1645 lines
47 KiB
C
1645 lines
47 KiB
C
/*
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* Combo controls
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*
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* Copyright 1997 Alex Korobka
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*
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* FIXME: roll up in Netscape 3.01.
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*/
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#include <string.h>
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#include "winuser.h"
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#include "wine/winuser16.h"
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#include "sysmetrics.h"
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#include "win.h"
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#include "spy.h"
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#include "user.h"
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#include "heap.h"
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#include "combo.h"
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#include "drive.h"
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#include "debug.h"
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/* bits in the dwKeyData */
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#define KEYDATA_ALT 0x2000
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#define KEYDATA_PREVSTATE 0x4000
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/*
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* Additional combo box definitions
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*/
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#define CB_GETPTR( wnd ) (*(LPHEADCOMBO*)((wnd)->wExtra))
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#define CB_NOTIFY( lphc, code ) \
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(SendMessageA( (lphc)->owner, WM_COMMAND, \
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MAKEWPARAM((lphc)->self->wIDmenu, (code)), (lphc)->self->hwndSelf))
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#define CB_GETEDITTEXTLENGTH( lphc ) \
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(SendMessageA( (lphc)->hWndEdit, WM_GETTEXTLENGTH, 0, 0 ))
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static HBITMAP hComboBmp = 0;
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static UINT CBitHeight, CBitWidth;
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static UINT CBitOffset = 8;
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/***********************************************************************
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* COMBO_Init
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*
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* Load combo button bitmap.
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*/
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static BOOL COMBO_Init()
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{
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HDC hDC;
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if( hComboBmp ) return TRUE;
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if( (hDC = CreateCompatibleDC(0)) )
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{
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BOOL bRet = FALSE;
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if( (hComboBmp = LoadBitmapA(0, MAKEINTRESOURCEA(OBM_COMBO))) )
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{
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BITMAP bm;
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HBITMAP hPrevB;
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RECT r;
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GetObjectA( hComboBmp, sizeof(bm), &bm );
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CBitHeight = bm.bmHeight;
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CBitWidth = bm.bmWidth;
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TRACE(combo, "combo bitmap [%i,%i]\n", CBitWidth, CBitHeight );
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hPrevB = SelectObject16( hDC, hComboBmp);
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SetRect( &r, 0, 0, CBitWidth, CBitHeight );
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InvertRect( hDC, &r );
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SelectObject( hDC, hPrevB );
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bRet = TRUE;
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}
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DeleteDC( hDC );
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return bRet;
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}
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return FALSE;
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}
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/***********************************************************************
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* COMBO_NCCreate
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*/
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static LRESULT COMBO_NCCreate(WND* wnd, LPARAM lParam)
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{
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LPHEADCOMBO lphc;
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if ( wnd && COMBO_Init() &&
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(lphc = HeapAlloc(GetProcessHeap(), 0, sizeof(HEADCOMBO))) )
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{
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LPCREATESTRUCTA lpcs = (CREATESTRUCTA*)lParam;
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memset( lphc, 0, sizeof(HEADCOMBO) );
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*(LPHEADCOMBO*)wnd->wExtra = lphc;
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/* some braindead apps do try to use scrollbar/border flags */
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lphc->dwStyle = (lpcs->style & ~(WS_BORDER | WS_HSCROLL | WS_VSCROLL));
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wnd->dwStyle &= ~(WS_BORDER | WS_HSCROLL | WS_VSCROLL);
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if( !(lpcs->style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) )
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lphc->dwStyle |= CBS_HASSTRINGS;
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if( !(wnd->dwExStyle & WS_EX_NOPARENTNOTIFY) )
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lphc->wState |= CBF_NOTIFY;
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TRACE(combo, "[0x%08x], style = %08x\n",
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(UINT)lphc, lphc->dwStyle );
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return (LRESULT)(UINT)wnd->hwndSelf;
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}
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return (LRESULT)FALSE;
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}
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/***********************************************************************
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* COMBO_NCDestroy
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*/
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static LRESULT COMBO_NCDestroy( LPHEADCOMBO lphc )
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{
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if( lphc )
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{
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WND* wnd = lphc->self;
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TRACE(combo,"[%04x]: freeing storage\n", CB_HWND(lphc));
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if( (CB_GETTYPE(lphc) != CBS_SIMPLE) && lphc->hWndLBox )
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DestroyWindow( lphc->hWndLBox );
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HeapFree( GetProcessHeap(), 0, lphc );
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wnd->wExtra[0] = 0;
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}
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return 0;
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}
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/***********************************************************************
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* CBGetDefaultTextHeight
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*/
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static void CBGetDefaultTextHeight( LPHEADCOMBO lphc, LPSIZE lpSize )
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{
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if( lphc->editHeight ) /* explicitly set height */
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lpSize->cy = lphc->editHeight;
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else
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{
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HDC hDC = GetDC( lphc->self->hwndSelf );
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HFONT hPrevFont = 0;
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if( lphc->hFont ) hPrevFont = SelectObject( hDC, lphc->hFont );
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GetTextExtentPoint32A( hDC, "0", 1, lpSize);
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lpSize->cy += lpSize->cy / 4 + 4 * SYSMETRICS_CYBORDER;
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if( hPrevFont ) SelectObject( hDC, hPrevFont );
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ReleaseDC( lphc->self->hwndSelf, hDC );
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}
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lpSize->cx = lphc->RectCombo.right - lphc->RectCombo.left;
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}
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/***********************************************************************
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* CBCalcPlacement
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*
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* Set up component coordinates given valid lphc->RectCombo.
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*/
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static void CBCalcPlacement( LPHEADCOMBO lphc, LPRECT lprEdit,
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LPRECT lprButton, LPRECT lprLB )
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{
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RECT rect = lphc->RectCombo;
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SIZE size;
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/* get combo height and width */
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if( CB_OWNERDRAWN(lphc) )
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{
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UINT u = lphc->RectEdit.bottom - lphc->RectEdit.top;
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if( lphc->wState & CBF_MEASUREITEM ) /* first initialization */
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{
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MEASUREITEMSTRUCT mi32;
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/* calculate defaults before sending WM_MEASUREITEM */
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CBGetDefaultTextHeight( lphc, &size );
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lphc->wState &= ~CBF_MEASUREITEM;
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mi32.CtlType = ODT_COMBOBOX;
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mi32.CtlID = lphc->self->wIDmenu;
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mi32.itemID = -1;
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mi32.itemWidth = size.cx;
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mi32.itemHeight = size.cy - 6; /* ownerdrawn cb is taller */
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mi32.itemData = 0;
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SendMessageA(lphc->owner, WM_MEASUREITEM,
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(WPARAM)mi32.CtlID, (LPARAM)&mi32);
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u = 6 + (UINT16)mi32.itemHeight;
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}
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else
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size.cx = rect.right - rect.left;
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size.cy = u;
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}
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else
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CBGetDefaultTextHeight( lphc, &size );
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/* calculate text and button placement */
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lprEdit->left = lprEdit->top = lprButton->top = 0;
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if( CB_GETTYPE(lphc) == CBS_SIMPLE ) /* no button */
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lprButton->left = lprButton->right = lprButton->bottom = 0;
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else
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{
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INT i = size.cx - CBitWidth - 10; /* seems ok */
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lprButton->right = size.cx;
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lprButton->left = (INT16)i;
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lprButton->bottom = lprButton->top + size.cy;
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if( i < 0 ) size.cx = 0;
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else size.cx = i;
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}
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if( CB_GETTYPE(lphc) == CBS_DROPDOWN )
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{
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size.cx -= CBitOffset;
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if( size.cx < 0 ) size.cx = 0;
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}
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lprEdit->right = size.cx; lprEdit->bottom = size.cy;
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/* listbox placement */
