X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/74a4e547b35f162350dcf205aa453fd32820d249..5dda68e8cf413ef970e2aed330c01af2aeae856a:/windows.c

diff --git a/windows.c b/windows.c
index 7689993..494caae 100644
--- a/windows.c
+++ b/windows.c
@@ -7,6 +7,7 @@
 
 #include <stdio.h>
 #include <assert.h>
+#include <ctype.h>
 #include <stdarg.h>
 #include <stdlib.h>
 #include <time.h>
@@ -20,8 +21,13 @@
 #define IDM_QUIT      0x0050
 #define IDM_CONFIG    0x0060
 #define IDM_SEED      0x0070
+#define IDM_HELPC     0x0080
+#define IDM_GAMEHELP  0x0090
 #define IDM_PRESETS   0x0100
 
+#define HELP_FILE_NAME  "puzzles.hlp"
+#define HELP_CNT_NAME   "puzzles.cnt"
+
 #ifdef DEBUG
 static FILE *debug_fp = NULL;
 static HANDLE debug_hdl = INVALID_HANDLE_VALUE;
@@ -97,6 +103,8 @@ struct frontend {
     struct cfg_aux *cfgaux;
     int cfg_which, cfg_done;
     HFONT cfgfont;
+    char *help_path;
+    int help_has_contents;
 };
 
 void fatal(char *fmt, ...)
@@ -309,7 +317,36 @@ void activate_timer(frontend *fe)
     }
 }
 
-static frontend *new_window(HINSTANCE inst)
+/*
+ * See if we can find a help file.
+ */
+static void find_help_file(frontend *fe)
+{
+    char b[2048], *p, *q, *r;
+    FILE *fp;
+    if (!fe->help_path) {
+        GetModuleFileName(NULL, b, sizeof(b) - 1);
+        r = b;
+        p = strrchr(b, '\\');
+        if (p && p >= r) r = p+1;
+        q = strrchr(b, ':');
+        if (q && q >= r) r = q+1;
+        strcpy(r, HELP_FILE_NAME);
+        if ( (fp = fopen(b, "r")) != NULL) {
+            fe->help_path = dupstr(b);
+            fclose(fp);
+        } else
+            fe->help_path = NULL;
+        strcpy(r, HELP_CNT_NAME);
+        if ( (fp = fopen(b, "r")) != NULL) {
+            fe->help_has_contents = TRUE;
+            fclose(fp);
+        } else
+            fe->help_has_contents = FALSE;
+    }
+}
+
+static frontend *new_window(HINSTANCE inst, char *game_id, char **error)
 {
     frontend *fe;
     int x, y;
@@ -322,6 +359,18 @@ static frontend *new_window(HINSTANCE inst)
     time(&t);
     fe->me = midend_new(fe, &t, sizeof(t));
 
+    if (game_id) {
+        *error = midend_game_id(fe->me, game_id, FALSE);
+        if (*error) {
+            midend_free(fe->me);
+            sfree(fe);
+            return NULL;
+        }
+    }
+
+    fe->help_path = NULL;
+    find_help_file(fe);
+
     fe->inst = inst;
     midend_new_game(fe->me);
     midend_size(fe->me, &x, &y);
@@ -405,6 +454,19 @@ static frontend *new_window(HINSTANCE inst)
 	AppendMenu(menu, MF_ENABLED, IDM_REDO, "Redo");
 	AppendMenu(menu, MF_SEPARATOR, 0, 0);
 	AppendMenu(menu, MF_ENABLED, IDM_QUIT, "Exit");
+        if (fe->help_path) {
+            HMENU hmenu = CreateMenu();
+            AppendMenu(bar, MF_ENABLED|MF_POPUP, (UINT)hmenu, "Help");
+            AppendMenu(hmenu, MF_ENABLED, IDM_HELPC, "Contents");
+            if (game_winhelp_topic) {
+                char *item;
+                assert(game_name);
+                item = snewn(9+strlen(game_name), char); /*ick*/
+                sprintf(item, "Help on %s", game_name);
+                AppendMenu(hmenu, MF_ENABLED, IDM_GAMEHELP, item);
+                sfree(item);
+            }
+        }
 	SetMenu(fe->hwnd, bar);
     }
 
@@ -836,6 +898,21 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
 	    if (get_config(fe, CFG_SEED))
 		new_game_type(fe);
 	    break;
+          case IDM_HELPC:
+            assert(fe->help_path);
+            WinHelp(hwnd, fe->help_path,
+                    fe->help_has_contents ? HELP_FINDER : HELP_CONTENTS, 0);
+            break;
+          case IDM_GAMEHELP:
+            assert(fe->help_path);
+            assert(game_winhelp_topic);
+            {
+                char *cmd = snewn(10+strlen(game_winhelp_topic), char); /*ick*/
+                sprintf(cmd, "JI(`',`%s')", game_winhelp_topic);
+                WinHelp(hwnd, fe->help_path, HELP_COMMAND, (DWORD)cmd);
+                sfree(cmd);
+            }
+            break;
 	  default:
 	    {
 		int p = ((wParam &~ 0xF) - IDM_PRESETS) / 0x10;
@@ -940,8 +1017,8 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
 	    else
 		button = RIGHT_BUTTON;
 
-	    if (!midend_process_key(fe->me, LOWORD(lParam),
-				    HIWORD(lParam), button))
+	    if (!midend_process_key(fe->me, (signed short)LOWORD(lParam),
+				    (signed short)HIWORD(lParam), button))
 		PostQuitMessage(0);
 
 	    SetCapture(hwnd);
@@ -965,8 +1042,8 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
 	    else
 		button = RIGHT_RELEASE;
 
-	    if (!midend_process_key(fe->me, LOWORD(lParam),
-				    HIWORD(lParam), button))
+	    if (!midend_process_key(fe->me, (signed short)LOWORD(lParam),
+				    (signed short)HIWORD(lParam), button))
 		PostQuitMessage(0);
 
 	    ReleaseCapture();
@@ -983,8 +1060,8 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
 	    else
 		button = RIGHT_DRAG;
 	    
-	    if (!midend_process_key(fe->me, LOWORD(lParam),
-				    HIWORD(lParam), button))
+	    if (!midend_process_key(fe->me, (signed short)LOWORD(lParam),
+				    (signed short)HIWORD(lParam), button))
 		PostQuitMessage(0);
 	}
 	break;
@@ -1008,6 +1085,7 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
 int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
 {
     MSG msg;
+    char *error;
 
     InitCommonControls();
 
@@ -1028,7 +1106,15 @@ int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
 	RegisterClass(&wndclass);
     }
 
-    new_window(inst);
+    while (*cmdline && isspace(*cmdline))
+	cmdline++;
+
+    if (!new_window(inst, *cmdline ? cmdline : NULL, &error)) {
+	char buf[128];
+	sprintf(buf, "%.100s Error", game_name);
+	MessageBox(NULL, error, buf, MB_OK|MB_ICONERROR);
+	return 1;
+    }
 
     while (GetMessage(&msg, NULL, 0, 0)) {
 	DispatchMessage(&msg);