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-rw-r--r--src/main.rs642
1 files changed, 80 insertions, 562 deletions
diff --git a/src/main.rs b/src/main.rs
index 48542d9..09795d0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,7 @@
#[macro_use]
extern crate log;
+#[macro_use]
+extern crate anyhow;
use smithay_client_toolkit::{
self as sctk, default_environment,
@@ -8,22 +10,16 @@ use smithay_client_toolkit::{
output::{with_output_info, OutputInfo},
reexports::{
calloop,
- client::protocol::{wl_output, wl_pointer, wl_seat, wl_shm, wl_surface},
- client::{Attached, Main},
- protocols::wlr::unstable::layer_shell::v1::client::{
- zwlr_layer_shell_v1, zwlr_layer_surface_v1,
- },
+ client::protocol::{wl_output, wl_pointer},
+ protocols::wlr::unstable::layer_shell::v1::client::zwlr_layer_shell_v1,
},
- shm::AutoMemPool,
WaylandSource,
};
-use pangocairo::cairo;
-
-use std::cell::{Cell, RefCell};
-use std::collections::{BinaryHeap, HashMap};
+use std::cell::RefCell;
use std::rc::Rc;
+mod bar_state;
mod button_manager;
mod color;
mod config;
@@ -36,18 +32,10 @@ mod tags;
mod text;
mod utils;
-use button_manager::ButtonManager;
-use config::Config;
-use i3bar_protocol::{Block, MinWidth};
-use ord_adaptor::DefaultLess;
+use bar_state::BarState;
use pointer_btn::PointerBtn;
-use river_protocols::zriver_command_callback_v1;
use river_protocols::zriver_control_v1;
-use river_protocols::zriver_output_status_v1;
use river_protocols::zriver_status_manager_v1;
-use status_cmd::StatusCmd;
-use tags::{compute_tag_label, TagState, TagsInfo};
-use text::{ComputedText, RenderOptions};
default_environment!(Env,
fields = [
@@ -75,29 +63,18 @@ fn main() {
)
.expect("Initial roundtrip failed!");
- let config = Rc::new(RefCell::new(Config::new().unwrap()));
- let surfaces = Rc::new(RefCell::new(Vec::<Surface>::new()));
- let blocks = Rc::new(RefCell::new(Vec::<Block>::new()));
-
- let cmd = config.borrow_mut().command.take().unwrap();
- let status_cmd = StatusCmd::new(&cmd, Rc::clone(&blocks), Rc::clone(&surfaces))
- .expect("failed run status command");
+ let bar_state = Rc::new(RefCell::new(BarState::new()));
let layer_shell = env.require_global::<zwlr_layer_shell_v1::ZwlrLayerShellV1>();
let river_status = env.require_global::<zriver_status_manager_v1::ZriverStatusManagerV1>();
let river_control = env.require_global::<zriver_control_v1::ZriverControlV1>();
let env_handle = env.clone();
- let surfaces_handle = Rc::clone(&surfaces);
- let config_handle = Rc::clone(&config);
- let blocks_handle = Rc::clone(&blocks);
- let status_cmd_handle = status_cmd.clone();
+ let bar_state_handle = Rc::clone(&bar_state);
let output_handler = move |output: wl_output::WlOutput, info: &OutputInfo| {
if info.obsolete {
info!("Output removed");
- surfaces_handle
- .borrow_mut()
- .retain(|s| s.output_id != info.id);
+ bar_state_handle.borrow_mut().remove_surface(info.id);
output.release();
} else {
info!("Output detected");
@@ -105,7 +82,7 @@ fn main() {
let pool = env_handle
.create_auto_pool()
.expect("Failed to create a memory pool!");
- (*surfaces_handle.borrow_mut()).push(Surface::new(
+ bar_state_handle.borrow_mut().add_surface(
&output,
info.id,
surface,
@@ -113,10 +90,7 @@ fn main() {
&river_status,
river_control.clone(),
pool,
- config_handle.clone(),
- blocks_handle.clone(),
- status_cmd_handle.clone(),
- ));
+ );
}
};
@@ -133,97 +107,73 @@ fn main() {
env.listen_for_outputs(move |output, info, _| output_handler(output, info));
// Right now river only supports one seat: default
- let pointer_output_id = Rc::new(Cell::new(None));
for seat in env.get_all_seats() {
sctk::seat::with_seat_data(&seat, |seat_data| {
if seat_data.has_pointer && !seat_data.defunct && seat_data.name == "default" {
let pointer = seat.get_pointer();
- let surfaces_handle = Rc::clone(&surfaces);
- let pointer_output_id_handle = Rc::clone(&pointer_output_id);
+ let bar_state_handle = bar_state.clone();
let seat = seat.clone();
- pointer.quick_assign(move |_, event, _| {
