Mercurial > vim
annotate src/gui_beval.c @ 5146:6ec6b7ff2d43 v7.4a
Vim 7.4a BETA release.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Sat, 06 Jul 2013 15:44:11 +0200 |
| parents | 04736b4030ec |
| children | 8dcc6f142460 |
| 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 #else | |
| 161 static void addEventHandler __ARGS((Widget, BalloonEval *)); | |
| 162 static void removeEventHandler __ARGS((BalloonEval *)); | |
| 163 static void pointerEventEH __ARGS((Widget, XtPointer, XEvent *, Boolean *)); | |
| 164 static void pointerEvent __ARGS((BalloonEval *, XEvent *)); | |
| 165 static void timerRoutine __ARGS((XtPointer, XtIntervalId *)); | |
| 166 #endif | |
| 167 static void cancelBalloon __ARGS((BalloonEval *)); | |
| 168 static void requestBalloon __ARGS((BalloonEval *)); | |
| 169 static void drawBalloon __ARGS((BalloonEval *)); | |
| 170 static void undrawBalloon __ARGS((BalloonEval *beval)); | |
| 171 static void createBalloonEvalWindow __ARGS((BalloonEval *)); | |
| 172 | |
| 173 | |
| 174 | |
| 175 /* | |
| 176 * Create a balloon-evaluation area for a Widget. | |
| 177 * There can be either a "mesg" for a fixed string or "mesgCB" to generate a | |
| 178 * message by calling this callback function. | |
| 179 * When "mesg" is not NULL it must remain valid for as long as the balloon is | |
| 180 * used. It is not freed here. | |
| 181 * Returns a pointer to the resulting object (NULL when out of memory). | |
| 182 */ | |
| 183 BalloonEval * | |
| 184 gui_mch_create_beval_area(target, mesg, mesgCB, clientData) | |
| 185 void *target; | |
| 186 char_u *mesg; | |
| 187 void (*mesgCB)__ARGS((BalloonEval *, int)); | |
| 188 void *clientData; | |
| 189 { | |
| 190 #ifndef FEAT_GUI_GTK | |
| 191 char *display_name; /* get from gui.dpy */ | |
| 192 int screen_num; | |
| 193 char *p; | |
| 194 #endif | |
| 195 BalloonEval *beval; | |
| 196 | |
| 197 if (mesg != NULL && mesgCB != NULL) | |
| 198 { | |
| 199 EMSG(_("E232: Cannot create BalloonEval with both message and callback")); | |
| 200 return NULL; | |
| 201 } | |
| 202 | |
| 203 beval = (BalloonEval *)alloc(sizeof(BalloonEval)); | |
| 204 if (beval != NULL) | |
| 205 { | |
| 206 #ifdef FEAT_GUI_GTK | |
| 207 beval->target = GTK_WIDGET(target); | |
| 208 beval->balloonShell = NULL; | |
| 209 beval->timerID = 0; | |
| 210 #else | |
| 211 beval->target = (Widget)target; | |
| 212 beval->balloonShell = NULL; | |
| 213 beval->timerID = (XtIntervalId)NULL; | |
| 214 beval->appContext = XtWidgetToApplicationContext((Widget)target); | |
| 215 #endif | |
| 216 beval->showState = ShS_NEUTRAL; | |
| 217 beval->x = 0; | |
| 218 beval->y = 0; | |
| 219 beval->msg = mesg; | |
| 220 beval->msgCB = mesgCB; | |
| 221 beval->clientData = clientData; | |
| 222 | |
| 223 /* | |
| 224 * Set up event handler which will keep its eyes on the pointer, | |
| 225 * and when the pointer rests in a certain spot for a given time | |
| 226 * interval, show the beval. | |
| 227 */ | |
| 228 addEventHandler(beval->target, beval); | |
| 229 createBalloonEvalWindow(beval); | |
| 230 | |
| 231 #ifndef FEAT_GUI_GTK | |
| 232 /* | |
| 233 * Now create and save the screen width and height. Used in drawing. | |
| 234 */ | |
| 235 display_name = DisplayString(gui.dpy); | |
| 236 p = strrchr(display_name, '.'); | |
| 237 if (p != NULL) | |
| 238 screen_num = atoi(++p); | |
| 239 else | |
| 240 screen_num = 0; | |
| 241 beval->screen_width = DisplayWidth(gui.dpy, screen_num); | |
| 242 beval->screen_height = DisplayHeight(gui.dpy, screen_num); | |
| 243 #endif | |
| 244 } | |
| 245 | |
| 246 return beval; | |
| 247 } | |
| 248 | |
| 249 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 250 /* | |
| 1228 | 251 * Destroy a balloon-eval and free its associated memory. |
| 7 | 252 */ |
| 253 void | |
| 254 gui_mch_destroy_beval_area(beval) | |
| 255 BalloonEval *beval; | |
| 256 { | |
| 257 cancelBalloon(beval); | |
| 258 removeEventHandler(beval); | |
| 259 /* Children will automatically be destroyed */ | |
| 260 # ifdef FEAT_GUI_GTK | |
| 261 gtk_widget_destroy(beval->balloonShell); | |
| 262 # else | |
| 263 XtDestroyWidget(beval->balloonShell); | |
| 264 # endif | |
| 265 vim_free(beval); | |
| 266 } | |
| 267 #endif | |
| 268 | |
| 269 void | |
| 270 gui_mch_enable_beval_area(beval) | |
| 271 BalloonEval *beval; | |
| 272 { | |
| 273 if (beval != NULL) | |
| 274 addEventHandler(beval->target, beval); | |
| 275 } | |
| 276 | |
| 277 void | |
| 278 gui_mch_disable_beval_area(beval) | |
| 279 BalloonEval *beval; | |
| 280 { | |
| 281 if (beval != NULL) | |
| 282 removeEventHandler(beval); | |
| 283 } | |
| 284 | |
| 285 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 286 /* | |
| 287 * This function returns the BalloonEval * associated with the currently | |
| 288 * displayed tooltip. Returns NULL if there is no tooltip currently showing. | |
| 289 * | |
| 290 * Assumption: Only one tooltip can be shown at a time. | |
