forked from b4winckler/macvim
/
gui_gtk_x11.c
7222 lines (6299 loc) · 186 KB
/
gui_gtk_x11.c
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/* vi:set ts=8 sts=4 sw=4:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* 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.
*/
/*
* Porting to GTK+ was done by:
*
* (C) 1998,1999,2000 by Marcin Dalecki <martin@dalecki.de>
*
* With GREAT support and continuous encouragements by Andy Kahn and of
* course Bram Moolenaar!
*
* Support for GTK+ 2 was added by:
*
* (C) 2002,2003 Jason Hildebrand <jason@peaceworks.ca>
* Daniel Elstner <daniel.elstner@gmx.net>
*/
#include "vim.h"
#ifdef FEAT_GUI_GNOME
/* Gnome redefines _() and N_(). Grrr... */
# ifdef _
# undef _
# endif
# ifdef N_
# undef N_
# endif
# ifdef textdomain
# undef textdomain
# endif
# ifdef bindtextdomain
# undef bindtextdomain
# endif
# ifdef bind_textdomain_codeset
# undef bind_textdomain_codeset
# endif
# if defined(FEAT_GETTEXT) && !defined(ENABLE_NLS)
# define ENABLE_NLS /* so the texts in the dialog boxes are translated */
# endif
# include <gnome.h>
# include "version.h"
# ifdef HAVE_GTK2
/* missing prototype in bonobo-dock-item.h */
extern void bonobo_dock_item_set_behavior(BonoboDockItem *dock_item, BonoboDockItemBehavior beh);
# endif
#endif
#if !defined(FEAT_GUI_GTK) && defined(PROTO)
/* When generating prototypes we don't want syntax errors. */
# define GdkAtom int
# define GdkEventExpose int
# define GdkEventFocus int
# define GdkEventVisibility int
# define GdkEventProperty int
# define GtkContainer int
# define GtkTargetEntry int
# define GtkType int
# define GtkWidget int
# define gint int
# define gpointer int
# define guint int
# define GdkEventKey int
# define GdkEventSelection int
# define GtkSelectionData int
# define GdkEventMotion int
# define GdkEventButton int
# define GdkDragContext int
# define GdkEventConfigure int
# define GdkEventClient int
#else
# include <gdk/gdkkeysyms.h>
# include <gdk/gdk.h>
# ifdef WIN3264
# include <gdk/gdkwin32.h>
# else
# include <gdk/gdkx.h>
# endif
# include <gtk/gtk.h>
# include "gui_gtk_f.h"
#endif
#ifdef HAVE_X11_SUNKEYSYM_H
# include <X11/Sunkeysym.h>
#endif
/*
* Easy-to-use macro for multihead support.
*/
#ifdef HAVE_GTK_MULTIHEAD
# define GET_X_ATOM(atom) gdk_x11_atom_to_xatom_for_display( \
gtk_widget_get_display(gui.mainwin), atom)
#else
# define GET_X_ATOM(atom) ((Atom)(atom))
#endif
/* Selection type distinguishers */
enum
{
TARGET_TYPE_NONE,
TARGET_UTF8_STRING,
TARGET_STRING,
TARGET_COMPOUND_TEXT,
TARGET_TEXT,
TARGET_TEXT_URI_LIST,
TARGET_TEXT_PLAIN,
TARGET_VIM,
TARGET_VIMENC
};
/*
* Table of selection targets supported by Vim.
* Note: Order matters, preferred types should come first.
*/
static const GtkTargetEntry selection_targets[] =
{
{VIMENC_ATOM_NAME, 0, TARGET_VIMENC},
{VIM_ATOM_NAME, 0, TARGET_VIM},
#ifdef FEAT_MBYTE
{"UTF8_STRING", 0, TARGET_UTF8_STRING},
#endif
{"COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT},
{"TEXT", 0, TARGET_TEXT},
{"STRING", 0, TARGET_STRING}
};
#define N_SELECTION_TARGETS (sizeof(selection_targets) / sizeof(selection_targets[0]))
#ifdef FEAT_DND
/*
* Table of DnD targets supported by Vim.
