blender-archive/source/blender/editors/interface/interface_ops.c

/*
 * 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.
 *
 * The Original Code is Copyright (C) 2009 Blender Foundation.
 * All rights reserved.
 */

/** \file
 * \ingroup edinterface
 */

#include <string.h>

#include "MEM_guardedalloc.h"

#include "DNA_armature_types.h"
#include "DNA_screen_types.h"
#include "DNA_text_types.h" /* for UI_OT_reports_to_text */
#include "DNA_object_types.h" /* for OB_DATA_SUPPORT_ID */

#include "BLI_blenlib.h"
#include "BLI_math_color.h"

#include "BLF_api.h"
#include "BLT_lang.h"

#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_idprop.h"
#include "BKE_layer.h"
#include "BKE_library.h"
#include "BKE_library_override.h"
#include "BKE_node.h"
#include "BKE_report.h"
#include "BKE_screen.h"
#include "BKE_text.h" /* for UI_OT_reports_to_text */

#include "IMB_colormanagement.h"

#include "DEG_depsgraph.h"

#include "RNA_access.h"
#include "RNA_define.h"
#include "RNA_types.h"

#include "UI_interface.h"

#include "interface_intern.h"

#include "WM_api.h"
#include "WM_types.h"

#include "ED_object.h"
#include "ED_paint.h"

/* only for UI_OT_editsource */
#include "ED_screen.h"
#include "BKE_main.h"
#include "BLI_ghash.h"

/* -------------------------------------------------------------------- */
/** \name Copy Data Path Operator
 * \{ */

static bool copy_data_path_button_poll(bContext *C)
{
	PointerRNA ptr;
	PropertyRNA *prop;
	char *path;
	int index;

	UI_context_active_but_prop_get(C, &ptr, &prop, &index);

	if (ptr.id.data && ptr.data && prop) {
		path = RNA_path_from_ID_to_property(&ptr, prop);

		if (path) {
			MEM_freeN(path);
			return 1;
		}
	}

	return 0;
}

static int copy_data_path_button_exec(bContext *C, wmOperator *op)
{
	PointerRNA ptr;
	PropertyRNA *prop;
	char *path;
	int index;

	const bool full_path = RNA_boolean_get(op->ptr, "full_path");

	/* try to create driver using property retrieved from UI */
	UI_context_active_but_prop_get(C, &ptr, &prop, &index);

	if (ptr.id.data != NULL) {

		if (full_path) {

			if (prop) {
				path = RNA_path_full_property_py_ex(&ptr, prop, index, true);
			}
			else {
				path = RNA_path_full_struct_py(&ptr);
			}
		}
		else {
			path = RNA_path_from_ID_to_property(&ptr, prop);
		}

		if (path) {
			WM_clipboard_text_set(path, false);
			MEM_freeN(path);
			return OPERATOR_FINISHED;
		}
	}

	return OPERATOR_CANCELLED;
}

static void UI_OT_copy_data_path_button(wmOperatorType *ot)
{
	PropertyRNA *prop;

	/* identifiers */
	ot->name = "Copy Data Path";
	ot->idname = "UI_OT_copy_data_path_button";
	ot->description = "Copy the RNA data path for this property to the clipboard";

	/* callbacks */
	ot->exec = copy_data_path_button_exec;
	ot->poll = copy_data_path_button_poll;

	/* flags */
	ot->flag = OPTYPE_REGISTER;

	/* properties */
	prop = RNA_def_boolean(ot->srna, "full_path", false, "full_path", "Copy full data path");
	RNA_def_property_flag(prop, PROP_SKIP_SAVE);
}

static bool copy_python_command_button_poll(bContext *C)
{
	uiBut *but = UI_context_active_but_get(C);

	if (but && (but->optype != NULL)) {
		return 1;
	}

	return 0;
}

/** \} */

/* -------------------------------------------------------------------- */
/** \name Copy Python Command Operator
 * \{ */

static int copy_python_command_button_exec(bContext *C, wmOperator *UNUSED(op))
{
	uiBut *but = UI_context_active_but_get(C);

	if (but && (but->optype != NULL)) {
		PointerRNA *opptr;
		char *str;
		opptr = UI_but_operator_ptr_get(but); /* allocated when needed, the button owns it */

		str = WM_operator_pystring_ex(C, NULL, false, true, but->optype, opptr);

		WM_clipboard_text_set(str, 0);

		MEM_freeN(str);

		return OPERATOR_FINISHED;
	}

	return OPERATOR_CANCELLED;
}

static void UI_OT_copy_python_command_button(wmOperatorType *ot)
{
	/* identifiers */
	ot->name = "Copy Python Command";
	ot->idname = "UI_OT_copy_python_command_button";
	ot->description = "Copy the Python command matching this button";

	/* callbacks */
	ot->exec = copy_python_command_button_exec;
	ot->poll = copy_python_command_button_poll;

	/* flags */
	ot->flag = OPTYPE_REGISTER;
}

/** \} */

/* -------------------------------------------------------------------- */
/** \name Reset to Default Values Button Operator
 * \{ */

static int operator_button_property_finish(bContext *C, PointerRNA *ptr, PropertyRNA *prop)
{
	ID *id = ptr->id.data;

	/* perform updates required for this property */
	RNA_property_update(C, ptr, prop);

	/* as if we pressed the button */
	UI_context_active_but_prop_handle(C);

	/* Since we don't want to undo _all_ edits to settings, eg window
	 * edits on the screen or on operator settings.
	 * it might be better to move undo's inline - campbell */
	if (id && ID_CHECK_UNDO(id)) {
		/* do nothing, go ahead with undo */
		return OPERATOR_FINISHED;
	}
	else {
		return OPERATOR_CANCELLED;
	}
}

static bool reset_default_button_poll(bContext *C)
{
	PointerRNA ptr;
	PropertyRNA *prop;
	int index;

	UI_context_active_but_prop_get(C, &ptr, &prop, &index);

	return (ptr.data && prop && RNA_property_editable(&ptr, prop));
}

static int reset_default_button_exec(bContext *C, wmOperator *op)
{
	PointerRNA ptr;
	PropertyRNA *prop;
	int index;
	const bool all = RNA_boolean_get(op->ptr, "all");

	/* try to reset the nominated setting to its default value */
	UI_context_active_but_prop_get(C, &ptr, &prop, &index);

	/* if there is a valid property that is editable... */
	if (ptr.data && prop && RNA_property_editable(&ptr, prop)) {
		if (RNA_property_reset(&ptr, prop, (all) ? -1 : index)) {
			return operator_button_property_finish(C, &ptr, prop);
		}
	}

	return OPERATOR_CANCELLED;
}

static void UI_OT_reset_default_button(wmOperatorType *ot)
{
	/* identifiers */
	ot->name = "Reset to Default Value";
	ot->idname = "UI_OT_reset_default_button";
	ot->description = "Reset this property's value to its default value";

