godot/editor/import/audio_stream_import_settings.cpp
2024-06-19 09:44:38 +02:00

661 lines
25 KiB
C++

/**************************************************************************/
/* audio_stream_import_settings.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "audio_stream_import_settings.h"
#include "editor/audio_stream_preview.h"
#include "editor/editor_file_system.h"
#include "editor/editor_string_names.h"
#include "editor/themes/editor_scale.h"
#include "scene/gui/check_box.h"
AudioStreamImportSettingsDialog *AudioStreamImportSettingsDialog::singleton = nullptr;
void AudioStreamImportSettingsDialog::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_READY: {
AudioStreamPreviewGenerator::get_singleton()->connect("preview_updated", callable_mp(this, &AudioStreamImportSettingsDialog::_preview_changed));
connect(SceneStringName(confirmed), callable_mp(this, &AudioStreamImportSettingsDialog::_reimport));
} break;
case NOTIFICATION_THEME_CHANGED: {
_play_button->set_icon(get_editor_theme_icon(SNAME("MainPlay")));
_stop_button->set_icon(get_editor_theme_icon(SNAME("Stop")));
_preview->set_color(get_theme_color(SNAME("dark_color_2"), EditorStringName(Editor)));
color_rect->set_color(get_theme_color(SNAME("dark_color_1"), EditorStringName(Editor)));
_current_label->begin_bulk_theme_override();
_current_label->add_theme_font_override(SceneStringName(font), get_theme_font(SNAME("status_source"), EditorStringName(EditorFonts)));
_current_label->add_theme_font_size_override(SceneStringName(font_size), get_theme_font_size(SNAME("status_source_size"), EditorStringName(EditorFonts)));
_current_label->end_bulk_theme_override();
_duration_label->begin_bulk_theme_override();
_duration_label->add_theme_font_override(SceneStringName(font), get_theme_font(SNAME("status_source"), EditorStringName(EditorFonts)));
_duration_label->add_theme_font_size_override(SceneStringName(font_size), get_theme_font_size(SNAME("status_source_size"), EditorStringName(EditorFonts)));
_duration_label->end_bulk_theme_override();
zoom_in->set_icon(get_editor_theme_icon(SNAME("ZoomMore")));
zoom_out->set_icon(get_editor_theme_icon(SNAME("ZoomLess")));
zoom_reset->set_icon(get_editor_theme_icon(SNAME("ZoomReset")));
_indicator->queue_redraw();
_preview->queue_redraw();
} break;
case NOTIFICATION_PROCESS: {
_current = _player->get_playback_position();
_indicator->queue_redraw();
} break;
case NOTIFICATION_VISIBILITY_CHANGED: {
if (!is_visible()) {
_stop();
}
} break;
}
}
void AudioStreamImportSettingsDialog::_draw_preview() {
Rect2 rect = _preview->get_rect();
Size2 rect_size = rect.size;
int width = rect_size.width;
Ref<AudioStreamPreview> preview = AudioStreamPreviewGenerator::get_singleton()->generate_preview(stream);
float preview_offset = zoom_bar->get_value();
float preview_len = zoom_bar->get_page();
Ref<Font> beat_font = get_theme_font(SNAME("main"), EditorStringName(EditorFonts));
int main_size = get_theme_font_size(SNAME("main_size"), EditorStringName(EditorFonts));
Vector<Vector2> points;
points.resize(width * 2);
Color color_active = get_theme_color(SNAME("contrast_color_2"), EditorStringName(Editor));
Color color_inactive = color_active;
color_inactive.a *= 0.5;
Vector<Color> colors;
colors.resize(width);
float inactive_from = 1e20;
float beat_size = 0;
int last_beat = 0;
if (stream->get_bpm() > 0) {
beat_size = 60 / float(stream->get_bpm());
int y_ofs = beat_font->get_height(main_size) + 4 * EDSCALE;
rect.position.y += y_ofs;
rect.size.y -= y_ofs;
if (stream->get_beat_count() > 0) {
