Mercurial > vim
annotate src/gui_beval.c @ 9270:79cb08f0d812 v7.4.1918
commit https://github.com/vim/vim/commit/62f8b4e18014b259bcde4a2845c602b0a44a3714
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Jun 11 15:31:47 2016 +0200
patch 7.4.1918
Problem: Not enough testing for parsing viminfo lines.
Solution: Add test with viminfo lines in bad syntax. Fix memory leak.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sat, 11 Jun 2016 15:45:05 +0200 |
| parents | 9495e43a800d |
| children | d63b85fe3dc7 |
| 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 | |
|
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19 general_beval_cb(BalloonEval *beval, int state UNUSED) |
| 192 | 20 { |
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21 #ifdef FEAT_EVAL |
| 192 | 22 win_T *wp; |
| 23 int col; | |
| 634 | 24 int use_sandbox; |
| 192 | 25 linenr_T lnum; |
| 26 char_u *text; | |
| 27 static char_u *result = NULL; | |
| 28 long winnr = 0; | |
| 791 | 29 char_u *bexpr; |
| 30 buf_T *save_curbuf; | |
| 6297 | 31 size_t len; |
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32 # ifdef FEAT_WINDOWS |
| 192 | 33 win_T *cw; |
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34 # endif |
| 640 | 35 #endif |
| 865 | 36 static int recursive = FALSE; |
| 192 | 37 |
| 38 /* Don't do anything when 'ballooneval' is off, messages scrolled the | |
| 39 * windows up or we have no beval area. */ | |
| 40 if (!p_beval || balloonEval == NULL || msg_scrolled > 0) | |
| 41 return; | |
| 42 | |
| 865 | 43 /* Don't do this recursively. Happens when the expression evaluation |
| 44 * takes a long time and invokes something that checks for CTRL-C typed. */ | |
| 45 if (recursive) | |
| 46 return; | |
| 47 recursive = TRUE; | |
| 48 | |
| 192 | 49 #ifdef FEAT_EVAL |
| 791 | 50 if (get_beval_info(balloonEval, TRUE, &wp, &lnum, &text, &col) == OK) |
| 192 | 51 { |
| 791 | 52 bexpr = (*wp->w_buffer->b_p_bexpr == NUL) ? p_bexpr |
| 53 : wp->w_buffer->b_p_bexpr; | |
| 54 if (*bexpr != NUL) | |
| 55 { | |
| 640 | 56 # ifdef FEAT_WINDOWS |
| 791 | 57 /* Convert window pointer to number. */ |
| 58 for (cw = firstwin; cw != wp; cw = cw->w_next) | |
| 59 ++winnr; | |
| 640 | 60 # endif |
| 192 | 61 |
| 791 | 62 set_vim_var_nr(VV_BEVAL_BUFNR, (long)wp->w_buffer->b_fnum); |
| 63 set_vim_var_nr(VV_BEVAL_WINNR, winnr); | |
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64 set_vim_var_nr(VV_BEVAL_WINID, wp->w_id); |
| 791 | 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 | |
| 6297 | 86 /* Remove one trailing newline, it is added when the result was a |
| 87 * list and it's hardly every useful. If the user really wants a | |
| 88 * trailing newline he can add two and one remains. */ | |
| 89 if (result != NULL) | |
| 90 { | |
| 91 len = STRLEN(result); | |
| 92 if (len > 0 && result[len - 1] == NL) | |
| 93 result[len - 1] = NUL; | |
| 94 } | |
| 95 | |
| 791 | 96 if (use_sandbox) |
| 97 --sandbox; | |
| 98 --textlock; | |
| 192 | 99 |
| 791 | 100 set_vim_var_string(VV_BEVAL_TEXT, NULL, -1); |
| 101 if (result != NULL && result[0] != NUL) | |
| 102 { | |
| 103 gui_mch_post_balloon(beval, result); | |
| 865 | 104 recursive = FALSE; |
| 791 | 105 return; |
| 106 } | |
| 192 | 107 } |
| 108 } | |
| 109 #endif | |
| 110 #ifdef FEAT_NETBEANS_INTG | |
| 111 if (bevalServers & BEVAL_NETBEANS) | |
| 112 netbeans_beval_cb(beval, state); | |
| 113 #endif | |
| 114 #ifdef FEAT_SUN_WORKSHOP | |
| 115 if (bevalServers & BEVAL_WORKSHOP) | |
| 116 workshop_beval_cb(beval, state); | |
| 117 #endif | |
| 865 | 118 |
| 119 recursive = FALSE; | |
| 192 | 120 } |
| 121 | |
| 122 /* on Win32 only get_beval_info() is required */ | |
| 7 | 123 #if !defined(FEAT_GUI_W32) || defined(PROTO) |
| 124 | |
| 125 #ifdef FEAT_GUI_GTK | |
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126 # if GTK_CHECK_VERSION(3,0,0) |
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127 # include <gdk/gdkkeysyms-compat.h> |
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128 # else |
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129 # include <gdk/gdkkeysyms.h> |
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130 # endif |
| 7 | 131 # include <gtk/gtk.h> |
| 132 #else | |
| 133 # include <X11/keysym.h> | |
| 134 # ifdef FEAT_GUI_MOTIF | |
| 135 # include <Xm/PushB.h> | |
| 136 # include <Xm/Separator.h> | |
| 137 # include <Xm/List.h> | |
| 138 # include <Xm/Label.h> | |
| 139 # include <Xm/AtomMgr.h> | |
| 140 # include <Xm/Protocols.h> | |
| 141 # else | |
| 142 /* Assume Athena */ | |
| 143 # include <X11/Shell.h> | |
| 680 | 144 # ifdef FEAT_GUI_NEXTAW |
| 145 # include <X11/neXtaw/Label.h> | |
| 146 # else | |
| 147 # include <X11/Xaw/Label.h> | |
| 148 # endif | |
| 7 | 149 # endif |
| 150 #endif | |
| 151 | |
| 152 #include "gui_beval.h" | |
| 153 | |
| 154 #ifndef FEAT_GUI_GTK | |
| 155 extern Widget vimShell; | |
| 156 | |
| 157 /* | |
| 158 * Currently, we assume that there can be only one BalloonEval showing | |
| 159 * on-screen at any given moment. This variable will hold the currently | |
| 160 * showing BalloonEval or NULL if none is showing. | |
| 161 */ | |
| 162 static BalloonEval *current_beval = NULL; | |
| 163 #endif | |
| 164 | |
| 165 #ifdef FEAT_GUI_GTK | |
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166 static void addEventHandler(GtkWidget *, BalloonEval *); |
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167 static void removeEventHandler(BalloonEval *); |
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168 static gint target_event_cb(GtkWidget *, GdkEvent *, gpointer); |
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169 static gint mainwin_event_cb(GtkWidget *, GdkEvent *, gpointer); |
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170 static void pointer_event(BalloonEval *, int, int, unsigned); |
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171 static void key_event(BalloonEval *, unsigned, int); |
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172 # if GTK_CHECK_VERSION(3,0,0) |
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173 static gboolean timeout_cb(gpointer); |
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174 # else |
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175 static gint timeout_cb(gpointer); |
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176 # endif |
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177 # if GTK_CHECK_VERSION(3,0,0) |
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178 static gboolean balloon_draw_event_cb (GtkWidget *, cairo_t *, gpointer); |
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179 # else |
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180 static gint balloon_expose_event_cb (GtkWidget *, GdkEventExpose *, gpointer); |
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181 # endif |
| 7 | 182 #else |
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183 static void addEventHandler(Widget, BalloonEval *); |
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184 static void removeEventHandler(BalloonEval *); |
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185 static void pointerEventEH(Widget, XtPointer, XEvent *, Boolean *); |
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186 static void pointerEvent(BalloonEval *, XEvent *); |
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187 static void timerRoutine(XtPointer, XtIntervalId *); |
| 7 | 188 #endif |
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189 static void cancelBalloon(BalloonEval *); |
