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wine/controls/listbox.c
Alexandre Julliard e399fc3636 Release 0.4.10 
Mon Nov 22 13:58:56 1993  David Metcalfe <david@prism.demon.co.uk>

        * [windows/scroll.c]
	Preliminary implementations of ScrollWindow, ScrollDC and
        ScrollWindowEx.

Nov 21, 93 martin2@trgcorp.solucorp.qc.ca (Martin Ayotte)

	* [controls/listbox.c]
	Optimization of redraw during 'Add' or 'Insert'.

	* [controls/scroll.c]
	Optimization of WM_PAINT during 'thumbtracking'.

	* [controls/button.c]
	Add of beta implement of 'BS_OWNERDRAW'

	* [controls/static.c]
	Style 'SS_ICON' new supported.

	* [misc/message.c]
	Begin of implemantation of MB_XXX styles.

	* [loader/resource.c]
	Function LoadIcon() : now prepare transparency Bitmap mask.
	Function LoadCursor() : now prepare a 'X pixmapcursor'.
	New function SetCursor() : not finished.
	New function ShowCursor() : not finished.
	New function AccessResource() : stub.

	* [obj/dib.c]
	Function DrawIcon(): deugging phase of icon transparency mask.

	* [loader/library.c]
	new file for news functions LoadLibrary() & FreeLibrary().

	* [sysres.dll]
	Resources only 16bits DLL for System Resources, icons, etc...

Sun Nov 14 14:39:06 1993  julliard@di.epfl.ch (Alexandre Julliard)

	* [include/dialog.h] [windows/dialog.c]
	Simplified dialog template parsing.
	Implemented DialogBoxIndirect().

	* [windows/win.c]
	Fixed bug in CreateWindow() when aborting window creation.
	Modified UpdateWindow() to only update visible windows.
	Implemented IsWindow().

Nov 14, 93 martin2@trgcorp.solucorp.qc.ca (Martin Ayotte)

	* [controls/listbox.c]
	Listbox control window : new messages.

	* [controls/combo.c]
	Combo box control window : new messages.

	* [misc/message.c]
	Moved stub MessageBox() to this new file.
	Implemented of a callback, now MessageBox show a window.

	* [loader/resource.c]
	New function DestroyIcon()
	New function DestroyCursor()
	Filled stub LoadIcon()
	Filled stub LoadCursor()
	Bug fixed in FindResourceByName() : missing lseek().

	* [obj/dib.c]
	New function DrawIcon()

	* [windows/win.c]
	New function CloseWindow()
	New function OpenIcon()
	New function IsIconic()
	New Function FindWindow()

Sun Nov 14 08:27:19 1993  Karl Guenter Wuensch (hz225wu@unidui.uni-duisburg.de)

	* [loader/selector.c]
	Wrote AllocCStoDSAlias() and AllocDStoCSAlias()

Sun Nov 14 08:27:19 1993  Bob Amstadt  (bob at amscons)

	* [loader/selector.c]
	Wrote AllocSelector() and PrestoChangoSelector().  YUK!

Sat Nov 13 13:56:42 1993  Bob Amstadt  (bob at amscons)

	* [loader/resource.c]
	Wrote FindResource(), LoadResource(), LockResource(),
	and FreeResource()

	* [include/segmem.h] [loader/selector.c] [loader/signal.h]
	Changed selector allocation method.

Sun Nov 10 08:27:19 1993  Karl Guenter Wuensch (hz225wu@unidui.uni-duisburg.de)

	* [if1632/callback.c if1632/call.S if1632/user.spec] 
	added Catch (KERNEL.55) and Throw (KERNEL.56)
	
Nov 7, 93 martin2@trgcorp.solucorp.qc.ca (Martin Ayotte)

	* [controls/scroll.c]
	Scroll bar control window
		Bug resolved : Painting message before scroll visible.

	* [controls/listbox.c]
	Listbox control window
		Destroy cleanup.

	* [controls/combo.c]
	Combo box control window
		Destroy cleanup.

	* [controls/button.c]
		GetCheck Message now return is state.

