mirror of
https://github.com/reactos/reactos.git
synced 2024-12-29 10:35:28 +00:00
1064 lines
33 KiB
C
1064 lines
33 KiB
C
/*
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* PROJECT: ReactOS On-Screen Keyboard
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* LICENSE: GPL - See COPYING in the top level directory
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* PURPOSE: On-screen keyboard.
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* COPYRIGHT: Denis ROBERT
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* Copyright 2019-2020 George Bișoc (george.bisoc@reactos.org)
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* Baruch Rutman (peterooch at gmail dot com)
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*/
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/* INCLUDES *******************************************************************/
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#include "precomp.h"
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/* GLOBALS ********************************************************************/
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OSK_GLOBALS Globals;
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OSK_KEYLEDINDICATOR LedKey[] =
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{
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{VK_NUMLOCK, IDC_LED_NUM, 0x0145, FALSE},
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{VK_CAPITAL, IDC_LED_CAPS, 0x013A, FALSE},
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{VK_SCROLL, IDC_LED_SCROLL, 0x0146, FALSE}
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};
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/* FUNCTIONS ******************************************************************/
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/***********************************************************************
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*
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* OSK_SetImage
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*
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* Set an image on a button
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*/
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int OSK_SetImage(int IdDlgItem, int IdResource)
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{
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HICON hIcon;
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HWND hWndItem;
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hIcon = (HICON)LoadImageW(Globals.hInstance, MAKEINTRESOURCEW(IdResource),
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IMAGE_ICON, 16, 16, LR_DEFAULTCOLOR);
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if (hIcon == NULL)
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return FALSE;
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hWndItem = GetDlgItem(Globals.hMainWnd, IdDlgItem);
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if (hWndItem == NULL)
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{
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DestroyIcon(hIcon);
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return FALSE;
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}
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SendMessageW(hWndItem, BM_SETIMAGE, (WPARAM)IMAGE_ICON, (LPARAM)hIcon);
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/* The system automatically deletes these resources when the process that created them terminates (MSDN) */
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return TRUE;
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}
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/***********************************************************************
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*
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* OSK_SetText
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*
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* Update the text of a button according to the relevant language resource
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*/
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void OSK_SetText(int IdDlgItem, int IdResource)
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{
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WCHAR szText[MAX_PATH];
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HWND hWndItem;
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hWndItem = GetDlgItem(Globals.hMainWnd, IdDlgItem);
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if (hWndItem == NULL)
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return;
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LoadStringW(Globals.hInstance, IdResource, szText, _countof(szText));
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SetWindowTextW(hWndItem, szText);
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}
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/***********************************************************************
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*
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* OSK_WarningProc
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*
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* Function handler for the warning dialog box on startup
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*/
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INT_PTR CALLBACK OSK_WarningProc(HWND hDlg, UINT Msg, WPARAM wParam, LPARAM lParam)
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{
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UNREFERENCED_PARAMETER(lParam);
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switch (Msg)
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{
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case WM_INITDIALOG:
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{
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return TRUE;
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}
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case WM_COMMAND:
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{
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switch (LOWORD(wParam))
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{
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case IDC_SHOWWARNINGCHECK:
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{
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Globals.bShowWarning = !IsDlgButtonChecked(hDlg, IDC_SHOWWARNINGCHECK);
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return TRUE;
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}
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case IDOK:
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case IDCANCEL:
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{
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EndDialog(hDlg, LOWORD(wParam));
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return TRUE;
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}
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}
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break;
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}
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}
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return FALSE;
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}
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/***********************************************************************
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*
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* OSK_WarningDlgThread
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*
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* Thread procedure routine for the warning dialog box
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*/
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DWORD WINAPI OSK_WarningDlgThread(LPVOID lpParameter)
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{
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HINSTANCE hInstance = (HINSTANCE)lpParameter;
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DialogBoxW(hInstance, MAKEINTRESOURCEW(IDD_WARNINGDIALOG_OSK), Globals.hMainWnd, OSK_WarningProc);
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return 0;
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}
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/***********************************************************************
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*
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* OSK_About
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*
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* Initializes the "About" dialog box
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*/
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VOID OSK_About(VOID)
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{
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WCHAR szAuthors[MAX_PATH];
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/* Load the strings into the "About" dialog */
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LoadStringW(Globals.hInstance, IDS_AUTHORS, szAuthors, _countof(szAuthors));
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/* Load the icon */
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/* Finally, execute the "About" dialog by using the Shell routine */
