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Sweden-Number/controls/combo.c

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/*
* Combo controls
*
* Copyright 1993 Martin Ayotte
* Copyright 1995 Bernd Schmidt
* Copyright 1996 Albrecht Kleine [some fixes]
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "windows.h"
#include "sysmetrics.h"
#include "win.h"
#include "combo.h"
#include "user.h"
#include "graphics.h"
#include "heap.h"
#include "listbox.h"
#include "dos_fs.h"
#include "drive.h"
#include "stddebug.h"
#include "debug.h"
#include "xmalloc.h"
/*
* Note: Combos are probably implemented in a different way by Windows.
* Using a message spy for Windows, you can see some undocumented
* messages being passed between ComboBox and ComboLBox.
* I hope no programs rely on the implementation of combos.
*/
#define ID_EDIT 1
#define ID_CLB 2
#define CBLMM_EDGE 4 /* distance inside box which is same as moving mouse
outside box, to trigger scrolling of CBL */
static BOOL CBCheckSize(HWND hwnd);
static BOOL CBLCheckSize(HWND hwnd);
static HBITMAP16 hComboBit = 0;
static WORD CBitHeight, CBitWidth;
static int COMBO_Init()
{
BITMAP16 bm;
dprintf_combo(stddeb, "COMBO_Init\n");
hComboBit = LoadBitmap16(0, MAKEINTRESOURCE(OBM_COMBO));
GetObject16( hComboBit, sizeof(bm), &bm );
CBitHeight = bm.bmHeight;
CBitWidth = bm.bmWidth;
return 0;
}
LPHEADCOMBO ComboGetStorageHeader(HWND hwnd)
{
return (LPHEADCOMBO)GetWindowLong32A(hwnd,4);
}
LPHEADLIST ComboGetListHeader(HWND hwnd)
{
return (LPHEADLIST)GetWindowLong32A(hwnd,0);
}
int CreateComboStruct(HWND hwnd, LONG style)
{
LPHEADCOMBO lphc;
lphc = (LPHEADCOMBO)xmalloc(sizeof(HEADCOMBO));
SetWindowLong32A(hwnd,4,(LONG)lphc);
lphc->hWndEdit = 0;
lphc->hWndLBox = 0;
lphc->dwState = 0;
lphc->LastSel = -1;
lphc->dwStyle = style;
lphc->DropDownVisible = FALSE;
return TRUE;
}
void ComboUpdateWindow(HWND hwnd, LPHEADLIST lphl, LPHEADCOMBO lphc, BOOL repaint)
{
WND *wndPtr = WIN_FindWndPtr(hwnd);
if (wndPtr->dwStyle & WS_VSCROLL)
SetScrollRange32(lphc->hWndLBox,SB_VERT,0,ListMaxFirstVisible(lphl),TRUE);
if (repaint && lphl->bRedrawFlag) InvalidateRect32( hwnd, NULL, TRUE );
}
/***********************************************************************
* CBNCCreate
*/
static LRESULT CBNCCreate(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
CREATESTRUCT16 *createStruct;
if (!hComboBit) COMBO_Init();
createStruct = (CREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam);
createStruct->style |= WS_BORDER;
SetWindowLong32A(hwnd, GWL_STYLE, createStruct->style);
dprintf_combo(stddeb,"ComboBox WM_NCCREATE!\n");
return DefWindowProc16(hwnd, WM_NCCREATE, wParam, lParam);
}
/***********************************************************************
* CBCreate
*/
static LRESULT CBCreate(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl;
LPHEADCOMBO lphc;
LONG style = 0;
LONG cstyle = GetWindowLong32A(hwnd,GWL_STYLE);
RECT16 rect,lboxrect;
WND* wndPtr = WIN_FindWndPtr(hwnd);
char className[] = "COMBOLBOX"; /* Hack so that class names are > 0x10000 */
char editName[] = "EDIT";
HWND hwndp=0;
/* translate combo into listbox styles */
cstyle |= WS_BORDER;
if (cstyle & CBS_OWNERDRAWFIXED) style |= LBS_OWNERDRAWFIXED;
if (cstyle & CBS_OWNERDRAWVARIABLE) style |= LBS_OWNERDRAWVARIABLE;
if (cstyle & CBS_SORT) style |= LBS_SORT;
if (cstyle & CBS_HASSTRINGS) style |= LBS_HASSTRINGS;
style |= LBS_NOTIFY;
CreateListBoxStruct(hwnd, ODT_COMBOBOX, style, GetParent16(hwnd));
CreateComboStruct(hwnd,cstyle);
lphl = ComboGetListHeader(hwnd);
lphc = ComboGetStorageHeader(hwnd);
GetClientRect16(hwnd,&rect);
lphc->LBoxTop = lphl->StdItemHeight;
switch(cstyle & 3)
{
case CBS_SIMPLE: /* edit control, list always visible */
lboxrect=rect;
dprintf_combo(stddeb,"CBS_SIMPLE\n");
style= WS_BORDER | WS_CHILD | WS_VISIBLE | WS_VSCROLL;
SetRectEmpty16(&lphc->RectButton);
hwndp=hwnd;
break;
case CBS_DROPDOWNLIST: /* static control, dropdown listbox */
case CBS_DROPDOWN: /* edit control, dropdown listbox */
GetWindowRect16(hwnd,&lboxrect);
style = WS_POPUP | WS_BORDER | WS_VSCROLL;
/* FIXME: WinSight says these should be CHILD windows with the TOPMOST flag
* set. Wine doesn't support TOPMOST, and simply setting the WS_CHILD
* flag doesn't work. */
lphc->RectButton = rect;
lphc->RectButton.left = lphc->RectButton.right - 6 - CBitWidth;
lphc->RectButton.bottom = lphc->RectButton.top + lphl->StdItemHeight;
SetWindowPos(hwnd, 0, 0, 0, rect.right -rect.left + 2*SYSMETRICS_CXBORDER,
lphl->StdItemHeight + 2*SYSMETRICS_CYBORDER,
SWP_NOMOVE | SWP_NOZORDER | SWP_NOSENDCHANGING | SWP_NOACTIVATE);
dprintf_combo(stddeb,(cstyle & 3)==CBS_DROPDOWN ? "CBS_DROPDOWN\n": "CBS_DROPDOWNLIST\n");
break;
default: fprintf(stderr,"COMBOBOX error: bad class style!\n");
return 0;
}
if ((cstyle & 3) != CBS_DROPDOWNLIST)
lphc->hWndEdit = CreateWindow16( editName, NULL,
WS_CHILD | WS_CLIPCHILDREN | WS_VISIBLE | ES_LEFT,
0, 0, rect.right-6-CBitWidth,
lphl->StdItemHeight+2*SYSMETRICS_CYBORDER,
hwnd, (HMENU16)ID_EDIT, WIN_GetWindowInstance(hwnd), NULL );
lboxrect.top+=lphc->LBoxTop;
