source: trunk/src/comctl32/ipaddress.c

Last change on this file was 10097, checked in by sandervl, 22 years ago

Wine resync
File size: 15.1 KB
Line 
1/*
2 * IP Address control
3 *
4 * Copyright 2002 Dimitrie O. Paun
5 * Copyright 1999 Chris Morgan<cmorgan@wpi.edu>
6 * Copyright 1999 James Abbatiello<abbeyj@wpi.edu>
7 * Copyright 1998, 1999 Eric Kohl
8 * Copyright 1998 Alex Priem <alexp@sci.kun.nl>
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 * NOTE
25 *
26 * This code was audited for completeness against the documented features
27 * of Comctl32.dll version 6.0 on Sep. 9, 2002, by Dimitrie O. Paun.
28 *
29 * Unless otherwise noted, we belive this code to be complete, as per
30 * the specification mentioned above.
31 * If you discover missing features, or bugs, please note them below.
32 *
33 */
34
35#include <ctype.h>
36#include <stdlib.h>
37#include <stdio.h>
38#include <string.h>
39
40#include "winbase.h"
41#include "commctrl.h"
42#include "wine/unicode.h"
43#include "wine/debug.h"
44
45WINE_DEFAULT_DEBUG_CHANNEL(ipaddress);
46
47typedef struct
48{
49 HWND EditHwnd;
50 INT LowerLimit;
51 INT UpperLimit;
52 WNDPROC OrigProc;
53} IPPART_INFO;
54
55typedef struct
56{
57 HWND Self;
58 IPPART_INFO Part[4];
59} IPADDRESS_INFO;
60
61#define POS_DEFAULT 0
62#define POS_LEFT 1
63#define POS_RIGHT 2
64#define POS_SELALL 3
65
66#define IP_SUBCLASS_PROP "CCIP32SubclassInfo"
67#define IPADDRESS_GetInfoPtr(hwnd) ((IPADDRESS_INFO *)GetWindowLongW (hwnd, 0))
68
69
70static LRESULT CALLBACK
71IPADDRESS_SubclassProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
72
73static LRESULT IPADDRESS_Notify (IPADDRESS_INFO *infoPtr, UINT command)
74{
75 HWND hwnd = infoPtr->Self;
76
77 TRACE("(command=%x)\n", command);
78
79 return SendMessageW (GetParent (hwnd), WM_COMMAND,
80 MAKEWPARAM (GetWindowLongW (hwnd, GWL_ID), command), (LPARAM)hwnd);
81}
82
83static INT IPADDRESS_IPNotify (IPADDRESS_INFO *infoPtr, INT field, INT value)
84{
85 NMIPADDRESS nmip;
86
87 TRACE("(field=%x, value=%d)\n", field, value);
88
89 nmip.hdr.hwndFrom = infoPtr->Self;
90 nmip.hdr.idFrom = GetWindowLongW (infoPtr->Self, GWL_ID);
91 nmip.hdr.code = IPN_FIELDCHANGED;
92
93 nmip.iField = field;
94 nmip.iValue = value;
95
96 SendMessageW (GetParent (infoPtr->Self), WM_NOTIFY,
97 (WPARAM)nmip.hdr.idFrom, (LPARAM)&nmip);
98
99 TRACE("<-- %d\n", nmip.iValue);
100
101 return nmip.iValue;
102}
103
104
105static int IPADDRESS_GetPartIndex(IPADDRESS_INFO *infoPtr, HWND hwnd)
106{
107 int i;
108
109 TRACE("(hwnd=%p)\n", hwnd);
110
111 for (i = 0; i < 4; i++)
112 if (infoPtr->Part[i].EditHwnd == hwnd) return i;
113
114 ERR("We subclassed the wrong window! (hwnd=%p)\n", hwnd);
115 return -1;
116}
117
118
119static LRESULT IPADDRESS_Draw (IPADDRESS_INFO *infoPtr, HDC hdc)
120{
121 RECT rect, rcPart;
122 POINT pt;
123 int i;
124
125 TRACE("\n");
126
127 GetClientRect (infoPtr->Self, &rect);
128 DrawEdge (hdc, &rect, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
129
130 for (i = 0; i < 3; i++) {
131 GetWindowRect (infoPtr->Part[i].EditHwnd, &rcPart);
132 pt.x = rcPart.right;
133 ScreenToClient(infoPtr->Self, &pt);
