| 1 | /* |
| 2 | *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. |
| 3 | * |
| 4 | *Permission is hereby granted, free of charge, to any person obtaining |
| 5 | * a copy of this software and associated documentation files (the |
| 6 | *"Software"), to deal in the Software without restriction, including |
| 7 | *without limitation the rights to use, copy, modify, merge, publish, |
| 8 | *distribute, sublicense, and/or sell copies of the Software, and to |
| 9 | *permit persons to whom the Software is furnished to do so, subject to |
| 10 | *the following conditions: |
| 11 | * |
| 12 | *The above copyright notice and this permission notice shall be |
| 13 | *included in all copies or substantial portions of the Software. |
| 14 | * |
| 15 | *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 16 | *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 17 | *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 18 | *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR |
| 19 | *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF |
| 20 | *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 21 | *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 22 | * |
| 23 | *Except as contained in this notice, the name of the XFree86 Project |
| 24 | *shall not be used in advertising or otherwise to promote the sale, use |
| 25 | *or other dealings in this Software without prior written authorization |
| 26 | *from the XFree86 Project. |
| 27 | * |
| 28 | * Authors: Dakshinamurthy Karra |
| 29 | * Suhaib M Siddiqi |
| 30 | * Peter Busch |
| 31 | * Harold L Hunt II |
| 32 | * MATSUZAKI Kensuke |
| 33 | */ |
| 34 | |
| 35 | #ifdef HAVE_XWIN_CONFIG_H |
| 36 | #include <xwin-config.h> |
| 37 | #endif |
| 38 | #include "win.h" |
| 39 | #include <commctrl.h> |
| 40 | #include "winprefs.h" |
| 41 | #include "winconfig.h" |
| 42 | #include "winmsg.h" |
| 43 | #include "winmonitors.h" |
| 44 | #include "inputstr.h" |
| 45 | |
| 46 | /* |
| 47 | * Global variables |
| 48 | */ |
| 49 | |
| 50 | Bool g_fCursor = TRUE; |
| 51 | Bool g_fButton[3] = { FALSE, FALSE, FALSE }; |
| 52 | |
| 53 | /* |
| 54 | * Called by winWakeupHandler |
| 55 | * Processes current Windows message |
| 56 | */ |
| 57 | |
| 58 | LRESULT CALLBACK |
| 59 | winWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) |
| 60 | { |
| 61 | static winPrivScreenPtr s_pScreenPriv = NULL; |
| 62 | static winScreenInfo *s_pScreenInfo = NULL; |
| 63 | static ScreenPtr s_pScreen = NULL; |
| 64 | static HWND s_hwndLastPrivates = NULL; |
| 65 | static Bool s_fTracking = FALSE; |
| 66 | static unsigned long s_ulServerGeneration = 0; |
| 67 | static UINT s_uTaskbarRestart = 0; |
| 68 | int iScanCode; |
| 69 | int i; |
| 70 | |
| 71 | #if CYGDEBUG |
| 72 | winDebugWin32Message("winWindowProc", hwnd, message, wParam, lParam); |
| 73 | #endif |
| 74 | |
| 75 | /* Watch for server regeneration */ |
| 76 | if (g_ulServerGeneration != s_ulServerGeneration) { |
| 77 | /* Store new server generation */ |
| 78 | s_ulServerGeneration = g_ulServerGeneration; |
| 79 | } |
| 80 | |
| 81 | /* Only retrieve new privates pointers if window handle is null or changed */ |
| 82 | if ((s_pScreenPriv == NULL || hwnd != s_hwndLastPrivates) |
| 83 | && (s_pScreenPriv = GetProp(hwnd, WIN_SCR_PROP)) != NULL) { |
| 84 | #if CYGDEBUG |
| 85 | winDebug("winWindowProc - Setting privates handle\n"); |
| 86 | #endif |
| 87 | s_pScreenInfo = s_pScreenPriv->pScreenInfo; |
| 88 | s_pScreen = s_pScreenInfo->pScreen; |
| 89 | s_hwndLastPrivates = hwnd; |
| 90 | } |
| 91 | else if (s_pScreenPriv == NULL) { |
| 92 | /* For safety, handle case that should never happen */ |
| 93 | s_pScreenInfo = NULL; |
| 94 | s_pScreen = NULL; |
| 95 | s_hwndLastPrivates = NULL; |
| 96 | } |
| 97 | |
| 98 | /* Branch on message type */ |
| 99 | switch (message) { |
| 100 | case WM_TRAYICON: |
| 101 | return winHandleIconMessage(hwnd, message, wParam, lParam, |
| 102 | s_pScreenPriv); |
| 103 | |
| 104 | case WM_CREATE: |
| 105 | #if CYGDEBUG |
| 106 | winDebug("winWindowProc - WM_CREATE\n"); |
| 107 | #endif |
| 108 | |
| 109 | /* |
| 110 | * Add a property to our display window that references |
| 111 | * this screens' privates. |
| 112 | * |
| 113 | * This allows the window procedure to refer to the |
| 114 | * appropriate window DC and shadow DC for the window that |
| 115 | * it is processing. We use this to repaint exposed |
| 116 | * areas of our display window. |
| 117 | */ |
| 118 | s_pScreenPriv = ((LPCREATESTRUCT) lParam)->lpCreateParams; |
| 119 | s_pScreenInfo = s_pScreenPriv->pScreenInfo; |
| 120 | s_pScreen = s_pScreenInfo->pScreen; |
| 121 | s_hwndLastPrivates = hwnd; |
| 122 | s_uTaskbarRestart = RegisterWindowMessage(TEXT("TaskbarCreated")); |
| 123 | SetProp(hwnd, WIN_SCR_PROP, s_pScreenPriv); |
| 124 | |
| 125 | /* Setup tray icon */ |
| 126 | if (!s_pScreenInfo->fNoTrayIcon) { |
| 127 | /* |
| 128 | * NOTE: The WM_CREATE message is processed before CreateWindowEx |
| 129 | * returns, so s_pScreenPriv->hwndScreen is invalid at this point. |
| 130 | * We go ahead and copy our hwnd parameter over top of the screen |
| 131 | * privates hwndScreen so that we have a valid value for |
| 132 | * that member. Otherwise, the tray icon will disappear |
| 133 | * the first time you move the mouse over top of it. |
| 134 | */ |
| 135 | |
| 136 | s_pScreenPriv->hwndScreen = hwnd; |
| 137 | |
| 138 | winInitNotifyIcon(s_pScreenPriv); |
| 139 | } |
| 140 | return 0; |
| 141 | |
| 142 | case WM_DISPLAYCHANGE: |
| 143 | /* |
| 144 | WM_DISPLAYCHANGE seems to be sent when the monitor layout or |