lphc->hWndLBox = CreateWindow16( className, NULL, style |
((cstyle & WS_HSCROLL)? WS_HSCROLL : 0) |
((cstyle & WS_VSCROLL)? WS_VSCROLL : 0),
lboxrect.left, lboxrect.top,
lboxrect.right - lboxrect.left,
lboxrect.bottom - lboxrect.top,
hwndp,(HMENU16)ID_CLB, WIN_GetWindowInstance(hwnd),
(LPVOID)(HWND32)hwnd );
wndPtr->dwStyle &= ~(WS_VSCROLL | WS_HSCROLL);
dprintf_combo( stddeb, "Combo Creation hwnd=%04x LBox=%04x Edit=%04x\n",
hwnd, lphc->hWndLBox, lphc->hWndEdit);
dprintf_combo( stddeb, " lbox %d,%d-%d,%d button %d,%d-%d,%d\n",
lboxrect.left, lboxrect.top, lboxrect.right, lboxrect.bottom,
lphc->RectButton.left, lphc->RectButton.top,
lphc->RectButton.right, lphc->RectButton.bottom );
dprintf_combo( stddeb, " client %d,%d-%d,%d window %d,%d-%d,%d\n",
wndPtr->rectClient.left, wndPtr->rectClient.top,
wndPtr->rectClient.right, wndPtr->rectClient.bottom,
wndPtr->rectWindow.left, wndPtr->rectWindow.top,
wndPtr->rectWindow.right, wndPtr->rectWindow.bottom );
return 0;
}
/***********************************************************************
* CBDestroy
*/
static LRESULT CBDestroy(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADCOMBO lphc = ComboGetStorageHeader(hwnd);
if (lphc->hWndEdit) DestroyWindow( lphc->hWndEdit );
if (lphc->hWndLBox) DestroyWindow( lphc->hWndLBox );
return 0;
}
/***********************************************************************
* CBPaint
*/
static LRESULT CBPaint(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
LPHEADCOMBO lphc = ComboGetStorageHeader(hwnd);
LPLISTSTRUCT lpls;
PAINTSTRUCT16 ps;
HBRUSH32 hBrush;
HFONT32 hOldFont;
HDC16 hdc;
RECT16 rect;
hdc = BeginPaint16(hwnd, &ps);
GetClientRect16(hwnd, &rect);
CBCheckSize(hwnd);
/* 1 for button border */
rect.right = lphc->RectButton.left - 1;
if (hComboBit != 0 && !IsRectEmpty16(&lphc->RectButton))
{
Rectangle32(hdc,lphc->RectButton.left-1,lphc->RectButton.top-1,
lphc->RectButton.right+1,lphc->RectButton.bottom+1);
{
RECT32 r;
CONV_RECT16TO32( &lphc->RectButton, &r );
GRAPH_DrawReliefRect(hdc, &r, 2, 2, FALSE);
}
GRAPH_DrawBitmap(hdc, hComboBit,
lphc->RectButton.left + 2,lphc->RectButton.top + 2,
0, 0, CBitWidth, CBitHeight );
}
if (!IsWindowVisible(hwnd) || !lphl->bRedrawFlag
|| (lphc->dwStyle & 3) != CBS_DROPDOWNLIST)
{
/* we don't want to draw an entry when there is an edit control */
EndPaint16(hwnd, &ps);
return 0;
}
hOldFont = SelectObject32(hdc, lphl->hFont);
hBrush = SendMessage32A( lphl->hParent, WM_CTLCOLORLISTBOX, hdc, hwnd );
if (hBrush == 0) hBrush = GetStockObject32(WHITE_BRUSH);
lpls = ListBoxGetItem(lphl,lphl->ItemFocused);
if (lpls != NULL) {
FillRect16(hdc, &rect, hBrush);
ListBoxDrawItem (hwnd, lphl, hdc, lpls, &rect, ODA_DRAWENTIRE, 0);
if (GetFocus32() == hwnd)
ListBoxDrawItem (hwnd,lphl, hdc, lpls, &rect, ODA_FOCUS, ODS_FOCUS);
}
else FillRect16(hdc, &rect, hBrush);
SelectObject32(hdc,hOldFont);
EndPaint16(hwnd, &ps);
return 0;
}
/***********************************************************************
* CBGetDlgCode
*/
static LRESULT CBGetDlgCode(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
return DLGC_WANTARROWS | DLGC_WANTCHARS;
}
/***********************************************************************
* CBLButtonDown
*/
static LRESULT CBLButtonDown(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADCOMBO lphc = ComboGetStorageHeader(hwnd);
SendMessage16(hwnd,CB_SHOWDROPDOWN,!lphc->DropDownVisible,0);
return 0;
}
/***********************************************************************
* CBKeyDown
*/
static LRESULT CBKeyDown(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
WORD newFocused = lphl->ItemFocused;
switch(wParam) {
case VK_HOME:
newFocused = 0;
break;
case VK_END:
newFocused = lphl->ItemsCount - 1;
break;
case VK_UP:
if (newFocused > 0) newFocused--;
break;
case VK_DOWN:
newFocused++;
break;
default:
return 0;
}
if (newFocused >= lphl->ItemsCount)
newFocused = lphl->ItemsCount - 1;
ListBoxSetCurSel(lphl, newFocused);
SendMessage16(hwnd, WM_COMMAND,ID_CLB,MAKELONG(0,CBN_SELCHANGE));
ListBoxSendNotification(lphl, CBN_SELCHANGE);
lphl->ItemFocused = newFocused;
ListBoxScrollToFocus(lphl);
/* SetScrollPos(hwnd, SB_VERT, lphl->FirstVisible, TRUE);*/
InvalidateRect32( hwnd, NULL, TRUE );
return 0;
}
/***********************************************************************
* CBChar
*/
static LRESULT CBChar(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
WORD newFocused;
newFocused = ListBoxFindNextMatch(lphl, wParam);
if (newFocused == (WORD)LB_ERR) return 0;
if (newFocused >= lphl->ItemsCount)
newFocused = lphl->ItemsCount - 1;
ListBoxSetCurSel(lphl, newFocused);
SendMessage16(hwnd, WM_COMMAND,ID_CLB,MAKELONG(0,CBN_SELCHANGE));
ListBoxSendNotification(lphl, CBN_SELCHANGE);
lphl->ItemFocused = newFocused;
ListBoxScrollToFocus(lphl);
/* SetScrollPos(hwnd, SB_VERT, lphl->FirstVisible, TRUE);*/
InvalidateRect32( hwnd, NULL, TRUE );
return 0;
}
/***********************************************************************
* CBKillFocus
*/
static LRESULT CBKillFocus(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