	/* callbacks */
	ot->poll = reset_default_button_poll;
	ot->exec = reset_default_button_exec;

	/* flags */
	ot->flag = OPTYPE_UNDO;

	/* properties */
	RNA_def_boolean(ot->srna, "all", 1, "All", "Reset to default values all elements of the array");
}

/** \} */

/* -------------------------------------------------------------------- */
/** \name Assign Value as Default Button Operator
 * \{ */

static bool assign_default_button_poll(bContext *C)
{
	PointerRNA ptr;
	PropertyRNA *prop;
	int index;

	UI_context_active_but_prop_get(C, &ptr, &prop, &index);

	if (ptr.data && prop && RNA_property_editable(&ptr, prop)) {
		PropertyType type = RNA_property_type(prop);

		return RNA_property_is_idprop(prop) && !RNA_property_array_check(prop) && ELEM(type, PROP_INT, PROP_FLOAT);
	}

	return false;
}

static int assign_default_button_exec(bContext *C, wmOperator *UNUSED(op))
{
	PointerRNA ptr;
	PropertyRNA *prop;
	int index;

	/* try to reset the nominated setting to its default value */
	UI_context_active_but_prop_get(C, &ptr, &prop, &index);

	/* if there is a valid property that is editable... */
	if (ptr.data && prop && RNA_property_editable(&ptr, prop)) {
		if (RNA_property_assign_default(&ptr, prop)) {
			return operator_button_property_finish(C, &ptr, prop);
		}
	}

	return OPERATOR_CANCELLED;
}

static void UI_OT_assign_default_button(wmOperatorType *ot)
{
	/* identifiers */
	ot->name = "Assign Value as Default";
	ot->idname = "UI_OT_assign_default_button";
	ot->description = "Set this property's current value as the new default";

	/* callbacks */
	ot->poll = assign_default_button_poll;
	ot->exec = assign_default_button_exec;

	/* flags */
	ot->flag = OPTYPE_UNDO;
}

/** \} */

/* -------------------------------------------------------------------- */
/** \name Unset Property Button Operator
 * \{ */

static int unset_property_button_exec(bContext *C, wmOperator *UNUSED(op))
{
	PointerRNA ptr;
	PropertyRNA *prop;
	int index;

	/* try to unset the nominated property */
	UI_context_active_but_prop_get(C, &ptr, &prop, &index);

	/* if there is a valid property that is editable... */
	if (ptr.data && prop && RNA_property_editable(&ptr, prop) &&
	    /* RNA_property_is_idprop(prop) && */
	    RNA_property_is_set(&ptr, prop))
	{
		RNA_property_unset(&ptr, prop);
		return operator_button_property_finish(C, &ptr, prop);
	}

	return OPERATOR_CANCELLED;
}

static void UI_OT_unset_property_button(wmOperatorType *ot)
{
	/* identifiers */
	ot->name = "Unset property";
	ot->idname = "UI_OT_unset_property_button";
	ot->description = "Clear the property and use default or generated value in operators";

	/* callbacks */
	ot->poll = ED_operator_regionactive;
	ot->exec = unset_property_button_exec;

	/* flags */
	ot->flag = OPTYPE_UNDO;
}

/** \} */

/* -------------------------------------------------------------------- */
/** \name Define Override Type Operator
 * \{ */

/* Note that we use different values for UI/UX than 'real' override operations, user does not care
 * whether it's added or removed for the differential operation e.g. */
enum {
	UIOverride_Type_NOOP = 0,
	UIOverride_Type_Replace = 1,
	UIOverride_Type_Difference = 2,  /* Add/subtract */
	UIOverride_Type_Factor = 3,  /* Multiply */
	/* TODO: should/can we expose insert/remove ones for collections? Doubt it... */
};

static EnumPropertyItem override_type_items[] = {
	{UIOverride_Type_NOOP, "NOOP", 0, "NoOp",
	 "'No-Operation', place holder preventing automatic override to ever affect the property"},
	{UIOverride_Type_Replace, "REPLACE", 0, "Replace", "Completely replace value from linked data by local one"},
	{UIOverride_Type_Difference, "DIFFERENCE", 0, "Difference", "Store difference to linked data value"},
	{UIOverride_Type_Factor, "FACTOR", 0, "Factor", "Store factor to linked data value (useful e.g. for scale)"},
	{0, NULL, 0, NULL, NULL},
};


static bool override_type_set_button_poll(bContext *C)
{
	PointerRNA ptr;
	PropertyRNA *prop;
	int index;

	UI_context_active_but_prop_get(C, &ptr, &prop, &index);

	const int override_status = RNA_property_static_override_status(&ptr, prop, index);

	return (ptr.data && prop && (override_status & RNA_OVERRIDE_STATUS_OVERRIDABLE));
}

static int override_type_set_button_exec(bContext *C, wmOperator *op)
{
	PointerRNA ptr;
	PropertyRNA *prop;
	int index;
	bool created;
	const bool all = RNA_boolean_get(op->ptr, "all");
	const int op_type = RNA_enum_get(op->ptr, "type");

	short operation;

	switch (op_type) {
		case UIOverride_Type_NOOP:
			operation = IDOVERRIDESTATIC_OP_NOOP;
			break;
		case UIOverride_Type_Replace:
			operation = IDOVERRIDESTATIC_OP_REPLACE;
			break;
		case UIOverride_Type_Difference:
			/* override code will automatically switch to subtract if needed. */
			operation = IDOVERRIDESTATIC_OP_ADD;
			break;
		case UIOverride_Type_Factor:
			operation = IDOVERRIDESTATIC_OP_MULTIPLY;
			break;
		default:
			operation = IDOVERRIDESTATIC_OP_REPLACE;
			BLI_assert(0);
			break;
	}

	/* try to reset the nominated setting to its default value */
	UI_context_active_but_prop_get(C, &ptr, &prop, &index);

	BLI_assert(ptr.id.data != NULL);

	if (all) {
		index = -1;
	}

	IDOverrideStaticPropertyOperation *opop = RNA_property_override_property_operation_get(
	        &ptr, prop, operation, index, true, NULL, &created);
	if (!created) {
		opop->operation = operation;
	}

	return operator_button_property_finish(C, &ptr, prop);
}

static int override_type_set_button_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
{
#if 0  /* Disabled for now */
	return WM_menu_invoke_ex(C, op, WM_OP_INVOKE_DEFAULT);
#else
	RNA_enum_set(op->ptr, "type", IDOVERRIDESTATIC_OP_REPLACE);
	return override_type_set_button_exec(C, op);
#endif
}

static void UI_OT_override_type_set_button(wmOperatorType *ot)
{
	/* identifiers */
	ot->name = "Define Override Type";
	ot->idname = "UI_OT_override_type_set_button";
	ot->description = "Create an override operation, or set the type of an existing one";

