diff options
Diffstat (limited to 'source/blender/editors/space_node/node_select.cc')
| -rw-r--r-- | source/blender/editors/space_node/node_select.cc | 1315 |
1 files changed, 1315 insertions, 0 deletions
diff --git a/source/blender/editors/space_node/node_select.cc b/source/blender/editors/space_node/node_select.cc new file mode 100644 index 00000000000..41820cd813c --- /dev/null +++ b/source/blender/editors/space_node/node_select.cc @@ -0,0 +1,1315 @@ +/* + * 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) 2008 Blender Foundation. + * All rights reserved. + */ + +/** \file + * \ingroup spnode + */ + +#include <array> +#include <cstdlib> + +#include "DNA_node_types.h" +#include "DNA_windowmanager_types.h" + +#include "BLI_lasso_2d.h" +#include "BLI_listbase.h" +#include "BLI_math.h" +#include "BLI_rect.h" +#include "BLI_string.h" +#include "BLI_string_search.h" +#include "BLI_string_utf8.h" +#include "BLI_utildefines.h" + +#include "BKE_context.h" +#include "BKE_main.h" +#include "BKE_node.h" +#include "BKE_workspace.h" + +#include "ED_node.h" /* own include */ +#include "ED_screen.h" +#include "ED_select_utils.h" +#include "ED_view3d.h" + +#include "RNA_access.h" +#include "RNA_define.h" + +#include "WM_api.h" +#include "WM_types.h" + +#include "UI_interface.h" +#include "UI_resources.h" +#include "UI_view2d.h" + +#include "DEG_depsgraph.h" + +#include "MEM_guardedalloc.h" + +#include "node_intern.h" /* own include */ + +/** + * Function to detect if there is a visible view3d that uses workbench in texture mode. + * This function is for fixing T76970 for Blender 2.83. The actual fix should add a mechanism in + * the depsgraph that can be used by the draw engines to check if they need to be redrawn. + * + * We don't want to add these risky changes this close before releasing 2.83 without good testing + * hence this workaround. There are still cases were too many updates happen. For example when you + * have both a Cycles and workbench with textures viewport. + */ +static bool has_workbench_in_texture_color(const wmWindowManager *wm, + const Scene *scene, + const Object *ob) +{ + LISTBASE_FOREACH (wmWindow *, win, &wm->windows) { + if (win->scene != scene) { + continue; + } + const bScreen *screen = BKE_workspace_active_screen_get(win->workspace_hook); + LISTBASE_FOREACH (ScrArea *, area, &screen->areabase) { + if (area->spacetype == SPACE_VIEW3D) { + const View3D *v3d = (const View3D *)area->spacedata.first; + + if (ED_view3d_has_workbench_in_texture_color(scene, ob, v3d)) { + return true; + } + } + } + } + return false; +} + +/* -------------------------------------------------------------------- */ +/** \name Public Node Selection API + * \{ */ + +static bNode *node_under_mouse_select(bNodeTree *ntree, int mx, int my) +{ + bNode *node; + + for (node = (bNode *)ntree->nodes.last; node; node = node->prev) { + if (node->typeinfo->select_area_func) { + if (node->typeinfo->select_area_func(node, mx, my)) { + return node; + } + } + } + return nullptr; +} + +static bNode *node_under_mouse_tweak(bNodeTree *ntree, int mx, int my) +{ + bNode *node; + + for (node = (bNode *)ntree->nodes.last; node; node = node->prev) { + if (node->typeinfo->tweak_area_func) { + if (node->typeinfo->tweak_area_func(node, mx, my)) { + return node; + } + } + } + return nullptr; +} + +static bool is_position_over_node_or_socket(SpaceNode *snode, float mouse[2]) +{ + if (node_under_mouse_tweak(snode->edittree, mouse[0], mouse[1])) { + return true; + } + + bNode *node; + bNodeSocket *sock; + if (node_find_indicated_socket(snode, &node, &sock, mouse, SOCK_IN | SOCK_OUT)) { + return true; + } + + return false; +} + +static bool is_event_over_node_or_socket(bContext *C, const wmEvent *event) +{ + SpaceNode *snode = CTX_wm_space_node(C); + ARegion *region = CTX_wm_region(C); + float mouse[2]; + UI_view2d_region_to_view(®ion->v2d, event->mval[0], event->mval[1], &mouse[0], &mouse[1]); + return is_position_over_node_or_socket(snode, mouse); +} + +static void node_toggle(bNode *node) +{ + nodeSetSelected(node, !