/
gui_x11.c
3609 lines (3262 loc) · 86.3 KB
/
gui_x11.c
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/* vi:set ts=8 sts=4 sw=4:
*
* VIM - Vi IMproved by Bram Moolenaar
* GUI/Motif support by Robert Webb
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* Common code for the Motif and Athena GUI.
* Not used for GTK.
*/
#include <X11/keysym.h>
#include <X11/Xatom.h>
#include <X11/StringDefs.h>
#include <X11/Intrinsic.h>
#include <X11/Shell.h>
#include <X11/cursorfont.h>
#include "vim.h"
/*
* For Workshop XpmP.h is preferred, because it makes the signs drawn with a
* transparent background instead of black.
*/
#if defined(HAVE_XM_XPMP_H) && defined(FEAT_GUI_MOTIF) \
&& (!defined(HAVE_X11_XPM_H) || defined(FEAT_SUN_WORKSHOP))
# include <Xm/XpmP.h>
#else
# ifdef HAVE_X11_XPM_H
# include <X11/xpm.h>
# endif
#endif
#ifdef FEAT_XFONTSET
# ifdef X_LOCALE
# include <X11/Xlocale.h>
# else
# include <locale.h>
# endif
#endif
#ifdef HAVE_X11_SUNKEYSYM_H
# include <X11/Sunkeysym.h>
#endif
#ifdef HAVE_X11_XMU_EDITRES_H
# include <X11/Xmu/Editres.h>
#endif
#ifdef FEAT_BEVAL_TIP
# include "gui_beval.h"
#endif
#define VIM_NAME "vim"
#define VIM_CLASS "Vim"
/* Default resource values */
#define DFLT_FONT "7x13"
#ifdef FONTSET_ALWAYS
# define DFLT_MENU_FONT XtDefaultFontSet
#else
# define DFLT_MENU_FONT XtDefaultFont
#endif
#define DFLT_TOOLTIP_FONT XtDefaultFontSet
#ifdef FEAT_GUI_ATHENA
# define DFLT_MENU_BG_COLOR "gray77"
# define DFLT_MENU_FG_COLOR "black"
# define DFLT_SCROLL_BG_COLOR "gray60"
# define DFLT_SCROLL_FG_COLOR "gray77"
# define DFLT_TOOLTIP_BG_COLOR "#ffffffff9191"
# define DFLT_TOOLTIP_FG_COLOR "#000000000000"
#else
/* use the default (CDE) colors */
# define DFLT_MENU_BG_COLOR ""
# define DFLT_MENU_FG_COLOR ""
# define DFLT_SCROLL_BG_COLOR ""
# define DFLT_SCROLL_FG_COLOR ""
# define DFLT_TOOLTIP_BG_COLOR "#ffffffff9191"
# define DFLT_TOOLTIP_FG_COLOR "#000000000000"
#endif
Widget vimShell = (Widget)0;
static Atom wm_atoms[2]; /* Window Manager Atoms */
#define DELETE_WINDOW_IDX 0 /* index in wm_atoms[] for WM_DELETE_WINDOW */
#define SAVE_YOURSELF_IDX 1 /* index in wm_atoms[] for WM_SAVE_YOURSELF */
#ifdef FEAT_XFONTSET
/*
* We either draw with a fontset (when current_fontset != NULL) or with a
* normal font (current_fontset == NULL, use gui.text_gc and gui.back_gc).
