Cleanup: Move remaning node editor files to C++

Differential Revision: https://developer.blender.org/D13200

1 files changed, 347 insertions, 0 deletions

diff --git a/source/blender/editors/space_node/node_intern.hh b/source/blender/editors/space_node/node_intern.hh
new file mode 100644
index 00000000000..cb2980b7db5
--- /dev/null
+++ b/source/blender/editors/space_node/node_intern.hh
@@ -0,0 +1,347 @@
+/*
+ * 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
+ */
+
+#pragma once
+
+#include "BKE_node.h"
+#include "UI_interface.h"
+#include "UI_view2d.h"
+
+#include "BLI_vector.hh"
+#include "UI_interface.hh"
+
+#include <stddef.h> /* for size_t */
+
+/* internal exports only */
+
+struct ARegion;
+struct ARegionType;
+struct Main;
+struct NodeInsertOfsData;
+struct View2D;
+struct bContext;
+struct bNode;
+struct bNodeLink;
+struct bNodeSocket;
+struct wmGizmoGroupType;
+struct wmKeyConfig;
+struct wmWindow;
+
+/* temp data to pass on to modal */
+typedef struct bNodeLinkDrag {
+  struct bNodeLinkDrag *next, *prev;
+
+  /* List of links dragged by the operator.
+   * NOTE: This is a list of LinkData structs on top of the actual bNodeLinks.
+   * This way the links can be added to the node tree while being stored in this list.
+   */
+  ListBase links;
+  bool from_multi_input_socket;
+  int in_out;
+
+  /** Temporarily stores the last picked link from multi-input socket operator. */
+  struct bNodeLink *last_picked_multi_input_socket_link;
+
+  /** Temporarily stores the last hovered socket for multi-input socket operator.
+   *  Store it to recalculate sorting after it is no longer hovered. */
+  struct bNode *last_node_hovered_while_dragging_a_link;
+
+  /* Data for edge panning */
+  View2DEdgePanData pan_data;
+} bNodeLinkDrag;
+
+typedef struct SpaceNode_Runtime {
+  float aspect;
+
+  /** Mouse position for drawing socket-less links and adding nodes. */
+  float cursor[2];
+
+  /** For auto compositing. */
+  bool recalc;
+
+  /** Temporary data for modal linking operator. */
+  struct ListBase linkdrag;
+
+  /* XXX hack for translate_attach op-macros to pass data from transform op to insert_offset op */
+  /** Temporary data for node insert offset (in UI called Auto-offset). */
+  struct NodeInsertOfsData *iofsd;
+} SpaceNode_Runtime;
+
+/* space_node.c */
+
+/* transform between View2Ds in the tree path */
+void space_node_group_offset(struct SpaceNode *snode, float *x, float *y);
+
+/* node_draw.cc */
+float node_socket_calculate_height(const bNodeSocket *socket);
+void node_link_calculate_multi_input_position(const float socket_x,
+                                              const float socket_y,
+                                              const int index,
+                                              const int total_inputs,
+                                              float r[2]);
+
+int node_get_colorid(struct bNode *node);
+int node_get_resize_cursor(int directions);
+void node_draw_shadow(const struct SpaceNode *snode,
+                      const struct bNode *node,
+                      float radius,
+                      float alpha);
+void node_draw_default(const struct bContext *C,
+                       struct ARegion *region,
+                       struct SpaceNode *snode,
+                       struct bNodeTree *ntree,
+                       struct bNode *node,
+                       bNodeInstanceKey key);
+void node_draw_sockets(const struct View2D *v2d,
+                       const struct bContext *C,
+                       struct bNodeTree *ntree,
