /* \r
+        Avoid hiding an already hidden control, because that causes many\r
+        unnecessary WM_ERASEBKGND messages!\r
+    */\r
+    if( rc.left != HIDDEN_X || rc.top != HIDDEN_Y ) {\r
+        SetControlPos( hDlg, id, 20000, 20000, 100, 100 );\r
+    }\r
+}\r
+\r
+static int GetControlWidth( HWND hDlg, int id )\r
+{\r
+    RECT rc;\r
+\r
+    GetWindowRect( GetDlgItem( hDlg, id ), &rc );\r
+\r
+    return rc.right - rc.left;\r
+}\r
+\r
+static int GetControlHeight( HWND hDlg, int id )\r
+{\r
+    RECT rc;\r
+\r
+    GetWindowRect( GetDlgItem( hDlg, id ), &rc );\r
+\r
+    return rc.bottom - rc.top;\r
+}\r
+\r
+static int GetHeaderHeight()\r
+{\r
+    int result = GetControlHeight( engineOutputDialog, IDC_EngineLabel1 );\r
+\r
+    if( result < ICON_SIZE ) result = ICON_SIZE;\r
+\r
+    return result;\r
+}\r
+\r
+#define ENGINE_COLOR_WHITE      'w'\r
+#define ENGINE_COLOR_BLACK      'b'\r
+#define ENGINE_COLOR_UNKNOWN    ' '\r
+\r
+char GetEngineColor( int which )\r
+{\r
+    char result = ENGINE_COLOR_UNKNOWN;\r
+\r
+    if( which == 0 || which == 1 ) {\r
+        ChessProgramState * cps;\r
+\r
+        switch (gameMode) {\r
+        case MachinePlaysBlack:\r
+        case IcsPlayingBlack:\r
+            result = ENGINE_COLOR_BLACK;\r
+            break;\r
+        case MachinePlaysWhite:\r
+        case IcsPlayingWhite:\r
+            result = ENGINE_COLOR_WHITE;\r
+            break;\r
+        case AnalyzeMode:\r
+        case AnalyzeFile:\r
+            result = WhiteOnMove(forwardMostMove) ? ENGINE_COLOR_WHITE : ENGINE_COLOR_BLACK;\r
+            break;\r
+        case TwoMachinesPlay:\r
+            cps = (which == 0) ? &first : &second;\r
+            result = cps->twoMachinesColor[0];\r
+            result = result == 'w' ? ENGINE_COLOR_WHITE : ENGINE_COLOR_BLACK;\r
+            break;\r
+        }\r
+    }\r
+\r
+    return result;\r
+}\r
+\r
+char GetActiveEngineColor()\r
+{\r
+    char result = ENGINE_COLOR_UNKNOWN;\r
+\r
+    if( gameMode == TwoMachinesPlay ) {\r
+        result = WhiteOnMove(forwardMostMove) ? ENGINE_COLOR_WHITE : ENGINE_COLOR_BLACK;\r
+    }\r
+\r
+    return result;\r
+}\r
+\r
+static int IsEnginePondering( int which )\r
+{\r
+    int result = FALSE;\r
+\r
+    switch (gameMode) {\r
+    case MachinePlaysBlack:\r
+    case IcsPlayingBlack:\r
+        if( WhiteOnMove(forwardMostMove) ) result = TRUE;\r
+        break;\r
+    case MachinePlaysWhite:\r
+    case IcsPlayingWhite:\r
+        if( ! WhiteOnMove(forwardMostMove) ) result = TRUE;\r
+        break;\r
+    case TwoMachinesPlay:\r
+        if( GetActiveEngineColor() != ENGINE_COLOR_UNKNOWN ) {\r
+            if( GetEngineColor( which ) != GetActiveEngineColor() ) result = TRUE;\r
+        }\r
+        break;\r
+    }\r
+\r
+    return result;\r
+}\r
+\r
+static VOID PositionControlSet( HWND hDlg, int x, int y, int clientWidth, int memoHeight, int idColor, int idEngineLabel, int idNPS, int idMemo, int idStateIcon, int idStateData )\r
+{\r
+    int label_x = x + ICON_SIZE + H_MARGIN;\r
+    int label_h = GetControlHeight( hDlg, IDC_EngineLabel1 );\r
