Files
harbour-core/contrib/gtwvw/pushbut.c
Viktor Szakats 8340825fd5 2017-09-13 21:33 UTC Viktor Szakats (vszakats users.noreply.github.com)
* bin/check.hb
  * contrib/gtwvw/*
    * sync some text with the 3.4 fork
2017-09-13 21:34:26 +00:00

941 lines
30 KiB
C

/*
* Video subsystem for Windows using GUI windows instead of Console
* with multiple windows support
* Copyright 2004 Budyanto Dj. <budyanto@centrin.net.id>
* GTWVW pushbutton functions
* GTWVW is initially created based on:
* =Id: gtwvt.c,v 1.60 2004-01-26 08:14:07 vouchcac Exp =
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file LICENSE.txt. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
#include "hbgtwvw.h"
/* wvw_pbCreate( [nWinNum], nTop, nLeft, nBottom, nRight, cText, cImage/nImage, bBlock, aOffset, ;
* nStretchBitmap, lMap3Dcolors, @hControl, nStyle )
* create pushbutton for window nWinNum
* nTop: row of top/left corner (in character unit)
* nLeft: col of top/left corner (in character unit)
* nBottom: row of bottom/right corner (in character unit) defaults==nTop
* nRight: col of bottom/right corner (in character unit) defaults==??
* cText: caption, default == ""
*
*
* cImage: bitmap file name, can be supplied as nImage: bitmap resource id
*
* nStretchBitmap: a number between 0 and 1 (inclusive) as a factor to
* stretch the bitmap.
* 1.0: bitmap covers the whole button
* 0.5: bitmap covers 50% of button
* 0: bitmap is not stretch
* (default is 1)
*
* lMap3Dcolors: defaults to .F.
* if .T. the following color mapping will be performed:
* RGB( 192, 192, 192 ) --> COLOR_3DFACE ("transparent")
* RGB( 128, 128, 128 ) --> COLOR_3DSHADOW
* RGB( 223, 223, 223 ) --> COLOR_3DLIGHT
* This might be desirable to have transparent effect.
* LIMITATION: this will work on 256 colored bitmaps only
*
* aOffset: array {y1,x1,y2,x2} of offsets to corner pixels, to adjust
* dimension of pushbutton.
* defaults for pushbutton: {-2,-2,+2,+2}
*
* bBlock: codeblock to execute on every BN_CLICK event.
* This codeblock will be evaluated with these parameters:
* nWinNum: window number
* nPBid : pushbutton id
*
* returns control id of newly created pushbutton of windows nWinNum
* returns 0 if failed
*/
HB_FUNC( WVW_PBCREATE )
{
UINT usWinNum = WVW_WHICH_WINDOW;
int iOffTop, iOffLeft, iOffBottom, iOffRight;
/* int iStyle; */
UINT uiPBid;
USHORT usTop = ( USHORT ) hb_parni( 2 ),
usLeft = ( USHORT ) hb_parni( 3 ),
usBottom = ( USHORT ) hb_parni( 4 ),
usRight = ( USHORT ) hb_parni( 5 );
LPCTSTR lpszCaption = HB_ISCHAR( 6 ) ? hb_parcx( 6 ) : NULL;
char * szBitmap = HB_ISCHAR( 7 ) ? ( char * ) hb_parcx( 7 ) : NULL;
UINT uiBitmap = HB_ISNUM( 7 ) ? ( UINT ) hb_parni( 7 ) : 0;
double dStretch = ! HB_ISNIL( 10 ) ? hb_parnd( 10 ) : 1;
BOOL bMap3Dcolors = HB_ISLOG( 11 ) ? ( BOOL ) hb_parl( 11 ) : FALSE;
if( ! HB_ISBLOCK( 8 ) )
{
hb_retnl( 0 );
return;
}
iOffTop = ! HB_ISNIL( 9 ) ? hb_parvni( 9, 1 ) : -2;
iOffLeft = ! HB_ISNIL( 9 ) ? hb_parvni( 9, 2 ) : -2;
iOffBottom = ! HB_ISNIL( 9 ) ? hb_parvni( 9, 3 ) : +2;
iOffRight = ! HB_ISNIL( 9 ) ? hb_parvni( 9, 4 ) : +2;
uiPBid = ButtonCreate( usWinNum, usTop, usLeft, usBottom, usRight, lpszCaption,
szBitmap, uiBitmap, hb_param( 8, HB_IT_BLOCK ),
iOffTop, iOffLeft, iOffBottom, iOffRight,
dStretch, bMap3Dcolors,
BS_PUSHBUTTON );
hb_retnl( ( LONG ) uiPBid );
}
/*wvw_pbDestroy( [nWinNum], nPBid )
* destroy button nPBid for window nWinNum
*/
HB_FUNC( WVW_PBDESTROY )
{
UINT usWinNum = WVW_WHICH_WINDOW;
WIN_DATA * pWindowData = hb_gt_wvw_GetWindowsData( usWinNum );