(node->flag & SELECT)); +} + +void node_socket_select(bNode *node, bNodeSocket *sock) +{ + sock->flag |= SELECT; + + /* select node too */ + if (node) { + node->flag |= SELECT; + } +} + +void node_socket_deselect(bNode *node, bNodeSocket *sock, const bool deselect_node) +{ + sock->flag &= ~SELECT; + + if (node && deselect_node) { + bool sel = false; + + /* if no selected sockets remain, also deselect the node */ + for (sock = (bNodeSocket *)node->inputs.first; sock; sock = sock->next) { + if (sock->flag & SELECT) { + sel = true; + break; + } + } + for (sock = (bNodeSocket *)node->outputs.first; sock; sock = sock->next) { + if (sock->flag & SELECT) { + sel = true; + break; + } + } + + if (!sel) { + node->flag &= ~SELECT; + } + } +} + +static void node_socket_toggle(bNode *node, bNodeSocket *sock, int deselect_node) +{ + if (sock->flag & SELECT) { + node_socket_deselect(node, sock, deselect_node); + } + else { + node_socket_select(node, sock); + } +} + +/* no undo here! */ +void node_deselect_all(SpaceNode *snode) +{ + bNode *node; + + for (node = (bNode *)snode->edittree->nodes.first; node; node = node->next) { + nodeSetSelected(node, false); + } +} + +void node_deselect_all_input_sockets(SpaceNode *snode, const bool deselect_nodes) +{ + bNode *node; + bNodeSocket *sock; + + /* XXX not calling node_socket_deselect here each time, because this does iteration + * over all node sockets internally to check if the node stays selected. + * We can do that more efficiently here. + */ + + for (node = (bNode *)snode->edittree->nodes.first; node; node = node->next) { + int sel = 0; + + for (sock = (bNodeSocket *)node->inputs.first; sock; sock = sock->next) { + sock->flag &= ~SELECT; + } + + /* if no selected sockets remain, also deselect the node */ + if (deselect_nodes) { + for (sock = (bNodeSocket *)node->outputs.first; sock; sock = sock->next) { + if (sock->flag & SELECT) { + sel = 1; + break; + } + } + + if (!sel) { + node->flag &= ~SELECT; + } + } + } +} + +void node_deselect_all_output_sockets(SpaceNode *snode, const bool deselect_nodes) +{ + bNode *node; + bNodeSocket *sock; + + /* XXX not calling node_socket_deselect here each time, because this does iteration + * over all node sockets internally to check if the node stays selected. + * We can do that more efficiently here. + */ + + for (node = (bNode *)snode->edittree->nodes.first; node; node = node->next) { + bool sel = false; + + for (sock = (bNodeSocket *)node->outputs.first; sock; sock = sock->next) { + sock->flag &= ~SELECT; + } + + /* if no selected sockets remain, also deselect the node */ + if (deselect_nodes) { + for (sock = (bNodeSocket *)node->inputs.first; sock; sock = sock->next) { + if (sock->flag & SELECT) { + sel = true; + break; + } + } + + if (!sel) { + node->flag &= ~SELECT; + } + } + } +} + +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Select Grouped Operator + * \{ */ + +/* Return true if we need redraw, otherwise false. */ + +static bool node_select_grouped_type(SpaceNode *snode, bNode *node_act) +{ + bNode *node; + bool changed = false; + + for (node = (bNode *)snode->edittree->nodes.first; node; node = node->next) { + if ((node->flag & SELECT) == 0) { + if (node->type == node_act->type) { + nodeSetSelected(node, true); + changed = true; + } + } + } + + return changed; +} + +static bool node_select_grouped_color(SpaceNode *snode, bNode *node_act) +{ + bNode *node; + bool changed = false; + + for (node = (bNode *)snode->edittree->nodes.first; node; node = node->next) { + if ((node->flag & SELECT) == 0) { + if (compare_v3v3(node->color, node_act->color, 0.005f)) { + nodeSetSelected(node, true); + changed = true; + } + } + } + + return changed; +} + +static bool node_select_grouped_name(SpaceNode *snode, bNode *node_act, const bool from_right) +{ + bNode *node; + bool changed = false; + const uint delims[] = {'.', '-', '_', '\0'}; + size_t pref_len_act, pref_len_curr; + const char *sep, *suf_act, *suf_curr; + + pref_len_act = BLI_str_partition_ex_utf8( + node_act->name, nullptr, delims, &sep, &suf_act, from_right); + + /* Note: in case we are searching for suffix, and found none, use whole name as suffix. */ + if (from_right && !(sep && suf_act)) { + pref_len_act = 0; + suf_act = node_act->name; + } + + for (node = (bNode *)snode->edittree->nodes.first; node; node = node->next) { + if (node->flag & SELECT) { + continue; + } + pref_len_curr = BLI_str_partition_ex_utf8( + node->name, nullptr, delims, &sep, &suf_curr, from_right); + + /* Same as with active node name! */ + if (from_right && !