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No longer using explicit values for resource identification.
[wine/testsucceed.git] / programs / winhelp / winhelp.c
blob659b53533f8d621f0ff06150904dd76b251637d7
1 /*
2 * Help Viewer
3 *
4 * Copyright 1996 Ulrich Schmid <uschmid@mail.hh.provi.de>
5 * 2002 Sylvain Petreolle <spetreolle@yahoo.fr>
6 * 2002 Eric Pouech <eric.pouech@wanadoo.fr>
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23 #include <stdio.h>
24 #include <string.h>
25 #include "winbase.h"
26 #include "wingdi.h"
27 #include "windowsx.h"
28 #include "winhelp.h"
29 #include "winhelp_res.h"
30
31 #include "wine/debug.h"
32
33 WINE_DEFAULT_DEBUG_CHANNEL(winhelp);
34
35 static BOOL WINHELP_RegisterWinClasses(void);
36 static LRESULT CALLBACK WINHELP_MainWndProc(HWND, UINT, WPARAM, LPARAM);
37 static LRESULT CALLBACK WINHELP_TextWndProc(HWND, UINT, WPARAM, LPARAM);
38 static LRESULT CALLBACK WINHELP_ButtonBoxWndProc(HWND, UINT, WPARAM, LPARAM);
39 static void WINHELP_CheckPopup(UINT);
40 static BOOL WINHELP_SplitLines(HWND hWnd, LPSIZE);
41 static void WINHELP_InitFonts(HWND hWnd);
42 static void WINHELP_DeleteLines(WINHELP_WINDOW*);
43 static void WINHELP_DeleteWindow(WINHELP_WINDOW*);
44 static void WINHELP_SetupText(HWND hWnd);
45 static WINHELP_LINE_PART* WINHELP_IsOverLink(HWND hWnd, WPARAM wParam, LPARAM lParam);
46
47 WINHELP_GLOBALS Globals = {3, 0, 0, 0, 0, 0};
48
49 static BOOL MacroTest = FALSE;
50
51 /***********************************************************************
52 *
53 * WinMain
54 */
55 int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
56 {
57 MSG msg;
58 LONG lHash = 0;
59
60 Globals.hInstance = hInstance;
61
62 /* Get options */
63 while (*cmdline && (*cmdline == ' ' || *cmdline == '-'))
64 {
65 CHAR option;
66 LPCSTR topic_id;
67 if (*cmdline++ == ' ') continue;
68
69 option = *cmdline;
70 if (option) cmdline++;
71 while (*cmdline && *cmdline == ' ') cmdline++;
72 switch (option)
73 {
74 case 'i':
75 case 'I':
76 topic_id = cmdline;
77 while (*cmdline && *cmdline != ' ') cmdline++;
78 if (*cmdline) *cmdline++ = '\0';
79 lHash = HLPFILE_Hash(topic_id);
80 break;
81
82 case '3':
83 case '4':
84 Globals.wVersion = option - '0';
85 break;
86
87 case 't':
88 MacroTest = TRUE;
89 break;
90 }
91 }
92
93 /* Create primary window */
94 WINHELP_RegisterWinClasses();
95 WINHELP_CreateHelpWindowByHash(cmdline, lHash, "main", FALSE, NULL, NULL, show);
96
97 /* Message loop */
98 while (GetMessage(&msg, 0, 0, 0))
99 {
100 TranslateMessage(&msg);
101 DispatchMessage(&msg);
102 }
103 return 0;
104 }
105
106 /***********************************************************************
107 *
108 * RegisterWinClasses
109 */
110 static BOOL WINHELP_RegisterWinClasses(void)
111 {
112 WNDCLASS class_main, class_button_box, class_text, class_shadow;
113
114 class_main.style = CS_HREDRAW | CS_VREDRAW;
115 class_main.lpfnWndProc = WINHELP_MainWndProc;
116 class_main.cbClsExtra = 0;
117 class_main.cbWndExtra = sizeof(LONG);
118 class_main.hInstance = Globals.hInstance;
119 class_main.hIcon = LoadIcon(0, IDI_APPLICATION);
120 class_main.hCursor = LoadCursor(0, IDC_ARROW);
121 class_main.hbrBackground = GetStockObject(WHITE_BRUSH);
122 class_main.lpszMenuName = 0;
123 class_main.lpszClassName = MAIN_WIN_CLASS_NAME;
124
125 class_button_box = class_main;
126 class_button_box.lpfnWndProc = WINHELP_ButtonBoxWndProc;
127 class_button_box.hbrBackground = GetStockObject(GRAY_BRUSH);
128 class_button_box.lpszClassName = BUTTON_BOX_WIN_CLASS_NAME;
129
130 class_text = class_main;
131 class_text.lpfnWndProc = WINHELP_TextWndProc;
132 class_text.lpszClassName = TEXT_WIN_CLASS_NAME;
133
134 class_shadow = class_main;
135 class_shadow.lpfnWndProc = DefWindowProc;
136 class_shadow.hbrBackground = GetStockObject(GRAY_BRUSH);
137 class_shadow.lpszClassName = SHADOW_WIN_CLASS_NAME;
138
139 return (RegisterClass(&class_main) &&
140 RegisterClass(&class_button_box) &&
141 RegisterClass(&class_text) &&
142 RegisterClass(&class_shadow));
143 }
144
145 /***********************************************************************
146 *
147 * WINHELP_CreateHelpWindow
148 */
149
150 static BOOL WINHELP_CreateHelpWindow(HLPFILE_PAGE* page, LPCSTR lpszWindow,
151 BOOL bPopup, HWND hParentWnd, LPPOINT mouse, INT nCmdShow)
152 {
153 CHAR szCaption[MAX_STRING_LEN];
154 SIZE size = {CW_USEDEFAULT, 0/*CW_USEDEFAULT*/};
155 POINT origin = {240, 0};
156 LPSTR ptr;
157 WINHELP_WINDOW *win, *oldwin;
158 HLPFILE_MACRO *macro;
159 HWND hWnd;
160 BOOL bPrimary;
161
162 if (bPopup)
163 lpszWindow = NULL;
164 else if (!lpszWindow || !lpszWindow[0])
165 lpszWindow = Globals.active_win->lpszName;
166 bPrimary = lpszWindow && !lstrcmpi(lpszWindow, "main");
