4 * Copyright 2006 - 2007 Thomas Weidenmueller <w3seek@reactos.org>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #include <commoncontrols.h>
24 /* Set DUMP_TASKS to 1 to enable a dump of the tasks and task groups every
27 #define DEBUG_SHELL_HOOK 0
29 #define MAX_TASKS_COUNT (0x7FFF)
30 #define TASK_ITEM_ARRAY_ALLOC 64
32 const WCHAR szTaskSwitchWndClass
[] = L
"MSTaskSwWClass";
33 const WCHAR szRunningApps
[] = L
"Running Applications";
40 { HSHELL_WINDOWCREATED
, L
"HSHELL_WINDOWCREATED" },
41 { HSHELL_WINDOWDESTROYED
, L
"HSHELL_WINDOWDESTROYED" },
42 { HSHELL_ACTIVATESHELLWINDOW
, L
"HSHELL_ACTIVATESHELLWINDOW" },
43 { HSHELL_WINDOWACTIVATED
, L
"HSHELL_WINDOWACTIVATED" },
44 { HSHELL_GETMINRECT
, L
"HSHELL_GETMINRECT" },
45 { HSHELL_REDRAW
, L
"HSHELL_REDRAW" },
46 { HSHELL_TASKMAN
, L
"HSHELL_TASKMAN" },
47 { HSHELL_LANGUAGE
, L
"HSHELL_LANGUAGE" },
48 { HSHELL_SYSMENU
, L
"HSHELL_SYSMENU" },
49 { HSHELL_ENDTASK
, L
"HSHELL_ENDTASK" },
50 { HSHELL_ACCESSIBILITYSTATE
, L
"HSHELL_ACCESSIBILITYSTATE" },
51 { HSHELL_APPCOMMAND
, L
"HSHELL_APPCOMMAND" },
52 { HSHELL_WINDOWREPLACED
, L
"HSHELL_WINDOWREPLACED" },
53 { HSHELL_WINDOWREPLACING
, L
"HSHELL_WINDOWREPLACING" },
54 { HSHELL_RUDEAPPACTIVATED
, L
"HSHELL_RUDEAPPACTIVATED" },
58 typedef struct _TASK_GROUP
60 /* We have to use a linked list instead of an array so we don't have to
61 update all pointers to groups in the task item array when removing
63 struct _TASK_GROUP
*Next
;
74 DWORD IsCollapsed
: 1;
77 } TASK_GROUP
, *PTASK_GROUP
;
79 typedef struct _TASK_ITEM
92 /* IsFlashing is TRUE when the task bar item should be flashing. */
95 /* RenderFlashed is only TRUE if the task bar item should be
96 drawn with a flash. */
97 DWORD RenderFlashed
: 1;
100 } TASK_ITEM
, *PTASK_ITEM
;
103 public CWindowImplBaseT
< CToolbar
<TASK_ITEM
>, CControlWinTraits
>
106 INT
UpdateTbButtonSpacing(IN BOOL bHorizontal
, IN BOOL bThemed
, IN UINT uiRows
= 0, IN UINT uiBtnsPerLine
= 0)
110 tbm
.cbSize
= sizeof(tbm
);
111 tbm
.dwMask
= TBMF_BARPAD
| TBMF_BUTTONSPACING
;
113 tbm
.cxBarPad
= tbm
.cyBarPad
= 0;
117 tbm
.cxButtonSpacing
= 0;
118 tbm
.cyButtonSpacing
= 0;
122 if (bHorizontal
|| uiBtnsPerLine
> 1)
123 tbm
.cxButtonSpacing
= (3 * GetSystemMetrics(SM_CXEDGE
) / 2);
125 tbm
.cxButtonSpacing
= 0;
127 if (!bHorizontal
|| uiRows
> 1)
128 tbm
.cyButtonSpacing
= (3 * GetSystemMetrics(SM_CYEDGE
) / 2);
130 tbm
.cyButtonSpacing
= 0;
135 return tbm
.cxButtonSpacing
;
145 SendMessageW(WM_SETREDRAW
, TRUE
);
146 InvalidateRect(NULL
, TRUE
);
149 BOOL
SetButtonCommandId(IN INT iButtonIndex
, IN INT iCommandId
)
153 tbbi
.cbSize
= sizeof(tbbi
);
154 tbbi
.dwMask
= TBIF_BYINDEX
| TBIF_COMMAND
;
155 tbbi
.idCommand
= iCommandId
;
157 return SetButtonInfo(iButtonIndex
, &tbbi
) != 0;
160 LRESULT
OnNcHitTestToolbar(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
164 /* See if the mouse is on a button */
165 pt
.x
= GET_X_LPARAM(lParam
);
166 pt
.y
= GET_Y_LPARAM(lParam
);
169 INT index
= HitTest(&pt
);
172 /* Make the control appear to be transparent outside of any buttons */
173 return HTTRANSPARENT
;
181 BEGIN_MSG_MAP(CNotifyToolbar
)
182 MESSAGE_HANDLER(WM_NCHITTEST
, OnNcHitTestToolbar
)
185 BOOL
Initialize(HWND hWndParent
)
187 DWORD styles
= WS_CHILD
| WS_VISIBLE
| WS_CLIPCHILDREN
|
188 TBSTYLE_TOOLTIPS
| TBSTYLE_WRAPABLE
| TBSTYLE_LIST
| TBSTYLE_TRANSPARENT
|
189 CCS_TOP
| CCS_NORESIZE
| CCS_NODIVIDER
;
191 return SubclassWindow(CToolbar::Create(hWndParent
, styles
));
195 class CTaskSwitchWnd
:
196 public CWindowImpl
< CTaskSwitchWnd
, CWindow
, CControlWinTraits
>
198 CTaskToolbar m_TaskBar
;
200 CComPtr
<ITrayWindow
> m_Tray
;
204 WORD m_TaskItemCount
;
205 WORD m_AllocatedTaskItems
;
207 PTASK_GROUP m_TaskGroups
;
208 PTASK_ITEM m_TaskItems
;
209 PTASK_ITEM m_ActiveTaskItem
;
212 UINT m_ButtonsPerLine
;
215 HIMAGELIST m_ImageList
;
217 BOOL m_IsGroupingEnabled
;
224 m_ShellHookMsg(NULL
),
226 m_AllocatedTaskItems(0),
229 m_ActiveTaskItem(NULL
),
234 m_IsGroupingEnabled(FALSE
),
235 m_IsDestroying(FALSE
)
237 ZeroMemory(&m_ButtonSize
, sizeof(m_ButtonSize
));
239 virtual ~CTaskSwitchWnd() { }
241 INT
GetWndTextFromTaskItem(IN PTASK_ITEM TaskItem
, LPWSTR szBuf
, DWORD cchBuf
)
243 /* Get the window text without sending a message so we don't hang if an
244 application isn't responding! */
245 return InternalGetWindowText(TaskItem
->hWnd
, szBuf
, cchBuf
);
252 PTASK_GROUP CurrentGroup
;
253 PTASK_ITEM CurrentTaskItem
, LastTaskItem
;
255 TRACE("Tasks dump:\n");
256 if (m_IsGroupingEnabled
)
258 CurrentGroup
= m_TaskGroups
;
259 while (CurrentGroup
