1 /*
2  * Copyright (C) 2002 2003 2004 2005 2006, Magnus Hjorth
3  *
4  * This file is part of mhWaveEdit.
5  *
6  * mhWaveEdit is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * mhWaveEdit is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with mhWaveEdit; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20 
21 
22 #include <config.h>
23 
24 #include "gettext.h"
25 
26 #include "mainwindow.h"
27 #include "mapchannelsdialog.h"
28 #include "effectbrowser.h"
29 #include "main.h"
30 
31 static GtkObjectClass *parent_class;
32 static gboolean *map_matrix = NULL;
33 
map_channels_dialog_apply_proc(Chunk * chunk,StatusBar * bar,gpointer user_data)34 static Chunk *map_channels_dialog_apply_proc(Chunk *chunk, StatusBar *bar,
35 					     gpointer user_data)
36 {
37      MapChannelsDialog *mcd = MAP_CHANNELS_DIALOG(user_data);
38      g_assert(mcd->channels_in == chunk->format.channels);
39      return chunk_remap_channels(chunk,mcd->channels_out,map_matrix,
40 				 dither_editing,bar);
41 }
42 
map_channels_dialog_apply(EffectDialog * ed)43 static gboolean map_channels_dialog_apply(EffectDialog *ed)
44 {
45      guint i,j;
46      gboolean b;
47 
48      Document *d = EFFECT_BROWSER(ed->eb)->dl->selected;
49      MapChannelsDialog *mcd = MAP_CHANNELS_DIALOG(ed);
50 
51      g_assert(mcd->channels_in == d->chunk->format.channels);
52 
53      if (intbox_check(mcd->outchannels)) return TRUE;
54 
55      map_matrix = g_malloc(mcd->channels_in*mcd->channels_out*
56 				   sizeof(gboolean));
57      for (i=0; i<mcd->channels_in; i++)
58 	  for (j=0; j<mcd->channels_out; j++)
59 	       map_matrix[i*mcd->channels_out + j] =
60 		    gtk_toggle_button_get_active(mcd->channel_map[i*8+j]);
61 
62      b = document_apply_cb(d,map_channels_dialog_apply_proc,FALSE,mcd);
63 
64      g_free(map_matrix);
65      map_matrix = NULL;
66 
67      return b;
68 }
69 
map_channels_dialog_target_changed(EffectDialog * ed)70 static void map_channels_dialog_target_changed(EffectDialog *ed)
71 {
72      MapChannelsDialog *ccd = MAP_CHANNELS_DIALOG(ed);
73      if (ccd->channels_in != EFFECT_BROWSER(ed->eb)->dl->format.channels)
74 	  effect_browser_invalidate_effect(EFFECT_BROWSER(ed->eb),
75 					   "mapchannels",'B');
76 }
77 
numchannels_changed(Intbox * box,long int val,gpointer user_data)78 static void numchannels_changed(Intbox *box, long int val, gpointer user_data)
79 {
80      MapChannelsDialog *mcd = MAP_CHANNELS_DIALOG(user_data);
81      int i,j;
82 
83      mcd->channels_out = val;
84 
85      for (i=0; i<8; i++) {
86 
87 	  if (i < val)
88 	       gtk_widget_show(mcd->outnames[i]);
89 	  else
90 	       gtk_widget_hide(mcd->outnames[i]);
91 
92 	  for (j=0; j<mcd->channels_in; j++) {
93 	       if (i < val)
94 		    gtk_widget_show(GTK_WIDGET(mcd->channel_map[j*8+i]));
95 	       else
96 		    gtk_widget_hide(GTK_WIDGET(mcd->channel_map[j*8+i]));
97 	  }
98      }
99 }
100 
map_channels_setup(EffectDialog * ed)101 static void map_channels_setup(EffectDialog *ed)
102 {
103     int i,j;
104     GtkWidget *z,*a,*b,*c,*d;
105     GtkLabel *l;
106     guint channels_in = EFFECT_BROWSER(ed->eb)->dl->format.channels;
107     MapChannelsDialog *mcd = MAP_CHANNELS_DIALOG(ed);
108 
109     mcd->channels_in = channels_in;
110     mcd->channels_out = channels_in;