*/
static XFontSet current_fontset = NULL;
#define XDrawString(dpy, win, gc, x, y, str, n) \
do \
{ \
if (current_fontset != NULL) \
XmbDrawString(dpy, win, current_fontset, gc, x, y, str, n); \
else \
XDrawString(dpy, win, gc, x, y, str, n); \
} while (0)
#define XDrawString16(dpy, win, gc, x, y, str, n) \
do \
{ \
if (current_fontset != NULL) \
XwcDrawString(dpy, win, current_fontset, gc, x, y, (wchar_t *)str, n); \
else \
XDrawString16(dpy, win, gc, x, y, (XChar2b *)str, n); \
} while (0)
#define XDrawImageString16(dpy, win, gc, x, y, str, n) \
do \
{ \
if (current_fontset != NULL) \
XwcDrawImageString(dpy, win, current_fontset, gc, x, y, (wchar_t *)str, n); \
else \
XDrawImageString16(dpy, win, gc, x, y, (XChar2b *)str, n); \
} while (0)
static int check_fontset_sanity __ARGS((XFontSet fs));
static int fontset_width __ARGS((XFontSet fs));
static int fontset_ascent __ARGS((XFontSet fs));
#endif
static guicolor_T prev_fg_color = INVALCOLOR;
static guicolor_T prev_bg_color = INVALCOLOR;
static guicolor_T prev_sp_color = INVALCOLOR;
#if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU)
static XButtonPressedEvent last_mouse_event;
#endif
static int find_closest_color __ARGS((Colormap colormap, XColor *colorPtr));
static void gui_x11_timer_cb __ARGS((XtPointer timed_out, XtIntervalId *interval_id));
static void gui_x11_visibility_cb __ARGS((Widget w, XtPointer dud, XEvent *event, Boolean *dum));
static void gui_x11_expose_cb __ARGS((Widget w, XtPointer dud, XEvent *event, Boolean *dum));
static void gui_x11_resize_window_cb __ARGS((Widget w, XtPointer dud, XEvent *event, Boolean *dum));
static void gui_x11_focus_change_cb __ARGS((Widget w, XtPointer data, XEvent *event, Boolean *dum));
static void gui_x11_enter_cb __ARGS((Widget w, XtPointer data, XEvent *event, Boolean *dum));
static void gui_x11_leave_cb __ARGS((Widget w, XtPointer data, XEvent *event, Boolean *dum));
static void gui_x11_mouse_cb __ARGS((Widget w, XtPointer data, XEvent *event, Boolean *dum));
#ifdef FEAT_SNIFF
static void gui_x11_sniff_request_cb __ARGS((XtPointer closure, int *source, XtInputId *id));
#endif
static void gui_x11_check_copy_area __ARGS((void));
#ifdef FEAT_CLIENTSERVER
static void gui_x11_send_event_handler __ARGS((Widget, XtPointer, XEvent *, Boolean *));
#endif
static void gui_x11_wm_protocol_handler __ARGS((Widget, XtPointer, XEvent *, Boolean *));
static void gui_x11_blink_cb __ARGS((XtPointer timed_out, XtIntervalId *interval_id));
static Cursor gui_x11_create_blank_mouse __ARGS((void));
static void draw_curl __ARGS((int row, int col, int cells));
/*
* Keycodes recognized by vim.
* NOTE: when changing this, the table in gui_gtk_x11.c probably needs the
* same change!
*/
static struct specialkey
{
KeySym key_sym;
char_u vim_code0;
char_u vim_code1;
} special_keys[] =
{
