source: 2.19_branch/Sibyl/RTL/PMHELP.PAS@ 376

Last change on this file since 376 was 8, checked in by RBRi, 19 years ago

+ rest of sibyl stuff
  • Property svn:eol-style set to native
File size: 22.7 KB
Line 
1UNIT PmHelp;
2
3{**************************************************************************
4 * Module Name: PMHELP.PAS *
5 * *
6 * OS/2 Presentation Manager Information Presentation Facility, *
7 * Help Manager declarations. *
8 * *
9 **************************************************************************}
10
11INTERFACE
12
13USES Os2Def,PmBitmap,PmWin;
14
15{**********************************************************************
16 HelpSubTable entry structure
17 **********************************************************************}
18TYPE
19 HELPSUBTABLE=USHORT;
20 PHELPSUBTABLE=^HELPSUBTABLE;
21
22 PHELPTABLE=^HELPTABLE;
23 HELPTABLE=RECORD {pack 2}
24 idAppWindow:USHORT;
25 phstHelpSubTable:PHELPSUBTABLE;
26 idExtPanel:USHORT;
27 END;
28
29{**********************************************************************}
30{ IPF Initialization Structure used on the }
31{ WinCreateHelpInstance() call. }
32{**********************************************************************}
33TYPE
34 PHELPINIT=^HELPINIT;
35 HELPINIT=RECORD
36 cb:ULONG;
37 ulReturnCode:ULONG;
38 pszTutorialName:PCHAR;
39 phtHelpTable:PHELPTABLE;
40 hmodHelpTableModule:HMODULE;
41 hmodAccelActionBarModule:HMODULE;
42 idAccelTable:ULONG;
43 idActionBar:ULONG;
44 pszHelpWindowTitle:PChar;
45 fShowPanelId:ULONG;
46 pszHelpLibraryName:PChar;
47 END;
48
49
50{**********************************************************************}
51{ Search parent chain indicator for HM_SET_ACTIVE_WINDOW message. }
52{**********************************************************************}
53CONST
54 HWND_PARENT =0;
55
56{**********************************************************************}
57{ Constants used to define whether user wants to display panel using }
58{ panel number or panel name. }
59{**********************************************************************}
60 HM_RESOURCEID =0;
61 HM_PANELNAME =1;
62
63 HMPANELTYPE_NUMBER =0;
64 HMPANELTYPE_NAME =1;
65
66{**********************************************************************}
67{ Constants used to define how the panel IDs are displayed on }
68{ help panels. }
69{**********************************************************************}
70 CMIC_HIDE_PANEL_ID =$0000;
71 CMIC_SHOW_PANEL_ID =$0001;
72 CMIC_TOGGLE_PANEL_ID =$0002;
73
74
75{**********************************************************************}
76{ IPF message base. }
77{**********************************************************************}
78 HM_MSG_BASE =$0220;
79
80 {**********************************************************************}
81 { Messages applications can send to the IPF. }
82 {**********************************************************************}
83 HM_DISMISS_WINDOW =HM_MSG_BASE+$0001;
84 HM_DISPLAY_HELP =HM_MSG_BASE+$0002;
85 HM_EXT_HELP =HM_MSG_BASE+$0003;
86 HM_GENERAL_HELP =HM_EXT_HELP;
87 HM_SET_ACTIVE_WINDOW =HM_MSG_BASE+$0004;
88 HM_LOAD_HELP_TABLE =HM_MSG_BASE+$0005;
89 HM_CREATE_HELP_TABLE =HM_MSG_BASE+$0006;
90 HM_SET_HELP_WINDOW_TITLE =HM_MSG_BASE+$0007;
91 HM_SET_SHOW_PANEL_ID =HM_MSG_BASE+$0008;
