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gtk/gdk/linux-fb/gdkinput-ps2.c
Alexander Larsson 57356cfe07 If there is a grab, but no grab-cursor, use the cursor from the grabbed 
2000-11-29  Alexander Larsson  <alexl@redhat.com>

	* gdk/linux-fb/gdkinput-ps2.c (move_pointer): If there is
	a grab, but no grab-cursor, use the cursor from the grabbed
	window. (gdk_fb_window_send_crossing_events): Send normal
	enter/leave notifications if grab and owner_events == TRUE.
2000-11-29 12:52:41 +00:00

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <gdk/gdk.h>
#include <gdk/gdkinternals.h>
#include "gdkinputprivate.h"
#include "gdkkeysyms.h"
#include "gdkprivate-fb.h"
#include <unistd.h>
#include <errno.h>
#include <sys/types.h>
#include <fcntl.h>
#include <time.h>
#include <termios.h>
#include <sys/ioctl.h>
#include <sys/vt.h>
#include <sys/time.h>
#include <sys/kd.h>
#include <sys/types.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <linux/fb.h>
/* Two minutes */
#define BLANKING_TIMEOUT 120*1000
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
typedef struct {
gint fd, fd_tag;
gdouble x, y;
GdkWindow *prev_window;
gboolean button1_pressed, button2_pressed, button3_pressed;
gboolean click_grab;
guchar mouse_packet[5];
int packet_nbytes;
} MouseDevice;
typedef struct {
gint fd, fd_tag, consfd;
int vtnum, prev_vtnum;
guint modifier_state;
gboolean caps_lock : 1;
} Keyboard;
static guint blanking_timer = 0;
static Keyboard * tty_keyboard_open(void);
static MouseDevice *gdk_fb_mouse = NULL;
static Keyboard *keyboard = NULL;
#ifndef VESA_NO_BLANKING
#define VESA_NO_BLANKING 0
#define VESA_VSYNC_SUSPEND 1
#define VESA_HSYNC_SUSPEND 2
#define VESA_POWERDOWN 3
#endif
#if 0
static gboolean
input_activity_timeout(gpointer p)
{
blanking_timer = 0;
ioctl(gdk_display->fd, FBIOBLANK, VESA_POWERDOWN);
return FALSE;
}
#endif
/* This is all very broken :( */
static void
input_activity (void)
{
#if 0
if (blanking_timer)
g_source_remove (blanking_timer);
else
gdk_fb_redraw_all ();
blanking_timer = g_timeout_add (BLANKING_TIMEOUT, input_activity_timeout, NULL);
#endif
}
static void
send_button_event (MouseDevice *mouse,
guint button,
gboolean press_event,
guint32 the_time)
{
GdkEvent *event;
gint x, y;
GdkWindow *window;
int nbuttons = 0;
if (_gdk_fb_pointer_grab_window_events)
window = _gdk_fb_pointer_grab_window_events;
else
window = gdk_window_at_pointer(NULL, NULL);
event = gdk_event_make (window, press_event ? GDK_BUTTON_PRESS : GDK_BUTTON_RELEASE, FALSE);
if (event)
{
gdk_window_get_origin (window, &x, &y);
x = mouse->x - x;
y = mouse->y - y;
event->button.x = x;
event->button.y = y;
event->button.button = button;
event->button.state = (mouse->button1_pressed?GDK_BUTTON1_MASK:0) |
(mouse->button2_pressed ? GDK_BUTTON2_MASK : 0) |
(mouse->button3_pressed ? GDK_BUTTON3_MASK : 0) |
(1 << (button + 8)) /* badhack */ |
keyboard->modifier_state;
event->button.device = gdk_core_pointer;
event->button.x_root = mouse->x;
event->button.y_root = mouse->y;
event->button.time = the_time;
#if 0
g_message ("Button #%d %s [%d, %d] in %p",
button, press_event?"pressed":"released",
x, y, window);
/* Debugging aid */
if (window && window != gdk_parent_root)
{
GdkGC *tmp_gc;
tmp_gc = gdk_gc_new (window);
GDK_GC_FBDATA (tmp_gc)->values.foreground.pixel = 0;
gdk_fb_draw_rectangle (GDK_DRAWABLE_IMPL(window), tmp_gc, TRUE, 0, 0,
GDK_DRAWABLE_IMPL_FBDATA(window)->width, GDK_DRAWABLE_IMPL_FBDATA(window)->height);
gdk_gc_unref(tmp_gc);
}
#endif
gdk_event_queue_append (event);
/* For double-clicks */
if (press_event)
gdk_event_button_generate (event);
}
if (mouse->button1_pressed)
nbuttons++;
if (mouse->button2_pressed)
nbuttons++;
if (mouse->button3_pressed)
nbuttons++;
/* Handle implicit button grabs: */
if (press_event && nbuttons == 1)
{
gdk_fb_pointer_grab (window, FALSE,
gdk_window_get_events (window),
NULL, NULL,
GDK_CURRENT_TIME, TRUE);
mouse->click_grab = TRUE;
}
else if (!press_event && nbuttons == 0 && mouse->click_grab)
{
gdk_fb_pointer_ungrab (GDK_CURRENT_TIME, TRUE);
mouse->click_grab = FALSE;
}
}
static GdkPixmap *last_contents = NULL;
static GdkPoint last_location, last_contents_size;
static GdkCursor *last_cursor = NULL;