* Note: Order matters, preferred types should come first.
*/
static const GtkTargetEntry dnd_targets[] =
{
{"text/uri-list", 0, TARGET_TEXT_URI_LIST},
# ifdef FEAT_MBYTE
{"UTF8_STRING", 0, TARGET_UTF8_STRING},
# endif
{"STRING", 0, TARGET_STRING},
{"text/plain", 0, TARGET_TEXT_PLAIN}
};
# define N_DND_TARGETS (sizeof(dnd_targets) / sizeof(dnd_targets[0]))
#endif
#ifdef HAVE_GTK2
/*
* "Monospace" is a standard font alias that should be present
* on all proper Pango/fontconfig installations.
*/
# define DEFAULT_FONT "Monospace 10"
#else /* !HAVE_GTK2 */
/*
* This is the single only fixed width font in X11, which seems to be present
* on all servers and available in all the variants we need.
*/
# define DEFAULT_FONT "-adobe-courier-medium-r-normal-*-14-*-*-*-m-*-*-*"
#endif /* !HAVE_GTK2 */
#if !(defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION))
/*
* Atoms used to communicate save-yourself from the X11 session manager. There
* is no need to move them into the GUI struct, since they should be constant.
*/
static GdkAtom wm_protocols_atom = GDK_NONE;
static GdkAtom save_yourself_atom = GDK_NONE;
#endif
/*
* Atoms used to control/reference X11 selections.
*/
#ifdef FEAT_MBYTE
static GdkAtom utf8_string_atom = GDK_NONE;
#endif
#ifndef HAVE_GTK2
static GdkAtom compound_text_atom = GDK_NONE;
static GdkAtom text_atom = GDK_NONE;
#endif
static GdkAtom vim_atom = GDK_NONE; /* Vim's own special selection format */
#ifdef FEAT_MBYTE
static GdkAtom vimenc_atom = GDK_NONE; /* Vim's extended selection format */
#endif
/*
* Keycodes recognized by vim.
* NOTE: when changing this, the table in gui_x11.c probably needs the same
* change!
*/
static struct special_key
{
guint key_sym;
char_u code0;
char_u code1;
}
const special_keys[] =
{
{GDK_Up, 'k', 'u'},
{GDK_Down, 'k', 'd'},
{GDK_Left, 'k', 'l'},
{GDK_Right, 'k', 'r'},
{GDK_F1, 'k', '1'},
{GDK_F2, 'k', '2'},
{GDK_F3, 'k', '3'},
{GDK_F4, 'k', '4'},
{GDK_F5, 'k', '5'},
{GDK_F6, 'k', '6'},
{GDK_F7, 'k', '7'},
{GDK_F8, 'k', '8'},
{GDK_F9, 'k', '9'},
{GDK_F10, 'k', ';'},
{GDK_F11, 'F', '1'},
{GDK_F12, 'F', '2'},
{GDK_F13, 'F', '3'},
{GDK_F14, 'F', '4'},
{GDK_F15, 'F', '5'},
{GDK_F16, 'F', '6'},
{GDK_F17, 'F', '7'},
{GDK_F18, 'F', '8'},
{GDK_F19, 'F', '9'},
{GDK_F20, 'F', 'A'},
{GDK_F21, 'F', 'B'},
