2006 lines
60 KiB
C
2006 lines
60 KiB
C
/*
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* Window messaging support
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*
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* Copyright 2001 Alexandre Julliard
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*/
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "winerror.h"
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#include "winnls.h"
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#include "dde.h"
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#include "wine/unicode.h"
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#include "wine/server.h"
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#include "queue.h"
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#include "input.h"
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#include "message.h"
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#include "hook.h"
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#include "spy.h"
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#include "user.h"
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#include "win.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(msg);
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#define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
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#define WM_NCMOUSELAST WM_NCMBUTTONDBLCLK
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#define MAX_PACK_COUNT 4
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/* description of the data fields that need to be packed along with a sent message */
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struct packed_message
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{
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int count;
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const void *data[MAX_PACK_COUNT];
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size_t size[MAX_PACK_COUNT];
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};
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/* info about the message currently being received by the current thread */
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struct received_message_info
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{
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enum message_type type;
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MSG msg;
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UINT flags; /* InSendMessageEx return flags */
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};
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/* structure to group all parameters for sent messages of the various kinds */
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struct send_message_info
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{
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enum message_type type;
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HWND hwnd;
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UINT msg;
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WPARAM wparam;
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LPARAM lparam;
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UINT flags; /* flags for SendMessageTimeout */
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UINT timeout; /* timeout for SendMessageTimeout */
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SENDASYNCPROC callback; /* callback function for SendMessageCallback */
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ULONG_PTR data; /* callback data */
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};
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/* flag for messages that contain pointers */
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/* 32 messages per entry, messages 0..31 map to bits 0..31 */
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#define SET(msg) (1 << ((msg) & 31))
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static const unsigned int message_pointer_flags[] =
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{
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/* 0x00 - 0x1f */
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SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) |
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SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
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/* 0x20 - 0x3f */
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SET(WM_GETMINMAXINFO) | SET(WM_DRAWITEM) | SET(WM_MEASUREITEM) | SET(WM_DELETEITEM) |
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SET(WM_COMPAREITEM),
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/* 0x40 - 0x5f */
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SET(WM_WINDOWPOSCHANGING) | SET(WM_WINDOWPOSCHANGED) | SET(WM_COPYDATA) |
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SET(WM_NOTIFY) | SET(WM_HELP),
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/* 0x60 - 0x7f */
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SET(WM_STYLECHANGING) | SET(WM_STYLECHANGED),
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/* 0x80 - 0x9f */
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SET(WM_NCCREATE) | SET(WM_NCCALCSIZE) | SET(WM_GETDLGCODE),
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/* 0xa0 - 0xbf */
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SET(EM_GETSEL) | SET(EM_GETRECT) | SET(EM_SETRECT) | SET(EM_SETRECTNP),
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/* 0xc0 - 0xdf */
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SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETTABSTOPS),
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/* 0xe0 - 0xff */
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SET(SBM_GETRANGE) | SET(SBM_SETSCROLLINFO) | SET(SBM_GETSCROLLINFO),
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/* 0x100 - 0x11f */
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0,
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/* 0x120 - 0x13f */
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0,
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/* 0x140 - 0x15f */
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SET(CB_GETEDITSEL) | SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) |
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SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) |
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SET(CB_GETDROPPEDCONTROLRECT) | SET(CB_FINDSTRINGEXACT),
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/* 0x160 - 0x17f */
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0,
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/* 0x180 - 0x19f */
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SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_SELECTSTRING) |
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SET(LB_DIR) | SET(LB_FINDSTRING) |
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SET(LB_GETSELITEMS) | SET(LB_SETTABSTOPS) | SET(LB_ADDFILE) | SET(LB_GETITEMRECT),
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/* 0x1a0 - 0x1bf */
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SET(LB_FINDSTRINGEXACT),
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/* 0x1c0 - 0x1df */
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0,
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/* 0x1e0 - 0x1ff */
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0,
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/* 0x200 - 0x21f */
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SET(WM_NEXTMENU) | SET(WM_SIZING) | SET(WM_MOVING) | SET(WM_DEVICECHANGE),
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/* 0x220 - 0x23f */
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SET(WM_MDICREATE) | SET(WM_MDIGETACTIVE) | SET(WM_DROPOBJECT) |
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SET(WM_QUERYDROPOBJECT) | SET(WM_DRAGLOOP) | SET(WM_DRAGSELECT) | SET(WM_DRAGMOVE),
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/* 0x240 - 0x25f */
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0,
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/* 0x260 - 0x27f */
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0,
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/* 0x280 - 0x29f */
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0,
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/* 0x2a0 - 0x2bf */
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0,
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/* 0x2c0 - 0x2df */
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0,
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/* 0x2e0 - 0x2ff */
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0,
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/* 0x300 - 0x31f */
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SET(WM_ASKCBFORMATNAME)
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};
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/* flags for messages that contain Unicode strings */
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static const unsigned int message_unicode_flags[] =
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{
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/* 0x00 - 0x1f */
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SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) | SET(WM_GETTEXTLENGTH) |
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SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
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/* 0x20 - 0x3f */
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SET(WM_CHARTOITEM),
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/* 0x40 - 0x5f */
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0,
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/* 0x60 - 0x7f */
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0,
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/* 0x80 - 0x9f */
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SET(WM_NCCREATE),
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/* 0xa0 - 0xbf */
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0,
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/* 0xc0 - 0xdf */
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SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETPASSWORDCHAR),
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/* 0xe0 - 0xff */
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0,
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/* 0x100 - 0x11f */
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SET(WM_CHAR) | SET(WM_DEADCHAR) | SET(WM_SYSCHAR) | SET(WM_SYSDEADCHAR),
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/* 0x120 - 0x13f */
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SET(WM_MENUCHAR),
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/* 0x140 - 0x15f */
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SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) | SET(CB_GETLBTEXTLEN) |
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SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) | SET(CB_FINDSTRINGEXACT),
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/* 0x160 - 0x17f */
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0,
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/* 0x180 - 0x19f */
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SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_GETTEXTLEN) |
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SET(LB_SELECTSTRING) | SET(LB_DIR) | SET(LB_FINDSTRING) | SET(LB_ADDFILE),
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/* 0x1a0 - 0x1bf */
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SET(LB_FINDSTRINGEXACT),
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/* 0x1c0 - 0x1df */
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0,
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/* 0x1e0 - 0x1ff */
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0,
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/* 0x200 - 0x21f */
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0,
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/* 0x220 - 0x23f */
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SET(WM_MDICREATE),
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/* 0x240 - 0x25f */
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0,
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/* 0x260 - 0x27f */
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0,
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/* 0x280 - 0x29f */
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0,
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/* 0x2a0 - 0x2bf */
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0,
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/* 0x2c0 - 0x2df */
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0,
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/* 0x2e0 - 0x2ff */
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0,
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/* 0x300 - 0x31f */
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SET(WM_PAINTCLIPBOARD) | SET(WM_SIZECLIPBOARD) | SET(WM_ASKCBFORMATNAME)
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};
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/* check whether a given message type includes pointers */
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inline static int is_pointer_message( UINT message )
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{
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if (message >= 8*sizeof(message_pointer_flags)) return FALSE;
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return (message_pointer_flags[message / 32] & SET(message)) != 0;
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}
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/* check whether a given message type contains Unicode (or ASCII) chars */
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inline static int is_unicode_message( UINT message )
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{
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if (message >= 8*sizeof(message_unicode_flags)) return FALSE;
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return (message_unicode_flags[message / 32] & SET(message)) != 0;
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}
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#undef SET
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/* compute the total size of the packed data */
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inline static size_t get_data_total_size( const struct packed_message *data )
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{
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int i;
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size_t total = 0;
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for (i = 0; i < data->count; i++) total += data->size[i];
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return total;
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}
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/* copy all the data of a packed message into a single dest buffer */
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inline static void copy_all_data( void *dest, const struct packed_message *data )
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{
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int i;
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for (i = 0; i < data->count; i++)
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{
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memcpy( dest, data->data[i], data->size[i] );
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dest = (char *)dest + data->size[i];
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}
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}
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/* add a data field to a packed message */
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inline static void push_data( struct packed_message *data, const void *ptr, size_t size )
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{
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data->data[data->count] = ptr;
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data->size[data->count] = size;
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data->count++;
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}
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/* add a string to a packed message */
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inline static void push_string( struct packed_message *data, LPCWSTR str )
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{
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push_data( data, str, (strlenW(str) + 1) * sizeof(WCHAR) );
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}
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/* retrieve a pointer to data from a packed message and increment the buffer pointer */
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inline static void *get_data( void **buffer, size_t size )
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{
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void *ret = *buffer;
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*buffer = (char *)*buffer + size;
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return ret;
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}
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/* make sure that the buffer contains a valid null-terminated Unicode string */
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inline static BOOL check_string( LPCWSTR str, size_t size )
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{
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for (size /= sizeof(WCHAR); size; size--, str++)
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if (!*str) return TRUE;
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return FALSE;
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}
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/* make sure that there is space for 'size' bytes in buffer, growing it if needed */
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inline static void *get_buffer_space( void **buffer, size_t size )
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{
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void *ret;
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if (!(ret = HeapReAlloc( GetProcessHeap(), 0, *buffer, size )))
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HeapFree( GetProcessHeap(), 0, *buffer );
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*buffer = ret;
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return ret;
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}
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/* retrieve a string pointer from packed data */
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inline static LPWSTR get_string( void **buffer )
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{
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return get_data( buffer, (strlenW( (LPWSTR)*buffer ) + 1) * sizeof(WCHAR) );
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}
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/* check whether a combobox expects strings or ids in CB_ADDSTRING/CB_INSERTSTRING */
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inline static BOOL combobox_has_strings( HWND hwnd )
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{
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DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
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return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
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}
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/* check whether a listbox expects strings or ids in LB_ADDSTRING/LB_INSERTSTRING */
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inline static BOOL listbox_has_strings( HWND hwnd )
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{
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DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
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return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
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}
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/* check if hwnd is a broadcast magic handle */
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inline static BOOL is_broadcast( HWND hwnd )
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{
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return (hwnd == HWND_BROADCAST || hwnd == HWND_TOPMOST);
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}
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/***********************************************************************
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* broadcast_message_callback
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*
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* Helper callback for broadcasting messages.
