[gnome-todo] theme: improve support on dark variants

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 3c6c292e0ff23d3f01a6ba1ef4afcefca417883b
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Oct 6 00:37:50 2016 -0300

    theme: improve support on dark variants

 data/theme/Adwaita.css                  |    4 ++--
 data/ui/list-view.ui                    |    3 +++
 src/gtd-task-list-view.c                |   10 ++++++++--
 src/views/gtd-list-selector-grid-item.c |   12 ++++++++++--
 4 files changed, 23 insertions(+), 6 deletions(-)
---
diff --git a/data/theme/Adwaita.css b/data/theme/Adwaita.css
index 15bd93d..2d6a92a 100644
--- a/data/theme/Adwaita.css
+++ b/data/theme/Adwaita.css
@@ -29,8 +29,8 @@ grid-item {
     background-color: transparent;
 }
 
-grid-item,
-task-list-view task-row {
+grid-item.light,
+task-list-view.light task-row label {
     color: #000003;
 }
 
diff --git a/data/ui/list-view.ui b/data/ui/list-view.ui
index 62f53f5..9710eed 100644
--- a/data/ui/list-view.ui
+++ b/data/ui/list-view.ui
@@ -29,6 +29,9 @@
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
                     <property name="shadow_type">none</property>
+                    <style>
+                      <class name="view" />
+                    </style>
                     <child>
                       <object class="GtkListBox" id="listbox">
                         <property name="visible">True</property>
diff --git a/src/gtd-task-list-view.c b/src/gtd-task-list-view.c
index 18b5375..292aef0 100644
--- a/src/gtd-task-list-view.c
+++ b/src/gtd-task-list-view.c
@@ -238,9 +238,15 @@ update_font_color (GtdTaskListView *view)
       color = gtd_task_list_get_color (priv->task_list);
 
       if (LUMINANCE (color) < 0.5)
-        gtk_style_context_add_class (context, "dark");
+        {
+          gtk_style_context_add_class (context, "dark");
+          gtk_style_context_remove_class (context, "light");
+        }
       else
-        gtk_style_context_remove_class (context, "dark");
+        {
+          gtk_style_context_add_class (context, "light");
+          gtk_style_context_remove_class (context, "dark");
+        }
 
       gdk_rgba_free (color);
     }
diff --git a/src/views/gtd-list-selector-grid-item.c b/src/views/gtd-list-selector-grid-item.c
index c930d64..e614b96 100644
--- a/src/views/gtd-list-selector-grid-item.c
+++ b/src/views/gtd-list-selector-grid-item.c
@@ -123,7 +123,15 @@ gtd_list_selector_grid_item__render_thumbnail (GtdListSelectorGridItem *item)
    * font color.
    */
   if (LUMINANCE (color) < 0.5)
-    gtk_style_context_add_class (context, "dark");
+    {
+      gtk_style_context_add_class (context, "dark");
+      gtk_style_context_remove_class (context, "light");
+    }
+  else
+    {
+      gtk_style_context_add_class (context, "light");
+      gtk_style_context_remove_class (context, "dark");
+    }
 
   /*
    * Sort the list, so that the first tasks are similar to what
@@ -172,7 +180,7 @@ gtd_list_selector_grid_item__render_thumbnail (GtdListSelectorGridItem *item)
            * If we reach the last visible row, it should draw a
            * "…" mark and stop drawing anything else
            */
-          if (y + (padding.top + font_height + padding.bottom) + margin.bottom > 174)
+          if (y + font_height + 4 + margin.bottom + padding.bottom > THUMBNAIL_SIZE)
             {
               pango_layout_set_text (layout,
                                      "…",