92 HM_REPLACE_HELP_FOR_HELP =HM_MSG_BASE+$0009;
93 HM_REPLACE_USING_HELP =HM_REPLACE_HELP_FOR_HELP;
94 HM_HELP_INDEX =HM_MSG_BASE+$000a;
95 HM_HELP_CONTENTS =HM_MSG_BASE+$000b;
96 HM_KEYS_HELP =HM_MSG_BASE+$000c;
97 HM_SET_HELP_LIBRARY_NAME =HM_MSG_BASE+$000d;
98
99 HM_SET_OBJCOM_WINDOW =HM_MSG_BASE+$0018;
100 HM_UPDATE_OBJCOM_WINDOW_CHAIN =HM_MSG_BASE+$0019;
101 HM_QUERY_DDF_DATA =HM_MSG_BASE+$001a;
102 HM_INVALIDATE_DDF_DATA =HM_MSG_BASE+$001b;
103 HM_QUERY =HM_MSG_BASE+$001c;
104 HM_SET_COVERPAGE_SIZE =HM_MSG_BASE+$001d;
105
106 {**********************************************************************}
107 { Constants used to query the info from IPF in HM_QUERY message }
108 {**********************************************************************}
109
110 { Hi word in lParam 1 }
111 HMQW_COVERPAGE =$0001;
112 HMQW_INDEX =$0002;
113 HMQW_TOC =$0003;
114 HMQW_SEARCH =$0004;
115 HMQW_VIEWPAGES =$0005;
116 HMQW_LIBRARY =$0006;
117 HMQW_VIEWPORT =$0007;
118 HMQW_OBJCOM_WINDOW =$0008;
119 HMQW_INSTANCE =$0009;
120 HMQW_ACTIVEVIEWPORT =$000a;
121 CONTROL_SELECTED =$000b;
122
123 HMQW_GROUP_VIEWPORT =$00f1;
124 HMQW_RES_VIEWPORT =$00f2;
125 USERDATA =$00f3;
126
127 { Lo word in lParam1 of HMQW_VIEWPORT }
128 HMQVP_NUMBER =$0001;
129 HMQVP_NAME =$0002;
130 HMQVP_GROUP =$0003;
131
132 {**********************************************************************}
133 { Predefined Control IDs }
134 {**********************************************************************}
135 CTRL_PREVIOUS_ID =$0001;
136 CTRL_SEARCH_ID =$0002;
137 CTRL_PRINT_ID =$0003;
138 CTRL_INDEX_ID =$0004;
139 CTRL_CONTENTS_ID =$0005;
140 CTRL_BACK_ID =$0006;
141 CTRL_FORWARD_ID =$0007;
142 CTRL_TUTORIAL_ID =$00FF;
143
144 CTRL_USER_ID_BASE =257;
145
146 {**********************************************************************}
147 { Messages the IPF sends to the applications active window }
148 { as defined by the IPF. }
149 {**********************************************************************}
150
151 HM_ERROR =HM_MSG_BASE+$000e;
152 HM_HELPSUBITEM_NOT_FOUND =HM_MSG_BASE+$000f;
153 HM_QUERY_KEYS_HELP =HM_MSG_BASE+$0010;
154 HM_TUTORIAL =HM_MSG_BASE+$0011;
155 HM_EXT_HELP_UNDEFINED =HM_MSG_BASE+$0012;
156 HM_GENERAL_HELP_UNDEFINED =HM_EXT_HELP_UNDEFINED;
157 HM_ACTIONBAR_COMMAND =HM_MSG_BASE+$0013;
158 HM_INFORM =HM_MSG_BASE+$0014;
159 HM_NOTIFY =HM_MSG_BASE+$0022;
160 HM_SET_USERDATA =HM_MSG_BASE+$0023;
161 HM_CONTROL =HM_MSG_BASE+$0024;
162
163 {**********************************************************************}
164 { notify information for HM_NOTIFY }
165 {**********************************************************************}
166 OPEN_COVERPAGE =$0001;
167 OPEN_PAGE =$0002;
168 SWAP_PAGE =$0003;
169 OPEN_TOC =$0004;
170 OPEN_INDEX =$0005;
171 OPEN_HISTORY =$0006;
172 OPEN_SEARCH_HIT_LIST =$0007;
173 OPEN_LIBRARY =$0008;
174 HELP_REQUESTED =$0009;
175
176 {**********************************************************************}
177 { HMERR_NO_FRAME_WND_IN_CHAIN - There is no frame window in the }
178 { window chain from which to find or set the associated help }
179 { instance. }
180 {**********************************************************************}
181 HMERR_NO_FRAME_WND_IN_CHAIN =$00001001;
182
