1 files changed, 111 insertions, 0 deletions
diff --git a/src/tool_select.c b/src/tool_select.c
new file mode 100644
index 0000000..2931372
--- /dev/null
+++ b/src/tool_select.c
@@ -0,0 +1,111 @@
+/*
+ * tool_sekect.c
+ *
+ * Colloquium - A tiny presentation program
+ *
+ * Copyright (c) 2011 Thomas White <taw@bitwiz.org.uk>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#include "presentation.h"
+#include "objects.h"
+#include "mainwindow.h"
+
+
+struct select_toolinfo
+{
+	struct toolinfo base;
+	double drag_offs_x;
+	double drag_offs_y;
+};
+
+
+static void click_create(struct presentation *p, struct toolinfo *tip,
+                         double x, double y)
+{
+	/* Do absolutely nothing */
+}
+
+
+static void create_default(struct presentation *p, struct style *sty)
+{
+	/* Do absolutely nothing */
+}
+
+
+static void click_select(struct presentation *p, struct toolinfo *tip,
+                         double x, double y)
+{
+	struct select_toolinfo *ti = (struct select_toolinfo *)tip;
+	struct object *clicked = p->editing_object;
+
+	ti->drag_offs_x = clicked->x - x;
+	ti->drag_offs_y = clicked->y - y;
+}
+
+
+static void drag_object(struct toolinfo *tip, struct presentation *p,
+                        struct object *o, double x, double y)
+{
+	struct select_toolinfo *ti = (struct select_toolinfo *)tip;
+
+	o->x = x + ti->drag_offs_x;
+	o->y = y + ti->drag_offs_y;
+
+	p->view_slide->object_seq++;
+
+	/* FIXME: Invalidate only the necessary region */
+	gdk_window_invalidate_rect(p->drawingarea->window,
+	                           NULL, FALSE);
+}
+
+
+static void select_object(struct object *o,struct toolinfo *tip)
+{
+	/* Do nothing */
+}
+
+
+static void deselect_object(struct object *o,struct toolinfo *tip)
+{
+	/* Do nothing */
+}
+
+
+struct toolinfo *initialise_select_tool()
+{
+	struct select_toolinfo *ti;
+
+	ti = malloc(sizeof(*ti));
+
+	ti->base.click_create = click_create;
+	ti->base.click_select = click_select;
+	ti->base.create_default = create_default;
+	ti->base.select = select_object;
+	ti->base.deselect = deselect_object;
+	ti->base.drag_object = drag_object;
+
+	return (struct toolinfo *)ti;
+}