| 145 | any monitor's resolution or depth changes, but it's lParam and |
| 146 | wParam always indicate the resolution and bpp for the primary |
| 147 | monitor (so ignore that as we could be on any monitor...) |
| 148 | */ |
| 149 | |
| 150 | /* We cannot handle a display mode change during initialization */ |
| 151 | if (s_pScreenInfo == NULL) |
| 152 | FatalError("winWindowProc - WM_DISPLAYCHANGE - The display " |
| 153 | "mode changed while we were intializing. This is " |
| 154 | "very bad and unexpected. Exiting.\n"); |
| 155 | |
| 156 | /* |
| 157 | * We do not care about display changes with |
| 158 | * fullscreen DirectDraw engines, because those engines set |
| 159 | * their own mode when they become active. |
| 160 | */ |
| 161 | if (s_pScreenInfo->fFullScreen |
| 162 | && (s_pScreenInfo->dwEngine == WIN_SERVER_SHADOW_DD |
| 163 | || s_pScreenInfo->dwEngine == WIN_SERVER_SHADOW_DDNL |
| 164 | #ifdef XWIN_PRIMARYFB |
| 165 | || s_pScreenInfo->dwEngine == WIN_SERVER_PRIMARY_DD |
| 166 | #endif |
| 167 | )) { |
| 168 | break; |
| 169 | } |
| 170 | |
| 171 | ErrorF("winWindowProc - WM_DISPLAYCHANGE - new width: %d " |
| 172 | "new height: %d new bpp: %d\n", |
| 173 | LOWORD(lParam), HIWORD(lParam), wParam); |
| 174 | |
| 175 | /* 0 bpp has no defined meaning, ignore this message */ |
| 176 | if (wParam == 0) |
| 177 | break; |
| 178 | |
| 179 | /* |
| 180 | * Check for a disruptive change in depth. |
| 181 | * We can only display a message for a disruptive depth change, |
| 182 | * we cannot do anything to correct the situation. |
| 183 | */ |
| 184 | /* |
| 185 | XXX: maybe we need to check if GetSystemMetrics(SM_SAMEDISPLAYFORMAT) |
| 186 | has changed as well... |
| 187 | */ |
| 188 | if (s_pScreenInfo->dwBPP != |
| 189 | GetDeviceCaps(s_pScreenPriv->hdcScreen, BITSPIXEL)) { |
| 190 | if ((s_pScreenInfo->dwEngine == WIN_SERVER_SHADOW_DD || |
| 191 | s_pScreenInfo->dwEngine == WIN_SERVER_SHADOW_DDNL |
| 192 | #ifdef XWIN_PRIMARYFB |
| 193 | || s_pScreenInfo->dwEngine == WIN_SERVER_PRIMARY_DD |
| 194 | #endif |
| 195 | )) { |
| 196 | /* Cannot display the visual until the depth is restored */ |
| 197 | ErrorF("winWindowProc - Disruptive change in depth\n"); |
| 198 | |
| 199 | /* Display depth change dialog */ |
| 200 | winDisplayDepthChangeDialog(s_pScreenPriv); |
| 201 | |
| 202 | /* Flag that we have an invalid screen depth */ |
| 203 | s_pScreenPriv->fBadDepth = TRUE; |
| 204 | |
| 205 | /* Minimize the display window */ |
| 206 | ShowWindow(hwnd, SW_MINIMIZE); |
| 207 | } |
| 208 | else { |
| 209 | /* For GDI, performance may suffer until original depth is restored */ |
| 210 | ErrorF |
| 211 | ("winWindowProc - Performance may be non-optimal after change in depth\n"); |
| 212 | } |
| 213 | } |
| 214 | else { |
| 215 | /* Flag that we have a valid screen depth */ |
| 216 | s_pScreenPriv->fBadDepth = FALSE; |
| 217 | } |
| 218 | |
| 219 | /* |
| 220 | If we could cheaply check if this WM_DISPLAYCHANGE change |
| 221 | affects the monitor(s) which this X screen is displayed on |
| 222 | then we should do so here. For the moment, assume it does. |
| 223 | (this is probably usually the case so that might be an |
| 224 | overoptimization) |
| 225 | */ |
| 226 | { |
| 227 | /* |
| 228 | In rootless modes which are monitor or virtual desktop size |
| 229 | use RandR to resize the X screen |
| 230 | */ |
| 231 | if ((!s_pScreenInfo->fUserGaveHeightAndWidth) && |
| 232 | (s_pScreenInfo->iResizeMode == resizeWithRandr) && (FALSE |
| 233 | #ifdef XWIN_MULTIWINDOWEXTWM |
| 234 | || |
| 235 | s_pScreenInfo-> |
| 236 | fMWExtWM |
| 237 | #endif |
| 238 | || |
| 239 | s_pScreenInfo-> |
| 240 | fRootless |
| 241 | #ifdef XWIN_MULTIWINDOW |
| 242 | || |
| 243 | s_pScreenInfo-> |
| 244 | fMultiWindow |
| 245 | #endif |
| 246 | )) { |
| 247 | DWORD dwWidth, dwHeight; |
| 248 | |
| 249 | if (s_pScreenInfo->fMultipleMonitors) { |
| 250 | /* resize to new virtual desktop size */ |
| 251 | dwWidth = GetSystemMetrics(SM_CXVIRTUALSCREEN); |
| 252 | dwHeight = GetSystemMetrics(SM_CYVIRTUALSCREEN); |
| 253 | } |
| 254 | else { |
| 255 | /* resize to new size of specified monitor */ |
| 256 | struct GetMonitorInfoData data; |
| 257 | |
| 258 | if (QueryMonitor(s_pScreenInfo->iMonitor, &data)) { |
| 259 | if (data.bMonitorSpecifiedExists == TRUE) { |
| 260 | dwWidth = data.monitorWidth; |
| 261 | dwHeight = data.monitorHeight; |
| 262 | /* |
| 263 | XXX: monitor may have changed position, |
| 264 | so we might need to update xinerama data |
| 265 | */ |
| 266 | } |
| 267 | else { |
| 268 | ErrorF("Monitor number %d no longer exists!\n", |
| 269 | s_pScreenInfo->iMonitor); |
| 270 | } |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | /* |
| 275 | XXX: probably a small bug here: we don't compute the work area |
| 276 | and allow for task bar |
| 277 | |
| 278 | XXX: generally, we don't allow for the task bar being moved after |
| 279 | the server is started |
| 280 | */ |
| 281 | |
| 282 | /* Set screen size to match new size, if it is different to current */ |
| 283 | if ((s_pScreenInfo->dwWidth != dwWidth) || |
| 284 | (s_pScreenInfo->dwHeight != dwHeight)) { |
| 285 | winDoRandRScreenSetSize(s_pScreen, |
| 286 | dwWidth, |
| 287 | dwHeight, |
| 288 | (dwWidth * 25.4) / |
| 289 | monitorResolution, |
| 290 | (dwHeight * 25.4) / |
| 291 | monitorResolution); |
| 292 | } |
| 293 | } |
| 294 | else { |
| 295 | /* |
| 296 | * We can simply recreate the same-sized primary surface when |
| 297 | * the display dimensions change. |
| 298 | */ |
| 299 | |
| 300 | /* |
| 301 | * NOTE: The non-DirectDraw engines set the ReleasePrimarySurface |
| 302 | * and CreatePrimarySurface function pointers to point |