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lprLB->left = ( CB_GETTYPE(lphc) == CBS_DROPDOWNLIST ) ? 0 : CBitOffset;
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lprLB->top = lprEdit->bottom - SYSMETRICS_CYBORDER;
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lprLB->right = rect.right - rect.left;
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lprLB->bottom = rect.bottom - rect.top;
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if( lphc->droppedWidth > (lprLB->right - lprLB->left) )
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lprLB->right = lprLB->left + lphc->droppedWidth;
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TRACE(combo,"[%04x]: (%i,%i-%i,%i) placement\n",
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CB_HWND(lphc), lphc->RectCombo.left, lphc->RectCombo.top,
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lphc->RectCombo.right, lphc->RectCombo.bottom);
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TRACE(combo,"\ttext\t= (%i,%i-%i,%i)\n",
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lprEdit->left, lprEdit->top, lprEdit->right, lprEdit->bottom);
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TRACE(combo,"\tbutton\t= (%i,%i-%i,%i)\n",
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lprButton->left, lprButton->top, lprButton->right, lprButton->bottom);
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TRACE(combo,"\tlbox\t= (%i,%i-%i,%i)\n",
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lprLB->left, lprLB->top, lprLB->right, lprLB->bottom );
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}
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/***********************************************************************
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* CBGetDroppedControlRect32
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*/
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static void CBGetDroppedControlRect( LPHEADCOMBO lphc, LPRECT lpRect)
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{
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lpRect->left = lphc->RectCombo.left +
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(lphc->wState & CBF_EDIT) ? CBitOffset : 0;
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lpRect->top = lphc->RectCombo.top + lphc->RectEdit.bottom -
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SYSMETRICS_CYBORDER;
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lpRect->right = lphc->RectCombo.right;
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lpRect->bottom = lphc->RectCombo.bottom - SYSMETRICS_CYBORDER;
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}
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/***********************************************************************
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* COMBO_Create
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*/
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static LRESULT COMBO_Create( LPHEADCOMBO lphc, WND* wnd, LPARAM lParam)
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{
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static char clbName[] = "ComboLBox";
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static char editName[] = "Edit";
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LPCREATESTRUCTA lpcs = (CREATESTRUCTA*)lParam;
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if( !CB_GETTYPE(lphc) ) lphc->dwStyle |= CBS_SIMPLE;
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else if( CB_GETTYPE(lphc) != CBS_DROPDOWNLIST ) lphc->wState |= CBF_EDIT;
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lphc->self = wnd;
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lphc->owner = lpcs->hwndParent;
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/* M$ IE 3.01 actually creates (and rapidly destroys) an ownerless combobox */
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if( lphc->owner || !(lpcs->style & WS_VISIBLE) )
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{
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UINT lbeStyle;
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RECT editRect, btnRect, lbRect;
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GetWindowRect( wnd->hwndSelf, &lphc->RectCombo );
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lphc->wState |= CBF_MEASUREITEM;
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CBCalcPlacement( lphc, &editRect, &btnRect, &lbRect );
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lphc->RectButton = btnRect;
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lphc->droppedWidth = lphc->editHeight = 0;
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/* create listbox popup */
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lbeStyle = (LBS_NOTIFY | WS_BORDER | WS_CLIPSIBLINGS) |
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(lpcs->style & (WS_VSCROLL | CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE));
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if( lphc->dwStyle & CBS_SORT )
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lbeStyle |= LBS_SORT;
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if( lphc->dwStyle & CBS_HASSTRINGS )
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lbeStyle |= LBS_HASSTRINGS;
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if( lphc->dwStyle & CBS_NOINTEGRALHEIGHT )
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lbeStyle |= LBS_NOINTEGRALHEIGHT;
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if( lphc->dwStyle & CBS_DISABLENOSCROLL )
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lbeStyle |= LBS_DISABLENOSCROLL;
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if( CB_GETTYPE(lphc) == CBS_SIMPLE ) /* child listbox */
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lbeStyle |= WS_CHILD | WS_VISIBLE;
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else /* popup listbox */
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{
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lbeStyle |= WS_POPUP;
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OffsetRect( &lbRect, lphc->RectCombo.left, lphc->RectCombo.top );
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}
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/* Dropdown ComboLBox is not a child window and we cannot pass
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* ID_CB_LISTBOX directly because it will be treated as a menu handle.
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*/
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lphc->hWndLBox = CreateWindowExA( 0, clbName, NULL, lbeStyle,
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lbRect.left + SYSMETRICS_CXBORDER,
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lbRect.top + SYSMETRICS_CYBORDER,
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lbRect.right - lbRect.left - 2 * SYSMETRICS_CXBORDER,
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lbRect.bottom - lbRect.top - 2 * SYSMETRICS_CYBORDER,
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lphc->self->hwndSelf,
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(lphc->dwStyle & CBS_DROPDOWN)? (HMENU)0 : (HMENU)ID_CB_LISTBOX,
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lphc->self->hInstance, (LPVOID)lphc );
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if( lphc->hWndLBox )
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{
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BOOL bEdit = TRUE;
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lbeStyle = WS_CHILD | WS_VISIBLE | WS_BORDER | ES_NOHIDESEL | ES_LEFT;
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if( lphc->wState & CBF_EDIT )
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{
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if( lphc->dwStyle & CBS_OEMCONVERT )
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lbeStyle |= ES_OEMCONVERT;
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if( lphc->dwStyle & CBS_AUTOHSCROLL )
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lbeStyle |= ES_AUTOHSCROLL;
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if( lphc->dwStyle & CBS_LOWERCASE )
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lbeStyle |= ES_LOWERCASE;
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else if( lphc->dwStyle & CBS_UPPERCASE )
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lbeStyle |= ES_UPPERCASE;
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lphc->hWndEdit = CreateWindowExA( 0, editName, NULL, lbeStyle,
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editRect.left, editRect.top, editRect.right - editRect.left,
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editRect.bottom - editRect.top, lphc->self->hwndSelf,
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(HMENU)ID_CB_EDIT, lphc->self->hInstance, NULL );
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if( !lphc->hWndEdit ) bEdit = FALSE;
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}
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if( bEdit )
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{
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lphc->RectEdit = editRect;
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if( CB_GETTYPE(lphc) != CBS_SIMPLE )
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{
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lphc->wState |= CBF_NORESIZE;
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SetWindowPos( wnd->hwndSelf, 0, 0, 0,
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lphc->RectCombo.right - lphc->RectCombo.left,
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lphc->RectEdit.bottom - lphc->RectEdit.top,
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SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE );
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lphc->wState &= ~CBF_NORESIZE;
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}
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TRACE(combo,"init done\n");
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return wnd->hwndSelf;
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}
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ERR(combo, "edit control failure.\n");
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} else ERR(combo, "listbox failure.\n");
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} else ERR(combo, "no owner for visible combo.\n");
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/* CreateWindow() will send WM_NCDESTROY to cleanup */
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return -1;
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}
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/***********************************************************************
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* CBPaintButton
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*
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* Paint combo button (normal, pressed, and disabled states).
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*/
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static void CBPaintButton(LPHEADCOMBO lphc, HDC hdc)
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{
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RECT r;
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UINT x, y;
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BOOL bBool;
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HDC hMemDC;
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HBRUSH hPrevBrush;
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COLORREF oldTextColor, oldBkColor;
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if( lphc->wState & CBF_NOREDRAW ) return;
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hPrevBrush = SelectObject(hdc, GetSysColorBrush(COLOR_BTNFACE));
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CONV_RECT16TO32( &lphc->RectButton, &r );
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Rectangle(hdc, r.left, r.top, r.right, r.bottom );
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if( (bBool = lphc->wState & CBF_BUTTONDOWN) )
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{
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DrawEdge( hdc, &r, EDGE_SUNKEN, BF_RECT );
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OffsetRect( &r, 1, 1 );
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} else {
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r.top++, r.left++;
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DrawEdge( hdc, &r, EDGE_RAISED, BF_RECT );
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r.top--, r.left--;
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}
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InflateRect( &r, -1, -1 );
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x = (r.left + r.right - CBitWidth) >> 1;
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y = (r.top + r.bottom - CBitHeight) >> 1;
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InflateRect( &r, -3, -3 );
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hMemDC = CreateCompatibleDC( hdc );
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SelectObject( hMemDC, hComboBmp );
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oldTextColor = SetTextColor( hdc, GetSysColor(COLOR_BTNFACE) );
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oldBkColor = SetBkColor( hdc, CB_DISABLED(lphc) ? RGB(128,128,128) :
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RGB(0,0,0) );
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BitBlt( hdc, x, y, 8, 8, hMemDC, 0, 0, SRCCOPY );
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SetBkColor( hdc, oldBkColor );
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SetTextColor( hdc, oldTextColor );
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DeleteDC( hMemDC );
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SelectObject( hdc, hPrevBrush );
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}
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/***********************************************************************
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* CBPaintText
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*
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* Paint CBS_DROPDOWNLIST text field / update edit control contents.