- info!("pointer event");
- match event {
- wl_pointer::Event::Enter {
- serial: _,
- surface,
- surface_x: y,
- surface_y: x,
- } => {
- if let Some(surf) = surfaces_handle
- .borrow_mut()
- .iter_mut()
- .find(|s| s.surface == surface)
- {
- surf.pointer = Some((x, y));
- pointer_output_id_handle.set(Some(surf.output_id));
- }
- }
- wl_pointer::Event::Leave { serial: _, surface } => {
- if let Some(surf) = surfaces_handle
- .borrow_mut()
- .iter_mut()
- .find(|s| s.surface == surface)
- {
- surf.pointer = None;
- pointer_output_id_handle.set(None);
- }
- }
- wl_pointer::Event::Motion {
- time: _,
- surface_x: x,
- surface_y: y,
- } => {
- if let Some(output_id) = pointer_output_id_handle.get() {
- if let Some(surf) = surfaces_handle
- .borrow_mut()
- .iter_mut()
- .find(|s| s.output_id == output_id)
- {
- surf.pointer = Some((x, y));
- }
- }
- }
- wl_pointer::Event::Button {
- serial: _,
- time: _,
- button,
- state,
- } if state == wl_pointer::ButtonState::Pressed => {
- if let Some(output_id) = pointer_output_id_handle.get() {
- if let Some(surf) = surfaces_handle
- .borrow_mut()
- .iter_mut()
- .find(|s| s.output_id == output_id)
- {
- surf.click(button.into(), &seat);
- }
- }
+ let mut pos = (0.0, 0.0);
+ let mut cur_surface = None;
+ pointer.quick_assign(move |_, event, _| match event {
+ wl_pointer::Event::Enter {
+ serial: _,
+ surface,
+ surface_x: y,
+ surface_y: x,
+ } => {
+ cur_surface = Some(surface);
+ pos = (x, y);
+ }
+ wl_pointer::Event::Leave {
+ serial: _,
+ surface: _,
+ } => {
+ cur_surface = None;
+ }
+ wl_pointer::Event::Motion {
+ time: _,
+ surface_x: x,
+ surface_y: y,
+ } => {
+ pos = (x, y);
+ }
+ wl_pointer::Event::Button {
+ serial: _,
+ time: _,
+ button,
+ state,
+ } if state == wl_pointer::ButtonState::Pressed => {
+ if let Some(cur_surface) = &cur_surface {
+ bar_state_handle.borrow_mut().handle_click(
+ cur_surface,
+ &seat,
+ pos.0,
+ pos.1,
+ button.into(),
+ );
}
- wl_pointer::Event::Axis {
- time: _,
- axis,
- value,
- } if axis == wl_pointer::Axis::VerticalScroll => {
- if let Some(output_id) = pointer_output_id_handle.get() {
- if let Some(surf) = surfaces_handle
- .borrow_mut()
- .iter_mut()
- .find(|s| s.output_id == output_id)
- {
- surf.click(
- if value > 0.0 {
- PointerBtn::WheelDown
- } else {
- PointerBtn::WheelUp
- },
- &seat,
- );
- }
- }
+ }
+ wl_pointer::Event::Axis {
+ time: _,
+ axis,
+ value,
+ } if axis == wl_pointer::Axis::VerticalScroll => {
+ if let Some(cur_surface) = &cur_surface {
+ bar_state_handle.borrow_mut().handle_click(
+ cur_surface,
+ &seat,
+ pos.0,
+ pos.1,
+ if value > 0.0 {
+ PointerBtn::WheelDown
+ } else {
+ PointerBtn::WheelUp
+ },
+ );
}
- _ => (),
}
+ _ => (),
});
}
});
@@ -235,452 +185,20 @@ fn main() {
.quick_insert(event_loop.handle())
.unwrap();
- // Run command
- let blocks_handle = Rc::clone(&blocks);
- let surfaces_handle = Rc::clone(&surfaces);
- event_loop
- .handle()
- .insert_source(
- calloop::generic::Generic::new(
- status_cmd,
- calloop::Interest {
- readable: true,
- writable: false,
- },
- calloop::Mode::Level,
- ),
- move |ready, cmd, _| {
- info!("status command update");
- if ready.readable {
- cmd.notify_available()?;
- Ok(calloop::PostAction::Continue)
- } else {
- *blocks_handle.borrow_mut() = vec![Block {
- full_text: "[error reading from status command]".into(),
- ..Default::default()
- }];
- for s in &mut *surfaces_handle.borrow_mut() {
- s.blocks_need_update = true;
- }
- Ok(calloop::PostAction::Remove)
- }
- },
- )
- .expect("failed to inser calloop source");
+ if let Some(cmd) = &bar_state.borrow().status_cmd {
+ let bar_state_handle = Rc::clone(&bar_state);
+ cmd.quick_insert(event_loop.handle(), bar_state_handle);
+ }
loop {
- // This is ugly, let's hope that some version of drain_filter() gets stabilized soon
- // https://github.com/rust-lang/rust/issues/43244
{
- let mut surfaces = surfaces.borrow_mut();
- let mut i = 0;
- while i != surfaces.len() {
- if surfaces[i].handle_events() {
