Mercurial > vim
annotate src/gui_beval.c @ 8579:556817999955 v7.4.1579
commit https://github.com/vim/vim/commit/a3dc5e92dcb79bdc4f0103e6eb91de4c7a6ee9a7
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Mar 15 23:19:14 2016 +0100
patch 7.4.1579
Problem: Missing changes in channel.c
Solution: Include the changes.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Tue, 15 Mar 2016 23:30:06 +0100 |
| parents | 3456e2ebebd4 |
| children | fc69eed19ba7 |
| 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); | |
| 64 set_vim_var_nr(VV_BEVAL_LNUM, (long)lnum); | |
| 65 set_vim_var_nr(VV_BEVAL_COL, (long)(col + 1)); | |
| 66 set_vim_var_string(VV_BEVAL_TEXT, text, -1); | |
| 67 vim_free(text); | |
| 634 | 68 |
| 791 | 69 /* |
| 70 * Temporarily change the curbuf, so that we can determine whether | |
| 1228 | 71 * the buffer-local balloonexpr option was set insecurely. |
| 791 | 72 */ |
| 73 save_curbuf = curbuf; | |
| 74 curbuf = wp->w_buffer; | |
| 75 use_sandbox = was_set_insecurely((char_u *)"balloonexpr", | |
| 76 *curbuf->b_p_bexpr == NUL ? 0 : OPT_LOCAL); | |
| 77 curbuf = save_curbuf; | |
| 78 if (use_sandbox) | |
| 79 ++sandbox; | |
| 80 ++textlock; | |
| 634 | 81 |
| 791 | 82 vim_free(result); |
| 83 result = eval_to_string(bexpr, NULL, TRUE); | |
| 84 | |
| 6297 | 85 /* Remove one trailing newline, it is added when the result was a |
| 86 * list and it's hardly every useful. If the user really wants a | |
| 87 * trailing newline he can add two and one remains. */ | |
| 88 if (result != NULL) | |
| 89 { | |
| 90 len = STRLEN(result); | |
| 91 if (len > 0 && result[len - 1] == NL) | |
| 92 result[len - 1] = NUL; | |
| 93 } | |
| 94 | |
| 791 | 95 if (use_sandbox) |
| 96 --sandbox; | |
| 97 --textlock; | |
| 192 | 98 |
| 791 | 99 set_vim_var_string(VV_BEVAL_TEXT, NULL, -1); |
| 100 if (result != NULL && result[0] != NUL) | |
| 101 { | |
| 102 gui_mch_post_balloon(beval, result); | |
| 865 | 103 recursive = FALSE; |
| 791 | 104 return; |
| 105 } | |
| 192 | 106 } |
| 107 } | |
| 108 #endif | |
| 109 #ifdef FEAT_NETBEANS_INTG | |
| 110 if (bevalServers & BEVAL_NETBEANS) | |
| 111 netbeans_beval_cb(beval, state); | |
| 112 #endif | |
| 113 #ifdef FEAT_SUN_WORKSHOP | |
| 114 if (bevalServers & BEVAL_WORKSHOP) | |
| 115 workshop_beval_cb(beval, state); | |
| 116 #endif | |
| 865 | 117 |
| 118 recursive = FALSE; | |
| 192 | 119 } |
| 120 | |
| 121 /* on Win32 only get_beval_info() is required */ | |
| 7 | 122 #if !defined(FEAT_GUI_W32) || defined(PROTO) |
| 123 | |
| 124 #ifdef FEAT_GUI_GTK | |
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125 # if GTK_CHECK_VERSION(3,0,0) |
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126 # include <gdk/gdkkeysyms-compat.h> |
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127 # else |
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128 # include <gdk/gdkkeysyms.h> |
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129 # endif |
| 7 | 130 # include <gtk/gtk.h> |
| 131 #else | |
| 132 # include <X11/keysym.h> | |
| 133 # ifdef FEAT_GUI_MOTIF | |
| 134 # include <Xm/PushB.h> | |
| 135 # include <Xm/Separator.h> | |
| 136 # include <Xm/List.h> | |
| 137 # include <Xm/Label.h> | |
| 138 # include <Xm/AtomMgr.h> | |
| 139 # include <Xm/Protocols.h> | |
| 140 # else | |
| 141 /* Assume Athena */ | |
| 142 # include <X11/Shell.h> | |
| 680 | 143 # ifdef FEAT_GUI_NEXTAW |
| 144 # include <X11/neXtaw/Label.h> | |
| 145 # else | |
| 146 # include <X11/Xaw/Label.h> | |
| 147 # endif | |
| 7 | 148 # endif |
| 149 #endif | |
| 150 | |
| 151 #include "gui_beval.h" | |
| 152 | |
| 153 #ifndef FEAT_GUI_GTK | |
| 154 extern Widget vimShell; | |
| 155 | |
| 156 /* | |
| 157 * Currently, we assume that there can be only one BalloonEval showing | |
| 158 * on-screen at any given moment. This variable will hold the currently | |
| 159 * showing BalloonEval or NULL if none is showing. | |
| 160 */ | |
| 161 static BalloonEval *current_beval = NULL; | |
| 162 #endif | |
| 163 | |
| 164 #ifdef FEAT_GUI_GTK | |
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165 static void addEventHandler(GtkWidget *, BalloonEval *); |
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166 static void removeEventHandler(BalloonEval *); |
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167 static gint target_event_cb(GtkWidget *, GdkEvent *, gpointer); |
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168 static gint mainwin_event_cb(GtkWidget *, GdkEvent *, gpointer); |
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169 static void pointer_event(BalloonEval *, int, int, unsigned); |
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170 static void key_event(BalloonEval *, unsigned, int); |
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171 # if GTK_CHECK_VERSION(3,0,0) |
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172 static gboolean timeout_cb(gpointer); |
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173 # else |
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174 static gint timeout_cb(gpointer); |
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175 # endif |
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176 # if GTK_CHECK_VERSION(3,0,0) |
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177 static gboolean balloon_draw_event_cb (GtkWidget *, cairo_t *, gpointer); |
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178 # else |
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179 static gint balloon_expose_event_cb (GtkWidget *, GdkEventExpose *, gpointer); |
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180 # endif |
| 7 | 181 #else |
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182 static void addEventHandler(Widget, BalloonEval *); |
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183 static void removeEventHandler(BalloonEval *); |
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184 static void pointerEventEH(Widget, XtPointer, XEvent *, Boolean *); |
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185 static void pointerEvent(BalloonEval *, XEvent *); |
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186 static void timerRoutine(XtPointer, XtIntervalId *); |
| 7 | 187 #endif |
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188 static void cancelBalloon(BalloonEval *); |
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189 static void requestBalloon(BalloonEval *); |
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190 static void drawBalloon(BalloonEval *); |
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191 static void undrawBalloon(BalloonEval *beval); |
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192 static void createBalloonEvalWindow(BalloonEval *); |
| 7 | 193 |
| 194 | |
| 195 | |
| 196 /* | |
| 197 * Create a balloon-evaluation area for a Widget. | |
| 198 * There can be either a "mesg" for a fixed string or "mesgCB" to generate a | |
| 199 * message by calling this callback function. | |
| 200 * When "mesg" is not NULL it must remain valid for as long as the balloon is | |
| 201 * used. It is not freed here. | |
| 202 * Returns a pointer to the resulting object (NULL when out of memory). | |
| 203 */ | |
| 204 BalloonEval * | |
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205 gui_mch_create_beval_area( |
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206 void *target, |