	/* callbacks */
	ot->poll = override_type_set_button_poll;
	ot->exec = override_type_set_button_exec;
	ot->invoke = override_type_set_button_invoke;

	/* flags */
	ot->flag = OPTYPE_UNDO;

	/* properties */
	RNA_def_boolean(ot->srna, "all", 1, "All", "Reset to default values all elements of the array");
	ot->prop = RNA_def_enum(
	        ot->srna, "type", override_type_items, UIOverride_Type_Replace,
	        "Type", "Type of override operation");
	/* TODO: add itemf callback, not all options are available for all data types... */
}


static bool override_remove_button_poll(bContext *C)
{
	PointerRNA ptr;
	PropertyRNA *prop;
	int index;

	UI_context_active_but_prop_get(C, &ptr, &prop, &index);

	const int override_status = RNA_property_static_override_status(&ptr, prop, index);

	return (ptr.data && ptr.id.data && prop && (override_status & RNA_OVERRIDE_STATUS_OVERRIDDEN));
}

static int override_remove_button_exec(bContext *C, wmOperator *op)
{
	Main *bmain = CTX_data_main(C);
	PointerRNA ptr, id_refptr, src;
	PropertyRNA *prop;
	int index;
	const bool all = RNA_boolean_get(op->ptr, "all");

	/* try to reset the nominated setting to its default value */
	UI_context_active_but_prop_get(C, &ptr, &prop, &index);

	ID *id = ptr.id.data;
	IDOverrideStaticProperty *oprop = RNA_property_override_property_find(&ptr, prop);
	BLI_assert(oprop != NULL);
	BLI_assert(id != NULL && id->override_static != NULL);

	const bool is_template = (id->override_static->reference == NULL);

	/* We need source (i.e. linked data) to restore values of deleted overrides...
	 * If this is an override template, we obviously do not need to restore anything. */
	if (!is_template) {
		RNA_id_pointer_create(id->override_static->reference, &id_refptr);
		if (!RNA_path_resolve(&id_refptr, oprop->rna_path, &src, NULL)) {
			BLI_assert(0 && "Failed to create matching source (linked data) RNA pointer");
		}
	}

	if (!all && index != -1) {
		bool is_strict_find;
		/* Remove override operation for given item,
		 * add singular operations for the other items as needed. */
		IDOverrideStaticPropertyOperation *opop = BKE_override_static_property_operation_find(
		        oprop, NULL, NULL, index, index, false, &is_strict_find);
		BLI_assert(opop != NULL);
		if (!is_strict_find) {
			/* No specific override operation, we have to get generic one,
			 * and create item-specific override operations for all but given index,
			 * before removing generic one. */
			for (int idx = RNA_property_array_length(&ptr, prop); idx--; ) {
				if (idx != index) {
					BKE_override_static_property_operation_get(oprop, opop->operation, NULL, NULL, idx, idx, true, NULL, NULL);
				}
			}
		}
		BKE_override_static_property_operation_delete(oprop, opop);
		if (!is_template) {
			RNA_property_copy(bmain, &ptr, &src, prop, index);
		}
		if (BLI_listbase_is_empty(&oprop->operations)) {
			BKE_override_static_property_delete(id->override_static, oprop);
		}
	}
	else {
		/* Just remove whole generic override operation of this property. */
		BKE_override_static_property_delete(id->override_static, oprop);
		if (!is_template) {
			RNA_property_copy(bmain, &ptr, &src, prop, -1);
		}
	}

	return operator_button_property_finish(C, &ptr, prop);
}

static void UI_OT_override_remove_button(wmOperatorType *ot)
{
	/* identifiers */
	ot->name = "Remove Override";
	ot->idname = "UI_OT_override_remove_button";
	ot->description = "Remove an override operation";

	/* callbacks */
	ot->poll = override_remove_button_poll;
	ot->exec = override_remove_button_exec;

	/* flags */
	ot->flag = OPTYPE_UNDO;

	/* properties */
	RNA_def_boolean(ot->srna, "all", 1, "All", "Reset to default values all elements of the array");
}

/** \} */

/* -------------------------------------------------------------------- */
/** \name Copy To Selected Operator
 * \{ */

bool UI_context_copy_to_selected_list(
        bContext *C, PointerRNA *ptr, PropertyRNA *prop,
        ListBase *r_lb, bool *r_use_path_from_id, char **r_path)
{
	*r_use_path_from_id = false;
	*r_path = NULL;

	if (RNA_struct_is_a(ptr->type, &RNA_EditBone)) {
		*r_lb = CTX_data_collection_get(C, "selected_editable_bones");
	}
	else if (RNA_struct_is_a(ptr->type, &RNA_PoseBone)) {
		*r_lb = CTX_data_collection_get(C, "selected_pose_bones");
	}
	else if (RNA_struct_is_a(ptr->type, &RNA_Bone)) {
		ListBase lb;
		lb = CTX_data_collection_get(C, "selected_pose_bones");

		if (!BLI_listbase_is_empty(&lb)) {
			CollectionPointerLink *link;
			for (link = lb.first; link; link = link->next) {
				bPoseChannel *pchan = link->ptr.data;
				RNA_pointer_create(link->ptr.id.data, &RNA_Bone, pchan->bone, &link->ptr);
			}
		}

		*r_lb = lb;
	}
	else if (RNA_struct_is_a(ptr->type, &RNA_Sequence)) {
		*r_lb = CTX_data_collection_get(C, "selected_editable_sequences");
	}
	else if (RNA_struct_is_a(ptr->type, &RNA_FCurve)) {
		*r_lb = CTX_data_collection_get(C, "selected_editable_fcurves");
	}
	else if (RNA_struct_is_a(ptr->type, &RNA_Node) ||
	         RNA_struct_is_a(ptr->type, &RNA_NodeSocket))
	{
		ListBase lb = {NULL, NULL};
		char *path = NULL;
		bNode *node = NULL;

		/* Get the node we're editing */
		if (RNA_struct_is_a(ptr->type, &RNA_NodeSocket)) {
			bNodeTree *ntree = ptr->id.data;
			bNodeSocket *sock = ptr->data;
			if (nodeFindNode(ntree, sock, &node, NULL)) {
				if ((path = RNA_path_resolve_from_type_to_property(ptr, prop, &RNA_Node)) != NULL) {
					/* we're good! */
				}
				else {
					node = NULL;
				}
			}
		}
		else {
			node = ptr->data;
		}

