Mercurial > vim
annotate src/gui_beval.c @ 2251:646d34788036 vim73
Fix a few compiler warnings. Fix crash with encrypted undo file.
author | Bram Moolenaar <bram@vim.org> |
---|---|
date | Sun, 06 Jun 2010 14:20:26 +0200 |
parents | fc89a4f98a8b |
children | e4d849f4df03 |
rev | line source |
---|---|
7 | 1 /* vi:set ts=8 sts=4 sw=4: |
2 * | |
3 * VIM - Vi IMproved by Bram Moolenaar | |
4 * Visual Workshop integration by Gordon Prieur | |
5 * | |
6 * Do ":help uganda" in Vim to read copying and usage conditions. | |
7 * Do ":help credits" in Vim to see a list of people who contributed. | |
8 * See README.txt for an overview of the Vim source code. | |
9 */ | |
10 | |
11 #include "vim.h" | |
12 | |
13 #if defined(FEAT_BEVAL) || defined(PROTO) | |
14 | |
192 | 15 /* |
16 * Common code, invoked when the mouse is resting for a moment. | |
17 */ | |
18 void | |
19 general_beval_cb(beval, state) | |
20 BalloonEval *beval; | |
1887 | 21 int state UNUSED; |
192 | 22 { |
2251
646d34788036
Fix a few compiler warnings. Fix crash with encrypted undo file.
Bram Moolenaar <bram@vim.org>
parents:
1887
diff
changeset
|
23 #ifdef FEAT_EVAL |
192 | 24 win_T *wp; |
25 int col; | |
634 | 26 int use_sandbox; |
192 | 27 linenr_T lnum; |
28 char_u *text; | |
29 static char_u *result = NULL; | |
30 long winnr = 0; | |
791 | 31 char_u *bexpr; |
32 buf_T *save_curbuf; | |
2251
646d34788036
Fix a few compiler warnings. Fix crash with encrypted undo file.
Bram Moolenaar <bram@vim.org>
parents:
1887
diff
changeset
|
33 # ifdef FEAT_WINDOWS |
192 | 34 win_T *cw; |
2251
646d34788036
Fix a few compiler warnings. Fix crash with encrypted undo file.
Bram Moolenaar <bram@vim.org>
parents:
1887
diff
changeset
|
35 # endif |
640 | 36 #endif |
865 | 37 static int recursive = FALSE; |
192 | 38 |
39 /* Don't do anything when 'ballooneval' is off, messages scrolled the | |
40 * windows up or we have no beval area. */ | |
41 if (!p_beval || balloonEval == NULL || msg_scrolled > 0) | |
42 return; | |
43 | |
865 | 44 /* Don't do this recursively. Happens when the expression evaluation |
45 * takes a long time and invokes something that checks for CTRL-C typed. */ | |
46 if (recursive) | |
47 return; | |
48 recursive = TRUE; | |
49 | |
192 | 50 #ifdef FEAT_EVAL |
791 | 51 if (get_beval_info(balloonEval, TRUE, &wp, &lnum, &text, &col) == OK) |
192 | 52 { |
791 | 53 bexpr = (*wp->w_buffer->b_p_bexpr == NUL) ? p_bexpr |
54 : wp->w_buffer->b_p_bexpr; | |
55 if (*bexpr != NUL) | |
56 { | |
640 | 57 # ifdef FEAT_WINDOWS |
791 | 58 /* Convert window pointer to number. */ |
59 for (cw = firstwin; cw != wp; cw = cw->w_next) | |
60 ++winnr; | |
640 | 61 # endif |
192 | 62 |
791 | 63 set_vim_var_nr(VV_BEVAL_BUFNR, (long)wp->w_buffer->b_fnum); |
64 set_vim_var_nr(VV_BEVAL_WINNR, winnr); | |
65 set_vim_var_nr(VV_BEVAL_LNUM, (long)lnum); | |
66 set_vim_var_nr(VV_BEVAL_COL, (long)(col + 1)); | |
67 set_vim_var_string(VV_BEVAL_TEXT, text, -1); | |
68 vim_free(text); | |
634 | 69 |
791 | 70 /* |
71 * Temporarily change the curbuf, so that we can determine whether | |
1228 | 72 * the buffer-local balloonexpr option was set insecurely. |
791 | 73 */ |
74 save_curbuf = curbuf; | |
75 curbuf = wp->w_buffer; | |
76 use_sandbox = was_set_insecurely((char_u *)"balloonexpr", | |
77 *curbuf->b_p_bexpr == NUL ? 0 : OPT_LOCAL); | |
78 curbuf = save_curbuf; | |
79 if (use_sandbox) | |
80 ++sandbox; | |
81 ++textlock; | |
634 | 82 |
791 | 83 vim_free(result); |
84 result = eval_to_string(bexpr, NULL, TRUE); | |
85 | |
86 if (use_sandbox) | |
87 --sandbox; | |
88 --textlock; | |
192 | 89 |
791 | 90 set_vim_var_string(VV_BEVAL_TEXT, NULL, -1); |
91 if (result != NULL && result[0] != NUL) | |
92 { | |
93 gui_mch_post_balloon(beval, result); | |
865 | 94 recursive = FALSE; |
791 | 95 return; |
96 } | |
192 | 97 } |
98 } | |
99 #endif | |
100 #ifdef FEAT_NETBEANS_INTG | |
101 if (bevalServers & BEVAL_NETBEANS) | |
102 netbeans_beval_cb(beval, state); | |
103 #endif | |
104 #ifdef FEAT_SUN_WORKSHOP | |
105 if (bevalServers & BEVAL_WORKSHOP) | |
106 workshop_beval_cb(beval, state); | |
107 #endif | |
865 | 108 |
109 recursive = FALSE; | |
192 | 110 } |
111 | |
112 /* on Win32 only get_beval_info() is required */ | |
7 | 113 #if !defined(FEAT_GUI_W32) || defined(PROTO) |
114 | |
115 #ifdef FEAT_GUI_GTK | |
116 # include <gdk/gdkkeysyms.h> | |
117 # include <gtk/gtk.h> | |
118 #else | |
119 # include <X11/keysym.h> | |
120 # ifdef FEAT_GUI_MOTIF | |
121 # include <Xm/PushB.h> | |
122 # include <Xm/Separator.h> | |
123 # include <Xm/List.h> | |
124 # include <Xm/Label.h> | |
125 # include <Xm/AtomMgr.h> | |
126 # include <Xm/Protocols.h> | |
127 # else | |
128 /* Assume Athena */ | |
129 # include <X11/Shell.h> | |
680 | 130 # ifdef FEAT_GUI_NEXTAW |
131 # include <X11/neXtaw/Label.h> | |
132 # else | |
133 # include <X11/Xaw/Label.h> | |
134 # endif | |
7 | 135 # endif |
136 #endif | |
137 | |
138 #include "gui_beval.h" | |
139 | |
140 #ifndef FEAT_GUI_GTK | |
141 extern Widget vimShell; | |
142 | |
143 /* | |
144 * Currently, we assume that there can be only one BalloonEval showing | |
145 * on-screen at any given moment. This variable will hold the currently | |
146 * showing BalloonEval or NULL if none is showing. | |
147 */ | |
148 static BalloonEval *current_beval = NULL; | |
149 #endif | |
150 | |
151 #ifdef FEAT_GUI_GTK | |
152 static void addEventHandler __ARGS((GtkWidget *, BalloonEval *)); | |
153 static void removeEventHandler __ARGS((BalloonEval *)); | |
154 static gint target_event_cb __ARGS((GtkWidget *, GdkEvent *, gpointer)); | |
