1 /* vi:set ts=8 sts=4 sw=4 noet: 2 * 3 * VIM - Vi IMproved by Bram Moolenaar 4 * Motif support by Robert Webb 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 */ 9 10 #ifdef FEAT_GUI_MOTIF 11 # include <Xm/Xm.h> 12 #endif 13 14 #ifdef FEAT_GUI_ATHENA 15 # include <X11/Intrinsic.h> 16 # include <X11/StringDefs.h> 17 #endif 18 19 #ifdef FEAT_GUI_GTK 20 # ifdef VMS /* undef MIN and MAX because Intrinsic.h redefines them anyway */ 21 # ifdef MAX 22 # undef MAX 23 # endif 24 # ifdef MIN 25 # undef MIN 26 # endif 27 # endif 28 # include <X11/Intrinsic.h> 29 # include <gtk/gtk.h> 30 #endif 31 32 // Needed when generating prototypes, since FEAT_GUI is always defined then. 33 #if defined(FEAT_XCLIPBOARD) && !defined(FEAT_GUI_MOTIF) \ 34 && !defined(FEAT_GUI_ATHENA) && !defined(FEAT_GUI_GTK) 35 # include <X11/Intrinsic.h> 36 #endif 37 38 #ifdef FEAT_GUI_MAC 39 # include <Types.h> 40 /*# include <Memory.h>*/ 41 # include <Quickdraw.h> 42 # include <Fonts.h> 43 # include <Events.h> 44 # include <Menus.h> 45 # if !(defined (TARGET_API_MAC_CARBON) && (TARGET_API_MAC_CARBON)) 46 # include <Windows.h> 47 # endif 48 # include <Controls.h> 49 /*# include <TextEdit.h>*/ 50 # include <Dialogs.h> 51 # include <OSUtils.h> 52 /* 53 # include <ToolUtils.h> 54 # include <SegLoad.h>*/ 55 #endif 56 57 #ifdef FEAT_GUI_PHOTON 58 # include <Ph.h> 59 # include <Pt.h> 60 # include "photon/PxProto.h" 61 #endif 62 63 /* 64 * On some systems scrolling needs to be done right away instead of in the 65 * main loop. 66 */ 67 #if defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_GTK) 68 # define USE_ON_FLY_SCROLL 69 #endif 70 71 /* 72 * GUIs that support dropping files on a running Vim. 73 */ 74 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ 75 || defined(FEAT_GUI_MSWIN) \ 76 || defined(FEAT_GUI_MAC) 77 # define HAVE_DROP_FILE 78 #endif 79 80 /* 81 * This define makes menus always use a fontset. 82 * We're not sure if this code always works, thus it can be disabled. 83 */ 84 #ifdef FEAT_XFONTSET 85 # define FONTSET_ALWAYS 86 #endif 87 88 /* 89 * These macros convert between character row/column and pixel coordinates. 90 * TEXT_X - Convert character column into X pixel coord for drawing strings. 91 * TEXT_Y - Convert character row into Y pixel coord for drawing strings. 92 * FILL_X - Convert character column into X pixel coord for filling the area 93 * under the character. 94 * FILL_Y - Convert character row into Y pixel coord for filling the area 95 * under the character. 96 * X_2_COL - Convert X pixel coord into character column. 97 * Y_2_ROW - Convert Y pixel coord into character row. 98 */ 99 #ifdef FEAT_GUI_MSWIN 100 # define TEXT_X(col) ((col) * gui.char_width) 101 # define TEXT_Y(row) ((row) * gui.char_height + gui.char_ascent) 102 # define FILL_X(col) ((col) * gui.char_width) 103 # define FILL_Y(row) ((row) * gui.char_height) 104 # define X_2_COL(x) ((x) / gui.char_width) 105 # define Y_2_ROW(y) ((y) / gui.char_height) 106 #else 107 # define TEXT_X(col) ((col) * gui.char_width + gui.border_offset) 108 # define FILL_X(col) ((col) * gui.char_width + gui.border_offset) 109 # define X_2_COL(x) (((x) - gui.border_offset) / gui.char_width) 110 # define TEXT_Y(row) ((row) * gui.char_height + gui.char_ascent \ 111 + gui.border_offset) 112 # define FILL_Y(row) ((row) * gui.char_height + gui.border_offset) 113 # define Y_2_ROW(y) (((y) - gui.border_offset) / gui.char_height) 114 #endif 115 116 /* Indices for arrays of scrollbars */ 117 #define SBAR_NONE -1 118 #define SBAR_LEFT 0 119 #define SBAR_RIGHT 1 120 #define SBAR_BOTTOM 