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ShellAboutW(Globals.hMainWnd, Globals.szTitle, szAuthors,
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LoadImageW(Globals.hInstance, MAKEINTRESOURCEW(IDI_OSK), IMAGE_ICON, 0, 0, LR_DEFAULTSIZE | LR_SHARED));
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}
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/***********************************************************************
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*
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* OSK_DestroyKeys
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*
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* Used in layout change or in shutdown
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*/
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VOID OSK_DestroyKeys(VOID)
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{
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int i;
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/* Hide before destroying child controls */
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ShowWindow(Globals.hMainWnd, SW_HIDE);
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for (i = 0; i < Globals.Keyboard->KeyCount; i++)
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{
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DestroyWindow(Globals.hKeys[i]);
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}
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for (i = 0; i < _countof(LedKey); i++)
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{
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DestroyWindow(GetDlgItem(Globals.hMainWnd, LedKey[i].DlgResource));
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}
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HeapFree(GetProcessHeap(), 0, Globals.hKeys);
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Globals.hKeys = NULL;
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Globals.Keyboard = NULL;
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}
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/***********************************************************************
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*
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* OSK_SetKeys
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*
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* Create/Update button controls with the relevant keyboard values
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*/
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LRESULT OSK_SetKeys(int reason)
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{
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WCHAR wKey[2];
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BYTE bKeyStates[256];
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LPCWSTR szKey;
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PKEY Keys;
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UINT uVirtKey;
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POINT LedPos;
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SIZE LedSize;
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int i, yPad;
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/* Get key states before doing anything */
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if (!GetKeyboardState(bKeyStates))
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{
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DPRINT("OSK_SetKeys(): GetKeyboardState() call failed.\n");
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return -1;
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}
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switch (reason)
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{
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case SETKEYS_LANG:
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{
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/* Keyboard language/caps change, just update the button texts */
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Keys = Globals.Keyboard->Keys;
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for (i = 0; i < Globals.Keyboard->KeyCount; i++)
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{
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if (!Keys[i].translate)
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continue;
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uVirtKey = MapVirtualKeyW(Keys[i].scancode & SCANCODE_MASK, MAPVK_VSC_TO_VK);
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if (ToUnicode(uVirtKey, Keys[i].scancode & SCANCODE_MASK, bKeyStates, wKey, _countof(wKey), 0) >= 1)
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{
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szKey = wKey;
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}
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else
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{
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szKey = Keys[i].name;
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}
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/* Only one & the button will try to underline the next character... */
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if (wcsncmp(szKey, L"&", 1) == 0)
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szKey = L"&&";
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SetWindowTextW(Globals.hKeys[i], szKey);
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}
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return 0;
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}
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case SETKEYS_LAYOUT:
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{
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/* Clear up current layout before applying a different one */
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OSK_DestroyKeys();
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}
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/* Fallthrough */
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case SETKEYS_INIT:
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{
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if (Globals.bIsEnhancedKeyboard)
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{
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Globals.Keyboard = &EnhancedKeyboard;
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}
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else
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{
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Globals.Keyboard = &StandardKeyboard;
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}
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Globals.hKeys = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(HWND) * Globals.Keyboard->KeyCount);
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if (!Globals.hKeys)
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{
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DPRINT("OSK_SetKeys(): Failed to allocate memory for button handles.\n");
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return -1;
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}
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Keys = Globals.Keyboard->Keys;
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/* Create key buttons */
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for (i = 0; i < Globals.Keyboard->KeyCount; i++)
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{
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uVirtKey = MapVirtualKeyW(Keys[i].scancode & SCANCODE_MASK, MAPVK_VSC_TO_VK);
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if (Keys[i].translate && ToUnicode(uVirtKey, Keys[i].scancode & SCANCODE_MASK, bKeyStates, wKey, _countof(wKey), 0) >= 1)
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{
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szKey = wKey;
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}
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else
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{
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szKey = Keys[i].name;
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}
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Globals.hKeys[i] = CreateWindowW(WC_BUTTONW,
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szKey,
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WS_VISIBLE | WS_CHILD | BS_PUSHBUTTON | Keys[i].flags,
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Keys[i].x,
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Keys[i].y,
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Keys[i].cx,
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Keys[i].cy,
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Globals.hMainWnd,
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(HMENU)Keys[i].scancode,
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Globals.hInstance,
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NULL);
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if (Globals.hFont)
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SendMessageW(Globals.hKeys[i], WM_SETFONT, (WPARAM)Globals.hFont, 0);
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}
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/* Add additional padding for caption and menu */
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yPad = GetSystemMetrics(SM_CYSIZE) + GetSystemMetrics(SM_CYMENU);