	* [windows/win.c]
	New function IsWindowVisible()
1993-11-24 17:08:56 +00:00

992 lines
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/*
* Interface code to listbox widgets
*
* Copyright Martin Ayotte, 1993
*
*/
/*
#define DEBUG_LISTBOX
*/
static char Copyright[] = "Copyright Martin Ayotte, 1993";
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#include "windows.h"
#include "user.h"
#include "heap.h"
#include "win.h"
#include "listbox.h"
#include "scroll.h"
#include "dirent.h"
#include <sys/stat.h>
#define GMEM_ZEROINIT 0x0040
LPHEADLIST ListBoxGetWindowAndStorage(HWND hwnd, WND **wndPtr);
LPHEADLIST ListBoxGetStorageHeader(HWND hwnd);
void StdDrawListBox(HWND hwnd);
void OwnerDrawListBox(HWND hwnd);
int ListBoxFindMouse(HWND hwnd, int X, int Y);
int CreateListBoxStruct(HWND hwnd);
int ListBoxAddString(HWND hwnd, LPSTR newstr);
int ListBoxInsertString(HWND hwnd, UINT uIndex, LPSTR newstr);
int ListBoxGetText(HWND hwnd, UINT uIndex, LPSTR OutStr);
int ListBoxDeleteString(HWND hwnd, UINT uIndex);
int ListBoxFindString(HWND hwnd, UINT nFirst, LPSTR MatchStr);
int ListBoxResetContent(HWND hwnd);
int ListBoxSetCurSel(HWND hwnd, WORD wIndex);
int ListBoxSetSel(HWND hwnd, WORD wIndex);
int ListBoxDirectory(HWND hwnd, UINT attrib, LPSTR filespec);
int ListBoxGetItemRect(HWND hwnd, WORD wIndex, LPRECT rect);
int ListBoxSetItemHeight(HWND hwnd, WORD wIndex, long height);
int ListBoxDefaultItem(HWND hwnd, WND *wndPtr,
LPHEADLIST lphl, LPLISTSTRUCT lpls);
int ListBoxFindNextMatch(HWND hwnd, WORD wChar);
void LISTBOX_CreateListBox(LPSTR className, LPSTR listboxLabel, HWND hwnd)
{
WND *wndPtr = WIN_FindWndPtr(hwnd);
WND *parentPtr = WIN_FindWndPtr(wndPtr->hwndParent);
DWORD style;
char widgetName[15];
#ifdef DEBUG_LISTBOX
printf("listbox: label = %s, x = %d, y = %d\n", listboxLabel,
wndPtr->rectClient.left, wndPtr->rectClient.top);
printf(" width = %d, height = %d\n",
wndPtr->rectClient.right - wndPtr->rectClient.left,
wndPtr->rectClient.bottom - wndPtr->rectClient.top);
#endif
if (!wndPtr)
return;
style = wndPtr->dwStyle & 0x0000FFFF;
/*
if ((style & LBS_NOTIFY) == LBS_NOTIFY)
if ((style & LBS_SORT) == LBS_SORT)
*/
sprintf(widgetName, "%s%d", className, wndPtr->wIDmenu);
wndPtr->winWidget = XtVaCreateManagedWidget(widgetName,
compositeWidgetClass,
parentPtr->winWidget,
XtNx, wndPtr->rectClient.left,
XtNy, wndPtr->rectClient.top,
XtNwidth, wndPtr->rectClient.right -
wndPtr->rectClient.left,
XtNheight, wndPtr->rectClient.bottom -
wndPtr->rectClient.top,
NULL );
GlobalUnlock(hwnd);
GlobalUnlock(wndPtr->hwndParent);
}
/***********************************************************************
* WIDGETS_ListBoxWndProc
*/
LONG LISTBOX_ListBoxWndProc( HWND hwnd, WORD message,
WORD wParam, LONG lParam )
{
WND *wndPtr;
LPHEADLIST lphl;
WORD wRet;
RECT rect;
int y;
int width, height;
CREATESTRUCT *createStruct;
static RECT rectsel;
switch(message)
{
case WM_CREATE:
CreateListBoxStruct(hwnd);
lphl = ListBoxGetWindowAndStorage(hwnd, &wndPtr);
#ifdef DEBUG_LISTBOX
printf("ListBox WM_CREATE %lX !\n", lphl);
#endif
createStruct = (CREATESTRUCT *)lParam;
if (HIWORD(createStruct->lpCreateParams) != 0)
lphl->hWndLogicParent = (HWND)HIWORD(createStruct->lpCreateParams);
else
lphl->hWndLogicParent = GetParent(hwnd);
width = wndPtr->rectClient.right - wndPtr->rectClient.left;
height = wndPtr->rectClient.bottom - wndPtr->rectClient.top;
lphl->hWndScroll = CreateWindow("SCROLLBAR", "",
WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | SBS_VERT,
width - 17, 0, 16, height, hwnd, 1, wndPtr->hInstance, NULL);
ShowWindow(lphl->hWndScroll, SW_HIDE);
SetScrollRange(lphl->hWndScroll, WM_VSCROLL, 1, lphl->ItemsCount, TRUE);