{GDK_Pause, 'F', 'B'}, /* Pause == F21 according to netbeans.txt */
{GDK_F22, 'F', 'C'},
{GDK_F23, 'F', 'D'},
{GDK_F24, 'F', 'E'},
{GDK_F25, 'F', 'F'},
{GDK_F26, 'F', 'G'},
{GDK_F27, 'F', 'H'},
{GDK_F28, 'F', 'I'},
{GDK_F29, 'F', 'J'},
{GDK_F30, 'F', 'K'},
{GDK_F31, 'F', 'L'},
{GDK_F32, 'F', 'M'},
{GDK_F33, 'F', 'N'},
{GDK_F34, 'F', 'O'},
{GDK_F35, 'F', 'P'},
#ifdef SunXK_F36
{SunXK_F36, 'F', 'Q'},
{SunXK_F37, 'F', 'R'},
#endif
{GDK_Help, '%', '1'},
{GDK_Undo, '&', '8'},
{GDK_BackSpace, 'k', 'b'},
{GDK_Insert, 'k', 'I'},
{GDK_Delete, 'k', 'D'},
{GDK_3270_BackTab, 'k', 'B'},
{GDK_Clear, 'k', 'C'},
{GDK_Home, 'k', 'h'},
{GDK_End, '@', '7'},
{GDK_Prior, 'k', 'P'},
{GDK_Next, 'k', 'N'},
{GDK_Print, '%', '9'},
/* Keypad keys: */
{GDK_KP_Left, 'k', 'l'},
{GDK_KP_Right, 'k', 'r'},
{GDK_KP_Up, 'k', 'u'},
{GDK_KP_Down, 'k', 'd'},
{GDK_KP_Insert, KS_EXTRA, (char_u)KE_KINS},
{GDK_KP_Delete, KS_EXTRA, (char_u)KE_KDEL},
{GDK_KP_Home, 'K', '1'},
{GDK_KP_End, 'K', '4'},
{GDK_KP_Prior, 'K', '3'}, /* page up */
{GDK_KP_Next, 'K', '5'}, /* page down */
{GDK_KP_Add, 'K', '6'},
{GDK_KP_Subtract, 'K', '7'},
{GDK_KP_Divide, 'K', '8'},
{GDK_KP_Multiply, 'K', '9'},
{GDK_KP_Enter, 'K', 'A'},
{GDK_KP_Decimal, 'K', 'B'},
{GDK_KP_0, 'K', 'C'},
{GDK_KP_1, 'K', 'D'},
{GDK_KP_2, 'K', 'E'},
{GDK_KP_3, 'K', 'F'},
{GDK_KP_4, 'K', 'G'},
{GDK_KP_5, 'K', 'H'},
{GDK_KP_6, 'K', 'I'},
{GDK_KP_7, 'K', 'J'},
{GDK_KP_8, 'K', 'K'},
{GDK_KP_9, 'K', 'L'},
/* End of list marker: */
{0, 0, 0}
};
/*
* Flags for command line options table below.
*/
#define ARG_FONT 1
#define ARG_GEOMETRY 2
#define ARG_REVERSE 3
#define ARG_NOREVERSE 4
#define ARG_BACKGROUND 5
#define ARG_FOREGROUND 6
#define ARG_ICONIC 7
#define ARG_ROLE 8
#define ARG_NETBEANS 9
#define ARG_XRM 10 /* ignored */
#define ARG_MENUFONT 11 /* ignored */
#define ARG_INDEX_MASK 0x00ff
#define ARG_HAS_VALUE 0x0100 /* a value is expected after the argument */
#define ARG_NEEDS_GUI 0x0200 /* need to initialize the GUI for this */
#define ARG_FOR_GTK 0x0400 /* argument is handled by GTK+ or GNOME */
#define ARG_COMPAT_LONG 0x0800 /* accept -foo but substitute with --foo */
#define ARG_KEEP 0x1000 /* don't remove argument from argv[] */
/*
* 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/gui_x11.txt and the usage message!!!