UINT uiPBid = ( UINT ) ( HB_ISNIL( 2 ) ? 0 : hb_parni( 2 ) );
CONTROL_DATA * pcd = pWindowData->pcdCtrlList;
CONTROL_DATA * pcdPrev = NULL;
while( pcd )
{
if( pcd->byCtrlClass == WVW_CONTROL_PUSHBUTTON && pcd->uiCtrlid == uiPBid )
break;
pcdPrev = pcd;
pcd = pcd->pNext;
}
if( pcd == NULL )
return;
DestroyWindow( pcd->hWndCtrl );
if( pcdPrev == NULL )
pWindowData->pcdCtrlList = pcd->pNext;
else
pcdPrev->pNext = pcd->pNext;
if( pcd->phiCodeBlock )
hb_itemRelease( pcd->phiCodeBlock );
hb_xfree( pcd );
}
/*wvw_pbSetFocus( [nWinNum], nButtonId )
* set the focus to button nButtonId in window nWinNum
*/
HB_FUNC( WVW_PBSETFOCUS )
{
UINT usWinNum = WVW_WHICH_WINDOW;
UINT uiCtrlId = HB_ISNIL( 2 ) ? 0 : hb_parni( 2 );
byte bStyle;
HWND hWndPB = FindControlHandle( usWinNum, WVW_CONTROL_PUSHBUTTON, uiCtrlId, &bStyle );
if( hWndPB )
hb_retl( SetFocus( hWndPB ) != NULL );
else
hb_retl( FALSE );
}
/*wvw_pbIsFocused( [nWinNum], nPBid )
* returns .t. if the focus is on button nPBid in window nWinNum
*/
HB_FUNC( WVW_PBISFOCUSED )
{
UINT usWinNum = WVW_WHICH_WINDOW;
UINT uiCtrlId = HB_ISNIL( 2 ) ? 0 : hb_parni( 2 );
byte bStyle;
HWND hWndPB = FindControlHandle( usWinNum, WVW_CONTROL_PUSHBUTTON, uiCtrlId, &bStyle );
hb_retl( ( HWND ) GetFocus() == hWndPB );
}
/*wvw_pbEnable( [nWinNum], nButtonId, [lToggle] )
* enable/disable button nButtonId on window nWinNum
*(lToggle defaults to .t., ie. enabling the button)
* return previous state of the button (TRUE:enabled FALSE:disabled)
*(if nButtonId is invalid, this function returns FALSE too)
*/
HB_FUNC( WVW_PBENABLE )
{
UINT usWinNum = WVW_WHICH_WINDOW;
UINT uiCtrlId = HB_ISNIL( 2 ) ? 0 : hb_parni( 2 );
BOOL bEnable = HB_ISNIL( 3 ) ? TRUE : hb_parl( 3 );
WIN_DATA * pWindowData = hb_gt_wvw_GetWindowsData( usWinNum );
byte bStyle;
HWND hWndPB = FindControlHandle( usWinNum, WVW_CONTROL_PUSHBUTTON, uiCtrlId, &bStyle );
if( hWndPB )
{
hb_retl( EnableWindow( hWndPB, bEnable ) == 0 );
if( ! bEnable )
SetFocus( pWindowData->hWnd );
}
else
hb_retl( FALSE );
}
/*wvw_pbSetCodeblock( [nWinNum], nPBid, bBlock )
* assign (new) codeblock bBlock to button nPBid for window nWinNum
*
* return .t. if successful
*/
HB_FUNC( WVW_PBSETCODEBLOCK )
{
UINT usWinNum = WVW_WHICH_WINDOW;
WVW_DATA * pData = hb_getWvwData();
UINT uiPBid = ( UINT ) ( HB_ISNIL( 2 ) ? 0 : hb_parni( 2 ) );
CONTROL_DATA * pcd = GetControlData( usWinNum, WVW_CONTROL_PUSHBUTTON, NULL, uiPBid );
PHB_ITEM phiCodeBlock = hb_param( 3, HB_IT_BLOCK );
BOOL bOldSetting = pData->s_bRecurseCBlock;
if( ! phiCodeBlock || pcd == NULL || pcd->bBusy )
{
#if 0
if( ! HB_ISBLOCK( 3 ) )
MessageBox( NULL, TEXT( "Codeblock Expected" ),
pData->szAppName, MB_ICONERROR );
if( pcd == NULL )
MessageBox( NULL, TEXT( "Control Data not Found" ),
pData->szAppName, MB_ICONERROR );
if( pcd->bBusy )
MessageBox( NULL, TEXT( "Codeblock is busy" ),
pData->szAppName, MB_ICONERROR );
#endif
hb_retl( FALSE );
return;
}
pData->s_bRecurseCBlock = FALSE;
pcd->bBusy = TRUE;
if( pcd->phiCodeBlock )
hb_itemRelease( pcd->phiCodeBlock );
pcd->phiCodeBlock = hb_itemNew( phiCodeBlock );
pcd->bBusy = FALSE;
pData->s_bRecurseCBlock = bOldSetting;
hb_retl( TRUE );
}
/* wvw_pbSetStyle( [nWinNum], nPBid, nStyle )
* assign new style nStyle to button nPBid for window nWinNum
* typical usage: nStyle==BS_DEFPUSHBUTTON (==01) to turn the button
* into default push button
* (thick border)
* BS_PUSHBUTTON (==00) to turn the button
* into regular push button
*
* using other styles like BS_MULTILINE may also be usefull,
* but I haven't tried that
*
* this function always return .t.
