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Sweden-Number/windows/dialog.c

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/*
* Dialog functions
*
* Copyright 1993 Alexandre Julliard
*/
/* #define DEBUG_DIALOG /* */
static char Copyright[] = "Copyright Alexandre Julliard, 1993";
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "windows.h"
#include "dialog.h"
#include "win.h"
#include "user.h"
/* Dialog base units */
static WORD xBaseUnit = 0, yBaseUnit = 0;
/***********************************************************************
* DIALOG_Init
*
* Initialisation of the dialog manager.
*/
BOOL DIALOG_Init()
{
TEXTMETRIC tm;
HDC hdc;
/* Calculate the dialog base units */
if (!(hdc = GetDC(GetDesktopWindow()))) return FALSE;
GetTextMetrics( hdc, &tm );
ReleaseDC( 0, hdc );
xBaseUnit = tm.tmAveCharWidth;
yBaseUnit = tm.tmHeight;
#ifdef DEBUG_DIALOG
printf( "DIALOG_Init: base units = %d,%d\n", xBaseUnit, yBaseUnit );
#endif
return TRUE;
}
/***********************************************************************
* DIALOG_GetControl
*
* Return the class and text of the control pointed to by ptr,
* and return a pointer to the next control.
*/
static DLGCONTROLHEADER * DIALOG_GetControl( DLGCONTROLHEADER * ptr,
char ** class, char ** text )
{
unsigned char * p = (unsigned char *)ptr;
p += 14; /* size of control header */
if (*p & 0x80)
{
switch(*p++)
{
case 0x80: *class = "BUTTON"; break;
case 0x81: *class = "EDIT"; break;
case 0x82: *class = "STATIC"; break;
case 0x83: *class = "LISTBOX"; break;
case 0x84: *class = "SCROLLBAR"; break;
case 0x85: *class = "COMBOBOX"; break;
default: *class = ""; break;
}
}
else
{
*class = p;
p += strlen(p) + 1;
}
*text = p;
p += strlen(p) + 2;
return (DLGCONTROLHEADER *)p;
}
/***********************************************************************
* DIALOG_ParseTemplate
*
* Fill a DLGTEMPLATE structure from the dialog template, and return
* a pointer to the first control.
*/
static DLGCONTROLHEADER * DIALOG_ParseTemplate( LPCSTR template,
DLGTEMPLATE * result )
{
unsigned char * p = (unsigned char *)template;
result->header = (DLGTEMPLATEHEADER *)p;
p += 13;
result->menuName = p;
if (*p == 0xff) p += 3;
else p += strlen(p) + 1;
if (*p) result->className = p;
else result->className = DIALOG_CLASS_NAME;
p += strlen(p) + 1;
result->caption = p;
p += strlen(p) + 1;
if (result->header->style & DS_SETFONT)
{
result->pointSize = *(WORD *)p; p += sizeof(WORD);
result->faceName = p; p += strlen(p) + 1;
}
return (DLGCONTROLHEADER *)p;
}
/***********************************************************************
* DIALOG_DisplayTemplate
*/
#ifdef DEBUG_DIALOG
static void DIALOG_DisplayTemplate( DLGTEMPLATE * result )
{
printf( "DIALOG %d, %d, %d, %d\n", result->header->x, result->header->y,
result->header->cx, result->header->cy );
printf( " STYLE %08x\n", result->header->style );
printf( " CAPTION '%s'\n", result->caption );
printf( " CLASS '%s'\n", result->className );
if (result->menuName[0] == 0xff)
printf( " MENU %d\n", result->menuName[1] + 256*result->menuName[2] );
else printf( " MENU '%s'\n", result->menuName );
if (result->header->style & DS_SETFONT)
printf( " FONT %d,'%s'\n", result->pointSize, result->faceName );
}
#endif /* DEBUG_DIALOG */
/***********************************************************************
* CreateDialog (USER.89)
*/
