add appointment menuitem

2 files changed, 493 insertions, 0 deletions

diff --git a/src/idoappointmentmenuitem.c b/src/idoappointmentmenuitem.c
new file mode 100644
index 0000000..9329009
--- /dev/null
+++ b/src/idoappointmentmenuitem.c
@@ -0,0 +1,414 @@
+/**
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@canonical.com>
+ *
+ * This program is free software: you can redistribute it and/or modify it 
+ * under the terms of the GNU General Public License version 3, as published 
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but 
+ * WITHOUT ANY WARRANTY; without even the implied warranties of 
+ * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR 
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along 
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+ #include "config.h"
+#endif
+
+#include <string.h> /* strstr() */
+
+#include <gtk/gtk.h>
+
+#include "idoactionhelper.h"
+#include "idoappointmentmenuitem.h"
+
+enum
+{
+  PROP_0,
+  PROP_COLOR,
+  PROP_SUMMARY,
+  PROP_TIME,
+  PROP_FORMAT,
+  PROP_LAST
+};
+
+static GParamSpec *properties[PROP_LAST];
+
+struct _IdoAppointmentMenuItemPrivate
+{
+  char * summary;
+  char * format;
+  char * color_string;
+  GDateTime * date_time;
+
+  GtkWidget * color_image;
+  GtkWidget * summary_label;
+  GtkWidget * timestamp_label;
+};
+
+typedef IdoAppointmentMenuItemPrivate priv_t;
+
+G_DEFINE_TYPE (IdoAppointmentMenuItem,
+               ido_appointment_menu_item,
+               GTK_TYPE_MENU_ITEM);
+
+/***
+****  GObject Virtual Functions
+***/
+
+static void
+my_get_property (GObject     * o,
+                 guint         property_id,
+                 GValue      * v,
+                 GParamSpec  * pspec)
+{
+  IdoAppointmentMenuItem * self = IDO_APPOINTMENT_MENU_ITEM (o);
+  priv_t * p = self->priv;
+
+  switch (property_id)
+    {
+      case PROP_COLOR:
+        g_value_set_string (v, p->color_string);
+        break;
+
+      case PROP_SUMMARY:
+        g_value_set_string (v, p->summary);
+        break;
+
+      case PROP_FORMAT:
+        g_value_set_string (v, p->format);
+        break;
+
+      case PROP_TIME:
+        g_value_set_uint64 (v, g_date_time_to_unix (p->date_time));
+        break;
+
+      default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (o, property_id, pspec);
+        break;
+    }
+}
+
+static void
+my_set_property (GObject       * o,
+                 guint           property_id,
+                 const GValue  * v,
+                 GParamSpec    * pspec)
+{
+  IdoAppointmentMenuItem * self = IDO_APPOINTMENT_MENU_ITEM (o);
+
+  switch (property_id)
+    {
+      case PROP_COLOR:
+        ido_appointment_menu_item_set_color (self, g_value_get_string (v));
+        break;
+
+      case PROP_SUMMARY:
+        ido_appointment_menu_item_set_summary (self, g_value_get_string (v));
+        break;
+
+      case PROP_FORMAT:
+        ido_appointment_menu_item_set_format (self, g_value_get_string (v));
+        break;
+
+      case PROP_TIME:
+        ido_appointment_menu_item_set_time (self, g_value_get_int64 (v));
+        break;
+
+      default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (o, property_id, pspec);
+        break;
+    }
+}
+
+static void
+my_dispose (GObject * object)
+{
+  IdoAppointmentMenuItem * self = IDO_APPOINTMENT_MENU_ITEM (object);
+  priv_t * p = self->priv;
+
+  g_clear_pointer (&p->date_time, g_date_time_unref);
+
+  G_OBJECT_CLASS (ido_appointment_menu_item_parent_class)->dispose (object);
+}
+
