Add beginnings of the Help viewer.
diff --git a/dlls/hhctrl.ocx/help.c b/dlls/hhctrl.ocx/help.c
new file mode 100644
index 0000000..a929556
--- /dev/null
+++ b/dlls/hhctrl.ocx/help.c
@@ -0,0 +1,250 @@
+/*
+ * Help Viewer Implementation
+ *
+ * Copyright 2005 James Hawkins
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <stdarg.h>
+
+#include "windef.h"
+#include "winbase.h"
+#include "wingdi.h"
+#include "winuser.h"
+#include "winnls.h"
+#include "commctrl.h"
+#include "htmlhelp.h"
+#include "ole2.h"
+
+/* Window type defaults */
+
+#define WINTYPE_DEFAULT_X 280
+#define WINTYPE_DEFAULT_Y 100
+#define WINTYPE_DEFAULT_WIDTH 740
+#define WINTYPE_DEFAULT_HEIGHT 640
+
+typedef struct tagHHInfo
+{
+ HH_WINTYPEW *pHHWinType;
+ HINSTANCE hInstance;
+ LPCWSTR szCmdLine;
+ HFONT hFont;
+} HHInfo;
+
+static LPWSTR HH_ANSIToUnicode(LPCSTR ansi)
+{
+ LPWSTR unicode;
+ int count;
+
+ count = MultiByteToWideChar(CP_ACP, 0, ansi, -1, NULL, 0);
+ unicode = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR));
+ MultiByteToWideChar(CP_ACP, 0, ansi, -1, unicode, count);
+
+ return unicode;
+}
+
+/* Toolbar */
+
+static BOOL HH_AddToolbar(HHInfo *pHHInfo)
+{
+ return TRUE;
+}
+
+/* Navigation Pane */
+
+static BOOL HH_AddNavigationPane(HHInfo *pHHInfo)
+{
+ return TRUE;
+}
+
+/* HTML Pane */
+
+static BOOL HH_AddHTMLPane(HHInfo *pHHInfo)
+{
+ return TRUE;
+}
+
+/* Viewer Window */
+
+LRESULT CALLBACK Help_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
+{
+ PAINTSTRUCT ps;
+ HDC hdc;
+
+ switch (message)
+ {
+
+ case WM_PAINT:
+ hdc = BeginPaint(hWnd, &ps);
+ EndPaint(hWnd, &ps);
+ break;
+ case WM_DESTROY:
+ PostQuitMessage(0);
+ break;
+
+ default:
+ return DefWindowProcW(hWnd, message, wParam, lParam);
+ }
+
+ return 0;
+}
+
+static BOOL HH_CreateHelpWindow(HHInfo *pHHInfo)
+{
+ HWND hWnd;
+ HINSTANCE hInstance = pHHInfo->hInstance;
+ WNDCLASSEXW wcex;
+ DWORD dwStyles, dwExStyles;
+ DWORD x, y, width, height;
+
+ static const WCHAR windowClassW[] = {
+ 'H','H',' ', 'P','a','r','e','n','t',0
+ };
+
+ static const WCHAR windowTitleW[] = {
+ 'H','T','M','L',' ','H','e','l','p',0
+ };
+
+ wcex.cbSize = sizeof(WNDCLASSEXW);
+ wcex.style = CS_HREDRAW | CS_VREDRAW;
+ wcex.lpfnWndProc = (WNDPROC)Help_WndProc;
+ wcex.cbClsExtra = 0;
+ wcex.cbWndExtra = 0;
+ wcex.hInstance = hInstance;
+ wcex.hIcon = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
+ wcex.hCursor = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
+ wcex.hbrBackground = (HBRUSH)(COLOR_BACKGROUND + 1);
+ wcex.lpszMenuName = NULL;
+ wcex.lpszClassName = windowClassW;
+ wcex.hIconSm = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
+
+ RegisterClassExW(&wcex);
