| 1 | /* $Id: hotkey.c,v 1.4 1999-08-14 16:13:10 cbratschi Exp $ */ | 
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| 2 | /* | 
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| 3 | * Hotkey control | 
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| 4 | * | 
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| 5 | * Copyright 1998, 1999 Eric Kohl | 
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| 6 | * Copyright 1999 Achim Hasenmueller | 
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| 7 | * | 
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| 8 | * NOTES | 
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| 9 | *   Development in progress. An author is needed! Any volunteers? | 
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| 10 | *   I will only improve this control once in a while. | 
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| 11 | *     Eric <ekohl@abo.rhein-zeitung.de> | 
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| 12 | * | 
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| 13 | * TODO: | 
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| 14 | *   - Some messages. | 
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| 15 | *   - Display code. | 
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| 16 | */ | 
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| 17 |  | 
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| 18 | #include "winbase.h" | 
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| 19 | #include "commctrl.h" | 
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| 20 | #include "hotkey.h" | 
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| 21 |  | 
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| 22 |  | 
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| 23 | #define HOTKEY_GetInfoPtr(hwnd) ((HOTKEY_INFO *)GetWindowLongA (hwnd, 0)) | 
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| 24 |  | 
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| 25 |  | 
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| 26 | /* << HOTHEY_GetHotKey >> */ | 
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| 27 | /* << HOTHEY_SetHotKey >> */ | 
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| 28 | /* << HOTHEY_SetRules >> */ | 
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| 29 |  | 
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| 30 |  | 
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| 31 |  | 
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| 32 | /* << HOTKEY_Char >> */ | 
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| 33 |  | 
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| 34 |  | 
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| 35 | static LRESULT | 
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| 36 | HOTKEY_Create (HWND hwnd, WPARAM wParam, LPARAM lParam) | 
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| 37 | { | 
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| 38 | HOTKEY_INFO *infoPtr; | 
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| 39 | TEXTMETRICA tm; | 
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| 40 | HDC hdc; | 
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| 41 |  | 
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| 42 | /* allocate memory for info structure */ | 
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| 43 | infoPtr = (HOTKEY_INFO *)COMCTL32_Alloc (sizeof(HOTKEY_INFO)); | 
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| 44 | SetWindowLongA (hwnd, 0, (DWORD)infoPtr); | 
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| 45 |  | 
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| 46 | /* initialize info structure */ | 
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| 47 |  | 
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| 48 |  | 
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| 49 | /* get default font height */ | 
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| 50 | hdc = GetDC (hwnd); | 
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| 51 | GetTextMetricsA (hdc, &tm); | 
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| 52 | infoPtr->nHeight = tm.tmHeight; | 
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| 53 | ReleaseDC (hwnd, hdc); | 
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| 54 |  | 
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| 55 | return 0; | 
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| 56 | } | 
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| 57 |  | 
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| 58 |  | 
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| 59 | static LRESULT | 
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| 60 | HOTKEY_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam) | 
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| 61 | { | 
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| 62 | HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr (hwnd); | 
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| 63 |  | 
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| 64 |  | 
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| 65 |  | 
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| 66 | /* free hotkey info data */ | 
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| 67 | COMCTL32_Free (infoPtr); | 
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| 68 |  | 
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| 69 | return 0; | 
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| 70 | } | 
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| 71 |  | 
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| 72 |  | 
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| 73 | static LRESULT | 
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| 74 | HOTKEY_EraseBackground (HWND hwnd, WPARAM wParam, LPARAM lParam) | 
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| 75 | { | 
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| 76 | /* HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr (hwnd); */ | 
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| 77 | HBRUSH hBrush; | 
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| 78 | RECT   rc; | 
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| 79 |  | 
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| 80 | hBrush = | 
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| 81 | (HBRUSH)SendMessageA (GetParent (hwnd), WM_CTLCOLOREDIT, | 
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| 82 | wParam, (LPARAM)hwnd); | 
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| 83 | if (hBrush) | 
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| 84 | hBrush = (HBRUSH)GetStockObject (WHITE_BRUSH); | 
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| 85 | GetClientRect (hwnd, &rc); | 
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| 86 |  | 
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| 87 | FillRect ((HDC)wParam, &rc, hBrush); | 
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| 88 |  | 
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| 89 | return -1; | 
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| 90 | } | 