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/* Size window according to layout */
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SetWindowPos(Globals.hMainWnd,
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(Globals.bAlwaysOnTop ? HWND_TOPMOST : HWND_NOTOPMOST),
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0,
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0,
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Globals.Keyboard->Size.cx,
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Globals.Keyboard->Size.cy + yPad,
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SWP_NOMOVE);
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/* Create LEDs */
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LedPos = Globals.Keyboard->LedStart;
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LedSize = Globals.Keyboard->LedSize;
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CreateWindowW(WC_STATICW, L"", WS_VISIBLE | WS_CHILD | SS_CENTER | SS_NOTIFY,
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LedPos.x, LedPos.y, LedSize.cx, LedSize.cy, Globals.hMainWnd,
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(HMENU)IDC_LED_NUM, Globals.hInstance, NULL);
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LedPos.x += Globals.Keyboard->LedGap;
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CreateWindowW(WC_STATICW, L"", WS_VISIBLE | WS_CHILD | SS_CENTER | SS_NOTIFY,
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LedPos.x, LedPos.y, LedSize.cx, LedSize.cy, Globals.hMainWnd,
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(HMENU)IDC_LED_CAPS, Globals.hInstance, NULL);
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LedPos.x += Globals.Keyboard->LedGap;
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CreateWindowW(WC_STATICW, L"", WS_VISIBLE | WS_CHILD | SS_CENTER | SS_NOTIFY,
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LedPos.x, LedPos.y, LedSize.cx, LedSize.cy, Globals.hMainWnd,
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(HMENU)IDC_LED_SCROLL, Globals.hInstance, NULL);
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/* Set system keys text */
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OSK_SetText(SCAN_CODE_110, IDS_ESCAPE);
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OSK_SetText(SCAN_CODE_124, IDS_PRN);
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OSK_SetText(SCAN_CODE_125, IDS_STOP);
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OSK_SetText(SCAN_CODE_126, IDS_ATTN);
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OSK_SetText(SCAN_CODE_90, IDS_NUMLOCKKEY);
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OSK_SetText(SCAN_CODE_75, IDS_INSERT);
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OSK_SetText(SCAN_CODE_76, IDS_DELETE);
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OSK_SetText(SCAN_CODE_81, IDS_END);
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OSK_SetText(SCAN_CODE_58, IDS_CTRL); /* Left ctrl */
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OSK_SetText(SCAN_CODE_64, IDS_CTRL); /* Right ctrl */
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OSK_SetText(SCAN_CODE_60, IDS_LEFTALT);
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OSK_SetText(SCAN_CODE_62, IDS_RIGHTALT);
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/* Set icon on visual buttons */
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OSK_SetImage(SCAN_CODE_15, IDI_BACK);
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OSK_SetImage(SCAN_CODE_16, IDI_TAB);
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OSK_SetImage(SCAN_CODE_30, IDI_CAPS_LOCK);
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OSK_SetImage(SCAN_CODE_43, IDI_RETURN);
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OSK_SetImage(SCAN_CODE_44, IDI_SHIFT);
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OSK_SetImage(SCAN_CODE_57, IDI_SHIFT);
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OSK_SetImage(SCAN_CODE_127, IDI_REACTOS);
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OSK_SetImage(SCAN_CODE_128, IDI_REACTOS);
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OSK_SetImage(SCAN_CODE_129, IDI_MENU);
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OSK_SetImage(SCAN_CODE_80, IDI_HOME);
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OSK_SetImage(SCAN_CODE_85, IDI_PG_UP);
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OSK_SetImage(SCAN_CODE_86, IDI_PG_DOWN);
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OSK_SetImage(SCAN_CODE_79, IDI_LEFT);
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OSK_SetImage(SCAN_CODE_83, IDI_TOP);
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OSK_SetImage(SCAN_CODE_84, IDI_BOTTOM);
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OSK_SetImage(SCAN_CODE_89, IDI_RIGHT);
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}
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}
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if (reason != SETKEYS_INIT)
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{
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ShowWindow(Globals.hMainWnd, SW_SHOW);
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UpdateWindow(Globals.hMainWnd);
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}
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return 0;
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}
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/***********************************************************************
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*
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* OSK_Create
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*
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* Handling of WM_CREATE
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*/
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LRESULT OSK_Create(HWND hwnd)
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{
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HMONITOR monitor;
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MONITORINFO info;
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POINT Pt;
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RECT rcWindow, rcDlgIntersect;
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LOGFONTW lf = {0};
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/* Save handle */
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Globals.hMainWnd = hwnd;
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/* Init Font */
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lf.lfHeight = Globals.FontHeight;
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StringCchCopyW(lf.lfFaceName, _countof(Globals.FontFaceName), Globals.FontFaceName);
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Globals.hFont = CreateFontIndirectW(&lf);
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if (OSK_SetKeys(SETKEYS_INIT) == -1)
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return -1;
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/* Check the checked menu item before displaying the window */
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if (Globals.bIsEnhancedKeyboard)
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{
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/* Enhanced keyboard dialog chosen, set the respective menu item as checked */
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CheckMenuItem(GetMenu(hwnd), IDM_ENHANCED_KB, MF_BYCOMMAND | MF_CHECKED);
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CheckMenuItem(GetMenu(hwnd), IDM_STANDARD_KB, MF_BYCOMMAND | MF_UNCHECKED);
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}
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else
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{
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/* Standard keyboard dialog chosen, set the respective menu item as checked */
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CheckMenuItem(GetMenu(hwnd), IDM_STANDARD_KB, MF_BYCOMMAND | MF_CHECKED);
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CheckMenuItem(GetMenu(hwnd), IDM_ENHANCED_KB, MF_BYCOMMAND | MF_UNCHECKED);
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}
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/* Check if the "Click Sound" option was chosen before (and if so, then tick the menu item) */
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if (Globals.bSoundClick)
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{
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CheckMenuItem(GetMenu(hwnd), IDM_CLICK_SOUND, MF_BYCOMMAND | MF_CHECKED);
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}
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/* Get screen info */
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memset(&Pt, 0, sizeof(Pt));
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monitor = MonitorFromPoint(Pt, MONITOR_DEFAULTTOPRIMARY);
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info.cbSize = sizeof(info);
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GetMonitorInfoW(monitor, &info);
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GetWindowRect(hwnd, &rcWindow);
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/*
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If the coordination values are default then re-initialize using the specific formulas
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to move the dialog at the bottom of the screen.