!= NULL
)
261 TRACE("- Group PID: 0x%p Tasks: %d Index: %d\n", CurrentGroup
->dwProcessId
, CurrentGroup
->dwTaskCount
, CurrentGroup
->Index
);
263 CurrentTaskItem
= m_TaskItems
;
264 LastTaskItem
= CurrentTaskItem
+ m_TaskItemCount
;
265 while (CurrentTaskItem
!= LastTaskItem
)
267 if (CurrentTaskItem
->Group
== CurrentGroup
)
269 TRACE(" + Task hwnd: 0x%p Index: %d\n", CurrentTaskItem
->hWnd
, CurrentTaskItem
->Index
);
274 CurrentGroup
= CurrentGroup
->Next
;
277 CurrentTaskItem
= m_TaskItems
;
278 LastTaskItem
= CurrentTaskItem
+ m_TaskItemCount
;
279 while (CurrentTaskItem
!= LastTaskItem
)
281 if (CurrentTaskItem
->Group
== NULL
)
283 TRACE("- Task hwnd: 0x%p Index: %d\n", CurrentTaskItem
->hWnd
, CurrentTaskItem
->Index
);
290 CurrentTaskItem
= m_TaskItems
;
291 LastTaskItem
= CurrentTaskItem
+ m_TaskItemCount
;
292 while (CurrentTaskItem
!= LastTaskItem
)
294 TRACE("- Task hwnd: 0x%p Index: %d\n", CurrentTaskItem
->hWnd
, CurrentTaskItem
->Index
);
301 VOID
UpdateIndexesAfter(IN INT iIndex
, BOOL bInserted
)
303 PTASK_GROUP CurrentGroup
;
304 PTASK_ITEM CurrentTaskItem
, LastTaskItem
;
307 int offset
= bInserted
? +1 : -1;
309 if (m_IsGroupingEnabled
)
311 /* Update all affected groups */
312 CurrentGroup
= m_TaskGroups
;
313 while (CurrentGroup
!= NULL
)
315 if (CurrentGroup
->IsCollapsed
&&
316 CurrentGroup
->Index
>= iIndex
)
318 /* Update the toolbar buttons */
319 NewIndex
= CurrentGroup
->Index
+ offset
;
320 if (m_TaskBar
.SetButtonCommandId(CurrentGroup
->Index
+ offset
, NewIndex
))
322 CurrentGroup
->Index
= NewIndex
;
325 CurrentGroup
->Index
= -1;
328 CurrentGroup
= CurrentGroup
->Next
;
332 /* Update all affected task items */
333 CurrentTaskItem
= m_TaskItems
;
334 LastTaskItem
= CurrentTaskItem
+ m_TaskItemCount
;
335 while (CurrentTaskItem
!= LastTaskItem
)
337 CurrentGroup
= CurrentTaskItem
->Group
;
338 if (CurrentGroup
!= NULL
)
340 if (!CurrentGroup
->IsCollapsed
&&
341 CurrentTaskItem
->Index
>= iIndex
)
343 goto UpdateTaskItemBtn
;
346 else if (CurrentTaskItem
->Index
>= iIndex
)
349 /* Update the toolbar buttons */
350 NewIndex
= CurrentTaskItem
->Index
+ offset
;
351 if (m_TaskBar
.SetButtonCommandId(CurrentTaskItem
->Index
+ offset
, NewIndex
))
353 CurrentTaskItem
->Index
= NewIndex
;
356 CurrentTaskItem
->Index
= -1;
364 INT
UpdateTaskGroupButton(IN PTASK_GROUP TaskGroup
)
366 ASSERT(TaskGroup
->Index
>= 0);
368 /* FIXME: Implement */
370 return TaskGroup
->Index
;
373 VOID
ExpandTaskGroup(IN PTASK_GROUP TaskGroup
)
375 ASSERT(TaskGroup
->dwTaskCount
> 0);
376 ASSERT(TaskGroup
->IsCollapsed
);
377 ASSERT(TaskGroup
->Index
>= 0);
379 /* FIXME: Implement */
382 HICON
GetWndIcon(HWND hwnd
)
386 SendMessageTimeout(hwnd
, WM_GETICON
, ICON_SMALL2
, 0, SMTO_ABORTIFHUNG
, 1000, (PDWORD_PTR
) &hIcon
);
390 SendMessageTimeout(hwnd
, WM_GETICON
, ICON_SMALL
, 0, SMTO_ABORTIFHUNG
, 1000, (PDWORD_PTR
) &hIcon
);
394 SendMessageTimeout(hwnd
, WM_GETICON
, ICON_BIG
, 0, SMTO_ABORTIFHUNG
, 1000, (PDWORD_PTR
) &hIcon
);
398 hIcon
= (HICON
) GetClassLongPtr(hwnd
, GCL_HICONSM
);
402 hIcon
= (HICON
) GetClassLongPtr(hwnd
, GCL_HICON
);
407 INT
UpdateTaskItemButton(IN PTASK_ITEM TaskItem
)
409 TBBUTTONINFO tbbi
= { 0 };
411 WCHAR windowText
[255];
413 ASSERT(TaskItem
->Index
>= 0);
415 tbbi
.cbSize
= sizeof(tbbi
);
416 tbbi
.dwMask
= TBIF_BYINDEX
| TBIF_STATE
| TBIF_TEXT
| TBIF_IMAGE
;
417 tbbi
.fsState
= TBSTATE_ENABLED
;
418 if (m_ActiveTaskItem
== TaskItem
)
419 tbbi
.fsState
|= TBSTATE_CHECKED
;
421 if (TaskItem
->RenderFlashed
)
422 tbbi
.fsState
|= TBSTATE_MARKED
;
424 /* Check if we're updating a button that is the last one in the
425 line. If so, we need to set the TBSTATE_WRAP flag! */
426 if (!m_Tray
->IsHorizontal() || (m_ButtonsPerLine
!= 0 &&
427 (TaskItem
->Index
+ 1) % m_ButtonsPerLine
== 0))
429 tbbi
.fsState
|= TBSTATE_WRAP
;
432 if (GetWndTextFromTaskItem(TaskItem
, windowText
, _countof(windowText
)) > 0)
434 tbbi
.pszText
= windowText
;
437 icon
= GetWndIcon(TaskItem
->hWnd
);
439 icon
= static_cast<HICON
>(LoadImageW(NULL
, MAKEINTRESOURCEW(OIC_SAMPLE
), IMAGE_ICON
, 0, 0, LR_SHARED
| LR_DEFAULTSIZE
));
440 TaskItem
->IconIndex
= ImageList_ReplaceIcon(m_ImageList
, TaskItem
->IconIndex
, icon
);
441 tbbi
.iImage
= TaskItem
->IconIndex
;
443 if (!m_TaskBar
.SetButtonInfo(TaskItem
->Index
, &tbbi
))
445 TaskItem
->Index
= -1;
449 TRACE("Updated button %d for hwnd 0x%p\n", TaskItem
->Index
, TaskItem
->hWnd
);
450 return TaskItem
->Index
;
453 VOID
RemoveIcon(IN PTASK_ITEM TaskItem
)
456 PTASK_ITEM currentTaskItem
, LastItem
;
458 if (TaskItem
->IconIndex
== -1)
461 tbbi