| 303 | * to the no operation function, NoopDDA. This allows us |
| 304 | * to blindly call these functions, even if they are not |
| 305 | * relevant to the current engine (e.g., Shadow GDI). |
| 306 | */ |
| 307 | |
| 308 | winDebug |
| 309 | ("winWindowProc - WM_DISPLAYCHANGE - Releasing and recreating primary surface\n"); |
| 310 | |
| 311 | /* Release the old primary surface */ |
| 312 | (*s_pScreenPriv->pwinReleasePrimarySurface) (s_pScreen); |
| 313 | |
| 314 | /* Create the new primary surface */ |
| 315 | (*s_pScreenPriv->pwinCreatePrimarySurface) (s_pScreen); |
| 316 | } |
| 317 | } |
| 318 | |
| 319 | break; |
| 320 | |
| 321 | case WM_SIZE: |
| 322 | { |
| 323 | SCROLLINFO si; |
| 324 | RECT rcWindow; |
| 325 | int iWidth, iHeight; |
| 326 | |
| 327 | #if CYGDEBUG |
| 328 | winDebug("winWindowProc - WM_SIZE\n"); |
| 329 | #endif |
| 330 | |
| 331 | /* Break if we do not allow resizing */ |
| 332 | if ((s_pScreenInfo->iResizeMode == notAllowed) |
| 333 | || !s_pScreenInfo->fDecoration |
| 334 | #ifdef XWIN_MULTIWINDOWEXTWM |
| 335 | || s_pScreenInfo->fMWExtWM |
| 336 | #endif |
| 337 | || s_pScreenInfo->fRootless |
| 338 | #ifdef XWIN_MULTIWINDOW |
| 339 | || s_pScreenInfo->fMultiWindow |
| 340 | #endif |
| 341 | || s_pScreenInfo->fFullScreen) |
| 342 | break; |
| 343 | |
| 344 | /* No need to resize if we get minimized */ |
| 345 | if (wParam == SIZE_MINIMIZED) |
| 346 | return 0; |
| 347 | |
| 348 | ErrorF("winWindowProc - WM_SIZE - new client area w: %d h: %d\n", |
| 349 | LOWORD(lParam), HIWORD(lParam)); |
| 350 | |
| 351 | if (s_pScreenInfo->iResizeMode == resizeWithRandr) { |
| 352 | /* Actual resizing is done on WM_EXITSIZEMOVE */ |
| 353 | return 0; |
| 354 | } |
| 355 | |
| 356 | /* Otherwise iResizeMode == resizeWithScrollbars */ |
| 357 | |
| 358 | /* |
| 359 | * Get the size of the whole window, including client area, |
| 360 | * scrollbars, and non-client area decorations (caption, borders). |
| 361 | * We do this because we need to check if the client area |
| 362 | * without scrollbars is large enough to display the whole visual. |
| 363 | * The new client area size passed by lParam already subtracts |
| 364 | * the size of the scrollbars if they are currently displayed. |
| 365 | * So checking is LOWORD(lParam) == visual_width and |
| 366 | * HIWORD(lParam) == visual_height will never tell us to hide |
| 367 | * the scrollbars because the client area would always be too small. |
| 368 | * GetClientRect returns the same sizes given by lParam, so we |
| 369 | * cannot use GetClientRect either. |
| 370 | */ |
| 371 | GetWindowRect(hwnd, &rcWindow); |
| 372 | iWidth = rcWindow.right - rcWindow.left; |
| 373 | iHeight = rcWindow.bottom - rcWindow.top; |
| 374 | |
| 375 | /* Subtract the frame size from the window size. */ |
| 376 | iWidth -= 2 * GetSystemMetrics(SM_CXSIZEFRAME); |
| 377 | iHeight -= (2 * GetSystemMetrics(SM_CYSIZEFRAME) |
| 378 | + GetSystemMetrics(SM_CYCAPTION)); |
| 379 | |
| 380 | /* |
| 381 | * Update scrollbar page sizes. |
| 382 | * NOTE: If page size == range, then the scrollbar is |
| 383 | * automatically hidden. |
| 384 | */ |
| 385 | |
| 386 | /* Is the naked client area large enough to show the whole visual? */ |
| 387 | if (iWidth < s_pScreenInfo->dwWidth |
| 388 | || iHeight < s_pScreenInfo->dwHeight) { |
| 389 | /* Client area too small to display visual, use scrollbars */ |
| 390 | iWidth -= GetSystemMetrics(SM_CXVSCROLL); |
| 391 | iHeight -= GetSystemMetrics(SM_CYHSCROLL); |
| 392 | } |
| 393 | |
| 394 | /* Set the horizontal scrollbar page size */ |
| 395 | si.cbSize = sizeof(si); |
| 396 | si.fMask = SIF_PAGE | SIF_RANGE; |
| 397 | si.nMin = 0; |
| 398 | si.nMax = s_pScreenInfo->dwWidth - 1; |
| 399 | si.nPage = iWidth; |
| 400 | SetScrollInfo(hwnd, SB_HORZ, &si, TRUE); |
| 401 | |
| 402 | /* Set the vertical scrollbar page size */ |
| 403 | si.cbSize = sizeof(si); |
| 404 | si.fMask = SIF_PAGE | SIF_RANGE; |
| 405 | si.nMin = 0; |
| 406 | si.nMax = s_pScreenInfo->dwHeight - 1; |
| 407 | si.nPage = iHeight; |
| 408 | SetScrollInfo(hwnd, SB_VERT, &si, TRUE); |
| 409 | |
| 410 | /* |
| 411 | * NOTE: Scrollbars may have moved if they were at the |
| 412 | * far right/bottom, so we query their current position. |
| 413 | */ |
| 414 | |
| 415 | /* Get the horizontal scrollbar position and set the offset */ |
| 416 | si.cbSize = sizeof(si); |
| 417 | si.fMask = SIF_POS; |
| 418 | GetScrollInfo(hwnd, SB_HORZ, &si); |
| 419 | s_pScreenInfo->dwXOffset = -si.nPos; |
| 420 | |
| 421 | /* Get the vertical scrollbar position and set the offset */ |
| 422 | si.cbSize = sizeof(si); |
| 423 | si.fMask = SIF_POS; |
| 424 | GetScrollInfo(hwnd, SB_VERT, &si); |
| 425 | s_pScreenInfo->dwYOffset = -si.nPos; |
| 426 | } |
| 427 | return 0; |
| 428 | |
| 429 | case WM_SYSCOMMAND: |
| 430 | if (s_pScreenInfo->iResizeMode == resizeWithRandr && |
| 431 | ((wParam & 0xfff0) == SC_MAXIMIZE || |
| 432 | (wParam & 0xfff0) == SC_RESTORE)) |
| 433 | PostMessage(hwnd, WM_EXITSIZEMOVE, 0, 0); |
| 434 | break; |
| 435 | |
| 436 | case WM_ENTERSIZEMOVE: |
| 437 | ErrorF("winWindowProc - WM_ENTERSIZEMOVE\n"); |
| 438 | break; |
| 439 | |
| 440 | case WM_EXITSIZEMOVE: |
| 441 | ErrorF("winWindowProc - WM_EXITSIZEMOVE\n"); |
| 442 | |
| 443 | if (s_pScreenInfo->iResizeMode == resizeWithRandr) { |
| 444 | /* Set screen size to match new client area, if it is different to current */ |
| 445 | RECT rcClient; |
| 446 | DWORD dwWidth, dwHeight; |
| 447 | |
| 448 | GetClientRect(hwnd, &rcClient); |
| 449 | dwWidth = rcClient.right - rcClient.left; |
| 450 | dwHeight = rcClient.bottom - rcClient.top; |
