Set 'Start' gui button as default, so it is activated by pressing Enter

Author: martinber

docs/development.md

@@ -98,9 +98,6 @@ Notes:
 
 - Someday:
 
-    - Give focus to the "Decode" or "Resample" button so they are activated by
-        the Enter key.
-
     - Use new Rust `async` syntax.
 
     - Show telemetry bands on GUI.

src/decode.glade

@@ -63,6 +63,7 @@
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="hexpand">True</property>
+            <property name="activates_default">True</property>
             <property name="secondary_icon_stock">gtk-save-as</property>
           </object>
           <packing>
@@ -190,11 +191,11 @@
                 </child>
                 <child>
                   <object class="GtkCheckButton" id="rotate_image_check">
-                    <property name="label" translatable="yes">Rotate output image (South -> North passes)</property>
+                    <property name="label" translatable="yes">Rotate output image (South -&gt; North passes)</property>
                     <property name="visible">True</property>
                     <property name="can_focus">True</property>
                     <property name="receives_default">False</property>
-                    <property name="tooltip_text" translatable="yes">Enable for ascending (South -> North) satellite passes.</property>
+                    <property name="tooltip_text" translatable="yes">Enable for ascending (South -&gt; North) satellite passes.</property>
                     <property name="image_position">right</property>
                     <property name="draw_indicator">True</property>
                   </object>
@@ -249,6 +250,8 @@
             <property name="visible">True</property>
             <property name="sensitive">False</property>
             <property name="can_focus">True</property>
+            <property name="can_default">True</property>
+            <property name="has_default">True</property>
             <property name="receives_default">True</property>
             <property name="image">start_button_image</property>
             <property name="image_position">right</property>

src/gui.rs

@@ -328,6 +328,10 @@ fn build_ui(
     }
     widgets.start_button.set_sensitive(true);
 
+    // Set start button as default, so when the user presses the enter key this
+    // button will be pressed
+    widgets.start_button.grab_default();
+
     // Set timezone if on timestamp mode
     if let Some(label) = widgets.timezone_label.as_ref() {
         // Create any chrono::DateTime from chrono::Local, then ignore the

src/resample.glade

@@ -68,6 +68,7 @@
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="hexpand">True</property>
+            <property name="activates_default">True</property>
             <property name="secondary_icon_stock">gtk-save-as</property>
           </object>
           <packing>
@@ -91,6 +92,7 @@
           <object class="GtkSpinButton" id="rate_spinner">
             <property name="visible">True</property>
             <property name="can_focus">True</property>
+            <property name="activates_default">True</property>
             <property name="text" translatable="yes">11025</property>
             <property name="adjustment">rate_adjustment</property>
             <property name="numeric">True</property>
@@ -206,6 +208,8 @@
             <property name="visible">True</property>
             <property name="sensitive">False</property>
             <property name="can_focus">True</property>
+            <property name="can_default">True</property>
+            <property name="has_default">True</property>
             <property name="receives_default">True</property>
             <property name="image">start_button_image</property>
             <property name="image_position">right</property>