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*/
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static void CBPaintText(LPHEADCOMBO lphc, HDC hdc)
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{
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INT id, size = 0;
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LPSTR pText = NULL;
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if( lphc->wState & CBF_NOREDRAW ) return;
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/* follow Windows combobox that sends a bunch of text
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* inquiries to its listbox while processing WM_PAINT. */
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if( (id = SendMessageA(lphc->hWndLBox, LB_GETCURSEL, 0, 0) ) != LB_ERR )
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{
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size = SendMessageA( lphc->hWndLBox, LB_GETTEXTLEN, id, 0);
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if( (pText = HeapAlloc( GetProcessHeap(), 0, size + 1)) )
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{
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SendMessageA( lphc->hWndLBox, LB_GETTEXT, (WPARAM)id, (LPARAM)pText );
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pText[size] = '\0'; /* just in case */
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} else return;
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}
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if( lphc->wState & CBF_EDIT )
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{
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if( CB_HASSTRINGS(lphc) ) SetWindowTextA( lphc->hWndEdit, pText ? pText : "" );
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if( lphc->wState & CBF_FOCUSED )
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SendMessageA( lphc->hWndEdit, EM_SETSEL, 0, (LPARAM)(-1));
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}
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else /* paint text field ourselves */
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{
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HBRUSH hPrevBrush = 0;
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HDC hDC = hdc;
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if( !hDC )
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{
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if ((hDC = GetDC(lphc->self->hwndSelf)))
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{
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HBRUSH hBrush = SendMessageA( lphc->owner,
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WM_CTLCOLORLISTBOX,
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hDC, lphc->self->hwndSelf );
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hPrevBrush = SelectObject( hDC,
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(hBrush) ? hBrush : GetStockObject(WHITE_BRUSH) );
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}
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}
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if( hDC )
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{
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RECT rect;
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UINT itemState;
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HFONT hPrevFont = (lphc->hFont) ? SelectObject(hDC, lphc->hFont) : 0;
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|
|
PatBlt( hDC, (rect.left = lphc->RectEdit.left + SYSMETRICS_CXBORDER),
|
|
(rect.top = lphc->RectEdit.top + SYSMETRICS_CYBORDER),
|
|
(rect.right = lphc->RectEdit.right - SYSMETRICS_CXBORDER),
|
|
(rect.bottom = lphc->RectEdit.bottom - SYSMETRICS_CYBORDER) - 1, PATCOPY );
|
|
InflateRect( &rect, -1, -1 );
|
|
|
|
if( lphc->wState & CBF_FOCUSED &&
|
|
!(lphc->wState & CBF_DROPPED) )
|
|
{
|
|
/* highlight */
|
|
|
|
FillRect( hDC, &rect, GetSysColorBrush(COLOR_HIGHLIGHT) );
|
|
SetBkColor( hDC, GetSysColor( COLOR_HIGHLIGHT ) );
|
|
SetTextColor( hDC, GetSysColor( COLOR_HIGHLIGHTTEXT ) );
|
|
itemState = ODS_SELECTED | ODS_FOCUS;
|
|
} else itemState = 0;
|
|
|
|
if( CB_OWNERDRAWN(lphc) )
|
|
{
|
|
DRAWITEMSTRUCT dis;
|
|
|
|
if( lphc->self->dwStyle & WS_DISABLED ) itemState |= ODS_DISABLED;
|
|
|
|
dis.CtlType = ODT_COMBOBOX;
|
|
dis.CtlID = lphc->self->wIDmenu;
|
|
dis.hwndItem = lphc->self->hwndSelf;
|
|
dis.itemAction = ODA_DRAWENTIRE;
|
|
dis.itemID = id;
|
|
dis.itemState = itemState;
|
|
dis.hDC = hDC;
|
|
dis.rcItem = rect;
|
|
dis.itemData = SendMessageA( lphc->hWndLBox, LB_GETITEMDATA,
|
|
(WPARAM)id, 0 );
|
|
SendMessageA( lphc->owner, WM_DRAWITEM,
|
|
lphc->self->wIDmenu, (LPARAM)&dis );
|
|
}
|
|
else
|
|
{
|
|
ExtTextOutA( hDC, rect.left + 1, rect.top + 1,
|
|
ETO_OPAQUE | ETO_CLIPPED, &rect,
|
|
pText ? pText : "" , size, NULL );
|
|
if(lphc->wState & CBF_FOCUSED && !(lphc->wState & CBF_DROPPED))
|
|
DrawFocusRect( hDC, &rect );
|
|
}
|
|
|
|
if( hPrevFont ) SelectObject(hDC, hPrevFont );
|
|
if( !hdc )
|
|
{
|
|
if( hPrevBrush ) SelectObject( hDC, hPrevBrush );
|
|
ReleaseDC( lphc->self->hwndSelf, hDC );
|
|
}
|
|
}
|
|
}
|
|
if (pText)
|
|
HeapFree( GetProcessHeap(), 0, pText );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* COMBO_Paint
|
|
*/
|
|
static LRESULT COMBO_Paint(LPHEADCOMBO lphc, HDC hParamDC)
|
|
{
|
|
PAINTSTRUCT ps;
|
|
HDC hDC;
|
|
|
|
hDC = (hParamDC) ? hParamDC
|
|
: BeginPaint( lphc->self->hwndSelf, &ps);
|
|
if( hDC && !(lphc->wState & CBF_NOREDRAW) )
|
|
{
|
|
HBRUSH hPrevBrush, hBkgBrush;
|
|
|
|
hBkgBrush = SendMessageA( lphc->owner, WM_CTLCOLORLISTBOX,
|
|
hDC, lphc->self->hwndSelf );
|
|
if( !hBkgBrush ) hBkgBrush = GetStockObject(WHITE_BRUSH);
|
|
|
|
hPrevBrush = SelectObject( hDC, hBkgBrush );
|
|
if( !IsRectEmpty(&lphc->RectButton) )
|
|
{
|
|
/* paint everything to the right of the text field */
|
|
|
|
PatBlt( hDC, lphc->RectEdit.right, lphc->RectEdit.top,
|
|
lphc->RectButton.right - lphc->RectEdit.right,
|
|
lphc->RectEdit.bottom - lphc->RectEdit.top, PATCOPY );
|
|
CBPaintButton( lphc, hDC );
|
|
}
|
|
|
|
if( !(lphc->wState & CBF_EDIT) )
|
|
{
|
|
/* paint text field */
|
|
|
|
HPEN hPrevPen = SelectObject( hDC, GetSysColorPen(
|
|
COLOR_WINDOWFRAME) );
|
|
|
|
Rectangle( hDC, lphc->RectEdit.left, lphc->RectEdit.top,
|
|
lphc->RectEdit.right, lphc->RectButton.bottom );
|
|
SelectObject( hDC, hPrevPen );
|
|
CBPaintText( lphc, hDC );
|
|
}
|
|
if( hPrevBrush ) SelectObject( hDC, hPrevBrush );
|
|
}
|
|
if( !hParamDC ) EndPaint(lphc->self->hwndSelf, &ps);
|
|
return 0;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CBUpdateLBox
|
|
*
|
|
* Select listbox entry according to the contents of the edit control.
|
|
*/
|
|
static INT CBUpdateLBox( LPHEADCOMBO lphc )
|
|
{
|
|
INT length, idx, ret;
|
|
LPSTR pText = NULL;
|
|
|
|
idx = ret = LB_ERR;
|
|
length = CB_GETEDITTEXTLENGTH( lphc );
|
|
|
|
if( length > 0 )
|
|
pText = (LPSTR) HeapAlloc( GetProcessHeap(), 0, length + 1);
|
|
|
|
TRACE(combo,"\t edit text length %i\n", length );
|
|
|
|
if( pText )
|
|
{
|
|
if( length ) GetWindowTextA( lphc->hWndEdit, pText, length + 1);
|
|
else pText[0] = '\0';
|
|
idx = SendMessageA( lphc->hWndLBox, LB_FINDSTRING,
|
|
(WPARAM)(-1), (LPARAM)pText );
|
|
if( idx == LB_ERR ) idx = 0; /* select first item */
|
|
else ret = idx;
|
|
HeapFree( GetProcessHeap(), 0, pText );
|
|
}
|
|
|
|
/* select entry */
|
|
|
|
SendMessageA( lphc->hWndLBox, LB_SETCURSEL, (WPARAM)idx, 0 );
|
|
|
|
if( idx >= 0 )
|
|
{
|
|
SendMessageA( lphc->hWndLBox, LB_SETTOPINDEX, (WPARAM)idx, 0 );
|
|
/* probably superfluous but Windows sends this too */
|
|
SendMessageA( lphc->hWndLBox, LB_SETCARETINDEX, (WPARAM)idx, 0 );
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CBUpdateEdit
|
|
*
|
|
* Copy a listbox entry to the edit control.