last_beat = stream->get_beat_count();
inactive_from = last_beat * beat_size;
}
}
for (int i = 0; i < width; i++) {
float ofs = preview_offset + i * preview_len / rect_size.width;
float ofs_n = preview_offset + (i + 1) * preview_len / rect_size.width;
float max = preview->get_max(ofs, ofs_n) * 0.5 + 0.5;
float min = preview->get_min(ofs, ofs_n) * 0.5 + 0.5;
int idx = i;
points.write[idx * 2 + 0] = Vector2(i + 1, rect.position.y + min * rect.size.y);
points.write[idx * 2 + 1] = Vector2(i + 1, rect.position.y + max * rect.size.y);
colors.write[idx] = ofs > inactive_from ? color_inactive : color_active;
}
if (!points.is_empty()) {
RS::get_singleton()->canvas_item_add_multiline(_preview->get_canvas_item(), points, colors);
}
if (beat_size) {
Color beat_color = Color(1, 1, 1, 1);
Color final_beat_color = beat_color;
Color bar_color = beat_color;
beat_color.a *= 0.4;
bar_color.a *= 0.6;
int prev_beat = 0; // Do not draw beat zero
Color color_bg = color_active;
color_bg.a *= 0.2;
_preview->draw_rect(Rect2(0, 0, rect.size.width, rect.position.y), color_bg);
int bar_beats = stream->get_bar_beats();
int last_text_end_x = 0;
for (int i = 0; i < width; i++) {
float ofs = preview_offset + i * preview_len / rect_size.width;
int beat = int(ofs / beat_size);
if (beat != prev_beat) {
String text = itos(beat);
int text_w = beat_font->get_string_size(text).width;
if (i - text_w / 2 > last_text_end_x + 2 * EDSCALE) {
int x_ofs = i - text_w / 2;
_preview->draw_string(beat_font, Point2(x_ofs, 2 * EDSCALE + beat_font->get_ascent(main_size)), text, HORIZONTAL_ALIGNMENT_LEFT, rect.size.width - x_ofs, Font::DEFAULT_FONT_SIZE, color_active);
last_text_end_x = i + text_w / 2;
}
if (beat == last_beat) {
_preview->draw_rect(Rect2i(i, rect.position.y, 2, rect.size.height), final_beat_color);
// Darken subsequent beats
beat_color.a *= 0.3;
color_active.a *= 0.3;
} else {
_preview->draw_rect(Rect2i(i, rect.position.y, 1, rect.size.height), (beat % bar_beats) == 0 ? bar_color : beat_color);
}
prev_beat = beat;
}
}
}
}
void AudioStreamImportSettingsDialog::_preview_changed(ObjectID p_which) {
if (stream.is_valid() && stream->get_instance_id() == p_which) {
_preview->queue_redraw();
}
}
void AudioStreamImportSettingsDialog::_preview_zoom_in() {
if (!stream.is_valid()) {
return;
}
float page_size = zoom_bar->get_page();
zoom_bar->set_page(page_size * 0.5);
zoom_bar->set_value(zoom_bar->get_value() + page_size * 0.25);
_preview->queue_redraw();
_indicator->queue_redraw();
}
void AudioStreamImportSettingsDialog::_preview_zoom_out() {
if (!stream.is_valid()) {
return;
}
float page_size = zoom_bar->get_page();
zoom_bar->set_page(MIN(zoom_bar->get_max(), page_size * 2.0));
zoom_bar->set_value(zoom_bar->get_value() - page_size * 0.5);
_preview->queue_redraw();
_indicator->queue_redraw();
}
void AudioStreamImportSettingsDialog::_preview_zoom_reset() {
if (!stream.is_valid()) {
return;
}
zoom_bar->set_max(stream->get_length());
zoom_bar->set_page(zoom_bar->get_max());
zoom_bar->set_value(0);
_preview->queue_redraw();
_indicator->queue_redraw();
}
void AudioStreamImportSettingsDialog::_preview_zoom_offset_changed(double) {
_preview->queue_redraw();
_indicator->queue_redraw();
}
void AudioStreamImportSettingsDialog::_audio_changed() {
if (!is_visible()) {
return;
}
_preview->queue_redraw();
_indicator->queue_redraw();
color_rect->queue_redraw();
}
void AudioStreamImportSettingsDialog::_play() {
if (_player->is_playing()) {
// '_pausing' variable indicates that we want to pause the audio player, not stop it. See '_on_finished()'.
