src/gtk/interface.c

   1 /* nekobee DSSI software synthesizer GUI
   2  *
   3  * Copyright (C) 2004 Sean Bolton
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation; either version 2 of
   8  * the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be
  11  * useful, but WITHOUT ANY WARRANTY; without even the implied
  12  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  13  * PURPOSE.  See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public
  16  * License along with this program; if not, write to the Free
  17  * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  18  * MA 02111-1307, USA.
  19  */
  20
  21 #ifdef HAVE_CONFIG_H
  22 #  include <config.h>
  23 #endif
  24
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gtk/gtk.h>
  30 #include "knob.h"
  31 #include "slider.h"
  32
  33 #include "nekobee.h"
  34 #include "nekobee_ports.h"
  35 #include "nekobee_synth.h"
  36 #include "callbacks.h"
  37 #include "interface.h"
  38
  39 GtkWidget *main_window;
  40 GtkWidget *save_file_selection;
  41
  42 GtkWidget *osc1_waveform_pixmap;
  43
  44 GtkObject *tuning_adj;
  45 GtkObject *polyphony_adj;
  46 GtkWidget *monophonic_option_menu;
  47 GtkWidget *glide_option_menu;
  48 GtkObject *bendrange_adj;
  49
  50 GtkObject *voice_widget[XSYNTH_PORTS_COUNT];
  51
  52 #if GTK_CHECK_VERSION(2, 0, 0)
  53 #define GTK20SIZEGROUP  GtkSizeGroup
  54 #else
  55 #define GTK20SIZEGROUP  gpointer
  56 #endif
  57
  58 static void
  59 create_voice_knob(GtkWidget *main_window, int index, GtkWidget *fixed,
  60                     gint column, gint row, const char *text)
  61 {
  62     GtkWidget *knob;
  63     GtkObject *adjustment;
  64
  65     adjustment = gtk_adjustment_new (0, 0, 10, 0.005, 1, 0);
  66     voice_widget[index] = adjustment;
  67
  68     knob = gtk_knob_new (GTK_ADJUSTMENT (adjustment));
  69
  70     // gjcp - FIXME horrible one-off to add the tuning knob
  71     if (index == XSYNTH_PORT_TUNING) GTK_KNOB(knob)->knobtype=1;
  72
  73     gtk_widget_ref (knob);
  74     gtk_object_set_data_full (GTK_OBJECT (main_window), text, knob,
  75                               (GtkDestroyNotify) gtk_widget_unref);
  76
  77     gtk_widget_show (knob);
  78     gtk_fixed_put (GTK_FIXED (fixed), knob, column, row);
  79 }
  80
  81 static void
  82 create_voice_slider(GtkWidget *main_window, int index, GtkWidget *fixed,
  83                     gint column, gint row, const char *text)
  84 {
  85     GtkWidget *knob;
  86     GtkObject *adjustment;
  87
  88     adjustment = gtk_adjustment_new (0, 0, 10, 0.005, 1, 0);
  89     voice_widget[index] = adjustment;
  90
  91     knob = gtk_slider_new (GTK_ADJUSTMENT (adjustment));
  92
  93     gtk_widget_ref (knob);
  94     gtk_object_set_data_full (GTK_OBJECT (main_window), text, knob,
  95                               (GtkDestroyNotify) gtk_widget_unref);
  96     gtk_widget_show (knob);
  97         gtk_fixed_put (GTK_FIXED (fixed), knob, column, row);
  98 }
  99
 100
 101
 102 void
 103 create_main_window (const char *tag)
 104 {
 105   GtkWidget *fixed;
 106   GtkStyle *bg_style;
 107   GdkPixbuf  *bg_buf;
 108   GdkPixmap  *bg_map = NULL;
 109
 110   int i;
 111
 112   main_window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 113   gtk_object_set_data (GTK_OBJECT (main_window), "main_window", main_window);
 114   gtk_window_set_title (GTK_WINDOW (main_window), tag);
 115
 116   // gjcp - FIXME - put these somewhere in a header
 117   gtk_widget_set_size_request (main_window, 600, 108);
 118   gtk_window_set_default_size (GTK_WINDOW (main_window), 600, 108);
 119   gtk_window_set_resizable (GTK_WINDOW (main_window), FALSE);
 120
 121   gtk_widget_realize(main_window);  /* window must be realized for create_*_pixmap() */
 122
 123   // load the background up
 124   bg_buf = gdk_pixbuf_new_from_file(INSTALL_DIR"/bg.png", NULL );
 125   gdk_pixbuf_render_pixmap_and_mask(bg_buf, &bg_map, NULL, 255);
 126   bg_style = gtk_style_copy(gtk_widget_get_style(main_window));
 127   bg_style->bg_pixmap[GTK_STATE_NORMAL] = bg_map;
 128   gtk_widget_set_style(main_window, bg_style);
 129
 130   // rather than the table layout I'm going to use fixed
 131   fixed = gtk_fixed_new ();
 132   gtk_widget_show (fixed);
 133   gtk_container_add (GTK_CONTAINER (main_window), fixed);
 134
 135
 136   /* Patch Edit tab */
 137   for (i = 0; i < XSYNTH_PORTS_COUNT; i++) voice_widget[i] = NULL;
 138