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190 static void requestBalloon(BalloonEval *); |
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191 static void drawBalloon(BalloonEval *); |
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192 static void undrawBalloon(BalloonEval *beval); |
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193 static void createBalloonEvalWindow(BalloonEval *); |
| 7 | 194 |
| 195 | |
| 196 | |
| 197 /* | |
| 198 * Create a balloon-evaluation area for a Widget. | |
| 199 * There can be either a "mesg" for a fixed string or "mesgCB" to generate a | |
| 200 * message by calling this callback function. | |
| 201 * When "mesg" is not NULL it must remain valid for as long as the balloon is | |
| 202 * used. It is not freed here. | |
| 203 * Returns a pointer to the resulting object (NULL when out of memory). | |
| 204 */ | |
| 205 BalloonEval * | |
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206 gui_mch_create_beval_area( |
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207 void *target, |
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208 char_u *mesg, |
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209 void (*mesgCB)(BalloonEval *, int), |
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210 void *clientData) |
| 7 | 211 { |
| 212 #ifndef FEAT_GUI_GTK | |
| 213 char *display_name; /* get from gui.dpy */ | |
| 214 int screen_num; | |
| 215 char *p; | |
| 216 #endif | |
| 217 BalloonEval *beval; | |
| 218 | |
| 219 if (mesg != NULL && mesgCB != NULL) | |
| 220 { | |
| 221 EMSG(_("E232: Cannot create BalloonEval with both message and callback")); | |
| 222 return NULL; | |
| 223 } | |
| 224 | |
| 225 beval = (BalloonEval *)alloc(sizeof(BalloonEval)); | |
| 226 if (beval != NULL) | |
| 227 { | |
| 228 #ifdef FEAT_GUI_GTK | |
| 229 beval->target = GTK_WIDGET(target); | |
| 230 beval->balloonShell = NULL; | |
| 231 beval->timerID = 0; | |
| 232 #else | |
| 233 beval->target = (Widget)target; | |
| 234 beval->balloonShell = NULL; | |
| 235 beval->timerID = (XtIntervalId)NULL; | |
| 236 beval->appContext = XtWidgetToApplicationContext((Widget)target); | |
| 237 #endif | |
| 238 beval->showState = ShS_NEUTRAL; | |
| 239 beval->x = 0; | |
| 240 beval->y = 0; | |
| 241 beval->msg = mesg; | |
| 242 beval->msgCB = mesgCB; | |
| 243 beval->clientData = clientData; | |
| 244 | |
| 245 /* | |
| 246 * Set up event handler which will keep its eyes on the pointer, | |
| 247 * and when the pointer rests in a certain spot for a given time | |
| 248 * interval, show the beval. | |
| 249 */ | |
| 250 addEventHandler(beval->target, beval); | |
| 251 createBalloonEvalWindow(beval); | |
| 252 | |
| 253 #ifndef FEAT_GUI_GTK | |
| 254 /* | |
| 255 * Now create and save the screen width and height. Used in drawing. | |
| 256 */ | |
| 257 display_name = DisplayString(gui.dpy); | |
| 258 p = strrchr(display_name, '.'); | |
| 259 if (p != NULL) | |
| 260 screen_num = atoi(++p); | |
| 261 else | |
| 262 screen_num = 0; | |
| 263 beval->screen_width = DisplayWidth(gui.dpy, screen_num); | |
| 264 beval->screen_height = DisplayHeight(gui.dpy, screen_num); | |
| 265 #endif | |
| 266 } | |
| 267 | |
| 268 return beval; | |
| 269 } | |
| 270 | |
| 271 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 272 /* | |
| 1228 | 273 * Destroy a balloon-eval and free its associated memory. |
| 7 | 274 */ |
| 275 void | |
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276 gui_mch_destroy_beval_area(BalloonEval *beval) |
| 7 | 277 { |
| 278 cancelBalloon(beval); | |
| 279 removeEventHandler(beval); | |
| 280 /* Children will automatically be destroyed */ | |
| 281 # ifdef FEAT_GUI_GTK | |
| 282 gtk_widget_destroy(beval->balloonShell); | |
| 283 # else | |
| 284 XtDestroyWidget(beval->balloonShell); | |
| 285 # endif | |
| 286 vim_free(beval); | |
| 287 } | |
| 288 #endif | |
| 289 | |
| 290 void | |
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291 gui_mch_enable_beval_area(BalloonEval *beval) |
| 7 | 292 { |
| 293 if (beval != NULL) | |
| 294 addEventHandler(beval->target, beval); | |
| 295 } | |
| 296 | |
| 297 void | |
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298 gui_mch_disable_beval_area(BalloonEval *beval) |
| 7 | 299 { |
| 300 if (beval != NULL) | |
| 301 removeEventHandler(beval); | |
| 302 } | |
| 303 | |
| 304 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 305 /* | |
| 306 * This function returns the BalloonEval * associated with the currently | |
| 307 * displayed tooltip. Returns NULL if there is no tooltip currently showing. | |
| 308 * | |
| 309 * Assumption: Only one tooltip can be shown at a time. | |
| 310 */ | |
| 311 BalloonEval * | |
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312 gui_mch_currently_showing_beval(void) |
| 7 | 313 { |
| 314 return current_beval; | |
| 315 } | |
| 316 #endif | |
| 317 #endif /* !FEAT_GUI_W32 */ | |
| 318 | |
| 192 | 319 #if defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) \ |
| 320 || defined(FEAT_EVAL) || defined(PROTO) | |
| 7 | 321 /* |
| 322 * Get the text and position to be evaluated for "beval". | |
| 192 | 323 * If "getword" is true the returned text is not the whole line but the |
| 324 * relevant word in allocated memory. | |
| 7 | 325 * Returns OK or FAIL. |
| 326 */ | |
| 327 int | |
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328 get_beval_info( |
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329 BalloonEval *beval, |
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330 int getword, |
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331 win_T **winp, |
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332 linenr_T *lnump, |
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333 char_u **textp, |
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334 int *colp) |
| 7 | 335 { |
| 336 win_T *wp; | |
| 337 int row, col; | |
| 338 char_u *lbuf; | |
| 339 linenr_T lnum; | |
| 340 | |
| 192 | 341 *textp = NULL; |
| 7 | 342 row = Y_2_ROW(beval->y); |
| 343 col = X_2_COL(beval->x); | |
| 640 | 344 #ifdef FEAT_WINDOWS |
| 7 | 345 wp = mouse_find_win(&row, &col); |
| 640 | 346 #else |
| 347 wp = firstwin; | |
| 348 #endif | |
| 7 | 349 if (wp != NULL && row < wp->w_height && col < W_WIDTH(wp)) |
| 350 { | |
| 351 /* Found a window and the cursor is in the text. Now find the line | |
| 352 * number. */ | |
| 353 if (!mouse_comp_pos(wp, &row, &col, &lnum)) | |
| 354 { | |
| 355 /* Not past end of the file. */ | |
| 356 lbuf = ml_get_buf(wp->w_buffer, lnum, FALSE); | |
| 357 if (col <= win_linetabsize(wp, lbuf, (colnr_T)MAXCOL)) | |
| 358 { | |
| 359 /* Not past end of line. */ | |
| 192 | 360 if (getword) |
| 7 | 361 { |
| 362 /* For Netbeans we get the relevant part of the line | |
| 363 * instead of the whole line. */ | |
| 364 int len; | |
| 365 pos_T *spos = NULL, *epos = NULL; | |
| 366 | |
| 367 if (VIsual_active) | |
| 368 { | |
| 369 if (lt(VIsual, curwin->w_cursor)) | |
| 370 { | |
| 371 spos = &VIsual; | |
| 372 epos = &curwin->w_cursor; | |
| 373 } | |
| 374 else | |
| 375 { | |
| 376 spos = &curwin->w_cursor; | |
| 377 epos = &VIsual; | |
| 378 } | |
| 379 } | |
| 380 | |
| 3877 | 381 col = vcol2col(wp, lnum, col); |
| 7 | 382 |
| 383 if (VIsual_active | |
| 384 && wp->w_buffer == curwin->w_buffer | |
| 385 && (lnum == spos->lnum | |
| 386 ? col >= (int)spos->col | |
| 387 : lnum > spos->lnum) | |
| 388 && (lnum == epos->lnum | |
| 389 ? col <= (int)epos->col | |
| 390 : lnum < epos->lnum)) | |
| 391 { | |
| 392 /* Visual mode and pointing to the line with the | |