155 static gint mainwin_event_cb __ARGS((GtkWidget *, GdkEvent *, gpointer)); | |
156 static void pointer_event __ARGS((BalloonEval *, int, int, unsigned)); | |
157 static void key_event __ARGS((BalloonEval *, unsigned, int)); | |
158 static gint timeout_cb __ARGS((gpointer)); | |
159 static gint balloon_expose_event_cb __ARGS((GtkWidget *, GdkEventExpose *, gpointer)); | |
160 # ifndef HAVE_GTK2 | |
161 static void balloon_draw_cb __ARGS((GtkWidget *, GdkRectangle *, gpointer)); | |
162 # endif | |
163 #else | |
164 static void addEventHandler __ARGS((Widget, BalloonEval *)); | |
165 static void removeEventHandler __ARGS((BalloonEval *)); | |
166 static void pointerEventEH __ARGS((Widget, XtPointer, XEvent *, Boolean *)); | |
167 static void pointerEvent __ARGS((BalloonEval *, XEvent *)); | |
168 static void timerRoutine __ARGS((XtPointer, XtIntervalId *)); | |
169 #endif | |
170 static void cancelBalloon __ARGS((BalloonEval *)); | |
171 static void requestBalloon __ARGS((BalloonEval *)); | |
172 static void drawBalloon __ARGS((BalloonEval *)); | |
173 static void undrawBalloon __ARGS((BalloonEval *beval)); | |
174 static void createBalloonEvalWindow __ARGS((BalloonEval *)); | |
175 | |
176 | |
177 | |
178 /* | |
179 * Create a balloon-evaluation area for a Widget. | |
180 * There can be either a "mesg" for a fixed string or "mesgCB" to generate a | |
181 * message by calling this callback function. | |
182 * When "mesg" is not NULL it must remain valid for as long as the balloon is | |
183 * used. It is not freed here. | |
184 * Returns a pointer to the resulting object (NULL when out of memory). | |
185 */ | |
186 BalloonEval * | |
187 gui_mch_create_beval_area(target, mesg, mesgCB, clientData) | |
188 void *target; | |
189 char_u *mesg; | |
190 void (*mesgCB)__ARGS((BalloonEval *, int)); | |
191 void *clientData; | |
192 { | |
193 #ifndef FEAT_GUI_GTK | |
194 char *display_name; /* get from gui.dpy */ | |
195 int screen_num; | |
196 char *p; | |
197 #endif | |
198 BalloonEval *beval; | |
199 | |
200 if (mesg != NULL && mesgCB != NULL) | |
201 { | |
202 EMSG(_("E232: Cannot create BalloonEval with both message and callback")); | |
203 return NULL; | |
204 } | |
205 | |
206 beval = (BalloonEval *)alloc(sizeof(BalloonEval)); | |
207 if (beval != NULL) | |
208 { | |
209 #ifdef FEAT_GUI_GTK | |
210 beval->target = GTK_WIDGET(target); | |
211 beval->balloonShell = NULL; | |
212 beval->timerID = 0; | |
213 #else | |
214 beval->target = (Widget)target; | |
215 beval->balloonShell = NULL; | |
216 beval->timerID = (XtIntervalId)NULL; | |
217 beval->appContext = XtWidgetToApplicationContext((Widget)target); | |
218 #endif | |
219 beval->showState = ShS_NEUTRAL; | |
220 beval->x = 0; | |
221 beval->y = 0; | |
222 beval->msg = mesg; | |
223 beval->msgCB = mesgCB; | |
224 beval->clientData = clientData; | |
225 | |
226 /* | |
227 * Set up event handler which will keep its eyes on the pointer, | |
228 * and when the pointer rests in a certain spot for a given time | |
229 * interval, show the beval. | |
230 */ | |
231 addEventHandler(beval->target, beval); | |
232 createBalloonEvalWindow(beval); | |
233 | |
234 #ifndef FEAT_GUI_GTK | |
235 /* | |
236 * Now create and save the screen width and height. Used in drawing. | |
237 */ | |
238 display_name = DisplayString(gui.dpy); | |
239 p = strrchr(display_name, '.'); | |
240 if (p != NULL) | |
241 screen_num = atoi(++p); | |
242 else | |
243 screen_num = 0; | |
244 beval->screen_width = DisplayWidth(gui.dpy, screen_num); | |
245 beval->screen_height = DisplayHeight(gui.dpy, screen_num); | |
246 #endif | |
247 } | |
248 | |
249 return beval; | |
250 } | |
251 | |
252 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
253 /* | |
1228 | 254 * Destroy a balloon-eval and free its associated memory. |
7 | 255 */ |
256 void | |
257 gui_mch_destroy_beval_area(beval) | |
258 BalloonEval *beval; | |
259 { | |
260 cancelBalloon(beval); | |
261 removeEventHandler(beval); | |
262 /* Children will automatically be destroyed */ | |
263 # ifdef FEAT_GUI_GTK | |
264 gtk_widget_destroy(beval->balloonShell); | |
265 # else | |
266 XtDestroyWidget(beval->balloonShell); | |
267 # endif | |
268 vim_free(beval); | |
269 } | |
270 #endif | |
271 | |
272 void | |
273 gui_mch_enable_beval_area(beval) | |
274 BalloonEval *beval; | |
275 { | |
276 if (beval != NULL) | |
277 addEventHandler(beval->target, beval); | |
278 } | |
279 | |
280 void | |
281 gui_mch_disable_beval_area(beval) | |
282 BalloonEval *beval; | |
283 { | |
284 if (beval != NULL) | |
285 removeEventHandler(beval); | |
286 } | |
287 | |
288 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
289 /* | |
290 * This function returns the BalloonEval * associated with the currently | |
291 * displayed tooltip. Returns NULL if there is no tooltip currently showing. | |
292 * | |
293 * Assumption: Only one tooltip can be shown at a time. | |
294 */ | |
295 BalloonEval * | |
296 gui_mch_currently_showing_beval() | |
297 { | |
298 return current_beval; | |
299 } | |
300 #endif | |
301 #endif /* !FEAT_GUI_W32 */ | |
302 | |
192 | 303 #if defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) \ |
304 || defined(FEAT_EVAL) || defined(PROTO) | |
7 | 305 /* |
306 * Get the text and position to be evaluated for "beval". | |
192 | 307 * If "getword" is true the returned text is not the whole line but the |
308 * relevant word in allocated memory. | |
7 | 309 * Returns OK or FAIL. |
310 */ | |
311 int | |