return 0;
}
/***********************************************************************
* CBSetFocus
*/
static LRESULT CBSetFocus(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
return 0;
}
/***********************************************************************
* CBResetContent
*/
static LRESULT CBResetContent(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
LPHEADCOMBO lphc = ComboGetStorageHeader(hwnd);
ListBoxResetContent(lphl);
ComboUpdateWindow(hwnd, lphl, lphc, TRUE);
return 0;
}
/***********************************************************************
* CBDir
*/
static LRESULT CBDir(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
WORD wRet;
LPHEADLIST lphl = ComboGetListHeader(hwnd);
LPHEADCOMBO lphc = ComboGetStorageHeader(hwnd);
wRet = ListBoxDirectory(lphl, wParam, (LPSTR)PTR_SEG_TO_LIN(lParam));
ComboUpdateWindow(hwnd, lphl, lphc, TRUE);
return wRet;
}
/***********************************************************************
* CBInsertString
*/
static LRESULT CBInsertString(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
WORD wRet;
LPHEADLIST lphl = ComboGetListHeader(hwnd);
LPHEADCOMBO lphc = ComboGetStorageHeader(hwnd);
if (lphl->HasStrings)
wRet = ListBoxInsertString(lphl, wParam, (LPSTR)PTR_SEG_TO_LIN(lParam));
else
wRet = ListBoxInsertString(lphl, wParam, (LPSTR)lParam);
ComboUpdateWindow(hwnd, lphl, lphc, TRUE);
return wRet;
}
/***********************************************************************
* CBAddString
*/
static LRESULT CBAddString(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
WORD wRet;
LPHEADLIST lphl = ComboGetListHeader(hwnd);
LPHEADCOMBO lphc = ComboGetStorageHeader(hwnd);
wRet = ListBoxAddString(lphl, (SEGPTR)lParam);
ComboUpdateWindow(hwnd, lphl, lphc, TRUE);
return wRet;
}
/***********************************************************************
* CBDeleteString
*/
static LRESULT CBDeleteString(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
LPHEADCOMBO lphc = ComboGetStorageHeader(hwnd);
LONG lRet = ListBoxDeleteString(lphl,wParam);
ComboUpdateWindow(hwnd, lphl, lphc, TRUE);
return lRet;
}
/***********************************************************************
* CBSelectString
*/
static LRESULT CBSelectString(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
WORD wRet;
wRet = ListBoxFindString(lphl, wParam, (SEGPTR)lParam);
/* XXX add functionality here */
return 0;
}
/***********************************************************************
* CBFindString
*/
static LRESULT CBFindString(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
return ListBoxFindString(lphl, wParam, (SEGPTR)lParam);
}
/***********************************************************************
* CBFindStringExact
*/
static LRESULT CBFindStringExact(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
return ListBoxFindStringExact(lphl, wParam, (SEGPTR)lParam);
}
/***********************************************************************
* CBGetCount
*/
static LRESULT CBGetCount(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
return lphl->ItemsCount;
}
/***********************************************************************
* CBSetCurSel
*/
static LRESULT CBSetCurSel(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
WORD wRet;
wRet = ListBoxSetCurSel(lphl, wParam);
dprintf_combo(stddeb,"CBSetCurSel: hwnd %04x wp %x lp %lx wRet %d\n",
hwnd,wParam,lParam,wRet);
/* SetScrollPos(hwnd, SB_VERT, lphl->FirstVisible, TRUE);*/
InvalidateRect32( hwnd, NULL, TRUE );
return wRet;
}
/***********************************************************************
* CBGetCurSel
*/
static LRESULT CBGetCurSel(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
return lphl->ItemFocused;
}
/***********************************************************************
* CBGetItemHeight
*/
static LRESULT CBGetItemHeight(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
LPLISTSTRUCT lpls = ListBoxGetItem (lphl, wParam);
if (lpls == NULL) return LB_ERR;
return lpls->mis.itemHeight;
}
/***********************************************************************
* CBSetItemHeight
*/
static LRESULT CBSetItemHeight(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
return ListBoxSetItemHeight(lphl, wParam, lParam);
}
/***********************************************************************
* CBSetRedraw
*/
static LRESULT CBSetRedraw(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
lphl->bRedrawFlag = wParam;
return 0;
}
/***********************************************************************
* CBSetFont
*/
static LRESULT CBSetFont(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
LPHEADCOMBO lphc = ComboGetStorageHeader(hwnd);
if (wParam == 0)
lphl->hFont = GetStockObject32(SYSTEM_FONT);
else
lphl->hFont = (HFONT16)wParam;
if (lphc->hWndEdit)
SendMessage16(lphc->hWndEdit,WM_SETFONT,lphl->hFont,0);
return 0;
}
/***********************************************************************
* CBGetLBTextLen
*/
static LRESULT CBGetLBTextLen(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
LPLISTSTRUCT lpls = ListBoxGetItem(lphl,wParam);
