Mercurial > vim
annotate src/gui_beval.c @ 7772:0677c5b880d1 v7.4.1183
commit https://github.com/vim/vim/commit/fb4194e4e0d6bd2df43c3e75a969866fcb103f6b
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Jan 26 23:39:55 2016 +0100
patch 7.4.1183
Problem: MS-Windows build is broken.
Solution: Remove init in wrong place.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Tue, 26 Jan 2016 23:45:06 +0100 |
| parents | 488bb7c4ace0 |
| children | a1e71a01dbd6 |
| 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; | |
| 6297 | 33 size_t len; |
|
2251
646d34788036
Fix a few compiler warnings. Fix crash with encrypted undo file.
Bram Moolenaar <bram@vim.org>
parents:
1887
diff
changeset
|
34 # ifdef FEAT_WINDOWS |
| 192 | 35 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
|
36 # endif |
| 640 | 37 #endif |
| 865 | 38 static int recursive = FALSE; |
| 192 | 39 |
| 40 /* Don't do anything when 'ballooneval' is off, messages scrolled the | |
| 41 * windows up or we have no beval area. */ | |
| 42 if (!p_beval || balloonEval == NULL || msg_scrolled > 0) | |
| 43 return; | |
| 44 | |
| 865 | 45 /* Don't do this recursively. Happens when the expression evaluation |
| 46 * takes a long time and invokes something that checks for CTRL-C typed. */ | |
| 47 if (recursive) | |
| 48 return; | |
| 49 recursive = TRUE; | |
| 50 | |
| 192 | 51 #ifdef FEAT_EVAL |
| 791 | 52 if (get_beval_info(balloonEval, TRUE, &wp, &lnum, &text, &col) == OK) |
| 192 | 53 { |
| 791 | 54 bexpr = (*wp->w_buffer->b_p_bexpr == NUL) ? p_bexpr |
| 55 : wp->w_buffer->b_p_bexpr; | |
| 56 if (*bexpr != NUL) | |
| 57 { | |
| 640 | 58 # ifdef FEAT_WINDOWS |
| 791 | 59 /* Convert window pointer to number. */ |
| 60 for (cw = firstwin; cw != wp; cw = cw->w_next) | |
| 61 ++winnr; | |
| 640 | 62 # endif |
| 192 | 63 |
| 791 | 64 set_vim_var_nr(VV_BEVAL_BUFNR, (long)wp->w_buffer->b_fnum); |
| 65 set_vim_var_nr(VV_BEVAL_WINNR, winnr); | |
| 66 set_vim_var_nr(VV_BEVAL_LNUM, (long)lnum); | |
| 67 set_vim_var_nr(VV_BEVAL_COL, (long)(col + 1)); | |
| 68 set_vim_var_string(VV_BEVAL_TEXT, text, -1); | |
| 69 vim_free(text); | |
| 634 | 70 |
| 791 | 71 /* |
| 72 * Temporarily change the curbuf, so that we can determine whether | |
| 1228 | 73 * the buffer-local balloonexpr option was set insecurely. |
| 791 | 74 */ |
| 75 save_curbuf = curbuf; | |
| 76 curbuf = wp->w_buffer; | |
| 77 use_sandbox = was_set_insecurely((char_u *)"balloonexpr", | |
| 78 *curbuf->b_p_bexpr == NUL ? 0 : OPT_LOCAL); | |
| 79 curbuf = save_curbuf; | |
| 80 if (use_sandbox) | |
| 81 ++sandbox; | |
| 82 ++textlock; | |
| 634 | 83 |
| 791 | 84 vim_free(result); |
| 85 result = eval_to_string(bexpr, NULL, TRUE); | |
| 86 | |
| 6297 | 87 /* Remove one trailing newline, it is added when the result was a |
| 88 * list and it's hardly every useful. If the user really wants a | |
| 89 * trailing newline he can add two and one remains. */ | |
| 90 if (result != NULL) | |
| 91 { | |
| 92 len = STRLEN(result); | |
| 93 if (len > 0 && result[len - 1] == NL) | |
| 94 result[len - 1] = NUL; | |
| 95 } | |
| 96 | |
| 791 | 97 if (use_sandbox) |
| 98 --sandbox; | |
| 99 --textlock; | |
| 192 | 100 |
| 791 | 101 set_vim_var_string(VV_BEVAL_TEXT, NULL, -1); |
| 102 if (result != NULL && result[0] != NUL) | |
| 103 { | |
| 104 gui_mch_post_balloon(beval, result); | |
| 865 | 105 recursive = FALSE; |
| 791 | 106 return; |
| 107 } | |
| 192 | 108 } |
| 109 } | |
| 110 #endif | |
| 111 #ifdef FEAT_NETBEANS_INTG | |
| 112 if (bevalServers & BEVAL_NETBEANS) | |
| 113 netbeans_beval_cb(beval, state); | |
| 114 #endif | |
| 115 #ifdef FEAT_SUN_WORKSHOP | |
| 116 if (bevalServers & BEVAL_WORKSHOP) | |
| 117 workshop_beval_cb(beval, state); | |
| 118 #endif | |
| 865 | 119 |
| 120 recursive = FALSE; | |
| 192 | 121 } |
| 122 | |
| 123 /* on Win32 only get_beval_info() is required */ | |
| 7 | 124 #if !defined(FEAT_GUI_W32) || defined(PROTO) |
| 125 | |
| 126 #ifdef FEAT_GUI_GTK | |
| 127 # include <gdk/gdkkeysyms.h> | |
| 128 # include <gtk/gtk.h> | |
| 129 #else | |
| 130 # include <X11/keysym.h> | |
| 131 # ifdef FEAT_GUI_MOTIF | |
| 132 # include <Xm/PushB.h> | |
| 133 # include <Xm/Separator.h> | |
| 134 # include <Xm/List.h> | |
| 135 # include <Xm/Label.h> | |
| 136 # include <Xm/AtomMgr.h> | |
| 137 # include <Xm/Protocols.h> | |
| 138 # else | |
| 139 /* Assume Athena */ | |
| 140 # include <X11/Shell.h> | |
| 680 | 141 # ifdef FEAT_GUI_NEXTAW |
| 142 # include <X11/neXtaw/Label.h> | |
| 143 # else | |
| 144 # include <X11/Xaw/Label.h> | |
| 145 # endif | |
| 7 | 146 # endif |
| 147 #endif | |
| 148 | |
| 149 #include "gui_beval.h" | |
| 150 | |
| 151 #ifndef FEAT_GUI_GTK | |
| 152 extern Widget vimShell; | |
| 153 | |
| 154 /* | |
| 155 * Currently, we assume that there can be only one BalloonEval showing | |
| 156 * on-screen at any given moment. This variable will hold the currently | |
| 157 * showing BalloonEval or NULL if none is showing. | |
| 158 */ | |
| 159 static BalloonEval *current_beval = NULL; | |
| 160 #endif | |
| 161 | |
| 162 #ifdef FEAT_GUI_GTK | |
| 163 static void addEventHandler __ARGS((GtkWidget *, BalloonEval *)); | |
| 164 static void removeEventHandler __ARGS((BalloonEval *)); | |
| 165 static gint target_event_cb __ARGS((GtkWidget *, GdkEvent *, gpointer)); | |
| 166 static gint mainwin_event_cb __ARGS((GtkWidget *, GdkEvent *, gpointer)); | |
| 167 static void pointer_event __ARGS((BalloonEval *, int, int, unsigned)); | |
| 168 static void key_event __ARGS((BalloonEval *, unsigned, int)); | |
| 169 static gint timeout_cb __ARGS((gpointer)); | |
| 170 static gint balloon_expose_event_cb __ARGS((GtkWidget *, GdkEventExpose *, gpointer)); | |
