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-rw-r--r--calendar/gui/e-meeting-time-sel.c144
1 files changed, 144 insertions, 0 deletions
diff --git a/calendar/gui/e-meeting-time-sel.c b/calendar/gui/e-meeting-time-sel.c
index 69d9e27ffb..3747a7be1d 100644
--- a/calendar/gui/e-meeting-time-sel.c
+++ b/calendar/gui/e-meeting-time-sel.c
@@ -196,6 +196,12 @@ static void e_meeting_time_selector_update_end_date_edit (EMeetingTimeSelector *
static void e_meeting_time_selector_ensure_meeting_time_shown (EMeetingTimeSelector *mts);
static void e_meeting_time_selector_update_dates_shown (EMeetingTimeSelector *mts);
static gboolean e_meeting_time_selector_on_canvas_scroll_event (GtkWidget *widget, GdkEventScroll *event, EMeetingTimeSelector *mts);
+static gboolean e_meeting_time_selector_on_canvas_query_tooltip (GtkWidget *widget,
+ gint x,
+ gint y,
+ gboolean keyboard_mode,
+ GtkTooltip *tooltip,
+ gpointer user_data);
static void row_inserted_cb (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data);
static void row_changed_cb (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data);
@@ -522,6 +528,15 @@ e_meeting_time_selector_construct (EMeetingTimeSelector *mts,
g_signal_connect (
mts->display_main, "scroll-event",
G_CALLBACK (e_meeting_time_selector_on_canvas_scroll_event), mts);
+ /* used for displaying extended free/busy (XFB) display when hovering
+ * over a busy period which carries XFB information */
+ g_signal_connect (mts->display_main,
+ "query-tooltip",
+ G_CALLBACK (e_meeting_time_selector_on_canvas_query_tooltip),
+ mts);
+ g_object_set (G_OBJECT (mts->display_main),
+ "has-tooltip", TRUE,
+ NULL);
scrollable = GTK_SCROLLABLE (mts->display_main);
@@ -2660,6 +2675,135 @@ e_meeting_time_selector_on_canvas_scroll_event (GtkWidget *widget,
return return_val;
}
+/* Sets a tooltip for the busy periods canvas. If the mouse pointer
+ * hovers over a busy period for which extended free/busy (XFB) data
+ * could be extracted from the vfreebusy calendar object, the tooltip
+ * will be shown (currently displays the summary and the location of
+ * for the busy period, if available). See EMeetingXfbData for a reference.
+ *
+ */
+static gboolean
+e_meeting_time_selector_on_canvas_query_tooltip (GtkWidget *widget,
+ gint x,
+ gint y,
+ gboolean keyboard_mode,
+ GtkTooltip *tooltip,
+ gpointer user_data)
+{
+ EMeetingTimeSelector *mts = NULL;
+ EMeetingAttendee *attendee = NULL;
+ EMeetingFreeBusyPeriod *period = NULL;
+ EMeetingXfbData *xfb = NULL;
+ GtkScrollable *scrollable = NULL;
+ GtkAdjustment *adjustment = NULL;
+ const GArray *periods = NULL;
+ gint scroll_x = 0;
+ gint scroll_y = 0;
+ gint mouse_x = 0;
+ gint row = 0;
+ gint first_idx = 0;
+ gint ii = 0;
+ gchar *tt_text = NULL;
+
+ g_return_val_if_fail (GNOME_IS_CANVAS (widget), FALSE);
+ g_return_val_if_fail (GTK_IS_TOOLTIP (tooltip), FALSE);
+ g_return_val_if_fail (E_IS_MEETING_TIME_SELECTOR (user_data), FALSE);
+
+ mts = E_MEETING_TIME_SELECTOR (user_data);
+
+ scrollable = GTK_SCROLLABLE (widget);
+ adjustment = gtk_scrollable_get_hadjustment (scrollable);
+ scroll_x = (gint) gtk_adjustment_get_value (adjustment);
+ adjustment = gtk_scrollable_get_vadjustment (scrollable);
+ scroll_y = (gint) gtk_adjustment_get_value (adjustment);
+
+ /* calculate the attendee index (row) we're at */
+ row = (scroll_y + y) / mts->row_height;
+
+ /* no tooltip if we have no attendee in the row */
+ if (row > e_meeting_store_count_actual_attendees (mts->model) - 1)
+ return FALSE;
+
+ /* no tooltip if attendee has no calendar info */
+ attendee = e_meeting_store_find_attendee_at_row (mts->model, row);
+ g_return_val_if_fail (E_IS_MEETING_ATTENDEE (attendee), FALSE);
+ if (!e_meeting_attendee_get_has_calendar_info (attendee))
+ return FALSE;
+
+ /* get the attendee's busy times array */
+ periods = e_meeting_attendee_get_busy_periods (attendee);
+ g_return_val_if_fail (periods != NULL, FALSE);
+ g_return_val_if_fail (periods->len > 0, FALSE);
+
+ /* no tooltip if no busy period reaches into the current canvas area */
+ first_idx = e_meeting_attendee_find_first_busy_period (attendee,
+ &(mts->first_date_shown));
+ if (first_idx < 0)
+ return FALSE;
+
+ /* calculate the mouse tip x position in the canvas area */
+ mouse_x = x + scroll_x;
+
+ /* find out whether mouse_x lies inside a busy
+ * period (we start with the index of the first
+ * one reaching into the current canvas area)
+ */
+ for (ii = first_idx; ii < periods->len; ii++) {
+ EMeetingFreeBusyPeriod *p = NULL;
+ gint sx = 0;
+ gint ex = 0;
+
+ p = &(g_array_index (periods,
+ EMeetingFreeBusyPeriod,
+ ii));
+ /* meeting start time x position */
+ sx = e_meeting_time_selector_calculate_time_position (mts,
+ &(p->start));
+ /* meeting end time x position */
+ ex = e_meeting_time_selector_calculate_time_position (mts,
+ &(p->end));
+ if ((mouse_x >= sx) && (mouse_x <= ex)) {
+ /* found busy period the mouse tip is over */
+ period = p;
+ break;
+ }
+ }
+
+ /* no tooltip if we did not find a busy period under
+ * the mouse pointer
+ */
+ if (period == NULL)
+ return FALSE;
+
+ /* get the extended free/busy data
+ * (no tooltip if none available)
+ */
+ xfb = &(period->xfb);
+ if ((xfb->summary == NULL) && (xfb->location == NULL))
+ return FALSE;
+
+ /* Create the tooltip text. The data sent by the server will
+ * have been validated for UTF-8 conformance (and possibly
+ * forced into) as well as length-limited by a call to the
+ * e_meeting_xfb_utf8_string_new_from_ical() function in
+ * process_free_busy_comp_get_xfb() (e-meeting-store.c)
+ */
+ if (xfb->summary && xfb->location)
+ tt_text = g_strdup_printf (_("Summary: %s\nLocation: %s"), xfb->summary, xfb->location);
+ else if (xfb->summary)
+ tt_text = g_strdup_printf (_("Summary: %s"), xfb->summary);
+ else if (xfb->location)
+ tt_text = g_strdup_printf (_("Location: %s"), xfb->location);
+ else
+ g_return_val_if_reached (FALSE);
+
+ /* set XFB information as tooltip text */
+ gtk_tooltip_set_text (tooltip, tt_text);
+ g_free (tt_text);
+
+ return TRUE;
+}
+
/* This updates the canvas scroll regions according to the number of attendees.
* If the total height needed is less than the height of the canvas, we must
* use the height of the canvas, or it causes problems. */
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-19 01:35:52 +0800