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*/
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static BOOL CALLBACK broadcast_message_callback( HWND hwnd, LPARAM lparam )
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{
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struct send_message_info *info = (struct send_message_info *)lparam;
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if (!(GetWindowLongW( hwnd, GWL_STYLE ) & (WS_POPUP|WS_CAPTION))) return TRUE;
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switch(info->type)
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{
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case MSG_UNICODE:
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SendMessageTimeoutW( hwnd, info->msg, info->wparam, info->lparam,
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info->flags, info->timeout, NULL );
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break;
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case MSG_ASCII:
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SendMessageTimeoutA( hwnd, info->msg, info->wparam, info->lparam,
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info->flags, info->timeout, NULL );
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break;
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case MSG_NOTIFY:
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SendNotifyMessageW( hwnd, info->msg, info->wparam, info->lparam );
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break;
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case MSG_CALLBACK:
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SendMessageCallbackW( hwnd, info->msg, info->wparam, info->lparam,
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info->callback, info->data );
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break;
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case MSG_POSTED:
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PostMessageW( hwnd, info->msg, info->wparam, info->lparam );
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break;
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default:
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ERR( "bad type %d\n", info->type );
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break;
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}
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return TRUE;
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}
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/***********************************************************************
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* map_wparam_AtoW
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*
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* Convert the wparam of an ASCII message to Unicode.
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*/
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static WPARAM map_wparam_AtoW( UINT message, WPARAM wparam )
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{
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if (message == WM_CHARTOITEM ||
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message == EM_SETPASSWORDCHAR ||
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message == WM_CHAR ||
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message == WM_DEADCHAR ||
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message == WM_SYSCHAR ||
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message == WM_SYSDEADCHAR ||
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message == WM_MENUCHAR)
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{
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char ch = LOWORD(wparam);
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WCHAR wch;
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MultiByteToWideChar(CP_ACP, 0, &ch, 1, &wch, 1);
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wparam = MAKEWPARAM( wch, HIWORD(wparam) );
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}
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return wparam;
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}
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/***********************************************************************
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* map_wparam_WtoA
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*
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* Convert the wparam of a Unicode message to ASCII.
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*/
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static WPARAM map_wparam_WtoA( UINT message, WPARAM wparam )
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{
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if (message == WM_CHARTOITEM ||
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message == EM_SETPASSWORDCHAR ||
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message == WM_CHAR ||
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message == WM_DEADCHAR ||
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message == WM_SYSCHAR ||
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message == WM_SYSDEADCHAR ||
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message == WM_MENUCHAR)
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{
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WCHAR wch = LOWORD(wparam);
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char ch;
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WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL );
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wparam = MAKEWPARAM( (unsigned char)ch, HIWORD(wparam) );
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}
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return wparam;
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}
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/***********************************************************************
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* pack_message
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*
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* Pack a message for sending to another process.
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* Return the size of the data we expect in the message reply.
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* Set data->count to -1 if there is an error.
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*/
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static size_t pack_message( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
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struct packed_message *data )
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{
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data->count = 0;
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switch(message)
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{
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case WM_NCCREATE:
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case WM_CREATE:
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{
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CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
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push_data( data, cs, sizeof(*cs) );
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if (HIWORD(cs->lpszName)) push_string( data, cs->lpszName );
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if (HIWORD(cs->lpszClass)) push_string( data, cs->lpszClass );
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return sizeof(*cs);
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}
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case WM_GETTEXT:
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case WM_ASKCBFORMATNAME:
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return wparam * sizeof(WCHAR);
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case WM_SETTEXT:
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case WM_WININICHANGE:
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case WM_DEVMODECHANGE:
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case CB_DIR:
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case CB_FINDSTRING:
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case CB_FINDSTRINGEXACT:
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case CB_SELECTSTRING:
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case LB_DIR:
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case LB_ADDFILE:
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case LB_FINDSTRING:
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case LB_FINDSTRINGEXACT:
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case LB_SELECTSTRING:
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case EM_REPLACESEL:
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push_string( data, (LPWSTR)lparam );
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return 0;
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case WM_GETMINMAXINFO:
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push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
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return sizeof(MINMAXINFO);
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case WM_DRAWITEM:
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push_data( data, (DRAWITEMSTRUCT *)lparam, sizeof(DRAWITEMSTRUCT) );
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return 0;
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case WM_MEASUREITEM:
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push_data( data, (MEASUREITEMSTRUCT *)lparam, sizeof(MEASUREITEMSTRUCT) );
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return sizeof(MEASUREITEMSTRUCT);
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case WM_DELETEITEM:
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push_data( data, (DELETEITEMSTRUCT *)lparam, sizeof(DELETEITEMSTRUCT) );
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return 0;
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case WM_COMPAREITEM:
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push_data( data, (COMPAREITEMSTRUCT *)lparam, sizeof(COMPAREITEMSTRUCT) );
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return 0;
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case WM_WINDOWPOSCHANGING:
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case WM_WINDOWPOSCHANGED:
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push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
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return sizeof(WINDOWPOS);
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case WM_COPYDATA:
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{
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COPYDATASTRUCT *cp = (COPYDATASTRUCT *)lparam;
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push_data( data, cp, sizeof(*cp) );
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if (cp->lpData) push_data( data, cp->lpData, cp->cbData );
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return 0;
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}
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case WM_NOTIFY:
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/* WM_NOTIFY cannot be sent across processes (MSDN) */
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data->count = -1;
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return 0;
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case WM_HELP:
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push_data( data, (HELPINFO *)lparam, sizeof(HELPINFO) );
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return 0;
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case WM_STYLECHANGING:
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case WM_STYLECHANGED:
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push_data( data, (STYLESTRUCT *)lparam, sizeof(STYLESTRUCT) );
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return 0;
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case WM_NCCALCSIZE:
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if (!wparam)
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{
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push_data( data, (RECT *)lparam, sizeof(RECT) );
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return sizeof(RECT);
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}
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else
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{
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NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lparam;
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push_data( data, nc, sizeof(*nc) );
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push_data( data, nc->lppos, sizeof(*nc->lppos) );
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return sizeof(*nc) + sizeof(*nc->lppos);
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}
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case WM_GETDLGCODE:
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if (lparam) push_data( data, (MSG *)lparam, sizeof(MSG) );
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return sizeof(MSG);
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case SBM_SETSCROLLINFO:
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push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
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return 0;
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case SBM_GETSCROLLINFO:
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push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
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return sizeof(SCROLLINFO);
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case EM_GETSEL:
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case SBM_GETRANGE:
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|
case CB_GETEDITSEL:
|
|
{
|
|
size_t size = 0;
|
|
if (wparam) size += sizeof(DWORD);
|
|
if (lparam) size += sizeof(DWORD);
|
|
return size;
|
|
}
|
|
case EM_GETRECT:
|
|
case LB_GETITEMRECT:
|
|
case CB_GETDROPPEDCONTROLRECT:
|
|
return sizeof(RECT);
|
|
case EM_SETRECT:
|
|
case EM_SETRECTNP:
|
|
push_data( data, (RECT *)lparam, sizeof(RECT) );
|
|
return 0;
|
|
case EM_GETLINE:
|
|
{
|
|
WORD *pw = (WORD *)lparam;
|
|
push_data( data, pw, sizeof(*pw) );
|
|
return *pw * sizeof(WCHAR);
|
|
}
|
|
case EM_SETTABSTOPS:
|
|
case LB_SETTABSTOPS:
|
|
if (wparam) push_data( data, (UINT *)lparam, sizeof(UINT) * wparam );
|
|
return 0;
|
|
case CB_ADDSTRING:
|
|
case CB_INSERTSTRING:
|
|
if (combobox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
|
|
return 0;
|
|
case CB_GETLBTEXT:
|
|
if (!combobox_has_strings( hwnd )) return sizeof(ULONG_PTR);
|
|
return (SendMessageW( hwnd, CB_GETLBTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
|
|
case LB_ADDSTRING:
|
|
case LB_INSERTSTRING:
|
|
if (listbox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
|
|
return 0;
|
|
case LB_GETTEXT:
|
|
if (!listbox_has_strings( hwnd )) return sizeof(ULONG_PTR);
|
|
return (SendMessageW( hwnd, LB_GETTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
|
|
case LB_GETSELITEMS:
|
|
return wparam * sizeof(UINT);
|
|
case WM_NEXTMENU:
|
|
push_data( data, (MDINEXTMENU *)lparam, sizeof(MDINEXTMENU) );
|
|
return sizeof(MDINEXTMENU);
|
|
case WM_SIZING:
|
|
case WM_MOVING:
|
|
push_data( data, (RECT *)lparam, sizeof(RECT) );
|
|
return sizeof(RECT);
|
|
case WM_MDICREATE:
|
|
{
|
|
MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lparam;
|
|
push_data( data, cs, sizeof(*cs) );
|
|
if (HIWORD(cs->szTitle)) push_string( data, cs->szTitle );
|
|
if (HIWORD(cs->szClass)) push_string( data, cs->szClass );
|
|
return sizeof(*cs);
|
|
}
|
|
case WM_MDIGETACTIVE:
|
|
if (lparam) return sizeof(BOOL);
|
|
return 0;
|
|
|
|
case WM_WINE_SETWINDOWPOS:
|
|
push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
|
|
return 0;
|
|
|
|
/* these contain an HFONT */
|
|
case WM_SETFONT:
|
|
case WM_GETFONT:
|
|
/* these contain an HDC */
|
|
case WM_PAINT:
|
|
case WM_ERASEBKGND:
|
|
case WM_ICONERASEBKGND:
|
|
case WM_NCPAINT:
|
|
case WM_CTLCOLORMSGBOX:
|
|
case WM_CTLCOLOREDIT:
|
|
case WM_CTLCOLORLISTBOX:
|
|
case WM_CTLCOLORBTN:
|
|
case WM_CTLCOLORDLG:
|
|
case WM_CTLCOLORSCROLLBAR:
|
|
case WM_CTLCOLORSTATIC:
|
|
case WM_PRINT:
|
|
case WM_PRINTCLIENT:
|
|
/* these contain an HGLOBAL */
|
|
case WM_PAINTCLIPBOARD:
|
|
case WM_SIZECLIPBOARD:
|
|
case WM_DDE_INITIATE:
|
|
case WM_DDE_ADVISE:
|
|
case WM_DDE_UNADVISE:
|
|
case WM_DDE_DATA:
|
|
case WM_DDE_REQUEST:
|
|
case WM_DDE_POKE:
|
|
case WM_DDE_EXECUTE:
|
|
/* these contain pointers */
|
|
case WM_DROPOBJECT:
|
|
case WM_QUERYDROPOBJECT:
|
|
case WM_DRAGLOOP:
|
|
case WM_DRAGSELECT:
|
|
case WM_DRAGMOVE:
|
|
case WM_DEVICECHANGE:
|
|
FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
|
|
data->count = -1;
|
|
return 0;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* unpack_message
|
|
*
|
|
* Unpack a message received from another process.