| 451 | |
| 452 | if ((s_pScreenInfo->dwWidth != dwWidth) || |
| 453 | (s_pScreenInfo->dwHeight != dwHeight)) { |
| 454 | /* mm = dots * (25.4 mm / inch) / (dots / inch) */ |
| 455 | winDoRandRScreenSetSize(s_pScreen, |
| 456 | dwWidth, |
| 457 | dwHeight, |
| 458 | (dwWidth * 25.4) / monitorResolution, |
| 459 | (dwHeight * 25.4) / monitorResolution); |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | break; |
| 464 | |
| 465 | case WM_VSCROLL: |
| 466 | { |
| 467 | SCROLLINFO si; |
| 468 | int iVertPos; |
| 469 | |
| 470 | #if CYGDEBUG |
| 471 | winDebug("winWindowProc - WM_VSCROLL\n"); |
| 472 | #endif |
| 473 | |
| 474 | /* Get vertical scroll bar info */ |
| 475 | si.cbSize = sizeof(si); |
| 476 | si.fMask = SIF_ALL; |
| 477 | GetScrollInfo(hwnd, SB_VERT, &si); |
| 478 | |
| 479 | /* Save the vertical position for comparison later */ |
| 480 | iVertPos = si.nPos; |
| 481 | |
| 482 | /* |
| 483 | * Don't forget: |
| 484 | * moving the scrollbar to the DOWN, scroll the content UP |
| 485 | */ |
| 486 | switch (LOWORD(wParam)) { |
| 487 | case SB_TOP: |
| 488 | si.nPos = si.nMin; |
| 489 | break; |
| 490 | |
| 491 | case SB_BOTTOM: |
| 492 | si.nPos = si.nMax - si.nPage + 1; |
| 493 | break; |
| 494 | |
| 495 | case SB_LINEUP: |
| 496 | si.nPos -= 1; |
| 497 | break; |
| 498 | |
| 499 | case SB_LINEDOWN: |
| 500 | si.nPos += 1; |
| 501 | break; |
| 502 | |
| 503 | case SB_PAGEUP: |
| 504 | si.nPos -= si.nPage; |
| 505 | break; |
| 506 | |
| 507 | case SB_PAGEDOWN: |
| 508 | si.nPos += si.nPage; |
| 509 | break; |
| 510 | |
| 511 | case SB_THUMBTRACK: |
| 512 | si.nPos = si.nTrackPos; |
| 513 | break; |
| 514 | |
| 515 | default: |
| 516 | break; |
| 517 | } |
| 518 | |
| 519 | /* |
| 520 | * We retrieve the position after setting it, |
| 521 | * because Windows may adjust it. |
| 522 | */ |
| 523 | si.fMask = SIF_POS; |
| 524 | SetScrollInfo(hwnd, SB_VERT, &si, TRUE); |
| 525 | GetScrollInfo(hwnd, SB_VERT, &si); |
| 526 | |
| 527 | /* Scroll the window if the position has changed */ |
| 528 | if (si.nPos != iVertPos) { |
| 529 | /* Save the new offset for bit block transfers, etc. */ |
| 530 | s_pScreenInfo->dwYOffset = -si.nPos; |
| 531 | |
| 532 | /* Change displayed region in the window */ |
| 533 | ScrollWindowEx(hwnd, |
| 534 | 0, |
| 535 | iVertPos - si.nPos, |
| 536 | NULL, NULL, NULL, NULL, SW_INVALIDATE); |
| 537 | |
| 538 | /* Redraw the window contents */ |
| 539 | UpdateWindow(hwnd); |
| 540 | } |
| 541 | } |
| 542 | return 0; |
| 543 | |
| 544 | case WM_HSCROLL: |
| 545 | { |
| 546 | SCROLLINFO si; |
| 547 | int iHorzPos; |
| 548 | |
| 549 | #if CYGDEBUG |
| 550 | winDebug("winWindowProc - WM_HSCROLL\n"); |
| 551 | #endif |
| 552 | |
| 553 | /* Get horizontal scroll bar info */ |
| 554 | si.cbSize = sizeof(si); |
| 555 | si.fMask = SIF_ALL; |
| 556 | GetScrollInfo(hwnd, SB_HORZ, &si); |
| 557 | |
| 558 | /* Save the horizontal position for comparison later */ |
| 559 | iHorzPos = si.nPos; |
| 560 | |
| 561 | /* |
| 562 | * Don't forget: |
| 563 | * moving the scrollbar to the RIGHT, scroll the content LEFT |
| 564 | */ |
| 565 | switch (LOWORD(wParam)) { |
| 566 | case SB_LEFT: |
| 567 | si.nPos = si.nMin; |
| 568 | break; |
| 569 | |
| 570 | case SB_RIGHT: |
| 571 | si.nPos = si.nMax - si.nPage + 1; |
| 572 | break; |
| 573 | |
| 574 | case SB_LINELEFT: |
| 575 | si.nPos -= 1; |
| 576 | break; |
| 577 | |
| 578 | case SB_LINERIGHT: |
| 579 | si.nPos += 1; |
| 580 | break; |
| 581 | |
| 582 | case SB_PAGELEFT: |
| 583 | si.nPos -= si.nPage; |
| 584 | break; |
| 585 | |
| 586 | case SB_PAGERIGHT: |
| 587 | si.nPos += si.nPage; |
| 588 | break; |
| 589 | |
| 590 | case SB_THUMBTRACK: |
| 591 | si.nPos = si.nTrackPos; |
| 592 | break; |
| 593 | |
| 594 | default: |
| 595 | break; |
| 596 | } |
| 597 | |
| 598 | /* |
| 599 | * We retrieve the position after setting it, |
| 600 | * because Windows may adjust it. |
| 601 | */ |
| 602 | si.fMask = SIF_POS; |
| 603 | SetScrollInfo(hwnd, SB_HORZ, &si, TRUE); |
| 604 | GetScrollInfo(hwnd, SB_HORZ, &si); |
| 605 | |
| 606 | /* Scroll the window if the position has changed */ |
| 607 | if (si.nPos != iHorzPos) { |
| 608 | /* Save the new offset for bit block transfers, etc. */ |
| 609 | s_pScreenInfo->dwXOffset = -si.nPos; |
| 610 | |
| 611 | /* Change displayed region in the window */ |
| 612 | ScrollWindowEx(hwnd, |
| 613 | iHorzPos - si.nPos, |
| 614 | 0, NULL, NULL, NULL, NULL, SW_INVALIDATE); |
| 615 | |
| 616 | /* Redraw the window contents */ |
| 617 | UpdateWindow(hwnd); |
| 618 | } |
| 619 | } |
| 620 | return 0; |
| 621 | |
| 622 | case WM_GETMINMAXINFO: |
| 623 | { |
| 624 | MINMAXINFO *pMinMaxInfo = (MINMAXINFO *) lParam; |
| 625 | int iCaptionHeight; |
| 626 | int iBorderHeight, iBorderWidth; |
| 627 | |
| 628 | #if CYGDEBUG |
| 629 | winDebug("winWindowProc - WM_GETMINMAXINFO - pScreenInfo: %08x\n", |
| 630 | s_pScreenInfo); |
| 631 | #endif |
| 632 | |
| 633 | /* Can't do anything without screen info */ |
| 634 | if (s_pScreenInfo == NULL |
| 635 | || (s_pScreenInfo->iResizeMode != resizeWithScrollbars) |
| 636 | || s_pScreenInfo->fFullScreen || !s_pScreenInfo->fDecoration |
| 637 | #ifdef XWIN_MULTIWINDOWEXTWM |
| 638 | || s_pScreenInfo->fMWExtWM |
| 639 | #endif |
| 640 | || s_pScreenInfo->fRootless |
| 641 | #ifdef XWIN_MULTIWINDOW |
| 642 | || s_pScreenInfo->fMultiWindow |
| 643 | #endif |
| 644 | ) |
| 645 | break; |
| 646 | |
| 647 | /* |
| 648 | * Here we can override the maximum tracking size, which |
| 649 | * is the largest size that can be assigned to our window |
| 650 | * via the sizing border. |
| 651 | */ |
| 652 | |
