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/*
* Matchbox Keyboard - A lightweight software keyboard.
*
* Authored By Matthew Allum <mallum@o-hand.com>
*
* Copyright (c) 2005 OpenedHand Ltd - http://o-hand.com
*
* SPDX-License-Identifier: LGPL-2.1
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "matchbox-keyboard.h"
/*
* These are located in matchbox-keyboard.c
*/
extern Display *mb_xdpy;
extern int mb_xscreen;
extern Window mb_xroot;
/*
* X Event processing.
*/
static boolean
get_xevent_timed (Display *dpy, XEvent *event_return, struct timeval *tv)
{
if (tv->tv_usec == 0 && tv->tv_sec == 0)
{
XNextEvent(dpy, event_return);
return True;
}
XFlush(dpy);
if (XPending(dpy) == 0)
{
int fd = ConnectionNumber(dpy);
fd_set readset;
FD_ZERO(&readset);
FD_SET(fd, &readset);
if (select(fd+1, &readset, NULL, NULL, tv) == 0)
return False;
else
{
XNextEvent(dpy, event_return);
return True;
}
} else {
XNextEvent(dpy, event_return);
return True;
}
}
static void
mb_kbd_event_loop (MBKeyboardUI *ui)
{
MBKeyboardKey *key = NULL;
struct timeval tvt;
Display *xdpy = mb_kbd_ui_x_display (ui);
MBKeyboard* kbd = mb_kbd_ui_kbd (ui);
Window xroot = mb_kbd_ui_x_win_root (ui);
Window xwin = mb_kbd_ui_x_win (ui);
int xwin_height = mb_kbd_ui_x_win_height (ui);
int xwin_width = mb_kbd_ui_x_win_width (ui);
/* Key repeat - values for standard xorg install ( xset q) */
int repeat_delay = 100 * 10000;
int repeat_rate = 30 * 1000;
int hide_delay = 100 * 1000;
int to_hide = 0;
int press_x = 0, press_y = 0;
tvt.tv_sec = 0;
tvt.tv_usec = repeat_delay;
while (True)
{
XEvent xev;
if (get_xevent_timed (xdpy, &xev, &tvt))
{
switch (xev.type)
{
case ButtonPress:
press_x = xev.xbutton.x; press_y = xev.xbutton.y;
DBG("got button press at %i,%i (%i,%i)",
xev.xbutton.x, xev.xbutton.y,
xev.xbutton.x_root, xev.xbutton.y_root);
key = mb_kbd_locate_key(kbd, xev.xbutton.x, xev.xbutton.y);
if (key)
{
/* Hack if we never get a release event */
if (key != mb_kbd_get_held_key(kbd))
{
mb_kbd_key_release(kbd, True);
tvt.tv_usec = repeat_delay;
}
else
tvt.tv_usec = repeat_rate;
DBG("found key for press");
mb_kbd_key_press(key);
mb_kbd_show_popup (kbd, key,
xev.xbutton.x_root - xev.xbutton.x,
xev.xbutton.y_root - xev.xbutton.y);
}
break;
case ButtonRelease:
DBG("got button release at %i,%i (%i,%i)",
xev.xbutton.x, xev.xbutton.y,
xev.xbutton.x_root, xev.xbutton.y_root);
if (mb_kbd_get_held_key(kbd) != NULL)
{
Bool cancel = False;
key = mb_kbd_locate_key (kbd,
xev.xbutton.x, xev.xbutton.y);
if (key != mb_kbd_get_held_key(kbd))
cancel = True;
mb_kbd_key_release (kbd, cancel);
tvt.tv_usec = repeat_delay;
/* Gestures */
#if 0
/* FIXME: check time first */
if ( (press_x - xev.xbutton.x) > ui->key_uwidth )
{
/* <-- slide back ...backspace */
fakekey_press_keysym(ui->fakekey, XK_BackSpace, 0);
fakekey_repeat(ui->fakekey);
fakekey_release(ui->fakekey);
/* FIXME: add <-- --> <-- --> support */
}
else if ( (xev.xbutton.y - press_y) > ui->key_uheight )
{
/* V slide down ...return */
fakekey_press_keysym(ui->fakekey, XK_BackSpace, 0);
fakekey_release(ui->fakekey);
fakekey_press_keysym(ui->fakekey, XK_Return, 0);
fakekey_release(ui->fakekey);
}
#endif
/* TODO ^ caps support */
}
break;
case ConfigureNotify:
if (xev.xconfigure.window == xwin
&& (xev.xconfigure.width != xwin_width
|| xev.xconfigure.height != xwin_height))
{
mb_kbd_ui_handle_configure(ui,
xev.xconfigure.width,
xev.xconfigure.height);
}
if (xev.xconfigure.window == xroot)
mb_kbd_ui_update_display_size(ui);
break;
case MappingNotify:
fakekey_reload_keysyms(mb_kbd_ui_get_fakekey (ui));
XRefreshKeyboardMapping(&xev.xmapping);
break;
default:
break;
}
if (mb_kbd_ui_embeded (ui))
mb_kbd_xembed_process_xevents (ui, &xev);
if (mb_kbd_ui_is_daemon (ui))
{
switch (mb_kbd_remote_process_xevents (ui, &xev))
{
case MBKeyboardRemoteHide:
if (to_hide == 1) {
mb_kbd_ui_hide(ui);
}
tvt.tv_usec = hide_delay;
to_hide = 1;
break;
case MBKeyboardRemoteShow:
mb_kbd_ui_show(ui);
tvt.tv_usec = repeat_delay;
to_hide = 0;
break;
case MBKeyboardRemoteToggle:
to_hide = 0;
tvt.tv_usec = repeat_delay;
if (mb_kbd_ui_is_visible (ui))
mb_kbd_ui_hide(ui);
else
mb_kbd_ui_show(ui);
break;
case MBKeyboardRemoteNone:
if (to_hide == 1) {
mb_kbd_ui_hide(ui);
tvt.tv_usec = repeat_delay;
to_hide = 0;
}
break;
}
}
}
else
{
/* Hide timed out */
if (to_hide)
{
DBG("Hide timed out, calling mb_kbd_ui_hide");
mb_kbd_ui_hide(ui);
tvt.tv_usec = repeat_delay;
to_hide = 0;
}
/* Keyrepeat */
if (mb_kbd_get_held_key(kbd) != NULL)
{
fakekey_repeat(mb_kbd_ui_get_fakekey (ui));
tvt.tv_usec = repeat_rate;
}
}
}
}
int
main(int argc, char **argv)
{
MBKeyboard *kb;
if ((mb_xdpy = XOpenDisplay(getenv("DISPLAY"))) == NULL)
{
fprintf (stderr, "Cannot open display\n");
return 1;
}
mb_xscreen = DefaultScreen (mb_xdpy);
mb_xroot = RootWindow (mb_xdpy, mb_xscreen);
kb = mb_kbd_new (argc, argv, False, None, 0, 0, 0, 0);
if (!mb_kbd_ui_realize(kb->ui))
exit (1);
unless (mb_kbd_ui_embeded(kb->ui))
{
if (mb_kbd_ui_is_daemon (kb->ui))
{
/* Dont map daemon to begin with */
mb_kbd_remote_init (kb->ui);
}
else
{
mb_kbd_ui_show(kb->ui);
mb_kbd_ui_redraw(kb->ui);
}
}
else
{
mb_kbd_xembed_init (kb->ui);
mb_kbd_ui_print_window (kb->ui);
}
if (kb)
mb_kbd_event_loop (kb->ui);
mb_kbd_destroy (kb);
return 0;
}
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