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207 char_u *mesg, |
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208 void (*mesgCB)(BalloonEval *, int), |
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209 void *clientData) |
| 7 | 210 { |
| 211 #ifndef FEAT_GUI_GTK | |
| 212 char *display_name; /* get from gui.dpy */ | |
| 213 int screen_num; | |
| 214 char *p; | |
| 215 #endif | |
| 216 BalloonEval *beval; | |
| 217 | |
| 218 if (mesg != NULL && mesgCB != NULL) | |
| 219 { | |
| 220 EMSG(_("E232: Cannot create BalloonEval with both message and callback")); | |
| 221 return NULL; | |
| 222 } | |
| 223 | |
| 224 beval = (BalloonEval *)alloc(sizeof(BalloonEval)); | |
| 225 if (beval != NULL) | |
| 226 { | |
| 227 #ifdef FEAT_GUI_GTK | |
| 228 beval->target = GTK_WIDGET(target); | |
| 229 beval->balloonShell = NULL; | |
| 230 beval->timerID = 0; | |
| 231 #else | |
| 232 beval->target = (Widget)target; | |
| 233 beval->balloonShell = NULL; | |
| 234 beval->timerID = (XtIntervalId)NULL; | |
| 235 beval->appContext = XtWidgetToApplicationContext((Widget)target); | |
| 236 #endif | |
| 237 beval->showState = ShS_NEUTRAL; | |
| 238 beval->x = 0; | |
| 239 beval->y = 0; | |
| 240 beval->msg = mesg; | |
| 241 beval->msgCB = mesgCB; | |
| 242 beval->clientData = clientData; | |
| 243 | |
| 244 /* | |
| 245 * Set up event handler which will keep its eyes on the pointer, | |
| 246 * and when the pointer rests in a certain spot for a given time | |
| 247 * interval, show the beval. | |
| 248 */ | |
| 249 addEventHandler(beval->target, beval); | |
| 250 createBalloonEvalWindow(beval); | |
| 251 | |
| 252 #ifndef FEAT_GUI_GTK | |
| 253 /* | |
| 254 * Now create and save the screen width and height. Used in drawing. | |
| 255 */ | |
| 256 display_name = DisplayString(gui.dpy); | |
| 257 p = strrchr(display_name, '.'); | |
| 258 if (p != NULL) | |
| 259 screen_num = atoi(++p); | |
| 260 else | |
| 261 screen_num = 0; | |
| 262 beval->screen_width = DisplayWidth(gui.dpy, screen_num); | |
| 263 beval->screen_height = DisplayHeight(gui.dpy, screen_num); | |
| 264 #endif | |
| 265 } | |
| 266 | |
| 267 return beval; | |
| 268 } | |
| 269 | |
| 270 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 271 /* | |
| 1228 | 272 * Destroy a balloon-eval and free its associated memory. |
| 7 | 273 */ |
| 274 void | |
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275 gui_mch_destroy_beval_area(BalloonEval *beval) |
| 7 | 276 { |
| 277 cancelBalloon(beval); | |
| 278 removeEventHandler(beval); | |
| 279 /* Children will automatically be destroyed */ | |
| 280 # ifdef FEAT_GUI_GTK | |
| 281 gtk_widget_destroy(beval->balloonShell); | |
| 282 # else | |
| 283 XtDestroyWidget(beval->balloonShell); | |
| 284 # endif | |
| 285 vim_free(beval); | |
| 286 } | |
| 287 #endif | |
| 288 | |
| 289 void | |
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290 gui_mch_enable_beval_area(BalloonEval *beval) |
| 7 | 291 { |
| 292 if (beval != NULL) | |
| 293 addEventHandler(beval->target, beval); | |
| 294 } | |
| 295 | |
| 296 void | |
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297 gui_mch_disable_beval_area(BalloonEval *beval) |
| 7 | 298 { |
| 299 if (beval != NULL) | |
| 300 removeEventHandler(beval); | |
| 301 } | |
| 302 | |
| 303 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 304 /* | |
| 305 * This function returns the BalloonEval * associated with the currently | |
| 306 * displayed tooltip. Returns NULL if there is no tooltip currently showing. | |
| 307 * | |
| 308 * Assumption: Only one tooltip can be shown at a time. | |
| 309 */ | |
| 310 BalloonEval * | |
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311 gui_mch_currently_showing_beval(void) |
| 7 | 312 { |
| 313 return current_beval; | |
| 314 } | |
| 315 #endif | |
| 316 #endif /* !FEAT_GUI_W32 */ | |
| 317 | |
| 192 | 318 #if defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) \ |
| 319 || defined(FEAT_EVAL) || defined(PROTO) | |
| 7 | 320 /* |
| 321 * Get the text and position to be evaluated for "beval". | |
| 192 | 322 * If "getword" is true the returned text is not the whole line but the |
| 323 * relevant word in allocated memory. | |
| 7 | 324 * Returns OK or FAIL. |
| 325 */ | |
| 326 int | |
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327 get_beval_info( |
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328 BalloonEval *beval, |
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329 int getword, |
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330 win_T **winp, |
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331 linenr_T *lnump, |
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332 char_u **textp, |
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333 int *colp) |
| 7 | 334 { |
| 335 win_T *wp; | |
| 336 int row, col; | |
| 337 char_u *lbuf; | |
| 338 linenr_T lnum; | |
| 339 | |
| 192 | 340 *textp = NULL; |
| 7 | 341 row = Y_2_ROW(beval->y); |
| 342 col = X_2_COL(beval->x); | |
| 640 | 343 #ifdef FEAT_WINDOWS |
| 7 | 344 wp = mouse_find_win(&row, &col); |
| 640 | 345 #else |
| 346 wp = firstwin; | |
| 347 #endif | |
| 7 | 348 if (wp != NULL && row < wp->w_height && col < W_WIDTH(wp)) |
| 349 { | |
| 350 /* Found a window and the cursor is in the text. Now find the line | |
| 351 * number. */ | |
| 352 if (!mouse_comp_pos(wp, &row, &col, &lnum)) | |
| 353 { | |
| 354 /* Not past end of the file. */ | |
| 355 lbuf = ml_get_buf(wp->w_buffer, lnum, FALSE); | |
| 356 if (col <= win_linetabsize(wp, lbuf, (colnr_T)MAXCOL)) | |
| 357 { | |
| 358 /* Not past end of line. */ | |
| 192 | 359 if (getword) |
| 7 | 360 { |
| 361 /* For Netbeans we get the relevant part of the line | |
| 362 * instead of the whole line. */ | |
| 363 int len; | |
| 364 pos_T *spos = NULL, *epos = NULL; | |
| 365 | |
| 366 if (VIsual_active) | |
| 367 { | |
| 368 if (lt(VIsual, curwin->w_cursor)) | |
| 369 { | |
| 370 spos = &VIsual; | |
| 371 epos = &curwin->w_cursor; | |
| 372 } | |
| 373 else | |
| 374 { | |
| 375 spos = &curwin->w_cursor; | |
| 376 epos = &VIsual; | |
| 377 } | |
| 378 } | |
| 379 | |
| 3877 | 380 col = vcol2col(wp, lnum, col); |
| 7 | 381 |
| 382 if (VIsual_active | |
| 383 && wp->w_buffer == curwin->w_buffer | |
| 384 && (lnum == spos->lnum | |
| 385 ? col >= (int)spos->col | |
| 386 : lnum > spos->lnum) | |
| 387 && (lnum == epos->lnum | |
| 388 ? col <= (int)epos->col | |
| 389 : lnum < epos->lnum)) | |
| 390 { | |
| 391 /* Visual mode and pointing to the line with the | |
| 392 * Visual selection: return selected text, with a | |
| 393 * maximum of one line. */ | |
| 394 if (spos->lnum != epos->lnum || spos->col == epos->col) | |
| 395 return FAIL; | |
| 396 | |
| 397 lbuf = ml_get_buf(curwin->w_buffer, VIsual.lnum, FALSE); | |
| 3877 | 398 len = epos->col - spos->col; |
| 399 if (*p_sel != 'e') | |
| 400 len += MB_PTR2LEN(lbuf + epos->col); | |
| 401 lbuf = vim_strnsave(lbuf + spos->col, len); | |
| 7 | 402 lnum = spos->lnum; |
| 403 col = spos->col; | |
| 404 } | |
| 405 else | |
| 406 { | |
| 407 /* Find the word under the cursor. */ | |
| 408 ++emsg_off; | |
| 409 len = find_ident_at_pos(wp, lnum, (colnr_T)col, &lbuf, | |
| 410 FIND_IDENT + FIND_STRING + FIND_EVAL); | |
| 411 --emsg_off; | |
| 412 if (len == 0) | |
| 413 return FAIL; | |
| 414 lbuf = vim_strnsave(lbuf, len); | |