 139     // tuning can go from -12 to +12, so needs special poking
 140         create_voice_knob(main_window, XSYNTH_PORT_TUNING, fixed, 26, 46, "Tuning");
 141
 142     GTK_ADJUSTMENT(voice_widget[XSYNTH_PORT_TUNING])->lower = -12.0f;
 143         GTK_ADJUSTMENT(voice_widget[XSYNTH_PORT_TUNING])->upper = 12.0f;
 144
 145     gtk_adjustment_changed (GTK_ADJUSTMENT(voice_widget[XSYNTH_PORT_TUNING]));
 146
 147         // wave switch also needs special poking
 148     create_voice_slider(main_window, XSYNTH_PORT_WAVEFORM, fixed, 116, 43, "Waveform");
 149         GTK_ADJUSTMENT(voice_widget[XSYNTH_PORT_WAVEFORM])->upper = 1.0f;
 150         GTK_ADJUSTMENT(voice_widget[XSYNTH_PORT_WAVEFORM])->step_increment = 1.0f;
 151         gtk_adjustment_changed (GTK_ADJUSTMENT(voice_widget[XSYNTH_PORT_WAVEFORM]));
 152
 153     create_voice_knob(main_window, XSYNTH_PORT_CUTOFF, fixed, 170, 46, "Cutoff");
 154     create_voice_knob(main_window, XSYNTH_PORT_RESONANCE, fixed, 242, 46, "Resonance");
 155     create_voice_knob(main_window, XSYNTH_PORT_ENVMOD, fixed, 314, 46, "Envmod");
 156     create_voice_knob(main_window, XSYNTH_PORT_DECAY, fixed, 386, 46, "Decay");
 157     create_voice_knob(main_window, XSYNTH_PORT_ACCENT, fixed, 458, 46, "Accent");
 158     create_voice_knob(main_window, XSYNTH_PORT_VOLUME, fixed, 530, 46, "Volume");
 159
 160     gtk_signal_connect(GTK_OBJECT(main_window), "destroy",
 161                        GTK_SIGNAL_FUNC(gtk_main_quit), NULL);
 162     gtk_signal_connect (GTK_OBJECT (main_window), "delete_event",
 163                         (GtkSignalFunc)on_delete_event_wrapper,
 164                         (gpointer)on_menu_quit_activate);
 165
 166
 167     /* connect patch edit widgets */
 168     gtk_signal_connect (GTK_OBJECT (voice_widget[XSYNTH_PORT_TUNING]),
 169                        "value_changed", GTK_SIGNAL_FUNC(on_voice_slider_change),
 170                        (gpointer)XSYNTH_PORT_TUNING);
 171     gtk_signal_connect (GTK_OBJECT (voice_widget[XSYNTH_PORT_WAVEFORM]),
 172                        "value_changed", GTK_SIGNAL_FUNC(on_voice_slider_change),
 173                        (gpointer)XSYNTH_PORT_WAVEFORM);
 174     gtk_signal_connect (GTK_OBJECT (voice_widget[XSYNTH_PORT_CUTOFF]),
 175                         "value_changed", GTK_SIGNAL_FUNC (on_voice_slider_change),
 176                         (gpointer)XSYNTH_PORT_CUTOFF);
 177     gtk_signal_connect (GTK_OBJECT (voice_widget[XSYNTH_PORT_RESONANCE]),
 178                         "value_changed", GTK_SIGNAL_FUNC(on_voice_slider_change),
 179                         (gpointer)XSYNTH_PORT_RESONANCE);
 180
 181     gtk_signal_connect (GTK_OBJECT (voice_widget[XSYNTH_PORT_ENVMOD]),
 182                         "value_changed", GTK_SIGNAL_FUNC(on_voice_slider_change),
 183                         (gpointer)XSYNTH_PORT_ENVMOD);
 184     gtk_signal_connect (GTK_OBJECT (voice_widget[XSYNTH_PORT_DECAY]),
 185                         "value_changed", GTK_SIGNAL_FUNC(on_voice_slider_change),
 186                         (gpointer)XSYNTH_PORT_DECAY);
 187     gtk_signal_connect (GTK_OBJECT (voice_widget[XSYNTH_PORT_ACCENT]),
 188                         "value_changed", GTK_SIGNAL_FUNC(on_voice_slider_change),
 189                         (gpointer)XSYNTH_PORT_ACCENT);
 190     gtk_signal_connect (GTK_OBJECT (voice_widget[XSYNTH_PORT_VOLUME]),
 191                         "value_changed", GTK_SIGNAL_FUNC(on_voice_slider_change),
 192                         (gpointer)XSYNTH_PORT_VOLUME);
 193 }
 194
 195 void
 196 create_windows(const char *instance_tag)
 197 {
 198     char tag[50];
 199
 200     /* build a nice identifier string for the window titles */
 201     if (strlen(instance_tag) == 0) {
 202         strcpy(tag, "nekobee");
 203     } else if (strstr(instance_tag, "nekobee-DSSI") ||
 204                strstr(instance_tag, "nekobee-dssi")) {
 205         if (strlen(instance_tag) > 49) {
 206             snprintf(tag, 50, "...%s", instance_tag + strlen(instance_tag) - 46); /* hope the unique info is at the end */
 207         } else {
 208             strcpy(tag, instance_tag);
 209         }
 210     } else {
 211         if (strlen(instance_tag) > 37) {
 212             snprintf(tag, 50, "nekobee ...%s", instance_tag + strlen(instance_tag) - 34);
 213         } else {
 214             snprintf(tag, 50, "nekobee %s", instance_tag);
 215         }
 216     }
 217
 218     create_main_window(tag);
 219 }