ReactOS  0.4.15-dev-2329-g3ad573f
trayclock.cpp
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1 /*
2  * ReactOS Explorer
3  *
4  * Copyright 2006 - 2007 Thomas Weidenmueller <w3seek@reactos.org>
5  * Copyright 2018 Ged Murphy <gedmurphy@reactos.org>
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #include "precomp.h"
23 
24 /*
25  * TrayClockWnd
26  */
27 
28 const struct
29 {
33 } ClockWndFormats[] = {
34  { TRUE, 0, NULL },
35  { FALSE, 0, L"dddd" },
37 };
39 
40 #define CLOCKWND_FORMAT_COUNT ClockWndFormatsCount
41 
42 static const WCHAR szTrayClockWndClass[] = L"TrayClockWClass";
43 
45  public CComCoClass<CTrayClockWnd>,
46  public CComObjectRootEx<CComMultiThreadModelNoCS>,
47  public CWindowImpl < CTrayClockWnd, CWindow, CControlWinTraits >,
48  public IOleWindow
49 {
55 
56  union
57  {
59  struct
60  {
65  };
66  };
72 
73 public:
74  CTrayClockWnd();
75  virtual ~CTrayClockWnd();
76 
77 private:
80 
82  WORD GetMinimumSize(IN BOOL Horizontal, IN OUT PSIZE pSize);
83  VOID UpdateWnd();
84  VOID Update();
86  BOOL ResetTime();
88  LRESULT OnDestroy(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
89  LRESULT OnPaint(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
90  VOID SetFont(IN HFONT hNewFont, IN BOOL bRedraw);
93  LRESULT OnTimer(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
96  LRESULT OnSetFont(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
97  LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
98  LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
101 
102 public:
103 
105  {
106  if (!phwnd)
107  return E_INVALIDARG;
108  *phwnd = m_hWnd;
109  return S_OK;
110  }
111 
113  {
114  return E_NOTIMPL;
115  }
116 
118 
122  END_COM_MAP()
123 
125 
133  MESSAGE_HANDLER(WM_THEMECHANGED, OnThemeChanged)
140  END_MSG_MAP()
141 
143 };
144 
145 #define ID_TRAYCLOCK_TIMER 0
146 #define ID_TRAYCLOCK_TIMER_INIT 1
147 
148 #define TRAY_CLOCK_WND_SPACING_X 5
149 #define TRAY_CLOCK_WND_SPACING_Y 0
150 
152  hFont(NULL),
153  dwFlags(0),
154  LineSpacing(0),
155  VisibleLines(0)
156 {
157  ZeroMemory(&textColor, sizeof(textColor));
158  ZeroMemory(&rcText, sizeof(rcText));
159  ZeroMemory(&LocalTime, sizeof(LocalTime));
161  ZeroMemory(LineSizes, sizeof(LineSizes));
162  ZeroMemory(szLines, sizeof(szLines));
163 }
165 
167 {
168  LOGFONTW clockFont;
169  HTHEME clockTheme;
170  HFONT hFont;
171 
172  clockTheme = OpenThemeData(m_hWnd, L"Clock");
173 
174  if (clockTheme)
175  {
176  GetThemeFont(clockTheme,
177  NULL,
178  CLP_TIME,
179  0,
180  TMT_FONT,
181  &clockFont);
182 
183  hFont = CreateFontIndirectW(&clockFont);
184 
185  GetThemeColor(clockTheme,
186  CLP_TIME,
187  0,
189  &textColor);
190 
191  if (this->hFont != NULL)
192  DeleteObject(this->hFont);
193 
194  SetFont(hFont, FALSE);
195  }
196  else
197  {
198  /* We don't need to set a font here, our parent will use
199  * WM_SETFONT to set the right one when themes are not enabled. */
200  textColor = RGB(0, 0, 0);
201  }
202 
203  CloseThemeData(clockTheme);
204 
205  return TRUE;
206 }
207 
209 {