| 393 * Visual selection: return selected text, with a | |
| 394 * maximum of one line. */ | |
| 395 if (spos->lnum != epos->lnum || spos->col == epos->col) | |
| 396 return FAIL; | |
| 397 | |
| 398 lbuf = ml_get_buf(curwin->w_buffer, VIsual.lnum, FALSE); | |
| 3877 | 399 len = epos->col - spos->col; |
| 400 if (*p_sel != 'e') | |
| 401 len += MB_PTR2LEN(lbuf + epos->col); | |
| 402 lbuf = vim_strnsave(lbuf + spos->col, len); | |
| 7 | 403 lnum = spos->lnum; |
| 404 col = spos->col; | |
| 405 } | |
| 406 else | |
| 407 { | |
| 408 /* Find the word under the cursor. */ | |
| 409 ++emsg_off; | |
| 410 len = find_ident_at_pos(wp, lnum, (colnr_T)col, &lbuf, | |
| 411 FIND_IDENT + FIND_STRING + FIND_EVAL); | |
| 412 --emsg_off; | |
| 413 if (len == 0) | |
| 414 return FAIL; | |
| 415 lbuf = vim_strnsave(lbuf, len); | |
| 416 } | |
| 417 } | |
| 192 | 418 |
| 419 *winp = wp; | |
| 420 *lnump = lnum; | |
| 421 *textp = lbuf; | |
| 422 *colp = col; | |
| 7 | 423 beval->ts = wp->w_buffer->b_p_ts; |
| 424 return OK; | |
| 425 } | |
| 426 } | |
| 427 } | |
| 428 | |
| 429 return FAIL; | |
| 430 } | |
| 431 | |
| 432 # if !defined(FEAT_GUI_W32) || defined(PROTO) | |
| 433 | |
| 434 /* | |
| 435 * Show a balloon with "mesg". | |
| 436 */ | |
| 437 void | |
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438 gui_mch_post_balloon(BalloonEval *beval, char_u *mesg) |
| 7 | 439 { |
| 440 beval->msg = mesg; | |
| 441 if (mesg != NULL) | |
| 442 drawBalloon(beval); | |
| 443 else | |
| 444 undrawBalloon(beval); | |
| 445 } | |
| 446 # endif /* FEAT_GUI_W32 */ | |
| 447 #endif /* FEAT_SUN_WORKSHOP || FEAT_NETBEANS_INTG || PROTO */ | |
| 448 | |
| 449 #if !defined(FEAT_GUI_W32) || defined(PROTO) | |
| 450 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 451 /* | |
| 452 * Hide the given balloon. | |
| 453 */ | |
| 454 void | |
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455 gui_mch_unpost_balloon(BalloonEval *beval) |
| 7 | 456 { |
| 457 undrawBalloon(beval); | |
| 458 } | |
| 459 #endif | |
| 460 | |
| 461 #ifdef FEAT_GUI_GTK | |
| 462 /* | |
| 463 * We can unconditionally use ANSI-style prototypes here since | |
| 464 * GTK+ requires an ANSI C compiler anyway. | |
| 465 */ | |
| 466 static void | |
| 467 addEventHandler(GtkWidget *target, BalloonEval *beval) | |
| 468 { | |
| 469 /* | |
| 470 * Connect to the generic "event" signal instead of the individual | |
| 471 * signals for each event type, because the former is emitted earlier. | |
| 472 * This allows us to catch events independently of the signal handlers | |
| 473 * in gui_gtk_x11.c. | |
| 474 */ | |
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475 # if GTK_CHECK_VERSION(3,0,0) |
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476 g_signal_connect(G_OBJECT(target), "event", |
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477 G_CALLBACK(target_event_cb), |
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478 beval); |
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479 # else |
| 7 | 480 /* Should use GTK_OBJECT() here, but that causes a lint warning... */ |
| 481 gtk_signal_connect((GtkObject*)(target), "event", | |
| 482 GTK_SIGNAL_FUNC(target_event_cb), | |
| 483 beval); | |
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484 # endif |
| 7 | 485 /* |
| 486 * Nasty: Key press events go to the main window thus the drawing area | |
| 487 * will never see them. This means we have to connect to the main window | |
| 488 * as well in order to catch those events. | |
| 489 */ | |
| 490 if (gtk_socket_id == 0 && gui.mainwin != NULL | |
| 491 && gtk_widget_is_ancestor(target, gui.mainwin)) | |
| 492 { | |
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493 # if GTK_CHECK_VERSION(3,0,0) |
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494 g_signal_connect(G_OBJECT(gui.mainwin), "event", |
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495 G_CALLBACK(mainwin_event_cb), |
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496 beval); |
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497 # else |
| 7 | 498 gtk_signal_connect((GtkObject*)(gui.mainwin), "event", |
| 499 GTK_SIGNAL_FUNC(mainwin_event_cb), | |
| 500 beval); | |
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501 # endif |
| 7 | 502 } |
| 503 } | |
| 504 | |
| 505 static void | |
| 506 removeEventHandler(BalloonEval *beval) | |
| 507 { | |
| 137 | 508 /* LINTED: avoid warning: dubious operation on enum */ |
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509 # if GTK_CHECK_VERSION(3,0,0) |
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510 g_signal_handlers_disconnect_by_func(G_OBJECT(beval->target), |
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511 G_CALLBACK(target_event_cb), |
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512 beval); |
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513 # else |
| 7 | 514 gtk_signal_disconnect_by_func((GtkObject*)(beval->target), |
| 515 GTK_SIGNAL_FUNC(target_event_cb), | |
| 516 beval); | |
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517 # endif |
| 7 | 518 |
| 519 if (gtk_socket_id == 0 && gui.mainwin != NULL | |
| 520 && gtk_widget_is_ancestor(beval->target, gui.mainwin)) | |
| 521 { | |
| 137 | 522 /* LINTED: avoid warning: dubious operation on enum */ |
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523 # if GTK_CHECK_VERSION(3,0,0) |
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524 g_signal_handlers_disconnect_by_func(G_OBJECT(gui.mainwin), |
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525 G_CALLBACK(mainwin_event_cb), |
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526 beval); |
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527 # else |
| 7 | 528 gtk_signal_disconnect_by_func((GtkObject*)(gui.mainwin), |
| 529 GTK_SIGNAL_FUNC(mainwin_event_cb), | |
| 530 beval); | |
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531 # endif |
| 7 | 532 } |
| 533 } | |
| 534 | |
| 535 static gint | |
| 536 target_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data) | |
| 537 { | |
| 538 BalloonEval *beval = (BalloonEval *)data; | |
| 539 | |
| 540 switch (event->type) | |
| 541 { | |
| 542 case GDK_ENTER_NOTIFY: | |
| 543 pointer_event(beval, (int)event->crossing.x, | |
| 544 (int)event->crossing.y, | |
| 545 event->crossing.state); | |
| 546 break; | |
| 547 case GDK_MOTION_NOTIFY: | |
| 548 if (event->motion.is_hint) | |
| 549 { | |
| 550 int x; | |
| 551 int y; | |
| 552 GdkModifierType state; | |
| 553 /* | |
| 554 * GDK_POINTER_MOTION_HINT_MASK is set, thus we cannot obtain | |
| 555 * the coordinates from the GdkEventMotion struct directly. | |
| 556 */ | |
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557 # if GTK_CHECK_VERSION(3,0,0) |
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558 { |
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559 GdkWindow * const win = gtk_widget_get_window(widget); |
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560 GdkDisplay * const dpy = gdk_window_get_display(win); |
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561 # if GTK_CHECK_VERSION(3,20,0) |
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562 GdkSeat * const seat = gdk_display_get_default_seat(dpy); |
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563 GdkDevice * const dev = gdk_seat_get_pointer(seat); |
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564 # else |
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565 GdkDeviceManager * const mngr = gdk_display_get_device_manager(dpy); |