| 291 */ | |
| 292 BalloonEval * | |
| 293 gui_mch_currently_showing_beval() | |
| 294 { | |
| 295 return current_beval; | |
| 296 } | |
| 297 #endif | |
| 298 #endif /* !FEAT_GUI_W32 */ | |
| 299 | |
| 192 | 300 #if defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) \ |
| 301 || defined(FEAT_EVAL) || defined(PROTO) | |
| 7 | 302 /* |
| 303 * Get the text and position to be evaluated for "beval". | |
| 192 | 304 * If "getword" is true the returned text is not the whole line but the |
| 305 * relevant word in allocated memory. | |
| 7 | 306 * Returns OK or FAIL. |
| 307 */ | |
| 308 int | |
| 192 | 309 get_beval_info(beval, getword, winp, lnump, textp, colp) |
| 7 | 310 BalloonEval *beval; |
| 192 | 311 int getword; |
| 312 win_T **winp; | |
| 313 linenr_T *lnump; | |
| 314 char_u **textp; | |
| 315 int *colp; | |
| 7 | 316 { |
| 317 win_T *wp; | |
| 318 int row, col; | |
| 319 char_u *lbuf; | |
| 320 linenr_T lnum; | |
| 321 | |
| 192 | 322 *textp = NULL; |
| 7 | 323 row = Y_2_ROW(beval->y); |
| 324 col = X_2_COL(beval->x); | |
| 640 | 325 #ifdef FEAT_WINDOWS |
| 7 | 326 wp = mouse_find_win(&row, &col); |
| 640 | 327 #else |
| 328 wp = firstwin; | |
| 329 #endif | |
| 7 | 330 if (wp != NULL && row < wp->w_height && col < W_WIDTH(wp)) |
| 331 { | |
| 332 /* Found a window and the cursor is in the text. Now find the line | |
| 333 * number. */ | |
| 334 if (!mouse_comp_pos(wp, &row, &col, &lnum)) | |
| 335 { | |
| 336 /* Not past end of the file. */ | |
| 337 lbuf = ml_get_buf(wp->w_buffer, lnum, FALSE); | |
| 338 if (col <= win_linetabsize(wp, lbuf, (colnr_T)MAXCOL)) | |
| 339 { | |
| 340 /* Not past end of line. */ | |
| 192 | 341 if (getword) |
| 7 | 342 { |
| 343 /* For Netbeans we get the relevant part of the line | |
| 344 * instead of the whole line. */ | |
| 345 int len; | |
| 346 pos_T *spos = NULL, *epos = NULL; | |
| 347 | |
| 348 if (VIsual_active) | |
| 349 { | |
| 350 if (lt(VIsual, curwin->w_cursor)) | |
| 351 { | |
| 352 spos = &VIsual; | |
| 353 epos = &curwin->w_cursor; | |
| 354 } | |
| 355 else | |
| 356 { | |
| 357 spos = &curwin->w_cursor; | |
| 358 epos = &VIsual; | |
| 359 } | |
| 360 } | |
| 361 | |
| 3877 | 362 col = vcol2col(wp, lnum, col); |
| 7 | 363 |
| 364 if (VIsual_active | |
| 365 && wp->w_buffer == curwin->w_buffer | |
| 366 && (lnum == spos->lnum | |
| 367 ? col >= (int)spos->col | |
| 368 : lnum > spos->lnum) | |
| 369 && (lnum == epos->lnum | |
| 370 ? col <= (int)epos->col | |
| 371 : lnum < epos->lnum)) | |
| 372 { | |
| 373 /* Visual mode and pointing to the line with the | |
| 374 * Visual selection: return selected text, with a | |
| 375 * maximum of one line. */ | |
| 376 if (spos->lnum != epos->lnum || spos->col == epos->col) | |
| 377 return FAIL; | |
| 378 | |
| 379 lbuf = ml_get_buf(curwin->w_buffer, VIsual.lnum, FALSE); | |
| 3877 | 380 len = epos->col - spos->col; |
| 381 if (*p_sel != 'e') | |
| 382 len += MB_PTR2LEN(lbuf + epos->col); | |
| 383 lbuf = vim_strnsave(lbuf + spos->col, len); | |
| 7 | 384 lnum = spos->lnum; |
| 385 col = spos->col; | |
| 386 } | |
| 387 else | |
| 388 { | |
| 389 /* Find the word under the cursor. */ | |
| 390 ++emsg_off; | |
| 391 len = find_ident_at_pos(wp, lnum, (colnr_T)col, &lbuf, | |
| 392 FIND_IDENT + FIND_STRING + FIND_EVAL); | |
| 393 --emsg_off; | |
| 394 if (len == 0) | |
| 395 return FAIL; | |
| 396 lbuf = vim_strnsave(lbuf, len); | |
| 397 } | |
| 398 } | |
| 192 | 399 |
| 400 *winp = wp; | |
| 401 *lnump = lnum; | |
| 402 *textp = lbuf; | |
| 403 *colp = col; | |
| 7 | 404 beval->ts = wp->w_buffer->b_p_ts; |
| 405 return OK; | |
| 406 } | |
| 407 } | |
| 408 } | |
| 409 | |
| 410 return FAIL; | |
| 411 } | |
| 412 | |
| 413 # if !defined(FEAT_GUI_W32) || defined(PROTO) | |
| 414 | |
| 415 /* | |
| 416 * Show a balloon with "mesg". | |
| 417 */ | |
| 418 void | |
| 419 gui_mch_post_balloon(beval, mesg) | |
| 420 BalloonEval *beval; | |
| 421 char_u *mesg; | |
| 422 { | |
| 423 beval->msg = mesg; | |
| 424 if (mesg != NULL) | |
| 425 drawBalloon(beval); | |
| 426 else | |
| 427 undrawBalloon(beval); | |
| 428 } | |
| 429 # endif /* FEAT_GUI_W32 */ | |
| 430 #endif /* FEAT_SUN_WORKSHOP || FEAT_NETBEANS_INTG || PROTO */ | |
| 431 | |
| 432 #if !defined(FEAT_GUI_W32) || defined(PROTO) | |
| 433 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 434 /* | |
| 435 * Hide the given balloon. | |
| 436 */ | |
| 437 void | |
| 438 gui_mch_unpost_balloon(beval) | |
| 439 BalloonEval *beval; | |
| 440 { | |
| 441 undrawBalloon(beval); | |
| 442 } | |
| 443 #endif | |
| 444 | |
| 445 #ifdef FEAT_GUI_GTK | |
| 446 /* | |
| 447 * We can unconditionally use ANSI-style prototypes here since | |
| 448 * GTK+ requires an ANSI C compiler anyway. | |
| 449 */ | |
| 450 static void | |
| 451 addEventHandler(GtkWidget *target, BalloonEval *beval) | |
| 452 { | |
| 453 /* | |
| 454 * Connect to the generic "event" signal instead of the individual | |
