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509 lines
13 KiB
C
509 lines
13 KiB
C
/*
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* Hotkey control
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*
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* Copyright 1998, 1999 Eric Kohl
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* Copyright 2002 Gyorgy 'Nog' Jeney
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* TODO:
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* - What are we meant to do with the WM_CHAR message?
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*/
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#include <stdarg.h>
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#include <string.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "winnls.h"
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#include "commctrl.h"
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#include "comctl32.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(hotkey);
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typedef struct tagHOTKEY_INFO
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{
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HWND hwndSelf;
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HWND hwndNotify;
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HFONT hFont;
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BOOL bFocus;
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INT nHeight;
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WORD HotKey;
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WORD InvComb;
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WORD InvMod;
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BYTE CurrMod;
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INT CaretPos;
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DWORD ScanCode;
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WCHAR strNone[15]; /* hope its long enough ... */
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} HOTKEY_INFO;
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#define HOTKEY_GetInfoPtr(hwnd) ((HOTKEY_INFO *)GetWindowLongA (hwnd, 0))
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static const WCHAR HOTKEY_plussep[] = { ' ', '+', ' ' };
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#define IsOnlySet(flags) (infoPtr->CurrMod == (flags))
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static BOOL
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HOTKEY_IsCombInv(HOTKEY_INFO *infoPtr)
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{
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TRACE("(infoPtr=%p)\n", infoPtr);
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if((infoPtr->InvComb & HKCOMB_NONE) && !infoPtr->CurrMod)
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return TRUE;
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if((infoPtr->InvComb & HKCOMB_S) && IsOnlySet(HOTKEYF_SHIFT))
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return TRUE;
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if((infoPtr->InvComb & HKCOMB_C) && IsOnlySet(HOTKEYF_CONTROL))
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return TRUE;
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if((infoPtr->InvComb & HKCOMB_A) && IsOnlySet(HOTKEYF_ALT))
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return TRUE;
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if((infoPtr->InvComb & HKCOMB_SC) &&
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IsOnlySet(HOTKEYF_SHIFT | HOTKEYF_CONTROL))
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return TRUE;
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if((infoPtr->InvComb & HKCOMB_SA) && IsOnlySet(HOTKEYF_SHIFT | HOTKEYF_ALT))
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return TRUE;
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if((infoPtr->InvComb & HKCOMB_CA) &&
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IsOnlySet(HOTKEYF_CONTROL | HOTKEYF_ALT))
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return TRUE;
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if((infoPtr->InvComb & HKCOMB_SCA) &&
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IsOnlySet(HOTKEYF_SHIFT | HOTKEYF_CONTROL | HOTKEYF_ALT))
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return TRUE;
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TRACE("() Modifiers are valid\n");
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return FALSE;
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}
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#undef IsOnlySet
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static void
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HOTKEY_DrawHotKey(HOTKEY_INFO *infoPtr, LPCWSTR KeyName, WORD NameLen,
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LPRECT rc, HDC hdc)
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{
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SIZE TextSize;
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DWORD dwExStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_EXSTYLE);
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/* We have to allow some space for the frame to be drawn */
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rc->left += 2;
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rc->top++;
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DrawTextW(hdc, KeyName, NameLen, rc, DT_LEFT | DT_VCENTER);
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rc->left -= 2;
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rc->top--;
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if(dwExStyle & WS_EX_CLIENTEDGE)
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DrawEdge(hdc, rc, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
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/* Get the text size and position the caret accordingly */
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GetTextExtentPoint32W (hdc, KeyName, NameLen, &TextSize);
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infoPtr->CaretPos = TextSize.cx + 2;
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SetCaretPos(infoPtr->CaretPos, 3);
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}
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/* Draw the names of the keys in the control */
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static void
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HOTKEY_Refresh(HOTKEY_INFO *infoPtr, HDC hdc)
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{
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WCHAR KeyName[sizeof(WCHAR) * 64];
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WORD NameLen = 0;
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BYTE Modifier;
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RECT rc;
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GetClientRect(infoPtr->hwndSelf, &rc);
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TRACE("(infoPtr=%p hdc=%p)\n", infoPtr, hdc);
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if(!infoPtr->CurrMod && !infoPtr->HotKey) {
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HOTKEY_DrawHotKey (infoPtr, infoPtr->strNone, 4, &rc, hdc);
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return;
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}
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if(infoPtr->HotKey)
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Modifier = HIBYTE(infoPtr->HotKey);
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else if(HOTKEY_IsCombInv(infoPtr))
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Modifier = infoPtr->InvMod;
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else
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Modifier = infoPtr->CurrMod;
