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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.
*
* The Original Code is Copyright (C) 2014, Blender Foundation
* This is a new part of Blender
*
* Contributor(s): Joshua Leung
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/gpencil/gpencil_select.c
* \ingroup edgpencil
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stddef.h>
#include <math.h>
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_lasso.h"
#include "BLI_utildefines.h"
#include "DNA_gpencil_types.h"
#include "DNA_screen_types.h"
#include "BKE_context.h"
#include "BKE_gpencil.h"
#include "BKE_report.h"
#include "UI_interface.h"
#include "WM_api.h"
#include "WM_types.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "UI_view2d.h"
#include "ED_gpencil.h"
#include "gpencil_intern.h"
/* ********************************************** */
/* Polling callbacks */
static int gpencil_select_poll(bContext *C)
{
bGPdata *gpd = ED_gpencil_data_get_active(C);
bGPDlayer *gpl = gpencil_layer_getactive(gpd);
/* only if there's an active layer with an active frame */
return (gpl && gpl->actframe);
}
/* ********************************************** */
/* Select All Operator */
static int gpencil_select_all_exec(bContext *C, wmOperator *op)
{
bGPdata *gpd = ED_gpencil_data_get_active(C);
int action = RNA_enum_get(op->ptr, "action");
if (gpd == NULL) {
BKE_report(op->reports, RPT_ERROR, "No Grease Pencil data");
return OPERATOR_CANCELLED;
}
/* for "toggle", test for existing selected strokes */
if (action == SEL_TOGGLE) {
action = SEL_SELECT;
CTX_DATA_BEGIN(C, bGPDstroke *, gps, editable_gpencil_strokes)
{
if (gps->flag & GP_STROKE_SELECT) {
action = SEL_DESELECT;
break; // XXX: this only gets out of the inner loop...
}
}
CTX_DATA_END;
}
/* if deselecting, we need to deselect strokes across all frames
* - Currently, an exception is only given for deselection
* Selecting and toggling should only affect what's visible,
* while deselecting helps clean up unintended/forgotten
* stuff on other frames
*/
if (action == SEL_DESELECT) {
/* deselect strokes across editable layers
* NOTE: we limit ourselves to editable layers, since once a layer is "locked/hidden
* nothing should be able to touch it
*/
CTX_DATA_BEGIN(C, bGPDlayer *, gpl, editable_gpencil_layers)
{
bGPDframe *gpf;
/* deselect all strokes on all frames */
for (gpf = gpl->frames.first; gpf; gpf = gpf->next) {
bGPDstroke *gps;
for (gps = gpf->strokes.first; gps; gps = gps->next) {
bGPDspoint *pt;
int i;
/* only edit strokes that are valid in this view... */
if (ED_gpencil_stroke_can_use(C, gps)) {
for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {
pt->flag &= ~GP_SPOINT_SELECT;
}
gps->flag &= ~GP_STROKE_SELECT;
}
}
}
}
CTX_DATA_END;
}
else {
/* select or deselect all strokes */
CTX_DATA_BEGIN(C, bGPDstroke *, gps, editable_gpencil_strokes)
{
bGPDspoint *pt;
int i;
bool selected = false;
/* Change selection status of all points, then make the stroke match */
for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {
switch (action) {
case SEL_SELECT:
pt->flag |= GP_SPOINT_SELECT;
break;
//case SEL_DESELECT:
// pt->flag &= ~GP_SPOINT_SELECT;
// break;
case SEL_INVERT:
pt->flag ^= GP_SPOINT_SELECT;
break;
}
if (pt->flag & GP_SPOINT_SELECT)
selected = true;
}
/* Change status of stroke */
if (selected)
gps->flag |= GP_STROKE_SELECT;
else
gps->flag &= ~GP_STROKE_SELECT;
}
CTX_DATA_END;
}
/* updates */
WM_event_add_notifier(C, NC_GPENCIL | NA_SELECTED, NULL);
return OPERATOR_FINISHED;
}
void GPENCIL_OT_select_all(wmOperatorType *ot)
{
/* identifiers */
ot->name = "(De)select All Strokes";
ot->idname = "GPENCIL_OT_select_all";
ot->description = "Change selection of all Grease Pencil strokes currently visible";
/* callbacks */
ot->exec = gpencil_select_all_exec;
ot->poll = gpencil_select_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
WM_operator_properties_select_all(ot);
}
/* ********************************************** */
/* Select Linked */
static int gpencil_select_linked_exec(bContext *C, wmOperator *op)
{
bGPdata *gpd = ED_gpencil_data_get_active(C);
if (gpd == NULL) {
BKE_report(op->reports, RPT_ERROR, "No Grease Pencil data");
return OPERATOR_CANCELLED;
}
/* select all points in selected strokes */
CTX_DATA_BEGIN(C, bGPDstroke *, gps, editable_gpencil_strokes)
