/*
- * ReactOS kernel
- * Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
+ * Listbox controls
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Copyright 1996 Alexandre Julliard
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <user32.h>
+#define NDEBUG
+#include <debug.h>
+
+/* Start of hack section -------------------------------- */
+
+typedef short *LPINT16;
+
+BOOL is_old_app(HWND hwnd)
+{
+ return FALSE;
+}
+
+#define WM_LBTRACKPOINT 0x0131
+#define WS_EX_DRAGDETECT 0x00000002L
+#define WM_BEGINDRAG 0x022C
+
+UINT STDCALL SetSystemTimer(HWND,UINT_PTR,UINT,TIMERPROC);
+BOOL STDCALL KillSystemTimer(HWND,UINT_PTR);
+
+/* End of hack section -------------------------------- */
+
+/* Unimplemented yet:
+ * - LBS_USETABSTOPS
+ * - Locale handling
+ *
+ * Probably needs improvement:
+ * - LBS_NOSEL
+ */
+
+/* Items array granularity */
+#define LB_ARRAY_GRANULARITY 16
+
+/* Scrolling timeout in ms */
+#define LB_SCROLL_TIMEOUT 50
+
+/* Listbox system timer id */
+#define LB_TIMER_ID 2
+
+/* flag listbox changed while setredraw false - internal style */
+#define LBS_DISPLAYCHANGED 0x80000000
+
+/* Item structure */
+typedef struct
+{
+ LPWSTR str; /* Item text */
+ BOOL selected; /* Is item selected? */
+ UINT height; /* Item height (only for OWNERDRAWVARIABLE) */
+ DWORD data; /* User data */
+} LB_ITEMDATA;
+
+/* Listbox structure */
+typedef struct
+{
+ HWND self; /* Our own window handle */
+ HWND owner; /* Owner window to send notifications to */
+ UINT style; /* Window style */
+ INT width; /* Window width */
+ INT height; /* Window height */
+ LB_ITEMDATA *items; /* Array of items */
+ INT nb_items; /* Number of items */
+ INT top_item; /* Top visible item */
+ INT selected_item; /* Selected item */
+ INT focus_item; /* Item that has the focus */
+ INT anchor_item; /* Anchor item for extended selection */
+ INT item_height; /* Default item height */
+ INT page_size; /* Items per listbox page */
+ INT column_width; /* Column width for multi-column listboxes */
+ INT horz_extent; /* Horizontal extent (0 if no hscroll) */
+ INT horz_pos; /* Horizontal position */
+ INT nb_tabs; /* Number of tabs in array */
+ INT *tabs; /* Array of tabs */
+ INT avg_char_width; /* Average width of characters */
+ BOOL caret_on; /* Is caret on? */
+ BOOL captured; /* Is mouse captured? */
+ BOOL in_focus;
+ HFONT font; /* Current font */
+ LCID locale; /* Current locale for string comparisons */
+ LPHEADCOMBO lphc; /* ComboLBox */
+} LB_DESCR;
+
+
+#define IS_OWNERDRAW(descr) \
+ ((descr)->style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE))
+
+#define HAS_STRINGS(descr) \
+ (!IS_OWNERDRAW(descr) || ((descr)->style & LBS_HASSTRINGS))
+
+
+#define IS_MULTISELECT(descr) \
+ ((descr)->style & (LBS_MULTIPLESEL|LBS_EXTENDEDSEL) && \
+ !((descr)->style & LBS_NOSEL))
+
+#define SEND_NOTIFICATION(descr,code) \
+ (SendMessageW( (descr)->owner, WM_COMMAND, \
+ MAKEWPARAM( GetWindowLongPtrW((descr->self),GWLP_ID), (code)), (LPARAM)(descr->self) ))
+
+#define ISWIN31 (LOWORD(GetVersion()) == 0x0a03)
+
+/* Current timer status */
+typedef enum
+{
+ LB_TIMER_NONE,
+ LB_TIMER_UP,
+ LB_TIMER_LEFT,
+ LB_TIMER_DOWN,
+ LB_TIMER_RIGHT
+} TIMER_DIRECTION;
+
+static TIMER_DIRECTION LISTBOX_Timer = LB_TIMER_NONE;
+
+static LRESULT WINAPI ListBoxWndProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam );
+static LRESULT WINAPI ListBoxWndProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam );
+
+static LRESULT LISTBOX_GetItemRect( LB_DESCR *descr, INT index, RECT *rect );
+
+/*********************************************************************
+ * listbox class descriptor
+ */
+const struct builtin_class_descr LISTBOX_builtin_class =
+{
+#ifdef __REACTOS__
+ L"ListBox", /* name */
+ CS_DBLCLKS /*| CS_PARENTDC*/, /* style */
+ (WNDPROC)ListBoxWndProcW, /* procW */
+ (WNDPROC)ListBoxWndProcA, /* procA */
+ sizeof(LB_DESCR *), /* extra */
+ (LPCWSTR) IDC_ARROW, /* cursor */
+ 0 /* brush */
+#else
+ "ListBox", /* name */
+ CS_DBLCLKS /*| CS_PARENTDC*/, /* style */
+ ListBoxWndProcA, /* procA */
+ ListBoxWndProcW, /* procW */
+ sizeof(LB_DESCR *), /* extra */
+ IDC_ARROW, /* cursor */
+ 0 /* brush */
+#endif
+};
+
+
+/*********************************************************************
+ * combolbox class descriptor
+ */
+const struct builtin_class_descr COMBOLBOX_builtin_class =
+{
+#ifdef __REACTOS__
+ L"ComboLBox", /* name */
+ CS_DBLCLKS | CS_SAVEBITS, /* style */
+ (WNDPROC)ListBoxWndProcW, /* procW */
+ (WNDPROC)ListBoxWndProcA, /* procA */
+ sizeof(LB_DESCR *), /* extra */
+ (LPCWSTR) IDC_ARROW, /* cursor */
+ 0 /* brush */
+#else
+ "ComboLBox", /* name */
+ CS_DBLCLKS | CS_SAVEBITS, /* style */
+ ListBoxWndProcA, /* procA */
+ ListBoxWndProcW, /* procW */
+ sizeof(LB_DESCR *), /* extra */
+ IDC_ARROW, /* cursor */
+ 0 /* brush */
+#endif
+};
+
+#ifndef __REACTOS__
+/* check whether app is a Win 3.1 app */
+inline static BOOL is_old_app( HWND hwnd )
+{
+ return (GetExpWinVer16( GetWindowLongA(hwnd,GWL_HINSTANCE) ) & 0xFF00 ) == 0x0300;
+}
+#endif
+
+
+/***********************************************************************
+ * LISTBOX_Dump
+ */
+void LISTBOX_Dump( HWND hwnd )
+{
+ INT i;
+ LB_ITEMDATA *item;
+ LB_DESCR *descr = (LB_DESCR *)GetWindowLongA( hwnd, 0 );
+
+ TRACE( "Listbox:\n" );
+ TRACE( "hwnd=%p descr=%08x items=%d top=%d\n",
+ hwnd, (UINT)descr, descr->nb_items, descr->top_item );
+ for (i = 0, item = descr->items; i < descr->nb_items; i++, item++)
+ {
+ TRACE( "%4d: %-40s %d %08lx %3d\n",
+ i, debugstr_w(item->str), item->selected, item->data, item->height );
+ }
+}
+
+
+/***********************************************************************
+ * LISTBOX_GetCurrentPageSize
+ *
+ * Return the current page size
+ */
+static INT LISTBOX_GetCurrentPageSize( LB_DESCR *descr )
+{
+ INT i, height;
+ if (!(descr->style & LBS_OWNERDRAWVARIABLE)) return descr->page_size;
+ for (i = descr->top_item, height = 0; i < descr->nb_items; i++)
+ {
+ if ((height += descr->items[i].height) > descr->height) break;
+ }
+ if (i == descr->top_item) return 1;
+ else return i - descr->top_item;
+}
+
+
+/***********************************************************************
+ * LISTBOX_GetMaxTopIndex
+ *
+ * Return the maximum possible index for the top of the listbox.
+ */
+static INT LISTBOX_GetMaxTopIndex( LB_DESCR *descr )
+{
+ INT max, page;
+
+ if (descr->style & LBS_OWNERDRAWVARIABLE)
+ {
+ page = descr->height;
+ for (max = descr->nb_items - 1; max >= 0; max--)
+ if ((page -= descr->items[max].height) < 0) break;
+ if (max < descr->nb_items - 1) max++;
+ }
+ else if (descr->style & LBS_MULTICOLUMN)
+ {
+ if ((page = descr->width / descr->column_width) < 1) page = 1;
+ max = (descr->nb_items + descr->page_size - 1) / descr->page_size;
+ max = (max - page) * descr->page_size;
+ }
+ else
+ {
+ max = descr->nb_items - descr->page_size;
+ }
+ if (max < 0) max = 0;
+ return max;
+}
+
+
+/***********************************************************************
+ * LISTBOX_UpdateScroll
+ *
+ * Update the scrollbars. Should be called whenever the content
+ * of the listbox changes.
+ */
+static void LISTBOX_UpdateScroll( LB_DESCR *descr )
+{
+ SCROLLINFO info;
+
+ /* Check the listbox scroll bar flags individually before we call
+ SetScrollInfo otherwise when the listbox style is WS_HSCROLL and
+ no WS_VSCROLL, we end up with an uninitialized, visible horizontal
+ scroll bar when we do not need one.
+ if (!(descr->style & WS_VSCROLL)) return;
+ */
+
+ /* It is important that we check descr->style, and not wnd->dwStyle,
+ for WS_VSCROLL, as the former is exactly the one passed in
+ argument to CreateWindow.
+ In Windows (and from now on in Wine :) a listbox created
+ with such a style (no WS_SCROLL) does not update
+ the scrollbar with listbox-related data, thus letting
+ the programmer use it for his/her own purposes. */
+
+ if (descr->style & LBS_NOREDRAW) return;
+ info.cbSize = sizeof(info);
+
+ if (descr->style & LBS_MULTICOLUMN)
+ {
+ info.nMin = 0;
+ info.nMax = (descr->nb_items - 1) / descr->page_size;
+ info.nPos = descr->top_item / descr->page_size;
+ info.nPage = descr->width / descr->column_width;
+ if (info.nPage < 1) info.nPage = 1;
+ info.fMask = SIF_RANGE | SIF_POS | SIF_PAGE;
+ if (descr->style & LBS_DISABLENOSCROLL)
+ info.fMask |= SIF_DISABLENOSCROLL;
+ if (descr->style & WS_HSCROLL)
+ SetScrollInfo( descr->self, SB_HORZ, &info, TRUE );
+ info.nMax = 0;
+ info.fMask = SIF_RANGE;
+ if (descr->style & WS_VSCROLL)
+ SetScrollInfo( descr->self, SB_VERT, &info, TRUE );
+ }
+ else
+ {
+ info.nMin = 0;
+ info.nMax = descr->nb_items - 1;
+ info.nPos = descr->top_item;
+ info.nPage = LISTBOX_GetCurrentPageSize( descr );
+ info.fMask = SIF_RANGE | SIF_POS | SIF_PAGE;
+ if (descr->style & LBS_DISABLENOSCROLL)
+ info.fMask |= SIF_DISABLENOSCROLL;
+ if (descr->style & WS_VSCROLL)
+ SetScrollInfo( descr->self, SB_VERT, &info, TRUE );
+
+ if (descr->horz_extent)
+ {
+ info.nMin = 0;
+ info.nMax = descr->horz_extent - 1;
+ info.nPos = descr->horz_pos;
+ info.nPage = descr->width;
+ info.fMask = SIF_RANGE | SIF_POS | SIF_PAGE;
+ if (descr->style & LBS_DISABLENOSCROLL)
+ info.fMask |= SIF_DISABLENOSCROLL;
+ if (descr->style & WS_HSCROLL)
+ SetScrollInfo( descr->self, SB_HORZ, &info, TRUE );
+ }
+ }
+}
+
+
+/***********************************************************************
+ * LISTBOX_SetTopItem
+ *
+ * Set the top item of the listbox, scrolling up or down if necessary.
+ */
+static LRESULT LISTBOX_SetTopItem( LB_DESCR *descr, INT index,
+ BOOL scroll )
+{
+ INT max = LISTBOX_GetMaxTopIndex( descr );
+ if (index > max) index = max;
+ if (index < 0) index = 0;
+ if (descr->style & LBS_MULTICOLUMN) index -= index % descr->page_size;
+ if (descr->top_item == index) return LB_OKAY;
+ if (descr->style & LBS_MULTICOLUMN)
+ {
+ INT diff = (descr->top_item - index) / descr->page_size * descr->column_width;
+ if (scroll && (abs(diff) < descr->width))
+ ScrollWindowEx( descr->self, diff, 0, NULL, NULL, 0, NULL,
+ SW_INVALIDATE | SW_ERASE | SW_SCROLLCHILDREN );
+
+ else
+ scroll = FALSE;
+ }
+ else if (scroll)
+ {
+ INT diff;
+ if (descr->style & LBS_OWNERDRAWVARIABLE)
+ {
+ INT i;
+ diff = 0;
+ if (index > descr->top_item)
+ {
+ for (i = index - 1; i >= descr->top_item; i--)
+ diff -= descr->items[i].height;
+ }
+ else
+ {
+ for (i = index; i < descr->top_item; i++)
+ diff += descr->items[i].height;
+ }
+ }
+ else
+ diff = (descr->top_item - index) * descr->item_height;
+
+ if (abs(diff) < descr->height)
+ ScrollWindowEx( descr->self, 0, diff, NULL, NULL, 0, NULL,
+ SW_INVALIDATE | SW_ERASE | SW_SCROLLCHILDREN );
+ else
+ scroll = FALSE;
+ }
+ if (!scroll) InvalidateRect( descr->self, NULL, TRUE );
+ descr->top_item = index;
+ LISTBOX_UpdateScroll( descr );
+ return LB_OKAY;
+}
+
+
+/***********************************************************************
+ * LISTBOX_UpdatePage
+ *
+ * Update the page size. Should be called when the size of
+ * the client area or the item height changes.
+ */
+static void LISTBOX_UpdatePage( LB_DESCR *descr )
+{
+ INT page_size;
+
+ if ((descr->item_height == 0) || (page_size = descr->height / descr->item_height) < 1)
+ page_size = 1;
+ if (page_size == descr->page_size) return;
+ descr->page_size = page_size;
+ if (descr->style & LBS_MULTICOLUMN)
+ InvalidateRect( descr->self, NULL, TRUE );
+ LISTBOX_SetTopItem( descr, descr->top_item, FALSE );
+}
+
+
+/***********************************************************************
+ * LISTBOX_UpdateSize
+ *
+ * Update the size of the listbox. Should be called when the size of
+ * the client area changes.