|
|
*/
|
|
static BOOL unpack_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
|
|
void **buffer, size_t size )
|
|
{
|
|
size_t minsize = 0;
|
|
|
|
switch(message)
|
|
{
|
|
case WM_NCCREATE:
|
|
case WM_CREATE:
|
|
{
|
|
CREATESTRUCTW *cs = *buffer;
|
|
WCHAR *str = (WCHAR *)(cs + 1);
|
|
if (size < sizeof(*cs)) return FALSE;
|
|
size -= sizeof(*cs);
|
|
if (HIWORD(cs->lpszName))
|
|
{
|
|
if (!check_string( str, size )) return FALSE;
|
|
cs->lpszName = str;
|
|
size -= (strlenW(str) + 1) * sizeof(WCHAR);
|
|
str += strlenW(str) + 1;
|
|
}
|
|
if (HIWORD(cs->lpszClass))
|
|
{
|
|
if (!check_string( str, size )) return FALSE;
|
|
cs->lpszClass = str;
|
|
}
|
|
break;
|
|
}
|
|
case WM_GETTEXT:
|
|
case WM_ASKCBFORMATNAME:
|
|
if (!get_buffer_space( buffer, (*wparam * sizeof(WCHAR)) )) return FALSE;
|
|
break;
|
|
case WM_SETTEXT:
|
|
case WM_WININICHANGE:
|
|
case WM_DEVMODECHANGE:
|
|
case CB_DIR:
|
|
case CB_FINDSTRING:
|
|
case CB_FINDSTRINGEXACT:
|
|
case CB_SELECTSTRING:
|
|
case LB_DIR:
|
|
case LB_ADDFILE:
|
|
case LB_FINDSTRING:
|
|
case LB_FINDSTRINGEXACT:
|
|
case LB_SELECTSTRING:
|
|
case EM_REPLACESEL:
|
|
if (!check_string( *buffer, size )) return FALSE;
|
|
break;
|
|
case WM_GETMINMAXINFO:
|
|
minsize = sizeof(MINMAXINFO);
|
|
break;
|
|
case WM_DRAWITEM:
|
|
minsize = sizeof(DRAWITEMSTRUCT);
|
|
break;
|
|
case WM_MEASUREITEM:
|
|
minsize = sizeof(MEASUREITEMSTRUCT);
|
|
break;
|
|
case WM_DELETEITEM:
|
|
minsize = sizeof(DELETEITEMSTRUCT);
|
|
break;
|
|
case WM_COMPAREITEM:
|
|
minsize = sizeof(COMPAREITEMSTRUCT);
|
|
break;
|
|
case WM_WINDOWPOSCHANGING:
|
|
case WM_WINDOWPOSCHANGED:
|
|
case WM_WINE_SETWINDOWPOS:
|
|
minsize = sizeof(WINDOWPOS);
|
|
break;
|
|
case WM_COPYDATA:
|
|
{
|
|
COPYDATASTRUCT *cp = *buffer;
|
|
if (size < sizeof(*cp)) return FALSE;
|
|
if (cp->lpData)
|
|
{
|
|
minsize = sizeof(*cp) + cp->cbData;
|
|
cp->lpData = cp + 1;
|
|
}
|
|
break;
|
|
}
|
|
case WM_NOTIFY:
|
|
/* WM_NOTIFY cannot be sent across processes (MSDN) */
|
|
return FALSE;
|
|
case WM_HELP:
|
|
minsize = sizeof(HELPINFO);
|
|
break;
|
|
case WM_STYLECHANGING:
|
|
case WM_STYLECHANGED:
|
|
minsize = sizeof(STYLESTRUCT);
|
|
break;
|
|
case WM_NCCALCSIZE:
|
|
if (!*wparam) minsize = sizeof(RECT);
|
|
else
|
|
{
|
|
NCCALCSIZE_PARAMS *nc = *buffer;
|
|
if (size < sizeof(*nc) + sizeof(*nc->lppos)) return FALSE;
|
|
nc->lppos = (WINDOWPOS *)(nc + 1);
|
|
}
|
|
break;
|
|
case WM_GETDLGCODE:
|
|
if (!*lparam) return TRUE;
|
|
minsize = sizeof(MSG);
|
|
break;
|
|
case SBM_SETSCROLLINFO:
|
|
minsize = sizeof(SCROLLINFO);
|
|
break;
|
|
case SBM_GETSCROLLINFO:
|
|
if (!get_buffer_space( buffer, sizeof(SCROLLINFO ))) return FALSE;
|
|
break;
|
|
case EM_GETSEL:
|
|
case SBM_GETRANGE:
|
|
case CB_GETEDITSEL:
|
|
if (*wparam || *lparam)
|
|
{
|
|
if (!get_buffer_space( buffer, 2*sizeof(DWORD) )) return FALSE;
|
|
if (*wparam) *wparam = (WPARAM)*buffer;
|
|
if (*lparam) *lparam = (LPARAM)((DWORD *)*buffer + 1);
|
|
}
|
|
return TRUE;
|
|
case EM_GETRECT:
|
|
case LB_GETITEMRECT:
|
|
case CB_GETDROPPEDCONTROLRECT:
|
|
if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
|
|
break;
|
|
case EM_SETRECT:
|
|
case EM_SETRECTNP:
|
|
minsize = sizeof(RECT);
|
|
break;
|
|
case EM_GETLINE:
|
|
{
|
|
WORD len;
|
|
if (size < sizeof(WORD)) return FALSE;
|
|
len = *(WORD *)*buffer;
|
|
if (!get_buffer_space( buffer, (len + 1) * sizeof(WCHAR) )) return FALSE;
|
|
*lparam = (LPARAM)*buffer + sizeof(WORD); /* don't erase WORD at start of buffer */
|
|
return TRUE;
|
|
}
|
|
case EM_SETTABSTOPS:
|
|
case LB_SETTABSTOPS:
|
|
if (!*wparam) return TRUE;
|
|
minsize = *wparam * sizeof(UINT);
|
|
break;
|
|
case CB_ADDSTRING:
|
|
case CB_INSERTSTRING:
|
|
case LB_ADDSTRING:
|
|
case LB_INSERTSTRING:
|
|
if (!*buffer) return TRUE;
|
|
if (!check_string( *buffer, size )) return FALSE;
|
|
break;
|
|
case CB_GETLBTEXT:
|
|
{
|
|
size = sizeof(ULONG_PTR);
|
|
if (combobox_has_strings( hwnd ))
|
|
size = (SendMessageW( hwnd, CB_GETLBTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
|
|
if (!get_buffer_space( buffer, size )) return FALSE;
|
|
break;
|
|
}
|
|
case LB_GETTEXT:
|
|
{
|
|
size = sizeof(ULONG_PTR);
|
|
if (listbox_has_strings( hwnd ))
|
|
size = (SendMessageW( hwnd, LB_GETTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
|
|
if (!get_buffer_space( buffer, size )) return FALSE;
|
|
break;
|
|
}
|
|
case LB_GETSELITEMS:
|
|
if (!get_buffer_space( buffer, *wparam * sizeof(UINT) )) return FALSE;
|
|
break;
|
|
case WM_NEXTMENU:
|
|
minsize = sizeof(MDINEXTMENU);
|
|
if (!get_buffer_space( buffer, sizeof(MDINEXTMENU) )) return FALSE;
