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) && !COMCTL32_IsReflectedMessage(uMsg))
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 }
291
This page was automatically generated by the
LXR engine.
Visit the LXR main site for more
information.