if (lpls == NULL || !lphl->HasStrings) return LB_ERR;
return strlen(lpls->itemText);
}
/***********************************************************************
* CBGetLBText
*/
static LRESULT CBGetLBText(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
return ListBoxGetText(lphl, wParam, (LPSTR)PTR_SEG_TO_LIN(lParam));
}
/***********************************************************************
* CBGetItemData
*/
static LRESULT CBGetItemData(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
return ListBoxGetItemData(lphl, wParam);
}
/***********************************************************************
* CBSetItemData
*/
static LRESULT CBSetItemData(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADLIST lphl = ComboGetListHeader(hwnd);
return ListBoxSetItemData(lphl, wParam, lParam);
}
/***********************************************************************
* CBShowDropDown
*/
static LRESULT CBShowDropDown(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADCOMBO lphc = ComboGetStorageHeader(hwnd);
RECT32 rect;
if ((lphc->dwStyle & 3) == CBS_SIMPLE) return LB_ERR;
wParam = !!wParam;
if (wParam != lphc->DropDownVisible) {
lphc->DropDownVisible = wParam;
GetWindowRect32(hwnd,&rect);
SetWindowPos(lphc->hWndLBox, 0, rect.left, rect.top+lphc->LBoxTop, 0, 0,
SWP_NOSIZE | SWP_NOACTIVATE |
(wParam ? SWP_SHOWWINDOW : SWP_HIDEWINDOW));
if (!wParam) SetFocus32(hwnd);
}
return 0;
}
/***********************************************************************
* CBCheckSize
*/
static BOOL CBCheckSize(HWND hwnd)
{
LPHEADCOMBO lphc = ComboGetStorageHeader(hwnd);
LPHEADLIST lphl = ComboGetListHeader(hwnd);
LONG cstyle = GetWindowLong32A(hwnd,GWL_STYLE);
RECT16 cRect, wRect;
if (lphc->hWndLBox == 0) return FALSE;
GetClientRect16(hwnd,&cRect);
GetWindowRect16(hwnd,&wRect);
dprintf_combo(stddeb,
"CBCheckSize: hwnd %04x Rect %d,%d-%d,%d wRect %d,%d-%d,%d\n",
hwnd,cRect.left,cRect.top,cRect.right,cRect.bottom,
wRect.left,wRect.top,wRect.right,wRect.bottom);
if ((cstyle & 3) == CBS_SIMPLE) return TRUE;
if ((cRect.bottom - cRect.top) >
(lphl->StdItemHeight + 2*SYSMETRICS_CYBORDER)) {
SetWindowPos(hwnd, 0, 0, 0,
cRect.right-cRect.left,
lphl->StdItemHeight+2*SYSMETRICS_CYBORDER,
SWP_NOMOVE | SWP_NOZORDER | SWP_NOREDRAW | SWP_NOACTIVATE );
GetClientRect16(hwnd,&cRect);
GetWindowRect16(hwnd,&wRect);
lphc->RectButton.right = cRect.right;
lphc->RectButton.left = cRect.right - 2*SYSMETRICS_CXBORDER - 4
- CBitWidth;
lphc->RectButton.top = cRect.top;
lphc->RectButton.bottom = cRect.bottom;
}
if (cRect.right < lphc->RectButton.left) {
/* if the button is outside the window move it in */
if ((wRect.right - wRect.left - 2*SYSMETRICS_CXBORDER) == (cRect.right - cRect.left)) {
lphc->RectButton.right = cRect.right;
lphc->RectButton.left = cRect.right - 2*SYSMETRICS_CXBORDER - 4
- CBitWidth;
lphc->RectButton.top = cRect.top;
lphc->RectButton.bottom = cRect.bottom;
}
/* otherwise we need to make the client include the button */
else
SetWindowPos(hwnd, 0, 0, 0, lphc->RectButton.right,
lphl->StdItemHeight+2*SYSMETRICS_CYBORDER,
SWP_NOMOVE | SWP_NOZORDER | SWP_NOREDRAW | SWP_NOACTIVATE);
if ((lphc->dwStyle & 3) != CBS_DROPDOWNLIST)
SetWindowPos(lphc->hWndEdit, 0, 0, 0, lphc->RectButton.left,
lphl->StdItemHeight,
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER );
}
CBLCheckSize(hwnd);
return TRUE;
}
/***********************************************************************
* CBCommand
*/
static LRESULT CBCommand(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADCOMBO lphc = ComboGetStorageHeader(hwnd);
LPHEADLIST lphl = ComboGetListHeader(hwnd);
char buffer[256];
WORD newFocused;
WORD id;
if (lphc->hWndEdit) /* interdependence only used for CBS_SIMPLE and CBS_DROPDOWN styles */
{
switch (wParam)
{
case ID_CLB: /* update EDIT window */
if (HIWORD(lParam)==CBN_SELCHANGE)
if (lphl->HasStrings)
{
ListBoxGetText(lphl,lphl->ItemFocused, buffer);
dprintf_combo(stddeb,"CBCommand: update Edit: %s\n",buffer);
SetWindowText32A( lphc->hWndEdit, buffer );
}
break;
case ID_EDIT: /* update LISTBOX window */
id=GetWindowWord(hwnd,GWW_ID);
switch (HIWORD(lParam))
{
case EN_UPDATE:GetWindowText32A(lphc->hWndEdit,buffer,255);
if (*buffer)
{
char *str = SEGPTR_STRDUP(buffer);
newFocused=ListBoxFindString(lphl, -1, SEGPTR_GET(str));
SEGPTR_FREE(str);
dprintf_combo(stddeb,"CBCommand: new selection #%d is= %s\n",
newFocused,buffer);
if (newFocused != (WORD)LB_ERR)
{ /* if found something */
ListBoxSetCurSel(lphl, newFocused);
ListBoxSendNotification(lphl, CBN_SELCHANGE);
InvalidateRect32(hwnd, NULL, TRUE);
}
}
SendMessage16(GetParent16(hwnd),WM_COMMAND,id,
MAKELONG(hwnd, CBN_EDITUPDATE));
break;
case EN_CHANGE:SendMessage16(GetParent16(hwnd),WM_COMMAND,id,
MAKELONG(hwnd, CBN_EDITCHANGE));
break;
case EN_ERRSPACE:SendMessage16(GetParent16(hwnd),WM_COMMAND,id,
MAKELONG(hwnd, CBN_ERRSPACE));
break;
}
break;
}
}
return 0;
}
/***********************************************************************
* CBGetEditSel
* Look out! Under Win32, the parameter packing is very different.
