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generic-poky/openembedded/packages/gtk+/gtk+-2.6.4-1.osso7/gtktextbuffer.c.diff

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--- gtk+-2.6.4/gtk/gtktextbuffer.c 2004-11-01 21:57:13.000000000 +0200
+++ gtk+-2.6.4/gtk/gtktextbuffer.c 2005-04-06 16:19:38.023757872 +0300
@@ -1,5 +1,6 @@
/* GTK - The GIMP Toolkit
* gtktextbuffer.c Copyright (C) 2000 Red Hat, Inc.
+ * Copyright (C) 2004 Nokia Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@@ -39,6 +40,17 @@
#include "gtktextbtree.h"
#include "gtktextiterprivate.h"
#include "gtkintl.h"
+#include "gtktextbufferserialize.h"
+
+#define GTK_TEXT_BUFFER_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_TEXT_BUFFER, GtkTextBufferPrivate))
+
+typedef struct _GtkTextBufferPrivate GtkTextBufferPrivate;
+
+struct _GtkTextBufferPrivate
+{
+ gboolean can_paste_rich_text;
+ gchar *rich_text_format;
+};
typedef struct _ClipboardRequest ClipboardRequest;
@@ -71,7 +83,10 @@
PROP_0,
/* Construct */
- PROP_TAG_TABLE
+ PROP_TAG_TABLE,
+
+ PROP_CAN_PASTE_RICH_TEXT,
+ PROP_RICH_TEXT_FORMAT
};
enum {
@@ -79,6 +94,8 @@
TARGET_TEXT,
TARGET_COMPOUND_TEXT,
TARGET_UTF8_STRING,
+ TARGET_TEXT_VIEW_MARKUP,
+ TARGET_TEXT_VIEW_RICH_TEXT_FORMAT,
TARGET_TEXT_BUFFER_CONTENTS
};
@@ -185,7 +202,20 @@
P_("Text Tag Table"),
GTK_TYPE_TEXT_TAG_TABLE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+ g_object_class_install_property (object_class,
+ PROP_CAN_PASTE_RICH_TEXT,
+ g_param_spec_boolean ("can_paste_rich_text",
+ P_("Can paste rich text"),
+ P_("Whether it should be possible to paste rich text to the buffer"),
+ FALSE, G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_RICH_TEXT_FORMAT,
+ g_param_spec_string ("rich_text_format",
+ P_("Rich Text Format"),
+ P_("Name of a collection of tags that the text view supports"),
+ NULL, G_PARAM_READWRITE));
+
signals[INSERT_TEXT] =
g_signal_new ("insert_text",
G_OBJECT_CLASS_TYPE (object_class),
@@ -335,7 +365,9 @@
NULL, NULL,
_gtk_marshal_VOID__VOID,
G_TYPE_NONE,
- 0);
+ 0);
+
+ g_type_class_add_private (object_class, sizeof (GtkTextBufferPrivate));
}
static void
@@ -385,7 +417,12 @@
case PROP_TAG_TABLE:
set_table (text_buffer, g_value_get_object (value));
break;
-
+ case PROP_CAN_PASTE_RICH_TEXT:
+ gtk_text_buffer_set_can_paste_rich_text (text_buffer, g_value_get_boolean (value));
+ break;
+ case PROP_RICH_TEXT_FORMAT:
+ gtk_text_buffer_set_rich_text_format (text_buffer, g_value_get_string (value));
+ break;
default:
break;
}
@@ -406,7 +443,14 @@
case PROP_TAG_TABLE:
g_value_set_object (value, get_table (text_buffer));
break;
-
+ case PROP_CAN_PASTE_RICH_TEXT:
+ g_value_set_boolean (value,
+ gtk_text_buffer_get_can_paste_rich_text (text_buffer));
+ break;
+ case PROP_RICH_TEXT_FORMAT:
+ g_value_set_string (value,
+ gtk_text_buffer_get_rich_text_format (text_buffer));
+ break;
default:
break;
}
@@ -434,11 +478,14 @@
gtk_text_buffer_finalize (GObject *object)
{
GtkTextBuffer *buffer;
+ GtkTextBufferPrivate *priv;
buffer = GTK_TEXT_BUFFER (object);
remove_all_selection_clipboards (buffer);
+ priv = GTK_TEXT_BUFFER_GET_PRIVATE (buffer);
+
if (buffer->tag_table)
{
_gtk_text_tag_table_remove_buffer (buffer->tag_table, buffer);
@@ -456,7 +503,9 @@
free_log_attr_cache (buffer->log_attr_cache);
buffer->log_attr_cache = NULL;
-
+
+ g_free (priv->rich_text_format);
+
G_OBJECT_CLASS (parent_class)->finalize (object);
}
@@ -2738,8 +2787,7 @@
if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
{
- if (selection_data->target ==
- gdk_atom_intern ("GTK_TEXT_BUFFER_CONTENTS", FALSE))
+ if (info == TARGET_TEXT_BUFFER_CONTENTS)
{
/* Provide the address of the buffer; this will only be
