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// SPDX-License-Identifier: LGPL-2.1-or-later
/* SPDX-FileCopyrightText: 2006-2015 Simon Wunderlich <sw@simonwunderlich.de>
*/
#include <s3d.h>
#include <s3dw.h>
#include <s3dw_int.h>
#include <s3dlib.h>
#include <stdlib.h> /* malloc() */
#include <string.h> /* strdup() */
#include <errno.h>
s3dw_widget *s3dw_widget_new(s3dw_widget *widget)
{
widget->type = -1;
widget->x = widget->ax = 0;
widget->y = widget->ay = 0;
widget->z = widget->az = 0;
widget->rx = widget->arx = 0;
widget->ry = widget->ary = 0;
widget->rz = widget->arz = 0;
widget->s = widget->as = 1;
widget->width = 0;
widget->height = 0;
widget->nobj = 0;
widget->pobj = NULL;
widget->parent = NULL;
widget->ptr = NULL;
widget->focus = -1;
widget->flags = S3DW_ACTIVE;
widget->oid = -1;
return widget;
}
/* widget clicked, call specific function and check kids */
int s3dw_widget_event_click(s3dw_widget *widget, uint32_t oid)
{
int i;
s3dprintf(VLOW, "processing click event for widget %10p of type %d, oid %d (%d), subobjects: %d", (void*)widget, widget->type, widget->oid, oid, widget->nobj);
if (s3dwcb_click[widget->type](widget, oid)) return 1;
for (i = 0; i < widget->nobj; i++)
if (s3dw_widget_event_click(widget->pobj[i], oid)) return 1;
return 0;
}
/* widget received key,,call specific function and check (focused) kids */
int s3dw_widget_event_key(s3dw_widget *widget, struct s3d_key_event *keys)
{
if (s3dwcb_key[widget->type](widget, keys)) return 1;
if (widget->focus != -1)
if (s3dw_widget_event_key(widget->pobj[widget->focus], keys)) return 1;
return 0;
}
/* append an widget */
int s3dw_widget_append(s3dw_widget *parent, s3dw_widget *widget)
{
s3dw_widget **new;
parent->nobj++;
new = realloc(parent->pobj, sizeof(*new) * (parent->nobj));
if (!new)
return -ENOMEM;
parent->pobj = new;
parent->pobj[parent->nobj-1] = widget;
widget->parent = parent;
widget->style = parent->style;
if (!(parent->flags&S3DW_VISIBLE))
widget->flags |= S3DW_VISIBLE;
return 0;
}
/* removes an widget from it's parent, should have been appended before */
static void s3dw_widget_remove(s3dw_widget *widget)
{
s3dw_widget *parent = widget->parent;
int i, stackpos;
stackpos = s3dw_ani_stackpos(widget);
if (stackpos != -1)
s3dw_ani_del(stackpos);
if (parent == NULL) return;
for (i = 0; i < parent->nobj; i++) /* search ... */
if (parent->pobj[i] == widget) { /* ... and destroy */
if (parent->focus == i) parent->focus = -1;
if (parent->focus == (parent->nobj - 1)) parent->focus = i;
parent->pobj[i] = parent->pobj[parent->nobj-1]; /* swap last element to the to be deleted one */
parent->nobj--;
}
}
/** \brief delete widget
*
* Deletes any widget. Should be casted with S3DWIDGET().
*/
void s3dw_delete(s3dw_widget *widget)
{
s3dw_widget_remove(widget);
/* remove kids */
while (widget->nobj > 0) /* will decrease as child-delete will call s3dw_widget_remove() */
s3dw_delete(widget->pobj[0]);
free(widget->pobj);
s3dwcb_destroy[widget->type](widget); /* type-specific destroy */
}
/** \brief make widget visible
*
* Switches a widget visible. Should be casted with S3DWIDGET().
*/
void s3dw_show(s3dw_widget *widget)
{
widget->flags |= S3DW_VISIBLE;
s3dw_widget_visible(widget);
}
/** \brief give widget focus
*
* Gives focus to the widget, relative to its parent. That means you can focus a
* surface, and each surface can focus one of its element, e.g. an input field.
* Should be casted with S3DWIDGET().
*/
void s3dw_focus(s3dw_widget *focus)
{
int i;
for (i = 0; i < focus->parent->nobj; i++)
if (focus->parent->pobj[i] == focus) {
focus->parent->focus = i;
return;
}
}
/* show visible kids */
void s3dw_widget_visible(s3dw_widget *widget)
{
int i;
s3dw_widget *kid;
for (i = 0; i < widget->nobj; i++) {
kid = widget->pobj[i];
if (widget->flags&S3DW_VISIBLE)
s3dw_widget_visible(kid);
}
widget->flags |= S3DW_ONSCREEN;
s3dwcb_show[widget->type](widget);
}
/** \brief apply widgets moving function
*
* Moves/translates the widget as you specified in it's private s3dw_widget
* structure. Should be casted with S3DWIDGET().
*/
void s3dw_moveit(s3dw_widget *widget)
{
s3dw_ani_add(widget);
}
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