HWND CreateDialog( HINSTANCE hInst, LPCSTR dlgTemplate,
HWND owner, FARPROC dlgProc )
{
return CreateDialogParam( hInst, dlgTemplate, owner, dlgProc, 0 );
}
/***********************************************************************
* CreateDialogParam (USER.241)
*/
HWND CreateDialogParam( HINSTANCE hInst, LPCSTR dlgTemplate,
HWND owner, FARPROC dlgProc, LPARAM param )
{
HWND hwnd = 0;
HANDLE hres, hmem;
LPCSTR data;
#ifdef DEBUG_DIALOG
printf( "CreateDialogParam: %d,'%x',%d,%p,%d\n",
hInst, dlgTemplate, owner, dlgProc, param );
#endif
/* FIXME: MAKEINTRESOURCE should be replaced by RT_DIALOG */
if (!(hres = FindResource( hInst, dlgTemplate, MAKEINTRESOURCE(0x8005) )))
return 0;
if (!(hmem = LoadResource( hInst, hres ))) return 0;
if (!(data = LockResource( hmem ))) hwnd = 0;
else hwnd = CreateDialogIndirectParam(hInst, data, owner, dlgProc, param);
FreeResource( hmem );
return hwnd;
}
/***********************************************************************
* CreateDialogIndirect (USER.219)
*/
HWND CreateDialogIndirect( HINSTANCE hInst, LPCSTR dlgTemplate,
HWND owner, FARPROC dlgProc )
{
return CreateDialogIndirectParam( hInst, dlgTemplate, owner, dlgProc, 0 );
}
/***********************************************************************
* CreateDialogIndirectParam (USER.242)
*/
HWND CreateDialogIndirectParam( HINSTANCE hInst, LPCSTR dlgTemplate,
HWND owner, FARPROC dlgProc, LPARAM param )
{
HMENU hMenu;
HFONT hFont = 0;
HWND hwnd;
RECT rect;
WND * wndPtr;
int i;
DLGTEMPLATE template;
DLGCONTROLHEADER * header;
DIALOGINFO * dlgInfo;
DWORD exStyle = 0;
WORD xUnit = xBaseUnit;
WORD yUnit = yBaseUnit;
/* Parse dialog template */
if (!dlgTemplate) return 0;
header = DIALOG_ParseTemplate( dlgTemplate, &template );
#ifdef DEBUG_DIALOG
DIALOG_DisplayTemplate( &template );
#endif
/* Load menu */
switch (template.menuName[0])
{
case 0x00:
hMenu = 0;
break;
case 0xff:
hMenu = LoadMenu( hInst, MAKEINTRESOURCE( template.menuName[1] +
256*template.menuName[2] ));
break;
default:
hMenu = LoadMenu( hInst, template.menuName );
break;
}
/* Create custom font if needed */
if (template.header->style & DS_SETFONT)
{
hFont = CreateFont( template.pointSize, 0, 0, 0, FW_DONTCARE,
FALSE, FALSE, FALSE, DEFAULT_CHARSET, 0, 0,
DEFAULT_QUALITY, FF_DONTCARE, template.faceName );
if (hFont)
{
TEXTMETRIC tm;
HFONT oldFont;
HDC hdc;
hdc = GetDC(0);
oldFont = SelectObject( hdc, hFont );
GetTextMetrics( hdc, &tm );
SelectObject( hdc, oldFont );
ReleaseDC( 0, hdc );
xUnit = tm.tmAveCharWidth;
yUnit = tm.tmHeight;
}
}
/* Create dialog main window */
rect.left = rect.top = 0;
rect.right = template.header->cx * xUnit / 4;
rect.bottom = template.header->cy * yUnit / 8;
if (template.header->style & DS_MODALFRAME) exStyle |= WS_EX_DLGMODALFRAME;
AdjustWindowRectEx( &rect, template.header->style, hMenu, exStyle );
hwnd = CreateWindowEx( exStyle, template.className, template.caption,
template.header->style,
rect.left + template.header->x * xUnit / 4,
rect.top + template.header->y * yUnit / 8,
rect.right - rect.left, rect.bottom - rect.top,
owner, hMenu, hInst,
NULL );
if (!hwnd)
{
if (hFont) DeleteObject( hFont );
if (hMenu) DestroyMenu( hMenu );
return 0;
}
ShowWindow(hwnd, SW_SHOWNORMAL);
UpdateWindow(hwnd);
/* Create control windows */
#ifdef DEBUG_DIALOG
printf( " BEGIN\n" );
#endif
for (i = 0; i < template.header->nbItems; i++)
{
DLGCONTROLHEADER * next_header;