* used within-process
@@ -2750,6 +2798,32 @@
(void*)&buffer,
sizeof (buffer));
}
+ else if (info == TARGET_TEXT_VIEW_MARKUP)
+ {
+ gchar *str;
+ gint len;
+
+ str = gtk_text_buffer_serialize_rich_text (buffer, &start, &end, &len);
+
+ gtk_selection_data_set (selection_data,
+ gdk_atom_intern ("application/x-gtk-text-view-markup", FALSE),
+ 8, /* bytes */
+ str, len);
+ g_free (str);
+ }
+ else if (info == TARGET_TEXT_VIEW_RICH_TEXT_FORMAT)
+ {
+ gint len;
+ gchar *format;
+
+ format = g_object_get_data (G_OBJECT (buffer), "gtk-text-buffer-clipboard-format");
+ len = format ? strlen (format) : -1;
+
+ gtk_selection_data_set (selection_data,
+ gdk_atom_intern ("application/x-gtk-text-view-rich-text-format", FALSE),
+ 8, /* bytes */
+ format, len);
+ }
else
{
gchar *str;
@@ -2765,10 +2839,16 @@
create_clipboard_contents_buffer (GtkTextBuffer *buffer)
{
GtkTextBuffer *contents;
+ gchar *format;
contents = gtk_text_buffer_new (gtk_text_buffer_get_tag_table (buffer));
+ format = GTK_TEXT_BUFFER_GET_PRIVATE (buffer)->rich_text_format;
+
g_object_set_data (G_OBJECT (contents), "gtk-text-buffer-clipboard", GINT_TO_POINTER (1));
+
+ g_object_set_data_full (G_OBJECT (contents), "gtk-text-buffer-clipboard-format",
+ format ? g_strdup (format) : NULL, g_free);
return contents;
}
@@ -2786,8 +2866,7 @@
g_assert (contents); /* This should never be called unless we own the clipboard */
- if (selection_data->target ==
- gdk_atom_intern ("GTK_TEXT_BUFFER_CONTENTS", FALSE))
+ if (info == TARGET_TEXT_BUFFER_CONTENTS)
{
/* Provide the address of the clipboard buffer; this will only
* be used within-process. OK to supply a NULL value for contents.
@@ -2798,6 +2877,35 @@
(void*)&contents,
sizeof (contents));
}
+ else if (info == TARGET_TEXT_VIEW_MARKUP)
+ {
+ gchar *str;
+ gint *len;
+ GtkTextIter start, end;
+
+ gtk_text_buffer_get_bounds (contents, &start, &end);
+
+ str = gtk_text_buffer_serialize_rich_text (contents, &start, &end, &len);
+
+ gtk_selection_data_set (selection_data,
+ gdk_atom_intern ("application/x-gtk-text-view-markup", FALSE),
+ 8, /* bytes */
+ str, len);
+ g_free (str);
+ }
+ else if (info == TARGET_TEXT_VIEW_RICH_TEXT_FORMAT)
+ {
+ gint len;
+ gchar *format;
+
+ format = g_object_get_data (G_OBJECT (contents), "gtk-text-buffer-clipboard-format");
+ len = format ? strlen (format) : -1;
+
+ gtk_selection_data_set (selection_data,
+ gdk_atom_intern ("application/x-gtk-text-view-rich-text-format", FALSE),
+ 8, /* bytes */
+ format, len);
+ }
else
{
gchar *str;
@@ -2992,6 +3100,54 @@
#endif
static void
+clipboard_text_view_markup_received (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ gpointer data)
+{
+ ClipboardRequest *request_data = data;
+ GtkTextIter insert_point;
+ gboolean retval = TRUE;
+ GError *error = NULL;
+ GtkTextBufferPrivate *priv;
+
+ priv = GTK_TEXT_BUFFER_GET_PRIVATE (request_data->buffer);
+
+ if (selection_data->target ==
+ gdk_atom_intern ("application/x-gtk-text-view-markup", FALSE))
+ {
+ pre_paste_prep (request_data, &insert_point);
+
+ if (request_data->interactive)
+ gtk_text_buffer_begin_user_action (request_data->buffer);
+
+ if (!request_data->interactive ||
+ gtk_text_iter_can_insert (&insert_point, request_data->default_editable))
+ retval = gtk_text_buffer_deserialize_rich_text (request_data->buffer,
+ &insert_point,
+ selection_data->data, selection_data->length,
+ priv->rich_text_format == NULL, &error);
+
+ if (!retval)
+ {
+ g_warning ("error pasting: %s\n", error->message);
+ }
+
+ if (request_data->interactive)
+ gtk_text_buffer_end_user_action (request_data->buffer);
+
+ if (retval) {
+ post_paste_cleanup (request_data);
+ return;
+ }
+ }
+