| 415 } | |
| 416 } | |
| 192 | 417 |
| 418 *winp = wp; | |
| 419 *lnump = lnum; | |
| 420 *textp = lbuf; | |
| 421 *colp = col; | |
| 7 | 422 beval->ts = wp->w_buffer->b_p_ts; |
| 423 return OK; | |
| 424 } | |
| 425 } | |
| 426 } | |
| 427 | |
| 428 return FAIL; | |
| 429 } | |
| 430 | |
| 431 # if !defined(FEAT_GUI_W32) || defined(PROTO) | |
| 432 | |
| 433 /* | |
| 434 * Show a balloon with "mesg". | |
| 435 */ | |
| 436 void | |
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437 gui_mch_post_balloon(BalloonEval *beval, char_u *mesg) |
| 7 | 438 { |
| 439 beval->msg = mesg; | |
| 440 if (mesg != NULL) | |
| 441 drawBalloon(beval); | |
| 442 else | |
| 443 undrawBalloon(beval); | |
| 444 } | |
| 445 # endif /* FEAT_GUI_W32 */ | |
| 446 #endif /* FEAT_SUN_WORKSHOP || FEAT_NETBEANS_INTG || PROTO */ | |
| 447 | |
| 448 #if !defined(FEAT_GUI_W32) || defined(PROTO) | |
| 449 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 450 /* | |
| 451 * Hide the given balloon. | |
| 452 */ | |
| 453 void | |
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454 gui_mch_unpost_balloon(BalloonEval *beval) |
| 7 | 455 { |
| 456 undrawBalloon(beval); | |
| 457 } | |
| 458 #endif | |
| 459 | |
| 460 #ifdef FEAT_GUI_GTK | |
| 461 /* | |
| 462 * We can unconditionally use ANSI-style prototypes here since | |
| 463 * GTK+ requires an ANSI C compiler anyway. | |
| 464 */ | |
| 465 static void | |
| 466 addEventHandler(GtkWidget *target, BalloonEval *beval) | |
| 467 { | |
| 468 /* | |
| 469 * Connect to the generic "event" signal instead of the individual | |
| 470 * signals for each event type, because the former is emitted earlier. | |
| 471 * This allows us to catch events independently of the signal handlers | |
| 472 * in gui_gtk_x11.c. | |
| 473 */ | |
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474 # if GTK_CHECK_VERSION(3,0,0) |
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475 g_signal_connect(G_OBJECT(target), "event", |
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476 G_CALLBACK(target_event_cb), |
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477 beval); |
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478 # else |
| 7 | 479 /* Should use GTK_OBJECT() here, but that causes a lint warning... */ |
| 480 gtk_signal_connect((GtkObject*)(target), "event", | |
| 481 GTK_SIGNAL_FUNC(target_event_cb), | |
| 482 beval); | |
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483 # endif |
| 7 | 484 /* |
| 485 * Nasty: Key press events go to the main window thus the drawing area | |
| 486 * will never see them. This means we have to connect to the main window | |
| 487 * as well in order to catch those events. | |
| 488 */ | |
| 489 if (gtk_socket_id == 0 && gui.mainwin != NULL | |
| 490 && gtk_widget_is_ancestor(target, gui.mainwin)) | |
| 491 { | |
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492 # if GTK_CHECK_VERSION(3,0,0) |
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493 g_signal_connect(G_OBJECT(gui.mainwin), "event", |
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494 G_CALLBACK(mainwin_event_cb), |
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495 beval); |
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496 # else |
| 7 | 497 gtk_signal_connect((GtkObject*)(gui.mainwin), "event", |
| 498 GTK_SIGNAL_FUNC(mainwin_event_cb), | |
| 499 beval); | |
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500 # endif |
| 7 | 501 } |
| 502 } | |
| 503 | |
| 504 static void | |
| 505 removeEventHandler(BalloonEval *beval) | |
| 506 { | |
| 137 | 507 /* LINTED: avoid warning: dubious operation on enum */ |
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508 # if GTK_CHECK_VERSION(3,0,0) |
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509 g_signal_handlers_disconnect_by_func(G_OBJECT(beval->target), |
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510 G_CALLBACK(target_event_cb), |
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511 beval); |
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512 # else |
| 7 | 513 gtk_signal_disconnect_by_func((GtkObject*)(beval->target), |
| 514 GTK_SIGNAL_FUNC(target_event_cb), | |
| 515 beval); | |
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516 # endif |
| 7 | 517 |
| 518 if (gtk_socket_id == 0 && gui.mainwin != NULL | |
| 519 && gtk_widget_is_ancestor(beval->target, gui.mainwin)) | |
| 520 { | |
| 137 | 521 /* LINTED: avoid warning: dubious operation on enum */ |
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522 # if GTK_CHECK_VERSION(3,0,0) |
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523 g_signal_handlers_disconnect_by_func(G_OBJECT(gui.mainwin), |
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524 G_CALLBACK(mainwin_event_cb), |
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525 beval); |
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526 # else |
| 7 | 527 gtk_signal_disconnect_by_func((GtkObject*)(gui.mainwin), |
| 528 GTK_SIGNAL_FUNC(mainwin_event_cb), | |
| 529 beval); | |
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530 # endif |
| 7 | 531 } |
| 532 } | |
| 533 | |
| 534 static gint | |
| 535 target_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data) | |
| 536 { | |
| 537 BalloonEval *beval = (BalloonEval *)data; | |
| 538 | |
| 539 switch (event->type) | |
| 540 { | |
| 541 case GDK_ENTER_NOTIFY: | |
| 542 pointer_event(beval, (int)event->crossing.x, | |
| 543 (int)event->crossing.y, | |
| 544 event->crossing.state); | |
| 545 break; | |
| 546 case GDK_MOTION_NOTIFY: | |
| 547 if (event->motion.is_hint) | |
| 548 { | |
| 549 int x; | |
| 550 int y; | |
| 551 GdkModifierType state; | |
| 552 /* | |
| 553 * GDK_POINTER_MOTION_HINT_MASK is set, thus we cannot obtain | |
| 554 * the coordinates from the GdkEventMotion struct directly. | |
| 555 */ | |
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556 # if GTK_CHECK_VERSION(3,0,0) |
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557 { |
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558 GdkWindow * const win = gtk_widget_get_window(widget); |
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559 GdkDisplay * const dpy = gdk_window_get_display(win); |
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560 GdkDeviceManager * const mngr = gdk_display_get_device_manager(dpy); |
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561 GdkDevice * const dev = gdk_device_manager_get_client_pointer(mngr); |
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562 gdk_window_get_device_position(win, dev , &x, &y, &state); |
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563 } |
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564 # else |
| 7 | 565 gdk_window_get_pointer(widget->window, &x, &y, &state); |
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566 # endif |
| 7 | 567 pointer_event(beval, x, y, (unsigned int)state); |
| 568 } | |
| 569 else | |
| 570 { | |
| 571 pointer_event(beval, (int)event->motion.x, | |
| 572 (int)event->motion.y, | |
| 573 event->motion.state); | |
| 574 } | |
| 575 break; | |
| 576 case GDK_LEAVE_NOTIFY: | |
| 577 /* | |
| 578 * Ignore LeaveNotify events that are not "normal". | |
| 579 * Apparently we also get it when somebody else grabs focus. | |
| 580 */ | |
| 581 if (event->crossing.mode == GDK_CROSSING_NORMAL) | |
| 582 cancelBalloon(beval); | |