192 | 312 get_beval_info(beval, getword, winp, lnump, textp, colp) |
7 | 313 BalloonEval *beval; |
192 | 314 int getword; |
315 win_T **winp; | |
316 linenr_T *lnump; | |
317 char_u **textp; | |
318 int *colp; | |
7 | 319 { |
320 win_T *wp; | |
321 int row, col; | |
322 char_u *lbuf; | |
323 linenr_T lnum; | |
324 | |
192 | 325 *textp = NULL; |
7 | 326 row = Y_2_ROW(beval->y); |
327 col = X_2_COL(beval->x); | |
640 | 328 #ifdef FEAT_WINDOWS |
7 | 329 wp = mouse_find_win(&row, &col); |
640 | 330 #else |
331 wp = firstwin; | |
332 #endif | |
7 | 333 if (wp != NULL && row < wp->w_height && col < W_WIDTH(wp)) |
334 { | |
335 /* Found a window and the cursor is in the text. Now find the line | |
336 * number. */ | |
337 if (!mouse_comp_pos(wp, &row, &col, &lnum)) | |
338 { | |
339 /* Not past end of the file. */ | |
340 lbuf = ml_get_buf(wp->w_buffer, lnum, FALSE); | |
341 if (col <= win_linetabsize(wp, lbuf, (colnr_T)MAXCOL)) | |
342 { | |
343 /* Not past end of line. */ | |
192 | 344 if (getword) |
7 | 345 { |
346 /* For Netbeans we get the relevant part of the line | |
347 * instead of the whole line. */ | |
348 int len; | |
349 pos_T *spos = NULL, *epos = NULL; | |
350 | |
351 if (VIsual_active) | |
352 { | |
353 if (lt(VIsual, curwin->w_cursor)) | |
354 { | |
355 spos = &VIsual; | |
356 epos = &curwin->w_cursor; | |
357 } | |
358 else | |
359 { | |
360 spos = &curwin->w_cursor; | |
361 epos = &VIsual; | |
362 } | |
363 } | |
364 | |
365 col = vcol2col(wp, lnum, col) - 1; | |
366 | |
367 if (VIsual_active | |
368 && wp->w_buffer == curwin->w_buffer | |
369 && (lnum == spos->lnum | |
370 ? col >= (int)spos->col | |
371 : lnum > spos->lnum) | |
372 && (lnum == epos->lnum | |
373 ? col <= (int)epos->col | |
374 : lnum < epos->lnum)) | |
375 { | |
376 /* Visual mode and pointing to the line with the | |
377 * Visual selection: return selected text, with a | |
378 * maximum of one line. */ | |
379 if (spos->lnum != epos->lnum || spos->col == epos->col) | |
380 return FAIL; | |
381 | |
382 lbuf = ml_get_buf(curwin->w_buffer, VIsual.lnum, FALSE); | |
383 lbuf = vim_strnsave(lbuf + spos->col, | |
384 epos->col - spos->col + (*p_sel != 'e')); | |
385 lnum = spos->lnum; | |
386 col = spos->col; | |
387 } | |
388 else | |
389 { | |
390 /* Find the word under the cursor. */ | |
391 ++emsg_off; | |
392 len = find_ident_at_pos(wp, lnum, (colnr_T)col, &lbuf, | |
393 FIND_IDENT + FIND_STRING + FIND_EVAL); | |
394 --emsg_off; | |
395 if (len == 0) | |
396 return FAIL; | |
397 lbuf = vim_strnsave(lbuf, len); | |
398 } | |
399 } | |
192 | 400 |
401 *winp = wp; | |
402 *lnump = lnum; | |
403 *textp = lbuf; | |
404 *colp = col; | |
7 | 405 beval->ts = wp->w_buffer->b_p_ts; |
406 return OK; | |
407 } | |
408 } | |
409 } | |
410 | |
411 return FAIL; | |
412 } | |
413 | |
414 # if !defined(FEAT_GUI_W32) || defined(PROTO) | |
415 | |
416 /* | |
417 * Show a balloon with "mesg". | |
418 */ | |
419 void | |
420 gui_mch_post_balloon(beval, mesg) | |
421 BalloonEval *beval; | |
422 char_u *mesg; | |
423 { | |
424 beval->msg = mesg; | |
425 if (mesg != NULL) | |
426 drawBalloon(beval); | |
427 else | |
428 undrawBalloon(beval); | |
429 } | |
430 # endif /* FEAT_GUI_W32 */ | |
431 #endif /* FEAT_SUN_WORKSHOP || FEAT_NETBEANS_INTG || PROTO */ | |
432 | |
433 #if !defined(FEAT_GUI_W32) || defined(PROTO) | |
434 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
435 /* | |
436 * Hide the given balloon. | |
437 */ | |
438 void | |
439 gui_mch_unpost_balloon(beval) | |
440 BalloonEval *beval; | |
441 { | |
442 undrawBalloon(beval); | |
443 } | |
444 #endif | |
445 | |
446 #ifdef FEAT_GUI_GTK | |
447 /* | |
448 * We can unconditionally use ANSI-style prototypes here since | |
449 * GTK+ requires an ANSI C compiler anyway. | |
450 */ | |
451 static void | |
452 addEventHandler(GtkWidget *target, BalloonEval *beval) | |
453 { | |
454 /* | |
455 * Connect to the generic "event" signal instead of the individual | |
456 * signals for each event type, because the former is emitted earlier. | |
457 * This allows us to catch events independently of the signal handlers | |
458 * in gui_gtk_x11.c. | |
459 */ | |
460 /* Should use GTK_OBJECT() here, but that causes a lint warning... */ | |
461 gtk_signal_connect((GtkObject*)(target), "event", | |
462 GTK_SIGNAL_FUNC(target_event_cb), | |
463 beval); | |
464 /* | |
465 * Nasty: Key press events go to the main window thus the drawing area | |
466 * will never see them. This means we have to connect to the main window | |
467 * as well in order to catch those events. | |
468 */ | |
469 if (gtk_socket_id == 0 && gui.mainwin != NULL | |
470 && gtk_widget_is_ancestor(target, gui.mainwin)) | |
471 { | |
472 gtk_signal_connect((GtkObject*)(gui.mainwin), "event", | |
473 GTK_SIGNAL_FUNC(mainwin_event_cb), | |
474 beval); | |
475 } | |
476 } | |
477 | |
478 static void | |
479 removeEventHandler(BalloonEval *beval) | |
480 { | |
137 | 481 /* LINTED: avoid warning: dubious operation on enum */ |
7 | 482 gtk_signal_disconnect_by_func((GtkObject*)(beval->target), |
483 GTK_SIGNAL_FUNC(target_event_cb), | |
484 beval); | |
485 | |
486 if (gtk_socket_id == 0 && gui.mainwin != NULL | |
487 && gtk_widget_is_ancestor(beval->target, gui.mainwin)) | |
488 { | |
137 | 489 /* LINTED: avoid warning: dubious operation on enum */ |
7 | 490 gtk_signal_disconnect_by_func((GtkObject*)(gui.mainwin), |
491 GTK_SIGNAL_FUNC(mainwin_event_cb), | |
492 beval); | |
493 } | |
494 } | |
495 | |
496 static gint | |
497 target_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data) | |