*/
HB_FUNC( WVW_PBSETSTYLE )
{
UINT usWinNum = WVW_WHICH_WINDOW;
UINT uiPBid = ( UINT ) ( HB_ISNIL( 2 ) ? 0 : hb_parni( 2 ) );
ULONG ulStyle = ( ULONG ) ( HB_ISNIL( 3 ) ? 0 : hb_parni( 3 ) );
CONTROL_DATA * pcd = GetControlData( usWinNum, WVW_CONTROL_PUSHBUTTON, NULL, uiPBid );
if( pcd->hWndCtrl )
SendMessage( pcd->hWndCtrl, BM_SETSTYLE, ( WPARAM ) ulStyle, ( LPARAM ) TRUE );
hb_retl( TRUE );
}
/* wvw_pbSetFont([nWinNum], cFontFace, nHeight, nWidth, nWeight, nQUality,;
* lItalic, lUnderline, lStrikeout
*
* this will initialize font for ALL pushbuttons in window nWinNum
* (including ones created later on)
*/
HB_FUNC( WVW_PBSETFONT )
{
UINT usWinNum = WVW_WHICH_WINDOW;
WIN_DATA * pWindowData = hb_gt_wvw_GetWindowsData( usWinNum );
WVW_DATA * pData = hb_getWvwData();
BOOL retval = TRUE;
pData->s_lfPB.lfHeight = HB_ISNIL( 3 ) ? pWindowData->fontHeight - 2 : hb_parnl( 3 );
pData->s_lfPB.lfWidth = HB_ISNIL( 4 ) ? pData->s_lfPB.lfWidth : hb_parni( 4 );
pData->s_lfPB.lfEscapement = 0;
pData->s_lfPB.lfOrientation = 0;
pData->s_lfPB.lfWeight = HB_ISNIL( 5 ) ? pData->s_lfPB.lfWeight : hb_parni( 5 );
pData->s_lfPB.lfItalic = HB_ISNIL( 7 ) ? pData->s_lfPB.lfItalic : ( BYTE ) hb_parl( 7 );
pData->s_lfPB.lfUnderline = HB_ISNIL( 8 ) ? pData->s_lfPB.lfUnderline : ( BYTE ) hb_parl( 8 );
pData->s_lfPB.lfStrikeOut = HB_ISNIL( 9 ) ? pData->s_lfPB.lfStrikeOut : ( BYTE ) hb_parl( 9 );
pData->s_lfPB.lfCharSet = DEFAULT_CHARSET;
pData->s_lfPB.lfQuality = HB_ISNIL( 6 ) ? pData->s_lfPB.lfQuality : ( BYTE ) hb_parni( 6 );
pData->s_lfPB.lfPitchAndFamily = FF_DONTCARE;
if( HB_ISCHAR( 2 ) )
strcpy( pData->s_lfPB.lfFaceName, hb_parcx( 2 ) );
if( pWindowData->hPBfont )
{
HFONT hOldFont = pWindowData->hPBfont;
HFONT hFont = CreateFontIndirect( &pData->s_lfPB );
if( hFont )
{
CONTROL_DATA * pcd = pWindowData->pcdCtrlList;
while( pcd )
{
if( ( pcd->byCtrlClass == WVW_CONTROL_PUSHBUTTON ) &&
( ( HFONT ) SendMessage( pcd->hWndCtrl, WM_GETFONT, ( WPARAM ) 0, ( LPARAM ) 0 ) == hOldFont )
)
SendMessage( pcd->hWndCtrl, WM_SETFONT, ( WPARAM ) hFont, ( LPARAM ) TRUE );
pcd = pcd->pNext;
}
pWindowData->hPBfont = hFont;
DeleteObject( ( HFONT ) hOldFont );
}
else
retval = FALSE;
}
hb_retl( retval );
}
/* PUSHBUTTON ends */
/* COMBOBOX begins (experimental) */
/* wvw_cbCreate( [nWinNum], nTop, nLeft, nWidth, aText, bBlock, nListLines, ;
* nReserved, nKbdType, aOffset, hControl )
* create combobox (drop-down list, no editbox) for window nWinNum
* nTop: row of top/left corner (in character unit)
* nLeft: col of top/left corner (in character unit)
* nWidth: width of combobox (in character unit)
* aText: array of drop-down list members, default = {"empty"}
* eg. {"yes","no"}
* bBlock: codeblock to execute on these events:
* event=CBN_SELCHANGE(1): user changes selection
* (not executed if selection
* is changed programmatically)