{
if (gps->flag & GP_STROKE_SELECT) {
bGPDspoint *pt;
int i;
for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {
pt->flag |= GP_SPOINT_SELECT;
}
}
}
CTX_DATA_END;
/* updates */
WM_event_add_notifier(C, NC_GPENCIL | NA_SELECTED, NULL);
return OPERATOR_FINISHED;
}
void GPENCIL_OT_select_linked(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Select Linked";
ot->idname = "GPENCIL_OT_select_linked";
ot->description = "Select all points in same strokes as already selected points";
/* callbacks */
ot->exec = gpencil_select_linked_exec;
ot->poll = gpencil_select_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/* ********************************************** */
/* Select More */
static int gpencil_select_more_exec(bContext *C, wmOperator *UNUSED(op))
{
CTX_DATA_BEGIN(C, bGPDstroke *, gps, editable_gpencil_strokes)
{
if (gps->flag & GP_STROKE_SELECT) {
bGPDspoint *pt;
int i;
bool prev_sel;
/* First Pass: Go in forward order, expanding selection if previous was selected (pre changes)...
* - This pass covers the "after" edges of selection islands
*/
prev_sel = false;
for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {
if (pt->flag & GP_SPOINT_SELECT) {
/* selected point - just set flag for next point */
prev_sel = true;
}
else {
/* unselected point - expand selection if previous was selected... */
if (prev_sel) {
pt->flag |= GP_SPOINT_SELECT;
}
prev_sel = false;
}
}
/* Second Pass: Go in reverse order, doing the same as before (except in opposite order)
* - This pass covers the "before" edges of selection islands
*/
prev_sel = false;
for (pt -= 1; i > 0; i--, pt--) {
if (pt->flag & GP_SPOINT_SELECT) {
prev_sel = true;
}
else {
/* unselected point - expand selection if previous was selected... */
if (prev_sel) {
pt->flag |= GP_SPOINT_SELECT;
}
prev_sel = false;
}
}
}
}
CTX_DATA_END;
/* updates */
WM_event_add_notifier(C, NC_GPENCIL | NA_SELECTED, NULL);
return OPERATOR_FINISHED;
}
void GPENCIL_OT_select_more(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Select More";
ot->idname = "GPENCIL_OT_select_more";
ot->description = "Grow sets of selected Grease Pencil points";
/* callbacks */
ot->exec = gpencil_select_more_exec;
ot->poll = gpencil_select_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/* ********************************************** */
/* Select Less */
static int gpencil_select_less_exec(bContext *C, wmOperator *UNUSED(op))
{
CTX_DATA_BEGIN(C, bGPDstroke *, gps, editable_gpencil_strokes)
{
if (gps->flag & GP_STROKE_SELECT) {
bGPDspoint *pt;
int i;
bool prev_sel;
/* First Pass: Go in forward order, shrinking selection if previous was not selected (pre changes)...
* - This pass covers the "after" edges of selection islands
*/
prev_sel = false;
for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {
if (pt->flag & GP_SPOINT_SELECT) {
/* shrink if previous wasn't selected */
if (prev_sel == false) {
pt->flag &= ~GP_SPOINT_SELECT;
}
prev_sel = true;
}
else {
/* mark previous as being unselected - and hence, is trigger for shrinking */
prev_sel = false;
}
}
/* Second Pass: Go in reverse order, doing the same as before (except in opposite order)
* - This pass covers the "before" edges of selection islands
*/
prev_sel = false;
for (pt -= 1; i > 0; i--, pt--) {
if (pt->flag & GP_SPOINT_SELECT) {
/* shrink if previous wasn't selected */
if (prev_sel == false) {
pt->flag &= ~GP_SPOINT_SELECT;
}
prev_sel = true;
}
else {
/* mark previous as being unselected - and hence, is trigger for shrinking */
prev_sel = false;
}
}
}
}
CTX_DATA_END;
/* updates */
WM_event_add_notifier(C, NC_GPENCIL | NA_SELECTED, NULL);
return OPERATOR_FINISHED;
}
void GPENCIL_OT_select_less(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Select Less";
ot->idname = "GPENCIL_OT_select_less";
ot->description = "Shrink sets of selected Grease Pencil points";
/* callbacks */
ot->exec = gpencil_select_less_exec;
ot->poll = gpencil_select_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/* ********************************************** */
/* Circle Select Operator */
/* Helper to check if a given stroke is within the area */
/* NOTE: Code here is adapted (i.e. copied directly) from gpencil_paint.c::gp_stroke_eraser_dostroke()
* It would be great to de-duplicate the logic here sometime, but that can wait...