210  return OnThemeChanged();
211 }
212 
214 {
215  HDC hDC;
216  HFONT hPrevFont;
217  UINT c, i;
218  BOOL bRet = TRUE;
219 
220  hDC = GetDC();
221  if (hDC != NULL)
222  {
223  if (hFont)
224  hPrevFont = (HFONT) SelectObject(hDC, hFont);
225 
226  for (i = 0; i < CLOCKWND_FORMAT_COUNT && bRet; i++)
227  {
228  if (szLines[i][0] != L'\0' &&
230  &LineSizes[i]))
231  {
232  bRet = FALSE;
233  break;
234  }
235  }
236 
237  if (hFont)
238  SelectObject(hDC, hPrevFont);
239 
240  ReleaseDC(hDC);
241 
242  if (bRet)
243  {
244  LineSpacing = 0;
245 
246  /* calculate the line spacing */
247  for (i = 0, c = 0; i < CLOCKWND_FORMAT_COUNT; i++)
248  {
249  if (LineSizes[i].cx > 0)
250  {
252  c++;
253  }
254  }
255 
256  if (c > 0)
257  {
258  /* We want a spacing of 1/2 line */
259  LineSpacing = (LineSpacing / c) / 2;
260  }
261 
262  return TRUE;
263  }
264  }
265 
266  return FALSE;
267 }
268 
270 {
271  WORD iLinesVisible = 0;
272  UINT i;
273  SIZE szMax = { 0, 0 };
274 
275  if (!LinesMeasured)
277 
278  if (!LinesMeasured)
279  return 0;
280 
281  for (i = 0; i < CLOCKWND_FORMAT_COUNT; i++)
282  {
283  if (LineSizes[i].cx != 0)
284  {
285  if (iLinesVisible > 0)
286  {
287  if (Horizontal)
288  {
289  if (szMax.cy + LineSizes[i].cy + (LONG) LineSpacing >
290  pSize->cy - (2 * TRAY_CLOCK_WND_SPACING_Y))
291  {
292  break;
293  }
294  }
295  else
296  {
297  if (LineSizes[i].cx > pSize->cx - (2 * TRAY_CLOCK_WND_SPACING_X))
298  break;
299  }
300 
301  /* Add line spacing */
302  szMax.cy += LineSpacing;
303  }
304 
305  iLinesVisible++;
306 
307  /* Increase maximum rectangle */
308  szMax.cy += LineSizes[i].cy;
309  if (LineSizes[i].cx > szMax.cx)
310  szMax.cx = LineSizes[i].cx;
311  }
312  }
313 
314  szMax.cx += 2 * TRAY_CLOCK_WND_SPACING_X;
315  szMax.cy += 2 * TRAY_CLOCK_WND_SPACING_Y;
316 
317  *pSize = szMax;
318 
319  return iLinesVisible;
320 }
321 
323 {
324  SIZE szPrevCurrent;
325  UINT BufSize, i;
326  INT iRet;
327  RECT rcClient;
328 
329  ZeroMemory(LineSizes, sizeof(LineSizes));
330 
331  szPrevCurrent = CurrentSize;
332 
333  for (i = 0; i < CLOCKWND_FORMAT_COUNT; i++)
334  {
335  szLines[i][0] = L'\0';
336  BufSize = _countof(szLines[0]);
337 
338  if (ClockWndFormats[i].IsTime)
339  {
342  &LocalTime,
343  ClockWndFormats[i].lpFormat,
344  szLines[i],
345  BufSize);
346  }
347  else
348  {
351  &LocalTime,
353  szLines[i],
354  BufSize);
355  }
356 
357  if (iRet != 0 && i == 0)
358  {
359  /* Set the window text to the time only */
361  }
362  }
363 
365 
366  if (LinesMeasured &&
367  GetClientRect(&rcClient))
368  {
369  SIZE szWnd;
370 
371  szWnd.cx = rcClient.right;
372  szWnd.cy = rcClient.bottom;
373 
375  CurrentSize = szWnd;
376  }
377 
378  if (IsWindowVisible())
379  {
381 
382  if (szPrevCurrent.cx != CurrentSize.cx ||
383  szPrevCurrent.cy != CurrentSize.cy)
384  {
385  /* Ask the parent to resize */
386  NMHDR nmh = {GetParent(), 0, NTNWM_REALIGN};
387  GetParent().SendMessage(WM_NOTIFY, 0, (LPARAM) &nmh);
388  }
389  }
390 
391  int iDateLength = GetDateFormat(LOCALE_USER_DEFAULT,