_pausing = true;
_player->stop();
_play_button->set_icon(get_editor_theme_icon(SNAME("MainPlay")));
set_process(false);
} else {
_player->play(_current);
_play_button->set_icon(get_editor_theme_icon(SNAME("Pause")));
set_process(true);
}
}
void AudioStreamImportSettingsDialog::_stop() {
_player->stop();
_play_button->set_icon(get_editor_theme_icon(SNAME("MainPlay")));
_current = 0;
_indicator->queue_redraw();
set_process(false);
}
void AudioStreamImportSettingsDialog::_on_finished() {
_play_button->set_icon(get_editor_theme_icon(SNAME("MainPlay")));
if (!_pausing) {
_current = 0;
_indicator->queue_redraw();
} else {
_pausing = false;
}
set_process(false);
}
void AudioStreamImportSettingsDialog::_draw_indicator() {
if (!stream.is_valid()) {
return;
}
Rect2 rect = _preview->get_rect();
Ref<Font> beat_font = get_theme_font(SNAME("main"), EditorStringName(EditorFonts));
int main_size = get_theme_font_size(SNAME("main_size"), EditorStringName(EditorFonts));
if (stream->get_bpm() > 0) {
int y_ofs = beat_font->get_height(main_size) + 4 * EDSCALE;
rect.position.y += y_ofs;
rect.size.height -= y_ofs;
}
_current_label->set_text(String::num(_current, 2).pad_decimals(2) + " /");
float ofs_x = (_current - zoom_bar->get_value()) * rect.size.width / zoom_bar->get_page();
if (ofs_x < 0 || ofs_x >= rect.size.width) {
return;
}
const Color color = get_theme_color(SNAME("accent_color"), EditorStringName(Editor));
_indicator->draw_line(Point2(ofs_x, rect.position.y), Point2(ofs_x, rect.position.y + rect.size.height), color, Math::round(2 * EDSCALE));
_indicator->draw_texture(
get_editor_theme_icon(SNAME("TimelineIndicator")),
Point2(ofs_x - get_editor_theme_icon(SNAME("TimelineIndicator"))->get_width() * 0.5, rect.position.y),
color);
if (stream->get_bpm() > 0 && _hovering_beat != -1) {
// Draw hovered beat.
