[empathy] move size-requst handling in input-text-view

[Guillaume Desmottes <gdesmott src gnome org>]

commit 379f636d605a99f04fbd29481ff755e783f34707
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Thu Nov 11 14:41:05 2010 +0100

    move size-requst handling in input-text-view

 libempathy-gtk/empathy-chat.c            |   38 -----------------------
 libempathy-gtk/empathy-input-text-view.c |   49 +++++++++++++++++++++++++++++-
 2 files changed, 48 insertions(+), 39 deletions(-)
---
diff --git a/libempathy-gtk/empathy-chat.c b/libempathy-gtk/empathy-chat.c
index 7c238f0..04e7862 100644
--- a/libempathy-gtk/empathy-chat.c
+++ b/libempathy-gtk/empathy-chat.c
@@ -61,7 +61,6 @@
 #define CHAT_DIR_CREATE_MODE  (S_IRUSR | S_IWUSR | S_IXUSR)
 #define CHAT_FILE_CREATE_MODE (S_IRUSR | S_IWUSR)
 #define IS_ENTER(v) (v == GDK_KEY_Return || v == GDK_KEY_ISO_Enter || v == GDK_KEY_KP_Enter)
-#define MAX_INPUT_HEIGHT 150
 #define COMPOSING_STOP_TIMEOUT 5
 
 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyChat)
@@ -1610,40 +1609,6 @@ chat_text_view_focus_in_event_cb (GtkWidget  *widget,
 	return TRUE;
 }
 
-static gboolean
-chat_input_set_size_request_idle (gpointer sw)
-{
-	gtk_widget_set_size_request (sw, -1, MAX_INPUT_HEIGHT);
-
-	return FALSE;
-}
-
-static void
-chat_input_size_request_cb (GtkWidget      *widget,
-			    GtkRequisition *requisition,
-			    EmpathyChat    *chat)
-{
-	EmpathyChatPriv *priv = GET_PRIV (chat);
-	GtkWidget       *sw;
-
-	sw = gtk_widget_get_parent (widget);
-	if (requisition->height >= MAX_INPUT_HEIGHT && !priv->has_input_vscroll) {
-		g_idle_add (chat_input_set_size_request_idle, sw);
-		gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
-						GTK_POLICY_NEVER,
-						GTK_POLICY_ALWAYS);
-		priv->has_input_vscroll = TRUE;
-	}
-
-	if (requisition->height < MAX_INPUT_HEIGHT && priv->has_input_vscroll) {
-		gtk_widget_set_size_request (sw, -1, -1);
-		gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
-						GTK_POLICY_NEVER,
-						GTK_POLICY_NEVER);
-		priv->has_input_vscroll = FALSE;
-	}
-}
-
 static void
 chat_input_realize_cb (GtkWidget   *widget,
 		       EmpathyChat *chat)
@@ -2594,9 +2559,6 @@ chat_create_ui (EmpathyChat *chat)
 	g_signal_connect (chat->input_text_view, "key-press-event",
 			  G_CALLBACK (chat_input_key_press_event_cb),
 			  chat);
-	g_signal_connect (chat->input_text_view, "size-request",
-			  G_CALLBACK (chat_input_size_request_cb),
-			  chat);
 	g_signal_connect (chat->input_text_view, "realize",
 			  G_CALLBACK (chat_input_realize_cb),
 			  chat);
diff --git a/libempathy-gtk/empathy-input-text-view.c b/libempathy-gtk/empathy-input-text-view.c
index 73ef32a..4b9a611 100644
--- a/libempathy-gtk/empathy-input-text-view.c
+++ b/libempathy-gtk/empathy-input-text-view.c
@@ -30,14 +30,61 @@
 G_DEFINE_TYPE (EmpathyInputTextView, empathy_input_text_view,
     GTK_TYPE_TEXT_VIEW);
 
+#define MAX_INPUT_HEIGHT 150
+
 struct _EmpathyInputTextViewPrivate
 {
-    gpointer unused;
+  gboolean has_input_vscroll;
 };
 
+static gboolean
+chat_input_set_size_request_idle (gpointer sw)
+{
+  gtk_widget_set_size_request (sw, -1, MAX_INPUT_HEIGHT);
+
+  return FALSE;
+}
+
+static void
+empathy_input_text_view_size_request (GtkWidget *widget,
+    GtkRequisition *requisition)
+{
+  EmpathyInputTextView *self = (EmpathyInputTextView *) widget;
+  GtkWidget *sw;
+
+  sw = gtk_widget_get_parent (widget);
+  if (requisition->height >= MAX_INPUT_HEIGHT && !self->priv->has_input_vscroll)
+    {
+      /* Display scroll bar */
+      g_idle_add (chat_input_set_size_request_idle, sw);
+
+      gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
+          GTK_POLICY_NEVER,
+          GTK_POLICY_ALWAYS);
+
+      self->priv->has_input_vscroll = TRUE;
+    }
+
+  if (requisition->height < MAX_INPUT_HEIGHT && self->priv->has_input_vscroll)
+    {
+      /* Hide scroll bar */
+      gtk_widget_set_size_request (sw, -1, -1);
+
+      gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
+          GTK_POLICY_NEVER,
+          GTK_POLICY_NEVER);
+
+      self->priv->has_input_vscroll = FALSE;
+    }
+}
+
 static void
 empathy_input_text_view_class_init (EmpathyInputTextViewClass *cls)
 {
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (cls);
+
+  widget_class->size_request = empathy_input_text_view_size_request;
+
   g_type_class_add_private (cls, sizeof (EmpathyInputTextViewPrivate));
 }