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 #ifdef FEAT_GUI_MAC 33 # include <Types.h> 34 /*# include <Memory.h>*/ 35 # include <Quickdraw.h> 36 # include <Fonts.h> 37 # include <Events.h> 38 # include <Menus.h> 39 # if !(defined (TARGET_API_MAC_CARBON) && (TARGET_API_MAC_CARBON)) 40 # include <Windows.h> 41 # endif 42 # include <Controls.h> 43 /*# include <TextEdit.h>*/ 44 # include <Dialogs.h> 45 # include <OSUtils.h> 46 /* 47 # include <ToolUtils.h> 48 # include <SegLoad.h>*/ 49 #endif 50 51 #ifdef FEAT_GUI_PHOTON 52 # include <Ph.h> 53 # include <Pt.h> 54 # include "photon/PxProto.h" 55 #endif 56 57 /* 58 * On some systems scrolling needs to be done right away instead of in the 59 * main loop. 60 */ 61 #if defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_GTK) 62 # define USE_ON_FLY_SCROLL 63 #endif 64 65 /* 66 * GUIs that support dropping files on a running Vim. 67 */ 68 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ 69 || defined(FEAT_GUI_MSWIN) \ 70 || defined(FEAT_GUI_MAC) 71 # define HAVE_DROP_FILE 72 #endif 73 74 /* 75 * This define makes menus always use a fontset. 76 * We're not sure if this code always works, thus it can be disabled. 77 */ 78 #ifdef FEAT_XFONTSET 79 # define FONTSET_ALWAYS 80 #endif 81 82 /* 83 * These macros convert between character row/column and pixel coordinates. 84 * TEXT_X - Convert character column into X pixel coord for drawing strings. 85 * TEXT_Y - Convert character row into Y pixel coord for drawing strings. 86 * FILL_X - Convert character column into X pixel coord for filling the area 87 * under the character. 88 * FILL_Y - Convert character row into Y pixel coord for filling the area 89 * under the character. 90 * X_2_COL - Convert X pixel coord into character column. 91 * Y_2_ROW - Convert Y pixel coord into character row. 92 */ 93 #ifdef FEAT_GUI_W32 94 # define TEXT_X(col) ((col) * gui.char_width) 95 # define TEXT_Y(row) ((row) * gui.char_height + gui.char_ascent) 96 # define FILL_X(col) ((col) * gui.char_width) 97 # define FILL_Y(row) ((row) * gui.char_height) 98 # define X_2_COL(x) ((x) / gui.char_width) 99 # define Y_2_ROW(y) ((y) / gui.char_height) 100 #else 101 # define TEXT_X(col) ((col) * gui.char_width + gui.border_offset) 102 # define FILL_X(col) ((col) * gui.char_width + gui.border_offset) 103 # define X_2_COL(x) (((x) - gui.border_offset) / gui.char_width) 104 # define TEXT_Y(row) ((row) * gui.char_height + gui.char_ascent \ 105 + gui.border_offset) 106 # define FILL_Y(row) ((row) * gui.char_height + gui.border_offset) 107 # define Y_2_ROW(y) (((y) - gui.border_offset) / gui.char_height) 108 #endif 109 110 /* Indices for arrays of scrollbars */ 111 #define SBAR_NONE -1 112 #define SBAR_LEFT 0 113 #define SBAR_RIGHT 1 114 #define SBAR_BOTTOM 2 115 116 /* Orientations for scrollbars */ 117 #define SBAR_VERT 0 118 #define SBAR_HORIZ 1 119 120 /* Default size of scrollbar */ 121 #define SB_DEFAULT_WIDTH 16 122 123 /* Default height of the menu bar */ 124 #define MENU_DEFAULT_HEIGHT 1 /* figure it out at runtime */ 125 126 /* Flags for gui_mch_outstr_nowrap() */ 127 #define GUI_MON_WRAP_CURSOR 0x01 /* wrap cursor at end of line */ 128 #define GUI_MON_INVERT 0x02 /* invert the characters */ 129 #define GUI_MON_IS_CURSOR 0x04 /* drawing cursor */ 130 #define GUI_MON_TRS_CURSOR 0x08 /* drawing transparent cursor */ 131 #define