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*/
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if (Globals.PosX == CW_USEDEFAULT && Globals.PosY == CW_USEDEFAULT)
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{
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Globals.PosX = (info.rcMonitor.left + info.rcMonitor.right - (rcWindow.right - rcWindow.left)) / 2;
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Globals.PosY = info.rcMonitor.bottom - (rcWindow.bottom - rcWindow.top);
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}
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/*
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Calculate the intersection of two rectangle sources (dialog and work desktop area).
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If such sources do not intersect, then the dialog is deemed as "off screen".
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*/
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if (IntersectRect(&rcDlgIntersect, &rcWindow, &info.rcWork) == 0)
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{
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Globals.PosX = (info.rcMonitor.left + info.rcMonitor.right - (rcWindow.right - rcWindow.left)) / 2;
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Globals.PosY = info.rcMonitor.bottom - (rcWindow.bottom - rcWindow.top);
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}
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else
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{
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/*
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There's still some intersection but we're not for sure if it is sufficient (the dialog could also be partially hidden).
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Therefore, check the remaining intersection if it's enough.
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*/
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if (rcWindow.top < info.rcWork.top || rcWindow.left < info.rcWork.left || rcWindow.right > info.rcWork.right || rcWindow.bottom > info.rcWork.bottom)
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{
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Globals.PosX = (info.rcMonitor.left + info.rcMonitor.right - (rcWindow.right - rcWindow.left)) / 2;
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Globals.PosY = info.rcMonitor.bottom - (rcWindow.bottom - rcWindow.top);
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}
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}
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/*
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Place the window (with respective placement coordinates) as topmost, above
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every window which are not on top or are at the bottom of the Z order.
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*/
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if (Globals.bAlwaysOnTop)
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{
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CheckMenuItem(GetMenu(hwnd), IDM_ON_TOP, MF_BYCOMMAND | MF_CHECKED);
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SetWindowPos(hwnd, HWND_TOPMOST, Globals.PosX, Globals.PosY, 0, 0, SWP_NOSIZE);
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}
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else
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{
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CheckMenuItem(GetMenu(hwnd), IDM_ON_TOP, MF_BYCOMMAND | MF_UNCHECKED);
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SetWindowPos(hwnd, HWND_NOTOPMOST, Globals.PosX, Globals.PosY, 0, 0, SWP_NOSIZE);
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}
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/* Create a green brush for leds */
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Globals.hBrushGreenLed = CreateSolidBrush(RGB(0, 255, 0));
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/* Set a timer for periodic tasks */
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Globals.iTimer = SetTimer(hwnd, 0, 100, NULL);
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/* If the member of the struct (bShowWarning) is set then display the dialog box */
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if (Globals.bShowWarning)
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{
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/* If for whatever reason the thread fails to be created then handle the dialog box in main thread... */
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if (CreateThread(NULL, 0, OSK_WarningDlgThread, (PVOID)Globals.hInstance, 0, NULL) == NULL)
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{
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DialogBoxW(Globals.hInstance, MAKEINTRESOURCEW(IDD_WARNINGDIALOG_OSK), Globals.hMainWnd, OSK_WarningProc);
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}
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}
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return 0;
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}
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/***********************************************************************
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*
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* OSK_Close
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*
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* Handling of WM_CLOSE
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*/
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int OSK_Close(void)
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{
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KillTimer(Globals.hMainWnd, Globals.iTimer);
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/* Release Ctrl, Shift, Alt keys */
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OSK_ReleaseKey(SCAN_CODE_44); // Left shift
|
|
OSK_ReleaseKey(SCAN_CODE_57); // Right shift
|
|
OSK_ReleaseKey(SCAN_CODE_58); // Left ctrl
|
|
OSK_ReleaseKey(SCAN_CODE_60); // Left alt
|
|
OSK_ReleaseKey(SCAN_CODE_62); // Right alt
|
|
OSK_ReleaseKey(SCAN_CODE_64); // Right ctrl
|
|
|
|
/* Destroy child controls */
|
|
OSK_DestroyKeys();
|
|
|
|
/* delete GDI objects */
|
|
if (Globals.hBrushGreenLed) DeleteObject(Globals.hBrushGreenLed);
|
|
if (Globals.hFont) DeleteObject(Globals.hFont);
|
|
|
|
/* Save the application's settings on registry */
|
|
SaveSettings();
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
*
|
|
* OSK_RefreshLEDKeys
|
|
*
|
|
* Updates (invalidates) the LED icon resources then the respective
|
|
* keys (Caps Lock, Scroll Lock or Num Lock) are being held down
|
|
*/
|
|
VOID OSK_RefreshLEDKeys(VOID)
|
|
{
|
|
INT i;
|
|
BOOL bKeyIsPressed;
|
|
|
|
for (i = 0; i < _countof(LedKey); i++)
|
|
{
|
|
bKeyIsPressed = (GetAsyncKeyState(LedKey[i].vKey) & 0x8000) != 0;
|
|
if (LedKey[i].bWasKeyPressed != bKeyIsPressed)
|
|
{
|
|
LedKey[i].bWasKeyPressed = bKeyIsPressed;
|
|
InvalidateRect(GetDlgItem(Globals.hMainWnd, LedKey[i].DlgResource), NULL, FALSE);
|
|
}
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
*
|
|
* OSK_Timer
|
|
*
|
|
* Handling of WM_TIMER
|
|
*/
|
|
int OSK_Timer(void)
|
|
{
|
|
HWND hWndActiveWindow;
|
|
DWORD dwThread;
|
|
HKL hKeyboardLayout;
|
|
|
|
hWndActiveWindow = GetForegroundWindow();
|
|
if (hWndActiveWindow != NULL && hWndActiveWindow != Globals.hMainWnd)
|
|
{
|
|
/* Grab the current keyboard layout from the foreground window */
|
|
dwThread = GetWindowThreadProcessId(hWndActiveWindow, NULL);
|
|
hKeyboardLayout = GetKeyboardLayout(dwThread);
|
|
/* Activate the layout */
|
|
ActivateKeyboardLayout(hKeyboardLayout, 0);
|
|
}
|
|
|
|
/*
|
|
Update the LED key indicators accordingly to their state (if one
|
|
of the specific keys is held down).