*/
typedef struct
{
const char *name;
unsigned int flags;
}
cmdline_option_T;
static const cmdline_option_T cmdline_options[] =
{
/* We handle these options ourselves */
{"-fn", ARG_FONT|ARG_HAS_VALUE},
{"-font", ARG_FONT|ARG_HAS_VALUE},
{"-geom", ARG_GEOMETRY|ARG_HAS_VALUE},
{"-geometry", ARG_GEOMETRY|ARG_HAS_VALUE},
{"-rv", ARG_REVERSE},
{"-reverse", ARG_REVERSE},
{"+rv", ARG_NOREVERSE},
{"+reverse", ARG_NOREVERSE},
{"-bg", ARG_BACKGROUND|ARG_HAS_VALUE},
{"-background", ARG_BACKGROUND|ARG_HAS_VALUE},
{"-fg", ARG_FOREGROUND|ARG_HAS_VALUE},
{"-foreground", ARG_FOREGROUND|ARG_HAS_VALUE},
{"-iconic", ARG_ICONIC},
#ifdef HAVE_GTK2
{"--role", ARG_ROLE|ARG_HAS_VALUE},
#endif
#ifdef FEAT_NETBEANS_INTG
{"-nb", ARG_NETBEANS}, /* non-standard value format */
{"-xrm", ARG_XRM|ARG_HAS_VALUE}, /* not implemented */
{"-mf", ARG_MENUFONT|ARG_HAS_VALUE}, /* not implemented */
{"-menufont", ARG_MENUFONT|ARG_HAS_VALUE}, /* not implemented */
#endif
#if 0 /* not implemented; these arguments don't make sense for GTK+ */
{"-boldfont", ARG_HAS_VALUE},
{"-italicfont", ARG_HAS_VALUE},
{"-bw", ARG_HAS_VALUE},
{"-borderwidth", ARG_HAS_VALUE},
{"-sw", ARG_HAS_VALUE},
{"-scrollbarwidth", ARG_HAS_VALUE},
#endif
/* Arguments handled by GTK (and GNOME) internally. */
{"--g-fatal-warnings", ARG_FOR_GTK},
{"--gdk-debug", ARG_FOR_GTK|ARG_HAS_VALUE},
{"--gdk-no-debug", ARG_FOR_GTK|ARG_HAS_VALUE},
{"--gtk-debug", ARG_FOR_GTK|ARG_HAS_VALUE},
{"--gtk-no-debug", ARG_FOR_GTK|ARG_HAS_VALUE},
{"--gtk-module", ARG_FOR_GTK|ARG_HAS_VALUE},
{"--sync", ARG_FOR_GTK},
{"--display", ARG_FOR_GTK|ARG_HAS_VALUE|ARG_COMPAT_LONG},
{"--name", ARG_FOR_GTK|ARG_HAS_VALUE|ARG_COMPAT_LONG},
{"--class", ARG_FOR_GTK|ARG_HAS_VALUE|ARG_COMPAT_LONG},
#ifdef HAVE_GTK2
{"--screen", ARG_FOR_GTK|ARG_HAS_VALUE},
{"--gxid-host", ARG_FOR_GTK|ARG_HAS_VALUE},
{"--gxid-port", ARG_FOR_GTK|ARG_HAS_VALUE},
#else /* these don't seem to exist anymore */
{"--no-xshm", ARG_FOR_GTK},
{"--xim-preedit", ARG_FOR_GTK|ARG_HAS_VALUE},
{"--xim-status", ARG_FOR_GTK|ARG_HAS_VALUE},
{"--gxid_host", ARG_FOR_GTK|ARG_HAS_VALUE},
{"--gxid_port", ARG_FOR_GTK|ARG_HAS_VALUE},
#endif
#ifdef FEAT_GUI_GNOME
{"--load-modules", ARG_FOR_GTK|ARG_HAS_VALUE},
{"--sm-client-id", ARG_FOR_GTK|ARG_HAS_VALUE},
{"--sm-config-prefix", ARG_FOR_GTK|ARG_HAS_VALUE},
{"--sm-disable", ARG_FOR_GTK},
{"--oaf-ior-fd", ARG_FOR_GTK|ARG_HAS_VALUE},
{"--oaf-activate-iid", ARG_FOR_GTK|ARG_HAS_VALUE},
{"--oaf-private", ARG_FOR_GTK},
{"--enable-sound", ARG_FOR_GTK},
{"--disable-sound", ARG_FOR_GTK},
{"--espeaker", ARG_FOR_GTK|ARG_HAS_VALUE},
{"-?", ARG_FOR_GTK|ARG_NEEDS_GUI},
{"--help", ARG_FOR_GTK|ARG_NEEDS_GUI|ARG_KEEP},
{"--usage", ARG_FOR_GTK|ARG_NEEDS_GUI},
# if 0 /* conflicts with Vim's own --version argument */
{"--version", ARG_FOR_GTK|ARG_NEEDS_GUI},
# endif
{"--disable-crash-dialog", ARG_FOR_GTK},
#endif
{NULL, 0}
};
static int gui_argc = 0;
static char **gui_argv = NULL;
#ifdef HAVE_GTK2
static const char *role_argument = NULL;
#endif
#if defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION)
static const char *restart_command = NULL;
#endif
static int found_iconic_arg = FALSE;
#ifdef FEAT_GUI_GNOME
/*
* Can't use Gnome if --socketid given
*/
static int using_gnome = 0;
#else
# define using_gnome 0
#endif
/*
* Parse the GUI related command-line arguments. Any arguments used are
* deleted from argv, and *argc is decremented accordingly. This is called
* when vim is started, whether or not the GUI has been started.