{XK_Up, 'k', 'u'},
{XK_Down, 'k', 'd'},
{XK_Left, 'k', 'l'},
{XK_Right, 'k', 'r'},
{XK_F1, 'k', '1'},
{XK_F2, 'k', '2'},
{XK_F3, 'k', '3'},
{XK_F4, 'k', '4'},
{XK_F5, 'k', '5'},
{XK_F6, 'k', '6'},
{XK_F7, 'k', '7'},
{XK_F8, 'k', '8'},
{XK_F9, 'k', '9'},
{XK_F10, 'k', ';'},
{XK_F11, 'F', '1'},
{XK_F12, 'F', '2'},
{XK_F13, 'F', '3'},
{XK_F14, 'F', '4'},
{XK_F15, 'F', '5'},
{XK_F16, 'F', '6'},
{XK_F17, 'F', '7'},
{XK_F18, 'F', '8'},
{XK_F19, 'F', '9'},
{XK_F20, 'F', 'A'},
{XK_F21, 'F', 'B'},
{XK_F22, 'F', 'C'},
{XK_F23, 'F', 'D'},
{XK_F24, 'F', 'E'},
{XK_F25, 'F', 'F'},
{XK_F26, 'F', 'G'},
{XK_F27, 'F', 'H'},
{XK_F28, 'F', 'I'},
{XK_F29, 'F', 'J'},
{XK_F30, 'F', 'K'},
{XK_F31, 'F', 'L'},
{XK_F32, 'F', 'M'},
{XK_F33, 'F', 'N'},
{XK_F34, 'F', 'O'},
{XK_F35, 'F', 'P'}, /* keysymdef.h defines up to F35 */
#ifdef SunXK_F36
{SunXK_F36, 'F', 'Q'},
{SunXK_F37, 'F', 'R'},
#endif
{XK_Help, '%', '1'},
{XK_Undo, '&', '8'},
{XK_BackSpace, 'k', 'b'},
{XK_Insert, 'k', 'I'},
{XK_Delete, 'k', 'D'},
{XK_Home, 'k', 'h'},
{XK_End, '@', '7'},
{XK_Prior, 'k', 'P'},
{XK_Next, 'k', 'N'},
{XK_Print, '%', '9'},
/* Keypad keys: */
#ifdef XK_KP_Left
{XK_KP_Left, 'k', 'l'},
{XK_KP_Right, 'k', 'r'},
{XK_KP_Up, 'k', 'u'},
{XK_KP_Down, 'k', 'd'},
{XK_KP_Insert, KS_EXTRA, (char_u)KE_KINS},
{XK_KP_Delete, KS_EXTRA, (char_u)KE_KDEL},
{XK_KP_Home, 'K', '1'},
{XK_KP_End, 'K', '4'},
{XK_KP_Prior, 'K', '3'},
{XK_KP_Next, 'K', '5'},
{XK_KP_Add, 'K', '6'},
{XK_KP_Subtract, 'K', '7'},
{XK_KP_Divide, 'K', '8'},
{XK_KP_Multiply, 'K', '9'},
{XK_KP_Enter, 'K', 'A'},
{XK_KP_Decimal, 'K', 'B'},
{XK_KP_0, 'K', 'C'},
{XK_KP_1, 'K', 'D'},
{XK_KP_2, 'K', 'E'},
{XK_KP_3, 'K', 'F'},
{XK_KP_4, 'K', 'G'},
{XK_KP_5, 'K', 'H'},
{XK_KP_6, 'K', 'I'},
{XK_KP_7, 'K', 'J'},
{XK_KP_8, 'K', 'K'},
{XK_KP_9, 'K', 'L'},
#endif
/* End of list marker: */
{(KeySym)0, 0, 0}
};
#define XtNboldFont "boldFont"
#define XtCBoldFont "BoldFont"
#define XtNitalicFont "italicFont"
#define XtCItalicFont "ItalicFont"
#define XtNboldItalicFont "boldItalicFont"
#define XtCBoldItalicFont "BoldItalicFont"
#define XtNscrollbarWidth "scrollbarWidth"
#define XtCScrollbarWidth "ScrollbarWidth"
#define XtNmenuHeight "menuHeight"
#define XtCMenuHeight "MenuHeight"
#define XtNmenuFont "menuFont"
#define XtCMenuFont "MenuFont"
#define XtNmenuFontSet "menuFontSet"
#define XtCMenuFontSet "MenuFontSet"
/* Resources for setting the foreground and background colors of menus */
#define XtNmenuBackground "menuBackground"
#define XtCMenuBackground "MenuBackground"
#define XtNmenuForeground "menuForeground"
#define XtCMenuForeground "MenuForeground"
/* Resources for setting the foreground and background colors of scrollbars */
#define XtNscrollBackground "scrollBackground"
#define XtCScrollBackground "ScrollBackground"
#define XtNscrollForeground "scrollForeground"
