3130 lines
98 KiB
C
3130 lines
98 KiB
C
/*
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* Listbox controls
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*
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* Copyright 1996 Alexandre Julliard
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* Copyright 2005 Frank Richter
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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* TODO:
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* - LBS_NODATA for multi-selection listboxes
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*/
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#include <string.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "commctrl.h"
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#include "uxtheme.h"
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#include "vssym32.h"
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#include "wine/unicode.h"
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#include "wine/exception.h"
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#include "wine/debug.h"
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#include "wine/heap.h"
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#include "comctl32.h"
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WINE_DEFAULT_DEBUG_CHANNEL(listbox);
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/* Items array granularity (must be power of 2) */
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#define LB_ARRAY_GRANULARITY 16
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/* Scrolling timeout in ms */
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#define LB_SCROLL_TIMEOUT 50
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/* Listbox system timer id */
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#define LB_TIMER_ID 2
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/* flag listbox changed while setredraw false - internal style */
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#define LBS_DISPLAYCHANGED 0x80000000
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/* Item structure */
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typedef struct
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{
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LPWSTR str; /* Item text */
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BOOL selected; /* Is item selected? */
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UINT height; /* Item height (only for OWNERDRAWVARIABLE) */
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ULONG_PTR data; /* User data */
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} LB_ITEMDATA;
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/* Listbox structure */
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typedef struct
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{
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HWND self; /* Our own window handle */
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HWND owner; /* Owner window to send notifications to */
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UINT style; /* Window style */
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INT width; /* Window width */
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INT height; /* Window height */
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LB_ITEMDATA *items; /* Array of items */
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INT nb_items; /* Number of items */
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UINT items_size; /* Total number of allocated items in the array */
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INT top_item; /* Top visible item */
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INT selected_item; /* Selected item */
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INT focus_item; /* Item that has the focus */
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INT anchor_item; /* Anchor item for extended selection */
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INT item_height; /* Default item height */
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INT page_size; /* Items per listbox page */
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INT column_width; /* Column width for multi-column listboxes */
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INT horz_extent; /* Horizontal extent */
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INT horz_pos; /* Horizontal position */
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INT nb_tabs; /* Number of tabs in array */
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INT *tabs; /* Array of tabs */
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INT avg_char_width; /* Average width of characters */
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INT wheel_remain; /* Left over scroll amount */
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BOOL caret_on; /* Is caret on? */
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BOOL captured; /* Is mouse captured? */
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BOOL in_focus;
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HFONT font; /* Current font */
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LCID locale; /* Current locale for string comparisons */
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HEADCOMBO *lphc; /* ComboLBox */
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} LB_DESCR;
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#define IS_OWNERDRAW(descr) \
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((descr)->style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE))
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#define HAS_STRINGS(descr) \
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(!IS_OWNERDRAW(descr) || ((descr)->style & LBS_HASSTRINGS))
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#define IS_MULTISELECT(descr) \
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((descr)->style & (LBS_MULTIPLESEL|LBS_EXTENDEDSEL) && \
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!((descr)->style & LBS_NOSEL))
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#define SEND_NOTIFICATION(descr,code) \
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(SendMessageW( (descr)->owner, WM_COMMAND, \
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MAKEWPARAM( GetWindowLongPtrW((descr->self),GWLP_ID), (code)), (LPARAM)(descr->self) ))
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#define ISWIN31 (LOWORD(GetVersion()) == 0x0a03)
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/* Current timer status */
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typedef enum
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{
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LB_TIMER_NONE,
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LB_TIMER_UP,
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LB_TIMER_LEFT,
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LB_TIMER_DOWN,
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LB_TIMER_RIGHT
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} TIMER_DIRECTION;
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static TIMER_DIRECTION LISTBOX_Timer = LB_TIMER_NONE;
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static LRESULT LISTBOX_GetItemRect( const LB_DESCR *descr, INT index, RECT *rect );
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static BOOL resize_storage(LB_DESCR *descr, UINT items_size)
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{
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LB_ITEMDATA *items;
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if (items_size > descr->items_size ||
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items_size + LB_ARRAY_GRANULARITY * 2 < descr->items_size)
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{
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items_size = (items_size + LB_ARRAY_GRANULARITY - 1) & ~(LB_ARRAY_GRANULARITY - 1);
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if ((descr->style & (LBS_NODATA | LBS_MULTIPLESEL | LBS_EXTENDEDSEL)) != LBS_NODATA)
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{
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items = heap_realloc(descr->items, items_size * sizeof(LB_ITEMDATA));
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if (!items)
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{
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SEND_NOTIFICATION(descr, LBN_ERRSPACE);
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return FALSE;
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}
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descr->items = items;
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}
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descr->items_size = items_size;
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}
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if ((descr->style & LBS_NODATA) && descr->items && items_size > descr->nb_items)
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{
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memset(&descr->items[descr->nb_items], 0,
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(items_size - descr->nb_items) * sizeof(LB_ITEMDATA));
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}
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return TRUE;
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}
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static ULONG_PTR get_item_data( const LB_DESCR *descr, UINT index )
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{
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return (descr->style & LBS_NODATA) ? 0 : descr->items[index].data;
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}
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static WCHAR *get_item_string( const LB_DESCR *descr, UINT index )
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{
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return HAS_STRINGS(descr) ? descr->items[index].str : NULL;
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}
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static UINT get_item_height( const LB_DESCR *descr, UINT index )
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{
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return (descr->style & LBS_NODATA) ? 0 : descr->items[index].height;
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}
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static void set_item_height( LB_DESCR *descr, UINT index, UINT height )
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{
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if (!(descr->style & LBS_NODATA)) descr->items[index].height = height;
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}
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static BOOL is_item_selected( const LB_DESCR *descr, UINT index )
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{
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if (!(descr->style & (LBS_MULTIPLESEL | LBS_EXTENDEDSEL)))
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return index == descr->selected_item;
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return descr->items[index].selected;
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}
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static void set_item_selected_state(LB_DESCR *descr, UINT index, BOOL state)
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{
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if (descr->style & (LBS_MULTIPLESEL | LBS_EXTENDEDSEL))
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descr->items[index].selected = state;
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}
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static void insert_item_data(LB_DESCR *descr, UINT index, WCHAR *str, ULONG_PTR data)
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{
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LB_ITEMDATA *item;
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if (!descr->items) return;
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item = descr->items + index;
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if (index < descr->nb_items)
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memmove(item + 1, item, (descr->nb_items - index) * sizeof(LB_ITEMDATA));
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item->str = str;
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item->data = HAS_STRINGS(descr) ? 0 : data;
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item->height = 0;
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item->selected = FALSE;
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}
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static void remove_item_data(LB_DESCR *descr, UINT index)
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{
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LB_ITEMDATA *item;
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if (!descr->items) return;
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item = descr->items + index;
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if (index < descr->nb_items)
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memmove(item, item + 1, (descr->nb_items - index) * sizeof(LB_ITEMDATA));
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}
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/***********************************************************************
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* LISTBOX_GetCurrentPageSize
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*
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* Return the current page size
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*/
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static INT LISTBOX_GetCurrentPageSize( const LB_DESCR *descr )
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{
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INT i, height;
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if (!(descr->style & LBS_OWNERDRAWVARIABLE)) return descr->page_size;
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for (i = descr->top_item, height = 0; i < descr->nb_items; i++)
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{
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if ((height += get_item_height(descr, i)) > descr->height) break;
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}
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if (i == descr->top_item) return 1;
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else return i - descr->top_item;
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}
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/***********************************************************************
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* LISTBOX_GetMaxTopIndex
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*
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* Return the maximum possible index for the top of the listbox.