		/* Now filter by type */
		if (node) {
			CollectionPointerLink *link, *link_next;
			lb = CTX_data_collection_get(C, "selected_nodes");

			for (link = lb.first; link; link = link_next) {
				bNode *node_data = link->ptr.data;
				link_next = link->next;

				if (node_data->type != node->type) {
					BLI_remlink(&lb, link);
					MEM_freeN(link);
				}
			}
		}

		*r_lb = lb;
		*r_path = path;
	}
	else if (ptr->id.data) {
		ID *id = ptr->id.data;

		if (GS(id->name) == ID_OB) {
			*r_lb = CTX_data_collection_get(C, "selected_editable_objects");
			*r_use_path_from_id = true;
			*r_path = RNA_path_from_ID_to_property(ptr, prop);
		}
		else if (OB_DATA_SUPPORT_ID(GS(id->name))) {
			/* check we're using the active object */
			const short id_code = GS(id->name);
			ListBase lb = CTX_data_collection_get(C, "selected_editable_objects");
			char *path = RNA_path_from_ID_to_property(ptr, prop);

			/* de-duplicate obdata */
			if (!BLI_listbase_is_empty(&lb)) {
				CollectionPointerLink *link, *link_next;

				for (link = lb.first; link; link = link->next) {
					Object *ob = link->ptr.id.data;
					if (ob->data) {
						ID *id_data = ob->data;
						id_data->tag |= LIB_TAG_DOIT;
					}
				}

				for (link = lb.first; link; link = link_next) {
					Object *ob = link->ptr.id.data;
					ID *id_data = ob->data;
					link_next = link->next;

					if ((id_data == NULL) ||
					    (id_data->tag & LIB_TAG_DOIT) == 0 ||
					    ID_IS_LINKED(id_data) ||
					    (GS(id_data->name) != id_code))
					{
						BLI_remlink(&lb, link);
						MEM_freeN(link);
					}
					else {
						/* avoid prepending 'data' to the path */
						RNA_id_pointer_create(id_data, &link->ptr);
					}

					if (id_data) {
						id_data->tag &= ~LIB_TAG_DOIT;
					}
				}
			}

			*r_lb = lb;
			*r_path = path;
		}
		else if (GS(id->name) == ID_SCE) {
			/* Sequencer's ID is scene :/ */
			/* Try to recursively find an RNA_Sequence ancestor,
			 * to handle situations like T41062... */
			if ((*r_path = RNA_path_resolve_from_type_to_property(ptr, prop, &RNA_Sequence)) != NULL) {
				*r_lb = CTX_data_collection_get(C, "selected_editable_sequences");
			}
		}
		return (*r_path != NULL);
	}
	else {
		return false;
	}

	return true;
}

/**
 * called from both exec & poll
 *
 * \note: normally we wouldn't call a loop from within a poll function,
 * However this is a special case, and for regular poll calls, getting
 * the context from the button will fail early.
 */
static bool copy_to_selected_button(bContext *C, bool all, bool poll)
{
	Main *bmain = CTX_data_main(C);
	PointerRNA ptr, lptr, idptr;
	PropertyRNA *prop, *lprop;
	bool success = false;
	int index;

	/* try to reset the nominated setting to its default value */
	UI_context_active_but_prop_get(C, &ptr, &prop, &index);

	/* if there is a valid property that is editable... */
	if (ptr.data && prop) {
		char *path = NULL;
		bool use_path_from_id;
		CollectionPointerLink *link;
		ListBase lb = {NULL};

		if (UI_context_copy_to_selected_list(C, &ptr, prop, &lb, &use_path_from_id, &path) &&
		    !BLI_listbase_is_empty(&lb))
		{
			for (link = lb.first; link; link = link->next) {
				if (link->ptr.data != ptr.data) {
					if (use_path_from_id) {
						/* Path relative to ID. */
						lprop = NULL;
						RNA_id_pointer_create(link->ptr.id.data, &idptr);
						RNA_path_resolve_property(&idptr, path, &lptr, &lprop);
					}
					else if (path) {
						/* Path relative to elements from list. */
						lprop = NULL;
						RNA_path_resolve_property(&link->ptr, path, &lptr, &lprop);
					}
					else {
						lptr = link->ptr;
						lprop = prop;
					}

					if (lptr.data == ptr.data) {
						/* lptr might not be the same as link->ptr! */
						continue;
					}

					if (lprop == prop) {
						if (RNA_property_editable(&lptr, lprop)) {
							if (poll) {
								success = true;
								break;
							}
							else {
								if (RNA_property_copy(bmain, &lptr, &ptr, prop, (all) ? -1 : index)) {
									RNA_property_update(C, &lptr, prop);
									success = true;
								}
							}
						}
					}
				}
			}
		}
		MEM_SAFE_FREE(path);
		BLI_freelistN(&lb);
	}

	return success;
}

static bool copy_to_selected_button_poll(bContext *C)
{
	return copy_to_selected_button(C, false, true);
}

static int copy_to_selected_button_exec(bContext *C, wmOperator *op)
{
	bool success;

	const bool all = RNA_boolean_get(op->ptr, "all");

	success = copy_to_selected_button(C, all, false);

	return (success) ? OPERATOR_FINISHED : OPERATOR_CANCELLED;
}

static void UI_OT_copy_to_selected_button(wmOperatorType *ot)
{
	/* identifiers */
	ot->name = "Copy To Selected";
	ot->idname = "UI_OT_copy_to_selected_button";
	ot->description = "Copy property from this object to selected objects or bones";

	/* callbacks */
	ot->poll = copy_to_selected_button_poll;
	ot->exec = copy_to_selected_button_exec;

	/* flags */
	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;

	/* properties */
	RNA_def_boolean(ot->srna, "all", true, "All", "Copy to selected all elements of the array");
}

/** \} */

/* -------------------------------------------------------------------- */
/** \name Jump to Target Operator
 * \{ */

/** Jump to the object or bone referenced by the pointer, or check if it is possible. */
static bool jump_to_target_ptr(bContext *C, PointerRNA ptr, const bool poll)
{
	if (RNA_pointer_is_null(&ptr)) {
		return false;
	}

