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 50 /*********************************************************************** 51 * InitializeFlatSB (COMCTL32.@) 52 * 53 * Initializes flat scroll bars for the specified window. 54 * 55 * RETURNS 56 * Success: Non-zero 57 * Failure: Zero 58 * 59 * NOTES 60 * Subclasses specified window so that flat scroll bars may be drawn 61 * and used. 62 */ 63 BOOL WINAPI InitializeFlatSB(HWND hwnd) 64 { 65 TRACE("[%p]\n", hwnd); 66 return TRUE; 67 } 68 69 /*********************************************************************** 70 * UninitializeFlatSB (COMCTL32.@) 71 * 72 * Uninitializes flat scroll bars for the specified window. 73 * 74 * RETURNS 75 * E_FAIL if one of the scroll bars is currently in use 76 * S_FALSE if InitializeFlatSB() was never called on this hwnd 77 * S_OK otherwise 78 * 79 * NOTES 80 * Removes any subclassing on the specified window so that regular 81 * scroll bars are drawn and used. 82 */ 83 HRESULT WINAPI UninitializeFlatSB(HWND hwnd) 84 { 85 TRACE("[%p]\n", hwnd); 86 return S_FALSE; 87 } 88 89 /*********************************************************************** 90 * FlatSB_GetScrollProp (COMCTL32.@) 91 * 92 * Retrieves flat-scroll-bar-specific properties for the specified window. 93 * 94 * RETURNS 95 * nonzero if successful, or zero otherwise. If index is WSB_PROP_HSTYLE, 96 * the return is nonzero if InitializeFlatSB has been called for this window, or 97 * zero otherwise. 98 */ 99 BOOL WINAPI 100 FlatSB_GetScrollProp(HWND hwnd, INT propIndex, LPINT prop) 101 { 102 TRACE("[%p] propIndex=%d\n", hwnd, propIndex); 103 return FALSE; 104 } 105 106 /*********************************************************************** 107 * FlatSB_SetScrollProp (COMCTL32.@) 108 * 109 * Sets flat-scroll-bar-specific properties for the specified window. 110 * 111 * RETURNS 112 * Success: Non-zero 113 * Failure: Zero 114 */ 115 BOOL WINAPI 116 FlatSB_SetScrollProp(HWND hwnd, UINT index, INT newValue, BOOL flag) 117 { 118 TRACE("[%p] index=%u newValue=%d flag=%d\n", hwnd, index, newValue, flag); 119 return FALSE; 120 } 121 122 /*********************************************************************** 123 * From the Microsoft docs: 124 * "If flat scroll bars haven't been initialized for the 125 * window, the flat scroll bar APIs will defer to the corresponding 126 * standard APIs. This allows the developer to turn flat scroll 127 * bars on and off without having to write conditional code." 128 * 129 * So, if we just call the standard functions until we implement 130 * the flat scroll bar functions, flat scroll bars will show up and 131 * behave properly, as though they had simply not been setup to 132 * have flat properties. 133 * 134 * Susan <sfarley@codeweavers.com> 135 * 136 */ 137 138 /*********************************************************************** 139 * FlatSB_EnableScrollBar (COMCTL32.@) 140 * 141 * See EnableScrollBar. 142 */ 143 BOOL WINAPI 144 FlatSB_EnableScrollBar(HWND hwnd, int nBar, UINT flags) 145 { 146 return EnableScrollBar(hwnd, nBar, flags); 147 } 148 149 /*********************************************************************** 150 * FlatSB_ShowScrollBar (COMCTL32.@) 151 * 152 * See ShowScrollBar. 153 */ 154 BOOL WINAPI 155 FlatSB_ShowScrollBar(HWND hwnd, int nBar, BOOL fShow) 156 { 157 return ShowScrollBar(hwnd, nBar, fShow); 158 } 159 160 /*********************************************************************** 161 * FlatSB_GetScrollRange (COMCTL32.