*/
static LRESULT CBGetEditSel(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADCOMBO lphc = ComboGetStorageHeader(hwnd);
if ((lphc->dwStyle & 3) == CBS_DROPDOWNLIST)
return CB_ERR; /* err, documented for CBSetEditSel */
return SendMessage16(lphc->hWndEdit, EM_GETSEL, 0, 0);
}
/***********************************************************************
* CBSetEditSel
* Look out! Under Win32, the parameter packing is very different.
*/
static LRESULT CBSetEditSel(HWND hwnd, WPARAM16 wParam, LPARAM lParam)
{
LPHEADCOMBO lphc = ComboGetStorageHeader(hwnd);
if ((lphc->dwStyle & 3) == CBS_DROPDOWNLIST)
return CB_ERR;
return SendMessage16(lphc->hWndEdit, EM_SETSEL, 0, lParam);
}
/***********************************************************************
* ComboWndProc
*/
LRESULT ComboBoxWndProc(HWND hwnd, UINT message, WPARAM16 wParam, LPARAM lParam)
{
switch(message) {
case WM_NCCREATE: return CBNCCreate(hwnd, wParam, lParam);
case WM_CREATE: return CBCreate(hwnd, wParam, lParam);
case WM_DESTROY: return CBDestroy(hwnd, wParam, lParam);
case WM_GETDLGCODE: return CBGetDlgCode(hwnd, wParam, lParam);
case WM_KEYDOWN: return CBKeyDown(hwnd, wParam, lParam);
case WM_CHAR: return CBChar(hwnd, wParam, lParam);
case WM_SETFONT: return CBSetFont(hwnd, wParam, lParam);
case WM_SETREDRAW: return CBSetRedraw(hwnd, wParam, lParam);
case WM_PAINT: return CBPaint(hwnd, wParam, lParam);
case WM_LBUTTONDOWN: return CBLButtonDown(hwnd, wParam, lParam);
case WM_SETFOCUS: return CBSetFocus(hwnd, wParam, lParam);
case WM_KILLFOCUS: return CBKillFocus(hwnd, wParam, lParam);
case WM_SIZE: return CBCheckSize(hwnd);
case WM_COMMAND: return CBCommand(hwnd, wParam, lParam);
case CB_RESETCONTENT: return CBResetContent(hwnd, wParam, lParam);
case CB_DIR: return CBDir(hwnd, wParam, lParam);
case CB_ADDSTRING: return CBAddString(hwnd, wParam, lParam);
case CB_INSERTSTRING: return CBInsertString(hwnd, wParam, lParam);
case CB_DELETESTRING: return CBDeleteString(hwnd, wParam, lParam);
case CB_FINDSTRING: return CBFindString(hwnd, wParam, lParam);
case CB_GETCOUNT: return CBGetCount(hwnd, wParam, lParam);
case CB_GETCURSEL: return CBGetCurSel(hwnd, wParam, lParam);
case CB_GETITEMDATA: return CBGetItemData(hwnd, wParam, lParam);
case CB_GETITEMHEIGHT: return CBGetItemHeight(hwnd, wParam, lParam);
case CB_GETLBTEXT: return CBGetLBText(hwnd, wParam, lParam);
case CB_GETLBTEXTLEN: return CBGetLBTextLen(hwnd, wParam, lParam);
case CB_SELECTSTRING: return CBSelectString(hwnd, wParam, lParam);
case CB_SETITEMDATA: return CBSetItemData(hwnd, wParam, lParam);
case CB_SETCURSEL: return CBSetCurSel(hwnd, wParam, lParam);
case CB_SETITEMHEIGHT: return CBSetItemHeight(hwnd, wParam, lParam);
case CB_SHOWDROPDOWN: return CBShowDropDown(hwnd, wParam, lParam);
case CB_GETEDITSEL: return CBGetEditSel(hwnd, wParam, lParam);
case CB_SETEDITSEL: return CBSetEditSel(hwnd, wParam, lParam);
case CB_FINDSTRINGEXACT: return CBFindStringExact(hwnd, wParam, lParam);
}
return DefWindowProc16(hwnd, message, wParam, lParam);
}
/*--------------------------------------------------------------------*/
/* ComboLBox code starts here */
HWND CLBoxGetCombo(HWND hwnd)
{
return (HWND)GetWindowLong32A(hwnd,0);
}
LPHEADLIST CLBoxGetListHeader(HWND hwnd)
{
return ComboGetListHeader(CLBoxGetCombo(hwnd));
}
/***********************************************************************
* CBLCreate
*/
static LRESULT CBLCreate( HWND hwnd, WPARAM16 wParam, LPARAM lParam )
{
CREATESTRUCT16 *createStruct = (CREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam);
SetWindowLong32A(hwnd,0,(LONG)createStruct->lpCreateParams);
return 0;
}
/***********************************************************************
* CBLGetDlgCode
*/
static LRESULT CBLGetDlgCode( HWND hwnd, WPARAM16 wParam, LPARAM lParam )
{
return DLGC_WANTARROWS | DLGC_WANTCHARS;
}
/***********************************************************************
* CBLKeyDown
*/
