From ff74357da09d5060d61d247f75dbb01e91ca3bb9 Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Fri, 2 Mar 2018 13:53:17 +1100
Subject: Object Mode: move logic to 'object_modes.c'

Was mixed with edit-mode, centralize mode switching in a single file.

No functional changes.
---
 source/blender/editors/object/object_modes.c | 138 +++++++++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 source/blender/editors/object/object_modes.c

(limited to 'source/blender/editors/object/object_modes.c')

diff --git a/source/blender/editors/object/object_modes.c b/source/blender/editors/object/object_modes.c
new file mode 100644
index 00000000000..fda342f8a4d
--- /dev/null
+++ b/source/blender/editors/object/object_modes.c
@@ -0,0 +1,138 @@
+/*
+ * ***** 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.
+ *
+ * Contributor(s): Blender Foundation, 2002-2008 full recode
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/editors/object/object_modes.c
+ *  \ingroup edobj
+ *
+ * General utils to handle mode switching,
+ * actual mode switching logic is per-object type.
+ */
+
+#include "DNA_object_types.h"
+#include "DNA_scene_types.h"
+
+#include "BLI_utildefines.h"
+
+#include "BKE_context.h"
+#include "BKE_report.h"
+
+#include "WM_api.h"
+#include "WM_types.h"
+
+#include "ED_object.h"
+
+static const char *object_mode_op_string(eObjectMode mode)
+{
+	if (mode & OB_MODE_EDIT)
+		return "OBJECT_OT_editmode_toggle";
+	if (mode == OB_MODE_SCULPT)
+		return "SCULPT_OT_sculptmode_toggle";
+	if (mode == OB_MODE_VERTEX_PAINT)
+		return "PAINT_OT_vertex_paint_toggle";
+	if (mode == OB_MODE_WEIGHT_PAINT)
+		return "PAINT_OT_weight_paint_toggle";
+	if (mode == OB_MODE_TEXTURE_PAINT)
+		return "PAINT_OT_texture_paint_toggle";
+	if (mode == OB_MODE_PARTICLE_EDIT)
+		return "PARTICLE_OT_particle_edit_toggle";
+	if (mode == OB_MODE_POSE)
+		return "OBJECT_OT_posemode_toggle";
+	if (mode == OB_MODE_GPENCIL)
+		return "GPENCIL_OT_editmode_toggle";
+	return NULL;
+}
+
+/**
+ * Checks the mode to be set is compatible with the object
+ * should be made into a generic function
+ */
+bool ED_object_mode_compat_test(const Object *ob, eObjectMode mode)
+{
+	if (ob) {
+		if (mode == OB_MODE_OBJECT)
+			return true;
+		else if (mode == OB_MODE_GPENCIL)
+			return true; /* XXX: assume this is the case for now... */
+
+		switch (ob->type) {
+			case OB_MESH:
+				if (mode & (OB_MODE_EDIT | OB_MODE_SCULPT | OB_MODE_VERTEX_PAINT | OB_MODE_WEIGHT_PAINT |
+				            OB_MODE_TEXTURE_PAINT | OB_MODE_PARTICLE_EDIT))
+				{
+					return true;
+				}
+				break;
+			case OB_CURVE:
+			case OB_SURF:
+			case OB_FONT:
+			case OB_MBALL:
+				if (mode & (OB_MODE_EDIT))
+					return true;
+				break;
+			case OB_LATTICE:
+				if (mode & (OB_MODE_EDIT | OB_MODE_WEIGHT_PAINT))
+					return true;
+				break;
+			case OB_ARMATURE:
+				if (mode & (OB_MODE_EDIT | OB_MODE_POSE))
+					return true;
+				break;
+		}
+	}
+
+	return false;
+}
+
+
+/**
+ * Sets the mode to a compatible state (use before entering the mode).
+ *
+ * This is so each mode's exec function can call
+ */
+bool ED_object_mode_compat_set(bContext *C, Object *ob, eObjectMode mode, ReportList *reports)
+{
+	bool ok;
+	if (!ELEM(ob->mode, mode, OB_MODE_OBJECT)) {
+		const char *opstring = object_mode_op_string(ob->mode);
+		WM_operator_name_call(C, opstring, WM_OP_EXEC_REGION_WIN, NULL);
+		ok = ELEM(ob->mode, mode, OB_MODE_OBJECT);
+		if (!ok) {
+			wmOperatorType *ot = WM_operatortype_find(opstring, false);
+			BKE_reportf(reports, RPT_ERROR, "Unable to execute '%s', error changing modes", ot->name);
+		}
+	}
+	else {
+		ok = true;
+	}
+
+	return ok;
+}
+
+void ED_object_mode_toggle(bContext *C, eObjectMode mode)
+{
+	if (mode != OB_MODE_OBJECT) {
+		const char *opstring = object_mode_op_string(mode);
+		if (opstring) {
+			WM_operator_name_call(C, opstring, WM_OP_EXEC_REGION_WIN, NULL);
+		}
+	}
+}
-- 
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