GUI_MON_NOCLEAR 0x10 /* don't clear selection */ 132 133 /* Flags for gui_mch_draw_string() */ 134 #define DRAW_TRANSP 0x01 /* draw with transparent bg */ 135 #define DRAW_BOLD 0x02 /* draw bold text */ 136 #define DRAW_UNDERL 0x04 /* draw underline text */ 137 #define DRAW_UNDERC 0x08 /* draw undercurl text */ 138 #if defined(FEAT_GUI_GTK) 139 # define DRAW_ITALIC 0x10 /* draw italic text */ 140 #endif 141 #define DRAW_CURSOR 0x20 /* drawing block cursor (win32) */ 142 #define DRAW_STRIKE 0x40 /* strikethrough */ 143 144 /* For our own tearoff menu item */ 145 #define TEAR_STRING "-->Detach" 146 #define TEAR_LEN (9) /* length of above string */ 147 148 /* for the toolbar */ 149 #define TOOLBAR_BUTTON_HEIGHT 18 150 #define TOOLBAR_BUTTON_WIDTH 18 151 #define TOOLBAR_BORDER_HEIGHT 12 /* room above+below buttons for MSWindows */ 152 153 #ifdef FEAT_GUI_MSWIN 154 # define TABLINE_HEIGHT 22 155 #endif 156 #ifdef FEAT_GUI_MOTIF 157 # define TABLINE_HEIGHT 30 158 #endif 159 160 #if defined(NO_CONSOLE) || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) 161 # define NO_CONSOLE_INPUT /* use no_console_input() to check if there 162 is no console input possible */ 163 #endif 164 165 typedef struct GuiScrollbar 166 { 167 long ident; /* Unique identifier for each scrollbar */ 168 win_T *wp; /* Scrollbar's window, NULL for bottom */ 169 int type; /* one of SBAR_{LEFT,RIGHT,BOTTOM} */ 170 long value; /* Represents top line number visible */ 171 #ifdef FEAT_GUI_ATHENA 172 int pixval; /* pixel count of value */ 173 #endif 174 long size; /* Size of scrollbar thumb */ 175 long max; /* Number of lines in buffer */ 176 177 /* Values measured in characters: */ 178 int top; /* Top of scroll bar (chars from row 0) */ 179 int height; /* Current height of scroll bar in rows */ 180 int width; /* Current width of scroll bar in cols */ 181 int status_height; /* Height of status line */ 182 #ifdef FEAT_GUI_X11 183 Widget id; /* Id of real scroll bar */ 184 #endif 185 #ifdef FEAT_GUI_GTK 186 GtkWidget *id; /* Id of real scroll bar */ 187 unsigned long handler_id; /* Id of "value_changed" signal handler */ 188 #endif 189 190 #ifdef FEAT_GUI_MSWIN 191 HWND id; /* Id of real scroll bar */ 192 int scroll_shift; /* The scrollbar stuff can handle only up to 193 32767 lines. When the file is longer, 194 scroll_shift is set to the number of shifts 195 to reduce the count. */ 196 #endif 197 #ifdef FEAT_GUI_MAC 198 ControlHandle id; /* A handle to the scrollbar */ 199 #endif 200 #ifdef FEAT_GUI_PHOTON 201 PtWidget_t *id; 202 #endif 203 } scrollbar_T; 204 205 typedef long guicolor_T; /* handle for a GUI color; for X11 this should 206 be "Pixel", but that's an unsigned and we 207 need a signed value */ 208 #define INVALCOLOR (guicolor_T)-11111 /* number for invalid color; on 32 bit 209 displays there is a tiny chance this is an 210 actual color */ 211 #define CTERMCOLOR (guicolor_T)-11110 /* only used for cterm.bg_rgb and 212 cterm.fg_rgb: use cterm color */ 213 214 #ifdef FEAT_GUI_GTK 215 typedef PangoFontDescription *GuiFont; /* handle for a GUI font */ 216 typedef PangoFontDescription *GuiFontset; /* handle for a GUI fontset */ 217 # define NOFONT (GuiFont)NULL 218 # define NOFONTSET (GuiFontset)NULL 219 #else 220 # ifdef FEAT_GUI_PHOTON 221 typedef char *GuiFont; 222 typedef char *GuiFontset; 223 # define NOFONT (GuiFont)NULL 224 # define NOFONTSET (GuiFontset)NULL 225 # else 226 # ifdef FEAT_GUI_X11 227 typedef XFontStruct *GuiFont; /* handle for a GUI font */ 228 typedef XFontSet GuiFontset; /* handle for a GUI fontset */ 229 # define NOFONT (GuiFont)0 230 # define NOFONTSET (GuiFontset)0 231 # else 232 typedef long_u GuiFont; /* handle for a GUI font */ 233 typedef long_u GuiFontset; /* handle for a GUI fontset */ 234 # define NOFONT (GuiFont)0 235 # define NOFONTSET (GuiFontset)0 236 # endif 237 # endif 238 #endif 239 240 typedef struct Gui 241 { 242 int in_focus; /* Vim has input focus */ 243 int in_use; /* Is the GUI being used? */ 244 int starting; /* GUI will start in a little while */ 245 int shell_created; /* Has the shell been created yet? */ 246 int dying; /* Is vim dying? Then output to terminal */ 247 int dofork; /* Use fork() when GUI is starting */ 248 int dragged_sb; /* Which scrollbar being dragged, if any? */ 249 win_T *dragged_wp; /* Which WIN's sb being dragged, if any? */ 250 int pointer_hidden; /* Is the mouse pointer hidden? */ 251 int col; /* Current cursor column in GUI display */ 252 int row; /* Current cursor row in GUI display */ 253 int cursor_col; /* Physical cursor column in GUI display */ 254 int cursor_row; /* Physical cursor row in GUI display */ 255 char cursor_is_valid; /* There is a cursor at cursor_row/col */ 256 int num_cols; /* Number of columns */ 257 int num_rows; /* Number of rows */ 258 int scroll_region_top; /* Top (first) line of scroll region */ 259 int scroll_region_bot; /* Bottom (last) line of scroll region */ 260 int scroll_region_left; /* Left (first) column of scroll region */ 261 int scroll_region_right; /* Right (last) col. of scroll region */ 262 int highlight_mask; /* Highlight attribute mask */ 263 int scrollbar_width; /* Width of vertical scrollbars */ 264 int scrollbar_height; /* Height of horizontal scrollbar */ 265 int left_sbar_x; /* Calculated x coord for left scrollbar */ 266 int right_sbar_x; /* Calculated x coord for right scrollbar */ 267 268 #ifdef FEAT_MENU 269 # ifndef FEAT_GUI_GTK 270 int menu_height; /* Height of the menu bar */ 271 int menu_width; /* Width of the menu bar */ 272 # endif 273 char menu_is_active; /* TRUE if menu is present */ 274 # ifdef FEAT_GUI_ATHENA 275 char menu_height_fixed; /* TRUE if menu height fixed */ 276 # endif 277 #endif 278 279 scrollbar_T bottom_sbar; /* Bottom scrollbar */ 280 int which_scrollbars[3];/* Which scrollbar boxes are active? */ 281 int prev_wrap; /* For updating the horizontal scrollbar */ 282 int char_width; /* Width of char cell in pixels */ 283 int char_height; /* Height of char cell in pixels, includes 284 'linespace' */ 285 int char_ascent; /* Ascent of char in pixels */ 286 int border_width; /* Width of our border around text area */ 287 int border_offset; /* Total pixel offset for all borders */ 288 289 GuiFont norm_font; /* Normal font */ 290 #ifndef FEAT_GUI_GTK 291 GuiFont bold_font; /* Bold font */ 292 GuiFont ital_font; /* Italic font */ 293 GuiFont boldital_font; /* Bold-Italic font */ 294 #else 295 int font_can_bold; /* Whether norm_font supports bold weight. 