Defined a preferred size for views and reacted on scroll events.

git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@500 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a

1 files changed, 32 insertions, 29 deletions

diff --git a/src/gtkext/gtkbufferview.c b/src/gtkext/gtkbufferview.c
index be75d2f..0d74176 100644
--- a/src/gtkext/gtkbufferview.c
+++ b/src/gtkext/gtkbufferview.c
@@ -58,6 +58,9 @@ static void gtk_buffer_view_compute_requested_size(GtkBufferView *, gint *, gint
 /* Détermine la taille des bonds lors de défilements. */
 static void gtk_buffer_view_compute_scroll_inc(GtkBufferView *, gint, GtkOrientation, gdouble *, gdouble *);
 
+/* Réagit à un défilement chez une barre associée au composant. */
+static void gtk_buffer_view_adjust_scroll_value(GtkBufferView *, GtkAdjustment *, GtkOrientation);
+
 /* Indique la position d'affichage d'une adresse donnée. */
 static bool gtk_buffer_view_get_address_coordinates(const GtkBufferView *, const vmpa2t *, gint *, gint *, ScrollPositionTweak);
 
@@ -92,28 +95,6 @@ static gboolean gtk_buffer_view_refresh_caret(GtkBufferView *);
 G_DEFINE_TYPE(GtkBufferView, gtk_buffer_view, GTK_TYPE_VIEW_PANEL)
 
 
-/*
-  void               (* get_preferred_height)           (GtkWidget       *widget,
-                                                         gint            *minimum_height,
-                                                         gint            *natural_height);
-
-  void               (* get_preferred_width_for_height) (GtkWidget       *widget,
-                                                         gint             height,
-                                                         gint            *minimum_width,
-                                                         gint            *natural_width);
-  void               (* get_preferred_width)            (GtkWidget       *widget,
-                                                         gint            *minimum_width,
-                                                         gint            *natural_width);
-*/
-
-
-void get_preferred(GtkWidget *widget, gint *minimum, gint *natural)
-{
-    if (minimum != NULL) *minimum = 500;
-    if (natural != NULL) *natural = 500;
-}
-
-
 /******************************************************************************
 *                                                                             *
 *  Paramètres  : class = classe GTK à initialiser.                            *
@@ -139,13 +120,9 @@ static void gtk_buffer_view_class_init(GtkBufferViewClass *class)
     widget_class->draw = gtk_buffer_view_draw;
     widget_class->key_press_event = gtk_buffer_view_key_press;
 
-
-    widget_class->get_preferred_height = get_preferred;
-    widget_class->get_preferred_width = get_preferred;
-
-
-    panel_class->compute_size = (compute_requested_size)gtk_buffer_view_compute_requested_size;
-    panel_class->compute_inc = (compute_scroll_inc)gtk_buffer_view_compute_scroll_inc;
+    panel_class->compute_size = (compute_requested_size_fc)gtk_buffer_view_compute_requested_size;
+    panel_class->compute_inc = (compute_scroll_inc_fc)gtk_buffer_view_compute_scroll_inc;
+    panel_class->adjust = (adjust_scroll_value_fc)gtk_buffer_view_adjust_scroll_value;
     panel_class->get_coordinates = (get_addr_coordinates_fc)gtk_buffer_view_get_address_coordinates;
     panel_class->get_position = (get_view_position_fc)gtk_buffer_view_get_position;
 
@@ -578,6 +555,32 @@ static void gtk_buffer_view_compute_scroll_inc(GtkBufferView *view, gint size, G
 
 /******************************************************************************
 *                                                                             *
+*  Paramètres  : view        = panneau d'affichage concerné.                  *
+*                adj         = défilement dont une valeur a changé.           *
+*                orientation = indication sur le défilement à traiter.        *
+*                                                                             *
+*  Description : Réagit à un défilement chez une barre associée au composant. *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void gtk_buffer_view_adjust_scroll_value(GtkBufferView *view, GtkAdjustment *adj, GtkOrientation orientation)
+{
+    GtkWidget *widget;                      /* Autre vision du composant   */
+
+    widget = GTK_WIDGET(view);
+
+    if (gtk_widget_get_realized(widget))
+        gdk_window_invalidate_rect(gtk_widget_get_window(widget), NULL, false);
+
+}
+
+
+/******************************************************************************
+*                                                                             *
 *  Paramètres  : view  = composant GTK à consulter.                           *
 *                addr  = adresse à présenter à l'écran.                       *
 *                x     = position horizontale au sein du composant. [OUT]     *