+ */
+static void LISTBOX_UpdateSize( LB_DESCR *descr )
+{
+ RECT rect;
+
+ GetClientRect( descr->self, &rect );
+ descr->width = rect.right - rect.left;
+ descr->height = rect.bottom - rect.top;
+ if (!(descr->style & LBS_NOINTEGRALHEIGHT) && !(descr->style & LBS_OWNERDRAWVARIABLE))
+ {
+ INT remaining;
+ RECT rect;
+
+ GetWindowRect( descr->self, &rect );
+ if(descr->item_height != 0)
+ remaining = descr->height % descr->item_height;
+ else
+ remaining = 0;
+ if ((descr->height > descr->item_height) && remaining)
+ {
+#ifndef __REACTOS__
+ if (is_old_app(hwnd))
+ { /* give a margin for error to 16 bits programs - if we need
+ less than the height of the nonclient area, round to the
+ *next* number of items */
+ int ncheight = rect.bottom - rect.top - descr->height;
+ if ((descr->item_height - remaining) <= ncheight)
+ remaining = remaining - descr->item_height;
+ }
+#endif
+ TRACE("[%p]: changing height %d -> %d\n",
+ descr->self, descr->height, descr->height - remaining );
+ SetWindowPos( descr->self, 0, 0, 0, rect.right - rect.left,
+ rect.bottom - rect.top - remaining,
+ SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOMOVE );
+ return;
+ }
+ }
+ TRACE("[%p]: new size = %d,%d\n", descr->self, descr->width, descr->height );
+ LISTBOX_UpdatePage( descr );
+ LISTBOX_UpdateScroll( descr );
+
+ /* Invalidate the focused item so it will be repainted correctly */
+ if (LISTBOX_GetItemRect( descr, descr->focus_item, &rect ) == 1)
+ {
+ InvalidateRect( descr->self, &rect, FALSE );
+ }
+}
+
+
+/***********************************************************************
+ * LISTBOX_GetItemRect
+ *
+ * Get the rectangle enclosing an item, in listbox client coordinates.
+ * Return 1 if the rectangle is (partially) visible, 0 if hidden, -1 on error.
+ */
+static LRESULT LISTBOX_GetItemRect( LB_DESCR *descr, INT index, RECT *rect )
+{
+ /* Index <= 0 is legal even on empty listboxes */
+ if (index && (index >= descr->nb_items))
+ {
+ memset(rect, 0, sizeof(*rect));
+ SetLastError(ERROR_INVALID_INDEX);
+ return LB_ERR;
+ }
+ SetRect( rect, 0, 0, descr->width, descr->height );
+ if (descr->style & LBS_MULTICOLUMN)
+ {
+ INT col = (index / descr->page_size) -
+ (descr->top_item / descr->page_size);
+ rect->left += col * descr->column_width;
+ rect->right = rect->left + descr->column_width;
+ rect->top += (index % descr->page_size) * descr->item_height;
+ rect->bottom = rect->top + descr->item_height;
+ }
+ else if (descr->style & LBS_OWNERDRAWVARIABLE)
+ {
+ INT i;
+ rect->right += descr->horz_pos;
+ if ((index >= 0) && (index < descr->nb_items))
+ {
+ if (index < descr->top_item)
+ {
+ for (i = descr->top_item-1; i >= index; i--)
+ rect->top -= descr->items[i].height;
+ }
+ else
+ {
+ for (i = descr->top_item; i < index; i++)
+ rect->top += descr->items[i].height;
+ }
+ rect->bottom = rect->top + descr->items[index].height;
+
+ }
+ }
+ else
+ {
+ rect->top += (index - descr->top_item) * descr->item_height;
+ rect->bottom = rect->top + descr->item_height;
+ rect->right += descr->horz_pos;
+ }
+
+ return ((rect->left < descr->width) && (rect->right > 0) &&
+ (rect->top < descr->height) && (rect->bottom > 0));
+}
+
+
+/***********************************************************************
+ * LISTBOX_GetItemFromPoint
+ *
+ * Return the item nearest from point (x,y) (in client coordinates).
+ */
+static INT LISTBOX_GetItemFromPoint( LB_DESCR *descr, INT x, INT y )
+{
+ INT index = descr->top_item;
+
+ if (!descr->nb_items) return -1; /* No items */
+ if (descr->style & LBS_OWNERDRAWVARIABLE)
+ {
+ INT pos = 0;
+ if (y >= 0)
+ {
+ while (index < descr->nb_items)
+ {
+ if ((pos += descr->items[index].height) > y) break;
+ index++;
+ }
+ }
+ else
+ {
+ while (index > 0)
+ {
+ index--;
+ if ((pos -= descr->items[index].height) <= y) break;
+ }
+ }
+ }
+ else if (descr->style & LBS_MULTICOLUMN)
+ {
+ if (y >= descr->item_height * descr->page_size) return -1;
+ if (y >= 0) index += y / descr->item_height;
+ if (x >= 0) index += (x / descr->column_width) * descr->page_size;
+ else index -= (((x + 1) / descr->column_width) - 1) * descr->page_size;
+ }
+ else
+ {
+ index += (y / descr->item_height);
+ }
+ if (index < 0) return 0;
+ if (index >= descr->nb_items) return -1;
+ return index;
+}
+
+
+/***********************************************************************
+ * LISTBOX_PaintItem
+ *
+ * Paint an item.
+ */
+static void LISTBOX_PaintItem( LB_DESCR *descr, HDC hdc,
+ const RECT *rect, INT index, UINT action, BOOL ignoreFocus )
+{
+ LB_ITEMDATA *item = NULL;
+ if (index < descr->nb_items) item = &descr->items[index];
+
+ if (IS_OWNERDRAW(descr))
+ {
+ DRAWITEMSTRUCT dis;
+ RECT r;
+ HRGN hrgn;
+
+ if (!item)
+ {
+ if (action == ODA_FOCUS)
+ DrawFocusRect( hdc, rect );
+ else
+ FIXME("called with an out of bounds index %d(%d) in owner draw, Not good.\n",index,descr->nb_items);
+ return;
+ }
+
+ /* some programs mess with the clipping region when
+ drawing the item, *and* restore the previous region
+ after they are done, so a region has better to exist
+ else everything ends clipped */
+ GetClientRect(descr->self, &r);
+ hrgn = CreateRectRgnIndirect(&r);
+ SelectClipRgn( hdc, hrgn);
+ DeleteObject( hrgn );
+
+ dis.CtlType = ODT_LISTBOX;
+ dis.CtlID = GetWindowLongPtrW( descr->self, GWLP_ID );
+ dis.hwndItem = descr->self;
+ dis.itemAction = action;
+ dis.hDC = hdc;
+ dis.itemID = index;
+ dis.itemState = 0;
+ if (item && item->selected) dis.itemState |= ODS_SELECTED;
+ if (!ignoreFocus && (descr->focus_item == index) &&
+ (descr->caret_on) &&
+ (descr->in_focus)) dis.itemState |= ODS_FOCUS;
+ if (!IsWindowEnabled(descr->self)) dis.itemState |= ODS_DISABLED;
+ dis.itemData = item ? item->data : 0;
+ dis.rcItem = *rect;
+ TRACE("[%p]: drawitem %d (%s) action=%02x state=%02x rect=%ld,%ld-%ld,%ld\n",
+ descr->self, index, item ? debugstr_w(item->str) : "", action,
+ dis.itemState, rect->left, rect->top, rect->right, rect->bottom );
+ SendMessageW(descr->owner, WM_DRAWITEM, dis.CtlID, (LPARAM)&dis);
+ }
+ else
+ {
+ COLORREF oldText = 0, oldBk = 0;
+
+ if (action == ODA_FOCUS)
+ {
+ DrawFocusRect( hdc, rect );
+ return;
+ }
+ if (item && item->selected)
+ {
+ oldBk = SetBkColor( hdc, GetSysColor( COLOR_HIGHLIGHT ) );
+ oldText = SetTextColor( hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
+ }
+
+ TRACE("[%p]: painting %d (%s) action=%02x rect=%ld,%ld-%ld,%ld\n",
+ descr->self, index, item ? debugstr_w(item->str) : "", action,
+ rect->left, rect->top, rect->right, rect->bottom );
+ if (!item)
+ ExtTextOutW( hdc, rect->left + 1, rect->top,
+ ETO_OPAQUE | ETO_CLIPPED, rect, NULL, 0, NULL );
+ else if (!(descr->style & LBS_USETABSTOPS))
+ ExtTextOutW( hdc, rect->left + 1, rect->top,
+ ETO_OPAQUE | ETO_CLIPPED, rect, item->str,
+ strlenW(item->str), NULL );
+ else
+ {
+ /* Output empty string to paint background in the full width. */
+ ExtTextOutW( hdc, rect->left + 1, rect->top,
+ ETO_OPAQUE | ETO_CLIPPED, rect, NULL, 0, NULL );
+ TabbedTextOutW( hdc, rect->left + 1 , rect->top,
+ item->str, strlenW(item->str),
+ descr->nb_tabs, descr->tabs, 0);
+ }
+ if (item && item->selected)
+ {
+ SetBkColor( hdc, oldBk );
+ SetTextColor( hdc, oldText );
+ }
+ if (!ignoreFocus && (descr->focus_item == index) &&
+ (descr->caret_on) &&
+ (descr->in_focus)) DrawFocusRect( hdc, rect );
+ }
+}
+
+
+/***********************************************************************
+ * LISTBOX_SetRedraw
+ *
+ * Change the redraw flag.
+ */
+static void LISTBOX_SetRedraw( LB_DESCR *descr, BOOL on )
+{
+ if (on)
+ {
+ if (!(descr->style & LBS_NOREDRAW)) return;
+ descr->style &= ~LBS_NOREDRAW;
+ if (descr->style & LBS_DISPLAYCHANGED)
+ { /* page was changed while setredraw false, refresh automatically */
+ InvalidateRect(descr->self, NULL, TRUE);
+ if ((descr->top_item + descr->page_size) > descr->nb_items)
+ { /* reset top of page if less than number of items/page */
+ descr->top_item = descr->nb_items - descr->page_size;
+ if (descr->top_item < 0) descr->top_item = 0;
+ }
+ descr->style &= ~LBS_DISPLAYCHANGED;
+ }
+ LISTBOX_UpdateScroll( descr );
+ }
+ else descr->style |= LBS_NOREDRAW;
+}
+
+
+/***********************************************************************
+ * LISTBOX_RepaintItem
+ *
+ * Repaint a single item synchronously.
+ */
+static void LISTBOX_RepaintItem( LB_DESCR *descr, INT index,
+ UINT action )
+{
+ HDC hdc;
+ RECT rect;
+ HFONT oldFont = 0;
+ HBRUSH hbrush, oldBrush = 0;
+
+ /* Do not repaint the item if the item is not visible */
+ if (!IsWindowVisible(descr->self)) return;
+ if (descr->style & LBS_NOREDRAW)
+ {
+ descr->style |= LBS_DISPLAYCHANGED;
+ return;
+ }
+ if (LISTBOX_GetItemRect( descr, index, &rect ) != 1) return;
+ if (!(hdc = GetDCEx( descr->self, 0, DCX_CACHE ))) return;
+ if (descr->font) oldFont = SelectObject( hdc, descr->font );
+ hbrush = (HBRUSH)SendMessageW( descr->owner, WM_CTLCOLORLISTBOX,
+ (WPARAM)hdc, (LPARAM)descr->self );
+ if (hbrush) oldBrush = SelectObject( hdc, hbrush );
+ if (!IsWindowEnabled(descr->self))
+ SetTextColor( hdc, GetSysColor( COLOR_GRAYTEXT ) );
+ SetWindowOrgEx( hdc, descr->horz_pos, 0, NULL );
+ LISTBOX_PaintItem( descr, hdc, &rect, index, action, FALSE );
+ if (oldFont) SelectObject( hdc, oldFont );
+ if (oldBrush) SelectObject( hdc, oldBrush );
+ ReleaseDC( descr->self, hdc );
+}
+
+
+/***********************************************************************
+ * LISTBOX_InitStorage
+ */
+static LRESULT LISTBOX_InitStorage( LB_DESCR *descr, INT nb_items )
+{
+ LB_ITEMDATA *item;
+
+ nb_items += LB_ARRAY_GRANULARITY - 1;
+ nb_items -= (nb_items % LB_ARRAY_GRANULARITY);
+ if (descr->items) {
+ nb_items += HeapSize( GetProcessHeap(), 0, descr->items ) / sizeof(*item);
+ item = HeapReAlloc( GetProcessHeap(), 0, descr->items,
+ nb_items * sizeof(LB_ITEMDATA));
+ }
+ else {
+ item = HeapAlloc( GetProcessHeap(), 0,
+ nb_items * sizeof(LB_ITEMDATA));
+ }
+
+ if (!item)
+ {
+ SEND_NOTIFICATION( descr, LBN_ERRSPACE );
+ return LB_ERRSPACE;
+ }
+ descr->items = item;
+ return LB_OKAY;
+}
+
+
+/***********************************************************************
+ * LISTBOX_SetTabStops
+ */
+static BOOL LISTBOX_SetTabStops( LB_DESCR *descr, INT count,
+ LPINT tabs, BOOL short_ints )
+{
+ INT i;
+
+ if (!(descr->style & LBS_USETABSTOPS))
+ {
+ SetLastError(ERROR_LB_WITHOUT_TABSTOPS);
+ return FALSE;
+ }
+
+ HeapFree( GetProcessHeap(), 0, descr->tabs );
+ if (!(descr->nb_tabs = count))
+ {
+ descr->tabs = NULL;
+ return TRUE;
+ }
+ if (!(descr->tabs = HeapAlloc( GetProcessHeap(), 0,
+ descr->nb_tabs * sizeof(INT) )))
+ return FALSE;
+#ifndef __REACTOS__
+ if (short_ints)
+ {
+ INT i;
+ LPINT16 p = (LPINT16)tabs;
+
+ TRACE("[%p]: settabstops ", hwnd );
+ for (i = 0; i < descr->nb_tabs; i++) {
+ descr->tabs[i] = *p++<<1; /* FIXME */
+ if (TRACE_ON(listbox)) TRACE("%hd ", descr->tabs[i]);
+ }
+ if (TRACE_ON(listbox)) TRACE("\n");
+ }
+ else memcpy( descr->tabs, tabs, descr->nb_tabs * sizeof(INT) );
+#else
+ memcpy( descr->tabs, tabs, descr->nb_tabs * sizeof(INT) );
+#endif
+
+ /* convert into "dialog units"*/
+ for (i = 0; i < descr->nb_tabs; i++)
+ descr->tabs[i] = MulDiv(descr->tabs[i], descr->avg_char_width, 4);
+
+ return TRUE;
+}
+
+
+/***********************************************************************
+ * LISTBOX_GetText
+ */
+static LRESULT LISTBOX_GetText( LB_DESCR *descr, INT index, LPWSTR buffer, BOOL unicode )
+{
+ if ((index < 0) || (index >= descr->nb_items))
+ {
+ SetLastError(ERROR_INVALID_INDEX);
+ return LB_ERR;
+ }
+ if (HAS_STRINGS(descr))
+ {
+ if (!buffer)
+ {
+ DWORD len = strlenW(descr->items[index].str);
+ if( unicode )
+ return len;
+ return WideCharToMultiByte( CP_ACP, 0, descr->items[index].str, len,
+ NULL, 0, NULL, NULL );
+ }
+
+ TRACE("index %d (0x%04x) %s\n", index, index, debugstr_w(descr->items[index].str));
+
+ if(unicode)
+ {
+ strcpyW( buffer, descr->items[index].str );
+ return strlenW(buffer);
+ }
+ else
+ {
+ return WideCharToMultiByte(CP_ACP, 0, descr->items[index].str, -1, (LPSTR)buffer, 0x7FFFFFFF, NULL, NULL) - 1;
+ }
+ } else {
+ if (buffer)
+ *((LPDWORD)buffer)=*(LPDWORD)(&descr->items[index].data);
+ return sizeof(DWORD);
+ }
+}
+
+static inline INT LISTBOX_lstrcmpiW( LCID lcid, LPCWSTR str1, LPCWSTR str2 )
+{
+ INT ret = CompareStringW( lcid, NORM_IGNORECASE, str1, -1, str2, -1 );
+ if (ret == CSTR_LESS_THAN)
+ return -1;
+ if (ret == CSTR_EQUAL)
+ return 0;
+ if (ret == CSTR_GREATER_THAN)
+ return 1;
+ return -1;
+}
+
+/***********************************************************************
+ * LISTBOX_FindStringPos
+ *
+ * Find the nearest string located before a given string in sort order.
