ReactOS 0.4.15-dev-5667-ged97270
misc.c
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1/*
2 * ReactOS Sound Volume Control
3 * Copyright (C) 2004-2005 Thomas Weidenmueller
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19/*
20 * COPYRIGHT: See COPYING in the top level directory
21 * PROJECT: ReactOS Sound Volume Control
22 * FILE: base/applications/sndvol32/misc.c
23 * PROGRAMMERS: Thomas Weidenmueller <w3seek@reactos.com>
24 */
25
26#include "sndvol32.h"
27
28#include <winreg.h>
29
30static INT
32 IN UINT uID)
33{
34 HRSRC hrSrc;
35 HGLOBAL hRes;
36 LPWSTR lpName, lpStr;
37
38 if (hInst == NULL)
39 {
40 return -1;
41 }
42
43 /* There are always blocks of 16 strings */
44 lpName = (LPWSTR)MAKEINTRESOURCE((uID >> 4) + 1);
45
46 /* Find the string table block */
47 if ((hrSrc = FindResourceW(hInst,
48 lpName,
49 (LPWSTR)RT_STRING)) &&
50 (hRes = LoadResource(hInst,
51 hrSrc)) &&
52 (lpStr = LockResource(hRes)))
53 {
54 UINT x;
55
56 /* Find the string we're looking for */
57 uID &= 0xF; /* position in the block, same as % 16 */
58 for (x = 0; x < uID; x++)
59 {
60 lpStr += (*lpStr) + 1;
61 }
62
63 /* Found the string */
64 return (int)(*lpStr);
65 }
66 return -1;
67}
68
69INT
72 IN UINT uID)
73{
74 INT ln;
75
77 uID);
78 if (ln++ > 0)
79 {
80 (*lpTarget) = (LPWSTR)LocalAlloc(LMEM_FIXED,
81 ln * sizeof(WCHAR));
82 if ((*lpTarget) != NULL)
83 {
84 INT Ret = LoadStringW(hInst,
85 uID,
86 *lpTarget,
87 ln);
88 if (!Ret)
89 {
90 LocalFree((HLOCAL)(*lpTarget));
91 }
92 return Ret;
93 }
94 }
95 return 0;
96}
97
100 IN UINT uID,
101 OUT LPWSTR *lpTarget,
102 ...)
103{
104 DWORD Ret = 0;
106 va_list lArgs;
107
109 hInstance,
110 uID) > 0)
111 {
112 va_start(lArgs, lpTarget);
113 /* let's use FormatMessage to format it because it has the ability to
114 allocate memory automatically */
116 lpFormat,
117 0,
118 0,
119 (LPWSTR)lpTarget,
120 0,
121 &lArgs);
122 va_end(lArgs);
123
125 }
126
127 return Ret;
128}
129
130static const TCHAR AppRegSettings[] = TEXT("Software\\Microsoft\\Windows\\CurrentVersion\\Applets\\Volume Control");
131static const TCHAR AppOptionsKey[] = TEXT("Options");
132static const TCHAR LineStatesValue[] = TEXT("LineStates");
133static const TCHAR StyleValue[] = TEXT("Style");
134
136
137BOOL
139{
142 0,
143 NULL,
146 NULL,
149}
150
151VOID
153{
154 if (hAppSettingsKey != NULL)
155 {
158 }
159}
160
161BOOL
163{
164 HKEY hKey;
165 LONG lResult;
166 TCHAR DeviceMixerSettings[256];
168 DWORD cbData = sizeof(dwData);
169
170 /* Append the registry key path and device name key into one single string */
171 StringCchPrintf(DeviceMixerSettings, _countof(DeviceMixerSettings), TEXT("%s\\%s"), AppRegSettings, PrefContext->DeviceName);
172
174 DeviceMixerSettings,
175 0,
176 KEY_READ,
177 &hKey);
178 if (lResult != ERROR_SUCCESS)
179 {
180 return FALSE;
181 }
182
183 lResult = RegQueryValueEx(hKey,
184 TEXT("X"),
185 0,
186 0,
187 (LPBYTE)&dwData,
188 &cbData);
189 if (lResult != ERROR_SUCCESS)
190 {
192 return FALSE;
193 }
194
195 /* Cache the X coordinate point */
196 PrefContext->MixerWindow->WndPosX = dwData;
197
198 lResult = RegQueryValueEx(hKey,
199 TEXT("Y"),
200 0,
201 0,
202 (LPBYTE)&dwData,
203 &cbData);
204 if (lResult != ERROR_SUCCESS)
205 {
207 return FALSE;
208 }
209
210 /* Cache the Y coordinate point */
211 PrefContext->MixerWindow->WndPosY = dwData;
212
214 return TRUE;
215}
216
217BOOL
219 IN PPREFERENCES_CONTEXT PrefContext)
220{
221 HKEY hKey;
222 LONG lResult;