167
168 /* Calculate horizontal size and position of a popup window */
169 if (bPopup)
170 {
171 RECT parent_rect;
172 GetWindowRect(hParentWnd, &parent_rect);
173 size.cx = (parent_rect.right - parent_rect.left) / 2;
174 size.cy = 10; /* need a non null value, so that border are taken into account while computing */
175
176 origin = *mouse;
177 ClientToScreen(hParentWnd, &origin);
178 origin.x -= size.cx / 2;
179 origin.x = min(origin.x, GetSystemMetrics(SM_CXSCREEN) - size.cx);
180 origin.x = max(origin.x, 0);
181 }
182
183 /* Initialize WINHELP_WINDOW struct */
184 win = HeapAlloc(GetProcessHeap(), 0,
185 sizeof(WINHELP_WINDOW) + (lpszWindow ? strlen(lpszWindow) + 1 : 0));
186 if (!win) return FALSE;
187
188 win->next = Globals.win_list;
189 Globals.win_list = win;
190 if (lpszWindow)
191 {
192 ptr = (char*)win + sizeof(WINHELP_WINDOW);
193 lstrcpy(ptr, (LPSTR) lpszWindow);
194 win->lpszName = ptr;
195 }
196 else win->lpszName = NULL;
197
198 win->page = page;
199 win->first_button = 0;
200 win->first_line = 0;
201 win->hMainWnd = 0;
202 win->hButtonBoxWnd = 0;
203 win->hTextWnd = 0;
204 win->hShadowWnd = 0;
205
206 win->hArrowCur = LoadCursorA(0, IDC_ARROWA);
207 win->hHandCur = LoadCursorA(0, IDC_HANDA);
208
209 Globals.active_win = win;
210
211 /* Initialize default pushbuttons */
212 if (MacroTest && !bPopup)
213 MACRO_CreateButton("BTN_TEST", "&Test", "MacroTest");
214 if (bPrimary && page)
215 {
216 CHAR buffer[MAX_STRING_LEN];
217
218 LoadString(Globals.hInstance, STID_CONTENTS, buffer, sizeof(buffer));
219 MACRO_CreateButton("BTN_CONTENTS", buffer, "Contents()");
220 LoadString(Globals.hInstance, STID_SEARCH,buffer, sizeof(buffer));
221 MACRO_CreateButton("BTN_SEARCH", buffer, "Search()");
222 LoadString(Globals.hInstance, STID_BACK, buffer, sizeof(buffer));
223 MACRO_CreateButton("BTN_BACK", buffer, "Back()");
224 LoadString(Globals.hInstance, STID_HISTORY, buffer, sizeof(buffer));
225 MACRO_CreateButton("BTN_HISTORY", buffer, "History()");
226 LoadString(Globals.hInstance, STID_TOPICS, buffer, sizeof(buffer));
227 MACRO_CreateButton("BTN_TOPICS", buffer, "Finder()");
228 }
229
230 /* Initialize file specific pushbuttons */
231 if (!bPopup && page)
232 for (macro = page->file->first_macro; macro; macro = macro->next)
233 MACRO_ExecuteMacro(macro->lpszMacro);
234
235 /* Reuse existing window */
236 if (lpszWindow)
237 for (oldwin = win->next; oldwin; oldwin = oldwin->next)
238 if (oldwin->lpszName && !lstrcmpi(oldwin->lpszName, lpszWindow))
239 {
240 WINHELP_BUTTON *button;
241
242 win->hMainWnd = oldwin->hMainWnd;
243 win->hButtonBoxWnd = oldwin->hButtonBoxWnd;
244 win->hTextWnd = oldwin->hTextWnd;
245 oldwin->hMainWnd = oldwin->hButtonBoxWnd = oldwin->hTextWnd = 0;
246
247 SetWindowLong(win->hMainWnd, 0, (LONG) win);
248 SetWindowLong(win->hButtonBoxWnd, 0, (LONG) win);
249 SetWindowLong(win->hTextWnd, 0, (LONG) win);
250
251 WINHELP_InitFonts(win->hMainWnd);
252
253 if (page) {
254 SetWindowText(win->hMainWnd, page->file->lpszTitle);
255 }
256
257 WINHELP_SetupText(win->hTextWnd);
258 InvalidateRect(win->hTextWnd, NULL, TRUE);
259 SendMessage(win->hMainWnd, WM_USER, 0, 0);
260 UpdateWindow(win->hTextWnd);
261
262
263 for (button = oldwin->first_button; button; button = button->next)
264 DestroyWindow(button->hWnd);
265
266 WINHELP_DeleteWindow(oldwin);
267 return TRUE;
268 }
269
270 /* Create main Window */
271 if (!page) LoadString(Globals.hInstance, STID_WINE_HELP, szCaption, sizeof(szCaption));
272 hWnd = CreateWindow(bPopup ? TEXT_WIN_CLASS_NAME : MAIN_WIN_CLASS_NAME,
273 page ? page->file->lpszTitle : szCaption,
274 bPopup ? WS_POPUPWINDOW | WS_BORDER : WS_OVERLAPPEDWINDOW,
275 origin.x, origin.y, size.cx, size.cy,
276 0, bPrimary ? LoadMenu(Globals.hInstance, MAKEINTRESOURCE(MAIN_MENU)) : 0,
277 Globals.hInstance, win);
278
279 ShowWindow(hWnd, nCmdShow);
280 UpdateWindow(hWnd);
281
282 return TRUE;
283 }
284
285 /***********************************************************************
286 *
287 * WINHELP_CreateHelpWindowByPage
288 */
289 BOOL WINHELP_CreateHelpWindowByPage(HLPFILE_PAGE* page, LPCSTR lpszWindow,
290 BOOL bPopup, HWND hParentWnd, LPPOINT mouse, INT nCmdShow)
291 {
292 if (page) page->file->wRefCount++;
293 return WINHELP_CreateHelpWindow(page, lpszWindow, bPopup, hParentWnd, mouse, nCmdShow);
294 }
295
296 /***********************************************************************
297 *
298 * WINHELP_CreateHelpWindowByHash
299 */
300 BOOL WINHELP_CreateHelpWindowByHash(LPCSTR lpszFile, LONG lHash, LPCSTR lpszWindow,
301 BOOL bPopup, HWND hParentWnd, LPPOINT mouse, INT nCmdShow)
302 {
303 HLPFILE_PAGE* page;
304
305 /* Read help file */