| 653 | /* |
| 654 | * FIXME: Do we only need to do this once, since our visual size |
| 655 | * does not change? Does Windows store this value statically |
| 656 | * once we have set it once? |
| 657 | */ |
| 658 | |
| 659 | /* Get the border and caption sizes */ |
| 660 | iCaptionHeight = GetSystemMetrics(SM_CYCAPTION); |
| 661 | iBorderWidth = 2 * GetSystemMetrics(SM_CXSIZEFRAME); |
| 662 | iBorderHeight = 2 * GetSystemMetrics(SM_CYSIZEFRAME); |
| 663 | |
| 664 | /* Allow the full visual to be displayed */ |
| 665 | pMinMaxInfo->ptMaxTrackSize.x = s_pScreenInfo->dwWidth + iBorderWidth; |
| 666 | pMinMaxInfo->ptMaxTrackSize.y |
| 667 | = s_pScreenInfo->dwHeight + iBorderHeight + iCaptionHeight; |
| 668 | } |
| 669 | return 0; |
| 670 | |
| 671 | case WM_ERASEBKGND: |
| 672 | #if CYGDEBUG |
| 673 | winDebug("winWindowProc - WM_ERASEBKGND\n"); |
| 674 | #endif |
| 675 | /* |
| 676 | * Pretend that we did erase the background but we don't care, |
| 677 | * the application uses the full window estate. This avoids some |
| 678 | * flickering when resizing. |
| 679 | */ |
| 680 | return TRUE; |
| 681 | |
| 682 | case WM_PAINT: |
| 683 | #if CYGDEBUG |
| 684 | winDebug("winWindowProc - WM_PAINT\n"); |
| 685 | #endif |
| 686 | /* Only paint if we have privates and the server is enabled */ |
| 687 | if (s_pScreenPriv == NULL |
| 688 | || !s_pScreenPriv->fEnabled |
| 689 | || (s_pScreenInfo->fFullScreen && !s_pScreenPriv->fActive) |
| 690 | || s_pScreenPriv->fBadDepth) { |
| 691 | /* We don't want to paint */ |
| 692 | break; |
| 693 | } |
| 694 | |
| 695 | /* Break out here if we don't have a valid paint routine */ |
| 696 | if (s_pScreenPriv->pwinBltExposedRegions == NULL) |
| 697 | break; |
| 698 | |
| 699 | /* Call the engine dependent repainter */ |
| 700 | (*s_pScreenPriv->pwinBltExposedRegions) (s_pScreen); |
| 701 | return 0; |
| 702 | |
| 703 | case WM_PALETTECHANGED: |
| 704 | { |
| 705 | #if CYGDEBUG |
| 706 | winDebug("winWindowProc - WM_PALETTECHANGED\n"); |
| 707 | #endif |
| 708 | /* |
| 709 | * Don't process if we don't have privates or a colormap, |
| 710 | * or if we have an invalid depth. |
| 711 | */ |
| 712 | if (s_pScreenPriv == NULL |
| 713 | || s_pScreenPriv->pcmapInstalled == NULL |
| 714 | || s_pScreenPriv->fBadDepth) |
| 715 | break; |
| 716 | |
| 717 | /* Return if we caused the palette to change */ |
| 718 | if ((HWND) wParam == hwnd) { |
| 719 | /* Redraw the screen */ |
| 720 | (*s_pScreenPriv->pwinRedrawScreen) (s_pScreen); |
| 721 | return 0; |
| 722 | } |
| 723 | |
| 724 | /* Reinstall the windows palette */ |
| 725 | (*s_pScreenPriv->pwinRealizeInstalledPalette) (s_pScreen); |
| 726 | |
| 727 | /* Redraw the screen */ |
| 728 | (*s_pScreenPriv->pwinRedrawScreen) (s_pScreen); |
| 729 | return 0; |
| 730 | } |
| 731 | |
| 732 | case WM_MOUSEMOVE: |
| 733 | /* We can't do anything without privates */ |
| 734 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 735 | break; |
| 736 | |
| 737 | /* We can't do anything without g_pwinPointer */ |
| 738 | if (g_pwinPointer == NULL) |
| 739 | break; |
| 740 | |
| 741 | /* Has the mouse pointer crossed screens? */ |
| 742 | if (s_pScreen != miPointerGetScreen(g_pwinPointer)) |
| 743 | miPointerSetScreen(g_pwinPointer, s_pScreenInfo->dwScreen, |
| 744 | GET_X_LPARAM(lParam) - s_pScreenInfo->dwXOffset, |
| 745 | GET_Y_LPARAM(lParam) - s_pScreenInfo->dwYOffset); |
| 746 | |
| 747 | /* Are we tracking yet? */ |
| 748 | if (!s_fTracking) { |
| 749 | TRACKMOUSEEVENT tme; |
| 750 | |
| 751 | /* Setup data structure */ |
| 752 | ZeroMemory(&tme, sizeof(tme)); |
| 753 | tme.cbSize = sizeof(tme); |
| 754 | tme.dwFlags = TME_LEAVE; |
| 755 | tme.hwndTrack = hwnd; |
| 756 | |
| 757 | /* Call the tracking function */ |
| 758 | if (!TrackMouseEvent(&tme)) |
| 759 | ErrorF("winWindowProc - TrackMouseEvent failed\n"); |
| 760 | |
| 761 | /* Flag that we are tracking now */ |
| 762 | s_fTracking = TRUE; |
| 763 | } |
| 764 | |
| 765 | /* Hide or show the Windows mouse cursor */ |
| 766 | if (g_fSoftwareCursor && g_fCursor && |
| 767 | (s_pScreenPriv->fActive || s_pScreenInfo->fLessPointer)) { |
| 768 | /* Hide Windows cursor */ |
| 769 | g_fCursor = FALSE; |
| 770 | ShowCursor(FALSE); |
| 771 | } |
| 772 | else if (g_fSoftwareCursor && !g_fCursor && !s_pScreenPriv->fActive |
| 773 | && !s_pScreenInfo->fLessPointer) { |
| 774 | /* Show Windows cursor */ |
| 775 | g_fCursor = TRUE; |
| 776 | ShowCursor(TRUE); |
| 777 | } |
| 778 | |
| 779 | /* Deliver absolute cursor position to X Server */ |
| 780 | winEnqueueMotion(GET_X_LPARAM(lParam) - s_pScreenInfo->dwXOffset, |
| 781 | GET_Y_LPARAM(lParam) - s_pScreenInfo->dwYOffset); |
| 782 | return 0; |
| 783 | |
| 784 | case WM_NCMOUSEMOVE: |
| 785 | /* |
| 786 | * We break instead of returning 0 since we need to call |
| 787 | * DefWindowProc to get the mouse cursor changes |
| 788 | * and min/max/close button highlighting in Windows XP. |
| 789 | * The Platform SDK says that you should return 0 if you |
| 790 | * process this message, but it fails to mention that you |
| 791 | * will give up any default functionality if you do return 0. |
| 792 | */ |
| 793 | |
| 794 | /* We can't do anything without privates */ |
| 795 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 796 | break; |
| 797 | |
| 798 | /* Non-client mouse movement, show Windows cursor */ |
| 799 | if (g_fSoftwareCursor && !g_fCursor) { |
| 800 | g_fCursor = TRUE; |
| 801 | ShowCursor(TRUE); |
| 802 | } |
| 803 | break; |
| 804 | |
| 805 | case WM_MOUSELEAVE: |
| 806 | /* Mouse has left our client area */ |
| 807 | |
| 808 | /* Flag that we are no longer tracking */ |