*/
static bool gp_stroke_do_circle_sel(bGPDstroke *gps, GP_SpaceConversion *gsc,
const int mx, const int my, const int radius,
const bool select, rcti *rect)
{
bGPDspoint *pt1, *pt2;
int x0 = 0, y0 = 0, x1 = 0, y1 = 0;
int i;
bool changed = false;
if (gps->totpoints == 1) {
gp_point_to_xy(gsc, gps, gps->points, &x0, &y0);
/* do boundbox check first */
if ((!ELEM(V2D_IS_CLIPPED, x0, y0)) && BLI_rcti_isect_pt(rect, x0, y0)) {
/* only check if point is inside */
if (((x0 - mx) * (x0 - mx) + (y0 - my) * (y0 - my)) <= radius * radius) {
/* change selection */
if (select) {
gps->points->flag |= GP_SPOINT_SELECT;
gps->flag |= GP_STROKE_SELECT;
}
else {
gps->points->flag &= ~GP_SPOINT_SELECT;
gps->flag &= ~GP_STROKE_SELECT;
}
return true;
}
}
}
else {
/* Loop over the points in the stroke, checking for intersections
* - an intersection means that we touched the stroke
*/
for (i = 0; (i + 1) < gps->totpoints; i++) {
/* get points to work with */
pt1 = gps->points + i;
pt2 = gps->points + i + 1;
gp_point_to_xy(gsc, gps, pt1, &x0, &y0);
gp_point_to_xy(gsc, gps, pt2, &x1, &y1);
/* check that point segment of the boundbox of the selection stroke */
if (((!ELEM(V2D_IS_CLIPPED, x0, y0)) && BLI_rcti_isect_pt(rect, x0, y0)) ||
((!ELEM(V2D_IS_CLIPPED, x1, y1)) && BLI_rcti_isect_pt(rect, x1, y1)))
{
int mval[2] = {mx, my};
int mvalo[2] = {mx, my}; /* dummy - this isn't used... */
/* check if point segment of stroke had anything to do with
* eraser region (either within stroke painted, or on its lines)
* - this assumes that linewidth is irrelevant
*/
if (gp_stroke_inside_circle(mval, mvalo, radius, x0, y0, x1, y1)) {
/* change selection of stroke, and then of both points
* (as the last point otherwise wouldn't get selected
* as we only do n-1 loops through)
*/
if (select) {
pt1->flag |= GP_SPOINT_SELECT;
pt2->flag |= GP_SPOINT_SELECT;
changed = true;
}
else {
pt1->flag &= ~GP_SPOINT_SELECT;
pt2->flag &= ~GP_SPOINT_SELECT;
changed = true;
}
}
}
}
/* Ensure that stroke selection is in sync with its points */
gpencil_stroke_sync_selection(gps);
}
return changed;
}
static int gpencil_circle_select_exec(bContext *C, wmOperator *op)
{
ScrArea *sa = CTX_wm_area(C);
const int mx = RNA_int_get(op->ptr, "x");
const int my = RNA_int_get(op->ptr, "y");
const int radius = RNA_int_get(op->ptr, "radius");
const int gesture_mode = RNA_int_get(op->ptr, "gesture_mode");
const bool select = (gesture_mode == GESTURE_MODAL_SELECT);
GP_SpaceConversion gsc = {NULL};
rcti rect = {0}; /* for bounding rect around circle (for quicky intersection testing) */
bool changed = false;
/* sanity checks */
if (sa == NULL) {
BKE_report(op->reports, RPT_ERROR, "No active area");
return OPERATOR_CANCELLED;
}
/* init space conversion stuff */
gp_point_conversion_init(C, &gsc);
/* rect is rectangle of selection circle */
rect.xmin = mx - radius;
rect.ymin = my - radius;
rect.xmax = mx + radius;
rect.ymax = my + radius;
/* find visible strokes, and select if hit */
CTX_DATA_BEGIN(C, bGPDstroke *, gps, editable_gpencil_strokes)
{
changed |= gp_stroke_do_circle_sel(gps, &gsc, mx, my, radius, select, &rect);
}
CTX_DATA_END;
/* updates */
if (changed) {
WM_event_add_notifier(C, NC_GPENCIL | NA_SELECTED, NULL);
}
return OPERATOR_FINISHED;
}