.cbSize
= sizeof(tbbi
);
462 tbbi
.dwMask
= TBIF_IMAGE
;
464 currentTaskItem
= m_TaskItems
;
465 LastItem
= currentTaskItem
+ m_TaskItemCount
;
466 while (currentTaskItem
!= LastItem
)
468 if (currentTaskItem
->IconIndex
> TaskItem
->IconIndex
)
470 currentTaskItem
->IconIndex
--;
471 tbbi
.iImage
= currentTaskItem
->IconIndex
;
473 m_TaskBar
.SetButtonInfo(currentTaskItem
->Index
, &tbbi
);
478 ImageList_Remove(m_ImageList
, TaskItem
->IconIndex
);
481 PTASK_ITEM
FindLastTaskItemOfGroup(
482 IN PTASK_GROUP TaskGroup OPTIONAL
,
483 IN PTASK_ITEM NewTaskItem OPTIONAL
)
485 PTASK_ITEM TaskItem
, LastTaskItem
, FoundTaskItem
= NULL
;
488 ASSERT(m_IsGroupingEnabled
);
490 TaskItem
= m_TaskItems
;
491 LastTaskItem
= TaskItem
+ m_TaskItemCount
;
493 dwTaskCount
= (TaskGroup
!= NULL
? TaskGroup
->dwTaskCount
: MAX_TASKS_COUNT
);
495 ASSERT(dwTaskCount
> 0);
497 while (TaskItem
!= LastTaskItem
)
499 if (TaskItem
->Group
== TaskGroup
)
501 if ((NewTaskItem
!= NULL
&& TaskItem
!= NewTaskItem
) || NewTaskItem
== NULL
)
503 FoundTaskItem
= TaskItem
;
506 if (--dwTaskCount
== 0)
508 /* We found the last task item in the group! */
516 return FoundTaskItem
;
519 INT
CalculateTaskItemNewButtonIndex(IN PTASK_ITEM TaskItem
)
521 PTASK_GROUP TaskGroup
;
522 PTASK_ITEM LastTaskItem
;
524 /* NOTE: This routine assumes that the group is *not* collapsed! */
526 TaskGroup
= TaskItem
->Group
;
527 if (m_IsGroupingEnabled
)
529 if (TaskGroup
!= NULL
)
531 ASSERT(TaskGroup
->Index
< 0);
532 ASSERT(!TaskGroup
->IsCollapsed
);
534 if (TaskGroup
->dwTaskCount
> 1)
536 LastTaskItem
= FindLastTaskItemOfGroup(TaskGroup
, TaskItem
);
537 if (LastTaskItem
!= NULL
)
539 /* Since the group is expanded the task items must have an index */
540 ASSERT(LastTaskItem
->Index
>= 0);
542 return LastTaskItem
->Index
+ 1;
548 /* Find the last NULL group button. NULL groups are added at the end of the
549 task item list when grouping is enabled */
550 LastTaskItem
= FindLastTaskItemOfGroup(NULL
, TaskItem
);
551 if (LastTaskItem
!= NULL
)
553 ASSERT(LastTaskItem
->Index
>= 0);
555 return LastTaskItem
->Index
+ 1;
560 return m_ButtonCount
;
563 INT
AddTaskItemButton(IN OUT PTASK_ITEM TaskItem
)
565 WCHAR windowText
[255];
566 TBBUTTON tbBtn
= { 0 };
570 if (TaskItem
->Index
>= 0)
572 return UpdateTaskItemButton(TaskItem
);
575 if (TaskItem
->Group
!= NULL
&&
576 TaskItem
->Group
->IsCollapsed
)
578 /* The task group is collapsed, we only need to update the group button */
579 return UpdateTaskGroupButton(TaskItem
->Group
);
582 icon
= GetWndIcon(TaskItem
->hWnd
);
584 icon
= static_cast<HICON
>(LoadImageW(NULL
, MAKEINTRESOURCEW(OIC_SAMPLE
), IMAGE_ICON
, 0, 0, LR_SHARED
| LR_DEFAULTSIZE
));
585 TaskItem
->IconIndex
= ImageList_ReplaceIcon(m_ImageList
, -1, icon
);
587 tbBtn
.iBitmap
= TaskItem
->IconIndex
;
588 tbBtn
.fsState
= TBSTATE_ENABLED
| TBSTATE_ELLIPSES
;
589 tbBtn
.fsStyle
= BTNS_CHECK
| BTNS_NOPREFIX
| BTNS_SHOWTEXT
;
590 tbBtn
.dwData
= TaskItem
->Index
;
592 if (GetWndTextFromTaskItem(TaskItem
, windowText
, _countof(windowText
)) > 0)
594 tbBtn
.iString
= (DWORD_PTR
) windowText
;
597 /* Find out where to insert the new button */
598 iIndex
= CalculateTaskItemNewButtonIndex(TaskItem
);
600 tbBtn
.idCommand
= iIndex
;
602 m_TaskBar
.BeginUpdate();
604 if (m_TaskBar
.InsertButton(iIndex
, &tbBtn
))
606 UpdateIndexesAfter(iIndex
, TRUE
);
608 TRACE("Added button %d for hwnd 0x%p\n", iIndex
, TaskItem
->hWnd
);
610 TaskItem
->Index
= iIndex
;
613 /* Update button sizes and fix the button wrapping */
614 UpdateButtonsSize(TRUE
);
618 m_TaskBar
.EndUpdate();
623 BOOL
DeleteTaskItemButton(IN OUT PTASK_ITEM TaskItem
)
625 PTASK_GROUP TaskGroup
;
628 TaskGroup
= TaskItem
->Group
;
630 if (TaskItem
->Index
>= 0)
632 if ((TaskGroup
!= NULL
&& !TaskGroup
->IsCollapsed
) ||
635 m_TaskBar
.BeginUpdate();
637 RemoveIcon(TaskItem
);
638 iIndex
= TaskItem
->Index
;
639 if (m_TaskBar
.DeleteButton(iIndex
))
641 TaskItem
->Index
= -1;
644 UpdateIndexesAfter(iIndex
, FALSE
);
646 /* Update button sizes and fix the button wrapping */
647 UpdateButtonsSize(TRUE
);
651 m_TaskBar
.EndUpdate();
658 PTASK_GROUP
AddToTaskGroup(IN HWND hWnd
)
661 PTASK_GROUP TaskGroup
, *PrevLink
;
663 if (!GetWindowThreadProcessId(hWnd
,
666 TRACE("Cannot get process id of hwnd 0x%p\n", hWnd
);
670 /* Try to find an existing task group */
671 TaskGroup
= m_TaskGroups
;
672 PrevLink
= &m_TaskGroups
;
673 while (TaskGroup
!= NULL
)
675 if (TaskGroup
->dwProcessId
== dwProcessId
)
677 TaskGroup
->dwTaskCount
++;
681 PrevLink
= &TaskGroup
->Next
;
682 TaskGroup
= TaskGroup