#define XtCScrollForeground "ScrollForeground"
/* Resources for setting the foreground and background colors of tooltip */
#define XtNtooltipBackground "tooltipBackground"
#define XtCTooltipBackground "TooltipBackground"
#define XtNtooltipForeground "tooltipForeground"
#define XtCTooltipForeground "TooltipForeground"
#define XtNtooltipFont "tooltipFont"
#define XtCTooltipFont "TooltipFont"
/*
* X Resources:
*/
static XtResource vim_resources[] =
{
{
XtNforeground,
XtCForeground,
XtRPixel,
sizeof(Pixel),
XtOffsetOf(gui_T, def_norm_pixel),
XtRString,
XtDefaultForeground
},
{
XtNbackground,
XtCBackground,
XtRPixel,
sizeof(Pixel),
XtOffsetOf(gui_T, def_back_pixel),
XtRString,
XtDefaultBackground
},
{
XtNfont,
XtCFont,
XtRString,
sizeof(String *),
XtOffsetOf(gui_T, rsrc_font_name),
XtRImmediate,
XtDefaultFont
},
{
XtNboldFont,
XtCBoldFont,
XtRString,
sizeof(String *),
XtOffsetOf(gui_T, rsrc_bold_font_name),
XtRImmediate,
""
},
{
XtNitalicFont,
XtCItalicFont,
XtRString,
sizeof(String *),
XtOffsetOf(gui_T, rsrc_ital_font_name),
XtRImmediate,
""
},
{
XtNboldItalicFont,
XtCBoldItalicFont,
XtRString,
sizeof(String *),
XtOffsetOf(gui_T, rsrc_boldital_font_name),
XtRImmediate,
""
},
{
XtNgeometry,
XtCGeometry,
XtRString,
sizeof(String *),
XtOffsetOf(gui_T, geom),
XtRImmediate,
""
},
{
XtNreverseVideo,
XtCReverseVideo,
XtRBool,
sizeof(Bool),
XtOffsetOf(gui_T, rsrc_rev_video),
XtRImmediate,
(XtPointer)False
},
{
XtNborderWidth,
XtCBorderWidth,
XtRInt,
sizeof(int),
XtOffsetOf(gui_T, border_width),
XtRImmediate,
(XtPointer)2
},
{
XtNscrollbarWidth,
XtCScrollbarWidth,
XtRInt,
sizeof(int),
XtOffsetOf(gui_T, scrollbar_width),
XtRImmediate,
(XtPointer)SB_DEFAULT_WIDTH
},
#ifdef FEAT_MENU
# ifdef FEAT_GUI_ATHENA /* with Motif the height is always computed */
{
XtNmenuHeight,
XtCMenuHeight,
XtRInt,
sizeof(int),
XtOffsetOf(gui_T, menu_height),
XtRImmediate,
(XtPointer)MENU_DEFAULT_HEIGHT /* Should figure out at run time */
},
# endif
{
# ifdef FONTSET_ALWAYS
XtNmenuFontSet,
XtCMenuFontSet,
#else
XtNmenuFont,
XtCMenuFont,
#endif
XtRString,
sizeof(char *),
XtOffsetOf(gui_T, rsrc_menu_font_name),
XtRString,
DFLT_MENU_FONT
},
#endif
{
XtNmenuForeground,
XtCMenuForeground,
XtRString,
sizeof(char *),
XtOffsetOf(gui_T, rsrc_menu_fg_name),
XtRString,
DFLT_MENU_FG_COLOR
},
{
XtNmenuBackground,
XtCMenuBackground,
XtRString,
sizeof(char *),
XtOffsetOf(gui_T, rsrc_menu_bg_name),
XtRString,
DFLT_MENU_BG_COLOR
},
{
XtNscrollForeground,
XtCScrollForeground,
XtRString,
sizeof(char *),
XtOffsetOf(gui_T, rsrc_scroll_fg_name),
XtRString,
DFLT_SCROLL_FG_COLOR
},
{
XtNscrollBackground,
XtCScrollBackground,
XtRString,
sizeof(char *),
XtOffsetOf(gui_T, rsrc_scroll_bg_name),
XtRString,
DFLT_SCROLL_BG_COLOR
},
#ifdef FEAT_BEVAL
{
XtNtooltipForeground,
XtCTooltipForeground,
XtRString,
sizeof(char *),
XtOffsetOf(gui_T, rsrc_tooltip_fg_name),
