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gtk/gdk/linux-fb/gdkinput-ps2.c
Elliot Lee a6895b64fd Make numeric keypad work. 
Make numeric keypad work.
2000-08-09 19:58:10 +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/kd.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 fidmour_bytes[5];
int fidmour_nbytes;
} MouseDevice;
typedef struct {
gint fd, fd_tag, consfd;
int vtnum, prev_vtnum;
guchar states[256];
gboolean is_ext : 1;
gboolean caps_lock : 1;
} Keyboard;
static guint blanking_timer = 0;
static Keyboard * tty_keyboard_open(void);
static guint keyboard_get_state(Keyboard *k);
static MouseDevice *gdk_fb_mouse = NULL;
static Keyboard *keyboard = NULL;
static guint multiclick_tag;
static GdkEvent *multiclick_event = 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 gboolean
click_event_timeout(gpointer x)
{
switch(multiclick_event->type)
{
case GDK_BUTTON_RELEASE:
gdk_event_free(multiclick_event);
break;
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
gdk_event_queue_append(multiclick_event);
break;
default:
break;
}
multiclick_event = NULL;
multiclick_tag = 0;
return FALSE;
}
static void
send_button_event(MouseDevice *mouse, guint button, gboolean press_event, time_t 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_get_pointer(NULL, NULL, NULL, NULL);
gdk_window_get_origin(window, &x, &y);
x = mouse->x - x;
y = mouse->y - y;
if(!press_event
&& multiclick_event
&& multiclick_event->button.button == button
&& multiclick_event->button.window == window
&& ABS(multiclick_event->button.x - x) < 3
&& ABS(multiclick_event->button.y - y) < 3)
{
multiclick_event->button.time = the_time;
/* Just change multiclick_event into a different event */
switch(multiclick_event->button.type)
{
default:
g_assert_not_reached();
case GDK_BUTTON_RELEASE:
multiclick_event->button.type = GDK_2BUTTON_PRESS;
return;
case GDK_2BUTTON_PRESS:
multiclick_event->button.type = GDK_3BUTTON_PRESS;
return;
case GDK_3BUTTON_PRESS:
gdk_event_queue_append(multiclick_event); multiclick_event = NULL;
g_source_remove(multiclick_tag); multiclick_tag = 0;
}
}
event = gdk_event_make(window, press_event?GDK_BUTTON_PRESS:GDK_BUTTON_RELEASE, FALSE);
if(!event)
return;
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_get_state(keyboard);
event->button.device = gdk_core_pointer;
event->button.x_root = mouse->x;
event->button.y_root = mouse->y;
if(mouse->button1_pressed)
nbuttons++;
if(mouse->button2_pressed)
nbuttons++;
if(mouse->button3_pressed)
nbuttons++;
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;
}
#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
if(!press_event && !multiclick_tag)
{
multiclick_tag = g_timeout_add(250, click_event_timeout, NULL);
multiclick_event = gdk_event_copy(event);
}
gdk_event_queue_append(event);
}
static GdkPixmap *last_contents = NULL;
static GdkPoint last_location, last_contents_size;
static GdkCursor *last_cursor = NULL;
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;
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
|| GDK_DRAWABLE_IMPL_FBDATA(GDK_CURSOR_FB(last_cursor)->cursor)->width > GDK_DRAWABLE_IMPL_FBDATA(last_contents)->width
|| GDK_DRAWABLE_IMPL_FBDATA(GDK_CURSOR_FB(last_cursor)->cursor)->height > GDK_DRAWABLE_IMPL_FBDATA(last_contents)->height)
{
if(last_contents)
gdk_pixmap_unref(last_contents);
last_contents = gdk_pixmap_new(gdk_parent_root,
GDK_DRAWABLE_IMPL_FBDATA(GDK_CURSOR_FB(last_cursor)->cursor)->width,