+static void
+my_finalize (GObject * object)
+{
+  IdoAppointmentMenuItem * self = IDO_APPOINTMENT_MENU_ITEM (object);
+  priv_t * p = self->priv;
+
+  g_free (p->color_string);
+  g_free (p->summary);
+  g_free (p->format);
+
+  G_OBJECT_CLASS (ido_appointment_menu_item_parent_class)->finalize (object);
+}
+
+/***
+****  Instantiation
+***/
+
+static void
+ido_appointment_menu_item_class_init (IdoAppointmentMenuItemClass *klass)
+{
+  GParamFlags prop_flags;
+  GObjectClass * gobject_class = G_OBJECT_CLASS (klass);
+
+  g_type_class_add_private (klass, sizeof (IdoAppointmentMenuItemPrivate));
+
+  gobject_class->get_property = my_get_property;
+  gobject_class->set_property = my_set_property;
+  gobject_class->dispose = my_dispose;
+  gobject_class->finalize = my_finalize;
+
+  prop_flags = G_PARAM_CONSTRUCT
+             | G_PARAM_READWRITE
+             | G_PARAM_STATIC_STRINGS;
+
+  properties[PROP_COLOR] = g_param_spec_string (
+    "color",
+    "Color",
+    "Color coding for the appointment's type",
+    "White",
+    prop_flags);
+
+  properties[PROP_SUMMARY] = g_param_spec_string (
+    "summary",
+    "Summary",
+    "Brief description of the appointment",
+    "",
+    prop_flags);
+
+  properties[PROP_TIME] = g_param_spec_int64 (
+    "time",
+    "Time",
+    "unix time_t specifying when the appointment begins",
+    0, G_MAXINT64, 0,
+    prop_flags);
+
+  properties[PROP_FORMAT] = g_param_spec_string (
+    "format",
+    "strftime format",
+    "strftime-style format string for the timestamp",
+    "%F %T",
+    prop_flags);
+
+  g_object_class_install_properties (gobject_class, PROP_LAST, properties);
+}
+
+static void
+ido_appointment_menu_item_init (IdoAppointmentMenuItem *self)
+{
+  priv_t * p;
+  GtkBox * box;
+  GtkWidget * w;
+
+  self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
+                                            IDO_APPOINTMENT_MENU_ITEM_TYPE,
+                                            IdoAppointmentMenuItemPrivate);
+
+  p = self->priv;
+
+  p->color_image = gtk_image_new ();
+  p->summary_label = gtk_label_new (NULL);
+  p->timestamp_label = gtk_label_new (NULL);
+  w = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 3);
+
+  gtk_misc_set_alignment (GTK_MISC(p->timestamp_label), 1.0, 0.5);
+  box = GTK_BOX (w);
+  gtk_box_pack_start (box, p->color_image, FALSE, FALSE, 2);
+  gtk_box_pack_start (box, p->summary_label, FALSE, FALSE, 2);
+  gtk_box_pack_end (box, p->timestamp_label, FALSE, FALSE, 5);
+
+  gtk_widget_show_all (w);
+  gtk_container_add (GTK_CONTAINER (self), w);
+}
+
+/***
+****
+***/
+
+static GdkPixbuf *
+create_color_icon_pixbuf (const char * color_spec)
+{
+  static int width = -1;
+  static int height = -1;
+  GdkPixbuf * pixbuf = NULL;
+
+  if (width == -1)
+    {
+      gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, &width, &height);
+      width = CLAMP (width, 10, 30);
+      height = CLAMP (height, 10, 30);
+    }
+
+  if (color_spec && *color_spec)
+    {
+      cairo_surface_t * surface;
+      cairo_t * cr;
+      GdkRGBA rgba;
+
+      surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
+      cr = cairo_create (surface);
+
+      if (gdk_rgba_parse (&rgba, color_spec))
+        gdk_cairo_set_source_rgba (cr, &rgba);
+
+      cairo_paint (cr);
+      cairo_set_source_rgba (cr, 0, 0, 0, 0.5);
+      cairo_set_line_width (cr, 1);
+      cairo_rectangle (cr, 0.5, 0.5, width-1, height-1);
+      cairo_stroke (cr);
+