+    int label_y = y + ICON_SIZE - label_h;\r
+    int nps_w = GetControlWidth( hDlg, IDC_Engine1_NPS );\r
+    int nps_x = clientWidth - H_MARGIN - nps_w;\r
+    int state_data_w = GetControlWidth( hDlg, IDC_StateData1 );\r
+    int state_data_x = nps_x - H_MARGIN - state_data_w;\r
+    int state_icon_x = state_data_x - ICON_SIZE - 2;\r
+    int max_w = clientWidth - 2*H_MARGIN;\r
+    int memo_y = y + ICON_SIZE + LABEL_V_DISTANCE;\r
+\r
+    SetControlPos( hDlg, idColor, x, y, ICON_SIZE, ICON_SIZE );\r
+    SetControlPos( hDlg, idEngineLabel, label_x, label_y, state_icon_x - label_x, label_h );\r
+    SetControlPos( hDlg, idStateIcon, state_icon_x, y, ICON_SIZE, ICON_SIZE );\r
+    SetControlPos( hDlg, idStateData, state_data_x, label_y, state_data_w, label_h );\r
+    SetControlPos( hDlg, idNPS, nps_x, label_y, nps_w, label_h );\r
+    SetControlPos( hDlg, idMemo, x, memo_y, max_w, memoHeight );\r
+}\r
+\r
+static VOID ResizeWindowControls( HWND hDlg, int mode )\r
+{\r
+    RECT rc;\r
+    int headerHeight = GetHeaderHeight();\r
+    int labelHeight = GetControlHeight( hDlg, IDC_EngineLabel1 );\r
+    int labelOffset = H_MARGIN + ICON_SIZE + H_MARGIN;\r
+    int labelDeltaY = ICON_SIZE - labelHeight;\r
+    int clientWidth;\r
+    int clientHeight;\r
+    int maxControlWidth;\r
+    int npsWidth;\r
+\r
+    /* Initialize variables */\r
+    GetClientRect( hDlg, &rc );\r
+\r
+    clientWidth = rc.right - rc.left;\r
+    clientHeight = rc.bottom - rc.top;\r
+\r
+    maxControlWidth = clientWidth - 2*H_MARGIN;\r
+\r
+    npsWidth = GetControlWidth( hDlg, IDC_Engine1_NPS );\r
+\r
+    /* Resize controls */\r
+    if( mode == 0 ) {\r
+        /* One engine */\r
+        PositionControlSet( hDlg, H_MARGIN, V_MARGIN, \r
+            clientWidth, \r
+            clientHeight - V_MARGIN - LABEL_V_DISTANCE - headerHeight- V_MARGIN,\r
+            IDC_Color1, IDC_EngineLabel1, IDC_Engine1_NPS, IDC_EngineMemo1, IDC_StateIcon1, IDC_StateData1 );\r
+\r
+        /* Hide controls for the second engine */\r
+        HideControl( hDlg, IDC_Color2 );\r
+        HideControl( hDlg, IDC_EngineLabel2 );\r
+        HideControl( hDlg, IDC_StateIcon2 );\r
+        HideControl( hDlg, IDC_StateData2 );\r
+        HideControl( hDlg, IDC_Engine2_NPS );\r
+        HideControl( hDlg, IDC_EngineMemo2 );\r
+        SendDlgItemMessage( hDlg, IDC_EngineMemo2, WM_SETTEXT, 0, (LPARAM) "" );\r
+        /* TODO: we should also hide/disable them!!! what about tab stops?!?! */\r
+    }\r
+    else {\r
+        /* Two engines */\r
+        int memo_h = (clientHeight - headerHeight*2 - V_MARGIN*2 - LABEL_V_DISTANCE*2 - SPLITTER_SIZE) / 2;\r
+        int header1_y = V_MARGIN;\r
+        int header2_y = V_MARGIN + headerHeight + LABEL_V_DISTANCE + memo_h + SPLITTER_SIZE;\r
+\r
+        PositionControlSet( hDlg, H_MARGIN, header1_y, clientWidth, memo_h,\r
+            IDC_Color1, IDC_EngineLabel1, IDC_Engine1_NPS, IDC_EngineMemo1, IDC_StateIcon1, IDC_StateData1 );\r
+\r
+        PositionControlSet( hDlg, H_MARGIN, header2_y, clientWidth, memo_h,\r