2 121 122 /* Orientations for scrollbars */ 123 #define SBAR_VERT 0 124 #define SBAR_HORIZ 1 125 126 /* Default size of scrollbar */ 127 #define SB_DEFAULT_WIDTH 16 128 129 /* Default height of the menu bar */ 130 #define MENU_DEFAULT_HEIGHT 1 /* figure it out at runtime */ 131 132 /* Flags for gui_mch_outstr_nowrap() */ 133 #define GUI_MON_WRAP_CURSOR 0x01 /* wrap cursor at end of line */ 134 #define GUI_MON_INVERT 0x02 /* invert the characters */ 135 #define GUI_MON_IS_CURSOR 0x04 /* drawing cursor */ 136 #define GUI_MON_TRS_CURSOR 0x08 /* drawing transparent cursor */ 137 #define GUI_MON_NOCLEAR 0x10 /* don't clear selection */ 138 139 /* Flags for gui_mch_draw_string() */ 140 #define DRAW_TRANSP 0x01 /* draw with transparent bg */ 141 #define DRAW_BOLD 0x02 /* draw bold text */ 142 #define DRAW_UNDERL 0x04 /* draw underline text */ 143 #define DRAW_UNDERC 0x08 /* draw undercurl text */ 144 #if defined(FEAT_GUI_GTK) 145 # define DRAW_ITALIC 0x10 /* draw italic text */ 146 #endif 147 #define DRAW_CURSOR 0x20 /* drawing block cursor (win32) */ 148 #define DRAW_STRIKE 0x40 /* strikethrough */ 149 150 /* For our own tearoff menu item */ 151 #define TEAR_STRING "-->Detach" 152 #define TEAR_LEN (9) /* length of above string */ 153 154 /* for the toolbar */ 155 #define TOOLBAR_BUTTON_HEIGHT 18 156 #define TOOLBAR_BUTTON_WIDTH 18 157 #define TOOLBAR_BORDER_HEIGHT 12 /* room above+below buttons for MSWindows */ 158 159 #ifdef FEAT_GUI_MSWIN 160 # define TABLINE_HEIGHT 22 161 #endif 162 #ifdef FEAT_GUI_MOTIF 163 # define TABLINE_HEIGHT 30 164 #endif 165 166 #if defined(NO_CONSOLE) || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) 167 # define NO_CONSOLE_INPUT /* use no_console_input() to check if there 168 is no console input possible */ 169 #endif 170 171 typedef struct GuiScrollbar 172 { 173 long ident; /* Unique identifier for each scrollbar */ 174 win_T *wp; /* Scrollbar's window, NULL for bottom */ 175 int type; /* one of SBAR_{LEFT,RIGHT,BOTTOM} */ 176 long value; /* Represents top line number visible */ 177 #ifdef FEAT_GUI_ATHENA 178 int pixval; /* pixel count of value */ 179 #endif 180 long size; /* Size of scrollbar thumb */ 181 long max; /* Number of lines in buffer */ 182 183 /* Values measured in characters: */ 184 int top; /* Top of scroll bar (chars from row 0) */ 185 int height; /* Current height of scroll bar in rows */ 186 int width; /* Current width of scroll bar in cols */ 187 int status_height; /* Height of status line */ 188 #ifdef FEAT_GUI_X11 189 Widget id; /* Id of real scroll bar */ 190 #endif 191 #ifdef FEAT_GUI_GTK 192 GtkWidget *id; /* Id of real scroll bar */ 193 unsigned long handler_id; /* Id of "value_changed" signal handler */ 194 #endif 195 196 #ifdef FEAT_GUI_MSWIN 197 HWND id; /* Id of real scroll bar */ 198 int scroll_shift; /* The scrollbar stuff can handle only up to 199 32767 lines. When the file is longer, 200 scroll_shift is set to the number of shifts 201 to reduce the count. */ 202 #endif 203 #ifdef FEAT_GUI_MAC 204 ControlHandle id; /* A handle to the scrollbar */ 205 #endif 206 #ifdef FEAT_GUI_PHOTON 207 PtWidget_t *id; 208 #endif 209 } scrollbar_T; 210 211 typedef long guicolor_T; /* handle for a GUI color; for X11 this should 212 be "Pixel", but that's an unsigned and we 213 need a signed value */ 214 #define INVALCOLOR (guicolor_T)-11111 /* number for invalid color; on 32 bit 215 displays there is a tiny chance this is an 216 actual color */ 217 #define CTERMCOLOR (guicolor_T)-11110 /* only used for cterm.bg_rgb and 218 cterm.fg_rgb: use cterm color */ 219 