498 { | |
499 BalloonEval *beval = (BalloonEval *)data; | |
500 | |
501 switch (event->type) | |
502 { | |
503 case GDK_ENTER_NOTIFY: | |
504 pointer_event(beval, (int)event->crossing.x, | |
505 (int)event->crossing.y, | |
506 event->crossing.state); | |
507 break; | |
508 case GDK_MOTION_NOTIFY: | |
509 if (event->motion.is_hint) | |
510 { | |
511 int x; | |
512 int y; | |
513 GdkModifierType state; | |
514 /* | |
515 * GDK_POINTER_MOTION_HINT_MASK is set, thus we cannot obtain | |
516 * the coordinates from the GdkEventMotion struct directly. | |
517 */ | |
518 gdk_window_get_pointer(widget->window, &x, &y, &state); | |
519 pointer_event(beval, x, y, (unsigned int)state); | |
520 } | |
521 else | |
522 { | |
523 pointer_event(beval, (int)event->motion.x, | |
524 (int)event->motion.y, | |
525 event->motion.state); | |
526 } | |
527 break; | |
528 case GDK_LEAVE_NOTIFY: | |
529 /* | |
530 * Ignore LeaveNotify events that are not "normal". | |
531 * Apparently we also get it when somebody else grabs focus. | |
532 */ | |
533 if (event->crossing.mode == GDK_CROSSING_NORMAL) | |
534 cancelBalloon(beval); | |
535 break; | |
536 case GDK_BUTTON_PRESS: | |
537 # ifdef HAVE_GTK2 | |
538 case GDK_SCROLL: | |
539 # endif | |
540 cancelBalloon(beval); | |
541 break; | |
542 case GDK_KEY_PRESS: | |
543 key_event(beval, event->key.keyval, TRUE); | |
544 break; | |
545 case GDK_KEY_RELEASE: | |
546 key_event(beval, event->key.keyval, FALSE); | |
547 break; | |
548 default: | |
549 break; | |
550 } | |
551 | |
552 return FALSE; /* continue emission */ | |
553 } | |
554 | |
555 static gint | |
1884 | 556 mainwin_event_cb(GtkWidget *widget UNUSED, GdkEvent *event, gpointer data) |
7 | 557 { |
558 BalloonEval *beval = (BalloonEval *)data; | |
559 | |
560 switch (event->type) | |
561 { | |
562 case GDK_KEY_PRESS: | |
563 key_event(beval, event->key.keyval, TRUE); | |
564 break; | |
565 case GDK_KEY_RELEASE: | |
566 key_event(beval, event->key.keyval, FALSE); | |
567 break; | |
568 default: | |
569 break; | |
570 } | |
571 | |
572 return FALSE; /* continue emission */ | |
573 } | |
574 | |
575 static void | |
576 pointer_event(BalloonEval *beval, int x, int y, unsigned state) | |
577 { | |
578 int distance; | |
579 | |
580 distance = ABS(x - beval->x) + ABS(y - beval->y); | |
581 | |
582 if (distance > 4) | |
583 { | |
584 /* | |
585 * Moved out of the balloon location: cancel it. | |
586 * Remember button state | |
587 */ | |
588 beval->state = state; | |
589 cancelBalloon(beval); | |
590 | |
591 /* Mouse buttons are pressed - no balloon now */ | |
592 if (!(state & ((int)GDK_BUTTON1_MASK | (int)GDK_BUTTON2_MASK | |
593 | (int)GDK_BUTTON3_MASK))) | |
594 { | |
595 beval->x = x; | |
596 beval->y = y; | |
597 | |
598 if (state & (int)GDK_MOD1_MASK) | |
599 { | |
600 /* | |
601 * Alt is pressed -- enter super-evaluate-mode, | |
602 * where there is no time delay | |
603 */ | |
604 if (beval->msgCB != NULL) | |
605 { | |
606 beval->showState = ShS_PENDING; | |
607 (*beval->msgCB)(beval, state); | |
608 } | |
609 } | |
610 else | |
611 { | |
612 beval->timerID = gtk_timeout_add((guint32)p_bdlay, | |
613 &timeout_cb, beval); | |
614 } | |
615 } | |
616 } | |
617 } | |
618 | |
619 static void | |
620 key_event(BalloonEval *beval, unsigned keyval, int is_keypress) | |
621 { | |
622 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
623 { | |
624 switch (keyval) | |
625 { | |
626 case GDK_Shift_L: | |
627 case GDK_Shift_R: | |
628 beval->showState = ShS_UPDATE_PENDING; | |
629 (*beval->msgCB)(beval, (is_keypress) | |
630 ? (int)GDK_SHIFT_MASK : 0); | |
631 break; | |
632 case GDK_Control_L: | |
633 case GDK_Control_R: | |
634 beval->showState = ShS_UPDATE_PENDING; | |
635 (*beval->msgCB)(beval, (is_keypress) | |
636 ? (int)GDK_CONTROL_MASK : 0); | |
637 break; | |
638 default: | |
667 | 639 /* Don't do this for key release, we apparently get these with |
640 * focus changes in some GTK version. */ | |
641 if (is_keypress) | |
642 cancelBalloon(beval); | |
7 | 643 break; |
644 } | |
645 } | |
646 else | |
647 cancelBalloon(beval); | |
648 } | |
649 | |
650 static gint | |
651 timeout_cb(gpointer data) | |
652 { | |
653 BalloonEval *beval = (BalloonEval *)data; | |
654 | |
655 beval->timerID = 0; | |
656 /* | |
657 * If the timer event happens then the mouse has stopped long enough for | |
658 * a request to be started. The request will only send to the debugger if | |
659 * there the mouse is pointing at real data. | |
660 */ | |
661 requestBalloon(beval); | |
662 | |
663 return FALSE; /* don't call me again */ | |
664 } | |
665 | |
666 static gint | |
1884 | 667 balloon_expose_event_cb(GtkWidget *widget, |
668 GdkEventExpose *event, | |
669 gpointer data UNUSED) | |
7 | 670 { |
671 gtk_paint_flat_box(widget->style, widget->window, | |
672 GTK_STATE_NORMAL, GTK_SHADOW_OUT, | |
673 &event->area, widget, "tooltip", | |
674 0, 0, -1, -1); | |
675 | |
676 return FALSE; /* continue emission */ | |
677 } | |
678 | |
679 # ifndef HAVE_GTK2 | |
680 static void | |
681 balloon_draw_cb(GtkWidget *widget, GdkRectangle *area, gpointer data) | |
682 { | |
683 GtkWidget *child; | |
684 GdkRectangle child_area; | |
685 | |
686 gtk_paint_flat_box(widget->style, widget->window, | |
687 GTK_STATE_NORMAL, GTK_SHADOW_OUT, | |
688 area, widget, "tooltip", | |
689 0, 0, -1, -1); | |
690 | |
691 child = GTK_BIN(widget)->child; | |
692 | |
693 if (gtk_widget_intersect(child, area, &child_area)) | |
694 gtk_widget_draw(child, &child_area); | |
695 } | |
696 # endif | |
