[gtk+/wip/matthiasc/monitor: 4/4] screen: Implement monitor apis generically

[Matthias Clasen <matthiasc src gnome org>]

commit 1c0a93b3f8a9d9fa3af79b75d0ec807cceaef4f8
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Apr 2 10:18:16 2016 -0400

    screen: Implement monitor apis generically
    
    Implement all the monitor-related GdkScreen apis based on
    gdk_display_list_monitors.

 gdk/gdkscreen.c |  121 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 120 insertions(+), 1 deletions(-)
---
diff --git a/gdk/gdkscreen.c b/gdk/gdkscreen.c
index d217eae..3e2b618 100644
--- a/gdk/gdkscreen.c
+++ b/gdk/gdkscreen.c
@@ -57,6 +57,21 @@ static void gdk_screen_get_property (GObject        *object,
                                     GValue         *value,
                                     GParamSpec     *pspec);
 
+static gint gdk_screen_real_get_n_monitors (GdkScreen *screen);
+static gint gdk_screen_real_get_primary_monitor (GdkScreen *screen);
+static gint gdk_screen_real_get_monitor_width_mm (GdkScreen *screen,
+                                                  gint       monitor_num);
+static gint gdk_screen_real_get_monitor_height_mm (GdkScreen *screen,
+                                                  gint       monitor_num);
+static gchar * gdk_screen_real_get_monitor_plug_name (GdkScreen *screen,
+                                                      gint       monitor_num);
+static void gdk_screen_real_get_monitor_geometry (GdkScreen    *screen,
+                                                  gint          monitor_num,
+                                                  GdkRectangle *dest);
+static void gdk_screen_real_get_monitor_workarea (GdkScreen    *screen,
+                                                  gint          monitor_num,
+                                                  GdkRectangle *dest);
+
 enum
 {
   PROP_0,
@@ -84,7 +99,15 @@ gdk_screen_class_init (GdkScreenClass *klass)
   object_class->finalize = gdk_screen_finalize;
   object_class->set_property = gdk_screen_set_property;
   object_class->get_property = gdk_screen_get_property;
-  
+
+  klass->get_n_monitors = gdk_screen_real_get_n_monitors;
+  klass->get_primary_monitor = gdk_screen_real_get_primary_monitor;
+  klass->get_monitor_width_mm = gdk_screen_real_get_monitor_width_mm;
+  klass->get_monitor_height_mm = gdk_screen_real_get_monitor_height_mm;
+  klass->get_monitor_plug_name = gdk_screen_real_get_monitor_plug_name;
+  klass->get_monitor_geometry = gdk_screen_real_get_monitor_geometry;
+  klass->get_monitor_workarea = gdk_screen_real_get_monitor_workarea;
+
   g_object_class_install_property (object_class,
                                   PROP_FONT_OPTIONS,
                                   g_param_spec_pointer ("font-options",
@@ -703,6 +726,102 @@ gdk_screen_get_root_window (GdkScreen *screen)
   return GDK_SCREEN_GET_CLASS (screen)->get_root_window (screen);
 }
 
+static GdkMonitor *
+get_monitor (GdkScreen *screen,
+             gint       n)
+{
+  GdkDisplay *display;
+  GdkMonitor *monitor;
+  GList *list;
+
+  display = gdk_screen_get_display (screen);
+  list = gdk_display_list_monitors (display);
+  monitor = g_list_nth_data (list, n);
+  g_list_free (list);
+
+  return monitor;
+}
+
+static gint
+gdk_screen_real_get_n_monitors (GdkScreen *screen)
+{
+  GdkDisplay *display;
+  GList *list;
+  gint length;
+
+  display = gdk_screen_get_display (screen);
+  list = gdk_display_list_monitors (display);
+  length = g_list_length (list);
+  g_list_free (list);
+  return length;
+}
+
+static gint
+gdk_screen_real_get_primary_monitor (GdkScreen *screen)
+{
+  /* FIXME */
+  return 0;
+}
+
+static gint
+gdk_screen_real_get_monitor_width_mm (GdkScreen *screen,
+                                      gint       monitor_num)
+{
+  GdkMonitor *monitor;
+  int width_mm, height_mm;
+
+  monitor = get_monitor (screen, monitor_num);
+  gdk_monitor_get_size (monitor, &width_mm, &height_mm);
+
+  return width_mm;
+}
+
+static gint
+gdk_screen_real_get_monitor_height_mm (GdkScreen *screen,
+                                       gint       monitor_num)
+{
+  GdkMonitor *monitor;
+  int width_mm, height_mm;
+
+  monitor = get_monitor (screen, monitor_num);
+  gdk_monitor_get_size (monitor, &width_mm, &height_mm);
+
+  return height_mm;
+}
+
+static gchar *
+gdk_screen_real_get_monitor_plug_name (GdkScreen *screen,
+                                       gint       monitor_num)
+{
+  GdkMonitor *monitor;
+
+  monitor = get_monitor (screen, monitor_num);
+  return g_strdup (gdk_monitor_get_model (monitor));
+}
+
+static void
+gdk_screen_real_get_monitor_geometry (GdkScreen    *screen,
+                                      gint          monitor_num,
+                                      GdkRectangle *dest)
+{
+  GdkMonitor *monitor;
+
+  monitor = get_monitor (screen, monitor_num);
+  gdk_monitor_get_geometry (monitor, dest);
+}
+
+static void
+gdk_screen_real_get_monitor_workarea (GdkScreen    *screen,
+                                      gint          monitor_num,
+                                      GdkRectangle *dest)
+{
+  GdkMonitor *monitor;
+
+  monitor = get_monitor (screen, monitor_num);
+  /* FIXME */
+  gdk_monitor_get_geometry (monitor, dest);
+}
+
 /**
  * gdk_screen_get_n_monitors:
  * @screen: a #GdkScreen