dlls/comctl32/flatsb.c

   1 /*
   2  * Flat Scrollbar control
   3  *
   4  * Copyright 1998, 1999 Eric Kohl
   5  * Copyright 1998 Alex Priem
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  *
  21  * NOTES
  22  *   This is just a dummy control. An author is needed! Any volunteers?
  23  *   I will only improve this control once in a while.
  24  *     Eric <ekohl@abo.rhein-zeitung.de>
  25  *
  26  * TODO:
  27  *   - All messages.
  28  *   - All notifications.
  29  *
  30  */
  31
  32 #include <stdarg.h>
  33 #include <string.h>
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "winerror.h"
  37 #include "winuser.h"
  38 #include "commctrl.h"
  39 #include "comctl32.h"
  40 #include "wine/debug.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(commctrl);
  43
  44 typedef struct
  45 {
  46     DWORD dwDummy;  /* just to keep the compiler happy ;-) */
  47 } FLATSB_INFO, *LPFLATSB_INFO;
  48
  49 #define FlatSB_GetInfoPtr(hwnd) ((FLATSB_INFO*)GetWindowLongPtrW (hwnd, 0))
  50
  51
  52 /***********************************************************************
  53  *              InitializeFlatSB (COMCTL32.@)
  54  *
  55  * Initializes flat scroll bars for the specified window.
  56  *
  57  * RETURNS
  58  *     Success: Non-zero
  59  *     Failure: Zero
  60  *
  61  * NOTES
  62  *     Subclasses specified window so that flat scroll bars may be drawn
  63  *     and used.
  64  */
  65 BOOL WINAPI InitializeFlatSB(HWND hwnd)
  66 {
  67     TRACE("[%p]\n", hwnd);
  68     return FALSE;
  69 }
  70
  71 /***********************************************************************
  72  *              UninitializeFlatSB (COMCTL32.@)
  73  *
  74  * Uninitializes flat scroll bars for the specified window.
  75  *
  76  * RETURNS
  77  *      E_FAIL          if one of the scroll bars is currently in use
  78  *      S_FALSE         if InitializeFlatSB() was never called on this hwnd
  79  *      S_OK            otherwise
  80  *
  81  * NOTES
  82  *     Removes any subclassing on the specified window so that regular
  83  *     scroll bars are drawn and used.
  84  */
  85 HRESULT WINAPI UninitializeFlatSB(HWND hwnd)
  86 {
  87     TRACE("[%p]\n", hwnd);
  88     return S_FALSE;
  89 }
  90
  91 /***********************************************************************
  92  *              FlatSB_GetScrollProp (COMCTL32.@)
  93  *
  94  * Retrieves flat-scroll-bar-specific properties for the specified window.
  95  *
  96  * RETURNS
  97  *     nonzero if successful, or zero otherwise. If index is WSB_PROP_HSTYLE,
  98  *     the return is nonzero if InitializeFlatSB has been called for this window, or
  99  *     zero otherwise.
 100  */
 101 BOOL WINAPI
 102 FlatSB_GetScrollProp(HWND hwnd, INT propIndex, LPINT prop)
 103 {
 104     TRACE("[%p] propIndex=%d\n", hwnd, propIndex);
 105     return FALSE;
 106 }
 107
 108 /***********************************************************************
 109  *              FlatSB_SetScrollProp (COMCTL32.@)
 110  *
 111  * Sets flat-scroll-bar-specific properties for the specified window.
 112  *
 113  * RETURNS
 114  *     Success: Non-zero
 115  *     Failure: Zero
 116  */
 117 BOOL WINAPI
 118 FlatSB_SetScrollProp(HWND hwnd, UINT index, INT newValue, BOOL flag)
 119 {
 120     TRACE("[%p] index=%u newValue=%d flag=%d\n", hwnd, index, newValue, flag);
 121     return FALSE;
 122 }
 123
 124 /***********************************************************************
 125  *      From the Microsoft docs:
 126  *      "If flat scroll bars haven't been initialized for the
 127  *      window, the flat scroll bar APIs will defer to the corresponding
 128  *      standard APIs.  This allows the developer to turn flat scroll
 129  *      bars on and off without having to write conditional code."
 130  *
 131  *      So, if we just call the standard functions until we implement
 132  *      the flat scroll bar functions, flat scroll bars will show up and
 133  *      behave properly, as though they had simply not been setup to
 134  *      have flat properties.
 135  *
 136  *      Susan <sfarley@codeweavers.com>
 137  *
 138  */
 139
 140 /***********************************************************************
 141  *              FlatSB_EnableScrollBar (COMCTL32.@)
 142  *
 143  * See EnableScrollBar.
 144  */
 145 BOOL WINAPI
 146 FlatSB_EnableScrollBar(HWND hwnd, int nBar, UINT flags)
 147 {
 148     return EnableScrollBar(hwnd, nBar, flags);
 149 }
 150
 151 /***********************************************************************
 152  *              FlatSB_ShowScrollBar (COMCTL32.@)
 153  *
 154  * See ShowScrollBar.