183 {*********************************************************************}
184 { HMERR_INVALID_ASSOC_APP_WND - The application window handle }
185 { specified on the WinAssociateHelpInstance() call is not a valid }
186 { window handle. }
187 {*********************************************************************}
188 HMERR_INVALID_ASSOC_APP_WND =$00001002;
189
190 {*********************************************************************}
191 { HMERR_INVALID_ASSOC_HELP_INST - The help instance handle specified }
192 { on the WinAssociateHelpInstance() call is not a valid }
193 { window handle. }
194 {*********************************************************************}
195 HMERR_INVALID_ASSOC_HELP_INST =$00001003;
196
197 {*********************************************************************}
198 { HMERR_INVALID_DESTROY_HELP_INST - The window handle specified }
199 { as the help instance to destroy is not of the help instance class. }
200 {*********************************************************************}
201 HMERR_INVALID_DESTROY_HELP_INST =$00001004;
202
203 {*********************************************************************}
204 { HMERR_NO_HELP_INST_IN_CHAIN - The parent or owner chain of the }
205 { application window specified does not have a help instance }
206 { associated with it. }
207 {*********************************************************************}
208 HMERR_NO_HELP_INST_IN_CHAIN =$00001005;
209
210 {*********************************************************************}
211 { HMERR_INVALID_HELP_INSTANCE_HDL - The handle specified to be a }
212 { help instance does not have the class name of a IPF }
213 { help instance. }
214 {*********************************************************************}
215 HMERR_INVALID_HELP_INSTANCE_HDL =$00001006;
216
217 {*********************************************************************}
218 { HMERR_INVALID_QUERY_APP_WND - The application window specified on }
219 { a WinQueryHelpInstance() call is not a valid window handle. }
220 {*********************************************************************}
221 HMERR_INVALID_QUERY_APP_WND =$00001007;
222
223 {*********************************************************************}
224 { HMERR_HELP_INST_CALLED_INVALID - The handle of the help instance }
225 { specified on an API call to the IPF does not have the }
226 { class name of an IPF help instance. }
227 {*********************************************************************}
228 HMERR_HELP_INST_CALLED_INVALID =$00001008;
229
230 HMERR_HELPTABLE_UNDEFINE =$00001009;
231 HMERR_HELP_INSTANCE_UNDEFINE =$0000100a;
232 HMERR_HELPITEM_NOT_FOUND =$0000100b;
233 HMERR_INVALID_HELPSUBITEM_SIZE =$0000100c;
234 HMERR_HELPSUBITEM_NOT_FOUND =$0000100d;
235
236 {*********************************************************************}
237 { HMERR_INDEX_NOT_FOUND - No index in library file. }
238 {*********************************************************************}
239 HMERR_INDEX_NOT_FOUND =$00002001;
240
241 {*********************************************************************}
242 { HMERR_CONTENT_NOT_FOUND - Library file does not have any contents. }
243 {*********************************************************************}
244 HMERR_CONTENT_NOT_FOUND =$00002002;
245