float preview_offset = zoom_bar->get_value();
float preview_len = zoom_bar->get_page();
float beat_size = 60 / float(stream->get_bpm());
int prev_beat = 0;
for (int i = 0; i < rect.size.width; i++) {
float ofs = preview_offset + i * preview_len / rect.size.width;
int beat = int(ofs / beat_size);
if (beat != prev_beat) {
String text = itos(beat);
int text_w = beat_font->get_string_size(text).width;
if (i - text_w / 2 > 2 * EDSCALE && beat == _hovering_beat) {
int x_ofs = i - text_w / 2;
_indicator->draw_string(beat_font, Point2(x_ofs, 2 * EDSCALE + beat_font->get_ascent(main_size)), text, HORIZONTAL_ALIGNMENT_LEFT, rect.size.width - x_ofs, Font::DEFAULT_FONT_SIZE, color);
break;
}
prev_beat = beat;
}
}
}
}
void AudioStreamImportSettingsDialog::_on_indicator_mouse_exited() {
_hovering_beat = -1;
_indicator->queue_redraw();
}
void AudioStreamImportSettingsDialog::_on_input_indicator(Ref<InputEvent> p_event) {
const Ref<InputEventMouseButton> mb = p_event;
if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT) {
if (stream->get_bpm() > 0) {
int main_size = get_theme_font_size(SNAME("main_size"), EditorStringName(EditorFonts));
Ref<Font> beat_font = get_theme_font(SNAME("main"), EditorStringName(EditorFonts));
int y_ofs = beat_font->get_height(main_size) + 4 * EDSCALE;
if ((!_dragging && mb->get_position().y < y_ofs) || _beat_len_dragging) {
if (mb->is_pressed()) {
_set_beat_len_to(mb->get_position().x);
_beat_len_dragging = true;
} else {
_beat_len_dragging = false;
}
return;
}
}
if (mb->is_pressed()) {
_seek_to(mb->get_position().x);
}
_dragging = mb->is_pressed();
}
const Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid()) {
if (_dragging) {
_seek_to(mm->get_position().x);
}
if (_beat_len_dragging) {
_set_beat_len_to(mm->get_position().x);
}
if (stream->get_bpm() > 0) {
int main_size = get_theme_font_size(SNAME("main_size"), EditorStringName(EditorFonts));
Ref<Font> beat_font = get_theme_font(SNAME("main"), EditorStringName(EditorFonts));
int y_ofs = beat_font->get_height(main_size) + 4 * EDSCALE;
if (mm->get_position().y < y_ofs) {
int new_hovering_beat = _get_beat_at_pos(mm->get_position().x);
if (new_hovering_beat != _hovering_beat) {
_hovering_beat = new_hovering_beat;
_indicator->queue_redraw();
}
} else if (_hovering_beat != -1) {
_hovering_beat = -1;
_indicator->queue_redraw();
}
}
}
}
int AudioStreamImportSettingsDialog::_get_beat_at_pos(real_t p_x) {
float ofs_sec = zoom_bar->get_value() + p_x * zoom_bar->get_page() / _preview->get_size().width;
ofs_sec = CLAMP(ofs_sec, 0, stream->get_length());
float beat_size = 60 / float(stream->get_bpm());
int beat = int(ofs_sec / beat_size + 0.5);
if (beat * beat_size > stream->get_length() + 0.001) { // Stream may end few audio frames before but may still want to use full loop.
beat--;
}
return beat;
}
void AudioStreamImportSettingsDialog::_set_beat_len_to(real_t p_x) {
int beat = _get_beat_at_pos(p_x);
if (beat < 1) {
beat = 1; // Because 0 is disable.
}
updating_settings = true;
beats_enabled->set_pressed(true);
beats_edit->set_value(beat);
updating_settings = false;
_settings_changed();
}
void AudioStreamImportSettingsDialog::_seek_to(real_t p_x) {
_current = zoom_bar->get_value() + p_x / _preview->get_rect().size.x * zoom_bar->get_page();
_current = CLAMP(_current, 0, stream->get_length());
_player->seek(_current);
_indicator->queue_redraw();
}
void AudioStreamImportSettingsDialog::edit(const String &p_path, const String &p_importer, const Ref<AudioStream> &p_stream) {