+      pixbuf = gdk_pixbuf_get_from_surface (surface, 0, 0, width, height);
+
+      cairo_destroy (cr);
+      cairo_surface_destroy (surface);
+    }
+
+  return pixbuf;
+}
+
+static void
+update_timestamp_label (IdoAppointmentMenuItem * self)
+{
+  char * str;
+  priv_t * p = self->priv;
+
+  str = g_date_time_format (p->date_time, p->format);
+  gtk_label_set_text (GTK_LABEL(p->timestamp_label), str);
+  g_free (str);
+}
+
+/***
+****  Public API
+***/
+
+GtkWidget *
+ido_appointment_menu_item_new (void)
+{
+  return GTK_WIDGET (g_object_new (IDO_APPOINTMENT_MENU_ITEM_TYPE, NULL));
+}
+
+void
+ido_appointment_menu_item_set_color (IdoAppointmentMenuItem * self,
+                                     const char             * color_string)
+{
+  priv_t * p;
+  GdkPixbuf * pixbuf;
+
+  g_return_if_fail (IDO_IS_APPOINTMENT_MENU_ITEM (self));
+  p = self->priv;
+
+  g_free (p->color_string);
+  p->color_string = g_strdup (color_string);
+  pixbuf = create_color_icon_pixbuf (p->color_string);
+  gtk_image_set_from_pixbuf (GTK_IMAGE(p->color_image), pixbuf);
+  g_object_unref (G_OBJECT(pixbuf));
+}
+
+void
+ido_appointment_menu_item_set_summary (IdoAppointmentMenuItem * self,
+                                       const char             * summary)
+{
+  priv_t * p;
+
+  g_return_if_fail (IDO_IS_APPOINTMENT_MENU_ITEM (self));
+  p = self->priv;
+
+  g_free (p->summary);
+  p->summary = g_strdup (summary);
+  gtk_label_set_text (GTK_LABEL(p->summary_label), p->summary);
+}
+
+void
+ido_appointment_menu_item_set_time (IdoAppointmentMenuItem * self,
+                                    time_t                   time)
+{
+  priv_t * p;
+
+  g_return_if_fail (IDO_IS_APPOINTMENT_MENU_ITEM (self));
+  p = self->priv;
+
+  g_clear_pointer (&p->date_time, g_date_time_unref);
+  p->date_time = g_date_time_new_from_unix_local (time);
+  update_timestamp_label (self);
+}
+
+/**
+ * @strftime_fmt: the format string used to build the appointment's time string
+ */
+void
+ido_appointment_menu_item_set_format (IdoAppointmentMenuItem * self,
+                                      const char             * strftime_fmt)
+{
+  priv_t * p;
+
+  g_return_if_fail (IDO_IS_APPOINTMENT_MENU_ITEM (self));
+  p = self->priv;
+
+  g_free (p->format);
+  p->format = g_strdup (strftime_fmt);
+  update_timestamp_label (self);
+}
+
+GtkMenuItem *
+ido_appointment_menu_item_new_from_model (GMenuItem    * menu_item,
+                                          GActionGroup * actions)
+{
+  gint64 i64;
+  gchar * str;
+  IdoAppointmentMenuItem * ido_appointment;
+
+  ido_appointment = IDO_APPOINTMENT_MENU_ITEM (ido_appointment_menu_item_new());
+
+  if (g_menu_item_get_attribute (menu_item, "label", "s", &str))
+    {
+      ido_appointment_menu_item_set_summary (ido_appointment, str);
+      g_free (str);
+    }
+
+  if (g_menu_item_get_attribute (menu_item, "x-canonical-color", "s", &str))
+    {
+      ido_appointment_menu_item_set_color (ido_appointment, str);
+      g_free (str);
+    }
+
+  if (g_menu_item_get_attribute (menu_item, "x-canonical-time", "x", &i64))
+    {
+      ido_appointment_menu_item_set_time (ido_appointment, (time_t)i64);
+    }
+
+  if (g_menu_item_get_attribute (menu_item, "x-canonical-time-format", "s", &str))
+    {
+      ido_appointment_menu_item_set_format (ido_appointment, str);
+      g_free (str);
+    }
+
+  if (g_menu_item_get_attribute (menu_item, "action", "s", &str))
+    {
+      GVariant * target;
+      IdoActionHelper * helper;
+
+      target = g_menu_item_get_attribute_value (menu_item, "target",