| 455 * signals for each event type, because the former is emitted earlier. | |
| 456 * This allows us to catch events independently of the signal handlers | |
| 457 * in gui_gtk_x11.c. | |
| 458 */ | |
| 459 /* Should use GTK_OBJECT() here, but that causes a lint warning... */ | |
| 460 gtk_signal_connect((GtkObject*)(target), "event", | |
| 461 GTK_SIGNAL_FUNC(target_event_cb), | |
| 462 beval); | |
| 463 /* | |
| 464 * Nasty: Key press events go to the main window thus the drawing area | |
| 465 * will never see them. This means we have to connect to the main window | |
| 466 * as well in order to catch those events. | |
| 467 */ | |
| 468 if (gtk_socket_id == 0 && gui.mainwin != NULL | |
| 469 && gtk_widget_is_ancestor(target, gui.mainwin)) | |
| 470 { | |
| 471 gtk_signal_connect((GtkObject*)(gui.mainwin), "event", | |
| 472 GTK_SIGNAL_FUNC(mainwin_event_cb), | |
| 473 beval); | |
| 474 } | |
| 475 } | |
| 476 | |
| 477 static void | |
| 478 removeEventHandler(BalloonEval *beval) | |
| 479 { | |
| 137 | 480 /* LINTED: avoid warning: dubious operation on enum */ |
| 7 | 481 gtk_signal_disconnect_by_func((GtkObject*)(beval->target), |
| 482 GTK_SIGNAL_FUNC(target_event_cb), | |
| 483 beval); | |
| 484 | |
| 485 if (gtk_socket_id == 0 && gui.mainwin != NULL | |
| 486 && gtk_widget_is_ancestor(beval->target, gui.mainwin)) | |
| 487 { | |
| 137 | 488 /* LINTED: avoid warning: dubious operation on enum */ |
| 7 | 489 gtk_signal_disconnect_by_func((GtkObject*)(gui.mainwin), |
| 490 GTK_SIGNAL_FUNC(mainwin_event_cb), | |
| 491 beval); | |
| 492 } | |
| 493 } | |
| 494 | |
| 495 static gint | |
| 496 target_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data) | |
| 497 { | |
| 498 BalloonEval *beval = (BalloonEval *)data; | |
| 499 | |
| 500 switch (event->type) | |
| 501 { | |
| 502 case GDK_ENTER_NOTIFY: | |
| 503 pointer_event(beval, (int)event->crossing.x, | |
| 504 (int)event->crossing.y, | |
| 505 event->crossing.state); | |
| 506 break; | |
| 507 case GDK_MOTION_NOTIFY: | |
| 508 if (event->motion.is_hint) | |
| 509 { | |
| 510 int x; | |
| 511 int y; | |
| 512 GdkModifierType state; | |
| 513 /* | |
| 514 * GDK_POINTER_MOTION_HINT_MASK is set, thus we cannot obtain | |
| 515 * the coordinates from the GdkEventMotion struct directly. | |
| 516 */ | |
| 517 gdk_window_get_pointer(widget->window, &x, &y, &state); | |
| 518 pointer_event(beval, x, y, (unsigned int)state); | |
| 519 } | |
| 520 else | |
| 521 { | |
| 522 pointer_event(beval, (int)event->motion.x, | |
| 523 (int)event->motion.y, | |
| 524 event->motion.state); | |
| 525 } | |
| 526 break; | |
| 527 case GDK_LEAVE_NOTIFY: | |
| 528 /* | |
| 529 * Ignore LeaveNotify events that are not "normal". | |
| 530 * Apparently we also get it when somebody else grabs focus. | |
| 531 */ | |
| 532 if (event->crossing.mode == GDK_CROSSING_NORMAL) | |
| 533 cancelBalloon(beval); | |
| 534 break; | |
| 535 case GDK_BUTTON_PRESS: | |
| 536 case GDK_SCROLL: | |
| 537 cancelBalloon(beval); | |
| 538 break; | |
| 539 case GDK_KEY_PRESS: | |
| 540 key_event(beval, event->key.keyval, TRUE); | |
| 541 break; | |
| 542 case GDK_KEY_RELEASE: | |
| 543 key_event(beval, event->key.keyval, FALSE); | |
| 544 break; | |
| 545 default: | |
| 546 break; | |
| 547 } | |
| 548 | |
| 549 return FALSE; /* continue emission */ | |
| 550 } | |
| 551 | |
| 552 static gint | |
| 1884 | 553 mainwin_event_cb(GtkWidget *widget UNUSED, GdkEvent *event, gpointer data) |
| 7 | 554 { |
| 555 BalloonEval *beval = (BalloonEval *)data; | |
| 556 | |
| 557 switch (event->type) | |
| 558 { | |
| 559 case GDK_KEY_PRESS: | |
| 560 key_event(beval, event->key.keyval, TRUE); | |
| 561 break; | |
| 562 case GDK_KEY_RELEASE: | |
| 563 key_event(beval, event->key.keyval, FALSE); | |
| 564 break; | |
| 565 default: | |
| 566 break; | |
| 567 } | |
| 568 | |
| 569 return FALSE; /* continue emission */ | |
| 570 } | |
| 571 | |
| 572 static void | |
| 573 pointer_event(BalloonEval *beval, int x, int y, unsigned state) | |
| 574 { | |
| 575 int distance; | |
| 576 | |
| 577 distance = ABS(x - beval->x) + ABS(y - beval->y); | |
| 578 | |
| 579 if (distance > 4) | |
| 580 { | |
| 581 /* | |
| 582 * Moved out of the balloon location: cancel it. | |
| 583 * Remember button state | |
| 584 */ | |
| 585 beval->state = state; | |
| 586 cancelBalloon(beval); | |
| 587 | |
| 588 /* Mouse buttons are pressed - no balloon now */ | |
| 589 if (!(state & ((int)GDK_BUTTON1_MASK | (int)GDK_BUTTON2_MASK | |
| 590 | (int)GDK_BUTTON3_MASK))) | |
| 591 { | |
| 592 beval->x = x; | |
| 593 beval->y = y; | |
| 594 | |
| 595 if (state & (int)GDK_MOD1_MASK) | |
| 596 { | |
| 597 /* | |
| 598 * Alt is pressed -- enter super-evaluate-mode, | |
| 599 * where there is no time delay | |
| 600 */ | |
| 601 if (beval->msgCB != NULL) | |
| 602 { | |
| 603 beval->showState = ShS_PENDING; | |
| 604 (*beval->msgCB)(beval, state); | |