GDK_DRAWABLE_IMPL_FBDATA(GDK_CURSOR_FB(last_cursor)->cursor)->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,
GDK_DRAWABLE_IMPL_FBDATA(GDK_CURSOR_FB(last_cursor)->cursor)->width,
GDK_DRAWABLE_IMPL_FBDATA(GDK_CURSOR_FB(last_cursor)->cursor)->height, TRUE, FALSE);
last_contents_size.x = GDK_DRAWABLE_IMPL_FBDATA(GDK_CURSOR_FB(last_cursor)->cursor)->width;
last_contents_size.y = GDK_DRAWABLE_IMPL_FBDATA(GDK_CURSOR_FB(last_cursor)->cursor)->height;
gdk_gc_set_clip_mask(cursor_gc, GDK_CURSOR_FB(last_cursor)->mask);
gdk_gc_set_clip_origin(cursor_gc, last_location.x + GDK_CURSOR_FB(last_cursor)->mask_off_x,
last_location.y + GDK_CURSOR_FB(last_cursor)->mask_off_y);
gdk_fb_cursor_dc_reset();
gdk_fb_draw_drawable_3(GDK_DRAWABLE_IMPL(gdk_parent_root), cursor_gc, GDK_DRAWABLE_IMPL(GDK_CURSOR_FB(last_cursor)->cursor),
mydc, 0, 0, last_location.x, last_location.y,
GDK_DRAWABLE_IMPL_FBDATA(GDK_CURSOR_FB(last_cursor)->cursor)->width,
GDK_DRAWABLE_IMPL_FBDATA(GDK_CURSOR_FB(last_cursor)->cursor)->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 && _gdk_fb_pointer_grab_cursor)
the_cursor = _gdk_fb_pointer_grab_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_get_pointer(NULL, NULL, NULL, NULL);
move_pointer(gdk_fb_mouse, win);
}
void gdk_fb_window_visibility_crossing(GdkWindow *window, gboolean is_show, gboolean is_grab)
{
gint winx, winy;
GdkModifierType my_mask;
gdk_input_ps2_get_mouseinfo(&winx, &winy, &my_mask);
if(is_grab
|| (winx >= GDK_DRAWABLE_IMPL_FBDATA(window)->llim_x
&& winx < GDK_DRAWABLE_IMPL_FBDATA(window)->lim_x
&& winy >= GDK_DRAWABLE_IMPL_FBDATA(window)->llim_y
&& winy < GDK_DRAWABLE_IMPL_FBDATA(window)->lim_y)
)
{
GdkWindow *oldwin, *newwin, *curwin;
GdkEvent *event;
curwin = gdk_window_get_pointer(NULL, NULL, NULL, NULL);
if(is_show)
{
/* Window is about to be shown */
oldwin = curwin;
newwin = window;
}
else
{
/* Window is about to be hidden */
oldwin = window;
newwin = curwin;
}
event = gdk_event_make(oldwin, GDK_LEAVE_NOTIFY, TRUE);
if(event)
{
guint x_int, y_int;
event->crossing.subwindow = gdk_window_ref(newwin);
gdk_window_get_root_origin(oldwin, &x_int, &y_int);
event->crossing.x = winx - x_int;
event->crossing.y = winy - y_int;
event->crossing.x_root = winx;
event->crossing.y_root = winy;
if(is_grab)
{
if(is_show)
event->crossing.mode = GDK_CROSSING_GRAB;
else
event->crossing.mode = GDK_CROSSING_UNGRAB;
}
else
event->crossing.mode = GDK_CROSSING_NORMAL;
event->crossing.detail = GDK_NOTIFY_UNKNOWN;
event->crossing.focus = FALSE;
event->crossing.state = my_mask;
}
event = gdk_event_make(newwin, GDK_ENTER_NOTIFY, TRUE);
if(event)
{
guint x_int, y_int;
event->crossing.subwindow = gdk_window_ref(oldwin);
gdk_window_get_root_origin(newwin, &x_int, &y_int);
event->crossing.x = winx - x_int;
event->crossing.y = winy - y_int;
event->crossing.x_root = winx;
event->crossing.y_root = winy;
event->crossing.mode = GDK_CROSSING_NORMAL;
event->crossing.detail = GDK_NOTIFY_UNKNOWN;
event->crossing.focus = FALSE;
event->crossing.state = my_mask;
}
if(gdk_fb_mouse->prev_window)
gdk_window_unref(gdk_fb_mouse->prev_window);
gdk_fb_mouse->prev_window = gdk_window_ref(newwin);
}
}
static void
handle_mouse_input(MouseDevice *mouse, gboolean got_motion)
{
GdkWindow *mousewin;
GdkEvent *event;
gint x, y;
GdkWindow *win;
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_get_pointer(NULL, NULL, NULL, NULL);
move_pointer(mouse, win);
if(_gdk_fb_pointer_grab_window_events)