223 TCHAR DeviceMixerSettings[256];
225
226 /* Get the placement coordinate data from the window */
227 wp.length = sizeof(WINDOWPLACEMENT);
229
230 /* Append the registry key path and device name key into one single string */
231 StringCchPrintf(DeviceMixerSettings, _countof(DeviceMixerSettings), TEXT("%s\\%s"), AppRegSettings, PrefContext->DeviceName);
232
234 DeviceMixerSettings,
235 0,
237 &hKey);
238 if (lResult != ERROR_SUCCESS)
239 {
240 return FALSE;
241 }
242
243 lResult = RegSetValueEx(hKey,
244 TEXT("X"),
245 0,
246 REG_DWORD,
248 sizeof(wp.rcNormalPosition.left));
249 if (lResult != ERROR_SUCCESS)
250 {
252 return FALSE;
253 }
254
255 lResult = RegSetValueEx(hKey,
256 TEXT("Y"),
257 0,
258 REG_DWORD,
260 sizeof(wp.rcNormalPosition.top));
261 if (lResult != ERROR_SUCCESS)
262 {
264 return FALSE;
265 }
266
268 return TRUE;
269}
270
271BOOL
273 IN LPTSTR szLineName,
274 IN PSNDVOL_REG_LINESTATE LineState,
275 IN DWORD cbSize)
276{
277 HKEY hLineKey;
278 TCHAR szDevRegKey[MAX_PATH];
279 BOOL Ret = FALSE;
280
281 _stprintf(szDevRegKey,
282 TEXT("%s\\%s"),
284 szLineName);
285
287 szDevRegKey,
288 0,
289 NULL,
292 NULL,
293 &hLineKey,
295 {
296 /* now update line states */
297 RegSetValueEx(hLineKey, LineStatesValue, 0, REG_BINARY, (const BYTE*)LineState, cbSize);
298 Ret = TRUE;
299
300 RegCloseKey(hLineKey);
301 }
302
303 return Ret;
304}
305
306BOOL
308 IN LPTSTR szLineName,
309 IN LPTSTR szControlName,
310 OUT DWORD *Flags)
311{
312 HKEY hLineKey;
313 DWORD Type;
314 DWORD i, Size = 0;
315 PSNDVOL_REG_LINESTATE LineStates = NULL;
316 TCHAR szDevRegKey[MAX_PATH];
317 BOOL Ret = FALSE;
318
319 _stprintf(szDevRegKey,
320 TEXT("%s\\%s"),
322 szLineName);
323
325 szDevRegKey,
326 0,
327 NULL,
330 NULL,
331 &hLineKey,
333 {
334 if (RegQueryValueEx(hLineKey,
336 NULL,
337 &Type,
338 NULL,
339 &Size) != ERROR_SUCCESS ||
340 Type != REG_BINARY ||
341 Size == 0 || (Size % sizeof(SNDVOL_REG_LINESTATE) != 0))
342 {
343 goto ExitClose;
344 }
345
346 LineStates = HeapAlloc(GetProcessHeap(),
348 Size);
349
350 if (LineStates != NULL)
351 {
352 if (RegQueryValueEx(hLineKey,
354 NULL,
355 &Type,
356 (LPBYTE)LineStates,
357 &Size) != ERROR_SUCCESS ||
358 Type != REG_BINARY ||
359 Size == 0 || (Size % sizeof(SNDVOL_REG_LINESTATE) != 0))
360 {
361 goto ExitClose;
362 }
363
364 /* try to find the control */
365 for (i = 0; i < Size / sizeof(SNDVOL_REG_LINESTATE); i++)
366 {
367 if (!_tcscmp(szControlName,
368 LineStates[i].LineName))
369 {
370 *Flags = LineStates[i].Flags;
371 Ret = TRUE;
372 break;
373 }
374 }
375 }
376
377ExitClose:
379 0,
380 LineStates);
381 RegCloseKey(hLineKey);
382 }
383
384 return Ret;
385}
386
387DWORD
389{
390 HKEY hOptionsKey;
391 DWORD dwStyle = 0, dwSize;
392
395 0,
396 KEY_READ,
397 &hOptionsKey) == ERROR_SUCCESS)
398 {
399 dwSize = sizeof(DWORD);
400 RegQueryValueEx(hOptionsKey,
402 NULL,
403 NULL,
404 (LPBYTE)&dwStyle,
405 &dwSize);
406
407 RegCloseKey(hOptionsKey);
408 }
409
410 return dwStyle;
411}
Type
Definition: Type.h:7
char * va_list
Definition: acmsvcex.h:78
#define va_end(ap)
Definition: acmsvcex.h:90
#define va_start(ap, A)
Definition: acmsvcex.h:91
HWND hWnd
Definition: settings.c:17
INT LengthOfStrResource(IN HINSTANCE hInst, IN UINT uID)
Definition: misc.c:23
INT AllocAndLoadString(OUT LPTSTR *lpTarget, IN HINSTANCE hInst, IN UINT uID)
Definition: misc.c:59
DWORD LoadAndFormatString(IN HINSTANCE hInstance, IN UINT uID, OUT LPTSTR *lpTarget,...)