(sep && suf_curr)) { + pref_len_curr = 0; + suf_curr = node->name; + } + + if ((from_right && STREQ(suf_act, suf_curr)) || + (!from_right && (pref_len_act == pref_len_curr) && + STREQLEN(node_act->name, node->name, pref_len_act))) { + nodeSetSelected(node, true); + changed = true; + } + } + + return changed; +} + +enum { + NODE_SELECT_GROUPED_TYPE = 0, + NODE_SELECT_GROUPED_COLOR = 1, + NODE_SELECT_GROUPED_PREFIX = 2, + NODE_SELECT_GROUPED_SUFIX = 3, +}; + +static int node_select_grouped_exec(bContext *C, wmOperator *op) +{ + SpaceNode *snode = CTX_wm_space_node(C); + bNode *node_act = nodeGetActive(snode->edittree); + + if (node_act == nullptr) { + return OPERATOR_CANCELLED; + } + + bNode *node; + bool changed = false; + const bool extend = RNA_boolean_get(op->ptr, "extend"); + const int type = RNA_enum_get(op->ptr, "type"); + + if (!extend) { + for (node = (bNode *)snode->edittree->nodes.first; node; node = node->next) { + nodeSetSelected(node, false); + } + } + nodeSetSelected(node_act, true); + + switch (type) { + case NODE_SELECT_GROUPED_TYPE: + changed = node_select_grouped_type(snode, node_act); + break; + case NODE_SELECT_GROUPED_COLOR: + changed = node_select_grouped_color(snode, node_act); + break; + case NODE_SELECT_GROUPED_PREFIX: + changed = node_select_grouped_name(snode, node_act, false); + break; + case NODE_SELECT_GROUPED_SUFIX: + changed = node_select_grouped_name(snode, node_act, true); + break; + default: + break; + } + + if (changed) { + ED_node_sort(snode->edittree); + WM_event_add_notifier(C, NC_NODE | NA_SELECTED, nullptr); + return OPERATOR_FINISHED; + } + + return OPERATOR_CANCELLED; +} + +void NODE_OT_select_grouped(wmOperatorType *ot) +{ + static const EnumPropertyItem prop_select_grouped_types[] = { + {NODE_SELECT_GROUPED_TYPE, "TYPE", 0, "Type", ""}, + {NODE_SELECT_GROUPED_COLOR, "COLOR", 0, "Color", ""}, + {NODE_SELECT_GROUPED_PREFIX, "PREFIX", 0, "Prefix", ""}, + {NODE_SELECT_GROUPED_SUFIX, "SUFFIX", 0, "Suffix", ""}, + {0, nullptr, 0, nullptr, nullptr}, + }; + + /* identifiers */ + ot->name = "Select Grouped"; + ot->description = "Select nodes with similar properties"; + ot->idname = "NODE_OT_select_grouped"; + + /* api callbacks */ + ot->invoke = WM_menu_invoke; + ot->exec = node_select_grouped_exec; + ot->poll = ED_operator_node_active; + + /* flags */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; + + /* properties */ + RNA_def_boolean(ot->srna, + "extend", + false, + "Extend", + "Extend selection instead of deselecting everything first"); + ot->prop = RNA_def_enum(ot->srna, "type", prop_select_grouped_types, 0, "Type", ""); +} + +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Select (Cursor Pick) Operator + * \{ */ + +void node_select_single(bContext *C, bNode *node) +{ + Main *bmain = CTX_data_main(C); + SpaceNode *snode = CTX_wm_space_node(C); + const Object *ob = CTX_data_active_object(C); + const Scene *scene = CTX_data_scene(C); + const wmWindowManager *wm = CTX_wm_manager(C); + bool active_texture_changed = false; + bNode *tnode; + + for (tnode = (bNode *)snode->edittree->nodes.first; tnode; tnode = tnode->next) { + if (tnode != node) { + nodeSetSelected(tnode, false); + } + } + nodeSetSelected(node, true); + + ED_node_set_active(bmain, snode->edittree, node, &active_texture_changed); + ED_node_set_active_viewer_key(snode); + + ED_node_sort(snode->edittree); + if (active_texture_changed && has_workbench_in_texture_color(wm, scene, ob)) { + DEG_id_tag_update(&snode->edittree->id, ID_RECALC_COPY_ON_WRITE); + } + + WM_event_add_notifier(C, NC_NODE | NA_SELECTED, nullptr); +} + +static int node_mouse_select(bContext *C, + wmOperator *op, + const int mval[2], + bool wait_to_deselect_others) +{ + Main *bmain = CTX_data_main(C); + SpaceNode *snode = CTX_wm_space_node(C); + ARegion *region = CTX_wm_region(C); + const Object *ob = CTX_data_active_object(C); + const Scene *scene = CTX_data_scene(C); + const wmWindowManager *wm = CTX_wm_manager(C); + bNode *node, *tnode; + bNodeSocket *sock = nullptr; + bNodeSocket *tsock; + float cursor[2]; + int ret_value = OPERATOR_CANCELLED; + + const bool extend = RNA_boolean_get(op->ptr, "extend"); + /* always do socket_select when extending selection. */ + const bool socket_select = extend || RNA_boolean_get(op->ptr, "socket_select"); + const bool deselect_all = RNA_boolean_get(op->ptr, "deselect_all"); + + /* These cases are never modal. */ + if (extend || socket_select) { + wait_to_deselect_others = false; + } + + /* get mouse coordinates in view2d space */ + UI_view2d_region_to_view(®ion->v2d, mval[0], mval[1], &cursor[0], &cursor[1]); + + /* first do socket selection, these generally overlap with nodes. */ + if (socket_select) { + if (node_find_indicated_socket(snode, &node, &sock, cursor, SOCK_IN)) { + /* NOTE: SOCK_IN does not take into account the extend case... + * This feature is not really used anyway currently? */ + node_socket_toggle(node, sock, true); + ret_value = OPERATOR_FINISHED; + } + else if (node_find_indicated_socket(snode, &node, &sock, cursor, SOCK_OUT)) { + if (sock->flag & SELECT) { + if (extend) { + node_socket_deselect(node, sock, true); + } + else { + ret_value = OPERATOR_FINISHED; + } + } + else { + /* Only allow one selected output per node, for sensible linking. + * Allow selecting outputs from different nodes though, if extend is true. */ + if (node) { + for (tsock = (bNodeSocket *)node->outputs.first; tsock; tsock = tsock->next) { + if (tsock == sock) { + continue; + } + node_socket_deselect(node, tsock, true); + } + } + if (!extend) { + for (tnode = (bNode *)snode->edittree->nodes.first; tnode; tnode = tnode->next) { + if (tnode == node) { + continue; + } + for (tsock = (bNodeSocket *)tnode->outputs.first; tsock; tsock = tsock->next) { + node_socket_deselect(tnode, tsock, true); + } + } + } + node_socket_select(node, sock); + ret_value = OPERATOR_FINISHED; + } + } + } + + if (!sock) { + /* find the closest visible node */ + node = node_under_mouse_select(snode->edittree, (int)cursor[0], (int)cursor[1]); + + if (extend) { + if (node != nullptr) { + /* If node is selected but not active, we want to make it active, + * but not toggle (deselect) it. */ + if (!((node->flag & SELECT) && (node->flag & NODE_ACTIVE) == 0)) { + node_toggle(node); + } + ret_value = OPERATOR_FINISHED; + } + } + else if (deselect_all && node == nullptr) { + /* Rather than deselecting others, users may want to drag to box-select (drag from empty + * space) or tweak-translate an already selected item. If these cases may apply, delay + * deselection. */ + if (wait_to_deselect_others) { + ret_value = OPERATOR_RUNNING_MODAL; + } + else { + /* Deselect in empty space. */ + for (tnode = (bNode *)snode->edittree->nodes.first; tnode; tnode = tnode->next) { + nodeSetSelected(tnode, false); + } + ret_value = OPERATOR_FINISHED; + } + } + else if (node != nullptr) { + /* When clicking on an already selected node, we want to wait to deselect + * others and allow the user to start moving the node without that. */ + if (wait_to_deselect_others && (node->flag & SELECT)) { + ret_value = OPERATOR_RUNNING_MODAL; + } + else { + nodeSetSelected(node, true); + + for (tnode = (bNode *)snode->edittree->nodes.first; tnode; tnode = tnode->next) { + if (tnode != node) { + nodeSetSelected(tnode, false); + } + } + + ret_value = OPERATOR_FINISHED; + } + } + } + + /* update node order */ + if (ret_value != OPERATOR_CANCELLED) { + bool active_texture_changed = false; + if (node != nullptr && ret_value != OPERATOR_RUNNING_MODAL) { + ED_node_set_active(bmain, snode->edittree, node, &active_texture_changed); + } + ED_node_set_active_viewer_key(snode); + ED_node_sort(snode->edittree); + if (active_texture_changed && has_workbench_in_texture_color(wm, scene, ob)) { + DEG_id_tag_update(&snode->edittree->id, ID_RECALC_COPY_ON_WRITE); + } + + WM_event_add_notifier(C, NC_NODE | NA_SELECTED, nullptr); + } + + return ret_value; +} + +static int node_select_exec(bContext *C, wmOperator *op) +{ + const bool wait_to_deselect_others = RNA_boolean_get(op->ptr, "wait_to_deselect_others"); + + /* get settings from RNA properties for operator */ + int mval[2]; + mval[0] = RNA_int_get(op->ptr, "mouse_x"); + mval[1] = RNA_int_get(op->ptr, "mouse_y"); + + /* perform