ReactOS 0.4.16-dev-306-g647d351
display.c
Go to the documentation of this file.
1/*
2 * PROJECT: ReactOS Accessibility Control Panel
3 * LICENSE: GPL - See COPYING in the top level directory
4 * FILE: dll/cpl/access/display.c
5 * PURPOSE: Display-related accessibility settings
6 * COPYRIGHT: Copyright 2004 Johannes Anderwald (johannes.anderwald@reactos.org)
7 * Copyright 2007 Eric Kohl
8 */
9
10#include "access.h"
11
12#include <wingdi.h>
13
14#define ID_BLINK_TIMER 346
15
16static VOID
18 _In_ UINT uCaretBlinkTime)
19{
20 HKEY hKey;
21 WCHAR szBuffer[12];
22
24 L"Control Panel\\Desktop",
27 {
28 return;
29 }
30
31 wsprintf(szBuffer, L"%d", uCaretBlinkTime);
32
33 RegSetValueExW(hKey, L"CursorBlinkRate",
34 0, REG_SZ,
35 (CONST BYTE*)szBuffer,
36 (wcslen(szBuffer) + 1) * sizeof(WCHAR));
37
39}
40
41static VOID
43{
44 TCHAR szValue[128];
45 DWORD dwDisposition;
47 HKEY hKey;
48 LONG lError;
49 INT i;
50
52 _T("Control Panel\\Appearance\\Schemes"),
53 0,
54 NULL,
57 NULL,
58 &hKey,
59 &dwDisposition);
60 if (lError != ERROR_SUCCESS)
61 return;
62
63 for (i = 0; ; i++)
64 {
65 dwLength = 128;
66 lError = RegEnumValue(hKey,
67 i,
68 szValue,
70 if (lError == ERROR_NO_MORE_ITEMS)
71 break;
72
75 0,
76 (LPARAM)szValue);
77 }
78
80}
81
82
85 UINT uMsg,
88{
89 PGLOBAL_DATA pGlobalData;
90
91 pGlobalData = (PGLOBAL_DATA)GetWindowLongPtr(hwndDlg, DWLP_USER);
92
93 switch (uMsg)
94 {
95 case WM_INITDIALOG:
96 pGlobalData = (PGLOBAL_DATA)lParam;
97 SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)pGlobalData);
98
99 CheckDlgButton(hwndDlg,
101 pGlobalData->highContrast.dwFlags & HCF_HOTKEYACTIVE ? BST_CHECKED : BST_UNCHECKED);
102
104
105 SendDlgItemMessage(hwndDlg,
108 (WPARAM)-1,
109 (LPARAM)pGlobalData->highContrast.lpszDefaultScheme);
110 break;
111
112 case WM_COMMAND:
113 switch (LOWORD(wParam))
114 {
116 pGlobalData->highContrast.dwFlags ^= HCF_HOTKEYACTIVE;
117 break;
118
121 {
122 INT nSel;
123
125 CB_GETCURSEL, 0, 0);
127 CB_GETLBTEXT, nSel,
128 (LPARAM)pGlobalData->highContrast.lpszDefaultScheme);
129 }
130 break;
131
132 case IDOK:
133 EndDialog(hwndDlg, TRUE);
134 break;
135
136 case IDCANCEL:
137 EndDialog(hwndDlg, FALSE);
138 break;
139
140 default:
141 break;
142 }
143 break;
144 }
145
146 return FALSE;
147}
148
149
150/* Property page dialog callback */
153 UINT uMsg,
156{
157 PGLOBAL_DATA pGlobalData;
158 LPPSHNOTIFY lppsn;
159 INT i;
160
161 pGlobalData = (PGLOBAL_DATA)GetWindowLongPtr(hwndDlg, DWLP_USER);
162
163 switch (uMsg)
164 {
165 case WM_INITDIALOG:
166 pGlobalData = (PGLOBAL_DATA)((LPPROPSHEETPAGE)lParam)->lParam;
167 if (pGlobalData == NULL)
168 return FALSE;
169
170 SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)pGlobalData);
171
172 pGlobalData->fShowCaret = TRUE;
173 GetWindowRect(GetDlgItem(hwndDlg, IDC_CURSOR_WIDTH_TEXT), &pGlobalData->rcCaret);
174 ScreenToClient(hwndDlg, (LPPOINT)&pGlobalData->rcCaret.left);
175 ScreenToClient(hwndDlg, (LPPOINT)&pGlobalData->rcCaret.right);
176 CopyRect(&pGlobalData->rcOldCaret, &pGlobalData->rcCaret);
177
