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