|
|
*/
|
|
static void CBUpdateEdit( LPHEADCOMBO lphc , INT index )
|
|
{
|
|
INT length;
|
|
LPSTR pText = NULL;
|
|
|
|
TRACE(combo,"\t %i\n", index );
|
|
|
|
if( index == -1 )
|
|
{
|
|
length = CB_GETEDITTEXTLENGTH( lphc );
|
|
if( length )
|
|
{
|
|
if( (pText = (LPSTR) HeapAlloc( GetProcessHeap(), 0, length + 1)) )
|
|
{
|
|
GetWindowTextA( lphc->hWndEdit, pText, length + 1 );
|
|
index = SendMessageA( lphc->hWndLBox, LB_FINDSTRING,
|
|
(WPARAM)(-1), (LPARAM)pText );
|
|
HeapFree( GetProcessHeap(), 0, pText );
|
|
}
|
|
}
|
|
}
|
|
|
|
if( index >= 0 ) /* got an entry */
|
|
{
|
|
length = SendMessageA( lphc->hWndLBox, LB_GETTEXTLEN, (WPARAM)index, 0);
|
|
if( length )
|
|
{
|
|
if( (pText = (LPSTR) HeapAlloc( GetProcessHeap(), 0, length + 1)) )
|
|
{
|
|
SendMessageA( lphc->hWndLBox, LB_GETTEXT,
|
|
(WPARAM)index, (LPARAM)pText );
|
|
SendMessageA( lphc->hWndEdit, WM_SETTEXT, 0, (LPARAM)pText );
|
|
SendMessageA( lphc->hWndEdit, EM_SETSEL, 0, (LPARAM)(-1) );
|
|
HeapFree( GetProcessHeap(), 0, pText );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CBDropDown
|
|
*
|
|
* Show listbox popup.
|
|
*/
|
|
static void CBDropDown( LPHEADCOMBO lphc )
|
|
{
|
|
INT index;
|
|
RECT rect;
|
|
LPRECT pRect = NULL;
|
|
|
|
TRACE(combo,"[%04x]: drop down\n", CB_HWND(lphc));
|
|
|
|
CB_NOTIFY( lphc, CBN_DROPDOWN );
|
|
|
|
/* set selection */
|
|
|
|
lphc->wState |= CBF_DROPPED;
|
|
if( CB_GETTYPE(lphc) == CBS_DROPDOWN )
|
|
{
|
|
index = CBUpdateLBox( lphc );
|
|
if( !(lphc->wState & CBF_CAPTURE) ) CBUpdateEdit( lphc, index );
|
|
}
|
|
else
|
|
{
|
|
index = SendMessageA( lphc->hWndLBox, LB_GETCURSEL, 0, 0 );
|
|
if( index == LB_ERR ) index = 0;
|
|
SendMessageA( lphc->hWndLBox, LB_SETTOPINDEX, (WPARAM)index, 0 );
|
|
SendMessageA( lphc->hWndLBox, LB_CARETON, 0, 0 );
|
|
pRect = &lphc->RectEdit;
|
|
}
|
|
|
|
/* now set popup position */
|
|
|
|
GetWindowRect( lphc->self->hwndSelf, &rect );
|
|
|
|
rect.top += lphc->RectEdit.bottom - lphc->RectEdit.top - SYSMETRICS_CYBORDER;
|
|
rect.bottom = rect.top + lphc->RectCombo.bottom -
|
|
lphc->RectCombo.top - SYSMETRICS_CYBORDER;
|
|
rect.right = rect.left + lphc->RectCombo.right - lphc->RectCombo.left;
|
|
rect.left += ( CB_GETTYPE(lphc) == CBS_DROPDOWNLIST ) ? 0 : CBitOffset;
|
|
|
|
SetWindowPos( lphc->hWndLBox, HWND_TOP, rect.left, rect.top,
|
|
rect.right - rect.left, rect.bottom - rect.top,
|
|
SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOREDRAW);
|
|
|
|
if( !(lphc->wState & CBF_NOREDRAW) )
|
|
if( pRect )
|
|
RedrawWindow( lphc->self->hwndSelf, pRect, 0, RDW_INVALIDATE |
|
|
RDW_ERASE | RDW_UPDATENOW | RDW_NOCHILDREN );
|
|
ShowWindow( lphc->hWndLBox, SW_SHOWNA );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CBRollUp
|
|
*
|
|
* Hide listbox popup.
|
|
*/
|
|
static void CBRollUp( LPHEADCOMBO lphc, BOOL ok, BOOL bButton )
|
|
{
|
|
HWND hWnd = lphc->self->hwndSelf;
|
|
|
|
CB_NOTIFY( lphc, (ok) ? CBN_SELENDOK : CBN_SELENDCANCEL );
|
|
|
|
if( IsWindow( hWnd ) && CB_GETTYPE(lphc) != CBS_SIMPLE )
|
|
{
|
|
|
|
TRACE(combo,"[%04x]: roll up [%i]\n", CB_HWND(lphc), (INT)ok );
|
|
|
|
/* always send WM_LBUTTONUP? */
|
|
SendMessageA( lphc->hWndLBox, WM_LBUTTONUP, 0, (LPARAM)(-1) );
|
|
|
|
if( lphc->wState & CBF_DROPPED )
|
|
{
|
|
RECT rect;
|
|
|
|
lphc->wState &= ~CBF_DROPPED;
|
|
ShowWindow( lphc->hWndLBox, SW_HIDE );
|
|
|
|
if( CB_GETTYPE(lphc) == CBS_DROPDOWN )
|
|
{
|
|
INT index = SendMessageA( lphc->hWndLBox, LB_GETCURSEL, 0, 0 );
|
|
CBUpdateEdit( lphc, index );
|
|
rect = lphc->RectButton;
|
|
}
|
|
else
|
|
{
|
|
if( bButton )
|
|
UnionRect( &rect, &lphc->RectButton,
|
|
&lphc->RectEdit );
|
|
else
|
|
rect = lphc->RectEdit;
|
|
bButton = TRUE;
|
|
}
|
|
|
|
if( bButton && !(lphc->wState & CBF_NOREDRAW) )
|
|
RedrawWindow( hWnd, &rect, 0, RDW_INVALIDATE |
|
|
RDW_ERASE | RDW_UPDATENOW | RDW_NOCHILDREN );
|
|
CB_NOTIFY( lphc, CBN_CLOSEUP );
|
|
}
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* COMBO_FlipListbox
|
|
*
|
|
* Used by the ComboLBox to show/hide itself in response to VK_F4, etc...
|
|
*/
|
|
BOOL COMBO_FlipListbox( LPHEADCOMBO lphc, BOOL bRedrawButton )
|
|
{
|
|
if( lphc->wState & CBF_DROPPED )
|
|
{
|
|
CBRollUp( lphc, TRUE, bRedrawButton );
|
|
return FALSE;
|
|
}
|
|
|
|
CBDropDown( lphc );
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* COMBO_GetLBWindow
|
|
*
|
|
* Edit control helper.
