-/*
- * Move history for WinBoard
- *
- * Author: Alessandro Scotti
- *
- * ------------------------------------------------------------------------
- * 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 MoveHistorySet( char movelist[][2*MOVE_LEN], int first, int last, int current, ChessProgramStats_Move * pvInfo );
-VOID MoveHistoryPopUp();
-VOID MoveHistoryPopDown();
-BOOL MoveHistoryIsUp();
-
-/* Imports from backend.c */
-char * SavePart(char *str);
-
-/* Imports from winboard.c */
-extern HWND moveHistoryDialog;
-extern BOOLEAN moveHistoryDialogUp;
-
-extern HINSTANCE hInst;
-extern HWND hwndMain;
-
-extern WindowPlacement wpMoveHistory;
-
-/* Module globals */
-typedef char MoveHistoryString[ MOVE_LEN*2 ];
-
-static int lastFirst = 0;
-static int lastLast = 0;
-static int lastCurrent = -1;
-
-static MoveHistoryString * currMovelist;
-static ChessProgramStats_Move * currPvInfo;
-static int currFirst = 0;
-static int currLast = 0;
-static int currCurrent = -1;
-
-typedef struct {
- int memoOffset;
- int memoLength;
-} HistoryMove;
-
-static HistoryMove histMoves[ MAX_MOVES ];
-
-#define WM_REFRESH_HISTORY (WM_USER+4657)
-
-#define DEFAULT_COLOR 0xFFFFFFFF
-
-#define H_MARGIN 2
-#define V_MARGIN 2
-
-/* Note: in the following code a "Memo" is a Rich Edit control (it's Delphi lingo) */
-
-static VOID HighlightMove( int index, BOOL highlight )
-{
- if( index >= 0 && index < MAX_MOVES ) {
- CHARFORMAT cf;
- HWND hMemo = GetDlgItem( moveHistoryDialog, IDC_MoveHistory );
-
- SendMessage( hMemo,
- EM_SETSEL,
- histMoves[index].memoOffset,
- histMoves[index].memoOffset + histMoves[index].memoLength );
-
-
- /* Set style */
- ZeroMemory( &cf, sizeof(cf) );
-
- cf.cbSize = sizeof(cf);
- cf.dwMask = CFM_BOLD | CFM_COLOR;
-
- if( highlight ) {
- cf.dwEffects |= CFE_BOLD;
- cf.crTextColor = RGB( 0x00, 0x00, 0xFF );
- }
- else {
- cf.dwEffects |= CFE_AUTOCOLOR;
- }
-
- SendMessage( hMemo, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM) &cf );
- }
-}
-
-static BOOL OnlyCurrentPositionChanged()
-{
- BOOL result = FALSE;
-
- if( lastFirst >= 0 &&
- lastLast >= lastFirst &&
- lastCurrent >= lastFirst &&
- currFirst == lastFirst &&
- currLast == lastLast &&
- currCurrent >= 0 &&
- TRUE )
- {
- result = TRUE;
- }
-
- return result;
-}
-
-static BOOL OneMoveAppended()
-{
- BOOL result = FALSE;
-
- if( lastCurrent >= 0 && lastCurrent >= lastFirst && lastLast >= lastFirst &&
- currCurrent >= 0 && currCurrent >= currFirst && currLast >= currFirst &&
- lastFirst == currFirst &&
- lastLast == (currLast-1) &&
- lastCurrent == (currCurrent-1) &&
- currCurrent == (currLast-1) &&
- TRUE )
- {
- result = TRUE;
- }
-
- return result;
-}
-
-static VOID ClearMemo()
-{
- SendDlgItemMessage( moveHistoryDialog, IDC_MoveHistory, WM_SETTEXT, 0, (LPARAM) "" );
-}
-
-static int AppendToMemo( char * text, DWORD flags, DWORD color )
-{
- CHARFORMAT cf;