@) 162 * 163 * See GetScrollRange. 164 */ 165 BOOL WINAPI 166 FlatSB_GetScrollRange(HWND hwnd, int nBar, LPINT min, LPINT max) 167 { 168 return GetScrollRange(hwnd, nBar, min, max); 169 } 170 171 /*********************************************************************** 172 * FlatSB_GetScrollInfo (COMCTL32.@) 173 * 174 * See GetScrollInfo. 175 */ 176 BOOL WINAPI 177 FlatSB_GetScrollInfo(HWND hwnd, int nBar, LPSCROLLINFO info) 178 { 179 return GetScrollInfo(hwnd, nBar, info); 180 } 181 182 /*********************************************************************** 183 * FlatSB_GetScrollPos (COMCTL32.@) 184 * 185 * See GetScrollPos. 186 */ 187 INT WINAPI 188 FlatSB_GetScrollPos(HWND hwnd, int nBar) 189 { 190 return GetScrollPos(hwnd, nBar); 191 } 192 193 /*********************************************************************** 194 * FlatSB_SetScrollPos (COMCTL32.@) 195 * 196 * See SetScrollPos. 197 */ 198 INT WINAPI 199 FlatSB_SetScrollPos(HWND hwnd, int nBar, INT pos, BOOL bRedraw) 200 { 201 return SetScrollPos(hwnd, nBar, pos, bRedraw); 202 } 203 204 /*********************************************************************** 205 * FlatSB_SetScrollInfo (COMCTL32.@) 206 * 207 * See SetScrollInfo. 208 */ 209 INT WINAPI 210 FlatSB_SetScrollInfo(HWND hwnd, int nBar, LPSCROLLINFO info, BOOL bRedraw) 211 { 212 return SetScrollInfo(hwnd, nBar, info, bRedraw); 213 } 214 215 /*********************************************************************** 216 * FlatSB_SetScrollRange (COMCTL32.@) 217 * 218 * See SetScrollRange. 219 */ 220 INT WINAPI 221 FlatSB_SetScrollRange(HWND hwnd, int nBar, INT min, INT max, BOOL bRedraw) 222 { 223 return SetScrollRange(hwnd, nBar, min, max, bRedraw); 224 } 225 226 227 static LRESULT 228 FlatSB_Create (HWND hwnd, WPARAM wParam, LPARAM lParam) 229 { 230 TRACE("[%p] wParam=%04lx lParam=%08lx\n", hwnd, wParam, lParam); 231 return 0; 232 } 233 234 235 static LRESULT 236 FlatSB_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam) 237 { 238 TRACE("[%p] wParam=%04lx lParam=%08lx\n", hwnd, wParam, lParam); 239 return 0; 240 } 241 242 243 static LRESULT WINAPI 244 FlatSB_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) 245 { 246 if (!GetWindowLongPtrW(hwnd, 0) && (uMsg != WM_CREATE)) 247 return DefWindowProcW( hwnd, uMsg, wParam, lParam ); 248 249 switch (uMsg) 250 { 251 case WM_CREATE: 252 return FlatSB_Create (hwnd, wParam, lParam); 253 254 case WM_DESTROY: 255 return FlatSB_Destroy (hwnd, wParam, lParam); 256 257 default: 258 if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg)) 259 ERR("unknown msg %04x wp=%08lx lp=%08lx\n", 260 uMsg, wParam, lParam); 261 return DefWindowProcW (hwnd, uMsg, wParam, lParam); 262 } 263 } 264 265 266 VOID 267 FLATSB_Register (void) 268 { 269 WNDCLASSW wndClass; 270 271 ZeroMemory (&wndClass, sizeof(WNDCLASSW)); 272 wndClass.style = CS_GLOBALCLASS; 273 wndClass.lpfnWndProc = FlatSB_WindowProc; 274 wndClass.cbClsExtra = 0; 275 wndClass.cbWndExtra = sizeof(FLATSB_INFO *); 276 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW); 277 wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1); 278 wndClass.lpszClassName = FLATSB_CLASSW; 279 280 RegisterClassW (&wndClass); 281 } 282 283 284 VOID 285 FLATSB_Unregister (void) 286 { 287 UnregisterClassW (FLATSB_CLASSW, NULL); 288 } 289