1 /*
2  * Copyright (C) 2019 Alexandros Theodotou <alex at zrythm dot org>
3  *
4  * This file is part of Zrythm
5  *
6  * Zrythm is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU Affero General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * Zrythm 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 Affero General Public License for more details.
15  *
16  * You should have received a copy of the GNU Affero General Public License
17  * along with Zrythm.  If not, see <https://www.gnu.org/licenses/>.
18  */
19 
20 #include "audio/chord_descriptor.h"
21 #include "audio/chord_object.h"
22 #include "audio/chord_track.h"
23 #include "audio/midi.h"
24 #include "gui/backend/clip_editor.h"
25 #include "gui/widgets/bot_dock_edge.h"
26 #include "gui/widgets/center_dock.h"
27 #include "gui/widgets/chord_editor_space.h"
28 #include "gui/widgets/chord_key.h"
29 #include "gui/widgets/chord_selector_window.h"
30 #include "gui/widgets/clip_editor.h"
31 #include "gui/widgets/clip_editor_inner.h"
32 #include "gui/widgets/main_window.h"
33 #include "gui/widgets/piano_keyboard.h"
34 #include "project.h"
35 #include "utils/cairo.h"
36 #include "utils/gtk.h"
37 #include "utils/resources.h"
38 
39 #include <gtk/gtk.h>
40 
G_DEFINE_TYPE(ChordKeyWidget,chord_key_widget,GTK_TYPE_GRID)41 G_DEFINE_TYPE (ChordKeyWidget,
42                chord_key_widget,
43                GTK_TYPE_GRID)
44 
45 #if 0
46 static gboolean
47 chord_key_draw_cb (
48   GtkWidget * widget,
49   cairo_t *cr,
50   ChordKeyWidget * self)
51 {
52   GtkStyleContext *context =
53     gtk_widget_get_style_context (widget);
54 
55   int width =
56     gtk_widget_get_allocated_width (widget);
57   int height =
58     gtk_widget_get_allocated_height (widget);
59 
60   gtk_render_background (
61     context, cr, 0, 0, width, height);
62 
63   char str[100];
64   chord_descriptor_to_string (self->descr, str);
65   cairo_set_source_rgba (
66     cr, 1,1,1,1);
67   PangoLayout * layout =
68     z_cairo_create_default_pango_layout (
69       widget);
70   z_cairo_draw_text (
71     cr, widget, layout, str);
72   g_object_unref (layout);
73 
74  return FALSE;
75 }
76 #endif
77 
78 static void
79 on_choose_chord_btn_clicked (
80   GtkButton * btn,
81   ChordKeyWidget *  self)
82 {
83   ChordSelectorWindowWidget * chord_selector =
84     chord_selector_window_widget_new (
85       self->descr);
86 
87   gtk_window_present (
88     GTK_WINDOW (chord_selector));
89 }
90 
91 void
chord_key_widget_refresh(ChordKeyWidget * self)92 chord_key_widget_refresh (
93   ChordKeyWidget * self)
94 {
95   char str[120];
96   chord_descriptor_to_string (self->descr, str);
97   gtk_label_set_text (self->chord_lbl, str);
98 
99   piano_keyboard_widget_refresh (self->piano);
100 }
101 
102 /**
103  * Creates a ChordKeyWidget for the given
104  * MIDI note descriptor.
105  */
106 ChordKeyWidget *
chord_key_widget_new(ChordDescriptor * descr)107 chord_key_widget_new (
108   ChordDescriptor * descr)
109 {
110   ChordKeyWidget * self =
111     g_object_new (CHORD_KEY_WIDGET_TYPE, NULL);
112 
113   self->descr = descr;
114 
115   /* add piano widget */
116   self->piano =
117     piano_keyboard_widget_new_for_chord_key (descr);
118   gtk_widget_set_size_request (
119     GTK_WIDGET (self->piano), 216, 24);
120   gtk_widget_set_visible (
121     GTK_WIDGET (self->piano), true);
122   gtk_container_add (
123     GTK_CONTAINER (self->piano_box),
124     GTK_WIDGET (self->piano));
125 
126   chord_key_widget_refresh (self);
127 
128   return self;
129 }
130 
131 static void
chord_key_widget_class_init(ChordKeyWidgetClass * _klass)132 chord_key_widget_class_init (
133   ChordKeyWidgetClass * _klass)
134 {
135   GtkWidgetClass * klass = GTK_WIDGET_CLASS (_klass);
136   gtk_widget_class_set_css_name (
137     klass, "chord-key");
138 
139   resources_set_class_template (
140     klass, "chord_key.ui");
141 
142 #define BIND_CHILD(x) \
143   gtk_widget_class_bind_template_child ( \
144     klass, ChordKeyWidget, x)
145 
146   BIND_CHILD (chord_lbl);
147   BIND_CHILD (piano_box);
148   BIND_CHILD (btn_box);
149   BIND_CHILD (choose_chord_btn);
150   BIND_CHILD (invert_prev_btn);
151   BIND_CHILD (invert_next_btn);
152 
153 #undef BIND_CHILD
154 }
155 
156 static void
chord_key_widget_init(ChordKeyWidget * self)157 chord_key_widget_init (
158   ChordKeyWidget * self)
159 {
160   gtk_widget_init_template (GTK_WIDGET (self));
161 
162   gtk_widget_set_visible (
163     GTK_WIDGET (self), 1);
164 
165   gtk_widget_set_halign (
166     GTK_WIDGET (self->btn_box), GTK_ALIGN_END);
167 
168 
169   g_signal_connect (
170     G_OBJECT (self->choose_chord_btn), "clicked",
171     G_CALLBACK (on_choose_chord_btn_clicked),  self);
172 }
173