static GdkFBDrawingContext *gdk_fb_cursor_dc = NULL;
static GdkFBDrawingContext cursor_dc_dat;
static GdkGC *cursor_gc;
static gint cursor_visibility_count = 1;
static GdkFBDrawingContext *
gdk_fb_cursor_dc_reset (void)
{
if (gdk_fb_cursor_dc)
gdk_fb_drawing_context_finalize (gdk_fb_cursor_dc);
gdk_fb_cursor_dc = &cursor_dc_dat;
gdk_fb_drawing_context_init (gdk_fb_cursor_dc,
GDK_DRAWABLE_IMPL(gdk_parent_root),
cursor_gc,
TRUE,
FALSE);
return gdk_fb_cursor_dc;
}
void
gdk_fb_cursor_hide (void)
{
GdkFBDrawingContext *mydc = gdk_fb_cursor_dc;
cursor_visibility_count--;
g_assert (cursor_visibility_count <= 0);
if (cursor_visibility_count < 0)
return;
if (!mydc)
mydc = gdk_fb_cursor_dc_reset ();
if (last_contents)
{
gdk_gc_set_clip_mask (cursor_gc, NULL);
/* Restore old picture */
gdk_fb_draw_drawable_3 (GDK_DRAWABLE_IMPL(gdk_parent_root),
cursor_gc,
GDK_DRAWABLE_IMPL(last_contents),
mydc,
0, 0,
last_location.x,
last_location.y,
last_contents_size.x,
last_contents_size.y);
}
}
void
gdk_fb_cursor_invalidate (void)
{
if (last_contents)
{
gdk_pixmap_unref (last_contents);
last_contents = NULL;
}
}
void
gdk_fb_cursor_unhide()
{
GdkFBDrawingContext *mydc = gdk_fb_cursor_dc;
GdkCursorPrivateFB *last_private;
GdkDrawableFBData *pixmap_last;
last_private = GDK_CURSOR_FB (last_cursor);
pixmap_last = GDK_DRAWABLE_IMPL_FBDATA (last_private->cursor);
cursor_visibility_count++;
g_assert (cursor_visibility_count <= 1);
if (cursor_visibility_count < 1)
return;
if (!mydc)
mydc = gdk_fb_cursor_dc_reset ();
if (last_cursor)
{
if (!last_contents ||
pixmap_last->width > GDK_DRAWABLE_IMPL_FBDATA (last_contents)->width ||
pixmap_last->height > GDK_DRAWABLE_IMPL_FBDATA (last_contents)->height)
{
if (last_contents)
gdk_pixmap_unref (last_contents);
last_contents = gdk_pixmap_new (gdk_parent_root,
pixmap_last->width,
pixmap_last->height,
GDK_DRAWABLE_IMPL_FBDATA (gdk_parent_root)->depth);
}
gdk_gc_set_clip_mask (cursor_gc, NULL);
gdk_fb_draw_drawable_2 (GDK_DRAWABLE_IMPL (last_contents),
cursor_gc,
GDK_DRAWABLE_IMPL (gdk_parent_root),
last_location.x,
last_location.y,
0, 0,
pixmap_last->width,
pixmap_last->height,
TRUE, FALSE);
last_contents_size.x = pixmap_last->width;
last_contents_size.y = pixmap_last->height;
gdk_gc_set_clip_mask (cursor_gc, last_private->mask);
gdk_gc_set_clip_origin (cursor_gc,
last_location.x,
last_location.y);
gdk_fb_cursor_dc_reset ();
gdk_fb_draw_drawable_3 (GDK_DRAWABLE_IMPL (gdk_parent_root),
cursor_gc,
GDK_DRAWABLE_IMPL (last_private->cursor),
mydc,
0, 0,
last_location.x, last_location.y,
pixmap_last->width,
pixmap_last->height);
}
else
gdk_fb_cursor_invalidate ();
}
gboolean
gdk_fb_cursor_region_need_hide (GdkRegion *region)
{
GdkRectangle testme;
if (!last_cursor)
return FALSE;
testme.x = last_location.x;
testme.y = last_location.y;
testme.width = GDK_DRAWABLE_IMPL_FBDATA (GDK_CURSOR_FB (last_cursor)->cursor)->width;
testme.height = GDK_DRAWABLE_IMPL_FBDATA (GDK_CURSOR_FB (last_cursor)->cursor)->height;
return (gdk_region_rect_in (region, &testme) != GDK_OVERLAP_RECTANGLE_OUT);
}
gboolean
gdk_fb_cursor_need_hide (GdkRectangle *rect)
{
GdkRectangle testme;
if (!last_cursor)
return FALSE;
testme.x = last_location.x;
testme.y = last_location.y;
testme.width = GDK_DRAWABLE_IMPL_FBDATA (GDK_CURSOR_FB (last_cursor)->cursor)->width;
testme.height = GDK_DRAWABLE_IMPL_FBDATA (GDK_CURSOR_FB (last_cursor)->cursor)->height;
return gdk_rectangle_intersect (rect, &testme, &testme);
}
void
gdk_fb_get_cursor_rect (GdkRectangle *rect)
{
if (last_cursor)
{
rect->x = last_location.x;
rect->y = last_location.y;
rect->width = GDK_DRAWABLE_IMPL_FBDATA (GDK_CURSOR_FB (last_cursor)->cursor)->width;
rect->height = GDK_DRAWABLE_IMPL_FBDATA (GDK_CURSOR_FB (last_cursor)->cursor)->height;
}
else
{
rect->x = rect->y = -1;
rect->width = rect->height = 0;
}
}
static void
move_pointer (MouseDevice *mouse, GdkWindow *in_window)
{
GdkCursor *the_cursor;
if (!cursor_gc)
{
GdkColor white, black;
cursor_gc = gdk_gc_new (gdk_parent_root);
gdk_color_black (gdk_colormap_get_system (), &black);
gdk_color_white (gdk_colormap_get_system (), &white);
gdk_gc_set_foreground (cursor_gc, &black);
gdk_gc_set_background (cursor_gc, &white);
}
gdk_fb_cursor_hide ();