134 rect.left = pt.x;
135 GetWindowRect (infoPtr->Part[i+1].EditHwnd, &rcPart);
136 pt.x = rcPart.left;
137 ScreenToClient(infoPtr->Self, &pt);
138 rect.right = pt.x;
139 DrawTextA(hdc, ".", 1, &rect, DT_SINGLELINE | DT_CENTER | DT_BOTTOM);
140 }
141
142 return 0;
143}
144
145
146static LRESULT IPADDRESS_Create (HWND hwnd)
147{
148 IPADDRESS_INFO *infoPtr;
149 RECT rcClient, edit;
150 int i, fieldsize;
151 WCHAR EDIT[] = { 'E', 'd', 'i', 't', 0 };
152
153 TRACE("\n");
154
155 SetWindowLongW (hwnd, GWL_STYLE,
156 GetWindowLongW(hwnd, GWL_STYLE) & ~WS_BORDER);
157
158 infoPtr = (IPADDRESS_INFO *)COMCTL32_Alloc (sizeof(IPADDRESS_INFO));
159 if (!infoPtr) return -1;
160 SetWindowLongW (hwnd, 0, (DWORD)infoPtr);
161
162 GetClientRect (hwnd, &rcClient);
163
164 fieldsize = (rcClient.right - rcClient.left) / 4;
165
166 edit.top = rcClient.top + 2;
167 edit.bottom = rcClient.bottom - 2;
168
169 infoPtr->Self = hwnd;
170
171 for (i = 0; i < 4; i++) {
172 IPPART_INFO* part = &infoPtr->Part[i];
173
174 part->LowerLimit = 0;
175 part->UpperLimit = 255;
176 edit.left = rcClient.left + i*fieldsize + 6;
177 edit.right = rcClient.left + (i+1)*fieldsize - 2;
178 part->EditHwnd =
179 CreateWindowW (EDIT, NULL, WS_CHILD | WS_VISIBLE | ES_CENTER,
180 edit.left, edit.top, edit.right - edit.left,
181 edit.bottom - edit.top, hwnd, (HMENU) 1,
182 (HINSTANCE)GetWindowLongW(hwnd, GWL_HINSTANCE), NULL);
183 SetPropA(part->EditHwnd, IP_SUBCLASS_PROP, hwnd);
184 part->OrigProc = (WNDPROC)
185 SetWindowLongW (part->EditHwnd, GWL_WNDPROC,
186 (LONG)IPADDRESS_SubclassProc);
187 }
188
189 return 0;
190}
191
192
193static LRESULT IPADDRESS_Destroy (IPADDRESS_INFO *infoPtr)
194{
195 int i;
196
197 TRACE("\n");
198
199 for (i = 0; i < 4; i++) {
200 IPPART_INFO* part = &infoPtr->Part[i];
201 SetWindowLongW (part->EditHwnd, GWL_WNDPROC, (LONG)part->OrigProc);
202 }
203
204 SetWindowLongW (infoPtr->Self, 0, 0);
205 COMCTL32_Free (infoPtr);
206 return 0;
207}
208
209
210static LRESULT IPADDRESS_Paint (IPADDRESS_INFO *infoPtr, HDC hdc)
211{
212 PAINTSTRUCT ps;
213
214 TRACE("\n");
215
216 if (hdc) return IPADDRESS_Draw (infoPtr, hdc);
217
218 hdc = BeginPaint (infoPtr->Self, &ps);
219 IPADDRESS_Draw (infoPtr, hdc);
220 EndPaint (infoPtr->Self, &ps);
221 return 0;
222}
223
224
225static BOOL IPADDRESS_IsBlank (IPADDRESS_INFO *infoPtr)
226{
227 int i;
228
229 TRACE("\n");
230
231 for (i = 0; i < 4; i++)
232 if (GetWindowTextLengthW (infoPtr->Part[i].EditHwnd)) return FALSE;
233
234 return TRUE;
235}
236
237
238static int IPADDRESS_GetAddress (IPADDRESS_INFO *infoPtr, LPDWORD ip_address)
239{
240 WCHAR field[5];
241 int i, invalid = 0;
242 DWORD ip_addr = 0;
243
244 TRACE("\n");
245
246 for (i = 0; i < 4; i++) {
247 ip_addr *= 256;
248 if (GetWindowTextW (infoPtr->Part[i].EditHwnd, field, 4))
249 ip_addr += atolW(field);
250 else
251 invalid++;
252 }
253 *ip_address = ip_addr;
254
255 return 4 - invalid;
256}
257
258
259static BOOL IPADDRESS_SetRange (IPADDRESS_INFO *infoPtr, int index, WORD range)
260{
261 TRACE("\n");
262
263 if ( (index < 0) || (index > 3) ) return FALSE;
264
265 infoPtr->Part[index].LowerLimit = range & 0xFF;