| 171 #else | |
| 172 static void addEventHandler __ARGS((Widget, BalloonEval *)); | |
| 173 static void removeEventHandler __ARGS((BalloonEval *)); | |
| 174 static void pointerEventEH __ARGS((Widget, XtPointer, XEvent *, Boolean *)); | |
| 175 static void pointerEvent __ARGS((BalloonEval *, XEvent *)); | |
| 176 static void timerRoutine __ARGS((XtPointer, XtIntervalId *)); | |
| 177 #endif | |
| 178 static void cancelBalloon __ARGS((BalloonEval *)); | |
| 179 static void requestBalloon __ARGS((BalloonEval *)); | |
| 180 static void drawBalloon __ARGS((BalloonEval *)); | |
| 181 static void undrawBalloon __ARGS((BalloonEval *beval)); | |
| 182 static void createBalloonEvalWindow __ARGS((BalloonEval *)); | |
| 183 | |
| 184 | |
| 185 | |
| 186 /* | |
| 187 * Create a balloon-evaluation area for a Widget. | |
| 188 * There can be either a "mesg" for a fixed string or "mesgCB" to generate a | |
| 189 * message by calling this callback function. | |
| 190 * When "mesg" is not NULL it must remain valid for as long as the balloon is | |
| 191 * used. It is not freed here. | |
| 192 * Returns a pointer to the resulting object (NULL when out of memory). | |
| 193 */ | |
| 194 BalloonEval * | |
| 195 gui_mch_create_beval_area(target, mesg, mesgCB, clientData) | |
| 196 void *target; | |
| 197 char_u *mesg; | |
| 198 void (*mesgCB)__ARGS((BalloonEval *, int)); | |
| 199 void *clientData; | |
| 200 { | |
| 201 #ifndef FEAT_GUI_GTK | |
| 202 char *display_name; /* get from gui.dpy */ | |
| 203 int screen_num; | |
| 204 char *p; | |
| 205 #endif | |
| 206 BalloonEval *beval; | |
| 207 | |
| 208 if (mesg != NULL && mesgCB != NULL) | |
| 209 { | |
| 210 EMSG(_("E232: Cannot create BalloonEval with both message and callback")); | |
| 211 return NULL; | |
| 212 } | |
| 213 | |
| 214 beval = (BalloonEval *)alloc(sizeof(BalloonEval)); | |
| 215 if (beval != NULL) | |
| 216 { | |
| 217 #ifdef FEAT_GUI_GTK | |
| 218 beval->target = GTK_WIDGET(target); | |
| 219 beval->balloonShell = NULL; | |
| 220 beval->timerID = 0; | |
| 221 #else | |
| 222 beval->target = (Widget)target; | |
| 223 beval->balloonShell = NULL; | |
| 224 beval->timerID = (XtIntervalId)NULL; | |
| 225 beval->appContext = XtWidgetToApplicationContext((Widget)target); | |
| 226 #endif | |
| 227 beval->showState = ShS_NEUTRAL; | |
| 228 beval->x = 0; | |
| 229 beval->y = 0; | |
| 230 beval->msg = mesg; | |
| 231 beval->msgCB = mesgCB; | |
| 232 beval->clientData = clientData; | |
| 233 | |
| 234 /* | |
| 235 * Set up event handler which will keep its eyes on the pointer, | |
| 236 * and when the pointer rests in a certain spot for a given time | |
| 237 * interval, show the beval. | |
| 238 */ | |
| 239 addEventHandler(beval->target, beval); | |
| 240 createBalloonEvalWindow(beval); | |
| 241 | |
| 242 #ifndef FEAT_GUI_GTK | |
| 243 /* | |
| 244 * Now create and save the screen width and height. Used in drawing. | |
| 245 */ | |
| 246 display_name = DisplayString(gui.dpy); | |
| 247 p = strrchr(display_name, '.'); | |
| 248 if (p != NULL) | |
| 249 screen_num = atoi(++p); | |
| 250 else | |
| 251 screen_num = 0; | |
| 252 beval->screen_width = DisplayWidth(gui.dpy, screen_num); | |
| 253 beval->screen_height = DisplayHeight(gui.dpy, screen_num); | |
| 254 #endif | |
| 255 } | |
| 256 | |
| 257 return beval; | |
| 258 } | |
| 259 | |
| 260 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 261 /* | |
| 1228 | 262 * Destroy a balloon-eval and free its associated memory. |
| 7 | 263 */ |
| 264 void | |
| 265 gui_mch_destroy_beval_area(beval) | |
| 266 BalloonEval *beval; | |
| 267 { | |
| 268 cancelBalloon(beval); | |
| 269 removeEventHandler(beval); | |
| 270 /* Children will automatically be destroyed */ | |
| 271 # ifdef FEAT_GUI_GTK | |
| 272 gtk_widget_destroy(beval->balloonShell); | |
| 273 # else | |
| 274 XtDestroyWidget(beval->balloonShell); | |
| 275 # endif | |
| 276 vim_free(beval); | |
| 277 } | |
| 278 #endif | |
| 279 | |
| 280 void | |
| 281 gui_mch_enable_beval_area(beval) | |
| 282 BalloonEval *beval; | |
| 283 { | |
| 284 if (beval != NULL) | |
| 285 addEventHandler(beval->target, beval); | |
| 286 } | |
| 287 | |
| 288 void | |
| 289 gui_mch_disable_beval_area(beval) | |
| 290 BalloonEval *beval; | |
| 291 { | |
| 292 if (beval != NULL) | |
| 293 removeEventHandler(beval); | |
| 294 } | |
| 295 | |
| 296 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 297 /* | |
| 298 * This function returns the BalloonEval * associated with the currently | |
| 299 * displayed tooltip. Returns NULL if there is no tooltip currently showing. | |
| 300 * | |
| 301 * Assumption: Only one tooltip can be shown at a time. | |
| 302 */ | |
| 303 BalloonEval * | |
| 304 gui_mch_currently_showing_beval() | |
| 305 { | |
| 306 return current_beval; | |
| 307 } | |
| 308 #endif | |
| 309 #endif /* !FEAT_GUI_W32 */ | |
| 310 | |
| 192 | 311 #if defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) \ |
| 312 || defined(FEAT_EVAL) || defined(PROTO) | |
| 7 | 313 /* |
| 314 * Get the text and position to be evaluated for "beval". | |
| 192 | 315 * If "getword" is true the returned text is not the whole line but the |
| 316 * relevant word in allocated memory. | |
| 7 | 317 * Returns OK or FAIL. |
| 318 */ | |
| 319 int | |
| 192 | 320 get_beval_info(beval, getword, winp, lnump, textp, colp) |
| 7 | 321 BalloonEval *beval; |
| 192 | 322 int getword; |
| 323 win_T **winp; | |
| 324 linenr_T *lnump; | |
| 325 char_u **textp; | |
| 326 int *colp; | |
| 7 | 327 { |
| 328 win_T *wp; | |
| 329 int row, col; | |
| 330 char_u *lbuf; | |
| 331 linenr_T lnum; | |
| 332 | |
| 192 | 333 *textp = NULL; |