if (_gdk_fb_pointer_grab_window)
{
if (_gdk_fb_pointer_grab_cursor)
the_cursor = _gdk_fb_pointer_grab_cursor;
else
{
GdkWindow *win = _gdk_fb_pointer_grab_window;
while (!GDK_WINDOW_IMPL_FBDATA (win)->cursor && GDK_WINDOW_OBJECT (win)->parent)
win = (GdkWindow *)GDK_WINDOW_OBJECT (win)->parent;
the_cursor = GDK_WINDOW_IMPL_FBDATA (win)->cursor;
}
}
else
{
while (!GDK_WINDOW_IMPL_FBDATA (in_window)->cursor && GDK_WINDOW_P (in_window)->parent)
in_window = (GdkWindow *)GDK_WINDOW_P (in_window)->parent;
the_cursor = GDK_WINDOW_IMPL_FBDATA (in_window)->cursor;
}
last_location.x = mouse->x - GDK_CURSOR_FB (the_cursor)->hot_x;
last_location.y = mouse->y - GDK_CURSOR_FB (the_cursor)->hot_y;
if (the_cursor)
gdk_cursor_ref (the_cursor);
if (last_cursor)
gdk_cursor_unref (last_cursor);
last_cursor = the_cursor;
gdk_fb_cursor_unhide ();
}
void
gdk_fb_cursor_reset(void)
{
GdkWindow *win = gdk_window_at_pointer (NULL, NULL);
move_pointer (gdk_fb_mouse, win);
}
void
gdk_fb_window_send_crossing_events (GdkWindow *dest,
GdkCrossingMode mode)
{
GdkWindow *c;
GdkWindow *win, *last, *next;
GdkEvent *event;
gint x, y, x_int, y_int;
GdkModifierType my_mask;
GList *path, *list;
gboolean non_linear;
gboolean only_grabbed_window;
GdkWindow *a;
GdkWindow *b;
if (gdk_fb_mouse->prev_window == NULL)
gdk_fb_mouse->prev_window = gdk_window_ref (gdk_parent_root);
if (mode == GDK_CROSSING_UNGRAB)
a = _gdk_fb_pointer_grab_window;
else
a = gdk_fb_mouse->prev_window;
b = dest;
/* When grab in progress only send normal crossing events about
* the grabbed window.
*/
only_grabbed_window = (_gdk_fb_pointer_grab_window_events != NULL) &&
(mode == GDK_CROSSING_NORMAL);
if (a==b)
return;
gdk_input_get_mouseinfo (&x, &y, &my_mask);
c = gdk_fb_find_common_ancestor (a, b);
non_linear = (c != a) && (c != b);
if (!only_grabbed_window || (a == _gdk_fb_pointer_grab_window))
event = gdk_event_make (a, GDK_LEAVE_NOTIFY, TRUE);
else
event = NULL;
if (event)
{
event->crossing.subwindow = NULL;
gdk_window_get_root_origin (a, &x_int, &y_int);
event->crossing.x = x - x_int;
event->crossing.y = y - y_int;
event->crossing.x_root = x;
event->crossing.y_root = y;
event->crossing.mode = mode;
if (non_linear)
event->crossing.detail = GDK_NOTIFY_NONLINEAR;
else if (c==a)
event->crossing.detail = GDK_NOTIFY_INFERIOR;
else
event->crossing.detail = GDK_NOTIFY_ANCESTOR;
event->crossing.focus = FALSE;
event->crossing.state = my_mask;
}
/* Traverse up from a to (excluding) c */
if (c != a)
{
last = a;
win = GDK_WINDOW (GDK_WINDOW_OBJECT (a)->parent);
while (win != c)
{
if (!only_grabbed_window || (win == _gdk_fb_pointer_grab_window))
event = gdk_event_make (win, GDK_LEAVE_NOTIFY, TRUE);
else
event = NULL;
if (event)
{
event->crossing.subwindow = gdk_window_ref (last);
gdk_window_get_root_origin (win, &x_int, &y_int);
event->crossing.x = x - x_int;
event->crossing.y = y - y_int;
event->crossing.x_root = x;
event->crossing.y_root = y;
event->crossing.mode = mode;
if (non_linear)
event->crossing.detail = GDK_NOTIFY_NONLINEAR_VIRTUAL;
else
event->crossing.detail = GDK_NOTIFY_VIRTUAL;
event->crossing.focus = FALSE;
event->crossing.state = my_mask;
}
last = win;
win = GDK_WINDOW (GDK_WINDOW_OBJECT (win)->parent);
}
}
/* Traverse down from c to b */
if (c != b)
{
path = NULL;
win = GDK_WINDOW( GDK_WINDOW_OBJECT (b)->parent);
while (win != c)
{
path = g_list_prepend (path, win);
win = GDK_WINDOW( GDK_WINDOW_OBJECT (win)->parent);
}
list = path;
while (list)
{
win = (GdkWindow *)list->data;
list = g_list_next (list);
if (list)
next = (GdkWindow *)list->data;
else
next = b;
if (!only_grabbed_window || (win == _gdk_fb_pointer_grab_window))
event = gdk_event_make (win, GDK_ENTER_NOTIFY, TRUE);
else
event = NULL;
if (event)
{
event->crossing.subwindow = gdk_window_ref (next);
gdk_window_get_root_origin (win, &x_int, &y_int);
event->crossing.x = x - x_int;
event->crossing.y = y - y_int;
event->crossing.x_root = x;
event->crossing.y_root = y;
event->crossing.mode = mode;
if (non_linear)
event->crossing.detail = GDK_NOTIFY_NONLINEAR_VIRTUAL;
else
event->crossing.detail = GDK_NOTIFY_VIRTUAL;
event->crossing.focus = FALSE;
event->crossing.state = my_mask;
}
}
g_list_free (path);
}