| 605 } | |
| 606 } | |
| 607 else | |
| 608 { | |
| 609 beval->timerID = gtk_timeout_add((guint32)p_bdlay, | |
| 610 &timeout_cb, beval); | |
| 611 } | |
| 612 } | |
| 613 } | |
| 614 } | |
| 615 | |
| 616 static void | |
| 617 key_event(BalloonEval *beval, unsigned keyval, int is_keypress) | |
| 618 { | |
| 619 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 620 { | |
| 621 switch (keyval) | |
| 622 { | |
| 623 case GDK_Shift_L: | |
| 624 case GDK_Shift_R: | |
| 625 beval->showState = ShS_UPDATE_PENDING; | |
| 626 (*beval->msgCB)(beval, (is_keypress) | |
| 627 ? (int)GDK_SHIFT_MASK : 0); | |
| 628 break; | |
| 629 case GDK_Control_L: | |
| 630 case GDK_Control_R: | |
| 631 beval->showState = ShS_UPDATE_PENDING; | |
| 632 (*beval->msgCB)(beval, (is_keypress) | |
| 633 ? (int)GDK_CONTROL_MASK : 0); | |
| 634 break; | |
| 635 default: | |
| 667 | 636 /* Don't do this for key release, we apparently get these with |
| 637 * focus changes in some GTK version. */ | |
| 638 if (is_keypress) | |
| 639 cancelBalloon(beval); | |
| 7 | 640 break; |
| 641 } | |
| 642 } | |
| 643 else | |
| 644 cancelBalloon(beval); | |
| 645 } | |
| 646 | |
| 647 static gint | |
| 648 timeout_cb(gpointer data) | |
| 649 { | |
| 650 BalloonEval *beval = (BalloonEval *)data; | |
| 651 | |
| 652 beval->timerID = 0; | |
| 653 /* | |
| 654 * If the timer event happens then the mouse has stopped long enough for | |
| 655 * a request to be started. The request will only send to the debugger if | |
| 656 * there the mouse is pointing at real data. | |
| 657 */ | |
| 658 requestBalloon(beval); | |
| 659 | |
| 660 return FALSE; /* don't call me again */ | |
| 661 } | |
| 662 | |
| 663 static gint | |
| 1884 | 664 balloon_expose_event_cb(GtkWidget *widget, |
| 665 GdkEventExpose *event, | |
| 666 gpointer data UNUSED) | |
| 7 | 667 { |
| 668 gtk_paint_flat_box(widget->style, widget->window, | |
| 669 GTK_STATE_NORMAL, GTK_SHADOW_OUT, | |
| 670 &event->area, widget, "tooltip", | |
| 671 0, 0, -1, -1); | |
| 672 | |
| 673 return FALSE; /* continue emission */ | |
| 674 } | |
| 675 | |
| 676 #else /* !FEAT_GUI_GTK */ | |
| 677 | |
| 678 static void | |
| 679 addEventHandler(target, beval) | |
| 680 Widget target; | |
| 681 BalloonEval *beval; | |
| 682 { | |
| 683 XtAddEventHandler(target, | |
| 684 PointerMotionMask | EnterWindowMask | | |
| 685 LeaveWindowMask | ButtonPressMask | KeyPressMask | | |
| 686 KeyReleaseMask, | |
| 687 False, | |
| 688 pointerEventEH, (XtPointer)beval); | |
| 689 } | |
| 690 | |
| 691 static void | |
| 692 removeEventHandler(beval) | |
| 693 BalloonEval *beval; | |
| 694 { | |
| 695 XtRemoveEventHandler(beval->target, | |
| 696 PointerMotionMask | EnterWindowMask | | |
| 697 LeaveWindowMask | ButtonPressMask | KeyPressMask | | |
| 698 KeyReleaseMask, | |
| 699 False, | |
| 700 pointerEventEH, (XtPointer)beval); | |
| 701 } | |
| 702 | |
| 703 | |
| 704 /* | |
| 705 * The X event handler. All it does is call the real event handler. | |
| 706 */ | |
| 707 static void | |
| 708 pointerEventEH(w, client_data, event, unused) | |
| 1887 | 709 Widget w UNUSED; |
| 7 | 710 XtPointer client_data; |
| 711 XEvent *event; | |
| 1887 | 712 Boolean *unused UNUSED; |
| 7 | 713 { |
| 714 BalloonEval *beval = (BalloonEval *)client_data; | |
| 715 pointerEvent(beval, event); | |
| 716 } | |
| 717 | |
| 718 | |
| 719 /* | |
| 720 * The real event handler. Called by pointerEventEH() whenever an event we are | |
| 1228 | 721 * interested in occurs. |
| 7 | 722 */ |
| 723 | |
| 724 static void | |
| 725 pointerEvent(beval, event) | |
| 726 BalloonEval *beval; | |
| 727 XEvent *event; | |
| 728 { | |
| 4352 | 729 Position distance; /* a measure of how much the pointer moved */ |
| 7 | 730 Position delta; /* used to compute distance */ |
| 731 | |
| 732 switch (event->type) | |
| 733 { | |
| 734 case EnterNotify: | |
| 735 case MotionNotify: | |
| 736 delta = event->xmotion.x - beval->x; | |
| 737 if (delta < 0) | |
| 738 delta = -delta; | |
| 739 distance = delta; | |
| 740 delta = event->xmotion.y - beval->y; | |
| 741 if (delta < 0) | |
| 742 delta = -delta; | |
| 743 distance += delta; | |
| 744 if (distance > 4) | |
| 745 { | |
| 746 /* | |
| 747 * Moved out of the balloon location: cancel it. | |
| 748 * Remember button state | |
| 749 */ | |
| 750 beval->state = event->xmotion.state; | |
| 751 if (beval->state & (Button1Mask|Button2Mask|Button3Mask)) | |
| 752 { | |
| 753 /* Mouse buttons are pressed - no balloon now */ | |
| 754 cancelBalloon(beval); | |
| 755 } | |
| 756 else if (beval->state & (Mod1Mask|Mod2Mask|Mod3Mask)) | |
| 757 { | |
| 758 /* | |
| 759 * Alt is pressed -- enter super-evaluate-mode, | |
| 760 * where there is no time delay | |
| 761 */ | |
| 762 beval->x = event->xmotion.x; | |
| 763 beval->y = event->xmotion.y; | |
| 764 beval->x_root = event->xmotion.x_root; | |
| 765 beval->y_root = event->xmotion.y_root; | |
| 766 cancelBalloon(beval); | |