LPSTR class, text;
next_header = DIALOG_GetControl( header, &class, &text );
#ifdef DEBUG_DIALOG
printf( " %s '%s' %d, %d, %d, %d, %d, %08x\n",
class, text, header->id, header->x, header->y, header->cx,
header->cy, header->style );
#endif
if ((strcmp(class, "STATIC") == 0) & ((header->style & SS_ICON) == SS_ICON)) {
header->cx = 32;
header->cy = 32;
}
header->style |= WS_CHILD;
CreateWindowEx( WS_EX_NOPARENTNOTIFY,
class, text, header->style,
header->x * xUnit / 4, header->y * yUnit / 8,
header->cx * xUnit / 4, header->cy * yUnit / 8,
hwnd, header->id, hInst, NULL );
header = next_header;
}
#ifdef DEBUG_DIALOG
printf( " END\n" );
#endif
/* Initialise dialog extra data */
wndPtr = WIN_FindWndPtr( hwnd );
dlgInfo = (DIALOGINFO *)wndPtr->wExtra;
dlgInfo->dlgProc = dlgProc;
dlgInfo->hUserFont = hFont;
dlgInfo->hMenu = hMenu;
dlgInfo->xBaseUnit = xUnit;
dlgInfo->yBaseUnit = yUnit;
dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd,
GetWindow(wndPtr->hwndChild, GW_HWNDLAST), FALSE );
/* Send initialisation messages and set focus */
if (dlgInfo->hUserFont)
SendMessage( hwnd, WM_SETFONT, dlgInfo->hUserFont, 0 );
if (SendMessage( hwnd, WM_INITDIALOG, dlgInfo->hwndFocus, param ))
SetFocus( dlgInfo->hwndFocus );
return hwnd;
}
/***********************************************************************
* DIALOG_DoDialogBox
*/
static int DIALOG_DoDialogBox( HWND hwnd )
{
WND * wndPtr;
DIALOGINFO * dlgInfo;
HANDLE msgHandle;
MSG* lpmsg;
int retval;
if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return -1;
if (!(msgHandle = USER_HEAP_ALLOC( GMEM_MOVEABLE, sizeof(MSG)))) return -1;
lpmsg = (MSG *) USER_HEAP_ADDR( msgHandle );
dlgInfo = (DIALOGINFO *)wndPtr->wExtra;
ShowWindow( hwnd, SW_SHOW );
while (MSG_InternalGetMessage( lpmsg, hwnd, MSGF_DIALOGBOX, TRUE ))
{
if (!IsDialogMessage( hwnd, lpmsg))
{
TranslateMessage( lpmsg );
DispatchMessage( lpmsg );
}
if (dlgInfo->fEnd) break;
}
retval = dlgInfo->msgResult;
DestroyWindow( hwnd );
USER_HEAP_FREE( msgHandle );
return retval;
}
/***********************************************************************
* DialogBox (USER.87)
*/
int DialogBox( HINSTANCE hInst, LPCSTR dlgTemplate,
HWND owner, FARPROC dlgProc )
{
return DialogBoxParam( hInst, dlgTemplate, owner, dlgProc, 0 );
}
/***********************************************************************
* DialogBoxParam (USER.239)
*/
int DialogBoxParam( HINSTANCE hInst, LPCSTR dlgTemplate,
HWND owner, FARPROC dlgProc, LPARAM param )
{
HWND hwnd;
#ifdef DEBUG_DIALOG
printf( "DialogBoxParam: %d,'%x',%d,%p,%d\n",
hInst, dlgTemplate, owner, dlgProc, param );
#endif
hwnd = CreateDialogParam( hInst, dlgTemplate, owner, dlgProc, param );
if (hwnd) return DIALOG_DoDialogBox( hwnd );
return -1;
}
/***********************************************************************
* DialogBoxIndirect (USER.218)
*/
int DialogBoxIndirect( HINSTANCE hInst, HANDLE dlgTemplate,
HWND owner, FARPROC dlgProc )
{
return DialogBoxIndirectParam( hInst, dlgTemplate, owner, dlgProc, 0 );
}
/***********************************************************************
* DialogBoxIndirectParam (USER.240)
*/
int DialogBoxIndirectParam( HINSTANCE hInst, HANDLE dlgTemplate,
HWND owner, FARPROC dlgProc, LPARAM param )
{
HWND hwnd;
LPCSTR ptr;
if (!(ptr = GlobalLock( dlgTemplate ))) return -1;
hwnd = CreateDialogIndirectParam( hInst, ptr, owner, dlgProc, param );
