ReactOS 0.4.15-dev-7654-g6bc40d3
biditext.c
Go to the documentation of this file.
1/*
2 * PROJECT: ReactOS Tests
3 * FILE: rostests/win32/user32/biditext/biditext.c
4 * PURPOSE: Demonstrates how ExtTextOut and GetCharacterPlacement
5 * handle bidirectional text strings via certain selection
6 * of flags provided to them.
7 *
8 * PROGRAMMER: Program skeleton: https://github.com/TransmissionZero/MinGW-Win32-Application
9 * Test code by Baruch Rutman
10 */
11
12#include "biditext.h"
13
14/* Prototypes */
15DWORD WINAPI LpkGetCharacterPlacement(HDC hdc, LPCWSTR lpString, INT uCount, INT nMaxExtent,
16 GCP_RESULTSW *lpResults, DWORD dwFlags, DWORD dwUnused);
17
19 UINT fuOptions, const RECT *lprc, LPCWSTR lpString,
20 UINT uCount , const INT *lpDx, INT unknown);
21
22/* Global instance handle */
24
25/* Our application entry point */
26int WINAPI
28 HINSTANCE hPrevInstance,
29 LPTSTR lpszCmdLine,
30 int nCmdShow)
31{
33 HWND hWnd;
34 HACCEL hAccelerators;
35 MSG msg;
36
37 /* Assign global HINSTANCE */
39
40 /* Initialise common controls */
41 icc.dwSize = sizeof(icc);
44
45 /* Register our main window class, or error */
47 {
48 MessageBox(NULL, TEXT("Error registering main window class."), TEXT("Error"), MB_ICONERROR | MB_OK);
49 return 0;
50 }
51
52 /* Create our main window, or error */
53 if (!(hWnd = CreateMainWindow()))
54 {
55 MessageBox(NULL, TEXT("Error creating main window."), TEXT("Error"), MB_ICONERROR | MB_OK);
56 return 0;
57 }
58
59 /* Load accelerators */
61
62 /* Show main window and force a paint */
63 ShowWindow(hWnd, nCmdShow | SW_MAXIMIZE);
65
66 /* Main message loop */
67 while (GetMessage(&msg, NULL, 0, 0) > 0)
68 {
69 if (!TranslateAccelerator(hWnd, hAccelerators, &msg))
70 {
73 }
74 }
75
76 return (int)msg.wParam;
77}
78
79/* Dialog procedure for our "about" dialog */
81{
82 switch (uMsg)
83 {
84 case WM_COMMAND:
85 {
86 WORD id = LOWORD(wParam);
87
88 switch (id)
89 {
90 case IDOK:
91 case IDCANCEL:
92 {
93 EndDialog(hwndDlg, (INT_PTR)id);
94 return (INT_PTR)TRUE;
95 }
96 }
97 break;
98 }
99
100 case WM_INITDIALOG:
101 {
102 return (INT_PTR)TRUE;
103 }
104 }
105
106 return (INT_PTR)FALSE;
107}
108
109/* Show our "about" dialog */
111{
113}
114
115/* Main window class and title */
116static LPCTSTR MainWndClass = TEXT("BiDi Test");
117
118/* Window procedure for our main window */
120{
121 switch (msg)
122 {
123 case WM_COMMAND:
124 {
125 WORD id = LOWORD(wParam);
126
127 switch (id)
128 {
129 case ID_HELP_ABOUT:
130 {
132 return 0;
133 }
134
135 case ID_FILE_EXIT:
136 {
138 return 0;
139 }
140 }
141 break;
142 }
143
144 case WM_GETMINMAXINFO:
145 {
146 /* Prevent our window from being sized too small */
147 MINMAXINFO *minMax = (MINMAXINFO*)lParam;
148 minMax->ptMinTrackSize.x = 220;
149 minMax->ptMinTrackSize.y = 110;
150
151 return 0;
152 }
153
154 /* Item from system menu has been invoked */
155 case WM_SYSCOMMAND:
156 {
157 WORD id = LOWORD(wParam);
158
159 switch (id)
160 {