|
|
break;
|
|
case WM_SIZING:
|
|
case WM_MOVING:
|
|
minsize = sizeof(RECT);
|
|
if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
|
|
break;
|
|
case WM_MDICREATE:
|
|
{
|
|
MDICREATESTRUCTW *cs = *buffer;
|
|
WCHAR *str = (WCHAR *)(cs + 1);
|
|
if (size < sizeof(*cs)) return FALSE;
|
|
size -= sizeof(*cs);
|
|
if (HIWORD(cs->szTitle))
|
|
{
|
|
if (!check_string( str, size )) return FALSE;
|
|
cs->szTitle = str;
|
|
size -= (strlenW(str) + 1) * sizeof(WCHAR);
|
|
str += strlenW(str) + 1;
|
|
}
|
|
if (HIWORD(cs->szClass))
|
|
{
|
|
if (!check_string( str, size )) return FALSE;
|
|
cs->szClass = str;
|
|
}
|
|
break;
|
|
}
|
|
case WM_MDIGETACTIVE:
|
|
if (!*lparam) return TRUE;
|
|
if (!get_buffer_space( buffer, sizeof(BOOL) )) return FALSE;
|
|
break;
|
|
|
|
/* these contain an HFONT */
|
|
case WM_SETFONT:
|
|
case WM_GETFONT:
|
|
/* these contain an HDC */
|
|
case WM_PAINT:
|
|
case WM_ERASEBKGND:
|
|
case WM_ICONERASEBKGND:
|
|
case WM_NCPAINT:
|
|
case WM_CTLCOLORMSGBOX:
|
|
case WM_CTLCOLOREDIT:
|
|
case WM_CTLCOLORLISTBOX:
|
|
case WM_CTLCOLORBTN:
|
|
case WM_CTLCOLORDLG:
|
|
case WM_CTLCOLORSCROLLBAR:
|
|
case WM_CTLCOLORSTATIC:
|
|
case WM_PRINT:
|
|
case WM_PRINTCLIENT:
|
|
/* these contain an HGLOBAL */
|
|
case WM_PAINTCLIPBOARD:
|
|
case WM_SIZECLIPBOARD:
|
|
case WM_DDE_INITIATE:
|
|
case WM_DDE_ADVISE:
|
|
case WM_DDE_UNADVISE:
|
|
case WM_DDE_DATA:
|
|
case WM_DDE_REQUEST:
|
|
case WM_DDE_POKE:
|
|
case WM_DDE_EXECUTE:
|
|
/* these contain pointers */
|
|
case WM_DROPOBJECT:
|
|
case WM_QUERYDROPOBJECT:
|
|
case WM_DRAGLOOP:
|
|
case WM_DRAGSELECT:
|
|
case WM_DRAGMOVE:
|
|
case WM_DEVICECHANGE:
|
|
FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
|
|
return FALSE;
|
|
|
|
default:
|
|
return TRUE; /* message doesn't need any unpacking */
|
|
}
|
|
|
|
/* default exit for most messages: check minsize and store buffer in lparam */
|
|
if (size < minsize) return FALSE;
|
|
*lparam = (LPARAM)*buffer;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* pack_reply
|
|
*
|
|
* Pack a reply to a message for sending to another process.
|
|
*/
|
|
static void pack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
|
|
LRESULT res, struct packed_message *data )
|
|
{
|
|
data->count = 0;
|
|
switch(message)
|
|
{
|
|
case WM_NCCREATE:
|
|
case WM_CREATE:
|
|
push_data( data, (CREATESTRUCTW *)lparam, sizeof(CREATESTRUCTW) );
|
|
break;
|
|
case WM_GETTEXT:
|
|
case CB_GETLBTEXT:
|
|
case LB_GETTEXT:
|
|
push_data( data, (WCHAR *)lparam, (res + 1) * sizeof(WCHAR) );
|
|
break;
|
|
case WM_GETMINMAXINFO:
|
|
push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
|
|
break;
|
|
case WM_MEASUREITEM:
|
|
push_data( data, (MEASUREITEMSTRUCT *)lparam, sizeof(MEASUREITEMSTRUCT) );
|
|
break;
|
|
case WM_WINDOWPOSCHANGING:
|
|
case WM_WINDOWPOSCHANGED:
|
|
push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
|
|
break;
|
|
case WM_GETDLGCODE:
|
|
if (lparam) push_data( data, (MSG *)lparam, sizeof(MSG) );
|
|
break;
|
|
case SBM_GETSCROLLINFO:
|
|
push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
|
|
break;
|
|
case EM_GETRECT:
|
|
case LB_GETITEMRECT:
|
|
case CB_GETDROPPEDCONTROLRECT:
|
|
case WM_SIZING:
|
|
case WM_MOVING:
|
|
push_data( data, (RECT *)lparam, sizeof(RECT) );
|
|
break;
|
|
case EM_GETLINE:
|
|
{
|
|
WORD *ptr = (WORD *)lparam;
|
|
push_data( data, ptr, ptr[-1] * sizeof(WCHAR) );
|
|
break;
|
|
}
|
|
case LB_GETSELITEMS:
|
|
push_data( data, (UINT *)lparam, wparam * sizeof(UINT) );
|
|
break;
|
|
case WM_MDIGETACTIVE:
|
|
if (lparam) push_data( data, (BOOL *)lparam, sizeof(BOOL) );
|
|
break;
|
|
case WM_NCCALCSIZE:
|
|
if (!wparam)
|
|
push_data( data, (RECT *)lparam, sizeof(RECT) );
|
|
else
|
|
{
|
|
NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lparam;
|
|
push_data( data, nc, sizeof(*nc) );
|
|
push_data( data, nc->lppos, sizeof(*nc->lppos) );
|
|
}
|
|
break;
|
|
case EM_GETSEL:
|
|
case SBM_GETRANGE:
|
|
case CB_GETEDITSEL:
|
|
if (wparam) push_data( data, (DWORD *)wparam, sizeof(DWORD) );
|
|
if (lparam) push_data( data, (DWORD *)lparam, sizeof(DWORD) );
|
|
break;
|
|
case WM_NEXTMENU:
|
|
push_data( data, (MDINEXTMENU *)lparam, sizeof(MDINEXTMENU) );
|
|
break;
|
|
case WM_MDICREATE:
|
|
push_data( data, (MDICREATESTRUCTW *)lparam, sizeof(MDICREATESTRUCTW) );
|
|
break;
|
|
case WM_ASKCBFORMATNAME:
|
|
push_data( data, (WCHAR *)lparam, (strlenW((WCHAR *)lparam) + 1) * sizeof(WCHAR) );
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* unpack_reply
|
|
*
|
|
* Unpack a message reply received from another process.
