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wine/dlls/comctl32/commctrl.c
Francois Gouget 9d589acc26 Assorted spelling fixes.
2005-01-04 20:39:54 +00:00

1552 lines
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/*
* Common controls functions
*
* Copyright 1997 Dimitrie O. Paun
* Copyright 1998,2000 Eric Kohl
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* NOTES
*
* This code was audited for completeness against the documented features
* of Comctl32.dll version 6.0 on Oct. 21, 2002, by Christian Neumair.
*
* Unless otherwise noted, we believe this code to be complete, as per
* the specification mentioned above.
* If you discover missing features, or bugs, please note them below.
*
* TODO
* -- implement GetMUILanguage + InitMUILanguage
* -- LibMain => DLLMain ("DLLMain takes over the functionality of both the
* LibMain and the WEP function.", MSDN)
* -- finish NOTES for MenuHelp, GetEffectiveClientRect and GetStatusTextW
* -- FIXMEs + BUGS (search for them)
*
* Control Classes
* -- ICC_ANIMATE_CLASS
* -- ICC_BAR_CLASSES
* -- ICC_COOL_CLASSES
* -- ICC_DATE_CLASSES
* -- ICC_HOTKEY_CLASS
* -- ICC_INTERNET_CLASSES
* -- ICC_LINK_CLASS
* -- ICC_LISTVIEW_CLASSES
* -- ICC_NATIVEFNTCTL_CLASS
* -- ICC_PAGESCROLLER_CLASS
* -- ICC_PROGRESS_CLASS
* -- ICC_STANDARD_CLASSES (not yet implemented)
* -- ICC_TAB_CLASSES
* -- ICC_TREEVIEW_CLASSES
* -- ICC_UPDOWN_CLASS
* -- ICC_USEREX_CLASSES
* -- ICC_WIN95_CLASSES
*/
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
#include "commctrl.h"
#include "winerror.h"
#include "winreg.h"
#define NO_SHLWAPI_STREAM
#include "shlwapi.h"
#include "comctl32.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(commctrl);
extern void ANIMATE_Register(void);
extern void ANIMATE_Unregister(void);
extern void COMBOEX_Register(void);
extern void COMBOEX_Unregister(void);
extern void DATETIME_Register(void);
extern void DATETIME_Unregister(void);
extern void FLATSB_Register(void);
extern void FLATSB_Unregister(void);
extern void HEADER_Register(void);
extern void HEADER_Unregister(void);
extern void HOTKEY_Register(void);
extern void HOTKEY_Unregister(void);
extern void IPADDRESS_Register(void);
extern void IPADDRESS_Unregister(void);
extern void LISTVIEW_Register(void);
extern void LISTVIEW_Unregister(void);
extern void MONTHCAL_Register(void);
extern void MONTHCAL_Unregister(void);
extern void NATIVEFONT_Register(void);
extern void NATIVEFONT_Unregister(void);
extern void PAGER_Register(void);
extern void PAGER_Unregister(void);
extern void PROGRESS_Register(void);
extern void PROGRESS_Unregister(void);
extern void REBAR_Register(void);
extern void REBAR_Unregister(void);
extern void STATUS_Register(void);
extern void STATUS_Unregister(void);
extern void SYSLINK_Register(void);
extern void SYSLINK_Unregister(void);
extern void TAB_Register(void);
extern void TAB_Unregister(void);
extern void TOOLBAR_Register(void);
extern void TOOLBAR_Unregister(void);
extern void TOOLTIPS_Register(void);
extern void TOOLTIPS_Unregister(void);
extern void TRACKBAR_Register(void);
extern void TRACKBAR_Unregister(void);
extern void TREEVIEW_Register(void);
extern void TREEVIEW_Unregister(void);
extern void UPDOWN_Register(void);
extern void UPDOWN_Unregister(void);
LRESULT WINAPI COMCTL32_SubclassProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
LPSTR COMCTL32_aSubclass = NULL;
HMODULE COMCTL32_hModule = 0;
LANGID COMCTL32_uiLang = MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL);
HBRUSH COMCTL32_hPattern55AABrush = NULL;
COMCTL32_SysColor comctl32_color;
static HBITMAP COMCTL32_hPattern55AABitmap = NULL;
static const WORD wPattern55AA[] =
{
0x5555, 0xaaaa, 0x5555, 0xaaaa,
0x5555, 0xaaaa, 0x5555, 0xaaaa
};
/***********************************************************************
* DllMain [Internal]
*
* Initializes the internal 'COMCTL32.DLL'.
*
* PARAMS
* hinstDLL [I] handle to the 'dlls' instance
* fdwReason [I]
* lpvReserved [I] reserverd, must be NULL
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
TRACE("%p,%lx,%p\n", hinstDLL, fdwReason, lpvReserved);
switch (fdwReason) {
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(hinstDLL);
COMCTL32_hModule = (HMODULE)hinstDLL;
/* add global subclassing atom (used by 'tooltip' and 'updown') */
COMCTL32_aSubclass = (LPSTR)(DWORD)GlobalAddAtomA ("CC32SubclassInfo");
TRACE("Subclassing atom added: %p\n", COMCTL32_aSubclass);
/* create local pattern brush */
COMCTL32_hPattern55AABitmap = CreateBitmap (8, 8, 1, 1, wPattern55AA);
COMCTL32_hPattern55AABrush = CreatePatternBrush (COMCTL32_hPattern55AABitmap);
/* Get all the colors at DLL load */
COMCTL32_RefreshSysColors();
/* register all Win95 common control classes */
ANIMATE_Register ();
FLATSB_Register ();
HEADER_Register ();
HOTKEY_Register ();
LISTVIEW_Register ();
PROGRESS_Register ();
STATUS_Register ();
SYSLINK_Register ();
TAB_Register ();
TOOLBAR_Register ();
TOOLTIPS_Register ();
TRACKBAR_Register ();
TREEVIEW_Register ();
UPDOWN_Register ();
break;
case DLL_PROCESS_DETACH:
/* unregister all common control classes */
ANIMATE_Unregister ();
COMBOEX_Unregister ();
DATETIME_Unregister ();
FLATSB_Unregister ();
HEADER_Unregister ();
HOTKEY_Unregister ();
IPADDRESS_Unregister ();
LISTVIEW_Unregister ();
MONTHCAL_Unregister ();
NATIVEFONT_Unregister ();
PAGER_Unregister ();
PROGRESS_Unregister ();
REBAR_Unregister ();
STATUS_Unregister ();
SYSLINK_Unregister ();
TAB_Unregister ();
TOOLBAR_Unregister ();
TOOLTIPS_Unregister ();
TRACKBAR_Unregister ();
TREEVIEW_Unregister ();
UPDOWN_Unregister ();
/* delete local pattern brush */
DeleteObject (COMCTL32_hPattern55AABrush);
COMCTL32_hPattern55AABrush = NULL;
DeleteObject (COMCTL32_hPattern55AABitmap);
COMCTL32_hPattern55AABitmap = NULL;
/* delete global subclassing atom */
GlobalDeleteAtom (LOWORD(COMCTL32_aSubclass));
TRACE("Subclassing atom deleted: %p\n", COMCTL32_aSubclass);
COMCTL32_aSubclass = NULL;
break;
}
return TRUE;
}
/***********************************************************************
* MenuHelp [COMCTL32.2]
*
* Handles the setting of status bar help messages when the user
* selects menu items.