if (!stream.is_null()) {
stream->disconnect_changed(callable_mp(this, &AudioStreamImportSettingsDialog::_audio_changed));
}
importer = p_importer;
path = p_path;
stream = p_stream;
_player->set_stream(stream);
_current = 0;
String text = String::num(stream->get_length(), 2).pad_decimals(2) + "s";
_duration_label->set_text(text);
if (!stream.is_null()) {
stream->connect_changed(callable_mp(this, &AudioStreamImportSettingsDialog::_audio_changed));
_preview->queue_redraw();
_indicator->queue_redraw();
color_rect->queue_redraw();
} else {
hide();
}
params.clear();
if (stream.is_valid()) {
Ref<ConfigFile> config_file;
config_file.instantiate();
Error err = config_file->load(p_path + ".import");
updating_settings = true;
if (err == OK) {
double bpm = config_file->get_value("params", "bpm", 0);
int beats = config_file->get_value("params", "beat_count", 0);
bpm_edit->set_value(bpm > 0 ? bpm : 120);
bpm_enabled->set_pressed(bpm > 0);
beats_edit->set_value(beats);
beats_enabled->set_pressed(beats > 0);
loop->set_pressed(config_file->get_value("params", "loop", false));
loop_offset->set_value(config_file->get_value("params", "loop_offset", 0));
bar_beats_edit->set_value(config_file->get_value("params", "bar_beats", 4));
List<String> keys;
config_file->get_section_keys("params", &keys);
for (const String &K : keys) {
params[K] = config_file->get_value("params", K);
}
} else {
bpm_edit->set_value(false);
bpm_enabled->set_pressed(false);
beats_edit->set_value(0);
beats_enabled->set_pressed(false);
bar_beats_edit->set_value(4);
loop->set_pressed(false);
loop_offset->set_value(0);
}
_preview_zoom_reset();
updating_settings = false;
_settings_changed();
set_title(vformat(TTR("Audio Stream Importer: %s"), p_path.get_file()));
popup_centered();
}
}
void AudioStreamImportSettingsDialog::_settings_changed() {
if (updating_settings) {
return;
}
updating_settings = true;
stream->call("set_loop", loop->is_pressed());
stream->call("set_loop_offset", loop_offset->get_value());
if (loop->is_pressed()) {
loop_offset->set_editable(true);
} else {
loop_offset->set_editable(false);
}
if (bpm_enabled->is_pressed()) {
stream->call("set_bpm", bpm_edit->get_value());
beats_enabled->set_disabled(false);
beats_edit->set_editable(true);
bar_beats_edit->set_editable(true);
double bpm = bpm_edit->get_value();
if (bpm > 0) {
float beat_size = 60 / float(bpm);
int beat_max = int((stream->get_length() + 0.001) / beat_size);
int current_beat = beats_edit->get_value();
beats_edit->set_max(beat_max);
if (current_beat > beat_max) {
beats_edit->set_value(beat_max);
stream->call("set_beat_count", beat_max);
}
}
stream->call("set_bar_beats", bar_beats_edit->get_value());
} else {
stream->call("set_bpm", 0);
stream->call("set_bar_beats", 4);
beats_enabled->set_disabled(true);
beats_edit->set_editable(false);
bar_beats_edit->set_editable(false);
}
if (bpm_enabled->is_pressed() && beats_enabled->is_pressed()) {
stream->call("set_beat_count", beats_edit->get_value());
} else {
stream->call("set_beat_count", 0);
}
updating_settings = false;
_preview->queue_redraw();
_indicator->queue_redraw();
color_rect->queue_redraw();
}
void AudioStreamImportSettingsDialog::_reimport() {
params["loop"] = loop->is_pressed();
params["loop_offset"] = loop_offset->get_value();
params["bpm"] = bpm_enabled->is_pressed() ? double(bpm_edit->get_value()) : double(0);