XtRString,
DFLT_TOOLTIP_FG_COLOR
},
{
XtNtooltipBackground,
XtCTooltipBackground,
XtRString,
sizeof(char *),
XtOffsetOf(gui_T, rsrc_tooltip_bg_name),
XtRString,
DFLT_TOOLTIP_BG_COLOR
},
{
XtNtooltipFont,
XtCTooltipFont,
XtRString,
sizeof(char *),
XtOffsetOf(gui_T, rsrc_tooltip_font_name),
XtRString,
DFLT_TOOLTIP_FONT
},
/* This one isn't really needed, keep for Sun Workshop? */
{
"balloonEvalFontSet",
XtCFontSet,
XtRFontSet,
sizeof(XFontSet),
XtOffsetOf(gui_T, tooltip_fontset),
XtRImmediate,
(XtPointer)NOFONTSET
},
#endif /* FEAT_BEVAL */
#ifdef FEAT_XIM
{
"preeditType",
"PreeditType",
XtRString,
sizeof(char*),
XtOffsetOf(gui_T, rsrc_preedit_type_name),
XtRString,
(XtPointer)"OverTheSpot,OffTheSpot,Root"
},
{
"inputMethod",
"InputMethod",
XtRString,
sizeof(char*),
XtOffsetOf(gui_T, rsrc_input_method),
XtRString,
NULL
},
#endif /* FEAT_XIM */
};
/*
* This table holds all the X GUI command line options allowed. This includes
* the standard ones so that we can skip them when vim is started without the
* GUI (but the GUI might start up later).
* When changing this, also update doc/vim_gui.txt and the usage message!!!
*/
static XrmOptionDescRec cmdline_options[] =
{
/* We handle these options ourselves */
{"-bg", ".background", XrmoptionSepArg, NULL},
{"-background", ".background", XrmoptionSepArg, NULL},
{"-fg", ".foreground", XrmoptionSepArg, NULL},
{"-foreground", ".foreground", XrmoptionSepArg, NULL},
{"-fn", ".font", XrmoptionSepArg, NULL},
{"-font", ".font", XrmoptionSepArg, NULL},
{"-boldfont", ".boldFont", XrmoptionSepArg, NULL},
{"-italicfont", ".italicFont", XrmoptionSepArg, NULL},
{"-geom", ".geometry", XrmoptionSepArg, NULL},
{"-geometry", ".geometry", XrmoptionSepArg, NULL},
{"-reverse", "*reverseVideo", XrmoptionNoArg, "True"},
{"-rv", "*reverseVideo", XrmoptionNoArg, "True"},
{"+reverse", "*reverseVideo", XrmoptionNoArg, "False"},
{"+rv", "*reverseVideo", XrmoptionNoArg, "False"},
{"-display", ".display", XrmoptionSepArg, NULL},
{"-iconic", ".iconic", XrmoptionNoArg, "True"},
{"-name", ".name", XrmoptionSepArg, NULL},
{"-bw", ".borderWidth", XrmoptionSepArg, NULL},
{"-borderwidth", ".borderWidth", XrmoptionSepArg, NULL},
{"-sw", ".scrollbarWidth", XrmoptionSepArg, NULL},
{"-scrollbarwidth", ".scrollbarWidth", XrmoptionSepArg, NULL},
{"-mh", ".menuHeight", XrmoptionSepArg, NULL},
{"-menuheight", ".menuHeight", XrmoptionSepArg, NULL},
#ifdef FONTSET_ALWAYS
{"-mf", ".menuFontSet", XrmoptionSepArg, NULL},
{"-menufont", ".menuFontSet", XrmoptionSepArg, NULL},
{"-menufontset", ".menuFontSet", XrmoptionSepArg, NULL},
#else
{"-mf", ".menuFont", XrmoptionSepArg, NULL},
{"-menufont", ".menuFont", XrmoptionSepArg, NULL},
#endif
{"-xrm", NULL, XrmoptionResArg, NULL}
};
static int gui_argc = 0;
static char **gui_argv = NULL;
/*
* Call-back routines.
