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 FALSE;
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
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