*
* PARAMS
* uMsg [I] message (WM_MENUSELECT) (see NOTES)
* wParam [I] wParam of the message uMsg
* lParam [I] lParam of the message uMsg
* hMainMenu [I] handle to the application's main menu
* hInst [I] handle to the module that contains string resources
* hwndStatus [I] handle to the status bar window
* lpwIDs [I] pointer to an array of integers (see NOTES)
*
* RETURNS
* No return value
*
* NOTES
* The official documentation is incomplete!
* This is the correct documentation:
*
* uMsg:
* MenuHelp() does NOT handle WM_COMMAND messages! It only handles
* WM_MENUSELECT messages.
*
* lpwIDs:
* (will be written ...)
*/
VOID WINAPI
MenuHelp (UINT uMsg, WPARAM wParam, LPARAM lParam, HMENU hMainMenu,
HINSTANCE hInst, HWND hwndStatus, UINT* lpwIDs)
{
UINT uMenuID = 0;
if (!IsWindow (hwndStatus))
return;
switch (uMsg) {
case WM_MENUSELECT:
TRACE("WM_MENUSELECT wParam=0x%X lParam=0x%lX\n",
wParam, lParam);
if ((HIWORD(wParam) == 0xFFFF) && (lParam == 0)) {
/* menu was closed */
TRACE("menu was closed!\n");
SendMessageA (hwndStatus, SB_SIMPLE, FALSE, 0);
}
else {
/* menu item was selected */
if (HIWORD(wParam) & MF_POPUP)
uMenuID = (UINT)*(lpwIDs+1);
else
uMenuID = (UINT)LOWORD(wParam);
TRACE("uMenuID = %u\n", uMenuID);
if (uMenuID) {
CHAR szText[256];
if (!LoadStringA (hInst, uMenuID, szText, 256))
szText[0] = '\0';
SendMessageA (hwndStatus, SB_SETTEXTA,
255 | SBT_NOBORDERS, (LPARAM)szText);
SendMessageA (hwndStatus, SB_SIMPLE, TRUE, 0);
}
}
break;
case WM_COMMAND :
TRACE("WM_COMMAND wParam=0x%X lParam=0x%lX\n",
wParam, lParam);
/* WM_COMMAND is not invalid since it is documented
* in the windows api reference. So don't output
* any FIXME for WM_COMMAND
*/
WARN("We don't care about the WM_COMMAND\n");
break;
default:
FIXME("Invalid Message 0x%x!\n", uMsg);
break;
}
}
/***********************************************************************
* ShowHideMenuCtl [COMCTL32.3]
*
* Shows or hides controls and updates the corresponding menu item.
*
* PARAMS
* hwnd [I] handle to the client window.
* uFlags [I] menu command id.
* lpInfo [I] pointer to an array of integers. (See NOTES.)
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* The official documentation is incomplete!
* This is the correct documentation:
*
* hwnd
* Handle to the window that contains the menu and controls.
*
* uFlags
* Identifier of the menu item to receive or lose a check mark.
*
* lpInfo
* The array of integers contains pairs of values. BOTH values of
* the first pair must be the handles to the application's main menu.
* Each subsequent pair consists of a menu id and control id.
*/
BOOL WINAPI
ShowHideMenuCtl (HWND hwnd, UINT uFlags, LPINT lpInfo)
{
LPINT lpMenuId;
TRACE("%p, %x, %p\n", hwnd, uFlags, lpInfo);
if (lpInfo == NULL)
return FALSE;
if (!(lpInfo[0]) || !(lpInfo[1]))
return FALSE;
/* search for control */
lpMenuId = &lpInfo[2];
while (*lpMenuId != uFlags)
lpMenuId += 2;
if (GetMenuState ((HMENU)lpInfo[1], uFlags, MF_BYCOMMAND) & MFS_CHECKED) {
/* uncheck menu item */
CheckMenuItem ((HMENU)lpInfo[0], *lpMenuId, MF_BYCOMMAND | MF_UNCHECKED);
/* hide control */
lpMenuId++;
SetWindowPos (GetDlgItem (hwnd, *lpMenuId), 0, 0, 0, 0, 0,
SWP_HIDEWINDOW);
}
else {
/* check menu item */
CheckMenuItem ((HMENU)lpInfo[0], *lpMenuId, MF_BYCOMMAND | MF_CHECKED);
/* show control */
lpMenuId++;
SetWindowPos (GetDlgItem (hwnd, *lpMenuId), 0, 0, 0, 0, 0,
SWP_SHOWWINDOW);
}
return TRUE;
}
/***********************************************************************
* GetEffectiveClientRect [COMCTL32.4]
*
* Calculates the coordinates of a rectangle in the client area.
*
* PARAMS
* hwnd [I] handle to the client window.
* lpRect [O] pointer to the rectangle of the client window
* lpInfo [I] pointer to an array of integers (see NOTES)
*
* RETURNS
* No return value.
