https://git.reactos.org/?p=reactos.git;a=commitdiff;h=f6c565bc22e18eb308cc9c072530a6ffdf0b67db
commit f6c565bc22e18eb308cc9c072530a6ffdf0b67db Author: Carlo-Bramini <[email protected]> AuthorDate: Mon Aug 6 20:22:36 2018 +0200 Commit: Hermès Bélusca-Maïto <[email protected]> CommitDate: Mon Mar 18 01:34:01 2019 +0100 [CALC] Add support for HTML-Help. CORE-15019 --- base/applications/calc/CMakeLists.txt | 1 + base/applications/calc/calc.h | 16 +++++++++ base/applications/calc/htmlhelp.c | 67 +++++++++++++++++++++++++++++++++++ base/applications/calc/winmain.c | 14 +++++--- 4 files changed, 94 insertions(+), 4 deletions(-) diff --git a/base/applications/calc/CMakeLists.txt b/base/applications/calc/CMakeLists.txt index a92c7c3911..ffe0ee3a5e 100644 --- a/base/applications/calc/CMakeLists.txt +++ b/base/applications/calc/CMakeLists.txt @@ -7,6 +7,7 @@ list(APPEND SOURCE rpn_ieee.c utl_ieee.c winmain.c + htmlhelp.c calc.h) file(GLOB calc_rc_deps res/*.*) diff --git a/base/applications/calc/calc.h b/base/applications/calc/calc.h index afbc813d83..db984f0760 100644 --- a/base/applications/calc/calc.h +++ b/base/applications/calc/calc.h @@ -51,6 +51,22 @@ #define MAX_CALC_SIZE 256 +/* HTMLHELP SUPPORT */ +typedef HWND (WINAPI* type_HtmlHelpA)(HWND, LPCSTR, UINT, DWORD); +typedef HWND (WINAPI* type_HtmlHelpW)(HWND, LPCWSTR, UINT, DWORD); + +extern type_HtmlHelpA calc_HtmlHelpA; +extern type_HtmlHelpW calc_HtmlHelpW; + +#ifndef UNICODE +#define calc_HtmlHelp calc_HtmlHelpA +#else +#define calc_HtmlHelp calc_HtmlHelpW +#endif + +void HtmlHelp_Start(HINSTANCE hInstance); +void HtmlHelp_Stop(void); + /*#define USE_KEYBOARD_HOOK*/ #define SIZEOF(_ar) (sizeof(_ar)/sizeof(_ar[1])) diff --git a/base/applications/calc/htmlhelp.c b/base/applications/calc/htmlhelp.c new file mode 100644 index 0000000000..a306ae441b --- /dev/null +++ b/base/applications/calc/htmlhelp.c @@ -0,0 +1,67 @@ +/* + * ReactOS Calc (HtmlHelp support) + * + * Copyright 2007-2017, Carlo Bramini + * + * This program 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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "calc.h" + +#define GET_CB(name) \ + calc_##name = (type_##name)GetProcAddress(hHtmlHelp, #name); \ + if (calc_##name == NULL) calc_##name = dummy_##name; + +static HWND WINAPI +dummy_HtmlHelpA(HWND hWnd, LPCSTR pszFile, UINT uCommand, DWORD dwData); + +static HWND WINAPI +dummy_HtmlHelpW(HWND hWnd, LPCWSTR pszFile, UINT uCommand, DWORD dwData); + +type_HtmlHelpA calc_HtmlHelpA = dummy_HtmlHelpA; +type_HtmlHelpW calc_HtmlHelpW = dummy_HtmlHelpW; + +static HMODULE hHtmlHelp; + +static HWND WINAPI +dummy_HtmlHelpA(HWND hWnd, LPCSTR pszFile, UINT uCommand, DWORD dwData) +{ + return NULL; +} + +static HWND WINAPI +dummy_HtmlHelpW(HWND hWnd, LPCWSTR pszFile, UINT uCommand, DWORD dwData) +{ + return NULL; +} + +void HtmlHelp_Start(HINSTANCE hInstance) +{ + hHtmlHelp = LoadLibrary(_T("HTMLHELP")); + if (hHtmlHelp == NULL) + return; + + GET_CB(HtmlHelpW) + GET_CB(HtmlHelpA) +} + +void HtmlHelp_Stop(void) +{ + if(hHtmlHelp == NULL) + return; + + FreeLibrary(hHtmlHelp); + hHtmlHelp = NULL; +} diff --git a/base/applications/calc/winmain.c b/base/applications/calc/winmain.c index ad9b5763b4..696e3ee9df 100644 --- a/base/applications/calc/winmain.c +++ b/base/applications/calc/winmain.c @@ -20,7 +20,7 @@ #include "calc.h" -#define HTMLHELP_PATH(_pt) TEXT("%systemroot%\\Help\\calc.chm::") TEXT(_pt) +#define HTMLHELP_PATH(_pt) _T("%systemroot%\\Help\\calc.chm::") _T(_pt) #define MAKE_BITMASK4(_show_b16, _show_b10, _show_b8, _show_b2) \ (((_show_b2) << 0) | \ @@ -1181,7 +1181,7 @@ static void handle_context_menu(HWND hWnd, WPARAM wp, LPARAM lp) popup.rcMargins.left = -1; popup.rcMargins.right = -1; popup.idString = GetWindowLongPtr((HWND)wp, GWL_ID); - HtmlHelp((HWND)wp, HTMLHELP_PATH("/popups.txt"), HH_DISPLAY_TEXT_POPUP, (DWORD_PTR)&popup); + calc_HtmlHelp((HWND)wp, HTMLHELP_PATH("/popups.txt"), HH_DISPLAY_TEXT_POPUP, (DWORD_PTR)&popup); } #else (void)idm; @@ -1272,8 +1272,9 @@ static INT_PTR CALLBACK DlgMainProc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp) return SubclassButtonProc(hWnd, wp, lp); case WM_INITDIALOG: - // For now, the Help dialog is disabled because of lacking of HTML Help support +#ifdef DISABLE_HTMLHELP_SUPPORT EnableMenuItem(GetMenu(hWnd), IDM_HELP_HELP, MF_BYCOMMAND | MF_GRAYED); +#endif calc.hWnd=hWnd; #ifdef USE_KEYBOARD_HOOK @@ -1358,7 +1359,7 @@ static INT_PTR CALLBACK DlgMainProc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp) } case IDM_HELP_HELP: #ifndef DISABLE_HTMLHELP_SUPPORT - HtmlHelp(hWnd, HTMLHELP_PATH("/general_information.htm"), HH_DISPLAY_TOPIC, (DWORD_PTR)NULL); + calc_HtmlHelp(hWnd, HTMLHELP_PATH("/general_information.htm"), HH_DISPLAY_TOPIC, (DWORD_PTR)NULL); #endif return TRUE; case IDM_VIEW_STANDARD: @@ -1763,6 +1764,7 @@ static INT_PTR CALLBACK DlgMainProc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp) calc.action = IDC_STATIC; DestroyWindow(hWnd); return TRUE; + case WM_DESTROY: /* Get (x,y) position of the calculator */ GetWindowRect(hWnd, &rc); @@ -1812,6 +1814,8 @@ int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdL load_config(); start_rpn_engine(); + HtmlHelp_Start(hInstance); + do { /* ignore hwnd: dialogs are already visible! */ if (calc.layout == CALC_LAYOUT_SCIENTIFIC) @@ -1839,5 +1843,7 @@ int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdL stop_rpn_engine(); + HtmlHelp_Stop(); + return 0; }