161 /* Show "about" dialog on about system menu item */
162 case ID_HELP_ABOUT:
163 {
165 return 0;
166 }
167 }
168 break;
169 }
170
171 case WM_PAINT:
172 {
173 PAINTSTRUCT ps;
174
175 HDC hdc = BeginPaint(hWnd, &ps);
176
177 enum
178 {
179 ALEF = 0x5D0,
180 BET,
181 GIMEL,
182 DALET,
183 HEY,
184 VAV,
185 ZAYIN,
186 HET,
187 TET,
188 YUD
189 };
190
191 const WCHAR szString[] = {ALEF, BET, GIMEL, DALET, HEY, 'A', 'B', 'C', 'D', VAV, ZAYIN, HET, TET, YUD, 0};
192 const WCHAR szReversedString[] = {HEY, DALET, GIMEL, BET, ALEF, 'A', 'B', 'C', 'D', YUD, TET, HET, ZAYIN, VAV, 0};
193 int Len = lstrlenW(szString);
194 int i, xpos, tempLength;
195 WCHAR tempString[20] = { 0 };
196 WCHAR Glyphs[100] = { 0 };
197 WCHAR OutString[100] = { 0 };
198 INT lpCaretPos[100] = { 0 };
199 UINT lpOrder[100] = { 0 };
200 GCP_RESULTSW Results = { 0 };
201
202 Results.lStructSize = sizeof(Results);
203 Results.lpOutString = OutString;
204 Results.lpGlyphs = Glyphs;
205 Results.nGlyphs = 100;
206 Results.lpCaretPos = lpCaretPos;
207 Results.lpOrder = lpOrder;
208
210
211 TextOutW(hdc, 10, 10, L"Proper (string being used):", 27);
212 TextOutW(hdc, 200, 10, szString, 14);
213 TextOutW(hdc, 10, 30, L"Reversed (example):", 19);
214 TextOutW(hdc, 200, 30, szReversedString, 14);
215
216 TextOutW(hdc, 10, 50, L"String with NULL LpkETO call (not reversed):", 44);
217 LpkExtTextOut(hdc, 10, 70, 0, NULL, szString, Len, NULL, 0);
218
219 TextOutW(hdc, 10, 90, L"String with ETO_IGNORELANGUAGE LpkETO call (not reversed):", 58);
220 LpkExtTextOut(hdc, 10, 110, ETO_IGNORELANGUAGE, NULL, szString, Len, NULL, 0);
221
222 TextOutW(hdc, 10, 130, L"String with GCP_REORDER and ETO_GLYPH_INDEX LpkGCP call (not reversed):", 71);
223 LpkGetCharacterPlacement(hdc, szString, Len, 0, &Results, GCP_REORDER, 0);
224 LpkExtTextOut(hdc, 10, 150, ETO_GLYPH_INDEX, NULL, Glyphs, Results.nGlyphs, NULL, 0);
225 TextOutW(hdc, 10, 170, L"String with GCP_REORDER and ETO_IGNORELANGUAGE LpkGCP call (not reversed, lpOutString):", 87);
226 ExtTextOutW(hdc, 10, 190, ETO_IGNORELANGUAGE, NULL, OutString, Results.nGlyphs, NULL);
227
228 TextOutW(hdc, 10, 210, L"String without GCP_REORDER and ETO_GLYPH_INDEX LpkGCP call (reversed):", 70);
229 LpkGetCharacterPlacement(hdc, szString, Len, 0, &Results, 0, 0);
230 LpkExtTextOut(hdc, 10, 230, ETO_GLYPH_INDEX, NULL, Glyphs, Results.nGlyphs, NULL, 0);
231 TextOutW(hdc, 10, 250, L"String without GCP_REORDER and ETO_IGNORELANGUAGE LpkGCP call (reversed, lpOutString):", 86);
232 ExtTextOutW(hdc, 10, 270, ETO_IGNORELANGUAGE, NULL, OutString, Len, NULL);
233
234 TextOutW(hdc, 10, 290, L"String with ETO_IGNORELANGUAGE ETO call (reversed, not Lpk direct call!):", 73);
235 ExtTextOutW(hdc, 10, 310, ETO_IGNORELANGUAGE, NULL, szString, Len, NULL);
236
237 TextOutW(hdc, 10, 330, L"String with ETO_RTLREADING LpkETO call (slight order change)", 60);
238 LpkExtTextOut(hdc, 10, 350, ETO_RTLREADING, NULL, szString, Len, NULL, 0);
239