static LRESULT CBLKeyDown( HWND hwnd, WPARAM16 wParam, LPARAM lParam )
{
LPHEADLIST lphl = CLBoxGetListHeader(hwnd);
WORD newFocused = lphl->ItemFocused;
switch(wParam) {
case VK_HOME:
newFocused = 0;
break;
case VK_END:
newFocused = lphl->ItemsCount - 1;
break;
case VK_UP:
if (newFocused > 0) newFocused--;
break;
case VK_DOWN:
newFocused++;
break;
case VK_PRIOR:
if (newFocused > lphl->ItemsVisible) {
newFocused -= lphl->ItemsVisible;
} else {
newFocused = 0;
}
break;
case VK_NEXT:
newFocused += lphl->ItemsVisible;
break;
default:
return 0;
}
if (newFocused >= lphl->ItemsCount)
newFocused = lphl->ItemsCount - 1;
ListBoxSetCurSel(lphl, newFocused);
ListBoxSendNotification(lphl, CBN_SELCHANGE);
SendMessage16(GetParent16(hwnd), WM_COMMAND,ID_CLB,MAKELONG(0,CBN_SELCHANGE));
lphl->ItemFocused = newFocused;
ListBoxScrollToFocus(lphl);
SetScrollPos32(hwnd, SB_VERT, lphl->FirstVisible, TRUE);
InvalidateRect32( hwnd, NULL, TRUE );
return 0;
}
/***********************************************************************
* CBLChar
*/
static LRESULT CBLChar( HWND hwnd, WPARAM16 wParam, LPARAM lParam )
{
return 0;
}
/***********************************************************************
* CBLPaint
*/
static LRESULT CBLPaint( HWND hwnd, WPARAM16 wParam, LPARAM lParam )
{
LPHEADLIST lphl = CLBoxGetListHeader(hwnd);
LPLISTSTRUCT lpls;
PAINTSTRUCT16 ps;
HBRUSH32 hBrush;
HFONT32 hOldFont;
WND * wndPtr = WIN_FindWndPtr(hwnd);
HWND combohwnd = CLBoxGetCombo(hwnd);
HDC16 hdc;
RECT16 rect;
int i, top, height;
top = 0;
hdc = BeginPaint16( hwnd, &ps );
if (!IsWindowVisible(hwnd) || !lphl->bRedrawFlag) {
EndPaint16(hwnd, &ps);
return 0;
}
hOldFont = SelectObject32(hdc, lphl->hFont);
/* listboxes should be white */
hBrush = GetStockObject32(WHITE_BRUSH);
GetClientRect16(hwnd, &rect);
FillRect16(hdc, &rect, hBrush);
CBLCheckSize(hwnd);
lpls = lphl->lpFirst;
lphl->ItemsVisible = 0;
for(i = 0; i < lphl->ItemsCount; i++) {
if (lpls == NULL) break;
if (i >= lphl->FirstVisible) {
height = lpls->mis.itemHeight;
/* must have enough room to draw entire item */
if (top > (rect.bottom-height+1)) break;
lpls->itemRect.top = top;
lpls->itemRect.bottom = top + height;
lpls->itemRect.left = rect.left;
lpls->itemRect.right = rect.right;
dprintf_listbox(stddeb,"drawing item: %d %d %d %d %d\n",
rect.left,top,rect.right,top+height,lpls->itemState);
if (lphl->OwnerDrawn) {
ListBoxDrawItem (combohwnd, lphl, hdc, lpls, &lpls->itemRect, ODA_DRAWENTIRE, 0);
if (lpls->itemState)
ListBoxDrawItem (combohwnd, lphl, hdc, lpls, &lpls->itemRect, ODA_SELECT, ODS_SELECTED);
} else {
ListBoxDrawItem (combohwnd, lphl, hdc, lpls, &lpls->itemRect, ODA_DRAWENTIRE,
lpls->itemState);
}
if ((lphl->ItemFocused == i) && GetFocus32() == hwnd)
ListBoxDrawItem (combohwnd, lphl, hdc, lpls, &lpls->itemRect, ODA_FOCUS, ODS_FOCUS);
top += height;
lphl->ItemsVisible++;
}
lpls = lpls->lpNext;
}
if (wndPtr->dwStyle & WS_VSCROLL)
SetScrollRange32(hwnd, SB_VERT, 0, ListMaxFirstVisible(lphl), TRUE);
SelectObject32(hdc,hOldFont);
EndPaint16( hwnd, &ps );
return 0;
}
/***********************************************************************
* CBLKillFocus
*/
static LRESULT CBLKillFocus( HWND hwnd, WPARAM16 wParam, LPARAM lParam )
{
/* SendMessage16(CLBoxGetCombo(hwnd),CB_SHOWDROPDOWN,0,0);*/
return 0;
}
/***********************************************************************
* CBLActivate
*/
static LRESULT CBLActivate( HWND hwnd, WPARAM16 wParam, LPARAM lParam )
{
if (wParam == WA_INACTIVE)
SendMessage16(CLBoxGetCombo(hwnd),CB_SHOWDROPDOWN,0,0);
return 0;
}
/***********************************************************************
* CBLLButtonDown
*/
static LRESULT CBLLButtonDown( HWND hwnd, WPARAM16 wParam, LPARAM lParam )
{
LPHEADLIST lphl = CLBoxGetListHeader(hwnd);
int y;
RECT16 rectsel;
/* SetFocus32(hwnd); */
SetCapture32(hwnd);
lphl->PrevFocused = lphl->ItemFocused;
y = ListBoxFindMouse(lphl, LOWORD(lParam), HIWORD(lParam));