-
- HWND hMemo = GetDlgItem( moveHistoryDialog, IDC_MoveHistory );
-
- /* Select end of text */
- int cbTextLen = (int) SendMessage( hMemo, WM_GETTEXTLENGTH, 0, 0 );
-
- SendMessage( hMemo, EM_SETSEL, cbTextLen, cbTextLen );
-
- /* Set style */
- ZeroMemory( &cf, sizeof(cf) );
-
- cf.cbSize = sizeof(cf);
- cf.dwMask = CFM_BOLD | CFM_ITALIC | CFM_COLOR | CFM_UNDERLINE;
- cf.dwEffects = flags;
-
- if( color != DEFAULT_COLOR ) {
- cf.crTextColor = color;
- }
- else {
- cf.dwEffects |= CFE_AUTOCOLOR;
- }
-
- SendMessage( hMemo, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM) &cf );
-
- /* Append text */
- SendMessage( hMemo, EM_REPLACESEL, (WPARAM) FALSE, (LPARAM) text );
-
- /* Return offset of appended text */
- return cbTextLen;
-}
-
-static VOID AppendMoveToMemo( int index )
-{
- char buf[64];
- DWORD flags = 0;
- DWORD color = DEFAULT_COLOR;
-
- if( index < 0 || index >= MAX_MOVES ) {
- return;
- }
-
- buf[0] = '\0';
-
- /* Move number */
- if( (index % 2) == 0 ) {
- sprintf( buf, "%d.%s ", (index / 2)+1, index & 1 ? ".." : "" );
- AppendToMemo( buf, CFE_BOLD, DEFAULT_COLOR );
- }
-
- /* Move text */
- strcpy( buf, SavePart( currMovelist[index] ) );
- strcat( buf, " " );
-
- histMoves[index].memoOffset = AppendToMemo( buf, flags, color );
- histMoves[index].memoLength = strlen(buf)-1;
-
- /* PV info (if any) */
- if( appData.showEvalInMoveHistory && currPvInfo[index].depth > 0 ) {
- sprintf( buf, "%{%s%.2f/%d} ",
- currPvInfo[index].score >= 0 ? "+" : "",
- currPvInfo[index].score / 100.0,
- currPvInfo[index].depth );
-
- AppendToMemo( buf, flags,
- color == DEFAULT_COLOR ? GetSysColor(COLOR_GRAYTEXT) : color );
- }
-}
-
-static void RefreshMemoContent()
-{
- int i;
-
- ClearMemo();
-
- for( i=currFirst; i<currLast; i++ ) {
- AppendMoveToMemo( i );
- }
-}
-
-static void MemoContentUpdated()
-{
- int caretPos;
-
- HighlightMove( lastCurrent, FALSE );
- HighlightMove( currCurrent, TRUE );
-
- lastFirst = currFirst;
- lastLast = currLast;
- lastCurrent = currCurrent;
-
- /* Deselect any text, move caret to end of memo */
- if( currCurrent >= 0 ) {
- caretPos = histMoves[currCurrent].memoOffset + histMoves[currCurrent].memoLength;
- }
- else {
- caretPos = (int) SendDlgItemMessage( moveHistoryDialog, IDC_MoveHistory, WM_GETTEXTLENGTH, 0, 0 );
- }
-
- SendDlgItemMessage( moveHistoryDialog, IDC_MoveHistory, EM_SETSEL, caretPos, caretPos );
-
- SendDlgItemMessage( moveHistoryDialog, IDC_MoveHistory, EM_SCROLLCARET, 0, 0 );
-}
-
-int FindMoveByCharIndex( int char_index )
-{
- int index;
-
- for( index=currFirst; index<currLast; index++ ) {
- if( char_index >= histMoves[index].memoOffset &&
- char_index < (histMoves[index].memoOffset + histMoves[index].memoLength) )
- {
- return index;
- }
- }
-
- return -1;
-}
-
-LRESULT CALLBACK HistoryDialogProc( HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam )
-{
