dockapps/ascd/ascd/mixer_handlers.c

135 lines
4.2 KiB
C

/* ===========================================================================
* AScd: mixer_handlers.c
* mouse events <-> integrated commands with mixer module
* ===========================================================================
* Copyright (c) 1999 Denis Bourez and Rob Malda. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Denis Bourez & Rob Malda
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY DENIS BOUREZ 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 DENIS BOUREZ, ROB MALDA 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 "ext.h"
#ifdef MIXER
int check_mixer()
{
int fd;
if ((fd = open(mixer_device,0))) {
close(fd);
} else {
return FALSE;
}
return TRUE;
}
int getvol(int control)
{
int fd;
int status = 0;
if (mixer_ok) {
if ((fd = open(mixer_device,0))) {
ioctl(fd, MIXER_READ(control), &mixer_vol);
mixer_vol = mixer_vol >> 8;
close(fd);
return mixer_vol;
}
}
return 0;
}
void setvol(int control, int setto, int maximum)
{
int fd;
if (setto > maximum) setto = maximum;
if (setto < 0) setto = 0;
if ((fd = open(mixer_device, 0))) {
mixer_vol = ((float)setto / (float)maximum) * 100;
mixer_old = mixer_vol << 8;
mixer_vol = mixer_old | mixer_vol;
ioctl(fd, MIXER_WRITE(control), &mixer_vol);
close(fd);
}
}
void mixer_event_handle(int event, XEvent Event)
{
int value;
if (!mixer_ok) return;
switch (event) {
case FAK_MIXER_SET:
if ((thdata[but_current].xpm.attributes.width > 0) && (max_volume > 0)) {
if (thdata[but_current].type == FAK_MIXER_BAR) {
value = (int)((float)(Event.xbutton.x - thdata[but_current].x) / (float)thdata[but_current].xpm.attributes.width * 100.0);
} else if (thdata[but_current].type == FAK_VMIXER_BAR) {
value = (int)((float)(Event.xbutton.y - thdata[but_current].y) / (float)thdata[but_current].xpm.attributes.height * 100.0);
} else {
value = (int)((float)(Event.xbutton.y - thdata[but_current].y) / (float)thdata[but_current].xpm.attributes.height * 100.0);
value = 100 - value;
}
setvol(thdata[but_current].arg, value, 100);
redraw = TRUE;
fak_redraw();
}
break;
case FAK_MIXER_0:
setvol(thdata[but_current].arg, 0, 100);
redraw = TRUE;
fak_redraw();
break;
case FAK_MIXER_50:
setvol(thdata[but_current].arg, 50, 100);
redraw = TRUE;
fak_redraw();
break;
case FAK_MIXER_75:
setvol(thdata[but_current].arg, 75, 100);
redraw = TRUE;
fak_redraw();
break;
case FAK_MIXER_100:
setvol(thdata[but_current].arg, 100, 100);
redraw = TRUE;
fak_redraw();
break;
default:
break;
}
redraw = TRUE;
fak_singlemask(but_current);
}
#endif