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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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 "wingdi.h"
  38 #include "winuser.h"
  39 #include "winnls.h"
  40 #include "commctrl.h"
  41 #include "wine/debug.h"
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(commctrl);
  44
  45 typedef struct
  46 {
  47     DWORD dwDummy;  /* just to keep the compiler happy ;-) */
  48 } FLATSB_INFO, *LPFLATSB_INFO;
  49
  50 #define FlatSB_GetInfoPtr(hwnd) ((FLATSB_INFO*)GetWindowLongPtrW (hwnd, 0))
  51
  52
  53 /***********************************************************************
  54  *              InitializeFlatSB (COMCTL32.@)
  55  *
  56  * Initializes flat scroll bars for the specified window.
  57  *
  58  * RETURNS
  59  *     Success: Non-zero
  60  *     Failure: Zero
  61  *
  62  * NOTES
  63  *     Subclasses specified window so that flat scroll bars may be drawn
  64  *     and used.
  65  */
  66 BOOL WINAPI InitializeFlatSB(HWND hwnd)
  67 {
  68     TRACE("[%p]\n", hwnd);
  69     return FALSE;
  70 }
  71
  72 /***********************************************************************
  73  *              UninitializeFlatSB (COMCTL32.@)
  74  *
  75  * Uninitializes flat scroll bars for the specified window.
  76  *
  77  * RETURNS
  78  *      E_FAIL          if one of the scroll bars is currently in use
  79  *      S_FALSE         if InitializeFlatSB() was never called on this hwnd
  80  *      S_OK            otherwise
  81  *
  82  * NOTES
  83  *     Removes any subclassing on the specified window so that regular
  84  *     scroll bars are drawn and used.
  85  */
  86 HRESULT WINAPI UninitializeFlatSB(HWND hwnd)
  87 {
  88     TRACE("[%p]\n", hwnd);
  89     return S_FALSE;
  90 }
  91
  92 /***********************************************************************
  93  *              FlatSB_GetScrollProp (COMCTL32.@)
  94  *
  95  * Retrieves flat-scroll-bar-specific properties for the specified window.
  96  *
  97  * RETURNS
  98  *     nonzero if successful, or zero otherwise. If index is WSB_PROP_HSTYLE,
  99  *     the return is nonzero if InitializeFlatSB has been called for this window, or
 100  *     zero otherwise.
 101  */
 102 BOOL WINAPI
 103 FlatSB_GetScrollProp(HWND hwnd, INT propIndex, LPINT prop)
 104 {
 105     TRACE("[%p] propIndex=%d\n", hwnd, propIndex);
 106     return FALSE;
 107 }
 108
 109 /***********************************************************************
 110  *              FlatSB_SetScrollProp (COMCTL32.@)
 111  *
 112  * Sets flat-scroll-bar-specific properties for the specified window.
 113  *
 114  * RETURNS
 115  *     Success: Non-zero
 116  *     Failure: Zero
 117  */
 118 BOOL WINAPI
 119 FlatSB_SetScrollProp(HWND hwnd, UINT index, INT newValue, BOOL flag)
 120 {
 121     TRACE("[%p] index=%u newValue=%d flag=%d\n", hwnd, index, newValue, flag);
 122     return FALSE;
 123 }
 124
 125 /***********************************************************************
 126  *      From the Microsoft docs:
 127  *      "If flat scroll bars haven't been initialized for the
 128  *      window, the flat scroll bar APIs will defer to the corresponding
 129  *      standard APIs.  This allows the developer to turn flat scroll
 130  *      bars on and off without having to write conditional code."
 131  *
 132  *      So, if we just call the standard functions until we implement
 133  *      the flat scroll bar functions, flat scroll bars will show up and
 134  *      behave properly, as though they had simply not been setup to
 135  *      have flat properties.
 136  *
 137  *      Susan <sfarley@codeweavers.com>
 138  *
 139  */
 140
 141 /***********************************************************************
 142  *              FlatSB_EnableScrollBar (COMCTL32.@)
 143  *
 144  * See EnableScrollBar.
 145  */
 146 BOOL WINAPI
 147 FlatSB_EnableScrollBar(HWND hwnd, int nBar, UINT flags)
 148 {
 149     return EnableScrollBar(hwnd, nBar, flags);
 150 }
 151
 152 /***********************************************************************
 153  *              FlatSB_ShowScrollBar (COMCTL32.@)
 154  *
 155  * See ShowScrollBar.
 156  */
 157 BOOL WINAPI
 158 FlatSB_ShowScrollBar(HWND hwnd, int nBar, BOOL fShow)
 159 {
 160     return ShowScrollBar(hwnd, nBar, fShow);
 161 }
 162
 163 /***********************************************************************
 164  *              FlatSB_GetScrollRange (COMCTL32.@)
 165  *
 166  * See GetScrollRange.