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566 GdkDevice * const dev = gdk_device_manager_get_client_pointer(mngr); |
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567 # endif |
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568 gdk_window_get_device_position(win, dev , &x, &y, &state); |
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569 } |
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570 # else |
| 7 | 571 gdk_window_get_pointer(widget->window, &x, &y, &state); |
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572 # endif |
| 7 | 573 pointer_event(beval, x, y, (unsigned int)state); |
| 574 } | |
| 575 else | |
| 576 { | |
| 577 pointer_event(beval, (int)event->motion.x, | |
| 578 (int)event->motion.y, | |
| 579 event->motion.state); | |
| 580 } | |
| 581 break; | |
| 582 case GDK_LEAVE_NOTIFY: | |
| 583 /* | |
| 584 * Ignore LeaveNotify events that are not "normal". | |
| 585 * Apparently we also get it when somebody else grabs focus. | |
| 586 */ | |
| 587 if (event->crossing.mode == GDK_CROSSING_NORMAL) | |
| 588 cancelBalloon(beval); | |
| 589 break; | |
| 590 case GDK_BUTTON_PRESS: | |
| 591 case GDK_SCROLL: | |
| 592 cancelBalloon(beval); | |
| 593 break; | |
| 594 case GDK_KEY_PRESS: | |
| 595 key_event(beval, event->key.keyval, TRUE); | |
| 596 break; | |
| 597 case GDK_KEY_RELEASE: | |
| 598 key_event(beval, event->key.keyval, FALSE); | |
| 599 break; | |
| 600 default: | |
| 601 break; | |
| 602 } | |
| 603 | |
| 604 return FALSE; /* continue emission */ | |
| 605 } | |
| 606 | |
| 607 static gint | |
| 1884 | 608 mainwin_event_cb(GtkWidget *widget UNUSED, GdkEvent *event, gpointer data) |
| 7 | 609 { |
| 610 BalloonEval *beval = (BalloonEval *)data; | |
| 611 | |
| 612 switch (event->type) | |
| 613 { | |
| 614 case GDK_KEY_PRESS: | |
| 615 key_event(beval, event->key.keyval, TRUE); | |
| 616 break; | |
| 617 case GDK_KEY_RELEASE: | |
| 618 key_event(beval, event->key.keyval, FALSE); | |
| 619 break; | |
| 620 default: | |
| 621 break; | |
| 622 } | |
| 623 | |
| 624 return FALSE; /* continue emission */ | |
| 625 } | |
| 626 | |
| 627 static void | |
| 628 pointer_event(BalloonEval *beval, int x, int y, unsigned state) | |
| 629 { | |
| 630 int distance; | |
| 631 | |
| 632 distance = ABS(x - beval->x) + ABS(y - beval->y); | |
| 633 | |
| 634 if (distance > 4) | |
| 635 { | |
| 636 /* | |
| 637 * Moved out of the balloon location: cancel it. | |
| 638 * Remember button state | |
| 639 */ | |
| 640 beval->state = state; | |
| 641 cancelBalloon(beval); | |
| 642 | |
| 643 /* Mouse buttons are pressed - no balloon now */ | |
| 644 if (!(state & ((int)GDK_BUTTON1_MASK | (int)GDK_BUTTON2_MASK | |
| 645 | (int)GDK_BUTTON3_MASK))) | |
| 646 { | |
| 647 beval->x = x; | |
| 648 beval->y = y; | |
| 649 | |
| 650 if (state & (int)GDK_MOD1_MASK) | |
| 651 { | |
| 652 /* | |
| 653 * Alt is pressed -- enter super-evaluate-mode, | |
| 654 * where there is no time delay | |
| 655 */ | |
| 656 if (beval->msgCB != NULL) | |
| 657 { | |
| 658 beval->showState = ShS_PENDING; | |
| 659 (*beval->msgCB)(beval, state); | |
| 660 } | |
| 661 } | |
| 662 else | |
| 663 { | |
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664 # if GTK_CHECK_VERSION(3,0,0) |
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665 beval->timerID = g_timeout_add((guint)p_bdlay, |
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666 &timeout_cb, beval); |
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667 # else |
| 7 | 668 beval->timerID = gtk_timeout_add((guint32)p_bdlay, |
| 669 &timeout_cb, beval); | |
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670 # endif |
| 7 | 671 } |
| 672 } | |
| 673 } | |
| 674 } | |
| 675 | |
| 676 static void | |
| 677 key_event(BalloonEval *beval, unsigned keyval, int is_keypress) | |
| 678 { | |
| 679 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 680 { | |
| 681 switch (keyval) | |
| 682 { | |
| 683 case GDK_Shift_L: | |
| 684 case GDK_Shift_R: | |
| 685 beval->showState = ShS_UPDATE_PENDING; | |
| 686 (*beval->msgCB)(beval, (is_keypress) | |
| 687 ? (int)GDK_SHIFT_MASK : 0); | |
| 688 break; | |
| 689 case GDK_Control_L: | |
| 690 case GDK_Control_R: | |
| 691 beval->showState = ShS_UPDATE_PENDING; | |
| 692 (*beval->msgCB)(beval, (is_keypress) | |
| 693 ? (int)GDK_CONTROL_MASK : 0); | |
| 694 break; | |
| 695 default: | |
| 667 | 696 /* Don't do this for key release, we apparently get these with |
| 697 * focus changes in some GTK version. */ | |
| 698 if (is_keypress) | |
| 699 cancelBalloon(beval); | |
| 7 | 700 break; |
| 701 } | |
| 702 } | |
| 703 else | |
| 704 cancelBalloon(beval); | |
| 705 } | |
| 706 | |
|
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707 # if GTK_CHECK_VERSION(3,0,0) |
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708 static gboolean |
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709 # else |
| 7 | 710 static gint |
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711 # endif |
| 7 | 712 timeout_cb(gpointer data) |
| 713 { | |
| 714 BalloonEval *beval = (BalloonEval *)data; | |
| 715 | |
| 716 beval->timerID = 0; | |
| 717 /* | |
| 718 * If the timer event happens then the mouse has stopped long enough for | |
| 719 * a request to be started. The request will only send to the debugger if | |
| 720 * there the mouse is pointing at real data. | |
| 721 */ | |
| 722 requestBalloon(beval); | |
| 723 | |
| 724 return FALSE; /* don't call me again */ | |
| 725 } | |
| 726 | |
|
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727 # if GTK_CHECK_VERSION(3,0,0) |
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728 static gboolean |
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729 balloon_draw_event_cb(GtkWidget *widget, |
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730 cairo_t *cr, |
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731 gpointer data UNUSED) |
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732 { |
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733 GtkStyleContext *context = NULL; |
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734 gint width = -1, height = -1; |
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735 |
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736 if (widget == NULL) |
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737 return TRUE; |
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738 |
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739 context = gtk_widget_get_style_context(widget); |
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740 width = gtk_widget_get_allocated_width(widget); |
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741 height = gtk_widget_get_allocated_height(widget); |
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742 |
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743 gtk_style_context_save(context); |
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744 |
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745 gtk_style_context_add_class(context, "tooltip"); |
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746 gtk_style_context_set_state(context, GTK_STATE_FLAG_NORMAL); |
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747 |
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748 cairo_save(cr); |
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749 gtk_render_frame(context, cr, 0, 0, width, height); |
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750 gtk_render_background(context, cr, 0, 0, width, height); |
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751 cairo_restore(cr); |