*
* NOTES
* The official documentation is incomplete!
* This is the correct documentation:
*
* lpInfo
* (will be written ...)
*/
VOID WINAPI
GetEffectiveClientRect (HWND hwnd, LPRECT lpRect, LPINT lpInfo)
{
RECT rcCtrl;
INT *lpRun;
HWND hwndCtrl;
TRACE("(0x%08lx 0x%08lx 0x%08lx)\n",
(DWORD)hwnd, (DWORD)lpRect, (DWORD)lpInfo);
GetClientRect (hwnd, lpRect);
lpRun = lpInfo;
do {
lpRun += 2;
if (*lpRun == 0)
return;
lpRun++;
hwndCtrl = GetDlgItem (hwnd, *lpRun);
if (GetWindowLongA (hwndCtrl, GWL_STYLE) & WS_VISIBLE) {
TRACE("control id 0x%x\n", *lpRun);
GetWindowRect (hwndCtrl, &rcCtrl);
MapWindowPoints (NULL, hwnd, (LPPOINT)&rcCtrl, 2);
SubtractRect (lpRect, lpRect, &rcCtrl);
}
lpRun++;
} while (*lpRun);
}
/***********************************************************************
* DrawStatusTextW [COMCTL32.@]
*
* Draws text with borders, like in a status bar.
*
* PARAMS
* hdc [I] handle to the window's display context
* lprc [I] pointer to a rectangle
* text [I] pointer to the text
* style [I] drawing style
*
* RETURNS
* No return value.
*
* NOTES
* The style variable can have one of the following values:
* (will be written ...)
*/
void WINAPI DrawStatusTextW (HDC hdc, LPRECT lprc, LPCWSTR text, UINT style)
{
RECT r = *lprc;
UINT border = BDR_SUNKENOUTER;
if (style & SBT_POPOUT)
border = BDR_RAISEDOUTER;
else if (style & SBT_NOBORDERS)
border = 0;
DrawEdge (hdc, &r, border, BF_RECT|BF_ADJUST);
/* now draw text */
if (text) {
int oldbkmode = SetBkMode (hdc, TRANSPARENT);
UINT align = DT_LEFT;
if (*text == L'\t') {
text++;
align = DT_CENTER;
if (*text == L'\t') {
text++;
align = DT_RIGHT;
}
}
r.left += 3;
if (style & SBT_RTLREADING)
FIXME("Unsupported RTL style!\n");
DrawTextW (hdc, text, -1, &r, align|DT_VCENTER|DT_SINGLELINE|DT_NOPREFIX);
SetBkMode(hdc, oldbkmode);
}
}
/***********************************************************************
* DrawStatusText [COMCTL32.@]
* DrawStatusTextA [COMCTL32.5]
*
* Draws text with borders, like in a status bar.
*
* PARAMS
* hdc [I] handle to the window's display context
* lprc [I] pointer to a rectangle
* text [I] pointer to the text
* style [I] drawing style
*
* RETURNS
* No return value.
*/
void WINAPI DrawStatusTextA (HDC hdc, LPRECT lprc, LPCSTR text, UINT style)
{
INT len;
LPWSTR textW = NULL;
if ( text ) {
if ( (len = MultiByteToWideChar( CP_ACP, 0, text, -1, NULL, 0 )) ) {
if ( (textW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )) )
MultiByteToWideChar( CP_ACP, 0, text, -1, textW, len );
}
}
DrawStatusTextW( hdc, lprc, textW, style );
HeapFree( GetProcessHeap(), 0, textW );
}
/***********************************************************************
* CreateStatusWindow [COMCTL32.@]
* CreateStatusWindowA [COMCTL32.6]
*
* Creates a status bar
*
* PARAMS
* style [I] window style
* text [I] pointer to the window text
* parent [I] handle to the parent window
* wid [I] control id of the status bar
*
* RETURNS
* Success: handle to the status window
* Failure: 0
*/
HWND WINAPI
CreateStatusWindowA (LONG style, LPCSTR text, HWND parent, UINT wid)
{
return CreateWindowA(STATUSCLASSNAMEA, text, style,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
parent, (HMENU)wid, 0, 0);
}
/***********************************************************************
* CreateStatusWindowW [COMCTL32.@]
*
* Creates a status bar control
*
* PARAMS
* style [I] window style
* text [I] pointer to the window text
* parent [I] handle to the parent window
* wid [I] control id of the status bar
*
* RETURNS
* Success: handle to the status window
* Failure: 0
*/
HWND WINAPI
CreateStatusWindowW (LONG style, LPCWSTR text, HWND parent, UINT wid)
{
return CreateWindowW(STATUSCLASSNAMEW, text, style,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
parent, (HMENU)wid, 0, 0);
}
/***********************************************************************
* CreateUpDownControl [COMCTL32.16]
*
* Creates an up-down control
*
* PARAMS
* style [I] window styles
* x [I] horizontal position of the control
* y [I] vertical position of the control
* cx [I] with of the control
* cy [I] height of the control
* parent [I] handle to the parent window
* id [I] the control's identifier
* inst [I] handle to the application's module instance
* buddy [I] handle to the buddy window, can be NULL
* maxVal [I] upper limit of the control
* minVal [I] lower limit of the control
* curVal [I] current value of the control
*
* RETURNS
* Success: handle to the updown control
* Failure: 0
*/
HWND WINAPI
CreateUpDownControl (DWORD style, INT x, INT y, INT cx, INT cy,
HWND parent, INT id, HINSTANCE inst,
HWND buddy, INT maxVal, INT minVal, INT curVal)
{
HWND hUD =
CreateWindowA (UPDOWN_CLASSA, 0, style, x, y, cx, cy,
parent, (HMENU)id, inst, 0);
if (hUD) {
SendMessageA (hUD, UDM_SETBUDDY, (WPARAM)buddy, 0);
SendMessageA (hUD, UDM_SETRANGE, 0, MAKELONG(maxVal, minVal));
SendMessageA (hUD, UDM_SETPOS, 0, MAKELONG(curVal, 0));
}
return hUD;
}
/***********************************************************************
* InitCommonControls [COMCTL32.17]
*
* Registers the common controls.