*/
void
gui_mch_prepare(int *argc, char **argv)
{
const cmdline_option_T *option;
int i = 0;
int len = 0;
#if defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION)
/*
* Determine the command used to invoke Vim, to be passed as restart
* command to the session manager. If argv[0] contains any directory
* components try building an absolute path, otherwise leave it as is.
*/
restart_command = argv[0];
if (strchr(argv[0], G_DIR_SEPARATOR) != NULL)
{
char_u buf[MAXPATHL];
if (mch_FullName((char_u *)argv[0], buf, (int)sizeof(buf), TRUE) == OK)
/* Tiny leak; doesn't matter, and usually we don't even get here */
restart_command = (char *)vim_strsave(buf);
}
#endif
/*
* Move all the entries in argv which are relevant to GTK+ and GNOME
* into gui_argv. Freed later in gui_mch_init().
*/
gui_argc = 0;
gui_argv = (char **)alloc((unsigned)((*argc + 1) * sizeof(char *)));
g_return_if_fail(gui_argv != NULL);
gui_argv[gui_argc++] = argv[i++];
while (i < *argc)
{
/* Don't waste CPU cycles on non-option arguments. */
if (argv[i][0] != '-' && argv[i][0] != '+')
{
++i;
continue;
}
/* Look for argv[i] in cmdline_options[] table. */
for (option = &cmdline_options[0]; option->name != NULL; ++option)
{
len = strlen(option->name);
if (strncmp(argv[i], option->name, len) == 0)
{
if (argv[i][len] == '\0')
break;
/* allow --foo=bar style */
if (argv[i][len] == '=' && (option->flags & ARG_HAS_VALUE))
break;
#ifdef FEAT_NETBEANS_INTG
/* darn, -nb has non-standard syntax */
if (vim_strchr((char_u *)":=", argv[i][len]) != NULL
&& (option->flags & ARG_INDEX_MASK) == ARG_NETBEANS)
break;
#endif
}
else if ((option->flags & ARG_COMPAT_LONG)
&& strcmp(argv[i], option->name + 1) == 0)
{
/* Replace the standard X arguments "-name" and "-display"
* with their GNU-style long option counterparts. */
argv[i] = (char *)option->name;
break;
}
}
if (option->name == NULL) /* no match */
{
++i;
continue;
}
if (option->flags & ARG_FOR_GTK)
{
/* Move the argument into gui_argv, which
* will later be passed to gtk_init_check() */
gui_argv[gui_argc++] = argv[i];
}
else
{
char *value = NULL;
/* Extract the option's value if there is one.
* Accept both "--foo bar" and "--foo=bar" style. */
if (option->flags & ARG_HAS_VALUE)
{
if (argv[i][len] == '=')
value = &argv[i][len + 1];
else if (i + 1 < *argc && strcmp(argv[i + 1], "--") != 0)
value = argv[i + 1];
}
/* Check for options handled by Vim itself */
switch (option->flags & ARG_INDEX_MASK)
{
case ARG_REVERSE:
found_reverse_arg = TRUE;
break;
case ARG_NOREVERSE:
found_reverse_arg = FALSE;
break;
case ARG_FONT:
font_argument = value;
break;
case ARG_GEOMETRY:
if (value != NULL)
gui.geom = vim_strsave((char_u *)value);
break;
case ARG_BACKGROUND:
background_argument = value;
break;
case ARG_FOREGROUND:
foreground_argument = value;
break;
case ARG_ICONIC:
found_iconic_arg = TRUE;
break;
#ifdef HAVE_GTK2
case ARG_ROLE:
role_argument = value; /* used later in gui_mch_open() */
break;
#endif
#ifdef FEAT_NETBEANS_INTG
case ARG_NETBEANS:
++usingNetbeans;
gui.dofork = FALSE; /* don't fork() when starting GUI */
netbeansArg = argv[i];
break;
#endif
default:
break;
}
}
/* These arguments make gnome_program_init() print a message and exit.
