dlls/user32/win.h

   1 /*
   2  * Window definitions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *
   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.
  10  *
  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.
  15  *
  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 St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #ifndef __WINE_WIN_H
  22 #define __WINE_WIN_H
  23
  24 #include <stdarg.h>
  25 #include <windef.h>
  26 #include <winbase.h>
  27 #include <wingdi.h>
  28 #include <winuser.h>
  29
  30 #include "user_private.h"
  31 #include "wine/server_protocol.h"
  32
  33 struct tagCLASS;
  34 struct tagDIALOGINFO;
  35
  36 typedef struct tagWND
  37 {
  38     struct user_object obj;       /* object header */
  39     HWND           parent;        /* Window parent */
  40     HWND           owner;         /* Window owner */
  41     struct tagCLASS *class;       /* Window class */
  42     struct dce    *dce;           /* DCE pointer */
  43     WNDPROC        winproc;       /* Window procedure */
  44     DWORD          tid;           /* Owner thread id */
  45     HINSTANCE      hInstance;     /* Window hInstance (from CreateWindow) */
  46     RECT           client_rect;   /* Client area rel. to parent client area */
  47     RECT           window_rect;   /* Whole window rel. to parent client area */
  48     RECT           visible_rect;  /* Visible part of the whole rect, rel. to parent client area */
  49     RECT           normal_rect;   /* Normal window rect saved when maximized/minimized */
  50     POINT          min_pos;       /* Position for minimized window */
  51     POINT          max_pos;       /* Position for maximized window */
  52     LPWSTR         text;          /* Window text */
  53     void          *pScroll;       /* Scroll-bar info */
  54     DWORD          dwStyle;       /* Window style (from CreateWindow) */
  55     DWORD          dwExStyle;     /* Extended style (from CreateWindowEx) */
  56     UINT_PTR       wIDmenu;       /* ID or hmenu (from CreateWindow) */
  57     DWORD          helpContext;   /* Help context ID */
  58     UINT           flags;         /* Misc. flags (see below) */
  59     HMENU          hSysMenu;      /* window's copy of System Menu */
  60     HICON          hIcon;         /* window's icon */
  61     HICON          hIconSmall;    /* window's small icon */
  62     HICON          hIconSmall2;   /* window's secondary small icon, derived from hIcon */
  63     UINT           dpi;           /* window DPI */
  64     DPI_AWARENESS  dpi_awareness; /* DPI awareness */
  65     struct window_surface *surface; /* Window surface if any */
  66     struct tagDIALOGINFO *dlgInfo;/* Dialog additional info (dialogs only) */
  67     int            pixel_format;  /* Pixel format set by the graphics driver */
  68     int            cbWndExtra;    /* class cbWndExtra at window creation */
  69     DWORD_PTR      userdata;      /* User private data */
  70     DWORD          wExtra[1];     /* Window extra bytes */
  71 } WND;
  72
  73   /* WND flags values */
  74 #define WIN_RESTORE_MAX           0x0001 /* Maximize when restoring */
  75 #define WIN_NEED_SIZE             0x0002 /* Internal WM_SIZE is needed */
  76 #define WIN_NCACTIVATED           0x0004 /* last WM_NCACTIVATE was positive */
  77 #define WIN_ISMDICLIENT           0x0008 /* Window is an MDIClient */
  78 #define WIN_ISUNICODE             0x0010 /* Window is Unicode */
  79 #define WIN_NEEDS_SHOW_OWNEDPOPUP 0x0020 /* WM_SHOWWINDOW:SC_SHOW must be sent in the next ShowOwnedPopup call */
  80 #define WIN_CHILDREN_MOVED        0x0040 /* children may have moved, ignore stored positions */
  81 #define WIN_HAS_IME_WIN           0x0080 /* the window has been registered with imm32 */
  82
  83   /* Window functions */
  84 extern HWND get_hwnd_message_parent(void) DECLSPEC_HIDDEN;
  85 extern BOOL is_desktop_window( HWND hwnd ) DECLSPEC_HIDDEN;
  86 extern struct window_surface dummy_surface DECLSPEC_HIDDEN;
  87 extern void register_window_surface( struct window_surface *old, struct window_surface *new ) DECLSPEC_HIDDEN;
