1 /*
2  * Copyright (C) 2002 2003 2004, 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 <math.h>
25 #include <gtk/gtk.h>
26 #include "mainwindow.h"
27 #include "effectdialog.h"
28 #include "effectbrowser.h"
29 #include "speeddialog.h"
30 #include "float_box.h"
31 #include "gettext.h"
32 
apply_proc(Chunk * chunk,StatusBar * bar,gpointer user_data)33 static Chunk *apply_proc(Chunk *chunk, StatusBar *bar, gpointer user_data)
34 {
35      SpeedDialog *s = SPEED_DIALOG(user_data);
36      return chunk_convert_speed(chunk, s->speed->val / 100.0, dither_editing,
37 				bar);
38 }
39 
apply(EffectDialog * ed)40 static gboolean apply(EffectDialog *ed)
41 {
42      SpeedDialog *s = SPEED_DIALOG(ed);
43      if (floatbox_check(s->speed) || s->speed->val<=0.0) return TRUE;
44      if (s->speed->val==100.0) return FALSE;
45      return document_apply_cb(EFFECT_BROWSER(EFFECT_DIALOG(s)->eb)->
46 			      dl->selected, apply_proc,TRUE,s);
47 }
48 
speed_dialog_class_init(EffectDialogClass * klass)49 static void speed_dialog_class_init(EffectDialogClass *klass)
50 {
51      klass->apply = apply;
52 }
53 
speed_dialog_init(SpeedDialog * v)54 static void speed_dialog_init(SpeedDialog *v)
55 {
56      EffectDialog *ed = EFFECT_DIALOG(v);
57      GtkWidget *c;
58      c = gtk_label_new (_("Speed:"));
59      gtk_box_pack_start( GTK_BOX(ed->input_area), c, FALSE, FALSE, 0 );
60      gtk_widget_show(c);
61      c = floatbox_new(100.0);
62      v->speed = FLOATBOX(c);
63      gtk_box_pack_start( GTK_BOX(ed->input_area), c, FALSE, FALSE, 0 );
64      gtk_widget_show(c);
65      c = gtk_label_new("%");
66      gtk_box_pack_start( GTK_BOX(ed->input_area), c, FALSE, FALSE, 0 );
67      gtk_widget_show(c);
68 }
69 
speed_dialog_get_type(void)70 GtkType speed_dialog_get_type(void)
71 {
72      static GtkType id = 0;
73      if (!id) {
74 	  GtkTypeInfo info = {
75 	       "SpeedDialog",
76 	       sizeof(SpeedDialog),
77 	       sizeof(SpeedDialogClass),
78 	       (GtkClassInitFunc) speed_dialog_class_init,
79 	       (GtkObjectInitFunc) speed_dialog_init
80 	  };
81 	  id = gtk_type_unique(effect_dialog_get_type(),&info);
82      }
83      return id;
84 }
85