|
|
*/
|
|
OSK_RefreshLEDKeys();
|
|
/* Update the buttons */
|
|
OSK_SetKeys(SETKEYS_LANG);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
*
|
|
* OSK_ChooseFont
|
|
*
|
|
* Change the font of which the keys are being displayed
|
|
*/
|
|
VOID OSK_ChooseFont(VOID)
|
|
{
|
|
LOGFONTW lf = {0};
|
|
CHOOSEFONTW cf = {0};
|
|
HFONT hFont, hOldFont;
|
|
int i;
|
|
|
|
StringCchCopyW(lf.lfFaceName, _countof(Globals.FontFaceName), Globals.FontFaceName);
|
|
lf.lfHeight = Globals.FontHeight;
|
|
|
|
cf.lStructSize = sizeof(cf);
|
|
cf.hwndOwner = Globals.hMainWnd;
|
|
cf.lpLogFont = &lf;
|
|
cf.Flags = CF_INITTOLOGFONTSTRUCT | CF_NOSTYLESEL;
|
|
|
|
if (!ChooseFontW(&cf))
|
|
return;
|
|
|
|
hFont = CreateFontIndirectW(&lf);
|
|
|
|
if (!hFont)
|
|
return;
|
|
|
|
/* Set font information */
|
|
StringCchCopyW(Globals.FontFaceName, _countof(Globals.FontFaceName), lf.lfFaceName);
|
|
Globals.FontHeight = lf.lfHeight;
|
|
|
|
hOldFont = Globals.hFont;
|
|
Globals.hFont = hFont;
|
|
|
|
for (i = 0; i < Globals.Keyboard->KeyCount; i++)
|
|
SendMessageW(Globals.hKeys[i], WM_SETFONT, (WPARAM)Globals.hFont, TRUE);
|
|
|
|
DeleteObject(hOldFont);
|
|
}
|
|
|
|
/***********************************************************************
|
|
*
|
|
* OSK_Command
|
|
*
|
|
* All handling of commands
|
|
*/
|
|
BOOL OSK_Command(WPARAM wCommand, HWND hWndControl)
|
|
{
|
|
WORD ScanCode;
|
|
INPUT Input;
|
|
BOOL bExtendedKey;
|
|
BOOL bKeyDown;
|
|
BOOL bKeyUp;
|
|
LONG WindowStyle;
|
|
INT i;
|
|
|
|
/* KeyDown and/or KeyUp ? */
|
|
WindowStyle = GetWindowLongW(hWndControl, GWL_STYLE);
|
|
if ((WindowStyle & BS_AUTOCHECKBOX) == BS_AUTOCHECKBOX)
|
|
{
|
|
/* 2-states key like Shift, Alt, Ctrl, ... */
|
|
if (SendMessageW(hWndControl, BM_GETCHECK, 0, 0) == BST_CHECKED)
|
|
{
|
|
bKeyDown = TRUE;
|
|
bKeyUp = FALSE;
|
|
}
|
|
else
|
|
{
|
|
bKeyDown = FALSE;
|
|
bKeyUp = TRUE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Other key */
|
|
bKeyDown = TRUE;
|
|
bKeyUp = TRUE;
|
|
}
|
|
|
|
/* Get the key from dialog control key command */
|
|
ScanCode = wCommand;
|
|
|
|
/*
|
|
The user could've pushed one of the key buttons of the dialog that
|
|
can trigger particular function toggling (Caps Lock, Num Lock or Scroll Lock). Update
|
|
(invalidate) the LED icon resources accordingly.