win = _gdk_fb_pointer_grab_window_events;
gdk_window_get_origin(win, &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_get_state(keyboard);
event = gdk_event_make (win, 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;
}
if(win != mouse->prev_window)
{
GdkEvent *evel;
if(mouse->prev_window && (evel = gdk_event_make(mouse->prev_window, GDK_LEAVE_NOTIFY, TRUE)))
{
evel->crossing.subwindow = gdk_window_ref(win);
evel->crossing.x = x;
evel->crossing.y = y;
evel->crossing.x_root = mouse->x;
evel->crossing.y_root = mouse->y;
evel->crossing.mode = GDK_CROSSING_NORMAL;
evel->crossing.detail = GDK_NOTIFY_UNKNOWN;
evel->crossing.focus = FALSE;
evel->crossing.state = state;
}
evel = gdk_event_make(win, GDK_ENTER_NOTIFY, TRUE);
if(evel)
{
evel->crossing.subwindow = gdk_window_ref(mouse->prev_window?mouse->prev_window:gdk_parent_root);
evel->crossing.x = x;
evel->crossing.y = y;
evel->crossing.x_root = mouse->x;
evel->crossing.y_root = mouse->y;
evel->crossing.mode = GDK_CROSSING_NORMAL;
evel->crossing.detail = GDK_NOTIFY_UNKNOWN;
evel->crossing.focus = FALSE;
evel->crossing.state = state;
}
if(mouse->prev_window)
gdk_window_unref(mouse->prev_window);
mouse->prev_window = gdk_window_ref(win);
}
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->fidmour_bytes + mouse->fidmour_nbytes, 5 - mouse->fidmour_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->fidmour_nbytes += n;
n = 0;
if(!(mouse->fidmour_bytes[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->fidmour_nbytes; i++)
{
if(mouse->fidmour_bytes[i] & 0x80)
{
n = i;
break;
}
}
}
else if(mouse->fidmour_nbytes > 1
&& ((mouse->fidmour_bytes[0] & 0x90) == 0x90))
{
/* eat the 0x90 and following byte, no clue what it's for */
n = 2;
}
else if(mouse->fidmour_nbytes == 5)
{
switch(mouse->fidmour_bytes[0] & 0xF)
{
case 2:
*btn_down = 0;
break;
case 1:
case 0:
*btn_down = 1;
break;
default:
g_assert_not_reached();
break;
}
*x = mouse->fidmour_bytes[1] + (mouse->fidmour_bytes[2] << 7);
if(*x > 8192)
*x -= 16384;
*y = mouse->fidmour_bytes[3] + (mouse->fidmour_bytes[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->fidmour_bytes, mouse->fidmour_bytes+n, mouse->fidmour_nbytes-n);
mouse->fidmour_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;
time_t the_time;
GTimeVal tv;
g_get_current_time(&tv);
the_time = tv.tv_sec;
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;
guchar buf[3];
int n, left, dx=0, dy=0;
gboolean new_button1, new_button2, new_button3;
time_t the_time;
GTimeVal curtime;
gboolean got_motion = FALSE;
g_get_current_time(&curtime);
the_time = curtime.tv_usec;
while(1) /* Go through as many mouse events as we can */
{
for(left = sizeof(buf); left > 0; )
{
n = read(mouse->fd, buf+sizeof(buf)-left, left);
if(n <= 0)
{
if(left != sizeof(buf))
continue; /* XXX FIXME - this will be slow compared to turning on blocking mode, etc. */
goto done_reading_mouse_events;
}
left -= n;
}
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;
}
done_reading_mouse_events:
if(got_motion)
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;
enum { PS2_MOUSE, FIDMOUR_MOUSE, UNKNOWN_MOUSE } type;
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
{
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 FIDMOUR_MOUSE:
mousedev = "/dev/fidmour";
mode = O_RDONLY;
break;
default:
goto error;
break;
}
ctmp = getenv("GDK_MOUSEDEV");
if(ctmp)
mousedev = ctmp;
retval->fd = open(mousedev, mode);
if(retval->fd < 0)
goto error;