+ /* Request the text selection instead */
+ gtk_clipboard_request_text (clipboard,
+ clipboard_text_received,
+ data);
+}
+
+static void
paste_from_buffer (ClipboardRequest *request_data,
GtkTextBuffer *src_buffer,
const GtkTextIter *start,
@@ -3029,6 +3185,35 @@
g_free (request_data);
}
+static gboolean
+formats_match (GtkClipboard *clipboard, const gchar *format)
+{
+ GtkSelectionData *data;
+ gchar *tmp;
+ gboolean retval;
+
+ if (!format)
+ return TRUE;
+
+ data = gtk_clipboard_wait_for_contents (clipboard,
+ gdk_atom_intern ("application/x-gtk-text-view-rich-text-format", FALSE));
+
+ if (data->length <= 0)
+ retval = FALSE;
+ else
+ {
+ tmp = g_strndup (data->data, data->length);
+
+ retval = (strcmp (tmp, format) == 0);
+
+ g_free (tmp);
+ }
+
+ gtk_selection_data_free (data);
+
+ return retval;
+}
+
static void
clipboard_clipboard_buffer_received (GtkClipboard *clipboard,
GtkSelectionData *selection_data,
@@ -3036,6 +3221,7 @@
{
ClipboardRequest *request_data = data;
GtkTextBuffer *src_buffer;
+ GtkTextBufferPrivate *priv;
src_buffer = selection_data_get_buffer (selection_data, request_data);
@@ -3059,10 +3245,19 @@
}
else
{
- /* Request the text selection instead */
- gtk_clipboard_request_text (clipboard,
- clipboard_text_received,
- data);
+ priv = GTK_TEXT_BUFFER_GET_PRIVATE (request_data->buffer);
+
+ if (priv->can_paste_rich_text &&
+ formats_match (clipboard, priv->rich_text_format))
+ /* Request markup */
+ gtk_clipboard_request_contents (clipboard,
+ gdk_atom_intern ("application/x-gtk-text-view-markup", FALSE),
+ clipboard_text_view_markup_received, data);
+ else
+ /* Request the text selection instead */
+ gtk_clipboard_request_text (clipboard,
+ clipboard_text_received,
+ data);
}
}
@@ -3071,6 +3266,8 @@
{ "TEXT", 0, TARGET_TEXT },
{ "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
{ "UTF8_STRING", 0, TARGET_UTF8_STRING },
+ { "application/x-gtk-text-view-markup", 0, TARGET_TEXT_VIEW_MARKUP },
+ { "application/x-gtk-text-view-rich-text-format", 0, TARGET_TEXT_VIEW_RICH_TEXT_FORMAT },
{ "GTK_TEXT_BUFFER_CONTENTS", 0, TARGET_TEXT_BUFFER_CONTENTS }
};
@@ -3591,6 +3788,68 @@
}
}
+void
+gtk_text_buffer_set_can_paste_rich_text (GtkTextBuffer *buffer,
+ gboolean can_paste_rich_text)
+{
+ GtkTextBufferPrivate *priv;
+
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+
+ priv = GTK_TEXT_BUFFER_GET_PRIVATE (buffer);
+
+ can_paste_rich_text = (can_paste_rich_text != FALSE);
+
+ if (priv->can_paste_rich_text != can_paste_rich_text)
+ {
+ priv->can_paste_rich_text = can_paste_rich_text;
+
+ g_object_notify (G_OBJECT (buffer), "can_paste_rich_text");
+ }
+}
+
+gboolean
+gtk_text_buffer_get_can_paste_rich_text (GtkTextBuffer *buffer)
+{
+ GtkTextBufferPrivate *priv;
+
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), FALSE);
+
+ priv = GTK_TEXT_BUFFER_GET_PRIVATE (buffer);
+
+ return priv->can_paste_rich_text;
+}
+
+void
+gtk_text_buffer_set_rich_text_format (GtkTextBuffer *buffer,
+ const gchar *format)
+{
+ gchar *new_format;
+ GtkTextBufferPrivate *priv;
+
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+
+ priv = GTK_TEXT_BUFFER_GET_PRIVATE (buffer);
+
+ new_format = g_strdup (format);
+ g_free (priv->rich_text_format);
+
+ priv->rich_text_format = new_format;
+ g_object_notify (G_OBJECT (buffer), "rich_text_format");
+}
+
+G_CONST_RETURN gchar *
+gtk_text_buffer_get_rich_text_format (GtkTextBuffer *buffer)
+{
+ GtkTextBufferPrivate *priv;
+
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), NULL);
+
+ priv = GTK_TEXT_BUFFER_GET_PRIVATE (buffer);
+
+ return priv->rich_text_format;
+}
+
/*
* Logical attribute cache
*/
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