* Must start the GUI for this, otherwise ":gui" will exit later! */
if (option->flags & ARG_NEEDS_GUI)
gui.starting = TRUE;
if (option->flags & ARG_KEEP)
++i;
else
{
/* Remove the flag from the argument vector. */
if (--*argc > i)
{
int n_strip = 1;
/* Move the argument's value as well, if there is one. */
if ((option->flags & ARG_HAS_VALUE)
&& argv[i][len] != '='
&& strcmp(argv[i + 1], "--") != 0)
{
++n_strip;
--*argc;
if (option->flags & ARG_FOR_GTK)
gui_argv[gui_argc++] = argv[i + 1];
}
if (*argc > i)
mch_memmove(&argv[i], &argv[i + n_strip],
(*argc - i) * sizeof(char *));
}
argv[*argc] = NULL;
}
}
gui_argv[gui_argc] = NULL;
}
#if defined(EXITFREE) || defined(PROTO)
void
gui_mch_free_all()
{
vim_free(gui_argv);
}
#endif
/*
* This should be maybe completely removed.
* Doesn't seem possible, since check_copy_area() relies on
* this information. --danielk
*/
/*ARGSUSED*/
static gint
visibility_event(GtkWidget *widget, GdkEventVisibility *event, gpointer data)
{
gui.visibility = event->state;
/*
* When we do an gdk_window_copy_area(), and the window is partially
* obscured, we want to receive an event to tell us whether it worked
* or not.
*/
if (gui.text_gc != NULL)
gdk_gc_set_exposures(gui.text_gc,
gui.visibility != GDK_VISIBILITY_UNOBSCURED);
return FALSE;
}
/*
* Redraw the corresponding portions of the screen.
*/
/*ARGSUSED*/
static gint
expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
{
/* Skip this when the GUI isn't set up yet, will redraw later. */
if (gui.starting)
return FALSE;
out_flush(); /* make sure all output has been processed */
gui_redraw(event->area.x, event->area.y,
event->area.width, event->area.height);
/* Clear the border areas if needed */
if (event->area.x < FILL_X(0))
gdk_window_clear_area(gui.drawarea->window, 0, 0, FILL_X(0), 0);
if (event->area.y < FILL_Y(0))
gdk_window_clear_area(gui.drawarea->window, 0, 0, 0, FILL_Y(0));
if (event->area.x > FILL_X(Columns))
gdk_window_clear_area(gui.drawarea->window,
FILL_X((int)Columns), 0, 0, 0);
if (event->area.y > FILL_Y(Rows))
gdk_window_clear_area(gui.drawarea->window, 0, FILL_Y((int)Rows), 0, 0);
return FALSE;
}
#ifdef FEAT_CLIENTSERVER
/*
* Handle changes to the "Comm" property
*/
/*ARGSUSED2*/
static gint
property_event(GtkWidget *widget, GdkEventProperty *event, gpointer data)
{
if (event->type == GDK_PROPERTY_NOTIFY
&& event->state == (int)GDK_PROPERTY_NEW_VALUE
&& GDK_WINDOW_XWINDOW(event->window) == commWindow
&& GET_X_ATOM(event->atom) == commProperty)
{
XEvent xev;
/* Translate to XLib */
xev.xproperty.type = PropertyNotify;
xev.xproperty.atom = commProperty;
xev.xproperty.window = commWindow;
xev.xproperty.state = PropertyNewValue;
serverEventProc(GDK_WINDOW_XDISPLAY(widget->window), &xev);
if (gtk_main_level() > 0)
gtk_main_quit();
}
return FALSE;
}
#endif
/****************************************************************************
* Focus handlers:
*/
/*
* This is a simple state machine:
* BLINK_NONE not blinking at all
* BLINK_OFF blinking, cursor is not shown
* BLINK_ON blinking, cursor is shown
*/
#define BLINK_NONE 0
#define BLINK_OFF 1
#define BLINK_ON 2
static int blink_state = BLINK_NONE;
static long_u blink_waittime = 700;
static long_u blink_ontime = 400;
static long_u blink_offtime = 250;
static guint blink_timer = 0;
void
gui_mch_set_blinking(long waittime, long on, long off)
{
blink_waittime = waittime;
blink_ontime = on;
blink_offtime = off;
}
/*
* Stop the cursor blinking. Show the cursor if it wasn't shown.