if (y == -1)
return 0;
ListBoxSetCurSel(lphl, y);
ListBoxGetItemRect(lphl, y, &rectsel);
InvalidateRect32( hwnd, NULL, TRUE );
return 0;
}
/***********************************************************************
* CBLLButtonUp
*/
static LRESULT CBLLButtonUp( HWND hwnd, WPARAM16 wParam, LPARAM lParam )
{
LPHEADLIST lphl = CLBoxGetListHeader(hwnd);
if (GetCapture32() == hwnd) ReleaseCapture();
if(!lphl)
{
fprintf(stdnimp,"CBLLButtonUp: CLBoxGetListHeader returned NULL!\n");
}
else if (lphl->PrevFocused != lphl->ItemFocused)
{
SendMessage16(CLBoxGetCombo(hwnd),CB_SETCURSEL,lphl->ItemFocused,0);
SendMessage16(GetParent16(hwnd), WM_COMMAND,ID_CLB,MAKELONG(0,CBN_SELCHANGE));
ListBoxSendNotification(lphl, CBN_SELCHANGE);
}
SendMessage16(CLBoxGetCombo(hwnd),CB_SHOWDROPDOWN,0,0);
return 0;
}
/***********************************************************************
* CBLMouseMove
*/
static LRESULT CBLMouseMove( HWND hwnd, WPARAM16 wParam, LPARAM lParam )
{
LPHEADLIST lphl = CLBoxGetListHeader(hwnd);
short y;
WORD wRet;
RECT16 rect, rectsel;
y = SHIWORD(lParam);
wRet = ListBoxFindMouse(lphl, LOWORD(lParam), HIWORD(lParam));
ListBoxGetItemRect(lphl, wRet, &rectsel);
GetClientRect16(hwnd, &rect);
dprintf_combo(stddeb,"CBLMouseMove: hwnd %04x wp %x lp %lx y %d if %d wret %d %d,%d-%d,%d\n",
hwnd,wParam,lParam,y,lphl->ItemFocused,wRet,rectsel.left,rectsel.top,rectsel.right,rectsel.bottom);
if ((wParam & MK_LBUTTON) != 0) {
if (y < CBLMM_EDGE) {
if (lphl->FirstVisible > 0) {
lphl->FirstVisible--;
SetScrollPos32(hwnd, SB_VERT, lphl->FirstVisible, TRUE);
ListBoxSetCurSel(lphl, wRet);
InvalidateRect32( hwnd, NULL, TRUE );
return 0;
}
}
else if (y >= (rect.bottom-CBLMM_EDGE)) {
if (lphl->FirstVisible < ListMaxFirstVisible(lphl)) {
lphl->FirstVisible++;
SetScrollPos32(hwnd, SB_VERT, lphl->FirstVisible, TRUE);
ListBoxSetCurSel(lphl, wRet);
InvalidateRect32( hwnd, NULL, TRUE );
return 0;
}
}
else {
if ((short) wRet == lphl->ItemFocused) return 0;
ListBoxSetCurSel(lphl, wRet);
InvalidateRect32( hwnd, NULL, TRUE );
}
}
return 0;
}
/***********************************************************************
* CBLVScroll
*/
static LRESULT CBLVScroll( HWND hwnd, WPARAM16 wParam, LPARAM lParam )
{
LPHEADLIST lphl = CLBoxGetListHeader(hwnd);
int y;
y = lphl->FirstVisible;
switch(wParam) {
case SB_LINEUP:
if (lphl->FirstVisible > 0)
lphl->FirstVisible--;
break;
case SB_LINEDOWN:
lphl->FirstVisible++;
break;
case SB_PAGEUP:
if (lphl->FirstVisible > lphl->ItemsVisible) {
lphl->FirstVisible -= lphl->ItemsVisible;
} else {
lphl->FirstVisible = 0;
}
break;
case SB_PAGEDOWN:
lphl->FirstVisible += lphl->ItemsVisible;
break;
case SB_THUMBTRACK:
lphl->FirstVisible = LOWORD(lParam);
break;
}
if (lphl->FirstVisible > ListMaxFirstVisible(lphl))
lphl->FirstVisible = ListMaxFirstVisible(lphl);
if (y != lphl->FirstVisible) {
SetScrollPos32(hwnd, SB_VERT, lphl->FirstVisible, TRUE);
InvalidateRect32( hwnd, NULL, TRUE );
}
return 0;
}
/***********************************************************************
* CBLCheckSize
*/
static BOOL CBLCheckSize(HWND hwnd)
{
LPHEADCOMBO lphc = ComboGetStorageHeader(hwnd);
LPHEADLIST lphl = ComboGetListHeader(hwnd);
LPLISTSTRUCT lpls;
HWND hWndLBox;
RECT16 cRect,wRect,lRect,lwRect;
int totheight,dw;
char className[80];
GetClassName32A(hwnd,className,80);
fflush(stddeb);
if (strncmp(className,"COMBOBOX",8)) return FALSE;
if ((hWndLBox = lphc->hWndLBox) == 0) return FALSE;
dprintf_combo(stddeb,"CBLCheckSize headers hw %04x lb %04x name %s\n",
hwnd,hWndLBox,className);
GetClientRect16(hwnd,&cRect);
GetWindowRect16(hwnd,&wRect);
GetClientRect16(hWndLBox,&lRect);
GetWindowRect16(hWndLBox,&lwRect);
dprintf_combo(stddeb,"CBLCheckSize: init cRect %d,%d-%d,%d wRect %d,%d-%d,%d\n",
cRect.left,cRect.top,cRect.right,cRect.bottom,
wRect.left,wRect.top,wRect.right,wRect.bottom);
dprintf_combo(stddeb," lRect %d,%d-%d,%d lwRect %d,%d-%d,%d\n",
lRect.left,lRect.top,lRect.right,lRect.bottom,