220 #ifdef FEAT_GUI_GTK 221 typedef PangoFontDescription *GuiFont; /* handle for a GUI font */ 222 typedef PangoFontDescription *GuiFontset; /* handle for a GUI fontset */ 223 # define NOFONT (GuiFont)NULL 224 # define NOFONTSET (GuiFontset)NULL 225 #else 226 # ifdef FEAT_GUI_PHOTON 227 typedef char *GuiFont; 228 typedef char *GuiFontset; 229 # define NOFONT (GuiFont)NULL 230 # define NOFONTSET (GuiFontset)NULL 231 # else 232 # ifdef FEAT_GUI_X11 233 typedef XFontStruct *GuiFont; /* handle for a GUI font */ 234 typedef XFontSet GuiFontset; /* handle for a GUI fontset */ 235 # define NOFONT (GuiFont)0 236 # define NOFONTSET (GuiFontset)0 237 # else 238 typedef long_u GuiFont; /* handle for a GUI font */ 239 typedef long_u GuiFontset; /* handle for a GUI fontset */ 240 # define NOFONT (GuiFont)0 241 # define NOFONTSET (GuiFontset)0 242 # endif 243 # endif 244 #endif 245 246 #ifdef VIMDLL 247 // Use spawn when GUI is starting. 248 # define GUI_MAY_SPAWN 249 250 // Uncomment the next definition if you want to use the `:gui` command on 251 // Windows. It uses `:mksession` to inherit the session from vim.exe to 252 // gvim.exe. So, it doesn't work perfectly. (EXPERIMENTAL) 253 //# define EXPERIMENTAL_GUI_CMD 254 #endif 255 256 typedef struct Gui 257 { 258 int in_focus; /* Vim has input focus */ 259 int in_use; /* Is the GUI being used? */ 260 int starting; /* GUI will start in a little while */ 261 int shell_created; /* Has the shell been created yet? */ 262 int dying; /* Is vim dying? Then output to terminal */ 263 int dofork; /* Use fork() when GUI is starting */ 264 #ifdef GUI_MAY_SPAWN 265 int dospawn; /* Use spawn() when GUI is starting */ 266 #endif 267 int dragged_sb; /* Which scrollbar being dragged, if any? */ 268 win_T *dragged_wp; /* Which WIN's sb being dragged, if any? */ 269 int pointer_hidden; /* Is the mouse pointer hidden? */ 270 int col; /* Current cursor column in GUI display */ 271 int row; /* Current cursor row in GUI display */ 272 int cursor_col; /* Physical cursor column in GUI display */ 273 int cursor_row; /* Physical cursor row in GUI display */ 274 char cursor_is_valid; /* There is a cursor at cursor_row/col */ 275 int num_cols; /* Number of columns */ 276 int num_rows; /* Number of rows */ 277 int scroll_region_top; /* Top (first) line of scroll region */ 278 int scroll_region_bot; /* Bottom (last) line of scroll region */ 279 int scroll_region_left; /* Left (first) column of scroll region */ 280 int scroll_region_right; /* Right (last) col. of scroll region */ 281 int highlight_mask; /* Highlight attribute mask */ 282 int scrollbar_width; /* Width of vertical scrollbars */ 283 int scrollbar_height; /* Height of horizontal scrollbar */ 284 int left_sbar_x; /* Calculated x coord for left scrollbar */ 285 int right_sbar_x; /* Calculated x coord for right scrollbar */ 286 287 #ifdef FEAT_MENU 288 # ifndef FEAT_GUI_GTK 289 int menu_height; /* Height of the menu bar */ 290 int menu_width; /* Width of the menu bar */ 291 # endif 292 char menu_is_active; /* TRUE if menu is present */ 293 # ifdef FEAT_GUI_ATHENA 294 char menu_height_fixed; /* TRUE if menu height fixed */ 295 # endif 296 #endif 297 298 scrollbar_T bottom_sbar; /* Bottom scrollbar */ 299 int which_scrollbars[3];/* Which scrollbar boxes are active? */ 300 int prev_wrap; /* For updating the horizontal scrollbar */ 301 int char_width; /* Width of char cell in pixels */ 302 int char_height; /* Height of char cell in pixels, includes 303 'linespace' */ 304 int char_ascent; /* Ascent of char in pixels */ 305 int border_width; /* Width of our border around text area */ 306 int border_offset; /* Total pixel offset for all borders */ 307 308 GuiFont norm_font; /* Normal font */ 309 #ifndef FEAT_GUI_GTK 310 GuiFont bold_font; /* Bold font */ 311 GuiFont ital_font; /* Italic font */ 312 GuiFont boldital_font; /* Bold-Italic font */ 313 #else 314 int font_can_bold; /* Whether norm_font supports bold weight. 