	/* Verify pointer type. */
	char bone_name[MAXBONENAME];
	const StructRNA *target_type = NULL;

	if (ELEM(ptr.type, &RNA_EditBone, &RNA_PoseBone, &RNA_Bone)) {
		RNA_string_get(&ptr, "name", bone_name);
		if (bone_name[0] != '\0') {
			target_type = &RNA_Bone;
		}
	}
	else if (RNA_struct_is_a(ptr.type, &RNA_Object)) {
		target_type = &RNA_Object;
	}

	if (target_type == NULL) {
		return false;
	}

	/* Find the containing Object. */
	ViewLayer *view_layer = CTX_data_view_layer(C);
	Base *base = NULL;
	const short id_type = GS(((ID *)ptr.id.data)->name);
	if (id_type == ID_OB) {
		base = BKE_view_layer_base_find(view_layer, ptr.id.data);
	}
	else if (OB_DATA_SUPPORT_ID(id_type)) {
		base = ED_object_find_first_by_data_id(view_layer, ptr.id.data);
	}

	bool ok = false;
	if ((base == NULL) ||
	    ((target_type == &RNA_Bone) && (base->object->type != OB_ARMATURE)))
	{
		/* pass */
	}
	else if (poll) {
		ok = true;
	}
	else {
		/* Make optional. */
		const bool reveal_hidden = true;
		/* Select and activate the target. */
		if (target_type == &RNA_Bone) {
			ok = ED_object_jump_to_bone(C, base->object, bone_name, reveal_hidden);
		}
		else if (target_type == &RNA_Object) {
			ok = ED_object_jump_to_object(C, base->object, reveal_hidden);
		}
		else {
			BLI_assert(0);
		}
	}
	return ok;
}

/**
 * Jump to the object or bone referred to by the current UI field value.
 *
 * \note quite heavy for a poll callback, but the operator is only
 * used as a right click menu item for certain UI field types, and
 * this will fail quickly if the context is completely unsuitable.
 */
static bool jump_to_target_button(bContext *C, bool poll)
{
	PointerRNA ptr, target_ptr;
	PropertyRNA *prop;
	int index;

	UI_context_active_but_prop_get(C, &ptr, &prop, &index);

	/* If there is a valid property... */
	if (ptr.data && prop) {
		const PropertyType type = RNA_property_type(prop);

		/* For pointer properties, use their value directly. */
		if (type == PROP_POINTER) {
			target_ptr = RNA_property_pointer_get(&ptr, prop);

			return jump_to_target_ptr(C, target_ptr, poll);
		}
		/* For string properties with prop_search, look up the search collection item. */
		else if (type == PROP_STRING) {
			const uiBut *but = UI_context_active_but_get(C);

			if (but->type == UI_BTYPE_SEARCH_MENU && but->search_func == ui_rna_collection_search_cb) {
				uiRNACollectionSearch *coll_search = but->search_arg;

				char str_buf[MAXBONENAME];
				char *str_ptr = RNA_property_string_get_alloc(&ptr, prop, str_buf, sizeof(str_buf), NULL);

				int found = RNA_property_collection_lookup_string(&coll_search->search_ptr, coll_search->search_prop, str_ptr, &target_ptr);

				if (str_ptr != str_buf) {
					MEM_freeN(str_ptr);
				}

				if (found) {
					return jump_to_target_ptr(C, target_ptr, poll);
				}
			}
		}
	}

	return false;
}

bool ui_jump_to_target_button_poll(bContext *C)
{
	return jump_to_target_button(C, true);
}

static int jump_to_target_button_exec(bContext *C, wmOperator *UNUSED(op))
{
	bool success = jump_to_target_button(C, false);

	return (success) ? OPERATOR_FINISHED : OPERATOR_CANCELLED;
}

static void UI_OT_jump_to_target_button(wmOperatorType *ot)
{
	/* identifiers */
	ot->name = "Jump To Target";
	ot->idname = "UI_OT_jump_to_target_button";
	ot->description = "Switch to the target object or bone";

	/* callbacks */
	ot->poll = ui_jump_to_target_button_poll;
	ot->exec = jump_to_target_button_exec;

	/* flags */
	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}

/** \} */

/* -------------------------------------------------------------------- */
/** \name Reports to Textblock Operator
 * \{ */

/* FIXME: this is just a temporary operator so that we can see all the reports somewhere
 * when there are too many to display...
 */

static bool reports_to_text_poll(bContext *C)
{
	return CTX_wm_reports(C) != NULL;
}

static int reports_to_text_exec(bContext *C, wmOperator *UNUSED(op))
{
	ReportList *reports = CTX_wm_reports(C);
	Main *bmain = CTX_data_main(C);
	Text *txt;
	char *str;

	/* create new text-block to write to */
	txt = BKE_text_add(bmain, "Recent Reports");

	/* convert entire list to a display string, and add this to the text-block
	 * - if commandline debug option enabled, show debug reports too
	 * - otherwise, up to info (which is what users normally see)
	 */
	str = BKE_reports_string(reports, (G.debug & G_DEBUG) ? RPT_DEBUG : RPT_INFO);

	if (str) {
		TextUndoBuf *utxt = NULL; // FIXME
		BKE_text_write(txt, utxt, str);
		MEM_freeN(str);

		return OPERATOR_FINISHED;
	}
	else {
		return OPERATOR_CANCELLED;
	}
}

static void UI_OT_reports_to_textblock(wmOperatorType *ot)
{
	/* identifiers */
	ot->name = "Reports to Text Block";
	ot->idname = "UI_OT_reports_to_textblock";
	ot->description = "Write the reports ";

	/* callbacks */
	ot->poll = reports_to_text_poll;
	ot->exec = reports_to_text_exec;
}

/** \} */

/* -------------------------------------------------------------------- */
/** \name Edit Python Source Operator
 * \{ */

#ifdef WITH_PYTHON

/* ------------------------------------------------------------------------- */
/* EditSource Utility funcs and operator,
 * note, this includes utility functions and button matching checks */

typedef struct uiEditSourceStore {
	uiBut but_orig;
	GHash *hash;
} uiEditSourceStore;

typedef struct uiEditSourceButStore {
	char py_dbg_fn[FILE_MAX];
	int py_dbg_ln;
} uiEditSourceButStore;

/* should only ever be set while the edit source operator is running */
static struct uiEditSourceStore *ui_editsource_info = NULL;

bool UI_editsource_enable_check(void)
{
	return (ui_editsource_info != NULL);
}

static void ui_editsource_active_but_set(uiBut *but)
{
	BLI_assert(ui_editsource_info == NULL);

	ui_editsource_info = MEM_callocN(sizeof(uiEditSourceStore), __func__);
	memcpy(&ui_editsource_info->but_orig, but, sizeof(uiBut));

	ui_editsource_info->hash = BLI_ghash_ptr_new(__func__);
}

static void ui_editsource_active_but_clear(void)
{
	BLI_ghash_free(ui_editsource_info->hash, NULL, MEM_freeN);
	MEM_freeN(ui_editsource_info);
	ui_editsource_info = NULL;
}

static bool ui_editsource_uibut_match(uiBut *but_a, uiBut *but_b)
{
#if 0
	printf("matching buttons: '%s' == '%s'\n",
	       but_a->drawstr, but_b->drawstr);
#endif