+ * If 'exact' is TRUE, return an error if we don't get an exact match.
+ */
+static INT LISTBOX_FindStringPos( LB_DESCR *descr, LPCWSTR str, BOOL exact )
+{
+ INT index, min, max, res = -1;
+
+ if (!(descr->style & LBS_SORT)) return -1; /* Add it at the end */
+ min = 0;
+ max = descr->nb_items;
+ while (min != max)
+ {
+ index = (min + max) / 2;
+ if (HAS_STRINGS(descr))
+ res = LISTBOX_lstrcmpiW( descr->locale, str, descr->items[index].str);
+ else
+ {
+ COMPAREITEMSTRUCT cis;
+ UINT id = (UINT)GetWindowLongPtrW( descr->self, GWLP_ID );
+
+ cis.CtlType = ODT_LISTBOX;
+ cis.CtlID = id;
+ cis.hwndItem = descr->self;
+ /* note that some application (MetaStock) expects the second item
+ * to be in the listbox */
+ cis.itemID1 = -1;
+ cis.itemData1 = (DWORD)str;
+ cis.itemID2 = index;
+ cis.itemData2 = descr->items[index].data;
+ cis.dwLocaleId = descr->locale;
+ res = SendMessageW( descr->owner, WM_COMPAREITEM, id, (LPARAM)&cis );
+ }
+ if (!res) return index;
+ if (res < 0) max = index;
+ else min = index + 1;
+ }
+ return exact ? -1 : max;
+}
+
+/***********************************************************************
+ * LISTBOX_FindFileStrPos
+ *
+ * Find the nearest string located before a given string in directory
+ * sort order (i.e. first files, then directories, then drives).
+ */
+static INT LISTBOX_FindFileStrPos( LB_DESCR *descr, LPCWSTR str )
+{
+ INT min, max, res = -1;
+
+ if (!HAS_STRINGS(descr))
+ return LISTBOX_FindStringPos( descr, str, FALSE );
+ min = 0;
+ max = descr->nb_items;
+ while (min != max)
+ {
+ INT index = (min + max) / 2;
+ LPCWSTR p = descr->items[index].str;
+ if (*p == '[') /* drive or directory */
+ {
+ if (*str != '[') res = -1;
+ else if (p[1] == '-') /* drive */
+ {
+ if (str[1] == '-') res = str[2] - p[2];
+ else res = -1;
+ }
+ else /* directory */
+ {
+ if (str[1] == '-') res = 1;
+ else res = LISTBOX_lstrcmpiW( descr->locale, str, p );
+ }
+ }
+ else /* filename */
+ {
+ if (*str == '[') res = 1;
+ else res = LISTBOX_lstrcmpiW( descr->locale, str, p );
+ }
+ if (!res) return index;
+ if (res < 0) max = index;
+ else min = index + 1;
+ }
+ return max;
+}
+
+
+/***********************************************************************
+ * LISTBOX_FindString
+ *
+ * Find the item beginning with a given string.
+ */
+static INT LISTBOX_FindString( LB_DESCR *descr, INT start, LPCWSTR str, BOOL exact )
+{
+ INT i;
+ LB_ITEMDATA *item;
+
+ if (start >= descr->nb_items) start = -1;
+ item = descr->items + start + 1;
+ if (HAS_STRINGS(descr))
+ {
+ if (!str || ! str[0] ) return LB_ERR;
+ if (exact)
+ {
+ for (i = start + 1; i < descr->nb_items; i++, item++)
+ if (!LISTBOX_lstrcmpiW( descr->locale, str, item->str )) return i;
+ for (i = 0, item = descr->items; i <= start; i++, item++)
+ if (!LISTBOX_lstrcmpiW( descr->locale, str, item->str )) return i;
+ }
+ else
+ {
+ /* Special case for drives and directories: ignore prefix */
+#define CHECK_DRIVE(item) \
+ if ((item)->str[0] == '[') \
+ { \
+ if (!strncmpiW( str, (item)->str+1, len )) return i; \
+ if (((item)->str[1] == '-') && !strncmpiW(str, (item)->str+2, len)) \
+ return i; \
+ }
+
+ INT len = strlenW(str);
+ for (i = start + 1; i < descr->nb_items; i++, item++)
+ {
+ if (!strncmpiW( str, item->str, len )) return i;
+ CHECK_DRIVE(item);
+ }
+ for (i = 0, item = descr->items; i <= start; i++, item++)
+ {
+ if (!strncmpiW( str, item->str, len )) return i;
+ CHECK_DRIVE(item);
+ }
+#undef CHECK_DRIVE
+ }
+ }
+ else
+ {
+ if (exact && (descr->style & LBS_SORT))
+ /* If sorted, use a WM_COMPAREITEM binary search */
+ return LISTBOX_FindStringPos( descr, str, TRUE );
+
+ /* Otherwise use a linear search */
+ for (i = start + 1; i < descr->nb_items; i++, item++)
+ if (item->data == (ULONG_PTR)str) return i;
+ for (i = 0, item = descr->items; i <= start; i++, item++)
+ if (item->data == (ULONG_PTR)str) return i;
+ }
+ return LB_ERR;
+}
+
+
+/***********************************************************************
+ * LISTBOX_GetSelCount
+ */
+static LRESULT LISTBOX_GetSelCount( LB_DESCR *descr )
+{
+ INT i, count;
+ LB_ITEMDATA *item = descr->items;
+
+ if (!(descr->style & LBS_MULTIPLESEL) ||
+ (descr->style & LBS_NOSEL))
+ return LB_ERR;
+ for (i = count = 0; i < descr->nb_items; i++, item++)
+ if (item->selected) count++;
+ return count;
+}
+
+
+#ifndef __REACTOS__
+/***********************************************************************
+ * LISTBOX_GetSelItems16
+ */
+static LRESULT LISTBOX_GetSelItems16( LB_DESCR *descr, INT16 max, LPINT16 array )
+{
+ INT i, count;
+ LB_ITEMDATA *item = descr->items;
+
+ if (!(descr->style & LBS_MULTIPLESEL)) return LB_ERR;
+ for (i = count = 0; (i < descr->nb_items) && (count < max); i++, item++)
+ if (item->selected) array[count++] = (INT16)i;
+ return count;
+}
+#endif
+
+
+/***********************************************************************
+ * LISTBOX_GetSelItems
+ */
+static LRESULT LISTBOX_GetSelItems( LB_DESCR *descr, INT max, LPINT array )
+{
+ INT i, count;
+ LB_ITEMDATA *item = descr->items;
+
+ if (!(descr->style & LBS_MULTIPLESEL)) return LB_ERR;
+ for (i = count = 0; (i < descr->nb_items) && (count < max); i++, item++)
+ if (item->selected) array[count++] = i;
+ return count;
+}
+
+
+/***********************************************************************
+ * LISTBOX_Paint
+ */
+static LRESULT LISTBOX_Paint( LB_DESCR *descr, HDC hdc )
+{
+ INT i, col_pos = descr->page_size - 1;
+ RECT rect;
+ RECT focusRect = {-1, -1, -1, -1};
+ HFONT oldFont = 0;
+ HBRUSH hbrush, oldBrush = 0;
+
+ if (descr->style & LBS_NOREDRAW) return 0;
+
+ SetRect( &rect, 0, 0, descr->width, descr->height );
+ if (descr->style & LBS_MULTICOLUMN)
+ rect.right = rect.left + descr->column_width;
+ else if (descr->horz_pos)
+ {
+ SetWindowOrgEx( hdc, descr->horz_pos, 0, NULL );
+ rect.right += descr->horz_pos;
+ }
+
+ if (descr->font) oldFont = SelectObject( hdc, descr->font );
+ hbrush = (HBRUSH)SendMessageW( descr->owner, WM_CTLCOLORLISTBOX,
+ (WPARAM)hdc, (LPARAM)descr->self );
+ if (hbrush) oldBrush = SelectObject( hdc, hbrush );
+ if (!IsWindowEnabled(descr->self)) SetTextColor( hdc, GetSysColor( COLOR_GRAYTEXT ) );
+
+ if (!descr->nb_items && (descr->focus_item != -1) && descr->caret_on &&
+ (descr->in_focus))
+ {
+ /* Special case for empty listbox: paint focus rect */
+ rect.bottom = rect.top + descr->item_height;
+ ExtTextOutW( hdc, 0, 0, ETO_OPAQUE | ETO_CLIPPED,
+ &rect, NULL, 0, NULL );
+ LISTBOX_PaintItem( descr, hdc, &rect, descr->focus_item,
+ ODA_FOCUS, FALSE );
+ rect.top = rect.bottom;
+ }
+
+ /* Paint all the item, regarding the selection
+ Focus state will be painted after */
+
+ for (i = descr->top_item; i < descr->nb_items; i++)
+ {
+ if (!(descr->style & LBS_OWNERDRAWVARIABLE))
+ rect.bottom = rect.top + descr->item_height;
+ else
+ rect.bottom = rect.top + descr->items[i].height;
+
+ if (i == descr->focus_item)
+ {
+ /* keep the focus rect, to paint the focus item after */
+ focusRect.left = rect.left;
+ focusRect.right = rect.right;
+ focusRect.top = rect.top;
+ focusRect.bottom = rect.bottom;
+ }
+ LISTBOX_PaintItem( descr, hdc, &rect, i, ODA_DRAWENTIRE, TRUE );
+ rect.top = rect.bottom;
+
+ if ((descr->style & LBS_MULTICOLUMN) && !col_pos)
+ {
+ if (!IS_OWNERDRAW(descr))
+ {
+ /* Clear the bottom of the column */
+ if (rect.top < descr->height)
+ {
+ rect.bottom = descr->height;
+ ExtTextOutW( hdc, 0, 0, ETO_OPAQUE | ETO_CLIPPED,
+ &rect, NULL, 0, NULL );
+ }
+ }
+
+ /* Go to the next column */
+ rect.left += descr->column_width;
+ rect.right += descr->column_width;
+ rect.top = 0;
+ col_pos = descr->page_size - 1;
+ }
+ else
+ {
+ col_pos--;
+ if (rect.top >= descr->height) break;
+ }
+ }
+
+ /* Paint the focus item now */
+ if (focusRect.top != focusRect.bottom &&
+ descr->caret_on && descr->in_focus)
+ LISTBOX_PaintItem( descr, hdc, &focusRect, descr->focus_item, ODA_FOCUS, FALSE );
+
+ if (!IS_OWNERDRAW(descr))
+ {
+ /* Clear the remainder of the client area */
+ if (rect.top < descr->height)
+ {
+ rect.bottom = descr->height;
+ ExtTextOutW( hdc, 0, 0, ETO_OPAQUE | ETO_CLIPPED,
+ &rect, NULL, 0, NULL );
+ }
+ if (rect.right < descr->width)
+ {
+ rect.left = rect.right;
+ rect.right = descr->width;
+ rect.top = 0;
+ rect.bottom = descr->height;
+ ExtTextOutW( hdc, 0, 0, ETO_OPAQUE | ETO_CLIPPED,
+ &rect, NULL, 0, NULL );
+ }
+ }
+ if (oldFont) SelectObject( hdc, oldFont );
+ if (oldBrush) SelectObject( hdc, oldBrush );
+ return 0;
+}
+
+
+/***********************************************************************
+ * LISTBOX_InvalidateItems
+ *
+ * Invalidate all items from a given item. If the specified item is not
+ * visible, nothing happens.
+ */
+static void LISTBOX_InvalidateItems( LB_DESCR *descr, INT index )
+{
+ RECT rect;
+
+ if (LISTBOX_GetItemRect( descr, index, &rect ) == 1)
+ {
+ if (descr->style & LBS_NOREDRAW)
+ {
+ descr->style |= LBS_DISPLAYCHANGED;
+ return;
+ }
+ rect.bottom = descr->height;
+ InvalidateRect( descr->self, &rect, TRUE );
+ if (descr->style & LBS_MULTICOLUMN)
+ {
+ /* Repaint the other columns */
+ rect.left = rect.right;
+ rect.right = descr->width;
+ rect.top = 0;
+ InvalidateRect( descr->self, &rect, TRUE );
+ }
+ }
+}
+
+static void LISTBOX_InvalidateItemRect( LB_DESCR *descr, INT index )
+{
+ RECT rect;
+
+ if (LISTBOX_GetItemRect( descr, index, &rect ) == 1)
+ InvalidateRect( descr->self, &rect, TRUE );
+}
+
+/***********************************************************************
+ * LISTBOX_GetItemHeight
+ */
+static LRESULT LISTBOX_GetItemHeight( LB_DESCR *descr, INT index )
+{
+ if (descr->style & LBS_OWNERDRAWVARIABLE)
+ {
+ if ((index < 0) || (index >= descr->nb_items))
+ {
+ SetLastError(ERROR_INVALID_INDEX);
+ return LB_ERR;
+ }
+ return descr->items[index].height;
+ }
+ else return descr->item_height;
+}
+
+
+/***********************************************************************
+ * LISTBOX_SetItemHeight
+ */
+static LRESULT LISTBOX_SetItemHeight( LB_DESCR *descr, INT index,
+ INT height, BOOL repaint )
+{
+ if (!height) height = 1;
+
+ if (descr->style & LBS_OWNERDRAWVARIABLE)
+ {
+ if ((index < 0) || (index >= descr->nb_items))
+ {
+ SetLastError(ERROR_INVALID_INDEX);
+ return LB_ERR;
+ }
+ TRACE("[%p]: item %d height = %d\n", descr->self, index, height );
+ descr->items[index].height = height;
+ LISTBOX_UpdateScroll( descr );
+ if (repaint)
+ LISTBOX_InvalidateItems( descr, index );
+ }
+ else if (height != descr->item_height)
+ {
+ TRACE("[%p]: new height = %d\n", descr->self, height );
+ descr->item_height = height;
+ LISTBOX_UpdatePage( descr );
+ LISTBOX_UpdateScroll( descr );
+ if (repaint)
+ InvalidateRect( descr->self, 0, TRUE );
+ }
+ return LB_OKAY;
+}
+
+
+/***********************************************************************
+ * LISTBOX_SetHorizontalPos
+ */
+static void LISTBOX_SetHorizontalPos( LB_DESCR *descr, INT pos )
+{
+ INT diff;
+
+ if (pos > descr->horz_extent - descr->width)
+ pos = descr->horz_extent - descr->width;
+ if (pos < 0) pos = 0;
+ if (!(diff = descr->horz_pos - pos)) return;
+ TRACE("[%p]: new horz pos = %d\n", descr->self, pos );
+ descr->horz_pos = pos;
+ LISTBOX_UpdateScroll( descr );
+ if (abs(diff) < descr->width)
+ {
+ RECT rect;
+ /* Invalidate the focused item so it will be repainted correctly */
+ if (LISTBOX_GetItemRect( descr, descr->focus_item, &rect ) == 1)
+ InvalidateRect( descr->self, &rect, TRUE );
+ ScrollWindowEx( descr->self, diff, 0, NULL, NULL, 0, NULL,
+ SW_INVALIDATE | SW_ERASE | SW_SCROLLCHILDREN );
+ }
+ else
+ InvalidateRect( descr->self, NULL, TRUE );
+}
+
+
+/***********************************************************************
+ * LISTBOX_SetHorizontalExtent
+ */
+static LRESULT LISTBOX_SetHorizontalExtent( LB_DESCR *descr,
+ INT extent )
+{
+ if (!descr->horz_extent || (descr->style & LBS_MULTICOLUMN))
+ return LB_OKAY;
+ if (extent <= 0) extent = 1;
+ if (extent == descr->horz_extent) return LB_OKAY;
+ TRACE("[%p]: new horz extent = %d\n", descr->self, extent );
+ descr->horz_extent = extent;
+ if (descr->horz_pos > extent - descr->width)
+ LISTBOX_SetHorizontalPos( descr, extent - descr->width );
+ else
+ LISTBOX_UpdateScroll( descr );
+ return LB_OKAY;
+}
+
+
+/***********************************************************************
+ * LISTBOX_SetColumnWidth
+ */
+static LRESULT LISTBOX_SetColumnWidth( LB_DESCR *descr, INT width)
+{
+ if (width == descr->column_width) return LB_OKAY;
+ TRACE("[%p]: new column width = %d\n", descr->self, width );
+ descr->column_width = width;
+ LISTBOX_UpdatePage( descr );
+ return LB_OKAY;
+}
+
+
+/***********************************************************************
+ * LISTBOX_SetFont
+ *
+ * Returns the item height.
