}
+\f
+
+/* Delete the currently selected text */
+static void
+on_edit_delete (PsppireSyntaxWindow *sw)
+{
+ GtkTextIter begin, end;
+
+ if ( gtk_text_buffer_get_selection_bounds (sw->buffer, &begin, &end) )
+ gtk_text_buffer_delete (sw->buffer, &begin, &end);
+}
+
+
+
+
+/* The syntax editor's clipboard deals only with text */
+enum {
+ SELECT_FMT_NULL,
+ SELECT_FMT_TEXT,
+};
+
+
+static void
+selection_changed (PsppireSyntaxWindow *sw)
+{
+ gboolean sel = gtk_text_buffer_get_has_selection (sw->buffer);
+
+ gtk_action_set_sensitive (sw->edit_copy, sel);
+ gtk_action_set_sensitive (sw->edit_cut, sel);
+ gtk_action_set_sensitive (sw->edit_delete, sel);
+}
+
+/* The callback which runs when something request clipboard data */
+static void
+clipboard_get_cb (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ guint info,
+ gpointer data)
+{
+ PsppireSyntaxWindow *sw = data;
+ g_assert (info == SELECT_FMT_TEXT);
+
+ gtk_selection_data_set (selection_data, selection_data->target,
+ 8,
+ (const guchar *) sw->cliptext, strlen (sw->cliptext));
+
+}
+
+static void
+clipboard_clear_cb (GtkClipboard *clipboard,
+ gpointer data)
+{
+ PsppireSyntaxWindow *sw = data;
+ g_free (sw->cliptext);
+ sw->cliptext = NULL;
+}
+
+
+static const GtkTargetEntry targets[] = {
+ { "UTF8_STRING", 0, SELECT_FMT_TEXT },
+ { "STRING", 0, SELECT_FMT_TEXT },
+ { "TEXT", 0, SELECT_FMT_TEXT },
+ { "COMPOUND_TEXT", 0, SELECT_FMT_TEXT },
+ { "text/plain;charset=utf-8", 0, SELECT_FMT_TEXT },
+ { "text/plain", 0, SELECT_FMT_TEXT },
+};
+
+
+/*
+ Store a clip containing the currently selected text.
+ Returns true iff something was set.
+ As a side effect, begin and end will be set to indicate
+ the limits of the selected text.
+*/
+static gboolean
+set_clip (PsppireSyntaxWindow *sw, GtkTextIter *begin, GtkTextIter *end)
+{
+ GtkClipboard *clipboard ;
+
+ if ( ! gtk_text_buffer_get_selection_bounds (sw->buffer, begin, end) )
+ return FALSE;
+
+ g_free (sw->cliptext);
+ sw->cliptext = gtk_text_buffer_get_text (sw->buffer, begin, end, FALSE);
+
+ clipboard =
+ gtk_widget_get_clipboard (GTK_WIDGET (sw), GDK_SELECTION_CLIPBOARD);
+
+ if (!gtk_clipboard_set_with_owner (clipboard, targets,
+ G_N_ELEMENTS (targets),
+ clipboard_get_cb, clipboard_clear_cb,
+ G_OBJECT (sw)))
+ clipboard_clear_cb (clipboard, sw);
+
+ return TRUE;
+}
+
+static void
+on_edit_cut (PsppireSyntaxWindow *sw)
+{
+ GtkTextIter begin, end;
+
+ if ( set_clip (sw, &begin, &end))
+ gtk_text_buffer_delete (sw->buffer, &begin, &end);
+}
+
+static void
+on_edit_copy (PsppireSyntaxWindow *sw)
+{
+ GtkTextIter begin, end;
+
+ set_clip (sw, &begin, &end);
+}
+
+
+/* A callback for when the clipboard contents have been received */
+static void
+contents_received_callback (GtkClipboard *clipboard,
+ GtkSelectionData *sd,
+ gpointer data)
+{
+ gchar *c;
+ PsppireSyntaxWindow *syntax_window = data;
+
+ if ( sd->length < 0 )
+ return;
+
+ if ( sd->type != gdk_atom_intern ("UTF8_STRING", FALSE))
+ return;
+