- surfaces.remove(i);
- } else {
- i += 1;
- }
- }
+ // Using a new scope in order to be sure that `bar_state` will not be borrowed while
+ // dispatching the events
+ bar_state.borrow_mut().handle_events();
}
-
display.flush().unwrap();
- event_loop.dispatch(None, &mut ()).unwrap();
- }
-}
-
-#[derive(PartialEq, Copy, Clone)]
-enum RenderEvent {
- Configure { width: u32, height: u32 },
- TagsUpdated,
- Closed,
-}
-
-pub struct Surface {
- output_id: u32,
- surface: wl_surface::WlSurface,
- layer_surface: Main<zwlr_layer_surface_v1::ZwlrLayerSurfaceV1>,
- next_render_event: Rc<Cell<Option<RenderEvent>>>,
- pool: AutoMemPool,
- dimensions: (u32, u32),
- config: Rc<RefCell<Config>>,
- // river stuff
- river_output_status: Main<zriver_output_status_v1::ZriverOutputStatusV1>,
- river_control: Attached<zriver_control_v1::ZriverControlV1>,
- // blocks
- blocks: Rc<RefCell<Vec<Block>>>,
- blocks_need_update: bool,
- status_cmd: StatusCmd,
- // tags
- tags_info: Rc<RefCell<TagsInfo>>,
- tags_computed: Vec<ComputedText>,
- // Clicking stuff
- pointer: Option<(f64, f64)>,
- tags_btns: ButtonManager,
- blocks_btns: ButtonManager<(Option<String>, Option<String>)>,
-}
-
-impl Surface {
- #[allow(clippy::too_many_arguments)]
- fn new(
- output: &wl_output::WlOutput,
- output_id: u32,
- surface: wl_surface::WlSurface,
- layer_shell: &Attached<zwlr_layer_shell_v1::ZwlrLayerShellV1>,
- river_status: &Attached<zriver_status_manager_v1::ZriverStatusManagerV1>,
- river_control: Attached<zriver_control_v1::ZriverControlV1>,
- pool: AutoMemPool,
- config: Rc<RefCell<Config>>,
- blocks: Rc<RefCell<Vec<Block>>>,
- status_cmd: StatusCmd,
- ) -> Self {
- let layer_surface = layer_shell.get_layer_surface(
- &surface,
- Some(output),
- zwlr_layer_shell_v1::Layer::Top,
- "i3bar-river".to_owned(),
- );
-
- // Set the height
- layer_surface.set_size(0, config.borrow().height);
- // Anchor to the top
- layer_surface.set_anchor(
- zwlr_layer_surface_v1::Anchor::Top
- | zwlr_layer_surface_v1::Anchor::Left
- | zwlr_layer_surface_v1::Anchor::Right,
- );
-
- let next_render_event = Rc::new(Cell::new(None));
- let next_render_event_handle = Rc::clone(&next_render_event);
- layer_surface.quick_assign(move |layer_surface, event, _| {
- info!("layer_surface event");
- match (event, next_render_event_handle.get()) {
- (zwlr_layer_surface_v1::Event::Closed, _) => {
- next_render_event_handle.set(Some(RenderEvent::Closed));
- }
- (
- zwlr_layer_surface_v1::Event::Configure {
- serial,
- width,
- height,
- },
- next,
- ) if next != Some(RenderEvent::Closed) => {
- layer_surface.ack_configure(serial);
- next_render_event_handle.set(Some(RenderEvent::Configure { width, height }));
- }
- (_, _) => (),
- }
- });
-
- // Commit so that the server will send a configure event
- surface.commit();
-
- let river_output_status = river_status.get_river_output_status(output);
- let tags_info = Rc::new(RefCell::new(TagsInfo::default()));
- let tags_info_handle = Rc::clone(&tags_info);
- let next_render_event_handle = Rc::clone(&next_render_event);
- river_output_status.quick_assign(move |_, event, _| {
- match event {
- zriver_output_status_v1::Event::FocusedTags { tags } => {
- info!("Focused tags updated: {tags}");
- tags_info_handle.borrow_mut().focused = tags;
- }
- zriver_output_status_v1::Event::UrgentTags { tags } => {
- info!("Urgent tags updated: {tags}");
- tags_info_handle.borrow_mut().urgent = tags;
- }
- _ => (),
- }
- if next_render_event_handle.get().is_none() {
- next_render_event_handle.set(Some(RenderEvent::TagsUpdated));
- }
- });
-
- Self {
- output_id,
- surface,
- layer_surface,
- next_render_event,
- pool,
- dimensions: (0, 0),
- config,
- river_output_status,
- river_control,
- blocks,
- blocks_need_update: false,
- status_cmd,
- tags_info,
- tags_computed: Vec::with_capacity(9),
- pointer: None,
- tags_btns: Default::default(),
- blocks_btns: Default::default(),
- }
- }
-
- /// Handles any events that have occurred since the last call, redrawing if needed.