+
+ dwStyles = WS_OVERLAPPEDWINDOW | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
+ dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR |
+ WS_EX_WINDOWEDGE | WS_EX_APPWINDOW;
+
+ /* these will be loaded from the CHM file in the future if they're provided */
+ x = WINTYPE_DEFAULT_X;
+ y = WINTYPE_DEFAULT_Y;
+ width = WINTYPE_DEFAULT_WIDTH;
+ height = WINTYPE_DEFAULT_HEIGHT;
+
+ hWnd = CreateWindowExW(dwExStyles, windowClassW, windowTitleW, dwStyles,
+ x, y, width, height, NULL, NULL, hInstance, NULL);
+ if (!hWnd)
+ return FALSE;
+
+ ShowWindow(hWnd, SW_SHOW);
+ UpdateWindow(hWnd);
+
+ /* store the pointer to the HH info struct */
+ SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)pHHInfo);
+
+ pHHInfo->pHHWinType->hwndHelp = hWnd;
+ return TRUE;
+}
+
+static void HH_CreateFont(HHInfo *pHHInfo)
+{
+ LOGFONTW lf;
+
+ GetObjectW(GetStockObject(ANSI_VAR_FONT), sizeof(LOGFONTW), &lf);
+ lf.lfWeight = FW_NORMAL;
+ lf.lfItalic = FALSE;
+ lf.lfUnderline = FALSE;
+
+ pHHInfo->hFont = CreateFontIndirectW(&lf);
+}
+
+static void HH_InitRequiredControls(DWORD dwControls)
+{
+ INITCOMMONCONTROLSEX icex;
+
+ icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
+ icex.dwICC = dwControls;
+ InitCommonControlsEx(&icex);
+}
+
+/* Creates the whole package */
+static BOOL HH_CreateViewer(HHInfo *pHHInfo)
+{
+ HH_CreateFont(pHHInfo);
+
+ if (!HH_CreateHelpWindow(pHHInfo))
+ return FALSE;
+
+ HH_InitRequiredControls(ICC_BAR_CLASSES);
+
+ if (!HH_AddToolbar(pHHInfo))
+ return FALSE;
+
+ if (!HH_AddNavigationPane(pHHInfo))
+ return FALSE;
+
+ if (!HH_AddHTMLPane(pHHInfo))
+ return FALSE;
+
+ return TRUE;
+}
+
+static HHInfo *HH_OpenHH(HINSTANCE hInstance, LPCWSTR szCmdLine)
+{
+ HHInfo *pHHInfo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(HHInfo));
+
+ pHHInfo->pHHWinType = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(HH_WINTYPEW));
+ pHHInfo->hInstance = hInstance;
+ pHHInfo->szCmdLine = szCmdLine;
+
+ return pHHInfo;
+}
+
+static void HH_Close(HHInfo *pHHInfo)
+{
+ if (!pHHInfo)
+ return;
+
+ HeapFree(GetProcessHeap(), 0, pHHInfo->pHHWinType);
+}
+
+/* FIXME: Check szCmdLine for bad arguments */
+int WINAPI doWinMain(HINSTANCE hInstance, LPSTR szCmdLine)
+{
+ MSG msg;
+ HHInfo *pHHInfo;
+
+ if (OleInitialize(NULL) != S_OK)
+ return -1;
+
+ pHHInfo = HH_OpenHH(hInstance, HH_ANSIToUnicode(szCmdLine));
+ if (!pHHInfo || !HH_CreateViewer(pHHInfo))
+ {
+ OleUninitialize();
+ return -1;
+ }
+
+ while (GetMessageW(&msg, 0, 0, 0))
+ {
+ TranslateMessage(&msg);
+ DispatchMessageW(&msg);
+ }
+
+ HH_Close(pHHInfo);
+ HeapFree(GetProcessHeap(), 0, pHHInfo);
+ OleUninitialize();
+
+ return 0;
+}