697 | |
698 #else /* !FEAT_GUI_GTK */ | |
699 | |
700 static void | |
701 addEventHandler(target, beval) | |
702 Widget target; | |
703 BalloonEval *beval; | |
704 { | |
705 XtAddEventHandler(target, | |
706 PointerMotionMask | EnterWindowMask | | |
707 LeaveWindowMask | ButtonPressMask | KeyPressMask | | |
708 KeyReleaseMask, | |
709 False, | |
710 pointerEventEH, (XtPointer)beval); | |
711 } | |
712 | |
713 static void | |
714 removeEventHandler(beval) | |
715 BalloonEval *beval; | |
716 { | |
717 XtRemoveEventHandler(beval->target, | |
718 PointerMotionMask | EnterWindowMask | | |
719 LeaveWindowMask | ButtonPressMask | KeyPressMask | | |
720 KeyReleaseMask, | |
721 False, | |
722 pointerEventEH, (XtPointer)beval); | |
723 } | |
724 | |
725 | |
726 /* | |
727 * The X event handler. All it does is call the real event handler. | |
728 */ | |
729 static void | |
730 pointerEventEH(w, client_data, event, unused) | |
1887 | 731 Widget w UNUSED; |
7 | 732 XtPointer client_data; |
733 XEvent *event; | |
1887 | 734 Boolean *unused UNUSED; |
7 | 735 { |
736 BalloonEval *beval = (BalloonEval *)client_data; | |
737 pointerEvent(beval, event); | |
738 } | |
739 | |
740 | |
741 /* | |
742 * The real event handler. Called by pointerEventEH() whenever an event we are | |
1228 | 743 * interested in occurs. |
7 | 744 */ |
745 | |
746 static void | |
747 pointerEvent(beval, event) | |
748 BalloonEval *beval; | |
749 XEvent *event; | |
750 { | |
751 Position distance; /* a measure of how much the ponter moved */ | |
752 Position delta; /* used to compute distance */ | |
753 | |
754 switch (event->type) | |
755 { | |
756 case EnterNotify: | |
757 case MotionNotify: | |
758 delta = event->xmotion.x - beval->x; | |
759 if (delta < 0) | |
760 delta = -delta; | |
761 distance = delta; | |
762 delta = event->xmotion.y - beval->y; | |
763 if (delta < 0) | |
764 delta = -delta; | |
765 distance += delta; | |
766 if (distance > 4) | |
767 { | |
768 /* | |
769 * Moved out of the balloon location: cancel it. | |
770 * Remember button state | |
771 */ | |
772 beval->state = event->xmotion.state; | |
773 if (beval->state & (Button1Mask|Button2Mask|Button3Mask)) | |
774 { | |
775 /* Mouse buttons are pressed - no balloon now */ | |
776 cancelBalloon(beval); | |
777 } | |
778 else if (beval->state & (Mod1Mask|Mod2Mask|Mod3Mask)) | |
779 { | |
780 /* | |
781 * Alt is pressed -- enter super-evaluate-mode, | |
782 * where there is no time delay | |
783 */ | |
784 beval->x = event->xmotion.x; | |
785 beval->y = event->xmotion.y; | |
786 beval->x_root = event->xmotion.x_root; | |
787 beval->y_root = event->xmotion.y_root; | |
788 cancelBalloon(beval); | |
789 if (beval->msgCB != NULL) | |
790 { | |
791 beval->showState = ShS_PENDING; | |
792 (*beval->msgCB)(beval, beval->state); | |
793 } | |
794 } | |
795 else | |
796 { | |
797 beval->x = event->xmotion.x; | |
798 beval->y = event->xmotion.y; | |
799 beval->x_root = event->xmotion.x_root; | |
800 beval->y_root = event->xmotion.y_root; | |
801 cancelBalloon(beval); | |
802 beval->timerID = XtAppAddTimeOut( beval->appContext, | |
803 (long_u)p_bdlay, timerRoutine, beval); | |
804 } | |
805 } | |
806 break; | |
807 | |
808 /* | |
809 * Motif and Athena version: Keystrokes will be caught by the | |
810 * "textArea" widget, and handled in gui_x11_key_hit_cb(). | |
811 */ | |
812 case KeyPress: | |
813 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
814 { | |
815 Modifiers modifier; | |
816 KeySym keysym; | |
817 | |
818 XtTranslateKeycode(gui.dpy, | |
819 event->xkey.keycode, event->xkey.state, | |
820 &modifier, &keysym); | |
821 if (keysym == XK_Shift_L || keysym == XK_Shift_R) | |
822 { | |
823 beval->showState = ShS_UPDATE_PENDING; | |
824 (*beval->msgCB)(beval, ShiftMask); | |
825 } | |
826 else if (keysym == XK_Control_L || keysym == XK_Control_R) | |
827 { | |
828 beval->showState = ShS_UPDATE_PENDING; | |
829 (*beval->msgCB)(beval, ControlMask); | |
830 } | |
831 else | |
832 cancelBalloon(beval); | |
833 } | |
834 else | |
835 cancelBalloon(beval); | |
836 break; | |
837 | |
838 case KeyRelease: | |
839 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
840 { | |
841 Modifiers modifier; | |
842 KeySym keysym; | |
843 | |
844 XtTranslateKeycode(gui.dpy, event->xkey.keycode, | |
845 event->xkey.state, &modifier, &keysym); | |
846 if ((keysym == XK_Shift_L) || (keysym == XK_Shift_R)) { | |
847 beval->showState = ShS_UPDATE_PENDING; | |
848 (*beval->msgCB)(beval, 0); | |
849 } | |
850 else if ((keysym == XK_Control_L) || (keysym == XK_Control_R)) | |
851 { | |
852 beval->showState = ShS_UPDATE_PENDING; | |
853 (*beval->msgCB)(beval, 0); | |
854 } | |
855 else | |
856 cancelBalloon(beval); | |
857 } | |
858 else | |
859 cancelBalloon(beval); | |
860 break; | |
861 | |
862 case LeaveNotify: | |
863 /* Ignore LeaveNotify events that are not "normal". | |
864 * Apparently we also get it when somebody else grabs focus. | |
865 * Happens for me every two seconds (some clipboard tool?) */ | |
866 if (event->xcrossing.mode == NotifyNormal) | |
867 cancelBalloon(beval); | |
868 break; | |
869 | |
870 case ButtonPress: | |
871 cancelBalloon(beval); | |
872 break; | |
873 | |
874 default: | |
875 break; | |
876 } | |
877 } | |
878 | |
879 static void | |
880 timerRoutine(dx, id) | |
881 XtPointer dx; | |
1887 | 882 XtIntervalId *id UNUSED; |
7 | 883 { |
884 BalloonEval *beval = (BalloonEval *)dx; | |
885 | |
886 beval->timerID = (XtIntervalId)NULL; | |
887 | |
888 /* | |