111     mcd->outchannels = INTBOX(intbox_new(8));
112 
113     z = gtk_vbox_new(FALSE,5);
114     gtk_box_pack_start(GTK_BOX(ed->input_area),z,FALSE,FALSE,0);
115 
116     a = gtk_label_new(_("This effect applies to the whole file, "
117 			"not just the selection"));
118     gtk_container_add(GTK_CONTAINER(z),a);
119 
120     a = gtk_hbox_new(FALSE,3);
121     gtk_container_add(GTK_CONTAINER(z),a);
122 
123     b = gtk_label_new(_("Output channels: "));
124     gtk_box_pack_start(GTK_BOX(a),b,FALSE,FALSE,0);
125     b = intbox_create_scale(mcd->outchannels,1,8);
126     gtk_box_pack_start(GTK_BOX(a),b,FALSE,FALSE,0);
127     b = GTK_WIDGET(mcd->outchannels);
128     gtk_box_pack_start(GTK_BOX(a),b,FALSE,FALSE,0);
129 
130     a = gtk_frame_new(_("Map"));
131     gtk_container_add(GTK_CONTAINER(z),a);
132 
133 
134     b = gtk_table_new(2+channels_in,3,FALSE);
135     gtk_container_add(GTK_CONTAINER(a),b);
136     attach_label("x",b,1,1);
137     c = gtk_label_new(_("Source"));
138     gtk_table_attach(GTK_TABLE(b),c,0,1,2,2+channels_in,0,0,4,0);
139     attach_label(_("Destination"),b,0,2);
140     /*
141     c = gtk_label_new(_("Destination"));
142     gtk_misc_set_alignment(GTK_MISC(c),0.0,0.5);
143     gtk_table_attach(GTK_TABLE(b),c,2,3,0,1,GTK_FILL,0,10,0);
144     */
145 
146     c = gtk_table_new(1+channels_in,8,TRUE);
147     gtk_table_attach(GTK_TABLE(b),c,2,3,1,2+channels_in,GTK_FILL,GTK_FILL,0,0);
148 
149     for (i=0; i<8; i++) {
150 	 l = attach_label(channel_name(i,8),c,0,i);
151 	 mcd->outnames[i] = GTK_WIDGET(l);
152     }
153     for (i=0; i<channels_in; i++) {
154 	 attach_label(channel_name(i,channels_in),b,2+i,1);
155 	 for (j=0; j<8; j++) {
156 	      d = gtk_check_button_new();
157 	      if (i == j)
158 		   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(d),TRUE);
159 	      mcd->channel_map[i*8+j] = GTK_TOGGLE_BUTTON(d);
160 	      gtk_table_attach(GTK_TABLE(c),d,j,j+1,1+i,1+i+1,GTK_FILL,0,0,
161 			       0);
162 	 }
163     }
164 
165     gtk_table_set_col_spacings(GTK_TABLE(c),4);
166 
167     gtk_widget_show_all(z);
168 
169     gtk_signal_connect(GTK_OBJECT(mcd->outchannels),"numchanged",
170 		       GTK_SIGNAL_FUNC(numchannels_changed),mcd);
171     intbox_set(mcd->outchannels,mcd->channels_out);
172 
173 }
174 
map_channels_dialog_class_init(EffectDialogClass * klass)175 static void map_channels_dialog_class_init(EffectDialogClass *klass)
176 {
177     parent_class = gtk_type_class(effect_dialog_get_type());
178     klass->apply = map_channels_dialog_apply;
179     klass->setup = map_channels_setup;
180     klass->target_changed = map_channels_dialog_target_changed;
181 }
182 
map_channels_dialog_init(MapChannelsDialog * obj)183 static void map_channels_dialog_init(MapChannelsDialog *obj)
184 {
185 }
186 
map_channels_dialog_get_type(void)187 GtkType map_channels_dialog_get_type(void)
188 {
189     static GtkType id = 0;
190     if (!id) {
191         GtkTypeInfo info = {
192             "MapChannelsDialog",
193             sizeof(MapChannelsDialog),
194             sizeof(MapChannelsDialogClass),
195             (GtkClassInitFunc)map_channels_dialog_class_init,
196             (GtkObjectInitFunc)map_channels_dialog_init
197         };
198         id = gtk_type_unique(effect_dialog_get_type(),&info);
199     }
200     return id;
201 }
202