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*/
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static INT LISTBOX_GetMaxTopIndex( const LB_DESCR *descr )
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{
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INT max, page;
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if (descr->style & LBS_OWNERDRAWVARIABLE)
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{
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page = descr->height;
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for (max = descr->nb_items - 1; max >= 0; max--)
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if ((page -= get_item_height(descr, max)) < 0) break;
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if (max < descr->nb_items - 1) max++;
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}
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else if (descr->style & LBS_MULTICOLUMN)
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{
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if ((page = descr->width / descr->column_width) < 1) page = 1;
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max = (descr->nb_items + descr->page_size - 1) / descr->page_size;
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max = (max - page) * descr->page_size;
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}
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else
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{
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max = descr->nb_items - descr->page_size;
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}
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if (max < 0) max = 0;
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return max;
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}
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/***********************************************************************
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* LISTBOX_UpdateScroll
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*
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* Update the scrollbars. Should be called whenever the content
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* of the listbox changes.
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*/
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static void LISTBOX_UpdateScroll( LB_DESCR *descr )
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{
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SCROLLINFO info;
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/* Check the listbox scroll bar flags individually before we call
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SetScrollInfo otherwise when the listbox style is WS_HSCROLL and
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no WS_VSCROLL, we end up with an uninitialized, visible horizontal
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scroll bar when we do not need one.
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if (!(descr->style & WS_VSCROLL)) return;
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*/
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/* It is important that we check descr->style, and not wnd->dwStyle,
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for WS_VSCROLL, as the former is exactly the one passed in
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argument to CreateWindow.
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In Windows (and from now on in Wine :) a listbox created
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with such a style (no WS_SCROLL) does not update
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the scrollbar with listbox-related data, thus letting
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the programmer use it for his/her own purposes. */
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if (descr->style & LBS_NOREDRAW) return;
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info.cbSize = sizeof(info);
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if (descr->style & LBS_MULTICOLUMN)
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{
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info.nMin = 0;
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info.nMax = (descr->nb_items - 1) / descr->page_size;
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info.nPos = descr->top_item / descr->page_size;
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info.nPage = descr->width / descr->column_width;
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if (info.nPage < 1) info.nPage = 1;
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info.fMask = SIF_RANGE | SIF_POS | SIF_PAGE;
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if (descr->style & LBS_DISABLENOSCROLL)
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info.fMask |= SIF_DISABLENOSCROLL;
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if (descr->style & WS_HSCROLL)
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SetScrollInfo( descr->self, SB_HORZ, &info, TRUE );
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info.nMax = 0;
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info.fMask = SIF_RANGE;
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if (descr->style & WS_VSCROLL)
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SetScrollInfo( descr->self, SB_VERT, &info, TRUE );
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}
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else
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{
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info.nMin = 0;
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info.nMax = descr->nb_items - 1;
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info.nPos = descr->top_item;
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info.nPage = LISTBOX_GetCurrentPageSize( descr );
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info.fMask = SIF_RANGE | SIF_POS | SIF_PAGE;
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if (descr->style & LBS_DISABLENOSCROLL)
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info.fMask |= SIF_DISABLENOSCROLL;
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if (descr->style & WS_VSCROLL)
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SetScrollInfo( descr->self, SB_VERT, &info, TRUE );
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if ((descr->style & WS_HSCROLL) && descr->horz_extent)
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{
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info.nPos = descr->horz_pos;
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info.nPage = descr->width;
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info.fMask = SIF_POS | SIF_PAGE;
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if (descr->style & LBS_DISABLENOSCROLL)
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info.fMask |= SIF_DISABLENOSCROLL;
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SetScrollInfo( descr->self, SB_HORZ, &info, TRUE );
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}
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else
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{
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if (descr->style & LBS_DISABLENOSCROLL)
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{
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info.nMin = 0;
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info.nMax = 0;
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info.fMask = SIF_RANGE | SIF_DISABLENOSCROLL;
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SetScrollInfo( descr->self, SB_HORZ, &info, TRUE );
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}
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else
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{
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ShowScrollBar( descr->self, SB_HORZ, FALSE );
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}
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}
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}
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}
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/***********************************************************************
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* LISTBOX_SetTopItem
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*
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* Set the top item of the listbox, scrolling up or down if necessary.
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*/
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static LRESULT LISTBOX_SetTopItem( LB_DESCR *descr, INT index, BOOL scroll )
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{
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INT max = LISTBOX_GetMaxTopIndex( descr );
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TRACE("setting top item %d, scroll %d\n", index, scroll);
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if (index > max) index = max;
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if (index < 0) index = 0;
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if (descr->style & LBS_MULTICOLUMN) index -= index % descr->page_size;
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if (descr->top_item == index) return LB_OKAY;
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if (scroll)
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{
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INT dx = 0, dy = 0;
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if (descr->style & LBS_MULTICOLUMN)
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dx = (descr->top_item - index) / descr->page_size * descr->column_width;
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else if (descr->style & LBS_OWNERDRAWVARIABLE)
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{
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INT i;
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if (index > descr->top_item)
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{
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for (i = index - 1; i >= descr->top_item; i--)
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dy -= get_item_height(descr, i);
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}
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else
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{
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for (i = index; i < descr->top_item; i++)
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dy += get_item_height(descr, i);
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}
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}
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else
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dy = (descr->top_item - index) * descr->item_height;
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ScrollWindowEx( descr->self, dx, dy, NULL, NULL, 0, NULL,
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SW_INVALIDATE | SW_ERASE | SW_SCROLLCHILDREN );
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}
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else
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InvalidateRect( descr->self, NULL, TRUE );
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descr->top_item = index;
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LISTBOX_UpdateScroll( descr );
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return LB_OKAY;
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}
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/***********************************************************************
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* LISTBOX_UpdatePage
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*
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* Update the page size. Should be called when the size of
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* the client area or the item height changes.
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*/
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static void LISTBOX_UpdatePage( LB_DESCR *descr )
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{
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INT page_size;
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if ((descr->item_height == 0) || (page_size = descr->height / descr->item_height) < 1)
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page_size = 1;
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if (page_size == descr->page_size) return;
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descr->page_size = page_size;
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if (descr->style & LBS_MULTICOLUMN)
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InvalidateRect( descr->self, NULL, TRUE );
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LISTBOX_SetTopItem( descr, descr->top_item, FALSE );
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}
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/***********************************************************************
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* LISTBOX_UpdateSize
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*
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* Update the size of the listbox. Should be called when the size of
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* the client area changes.