->Next
;
685 /* Allocate a new task group */
686 TaskGroup
= (PTASK_GROUP
) HeapAlloc(hProcessHeap
,
689 if (TaskGroup
!= NULL
)
691 TaskGroup
->dwTaskCount
= 1;
692 TaskGroup
->dwProcessId
= dwProcessId
;
693 TaskGroup
->Index
= -1;
695 /* Add the task group to the list */
696 *PrevLink
= TaskGroup
;
702 VOID
RemoveTaskFromTaskGroup(IN OUT PTASK_ITEM TaskItem
)
704 PTASK_GROUP TaskGroup
, CurrentGroup
, *PrevLink
;
706 TaskGroup
= TaskItem
->Group
;
707 if (TaskGroup
!= NULL
)
709 DWORD dwNewTaskCount
= --TaskGroup
->dwTaskCount
;
710 if (dwNewTaskCount
== 0)
712 /* Find the previous pointer in the chain */
713 CurrentGroup
= m_TaskGroups
;
714 PrevLink
= &m_TaskGroups
;
715 while (CurrentGroup
!= TaskGroup
)
717 PrevLink
= &CurrentGroup
->Next
;
718 CurrentGroup
= CurrentGroup
->Next
;
721 /* Remove the group from the list */
722 ASSERT(TaskGroup
== CurrentGroup
);
723 *PrevLink
= TaskGroup
->Next
;
725 /* Free the task group */
726 HeapFree(hProcessHeap
,
730 else if (TaskGroup
->IsCollapsed
&&
731 TaskGroup
->Index
>= 0)
733 if (dwNewTaskCount
> 1)
735 /* FIXME: Check if we should expand the group */
736 /* Update the task group button */
737 UpdateTaskGroupButton(TaskGroup
);
741 /* Expand the group of one task button to a task button */
742 ExpandTaskGroup(TaskGroup
);
748 PTASK_ITEM
FindTaskItem(IN HWND hWnd
)
750 PTASK_ITEM TaskItem
, LastItem
;
752 TaskItem
= m_TaskItems
;
753 LastItem
= TaskItem
+ m_TaskItemCount
;
754 while (TaskItem
!= LastItem
)
756 if (TaskItem
->hWnd
== hWnd
)
765 PTASK_ITEM
FindOtherTaskItem(IN HWND hWnd
)
767 PTASK_ITEM LastItem
, TaskItem
;
768 PTASK_GROUP TaskGroup
;
771 if (!GetWindowThreadProcessId(hWnd
, &dwProcessId
))
776 /* Try to find another task that belongs to the same
777 process as the given window */
778 TaskItem
= m_TaskItems
;
779 LastItem
= TaskItem
+ m_TaskItemCount
;
780 while (TaskItem
!= LastItem
)
782 TaskGroup
= TaskItem
->Group
;
783 if (TaskGroup
!= NULL
)
785 if (TaskGroup
->dwProcessId
== dwProcessId
)
790 DWORD dwProcessIdTask
;
792 if (GetWindowThreadProcessId(TaskItem
->hWnd
,
794 dwProcessIdTask
== dwProcessId
)
806 PTASK_ITEM
AllocTaskItem()
808 if (m_TaskItemCount
>= MAX_TASKS_COUNT
)
810 /* We need the most significant bit in 16 bit command IDs to indicate whether it
811 is a task group or task item. WM_COMMAND limits command IDs to 16 bits! */
815 ASSERT(m_AllocatedTaskItems
>= m_TaskItemCount
);
817 if (m_TaskItemCount
== 0)
819 m_TaskItems
= (PTASK_ITEM
) HeapAlloc(hProcessHeap
,
821 TASK_ITEM_ARRAY_ALLOC
* sizeof(*m_TaskItems
));
822 if (m_TaskItems
!= NULL
)
824 m_AllocatedTaskItems
= TASK_ITEM_ARRAY_ALLOC
;
829 else if (m_TaskItemCount
>= m_AllocatedTaskItems
)
832 SIZE_T NewArrayLength
, ActiveTaskItemIndex
;
834 NewArrayLength
= m_AllocatedTaskItems
+ TASK_ITEM_ARRAY_ALLOC
;
836 NewArray
= (PTASK_ITEM
) HeapReAlloc(hProcessHeap
,
839 NewArrayLength
* sizeof(*m_TaskItems
));
840 if (NewArray
!= NULL
)
842 if (m_ActiveTaskItem
!= NULL
)
844 /* Fixup the ActiveTaskItem pointer */
845 ActiveTaskItemIndex
= m_ActiveTaskItem
- m_TaskItems
;
846 m_ActiveTaskItem
= NewArray
+ ActiveTaskItemIndex
;
848 m_AllocatedTaskItems
= (WORD
) NewArrayLength
;
849 m_TaskItems
= NewArray
;
855 return m_TaskItems
+ m_TaskItemCount
++;
858 VOID
FreeTaskItem(IN OUT PTASK_ITEM TaskItem
)
862 if (TaskItem
== m_ActiveTaskItem
)
863 m_ActiveTaskItem
= NULL
;
865 wIndex
= (WORD
) (TaskItem
- m_TaskItems
);
866 if (wIndex
+ 1 < m_TaskItemCount
)
870 (m_TaskItemCount
- wIndex
- 1) * sizeof(*TaskItem
));
876 VOID
DeleteTaskItem(IN OUT PTASK_ITEM TaskItem
)
880 /* Delete the task button from the toolbar */
881 DeleteTaskItemButton(TaskItem
);
884 /* Remove the task from it's group */
885 RemoveTaskFromTaskGroup(TaskItem
);
887 /* Free the task item */
888 FreeTaskItem(TaskItem
);
891 VOID
CheckActivateTaskItem(IN OUT PTASK_ITEM TaskItem
)
893 PTASK_ITEM CurrentTaskItem
;
894 PTASK_GROUP TaskGroup
= NULL
;
896 CurrentTaskItem
= m_ActiveTaskItem
;
898 if (TaskItem
!= NULL
)
899 TaskGroup
= TaskItem
->Group
;
901 if (m_IsGroupingEnabled
&&
903 TaskGroup
->IsCollapsed
)
909 if (CurrentTaskItem
!= NULL
)
911 PTASK_GROUP CurrentTaskGroup
;
913 if (CurrentTaskItem
== TaskItem
)
916 CurrentTaskGroup
= CurrentTaskItem
->Group
;
918 if (m_IsGroupingEnabled
&&
919 CurrentTaskGroup
!= NULL
&&
920 CurrentTaskGroup
->IsCollapsed
)
922 if (CurrentTaskGroup
== TaskGroup
)
929 m_ActiveTaskItem
= NULL
;
930 if (CurrentTaskItem
->Index
>= 0)
932 UpdateTaskItemButton(CurrentTaskItem
);
937 m_ActiveTaskItem
= TaskItem
;
939 if (TaskItem
!= NULL
&& TaskItem
->Index
>= 0)