| 583 break; | |
| 584 case GDK_BUTTON_PRESS: | |
| 585 case GDK_SCROLL: | |
| 586 cancelBalloon(beval); | |
| 587 break; | |
| 588 case GDK_KEY_PRESS: | |
| 589 key_event(beval, event->key.keyval, TRUE); | |
| 590 break; | |
| 591 case GDK_KEY_RELEASE: | |
| 592 key_event(beval, event->key.keyval, FALSE); | |
| 593 break; | |
| 594 default: | |
| 595 break; | |
| 596 } | |
| 597 | |
| 598 return FALSE; /* continue emission */ | |
| 599 } | |
| 600 | |
| 601 static gint | |
| 1884 | 602 mainwin_event_cb(GtkWidget *widget UNUSED, GdkEvent *event, gpointer data) |
| 7 | 603 { |
| 604 BalloonEval *beval = (BalloonEval *)data; | |
| 605 | |
| 606 switch (event->type) | |
| 607 { | |
| 608 case GDK_KEY_PRESS: | |
| 609 key_event(beval, event->key.keyval, TRUE); | |
| 610 break; | |
| 611 case GDK_KEY_RELEASE: | |
| 612 key_event(beval, event->key.keyval, FALSE); | |
| 613 break; | |
| 614 default: | |
| 615 break; | |
| 616 } | |
| 617 | |
| 618 return FALSE; /* continue emission */ | |
| 619 } | |
| 620 | |
| 621 static void | |
| 622 pointer_event(BalloonEval *beval, int x, int y, unsigned state) | |
| 623 { | |
| 624 int distance; | |
| 625 | |
| 626 distance = ABS(x - beval->x) + ABS(y - beval->y); | |
| 627 | |
| 628 if (distance > 4) | |
| 629 { | |
| 630 /* | |
| 631 * Moved out of the balloon location: cancel it. | |
| 632 * Remember button state | |
| 633 */ | |
| 634 beval->state = state; | |
| 635 cancelBalloon(beval); | |
| 636 | |
| 637 /* Mouse buttons are pressed - no balloon now */ | |
| 638 if (!(state & ((int)GDK_BUTTON1_MASK | (int)GDK_BUTTON2_MASK | |
| 639 | (int)GDK_BUTTON3_MASK))) | |
| 640 { | |
| 641 beval->x = x; | |
| 642 beval->y = y; | |
| 643 | |
| 644 if (state & (int)GDK_MOD1_MASK) | |
| 645 { | |
| 646 /* | |
| 647 * Alt is pressed -- enter super-evaluate-mode, | |
| 648 * where there is no time delay | |
| 649 */ | |
| 650 if (beval->msgCB != NULL) | |
| 651 { | |
| 652 beval->showState = ShS_PENDING; | |
| 653 (*beval->msgCB)(beval, state); | |
| 654 } | |
| 655 } | |
| 656 else | |
| 657 { | |
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658 # if GTK_CHECK_VERSION(3,0,0) |
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659 beval->timerID = g_timeout_add((guint)p_bdlay, |
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660 &timeout_cb, beval); |
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661 # else |
| 7 | 662 beval->timerID = gtk_timeout_add((guint32)p_bdlay, |
| 663 &timeout_cb, beval); | |
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664 # endif |
| 7 | 665 } |
| 666 } | |
| 667 } | |
| 668 } | |
| 669 | |
| 670 static void | |
| 671 key_event(BalloonEval *beval, unsigned keyval, int is_keypress) | |
| 672 { | |
| 673 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 674 { | |
| 675 switch (keyval) | |
| 676 { | |
| 677 case GDK_Shift_L: | |
| 678 case GDK_Shift_R: | |
| 679 beval->showState = ShS_UPDATE_PENDING; | |
| 680 (*beval->msgCB)(beval, (is_keypress) | |
| 681 ? (int)GDK_SHIFT_MASK : 0); | |
| 682 break; | |
| 683 case GDK_Control_L: | |
| 684 case GDK_Control_R: | |
| 685 beval->showState = ShS_UPDATE_PENDING; | |
| 686 (*beval->msgCB)(beval, (is_keypress) | |
| 687 ? (int)GDK_CONTROL_MASK : 0); | |
| 688 break; | |
| 689 default: | |
| 667 | 690 /* Don't do this for key release, we apparently get these with |
| 691 * focus changes in some GTK version. */ | |
| 692 if (is_keypress) | |
| 693 cancelBalloon(beval); | |
| 7 | 694 break; |
| 695 } | |
| 696 } | |
| 697 else | |
| 698 cancelBalloon(beval); | |
| 699 } | |
| 700 | |
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701 # if GTK_CHECK_VERSION(3,0,0) |
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702 static gboolean |
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703 # else |
| 7 | 704 static gint |
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705 # endif |
| 7 | 706 timeout_cb(gpointer data) |
| 707 { | |
| 708 BalloonEval *beval = (BalloonEval *)data; | |
| 709 | |
| 710 beval->timerID = 0; | |
| 711 /* | |
| 712 * If the timer event happens then the mouse has stopped long enough for | |
| 713 * a request to be started. The request will only send to the debugger if | |
| 714 * there the mouse is pointing at real data. | |
| 715 */ | |
| 716 requestBalloon(beval); | |
| 717 | |
| 718 return FALSE; /* don't call me again */ | |
| 719 } | |
| 720 | |
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721 # if GTK_CHECK_VERSION(3,0,0) |
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722 static gboolean |
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723 balloon_draw_event_cb(GtkWidget *widget, |
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724 cairo_t *cr, |
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725 gpointer data UNUSED) |
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726 { |
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727 GtkStyleContext *context = NULL; |
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728 gint width = -1, height = -1; |
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729 |
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730 if (widget == NULL) |
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731 return TRUE; |
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732 |
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733 context = gtk_widget_get_style_context(widget); |
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734 width = gtk_widget_get_allocated_width(widget); |
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735 height = gtk_widget_get_allocated_height(widget); |
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736 |
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737 gtk_style_context_save(context); |
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738 |
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739 gtk_style_context_add_class(context, "tooltip"); |
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740 gtk_style_context_set_state(context, GTK_STATE_FLAG_NORMAL); |
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741 |
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742 cairo_save(cr); |
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743 gtk_render_frame(context, cr, 0, 0, width, height); |
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744 gtk_render_background(context, cr, 0, 0, width, height); |
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745 cairo_restore(cr); |
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746 |
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747 gtk_style_context_restore(context); |
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748 |
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749 return FALSE; |
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750 } |
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751 # else |
| 7 | 752 static gint |
| 1884 | 753 balloon_expose_event_cb(GtkWidget *widget, |
| 754 GdkEventExpose *event, | |
| 755 gpointer data UNUSED) | |
| 7 | 756 { |
| 757 gtk_paint_flat_box(widget->style, widget->window, | |
| 758 GTK_STATE_NORMAL, GTK_SHADOW_OUT, | |
| 759 &event->area, widget, "tooltip", | |
| 760 0, 0, -1, -1); | |
| 761 | |
| 762 return FALSE; /* continue emission */ | |
| 763 } | |