| 809 | s_fTracking = FALSE; |
| 810 | |
| 811 | /* Show the mouse cursor, if necessary */ |
| 812 | if (g_fSoftwareCursor && !g_fCursor) { |
| 813 | g_fCursor = TRUE; |
| 814 | ShowCursor(TRUE); |
| 815 | } |
| 816 | return 0; |
| 817 | |
| 818 | case WM_LBUTTONDBLCLK: |
| 819 | case WM_LBUTTONDOWN: |
| 820 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 821 | break; |
| 822 | if (s_pScreenInfo->fRootless |
| 823 | #ifdef XWIN_MULTIWINDOWEXTWM |
| 824 | || s_pScreenInfo->fMWExtWM |
| 825 | #endif |
| 826 | ) |
| 827 | SetCapture(hwnd); |
| 828 | return winMouseButtonsHandle(s_pScreen, ButtonPress, Button1, wParam); |
| 829 | |
| 830 | case WM_LBUTTONUP: |
| 831 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 832 | break; |
| 833 | if (s_pScreenInfo->fRootless |
| 834 | #ifdef XWIN_MULTIWINDOWEXTWM |
| 835 | || s_pScreenInfo->fMWExtWM |
| 836 | #endif |
| 837 | ) |
| 838 | ReleaseCapture(); |
| 839 | return winMouseButtonsHandle(s_pScreen, ButtonRelease, Button1, wParam); |
| 840 | |
| 841 | case WM_MBUTTONDBLCLK: |
| 842 | case WM_MBUTTONDOWN: |
| 843 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 844 | break; |
| 845 | if (s_pScreenInfo->fRootless |
| 846 | #ifdef XWIN_MULTIWINDOWEXTWM |
| 847 | || s_pScreenInfo->fMWExtWM |
| 848 | #endif |
| 849 | ) |
| 850 | SetCapture(hwnd); |
| 851 | return winMouseButtonsHandle(s_pScreen, ButtonPress, Button2, wParam); |
| 852 | |
| 853 | case WM_MBUTTONUP: |
| 854 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 855 | break; |
| 856 | if (s_pScreenInfo->fRootless |
| 857 | #ifdef XWIN_MULTIWINDOWEXTWM |
| 858 | || s_pScreenInfo->fMWExtWM |
| 859 | #endif |
| 860 | ) |
| 861 | ReleaseCapture(); |
| 862 | return winMouseButtonsHandle(s_pScreen, ButtonRelease, Button2, wParam); |
| 863 | |
| 864 | case WM_RBUTTONDBLCLK: |
| 865 | case WM_RBUTTONDOWN: |
| 866 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 867 | break; |
| 868 | if (s_pScreenInfo->fRootless |
| 869 | #ifdef XWIN_MULTIWINDOWEXTWM |
| 870 | || s_pScreenInfo->fMWExtWM |
| 871 | #endif |
| 872 | ) |
| 873 | SetCapture(hwnd); |
| 874 | return winMouseButtonsHandle(s_pScreen, ButtonPress, Button3, wParam); |
| 875 | |
| 876 | case WM_RBUTTONUP: |
| 877 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 878 | break; |
| 879 | if (s_pScreenInfo->fRootless |
| 880 | #ifdef XWIN_MULTIWINDOWEXTWM |
| 881 | || s_pScreenInfo->fMWExtWM |
| 882 | #endif |
| 883 | ) |
| 884 | ReleaseCapture(); |
| 885 | return winMouseButtonsHandle(s_pScreen, ButtonRelease, Button3, wParam); |
| 886 | |
| 887 | case WM_XBUTTONDBLCLK: |
| 888 | case WM_XBUTTONDOWN: |
| 889 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 890 | break; |
| 891 | if (s_pScreenInfo->fRootless |
| 892 | #ifdef XWIN_MULTIWINDOWEXTWM |
| 893 | || s_pScreenInfo->fMWExtWM |
| 894 | #endif |
| 895 | ) |
| 896 | SetCapture(hwnd); |
| 897 | return winMouseButtonsHandle(s_pScreen, ButtonPress, HIWORD(wParam) + 7, |
| 898 | wParam); |
| 899 | case WM_XBUTTONUP: |
| 900 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 901 | break; |
| 902 | if (s_pScreenInfo->fRootless |
| 903 | #ifdef XWIN_MULTIWINDOWEXTWM |
| 904 | || s_pScreenInfo->fMWExtWM |
| 905 | #endif |
| 906 | ) |
| 907 | ReleaseCapture(); |
| 908 | return winMouseButtonsHandle(s_pScreen, ButtonRelease, |
| 909 | HIWORD(wParam) + 7, wParam); |
| 910 | |
| 911 | case WM_TIMER: |
| 912 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 913 | break; |
| 914 | |
| 915 | /* Branch on the timer id */ |
| 916 | switch (wParam) { |
| 917 | case WIN_E3B_TIMER_ID: |
| 918 | /* Send delayed button press */ |
| 919 | winMouseButtonsSendEvent(ButtonPress, |
| 920 | s_pScreenPriv->iE3BCachedPress); |
| 921 | |
| 922 | /* Kill this timer */ |
| 923 | KillTimer(s_pScreenPriv->hwndScreen, WIN_E3B_TIMER_ID); |
| 924 | |
| 925 | /* Clear screen privates flags */ |
| 926 | s_pScreenPriv->iE3BCachedPress = 0; |
| 927 | break; |
| 928 | |
| 929 | case WIN_POLLING_MOUSE_TIMER_ID: |
| 930 | { |
| 931 | static POINT last_point; |
| 932 | POINT point; |
| 933 | WPARAM wL, wM, wR, wShift, wCtrl; |
| 934 | LPARAM lPos; |
| 935 | |
| 936 | /* Get the current position of the mouse cursor */ |
| 937 | GetCursorPos(&point); |
| 938 | |
| 939 | /* Map from screen (-X, -Y) to root (0, 0) */ |
| 940 | point.x -= GetSystemMetrics(SM_XVIRTUALSCREEN); |
| 941 | point.y -= GetSystemMetrics(SM_YVIRTUALSCREEN); |
| 942 | |
| 943 | /* If the mouse pointer has moved, deliver absolute cursor position to X Server */ |
| 944 | if (last_point.x != point.x || last_point.y != point.y) { |
| 945 | winEnqueueMotion(point.x, point.y); |
| 946 | last_point.x = point.x; |
| 947 | last_point.y = point.y; |
| 948 | } |
| 949 | |
| 950 | /* Check if a button was released but we didn't see it */ |
| 951 | GetCursorPos(&point); |
| 952 | wL = (GetKeyState(VK_LBUTTON) & 0x8000) ? MK_LBUTTON : 0; |
| 953 | wM = (GetKeyState(VK_MBUTTON) & 0x8000) ? MK_MBUTTON : 0; |
| 954 | wR = (GetKeyState(VK_RBUTTON) & 0x8000) ? MK_RBUTTON : 0; |
| 955 | wShift = (GetKeyState(VK_SHIFT) & 0x8000) ? MK_SHIFT : 0; |
| 956 | wCtrl = (GetKeyState(VK_CONTROL) & 0x8000) ? MK_CONTROL : 0; |
| 957 | lPos = MAKELPARAM(point.x, point.y); |
| 958 | if (g_fButton[0] & !wL) |
| 959 | PostMessage(hwnd, WM_LBUTTONUP, wCtrl | wM | wR | wShift, lPos); |
| 960 | if (g_fButton[1] & !wM) |
| 961 | PostMessage(hwnd, WM_MBUTTONUP, wCtrl | wL | wR | wShift, lPos); |
| 962 | if (g_fButton[2] & !wR) |
| 963 | PostMessage(hwnd, WM_RBUTTONUP, wCtrl | wL | wM | wShift, lPos); |
| 964 | } |
| 965 | } |
| 966 | return 0; |
| 967 | |
| 968 | case WM_CTLCOLORSCROLLBAR: |