941 UpdateTaskItemButton(TaskItem
);
943 else if (TaskItem
== NULL
)
945 TRACE("Active TaskItem now NULL\n");
949 PTASK_ITEM
FindTaskItemByIndex(IN INT Index
)
951 PTASK_ITEM TaskItem
, LastItem
;
953 TaskItem
= m_TaskItems
;
954 LastItem
= TaskItem
+ m_TaskItemCount
;
955 while (TaskItem
!= LastItem
)
957 if (TaskItem
->Index
== Index
)
966 PTASK_GROUP
FindTaskGroupByIndex(IN INT Index
)
968 PTASK_GROUP CurrentGroup
;
970 CurrentGroup
= m_TaskGroups
;
971 while (CurrentGroup
!= NULL
)
973 if (CurrentGroup
->Index
== Index
)
976 CurrentGroup
= CurrentGroup
->Next
;
982 BOOL
AddTask(IN HWND hWnd
)
986 if (!::IsWindow(hWnd
) || m_Tray
->IsSpecialHWND(hWnd
))
989 TaskItem
= FindTaskItem(hWnd
);
990 if (TaskItem
== NULL
)
992 TRACE("Add window 0x%p\n", hWnd
);
993 TaskItem
= AllocTaskItem();
994 if (TaskItem
!= NULL
)
996 ZeroMemory(TaskItem
, sizeof(*TaskItem
));
997 TaskItem
->hWnd
= hWnd
;
998 TaskItem
->Index
= -1;
999 TaskItem
->Group
= AddToTaskGroup(hWnd
);
1001 if (!m_IsDestroying
)
1003 AddTaskItemButton(TaskItem
);
1008 return TaskItem
!= NULL
;
1011 BOOL
ActivateTaskItem(IN OUT PTASK_ITEM TaskItem OPTIONAL
)
1013 if (TaskItem
!= NULL
)
1015 TRACE("Activate window 0x%p on button %d\n", TaskItem
->hWnd
, TaskItem
->Index
);
1018 CheckActivateTaskItem(TaskItem
);
1023 BOOL
ActivateTask(IN HWND hWnd
)
1025 PTASK_ITEM TaskItem
;
1029 return ActivateTaskItem(NULL
);
1032 TaskItem
= FindTaskItem(hWnd
);
1033 if (TaskItem
== NULL
)
1035 TaskItem
= FindOtherTaskItem(hWnd
);
1038 if (TaskItem
== NULL
)
1040 WARN("Activate window 0x%p, could not find task\n", hWnd
);
1041 RefreshWindowList();
1044 return ActivateTaskItem(TaskItem
);
1047 BOOL
DeleteTask(IN HWND hWnd
)
1049 PTASK_ITEM TaskItem
;
1051 TaskItem
= FindTaskItem(hWnd
);
1052 if (TaskItem
!= NULL
)
1054 TRACE("Delete window 0x%p on button %d\n", hWnd
, TaskItem
->Index
);
1055 DeleteTaskItem(TaskItem
);
1059 //TRACE("Failed to delete window 0x%p\n", hWnd);
1064 VOID
DeleteAllTasks()
1066 PTASK_ITEM CurrentTask
;
1068 if (m_TaskItemCount
> 0)
1070 CurrentTask
= m_TaskItems
+ m_TaskItemCount
;
1073 DeleteTaskItem(--CurrentTask
);
1074 } while (CurrentTask
!= m_TaskItems
);
1078 VOID
FlashTaskItem(IN OUT PTASK_ITEM TaskItem
)
1080 TaskItem
->RenderFlashed
= 1;
1081 UpdateTaskItemButton(TaskItem
);
1084 BOOL
FlashTask(IN HWND hWnd
)
1086 PTASK_ITEM TaskItem
;
1088 TaskItem
= FindTaskItem(hWnd
);
1089 if (TaskItem
!= NULL
)
1091 TRACE("Flashing window 0x%p on button %d\n", hWnd
, TaskItem
->Index
);
1092 FlashTaskItem(TaskItem
);
1099 VOID
RedrawTaskItem(IN OUT PTASK_ITEM TaskItem
)
1101 PTASK_GROUP TaskGroup
;
1103 TaskGroup
= TaskItem
->Group
;
1104 if (m_IsGroupingEnabled
&& TaskGroup
!= NULL
)
1106 if (TaskGroup
->IsCollapsed
&& TaskGroup
->Index
>= 0)
1108 UpdateTaskGroupButton(TaskGroup
);
1110 else if (TaskItem
->Index
>= 0)
1112 goto UpdateTaskItem
;
1115 else if (TaskItem
->Index
>= 0)
1118 TaskItem
->RenderFlashed
= 0;
1119 UpdateTaskItemButton(TaskItem
);
1124 BOOL
RedrawTask(IN HWND hWnd
)
1126 PTASK_ITEM TaskItem
;
1128 TaskItem
= FindTaskItem(hWnd
);
1129 if (TaskItem
!= NULL
)
1131 RedrawTaskItem(TaskItem
);
1138 VOID
UpdateButtonsSize(IN BOOL bRedrawDisabled
)
1141 UINT uiRows
, uiMax
, uiMin
, uiBtnsPerLine
, ui
;
1145 /* Update the size of the image list if needed */
1147 ImageList_GetIconSize(m_ImageList
, &cx
, &cy
);
1148 if (cx
!= GetSystemMetrics(SM_CXSMICON
) || cy
!= GetSystemMetrics(SM_CYSMICON
))
1150 ImageList_SetIconSize(m_ImageList
, GetSystemMetrics(SM_CXSMICON
), GetSystemMetrics(SM_CYSMICON
));
1152 /* SetIconSize removes all icons so we have to reinsert them */
1153 PTASK_ITEM TaskItem
= m_TaskItems
;
1154 PTASK_ITEM LastTaskItem
= m_TaskItems
+ m_TaskItemCount
;
1155 while (TaskItem
!= LastTaskItem
)
1157 TaskItem
->IconIndex
= -1;
1158 UpdateTaskItemButton(TaskItem
);
1162 m_TaskBar
.SetImageList(m_ImageList
);
1165 if (GetClientRect(&rcClient
) && !IsRectEmpty(&rcClient
))
1167 if (m_ButtonCount
> 0)
1169 Horizontal
= m_Tray
->IsHorizontal();
1173 TBMETRICS tbm
= { 0 };
1174 tbm
.cbSize
= sizeof(tbm
);
1175 tbm
.dwMask
= TBMF_BUTTONSPACING
;
1176 m_TaskBar
.GetMetrics(&tbm
);
1178 if (m_ButtonSize
.cy
+ tbm
.cyButtonSpacing
!= 0)
1179 uiRows
= (rcClient
.bottom
+ tbm
.cyButtonSpacing
) / (m_ButtonSize
.cy
+ tbm
.cyButtonSpacing
);
1186 uiBtnsPerLine
= (m_ButtonCount
+ uiRows
- 1) / uiRows
;
1191 uiRows
= m_ButtonCount
;
1194 if (!bRedrawDisabled
)
1195 m_TaskBar
.BeginUpdate();
1197 /* We might need to update the button spacing */
1198 int cxButtonSpacing
= m_TaskBar
.UpdateTbButtonSpacing(
1199 Horizontal
, m_Theme
