[evolution] Bug 622633 - Can't launch Evolution from clock applet

[Matthew Barnes <mbarnes src gnome org>]

commit 9d538474a855d64e338bf7a94925cbde31a81bd5
Author: Matthew Barnes <mbarnes redhat com>
Date:   Thu Jun 24 13:15:21 2010 -0400

    Bug 622633 - Can't launch Evolution from clock applet

 modules/calendar/e-cal-shell-backend.c |   83 +++++++++++++++++++++++++++++++-
 modules/calendar/e-cal-shell-backend.h |    4 ++
 widgets/misc/e-calendar-item.c         |   12 ++--
 widgets/misc/e-calendar-item.h         |    4 +-
 4 files changed, 94 insertions(+), 9 deletions(-)
---
diff --git a/modules/calendar/e-cal-shell-backend.c b/modules/calendar/e-cal-shell-backend.c
index e1f6823..006dca5 100644
--- a/modules/calendar/e-cal-shell-backend.c
+++ b/modules/calendar/e-cal-shell-backend.c
@@ -48,6 +48,7 @@
 #include "e-cal-shell-content.h"
 #include "e-cal-shell-migrate.h"
 #include "e-cal-shell-settings.h"
+#include "e-cal-shell-sidebar.h"
 #include "e-cal-shell-view.h"
 
 #define E_CAL_SHELL_BACKEND_GET_PRIVATE(obj) \
@@ -539,6 +540,8 @@ cal_shell_backend_handle_uri_cb (EShellBackend *shell_backend,
 	gchar *source_uid = NULL;
 	gchar *comp_uid = NULL;
 	gchar *comp_rid = NULL;
+	GDate start_date;
+	GDate end_date;
 	gboolean handled = FALSE;
 	GError *error = NULL;
 
@@ -553,6 +556,9 @@ cal_shell_backend_handle_uri_cb (EShellBackend *shell_backend,
 	if (cp == NULL)
 		goto exit;
 
+	g_date_clear (&start_date, 1);
+	g_date_clear (&end_date, 1);
+
 	while (*cp != '\0') {
 		gchar *header;
 		gchar *content;
@@ -572,7 +578,13 @@ cal_shell_backend_handle_uri_cb (EShellBackend *shell_backend,
 		content_len = strcspn (cp, "&");
 
 		content = g_strndup (cp, content_len);
-		if (g_ascii_strcasecmp (header, "source-uid") == 0)
+		if (g_ascii_strcasecmp (header, "startdate") == 0)
+			g_date_set_time_t (
+				&start_date, time_from_isodate (content));
+		else if (g_ascii_strcasecmp (header, "enddate") == 0)
+			g_date_set_time_t (
+				&end_date, time_from_isodate (content));
+		else if (g_ascii_strcasecmp (header, "source-uid") == 0)
 			source_uid = g_strdup (content);
 		else if (g_ascii_strcasecmp (header, "comp-uid") == 0)
 			comp_uid = g_strdup (content);
@@ -588,6 +600,21 @@ cal_shell_backend_handle_uri_cb (EShellBackend *shell_backend,
 		}
 	}
 
+	/* This is primarily for launching Evolution
+	 * from the calendar in the clock applet. */
+	if (g_date_valid (&start_date)) {
+		if (g_date_valid (&end_date))
+			e_cal_shell_backend_open_date_range (
+				E_CAL_SHELL_BACKEND (shell_backend),
+				&start_date, &end_date);
+		else
+			e_cal_shell_backend_open_date_range (
+				E_CAL_SHELL_BACKEND (shell_backend),
+				&start_date, NULL);
+		handled = TRUE;
+		goto exit;
+	}
+
 	if (source_uid == NULL || comp_uid == NULL)
 		goto exit;
 
@@ -831,3 +858,57 @@ e_cal_shell_backend_get_source_list (ECalShellBackend *cal_shell_backend)
 