| 767 if (beval->msgCB != NULL) | |
| 768 { | |
| 769 beval->showState = ShS_PENDING; | |
| 770 (*beval->msgCB)(beval, beval->state); | |
| 771 } | |
| 772 } | |
| 773 else | |
| 774 { | |
| 775 beval->x = event->xmotion.x; | |
| 776 beval->y = event->xmotion.y; | |
| 777 beval->x_root = event->xmotion.x_root; | |
| 778 beval->y_root = event->xmotion.y_root; | |
| 779 cancelBalloon(beval); | |
| 780 beval->timerID = XtAppAddTimeOut( beval->appContext, | |
| 781 (long_u)p_bdlay, timerRoutine, beval); | |
| 782 } | |
| 783 } | |
| 784 break; | |
| 785 | |
| 786 /* | |
| 787 * Motif and Athena version: Keystrokes will be caught by the | |
| 788 * "textArea" widget, and handled in gui_x11_key_hit_cb(). | |
| 789 */ | |
| 790 case KeyPress: | |
| 791 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 792 { | |
| 793 Modifiers modifier; | |
| 794 KeySym keysym; | |
| 795 | |
| 796 XtTranslateKeycode(gui.dpy, | |
| 797 event->xkey.keycode, event->xkey.state, | |
| 798 &modifier, &keysym); | |
| 799 if (keysym == XK_Shift_L || keysym == XK_Shift_R) | |
| 800 { | |
| 801 beval->showState = ShS_UPDATE_PENDING; | |
| 802 (*beval->msgCB)(beval, ShiftMask); | |
| 803 } | |
| 804 else if (keysym == XK_Control_L || keysym == XK_Control_R) | |
| 805 { | |
| 806 beval->showState = ShS_UPDATE_PENDING; | |
| 807 (*beval->msgCB)(beval, ControlMask); | |
| 808 } | |
| 809 else | |
| 810 cancelBalloon(beval); | |
| 811 } | |
| 812 else | |
| 813 cancelBalloon(beval); | |
| 814 break; | |
| 815 | |
| 816 case KeyRelease: | |
| 817 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 818 { | |
| 819 Modifiers modifier; | |
| 820 KeySym keysym; | |
| 821 | |
| 822 XtTranslateKeycode(gui.dpy, event->xkey.keycode, | |
| 823 event->xkey.state, &modifier, &keysym); | |
| 824 if ((keysym == XK_Shift_L) || (keysym == XK_Shift_R)) { | |
| 825 beval->showState = ShS_UPDATE_PENDING; | |
| 826 (*beval->msgCB)(beval, 0); | |
| 827 } | |
| 828 else if ((keysym == XK_Control_L) || (keysym == XK_Control_R)) | |
| 829 { | |
| 830 beval->showState = ShS_UPDATE_PENDING; | |
| 831 (*beval->msgCB)(beval, 0); | |
| 832 } | |
| 833 else | |
| 834 cancelBalloon(beval); | |
| 835 } | |
| 836 else | |
| 837 cancelBalloon(beval); | |
| 838 break; | |
| 839 | |
| 840 case LeaveNotify: | |
| 841 /* Ignore LeaveNotify events that are not "normal". | |
| 842 * Apparently we also get it when somebody else grabs focus. | |
| 843 * Happens for me every two seconds (some clipboard tool?) */ | |
| 844 if (event->xcrossing.mode == NotifyNormal) | |
| 845 cancelBalloon(beval); | |
| 846 break; | |
| 847 | |
| 848 case ButtonPress: | |
| 849 cancelBalloon(beval); | |
| 850 break; | |
| 851 | |
| 852 default: | |
| 853 break; | |
| 854 } | |
| 855 } | |
| 856 | |
| 857 static void | |
| 858 timerRoutine(dx, id) | |
| 859 XtPointer dx; | |
| 1887 | 860 XtIntervalId *id UNUSED; |
| 7 | 861 { |
| 862 BalloonEval *beval = (BalloonEval *)dx; | |
| 863 | |
| 864 beval->timerID = (XtIntervalId)NULL; | |
| 865 | |
| 866 /* | |
| 867 * If the timer event happens then the mouse has stopped long enough for | |
| 868 * a request to be started. The request will only send to the debugger if | |
| 869 * there the mouse is pointing at real data. | |
| 870 */ | |
| 871 requestBalloon(beval); | |
| 872 } | |
| 873 | |
| 874 #endif /* !FEAT_GUI_GTK */ | |
| 875 | |
| 876 static void | |
| 877 requestBalloon(beval) | |
| 878 BalloonEval *beval; | |
| 879 { | |
| 880 if (beval->showState != ShS_PENDING) | |
| 881 { | |
| 882 /* Determine the beval to display */ | |
| 883 if (beval->msgCB != NULL) | |
| 884 { | |
| 885 beval->showState = ShS_PENDING; | |
| 886 (*beval->msgCB)(beval, beval->state); | |
| 887 } | |
| 888 else if (beval->msg != NULL) | |
| 889 drawBalloon(beval); | |
| 890 } | |
| 891 } | |
| 892 | |
| 893 #ifdef FEAT_GUI_GTK | |
| 894 /* | |
| 895 * Convert the string to UTF-8 if 'encoding' is not "utf-8". | |
| 896 * Replace any non-printable characters and invalid bytes sequences with | |
| 897 * "^X" or "<xx>" escapes, and apply SpecialKey highlighting to them. | |
| 898 * TAB and NL are passed through unscathed. | |
| 899 */ | |
|
2275
e4d849f4df03
Remove the old and not well supported GTK 1 code. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2251
diff
changeset
|
900 # define IS_NONPRINTABLE(c) (((c) < 0x20 && (c) != TAB && (c) != NL) \ |
| 7 | 901 || (c) == DEL) |
| 902 static void | |
| 944 | 903 set_printable_label_text(GtkLabel *label, char_u *text) |
| 7 | 904 { |
| 905 char_u *convbuf = NULL; | |
| 906 char_u *buf; | |
| 907 char_u *p; | |
| 908 char_u *pdest; | |
| 909 unsigned int len; | |
| 910 int charlen; | |
| 911 int uc; | |
| 912 PangoAttrList *attr_list; | |
| 913 | |
| 914 /* Convert to UTF-8 if it isn't already */ | |
| 915 if (output_conv.vc_type != CONV_NONE) | |
| 916 { | |
| 944 | 917 convbuf = string_convert(&output_conv, text, NULL); |