Definition: misc.c:85
static const TCHAR LineStatesValue[]
Definition: misc.c:132
BOOL InitAppConfig(VOID)
Definition: misc.c:138
VOID CloseAppConfig(VOID)
Definition: misc.c:152
DWORD GetStyleValue(VOID)
Definition: misc.c:388
static const TCHAR StyleValue[]
Definition: misc.c:133
static const TCHAR AppOptionsKey[]
Definition: misc.c:131
static const TCHAR AppRegSettings[]
Definition: misc.c:130
BOOL SaveXYCoordWnd(IN HWND hWnd, IN PPREFERENCES_CONTEXT PrefContext)
Definition: misc.c:218
BOOL WriteLineConfig(IN LPTSTR szDeviceName, IN LPTSTR szLineName, IN PSNDVOL_REG_LINESTATE LineState, IN DWORD cbSize)
Definition: misc.c:272
BOOL LoadXYCoordWnd(IN PPREFERENCES_CONTEXT PrefContext)
Definition: misc.c:162
BOOL ReadLineConfig(IN LPTSTR szDeviceName, IN LPTSTR szLineName, IN LPTSTR szControlName, OUT DWORD *Flags)
Definition: misc.c:307
HKEY hAppSettingsKey
Definition: misc.c:135
#define RegCloseKey(hKey)
Definition: registry.h:47
HINSTANCE hInstance
Definition: charmap.c:19
#define ERROR_SUCCESS
Definition: deptool.c:10
#define NULL
Definition: types.h:112
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
static const WCHAR szDeviceName[]
Definition: provider.c:56
#define GetProcessHeap()
Definition: compat.h:736
#define HeapAlloc
Definition: compat.h:733
#define MAX_PATH
Definition: compat.h:34
#define HeapFree(x, y, z)
Definition: compat.h:735
#define HEAP_ZERO_MEMORY
Definition: compat.h:134
HRSRC WINAPI FindResourceW(HINSTANCE hModule, LPCWSTR name, LPCWSTR type)
Definition: res.c:176
LPVOID WINAPI LockResource(HGLOBAL handle)
Definition: res.c:550
HGLOBAL WINAPI LoadResource(HINSTANCE hModule, HRSRC hRsrc)
Definition: res.c:532
DWORD WINAPI FormatMessageW(DWORD dwFlags, LPCVOID lpSource, DWORD dwMessageId, DWORD dwLanguageId, LPWSTR lpBuffer, DWORD nSize, __ms_va_list *args)
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HINSTANCE hInst
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unsigned int BOOL
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unsigned long DWORD
Definition: ntddk_ex.h:95
FxAutoRegKey hKey
GLint GLint GLint GLint GLint x
Definition: gl.h:1548
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
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HLOCAL NTAPI LocalAlloc(UINT uFlags, SIZE_T dwBytes)
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HLOCAL NTAPI LocalFree(HLOCAL hMem)
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static HANDLE ULONG_PTR dwData
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unsigned int UINT
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#define REG_BINARY
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long LONG
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Definition: sndvol32.h:68
struct _SNDVOL_REG_LINESTATE SNDVOL_REG_LINESTATE
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Definition: winuser.h:3285
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LONG left
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int32_t INT
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_In_ LPCSTR lpName
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struct _WINDOWPLACEMENT WINDOWPLACEMENT
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