[gnome-software] Make the paragraph spacing 24px to match the mockup

[Richard Hughes <rhughes src gnome org>]

commit 1a0b678b7a92ccf7ba1386a358320f224fceb42f
Author: Richard Hughes <richard hughsie com>
Date:   Thu Oct 10 11:37:39 2013 +0100

    Make the paragraph spacing 24px to match the mockup
    
    This means we have to split the paragraphs and add each one to it's own GtkLabel.

 src/gnome-software.ui  |   13 +++++------
 src/gs-shell-details.c |   57 +++++++++++++++++++++++++++++++++++++++++------
 2 files changed, 55 insertions(+), 15 deletions(-)
---
diff --git a/src/gnome-software.ui b/src/gnome-software.ui
index faabb96..124cca5 100644
--- a/src/gnome-software.ui
+++ b/src/gnome-software.ui
@@ -874,15 +874,14 @@
                   </packing>
                 </child>
                 <child>
-                  <object class="GtkLabel" id="application_details_description">
+                  <object class="GtkBox" id="box_details_description">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
-                    <property name="xalign">0</property>
-                    <property name="wrap">True</property>
-                    <property name="max_width_chars">80</property>
-                    <style>
-                      <class name="application-details-description"/>
-                    </style>
+                    <property name="orientation">vertical</property>
+                    <property name="spacing">16</property>
+                    <child>
+                      <placeholder/>
+                    </child>
                   </object>
                   <packing>
                     <property name="expand">False</property>
diff --git a/src/gs-shell-details.c b/src/gs-shell-details.c
index 87a6dcf..8f062e9 100644
--- a/src/gs-shell-details.c
+++ b/src/gs-shell-details.c
@@ -297,6 +297,50 @@ gs_shell_details_website_cb (GtkWidget *widget, GsShellDetails *shell_details)
 }
 
 /**
+ * gs_shell_details_set_description:
+ **/
+static void
+gs_shell_details_set_description (GsShellDetails *shell_details, const gchar *tmp)
+{
+       GsShellDetailsPrivate *priv = shell_details->priv;
+       GtkStyleContext *style_context;
+       GtkWidget *para;
+       GtkWidget *widget;
+       gchar **split = NULL;
+       guint i;
+
+       /* does the description exist? */
+       widget = GTK_WIDGET (gtk_builder_get_object (priv->builder,
+                                                    "box_details_description"));
+       gtk_widget_set_visible (widget, tmp != NULL);
+       if (tmp == NULL)
+               goto out;
+
+       /* add each paragraph as a new GtkLabel which lets us get the 24px
+        * paragraph spacing */
+       gs_container_remove_all (GTK_CONTAINER (widget));
+       split = g_strsplit (tmp, "\n\n", -1);
+       for (i = 0; split[i] != NULL; i++) {
+               para = gtk_label_new (split[i]);
+               gtk_label_set_line_wrap (GTK_LABEL (para), TRUE);
+               gtk_label_set_max_width_chars (GTK_LABEL (para), 80);
+               gtk_widget_set_visible (para, TRUE);
+               g_object_set (para,
+                             "xalign", 0.0,
+                             NULL);
+
+               /* add style class for theming */
+               style_context = gtk_widget_get_style_context (para);
+               gtk_style_context_add_class (style_context,
+                                            "application-details-description");
+
+               gtk_box_pack_start (GTK_BOX (widget), para, FALSE, FALSE, 0);
+       }
+out:
+       g_strfreev (split);
+}
+
+/**
  * gs_shell_details_refresh_all:
  **/
 static void
@@ -330,15 +374,12 @@ gs_shell_details_refresh_all (GsShellDetails *shell_details)
        } else {
                gtk_widget_set_visible (widget, FALSE);
        }
+
+       /* set the description */
        tmp = gs_app_get_description (priv->app);
-       widget = GTK_WIDGET (gtk_builder_get_object (priv->builder, "application_details_description"));
-       if (tmp != NULL && tmp[0] != '\0') {
-               gtk_label_set_label (GTK_LABEL (widget), tmp);
-               gtk_widget_set_visible (widget, TRUE);
-       } else {
-               gtk_widget_set_visible (widget, FALSE);
-       }
-       widget = GTK_WIDGET (gtk_builder_get_object (priv->builder, 
"application_details_description_header"));
+       gs_shell_details_set_description (shell_details, tmp);
+       widget = GTK_WIDGET (gtk_builder_get_object (priv->builder,
+                                                    "application_details_description_header"));
        gtk_widget_set_visible (widget, tmp != NULL);
 
        pixbuf = gs_app_get_pixbuf (priv->app);