GlobalUnlock( dlgTemplate );
if (hwnd) return DIALOG_DoDialogBox( hwnd );
return -1;
}
/***********************************************************************
* EndDialog (USER.88)
*/
void EndDialog( HWND hwnd, short retval )
{
WND * wndPtr = WIN_FindWndPtr( hwnd );
DIALOGINFO * dlgInfo = (DIALOGINFO *)wndPtr->wExtra;
dlgInfo->msgResult = retval;
dlgInfo->fEnd = TRUE;
#ifdef DEBUG_DIALOG
printf( "EndDialog: %d %d\n", hwnd, retval );
#endif
}
/***********************************************************************
* IsDialogMessage (USER.90)
*/
BOOL IsDialogMessage( HWND hwndDlg, LPMSG msg )
{
WND * wndPtr;
if (!(wndPtr = WIN_FindWndPtr( hwndDlg ))) return FALSE;
if ((hwndDlg != msg->hwnd) && !IsChild( hwndDlg, msg->hwnd )) return FALSE;
if (msg->message != WM_KEYDOWN)
{
SendMessage( msg->hwnd, msg->message, msg->wParam, msg->lParam );
}
else
{
int dlgCode = SendMessage( msg->hwnd, WM_GETDLGCODE, 0, 0 );
/* Process key message */
/* .... */
SendMessage( msg->hwnd, msg->message, msg->wParam, msg->lParam );
}
return TRUE;
}
/****************************************************************
* GetDlgCtrlID (USER.277)
*/
int GetDlgCtrlID( HWND hwnd )
{
WND *wndPtr = WIN_FindWndPtr(hwnd);
if (wndPtr) return wndPtr->wIDmenu;
else return 0;
}
/***********************************************************************
* GetDlgItem (USER.91)
*/
HWND GetDlgItem( HWND hwndDlg, WORD id )
{
HWND curChild;
WND * childPtr;
WND * wndPtr;
if (!(wndPtr = WIN_FindWndPtr( hwndDlg ))) return 0;
curChild = wndPtr->hwndChild;
while(curChild)
{
childPtr = WIN_FindWndPtr( curChild );
if (childPtr->wIDmenu == id) return curChild;
curChild = childPtr->hwndNext;
}
return 0;
}
/*******************************************************************
* SendDlgItemMessage (USER.101)
*/
LONG SendDlgItemMessage(HWND hwnd, WORD id, UINT msg, WORD wParam, LONG lParam)
{
HWND hwndCtrl = GetDlgItem( hwnd, id );
if (hwndCtrl) return SendMessage( hwndCtrl, msg, wParam, lParam );
else return 0;
}
/*******************************************************************
* SetDlgItemText (USER.92)
*/
void SetDlgItemText( HWND hwnd, WORD id, LPSTR lpString )
{
SendDlgItemMessage( hwnd, id, WM_SETTEXT, 0, (DWORD)lpString );
}
/***********************************************************************
* GetDlgItemText (USER.93)
*/
int GetDlgItemText( HWND hwnd, WORD id, LPSTR str, WORD max )
{
return (int)SendDlgItemMessage( hwnd, id, WM_GETTEXT, max, (DWORD)str );
}
/*******************************************************************
* SetDlgItemInt (USER.94)
*/
void SetDlgItemInt( HWND hwnd, WORD id, WORD value, BOOL fSigned )
{
HANDLE hText = USER_HEAP_ALLOC(0, 10 );
char * str = (char *) USER_HEAP_ADDR( hText );
if (fSigned) sprintf( str, "%d", value );
else sprintf( str, "%u", value );
SendDlgItemMessage( hwnd, id, WM_SETTEXT, 0, (DWORD)str );
USER_HEAP_FREE( hText );
}
/***********************************************************************
* GetDlgItemInt (USER.95)
*/
WORD GetDlgItemInt( HWND hwnd, WORD id, BOOL * translated, BOOL fSigned )
{
int len;
HANDLE hText;
long result;
char * str;
if (translated) *translated = FALSE;
if (!(len = SendDlgItemMessage( hwnd, id, WM_GETTEXTLENGTH, 0, 0 )))
return 0;
if (!(hText = USER_HEAP_ALLOC(0, len+1 )))
return 0;
str = (char *) USER_HEAP_ADDR( hText );
if (SendDlgItemMessage( hwnd, id, WM_GETTEXT, len+1, (DWORD)str ))
{