the select */ + const int ret_value = node_mouse_select(C, op, mval, wait_to_deselect_others); + + /* allow tweak event to work too */ + return ret_value | OPERATOR_PASS_THROUGH; +} + +void NODE_OT_select(wmOperatorType *ot) +{ + PropertyRNA *prop; + + /* identifiers */ + ot->name = "Select"; + ot->idname = "NODE_OT_select"; + ot->description = "Select the node under the cursor"; + + /* api callbacks */ + ot->exec = node_select_exec; + ot->invoke = WM_generic_select_invoke; + ot->modal = WM_generic_select_modal; + ot->poll = ED_operator_node_active; + + /* flags */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; + + /* properties */ + WM_operator_properties_generic_select(ot); + RNA_def_boolean(ot->srna, "extend", false, "Extend", ""); + RNA_def_boolean(ot->srna, "socket_select", false, "Socket Select", ""); + prop = RNA_def_boolean(ot->srna, + "deselect_all", + false, + "Deselect On Nothing", + "Deselect all when nothing under the cursor"); + RNA_def_property_flag(prop, PROP_SKIP_SAVE); +} + +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Box Select Operator + * \{ */ + +static int node_box_select_exec(bContext *C, wmOperator *op) +{ + SpaceNode *snode = CTX_wm_space_node(C); + ARegion *region = CTX_wm_region(C); + rctf rectf; + + WM_operator_properties_border_to_rctf(op, &rectf); + UI_view2d_region_to_view_rctf(®ion->v2d, &rectf, &rectf); + + const eSelectOp sel_op = (eSelectOp)RNA_enum_get(op->ptr, "mode"); + const bool select = (sel_op != SEL_OP_SUB); + if (SEL_OP_USE_PRE_DESELECT(sel_op)) { + ED_node_select_all(&snode->edittree->nodes, SEL_DESELECT); + } + + LISTBASE_FOREACH (bNode *, node, &snode->edittree->nodes) { + bool is_inside; + if (node->type == NODE_FRAME) { + is_inside = BLI_rctf_inside_rctf(&rectf, &node->totr); + } + else { + is_inside = BLI_rctf_isect(&rectf, &node->totr, nullptr); + } + + if (is_inside) { + nodeSetSelected(node, select); + } + } + + ED_node_sort(snode->edittree); + + WM_event_add_notifier(C, NC_NODE | NA_SELECTED, nullptr); + + return OPERATOR_FINISHED; +} + +static int node_box_select_invoke(bContext *C, wmOperator *op, const wmEvent *event) +{ + const bool tweak = RNA_boolean_get(op->ptr, "tweak"); + + if (tweak && is_event_over_node_or_socket(C, event)) { + return OPERATOR_CANCELLED | OPERATOR_PASS_THROUGH; + } + + return WM_gesture_box_invoke(C, op, event); +} + +void NODE_OT_select_box(wmOperatorType *ot) +{ + /* identifiers */ + ot->name = "Box Select"; + ot->idname = "NODE_OT_select_box"; + ot->description = "Use box selection to select nodes"; + + /* api callbacks */ + ot->invoke = node_box_select_invoke; + ot->exec = node_box_select_exec; + ot->modal = WM_gesture_box_modal; + ot->cancel = WM_gesture_box_cancel; + + ot->poll = ED_operator_node_active; + + /* flags */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; + + /* properties */ + RNA_def_boolean(ot->srna, + "tweak", + false, + "Tweak", + "Only activate when mouse is not over a node (useful for tweak gesture)"); + + WM_operator_properties_gesture_box(ot); + WM_operator_properties_select_operation_simple(ot); +} + +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Circle Select Operator + * \{ */ + +static int node_circleselect_exec(bContext *C, wmOperator *op) +{ + SpaceNode *snode = CTX_wm_space_node(C); + ARegion *region = CTX_wm_region(C); + bNode *node; + + int x, y, radius; + float offset[2]; + + float zoom = (float)(BLI_rcti_size_x(®ion->winrct)) / + (float)(BLI_rctf_size_x(®ion->v2d.cur)); + + const eSelectOp sel_op = ED_select_op_modal( + (eSelectOp)RNA_enum_get(op->ptr, "mode"), + WM_gesture_is_modal_first((const wmGesture *)op->customdata)); + const bool select = (sel_op != SEL_OP_SUB); + if (SEL_OP_USE_PRE_DESELECT(sel_op)) { + ED_node_select_all(&snode->edittree->nodes, SEL_DESELECT); + } + + /* get operator properties */ + x = RNA_int_get(op->ptr, "x"); + y = RNA_int_get(op->ptr, "y"); + radius = RNA_int_get(op->ptr, "radius"); + + UI_view2d_region_to_view(®ion->v2d, x, y, &offset[0], &offset[1]); + + for (node = (bNode *)snode->edittree->nodes.first; node; node = node->next) { + if (BLI_rctf_isect_circle(&node->totr, offset, radius / zoom)) { + nodeSetSelected(node, select); + } + } + + WM_event_add_notifier(C, NC_NODE | NA_SELECTED, nullptr); + + return OPERATOR_FINISHED; +} + +void NODE_OT_select_circle(wmOperatorType *ot) +{ + /* identifiers */ + ot->name = "Circle Select"; + ot->idname = "NODE_OT_select_circle"; + ot->description = "Use circle selection to select nodes"; + + /* api callbacks */ + ot->invoke = WM_gesture_circle_invoke; + ot->exec = node_circleselect_exec; + ot->modal = WM_gesture_circle_modal; + + ot->poll = ED_operator_node_active; + + /* flags */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; + + /* properties */ + WM_operator_properties_gesture_circle(ot); + WM_operator_properties_select_operation_simple(ot); +} + +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Lasso Select Operator + * \{ */ + +static int node_lasso_select_invoke(bContext *C, wmOperator *op, const wmEvent *event) +{ + const bool tweak = RNA_boolean_get(op->ptr, "tweak"); + + if (tweak && is_event_over_node_or_socket(C, event)) { + return OPERATOR_CANCELLED | OPERATOR_PASS_THROUGH; + } + + return WM_gesture_lasso_invoke(C, op, event); +} + +static bool do_lasso_select_node(bContext *C, + const int mcoords[][2], + const int mcoords_len, + eSelectOp sel_op) +{ + SpaceNode *snode = CTX_wm_space_node(C); + bNode *node; + + ARegion *region = CTX_wm_region(C); + + rcti rect; + bool changed = false; + + const bool select = (sel_op != SEL_OP_SUB); + if (SEL_OP_USE_PRE_DESELECT(sel_op)) { + ED_node_select_all(&snode->edittree->nodes, SEL_DESELECT); + changed = true; + } + + /* get rectangle from operator */ + BLI_lasso_boundbox(&rect, mcoords, mcoords_len); + + /* do actual selection */ + for (node = (bNode *)snode->edittree->nodes.first; node; node = node->next) { + + if (select && (node->flag & NODE_SELECT)) { + continue; + } + + int screen_co[2]; + const float cent[2] = {BLI_rctf_cent_x(&node->totr), BLI_rctf_cent_y(&node->totr)}; + + /* marker in screen coords */ + if (UI_view2d_view_to_region_clip( + ®ion->v2d, cent[0], cent[1], &screen_co[0], &screen_co[1]) && + BLI_rcti_isect_pt(&rect, screen_co[0], screen_co[1]) && + BLI_lasso_is_point_inside(mcoords, mcoords_len, screen_co[0], screen_co[1], INT_MAX)) { + nodeSetSelected(node, select); + changed = true; + } + } + + if (changed) { + WM_event_add_notifier(C, NC_NODE | NA_SELECTED, nullptr); + } + + return changed; +} + +static int node_lasso_select_exec(bContext *C, wmOperator *op) +{ + int mcoords_len; + const int(*mcoords)[2] = WM_gesture_lasso_path_to_array(C, op, &mcoords_len); + + if (mcoords) { + const eSelectOp sel_op = (eSelectOp)RNA_enum_get(op->ptr, "mode"); + + do_lasso_select_node(C, mcoords, mcoords_len, sel_op); + + MEM_freeN((void *)mcoords); + + return OPERATOR_FINISHED; + } + return OPERATOR_PASS_THROUGH; +} + +void NODE_OT_select_lasso(wmOperatorType *ot) +{ + /* identifiers */ + ot->name = "Lasso Select"; + ot->description = "Select nodes using lasso selection"; + ot->idname = "NODE_OT_select_lasso"; + + /* api callbacks */ + ot->invoke = node_lasso_select_invoke; + ot->modal = WM_gesture_lasso_modal; + ot->exec = node_lasso_select_exec; + ot->poll = ED_operator_node_active; + ot->cancel = WM_gesture_lasso_cancel; + + /* flags */ + ot->flag = OPTYPE_UNDO; + + /* properties */ + RNA_def_boolean(ot->srna, + "tweak", + false, + "Tweak", + "Only activate when mouse is not over a node (useful for tweak gesture)"); + + WM_operator_properties_gesture_lasso(ot); + WM_operator_properties_select_operation_simple(ot); +} + +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name (De)select All Operator + * \{ */ + +static int node_select_all_exec(bContext *C, wmOperator *op) +{ + SpaceNode *snode = CTX_wm_space_node(C); + ListBase *node_lb = &snode->edittree->nodes; + int action = RNA_enum_get(op->ptr, "action"); + + ED_node_select_all(node_lb, action); + + ED_node_sort(snode->edittree); + + WM_event_add_notifier(C, NC_NODE | NA_SELECTED, nullptr); + return OPERATOR_FINISHED; +} + +void NODE_OT_select_all(wmOperatorType *ot) +{ + /* identifiers */ + ot->name = "(De)select All"; + ot->description = "(De)select all nodes"; + ot->idname = "NODE_OT_select_all"; + + /* api callbacks */ + ot->exec = node_select_all_exec; + ot->poll = ED_operator_node_active; + + /* flags */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; + + WM_operator_properties_select_all(ot); +} + +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Select Linked To Operator + * \{ */ + +static int node_select_linked_to_exec(bContext *C, wmOperator *UNUSED(op)) +{ + SpaceNode *snode = CTX_wm_space_node(C); + bNodeLink *link; + bNode *node; + + for (node = (bNode *)snode->edittree->nodes.first; node; node = node->next) { + node->flag &= ~NODE_TEST; + } + + for (link = (bNodeLink *)snode->edittree->links.first; link; link = link->next) { + if (nodeLinkIsHidden(link)) { + continue; + } + if (link->fromnode && link->tonode && (link->fromnode->flag & NODE_SELECT)) { + link->tonode->flag |= NODE_TEST; + } + } + + for (node = (bNode *)snode->edittree->nodes.first; node; node = node->next) { + if (node->flag & NODE_TEST) { + nodeSetSelected(node, true); + } + } + + ED_node_sort(snode->edittree); + + WM_event_add_notifier(C, NC_NODE | NA_SELECTED, nullptr); + return OPERATOR_FINISHED; +} + +void NODE_OT_select_linked_to(wmOperatorType *ot) +{ + /* identifiers */ + ot->name = "Select Linked To"; + ot->description = "Select nodes linked to the selected ones"; + ot->idname = "NODE_OT_select_linked_to"; + + /* api callbacks */ + ot->exec = node_select_linked_to_exec; + ot->poll = ED_operator_node_active; + + /* flags */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; +} + +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Select Linked From Operator + * \{ */ + +static int node_select_linked_from_exec(bContext *C, wmOperator *UNUSED(op)) +{ + SpaceNode *snode = CTX_wm_space_node(C); + bNodeLink *link; + bNode *node; + + for (node = (bNode *)snode->edittree->nodes.first; node; node = node->next) { + node->flag &= ~NODE_TEST; + } + + for (link = (bNodeLink *)snode->edittree->links.first; link; link = link->next) { + if (nodeLinkIsHidden(link)) { + continue; + } + if (link->fromnode && link->tonode && (link->tonode->flag & NODE_SELECT)) { + link->fromnode->flag |= NODE_TEST; + } + } + + for (node = (bNode *)snode->edittree->nodes.first; node; node = node->next) { + if (node->flag & NODE_TEST) { + nodeSetSelected(node, true); + } + } + + ED_node_sort(snode->edittree); + + WM_event_add_notifier(C, NC_NODE | NA_SELECTED, nullptr); + return OPERATOR_FINISHED; +} + +void NODE_OT_select_linked_from(wmOperatorType *ot) +{ + /* identifiers */ + ot->name = "Select Linked From"; + ot->description = "Select nodes linked from the selected ones"; + ot->idname = "NODE_OT_select_linked_from"; + + /* api callbacks */ + ot->exec = node_select_linked_from_exec; + ot->poll = ED_operator_node_active; + + /* flags */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; +} + +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Select Same Type Step Operator + * \{ */ + +static int node_select_same_type_step_exec(bContext *C, wmOperator *op) +{ + SpaceNode *snode = CTX_wm_space_node(C); + ARegion *region = CTX_wm_region(C); + bNode **node_array; + bNode *active = nodeGetActive(snode->edittree); + int totnodes; + const bool revert = RNA_boolean_get(op->ptr, "prev"); + const bool same_type = true; + + ntreeGetDependencyList(snode->edittree, &node_array, &totnodes); + + if (totnodes > 1) { + int a; + + for (a = 0; a < totnodes; a++) { + if (node_array[a] == active) { + break; + } + } + + if (same_type) { + bNode *node = nullptr; + + while (node == nullptr) { + if (revert) { + a--; + } + else { + a++; + } + + if (a < 0 || a >= totnodes) { + break; + } + + node = node_array[a]; + + if (node->type == active->type) { + break; + } + node = nullptr; + } + if (node) { + active = node; + } + } + else { + if (revert) { + if (a == 0) { + active = node_array[totnodes - 1]; + } + else { + active = node_array[a - 1]; + } + } + else { + if (a == totnodes - 1) { + active = node_array[0]; + } + else { + active = node_array[a + 1]; + } + } + } + + node_select_single(C, active); + + /* is note outside view? */ + if (active->totr.xmax < region->v2d.cur.xmin || active->totr.xmin > region->v2d.cur.xmax || + active->totr.ymax < region->v2d.cur.ymin || active->totr.ymin > region->v2d.cur.ymax) { + const int smooth_viewtx = WM_operator_smooth_viewtx_get(op); + space_node_view_flag(C, snode, region, NODE_SELECT, smooth_viewtx); + } + } + + if (node_array) { + MEM_freeN(node_array); + } + + return OPERATOR_FINISHED; +} + +void NODE_OT_select_same_type_step(wmOperatorType *ot) +{ + /* identifiers */ + ot->name = "Activate Same Type Next/Prev"; + ot->description = "Activate and view same node type, step by step"; + ot->idname = "NODE_OT_select_same_type_step"; + + /* api callbacks */ + ot->exec = node_select_same_type_step_exec; + ot->poll = ED_operator_node_active; + + /* flags */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; + + RNA_def_boolean(ot->srna, "prev", false, "Previous", ""); +} + +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Find Node by Name Operator + * \{ */ + +static void node_find_create_label(const bNode *node, char *str, int maxlen) +{ + if (node->label[0]) { + BLI_snprintf(str, maxlen, "%s (%s)", node->name, node->label); + } + else { + BLI_strncpy(str, node->name, maxlen); + } +} + +/* generic search invoke */ +static void node_find_update_fn(const struct bContext *C, + void *UNUSED(arg), + const char *str, + uiSearchItems *items, + const bool UNUSED(is_first)) +{ + SpaceNode *snode = CTX_wm_space_node(C); + + StringSearch *search = BLI_string_search_new(); + + LISTBASE_FOREACH (bNode *, node, &snode->edittree->nodes) { + char name[256]; + node_find_create_label(node, name, ARRAY_SIZE(name)); + BLI_string_search_add(search, name, node); + } + + bNode **filtered_nodes; + int filtered_amount = BLI_string_search_query(search, str, (void ***)&filtered_nodes); + + for (int i = 0; i < filtered_amount; i++) { + bNode *node = filtered_nodes[i]; + char name[256]; + node_find_create_label(node, name, ARRAY_SIZE(name)); + if (!UI_search_item_add(items, name, node, ICON_NONE, 0, 0)) { + break; + } + } + + MEM_freeN(filtered_nodes); + BLI_string_search_free(search); +} + +static void node_find_exec_fn(struct bContext *C, void *UNUSED(arg1), void *arg2) +{ + SpaceNode *snode = CTX_wm_space_node(C); + bNode *active = (bNode *)arg2; + + if (active) { + ARegion *region = CTX_wm_region(C); + node_select_single(C, active); + + /* is note outside view? */ + if (active->totr.xmax < region->v2d.cur.xmin || active->totr.xmin > region->v2d.cur.xmax || + active->totr.ymax < region->v2d.cur.ymin || active->totr.ymin > region->v2d.cur.ymax) { + space_node_view_flag(C, snode, region, NODE_SELECT, U.smooth_viewtx); + } + } +} + +static uiBlock *node_find_menu(bContext *C, ARegion *region, void *arg_op) +{ + static char search[256] = ""; + uiBlock *block; + uiBut *but; + wmOperator *op = (wmOperator *)arg_op; + + block = UI_block_begin(C, region, "_popup", UI_EMBOSS); + UI_block_flag_enable(block, UI_BLOCK_LOOP | UI_BLOCK_MOVEMOUSE_QUIT | UI_BLOCK_SEARCH_MENU); + UI_block_theme_style_set(block, UI_BLOCK_THEME_STYLE_POPUP); + + but = uiDefSearchBut(block, + search, + 0, + ICON_VIEWZOOM, + sizeof(search), + 10, + 10, + UI_searchbox_size_x(), + UI_UNIT_Y, + 0, + 0, + ""); + UI_but_func_search_set( + but, nullptr, node_find_update_fn, op->type, false, nullptr, node_find_exec_fn, nullptr); + UI_but_flag_enable(but, UI_BUT_ACTIVATE_ON_INIT); + + /* fake button, it holds space for search items */ + uiDefBut(block, + UI_BTYPE_LABEL, + 0, + "", + 10, + 10 - UI_searchbox_size_y(), + UI_searchbox_size_x(), + UI_searchbox_size_y(), + nullptr, + 0, + 0, + 0, + 0, + nullptr); + + /* Move it downwards, mouse over button. */ + std::array<int, 2> bounds_offset = {0, -UI_UNIT_Y}; + UI_block_bounds_set_popup(block, 0.3f * U.widget_unit, bounds_offset.data()); + + return block; +} + +static int node_find_node_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event)) +{ + UI_popup_block_invoke(C, node_find_menu, op, nullptr); + return OPERATOR_CANCELLED; +} + +void NODE_OT_find_node(wmOperatorType *ot) +{ + /* identifiers */ + ot->name = "Find Node"; + ot->description = "Search for a node by name and focus and select it"; + ot->idname = "NODE_OT_find_node"; + + /* api callbacks */ + ot->invoke = node_find_node_invoke; + ot->poll = ED_operator_node_active; + + /* flags */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; + + RNA_def_boolean(ot->srna, "prev", false, "Previous", ""); +} + +/** \} */ |