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764 # endif /* !GTK_CHECK_VERSION(3,0,0) */ |
| 7 | 765 |
| 766 #else /* !FEAT_GUI_GTK */ | |
| 767 | |
| 768 static void | |
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769 addEventHandler(Widget target, BalloonEval *beval) |
| 7 | 770 { |
| 771 XtAddEventHandler(target, | |
| 772 PointerMotionMask | EnterWindowMask | | |
| 773 LeaveWindowMask | ButtonPressMask | KeyPressMask | | |
| 774 KeyReleaseMask, | |
| 775 False, | |
| 776 pointerEventEH, (XtPointer)beval); | |
| 777 } | |
| 778 | |
| 779 static void | |
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780 removeEventHandler(BalloonEval *beval) |
| 7 | 781 { |
| 782 XtRemoveEventHandler(beval->target, | |
| 783 PointerMotionMask | EnterWindowMask | | |
| 784 LeaveWindowMask | ButtonPressMask | KeyPressMask | | |
| 785 KeyReleaseMask, | |
| 786 False, | |
| 787 pointerEventEH, (XtPointer)beval); | |
| 788 } | |
| 789 | |
| 790 | |
| 791 /* | |
| 792 * The X event handler. All it does is call the real event handler. | |
| 793 */ | |
| 794 static void | |
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795 pointerEventEH( |
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796 Widget w UNUSED, |
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797 XtPointer client_data, |
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798 XEvent *event, |
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799 Boolean *unused UNUSED) |
| 7 | 800 { |
| 801 BalloonEval *beval = (BalloonEval *)client_data; | |
| 802 pointerEvent(beval, event); | |
| 803 } | |
| 804 | |
| 805 | |
| 806 /* | |
| 807 * The real event handler. Called by pointerEventEH() whenever an event we are | |
| 1228 | 808 * interested in occurs. |
| 7 | 809 */ |
| 810 | |
| 811 static void | |
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812 pointerEvent(BalloonEval *beval, XEvent *event) |
| 7 | 813 { |
| 4352 | 814 Position distance; /* a measure of how much the pointer moved */ |
| 7 | 815 Position delta; /* used to compute distance */ |
| 816 | |
| 817 switch (event->type) | |
| 818 { | |
| 819 case EnterNotify: | |
| 820 case MotionNotify: | |
| 821 delta = event->xmotion.x - beval->x; | |
| 822 if (delta < 0) | |
| 823 delta = -delta; | |
| 824 distance = delta; | |
| 825 delta = event->xmotion.y - beval->y; | |
| 826 if (delta < 0) | |
| 827 delta = -delta; | |
| 828 distance += delta; | |
| 829 if (distance > 4) | |
| 830 { | |
| 831 /* | |
| 832 * Moved out of the balloon location: cancel it. | |
| 833 * Remember button state | |
| 834 */ | |
| 835 beval->state = event->xmotion.state; | |
| 836 if (beval->state & (Button1Mask|Button2Mask|Button3Mask)) | |
| 837 { | |
| 838 /* Mouse buttons are pressed - no balloon now */ | |
| 839 cancelBalloon(beval); | |
| 840 } | |
| 841 else if (beval->state & (Mod1Mask|Mod2Mask|Mod3Mask)) | |
| 842 { | |
| 843 /* | |
| 844 * Alt is pressed -- enter super-evaluate-mode, | |
| 845 * where there is no time delay | |
| 846 */ | |
| 847 beval->x = event->xmotion.x; | |
| 848 beval->y = event->xmotion.y; | |
| 849 beval->x_root = event->xmotion.x_root; | |
| 850 beval->y_root = event->xmotion.y_root; | |
| 851 cancelBalloon(beval); | |
| 852 if (beval->msgCB != NULL) | |
| 853 { | |
| 854 beval->showState = ShS_PENDING; | |
| 855 (*beval->msgCB)(beval, beval->state); | |
| 856 } | |
| 857 } | |
| 858 else | |
| 859 { | |
| 860 beval->x = event->xmotion.x; | |
| 861 beval->y = event->xmotion.y; | |
| 862 beval->x_root = event->xmotion.x_root; | |
| 863 beval->y_root = event->xmotion.y_root; | |
| 864 cancelBalloon(beval); | |
| 865 beval->timerID = XtAppAddTimeOut( beval->appContext, | |
| 866 (long_u)p_bdlay, timerRoutine, beval); | |
| 867 } | |
| 868 } | |
| 869 break; | |
| 870 | |
| 871 /* | |
| 872 * Motif and Athena version: Keystrokes will be caught by the | |
| 873 * "textArea" widget, and handled in gui_x11_key_hit_cb(). | |
| 874 */ | |
| 875 case KeyPress: | |
| 876 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 877 { | |
| 878 Modifiers modifier; | |
| 879 KeySym keysym; | |
| 880 | |
| 881 XtTranslateKeycode(gui.dpy, | |
| 882 event->xkey.keycode, event->xkey.state, | |
| 883 &modifier, &keysym); | |
| 884 if (keysym == XK_Shift_L || keysym == XK_Shift_R) | |
| 885 { | |
| 886 beval->showState = ShS_UPDATE_PENDING; | |
| 887 (*beval->msgCB)(beval, ShiftMask); | |
| 888 } | |
| 889 else if (keysym == XK_Control_L || keysym == XK_Control_R) | |
| 890 { | |
| 891 beval->showState = ShS_UPDATE_PENDING; | |
| 892 (*beval->msgCB)(beval, ControlMask); | |
| 893 } | |
| 894 else | |
| 895 cancelBalloon(beval); | |
| 896 } | |
| 897 else | |
| 898 cancelBalloon(beval); | |
| 899 break; | |
| 900 | |
| 901 case KeyRelease: | |
| 902 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 903 { | |
| 904 Modifiers modifier; | |
| 905 KeySym keysym; | |
| 906 | |
| 907 XtTranslateKeycode(gui.dpy, event->xkey.keycode, | |
| 908 event->xkey.state, &modifier, &keysym); | |
| 909 if ((keysym == XK_Shift_L) || (keysym == XK_Shift_R)) { | |
| 910 beval->showState = ShS_UPDATE_PENDING; | |
| 911 (*beval->msgCB)(beval, 0); | |
| 912 } | |
| 913 else if ((keysym == XK_Control_L) || (keysym == XK_Control_R)) | |
| 914 { | |
| 915 beval->showState = ShS_UPDATE_PENDING; | |
| 916 (*beval->msgCB)(beval, 0); | |
| 917 } | |
| 918 else | |
| 919 cancelBalloon(beval); | |
| 920 } | |
| 921 else | |
| 922 cancelBalloon(beval); | |
| 923 break; | |
| 924 | |
| 925 case LeaveNotify: | |
| 926 /* Ignore LeaveNotify events that are not "normal". | |
| 927 * Apparently we also get it when somebody else grabs focus. | |
| 928 * Happens for me every two seconds (some clipboard tool?) */ | |
| 929 if (event->xcrossing.mode == NotifyNormal) | |
| 930 cancelBalloon(beval); | |
| 931 break; | |
| 932 | |
| 933 case ButtonPress: | |
| 934 cancelBalloon(beval); | |
| 935 break; | |
| 936 | |
| 937 default: | |
| 938 break; | |
| 939 } | |
| 940 } | |
| 941 | |
| 942 static void | |
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943 timerRoutine(XtPointer dx, XtIntervalId *id UNUSED) |
| 7 | 944 { |
| 945 BalloonEval *beval = (BalloonEval *)dx; | |
| 946 | |
| 947 beval->timerID = (XtIntervalId)NULL; | |
| 948 | |
| 949 /* | |
| 950 * If the timer event happens then the mouse has stopped long enough for | |
| 951 * a request to be started. The request will only send to the debugger if | |
| 952 * there the mouse is pointing at real data. | |
| 953 */ | |
| 954 requestBalloon(beval); | |
| 955 } | |
| 956 | |
| 957 #endif /* !FEAT_GUI_GTK */ | |
| 958 | |
| 959 static void | |
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960 requestBalloon(BalloonEval *beval) |
| 7 | 961 { |
| 962 if (beval->showState != ShS_PENDING) | |
| 963 { | |
| 964 /* Determine the beval to display */ | |
| 965 if (beval->msgCB != NULL) | |
| 966 { | |
| 967 beval->showState = ShS_PENDING; | |
| 968 (*beval->msgCB)(beval, beval->state); | |
| 969 } | |
| 970 else if (beval->msg != NULL) | |
| 971 drawBalloon(beval); | |
| 972 } | |
| 973 } | |
| 974 | |
| 975 #ifdef FEAT_GUI_GTK | |
| 976 /* | |
| 977 * Convert the string to UTF-8 if 'encoding' is not "utf-8". | |
| 978 * Replace any non-printable characters and invalid bytes sequences with | |
| 979 * "^X" or "<xx>" escapes, and apply SpecialKey highlighting to them. | |
| 980 * TAB and NL are passed through unscathed. | |