- /// Returns true if the surface should be dropped.
- fn handle_events(&mut self) -> bool {
- match self.next_render_event.take() {
- Some(RenderEvent::Closed) => return true,
- Some(RenderEvent::Configure { width, height }) => {
- if self.dimensions != (width, height) {
- self.dimensions = (width, height);
- self.layer_surface.set_exclusive_zone(height as _);
- self.draw();
- return false;
- }
- }
- Some(RenderEvent::TagsUpdated) => {
- self.draw();
- return false;
- }
- _ => (),
- }
- if self.blocks_need_update {
- self.draw();
- return false;
- }
- false
- }
-
- fn click(&mut self, button: PointerBtn, seat: &wl_seat::WlSeat) {
- if let Some((x, _)) = self.pointer {
- if let Some(id) = self.tags_btns.click(x) {
- let cmd = match button {
- PointerBtn::Left => "set-focused-tags",
- PointerBtn::Right => "toggle-focused-tags",
- _ => return,
- };
- self.river_control.add_argument(cmd.into());
- self.river_control.add_argument((1 << id).to_string());
- let result = self.river_control.run_command(seat);
- result.quick_assign(|_, event, _| match event {
- zriver_command_callback_v1::Event::Success { output } => {
- info!("River cmd output: '{output}'");
- }
- zriver_command_callback_v1::Event::Failure { failure_message: f } => {
- error!("River error: '{f}'");
- }
- });
- } else if let Some((name, instance)) = self.blocks_btns.click(x) {
- let _ =
- self.status_cmd
- .send_click_event(button, name.as_deref(), instance.as_deref());
- }
- }
- }
-
- fn draw(&mut self) {
- let config = self.config.borrow();
-
- let stride = 4 * self.dimensions.0 as i32;
- let width = self.dimensions.0 as i32;
- let height = self.dimensions.1 as i32;
- let width_f = width as f64;
- let height_f = height as f64;
-
- let (canvas, buffer) = self
- .pool
- .buffer(width, height, stride, wl_shm::Format::Argb8888)
- .unwrap();
-
- let cairo_surf = unsafe {
- cairo::ImageSurface::create_for_data_unsafe(
- canvas.as_mut_ptr(),
- cairo::Format::ARgb32,
- width,
- height,
- stride,
- )
- .expect("cairo surface")
- };
-
- let cairo_ctx = cairo::Context::new(&cairo_surf).expect("cairo context");
- let pango_layout = pangocairo::create_layout(&cairo_ctx).expect("pango layout");
- pango_layout.set_font_description(Some(&config.font));
- pango_layout.set_height(height);
-
- // Background
- config.background.apply(&cairo_ctx);
- cairo_ctx.paint().expect("cairo paint");
-
- // Compute tags
- if self.tags_computed.is_empty() {
- let mut x_offset = 0.0;
- // TODO make configurable
- for (id, text) in ["1", "2", "3", "4", "5", "6", "7", "8", "9"]
- .iter()
- .enumerate()
- {
- let tag = compute_tag_label(text.to_string(), config.font.clone(), &cairo_ctx);
- self.tags_btns.push(x_offset, tag.width, id);
- x_offset += tag.width;
- self.tags_computed.push(tag);
- }
- }
-
- // Display tags
- let mut offset_left = 0.0;
- let tags_info = self.tags_info.borrow();
- for (i, label) in self.tags_computed.iter().enumerate() {
- let (bg, fg) = match tags_info.get_state(i) {
- TagState::Focused => (config.tag_focused_bg, config.tag_focused_fg),
- TagState::Inactive => (config.tag_bg, config.tag_fg),
- TagState::Urgent => (config.tag_urgent_bg, config.tag_urgent_fg),
- };
- label.render(
- &cairo_ctx,
- RenderOptions {
- x_offset: offset_left,
- bar_height: height_f,
- fg_color: fg,
- bg_color: Some(bg),
- },
- );
- offset_left += label.width;
- }
-
- // Display the blocks
- render_blocks(
- &cairo_ctx,
- &*config,
- &*self.blocks.borrow(),
- &mut self.blocks_btns,
- offset_left,
- width_f,
- height_f,
- );
- self.blocks_need_update = false;
