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blender-archive/source/blender/editors/space_node/node_intern.h
Ton Roosendaal dc8832ac92 Bugfix #35920 
Adding a new node in Node Editor failed for "High DPI" (Only Mac retina now).

- Py script for adding nodes was doing dpi magic, which it shouldn't. It has 
  been replaced with a (temporary) API call to set the correct cursor location.
  (Thanks to Lukas T for helping here)

- The SpaceNode->cursor[2] property now is *only* storing the coordinate
  in "adding new node space". Use of this has been removed from the code where
  possible, with as only exception the code to draw noodles while adding them.

Special coder note: Nodes should respect the DPI value, and draw larger with
larger buttons if you increase this size. The hack here is that this can only
work nice if also the node positions are scaled accordingly.

A better fix could be to check on scaling the node view itself for it. That
then would also remove this Python API call that was added in this commit.
However, that again might fight with how buttons layout code works now...
needs some careful checking.
2013-09-05 13:03:03 +00:00

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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) 2008 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/space_node/node_intern.h
* \ingroup spnode
*/
#ifndef __NODE_INTERN_H__
#define __NODE_INTERN_H__
#include <stddef.h> /* for size_t */
#include "BKE_node.h"
#include "UI_interface.h"
/* internal exports only */
struct ARegion;
struct ARegionType;
struct View2D;
struct bContext;
struct wmWindow;
struct wmWindowManager;
struct wmEvent;
struct bNode;
struct bNodeSocket;
struct bNodeLink;
struct Main;
struct wmKeyConfig;
/* 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;
int in_out;
} bNodeLinkDrag;
/* space_node.c */
ARegion *node_has_buttons_region(ScrArea *sa);
ARegion *node_has_tools_region(ScrArea *sa);
void snode_group_offset(struct SpaceNode *snode, float *x, float *y); /* transform between View2Ds in the tree path */
/* node_draw.c */
int node_get_colorid(struct bNode *node);
void node_socket_circle_draw(const struct bContext *C, struct bNodeTree *ntree, struct bNode *node,
struct bNodeSocket *sock, float size, int highlight);
int node_get_resize_cursor(int directions);
void node_draw_shadow(struct SpaceNode *snode, struct bNode *node, float radius, float alpha);
void node_draw_default(const struct bContext *C, struct ARegion *ar, struct SpaceNode *snode,
struct bNodeTree *ntree, struct bNode *node, bNodeInstanceKey key);
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_update_nodetree(const struct bContext *C, struct bNodeTree *ntree);
void node_draw_nodetree(const struct bContext *C, struct ARegion *ar, struct SpaceNode *snode,
struct bNodeTree *ntree, bNodeInstanceKey parent_key);
void drawnodespace(const bContext *C, ARegion *ar);
void node_set_cursor(struct wmWindow *win, struct SpaceNode *snode, float cursor[2]);
/* DPI scaled coords */
void node_to_view(struct bNode *node, float x, float y, float *rx, float *ry);
void node_from_view(struct bNode *node, float x, float y, float *rx, float *ry);
/* node_buttons.c */
void node_buttons_register(struct ARegionType *art);
void NODE_OT_properties(struct wmOperatorType *ot);
/* node_toolbar.c */
void node_toolbar_register(struct ARegionType *art);
void NODE_OT_toolbar(struct wmOperatorType *ot);
/* 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, int deselect_node);
void node_deselect_all_input_sockets(struct SpaceNode *snode, int deselect_nodes);
void node_deselect_all_output_sockets(struct SpaceNode *snode, int deselect_nodes);
int node_select_same_type(struct SpaceNode *snode);
int node_select_same_type_np(struct SpaceNode *snode, int dir);
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_border(struct wmOperatorType *ot);
void NODE_OT_select_lasso(struct wmOperatorType *ot);
void NODE_OT_select_same_type(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, SpaceNode *snode, ARegion *ar, const int node_flag);
void NODE_OT_view_all(struct wmOperatorType *ot);
void NODE_OT_view_selected(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 node_draw_link(struct View2D *v2d, struct SpaceNode *snode, struct bNodeLink *link);
void node_draw_link_bezier(struct View2D *v2d, struct SpaceNode *snode, struct bNodeLink *link, int th_col1, int do_shaded, int th_col2, int do_triple, int th_col3);
int node_link_bezier_points(struct View2D *v2d, struct SpaceNode *snode, struct bNodeLink *link, float coord_array[][2], int resol);
// void node_draw_link_straight(View2D *v2d, SpaceNode *snode, bNodeLink *link, int th_col1, int do_shaded, int th_col2, int do_triple, int th_col3 );
void draw_nodespace_back_pix(const struct bContext *C, struct ARegion *ar, 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_file(struct wmOperatorType *ot);
void NODE_OT_add_mask(struct wmOperatorType *ot);
void NODE_OT_new_node_tree(struct wmOperatorType *ot);
/* node_group.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 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_parent_set(struct wmOperatorType *ot);
void NODE_OT_parent_clear(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_show_cyclic_dependencies(struct wmOperatorType *ot);
void NODE_OT_link_viewer(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);
int composite_node_active(struct bContext *C);
int composite_node_editable(struct bContext *C);
int node_has_hidden_sockets(bNode *node);
void node_set_hidden_sockets(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, float cursor[2], int in_out);
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_fullsamplelayers(struct wmOperatorType *ot);
void NODE_OT_read_renderlayers(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);
/* 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_move(struct wmOperatorType *ot);
void NODE_OT_shader_script_update(struct wmOperatorType *ot);
void NODE_OT_viewer_border(struct wmOperatorType *ot);
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 (0.4f * U.widget_unit)
#define NODE_DYS (U.widget_unit / 2)
#define NODE_DY U.widget_unit
#define NODE_SOCKDY (0.08f * U.widget_unit)
#define NODE_WIDTH(node) (node->width * UI_DPI_FAC)
#define NODE_MARGIN_X (0.75f * U.widget_unit)
#define NODE_SOCKSIZE (0.25f * U.widget_unit)
#define NODE_LINK_RESOL 12
// XXX button events (butspace)
enum eNodeSpace_ButEvents {
B_NOP = 0,
B_REDR = 1,
B_NODE_USEMAT,
B_NODE_USESCENE,
B_NODE_USETEX,
B_TEXBROWSE,
B_TEXALONE,
B_TEXLOCAL,
B_TEXDELETE,
B_TEXPRV,
B_AUTOTEXNAME,
B_KEEPDATA,
B_NODE_EXEC,
B_MATPRV,
B_NODE_LOADIMAGE,
B_NODE_SETIMAGE,
};
#endif /* __NODE_INTERN_H__ */
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