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if(Modifier & HOTKEYF_CONTROL) {
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GetKeyNameTextW(MAKELPARAM(0, MapVirtualKeyW(VK_CONTROL, 0)),
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KeyName, 64);
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NameLen = lstrlenW(KeyName);
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memcpy(&KeyName[NameLen], HOTKEY_plussep, sizeof(HOTKEY_plussep));
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NameLen += 3;
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}
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if(Modifier & HOTKEYF_SHIFT) {
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GetKeyNameTextW(MAKELPARAM(0, MapVirtualKeyW(VK_SHIFT, 0)),
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&KeyName[NameLen], 64 - NameLen);
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NameLen = lstrlenW(KeyName);
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memcpy(&KeyName[NameLen], HOTKEY_plussep, sizeof(HOTKEY_plussep));
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NameLen += 3;
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}
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if(Modifier & HOTKEYF_ALT) {
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GetKeyNameTextW(MAKELPARAM(0, MapVirtualKeyW(VK_MENU, 0)),
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&KeyName[NameLen], 64 - NameLen);
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NameLen = lstrlenW(KeyName);
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memcpy(&KeyName[NameLen], HOTKEY_plussep, sizeof(HOTKEY_plussep));
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NameLen += 3;
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}
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if(infoPtr->HotKey) {
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GetKeyNameTextW(infoPtr->ScanCode, &KeyName[NameLen], 64 - NameLen);
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NameLen = lstrlenW(KeyName);
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}
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else
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KeyName[NameLen] = 0;
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HOTKEY_DrawHotKey (infoPtr, KeyName, NameLen, &rc, hdc);
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}
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static void
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HOTKEY_Paint(HOTKEY_INFO *infoPtr, HDC hdc)
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{
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if (hdc)
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HOTKEY_Refresh(infoPtr, hdc);
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else {
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PAINTSTRUCT ps;
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hdc = BeginPaint (infoPtr->hwndSelf, &ps);
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HOTKEY_Refresh (infoPtr, hdc);
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EndPaint (infoPtr->hwndSelf, &ps);
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}
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}
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static LRESULT
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HOTKEY_GetHotKey(HOTKEY_INFO *infoPtr)
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{
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TRACE("(infoPtr=%p) Modifiers: 0x%x, Virtual Key: %d\n", infoPtr,
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HIBYTE(infoPtr->HotKey), LOBYTE(infoPtr->HotKey));
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return (LRESULT)infoPtr->HotKey;
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}
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static void
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HOTKEY_SetHotKey(HOTKEY_INFO *infoPtr, WPARAM wParam)
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{
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infoPtr->HotKey = (WORD)wParam;
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infoPtr->ScanCode =
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MAKELPARAM(0, MapVirtualKeyW(LOBYTE(infoPtr->HotKey), 0));
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TRACE("(infoPtr=%p wParam=%x) Modifiers: 0x%x, Virtual Key: %d\n", infoPtr,
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wParam, HIBYTE(infoPtr->HotKey), LOBYTE(infoPtr->HotKey));
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InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
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}
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static void
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HOTKEY_SetRules(HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
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{
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infoPtr->InvComb = (WORD)wParam;
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infoPtr->InvMod = (WORD)lParam;
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TRACE("(infoPtr=%p) Invalid Modifers: 0x%x, If Invalid: 0x%x\n", infoPtr,
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infoPtr->InvComb, infoPtr->InvMod);
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}
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/* << HOTKEY_Char >> */
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static LRESULT
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HOTKEY_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
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{
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HOTKEY_INFO *infoPtr;
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TEXTMETRICW tm;
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HDC hdc;
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/* allocate memory for info structure */
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infoPtr = (HOTKEY_INFO *)Alloc (sizeof(HOTKEY_INFO));
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SetWindowLongW (hwnd, 0, (DWORD)infoPtr);
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/* initialize info structure */
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infoPtr->HotKey = infoPtr->InvComb = infoPtr->InvMod = infoPtr->CurrMod = 0;
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infoPtr->CaretPos = 2;
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infoPtr->hwndSelf = hwnd;
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infoPtr->hwndNotify = ((LPCREATESTRUCTA)lParam)->hwndParent;
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LoadStringW(COMCTL32_hModule, HKY_NONE, infoPtr->strNone, 15);
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/* get default font height */
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hdc = GetDC (hwnd);
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GetTextMetricsW (hdc, &tm);
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infoPtr->nHeight = tm.tmHeight;
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ReleaseDC (hwnd, hdc);
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return 0;
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}
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static LRESULT
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HOTKEY_Destroy (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
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{
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HWND hwnd = infoPtr->hwndSelf;
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/* free hotkey info data */
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Free (infoPtr);