+                       struct bNode *node,
+                       bool draw_outputs,
+                       bool select_all);
+void node_update_default(const struct bContext *C, struct bNodeTree *ntree, struct bNode *node);
+int node_select_area_default(struct bNode *node, int x, int y);
+int node_tweak_area_default(struct bNode *node, int x, int y);
+void node_socket_color_get(const struct bContext *C,
+                           struct bNodeTree *ntree,
+                           struct PointerRNA *node_ptr,
+                           struct bNodeSocket *sock,
+                           float r_color[4]);
+void node_update_nodetree(const struct bContext *C, struct bNodeTree *ntree);
+void node_draw_nodetree(const struct bContext *C,
+                        struct ARegion *region,
+                        struct SpaceNode *snode,
+                        struct bNodeTree *ntree,
+                        bNodeInstanceKey parent_key);
+void node_draw_space(const bContext *C, ARegion *region);
+
+void node_set_cursor(struct wmWindow *win, struct SpaceNode *snode, float cursor[2]);
+/* DPI scaled coords */
+void node_to_view(const struct bNode *node, float x, float y, float *rx, float *ry);
+void node_to_updated_rect(const struct bNode *node, rctf *r_rect);
+void node_from_view(const struct bNode *node, float x, float y, float *rx, float *ry);
+
+/* node_toolbar.c */
+void node_toolbar_register(struct ARegionType *art);
+
+/* node_ops.c */
+void node_operatortypes(void);
+void node_keymap(struct wmKeyConfig *keyconf);
+
+/* node_select.c */
+void node_deselect_all(struct SpaceNode *snode);
+void node_socket_select(struct bNode *node, struct bNodeSocket *sock);
+void node_socket_deselect(struct bNode *node, struct bNodeSocket *sock, const bool deselect_node);
+void node_deselect_all_input_sockets(struct SpaceNode *snode, const bool deselect_nodes);
+void node_deselect_all_output_sockets(struct SpaceNode *snode, const bool deselect_nodes);
+void node_select_single(struct bContext *C, struct bNode *node);
+
+void NODE_OT_select(struct wmOperatorType *ot);
+void NODE_OT_select_all(struct wmOperatorType *ot);
+void NODE_OT_select_linked_to(struct wmOperatorType *ot);
+void NODE_OT_select_linked_from(struct wmOperatorType *ot);
+void NODE_OT_select_box(struct wmOperatorType *ot);
+void NODE_OT_select_circle(struct wmOperatorType *ot);
+void NODE_OT_select_lasso(struct wmOperatorType *ot);
+void NODE_OT_select_grouped(struct wmOperatorType *ot);
+void NODE_OT_select_same_type_step(struct wmOperatorType *ot);
+void NODE_OT_find_node(struct wmOperatorType *ot);
+
+/* node_view.c */
+int space_node_view_flag(struct bContext *C,
+                         struct SpaceNode *snode,
+                         ARegion *region,
+                         const int node_flag,
+                         const int smooth_viewtx);
+
+void NODE_OT_view_all(struct wmOperatorType *ot);
+void NODE_OT_view_selected(struct wmOperatorType *ot);
+void NODE_OT_geometry_node_view_legacy(struct wmOperatorType *ot);
+
+void NODE_OT_backimage_move(struct wmOperatorType *ot);
+void NODE_OT_backimage_zoom(struct wmOperatorType *ot);
+void NODE_OT_backimage_fit(struct wmOperatorType *ot);
+void NODE_OT_backimage_sample(struct wmOperatorType *ot);
+
+/* drawnode.c */
+void nodelink_batch_start(struct SpaceNode *snode);
+void nodelink_batch_end(struct SpaceNode *snode);
+
+void node_draw_link(const struct bContext *C,
+                    struct View2D *v2d,
+                    struct SpaceNode *snode,
+                    struct bNodeLink *link);