+ c = (gchar *) sd->data;
+
+ gtk_text_buffer_insert_at_cursor (syntax_window->buffer,
+ (gchar *) sd->data,
+ sd->length);
+
+}
+
+static void
+on_edit_paste (PsppireSyntaxWindow *sw)
+{
+ GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (sw));
+ GtkClipboard *clipboard =
+ gtk_clipboard_get_for_display (display, GDK_SELECTION_CLIPBOARD);
+
+ gtk_clipboard_request_contents (clipboard,
+ gdk_atom_intern ("UTF8_STRING", TRUE),
+ contents_received_callback,
+ sw);
+}
+
+static void
+on_owner_change (GtkClipboard *clip, GdkEventOwnerChange *event, gpointer data)
+{
+ gint i;
+ gboolean compatible_target = FALSE;
+ PsppireSyntaxWindow *sw = PSPPIRE_SYNTAX_WINDOW (data);
+
+ for (i = 0 ; i < sizeof (targets) / sizeof (targets[0]) ; ++i)
+ {
+ GdkAtom atom = gdk_atom_intern (targets[i].target, TRUE);
+ if ( gtk_clipboard_wait_is_target_available (clip, atom))
+ {
+ compatible_target = TRUE;
+ break;
+ }
+ }
+
+ gtk_action_set_sensitive (sw->edit_paste, compatible_target);
+}
+
+
+\f
+
/* Parse and execute all the text in the buffer */
static void
on_run_all (GtkMenuItem *menuitem, gpointer user_data)
GtkWidget *text_view = get_widget_assert (xml, "syntax_text_view");
+
+ GtkClipboard *clip_selection = gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_CLIPBOARD);
+ GtkClipboard *clip_primary = gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_PRIMARY);
+
+ g_signal_connect_swapped (clip_primary, "owner-change", G_CALLBACK (selection_changed), window);
+
+ g_signal_connect (clip_selection, "owner-change", G_CALLBACK (on_owner_change), window);
+
+ window->cliptext = NULL;
+
+ window->edit_delete = get_action_assert (xml, "edit_delete");
+ window->edit_copy = get_action_assert (xml, "edit_copy");
+ window->edit_cut = get_action_assert (xml, "edit_cut");
+ window->edit_paste = get_action_assert (xml, "edit_paste");
+
window->buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
window->lexer = lex_create (the_source_stream);
G_CALLBACK (on_quit),
window);
+ g_signal_connect_swapped (window->edit_delete,
+ "activate",
+ G_CALLBACK (on_edit_delete),
+ window);
+
+ g_signal_connect_swapped (window->edit_copy,
+ "activate",
+ G_CALLBACK (on_edit_copy),
+ window);
+
+ g_signal_connect_swapped (window->edit_cut,
+ "activate",
+ G_CALLBACK (on_edit_cut),
+ window);
+
+ g_signal_connect_swapped (window->edit_paste,
+ "activate",
+ G_CALLBACK (on_edit_paste),
+ window);
+
g_signal_connect (get_action_assert (xml,"run_all"),
"activate",
G_CALLBACK (on_run_all),
window);
-
g_signal_connect (get_action_assert (xml,"run_selection"),
"activate",
G_CALLBACK (on_run_selection),
}
+
+
+
GtkWidget*
psppire_syntax_window_new (void)
{
return GTK_WIDGET (g_object_new (psppire_syntax_window_get_type (),
- "filename", "Syntax",
+ /* TRANSLATORS: This will form a filename. Please avoid whitespace. */
+ "filename", _("Syntax"),
"description", _("Syntax Editor"),
NULL));
}
iface->save = syntax_save;
iface->load = syntax_load;
}
+
+
+
projects / pspp / blobdiff