return 0;
case WM_DESTROY:
lphl = ListBoxGetStorageHeader(hwnd);
if (lphl == 0) return 0;
ListBoxResetContent(hwnd);
DestroyWindow(lphl->hWndScroll);
free(lphl);
*((LPHEADLIST *)&wndPtr->wExtra[1]) = 0;
#ifdef DEBUG_LISTBOX
printf("ListBox WM_DESTROY %lX !\n", lphl);
#endif
return 0;
case WM_VSCROLL:
lphl = ListBoxGetStorageHeader(hwnd);
if (lphl == NULL) return 0;
y = lphl->FirstVisible;
switch(wParam) {
case SB_LINEUP:
if (lphl->FirstVisible > 1)
lphl->FirstVisible--;
break;
case SB_LINEDOWN:
if (lphl->FirstVisible < lphl->ItemsCount)
lphl->FirstVisible++;
break;
case SB_PAGEUP:
if (lphl->FirstVisible > 1)
lphl->FirstVisible -= lphl->ItemsVisible;
break;
case SB_PAGEDOWN:
if (lphl->FirstVisible < lphl->ItemsCount)
lphl->FirstVisible += lphl->ItemsVisible;
break;
case SB_THUMBTRACK:
lphl->FirstVisible = LOWORD(lParam);
break;
}
if (lphl->FirstVisible < 1) lphl->FirstVisible = 1;
if (lphl->FirstVisible > lphl->ItemsCount)
lphl->FirstVisible = lphl->ItemsCount;
if (y != lphl->FirstVisible) {
SetScrollPos(lphl->hWndScroll, WM_VSCROLL, lphl->FirstVisible, TRUE);
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
}
return 0;
case WM_LBUTTONDOWN:
/*
SetFocus(hwnd);
*/
SetCapture(hwnd);
lphl = ListBoxGetStorageHeader(hwnd);
if (lphl == NULL) return 0;
lphl->PrevSelected = lphl->ItemSelected;
wRet = ListBoxFindMouse(hwnd, LOWORD(lParam), HIWORD(lParam));
ListBoxSetCurSel(hwnd, wRet);
ListBoxGetItemRect(hwnd, wRet, &rectsel);
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
return 0;
case WM_LBUTTONUP:
ReleaseCapture();
lphl = ListBoxGetWindowAndStorage(hwnd, &wndPtr);
if (lphl == NULL) return 0;
if (lphl->PrevSelected != lphl->ItemSelected)
SendMessage(lphl->hWndLogicParent, WM_COMMAND, wndPtr->wIDmenu,
MAKELONG(hwnd, LBN_SELCHANGE));
return 0;
case WM_RBUTTONUP:
case WM_LBUTTONDBLCLK:
lphl = ListBoxGetWindowAndStorage(hwnd, &wndPtr);
if (lphl == NULL) return 0;
SendMessage(lphl->hWndLogicParent, WM_COMMAND, wndPtr->wIDmenu,
MAKELONG(hwnd, LBN_DBLCLK));
printf("ListBox Send LBN_DBLCLK !\n");
return 0;
case WM_KEYDOWN:
printf("ListBox WM_KEYDOWN wParam %X!\n", wParam);
ListBoxFindNextMatch(hwnd, wParam);
break;
case WM_PAINT:
wndPtr = WIN_FindWndPtr(hwnd);
if ((wndPtr->dwStyle & LBS_OWNERDRAWFIXED) == LBS_OWNERDRAWFIXED) {
OwnerDrawListBox(hwnd);
break;
}
if ((wndPtr->dwStyle & LBS_OWNERDRAWVARIABLE) == LBS_OWNERDRAWVARIABLE) {
OwnerDrawListBox(hwnd);
break;
}
StdDrawListBox(hwnd);
break;
case WM_MOUSEMOVE:
if ((wParam & MK_LBUTTON) != 0) {
y = HIWORD(lParam);
if (y < 4) {
lphl = ListBoxGetStorageHeader(hwnd);
if (lphl->FirstVisible > 1) {
lphl->FirstVisible--;
SetScrollPos(lphl->hWndScroll, WM_VSCROLL, lphl->FirstVisible, TRUE);
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
break;
}
}
GetClientRect(hwnd, &rect);
if (y > (rect.bottom - 4)) {
lphl = ListBoxGetStorageHeader(hwnd);
if (lphl->FirstVisible < lphl->ItemsCount) {
lphl->FirstVisible++;
SetScrollPos(lphl->hWndScroll, WM_VSCROLL, lphl->FirstVisible, TRUE);
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
break;
}
}
if ((y > 0) && (y < (rect.bottom - 4))) {
if ((y < rectsel.top) || (y > rectsel.bottom)) {
wRet = ListBoxFindMouse(hwnd, LOWORD(lParam), HIWORD(lParam));
ListBoxSetCurSel(hwnd, wRet);
ListBoxGetItemRect(hwnd, wRet, &rectsel);
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
}
}
}
break;
case LB_RESETCONTENT:
printf("ListBox LB_RESETCONTENT !\n");
ListBoxResetContent(hwnd);
return 0;
case LB_DIR:
printf("ListBox LB_DIR !\n");
wRet = ListBoxDirectory(hwnd, wParam, (LPSTR)lParam);
if (IsWindowVisible(hwnd)) {
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
}
return wRet;