296 * The styled font variants are not used. */ 297 #endif 298 299 #if defined(FEAT_MENU) && !defined(FEAT_GUI_GTK) 300 # ifdef FONTSET_ALWAYS 301 GuiFontset menu_fontset; /* set of fonts for multi-byte chars */ 302 # else 303 GuiFont menu_font; /* menu item font */ 304 # endif 305 #endif 306 #ifdef FEAT_MBYTE 307 GuiFont wide_font; /* Normal 'guifontwide' font */ 308 # ifndef FEAT_GUI_GTK 309 GuiFont wide_bold_font; /* Bold 'guifontwide' font */ 310 GuiFont wide_ital_font; /* Italic 'guifontwide' font */ 311 GuiFont wide_boldital_font; /* Bold-Italic 'guifontwide' font */ 312 # endif 313 #endif 314 #ifdef FEAT_XFONTSET 315 GuiFontset fontset; /* set of fonts for multi-byte chars */ 316 #endif 317 guicolor_T back_pixel; /* Color of background */ 318 guicolor_T norm_pixel; /* Color of normal text */ 319 guicolor_T def_back_pixel; /* default Color of background */ 320 guicolor_T def_norm_pixel; /* default Color of normal text */ 321 322 #ifdef FEAT_GUI_X11 323 char *rsrc_menu_fg_name; /* Color of menu & dialog foreground */ 324 guicolor_T menu_fg_pixel; /* Same in Pixel format */ 325 char *rsrc_menu_bg_name; /* Color of menu & dialog background */ 326 guicolor_T menu_bg_pixel; /* Same in Pixel format */ 327 char *rsrc_scroll_fg_name; /* Color of scrollbar foreground */ 328 guicolor_T scroll_fg_pixel; /* Same in Pixel format */ 329 char *rsrc_scroll_bg_name; /* Color of scrollbar background */ 330 guicolor_T scroll_bg_pixel; /* Same in Pixel format */ 331 332 # ifdef FEAT_GUI_MOTIF 333 guicolor_T menu_def_fg_pixel; /* Default menu foreground */ 334 guicolor_T menu_def_bg_pixel; /* Default menu background */ 335 guicolor_T scroll_def_fg_pixel; /* Default scrollbar foreground */ 336 guicolor_T scroll_def_bg_pixel; /* Default scrollbar background */ 337 # endif 338 Display *dpy; /* X display */ 339 Window wid; /* Window id of text area */ 340 int visibility; /* Is shell partially/fully obscured? */ 341 GC text_gc; 342 GC back_gc; 343 GC invert_gc; 344 Cursor blank_pointer; /* Blank pointer */ 345 346 /* X Resources */ 347 char_u *rsrc_font_name; /* Resource font name, used if 'guifont' 348 not set */ 349 char_u *rsrc_bold_font_name; /* Resource bold font name */ 350 char_u *rsrc_ital_font_name; /* Resource italic font name */ 351 char_u *rsrc_boldital_font_name; /* Resource bold-italic font name */ 352 char_u *rsrc_menu_font_name; /* Resource menu Font name */ 353 Bool rsrc_rev_video; /* Use reverse video? */ 354 355 char_u *geom; /* Geometry, eg "80x24" */ 356 Bool color_approx; /* Some color was approximated */ 357 #endif 358 359 #ifdef FEAT_GUI_GTK 360 # ifndef USE_GTK3 361 int visibility; /* Is shell partially/fully obscured? */ 362 # endif 363 GdkCursor *blank_pointer; /* Blank pointer */ 364 365 /* X Resources */ 366 char_u *geom; /* Geometry, eg "80x24" */ 367 368 GtkWidget *mainwin; /* top level GTK window */ 369 GtkWidget *formwin; /* manages all the windows below */ 370 GtkWidget *drawarea; /* the "text" area */ 371 # ifdef FEAT_MENU 372 GtkWidget *menubar; /* menubar */ 373 # endif 374 # ifdef FEAT_TOOLBAR 375 GtkWidget *toolbar; /* toolbar */ 376 # endif 377 # ifdef FEAT_GUI_GNOME 378 GtkWidget *menubar_h; /* menubar handle */ 379 GtkWidget *toolbar_h; /* toolbar handle */ 380 # endif 381 # ifdef USE_GTK3 382 GdkRGBA *fgcolor; /* GDK-styled foreground color */ 383 GdkRGBA *bgcolor; /* GDK-styled background color */ 384 GdkRGBA *spcolor; /* GDK-styled special color */ 385 # else 386 GdkColor *fgcolor; /* GDK-styled foreground color */ 387 GdkColor *bgcolor; /* GDK-styled background color */ 388 GdkColor *spcolor; /* GDK-styled special color */ 389 # endif 390 # ifdef USE_GTK3 391 cairo_surface_t *surface; /* drawarea surface */ 392 gboolean by_signal; /* cause of draw operation */ 393 # else 394 GdkGC *text_gc; /* cached GC for normal text */ 395 # endif 396 PangoContext *text_context; /* the context used for all text */ 397 PangoFont *ascii_font; /* cached font for ASCII strings */ 398 PangoGlyphString *ascii_glyphs; /* cached code point -> glyph map */ 399 # ifdef FEAT_GUI_TABLINE 400 GtkWidget *tabline; /* tab pages line handle */ 401 # endif 402 403 GtkAccelGroup *accel_group; 404 GtkWidget *filedlg; /* file selection dialog */ 405 char_u *browse_fname; /* file name from filedlg */ 406 407 guint32 event_time; 408 #endif /* FEAT_GUI_GTK */ 409 410 #if defined(FEAT_GUI_TABLINE) \ 411 && (defined(FEAT_GUI_W32) || defined(FEAT_GUI_MOTIF) \ 412 || defined(FEAT_GUI_MAC)) 413 int tabline_height; 414 #endif 415 416 #ifdef FEAT_FOOTER 417 int footer_height; /* height of the message footer */ 418 #endif 419 420 #if defined(FEAT_TOOLBAR) \ 421 && (defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MOTIF)) 422 int toolbar_height; /* height of the toolbar */ 423 #endif 424 425 #ifdef FEAT_BEVAL_TIP 426 /* Tooltip properties; also used for balloon evaluation */ 427 char_u *rsrc_tooltip_font_name; /* tooltip font name */ 428 char *rsrc_tooltip_fg_name; /* tooltip foreground color name */ 429 char *rsrc_tooltip_bg_name; /* tooltip background color name */ 430 guicolor_T tooltip_fg_pixel; /* tooltip foreground color */ 431 guicolor_T tooltip_bg_pixel; /* tooltip background color */ 432 XFontSet tooltip_fontset; /* tooltip fontset */ 433 #endif 434 435 #ifdef FEAT_GUI_MSWIN 436 GuiFont currFont; /* Current font */ 437 guicolor_T currFgColor; /* Current foreground text color */ 438 guicolor_T currBgColor; /* Current background text color */ 439 guicolor_T currSpColor; /* Current special text color */ 440 #endif 441 442 #ifdef FEAT_GUI_MAC 443 WindowPtr VimWindow; 444 MenuHandle MacOSHelpMenu; /* Help menu provided by the MacOS */ 445 int MacOSHelpItems; /* Nr of help-items supplied by MacOS */ 446 WindowPtr wid; /* Window id of text area */ 447 int visibility; /* Is window partially/fully obscured? */ 448 #endif 449 450 #ifdef FEAT_GUI_PHOTON 451 PtWidget_t *vimWindow; /* PtWindow */ 452 PtWidget_t *vimTextArea; /* PtRaw */ 453 PtWidget_t *vimContainer; /* PtPanel */ 454 # if defined(FEAT_MENU) || defined(FEAT_TOOLBAR) 455 PtWidget_t *vimToolBarGroup; 456 # endif 457 # ifdef FEAT_MENU 458 PtWidget_t *vimMenuBar; 459 # endif 460 # ifdef FEAT_TOOLBAR 461 PtWidget_t *vimToolBar; 462 int toolbar_height; 463 # endif 464 PhEvent_t *event_buffer; 465 #endif 466 467 #ifdef FEAT_XIM 468 char *rsrc_input_method; 469 char *rsrc_preedit_type_name; 470 #endif 471 } gui_T; 472 473 extern gui_T gui; /* this is defined in gui.c */ 474 475 /* definitions of available window positionings for gui_*_position_in_parent() 476 */ 477 typedef enum 478 { 479 VW_POS_MOUSE, 480 VW_POS_CENTER, 481 VW_POS_TOP_CENTER 482 } gui_win_pos_T; 483 484 #ifdef FIND_REPLACE_DIALOG 485 /* 486 * Flags used to distinguish the different contexts in which the 487 * find/replace callback may be called. 