306 if (lpszFile[0])
307 {
308 page = lHash ? HLPFILE_PageByHash(lpszFile, lHash) : HLPFILE_Contents(lpszFile);
309
310 /* Add Suffix `.hlp' */
311 if (!page && lstrcmpi(lpszFile + strlen(lpszFile) - 4, ".hlp"))
312 {
313 CHAR szFile_hlp[MAX_PATHNAME_LEN];
314
315 lstrcpyn(szFile_hlp, lpszFile, sizeof(szFile_hlp) - 4);
316 szFile_hlp[sizeof(szFile_hlp) - 5] = '\0';
317 lstrcat(szFile_hlp, ".hlp");
318
319 page = lHash ? HLPFILE_PageByHash(szFile_hlp, lHash) : HLPFILE_Contents(szFile_hlp);
320 if (!page)
321 {
322 WINHELP_MessageBoxIDS_s(STID_HLPFILE_ERROR_s, lpszFile, STID_WHERROR, MB_OK);
323 if (Globals.win_list) return FALSE;
324 }
325 }
326 }
327 else page = NULL;
328 return WINHELP_CreateHelpWindowByPage(page, lpszWindow, bPopup, hParentWnd, mouse, nCmdShow);
329 }
330
331 /***********************************************************************
332 *
333 * WINHELP_MainWndProc
334 */
335 static LRESULT CALLBACK WINHELP_MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
336 {
337 WINHELP_WINDOW *win;
338 WINHELP_BUTTON *button;
339 RECT rect, button_box_rect;
340 INT text_top;
341
342 WINHELP_CheckPopup(msg);
343
344 switch (msg)
345 {
346 case WM_NCCREATE:
347 win = (WINHELP_WINDOW*) ((LPCREATESTRUCT) lParam)->lpCreateParams;
348 SetWindowLong(hWnd, 0, (LONG) win);
349 win->hMainWnd = hWnd;
350 break;
351
352 case WM_CREATE:
353 win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
354
355 /* Create button box and text Window */
356 CreateWindow(BUTTON_BOX_WIN_CLASS_NAME, "", WS_CHILD | WS_VISIBLE,
357 0, 0, 0, 0, hWnd, 0, Globals.hInstance, win);
358
359 CreateWindow(TEXT_WIN_CLASS_NAME, "", WS_CHILD | WS_VISIBLE,
360 0, 0, 0, 0, hWnd, 0, Globals.hInstance, win);
361
362 /* Fall through */
363 case WM_USER:
364 case WM_WINDOWPOSCHANGED:
365 win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
366 GetClientRect(hWnd, &rect);
367
368 /* Update button box and text Window */
369 SetWindowPos(win->hButtonBoxWnd, HWND_TOP,
370 rect.left, rect.top,
371 rect.right - rect.left,
372 rect.bottom - rect.top, 0);
373
374 GetWindowRect(win->hButtonBoxWnd, &button_box_rect);
375 text_top = rect.top + button_box_rect.bottom - button_box_rect.top;
376
377 SetWindowPos(win->hTextWnd, HWND_TOP,
378 rect.left, text_top,
379 rect.right - rect.left,
380 rect.bottom - text_top, 0);
381
382 break;
383
384 case WM_COMMAND:
385 Globals.active_win = win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
386 switch (wParam)
387 {
388 /* Menu FILE */
389 case MNID_FILE_OPEN: MACRO_FileOpen(); break;
390 case MNID_FILE_PRINT: MACRO_Print(); break;
391 case MNID_FILE_SETUP: MACRO_PrinterSetup(); break;
392 case MNID_FILE_EXIT: MACRO_Exit(); break;
393
394 /* Menu EDIT */
395 case MNID_EDIT_COPYDLG: MACRO_CopyDialog(); break;
396 case MNID_EDIT_ANNOTATE:MACRO_Annotate(); break;
397
398 /* Menu Bookmark */
399 case MNID_BKMK_DEFINE: MACRO_BookmarkDefine(); break;
400
401 /* Menu Help */
402 case MNID_HELP_HELPON: MACRO_HelpOn(); break;
403 case MNID_HELP_HELPTOP: MACRO_HelpOnTop(); break;
404 case MNID_HELP_ABOUT: MACRO_About(); break;
405 case MNID_HELP_WINE: ShellAbout(hWnd, "WINE", "Help", 0); break;
406
407 default:
408 /* Buttons */
409 for (button = win->first_button; button; button = button->next)
410 if (wParam == button->wParam) break;
411 if (button)
412 MACRO_ExecuteMacro(button->lpszMacro);
413 else
414 WINHELP_MessageBoxIDS(STID_NOT_IMPLEMENTED, 0x121, MB_OK);
415 break;
416 }
417 break;
418 case WM_DESTROY:
419 if (Globals.hPopupWnd) DestroyWindow(Globals.hPopupWnd);
420 break;
421 }
422
423 return DefWindowProc(hWnd, msg, wParam, lParam);
424 }
425
426 /***********************************************************************
427 *
428 * WINHELP_ButtonBoxWndProc
429 */
430 static LRESULT CALLBACK WINHELP_ButtonBoxWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
431 {
432 WINDOWPOS *winpos;
433 WINHELP_WINDOW *win;
434 WINHELP_BUTTON *button;
435 SIZE button_size;
436 INT x, y;
437
438 WINHELP_CheckPopup(msg);
439
440 switch (msg)
441 {
442 case WM_NCCREATE:
443 win = (WINHELP_WINDOW*) ((LPCREATESTRUCT) lParam)->lpCreateParams;
444 SetWindowLong(hWnd, 0, (LONG) win);
445 win->hButtonBoxWnd = hWnd;
446 break;
447
448 case WM_WINDOWPOSCHANGING:
449 winpos = (WINDOWPOS*) lParam;
450 win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
451
452 /* Update buttons */
453 button_size.cx = 0;
454 button_size.cy = 0;
455 for (button = win->first_button; button; button = button->next)
456 {
457 HDC hDc;
458 SIZE textsize;
459 if (!button->hWnd)
460 button->hWnd = CreateWindow(STRING_BUTTON, (LPSTR) button->lpszName,
461 WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
462 0, 0, 0, 0,
463 hWnd, (HMENU) button->wParam,