| 7 | 918 if (convbuf != NULL) |
| 944 | 919 text = convbuf; |
| 7 | 920 } |
| 921 | |
| 922 /* First let's see how much we need to allocate */ | |
| 923 len = 0; | |
| 944 | 924 for (p = text; *p != NUL; p += charlen) |
| 7 | 925 { |
| 926 if ((*p & 0x80) == 0) /* be quick for ASCII */ | |
| 927 { | |
| 928 charlen = 1; | |
| 929 len += IS_NONPRINTABLE(*p) ? 2 : 1; /* nonprintable: ^X */ | |
| 930 } | |
| 931 else | |
| 932 { | |
| 474 | 933 charlen = utf_ptr2len(p); |
| 7 | 934 uc = utf_ptr2char(p); |
| 935 | |
| 936 if (charlen != utf_char2len(uc)) | |
| 937 charlen = 1; /* reject overlong sequences */ | |
| 938 | |
| 939 if (charlen == 1 || uc < 0xa0) /* illegal byte or */ | |
| 940 len += 4; /* control char: <xx> */ | |
| 941 else if (!utf_printable(uc)) | |
| 942 /* Note: we assume here that utf_printable() doesn't | |
| 943 * care about characters outside the BMP. */ | |
| 944 len += 6; /* nonprintable: <xxxx> */ | |
| 945 else | |
| 946 len += charlen; | |
| 947 } | |
| 948 } | |
| 949 | |
| 950 attr_list = pango_attr_list_new(); | |
| 951 buf = alloc(len + 1); | |
| 952 | |
| 953 /* Now go for the real work */ | |
| 954 if (buf != NULL) | |
| 955 { | |
| 956 attrentry_T *aep; | |
| 957 PangoAttribute *attr; | |
| 958 guicolor_T pixel; | |
| 959 GdkColor color = { 0, 0, 0, 0 }; | |
| 960 | |
| 961 /* Look up the RGB values of the SpecialKey foreground color. */ | |
| 962 aep = syn_gui_attr2entry(hl_attr(HLF_8)); | |
| 963 pixel = (aep != NULL) ? aep->ae_u.gui.fg_color : INVALCOLOR; | |
| 964 if (pixel != INVALCOLOR) | |
| 965 gdk_colormap_query_color(gtk_widget_get_colormap(gui.drawarea), | |
| 966 (unsigned long)pixel, &color); | |
| 967 | |
| 968 pdest = buf; | |
| 944 | 969 p = text; |
| 7 | 970 while (*p != NUL) |
| 971 { | |
| 972 /* Be quick for ASCII */ | |
| 973 if ((*p & 0x80) == 0 && !IS_NONPRINTABLE(*p)) | |
| 974 { | |
| 975 *pdest++ = *p++; | |
| 976 } | |
| 977 else | |
| 978 { | |
| 474 | 979 charlen = utf_ptr2len(p); |
| 7 | 980 uc = utf_ptr2char(p); |
| 981 | |
| 982 if (charlen != utf_char2len(uc)) | |
| 983 charlen = 1; /* reject overlong sequences */ | |
| 984 | |
| 985 if (charlen == 1 || uc < 0xa0 || !utf_printable(uc)) | |
| 986 { | |
| 987 int outlen; | |
| 988 | |
| 989 /* Careful: we can't just use transchar_byte() here, | |
| 990 * since 'encoding' is not necessarily set to "utf-8". */ | |
| 991 if (*p & 0x80 && charlen == 1) | |
| 992 { | |
| 993 transchar_hex(pdest, *p); /* <xx> */ | |
| 994 outlen = 4; | |
| 995 } | |
| 996 else if (uc >= 0x80) | |
| 997 { | |
| 998 /* Note: we assume here that utf_printable() doesn't | |
| 999 * care about characters outside the BMP. */ | |
| 1000 transchar_hex(pdest, uc); /* <xx> or <xxxx> */ | |
| 1001 outlen = (uc < 0x100) ? 4 : 6; | |
| 1002 } | |
| 1003 else | |
| 1004 { | |
| 1005 transchar_nonprint(pdest, *p); /* ^X */ | |
| 1006 outlen = 2; | |
| 1007 } | |
| 1008 if (pixel != INVALCOLOR) | |
| 1009 { | |
| 1010 attr = pango_attr_foreground_new( | |
| 1011 color.red, color.green, color.blue); | |
| 1012 attr->start_index = pdest - buf; | |
| 1013 attr->end_index = pdest - buf + outlen; | |
| 1014 pango_attr_list_insert(attr_list, attr); | |
| 1015 } | |
| 1016 pdest += outlen; | |
| 1017 p += charlen; | |
| 1018 } | |
| 1019 else | |
| 1020 { | |
| 1021 do | |
| 1022 *pdest++ = *p++; | |
| 1023 while (--charlen != 0); | |
| 1024 } | |
| 1025 } | |
| 1026 } | |
| 1027 *pdest = NUL; | |
| 1028 } | |
| 1029 | |
| 1030 vim_free(convbuf); | |
| 1031 | |
| 1032 gtk_label_set_text(label, (const char *)buf); | |
| 1033 vim_free(buf); | |
| 1034 | |
| 1035 gtk_label_set_attributes(label, attr_list); | |
| 1036 pango_attr_list_unref(attr_list); | |
| 1037 } | |
|
2275
e4d849f4df03
Remove the old and not well supported GTK 1 code. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2251
diff
changeset
|
1038 # undef IS_NONPRINTABLE |
| 7 | 1039 |
| 1040 /* | |
| 1041 * Draw a balloon. | |
| 1042 */ | |
| 1043 static void | |
| 1044 drawBalloon(BalloonEval *beval) | |
| 1045 { | |
| 1046 if (beval->msg != NULL) | |
| 1047 { | |
| 1048 GtkRequisition requisition; | |
| 1049 int screen_w; | |
| 1050 int screen_h; | |
| 1051 int x; | |
| 1052 int y; | |
| 1053 int x_offset = EVAL_OFFSET_X; | |
| 1054 int y_offset = EVAL_OFFSET_Y; | |
| 1055 PangoLayout *layout; | |
| 1056 # ifdef HAVE_GTK_MULTIHEAD | |
| 1057 GdkScreen *screen; | |
| 1058 | |
| 1059 screen = gtk_widget_get_screen(beval->target); | |
| 1060 gtk_window_set_screen(GTK_WINDOW(beval->balloonShell), screen); | |
| 1061 screen_w = gdk_screen_get_width(screen); | |
| 1062 screen_h = gdk_screen_get_height(screen); | |
| 1063 # else | |
| 1064 screen_w = gdk_screen_width(); | |
| 1065 screen_h = gdk_screen_height(); | |
| 1066 # endif | |
| 1067 gtk_widget_ensure_style(beval->balloonShell); | |
| 1068 gtk_widget_ensure_style(beval->balloonLabel); | |
| 1069 | |
| 1070 set_printable_label_text(GTK_LABEL(beval->balloonLabel), beval->msg); | |