246 {*********************************************************************}
247 { HMERR_OPEN_LIB_FILE - Cannot open library file }
248 {*********************************************************************}
249 HMERR_OPEN_LIB_FILE =$00002003;
250
251 {*********************************************************************}
252 { HMERR_READ_LIB_FILE - Cannot read library file }
253 {*********************************************************************}
254 HMERR_READ_LIB_FILE =$00002004;
255
256 {*********************************************************************}
257 { HMERR_CLOSE_LIB_FILE - Cannot close library file }
258 {*********************************************************************}
259 HMERR_CLOSE_LIB_FILE =$00002005;
260
261 {*********************************************************************}
262 { HMERR_INVALID_LIB_FILE - Improper library file provided }
263 {*********************************************************************}
264 HMERR_INVALID_LIB_FILE =$00002006;
265
266 {*********************************************************************}
267 { HMERR_NO_MEMORY - Unable to allocate the requested amount of memory.}
268 {*********************************************************************}
269 HMERR_NO_MEMORY =$00002007;
270
271 {*********************************************************************}
272 { HMERR_ALLOCATE_SEGMENT - Unable }
273 { to allocate a segment of memory for memory allocation requested }
274 { from the IPF. }
275 {*********************************************************************}
276 HMERR_ALLOCATE_SEGMENT =$00002008;
277
278 {*********************************************************************}
279 { HMERR_FREE_MEMORY - Unable to free allocated memory }
280 {*********************************************************************}
281 HMERR_FREE_MEMORY =$00002009;
282
283 {*********************************************************************}
284 { HMERR_PANEL_NOT_FOUND - Unable }
285 { to find a help panel requested to help manager }
286 {*********************************************************************}
287 HMERR_PANEL_NOT_FOUND =$00002010;
288
289 {*********************************************************************}
290 { HMERR_DATABASE_NOT_OPEN - Unable to read the unopened database }
291 {*********************************************************************}
292 HMERR_DATABASE_NOT_OPEN =$00002011;
293
294 {*********************************************************************}
295 { HMERR_DDL_ERROR - Unable to load resource dll }
296 {*********************************************************************}
297 HMERR_LOAD_DLL =$00002013;
298
299{*********************************************************************}
300{ AC Viewport stucture definitions }
301{*********************************************************************}
302TYPE
303 PACVP=^ACVP;
304 ACVP=RECORD
305 cb:ULONG;
306 hAB:HAB;
307 hmq:HMQ;
308 ObjectID:ULONG; { object identifier }
309 hWndParent:HWND; { IPF viewport client handle }
310 hWndOwner:HWND; { IPF viewport client handle }
311 hWndACVP:HWND; { applications frame window hwnd }
312 END;
313
314{*******************************************************************}
315{ Define Handle to DDF }
316{*******************************************************************}