  88 extern void flush_window_surfaces( BOOL idle ) DECLSPEC_HIDDEN;
  89 extern WND *WIN_GetPtr( HWND hwnd ) DECLSPEC_HIDDEN;
  90 extern HWND WIN_GetFullHandle( HWND hwnd ) DECLSPEC_HIDDEN;
  91 extern HWND WIN_IsCurrentProcess( HWND hwnd ) DECLSPEC_HIDDEN;
  92 extern HWND WIN_IsCurrentThread( HWND hwnd ) DECLSPEC_HIDDEN;
  93 extern UINT win_set_flags( HWND hwnd, UINT set_mask, UINT clear_mask ) DECLSPEC_HIDDEN;
  94 extern ULONG WIN_SetStyle( HWND hwnd, ULONG set_bits, ULONG clear_bits ) DECLSPEC_HIDDEN;
  95 extern BOOL WIN_GetRectangles( HWND hwnd, enum coords_relative relative, RECT *rectWindow, RECT *rectClient ) DECLSPEC_HIDDEN;
  96 extern void map_window_region( HWND from, HWND to, HRGN hrgn ) DECLSPEC_HIDDEN;
  97 extern LRESULT WIN_DestroyWindow( HWND hwnd ) DECLSPEC_HIDDEN;
  98 extern void destroy_thread_windows(void) DECLSPEC_HIDDEN;
  99 extern HWND WIN_CreateWindowEx( CREATESTRUCTW *cs, LPCWSTR className, HINSTANCE module, BOOL unicode ) DECLSPEC_HIDDEN;
 100 extern BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL ) DECLSPEC_HIDDEN;
 101 extern HWND *WIN_ListChildren( HWND hwnd ) DECLSPEC_HIDDEN;
 102 extern LONG_PTR WIN_SetWindowLong( HWND hwnd, INT offset, UINT size, LONG_PTR newval, BOOL unicode ) DECLSPEC_HIDDEN;
 103 extern void MDI_CalcDefaultChildPos( HWND hwndClient, INT total, LPPOINT lpPos, INT delta, UINT *id ) DECLSPEC_HIDDEN;
 104 extern HDESK open_winstation_desktop( HWINSTA hwinsta, LPCWSTR name, DWORD flags, BOOL inherit, ACCESS_MASK access ) DECLSPEC_HIDDEN;
 105
 106 /* user lock */
 107 extern void USER_Lock(void) DECLSPEC_HIDDEN;
 108 extern void USER_Unlock(void) DECLSPEC_HIDDEN;
 109
 110 /* to release pointers retrieved by WIN_GetPtr */
 111 static inline void WIN_ReleasePtr( WND *ptr )
 112 {
 113     USER_Unlock();
 114 }
 115
 116 #define WND_OTHER_PROCESS ((WND *)1)  /* returned by WIN_GetPtr on unknown window handles */
 117 #define WND_DESKTOP       ((WND *)2)  /* returned by WIN_GetPtr on the desktop window */
 118
 119 extern LRESULT HOOK_CallHooks( INT id, INT code, WPARAM wparam, LPARAM lparam, BOOL unicode ) DECLSPEC_HIDDEN;
 120
 121 extern MINMAXINFO WINPOS_GetMinMaxInfo( HWND hwnd ) DECLSPEC_HIDDEN;
 122 extern LONG WINPOS_HandleWindowPosChanging(HWND hwnd, WINDOWPOS *winpos) DECLSPEC_HIDDEN;
 123 extern HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest ) DECLSPEC_HIDDEN;
 124 extern void WINPOS_ActivateOtherWindow( HWND hwnd ) DECLSPEC_HIDDEN;
 125 extern UINT WINPOS_MinMaximize( HWND hwnd, UINT cmd, LPRECT rect ) DECLSPEC_HIDDEN;
 126 extern void WINPOS_SysCommandSizeMove( HWND hwnd, WPARAM wParam ) DECLSPEC_HIDDEN;
 127
 128 extern UINT get_monitor_dpi( HMONITOR monitor ) DECLSPEC_HIDDEN;
 129 extern UINT get_win_monitor_dpi( HWND hwnd ) DECLSPEC_HIDDEN;
 130 extern UINT get_thread_dpi(void) DECLSPEC_HIDDEN;
 131 extern POINT map_dpi_point( POINT pt, UINT dpi_from, UINT dpi_to ) DECLSPEC_HIDDEN;
 132 extern POINT point_win_to_phys_dpi( HWND hwnd, POINT pt ) DECLSPEC_HIDDEN;
 133 extern POINT point_phys_to_win_dpi( HWND hwnd, POINT pt ) DECLSPEC_HIDDEN;
 134 extern POINT point_win_to_thread_dpi( HWND hwnd, POINT pt ) DECLSPEC_HIDDEN;
 135 extern POINT point_thread_to_win_dpi( HWND hwnd, POINT pt ) DECLSPEC_HIDDEN;
 136 extern RECT map_dpi_rect( RECT rect, UINT dpi_from, UINT dpi_to ) DECLSPEC_HIDDEN;
 137 extern RECT rect_win_to_thread_dpi( HWND hwnd, RECT rect ) DECLSPEC_HIDDEN;
 138 extern RECT rect_thread_to_win_dpi( HWND hwnd, RECT rect ) DECLSPEC_HIDDEN;
 139
 140 extern BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
 141                             const RECT *window_rect, const RECT *client_rect,
 142                             const RECT *valid_rects ) DECLSPEC_HIDDEN;
 143
 144 static inline void mirror_rect( const RECT *window_rect, RECT *rect )
 145 {
 146     int width = window_rect->right - window_rect->left;
 147     int tmp = rect->left;
 148     rect->left = width - rect->right;
 149     rect->right = width - tmp;
 150 }
 151
 152 static inline UINT win_get_flags( HWND hwnd )
 153 {
 154     return win_set_flags( hwnd, 0, 0 );
 155 }
 156
 157 #endif  /* __WINE_WIN_H */