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/*
DB Mixer
========
Description:
a DJ Mixer style GUI interface to the DBMix system.
Copyright (c) 1999, 2000 Robert Michael S Dean
Author: Robert Michael S Dean
Version: 1.0
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public Licensse 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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <limits.h>
#include <fcntl.h>
#include <signal.h>
#include <gtk/gtk.h>
#include <sys/shm.h>
#include <dbchannel.h>
#include <dbaudiolib.h>
#include <dbdebug.h>
#include <dbsoundcard.h>
#include "dbmixer.h"
static const char * red_data[] = {
"16 16 3 1",
" c None",
". c #000000000000",
"X c #FFFF00000000",
"................",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
"................"};
static const char * green_data[] = {
"16 16 3 1",
" c None",
". c #000000000000",
"X c #0000FFFF0000",
"................",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
".XXXXXXXXXXXXXX.",
"................"};
#define CLIPPING_LIGHT_WIDTH 16
#define CLIPPING_LIGHT_HEIGHT 16
#define CLIPPING_CLEANUP_COUNT 1000 / CLIPPING_INTERVAL
static GtkWidget * clipping_drawing_area;
static GdkPixmap * red_light = NULL;
static GdkPixmap * green_light = NULL;
static GdkPixmap * clipping_light = NULL;
GdkBitmap * mask;
extern dbfsd_data *sysdata;
int clip_count = 0;
int clipping_light_callback(gpointer * data)
{
if (sysdata->clipping >= sysdata->clipping_threshold)
{
Clipping_Light_Toggle(1);
sysdata->clipping = 0;
}
else
{
Clipping_Light_Toggle(0);
}
return TRUE;
}
/* Create a new backing pixmap of the appropriate size */
static gint clipping_configure_event(GtkWidget *widget,
GdkEventConfigure *event)
{
GtkStyle* style;
if (red_light)
gdk_pixmap_unref(red_light);
if (green_light)
gdk_pixmap_unref(green_light);
style = gtk_widget_get_style(widget);
red_light = gdk_pixmap_create_from_xpm_d(widget->window, &mask,
&style->bg[GTK_STATE_NORMAL],
(gchar **)red_data);
green_light = gdk_pixmap_create_from_xpm_d(widget->window, &mask,
&style->bg[GTK_STATE_NORMAL],
(gchar **)green_data);
clipping_light = green_light;
return TRUE;
}
/* Redraw the screen from the backing pixmap */
static gint clipping_expose_event(GtkWidget *widget,
GdkEventExpose *event)
{
gdk_draw_pixmap(widget->window,
widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
clipping_light,
event->area.x, event->area.y,
event->area.x, event->area.y,
event->area.width, event->area.height);
return FALSE;
}
void Clipping_Light_Toggle(gint draw_red)
{
GdkRectangle update_rect;
GDK_THREADS_ENTER();
if (draw_red)
{
clipping_light = red_light;
}
else
{
clipping_light = green_light;
}
update_rect.x = 0;
update_rect.y = 0;
update_rect.width = CLIPPING_LIGHT_WIDTH;
update_rect.height = CLIPPING_LIGHT_HEIGHT;
/* gdk_draw_pixmap(clipping_drawing_area->window, */
/* clipping_drawing_area->style->fg_gc[GTK_WIDGET_STATE (clipping_drawing_area)], */
/* clipping_light, */
/* 0, 0, */
/* 0, 0, */
/* CLIPPING_LIGHT_WIDTH, CLIPPING_LIGHT_HEIGHT); */
gtk_widget_draw(clipping_drawing_area,&update_rect);
while (gtk_events_pending()) gtk_main_iteration();
/* gdk_flush(); */
GDK_THREADS_LEAVE();
}
GtkWidget * Create_Clipping_Light(GtkWidget * w)
{
GtkWidget * label;
GtkWidget * box;
box = gtk_hbox_new(FALSE,0);
gtk_widget_show(box);
/* create clipping label */
label = (GtkWidget *)gtk_label_new("Clipping:");
gtk_widget_show(GTK_WIDGET(label));
gtk_box_pack_start(GTK_BOX(box),label,
FALSE,FALSE,0);
/* create clipping drawing aread */
clipping_drawing_area = gtk_drawing_area_new();
gtk_drawing_area_size(GTK_DRAWING_AREA(clipping_drawing_area),16,16);
gtk_box_pack_start(GTK_BOX(box),clipping_drawing_area,FALSE,FALSE,5);
gtk_widget_show(clipping_drawing_area);
/* setup drawing area signals */
gtk_signal_connect (GTK_OBJECT (clipping_drawing_area), "expose_event",
(GtkSignalFunc) clipping_expose_event, NULL);
gtk_signal_connect (GTK_OBJECT(clipping_drawing_area),"configure_event",
(GtkSignalFunc) clipping_configure_event, NULL);
gtk_widget_set_events (clipping_drawing_area, GDK_EXPOSURE_MASK);
return box;
}
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