*
* PARAMS
* No parameters.
*
* RETURNS
* No return values.
*
* NOTES
* This function is just a dummy.
* The Win95 controls are registered at the DLL's initialization.
* To register other controls InitCommonControlsEx() must be used.
*/
VOID WINAPI
InitCommonControls (void)
{
}
/***********************************************************************
* InitCommonControlsEx [COMCTL32.@]
*
* Registers the common controls.
*
* PARAMS
* lpInitCtrls [I] pointer to an INITCOMMONCONTROLS structure.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* Only the additional common controls are registered by this function.
* The Win95 controls are registered at the DLL's initialization.
*
* FIXME
* implement the following control classes:
* ICC_LINK_CLASS
* ICC_STANDARD_CLASSES
*/
BOOL WINAPI
InitCommonControlsEx (LPINITCOMMONCONTROLSEX lpInitCtrls)
{
INT cCount;
DWORD dwMask;
if (!lpInitCtrls)
return FALSE;
if (lpInitCtrls->dwSize != sizeof(INITCOMMONCONTROLSEX))
return FALSE;
TRACE("(0x%08lx)\n", lpInitCtrls->dwICC);
for (cCount = 0; cCount < 32; cCount++) {
dwMask = 1 << cCount;
if (!(lpInitCtrls->dwICC & dwMask))
continue;
switch (lpInitCtrls->dwICC & dwMask) {
/* dummy initialization */
case ICC_ANIMATE_CLASS:
case ICC_BAR_CLASSES:
case ICC_LISTVIEW_CLASSES:
case ICC_TREEVIEW_CLASSES:
case ICC_TAB_CLASSES:
case ICC_UPDOWN_CLASS:
case ICC_PROGRESS_CLASS:
case ICC_HOTKEY_CLASS:
break;
/* advanced classes - not included in Win95 */
case ICC_DATE_CLASSES:
MONTHCAL_Register ();
DATETIME_Register ();
break;
case ICC_USEREX_CLASSES:
COMBOEX_Register ();
break;
case ICC_COOL_CLASSES:
REBAR_Register ();
break;
case ICC_INTERNET_CLASSES:
IPADDRESS_Register ();
break;
case ICC_PAGESCROLLER_CLASS:
PAGER_Register ();
break;
case ICC_NATIVEFNTCTL_CLASS:
NATIVEFONT_Register ();
break;
case ICC_LINK_CLASS:
SYSLINK_Register ();
break;
default:
FIXME("Unknown class! dwICC=0x%lX\n", dwMask);
break;
}
}
return TRUE;
}
/***********************************************************************
* CreateToolbarEx [COMCTL32.@]
*
* Creates a toolbar window.
*
* PARAMS
* hwnd
* style
* wID
* nBitmaps
* hBMInst
* wBMID
* lpButtons
* iNumButtons
* dxButton
* dyButton
* dxBitmap
* dyBitmap
* uStructSize
*
* RETURNS
* Success: handle to the tool bar control
* Failure: 0
*/
HWND WINAPI
CreateToolbarEx (HWND hwnd, DWORD style, UINT wID, INT nBitmaps,
HINSTANCE hBMInst, UINT wBMID, LPCTBBUTTON lpButtons,
INT iNumButtons, INT dxButton, INT dyButton,
INT dxBitmap, INT dyBitmap, UINT uStructSize)
{
HWND hwndTB;
hwndTB =
CreateWindowExA(0, TOOLBARCLASSNAMEA, NULL, style|WS_CHILD, 0,0,100,30,
hwnd, (HMENU)wID, COMCTL32_hModule, NULL);
if(hwndTB) {
TBADDBITMAP tbab;
SendMessageA (hwndTB, TB_BUTTONSTRUCTSIZE,
(WPARAM)uStructSize, 0);
/* set bitmap and button size */
/*If CreateToolbarEx receives 0, windows sets default values*/
if (dxBitmap <= 0)
dxBitmap = 16;
if (dyBitmap <= 0)
dyBitmap = 15;
SendMessageA (hwndTB, TB_SETBITMAPSIZE, 0,
MAKELPARAM((WORD)dxBitmap, (WORD)dyBitmap));
if (dxButton <= 0)
dxButton = 24;
if (dyButton <= 0)
dyButton = 22;
SendMessageA (hwndTB, TB_SETBUTTONSIZE, 0,
MAKELPARAM((WORD)dxButton, (WORD)dyButton));
/* add bitmaps */
if (nBitmaps > 0)
{
tbab.hInst = hBMInst;
tbab.nID = wBMID;
SendMessageA (hwndTB, TB_ADDBITMAP,
(WPARAM)nBitmaps, (LPARAM)&tbab);
}
/* add buttons */
if(iNumButtons > 0)
SendMessageA (hwndTB, TB_ADDBUTTONSA,
(WPARAM)iNumButtons, (LPARAM)lpButtons);
}
return hwndTB;
}
/***********************************************************************
* CreateMappedBitmap [COMCTL32.8]
*
* Loads a bitmap resource using a colour map.
*
* PARAMS
* hInstance [I] Handle to the module containing the bitmap.
* idBitmap [I] The bitmap resource ID.
* wFlags [I] CMB_MASKED for using bitmap as a mask or 0 for normal.
* lpColorMap [I] Colour information needed for the bitmap or NULL (uses system colours).
* iNumMaps [I] Number of COLORMAP's pointed to by lpColorMap.