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| 91 |  | 
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| 92 |  | 
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| 93 | static LRESULT | 
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| 94 | HOTKEY_GetFont (HWND hwnd, WPARAM wParam, LPARAM lParam) | 
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| 95 | { | 
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| 96 | HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr (hwnd); | 
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| 97 |  | 
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| 98 | return infoPtr->hFont; | 
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| 99 | } | 
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| 100 |  | 
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| 101 |  | 
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| 102 | static LRESULT | 
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| 103 | HOTKEY_KeyDown (HWND hwnd, WPARAM wParam, LPARAM lParam) | 
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| 104 | { | 
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| 105 | /* HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr (hwnd); */ | 
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| 106 |  | 
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| 107 | switch (wParam) { | 
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| 108 | case VK_RETURN: | 
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| 109 | case VK_TAB: | 
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| 110 | case VK_SPACE: | 
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| 111 | case VK_DELETE: | 
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| 112 | case VK_ESCAPE: | 
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| 113 | case VK_BACK: | 
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| 114 | return DefWindowProcA (hwnd, WM_KEYDOWN, wParam, lParam); | 
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| 115 |  | 
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| 116 | case VK_SHIFT: | 
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| 117 | case VK_CONTROL: | 
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| 118 | case VK_MENU: | 
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| 119 | //          FIXME (hotkey, "modifier key pressed!\n"); | 
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| 120 | break; | 
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| 121 |  | 
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| 122 | default: | 
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| 123 | //          FIXME (hotkey, " %d\n", wParam); | 
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| 124 | break; | 
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| 125 | } | 
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| 126 |  | 
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| 127 | return TRUE; | 
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| 128 | } | 
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| 129 |  | 
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| 130 |  | 
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| 131 | static LRESULT | 
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| 132 | HOTKEY_KeyUp (HWND hwnd, WPARAM wParam, LPARAM lParam) | 
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| 133 | { | 
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| 134 | /* HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr (hwnd); */ | 
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| 135 |  | 
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| 136 | //    FIXME (hotkey, " %d\n", wParam); | 
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| 137 |  | 
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| 138 | return 0; | 
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| 139 | } | 
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| 140 |  | 
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| 141 |  | 
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| 142 | static LRESULT | 
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| 143 | HOTKEY_KillFocus (HWND hwnd, WPARAM wParam, LPARAM lParam) | 
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| 144 | { | 
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| 145 | HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr (hwnd); | 
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| 146 |  | 
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| 147 | infoPtr->bFocus = FALSE; | 
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| 148 | DestroyCaret (); | 
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| 149 |  | 
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| 150 | return 0; | 
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| 151 | } | 
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| 152 |  | 
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| 153 |  | 
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| 154 | static LRESULT | 
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| 155 | HOTKEY_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam) | 
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| 156 | { | 
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| 157 | /*    HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr (hwnd); */ | 
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| 158 |  | 
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| 159 | SetFocus (hwnd); | 
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| 160 |  | 
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| 161 | return 0; | 
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| 162 | } | 
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| 163 |  | 
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| 164 |  | 
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| 165 | static LRESULT | 
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| 166 | HOTKEY_NCCreate (HWND hwnd, WPARAM wParam, LPARAM lParam) | 
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| 167 | { | 
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| 168 | DWORD dwExStyle = GetWindowLongA (hwnd, GWL_EXSTYLE); | 
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| 169 | SetWindowLongA (hwnd, GWL_EXSTYLE, dwExStyle | WS_EX_CLIENTEDGE); | 
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| 170 | return DefWindowProcA (hwnd, WM_NCCREATE, wParam, lParam); | 
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| 171 | } | 
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| 172 |  | 
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| 173 |  | 
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| 174 |  | 
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| 175 |  | 
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| 176 |  | 
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| 177 | static LRESULT | 
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| 178 | HOTKEY_SetFocus (HWND hwnd, WPARAM wParam, LPARAM lParam) | 
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| 179 | { | 
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| 180 | HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr (hwnd); | 