| 7 | 334 row = Y_2_ROW(beval->y); |
| 335 col = X_2_COL(beval->x); | |
| 640 | 336 #ifdef FEAT_WINDOWS |
| 7 | 337 wp = mouse_find_win(&row, &col); |
| 640 | 338 #else |
| 339 wp = firstwin; | |
| 340 #endif | |
| 7 | 341 if (wp != NULL && row < wp->w_height && col < W_WIDTH(wp)) |
| 342 { | |
| 343 /* Found a window and the cursor is in the text. Now find the line | |
| 344 * number. */ | |
| 345 if (!mouse_comp_pos(wp, &row, &col, &lnum)) | |
| 346 { | |
| 347 /* Not past end of the file. */ | |
| 348 lbuf = ml_get_buf(wp->w_buffer, lnum, FALSE); | |
| 349 if (col <= win_linetabsize(wp, lbuf, (colnr_T)MAXCOL)) | |
| 350 { | |
| 351 /* Not past end of line. */ | |
| 192 | 352 if (getword) |
| 7 | 353 { |
| 354 /* For Netbeans we get the relevant part of the line | |
| 355 * instead of the whole line. */ | |
| 356 int len; | |
| 357 pos_T *spos = NULL, *epos = NULL; | |
| 358 | |
| 359 if (VIsual_active) | |
| 360 { | |
| 361 if (lt(VIsual, curwin->w_cursor)) | |
| 362 { | |
| 363 spos = &VIsual; | |
| 364 epos = &curwin->w_cursor; | |
| 365 } | |
| 366 else | |
| 367 { | |
| 368 spos = &curwin->w_cursor; | |
| 369 epos = &VIsual; | |
| 370 } | |
| 371 } | |
| 372 | |
| 3877 | 373 col = vcol2col(wp, lnum, col); |
| 7 | 374 |
| 375 if (VIsual_active | |
| 376 && wp->w_buffer == curwin->w_buffer | |
| 377 && (lnum == spos->lnum | |
| 378 ? col >= (int)spos->col | |
| 379 : lnum > spos->lnum) | |
| 380 && (lnum == epos->lnum | |
| 381 ? col <= (int)epos->col | |
| 382 : lnum < epos->lnum)) | |
| 383 { | |
| 384 /* Visual mode and pointing to the line with the | |
| 385 * Visual selection: return selected text, with a | |
| 386 * maximum of one line. */ | |
| 387 if (spos->lnum != epos->lnum || spos->col == epos->col) | |
| 388 return FAIL; | |
| 389 | |
| 390 lbuf = ml_get_buf(curwin->w_buffer, VIsual.lnum, FALSE); | |
| 3877 | 391 len = epos->col - spos->col; |
| 392 if (*p_sel != 'e') | |
| 393 len += MB_PTR2LEN(lbuf + epos->col); | |
| 394 lbuf = vim_strnsave(lbuf + spos->col, len); | |
| 7 | 395 lnum = spos->lnum; |
| 396 col = spos->col; | |
| 397 } | |
| 398 else | |
| 399 { | |
| 400 /* Find the word under the cursor. */ | |
| 401 ++emsg_off; | |
| 402 len = find_ident_at_pos(wp, lnum, (colnr_T)col, &lbuf, | |
| 403 FIND_IDENT + FIND_STRING + FIND_EVAL); | |
| 404 --emsg_off; | |
| 405 if (len == 0) | |
| 406 return FAIL; | |
| 407 lbuf = vim_strnsave(lbuf, len); | |
| 408 } | |
| 409 } | |
| 192 | 410 |
| 411 *winp = wp; | |
| 412 *lnump = lnum; | |
| 413 *textp = lbuf; | |
| 414 *colp = col; | |
| 7 | 415 beval->ts = wp->w_buffer->b_p_ts; |
| 416 return OK; | |
| 417 } | |
| 418 } | |
| 419 } | |
| 420 | |
| 421 return FAIL; | |
| 422 } | |
| 423 | |
| 424 # if !defined(FEAT_GUI_W32) || defined(PROTO) | |
| 425 | |
| 426 /* | |
| 427 * Show a balloon with "mesg". | |
| 428 */ | |
| 429 void | |
| 430 gui_mch_post_balloon(beval, mesg) | |
| 431 BalloonEval *beval; | |
| 432 char_u *mesg; | |
| 433 { | |
| 434 beval->msg = mesg; | |
| 435 if (mesg != NULL) | |
| 436 drawBalloon(beval); | |
| 437 else | |
| 438 undrawBalloon(beval); | |
| 439 } | |
| 440 # endif /* FEAT_GUI_W32 */ | |
| 441 #endif /* FEAT_SUN_WORKSHOP || FEAT_NETBEANS_INTG || PROTO */ | |
| 442 | |
| 443 #if !defined(FEAT_GUI_W32) || defined(PROTO) | |
| 444 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 445 /* | |
| 446 * Hide the given balloon. | |
| 447 */ | |
| 448 void | |
| 449 gui_mch_unpost_balloon(beval) | |
| 450 BalloonEval *beval; | |
| 451 { | |
| 452 undrawBalloon(beval); | |
| 453 } | |
| 454 #endif | |
| 455 | |
| 456 #ifdef FEAT_GUI_GTK | |
| 457 /* | |
| 458 * We can unconditionally use ANSI-style prototypes here since | |
| 459 * GTK+ requires an ANSI C compiler anyway. | |
| 460 */ | |
| 461 static void | |
| 462 addEventHandler(GtkWidget *target, BalloonEval *beval) | |
| 463 { | |
| 464 /* | |
| 465 * Connect to the generic "event" signal instead of the individual | |
| 466 * signals for each event type, because the former is emitted earlier. | |
| 467 * This allows us to catch events independently of the signal handlers | |
| 468 * in gui_gtk_x11.c. | |
| 469 */ | |
| 470 /* Should use GTK_OBJECT() here, but that causes a lint warning... */ | |
| 471 gtk_signal_connect((GtkObject*)(target), "event", | |
| 472 GTK_SIGNAL_FUNC(target_event_cb), | |
| 473 beval); | |
| 474 /* | |
| 475 * Nasty: Key press events go to the main window thus the drawing area | |
| 476 * will never see them. This means we have to connect to the main window | |
| 477 * as well in order to catch those events. | |
| 478 */ | |
| 479 if (gtk_socket_id == 0 && gui.mainwin != NULL | |
| 480 && gtk_widget_is_ancestor(target, gui.mainwin)) | |
| 481 { | |
| 482 gtk_signal_connect((GtkObject*)(gui.mainwin), "event", | |
| 483 GTK_SIGNAL_FUNC(mainwin_event_cb), | |
| 484 beval); | |
| 485 } | |
| 486 } | |
| 487 | |
| 488 static void | |
| 489 removeEventHandler(BalloonEval *beval) | |
| 490 { | |
| 137 | 491 /* LINTED: avoid warning: dubious operation on enum */ |
| 7 | 492 gtk_signal_disconnect_by_func((GtkObject*)(beval->target), |
| 493 GTK_SIGNAL_FUNC(target_event_cb), | |
| 494 beval); | |
| 495 | |
| 496 if (gtk_socket_id == 0 && gui.mainwin != NULL | |
| 497 && gtk_widget_is_ancestor(beval->target, gui.mainwin)) | |
| 498 { | |
| 137 | 499 /* LINTED: avoid warning: dubious operation on enum */ |
| 7 | 500 gtk_signal_disconnect_by_func((GtkObject*)(gui.mainwin), |
| 501 GTK_SIGNAL_FUNC(mainwin_event_cb), | |
| 502 beval); | |
| 503 } | |
| 504 } | |
| 505 | |
| 506 static gint | |
| 507 target_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data) | |
| 508 { | |