 	return cal_shell_backend->priv->source_list;
 }
+
+void
+e_cal_shell_backend_open_date_range (ECalShellBackend *cal_shell_backend,
+                                     const GDate *start_date,
+                                     const GDate *end_date)
+{
+	EShell *shell;
+	EShellView *shell_view;
+	EShellBackend *shell_backend;
+	EShellSidebar *shell_sidebar;
+	GtkWidget *shell_window = NULL;
+	ECalendar *navigator;
+	GList *watched_windows;
+
+	g_return_if_fail (E_IS_CAL_SHELL_BACKEND (cal_shell_backend));
+
+	shell_backend = E_SHELL_BACKEND (cal_shell_backend);
+	shell = e_shell_backend_get_shell (shell_backend);
+	watched_windows = e_shell_get_watched_windows (shell);
+
+	/* Try to find an EShellWindow already in calendar view. */
+	while (watched_windows != NULL) {
+		GtkWidget *window = GTK_WIDGET (watched_windows->data);
+
+		if (E_IS_SHELL_WINDOW (window)) {
+			const gchar *active_view;
+
+			active_view = e_shell_window_get_active_view (
+				E_SHELL_WINDOW (window));
+			if (g_strcmp0 (active_view, "calendar") == 0) {
+				gtk_window_present (GTK_WINDOW (window));
+				shell_window = window;
+				break;
+			}
+		}
+
+		watched_windows = g_list_next (watched_windows);
+	}
+
+	/* Otherwise create a new EShellWindow in calendar view. */
+	if (shell_window == NULL)
+		shell_window = e_shell_create_shell_window (shell, "calendar");
+
+	/* Now dig up the date navigator and select the date range. */
+
+	shell_view = e_shell_window_get_shell_view (
+		E_SHELL_WINDOW (shell_window), "calendar");
+	shell_sidebar = e_shell_view_get_shell_sidebar (shell_view);
+	navigator = e_cal_shell_sidebar_get_date_navigator (
+		E_CAL_SHELL_SIDEBAR (shell_sidebar));
+
+	e_calendar_item_set_selection (
+		navigator->calitem, start_date, end_date);
+}
diff --git a/modules/calendar/e-cal-shell-backend.h b/modules/calendar/e-cal-shell-backend.h
index 497e200..4b19275 100644
--- a/modules/calendar/e-cal-shell-backend.h
+++ b/modules/calendar/e-cal-shell-backend.h
@@ -64,6 +64,10 @@ void		e_cal_shell_backend_register_type
 					(GTypeModule *type_module);
 ESourceList *	e_cal_shell_backend_get_source_list
 					(ECalShellBackend *cal_shell_backend);
+void		e_cal_shell_backend_open_date_range
+					(ECalShellBackend *cal_shell_backend,
+					 const GDate *start_date,
+					 const GDate *end_date);
 
 G_END_DECLS
 
diff --git a/widgets/misc/e-calendar-item.c b/widgets/misc/e-calendar-item.c
index e67c2b7..98ed03a 100644
--- a/widgets/misc/e-calendar-item.c
+++ b/widgets/misc/e-calendar-item.c
@@ -190,8 +190,8 @@ static void e_calendar_item_date_range_changed	(ECalendarItem	*calitem);
 static void e_calendar_item_queue_signal_emission	(ECalendarItem	*calitem);
 static gboolean e_calendar_item_signal_emission_idle_cb	(gpointer data);
 static void e_calendar_item_set_selection_if_emission (ECalendarItem	*calitem,
-						       GDate		*start_date,
-						       GDate		*end_date,
+						       const GDate	*start_date,
+						       const GDate	*end_date,
 						       gboolean emission);
 
 /* Our arguments. */
@@ -3096,8 +3096,8 @@ e_calendar_item_get_selection		(ECalendarItem	*calitem,
 
 static void
 e_calendar_item_set_selection_if_emission (ECalendarItem	*calitem,
-					   GDate		*start_date,
-					   GDate		*end_date,
+					   const GDate		*start_date,
+					   const GDate		*end_date,
 					   gboolean emission)
 {
 	gint start_year, start_month, start_day;
@@ -3199,8 +3199,8 @@ e_calendar_item_style_set (GtkWidget *widget, ECalendarItem *calitem)
 
 void
 e_calendar_item_set_selection (ECalendarItem	*calitem,
-			       GDate		*start_date,
-			       GDate		*end_date)
+			       const GDate	*start_date,
+			       const GDate	*end_date)
 {
 	/* If the user is in the middle of a selection, we must abort it. */
 	if (calitem->selecting) {
diff --git a/widgets/misc/e-calendar-item.h b/widgets/misc/e-calendar-item.h
index 4aab58e..34fa3e2 100644
--- a/widgets/misc/e-calendar-item.h
+++ b/widgets/misc/e-calendar-item.h
@@ -331,8 +331,8 @@ gboolean
    the start of the selection is shown. If start_date is NULL it clears the
    selection. */
 void	e_calendar_item_set_selection		(ECalendarItem *calitem,
-						 GDate *start_date,
-						 GDate *end_date);
+						 const GDate *start_date,
+						 const GDate *end_date);
 
 /* Marks a particular day. Passing E_CALENDAR_ITEM_MARK_BOLD as the day style
    will result in the day being shown as bold by default. The style callback