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*/
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static void LISTBOX_UpdateSize( LB_DESCR *descr )
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{
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RECT rect;
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GetClientRect( descr->self, &rect );
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descr->width = rect.right - rect.left;
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descr->height = rect.bottom - rect.top;
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if (!(descr->style & LBS_NOINTEGRALHEIGHT) && !(descr->style & LBS_OWNERDRAWVARIABLE))
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{
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INT remaining;
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RECT rect;
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GetWindowRect( descr->self, &rect );
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if(descr->item_height != 0)
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remaining = descr->height % descr->item_height;
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else
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remaining = 0;
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if ((descr->height > descr->item_height) && remaining)
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{
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TRACE("[%p]: changing height %d -> %d\n",
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descr->self, descr->height, descr->height - remaining );
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SetWindowPos( descr->self, 0, 0, 0, rect.right - rect.left,
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rect.bottom - rect.top - remaining,
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SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOMOVE );
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return;
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}
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}
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TRACE("[%p]: new size = %d,%d\n", descr->self, descr->width, descr->height );
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LISTBOX_UpdatePage( descr );
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LISTBOX_UpdateScroll( descr );
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/* Invalidate the focused item so it will be repainted correctly */
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if (LISTBOX_GetItemRect( descr, descr->focus_item, &rect ) == 1)
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{
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InvalidateRect( descr->self, &rect, FALSE );
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}
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}
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|
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/***********************************************************************
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* LISTBOX_GetItemRect
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*
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* Get the rectangle enclosing an item, in listbox client coordinates.
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* Return 1 if the rectangle is (partially) visible, 0 if hidden, -1 on error.
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*/
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static LRESULT LISTBOX_GetItemRect( const LB_DESCR *descr, INT index, RECT *rect )
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{
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/* Index <= 0 is legal even on empty listboxes */
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if (index && (index >= descr->nb_items))
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{
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SetRectEmpty(rect);
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SetLastError(ERROR_INVALID_INDEX);
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return LB_ERR;
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}
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SetRect( rect, 0, 0, descr->width, descr->height );
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if (descr->style & LBS_MULTICOLUMN)
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{
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INT col = (index / descr->page_size) -
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(descr->top_item / descr->page_size);
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rect->left += col * descr->column_width;
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rect->right = rect->left + descr->column_width;
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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 -= get_item_height(descr, i);
|
|
}
|
|
else
|
|
{
|
|
for (i = descr->top_item; i < index; i++)
|
|
rect->top += get_item_height(descr, i);
|
|
}
|
|
rect->bottom = rect->top + get_item_height(descr, index);
|
|
|
|
}
|
|
}
|
|
else
|
|
{
|
|
rect->top += (index - descr->top_item) * descr->item_height;
|
|
rect->bottom = rect->top + descr->item_height;
|
|
rect->right += descr->horz_pos;
|
|
}
|
|
|
|
TRACE("item %d, rect %s\n", index, wine_dbgstr_rect(rect));
|
|
|
|
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( const 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 += get_item_height(descr, index)) > y) break;
|
|
index++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
while (index > 0)
|
|
{
|
|
index--;
|
|
if ((pos -= get_item_height(descr, index)) <= 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 )
|
|
{
|
|
BOOL selected = FALSE, focused;
|
|
WCHAR *item_str = NULL;
|
|
|
|
if (index < descr->nb_items)
|
|
{
|
|
item_str = get_item_string(descr, index);
|
|
selected = is_item_selected(descr, index);
|
|
}
|
|
|
|
focused = !ignoreFocus && descr->focus_item == index && descr->caret_on && descr->in_focus;
|
|
|
|
if (IS_OWNERDRAW(descr))
|
|
{
|
|
DRAWITEMSTRUCT dis;
|
|
RECT r;
|
|
HRGN hrgn;
|
|
|
|
if (index >= descr->nb_items)
|
|
{
|
|
if (action == ODA_FOCUS)
|
|
DrawFocusRect( hdc, rect );
|
|
else
|
|
ERR("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 = set_control_clipping( hdc, &r );
|
|
|
|
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 (selected)
