1 files changed, 86 insertions, 0 deletions
diff --git a/source/blender/windowmanager/intern/wm_panel_type.c b/source/blender/windowmanager/intern/wm_panel_type.c
new file mode 100644
index 00000000000..ef1a55281c9
--- /dev/null
+++ b/source/blender/windowmanager/intern/wm_panel_type.c
@@ -0,0 +1,86 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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 2
+ * 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, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/windowmanager/intern/wm_panel_type.c
+ *  \ingroup wm
+ *
+ * Panel Registry.
+ *
+ * \note Unlike menu, and other registries, this doesn't *own* the PanelType.
+ *
+ * For popups/popovers only, regions handle panel types by including them in local lists.
+ */
+
+#include "BLI_sys_types.h"
+
+#include "DNA_windowmanager_types.h"
+
+#include "BLI_utildefines.h"
+#include "BLI_ghash.h"
+
+#include "BKE_screen.h"
+
+#include "WM_api.h"
+
+static GHash *g_paneltypes_hash = NULL;
+
+PanelType *WM_paneltype_find(const char *idname, bool quiet)
+{
+	PanelType *pt;
+
+	if (idname[0]) {
+		pt = BLI_ghash_lookup(g_paneltypes_hash, idname);
+		if (pt)
+			return pt;
+	}
+
+	if (!quiet)
+		printf("search for unknown paneltype %s\n", idname);
+
+	return NULL;
+}
+
+bool WM_paneltype_add(PanelType *pt)
+{
+	BLI_ghash_insert(g_paneltypes_hash, pt->idname, pt);
+	return true;
+}
+
+void WM_paneltype_remove(PanelType *pt)
+{
+	bool ok;
+
+	ok = BLI_ghash_remove(g_paneltypes_hash, pt->idname, NULL, NULL);
+
+	BLI_assert(ok);
+	(void)ok;
+}
+
+/* called on initialize WM_init() */
+void WM_paneltype_init(void)
+{
+	/* reserve size is set based on blender default setup */
+	g_paneltypes_hash = BLI_ghash_str_new_ex("g_paneltypes_hash gh", 512);
+}
+
+void WM_paneltype_clear(void)
+{
+	BLI_ghash_free(g_paneltypes_hash, NULL, NULL);
+}