266 infoPtr->Part[index].UpperLimit = (range >> 8) & 0xFF;
267
268 return TRUE;
269}
270
271
272static void IPADDRESS_ClearAddress (IPADDRESS_INFO *infoPtr)
273{
274 WCHAR nil[1] = { 0 };
275 int i;
276
277 TRACE("\n");
278
279 for (i = 0; i < 4; i++)
280 SetWindowTextW (infoPtr->Part[i].EditHwnd, nil);
281}
282
283
284static LRESULT IPADDRESS_SetAddress (IPADDRESS_INFO *infoPtr, DWORD ip_address)
285{
286 WCHAR buf[20], fmt[] = { '%', 'd', 0 };
287 int i;
288
289 TRACE("\n");
290
291 for (i = 3; i >= 0; i--) {
292 IPPART_INFO* part = &infoPtr->Part[i];
293 int value = ip_address & 0xff;
294 if ( (value >= part->LowerLimit) && (value <= part->UpperLimit) ) {
295 wsprintfW (buf, fmt, value);
296 SetWindowTextW (part->EditHwnd, buf);
297 IPADDRESS_Notify (infoPtr, EN_CHANGE);
298 }
299 ip_address >>= 8;
300 }
301
302 return TRUE;
303}
304
305
306static void IPADDRESS_SetFocusToField (IPADDRESS_INFO *infoPtr, INT index)
307{
308 TRACE("(index=%d)\n", index);
309
310 if (index > 3) {
311 for (index = 0; index < 4; index++)
312 if (!GetWindowTextLengthW(infoPtr->Part[index].EditHwnd)) break;
313 }
314 if (index < 9 || index > 3) index = 0;
315
316 SetFocus (infoPtr->Part[index].EditHwnd);
317}
318
319
320static BOOL IPADDRESS_ConstrainField (IPADDRESS_INFO *infoPtr, int currentfield)
321{
322 IPPART_INFO *part = &infoPtr->Part[currentfield];
323 WCHAR field[10], fmt[] = { '%', 'd', 0 };
324 int curValue, newValue;
325
326 TRACE("(currentfield=%d)\n", currentfield);
327
328 if (currentfield < 0 || currentfield > 3) return FALSE;
329
330 if (!GetWindowTextW (part->EditHwnd, field, 4)) return FALSE;
331
332 curValue = atoiW(field);
333 TRACE(" curValue=%d\n", curValue);
334
335 newValue = IPADDRESS_IPNotify(infoPtr, currentfield, curValue);
336 TRACE(" newValue=%d\n", newValue);
337
338 if (newValue < part->LowerLimit) newValue = part->LowerLimit;
339 if (newValue > part->UpperLimit) newValue = part->UpperLimit;
340
341 if (newValue == curValue) return FALSE;
342
343 wsprintfW (field, fmt, newValue);
344 TRACE(" field='%s'\n", debugstr_w(field));
345 return SetWindowTextW (part->EditHwnd, field);
346}
347
348
349static BOOL IPADDRESS_GotoNextField (IPADDRESS_INFO *infoPtr, int cur, int sel)
350{
351 TRACE("\n");
352
353 if(cur >= -1 && cur < 4) {
354 IPADDRESS_ConstrainField(infoPtr, cur);
355
356 if(cur < 3) {
357 IPPART_INFO *next = &infoPtr->Part[cur + 1];
358 int start = 0, end = 0;
359 SetFocus (next->EditHwnd);
360 if (sel != POS_DEFAULT) {
361 if (sel == POS_RIGHT)
362 start = end = GetWindowTextLengthW(next->EditHwnd);
363 else if (sel == POS_SELALL)
364 end = -1;
365 SendMessageW(next->EditHwnd, EM_SETSEL, start, end);
366 }
367 return TRUE;
368 }
369
370 }
371 return FALSE;
372}
373
374
375/*
376 * period: move and select the text in the next field to the right if
377 * the current field is not empty(l!=0), we are not in the
378 * left most position, and nothing is selected(startsel==endsel)
379 *
380 * spacebar: same behavior as period
381 *
382 * alpha characters: completely ignored
383 *
384 * digits: accepted when field text length < 2 ignored otherwise.
