static void view3d_ruler_cancel(bContext *C, wmOperator *op) { RulerInfo *ruler_info = op->customdata; view3d_ruler_end(C, ruler_info); view3d_ruler_free(ruler_info); op->customdata = NULL; }
static int view3d_ruler_cancel(bContext *C, wmOperator *op) { RulerInfo *ruler_info = op->customdata; view3d_ruler_end(C, ruler_info); view3d_ruler_free(ruler_info); op->customdata = NULL; return OPERATOR_CANCELLED; }
static int view3d_ruler_modal(bContext *C, wmOperator *op, const wmEvent *event) { bool do_draw = false; int exit_code = OPERATOR_RUNNING_MODAL; RulerInfo *ruler_info = op->customdata; ScrArea *sa = ruler_info->sa; ARegion *ar = ruler_info->ar; RegionView3D *rv3d = ar->regiondata; /* its possible to change spaces while running the operator [#34894] */ if (UNLIKELY(ar != CTX_wm_region(C))) { exit_code = OPERATOR_FINISHED; goto exit; } switch (event->type) { case LEFTMOUSE: if (event->val == KM_RELEASE) { if (ruler_info->state == RULER_STATE_DRAG) { /* rubber-band angle removal */ RulerItem *ruler_item = ruler_item_active_get(ruler_info); if (ruler_item && (ruler_item->co_index == 1) && (ruler_item->flag & RULERITEM_USE_ANGLE)) { if (!BLI_rcti_isect_pt_v(&ar->winrct, &event->x)) { ruler_item->flag &= ~RULERITEM_USE_ANGLE; do_draw = true; } } if (ruler_info->snap_flag & RULER_SNAP_OK) { ruler_info->snap_flag &= ~RULER_SNAP_OK; do_draw = true; } ruler_info->state = RULER_STATE_NORMAL; } } else { if (ruler_info->state == RULER_STATE_NORMAL) { if (event->ctrl || /* weak - but user friendly */ BLI_listbase_is_empty(&ruler_info->items)) { View3D *v3d = CTX_wm_view3d(C); const bool use_depth = (v3d->drawtype >= OB_SOLID); /* Create new line */ RulerItem *ruler_item_prev = ruler_item_active_get(ruler_info); RulerItem *ruler_item; /* check if we want to drag an existing point or add a new one */ ruler_info->state = RULER_STATE_DRAG; ruler_item = ruler_item_add(ruler_info); ruler_item_active_set(ruler_info, ruler_item); if (use_depth) { /* snap the first point added, not essential but handy */ ruler_item->co_index = 0; view3d_ruler_item_mousemove(C, ruler_info, event->mval, false, true); copy_v3_v3(ruler_info->drag_start_co, ruler_item->co[ruler_item->co_index]); } else { /* initial depth either previous ruler, view offset */ if (ruler_item_prev) { copy_v3_v3(ruler_info->drag_start_co, ruler_item_prev->co[ruler_item_prev->co_index]); } else { negate_v3_v3(ruler_info->drag_start_co, rv3d->ofs); } copy_v3_v3(ruler_item->co[0], ruler_info->drag_start_co); view3d_ruler_item_project(ruler_info, ruler_item->co[0], event->mval); } copy_v3_v3(ruler_item->co[2], ruler_item->co[0]); ruler_item->co_index = 2; do_draw = true; } else { float mval_fl[2] = {UNPACK2(event->mval)}; RulerItem *ruler_item_pick; int co_index; /* select and drag */ if (view3d_ruler_pick(ruler_info, mval_fl, &ruler_item_pick, &co_index)) { if (co_index == -1) { if ((ruler_item_pick->flag & RULERITEM_USE_ANGLE) == 0) { /* Add Center Point */ ruler_item_active_set(ruler_info, ruler_item_pick); ruler_item_pick->flag |= RULERITEM_USE_ANGLE; ruler_item_pick->co_index = 1; ruler_info->state = RULER_STATE_DRAG; /* find the factor */ { float co_ss[2][2]; float fac; ED_view3d_project_float_global(ar, ruler_item_pick->co[0], co_ss[0], V3D_PROJ_TEST_NOP); ED_view3d_project_float_global(ar, ruler_item_pick->co[2], co_ss[1], V3D_PROJ_TEST_NOP); fac = line_point_factor_v2(mval_fl, co_ss[0], co_ss[1]); CLAMP(fac, 0.0f, 1.0f); interp_v3_v3v3(ruler_item_pick->co[1], ruler_item_pick->co[0], ruler_item_pick->co[2], fac); } /* update the new location */ view3d_ruler_item_mousemove(C, ruler_info, event->mval, event->shift != 0, event->ctrl != 0); do_draw = true; } } else { ruler_item_active_set(ruler_info, ruler_item_pick); ruler_item_pick->co_index = co_index; ruler_info->state = RULER_STATE_DRAG; /* store the initial depth */ copy_v3_v3(ruler_info->drag_start_co, ruler_item_pick->co[ruler_item_pick->co_index]); do_draw = true; } } else { exit_code = OPERATOR_PASS_THROUGH; } } } } break; case CKEY: { if (event->ctrl) { RulerItem *ruler_item = ruler_item_active_get(ruler_info); if (ruler_item) { const int prec = 8; char numstr[256]; Scene *scene = CTX_data_scene(C); UnitSettings *unit = &scene->unit; ruler_item_as_string(ruler_item, unit, numstr, sizeof(numstr), prec); WM_clipboard_text_set((void *) numstr, false); } } break; } case RIGHTCTRLKEY: case LEFTCTRLKEY: { WM_event_add_mousemove(C); break; } case MOUSEMOVE: { if (ruler_info->state == RULER_STATE_DRAG) { if (view3d_ruler_item_mousemove(C, ruler_info, event->mval, event->shift != 0, event->ctrl != 0)) { do_draw = true; } } break; } case ESCKEY: { do_draw = true; exit_code = OPERATOR_CANCELLED; break; } case RETKEY: { view3d_ruler_to_gpencil(C, ruler_info); do_draw = true; exit_code = OPERATOR_FINISHED; break; } case DELKEY: { if (event->val == KM_PRESS) { if (ruler_info->state == RULER_STATE_NORMAL) { RulerItem *ruler_item = ruler_item_active_get(ruler_info); if (ruler_item) { RulerItem *ruler_item_other = ruler_item->prev ? ruler_item->prev : ruler_item->next; ruler_item_remove(ruler_info, ruler_item); ruler_item_active_set(ruler_info, ruler_item_other); do_draw = true; } } } break; } default: exit_code = OPERATOR_PASS_THROUGH; break; } if (do_draw) { view3d_ruler_header_update(sa); /* all 3d views draw rulers */ WM_event_add_notifier(C, NC_SPACE | ND_SPACE_VIEW3D, NULL); } exit: if (ELEM(exit_code, OPERATOR_FINISHED, OPERATOR_CANCELLED)) { WM_cursor_modal_restore(ruler_info->win); view3d_ruler_end(C, ruler_info); view3d_ruler_free(ruler_info); op->customdata = NULL; ED_area_headerprint(sa, NULL); } return exit_code; }