+ */
+static INT LISTBOX_SetFont( LB_DESCR *descr, HFONT font )
+{
+ HDC hdc;
+ HFONT oldFont = 0;
+ const char *alphabet = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+ SIZE sz;
+
+ descr->font = font;
+
+ if (!(hdc = GetDCEx( descr->self, 0, DCX_CACHE )))
+ {
+ ERR("unable to get DC.\n" );
+ return 16;
+ }
+ if (font) oldFont = SelectObject( hdc, font );
+ GetTextExtentPointA( hdc, alphabet, 52, &sz);
+ if (oldFont) SelectObject( hdc, oldFont );
+ ReleaseDC( descr->self, hdc );
+
+ descr->avg_char_width = (sz.cx / 26 + 1) / 2;
+ if (!IS_OWNERDRAW(descr))
+ LISTBOX_SetItemHeight( descr, 0, sz.cy, FALSE );
+ return sz.cy;
+}
+
+
+/***********************************************************************
+ * LISTBOX_MakeItemVisible
+ *
+ * Make sure that a given item is partially or fully visible.
+ */
+static void LISTBOX_MakeItemVisible( LB_DESCR *descr, INT index,
+ BOOL fully )
+{
+ INT top;
+
+ if (index <= descr->top_item) top = index;
+ else if (descr->style & LBS_MULTICOLUMN)
+ {
+ INT cols = descr->width;
+ if (!fully) cols += descr->column_width - 1;
+ if (cols >= descr->column_width) cols /= descr->column_width;
+ else cols = 1;
+ if (index < descr->top_item + (descr->page_size * cols)) return;
+ top = index - descr->page_size * (cols - 1);
+ }
+ else if (descr->style & LBS_OWNERDRAWVARIABLE)
+ {
+ INT height = fully ? descr->items[index].height : 1;
+ for (top = index; top > descr->top_item; top--)
+ if ((height += descr->items[top-1].height) > descr->height) break;
+ }
+ else
+ {
+ if (index < descr->top_item + descr->page_size) return;
+ if (!fully && (index == descr->top_item + descr->page_size) &&
+ (descr->height > (descr->page_size * descr->item_height))) return;
+ top = index - descr->page_size + 1;
+ }
+ LISTBOX_SetTopItem( descr, top, TRUE );
+}
+
+/***********************************************************************
+ * LISTBOX_SetCaretIndex
+ *
+ * NOTES
+ * index must be between 0 and descr->nb_items-1, or LB_ERR is returned.
+ *
+ */
+static LRESULT LISTBOX_SetCaretIndex( LB_DESCR *descr, INT index,
+ BOOL fully_visible )
+{
+ INT oldfocus = descr->focus_item;
+
+ if (descr->style & LBS_NOSEL) return LB_ERR;
+ if ((index < 0) || (index >= descr->nb_items)) return LB_ERR;
+ if (index == oldfocus) return LB_OKAY;
+ descr->focus_item = index;
+ if ((oldfocus != -1) && descr->caret_on && (descr->in_focus))
+ LISTBOX_RepaintItem( descr, oldfocus, ODA_FOCUS );
+
+ LISTBOX_MakeItemVisible( descr, index, fully_visible );
+ if (descr->caret_on && (descr->in_focus))
+ LISTBOX_RepaintItem( descr, index, ODA_FOCUS );
+
+ return LB_OKAY;
+}
+
+
+/***********************************************************************
+ * LISTBOX_SelectItemRange
+ *
+ * Select a range of items. Should only be used on a MULTIPLESEL listbox.
+ */
+static LRESULT LISTBOX_SelectItemRange( LB_DESCR *descr, INT first,
+ INT last, BOOL on )
+{
+ INT i;
+
+ /* A few sanity checks */
+
+ if (descr->style & LBS_NOSEL) return LB_ERR;
+ if ((last == -1) && (descr->nb_items == 0)) return LB_OKAY;
+ if (!(descr->style & LBS_MULTIPLESEL)) return LB_ERR;
+ if (last == -1) last = descr->nb_items - 1;
+ if ((first < 0) || (first >= descr->nb_items)) return LB_ERR;
+ if ((last < 0) || (last >= descr->nb_items)) return LB_ERR;
+
+ if (on) /* Turn selection on */
+ {
+ for (i = first; i <= last; i++)
+ {
+ if (descr->items[i].selected) continue;
+ descr->items[i].selected = TRUE;
+ LISTBOX_InvalidateItemRect(descr, i);
+ }
+ }
+ else /* Turn selection off */
+ {
+ for (i = first; i <= last; i++)
+ {
+ if (!descr->items[i].selected) continue;
+ descr->items[i].selected = FALSE;
+ LISTBOX_InvalidateItemRect(descr, i);
+ }
+ }
+ return LB_OKAY;
+}
+
+/***********************************************************************
+ * LISTBOX_SetSelection
+ */
+static LRESULT LISTBOX_SetSelection( LB_DESCR *descr, INT index,
+ BOOL on, BOOL send_notify )
+{
+ TRACE( "index=%d notify=%s\n", index, send_notify ? "YES" : "NO" );
+
+ if (descr->style & LBS_NOSEL)
+ {
+ descr->selected_item = index;
+ return LB_ERR;
+ }
+ if ((index < -1) || (index >= descr->nb_items)) return LB_ERR;
+ if (descr->style & LBS_MULTIPLESEL)
+ {
+ if (index == -1) /* Select all items */
+ return LISTBOX_SelectItemRange( descr, 0, -1, on );
+ else /* Only one item */
+ return LISTBOX_SelectItemRange( descr, index, index, on );
+ }
+ else
+ {
+ INT oldsel = descr->selected_item;
+ if (index == oldsel) return LB_OKAY;
+ if (oldsel != -1) descr->items[oldsel].selected = FALSE;
+ if (index != -1) descr->items[index].selected = TRUE;
+ descr->selected_item = index;
+ if (oldsel != -1) LISTBOX_RepaintItem( descr, oldsel, ODA_SELECT );
+ if (index != -1) LISTBOX_RepaintItem( descr, index, ODA_SELECT );
+ if (send_notify && descr->nb_items) SEND_NOTIFICATION( descr,
+ (index != -1) ? LBN_SELCHANGE : LBN_SELCANCEL );
+ else
+ if( descr->lphc ) /* set selection change flag for parent combo */
+ descr->lphc->wState |= CBF_SELCHANGE;
+ }
+ return LB_OKAY;
+}
+
+
+/***********************************************************************
+ * LISTBOX_MoveCaret
+ *
+ * Change the caret position and extend the selection to the new caret.
+ */
+static void LISTBOX_MoveCaret( LB_DESCR *descr, INT index,
+ BOOL fully_visible )
+{
+ INT oldfocus = descr->focus_item;
+
+ if ((index < 0) || (index >= descr->nb_items))
+ return;
+
+ /* Important, repaint needs to be done in this order if
+ you want to mimic Windows behavior:
+ 1. Remove the focus and paint the item
+ 2. Remove the selection and paint the item(s)
+ 3. Set the selection and repaint the item(s)
+ 4. Set the focus to 'index' and repaint the item */
+
+ /* 1. remove the focus and repaint the item */
+ descr->focus_item = -1;
+ if ((oldfocus != -1) && descr->caret_on && (descr->in_focus))
+ LISTBOX_RepaintItem( descr, oldfocus, ODA_FOCUS );
+
+ /* 2. then turn off the previous selection */
+ /* 3. repaint the new selected item */
+ if (descr->style & LBS_EXTENDEDSEL)
+ {
+ if (descr->anchor_item != -1)
+ {
+ INT first = min( index, descr->anchor_item );
+ INT last = max( index, descr->anchor_item );
+ if (first > 0)
+ LISTBOX_SelectItemRange( descr, 0, first - 1, FALSE );
+ LISTBOX_SelectItemRange( descr, last + 1, -1, FALSE );
+ LISTBOX_SelectItemRange( descr, first, last, TRUE );
+ }
+ }
+ else if (!(descr->style & LBS_MULTIPLESEL))
+ {
+ /* Set selection to new caret item */
+ LISTBOX_SetSelection( descr, index, TRUE, FALSE );
+ }
+
+ /* 4. repaint the new item with the focus */
+ descr->focus_item = index;
+ LISTBOX_MakeItemVisible( descr, index, fully_visible );
+ if (descr->caret_on && (descr->in_focus))
+ LISTBOX_RepaintItem( descr, index, ODA_FOCUS );
+}
+
+
+/***********************************************************************
+ * LISTBOX_InsertItem
+ */
+static LRESULT LISTBOX_InsertItem( LB_DESCR *descr, INT index,
+ LPWSTR str, DWORD data )
+{
+ LB_ITEMDATA *item;
+ INT max_items;
+ INT oldfocus = descr->focus_item;
+
+ if (index == -1) index = descr->nb_items;
+ else if ((index < 0) || (index > descr->nb_items)) return LB_ERR;
+ if (!descr->items) max_items = 0;
+ else max_items = HeapSize( GetProcessHeap(), 0, descr->items ) / sizeof(*item);
+ if (descr->nb_items == max_items)
+ {
+ /* We need to grow the array */
+ max_items += LB_ARRAY_GRANULARITY;
+ if (descr->items)
+ item = HeapReAlloc( GetProcessHeap(), 0, descr->items,
+ max_items * sizeof(LB_ITEMDATA) );
+ else
+ item = HeapAlloc( GetProcessHeap(), 0,
+ max_items * sizeof(LB_ITEMDATA) );
+ if (!item)
+ {
+ SEND_NOTIFICATION( descr, LBN_ERRSPACE );
+ return LB_ERRSPACE;
+ }
+ descr->items = item;
+ }
+
+ /* Insert the item structure */
+
+ item = &descr->items[index];
+ if (index < descr->nb_items)
+ RtlMoveMemory( item + 1, item,
+ (descr->nb_items - index) * sizeof(LB_ITEMDATA) );
+ item->str = str;
+ item->data = data;
+ item->height = 0;
+ item->selected = FALSE;
+ descr->nb_items++;
+
+ /* Get item height */
+
+ if (descr->style & LBS_OWNERDRAWVARIABLE)
+ {
+ MEASUREITEMSTRUCT mis;
+ UINT id = (UINT)GetWindowLongPtrW( descr->self, GWLP_ID );
+
+ mis.CtlType = ODT_LISTBOX;
+ mis.CtlID = id;
+ mis.itemID = index;
+ mis.itemData = descr->items[index].data;
+ mis.itemHeight = descr->item_height;
+ SendMessageW( descr->owner, WM_MEASUREITEM, id, (LPARAM)&mis );
+ item->height = mis.itemHeight ? mis.itemHeight : 1;
+ TRACE("[%p]: measure item %d (%s) = %d\n",
+ descr->self, index, str ? debugstr_w(str) : "", item->height );
+ }
+
+ /* Repaint the items */
+
+ LISTBOX_UpdateScroll( descr );
+ LISTBOX_InvalidateItems( descr, index );
+
+ /* Move selection and focused item */
+ /* If listbox was empty, set focus to the first item */
+ if (descr->nb_items == 1)
+ LISTBOX_SetCaretIndex( descr, 0, FALSE );
+ /* single select don't change selection index in win31 */
+ else if ((ISWIN31) && !(IS_MULTISELECT(descr)))
+ {
+ descr->selected_item++;
+ LISTBOX_SetSelection( descr, descr->selected_item-1, TRUE, FALSE );
+ }
+ else
+ {
+ if (index <= descr->selected_item)
+ {
+ descr->selected_item++;
+ descr->focus_item = oldfocus; /* focus not changed */
+ }
+ }
+ return LB_OKAY;
+}
+
+
+/***********************************************************************
+ * LISTBOX_InsertString
*/
-/* $Id: listbox.c,v 1.6 2002/06/13 20:36:39 dwelch Exp $
+static LRESULT LISTBOX_InsertString( LB_DESCR *descr, INT index,
+ LPCWSTR str )
+{
+ LPWSTR new_str = NULL;
+ DWORD data = 0;
+ LRESULT ret;
+
+ if (HAS_STRINGS(descr))
+ {
+ static const WCHAR empty_stringW[] = { 0 };
+ if (!str) str = empty_stringW;
+ if (!(new_str = HeapAlloc( GetProcessHeap(), 0, (strlenW(str) + 1) * sizeof(WCHAR) )))
+ {
+ SEND_NOTIFICATION( descr, LBN_ERRSPACE );
+ return LB_ERRSPACE;
+ }
+ strcpyW(new_str, str);
+ }
+ else data = (DWORD)str;
+
+ if (index == -1) index = descr->nb_items;
+ if ((ret = LISTBOX_InsertItem( descr, index, new_str, data )) != 0)
+ {
+ HeapFree( GetProcessHeap(), 0, new_str );
+ return ret;
+ }
+
+ TRACE("[%p]: added item %d %s\n",
+ descr->self, index, HAS_STRINGS(descr) ? debugstr_w(new_str) : "" );
+ return index;
+}
+
+
+/***********************************************************************
+ * LISTBOX_DeleteItem
*
- * PROJECT: ReactOS user32.dll
- * FILE: lib/user32/controls/listbox.c
- * PURPOSE: List box
- * PROGRAMMER: Casper S. Hornstrup (chorns@users.sourceforge.net)
- * UPDATE HISTORY:
- * 09-05-2001 CSH Created
+ * Delete the content of an item. 'index' must be a valid index.
