summaryrefslogtreecommitdiff
path: root/hw/xwin/wincreatewnd.c
blob: daa6daac9f372fff4237a980644d04a4faf3aab3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
/*
 *Copyright (C) 2001-2004 Harold L Hunt II All Rights Reserved.
 *
 *Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 *"Software"), to deal in the Software without restriction, including
 *without limitation the rights to use, copy, modify, merge, publish,
 *distribute, sublicense, and/or sell copies of the Software, and to
 *permit persons to whom the Software is furnished to do so, subject to
 *the following conditions:
 *
 *The above copyright notice and this permission notice shall be
 *included in all copies or substantial portions of the Software.
 *
 *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR
 *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 *Except as contained in this notice, the name of Harold L Hunt II
 *shall not be used in advertising or otherwise to promote the sale, use
 *or other dealings in this Software without prior written authorization
 *from Harold L Hunt II.
 *
 * Authors:	Harold L Hunt II
 */

#ifdef HAVE_XWIN_CONFIG_H
#include <xwin-config.h>
#endif
#include "win.h"
#include "shellapi.h"

/*
 * Local function prototypes
 */

static Bool
 winGetWorkArea(RECT * prcWorkArea, winScreenInfo * pScreenInfo);

static Bool
 winAdjustForAutoHide(RECT * prcWorkArea, winScreenInfo * pScreenInfo);

/*
 * Create a full screen window
 */

Bool
winCreateBoundingWindowFullScreen(ScreenPtr pScreen)
{
    winScreenPriv(pScreen);
    winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
    int iX = pScreenInfo->dwInitialX;
    int iY = pScreenInfo->dwInitialY;
    int iWidth = pScreenInfo->dwWidth;
    int iHeight = pScreenInfo->dwHeight;
    HWND *phwnd = &pScreenPriv->hwndScreen;
    WNDCLASSEX wc;
    char szTitle[256];

#if CYGDEBUG
    winDebug("winCreateBoundingWindowFullScreen\n");
#endif

    /* Setup our window class */
    wc.cbSize = sizeof(WNDCLASSEX);
    wc.style = CS_HREDRAW | CS_VREDRAW;
    wc.lpfnWndProc = winWindowProc;
    wc.cbClsExtra = 0;
    wc.cbWndExtra = 0;
    wc.hInstance = g_hInstance;
    wc.hIcon =
        (HICON) LoadImage(g_hInstance, MAKEINTRESOURCE(IDI_XWIN), IMAGE_ICON,
                          GetSystemMetrics(SM_CXICON),
                          GetSystemMetrics(SM_CYICON), 0);
    wc.hCursor = 0;
    wc.hbrBackground = 0;
    wc.lpszMenuName = NULL;
    wc.lpszClassName = WINDOW_CLASS;
    wc.hIconSm =
        (HICON) LoadImage(g_hInstance, MAKEINTRESOURCE(IDI_XWIN), IMAGE_ICON,
                          GetSystemMetrics(SM_CXSMICON),
                          GetSystemMetrics(SM_CYSMICON), LR_DEFAULTSIZE);
    RegisterClassEx(&wc);

    /* Set display and screen-specific tooltip text */
    if (g_pszQueryHost != NULL)
        snprintf(szTitle,
                 sizeof(szTitle),
                 WINDOW_TITLE_XDMCP,
                 g_pszQueryHost, display, (int) pScreenInfo->dwScreen);
    else
        snprintf(szTitle,
                 sizeof(szTitle),
                 WINDOW_TITLE, display, (int) pScreenInfo->dwScreen);

    /* Create the window */
    *phwnd = CreateWindowExA(0, /* Extended styles */
                             WINDOW_CLASS,      /* Class name */
                             szTitle,   /* Window name */
                             WS_POPUP, iX,      /* Horizontal position */
                             iY,        /* Vertical position */
                             iWidth,    /* Right edge */
                             iHeight,   /* Bottom edge */
                             (HWND) NULL,       /* No parent or owner window */
                             (HMENU) NULL,      /* No menu */
                             GetModuleHandle(NULL),     /* Instance handle */
                             pScreenPriv);      /* ScreenPrivates */

