From 899291f3cbf9b90ccda7af0bee9c3ce3928df0be Mon Sep 17 00:00:00 2001
From: Cyrille Bagard <nocbos@gmail.com>
Date: Sun, 17 Feb 2019 20:03:05 +0100
Subject: Reset edge selection when needed.
---
src/gtkext/gtkgraphdisplay.c | 42 +++++++++++++++++++++++++++++++++++++-----
1 file changed, 37 insertions(+), 5 deletions(-)
diff --git a/src/gtkext/gtkgraphdisplay.c b/src/gtkext/gtkgraphdisplay.c
index 0865e04..72519a2 100644
--- a/src/gtkext/gtkgraphdisplay.c
+++ b/src/gtkext/gtkgraphdisplay.c
@@ -119,6 +119,9 @@ static gboolean gtk_graph_display_button_release(GtkWidget *, GdkEventButton *,
/* Assure la suivi des déplacements de souris sur le composant. */
static gboolean gtk_graph_display_motion_notify(GtkWidget *, GdkEventMotion *, GtkGraphDisplay *);
+/* Réagit à une fin de survol du support graphique. */
+static gboolean gtk_graph_display_on_leave_notify(GtkWidget *, GdkEventCrossing *, GtkGraphDisplay *);
+
/* Prépare l'affichage d'une astuce. */
static gboolean gtk_graph_display_query_tooltip(GtkWidget *, gint, gint, gboolean, GtkTooltip *, GtkGraphDisplay *);
@@ -215,19 +218,21 @@ static void gtk_graph_display_init(GtkGraphDisplay *display)
G_CALLBACK(gtk_graph_display_draw), display);
g_signal_connect(G_OBJECT(display->support), "button-press-event",
- G_CALLBACK(gtk_graph_display_button_press), display);
+ G_CALLBACK(gtk_graph_display_button_press), display);
g_signal_connect(G_OBJECT(display->support), "button-release-event",
- G_CALLBACK(gtk_graph_display_button_release), display);
+ G_CALLBACK(gtk_graph_display_button_release), display);
g_signal_connect(G_OBJECT(display->support), "motion-notify-event",
- G_CALLBACK(gtk_graph_display_motion_notify), display);
+ G_CALLBACK(gtk_graph_display_motion_notify), display);
+ g_signal_connect(G_OBJECT(display->support), "leave-notify-event",
+ G_CALLBACK(gtk_graph_display_on_leave_notify), display);
g_signal_connect(G_OBJECT(display->support), "query-tooltip",
- G_CALLBACK(gtk_graph_display_query_tooltip), display);
+ G_CALLBACK(gtk_graph_display_query_tooltip), display);
g_object_set(G_OBJECT(display->support), "has-tooltip", TRUE, NULL);
gtk_widget_add_events(display->support,
GDK_BUTTON_MOTION_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
- | GDK_POINTER_MOTION_MASK);
+ | GDK_LEAVE_NOTIFY_MASK | GDK_POINTER_MOTION_MASK);
gtk_widget_show(display->support);
@@ -660,6 +665,33 @@ static gboolean gtk_graph_display_motion_notify(GtkWidget *widget, GdkEventMotio
/******************************************************************************
* *
+* Paramètres : widget = composant GTK visé par l'opération. *
+* event = informations liées à l'événement. *
+* display = support maître à consulter. *
+* *
+* Description : Réagit à une fin de survol du support graphique. *
+* *
+* Retour : TRUE pour arrêter la propagation du signal, FALSE sinon. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static gboolean gtk_graph_display_on_leave_notify(GtkWidget *widget, GdkEventCrossing *event, GtkGraphDisplay *display)
+{
+ if (display->hl_edge_index < display->edges_count)
+ {
+ display->hl_edge_index = display->edges_count;
+ gtk_widget_queue_draw(widget);
+ }
+
+ return FALSE;
+
+}
+
+
+/******************************************************************************
+* *
* Paramètres : widget = composant GTK visé par l'opération. *
* x = abscisse de la position du message. *
* y = ordonnée de la position du message. *
--
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