464 Globals.hInstance, 0);
465 hDc = GetDC(button->hWnd);
466 GetTextExtentPoint(hDc, button->lpszName,
467 lstrlen(button->lpszName), &textsize);
468 ReleaseDC(button->hWnd, hDc);
469
470 button_size.cx = max(button_size.cx, textsize.cx + BUTTON_CX);
471 button_size.cy = max(button_size.cy, textsize.cy + BUTTON_CY);
472 }
473
474 x = 0;
475 y = 0;
476 for (button = win->first_button; button; button = button->next)
477 {
478 SetWindowPos(button->hWnd, HWND_TOP, x, y, button_size.cx, button_size.cy, 0);
479
480 if (x + 2 * button_size.cx <= winpos->cx)
481 x += button_size.cx;
482 else
483 x = 0, y += button_size.cy;
484 }
485 winpos->cy = y + (x ? button_size.cy : 0);
486 break;
487
488 case WM_COMMAND:
489 SendMessage(GetParent(hWnd), msg, wParam, lParam);
490 break;
491 }
492
493 return DefWindowProc(hWnd, msg, wParam, lParam);
494 }
495
496 /***********************************************************************
497 *
498 * WINHELP_TextWndProc
499 */
500 static LRESULT CALLBACK WINHELP_TextWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
501 {
502 WINHELP_WINDOW *win;
503 WINHELP_LINE *line;
504 WINHELP_LINE_PART *part;
505 WINDOWPOS *winpos;
506 PAINTSTRUCT ps;
507 HDC hDc;
508 POINT mouse;
509 INT scroll_pos;
510 HWND hPopupWnd;
511 BOOL bExit;
512
513 if (msg != WM_LBUTTONDOWN)
514 WINHELP_CheckPopup(msg);
515
516 switch (msg)
517 {
518 case WM_NCCREATE:
519 win = (WINHELP_WINDOW*) ((LPCREATESTRUCT) lParam)->lpCreateParams;
520 SetWindowLong(hWnd, 0, (LONG) win);
521 win->hTextWnd = hWnd;
522 if (!win->lpszName) Globals.hPopupWnd = win->hMainWnd = hWnd;
523 WINHELP_InitFonts(hWnd);
524 break;
525
526 case WM_CREATE:
527 win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
528
529 /* Calculate vertical size and position of a popup window */
530 if (!win->lpszName)
531 {
532 POINT origin;
533 RECT old_window_rect;
534 RECT old_client_rect;
535 SIZE old_window_size;
536 SIZE old_client_size;
537 SIZE new_client_size;
538 SIZE new_window_size;
539
540 GetWindowRect(hWnd, &old_window_rect);
541 origin.x = old_window_rect.left;
542 origin.y = old_window_rect.top;
543 old_window_size.cx = old_window_rect.right - old_window_rect.left;
544 old_window_size.cy = old_window_rect.bottom - old_window_rect.top;
545
546 GetClientRect(hWnd, &old_client_rect);
547 old_client_size.cx = old_client_rect.right - old_client_rect.left;
548 old_client_size.cy = old_client_rect.bottom - old_client_rect.top;
549
550 new_client_size = old_client_size;
551 WINHELP_SplitLines(hWnd, &new_client_size);
552
553 if (origin.y + POPUP_YDISTANCE + new_client_size.cy <= GetSystemMetrics(SM_CYSCREEN))
554 origin.y += POPUP_YDISTANCE;
555 else
556 origin.y -= POPUP_YDISTANCE + new_client_size.cy;
557
558 new_window_size.cx = old_window_size.cx - old_client_size.cx + new_client_size.cx;
559 new_window_size.cy = old_window_size.cy - old_client_size.cy + new_client_size.cy;
560
561 win->hShadowWnd =
562 CreateWindow(SHADOW_WIN_CLASS_NAME, "", WS_POPUP,
563 origin.x + SHADOW_DX, origin.y + SHADOW_DY,
564 new_window_size.cx, new_window_size.cy,
565 0, 0, Globals.hInstance, 0);
566
567 SetWindowPos(hWnd, HWND_TOP, origin.x, origin.y,
568 new_window_size.cx, new_window_size.cy,
569 0);
570 SetWindowPos(win->hShadowWnd, hWnd, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
571 ShowWindow(win->hShadowWnd, SW_NORMAL);
572 SetActiveWindow(hWnd);
573 }
574 break;
575
576 case WM_WINDOWPOSCHANGED:
577 winpos = (WINDOWPOS*) lParam;
578
579 if (!(winpos->flags & SWP_NOSIZE)) WINHELP_SetupText(hWnd);
580 break;
581
582 case WM_VSCROLL:
583 {
584 BOOL update = TRUE;
585 RECT rect;
586 INT Min, Max;
587 INT CurPos = GetScrollPos(hWnd, SB_VERT);
588 GetScrollRange(hWnd, SB_VERT, &Min, &Max);
589 GetClientRect(hWnd, &rect);
590
591 switch (wParam & 0xffff)
592 {
593 case SB_THUMBTRACK:
594 case SB_THUMBPOSITION: CurPos = wParam >> 16; break;
595 case SB_TOP: CurPos = Min; break;
596 case SB_BOTTOM: CurPos = Max; break;
597 case SB_PAGEUP: CurPos -= (rect.bottom - rect.top) / 2; break;
598 case SB_PAGEDOWN: CurPos += (rect.bottom - rect.top) / 2; break;
599 case SB_LINEUP: CurPos -= GetSystemMetrics(SM_CXVSCROLL); break;
600 case SB_LINEDOWN: CurPos += GetSystemMetrics(SM_CXVSCROLL); break;
601 default: update = FALSE;
602 }
603 if (update)
604 {
605 INT dy = GetScrollPos(hWnd, SB_VERT) - CurPos;
606 SetScrollPos(hWnd, SB_VERT, CurPos, TRUE);
607 ScrollWindow(hWnd, 0, dy, NULL, NULL);
608 UpdateWindow(hWnd);
609 }
610 }
611 break;
612
613 case WM_PAINT:
614 hDc = BeginPaint(hWnd, &ps);
615 win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
616 scroll_pos = GetScrollPos(hWnd, SB_VERT);
617
618 for (line = win->first_line; line; line = line->next)