case LB_ADDSTRING:
wRet = ListBoxAddString(hwnd, (LPSTR)lParam);
return wRet;
case LB_GETTEXT:
wRet = ListBoxGetText(hwnd, wParam, (LPSTR)lParam);
printf("ListBox LB_GETTEXT #%u '%s' !\n", wParam, (LPSTR)lParam);
return wRet;
case LB_INSERTSTRING:
wRet = ListBoxInsertString(hwnd, wParam, (LPSTR)lParam);
return wRet;
case LB_DELETESTRING:
printf("ListBox LB_DELETESTRING #%u !\n", wParam);
wRet = ListBoxDeleteString(hwnd, wParam);
return wRet;
case LB_FINDSTRING:
wRet = ListBoxFindString(hwnd, wParam, (LPSTR)lParam);
return wRet;
case LB_GETCARETINDEX:
return wRet;
case LB_GETCOUNT:
lphl = ListBoxGetStorageHeader(hwnd);
return lphl->ItemsCount;
case LB_GETCURSEL:
lphl = ListBoxGetStorageHeader(hwnd);
printf("ListBox LB_GETCURSEL %u !\n", lphl->ItemSelected);
if (lphl->ItemSelected == 0) return LB_ERR;
return lphl->ItemSelected;
case LB_GETHORIZONTALEXTENT:
return wRet;
case LB_GETITEMDATA:
return wRet;
case LB_GETITEMHEIGHT:
return wRet;
case LB_GETITEMRECT:
return wRet;
case LB_GETSEL:
return wRet;
case LB_GETSELCOUNT:
return wRet;
case LB_GETSELITEMS:
return wRet;
case LB_GETTEXTLEN:
return wRet;
case LB_GETTOPINDEX:
return wRet;
case LB_SELECTSTRING:
return wRet;
case LB_SELITEMRANGE:
return wRet;
case LB_SETCARETINDEX:
return wRet;
case LB_SETCOLUMNWIDTH:
return wRet;
case LB_SETHORIZONTALEXTENT:
return wRet;
case LB_SETITEMDATA:
return wRet;
case LB_SETTABSTOPS:
return wRet;
case LB_SETCURSEL:
#ifdef DEBUG_LISTBOX
printf("ListBox LB_SETCURSEL wParam=%x !\n", wParam);
#endif
wRet = ListBoxSetCurSel(hwnd, wParam);
if (IsWindowVisible(hwnd)) {
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
}
return wRet;
case LB_SETSEL:
printf("ListBox LB_SETSEL wParam=%x lParam=%lX !\n", wParam, lParam);
wRet = ListBoxSetSel(hwnd, wParam);
if (IsWindowVisible(hwnd)) {
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
}
return wRet;
case LB_SETTOPINDEX:
printf("ListBox LB_SETTOPINDEX wParam=%x !\n", wParam);
lphl = ListBoxGetStorageHeader(hwnd);
lphl->FirstVisible = wParam;
SetScrollPos(lphl->hWndScroll, WM_VSCROLL, lphl->FirstVisible, TRUE);
if (IsWindowVisible(hwnd)) {
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
}
break;
case LB_SETITEMHEIGHT:
#ifdef DEBUG_LISTBOX
printf("ListBox LB_SETITEMHEIGHT wParam=%x lParam=%lX !\n", wParam, lParam);
#endif
wRet = ListBoxSetItemHeight(hwnd, wParam, lParam);
if (IsWindowVisible(hwnd)) {
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
}
return wRet;
default:
return DefWindowProc( hwnd, message, wParam, lParam );
}
return 0;
}
LPHEADLIST ListBoxGetWindowAndStorage(HWND hwnd, WND **wndPtr)
{
WND *Ptr;
LPHEADLIST lphl;
*(wndPtr) = Ptr = WIN_FindWndPtr(hwnd);
lphl = *((LPHEADLIST *)&Ptr->wExtra[1]);
return lphl;
}
LPHEADLIST ListBoxGetStorageHeader(HWND hwnd)
{
WND *wndPtr;
LPHEADLIST lphl;
wndPtr = WIN_FindWndPtr(hwnd);
lphl = *((LPHEADLIST *)&wndPtr->wExtra[1]);
return lphl;
}
void StdDrawListBox(HWND hwnd)
{
LPHEADLIST lphl;
LPLISTSTRUCT lpls;
PAINTSTRUCT ps;
HBRUSH hBrush;
HWND hWndParent;
HDC hdc;
RECT rect;
UINT i, h, h2;
char C[128];
h = 0;
hdc = BeginPaint( hwnd, &ps );
if (!IsWindowVisible(hwnd)) {
EndPaint( hwnd, &ps );
return;
}
GetClientRect(hwnd, &rect);
lphl = ListBoxGetStorageHeader(hwnd);
if (lphl == NULL) goto EndOfPaint;
hBrush = SendMessage(lphl->hWndLogicParent, WM_CTLCOLOR, (WORD)hdc,
MAKELONG(hwnd, CTLCOLOR_LISTBOX));
if (hBrush == (HBRUSH)NULL) hBrush = GetStockObject(WHITE_BRUSH);
if (lphl->ItemsCount > lphl->ItemsVisible) rect.right -= 16;
FillRect(hdc, &rect, hBrush);
if (lphl->ItemsCount == 0) goto EndOfPaint;
lpls = lphl->lpFirst;
if (lpls == NULL) goto EndOfPaint;
lphl->ItemsVisible = 0;