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SetWindowLongW (hwnd, 0, 0);
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return 0;
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}
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static LRESULT
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HOTKEY_EraseBackground (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
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{
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HBRUSH hBrush;
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RECT rc;
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hBrush =
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(HBRUSH)SendMessageW (infoPtr->hwndNotify, WM_CTLCOLOREDIT,
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wParam, (LPARAM)infoPtr->hwndSelf);
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if (hBrush)
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hBrush = (HBRUSH)GetStockObject (WHITE_BRUSH);
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GetClientRect (infoPtr->hwndSelf, &rc);
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FillRect ((HDC)wParam, &rc, hBrush);
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return -1;
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}
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inline static LRESULT
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HOTKEY_GetFont (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
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{
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return (LRESULT)infoPtr->hFont;
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}
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static LRESULT
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HOTKEY_KeyDown (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
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{
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TRACE("() Key: %d\n", wParam);
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/* If any key is Pressed, we have to reset the hotkey in the control */
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infoPtr->HotKey = 0;
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switch (wParam) {
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case VK_RETURN:
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case VK_TAB:
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case VK_SPACE:
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case VK_DELETE:
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case VK_ESCAPE:
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case VK_BACK:
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InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
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return DefWindowProcW (infoPtr->hwndSelf, WM_KEYDOWN, wParam,
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lParam);
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case VK_SHIFT:
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infoPtr->CurrMod |= HOTKEYF_SHIFT;
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break;
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case VK_CONTROL:
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infoPtr->CurrMod |= HOTKEYF_CONTROL;
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break;
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case VK_MENU:
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infoPtr->CurrMod |= HOTKEYF_ALT;
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break;
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default:
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if(HOTKEY_IsCombInv(infoPtr))
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infoPtr->HotKey = MAKEWORD(wParam, infoPtr->InvMod);
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else
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infoPtr->HotKey = MAKEWORD(wParam, infoPtr->CurrMod);
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infoPtr->ScanCode = lParam;
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break;
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}
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InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
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return 0;
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}
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static LRESULT
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HOTKEY_KeyUp (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
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{
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TRACE("() Key: %d\n", wParam);
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switch (wParam) {
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case VK_SHIFT:
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infoPtr->CurrMod &= ~HOTKEYF_SHIFT;
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break;
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case VK_CONTROL:
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infoPtr->CurrMod &= ~HOTKEYF_CONTROL;
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break;
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case VK_MENU:
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infoPtr->CurrMod &= ~HOTKEYF_ALT;
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break;
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default:
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return 1;
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}
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InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
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return 0;
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}
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static LRESULT
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HOTKEY_KillFocus (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
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{
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infoPtr->bFocus = FALSE;
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DestroyCaret ();
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return 0;
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}
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static LRESULT
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HOTKEY_LButtonDown (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
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{
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SetFocus (infoPtr->hwndSelf);
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return 0;
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}
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inline static LRESULT
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HOTKEY_NCCreate (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
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{
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DWORD dwExStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_EXSTYLE);
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SetWindowLongW (infoPtr->hwndSelf, GWL_EXSTYLE,
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dwExStyle | WS_EX_CLIENTEDGE);
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return DefWindowProcW (infoPtr->hwndSelf, WM_NCCREATE, wParam, lParam);
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}
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static LRESULT
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HOTKEY_SetFocus (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
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{