+void node_draw_link_bezier(const struct bContext *C,
+                           const struct View2D *v2d,
+                           const struct SpaceNode *snode,
+                           const struct bNodeLink *link,
+                           int th_col1,
+                           int th_col2,
+                           int th_col3);
+bool node_link_bezier_points(const struct View2D *v2d,
+                             const struct SpaceNode *snode,
+                             const struct bNodeLink *link,
+                             float coord_array[][2],
+                             const int resol);
+bool node_link_bezier_handles(const struct View2D *v2d,
+                              const struct SpaceNode *snode,
+                              const struct bNodeLink *link,
+                              float vec[4][2]);
+void draw_nodespace_back_pix(const struct bContext *C,
+                             struct ARegion *region,
+                             struct SpaceNode *snode,
+                             bNodeInstanceKey parent_key);
+
+/* node_add.c */
+bNode *node_add_node(
+    const struct bContext *C, const char *idname, int type, float locx, float locy);
+void NODE_OT_add_reroute(struct wmOperatorType *ot);
+void NODE_OT_add_group(struct wmOperatorType *ot);
+void NODE_OT_add_object(struct wmOperatorType *ot);
+void NODE_OT_add_collection(struct wmOperatorType *ot);
+void NODE_OT_add_texture(struct wmOperatorType *ot);
+void NODE_OT_add_file(struct wmOperatorType *ot);
+void NODE_OT_add_mask(struct wmOperatorType *ot);
+void NODE_OT_new_node_tree(struct wmOperatorType *ot);
+
+/* node_group.c */
+const char *node_group_idname(struct bContext *C);
+void NODE_OT_group_make(struct wmOperatorType *ot);
+void NODE_OT_group_insert(struct wmOperatorType *ot);
+void NODE_OT_group_ungroup(struct wmOperatorType *ot);
+void NODE_OT_group_separate(struct wmOperatorType *ot);
+void NODE_OT_group_edit(struct wmOperatorType *ot);
+
+/* node_relationships.c */
+void sort_multi_input_socket_links(struct SpaceNode *snode,
+                                   struct bNode *node,
+                                   struct bNodeLink *drag_link,
+                                   float cursor[2]);
+bool node_connected_to_output(struct Main *bmain, struct bNodeTree *ntree, struct bNode *node);
+
+void NODE_OT_link(struct wmOperatorType *ot);
+void NODE_OT_link_make(struct wmOperatorType *ot);
+void NODE_OT_links_cut(struct wmOperatorType *ot);
+void NODE_OT_links_detach(struct wmOperatorType *ot);
+void NODE_OT_links_mute(struct wmOperatorType *ot);
+
+void NODE_OT_parent_set(struct wmOperatorType *ot);
+void NODE_OT_join(struct wmOperatorType *ot);
+void NODE_OT_attach(struct wmOperatorType *ot);
+void NODE_OT_detach(struct wmOperatorType *ot);
+
+void NODE_OT_link_viewer(struct wmOperatorType *ot);
+
+void NODE_OT_insert_offset(struct wmOperatorType *ot);
+
+/* node_edit.c */
+void snode_notify(struct bContext *C, struct SpaceNode *snode);
+void snode_dag_update(struct bContext *C, struct SpaceNode *snode);
+void snode_set_context(const struct bContext *C);
+
+void snode_update(struct SpaceNode *snode, struct bNode *node);
+bool composite_node_active(struct bContext *C);
+bool composite_node_editable(struct bContext *C);
+
+bool node_has_hidden_sockets(struct bNode *node);
+void node_set_hidden_sockets(struct SpaceNode *snode, bNode *node, int set);
+int node_render_changed_exec(bContext *, struct wmOperator *);
+int node_find_indicated_socket(struct SpaceNode *snode,