lwRect.left,lwRect.top,lwRect.right,lwRect.bottom);
fflush(stddeb);
totheight = 0;
for (lpls=lphl->lpFirst; lpls != NULL; lpls=lpls->lpNext)
totheight += lpls->mis.itemHeight;
dw = cRect.right-cRect.left+2*SYSMETRICS_CXBORDER+SYSMETRICS_CXVSCROLL;
dw -= lwRect.right-lwRect.left;
dw -= SYSMETRICS_CXVSCROLL;
/* TODO: This isn't really what windows does */
if ((lRect.bottom-lRect.top < 3*lphl->StdItemHeight) || dw) {
dprintf_combo(stddeb," Changing; totHeight %d StdItemHght %d dw %d\n",
totheight,lphl->StdItemHeight,dw);
SetWindowPos(hWndLBox, 0, lRect.left, lRect.top,
lwRect.right-lwRect.left+dw, totheight+2*SYSMETRICS_CYBORDER,
SWP_NOMOVE | SWP_NOZORDER | SWP_NOREDRAW | SWP_NOACTIVATE );
}
return TRUE;
}
/***********************************************************************
* ComboLBoxWndProc
*/
LRESULT ComboLBoxWndProc(HWND hwnd, UINT message, WPARAM16 wParam, LPARAM lParam)
{
switch(message) {
case WM_CREATE: return CBLCreate(hwnd, wParam, lParam);
case WM_GETDLGCODE: return CBLGetDlgCode(hwnd, wParam, lParam);
case WM_KEYDOWN: return CBLKeyDown(hwnd, wParam, lParam);
case WM_CHAR: return CBLChar(hwnd, wParam, lParam);
case WM_PAINT: return CBLPaint(hwnd, wParam, lParam);
case WM_KILLFOCUS: return CBLKillFocus(hwnd, wParam, lParam);
case WM_ACTIVATE: return CBLActivate(hwnd, wParam, lParam);
case WM_LBUTTONDOWN: return CBLLButtonDown(hwnd, wParam, lParam);
case WM_LBUTTONUP: return CBLLButtonUp(hwnd, wParam, lParam);
case WM_MOUSEMOVE: return CBLMouseMove(hwnd, wParam, lParam);
case WM_VSCROLL: return CBLVScroll(hwnd, wParam, lParam);
case WM_SIZE: return CBLCheckSize(hwnd);
case WM_MOUSEACTIVATE: /* We don't want to be activated */
return MA_NOACTIVATE;
}
return DefWindowProc16(hwnd, message, wParam, lParam);
}
/************************************************************************
* DlgDirSelectComboBox [USER.194]
*/
BOOL DlgDirSelectComboBox(HWND hDlg, LPSTR lpStr, INT nIDLBox)
{
fprintf(stdnimp,"DlgDirSelectComboBox(%04x, '%s', %d) \n",
hDlg, lpStr, nIDLBox);
return TRUE;
}
static INT32 COMBO_DlgDirList( HWND32 hDlg, LPARAM path, INT32 idCBox,
INT32 idStatic, UINT32 wType, BOOL32 unicode )
{
LRESULT res = 0;
if (idCBox)
{
SendDlgItemMessage32A( hDlg, idCBox, CB_RESETCONTENT, 0, 0 );
if (unicode)
res = SendDlgItemMessage32W( hDlg, idCBox, CB_DIR, wType, path );
else
res = SendDlgItemMessage32A( hDlg, idCBox, CB_DIR, wType, path );
}
if (idStatic)
{
char temp[512] = "A:\\";
int drive = DRIVE_GetCurrentDrive();
temp[0] += drive;
lstrcpyn32A( temp + 3, DRIVE_GetDosCwd(drive), sizeof(temp)-3 );
AnsiLower( temp );
SetDlgItemText32A( hDlg, idStatic, temp );
}
return (res >= 0);
}
/***********************************************************************
* DlgDirListComboBox16 (USER.195)
*/
INT16 DlgDirListComboBox16( HWND16 hDlg, SEGPTR path, INT16 idCBox,
INT16 idStatic, UINT16 wType )
{
dprintf_combo( stddeb,"DlgDirListComboBox16(%04x,%08x,%d,%d,%04x)\n",
hDlg, (UINT32)path, idCBox, idStatic, wType );
return COMBO_DlgDirList( hDlg, (LPARAM)path, idCBox,
idStatic, wType, FALSE );
}
/***********************************************************************
* DlgDirListComboBox32A (USER32.143)
*/
INT32 DlgDirListComboBox32A( HWND32 hDlg, LPCSTR path, INT32 idCBox,
INT32 idStatic, UINT32 wType )
{
dprintf_combo( stddeb,"DlgDirListComboBox32A(%08x,'%s',%d,%d,%08X)\n",
hDlg, path, idCBox, idStatic, wType );
return COMBO_DlgDirList( hDlg, (LPARAM)path, idCBox,
idStatic, wType, FALSE );
}
/***********************************************************************
* DlgDirListComboBox32W (USER32.144)
*/
INT32 DlgDirListComboBox32W( HWND32 hDlg, LPCWSTR path, INT32 idCBox,
INT32 idStatic, UINT32 wType )
{
dprintf_combo( stddeb,"DlgDirListComboBox32W(%08x,%p,%d,%d,%08X)\n",
hDlg, path, idCBox, idStatic, wType );
return COMBO_DlgDirList( hDlg, (LPARAM)path, idCBox,
idStatic, wType, TRUE );
}
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