void GPENCIL_OT_select_circle(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Circle Select";
ot->description = "Select Grease Pencil strokes using brush selection";
ot->idname = "GPENCIL_OT_select_circle";
/* callbacks */
ot->invoke = WM_gesture_circle_invoke;
ot->modal = WM_gesture_circle_modal;
ot->exec = gpencil_circle_select_exec;
ot->poll = gpencil_select_poll;
ot->cancel = WM_gesture_circle_cancel;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
RNA_def_int(ot->srna, "x", 0, INT_MIN, INT_MAX, "X", "", INT_MIN, INT_MAX);
RNA_def_int(ot->srna, "y", 0, INT_MIN, INT_MAX, "Y", "", INT_MIN, INT_MAX);
RNA_def_int(ot->srna, "radius", 1, 1, INT_MAX, "Radius", "", 1, INT_MAX);
RNA_def_int(ot->srna, "gesture_mode", 0, INT_MIN, INT_MAX, "Gesture Mode", "", INT_MIN, INT_MAX);
}
/* ********************************************** */
/* Box Selection */
static int gpencil_border_select_exec(bContext *C, wmOperator *op)
{
ScrArea *sa = CTX_wm_area(C);
const int gesture_mode = RNA_int_get(op->ptr, "gesture_mode");
const bool select = (gesture_mode == GESTURE_MODAL_SELECT);
const bool extend = RNA_boolean_get(op->ptr, "extend");
GP_SpaceConversion gsc = {NULL};
rcti rect = {0};
bool changed = false;
/* sanity checks */
if (sa == NULL) {
BKE_report(op->reports, RPT_ERROR, "No active area");
return OPERATOR_CANCELLED;
}
/* init space conversion stuff */
gp_point_conversion_init(C, &gsc);
/* deselect all strokes first? */
if (select && !extend) {
CTX_DATA_BEGIN(C, bGPDstroke *, gps, editable_gpencil_strokes)
{
bGPDspoint *pt;
int i;
for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {
pt->flag &= ~GP_SPOINT_SELECT;
}
gps->flag &= ~GP_STROKE_SELECT;
}
CTX_DATA_END;
}
/* get settings from operator */
WM_operator_properties_border_to_rcti(op, &rect);
/* select/deselect points */
CTX_DATA_BEGIN(C, bGPDstroke *, gps, editable_gpencil_strokes)
{
bGPDspoint *pt;
int i;
for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {
int x0, y0;
/* convert point coords to screenspace */
gp_point_to_xy(&gsc, gps, pt, &x0, &y0);
/* test if in selection rect */
if ((!ELEM(V2D_IS_CLIPPED, x0, y0)) && BLI_rcti_isect_pt(&rect, x0, y0)) {
if (select) {
pt->flag |= GP_SPOINT_SELECT;
}
else {
pt->flag &= ~GP_SPOINT_SELECT;
}
changed = true;
}
}
/* Ensure that stroke selection is in sync with its points */
gpencil_stroke_sync_selection(gps);
}
CTX_DATA_END;
/* updates */
if (changed) {
WM_event_add_notifier(C, NC_GPENCIL | NA_SELECTED, NULL);
}
return OPERATOR_FINISHED;
}
void GPENCIL_OT_select_border(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Border Select";
ot->description = "Select Grease Pencil strokes within a rectangular region";
ot->idname = "GPENCIL_OT_select_border";
/* callbacks */
ot->invoke = WM_border_select_invoke;
ot->exec = gpencil_border_select_exec;
ot->modal = WM_border_select_modal;
ot->cancel = WM_border_select_cancel;
ot->poll = gpencil_select_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* rna */
WM_operator_properties_gesture_border(ot, true);
}
/* ********************************************** */
/* Lasso */
static int gpencil_lasso_select_exec(bContext *C, wmOperator *op)
{
GP_SpaceConversion gsc = {NULL};
rcti rect = {0};
const bool extend = RNA_boolean_get(op->ptr, "extend");
const bool select = !RNA_boolean_get(op->ptr, "deselect");