params["beat_count"] = (bpm_enabled->is_pressed() && beats_enabled->is_pressed()) ? int(beats_edit->get_value()) : int(0);
params["bar_beats"] = (bpm_enabled->is_pressed()) ? int(bar_beats_edit->get_value()) : int(4);
EditorFileSystem::get_singleton()->reimport_file_with_custom_parameters(path, importer, params);
}
AudioStreamImportSettingsDialog::AudioStreamImportSettingsDialog() {
get_ok_button()->set_text(TTR("Reimport"));
get_cancel_button()->set_text(TTR("Close"));
VBoxContainer *main_vbox = memnew(VBoxContainer);
add_child(main_vbox);
HBoxContainer *loop_hb = memnew(HBoxContainer);
loop_hb->add_theme_constant_override("separation", 4 * EDSCALE);
loop = memnew(CheckBox);
loop->set_text(TTR("Enable"));
loop->set_tooltip_text(TTR("Enable looping."));
loop->connect("toggled", callable_mp(this, &AudioStreamImportSettingsDialog::_settings_changed).unbind(1));
loop_hb->add_child(loop);
loop_hb->add_spacer();
loop_hb->add_child(memnew(Label(TTR("Offset:"))));
loop_offset = memnew(SpinBox);
loop_offset->set_max(10000);
loop_offset->set_step(0.001);
loop_offset->set_suffix("sec");
loop_offset->set_tooltip_text(TTR("Loop offset (from beginning). Note that if BPM is set, this setting will be ignored."));
loop_offset->connect(SceneStringName(value_changed), callable_mp(this, &AudioStreamImportSettingsDialog::_settings_changed).unbind(1));
loop_hb->add_child(loop_offset);
main_vbox->add_margin_child(TTR("Loop:"), loop_hb);
HBoxContainer *interactive_hb = memnew(HBoxContainer);
interactive_hb->add_theme_constant_override("separation", 4 * EDSCALE);
bpm_enabled = memnew(CheckBox);
bpm_enabled->set_text((TTR("BPM:")));
bpm_enabled->connect("toggled", callable_mp(this, &AudioStreamImportSettingsDialog::_settings_changed).unbind(1));
interactive_hb->add_child(bpm_enabled);
bpm_edit = memnew(SpinBox);
bpm_edit->set_max(400);
bpm_edit->set_step(0.01);
bpm_edit->set_tooltip_text(TTR("Configure the Beats Per Measure (tempo) used for the interactive streams.\nThis is required in order to configure beat information."));
bpm_edit->connect(SceneStringName(value_changed), callable_mp(this, &AudioStreamImportSettingsDialog::_settings_changed).unbind(1));
interactive_hb->add_child(bpm_edit);
interactive_hb->add_spacer();
beats_enabled = memnew(CheckBox);
beats_enabled->set_text(TTR("Beat Count:"));
beats_enabled->connect("toggled", callable_mp(this, &AudioStreamImportSettingsDialog::_settings_changed).unbind(1));
interactive_hb->add_child(beats_enabled);
beats_edit = memnew(SpinBox);
beats_edit->set_tooltip_text(TTR("Configure the amount of Beats used for music-aware looping. If zero, it will be autodetected from the length.\nIt is recommended to set this value (either manually or by clicking on a beat number in the preview) to ensure looping works properly."));
beats_edit->set_max(99999);
beats_edit->connect(SceneStringName(value_changed), callable_mp(this, &AudioStreamImportSettingsDialog::_settings_changed).unbind(1));
interactive_hb->add_child(beats_edit);
bar_beats_label = memnew(Label(TTR("Bar Beats:")));
interactive_hb->add_child(bar_beats_label);
bar_beats_edit = memnew(SpinBox);
bar_beats_edit->set_tooltip_text(TTR("Configure the Beats Per Bar. This used for music-aware transitions between AudioStreams."));
bar_beats_edit->set_min(2);
bar_beats_edit->set_max(32);
bar_beats_edit->connect(SceneStringName(value_changed), callable_mp(this, &AudioStreamImportSettingsDialog::_settings_changed).unbind(1));
interactive_hb->add_child(bar_beats_edit);