317TYPE
318 HDDF=POINTER;
319
320{ DdfHyperText Flags }
321CONST
322 REFERENCE_BY_ID =0;
323 REFERENCE_BY_RES =1;
324
325{ DdfBeginList formatting flags }
326 HMBT_NONE =1;
327 HMBT_ALL =2;
328 HMBT_FIT =3;
329
330 HMLS_SINGLELINE =1;
331 HMLS_DOUBLELINE =2;
332
333{ DdfBitmap alignment flags }
334 ART_RUNIN =$10;
335 ART_LEFT =$01;
336 ART_RIGHT =$02;
337 ART_CENTER =$04;
338
339{ DdfSetColor Color Flag }
340 CLR_UNCHANGED =-6;
341
342{*******************************************************************}
343{ error codes returned by DDF API functions }
344{*******************************************************************}
345CONST
346 HMERR_DDF_MEMORY =$3001;
347 HMERR_DDF_ALIGN_TYPE =$3002;
348 HMERR_DDF_BACKCOLOR =$3003;
349 HMERR_DDF_FORECOLOR =$3004;
350 HMERR_DDF_FONTSTYLE =$3005;
351 HMERR_DDF_REFTYPE =$3006;
352 HMERR_DDF_LIST_UNCLOSED =$3007;
353 HMERR_DDF_LIST_UNINITIALIZED =$3008;
354 HMERR_DDF_LIST_BREAKTYPE =$3009;
355 HMERR_DDF_LIST_SPACING =$300A;
356 HMERR_DDF_HINSTANCE =$300B;
357 HMERR_DDF_EXCEED_MAX_LENGTH =$300C;
358 HMERR_DDF_EXCEED_MAX_INC =$300D;
359 HMERR_DDF_INVALID_DDF =$300E;
360 HMERR_DDF_FORMAT_TYPE =$300F;
361 HMERR_DDF_INVALID_PARM =$3010;
362 HMERR_DDF_INVALID_FONT =$3011;
363 HMERR_DDF_SEVERE =$3012;
364
365IMPORTS
366
367FUNCTION WinDestroyHelpInstance(hwndHelpInstance:HWND):BOOL;
368 APIENTRY; 'HELPMGR' index 52;
369FUNCTION WinCreateHelpInstance(ahab:HAB;
370 VAR phinitHMInitStructure:HELPINIT):HWND;
371 APIENTRY; 'HELPMGR' index 51;
372FUNCTION WinAssociateHelpInstance(hwndHelpInstance,hwndApp:HWND):BOOL;
373 APIENTRY; 'HELPMGR' index 54;
374FUNCTION WinQueryHelpInstance(hwndApp:HWND):HWND;
375 APIENTRY; 'HELPMGR' index 53;
376FUNCTION WinLoadHelpTable(hwndHelpInstance:HWND;idHelpTable:ULONG;
377 Module:HMODULE):BOOL;
378 APIENTRY; 'HELPMGR' index 55;
379FUNCTION WinCreateHelpTable(hwndHelpInstance:HWND;
380 VAR phtHelpTable:HELPTABLE):BOOL;
381 APIENTRY; 'HELPMGR' index 56;
382FUNCTION DdfInitialize(hwndHelpInstance:HWND;cbBuffer,
383 ulIncrement:ULONG):HDDF;
384 APIENTRY; 'HELPMGR' index 74;
385FUNCTION DdfPara (ahddf:HDDF):BOOL;
386 APIENTRY; 'HELPMGR' index 75;
387FUNCTION DdfSetFormat(ahddf:HDDF;fFormatType:ULONG):BOOL;
388 APIENTRY; 'HELPMGR' index 76;
389FUNCTION DdfSetTextAlign (ahddf:HDDF;fAlign:ULONG):BOOL;
390 APIENTRY; 'HELPMGR' index 77;
391FUNCTION DdfSetColor(ahddf:HDDF;fBackColor,fForColor:COLOR):BOOL;
392 APIENTRY; 'HELPMGR' index 78;
393FUNCTION DdfInform(ahddf:HDDF;VAR pszText:PSZ;resInformNumber:ULONG):BOOL;
394 APIENTRY; 'HELPMGR' index 79;
395FUNCTION DdfSetFontStyle(ahddf:HDDF;fFontStyle:ULONG):BOOL;
396 APIENTRY; 'HELPMGR' index 80;
397FUNCTION DdfHyperText(ahddf:HDDF;VAR pszText,pszReference:PSZ;
398 fReferenceType:ULONG):BOOL;
399 APIENTRY; 'HELPMGR' index 81;
400FUNCTION DdfBeginList(ahddf:HDDF;ulWidthDT,fBreakType,
401 fSpacing:ULONG):BOOL;
402 APIENTRY; 'HELPMGR' index 82;
403FUNCTION DdfListItem(ahddf:HDDF;VAR pszTerm,pszDescription:PSZ):BOOL;
404 APIENTRY; 'HELPMGR' index 83;
405FUNCTION DdfEndList(ahddf:HDDF):BOOL;
406 APIENTRY; 'HELPMGR' index 84;
407FUNCTION DdfMetafile(ahddf:HDDF;ahmf:HMF;VAR prclRect:RECTL):BOOL;
408 APIENTRY; 'HELPMGR' index 86;
409FUNCTION DdfText(ahddf:HDDF;VAR pszText:PSZ):BOOL;