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752 |
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753 gtk_style_context_restore(context); |
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754 |
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755 return FALSE; |
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756 } |
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757 # else |
| 7 | 758 static gint |
| 1884 | 759 balloon_expose_event_cb(GtkWidget *widget, |
| 760 GdkEventExpose *event, | |
| 761 gpointer data UNUSED) | |
| 7 | 762 { |
| 763 gtk_paint_flat_box(widget->style, widget->window, | |
| 764 GTK_STATE_NORMAL, GTK_SHADOW_OUT, | |
| 765 &event->area, widget, "tooltip", | |
| 766 0, 0, -1, -1); | |
| 767 | |
| 768 return FALSE; /* continue emission */ | |
| 769 } | |
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770 # endif /* !GTK_CHECK_VERSION(3,0,0) */ |
| 7 | 771 |
| 772 #else /* !FEAT_GUI_GTK */ | |
| 773 | |
| 774 static void | |
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775 addEventHandler(Widget target, BalloonEval *beval) |
| 7 | 776 { |
| 777 XtAddEventHandler(target, | |
| 778 PointerMotionMask | EnterWindowMask | | |
| 779 LeaveWindowMask | ButtonPressMask | KeyPressMask | | |
| 780 KeyReleaseMask, | |
| 781 False, | |
| 782 pointerEventEH, (XtPointer)beval); | |
| 783 } | |
| 784 | |
| 785 static void | |
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786 removeEventHandler(BalloonEval *beval) |
| 7 | 787 { |
| 788 XtRemoveEventHandler(beval->target, | |
| 789 PointerMotionMask | EnterWindowMask | | |
| 790 LeaveWindowMask | ButtonPressMask | KeyPressMask | | |
| 791 KeyReleaseMask, | |
| 792 False, | |
| 793 pointerEventEH, (XtPointer)beval); | |
| 794 } | |
| 795 | |
| 796 | |
| 797 /* | |
| 798 * The X event handler. All it does is call the real event handler. | |
| 799 */ | |
| 800 static void | |
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801 pointerEventEH( |
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802 Widget w UNUSED, |
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803 XtPointer client_data, |
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804 XEvent *event, |
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805 Boolean *unused UNUSED) |
| 7 | 806 { |
| 807 BalloonEval *beval = (BalloonEval *)client_data; | |
| 808 pointerEvent(beval, event); | |
| 809 } | |
| 810 | |
| 811 | |
| 812 /* | |
| 813 * The real event handler. Called by pointerEventEH() whenever an event we are | |
| 1228 | 814 * interested in occurs. |
| 7 | 815 */ |
| 816 | |
| 817 static void | |
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818 pointerEvent(BalloonEval *beval, XEvent *event) |
| 7 | 819 { |
| 4352 | 820 Position distance; /* a measure of how much the pointer moved */ |
| 7 | 821 Position delta; /* used to compute distance */ |
| 822 | |
| 823 switch (event->type) | |
| 824 { | |
| 825 case EnterNotify: | |
| 826 case MotionNotify: | |
| 827 delta = event->xmotion.x - beval->x; | |
| 828 if (delta < 0) | |
| 829 delta = -delta; | |
| 830 distance = delta; | |
| 831 delta = event->xmotion.y - beval->y; | |
| 832 if (delta < 0) | |
| 833 delta = -delta; | |
| 834 distance += delta; | |
| 835 if (distance > 4) | |
| 836 { | |
| 837 /* | |
| 838 * Moved out of the balloon location: cancel it. | |
| 839 * Remember button state | |
| 840 */ | |
| 841 beval->state = event->xmotion.state; | |
| 842 if (beval->state & (Button1Mask|Button2Mask|Button3Mask)) | |
| 843 { | |
| 844 /* Mouse buttons are pressed - no balloon now */ | |
| 845 cancelBalloon(beval); | |
| 846 } | |
| 847 else if (beval->state & (Mod1Mask|Mod2Mask|Mod3Mask)) | |
| 848 { | |
| 849 /* | |
| 850 * Alt is pressed -- enter super-evaluate-mode, | |
| 851 * where there is no time delay | |
| 852 */ | |
| 853 beval->x = event->xmotion.x; | |
| 854 beval->y = event->xmotion.y; | |
| 855 beval->x_root = event->xmotion.x_root; | |
| 856 beval->y_root = event->xmotion.y_root; | |
| 857 cancelBalloon(beval); | |
| 858 if (beval->msgCB != NULL) | |
| 859 { | |
| 860 beval->showState = ShS_PENDING; | |
| 861 (*beval->msgCB)(beval, beval->state); | |
| 862 } | |
| 863 } | |
| 864 else | |
| 865 { | |
| 866 beval->x = event->xmotion.x; | |
| 867 beval->y = event->xmotion.y; | |
| 868 beval->x_root = event->xmotion.x_root; | |
| 869 beval->y_root = event->xmotion.y_root; | |
| 870 cancelBalloon(beval); | |
| 871 beval->timerID = XtAppAddTimeOut( beval->appContext, | |
| 872 (long_u)p_bdlay, timerRoutine, beval); | |
| 873 } | |
| 874 } | |
| 875 break; | |
| 876 | |
| 877 /* | |
| 878 * Motif and Athena version: Keystrokes will be caught by the | |
| 879 * "textArea" widget, and handled in gui_x11_key_hit_cb(). | |
| 880 */ | |
| 881 case KeyPress: | |
| 882 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 883 { | |
| 884 Modifiers modifier; | |
| 885 KeySym keysym; | |
| 886 | |
| 887 XtTranslateKeycode(gui.dpy, | |
| 888 event->xkey.keycode, event->xkey.state, | |
| 889 &modifier, &keysym); | |
| 890 if (keysym == XK_Shift_L || keysym == XK_Shift_R) | |
| 891 { | |
| 892 beval->showState = ShS_UPDATE_PENDING; | |
| 893 (*beval->msgCB)(beval, ShiftMask); | |
| 894 } | |
| 895 else if (keysym == XK_Control_L || keysym == XK_Control_R) | |
| 896 { | |
| 897 beval->showState = ShS_UPDATE_PENDING; | |
| 898 (*beval->msgCB)(beval, ControlMask); | |
| 899 } | |
| 900 else | |
| 901 cancelBalloon(beval); | |
| 902 } | |
| 903 else | |
| 904 cancelBalloon(beval); | |
| 905 break; | |
| 906 | |
| 907 case KeyRelease: | |
| 908 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 909 { | |
| 910 Modifiers modifier; | |
| 911 KeySym keysym; | |
| 912 | |
| 913 XtTranslateKeycode(gui.dpy, event->xkey.keycode, | |
| 914 event->xkey.state, &modifier, &keysym); | |
| 915 if ((keysym == XK_Shift_L) || (keysym == XK_Shift_R)) { | |
| 916 beval->showState = ShS_UPDATE_PENDING; | |
| 917 (*beval->msgCB)(beval, 0); | |
| 918 } | |
| 919 else if ((keysym == XK_Control_L) || (keysym == XK_Control_R)) | |
| 920 { | |
| 921 beval->showState = ShS_UPDATE_PENDING; | |
| 922 (*beval->msgCB)(beval, 0); | |
| 923 } | |
| 924 else | |
| 925 cancelBalloon(beval); | |
| 926 } | |
| 927 else | |
| 928 cancelBalloon(beval); | |
| 929 break; | |
| 930 | |
| 931 case LeaveNotify: | |
| 932 /* Ignore LeaveNotify events that are not "normal". | |
| 933 * Apparently we also get it when somebody else grabs focus. | |
| 934 * Happens for me every two seconds (some clipboard tool?) */ | |
| 935 if (event->xcrossing.mode == NotifyNormal) | |
| 936 cancelBalloon(beval); | |
| 937 break; | |
| 938 | |
| 939 case ButtonPress: | |
| 940 cancelBalloon(beval); | |
| 941 break; | |
| 942 | |
| 943 default: | |
| 944 break; | |
| 945 } | |
| 946 } | |
| 947 | |
| 948 static void | |
|
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949 timerRoutine(XtPointer dx, XtIntervalId *id UNUSED) |
| 7 | 950 { |
| 951 BalloonEval *beval = (BalloonEval *)dx; | |
| 952 | |
| 953 beval->timerID = (XtIntervalId)NULL; | |
| 954 | |
| 955 /* | |
| 956 * If the timer event happens then the mouse has stopped long enough for | |
| 957 * a request to be started. The request will only send to the debugger if | |
| 958 * there the mouse is pointing at real data. | |
| 959 */ | |
| 960 requestBalloon(beval); | |
| 961 } | |
| 962 | |
| 963 #endif /* !FEAT_GUI_GTK */ | |
| 964 | |
| 965 static void | |
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966 requestBalloon(BalloonEval *beval) |
| 7 | 967 { |
| 968 if (beval->showState != ShS_PENDING) | |