int mcords_tot;
const int (*mcords)[2] = WM_gesture_lasso_path_to_array(C, op, &mcords_tot);
bool changed = false;
/* sanity check */
if (mcords == NULL)
return OPERATOR_PASS_THROUGH;
/* compute boundbox of lasso (for faster testing later) */
BLI_lasso_boundbox(&rect, mcords, mcords_tot);
/* init space conversion stuff */
gp_point_conversion_init(C, &gsc);
/* deselect all strokes first? */
if (select && !extend) {
CTX_DATA_BEGIN(C, bGPDstroke *, gps, editable_gpencil_strokes)
{
bGPDspoint *pt;
int i;
for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {
pt->flag &= ~GP_SPOINT_SELECT;
}
gps->flag &= ~GP_STROKE_SELECT;
}
CTX_DATA_END;
}
/* select/deselect points */
CTX_DATA_BEGIN(C, bGPDstroke *, gps, editable_gpencil_strokes)
{
bGPDspoint *pt;
int i;
for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {
int x0, y0;
/* convert point coords to screenspace */
gp_point_to_xy(&gsc, gps, pt, &x0, &y0);
/* test if in lasso boundbox + within the lasso noose */
if ((!ELEM(V2D_IS_CLIPPED, x0, y0)) && BLI_rcti_isect_pt(&rect, x0, y0) &&
BLI_lasso_is_point_inside(mcords, mcords_tot, x0, y0, INT_MAX))
{
if (select) {
pt->flag |= GP_SPOINT_SELECT;
}
else {
pt->flag &= ~GP_SPOINT_SELECT;
}
changed = true;
}
}
/* Ensure that stroke selection is in sync with its points */
gpencil_stroke_sync_selection(gps);
}
CTX_DATA_END;
/* cleanup */
MEM_freeN((void *)mcords);
/* updates */
if (changed) {
WM_event_add_notifier(C, NC_GPENCIL | NA_SELECTED, NULL);
}
return OPERATOR_FINISHED;
}
void GPENCIL_OT_select_lasso(wmOperatorType *ot)
{
ot->name = "Lasso Select Strokes";
ot->description = "Select Grease Pencil strokes using lasso selection";
ot->idname = "GPENCIL_OT_select_lasso";
ot->invoke = WM_gesture_lasso_invoke;
ot->modal = WM_gesture_lasso_modal;
ot->exec = gpencil_lasso_select_exec;
ot->poll = gpencil_select_poll;
ot->cancel = WM_gesture_lasso_cancel;
/* flags */
ot->flag = OPTYPE_UNDO;
RNA_def_collection_runtime(ot->srna, "path", &RNA_OperatorMousePath, "Path", "");
RNA_def_boolean(ot->srna, "deselect", 0, "Deselect", "Deselect rather than select items");
RNA_def_boolean(ot->srna, "extend", 1, "Extend", "Extend selection instead of deselecting everything first");
}
/* ********************************************** */
/* Mouse Click to Select */
static int gpencil_select_exec(bContext *C, wmOperator *op)
{
ScrArea *sa = CTX_wm_area(C);
/* "radius" is simply a threshold (screen space) to make it easier to test with a tolerance */
const float radius = 0.75f * U.widget_unit;
const int radius_squared = (int)(radius * radius);
bool extend = RNA_boolean_get(op->ptr, "extend");
bool deselect = RNA_boolean_get(op->ptr, "deselect");
bool toggle = RNA_boolean_get(op->ptr, "toggle");
bool whole = RNA_boolean_get(op->ptr, "entire_strokes");
int location[2] = {0};
int mx, my;
GP_SpaceConversion gsc = {NULL};
bGPDstroke *hit_stroke = NULL;
bGPDspoint *hit_point = NULL;
/* sanity checks */
if (sa == NULL) {
BKE_report(op->reports, RPT_ERROR, "No active area");
return OPERATOR_CANCELLED;
}
/* init space conversion stuff */
gp_point_conversion_init(C, &gsc);
/* get mouse location */
RNA_int_get_array(op->ptr, "location", location);
mx = location[0];
my = location[1];
/* First Pass: Find stroke point which gets hit */