315 * The styled font variants are not used. */ 316 #endif 317 318 #if defined(FEAT_MENU) && !defined(FEAT_GUI_GTK) 319 # ifdef FONTSET_ALWAYS 320 GuiFontset menu_fontset; /* set of fonts for multi-byte chars */ 321 # else 322 GuiFont menu_font; /* menu item font */ 323 # endif 324 #endif 325 GuiFont wide_font; /* Normal 'guifontwide' font */ 326 #ifndef FEAT_GUI_GTK 327 GuiFont wide_bold_font; /* Bold 'guifontwide' font */ 328 GuiFont wide_ital_font; /* Italic 'guifontwide' font */ 329 GuiFont wide_boldital_font; /* Bold-Italic 'guifontwide' font */ 330 #endif 331 #ifdef FEAT_XFONTSET 332 GuiFontset fontset; /* set of fonts for multi-byte chars */ 333 #endif 334 guicolor_T back_pixel; /* Color of background */ 335 guicolor_T norm_pixel; /* Color of normal text */ 336 guicolor_T def_back_pixel; /* default Color of background */ 337 guicolor_T def_norm_pixel; /* default Color of normal text */ 338 339 #ifdef FEAT_GUI_X11 340 char *rsrc_menu_fg_name; /* Color of menu & dialog foreground */ 341 guicolor_T menu_fg_pixel; /* Same in Pixel format */ 342 char *rsrc_menu_bg_name; /* Color of menu & dialog background */ 343 guicolor_T menu_bg_pixel; /* Same in Pixel format */ 344 char *rsrc_scroll_fg_name; /* Color of scrollbar foreground */ 345 guicolor_T scroll_fg_pixel; /* Same in Pixel format */ 346 char *rsrc_scroll_bg_name; /* Color of scrollbar background */ 347 guicolor_T scroll_bg_pixel; /* Same in Pixel format */ 348 349 # ifdef FEAT_GUI_MOTIF 350 guicolor_T menu_def_fg_pixel; /* Default menu foreground */ 351 guicolor_T menu_def_bg_pixel; /* Default menu background */ 352 guicolor_T scroll_def_fg_pixel; /* Default scrollbar foreground */ 353 guicolor_T scroll_def_bg_pixel; /* Default scrollbar background */ 354 # endif 355 Display *dpy; /* X display */ 356 Window wid; /* Window id of text area */ 357 int visibility; /* Is shell partially/fully obscured? */ 358 GC text_gc; 359 GC back_gc; 360 GC invert_gc; 361 Cursor blank_pointer; /* Blank pointer */ 362 363 /* X Resources */ 364 char_u *rsrc_font_name; /* Resource font name, used if 'guifont' 365 not set */ 366 char_u *rsrc_bold_font_name; /* Resource bold font name */ 367 char_u *rsrc_ital_font_name; /* Resource italic font name */ 368 char_u *rsrc_boldital_font_name; /* Resource bold-italic font name */ 369 char_u *rsrc_menu_font_name; /* Resource menu Font name */ 370 Bool rsrc_rev_video; /* Use reverse video? */ 371 372 char_u *geom; /* Geometry, eg "80x24" */ 373 Bool color_approx; /* Some color was approximated */ 374 #endif 375 376 #ifdef FEAT_GUI_GTK 377 # ifndef USE_GTK3 378 int visibility; /* Is shell partially/fully obscured? */ 379 # endif 380 GdkCursor *blank_pointer; /* Blank pointer */ 381 382 /* X Resources */ 383 char_u *geom; /* Geometry, eg "80x24" */ 384 385 GtkWidget *mainwin; /* top level GTK window */ 386 GtkWidget *formwin; /* manages all the windows below */ 387 GtkWidget *drawarea; /* the "text" area */ 388 # ifdef FEAT_MENU 389 GtkWidget *menubar; /* menubar */ 390 # endif 391 # ifdef FEAT_TOOLBAR 392 GtkWidget *toolbar; /* toolbar */ 393 # endif 394 # ifdef FEAT_GUI_GNOME 395 GtkWidget *menubar_h; /* menubar handle */ 396 GtkWidget *toolbar_h; /* toolbar handle */ 397 # endif 398 # ifdef USE_GTK3 399 GdkRGBA *fgcolor; /* GDK-styled foreground color */ 400 GdkRGBA *bgcolor; /* GDK-styled background color */ 401 GdkRGBA *spcolor; /* GDK-styled special color */ 402 # else 403 GdkColor *fgcolor; /* GDK-styled foreground color */ 404 GdkColor *bgcolor; /* GDK-styled background color */ 405 GdkColor *spcolor; /* GDK-styled special color */ 406 # endif 407 # ifdef USE_GTK3 408 cairo_surface_t *surface; /* drawarea surface */ 409 gboolean by_signal; /* cause of draw operation */ 410 # else 411 GdkGC *text_gc; /* cached GC for normal text */ 412 # endif 413 PangoContext *text_context; /* the context used for all text */ 414 PangoFont *ascii_font; /* cached font for ASCII strings */ 415 PangoGlyphString *ascii_glyphs; /* cached code point -> glyph map */ 416 # ifdef FEAT_GUI_TABLINE 417 GtkWidget *tabline; /* tab pages line handle */ 418 # endif 419 420 GtkAccelGroup *accel_group; 421 GtkWidget *filedlg; /* file selection dialog */ 422 char_u *browse_fname; /* file name from filedlg */ 423 424 guint32 event_time; 425 #endif /* FEAT_GUI_GTK */ 426 427 #if defined(FEAT_GUI_TABLINE) \ 428 && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_MOTIF) \ 429 || defined(FEAT_GUI_MAC)) 430 int tabline_height; 431 #endif 432 433 #ifdef FEAT_FOOTER 434 int footer_height; /* height of the message footer */ 435 #endif 436 437 #if defined(FEAT_TOOLBAR) \ 438 && (defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MOTIF)) 439 int toolbar_height; /* height of the toolbar */ 440 #endif 441 442 #ifdef FEAT_BEVAL_TIP 443 /* Tooltip properties; also used for balloon evaluation */ 444 char_u *rsrc_tooltip_font_name; /* tooltip font name */ 445 char *rsrc_tooltip_fg_name; /* tooltip foreground color name */ 446 char *rsrc_tooltip_bg_name; /* tooltip background color name */ 447 guicolor_T tooltip_fg_pixel; /* tooltip foreground color */ 448 guicolor_T tooltip_bg_pixel; /* tooltip background color */ 449 XFontSet tooltip_fontset; /* tooltip fontset */ 450 #endif 451 452 #ifdef FEAT_GUI_MSWIN 453 GuiFont currFont; /* Current font */ 454 guicolor_T currFgColor; /* Current foreground text color */ 455 guicolor_T currBgColor; /* Current background text color */ 456 guicolor_T currSpColor; /* Current special text color */ 457 #endif 458 459 #ifdef FEAT_GUI_MAC 460 WindowPtr VimWindow; 461 MenuHandle MacOSHelpMenu; /* Help menu provided by the MacOS */ 462 int MacOSHelpItems; /* Nr of help-items supplied by MacOS */ 463 WindowPtr wid; /* Window id of text area */ 464 int visibility; /* Is window partially/fully obscured? */ 465 #endif 466 467 #ifdef FEAT_GUI_PHOTON 468 PtWidget_t *vimWindow; /* PtWindow */ 469 PtWidget_t *vimTextArea; /* PtRaw */ 470 PtWidget_t *vimContainer; /* PtPanel */ 471 # if defined(FEAT_MENU) || defined(FEAT_TOOLBAR) 472 PtWidget_t *vimToolBarGroup; 473 # endif 474 # ifdef FEAT_MENU 475 PtWidget_t *vimMenuBar; 476 # endif 477 # ifdef FEAT_TOOLBAR 478 PtWidget_t *vimToolBar; 479 int toolbar_height; 480 # endif 481 PhEvent_t *event_buffer; 482 #endif 483 484 #ifdef FEAT_XIM 485 char *rsrc_input_method; 486 char *rsrc_preedit_type_name; 487 #endif 488 } gui_T; 489 490 extern gui_T gui; /* this is defined in gui.c */ 491 492 /* definitions of available window positionings for gui_*_position_in_parent() 493 */ 494 typedef enum 495 { 496 VW_POS_MOUSE, 497 VW_POS_CENTER, 498 VW_POS_TOP_CENTER 499 } gui_win_pos_T; 500 501 #ifdef FIND_REPLACE_DIALOG 502 /* 503 * Flags used to distinguish the different contexts in which the 504 * find/replace callback may be called. 