889 * If the timer event happens then the mouse has stopped long enough for | |
890 * a request to be started. The request will only send to the debugger if | |
891 * there the mouse is pointing at real data. | |
892 */ | |
893 requestBalloon(beval); | |
894 } | |
895 | |
896 #endif /* !FEAT_GUI_GTK */ | |
897 | |
898 static void | |
899 requestBalloon(beval) | |
900 BalloonEval *beval; | |
901 { | |
902 if (beval->showState != ShS_PENDING) | |
903 { | |
904 /* Determine the beval to display */ | |
905 if (beval->msgCB != NULL) | |
906 { | |
907 beval->showState = ShS_PENDING; | |
908 (*beval->msgCB)(beval, beval->state); | |
909 } | |
910 else if (beval->msg != NULL) | |
911 drawBalloon(beval); | |
912 } | |
913 } | |
914 | |
915 #ifdef FEAT_GUI_GTK | |
916 | |
917 # ifdef HAVE_GTK2 | |
918 /* | |
919 * Convert the string to UTF-8 if 'encoding' is not "utf-8". | |
920 * Replace any non-printable characters and invalid bytes sequences with | |
921 * "^X" or "<xx>" escapes, and apply SpecialKey highlighting to them. | |
922 * TAB and NL are passed through unscathed. | |
923 */ | |
924 # define IS_NONPRINTABLE(c) (((c) < 0x20 && (c) != TAB && (c) != NL) \ | |
925 || (c) == DEL) | |
926 static void | |
944 | 927 set_printable_label_text(GtkLabel *label, char_u *text) |
7 | 928 { |
929 char_u *convbuf = NULL; | |
930 char_u *buf; | |
931 char_u *p; | |
932 char_u *pdest; | |
933 unsigned int len; | |
934 int charlen; | |
935 int uc; | |
936 PangoAttrList *attr_list; | |
937 | |
938 /* Convert to UTF-8 if it isn't already */ | |
939 if (output_conv.vc_type != CONV_NONE) | |
940 { | |
944 | 941 convbuf = string_convert(&output_conv, text, NULL); |
7 | 942 if (convbuf != NULL) |
944 | 943 text = convbuf; |
7 | 944 } |
945 | |
946 /* First let's see how much we need to allocate */ | |
947 len = 0; | |
944 | 948 for (p = text; *p != NUL; p += charlen) |
7 | 949 { |
950 if ((*p & 0x80) == 0) /* be quick for ASCII */ | |
951 { | |
952 charlen = 1; | |
953 len += IS_NONPRINTABLE(*p) ? 2 : 1; /* nonprintable: ^X */ | |
954 } | |
955 else | |
956 { | |
474 | 957 charlen = utf_ptr2len(p); |
7 | 958 uc = utf_ptr2char(p); |
959 | |
960 if (charlen != utf_char2len(uc)) | |
961 charlen = 1; /* reject overlong sequences */ | |
962 | |
963 if (charlen == 1 || uc < 0xa0) /* illegal byte or */ | |
964 len += 4; /* control char: <xx> */ | |
965 else if (!utf_printable(uc)) | |
966 /* Note: we assume here that utf_printable() doesn't | |
967 * care about characters outside the BMP. */ | |
968 len += 6; /* nonprintable: <xxxx> */ | |
969 else | |
970 len += charlen; | |
971 } | |
972 } | |
973 | |
974 attr_list = pango_attr_list_new(); | |
975 buf = alloc(len + 1); | |
976 | |
977 /* Now go for the real work */ | |
978 if (buf != NULL) | |
979 { | |
980 attrentry_T *aep; | |
981 PangoAttribute *attr; | |
982 guicolor_T pixel; | |
983 GdkColor color = { 0, 0, 0, 0 }; | |
984 | |
985 /* Look up the RGB values of the SpecialKey foreground color. */ | |
986 aep = syn_gui_attr2entry(hl_attr(HLF_8)); | |
987 pixel = (aep != NULL) ? aep->ae_u.gui.fg_color : INVALCOLOR; | |
988 if (pixel != INVALCOLOR) | |
989 gdk_colormap_query_color(gtk_widget_get_colormap(gui.drawarea), | |
990 (unsigned long)pixel, &color); | |
991 | |
992 pdest = buf; | |
944 | 993 p = text; |
7 | 994 while (*p != NUL) |
995 { | |
996 /* Be quick for ASCII */ | |
997 if ((*p & 0x80) == 0 && !IS_NONPRINTABLE(*p)) | |
998 { | |
999 *pdest++ = *p++; | |
1000 } | |
1001 else | |
1002 { | |
474 | 1003 charlen = utf_ptr2len(p); |
7 | 1004 uc = utf_ptr2char(p); |
1005 | |
1006 if (charlen != utf_char2len(uc)) | |
1007 charlen = 1; /* reject overlong sequences */ | |
1008 | |
1009 if (charlen == 1 || uc < 0xa0 || !utf_printable(uc)) | |
1010 { | |
1011 int outlen; | |
1012 | |
1013 /* Careful: we can't just use transchar_byte() here, | |
1014 * since 'encoding' is not necessarily set to "utf-8". */ | |
1015 if (*p & 0x80 && charlen == 1) | |
1016 { | |
1017 transchar_hex(pdest, *p); /* <xx> */ | |
1018 outlen = 4; | |
1019 } | |
1020 else if (uc >= 0x80) | |
1021 { | |
1022 /* Note: we assume here that utf_printable() doesn't | |
1023 * care about characters outside the BMP. */ | |
1024 transchar_hex(pdest, uc); /* <xx> or <xxxx> */ | |
1025 outlen = (uc < 0x100) ? 4 : 6; | |
1026 } | |
1027 else | |
1028 { | |
1029 transchar_nonprint(pdest, *p); /* ^X */ | |
1030 outlen = 2; | |
1031 } | |
1032 if (pixel != INVALCOLOR) | |
1033 { | |
1034 attr = pango_attr_foreground_new( | |
1035 color.red, color.green, color.blue); | |
1036 attr->start_index = pdest - buf; | |
1037 attr->end_index = pdest - buf + outlen; | |
1038 pango_attr_list_insert(attr_list, attr); | |
1039 } | |
1040 pdest += outlen; | |
1041 p += charlen; | |
1042 } | |
1043 else | |
1044 { | |
1045 do | |
1046 *pdest++ = *p++; | |
1047 while (--charlen != 0); | |
1048 } | |
1049 } | |
1050 } | |
1051 *pdest = NUL; | |
1052 } | |
1053 | |
1054 vim_free(convbuf); | |
1055 | |
1056 gtk_label_set_text(label, (const char *)buf); | |
1057 vim_free(buf); | |
1058 | |
1059 gtk_label_set_attributes(label, attr_list); | |
1060 pango_attr_list_unref(attr_list); | |
1061 } | |
1062 # undef IS_NONPRINTABLE | |
1063 # endif /* HAVE_GTK2 */ | |
1064 | |
1065 /* | |
1066 * Draw a balloon. | |
1067 */ | |
1068 static void | |
1069 drawBalloon(BalloonEval *beval) | |
1070 { | |
1071 if (beval->msg != NULL) | |
1072 { | |
1073 GtkRequisition requisition; | |
1074 int screen_w; | |
1075 int screen_h; | |
1076 int x; | |
1077 int y; | |
1078 int x_offset = EVAL_OFFSET_X; | |