240 TextOutW(hdc, 10, 370, L"String with ETO_RTLREADING ETO call (slight order change)", 57);
241 ExtTextOutW(hdc, 10, 390, ETO_RTLREADING, NULL, szString, Len, NULL);
242
243 GetCharacterPlacementW(hdc, szString, Len, 0, &Results, GCP_REORDER);
244 TextOutW(hdc, 10, 410, L"Glyph positions with GCP_REORDER flag", 37);
245
246 /* Prints per column the location of the character in the string, reordered location, its position and the character itself */
247 for (i = 0, xpos = 10; i < Len; i++, xpos += 30)
248 {
249 StringCchPrintfW(tempString, 20, L"%d", i);
250 tempLength = lstrlenW(tempString);
251 TextOutW(hdc, xpos, 430, tempString, tempLength);
252
253 StringCchPrintfW(tempString, 20, L"%d", lpOrder[i]);
254 tempLength = lstrlenW(tempString);
255 TextOutW(hdc, xpos, 450, tempString, tempLength);
256
257 StringCchPrintfW(tempString, 20, L"%d", lpCaretPos[i]);
258 tempLength = lstrlenW(tempString);
259 TextOutW(hdc, xpos, 470, tempString, tempLength);
260
261 TextOutW(hdc, xpos, 490, &szString[i], 1);
262 }
263 TextOutW(hdc, xpos, 430, L"Character location", 18);
264 TextOutW(hdc, xpos, 450, L"lpOrder[i]", 10);
265 TextOutW(hdc, xpos, 470, L"lpCaretPos[i]", 13);
266 TextOutW(hdc, xpos, 490, L"String[i]", 9);
267
268 GetCharacterPlacementW(hdc, szString, Len, 0, &Results, 0);
269 TextOutW(hdc, 10, 510, L"Glyph positions without GCP_REORDER flag", 40);
270
271 for (i = 0, xpos = 10; i < Len; i++, xpos += 30)
272 {
273 StringCchPrintfW(tempString, 20, L"%d", i);
274 tempLength = lstrlenW(tempString);
275 TextOutW(hdc, xpos, 530, tempString, tempLength);
276
277 StringCchPrintfW(tempString, 20, L"%d", lpOrder[i]);
278 tempLength = lstrlenW(tempString);
279 TextOutW(hdc, xpos, 550, tempString, tempLength);
280
281 StringCchPrintfW(tempString, 20, L"%d", lpCaretPos[i]);
282 tempLength = lstrlenW(tempString);
283 TextOutW(hdc, xpos, 570, tempString, tempLength);
284
285 TextOutW(hdc, xpos, 590, &szString[i], 1);
286 }
287 TextOutW(hdc, xpos, 530, L"Character location", 18);
288 TextOutW(hdc, xpos, 550, L"lpOrder[i]", 10);
289 TextOutW(hdc, xpos, 570, L"lpCaretPos[i]", 13);
290 TextOutW(hdc, xpos, 590, L"String[i]", 9);
291
292 EndPaint(hWnd, &ps);
293 break;
294 }
295
296 case WM_DESTROY:
297 {
299 return 0;
300 }
301 }
302
304}
305
306/* Register a class for our main window */
308{
309 WNDCLASSEX wc;
310
311 /* Class for our main window */
312 wc.cbSize = sizeof(wc);
313 wc.style = 0;
315 wc.cbClsExtra = 0;
316 wc.cbWndExtra = 0;
321 wc.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
325
326 return (RegisterClassEx(&wc)) ? TRUE : FALSE;
327}
328
329/* Create an instance of our main window */
331{
332 /* Create instance of main window */
335
336 if (hWnd)
337 {
338 /* Add "about" to the system menu */
339 HMENU hSysMenu = GetSystemMenu(hWnd, FALSE);
340 InsertMenu(hSysMenu, 5, MF_BYPOSITION | MF_SEPARATOR, 0, NULL);
341 InsertMenu(hSysMenu, 6, MF_BYPOSITION, ID_HELP_ABOUT, TEXT("About"));
342 }
343
344 return hWnd;