| 1071 /* | |
| 1072 * Dirty trick: Enable wrapping mode on the label's layout behind its | |
| 1073 * back. This way GtkLabel won't try to constrain the wrap width to a | |
| 1074 * builtin maximum value of about 65 Latin characters. | |
| 1075 */ | |
| 1076 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
|
1077 # ifdef PANGO_WRAP_WORD_CHAR |
| 7 | 1078 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
|
1079 # else |
| 7 | 1080 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
|
1081 # endif |
| 7 | 1082 pango_layout_set_width(layout, |
| 1083 /* try to come up with some reasonable width */ | |
| 1084 PANGO_SCALE * CLAMP(gui.num_cols * gui.char_width, | |
| 1085 screen_w / 2, | |
| 1086 MAX(20, screen_w - 20))); | |
| 1087 | |
| 1088 /* Calculate the balloon's width and height. */ | |
| 1089 gtk_widget_size_request(beval->balloonShell, &requisition); | |
| 1090 | |
| 1091 /* Compute position of the balloon area */ | |
| 1092 gdk_window_get_origin(beval->target->window, &x, &y); | |
| 1093 x += beval->x; | |
| 1094 y += beval->y; | |
| 1095 | |
| 1096 /* Get out of the way of the mouse pointer */ | |
| 1097 if (x + x_offset + requisition.width > screen_w) | |
| 1098 y_offset += 15; | |
| 1099 if (y + y_offset + requisition.height > screen_h) | |
| 1100 y_offset = -requisition.height - EVAL_OFFSET_Y; | |
| 1101 | |
| 1102 /* Sanitize values */ | |
| 1103 x = CLAMP(x + x_offset, 0, MAX(0, screen_w - requisition.width)); | |
| 1104 y = CLAMP(y + y_offset, 0, MAX(0, screen_h - requisition.height)); | |
| 1105 | |
| 1106 /* Show the balloon */ | |
| 1107 gtk_widget_set_uposition(beval->balloonShell, x, y); | |
| 1108 gtk_widget_show(beval->balloonShell); | |
| 1109 | |
| 1110 beval->showState = ShS_SHOWING; | |
| 1111 } | |
| 1112 } | |
| 1113 | |
| 1114 /* | |
| 1115 * Undraw a balloon. | |
| 1116 */ | |
| 1117 static void | |
| 1118 undrawBalloon(BalloonEval *beval) | |
| 1119 { | |
| 1120 if (beval->balloonShell != NULL) | |
| 1121 gtk_widget_hide(beval->balloonShell); | |
| 1122 beval->showState = ShS_NEUTRAL; | |
| 1123 } | |
| 1124 | |
| 1125 static void | |
| 1126 cancelBalloon(BalloonEval *beval) | |
| 1127 { | |
| 1128 if (beval->showState == ShS_SHOWING | |
| 1129 || beval->showState == ShS_UPDATE_PENDING) | |
| 1130 undrawBalloon(beval); | |
| 1131 | |
| 1132 if (beval->timerID != 0) | |
| 1133 { | |
| 1134 gtk_timeout_remove(beval->timerID); | |
| 1135 beval->timerID = 0; | |
| 1136 } | |
| 1137 beval->showState = ShS_NEUTRAL; | |
| 1138 } | |
| 1139 | |
| 1140 static void | |
| 1141 createBalloonEvalWindow(BalloonEval *beval) | |
| 1142 { | |
| 1143 beval->balloonShell = gtk_window_new(GTK_WINDOW_POPUP); | |
| 1144 | |
| 1145 gtk_widget_set_app_paintable(beval->balloonShell, TRUE); | |
| 1146 gtk_window_set_policy(GTK_WINDOW(beval->balloonShell), FALSE, FALSE, TRUE); | |
| 1147 gtk_widget_set_name(beval->balloonShell, "gtk-tooltips"); | |
| 1148 gtk_container_border_width(GTK_CONTAINER(beval->balloonShell), 4); | |
| 1149 | |
| 1150 gtk_signal_connect((GtkObject*)(beval->balloonShell), "expose_event", | |
| 1151 GTK_SIGNAL_FUNC(balloon_expose_event_cb), NULL); | |
| 1152 beval->balloonLabel = gtk_label_new(NULL); | |
| 1153 | |
| 1154 gtk_label_set_line_wrap(GTK_LABEL(beval->balloonLabel), FALSE); | |
| 1155 gtk_label_set_justify(GTK_LABEL(beval->balloonLabel), GTK_JUSTIFY_LEFT); | |
| 1156 gtk_misc_set_alignment(GTK_MISC(beval->balloonLabel), 0.5f, 0.5f); | |
| 1157 gtk_widget_set_name(beval->balloonLabel, "vim-balloon-label"); | |
| 1158 gtk_widget_show(beval->balloonLabel); | |
| 1159 | |
| 1160 gtk_container_add(GTK_CONTAINER(beval->balloonShell), beval->balloonLabel); | |
| 1161 } | |
| 1162 | |
| 1163 #else /* !FEAT_GUI_GTK */ | |
| 1164 | |
| 1165 /* | |
| 1166 * Draw a balloon. | |
| 1167 */ | |
| 1168 static void | |
| 1169 drawBalloon(beval) | |
| 1170 BalloonEval *beval; | |
| 1171 { | |
| 1172 Dimension w; | |
| 1173 Dimension h; | |
| 1174 Position tx; | |
| 1175 Position ty; | |
| 1176 | |
| 1177 if (beval->msg != NULL) | |
| 1178 { | |
| 1179 /* Show the Balloon */ | |
| 1180 | |
| 1181 /* Calculate the label's width and height */ | |
| 1182 #ifdef FEAT_GUI_MOTIF | |
| 1183 XmString s; | |
| 1184 | |
| 1185 /* For the callback function we parse NL characters to create a | |
| 1186 * multi-line label. This doesn't work for all languages, but | |
| 1187 * XmStringCreateLocalized() doesn't do multi-line labels... */ | |
| 1188 if (beval->msgCB != NULL) | |
| 1189 s = XmStringCreateLtoR((char *)beval->msg, XmFONTLIST_DEFAULT_TAG); | |
| 1190 else | |
| 1191 s = XmStringCreateLocalized((char *)beval->msg); | |
| 1192 { | |
| 1193 XmFontList fl; | |
| 1194 | |
| 1195 fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset); | |
| 1196 if (fl != NULL) | |
| 1197 { | |
| 1198 XmStringExtent(fl, s, &w, &h); | |
| 1199 XmFontListFree(fl); | |
| 1200 } | |
| 1201 } | |