!= NULL
,
1200 uiRows
, uiBtnsPerLine
);
1202 /* Determine the minimum and maximum width of a button */
1203 uiMin
= GetSystemMetrics(SM_CXSIZE
) + (2 * GetSystemMetrics(SM_CXEDGE
));
1206 uiMax
= GetSystemMetrics(SM_CXMINIMIZED
);
1208 /* Calculate the ideal width and make sure it's within the allowed range */
1209 NewBtnSize
= (rcClient
.right
- (uiBtnsPerLine
* cxButtonSpacing
)) / uiBtnsPerLine
;
1211 if (NewBtnSize
< (LONG
) uiMin
)
1213 if (NewBtnSize
>(LONG
)uiMax
)
1216 /* Recalculate how many buttons actually fit into one line */
1217 uiBtnsPerLine
= rcClient
.right
/ (NewBtnSize
+ cxButtonSpacing
);
1218 if (uiBtnsPerLine
== 0)
1223 NewBtnSize
= uiMax
= rcClient
.right
;
1226 m_ButtonSize
.cx
= NewBtnSize
;
1228 m_ButtonsPerLine
= uiBtnsPerLine
;
1230 for (ui
= 0; ui
!= m_ButtonCount
; ui
++)
1232 TBBUTTONINFOW tbbi
= { 0 };
1233 tbbi
.cbSize
= sizeof(tbbi
);
1234 tbbi
.dwMask
= TBIF_BYINDEX
| TBIF_SIZE
| TBIF_STATE
;
1235 tbbi
.cx
= (INT
) NewBtnSize
;
1236 tbbi
.fsState
= TBSTATE_ENABLED
;
1238 /* Check if we're updating a button that is the last one in the
1239 line. If so, we need to set the TBSTATE_WRAP flag! */
1242 if ((ui
+ 1) % uiBtnsPerLine
== 0)
1243 tbbi
.fsState
|= TBSTATE_WRAP
;
1247 tbbi
.fsState
|= TBSTATE_WRAP
;
1250 if (m_ActiveTaskItem
!= NULL
&&
1251 m_ActiveTaskItem
->Index
== (INT
)ui
)
1253 tbbi
.fsState
|= TBSTATE_CHECKED
;
1256 m_TaskBar
.SetButtonInfo(ui
, &tbbi
);
1261 m_ButtonsPerLine
= 0;
1262 m_ButtonSize
.cx
= 0;
1266 // FIXME: This seems to be enabling redraws prematurely, but moving it to its right place doesn't work!
1267 m_TaskBar
.EndUpdate();
1270 BOOL CALLBACK
EnumWindowsProc(IN HWND hWnd
)
1272 /* Only show windows that still exist and are visible and none of explorer's
1273 special windows (such as the desktop or the tray window) */
1274 if (::IsWindow(hWnd
) && ::IsWindowVisible(hWnd
) &&
1275 !m_Tray
->IsSpecialHWND(hWnd
))
1277 DWORD exStyle
= ::GetWindowLong(hWnd
, GWL_EXSTYLE
);
1278 /* Don't list popup windows and also no tool windows */
1279 if ((::GetWindow(hWnd
, GW_OWNER
) == NULL
|| exStyle
& WS_EX_APPWINDOW
) &&
1280 !(exStyle
& WS_EX_TOOLWINDOW
))
1282 TRACE("Adding task for %p...\n", hWnd
);
1291 static BOOL CALLBACK
s_EnumWindowsProc(IN HWND hWnd
, IN LPARAM lParam
)
1293 CTaskSwitchWnd
* This
= (CTaskSwitchWnd
*) lParam
;
1295 return This
->EnumWindowsProc(hWnd
);
1298 BOOL
RefreshWindowList()
1300 TRACE("Refreshing window list...\n");
1301 /* Add all windows to the toolbar */
1302 return EnumWindows(s_EnumWindowsProc
, (LPARAM
)this);
1305 LRESULT
OnThemeChanged(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
1307 TRACE("OmThemeChanged\n");
1310 CloseThemeData(m_Theme
);
1312 if (IsThemeActive())
1313 m_Theme
= OpenThemeData(m_hWnd
, L
"TaskBand");
1320 LRESULT
OnCreate(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
1322 if (!m_TaskBar
.Initialize(m_hWnd
))
1325 SetWindowTheme(m_TaskBar
.m_hWnd
, L
"TaskBand", NULL
);
1327 m_ImageList
= ImageList_Create(GetSystemMetrics(SM_CXSMICON
), GetSystemMetrics(SM_CYSMICON
), ILC_COLOR32
| ILC_MASK
, 0, 1000);
1328 m_TaskBar
.SetImageList(m_ImageList
);
1330 /* Set proper spacing between buttons */
1331 m_TaskBar
.UpdateTbButtonSpacing(m_Tray
->IsHorizontal(), m_Theme
!= NULL
);
1333 /* Register the shell hook */
1334 m_ShellHookMsg
= RegisterWindowMessageW(L
"SHELLHOOK");
1336 TRACE("ShellHookMsg got assigned number %d\n", m_ShellHookMsg
);
1338 RegisterShellHook(m_hWnd
, 3); /* 1 if no NT! We're targeting NT so we don't care! */
1340 RefreshWindowList();
1342 /* Recalculate the button size */
1343 UpdateButtonsSize(FALSE
);
1346 SetTimer(hwnd
, 1, 5000, NULL
);
1351 LRESULT
OnDestroy(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
1353 m_IsDestroying
= TRUE
;
1355 /* Unregister the shell hook */
1356 RegisterShellHook(m_hWnd
, FALSE
);
1358 CloseThemeData(m_Theme
);
1363 BOOL
HandleAppCommand(IN WPARAM wParam
, IN LPARAM lParam
)
1367 switch (GET_APPCOMMAND_LPARAM(lParam
))
1369 case APPCOMMAND_BROWSER_SEARCH
:
1370 Ret
= SHFindFiles(NULL
,
1374 case APPCOMMAND_BROWSER_HOME
:
1375 case APPCOMMAND_LAUNCH_MAIL
:
1377 TRACE("Shell app command %d unhandled!\n", (INT
) GET_APPCOMMAND_LPARAM(lParam
));
1384 LRESULT
OnShellHook(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
1388 /* In case the shell hook wasn't registered properly, ignore WM_NULLs*/
1395 TRACE("Received shell hook message: wParam=%08lx, lParam=%08lx\n", wParam
, lParam
);
1397 switch ((INT
) wParam
)
1399 case HSHELL_APPCOMMAND
:
1400 Ret
= HandleAppCommand(wParam
, lParam
);
1403 case HSHELL_WINDOWCREATED
:
1404 AddTask((HWND
) lParam
);
1407 case HSHELL_WINDOWDESTROYED
:
1408 /* The window still exists! Delay destroying it a bit */
1409 DeleteTask((HWND
) lParam
);
1412 case HSHELL_RUDEAPPACTIVATED
:
1413 case HSHELL_WINDOWACTIVATED
:
1414 ActivateTask((HWND
) lParam
);
1418 FlashTask((HWND
) lParam
);
1422 RedrawTask((HWND
) lParam
);
1425 case HSHELL_TASKMAN
:
1426 ::PostMessage(m_Tray
->GetHWND(), TWM_OPENSTARTMENU
, 0, 0);
1429 case HSHELL_ACTIVATESHELLWINDOW
:
1430 case HSHELL_LANGUAGE
:
1431 case HSHELL_SYSMENU
:
1432 case HSHELL_ENDTASK
:
1433 case HSHELL_ACCESSIBILITYSTATE
:
1434 case HSHELL_WINDOWREPLACED
:
1435 case HSHELL_WINDOWREPLACING
:
1437 case HSHELL_GETMINRECT
:
1440 #if DEBUG_SHELL_HOOK
1442 for (i
= 0, found
= 0; i
!= _countof(hshell_msg
); i
++)
1444 if (hshell_msg
[i
].msg
== (INT
) wParam
)
1446 TRACE("Shell message %ws unhandled (lParam = 0x%p)!\n", hshell_msg
[i
].msg_name
, lParam
);
1454 TRACE("Shell message %d unhandled (lParam = 0x%p)!\n", (INT
) wParam
, lParam
);
1462 VOID
HandleTaskItemClick(IN OUT PTASK_ITEM TaskItem
)
1467 if (::IsWindow(TaskItem
->hWnd
))
1469 bIsMinimized
= ::IsIconic(TaskItem
->hWnd
);
1470 bIsActive
= (TaskItem
== m_ActiveTaskItem
);
1472 TRACE("Active TaskItem %p, selected TaskItem %p\n", m_ActiveTaskItem
, TaskItem
);
1473 if (m_ActiveTaskItem
)
1474 TRACE("Active TaskItem hWnd=%p, TaskItem hWnd %p\n", m_ActiveTaskItem
->hWnd
, TaskItem
->hWnd
);
1476 TRACE("Valid button clicked. HWND=%p, IsMinimized=%s, IsActive=%s...\n",
1477 TaskItem
->hWnd
, bIsMinimized
? "Yes" : "No", bIsActive
? "Yes" : "No");
1479 if (!bIsMinimized
&& bIsActive
)
1481 ::PostMessage(TaskItem
->hWnd
,
1485 TRACE("Valid button clicked. App window Minimized.\n");
1491 ::PostMessage(TaskItem
->hWnd
,
1495 TRACE("Valid button clicked. App window Restored.\n");
1498 SetForegroundWindow(TaskItem
->hWnd
);
1499 TRACE("Valid button clicked. App window Activated.\n");
1504 VOID
HandleTaskGroupClick(IN OUT PTASK_GROUP TaskGroup
)
1506 /* TODO: Show task group menu */
1509 BOOL
HandleButtonClick(IN WORD wIndex
)
1511 PTASK_ITEM TaskItem
;
1512 PTASK_GROUP TaskGroup
;
1514 if (m_IsGroupingEnabled
)
1516 TaskGroup
= FindTaskGroupByIndex((INT
) wIndex
);
1517 if (TaskGroup
!= NULL
&& TaskGroup
->IsCollapsed
)
1519 HandleTaskGroupClick(TaskGroup
);
1524 TaskItem
= FindTaskItemByIndex((INT
) wIndex
);
1525 if (TaskItem
!= NULL
)
1527 HandleTaskItemClick(TaskItem
);
1535 VOID
HandleTaskItemRightClick(IN OUT PTASK_ITEM TaskItem
)
1540 SetForegroundWindow(TaskItem
->hWnd
);
1542 ActivateTask(TaskItem
->hWnd
);
1544 ::SendMessageW(TaskItem
->hWnd
, WM_POPUPSYSTEMMENU
, 0, MAKELPARAM(pt
.x
, pt
.y
));
1547 VOID
HandleTaskGroupRightClick(IN OUT PTASK_GROUP TaskGroup
)
1549 /* TODO: Show task group right click menu */
1552 BOOL
HandleButtonRightClick(IN WORD wIndex
)
1554 PTASK_ITEM TaskItem
;
1555 PTASK_GROUP TaskGroup
;
1556 if (m_IsGroupingEnabled
)
1558 TaskGroup
= FindTaskGroupByIndex((INT
) wIndex
);
1559 if (TaskGroup
!= NULL
&& TaskGroup
->IsCollapsed
)
1561 HandleTaskGroupRightClick(TaskGroup
);
1566 TaskItem
= FindTaskItemByIndex((INT
) wIndex
);
1568 if (TaskItem
!= NULL
)
1570 HandleTaskItemRightClick(TaskItem
);
1578 LRESULT
HandleItemPaint(IN OUT NMTBCUSTOMDRAW
*nmtbcd
)
1580 LRESULT Ret
= CDRF_DODEFAULT
;
1581 PTASK_GROUP TaskGroup
;
1582 PTASK_ITEM TaskItem
;
1584 TaskItem
= FindTaskItemByIndex((INT
) nmtbcd
->nmcd
.dwItemSpec
);
1585 TaskGroup
= FindTaskGroupByIndex((INT
) nmtbcd
->nmcd
.dwItemSpec
);
1586 if (TaskGroup
== NULL
&& TaskItem
!= NULL
)
1588 ASSERT(TaskItem
!= NULL
);
1590 if (TaskItem
!= NULL
&& ::IsWindow(TaskItem
->hWnd
))
1592 /* Make the entire button flashing if necessary */
1593 if (nmtbcd
->nmcd
.uItemState
& CDIS_MARKED
)
1595 Ret
= TBCDRF_NOBACKGROUND
;
1598 SelectObject(nmtbcd
->nmcd
.hdc
, GetSysColorBrush(COLOR_HIGHLIGHT
));
1599 Rectangle(nmtbcd
->nmcd
.hdc
,
1600 nmtbcd
->nmcd
.rc
.left
,
1601 nmtbcd
->nmcd
.rc
.top
,
1602 nmtbcd
->nmcd
.rc
.right
,
1603 nmtbcd
->nmcd
.rc
.bottom
);
1607 DrawThemeBackground(m_Theme
, nmtbcd
->nmcd
.hdc
, TDP_FLASHBUTTON
, 0, &nmtbcd
->nmcd
.rc
, 0);
1609 nmtbcd
->clrText
= GetSysColor(COLOR_HIGHLIGHTTEXT
);
1614 else if (TaskGroup
!= NULL
)
1616 /* FIXME: Implement painting for task groups */
1621 LRESULT
HandleToolbarNotification(IN
const NMHDR
*nmh
)
1629 LPNMTBCUSTOMDRAW nmtbcd
= (LPNMTBCUSTOMDRAW
) nmh
;
1631 switch (nmtbcd
->nmcd
.dwDrawStage
)
1634 case CDDS_ITEMPREPAINT
:
1635 Ret
= HandleItemPaint(nmtbcd
);
1639 Ret
= CDRF_NOTIFYITEMDRAW
;
1643 Ret
= CDRF_DODEFAULT
;
1653 LRESULT
