2 * wevalgraph.c - Evaluation graph front-end part
\r
4 * Author: Alessandro Scotti (Dec 2005)
\r
6 * Copyright 2005 Alessandro Scotti
\r
8 * ------------------------------------------------------------------------
\r
10 * GNU XBoard is free software: you can redistribute it and/or modify
\r
11 * it under the terms of the GNU General Public License as published by
\r
12 * the Free Software Foundation, either version 3 of the License, or (at
\r
13 * your option) any later version.
\r
15 * GNU XBoard is distributed in the hope that it will be useful, but
\r
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
\r
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
\r
18 * General Public License for more details.
\r
20 * You should have received a copy of the GNU General Public License
\r
21 * along with this program. If not, see http://www.gnu.org/licenses/. *
\r
23 *------------------------------------------------------------------------
\r
24 ** See the file ChangeLog for a revision history. */
\r
26 // code refactored by HGM to obtain front-end / back-end separation
\r
30 #include <windows.h>
\r
31 #include <commdlg.h>
\r
36 #include "frontend.h"
\r
37 #include "backend.h"
\r
38 #include "winboard.h"
\r
39 #include "evalgraph.h"
\r
42 #define WM_REFRESH_GRAPH (WM_USER + 1)
\r
44 /* Module globals */
\r
45 static BOOLEAN evalGraphDialogUp;
\r
47 static COLORREF crWhite = RGB( 0xFF, 0xFF, 0xB0 );
\r
48 static COLORREF crBlack = RGB( 0xAD, 0x5D, 0x3D );
\r
50 static HDC hdcPB = NULL;
\r
51 static HBITMAP hbmPB = NULL;
\r
52 static HPEN pens[6]; // [HGM] put all pens in one array
\r
53 static HBRUSH hbrHist[3] = { NULL, NULL, NULL };
\r
55 Boolean EvalGraphIsUp()
\r
57 return evalGraphDialogUp;
\r
60 // [HGM] front-end, added as wrapper to avoid use of LineTo and MoveToEx in other routines (so they can be back-end)
\r
61 void DrawSegment( int x, int y, int *lastX, int *lastY, int penType )
\r
64 if(penType == PEN_NONE) MoveToEx( hdcPB, x, y, &stPt ); else {
\r
65 HPEN hp = SelectObject( hdcPB, pens[penType] );
\r
66 LineTo( hdcPB, x, y );
\r
67 SelectObject( hdcPB, hp );
\r
69 if(lastX != NULL) { *lastX = stPt.x; *lastY = stPt.y; }
\r
72 // front-end wrapper for drawing functions to do rectangles
\r
73 void DrawRectangle( int left, int top, int right, int bottom, int side, int style )
\r
75 HPEN hp = SelectObject( hdcPB, pens[PEN_BLACK] );
\r
78 rc.top = top; rc.left = left; rc.bottom = bottom; rc.right = right;
\r
80 FillRect( hdcPB, &rc, hbrHist[side] );
\r
82 SelectObject( hdcPB, hbrHist[side] );
\r
83 Rectangle( hdcPB, left, top, right, bottom );
\r
85 SelectObject( hdcPB, hp );
\r
88 // front-end wrapper for putting text in graph
\r
89 void DrawEvalText(char *buf, int cbBuf, int y)
\r
92 SetBkMode( hdcPB, TRANSPARENT );
\r
93 GetTextExtentPoint32( hdcPB, buf, cbBuf, &stSize );
\r
94 TextOut( hdcPB, MarginX - stSize.cx - 2, y - stSize.cy / 2, buf, cbBuf );
\r
98 static HBRUSH CreateBrush( UINT style, COLORREF color )
\r
102 stLB.lbStyle = style;
\r
103 stLB.lbColor = color;
\r
106 return CreateBrushIndirect( &stLB );
\r
109 // front-end. Create pens, device context and buffer bitmap for global use, copy result to display
\r
110 // The back-end part n the middle has been taken out and moed to PainEvalGraph()
\r
111 static VOID DisplayEvalGraph( HWND hWnd, HDC hDC )
\r
117 /* Get client area */
\r
118 GetClientRect( hWnd, &rcClient );
\r
120 width = rcClient.right - rcClient.left;
\r
121 height = rcClient.bottom - rcClient.top;
\r
123 /* Create or recreate paint box if needed */
\r
124 if( hbmPB == NULL || width != nWidthPB || height != nHeightPB ) {
\r
125 if( pens[PEN_DOTTED] == NULL ) {
\r
126 pens[PEN_BLACK] = GetStockObject(BLACK_PEN);
\r
127 pens[PEN_DOTTED] = CreatePen( PS_DOT, 0, RGB(0xA0,0xA0,0xA0) );
\r
128 pens[PEN_BLUEDOTTED] = CreatePen( PS_DOT, 0, RGB(0x00,0x00,0xFF) );
\r
129 pens[PEN_BOLD] = CreatePen( PS_SOLID, 2, crWhite );
\r
130 pens[PEN_BOLD+1] = CreatePen( PS_SOLID, 2, crBlack );
\r
131 hbrHist[0] = CreateBrush( BS_SOLID, crWhite );
\r
132 hbrHist[1] = CreateBrush( BS_SOLID, crBlack );
\r
133 hbrHist[2] = CreateBrush( BS_SOLID, GetSysColor( COLOR_3DFACE ) ); // background
\r
136 if( hdcPB != NULL ) {
\r
141 if( hbmPB != NULL ) {
\r
142 DeleteObject( hbmPB );
\r
146 hdcPB = CreateCompatibleDC( hDC );
\r
149 nHeightPB = height;
\r
150 hbmPB = CreateCompatibleBitmap( hDC, nWidthPB, nHeightPB );
\r
152 SelectObject( hdcPB, hbmPB );
\r
155 // back-end painting; calls back front-end primitives for lines, rectangles and text
\r
158 /* Copy bitmap into destination DC */
\r
159 BitBlt( hDC, 0, 0, nWidthPB, nHeightPB, hdcPB, 0, 0, SRCCOPY );
\r
162 // Note: Once the eval graph is opened, this window-proc lives forever; een closing the
\r
163 // eval-graph window merely hides it. On opening we re-initialize it, though, so it could
\r
164 // as well hae been destroyed. While it is open it processes the REFRESH_GRAPH commands.