/* XXX: maybe we should go from the top of the stack down instead... */
CTX_DATA_BEGIN(C, bGPDstroke *, gps, editable_gpencil_strokes)
{
bGPDspoint *pt;
int i;
int hit_index = -1;
/* firstly, check for hit-point */
for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {
int x0, y0;
gp_point_to_xy(&gsc, gps, pt, &x0, &y0);
/* do boundbox check first */
if (!ELEM(V2D_IS_CLIPPED, x0, x0)) {
/* only check if point is inside */
if (((x0 - mx) * (x0 - mx) + (y0 - my) * (y0 - my)) <= radius_squared) {
hit_stroke = gps;
hit_point = pt;
break;
}
}
}
/* skip to next stroke if nothing found */
if (hit_index == -1)
continue;
}
CTX_DATA_END;
/* Abort if nothing hit... */
if (ELEM(NULL, hit_stroke, hit_point)) {
return OPERATOR_CANCELLED;
}
/* adjust selection behaviour - for toggle option */
if (toggle) {
deselect = (hit_point->flag & GP_SPOINT_SELECT) != 0;
}
/* If not extending selection, deselect everything else */
if (extend == false) {
CTX_DATA_BEGIN(C, bGPDstroke *, gps, editable_gpencil_strokes)
{
/* deselect stroke and its points if selected */
if (gps->flag & GP_STROKE_SELECT) {
bGPDspoint *pt;
int i;
/* deselect points */
for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {
pt->flag &= ~GP_SPOINT_SELECT;
}
/* deselect stroke itself too */
gps->flag &= ~GP_STROKE_SELECT;
}
}
CTX_DATA_END;
}
/* Perform selection operations... */
if (whole) {
bGPDspoint *pt;
int i;
/* entire stroke's points */
for (i = 0, pt = hit_stroke->points; i < hit_stroke->totpoints; i++, pt++) {
if (deselect == false)
pt->flag |= GP_SPOINT_SELECT;
else
pt->flag &= ~GP_SPOINT_SELECT;
}
/* stroke too... */
if (deselect == false)
hit_stroke->flag |= GP_STROKE_SELECT;
else
hit_stroke->flag &= ~GP_STROKE_SELECT;
}
else {
/* just the point (and the stroke) */
if (deselect == false) {
/* we're adding selection, so selection must be true */
hit_point->flag |= GP_SPOINT_SELECT;
hit_stroke->flag |= GP_STROKE_SELECT;
}
else {
/* deselect point */
hit_point->flag &= ~GP_SPOINT_SELECT;
/* ensure that stroke is selected correctly */
gpencil_stroke_sync_selection(hit_stroke);
}
}
/* updates */
if (hit_point != NULL) {
WM_event_add_notifier(C, NC_GPENCIL | NA_SELECTED, NULL);
}
return OPERATOR_FINISHED;
}
static int gpencil_select_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
RNA_int_set_array(op->ptr, "location", event->mval);
return gpencil_select_exec(C, op);
}
void GPENCIL_OT_select(wmOperatorType *ot)
{
PropertyRNA *prop;
/* identifiers */
ot->name = "Select";
ot->description = "Select Grease Pencil strokes and/or stroke points";
ot->idname = "GPENCIL_OT_select";
/* callbacks */
ot->invoke = gpencil_select_invoke;
ot->exec = gpencil_select_exec;
ot->poll = gpencil_select_poll;
/* flag */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
WM_operator_properties_mouse_select(ot);
prop = RNA_def_boolean(ot->srna, "entire_strokes", false, "Entire Strokes", "Select entire strokes instead of just the nearest stroke vertex");
RNA_def_property_flag(prop, PROP_SKIP_SAVE);
prop = RNA_def_int_vector(ot->srna, "location", 2, NULL, INT_MIN, INT_MAX, "Location", "Mouse location", INT_MIN, INT_MAX);
RNA_def_property_flag(prop, PROP_HIDDEN);
}
/* ********************************************** */
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