Mike-Solar
cf459d7e4c
- New MulticamPanel: rows/cols angle grid with the current angle highlighted, click-to-switch, 1-9 switch-and-split and cmd-1-9 switch-only shortcuts (focused-panel routed), deferred switch queue during playback. - src/oakui/multicam.rs: clip->connected-sequence resolution, multicam state detection (selection then playhead fallbacks), per-angle frame requests rendered through the process backend into an LRU cache. - Timeline clip context menu Multi-Cam checkable item wired to oaktimeline::multicam enable/disable with undo. - Engine trait extended (real + mock); mock drives the real command path with synthesized angle frames.
268 lines
8.6 KiB
C
268 lines
8.6 KiB
C
/***
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Oak Video Editor - Non-Linear Video Editor
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Copyright (C) 2026 Oak Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef OAK_EDITOR_NODE_PROJECT_H
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#define OAK_EDITOR_NODE_PROJECT_H
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#include <stdint.h>
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#include "node/error.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @file project.h
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* @brief C ABI for olive::Project (oaknode)
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*
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* An OakNodeProject owns its whole node graph: nodes added with
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* oaknode_project_add_node() (directly, or indirectly through the folder and
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* footage families) are deleted when the project's last reference is
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* released. Handles to nodes, folders and footage obtained from a project
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* are borrowed views: releasing them only releases the handle itself.
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*
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* Conventions (shared by all oaknode C API families):
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* - Return codes: 0 (OAKNODE_OK) on success, a negative OAKNODE_E_* code on
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* failure.
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* - String getters are two-stage: pass buf == NULL (or a short buffer) to
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* query the required size; the return value is the required buffer size in
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* bytes INCLUDING the terminating NUL. The output is NUL-terminated
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* whenever buf_size > 0.
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* - Empty handles (ctx == NULL) yield OAKNODE_E_INVALID (or a no-op for
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* free()).
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* - Disk save/load of project files is NOT part of this layer; it belongs to
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* oakstorage (milestone M10).
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*/
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/**
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* @brief Reference-counted handle to a project (olive::Project).
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*
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* Semantics are shared_ptr-like: oaknode_project_init() returns a handle
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* whose underlying object has reference count 1, addref(ctx) takes another
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* reference, and release(ctx) (or oaknode_project_free()) drops one; the
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* project and every node it owns are destroyed when the count reaches zero.
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*/
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typedef struct OakNodeProject {
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void *ctx; /**< Opaque pointer to the reference-counted object. */
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void (*addref)(void *ctx); /**< Atomically increments the count. */
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void (*release)(void *ctx); /**< Decrements the count, destroys at 0. */
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uint32_t abi_version; /**< OAKNODE_ABI_VERSION. */
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} OakNodeProject;
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/**
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* @brief Node handle (defined by the node family; forward-declared
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* here so the headers can be included in any order).
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*/
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typedef struct OakNodeNode OakNodeNode;
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/**
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* @brief Folder handle (defined in node/folder.h; forward-declared
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* here so the headers can be included in any order). Handles obtained from
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* a project are borrowed from it.
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*/
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typedef struct OakNodeFolder OakNodeFolder;
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/**
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* @brief Create an empty project shell.
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*
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* The project has no root folder until oaknode_project_initialize() is
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* called (mirrors Project::initialize()).
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*
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* @return Project handle with reference count 1 (release with
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* oaknode_project_free()); ctx is NULL on allocation failure.
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*/
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OakNodeProject oaknode_project_init(void);
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/**
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* @brief Release one reference to a project handle.
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*
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* Destroys the project and every node it owns when the count reaches zero.
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* NULL handle or NULL ctx is a no-op; clears `project->ctx` after releasing.
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*/
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void oaknode_project_free(OakNodeProject *project);
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/**
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* @brief Initialize the project: create the root folder (Project::initialize()).
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*
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* @return OAKNODE_OK, or OAKNODE_E_STATE if already initialized.
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*/
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int oaknode_project_initialize(OakNodeProject project);
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/**
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* @brief Destructively destroy all nodes in the graph (Project::clear()).
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*
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* The project shell stays usable; oaknode_project_initialize() may be called
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* again afterwards.
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*
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* @return OAKNODE_OK or a negative OAKNODE_E_* error code.
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*/
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int oaknode_project_clear(OakNodeProject project);
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/**
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* @brief Borrowed handle of the project's root folder (Project::root()).
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*
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* The returned handle only releases the handle itself; the project owns the
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* folder. Empty handle (ctx == NULL) if the project has not been
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* initialized.
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*/
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OakNodeFolder oaknode_project_root(OakNodeProject project);
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/**
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* @brief Project display name (Project::name(): the filename's base name, or
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* "(untitled)"). Two-stage string getter.