619 {
620 for (part = &line->first_part; part; part = part->next)
621 {
622 switch (part->cookie)
623 {
624 case hlp_line_part_text:
625 SelectObject(hDc, part->u.text.hFont);
626 SetTextColor(hDc, part->u.text.color);
627 TextOut(hDc, part->rect.left, part->rect.top - scroll_pos,
628 part->u.text.lpsText, part->u.text.wTextLen);
629 if (part->u.text.wUnderline)
630 {
631 HPEN hPen;
632
633 switch (part->u.text.wUnderline)
634 {
635 case 1: /* simple */
636 case 2: /* double */
637 hPen = CreatePen(PS_SOLID, 1, part->u.text.color);
638 break;
639 case 3: /* dotted */
640 hPen = CreatePen(PS_DOT, 1, part->u.text.color);
641 break;
642 default:
643 WINE_FIXME("Unknow underline type\n");
644 continue;
645 }
646
647 SelectObject(hDc, hPen);
648 MoveToEx(hDc, part->rect.left, part->rect.bottom - scroll_pos - 1, NULL);
649 LineTo(hDc, part->rect.right, part->rect.bottom - scroll_pos - 1);
650 if (part->u.text.wUnderline == 2)
651 {
652 MoveToEx(hDc, part->rect.left, part->rect.bottom - scroll_pos + 1, NULL);
653 LineTo(hDc, part->rect.right, part->rect.bottom - scroll_pos + 1);
654 }
655 DeleteObject(hPen);
656 }
657 break;
658 case hlp_line_part_image:
659 {
660 HDC hMemDC;
661
662 hMemDC = CreateCompatibleDC(hDc);
663 SelectObject(hMemDC, part->u.image.hBitmap);
664 BitBlt(hDc, part->rect.left, part->rect.top - scroll_pos,
665 part->rect.right - part->rect.left, part->rect.bottom - part->rect.top,
666 hMemDC, 0, 0, SRCCOPY);
667 DeleteDC(hMemDC);
668 }
669 break;
670 }
671 }
672 }
673
674 EndPaint(hWnd, &ps);
675 break;
676
677 case WM_MOUSEMOVE:
678 win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
679
680 if (WINHELP_IsOverLink(hWnd, wParam, lParam))
681 SetCursor(win->hHandCur); /* set to hand pointer cursor to indicate a link */
682 else
683 SetCursor(win->hArrowCur); /* set to hand pointer cursor to indicate a link */
684
685 break;
686
687 case WM_LBUTTONDOWN:
688 win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
689
690 hPopupWnd = Globals.hPopupWnd;
691 Globals.hPopupWnd = 0;
692
693 part = WINHELP_IsOverLink(hWnd, wParam, lParam);
694 if (part)
695 {
696 mouse.x = LOWORD(lParam);
697 mouse.y = HIWORD(lParam);
698
699 switch (part->link.cookie)
700 {
701 case hlp_link_none:
702 break;
703 case hlp_link_link:
704 WINHELP_CreateHelpWindowByHash(part->link.lpszString, part->link.lHash, NULL,
705 FALSE, hWnd, &mouse, SW_NORMAL);
706 break;
707 case hlp_link_popup:
708 WINHELP_CreateHelpWindowByHash(part->link.lpszString, part->link.lHash, NULL,
709 TRUE, hWnd, &mouse, SW_NORMAL);
710 break;
711 case hlp_link_macro:
712 MACRO_ExecuteMacro(part->link.lpszString);
713 break;
714 default:
715 WINE_FIXME("Unknown link cookie %d\n", part->link.cookie);
716 }
717 }
718
719 if (hPopupWnd)
720 DestroyWindow(hPopupWnd);
721 break;
722
723 case WM_NCDESTROY:
724 win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
725
726 if (hWnd == Globals.hPopupWnd) Globals.hPopupWnd = 0;
727 if (win->hShadowWnd) DestroyWindow(win->hShadowWnd);
728
729 bExit = (Globals.wVersion >= 4 && !lstrcmpi(win->lpszName, "main"));
730
731 WINHELP_DeleteWindow(win);
732
733 if (bExit) MACRO_Exit();
734
735 if (!Globals.win_list)
736 PostQuitMessage(0);
737 break;
738 }
739
740 return DefWindowProc(hWnd, msg, wParam, lParam);
741 }
742
743 /***********************************************************************
744 *
745 * SetupText
746 */
747 static void WINHELP_SetupText(HWND hWnd)
748 {
749 HDC hDc = GetDC(hWnd);
750 RECT rect;
751 SIZE newsize;
752
753 ShowScrollBar(hWnd, SB_VERT, FALSE);
754 if (!WINHELP_SplitLines(hWnd, NULL))
755 {
756 ShowScrollBar(hWnd, SB_VERT, TRUE);
757 GetClientRect(hWnd, &rect);
758
759 WINHELP_SplitLines(hWnd, &newsize);
760 SetScrollRange(hWnd, SB_VERT, 0, rect.top + newsize.cy - rect.bottom, TRUE);
761 }
762 else SetScrollPos(hWnd, SB_VERT, 0, FALSE);
763
764 ReleaseDC(hWnd, hDc);
765 }
766
767 /***********************************************************************
768 *
769 * WINHELP_AppendText
770 */
771 static BOOL WINHELP_AppendText(WINHELP_LINE ***linep, WINHELP_LINE_PART ***partp,
772 LPSIZE space, LPSIZE textsize,
773 INT *line_ascent, INT ascent,
774 LPCSTR text, UINT textlen,
775 HFONT font, COLORREF color, HLPFILE_LINK *link,
776 unsigned underline)
777 {
778 WINHELP_LINE *line;
779 WINHELP_LINE_PART *part;
780 LPSTR ptr;
781
782 if (!*partp) /* New line */
783 {
784 *line_ascent = ascent;
785
786 line = HeapAlloc(GetProcessHeap(), 0,
787 sizeof(WINHELP_LINE) + textlen + (link ? lstrlen(link->lpszString) + 1 : 0));
788 if (!line) return FALSE;
789
790 line->next = 0;
791 part = &line->first_part;
792 ptr = (char*)line + sizeof(WINHELP_LINE);
793