	/* this just needs to be a 'good-enough' comparison so we can know beyond
	 * reasonable doubt that these buttons are the same between redraws.
	 * if this fails it only means edit-source fails - campbell */
	if (BLI_rctf_compare(&but_a->rect, &but_b->rect, FLT_EPSILON) &&
	    (but_a->type == but_b->type) &&
	    (but_a->rnaprop == but_b->rnaprop) &&
	    (but_a->optype == but_b->optype) &&
	    (but_a->unit_type == but_b->unit_type) &&
	    STREQLEN(but_a->drawstr, but_b->drawstr, UI_MAX_DRAW_STR))
	{
		return true;
	}
	else {
		return false;
	}
}

void UI_editsource_active_but_test(uiBut *but)
{
	extern void PyC_FileAndNum_Safe(const char **filename, int *lineno);

	struct uiEditSourceButStore *but_store = MEM_callocN(sizeof(uiEditSourceButStore), __func__);

	const char *fn;
	int lineno = -1;

#if 0
	printf("comparing buttons: '%s' == '%s'\n",
	       but->drawstr, ui_editsource_info->but_orig.drawstr);
#endif

	PyC_FileAndNum_Safe(&fn, &lineno);

	if (lineno != -1) {
		BLI_strncpy(but_store->py_dbg_fn, fn,
		            sizeof(but_store->py_dbg_fn));
		but_store->py_dbg_ln = lineno;
	}
	else {
		but_store->py_dbg_fn[0] = '\0';
		but_store->py_dbg_ln = -1;
	}

	BLI_ghash_insert(ui_editsource_info->hash, but, but_store);
}

static int editsource_text_edit(
        bContext *C, wmOperator *op,
        const char filepath[FILE_MAX], const int line)
{
	struct Main *bmain = CTX_data_main(C);
	Text *text;

	/* Developers may wish to copy-paste to an external editor. */
	printf("%s:%d\n", filepath, line);

	for (text = bmain->texts.first; text; text = text->id.next) {
		if (text->name && BLI_path_cmp(text->name, filepath) == 0) {
			break;
		}
	}

	if (text == NULL) {
		text = BKE_text_load(bmain, filepath, BKE_main_blendfile_path(bmain));
		id_us_ensure_real(&text->id);
	}

	if (text == NULL) {
		BKE_reportf(op->reports, RPT_WARNING, "File '%s' cannot be opened", filepath);
		return OPERATOR_CANCELLED;
	}
	else {
		/* naughty!, find text area to set, not good behavior
		 * but since this is a dev tool lets allow it - campbell */
		ScrArea *sa = BKE_screen_find_big_area(CTX_wm_screen(C), SPACE_TEXT, 0);
		if (sa) {
			SpaceText *st = sa->spacedata.first;
			st->text = text;
		}
		else {
			BKE_reportf(op->reports, RPT_INFO, "See '%s' in the text editor", text->id.name + 2);
		}

		txt_move_toline(text, line - 1, false);
		WM_event_add_notifier(C, NC_TEXT | ND_CURSOR, text);
	}

	return OPERATOR_FINISHED;
}

static int editsource_exec(bContext *C, wmOperator *op)
{
	uiBut *but = UI_context_active_but_get(C);

	if (but) {
		GHashIterator ghi;
		struct uiEditSourceButStore *but_store = NULL;

		ARegion *ar = CTX_wm_region(C);
		int ret;

		/* needed else the active button does not get tested */
		UI_screen_free_active_but(C, CTX_wm_screen(C));

		// printf("%s: begin\n", __func__);

		/* take care not to return before calling ui_editsource_active_but_clear */
		ui_editsource_active_but_set(but);

		/* redraw and get active button python info */
		ED_region_do_layout(C, ar);
		ED_region_do_draw(C, ar);
		ar->do_draw = false;

		for (BLI_ghashIterator_init(&ghi, ui_editsource_info->hash);
		     BLI_ghashIterator_done(&ghi) == false;
		     BLI_ghashIterator_step(&ghi))
		{
			uiBut *but_key = BLI_ghashIterator_getKey(&ghi);
			if (but_key && ui_editsource_uibut_match(&ui_editsource_info->but_orig, but_key)) {
				but_store = BLI_ghashIterator_getValue(&ghi);
				break;
			}

		}

		if (but_store) {
			if (but_store->py_dbg_ln != -1) {
				ret = editsource_text_edit(
				        C, op,
				        but_store->py_dbg_fn,
				        but_store->py_dbg_ln);
			}
			else {
				BKE_report(op->reports, RPT_ERROR, "Active button is not from a script, cannot edit source");
				ret = OPERATOR_CANCELLED;
			}
		}
		else {
			BKE_report(op->reports, RPT_ERROR, "Active button match cannot be found");
			ret = OPERATOR_CANCELLED;
		}


		ui_editsource_active_but_clear();

		// printf("%s: end\n", __func__);

		return ret;
	}
	else {
		BKE_report(op->reports, RPT_ERROR, "Active button not found");
		return OPERATOR_CANCELLED;
	}
}

static void UI_OT_editsource(wmOperatorType *ot)
{
	/* identifiers */
	ot->name = "Edit Source";
	ot->idname = "UI_OT_editsource";
	ot->description = "Edit UI source code of the active button";

	/* callbacks */
	ot->exec = editsource_exec;
}

/** \} */

/* -------------------------------------------------------------------- */
/** \name Edit Translation Operator
 * \{ */

/**
 * EditTranslation utility funcs and operator,
 * \note: this includes utility functions and button matching checks.
 * this only works in conjunction with a py operator!
 */
static void edittranslation_find_po_file(const char *root, const char *uilng, char *path, const size_t maxlen)
{
	char tstr[32]; /* Should be more than enough! */

	/* First, full lang code. */
	BLI_snprintf(tstr, sizeof(tstr), "%s.po", uilng);
	BLI_join_dirfile(path, maxlen, root, uilng);
	BLI_path_append(path, maxlen, tstr);
	if (BLI_is_file(path)) {
		return;
	}

	/* Now try without the second iso code part (_ES in es_ES). */
	{
		const char *tc = NULL;
		size_t szt = 0;
		tstr[0] = '\0';

		tc = strchr(uilng, '_');
		if (tc) {
			szt = tc - uilng;
			if (szt < sizeof(tstr)) /* Paranoid, should always be true! */
				BLI_strncpy(tstr, uilng, szt + 1); /* +1 for '\0' char! */
		}
		if (tstr[0]) {
			/* Because of some codes like sr_SR@latin... */
			tc = strchr(uilng, '@');
			if (tc) {
				BLI_strncpy(tstr + szt, tc, sizeof(tstr) - szt);
			}

