[GTK3] Add interference volume slider

gtk3/config.c

@@ -429,7 +429,7 @@ const GB_rumble_mode_t config_get_rumble_mode(void) {
 	}
 
 	// This should not happen
-	g_warning("Unknown highpass mode: %s\nFalling back to “Never”", config.controls.rumble_mode);
+	g_warning("Unknown rumble mode: %s\nFalling back to “Never”", config.controls.rumble_mode);
 	default_value: return GB_RUMBLE_DISABLED;
 }
 

gtk3/config.h

@@ -47,11 +47,12 @@
 	EXPAND_GROUP(audio, \
 		EXPAND_GROUP_MEMBER(high_pass_filter_id, string, "emulate_hardware") \
 		EXPAND_GROUP_MEMBER(sample_rate, integer, -1) \
+		EXPAND_GROUP_MEMBER(interference_volume, integer, 0) \
 		EXPAND_GROUP_MEMBER(muted, boolean, false) \
 	) \
 	EXPAND_GROUP(controls, \
 		EXPAND_GROUP_MEMBER(analog_speed_controls, boolean, false) \
-		EXPAND_GROUP_MEMBER(rumble_mode, string, "Never") \
+		EXPAND_GROUP_MEMBER(rumble_mode, string, "never") \
 	) \
 	EXPAND_GROUP(window, \
 		\

gtk3/main.c

@@ -701,6 +701,7 @@ static void init(void) {
 
 	GB_set_sample_rate(&gb, GB_audio_get_sample_rate());
 	GB_set_highpass_filter_mode(&gb, config_get_highpass_mode());
+	GB_set_interference_volume(&gb, (double) config.audio.interference_volume / 255.0);
 
 	GB_set_log_callback(&gb, wrapped_console_log);
 	GB_set_input_callback(&gb, wrapped_console_get_sync_input);
@@ -1120,6 +1121,12 @@ void on_preferences_notify_sample_rate(PreferencesWindow *pref, const guint *sam
 	init_audio();
 }
 
+void on_preferences_notify_interference_volume(PreferencesWindow *pref, const guint *interference_volume) {
+	if (GB_is_inited(&gb)) {
+		GB_set_interference_volume(&gb, (double) *interference_volume / 255.0);
+	}
+}
+
 static void connect_signal_handlers(GApplication *app) {
 	// Connect signal handlers
 	gtk_widget_add_events(GTK_WIDGET(gui_data.main_window), GDK_KEY_PRESS_MASK);
@@ -1140,6 +1147,7 @@ static void connect_signal_handlers(GApplication *app) {
 	g_signal_connect(gui_data.preferences, "pref-update::video-display-border-mode", G_CALLBACK(on_preferences_notify_border), NULL);
 	g_signal_connect(gui_data.preferences, "pref-update::video-shader", G_CALLBACK(on_preferences_notify_shader), NULL);
 	g_signal_connect(gui_data.preferences, "pref-update::audio-sample-rate", G_CALLBACK(on_preferences_notify_sample_rate), NULL);
+	g_signal_connect(gui_data.preferences, "pref-update::audio-interference-volume", G_CALLBACK(on_preferences_notify_interference_volume), NULL);
 }
 
 // This function gets called when the GApplication gets activated, i.e. it is ready to show widgets.
@@ -1193,7 +1201,6 @@ static void activate_about(GSimpleAction *action, GVariant *parameter, gpointer
 	gtk_widget_hide(GTK_WIDGET(dialog));
 }
 
-
 // app.preferences GAction
 // Opens the preferences window
 static void activate_preferences(GSimpleAction *action, GVariant *parameter, gpointer app) {

gtk3/preferences_window.c

@@ -19,6 +19,7 @@ struct _PreferencesWindow {
 	GtkCheckButton *aspect_ratio_toggle;
 	GtkComboBoxText *highpass_filter_selector;
 	GtkComboBoxText *sample_rate_selector;
+	GtkScale *interference_volume_slider;
 	GtkCheckButton *analog_speed_controls_toggle;
 	GtkComboBoxText *rumble_mode_selector;
 	GtkButton *configure_joypad_skip;
@@ -206,6 +207,18 @@ static void on_sample_rate_changed(GtkWidget *w, PreferencesWindow *self) {
 	);
 }
 
+static void on_interference_volume_changed(GtkWidget *w, PreferencesWindow *self) {
+	GtkRange *range = GTK_RANGE(w);
+	gdouble value = gtk_range_get_value(range);
+	config.audio.interference_volume = (guint32) clamp_double(0, 255, value);
+
+	g_signal_emit(
+		self,
+		preferences_signals[PREF_UPDATE],
+		g_quark_from_static_string("audio-interference-volume"),
+		&config.audio.interference_volume
+	);
+}
 
 static void preferences_window_realize(GtkWidget *widget) {
 	PreferencesWindow *self = (PreferencesWindow *)widget;
@@ -225,6 +238,7 @@ static void preferences_window_realize(GtkWidget *widget) {
 
 	gtk_combo_box_set_active_id(GTK_COMBO_BOX(self->highpass_filter_selector), config.audio.high_pass_filter_id);
 	gtk_combo_box_set_active_id(GTK_COMBO_BOX(self->sample_rate_selector), g_strdup_printf("%i", config.audio.sample_rate));
+	gtk_range_set_value(GTK_RANGE(self->interference_volume_slider), (double) config.audio.interference_volume);
 