    /* Hide the window */
    ShowWindow(*phwnd, SW_SHOWNORMAL);

    /* Send first paint message */
    UpdateWindow(*phwnd);

    /* Attempt to bring our window to the top of the display */
    BringWindowToTop(*phwnd);

    return TRUE;
}

/*
 * Create our primary Windows display window
 */

Bool
winCreateBoundingWindowWindowed(ScreenPtr pScreen)
{
    winScreenPriv(pScreen);
    winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
    int iWidth = pScreenInfo->dwUserWidth;
    int iHeight = pScreenInfo->dwUserHeight;
    int iPosX;
    int iPosY;
    HWND *phwnd = &pScreenPriv->hwndScreen;
    WNDCLASSEX wc;
    RECT rcClient, rcWorkArea;
    DWORD dwWindowStyle;
    BOOL fForceShowWindow = FALSE;
    char szTitle[256];

    winDebug("winCreateBoundingWindowWindowed - User w: %d h: %d\n",
             (int) pScreenInfo->dwUserWidth, (int) pScreenInfo->dwUserHeight);
    winDebug("winCreateBoundingWindowWindowed - Current w: %d h: %d\n",
             (int) pScreenInfo->dwWidth, (int) pScreenInfo->dwHeight);

    /* Set the common window style flags */
    dwWindowStyle = WS_OVERLAPPED | WS_SYSMENU | WS_MINIMIZEBOX;

    /* Decorated or undecorated window */
    if (pScreenInfo->fDecoration
#ifdef XWIN_MULTIWINDOWEXTWM
        && !pScreenInfo->fMWExtWM
#endif
        && !pScreenInfo->fRootless
        && !pScreenInfo->fMultiWindow
        ) {
        /* Try to handle startup via run.exe. run.exe instructs Windows to
         * hide all created windows. Detect this case and make sure the
         * window is shown nevertheless */
        STARTUPINFO startupInfo;

        GetStartupInfo(&startupInfo);
        if (startupInfo.dwFlags & STARTF_USESHOWWINDOW &&
            startupInfo.wShowWindow == SW_HIDE) {
            fForceShowWindow = TRUE;
        }
        dwWindowStyle |= WS_CAPTION;
        if (pScreenInfo->iResizeMode != resizeNotAllowed)
            dwWindowStyle |= WS_THICKFRAME | WS_MAXIMIZEBOX;
    }
    else
        dwWindowStyle |= WS_POPUP;

    /* Setup our window class */
    wc.cbSize = sizeof(WNDCLASSEX);
    wc.style = CS_HREDRAW | CS_VREDRAW;
    wc.lpfnWndProc = winWindowProc;
    wc.cbClsExtra = 0;
    wc.cbWndExtra = 0;
    wc.hInstance = g_hInstance;
    wc.hIcon =
        (HICON) LoadImage(g_hInstance, MAKEINTRESOURCE(IDI_XWIN), IMAGE_ICON,
                          GetSystemMetrics(SM_CXICON),
                          GetSystemMetrics(SM_CYICON), 0);
    wc.hCursor = 0;
    wc.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
    wc.lpszMenuName = NULL;
    wc.lpszClassName = WINDOW_CLASS;
    wc.hIconSm =
        (HICON) LoadImage(g_hInstance, MAKEINTRESOURCE(IDI_XWIN), IMAGE_ICON,
                          GetSystemMetrics(SM_CXSMICON),
                          GetSystemMetrics(SM_CYSMICON), LR_DEFAULTSIZE);
    RegisterClassEx(&wc);

    /* Get size of work area */
    winGetWorkArea(&rcWorkArea, pScreenInfo);

    /* Adjust for auto-hide taskbars */
    winAdjustForAutoHide(&rcWorkArea, pScreenInfo);

    /* Did the user specify a position? */
    if (pScreenInfo->fUserGavePosition) {
        iPosX = pScreenInfo->dwInitialX;
        iPosY = pScreenInfo->dwInitialY;
    }
    else {
        iPosX = rcWorkArea.left;
        iPosY = rcWorkArea.top;
    }