+                                                G_VARIANT_TYPE_ANY);
+      helper = ido_action_helper_new (GTK_WIDGET(ido_appointment), actions,
+                                      str, target);
+      g_signal_connect_swapped (ido_appointment, "activate",
+                                G_CALLBACK (ido_action_helper_activate), helper);
+      g_signal_connect_swapped (ido_appointment, "destroy",
+                                G_CALLBACK (g_object_unref), helper);
+
+      g_clear_pointer (&target, g_variant_unref);
+      g_free (str);
+    }
+
+  return GTK_MENU_ITEM (ido_appointment);
+}
diff --git a/src/idoappointmentmenuitem.h b/src/idoappointmentmenuitem.h
new file mode 100644
index 0000000..3a8c853
--- /dev/null
+++ b/src/idoappointmentmenuitem.h
@@ -0,0 +1,79 @@
+/**
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@canonical.com>
+ *
+ * This program is free software: you can redistribute it and/or modify it 
+ * under the terms of the GNU General Public License version 3, as published 
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but 
+ * WITHOUT ANY WARRANTY; without even the implied warranties of 
+ * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR 
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along 
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __IDO_APPOINTMENT_MENU_ITEM_H__
+#define __IDO_APPOINTMENT_MENU_ITEM_H__
+
+#include <time.h> /* time_t */
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+#define IDO_APPOINTMENT_MENU_ITEM_TYPE    (ido_appointment_menu_item_get_type ())
+#define IDO_APPOINTMENT_MENU_ITEM(obj)    (G_TYPE_CHECK_INSTANCE_CAST ((obj), IDO_APPOINTMENT_MENU_ITEM_TYPE, IdoAppointmentMenuItem))
+#define IDO_IS_APPOINTMENT_MENU_ITEM(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), IDO_APPOINTMENT_MENU_ITEM_TYPE))
+
+typedef struct _IdoAppointmentMenuItem        IdoAppointmentMenuItem;
+typedef struct _IdoAppointmentMenuItemClass   IdoAppointmentMenuItemClass;
+typedef struct _IdoAppointmentMenuItemPrivate IdoAppointmentMenuItemPrivate;
+
+struct _IdoAppointmentMenuItemClass
+{
+  GtkMenuItemClass parent_class;
+};
+
+/**
+ * A menuitem that indicates a appointment.
+ *
+ * It contains a color-coded icon to indicate the appointment type,
+ * a primary label showing the appointment summary,
+ * and a right-justified secondary label telling when the appointment begins.
+ */
+struct _IdoAppointmentMenuItem
+{
+  /*< private >*/
+  GtkMenuItem parent;
+  IdoAppointmentMenuItemPrivate * priv;
+};
+
+
+GType ido_appointment_menu_item_get_type (void) G_GNUC_CONST;
+
+GtkWidget * ido_appointment_menu_item_new (void);
+
+GtkMenuItem * ido_appointment_menu_item_new_from_model (GMenuItem    * menuitem,
+                                                        GActionGroup * actions);
+
+void ido_appointment_menu_item_set_summary (IdoAppointmentMenuItem * menuitem,
+                                            const char             * summary);
+
+void ido_appointment_menu_item_set_time (IdoAppointmentMenuItem * menuitem,
+                                         time_t                   time);
+
+void ido_appointment_menu_item_set_color (IdoAppointmentMenuItem * menuitem,
+                                          const char             * color_str);
+
+void ido_appointment_menu_item_set_format (IdoAppointmentMenuItem * menuitem,
+                                           const char             * strftime_fmt);
+
+
+G_END_DECLS
+
+#endif