if (!only_grabbed_window || (b == _gdk_fb_pointer_grab_window))
event = gdk_event_make (b, GDK_ENTER_NOTIFY, TRUE);
else
event = NULL;
if (event)
{
event->crossing.subwindow = NULL;
gdk_window_get_root_origin (b, &x_int, &y_int);
event->crossing.x = x - x_int;
event->crossing.y = y - y_int;
event->crossing.x_root = x;
event->crossing.y_root = y;
event->crossing.mode = mode;
if (non_linear)
event->crossing.detail = GDK_NOTIFY_NONLINEAR;
else if (c==a)
event->crossing.detail = GDK_NOTIFY_ANCESTOR;
else
event->crossing.detail = GDK_NOTIFY_INFERIOR;
event->crossing.focus = FALSE;
event->crossing.state = my_mask;
}
if ((mode != GDK_CROSSING_GRAB) &&
(b != gdk_fb_mouse->prev_window))
{
gdk_window_unref (gdk_fb_mouse->prev_window);
gdk_fb_mouse->prev_window = gdk_window_ref (b);
}
}
static void
handle_mouse_input(MouseDevice *mouse,
gboolean got_motion)
{
GdkWindow *mousewin;
GdkEvent *event;
gint x, y;
GdkWindow *win, *grabwin;
guint state;
if (_gdk_fb_pointer_grab_confine)
mousewin = _gdk_fb_pointer_grab_confine;
else
mousewin = gdk_parent_root;
if (mouse->x < GDK_DRAWABLE_IMPL_FBDATA (mousewin)->llim_x)
mouse->x = GDK_DRAWABLE_IMPL_FBDATA (mousewin)->llim_x;
else if (mouse->x > (GDK_DRAWABLE_IMPL_FBDATA (mousewin)->lim_x - 1))
mouse->x = GDK_DRAWABLE_IMPL_FBDATA (mousewin)->lim_x - 1;
if (mouse->y < GDK_DRAWABLE_IMPL_FBDATA (mousewin)->llim_y)
mouse->y = GDK_DRAWABLE_IMPL_FBDATA (mousewin)->llim_y;
else if (mouse->y > (GDK_DRAWABLE_IMPL_FBDATA (mousewin)->lim_y - 1))
mouse->y = GDK_DRAWABLE_IMPL_FBDATA (mousewin)->lim_y - 1;
if (!got_motion)
return;
win = gdk_window_at_pointer (NULL, NULL);
if (_gdk_fb_pointer_grab_window_events)
grabwin = _gdk_fb_pointer_grab_window_events;
else
grabwin = win;
move_pointer (mouse, grabwin);
gdk_window_get_origin (grabwin, &x, &y);
x = mouse->x - x;
y = mouse->y - y;
state = (mouse->button1_pressed?GDK_BUTTON1_MASK:0) |
(mouse->button2_pressed?GDK_BUTTON2_MASK:0) |
(mouse->button3_pressed?GDK_BUTTON3_MASK:0) |
keyboard->modifier_state;
event = gdk_event_make (grabwin, GDK_MOTION_NOTIFY, TRUE);
if (event)
{
event->motion.x = x;
event->motion.y = y;
event->motion.state = state;
event->motion.is_hint = FALSE;
event->motion.device = gdk_core_pointer;
event->motion.x_root = mouse->x;
event->motion.y_root = mouse->y;
event->motion.time = gdk_fb_get_time ();
}
if (win != mouse->prev_window)
gdk_fb_window_send_crossing_events (win,
GDK_CROSSING_NORMAL);
input_activity ();
}
static gboolean
pull_fidmour_packet (MouseDevice *mouse,
gboolean *btn_down,
gdouble *x,
gdouble *y)
{
gboolean keep_reading = TRUE;
while (keep_reading)
{
int n;
n = read (mouse->fd, mouse->mouse_packet + mouse->packet_nbytes, 5 - mouse->packet_nbytes);
if (n < 0)
return FALSE;
else if (n == 0)
{
g_error ("EOF on mouse device!");
g_source_remove (mouse->fd_tag);
return FALSE;
}
mouse->packet_nbytes += n;
n = 0;
if (!(mouse->mouse_packet[0] & 0x80))
{
int i;
/* We haven't received any of the packet yet but there is no header at the beginning */
for (i = 1; i < mouse->packet_nbytes; i++)
{
if (mouse->mouse_packet[i] & 0x80)
{
n = i;
break;
}
}
}
else if (mouse->packet_nbytes > 1 &&
((mouse->mouse_packet[0] & 0x90) == 0x90))
{
/* eat the 0x90 and following byte, no clue what it's for */
n = 2;
}
else if (mouse->packet_nbytes == 5)
{
switch (mouse->mouse_packet[0] & 0xF)
{
case 2:
*btn_down = 0;
break;
case 1:
case 0:
*btn_down = 1;
break;
default:
g_assert_not_reached ();
break;
}
*x = mouse->mouse_packet[1] + (mouse->mouse_packet[2] << 7);
if (*x > 8192)
*x -= 16384;
*y = mouse->mouse_packet[3] + (mouse->mouse_packet[4] << 7);
if (*y > 8192)
*y -= 16384;
/* Now map touchscreen coords to screen coords */
*x *= ((double)gdk_display->modeinfo.xres)/4096.0;
*y *= ((double)gdk_display->modeinfo.yres)/4096.0;
n = 5;
keep_reading = FALSE;
}
if (n)
{
memmove (mouse->mouse_packet, mouse->mouse_packet+n, mouse->packet_nbytes-n);
mouse->packet_nbytes -= n;
}
}
return TRUE;
}
static gboolean
handle_input_fidmour (GIOChannel *gioc,
GIOCondition cond,
gpointer data)
{
MouseDevice *mouse = data;
gdouble x, y, oldx, oldy;
gboolean got_motion = FALSE;
gboolean btn_down;
guint32 the_time;
the_time = gdk_fb_get_time ();
oldx = mouse->x;
oldy = mouse->y;