char * endptr;
result = strtol( str, &endptr, 10 );
if (endptr && (endptr != str)) /* Conversion was successful */
{
if (fSigned)
{
if ((result < -32767) || (result > 32767)) result = 0;
else if (translated) *translated = TRUE;
}
else
{
if ((result < 0) || (result > 65535)) result = 0;
else if (translated) *translated = TRUE;
}
}
}
USER_HEAP_FREE( hText );
return (WORD)result;
}
/***********************************************************************
* CheckDlgButton (USER.97)
*/
void CheckDlgButton( HWND hwnd, WORD id, WORD check )
{
SendDlgItemMessage( hwnd, id, BM_SETCHECK, check, 0 );
}
/***********************************************************************
* IsDlgButtonChecked (USER.98)
*/
WORD IsDlgButtonChecked( HWND hwnd, WORD id )
{
return (WORD)SendDlgItemMessage( hwnd, id, BM_GETCHECK, 0, 0 );
}
/***********************************************************************
* CheckRadioButton (USER.96)
*/
void CheckRadioButton( HWND hwndDlg, WORD firstID, WORD lastID, WORD checkID )
{
HWND button = GetDlgItem( hwndDlg, firstID );
while (button != 0)
{
WND * wndPtr = WIN_FindWndPtr( button );
if (!wndPtr) break;
SendMessage( button, BM_SETCHECK, (wndPtr->wIDmenu == checkID), 0 );
if (wndPtr->wIDmenu == lastID) break;
button = wndPtr->hwndNext;
}
}
/***********************************************************************
* GetDialogBaseUnits (USER.243)
*/
DWORD GetDialogBaseUnits()
{
return MAKELONG( xBaseUnit, yBaseUnit );
}
/***********************************************************************
* MapDialogRect (USER.103)
*/
void MapDialogRect( HWND hwnd, LPRECT rect )
{
DIALOGINFO * dlgInfo;
WND * wndPtr = WIN_FindWndPtr( hwnd );
if (!wndPtr) return;
dlgInfo = (DIALOGINFO *)wndPtr->wExtra;
rect->left = (rect->left * dlgInfo->xBaseUnit) / 4;
rect->right = (rect->right * dlgInfo->xBaseUnit) / 4;
rect->top = (rect->top * dlgInfo->yBaseUnit) / 8;
rect->bottom = (rect->bottom * dlgInfo->yBaseUnit) / 8;
}
/***********************************************************************
* GetNextDlgGroupItem (USER.227)
*/
HWND GetNextDlgGroupItem( HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
{
HWND hwnd, hwndLast;
WND * dlgPtr, * ctrlPtr, * wndPtr;
if (!(dlgPtr = WIN_FindWndPtr( hwndDlg ))) return 0;
if (!(ctrlPtr = WIN_FindWndPtr( hwndCtrl ))) return 0;
if (ctrlPtr->hwndParent != hwndDlg) return 0;
hwndLast = hwndCtrl;
hwnd = ctrlPtr->hwndNext;
while (1)
{
if (!hwnd) hwnd = dlgPtr->hwndChild;
if (hwnd == hwndCtrl) break;
wndPtr = WIN_FindWndPtr( hwnd );
if (wndPtr->dwStyle & WS_TABSTOP)
{
hwndLast = hwnd;
if (!fPrevious) break;
}
hwnd = wndPtr->hwndNext;
}
return hwndLast;
return 0;
}
/***********************************************************************
* GetNextDlgTabItem (USER.228)
*/
HWND GetNextDlgTabItem( HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
{
HWND hwnd, hwndLast;
WND * dlgPtr, * ctrlPtr, * wndPtr;
if (!(dlgPtr = WIN_FindWndPtr( hwndDlg ))) return 0;
if (!(ctrlPtr = WIN_FindWndPtr( hwndCtrl ))) return 0;
if (ctrlPtr->hwndParent != hwndDlg) return 0;
hwndLast = hwndCtrl;
hwnd = ctrlPtr->hwndNext;
while (1)
{
if (!hwnd) hwnd = dlgPtr->hwndChild;
if (hwnd == hwndCtrl) break;
wndPtr = WIN_FindWndPtr( hwnd );
if (wndPtr->dwStyle & WS_TABSTOP)
{
hwndLast = hwnd;
if (!fPrevious) break;
}
hwnd = wndPtr->hwndNext;
}
return hwndLast;
}
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