* event=CBN_SETFOCUS
* event=CBN_KILLFOCUS
* This codeblock will be evaluated with these parameters:
* nWinNum: window number
* nCBid : combobox id
* nType : event type (CBN_SELCHANGE/CBN_SETFOCUS/CBN_KILLFOCUS supported)
* nIndex : index of the selected list item (0 based)
* nListLines: number of lines for list items, default = 3
* (will be automatically truncated if it's > Len(aText))
* nReserved: reserved for future (this parm is now ignored)
*
* nKbdType: WVW_CB_KBD_STANDARD (0): similar to standard windows convention
* ENTER/ESC: will kill focus from combobox
* WVW_CB_KBD_CLIPPER (1):
* ENTER: drop (show) the list box
* UP/DOWN/TAB/SHIFTTAB/ESC: kill focus
* default is WVW_CB_KBD_STANDARD (0)
*
* aOffset: array {y1,x1,y2,x2} of offsets to corner pixels, to adjust
* dimension of combobox.
* defaults: {-2,-2,+2,+2}
* NOTES: the third element (y2) is actually ignored.
* height of combobox is always 1 char height
* (see also wvw_cbSetFont())
*
* returns control id of newly created combobox of windows nWinNum
* returns 0 if failed
*
* example:
*/
HB_FUNC( WVW_CBCREATE )
{
UINT usWinNum = WVW_WHICH_WINDOW;
WIN_DATA * pWindowData = hb_gt_wvw_GetWindowsData( usWinNum );
HWND hWndParent = pWindowData->hWnd;
HWND hWndCB;
WVW_DATA * pData = hb_getWvwData();
/* LONG cnt; */
LONG numofchars;
LONG avgwidth;
LONG LongComboWidth, NewLongComboWidth;
/* RECT r; */
HFONT hFont = hb_gt_wvwGetFont( pWindowData->fontFace, 10, pWindowData->fontWidth, pWindowData->fontWeight, pWindowData->fontQuality, pWindowData->CodePage );
POINT xy = { 0 };
int iTop, iLeft, iBottom, iRight;
int iOffTop, iOffLeft, iOffBottom, iOffRight;
UINT uiCBid;
USHORT usWidth = ( USHORT ) hb_parni( 4 );
USHORT usTop = ( USHORT ) hb_parni( 2 ),
usLeft = ( USHORT ) hb_parni( 3 ),
usBottom = usTop,
usRight = usLeft + usWidth - 1;
USHORT usNumElement = ( USHORT ) ( HB_ISARRAY( 5 ) ? hb_arrayLen( hb_param( 5, HB_IT_ARRAY ) ) : 0 );
USHORT usListLines = ( USHORT ) ( HB_ISNUM( 7 ) ? hb_parni( 7 ) : 3 );
BYTE byCharHeight = hb_wvw_LineHeight( pWindowData );
/* in the future combobox type might be selectable by 8th parameter */
int iStyle = CBS_DROPDOWNLIST | WS_VSCROLL;
BYTE bKbdType = HB_ISNUM( 9 ) ? ( BYTE ) hb_parni( 9 ) : ( BYTE ) WVW_CB_KBD_STANDARD;
if( pWindowData->hCBfont == NULL )
{
pWindowData->hCBfont = CreateFontIndirect( &pData->s_lfCB );
if( pWindowData->hCBfont == NULL )
{
hb_retnl( 0 );
return;
}
}
LongComboWidth = 0;
iOffTop = ! HB_ISNIL( 10 ) ? hb_parvni( 10, 1 ) : 0;
iOffLeft = ! HB_ISNIL( 10 ) ? hb_parvni( 10, 2 ) : 0;
iOffBottom = usListLines;
iOffRight = ! HB_ISNIL( 10 ) ? hb_parvni( 10, 4 ) : 0;
if( hb_gt_wvw_GetMainCoordMode() )
hb_wvw_HBFUNCPrologue( usWinNum, &usTop, &usLeft, &usBottom, &usRight );
xy = hb_gt_wvwGetXYFromColRow( pWindowData, usLeft, usTop );
iTop = xy.y + iOffTop;
iLeft = xy.x + iOffLeft;