			BLI_join_dirfile(path, maxlen, root, tstr);
			strcat(tstr, ".po");
			BLI_path_append(path, maxlen, tstr);
			if (BLI_is_file(path)) {
				return;
			}
		}
	}

	/* Else no po file! */
	path[0] = '\0';
}

static int edittranslation_exec(bContext *C, wmOperator *op)
{
	uiBut *but = UI_context_active_but_get(C);
	int ret = OPERATOR_CANCELLED;

	if (but) {
		wmOperatorType *ot;
		PointerRNA ptr;
		char popath[FILE_MAX];
		const char *root = U.i18ndir;
		const char *uilng = BLT_lang_get();

		uiStringInfo but_label = {BUT_GET_LABEL, NULL};
		uiStringInfo rna_label = {BUT_GET_RNA_LABEL, NULL};
		uiStringInfo enum_label = {BUT_GET_RNAENUM_LABEL, NULL};
		uiStringInfo but_tip = {BUT_GET_TIP, NULL};
		uiStringInfo rna_tip = {BUT_GET_RNA_TIP, NULL};
		uiStringInfo enum_tip = {BUT_GET_RNAENUM_TIP, NULL};
		uiStringInfo rna_struct = {BUT_GET_RNASTRUCT_IDENTIFIER, NULL};
		uiStringInfo rna_prop = {BUT_GET_RNAPROP_IDENTIFIER, NULL};
		uiStringInfo rna_enum = {BUT_GET_RNAENUM_IDENTIFIER, NULL};
		uiStringInfo rna_ctxt = {BUT_GET_RNA_LABEL_CONTEXT, NULL};

		if (!BLI_is_dir(root)) {
			BKE_report(
			        op->reports, RPT_ERROR,
			        "Please set your Preferences' 'Translation Branches "
			        "Directory' path to a valid directory");
			return OPERATOR_CANCELLED;
		}
		ot = WM_operatortype_find(EDTSRC_I18N_OP_NAME, 0);
		if (ot == NULL) {
			BKE_reportf(
			        op->reports, RPT_ERROR,
			        "Could not find operator '%s'! Please enable ui_translate add-on "
			        "in the User Preferences", EDTSRC_I18N_OP_NAME);
			return OPERATOR_CANCELLED;
		}
		/* Try to find a valid po file for current language... */
		edittranslation_find_po_file(root, uilng, popath, FILE_MAX);
		/* printf("po path: %s\n", popath); */
		if (popath[0] == '\0') {
			BKE_reportf(op->reports, RPT_ERROR, "No valid po found for language '%s' under %s", uilng, root);
			return OPERATOR_CANCELLED;
		}

		UI_but_string_info_get(
		        C, but, &but_label, &rna_label, &enum_label, &but_tip, &rna_tip, &enum_tip,
		        &rna_struct, &rna_prop, &rna_enum, &rna_ctxt, NULL);

		WM_operator_properties_create_ptr(&ptr, ot);
		RNA_string_set(&ptr, "lang", uilng);
		RNA_string_set(&ptr, "po_file", popath);
		RNA_string_set(&ptr, "but_label", but_label.strinfo);
		RNA_string_set(&ptr, "rna_label", rna_label.strinfo);
		RNA_string_set(&ptr, "enum_label", enum_label.strinfo);
		RNA_string_set(&ptr, "but_tip", but_tip.strinfo);
		RNA_string_set(&ptr, "rna_tip", rna_tip.strinfo);
		RNA_string_set(&ptr, "enum_tip", enum_tip.strinfo);
		RNA_string_set(&ptr, "rna_struct", rna_struct.strinfo);
		RNA_string_set(&ptr, "rna_prop", rna_prop.strinfo);
		RNA_string_set(&ptr, "rna_enum", rna_enum.strinfo);
		RNA_string_set(&ptr, "rna_ctxt", rna_ctxt.strinfo);
		ret = WM_operator_name_call_ptr(C, ot, WM_OP_INVOKE_DEFAULT, &ptr);

		/* Clean up */
		if (but_label.strinfo) {
			MEM_freeN(but_label.strinfo);
		}
		if (rna_label.strinfo) {
			MEM_freeN(rna_label.strinfo);
		}
		if (enum_label.strinfo) {
			MEM_freeN(enum_label.strinfo);
		}
		if (but_tip.strinfo) {
			MEM_freeN(but_tip.strinfo);
		}
		if (rna_tip.strinfo) {
			MEM_freeN(rna_tip.strinfo);
		}
		if (enum_tip.strinfo) {
			MEM_freeN(enum_tip.strinfo);
		}
		if (rna_struct.strinfo) {
			MEM_freeN(rna_struct.strinfo);
		}
		if (rna_prop.strinfo) {
			MEM_freeN(rna_prop.strinfo);
		}
		if (rna_enum.strinfo) {
			MEM_freeN(rna_enum.strinfo);
		}
		if (rna_ctxt.strinfo) {
			MEM_freeN(rna_ctxt.strinfo);
		}

		return ret;
	}
	else {
		BKE_report(op->reports, RPT_ERROR, "Active button not found");
		return OPERATOR_CANCELLED;
	}
}

static void UI_OT_edittranslation_init(wmOperatorType *ot)
{
	/* identifiers */
	ot->name = "Edit Translation";
	ot->idname = "UI_OT_edittranslation_init";
	ot->description = "Edit i18n in current language for the active button";

	/* callbacks */
	ot->exec = edittranslation_exec;
}

#endif /* WITH_PYTHON */

/** \} */

/* -------------------------------------------------------------------- */
/** \name Reload Translation Operator
 * \{ */

static int reloadtranslation_exec(bContext *UNUSED(C), wmOperator *UNUSED(op))
{
	BLT_lang_init();
	BLF_cache_clear();
	BLT_lang_set(NULL);
	UI_reinit_font();
	return OPERATOR_FINISHED;
}

static void UI_OT_reloadtranslation(wmOperatorType *ot)
{
	/* identifiers */
	ot->name = "Reload Translation";
	ot->idname = "UI_OT_reloadtranslation";
	ot->description = "Force a full reload of UI translation";

	/* callbacks */
	ot->exec = reloadtranslation_exec;
}

/** \} */

/* -------------------------------------------------------------------- */
/** \name Prese Button Operator
 * \{ */

static ARegion *region_event_inside_for_screen(bContext *C, const int xy[2])
{
	bScreen *sc = CTX_wm_screen(C);
	if (sc) {
		for (ARegion *ar = sc->regionbase.first; ar; ar = ar->next) {
			if (BLI_rcti_isect_pt_v(&ar->winrct, xy)) {
				return ar;
			}
		}
	}
	return NULL;
}

static int ui_button_press_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
	const bool skip_depressed = RNA_boolean_get(op->ptr, "skip_depressed");
	ARegion *ar_prev = CTX_wm_region(C);
	ARegion *ar = region_event_inside_for_screen(C, &event->x);

	if (ar == NULL) {
		ar = ar_prev;
	}

	CTX_wm_region_set(C, ar);
	uiBut *but = UI_context_active_but_get(C);
	CTX_wm_region_set(C, ar_prev);

	if (but == NULL) {
		return OPERATOR_PASS_THROUGH;
	}
	if (skip_depressed && (but->flag & (UI_SELECT | UI_SELECT_DRAW))) {
		return OPERATOR_PASS_THROUGH;
	}

