feat: keybindings initial implementation

src/app/keybind.rs

@@ -0,0 +1,114 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
+use crate::Message;
+use crate::app::{ContextPage, Subscription};
+use cosmic::iced::Event;
+use cosmic::iced::keyboard;
+use cosmic::iced::keyboard::Key;
+use cosmic::iced::keyboard::key::Named;
+
+//TODO: HashMap for reconfigurable ones
+
+/// Keybinding are currently hardcoded as follows:
+///
+/// | Character | Binding |
+/// |-----------|---------|
+/// | F1 |          => about |
+/// | Enter |       => take a picture or start/stop recording |
+/// | a |           => toggles auto focus |
+/// | c |           => toggles color picker |
+/// | e |           => toggles exposure picker |
+/// | f |           => toggles flash |
+/// | g |           => opens gallery |
+/// | n |           => next mode |
+/// | m |           => toggle audio recording or mute/unmute |
+/// | p |           => toggle motor picker |
+/// | q |           => toggle QR detection |
+/// | r |           => toggle save burst RAW |
+/// | s |           => switches camera |
+/// | t |           => toggles timelapse |
+/// | u |           => toggles theatre UI |
+/// | v |           => toggles virtual camera |
+/// |   |           => toggles play/pause |
+/// | Ctrl + a |    => cycles aspect ratio |
+/// | Ctrl + f |    => toggles format picker |
+/// | Ctrl + q |    => currently noop //TODO: close app |
+/// | Ctrl + r |    => reset settings |
+/// | Ctrl + t |    => toggles theatre mode |
+/// | Ctrl + + |    => zoom in |
+/// | Ctrl + - |    => zoom out |
+/// | Ctrl + 0 |    => reset zoom |
+/// | Ctrl + , |    => opens/closes settings |
+/// | Ctrl + Enter |=> start recording after delay |
+///
+/// **Returns** a subscription to key events mapped similarly as GNOME Camera's for now
+pub fn key_subscription() -> Subscription<Message> {
+    fn event_to_functionality(
+        event: cosmic::iced::Event,
+        _status: cosmic::iced::event::Status,
+        _window: cosmic::iced::window::Id,
+    ) -> Option<Message> {
+        let Event::Keyboard(keyboard::Event::KeyPressed { key, modifiers, .. }) = event else {
+            return None;
+        };
+
+        match &key {
+            Key::Named(Named::F1)
+                if !modifiers.control() && !modifiers.logo() && !modifiers.alt() =>
+            {
+                Some(Message::ToggleContextPage(ContextPage::About))
+            }
+
+            // TODO: couldn't capture mode, need to think about it
+            Key::Named(Named::Enter)
+                if !modifiers.control() && !modifiers.logo() && !modifiers.alt() =>
+            {
+                Some(Message::Capture)
+            }
+            Key::Named(Named::Enter)
+                if modifiers.control() && !modifiers.logo() && !modifiers.alt() =>
+            {
+                Some(Message::StartRecordingAfterDelay)
+            }
+
+            Key::Character(c) if modifiers.control() && !modifiers.logo() && !modifiers.alt() => {
+                match c.as_str() {
+                    "a" => Some(Message::CyclePhotoAspectRatio),
+                    "f" => Some(Message::ToggleFormatPicker),
+                    "q" => Some(Message::Noop),
+                    "r" => Some(Message::ResetAllSettings),
+                    "t" => Some(Message::ToggleTheatreMode),
+                    "+" => Some(Message::ZoomIn),
+                    "-" => Some(Message::ZoomOut),
+                    " " => Some(Message::AbortPhotoTimer),
+                    "0" => Some(Message::ResetZoom),
+                    "," => Some(Message::ToggleContextPage(ContextPage::Settings)),
+                    _ => None,
+                }
+            }
+
+            Key::Character(c) if !modifiers.control() && !modifiers.logo() && !modifiers.alt() => {
+                match c.as_str() {
+                    "a" => Some(Message::ToggleFocusAuto),
+                    "c" => Some(Message::ToggleColorPicker),
+                    "e" => Some(Message::ToggleExposurePicker),
+                    "f" => Some(Message::ToggleFlash),
+                    "g" => Some(Message::OpenGallery),
+                    "n" => Some(Message::NextMode),
+                    "m" => Some(Message::ToggleRecordAudio),
+                    "p" => Some(Message::ToggleMotorPicker),
+                    "q" => Some(Message::ToggleQrDetection),
+                    "r" => Some(Message::ToggleSaveBurstRaw),
+                    "s" => Some(Message::SwitchCamera),
+                    "t" => Some(Message::ToggleTimelapse),
+                    "u" => Some(Message::TheatreToggleUI),
+                    "v" => Some(Message::ToggleVirtualCamera),
+                    " " => Some(Message::ToggleVideoPlayPause),
+                    _ => None,
+                }
+            }
+            _ => None,
+        }
+    }
+    cosmic::iced::event::listen_raw(event_to_functionality)
+}

src/app/mod.rs

@@ -39,6 +39,7 @@ mod gallery_primitive;
 mod gallery_widget;
 mod handlers;
 pub mod insights;
+mod keybind;
 mod motor_picker;
 pub mod qr_overlay;
 pub mod settings;
@@ -51,6 +52,7 @@ mod video_widget;
 mod view;
 
 // Re-export public API
+use crate::app::keybind::key_subscription;
 use crate::config::Config;
 use crate::fl;
 use cosmic::app::context_drawer;
@@ -1498,6 +1500,8 @@ impl cosmic::Application for AppModel {
             Subscription::none()
         };
 
+        let keybind_sub = key_subscription();
+
         Subscription::batch([
             config_sub,
             camera_sub,
@@ -1510,6 +1514,7 @@ impl cosmic::Application for AppModel {
             brightness_eval_sub,
             insights_update_sub,
             portal_theme_sub,
+            keybind_sub,
         ])
     }