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mir: paste clipboard data from content-hub
https://bugzilla.gnome.org/show_bug.cgi?id=775732
This commit is contained in:
William Hua
parent
516c0a2aab
commit
384fe52e96
@ -24,6 +24,8 @@
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#include "gdkmir.h"
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#include "gdkmir-private.h"
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#include <string.h>
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#include <com/ubuntu/content/glib/content-hub-glib.h>
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#define GDK_TYPE_DISPLAY_MIR (gdk_mir_display_get_type ())
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@ -66,6 +68,7 @@ typedef struct GdkMirDisplay
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ContentHubService *content_service;
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ContentHubHandler *content_handler;
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GVariant *paste_data;
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} GdkMirDisplay;
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typedef struct GdkMirDisplayClass
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@ -159,6 +162,13 @@ config_changed_cb (MirConnection *connection,
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}
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}
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static void
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pasteboard_changed_cb (GdkMirDisplay *display,
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gpointer user_data)
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{
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g_clear_pointer (&display->paste_data, g_variant_unref);
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}
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GdkDisplay *
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_gdk_mir_display_open (const gchar *display_name)
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{
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@ -211,6 +221,12 @@ _gdk_mir_display_open (const gchar *display_name)
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NULL,
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NULL);
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g_signal_connect_swapped (
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display->content_service,
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"pasteboard-changed",
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G_CALLBACK (pasteboard_changed_cb),
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display);
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display->content_handler = content_hub_handler_skeleton_new ();
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g_dbus_interface_skeleton_export (
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@ -269,6 +285,7 @@ gdk_mir_display_dispose (GObject *object)
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{
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GdkMirDisplay *display = GDK_MIR_DISPLAY (object);
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g_clear_pointer (&display->paste_data, g_variant_unref);
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g_dbus_interface_skeleton_unexport (G_DBUS_INTERFACE_SKELETON (display->content_handler));
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g_clear_object (&display->content_handler);
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g_clear_object (&display->content_service);
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@ -587,10 +604,255 @@ gdk_mir_display_get_selection_property (GdkDisplay *display,
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GdkAtom *ret_type,
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gint *ret_format)
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{
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//g_printerr ("gdk_mir_display_get_selection_property\n");
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gint length;
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gdk_property_get (requestor,
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gdk_atom_intern_static_string ("GDK_SELECTION"),
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GDK_NONE,
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0,
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G_MAXULONG,
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FALSE,
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ret_type,
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ret_format,
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&length,
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data);
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return length;
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}
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static gint
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get_format_score (const gchar *format,
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GdkAtom target,
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GdkAtom *out_type,
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gint *out_size)
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{
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const gchar *target_string;
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GdkAtom dummy_type;
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gint dummy_size;
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target_string = _gdk_atom_name_const (target);
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if (!out_type)
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out_type = &dummy_type;
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if (!out_size)
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out_size = &dummy_size;
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if (!g_ascii_strcasecmp (format, target_string))
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{
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*out_type = GDK_SELECTION_TYPE_STRING;
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*out_size = sizeof (guchar);
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return G_MAXINT;
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}
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if (target == gdk_atom_intern_static_string ("UTF8_STRING"))
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return get_format_score (format, gdk_atom_intern_static_string ("text/plain;charset=utf-8"), out_type, out_size);
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/* TODO: use best media type for COMPOUND_TEXT target */
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if (target == gdk_atom_intern_static_string ("COMPOUND_TEXT"))
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return get_format_score (format, gdk_atom_intern_static_string ("text/plain;charset=utf-8"), out_type, out_size);
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if (target == GDK_TARGET_STRING)
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return get_format_score (format, gdk_atom_intern_static_string ("text/plain;charset=iso-8859-1"), out_type, out_size);
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if (target == gdk_atom_intern_static_string ("GTK_TEXT_BUFFER_CONTENTS"))
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return get_format_score (format, gdk_atom_intern_static_string ("text/plain;charset=utf-8"), out_type, out_size);
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if (g_content_type_is_a (format, target_string))
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{
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*out_type = GDK_SELECTION_TYPE_STRING;
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*out_size = sizeof (guchar);
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return 2;
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}
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if (g_content_type_is_a (target_string, format))
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{
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*out_type = GDK_SELECTION_TYPE_STRING;
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*out_size = sizeof (guchar);
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return 1;
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}
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return 0;
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}
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static gint
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get_best_format_index (const gchar * const *formats,