794 line->rect.top = (**linep ? (**linep)->rect.bottom : 0) + space->cy;
795 line->rect.bottom = line->rect.top;
796 line->rect.left = space->cx;
797 line->rect.right = space->cx;
798
799 if (**linep) *linep = &(**linep)->next;
800 **linep = line;
801 space->cy = 0;
802 }
803 else /* Same line */
804 {
805 line = **linep;
806
807 if (*line_ascent < ascent)
808 {
809 WINHELP_LINE_PART *p;
810 for (p = &line->first_part; p; p = p->next)
811 {
812 p->rect.top += ascent - *line_ascent;
813 p->rect.bottom += ascent - *line_ascent;
814 }
815 line->rect.bottom += ascent - *line_ascent;
816 *line_ascent = ascent;
817 }
818
819 part = HeapAlloc(GetProcessHeap(), 0,
820 sizeof(WINHELP_LINE_PART) + textlen +
821 (link ? lstrlen(link->lpszString) + 1 : 0));
822 if (!part) return FALSE;
823 **partp = part;
824 ptr = (char*)part + sizeof(WINHELP_LINE_PART);
825 }
826
827 memcpy(ptr, text, textlen);
828 part->cookie = hlp_line_part_text;
829 part->rect.left = line->rect.right + (*partp ? space->cx : 0);
830 part->rect.right = part->rect.left + textsize->cx;
831 line->rect.right = part->rect.right;
832 part->rect.top =
833 ((*partp) ? line->rect.top : line->rect.bottom) + *line_ascent - ascent;
834 part->rect.bottom = part->rect.top + textsize->cy;
835 line->rect.bottom = max(line->rect.bottom, part->rect.bottom);
836 part->u.text.lpsText = ptr;
837 part->u.text.wTextLen = textlen;
838 part->u.text.hFont = font;
839 part->u.text.color = color;
840 part->u.text.wUnderline = underline;
841
842 WINE_TRACE("Appended text '%*.*s'[%d] @ (%d,%d-%d,%d)\n",
843 part->u.text.wTextLen,
844 part->u.text.wTextLen,
845 part->u.text.lpsText,
846 part->u.text.wTextLen,
847 part->rect.left, part->rect.top, part->rect.right, part->rect.bottom);
848 if (link)
849 {
850 strcpy(ptr + textlen, link->lpszString);
851 part->link.lpszString = ptr + textlen;
852 part->link.cookie = link->cookie;
853 part->link.lHash = link->lHash;
854 part->link.bClrChange = link->bClrChange;
855 }
856 else part->link.cookie = hlp_link_none;
857
858 part->next = 0;
859 *partp = &part->next;
860
861 space->cx = 0;
862
863 return TRUE;
864 }
865
866 /***********************************************************************
867 *
868 * WINHELP_AppendBitmap
869 */
870 static BOOL WINHELP_AppendBitmap(WINHELP_LINE ***linep, WINHELP_LINE_PART ***partp,
871 LPSIZE space,
872 HBITMAP hBmp, LPSIZE bmpSize,
873 HLPFILE_LINK *link, unsigned pos)
874 {
875 WINHELP_LINE *line;
876 WINHELP_LINE_PART *part;
877 LPSTR ptr;
878
879 if (!*partp || pos == 1) /* New line */
880 {
881 line = HeapAlloc(GetProcessHeap(), 0,
882 sizeof(WINHELP_LINE) + (link ? lstrlen(link->lpszString) + 1 : 0));
883 if (!line) return FALSE;
884
885 line->next = NULL;
886 part = &line->first_part;
887
888 line->rect.top = (**linep ? (**linep)->rect.bottom : 0) + space->cy;
889 line->rect.bottom = line->rect.top;
890 line->rect.left = space->cx;
891 line->rect.right = space->cx;
892
893 if (**linep) *linep = &(**linep)->next;
894 **linep = line;
895 space->cy = 0;
896 ptr = (char*)line + sizeof(WINHELP_LINE);
897 }
898 else /* Same line */
899 {
900 if (pos == 2) WINE_FIXME("Left alignment not handled\n");
901 line = **linep;
902
903 part = HeapAlloc(GetProcessHeap(), 0,
904 sizeof(WINHELP_LINE_PART) +
905 (link ? lstrlen(link->lpszString) + 1 : 0));
906 if (!part) return FALSE;
907 **partp = part;
908 ptr = (char*)part + sizeof(WINHELP_LINE_PART);
909 }
910
911 part->cookie = hlp_line_part_image;
912 part->rect.left = line->rect.right + (*partp ? space->cx : 0);
913 part->rect.right = part->rect.left + bmpSize->cx;
914 line->rect.right = part->rect.right;
915 part->rect.top =
916 ((*partp) ? line->rect.top : line->rect.bottom);
917 part->rect.bottom = part->rect.top + bmpSize->cy;
918 line->rect.bottom = max(line->rect.bottom, part->rect.bottom);
919 part->u.image.hBitmap = hBmp;
920
921 WINE_TRACE("Appended bitmap '%d' @ (%d,%d-%d,%d)\n",
922 (unsigned)part->u.image.hBitmap,
923 part->rect.left, part->rect.top, part->rect.right, part->rect.bottom);
924
925 if (link)
926 {
927 strcpy(ptr, link->lpszString);
928 part->link.lpszString = ptr;
929 part->link.cookie = link->cookie;
930 part->link.lHash = link->lHash;
931 part->link.bClrChange = link->bClrChange;
932 }
933 else part->link.cookie = hlp_link_none;
934
935 part->next = NULL;
936 *partp = &part->next;
937
938 space->cx = 0;
939
940 return TRUE;
941 }
942
943
944 /***********************************************************************
945 *
946 * WINHELP_SplitLines
947 */
948 static BOOL WINHELP_SplitLines(HWND hWnd, LPSIZE newsize)
949 {
950 WINHELP_WINDOW *win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
951 HLPFILE_PARAGRAPH *p;