    /* Clean up the scrollbars flag, if necessary */
    if ((!pScreenInfo->fDecoration
#ifdef XWIN_MULTIWINDOWEXTWM
         || pScreenInfo->fMWExtWM
#endif
         || pScreenInfo->fRootless
         || pScreenInfo->fMultiWindow
        )
        && (pScreenInfo->iResizeMode == resizeWithScrollbars)) {
        /* We cannot have scrollbars if we do not have a window border */
        pScreenInfo->iResizeMode = resizeNotAllowed;
    }

    /* Did the user specify a height and width? */
    if (pScreenInfo->fUserGaveHeightAndWidth) {
        /* User gave a desired height and width, try to accomodate */
#if CYGDEBUG
        winDebug("winCreateBoundingWindowWindowed - User gave height "
                 "and width\n");
#endif

        /* Adjust the window width and height for borders and title bar */
        if (pScreenInfo->fDecoration
#ifdef XWIN_MULTIWINDOWEXTWM
            && !pScreenInfo->fMWExtWM
#endif
            && !pScreenInfo->fRootless
            && !pScreenInfo->fMultiWindow
            ) {
#if CYGDEBUG
            winDebug
                ("winCreateBoundingWindowWindowed - Window has decoration\n");
#endif

            /* Are we resizable */
            if (pScreenInfo->iResizeMode != resizeNotAllowed) {
#if CYGDEBUG
                winDebug
                    ("winCreateBoundingWindowWindowed - Window is resizable\n");
#endif

                iWidth += 2 * GetSystemMetrics(SM_CXSIZEFRAME);
                iHeight += 2 * GetSystemMetrics(SM_CYSIZEFRAME)
                    + GetSystemMetrics(SM_CYCAPTION);
            }
            else {
#if CYGDEBUG
                winDebug
                    ("winCreateBoundingWindowWindowed - Window is not resizable\n");
#endif

                iWidth += 2 * GetSystemMetrics(SM_CXFIXEDFRAME);
                iHeight += 2 * GetSystemMetrics(SM_CYFIXEDFRAME)
                    + GetSystemMetrics(SM_CYCAPTION);
            }
        }
    }
    else {
        /* By default, we are creating a window that is as large as possible */
#if CYGDEBUG
        winDebug("winCreateBoundingWindowWindowed - User did not give "
                 "height and width\n");
#endif
        /* Defaults are wrong if we have multiple monitors */
        if (pScreenInfo->fMultipleMonitors) {
            iWidth = GetSystemMetrics(SM_CXVIRTUALSCREEN);
            iHeight = GetSystemMetrics(SM_CYVIRTUALSCREEN);
        }
    }

    /* Make sure window is no bigger than work area */
    if (TRUE
#ifdef XWIN_MULTIWINDOWEXTWM
        && !pScreenInfo->fMWExtWM
#endif
        && !pScreenInfo->fMultiWindow
        ) {
        /* Trim window width to fit work area */
        if (iWidth > (rcWorkArea.right - rcWorkArea.left))
            iWidth = rcWorkArea.right - rcWorkArea.left;

        /* Trim window height to fit work area */
        if (iHeight >= (rcWorkArea.bottom - rcWorkArea.top))
            iHeight = rcWorkArea.bottom - rcWorkArea.top;

#if CYGDEBUG
        winDebug("winCreateBoundingWindowWindowed - Adjusted width: %d "
                 "height: %d\n", iWidth, iHeight);
#endif
    }

    /* Set display and screen-specific tooltip text */
    if (g_pszQueryHost != NULL)
        snprintf(szTitle,
                 sizeof(szTitle),
                 WINDOW_TITLE_XDMCP,
                 g_pszQueryHost, display, (int) pScreenInfo->dwScreen);
    else
        snprintf(szTitle,
                 sizeof(szTitle),
                 WINDOW_TITLE, display, (int) pScreenInfo->dwScreen);