	/* Weak, this is a workaround for 'UI_but_is_tool', which checks the operator type,
	 * having this avoids a minor drawing glitch. */
	void *but_optype = but->optype;

	UI_but_execute(C, but);

	but->optype = but_optype;

	WM_event_add_mousemove(C);

	return OPERATOR_FINISHED;
}

static void UI_OT_button_execute(wmOperatorType *ot)
{
	ot->name = "Press Button";
	ot->idname = "UI_OT_button_execute";
	ot->description = "Presses active button";

	ot->invoke = ui_button_press_invoke;
	ot->flag = OPTYPE_INTERNAL;

	RNA_def_boolean(ot->srna, "skip_depressed", 0, "Skip Depressed", "");
}

/** \} */

/* -------------------------------------------------------------------- */
/** \name Drop Color Operator
 * \{ */

bool UI_drop_color_poll(struct bContext *C, wmDrag *drag, const wmEvent *UNUSED(event), const char **UNUSED(tooltip))
{
	/* should only return true for regions that include buttons, for now
	 * return true always */
	if (drag->type == WM_DRAG_COLOR) {
		SpaceImage *sima = CTX_wm_space_image(C);
		ARegion *ar = CTX_wm_region(C);

		if (UI_but_active_drop_color(C)) {
			return 1;
		}

		if (sima && (sima->mode == SI_MODE_PAINT) &&
		    sima->image && (ar && ar->regiontype == RGN_TYPE_WINDOW))
		{
			return 1;
		}
	}

	return 0;
}

void UI_drop_color_copy(wmDrag *drag, wmDropBox *drop)
{
	uiDragColorHandle *drag_info = drag->poin;

	RNA_float_set_array(drop->ptr, "color", drag_info->color);
	RNA_boolean_set(drop->ptr, "gamma", drag_info->gamma_corrected);
}

static int drop_color_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
{
	ARegion *ar = CTX_wm_region(C);
	uiBut *but = NULL;
	float color[4];
	bool gamma;

	RNA_float_get_array(op->ptr, "color", color);
	gamma = RNA_boolean_get(op->ptr, "gamma");

	/* find button under mouse, check if it has RNA color property and
	 * if it does copy the data */
	but = ui_region_find_active_but(ar);

	if (but && but->type == UI_BTYPE_COLOR && but->rnaprop) {
		const int color_len = RNA_property_array_length(&but->rnapoin, but->rnaprop);
		BLI_assert(color_len <= 4);

		/* keep alpha channel as-is */
		if (color_len == 4) {
			color[3] = RNA_property_float_get_index(&but->rnapoin, but->rnaprop, 3);
		}

		if (RNA_property_subtype(but->rnaprop) == PROP_COLOR_GAMMA) {
			if (!gamma) {
				IMB_colormanagement_scene_linear_to_srgb_v3(color);
			}
			RNA_property_float_set_array(&but->rnapoin, but->rnaprop, color);
			RNA_property_update(C, &but->rnapoin, but->rnaprop);
		}
		else if (RNA_property_subtype(but->rnaprop) == PROP_COLOR) {
			if (gamma) {
				IMB_colormanagement_srgb_to_scene_linear_v3(color);
			}
			RNA_property_float_set_array(&but->rnapoin, but->rnaprop, color);
			RNA_property_update(C, &but->rnapoin, but->rnaprop);
		}
	}
	else {
		if (gamma) {
			srgb_to_linearrgb_v3_v3(color, color);
		}

		ED_imapaint_bucket_fill(C, color, op);
	}

	ED_region_tag_redraw(ar);

	return OPERATOR_FINISHED;
}


static void UI_OT_drop_color(wmOperatorType *ot)
{
	ot->name = "Drop Color";
	ot->idname = "UI_OT_drop_color";
	ot->description = "Drop colors to buttons";

	ot->invoke = drop_color_invoke;
	ot->flag = OPTYPE_INTERNAL;

	RNA_def_float_color(ot->srna, "color", 3, NULL, 0.0, FLT_MAX, "Color", "Source color", 0.0, 1.0);
	RNA_def_boolean(ot->srna, "gamma", 0, "Gamma Corrected", "The source color is gamma corrected ");
}

/** \} */

/* -------------------------------------------------------------------- */
/** \name Operator & Keymap Registration
 * \{ */

void ED_operatortypes_ui(void)
{
	WM_operatortype_append(UI_OT_copy_data_path_button);
	WM_operatortype_append(UI_OT_copy_python_command_button);
	WM_operatortype_append(UI_OT_reset_default_button);
	WM_operatortype_append(UI_OT_assign_default_button);
	WM_operatortype_append(UI_OT_unset_property_button);
	WM_operatortype_append(UI_OT_override_type_set_button);
	WM_operatortype_append(UI_OT_override_remove_button);
	WM_operatortype_append(UI_OT_copy_to_selected_button);
	WM_operatortype_append(UI_OT_jump_to_target_button);
	WM_operatortype_append(UI_OT_reports_to_textblock);  /* XXX: temp? */
	WM_operatortype_append(UI_OT_drop_color);
#ifdef WITH_PYTHON
	WM_operatortype_append(UI_OT_editsource);
	WM_operatortype_append(UI_OT_edittranslation_init);
#endif
	WM_operatortype_append(UI_OT_reloadtranslation);
	WM_operatortype_append(UI_OT_button_execute);

	/* external */
	WM_operatortype_append(UI_OT_eyedropper_color);
	WM_operatortype_append(UI_OT_eyedropper_colorramp);
	WM_operatortype_append(UI_OT_eyedropper_colorramp_point);
	WM_operatortype_append(UI_OT_eyedropper_id);
	WM_operatortype_append(UI_OT_eyedropper_depth);
	WM_operatortype_append(UI_OT_eyedropper_driver);
}

/**
 * \brief User Interface Keymap
 */
void ED_keymap_ui(wmKeyConfig *keyconf)
{
	WM_keymap_ensure(keyconf, "User Interface", 0, 0);

	eyedropper_modal_keymap(keyconf);
	eyedropper_colorband_modal_keymap(keyconf);
}

/** \} */