|
|
dis.itemState |= ODS_SELECTED;
|
|
if (focused)
|
|
dis.itemState |= ODS_FOCUS;
|
|
if (!IsWindowEnabled(descr->self)) dis.itemState |= ODS_DISABLED;
|
|
dis.itemData = get_item_data(descr, index);
|
|
dis.rcItem = *rect;
|
|
TRACE("[%p]: drawitem %d (%s) action=%02x state=%02x rect=%s\n",
|
|
descr->self, index, debugstr_w(item_str), action,
|
|
dis.itemState, wine_dbgstr_rect(rect) );
|
|
SendMessageW(descr->owner, WM_DRAWITEM, dis.CtlID, (LPARAM)&dis);
|
|
SelectClipRgn( hdc, hrgn );
|
|
if (hrgn) DeleteObject( hrgn );
|
|
}
|
|
else
|
|
{
|
|
COLORREF oldText = 0, oldBk = 0;
|
|
|
|
if (action == ODA_FOCUS)
|
|
{
|
|
DrawFocusRect( hdc, rect );
|
|
return;
|
|
}
|
|
if (selected)
|
|
{
|
|
oldBk = SetBkColor( hdc, GetSysColor( COLOR_HIGHLIGHT ) );
|
|
oldText = SetTextColor( hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
|
|
}
|
|
|
|
TRACE("[%p]: painting %d (%s) action=%02x rect=%s\n",
|
|
descr->self, index, debugstr_w(item_str), action,
|
|
wine_dbgstr_rect(rect) );
|
|
if (!item_str)
|
|
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 (selected)
|
|
{
|
|
SetBkColor( hdc, oldBk );
|
|
SetTextColor( hdc, oldText );
|
|
}
|
|
if (focused)
|
|
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, TRUE );
|
|
if (oldFont) SelectObject( hdc, oldFont );
|
|
if (oldBrush) SelectObject( hdc, oldBrush );
|
|
ReleaseDC( descr->self, hdc );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* LISTBOX_DrawFocusRect
|
|
*/
|
|
static void LISTBOX_DrawFocusRect( LB_DESCR *descr, BOOL on )
|
|
{
|
|
HDC hdc;
|
|
RECT rect;
|
|
HFONT oldFont = 0;
|
|
|
|
/* Do not repaint the item if the item is not visible */
|
|
if (!IsWindowVisible(descr->self)) return;
|
|
|
|
if (descr->focus_item == -1) return;
|
|
if (!descr->caret_on || !descr->in_focus) return;
|
|
|
|
if (LISTBOX_GetItemRect( descr, descr->focus_item, &rect ) != 1) return;
|
|
if (!(hdc = GetDCEx( descr->self, 0, DCX_CACHE ))) return;
|
|
if (descr->font) oldFont = SelectObject( hdc, descr->font );
|
|
if (!IsWindowEnabled(descr->self))
|
|
SetTextColor( hdc, GetSysColor( COLOR_GRAYTEXT ) );
|
|
SetWindowOrgEx( hdc, descr->horz_pos, 0, NULL );
|
|
LISTBOX_PaintItem( descr, hdc, &rect, descr->focus_item, ODA_FOCUS, !on );
|
|
if (oldFont) SelectObject( hdc, oldFont );
|
|
ReleaseDC( descr->self, hdc );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* LISTBOX_InitStorage
|
|
*/
|
|
static LRESULT LISTBOX_InitStorage( LB_DESCR *descr, INT nb_items )
|
|
{
|
|
UINT new_size = descr->nb_items + nb_items;
|
|
|
|
if (new_size > descr->items_size && !resize_storage(descr, new_size))
|
|
return LB_ERRSPACE;
|
|
return descr->items_size;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* LISTBOX_SetTabStops
|
|
*/
|
|
static BOOL LISTBOX_SetTabStops( LB_DESCR *descr, INT count, LPINT tabs )
|
|
{
|
|
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;
|
|
memcpy( descr->tabs, tabs, descr->nb_tabs * sizeof(INT) );
|
|
|
|
/* 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 )
|
|
{
|
|
DWORD len;
|
|
|
|
if ((index < 0) || (index >= descr->nb_items))
|
|
{
|
|
SetLastError(ERROR_INVALID_INDEX);
|
|
return LB_ERR;
|
|
}
|
|
|
|
if (HAS_STRINGS(descr))
|
|
{
|
|
WCHAR *str = get_item_string(descr, index);
|
|
|
|
if (!buffer)
|
|
return strlenW(str);
|
|
|
|
TRACE("index %d (0x%04x) %s\n", index, index, debugstr_w(str));
|
|
|
|
__TRY /* hide a Delphi bug that passes a read-only buffer */
|
|
{
|
|
strcpyW(buffer, str);
|
|
len = strlenW(buffer);
|
|
}
|
|
__EXCEPT_PAGE_FAULT
|
|
{
|
|
WARN( "got an invalid buffer (Delphi bug?)\n" );
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return LB_ERR;
|
|
}
|
|
__ENDTRY
|
|
} else
|
|
{
|
|
if (buffer)
|
|
*((ULONG_PTR *)buffer) = get_item_data(descr, index);
|
|
len = sizeof(ULONG_PTR);
|
|
}
|
|
return len;
|
|
}
|
|
|
|
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;
|
|
|
|
if (!descr->nb_items || !(descr->style & LBS_SORT)) return -1; /* Add it at the end */
|
|
|
|
min = 0;
|
|
max = descr->nb_items - 1;
|
|
while (min <= max)
|
|
{
|
|
index = (min + max) / 2;
|
|
if (HAS_STRINGS(descr))
|
|
res = LISTBOX_lstrcmpiW( descr->locale, get_item_string(descr, 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 = index;
|
|
cis.itemData1 = get_item_data(descr, index);
|
|
cis.itemID2 = -1;
|
|
cis.itemData2 = (ULONG_PTR)str;
|
|
cis.dwLocaleId = descr->locale;
|
|
res = SendMessageW( descr->owner, WM_COMPAREITEM, id, (LPARAM)&cis );
|
|
}
|
|
if (!res) return index;
|
|
if (res > 0) max = index - 1;
|
|
else min = index + 1;
|
|
}
|
|
return exact ? -1 : min;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* 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;
|
|
|
|
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 = get_item_string(descr, index);
|
|
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 (descr->style & LBS_NODATA) return LB_ERR;
|
|
|
|
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( const LB_DESCR *descr )
|
|
{
|
|
INT i, count;
|
|
|
|
if (!(descr->style & LBS_MULTIPLESEL) ||
|
|
(descr->style & LBS_NOSEL))
|
|
return LB_ERR;
|
|
for (i = count = 0; i < descr->nb_items; i++)
|
|
if (is_item_selected(descr, i)) count++;
|
|
return count;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* LISTBOX_GetSelItems
|
|
*/
|
|
static LRESULT LISTBOX_GetSelItems( const LB_DESCR *descr, INT max, LPINT array )
|
|
{
|
|
INT i, count;
|
|
|
|
if (!(descr->style & LBS_MULTIPLESEL)) return LB_ERR;
|
|
for (i = count = 0; (i < descr->nb_items) && (count < max); i++)
|
|
if (is_item_selected(descr, i)) 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 + get_item_height(descr, i);
|
|
|
|
/* keep the focus rect, to paint the focus item after */
|
|
if (i == descr->focus_item)
|
|
focusRect = rect;
|
|
|
|
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;
|
|
}
|
|
|
|
static void LISTBOX_NCPaint( LB_DESCR *descr, HRGN region )
|
|
{
|
|
DWORD exstyle = GetWindowLongW( descr->self, GWL_EXSTYLE);
|
|
HTHEME theme = GetWindowTheme( descr->self );
|
|
HRGN cliprgn = region;
|
|
int cxEdge, cyEdge;
|
|
HDC hdc;
|
|
RECT r;
|
|
|
|
if (!theme || !(exstyle & WS_EX_CLIENTEDGE))
|
|
return;
|
|
|
|
cxEdge = GetSystemMetrics(SM_CXEDGE);
|
|
cyEdge = GetSystemMetrics(SM_CYEDGE);
|
|
|
|
GetWindowRect(descr->self, &r);
|
|
|
|
/* New clipping region passed to default proc to exclude border */
|
|
cliprgn = CreateRectRgn(r.left + cxEdge, r.top + cyEdge,
|
|
r.right - cxEdge, r.bottom - cyEdge);
|
|
if (region != (HRGN)1)