+            IDC_Color2, IDC_EngineLabel2, IDC_Engine2_NPS, IDC_EngineMemo2, IDC_StateIcon2, IDC_StateData2 );\r
+    }\r
+\r
+    InvalidateRect( GetDlgItem(hDlg,IDC_EngineMemo1), NULL, FALSE );\r
+    InvalidateRect( GetDlgItem(hDlg,IDC_EngineMemo2), NULL, FALSE );\r
+}\r
+\r
+static VOID SetDisplayMode( int mode )\r
+{\r
+    if( windowMode != mode ) {\r
+        windowMode = mode;\r
+\r
+        ResizeWindowControls( engineOutputDialog, mode );\r
+    }\r
+}\r
+\r
+static VOID VerifyDisplayMode()\r
+{\r
+    int mode;\r
+\r
+    /* Get proper mode for current game */\r
+    switch( gameMode ) {\r
+    case AnalyzeMode:\r
+    case AnalyzeFile:\r
+    case MachinePlaysWhite:\r
+    case MachinePlaysBlack:\r
+    case IcsPlayingWhite:\r
+    case IcsPlayingBlack:\r
+        mode = 0;\r
+        break;\r
+    case TwoMachinesPlay:\r
+        mode = 1;\r
+        break;\r
+    default:\r
+        /* Do not change */\r
+        return;\r
+    }\r
+\r
+    SetDisplayMode( mode );\r
+}\r
+\r
+static VOID InsertIntoMemo( HWND hMemo, char * text )\r
+{\r
+    SendMessage( hMemo, EM_SETSEL, 0, 0 );\r
+\r
+    SendMessage( hMemo, EM_REPLACESEL, (WPARAM) FALSE, (LPARAM) text );\r
+}\r
+\r
+static VOID SetIcon( HWND hControl, HICON hIcon )\r
+{\r
+    if( hIcon != NULL ) {\r
+        SendMessage( hControl, STM_SETICON, (WPARAM) hIcon, 0 );\r
+    }\r
+}\r
+\r
+static VOID SetEngineColorIcon( HWND hControl, int which )\r
+{\r
+    char color = GetEngineColor(which);\r
+    HICON hicon = NULL;\r
+\r
+    if( color == ENGINE_COLOR_BLACK )\r
+        hicon = hiColorBlack;\r
+    else if( color == ENGINE_COLOR_WHITE )\r
+        hicon = hiColorWhite;\r
+    else\r
+        hicon = hiColorUnknown;\r
+\r
+    SetIcon( hControl, hicon );\r
+}\r
+\r
+static SetEngineState( int which, int state, char * state_data )\r
+{\r
+    int x_which = 1 - which;\r
+    HWND hStateIcon = GetDlgItem( engineOutputDialog, which == 0 ? IDC_StateIcon1 : IDC_StateIcon2 );\r
+    HWND hStateData = GetDlgItem( engineOutputDialog, which == 0 ? IDC_StateData1 : IDC_StateData2 );\r
+\r
+    if( engineState[ which ] != state ) {\r
+        engineState[ which ] = state;\r
+\r
+        switch( state ) {\r
+        case STATE_THINKING:\r
+            SetIcon( hStateIcon, hiThinking );\r
+            if( engineState[ x_which ] == STATE_THINKING ) {\r
+                SetEngineState( x_which, STATE_IDLE, "" );\r
+            }\r
+            break;\r
+        case STATE_PONDERING:\r
+            SetIcon( hStateIcon, hiPondering );\r
+            break;\r
+        case STATE_ANALYZING:\r
+            SetIcon( hStateIcon, hiAnalyzing );\r
+            break;\r
+        default:\r
+            SetIcon( hStateIcon, hiClear );\r
+            break;\r
+        }\r
+    }\r
+\r
+    if( state_data != 0 ) {\r
+        SetWindowText( hStateData, state_data );\r
+    }\r
+}\r
+\r
+#define MAX_NAME_LENGTH 32\r
+\r
+static VOID UpdateControls( EngineOutputData * ed )\r
+{\r
+    BOOL isPondering = FALSE;\r
+\r
+    char s_label[MAX_NAME_LENGTH + 32];\r
+    \r