|
|
*/
|
|
static void unpack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
|
|
void *buffer, size_t size )
|
|
{
|
|
switch(message)
|
|
{
|
|
case WM_NCCREATE:
|
|
case WM_CREATE:
|
|
{
|
|
CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
|
|
LPCWSTR name = cs->lpszName, class = cs->lpszClass;
|
|
memcpy( cs, buffer, min( sizeof(*cs), size ));
|
|
cs->lpszName = name; /* restore the original pointers */
|
|
cs->lpszClass = class;
|
|
break;
|
|
}
|
|
case WM_GETTEXT:
|
|
case WM_ASKCBFORMATNAME:
|
|
memcpy( (WCHAR *)lparam, buffer, min( wparam*sizeof(WCHAR), size ));
|
|
break;
|
|
case WM_GETMINMAXINFO:
|
|
memcpy( (MINMAXINFO *)lparam, buffer, min( sizeof(MINMAXINFO), size ));
|
|
break;
|
|
case WM_MEASUREITEM:
|
|
memcpy( (MEASUREITEMSTRUCT *)lparam, buffer, min( sizeof(MEASUREITEMSTRUCT), size ));
|
|
break;
|
|
case WM_WINDOWPOSCHANGING:
|
|
case WM_WINDOWPOSCHANGED:
|
|
memcpy( (WINDOWPOS *)lparam, buffer, min( sizeof(WINDOWPOS), size ));
|
|
break;
|
|
case WM_GETDLGCODE:
|
|
if (lparam) memcpy( (MSG *)lparam, buffer, min( sizeof(MSG), size ));
|
|
break;
|
|
case SBM_GETSCROLLINFO:
|
|
memcpy( (SCROLLINFO *)lparam, buffer, min( sizeof(SCROLLINFO), size ));
|
|
break;
|
|
case EM_GETRECT:
|
|
case CB_GETDROPPEDCONTROLRECT:
|
|
case LB_GETITEMRECT:
|
|
case WM_SIZING:
|
|
case WM_MOVING:
|
|
memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
|
|
break;
|
|
case EM_GETLINE:
|
|
size = min( size, *(WORD *)lparam );
|
|
memcpy( (WCHAR *)lparam, buffer, size );
|
|
break;
|
|
case LB_GETSELITEMS:
|
|
memcpy( (UINT *)lparam, buffer, min( wparam*sizeof(UINT), size ));
|
|
break;
|
|
case LB_GETTEXT:
|
|
case CB_GETLBTEXT:
|
|
memcpy( (WCHAR *)lparam, buffer, size );
|
|
break;
|
|
case WM_NEXTMENU:
|
|
memcpy( (MDINEXTMENU *)lparam, buffer, min( sizeof(MDINEXTMENU), size ));
|
|
break;
|
|
case WM_MDIGETACTIVE:
|
|
if (lparam) memcpy( (BOOL *)lparam, buffer, min( sizeof(BOOL), size ));
|
|
break;
|
|
case WM_NCCALCSIZE:
|
|
if (!wparam)
|
|
memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
|
|
else
|
|
{
|
|
NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lparam;
|
|
WINDOWPOS *wp = nc->lppos;
|
|
memcpy( nc, buffer, min( sizeof(*nc), size ));
|
|
if (size > sizeof(*nc))
|
|
{
|
|
size -= sizeof(*nc);
|
|
memcpy( wp, (NCCALCSIZE_PARAMS*)buffer + 1, min( sizeof(*wp), size ));
|
|
}
|
|
nc->lppos = wp; /* restore the original pointer */
|
|
}
|
|
break;
|
|
case EM_GETSEL:
|
|
case SBM_GETRANGE:
|
|
case CB_GETEDITSEL:
|
|
if (wparam)
|
|
{
|
|
memcpy( (DWORD *)wparam, buffer, min( sizeof(DWORD), size ));
|
|
if (size <= sizeof(DWORD)) break;
|
|
size -= sizeof(DWORD);
|
|
buffer = (DWORD *)buffer + 1;
|
|
}
|
|
if (lparam) memcpy( (DWORD *)lparam, buffer, min( sizeof(DWORD), size ));
|
|
break;
|
|
case WM_MDICREATE:
|
|
{
|
|
MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lparam;
|
|
LPCWSTR title = cs->szTitle, class = cs->szClass;
|
|
memcpy( cs, buffer, min( sizeof(*cs), size ));
|
|
cs->szTitle = title; /* restore the original pointers */
|
|
cs->szClass = class;
|
|
break;
|
|
}
|
|
default:
|
|
ERR( "should not happen: unexpected message %x\n", message );
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* reply_message
|
|
*
|
|
* Send a reply to a sent message.
|
|
*/
|
|
static void reply_message( struct received_message_info *info, LRESULT result, BOOL remove )
|
|
{
|
|
struct packed_message data;
|
|
int replied = info->flags & ISMEX_REPLIED;
|
|
|
|
if (info->flags & ISMEX_NOTIFY) return; /* notify messages don't get replies */
|
|
if (!remove && replied) return; /* replied already */
|
|
|
|
data.count = 0;
|
|
info->flags |= ISMEX_REPLIED;
|
|
|
|
if (info->type == MSG_OTHER_PROCESS && !replied)
|
|
{
|
|
pack_reply( info->msg.hwnd, info->msg.message, info->msg.wParam,
|
|
info->msg.lParam, result, &data );
|
|
if (data.count)
|
|
{
|
|
size_t total = get_data_total_size( &data );
|
|
|
|
if (total > REQUEST_MAX_VAR_SIZE)
|
|
{
|
|
FIXME( "inter-process msg data size %d not supported yet, expect trouble\n",
|
|
total );
|
|
total = REQUEST_MAX_VAR_SIZE;
|
|
}
|
|
|
|
SERVER_START_VAR_REQ( reply_message, total )
|
|
{
|
|
req->result = result;
|
|
req->remove = remove;
|
|
copy_all_data( server_data_ptr(req), &data );
|
|
SERVER_CALL();
|
|
}
|
|
SERVER_END_VAR_REQ;
|
|
return;
|
|
}
|
|
}
|
|
|
|
SERVER_START_REQ( reply_message )
|
|
{
|
|
req->result = result;
|
|
req->remove = remove;
|
|
SERVER_CALL();
|
|
}
|
|
SERVER_END_REQ;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* handle_internal_message
|
|
*
|
|
* Handle an internal Wine message instead of calling the window proc.
|
|
*/
|
|
static LRESULT handle_internal_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
|
|
{
|
|
switch(msg)
|
|
{
|
|
case WM_WINE_SETWINDOWPOS:
|
|
return USER_Driver.pSetWindowPos( (WINDOWPOS *)lparam );
|
|
case WM_WINE_SHOWWINDOW:
|
|
return USER_Driver.pShowWindow( hwnd, wparam );
|
|
case WM_WINE_DESTROYWINDOW:
|
|
return WIN_DestroyWindow( hwnd );
|
|
case WM_WINE_SETPARENT:
|
|
return (LRESULT)WIN_SetParent( hwnd, (HWND)wparam );
|
|
default:
|
|
FIXME( "unknown internal message %x\n", msg );
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* call_window_proc
|
|
*
|
|
* Call a window procedure and the corresponding hooks.
|
|
*/
|
|
static LRESULT call_window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam, BOOL unicode )
|
|
{
|
|
LRESULT result;
|
|
WNDPROC winproc;
|
|
|
|
if (msg & 0x80000000) return handle_internal_message( hwnd, msg, wparam, lparam );
|
|
|
|
/* first the WH_CALLWNDPROC hook */
|
|
if (HOOK_IsHooked( WH_CALLWNDPROC ))
|
|
{
|
|
CWPSTRUCT cwp;
|
|
cwp.lParam = lparam;
|
|
cwp.wParam = wparam;
|
|
cwp.message = msg;
|
|
cwp.hwnd = WIN_GetFullHandle( hwnd );
|
|
if (unicode) HOOK_CallHooksW( WH_CALLWNDPROC, HC_ACTION, 1, (LPARAM)&cwp );
|
|
else HOOK_CallHooksA( WH_CALLWNDPROC, HC_ACTION, 1, (LPARAM)&cwp );
|
|
lparam = cwp.lParam;
|
|
wparam = cwp.wParam;
|
|
msg = cwp.message;
|
|
hwnd = cwp.hwnd;
|
|
}
|
|
|
|
/* now call the window procedure */
|
|
if (unicode)
|
|
{
|
|
if (!(winproc = (WNDPROC)GetWindowLongW( hwnd, GWL_WNDPROC ))) return 0;
|
|
result = CallWindowProcW( winproc, hwnd, msg, wparam, lparam );
|
|
}
|
|
else
|
|
{
|
|
if (!(winproc = (WNDPROC)GetWindowLongA( hwnd, GWL_WNDPROC ))) return 0;
|
|
result = CallWindowProcA( winproc, hwnd, msg, wparam, lparam );
|
|
}
|
|
|
|
/* and finally the WH_CALLWNDPROCRET hook */
|
|
if (HOOK_IsHooked( WH_CALLWNDPROCRET ))
|
|
{
|
|
CWPRETSTRUCT cwp;
|
|
cwp.lResult = result;
|
|
cwp.lParam = lparam;
|
|
cwp.wParam = wparam;
|
|
cwp.message = msg;
|
|
cwp.hwnd = WIN_GetFullHandle( hwnd );
|
|
if (unicode) HOOK_CallHooksW( WH_CALLWNDPROCRET, HC_ACTION, 1, (LPARAM)&cwp );
|
|
else HOOK_CallHooksA( WH_CALLWNDPROCRET, HC_ACTION, 1, (LPARAM)&cwp );
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* MSG_peek_message
|
|
*
|
|
* Peek for a message matching the given parameters. Return FALSE if none available.
|
|
* All pending sent messages are processed before returning.