|
|
*/
|
|
for (i = 0; i < _countof(LedKey); i++)
|
|
{
|
|
if (LedKey[i].wScanCode == ScanCode)
|
|
{
|
|
InvalidateRect(GetDlgItem(Globals.hMainWnd, LedKey[i].DlgResource), NULL, FALSE);
|
|
}
|
|
}
|
|
|
|
/* Extended key ? */
|
|
if (ScanCode & 0x0200)
|
|
bExtendedKey = TRUE;
|
|
else
|
|
bExtendedKey = FALSE;
|
|
ScanCode &= SCANCODE_MASK;
|
|
|
|
/* Press and release the key */
|
|
if (bKeyDown)
|
|
{
|
|
Input.type = INPUT_KEYBOARD;
|
|
Input.ki.wVk = 0;
|
|
Input.ki.wScan = ScanCode;
|
|
Input.ki.time = GetTickCount();
|
|
Input.ki.dwExtraInfo = GetMessageExtraInfo();
|
|
Input.ki.dwFlags = KEYEVENTF_SCANCODE;
|
|
if (bExtendedKey) Input.ki.dwFlags |= KEYEVENTF_EXTENDEDKEY;
|
|
SendInput(1, &Input, sizeof(Input));
|
|
}
|
|
|
|
if (bKeyUp)
|
|
{
|
|
Input.type = INPUT_KEYBOARD;
|
|
Input.ki.wVk = 0;
|
|
Input.ki.wScan = ScanCode;
|
|
Input.ki.time = GetTickCount();
|
|
Input.ki.dwExtraInfo = GetMessageExtraInfo();
|
|
Input.ki.dwFlags = KEYEVENTF_SCANCODE | KEYEVENTF_KEYUP;
|
|
if (bExtendedKey) Input.ki.dwFlags |= KEYEVENTF_EXTENDEDKEY;
|
|
SendInput(1, &Input, sizeof(Input));
|
|
}
|
|
|
|
/* Play the sound during clicking event (only if "Use Click Sound" menu option is ticked) */
|
|
if (Globals.bSoundClick)
|
|
{
|
|
PlaySoundW(MAKEINTRESOURCEW(IDI_SOUNDCLICK), GetModuleHandle(NULL), SND_RESOURCE | SND_ASYNC);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
*
|
|
* OSK_ReleaseKey
|
|
*
|
|
* Release the key of ID wCommand
|
|
*/
|
|
BOOL OSK_ReleaseKey(WORD ScanCode)
|
|
{
|
|
INPUT Input;
|
|
BOOL bExtendedKey;
|
|
LONG WindowStyle;
|
|
HWND hWndControl;
|
|
|
|
/* Is it a 2-states key ? */
|
|
hWndControl = GetDlgItem(Globals.hMainWnd, ScanCode);
|
|
WindowStyle = GetWindowLongW(hWndControl, GWL_STYLE);
|
|
if ((WindowStyle & BS_AUTOCHECKBOX) != BS_AUTOCHECKBOX) return FALSE;
|
|
|
|
/* Is the key down ? */
|
|
if (SendMessageW(hWndControl, BM_GETCHECK, 0, 0) != BST_CHECKED) return TRUE;
|
|
|
|
/* Extended key ? */
|
|
if (ScanCode & 0x0200)
|
|
bExtendedKey = TRUE;
|
|
else
|
|
bExtendedKey = FALSE;
|
|
ScanCode &= SCANCODE_MASK;
|
|
|
|
/* Release the key */
|
|
Input.type = INPUT_KEYBOARD;
|
|
Input.ki.wVk = 0;
|
|
Input.ki.wScan = ScanCode;
|
|
Input.ki.time = GetTickCount();
|
|
Input.ki.dwExtraInfo = GetMessageExtraInfo();
|
|
Input.ki.dwFlags = KEYEVENTF_SCANCODE | KEYEVENTF_KEYUP;
|
|
if (bExtendedKey) Input.ki.dwFlags |= KEYEVENTF_EXTENDEDKEY;
|
|
SendInput(1, &Input, sizeof(Input));
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
*
|
|
* OSK_Paint
|
|
*
|
|
* Handles WM_PAINT messages
|
|
*/
|
|
LRESULT OSK_Paint(HWND hwnd)
|
|
{
|
|
PAINTSTRUCT ps;
|
|
RECT rcText;
|
|
HFONT hOldFont = NULL;
|
|
WCHAR szTemp[MAX_PATH];
|
|
|
|
HDC hdc = BeginPaint(hwnd, &ps);
|
|
|
|
if (Globals.hFont)
|
|
hOldFont = SelectObject(hdc, Globals.hFont);
|
|
|
|
rcText.left = Globals.Keyboard->LedTextStart.x;
|
|
rcText.top = Globals.Keyboard->LedTextStart.y;
|
|
rcText.right = rcText.left + Globals.Keyboard->LedTextSize.cx;
|
|
rcText.bottom = rcText.top + Globals.Keyboard->LedTextSize.cy;
|
|
|
|
LoadStringW(Globals.hInstance, IDS_NUMLOCK, szTemp, _countof(szTemp));
|
|
DrawTextW(hdc, szTemp, -1, &rcText, DT_NOCLIP);
|
|
|
|
OffsetRect(&rcText, Globals.Keyboard->LedTextOffset, 0);
|
|
|
|
LoadStringW(Globals.hInstance, IDS_CAPSLOCK, szTemp, _countof(szTemp));
|
|
DrawTextW(hdc, szTemp, -1, &rcText, DT_NOCLIP);
|
|
|
|
OffsetRect(&rcText, Globals.Keyboard->LedTextOffset, 0);
|
|
|
|
