BInd last answer action to F7

Author: SubhadeepJasu

src/shell/MainWindow.vala

@@ -592,8 +592,12 @@ namespace Pebbles {
                 if (keyval == Gdk.Key.F8) {
                     on_change_mode ();
                     return;
+                } else if (keyval == Gdk.Key.F7) {
+                    on_last_ans ();
+                    return;
                 }
 
+
                 on_key_up (view_stack.visible_child_name, keyval);
 
                 if (view_stack.visible_child_name == Context.STATISTICS && keyval == Gdk.Key.Tab) {
@@ -840,6 +844,23 @@ namespace Pebbles {
             programmer_view.send_shift_modifier (on);
         }
 
+        protected void on_last_ans () {
+            switch (view_stack.visible_child_name) {
+                case Context.SCIENTIFIC:
+                    scientific_view.on_click_last_ans ();
+                    break;
+                case Context.CALCULUS:
+                    calculus_view.on_click_last_ans ();
+                    break;
+                case Context.PROGRAMMER:
+                    programmer_view.on_click_last_ans ();
+                    break;
+                case Context.GRAPHING:
+                    graphing_view.on_click_last_ans ();
+                    break;
+            }
+        }
+
         [GtkCallback]
         protected void set_theme (Gtk.CheckButton button) {
             if (button.active) {

src/shell/views/GraphingView.vala

@@ -315,7 +315,7 @@ namespace Pebbles {
         }
 
         [GtkCallback]
-        protected void on_click_last_ans () {
+        public void on_click_last_ans () {
             display.write ("Sans");
         }
 

src/shell/views/converters/ConverterView.vala

@@ -50,6 +50,7 @@ namespace Pebbles {
             from_entry_focus_controller.leave.connect (() => {
                 from_entry.add_css_class ("conversion-text-box-focused");
             });
+            focused_entry = from_entry;
 
             to_entry_focus_controller = new Gtk.EventControllerFocus ();
             to_entry.add_controller (to_entry_focus_controller);
@@ -245,7 +246,10 @@ namespace Pebbles {
         }
 
         public override void focus_main () {
-
+            Idle.add_once (() => {
+                focused_entry.grab_focus_without_selecting ();
+                focused_entry.set_position ((int) focused_entry.text_length);
+            });
         }
     }
 }

src/shell/widgets/displays/HistoryDisplay.vala

@@ -14,7 +14,7 @@ namespace Pebbles {
             realize.connect (() => {
                 Timeout.add_once (100, () => {
                     var win = (MainWindow) get_ancestor (typeof (MainWindow));
-                    print ("Refreshing history of %s\n", context);
+                    print ("DEBUG: Refreshing history of %s\n", context);
                     win.on_history_view (context);
                 });
             });

src/shell/widgets/displays/ProgrammerDisplay.vala

@@ -255,8 +255,10 @@ namespace Pebbles {
         }
 
         public void focus_entry () {
-            main_entry.grab_focus_without_selecting ();
-            main_entry.set_position (-1);
+            Idle.add_once (() => {
+                main_entry.grab_focus_without_selecting ();
+                main_entry.set_position (-1);
+            });
         }
 
         public void write (string str) {
@@ -307,7 +309,6 @@ namespace Pebbles {
         }
 
         protected bool input_handler (string full_expression, int input_length, string input_char) {
-            print ("Hi>>> %s %d %s\n", full_expression, input_length, input_char);
             display_all_number_systems ();
 
             if (input_char != "" && !entry_formatter.is_rule_present (input_char)) {