|
|
*/
|
|
BOOL MSG_peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, int flags )
|
|
{
|
|
BOOL ret;
|
|
LRESULT result;
|
|
ULONG_PTR extra_info = 0;
|
|
MESSAGEQUEUE *queue = QUEUE_Current();
|
|
struct received_message_info info, *old_info;
|
|
|
|
if (!first && !last) last = ~0;
|
|
|
|
for (;;)
|
|
{
|
|
void *buffer = NULL;
|
|
size_t size = 0;
|
|
|
|
SERVER_START_VAR_REQ( get_message, REQUEST_MAX_VAR_SIZE )
|
|
{
|
|
req->flags = flags;
|
|
req->get_win = hwnd;
|
|
req->get_first = first;
|
|
req->get_last = last;
|
|
if ((ret = !SERVER_CALL()))
|
|
{
|
|
info.type = req->type;
|
|
info.msg.hwnd = req->win;
|
|
info.msg.message = req->msg;
|
|
info.msg.wParam = req->wparam;
|
|
info.msg.lParam = req->lparam;
|
|
info.msg.time = req->time;
|
|
info.msg.pt.x = req->x;
|
|
info.msg.pt.y = req->y;
|
|
extra_info = req->info;
|
|
|
|
if ((size = server_data_size(req)))
|
|
{
|
|
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, size )))
|
|
{
|
|
ERR("out of memory for message data\n");
|
|
ret = FALSE;
|
|
}
|
|
else memcpy( buffer, server_data_ptr(req), size );
|
|
}
|
|
}
|
|
}
|
|
SERVER_END_VAR_REQ;
|
|
|
|
if (!ret) return FALSE; /* no message available */
|
|
|
|
TRACE( "got type %d msg %x hwnd %x wp %x lp %lx\n",
|
|
info.type, info.msg.message, info.msg.hwnd, info.msg.wParam, info.msg.lParam );
|
|
|
|
switch(info.type)
|
|
{
|
|
case MSG_ASCII:
|
|
case MSG_UNICODE:
|
|
info.flags = ISMEX_SEND;
|
|
break;
|
|
case MSG_NOTIFY:
|
|
info.flags = ISMEX_NOTIFY;
|
|
break;
|
|
case MSG_CALLBACK:
|
|
info.flags = ISMEX_CALLBACK;
|
|
break;
|
|
case MSG_OTHER_PROCESS:
|
|
info.flags = ISMEX_SEND;
|
|
if (!unpack_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
|
|
&info.msg.lParam, &buffer, size ))
|
|
{
|
|
ERR( "invalid packed message %x (%s) hwnd %x wp %x lp %lx size %d\n",
|
|
info.msg.message, SPY_GetMsgName(info.msg.message, info.msg.hwnd), info.msg.hwnd,
|
|
info.msg.wParam, info.msg.lParam, size );
|
|
/* ignore it */
|
|
reply_message( &info, 0, TRUE );
|
|
continue;
|
|
}
|
|
break;
|
|
case MSG_POSTED:
|
|
goto got_one;
|
|
case MSG_HARDWARE_RAW:
|
|
if (!MSG_process_raw_hardware_message( &info.msg, extra_info,
|
|
hwnd, first, last, flags & GET_MSG_REMOVE ))
|
|
continue;
|
|
/* fall through */
|
|
case MSG_HARDWARE_COOKED:
|
|
if (!MSG_process_cooked_hardware_message( &info.msg, flags & GET_MSG_REMOVE ))
|
|
{
|
|
flags |= GET_MSG_REMOVE_LAST;
|
|
continue;
|
|
}
|
|
queue->GetMessageExtraInfoVal = extra_info;
|
|
goto got_one;
|
|
}
|
|
|
|
/* if we get here, we have a sent message; call the window procedure */
|
|
old_info = queue->receive_info;
|
|
queue->receive_info = &info;
|
|
result = call_window_proc( info.msg.hwnd, info.msg.message, info.msg.wParam,
|
|
info.msg.lParam, (info.type != MSG_ASCII) );
|
|
reply_message( &info, result, TRUE );
|
|
queue->receive_info = old_info;
|
|
|
|
if (buffer) HeapFree( GetProcessHeap(), 0, buffer );
|
|
}
|
|
|
|
got_one:
|
|
*msg = info.msg;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* wait_message_reply
|
|
*
|
|
* Wait until a sent message gets replied to.
|
|
*/
|
|
static void wait_message_reply( UINT flags )
|
|
{
|
|
MESSAGEQUEUE *queue;
|
|
|
|
if (!(queue = QUEUE_Current())) return;
|
|
|
|
for (;;)
|
|
{
|
|
unsigned int wake_bits = 0, changed_bits = 0;
|
|
DWORD dwlc, res;
|
|
|
|
SERVER_START_REQ( set_queue_mask )
|
|
{
|
|
req->wake_mask = (flags & SMTO_BLOCK) ? 0 : QS_SENDMESSAGE;
|
|
req->changed_mask = QS_SMRESULT | req->wake_mask;
|
|
req->skip_wait = 1;
|
|
if (!SERVER_CALL())
|
|
{
|
|
wake_bits = req->wake_bits;
|
|
changed_bits = req->changed_bits;
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
if (changed_bits & QS_SMRESULT) return; /* got a result */
|
|
if (wake_bits & QS_SENDMESSAGE)
|
|
{
|
|
/* Process the sent message immediately */
|
|
MSG msg;
|
|
MSG_peek_message( &msg, 0, 0, 0, GET_MSG_REMOVE | GET_MSG_SENT_ONLY );
|
|
continue;
|
|
}
|
|
|
|
/* now wait for it */
|
|
|
|
ReleaseThunkLock( &dwlc );
|
|
|
|
if (USER_Driver.pMsgWaitForMultipleObjectsEx)
|
|
res = USER_Driver.pMsgWaitForMultipleObjectsEx( 1, &queue->server_queue,
|
|
INFINITE, 0, 0 );
|
|
else
|
|
res = WaitForSingleObject( queue->server_queue, INFINITE );
|
|
|
|
if (dwlc) RestoreThunkLock( dwlc );
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* put_message_in_queue
|
|
*
|
|
* Put a sent message into the destination queue.
|
|
* For inter-process message, reply_size is set to expected size of reply data.
|
|
*/
|
|
static BOOL put_message_in_queue( DWORD dest_tid, const struct send_message_info *info,
|
|
size_t *reply_size )
|
|
{
|
|
unsigned int res;
|
|
int timeout = -1;
|
|
|
|
if (info->type != MSG_NOTIFY &&
|
|
info->type != MSG_CALLBACK &&
|
|
info->type != MSG_POSTED &&
|
|
info->timeout != INFINITE)
|
|
timeout = info->timeout;
|
|
|
|
if (info->type == MSG_OTHER_PROCESS)
|
|
{
|
|
struct packed_message data;
|
|
*reply_size = pack_message( info->hwnd, info->msg, info->wparam, info->lparam, &data );
|
|
|
|
if (data.count == -1)
|
|
{
|
|
WARN( "cannot pack message %x\n", info->msg );
|
|
return FALSE;
|
|
}
|
|
|
|
if (data.size[0]) /* need to send extra data along with the message */
|
|
{
|
|
size_t total = get_data_total_size( &data );
|
|
|
|
if (total > REQUEST_MAX_VAR_SIZE)
|
|
{
|
|
FIXME( "inter-process msg data size %d not supported yet, expect trouble\n",
|
|
total );
|
|
total = REQUEST_MAX_VAR_SIZE;
|
|
}
|
|
|
|
SERVER_START_VAR_REQ( send_message, total )
|
|
{
|
|
req->id = (void *)dest_tid;
|
|
req->type = MSG_OTHER_PROCESS;
|
|
req->win = info->hwnd;
|
|
req->msg = info->msg;
|
|
req->wparam = info->wparam;
|
|
req->lparam = info->lparam;
|
|
req->time = GetCurrentTime();
|
|
req->timeout = timeout;
|
|
copy_all_data( server_data_ptr(req), &data );
|
|
res = SERVER_CALL();
|
|
}
|
|
SERVER_END_VAR_REQ;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
/* no extra data, or not inter-process message */
|
|
SERVER_START_REQ( send_message )
|
|
{
|
|
req->id = (void *)dest_tid;
|
|
req->type = info->type;
|
|
req->win = info->hwnd;
|
|
req->msg = info->msg;
|
|
req->wparam = info->wparam;
|
|
req->lparam = info->lparam;
|
|
req->time = GetCurrentTime();
|
|
req->timeout = timeout;
|
|
res = SERVER_CALL();
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
done:
|
|
if (res)
|
|
{
|
|
if (res == STATUS_INVALID_PARAMETER)
|
|
/* FIXME: find a STATUS_ value for this one */
|
|
SetLastError( ERROR_INVALID_THREAD_ID );
|
|
else
|
|
SetLastError( RtlNtStatusToDosError(res) );
|
|
}
|
|
return !res;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* retrieve_reply
|
|
*
|
|
* Retrieve a message reply from the server.
