| 1 | //! One place starts file dialogs and collects the result. |
| 2 | //! |
| 3 | //! The native picker runs on a dedicated request thread; `poll` never waits. |
| 4 | //! [`DialogPoll::Pending`] keeps the editor repainting until an answer arrives. |
| 5 | //! Scripted backends exercise the same request/result boundary in tests. |
| 6 | |
| 7 | use std::path::{Path, PathBuf}; |
| 8 | |
| 9 | #[derive(Debug, Clone, PartialEq, Eq)] |
| 10 | pub enum DialogPurpose { |
| 11 | NewProject, |
| 12 | LoadProject, |
| 13 | Body(crate::session::Sex), |
| 14 | EquipmentModel(usize), |
| 15 | EquipmentShiny(usize, usize), |
| 16 | ImportEquipment, |
| 17 | } |
| 18 | |
| 19 | #[derive(Debug, Clone, PartialEq, Eq)] |
| 20 | pub enum DialogPoll { |
| 21 | Idle, |
| 22 | Pending, |
| 23 | Ready { |
| 24 | purpose: DialogPurpose, |
| 25 | path: Option<PathBuf>, |
| 26 | }, |
| 27 | } |
| 28 | |
| 29 | pub trait Dialogs { |
| 30 | fn start(&mut self, purpose: DialogPurpose); |
| 31 | fn poll(&mut self) -> DialogPoll; |
| 32 | } |
| 33 | |
| 34 | /// Remembers one answer per request. Tests use this instead of a window. |
| 35 | #[derive(Debug, Default)] |
| 36 | pub struct ScriptedDialogs { |
| 37 | queued: Option<DialogPurpose>, |
| 38 | answers: Vec<Option<PathBuf>>, |
| 39 | } |
| 40 | |
| 41 | impl ScriptedDialogs { |
| 42 | pub fn push(&mut self, path: Option<PathBuf>) { |
| 43 | self.answers.push(path); |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | impl Dialogs for ScriptedDialogs { |
| 48 | fn start(&mut self, purpose: DialogPurpose) { |
| 49 | self.queued = Some(purpose); |
| 50 | } |
| 51 | |
| 52 | fn poll(&mut self) -> DialogPoll { |
| 53 | let Some(purpose) = self.queued.take() else { |
| 54 | return DialogPoll::Idle; |
| 55 | }; |
| 56 | let path = if self.answers.is_empty() { |
| 57 | None |
| 58 | } else { |
| 59 | self.answers.remove(0) |
| 60 | }; |
| 61 | DialogPoll::Ready { purpose, path } |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | pub struct SystemDialogs { |
| 66 | queued: Option<DialogPurpose>, |
| 67 | pending: Option<std::sync::mpsc::Receiver<(DialogPurpose, Option<PathBuf>)>>, |
| 68 | } |
| 69 | |
| 70 | impl SystemDialogs { |
| 71 | pub fn new() -> Self { |
| 72 | Self { |
| 73 | queued: None, |
| 74 | pending: None, |
| 75 | } |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | impl Default for SystemDialogs { |
| 80 | fn default() -> Self { |
| 81 | Self::new() |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | impl Dialogs for SystemDialogs { |
| 86 | fn start(&mut self, purpose: DialogPurpose) { |
| 87 | if self.pending.is_none() && self.queued.is_none() { |
| 88 | self.queued = Some(purpose); |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | fn poll(&mut self) -> DialogPoll { |
| 93 | if let Some(purpose) = self.queued.take() { |
| 94 | let (tx, rx) = std::sync::mpsc::channel(); |
| 95 | std::thread::spawn(move || { |
| 96 | let path = native_pick(&purpose); |
| 97 | let _ = tx.send((purpose, path)); |
| 98 | }); |
| 99 | self.pending = Some(rx); |
| 100 | } |
| 101 | if let Some(rx) = &self.pending { |
| 102 | match rx.try_recv() { |
| 103 | Ok((purpose, path)) => { |
| 104 | self.pending = None; |
| 105 | DialogPoll::Ready { purpose, path } |
| 106 | } |
| 107 | Err(std::sync::mpsc::TryRecvError::Empty) => DialogPoll::Pending, |
| 108 | Err(_) => { |
| 109 | self.pending = None; |
| 110 | DialogPoll::Idle |
| 111 | } |
| 112 | } |
| 113 | } else { |
| 114 | DialogPoll::Idle |
| 115 | } |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | fn native_pick(purpose: &DialogPurpose) -> Option<PathBuf> { |
| 120 | let dialog = rfd::FileDialog::new(); |
| 121 | match purpose { |
| 122 | DialogPurpose::NewProject => dialog |
| 123 | .set_title("Map voor het nieuwe project") |
| 124 | .pick_folder(), |
| 125 | DialogPurpose::LoadProject => dialog |
| 126 | .set_title("Project laden") |
| 127 | .add_filter("Paperdoll-project", &["ppd"]) |
| 128 | .pick_file(), |
| 129 | DialogPurpose::Body(_) => dialog |
| 130 | .set_title("Lichaamsmodel") |
| 131 | .add_filter("Model", &["glb", "gltf", "fbx", "obj"]) |
| 132 | .pick_file(), |
| 133 | DialogPurpose::EquipmentModel(_) => dialog |
| 134 | .set_title("Equipment toevoegen") |
| 135 | .add_filter("Model", &["obj", "fbx", "glb", "gltf"]) |
| 136 | .add_filter("glTF/GLB", &["glb", "gltf"]) |
| 137 | .add_filter("Wavefront OBJ", &["obj"]) |
| 138 | .add_filter("FBX", &["fbx"]) |
| 139 | .pick_file(), |
| 140 | DialogPurpose::EquipmentShiny(_, _) => dialog |
| 141 | .set_title("Shinymap") |
| 142 | .add_filter("PNG", &["png"]) |
| 143 | .pick_file(), |
| 144 | DialogPurpose::ImportEquipment => dialog |
| 145 | .set_title("Equipment-preset importeren") |
| 146 | .add_filter("Paperdoll equipment", &["ppe"]) |
| 147 | .pick_file(), |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | pub fn load_candidate(path: &Path) -> PathBuf { |
| 152 | if path.is_dir() { |
| 153 | path.join(crate::project::MANIFEST_NAME) |
| 154 | } else { |
| 155 | path.to_path_buf() |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | #[cfg(test)] |
| 160 | mod tests { |
| 161 | use super::*; |
| 162 | |
| 163 | #[test] |
| 164 | fn scripted_dialogs_return_the_queued_path_from_poll() { |
| 165 | let mut dialogs = ScriptedDialogs::default(); |
| 166 | dialogs.push(Some(PathBuf::from("/tmp/project"))); |
| 167 | assert!(matches!(dialogs.poll(), DialogPoll::Idle)); |
| 168 | dialogs.start(DialogPurpose::NewProject); |
| 169 | match dialogs.poll() { |
| 170 | DialogPoll::Ready { purpose, path } => { |
| 171 | assert_eq!(purpose, DialogPurpose::NewProject); |
| 172 | assert_eq!(path, Some(PathBuf::from("/tmp/project"))); |
| 173 | } |
| 174 | other => panic!("expected a ready dialog, got {other:?}"), |
| 175 | } |
| 176 | } |
| 177 | } |
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