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#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <fltk/Window.h>
#include <fltk/x11.h>
#include <fltk/run.h>
#include <fltk/events.h>
#include <fltk/x.h>
#include "xembed.hh"
#if USE_X11
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 (fltk::xdisplay, "_XEMBED_INFO", false);
buffer[0] = 1;
buffer[1] = flags;
XChangeProperty (fltk::xdisplay,
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 (fltk::xdisplay, "_XEMBED", false);
xclient.format = 32;
xclient.data.l[0] = fltk::event_time;
xclient.data.l[1] = message;
XSendEvent(fltk::xdisplay, xid, False, NoEventMask, (XEvent *)&xclient);
XSync(fltk::xdisplay, False);
}
int
Xembed::handle(int e) {
if (e == fltk::PUSH)
sendXembedEvent(XEMBED_REQUEST_FOCUS);
return Window::handle(e);
}
static int event_handler(int e, fltk::Window *w) {
Atom xembed_atom = XInternAtom (fltk::xdisplay, "_XEMBED", false);
if (fltk::xevent.type == ClientMessage) {
if (fltk::xevent.xclient.message_type == xembed_atom) {
long message = fltk::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.
w->resize(0, 0, w->w(), w->h());
break;
case XEMBED_WINDOW_DEACTIVATE:
break;
default:
break;
}
}
}
return 0;
}
// TODO; Implement more XEMBED support;
void Xembed::create() {
createInternal(xid);
setXembedInfo(1);
fltk::add_event_handler(event_handler);
}
void Xembed::createInternal(uint32_t parent) {
fltk::Window *window = this;
Colormap colormap = fltk::xcolormap;
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;
fltk::CreatedWindow *x = fltk::CreatedWindow::set_xid(window,
XCreateWindow(fltk::xdisplay,
parent,
X, Y, W, H,
0, // borderwidth
fltk::xvisual->depth,
InputOutput,
fltk::xvisual->visual,
mask, &attr));
}
#else // USE_X11
void
Xembed::setXembedInfo(unsigned long flags) {};
void
Xembed::sendXembedEvent(uint32_t message) {};
int
Xembed::handle(int e) {
return Window::handle(e);
}
void
Xembed::create() {
Window::create();
}
#endif
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