xy = hb_gt_wvwGetXYFromColRow( pWindowData, usRight + 1, usBottom + 1 );
xy.y -= pWindowData->byLineSpacing;
iBottom = xy.y - 1 + ( iOffBottom * byCharHeight );
iRight = xy.x - 1 + iOffRight;
uiCBid = LastControlId( usWinNum, WVW_CONTROL_COMBOBOX );
if( uiCBid == 0 )
uiCBid = WVW_ID_BASE_COMBOBOX;
else
uiCBid++;
InitCommonControls();
hWndCB = CreateWindowEx(
0L,
"COMBOBOX",
( LPSTR ) NULL,
WS_CHILD | WS_VISIBLE | ( DWORD ) iStyle,
iLeft,
iTop,
iRight - iLeft + 1,
iBottom - iTop + 1,
hWndParent,
( HMENU ) uiCBid,
hb_getWvwData()->hInstance,
( LPVOID ) NULL
);
if( hWndCB )
{
RECT rXB = { 0 }, rOffXB = { 0 };
WNDPROC OldProc;
USHORT i;
TCHAR szDefault[] = TEXT( "empty" );
SendMessage(
( HWND ) hWndCB,
WM_SETREDRAW,
( WPARAM ) TRUE,
( LPARAM ) 0
);
if( usNumElement == 0 )
{
if( SendMessage( ( HWND ) hWndCB,
CB_ADDSTRING,
( WPARAM ) 0,
( LPARAM ) ( LPCTSTR ) szDefault
) < 0 )
{
/* ignore failure */
}
}
else
for( i = 1; i <= usNumElement; i++ )
{
if( SendMessage( ( HWND ) hWndCB,
CB_ADDSTRING,
( WPARAM ) 0,
( LPARAM ) ( LPCTSTR ) hb_parvcx( 5, i )
) < 0 )
{
/* ignore failure */
}
else
{
numofchars = SendMessage( ( HWND ) hWndCB, CB_GETLBTEXTLEN, i - 1, 0 );
if( numofchars > LongComboWidth )
LongComboWidth = numofchars;
}
}
SendMessage(
( HWND ) hWndCB,
CB_SETCURSEL,
( WPARAM ) 0,
( LPARAM ) 0
);
SendMessage(
( HWND ) hWndCB,
CB_SETEXTENDEDUI,
( WPARAM ) TRUE,
( LPARAM ) 0
);
avgwidth = GetFontDialogUnits( hWndParent, hFont );
NewLongComboWidth = ( LongComboWidth - 2 ) * avgwidth;
SendMessage(
( HWND ) hWndCB,
CB_SETDROPPEDWIDTH,
( WPARAM ) NewLongComboWidth + 100, /* LongComboWidth+100 */
( LPARAM ) 0
);
rXB.top = usTop; rXB.left = usLeft;
rXB.bottom = usBottom; rXB.right = usRight;
rOffXB.top = iOffTop; rOffXB.left = iOffLeft;
rOffXB.bottom = iOffBottom; rOffXB.right = iOffRight;
AddControlHandle( usWinNum, WVW_CONTROL_COMBOBOX, hWndCB, uiCBid, ( PHB_ITEM ) hb_param( 6, HB_IT_BLOCK ), rXB, rOffXB, ( byte ) bKbdType );
OldProc = ( WNDPROC ) SetWindowLongPtr( hWndCB,
GWLP_WNDPROC, ( LONG_PTR ) hb_gt_wvwCBProc );
StoreControlProc( usWinNum, WVW_CONTROL_COMBOBOX, hWndCB, OldProc );
SendMessage( hWndCB, WM_SETFONT, ( WPARAM ) pWindowData->hCBfont, ( LPARAM ) TRUE );
hb_stornl( ( LONG ) hWndCB, 11 );
hb_retnl( ( LONG ) uiCBid );
}
else
hb_retnl( ( LONG ) 0 );
}
/*wvw_cbDestroy( [nWinNum], nCBid )
* destroy combobox nCBid for window nWinNum
*/
HB_FUNC( WVW_CBDESTROY )
{
UINT usWinNum = WVW_WHICH_WINDOW;
WIN_DATA * pWindowData = hb_gt_wvw_GetWindowsData( usWinNum );
UINT uiCBid = ( UINT ) ( HB_ISNIL( 2 ) ? 0 : hb_parni( 2 ) );
CONTROL_DATA * pcd = pWindowData->pcdCtrlList;
CONTROL_DATA * pcdPrev = ( CONTROL_DATA * ) NULL;
while( pcd )
{
if( pcd->byCtrlClass == WVW_CONTROL_COMBOBOX && pcd->uiCtrlid == uiCBid )
break;
pcdPrev = pcd;
pcd = pcd->pNext;
}
if( pcd == NULL )
return;