for(i = 1; i <= lphl->ItemsCount; i++) {
if (i >= lphl->FirstVisible) {
h2 = lpls->dis.rcItem.bottom - lpls->dis.rcItem.top;
lpls->dis.rcItem.top = h;
lpls->dis.rcItem.bottom = h + h2;
lpls->dis.rcItem.right = rect.right;
TextOut(hdc, 5, h + 2, (char *)lpls->dis.itemData,
strlen((char *)lpls->dis.itemData));
if (lpls->dis.itemState != 0) {
InvertRect(hdc, &lpls->dis.rcItem);
}
h += h2;
lphl->ItemsVisible++;
if (h > rect.bottom) break;
}
if (lpls->lpNext == NULL) goto EndOfPaint;
lpls = (LPLISTSTRUCT)lpls->lpNext;
}
EndOfPaint:
EndPaint( hwnd, &ps );
if (lphl->ItemsCount > lphl->ItemsVisible) {
InvalidateRect(lphl->hWndScroll, NULL, TRUE);
UpdateWindow(lphl->hWndScroll);
}
}
void OwnerDrawListBox(HWND hwnd)
{
LPHEADLIST lphl;
LPLISTSTRUCT lpls;
PAINTSTRUCT ps;
HBRUSH hBrush;
HWND hWndParent;
HDC hdc;
RECT rect;
UINT i, h, h2;
char C[128];
h = 0;
hdc = BeginPaint( hwnd, &ps );
if (!IsWindowVisible(hwnd)) {
EndPaint( hwnd, &ps );
return;
}
GetClientRect(hwnd, &rect);
lphl = ListBoxGetStorageHeader(hwnd);
if (lphl == NULL) goto EndOfPaint;
hBrush = SendMessage(lphl->hWndLogicParent, WM_CTLCOLOR, (WORD)hdc,
MAKELONG(hwnd, CTLCOLOR_LISTBOX));
if (hBrush == (HBRUSH)NULL) hBrush = GetStockObject(WHITE_BRUSH);
if (lphl->ItemsCount > lphl->ItemsVisible) rect.right -= 16;
FillRect(hdc, &rect, hBrush);
if (lphl->ItemsCount == 0) goto EndOfPaint;
lpls = lphl->lpFirst;
if (lpls == NULL) goto EndOfPaint;
lphl->ItemsVisible = 0;
for(i = 1; i <= lphl->ItemsCount; i++) {
if (i >= lphl->FirstVisible) {
lpls->dis.hDC = hdc;
lpls->dis.itemID = i;
h2 = lpls->dis.rcItem.bottom - lpls->dis.rcItem.top;
lpls->dis.rcItem.top = h;
lpls->dis.rcItem.bottom = h + h2;
lpls->dis.rcItem.right = rect.right;
lpls->dis.itemAction = ODA_DRAWENTIRE;
if (lpls->dis.itemState != 0) {
lpls->dis.itemAction |= ODA_SELECT;
}
#ifdef DEBUT_LISTBOX
printf("LBOX WM_DRAWITEM #%d left=%d top=%d right=%d bottom=%d !\n",
i, lpls->dis.rcItem.left, lpls->dis.rcItem.top,
lpls->dis.rcItem.right, lpls->dis.rcItem.bottom);
printf("LBOX WM_DRAWITEM Parent=%X &dis=%lX CtlID=%u !\n",
hWndParent, (LONG)&lpls->dis, lpls->dis.CtlID);
printf("LBOX WM_DRAWITEM '%s' !\n", lpls->dis.itemData);
#endif
SendMessage(lphl->hWndLogicParent, WM_DRAWITEM, i, (LPARAM)&lpls->dis);
if (lpls->dis.itemState != 0) {
InvertRect(hdc, &lpls->dis.rcItem);
}
h += h2;
lphl->ItemsVisible++;
if (h > rect.bottom) break;
}
if (lpls->lpNext == NULL) goto EndOfPaint;
lpls = (LPLISTSTRUCT)lpls->lpNext;
}
EndOfPaint:
EndPaint( hwnd, &ps );
if (lphl->ItemsCount > lphl->ItemsVisible) {
InvalidateRect(lphl->hWndScroll, NULL, TRUE);
UpdateWindow(lphl->hWndScroll);
}
}
int ListBoxFindMouse(HWND hwnd, int X, int Y)
{
LPHEADLIST lphl;
LPLISTSTRUCT lpls;
RECT rect;
UINT i, h, h2;
char C[128];
h = 0;
lphl = ListBoxGetStorageHeader(hwnd);
if (lphl == NULL) return LB_ERR;
if (lphl->ItemsCount == 0) return LB_ERR;
lpls = lphl->lpFirst;
if (lpls == NULL) return LB_ERR;
for(i = 1; i <= lphl->ItemsCount; i++) {
if (i >= lphl->FirstVisible) {
h2 = h;
h += lpls->dis.rcItem.bottom - lpls->dis.rcItem.top;
if ((Y > h2) && (Y < h)) return(i);
}
if (lpls->lpNext == NULL) return LB_ERR;
lpls = (LPLISTSTRUCT)lpls->lpNext;
}
return(LB_ERR);
}
int CreateListBoxStruct(HWND hwnd)
{
WND *wndPtr;
LPHEADLIST lphl;
wndPtr = WIN_FindWndPtr(hwnd);
lphl = (LPHEADLIST)malloc(sizeof(HEADLIST));
lphl->lpFirst = NULL;
*((LPHEADLIST *)&wndPtr->wExtra[1]) = lphl; /* HEAD of List */
lphl->ItemsCount = 0;
lphl->ItemsVisible = 0;
lphl->FirstVisible = 1;
lphl->StdItemHeight = 15;
lphl->DrawCtlType = ODT_LISTBOX;
return TRUE;
}
int ListBoxAddString(HWND hwnd, LPSTR newstr)
{
WND *wndPtr;
LPHEADLIST lphl;
LPLISTSTRUCT lpls, lplsnew;