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infoPtr->bFocus = TRUE;
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CreateCaret (infoPtr->hwndSelf, NULL, 1, infoPtr->nHeight - 2);
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SetCaretPos (infoPtr->CaretPos, 3);
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ShowCaret (infoPtr->hwndSelf);
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return 0;
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}
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inline static LRESULT
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HOTKEY_SetFont (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
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{
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TEXTMETRICW tm;
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HDC hdc;
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HFONT hOldFont = 0;
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infoPtr->hFont = (HFONT)wParam;
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hdc = GetDC (infoPtr->hwndSelf);
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if (infoPtr->hFont)
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hOldFont = SelectObject (hdc, infoPtr->hFont);
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GetTextMetricsW (hdc, &tm);
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infoPtr->nHeight = tm.tmHeight;
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if (infoPtr->hFont)
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SelectObject (hdc, hOldFont);
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ReleaseDC (infoPtr->hwndSelf, hdc);
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if (LOWORD(lParam))
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InvalidateRect (infoPtr->hwndSelf, NULL, TRUE);
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return 0;
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}
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static LRESULT WINAPI
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HOTKEY_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr (hwnd);
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TRACE("hwnd=%p msg=%x wparam=%x lparam=%lx\n", hwnd, uMsg, wParam, lParam);
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if (!infoPtr && (uMsg != WM_CREATE))
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return DefWindowProcW (hwnd, uMsg, wParam, lParam);
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switch (uMsg)
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{
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case HKM_GETHOTKEY:
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return HOTKEY_GetHotKey (infoPtr);
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case HKM_SETHOTKEY:
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HOTKEY_SetHotKey (infoPtr, wParam);
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break;
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case HKM_SETRULES:
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HOTKEY_SetRules (infoPtr, wParam, lParam);
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break;
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/* case WM_CHAR: */
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case WM_CREATE:
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return HOTKEY_Create (hwnd, wParam, lParam);
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case WM_DESTROY:
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return HOTKEY_Destroy (infoPtr, wParam, lParam);
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case WM_ERASEBKGND:
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return HOTKEY_EraseBackground (infoPtr, wParam, lParam);
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case WM_GETDLGCODE:
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return DLGC_WANTCHARS | DLGC_WANTARROWS;
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case WM_GETFONT:
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return HOTKEY_GetFont (infoPtr, wParam, lParam);
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case WM_KEYDOWN:
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case WM_SYSKEYDOWN:
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return HOTKEY_KeyDown (infoPtr, wParam, lParam);
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case WM_KEYUP:
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case WM_SYSKEYUP:
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return HOTKEY_KeyUp (infoPtr, wParam, lParam);
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case WM_KILLFOCUS:
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return HOTKEY_KillFocus (infoPtr, wParam, lParam);
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case WM_LBUTTONDOWN:
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return HOTKEY_LButtonDown (infoPtr, wParam, lParam);
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case WM_NCCREATE:
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return HOTKEY_NCCreate (infoPtr, wParam, lParam);
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case WM_PAINT:
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HOTKEY_Paint(infoPtr, (HDC)wParam);
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return 0;
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case WM_SETFOCUS:
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return HOTKEY_SetFocus (infoPtr, wParam, lParam);
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case WM_SETFONT:
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return HOTKEY_SetFont (infoPtr, wParam, lParam);
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/* case WM_SYSCHAR: */
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default:
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if ((uMsg >= WM_USER) && (uMsg < WM_APP))
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ERR("unknown msg %04x wp=%08x lp=%08lx\n",
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uMsg, wParam, lParam);
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return DefWindowProcW (hwnd, uMsg, wParam, lParam);
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}
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return 0;
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}
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void
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HOTKEY_Register (void)
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{
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WNDCLASSW wndClass;
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ZeroMemory (&wndClass, sizeof(WNDCLASSW));
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wndClass.style = CS_GLOBALCLASS;
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wndClass.lpfnWndProc = (WNDPROC)HOTKEY_WindowProc;
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wndClass.cbClsExtra = 0;
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wndClass.cbWndExtra = sizeof(HOTKEY_INFO *);
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wndClass.hCursor = 0;
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wndClass.hbrBackground = 0;
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wndClass.lpszClassName = HOTKEY_CLASSW;
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RegisterClassW (&wndClass);
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}
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void
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HOTKEY_Unregister (void)
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{
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UnregisterClassW (HOTKEY_CLASSW, NULL);
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}
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