-
- // Attach the buffer to the surface and mark the entire surface as damaged
- self.surface.attach(Some(&buffer), 0, 0);
- self.surface
- .damage_buffer(0, 0, width as i32, height as i32);
-
- // Finally, commit the surface
- self.surface.commit();
- }
-}
-
-impl Drop for Surface {
- fn drop(&mut self) {
- self.layer_surface.destroy();
- self.surface.destroy();
- self.river_output_status.destroy();
- }
-}
-
-fn render_blocks(
- context: &cairo::Context,
- config: &Config,
- blocks: &[Block],
- buttons: &mut ButtonManager<(Option<String>, Option<String>)>,
- offset_left: f64,
- full_width: f64,
- full_height: f64,
-) {
- let mut blocks_computed = Vec::with_capacity(blocks.len());
- let mut blocks_width = 0.0;
- let mut deltas = HashMap::<&str, f64>::new();
- for (i, block) in blocks.iter().enumerate() {
- let markup = block.markup.as_deref() == Some("pango");
- let min_width = match &block.min_width {
- Some(MinWidth::Pixels(p)) => Some(*p as f64),
- Some(MinWidth::Text(t)) => Some(text::width_of(t, context, markup, &config.font.0)),
- None => None,
- };
- let full_text = text::Text {
- text: block.full_text.clone(),
- attr: text::Attributes {
- font: config.font.clone(),
- padding_left: 0.0,
- padding_right: 0.0,
- min_width,
- align: block.align.unwrap_or_default(),
- markup,
- },
- }
- .compute(context);
- let short_text = block.short_text.clone().map(|short_text| {
- text::Text {
- text: short_text,
- attr: text::Attributes {
- font: config.font.clone(),
- padding_left: 0.0,
- padding_right: 0.0,
- min_width,
- align: block.align.unwrap_or_default(),
- markup,
- },
- }
- .compute(context)
- });
- blocks_width += full_text.width;
- if i + 1 != blocks.len() {
- blocks_width += block.separator_block_width as f64;
- }
- if let Some(short) = &short_text {
- if let Some(name) = &block.name {
- *deltas.entry(name).or_insert(0.0) += full_text.width - short.width;
- }
- }
- blocks_computed.push((block.name.as_deref(), full_text, short_text));
- }
-
- // Progressively switch to short mode
- if offset_left + blocks_width > full_width {
- let mut heap = BinaryHeap::new();
- for (name, delta) in deltas {
- if delta > 0.0 {
- heap.push((DefaultLess(delta), name));
- }
- }
- while let Some((DefaultLess(delta), to_switch)) = heap.pop() {
- for (name, full, short) in &mut blocks_computed {
- if *name == Some(to_switch) {
- if let Some(short) = short {
- std::mem::swap(full, short);
- }
- }
- }
- blocks_width -= delta;
- if offset_left + blocks_width <= full_width {
- break;
- }
- }
- }
-
- buttons.clear();
- for (i, (block, computed)) in blocks
- .iter()
- .zip(blocks_computed.iter().map(|(_, full, _)| full))
- .enumerate()
- {
- computed.render(
- context,
- RenderOptions {
- x_offset: full_width - blocks_width,
- bar_height: full_height,
- fg_color: block.color.unwrap_or(config.color),
- bg_color: block.background,
- },
- );
- buttons.push(
- full_width - blocks_width,
- computed.width,
- (block.name.clone(), block.instance.clone()),
- );
- blocks_width -= computed.width;
- if i + 1 != blocks.len() && block.separator_block_width > 0 {
- let w = block.separator_block_width as f64;
- if block.separator {
- config.separator.apply(context);
- context.set_line_width(2.0);
- context.move_to(full_width - blocks_width + w * 0.5, full_height * 0.1);
- context.line_to(full_width - blocks_width + w * 0.5, full_height * 0.9);
- context.stroke().unwrap();
- }
- blocks_width -= w;
+ if let Err(e) = event_loop.dispatch(None, &mut ()) {
+ bar_state.borrow_mut().set_error(e.to_string());
}
}
}