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/*
* File: xembed.cc
*
* Copyright (C) 2009 Jorge Arellano Cid <jcid@dillo.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*/
#include <string.h>
#include <ctype.h>
#define FL_INTERNALS
#include <FL/Fl_Window.H>
#include <FL/Fl.H>
#include <FL/x.H>
#include "xembed.hh"
#ifdef X_PROTOCOL
typedef enum {
XEMBED_EMBEDDED_NOTIFY = 0,
XEMBED_WINDOW_ACTIVATE = 1,
XEMBED_WINDOW_DEACTIVATE = 2,
XEMBED_REQUEST_FOCUS = 3,
XEMBED_FOCUS_IN = 4,
XEMBED_FOCUS_OUT = 5,
XEMBED_FOCUS_NEXT = 6,
XEMBED_FOCUS_PREV = 7,
XEMBED_GRAB_KEY = 8,
XEMBED_UNGRAB_KEY = 9,
XEMBED_MODALITY_ON = 10,
XEMBED_MODALITY_OFF = 11,
} XEmbedMessageType;
void
Xembed::setXembedInfo(unsigned long flags)
{
unsigned long buffer[2];
Atom xembed_info_atom = XInternAtom (fl_display, "_XEMBED_INFO", false);
buffer[0] = 1;
buffer[1] = flags;
XChangeProperty (fl_display,
xid,
xembed_info_atom, xembed_info_atom, 32,
PropModeReplace,
(unsigned char *)buffer, 2);
}
void
Xembed::sendXembedEvent(uint32_t message) {
XClientMessageEvent xclient;
memset (&xclient, 0, sizeof (xclient));
xclient.window = xid;
xclient.type = ClientMessage;
xclient.message_type = XInternAtom (fl_display, "_XEMBED", false);
xclient.format = 32;
xclient.data.l[0] = fl_event_time;
xclient.data.l[1] = message;
XSendEvent(fl_display, xid, False, NoEventMask, (XEvent *)&xclient);
XSync(fl_display, False);
}
int
Xembed::handle(int e) {
if (e == FL_PUSH)
sendXembedEvent(XEMBED_REQUEST_FOCUS);
return Fl_Window::handle(e);
}
static int event_handler(int e, Fl_Window *w) {
Atom xembed_atom = XInternAtom (fl_display, "_XEMBED", false);
if (fl_xevent->type == ClientMessage) {
if (fl_xevent->xclient.message_type == xembed_atom) {
long message = fl_xevent->xclient.data.l[1];
switch (message) {
case XEMBED_WINDOW_ACTIVATE:
// Force a ConfigureNotify message so fltk can get the new
// coordinates after a move of the embedder window.
if (w)
w->resize(0,0, w->w(), w->h());
break;
case XEMBED_WINDOW_DEACTIVATE:
break;
default:
break;
}
}
}
return Fl::handle_(e, w);
}
// TODO: Implement more XEMBED support;
void Xembed::show() {
createInternal(xid);
setXembedInfo(1);
Fl::event_dispatch(event_handler);
Fl_Window::show();
}
void Xembed::createInternal(uint32_t parent) {
Fl_Window *window = this;
Colormap colormap = fl_colormap;
XSetWindowAttributes attr;
attr.border_pixel = 0;
attr.colormap = colormap;
attr.bit_gravity = 0; // StaticGravity;
int mask = CWBorderPixel|CWColormap|CWEventMask|CWBitGravity;
int W = window->w();
if (W <= 0) W = 1; // X don't like zero...
int H = window->h();
if (H <= 0) H = 1; // X don't like zero...
int X = window->x();
int Y = window->y();
attr.event_mask =
ExposureMask | StructureNotifyMask
| KeyPressMask | KeyReleaseMask | KeymapStateMask | FocusChangeMask
| ButtonPressMask | ButtonReleaseMask
| EnterWindowMask | LeaveWindowMask
| PointerMotionMask;
Fl_X::set_xid(window,
XCreateWindow(fl_display,
parent,
X, Y, W, H,
0, // borderwidth
fl_visual->depth,
InputOutput,
fl_visual->visual,
mask, &attr));
}
#else // X_PROTOCOL
void
Xembed::setXembedInfo(unsigned long flags) {};
void
Xembed::sendXembedEvent(uint32_t message) {};
int
Xembed::handle(int e) {
return Fl_Window::handle(e);
}
void
Xembed::show() {
Fl_Window::show();
}
#endif
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