OnEraseBackground(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
1655 HDC hdc
= (HDC
) wParam
;
1664 GetClientRect(&rect
);
1665 DrawThemeParentBackground(m_hWnd
, hdc
, &rect
);
1670 LRESULT
OnSize(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
1674 szClient
.cx
= LOWORD(lParam
);
1675 szClient
.cy
= HIWORD(lParam
);
1676 if (m_TaskBar
.m_hWnd
!= NULL
)
1678 m_TaskBar
.SetWindowPos(NULL
, 0, 0, szClient
.cx
, szClient
.cy
, SWP_NOZORDER
);
1680 UpdateButtonsSize(FALSE
);
1685 LRESULT
OnNcHitTest(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
1688 /* We want the tray window to be draggable everywhere, so make the control
1689 appear transparent */
1690 Ret
= DefWindowProc(uMsg
, wParam
, lParam
);
1691 if (Ret
!= HTVSCROLL
&& Ret
!= HTHSCROLL
)
1692 Ret
= HTTRANSPARENT
;
1696 LRESULT
OnCommand(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
1699 if (lParam
!= 0 && (HWND
) lParam
== m_TaskBar
.m_hWnd
)
1701 HandleButtonClick(LOWORD(wParam
));
1706 LRESULT
OnNotify(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
1709 const NMHDR
*nmh
= (const NMHDR
*) lParam
;
1711 if (nmh
->hwndFrom
== m_TaskBar
.m_hWnd
)
1713 Ret
= HandleToolbarNotification(nmh
);
1718 LRESULT
OnEnableGrouping(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
1720 LRESULT Ret
= m_IsGroupingEnabled
;
1721 if ((BOOL
)wParam
!= m_IsGroupingEnabled
)
1723 m_IsGroupingEnabled
= (BOOL
)wParam
;
1725 /* Collapse or expand groups if necessary */
1726 UpdateButtonsSize(FALSE
);
1731 LRESULT
OnUpdateTaskbarPos(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
1733 /* Update the button spacing */
1734 m_TaskBar
.UpdateTbButtonSpacing(m_Tray
->IsHorizontal(), m_Theme
!= NULL
);
1738 LRESULT
OnContextMenu(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
1743 if (m_TaskBar
.m_hWnd
!= NULL
)
1747 pt
.x
= GET_X_LPARAM(lParam
);
1748 pt
.y
= GET_Y_LPARAM(lParam
);
1750 ::ScreenToClient(m_TaskBar
.m_hWnd
, &pt
);
1752 iBtn
= m_TaskBar
.HitTest(&pt
);
1755 HandleButtonRightClick(iBtn
);
1760 /* Not on a taskbar button, so forward message to tray */
1761 Ret
= SendMessage(m_Tray
->GetHWND(), uMsg
, wParam
, lParam
);
1766 LRESULT
OnKludgeItemRect(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
1768 PTASK_ITEM TaskItem
= FindTaskItem((HWND
) wParam
);
1771 RECT
* prcMinRect
= (RECT
*) lParam
;
1772 RECT rcItem
, rcToolbar
;
1773 m_TaskBar
.GetItemRect(TaskItem
->Index
, &rcItem
);
1774 m_TaskBar
.GetWindowRect(&rcToolbar
);
1776 OffsetRect(&rcItem
, rcToolbar
.left
, rcToolbar
.top
);
1778 *prcMinRect
= rcItem
;
1784 LRESULT
OnMouseActivate(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
1786 return MA_NOACTIVATE
;
1789 LRESULT
OnTimer(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
1802 LRESULT
OnSetFont(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
1804 return m_TaskBar
.SendMessageW(uMsg
, wParam
, lParam
);
1807 LRESULT
OnSettingChanged(UINT uMsg
, WPARAM wParam
, LPARAM lParam
, BOOL
& bHandled
)
1809 if (wParam
== SPI_SETNONCLIENTMETRICS
)
1811 /* Don't update the font, this will be done when we get a WM_SETFONT from our parent */
1812 UpdateButtonsSize(FALSE
);
1818 DECLARE_WND_CLASS_EX(szTaskSwitchWndClass
, CS_DBLCLKS
, COLOR_3DFACE
)
1820 BEGIN_MSG_MAP(CTaskSwitchWnd
)
1821 MESSAGE_HANDLER(WM_THEMECHANGED
, OnThemeChanged
)
1822 MESSAGE_HANDLER(WM_ERASEBKGND
, OnEraseBackground
)
1823 MESSAGE_HANDLER(WM_SIZE
, OnSize
)
1824 MESSAGE_HANDLER(WM_CREATE
, OnCreate
)
1825 MESSAGE_HANDLER(WM_DESTROY
, OnDestroy
)
1826 MESSAGE_HANDLER(WM_NCHITTEST
, OnNcHitTest
)
1827 MESSAGE_HANDLER(WM_COMMAND
, OnCommand
)
1828 MESSAGE_HANDLER(WM_NOTIFY
, OnNotify
)
1829 MESSAGE_HANDLER(TSWM_ENABLEGROUPING
, OnEnableGrouping
)
1830 MESSAGE_HANDLER(TSWM_UPDATETASKBARPOS
, OnUpdateTaskbarPos
)
1831 MESSAGE_HANDLER(WM_CONTEXTMENU
, OnContextMenu
)
1832 MESSAGE_HANDLER(WM_TIMER
, OnTimer
)
1833 MESSAGE_HANDLER(WM_SETFONT
, OnSetFont
)
1834 MESSAGE_HANDLER(WM_SETTINGCHANGE
, OnSettingChanged
)
1835 MESSAGE_HANDLER(m_ShellHookMsg
, OnShellHook
)
1836 MESSAGE_HANDLER(WM_MOUSEACTIVATE
, OnMouseActivate
)
1837 MESSAGE_HANDLER(WM_KLUDGEMINRECT
, OnKludgeItemRect
)
1840 HWND
_Init(IN HWND hWndParent
, IN OUT ITrayWindow
*tray
)
1843 m_IsGroupingEnabled
= TRUE
; /* FIXME */
1844 return Create(hWndParent
, 0, szRunningApps
, WS_CHILD
| WS_VISIBLE
| WS_CLIPSIBLINGS
| WS_CLIPCHILDREN
| WS_TABSTOP
);
1849 CreateTaskSwitchWnd(IN HWND hWndParent
, IN OUT ITrayWindow
*Tray
)
1851 CTaskSwitchWnd
* instance
;
1853 // TODO: Destroy after the window is destroyed
1854 instance
= new CTaskSwitchWnd();
1856 return instance
->_Init(hWndParent
, Tray
);