1079 int y_offset = EVAL_OFFSET_Y; | |
1080 # ifdef HAVE_GTK2 | |
1081 PangoLayout *layout; | |
1082 # endif | |
1083 # ifdef HAVE_GTK_MULTIHEAD | |
1084 GdkScreen *screen; | |
1085 | |
1086 screen = gtk_widget_get_screen(beval->target); | |
1087 gtk_window_set_screen(GTK_WINDOW(beval->balloonShell), screen); | |
1088 screen_w = gdk_screen_get_width(screen); | |
1089 screen_h = gdk_screen_get_height(screen); | |
1090 # else | |
1091 screen_w = gdk_screen_width(); | |
1092 screen_h = gdk_screen_height(); | |
1093 # endif | |
1094 gtk_widget_ensure_style(beval->balloonShell); | |
1095 gtk_widget_ensure_style(beval->balloonLabel); | |
1096 | |
1097 # ifdef HAVE_GTK2 | |
1098 set_printable_label_text(GTK_LABEL(beval->balloonLabel), beval->msg); | |
1099 /* | |
1100 * Dirty trick: Enable wrapping mode on the label's layout behind its | |
1101 * back. This way GtkLabel won't try to constrain the wrap width to a | |
1102 * builtin maximum value of about 65 Latin characters. | |
1103 */ | |
1104 layout = gtk_label_get_layout(GTK_LABEL(beval->balloonLabel)); | |
1105 # ifdef PANGO_WRAP_WORD_CHAR | |
1106 pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR); | |
1107 # else | |
1108 pango_layout_set_wrap(layout, PANGO_WRAP_WORD); | |
1109 # endif | |
1110 pango_layout_set_width(layout, | |
1111 /* try to come up with some reasonable width */ | |
1112 PANGO_SCALE * CLAMP(gui.num_cols * gui.char_width, | |
1113 screen_w / 2, | |
1114 MAX(20, screen_w - 20))); | |
1115 | |
1116 /* Calculate the balloon's width and height. */ | |
1117 gtk_widget_size_request(beval->balloonShell, &requisition); | |
1118 # else | |
1119 gtk_label_set_line_wrap(GTK_LABEL(beval->balloonLabel), FALSE); | |
1120 gtk_label_set_text(GTK_LABEL(beval->balloonLabel), | |
1121 (const char *)beval->msg); | |
1122 | |
1123 /* Calculate the balloon's width and height. */ | |
1124 gtk_widget_size_request(beval->balloonShell, &requisition); | |
1125 /* | |
1126 * Unfortunately, the dirty trick used above to get around the builtin | |
1127 * maximum wrap width of GtkLabel doesn't work with GTK+ 1. Thus if | |
1128 * and only if it's absolutely necessary to avoid drawing off-screen, | |
1129 * do enable wrapping now and recalculate the size request. | |
1130 */ | |
1131 if (requisition.width > screen_w) | |
1132 { | |
1133 gtk_label_set_line_wrap(GTK_LABEL(beval->balloonLabel), TRUE); | |
1134 gtk_widget_size_request(beval->balloonShell, &requisition); | |
1135 } | |
1136 # endif | |
1137 | |
1138 /* Compute position of the balloon area */ | |
1139 gdk_window_get_origin(beval->target->window, &x, &y); | |
1140 x += beval->x; | |
1141 y += beval->y; | |
1142 | |
1143 /* Get out of the way of the mouse pointer */ | |
1144 if (x + x_offset + requisition.width > screen_w) | |
1145 y_offset += 15; | |
1146 if (y + y_offset + requisition.height > screen_h) | |
1147 y_offset = -requisition.height - EVAL_OFFSET_Y; | |
1148 | |
1149 /* Sanitize values */ | |
1150 x = CLAMP(x + x_offset, 0, MAX(0, screen_w - requisition.width)); | |
1151 y = CLAMP(y + y_offset, 0, MAX(0, screen_h - requisition.height)); | |
1152 | |
1153 /* Show the balloon */ | |
1154 gtk_widget_set_uposition(beval->balloonShell, x, y); | |
1155 gtk_widget_show(beval->balloonShell); | |
1156 | |
1157 beval->showState = ShS_SHOWING; | |
1158 } | |
1159 } | |
1160 | |
1161 /* | |
1162 * Undraw a balloon. | |
1163 */ | |
1164 static void | |
1165 undrawBalloon(BalloonEval *beval) | |
1166 { | |
1167 if (beval->balloonShell != NULL) | |
1168 gtk_widget_hide(beval->balloonShell); | |
1169 beval->showState = ShS_NEUTRAL; | |
1170 } | |
1171 | |
1172 static void | |
1173 cancelBalloon(BalloonEval *beval) | |
1174 { | |
1175 if (beval->showState == ShS_SHOWING | |
1176 || beval->showState == ShS_UPDATE_PENDING) | |
1177 undrawBalloon(beval); | |
1178 | |
1179 if (beval->timerID != 0) | |
1180 { | |
1181 gtk_timeout_remove(beval->timerID); | |
1182 beval->timerID = 0; | |
1183 } | |
1184 beval->showState = ShS_NEUTRAL; | |
1185 } | |
1186 | |
1187 static void | |
1188 createBalloonEvalWindow(BalloonEval *beval) | |
1189 { | |
1190 beval->balloonShell = gtk_window_new(GTK_WINDOW_POPUP); | |
1191 | |
1192 gtk_widget_set_app_paintable(beval->balloonShell, TRUE); | |
1193 gtk_window_set_policy(GTK_WINDOW(beval->balloonShell), FALSE, FALSE, TRUE); | |
1194 gtk_widget_set_name(beval->balloonShell, "gtk-tooltips"); | |
1195 gtk_container_border_width(GTK_CONTAINER(beval->balloonShell), 4); | |
1196 | |
1197 gtk_signal_connect((GtkObject*)(beval->balloonShell), "expose_event", | |
1198 GTK_SIGNAL_FUNC(balloon_expose_event_cb), NULL); | |
1199 # ifndef HAVE_GTK2 | |
1200 gtk_signal_connect((GtkObject*)(beval->balloonShell), "draw", | |
1201 GTK_SIGNAL_FUNC(balloon_draw_cb), NULL); | |
1202 # endif | |
1203 beval->balloonLabel = gtk_label_new(NULL); | |
1204 | |
1205 gtk_label_set_line_wrap(GTK_LABEL(beval->balloonLabel), FALSE); | |
1206 gtk_label_set_justify(GTK_LABEL(beval->balloonLabel), GTK_JUSTIFY_LEFT); | |
1207 gtk_misc_set_alignment(GTK_MISC(beval->balloonLabel), 0.5f, 0.5f); | |
1208 gtk_widget_set_name(beval->balloonLabel, "vim-balloon-label"); | |
1209 gtk_widget_show(beval->balloonLabel); | |
1210 | |
1211 gtk_container_add(GTK_CONTAINER(beval->balloonShell), beval->balloonLabel); | |
1212 } | |
1213 | |
1214 #else /* !FEAT_GUI_GTK */ | |
1215 | |
1216 /* | |
1217 * Draw a balloon. | |
1218 */ | |
1219 static void | |
1220 drawBalloon(beval) | |
1221 BalloonEval *beval; | |
1222 { | |
1223 Dimension w; | |
1224 Dimension h; | |