| 509 BalloonEval *beval = (BalloonEval *)data; | |
| 510 | |
| 511 switch (event->type) | |
| 512 { | |
| 513 case GDK_ENTER_NOTIFY: | |
| 514 pointer_event(beval, (int)event->crossing.x, | |
| 515 (int)event->crossing.y, | |
| 516 event->crossing.state); | |
| 517 break; | |
| 518 case GDK_MOTION_NOTIFY: | |
| 519 if (event->motion.is_hint) | |
| 520 { | |
| 521 int x; | |
| 522 int y; | |
| 523 GdkModifierType state; | |
| 524 /* | |
| 525 * GDK_POINTER_MOTION_HINT_MASK is set, thus we cannot obtain | |
| 526 * the coordinates from the GdkEventMotion struct directly. | |
| 527 */ | |
| 528 gdk_window_get_pointer(widget->window, &x, &y, &state); | |
| 529 pointer_event(beval, x, y, (unsigned int)state); | |
| 530 } | |
| 531 else | |
| 532 { | |
| 533 pointer_event(beval, (int)event->motion.x, | |
| 534 (int)event->motion.y, | |
| 535 event->motion.state); | |
| 536 } | |
| 537 break; | |
| 538 case GDK_LEAVE_NOTIFY: | |
| 539 /* | |
| 540 * Ignore LeaveNotify events that are not "normal". | |
| 541 * Apparently we also get it when somebody else grabs focus. | |
| 542 */ | |
| 543 if (event->crossing.mode == GDK_CROSSING_NORMAL) | |
| 544 cancelBalloon(beval); | |
| 545 break; | |
| 546 case GDK_BUTTON_PRESS: | |
| 547 case GDK_SCROLL: | |
| 548 cancelBalloon(beval); | |
| 549 break; | |
| 550 case GDK_KEY_PRESS: | |
| 551 key_event(beval, event->key.keyval, TRUE); | |
| 552 break; | |
| 553 case GDK_KEY_RELEASE: | |
| 554 key_event(beval, event->key.keyval, FALSE); | |
| 555 break; | |
| 556 default: | |
| 557 break; | |
| 558 } | |
| 559 | |
| 560 return FALSE; /* continue emission */ | |
| 561 } | |
| 562 | |
| 563 static gint | |
| 1884 | 564 mainwin_event_cb(GtkWidget *widget UNUSED, GdkEvent *event, gpointer data) |
| 7 | 565 { |
| 566 BalloonEval *beval = (BalloonEval *)data; | |
| 567 | |
| 568 switch (event->type) | |
| 569 { | |
| 570 case GDK_KEY_PRESS: | |
| 571 key_event(beval, event->key.keyval, TRUE); | |
| 572 break; | |
| 573 case GDK_KEY_RELEASE: | |
| 574 key_event(beval, event->key.keyval, FALSE); | |
| 575 break; | |
| 576 default: | |
| 577 break; | |
| 578 } | |
| 579 | |
| 580 return FALSE; /* continue emission */ | |
| 581 } | |
| 582 | |
| 583 static void | |
| 584 pointer_event(BalloonEval *beval, int x, int y, unsigned state) | |
| 585 { | |
| 586 int distance; | |
| 587 | |
| 588 distance = ABS(x - beval->x) + ABS(y - beval->y); | |
| 589 | |
| 590 if (distance > 4) | |
| 591 { | |
| 592 /* | |
| 593 * Moved out of the balloon location: cancel it. | |
| 594 * Remember button state | |
| 595 */ | |
| 596 beval->state = state; | |
| 597 cancelBalloon(beval); | |
| 598 | |
| 599 /* Mouse buttons are pressed - no balloon now */ | |
| 600 if (!(state & ((int)GDK_BUTTON1_MASK | (int)GDK_BUTTON2_MASK | |
| 601 | (int)GDK_BUTTON3_MASK))) | |
| 602 { | |
| 603 beval->x = x; | |
| 604 beval->y = y; | |
| 605 | |
| 606 if (state & (int)GDK_MOD1_MASK) | |
| 607 { | |
| 608 /* | |
| 609 * Alt is pressed -- enter super-evaluate-mode, | |
| 610 * where there is no time delay | |
| 611 */ | |
| 612 if (beval->msgCB != NULL) | |
| 613 { | |
| 614 beval->showState = ShS_PENDING; | |
| 615 (*beval->msgCB)(beval, state); | |
| 616 } | |
| 617 } | |
| 618 else | |
| 619 { | |
| 620 beval->timerID = gtk_timeout_add((guint32)p_bdlay, | |
| 621 &timeout_cb, beval); | |
| 622 } | |
| 623 } | |
| 624 } | |
| 625 } | |
| 626 | |
| 627 static void | |
| 628 key_event(BalloonEval *beval, unsigned keyval, int is_keypress) | |
| 629 { | |
| 630 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 631 { | |
| 632 switch (keyval) | |
| 633 { | |
| 634 case GDK_Shift_L: | |
| 635 case GDK_Shift_R: | |
| 636 beval->showState = ShS_UPDATE_PENDING; | |
| 637 (*beval->msgCB)(beval, (is_keypress) | |
| 638 ? (int)GDK_SHIFT_MASK : 0); | |
| 639 break; | |
| 640 case GDK_Control_L: | |
| 641 case GDK_Control_R: | |
| 642 beval->showState = ShS_UPDATE_PENDING; | |
| 643 (*beval->msgCB)(beval, (is_keypress) | |
| 644 ? (int)GDK_CONTROL_MASK : 0); | |
| 645 break; | |
| 646 default: | |
| 667 | 647 /* Don't do this for key release, we apparently get these with |
| 648 * focus changes in some GTK version. */ | |
| 649 if (is_keypress) | |
| 650 cancelBalloon(beval); | |
| 7 | 651 break; |
| 652 } | |
| 653 } | |
| 654 else | |
| 655 cancelBalloon(beval); | |
| 656 } | |
| 657 | |
| 658 static gint | |
| 659 timeout_cb(gpointer data) | |
| 660 { | |
| 661 BalloonEval *beval = (BalloonEval *)data; | |
| 662 | |
| 663 beval->timerID = 0; | |
| 664 /* | |
| 665 * If the timer event happens then the mouse has stopped long enough for | |
| 666 * a request to be started. The request will only send to the debugger if | |
| 667 * there the mouse is pointing at real data. | |
| 668 */ | |
| 669 requestBalloon(beval); | |
| 670 | |
| 671 return FALSE; /* don't call me again */ | |
| 672 } | |
| 673 | |
| 674 static gint | |
| 1884 | 675 balloon_expose_event_cb(GtkWidget *widget, |
| 676 GdkEventExpose *event, | |
| 677 gpointer data UNUSED) | |
| 7 | 678 { |
| 679 gtk_paint_flat_box(widget->style, widget->window, | |
| 680 GTK_STATE_NORMAL, GTK_SHADOW_OUT, | |
| 681 &event->area, widget, "tooltip", | |
| 682 0, 0, -1, -1); | |
| 683 | |
| 684 return FALSE; /* continue emission */ | |
| 685 } | |
| 686 | |
| 687 #else /* !FEAT_GUI_GTK */ | |
| 688 | |
| 689 static void | |
| 690 addEventHandler(target, beval) | |
| 691 Widget target; | |
| 692 BalloonEval *beval; | |
| 693 { | |
| 694 XtAddEventHandler(target, | |
| 695 PointerMotionMask | EnterWindowMask | | |
| 696 LeaveWindowMask | ButtonPressMask | KeyPressMask | | |
| 697 KeyReleaseMask, | |
| 698 False, | |
| 699 pointerEventEH, (XtPointer)beval); | |
