draft for a heatmap

data/inscriptions.gschema.xml.in

@@ -69,5 +69,10 @@
       <summary>Whether to highlight both source and target</summary>
       <description>Highlights alternating colours on both source and target in the TextView</description>
     </key>
+    <key name="language-heatmap" type="as">
+      <default>["", "", "", "", ""]</default>
+      <summary>Five last selected language code</summary>
+      <description>A list of recent selected language codes to make obvious in the UI</description>
+    </key>
   </schema>
 </schemalist>

data/meson.build

@@ -73,6 +73,7 @@ if not windows_build
     # Inject some variables into the metainfo file before merging in the translations
     appstream_conf = configuration_data()
     appstream_conf.set('APP_ID', app_id)
+    appstream_conf.set('APP_NAME', app_name)
     appstream_conf.set('GETTEXT_PACKAGE', meson.project_name())
     appstream_file_in = configure_file(
         input: 'inscriptions.metainfo.xml.in.in',

src/Constants.vala

@@ -42,6 +42,7 @@ namespace Inscriptions {
 	public const string KEY_VERTICAL_LAYOUT = "vertical-layout";
 	public const string KEY_AUTO_TRANSLATE = "auto-translate";
 	public const string KEY_HIGHLIGHT = "highlight";
+	public const string KEY_HEATMAP = "language-heatmap";
 
 	// Backend
 	public const string KEY_SOURCE_LANGUAGE = "source-language";

src/Objects/DDModel.vala

@@ -10,7 +10,7 @@
  */
 public class Inscriptions.DDModel : Object {
 
-	static string[] heatmap {get; set;}
+	static string[] heatmap = Application.settings.get_strv (KEY_HEATMAP);
 
 	public GLib.ListStore model {get; set;}
 	public Gtk.SignalListItemFactory factory_header {get; set;}
@@ -20,6 +20,8 @@ public class Inscriptions.DDModel : Object {
 	public signal void selection_changed (string language_code_selected);
 
 	public DDModel () {
+		//heatmap = Application.settings.get_strv (KEY_HEATMAP);
+
 		// The Langs will populate this thing
 		model = new GLib.ListStore(typeof(Lang));
 
@@ -49,7 +51,29 @@ public class Inscriptions.DDModel : Object {
 		var item = list_item.get_child () as Gtk.Label;
 		item.label = item_language.name;
 
+		// We save up a heatmap. It is rebuilt from scratch to avoid redundant language codes
+		// We could check beforehand and gate this but it would affect lisibility
+		string[] temp_heatmap = {item_language.code};
+		foreach (var recent_language_code in heatmap) {
+			if (recent_language_code != item_language.code) {
+				temp_heatmap += recent_language_code;
+			}
+
+			if (temp_heatmap.length == 5) {
+				break;
+			}
+		}
+		heatmap = temp_heatmap;
+		Application.settings.set_strv (KEY_HEATMAP, heatmap);
+
+		//Application.settings.set_strv (KEY_HEATMAP, heatmap);
+		print ("\n");
+		foreach (var element in heatmap) {
+			print (element + " ");
+		}
+
 		// Tell everyone language changed
+		// Items are connected to this and get their shit together out of it
 		selection_changed (item_language.code);
 		//print ("switched to: %s %s\n".printf (item_language.name, item_language.code));
 	}

src/Widgets/LanguageDropDown.vala

@@ -44,7 +44,7 @@ public class Inscriptions.LanguageDropDown : Granite.Bin {
 
   private void on_selected_language () {
     var selected_lang = dropdown.get_selected_item () as Lang;
-    print ("\nSELECTED %s\n".printf (selected_lang.code));
+    //print ("\nSELECTED %s\n".printf (selected_lang.code));
     language_changed (selected_lang.code);
 
   }

src/Widgets/LanguageItem.vala

@@ -28,7 +28,8 @@ public class Inscriptions.LanguageItem : Gtk.Box {
   construct {
     selected_emblem = new Gtk.Image.from_icon_name ("emblem-default-symbolic") {
       visible = false,
-      halign = Gtk.Align.END
+      halign = Gtk.Align.END,
+      margin_end = 15
     };
     selected_emblem.add_css_class (Granite.STYLE_CLASS_FLAT);
 
@@ -51,6 +52,7 @@ public class Inscriptions.LanguageItem : Gtk.Box {
   }
 
   public void on_position_changed (string language_code_selected) {
+    //print ("ADJUST! ");
 
     if (language_code_selected == language_code) {
       label_widget.add_css_class ("bold");

src/Widgets/LanguageSelectionBox.vala

@@ -74,7 +74,7 @@ public class Inscriptions.LanguageSelectionBox : Gtk.Box {
       dropdown_target.selected = code;
     }
 
-    print ("Set " + code + " Source?" + is_source.to_string () + "\n");
+    //print ("Set " + code + " Source?" + is_source.to_string () + "\n");
   }
 
   private string get_selected_language (bool is_source) {

src/Widgets/Panes/TargetPane.vala

@@ -24,7 +24,7 @@ public class Inscriptions.TargetPane : Inscriptions.Pane {
             margin_end = MARGIN_MENU_HALF
         };
 
-        var placeholder = new Gtk.Label (_("Ready!")) {
+        var placeholder = new Gtk.Label (_("Ready to translate")) {
             wrap = true
         };
         placeholder.add_css_class (Granite.STYLE_CLASS_H2_LABEL);