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neovim-gtk
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Simplify resize handling. (#41)

This commit is contained in:
daa 2018-01-02 23:05:32 +03:00
parent 43755c8f24
commit 30b7fc87e1
1 changed files with 12 additions and 109 deletions
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121
src/shell.rs
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@ -21,8 +21,8 @@ use neovim_lib::neovim_api::Tabpage;
use settings::{Settings, FontSource};
use ui_model::{UiModel, Attrs, ModelRect};
use color::{ColorModel, Color, COLOR_BLACK, COLOR_WHITE, COLOR_RED};
use nvim::{self, RedrawEvents, GuiApi, RepaintMode, ErrorReport, NeovimClient,
NeovimRef, NeovimClientAsync, CompleteItem};
use nvim::{self, RedrawEvents, GuiApi, RepaintMode, ErrorReport, NeovimClient, NeovimRef,
NeovimClientAsync, CompleteItem};
use input;
use input::keyval_to_input_string;
use cursor::Cursor;
@ -49,27 +49,6 @@ macro_rules! idle_cb_call {
)
}
#[derive(Debug, Clone, Copy)]
enum ResizeStateEnum {
NvimResizeTimer(usize, usize),
NvimResizeRequest(usize, usize),
Wait,
}
pub struct ResizeState {
state: ResizeStateEnum,
timer: Option<glib::SourceId>,
}
impl ResizeState {
pub fn new() -> Self {
ResizeState {
state: ResizeStateEnum::Wait,
timer: None,
}
}
}
pub struct State {
pub model: UiModel,
pub color_model: ColorModel,
@ -90,8 +69,6 @@ pub struct State {
im_context: gtk::IMMulticontext,
error_area: error::ErrorArea,
resize_state: Rc<RefCell<ResizeState>>,
options: ShellOptions,
detach_cb: Option<Box<RefCell<FnMut() + Send + 'static>>>,
@ -125,8 +102,6 @@ impl State {
im_context: gtk::IMMulticontext::new(),
error_area: error::ErrorArea::new(),
resize_state: Rc::new(RefCell::new(ResizeState::new())),
options,
detach_cb: None,
@ -286,73 +261,17 @@ impl State {
self.im_context.reset();
}
fn try_nvim_resize(&self) {
fn try_nvim_resize(&mut self) {
let (columns, rows) = self.calc_nvim_size();
let mut resize_state = self.resize_state.borrow_mut();
match resize_state.state {
ResizeStateEnum::NvimResizeTimer(req_columns, req_rows) => {
if req_columns == columns && req_rows == rows {
return;
}
glib::source_remove(resize_state.timer.take().unwrap());
resize_state.state = ResizeStateEnum::Wait;
}
ResizeStateEnum::NvimResizeRequest(req_columns, req_rows) => {
if req_columns == columns && req_rows == rows {
return;
}
}
ResizeStateEnum::Wait => (),
}
let resize_state_ref = self.resize_state.clone();
let nvim = self.nvim.clone();
if self.model.rows == rows && self.model.columns == columns {
return;
}
resize_state.state = ResizeStateEnum::NvimResizeTimer(columns, rows);
resize_state.timer = Some(gtk::timeout_add(250, move || {
let mut resize_state = resize_state_ref.borrow_mut();
resize_state.state = ResizeStateEnum::NvimResizeRequest(columns, rows);
resize_state.timer = None;
if let Some(mut nvim) = nvim.nvim().and_then(NeovimRef::non_blocked) {
if let Err(err) = nvim.ui_try_resize(columns as u64, rows as u64) {
error!("Error trying resize nvim {}", err);
}
if let Some(mut nvim) = self.nvim_non_blocked() {
if let Err(err) = nvim.ui_try_resize(columns as u64, rows as u64) {
error!("Error trying resize nvim {}", err);
}
Continue(false)
}));
}
fn resize_main_window(&mut self) {
let &CellMetrics {
line_height,
char_width,
..
} = self.font_ctx.cell_metrics();
let width = self.drawing_area.get_allocated_width();
let height = self.drawing_area.get_allocated_height();
let request_height = (self.model.rows as f64 * line_height) as i32;
let request_width = (self.model.columns as f64 * char_width) as i32;
if width != request_width || height != request_height {
let window: gtk::Window = self.drawing_area
.get_toplevel()
.unwrap()
.downcast()
.unwrap();
let (win_width, win_height) = window.get_size();
let h_border = win_width - width;
let v_border = win_height - height;
window.resize(request_width + h_border, request_height + v_border);
}
}
@ -547,16 +466,14 @@ impl Shell {
let ref_state = self.state.clone();
state.drawing_area.connect_realize(move |w| {
let ref_state = ref_state.clone();
let w = w.clone();
// sometime set_client_window does not work without idle_add
// and looks like not enabled im_context
gtk::idle_add(move || {
gtk::idle_add(clone!(ref_state, w => move || {
ref_state.borrow().im_context.set_client_window(
w.get_window().as_ref(),
);
Continue(false)
});
}));
});
let ref_state = self.state.clone();
@ -566,13 +483,13 @@ impl Shell {
let ref_state = self.state.clone();
state.drawing_area.connect_configure_event(move |_, _| {
ref_state.borrow().try_nvim_resize();
ref_state.borrow_mut().try_nvim_resize();
false
});
let ref_state = self.state.clone();
state.drawing_area.connect_size_allocate(
move |_, _| init_nvim(&ref_state),
move |_, _| { init_nvim(&ref_state); },
);
}
@ -958,7 +875,6 @@ fn init_nvim(state_ref: &Arc<UiMutex<State>>) {
if state.start_nvim_initialization() {
let (cols, rows) = state.calc_nvim_size();
state.model = UiModel::new(rows as u64, cols as u64);
state.resize_state.borrow_mut().state = ResizeStateEnum::NvimResizeRequest(cols, rows);
let state_arc = state_ref.clone();
let options = state.options.clone();
@ -988,21 +904,8 @@ impl RedrawEvents for State {
}
fn on_resize(&mut self, columns: u64, rows: u64) -> RepaintMode {
let state = self.resize_state.borrow().state.clone();
match state {
ResizeStateEnum::NvimResizeTimer(..) => {
if self.model.columns != columns as usize || self.model.rows != rows as usize {
self.model = UiModel::new(rows, columns);
}
}
ResizeStateEnum::Wait |
ResizeStateEnum::NvimResizeRequest(..) => {
if self.model.columns != columns as usize || self.model.rows != rows as usize {
self.resize_state.borrow_mut().state = ResizeStateEnum::Wait;
self.model = UiModel::new(rows, columns);
self.resize_main_window();
}
}
if self.model.columns != columns as usize || self.model.rows != rows as usize {
self.model = UiModel::new(rows, columns);
}
if let Some(mut nvim) = self.nvim.nvim() {