*/
/* ARGSUSED */
static void
gui_x11_timer_cb(timed_out, interval_id)
XtPointer timed_out;
XtIntervalId *interval_id;
{
*((int *)timed_out) = TRUE;
}
/* ARGSUSED */
static void
gui_x11_visibility_cb(w, dud, event, dum)
Widget w;
XtPointer dud;
XEvent *event;
Boolean *dum;
{
if (event->type != VisibilityNotify)
return;
gui.visibility = event->xvisibility.state;
/*
* When we do an XCopyArea(), and the window is partially obscured, we want
* to receive an event to tell us whether it worked or not.
*/
XSetGraphicsExposures(gui.dpy, gui.text_gc,
gui.visibility != VisibilityUnobscured);
/* This is needed for when redrawing is slow. */
gui_mch_update();
}
/* ARGSUSED */
static void
gui_x11_expose_cb(w, dud, event, dum)
Widget w;
XtPointer dud;
XEvent *event;
Boolean *dum;
{
XExposeEvent *gevent;
int new_x;
if (event->type != Expose)
return;
out_flush(); /* make sure all output has been processed */
gevent = (XExposeEvent *)event;
gui_redraw(gevent->x, gevent->y, gevent->width, gevent->height);
new_x = FILL_X(0);
/* Clear the border areas if needed */
if (gevent->x < new_x)
XClearArea(gui.dpy, gui.wid, 0, 0, new_x, 0, False);
if (gevent->y < FILL_Y(0))
XClearArea(gui.dpy, gui.wid, 0, 0, 0, FILL_Y(0), False);
if (gevent->x > FILL_X(Columns))
XClearArea(gui.dpy, gui.wid, FILL_X((int)Columns), 0, 0, 0, False);
if (gevent->y > FILL_Y(Rows))
XClearArea(gui.dpy, gui.wid, 0, FILL_Y((int)Rows), 0, 0, False);
/* This is needed for when redrawing is slow. */
gui_mch_update();
}
#if (defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP)) \
|| defined(PROTO)
/*
* This function fills in the XRectangle object with the current x,y
* coordinates and height, width so that an XtVaSetValues to the same shell of
* those resources will restore the window to its former position and
* dimensions.
*
* Note: This function may fail, in which case the XRectangle will be
* unchanged. Be sure to have the XRectangle set with the proper values for a
* failed condition prior to calling this function.
*/
static void
shellRectangle(Widget shell, XRectangle *r)
{
Window rootw, shellw, child, parentw;
int absx, absy;
XWindowAttributes a;
Window *children;
unsigned int childrenCount;
shellw = XtWindow(shell);
if (shellw == 0)
return;
for (;;)
{
XQueryTree(XtDisplay(shell), shellw, &rootw, &parentw,
&children, &childrenCount);
XFree(children);
if (parentw == rootw)
break;
shellw = parentw;
}
XGetWindowAttributes(XtDisplay(shell), shellw, &a);
XTranslateCoordinates(XtDisplay(shell), shellw, a.root, 0, 0,
&absx, &absy, &child);
r->x = absx;
r->y = absy;
XtVaGetValues(shell, XmNheight, &r->height, XmNwidth, &r->width, NULL);
}
#endif
/* ARGSUSED */
static void
gui_x11_resize_window_cb(w, dud, event, dum)
Widget w;
XtPointer dud;
XEvent *event;
Boolean *dum;
{
static int lastWidth, lastHeight;
if (event->type != ConfigureNotify)
return;
if (event->xconfigure.width != lastWidth
|| event->xconfigure.height != lastHeight)
{
lastWidth = event->xconfigure.width;
lastHeight = event->xconfigure.height;
gui_resize_shell(event->xconfigure.width, event->xconfigure.height
#ifdef FEAT_XIM
- xim_get_status_area_height()
#endif
);
}
#ifdef FEAT_SUN_WORKSHOP
if (usingSunWorkShop)
{
XRectangle rec;
shellRectangle(w, &rec);