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guint n_formats,
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GdkAtom target,
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GdkAtom *out_type,
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gint *out_size)
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{
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gint best_i = -1;
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gint best_score = 0;
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GdkAtom best_type;
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gint best_size;
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gint score;
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GdkAtom type;
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gint size;
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gint i;
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if (!out_type)
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out_type = &best_type;
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if (!out_size)
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out_size = &best_size;
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*out_type = GDK_NONE;
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*out_size = 0;
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for (i = 0; i < n_formats; i++)
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{
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score = get_format_score (formats[i], target, &type, &size);
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if (score > best_score)
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{
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best_i = i;
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best_score = score;
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*out_type = type;
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*out_size = size;
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}
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}
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return best_i;
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}
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static void
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gdk_mir_display_real_convert_selection (GdkDisplay *display,
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GdkWindow *requestor,
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GdkAtom selection,
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GdkAtom target,
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guint32 time)
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{
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GdkMirDisplay *mir_display = GDK_MIR_DISPLAY (display);
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const gchar *paste_data;
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gsize paste_size;
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const gint *paste_header;
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GPtrArray *paste_formats;
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GArray *paste_targets;
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GdkAtom paste_target;
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GdkEvent *event;
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gint best_i;
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GdkAtom best_type;
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gint best_size;
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gint i;
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g_return_if_fail (mir_display->paste_data);
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paste_data = g_variant_get_fixed_array (mir_display->paste_data, &paste_size, sizeof (guchar));
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paste_header = (const gint *) paste_data;
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paste_formats = g_ptr_array_new_full (paste_header[0], g_free);
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for (i = 0; i < paste_header[0]; i++)
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g_ptr_array_add (paste_formats, g_strndup (paste_data + paste_header[1 + 4 * i], paste_header[2 + 4 * i]));
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if (target == gdk_atom_intern_static_string ("TARGETS"))
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{
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paste_targets = g_array_sized_new (TRUE, FALSE, sizeof (GdkAtom), paste_formats->len);
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for (i = 0; i < paste_formats->len; i++)
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{
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paste_target = gdk_atom_intern (g_ptr_array_index (paste_formats, i), FALSE);
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g_array_append_val (paste_targets, paste_target);
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}
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gdk_property_change (requestor,
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gdk_atom_intern_static_string ("GDK_SELECTION"),
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GDK_SELECTION_TYPE_ATOM,
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8 * sizeof (GdkAtom),
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GDK_PROP_MODE_REPLACE,
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(const guchar *) paste_targets->data,
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paste_targets->len);
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g_array_unref (paste_targets);
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event = gdk_event_new (GDK_SELECTION_NOTIFY);
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event->selection.window = g_object_ref (requestor);
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event->selection.send_event = FALSE;
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event->selection.selection = selection;
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event->selection.target = target;
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event->selection.property = gdk_atom_intern_static_string ("GDK_SELECTION");
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event->selection.time = time;
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event->selection.requestor = g_object_ref (requestor);
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gdk_event_put (event);
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gdk_event_free (event);
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}
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else
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{
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best_i = get_best_format_index ((const gchar * const *) paste_formats->pdata,
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paste_formats->len,
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target,
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&best_type,
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&best_size);
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if (best_i >= 0)
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{
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gdk_property_change (requestor,
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gdk_atom_intern_static_string ("GDK_SELECTION"),
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best_type,
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8 * best_size,
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GDK_PROP_MODE_REPLACE,
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(const guchar *) paste_data + paste_header[3 + 4 * best_i],
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paste_header[4 + 4 * best_i] / best_size);
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event = gdk_event_new (GDK_SELECTION_NOTIFY);
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event->selection.window = g_object_ref (requestor);
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event->selection.send_event = FALSE;
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event->selection.selection = selection;
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event->selection.target = target;
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event->selection.property = gdk_atom_intern_static_string ("GDK_SELECTION");
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event->selection.time = time;
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event->selection.requestor = g_object_ref (requestor);
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gdk_event_put (event);