| 969 | FatalError("winWindowProc - WM_CTLCOLORSCROLLBAR - We are not " |
| 970 | "supposed to get this message. Exiting.\n"); |
| 971 | return 0; |
| 972 | |
| 973 | case WM_MOUSEWHEEL: |
| 974 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 975 | break; |
| 976 | #if CYGDEBUG |
| 977 | winDebug("winWindowProc - WM_MOUSEWHEEL\n"); |
| 978 | #endif |
| 979 | /* Button4 = WheelUp */ |
| 980 | /* Button5 = WheelDown */ |
| 981 | winMouseWheel(&(s_pScreenPriv->iDeltaZ), GET_WHEEL_DELTA_WPARAM(wParam), Button4, Button5); |
| 982 | break; |
| 983 | |
| 984 | case WM_MOUSEHWHEEL: |
| 985 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 986 | break; |
| 987 | #if CYGDEBUG |
| 988 | winDebug("winWindowProc - WM_MOUSEHWHEEL\n"); |
| 989 | #endif |
| 990 | /* Button7 = TiltRight */ |
| 991 | /* Button6 = TiltLeft */ |
| 992 | winMouseWheel(&(s_pScreenPriv->iDeltaV), GET_WHEEL_DELTA_WPARAM(wParam), 7, 6); |
| 993 | break; |
| 994 | |
| 995 | case WM_SETFOCUS: |
| 996 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 997 | break; |
| 998 | |
| 999 | /* Restore the state of all mode keys */ |
| 1000 | winRestoreModeKeyStates(); |
| 1001 | |
| 1002 | /* Add the keyboard hook if possible */ |
| 1003 | if (g_fKeyboardHookLL) |
| 1004 | g_fKeyboardHookLL = winInstallKeyboardHookLL(); |
| 1005 | return 0; |
| 1006 | |
| 1007 | case WM_KILLFOCUS: |
| 1008 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 1009 | break; |
| 1010 | |
| 1011 | /* Release any pressed keys */ |
| 1012 | winKeybdReleaseKeys(); |
| 1013 | |
| 1014 | /* Remove our keyboard hook if it is installed */ |
| 1015 | winRemoveKeyboardHookLL(); |
| 1016 | return 0; |
| 1017 | |
| 1018 | case WM_SYSKEYDOWN: |
| 1019 | case WM_KEYDOWN: |
| 1020 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 1021 | break; |
| 1022 | |
| 1023 | /* |
| 1024 | * FIXME: Catching Alt-F4 like this is really terrible. This should |
| 1025 | * be generalized to handle other Windows keyboard signals. Actually, |
| 1026 | * the list keys to catch and the actions to perform when caught should |
| 1027 | * be configurable; that way user's can customize the keys that they |
| 1028 | * need to have passed through to their window manager or apps, or they |
| 1029 | * can remap certain actions to new key codes that do not conflict |
| 1030 | * with the X apps that they are using. Yeah, that'll take awhile. |
| 1031 | */ |
| 1032 | if ((s_pScreenInfo->fUseWinKillKey && wParam == VK_F4 |
| 1033 | && (GetKeyState(VK_MENU) & 0x8000)) |
| 1034 | || (s_pScreenInfo->fUseUnixKillKey && wParam == VK_BACK |
| 1035 | && (GetKeyState(VK_MENU) & 0x8000) |
| 1036 | && (GetKeyState(VK_CONTROL) & 0x8000))) { |
| 1037 | /* |
| 1038 | * Better leave this message here, just in case some unsuspecting |
| 1039 | * user enters Alt + F4 and is surprised when the application |
| 1040 | * quits. |
| 1041 | */ |
| 1042 | ErrorF("winWindowProc - WM_*KEYDOWN - Closekey hit, quitting\n"); |
| 1043 | |
| 1044 | /* Display Exit dialog */ |
| 1045 | winDisplayExitDialog(s_pScreenPriv); |
| 1046 | return 0; |
| 1047 | } |
| 1048 | |
| 1049 | /* |
| 1050 | * Don't do anything for the Windows keys, as focus will soon |
| 1051 | * be returned to Windows. We may be able to trap the Windows keys, |
| 1052 | * but we should determine if that is desirable before doing so. |
| 1053 | */ |
| 1054 | if ((wParam == VK_LWIN || wParam == VK_RWIN) && !g_fKeyboardHookLL) |
| 1055 | break; |
| 1056 | |
| 1057 | /* Discard fake Ctrl_L events that precede AltGR on non-US keyboards */ |
| 1058 | if (winIsFakeCtrl_L(message, wParam, lParam)) |
| 1059 | return 0; |
| 1060 | |
| 1061 | /* |
| 1062 | * Discard presses generated from Windows auto-repeat |
| 1063 | */ |
| 1064 | if (lParam & (1 << 30)) { |
| 1065 | switch (wParam) { |
| 1066 | /* ago: Pressing LControl while RControl is pressed is |
| 1067 | * Indicated as repeat. Fix this! |
| 1068 | */ |
| 1069 | case VK_CONTROL: |
| 1070 | case VK_SHIFT: |
| 1071 | if (winCheckKeyPressed(wParam, lParam)) |
| 1072 | return 0; |
| 1073 | break; |
| 1074 | default: |
| 1075 | return 0; |
| 1076 | } |
| 1077 | } |
| 1078 | |
| 1079 | /* Translate Windows key code to X scan code */ |
| 1080 | iScanCode = winTranslateKey(wParam, lParam); |
| 1081 | |
| 1082 | /* Ignore repeats for CapsLock */ |
| 1083 | if (wParam == VK_CAPITAL) |
| 1084 | lParam = 1; |
| 1085 | |
| 1086 | /* Send the key event(s) */ |
| 1087 | for (i = 0; i < LOWORD(lParam); ++i) |
| 1088 | winSendKeyEvent(iScanCode, TRUE); |
| 1089 | return 0; |
| 1090 | |
| 1091 | case WM_SYSKEYUP: |
| 1092 | case WM_KEYUP: |
| 1093 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 1094 | break; |
| 1095 | |
| 1096 | /* |
| 1097 | * Don't do anything for the Windows keys, as focus will soon |
| 1098 | * be returned to Windows. We may be able to trap the Windows keys, |
| 1099 | * but we should determine if that is desirable before doing so. |
| 1100 | */ |
| 1101 | if ((wParam == VK_LWIN || wParam == VK_RWIN) && !g_fKeyboardHookLL) |
| 1102 | break; |
| 1103 | |
| 1104 | /* Ignore the fake Ctrl_L that follows an AltGr release */ |
| 1105 | if (winIsFakeCtrl_L(message, wParam, lParam)) |
| 1106 | return 0; |
| 1107 | |
| 1108 | /* Enqueue a keyup event */ |
| 1109 | iScanCode = winTranslateKey(wParam, lParam); |
| 1110 | winSendKeyEvent(iScanCode, FALSE); |
| 1111 | |
| 1112 | /* Release all pressed shift keys */ |
| 1113 | if (wParam == VK_SHIFT) |
| 1114 | winFixShiftKeys(iScanCode); |
| 1115 | return 0; |
| 1116 | |
| 1117 | case WM_HOTKEY: |
| 1118 | if (s_pScreenPriv == NULL) |
| 1119 | break; |
| 1120 | |
| 1121 | /* Call the engine-specific hot key handler */ |