| 969 { | |
| 970 /* Determine the beval to display */ | |
| 971 if (beval->msgCB != NULL) | |
| 972 { | |
| 973 beval->showState = ShS_PENDING; | |
| 974 (*beval->msgCB)(beval, beval->state); | |
| 975 } | |
| 976 else if (beval->msg != NULL) | |
| 977 drawBalloon(beval); | |
| 978 } | |
| 979 } | |
| 980 | |
| 981 #ifdef FEAT_GUI_GTK | |
| 982 /* | |
| 983 * Convert the string to UTF-8 if 'encoding' is not "utf-8". | |
| 984 * Replace any non-printable characters and invalid bytes sequences with | |
| 985 * "^X" or "<xx>" escapes, and apply SpecialKey highlighting to them. | |
| 986 * TAB and NL are passed through unscathed. | |
| 987 */ | |
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988 # define IS_NONPRINTABLE(c) (((c) < 0x20 && (c) != TAB && (c) != NL) \ |
| 7 | 989 || (c) == DEL) |
| 990 static void | |
| 944 | 991 set_printable_label_text(GtkLabel *label, char_u *text) |
| 7 | 992 { |
| 993 char_u *convbuf = NULL; | |
| 994 char_u *buf; | |
| 995 char_u *p; | |
| 996 char_u *pdest; | |
| 997 unsigned int len; | |
| 998 int charlen; | |
| 999 int uc; | |
| 1000 PangoAttrList *attr_list; | |
| 1001 | |
| 1002 /* Convert to UTF-8 if it isn't already */ | |
| 1003 if (output_conv.vc_type != CONV_NONE) | |
| 1004 { | |
| 944 | 1005 convbuf = string_convert(&output_conv, text, NULL); |
| 7 | 1006 if (convbuf != NULL) |
| 944 | 1007 text = convbuf; |
| 7 | 1008 } |
| 1009 | |
| 1010 /* First let's see how much we need to allocate */ | |
| 1011 len = 0; | |
| 944 | 1012 for (p = text; *p != NUL; p += charlen) |
| 7 | 1013 { |
| 1014 if ((*p & 0x80) == 0) /* be quick for ASCII */ | |
| 1015 { | |
| 1016 charlen = 1; | |
| 1017 len += IS_NONPRINTABLE(*p) ? 2 : 1; /* nonprintable: ^X */ | |
| 1018 } | |
| 1019 else | |
| 1020 { | |
| 474 | 1021 charlen = utf_ptr2len(p); |
| 7 | 1022 uc = utf_ptr2char(p); |
| 1023 | |
| 1024 if (charlen != utf_char2len(uc)) | |
| 1025 charlen = 1; /* reject overlong sequences */ | |
| 1026 | |
| 1027 if (charlen == 1 || uc < 0xa0) /* illegal byte or */ | |
| 1028 len += 4; /* control char: <xx> */ | |
| 1029 else if (!utf_printable(uc)) | |
| 1030 /* Note: we assume here that utf_printable() doesn't | |
| 1031 * care about characters outside the BMP. */ | |
| 1032 len += 6; /* nonprintable: <xxxx> */ | |
| 1033 else | |
| 1034 len += charlen; | |
| 1035 } | |
| 1036 } | |
| 1037 | |
| 1038 attr_list = pango_attr_list_new(); | |
| 1039 buf = alloc(len + 1); | |
| 1040 | |
| 1041 /* Now go for the real work */ | |
| 1042 if (buf != NULL) | |
| 1043 { | |
| 1044 attrentry_T *aep; | |
| 1045 PangoAttribute *attr; | |
| 1046 guicolor_T pixel; | |
| 1047 GdkColor color = { 0, 0, 0, 0 }; | |
| 1048 | |
| 1049 /* Look up the RGB values of the SpecialKey foreground color. */ | |
| 1050 aep = syn_gui_attr2entry(hl_attr(HLF_8)); | |
| 1051 pixel = (aep != NULL) ? aep->ae_u.gui.fg_color : INVALCOLOR; | |
| 1052 if (pixel != INVALCOLOR) | |
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1053 # if GTK_CHECK_VERSION(3,0,0) |
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1054 { |
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1055 GdkVisual * const visual = gtk_widget_get_visual(gui.drawarea); |
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1056 |
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1057 if (visual == NULL) |
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1058 { |
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1059 color.red = 0; |
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1060 color.green = 0; |
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1061 color.blue = 0; |
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1062 } |
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1063 else |
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1064 { |
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1065 guint32 r_mask, g_mask, b_mask; |
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1066 gint r_shift, g_shift, b_shift; |
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1067 |
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1068 gdk_visual_get_red_pixel_details(visual, &r_mask, &r_shift, |
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1069 NULL); |
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1070 gdk_visual_get_green_pixel_details(visual, &g_mask, &g_shift, |
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1071 NULL); |
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1072 gdk_visual_get_blue_pixel_details(visual, &b_mask, &b_shift, |
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1073 NULL); |
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1074 |
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1075 color.red = ((pixel & r_mask) >> r_shift) / 255.0 * 65535; |
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1076 color.green = ((pixel & g_mask) >> g_shift) / 255.0 * 65535; |
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1077 color.blue = ((pixel & b_mask) >> b_shift) / 255.0 * 65535; |
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1078 } |
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1079 } |
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1080 # else |
| 7 | 1081 gdk_colormap_query_color(gtk_widget_get_colormap(gui.drawarea), |
| 1082 (unsigned long)pixel, &color); | |
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1083 # endif |
| 7 | 1084 |
| 1085 pdest = buf; | |
| 944 | 1086 p = text; |
| 7 | 1087 while (*p != NUL) |
| 1088 { | |
| 1089 /* Be quick for ASCII */ | |
| 1090 if ((*p & 0x80) == 0 && !IS_NONPRINTABLE(*p)) | |
| 1091 { | |
| 1092 *pdest++ = *p++; | |
| 1093 } | |
| 1094 else | |
| 1095 { | |
| 474 | 1096 charlen = utf_ptr2len(p); |
| 7 | 1097 uc = utf_ptr2char(p); |
| 1098 | |
| 1099 if (charlen != utf_char2len(uc)) | |
| 1100 charlen = 1; /* reject overlong sequences */ | |
| 1101 | |
| 1102 if (charlen == 1 || uc < 0xa0 || !utf_printable(uc)) | |
| 1103 { | |
| 1104 int outlen; | |
| 1105 | |
| 1106 /* Careful: we can't just use transchar_byte() here, | |
| 1107 * since 'encoding' is not necessarily set to "utf-8". */ | |
| 1108 if (*p & 0x80 && charlen == 1) | |
| 1109 { | |
| 1110 transchar_hex(pdest, *p); /* <xx> */ | |
| 1111 outlen = 4; | |
| 1112 } | |
| 1113 else if (uc >= 0x80) | |
| 1114 { | |
| 1115 /* Note: we assume here that utf_printable() doesn't | |
| 1116 * care about characters outside the BMP. */ | |
| 1117 transchar_hex(pdest, uc); /* <xx> or <xxxx> */ | |
| 1118 outlen = (uc < 0x100) ? 4 : 6; | |
| 1119 } | |
| 1120 else | |
| 1121 { | |
| 1122 transchar_nonprint(pdest, *p); /* ^X */ | |
| 1123 outlen = 2; | |
| 1124 } | |
| 1125 if (pixel != INVALCOLOR) | |
| 1126 { | |
| 1127 attr = pango_attr_foreground_new( | |
| 1128 color.red, color.green, color.blue); | |
| 1129 attr->start_index = pdest - buf; | |
| 1130 attr->end_index = pdest - buf + outlen; | |
| 1131 pango_attr_list_insert(attr_list, attr); | |
| 1132 } | |
| 1133 pdest += outlen; | |
| 1134 p += charlen; | |
| 1135 } | |
| 1136 else | |
| 1137 { | |
| 1138 do | |
| 1139 *pdest++ = *p++; | |
| 1140 while (--charlen != 0); | |
| 1141 } | |
| 1142 } | |
| 1143 } | |
| 1144 *pdest = NUL; | |
| 1145 } | |
| 1146 | |
| 1147 vim_free(convbuf); | |
| 1148 | |
| 1149 gtk_label_set_text(label, (const char *)buf); | |
| 1150 vim_free(buf); | |
| 1151 | |
| 1152 gtk_label_set_attributes(label, attr_list); | |
| 1153 pango_attr_list_unref(attr_list); | |
| 1154 } | |
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1155 # undef IS_NONPRINTABLE |
| 7 | 1156 |