345}
#define msg(x)
Definition: auth_time.c:54
HWND hWnd
Definition: settings.c:17
#define IDI_APPICON
Definition: resource.h:166
#define IDR_MAINMENU
Definition: resource.h:40
#define ID_HELP_ABOUT
Definition: resource.h:75
#define ID_FILE_EXIT
Definition: resource.h:46
void ShowAboutDialog(HWND owner)
Definition: biditext.c:110
int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpszCmdLine, int nCmdShow)
Definition: biditext.c:27
LRESULT CALLBACK MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
Definition: biditext.c:119
INT_PTR CALLBACK AboutDialogProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
Definition: biditext.c:80
BOOL RegisterMainWindowClass()
Definition: biditext.c:307
HWND CreateMainWindow()
Definition: biditext.c:330
HINSTANCE g_hInstance
Definition: biditext.c:23
static LPCTSTR MainWndClass
Definition: biditext.c:116
#define IDD_ABOUTDIALOG
Definition: biditext.h:29
HINSTANCE hInstance
Definition: charmap.c:19
WPARAM wParam
Definition: combotst.c:138
LPARAM lParam
Definition: combotst.c:139
BOOL WINAPI InitCommonControlsEx(const INITCOMMONCONTROLSEX *lpInitCtrls)
Definition: commctrl.c:893
#define Len
Definition: deflate.h:82
#define NULL
Definition: types.h:112
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
static WCHAR unknown[MAX_STRING_RESOURCE_LEN]
Definition: object.c:1605
#define CALLBACK
Definition: compat.h:35
#define lstrlenW
Definition: compat.h:750
#define IDR_ACCELERATOR
Definition: resource.h:103
unsigned int BOOL
Definition: ntddk_ex.h:94
unsigned long DWORD
Definition: ntddk_ex.h:95
unsigned short WORD
Definition: ntddk_ex.h:93
LPKGCP LpkGetCharacterPlacement
Definition: utils.c:6
LPKETO LpkExtTextOut
Definition: utils.c:5
GLint GLint GLint GLint GLint x
Definition: gl.h:1548
GLint GLint GLint GLint GLint GLint y
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
Definition: glfuncs.h:248
#define TEXT(s)
Definition: k32.h:26
@ HET
Definition: kbdheb.c:77
@ YUD
Definition: kbdheb.c:79
@ VAV
Definition: kbdheb.c:75
@ ZAYIN
Definition: kbdheb.c:76
@ DALET
Definition: kbdheb.c:73
@ TET
Definition: kbdheb.c:78
@ BET
Definition: kbdheb.c:71
@ HEY
Definition: kbdheb.c:74
@ ALEF
Definition: kbdheb.c:70
@ GIMEL
Definition: kbdheb.c:72
HDC hdc
Definition: main.c:9
static HDC
Definition: imagelist.c:92
static HICON
Definition: imagelist.c:84
static const CLSID *static CLSID *static const GUID VARIANT VARIANT *static IServiceProvider DWORD *static HMENU
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unsigned int UINT
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#define L(x)
Definition: ntvdm.h:50
#define LOWORD(l)
Definition: pedump.c:82
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Definition: pedump.c:637
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Definition: commctrl.h:66
#define DefWindowProc
Definition: ros2win.h:31
STRSAFEAPI StringCchPrintfW(STRSAFE_LPWSTR pszDest, size_t cchDest, STRSAFE_LPCWSTR pszFormat,...)