|
|
CombineRgn(cliprgn, cliprgn, region, RGN_AND);
|
|
OffsetRect(&r, -r.left, -r.top);
|
|
|
|
hdc = GetDCEx(descr->self, region, DCX_WINDOW|DCX_INTERSECTRGN);
|
|
OffsetRect(&r, -r.left, -r.top);
|
|
|
|
if (IsThemeBackgroundPartiallyTransparent (theme, 0, 0))
|
|
DrawThemeParentBackground(descr->self, hdc, &r);
|
|
DrawThemeBackground (theme, hdc, 0, 0, &r, 0);
|
|
ReleaseDC(descr->self, hdc);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* 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( const LB_DESCR *descr, INT index )
|
|
{
|
|
if (descr->style & LBS_OWNERDRAWVARIABLE && descr->nb_items > 0)
|
|
{
|
|
if ((index < 0) || (index >= descr->nb_items))
|
|
{
|
|
SetLastError(ERROR_INVALID_INDEX);
|
|
return LB_ERR;
|
|
}
|
|
return get_item_height(descr, index);
|
|
}
|
|
else return descr->item_height;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* LISTBOX_SetItemHeight
|
|
*/
|
|
static LRESULT LISTBOX_SetItemHeight( LB_DESCR *descr, INT index, INT height, BOOL repaint )
|
|
{
|
|
if (height > MAXBYTE)
|
|
return -1;
|
|
|
|
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 );
|
|
set_item_height(descr, index, 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->style & LBS_MULTICOLUMN)
|
|
return LB_OKAY;
|
|
if (extent == descr->horz_extent) return LB_OKAY;
|
|
TRACE("[%p]: new horz extent = %d\n", descr->self, extent );
|
|
descr->horz_extent = extent;
|
|
if (descr->style & WS_HSCROLL) {
|
|
SCROLLINFO info;
|
|
info.cbSize = sizeof(info);
|
|
info.nMin = 0;
|
|
info.nMax = descr->horz_extent ? descr->horz_extent - 1 : 0;
|
|
info.fMask = SIF_RANGE;
|
|
if (descr->style & LBS_DISABLENOSCROLL)
|
|
info.fMask |= SIF_DISABLENOSCROLL;
|
|
SetScrollInfo( descr->self, SB_HORZ, &info, TRUE );
|
|
}
|
|
if (descr->horz_pos > extent - descr->width)
|
|
LISTBOX_SetHorizontalPos( descr, extent - descr->width );
|
|
return LB_OKAY;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* LISTBOX_SetColumnWidth
|
|
*/
|
|
static LRESULT LISTBOX_SetColumnWidth( LB_DESCR *descr, INT column_width)
|
|
{
|
|
RECT rect;
|
|
|
|
TRACE("[%p]: new column width = %d\n", descr->self, column_width);
|
|
|
|
GetClientRect(descr->self, &rect);
|
|
descr->width = rect.right - rect.left;
|
|
descr->height = rect.bottom - rect.top;
|
|
descr->column_width = column_width;
|
|
|
|
LISTBOX_UpdatePage(descr);
|
|
LISTBOX_UpdateScroll(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;
|
|
|
|
TRACE("current top item %d, index %d, fully %d\n", descr->top_item, index, fully);
|
|
|
|
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 ? get_item_height(descr, index) : 1;
|
|
for (top = index; top > descr->top_item; top--)
|
|
if ((height += get_item_height(descr, top - 1)) > 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;
|
|
|
|
TRACE("old focus %d, index %d\n", oldfocus, index);
|
|
|
|
if (descr->style & LBS_NOSEL) return LB_ERR;
|
|
if ((index < 0) || (index >= descr->nb_items)) return LB_ERR;
|
|
if (index == oldfocus) return LB_OKAY;
|
|
|
|
LISTBOX_DrawFocusRect( descr, FALSE );
|
|
descr->focus_item = index;
|
|
|
|
LISTBOX_MakeItemVisible( descr, index, fully_visible );
|
|
LISTBOX_DrawFocusRect( descr, TRUE );
|
|
|
|
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 (!(descr->style & LBS_MULTIPLESEL)) return LB_ERR;
|
|
|
|
if (!descr->nb_items) return LB_OKAY;
|
|
|
|
if (last == -1 || last >= descr->nb_items) last = descr->nb_items - 1;
|
|
if (first < 0) first = 0;
|
|
if (last < first) return LB_OKAY;
|
|
|
|
if (on) /* Turn selection on */
|
|
{
|
|
for (i = first; i <= last; i++)
|
|
{
|
|
if (is_item_selected(descr, i)) continue;
|
|
set_item_selected_state(descr, i, TRUE);
|
|
LISTBOX_InvalidateItemRect(descr, i);
|
|
}
|
|
}
|
|
else /* Turn selection off */
|
|
{
|
|
for (i = first; i <= last; i++)
|
|
{
|
|
if (!is_item_selected(descr, i)) continue;
|
|
set_item_selected_state(descr, i, 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( "cur_sel=%d index=%d notify=%s\n",
|
|
descr->selected_item, 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, descr->nb_items, 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) set_item_selected_state(descr, oldsel, FALSE);
|
|
if (index != -1) set_item_selected_state(descr, index, 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 )
|
|
{
|
|
TRACE("old focus %d, index %d\n", descr->focus_item, index);
|
|
|
|
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 */
|
|
LISTBOX_DrawFocusRect( descr, FALSE );
|
|
|
|
/* 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 );
|
|
LISTBOX_DrawFocusRect( descr, TRUE );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* LISTBOX_InsertItem
|
|
*/
|
|
static LRESULT LISTBOX_InsertItem( LB_DESCR *descr, INT index,
|
|
LPWSTR str, ULONG_PTR data )
|
|
{
|
|
INT oldfocus = descr->focus_item;
|
|
|
|
if (index == -1) index = descr->nb_items;
|
|
else if ((index < 0) || (index > descr->nb_items)) return LB_ERR;
|
|
if (!resize_storage(descr, descr->nb_items + 1)) return LB_ERR;
|
|
|
|
insert_item_data(descr, index, str, data);
|
|
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 = data;
|
|
mis.itemHeight = descr->item_height;
|
|
SendMessageW( descr->owner, WM_MEASUREITEM, id, (LPARAM)&mis );
|
|
set_item_height(descr, index, mis.itemHeight ? mis.itemHeight : 1);
|
|
TRACE("[%p]: measure item %d (%s) = %d\n",
|
|
descr->self, index, str ? debugstr_w(str) : "", get_item_height(descr, index));
|
|
}
|
|
|
|
/* 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
|
|
*/
|
|
static LRESULT LISTBOX_InsertString( LB_DESCR *descr, INT index, LPCWSTR str )
|
|
{
|
|
LPWSTR new_str = NULL;
|
|
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);
|
|
}
|
|
|
|
if (index == -1) index = descr->nb_items;
|
|
if ((ret = LISTBOX_InsertItem( descr, index, new_str, (ULONG_PTR)str )) != 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
|
|
*
|
|
* 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) || get_item_data(descr, index))
|
|
{
|
|
DELETEITEMSTRUCT dis;
|
|
UINT id = (UINT)GetWindowLongPtrW( descr->self, GWLP_ID );
|
|
|
|
dis.CtlType = ODT_LISTBOX;
|
|
dis.CtlID = id;
|
|
dis.itemID = index;
|
|
dis.hwndItem = descr->self;
|
|
dis.itemData = get_item_data(descr, index);
|
|
SendMessageW( descr->owner, WM_DELETEITEM, id, (LPARAM)&dis );
|
|
}
|
|
HeapFree( GetProcessHeap(), 0, get_item_string(descr, index) );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* LISTBOX_RemoveItem
|
|
*
|
|
* Remove an item from the listbox and delete its content.