while (pull_fidmour_packet (mouse, &btn_down, &x, &y))
{
if (fabs(x - mouse->x) >= 1.0 || fabs(x - mouse->y) >= 1.0)
{
got_motion = TRUE;
mouse->x = x;
mouse->y = y;
}
if (btn_down != mouse->button1_pressed)
{
if (got_motion)
{
handle_mouse_input (mouse, TRUE);
got_motion = FALSE;
}
mouse->button1_pressed = btn_down;
send_button_event (mouse, 1, btn_down, the_time);
}
}
if (got_motion)
handle_mouse_input (mouse, TRUE);
return TRUE;
}
static gboolean
handle_input_ps2 (GIOChannel *gioc,
GIOCondition cond,
gpointer data)
{
MouseDevice *mouse = data;
int n, dx=0, dy=0;
gboolean new_button1, new_button2, new_button3;
guint32 the_time;
gboolean got_motion = FALSE;
guchar *buf;
the_time = gdk_fb_get_time ();
while (1) /* Go through as many mouse events as we can */
{
n = read (mouse->fd, mouse->mouse_packet + mouse->packet_nbytes, 3 - mouse->packet_nbytes);
if (n<=0) /* error or nothing to read */
break;
mouse->packet_nbytes += n;
if (mouse->packet_nbytes < 3) /* Mouse packet not finished */
break;
mouse->packet_nbytes = 0;
/* Finished reading a packet */
buf = mouse->mouse_packet;
new_button1 = (buf[0] & 1) && 1;
new_button3 = (buf[0] & 2) && 1;
new_button2 = (buf[0] & 4) && 1;
if (got_motion &&
(new_button1 != mouse->button1_pressed ||
new_button2 != mouse->button2_pressed ||
new_button3 != mouse->button3_pressed))
{
/* If a mouse button state changes we need to get correct ordering with enter/leave events,
so push those out via handle_mouse_input */
got_motion = FALSE;
handle_mouse_input (mouse, TRUE);
}
if (new_button1 != mouse->button1_pressed)
{
mouse->button1_pressed = new_button1;
send_button_event (mouse, 1, new_button1, the_time);
}
if (new_button2 != mouse->button2_pressed)
{
mouse->button2_pressed = new_button2;
send_button_event (mouse, 2, new_button2, the_time);
}
if (new_button3 != mouse->button3_pressed)
{
mouse->button3_pressed = new_button3;
send_button_event (mouse, 3, new_button3, the_time);
}
if (buf[1] != 0)
dx = ((buf[0] & 0x10) ? ((gint)buf[1])-256 : buf[1]);
else
dx = 0;
if (buf[2] != 0)
dy = -((buf[0] & 0x20) ? ((gint)buf[2])-256 : buf[2]);
else
dy = 0;
mouse->x += dx;
mouse->y += dy;
if (dx || dy)
got_motion = TRUE;
}
if (got_motion)
handle_mouse_input (mouse, TRUE);
return TRUE;
}
static gboolean
handle_input_ms (GIOChannel *gioc,
GIOCondition cond,
gpointer data)
{
MouseDevice *mouse = data;
guchar byte1, byte2, byte3;
int n, dx=0, dy=0;
gboolean new_button1, new_button2, new_button3;
guint32 the_time;
the_time = gdk_fb_get_time ();
n = read (mouse->fd, &byte1, 1);
if ( (n!=1) || (byte1 & 0x40) != 0x40)
return TRUE;
n = read (mouse->fd, &byte2, 1);
if ( (n!=1) || (byte2 & 0x40) != 0x00)
return TRUE;
n = read (mouse->fd, &byte3, 1);
if (n!=1)
return TRUE;
new_button1 = (byte1 & 0x20) && 1;
new_button2 = (byte1 & 0x10) && 1;
new_button3 = 0;
if (new_button1 != mouse->button1_pressed)
{
mouse->button1_pressed = new_button1;
send_button_event (mouse, 1, new_button1, the_time);
}
if (new_button2 != mouse->button2_pressed)
{
mouse->button2_pressed = new_button2;
send_button_event (mouse, 2, new_button2, the_time);
}
if (new_button3 != mouse->button3_pressed)
{
mouse->button3_pressed = new_button3;
send_button_event (mouse, 3, new_button3, the_time);
}
dx = (signed char)(((byte1 & 0x03) << 6) | (byte2 & 0x3F));
dy = (signed char)(((byte1 & 0x0C) << 4) | (byte3 & 0x3F));
mouse->x += dx;
mouse->y += dy;
if (dx || dy)
handle_mouse_input (mouse, TRUE);
return TRUE;
}
static MouseDevice *
mouse_open(void)
{
MouseDevice *retval;
guchar buf[7];
int i = 0;
GIOChannel *gioc;
char *mousedev, *ctmp;
int mode;
struct termios tty;
enum { PS2_MOUSE, FIDMOUR_MOUSE, MS_MOUSE, UNKNOWN_MOUSE } type;
int flags;
fd_set fds;
char c;
struct timeval tv;
retval = g_new0 (MouseDevice, 1);
retval->fd = -1;
mode = O_RDWR;
ctmp = getenv ("GDK_MOUSETYPE");
if (ctmp)
{
if (!strcmp (ctmp, "fidmour"))
type = FIDMOUR_MOUSE;
else if (!strcmp (ctmp, "ps2"))
type = PS2_MOUSE;
else if (!strcmp (ctmp, "ms"))
type = MS_MOUSE;
else
{
g_print ("Unknown mouse type %s\n", ctmp);
type = UNKNOWN_MOUSE;
}
}
else
type = PS2_MOUSE;
switch (type)
{
case PS2_MOUSE:
mousedev = "/dev/psaux";
mode = O_RDWR;
break;
case MS_MOUSE:
mousedev = "/dev/ttyS0";
mode = O_RDWR;