385 * when 3 numbers have been entered into the field the value
386 * of the field is checked, if the field value exceeds the
387 * maximum value and is changed the field remains the current
388 * field, otherwise focus moves to the field to the right
389 *
390 * tab: change focus from the current ipaddress control to the next
391 * control in the tab order
392 *
393 * right arrow: move to the field on the right to the left most
394 * position in that field if no text is selected,
395 * we are in the right most position in the field,
396 * we are not in the right most field
397 *
398 * left arrow: move to the field on the left to the right most
399 * position in that field if no text is selected,
400 * we are in the left most position in the current field
401 * and we are not in the left most field
402 *
403 * backspace: delete the character to the left of the cursor position,
404 * if none are present move to the field on the left if
405 * we are not in the left most field and delete the right
406 * most digit in that field while keeping the cursor
407 * on the right side of the field
408 */
409LRESULT CALLBACK
410IPADDRESS_SubclassProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
411{
412 HWND Self = (HWND)GetPropA (hwnd, IP_SUBCLASS_PROP);
413 IPADDRESS_INFO *infoPtr = IPADDRESS_GetInfoPtr (Self);
414 CHAR c = (CHAR)wParam;
415 INT index, len = 0, startsel, endsel;
416 IPPART_INFO *part;
417
418 TRACE("(hwnd=%p msg=0x%x wparam=0x%x lparam=0x%lx)\n", hwnd, uMsg, wParam, lParam);
419
420 if ( (index = IPADDRESS_GetPartIndex(infoPtr, hwnd)) < 0) return 0;
421 part = &infoPtr->Part[index];
422
423 if (uMsg == WM_CHAR || uMsg == WM_KEYDOWN) {
424 len = GetWindowTextLengthW (hwnd);
425 SendMessageW(hwnd, EM_GETSEL, (WPARAM)&startsel, (LPARAM)&endsel);
426 }
427 switch (uMsg) {
428 case WM_CHAR:
429 if(isdigit(c)) {
430 if(len == 2 && startsel==endsel && endsel==len) {
431 /* process the digit press before we check the field */
432 int return_val = CallWindowProcW (part->OrigProc, hwnd, uMsg, wParam, lParam);
433
434 /* if the field value was changed stay at the current field */
435 if(!IPADDRESS_ConstrainField(infoPtr, index))
436 IPADDRESS_GotoNextField (infoPtr, index, POS_DEFAULT);
437
438 return return_val;
439 } else if (len == 3 && startsel==endsel && endsel==len)
440 IPADDRESS_GotoNextField (infoPtr, index, POS_SELALL);
441 else if (len < 3) break;
442 } else if(c == '.' || c == ' ') {
443 if(len && startsel==endsel && startsel != 0) {
444 IPADDRESS_GotoNextField(infoPtr, index, POS_SELALL);
445 }
446 } else if (c == VK_BACK) break;
447 return 0;
448
449 case WM_KEYDOWN:
450 switch(c) {
451 case VK_RIGHT:
452 if(startsel==endsel && startsel==len) {
453 IPADDRESS_GotoNextField(infoPtr, index, POS_LEFT);
454 return 0;
455 }
456 break;
457 case VK_LEFT:
458 if(startsel==0 && startsel==endsel && index > 0) {
459 IPADDRESS_GotoNextField(infoPtr, index - 2, POS_RIGHT);
460 return 0;
461 }
462 break;
