Skip to content
This repository

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
branch: windows
Fetching contributors…

Cannot retrieve contributors at this time

file 244 lines (214 sloc) 6.421 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244
/* GTK - The GIMP Toolkit
* gtkxembed.c: Utilities for the XEMBED protocol
* Copyright (C) 2001, 2003, Red Hat, Inc.
*
* 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 "config.h"
#include <string.h>
#include "gtkmain.h"
#include "gtkprivate.h"
#include "gtkxembed.h"
#include "gtkdebug.h"


typedef struct _GtkXEmbedMessage GtkXEmbedMessage;

struct _GtkXEmbedMessage
{
  glong message;
  glong detail;
  glong data1;
  glong data2;
  guint32 time;
};

static GSList *current_messages;


/**
* _gtk_xembed_push_message:
* @xevent: a XEvent
*
* Adds a client message to the stack of current XEMBED events.
**/
void
_gtk_xembed_push_message (XEvent *xevent)
{
  GtkXEmbedMessage *message = g_slice_new (GtkXEmbedMessage);
  
  message->time = xevent->xclient.data.l[0];
  message->message = xevent->xclient.data.l[1];
  message->detail = xevent->xclient.data.l[2];
  message->data1 = xevent->xclient.data.l[3];
  message->data2 = xevent->xclient.data.l[4];

  current_messages = g_slist_prepend (current_messages, message);
}

/**
* _gtk_xembed_pop_message:
*
* Removes an event added with _gtk_xembed_push_message()
**/
void
_gtk_xembed_pop_message (void)
{
  GtkXEmbedMessage *message = current_messages->data;
  current_messages = g_slist_delete_link (current_messages, current_messages);
  g_slice_free (GtkXEmbedMessage, message);
}

/**
* _gtk_xembed_set_focus_wrapped:
*
* Sets a flag indicating that the current focus sequence wrapped
* around to the beginning of the ultimate toplevel.
**/
void
_gtk_xembed_set_focus_wrapped (void)
{
  GtkXEmbedMessage *message;
  
  g_return_if_fail (current_messages != NULL);
  message = current_messages->data;
  g_return_if_fail (message->message == XEMBED_FOCUS_PREV || message->message == XEMBED_FOCUS_NEXT);
  
  message->data1 |= XEMBED_FOCUS_WRAPAROUND;
}

/**
* _gtk_xembed_get_focus_wrapped:
*
* Gets whether the current focus sequence has wrapped around
* to the beginning of the ultimate toplevel.
*
* Return value: %TRUE if the focus sequence has wrapped around.
**/
gboolean
_gtk_xembed_get_focus_wrapped (void)
{
  GtkXEmbedMessage *message;
  
  g_return_val_if_fail (current_messages != NULL, FALSE);
  message = current_messages->data;

  return (message->data1 & XEMBED_FOCUS_WRAPAROUND) != 0;
}

static guint32
gtk_xembed_get_time (void)
{
  if (current_messages)
    {
      GtkXEmbedMessage *message = current_messages->data;
      return message->time;
    }
  else
    return gtk_get_current_event_time ();
}

/**
* _gtk_xembed_send_message:
* @recipient: (allow-none): window to which to send the window, or %NULL
* in which case nothing will be sent
* @message: type of message
* @detail: detail field of message
* @data1: data1 field of message
* @data2: data2 field of message
*
* Sends a generic XEMBED message to a particular window.
**/
void
_gtk_xembed_send_message (GdkWindow *recipient,
XEmbedMessageType message,
glong detail,
glong data1,
glong data2)
{
  GdkDisplay *display;
  XClientMessageEvent xclient;

  if (!recipient)
    return;

  g_return_if_fail (GDK_IS_WINDOW (recipient));

  display = gdk_window_get_display (recipient);
  GTK_NOTE (PLUGSOCKET,
g_message ("Sending %s", _gtk_xembed_message_name (message)));

  memset (&xclient, 0, sizeof (xclient));
  xclient.window = GDK_WINDOW_XID (recipient);
  xclient.type = ClientMessage;
  xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED");
  xclient.format = 32;
  xclient.data.l[0] = gtk_xembed_get_time ();
  xclient.data.l[1] = message;
  xclient.data.l[2] = detail;
  xclient.data.l[3] = data1;
  xclient.data.l[4] = data2;

  gdk_error_trap_push ();
  XSendEvent (GDK_WINDOW_XDISPLAY(recipient),
GDK_WINDOW_XID (recipient),
False, NoEventMask, (XEvent *)&xclient);
  gdk_error_trap_pop_ignored ();
}

/**
* _gtk_xembed_send_focus_message:
* @recipient: (allow-none): window to which to send the window, or %NULL
* in which case nothing will be sent
* @message: type of message
* @detail: detail field of message
*
* Sends a XEMBED message for moving the focus along the focus
* chain to a window. The flags field that these messages share
* will be correctly filled in.
**/
void
_gtk_xembed_send_focus_message (GdkWindow *recipient,
XEmbedMessageType message,
glong detail)
{
  gulong flags = 0;

  if (!recipient)
    return;
  
  g_return_if_fail (GDK_IS_WINDOW (recipient));
  g_return_if_fail (message == XEMBED_FOCUS_IN ||
message == XEMBED_FOCUS_NEXT ||
message == XEMBED_FOCUS_PREV);

  if (current_messages)
    {
      GtkXEmbedMessage *message = current_messages->data;
      switch (message->message)
{
case XEMBED_FOCUS_IN:
case XEMBED_FOCUS_NEXT:
case XEMBED_FOCUS_PREV:
flags = message->data1 & XEMBED_FOCUS_WRAPAROUND;
break;
default:
break;
}
    }

  _gtk_xembed_send_message (recipient, message, detail, flags, 0);
}

const char *
_gtk_xembed_message_name (XEmbedMessageType message)
{
  static char unk[24];
  
  switch (message)
    {
#define CASE(x) case XEMBED_##x: return "XEMBED_"#x
      CASE (EMBEDDED_NOTIFY);
      CASE (WINDOW_ACTIVATE);
      CASE (WINDOW_DEACTIVATE);
      CASE (REQUEST_FOCUS);
      CASE (FOCUS_IN);
      CASE (FOCUS_OUT);
      CASE (FOCUS_NEXT);
      CASE (FOCUS_PREV);
      CASE (GRAB_KEY);
      CASE (UNGRAB_KEY);
      CASE (MODALITY_ON);
      CASE (MODALITY_OFF);
      CASE (GTK_GRAB_KEY);
      CASE (GTK_UNGRAB_KEY);
#undef CASE
    default:
      snprintf (unk, 24, "UNKNOWN(%d)", message);
      return unk;
    }
}
Something went wrong with that request. Please try again.