 	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(self->analog_speed_controls_toggle), config.controls.analog_speed_controls);
 	gtk_combo_box_set_active_id(GTK_COMBO_BOX(self->rumble_mode_selector), config.controls.rumble_mode);
@@ -251,6 +265,7 @@ static void preferences_window_class_init(PreferencesWindowClass *class) {
 	gtk_widget_class_bind_template_child(GTK_WIDGET_CLASS(class), PreferencesWindow, aspect_ratio_toggle);
 	gtk_widget_class_bind_template_child(GTK_WIDGET_CLASS(class), PreferencesWindow, highpass_filter_selector);
 	gtk_widget_class_bind_template_child(GTK_WIDGET_CLASS(class), PreferencesWindow, sample_rate_selector);
+	gtk_widget_class_bind_template_child(GTK_WIDGET_CLASS(class), PreferencesWindow, interference_volume_slider);
 	gtk_widget_class_bind_template_child(GTK_WIDGET_CLASS(class), PreferencesWindow, analog_speed_controls_toggle);
 	gtk_widget_class_bind_template_child(GTK_WIDGET_CLASS(class), PreferencesWindow, rumble_mode_selector);
 	gtk_widget_class_bind_template_child(GTK_WIDGET_CLASS(class), PreferencesWindow, configure_joypad_skip);
@@ -269,6 +284,7 @@ static void preferences_window_class_init(PreferencesWindowClass *class) {
 	gtk_widget_class_bind_template_callback(GTK_WIDGET_CLASS(class), on_keep_aspect_ratio_changed);
 	gtk_widget_class_bind_template_callback(GTK_WIDGET_CLASS(class), on_highpass_filter_changed);
 	gtk_widget_class_bind_template_callback(GTK_WIDGET_CLASS(class), on_sample_rate_changed);
+	gtk_widget_class_bind_template_callback(GTK_WIDGET_CLASS(class), on_interference_volume_changed);
 	gtk_widget_class_bind_template_callback(GTK_WIDGET_CLASS(class), on_analog_speed_controls_changed);
 	gtk_widget_class_bind_template_callback(GTK_WIDGET_CLASS(class), on_rumble_mode_changed);
 

gtk3/resources/ui/preferences_window.ui

@@ -573,6 +573,8 @@ Author: Maximilian Mader
             </child>
             <child>
               <object class="GtkComboBoxText" id="sample_rate_selector">
+                <property name="margin_top">5</property>
+                <property name="margin_bottom">10</property>
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
                 <items>
@@ -590,6 +592,35 @@ Author: Maximilian Mader
                 <property name="position">3</property>
               </packing>
             </child>
+            <child>
+              <object class="GtkLabel">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes">Interference volume:</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">4</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkScale" id="interference_volume_slider">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="adjustment">byteAdjustment</property>
+                <property name="round_digits">0</property>
+                <property name="digits">0</property>
+                <property name="value_pos">left</property>
+                <signal name="value-changed" handler="on_interference_volume_changed" swapped="no"/>
+                <signal name="format-value" handler="format_scale_value_pct" swapped="no"/>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">5</property>
+              </packing>
+            </child>
           </object>
           <packing>
             <property name="position">2</property>
@@ -976,4 +1007,10 @@ Author: Maximilian Mader
       </row>
     </data>
   </object>
+
+  <object class="GtkAdjustment" id="byteAdjustment">
+    <property name="upper">255</property>
+    <property name="step_increment">1</property>
+    <property name="page_increment">8</property>
+  </object>
 </interface>

gtk3/resources/ui/window.ui

@@ -37,7 +37,7 @@ Author: Maximilian Mader
     <property name="can_focus">False</property>
     <property name="type_hint">normal</property>
     <property name="program_name">SameBoy</property>
-    <property name="copyright" translatable="yes">Copyright © 2015-2019 Lior Halphon</property>
+    <property name="copyright" translatable="yes">Copyright © 2015-2021 Lior Halphon</property>
     <property name="website">https://sameboy.github.io</property>
     <property name="website_label" translatable="yes">sameboy.github.io</property>
     <property name="authors">Lior Halphon https://github.com/LIJI32

gtk3/util.c

@@ -157,3 +157,12 @@ gboolean scroll_to_bottom(GtkTextView *textview, GtkTextMark *mark) {
 
 	return true;
 }
+
+gchar* format_scale_value_pct(GtkScale *scale, gdouble value) {
+	GtkAdjustment *adj = gtk_range_get_adjustment(GTK_RANGE(scale));
+	gdouble lower = gtk_adjustment_get_lower(adj);
+	gdouble upper = gtk_adjustment_get_upper(adj);
+	gdouble range = fabs(upper - lower);
+	gdouble pct = (value / range) * 100.0;
+	return g_strdup_printf ("%.1f%% ", pct);
+}

gtk3/util.h

@@ -27,4 +27,6 @@ void set_combo_box_row_separator_func(GtkContainer *container);
 
 gboolean scroll_to_bottom(GtkTextView *textview, GtkTextMark *mark);
 
+gchar* format_scale_value_pct(GtkScale *scale, gdouble value);
+
 #endif