LoadStringW(Globals.hInstance, IDS_SCROLLLOCK, szTemp, _countof(szTemp));
|
|
DrawTextW(hdc, szTemp, -1, &rcText, DT_NOCLIP);
|
|
|
|
if (hOldFont)
|
|
SelectObject(hdc, hOldFont);
|
|
|
|
EndPaint(hwnd, &ps);
|
|
|
|
return 0;
|
|
}
|
|
/***********************************************************************
|
|
*
|
|
* OSK_WndProc
|
|
*/
|
|
LRESULT APIENTRY OSK_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
switch (msg)
|
|
{
|
|
case WM_CREATE:
|
|
return OSK_Create(hwnd);
|
|
|
|
case WM_PAINT:
|
|
return OSK_Paint(hwnd);
|
|
|
|
case WM_TIMER:
|
|
return OSK_Timer();
|
|
|
|
case WM_CTLCOLORSTATIC:
|
|
if ((HWND)lParam == GetDlgItem(hwnd, IDC_LED_NUM))
|
|
{
|
|
if (GetKeyState(VK_NUMLOCK) & 0x0001)
|
|
return (LRESULT)Globals.hBrushGreenLed;
|
|
else
|
|
return (LRESULT)GetStockObject(BLACK_BRUSH);
|
|
}
|
|
if ((HWND)lParam == GetDlgItem(hwnd, IDC_LED_CAPS))
|
|
{
|
|
if (GetKeyState(VK_CAPITAL) & 0x0001)
|
|
return (LRESULT)Globals.hBrushGreenLed;
|
|
else
|
|
return (LRESULT)GetStockObject(BLACK_BRUSH);
|
|
}
|
|
if ((HWND)lParam == GetDlgItem(hwnd, IDC_LED_SCROLL))
|
|
{
|
|
if (GetKeyState(VK_SCROLL) & 0x0001)
|
|
return (LRESULT)Globals.hBrushGreenLed;
|
|
else
|
|
return (LRESULT)GetStockObject(BLACK_BRUSH);
|
|
}
|
|
break;
|
|
|
|
case WM_COMMAND:
|
|
switch (LOWORD(wParam))
|
|
{
|
|
case IDM_EXIT:
|
|
{
|
|
PostMessageW(hwnd, WM_CLOSE, 0, 0);
|
|
break;
|
|
}
|
|
|
|
case IDM_ENHANCED_KB:
|
|
{
|
|
if (!Globals.bIsEnhancedKeyboard)
|
|
{
|
|
/*
|
|
The user attempted to switch to enhanced keyboard dialog type.
|
|
Set the member value as TRUE, destroy the dialog and save the data configuration into the registry.
|
|
*/
|
|
Globals.bIsEnhancedKeyboard = TRUE;
|
|
SaveSettings();
|
|
|
|
/* Change the condition of enhanced keyboard item menu to checked */
|
|
CheckMenuItem(GetMenu(hwnd), IDM_ENHANCED_KB, MF_BYCOMMAND | MF_CHECKED);
|
|
CheckMenuItem(GetMenu(hwnd), IDM_STANDARD_KB, MF_BYCOMMAND | MF_UNCHECKED);
|
|
|
|
/* Finally, update the key layout */
|
|
LoadSettings();
|
|
OSK_SetKeys(SETKEYS_LAYOUT);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case IDM_STANDARD_KB:
|
|
{
|
|
if (Globals.bIsEnhancedKeyboard)
|
|
{
|
|
/*
|
|
The user attempted to switch to standard keyboard dialog type.
|
|
Set the member value as FALSE, destroy the dialog and save the data configuration into the registry.
|
|
*/
|
|
Globals.bIsEnhancedKeyboard = FALSE;
|
|
SaveSettings();
|
|
|
|
/* Change the condition of standard keyboard item menu to checked */
|
|
CheckMenuItem(GetMenu(hwnd), IDM_ENHANCED_KB, MF_BYCOMMAND | MF_UNCHECKED);
|
|
CheckMenuItem(GetMenu(hwnd), IDM_STANDARD_KB, MF_BYCOMMAND | MF_CHECKED);
|
|
|
|
/* Finally, update the key layout */
|
|
LoadSettings();
|
|
OSK_SetKeys(SETKEYS_LAYOUT);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case IDM_CLICK_SOUND:
|
|
{
|
|
/*
|
|
This case is triggered when the user attempts to click on the menu item. Before doing anything,
|
|
we must check the condition state of such menu item so that we can tick/untick the menu item accordingly.
|
|
*/
|
|
if (!Globals.bSoundClick)
|
|
{
|
|
Globals.bSoundClick = TRUE;
|
|
CheckMenuItem(GetMenu(hwnd), IDM_CLICK_SOUND, MF_BYCOMMAND | MF_CHECKED);
|
|
}
|
|
else
|
|
{
|
|
Globals.bSoundClick = FALSE;
|
|
CheckMenuItem(GetMenu(hwnd), IDM_CLICK_SOUND, MF_BYCOMMAND | MF_UNCHECKED);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case IDM_ON_TOP:
|
|
{
|
|
/*
|
|
Check the condition state before disabling/enabling the menu
|
|
item and change the topmost order.