+    char * name = ed->name;\r
+\r
+    /* Label */\r
+    if( name == 0 || *name == '\0' ) {\r
+        name = "?";\r
+    }\r
+\r
+    strncpy( s_label, name, MAX_NAME_LENGTH );\r
+    s_label[ MAX_NAME_LENGTH-1 ] = '\0';\r
+\r
+#ifdef SHOW_PONDERING\r
+    if( IsEnginePondering( ed->which ) ) {\r
+        char buf[8];\r
+\r
+        buf[0] = '\0';\r
+\r
+        if( ed->hint != 0 && *ed->hint != '\0' ) {\r
+            strncpy( buf, ed->hint, sizeof(buf) );\r
+            buf[sizeof(buf)-1] = '\0';\r
+        }\r
+        else if( ed->pv != 0 && *ed->pv != '\0' ) {\r
+            char * sep = strchr( ed->pv, ' ' );\r
+            int buflen = sizeof(buf);\r
+\r
+            if( sep != NULL ) {\r
+                buflen = sep - ed->pv + 1;\r
+                if( buflen > sizeof(buf) ) buflen = sizeof(buf);\r
+            }\r
+\r
+            strncpy( buf, ed->pv, buflen );\r
+            buf[ buflen-1 ] = '\0';\r
+        }\r
+\r
+        SetEngineState( ed->which, STATE_PONDERING, buf );\r
+    }\r
+    else if( gameMode == TwoMachinesPlay ) {\r
+        SetEngineState( ed->which, STATE_THINKING, "" );\r
+    }\r
+    else if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {\r
+        char buf[64];\r
+        int time_secs = ed->time / 100;\r
+        int time_mins = time_secs / 60;\r
+\r
+        buf[0] = '\0';\r
+\r
+        if( ed->an_move_index != 0 && ed->an_move_count != 0 && *ed->hint != '\0' ) {\r
+            char mov[16];\r
+\r
+            strncpy( mov, ed->hint, sizeof(mov) );\r
+            mov[ sizeof(mov)-1 ] = '\0';\r
+\r
+            sprintf( buf, "%d/%d: %s [%02d:%02d:%02d]", ed->an_move_index, ed->an_move_count, mov, time_mins / 60, time_mins % 60, time_secs % 60 );\r
+        }\r
+\r
+        SetEngineState( ed->which, STATE_ANALYZING, buf );\r
+    }\r
+    else {\r
+        SetEngineState( ed->which, STATE_IDLE, "" );\r
+    }\r
+#endif\r
+\r
+    SetWindowText( ed->hLabel, s_label );\r
+\r
+    s_label[0] = '\0';\r
+\r
+    if( ed->time > 0 && ed->nodes > 0 ) {\r
+        unsigned long nps_100 = ed->nodes / ed->time;\r
+\r
+        if( nps_100 < 100000 ) {\r
+            sprintf( s_label, "NPS: %lu", nps_100 * 100 );\r
+        }\r
+        else {\r
+            sprintf( s_label, "NPS: %.1fk", nps_100 / 10.0 );\r
+        }\r
+    }\r
+\r
+    SetWindowText( ed->hLabelNPS, s_label );\r
+\r
+    /* Memo */\r
+    if( ed->pv != 0 && *ed->pv != '\0' ) {\r
+        char s_nodes[24];\r
+        char s_score[16];\r
+        char s_time[24];\r
+        char buf[256];\r
+        int buflen;\r
+        int time_secs = ed->time / 100;\r
+        int time_cent = ed->time % 100;\r
+\r
+        /* Nodes */\r
+        if( ed->nodes < 1000000 ) {\r
+            sprintf( s_nodes, "%lu", ed->nodes );\r
+        }\r
+        else {\r
+            sprintf( s_nodes, "%.1fM", ed->nodes / 1000000.0 );\r
+        }\r
+\r
+        /* Score */\r
+        if( ed->score > 0 ) {\r
+            sprintf( s_score, "+%.2f", ed->score / 100.0 );\r
+        }\r
+        else {\r
+            sprintf( s_score, "%.2f", ed->score / 100.0 );\r