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 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 */
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_ps2_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_get_state(keyboard);
}
/* Returns the modifier mask for the keyboard */
static guint
keyboard_get_state(Keyboard *k)
{
guint retval = 0;
struct {
guchar from;
guint to;
} statetrans[] = {
{0x1D, GDK_CONTROL_MASK},
{0x9D, GDK_CONTROL_MASK},
{0x38, GDK_MOD1_MASK},
{0xB8, GDK_MOD1_MASK},
{0x2A, GDK_SHIFT_MASK},
{0x36, GDK_SHIFT_MASK}
};
int i;
for(i = 0; i < sizeof(statetrans)/sizeof(statetrans[0]); i++)
if(k->states[statetrans[i].from])
retval |= statetrans[i].to;
return retval;
}
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)
{
GdkWindowPrivate *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},
};
static gboolean
handle_keyboard_input(GIOChannel *gioc, GIOCondition cond, gpointer data)
{
guchar buf[128];
int i, n;
Keyboard *k = data;
time_t now;
GTimeVal curtime;
n = read(k->fd, buf, sizeof(buf));
if(n <= 0)
g_error("Nothing from keyboard!");
/* Now turn this into a keyboard event */
g_get_current_time(&curtime);
now = curtime.tv_sec;
for(i = 0; i < n; i++)
{
guchar base_char;
GdkEvent *event;
GdkWindow *win;
char dummy[2];
int mod;
guint keyval, state;
if(buf[i] == 0xE0 || k->is_ext) /* extended char */
{
int l;
l = k->is_ext?0:1;
k->is_ext = TRUE;
if((i+l) >= n)
continue;
if(buf[i+l] == 0x2A
|| buf[i+l] == 0xAA)
{
i++;
continue;
}
base_char = 0x80 + (buf[i+l] & 0x7F);
k->is_ext = FALSE;
i += l;
}
else
base_char = buf[i] & 0x7F;
if(base_char > sizeof(trans_table)/sizeof(trans_table[0]))
continue;
{
gboolean new_state = (buf[i] & 0x80)?FALSE:TRUE;
k->states[base_char] = new_state;
}
if((base_char == 0x1D) /* left Ctrl */
|| (base_char == 0x9D) /* right Ctrl */
|| (base_char == 0x38) /* left Alt */
|| (base_char == 0xB8) /* right Alt */
|| (base_char == 0x2A) /* left Shift */
|| (base_char == 0x36) /* right Shift */)
{
continue; /* Don't generate events for modifiers */
}
if(base_char == 0x3A /* Caps lock */)
{
if(k->states[base_char])
k->caps_lock = !k->caps_lock;
ioctl(k->fd, KDSETLED, k->caps_lock?LED_CAP:0);
continue;
}
if(trans_table[base_char][0] >= GDK_F1
&& trans_table[base_char][0] <= GDK_F35
&& (keyboard_get_state(k) & GDK_MOD1_MASK))
{
if(!k->states[base_char]) /* Only switch on release */
{
gint vtnum = trans_table[base_char][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;
state = keyboard_get_state(k);
mod = 0;
if(state & GDK_CONTROL_MASK)
mod = 2;
else if(state & GDK_SHIFT_MASK)
mod = 1;
do {
keyval = trans_table[base_char][mod--];
} while(!keyval && (mod >= 0));
if(k->caps_lock && (keyval >= 'a')
&& (keyval <= 'z'))
keyval = toupper(keyval);
/* handle some magic keys */
if(state & (GDK_CONTROL_MASK|GDK_MOD1_MASK))
{
if(!k->states[base_char])
{
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, k->states[base_char]?GDK_KEY_PRESS:GDK_KEY_RELEASE, TRUE);
if(event)
{
/* Find focused window */
event->key.time = now;
event->key.state = 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;
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;
if(ioctl(retval->fd, KDSKBMODE, K_RAW) < 0)
g_warning("K_RAW failed");
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, handle_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, 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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