+                               struct bNode **nodep,
+                               struct bNodeSocket **sockp,
+                               const float cursor[2],
+                               int in_out);
+float node_link_dim_factor(const struct View2D *v2d, const struct bNodeLink *link);
+bool node_link_is_hidden_or_dimmed(const struct View2D *v2d, const struct bNodeLink *link);
+
+void NODE_OT_duplicate(struct wmOperatorType *ot);
+void NODE_OT_delete(struct wmOperatorType *ot);
+void NODE_OT_delete_reconnect(struct wmOperatorType *ot);
+void NODE_OT_resize(struct wmOperatorType *ot);
+
+void NODE_OT_mute_toggle(struct wmOperatorType *ot);
+void NODE_OT_hide_toggle(struct wmOperatorType *ot);
+void NODE_OT_hide_socket_toggle(struct wmOperatorType *ot);
+void NODE_OT_preview_toggle(struct wmOperatorType *ot);
+void NODE_OT_options_toggle(struct wmOperatorType *ot);
+void NODE_OT_node_copy_color(struct wmOperatorType *ot);
+
+void NODE_OT_read_viewlayers(struct wmOperatorType *ot);
+void NODE_OT_render_changed(struct wmOperatorType *ot);
+
+void NODE_OT_output_file_add_socket(struct wmOperatorType *ot);
+void NODE_OT_output_file_remove_active_socket(struct wmOperatorType *ot);
+void NODE_OT_output_file_move_active_socket(struct wmOperatorType *ot);
+
+void NODE_OT_switch_view_update(struct wmOperatorType *ot);
+
+/* NOTE: clipboard_cut is a simple macro of copy + delete. */
+void NODE_OT_clipboard_copy(struct wmOperatorType *ot);
+void NODE_OT_clipboard_paste(struct wmOperatorType *ot);
+
+void NODE_OT_tree_socket_add(struct wmOperatorType *ot);
+void NODE_OT_tree_socket_remove(struct wmOperatorType *ot);
+void NODE_OT_tree_socket_change_type(struct wmOperatorType *ot);
+void NODE_OT_tree_socket_move(struct wmOperatorType *ot);
+
+void NODE_OT_shader_script_update(struct wmOperatorType *ot);
+
+void NODE_OT_viewer_border(struct wmOperatorType *ot);
+void NODE_OT_clear_viewer_border(struct wmOperatorType *ot);
+
+/* node_widgets.c */
+void NODE_GGT_backdrop_transform(struct wmGizmoGroupType *gzgt);
+void NODE_GGT_backdrop_crop(struct wmGizmoGroupType *gzgt);
+void NODE_GGT_backdrop_sun_beams(struct wmGizmoGroupType *gzgt);
+void NODE_GGT_backdrop_corner_pin(struct wmGizmoGroupType *gzgt);
+
+void NODE_OT_cryptomatte_layer_add(struct wmOperatorType *ot);
+void NODE_OT_cryptomatte_layer_remove(struct wmOperatorType *ot);
+
+/* node_geometry_attribute_search.cc */
+void node_geometry_add_attribute_search_button(const struct bContext *C,
+                                               const struct bNodeTree *node_tree,
+                                               const struct bNode *node,
+                                               struct PointerRNA *socket_ptr,
+                                               struct uiLayout *layout);
+
+extern const char *node_context_dir[];
+
+/* XXXXXX */
+
+/* Nodes draw without dpi - the view zoom is flexible. */
+#define HIDDEN_RAD (0.75f * U.widget_unit)
+#define BASIS_RAD (0.2f * U.widget_unit)
+#define NODE_DYS (U.widget_unit / 2)
+#define NODE_DY U.widget_unit
+#define NODE_SOCKDY (0.1f * U.widget_unit)
+#define NODE_WIDTH(node) (node->width * UI_DPI_FAC)
+#define NODE_HEIGHT(node) (node->height * UI_DPI_FAC)
+#define NODE_MARGIN_X (1.2f * U.widget_unit)
+#define NODE_SOCKSIZE (0.25f * U.widget_unit)
+#define NODE_MULTI_INPUT_LINK_GAP (0.25f * U.widget_unit)
+#define NODE_RESIZE_MARGIN (0.20f * U.widget_unit)
+#define NODE_LINK_RESOL 12
+
+namespace blender::ed::space_node {
+Vector<ui::ContextPathItem> context_path_for_space_node(const bContext &C);
+}