| 981 */ | |
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982 # define IS_NONPRINTABLE(c) (((c) < 0x20 && (c) != TAB && (c) != NL) \ |
| 7 | 983 || (c) == DEL) |
| 984 static void | |
| 944 | 985 set_printable_label_text(GtkLabel *label, char_u *text) |
| 7 | 986 { |
| 987 char_u *convbuf = NULL; | |
| 988 char_u *buf; | |
| 989 char_u *p; | |
| 990 char_u *pdest; | |
| 991 unsigned int len; | |
| 992 int charlen; | |
| 993 int uc; | |
| 994 PangoAttrList *attr_list; | |
| 995 | |
| 996 /* Convert to UTF-8 if it isn't already */ | |
| 997 if (output_conv.vc_type != CONV_NONE) | |
| 998 { | |
| 944 | 999 convbuf = string_convert(&output_conv, text, NULL); |
| 7 | 1000 if (convbuf != NULL) |
| 944 | 1001 text = convbuf; |
| 7 | 1002 } |
| 1003 | |
| 1004 /* First let's see how much we need to allocate */ | |
| 1005 len = 0; | |
| 944 | 1006 for (p = text; *p != NUL; p += charlen) |
| 7 | 1007 { |
| 1008 if ((*p & 0x80) == 0) /* be quick for ASCII */ | |
| 1009 { | |
| 1010 charlen = 1; | |
| 1011 len += IS_NONPRINTABLE(*p) ? 2 : 1; /* nonprintable: ^X */ | |
| 1012 } | |
| 1013 else | |
| 1014 { | |
| 474 | 1015 charlen = utf_ptr2len(p); |
| 7 | 1016 uc = utf_ptr2char(p); |
| 1017 | |
| 1018 if (charlen != utf_char2len(uc)) | |
| 1019 charlen = 1; /* reject overlong sequences */ | |
| 1020 | |
| 1021 if (charlen == 1 || uc < 0xa0) /* illegal byte or */ | |
| 1022 len += 4; /* control char: <xx> */ | |
| 1023 else if (!utf_printable(uc)) | |
| 1024 /* Note: we assume here that utf_printable() doesn't | |
| 1025 * care about characters outside the BMP. */ | |
| 1026 len += 6; /* nonprintable: <xxxx> */ | |
| 1027 else | |
| 1028 len += charlen; | |
| 1029 } | |
| 1030 } | |
| 1031 | |
| 1032 attr_list = pango_attr_list_new(); | |
| 1033 buf = alloc(len + 1); | |
| 1034 | |
| 1035 /* Now go for the real work */ | |
| 1036 if (buf != NULL) | |
| 1037 { | |
| 1038 attrentry_T *aep; | |
| 1039 PangoAttribute *attr; | |
| 1040 guicolor_T pixel; | |
| 1041 GdkColor color = { 0, 0, 0, 0 }; | |
| 1042 | |
| 1043 /* Look up the RGB values of the SpecialKey foreground color. */ | |
| 1044 aep = syn_gui_attr2entry(hl_attr(HLF_8)); | |
| 1045 pixel = (aep != NULL) ? aep->ae_u.gui.fg_color : INVALCOLOR; | |
| 1046 if (pixel != INVALCOLOR) | |
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1047 # if GTK_CHECK_VERSION(3,0,0) |
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1048 { |
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1049 GdkVisual * const visual = gtk_widget_get_visual(gui.drawarea); |
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1050 |
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1051 if (visual == NULL) |
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1052 { |
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1053 color.red = 0; |
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1054 color.green = 0; |
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1055 color.blue = 0; |
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1056 } |
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1057 else |
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1058 { |
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1059 guint32 r_mask, g_mask, b_mask; |
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1060 gint r_shift, g_shift, b_shift; |
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1061 |
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1062 gdk_visual_get_red_pixel_details(visual, &r_mask, &r_shift, |
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1063 NULL); |
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1064 gdk_visual_get_green_pixel_details(visual, &g_mask, &g_shift, |
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1065 NULL); |
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1066 gdk_visual_get_blue_pixel_details(visual, &b_mask, &b_shift, |
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1067 NULL); |
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1068 |
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1069 color.red = ((pixel & r_mask) >> r_shift) / 255.0 * 65535; |
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1070 color.green = ((pixel & g_mask) >> g_shift) / 255.0 * 65535; |
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1071 color.blue = ((pixel & b_mask) >> b_shift) / 255.0 * 65535; |
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1072 } |
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1073 } |
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1074 # else |
| 7 | 1075 gdk_colormap_query_color(gtk_widget_get_colormap(gui.drawarea), |
| 1076 (unsigned long)pixel, &color); | |
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1077 # endif |
| 7 | 1078 |
| 1079 pdest = buf; | |
| 944 | 1080 p = text; |
| 7 | 1081 while (*p != NUL) |
| 1082 { | |
| 1083 /* Be quick for ASCII */ | |
| 1084 if ((*p & 0x80) == 0 && !IS_NONPRINTABLE(*p)) | |
| 1085 { | |
| 1086 *pdest++ = *p++; | |
| 1087 } | |
| 1088 else | |
| 1089 { | |
| 474 | 1090 charlen = utf_ptr2len(p); |
| 7 | 1091 uc = utf_ptr2char(p); |
| 1092 | |
| 1093 if (charlen != utf_char2len(uc)) | |
| 1094 charlen = 1; /* reject overlong sequences */ | |
| 1095 | |
| 1096 if (charlen == 1 || uc < 0xa0 || !utf_printable(uc)) | |
| 1097 { | |
| 1098 int outlen; | |
| 1099 | |
| 1100 /* Careful: we can't just use transchar_byte() here, | |
| 1101 * since 'encoding' is not necessarily set to "utf-8". */ | |
| 1102 if (*p & 0x80 && charlen == 1) | |
| 1103 { | |
| 1104 transchar_hex(pdest, *p); /* <xx> */ | |
| 1105 outlen = 4; | |
| 1106 } | |
| 1107 else if (uc >= 0x80) | |
| 1108 { | |
| 1109 /* Note: we assume here that utf_printable() doesn't | |
| 1110 * care about characters outside the BMP. */ | |
| 1111 transchar_hex(pdest, uc); /* <xx> or <xxxx> */ | |
| 1112 outlen = (uc < 0x100) ? 4 : 6; | |
| 1113 } | |
| 1114 else | |
| 1115 { | |
| 1116 transchar_nonprint(pdest, *p); /* ^X */ | |
| 1117 outlen = 2; | |
| 1118 } | |
| 1119 if (pixel != INVALCOLOR) | |
| 1120 { | |
| 1121 attr = pango_attr_foreground_new( | |
| 1122 color.red, color.green, color.blue); | |
| 1123 attr->start_index = pdest - buf; | |
| 1124 attr->end_index = pdest - buf + outlen; | |
| 1125 pango_attr_list_insert(attr_list, attr); | |
| 1126 } | |
| 1127 pdest += outlen; | |
| 1128 p += charlen; | |
| 1129 } | |
| 1130 else | |
| 1131 { | |
| 1132 do | |
| 1133 *pdest++ = *p++; | |
| 1134 while (--charlen != 0); | |
| 1135 } | |
| 1136 } | |
| 1137 } | |
| 1138 *pdest = NUL; | |
| 1139 } | |
| 1140 | |
| 1141 vim_free(convbuf); | |
| 1142 | |
| 1143 gtk_label_set_text(label, (const char *)buf); | |
| 1144 vim_free(buf); | |
| 1145 | |
| 1146 gtk_label_set_attributes(label, attr_list); | |
| 1147 pango_attr_list_unref(attr_list); | |
| 1148 } | |
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1149 # undef IS_NONPRINTABLE |
| 7 | 1150 |
| 1151 /* | |
| 1152 * Draw a balloon. | |
| 1153 */ | |
| 1154 static void | |
| 1155 drawBalloon(BalloonEval *beval) | |
| 1156 { | |
| 1157 if (beval->msg != NULL) | |
| 1158 { | |
| 1159 GtkRequisition requisition; | |
| 1160 int screen_w; | |
| 1161 int screen_h; | |
| 1162 int x; | |
| 1163 int y; | |
| 1164 int x_offset = EVAL_OFFSET_X; | |
| 1165 int y_offset = EVAL_OFFSET_Y; | |
| 1166 PangoLayout *layout; | |