workshop_frame_moved(rec.x, rec.y, rec.width, rec.height);
}
#endif
#ifdef FEAT_NETBEANS_INTG
if (usingNetbeans)
{
XRectangle rec;
shellRectangle(w, &rec);
netbeans_frame_moved(rec.x, rec.y);
}
#endif
#ifdef FEAT_XIM
xim_set_preedit();
#endif
}
/* ARGSUSED */
static void
gui_x11_focus_change_cb(w, data, event, dum)
Widget w;
XtPointer data;
XEvent *event;
Boolean *dum;
{
gui_focus_change(event->type == FocusIn);
}
/* ARGSUSED */
static void
gui_x11_enter_cb(w, data, event, dum)
Widget w;
XtPointer data;
XEvent *event;
Boolean *dum;
{
gui_focus_change(TRUE);
}
/* ARGSUSED */
static void
gui_x11_leave_cb(w, data, event, dum)
Widget w;
XtPointer data;
XEvent *event;
Boolean *dum;
{
gui_focus_change(FALSE);
}
#if defined(X_HAVE_UTF8_STRING) && defined(FEAT_MBYTE)
# if X_HAVE_UTF8_STRING
# define USE_UTF8LOOKUP
# endif
#endif
/* ARGSUSED */
void
gui_x11_key_hit_cb(w, dud, event, dum)
Widget w;
XtPointer dud;
XEvent *event;
Boolean *dum;
{
XKeyPressedEvent *ev_press;
#ifdef FEAT_XIM
char_u string2[256];
char_u string_shortbuf[256];
char_u *string = string_shortbuf;
Boolean string_alloced = False;
Status status;
#else
char_u string[4], string2[3];
#endif
KeySym key_sym, key_sym2;
int len, len2;
int i;
int modifiers;
int key;
ev_press = (XKeyPressedEvent *)event;
#ifdef FEAT_XIM
if (xic)
{
# ifdef USE_UTF8LOOKUP
/* XFree86 4.0.2 or newer: Be able to get UTF-8 characters even when
* the locale isn't utf-8. */
if (enc_utf8)
len = Xutf8LookupString(xic, ev_press, (char *)string,
sizeof(string_shortbuf), &key_sym, &status);
else
# endif
len = XmbLookupString(xic, ev_press, (char *)string,
sizeof(string_shortbuf), &key_sym, &status);
if (status == XBufferOverflow)
{
string = (char_u *)XtMalloc(len + 1);
string_alloced = True;
# ifdef USE_UTF8LOOKUP
/* XFree86 4.0.2 or newer: Be able to get UTF-8 characters even
* when the locale isn't utf-8. */
if (enc_utf8)
len = Xutf8LookupString(xic, ev_press, (char *)string,
len, &key_sym, &status);
else
# endif
len = XmbLookupString(xic, ev_press, (char *)string,
len, &key_sym, &status);
}
if (status == XLookupNone || status == XLookupChars)
key_sym = XK_VoidSymbol;
# ifdef FEAT_MBYTE
/* Do conversion from 'termencoding' to 'encoding'. When using
* Xutf8LookupString() it has already been done. */
if (len > 0 && input_conv.vc_type != CONV_NONE
# ifdef USE_UTF8LOOKUP
&& !enc_utf8
# endif
)
{
int maxlen = len * 4 + 40; /* guessed */
char_u *p = (char_u *)XtMalloc(maxlen);
mch_memmove(p, string, len);
if (string_alloced)
XtFree((char *)string);
string = p;
string_alloced = True;
len = convert_input(p, len, maxlen);
}
# endif
/* Translate CSI to K_CSI, otherwise it could be recognized as the
* start of a special key. */
for (i = 0; i < len; ++i)
if (string[i] == CSI)
{
char_u *p = (char_u *)XtMalloc(len + 3);
mch_memmove(p, string, i + 1);
p[i + 1] = KS_EXTRA;
p[i + 2] = (int)KE_CSI;
mch_memmove(p + i + 3, string + i + 1, len - i);
if (string_alloced)
XtFree((char *)string);
string = p;
string_alloced = True;
i += 2;
len += 2;
}
}
else
#endif
len = XLookupString(ev_press, (char *)string, sizeof(string),
&key_sym, NULL);
#ifdef SunXK_F36
/*
* These keys have bogus lookup strings, and trapping them here is
* easier than trying to XRebindKeysym() on them with every possible
* combination of modifiers.