- static SnapData sd;
-
- switch (message) {
- case WM_INITDIALOG:
- if( moveHistoryDialog == NULL ) {
- moveHistoryDialog = hDlg;
-
- /* Enable word wrapping and notifications */
- SendDlgItemMessage( moveHistoryDialog, IDC_MoveHistory, EM_SETTARGETDEVICE, 0, 0 );
-
- SendDlgItemMessage( moveHistoryDialog, IDC_MoveHistory, EM_SETEVENTMASK, 0, ENM_MOUSEEVENTS );
-
- /* Restore window placement */
- RestoreWindowPlacement( hDlg, &wpMoveHistory );
- }
-
- /* Update memo */
- RefreshMemoContent();
-
- MemoContentUpdated();
-
- 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_NOTIFY:
- if( wParam == IDC_MoveHistory ) {
- MSGFILTER * lpMF = (MSGFILTER *) lParam;
-
- if( lpMF->msg == WM_LBUTTONDBLCLK && (lpMF->wParam & (MK_CONTROL | MK_SHIFT)) == 0 ) {
- POINTL pt;
- LRESULT index;
-
- pt.x = LOWORD( lpMF->lParam );
- pt.y = HIWORD( lpMF->lParam );
-
- index = SendDlgItemMessage( hDlg, IDC_MoveHistory, EM_CHARFROMPOS, 0, (LPARAM) &pt );
-
- index = FindMoveByCharIndex( index );
-
- if( index >= 0 ) {
- ToNrEvent( index + 1 );
- }
-
- /* Zap the message for good: apparently, returning non-zero is not enough */
- lpMF->msg = WM_USER;
-
- return TRUE;
- }
- }
- break;
-
- case WM_REFRESH_HISTORY:
- /* Update the GUI */
- if( OnlyCurrentPositionChanged() ) {
- /* Only "cursor" changed, no need to update memo content */
- }
- else if( OneMoveAppended() ) {
- AppendMoveToMemo( currCurrent );
- }
- else {
- RefreshMemoContent();
- }
-
- MemoContentUpdated();
-
- break;
-
- case WM_SIZE:
- SetWindowPos( GetDlgItem( moveHistoryDialog, IDC_MoveHistory ),
- HWND_TOP,
- H_MARGIN, V_MARGIN,
- LOWORD(lParam) - 2*H_MARGIN,
- HIWORD(lParam) - 2*V_MARGIN,
- SWP_NOZORDER );
- break;
-
- case WM_GETMINMAXINFO:
- {
- MINMAXINFO * mmi = (MINMAXINFO *) lParam;
-
- mmi->ptMinTrackSize.x = 100;
- mmi->ptMinTrackSize.y = 100;
- }
- break;
-
- case WM_CLOSE:
- MoveHistoryPopDown();
- 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 MoveHistoryPopUp()
-{
- FARPROC lpProc;
-
- CheckMenuItem(GetMenu(hwndMain), IDM_ShowMoveHistory, MF_CHECKED);
-
- if( moveHistoryDialog ) {
- SendMessage( moveHistoryDialog, WM_INITDIALOG, 0, 0 );
-
- if( ! moveHistoryDialogUp ) {
- ShowWindow(moveHistoryDialog, SW_SHOW);
- }
- }
- else {
- lpProc = MakeProcInstance( (FARPROC) HistoryDialogProc, hInst );
-
- /* Note to self: dialog must have the WS_VISIBLE style set, otherwise it's not shown! */
- CreateDialog( hInst, MAKEINTRESOURCE(DLG_MoveHistory), hwndMain, (DLGPROC)lpProc );
-
- FreeProcInstance(lpProc);
- }
-
- moveHistoryDialogUp = TRUE;
-}
-
-VOID MoveHistoryPopDown()
-{
- CheckMenuItem(GetMenu(hwndMain), IDM_ShowMoveHistory, MF_UNCHECKED);
-
- if( moveHistoryDialog ) {
- ShowWindow(moveHistoryDialog, SW_HIDE);
- }
-
- moveHistoryDialogUp = FALSE;
-}
-
-VOID MoveHistorySet( char movelist[][2*MOVE_LEN], int first, int last, int current, ChessProgramStats_Move * pvInfo )