interactive_hb->add_spacer();
main_vbox->add_margin_child(TTR("Music Playback:"), interactive_hb);
color_rect = memnew(ColorRect);
main_vbox->add_margin_child(TTR("Preview:"), color_rect);
color_rect->set_custom_minimum_size(Size2(600, 200) * EDSCALE);
color_rect->set_v_size_flags(Control::SIZE_EXPAND_FILL);
_player = memnew(AudioStreamPlayer);
_player->connect(SceneStringName(finished), callable_mp(this, &AudioStreamImportSettingsDialog::_on_finished));
color_rect->add_child(_player);
VBoxContainer *vbox = memnew(VBoxContainer);
vbox->set_anchors_and_offsets_preset(Control::PRESET_FULL_RECT, Control::PRESET_MODE_MINSIZE, 0);
color_rect->add_child(vbox);
vbox->set_v_size_flags(Control::SIZE_EXPAND_FILL);
_preview = memnew(ColorRect);
_preview->set_v_size_flags(Control::SIZE_EXPAND_FILL);
_preview->connect(SceneStringName(draw), callable_mp(this, &AudioStreamImportSettingsDialog::_draw_preview));
_preview->set_v_size_flags(Control::SIZE_EXPAND_FILL);
vbox->add_child(_preview);
HBoxContainer *zoom_hbox = memnew(HBoxContainer);
zoom_bar = memnew(HScrollBar);
zoom_in = memnew(Button);
zoom_in->set_flat(true);
zoom_reset = memnew(Button);
zoom_reset->set_flat(true);
zoom_out = memnew(Button);
zoom_out->set_flat(true);
zoom_hbox->add_child(zoom_bar);
zoom_bar->set_h_size_flags(Control::SIZE_EXPAND_FILL);
zoom_bar->set_v_size_flags(Control::SIZE_EXPAND_FILL);
zoom_hbox->add_child(zoom_out);
zoom_hbox->add_child(zoom_reset);
zoom_hbox->add_child(zoom_in);
zoom_in->connect(SceneStringName(pressed), callable_mp(this, &AudioStreamImportSettingsDialog::_preview_zoom_in));
zoom_reset->connect(SceneStringName(pressed), callable_mp(this, &AudioStreamImportSettingsDialog::_preview_zoom_reset));
zoom_out->connect(SceneStringName(pressed), callable_mp(this, &AudioStreamImportSettingsDialog::_preview_zoom_out));
zoom_bar->connect(SceneStringName(value_changed), callable_mp(this, &AudioStreamImportSettingsDialog::_preview_zoom_offset_changed));
vbox->add_child(zoom_hbox);
_indicator = memnew(Control);
_indicator->set_anchors_and_offsets_preset(Control::PRESET_FULL_RECT);
_indicator->connect(SceneStringName(draw), callable_mp(this, &AudioStreamImportSettingsDialog::_draw_indicator));
_indicator->connect(SceneStringName(gui_input), callable_mp(this, &AudioStreamImportSettingsDialog::_on_input_indicator));
_indicator->connect(SceneStringName(mouse_exited), callable_mp(this, &AudioStreamImportSettingsDialog::_on_indicator_mouse_exited));
_preview->add_child(_indicator);
HBoxContainer *hbox = memnew(HBoxContainer);
hbox->add_theme_constant_override("separation", 0);
vbox->add_child(hbox);
_play_button = memnew(Button);
_play_button->set_flat(true);
hbox->add_child(_play_button);
_play_button->set_focus_mode(Control::FOCUS_NONE);
_play_button->connect(SceneStringName(pressed), callable_mp(this, &AudioStreamImportSettingsDialog::_play));
_stop_button = memnew(Button);
_stop_button->set_flat(true);
hbox->add_child(_stop_button);
_stop_button->set_focus_mode(Control::FOCUS_NONE);
_stop_button->connect(SceneStringName(pressed), callable_mp(this, &AudioStreamImportSettingsDialog::_stop));
_current_label = memnew(Label);
_current_label->set_horizontal_alignment(HORIZONTAL_ALIGNMENT_RIGHT);
_current_label->set_h_size_flags(Control::SIZE_EXPAND_FILL);
_current_label->set_modulate(Color(1, 1, 1, 0.5));
hbox->add_child(_current_label);
_duration_label = memnew(Label);
hbox->add_child(_duration_label);
singleton = this;
}