| 1157 /* | |
| 1158 * Draw a balloon. | |
| 1159 */ | |
| 1160 static void | |
| 1161 drawBalloon(BalloonEval *beval) | |
| 1162 { | |
| 1163 if (beval->msg != NULL) | |
| 1164 { | |
| 1165 GtkRequisition requisition; | |
| 1166 int screen_w; | |
| 1167 int screen_h; | |
| 1168 int x; | |
| 1169 int y; | |
| 1170 int x_offset = EVAL_OFFSET_X; | |
| 1171 int y_offset = EVAL_OFFSET_Y; | |
| 1172 PangoLayout *layout; | |
| 1173 # ifdef HAVE_GTK_MULTIHEAD | |
| 1174 GdkScreen *screen; | |
| 1175 | |
| 1176 screen = gtk_widget_get_screen(beval->target); | |
| 1177 gtk_window_set_screen(GTK_WINDOW(beval->balloonShell), screen); | |
| 1178 screen_w = gdk_screen_get_width(screen); | |
| 1179 screen_h = gdk_screen_get_height(screen); | |
| 1180 # else | |
| 1181 screen_w = gdk_screen_width(); | |
| 1182 screen_h = gdk_screen_height(); | |
| 1183 # endif | |
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1184 # if !GTK_CHECK_VERSION(3,0,0) |
| 7 | 1185 gtk_widget_ensure_style(beval->balloonShell); |
| 1186 gtk_widget_ensure_style(beval->balloonLabel); | |
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1187 # endif |
| 7 | 1188 |
| 1189 set_printable_label_text(GTK_LABEL(beval->balloonLabel), beval->msg); | |
| 1190 /* | |
| 1191 * Dirty trick: Enable wrapping mode on the label's layout behind its | |
| 1192 * back. This way GtkLabel won't try to constrain the wrap width to a | |
| 1193 * builtin maximum value of about 65 Latin characters. | |
| 1194 */ | |
| 1195 layout = gtk_label_get_layout(GTK_LABEL(beval->balloonLabel)); | |
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1196 # ifdef PANGO_WRAP_WORD_CHAR |
| 7 | 1197 pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR); |
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1198 # else |
| 7 | 1199 pango_layout_set_wrap(layout, PANGO_WRAP_WORD); |
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1200 # endif |
| 7 | 1201 pango_layout_set_width(layout, |
| 1202 /* try to come up with some reasonable width */ | |
| 1203 PANGO_SCALE * CLAMP(gui.num_cols * gui.char_width, | |
| 1204 screen_w / 2, | |
| 1205 MAX(20, screen_w - 20))); | |
| 1206 | |
| 1207 /* Calculate the balloon's width and height. */ | |
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1208 # if GTK_CHECK_VERSION(3,0,0) |
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1209 gtk_widget_get_preferred_size(beval->balloonShell, &requisition, NULL); |
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1210 # else |
| 7 | 1211 gtk_widget_size_request(beval->balloonShell, &requisition); |
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1212 # endif |
| 7 | 1213 |
| 1214 /* Compute position of the balloon area */ | |
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1215 # if GTK_CHECK_VERSION(3,0,0) |
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1216 gdk_window_get_origin(gtk_widget_get_window(beval->target), &x, &y); |
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1217 # else |
| 7 | 1218 gdk_window_get_origin(beval->target->window, &x, &y); |
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1219 # endif |
| 7 | 1220 x += beval->x; |
| 1221 y += beval->y; | |
| 1222 | |
| 1223 /* Get out of the way of the mouse pointer */ | |
| 1224 if (x + x_offset + requisition.width > screen_w) | |
| 1225 y_offset += 15; | |
| 1226 if (y + y_offset + requisition.height > screen_h) | |
| 1227 y_offset = -requisition.height - EVAL_OFFSET_Y; | |
| 1228 | |
| 1229 /* Sanitize values */ | |
| 1230 x = CLAMP(x + x_offset, 0, MAX(0, screen_w - requisition.width)); | |
| 1231 y = CLAMP(y + y_offset, 0, MAX(0, screen_h - requisition.height)); | |
| 1232 | |
| 1233 /* Show the balloon */ | |
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1234 # if GTK_CHECK_VERSION(3,0,0) |
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1235 gtk_window_move(GTK_WINDOW(beval->balloonShell), x, y); |
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1236 # else |
| 7 | 1237 gtk_widget_set_uposition(beval->balloonShell, x, y); |
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1238 # endif |
| 7 | 1239 gtk_widget_show(beval->balloonShell); |
| 1240 | |
| 1241 beval->showState = ShS_SHOWING; | |
| 1242 } | |
| 1243 } | |
| 1244 | |
| 1245 /* | |
| 1246 * Undraw a balloon. | |
| 1247 */ | |
| 1248 static void | |
| 1249 undrawBalloon(BalloonEval *beval) | |
| 1250 { | |
| 1251 if (beval->balloonShell != NULL) | |
| 1252 gtk_widget_hide(beval->balloonShell); | |
| 1253 beval->showState = ShS_NEUTRAL; | |
| 1254 } | |
| 1255 | |
| 1256 static void | |
| 1257 cancelBalloon(BalloonEval *beval) | |
| 1258 { | |
| 1259 if (beval->showState == ShS_SHOWING | |
| 1260 || beval->showState == ShS_UPDATE_PENDING) | |
| 1261 undrawBalloon(beval); | |
| 1262 | |
| 1263 if (beval->timerID != 0) | |
| 1264 { | |
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1265 # if GTK_CHECK_VERSION(3,0,0) |
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1266 g_source_remove(beval->timerID); |
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1267 # else |
| 7 | 1268 gtk_timeout_remove(beval->timerID); |
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1269 # endif |
| 7 | 1270 beval->timerID = 0; |
| 1271 } | |
| 1272 beval->showState = ShS_NEUTRAL; | |
| 1273 } | |
| 1274 | |
| 1275 static void | |
| 1276 createBalloonEvalWindow(BalloonEval *beval) | |
| 1277 { | |
| 1278 beval->balloonShell = gtk_window_new(GTK_WINDOW_POPUP); | |
| 1279 | |
| 1280 gtk_widget_set_app_paintable(beval->balloonShell, TRUE); | |
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1281 # if GTK_CHECK_VERSION(3,0,0) |
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1282 gtk_window_set_resizable(GTK_WINDOW(beval->balloonShell), FALSE); |
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1283 # else |
| 7 | 1284 gtk_window_set_policy(GTK_WINDOW(beval->balloonShell), FALSE, FALSE, TRUE); |
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1285 # endif |
| 7 | 1286 gtk_widget_set_name(beval->balloonShell, "gtk-tooltips"); |
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1287 # if GTK_CHECK_VERSION(3,0,0) |
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1288 gtk_container_set_border_width(GTK_CONTAINER(beval->balloonShell), 4); |
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1289 # else |
| 7 | 1290 gtk_container_border_width(GTK_CONTAINER(beval->balloonShell), 4); |
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1291 # endif |
| 7 | 1292 |
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1293 # if GTK_CHECK_VERSION(3,0,0) |
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1294 g_signal_connect(G_OBJECT(beval->balloonShell), "draw", |
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1295 G_CALLBACK(balloon_draw_event_cb), NULL); |
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1296 # else |
| 7 | 1297 gtk_signal_connect((GtkObject*)(beval->balloonShell), "expose_event", |
| 1298 GTK_SIGNAL_FUNC(balloon_expose_event_cb), NULL); | |
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1299 # endif |
| 7 | 1300 beval->balloonLabel = gtk_label_new(NULL); |
| 1301 | |
| 1302 gtk_label_set_line_wrap(GTK_LABEL(beval->balloonLabel), FALSE); | |
| 1303 gtk_label_set_justify(GTK_LABEL(beval->balloonLabel), GTK_JUSTIFY_LEFT); | |
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1304 # if GTK_CHECK_VERSION(3,16,0) |
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1305 gtk_label_set_xalign(GTK_LABEL(beval->balloonLabel), 0.5); |
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1306 gtk_label_set_yalign(GTK_LABEL(beval->balloonLabel), 0.5); |