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*
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* @return Required buffer size in bytes including the NUL, or a negative
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* OAKNODE_E_* error code.
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*/
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int oaknode_project_name(OakNodeProject project, char *buf, int buf_size);
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/**
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* @brief Full path the project was saved as, or "" if untitled
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* (Project::filename()). Two-stage string getter.
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*/
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int oaknode_project_filename(OakNodeProject project, char *buf,
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int buf_size);
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/**
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* @brief Display name safe for window titles (Project::pretty_filename()).
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* Two-stage string getter.
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*/
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int oaknode_project_pretty_filename(OakNodeProject project, char *buf,
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int buf_size);
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/**
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* @brief Set the project's filename (Project::set_filename()).
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*
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* @return OAKNODE_OK or a negative OAKNODE_E_* error code.
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*/
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int oaknode_project_set_filename(OakNodeProject project, const char *filename);
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/**
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* @brief 1 if the project has unsaved changes, 0 otherwise
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* (Project::is_modified()). Negative OAKNODE_E_* code on an empty handle.
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*/
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int oaknode_project_is_modified(OakNodeProject project);
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/**
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* @brief Set the modified flag (Project::set_modified()).
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*
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* @return OAKNODE_OK or a negative OAKNODE_E_* error code.
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*/
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int oaknode_project_set_modified(OakNodeProject project, int modified);
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/**
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* @brief 1 if the project is new (untitled and unmodified, Project::is_new()).
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* Negative OAKNODE_E_* code on an empty handle.
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*/
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int oaknode_project_is_new(OakNodeProject project);
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/**
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* @brief Effective cache directory (Project::cache_path(), honoring the cache
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* location setting). Two-stage string getter.
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*/
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int oaknode_project_cache_path(OakNodeProject project, char *buf,
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int buf_size);
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/**
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* @brief Copy all project settings (Project::copy_settings()).
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*/
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int oaknode_project_copy_settings(OakNodeProject dst,
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OakNodeProject src);
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/**
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* @brief Cache location setting enum value
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* (Project::get_cache_location_setting(): 0 = default location,
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* 1 = alongside project, 2 = custom path). Negative OAKNODE_E_* code on an
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* empty handle.
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*/
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int oaknode_project_get_cache_location_setting(OakNodeProject project);
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/**
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* @brief Set the cache location setting (0/1/2, see
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* oaknode_project_get_cache_location_setting()).
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*
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* @return OAKNODE_OK or a negative OAKNODE_E_* error code.
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*/
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int oaknode_project_set_cache_location_setting(OakNodeProject project,
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int setting);
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/**
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* @brief Custom cache directory, or "" when none is set
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* (Project::get_custom_cache_path()). Two-stage string getter.
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*/
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int oaknode_project_get_custom_cache_path(OakNodeProject project,
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char *buf, int buf_size);
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/**
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* @brief Set a custom cache directory (Project::set_custom_cache_path()).
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* NULL clears it.
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*
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* @return OAKNODE_OK or a negative OAKNODE_E_* error code.
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*/
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int oaknode_project_set_custom_cache_path(OakNodeProject project,
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const char *path);
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/**
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* @brief Project UUID string (Project::get_uuid()). Two-stage string getter.
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*/
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int oaknode_project_get_uuid(OakNodeProject project, char *buf,
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int buf_size);
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/**
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* @brief Add a node to the graph; the graph assumes the node's lifetime
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* (Project::add_node()).
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*
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* After a successful call the graph owns the node: releasing `node` only
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* releases the handle itself.
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*
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* @return OAKNODE_OK or a negative OAKNODE_E_* error code.
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*/
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int oaknode_project_add_node(OakNodeProject project, OakNodeNode node);
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/**
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* @brief Detach a node from the graph without deleting it
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* (Project::remove_node()).
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*
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* @return OAKNODE_OK, OAKNODE_E_NOT_FOUND if the node is not in the graph, or
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* another negative OAKNODE_E_* error code.
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*/
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int oaknode_project_remove_node(OakNodeProject project, OakNodeNode node);
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/**
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* @brief Number of nodes belonging to the graph (Project::nodes().size()).
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* Negative OAKNODE_E_* code on an empty handle.
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*/
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int oaknode_project_node_count(OakNodeProject project);
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/**
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* @brief Borrowed handle of the graph node at `index`.
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*
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* The returned handle only releases the handle itself. Empty handle
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* (ctx == NULL) when out of range.
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*/
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OakNodeNode oaknode_project_node_at(OakNodeProject project, int index);
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#ifdef __cplusplus
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}
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#endif
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#endif //OAK_EDITOR_NODE_PROJECT_H
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