505 */ 506 # define FRD_FINDNEXT 1 /* Find next in find dialog */ 507 # define FRD_R_FINDNEXT 2 /* Find next in repl dialog */ 508 # define FRD_REPLACE 3 /* Replace once */ 509 # define FRD_REPLACEALL 4 /* Replace remaining matches */ 510 # define FRD_UNDO 5 /* Undo replaced text */ 511 # define FRD_TYPE_MASK 7 /* Mask for the callback type */ 512 /* Flags which change the way searching is done. */ 513 # define FRD_WHOLE_WORD 0x08 /* match whole word only */ 514 # define FRD_MATCH_CASE 0x10 /* match case */ 515 #endif 516 517 #ifdef FEAT_GUI_GTK 518 /* 519 * Convenience macros to convert from 'encoding' to 'termencoding' and 520 * vice versa. If no conversion is necessary the passed-in pointer is 521 * returned as is, without allocating any memory. Thus additional _FREE() 522 * macros are provided. The _FREE() macros also set the pointer to NULL, 523 * in order to avoid bugs due to illegal memory access only happening if 524 * 'encoding' != utf-8... 525 * 526 * Defining these macros as pure expressions looks a bit tricky but 527 * avoids depending on the context of the macro expansion. One of the 528 * rare occasions where the comma operator comes in handy :) 529 * 530 * Note: Do NOT keep the result around when handling control back to 531 * the main Vim! The user could change 'encoding' at any time. 532 */ 533 # define CONVERT_TO_UTF8(String) \ 534 ((output_conv.vc_type == CONV_NONE || (String) == NULL) \ 535 ? (String) \ 536 : string_convert(&output_conv, (String), NULL)) 537 538 # define CONVERT_TO_UTF8_FREE(String) \ 539 ((String) = ((output_conv.vc_type == CONV_NONE) \ 540 ? (char_u *)NULL \ 541 : (vim_free(String), (char_u *)NULL))) 542 543 # define CONVERT_FROM_UTF8(String) \ 544 ((input_conv.vc_type == CONV_NONE || (String) == NULL) \ 545 ? (String) \ 546 : string_convert(&input_conv, (String), NULL)) 547 548 # define CONVERT_FROM_UTF8_FREE(String) \ 549 ((String) = ((input_conv.vc_type == CONV_NONE) \ 550 ? (char_u *)NULL \ 551 : (vim_free(String), (char_u *)NULL))) 552 553 #else 554 # define CONVERT_TO_UTF8(String) (String) 555 # define CONVERT_TO_UTF8_FREE(String) ((String) = (char_u *)NULL) 556 # define CONVERT_FROM_UTF8(String) (String) 557 # define CONVERT_FROM_UTF8_FREE(String) ((String) = (char_u *)NULL) 558 #endif /* FEAT_GUI_GTK */ 559 560 #ifdef FEAT_GUI_GTK 561 /* 562 * The second parameter of g_signal_handlers_disconnect_by_func() is supposed 563 * to be a function pointer which was passed to g_signal_connect_*() somewhere 564 * previously, and hence it must be of type GCallback, i.e., void (*)(void). 565 * 566 * Meanwhile, g_signal_handlers_disconnect_by_func() is a macro calling 567 * g_signal_handlers_disconnect_matched(), and the second parameter of the 568 * former is to be passed to the sixth parameter of the latter the type of 569 * which, however, is declared as void * in the function signature. 570 * 571 * While the ISO C Standard does not require that function pointers be 572 * interconvertible to void *, widely-used compilers such as gcc and clang 573 * do such conversion implicitly and automatically on some platforms without 574 * issuing any warning. 575 * 576 * For Solaris Studio, that is not the case. An explicit type cast is needed 577 * to suppress warnings on that particular conversion. 578 */ 579 # if defined(__SUNPRO_C) && defined(USE_GTK3) 580 # define FUNC2GENERIC(func) (void *)(func) 581 # else 582 # define FUNC2GENERIC(func) G_CALLBACK(func) 583 # endif 584 #endif /* FEAT_GUI_GTK */ 585 586 #if defined(UNIX) && !defined(FEAT_GUI_MAC) 587 # define GUI_MAY_FORK 588 #endif 589