DestroyWindow( pcd->hWndCtrl );
if( pcdPrev == NULL )
pWindowData->pcdCtrlList = pcd->pNext;
else
pcdPrev->pNext = pcd->pNext;
if( pcd->phiCodeBlock )
hb_itemRelease( pcd->phiCodeBlock );
hb_xfree( pcd );
}
/*wvw_cbSetFocus( [nWinNum], nComboId )
* set the focus to combobox nComboId in window nWinNum
*/
HB_FUNC( WVW_CBSETFOCUS )
{
UINT usWinNum = WVW_WHICH_WINDOW;
UINT uiCtrlId = HB_ISNIL( 2 ) ? 0 : hb_parni( 2 );
byte bStyle;
HWND hWndCB = FindControlHandle( usWinNum, WVW_CONTROL_COMBOBOX, uiCtrlId, &bStyle );
if( hWndCB )
hb_retl( SetFocus( hWndCB ) != NULL );
else
hb_retl( FALSE );
}
/*wvw_cbIsFocused( [nWinNum], nComboId )
* returns .t. if the focus is on combobox nComboId in window nWinNum
*/
HB_FUNC( WVW_CBISFOCUSED )
{
UINT usWinNum = WVW_WHICH_WINDOW;
UINT uiCtrlId = HB_ISNIL( 2 ) ? 0 : hb_parni( 2 );
byte bStyle;
HWND hWndCB = FindControlHandle( usWinNum, WVW_CONTROL_COMBOBOX, uiCtrlId, &bStyle );
hb_retl( ( HWND ) GetFocus() == hWndCB );
}
/*wvw_cbEnable( [nWinNum], nComboId, [lEnable] )
* enable/disable button nComboId on window nWinNum
*(lEnable defaults to .t., ie. enabling the combobox)
* return previous state of the combobox (TRUE:enabled FALSE:disabled)
*(if nComboId is invalid, this function returns FALSE too)
*/
HB_FUNC( WVW_CBENABLE )
{
UINT usWinNum = WVW_WHICH_WINDOW;
UINT uiCtrlId = HB_ISNIL( 2 ) ? 0 : hb_parni( 2 );
BOOL bEnable = HB_ISNIL( 3 ) ? TRUE : hb_parl( 3 );
WIN_DATA * pWindowData = hb_gt_wvw_GetWindowsData( usWinNum );
byte bStyle;
HWND hWndCB = FindControlHandle( usWinNum, WVW_CONTROL_COMBOBOX, uiCtrlId, &bStyle );
if( hWndCB )
{
hb_retl( EnableWindow( hWndCB, bEnable ) == 0 );
if( ! bEnable )
SetFocus( pWindowData->hWnd );
}
else
hb_retl( FALSE );
}
/*wvw_cbSetCodeblock( [nWinNum], nCBid, bBlock )
* assign (new) codeblock bBlock to combobox nCBid for window nWinNum
*
* return .t. if successful
*/
HB_FUNC( WVW_CBSETCODEBLOCK )
{
UINT usWinNum = WVW_WHICH_WINDOW;
UINT uiCBid = ( UINT ) ( HB_ISNIL( 2 ) ? 0 : hb_parni( 2 ) );
CONTROL_DATA * pcd = GetControlData( usWinNum, WVW_CONTROL_COMBOBOX, NULL, uiCBid );
PHB_ITEM phiCodeBlock = hb_param( 3, HB_IT_BLOCK );
WVW_DATA * pData = hb_getWvwData();
BOOL bOldSetting = pData->s_bRecurseCBlock;
if( ! phiCodeBlock || pcd == NULL || pcd->bBusy )
{
hb_retl( FALSE );
return;
}
pData->s_bRecurseCBlock = FALSE;
pcd->bBusy = TRUE;
if( pcd->phiCodeBlock )
hb_itemRelease( pcd->phiCodeBlock );
pcd->phiCodeBlock = hb_itemNew( phiCodeBlock );
pcd->bBusy = FALSE;
pData->s_bRecurseCBlock = bOldSetting;
hb_retl( TRUE );
}
/* wvw_cbSetFont([nWinNum], cFontFace, nHeight, nWidth, nWeight, nQUality,;
* lItalic, lUnderline, lStrikeout
*
* this will initialize font for ALL comboboxes in window nWinNum
* (including ones created later on)
*
* TODO: ? should nHeight be ignored, and always forced to use standard char height?