178 pGlobalData->rcCaret.right = pGlobalData->rcCaret.left + pGlobalData->uCaretWidth;
179
180 /* Set the checkbox */
181 CheckDlgButton(hwndDlg,
183 pGlobalData->highContrast.dwFlags & HCF_HIGHCONTRASTON ? BST_CHECKED : BST_UNCHECKED);
184
186 SendDlgItemMessage(hwndDlg, IDC_CURSOR_BLINK_TRACK, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)(12 - (pGlobalData->uCaretBlinkTime / 100)));
187
189 SendDlgItemMessage(hwndDlg, IDC_CURSOR_WIDTH_TRACK, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)(pGlobalData->uCaretWidth - 1));
190
191 /* Start the blink timer */
192 pGlobalData->uCaretBlinkTime = pGlobalData->uCaretBlinkTime >= 1200 ? -1 : pGlobalData->uCaretBlinkTime;
193 if ((INT)pGlobalData->uCaretBlinkTime > 0)
194 {
195 SetTimer(hwndDlg, ID_BLINK_TIMER, pGlobalData->uCaretBlinkTime, NULL);
196 }
197 else
198 {
199 PostMessage(hwndDlg, WM_TIMER, ID_BLINK_TIMER, 0);
200 }
201
202 return TRUE;
203
204 case WM_COMMAND:
205 switch (LOWORD(wParam))
206 {
207 case IDC_CONTRAST_BOX:
208 pGlobalData->highContrast.dwFlags ^= HCF_HIGHCONTRASTON;
209 PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
210 break;
211
215 hwndDlg,
217 (LPARAM)pGlobalData))
218 PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
219 break;
220
221 default:
222 break;
223 }
224 break;
225
226 case WM_HSCROLL:
228 {
231 pGlobalData->uCaretBlinkTime = (12 - (UINT)i) * 100;
232 KillTimer(hwndDlg, ID_BLINK_TIMER);
233 pGlobalData->uCaretBlinkTime = pGlobalData->uCaretBlinkTime >= 1200 ? -1 : pGlobalData->uCaretBlinkTime;
234 if ((INT)pGlobalData->uCaretBlinkTime > 0)
235 {
236 SetTimer(hwndDlg, ID_BLINK_TIMER, pGlobalData->uCaretBlinkTime, NULL);
237 }
238 else if (pGlobalData->fShowCaret)
239 {
240 SendMessage(hwndDlg, WM_TIMER, ID_BLINK_TIMER, 0);
241 }
242 PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
243 break;
244
247 pGlobalData->uCaretWidth = (UINT)i + 1;
248 pGlobalData->rcCaret.right = pGlobalData->rcCaret.left + pGlobalData->uCaretWidth;
249 if (pGlobalData->fShowCaret)
250 {
251 HDC hDC = GetDC(hwndDlg);
252 HBRUSH hBrush = GetSysColorBrush(COLOR_BTNTEXT);
253 FillRect(hDC, &pGlobalData->rcCaret, hBrush);
254 ReleaseDC(hwndDlg, hDC);
255 }
256 else
257 {
258 InvalidateRect(hwndDlg, &pGlobalData->rcOldCaret, TRUE);
259 }
260 PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
261 break;
262 }
263 break;
264
265 case WM_TIMER:
266 if (wParam == ID_BLINK_TIMER)
267 {
268 if (pGlobalData->fShowCaret)
269 {
270 HDC hDC = GetDC(hwndDlg);
271 HBRUSH hBrush = GetSysColorBrush(COLOR_BTNTEXT);
272 FillRect(hDC, &pGlobalData->rcCaret, hBrush);
273 ReleaseDC(hwndDlg, hDC);
274 }
275 else
276 {
277 InvalidateRect(hwndDlg, &pGlobalData->rcOldCaret, TRUE);
278 }
279
280 pGlobalData->fShowCaret = !pGlobalData->fShowCaret;
281 }
282 break;
283
284 case WM_NOTIFY:
285 lppsn = (LPPSHNOTIFY)lParam;
286 if (lppsn->hdr.code == PSN_APPLY)
287 {
288 if (SetCaretBlinkTime(pGlobalData->uCaretBlinkTime))
289 {
290 UpdateCaretBlinkTimeReg(pGlobalData->uCaretBlinkTime);
291 }
292
293 SystemParametersInfo(SPI_SETCARETWIDTH,