*
* RETURNS
* Success: handle to the new bitmap
* Failure: 0
*/
HBITMAP WINAPI
CreateMappedBitmap (HINSTANCE hInstance, INT idBitmap, UINT wFlags,
LPCOLORMAP lpColorMap, INT iNumMaps)
{
HGLOBAL hglb;
HRSRC hRsrc;
LPBITMAPINFOHEADER lpBitmap, lpBitmapInfo;
UINT nSize, nColorTableSize, iColor;
RGBQUAD *pColorTable;
INT i, iMaps, nWidth, nHeight;
HDC hdcScreen;
HBITMAP hbm;
LPCOLORMAP sysColorMap;
COLORREF cRef;
COLORMAP internalColorMap[4] =
{{0x000000, 0}, {0x808080, 0}, {0xC0C0C0, 0}, {0xFFFFFF, 0}};
/* initialize pointer to colortable and default color table */
if (lpColorMap) {
iMaps = iNumMaps;
sysColorMap = lpColorMap;
}
else {
internalColorMap[0].to = GetSysColor (COLOR_BTNTEXT);
internalColorMap[1].to = GetSysColor (COLOR_BTNSHADOW);
internalColorMap[2].to = GetSysColor (COLOR_BTNFACE);
internalColorMap[3].to = GetSysColor (COLOR_BTNHIGHLIGHT);
iMaps = 4;
sysColorMap = (LPCOLORMAP)internalColorMap;
}
hRsrc = FindResourceA (hInstance, (LPSTR)idBitmap, (LPSTR)RT_BITMAP);
if (hRsrc == 0)
return 0;
hglb = LoadResource (hInstance, hRsrc);
if (hglb == 0)
return 0;
lpBitmap = (LPBITMAPINFOHEADER)LockResource (hglb);
if (lpBitmap == NULL)
return 0;
if (lpBitmap->biSize >= sizeof(BITMAPINFOHEADER) && lpBitmap->biClrUsed)
nColorTableSize = lpBitmap->biClrUsed;
else if (lpBitmap->biBitCount <= 8)
nColorTableSize = (1 << lpBitmap->biBitCount);
else
nColorTableSize = 0;
nSize = lpBitmap->biSize + nColorTableSize * sizeof(RGBQUAD);
lpBitmapInfo = (LPBITMAPINFOHEADER)GlobalAlloc (GMEM_FIXED, nSize);
if (lpBitmapInfo == NULL)
return 0;
RtlMoveMemory (lpBitmapInfo, lpBitmap, nSize);
pColorTable = (RGBQUAD*)(((LPBYTE)lpBitmapInfo)+(UINT)lpBitmapInfo->biSize);
for (iColor = 0; iColor < nColorTableSize; iColor++) {
for (i = 0; i < iMaps; i++) {
cRef = RGB(pColorTable[iColor].rgbRed,
pColorTable[iColor].rgbGreen,
pColorTable[iColor].rgbBlue);
if ( cRef == sysColorMap[i].from) {
#if 0
if (wFlags & CBS_MASKED) {
if (sysColorMap[i].to != COLOR_BTNTEXT)
pColorTable[iColor] = RGB(255, 255, 255);
}
else
#endif
pColorTable[iColor].rgbBlue = GetBValue(sysColorMap[i].to);
pColorTable[iColor].rgbGreen = GetGValue(sysColorMap[i].to);
pColorTable[iColor].rgbRed = GetRValue(sysColorMap[i].to);
break;
}
}
}
nWidth = (INT)lpBitmapInfo->biWidth;
nHeight = (INT)lpBitmapInfo->biHeight;
hdcScreen = GetDC (NULL);
hbm = CreateCompatibleBitmap (hdcScreen, nWidth, nHeight);
if (hbm) {
HDC hdcDst = CreateCompatibleDC (hdcScreen);
HBITMAP hbmOld = SelectObject (hdcDst, hbm);
LPBYTE lpBits = (LPBYTE)(lpBitmap + 1);
lpBits += nColorTableSize * sizeof(RGBQUAD);
StretchDIBits (hdcDst, 0, 0, nWidth, nHeight, 0, 0, nWidth, nHeight,
lpBits, (LPBITMAPINFO)lpBitmapInfo, DIB_RGB_COLORS,
SRCCOPY);
SelectObject (hdcDst, hbmOld);
DeleteDC (hdcDst);
}
ReleaseDC (NULL, hdcScreen);
GlobalFree ((HGLOBAL)lpBitmapInfo);
FreeResource (hglb);
return hbm;
}
/***********************************************************************
* CreateToolbar [COMCTL32.7]
*
* Creates a toolbar control.
*
* PARAMS
* hwnd
* style
* wID
* nBitmaps
* hBMInst
* wBMID
* lpButtons
* iNumButtons
*
* RETURNS
* Success: handle to the tool bar control
* Failure: 0
*
* NOTES
* Do not use this functions anymore. Use CreateToolbarEx instead.
*/
HWND WINAPI
CreateToolbar (HWND hwnd, DWORD style, UINT wID, INT nBitmaps,
HINSTANCE hBMInst, UINT wBMID,
LPCTBBUTTON lpButtons,INT iNumButtons)
{
return CreateToolbarEx (hwnd, style | CCS_NODIVIDER, wID, nBitmaps,
hBMInst, wBMID, lpButtons,
iNumButtons, 0, 0, 0, 0, CCSIZEOF_STRUCT(TBBUTTON, dwData));
}
/***********************************************************************
* DllGetVersion [COMCTL32.@]
*
* Retrieves version information of the 'COMCTL32.DLL'
*
* PARAMS
* pdvi [O] pointer to version information structure.
*
* RETURNS
* Success: S_OK
* Failure: E_INVALIDARG
*
* NOTES
* Returns version of a comctl32.dll from IE4.01 SP1.
*/
HRESULT WINAPI
COMCTL32_DllGetVersion (DLLVERSIONINFO *pdvi)
{
if (pdvi->cbSize != sizeof(DLLVERSIONINFO)) {
WARN("wrong DLLVERSIONINFO size from app\n");
return E_INVALIDARG;
}
pdvi->dwMajorVersion = COMCTL32_VERSION;
pdvi->dwMinorVersion = COMCTL32_VERSION_MINOR;
pdvi->dwBuildNumber = 2919;
pdvi->dwPlatformID = 6304;
TRACE("%lu.%lu.%lu.%lu\n",
pdvi->dwMajorVersion, pdvi->dwMinorVersion,
pdvi->dwBuildNumber, pdvi->dwPlatformID);
return S_OK;
}
/***********************************************************************
* DllInstall (COMCTL32.@)
*
* Installs the ComCtl32 DLL.
