[gnome-todo] color-button: Set up minimum height of 24px

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

commit 365fa4c5bf3276c30fa00de8fabda955e38dfbfc
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Wed Sep 5 10:54:36 2018 -0300

    color-button: Set up minimum height of 24px
    
    Looks and behaves slightly better.

 src/gtd-task-list-panel.c      |  1 +
 src/widgets/gtd-color-button.c | 19 ++++++++++++++++++-
 2 files changed, 19 insertions(+), 1 deletion(-)
---
diff --git a/src/gtd-task-list-panel.c b/src/gtd-task-list-panel.c
index d004a97..208e8bc 100644
--- a/src/gtd-task-list-panel.c
+++ b/src/gtd-task-list-panel.c
@@ -93,6 +93,7 @@ populate_color_grid (GtdTaskListPanel *self)
       gdk_rgba_parse (&color, colors[i]);
 
       button = gtd_color_button_new (&color);
+      gtk_widget_set_size_request (button, -1, 24);
 
       gtk_container_add (GTK_CONTAINER (self->colors_flowbox), button);
     }
diff --git a/src/widgets/gtd-color-button.c b/src/widgets/gtd-color-button.c
index eefe544..880d3de 100644
--- a/src/widgets/gtd-color-button.c
+++ b/src/widgets/gtd-color-button.c
@@ -59,7 +59,13 @@ gtd_color_button_measure (GtkWidget      *widget,
                           gint           *minimum_baseline,
                           gint           *natural_baseline)
 {
-  GtdColorButton *self = GTD_COLOR_BUTTON (widget);
+  GtdColorButton *self;
+  gint height_request;
+  gint width_request;
+
+  self = GTD_COLOR_BUTTON (widget);
+
+  gtk_widget_get_size_request (widget, &width_request, &height_request);
 
   gtk_widget_measure (self->selected_icon,
                       orientation,
@@ -68,6 +74,17 @@ gtd_color_button_measure (GtkWidget      *widget,
                       natural,
                       NULL,
                       NULL);
+
+  if (orientation == GTK_ORIENTATION_VERTICAL)
+    {
+      *minimum = MAX (*minimum, height_request);
+      *natural = MAX (*natural, height_request);
+    }
+  else
+    {
+      *minimum = MAX (*minimum, width_request);
+      *natural = MAX (*natural, width_request);
+    }
 }
 
 static void