[sysprof] theme: add development highlight to headerbar

[Christian Hergert <chergert src gnome org>]

commit be185c2fbc7da088a950009e4af08f9412371fb5
Author: Christian Hergert <chergert redhat com>
Date:   Mon Oct 15 18:57:13 2018 -0700

    theme: add development highlight to headerbar

 meson.build                            |  5 +++++
 src/resources/sysprof.gresource.xml    |  1 +
 src/resources/theme/Adwaita-shared.css | 13 +++++++++++++
 src/sp-application.c                   | 11 +++++++++++
 src/sp-window.c                        |  8 ++++++++
 5 files changed, 38 insertions(+)
---
diff --git a/meson.build b/meson.build
index 2f0f1da..8150709 100644
--- a/meson.build
+++ b/meson.build
@@ -9,6 +9,8 @@ project('sysprof', ['c', 'cpp'],
   ]
 )
 
+version_split = meson.project_version().split('.')
+
 cc = meson.get_compiler('c')
 config_h = configuration_data()
 
@@ -32,6 +34,9 @@ config_h.set10('ENABLE_NLS', true)
 config_h.set_quoted('PACKAGE_LOCALE_DIR', join_paths(get_option('prefix'), get_option('datadir'), 'locale'))
 config_h.set('LOCALEDIR', 'PACKAGE_LOCALE_DIR')
 
+# Development build setup
+config_h.set('DEVELOPMENT_BUILD', version_split[1].to_int().is_odd())
+
 has_use_clockid = cc.has_member('struct perf_event_attr', 'use_clockid', prefix: '#include 
<linux/perf_event.h>')
 has_clockid = cc.has_member('struct perf_event_attr', 'clockid', prefix: '#include <linux/perf_event.h>')
 if has_use_clockid and has_clockid
diff --git a/src/resources/sysprof.gresource.xml b/src/resources/sysprof.gresource.xml
index 8fed68d..2d45c46 100644
--- a/src/resources/sysprof.gresource.xml
+++ b/src/resources/sysprof.gresource.xml
@@ -6,6 +6,7 @@
 
     <!-- Theme overrides -->
     <file compressed="true">theme/shared.css</file>
+    <file compressed="true">theme/Adwaita-shared.css</file>
 
     <!-- UI Files -->
     <file compressed="true">ui/sp-window.ui</file>
diff --git a/src/resources/theme/Adwaita-shared.css b/src/resources/theme/Adwaita-shared.css
new file mode 100644
index 0000000..244172f
--- /dev/null
+++ b/src/resources/theme/Adwaita-shared.css
@@ -0,0 +1,13 @@
+
+/* development styles */
+window.development-version headerbar {
+  background: transparent -gtk-icontheme("system-run-symbolic") 80% 0/128px 128px no-repeat,
+              linear-gradient(to left,
+                              mix(@theme_fg_color, @theme_bg_color, 0.5) 0%,
+                              @theme_bg_color 25%);
+  color: alpha(@theme_fg_color, 0.2);
+}
+
+window.development-version headerbar label {
+  color: @theme_fg_color;
+}
diff --git a/src/sp-application.c b/src/sp-application.c
index b7f39e0..21bee63 100644
--- a/src/sp-application.c
+++ b/src/sp-application.c
@@ -100,6 +100,9 @@ static void
 sp_application_startup (GApplication *application)
 {
   g_autoptr(GtkCssProvider) provider = NULL;
+#ifdef DEVELOPMENT_BUILD
+  g_autoptr(GtkCssProvider) adwaita = NULL;
+#endif
 
   g_assert (SP_IS_APPLICATION (application));
 
@@ -111,6 +114,14 @@ sp_application_startup (GApplication *application)
                                              GTK_STYLE_PROVIDER (provider),
                                              GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
 
+#ifdef DEVELOPMENT_BUILD
+  adwaita = gtk_css_provider_new ();
+  gtk_css_provider_load_from_resource (adwaita, "/org/gnome/sysprof/theme/Adwaita-shared.css");
+  gtk_style_context_add_provider_for_screen (gdk_screen_get_default (),
+                                             GTK_STYLE_PROVIDER (adwaita),
+                                             GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+#endif
+
   for (guint i = 0; default_accels[i].action_name; i++)
     gtk_application_set_accels_for_action (GTK_APPLICATION (application),
                                            default_accels[i].action_name,
diff --git a/src/sp-window.c b/src/sp-window.c
index 5d0485e..4643057 100644
--- a/src/sp-window.c
+++ b/src/sp-window.c
@@ -16,6 +16,10 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "config.h"
+
+#define G_LOG_DOMAIN "sp-window"
+
 #include <errno.h>
 #include <glib/gi18n.h>
 #include <math.h>
@@ -859,6 +863,10 @@ sp_window_init (SpWindow *self)
 
   gtk_widget_init_template (GTK_WIDGET (self));
 
+#ifdef DEVELOPMENT_BUILD
+  gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (self)), "development-version");
+#endif
+
   /*
    * Hookup widget signals.
    */