952 WINHELP_LINE **line = &win->first_line;
953 WINHELP_LINE_PART **part = 0;
954 INT line_ascent = 0;
955 SIZE space;
956 RECT rect;
957 HDC hDc;
958
959 if (newsize) newsize->cx = newsize->cy = 0;
960
961 if (!win->page) return TRUE;
962
963 WINHELP_DeleteLines(win);
964
965 GetClientRect(hWnd, &rect);
966
967 rect.top += INTERNAL_BORDER_WIDTH;
968 rect.left += INTERNAL_BORDER_WIDTH;
969 rect.right -= INTERNAL_BORDER_WIDTH;
970 rect.bottom -= INTERNAL_BORDER_WIDTH;
971
972 space.cy = rect.top;
973 space.cx = rect.left;
974
975 hDc = GetDC(hWnd);
976
977 for (p = win->page->first_paragraph; p; p = p->next)
978 {
979 switch (p->cookie)
980 {
981 case para_normal_text:
982 case para_debug_text:
983 {
984 TEXTMETRIC tm;
985 SIZE textsize = {0, 0};
986 LPCSTR text = p->u.text.lpszText;
987 UINT indent = 0;
988 UINT len = strlen(text);
989 unsigned underline = 0;
990
991 HFONT hFont = 0;
992 COLORREF color = RGB(0, 0, 0);
993
994 if (p->u.text.wFont < win->page->file->numFonts)
995 {
996 HLPFILE* hlpfile = win->page->file;
997
998 if (!hlpfile->fonts[p->u.text.wFont].hFont)
999 hlpfile->fonts[p->u.text.wFont].hFont = CreateFontIndirect(&hlpfile->fonts[p->u.text.wFont].LogFont);
1000 hFont = hlpfile->fonts[p->u.text.wFont].hFont;
1001 color = hlpfile->fonts[p->u.text.wFont].color;
1002 }
1003 else
1004 {
1005 UINT wFont = (p->u.text.wFont < win->fonts_len) ? p->u.text.wFont : 0;
1006
1007 hFont = win->fonts[wFont];
1008 }
1009
1010 if (p->link)
1011 {
1012 underline = (p->link->cookie == hlp_link_popup) ? 3 : 1;
1013 color = RGB(0, 0x80, 0);
1014 }
1015 if (p->cookie == para_debug_text) color = RGB(0xff, 0, 0);
1016
1017 SelectObject(hDc, hFont);
1018
1019 GetTextMetrics(hDc, &tm);
1020
1021 if (p->u.text.wIndent)
1022 {
1023 indent = p->u.text.wIndent * 5 * tm.tmAveCharWidth;
1024 if (!part)
1025 space.cx = rect.left + indent - 2 * tm.tmAveCharWidth;
1026 }
1027
1028 if (p->u.text.wVSpace)
1029 {
1030 part = 0;
1031 space.cx = rect.left + indent;
1032 space.cy += (p->u.text.wVSpace - 1) * tm.tmHeight;
1033 }
1034
1035 if (p->u.text.wHSpace)
1036 {
1037 space.cx += p->u.text.wHSpace * 2 * tm.tmAveCharWidth;
1038 }
1039
1040 WINE_TRACE("splitting text %s\n", text);
1041
1042 while (len)
1043 {
1044 INT free_width = rect.right - (part ? (*line)->rect.right : rect.left) - space.cx;
1045 UINT low = 0, curr = len, high = len, textlen = 0;
1046
1047 if (free_width > 0)
1048 {
1049 while (1)
1050 {
1051 GetTextExtentPoint(hDc, text, curr, &textsize);
1052
1053 if (textsize.cx <= free_width) low = curr;
1054 else high = curr;
1055
1056 if (high <= low + 1) break;
1057
1058 if (textsize.cx) curr = (curr * free_width) / textsize.cx;
1059 if (curr <= low) curr = low + 1;
1060 else if (curr >= high) curr = high - 1;
1061 }
1062 textlen = low;
1063 while (textlen && text[textlen] && text[textlen] != ' ') textlen--;
1064 }
1065 if (!part && !textlen) textlen = max(low, 1);
1066
1067 if (free_width <= 0 || !textlen)
1068 {
1069 part = 0;
1070 space.cx = rect.left + indent;
1071 space.cx = min(space.cx, rect.right - rect.left - 1);
1072 continue;
1073 }
1074
1075 WINE_TRACE("\t => %d %*s\n", textlen, textlen, text);
1076
1077 if (!WINHELP_AppendText(&line, &part, &space, &textsize,
1078 &line_ascent, tm.tmAscent,
1079 text, textlen, hFont, color, p->link, underline) ||
1080 (!newsize && (*line)->rect.bottom > rect.bottom))
1081 {
1082 ReleaseDC(hWnd, hDc);
1083 return FALSE;
1084 }
1085
1086 if (newsize)
1087 newsize->cx = max(newsize->cx, (*line)->rect.right + INTERNAL_BORDER_WIDTH);
1088
1089 len -= textlen;
1090 text += textlen;
1091 if (text[0] == ' ') text++, len--;
1092 }
1093 }
1094 break;
1095 case para_image:
1096 {
1097 DIBSECTION dibs;
1098 SIZE bmpSize;
1099 INT free_width;
1100
1101 if (p->u.image.pos & 0x8000)
1102 {
1103 space.cx = rect.left;
1104 if (*line)
1105 space.cy += (*line)->rect.bottom - (*line)->rect.top;
1106 part = 0;
1107 }
1108
1109 GetObject(p->u.image.hBitmap, sizeof(dibs), &dibs);
1110 bmpSize.cx = dibs.dsBm.bmWidth;
1111 bmpSize.cy = dibs.dsBm.bmHeight;
1112
1113 free_width = rect.right - ((part && *line) ? (*line)->rect.right : rect.left) - space.cx;
1114 if (free_width <= 0)
1115 {
1116 part = NULL;
1117 space.cx = rect.left;
1118 space.cx = min(space.cx, rect.right - rect.left - 1);
1119 }
1120 if (!WINHELP_AppendBitmap(&line, &part, &space,
1121 p->u.image.hBitmap, &bmpSize,
1122 p->link, p->u.image.pos) ||
1123 (!newsize && (*line)->rect.bottom > rect.bottom))
1124 {
1125 return FALSE;
1126 }
1127 }
1128 break;
1129 }
1130
1131 }
1132
1133 if (newsize)
1134 newsize->cy = (*line)->rect.bottom + INTERNAL_BORDER_WIDTH;
1135
1136 ReleaseDC(hWnd, hDc);
1137 return TRUE;
1138 }
1139