| 700 } | |
| 701 | |
| 702 static void | |
| 703 removeEventHandler(beval) | |
| 704 BalloonEval *beval; | |
| 705 { | |
| 706 XtRemoveEventHandler(beval->target, | |
| 707 PointerMotionMask | EnterWindowMask | | |
| 708 LeaveWindowMask | ButtonPressMask | KeyPressMask | | |
| 709 KeyReleaseMask, | |
| 710 False, | |
| 711 pointerEventEH, (XtPointer)beval); | |
| 712 } | |
| 713 | |
| 714 | |
| 715 /* | |
| 716 * The X event handler. All it does is call the real event handler. | |
| 717 */ | |
| 718 static void | |
| 719 pointerEventEH(w, client_data, event, unused) | |
| 1887 | 720 Widget w UNUSED; |
| 7 | 721 XtPointer client_data; |
| 722 XEvent *event; | |
| 1887 | 723 Boolean *unused UNUSED; |
| 7 | 724 { |
| 725 BalloonEval *beval = (BalloonEval *)client_data; | |
| 726 pointerEvent(beval, event); | |
| 727 } | |
| 728 | |
| 729 | |
| 730 /* | |
| 731 * The real event handler. Called by pointerEventEH() whenever an event we are | |
| 1228 | 732 * interested in occurs. |
| 7 | 733 */ |
| 734 | |
| 735 static void | |
| 736 pointerEvent(beval, event) | |
| 737 BalloonEval *beval; | |
| 738 XEvent *event; | |
| 739 { | |
| 4352 | 740 Position distance; /* a measure of how much the pointer moved */ |
| 7 | 741 Position delta; /* used to compute distance */ |
| 742 | |
| 743 switch (event->type) | |
| 744 { | |
| 745 case EnterNotify: | |
| 746 case MotionNotify: | |
| 747 delta = event->xmotion.x - beval->x; | |
| 748 if (delta < 0) | |
| 749 delta = -delta; | |
| 750 distance = delta; | |
| 751 delta = event->xmotion.y - beval->y; | |
| 752 if (delta < 0) | |
| 753 delta = -delta; | |
| 754 distance += delta; | |
| 755 if (distance > 4) | |
| 756 { | |
| 757 /* | |
| 758 * Moved out of the balloon location: cancel it. | |
| 759 * Remember button state | |
| 760 */ | |
| 761 beval->state = event->xmotion.state; | |
| 762 if (beval->state & (Button1Mask|Button2Mask|Button3Mask)) | |
| 763 { | |
| 764 /* Mouse buttons are pressed - no balloon now */ | |
| 765 cancelBalloon(beval); | |
| 766 } | |
| 767 else if (beval->state & (Mod1Mask|Mod2Mask|Mod3Mask)) | |
| 768 { | |
| 769 /* | |
| 770 * Alt is pressed -- enter super-evaluate-mode, | |
| 771 * where there is no time delay | |
| 772 */ | |
| 773 beval->x = event->xmotion.x; | |
| 774 beval->y = event->xmotion.y; | |
| 775 beval->x_root = event->xmotion.x_root; | |
| 776 beval->y_root = event->xmotion.y_root; | |
| 777 cancelBalloon(beval); | |
| 778 if (beval->msgCB != NULL) | |
| 779 { | |
| 780 beval->showState = ShS_PENDING; | |
| 781 (*beval->msgCB)(beval, beval->state); | |
| 782 } | |
| 783 } | |
| 784 else | |
| 785 { | |
| 786 beval->x = event->xmotion.x; | |
| 787 beval->y = event->xmotion.y; | |
| 788 beval->x_root = event->xmotion.x_root; | |
| 789 beval->y_root = event->xmotion.y_root; | |
| 790 cancelBalloon(beval); | |
| 791 beval->timerID = XtAppAddTimeOut( beval->appContext, | |
| 792 (long_u)p_bdlay, timerRoutine, beval); | |
| 793 } | |
| 794 } | |
| 795 break; | |
| 796 | |
| 797 /* | |
| 798 * Motif and Athena version: Keystrokes will be caught by the | |
| 799 * "textArea" widget, and handled in gui_x11_key_hit_cb(). | |
| 800 */ | |
| 801 case KeyPress: | |
| 802 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 803 { | |
| 804 Modifiers modifier; | |
| 805 KeySym keysym; | |
| 806 | |
| 807 XtTranslateKeycode(gui.dpy, | |
| 808 event->xkey.keycode, event->xkey.state, | |
| 809 &modifier, &keysym); | |
| 810 if (keysym == XK_Shift_L || keysym == XK_Shift_R) | |
| 811 { | |
| 812 beval->showState = ShS_UPDATE_PENDING; | |
| 813 (*beval->msgCB)(beval, ShiftMask); | |
| 814 } | |
| 815 else if (keysym == XK_Control_L || keysym == XK_Control_R) | |
| 816 { | |
| 817 beval->showState = ShS_UPDATE_PENDING; | |
| 818 (*beval->msgCB)(beval, ControlMask); | |
| 819 } | |
| 820 else | |
| 821 cancelBalloon(beval); | |
| 822 } | |
| 823 else | |
| 824 cancelBalloon(beval); | |
| 825 break; | |
| 826 | |
| 827 case KeyRelease: | |
| 828 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 829 { | |
| 830 Modifiers modifier; | |
| 831 KeySym keysym; | |
| 832 | |
| 833 XtTranslateKeycode(gui.dpy, event->xkey.keycode, | |
| 834 event->xkey.state, &modifier, &keysym); | |
| 835 if ((keysym == XK_Shift_L) || (keysym == XK_Shift_R)) { | |
| 836 beval->showState = ShS_UPDATE_PENDING; | |
| 837 (*beval->msgCB)(beval, 0); | |
| 838 } | |
| 839 else if ((keysym == XK_Control_L) || (keysym == XK_Control_R)) | |
| 840 { | |
| 841 beval->showState = ShS_UPDATE_PENDING; | |
| 842 (*beval->msgCB)(beval, 0); | |
| 843 } | |
| 844 else | |
| 845 cancelBalloon(beval); | |
| 846 } | |
| 847 else | |
| 848 cancelBalloon(beval); | |
| 849 break; | |
| 850 | |
| 851 case LeaveNotify: | |
| 852 /* Ignore LeaveNotify events that are not "normal". | |
| 853 * Apparently we also get it when somebody else grabs focus. | |
| 854 * Happens for me every two seconds (some clipboard tool?) */ | |
| 855 if (event->xcrossing.mode == NotifyNormal) | |
| 856 cancelBalloon(beval); | |
| 857 break; | |
| 858 | |
| 859 case ButtonPress: | |
| 860 cancelBalloon(beval); | |
| 861 break; | |
| 862 | |
| 863 default: | |
| 864 break; | |
| 865 } | |
| 866 } | |
| 867 | |
| 868 static void | |
| 869 timerRoutine(dx, id) | |
| 870 XtPointer dx; | |
| 1887 | 871 XtIntervalId *id UNUSED; |
| 7 | 872 { |
| 873 BalloonEval *beval = (BalloonEval *)dx; | |
| 874 | |
| 875 beval->timerID = (XtIntervalId)NULL; | |
| 876 | |
| 877 /* | |
| 878 * If the timer event happens then the mouse has stopped long enough for | |
| 879 * a request to be started. The request will only send to the debugger if | |