break;
case FIDMOUR_MOUSE:
mousedev = "/dev/fidmour";
mode = O_RDONLY;
break;
default:
goto error;
break;
}
ctmp = getenv ("GDK_MOUSEDEV");
if (ctmp)
mousedev = ctmp;
/* Use nonblocking mode to open, to not hang on device */
retval->fd = open (mousedev, mode | O_NONBLOCK);
if (retval->fd < 0)
goto error;
flags = fcntl (retval->fd, F_GETFL);
fcntl (retval->fd, F_SETFL, flags & ~O_NONBLOCK);
switch (type)
{
case PS2_MOUSE:
/* From xf86_Mouse.c */
buf[i++] = 230; /* 1:1 scaling */
buf[i++] = 244; /* enable mouse */
buf[i++] = 243; /* Sample rate */
buf[i++] = 200;
buf[i++] = 232; /* device resolution */
buf[i++] = 1;
write (retval->fd, buf, i);
fcntl (retval->fd, F_SETFL, O_RDWR|O_NONBLOCK);
usleep (10000); /* sleep 10 ms, then read whatever junk we can get from the mouse, in a vain attempt
to get synchronized with the event stream */
while ((i = read (retval->fd, buf, sizeof(buf))) > 0)
g_print ("Got %d bytes of junk from psaux\n", i);
gioc = g_io_channel_unix_new (retval->fd);
retval->fd_tag = g_io_add_watch (gioc, G_IO_IN|G_IO_ERR|G_IO_HUP|G_IO_NVAL, handle_input_ps2, retval);
break;
case MS_MOUSE:
/* Read all data from fd: */
FD_ZERO (&fds);
FD_SET (retval->fd, &fds);
tv.tv_sec = 0;
tv.tv_usec = 0;
while (select (retval->fd+1, &fds, NULL, NULL, &tv) > 0) {
FD_ZERO (&fds);
FD_SET (retval->fd, &fds);
tv.tv_sec = 0;
tv.tv_usec = 0;
read (retval->fd, &c, 1);
}
tcgetattr (retval->fd, &tty);
tty.c_iflag = IGNBRK | IGNPAR;
tty.c_cflag = CREAD|CLOCAL|HUPCL|CS7|B1200;
tty.c_oflag = 0;
tty.c_lflag = 0;
tty.c_line = 0;
tty.c_cc[VTIME] = 0;
tty.c_cc[VMIN] = 1;
tcsetattr (retval->fd, TCSAFLUSH, &tty);
write (retval->fd, "*n", 2);
gioc = g_io_channel_unix_new (retval->fd);
retval->fd_tag = g_io_add_watch (gioc, G_IO_IN|G_IO_ERR|G_IO_HUP|G_IO_NVAL, handle_input_ms, retval);
break;
case FIDMOUR_MOUSE:
fcntl (retval->fd, F_SETFL, O_RDONLY|O_NONBLOCK);
gioc = g_io_channel_unix_new (retval->fd);
/* We set the priority lower here because otherwise it will flood out all the other stuff */
retval->fd_tag = g_io_add_watch_full (gioc, G_PRIORITY_DEFAULT, G_IO_IN|G_IO_ERR|G_IO_HUP|G_IO_NVAL,
handle_input_fidmour, retval, NULL);
break;
default:
g_assert_not_reached ();
break;
}
retval->x = gdk_display->modeinfo.xres >> 1;
retval->y = gdk_display->modeinfo.yres >> 1;
return retval;
error:
/* No errors allowed once fd_tag is added */
g_warning ("Failed to open mouse device\n");
if (retval->fd >= 0)
close (retval->fd);
g_free (retval);
return NULL;
}
void
gdk_input_init (void)
{
gdk_input_devices = g_list_append (NULL, gdk_core_pointer);
gdk_input_ignore_core = FALSE;
gdk_fb_mouse = mouse_open ();
}
void
gdk_input_get_mouseinfo (gint *x,
gint *y,
GdkModifierType *mask)
{
*x = gdk_fb_mouse->x;
*y = gdk_fb_mouse->y;
*mask =
(gdk_fb_mouse->button1_pressed?GDK_BUTTON1_MASK:0) |
(gdk_fb_mouse->button2_pressed?GDK_BUTTON2_MASK:0) |
(gdk_fb_mouse->button3_pressed?GDK_BUTTON3_MASK:0) |
keyboard->modifier_state;
}
GdkWindow *
gdk_window_find_focus (void)
{
if (_gdk_fb_keyboard_grab_window)
return _gdk_fb_keyboard_grab_window;
else if (GDK_WINDOW_P (gdk_parent_root)->children)
{
GList *item;
for (item = GDK_WINDOW_P (gdk_parent_root)->children; item; item = item->next)
{
GdkWindowObject *priv = item->data;
if (priv->mapped)
return item->data;
}
}
return gdk_parent_root;
}
static const guint trans_table[256][3] = {
/* 0x00 */
{0, 0, 0},
{GDK_Escape, 0, 0},
{'1', '!', 0},
{'2', '@', 0},
{'3', '#', 0},
{'4', '$', 0},
{'5', '%', 0},
{'6', '^', 0},
{'7', '&', 0},
{'8', '*', 0},
{'9', '(', 0},
{'0', ')', 0},
{'-', '_', 0},
{'=', '+', 0},
{GDK_BackSpace, 0, 0},
{GDK_Tab, 0, 0},
/* 0x10 */
{'q', 'Q', 0},
{'w', 'W', 0},
{'e', 'E', 0},
{'r', 'R', 0},
{'t', 'T', 0},
{'y', 'Y', 0},
{'u', 'U', 0},
{'i', 'I', 0},
{'o', 'O', 0},
{'p', 'P', 0},
{'[', '{', 0},
{']', '}', 0},
{GDK_Return, 0, 0},
{GDK_Control_L, 0, 0}, /* mod */
{'a', 'A', 0},
{'s', 'S', 0},
/* 0x20 */
{'d', 'D', 0},
{'f', 'F', 0},
{'g', 'G', 0},
{'h', 'H', 0},
{'j', 'J', 0},
{'k', 'K', 0},
{'l', 'L', 0},
{';', ':', 0},
{'\'', '"', 0},
{'`', '~', 0},
{GDK_Shift_L, 0, 0}, /* mod */
{'\\', 0, 0},
{'z', 0, 0},
{'x', 0, 0},
{'c', 0, 0},
{'v', 'V', 0},
/* 0x30 */
{'b', 'B', 0},
{'n', 'N', 0},
{'m', 'M', 0},