*/
HB_FUNC( WVW_CBSETFONT )
{
UINT usWinNum = WVW_WHICH_WINDOW;
WIN_DATA * pWindowData = hb_gt_wvw_GetWindowsData( usWinNum );
WVW_DATA * pData = hb_getWvwData();
BOOL retval = TRUE;
pData->s_lfCB.lfHeight = HB_ISNIL( 3 ) ? pWindowData->fontHeight - 2 : hb_parnl( 3 );
pData->s_lfCB.lfWidth = HB_ISNIL( 4 ) ? pData->s_lfCB.lfWidth : hb_parni( 4 );
pData->s_lfCB.lfEscapement = 0;
pData->s_lfCB.lfOrientation = 0;
pData->s_lfCB.lfWeight = HB_ISNIL( 5 ) ? pData->s_lfCB.lfWeight : hb_parni( 5 );
pData->s_lfCB.lfItalic = HB_ISNIL( 7 ) ? pData->s_lfCB.lfItalic : ( BYTE ) hb_parl( 7 );
pData->s_lfCB.lfUnderline = HB_ISNIL( 8 ) ? pData->s_lfCB.lfUnderline : ( BYTE ) hb_parl( 8 );
pData->s_lfCB.lfStrikeOut = HB_ISNIL( 9 ) ? pData->s_lfCB.lfStrikeOut : ( BYTE ) hb_parl( 9 );
pData->s_lfCB.lfCharSet = DEFAULT_CHARSET;
pData->s_lfCB.lfQuality = HB_ISNIL( 6 ) ? pData->s_lfCB.lfQuality : ( BYTE ) hb_parni( 6 );
pData->s_lfCB.lfPitchAndFamily = FF_DONTCARE;
if( HB_ISCHAR( 2 ) )
strcpy( pData->s_lfCB.lfFaceName, hb_parcx( 2 ) );
if( pWindowData->hCBfont )
{
HFONT hOldFont = pWindowData->hCBfont;
HFONT hFont = CreateFontIndirect( &pData->s_lfCB );
if( hFont )
{
CONTROL_DATA * pcd = pWindowData->pcdCtrlList;
while( pcd )
{
if( ( pcd->byCtrlClass == WVW_CONTROL_COMBOBOX ) &&
( ( HFONT ) SendMessage( pcd->hWndCtrl, WM_GETFONT, ( WPARAM ) 0, ( LPARAM ) 0 ) == hOldFont )
)
SendMessage( pcd->hWndCtrl, WM_SETFONT, ( WPARAM ) hFont, ( LPARAM ) TRUE );
pcd = pcd->pNext;
}
pWindowData->hCBfont = hFont;
DeleteObject( ( HFONT ) hOldFont );
}
else
retval = FALSE;
}
hb_retl( retval );
}
/* wvw_cbSetIndex( [nWinNum], nCBid, nIndex )
* set current selection of combobox nCBid in window nWinNum to nIndex
* (nIndex is 0 based)
* returns .t. if successful.
*
* NOTE: the better name to this function should be wvw_CBSetCurSel()
* but that name is already used.