    /* Create the window */
    *phwnd = CreateWindowExA(0, /* Extended styles */
                             WINDOW_CLASS,      /* Class name */
                             szTitle,   /* Window name */
                             dwWindowStyle, iPosX,      /* Horizontal position */
                             iPosY,     /* Vertical position */
                             iWidth,    /* Right edge */
                             iHeight,   /* Bottom edge */
                             (HWND) NULL,       /* No parent or owner window */
                             (HMENU) NULL,      /* No menu */
                             GetModuleHandle(NULL),     /* Instance handle */
                             pScreenPriv);      /* ScreenPrivates */
    if (*phwnd == NULL) {
        ErrorF("winCreateBoundingWindowWindowed - CreateWindowEx () failed\n");
        return FALSE;
    }

#if CYGDEBUG
    winDebug("winCreateBoundingWindowWindowed - CreateWindowEx () returned\n");
#endif

    if (fForceShowWindow) {
        ErrorF
            ("winCreateBoundingWindowWindowed - Setting normal windowstyle\n");
        ShowWindow(*phwnd, SW_SHOW);
    }

    /* Get the client area coordinates */
    if (!GetClientRect(*phwnd, &rcClient)) {
        ErrorF("winCreateBoundingWindowWindowed - GetClientRect () "
               "failed\n");
        return FALSE;
    }

    winDebug("winCreateBoundingWindowWindowed - WindowClient "
             "w %d  h %d r %d l %d b %d t %d\n",
             (int)(rcClient.right - rcClient.left),
             (int)(rcClient.bottom - rcClient.top),
             (int)rcClient.right, (int)rcClient.left,
             (int)rcClient.bottom, (int)rcClient.top);

    /* We adjust the visual size if the user did not specify it */
    if (!
        ((pScreenInfo->iResizeMode == resizeWithScrollbars) &&
         pScreenInfo->fUserGaveHeightAndWidth)) {
        /*
         * User did not give a height and width with scrollbars enabled,
         * so we will resize the underlying visual to be as large as
         * the initial view port (page size).  This way scrollbars will
         * not appear until the user shrinks the window, if they ever do.
         *
         * NOTE: We have to store the viewport size here because
         * the user may have an autohide taskbar, which would
         * cause the viewport size to be one less in one dimension
         * than the viewport size that we calculated by subtracting
         * the size of the borders and caption.
         */
        pScreenInfo->dwWidth = rcClient.right - rcClient.left;
        pScreenInfo->dwHeight = rcClient.bottom - rcClient.top;
    }

#if 0
    /*
     * NOTE: For the uninitiated, the page size is the number of pixels
     * that we can display in the x or y direction at a time and the
     * range is the total number of pixels in the x or y direction that we
     * have available to display.  In other words, the page size is the
     * size of the window area minus the space the caption, borders, and
     * scrollbars (if any) occupy, and the range is the size of the
     * underlying X visual.  Notice that, contrary to what some of the
     * MSDN Library arcticles lead you to believe, the windows
     * ``client area'' size does not include the scrollbars.  In other words,
     * the whole client area size that is reported to you is drawable by
     * you; you do not have to subtract the size of the scrollbars from
     * the client area size, and if you did it would result in the size
     * of the scrollbars being double counted.
     */

    /* Setup scrollbar page and range, if scrollbars are enabled */
    if (pScreenInfo->fScrollbars) {
        SCROLLINFO si;

        /* Initialize the scrollbar info structure */
        si.cbSize = sizeof(si);
        si.fMask = SIF_RANGE | SIF_PAGE;
        si.nMin = 0;

        /* Setup the width range and page size */
        si.nMax = pScreenInfo->dwWidth - 1;
        si.nPage = rcClient.right - rcClient.left;
        winDebug("winCreateBoundingWindowWindowed - HORZ nMax: %d nPage :%d\n",
                 si.nMax, si.nPage);
        SetScrollInfo(*phwnd, SB_HORZ, &si, TRUE);

        /* Setup the height range and page size */
        si.nMax = pScreenInfo->dwHeight - 1;
        si.nPage = rcClient.bottom - rcClient.top;
        winDebug("winCreateBoundingWindowWindowed - VERT nMax: %d nPage :%d\n",
                 si.nMax, si.nPage);
        SetScrollInfo(*phwnd, SB_VERT, &si, TRUE);
    }
#endif