*/
void
gui_mch_stop_blink(void)
{
if (blink_timer)
{
gtk_timeout_remove(blink_timer);
blink_timer = 0;
}
if (blink_state == BLINK_OFF)
gui_update_cursor(TRUE, FALSE);
blink_state = BLINK_NONE;
}
/*ARGSUSED*/
static gint
blink_cb(gpointer data)
{
if (blink_state == BLINK_ON)
{
gui_undraw_cursor();
blink_state = BLINK_OFF;
blink_timer = gtk_timeout_add((guint32)blink_offtime,
(GtkFunction) blink_cb, NULL);
}
else
{
gui_update_cursor(TRUE, FALSE);
blink_state = BLINK_ON;
blink_timer = gtk_timeout_add((guint32)blink_ontime,
(GtkFunction) blink_cb, NULL);
}
return FALSE; /* don't happen again */
}
/*
* Start the cursor blinking. If it was already blinking, this restarts the
* waiting time and shows the cursor.
*/
void
gui_mch_start_blink(void)
{
if (blink_timer)
gtk_timeout_remove(blink_timer);
/* Only switch blinking on if none of the times is zero */
if (blink_waittime && blink_ontime && blink_offtime && gui.in_focus)
{
blink_timer = gtk_timeout_add((guint32)blink_waittime,
(GtkFunction) blink_cb, NULL);
blink_state = BLINK_ON;
gui_update_cursor(TRUE, FALSE);
}
}
/*ARGSUSED*/
static gint
enter_notify_event(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
{
if (blink_state == BLINK_NONE)
gui_mch_start_blink();
/* make sure keyboard input goes there */
if (gtk_socket_id == 0 || !GTK_WIDGET_HAS_FOCUS(gui.drawarea))
gtk_widget_grab_focus(gui.drawarea);
return FALSE;
}
/*ARGSUSED*/
static gint
leave_notify_event(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
{
if (blink_state != BLINK_NONE)
gui_mch_stop_blink();
return FALSE;
}
/*ARGSUSED*/
static gint
focus_in_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
{
gui_focus_change(TRUE);
if (blink_state == BLINK_NONE)
gui_mch_start_blink();
/* make sure keyboard input goes to the draw area (if this is focus for a
* window) */
if (widget != gui.drawarea)
gtk_widget_grab_focus(gui.drawarea);
/* make sure the input buffer is read */
if (gtk_main_level() > 0)
gtk_main_quit();
return TRUE;
}
/*ARGSUSED*/
static gint
focus_out_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
{
gui_focus_change(FALSE);
if (blink_state != BLINK_NONE)
gui_mch_stop_blink();
/* make sure the input buffer is read */
if (gtk_main_level() > 0)
gtk_main_quit();
return TRUE;
}
#ifdef HAVE_GTK2
/*
* Translate a GDK key value to UTF-8 independently of the current locale.
* The output is written to string, which must have room for at least 6 bytes
* plus the NUL terminator. Returns the length in bytes.