-{
- /* [AS] Danger! For now we rely on the movelist parameter being a static variable! */
-
- currMovelist = movelist;
- currFirst = first;
- currLast = last;
- currCurrent = current;
- currPvInfo = pvInfo;
-
- if( moveHistoryDialog ) {
- SendMessage( moveHistoryDialog, WM_REFRESH_HISTORY, 0, 0 );
- }
-}
-
-BOOL MoveHistoryIsUp()
-{
- return moveHistoryDialogUp;
-}
+/*\r
+ * Move history for WinBoard\r
+ *\r
+ * Author: Alessandro Scotti (Dec 2005)\r
+ * front-end code split off by HGM\r
+ *\r
+ * Copyright 2005 Alessandro Scotti\r
+ *\r
+ * Enhancements Copyright 2009, 2010, 2014, 2015 Free Software Foundation, Inc.\r
+ *\r
+ * ------------------------------------------------------------------------\r
+ *\r
+ * GNU XBoard 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 3 of the License, or (at\r
+ * your option) any later version.\r
+ *\r
+ * GNU XBoard is distributed in the hope that it will be useful, but\r
+ * WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\r
+ * 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, see http://www.gnu.org/licenses/.\r
+ *\r
+ * ------------------------------------------------------------------------\r
+ ** See the file ChangeLog for a revision history. */\r
+\r
+#include "config.h"\r
+\r
+#include <stdio.h>\r
+#include <stdlib.h>\r
+#include <malloc.h>\r
+#include <windows.h> /* required for all Windows applications */\r
+#include <richedit.h>\r
+#include <commdlg.h>\r
+#include <dlgs.h>\r
+\r
+#include "common.h"\r
+#include "frontend.h"\r
+#include "backend.h"\r
+#include "winboard.h"\r
+#include "wsnap.h"\r
+\r
+// templates for calls into back-end\r
+void RefreshMemoContent P((void));\r
+void MemoContentUpdated P((void));\r
+void FindMoveByCharIndex P(( int char_index ));\r
+\r
+#define DEFAULT_COLOR 0xFFFFFFFF\r
+\r
+#define H_MARGIN 2\r
+#define V_MARGIN 2\r
+\r
+static BOOLEAN moveHistoryDialogUp = FALSE;\r
+\r
+// ------------- low-level front-end actions called by MoveHistory back-end -----------------\r
+\r
+// low-level front-end, after calculating from & to is left to caller\r
+// it task is to highlight the indicated characters. (In WinBoard it makes them bold and blue.)\r
+void HighlightMove( int from, int to, Boolean highlight )\r
+{\r
+ CHARFORMAT cf;\r
+ HWND hMemo = GetDlgItem( moveHistoryDialog, IDC_MoveHistory );\r
+\r
+ SendMessage( hMemo, EM_SETSEL, from, to);\r
+\r
+\r
+ /* Set style */\r
+ ZeroMemory( &cf, sizeof(cf) );\r
+\r
+ cf.cbSize = sizeof(cf);\r
+ cf.dwMask = CFM_BOLD | CFM_COLOR;\r
+\r
+ if( highlight ) {\r
+ cf.dwEffects |= CFE_BOLD;\r
+ cf.crTextColor = RGB( 0x00, 0x00, 0xFF );\r
+ }\r
+ else {\r
+ cf.dwEffects |= CFE_AUTOCOLOR;\r
+ }\r
+\r
+ SendMessage( hMemo, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM) &cf );\r
+}\r
+\r
+// low-level front-end, but replace Windows data types to make it callable from back-end\r
