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/*
* Matchbox Keyboard - A lightweight software keyboard.
*
* Authored By Matthew Allum <mallum@o-hand.com>
* Tomas Frydrych <tomas@sleepfive.com>
*
* Copyright (c) 2005-2012 Intel Corp
* Copyright (c) 2012 Vernier Software & Technology
*
* SPDX-License-Identifier: LGPL-2.1
*
*/
#include "matchbox-keyboard.h"
#define MAX_SUPPORTED_XEMBED_VERSION 1
#define XEMBED_MAPPED (1 << 0)
/* XEMBED messages */
#define XEMBED_EMBEDDED_NOTIFY 0
#define XEMBED_WINDOW_ACTIVATE 1
#define XEMBED_WINDOW_DEACTIVATE 2
#define XEMBED_REQUEST_FOCUS 3
#define XEMBED_FOCUS_IN 4
#define XEMBED_FOCUS_OUT 5
#define XEMBED_FOCUS_NEXT 6
#define XEMBED_FOCUS_PREV 7
/* 8-9 were used for XEMBED_GRAB_KEY/XEMBED_UNGRAB_KEY */
#define XEMBED_MODALITY_ON 10
#define XEMBED_MODALITY_OFF 11
#define XEMBED_REGISTER_ACCELERATOR 12
#define XEMBED_UNREGISTER_ACCELERATOR 13
#define XEMBED_ACTIVATE_ACCELERATOR 14
static Atom Atom_XEMBED; /* FIXME: put array of atoms in UI struct */
static Atom Atom_WM_DELETE_WINDOW;
static Atom Atom_WM_PROTOCOLS;
static void
mb_kbd_xembed_set_win_info (MBKeyboardUI *ui, int flags)
{
CARD32 list[2];
Atom atom_ATOM_XEMBED_INFO;
atom_ATOM_XEMBED_INFO
= XInternAtom(mb_kbd_ui_x_display(ui), "_XEMBED_INFO", False);
list[0] = MAX_SUPPORTED_XEMBED_VERSION;
list[1] = flags;
XChangeProperty (mb_kbd_ui_x_display(ui),
mb_kbd_ui_x_win(ui),
atom_ATOM_XEMBED_INFO,
atom_ATOM_XEMBED_INFO, 32,
PropModeReplace, (unsigned char *) list, 2);
}
static Bool
mb_kbd_xembed_send_message (MBKeyboardUI *ui,
Window w,
long message,
long detail,
long data1,
long data2)
{
XEvent ev;
memset(&ev, 0, sizeof(ev));
ev.xclient.type = ClientMessage;
ev.xclient.window = w;
ev.xclient.message_type = Atom_XEMBED;
ev.xclient.format = 32;
ev.xclient.data.l[0] = CurrentTime; /* FIXME: Is this correct */
ev.xclient.data.l[1] = message;
ev.xclient.data.l[2] = detail;
ev.xclient.data.l[3] = data1;
ev.xclient.data.l[4] = data2;
util_trap_x_errors();
XSendEvent(mb_kbd_ui_x_display(ui), w, False, NoEventMask, &ev);
XSync(mb_kbd_ui_x_display(ui), False);
if (util_untrap_x_errors())
return False;
return True;
}
void
mb_kbd_xembed_init (MBKeyboardUI *ui)
{
/* FIXME: Urg global */
Atom_XEMBED = XInternAtom(mb_kbd_ui_x_display(ui), "_XEMBED", False);
Atom_WM_DELETE_WINDOW =
XInternAtom(mb_kbd_ui_x_display(ui), "WM_DELETE_WINDOW", False);
Atom_WM_PROTOCOLS =
XInternAtom(mb_kbd_ui_x_display(ui), "WM_PROTOCOLS", False);
mb_kbd_xembed_set_win_info (ui, 0);
}
void
mb_kbd_xembed_process_xevents (MBKeyboardUI *ui, XEvent *xevent)
{
switch (xevent->type)
{
case MapNotify:
DBG("### got Mapped ###");
break;
case ClientMessage:
if (xevent->xclient.message_type == Atom_XEMBED)
{
switch (xevent->xclient.data.l[1])
{
case XEMBED_EMBEDDED_NOTIFY:
/* We are now reparented. Call the repaint.
* note, 'data1' ( see spec ) is is embedders window
*/
DBG("### got XEMBED_EMBEDDED_NOTIFY ###");
mb_kbd_ui_set_x_embedder (ui, xevent->xclient.data.l[3]);
/* FIXME: we really want to know what our final
* size will be before mapping as this can
* look ugly when window is mapped then a
* load of resizes.
* Maybe fixible in GTK calling code ?
*/
mb_kbd_ui_redraw(ui);
XSync(mb_kbd_ui_x_display(ui), False);
/* And please Map us */
mb_kbd_xembed_set_win_info (ui, XEMBED_MAPPED);
/*
* The above should get us mapped, but there is a bug in GtkSocket
* where the map is supposed to happen during the widget
* allocation, but that gets short circuited if the widget size
* does not change ... this happens to us, because we go into
* great length in NgiKeyboard to avoid unsightly resizing of the
* kbd window ... so we take the liberty of mapping ourselves,
* since now we are already reparented.
*/
XMapWindow (mb_kbd_ui_x_display(ui), mb_kbd_ui_x_win (ui));
break;
case XEMBED_WINDOW_ACTIVATE:
/* FIXME: What to do here */
DBG("### got XEMBED_WINDOW_ACTIVATE ###");
break;
case XEMBED_WINDOW_DEACTIVATE:
/* FIXME: What to do here ? unmap or exit */
DBG("### got XEMBED_WINDOW_DEACTIVATE ###");
break;
case XEMBED_FOCUS_OUT:
DBG("### got XEMBED_FOCUS_OUT ###");
break;
case XEMBED_FOCUS_IN:
DBG("### got XEMBED_FOCUS_IN ###");
/*
* Please never give us key focus...
*/
if (mb_kbd_ui_x_embedder (ui))
mb_kbd_xembed_send_message (ui,
mb_kbd_ui_x_embedder (ui),
XEMBED_FOCUS_NEXT,
0, 0, 0);
break; /* TODO: Modility + rest of spec ? */
}
}
else if (xevent->xclient.message_type == Atom_WM_PROTOCOLS)
{
if (xevent->xclient.data.l[0] == Atom_WM_DELETE_WINDOW)
{
exit (0);
}
}
}
/* FIXME: Handle case of Embedder dieing ( Xfixes call ) ? */
}
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