* (wvw_CBSetCurSel() and wvw_cbAddString() is NOT related to other
* WVW_CB* functions)
*/
HB_FUNC( WVW_CBSETINDEX )
{
UINT usWinNum = WVW_WHICH_WINDOW;
UINT uiCBid = hb_parni( 2 );
int iIndex = hb_parni( 3 );
CONTROL_DATA * pcd = GetControlData( usWinNum, WVW_CONTROL_COMBOBOX, NULL, uiCBid );
BOOL retval;
if( pcd == NULL || iIndex < 0 )
{
hb_retl( FALSE );
return;
}
retval = ( SendMessage( ( HWND ) pcd->hWndCtrl,
CB_SETCURSEL,
( WPARAM ) iIndex,
( LPARAM ) 0
) == iIndex );
hb_retl( retval );
}
/* wvw_cbGetIndex( [nWinNum], nCBid )
* get current selection of combobox nCBid in window nWinNum
* return nIndex (0 based)
* returns CB_ERR (-1) if none selected
*
* NOTE: the better name to this function should be WVW_CBgetCurSel()
* but that name is potentially misleading to WVW_CBsetCursel
* which is not our family of WVW_CB* functions
* (wvw_CBSetCurSel() and wvw_cbAddString() is NOT related to other
* WVW_CB* functions)
*/
HB_FUNC( WVW_CBGETINDEX )
{
UINT usWinNum = WVW_WHICH_WINDOW;
UINT uiCBid = hb_parni( 2 );
CONTROL_DATA * pcd = GetControlData( usWinNum, WVW_CONTROL_COMBOBOX, NULL, uiCBid );
int retval;
if( pcd == NULL )
{
hb_retni( CB_ERR );
return;
}
retval = SendMessage( ( HWND ) pcd->hWndCtrl,
CB_GETCURSEL,
( WPARAM ) 0,
( LPARAM ) 0
);
hb_retni( retval );
}
/* wvw_cbFindString( [nWinNum], nCBid, cString )
* find index of cString in combobox nCBid in window nWinNum
* returns index of cString (0 based)
* returns CB_ERR (-1) if string not found
*
* NOTE:case insensitive
*/
HB_FUNC( WVW_CBFINDSTRING )
{
UINT usWinNum = WVW_WHICH_WINDOW;
UINT uiCBid = hb_parni( 2 );
CONTROL_DATA * pcd = GetControlData( usWinNum, WVW_CONTROL_COMBOBOX, NULL, uiCBid );
int retval;
if( pcd == NULL )
{
hb_retni( CB_ERR );
return;
}
retval = SendMessage( ( HWND ) pcd->hWndCtrl,
CB_FINDSTRING,
( WPARAM ) -1,
( LPARAM ) ( LPCSTR ) hb_parcx( 3 )
);
hb_retni( retval );
}
/*wvw_cbGetCurText( [nWinNum], nCBid )
* get current selected cString in combobox nCBid in window nWinNum
* returns "" if none selected
*
*/
HB_FUNC( WVW_CBGETCURTEXT )
{
UINT usWinNum = WVW_WHICH_WINDOW;
UINT uiCBid = hb_parni( 2 );
CONTROL_DATA * pcd = GetControlData( usWinNum, WVW_CONTROL_COMBOBOX, NULL, uiCBid );
int iCurSel, iTextLen;
LPTSTR lptstr = NULL;
if( pcd == NULL )
{
hb_retclen( lptstr, 0 );
return;
}
iCurSel = SendMessage( ( HWND ) pcd->hWndCtrl,
CB_GETCURSEL,
( WPARAM ) 0,
( LPARAM ) 0
);
iTextLen = SendMessage( ( HWND ) pcd->hWndCtrl,
CB_GETLBTEXTLEN,
( WPARAM ) iCurSel,
( LPARAM ) 0
);
if( iTextLen == CB_ERR )
{
hb_retclen( lptstr, 0 );
return;
}
lptstr = ( char * ) hb_xgrab( iTextLen + 1 );
if( SendMessage( ( HWND ) pcd->hWndCtrl,
CB_GETLBTEXT,
( WPARAM ) iCurSel,
( LPARAM ) lptstr
) == CB_ERR )
hb_retclen( lptstr, 0 );
else
hb_retc( lptstr );
hb_xfree( lptstr );
}
/*wvw_cbIsDropped( [nWinNum], nCBid )
* get current dropped state of combobox nCBid in window nWinNum
* returns .t. if listbox is being shown, otherwise .f.
* Also returns .f. if nCBid not valid
*/
HB_FUNC( WVW_CBISDROPPED )
{
UINT usWinNum = WVW_WHICH_WINDOW;
UINT uiCBid = hb_parni( 2 );
CONTROL_DATA * pcd = GetControlData( usWinNum, WVW_CONTROL_COMBOBOX, NULL, uiCBid );
BOOL bDropped;
if( pcd == NULL )
{
hb_retl( FALSE );
return;
}
bDropped = SendMessage( ( HWND ) pcd->hWndCtrl,
CB_GETDROPPEDSTATE,
( WPARAM ) 0,
( LPARAM ) 0
);
hb_retl( bDropped );
}
/* COMBOBOX ends (experimental) */