    /* Show the window */
    if (FALSE
#ifdef XWIN_MULTIWINDOWEXTWM
        || pScreenInfo->fMWExtWM
#endif
        || pScreenInfo->fMultiWindow
        ) {
        pScreenPriv->fRootWindowShown = FALSE;
        ShowWindow(*phwnd, SW_HIDE);
    }
    else
        ShowWindow(*phwnd, SW_SHOWNORMAL);
    if (!UpdateWindow(*phwnd)) {
        ErrorF("winCreateBoundingWindowWindowed - UpdateWindow () failed\n");
        return FALSE;
    }

    /* Attempt to bring our window to the top of the display */
    if (TRUE
#ifdef XWIN_MULTIWINDOWEXTWM
        && !pScreenInfo->fMWExtWM
#endif
        && !pScreenInfo->fRootless
        && !pScreenInfo->fMultiWindow
        ) {
        if (!BringWindowToTop(*phwnd)) {
            ErrorF("winCreateBoundingWindowWindowed - BringWindowToTop () "
                   "failed\n");
            return FALSE;
        }
    }

    winDebug("winCreateBoundingWindowWindowed -  Returning\n");

    return TRUE;
}

/*
 * Find the work area of all attached monitors
 */

static Bool
winGetWorkArea(RECT * prcWorkArea, winScreenInfo * pScreenInfo)
{
    int iPrimaryWidth, iPrimaryHeight;
    int iWidth, iHeight;
    int iLeft, iTop;
    int iPrimaryNonWorkAreaWidth, iPrimaryNonWorkAreaHeight;

    /* Use GetMonitorInfo to get work area for monitor */
    if (!pScreenInfo->fMultipleMonitors) {
        MONITORINFO mi;

        mi.cbSize = sizeof(MONITORINFO);
        if (GetMonitorInfo(pScreenInfo->hMonitor, &mi)) {
            *prcWorkArea = mi.rcWork;

            winDebug("winGetWorkArea - Monitor %d WorkArea: %d %d %d %d\n",
                     pScreenInfo->iMonitor,
                     (int) prcWorkArea->top, (int) prcWorkArea->left,
                     (int) prcWorkArea->bottom, (int) prcWorkArea->right);
        }
        else {
            ErrorF("winGetWorkArea - GetMonitorInfo() failed for monitor %d\n",
                   pScreenInfo->iMonitor);
        }

        /* Bail out here if we aren't using multiple monitors */
        return TRUE;
    }

    /* SPI_GETWORKAREA only gets the work area of the primary screen. */
    SystemParametersInfo(SPI_GETWORKAREA, 0, prcWorkArea, 0);

    winDebug("winGetWorkArea - Primary Monitor WorkArea: %d %d %d %d\n",
             (int) prcWorkArea->top, (int) prcWorkArea->left,
             (int) prcWorkArea->bottom, (int) prcWorkArea->right);

    /* Get size of full virtual screen */
    iWidth = GetSystemMetrics(SM_CXVIRTUALSCREEN);
    iHeight = GetSystemMetrics(SM_CYVIRTUALSCREEN);

    winDebug("winGetWorkArea - Virtual screen is %d x %d\n", iWidth, iHeight);

    /* Get origin of full virtual screen */
    iLeft = GetSystemMetrics(SM_XVIRTUALSCREEN);
    iTop = GetSystemMetrics(SM_YVIRTUALSCREEN);

    winDebug("winGetWorkArea - Virtual screen origin is %d, %d\n", iLeft, iTop);

    /* Get size of primary screen */
    iPrimaryWidth = GetSystemMetrics(SM_CXSCREEN);
    iPrimaryHeight = GetSystemMetrics(SM_CYSCREEN);

    winDebug("winGetWorkArea - Primary screen is %d x %d\n",
             iPrimaryWidth, iPrimaryHeight);

    /* Work out how much of the primary screen we aren't using */
    iPrimaryNonWorkAreaWidth = iPrimaryWidth - (prcWorkArea->right -
                                                prcWorkArea->left);
    iPrimaryNonWorkAreaHeight = iPrimaryHeight - (prcWorkArea->bottom
                                                  - prcWorkArea->top);