| 1122 | (*s_pScreenPriv->pwinHotKeyAltTab) (s_pScreen); |
| 1123 | return 0; |
| 1124 | |
| 1125 | case WM_ACTIVATE: |
| 1126 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 1127 | break; |
| 1128 | |
| 1129 | /* TODO: Override display of window when we have a bad depth */ |
| 1130 | if (LOWORD(wParam) != WA_INACTIVE && s_pScreenPriv->fBadDepth) { |
| 1131 | ErrorF("winWindowProc - WM_ACTIVATE - Bad depth, trying " |
| 1132 | "to override window activation\n"); |
| 1133 | |
| 1134 | /* Minimize the window */ |
| 1135 | ShowWindow(hwnd, SW_MINIMIZE); |
| 1136 | |
| 1137 | /* Display dialog box */ |
| 1138 | if (g_hDlgDepthChange != NULL) { |
| 1139 | /* Make the existing dialog box active */ |
| 1140 | SetActiveWindow(g_hDlgDepthChange); |
| 1141 | } |
| 1142 | else { |
| 1143 | /* TODO: Recreate the dialog box and bring to the top */ |
| 1144 | ShowWindow(g_hDlgDepthChange, SW_SHOWDEFAULT); |
| 1145 | } |
| 1146 | |
| 1147 | /* Don't do any other processing of this message */ |
| 1148 | return 0; |
| 1149 | } |
| 1150 | |
| 1151 | #if CYGDEBUG |
| 1152 | winDebug("winWindowProc - WM_ACTIVATE\n"); |
| 1153 | #endif |
| 1154 | |
| 1155 | /* |
| 1156 | * Focus is being changed to another window. |
| 1157 | * The other window may or may not belong to |
| 1158 | * our process. |
| 1159 | */ |
| 1160 | |
| 1161 | /* Clear any lingering wheel delta */ |
| 1162 | s_pScreenPriv->iDeltaZ = 0; |
| 1163 | s_pScreenPriv->iDeltaV = 0; |
| 1164 | |
| 1165 | /* Reshow the Windows mouse cursor if we are being deactivated */ |
| 1166 | if (g_fSoftwareCursor && LOWORD(wParam) == WA_INACTIVE && !g_fCursor) { |
| 1167 | /* Show Windows cursor */ |
| 1168 | g_fCursor = TRUE; |
| 1169 | ShowCursor(TRUE); |
| 1170 | } |
| 1171 | return 0; |
| 1172 | |
| 1173 | case WM_ACTIVATEAPP: |
| 1174 | if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput) |
| 1175 | break; |
| 1176 | |
| 1177 | #if CYGDEBUG || TRUE |
| 1178 | winDebug("winWindowProc - WM_ACTIVATEAPP\n"); |
| 1179 | #endif |
| 1180 | |
| 1181 | /* Activate or deactivate */ |
| 1182 | s_pScreenPriv->fActive = wParam; |
| 1183 | |
| 1184 | /* Reshow the Windows mouse cursor if we are being deactivated */ |
| 1185 | if (g_fSoftwareCursor && !s_pScreenPriv->fActive && !g_fCursor) { |
| 1186 | /* Show Windows cursor */ |
| 1187 | g_fCursor = TRUE; |
| 1188 | ShowCursor(TRUE); |
| 1189 | } |
| 1190 | |
| 1191 | #ifdef XWIN_CLIPBOARD |
| 1192 | /* Make sure the clipboard chain is ok. */ |
| 1193 | winFixClipboardChain(); |
| 1194 | #endif |
| 1195 | |
| 1196 | /* Call engine specific screen activation/deactivation function */ |
| 1197 | (*s_pScreenPriv->pwinActivateApp) (s_pScreen); |
| 1198 | |
| 1199 | #ifdef XWIN_MULTIWINDOWEXTWM |
| 1200 | if (s_pScreenPriv->fActive) { |
| 1201 | /* Restack all window unless using built-in wm. */ |
| 1202 | if (s_pScreenInfo->fInternalWM && s_pScreenInfo->fAnotherWMRunning) |
| 1203 | winMWExtWMRestackWindows(s_pScreen); |
| 1204 | } |
| 1205 | #endif |
| 1206 | |
| 1207 | return 0; |
| 1208 | |
| 1209 | case WM_COMMAND: |
| 1210 | switch (LOWORD(wParam)) { |
| 1211 | case ID_APP_EXIT: |
| 1212 | /* Display Exit dialog */ |
| 1213 | winDisplayExitDialog(s_pScreenPriv); |
| 1214 | return 0; |
| 1215 | |
| 1216 | #ifdef XWIN_MULTIWINDOW |
| 1217 | case ID_APP_HIDE_ROOT: |
| 1218 | if (s_pScreenPriv->fRootWindowShown) |
| 1219 | ShowWindow(s_pScreenPriv->hwndScreen, SW_HIDE); |
| 1220 | else |
| 1221 | ShowWindow(s_pScreenPriv->hwndScreen, SW_SHOW); |
| 1222 | s_pScreenPriv->fRootWindowShown = !s_pScreenPriv->fRootWindowShown; |
| 1223 | return 0; |
| 1224 | #endif |
| 1225 | |
| 1226 | case ID_APP_ABOUT: |
| 1227 | /* Display the About box */ |
| 1228 | winDisplayAboutDialog(s_pScreenPriv); |
| 1229 | return 0; |
| 1230 | |
| 1231 | default: |
| 1232 | /* It's probably one of the custom menus... */ |
| 1233 | if (HandleCustomWM_COMMAND(0, LOWORD(wParam))) |
| 1234 | return 0; |
| 1235 | } |
| 1236 | break; |
| 1237 | |
| 1238 | case WM_GIVEUP: |
| 1239 | /* Tell X that we are giving up */ |
| 1240 | #ifdef XWIN_MULTIWINDOW |
| 1241 | if (s_pScreenInfo->fMultiWindow) |
| 1242 | winDeinitMultiWindowWM(); |
| 1243 | #endif |
| 1244 | GiveUp(0); |
| 1245 | return 0; |
| 1246 | |
| 1247 | case WM_CLOSE: |
| 1248 | /* Display Exit dialog */ |
| 1249 | winDisplayExitDialog(s_pScreenPriv); |
| 1250 | return 0; |
| 1251 | |
| 1252 | case WM_SETCURSOR: |
| 1253 | if (LOWORD(lParam) == HTCLIENT) { |
| 1254 | if (!g_fSoftwareCursor) |
| 1255 | SetCursor(s_pScreenPriv->cursor.handle); |
| 1256 | return TRUE; |
| 1257 | } |
| 1258 | break; |
| 1259 | |
| 1260 | #ifdef XWIN_MULTIWINDOWEXTWM |
| 1261 | case WM_MANAGE: |
| 1262 | ErrorF("winWindowProc - WM_MANAGE\n"); |
| 1263 | s_pScreenInfo->fAnotherWMRunning = FALSE; |
| 1264 | |
| 1265 | if (s_pScreenInfo->fInternalWM) { |
| 1266 | EnumThreadWindows(g_dwCurrentThreadID, winMWExtWMDecorateWindow, 0); |
| 1267 | //RootlessRepositionWindows (s_pScreen); |
| 1268 | } |
| 1269 | break; |
| 1270 | |
| 1271 | case WM_UNMANAGE: |
| 1272 | ErrorF("winWindowProc - WM_UNMANAGE\n"); |
| 1273 | s_pScreenInfo->fAnotherWMRunning = TRUE; |
| 1274 | |
| 1275 | if (s_pScreenInfo->fInternalWM) { |
| 1276 | EnumThreadWindows(g_dwCurrentThreadID, winMWExtWMDecorateWindow, 0); |
| 1277 | winMWExtWMRestackWindows(s_pScreen); |
| 1278 | } |
| 1279 | break; |
| 1280 | #endif |
| 1281 | |
| 1282 | default: |
| 1283 | if (message == s_uTaskbarRestart) { |
| 1284 | winInitNotifyIcon(s_pScreenPriv); |
| 1285 | } |
| 1286 | break; |
| 1287 | } |
| 1288 | |
| 1289 | return DefWindowProc(hwnd, message, wParam, lParam); |
| 1290 | } |