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gdk_event_free (event);
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}
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}
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g_ptr_array_unref (paste_formats);
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}
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typedef struct
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{
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GdkDisplay *display;
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GdkWindow *requestor;
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GdkAtom selection;
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GdkAtom target;
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guint32 time;
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} ConvertInfo;
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static void
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paste_data_ready_cb (GObject *source_object,
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GAsyncResult *res,
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gpointer user_data)
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{
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ContentHubService *content_service = CONTENT_HUB_SERVICE (source_object);
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ConvertInfo *info = user_data;
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GdkMirDisplay *mir_display = GDK_MIR_DISPLAY (info->display);
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gboolean result;
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g_clear_pointer (&mir_display->paste_data, g_variant_unref);
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result = content_hub_service_call_get_latest_paste_data_finish (content_service,
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&mir_display->paste_data,
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res,
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NULL);
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if (result)
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gdk_mir_display_real_convert_selection (info->display,
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info->requestor,
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info->selection,
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info->target,
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info->time);
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g_object_unref (info->requestor);
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g_object_unref (info->display);
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g_free (info);
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}
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static void
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gdk_mir_display_convert_selection (GdkDisplay *display,
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GdkWindow *requestor,
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@ -598,7 +860,46 @@ gdk_mir_display_convert_selection (GdkDisplay *display,
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GdkAtom target,
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guint32 time)
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{
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//g_printerr ("gdk_mir_display_convert_selection\n");
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GdkMirDisplay *mir_display = GDK_MIR_DISPLAY (display);
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MirSurface *surface;
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MirPersistentId *persistent_id;
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ConvertInfo *info;
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if (selection != GDK_SELECTION_CLIPBOARD)
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return;
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else if (mir_display->paste_data)
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gdk_mir_display_real_convert_selection (display, requestor, selection, target, time);
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else if (mir_display->focused_window)
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{
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surface = gdk_mir_window_get_mir_surface (mir_display->focused_window);
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if (!surface)
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return;
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persistent_id = mir_surface_request_persistent_id_sync (surface);
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if (!persistent_id)
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return;
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if (mir_persistent_id_is_valid (persistent_id))
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{
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info = g_new (ConvertInfo, 1);
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info->display = g_object_ref (display);
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info->requestor = g_object_ref (requestor);
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info->selection = selection;
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info->target = target;
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info->time = time;
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content_hub_service_call_get_latest_paste_data (
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mir_display->content_service,
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mir_persistent_id_as_string (persistent_id),
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NULL,
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paste_data_ready_cb,
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info);
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}
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mir_persistent_id_release (persistent_id);
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}
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}
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static gint
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@ -609,8 +910,38 @@ gdk_mir_display_text_property_to_utf8_list (GdkDisplay *display,
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gint length,
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gchar ***list)
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{
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//g_printerr ("gdk_mir_display_text_property_to_utf8_list\n");
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return 0;
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GPtrArray *array;
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const gchar *ptr;
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gsize chunk_len;
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gchar *copy;
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guint nitems;
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ptr = (const gchar *) text;
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array = g_ptr_array_new ();
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/* split text into utf-8 strings */
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while (ptr < (const gchar *) &text[length])
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{
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chunk_len = strlen (ptr);
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if (g_utf8_validate (ptr, chunk_len, NULL))
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{
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copy = g_strndup (ptr, chunk_len);
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g_ptr_array_add (array, copy);
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}
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ptr = &ptr[chunk_len + 1];
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}
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nitems = array->len;
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g_ptr_array_add (array, NULL);
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if (list)
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*list = (gchar **) g_ptr_array_free (array, FALSE);
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else
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g_ptr_array_free (array, TRUE);
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return nitems;
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}
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static gchar *
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