| 880 * there the mouse is pointing at real data. | |
| 881 */ | |
| 882 requestBalloon(beval); | |
| 883 } | |
| 884 | |
| 885 #endif /* !FEAT_GUI_GTK */ | |
| 886 | |
| 887 static void | |
| 888 requestBalloon(beval) | |
| 889 BalloonEval *beval; | |
| 890 { | |
| 891 if (beval->showState != ShS_PENDING) | |
| 892 { | |
| 893 /* Determine the beval to display */ | |
| 894 if (beval->msgCB != NULL) | |
| 895 { | |
| 896 beval->showState = ShS_PENDING; | |
| 897 (*beval->msgCB)(beval, beval->state); | |
| 898 } | |
| 899 else if (beval->msg != NULL) | |
| 900 drawBalloon(beval); | |
| 901 } | |
| 902 } | |
| 903 | |
| 904 #ifdef FEAT_GUI_GTK | |
| 905 /* | |
| 906 * Convert the string to UTF-8 if 'encoding' is not "utf-8". | |
| 907 * Replace any non-printable characters and invalid bytes sequences with | |
| 908 * "^X" or "<xx>" escapes, and apply SpecialKey highlighting to them. | |
| 909 * TAB and NL are passed through unscathed. | |
| 910 */ | |
|
2275
e4d849f4df03
Remove the old and not well supported GTK 1 code. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2251
diff
changeset
|
911 # define IS_NONPRINTABLE(c) (((c) < 0x20 && (c) != TAB && (c) != NL) \ |
| 7 | 912 || (c) == DEL) |
| 913 static void | |
| 944 | 914 set_printable_label_text(GtkLabel *label, char_u *text) |
| 7 | 915 { |
| 916 char_u *convbuf = NULL; | |
| 917 char_u *buf; | |
| 918 char_u *p; | |
| 919 char_u *pdest; | |
| 920 unsigned int len; | |
| 921 int charlen; | |
| 922 int uc; | |
| 923 PangoAttrList *attr_list; | |
| 924 | |
| 925 /* Convert to UTF-8 if it isn't already */ | |
| 926 if (output_conv.vc_type != CONV_NONE) | |
| 927 { | |
| 944 | 928 convbuf = string_convert(&output_conv, text, NULL); |
| 7 | 929 if (convbuf != NULL) |
| 944 | 930 text = convbuf; |
| 7 | 931 } |
| 932 | |
| 933 /* First let's see how much we need to allocate */ | |
| 934 len = 0; | |
| 944 | 935 for (p = text; *p != NUL; p += charlen) |
| 7 | 936 { |
| 937 if ((*p & 0x80) == 0) /* be quick for ASCII */ | |
| 938 { | |
| 939 charlen = 1; | |
| 940 len += IS_NONPRINTABLE(*p) ? 2 : 1; /* nonprintable: ^X */ | |
| 941 } | |
| 942 else | |
| 943 { | |
| 474 | 944 charlen = utf_ptr2len(p); |
| 7 | 945 uc = utf_ptr2char(p); |
| 946 | |
| 947 if (charlen != utf_char2len(uc)) | |
| 948 charlen = 1; /* reject overlong sequences */ | |
| 949 | |
| 950 if (charlen == 1 || uc < 0xa0) /* illegal byte or */ | |
| 951 len += 4; /* control char: <xx> */ | |
| 952 else if (!utf_printable(uc)) | |
| 953 /* Note: we assume here that utf_printable() doesn't | |
| 954 * care about characters outside the BMP. */ | |
| 955 len += 6; /* nonprintable: <xxxx> */ | |
| 956 else | |
| 957 len += charlen; | |
| 958 } | |
| 959 } | |
| 960 | |
| 961 attr_list = pango_attr_list_new(); | |
| 962 buf = alloc(len + 1); | |
| 963 | |
| 964 /* Now go for the real work */ | |
| 965 if (buf != NULL) | |
| 966 { | |
| 967 attrentry_T *aep; | |
| 968 PangoAttribute *attr; | |
| 969 guicolor_T pixel; | |
| 970 GdkColor color = { 0, 0, 0, 0 }; | |
| 971 | |
| 972 /* Look up the RGB values of the SpecialKey foreground color. */ | |
| 973 aep = syn_gui_attr2entry(hl_attr(HLF_8)); | |
| 974 pixel = (aep != NULL) ? aep->ae_u.gui.fg_color : INVALCOLOR; | |
| 975 if (pixel != INVALCOLOR) | |
| 976 gdk_colormap_query_color(gtk_widget_get_colormap(gui.drawarea), | |
| 977 (unsigned long)pixel, &color); | |
| 978 | |
| 979 pdest = buf; | |
| 944 | 980 p = text; |
| 7 | 981 while (*p != NUL) |
| 982 { | |
| 983 /* Be quick for ASCII */ | |
| 984 if ((*p & 0x80) == 0 && !IS_NONPRINTABLE(*p)) | |
| 985 { | |
| 986 *pdest++ = *p++; | |
| 987 } | |
| 988 else | |
| 989 { | |
| 474 | 990 charlen = utf_ptr2len(p); |
| 7 | 991 uc = utf_ptr2char(p); |
| 992 | |
| 993 if (charlen != utf_char2len(uc)) | |
| 994 charlen = 1; /* reject overlong sequences */ | |
| 995 | |
| 996 if (charlen == 1 || uc < 0xa0 || !utf_printable(uc)) | |
| 997 { | |
| 998 int outlen; | |
| 999 | |
| 1000 /* Careful: we can't just use transchar_byte() here, | |
| 1001 * since 'encoding' is not necessarily set to "utf-8". */ | |
| 1002 if (*p & 0x80 && charlen == 1) | |
| 1003 { | |
| 1004 transchar_hex(pdest, *p); /* <xx> */ | |
| 1005 outlen = 4; | |
| 1006 } | |
| 1007 else if (uc >= 0x80) | |
| 1008 { | |
| 1009 /* Note: we assume here that utf_printable() doesn't | |
| 1010 * care about characters outside the BMP. */ | |
| 1011 transchar_hex(pdest, uc); /* <xx> or <xxxx> */ | |
| 1012 outlen = (uc < 0x100) ? 4 : 6; | |
| 1013 } | |
| 1014 else | |
| 1015 { | |
| 1016 transchar_nonprint(pdest, *p); /* ^X */ | |
| 1017 outlen = 2; | |
| 1018 } | |
| 1019 if (pixel != INVALCOLOR) | |
| 1020 { | |
| 1021 attr = pango_attr_foreground_new( | |
| 1022 color.red, color.green, color.blue); | |
| 1023 attr->start_index = pdest - buf; | |
| 1024 attr->end_index = pdest - buf + outlen; | |
| 1025 pango_attr_list_insert(attr_list, attr); | |
| 1026 } | |
| 1027 pdest += outlen; | |
| 1028 p += charlen; | |
| 1029 } | |
| 1030 else | |
| 1031 { | |
| 1032 do | |
| 1033 *pdest++ = *p++; | |
| 1034 while (--charlen != 0); | |
| 1035 } | |
| 1036 } | |
| 1037 } | |
| 1038 *pdest = NUL; | |
| 1039 } | |
| 1040 | |
| 1041 vim_free(convbuf); | |
| 1042 | |
| 1043 gtk_label_set_text(label, (const char *)buf); | |
| 1044 vim_free(buf); | |
| 1045 | |
| 1046 gtk_label_set_attributes(label, attr_list); | |
| 1047 pango_attr_list_unref(attr_list); | |
| 1048 } | |
|
2275
e4d849f4df03
Remove the old and not well supported GTK 1 code. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2251
diff
changeset
|
1049 # undef IS_NONPRINTABLE |
| 7 | 1050 |
| 1051 /* | |
| 1052 * Draw a balloon. | |
| 1053 */ | |
| 1054 static void | |