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| 181 |  | 
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| 182 | infoPtr->bFocus = TRUE; | 
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| 183 |  | 
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| 184 |  | 
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| 185 | CreateCaret (hwnd, (HBITMAP)0, 1, infoPtr->nHeight); | 
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| 186 |  | 
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| 187 | SetCaretPos (1, 1); | 
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| 188 |  | 
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| 189 | ShowCaret (hwnd); | 
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| 190 |  | 
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| 191 |  | 
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| 192 | return 0; | 
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| 193 | } | 
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| 194 |  | 
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| 195 |  | 
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| 196 | static LRESULT | 
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| 197 | HOTKEY_SetFont (HWND hwnd, WPARAM wParam, LPARAM lParam) | 
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| 198 | { | 
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| 199 | HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr (hwnd); | 
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| 200 | TEXTMETRICA tm; | 
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| 201 | HDC hdc; | 
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| 202 | HFONT hOldFont = 0; | 
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| 203 |  | 
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| 204 | infoPtr->hFont = (HFONT)wParam; | 
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| 205 |  | 
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| 206 | hdc = GetDC (hwnd); | 
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| 207 | if (infoPtr->hFont) | 
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| 208 | hOldFont = SelectObject (hdc, infoPtr->hFont); | 
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| 209 |  | 
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| 210 | GetTextMetricsA (hdc, &tm); | 
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| 211 | infoPtr->nHeight = tm.tmHeight; | 
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| 212 |  | 
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| 213 | if (infoPtr->hFont) | 
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| 214 | SelectObject (hdc, hOldFont); | 
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| 215 | ReleaseDC (hwnd, hdc); | 
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| 216 |  | 
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| 217 | if (LOWORD(lParam)) { | 
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| 218 |  | 
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| 219 | //      FIXME (hotkey, "force redraw!\n"); | 
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| 220 |  | 
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| 221 | } | 
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| 222 |  | 
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| 223 | return 0; | 
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| 224 | } | 
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| 225 |  | 
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| 226 |  | 
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| 227 | static LRESULT WINE_UNUSED | 
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| 228 | HOTKEY_SysKeyDown (HWND hwnd, WPARAM wParam, LPARAM lParam) | 
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| 229 | { | 
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| 230 | /* HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr (hwnd); */ | 
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| 231 |  | 
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| 232 | switch (wParam) { | 
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| 233 | case VK_RETURN: | 
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| 234 | case VK_TAB: | 
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| 235 | case VK_SPACE: | 
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| 236 | case VK_DELETE: | 
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| 237 | case VK_ESCAPE: | 
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| 238 | case VK_BACK: | 
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| 239 | return DefWindowProcA (hwnd, WM_SYSKEYDOWN, wParam, lParam); | 
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| 240 |  | 
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| 241 | case VK_SHIFT: | 
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| 242 | case VK_CONTROL: | 
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| 243 | case VK_MENU: | 
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| 244 | //          FIXME (hotkey, "modifier key pressed!\n"); | 
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| 245 | break; | 
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| 246 |  | 
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| 247 | default: | 
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| 248 | //          FIXME (hotkey, " %d\n", wParam); | 
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| 249 | break; | 
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| 250 | } | 
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| 251 |  | 
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| 252 | return TRUE; | 
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| 253 | } | 
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| 254 |  | 
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| 255 |  | 
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| 256 | static LRESULT WINE_UNUSED | 
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| 257 | HOTKEY_SysKeyUp (HWND hwnd, WPARAM wParam, LPARAM lParam) | 
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| 258 | { | 
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| 259 | /* HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr (hwnd); */ | 
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| 260 |  | 
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| 261 | //    FIXME (hotkey, " %d\n", wParam); | 
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| 262 |  | 
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| 263 | return 0; | 
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| 264 | } | 
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| 265 |  | 
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| 266 |  | 
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| 267 |  | 
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| 268 | static LRESULT WINAPI | 
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| 269 | HOTKEY_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) | 
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| 270 | { | 
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| 271 | switch (uMsg) | 