393  &LocalTime,
394  NULL,
395  NULL,
396  0);
397  if (iDateLength <= 0)
398  {
399  return;
400  }
401 
402  WCHAR* szDate = new WCHAR[iDateLength];
405  &LocalTime,
406  NULL,
407  szDate,
408  iDateLength) > 0)
409  {
411  reinterpret_cast<UINT_PTR>(m_hWnd),
412  szDate);
413  }
414  delete[] szDate;
415 }
416 
418 {
420  UpdateWnd();
421 }
422 
424 {
425  UINT uiDueTime;
426 
428  uiDueTime = 1000 - (UINT) LocalTime.wMilliseconds;
430  uiDueTime += (59 - (UINT) LocalTime.wSecond) * 1000;
431 
432  return uiDueTime;
433 }
434 
436 {
437  UINT uiDueTime;
438  BOOL Ret;
439 
440  /* Disable all timers */
441  if (IsTimerEnabled)
442  {
445  }
446  else if (IsInitTimerEnabled)
447  {
449  }
450 
451  uiDueTime = CalculateDueTime();
452 
453  /* Set the new timer */
454  Ret = SetTimer(ID_TRAYCLOCK_TIMER_INIT, uiDueTime, NULL) != 0;
455  IsInitTimerEnabled = Ret;
456 
457  return Ret;
458 }
459 
461 {
462  UINT uiDueTime;
463  BOOL Ret;
464  UINT uiWait1, uiWait2;
465 
466  /* Kill the initialization timer */
469 
470  uiDueTime = CalculateDueTime();
471 
473  {
474  uiWait1 = 1000 - 200;
475  uiWait2 = 1000;
476  }
477  else
478  {
479  uiWait1 = 60 * 1000 - 200;
480  uiWait2 = 60 * 1000;
481  }
482 
483  if (uiDueTime > uiWait1)
484  {
485  /* The update of the clock will be up to 200 ms late, but that's
486  acceptable. We're going to setup a timer that fires depending
487  uiWait2. */
488  Ret = SetTimer(ID_TRAYCLOCK_TIMER, uiWait2, NULL) != 0;
489  IsTimerEnabled = Ret;
490  }
491  else
492  {
493  /* Recalibrate the timer and recalculate again when the current
494  minute/second ends. */
495  ResetTime();
496  }
497 
498  /* Update the time */
499  Update();
500 }
501 
503 {
504  /* Disable all timers */
505  if (IsTimerEnabled)
506  {
508  }
509  else if (IsInitTimerEnabled)
510  {
512  }
513 
514  return TRUE;
515 }
516 
518 {
519  RECT rcClient;
520  HFONT hPrevFont;
521  INT iPrevBkMode;
522  UINT i, line;
523 
524  PAINTSTRUCT ps;
525  HDC hDC = (HDC) wParam;
526 
527  if (wParam == 0)
528  {
529  hDC = BeginPaint(&ps);
530  }
531 
532  if (hDC == NULL)
533  return FALSE;
534 
535  if (LinesMeasured &&
536  GetClientRect(&rcClient))
537  {
538  iPrevBkMode = SetBkMode(hDC, TRANSPARENT);
539 
541 
542  hPrevFont = (HFONT) SelectObject(hDC, hFont);
543 
544  rcClient.top = (rcClient.bottom - CurrentSize.cy) / 2;
545  rcClient.bottom = rcClient.top + CurrentSize.cy;
546 
547  for (i = 0, line = 0;
549  i++)
550  {
551  if (LineSizes[i].cx != 0)
552  {
553  TextOut(hDC,
554  (rcClient.right - LineSizes[i].cx) / 2,
555  rcClient.top + TRAY_CLOCK_WND_SPACING_Y,
556  szLines[i],
557  wcslen(szLines[i]));
558 
559  rcClient.top += LineSizes[i].cy + LineSpacing;
560  line++;
561  }
562  }
563 
564  SelectObject(hDC, hPrevFont);
565 
566  SetBkMode(hDC, iPrevBkMode);
567  }
568 
569  if (wParam == 0)
570  {
571  EndPaint(&ps);
572  }
573 
574  return TRUE;
575 }
576 
578 {
579  hFont = hNewFont;
581  if (bRedraw)
582  {
584  }
585 }
586 
588 {
589  RECT rect;
590 
593 
594  return TRUE;
595 }
596 
598 {