| 1167 # ifdef HAVE_GTK_MULTIHEAD | |
| 1168 GdkScreen *screen; | |
| 1169 | |
| 1170 screen = gtk_widget_get_screen(beval->target); | |
| 1171 gtk_window_set_screen(GTK_WINDOW(beval->balloonShell), screen); | |
| 1172 screen_w = gdk_screen_get_width(screen); | |
| 1173 screen_h = gdk_screen_get_height(screen); | |
| 1174 # else | |
| 1175 screen_w = gdk_screen_width(); | |
| 1176 screen_h = gdk_screen_height(); | |
| 1177 # endif | |
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1178 # if !GTK_CHECK_VERSION(3,0,0) |
| 7 | 1179 gtk_widget_ensure_style(beval->balloonShell); |
| 1180 gtk_widget_ensure_style(beval->balloonLabel); | |
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1181 # endif |
| 7 | 1182 |
| 1183 set_printable_label_text(GTK_LABEL(beval->balloonLabel), beval->msg); | |
| 1184 /* | |
| 1185 * Dirty trick: Enable wrapping mode on the label's layout behind its | |
| 1186 * back. This way GtkLabel won't try to constrain the wrap width to a | |
| 1187 * builtin maximum value of about 65 Latin characters. | |
| 1188 */ | |
| 1189 layout = gtk_label_get_layout(GTK_LABEL(beval->balloonLabel)); | |
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1190 # ifdef PANGO_WRAP_WORD_CHAR |
| 7 | 1191 pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR); |
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1192 # else |
| 7 | 1193 pango_layout_set_wrap(layout, PANGO_WRAP_WORD); |
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1194 # endif |
| 7 | 1195 pango_layout_set_width(layout, |
| 1196 /* try to come up with some reasonable width */ | |
| 1197 PANGO_SCALE * CLAMP(gui.num_cols * gui.char_width, | |
| 1198 screen_w / 2, | |
| 1199 MAX(20, screen_w - 20))); | |
| 1200 | |
| 1201 /* Calculate the balloon's width and height. */ | |
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1202 # if GTK_CHECK_VERSION(3,0,0) |
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1203 gtk_widget_get_preferred_size(beval->balloonShell, &requisition, NULL); |
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1204 # else |
| 7 | 1205 gtk_widget_size_request(beval->balloonShell, &requisition); |
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1206 # endif |
| 7 | 1207 |
| 1208 /* Compute position of the balloon area */ | |
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1209 # if GTK_CHECK_VERSION(3,0,0) |
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1210 gdk_window_get_origin(gtk_widget_get_window(beval->target), &x, &y); |
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1211 # else |
| 7 | 1212 gdk_window_get_origin(beval->target->window, &x, &y); |
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1213 # endif |
| 7 | 1214 x += beval->x; |
| 1215 y += beval->y; | |
| 1216 | |
| 1217 /* Get out of the way of the mouse pointer */ | |
| 1218 if (x + x_offset + requisition.width > screen_w) | |
| 1219 y_offset += 15; | |
| 1220 if (y + y_offset + requisition.height > screen_h) | |
| 1221 y_offset = -requisition.height - EVAL_OFFSET_Y; | |
| 1222 | |
| 1223 /* Sanitize values */ | |
| 1224 x = CLAMP(x + x_offset, 0, MAX(0, screen_w - requisition.width)); | |
| 1225 y = CLAMP(y + y_offset, 0, MAX(0, screen_h - requisition.height)); | |
| 1226 | |
| 1227 /* Show the balloon */ | |
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1228 # if GTK_CHECK_VERSION(3,0,0) |
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1229 gtk_window_move(GTK_WINDOW(beval->balloonShell), x, y); |
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1230 # else |
| 7 | 1231 gtk_widget_set_uposition(beval->balloonShell, x, y); |
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1232 # endif |
| 7 | 1233 gtk_widget_show(beval->balloonShell); |
| 1234 | |
| 1235 beval->showState = ShS_SHOWING; | |
| 1236 } | |
| 1237 } | |
| 1238 | |
| 1239 /* | |
| 1240 * Undraw a balloon. | |
| 1241 */ | |
| 1242 static void | |
| 1243 undrawBalloon(BalloonEval *beval) | |
| 1244 { | |
| 1245 if (beval->balloonShell != NULL) | |
| 1246 gtk_widget_hide(beval->balloonShell); | |
| 1247 beval->showState = ShS_NEUTRAL; | |
| 1248 } | |
| 1249 | |
| 1250 static void | |
| 1251 cancelBalloon(BalloonEval *beval) | |
| 1252 { | |
| 1253 if (beval->showState == ShS_SHOWING | |
| 1254 || beval->showState == ShS_UPDATE_PENDING) | |
| 1255 undrawBalloon(beval); | |
| 1256 | |
| 1257 if (beval->timerID != 0) | |
| 1258 { | |
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1259 # if GTK_CHECK_VERSION(3,0,0) |
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1260 g_source_remove(beval->timerID); |
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1261 # else |
| 7 | 1262 gtk_timeout_remove(beval->timerID); |
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1263 # endif |
| 7 | 1264 beval->timerID = 0; |
| 1265 } | |
| 1266 beval->showState = ShS_NEUTRAL; | |
| 1267 } | |
| 1268 | |
| 1269 static void | |
| 1270 createBalloonEvalWindow(BalloonEval *beval) | |
| 1271 { | |
| 1272 beval->balloonShell = gtk_window_new(GTK_WINDOW_POPUP); | |
| 1273 | |
| 1274 gtk_widget_set_app_paintable(beval->balloonShell, TRUE); | |
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1275 # if GTK_CHECK_VERSION(3,0,0) |
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1276 gtk_window_set_resizable(GTK_WINDOW(beval->balloonShell), FALSE); |
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1277 # else |
| 7 | 1278 gtk_window_set_policy(GTK_WINDOW(beval->balloonShell), FALSE, FALSE, TRUE); |
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1279 # endif |
| 7 | 1280 gtk_widget_set_name(beval->balloonShell, "gtk-tooltips"); |
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1281 # if GTK_CHECK_VERSION(3,0,0) |
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1282 gtk_container_set_border_width(GTK_CONTAINER(beval->balloonShell), 4); |
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1283 # else |
| 7 | 1284 gtk_container_border_width(GTK_CONTAINER(beval->balloonShell), 4); |
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1285 # endif |
| 7 | 1286 |
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1287 # if GTK_CHECK_VERSION(3,0,0) |
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1288 g_signal_connect(G_OBJECT(beval->balloonShell), "draw", |
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1289 G_CALLBACK(balloon_draw_event_cb), NULL); |
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1290 # else |
| 7 | 1291 gtk_signal_connect((GtkObject*)(beval->balloonShell), "expose_event", |
| 1292 GTK_SIGNAL_FUNC(balloon_expose_event_cb), NULL); | |
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1293 # endif |
| 7 | 1294 beval->balloonLabel = gtk_label_new(NULL); |
| 1295 | |
| 1296 gtk_label_set_line_wrap(GTK_LABEL(beval->balloonLabel), FALSE); | |
| 1297 gtk_label_set_justify(GTK_LABEL(beval->balloonLabel), GTK_JUSTIFY_LEFT); | |
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1298 # if GTK_CHECK_VERSION(3,16,0) |
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1299 gtk_label_set_xalign(GTK_LABEL(beval->balloonLabel), 0.5); |
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1300 gtk_label_set_yalign(GTK_LABEL(beval->balloonLabel), 0.5); |
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1301 # elif GTK_CHECK_VERSION(3,14,0) |
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1302 GValue align_val = G_VALUE_INIT; |