 167  */
 168 BOOL WINAPI
 169 FlatSB_GetScrollRange(HWND hwnd, int nBar, LPINT min, LPINT max)
 170 {
 171     return GetScrollRange(hwnd, nBar, min, max);
 172 }
 173
 174 /***********************************************************************
 175  *              FlatSB_GetScrollInfo (COMCTL32.@)
 176  *
 177  * See GetScrollInfo.
 178  */
 179 BOOL WINAPI
 180 FlatSB_GetScrollInfo(HWND hwnd, int nBar, LPSCROLLINFO info)
 181 {
 182     return GetScrollInfo(hwnd, nBar, info);
 183 }
 184
 185 /***********************************************************************
 186  *              FlatSB_GetScrollPos (COMCTL32.@)
 187  *
 188  * See GetScrollPos.
 189  */
 190 INT WINAPI
 191 FlatSB_GetScrollPos(HWND hwnd, int nBar)
 192 {
 193     return GetScrollPos(hwnd, nBar);
 194 }
 195
 196 /***********************************************************************
 197  *              FlatSB_SetScrollPos (COMCTL32.@)
 198  *
 199  * See SetScrollPos.
 200  */
 201 INT WINAPI
 202 FlatSB_SetScrollPos(HWND hwnd, int nBar, INT pos, BOOL bRedraw)
 203 {
 204     return SetScrollPos(hwnd, nBar, pos, bRedraw);
 205 }
 206
 207 /***********************************************************************
 208  *              FlatSB_SetScrollInfo (COMCTL32.@)
 209  *
 210  * See SetScrollInfo.
 211  */
 212 INT WINAPI
 213 FlatSB_SetScrollInfo(HWND hwnd, int nBar, LPSCROLLINFO info, BOOL bRedraw)
 214 {
 215     return SetScrollInfo(hwnd, nBar, info, bRedraw);
 216 }
 217
 218 /***********************************************************************
 219  *              FlatSB_SetScrollRange (COMCTL32.@)
 220  *
 221  * See SetScrollRange.
 222  */
 223 INT WINAPI
 224 FlatSB_SetScrollRange(HWND hwnd, int nBar, INT min, INT max, BOOL bRedraw)
 225 {
 226     return SetScrollRange(hwnd, nBar, min, max, bRedraw);
 227 }
 228
 229
 230 static LRESULT
 231 FlatSB_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
 232 {
 233     TRACE("[%p] wParam=%04x lParam=%08lx\n", hwnd, wParam, lParam);
 234     return 0;
 235 }
 236
 237
 238 static LRESULT
 239 FlatSB_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
 240 {
 241     TRACE("[%p] wParam=%04x lParam=%08lx\n", hwnd, wParam, lParam);
 242     return 0;
 243 }
 244
 245
 246 static LRESULT WINAPI
 247 FlatSB_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 248 {
 249     if (!FlatSB_GetInfoPtr(hwnd) && (uMsg != WM_CREATE))
 250         return DefWindowProcA( hwnd, uMsg, wParam, lParam );
 251
 252     switch (uMsg)
 253     {
 254         case WM_CREATE:
 255             return FlatSB_Create (hwnd, wParam, lParam);
 256
 257         case WM_DESTROY:
 258             return FlatSB_Destroy (hwnd, wParam, lParam);
 259
 260         default:
 261             if ((uMsg >= WM_USER) && (uMsg < WM_APP))
 262                 ERR("unknown msg %04x wp=%08x lp=%08lx\n",
 263                     uMsg, wParam, lParam);
 264             return DefWindowProcA (hwnd, uMsg, wParam, lParam);
 265     }
 266     return 0;
 267 }
 268
 269
 270 VOID
 271 FLATSB_Register (void)
 272 {
 273     WNDCLASSA wndClass;
 274
 275     ZeroMemory (&wndClass, sizeof(WNDCLASSA));
 276     wndClass.style         = CS_GLOBALCLASS;
 277     wndClass.lpfnWndProc   = (WNDPROC)FlatSB_WindowProc;
 278     wndClass.cbClsExtra    = 0;
 279     wndClass.cbWndExtra    = sizeof(FLATSB_INFO *);
 280     wndClass.hCursor       = LoadCursorA (0, (LPSTR)IDC_ARROW);
 281     wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
 282     wndClass.lpszClassName = FLATSB_CLASSA;
 283
 284     RegisterClassA (&wndClass);
 285 }
 286
 287
 288 VOID
 289 FLATSB_Unregister (void)
 290 {
 291     UnregisterClassA (FLATSB_CLASSA, NULL);
 292 }