1 #pragma once
2
3 typedef struct _CVR // Tag Ussw
4 {
5 WINDOWPOS pos;
6 LONG xClientNew;
7 LONG yClientNew;
8 LONG cxClientNew;
9 LONG cyClientNew;
10 RECT rcBlt;
11 LONG dxBlt;
12 LONG dyBlt;
13 UINT fsRE;
14 HRGN hrgnVisOld;
15 PTHREADINFO pti;
16 HRGN hrgnClip;
17 HRGN hrgnInterMonitor;
18 } CVR, *PCVR;
19
20 typedef struct _SMWP
21 {
22 HEAD head;
23 UINT bShellNotify:1;
24 UINT bHandle:1;
25 INT ccvr;
26 INT ccvrAlloc;
27 PCVR acvr;
28 } SMWP, *PSMWP;
29
IntPtInWindow(PWND pwnd,INT x,INT y)30 FORCEINLINE BOOL IntPtInWindow(PWND pwnd, INT x, INT y)
31 {
32 if(!RECTL_bPointInRect(&pwnd->rcWindow, x, y))
33 {
34 return FALSE;
35 }
36
37 if(!pwnd->hrgnClip || pwnd->style & WS_MINIMIZE)
38 {
39 return TRUE;
40 }
41
42 return NtGdiPtInRegion(pwnd->hrgnClip,
43 x - pwnd->rcWindow.left,
44 y - pwnd->rcWindow.top);
45 }
46
47 FORCEINLINE BOOL
IntEqualRect(RECTL * lprc1,RECTL * lprc2)48 IntEqualRect(RECTL *lprc1, RECTL *lprc2)
49 {
50 if (lprc1 == NULL || lprc2 == NULL)
51 return FALSE;
52
53 return (lprc1->left == lprc2->left) && (lprc1->top == lprc2->top) &&
54 (lprc1->right == lprc2->right) && (lprc1->bottom == lprc2->bottom);
55 }
56
57 BOOL FASTCALL ActivateOtherWindowMin(PWND);
58 UINT FASTCALL co_WinPosArrangeIconicWindows(PWND parent);
59 BOOL FASTCALL IntGetClientOrigin(PWND Window, LPPOINT Point);
60 LRESULT FASTCALL co_WinPosGetNonClientSize(PWND Window, RECTL* WindowRect, RECTL* ClientRect);
61 UINT FASTCALL co_WinPosGetMinMaxInfo(PWND Window, POINT* MaxSize, POINT* MaxPos, POINT* MinTrack, POINT* MaxTrack);
62 UINT FASTCALL co_WinPosMinMaximize(PWND WindowObject, UINT ShowFlag, RECTL* NewPos);
63 BOOLEAN FASTCALL co_WinPosSetWindowPos(PWND Wnd, HWND WndInsertAfter, INT x, INT y, INT cx, INT cy, UINT flags);
64 BOOLEAN FASTCALL co_WinPosShowWindow(PWND Window, INT Cmd);
65 void FASTCALL co_WinPosSendSizeMove(PWND Window);
66 PWND APIENTRY co_WinPosWindowFromPoint(IN PWND ScopeWin, IN POINT *WinPoint, IN OUT USHORT* HitTest, IN BOOL Ignore);
67 VOID FASTCALL co_WinPosActivateOtherWindow(PWND);
68 PWND FASTCALL IntRealChildWindowFromPoint(PWND,LONG,LONG);
69 BOOL FASTCALL IntScreenToClient(PWND,LPPOINT);
70 BOOL FASTCALL IntClientToScreen(PWND,LPPOINT);
71 BOOL FASTCALL IntGetWindowRect(PWND,RECTL*);
72 BOOL UserHasWindowEdge(DWORD,DWORD);
73 VOID UserGetWindowBorders(DWORD,DWORD,SIZE*,BOOL);
74
75 UINT FASTCALL IntGetWindowSnapEdge(PWND Wnd);
76 VOID FASTCALL co_IntCalculateSnapPosition(PWND Wnd, UINT Edge, OUT RECT *Pos);
77 VOID FASTCALL co_IntSnapWindow(PWND Wnd, UINT Edge);
78 VOID FASTCALL IntSetSnapEdge(PWND Wnd, UINT Edge);
79 VOID FASTCALL IntSetSnapInfo(PWND Wnd, UINT Edge, IN const RECT *Pos OPTIONAL);
80
81 FORCEINLINE VOID
co_IntUnsnapWindow(PWND Wnd)82 co_IntUnsnapWindow(PWND Wnd)
83 {
84 co_IntSnapWindow(Wnd, HTNOWHERE);
85 }
86
87 FORCEINLINE BOOLEAN
IntIsWindowSnapped(PWND Wnd)88 IntIsWindowSnapped(PWND Wnd)
89 {
90 return (Wnd->ExStyle2 & (WS_EX2_VERTICALLYMAXIMIZEDLEFT | WS_EX2_VERTICALLYMAXIMIZEDRIGHT)) != 0;
91 }
92
93 FORCEINLINE BOOLEAN
IntIsSnapAllowedForWindow(PWND Wnd)94 IntIsSnapAllowedForWindow(PWND Wnd)
95 {
96 /* We want to forbid snapping operations on the TaskBar and on child windows.
97 * We use a heuristic for detecting the TaskBar by its typical Style & ExStyle. */
98 const UINT style = Wnd->style;
99 const UINT tbws = WS_POPUP | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
100 const UINT tbes = WS_EX_TOOLWINDOW;
101 BOOLEAN istb = (style & tbws) == tbws && (Wnd->ExStyle & (tbes | WS_EX_APPWINDOW)) == tbes;
102 BOOLEAN thickframe = (style & WS_THICKFRAME) && (style & (WS_DLGFRAME | WS_BORDER)) != WS_DLGFRAME;
103 return thickframe && !(style & WS_CHILD) && !istb;
104 }
105