|
|
*/
|
|
static LRESULT LISTBOX_RemoveItem( LB_DESCR *descr, INT index )
|
|
{
|
|
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 );
|
|
|
|
if (descr->nb_items == 1)
|
|
{
|
|
SendMessageW(descr->self, LB_RESETCONTENT, 0, 0);
|
|
return LB_OKAY;
|
|
}
|
|
descr->nb_items--;
|
|
LISTBOX_DeleteItem( descr, index );
|
|
remove_item_data(descr, index);
|
|
|
|
if (descr->anchor_item == descr->nb_items) descr->anchor_item--;
|
|
resize_storage(descr, descr->nb_items);
|
|
|
|
/* 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;
|
|
|
|
if (!(descr->style & LBS_NODATA))
|
|
for (i = descr->nb_items - 1; i >= 0; 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_size = 0;
|
|
descr->items = NULL;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* LISTBOX_SetCount
|
|
*/
|
|
static LRESULT LISTBOX_SetCount( LB_DESCR *descr, UINT count )
|
|
{
|
|
UINT orig_num = descr->nb_items;
|
|
|
|
if (!(descr->style & LBS_NODATA)) return LB_ERR;
|
|
|
|
if (!resize_storage(descr, count))
|
|
return LB_ERRSPACE;
|
|
descr->nb_items = count;
|
|
|
|
if (count)
|
|
{
|
|
LISTBOX_UpdateScroll(descr);
|
|
if (count < orig_num)
|
|
{
|
|
descr->anchor_item = min(descr->anchor_item, count - 1);
|
|
if (descr->selected_item >= count)
|
|
descr->selected_item = -1;
|
|
|
|
/* If we removed the scrollbar, reset the top of the list */
|
|
if (count <= descr->page_size && orig_num > descr->page_size)
|
|
LISTBOX_SetTopItem(descr, 0, TRUE);
|
|
|
|
descr->focus_item = min(descr->focus_item, count - 1);
|
|
}
|
|
|
|
/* If it was empty before growing, set focus to the first item */
|
|
else if (orig_num == 0) LISTBOX_SetCaretIndex(descr, 0, FALSE);
|
|
}
|
|
else SendMessageW(descr->self, LB_RESETCONTENT, 0, 0);
|
|
|
|
InvalidateRect( descr->self, NULL, TRUE );
|
|
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;
|
|
LRESULT maxinsert = LB_ERR;
|
|
|
|
/* 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;
|
|
if (ret <= maxinsert) maxinsert++; else maxinsert = ret;
|
|
} while (FindNextFileW( handle, &entry ));
|
|
FindClose( handle );
|
|
}
|
|
}
|
|
if (ret >= 0)
|
|
{
|
|
ret = maxinsert;
|
|
|
|
/* scan drives */
|
|
if (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 )
|
|
{
|
|
UINT pulScrollLines = 3;
|
|
|
|
SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0);
|
|
|
|
/* if scrolling changes direction, ignore left overs */
|
|
if ((delta < 0 && descr->wheel_remain < 0) ||
|
|
(delta > 0 && descr->wheel_remain > 0))
|
|
descr->wheel_remain += delta;
|
|
else
|
|
descr->wheel_remain = delta;
|
|
|
|
if (descr->wheel_remain && pulScrollLines)
|
|
{
|
|
int cLineScroll;
|
|
pulScrollLines = min((UINT) descr->page_size, pulScrollLines);
|
|
cLineScroll = pulScrollLines * (float)descr->wheel_remain / WHEEL_DELTA;
|
|
descr->wheel_remain -= WHEEL_DELTA * cLineScroll / (int)pulScrollLines;
|
|
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, focus item %d\n",
|
|
descr->self, x, y, index, descr->focus_item);
|
|
|
|
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->lphc)
|
|
{
|
|
if (descr->style & LBS_NOTIFY )
|
|
SendMessageW( descr->owner, WM_LBTRACKPOINT, index,
|
|
MAKELPARAM( x, y ) );
|
|
}
|
|
|
|
descr->captured = TRUE;
|
|
SetCapture( descr->self );
|
|
|
|
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,
|
|
!is_item_selected(descr, index),
|
|
(descr->style & LBS_NOTIFY) != 0);
|
|
}
|
|
else
|
|
{
|
|
LISTBOX_MoveCaret( descr, index, FALSE );
|
|
|
|
if (descr->style & LBS_EXTENDEDSEL)
|
|
{
|
|
LISTBOX_SetSelection( descr, index,
|
|
is_item_selected(descr, index),
|
|
(descr->style & LBS_NOTIFY) != 0 );
|
|
}
|
|
else
|
|
{
|
|
LISTBOX_SetSelection( descr, index,
|
|
!is_item_selected(descr, index),
|
|
(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 );
|
|
}
|
|
|
|
if (!descr->lphc)
|
|
{
|
|
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
|
|
*
|
|
* PARAMS
|
|
* pWnd [I] The windows internal structure
|
|
* pDescr [I] The ListBox internal structure
|
|
* keys [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 *descr, UINT msg, DWORD keys, INT x, INT y)
|
|
{
|
|
RECT clientRect, screenRect;
|
|
POINT mousePos;
|
|
|
|
mousePos.x = x;
|
|
mousePos.y = y;
|
|
|
|
GetClientRect(descr->self, &clientRect);
|
|
|
|
if(PtInRect(&clientRect, mousePos))
|
|
{
|
|
/* MousePos is in client, resume normal processing */
|
|
if (msg == WM_LBUTTONDOWN)
|
|
{
|
|
descr->lphc->droppedIndex = descr->nb_items ? descr->selected_item : -1;
|
|
return LISTBOX_HandleLButtonDown( descr, keys, x, y);
|
|
}
|
|
else if (descr->style & LBS_NOTIFY)
|
|
SEND_NOTIFICATION( descr, LBN_DBLCLK );
|
|
}
|
|
else
|
|
{
|
|
POINT screenMousePos;
|
|
HWND hWndOldCapture;
|
|
|
|
/* Check the Non-Client Area */
|
|
screenMousePos = mousePos;
|
|
hWndOldCapture = GetCapture();
|
|
ReleaseCapture();
|
|
GetWindowRect(descr->self, &screenRect);
|
|
ClientToScreen(descr->self, &screenMousePos);
|
|
|
|
if(!PtInRect(&screenRect, screenMousePos))
|
|
{
|
|
LISTBOX_SetCaretIndex( descr, descr->lphc->droppedIndex, FALSE );
|
|
LISTBOX_SetSelection( descr, descr->lphc->droppedIndex, FALSE, FALSE );
|
|
COMBO_FlipListbox( descr->lphc, FALSE, FALSE );
|
|
}
|
|
else
|
|
{
|
|
/* Check to see the NC is a scrollbar */
|
|
INT nHitTestType=0;
|
|
LONG style = GetWindowLongW( descr->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(descr->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;
|
|
caret = min(descr->focus_item + descr->page_size, descr->nb_items - 1);
|
|
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,