*/
if (key_sym == SunXK_F36 || key_sym == SunXK_F37)
len = 0;
#endif
#ifdef FEAT_HANGULIN
if ((key_sym == XK_space) && (ev_press->state & ShiftMask))
{
hangul_input_state_toggle();
goto theend;
}
#endif
if (key_sym == XK_space)
string[0] = ' '; /* Otherwise Ctrl-Space doesn't work */
/*
* Only on some machines ^_ requires Ctrl+Shift+minus. For consistency,
* allow just Ctrl+minus too.
*/
if (key_sym == XK_minus && (ev_press->state & ControlMask))
string[0] = Ctrl__;
#ifdef XK_ISO_Left_Tab
/* why do we get XK_ISO_Left_Tab instead of XK_Tab for shift-tab? */
if (key_sym == XK_ISO_Left_Tab)
{
key_sym = XK_Tab;
string[0] = TAB;
len = 1;
}
#endif
/* Check for Alt/Meta key (Mod1Mask), but not for a BS, DEL or character
* that already has the 8th bit set. And not when using a double-byte
* encoding, setting the 8th bit may make it the lead byte of a
* double-byte character. */
if (len == 1
&& (ev_press->state & Mod1Mask)
&& !(key_sym == XK_BackSpace || key_sym == XK_Delete)
&& (string[0] & 0x80) == 0
#ifdef FEAT_MBYTE
&& !enc_dbcs
#endif
)
{
#if defined(FEAT_MENU) && defined(FEAT_GUI_MOTIF)
/* Ignore ALT keys when they are used for the menu only */
if (gui.menu_is_active
&& (p_wak[0] == 'y'
|| (p_wak[0] == 'm' && gui_is_menu_shortcut(string[0]))))
goto theend;
#endif
/*
* Before we set the 8th bit, check to make sure the user doesn't
* already have a mapping defined for this sequence. We determine this
* by checking to see if the input would be the same without the
* Alt/Meta key.
* Don't do this for <S-M-Tab>, that should become K_S_TAB with ALT.
*/
ev_press->state &= ~Mod1Mask;
len2 = XLookupString(ev_press, (char *)string2, sizeof(string2),
&key_sym2, NULL);
if (key_sym2 == XK_space)
string2[0] = ' '; /* Otherwise Meta-Ctrl-Space doesn't work */
if ( len2 == 1
&& string[0] == string2[0]
&& !(key_sym == XK_Tab && (ev_press->state & ShiftMask)))
{
string[0] |= 0x80;
#ifdef FEAT_MBYTE
if (enc_utf8) /* convert to utf-8 */
{
string[1] = string[0] & 0xbf;
string[0] = ((unsigned)string[0] >> 6) + 0xc0;
if (string[1] == CSI)
{
string[2] = KS_EXTRA;
string[3] = (int)KE_CSI;
len = 4;
}
else
len = 2;
}
#endif
}
else
ev_press->state |= Mod1Mask;
}
if (len == 1 && string[0] == CSI)
{
string[1] = KS_EXTRA;
string[2] = (int)KE_CSI;
len = -3;
}
/* Check for special keys. Also do this when len == 1 (key has an ASCII
* value) to detect backspace, delete and keypad keys. */
if (len == 0 || len == 1)
{
for (i = 0; special_keys[i].key_sym != (KeySym)0; i++)
{
if (special_keys[i].key_sym == key_sym)
{
string[0] = CSI;
string[1] = special_keys[i].vim_code0;
string[2] = special_keys[i].vim_code1;
len = -3;
break;
}
}
}
/* Unrecognised key is ignored. */
if (len == 0)
goto theend;
/* Special keys (and a few others) may have modifiers. Also when using a
* double-byte encoding (can't set the 8th bit). */
if (len == -3 || key_sym == XK_space || key_sym == XK_Tab
|| key_sym == XK_Return || key_sym == XK_Linefeed
|| key_sym == XK_Escape
#ifdef FEAT_MBYTE
|| (enc_dbcs && len == 1 && (ev_press->state & Mod1Mask))