*
* RETURNS
* Success: S_OK
* Failure: A HRESULT error
*/
HRESULT WINAPI COMCTL32_DllInstall(BOOL bInstall, LPCWSTR cmdline)
{
FIXME("(%s, %s): stub\n", bInstall?"TRUE":"FALSE",
debugstr_w(cmdline));
return S_OK;
}
/***********************************************************************
* _TrackMouseEvent [COMCTL32.@]
*
* Requests notification of mouse events
*
* During mouse tracking WM_MOUSEHOVER or WM_MOUSELEAVE events are posted
* to the hwnd specified in the ptme structure. After the event message
* is posted to the hwnd, the entry in the queue is removed.
*
* If the current hwnd isn't ptme->hwndTrack the TME_HOVER flag is completely
* ignored. The TME_LEAVE flag results in a WM_MOUSELEAVE message being posted
* immediately and the TME_LEAVE flag being ignored.
*
* PARAMS
* ptme [I,O] pointer to TRACKMOUSEEVENT information structure.
*
* RETURNS
* Success: non-zero
* Failure: zero
*
* IMPLEMENTATION moved to USER32.TrackMouseEvent
*
*/
BOOL WINAPI
_TrackMouseEvent (TRACKMOUSEEVENT *ptme)
{
return TrackMouseEvent (ptme);
}
/*************************************************************************
* GetMUILanguage [COMCTL32.@]
*
* Returns the user interface language in use by the current process.
*
* RETURNS
* Language ID in use by the current process.
*/
LANGID WINAPI GetMUILanguage (VOID)
{
return COMCTL32_uiLang;
}
/*************************************************************************
* InitMUILanguage [COMCTL32.@]
*
* Sets the user interface language to be used by the current process.
*
* RETURNS
* Nothing.
*/
VOID WINAPI InitMUILanguage (LANGID uiLang)
{
COMCTL32_uiLang = uiLang;
}
/***********************************************************************
* SetWindowSubclass [COMCTL32.410]
*
* Starts a window subclass
*
* PARAMS
* hWnd [in] handle to window subclass.
* pfnSubclass [in] Pointer to new window procedure.
* uIDSubclass [in] Unique identifier of sublass together with pfnSubclass.
* dwRef [in] Reference data to pass to window procedure.
*
* RETURNS
* Success: non-zero
* Failure: zero
*
* BUGS
* If an application manually subclasses a window after subclassing it with
* this API and then with this API again, then none of the previous
* subclasses get called or the origional window procedure.
*/
BOOL WINAPI SetWindowSubclass (HWND hWnd, SUBCLASSPROC pfnSubclass,
UINT_PTR uIDSubclass, DWORD_PTR dwRef)
{
LPSUBCLASS_INFO stack;
LPSUBCLASSPROCS proc;
TRACE ("(%p, %p, %x, %lx)\n", hWnd, pfnSubclass, uIDSubclass, dwRef);
/* Since the window procedure that we set here has two additional arguments,
* we can't simply set it as the new window procedure of the window. So we
* set our own window procedure and then calculate the other two arguments
* from there. */
/* See if we have been called for this window */
stack = (LPSUBCLASS_INFO)GetPropA (hWnd, COMCTL32_aSubclass);
if (!stack) {
/* allocate stack */
stack = (LPSUBCLASS_INFO)HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(SUBCLASS_INFO));
if (!stack) {
ERR ("Failed to allocate our Subclassing stack\n");
return FALSE;
}
SetPropA (hWnd, COMCTL32_aSubclass, (HANDLE)stack);
/* set window procedure to our own and save the current one */
if (IsWindowUnicode (hWnd))
stack->origproc = (WNDPROC)SetWindowLongPtrW (hWnd, GWLP_WNDPROC,
(DWORD_PTR)COMCTL32_SubclassProc);
else
stack->origproc = (WNDPROC)SetWindowLongPtrA (hWnd, GWLP_WNDPROC,
(DWORD_PTR)COMCTL32_SubclassProc);
}
else {
/* Check to see if we have called this function with the same uIDSubClass
* and pfnSubclass */
proc = stack->SubclassProcs;
while (proc) {
if ((proc->id == uIDSubclass) &&
(proc->subproc == pfnSubclass)) {
proc->ref = dwRef;
return TRUE;
}
proc = proc->next;
}
}
proc = HeapAlloc(GetProcessHeap(), 0, sizeof(SUBCLASSPROCS));
if (!proc) {
ERR ("Failed to allocate subclass entry in stack\n");
if (IsWindowUnicode (hWnd))
SetWindowLongPtrW (hWnd, GWLP_WNDPROC, (DWORD_PTR)stack->origproc);
else
SetWindowLongPtrA (hWnd, GWLP_WNDPROC, (DWORD_PTR)stack->origproc);
HeapFree (GetProcessHeap (), 0, stack);
RemovePropA( hWnd, COMCTL32_aSubclass );
return FALSE;
}
proc->subproc = pfnSubclass;
proc->ref = dwRef;
proc->id = uIDSubclass;
proc->next = stack->SubclassProcs;
stack->SubclassProcs = proc;
return TRUE;
}
/***********************************************************************
* GetWindowSubclass [COMCTL32.411]
*
* Gets the Reference data from a subclass.
*
* PARAMS
* hWnd [in] Handle to window which were subclassing
* pfnSubclass [in] Pointer to the subclass procedure
* uID [in] Unique indentifier of the subclassing procedure
* pdwRef [out] Pointer to the reference data
*
* RETURNS
* Success: Non-zero
* Failure: 0
*/
BOOL WINAPI GetWindowSubclass (HWND hWnd, SUBCLASSPROC pfnSubclass,
UINT_PTR uID, DWORD_PTR *pdwRef)
{
LPSUBCLASS_INFO stack;
LPSUBCLASSPROCS proc;
TRACE ("(%p, %p, %x, %p)\n", hWnd, pfnSubclass, uID, pdwRef);
/* See if we have been called for this window */
stack = (LPSUBCLASS_INFO)GetPropA (hWnd, COMCTL32_aSubclass);
if (!stack)
return FALSE;
proc = stack->SubclassProcs;
while (proc) {
if ((proc->id == uID) &&
(proc->subproc == pfnSubclass)) {
*pdwRef = proc->ref;
return TRUE;
}
proc = proc->next;
}
return FALSE;
}
/***********************************************************************
* RemoveWindowSubclass [COMCTL32.412]
*
* Removes a window subclass.