*/
+static void LISTBOX_DeleteItem( LB_DESCR *descr, INT index )
+{
+ /* Note: Win 3.1 only sends DELETEITEM on owner-draw items,
+ * while Win95 sends it for all items with user data.
+ * It's probably better to send it too often than not
+ * often enough, so this is what we do here.
+ */
+ if (IS_OWNERDRAW(descr) || descr->items[index].data)
+ {
+ DELETEITEMSTRUCT dis;
+ UINT id = (UINT)GetWindowLongPtrW( descr->self, GWLP_ID );
-/* INCLUDES ******************************************************************/
+ dis.CtlType = ODT_LISTBOX;
+ dis.CtlID = id;
+ dis.itemID = index;
+ dis.hwndItem = descr->self;
+ dis.itemData = descr->items[index].data;
+ SendMessageW( descr->owner, WM_DELETEITEM, id, (LPARAM)&dis );
+ }
+ if (HAS_STRINGS(descr) && descr->items[index].str)
+ HeapFree( GetProcessHeap(), 0, descr->items[index].str );
+}
-#include <windows.h>
-#include <user32.h>
-#include <debug.h>
-/* FUNCTIONS *****************************************************************/
+/***********************************************************************
+ * LISTBOX_RemoveItem
+ *
+ * Remove an item from the listbox and delete its content.
+ */
+static LRESULT LISTBOX_RemoveItem( LB_DESCR *descr, INT index )
+{
+ LB_ITEMDATA *item;
+ INT max_items;
+
+ if ((index < 0) || (index >= descr->nb_items)) return LB_ERR;
+
+ /* We need to invalidate the original rect instead of the updated one. */
+ LISTBOX_InvalidateItems( descr, index );
+
+ LISTBOX_DeleteItem( descr, index );
+
+ /* Remove the item */
+
+ item = &descr->items[index];
+ if (index < descr->nb_items-1)
+ RtlMoveMemory( item, item + 1,
+ (descr->nb_items - index - 1) * sizeof(LB_ITEMDATA) );
+ descr->nb_items--;
+ if (descr->anchor_item == descr->nb_items) descr->anchor_item--;
+
+ /* Shrink the item array if possible */
+
+ max_items = HeapSize( GetProcessHeap(), 0, descr->items ) / sizeof(LB_ITEMDATA);
+ if (descr->nb_items < max_items - 2*LB_ARRAY_GRANULARITY)
+ {
+ max_items -= LB_ARRAY_GRANULARITY;
+ item = HeapReAlloc( GetProcessHeap(), 0, descr->items,
+ max_items * sizeof(LB_ITEMDATA) );
+ if (item) descr->items = item;
+ }
+ /* Repaint the items */
+
+ LISTBOX_UpdateScroll( descr );
+ /* if we removed the scrollbar, reset the top of the list
+ (correct for owner-drawn ???) */
+ if (descr->nb_items == descr->page_size)
+ LISTBOX_SetTopItem( descr, 0, TRUE );
+
+ /* Move selection and focused item */
+ if (!IS_MULTISELECT(descr))
+ {
+ if (index == descr->selected_item)
+ descr->selected_item = -1;
+ else if (index < descr->selected_item)
+ {
+ descr->selected_item--;
+ if (ISWIN31) /* win 31 do not change the selected item number */
+ LISTBOX_SetSelection( descr, descr->selected_item + 1, TRUE, FALSE);
+ }
+ }
+
+ if (descr->focus_item >= descr->nb_items)
+ {
+ descr->focus_item = descr->nb_items - 1;
+ if (descr->focus_item < 0) descr->focus_item = 0;
+ }
+ return LB_OKAY;
+}
+
+
+/***********************************************************************
+ * LISTBOX_ResetContent
+ */
+static void LISTBOX_ResetContent( LB_DESCR *descr )
+{
+ INT i;
+
+ for (i = 0; i < descr->nb_items; i++) LISTBOX_DeleteItem( descr, i );
+ HeapFree( GetProcessHeap(), 0, descr->items );
+ descr->nb_items = 0;
+ descr->top_item = 0;
+ descr->selected_item = -1;
+ descr->focus_item = 0;
+ descr->anchor_item = -1;
+ descr->items = NULL;
+}
+
+
+/***********************************************************************
+ * LISTBOX_SetCount
+ */
+static LRESULT LISTBOX_SetCount( LB_DESCR *descr, INT count )
+{
+ LRESULT ret;
+
+ if (HAS_STRINGS(descr))
+ {
+ SetLastError(ERROR_SETCOUNT_ON_BAD_LB);
+ return LB_ERR;
+ }
+
+ /* FIXME: this is far from optimal... */
+ if (count > descr->nb_items)
+ {
+ while (count > descr->nb_items)
+ if ((ret = LISTBOX_InsertString( descr, -1, 0 )) < 0)
+ return ret;
+ }
+ else if (count < descr->nb_items)
+ {
+ while (count < descr->nb_items)
+ if ((ret = LISTBOX_RemoveItem( descr, -1 )) < 0)
+ return ret;
+ }
+ return LB_OKAY;
+}
+
+
+/***********************************************************************
+ * LISTBOX_Directory
+ */
+static LRESULT LISTBOX_Directory( LB_DESCR *descr, UINT attrib,
+ LPCWSTR filespec, BOOL long_names )
+{
+ HANDLE handle;
+ LRESULT ret = LB_OKAY;
+ WIN32_FIND_DATAW entry;
+ int pos;
+
+ /* don't scan directory if we just want drives exclusively */
+ if (attrib != (DDL_DRIVES | DDL_EXCLUSIVE)) {
+ /* scan directory */
+ if ((handle = FindFirstFileW(filespec, &entry)) == INVALID_HANDLE_VALUE)
+ {
+ int le = GetLastError();
+ if ((le != ERROR_NO_MORE_FILES) && (le != ERROR_FILE_NOT_FOUND)) return LB_ERR;
+ }
+ else
+ {
+ do
+ {
+ WCHAR buffer[270];
+ if (entry.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
+ {
+ static const WCHAR bracketW[] = { ']',0 };
+ static const WCHAR dotW[] = { '.',0 };
+ if (!(attrib & DDL_DIRECTORY) ||
+ !strcmpW( entry.cFileName, dotW )) continue;
+ buffer[0] = '[';
+ if (!long_names && entry.cAlternateFileName[0])
+ strcpyW( buffer + 1, entry.cAlternateFileName );
+ else
+ strcpyW( buffer + 1, entry.cFileName );
+ strcatW(buffer, bracketW);
+ }
+ else /* not a directory */
+ {
+#define ATTRIBS (FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | \
+ FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_ARCHIVE)
+
+ if ((attrib & DDL_EXCLUSIVE) &&
+ ((attrib & ATTRIBS) != (entry.dwFileAttributes & ATTRIBS)))
+ continue;
+#undef ATTRIBS
+ if (!long_names && entry.cAlternateFileName[0])
+ strcpyW( buffer, entry.cAlternateFileName );
+ else
+ strcpyW( buffer, entry.cFileName );
+ }
+ if (!long_names) CharLowerW( buffer );
+ pos = LISTBOX_FindFileStrPos( descr, buffer );
+ if ((ret = LISTBOX_InsertString( descr, pos, buffer )) < 0)
+ break;
+ } while (FindNextFileW( handle, &entry ));
+ FindClose( handle );
+ }
+ }
+
+ /* scan drives */
+ if ((ret >= 0) && (attrib & DDL_DRIVES))
+ {
+ WCHAR buffer[] = {'[','-','a','-',']',0};
+ WCHAR root[] = {'A',':','\\',0};
+ int drive;
+ for (drive = 0; drive < 26; drive++, buffer[2]++, root[0]++)
+ {
+ if (GetDriveTypeW(root) <= DRIVE_NO_ROOT_DIR) continue;
+ if ((ret = LISTBOX_InsertString( descr, -1, buffer )) < 0)
+ break;
+ }
+ }
+ return ret;
+}
+
+
+/***********************************************************************
+ * LISTBOX_HandleVScroll
+ */
+static LRESULT LISTBOX_HandleVScroll( LB_DESCR *descr, WORD scrollReq, WORD pos )
+{
+ SCROLLINFO info;
+
+ if (descr->style & LBS_MULTICOLUMN) return 0;
+ switch(scrollReq)
+ {
+ case SB_LINEUP:
+ LISTBOX_SetTopItem( descr, descr->top_item - 1, TRUE );
+ break;
+ case SB_LINEDOWN:
+ LISTBOX_SetTopItem( descr, descr->top_item + 1, TRUE );
+ break;
+ case SB_PAGEUP:
+ LISTBOX_SetTopItem( descr, descr->top_item -
+ LISTBOX_GetCurrentPageSize( descr ), TRUE );
+ break;
+ case SB_PAGEDOWN:
+ LISTBOX_SetTopItem( descr, descr->top_item +
+ LISTBOX_GetCurrentPageSize( descr ), TRUE );
+ break;
+ case SB_THUMBPOSITION:
+ LISTBOX_SetTopItem( descr, pos, TRUE );
+ break;
+ case SB_THUMBTRACK:
+ info.cbSize = sizeof(info);
+ info.fMask = SIF_TRACKPOS;
+ GetScrollInfo( descr->self, SB_VERT, &info );
+ LISTBOX_SetTopItem( descr, info.nTrackPos, TRUE );
+ break;
+ case SB_TOP:
+ LISTBOX_SetTopItem( descr, 0, TRUE );
+ break;
+ case SB_BOTTOM:
+ LISTBOX_SetTopItem( descr, descr->nb_items, TRUE );
+ break;
+ }
+ return 0;
+}
+
+
+/***********************************************************************
+ * LISTBOX_HandleHScroll
+ */
+static LRESULT LISTBOX_HandleHScroll( LB_DESCR *descr, WORD scrollReq, WORD pos )
+{
+ SCROLLINFO info;
+ INT page;
+
+ if (descr->style & LBS_MULTICOLUMN)
+ {
+ switch(scrollReq)
+ {
+ case SB_LINELEFT:
+ LISTBOX_SetTopItem( descr, descr->top_item-descr->page_size,
+ TRUE );
+ break;
+ case SB_LINERIGHT:
+ LISTBOX_SetTopItem( descr, descr->top_item+descr->page_size,
+ TRUE );
+ break;
+ case SB_PAGELEFT:
+ page = descr->width / descr->column_width;
+ if (page < 1) page = 1;
+ LISTBOX_SetTopItem( descr,
+ descr->top_item - page * descr->page_size, TRUE );
+ break;
+ case SB_PAGERIGHT:
+ page = descr->width / descr->column_width;
+ if (page < 1) page = 1;
+ LISTBOX_SetTopItem( descr,
+ descr->top_item + page * descr->page_size, TRUE );
+ break;
+ case SB_THUMBPOSITION:
+ LISTBOX_SetTopItem( descr, pos*descr->page_size,
+ TRUE );
+ break;
+ case SB_THUMBTRACK:
+ info.cbSize = sizeof(info);
+ info.fMask = SIF_TRACKPOS;
+ GetScrollInfo( descr->self, SB_VERT, &info );
+ LISTBOX_SetTopItem( descr, info.nTrackPos*descr->page_size,
+ TRUE );
+ break;
+ case SB_LEFT:
+ LISTBOX_SetTopItem( descr, 0, TRUE );
+ break;
+ case SB_RIGHT:
+ LISTBOX_SetTopItem( descr, descr->nb_items, TRUE );
+ break;
+ }
+ }
+ else if (descr->horz_extent)
+ {
+ switch(scrollReq)
+ {
+ case SB_LINELEFT:
+ LISTBOX_SetHorizontalPos( descr, descr->horz_pos - 1 );
+ break;
+ case SB_LINERIGHT:
+ LISTBOX_SetHorizontalPos( descr, descr->horz_pos + 1 );
+ break;
+ case SB_PAGELEFT:
+ LISTBOX_SetHorizontalPos( descr,
+ descr->horz_pos - descr->width );
+ break;
+ case SB_PAGERIGHT:
+ LISTBOX_SetHorizontalPos( descr,
+ descr->horz_pos + descr->width );
+ break;
+ case SB_THUMBPOSITION:
+ LISTBOX_SetHorizontalPos( descr, pos );
+ break;
+ case SB_THUMBTRACK:
+ info.cbSize = sizeof(info);
+ info.fMask = SIF_TRACKPOS;
+ GetScrollInfo( descr->self, SB_HORZ, &info );
+ LISTBOX_SetHorizontalPos( descr, info.nTrackPos );
+ break;
+ case SB_LEFT:
+ LISTBOX_SetHorizontalPos( descr, 0 );
+ break;
+ case SB_RIGHT:
+ LISTBOX_SetHorizontalPos( descr,
+ descr->horz_extent - descr->width );
+ break;
+ }
+ }
+ return 0;
+}
+
+static LRESULT LISTBOX_HandleMouseWheel(LB_DESCR *descr, SHORT delta )
+{
+ short gcWheelDelta = 0;
+ UINT pulScrollLines = 3;
+
+ SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0);
+
+ gcWheelDelta -= delta;
+
+ if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines)
+ {
+ int cLineScroll = (int) min((UINT) descr->page_size, pulScrollLines);
+ cLineScroll *= (gcWheelDelta / WHEEL_DELTA);
+ LISTBOX_SetTopItem( descr, descr->top_item + cLineScroll, TRUE );
+ }
+ return 0;
+}
+
+/***********************************************************************
+ * LISTBOX_HandleLButtonDown
+ */
+static LRESULT LISTBOX_HandleLButtonDown( LB_DESCR *descr,
+ DWORD keys, INT x, INT y )
+{
+ INT index = LISTBOX_GetItemFromPoint( descr, x, y );
+ TRACE("[%p]: lbuttondown %d,%d item %d\n", descr->self, x, y, index );
+ if (!descr->caret_on && (descr->in_focus)) return 0;
+
+ if (!descr->in_focus)
+ {
+ if( !descr->lphc ) SetFocus( descr->self );
+ else SetFocus( (descr->lphc->hWndEdit) ? descr->lphc->hWndEdit : descr->lphc->self );
+ }
+
+ if (index == -1) return 0;
+
+ if (descr->style & (LBS_EXTENDEDSEL | LBS_MULTIPLESEL))
+ {
+ /* we should perhaps make sure that all items are deselected
+ FIXME: needed for !LBS_EXTENDEDSEL, too ?