294 0,
295 IntToPtr(pGlobalData->uCaretWidth),
297 SystemParametersInfo(SPI_SETHIGHCONTRAST,
298 sizeof(HIGHCONTRAST),
299 &pGlobalData->highContrast,
301 return TRUE;
302 }
303 break;
304
305 case WM_DESTROY:
306 KillTimer(hwndDlg, ID_BLINK_TIMER);
307 break;
308 }
309
310 return FALSE;
311}
static HDC hDC
Definition: 3dtext.c:33
struct _GLOBAL_DATA * PGLOBAL_DATA
#define IntToPtr(i)
Definition: basetsd.h:89
#define RegCloseKey(hKey)
Definition: registry.h:49
WPARAM wParam
Definition: combotst.c:138
LPARAM lParam
Definition: combotst.c:139
#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
HINSTANCE hApplet
Definition: access.c:17
INT_PTR CALLBACK DisplayPageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
Definition: display.c:152
#define ID_BLINK_TIMER
Definition: display.c:14
INT_PTR CALLBACK HighContrastDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
Definition: display.c:84
static VOID FillColorSchemeComboBox(HWND hwnd)
Definition: display.c:42
static VOID UpdateCaretBlinkTimeReg(_In_ UINT uCaretBlinkTime)
Definition: display.c:17
#define IDD_CONTRASTOPTIONS
Definition: resource.h:18
#define IDC_CURSOR_WIDTH_TRACK
Definition: resource.h:90
#define IDC_CURSOR_BLINK_TRACK
Definition: resource.h:89
#define IDC_CONTRAST_COMBO
Definition: resource.h:88
#define IDC_CONTRAST_BOX
Definition: resource.h:47
#define IDC_CONTRAST_BUTTON
Definition: resource.h:48
#define IDC_CONTRAST_ACTIVATE_CHECK
Definition: resource.h:87
#define IDC_CURSOR_WIDTH_TEXT
Definition: resource.h:91
LONG WINAPI RegOpenKeyExW(HKEY hKey, LPCWSTR lpSubKey, DWORD ulOptions, REGSAM samDesired, PHKEY phkResult)
Definition: reg.c:3333
LONG WINAPI RegSetValueExW(_In_ HKEY hKey, _In_ LPCWSTR lpValueName, _In_ DWORD Reserved, _In_ DWORD dwType, _In_ CONST BYTE *lpData, _In_ DWORD cbData)
Definition: reg.c:4882
#define ERROR_NO_MORE_ITEMS
Definition: compat.h:105
#define CALLBACK
Definition: compat.h:35
static DWORD DWORD * dwLength
Definition: fusion.c:86
unsigned long DWORD
Definition: ntddk_ex.h:95
FxAutoRegKey hKey
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
Definition: glfuncs.h:248
_CRTIMP size_t __cdecl wcslen(_In_z_ const wchar_t *_Str)
#define REG_SZ
Definition: layer.c:22
static HDC
Definition: imagelist.c:88
__int3264 LONG_PTR
Definition: mstsclib_h.h:276
unsigned int UINT
Definition: ndis.h:50
#define _In_
Definition: no_sal2.h:158
#define REG_OPTION_NON_VOLATILE
Definition: nt_native.h:1057
#define KEY_QUERY_VALUE
Definition: nt_native.h:1016
#define KEY_EXECUTE
Definition: nt_native.h:1037
#define KEY_ENUMERATE_SUB_KEYS
Definition: nt_native.h:1019
#define KEY_SET_VALUE
Definition: nt_native.h:1017
#define L(x)
Definition: ntvdm.h:50
#define LOWORD(l)
Definition: pedump.c:82
#define CONST
Definition: pedump.c:81
long LONG
Definition: pedump.c:60
#define PropSheet_Changed(d, w)
Definition: prsht.h:344
#define PSN_APPLY
Definition: prsht.h:117
#define LPPROPSHEETPAGE
Definition: prsht.h:390
struct _PSHNOTIFY * LPPSHNOTIFY
#define TBM_GETPOS
Definition: commctrl.h:2036