{',', 0, 0},
{'.', 0, 0},
{'/', 0, 0},
{GDK_Shift_R, 0, 0}, /* mod */
{GDK_KP_Multiply, 0, 0},
{0, 0, 0},
{GDK_space, 0, 0},
{0, 0, 0},
{GDK_F1, 0, 0},
{GDK_F2, 0, 0},
{GDK_F3, 0, 0},
{GDK_F4, 0, 0},
{GDK_F5, 0, 0},
/* 0x40 */
{GDK_F6, 0, 0},
{GDK_F7, 0, 0},
{GDK_F8, 0, 0},
{GDK_F9, 0, 0},
{GDK_F10, 0, 0},
{0, 0, 0},
{0, 0, 0},
{'7', 0, 0},
{'8', 0, 0},
{'9', 0, 0},
{'-', 0, 0},
{'4', 0, 0},
{'5', 0, 0},
{'6', 0, 0},
{'+', 0, 0},
{'1', 0, 0},
/* 0x50 */
{'2', 0, 0},
{'3', 0, 0},
{'0', 0, 0},
{'.', 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{GDK_F11, 0, 0},
{GDK_F12, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
/* 0x60 */
{GDK_Return, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
/* 0x70 */
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
/* 0x80 */
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
/* 0x90 */
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
/* 0xA0 */
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
/* 0xB0 */
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
/* 0xC0 */
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{GDK_Up, 0, 0},
{0, 0, 0},
{0, 0, 0},
{GDK_Left, 0, 0},
{0, 0, 0},
{GDK_Right, 0, 0},
{0, 0, 0},
{0, 0, 0},
/* 0xD0 */
{GDK_Down, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
/* 0xE0 */
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
/* 0xF0 */
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
{0, 0, 0},
};
#define TRANS_TABLE_SIZE (sizeof(trans_table)/sizeof(trans_table[0]))
static gboolean
handle_mediumraw_keyboard_input (GIOChannel *gioc,
GIOCondition cond,
gpointer data)
{
guchar buf[128];
int i, n;
Keyboard *k = data;
guint32 now;
n = read (k->fd, buf, sizeof(buf));
if (n <= 0)
g_error("Nothing from keyboard!");
/* Now turn this into a keyboard event */
now = gdk_fb_get_time ();
for (i = 0; i < n; i++)
{
guchar keycode;
gboolean key_up;
GdkEvent *event;
GdkWindow *win;
char dummy[2];
int mod;
guint keyval;
keycode = buf[i] & 0x7F;
key_up = buf[i] & 0x80;
if (keycode > TRANS_TABLE_SIZE)
{
g_warning ("Unknown keycode\n");
continue;
}
if ( (keycode == 0x1D) /* left Ctrl */
|| (keycode == 0x9D) /* right Ctrl */
|| (keycode == 0x38) /* left Alt */
|| (keycode == 0xB8) /* right Alt */
|| (keycode == 0x2A) /* left Shift */
|| (keycode == 0x36) /* right Shift */)
{
switch (keycode)
{
case 0x1D: /* Left Ctrl */
case 0x9D: /* Right Ctrl */
if (key_up)
k->modifier_state &= ~GDK_CONTROL_MASK;
else
k->modifier_state |= GDK_CONTROL_MASK;
break;
case 0x38: /* Left Alt */
case 0xB8: /* Right Alt */
if (key_up)
k->modifier_state &= ~GDK_MOD1_MASK;
else
k->modifier_state |= GDK_MOD1_MASK;
break;
case 0x2A: /* Left Shift */
case 0x36: /* Right Shift */
if (key_up)
k->modifier_state &= ~GDK_SHIFT_MASK;
else
k->modifier_state |= GDK_SHIFT_MASK;
break;
}
continue; /* Don't generate events for modifiers */
}
if (keycode == 0x3A /* Caps lock */)
{
if (!key_up)
k->caps_lock = !k->caps_lock;
ioctl (k->fd, KDSETLED, k->caps_lock ? LED_CAP : 0);
continue;
}
if (trans_table[keycode][0] >= GDK_F1 &&
trans_table[keycode][0] <= GDK_F35 &&
(k->modifier_state & GDK_MOD1_MASK))
{
if (key_up) /* Only switch on release */
{
gint vtnum = trans_table[keycode][0] - GDK_F1 + 1;
/* Do the whole funky VT switch thing */
ioctl (k->consfd, VT_ACTIVATE, vtnum);
ioctl (k->consfd, VT_WAITACTIVE, k->vtnum);
gdk_fb_redraw_all ();
}
continue;
}
keyval = 0;
mod = 0;
if (k->modifier_state & GDK_CONTROL_MASK)
mod = 2;
else if (k->modifier_state & GDK_SHIFT_MASK)
mod = 1;
do {
keyval = trans_table[keycode][mod--];
} while (!keyval && (mod >= 0));
if (k->caps_lock && (keyval >= 'a') && (keyval <= 'z'))
keyval = toupper (keyval);
/* handle some magic keys */
if (k->modifier_state & (GDK_CONTROL_MASK|GDK_MOD1_MASK))
{
if (key_up)
{
if (keyval == GDK_BackSpace)
exit (1);
if (keyval == GDK_Return)
gdk_fb_redraw_all ();
}
keyval = 0;
}
if (!keyval)
continue;
win = gdk_window_find_focus ();
event = gdk_event_make (win,
key_up ? GDK_KEY_RELEASE : GDK_KEY_PRESS,
TRUE);
if (event)
{
/* Find focused window */
event->key.time = now;
event->key.state = k->modifier_state;
event->key.keyval = keyval;
event->key.length = isprint (event->key.keyval) ? 1 : 0;
dummy[0] = event->key.keyval;