HANDLE hTemp;
LPSTR str;
lphl = ListBoxGetWindowAndStorage(hwnd, &wndPtr);
if (lphl == NULL) return LB_ERR;
hTemp = USER_HEAP_ALLOC(GMEM_MOVEABLE, sizeof(LISTSTRUCT));
lplsnew = (LPLISTSTRUCT) USER_HEAP_ADDR(hTemp);
lpls = lphl->lpFirst;
if (lpls != NULL) {
while(lpls->lpNext != NULL) {
lpls = (LPLISTSTRUCT)lpls->lpNext;
}
lpls->lpNext = lplsnew;
}
else
lphl->lpFirst = lplsnew;
lphl->ItemsCount++;
#ifdef DEBUG_LISTBOX
printf("Items Count = %u\n", lphl->ItemsCount);
#endif
hTemp = 0;
if ((wndPtr->dwStyle & LBS_HASSTRINGS) != LBS_HASSTRINGS) {
if (((wndPtr->dwStyle & LBS_OWNERDRAWFIXED) != LBS_OWNERDRAWFIXED) &&
((wndPtr->dwStyle & LBS_OWNERDRAWVARIABLE) != LBS_OWNERDRAWVARIABLE)) {
hTemp = USER_HEAP_ALLOC(GMEM_MOVEABLE, strlen(newstr) + 1);
str = (LPSTR)USER_HEAP_ADDR(hTemp);
if (str == NULL) return LB_ERRSPACE;
strcpy(str, newstr);
newstr = str;
}
}
ListBoxDefaultItem(hwnd, wndPtr, lphl, lplsnew);
lplsnew->hMem = hTemp;
lplsnew->lpNext = NULL;
lplsnew->dis.itemID = lphl->ItemsCount;
lplsnew->dis.itemData = (DWORD)newstr;
lplsnew->hData = hTemp;
SetScrollRange(lphl->hWndScroll, WM_VSCROLL, 1, lphl->ItemsCount,
(lphl->FirstVisible != 1));
if (lphl->FirstVisible >= (lphl->ItemsCount - lphl->ItemsVisible)) {
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
}
if ((lphl->ItemsCount - lphl->FirstVisible) == lphl->ItemsVisible)
ShowWindow(lphl->hWndScroll, SW_NORMAL);
return lphl->ItemsCount;
}
int ListBoxInsertString(HWND hwnd, UINT uIndex, LPSTR newstr)
{
WND *wndPtr;
LPHEADLIST lphl;
LPLISTSTRUCT lpls, lplsnew;
HANDLE hTemp;
LPSTR str;
UINT Count;
lphl = ListBoxGetWindowAndStorage(hwnd, &wndPtr);
if (lphl == NULL) return LB_ERR;
if (uIndex < 1 || uIndex > lphl->ItemsCount) return LB_ERR;
lpls = lphl->lpFirst;
if (lpls == NULL) return LB_ERR;
if (uIndex > lphl->ItemsCount) return LB_ERR;
for(Count = 1; Count < uIndex; Count++) {
if (lpls->lpNext == NULL) return LB_ERR;
lpls = (LPLISTSTRUCT)lpls->lpNext;
}
hTemp = USER_HEAP_ALLOC(GMEM_MOVEABLE, sizeof(LISTSTRUCT));
lplsnew = (LPLISTSTRUCT) USER_HEAP_ADDR(hTemp);
ListBoxDefaultItem(hwnd, wndPtr, lphl, lplsnew);
lplsnew->hMem = hTemp;
lpls->lpNext = lplsnew;
lphl->ItemsCount++;
hTemp = 0;
if ((wndPtr->dwStyle & LBS_HASSTRINGS) != LBS_HASSTRINGS) {
if (((wndPtr->dwStyle & LBS_OWNERDRAWFIXED) != LBS_OWNERDRAWFIXED) &&
((wndPtr->dwStyle & LBS_OWNERDRAWVARIABLE) != LBS_OWNERDRAWVARIABLE)) {
hTemp = USER_HEAP_ALLOC(GMEM_MOVEABLE, strlen(newstr) + 1);
str = (LPSTR)USER_HEAP_ADDR(hTemp);
if (str == NULL) return LB_ERRSPACE;
strcpy(str, newstr);
newstr = str;
}
}
lplsnew->lpNext = NULL;
lplsnew->dis.itemID = lphl->ItemsCount;
lplsnew->dis.itemData = (DWORD)newstr;
lplsnew->hData = hTemp;
SetScrollRange(lphl->hWndScroll, WM_VSCROLL, 1, lphl->ItemsCount,
(lphl->FirstVisible != 1));
if (((lphl->ItemsCount - lphl->FirstVisible) == lphl->ItemsVisible) &&
(lphl->ItemsVisible != 0))
ShowWindow(lphl->hWndScroll, SW_NORMAL);
if ((lphl->FirstVisible <= uIndex) &&
((lphl->FirstVisible + lphl->ItemsVisible) >= uIndex)) {
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
}
return lphl->ItemsCount;
}
int ListBoxGetText(HWND hwnd, UINT uIndex, LPSTR OutStr)
{
WND *wndPtr;
LPHEADLIST lphl;
LPLISTSTRUCT lpls;
UINT Count;
lphl = ListBoxGetWindowAndStorage(hwnd, &wndPtr);
if (lphl == NULL) return LB_ERR;
if (uIndex < 1 || uIndex > lphl->ItemsCount) return LB_ERR;
lpls = lphl->lpFirst;
if (lpls == NULL) return LB_ERR;
if (uIndex > lphl->ItemsCount) return LB_ERR;
for(Count = 1; Count < uIndex; Count++) {
if (lpls->lpNext == NULL) return LB_ERR;
lpls = (LPLISTSTRUCT)lpls->lpNext;
}
if (((wndPtr->dwStyle & LBS_OWNERDRAWFIXED) == LBS_OWNERDRAWFIXED) ||