#define TBM_SETRANGE
Definition: commctrl.h:2042
#define TBM_SETPOS
Definition: commctrl.h:2041
#define WM_NOTIFY
Definition: richedit.h:61
NMHDR hdr
Definition: prsht.h:330
UINT code
Definition: winuser.h:3162
#define GetWindowLongPtr
Definition: treelist.c:73
#define SetWindowLongPtr
Definition: treelist.c:70
int32_t INT_PTR
Definition: typedefs.h:64
int32_t INT
Definition: typedefs.h:58
#define MAKELONG(a, b)
Definition: typedefs.h:249
#define HIWORD(l)
Definition: typedefs.h:247
#define _T(x)
Definition: vfdio.h:22
_In_ LONG _In_ HWND hwnd
Definition: winddi.h:4023
LONG_PTR LPARAM
Definition: windef.h:208
UINT_PTR WPARAM
Definition: windef.h:207
int WINAPI FillRect(HDC, LPCRECT, HBRUSH)
#define HKEY_CURRENT_USER
Definition: winreg.h:11
#define RegCreateKeyEx
Definition: winreg.h:501
#define RegEnumValue
Definition: winreg.h:511
int WINAPI ReleaseDC(_In_opt_ HWND, _In_ HDC)
#define CB_SELECTSTRING
Definition: winuser.h:1963
BOOL WINAPI CopyRect(_Out_ LPRECT, _In_ LPCRECT)
#define HCF_HIGHCONTRASTON
Definition: winuser.h:2137
#define COLOR_BTNTEXT
Definition: winuser.h:936
#define DWLP_USER
Definition: winuser.h:875
#define CB_GETLBTEXT
Definition: winuser.h:1955
#define WM_HSCROLL
Definition: winuser.h:1746
BOOL WINAPI CheckDlgButton(_In_ HWND, _In_ int, _In_ UINT)
#define IDCANCEL
Definition: winuser.h:834
#define BST_UNCHECKED
Definition: winuser.h:199
BOOL WINAPI GetWindowRect(_In_ HWND, _Out_ LPRECT)
#define GWL_ID
Definition: winuser.h:862
HBRUSH WINAPI GetSysColorBrush(_In_ int)
#define WM_COMMAND
Definition: winuser.h:1743
BOOL WINAPI SetCaretBlinkTime(_In_ UINT)
#define DialogBoxParam
Definition: winuser.h:5776
#define WM_INITDIALOG
Definition: winuser.h:1742
HWND WINAPI GetDlgItem(_In_opt_ HWND, _In_ int)
#define IDOK
Definition: winuser.h:833
UINT_PTR WINAPI SetTimer(_In_opt_ HWND, _In_ UINT_PTR, _In_ UINT, _In_opt_ TIMERPROC)
#define CBN_SELCHANGE
Definition: winuser.h:1982
#define SPIF_SENDCHANGE
Definition: winuser.h:1575
#define HCF_HOTKEYACTIVE
Definition: winuser.h:2139
#define SPIF_UPDATEINIFILE
Definition: winuser.h:1574
#define WM_TIMER
Definition: winuser.h:1745
#define CB_ADDSTRING
Definition: winuser.h:1939
#define SendMessage
Definition: winuser.h:5855
HDC WINAPI GetDC(_In_opt_ HWND)
#define wsprintf
Definition: winuser.h:5877
#define PostMessage
Definition: winuser.h:5844
HWND WINAPI GetParent(_In_ HWND)
#define WM_DESTROY
Definition: winuser.h:1612
BOOL WINAPI InvalidateRect(_In_opt_ HWND, _In_opt_ LPCRECT, _In_ BOOL)
BOOL WINAPI KillTimer(_In_opt_ HWND, _In_ UINT_PTR)
#define SystemParametersInfo
Definition: winuser.h:5870
#define CB_GETCURSEL
Definition: winuser.h:1946
#define SendDlgItemMessage
Definition: winuser.h:5854
#define MAKEINTRESOURCE
Definition: winuser.h:591
#define BST_CHECKED
Definition: winuser.h:197
BOOL WINAPI EndDialog(_In_ HWND, _In_ INT_PTR)
BOOL WINAPI ScreenToClient(_In_ HWND, _Inout_ LPPOINT)
char TCHAR
Definition: xmlstorage.h:189
__wchar_t WCHAR
Definition: xmlstorage.h:180
unsigned char BYTE
Definition: xxhash.c:193