dlls/comctl32/hotkey.c

   1 /*
   2  * Hotkey control
   3  *
   4  * Copyright 1998 Eric Kohl
   5  *
   6  * NOTES
   7  *   Development in progress. An author is needed! Any volunteers?
   8  *   I will only improve this control once in a while.
   9  *     Eric <ekohl@abo.rhein-zeitung.de>
  10  *
  11  * TODO:
  12  *   - Some messages.
  13  *   - Display code.
  14  */
  15
  16 #include "commctrl.h"
  17 #include "hotkey.h"
  18 #include "win.h"
  19 #include "debug.h"
  20
  21
  22 #define HOTKEY_GetInfoPtr(wndPtr) ((HOTKEY_INFO *)wndPtr->wExtra[0])
  23
  24
  25 /* << HOTHEY_GetHotKey >> */
  26 /* << HOTHEY_SetHotKey >> */
  27 /* << HOTHEY_SetRules >> */
  28
  29
  30
  31 /* << HOTKEY_Char >> */
  32
  33
  34 static LRESULT
  35 HOTKEY_Create (WND *wndPtr, WPARAM wParam, LPARAM lParam)
  36 {
  37     HOTKEY_INFO *infoPtr;
  38     TEXTMETRICA tm;
  39     HDC hdc;
  40
  41     /* allocate memory for info structure */
  42     infoPtr = (HOTKEY_INFO *)COMCTL32_Alloc (sizeof(HOTKEY_INFO));
  43     wndPtr->wExtra[0] = (DWORD)infoPtr;
  44
  45     if (infoPtr == NULL) {
  46         ERR (listview, "could not allocate info memory!\n");
  47         return 0;
  48     }
  49
  50     if ((HOTKEY_INFO*)wndPtr->wExtra[0] != infoPtr) {
  51         ERR (listview, "pointer assignment error!\n");
  52         return 0;
  53     }
  54
  55
  56     /* initialize info structure */
  57
  58     /* get default font height */
  59     hdc = GetDC (wndPtr->hwndSelf);
  60     GetTextMetricsA (hdc, &tm);
  61     infoPtr->nHeight = tm.tmHeight;
  62     ReleaseDC (wndPtr->hwndSelf, hdc);
  63
  64     return 0;
  65 }
  66
  67
  68 static LRESULT
  69 HOTKEY_Destroy (WND *wndPtr, WPARAM wParam, LPARAM lParam)
  70 {
  71     HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr(wndPtr);
  72
  73
  74
  75     /* free hotkey info data */
  76     COMCTL32_Free (infoPtr);
  77
  78     return 0;
  79 }
  80
  81
  82 static LRESULT
  83 HOTKEY_EraseBackground (WND *wndPtr, WPARAM wParam, LPARAM lParam)
  84 {
  85     /* HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr(wndPtr); */
  86     HBRUSH hBrush;
  87     RECT   rc;
  88
  89     hBrush =
  90         (HBRUSH)SendMessageA (wndPtr->parent->hwndSelf, WM_CTLCOLOREDIT,
  91                                   wParam, (LPARAM)wndPtr->hwndSelf);
  92     if (hBrush)
  93         hBrush = (HBRUSH)GetStockObject (WHITE_BRUSH);
  94     GetClientRect (wndPtr->hwndSelf, &rc);
  95
  96     FillRect ((HDC)wParam, &rc, hBrush);
  97
  98     return -1;
  99 }
 100
 101
 102 __inline__ static LRESULT
 103 HOTKEY_GetFont (WND *wndPtr, WPARAM wParam, LPARAM lParam)
 104 {
 105     HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr(wndPtr);
 106
 107     return infoPtr->hFont;
 108 }
 109
 110
 111 static LRESULT
 112 HOTKEY_KeyDown (WND *wndPtr, WPARAM wParam, LPARAM lParam)
 113 {
 114     /* HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr(wndPtr); */
 115
 116     switch (wParam) {
 117         case VK_RETURN:
 118         case VK_TAB:
 119         case VK_SPACE:
 120         case VK_DELETE:
 121         case VK_ESCAPE:
 122         case VK_BACK:
 123             return DefWindowProcA (wndPtr->hwndSelf, WM_KEYDOWN, wParam, lParam);
 124
 125         case VK_SHIFT:
 126         case VK_CONTROL:
 127         case VK_MENU:
 128             FIXME (hotkey, "modifier key pressed!\n");
 129             break;
 130
 131         default:
 132             FIXME (hotkey, " %d\n", wParam);
 133             break;
 134     }
 135
 136     return TRUE;
 137 }
 138
 139
 140 static LRESULT
 141 HOTKEY_KeyUp (WND *wndPtr, WPARAM wParam, LPARAM lParam)
 142 {
 143     /* HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr(wndPtr); */
 144
 145     FIXME (hotkey, " %d\n", wParam);
 146
 147     return 0;
 148 }
 149
 150
 151 static LRESULT
 152 HOTKEY_KillFocus (WND *wndPtr, WPARAM wParam, LPARAM lParam)
 153 {
 154     HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr(wndPtr);
 155
 156     infoPtr->bFocus = FALSE;
 157     DestroyCaret ();
 158
 159     return 0;
 160 }
 161
 162
 163 static LRESULT
 164 HOTKEY_LButtonDown (WND *wndPtr, WPARAM wParam, LPARAM lParam)
 165 {
 166 /*    HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr(wndPtr); */
 167
 168     SetFocus (wndPtr->hwndSelf);
 169
 170     return 0;
 171 }
 172
 173
 174 __inline__ static LRESULT
 175 HOTKEY_NCCreate (WND *wndPtr, WPARAM wParam, LPARAM lParam)
 176 {
 177     wndPtr->dwExStyle |= WS_EX_CLIENTEDGE;
 178
 179     return DefWindowProcA (wndPtr->hwndSelf, WM_NCCREATE, wParam, lParam);
 180 }
 181
 182
 183
 184
 185
 186 static LRESULT
 187 HOTKEY_SetFocus (WND *wndPtr, WPARAM wParam, LPARAM lParam)
 188 {
 189     HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr(wndPtr);
 190
 191     infoPtr->bFocus = TRUE;
 192
 193
 194     CreateCaret (wndPtr->hwndSelf, (HBITMAP)0, 1, infoPtr->nHeight);
 195
 196     SetCaretPos (1, 1);
 197
 198     ShowCaret (wndPtr->hwndSelf);
 199
 200
 201     return 0;
 202 }
 203
 204
 205 __inline__ static LRESULT
 206 HOTKEY_SetFont (WND *wndPtr, WPARAM wParam, LPARAM lParam)
 207 {
 208     HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr(wndPtr);
 209     TEXTMETRICA tm;
 210     HDC hdc;
 211     HFONT hOldFont = 0;
 212
 213     infoPtr->hFont = (HFONT)wParam;
 214
 215     hdc = GetDC (wndPtr->hwndSelf);
 216     if (infoPtr->hFont)
 217         hOldFont = SelectObject (hdc, infoPtr->hFont);
 218
 219     GetTextMetricsA (hdc, &tm);
 220     infoPtr->nHeight = tm.tmHeight;
 221
 222     if (infoPtr->hFont)
 223         SelectObject (hdc, hOldFont);
 224     ReleaseDC (wndPtr->hwndSelf, hdc);
 225
 226     if (LOWORD(lParam)) {
 227
 228         FIXME (hotkey, "force redraw!\n");
 229
 230     }
 231
 232     return 0;
 233 }
 234
 235
 236 static LRESULT
 237 HOTKEY_SysKeyDown (WND *wndPtr, WPARAM wParam, LPARAM lParam)
 238 {
 239     /* HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr(wndPtr); */
 240
 241     switch (wParam) {
 242         case VK_RETURN:
 243         case VK_TAB:
 244         case VK_SPACE:
 245         case VK_DELETE:
 246         case VK_ESCAPE:
 247         case VK_BACK:
 248             return DefWindowProcA (wndPtr->hwndSelf, WM_SYSKEYDOWN, wParam, lParam);
 249
 250         case VK_SHIFT:
 251         case VK_CONTROL:
 252         case VK_MENU:
 253             FIXME (hotkey, "modifier key pressed!\n");
 254             break;
 255
 256         default:
 257             FIXME (hotkey, " %d\n", wParam);
 258             break;
 259     }
 260
 261     return TRUE;
 262 }
 263
 264
 265 static LRESULT
 266 HOTKEY_SysKeyUp (WND *wndPtr, WPARAM wParam, LPARAM lParam)
 267 {
 268     /* HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr(wndPtr); */
 269
 270     FIXME (hotkey, " %d\n", wParam);
 271
 272     return 0;
 273 }
 274
 275
 276
 277 LRESULT WINAPI
 278 HOTKEY_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 279 {
 280     WND *wndPtr = WIN_FindWndPtr(hwnd);
 281
 282     switch (uMsg)
 283     {
 284 /*      case HKM_GETHOTKEY: */
 285 /*      case HKM_SETHOTKEY: */
 286 /*      case HKM_SETRULES: */
 287
 288 /*      case WM_CHAR: */
 289
 290         case WM_CREATE:
 291             return HOTKEY_Create (wndPtr, wParam, lParam);
 292
 293         case WM_DESTROY:
 294             return HOTKEY_Destroy (wndPtr, wParam, lParam);
 295
 296         case WM_ERASEBKGND:
 297             return HOTKEY_EraseBackground (wndPtr, wParam, lParam);
 298
 299         case WM_GETDLGCODE:
 300             return DLGC_WANTCHARS | DLGC_WANTARROWS;
 301
 302         case WM_GETFONT:
 303             return HOTKEY_GetFont (wndPtr, wParam, lParam);
 304
 305         case WM_KEYDOWN:
 306         case WM_SYSKEYDOWN:
 307             return HOTKEY_KeyDown (wndPtr, wParam, lParam);
 308
 309         case WM_KEYUP:
 310         case WM_SYSKEYUP:
 311             return HOTKEY_KeyUp (wndPtr, wParam, lParam);
 312
 313         case WM_KILLFOCUS:
 314             return HOTKEY_KillFocus (wndPtr, wParam, lParam);
 315
 316         case WM_LBUTTONDOWN:
 317             return HOTKEY_LButtonDown (wndPtr, wParam, lParam);
 318
 319         case WM_NCCREATE:
 320             return HOTKEY_NCCreate (wndPtr, wParam, lParam);
 321
 322 /*      case WM_PAINT: */
 323
 324         case WM_SETFOCUS:
 325             return HOTKEY_SetFocus (wndPtr, wParam, lParam);
 326
 327         case WM_SETFONT:
 328             return HOTKEY_SetFont (wndPtr, wParam, lParam);
 329
 330 /*      case WM_SYSCHAR: */
 331
 332         default:
 333             if (uMsg >= WM_USER)
 334                 ERR (hotkey, "unknown msg %04x wp=%08x lp=%08lx\n",
 335                      uMsg, wParam, lParam);
 336             return DefWindowProcA (hwnd, uMsg, wParam, lParam);
 337     }
 338     return 0;
 339 }
 340
 341
 342 VOID
 343 HOTKEY_Register (VOID)
 344 {
 345     WNDCLASSA wndClass;
 346
 347     if (GlobalFindAtomA (HOTKEY_CLASSA)) return;
 348
 349     ZeroMemory (&wndClass, sizeof(WNDCLASSA));
 350     wndClass.style         = CS_GLOBALCLASS;
 351     wndClass.lpfnWndProc   = (WNDPROC)HOTKEY_WindowProc;
 352     wndClass.cbClsExtra    = 0;
 353     wndClass.cbWndExtra    = sizeof(HOTKEY_INFO *);
 354     wndClass.hCursor       = 0;
 355     wndClass.hbrBackground = 0;
 356     wndClass.lpszClassName = HOTKEY_CLASSA;
 357
 358     RegisterClassA (&wndClass);
 359 }
 360
 361
 362 VOID
 363 HOTKEY_Unregister (VOID)
 364 {
 365     if (GlobalFindAtomA (HOTKEY_CLASSA))
 366         UnregisterClassA (HOTKEY_CLASSA, (HINSTANCE)NULL);
 367 }
 368