+        }\r
+\r
+        /* Time */\r
+        sprintf( s_time, "%d:%02d.%02d", time_secs / 60, time_secs % 60, time_cent );\r
+\r
+        /* Put all together... */\r
+        sprintf( buf, "%3d\t%s\t%s\t%s\t", ed->depth, s_score, s_nodes, s_time );\r
+\r
+        /* Add PV */\r
+        buflen = strlen(buf);\r
+\r
+        strncpy( buf + buflen, ed->pv, sizeof(buf) - buflen );\r
+\r
+        buf[ sizeof(buf) - 3 ] = '\0';\r
+\r
+        strcat( buf + buflen, "\r\n" );\r
+\r
+        /* Update memo */\r
+        InsertIntoMemo( ed->hMemo, buf );\r
+    }\r
+\r
+    /* Colors */\r
+    SetEngineColorIcon( ed->hColorIcon, ed->which );\r
+}\r
+\r
+LRESULT CALLBACK EngineOutputProc( HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam )\r
+{\r
+    static SnapData sd;\r
+\r
+    switch (message) {\r
+    case WM_INITDIALOG:\r
+        if( engineOutputDialog == NULL ) {\r
+            engineOutputDialog = hDlg;\r
+\r
+            RestoreWindowPlacement( hDlg, &wpEngineOutput ); /* Restore window placement */\r
+\r
+            ResizeWindowControls( hDlg, windowMode );\r
+\r
+            SetEngineState( 0, STATE_IDLE, "" );\r
+            SetEngineState( 1, STATE_IDLE, "" );\r
+        }\r
+\r
+        return FALSE;\r
+\r
+    case WM_COMMAND:\r
+        switch (LOWORD(wParam)) {\r
+        case IDOK:\r
+          EndDialog(hDlg, TRUE);\r
+          return TRUE;\r
+\r
+        case IDCANCEL:\r
+          EndDialog(hDlg, FALSE);\r
+          return TRUE;\r
+\r
+        default:\r
+          break;\r
+        }\r
+\r
+        break;\r
+\r
+    case WM_GETMINMAXINFO:\r
+        {\r
+            MINMAXINFO * mmi = (MINMAXINFO *) lParam;\r
+        \r
+            mmi->ptMinTrackSize.x = 100;\r
+            mmi->ptMinTrackSize.y = 160;\r
+        }\r
+        break;\r
+\r
+    case WM_CLOSE:\r
+        EngineOutputPopDown();\r
+        break;\r
+\r
+    case WM_SIZE:\r
+        ResizeWindowControls( hDlg, windowMode );\r
+        break;\r
+\r
+    case WM_ENTERSIZEMOVE:\r
+        return OnEnterSizeMove( &sd, hDlg, wParam, lParam );\r
+\r
+    case WM_SIZING:\r
+        return OnSizing( &sd, hDlg, wParam, lParam );\r
+\r
+    case WM_MOVING:\r
+        return OnMoving( &sd, hDlg, wParam, lParam );\r
+\r
+    case WM_EXITSIZEMOVE:\r
+        return OnExitSizeMove( &sd, hDlg, wParam, lParam );\r
+    }\r
+\r
+    return FALSE;\r
+}\r
+\r
+VOID EngineOutputPopUp()\r
+{\r
+  FARPROC lpProc;\r
+\r
+  if( needInit ) {\r
+      InitializeEngineOutput();\r
+  }\r
+  \r
+  CheckMenuItem(GetMenu(hwndMain), IDM_ShowEngineOutput, MF_CHECKED);\r
+\r
+  if( engineOutputDialog ) {\r
+    SendMessage( engineOutputDialog, WM_INITDIALOG, 0, 0 );\r
+\r
+    if( ! engineOutputDialogUp ) {\r
+        ShowWindow(engineOutputDialog, SW_SHOW);\r
+    }\r
+  }\r
+  else {\r
+    lpProc = MakeProcInstance( (FARPROC) EngineOutputProc, hInst );\r
+\r
+    /* Note to self: dialog must have the WS_VISIBLE style set, otherwise it's not shown! */\r
+    CreateDialog( hInst, MAKEINTRESOURCE(DLG_EngineOutput), hwndMain, (DLGPROC)lpProc );\r
+\r