*
* PARAMS
* hWnd [in] Handle to the window were subclassing
* pfnSubclass [in] Pointer to the subclass procedure
* uID [in] Unique identifier of this subclass
*
* RETURNS
* Success: non-zero
* Failure: zero
*/
BOOL WINAPI RemoveWindowSubclass(HWND hWnd, SUBCLASSPROC pfnSubclass, UINT_PTR uID)
{
LPSUBCLASS_INFO stack;
LPSUBCLASSPROCS prevproc = NULL;
LPSUBCLASSPROCS proc;
BOOL ret = FALSE;
TRACE ("(%p, %p, %x)\n", hWnd, pfnSubclass, uID);
/* Find the Subclass to remove */
stack = (LPSUBCLASS_INFO)GetPropA (hWnd, COMCTL32_aSubclass);
if (!stack)
return FALSE;
proc = stack->SubclassProcs;
while (proc) {
if ((proc->id == uID) &&
(proc->subproc == pfnSubclass)) {
if (!prevproc)
stack->SubclassProcs = proc->next;
else
prevproc->next = proc->next;
if (stack->stackpos == proc)
stack->stackpos = stack->stackpos->next;
HeapFree (GetProcessHeap (), 0, proc);
ret = TRUE;
break;
}
prevproc = proc;
proc = proc->next;
}
if (!stack->SubclassProcs && !stack->running) {
TRACE("Last Subclass removed, cleaning up\n");
/* clean up our heap and reset the origional window procedure */
if (IsWindowUnicode (hWnd))
SetWindowLongPtrW (hWnd, GWLP_WNDPROC, (DWORD_PTR)stack->origproc);
else
SetWindowLongPtrA (hWnd, GWLP_WNDPROC, (DWORD_PTR)stack->origproc);
HeapFree (GetProcessHeap (), 0, stack);
RemovePropA( hWnd, COMCTL32_aSubclass );
}
return ret;
}
/***********************************************************************
* COMCTL32_SubclassProc (internal)
*
* Window procedure for all subclassed windows.
* Saves the current subclassing stack position to support nested messages
*/
LRESULT WINAPI COMCTL32_SubclassProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
LPSUBCLASS_INFO stack;
LPSUBCLASSPROCS proc;
LRESULT ret;
TRACE ("(%p, 0x%08x, 0x%08x, 0x%08lx)\n", hWnd, uMsg, wParam, lParam);
stack = (LPSUBCLASS_INFO)GetPropA (hWnd, COMCTL32_aSubclass);
if (!stack) {
ERR ("Our sub classing stack got erased for %p!! Nothing we can do\n", hWnd);
return 0;
}
/* Save our old stackpos to properly handle nested messages */
proc = stack->stackpos;
stack->stackpos = stack->SubclassProcs;
stack->running++;
ret = DefSubclassProc(hWnd, uMsg, wParam, lParam);
stack->running--;
stack->stackpos = proc;
if (!stack->SubclassProcs && !stack->running) {
TRACE("Last Subclass removed, cleaning up\n");
/* clean up our heap and reset the origional window procedure */
if (IsWindowUnicode (hWnd))
SetWindowLongPtrW (hWnd, GWLP_WNDPROC, (DWORD_PTR)stack->origproc);
else
SetWindowLongPtrA (hWnd, GWLP_WNDPROC, (DWORD_PTR)stack->origproc);
HeapFree (GetProcessHeap (), 0, stack);
RemovePropA( hWnd, COMCTL32_aSubclass );
}
return ret;
}
/***********************************************************************
* DefSubclassProc [COMCTL32.413]
*
* Calls the next window procedure (ie. the one before this subclass)
*
* PARAMS
* hWnd [in] The window that we're subclassing
* uMsg [in] Message
* wParam [in] WPARAM
* lParam [in] LPARAM
*
* RETURNS
* Success: non-zero
* Failure: zero
*/
LRESULT WINAPI DefSubclassProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
LPSUBCLASS_INFO stack;
LRESULT ret;
TRACE ("(%p, 0x%08x, 0x%08x, 0x%08lx)\n", hWnd, uMsg, wParam, lParam);
/* retrieve our little stack from the Properties */
stack = (LPSUBCLASS_INFO)GetPropA (hWnd, COMCTL32_aSubclass);
if (!stack) {
ERR ("Our sub classing stack got erased for %p!! Nothing we can do\n", hWnd);
return 0;
}
/* If we are at the end of stack then we have to call the original
* window procedure */
if (!stack->stackpos) {
if (IsWindowUnicode (hWnd))
ret = CallWindowProcW (stack->origproc, hWnd, uMsg, wParam, lParam);
else
ret = CallWindowProcA (stack->origproc, hWnd, uMsg, wParam, lParam);
} else {
LPSUBCLASSPROCS proc = stack->stackpos;
stack->stackpos = stack->stackpos->next;
/* call the Subclass procedure from the stack */
ret = proc->subproc (hWnd, uMsg, wParam, lParam,
proc->id, proc->ref);
}
return ret;
}
/***********************************************************************
* COMCTL32_CreateToolTip [NOT AN API]
*
* Creates a tooltip for the control specified in hwnd and does all
* necessary setup and notifications.
*
* PARAMS
* hwndOwner [I] Handle to the window that will own the tool tip.
*
* RETURNS
* Success: Handle of tool tip window.