|
|
*/
|
|
HWND COMBO_GetLBWindow( WND* pWnd )
|
|
{
|
|
LPHEADCOMBO lphc = CB_GETPTR(pWnd);
|
|
if( lphc ) return lphc->hWndLBox;
|
|
return 0;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CBRepaintButton
|
|
*/
|
|
static void CBRepaintButton( LPHEADCOMBO lphc )
|
|
{
|
|
HDC hDC = GetDC( lphc->self->hwndSelf );
|
|
|
|
if( hDC )
|
|
{
|
|
CBPaintButton( lphc, hDC );
|
|
ReleaseDC( lphc->self->hwndSelf, hDC );
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* COMBO_SetFocus
|
|
*/
|
|
static void COMBO_SetFocus( LPHEADCOMBO lphc )
|
|
{
|
|
if( !(lphc->wState & CBF_FOCUSED) )
|
|
{
|
|
if( CB_GETTYPE(lphc) == CBS_DROPDOWNLIST )
|
|
SendMessageA( lphc->hWndLBox, LB_CARETON, 0, 0 );
|
|
|
|
if( lphc->wState & CBF_EDIT )
|
|
SendMessageA( lphc->hWndEdit, EM_SETSEL, 0, (LPARAM)(-1) );
|
|
lphc->wState |= CBF_FOCUSED;
|
|
if( !(lphc->wState & CBF_EDIT) ) CBPaintText( lphc, 0 );
|
|
|
|
CB_NOTIFY( lphc, CBN_SETFOCUS );
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* COMBO_KillFocus
|
|
*/
|
|
static void COMBO_KillFocus( LPHEADCOMBO lphc )
|
|
{
|
|
HWND hWnd = lphc->self->hwndSelf;
|
|
|
|
if( lphc->wState & CBF_FOCUSED )
|
|
{
|
|
SendMessageA( hWnd, WM_LBUTTONUP, 0, (LPARAM)(-1) );
|
|
|
|
CBRollUp( lphc, FALSE, TRUE );
|
|
if( IsWindow( hWnd ) )
|
|
{
|
|
if( CB_GETTYPE(lphc) == CBS_DROPDOWNLIST )
|
|
SendMessageA( lphc->hWndLBox, LB_CARETOFF, 0, 0 );
|
|
|
|
lphc->wState &= ~CBF_FOCUSED;
|
|
|
|
/* redraw text */
|
|
if( lphc->wState & CBF_EDIT )
|
|
SendMessageA( lphc->hWndEdit, EM_SETSEL, (WPARAM)(-1), 0 );
|
|
else CBPaintText( lphc, 0 );
|
|
|
|
CB_NOTIFY( lphc, CBN_KILLFOCUS );
|
|
}
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* COMBO_Command
|
|
*/
|
|
static LRESULT COMBO_Command( LPHEADCOMBO lphc, WPARAM wParam, HWND hWnd )
|
|
{
|
|
if( lphc->wState & CBF_EDIT && lphc->hWndEdit == hWnd )
|
|
{
|
|
/* ">> 8" makes gcc generate jump-table instead of cmp ladder */
|
|
|
|
switch( HIWORD(wParam) >> 8 )
|
|
{
|
|
case (EN_SETFOCUS >> 8):
|
|
|
|
TRACE(combo,"[%04x]: edit [%04x] got focus\n",
|
|
CB_HWND(lphc), lphc->hWndEdit );
|
|
|
|
if( !(lphc->wState & CBF_FOCUSED) ) COMBO_SetFocus( lphc );
|
|
break;
|
|
|
|
case (EN_KILLFOCUS >> 8):
|
|
|
|
TRACE(combo,"[%04x]: edit [%04x] lost focus\n",
|
|
CB_HWND(lphc), lphc->hWndEdit );
|
|
|
|
/* NOTE: it seems that Windows' edit control sends an
|
|
* undocumented message WM_USER + 0x1B instead of this
|
|
* notification (only when it happens to be a part of
|
|
* the combo). ?? - AK.
|
|
*/
|
|
|
|
COMBO_KillFocus( lphc );
|
|
break;
|
|
|
|
|
|
case (EN_CHANGE >> 8):
|
|
CB_NOTIFY( lphc, CBN_EDITCHANGE );
|
|
CBUpdateLBox( lphc );
|
|
break;
|
|
|
|
case (EN_UPDATE >> 8):
|
|
CB_NOTIFY( lphc, CBN_EDITUPDATE );
|
|
break;
|
|
|
|
case (EN_ERRSPACE >> 8):
|
|
CB_NOTIFY( lphc, CBN_ERRSPACE );
|
|
}
|
|
}
|
|
else if( lphc->hWndLBox == hWnd )
|
|
{
|
|
switch( HIWORD(wParam) )
|
|
{
|
|
case LBN_ERRSPACE:
|
|
CB_NOTIFY( lphc, CBN_ERRSPACE );
|
|
break;
|
|
|
|
case LBN_DBLCLK:
|
|
CB_NOTIFY( lphc, CBN_DBLCLK );
|
|
break;
|
|
|
|
case LBN_SELCHANGE:
|
|
case LBN_SELCANCEL:
|
|
|
|
TRACE(combo,"[%04x]: lbox selection change [%04x]\n",
|
|
CB_HWND(lphc), lphc->wState );
|
|
|
|
/* do not roll up if selection is being tracked
|
|
* by arrowkeys in the dropdown listbox */
|
|
|
|
if( (lphc->wState & CBF_DROPPED) && !(lphc->wState & CBF_NOROLLUP) )
|
|
CBRollUp( lphc, (HIWORD(wParam) == LBN_SELCHANGE), TRUE );
|
|
else lphc->wState &= ~CBF_NOROLLUP;
|
|
|
|
CB_NOTIFY( lphc, CBN_SELCHANGE );
|
|
CBPaintText( lphc, 0 );
|
|
/* fall through */
|
|
|
|
case LBN_SETFOCUS:
|
|
case LBN_KILLFOCUS:
|
|
/* nothing to do here since ComboLBox always resets the focus to its
|
|
* combo/edit counterpart */
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* COMBO_ItemOp
|
|
*
|
|
* Fixup an ownerdrawn item operation and pass it up to the combobox owner.
|
|
*/
|
|
static LRESULT COMBO_ItemOp( LPHEADCOMBO lphc, UINT msg,
|
|
WPARAM wParam, LPARAM lParam )
|
|
{
|
|
HWND hWnd = lphc->self->hwndSelf;
|
|
|
|
TRACE(combo,"[%04x]: ownerdraw op %04x\n", CB_HWND(lphc), msg );
|
|
|
|
#define lpIS ((LPDELETEITEMSTRUCT)lParam)
|
|
|
|
/* two first items are the same in all 4 structs */
|
|
lpIS->CtlType = ODT_COMBOBOX;
|
|
lpIS->CtlID = lphc->self->wIDmenu;
|
|
|
|
switch( msg ) /* patch window handle */
|
|
{
|
|
case WM_DELETEITEM:
|
|
lpIS->hwndItem = hWnd;
|
|
#undef lpIS
|
|
break;
|
|
case WM_DRAWITEM:
|
|
#define lpIS ((LPDRAWITEMSTRUCT)lParam)
|
|
lpIS->hwndItem = hWnd;
|
|
#undef lpIS
|
|
break;
|
|
case WM_COMPAREITEM:
|
|
#define lpIS ((LPCOMPAREITEMSTRUCT)lParam)
|
|
lpIS->hwndItem = hWnd;
|
|
#undef lpIS
|
|
break;
|
|
}
|
|
|
|
return SendMessageA( lphc->owner, msg, lphc->self->wIDmenu, lParam );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* COMBO_GetText
|
|
*/
|
|
static LRESULT COMBO_GetText( LPHEADCOMBO lphc, UINT N, LPSTR lpText)
|
|
{
|
|
if( lphc->wState & CBF_EDIT )
|
|
return SendMessageA( lphc->hWndEdit, WM_GETTEXT,
|
|
(WPARAM)N, (LPARAM)lpText );
|
|
|
|
/* get it from the listbox */
|
|
|
|
if( lphc->hWndLBox )
|
|
{
|
|
INT idx = SendMessageA( lphc->hWndLBox, LB_GETCURSEL, 0, 0 );
|
|
if( idx != LB_ERR )
|
|
{
|
|
LPSTR lpBuffer;
|
|
INT length = SendMessageA( lphc->hWndLBox, LB_GETTEXTLEN,
|
|
(WPARAM)idx, 0 );
|
|
|
|
/* 'length' is without the terminating character */
|
|
if( length >= N )
|
|
lpBuffer = (LPSTR) HeapAlloc( GetProcessHeap(), 0, length + 1 );
|
|
else
|
|
lpBuffer = lpText;
|
|
|
|
if( lpBuffer )
|
|
{
|
|
INT n = SendMessageA( lphc->hWndLBox, LB_GETTEXT,
|
|
(WPARAM)idx, (LPARAM)lpBuffer );
|
|
|
|
/* truncate if buffer is too short */
|
|
|
|
if( length >= N )
|
|
{
|
|
if (N && lpText) {
|
|
if( n != LB_ERR ) memcpy( lpText, lpBuffer, (N>n) ? n+1 : N-1 );
|
|
lpText[N - 1] = '\0';
|
|
}
|
|
HeapFree( GetProcessHeap(), 0, lpBuffer );
|
|
}
|
|
return (LRESULT)n;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CBResetPos
|
|
*
|
|
* This function sets window positions according to the updated
|
|
* component placement struct.