dummy[1] = 0;
event->key.string = event->key.length ? g_strdup(dummy) : NULL;
}
}
input_activity ();
return TRUE;
}
static gboolean
handle_xlate_keyboard_input (GIOChannel *gioc,
GIOCondition cond,
gpointer data)
{
guchar buf[128];
int i, n;
Keyboard *k = data;
guint32 now;
n = read (k->fd, buf, sizeof(buf));
if (n <= 0)
g_error ("Nothing from keyboard!");
/* Now turn this into a keyboard event */
now = gdk_fb_get_time ();
for (i = 0; i < n; i++)
{
GdkEvent *event;
GdkWindow *win;
char dummy[2];
guint keyval;
keyval = buf[i];
switch (keyval) {
case '\n':
keyval = GDK_Return;
break;
case '\t':
keyval = GDK_Tab;
break;
case 127:
keyval = GDK_BackSpace;
break;
case 27:
keyval = GDK_Escape;
break;
}
win = gdk_window_find_focus ();
/* Send key down: */
event = gdk_event_make (win, GDK_KEY_PRESS, TRUE);
if (event)
{
/* Find focused window */
event->key.time = now;
event->key.state = k->modifier_state;
event->key.keyval = keyval;
event->key.length = isprint (event->key.keyval) ? 1 : 0;
dummy[0] = event->key.keyval;
dummy[1] = 0;
event->key.string = event->key.length ? g_strdup(dummy) : NULL;
}
/* Send key up: */
event = gdk_event_make (win, GDK_KEY_RELEASE, TRUE);
if (event)
{
/* Find focused window */
event->key.time = now;
event->key.state = k->modifier_state;
event->key.keyval = keyval;
event->key.length = isprint (event->key.keyval) ? 1 : 0;
dummy[0] = event->key.keyval;
dummy[1] = 0;
event->key.string = event->key.length ? g_strdup(dummy) : NULL;
}
}
input_activity ();
return TRUE;
}
static Keyboard *
tty_keyboard_open (void)
{
Keyboard *retval = g_new0 (Keyboard, 1);
GIOChannel *gioc;
const char cursoroff_str[] = "\033[?1;0;0c";
int n;
struct vt_stat vs;
char buf[32];
struct termios ts;
gboolean raw_keyboard;
retval->modifier_state = 0;
retval->caps_lock = 0;
setsid();
retval->consfd = open ("/dev/console", O_RDWR);
ioctl (retval->consfd, VT_GETSTATE, &vs);
retval->prev_vtnum = vs.v_active;
g_snprintf (buf, sizeof(buf), "/dev/tty%d", retval->prev_vtnum);
ioctl (retval->consfd, KDSKBMODE, K_XLATE);
n = ioctl (retval->consfd, VT_OPENQRY, &retval->vtnum);
if (n < 0 || retval->vtnum == -1)
g_error("Cannot allocate VT");
ioctl (retval->consfd, VT_ACTIVATE, retval->vtnum);
ioctl (retval->consfd, VT_WAITACTIVE, retval->vtnum);
#if 0
close (0);
close (1);
close (2);
#endif
g_snprintf (buf, sizeof(buf), "/dev/tty%d", retval->vtnum);
retval->fd = open (buf, O_RDWR|O_NONBLOCK);
if (retval->fd < 0)
return NULL;
raw_keyboard = TRUE;
if (ioctl (retval->fd, KDSKBMODE, K_MEDIUMRAW) < 0)
{
raw_keyboard = FALSE;
g_warning ("K_MEDIUMRAW failed, using broken XLATE keyboard driver");
}
/* Disable normal text on the console */
ioctl (retval->fd, KDSETMODE, KD_GRAPHICS);
/* Set controlling tty */
ioctl (0, TIOCNOTTY, 0);
ioctl (retval->fd, TIOCSCTTY, 0);
tcgetattr (retval->fd, &ts);
ts.c_cc[VTIME] = 0;
ts.c_cc[VMIN] = 1;
ts.c_lflag &= ~(ICANON|ECHO|ISIG);
ts.c_iflag = 0;
tcsetattr (retval->fd, TCSAFLUSH, &ts);
tcsetpgrp (retval->fd, getpgrp());
write (retval->fd, cursoroff_str, strlen (cursoroff_str));
#if 0
if (retval->fd != 0)
dup2 (retval->fd, 0);
if (retval->fd != 1)
dup2 (retval->fd, 1);
if (retval->fd != 2)
dup2 (retval->fd, 2);
#endif
gioc = g_io_channel_unix_new (retval->fd);
retval->fd_tag = g_io_add_watch (gioc,
G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL,
(raw_keyboard) ? handle_mediumraw_keyboard_input : handle_xlate_keyboard_input,
retval);
return retval;
}
void
gdk_beep (void)
{
static int pitch = 600, duration = 100;
gulong arg;
if (!keyboard)
return;
/* Thank you XFree86 */
arg = ((1193190 / pitch) & 0xffff) |
(((unsigned long)duration) << 16);
ioctl (keyboard->fd, KDMKTONE, arg);
}
void
keyboard_init (void)
{
keyboard = tty_keyboard_open ();
}
void
keyboard_shutdown (void)
{
int tmpfd;
ioctl (keyboard->fd, KDSETMODE, KD_TEXT);
ioctl (keyboard->fd, KDSKBMODE, K_XLATE);
close (keyboard->fd);
g_source_remove (keyboard->fd_tag);
tmpfd = keyboard->consfd;
ioctl (tmpfd, VT_ACTIVATE, keyboard->prev_vtnum);
ioctl (tmpfd, VT_WAITACTIVE, keyboard->prev_vtnum);
ioctl (tmpfd, VT_DISALLOCATE, keyboard->vtnum);
close (tmpfd);
g_free (keyboard);
keyboard = NULL;
}
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