+// its task is to clear the contents of the move-history text edit\r
+void ClearHistoryMemo()\r
+{\r
+ SendDlgItemMessage( moveHistoryDialog, IDC_MoveHistory, WM_SETTEXT, 0, (LPARAM) "" );\r
+}\r
+\r
+// low-level front-end, made callable from back-end by passing flags and color numbers\r
+// its task is to append the given text to the text edit\r
+// the bold argument says 0 = normal, 1 = bold typeface\r
+// the colorNr argument says 0 = font-default, 1 = gray\r
+int AppendToHistoryMemo( char * text, int bold, int colorNr )\r
+{\r
+ CHARFORMAT cf;\r
+ DWORD flags = bold ? CFE_BOLD :0;\r
+ DWORD color = colorNr ? GetSysColor(COLOR_GRAYTEXT) : DEFAULT_COLOR;\r
+\r
+ HWND hMemo = GetDlgItem( moveHistoryDialog, IDC_MoveHistory );\r
+\r
+ /* Select end of text */\r
+ int cbTextLen = (int) SendMessage( hMemo, WM_GETTEXTLENGTH, 0, 0 );\r
+\r
+ SendMessage( hMemo, EM_SETSEL, cbTextLen, cbTextLen );\r
+\r
+ /* Set style */\r
+ ZeroMemory( &cf, sizeof(cf) );\r
+\r
+ cf.cbSize = sizeof(cf);\r
+ cf.dwMask = CFM_BOLD | CFM_ITALIC | CFM_COLOR | CFM_UNDERLINE;\r
+ cf.dwEffects = flags;\r
+\r
+ if( color != DEFAULT_COLOR ) {\r
+ cf.crTextColor = color;\r
+ }\r
+ else {\r
+ cf.dwEffects |= CFE_AUTOCOLOR;\r
+ }\r
+\r
+ SendMessage( hMemo, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM) &cf );\r
+\r
+ /* Append text */\r
+ SendMessage( hMemo, EM_REPLACESEL, (WPARAM) FALSE, (LPARAM) text );\r
+\r
+ /* Return offset of appended text */\r
+ return cbTextLen;\r
+}\r
+\r
+// low-level front-end; wrapper for the code to scroll the mentioned character in view (-1 = end)\r
+void ScrollToCurrent(int caretPos)\r
+{\r
+ if(caretPos < 0)\r
+ caretPos = (int) SendDlgItemMessage( moveHistoryDialog, IDC_MoveHistory, WM_GETTEXTLENGTH, 0, 0 );\r
+ SendDlgItemMessage( moveHistoryDialog, IDC_MoveHistory, EM_SETSEL, caretPos, caretPos );\r
+\r
+ SendDlgItemMessage( moveHistoryDialog, IDC_MoveHistory, EM_SCROLLCARET, 0, 0 );\r
+}\r
+\r
+\r
+// ------------------------------ call backs --------------------------\r
+\r
+// front-end. Universal call-back for any event. Recognized vents are dialog creation, OK and cancel button-press\r
+// (dead code, as these buttons do not exist?), mouse clicks on the text edit, and moving / sizing\r
+LRESULT CALLBACK HistoryDialogProc( HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam )\r
+{\r
+ static SnapData sd;\r
+\r
+ switch (message) {\r
+ case WM_INITDIALOG:\r
+ if( moveHistoryDialog == NULL ) {\r
+ moveHistoryDialog = hDlg;\r
+ Translate(hDlg, DLG_MoveHistory);\r
+\r
+ /* Enable word wrapping and notifications */\r
+ SendDlgItemMessage( moveHistoryDialog, IDC_MoveHistory, EM_SETTARGETDEVICE, 0, 0 );\r
+\r
+ SendDlgItemMessage( moveHistoryDialog, IDC_MoveHistory, EM_SETEVENTMASK, 0, ENM_MOUSEEVENTS );\r
+\r
+ /* Set font */\r