1140 /***********************************************************************
1141 *
1142 * WINHELP_CheckPopup
1143 */
1144 static void WINHELP_CheckPopup(UINT msg)
1145 {
1146 if (!Globals.hPopupWnd) return;
1147
1148 switch (msg)
1149 {
1150 case WM_COMMAND:
1151 case WM_LBUTTONDOWN:
1152 case WM_MBUTTONDOWN:
1153 case WM_RBUTTONDOWN:
1154 case WM_NCLBUTTONDOWN:
1155 case WM_NCMBUTTONDOWN:
1156 case WM_NCRBUTTONDOWN:
1157 DestroyWindow(Globals.hPopupWnd);
1158 Globals.hPopupWnd = 0;
1159 }
1160 }
1161
1162 /***********************************************************************
1163 *
1164 * WINHELP_DeleteLines
1165 */
1166 static void WINHELP_DeleteLines(WINHELP_WINDOW *win)
1167 {
1168 WINHELP_LINE *line, *next_line;
1169 WINHELP_LINE_PART *part, *next_part;
1170 for (line = win->first_line; line; line = next_line)
1171 {
1172 next_line = line->next;
1173 for (part = &line->first_part; part; part = next_part)
1174 {
1175 next_part = part->next;
1176 HeapFree(GetProcessHeap(), 0, part);
1177 }
1178 }
1179 win->first_line = 0;
1180 }
1181
1182 /***********************************************************************
1183 *
1184 * WINHELP_DeleteWindow
1185 */
1186 static void WINHELP_DeleteWindow(WINHELP_WINDOW *win)
1187 {
1188 WINHELP_WINDOW **w;
1189
1190 for (w = &Globals.win_list; *w; w = &(*w)->next)
1191 if (*w == win)
1192 {
1193 *w = win->next;
1194 break;
1195 }
1196
1197 if (win->hShadowWnd) DestroyWindow(win->hShadowWnd);
1198 HLPFILE_FreeHlpFilePage(win->page);
1199 WINHELP_DeleteLines(win);
1200 HeapFree(GetProcessHeap(), 0, win);
1201 }
1202
1203 /***********************************************************************
1204 *
1205 * WINHELP_InitFonts
1206 */
1207 static void WINHELP_InitFonts(HWND hWnd)
1208 {
1209 WINHELP_WINDOW *win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
1210 LOGFONT logfontlist[] = {
1211 {-10, 0, 0, 0, 400, 0, 0, 0, 0, 0, 0, 0, 32, "Helv"},
1212 {-12, 0, 0, 0, 700, 0, 0, 0, 0, 0, 0, 0, 32, "Helv"},
1213 {-12, 0, 0, 0, 700, 0, 0, 0, 0, 0, 0, 0, 32, "Helv"},
1214 {-12, 0, 0, 0, 400, 0, 0, 0, 0, 0, 0, 0, 32, "Helv"},
1215 {-12, 0, 0, 0, 700, 0, 0, 0, 0, 0, 0, 0, 32, "Helv"},
1216 {-10, 0, 0, 0, 700, 0, 0, 0, 0, 0, 0, 0, 32, "Helv"},
1217 { -8, 0, 0, 0, 400, 0, 0, 0, 0, 0, 0, 0, 32, "Helv"}};
1218 #define FONTS_LEN (sizeof(logfontlist)/sizeof(*logfontlist))
1219
1220 static HFONT fonts[FONTS_LEN];
1221 static BOOL init = 0;
1222
1223 win->fonts_len = FONTS_LEN;
1224 win->fonts = fonts;
1225
1226 if (!init)
1227 {
1228 INT i;
1229
1230 for(i = 0; i < FONTS_LEN; i++)
1231 {
1232 fonts[i] = CreateFontIndirect(&logfontlist[i]);
1233 }
1234
1235 init = 1;
1236 }
1237 }
1238
1239 /***********************************************************************
1240 *
1241 * WINHELP_MessageBoxIDS
1242 */
1243 INT WINHELP_MessageBoxIDS(UINT ids_text, UINT ids_title, WORD type)
1244 {
1245 CHAR text[MAX_STRING_LEN];
1246 CHAR title[MAX_STRING_LEN];
1247
1248 LoadString(Globals.hInstance, ids_text, text, sizeof(text));
1249 LoadString(Globals.hInstance, ids_title, title, sizeof(title));
1250
1251 return MessageBox(0, text, title, type);
1252 }
1253
1254 /***********************************************************************
1255 *
1256 * MAIN_MessageBoxIDS_s
1257 */
1258 INT WINHELP_MessageBoxIDS_s(UINT ids_text, LPCSTR str, UINT ids_title, WORD type)
1259 {
1260 CHAR text[MAX_STRING_LEN];
1261 CHAR title[MAX_STRING_LEN];
1262 CHAR newtext[MAX_STRING_LEN + MAX_PATHNAME_LEN];
1263
1264 LoadString(Globals.hInstance, ids_text, text, sizeof(text));
1265 LoadString(Globals.hInstance, ids_title, title, sizeof(title));
1266 wsprintf(newtext, text, str);
1267
1268 return MessageBox(0, newtext, title, type);
1269 }
1270
1271 /******************************************************************
1272 * WINHELP_IsOverLink
1273 *
1274 *
1275 */
1276 WINHELP_LINE_PART* WINHELP_IsOverLink(HWND hWnd, WPARAM wParam, LPARAM lParam)
1277 {
1278 WINHELP_WINDOW* win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
1279 POINT mouse;
1280 WINHELP_LINE *line;
1281 WINHELP_LINE_PART *part;
1282 int scroll_pos = GetScrollPos(hWnd, SB_VERT);
1283
1284 mouse.x = LOWORD(lParam);
1285 mouse.y = HIWORD(lParam);
1286 for (line = win->first_line; line; line = line->next)
1287 {
1288 for (part = &line->first_part; part; part = part->next)
1289 {
1290 if (part->link.cookie != hlp_link_none &&
1291 part->link.lpszString &&
1292 part->rect.left <= mouse.x &&
1293 part->rect.right >= mouse.x &&
1294 part->rect.top <= mouse.y + scroll_pos &&
1295 part->rect.bottom >= mouse.y + scroll_pos)
1296 {
1297 return part;
1298 }
1299 }
1300 }
1301
1302 return NULL;
1303 }
Quick hack tree for wine patches julliard doesn't want to commit