[vte/vte-next: 189/223] Add dummy set_buffer

[Christian Persch <chpe src gnome org>]

commit 89834ca008cba9ffd809e61ef73ec08a1403d581
Author: Christian Persch <chpe gnome org>
Date:   Tue Jun 14 19:23:09 2011 +0200

    Add dummy set_buffer

 doc/reference/vte-sections.txt |    1 +
 src/vte.c                      |   69 +++++++++++++++++++++++++++++++++++++++-
 src/vte.h                      |    2 +
 3 files changed, 71 insertions(+), 1 deletions(-)
---
diff --git a/doc/reference/vte-sections.txt b/doc/reference/vte-sections.txt
index af20e8d..cc754ec 100644
--- a/doc/reference/vte-sections.txt
+++ b/doc/reference/vte-sections.txt
@@ -9,6 +9,7 @@ VteEraseBinding
 VteWriteFlags
 VteSelectionFunc
 vte_terminal_new
+vte_terminal_set_buffer
 vte_terminal_get_buffer
 vte_terminal_im_append_menuitems
 vte_terminal_select_all
diff --git a/src/vte.c b/src/vte.c
index b37e762..67565c6 100644
--- a/src/vte.c
+++ b/src/vte.c
@@ -132,6 +132,7 @@ enum {
         TERMINAL_PASTE_CLIPBOARD,
         TERMINAL_COPY_PRIMARY,
         TERMINAL_PASTE_PRIMARY,
+        TERMINAL_BUFFER_CHANGED,
         LAST_TERMINAL_SIGNAL
 };
 static guint signals[LAST_TERMINAL_SIGNAL];
@@ -2384,6 +2385,52 @@ vte_terminal_new(void)
 }
 
 /**
+ * vte_terminal_set_buffer:
+ * @terminal: a #VteTerminal
+ * @buffer: (allow-none): a #VteBuffer, or %NULL
+ *
+ * Sets @buffer as @terminal's buffer.
+ */
+void
+vte_terminal_set_buffer(VteTerminal *terminal,
+                        VteBuffer *buffer)
+{
+        VteTerminalRealPrivate *pvt;
+        VteBuffer *old_buffer;
+        GObject *object;
+
+        g_return_if_fail(VTE_IS_TERMINAL(terminal));
+        g_return_if_fail(buffer == NULL || VTE_IS_BUFFER(buffer));
+
+        pvt = terminal->term_pvt;
+        if (pvt->buffer == buffer)
+                return;
+
+        object = G_OBJECT(terminal);
+
+        g_object_freeze_notify(object);
+
+        old_buffer = pvt->buffer;
+        if (old_buffer) {
+                /* defer unref until after "buffer-changed" signal emission */
+        }
+
+        pvt->buffer = buffer;
+        if (buffer) {
+                g_object_ref(buffer);
+        }
+
+        g_object_notify(object, "buffer");
+
+        g_signal_emit(terminal, signals[TERMINAL_BUFFER_CHANGED], 0, old_buffer);
+        if (old_buffer) {
+              g_object_unref(old_buffer);
+        }
+
+        g_object_thaw_notify(object);
+}
+
+/**
  * vte_terminal_get_buffer:
  * @terminal: a #VteTerminal
  *
@@ -7793,7 +7840,9 @@ vte_terminal_init(VteTerminal *terminal)
 	/* Initialize private data. */
 	term_pvt = terminal->term_pvt = G_TYPE_INSTANCE_GET_PRIVATE (terminal, VTE_TYPE_TERMINAL, VteTerminalRealPrivate);
 
-        buffer = term_pvt->buffer = vte_buffer_new();
+        buffer = vte_buffer_new();
+        vte_terminal_set_buffer(terminal, buffer);
+        g_object_unref(buffer);
         term_pvt->buffer_pvt = term_pvt->buffer->pvt;
 
         pvt = terminal->pvt = term_pvt->buffer_pvt;
@@ -11041,6 +11090,24 @@ vte_terminal_class_init(VteTerminalClass *klass)
 	/* Register some signals of our own. */
 
         /**
+         * VteTerminal::buffer-changed:
+         * @terminal: the object which received the signal
+         * @previous_buffer: the previous buffer, or %NULL if there was none
+         *
+         * Emitted whenever the #VteBuffer of @terminal changes.
+         */
+        signals[TERMINAL_BUFFER_CHANGED] =
+                g_signal_new(I_("buffer-changed"),
+                             G_OBJECT_CLASS_TYPE(klass),
+                             G_SIGNAL_RUN_LAST,
+                             G_STRUCT_OFFSET(VteTerminalClass, buffer_changed),
+                             NULL,
+                             NULL,
+                             g_cclosure_marshal_VOID__OBJECT,
+                             G_TYPE_NONE,
+                             1, G_TYPE_OBJECT);
+
+        /**
          * VteTerminal::char-size-changed:
          * @vteterminal: the object which received the signal
          * @width: the new character cell width
diff --git a/src/vte.h b/src/vte.h
index 7de9b52..9d6a449 100644
--- a/src/vte.h
+++ b/src/vte.h
@@ -74,6 +74,7 @@ struct _VteTerminalClass {
 	GtkWidgetClass parent_class;
 
 	/*< protected > */
+        void (*buffer_changed)(VteTerminal *terminal, VteBuffer *previous_buffer);
 	void (*char_size_changed)(VteTerminal* terminal, guint char_width, guint char_height);
 	void (*selection_changed)(VteTerminal* terminal);
 	void (*contents_changed)(VteTerminal* terminal);
@@ -111,6 +112,7 @@ GType vte_terminal_get_type(void);
 
 GtkWidget *vte_terminal_new(void);
 
+void vte_terminal_set_buffer(VteTerminal *terminal, VteBuffer *buffer);
 VteBuffer *vte_terminal_get_buffer(VteTerminal *terminal);
 
 /* Copy currently-selected text to the clipboard, or from the clipboard to