|
|
*/
|
|
if (!Globals.bAlwaysOnTop)
|
|
{
|
|
Globals.bAlwaysOnTop = TRUE;
|
|
CheckMenuItem(GetMenu(hwnd), IDM_ON_TOP, MF_BYCOMMAND | MF_CHECKED);
|
|
SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE);
|
|
}
|
|
else
|
|
{
|
|
Globals.bAlwaysOnTop = FALSE;
|
|
CheckMenuItem(GetMenu(hwnd), IDM_ON_TOP, MF_BYCOMMAND | MF_UNCHECKED);
|
|
SetWindowPos(hwnd, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case IDM_FONT:
|
|
{
|
|
OSK_ChooseFont();
|
|
break;
|
|
}
|
|
|
|
case IDM_ABOUT:
|
|
{
|
|
OSK_About();
|
|
break;
|
|
}
|
|
|
|
default:
|
|
OSK_Command(wParam, (HWND)lParam);
|
|
break;
|
|
}
|
|
return 0;
|
|
|
|
case WM_THEMECHANGED:
|
|
/* Redraw the dialog (and its control buttons) using the new theme */
|
|
InvalidateRect(hwnd, NULL, FALSE);
|
|
return 0;
|
|
|
|
case WM_CLOSE:
|
|
OSK_Close();
|
|
PostQuitMessage(0);
|
|
return 0;
|
|
}
|
|
return DefWindowProcW(hwnd, msg, wParam, lParam);
|
|
}
|
|
|
|
/***********************************************************************
|
|
*
|
|
* WinMain
|
|
*/
|
|
int WINAPI wWinMain(HINSTANCE hInstance,
|
|
HINSTANCE prev,
|
|
LPWSTR cmdline,
|
|
int show)
|
|
{
|
|
DWORD dwError;
|
|
HANDLE hMutex;
|
|
INITCOMMONCONTROLSEX iccex;
|
|
WNDCLASSEXW wc = {0};
|
|
MSG msg;
|
|
HWND hwnd;
|
|
|
|
UNREFERENCED_PARAMETER(prev);
|
|
UNREFERENCED_PARAMETER(cmdline);
|
|
UNREFERENCED_PARAMETER(show);
|
|
|
|
/*
|
|
Obtain a mutex for the program. This will ensure that
|
|
the program is launched only once.
|
|
*/
|
|
hMutex = CreateMutexW(NULL, FALSE, L"OSKRunning");
|
|
|
|
if (hMutex)
|
|
{
|
|
/* Check if there's already a mutex for the program */
|
|
dwError = GetLastError();
|
|
|
|
if (dwError == ERROR_ALREADY_EXISTS)
|
|
{
|
|
/*
|
|
A mutex with the object name has been created previously.
|
|
Therefore, another instance is already running.
|
|
*/
|
|
DPRINT("wWinMain(): Failed to create a mutex! The program instance is already running.\n");
|
|
CloseHandle(hMutex);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* Load the common controls */
|
|
iccex.dwSize = sizeof(INITCOMMONCONTROLSEX);
|
|
iccex.dwICC = ICC_STANDARD_CLASSES | ICC_WIN95_CLASSES;
|
|
InitCommonControlsEx(&iccex);
|
|
|
|
ZeroMemory(&Globals, sizeof(Globals));
|
|
Globals.hInstance = hInstance;
|
|
|
|
/* Load the application's settings from the registry */
|
|
LoadSettings();
|
|
|
|
/* Define the window class */
|
|
wc.cbSize = sizeof(wc);
|
|
wc.hInstance = Globals.hInstance;
|
|
wc.lpfnWndProc = OSK_WndProc;
|
|
wc.lpszMenuName = MAKEINTRESOURCEW(IDR_OSK_MENU);
|
|
wc.lpszClassName = OSK_CLASS;
|
|
wc.style = CS_HREDRAW | CS_VREDRAW;
|
|
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
|
|
/* Set the application's icon */
|
|
wc.hIcon = LoadImageW(Globals.hInstance, MAKEINTRESOURCEW(IDI_OSK), IMAGE_ICON, 0, 0, LR_SHARED | LR_DEFAULTSIZE);
|
|
wc.hIconSm = CopyImage(wc.hIcon, IMAGE_ICON, GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_COPYFROMRESOURCE);
|
|
|
|
if (!RegisterClassExW(&wc))
|
|
goto quit;
|
|
|
|
/* Load window title */
|
|
LoadStringW(Globals.hInstance, IDS_OSK, Globals.szTitle, _countof(Globals.szTitle));
|
|
|
|
hwnd = CreateWindowExW(WS_EX_TOPMOST | WS_EX_APPWINDOW | WS_EX_NOACTIVATE,
|
|
OSK_CLASS,
|
|
Globals.szTitle,
|
|
WS_SYSMENU | WS_MINIMIZEBOX,
|
|
CW_USEDEFAULT,
|
|
CW_USEDEFAULT,
|
|
CW_USEDEFAULT,
|
|
CW_USEDEFAULT,
|
|
NULL,
|
|
NULL,
|
|
Globals.hInstance,
|
|
NULL);
|
|
|
|
if (!hwnd)
|
|
goto quit;
|
|
|
|
ShowWindow(hwnd, SW_SHOW);
|
|
UpdateWindow(hwnd);
|
|
|
|
while (GetMessageW(&msg, NULL, 0, 0))
|
|
{
|
|
TranslateMessage(&msg);
|
|
DispatchMessageW(&msg);
|
|
}
|
|
|
|
quit:
|
|
/* Delete the mutex */
|
|
if (hMutex)
|
|
{
|
|
CloseHandle(hMutex);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* EOF */
|