*
* This function is used in the GTK+ 2 GUI only. The GTK+ 1 code makes use
* of GdkEventKey::string instead. But event->string is evil; see here why:
* http://developer.gnome.org/doc/API/2.0/gdk/gdk-Event-Structures.html#GdkEventKey
*/
static int
keyval_to_string(unsigned int keyval, unsigned int state, char_u *string)
{
int len;
guint32 uc;
uc = gdk_keyval_to_unicode(keyval);
if (uc != 0)
{
/* Check for CTRL-foo */
if ((state & GDK_CONTROL_MASK) && uc >= 0x20 && uc < 0x80)
{
/* These mappings look arbitrary at the first glance, but in fact
* resemble quite exactly the behaviour of the GTK+ 1.2 GUI on my
* machine. The only difference is BS vs. DEL for CTRL-8 (makes
* more sense and is consistent with usual terminal behaviour). */
if (uc >= '@')
string[0] = uc & 0x1F;
else if (uc == '2')
string[0] = NUL;
else if (uc >= '3' && uc <= '7')
string[0] = uc ^ 0x28;
else if (uc == '8')
string[0] = BS;
else if (uc == '?')
string[0] = DEL;
else
string[0] = uc;
len = 1;
}
else
{
/* Translate a normal key to UTF-8. This doesn't work for dead
* keys of course, you _have_ to use an input method for that. */
len = utf_char2bytes((int)uc, string);
}
}
else
{
/* Translate keys which are represented by ASCII control codes in Vim.
* There are only a few of those; most control keys are translated to
* special terminal-like control sequences. */
len = 1;
switch (keyval)
{
case GDK_Tab: case GDK_KP_Tab: case GDK_ISO_Left_Tab:
string[0] = TAB;
break;
case GDK_Linefeed:
string[0] = NL;
break;
case GDK_Return: case GDK_ISO_Enter: case GDK_3270_Enter:
string[0] = CAR;
break;
case GDK_Escape:
string[0] = ESC;
break;
default:
len = 0;
break;
}
}
string[len] = NUL;
return len;
}
#endif /* HAVE_GTK2 */
static int
modifiers_gdk2vim(guint state)
{
int modifiers = 0;
if (state & GDK_SHIFT_MASK)
modifiers |= MOD_MASK_SHIFT;
if (state & GDK_CONTROL_MASK)
modifiers |= MOD_MASK_CTRL;
if (state & GDK_MOD1_MASK)
modifiers |= MOD_MASK_ALT;
if (state & GDK_MOD4_MASK)
modifiers |= MOD_MASK_META;
return modifiers;
}
static int
modifiers_gdk2mouse(guint state)
{
int modifiers = 0;
if (state & GDK_SHIFT_MASK)
modifiers |= MOUSE_SHIFT;
if (state & GDK_CONTROL_MASK)
modifiers |= MOUSE_CTRL;
if (state & GDK_MOD1_MASK)
modifiers |= MOUSE_ALT;
return modifiers;
}
/*
* Main keyboard handler:
*/
/*ARGSUSED*/
static gint
key_press_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
{
#ifdef HAVE_GTK2
/* 256 bytes is way over the top, but for safety let's reduce it only
* for GTK+ 2 where we know for sure how large the string might get.
* (That is, up to 6 bytes + NUL + CSI escapes + safety measure.) */
char_u string[32], string2[32];
#else
char_u string[256], string2[256];
#endif
guint key_sym;
int len;
int i;
int modifiers;
int key;
guint state;
char_u *s, *d;
key_sym = event->keyval;
state = event->state;
#ifndef HAVE_GTK2 /* deprecated */
len = event->length;
g_assert(len <= sizeof(string));
#endif
#ifndef HAVE_GTK2
/*
* It appears as if we always want to consume a key-press (there currently
* aren't any 'return FALSE's), so we always do this: when running in a
* GtkPlug and not a window, we must prevent emission of the key_press
* EVENT from continuing (which is 'beyond' the level of stopping mere
* signals by returning FALSE), otherwise things like tab/cursor-keys are
* processed by the GtkPlug default handler, which moves input focus away
* from us!
* Note: This should no longer be necessary with GTK+ 2.
*/
if (gtk_socket_id != 0)
gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event");
#endif
#ifdef FEAT_XIM