|
|
*/
|
|
static LRESULT retrieve_reply( const struct send_message_info *info,
|
|
size_t reply_size, LRESULT *result )
|
|
{
|
|
NTSTATUS status;
|
|
|
|
if (reply_size)
|
|
{
|
|
if (reply_size > REQUEST_MAX_VAR_SIZE)
|
|
{
|
|
WARN( "reply_size %d too large, reply may be truncated\n", reply_size );
|
|
reply_size = REQUEST_MAX_VAR_SIZE;
|
|
}
|
|
SERVER_START_VAR_REQ( get_message_reply, reply_size )
|
|
{
|
|
req->cancel = 1;
|
|
if (!(status = SERVER_CALL()))
|
|
{
|
|
*result = req->result;
|
|
unpack_reply( info->hwnd, info->msg, info->wparam, info->lparam,
|
|
server_data_ptr(req), server_data_size(req) );
|
|
}
|
|
}
|
|
SERVER_END_VAR_REQ;
|
|
}
|
|
else
|
|
{
|
|
SERVER_START_REQ( get_message_reply )
|
|
{
|
|
req->cancel = 1;
|
|
if (!(status = SERVER_CALL())) *result = req->result;
|
|
}
|
|
SERVER_END_REQ;
|
|
}
|
|
|
|
TRACE( "hwnd %x msg %x (%s) wp %x lp %lx got reply %lx (err=%ld)\n",
|
|
info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam,
|
|
info->lparam, *result, status );
|
|
|
|
if (!status) return 1;
|
|
if (status == STATUS_TIMEOUT) SetLastError(0); /* timeout */
|
|
else SetLastError( RtlNtStatusToDosError(status) );
|
|
return 0;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* send_inter_thread_message
|
|
*/
|
|
static LRESULT send_inter_thread_message( DWORD dest_tid, const struct send_message_info *info,
|
|
LRESULT *res_ptr )
|
|
{
|
|
LRESULT ret;
|
|
int locks;
|
|
size_t reply_size = 0;
|
|
|
|
TRACE( "hwnd %x msg %x (%s) wp %x lp %lx\n",
|
|
info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam, info->lparam );
|
|
|
|
if (!put_message_in_queue( dest_tid, info, &reply_size )) return 0;
|
|
|
|
/* there's no reply to wait for on notify/callback messages */
|
|
if (info->type == MSG_NOTIFY || info->type == MSG_CALLBACK) return 1;
|
|
|
|
locks = WIN_SuspendWndsLock();
|
|
|
|
wait_message_reply( info->flags );
|
|
ret = retrieve_reply( info, reply_size, res_ptr );
|
|
|
|
WIN_RestoreWndsLock( locks );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SendMessageTimeoutW (USER32.@)
|
|
*/
|
|
LRESULT WINAPI SendMessageTimeoutW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
|
|
UINT flags, UINT timeout, LPDWORD res_ptr )
|
|
{
|
|
struct send_message_info info;
|
|
DWORD dest_tid, dest_pid;
|
|
LRESULT ret, result;
|
|
|
|
info.type = MSG_UNICODE;
|
|
info.hwnd = hwnd;
|
|
info.msg = msg;
|
|
info.wparam = wparam;
|
|
info.lparam = lparam;
|
|
info.flags = flags;
|
|
info.timeout = timeout;
|
|
|
|
if (is_broadcast(hwnd))
|
|
{
|
|
EnumWindows( broadcast_message_callback, (LPARAM)&info );
|
|
if (res_ptr) *res_ptr = 1;
|
|
return 1;
|
|
}
|
|
|
|
SPY_EnterMessage( SPY_SENDMESSAGE, hwnd, msg, wparam, lparam );
|
|
|
|
if (!(dest_tid = GetWindowThreadProcessId( hwnd, &dest_pid ))) return 0;
|
|
|
|
if (USER_IsExitingThread( dest_tid )) return 0;
|
|
|
|
if (dest_tid == GetCurrentThreadId())
|
|
{
|
|
result = call_window_proc( hwnd, msg, wparam, lparam, TRUE );
|
|
ret = 1;
|
|
}
|
|
else
|
|
{
|
|
if (dest_pid != GetCurrentProcessId()) info.type = MSG_OTHER_PROCESS;
|
|
ret = send_inter_thread_message( dest_tid, &info, &result );
|
|
}
|
|
|
|
SPY_ExitMessage( SPY_RESULT_OK, hwnd, msg, result, wparam, lparam );
|
|
if (ret && res_ptr) *res_ptr = result;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SendMessageTimeoutA (USER32.@)
|
|
*/
|
|
LRESULT WINAPI SendMessageTimeoutA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
|
|
UINT flags, UINT timeout, LPDWORD res_ptr )
|
|
{
|
|
struct send_message_info info;
|
|
DWORD dest_tid, dest_pid;
|
|
LRESULT ret, result;
|
|
|
|
info.type = MSG_ASCII;
|
|
info.hwnd = hwnd;
|
|
info.msg = msg;
|
|
info.wparam = wparam;
|
|
info.lparam = lparam;
|
|
info.flags = flags;
|
|
info.timeout = timeout;
|
|
|
|
if (is_broadcast(hwnd))
|
|
{
|
|
EnumWindows( broadcast_message_callback, (LPARAM)&info );
|
|
if (res_ptr) *res_ptr = 1;
|
|
return 1;
|
|
}
|
|
|
|
SPY_EnterMessage( SPY_SENDMESSAGE, hwnd, msg, wparam, lparam );
|
|
|
|
if (!(dest_tid = GetWindowThreadProcessId( hwnd, &dest_pid ))) return 0;
|
|
|
|
if (USER_IsExitingThread( dest_tid )) return 0;
|
|
|
|
if (dest_tid == GetCurrentThreadId())
|
|
{
|
|
result = call_window_proc( hwnd, msg, wparam, lparam, FALSE );
|
|
ret = 1;
|
|
}
|
|
else if (dest_pid == GetCurrentProcessId())
|
|
{
|
|
ret = send_inter_thread_message( dest_tid, &info, &result );
|
|
}
|
|
else
|
|
{
|
|
/* inter-process message: need to map to Unicode */
|
|
info.type = MSG_OTHER_PROCESS;
|
|
if (is_unicode_message( info.msg ))
|
|
{
|
|
if (WINPROC_MapMsg32ATo32W( info.hwnd, info.msg, &info.wparam, &info.lparam ) == -1)
|
|
return 0;
|
|
ret = send_inter_thread_message( dest_tid, &info, &result );
|
|
result = WINPROC_UnmapMsg32ATo32W( info.hwnd, info.msg, info.wparam,
|
|
info.lparam, result );
|
|
}
|
|
else ret = send_inter_thread_message( dest_tid, &info, &result );
|
|
}
|
|
SPY_ExitMessage( SPY_RESULT_OK, hwnd, msg, result, wparam, lparam );
|
|
if (ret && res_ptr) *res_ptr = result;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SendMessageW (USER32.@)
|
|
*/
|
|
LRESULT WINAPI SendMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
|
|
{
|
|
LRESULT res = 0;
|
|
SendMessageTimeoutW( hwnd, msg, wparam, lparam, SMTO_NORMAL, INFINITE, &res );
|
|
return res;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SendMessageA (USER32.@)
|
|
*/
|
|
LRESULT WINAPI SendMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
|
|
{
|
|
LRESULT res = 0;
|
|
SendMessageTimeoutA( hwnd, msg, wparam, lparam, SMTO_NORMAL, INFINITE, &res );
|
|
return res;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SendNotifyMessageA (USER32.@)
|
|
*/
|
|
BOOL WINAPI SendNotifyMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
|
|
{
|
|
return SendNotifyMessageW( hwnd, msg, map_wparam_AtoW( msg, wparam ), lparam );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SendNotifyMessageW (USER32.@)
|
|
*/
|
|
BOOL WINAPI SendNotifyMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
|
|
{
|
|
struct send_message_info info;
|
|
DWORD dest_tid;
|
|
LRESULT result;
|
|
|
|
if (is_pointer_message(msg))
|
|
{
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
|
|
info.type = MSG_NOTIFY;
|
|
info.hwnd = hwnd;
|
|
info.msg = msg;
|
|
info.wparam = wparam;
|
|
info.lparam = lparam;
|
|
|
|
if (is_broadcast(hwnd))
|
|
{
|
|
EnumWindows( broadcast_message_callback, (LPARAM)&info );
|
|
return TRUE;
|
|
}
|
|
|
|
if (!(dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
|
|
|
|
if (USER_IsExitingThread( dest_tid )) return TRUE;
|
|
|
|
if (dest_tid == GetCurrentThreadId())
|
|
{
|
|
call_window_proc( hwnd, msg, wparam, lparam, TRUE );
|
|
return TRUE;
|
|
}
|
|
return send_inter_thread_message( dest_tid, &info, &result );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SendMessageCallbackA (USER32.@)
|
|
*/
|
|
BOOL WINAPI SendMessageCallbackA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
|
|
SENDASYNCPROC callback, ULONG_PTR data )
|
|
{
|
|
return SendMessageCallbackW( hwnd, msg, map_wparam_AtoW( msg, wparam ),
|
|
lparam, callback, data );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SendMessageCallbackW (USER32.@)
|
|
*/
|
|
BOOL WINAPI SendMessageCallbackW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
|
|
SENDASYNCPROC callback, ULONG_PTR data )
|
|
{
|
|
struct send_message_info info;
|
|
LRESULT result;
|
|
DWORD dest_tid;
|
|
|
|
if (is_pointer_message(msg))
|
|
{
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
|
|
info.type = MSG_CALLBACK;
|
|
info.hwnd = hwnd;
|
|
info.msg = msg;
|
|
info.wparam = wparam;
|
|
info.lparam = lparam;
|
|
info.callback = callback;
|
|
info.data = data;
|
|
|
|
if (is_broadcast(hwnd))
|
|
{
|
|
EnumWindows( broadcast_message_callback, (LPARAM)&info );
|
|
return TRUE;
|
|
}
|
|
|
|
if (!(dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
|
|
|
|
if (USER_IsExitingThread( dest_tid )) return TRUE;