1225 Position tx; | |
1226 Position ty; | |
1227 | |
1228 if (beval->msg != NULL) | |
1229 { | |
1230 /* Show the Balloon */ | |
1231 | |
1232 /* Calculate the label's width and height */ | |
1233 #ifdef FEAT_GUI_MOTIF | |
1234 XmString s; | |
1235 | |
1236 /* For the callback function we parse NL characters to create a | |
1237 * multi-line label. This doesn't work for all languages, but | |
1238 * XmStringCreateLocalized() doesn't do multi-line labels... */ | |
1239 if (beval->msgCB != NULL) | |
1240 s = XmStringCreateLtoR((char *)beval->msg, XmFONTLIST_DEFAULT_TAG); | |
1241 else | |
1242 s = XmStringCreateLocalized((char *)beval->msg); | |
1243 { | |
1244 XmFontList fl; | |
1245 | |
1246 fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset); | |
1247 if (fl != NULL) | |
1248 { | |
1249 XmStringExtent(fl, s, &w, &h); | |
1250 XmFontListFree(fl); | |
1251 } | |
1252 } | |
1253 w += gui.border_offset << 1; | |
1254 h += gui.border_offset << 1; | |
1255 XtVaSetValues(beval->balloonLabel, XmNlabelString, s, NULL); | |
1256 XmStringFree(s); | |
1257 #else /* Athena */ | |
1258 /* Assume XtNinternational == True */ | |
1259 XFontSet fset; | |
1260 XFontSetExtents *ext; | |
1261 | |
1262 XtVaGetValues(beval->balloonLabel, XtNfontSet, &fset, NULL); | |
1263 ext = XExtentsOfFontSet(fset); | |
1264 h = ext->max_ink_extent.height; | |
1265 w = XmbTextEscapement(fset, | |
1266 (char *)beval->msg, | |
1267 (int)STRLEN(beval->msg)); | |
1268 w += gui.border_offset << 1; | |
1269 h += gui.border_offset << 1; | |
1270 XtVaSetValues(beval->balloonLabel, XtNlabel, beval->msg, NULL); | |
1271 #endif | |
1272 | |
1273 /* Compute position of the balloon area */ | |
1274 tx = beval->x_root + EVAL_OFFSET_X; | |
1275 ty = beval->y_root + EVAL_OFFSET_Y; | |
1276 if ((tx + w) > beval->screen_width) | |
1277 tx = beval->screen_width - w; | |
1278 if ((ty + h) > beval->screen_height) | |
1279 ty = beval->screen_height - h; | |
1280 #ifdef FEAT_GUI_MOTIF | |
1281 XtVaSetValues(beval->balloonShell, | |
1282 XmNx, tx, | |
1283 XmNy, ty, | |
1284 NULL); | |
1285 #else | |
1286 /* Athena */ | |
1287 XtVaSetValues(beval->balloonShell, | |
1288 XtNx, tx, | |
1289 XtNy, ty, | |
1290 NULL); | |
1291 #endif | |
1844 | 1292 /* Set tooltip colors */ |
1293 { | |
1294 Arg args[2]; | |
1295 | |
1296 #ifdef FEAT_GUI_MOTIF | |
1297 args[0].name = XmNbackground; | |
1298 args[0].value = gui.tooltip_bg_pixel; | |
1299 args[1].name = XmNforeground; | |
1300 args[1].value = gui.tooltip_fg_pixel; | |
1301 #else /* Athena */ | |
1302 args[0].name = XtNbackground; | |
1303 args[0].value = gui.tooltip_bg_pixel; | |
1304 args[1].name = XtNforeground; | |
1305 args[1].value = gui.tooltip_fg_pixel; | |
1306 #endif | |
1307 XtSetValues(beval->balloonLabel, &args[0], XtNumber(args)); | |
1308 } | |
7 | 1309 |
1310 XtPopup(beval->balloonShell, XtGrabNone); | |
1311 | |
1312 beval->showState = ShS_SHOWING; | |
1313 | |
1314 current_beval = beval; | |
1315 } | |
1316 } | |
1317 | |
1318 /* | |
1319 * Undraw a balloon. | |
1320 */ | |
1321 static void | |
1322 undrawBalloon(beval) | |
1323 BalloonEval *beval; | |
1324 { | |
1325 if (beval->balloonShell != (Widget)0) | |
1326 XtPopdown(beval->balloonShell); | |
1327 beval->showState = ShS_NEUTRAL; | |
1328 | |
1329 current_beval = NULL; | |
1330 } | |
1331 | |
1332 static void | |
1333 cancelBalloon(beval) | |
1334 BalloonEval *beval; | |
1335 { | |
1336 if (beval->showState == ShS_SHOWING | |
1337 || beval->showState == ShS_UPDATE_PENDING) | |
1338 undrawBalloon(beval); | |
1339 | |
1340 if (beval->timerID != (XtIntervalId)NULL) | |
1341 { | |
1342 XtRemoveTimeOut(beval->timerID); | |
1343 beval->timerID = (XtIntervalId)NULL; | |
1344 } | |
1345 beval->showState = ShS_NEUTRAL; | |
1346 } | |
1347 | |
1348 | |
1349 static void | |
1350 createBalloonEvalWindow(beval) | |
1351 BalloonEval *beval; | |
1352 { | |
1353 Arg args[12]; | |
1354 int n; | |
1355 | |
1356 n = 0; | |
1357 #ifdef FEAT_GUI_MOTIF | |
1358 XtSetArg(args[n], XmNallowShellResize, True); n++; | |
1359 beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval", | |
1360 overrideShellWidgetClass, gui.dpy, args, n); | |
1361 #else | |
1362 /* Athena */ | |
1363 XtSetArg(args[n], XtNallowShellResize, True); n++; | |
1364 beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval", | |
1365 overrideShellWidgetClass, gui.dpy, args, n); | |
1366 #endif | |
1367 | |
1368 n = 0; | |
1369 #ifdef FEAT_GUI_MOTIF | |
1370 { | |
1371 XmFontList fl; | |
1372 | |
1373 fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset); | |
1374 XtSetArg(args[n], XmNforeground, gui.tooltip_fg_pixel); n++; | |
1375 XtSetArg(args[n], XmNbackground, gui.tooltip_bg_pixel); n++; | |
1376 XtSetArg(args[n], XmNfontList, fl); n++; | |
1377 XtSetArg(args[n], XmNalignment, XmALIGNMENT_BEGINNING); n++; | |
1378 beval->balloonLabel = XtCreateManagedWidget("balloonLabel", | |
1379 xmLabelWidgetClass, beval->balloonShell, args, n); | |
1380 } | |
1381 #else /* FEAT_GUI_ATHENA */ | |
1382 XtSetArg(args[n], XtNforeground, gui.tooltip_fg_pixel); n++; | |
1383 XtSetArg(args[n], XtNbackground, gui.tooltip_bg_pixel); n++; | |
1384 XtSetArg(args[n], XtNinternational, True); n++; | |
1385 XtSetArg(args[n], XtNfontSet, gui.tooltip_fontset); n++; | |
1386 beval->balloonLabel = XtCreateManagedWidget("balloonLabel", | |
1387 labelWidgetClass, beval->balloonShell, args, n); | |
1388 #endif | |
1389 } | |
1390 | |
1391 #endif /* !FEAT_GUI_GTK */ | |
1392 #endif /* !FEAT_GUI_W32 */ | |
1393 | |
1394 #endif /* FEAT_BEVAL */ |