+ SendDlgItemMessage( moveHistoryDialog, IDC_MoveHistory, WM_SETFONT, (WPARAM)font[boardSize][MOVEHISTORY_FONT]->hf, MAKELPARAM(TRUE, 0 ));\r
+\r
+ /* Restore window placement */\r
+ RestoreWindowPlacement( hDlg, &wpMoveHistory );\r
+ }\r
+\r
+ /* Update memo */\r
+ RefreshMemoContent();\r
+\r
+ MemoContentUpdated();\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_NOTIFY:\r
+ if( wParam == IDC_MoveHistory ) {\r
+ MSGFILTER * lpMF = (MSGFILTER *) lParam;\r
+\r
+ if( lpMF->msg == WM_LBUTTONDBLCLK && (lpMF->wParam & (MK_CONTROL | MK_SHIFT)) == 0 ) {\r
+ POINTL pt;\r
+ LRESULT index;\r
+\r
+ pt.x = LOWORD( lpMF->lParam );\r
+ pt.y = HIWORD( lpMF->lParam );\r
+\r
+ index = SendDlgItemMessage( hDlg, IDC_MoveHistory, EM_CHARFROMPOS, 0, (LPARAM) &pt );\r
+\r
+ FindMoveByCharIndex( index ); // [HGM] also does the actual moving to it, now\r
+\r
+ /* Zap the message for good: apparently, returning non-zero is not enough */\r
+ lpMF->msg = WM_USER;\r
+\r
+ return TRUE;\r
+ }\r
+ }\r
+ break;\r
+\r
+ case WM_SIZE:\r
+ SetWindowPos( GetDlgItem( moveHistoryDialog, IDC_MoveHistory ),\r
+ HWND_TOP,\r
+ H_MARGIN, V_MARGIN,\r
+ LOWORD(lParam) - 2*H_MARGIN,\r
+ HIWORD(lParam) - 2*V_MARGIN,\r
+ SWP_NOZORDER );\r
+ break;\r
+\r
+ case WM_GETMINMAXINFO:\r
+ {\r
+ MINMAXINFO * mmi = (MINMAXINFO *) lParam;\r
+ \r
+ mmi->ptMinTrackSize.x = 100;\r
+ mmi->ptMinTrackSize.y = 100;\r
+ }\r
+ break;\r
+\r
+ case WM_CLOSE:\r
+ MoveHistoryPopDown();\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
+// ------------ standard entry points into MoveHistory code -----------\r
+\r
+// front-end\r
+VOID MoveHistoryPopUp()\r
+{\r
+ FARPROC lpProc;\r
+ \r
+ CheckMenuItem(GetMenu(hwndMain), IDM_ShowMoveHistory, MF_CHECKED);\r
+\r
+ if( moveHistoryDialog ) {\r
+ SendMessage( moveHistoryDialog, WM_INITDIALOG, 0, 0 );\r
+\r
+ if( ! moveHistoryDialogUp ) {\r
+ ShowWindow(moveHistoryDialog, SW_SHOW);\r
+ }\r
+ }\r
+ else {\r
+ lpProc = MakeProcInstance( (FARPROC) HistoryDialogProc, hInst );\r
+\r
+ /* Note to self: dialog must have the WS_VISIBLE style set, otherwise it's not shown! */\r
+ CreateDialog( hInst, MAKEINTRESOURCE(DLG_MoveHistory), hwndMain, (DLGPROC)lpProc );\r
+\r
+ FreeProcInstance(lpProc);\r
+ }\r
+\r
+ moveHistoryDialogUp = TRUE;\r
+\r
+// Note that in WIndows creating the dialog causes its call-back to perform\r
+// RefreshMemoContent() and MemoContentUpdated() immediately after it is realized.\r
+// To port this to X we might have to do that from here.\r
+}\r
+\r
+// front-end\r
+VOID MoveHistoryPopDown()\r
+{\r
+ CheckMenuItem(GetMenu(hwndMain), IDM_ShowMoveHistory, MF_UNCHECKED);\r
+\r
+ if( moveHistoryDialog ) {\r
+ ShowWindow(moveHistoryDialog, SW_HIDE);\r
+ }\r
+\r
+ moveHistoryDialogUp = FALSE;\r
+}\r
+\r
+// front-end\r
+Boolean MoveHistoryIsUp()\r
+{\r
+ return moveHistoryDialogUp;\r
+}\r
+\r
+// front-end\r
+Boolean MoveHistoryDialogExists()\r
+{\r
+ return moveHistoryDialog != NULL;\r
+}\r