+ if (!(keys & (MK_SHIFT|MK_CONTROL)))
+ LISTBOX_SetSelection( descr, -1, FALSE, FALSE);
+ */
+
+ if (!(keys & MK_SHIFT)) descr->anchor_item = index;
+ if (keys & MK_CONTROL)
+ {
+ LISTBOX_SetCaretIndex( descr, index, FALSE );
+ LISTBOX_SetSelection( descr, index,
+ !descr->items[index].selected,
+ (descr->style & LBS_NOTIFY) != 0);
+ }
+ else
+ {
+ LISTBOX_MoveCaret( descr, index, FALSE );
+
+ if (descr->style & LBS_EXTENDEDSEL)
+ {
+ LISTBOX_SetSelection( descr, index,
+ descr->items[index].selected,
+ (descr->style & LBS_NOTIFY) != 0 );
+ }
+ else
+ {
+ LISTBOX_SetSelection( descr, index,
+ !descr->items[index].selected,
+ (descr->style & LBS_NOTIFY) != 0 );
+ }
+ }
+ }
+ else
+ {
+ descr->anchor_item = index;
+ LISTBOX_MoveCaret( descr, index, FALSE );
+ LISTBOX_SetSelection( descr, index,
+ TRUE, (descr->style & LBS_NOTIFY) != 0 );
+ }
+
+ descr->captured = TRUE;
+ SetCapture( descr->self );
+
+ if (!descr->lphc)
+ {
+ if (descr->style & LBS_NOTIFY )
+ SendMessageW( descr->owner, WM_LBTRACKPOINT, index,
+ MAKELPARAM( x, y ) );
+ if (GetWindowLongW( descr->self, GWL_EXSTYLE ) & WS_EX_DRAGDETECT)
+ {
+ POINT pt;
+
+ pt.x = x;
+ pt.y = y;
+
+ if (DragDetect( descr->self, pt ))
+ SendMessageW( descr->owner, WM_BEGINDRAG, 0, 0 );
+ }
+ }
+ return 0;
+}
+
+
+/*************************************************************************
+ * LISTBOX_HandleLButtonDownCombo [Internal]
+ *
+ * Process LButtonDown message for the ComboListBox
+ *
+nn * PARAMS
+ * pWnd [I] The windows internal structure
+ * pDescr [I] The ListBox internal structure
+ * wParam [I] Key Flag (WM_LBUTTONDOWN doc for more info)
+ * x [I] X Mouse Coordinate
+ * y [I] Y Mouse Coordinate
+ *
+ * RETURNS
+ * 0 since we are processing the WM_LBUTTONDOWN Message
+ *
+ * NOTES
+ * This function is only to be used when a ListBox is a ComboListBox
+ */
+
+static LRESULT LISTBOX_HandleLButtonDownCombo( LB_DESCR *pDescr,
+ UINT msg, DWORD keys, INT x, INT y)
+{
+ RECT clientRect, screenRect;
+ POINT mousePos;
+
+ mousePos.x = x;
+ mousePos.y = y;
+
+ GetClientRect(pDescr->self, &clientRect);
+
+ if(PtInRect(&clientRect, mousePos))
+ {
+ /* MousePos is in client, resume normal processing */
+ if (msg == WM_LBUTTONDOWN)
+ {
+ pDescr->lphc->droppedIndex = pDescr->nb_items ? pDescr->selected_item : -1;
+ return LISTBOX_HandleLButtonDown( pDescr, keys, x, y);
+ }
+ else if (pDescr->style & LBS_NOTIFY)
+ SEND_NOTIFICATION( pDescr, LBN_DBLCLK );
+ }
+ else
+ {
+ POINT screenMousePos;
+ HWND hWndOldCapture;
+
+ /* Check the Non-Client Area */
+ screenMousePos = mousePos;
+ hWndOldCapture = GetCapture();
+ ReleaseCapture();
+ GetWindowRect(pDescr->self, &screenRect);
+ ClientToScreen(pDescr->self, &screenMousePos);
+
+ if(!PtInRect(&screenRect, screenMousePos))
+ {
+ LISTBOX_SetCaretIndex( pDescr, pDescr->lphc->droppedIndex, FALSE );
+ LISTBOX_SetSelection( pDescr, pDescr->lphc->droppedIndex, FALSE, FALSE );
+ COMBO_FlipListbox( pDescr->lphc, FALSE, FALSE );
+ }
+ else
+ {
+ /* Check to see the NC is a scrollbar */
+ INT nHitTestType=0;
+ LONG style = GetWindowLongW( pDescr->self, GWL_STYLE );
+ /* Check Vertical scroll bar */
+ if (style & WS_VSCROLL)
+ {
+
+ clientRect.right += GetSystemMetrics(SM_CXVSCROLL);
+ if (PtInRect( &clientRect, mousePos ))
+ nHitTestType = HTVSCROLL;
+ }
+ /* Check horizontal scroll bar */
+ if (style & WS_HSCROLL)
+ {
+ clientRect.bottom += GetSystemMetrics(SM_CYHSCROLL);
+ if (PtInRect( &clientRect, mousePos ))
+ nHitTestType = HTHSCROLL;
+ }
+ /* Windows sends this message when a scrollbar is clicked
+ */
+
+ if(nHitTestType != 0)
+ {
+ SendMessageW(pDescr->self, WM_NCLBUTTONDOWN, nHitTestType,
+ MAKELONG(screenMousePos.x, screenMousePos.y));
+ }
+ /* Resume the Capture after scrolling is complete
+ */
+ if(hWndOldCapture != 0)
+ SetCapture(hWndOldCapture);
+ }
+ }
+ return 0;
+}
+
+/***********************************************************************
+ * LISTBOX_HandleLButtonUp
+ */
+static LRESULT LISTBOX_HandleLButtonUp( LB_DESCR *descr )
+{
+ if (LISTBOX_Timer != LB_TIMER_NONE)
+ KillSystemTimer( descr->self, LB_TIMER_ID );
+ LISTBOX_Timer = LB_TIMER_NONE;
+ if (descr->captured)
+ {
+ descr->captured = FALSE;
+ if (GetCapture() == descr->self) ReleaseCapture();
+ if ((descr->style & LBS_NOTIFY) && descr->nb_items)
+ SEND_NOTIFICATION( descr, LBN_SELCHANGE );
+ }
+ return 0;
+}
+
+
+/***********************************************************************
+ * LISTBOX_HandleTimer
+ *
+ * Handle scrolling upon a timer event.
+ * Return TRUE if scrolling should continue.
+ */
+static LRESULT LISTBOX_HandleTimer( LB_DESCR *descr,
+ INT index, TIMER_DIRECTION dir )
+{
+ switch(dir)
+ {
+ case LB_TIMER_UP:
+ if (descr->top_item) index = descr->top_item - 1;
+ else index = 0;
+ break;
+ case LB_TIMER_LEFT:
+ if (descr->top_item) index -= descr->page_size;
+ break;
+ case LB_TIMER_DOWN:
+ index = descr->top_item + LISTBOX_GetCurrentPageSize( descr );
+ if (index == descr->focus_item) index++;
+ if (index >= descr->nb_items) index = descr->nb_items - 1;
+ break;
+ case LB_TIMER_RIGHT:
+ if (index + descr->page_size < descr->nb_items)
+ index += descr->page_size;
+ break;
+ case LB_TIMER_NONE:
+ break;
+ }
+ if (index == descr->focus_item) return FALSE;
+ LISTBOX_MoveCaret( descr, index, FALSE );
+ return TRUE;
+}
+
+
+/***********************************************************************
+ * LISTBOX_HandleSystemTimer
+ *
+ * WM_SYSTIMER handler.
+ */
+static LRESULT LISTBOX_HandleSystemTimer( LB_DESCR *descr )
+{
+ if (!LISTBOX_HandleTimer( descr, descr->focus_item, LISTBOX_Timer ))
+ {
+ KillSystemTimer( descr->self, LB_TIMER_ID );
+ LISTBOX_Timer = LB_TIMER_NONE;
+ }
+ return 0;
+}
+
+
+/***********************************************************************
+ * LISTBOX_HandleMouseMove
+ *
+ * WM_MOUSEMOVE handler.
+ */
+static void LISTBOX_HandleMouseMove( LB_DESCR *descr,
+ INT x, INT y )
+{
+ INT index;
+ TIMER_DIRECTION dir = LB_TIMER_NONE;
+
+ if (!descr->captured) return;
+
+ if (descr->style & LBS_MULTICOLUMN)
+ {
+ if (y < 0) y = 0;
+ else if (y >= descr->item_height * descr->page_size)
+ y = descr->item_height * descr->page_size - 1;
+
+ if (x < 0)
+ {
+ dir = LB_TIMER_LEFT;
+ x = 0;
+ }
+ else if (x >= descr->width)
+ {
+ dir = LB_TIMER_RIGHT;
+ x = descr->width - 1;
+ }
+ }
+ else
+ {
+ if (y < 0) dir = LB_TIMER_UP; /* above */
+ else if (y >= descr->height) dir = LB_TIMER_DOWN; /* below */
+ }
+
+ index = LISTBOX_GetItemFromPoint( descr, x, y );
+ if (index == -1) index = descr->focus_item;
+ if (!LISTBOX_HandleTimer( descr, index, dir )) dir = LB_TIMER_NONE;
+
+ /* Start/stop the system timer */
+
+ if (dir != LB_TIMER_NONE)
+ SetSystemTimer( descr->self, LB_TIMER_ID, LB_SCROLL_TIMEOUT, NULL);
+ else if (LISTBOX_Timer != LB_TIMER_NONE)
+ KillSystemTimer( descr->self, LB_TIMER_ID );
+ LISTBOX_Timer = dir;
+}
+
+
+/***********************************************************************
+ * LISTBOX_HandleKeyDown
+ */
+static LRESULT LISTBOX_HandleKeyDown( LB_DESCR *descr, DWORD key )
+{
+ INT caret = -1;
+ BOOL bForceSelection = TRUE; /* select item pointed to by focus_item */
+ if ((IS_MULTISELECT(descr)) || (descr->selected_item == descr->focus_item))
+ bForceSelection = FALSE; /* only for single select list */
+
+ if (descr->style & LBS_WANTKEYBOARDINPUT)
+ {
+ caret = SendMessageW( descr->owner, WM_VKEYTOITEM,
+ MAKEWPARAM(LOWORD(key), descr->focus_item),
+ (LPARAM)descr->self );
+ if (caret == -2) return 0;
+ }
+ if (caret == -1) switch(key)
+ {
+ case VK_LEFT:
+ if (descr->style & LBS_MULTICOLUMN)
+ {
+ bForceSelection = FALSE;
+ if (descr->focus_item >= descr->page_size)
+ caret = descr->focus_item - descr->page_size;
+ break;
+ }
+ /* fall through */
+ case VK_UP:
+ caret = descr->focus_item - 1;
+ if (caret < 0) caret = 0;
+ break;
+ case VK_RIGHT:
+ if (descr->style & LBS_MULTICOLUMN)
+ {
+ bForceSelection = FALSE;
+ if (descr->focus_item + descr->page_size < descr->nb_items)
+ caret = descr->focus_item + descr->page_size;
+ break;
+ }
+ /* fall through */
+ case VK_DOWN:
+ caret = descr->focus_item + 1;
+ if (caret >= descr->nb_items) caret = descr->nb_items - 1;
+ break;
+
+ case VK_PRIOR:
+ if (descr->style & LBS_MULTICOLUMN)
+ {
+ INT page = descr->width / descr->column_width;
+ if (page < 1) page = 1;
+ caret = descr->focus_item - (page * descr->page_size) + 1;
+ }
+ else caret = descr->focus_item-LISTBOX_GetCurrentPageSize(descr) + 1;
+ if (caret < 0) caret = 0;
+ break;
+ case VK_NEXT:
+ if (descr->style & LBS_MULTICOLUMN)
+ {
+ INT page = descr->width / descr->column_width;
+ if (page < 1) page = 1;
+ caret = descr->focus_item + (page * descr->page_size) - 1;
+ }
+ else caret = descr->focus_item + LISTBOX_GetCurrentPageSize(descr) - 1;
+ if (caret >= descr->nb_items) caret = descr->nb_items - 1;
+ break;
+ case VK_HOME:
+ caret = 0;
+ break;
+ case VK_END:
+ caret = descr->nb_items - 1;
+ break;
+ case VK_SPACE:
+ if (descr->style & LBS_EXTENDEDSEL) caret = descr->focus_item;
+ else if (descr->style & LBS_MULTIPLESEL)
+ {
+ LISTBOX_SetSelection( descr, descr->focus_item,
+ !descr->items[descr->focus_item].selected,
+ (descr->style & LBS_NOTIFY) != 0 );
+ }
+ break;
+ default:
+ bForceSelection = FALSE;
+ }
+ if (bForceSelection) /* focused item is used instead of key */
+ caret = descr->focus_item;
+ if (caret >= 0)
+ {
+ if (((descr->style & LBS_EXTENDEDSEL) &&
+ !(GetKeyState( VK_SHIFT ) & 0x8000)) ||
+ !IS_MULTISELECT(descr))
+ descr->anchor_item = caret;
+ LISTBOX_MoveCaret( descr, caret, TRUE );
+
+ if (descr->style & LBS_MULTIPLESEL)
+ descr->selected_item = caret;
+ else
+ LISTBOX_SetSelection( descr, caret, TRUE, FALSE);
+ if (descr->style & LBS_NOTIFY)
+ {
+ if( descr->lphc )
+ {
+ /* make sure that combo parent doesn't hide us */
+ descr->lphc->wState |= CBF_NOROLLUP;
+ }
+ if (descr->nb_items) SEND_NOTIFICATION( descr, LBN_SELCHANGE );
+ }
+ }
+ return 0;
+
+}
+
+
+/***********************************************************************
+ * LISTBOX_HandleChar
+ */
+static LRESULT LISTBOX_HandleChar( LB_DESCR *descr, WCHAR charW )
+{
+ INT caret = -1;
+ WCHAR str[2];
+
+ str[0] = charW;
+ str[1] = '\0';
+
+ if (descr->style & LBS_WANTKEYBOARDINPUT)
+ {
+ caret = SendMessageW( descr->owner, WM_CHARTOITEM,
+ MAKEWPARAM(charW, descr->focus_item),
+ (LPARAM)descr->self );
+ if (caret == -2) return 0;
+ }
+ if (caret == -1)
+ caret = LISTBOX_FindString( descr, descr->focus_item, str, FALSE);
+ if (caret != -1)
+ {
+ if ((!IS_MULTISELECT(descr)) && descr->selected_item == -1)
+ LISTBOX_SetSelection( descr, caret, TRUE, FALSE);
+ LISTBOX_MoveCaret( descr, caret, TRUE );
+ if ((descr->style & LBS_NOTIFY) && descr->nb_items)
+ SEND_NOTIFICATION( descr, LBN_SELCHANGE );
+ }
+ return 0;
+}
+
+
+/***********************************************************************
+ * LISTBOX_Create
+ */
+static BOOL LISTBOX_Create( HWND hwnd, LPHEADCOMBO lphc )
+{
+ LB_DESCR *descr;
+ MEASUREITEMSTRUCT mis;
+ RECT rect;
+
+ if (!(descr = HeapAlloc( GetProcessHeap(), 0, sizeof(*descr) )))
+ return FALSE;
+
+ GetClientRect( hwnd, &rect );
+ descr->self = hwnd;
+ descr->owner = GetParent( descr->self );
+ descr->style = GetWindowLongA( descr->self, GWL_STYLE );
+ descr->width = rect.right - rect.left;
+ descr->height = rect.bottom - rect.top;
+ descr->items = NULL;
+ descr->nb_items = 0;
+ descr->top_item = 0;
+ descr->selected_item = -1;
+ descr->focus_item = 0;
+ descr->anchor_item = -1;
+ descr->item_height = 1;
+ descr->page_size = 1;
+ descr->column_width = 150;
+ descr->horz_extent = (descr->style & WS_HSCROLL) ? 1 : 0;
+ descr->horz_pos = 0;
+ descr->nb_tabs = 0;
+ descr->tabs = NULL;
+ descr->caret_on = lphc ? FALSE : TRUE;
+ if (descr->style & LBS_NOSEL) descr->caret_on = FALSE;
+ descr->in_focus = FALSE;
+ descr->captured = FALSE;
+ descr->font = 0;
+ descr->locale = GetUserDefaultLCID();
+ descr->lphc = lphc;
+
+#ifndef __REACTOS__
+ if (is_old_app(hwnd) && ( descr->style & ( WS_VSCROLL | WS_HSCROLL ) ) )
+ {
+ /* Win95 document "List Box Differences" from MSDN:
+ If a list box in a version 3.x application has either the
+ WS_HSCROLL or WS_VSCROLL style, the list box receives both
+ horizontal and vertical scroll bars.