| 1202 w += gui.border_offset << 1; | |
| 1203 h += gui.border_offset << 1; | |
| 1204 XtVaSetValues(beval->balloonLabel, XmNlabelString, s, NULL); | |
| 1205 XmStringFree(s); | |
| 1206 #else /* Athena */ | |
| 1207 /* Assume XtNinternational == True */ | |
| 1208 XFontSet fset; | |
| 1209 XFontSetExtents *ext; | |
| 1210 | |
| 1211 XtVaGetValues(beval->balloonLabel, XtNfontSet, &fset, NULL); | |
| 1212 ext = XExtentsOfFontSet(fset); | |
| 1213 h = ext->max_ink_extent.height; | |
| 1214 w = XmbTextEscapement(fset, | |
| 1215 (char *)beval->msg, | |
| 1216 (int)STRLEN(beval->msg)); | |
| 1217 w += gui.border_offset << 1; | |
| 1218 h += gui.border_offset << 1; | |
| 1219 XtVaSetValues(beval->balloonLabel, XtNlabel, beval->msg, NULL); | |
| 1220 #endif | |
| 1221 | |
| 1222 /* Compute position of the balloon area */ | |
| 1223 tx = beval->x_root + EVAL_OFFSET_X; | |
| 1224 ty = beval->y_root + EVAL_OFFSET_Y; | |
| 1225 if ((tx + w) > beval->screen_width) | |
| 1226 tx = beval->screen_width - w; | |
| 1227 if ((ty + h) > beval->screen_height) | |
| 1228 ty = beval->screen_height - h; | |
| 1229 #ifdef FEAT_GUI_MOTIF | |
| 1230 XtVaSetValues(beval->balloonShell, | |
| 1231 XmNx, tx, | |
| 1232 XmNy, ty, | |
| 1233 NULL); | |
| 1234 #else | |
| 1235 /* Athena */ | |
| 1236 XtVaSetValues(beval->balloonShell, | |
| 1237 XtNx, tx, | |
| 1238 XtNy, ty, | |
| 1239 NULL); | |
| 1240 #endif | |
| 1844 | 1241 /* Set tooltip colors */ |
| 1242 { | |
| 1243 Arg args[2]; | |
| 1244 | |
| 1245 #ifdef FEAT_GUI_MOTIF | |
| 1246 args[0].name = XmNbackground; | |
| 1247 args[0].value = gui.tooltip_bg_pixel; | |
| 1248 args[1].name = XmNforeground; | |
| 1249 args[1].value = gui.tooltip_fg_pixel; | |
| 1250 #else /* Athena */ | |
| 1251 args[0].name = XtNbackground; | |
| 1252 args[0].value = gui.tooltip_bg_pixel; | |
| 1253 args[1].name = XtNforeground; | |
| 1254 args[1].value = gui.tooltip_fg_pixel; | |
| 1255 #endif | |
| 1256 XtSetValues(beval->balloonLabel, &args[0], XtNumber(args)); | |
| 1257 } | |
| 7 | 1258 |
| 1259 XtPopup(beval->balloonShell, XtGrabNone); | |
| 1260 | |
| 1261 beval->showState = ShS_SHOWING; | |
| 1262 | |
| 1263 current_beval = beval; | |
| 1264 } | |
| 1265 } | |
| 1266 | |
| 1267 /* | |
| 1268 * Undraw a balloon. | |
| 1269 */ | |
| 1270 static void | |
| 1271 undrawBalloon(beval) | |
| 1272 BalloonEval *beval; | |
| 1273 { | |
| 1274 if (beval->balloonShell != (Widget)0) | |
| 1275 XtPopdown(beval->balloonShell); | |
| 1276 beval->showState = ShS_NEUTRAL; | |
| 1277 | |
| 1278 current_beval = NULL; | |
| 1279 } | |
| 1280 | |
| 1281 static void | |
| 1282 cancelBalloon(beval) | |
| 1283 BalloonEval *beval; | |
| 1284 { | |
| 1285 if (beval->showState == ShS_SHOWING | |
| 1286 || beval->showState == ShS_UPDATE_PENDING) | |
| 1287 undrawBalloon(beval); | |
| 1288 | |
| 1289 if (beval->timerID != (XtIntervalId)NULL) | |
| 1290 { | |
| 1291 XtRemoveTimeOut(beval->timerID); | |
| 1292 beval->timerID = (XtIntervalId)NULL; | |
| 1293 } | |
| 1294 beval->showState = ShS_NEUTRAL; | |
| 1295 } | |
| 1296 | |
| 1297 | |
| 1298 static void | |
| 1299 createBalloonEvalWindow(beval) | |
| 1300 BalloonEval *beval; | |
| 1301 { | |
| 1302 Arg args[12]; | |
| 1303 int n; | |
| 1304 | |
| 1305 n = 0; | |
| 1306 #ifdef FEAT_GUI_MOTIF | |
| 1307 XtSetArg(args[n], XmNallowShellResize, True); n++; | |
| 1308 beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval", | |
| 1309 overrideShellWidgetClass, gui.dpy, args, n); | |
| 1310 #else | |
| 1311 /* Athena */ | |
| 1312 XtSetArg(args[n], XtNallowShellResize, True); n++; | |
| 1313 beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval", | |
| 1314 overrideShellWidgetClass, gui.dpy, args, n); | |
| 1315 #endif | |
| 1316 | |
| 1317 n = 0; | |
| 1318 #ifdef FEAT_GUI_MOTIF | |
| 1319 { | |
| 1320 XmFontList fl; | |
| 1321 | |
| 1322 fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset); | |
| 1323 XtSetArg(args[n], XmNforeground, gui.tooltip_fg_pixel); n++; | |
| 1324 XtSetArg(args[n], XmNbackground, gui.tooltip_bg_pixel); n++; | |
| 1325 XtSetArg(args[n], XmNfontList, fl); n++; | |
| 1326 XtSetArg(args[n], XmNalignment, XmALIGNMENT_BEGINNING); n++; | |
| 1327 beval->balloonLabel = XtCreateManagedWidget("balloonLabel", | |
| 1328 xmLabelWidgetClass, beval->balloonShell, args, n); | |
| 1329 } | |
| 1330 #else /* FEAT_GUI_ATHENA */ | |
| 1331 XtSetArg(args[n], XtNforeground, gui.tooltip_fg_pixel); n++; | |
| 1332 XtSetArg(args[n], XtNbackground, gui.tooltip_bg_pixel); n++; | |
| 1333 XtSetArg(args[n], XtNinternational, True); n++; | |
| 1334 XtSetArg(args[n], XtNfontSet, gui.tooltip_fontset); n++; | |
| 1335 beval->balloonLabel = XtCreateManagedWidget("balloonLabel", | |
| 1336 labelWidgetClass, beval->balloonShell, args, n); | |
| 1337 #endif | |
| 1338 } | |
| 1339 | |
| 1340 #endif /* !FEAT_GUI_GTK */ | |
| 1341 #endif /* !FEAT_GUI_W32 */ | |
| 1342 | |
| 1343 #endif /* FEAT_BEVAL */ |