410 APIENTRY; 'HELPMGR' index 85;
411FUNCTION DdfSetFont(ahddf:HDDF;VAR pszFaceName:PSZ;ulWidth,
412 ulHeight:ULONG):BOOL;
413 APIENTRY; 'HELPMGR' index 87;
414FUNCTION DdfBitmap(ahddf:HDDF;hbm:HBITMAP;fAlign:ULONG):BOOL;
415 APIENTRY; 'HELPMGR' index 88;
416
417END; {IMPORTS}
418
419{Help manager helpers}
420CONST HelpFilename:CSTRING='FILENAME.HLP';
421 HelpWindowTitle:CSTRING='šberschrift des Hypertext-Fensters';
422
423 fHelpEnabled:BOOL=FALSE;
424 hwndHelpInstance:HWND=0;
425 HELP_TABLE:LONGINT=0;
426
427FUNCTION InfoBox(st:STRING):LONGINT;
428PROCEDURE InitHelp (hwndClientFrame:HWND);
429PROCEDURE DestroyHelp;
430PROCEDURE SendHelpMessage (HelpMessage:LONG);
431PROCEDURE DisplayHelpPanel (PanelID:LONG);
432
433IMPLEMENTATION
434
435{Help manager helpers}
436
437FUNCTION InfoBox(st:STRING):LONGINT;
438BEGIN
439 result:=WinMessageBox (HWND_DESKTOP, HWND_DESKTOP, st,'', 0, MB_OK | MB_ERROR);
440END;
441
442/*wird vor die Hauptprogramm-Message-Schleife (while WinGetMsg...) gesetzt*/
443PROCEDURE InitHelp (hwndClientFrame:HWND);
444VAR
445 hini:HELPINIT;
446 /* If we return because of an error, Help will be disabled */
447BEGIN
448 fHelpEnabled := FALSE;
449 /* Initialize help init structure */
450 hini.cb := sizeof(HELPINIT);
451 hini.ulReturnCode := 0;
452 /* If tutorial added, add name here */
453 hini.pszTutorialName := NIL;
454 hini.phtHelpTable := PHELPTABLE(MAKELONG(HELP_TABLE, $FFFF));
455 hini.hmodHelpTableModule := 0;
456 hini.hmodAccelActionBarModule := 0;
457 hini.idAccelTable := 0;
458 hini.idActionBar := 0;
459 hini.pszHelpWindowTitle := @HelpWindowTitle;
460 hini.fShowPanelId := CMIC_HIDE_PANEL_ID;
461 hini.pszHelpLibraryName := @HelpFilename;
462 /* Creating help instance */
463 hwndHelpInstance := WinCreateHelpInstance(AppHandle,hini);
464 if ((hwndHelpInstance = 0 )OR(hini.ulReturnCode<>0)) THEN
465 BEGIN
466 InfoBox('Failed to load help manager.');
467 exit;
468 END;
469
470 /* Associate help instance with main frame */
471 if not WinAssociateHelpInstance(hwndHelpInstance, hwndClientFrame) THEN
472 BEGIN
473 InfoBox('Failed to load help manager.');
474 exit;
475 END;
476
477 /* Help manager is successfully initialized so set flag to TRUE */
478 fHelpEnabled := TRUE;
479END;
480
481/*wird hinter die Hauptprogramm-Message-Schleife gesetzt*/
482PROCEDURE DestroyHelp;
483BEGIN
484 IF hwndHelpInstance <> 0 THEN WinDestroyHelpInstance(hwndHelpInstance);
485END;
486
487 /*
488 einige m”gliche Parameter fr SendHelpMessage
489 HM_HELP_INDEX zeigt Index
490 HM_HELP_CONTENTS, zeigt Inhalt
491 HM_DISPLAY_HELP zeigt Hilfe fr Hilfefunktion (help for help)
492 */
493PROCEDURE SendHelpMessage (HelpMessage:LONG);
494BEGIN
495 if fHelpEnabled THEN
496 if WinSendMsg(hwndHelpInstance, HelpMessage, 0, 0)<>0
497 then InfoBox ('Failed to display help panel.');
498END;
499
500 /*
501 Parameter sind die Panel ID's, definiert ber die ID Punktbefehle
502 im MAKEIPF Quelltext
503 */
504PROCEDURE DisplayHelpPanel (PanelID:LONG);
505BEGIN
506 if fHelpEnabled then
507 if WinSendMsg(hwndHelpInstance, HM_DISPLAY_HELP,
508 MPFROMLONG(MAKELONG(PanelID, 0)),
509 MPFROMSHORT(HM_RESOURCEID))<>0
510 then InfoBox ('Failed to display help panel.');
511END;
512
513
514BEGIN
515END.
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