Erich Hoover : hhctrl.ocx: Support jumping to a help topic with 'mapid'.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: db94b0c63631f3279c3e508010661c31efd13ac5
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=db94b0c63631f3279c3e508010661c31efd13ac5

Author: Erich Hoover <ehoover at mines.edu>
Date:   Thu Jan 28 16:16:54 2010 -0700

hhctrl.ocx: Support jumping to a help topic with 'mapid'.

---

 dlls/hhctrl.ocx/hhctrl.c |   38 ++++++++++++++++++++++++++++++++++++--
 1 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/dlls/hhctrl.ocx/hhctrl.c b/dlls/hhctrl.ocx/hhctrl.c
index 8268a21..c8ae0a1 100644
--- a/dlls/hhctrl.ocx/hhctrl.c
+++ b/dlls/hhctrl.ocx/hhctrl.c
@@ -272,12 +272,42 @@ HWND WINAPI HtmlHelpA(HWND caller, LPCSTR filename, UINT command, DWORD_PTR data
 int WINAPI doWinMain(HINSTANCE hInstance, LPSTR szCmdLine)
 {
     MSG msg;
-    int len, buflen;
+    int len, buflen, mapid = -1;
     WCHAR *filename;
     char *endq = NULL;
 
     hh_process = TRUE;
 
+    /* Parse command line option of the HTML Help command.
+     *
+     * Note: The only currently handled action is "mapid",
+     *  which corresponds to opening a specific page.
+     */
+    while(*szCmdLine == '-')
+    {
+        LPSTR space, ptr;
+
+        ptr = szCmdLine + 1;
+        space = strchr(ptr, ' ');
+        if(!strncmp(ptr, "mapid", space-ptr))
+        {
+            char idtxt[10];
+
+            ptr += strlen("mapid")+1;
+            space = strchr(ptr, ' ');
+            memcpy(idtxt, ptr, space-ptr);
+            idtxt[space-ptr] = '\0';
+            filename += (space-ptr)+1;
+            mapid = atoi(idtxt);
+            szCmdLine = space+1;
+        }
+        else
+        {
+            FIXME("Unhandled HTML Help command line parameter! (%.*s)\n", space-szCmdLine, szCmdLine);
+            return 0;
+        }
+    }
+
     /* FIXME: Check szCmdLine for bad arguments */
     if (*szCmdLine == '\"')
         endq = strchr(++szCmdLine, '\"');
@@ -291,7 +321,11 @@ int WINAPI doWinMain(HINSTANCE hInstance, LPSTR szCmdLine)
     MultiByteToWideChar(CP_ACP, 0, szCmdLine, len, filename, buflen);
     filename[buflen-1] = 0;
 
-    HtmlHelpW(GetDesktopWindow(), filename, HH_DISPLAY_TOPIC, 0);
+    /* Open a specific help topic */
+    if(mapid != -1)
+        HtmlHelpW(GetDesktopWindow(), filename, HH_HELP_CONTEXT, mapid);
+    else
+        HtmlHelpW(GetDesktopWindow(), filename, HH_DISPLAY_TOPIC, 0);
 
     heap_free(filename);