|
|
!is_item_selected(descr, descr->focus_item),
|
|
(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 && IsWindowVisible( descr->self ))
|
|
{
|
|
/* 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 = GetWindowLongW( descr->self, GWL_STYLE );
|
|
descr->width = rect.right - rect.left;
|
|
descr->height = rect.bottom - rect.top;
|
|
descr->items = NULL;
|
|
descr->items_size = 0;
|
|
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 = 0;
|
|
descr->horz_pos = 0;
|
|
descr->nb_tabs = 0;
|
|
descr->tabs = NULL;
|
|
descr->wheel_remain = 0;
|
|
descr->caret_on = !lphc;
|
|
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;
|
|
|
|
if( lphc )
|
|
{
|
|
TRACE("[%p]: resetting owner %p -> %p\n", descr->self, 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;
|
|
if ((descr->style & (LBS_OWNERDRAWFIXED | LBS_HASSTRINGS | LBS_SORT)) != LBS_OWNERDRAWFIXED)
|
|
descr->style &= ~LBS_NODATA;
|
|
descr->item_height = LISTBOX_SetFont( descr, 0 );
|
|
|
|
if (descr->style & LBS_OWNERDRAWFIXED)
|
|
{
|
|
descr->style &= ~LBS_OWNERDRAWVARIABLE;
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
OpenThemeData( descr->self, WC_LISTBOXW );
|
|
|
|
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 )
|
|
{
|
|
HTHEME theme = GetWindowTheme( descr->self );
|
|
CloseThemeData( theme );
|
|
LISTBOX_ResetContent( descr );
|
|
SetWindowLongPtrW( descr->self, 0, 0 );
|
|
HeapFree( GetProcessHeap(), 0, descr );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ListBoxWndProc_common
|
|
*/
|
|
static LRESULT CALLBACK LISTBOX_WindowProc( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
|
|
{
|
|
LB_DESCR *descr = (LB_DESCR *)GetWindowLongPtrW( hwnd, 0 );
|
|
HEADCOMBO *lphc = NULL;
|
|
HTHEME theme;
|
|
LRESULT ret;
|
|
|
|
if (!descr)
|
|
{
|
|
if (!IsWindow(hwnd)) return 0;
|
|
|
|
if (msg == WM_CREATE)
|
|
{
|
|
CREATESTRUCTW *lpcs = (CREATESTRUCTW *)lParam;
|
|
if (lpcs->style & LBS_COMBOBOX) lphc = lpcs->lpCreateParams;
|
|
if (!LISTBOX_Create( hwnd, lphc )) return -1;
|
|
TRACE("creating hwnd %p descr %p\n", hwnd, (void *)GetWindowLongPtrW( hwnd, 0 ) );
|
|
return 0;
|
|
}
|
|
/* Ignore all other messages before we get a WM_CREATE */
|
|
return DefWindowProcW( hwnd, msg, wParam, lParam );
|
|
}
|
|
if (descr->style & LBS_COMBOBOX) lphc = descr->lphc;
|
|
|
|
TRACE("[%p]: msg %#x wp %08lx lp %08lx\n", descr->self, msg, wParam, lParam );
|
|
|
|
switch(msg)
|
|
{
|
|
case LB_RESETCONTENT:
|
|
LISTBOX_ResetContent( descr );
|
|
LISTBOX_UpdateScroll( descr );
|
|
InvalidateRect( descr->self, NULL, TRUE );
|
|
return 0;
|
|
|
|
case LB_ADDSTRING:
|
|
{
|
|
const WCHAR *textW = (const WCHAR *)lParam;
|
|
INT index = LISTBOX_FindStringPos( descr, textW, FALSE );
|
|
return LISTBOX_InsertString( descr, index, textW );
|
|
}
|
|
|
|
case LB_INSERTSTRING:
|
|
return LISTBOX_InsertString( descr, wParam, (const WCHAR *)lParam );
|
|
|
|
case LB_ADDFILE:
|
|
{
|
|
const WCHAR *textW = (const WCHAR *)lParam;
|
|
INT index = LISTBOX_FindFileStrPos( descr, textW );
|
|
return LISTBOX_InsertString( descr, index, textW );
|
|
}
|
|
|
|
case LB_DELETESTRING:
|
|
if (LISTBOX_RemoveItem( descr, wParam) != LB_ERR)
|
|
return descr->nb_items;
|
|
else
|
|
{
|
|
SetLastError(ERROR_INVALID_INDEX);
|
|
return LB_ERR;
|
|
}
|
|
|
|
case LB_GETITEMDATA:
|
|
if (((INT)wParam < 0) || ((INT)wParam >= descr->nb_items))
|
|
{
|
|
SetLastError(ERROR_INVALID_INDEX);
|
|
return LB_ERR;
|
|
}
|
|
return get_item_data(descr, wParam);
|
|
|
|
case LB_SETITEMDATA:
|
|
if (((INT)wParam < 0) || ((INT)wParam >= descr->nb_items))
|
|
{
|
|
SetLastError(ERROR_INVALID_INDEX);
|
|
return LB_ERR;
|
|
}
|
|
if (!(descr->style & LBS_NODATA)) descr->items[wParam].data = lParam;
|
|
/* undocumented: returns TRUE, not LB_OKAY (0) */
|
|
return TRUE;
|
|
|
|
case LB_GETCOUNT:
|
|
return descr->nb_items;
|
|
|
|
case LB_GETTEXT:
|
|
return LISTBOX_GetText( descr, wParam, (LPWSTR)lParam, TRUE );
|
|
|
|
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(ULONG_PTR);
|
|
return strlenW(get_item_string(descr, wParam));
|
|
|
|
case LB_GETCURSEL:
|
|
if (descr->nb_items == 0)
|
|
return LB_ERR;
|
|
if (!IS_MULTISELECT(descr))
|
|
return descr->selected_item;
|
|
if (descr->selected_item != -1)
|
|
return descr->selected_item;
|
|
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 */
|
|
case LB_GETTOPINDEX:
|
|
return descr->top_item;
|
|
|
|
case LB_GETITEMHEIGHT:
|
|
return LISTBOX_GetItemHeight( descr, wParam );
|
|
|
|
case LB_SETITEMHEIGHT:
|
|
return LISTBOX_SetItemHeight( descr, wParam, lParam, TRUE );
|
|
|
|
case LB_ITEMFROMPOINT:
|
|
{
|
|
POINT pt;
|
|
RECT rect;
|
|
int index;
|
|
BOOL hit = TRUE;
|
|
|
|
/* The hiword of the return value is not a client area
|
|
hittest as suggested by MSDN, but rather a hittest on
|
|
the returned listbox item. */
|
|
|
|
if(descr->nb_items == 0)
|
|
return 0x1ffff; /* win9x returns 0x10000, we copy winnt */
|
|
|
|
pt.x = (short)LOWORD(lParam);
|
|
pt.y = (short)HIWORD(lParam);
|
|
|
|
SetRect(&rect, 0, 0, descr->width, descr->height);
|
|
|
|
if(!PtInRect(&rect, pt))
|
|
{
|
|
pt.x = min(pt.x, rect.right - 1);
|
|
pt.x = max(pt.x, 0);
|
|
pt.y = min(pt.y, rect.bottom - 1);
|
|
pt.y = max(pt.y, 0);
|
|
hit = FALSE;
|
|
}
|
|
|
|
index = LISTBOX_GetItemFromPoint(descr, pt.x, pt.y);
|
|
|
|
if(index == -1)
|
|
{
|
|
index = descr->nb_items - 1;
|
|
hit = FALSE;
|
|
}
|
|
return MAKELONG(index, hit ? 0 : 1);
|
|
}
|
|
|
|
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;
|
|
|
|
case LB_GETCARETINDEX:
|
|