 155  */
 156 BOOL WINAPI
 157 FlatSB_ShowScrollBar(HWND hwnd, int nBar, BOOL fShow)
 158 {
 159     return ShowScrollBar(hwnd, nBar, fShow);
 160 }
 161
 162 /***********************************************************************
 163  *              FlatSB_GetScrollRange (COMCTL32.@)
 164  *
 165  * See GetScrollRange.
 166  */
 167 BOOL WINAPI
 168 FlatSB_GetScrollRange(HWND hwnd, int nBar, LPINT min, LPINT max)
 169 {
 170     return GetScrollRange(hwnd, nBar, min, max);
 171 }
 172
 173 /***********************************************************************
 174  *              FlatSB_GetScrollInfo (COMCTL32.@)
 175  *
 176  * See GetScrollInfo.
 177  */
 178 BOOL WINAPI
 179 FlatSB_GetScrollInfo(HWND hwnd, int nBar, LPSCROLLINFO info)
 180 {
 181     return GetScrollInfo(hwnd, nBar, info);
 182 }
 183
 184 /***********************************************************************
 185  *              FlatSB_GetScrollPos (COMCTL32.@)
 186  *
 187  * See GetScrollPos.
 188  */
 189 INT WINAPI
 190 FlatSB_GetScrollPos(HWND hwnd, int nBar)
 191 {
 192     return GetScrollPos(hwnd, nBar);
 193 }
 194
 195 /***********************************************************************
 196  *              FlatSB_SetScrollPos (COMCTL32.@)
 197  *
 198  * See SetScrollPos.
 199  */
 200 INT WINAPI
 201 FlatSB_SetScrollPos(HWND hwnd, int nBar, INT pos, BOOL bRedraw)
 202 {
 203     return SetScrollPos(hwnd, nBar, pos, bRedraw);
 204 }
 205
 206 /***********************************************************************
 207  *              FlatSB_SetScrollInfo (COMCTL32.@)
 208  *
 209  * See SetScrollInfo.
 210  */
 211 INT WINAPI
 212 FlatSB_SetScrollInfo(HWND hwnd, int nBar, LPSCROLLINFO info, BOOL bRedraw)
 213 {
 214     return SetScrollInfo(hwnd, nBar, info, bRedraw);
 215 }
 216
 217 /***********************************************************************
 218  *              FlatSB_SetScrollRange (COMCTL32.@)
 219  *
 220  * See SetScrollRange.
 221  */
 222 INT WINAPI
 223 FlatSB_SetScrollRange(HWND hwnd, int nBar, INT min, INT max, BOOL bRedraw)
 224 {
 225     return SetScrollRange(hwnd, nBar, min, max, bRedraw);
 226 }
 227
 228
 229 static LRESULT
 230 FlatSB_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
 231 {
 232     TRACE("[%p] wParam=%04lx lParam=%08lx\n", hwnd, wParam, lParam);
 233     return 0;
 234 }
 235
 236
 237 static LRESULT
 238 FlatSB_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
 239 {
 240     TRACE("[%p] wParam=%04lx lParam=%08lx\n", hwnd, wParam, lParam);
 241     return 0;
 242 }
 243
 244
 245 static LRESULT WINAPI
 246 FlatSB_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 247 {
 248     if (!FlatSB_GetInfoPtr(hwnd) && (uMsg != WM_CREATE))
 249         return DefWindowProcW( hwnd, uMsg, wParam, lParam );
 250
 251     switch (uMsg)
 252     {
 253         case WM_CREATE:
 254             return FlatSB_Create (hwnd, wParam, lParam);
 255
 256         case WM_DESTROY:
 257             return FlatSB_Destroy (hwnd, wParam, lParam);
 258
 259         default:
 260             if ((uMsg >= WM_USER) && (uMsg < WM_APP))
 261                 ERR("unknown msg %04x wp=%08lx lp=%08lx\n",
 262                     uMsg, wParam, lParam);
 263             return DefWindowProcW (hwnd, uMsg, wParam, lParam);
 264     }
 265 }
 266
 267
 268 VOID
 269 FLATSB_Register (void)
 270 {
 271     WNDCLASSW wndClass;
 272
 273     ZeroMemory (&wndClass, sizeof(WNDCLASSW));
 274     wndClass.style         = CS_GLOBALCLASS;
 275     wndClass.lpfnWndProc   = FlatSB_WindowProc;
 276     wndClass.cbClsExtra    = 0;
 277     wndClass.cbWndExtra    = sizeof(FLATSB_INFO *);
 278     wndClass.hCursor       = LoadCursorW (0, (LPWSTR)IDC_ARROW);
 279     wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
 280     wndClass.lpszClassName = FLATSB_CLASSW;
 281
 282     RegisterClassW (&wndClass);
 283 }
 284
 285
 286 VOID
 287 FLATSB_Unregister (void)
 288 {
 289     UnregisterClassW (FLATSB_CLASSW, NULL);
 290 }