599  HDC hdc = (HDC) wParam;
600 
601  if (!IsAppThemed())
602  {
603  bHandled = FALSE;
604  return 0;
605  }
606 
607  return DrawBackground(hdc);
608 }
609 
611 {
612  switch (wParam)
613  {
614  case ID_TRAYCLOCK_TIMER:
615  Update();
616  break;
617 
619  CalibrateTimer();
620  break;
621  }
622  return TRUE;
623 }
624 
626 {
628 
629  return (LRESULT) GetMinimumSize((BOOL) wParam, (PSIZE) lParam) != 0;
630 }
631 
633 {
634  return GetParent().SendMessage(uMsg, wParam, lParam);
635 }
636 
638 {
640  return TRUE;
641 }
642 
644 {
646 
647  TOOLINFOW ti = { 0 };
648  ti.cbSize = TTTOOLINFOW_V1_SIZE;
649  ti.uFlags = TTF_IDISHWND | TTF_SUBCLASS;
650  ti.hwnd = m_hWnd;
651  ti.uId = reinterpret_cast<UINT_PTR>(m_hWnd);
652  ti.lpszText = NULL;
653  ti.lParam = NULL;
654 
655  m_tooltip.AddTool(&ti);
656 
658  {
659  ResetTime();
660  }
661 
662  /* Update the time */
663  Update();
664 
665  return TRUE;
666 }
667 
669 {
670  SIZE szClient;
671 
672  szClient.cx = LOWORD(lParam);
673  szClient.cy = HIWORD(lParam);
674 
676  CurrentSize = szClient;
677 
679  return TRUE;
680 }
681 
683 {
684  BOOL bRealign = FALSE;
685 
686  TaskbarSettings* newSettings = (TaskbarSettings*)lParam;
687  if (newSettings->bShowSeconds != g_TaskbarSettings.bShowSeconds)
688  {
691  {
692  bRealign = TRUE;
693 
694  ResetTime();
695  }
696  }
697 
698  if (newSettings->sr.HideClock != g_TaskbarSettings.sr.HideClock)
699  {
700  g_TaskbarSettings.sr.HideClock = newSettings->sr.HideClock;
702  bRealign = TRUE;
703 
705  {
706  /* Disable all timers */
707  if (IsTimerEnabled)
708  {
711  }
712  else if (IsInitTimerEnabled)
713  {
716  }
717  }
718  else
719  {
720  ResetTime();
721  }
722  }
723 
724  if (bRealign)
725  {
726  /* Ask the parent to resize */
727  NMHDR nmh = {GetParent(), 0, NTNWM_REALIGN};
728  GetParent().SendMessage(WM_NOTIFY, 0, (LPARAM) &nmh);
729  Update();
730  }
731  return 0;
732 }
733 
735 {
736  if (IsWindowVisible())
737  {
738  //FIXME: use SHRunControlPanel
739  ShellExecuteW(m_hWnd, NULL, L"timedate.cpl", NULL, NULL, SW_NORMAL);
740  }
741  return TRUE;
742 }
743 
745 {
746  IsHorizontal = TRUE;
747 
748  /* Create the window. The tray window is going to move it to the correct
749  position and resize it as needed. */
750  DWORD dwStyle = WS_CHILD | WS_CLIPSIBLINGS;
752  dwStyle |= WS_VISIBLE;
753 
754  Create(hWndParent, 0, NULL, dwStyle);
755  if (!m_hWnd)
756  return E_FAIL;
757 
758  SetWindowTheme(m_hWnd, L"TrayNotify", NULL);
759 
760  return S_OK;
761 
762 };
763 
765 {
766  return ShellObjectCreatorInit<CTrayClockWnd>(hwndParent, riid, ppv);
767 }
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Definition: trayclock.cpp:423
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Definition: trayclock.cpp:145
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Definition: trayclock.cpp:40
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Definition: trayclock.cpp:38
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Definition: trayclock.cpp:164
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