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1307 # elif GTK_CHECK_VERSION(3,14,0) |
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1308 GValue align_val = G_VALUE_INIT; |
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1309 g_value_init(&align_val, G_TYPE_FLOAT); |
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1310 g_value_set_float(&align_val, 0.5); |
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1311 g_object_set_property(G_OBJECT(beval->balloonLabel), "xalign", &align_val); |
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1312 g_object_set_property(G_OBJECT(beval->balloonLabel), "yalign", &align_val); |
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1313 g_value_unset(&align_val); |
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1314 # else |
| 7 | 1315 gtk_misc_set_alignment(GTK_MISC(beval->balloonLabel), 0.5f, 0.5f); |
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1316 # endif |
| 7 | 1317 gtk_widget_set_name(beval->balloonLabel, "vim-balloon-label"); |
| 1318 gtk_widget_show(beval->balloonLabel); | |
| 1319 | |
| 1320 gtk_container_add(GTK_CONTAINER(beval->balloonShell), beval->balloonLabel); | |
| 1321 } | |
| 1322 | |
| 1323 #else /* !FEAT_GUI_GTK */ | |
| 1324 | |
| 1325 /* | |
| 1326 * Draw a balloon. | |
| 1327 */ | |
| 1328 static void | |
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1329 drawBalloon(BalloonEval *beval) |
| 7 | 1330 { |
| 1331 Dimension w; | |
| 1332 Dimension h; | |
| 1333 Position tx; | |
| 1334 Position ty; | |
| 1335 | |
| 1336 if (beval->msg != NULL) | |
| 1337 { | |
| 1338 /* Show the Balloon */ | |
| 1339 | |
| 1340 /* Calculate the label's width and height */ | |
| 1341 #ifdef FEAT_GUI_MOTIF | |
| 1342 XmString s; | |
| 1343 | |
| 1344 /* For the callback function we parse NL characters to create a | |
| 1345 * multi-line label. This doesn't work for all languages, but | |
| 1346 * XmStringCreateLocalized() doesn't do multi-line labels... */ | |
| 1347 if (beval->msgCB != NULL) | |
| 1348 s = XmStringCreateLtoR((char *)beval->msg, XmFONTLIST_DEFAULT_TAG); | |
| 1349 else | |
| 1350 s = XmStringCreateLocalized((char *)beval->msg); | |
| 1351 { | |
| 1352 XmFontList fl; | |
| 1353 | |
| 1354 fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset); | |
| 6003 | 1355 if (fl == NULL) |
| 7 | 1356 { |
| 6003 | 1357 XmStringFree(s); |
| 1358 return; | |
| 7 | 1359 } |
| 6003 | 1360 XmStringExtent(fl, s, &w, &h); |
| 1361 XmFontListFree(fl); | |
| 7 | 1362 } |
| 1363 w += gui.border_offset << 1; | |
| 1364 h += gui.border_offset << 1; | |
| 1365 XtVaSetValues(beval->balloonLabel, XmNlabelString, s, NULL); | |
| 1366 XmStringFree(s); | |
| 1367 #else /* Athena */ | |
| 1368 /* Assume XtNinternational == True */ | |
| 1369 XFontSet fset; | |
| 1370 XFontSetExtents *ext; | |
| 1371 | |
| 1372 XtVaGetValues(beval->balloonLabel, XtNfontSet, &fset, NULL); | |
| 1373 ext = XExtentsOfFontSet(fset); | |
| 1374 h = ext->max_ink_extent.height; | |
| 1375 w = XmbTextEscapement(fset, | |
| 1376 (char *)beval->msg, | |
| 1377 (int)STRLEN(beval->msg)); | |
| 1378 w += gui.border_offset << 1; | |
| 1379 h += gui.border_offset << 1; | |
| 1380 XtVaSetValues(beval->balloonLabel, XtNlabel, beval->msg, NULL); | |
| 1381 #endif | |
| 1382 | |
| 1383 /* Compute position of the balloon area */ | |
| 1384 tx = beval->x_root + EVAL_OFFSET_X; | |
| 1385 ty = beval->y_root + EVAL_OFFSET_Y; | |
| 1386 if ((tx + w) > beval->screen_width) | |
| 1387 tx = beval->screen_width - w; | |
| 1388 if ((ty + h) > beval->screen_height) | |
| 1389 ty = beval->screen_height - h; | |
| 1390 #ifdef FEAT_GUI_MOTIF | |
| 1391 XtVaSetValues(beval->balloonShell, | |
| 1392 XmNx, tx, | |
| 1393 XmNy, ty, | |
| 1394 NULL); | |
| 1395 #else | |
| 1396 /* Athena */ | |
| 1397 XtVaSetValues(beval->balloonShell, | |
| 1398 XtNx, tx, | |
| 1399 XtNy, ty, | |
| 1400 NULL); | |
| 1401 #endif | |
| 1844 | 1402 /* Set tooltip colors */ |
| 1403 { | |
| 1404 Arg args[2]; | |
| 1405 | |
| 1406 #ifdef FEAT_GUI_MOTIF | |
| 1407 args[0].name = XmNbackground; | |
| 1408 args[0].value = gui.tooltip_bg_pixel; | |
| 1409 args[1].name = XmNforeground; | |
| 1410 args[1].value = gui.tooltip_fg_pixel; | |
| 1411 #else /* Athena */ | |
| 1412 args[0].name = XtNbackground; | |
| 1413 args[0].value = gui.tooltip_bg_pixel; | |
| 1414 args[1].name = XtNforeground; | |
| 1415 args[1].value = gui.tooltip_fg_pixel; | |
| 1416 #endif | |
| 1417 XtSetValues(beval->balloonLabel, &args[0], XtNumber(args)); | |
| 1418 } | |
| 7 | 1419 |
| 1420 XtPopup(beval->balloonShell, XtGrabNone); | |
| 1421 | |
| 1422 beval->showState = ShS_SHOWING; | |
| 1423 | |
| 1424 current_beval = beval; | |
| 1425 } | |
| 1426 } | |
| 1427 | |
| 1428 /* | |
| 1429 * Undraw a balloon. | |
| 1430 */ | |
| 1431 static void | |
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1432 undrawBalloon(BalloonEval *beval) |
| 7 | 1433 { |
| 1434 if (beval->balloonShell != (Widget)0) | |
| 1435 XtPopdown(beval->balloonShell); | |
| 1436 beval->showState = ShS_NEUTRAL; | |
| 1437 | |
| 1438 current_beval = NULL; | |
| 1439 } | |
| 1440 | |
| 1441 static void | |
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1442 cancelBalloon(BalloonEval *beval) |
| 7 | 1443 { |
| 1444 if (beval->showState == ShS_SHOWING | |
| 1445 || beval->showState == ShS_UPDATE_PENDING) | |
| 1446 undrawBalloon(beval); | |
| 1447 | |
| 1448 if (beval->timerID != (XtIntervalId)NULL) | |
| 1449 { | |
| 1450 XtRemoveTimeOut(beval->timerID); | |
| 1451 beval->timerID = (XtIntervalId)NULL; | |
| 1452 } | |
| 1453 beval->showState = ShS_NEUTRAL; | |
| 1454 } | |
| 1455 | |
| 1456 | |
| 1457 static void | |
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1458 createBalloonEvalWindow(BalloonEval *beval) |
| 7 | 1459 { |
| 1460 Arg args[12]; | |
| 1461 int n; | |
| 1462 | |
| 1463 n = 0; | |
| 1464 #ifdef FEAT_GUI_MOTIF | |
| 1465 XtSetArg(args[n], XmNallowShellResize, True); n++; | |
| 1466 beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval", | |
| 1467 overrideShellWidgetClass, gui.dpy, args, n); | |
| 1468 #else | |
| 1469 /* Athena */ | |
| 1470 XtSetArg(args[n], XtNallowShellResize, True); n++; | |
| 1471 beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval", | |
| 1472 overrideShellWidgetClass, gui.dpy, args, n); | |
| 1473 #endif | |
| 1474 | |
| 1475 n = 0; | |
| 1476 #ifdef FEAT_GUI_MOTIF | |
| 1477 { | |
| 1478 XmFontList fl; | |
| 1479 | |
| 1480 fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset); | |
| 1481 XtSetArg(args[n], XmNforeground, gui.tooltip_fg_pixel); n++; | |
| 1482 XtSetArg(args[n], XmNbackground, gui.tooltip_bg_pixel); n++; | |
| 1483 XtSetArg(args[n], XmNfontList, fl); n++; | |
| 1484 XtSetArg(args[n], XmNalignment, XmALIGNMENT_BEGINNING); n++; | |
| 1485 beval->balloonLabel = XtCreateManagedWidget("balloonLabel", | |
| 1486 xmLabelWidgetClass, beval->balloonShell, args, n); | |
| 1487 } | |
| 1488 #else /* FEAT_GUI_ATHENA */ | |
| 1489 XtSetArg(args[n], XtNforeground, gui.tooltip_fg_pixel); n++; | |
| 1490 XtSetArg(args[n], XtNbackground, gui.tooltip_bg_pixel); n++; | |
| 1491 XtSetArg(args[n], XtNinternational, True); n++; | |
| 1492 XtSetArg(args[n], XtNfontSet, gui.tooltip_fontset); n++; | |
| 1493 beval->balloonLabel = XtCreateManagedWidget("balloonLabel", | |
| 1494 labelWidgetClass, beval->balloonShell, args, n); | |
| 1495 #endif | |
| 1496 } | |
| 1497 | |
| 1498 #endif /* !FEAT_GUI_GTK */ | |
| 1499 #endif /* !FEAT_GUI_W32 */ | |
| 1500 | |
| 1501 #endif /* FEAT_BEVAL */ |