Definition: strsafe.h:530
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Definition: winuser.h:3203
HINSTANCE hInstance
Definition: winuser.h:3205
HCURSOR hCursor
Definition: winuser.h:3207
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Definition: winuser.h:3209
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Definition: winuser.h:3211
UINT style
Definition: winuser.h:3201
int cbWndExtra
Definition: winuser.h:3204
UINT cbSize
Definition: winuser.h:3200
WNDPROC lpfnWndProc
Definition: winuser.h:3202
LPCSTR lpszClassName
Definition: winuser.h:3210
HICON hIcon
Definition: winuser.h:3206
HBRUSH hbrBackground
Definition: winuser.h:3208
INT * lpCaretPos
Definition: wingdi.h:2435
LPWSTR lpOutString
Definition: wingdi.h:2432
UINT * lpOrder
Definition: wingdi.h:2433
LPWSTR lpGlyphs
Definition: wingdi.h:2437
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Definition: wingdi.h:2431
POINT ptMinTrackSize
Definition: winuser.h:3629
long y
Definition: polytest.cpp:48
long x
Definition: polytest.cpp:48
TW_UINT32 TW_UINT16 TW_UINT16 MSG
Definition: twain.h:1829
int32_t INT_PTR
Definition: typedefs.h:64
int32_t INT
Definition: typedefs.h:58
_In_ PCCERT_CONTEXT _In_ DWORD dwFlags
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LONG_PTR LPARAM
Definition: windef.h:208
LONG_PTR LRESULT
Definition: windef.h:209
UINT_PTR WPARAM
Definition: windef.h:207
HICON HCURSOR
Definition: windef.h:299
#define WINAPI
Definition: msvc.h:6
DWORD WINAPI GetCharacterPlacementW(_In_ HDC hdc, _In_reads_(nCount) LPCWSTR lpString, _In_ int nCount, _In_ int nMexExtent, _Inout_ LPGCP_RESULTSW lpResults, _In_ DWORD dwFlags)
#define TRANSPARENT
Definition: wingdi.h:950
BOOL WINAPI ExtTextOutW(_In_ HDC hdc, _In_ int x, _In_ int y, _In_ UINT options, _In_opt_ const RECT *lprect, _In_reads_opt_(c) LPCWSTR lpString, _In_ UINT c, _In_reads_opt_(c) const INT *lpDx)
BOOL WINAPI TextOutW(_In_ HDC hdc, _In_ int x, _In_ int y, _In_reads_(c) LPCWSTR lpString, _In_ int c)
int WINAPI SetBkMode(_In_ HDC, _In_ int)
Definition: dc.c:1056
#define GCP_REORDER
Definition: wingdi.h:843
#define WM_PAINT
Definition: winuser.h:1619
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Definition: winuser.h:5754
#define WM_SYSCOMMAND
Definition: winuser.h:1740
BOOL WINAPI TranslateMessage(_In_ const MSG *)
BOOL WINAPI ShowWindow(_In_ HWND, _In_ int)
#define IDCANCEL
Definition: winuser.h:830
#define IMAGE_ICON
Definition: winuser.h:212
__analysis_noreturn void WINAPI PostQuitMessage(_In_ int)
#define WM_COMMAND
Definition: winuser.h:1739
#define IDC_ARROW
Definition: winuser.h:687
#define WM_INITDIALOG
Definition: winuser.h:1738
HMENU WINAPI GetSystemMenu(_In_ HWND, _In_ BOOL)
#define IDOK
Definition: winuser.h:829
#define MB_ICONERROR
Definition: winuser.h:786
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Definition: winuser.h:5789
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Definition: winuser.h:5836
#define WM_GETMINMAXINFO
Definition: winuser.h:1639
#define MF_SEPARATOR
Definition: winuser.h:137
BOOL WINAPI EndPaint(_In_ HWND, _In_ const PAINTSTRUCT *)
#define MF_BYPOSITION
Definition: winuser.h:203
BOOL WINAPI UpdateWindow(_In_ HWND)
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Definition: winuser.h:1099
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Definition: winuser.h:789
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Definition: winuser.h:225
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Definition: winuser.h:5814
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Definition: winuser.h:213
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Definition: winuser.h:4465
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Definition: winuser.h:5821
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Definition: winuser.h:1086
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Definition: winuser.h:5764
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Definition: winuser.h:771
HDC WINAPI BeginPaint(_In_ HWND, _Out_ LPPAINTSTRUCT)
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Definition: winuser.h:5859
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Definition: winuser.h:5802
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Definition: winuser.h:591
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Definition: winuser.h:5809
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Definition: winuser.h:5760
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__wchar_t WCHAR
Definition: xmlstorage.h:180
const CHAR * LPCTSTR
Definition: xmlstorage.h:193
CHAR * LPTSTR
Definition: xmlstorage.h:192
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Definition: xmlstorage.h:185