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1303 g_value_init(&align_val, G_TYPE_FLOAT); |
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1304 g_value_set_float(&align_val, 0.5); |
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1305 g_object_set_property(G_OBJECT(beval->balloonLabel), "xalign", &align_val); |
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1306 g_object_set_property(G_OBJECT(beval->balloonLabel), "yalign", &align_val); |
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1307 g_value_unset(&align_val); |
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1308 # else |
| 7 | 1309 gtk_misc_set_alignment(GTK_MISC(beval->balloonLabel), 0.5f, 0.5f); |
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1310 # endif |
| 7 | 1311 gtk_widget_set_name(beval->balloonLabel, "vim-balloon-label"); |
| 1312 gtk_widget_show(beval->balloonLabel); | |
| 1313 | |
| 1314 gtk_container_add(GTK_CONTAINER(beval->balloonShell), beval->balloonLabel); | |
| 1315 } | |
| 1316 | |
| 1317 #else /* !FEAT_GUI_GTK */ | |
| 1318 | |
| 1319 /* | |
| 1320 * Draw a balloon. | |
| 1321 */ | |
| 1322 static void | |
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1323 drawBalloon(BalloonEval *beval) |
| 7 | 1324 { |
| 1325 Dimension w; | |
| 1326 Dimension h; | |
| 1327 Position tx; | |
| 1328 Position ty; | |
| 1329 | |
| 1330 if (beval->msg != NULL) | |
| 1331 { | |
| 1332 /* Show the Balloon */ | |
| 1333 | |
| 1334 /* Calculate the label's width and height */ | |
| 1335 #ifdef FEAT_GUI_MOTIF | |
| 1336 XmString s; | |
| 1337 | |
| 1338 /* For the callback function we parse NL characters to create a | |
| 1339 * multi-line label. This doesn't work for all languages, but | |
| 1340 * XmStringCreateLocalized() doesn't do multi-line labels... */ | |
| 1341 if (beval->msgCB != NULL) | |
| 1342 s = XmStringCreateLtoR((char *)beval->msg, XmFONTLIST_DEFAULT_TAG); | |
| 1343 else | |
| 1344 s = XmStringCreateLocalized((char *)beval->msg); | |
| 1345 { | |
| 1346 XmFontList fl; | |
| 1347 | |
| 1348 fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset); | |
| 6003 | 1349 if (fl == NULL) |
| 7 | 1350 { |
| 6003 | 1351 XmStringFree(s); |
| 1352 return; | |
| 7 | 1353 } |
| 6003 | 1354 XmStringExtent(fl, s, &w, &h); |
| 1355 XmFontListFree(fl); | |
| 7 | 1356 } |
| 1357 w += gui.border_offset << 1; | |
| 1358 h += gui.border_offset << 1; | |
| 1359 XtVaSetValues(beval->balloonLabel, XmNlabelString, s, NULL); | |
| 1360 XmStringFree(s); | |
| 1361 #else /* Athena */ | |
| 1362 /* Assume XtNinternational == True */ | |
| 1363 XFontSet fset; | |
| 1364 XFontSetExtents *ext; | |
| 1365 | |
| 1366 XtVaGetValues(beval->balloonLabel, XtNfontSet, &fset, NULL); | |
| 1367 ext = XExtentsOfFontSet(fset); | |
| 1368 h = ext->max_ink_extent.height; | |
| 1369 w = XmbTextEscapement(fset, | |
| 1370 (char *)beval->msg, | |
| 1371 (int)STRLEN(beval->msg)); | |
| 1372 w += gui.border_offset << 1; | |
| 1373 h += gui.border_offset << 1; | |
| 1374 XtVaSetValues(beval->balloonLabel, XtNlabel, beval->msg, NULL); | |
| 1375 #endif | |
| 1376 | |
| 1377 /* Compute position of the balloon area */ | |
| 1378 tx = beval->x_root + EVAL_OFFSET_X; | |
| 1379 ty = beval->y_root + EVAL_OFFSET_Y; | |
| 1380 if ((tx + w) > beval->screen_width) | |
| 1381 tx = beval->screen_width - w; | |
| 1382 if ((ty + h) > beval->screen_height) | |
| 1383 ty = beval->screen_height - h; | |
| 1384 #ifdef FEAT_GUI_MOTIF | |
| 1385 XtVaSetValues(beval->balloonShell, | |
| 1386 XmNx, tx, | |
| 1387 XmNy, ty, | |
| 1388 NULL); | |
| 1389 #else | |
| 1390 /* Athena */ | |
| 1391 XtVaSetValues(beval->balloonShell, | |
| 1392 XtNx, tx, | |
| 1393 XtNy, ty, | |
| 1394 NULL); | |
| 1395 #endif | |
| 1844 | 1396 /* Set tooltip colors */ |
| 1397 { | |
| 1398 Arg args[2]; | |
| 1399 | |
| 1400 #ifdef FEAT_GUI_MOTIF | |
| 1401 args[0].name = XmNbackground; | |
| 1402 args[0].value = gui.tooltip_bg_pixel; | |
| 1403 args[1].name = XmNforeground; | |
| 1404 args[1].value = gui.tooltip_fg_pixel; | |
| 1405 #else /* Athena */ | |
| 1406 args[0].name = XtNbackground; | |
| 1407 args[0].value = gui.tooltip_bg_pixel; | |
| 1408 args[1].name = XtNforeground; | |
| 1409 args[1].value = gui.tooltip_fg_pixel; | |
| 1410 #endif | |
| 1411 XtSetValues(beval->balloonLabel, &args[0], XtNumber(args)); | |
| 1412 } | |
| 7 | 1413 |
| 1414 XtPopup(beval->balloonShell, XtGrabNone); | |
| 1415 | |
| 1416 beval->showState = ShS_SHOWING; | |
| 1417 | |
| 1418 current_beval = beval; | |
| 1419 } | |
| 1420 } | |
| 1421 | |
| 1422 /* | |
| 1423 * Undraw a balloon. | |
| 1424 */ | |
| 1425 static void | |
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1426 undrawBalloon(BalloonEval *beval) |
| 7 | 1427 { |
| 1428 if (beval->balloonShell != (Widget)0) | |
| 1429 XtPopdown(beval->balloonShell); | |
| 1430 beval->showState = ShS_NEUTRAL; | |
| 1431 | |
| 1432 current_beval = NULL; | |
| 1433 } | |
| 1434 | |
| 1435 static void | |
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1436 cancelBalloon(BalloonEval *beval) |
| 7 | 1437 { |
| 1438 if (beval->showState == ShS_SHOWING | |
| 1439 || beval->showState == ShS_UPDATE_PENDING) | |
| 1440 undrawBalloon(beval); | |
| 1441 | |
| 1442 if (beval->timerID != (XtIntervalId)NULL) | |
| 1443 { | |
| 1444 XtRemoveTimeOut(beval->timerID); | |
| 1445 beval->timerID = (XtIntervalId)NULL; | |
| 1446 } | |
| 1447 beval->showState = ShS_NEUTRAL; | |
| 1448 } | |
| 1449 | |
| 1450 | |
| 1451 static void | |
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1452 createBalloonEvalWindow(BalloonEval *beval) |
| 7 | 1453 { |
| 1454 Arg args[12]; | |
| 1455 int n; | |
| 1456 | |
| 1457 n = 0; | |
| 1458 #ifdef FEAT_GUI_MOTIF | |
| 1459 XtSetArg(args[n], XmNallowShellResize, True); n++; | |
| 1460 beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval", | |
| 1461 overrideShellWidgetClass, gui.dpy, args, n); | |
| 1462 #else | |
| 1463 /* Athena */ | |
| 1464 XtSetArg(args[n], XtNallowShellResize, True); n++; | |
| 1465 beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval", | |
| 1466 overrideShellWidgetClass, gui.dpy, args, n); | |
| 1467 #endif | |
| 1468 | |
| 1469 n = 0; | |
| 1470 #ifdef FEAT_GUI_MOTIF | |
| 1471 { | |
| 1472 XmFontList fl; | |
| 1473 | |
| 1474 fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset); | |
| 1475 XtSetArg(args[n], XmNforeground, gui.tooltip_fg_pixel); n++; | |
| 1476 XtSetArg(args[n], XmNbackground, gui.tooltip_bg_pixel); n++; | |
| 1477 XtSetArg(args[n], XmNfontList, fl); n++; | |
| 1478 XtSetArg(args[n], XmNalignment, XmALIGNMENT_BEGINNING); n++; | |
| 1479 beval->balloonLabel = XtCreateManagedWidget("balloonLabel", | |
| 1480 xmLabelWidgetClass, beval->balloonShell, args, n); | |
| 1481 } | |
| 1482 #else /* FEAT_GUI_ATHENA */ | |
| 1483 XtSetArg(args[n], XtNforeground, gui.tooltip_fg_pixel); n++; | |
| 1484 XtSetArg(args[n], XtNbackground, gui.tooltip_bg_pixel); n++; | |
| 1485 XtSetArg(args[n], XtNinternational, True); n++; | |
| 1486 XtSetArg(args[n], XtNfontSet, gui.tooltip_fontset); n++; | |
| 1487 beval->balloonLabel = XtCreateManagedWidget("balloonLabel", | |
| 1488 labelWidgetClass, beval->balloonShell, args, n); | |
| 1489 #endif | |
| 1490 } | |
| 1491 | |
| 1492 #endif /* !FEAT_GUI_GTK */ | |
| 1493 #endif /* !FEAT_GUI_W32 */ | |
| 1494 | |
| 1495 #endif /* FEAT_BEVAL */ |