\r
165 LRESULT CALLBACK EvalGraphProc( HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam )
\r
167 static SnapData sd;
\r
173 case WM_INITDIALOG:
\r
174 if( evalGraphDialog == NULL ) {
\r
175 evalGraphDialog = hDlg;
\r
177 RestoreWindowPlacement( hDlg, &wpEvalGraph ); /* Restore window placement */
\r
183 switch (LOWORD(wParam)) {
\r
185 EndDialog(hDlg, TRUE);
\r
189 EndDialog(hDlg, FALSE);
\r
198 case WM_ERASEBKGND:
\r
202 hDC = BeginPaint( hDlg, &stPS );
\r
203 DisplayEvalGraph( hDlg, hDC );
\r
204 EndPaint( hDlg, &stPS );
\r
207 case WM_REFRESH_GRAPH:
\r
208 hDC = GetDC( hDlg );
\r
209 DisplayEvalGraph( hDlg, hDC );
\r
210 ReleaseDC( hDlg, hDC );
\r
213 case WM_LBUTTONDBLCLK:
\r
214 if( wParam == 0 || wParam == MK_LBUTTON ) {
\r
215 int index = GetMoveIndexFromPoint( LOWORD(lParam), HIWORD(lParam) );
\r
217 if( index >= 0 && index < currLast ) {
\r
218 ToNrEvent( index + 1 );
\r
224 InvalidateRect( hDlg, NULL, FALSE );
\r
227 case WM_GETMINMAXINFO:
\r
229 MINMAXINFO * mmi = (MINMAXINFO *) lParam;
\r
231 mmi->ptMinTrackSize.x = 100;
\r
232 mmi->ptMinTrackSize.y = 100;
\r
236 /* Support for captionless window */
\r
238 EvalGraphPopDown();
\r
241 case WM_ENTERSIZEMOVE:
\r
242 return OnEnterSizeMove( &sd, hDlg, wParam, lParam );
\r
245 return OnSizing( &sd, hDlg, wParam, lParam );
\r
248 return OnMoving( &sd, hDlg, wParam, lParam );
\r
250 case WM_EXITSIZEMOVE:
\r
251 return OnExitSizeMove( &sd, hDlg, wParam, lParam );
\r
257 // creates the eval graph, or unhides it.
\r
258 VOID EvalGraphPopUp()
\r
262 CheckMenuItem(GetMenu(hwndMain), IDM_ShowEvalGraph, MF_CHECKED);
\r
264 if( evalGraphDialog ) {
\r
265 SendMessage( evalGraphDialog, WM_INITDIALOG, 0, 0 );
\r
267 if( ! evalGraphDialogUp ) {
\r
268 ShowWindow(evalGraphDialog, SW_SHOW);
\r
272 crWhite = appData.evalHistColorWhite;
\r
273 crBlack = appData.evalHistColorBlack;
\r
275 lpProc = MakeProcInstance( (FARPROC) EvalGraphProc, hInst );
\r
277 /* Note to self: dialog must have the WS_VISIBLE style set, otherwise it's not shown! */
\r
278 CreateDialog( hInst, MAKEINTRESOURCE(DLG_EvalGraph), hwndMain, (DLGPROC)lpProc );
\r
280 FreeProcInstance(lpProc);
\r
283 evalGraphDialogUp = TRUE;
\r
286 // Note that this hides the window. It could as well have destroyed it.
\r
287 VOID EvalGraphPopDown()
\r
289 CheckMenuItem(GetMenu(hwndMain), IDM_ShowEvalGraph, MF_UNCHECKED);
\r
291 if( evalGraphDialog ) {
\r
292 ShowWindow(evalGraphDialog, SW_HIDE);
\r
295 evalGraphDialogUp = FALSE;
\r
298 // This function is the interface to the back-end. It is currently called through the front-end,
\r
299 // though, where it shares the HistorySet() wrapper with MoveHistorySet(). Once all front-ends
\r
300 // support the eval graph, it would be more logical to call it directly from the back-end.
\r
301 VOID EvalGraphSet( int first, int last, int current, ChessProgramStats_Move * pvInfo )
\r
303 /* [AS] Danger! For now we rely on the pvInfo parameter being a static variable! */
\r
307 currCurrent = current;
\r
308 currPvInfo = pvInfo;
\r
310 if( evalGraphDialog ) {
\r
311 SendMessage( evalGraphDialog, WM_REFRESH_GRAPH, 0, 0 );
\r