| 1055 drawBalloon(BalloonEval *beval) | |
| 1056 { | |
| 1057 if (beval->msg != NULL) | |
| 1058 { | |
| 1059 GtkRequisition requisition; | |
| 1060 int screen_w; | |
| 1061 int screen_h; | |
| 1062 int x; | |
| 1063 int y; | |
| 1064 int x_offset = EVAL_OFFSET_X; | |
| 1065 int y_offset = EVAL_OFFSET_Y; | |
| 1066 PangoLayout *layout; | |
| 1067 # ifdef HAVE_GTK_MULTIHEAD | |
| 1068 GdkScreen *screen; | |
| 1069 | |
| 1070 screen = gtk_widget_get_screen(beval->target); | |
| 1071 gtk_window_set_screen(GTK_WINDOW(beval->balloonShell), screen); | |
| 1072 screen_w = gdk_screen_get_width(screen); | |
| 1073 screen_h = gdk_screen_get_height(screen); | |
| 1074 # else | |
| 1075 screen_w = gdk_screen_width(); | |
| 1076 screen_h = gdk_screen_height(); | |
| 1077 # endif | |
| 1078 gtk_widget_ensure_style(beval->balloonShell); | |
| 1079 gtk_widget_ensure_style(beval->balloonLabel); | |
| 1080 | |
| 1081 set_printable_label_text(GTK_LABEL(beval->balloonLabel), beval->msg); | |
| 1082 /* | |
| 1083 * Dirty trick: Enable wrapping mode on the label's layout behind its | |
| 1084 * back. This way GtkLabel won't try to constrain the wrap width to a | |
| 1085 * builtin maximum value of about 65 Latin characters. | |
| 1086 */ | |
| 1087 layout = gtk_label_get_layout(GTK_LABEL(beval->balloonLabel)); | |
|
2275
e4d849f4df03
Remove the old and not well supported GTK 1 code. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2251
diff
changeset
|
1088 # ifdef PANGO_WRAP_WORD_CHAR |
| 7 | 1089 pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR); |
|
2275
e4d849f4df03
Remove the old and not well supported GTK 1 code. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2251
diff
changeset
|
1090 # else |
| 7 | 1091 pango_layout_set_wrap(layout, PANGO_WRAP_WORD); |
|
2275
e4d849f4df03
Remove the old and not well supported GTK 1 code. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2251
diff
changeset
|
1092 # endif |
| 7 | 1093 pango_layout_set_width(layout, |
| 1094 /* try to come up with some reasonable width */ | |
| 1095 PANGO_SCALE * CLAMP(gui.num_cols * gui.char_width, | |
| 1096 screen_w / 2, | |
| 1097 MAX(20, screen_w - 20))); | |
| 1098 | |
| 1099 /* Calculate the balloon's width and height. */ | |
| 1100 gtk_widget_size_request(beval->balloonShell, &requisition); | |
| 1101 | |
| 1102 /* Compute position of the balloon area */ | |
| 1103 gdk_window_get_origin(beval->target->window, &x, &y); | |
| 1104 x += beval->x; | |
| 1105 y += beval->y; | |
| 1106 | |
| 1107 /* Get out of the way of the mouse pointer */ | |
| 1108 if (x + x_offset + requisition.width > screen_w) | |
| 1109 y_offset += 15; | |
| 1110 if (y + y_offset + requisition.height > screen_h) | |
| 1111 y_offset = -requisition.height - EVAL_OFFSET_Y; | |
| 1112 | |
| 1113 /* Sanitize values */ | |
| 1114 x = CLAMP(x + x_offset, 0, MAX(0, screen_w - requisition.width)); | |
| 1115 y = CLAMP(y + y_offset, 0, MAX(0, screen_h - requisition.height)); | |
| 1116 | |
| 1117 /* Show the balloon */ | |
| 1118 gtk_widget_set_uposition(beval->balloonShell, x, y); | |
| 1119 gtk_widget_show(beval->balloonShell); | |
| 1120 | |
| 1121 beval->showState = ShS_SHOWING; | |
| 1122 } | |
| 1123 } | |
| 1124 | |
| 1125 /* | |
| 1126 * Undraw a balloon. | |
| 1127 */ | |
| 1128 static void | |
| 1129 undrawBalloon(BalloonEval *beval) | |
| 1130 { | |
| 1131 if (beval->balloonShell != NULL) | |
| 1132 gtk_widget_hide(beval->balloonShell); | |
| 1133 beval->showState = ShS_NEUTRAL; | |
| 1134 } | |
| 1135 | |
| 1136 static void | |
| 1137 cancelBalloon(BalloonEval *beval) | |
| 1138 { | |
| 1139 if (beval->showState == ShS_SHOWING | |
| 1140 || beval->showState == ShS_UPDATE_PENDING) | |
| 1141 undrawBalloon(beval); | |
| 1142 | |
| 1143 if (beval->timerID != 0) | |
| 1144 { | |
| 1145 gtk_timeout_remove(beval->timerID); | |
| 1146 beval->timerID = 0; | |
| 1147 } | |
| 1148 beval->showState = ShS_NEUTRAL; | |
| 1149 } | |
| 1150 | |
| 1151 static void | |
| 1152 createBalloonEvalWindow(BalloonEval *beval) | |
| 1153 { | |
| 1154 beval->balloonShell = gtk_window_new(GTK_WINDOW_POPUP); | |
| 1155 | |
| 1156 gtk_widget_set_app_paintable(beval->balloonShell, TRUE); | |
| 1157 gtk_window_set_policy(GTK_WINDOW(beval->balloonShell), FALSE, FALSE, TRUE); | |
| 1158 gtk_widget_set_name(beval->balloonShell, "gtk-tooltips"); | |
| 1159 gtk_container_border_width(GTK_CONTAINER(beval->balloonShell), 4); | |
| 1160 | |
| 1161 gtk_signal_connect((GtkObject*)(beval->balloonShell), "expose_event", | |
| 1162 GTK_SIGNAL_FUNC(balloon_expose_event_cb), NULL); | |
| 1163 beval->balloonLabel = gtk_label_new(NULL); | |
| 1164 | |
| 1165 gtk_label_set_line_wrap(GTK_LABEL(beval->balloonLabel), FALSE); | |
| 1166 gtk_label_set_justify(GTK_LABEL(beval->balloonLabel), GTK_JUSTIFY_LEFT); | |
| 1167 gtk_misc_set_alignment(GTK_MISC(beval->balloonLabel), 0.5f, 0.5f); | |
| 1168 gtk_widget_set_name(beval->balloonLabel, "vim-balloon-label"); | |
| 1169 gtk_widget_show(beval->balloonLabel); | |
| 1170 | |
| 1171 gtk_container_add(GTK_CONTAINER(beval->balloonShell), beval->balloonLabel); | |
| 1172 } | |
| 1173 | |
| 1174 #else /* !FEAT_GUI_GTK */ | |
| 1175 | |
| 1176 /* | |
| 1177 * Draw a balloon. | |
| 1178 */ | |
| 1179 static void | |
| 1180 drawBalloon(beval) | |
| 1181 BalloonEval *beval; | |
| 1182 { | |
| 1183 Dimension w; | |
| 1184 Dimension h; | |
| 1185 Position tx; | |
| 1186 Position ty; | |
| 1187 | |
| 1188 if (beval->msg != NULL) | |
| 1189 { | |
| 1190 /* Show the Balloon */ | |
| 1191 | |
| 1192 /* Calculate the label's width and height */ | |
| 1193 #ifdef FEAT_GUI_MOTIF | |
| 1194 XmString s; | |
| 1195 | |