|
|
*/
|
|
static void CBResetPos( LPHEADCOMBO lphc, LPRECT lbRect, BOOL bRedraw )
|
|
{
|
|
BOOL bDrop = (CB_GETTYPE(lphc) != CBS_SIMPLE);
|
|
|
|
/* NOTE: logs sometimes have WM_LBUTTONUP before a cascade of
|
|
* sizing messages */
|
|
|
|
if( lphc->wState & CBF_EDIT )
|
|
SetWindowPos( lphc->hWndEdit, 0, lphc->RectEdit.left, lphc->RectEdit.top,
|
|
lphc->RectEdit.right - lphc->RectEdit.left,
|
|
lphc->RectEdit.bottom - lphc->RectEdit.top,
|
|
SWP_NOZORDER | SWP_NOACTIVATE | ((bDrop) ? SWP_NOREDRAW : 0) );
|
|
|
|
if( bDrop )
|
|
OffsetRect( lbRect, lphc->RectCombo.left, lphc->RectCombo.top );
|
|
|
|
lbRect->right -= lbRect->left; /* convert to width */
|
|
lbRect->bottom -= lbRect->top;
|
|
SetWindowPos( lphc->hWndLBox, 0, lbRect->left, lbRect->top,
|
|
lbRect->right, lbRect->bottom,
|
|
SWP_NOACTIVATE | SWP_NOZORDER | ((bDrop) ? SWP_NOREDRAW : 0) );
|
|
|
|
if( bDrop )
|
|
{
|
|
if( lphc->wState & CBF_DROPPED )
|
|
{
|
|
lphc->wState &= ~CBF_DROPPED;
|
|
ShowWindow( lphc->hWndLBox, SW_HIDE );
|
|
}
|
|
|
|
lphc->wState |= CBF_NORESIZE;
|
|
SetWindowPos( lphc->self->hwndSelf, 0, 0, 0,
|
|
lphc->RectCombo.right - lphc->RectCombo.left,
|
|
lphc->RectEdit.bottom - lphc->RectEdit.top,
|
|
SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW );
|
|
lphc->wState &= ~CBF_NORESIZE;
|
|
|
|
if( bRedraw && !(lphc->wState & CBF_NOREDRAW) )
|
|
RedrawWindow( lphc->self->hwndSelf, NULL, 0,
|
|
RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW );
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* COMBO_Size
|
|
*/
|
|
static void COMBO_Size( LPHEADCOMBO lphc )
|
|
{
|
|
RECT rect;
|
|
INT w, h;
|
|
|
|
GetWindowRect( lphc->self->hwndSelf, &rect );
|
|
w = rect.right - rect.left; h = rect.bottom - rect.top;
|
|
|
|
TRACE(combo,"w = %i, h = %i\n", w, h );
|
|
|
|
/* CreateWindow() may send a bogus WM_SIZE, ignore it */
|
|
|
|
if( w == (lphc->RectCombo.right - lphc->RectCombo.left) )
|
|
{
|
|
if( (CB_GETTYPE(lphc) == CBS_SIMPLE) &&
|
|
(h == (lphc->RectCombo.bottom - lphc->RectCombo.top)) )
|
|
return;
|
|
else if( (lphc->dwStyle & CBS_DROPDOWN) &&
|
|
(h == (lphc->RectEdit.bottom - lphc->RectEdit.top)) )
|
|
return;
|
|
}
|
|
lphc->RectCombo = rect;
|
|
CBCalcPlacement( lphc, &lphc->RectEdit, &lphc->RectButton, &rect );
|
|
CBResetPos( lphc, &rect, TRUE );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* COMBO_Font
|
|
*/
|
|
static void COMBO_Font( LPHEADCOMBO lphc, HFONT hFont, BOOL bRedraw )
|
|
{
|
|
RECT rect;
|
|
|
|
lphc->hFont = hFont;
|
|
|
|
if( lphc->wState & CBF_EDIT )
|
|
SendMessageA( lphc->hWndEdit, WM_SETFONT, (WPARAM)hFont, bRedraw );
|
|
SendMessageA( lphc->hWndLBox, WM_SETFONT, (WPARAM)hFont, bRedraw );
|
|
|
|
GetWindowRect( lphc->self->hwndSelf, &rect );
|
|
OffsetRect( &lphc->RectCombo, rect.left - lphc->RectCombo.left,
|
|
rect.top - lphc->RectCombo.top );
|
|
CBCalcPlacement( lphc, &lphc->RectEdit,
|
|
&lphc->RectButton, &rect );
|
|
CBResetPos( lphc, &rect, bRedraw );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* COMBO_SetItemHeight
|
|
*/
|
|
static LRESULT COMBO_SetItemHeight( LPHEADCOMBO lphc, INT index, INT height )
|
|
{
|
|
LRESULT lRet = CB_ERR;
|
|
|
|
if( index == -1 ) /* set text field height */
|
|
{
|
|
if( height < 32768 )
|
|
{
|
|
RECT rect;
|
|
|
|
lphc->editHeight = height;
|
|
GetWindowRect( lphc->self->hwndSelf, &rect );
|
|
OffsetRect( &lphc->RectCombo, rect.left - lphc->RectCombo.left,
|
|
rect.top - lphc->RectCombo.top );
|
|
CBCalcPlacement( lphc, &lphc->RectEdit,
|
|
&lphc->RectButton, &rect );
|
|
CBResetPos( lphc, &rect, TRUE );
|
|
lRet = height;
|
|
}
|
|
}
|
|
else if ( CB_OWNERDRAWN(lphc) ) /* set listbox item height */
|
|
lRet = SendMessageA( lphc->hWndLBox, LB_SETITEMHEIGHT,
|
|
(WPARAM)index, (LPARAM)height );
|
|
return lRet;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* COMBO_SelectString
|
|
*/
|
|
static LRESULT COMBO_SelectString( LPHEADCOMBO lphc, INT start, LPCSTR pText )
|
|
{
|
|
INT index = SendMessageA( lphc->hWndLBox, LB_SELECTSTRING,
|
|
(WPARAM)start, (LPARAM)pText );
|
|
if( index >= 0 )
|
|
{
|
|
if( lphc->wState & CBF_EDIT )
|
|
CBUpdateEdit( lphc, index );
|
|
else
|
|
CBPaintText( lphc, 0 );
|
|
}
|
|
return (LRESULT)index;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* COMBO_LButtonDown
|
|
*/
|
|
static void COMBO_LButtonDown( LPHEADCOMBO lphc, LPARAM lParam )
|
|
{
|
|
POINT pt = { LOWORD(lParam), HIWORD(lParam) };
|
|
BOOL bButton = PtInRect(&lphc->RectButton, pt);
|
|
HWND hWnd = lphc->self->hwndSelf;
|
|
|
|
if( (CB_GETTYPE(lphc) == CBS_DROPDOWNLIST) ||
|
|
(bButton && (CB_GETTYPE(lphc) == CBS_DROPDOWN)) )
|
|
{
|
|
lphc->wState |= CBF_BUTTONDOWN;
|
|
if( lphc->wState & CBF_DROPPED )
|
|
{
|
|
/* got a click to cancel selection */
|
|
|
|
lphc->wState &= ~CBF_BUTTONDOWN;
|
|
CBRollUp( lphc, TRUE, FALSE );
|
|
if( !IsWindow( hWnd ) ) return;
|
|
|
|
if( lphc->wState & CBF_CAPTURE )
|
|
{
|
|
lphc->wState &= ~CBF_CAPTURE;
|
|
ReleaseCapture();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* drop down the listbox and start tracking */
|
|
|
|
lphc->wState |= CBF_CAPTURE;
|
|
CBDropDown( lphc );
|
|
SetCapture( hWnd );
|
|
}
|
|
if( bButton ) CBRepaintButton( lphc );
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* COMBO_LButtonUp
|
|
*
|
|
* Release capture and stop tracking if needed.
|
|
*/
|
|
static void COMBO_LButtonUp( LPHEADCOMBO lphc, LPARAM lParam )
|
|
{
|
|
if( lphc->wState & CBF_CAPTURE )
|
|
{
|
|
lphc->wState &= ~CBF_CAPTURE;
|
|
if( CB_GETTYPE(lphc) == CBS_DROPDOWN )
|
|
{
|
|
INT index = CBUpdateLBox( lphc );
|
|
CBUpdateEdit( lphc, index );
|
|
}
|
|
ReleaseCapture();
|
|
}
|
|
|
|
if( lphc->wState & CBF_BUTTONDOWN )
|
|
{
|
|
lphc->wState &= ~CBF_BUTTONDOWN;
|
|
CBRepaintButton( lphc );
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* COMBO_MouseMove
|
|
*
|
|
* Two things to do - track combo button and release capture when
|
|
* pointer goes into the listbox.