    /* Update the rectangle to include all monitors */
    if (iLeft < 0) {
        prcWorkArea->left = iLeft;
    }
    if (iTop < 0) {
        prcWorkArea->top = iTop;
    }
    prcWorkArea->right = prcWorkArea->left + iWidth - iPrimaryNonWorkAreaWidth;
    prcWorkArea->bottom = prcWorkArea->top + iHeight -
        iPrimaryNonWorkAreaHeight;

    winDebug("winGetWorkArea - Adjusted WorkArea for multiple "
             "monitors: %d %d %d %d\n",
             (int) prcWorkArea->top, (int) prcWorkArea->left,
             (int) prcWorkArea->bottom, (int) prcWorkArea->right);

    return TRUE;
}

static Bool
winTaskbarOnScreenEdge(unsigned int uEdge, winScreenInfo * pScreenInfo)
{
    APPBARDATA abd;
    HWND hwndAutoHide;

    ZeroMemory(&abd, sizeof(abd));
    abd.cbSize = sizeof(abd);
    abd.uEdge = uEdge;

    hwndAutoHide = (HWND) SHAppBarMessage(ABM_GETAUTOHIDEBAR, &abd);
    if (hwndAutoHide != NULL) {
        /*
           Found an autohide taskbar on that edge, but is it on the
           same monitor as the screen window?
         */
        if (pScreenInfo->fMultipleMonitors ||
            (MonitorFromWindow(hwndAutoHide, MONITOR_DEFAULTTONULL) ==
             pScreenInfo->hMonitor))
            return TRUE;
    }
    return FALSE;
}

/*
 * Adjust the client area so that any auto-hide toolbars
 * will work correctly.
 */

static Bool
winAdjustForAutoHide(RECT * prcWorkArea, winScreenInfo * pScreenInfo)
{
    APPBARDATA abd;

    winDebug("winAdjustForAutoHide - Original WorkArea: %d %d %d %d\n",
             (int) prcWorkArea->top, (int) prcWorkArea->left,
             (int) prcWorkArea->bottom, (int) prcWorkArea->right);

    /* Find out if the Windows taskbar is set to auto-hide */
    ZeroMemory(&abd, sizeof(abd));
    abd.cbSize = sizeof(abd);
    if (SHAppBarMessage(ABM_GETSTATE, &abd) & ABS_AUTOHIDE)
        winDebug("winAdjustForAutoHide - Taskbar is auto hide\n");

    /*
       Despite the forgoing, we are checking for any AppBar
       hiding along a monitor edge, not just the Windows TaskBar.
     */

    /* Look for a TOP auto-hide taskbar */
    if (winTaskbarOnScreenEdge(ABE_TOP, pScreenInfo)) {
        winDebug("winAdjustForAutoHide - Found TOP auto-hide taskbar\n");
        prcWorkArea->top += 1;
    }

    /* Look for a LEFT auto-hide taskbar */
    if (winTaskbarOnScreenEdge(ABE_LEFT, pScreenInfo)) {
        winDebug("winAdjustForAutoHide - Found LEFT auto-hide taskbar\n");
        prcWorkArea->left += 1;
    }

    /* Look for a BOTTOM auto-hide taskbar */
    if (winTaskbarOnScreenEdge(ABE_BOTTOM, pScreenInfo)) {
        winDebug("winAdjustForAutoHide - Found BOTTOM auto-hide taskbar\n");
        prcWorkArea->bottom -= 1;
    }

    /* Look for a RIGHT auto-hide taskbar */
    if (winTaskbarOnScreenEdge(ABE_RIGHT, pScreenInfo)) {
        winDebug("winAdjustForAutoHide - Found RIGHT auto-hide taskbar\n");
        prcWorkArea->right -= 1;
    }

    winDebug("winAdjustForAutoHide - Adjusted WorkArea: %d %d %d %d\n",
             (int) prcWorkArea->top, (int) prcWorkArea->left,
             (int) prcWorkArea->bottom, (int) prcWorkArea->right);

    return TRUE;
}