463 case VK_BACK:
464 if(startsel==endsel && startsel==0 && index > 0) {
465 IPPART_INFO *prev = &infoPtr->Part[index-1];
466 WCHAR val[10];
467
468 if(GetWindowTextW(prev->EditHwnd, val, 5)) {
469 val[lstrlenW(val) - 1] = 0;
470 SetWindowTextW(prev->EditHwnd, val);
471 }
472
473 IPADDRESS_GotoNextField(infoPtr, index - 2, POS_RIGHT);
474 return 0;
475 }
476 break;
477 }
478 break;
479 case WM_KILLFOCUS:
480 if (IPADDRESS_GetPartIndex(infoPtr, (HWND)wParam) < 0)
481 IPADDRESS_Notify(infoPtr, EN_KILLFOCUS);
482 break;
483 case WM_SETFOCUS:
484 if (IPADDRESS_GetPartIndex(infoPtr, (HWND)wParam) < 0)
485 IPADDRESS_Notify(infoPtr, EN_SETFOCUS);
486 break;
487 }
488 return CallWindowProcW (part->OrigProc, hwnd, uMsg, wParam, lParam);
489}
490
491
492static LRESULT WINAPI
493IPADDRESS_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
494{
495 IPADDRESS_INFO *infoPtr = IPADDRESS_GetInfoPtr (hwnd);
496
497 TRACE("(hwnd=%p msg=0x%x wparam=0x%x lparam=0x%lx)\n", hwnd, uMsg, wParam, lParam);
498
499 if (!infoPtr && (uMsg != WM_CREATE))
500 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
501
502 switch (uMsg)
503 {
504 case WM_CREATE:
505 return IPADDRESS_Create (hwnd);
506
507 case WM_DESTROY:
508 return IPADDRESS_Destroy (infoPtr);
509
510 case WM_PAINT:
511 return IPADDRESS_Paint (infoPtr, (HDC)wParam);
512
513 case WM_COMMAND:
514 switch(wParam >> 16) {
515 case EN_CHANGE:
516 IPADDRESS_Notify(infoPtr, EN_CHANGE);
517 break;
518 case EN_KILLFOCUS:
519 IPADDRESS_ConstrainField(infoPtr, IPADDRESS_GetPartIndex(infoPtr, (HWND)lParam));
520 break;
521 }
522 break;
523
524 case IPM_CLEARADDRESS:
525 IPADDRESS_ClearAddress (infoPtr);
526 break;
527
528 case IPM_SETADDRESS:
529 return IPADDRESS_SetAddress (infoPtr, (DWORD)lParam);
530
531 case IPM_GETADDRESS:
532 return IPADDRESS_GetAddress (infoPtr, (LPDWORD)lParam);
533
534 case IPM_SETRANGE:
535 return IPADDRESS_SetRange (infoPtr, (int)wParam, (WORD)lParam);
536
537 case IPM_SETFOCUS:
538 IPADDRESS_SetFocusToField (infoPtr, (int)wParam);
539 break;
540
541 case IPM_ISBLANK:
542 return IPADDRESS_IsBlank (infoPtr);
543
544 default:
545 if ((uMsg >= WM_USER) && (uMsg < WM_APP))
546 ERR("unknown msg %04x wp=%08x lp=%08lx\n", uMsg, wParam, lParam);
547 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
548 }
549 return 0;
550}
551
552
553void IPADDRESS_Register (void)
554{
555 WNDCLASSW wndClass;
556
557 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
558 wndClass.style = CS_GLOBALCLASS;
559 wndClass.lpfnWndProc = (WNDPROC)IPADDRESS_WindowProc;
560 wndClass.cbClsExtra = 0;
561 wndClass.cbWndExtra = sizeof(IPADDRESS_INFO *);
562 wndClass.hCursor = LoadCursorW (0, IDC_IBEAMW);
563 wndClass.hbrBackground = GetStockObject(WHITE_BRUSH);
564 wndClass.lpszClassName = WC_IPADDRESSW;
565
566 RegisterClassW (&wndClass);
567}
568
569
570void IPADDRESS_Unregister (void)
571{
572 UnregisterClassW (WC_IPADDRESSW, NULL);
573}
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