+    FreeProcInstance(lpProc);\r
+  }\r
+\r
+  engineOutputDialogUp = TRUE;\r
+}\r
+\r
+VOID EngineOutputPopDown()\r
+{\r
+  CheckMenuItem(GetMenu(hwndMain), IDM_ShowEngineOutput, MF_UNCHECKED);\r
+\r
+  if( engineOutputDialog ) {\r
+      ShowWindow(engineOutputDialog, SW_HIDE);\r
+  }\r
+\r
+  engineOutputDialogUp = FALSE;\r
+}\r
+\r
+BOOL EngineOutputIsUp()\r
+{\r
+    return engineOutputDialogUp;\r
+}\r
+\r
+VOID EngineOutputUpdate( FrontEndProgramStats * stats )\r
+{\r
+    EngineOutputData ed;\r
+    BOOL clearMemo = FALSE;\r
+    int which;\r
+    int depth;\r
+\r
+    if( stats == 0 ) {\r
+        SetEngineState( 0, STATE_IDLE, "" );\r
+        SetEngineState( 1, STATE_IDLE, "" );\r
+        return;\r
+    }\r
+\r
+    which = stats->which;\r
+    depth = stats->depth;\r
+\r
+    if( which < 0 || which > 1 || depth < 0 || stats->time < 0 || stats->pv == 0 ) {\r
+        return;\r
+    }\r
+\r
+    if( engineOutputDialog == NULL ) {\r
+        return;\r
+    }\r
+\r
+    VerifyDisplayMode();\r
+\r
+    ed.which = which;\r
+    ed.depth = depth;\r
+    ed.nodes = stats->nodes;\r
+    ed.score = stats->score;\r
+    ed.time = stats->time;\r
+    ed.pv = stats->pv;\r
+    ed.hint = stats->hint;\r
+    ed.an_move_index = stats->an_move_index;\r
+    ed.an_move_count = stats->an_move_count;\r
+\r
+    /* Get target control */\r
+    if( which == 0 ) {\r
+        ed.hColorIcon = GetDlgItem( engineOutputDialog, IDC_Color1 );\r
+        ed.hLabel = GetDlgItem( engineOutputDialog, IDC_EngineLabel1 );\r
+        ed.hStateIcon = GetDlgItem( engineOutputDialog, IDC_StateIcon1 );\r
+        ed.hStateData = GetDlgItem( engineOutputDialog, IDC_StateData1 );\r
+        ed.hLabelNPS = GetDlgItem( engineOutputDialog, IDC_Engine1_NPS );\r
+        ed.hMemo  = GetDlgItem( engineOutputDialog, IDC_EngineMemo1 );\r
+        ed.name = first.tidy;\r
+    }\r
+    else {\r
+        ed.hColorIcon = GetDlgItem( engineOutputDialog, IDC_Color2 );\r
+        ed.hLabel = GetDlgItem( engineOutputDialog, IDC_EngineLabel2 );\r
+        ed.hStateIcon = GetDlgItem( engineOutputDialog, IDC_StateIcon2 );\r
+        ed.hStateData = GetDlgItem( engineOutputDialog, IDC_StateData2 );\r
+        ed.hLabelNPS = GetDlgItem( engineOutputDialog, IDC_Engine2_NPS );\r
+        ed.hMemo  = GetDlgItem( engineOutputDialog, IDC_EngineMemo2 );\r
+        ed.name = second.tidy;\r
+    }\r
+\r
+    /* Clear memo if needed */\r
+    if( lastDepth[which] > depth || (lastDepth[which] == depth && depth <= 1) ) {\r
+        clearMemo = TRUE;\r
+    }\r
+\r
+    if( lastForwardMostMove[which] != forwardMostMove ) {\r
+        clearMemo = TRUE;\r
+    }\r
+\r
+    if( clearMemo ) {\r
+        SendMessage( ed.hMemo, WM_SETTEXT, 0, (LPARAM) "" );\r
+    }\r
+\r
+    /* Update */\r
+    lastDepth[which] = depth;\r
+    lastForwardMostMove[which] = forwardMostMove;\r
+\r
+    if( ed.pv != 0 && ed.pv[0] == ' ' ) {\r
+        if( strncmp( ed.pv, " no PV", 6 ) == 0 ) { /* Hack on hack! :-O */\r
+            ed.pv = "";\r
+        }\r
+    }\r
+\r
+    UpdateControls( &ed );\r
+}\r