* Failure: NULL
*/
HWND
COMCTL32_CreateToolTip(HWND hwndOwner)
{
HWND hwndToolTip;
hwndToolTip = CreateWindowExA(0, TOOLTIPS_CLASSA, NULL, 0,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT, hwndOwner,
0, 0, 0);
/* Send NM_TOOLTIPSCREATED notification */
if (hwndToolTip)
{
NMTOOLTIPSCREATED nmttc;
/* true owner can be different if hwndOwner is a child window */
HWND hwndTrueOwner = GetWindow(hwndToolTip, GW_OWNER);
nmttc.hdr.hwndFrom = hwndTrueOwner;
nmttc.hdr.idFrom = GetWindowLongPtrW(hwndTrueOwner, GWLP_ID);
nmttc.hdr.code = NM_TOOLTIPSCREATED;
nmttc.hwndToolTips = hwndToolTip;
SendMessageA(GetParent(hwndTrueOwner), WM_NOTIFY,
(WPARAM)GetWindowLongPtrW(hwndTrueOwner, GWLP_ID),
(LPARAM)&nmttc);
}
return hwndToolTip;
}
/***********************************************************************
* COMCTL32_RefreshSysColors [NOT AN API]
*
* Invoked on any control recognizing a WM_SYSCOLORCHANGE message to
* refresh the color values in the color structure
*
* PARAMS
* none
*
* RETURNS
* none
*/
VOID
COMCTL32_RefreshSysColors(void)
{
comctl32_color.clrBtnHighlight = GetSysColor (COLOR_BTNHIGHLIGHT);
comctl32_color.clrBtnShadow = GetSysColor (COLOR_BTNSHADOW);
comctl32_color.clrBtnText = GetSysColor (COLOR_BTNTEXT);
comctl32_color.clrBtnFace = GetSysColor (COLOR_BTNFACE);
comctl32_color.clrHighlight = GetSysColor (COLOR_HIGHLIGHT);
comctl32_color.clrHighlightText = GetSysColor (COLOR_HIGHLIGHTTEXT);
comctl32_color.clr3dHilight = GetSysColor (COLOR_3DHILIGHT);
comctl32_color.clr3dShadow = GetSysColor (COLOR_3DSHADOW);
comctl32_color.clr3dDkShadow = GetSysColor (COLOR_3DDKSHADOW);
comctl32_color.clr3dFace = GetSysColor (COLOR_3DFACE);
comctl32_color.clrWindow = GetSysColor (COLOR_WINDOW);
comctl32_color.clrWindowText = GetSysColor (COLOR_WINDOWTEXT);
comctl32_color.clrGrayText = GetSysColor (COLOR_GRAYTEXT);
comctl32_color.clrActiveCaption = GetSysColor (COLOR_ACTIVECAPTION);
comctl32_color.clrInfoBk = GetSysColor (COLOR_INFOBK);
comctl32_color.clrInfoText = GetSysColor (COLOR_INFOTEXT);
}
/***********************************************************************
* COMCTL32_DrawInsertMark [NOT AN API]
*
* Draws an insertion mark (which looks similar to an 'I').
*
* PARAMS
* hDC [I] Device context to draw onto.
* lpRect [I] Co-ordinates of insertion mark.
* clrInsertMark [I] Colour of the insertion mark.
* bHorizontal [I] True if insert mark should be drawn horizontally,
* vertical otherwise.
*
* RETURNS
* none
*
* NOTES
* Draws up to but not including the bottom co-ordinate when drawing
* vertically or the right co-ordinate when horizontal.
*/
void COMCTL32_DrawInsertMark(HDC hDC, const RECT *lpRect, COLORREF clrInsertMark, BOOL bHorizontal)
{
HPEN hPen = CreatePen(PS_SOLID, 1, clrInsertMark);
HPEN hOldPen;
static const DWORD adwPolyPoints[] = {4,4,4};
LONG lCentre = (bHorizontal ?
lpRect->top + (lpRect->bottom - lpRect->top)/2 :
lpRect->left + (lpRect->right - lpRect->left)/2);
LONG l1 = (bHorizontal ? lpRect->left : lpRect->top);
LONG l2 = (bHorizontal ? lpRect->right : lpRect->bottom);
const POINT aptInsertMark[] =
{
/* top (V) or left (H) arrow */
{lCentre , l1 + 2},
{lCentre - 2, l1 },
{lCentre + 3, l1 },
{lCentre + 1, l1 + 2},
/* middle line */
{lCentre , l2 - 2},
{lCentre , l1 - 1},
{lCentre + 1, l1 - 1},
{lCentre + 1, l2 - 2},
/* bottom (V) or right (H) arrow */
{lCentre , l2 - 3},
{lCentre - 2, l2 - 1},
{lCentre + 3, l2 - 1},
{lCentre + 1, l2 - 3},
};
hOldPen = SelectObject(hDC, hPen);
PolyPolyline(hDC, aptInsertMark, adwPolyPoints, sizeof(adwPolyPoints)/sizeof(adwPolyPoints[0]));
SelectObject(hDC, hOldPen);
DeleteObject(hPen);
}
/***********************************************************************
* MirrorIcon [COMCTL32.414]
*
* Mirrors an icon so that it will appear correctly on a mirrored DC.
*
* PARAMS
* phicon1 [I/O] Icon.
* phicon2 [I/O] Icon.
*
* RETURNS
* Success: TRUE.
* Failure: FALSE.
*/
BOOL WINAPI MirrorIcon(HICON *phicon1, HICON *phicon2)
{
FIXME("(%p, %p): stub\n", phicon1, phicon2);
return FALSE;
}
static inline int IsDelimiter(WCHAR c)
{
switch(c)
{
case '/':
case '\\':
case '.':
case ' ':
return TRUE;
}
return FALSE;
}
static int CALLBACK PathWordBreakProc(LPWSTR lpch, int ichCurrent, int cch, int code)
{
if (code == WB_ISDELIMITER)
return IsDelimiter(lpch[ichCurrent]);
else
{
int dir = (code == WB_LEFT) ? -1 : 1;
for(; 0 <= ichCurrent && ichCurrent < cch; ichCurrent += dir)
if (IsDelimiter(lpch[ichCurrent])) return ichCurrent;
}
return ichCurrent;
}
/***********************************************************************
* SetPathWordBreakProc [COMCTL32.384]
*
* Sets the word break procedure for an edit control to one that understands
* paths so that the user can jump over directories.
*
* PARAMS
* hwnd [I] Handle to edit control.
* bSet [I] If this is TRUE then the word break proc is set, otherwise it is removed.
*
* RETURNS
* Result from EM_SETWORDBREAKPROC message.
*/
LRESULT WINAPI SetPathWordBreakProc(HWND hwnd, BOOL bSet)
{
return SendMessageW(hwnd, EM_SETWORDBREAKPROC, 0,
(LPARAM)(bSet ? PathWordBreakProc : NULL));
}
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