| 1196 /* For the callback function we parse NL characters to create a | |
| 1197 * multi-line label. This doesn't work for all languages, but | |
| 1198 * XmStringCreateLocalized() doesn't do multi-line labels... */ | |
| 1199 if (beval->msgCB != NULL) | |
| 1200 s = XmStringCreateLtoR((char *)beval->msg, XmFONTLIST_DEFAULT_TAG); | |
| 1201 else | |
| 1202 s = XmStringCreateLocalized((char *)beval->msg); | |
| 1203 { | |
| 1204 XmFontList fl; | |
| 1205 | |
| 1206 fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset); | |
| 6003 | 1207 if (fl == NULL) |
| 7 | 1208 { |
| 6003 | 1209 XmStringFree(s); |
| 1210 return; | |
| 7 | 1211 } |
| 6003 | 1212 XmStringExtent(fl, s, &w, &h); |
| 1213 XmFontListFree(fl); | |
| 7 | 1214 } |
| 1215 w += gui.border_offset << 1; | |
| 1216 h += gui.border_offset << 1; | |
| 1217 XtVaSetValues(beval->balloonLabel, XmNlabelString, s, NULL); | |
| 1218 XmStringFree(s); | |
| 1219 #else /* Athena */ | |
| 1220 /* Assume XtNinternational == True */ | |
| 1221 XFontSet fset; | |
| 1222 XFontSetExtents *ext; | |
| 1223 | |
| 1224 XtVaGetValues(beval->balloonLabel, XtNfontSet, &fset, NULL); | |
| 1225 ext = XExtentsOfFontSet(fset); | |
| 1226 h = ext->max_ink_extent.height; | |
| 1227 w = XmbTextEscapement(fset, | |
| 1228 (char *)beval->msg, | |
| 1229 (int)STRLEN(beval->msg)); | |
| 1230 w += gui.border_offset << 1; | |
| 1231 h += gui.border_offset << 1; | |
| 1232 XtVaSetValues(beval->balloonLabel, XtNlabel, beval->msg, NULL); | |
| 1233 #endif | |
| 1234 | |
| 1235 /* Compute position of the balloon area */ | |
| 1236 tx = beval->x_root + EVAL_OFFSET_X; | |
| 1237 ty = beval->y_root + EVAL_OFFSET_Y; | |
| 1238 if ((tx + w) > beval->screen_width) | |
| 1239 tx = beval->screen_width - w; | |
| 1240 if ((ty + h) > beval->screen_height) | |
| 1241 ty = beval->screen_height - h; | |
| 1242 #ifdef FEAT_GUI_MOTIF | |
| 1243 XtVaSetValues(beval->balloonShell, | |
| 1244 XmNx, tx, | |
| 1245 XmNy, ty, | |
| 1246 NULL); | |
| 1247 #else | |
| 1248 /* Athena */ | |
| 1249 XtVaSetValues(beval->balloonShell, | |
| 1250 XtNx, tx, | |
| 1251 XtNy, ty, | |
| 1252 NULL); | |
| 1253 #endif | |
| 1844 | 1254 /* Set tooltip colors */ |
| 1255 { | |
| 1256 Arg args[2]; | |
| 1257 | |
| 1258 #ifdef FEAT_GUI_MOTIF | |
| 1259 args[0].name = XmNbackground; | |
| 1260 args[0].value = gui.tooltip_bg_pixel; | |
| 1261 args[1].name = XmNforeground; | |
| 1262 args[1].value = gui.tooltip_fg_pixel; | |
| 1263 #else /* Athena */ | |
| 1264 args[0].name = XtNbackground; | |
| 1265 args[0].value = gui.tooltip_bg_pixel; | |
| 1266 args[1].name = XtNforeground; | |
| 1267 args[1].value = gui.tooltip_fg_pixel; | |
| 1268 #endif | |
| 1269 XtSetValues(beval->balloonLabel, &args[0], XtNumber(args)); | |
| 1270 } | |
| 7 | 1271 |
| 1272 XtPopup(beval->balloonShell, XtGrabNone); | |
| 1273 | |
| 1274 beval->showState = ShS_SHOWING; | |
| 1275 | |
| 1276 current_beval = beval; | |
| 1277 } | |
| 1278 } | |
| 1279 | |
| 1280 /* | |
| 1281 * Undraw a balloon. | |
| 1282 */ | |
| 1283 static void | |
| 1284 undrawBalloon(beval) | |
| 1285 BalloonEval *beval; | |
| 1286 { | |
| 1287 if (beval->balloonShell != (Widget)0) | |
| 1288 XtPopdown(beval->balloonShell); | |
| 1289 beval->showState = ShS_NEUTRAL; | |
| 1290 | |
| 1291 current_beval = NULL; | |
| 1292 } | |
| 1293 | |
| 1294 static void | |
| 1295 cancelBalloon(beval) | |
| 1296 BalloonEval *beval; | |
| 1297 { | |
| 1298 if (beval->showState == ShS_SHOWING | |
| 1299 || beval->showState == ShS_UPDATE_PENDING) | |
| 1300 undrawBalloon(beval); | |
| 1301 | |
| 1302 if (beval->timerID != (XtIntervalId)NULL) | |
| 1303 { | |
| 1304 XtRemoveTimeOut(beval->timerID); | |
| 1305 beval->timerID = (XtIntervalId)NULL; | |
| 1306 } | |
| 1307 beval->showState = ShS_NEUTRAL; | |
| 1308 } | |
| 1309 | |
| 1310 | |
| 1311 static void | |
| 1312 createBalloonEvalWindow(beval) | |
| 1313 BalloonEval *beval; | |
| 1314 { | |
| 1315 Arg args[12]; | |
| 1316 int n; | |
| 1317 | |
| 1318 n = 0; | |
| 1319 #ifdef FEAT_GUI_MOTIF | |
| 1320 XtSetArg(args[n], XmNallowShellResize, True); n++; | |
| 1321 beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval", | |
| 1322 overrideShellWidgetClass, gui.dpy, args, n); | |
| 1323 #else | |
| 1324 /* Athena */ | |
| 1325 XtSetArg(args[n], XtNallowShellResize, True); n++; | |
| 1326 beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval", | |
| 1327 overrideShellWidgetClass, gui.dpy, args, n); | |
| 1328 #endif | |
| 1329 | |
| 1330 n = 0; | |
| 1331 #ifdef FEAT_GUI_MOTIF | |
| 1332 { | |
| 1333 XmFontList fl; | |
| 1334 | |
| 1335 fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset); | |
| 1336 XtSetArg(args[n], XmNforeground, gui.tooltip_fg_pixel); n++; | |
| 1337 XtSetArg(args[n], XmNbackground, gui.tooltip_bg_pixel); n++; | |
| 1338 XtSetArg(args[n], XmNfontList, fl); n++; | |
| 1339 XtSetArg(args[n], XmNalignment, XmALIGNMENT_BEGINNING); n++; | |
| 1340 beval->balloonLabel = XtCreateManagedWidget("balloonLabel", | |
| 1341 xmLabelWidgetClass, beval->balloonShell, args, n); | |
| 1342 } | |
| 1343 #else /* FEAT_GUI_ATHENA */ | |
| 1344 XtSetArg(args[n], XtNforeground, gui.tooltip_fg_pixel); n++; | |
| 1345 XtSetArg(args[n], XtNbackground, gui.tooltip_bg_pixel); n++; | |
| 1346 XtSetArg(args[n], XtNinternational, True); n++; | |
| 1347 XtSetArg(args[n], XtNfontSet, gui.tooltip_fontset); n++; | |
| 1348 beval->balloonLabel = XtCreateManagedWidget("balloonLabel", | |
| 1349 labelWidgetClass, beval->balloonShell, args, n); | |
| 1350 #endif | |
| 1351 } | |
| 1352 | |
| 1353 #endif /* !FEAT_GUI_GTK */ | |
| 1354 #endif /* !FEAT_GUI_W32 */ | |
| 1355 | |
| 1356 #endif /* FEAT_BEVAL */ |