+ */
+ descr->style |= WS_VSCROLL | WS_HSCROLL;
+ }
+#endif
+
+ if( lphc )
+ {
+ TRACE_(combo)("[%p]: resetting owner %p -> %p\n", hwnd, descr->owner, lphc->self );
+ descr->owner = lphc->self;
+ }
+
+ SetWindowLongPtrW( descr->self, 0, (LONG_PTR)descr );
+
+/* if (wnd->dwExStyle & WS_EX_NOPARENTNOTIFY) descr->style &= ~LBS_NOTIFY;
+ */
+ if (descr->style & LBS_EXTENDEDSEL) descr->style |= LBS_MULTIPLESEL;
+ if (descr->style & LBS_MULTICOLUMN) descr->style &= ~LBS_OWNERDRAWVARIABLE;
+ if (descr->style & LBS_OWNERDRAWVARIABLE) descr->style |= LBS_NOINTEGRALHEIGHT;
+ descr->item_height = LISTBOX_SetFont( descr, 0 );
+
+ if (descr->style & LBS_OWNERDRAWFIXED)
+ {
+ if( descr->lphc && (descr->lphc->dwStyle & CBS_DROPDOWN))
+ {
+ /* WinWord gets VERY unhappy if we send WM_MEASUREITEM from here */
+ descr->item_height = lphc->fixedOwnerDrawHeight;
+ }
+ else
+ {
+ UINT id = (UINT)GetWindowLongPtrW( descr->self, GWLP_ID );
+ mis.CtlType = ODT_LISTBOX;
+ mis.CtlID = id;
+ mis.itemID = -1;
+ mis.itemWidth = 0;
+ mis.itemData = 0;
+ mis.itemHeight = descr->item_height;
+ SendMessageW( descr->owner, WM_MEASUREITEM, id, (LPARAM)&mis );
+ descr->item_height = mis.itemHeight ? mis.itemHeight : 1;
+ }
+ }
+
+ TRACE("owner: %p, style: %08x, width: %d, height: %d\n", descr->owner, descr->style, descr->width, descr->height);
+ return TRUE;
+}
+
+
+/***********************************************************************
+ * LISTBOX_Destroy
+ */
+static BOOL LISTBOX_Destroy( LB_DESCR *descr )
+{
+ LISTBOX_ResetContent( descr );
+ SetWindowLongPtrW( descr->self, 0, 0 );
+ HeapFree( GetProcessHeap(), 0, descr );
+ return TRUE;
+}
+
+
+/***********************************************************************
+ * ListBoxWndProc_common
+ */
+static LRESULT WINAPI ListBoxWndProc_common( HWND hwnd, UINT msg,
+ WPARAM wParam, LPARAM lParam, BOOL unicode )
+{
+ LB_DESCR *descr = (LB_DESCR *)GetWindowLongPtrW( hwnd, 0 );
+ LRESULT ret;
+ LPHEADCOMBO lphc = 0;
+
+ if (!descr)
+ {
+ if (!IsWindow(hwnd)) return 0;
+
+ if (msg == WM_CREATE)
+ {
+ CREATESTRUCTW *lpcs = (CREATESTRUCTW *)lParam;
+ if (lpcs->style & LBS_COMBOBOX) lphc = (LPHEADCOMBO)lpcs->lpCreateParams;
+ if (!LISTBOX_Create( hwnd, lphc ))
+ return -1;
+ TRACE("creating wnd=%p descr=%lx\n", hwnd, GetWindowLongPtrW( hwnd, 0 ) );
+ return 0;
+ }
+ /* Ignore all other messages before we get a WM_CREATE */
+ return unicode ? DefWindowProcW( hwnd, msg, wParam, lParam ) :
+ DefWindowProcA( hwnd, msg, wParam, lParam );
+ }
+ if (descr->style & LBS_COMBOBOX) lphc = descr->lphc;
+
+ //TRACE("[%p]: msg %s wp %08x lp %08lx\n",
+ // hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam );
+ switch(msg)
+ {
+#ifndef __REACTOS__
+ case LB_RESETCONTENT16:
+#endif
+ case LB_RESETCONTENT:
+ LISTBOX_ResetContent( descr );
+ LISTBOX_UpdateScroll( descr );
+ InvalidateRect( descr->self, NULL, TRUE );
+ return 0;
+
+#ifndef __REACTOS__
+ case LB_ADDSTRING16:
+ if (HAS_STRINGS(descr)) lParam = (LPARAM)MapSL(lParam);
+ /* fall through */
+#endif
+ case LB_ADDSTRING:
+ {
+ INT ret;
+ LPWSTR textW;
+ if(unicode || !HAS_STRINGS(descr))
+ textW = (LPWSTR)lParam;
+ else
+ {
+ LPSTR textA = (LPSTR)lParam;
+ INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
+ if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
+ MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
+ }
+ wParam = LISTBOX_FindStringPos( descr, textW, FALSE );
+ ret = LISTBOX_InsertString( descr, wParam, textW );
+ if (!unicode && HAS_STRINGS(descr))
+ HeapFree(GetProcessHeap(), 0, textW);
+ return ret;
+ }
+
+#ifndef __REACTOS__
+ case LB_INSERTSTRING16:
+ if (HAS_STRINGS(descr)) lParam = (LPARAM)MapSL(lParam);
+ wParam = (INT)(INT16)wParam;
+ /* fall through */
+#endif
+ case LB_INSERTSTRING:
+ {
+ INT ret;
+ LPWSTR textW;
+ if(unicode || !HAS_STRINGS(descr))
+ textW = (LPWSTR)lParam;
+ else
+ {
+ LPSTR textA = (LPSTR)lParam;
+ INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
+ if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
+ MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
+ }
+ ret = LISTBOX_InsertString( descr, wParam, textW );
+ if(!unicode && HAS_STRINGS(descr))
+ HeapFree(GetProcessHeap(), 0, textW);
+ return ret;
+ }
+
+#ifndef __REACTOS__
+ case LB_ADDFILE16:
+ if (HAS_STRINGS(descr)) lParam = (LPARAM)MapSL(lParam);
+ /* fall through */
+#endif
+ case LB_ADDFILE:
+ {
+ INT ret;
+ LPWSTR textW;
+ if(unicode || !HAS_STRINGS(descr))
+ textW = (LPWSTR)lParam;
+ else
+ {
+ LPSTR textA = (LPSTR)lParam;
+ INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
+ if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
+ MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
+ }
+ wParam = LISTBOX_FindFileStrPos( descr, textW );
+ ret = LISTBOX_InsertString( descr, wParam, textW );
+ if(!unicode && HAS_STRINGS(descr))
+ HeapFree(GetProcessHeap(), 0, textW);
+ return ret;
+ }
+
+#ifndef __REACTOS__
+ case LB_DELETESTRING16:
+#endif
+ case LB_DELETESTRING:
+ if (LISTBOX_RemoveItem( descr, wParam) != LB_ERR)
+ return descr->nb_items;
+ else
+ {
+ SetLastError(ERROR_INVALID_INDEX);
+ return LB_ERR;
+ }
+
+#ifndef __REACTOS__
+ case LB_GETITEMDATA16:
+#endif
+ case LB_GETITEMDATA:
+ if (((INT)wParam < 0) || ((INT)wParam >= descr->nb_items))
+ {
+ SetLastError(ERROR_INVALID_INDEX);
+ return LB_ERR;
+ }
+ return descr->items[wParam].data;
+
+#ifndef __REACTOS__
+ case LB_SETITEMDATA16:
+#endif
+ case LB_SETITEMDATA:
+ if (((INT)wParam < 0) || ((INT)wParam >= descr->nb_items))
+ {
+ SetLastError(ERROR_INVALID_INDEX);
+ return LB_ERR;
+ }
+ descr->items[wParam].data = (DWORD)lParam;
+ return LB_OKAY;
+
+#ifndef __REACTOS__
+ case LB_GETCOUNT16:
+#endif
+ case LB_GETCOUNT:
+ return descr->nb_items;
+
+#ifndef __REACTOS__
+ case LB_GETTEXT16:
+ lParam = (LPARAM)MapSL(lParam);
+ /* fall through */
+#endif
+ case LB_GETTEXT:
+ return LISTBOX_GetText( descr, wParam, (LPWSTR)lParam, unicode );
+
+#ifndef __REACTOS__
+ case LB_GETTEXTLEN16:
+ /* fall through */
+#endif
+ case LB_GETTEXTLEN:
+ if ((INT)wParam >= descr->nb_items || (INT)wParam < 0)
+ {
+ SetLastError(ERROR_INVALID_INDEX);
+ return LB_ERR;
+ }
+ if (!HAS_STRINGS(descr)) return sizeof(DWORD);
+ if (unicode) return strlenW( descr->items[wParam].str );
+ return WideCharToMultiByte( CP_ACP, 0, descr->items[wParam].str,
+ strlenW(descr->items[wParam].str), NULL, 0, NULL, NULL );
+
+#ifndef __REACTOS__
+ case LB_GETCURSEL16:
+#endif
+ case LB_GETCURSEL:
+ if (descr->nb_items==0)
+ return LB_ERR;
+ if (!IS_MULTISELECT(descr))
+ return descr->selected_item;
+ /* else */
+ if (descr->selected_item!=-1)
+ return descr->selected_item;
+ /* else */
+ return descr->focus_item;
+ /* otherwise, if the user tries to move the selection with the */
+ /* arrow keys, we will give the application something to choke on */
+#ifndef __REACTOS__
+ case LB_GETTOPINDEX16:
+#endif
+ case LB_GETTOPINDEX:
+ return descr->top_item;
+#ifndef __REACTOS__
+ case LB_GETITEMHEIGHT16:
+#endif
+ case LB_GETITEMHEIGHT:
+ return LISTBOX_GetItemHeight( descr, wParam );
+
+#ifndef __REACTOS__
+ case LB_SETITEMHEIGHT16:
+ lParam = LOWORD(lParam);
+ /* fall through */
+#endif
+ case LB_SETITEMHEIGHT:
+ return LISTBOX_SetItemHeight( descr, wParam, lParam, TRUE );
+
+ case LB_ITEMFROMPOINT:
+ {
+ POINT pt;
+ RECT rect;
+
+ pt.x = LOWORD(lParam);
+ pt.y = HIWORD(lParam);
+ rect.left = 0;
+ rect.top = 0;
+ rect.right = descr->width;
+ rect.bottom = descr->height;
+
+ return MAKELONG( LISTBOX_GetItemFromPoint(descr, pt.x, pt.y),
+ !PtInRect( &rect, pt ) );
+ }
+
+#ifndef __REACTOS__
+ case LB_SETCARETINDEX16:
+#endif
+ case LB_SETCARETINDEX:
+ if ((!IS_MULTISELECT(descr)) && (descr->selected_item != -1)) return LB_ERR;
+ if (LISTBOX_SetCaretIndex( descr, wParam, !lParam ) == LB_ERR)
+ return LB_ERR;
+ else if (ISWIN31)
+ return wParam;
+ else
+ return LB_OKAY;
+
+#ifndef __REACTOS__
+ case LB_GETCARETINDEX16:
+#endif
+ case LB_GETCARETINDEX:
+ return descr->focus_item;
+
+#ifndef __REACTOS__
+ case LB_SETTOPINDEX16:
+#endif
+ case LB_SETTOPINDEX:
+ return LISTBOX_SetTopItem( descr, wParam, TRUE );
+
+#ifndef __REACTOS__
+ case LB_SETCOLUMNWIDTH16:
+#endif
+ case LB_SETCOLUMNWIDTH:
+ return LISTBOX_SetColumnWidth( descr, wParam );
+
+#ifndef __REACTOS__
+ case LB_GETITEMRECT16:
+ {
+ RECT rect;
+ ret = LISTBOX_GetItemRect( descr, (INT16)wParam, &rect );
+ CONV_RECT32TO16( &rect, MapSL(lParam) );
+ }
+ return ret;
+#endif
+
+ case LB_GETITEMRECT:
+ return LISTBOX_GetItemRect( descr, wParam, (RECT *)lParam );
+
+#ifndef __REACTOS__
+ case LB_FINDSTRING16:
+ wParam = (INT)(INT16)wParam;
+ if (HAS_STRINGS(descr)) lParam = (LPARAM)MapSL(lParam);
+ /* fall through */
+#endif
+ case LB_FINDSTRING:
+ {
+ INT ret;
+ LPWSTR textW;
+ if(unicode || !HAS_STRINGS(descr))
+ textW = (LPWSTR)lParam;
+ else
+ {
+ LPSTR textA = (LPSTR)lParam;
+ INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
+ if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
+ MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
+ }
+ ret = LISTBOX_FindString( descr, wParam, textW, FALSE );
+ if(!unicode && HAS_STRINGS(descr))
+ HeapFree(GetProcessHeap(), 0, textW);
+ return ret;
+ }
+
+#ifndef __REACTOS__
+ case LB_FINDSTRINGEXACT16:
+ wParam = (INT)(INT16)wParam;
+ if (HAS_STRINGS(descr)) lParam = (LPARAM)MapSL(lParam);
+ /* fall through */
+#endif
+ case LB_FINDSTRINGEXACT:
+ {
+ INT ret;
+ LPWSTR textW;
+ if(unicode || !HAS_STRINGS(descr))
+ textW = (LPWSTR)lParam;
+ else
+ {
+ LPSTR textA = (LPSTR)lParam;
+ INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
+ if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
+ MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
+ }
+ ret = LISTBOX_FindString( descr, wParam, textW, TRUE );
+ if(!unicode && HAS_STRINGS(descr))
+ HeapFree(GetProcessHeap(), 0, textW);
+ return ret;
+ }
+
+#ifndef __REACTOS__
+ case LB_SELECTSTRING16:
+ wParam = (INT)(INT16)wParam;
+ if (HAS_STRINGS(descr)) lParam = (LPARAM)MapSL(lParam);
+ /* fall through */
+#endif
+ case LB_SELECTSTRING:
+ {
+ INT index;
+ LPWSTR textW;
+
+ if(HAS_STRINGS(descr))
+ TRACE("LB_SELECTSTRING: %s\n", unicode ? debugstr_w((LPWSTR)lParam) :
+ debugstr_a((LPSTR)lParam));
+ if(unicode || !HAS_STRINGS(descr))
+ textW = (LPWSTR)lParam;
+ else
+ {
+ LPSTR textA = (LPSTR)lParam;
+ INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
+ if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
+ MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
+ }
+ index = LISTBOX_FindString( descr, wParam, textW, FALSE );
+ if(!unicode && HAS_STRINGS(descr))
