aseprite/src/jinete/jmessage.cpp
2009-07-12 20:29:16 +00:00

157 lines
4.1 KiB
C++

/* Jinete - a GUI library
* Copyright (C) 2003-2009 David Capello.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of the author nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include <allegro/keyboard.h>
#include <string.h>
#include <assert.h>
#include "jinete/jlist.h"
#include "jinete/jmanager.h"
#include "jinete/jmessage.h"
#include "jinete/jrect.h"
#include "jinete/jwidget.h"
static int registered_messages = JM_REGISTERED_MESSAGES;
int ji_register_message_type()
{
return registered_messages++;
}
JMessage jmessage_new(int type)
{
JMessage msg;
msg = jnew0(union jmessage, 1);
if (!msg)
return NULL;
msg->type = type;
msg->any.widgets = jlist_new();
msg->any.shifts = key_shifts & (KB_SHIFT_FLAG | KB_CTRL_FLAG | KB_ALT_FLAG);
/* printf("type=%02d ", type); */
/* if (key_shifts & KB_SHIFT_FLAG) */
/* printf("KB_SHIFT_FLAG "); */
/* if (key_shifts & KB_CTRL_FLAG) */
/* printf("KB_CTRL_FLAG "); */
/* if (key_shifts & KB_ALT_FLAG) */
/* printf("KB_ALT_FLAG "); */
/* printf("\n"); */
return msg;
}
JMessage jmessage_new_key_related(int type, int readkey_value)
{
JMessage msg = jmessage_new(type);
msg->key.scancode = (readkey_value >> 8) & 0xff;
msg->key.ascii = readkey_value & 0xff;
msg->key.repeat = 0;
msg->key.propagate_to_children = FALSE;
msg->key.propagate_to_parent = TRUE;
#if 0
printf("%i: %i %i [%c]\n", type, msg->key.scancode,
msg->key.ascii, msg->key.ascii);
#endif
return msg;
}
JMessage jmessage_new_copy(const JMessage msg)
{
JMessage copy;
assert(msg != NULL);
copy = jnew(union jmessage, 1);
if (!copy)
return NULL;
memcpy(copy, msg, sizeof(union jmessage));
copy->any.widgets = jlist_copy(msg->any.widgets);
copy->any.used = FALSE;
return copy;
}
void jmessage_free(JMessage msg)
{
assert(msg != NULL);
jlist_free(msg->any.widgets);
jfree(msg);
}
void jmessage_add_dest(JMessage msg, JWidget widget)
{
assert(msg != NULL);
assert_valid_widget(widget);
jlist_append(msg->any.widgets, widget);
}
void jmessage_add_pre_dest(JMessage msg, JWidget widget)
{
assert(msg != NULL);
assert_valid_widget(widget);
jlist_prepend(msg->any.widgets, widget);
}
void jmessage_broadcast_to_children(JMessage msg, JWidget widget)
{
JLink link;
assert(msg != NULL);
assert_valid_widget(widget);
JI_LIST_FOR_EACH(widget->children, link)
jmessage_broadcast_to_children(msg, reinterpret_cast<JWidget>(link->data));
jmessage_add_dest(msg, widget);
}
void jmessage_broadcast_to_parents(JMessage msg, JWidget widget)
{
assert(msg != NULL);
assert_valid_widget(widget);
if (widget && widget->type != JI_MANAGER) {
jmessage_add_dest(msg, widget);
jmessage_broadcast_to_parents(msg, jwidget_get_parent(widget));
}
}