|
|
*/
|
|
static void COMBO_MouseMove( LPHEADCOMBO lphc, WPARAM wParam, LPARAM lParam )
|
|
{
|
|
POINT pt = { LOWORD(lParam), HIWORD(lParam) };
|
|
RECT lbRect;
|
|
|
|
if( lphc->wState & CBF_BUTTONDOWN )
|
|
{
|
|
BOOL bButton = PtInRect(&lphc->RectButton, pt);
|
|
|
|
if( !bButton )
|
|
{
|
|
lphc->wState &= ~CBF_BUTTONDOWN;
|
|
CBRepaintButton( lphc );
|
|
}
|
|
}
|
|
|
|
GetClientRect( lphc->hWndLBox, &lbRect );
|
|
MapWindowPoints( lphc->self->hwndSelf, lphc->hWndLBox, &pt, 1 );
|
|
if( PtInRect(&lbRect, pt) )
|
|
{
|
|
lphc->wState &= ~CBF_CAPTURE;
|
|
ReleaseCapture();
|
|
if( CB_GETTYPE(lphc) == CBS_DROPDOWN ) CBUpdateLBox( lphc );
|
|
|
|
/* hand over pointer tracking */
|
|
SendMessageA( lphc->hWndLBox, WM_LBUTTONDOWN, wParam, lParam );
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ComboWndProc
|
|
*
|
|
* http://www.microsoft.com/msdn/sdk/platforms/doc/sdk/win32/ctrl/src/combobox_15.htm
|
|
*/
|
|
LRESULT WINAPI ComboWndProc( HWND hwnd, UINT message,
|
|
WPARAM wParam, LPARAM lParam )
|
|
{
|
|
LRESULT retvalue;
|
|
WND* pWnd = WIN_FindWndPtr(hwnd);
|
|
|
|
if( pWnd )
|
|
{
|
|
LPHEADCOMBO lphc = CB_GETPTR(pWnd);
|
|
|
|
TRACE(combo, "[%04x]: msg %s wp %08x lp %08lx\n",
|
|
pWnd->hwndSelf, SPY_GetMsgName(message), wParam, lParam );
|
|
|
|
if( lphc || message == WM_NCCREATE )
|
|
switch(message)
|
|
{
|
|
|
|
/* System messages */
|
|
|
|
case WM_NCCREATE:
|
|
retvalue = COMBO_NCCreate(pWnd, lParam);
|
|
goto END;
|
|
case WM_NCDESTROY:
|
|
COMBO_NCDestroy(lphc);
|
|
break;
|
|
|
|
case WM_CREATE:
|
|
retvalue = COMBO_Create(lphc, pWnd, lParam);
|
|
goto END;
|
|
|
|
case WM_PAINT:
|
|
/* wParam may contain a valid HDC! */
|
|
retvalue = COMBO_Paint(lphc, wParam);
|
|
goto END;
|
|
case WM_ERASEBKGND:
|
|
retvalue = TRUE;
|
|
goto END;
|
|
case WM_GETDLGCODE:
|
|
retvalue = (LRESULT)(DLGC_WANTARROWS | DLGC_WANTCHARS);
|
|
goto END;
|
|
case WM_SIZE:
|
|
if( lphc->hWndLBox &&
|
|
!(lphc->wState & CBF_NORESIZE) ) COMBO_Size( lphc );
|
|
retvalue = TRUE;
|
|
goto END;
|
|
case WM_SETFONT:
|
|
COMBO_Font( lphc, (HFONT16)wParam, (BOOL)lParam );
|
|
retvalue = TRUE;
|
|
goto END;
|
|
case WM_GETFONT:
|
|
retvalue = (LRESULT)lphc->hFont;
|
|
goto END;
|
|
case WM_SETFOCUS:
|
|
if( lphc->wState & CBF_EDIT )
|
|
SetFocus( lphc->hWndEdit );
|
|
else
|
|
COMBO_SetFocus( lphc );
|
|
retvalue = TRUE;
|
|
goto END;
|
|
case WM_KILLFOCUS:
|
|
#define hwndFocus ((HWND16)wParam)
|
|
if( !hwndFocus ||
|
|
(hwndFocus != lphc->hWndEdit && hwndFocus != lphc->hWndLBox ))
|
|
COMBO_KillFocus( lphc );
|
|
#undef hwndFocus
|
|
retvalue = TRUE;
|
|
goto END;
|
|
case WM_COMMAND:
|
|
retvalue = COMBO_Command( lphc, wParam, (HWND)lParam );
|
|
goto END;
|
|
case WM_GETTEXT:
|
|
retvalue = COMBO_GetText( lphc, (UINT)wParam, (LPSTR)lParam );
|
|
goto END;
|
|
case WM_SETTEXT:
|
|
case WM_GETTEXTLENGTH:
|
|
case WM_CLEAR:
|
|
case WM_CUT:
|
|
case WM_PASTE:
|
|
case WM_COPY:
|
|
if( lphc->wState & CBF_EDIT )
|
|
{
|
|
retvalue = SendMessageA( lphc->hWndEdit, message, wParam, lParam );
|
|
goto END;
|
|
}
|
|
retvalue = CB_ERR;
|
|
goto END;
|
|
case WM_DRAWITEM:
|
|
case WM_DELETEITEM:
|
|
case WM_COMPAREITEM:
|
|
case WM_MEASUREITEM:
|
|
retvalue = COMBO_ItemOp( lphc, message, wParam, lParam );
|
|
goto END;
|
|
case WM_ENABLE:
|
|
if( lphc->wState & CBF_EDIT )
|
|
EnableWindow( lphc->hWndEdit, (BOOL)wParam );
|
|
EnableWindow( lphc->hWndLBox, (BOOL)wParam );
|
|
retvalue = TRUE;
|
|
goto END;
|
|
case WM_SETREDRAW:
|
|
if( wParam )
|
|
lphc->wState &= ~CBF_NOREDRAW;
|
|
else
|
|
lphc->wState |= CBF_NOREDRAW;
|
|
|
|
if( lphc->wState & CBF_EDIT )
|
|
SendMessageA( lphc->hWndEdit, message, wParam, lParam );
|
|
SendMessageA( lphc->hWndLBox, message, wParam, lParam );
|
|
retvalue = 0;
|
|
goto END;
|
|
case WM_SYSKEYDOWN:
|
|
if( KEYDATA_ALT & HIWORD(lParam) )
|
|
if( wParam == VK_UP || wParam == VK_DOWN )
|
|
COMBO_FlipListbox( lphc, TRUE );
|
|
break;
|
|
|
|
case WM_CHAR:
|
|
case WM_KEYDOWN:
|
|
if( lphc->wState & CBF_EDIT )
|
|
retvalue = SendMessageA( lphc->hWndEdit, message, wParam, lParam );
|
|
else
|
|
retvalue = SendMessageA( lphc->hWndLBox, message, wParam, lParam );
|
|
|
|
case WM_LBUTTONDOWN:
|
|
if( !(lphc->wState & CBF_FOCUSED) ) SetFocus( lphc->self->hwndSelf );
|
|
if( lphc->wState & CBF_FOCUSED ) COMBO_LButtonDown( lphc, lParam );
|
|
retvalue = TRUE;
|
|
goto END;
|
|
case WM_LBUTTONUP:
|
|
COMBO_LButtonUp( lphc, lParam );
|
|
retvalue = TRUE;
|
|
goto END;
|
|
case WM_MOUSEMOVE:
|
|
if( lphc->wState & CBF_CAPTURE )
|
|
COMBO_MouseMove( lphc, wParam, lParam );
|
|
retvalue = TRUE;
|
|
goto END;
|
|
/* Combo messages */
|
|
|
|
case CB_ADDSTRING16:
|
|
if( CB_HASSTRINGS(lphc) ) lParam = (LPARAM)PTR_SEG_TO_LIN(lParam);
|
|
case CB_ADDSTRING:
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_ADDSTRING, 0, lParam);
|
|
goto END;
|
|
case CB_INSERTSTRING16:
|
|
wParam = (INT)(INT16)wParam;
|
|
if( CB_HASSTRINGS(lphc) ) lParam = (LPARAM)PTR_SEG_TO_LIN(lParam);
|
|
case CB_INSERTSTRING:
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_INSERTSTRING, wParam, lParam);
|
|
goto END;
|
|
case CB_DELETESTRING16:
|
|
case CB_DELETESTRING:
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_DELETESTRING, wParam, 0);
|
|
goto END;
|
|
case CB_SELECTSTRING16:
|
|
wParam = (INT)(INT16)wParam;
|
|
if( CB_HASSTRINGS(lphc) ) lParam = (LPARAM)PTR_SEG_TO_LIN(lParam);
|
|
case CB_SELECTSTRING:
|
|
retvalue = COMBO_SelectString( lphc, (INT)wParam, (LPSTR)lParam );
|
|
goto END;
|
|
case CB_FINDSTRING16:
|
|
wParam = (INT)(INT16)wParam;
|
|
if( CB_HASSTRINGS(lphc) ) lParam = (LPARAM)PTR_SEG_TO_LIN(lParam);
|
|
case CB_FINDSTRING:
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_FINDSTRING, wParam, lParam);
|
|
goto END;
|
|
case CB_FINDSTRINGEXACT16:
|
|
wParam = (INT)(INT16)wParam;
|
|
if( CB_HASSTRINGS(lphc) ) lParam = (LPARAM)PTR_SEG_TO_LIN(lParam);
|
|
case CB_FINDSTRINGEXACT:
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_FINDSTRINGEXACT,
|
|
wParam, lParam );
|
|
goto END;
|
|
case CB_SETITEMHEIGHT16:
|
|
wParam = (INT)(INT16)wParam; /* signed integer */
|
|
case CB_SETITEMHEIGHT:
|
|
retvalue = COMBO_SetItemHeight( lphc, (INT)wParam, (INT)lParam);
|
|
goto END;
|
|
case CB_GETITEMHEIGHT16:
|
|
wParam = (INT)(INT16)wParam;
|
|
case CB_GETITEMHEIGHT:
|
|
if( (INT)wParam >= 0 ) /* listbox item */
|
|
{
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_GETITEMHEIGHT, wParam, 0);
|
|
goto END;
|
|
}
|
|
retvalue = (lphc->RectEdit.bottom - lphc->RectEdit.top);
|
|
goto END;
|
|
case CB_RESETCONTENT16:
|
|
case CB_RESETCONTENT:
|
|
SendMessageA( lphc->hWndLBox, LB_RESETCONTENT, 0, 0 );
|
|
CBPaintText( lphc, 0 );
|
|
retvalue = TRUE;
|
|
goto END;
|
|
case CB_INITSTORAGE:
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_INITSTORAGE, wParam, lParam);
|
|
goto END;
|
|
case CB_GETHORIZONTALEXTENT:
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_GETHORIZONTALEXTENT, 0, 0);
|
|
goto END;
|
|
case CB_SETHORIZONTALEXTENT:
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_SETHORIZONTALEXTENT, wParam, 0);
|
|
goto END;
|
|
case CB_GETTOPINDEX:
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_GETTOPINDEX, 0, 0);
|
|
goto END;
|
|
case CB_GETLOCALE:
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_GETLOCALE, 0, 0);
|
|
goto END;
|
|
case CB_SETLOCALE:
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_SETLOCALE, wParam, 0);
|
|
goto END;
|
|
case CB_GETDROPPEDWIDTH:
|
|
if( lphc->droppedWidth )
|
|
{
|
|
retvalue = lphc->droppedWidth;
|
|
goto END;
|
|
}
|
|
retvalue = lphc->RectCombo.right - lphc->RectCombo.left -
|
|
(lphc->wState & CBF_EDIT) ? CBitOffset : 0;
|
|
goto END;
|
|
case CB_SETDROPPEDWIDTH:
|
|
if( (CB_GETTYPE(lphc) != CBS_SIMPLE) &&
|
|
(INT)wParam < 32768 ) lphc->droppedWidth = (INT)wParam;
|
|
retvalue = CB_ERR;
|
|
goto END;
|
|
case CB_GETDROPPEDCONTROLRECT16:
|
|
lParam = (LPARAM)PTR_SEG_TO_LIN(lParam);
|
|
if( lParam )
|
|
{
|
|
RECT r;
|
|
CBGetDroppedControlRect( lphc, &r );
|
|
CONV_RECT32TO16( &r, (LPRECT16)lParam );
|
|
}
|
|
retvalue = CB_OKAY;
|
|
goto END;
|
|
case CB_GETDROPPEDCONTROLRECT:
|
|
if( lParam ) CBGetDroppedControlRect(lphc, (LPRECT)lParam );
|
|
retvalue = CB_OKAY;
|
|
goto END;
|
|
case CB_GETDROPPEDSTATE16:
|
|
case CB_GETDROPPEDSTATE:
|
|
retvalue = (lphc->wState & CBF_DROPPED) ? TRUE : FALSE;
|
|
goto END;
|
|
case CB_DIR16:
|
|
lParam = (LPARAM)PTR_SEG_TO_LIN(lParam);
|
|
/* fall through */
|
|
case CB_DIR:
|
|
retvalue = COMBO_Directory( lphc, (UINT)wParam,
|
|
(LPSTR)lParam, (message == CB_DIR));
|
|
goto END;
|
|
case CB_SHOWDROPDOWN16:
|
|
case CB_SHOWDROPDOWN:
|
|
if( CB_GETTYPE(lphc) != CBS_SIMPLE )
|
|
{
|
|
if( wParam )
|
|
{
|
|
if( !(lphc->wState & CBF_DROPPED) )
|
|
CBDropDown( lphc );
|
|
}
|
|
else
|
|
if( lphc->wState & CBF_DROPPED )
|
|
CBRollUp( lphc, FALSE, TRUE );
|
|
}
|
|
retvalue = TRUE;
|
|
goto END;
|
|
case CB_GETCOUNT16:
|
|
case CB_GETCOUNT:
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_GETCOUNT, 0, 0);
|
|
goto END;
|
|
case CB_GETCURSEL16:
|
|
case CB_GETCURSEL:
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_GETCURSEL, 0, 0);
|
|
goto END;
|
|
case CB_SETCURSEL16:
|
|
wParam = (INT)(INT16)wParam;
|
|
case CB_SETCURSEL:
|
|
lParam = SendMessageA( lphc->hWndLBox, LB_SETCURSEL, wParam, 0);
|
|
if( lphc->wState & CBF_SELCHANGE )
|
|
{
|
|
/* no LBN_SELCHANGE in this case, update manually */
|
|
|
|
CBPaintText( lphc, 0 );
|
|
lphc->wState &= ~CBF_SELCHANGE;
|
|
}
|
|
retvalue = lParam;
|
|
goto END;
|
|
case CB_GETLBTEXT16:
|
|
wParam = (INT)(INT16)wParam;
|
|
lParam = (LPARAM)PTR_SEG_TO_LIN(lParam);
|
|
case CB_GETLBTEXT:
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_GETTEXT, wParam, lParam);
|
|
goto END;
|
|
case CB_GETLBTEXTLEN16:
|
|
wParam = (INT)(INT16)wParam;
|
|
case CB_GETLBTEXTLEN:
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_GETTEXTLEN, wParam, 0);
|
|
goto END;
|
|
case CB_GETITEMDATA16:
|
|
wParam = (INT)(INT16)wParam;
|
|
case CB_GETITEMDATA:
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_GETITEMDATA, wParam, 0);
|
|
goto END;
|
|
case CB_SETITEMDATA16:
|
|
wParam = (INT)(INT16)wParam;
|
|
case CB_SETITEMDATA:
|
|
retvalue = SendMessageA( lphc->hWndLBox, LB_SETITEMDATA, wParam, lParam);
|
|
goto END;
|
|
case CB_GETEDITSEL16:
|
|
wParam = lParam = 0; /* just in case */
|
|
case CB_GETEDITSEL:
|
|
if( lphc->wState & CBF_EDIT )
|
|
{
|
|
INT a, b;
|
|
|
|
retvalue = SendMessageA( lphc->hWndEdit, EM_GETSEL,
|
|
(wParam) ? wParam : (WPARAM)&a,
|
|
(lParam) ? lParam : (LPARAM)&b );
|
|
goto END;
|
|
}
|
|
retvalue = CB_ERR;
|
|
goto END;
|
|
case CB_SETEDITSEL16:
|
|
case CB_SETEDITSEL:
|
|
if( lphc->wState & CBF_EDIT )
|
|
{
|
|
retvalue = SendMessageA( lphc->hWndEdit, EM_SETSEL,
|
|
(INT)(INT16)LOWORD(lParam), (INT)(INT16)HIWORD(lParam) );
|
|
goto END;
|
|
}
|
|
retvalue = CB_ERR;
|
|
goto END;
|
|
case CB_SETEXTENDEDUI16:
|
|
case CB_SETEXTENDEDUI:
|
|
if( CB_GETTYPE(lphc) == CBS_SIMPLE )
|
|
{
|
|
retvalue = CB_ERR;
|
|
goto END;
|
|
}
|
|
if( wParam )
|
|
lphc->wState |= CBF_EUI;
|
|
else lphc->wState &= ~CBF_EUI;
|
|
retvalue = CB_OKAY;
|
|
goto END;
|
|
case CB_GETEXTENDEDUI16:
|
|
case CB_GETEXTENDEDUI:
|
|
retvalue = (lphc->wState & CBF_EUI) ? TRUE : FALSE;
|
|
goto END;
|
|
case (WM_USER + 0x1B):
|
|
WARN(combo, "[%04x]: undocumented msg!\n", hwnd );
|
|
}
|
|
retvalue = DefWindowProcA(hwnd, message, wParam, lParam);
|
|
goto END;
|
|
}
|
|
retvalue = CB_ERR;
|
|
END:
|
|
WIN_ReleaseWndPtr(pWnd);
|
|
return retvalue;
|
|
}
|
|
|