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| 272 | { | 
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| 273 | /*      case HKM_GETHOTKEY: */ | 
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| 274 | /*      case HKM_SETHOTKEY: */ | 
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| 275 | /*      case HKM_SETRULES: */ | 
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| 276 |  | 
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| 277 | /*      case WM_CHAR: */ | 
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| 278 |  | 
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| 279 | case WM_CREATE: | 
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| 280 | return HOTKEY_Create (hwnd, wParam, lParam); | 
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| 281 |  | 
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| 282 | case WM_DESTROY: | 
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| 283 | return HOTKEY_Destroy (hwnd, wParam, lParam); | 
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| 284 |  | 
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| 285 | case WM_ERASEBKGND: | 
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| 286 | return HOTKEY_EraseBackground (hwnd, wParam, lParam); | 
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| 287 |  | 
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| 288 | case WM_GETDLGCODE: | 
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| 289 | return DLGC_WANTCHARS | DLGC_WANTARROWS; | 
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| 290 |  | 
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| 291 | case WM_GETFONT: | 
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| 292 | return HOTKEY_GetFont (hwnd, wParam, lParam); | 
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| 293 |  | 
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| 294 | case WM_KEYDOWN: | 
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| 295 | case WM_SYSKEYDOWN: | 
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| 296 | return HOTKEY_KeyDown (hwnd, wParam, lParam); | 
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| 297 |  | 
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| 298 | case WM_KEYUP: | 
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| 299 | case WM_SYSKEYUP: | 
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| 300 | return HOTKEY_KeyUp (hwnd, wParam, lParam); | 
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| 301 |  | 
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| 302 | case WM_KILLFOCUS: | 
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| 303 | return HOTKEY_KillFocus (hwnd, wParam, lParam); | 
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| 304 |  | 
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| 305 | case WM_LBUTTONDOWN: | 
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| 306 | return HOTKEY_LButtonDown (hwnd, wParam, lParam); | 
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| 307 |  | 
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| 308 | case WM_NCCREATE: | 
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| 309 | return HOTKEY_NCCreate (hwnd, wParam, lParam); | 
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| 310 |  | 
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| 311 | /*      case WM_PAINT: */ | 
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| 312 |  | 
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| 313 | case WM_SETFOCUS: | 
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| 314 | return HOTKEY_SetFocus (hwnd, wParam, lParam); | 
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| 315 |  | 
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| 316 | case WM_SETFONT: | 
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| 317 | return HOTKEY_SetFont (hwnd, wParam, lParam); | 
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| 318 |  | 
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| 319 | /*      case WM_SYSCHAR: */ | 
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| 320 |  | 
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| 321 | default: | 
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| 322 | //          if (uMsg >= WM_USER) | 
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| 323 | //              ERR (hotkey, "unknown msg %04x wp=%08x lp=%08lx\n", | 
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| 324 | //                   uMsg, wParam, lParam); | 
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| 325 | return DefWindowProcA (hwnd, uMsg, wParam, lParam); | 
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| 326 | } | 
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| 327 | return 0; | 
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| 328 | } | 
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| 329 |  | 
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| 330 |  | 
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| 331 | VOID | 
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| 332 | HOTKEY_Register (VOID) | 
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| 333 | { | 
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| 334 | WNDCLASSA wndClass; | 
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| 335 |  | 
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| 336 | if (GlobalFindAtomA (HOTKEY_CLASSA)) return; | 
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| 337 |  | 
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| 338 | ZeroMemory (&wndClass, sizeof(WNDCLASSA)); | 
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| 339 | wndClass.style         = CS_GLOBALCLASS; | 
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| 340 | wndClass.lpfnWndProc   = (WNDPROC)HOTKEY_WindowProc; | 
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| 341 | wndClass.cbClsExtra    = 0; | 
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| 342 | wndClass.cbWndExtra    = sizeof(HOTKEY_INFO *); | 
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| 343 | wndClass.hCursor       = 0; | 
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| 344 | wndClass.hbrBackground = 0; | 
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| 345 | wndClass.lpszClassName = HOTKEY_CLASSA; | 
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| 346 |  | 
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| 347 | RegisterClassA (&wndClass); | 
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| 348 | } | 
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| 349 |  | 
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| 350 |  | 
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| 351 | VOID | 
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| 352 | HOTKEY_Unregister (VOID) | 
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| 353 | { | 
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| 354 | if (GlobalFindAtomA (HOTKEY_CLASSA)) | 
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| 355 | UnregisterClassA (HOTKEY_CLASSA, (HINSTANCE)NULL); | 
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| 356 | } | 
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| 357 |  | 
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