+ HeapFree(GetProcessHeap(), 0, textW);
+ if (index != LB_ERR)
+ {
+ LISTBOX_MoveCaret( descr, index, TRUE );
+ LISTBOX_SetSelection( descr, index, TRUE, FALSE );
+ }
+ return index;
+ }
+
+#ifndef __REACTOS__
+ case LB_GETSEL16:
+ wParam = (INT)(INT16)wParam;
+ /* fall through */
+#endif
+ case LB_GETSEL:
+ if (((INT)wParam < 0) || ((INT)wParam >= descr->nb_items))
+ return LB_ERR;
+ return descr->items[wParam].selected;
+
+#ifndef __REACTOS__
+ case LB_SETSEL16:
+ lParam = (INT)(INT16)lParam;
+ /* fall through */
+#endif
+ case LB_SETSEL:
+ return LISTBOX_SetSelection( descr, lParam, wParam, FALSE );
+
+#ifndef __REACTOS__
+ case LB_SETCURSEL16:
+ wParam = (INT)(INT16)wParam;
+ /* fall through */
+#endif
+ case LB_SETCURSEL:
+ if (IS_MULTISELECT(descr)) return LB_ERR;
+ LISTBOX_SetCaretIndex( descr, wParam, TRUE );
+ ret = LISTBOX_SetSelection( descr, wParam, TRUE, FALSE );
+ if (lphc && ret != LB_ERR) ret = descr->selected_item;
+ return ret;
+
+#ifndef __REACTOS__
+ case LB_GETSELCOUNT16:
+#endif
+ case LB_GETSELCOUNT:
+ return LISTBOX_GetSelCount( descr );
+
+#ifndef __REACTOS__
+ case LB_GETSELITEMS16:
+ return LISTBOX_GetSelItems16( descr, wParam, (LPINT16)MapSL(lParam) );
+#endif
+
+ case LB_GETSELITEMS:
+ return LISTBOX_GetSelItems( descr, wParam, (LPINT)lParam );
+
+#ifndef __REACTOS__
+ case LB_SELITEMRANGE16:
+#endif
+ case LB_SELITEMRANGE:
+ if (LOWORD(lParam) <= HIWORD(lParam))
+ return LISTBOX_SelectItemRange( descr, LOWORD(lParam),
+ HIWORD(lParam), wParam );
+ else
+ return LISTBOX_SelectItemRange( descr, HIWORD(lParam),
+ LOWORD(lParam), wParam );
+
+#ifndef __REACTOS__
+ case LB_SELITEMRANGEEX16:
+#endif
+ case LB_SELITEMRANGEEX:
+ if ((INT)lParam >= (INT)wParam)
+ return LISTBOX_SelectItemRange( descr, wParam, lParam, TRUE );
+ else
+ return LISTBOX_SelectItemRange( descr, lParam, wParam, FALSE);
+
+#ifndef __REACTOS__
+ case LB_GETHORIZONTALEXTENT16:
+#endif
+ case LB_GETHORIZONTALEXTENT:
+ return descr->horz_extent;
+
+#ifndef __REACTOS__
+ case LB_SETHORIZONTALEXTENT16:
+#endif
+ case LB_SETHORIZONTALEXTENT:
+ return LISTBOX_SetHorizontalExtent( descr, wParam );
+
+#ifndef __REACTOS__
+ case LB_GETANCHORINDEX16:
+#endif
+ case LB_GETANCHORINDEX:
+ return descr->anchor_item;
+
+#ifndef __REACTOS__
+ case LB_SETANCHORINDEX16:
+ wParam = (INT)(INT16)wParam;
+ /* fall through */
+#endif
+ case LB_SETANCHORINDEX:
+ if (((INT)wParam < -1) || ((INT)wParam >= descr->nb_items))
+ {
+ SetLastError(ERROR_INVALID_INDEX);
+ return LB_ERR;
+ }
+ descr->anchor_item = (INT)wParam;
+ return LB_OKAY;
+
+#ifndef __REACTOS__
+ case LB_DIR16:
+ /* according to Win16 docs, DDL_DRIVES should make DDL_EXCLUSIVE
+ * be set automatically (this is different in Win32) */
+ if (wParam & DDL_DRIVES) wParam |= DDL_EXCLUSIVE;
+ lParam = (LPARAM)MapSL(lParam);
+ /* fall through */
+#endif
+ case LB_DIR:
+ {
+ INT ret;
+ LPWSTR textW;
+ if(unicode)
+ textW = (LPWSTR)lParam;
+ else
+ {
+ LPSTR textA = (LPSTR)lParam;
+ INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
+ if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
+ MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
+ }
+ ret = LISTBOX_Directory( descr, wParam, textW, msg == LB_DIR );
+ if(!unicode)
+ HeapFree(GetProcessHeap(), 0, textW);
+ return ret;
+ }
+
+ case LB_GETLOCALE:
+ return descr->locale;
+
+ case LB_SETLOCALE:
+ {
+ LCID ret;
+ if (!IsValidLocale((LCID)wParam, LCID_INSTALLED))
+ return LB_ERR;
+ ret = descr->locale;
+ descr->locale = (LCID)wParam;
+ return ret;
+ }
+
+ case LB_INITSTORAGE:
+ return LISTBOX_InitStorage( descr, wParam );
+
+ case LB_SETCOUNT:
+ return LISTBOX_SetCount( descr, (INT)wParam );
+
+#ifndef __REACTOS__
+ case LB_SETTABSTOPS16:
+ return LISTBOX_SetTabStops( descr, (INT)(INT16)wParam, MapSL(lParam), TRUE );
+#endif
+
+ case LB_SETTABSTOPS:
+ return LISTBOX_SetTabStops( descr, wParam, (LPINT)lParam, FALSE );
+
+#ifndef __REACTOS__
+ case LB_CARETON16:
+#endif
+ case LB_CARETON:
+ if (descr->caret_on)
+ return LB_OKAY;
+ descr->caret_on = TRUE;
+ if ((descr->focus_item != -1) && (descr->in_focus))
+ LISTBOX_RepaintItem( descr, descr->focus_item, ODA_FOCUS );
+ return LB_OKAY;
+
+#ifndef __REACTOS__
+ case LB_CARETOFF16:
+#endif
+ case LB_CARETOFF:
+ if (!descr->caret_on)
+ return LB_OKAY;
+ descr->caret_on = FALSE;
+ if ((descr->focus_item != -1) && (descr->in_focus))
+ LISTBOX_RepaintItem( descr, descr->focus_item, ODA_FOCUS );
+ return LB_OKAY;
+
+ case WM_DESTROY:
+ return LISTBOX_Destroy( descr );
+
+ case WM_ENABLE:
+ InvalidateRect( hwnd, NULL, TRUE );
+ return 0;
+
+ case WM_SETREDRAW:
+ LISTBOX_SetRedraw( descr, wParam != 0 );
+ return 0;
+
+ case WM_GETDLGCODE:
+ return DLGC_WANTARROWS | DLGC_WANTCHARS;
+
+ case WM_PAINT:
+ {
+ PAINTSTRUCT ps;
+ HDC hdc = ( wParam ) ? ((HDC)wParam) : BeginPaint( hwnd, &ps );
+ ret = LISTBOX_Paint( descr, hdc );
+ if( !wParam ) EndPaint( hwnd, &ps );
+ }
+ return ret;
+ case WM_SIZE:
+ LISTBOX_UpdateSize( descr );
+ return 0;
+ case WM_GETFONT:
+ return (LRESULT)descr->font;
+ case WM_SETFONT:
+ LISTBOX_SetFont( descr, (HFONT)wParam );
+ if (lParam) InvalidateRect( hwnd, 0, TRUE );
+ return 0;
+ case WM_SETFOCUS:
+ descr->in_focus = TRUE;
+ descr->caret_on = TRUE;
+ if (descr->focus_item != -1)
+ LISTBOX_RepaintItem( descr, descr->focus_item, ODA_FOCUS );
+ SEND_NOTIFICATION( descr, LBN_SETFOCUS );
+ return 0;
+ case WM_KILLFOCUS:
+ descr->in_focus = FALSE;
+ if ((descr->focus_item != -1) && descr->caret_on)
+ LISTBOX_RepaintItem( descr, descr->focus_item, ODA_FOCUS );
+ SEND_NOTIFICATION( descr, LBN_KILLFOCUS );
+ return 0;
+ case WM_HSCROLL:
+ return LISTBOX_HandleHScroll( descr, LOWORD(wParam), HIWORD(wParam) );
+ case WM_VSCROLL:
+ return LISTBOX_HandleVScroll( descr, LOWORD(wParam), HIWORD(wParam) );
+ case WM_MOUSEWHEEL:
+ if (wParam & (MK_SHIFT | MK_CONTROL))
+ return DefWindowProcW( hwnd, msg, wParam, lParam );
+ return LISTBOX_HandleMouseWheel( descr, (SHORT)HIWORD(wParam) );
+ case WM_LBUTTONDOWN:
+ if (lphc)
+ return LISTBOX_HandleLButtonDownCombo(descr, msg, wParam,
+ (INT16)LOWORD(lParam),
+ (INT16)HIWORD(lParam) );
+ return LISTBOX_HandleLButtonDown(descr, wParam,
+ (INT16)LOWORD(lParam),
+ (INT16)HIWORD(lParam) );
+ case WM_LBUTTONDBLCLK:
+ if (lphc)
+ return LISTBOX_HandleLButtonDownCombo(descr, msg, wParam,
+ (INT16)LOWORD(lParam),
+ (INT16)HIWORD(lParam) );
+ if (descr->style & LBS_NOTIFY)
+ SEND_NOTIFICATION( descr, LBN_DBLCLK );
+ return 0;
+ case WM_MOUSEMOVE:
+ if ( lphc && ((lphc->dwStyle & CBS_DROPDOWNLIST) != CBS_SIMPLE) )
+ {
+ BOOL captured = descr->captured;
+ POINT mousePos;
+ RECT clientRect;
+
+ mousePos.x = (INT16)LOWORD(lParam);
+ mousePos.y = (INT16)HIWORD(lParam);
+
+ /*
+ * If we are in a dropdown combobox, we simulate that
+ * the mouse is captured to show the tracking of the item.
+ */
+ if (GetClientRect(descr->self, &clientRect) && PtInRect( &clientRect, mousePos ))
+ descr->captured = TRUE;
+
+ LISTBOX_HandleMouseMove( descr, mousePos.x, mousePos.y);
+
+ descr->captured = captured;
+ }
+ else if (GetCapture() == descr->self)
+ {
+ LISTBOX_HandleMouseMove( descr, (INT16)LOWORD(lParam),
+ (INT16)HIWORD(lParam) );
+ }
+ return 0;
+ case WM_LBUTTONUP:
+ if (lphc)
+ {
+ POINT mousePos;
+ RECT clientRect;
+
+ /*
+ * If the mouse button "up" is not in the listbox,
+ * we make sure there is no selection by re-selecting the
+ * item that was selected when the listbox was made visible.
+ */
+ mousePos.x = (INT16)LOWORD(lParam);
+ mousePos.y = (INT16)HIWORD(lParam);
+
+ GetClientRect(hwnd, &clientRect);
+
+ /*
+ * When the user clicks outside the combobox and the focus
+ * is lost, the owning combobox will send a fake buttonup with
+ * 0xFFFFFFF as the mouse location, we must also revert the
+ * selection to the original selection.
+ */
+ if ( (lParam == (LPARAM)-1) || (!PtInRect( &clientRect, mousePos )) )
+ LISTBOX_MoveCaret( descr, lphc->droppedIndex, FALSE );
+ }
+ return LISTBOX_HandleLButtonUp( descr );
+ case WM_KEYDOWN:
+ if( lphc && (lphc->dwStyle & CBS_DROPDOWNLIST) != CBS_SIMPLE )
+ {
+ /* for some reason Windows makes it possible to
+ * show/hide ComboLBox by sending it WM_KEYDOWNs */
+
+ if( (!(lphc->wState & CBF_EUI) && wParam == VK_F4) ||
+ ( (lphc->wState & CBF_EUI) && !(lphc->wState & CBF_DROPPED)
+ && (wParam == VK_DOWN || wParam == VK_UP)) )
+ {
+ COMBO_FlipListbox( lphc, FALSE, FALSE );
+ return 0;
+ }
+ }
+ return LISTBOX_HandleKeyDown( descr, wParam );
+ case WM_CHAR:
+ {
+ WCHAR charW;
+ if(unicode)
+ charW = (WCHAR)wParam;
+ else
+ {
+ CHAR charA = (CHAR)wParam;
+ MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1);
+ }
+ return LISTBOX_HandleChar( descr, charW );
+ }
+ case WM_SYSTIMER:
+ return LISTBOX_HandleSystemTimer( descr );
+ case WM_ERASEBKGND:
+ if ((IS_OWNERDRAW(descr)) && !(descr->style & LBS_DISPLAYCHANGED))
+ {
+ RECT rect;
+ HBRUSH hbrush = (HBRUSH)SendMessageW( descr->owner, WM_CTLCOLORLISTBOX,
+ wParam, (LPARAM)descr->self );
+ TRACE("hbrush = %p\n", hbrush);
+ if(!hbrush)
+ hbrush = GetSysColorBrush(COLOR_WINDOW);
+ if(hbrush)
+ {
+ GetClientRect(descr->self, &rect);
+ FillRect((HDC)wParam, &rect, hbrush);
+ }
+ }
+ return 1;
+ case WM_DROPFILES:
+ if( lphc ) return 0;
+ return unicode ? SendMessageW( descr->owner, msg, wParam, lParam ) :
+ SendMessageA( descr->owner, msg, wParam, lParam );
+ case WM_NCDESTROY:
+ if( lphc && (lphc->dwStyle & CBS_DROPDOWNLIST) != CBS_SIMPLE )
+ lphc->hWndLBox = 0;
+ break;
+
+ case WM_NCACTIVATE:
+ if (lphc) return 0;
+ break;
+
+ default:
+ if ((msg >= WM_USER) && (msg < 0xc000))
+ WARN("[%p]: unknown msg %04x wp %08x lp %08lx\n",
+ hwnd, msg, wParam, lParam );
+ }
+
+ return unicode ? DefWindowProcW( hwnd, msg, wParam, lParam ) :
+ DefWindowProcA( hwnd, msg, wParam, lParam );
+}
+
+/***********************************************************************
+ * ListBoxWndProcA
+ *
+ * This is just a wrapper for the real wndproc, it only does window locking
+ * and unlocking.
+ */
+static LRESULT WINAPI ListBoxWndProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
+{
+ return ListBoxWndProc_common( hwnd, msg, wParam, lParam, FALSE );
+}
+
+/***********************************************************************
+ * ListBoxWndProcW
+ */
+static LRESULT WINAPI ListBoxWndProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
+{
+ return ListBoxWndProc_common( hwnd, msg, wParam, lParam, TRUE );
+}
+
+/***********************************************************************
+ * GetListBoxInfo
+ */
DWORD STDCALL
GetListBoxInfo(HWND hwnd)
{
+ UNIMPLEMENTED;
return 0;
}
+