((wndPtr->dwStyle & LBS_OWNERDRAWVARIABLE) == LBS_OWNERDRAWVARIABLE)) {
if ((wndPtr->dwStyle & LBS_HASSTRINGS) != LBS_HASSTRINGS) {
*((long *)OutStr) = lpls->dis.itemData;
return 4;
}
}
strcpy(OutStr, (char *)lpls->dis.itemData);
return strlen(OutStr);
}
int ListBoxDeleteString(HWND hwnd, UINT uIndex)
{
LPHEADLIST lphl;
LPLISTSTRUCT lpls, lpls2;
UINT Count;
lphl = ListBoxGetStorageHeader(hwnd);
if (lphl == NULL) return LB_ERR;
if (uIndex < 1 || uIndex > lphl->ItemsCount) return LB_ERR;
lpls = lphl->lpFirst;
if (lpls == NULL) return LB_ERR;
if (uIndex > lphl->ItemsCount) return LB_ERR;
for(Count = 1; Count < uIndex; Count++) {
if (lpls->lpNext == NULL) return LB_ERR;
lpls2 = lpls;
lpls = (LPLISTSTRUCT)lpls->lpNext;
}
lpls2->lpNext = (LPLISTSTRUCT)lpls->lpNext;
lphl->ItemsCount--;
if (lpls->hData != 0) USER_HEAP_FREE(lpls->hData);
if (lpls->hMem != 0) USER_HEAP_FREE(lpls->hMem);
SetScrollRange(lphl->hWndScroll, WM_VSCROLL, 1, lphl->ItemsCount, TRUE);
if (lphl->ItemsCount < lphl->ItemsVisible)
ShowWindow(lphl->hWndScroll, SW_HIDE);
if ((lphl->FirstVisible <= uIndex) &&
((lphl->FirstVisible + lphl->ItemsVisible) >= uIndex)) {
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
}
return lphl->ItemsCount;
}
int ListBoxFindString(HWND hwnd, UINT nFirst, LPSTR MatchStr)
{
LPHEADLIST lphl;
LPLISTSTRUCT lpls;
UINT Count;
lphl = ListBoxGetStorageHeader(hwnd);
if (lphl == NULL) return LB_ERR;
if (nFirst < 1 || nFirst > lphl->ItemsCount) return LB_ERR;
lpls = lphl->lpFirst;
if (lpls == NULL) return LB_ERR;
Count = 1;
while(lpls != NULL) {
if (strcmp((char *)lpls->dis.itemData, MatchStr) == 0)
return Count;
lpls = (LPLISTSTRUCT)lpls->lpNext;
Count++;
}
return LB_ERR;
}
int ListBoxResetContent(HWND hwnd)
{
WND *wndPtr;
LPHEADLIST lphl;
LPLISTSTRUCT lpls, lpls2;
UINT i;
lphl = ListBoxGetWindowAndStorage(hwnd, &wndPtr);
if (lphl == NULL) return LB_ERR;
lpls = lphl->lpFirst;
if (lpls == NULL) return LB_ERR;
for(i = 0; i <= lphl->ItemsCount; i++) {
lpls2 = lpls;
lpls = (LPLISTSTRUCT)lpls->lpNext;
if (i != 0) {
#ifdef DEBUG_LISTBOX
printf("ResetContent #%u\n", i);
#endif
if (lpls2->hData != 0) USER_HEAP_FREE(lpls->hData);
if (lpls2->hMem != 0) USER_HEAP_FREE(lpls->hMem);
}
if (lpls == NULL) break;
}
lphl->lpFirst = NULL;
lphl->FirstVisible = 1;
lphl->ItemsCount = 0;
lphl->ItemSelected = 0;
lphl->PrevSelected = 0;
if ((wndPtr->dwStyle && LBS_NOTIFY) != 0)
SendMessage(wndPtr->hwndParent, WM_COMMAND,
wndPtr->wIDmenu, MAKELONG(hwnd, LBN_SELCHANGE));
SetScrollRange(lphl->hWndScroll, WM_VSCROLL, 1, lphl->ItemsCount, TRUE);
ShowWindow(lphl->hWndScroll, SW_HIDE);
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
return TRUE;
}
int ListBoxSetCurSel(HWND hwnd, WORD wIndex)
{
WND *wndPtr;
LPHEADLIST lphl;
LPLISTSTRUCT lpls, lpls2;
UINT i;
lphl = ListBoxGetWindowAndStorage(hwnd, &wndPtr);
if (lphl == NULL) return LB_ERR;
lphl->ItemSelected = LB_ERR;
if (wIndex < 0 || wIndex >= lphl->ItemsCount) return LB_ERR;
lpls = lphl->lpFirst;
if (lpls == NULL) return LB_ERR;
for(i = 0; i < lphl->ItemsCount; i++) {
lpls2 = lpls;
lpls = (LPLISTSTRUCT)lpls->lpNext;
if (i == wIndex)
lpls2->dis.itemState = 1;
else
if (lpls2->dis.itemState != 0)
lpls2->dis.itemState = 0;
if (lpls == NULL) break;
}
lphl->ItemSelected = wIndex;
if ((wndPtr->dwStyle && LBS_NOTIFY) != 0)
SendMessage(wndPtr->hwndParent, WM_COMMAND,
wndPtr->wIDmenu, MAKELONG(hwnd, LBN_SELCHANGE));
return LB_ERR;
}
int ListBoxSetSel(HWND hwnd, WORD wIndex)
{
LPHEADLIST lphl;
LPLISTSTRUCT lpls, lpls2;
UINT i;
lphl = ListBoxGetStorageHeader(hwnd);
if (lphl == NULL) return LB_ERR;
if (wIndex < 0 || wIndex >= lphl->ItemsCount) return LB_ERR;
lpls = lphl->lpFirst;
