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// ----------------------------------------------------------------------------
//
// Copyright (C) 2010-2023 Fons Adriaensen <fons@linuxaudio.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 2 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
#include "button.h"
int PushButton::_keymod = 0;
int PushButton::_button = 0;
PushButton::PushButton (X_window *parent,
X_callback *cbobj,
int cbind,
XImage *image,
int xp,
int yp,
int xs,
int ys) :
X_window (parent, xp, yp, xs, ys, 0),
_cbobj (cbobj),
_cbind (cbind),
_image (image),
_state (0),
_xs (xs),
_ys (ys)
{
x_add_events (ExposureMask | ButtonPressMask | ButtonReleaseMask);
}
PushButton::~PushButton (void)
{
}
void PushButton::init (X_display *disp)
{
}
void PushButton::fini (void)
{
}
void PushButton::handle_event (XEvent *E)
{
switch (E->type)
{
case Expose:
render ();
break;
case ButtonPress:
bpress ((XButtonEvent *) E);
break;
case ButtonRelease:
brelse ((XButtonEvent *) E);
break;
default:
fprintf (stderr, "PushButton: event %d\n", E->type );
}
}
void PushButton::bpress (XButtonEvent *E)
{
int r = 0;
if (E->button < 4)
{
_keymod = E->state;
_button = E->button;
r = handle_press ();
}
render ();
if (r) callback (r);
}
void PushButton::brelse (XButtonEvent *E)
{
int r = 0;
if (E->button < 4)
{
_keymod = E->state;
_button = E->button;
r = handle_relse ();
}
render ();
if (r) callback (r);
}
void PushButton::set_state (int s)
{
if (_state != s)
{
_state = s;
render ();
}
}
void PushButton::render (void)
{
XPutImage (dpy (), win (), dgc (), _image, 0, _state * _ys, 0, 0, _xs, _ys);
}
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