|
|
|
|
if (dest_tid == GetCurrentThreadId())
|
|
{
|
|
result = call_window_proc( hwnd, msg, wparam, lparam, TRUE );
|
|
callback( hwnd, msg, data, result );
|
|
return TRUE;
|
|
}
|
|
FIXME( "callback will not be called\n" );
|
|
return send_inter_thread_message( dest_tid, &info, &result );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ReplyMessage (USER32.@)
|
|
*/
|
|
BOOL WINAPI ReplyMessage( LRESULT result )
|
|
{
|
|
MESSAGEQUEUE *queue = QUEUE_Current();
|
|
struct received_message_info *info = queue->receive_info;
|
|
|
|
if (!info) return FALSE;
|
|
reply_message( info, result, FALSE );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* InSendMessage (USER32.@)
|
|
*/
|
|
BOOL WINAPI InSendMessage(void)
|
|
{
|
|
return (InSendMessageEx(NULL) & (ISMEX_SEND|ISMEX_REPLIED)) == ISMEX_SEND;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* InSendMessageEx (USER32.@)
|
|
*/
|
|
DWORD WINAPI InSendMessageEx( LPVOID reserved )
|
|
{
|
|
MESSAGEQUEUE *queue = QUEUE_Current();
|
|
struct received_message_info *info = queue->receive_info;
|
|
|
|
if (info) return info->flags;
|
|
return ISMEX_NOSEND;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PostMessageA (USER32.@)
|
|
*/
|
|
BOOL WINAPI PostMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
|
|
{
|
|
return PostMessageW( hwnd, msg, map_wparam_AtoW( msg, wparam ), lparam );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PostMessageW (USER32.@)
|
|
*/
|
|
BOOL WINAPI PostMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
|
|
{
|
|
struct send_message_info info;
|
|
DWORD dest_tid;
|
|
|
|
if (is_pointer_message( msg ))
|
|
{
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return FALSE;
|
|
}
|
|
|
|
info.type = MSG_POSTED;
|
|
info.hwnd = hwnd;
|
|
info.msg = msg;
|
|
info.wparam = wparam;
|
|
info.lparam = lparam;
|
|
|
|
if (is_broadcast(hwnd))
|
|
{
|
|
EnumWindows( broadcast_message_callback, (LPARAM)&info );
|
|
return TRUE;
|
|
}
|
|
if (!(dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
|
|
|
|
if (USER_IsExitingThread( dest_tid )) return TRUE;
|
|
|
|
return put_message_in_queue( dest_tid, &info, NULL );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* PostThreadMessageA (USER32.@)
|
|
*/
|
|
BOOL WINAPI PostThreadMessageA( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
|
|
{
|
|
return PostThreadMessageW( thread, msg, map_wparam_AtoW( msg, wparam ), lparam );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* PostThreadMessageW (USER32.@)
|
|
*/
|
|
BOOL WINAPI PostThreadMessageW( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
|
|
{
|
|
struct send_message_info info;
|
|
|
|
if (is_pointer_message( msg ))
|
|
{
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return FALSE;
|
|
}
|
|
if (USER_IsExitingThread( thread )) return TRUE;
|
|
|
|
info.type = MSG_POSTED;
|
|
info.hwnd = 0;
|
|
info.msg = msg;
|
|
info.wparam = wparam;
|
|
info.lparam = lparam;
|
|
return put_message_in_queue( thread, &info, NULL );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PostQuitMessage (USER32.@)
|
|
*/
|
|
void WINAPI PostQuitMessage( INT exitCode )
|
|
{
|
|
PostThreadMessageW( GetCurrentThreadId(), WM_QUIT, exitCode, 0 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PeekMessageW (USER32.@)
|
|
*/
|
|
BOOL WINAPI PeekMessageW( MSG *msg_out, HWND hwnd, UINT first, UINT last, UINT flags )
|
|
{
|
|
MESSAGEQUEUE *queue;
|
|
MSG msg;
|
|
int locks;
|
|
|
|
/* check for graphics events */
|
|
if (USER_Driver.pMsgWaitForMultipleObjectsEx)
|
|
USER_Driver.pMsgWaitForMultipleObjectsEx( 0, NULL, 0, 0, 0 );
|
|
|
|
hwnd = WIN_GetFullHandle( hwnd );
|
|
locks = WIN_SuspendWndsLock();
|
|
|
|
if (!MSG_peek_message( &msg, hwnd, first, last,
|
|
(flags & PM_REMOVE) ? GET_MSG_REMOVE : 0 ))
|
|
{
|
|
/* FIXME: should be done before checking for hw events */
|
|
MSG_JournalPlayBackMsg();
|
|
|
|
if (!(flags & PM_NOYIELD))
|
|
{
|
|
DWORD count;
|
|
ReleaseThunkLock(&count);
|
|
if (count) RestoreThunkLock(count);
|
|
}
|
|
WIN_RestoreWndsLock( locks );
|
|
return FALSE;
|
|
}
|
|
|
|
WIN_RestoreWndsLock( locks );
|
|
|
|
/* need to fill the window handle for WM_PAINT message */
|
|
if (msg.message == WM_PAINT)
|
|
{
|
|
if (!(msg.hwnd = WIN_FindWinToRepaint( hwnd ))) return FALSE;
|
|
|
|
if (IsIconic( msg.hwnd ) && GetClassLongA( msg.hwnd, GCL_HICON ))
|
|
{
|
|
msg.message = WM_PAINTICON;
|
|
msg.wParam = 1;
|
|
}
|
|
|
|
/* check hwnd filter */
|
|
if (hwnd && msg.hwnd != hwnd && !IsChild( hwnd, msg.hwnd )) return FALSE;
|
|
|
|
/* clear internal paint flag */
|
|
RedrawWindow( msg.hwnd, NULL, 0, RDW_NOINTERNALPAINT | RDW_NOCHILDREN );
|
|
}
|
|
|
|
if ((queue = QUEUE_Current()))
|
|
{
|
|
queue->GetMessageTimeVal = msg.time;
|
|
queue->GetMessagePosVal = MAKELONG( msg.pt.x, msg.pt.y );
|
|
}
|
|
|
|
HOOK_CallHooksW( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)&msg );
|
|
|
|
/* copy back our internal safe copy of message data to msg_out.
|
|
* msg_out is a variable from the *program*, so it can't be used
|
|
* internally as it can get "corrupted" by our use of SendMessage()
|
|
* (back to the program) inside the message handling itself. */
|
|
*msg_out = msg;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PeekMessageA (USER32.@)
|
|
*/
|
|
BOOL WINAPI PeekMessageA( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags )
|
|
{
|
|
BOOL ret = PeekMessageW( msg, hwnd, first, last, flags );
|
|
if (ret) msg->wParam = map_wparam_WtoA( msg->message, msg->wParam );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetMessageW (USER32.@)
|
|
*/
|
|
BOOL WINAPI GetMessageW( MSG *msg, HWND hwnd, UINT first, UINT last )
|
|
{
|
|
MESSAGEQUEUE *queue = QUEUE_Current();
|
|
int mask, locks;
|
|
|
|
mask = QS_POSTMESSAGE | QS_SENDMESSAGE; /* Always selected */
|
|
if (first || last)
|
|
{
|
|
if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY;
|
|
if ( ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) ||
|
|
((first <= WM_NCMOUSELAST) && (last >= WM_NCMOUSEFIRST)) ) mask |= QS_MOUSE;
|
|
if ((first <= WM_TIMER) && (last >= WM_TIMER)) mask |= QS_TIMER;
|
|
if ((first <= WM_SYSTIMER) && (last >= WM_SYSTIMER)) mask |= QS_TIMER;
|
|
if ((first <= WM_PAINT) && (last >= WM_PAINT)) mask |= QS_PAINT;
|
|
}
|
|
else mask |= QS_MOUSE | QS_KEY | QS_TIMER | QS_PAINT;
|
|
|
|
locks = WIN_SuspendWndsLock();
|
|
|
|
while (!PeekMessageW( msg, hwnd, first, last, PM_REMOVE ))
|
|
{
|
|
/* wait until one of the bits is set */
|
|
unsigned int wake_bits = 0, changed_bits = 0;
|
|
DWORD dwlc;
|
|
|
|
SERVER_START_REQ( set_queue_mask )
|
|
{
|
|
req->wake_mask = QS_SENDMESSAGE;
|
|
req->changed_mask = mask;
|
|
req->skip_wait = 1;
|
|
if (!SERVER_CALL())
|
|
{
|
|
wake_bits = req->wake_bits;
|
|
changed_bits = req->changed_bits;
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
if (changed_bits & mask) continue;
|
|
if (wake_bits & QS_SENDMESSAGE) continue;
|
|
|
|
TRACE( "(%04x) mask=%08x, bits=%08x, changed=%08x, waiting\n",
|
|
queue->self, mask, wake_bits, changed_bits );
|
|
|
|
ReleaseThunkLock( &dwlc );
|
|
if (USER_Driver.pMsgWaitForMultipleObjectsEx)
|
|
USER_Driver.pMsgWaitForMultipleObjectsEx( 1, &queue->server_queue, INFINITE, 0, 0 );
|
|
else
|
|
WaitForSingleObject( queue->server_queue, INFINITE );
|
|
if (dwlc) RestoreThunkLock( dwlc );
|
|
}
|
|
|
|
WIN_RestoreWndsLock( locks );
|
|
|
|
return (msg->message != WM_QUIT);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetMessageA (USER32.@)
|
|
*/
|
|
BOOL WINAPI GetMessageA( MSG *msg, HWND hwnd, UINT first, UINT last )
|
|
{
|
|
GetMessageW( msg, hwnd, first, last );
|
|
msg->wParam = map_wparam_WtoA( msg->message, msg->wParam );
|
|
return (msg->message != WM_QUIT);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetMessageQueue (USER32.@)
|
|
*/
|
|
BOOL WINAPI SetMessageQueue( INT size )
|
|
{
|
|
/* now obsolete the message queue will be expanded dynamically as necessary */
|
|
return TRUE;
|
|
}
|