if (lpls == NULL) return LB_ERR;
for(i = 0; i < lphl->ItemsCount; i++) {
lpls2 = lpls;
lpls = (LPLISTSTRUCT)lpls->lpNext;
if (i == wIndex) {
lpls2->dis.itemState = 1;
break;
}
if (lpls == NULL) break;
}
return LB_ERR;
}
int ListBoxDirectory(HWND hwnd, UINT attrib, LPSTR filespec)
{
DIR *dirp;
struct dirent *dp;
struct stat st;
char str[128];
int wRet;
dirp = opendir(".");
while ( (dp = readdir(dirp)) != NULL)
{
stat(dp->d_name, &st);
#ifdef DEBUG_LBDIR
printf("LB_DIR : st_mode=%lX / d_name='%s'\n", st.st_mode, dp->d_name);
#endif
if S_ISDIR(st.st_mode) {
sprintf(str, "[%s]", dp->d_name);
}
else
strcpy(str, dp->d_name);
wRet = ListBoxAddString(hwnd, str);
if (wRet == LB_ERR) break;
}
closedir(dirp);
return wRet;
}
int ListBoxGetItemRect(HWND hwnd, WORD wIndex, LPRECT lprect)
{
LPHEADLIST lphl;
LPLISTSTRUCT lpls, lpls2;
UINT i;
lphl = ListBoxGetStorageHeader(hwnd);
if (lphl == NULL) return LB_ERR;
if (wIndex < 1 || wIndex > lphl->ItemsCount) return LB_ERR;
lpls = lphl->lpFirst;
if (lpls == NULL) return LB_ERR;
for(i = 0; i <= lphl->ItemsCount; i++) {
lpls2 = lpls;
lpls = (LPLISTSTRUCT)lpls->lpNext;
if (i == wIndex) {
*(lprect) = lpls2->dis.rcItem;
break;
}
if (lpls == NULL) break;
}
return LB_ERR;
}
int ListBoxSetItemHeight(HWND hwnd, WORD wIndex, long height)
{
LPHEADLIST lphl;
LPLISTSTRUCT lpls, lpls2;
UINT i;
lphl = ListBoxGetStorageHeader(hwnd);
if (lphl == NULL) return LB_ERR;
if (wIndex < 1 || wIndex > lphl->ItemsCount) return LB_ERR;
lpls = lphl->lpFirst;
if (lpls == NULL) return LB_ERR;
for(i = 0; i <= lphl->ItemsCount; i++) {
lpls2 = lpls;
lpls = (LPLISTSTRUCT)lpls->lpNext;
if (i == wIndex) {
lpls2->dis.rcItem.bottom = lpls2->dis.rcItem.top + (short)height;
break;
}
if (lpls == NULL) break;
}
return LB_ERR;
}
int ListBoxDefaultItem(HWND hwnd, WND *wndPtr,
LPHEADLIST lphl, LPLISTSTRUCT lpls)
{
RECT rect;
GetClientRect(hwnd, &rect);
SetRect(&lpls->dis.rcItem, 0, 0, rect.right, lphl->StdItemHeight);
lpls->dis.CtlType = lphl->DrawCtlType;
lpls->dis.CtlID = wndPtr->wIDmenu;
lpls->dis.itemID = 0;
lpls->dis.itemAction = 0;
lpls->dis.itemState = 0;
lpls->dis.hwndItem = hwnd;
lpls->dis.hDC = 0;
lpls->dis.itemData = 0;
}
int ListBoxFindNextMatch(HWND hwnd, WORD wChar)
{
WND *wndPtr;
LPHEADLIST lphl;
LPLISTSTRUCT lpls;
UINT Count;
lphl = ListBoxGetWindowAndStorage(hwnd, &wndPtr);
if (lphl == NULL) return LB_ERR;
lpls = lphl->lpFirst;
if (lpls == NULL) return LB_ERR;
if (wChar < ' ') return LB_ERR;
if (((wndPtr->dwStyle & LBS_OWNERDRAWFIXED) == LBS_OWNERDRAWFIXED) ||
((wndPtr->dwStyle & LBS_OWNERDRAWVARIABLE) == LBS_OWNERDRAWVARIABLE)) {
if ((wndPtr->dwStyle & LBS_HASSTRINGS) != LBS_HASSTRINGS) {
return LB_ERR;
}
}
Count = 1;
while(lpls != NULL) {
if (Count > lphl->ItemSelected) {
if (*((char *)lpls->dis.itemData) == (char)wChar) {
lphl->FirstVisible = Count - lphl->ItemsVisible / 2;
if (lphl->FirstVisible < 1) lphl->FirstVisible = 1;
ListBoxSetCurSel(hwnd, Count);
SetScrollPos(lphl->hWndScroll, WM_VSCROLL, lphl->FirstVisible, TRUE);
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
return Count;
}
}
lpls = (LPLISTSTRUCT)lpls->lpNext;
Count++;
}
Count = 1;
lpls = lphl->lpFirst;
while(lpls != NULL) {
if (*((char *)lpls->dis.itemData) == (char)wChar) {
if (Count == lphl->ItemSelected) return LB_ERR;
lphl->FirstVisible = Count - lphl->ItemsVisible / 2;
if (lphl->FirstVisible < 1) lphl->FirstVisible = 1;
ListBoxSetCurSel(hwnd, Count);
SetScrollPos(lphl->hWndScroll, WM_VSCROLL, lphl->FirstVisible, TRUE);
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
return Count;
}
lpls = (LPLISTSTRUCT)lpls->lpNext;
Count++;
}
return LB_ERR;
}
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