[recipes] ingredients: Make clicking the placeholder add a row

[Matthias Clasen <matthiasc src gnome org>]

commit 1cdae3d8b8f1477835efa82a041c077c01d17542
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun May 7 21:41:13 2017 -0400

    ingredients: Make clicking the placeholder add a row
    
    We do the same in the image viewer. And it just makes sense.

 src/gr-ingredients-viewer.c  |    3 +--
 src/gr-ingredients-viewer.ui |   30 ++++++++++++++++++------------
 2 files changed, 19 insertions(+), 14 deletions(-)
---
diff --git a/src/gr-ingredients-viewer.c b/src/gr-ingredients-viewer.c
index 8ab74f2..e5006ea 100644
--- a/src/gr-ingredients-viewer.c
+++ b/src/gr-ingredients-viewer.c
@@ -237,8 +237,7 @@ edit_ingredient_row (GrIngredientsViewerRow *row,
 }
 
 static void
-add_row (GtkButton           *button,
-         GrIngredientsViewer *viewer)
+add_row (GrIngredientsViewer *viewer)
 {
         GtkWidget *row;
 
diff --git a/src/gr-ingredients-viewer.ui b/src/gr-ingredients-viewer.ui
index 2c05655..f3413be 100644
--- a/src/gr-ingredients-viewer.ui
+++ b/src/gr-ingredients-viewer.ui
@@ -61,18 +61,24 @@
           <class name="frame"/>
         </style>
         <child type="placeholder">
-          <object class="GtkLabel">
+          <object class="GtkEventBox">
             <property name="visible">1</property>
-            <property name="xalign">0.5</property>
-            <property name="halign">fill</property>
-            <property name="margin-start">20</property>
-            <property name="margin-end">20</property>
-            <property name="margin-top">10</property>
-            <property name="margin-bottom">10</property>
-            <property name="label" translatable="yes">No ingredients added yet</property>
-            <style>
-              <class name="dim-label"/>
-            </style>
+            <signal name="button-press-event" handler="add_row" swapped="yes"/>
+            <child>
+              <object class="GtkLabel">
+                <property name="visible">1</property>
+                <property name="xalign">0.5</property>
+                <property name="halign">fill</property>
+                <property name="margin-start">20</property>
+                <property name="margin-end">20</property>
+                <property name="margin-top">10</property>
+                <property name="margin-bottom">10</property>
+                <property name="label" translatable="yes">No ingredients added yet</property>
+                <style>
+                  <class name="dim-label"/>
+                </style>
+              </object>
+            </child>
           </object>
         </child>
       </object>
@@ -82,7 +88,7 @@
         <property name="visible">1</property>
         <property name="halign">start</property>
         <property name="margin-top">10</property>
-        <signal name="clicked" handler="add_row"/>
+        <signal name="clicked" handler="add_row" swapped="yes"/>
         <style>
           <class name="dim-label"/>
         </style>