return descr->focus_item;
|
|
|
|
case LB_SETTOPINDEX:
|
|
return LISTBOX_SetTopItem( descr, wParam, TRUE );
|
|
|
|
case LB_SETCOLUMNWIDTH:
|
|
return LISTBOX_SetColumnWidth( descr, wParam );
|
|
|
|
case LB_GETITEMRECT:
|
|
return LISTBOX_GetItemRect( descr, wParam, (RECT *)lParam );
|
|
|
|
case LB_FINDSTRING:
|
|
return LISTBOX_FindString( descr, wParam, (const WCHAR *)lParam, FALSE );
|
|
|
|
case LB_FINDSTRINGEXACT:
|
|
return LISTBOX_FindString( descr, wParam, (const WCHAR *)lParam, TRUE );
|
|
|
|
case LB_SELECTSTRING:
|
|
{
|
|
const WCHAR *textW = (const WCHAR *)lParam;
|
|
INT index;
|
|
|
|
if (HAS_STRINGS(descr))
|
|
TRACE("LB_SELECTSTRING: %s\n", debugstr_w(textW));
|
|
|
|
index = LISTBOX_FindString( descr, wParam, textW, FALSE );
|
|
if (index != LB_ERR)
|
|
{
|
|
LISTBOX_MoveCaret( descr, index, TRUE );
|
|
LISTBOX_SetSelection( descr, index, TRUE, FALSE );
|
|
}
|
|
return index;
|
|
}
|
|
|
|
case LB_GETSEL:
|
|
if (((INT)wParam < 0) || ((INT)wParam >= descr->nb_items))
|
|
return LB_ERR;
|
|
return is_item_selected(descr, wParam);
|
|
|
|
case LB_SETSEL:
|
|
ret = LISTBOX_SetSelection( descr, lParam, wParam, FALSE );
|
|
if (ret != LB_ERR && wParam)
|
|
descr->anchor_item = lParam;
|
|
return ret;
|
|
|
|
case LB_SETCURSEL:
|
|
if (IS_MULTISELECT(descr)) return LB_ERR;
|
|
LISTBOX_SetCaretIndex( descr, wParam, TRUE );
|
|
ret = LISTBOX_SetSelection( descr, wParam, TRUE, FALSE );
|
|
if (ret != LB_ERR) ret = descr->selected_item;
|
|
return ret;
|
|
|
|
case LB_GETSELCOUNT:
|
|
return LISTBOX_GetSelCount( descr );
|
|
|
|
case LB_GETSELITEMS:
|
|
return LISTBOX_GetSelItems( descr, wParam, (LPINT)lParam );
|
|
|
|
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 );
|
|
|
|
case LB_SELITEMRANGEEX:
|
|
if ((INT)lParam >= (INT)wParam)
|
|
return LISTBOX_SelectItemRange( descr, wParam, lParam, TRUE );
|
|
else
|
|
return LISTBOX_SelectItemRange( descr, lParam, wParam, FALSE);
|
|
|
|
case LB_GETHORIZONTALEXTENT:
|
|
return descr->horz_extent;
|
|
|
|
case LB_SETHORIZONTALEXTENT:
|
|
return LISTBOX_SetHorizontalExtent( descr, wParam );
|
|
|
|
case LB_GETANCHORINDEX:
|
|
return descr->anchor_item;
|
|
|
|
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;
|
|
|
|
case LB_DIR:
|
|
return LISTBOX_Directory( descr, wParam, (const WCHAR *)lParam, msg == LB_DIR );
|
|
|
|
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 );
|
|
|
|
case LB_SETTABSTOPS:
|
|
return LISTBOX_SetTabStops( descr, wParam, (LPINT)lParam );
|
|
|
|
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;
|
|
|
|
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 LB_GETLISTBOXINFO:
|
|
return descr->page_size;
|
|
|
|
case WM_DESTROY:
|
|
return LISTBOX_Destroy( descr );
|
|
|
|
case WM_ENABLE:
|
|
InvalidateRect( descr->self, NULL, TRUE );
|
|
return 0;
|
|
|
|
case WM_SETREDRAW:
|
|
LISTBOX_SetRedraw( descr, wParam != 0 );
|
|
return 0;
|
|
|
|
case WM_GETDLGCODE:
|
|
return DLGC_WANTARROWS | DLGC_WANTCHARS;
|
|
|
|
case WM_PRINTCLIENT:
|
|
case WM_PAINT:
|
|
{
|
|
PAINTSTRUCT ps;
|
|
HDC hdc = ( wParam ) ? ((HDC)wParam) : BeginPaint( descr->self, &ps );
|
|
ret = LISTBOX_Paint( descr, hdc );
|
|
if( !wParam ) EndPaint( descr->self, &ps );
|
|
}
|
|
return ret;
|
|
|
|
case WM_NCPAINT:
|
|
LISTBOX_NCPaint( descr, (HRGN)wParam );
|
|
break;
|
|
|
|
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( descr->self, 0, TRUE );
|
|
return 0;
|
|
case WM_SETFOCUS:
|
|
descr->in_focus = TRUE;
|
|
descr->caret_on = TRUE;
|
|
if (descr->focus_item != -1)
|
|
LISTBOX_DrawFocusRect( descr, TRUE );
|
|
SEND_NOTIFICATION( descr, LBN_SETFOCUS );
|
|
return 0;
|
|
case WM_KILLFOCUS:
|
|
LISTBOX_HandleLButtonUp( descr ); /* Release capture if we have it */
|
|
descr->in_focus = FALSE;
|
|
descr->wheel_remain = 0;
|
|
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( descr->self, 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(descr->self, &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:
|
|
return LISTBOX_HandleChar( descr, wParam );
|
|
|
|
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 SendMessageW( 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;
|
|
|
|
case WM_THEMECHANGED:
|
|
theme = GetWindowTheme( hwnd );
|
|
CloseThemeData( theme );
|
|
OpenThemeData( hwnd, WC_LISTBOXW );
|
|
break;
|
|
|
|
default:
|
|
if ((msg >= WM_USER) && (msg < 0xc000))
|
|
WARN("[%p]: unknown msg %04x wp %08lx lp %08lx\n",
|
|
hwnd, msg, wParam, lParam );
|
|
}
|
|
|
|
return DefWindowProcW( hwnd, msg, wParam, lParam );
|
|
}
|
|
|
|
void LISTBOX_Register(void)
|
|
{
|
|
WNDCLASSW wndClass;
|
|
|
|
memset(&wndClass, 0, sizeof(wndClass));
|
|
wndClass.style = CS_PARENTDC | CS_DBLCLKS | CS_GLOBALCLASS;
|
|
wndClass.lpfnWndProc = LISTBOX_WindowProc;
|
|
wndClass.cbClsExtra = 0;
|
|
wndClass.cbWndExtra = sizeof(LB_DESCR *);
|
|
wndClass.hCursor = LoadCursorW(0, (LPWSTR)IDC_ARROW);
|
|
wndClass.hbrBackground = NULL;
|
|
wndClass.lpszClassName = WC_LISTBOXW;
|
|
RegisterClassW(&wndClass);
|
|
}
|
|
|
|
void COMBOLBOX_Register(void)
|
|
{
|
|
static const WCHAR combolboxW[] = {'C','o','m','b','o','L','B','o','x',0};
|
|
WNDCLASSW wndClass;
|
|
|
|
memset(&wndClass, 0, sizeof(wndClass));
|
|
wndClass.style = CS_SAVEBITS | CS_DBLCLKS | CS_DROPSHADOW | CS_GLOBALCLASS;
|
|
wndClass.lpfnWndProc = LISTBOX_WindowProc;
|
|
wndClass.cbClsExtra = 0;
|
|
wndClass.cbWndExtra = sizeof(LB_DESCR *);
|
|
wndClass.hCursor = LoadCursorW(0, (LPWSTR)IDC_ARROW);
|
|
wndClass.hbrBackground = NULL;
|
|
wndClass.lpszClassName = combolboxW;
|
|
RegisterClassW(&wndClass);
|
|
}
|