488 */ 489 # define FRD_FINDNEXT 1 /* Find next in find dialog */ 490 # define FRD_R_FINDNEXT 2 /* Find next in repl dialog */ 491 # define FRD_REPLACE 3 /* Replace once */ 492 # define FRD_REPLACEALL 4 /* Replace remaining matches */ 493 # define FRD_UNDO 5 /* Undo replaced text */ 494 # define FRD_TYPE_MASK 7 /* Mask for the callback type */ 495 /* Flags which change the way searching is done. */ 496 # define FRD_WHOLE_WORD 0x08 /* match whole word only */ 497 # define FRD_MATCH_CASE 0x10 /* match case */ 498 #endif 499 500 #ifdef FEAT_GUI_GTK 501 /* 502 * Convenience macros to convert from 'encoding' to 'termencoding' and 503 * vice versa. If no conversion is necessary the passed-in pointer is 504 * returned as is, without allocating any memory. Thus additional _FREE() 505 * macros are provided. The _FREE() macros also set the pointer to NULL, 506 * in order to avoid bugs due to illegal memory access only happening if 507 * 'encoding' != utf-8... 508 * 509 * Defining these macros as pure expressions looks a bit tricky but 510 * avoids depending on the context of the macro expansion. One of the 511 * rare occasions where the comma operator comes in handy :) 512 * 513 * Note: Do NOT keep the result around when handling control back to 514 * the main Vim! The user could change 'encoding' at any time. 515 */ 516 # define CONVERT_TO_UTF8(String) \ 517 ((output_conv.vc_type == CONV_NONE || (String) == NULL) \ 518 ? (String) \ 519 : string_convert(&output_conv, (String), NULL)) 520 521 # define CONVERT_TO_UTF8_FREE(String) \ 522 ((String) = ((output_conv.vc_type == CONV_NONE) \ 523 ? (char_u *)NULL \ 524 : (vim_free(String), (char_u *)NULL))) 525 526 # define CONVERT_FROM_UTF8(String) \ 527 ((input_conv.vc_type == CONV_NONE || (String) == NULL) \ 528 ? (String) \ 529 : string_convert(&input_conv, (String), NULL)) 530 531 # define CONVERT_FROM_UTF8_FREE(String) \ 532 ((String) = ((input_conv.vc_type == CONV_NONE) \ 533 ? (char_u *)NULL \ 534 : (vim_free(String), (char_u *)NULL))) 535 536 #else 537 # define CONVERT_TO_UTF8(String) (String) 538 # define CONVERT_TO_UTF8_FREE(String) ((String) = (char_u *)NULL) 539 # define CONVERT_FROM_UTF8(String) (String) 540 # define CONVERT_FROM_UTF8_FREE(String) ((String) = (char_u *)NULL) 541 #endif /* FEAT_GUI_GTK */ 542 543 #ifdef FEAT_GUI_GTK 544 /* 545 * The second parameter of g_signal_handlers_disconnect_by_func() is supposed 546 * to be a function pointer which was passed to g_signal_connect_*() somewhere 547 * previously, and hence it must be of type GCallback, i.e., void (*)(void). 548 * 549 * Meanwhile, g_signal_handlers_disconnect_by_func() is a macro calling 550 * g_signal_handlers_disconnect_matched(), and the second parameter of the 551 * former is to be passed to the sixth parameter of the latter the type of 552 * which, however, is declared as void * in the function signature. 553 * 554 * While the ISO C Standard does not require that function pointers be 555 * interconvertible to void *, widely-used compilers such as gcc and clang 556 * do such conversion implicitly and automatically on some platforms without 557 * issuing any warning. 558 * 559 * For Solaris Studio, that is not the case. An explicit type cast is needed 560 * to suppress warnings on that particular conversion. 561 */ 562 # if defined(__SUNPRO_C) && defined(USE_GTK3) 563 # define FUNC2GENERIC(func) (void *)(func) 564 # else 565 # define FUNC2GENERIC(func) G_CALLBACK(func) 566 # endif 567 #endif /* FEAT_GUI_GTK */ 568 569 #if defined(UNIX) && !defined(FEAT_GUI_MAC) 570 # define GUI_MAY_FORK 571 #endif 572