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/*
* ***** 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 value2d_gizmo_group.c
* \ingroup edgizmolib
*
* \name 2D Value Gizmo
*
* \brief Gizmo that edits a value for operator redo.
*/
#include "BLI_utildefines.h"
#include "BKE_context.h"
#include "ED_undo.h"
#include "ED_screen.h"
#include "ED_gizmo_library.h"
#include "UI_resources.h"
#include "MEM_guardedalloc.h"
#include "RNA_access.h"
#include "WM_api.h"
#include "WM_types.h"
/* -------------------------------------------------------------------- */
/** \name Value Gizmo
* \{ */
struct ValueOpRedoGroup {
wmGizmo *gizmo;
struct {
const bContext *context; /* needed for redo. */
wmOperator *op;
} state;
};
static void gizmo_op_redo_exec(struct ValueOpRedoGroup *igzgroup)
{
wmOperator *op = igzgroup->state.op;
if (op == WM_operator_last_redo((bContext *)igzgroup->state.context)) {
ED_undo_operator_repeat((bContext *)igzgroup->state.context, op);
}
}
/* translate callbacks */
static void gizmo_value_operator_redo_value_get(
const wmGizmo *gz, wmGizmoProperty *gz_prop,
void *value_p)
{
float *value = value_p;
BLI_assert(gz_prop->type->array_length == 1);
UNUSED_VARS_NDEBUG(gz_prop);
struct ValueOpRedoGroup *igzgroup = gz->parent_gzgroup->customdata;
wmOperator *op = igzgroup->state.op;
*value = RNA_property_float_get(op->ptr, op->type->prop);
}
static void gizmo_value_operator_redo_value_set(
const wmGizmo *gz, wmGizmoProperty *gz_prop,
const void *value_p)
{
const float *value = value_p;
BLI_assert(gz_prop->type->array_length == 1);
UNUSED_VARS_NDEBUG(gz_prop);
struct ValueOpRedoGroup *igzgroup = gz->parent_gzgroup->customdata;
wmOperator *op = igzgroup->state.op;
RNA_property_float_set(op->ptr, op->type->prop, *value);
gizmo_op_redo_exec(igzgroup);
}
static void WIDGETGROUP_value_operator_redo_modal_from_setup(
const bContext *C, wmGizmoGroup *gzgroup)
{
/* Start off dragging. */
wmWindow *win = CTX_wm_window(C);
wmGizmo *gz = gzgroup->gizmos.first;
wmGizmoMap *gzmap = gzgroup->parent_gzmap;
WM_gizmo_modal_set_from_setup(
gzmap, (bContext *)C, gz, 0, win->eventstate);
}
static void WIDGETGROUP_value_operator_redo_setup(const bContext *C, wmGizmoGroup *gzgroup)
{
struct ValueOpRedoGroup *igzgroup = MEM_mallocN(sizeof(struct ValueOpRedoGroup), __func__);
igzgroup->gizmo = WM_gizmo_new("GIZMO_GT_value_2d", gzgroup, NULL);
wmGizmo *gz = igzgroup->gizmo;
igzgroup->state.context = C;
igzgroup->state.op = WM_operator_last_redo(C);
gzgroup->customdata = igzgroup;
UI_GetThemeColor3fv(TH_GIZMO_PRIMARY, gz->color);
UI_GetThemeColor3fv(TH_GIZMO_HI, gz->color_hi);
WM_gizmo_target_property_def_func(
gz, "offset",
&(const struct wmGizmoPropertyFnParams) {
.value_get_fn = gizmo_value_operator_redo_value_get,
.value_set_fn = gizmo_value_operator_redo_value_set,
.range_get_fn = NULL,
.user_data = igzgroup,
});
/* Become modal as soon as it's started. */
WIDGETGROUP_value_operator_redo_modal_from_setup(C, gzgroup);
}
static void WIDGETGROUP_value_operator_redo_refresh(const bContext *UNUSED(C), wmGizmoGroup *gzgroup)
{
struct ValueOpRedoGroup *igzgroup = gzgroup->customdata;
wmGizmo *gz = igzgroup->gizmo;
wmOperator *op = WM_operator_last_redo((bContext *)igzgroup->state.context);
wmGizmoMap *gzmap = gzgroup->parent_gzmap;
/* FIXME */
extern struct wmGizmo *wm_gizmomap_modal_get(struct wmGizmoMap *gzmap);
if ((op != igzgroup->state.op) ||
(wm_gizmomap_modal_get(gzmap) != gz))
{
WM_gizmo_group_type_unlink_delayed_ptr(gzgroup->type);
}
}
static void WM_GGT_value_operator_redo(wmGizmoGroupType *gzgt)
{
gzgt->name = "Value Operator Redo";
gzgt->idname = "WM_GGT_value_operator_redo";
/* FIXME, allow multiple. */
gzgt->flag = WM_GIZMOGROUPTYPE_3D | WM_GIZMOGROUPTYPE_TOOL_INIT;
gzgt->gzmap_params.spaceid = SPACE_VIEW3D;
gzgt->gzmap_params.regionid = RGN_TYPE_WINDOW;
gzgt->setup = WIDGETGROUP_value_operator_redo_setup;
gzgt->refresh = WIDGETGROUP_value_operator_redo_refresh;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Public API
* \{ */
void ED_gizmogrouptypes_value_2d(void)
{
WM_gizmogrouptype_append(WM_GGT_value_operator_redo);
}
/** \} */
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