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Change cursor position, change preffered size calculation for cursor

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This commit is contained in:
daa 2018-02-12 00:34:51 +03:00
parent 89499763ec
commit 69dbc990c6
3 changed files with 126 additions and 60 deletions
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130
src/cmd_line.rs
View File

@ -18,6 +18,7 @@ use cursor;
pub struct Level {
model_layout: ModelLayout,
prompt_offset: usize,
preferred_width: i32,
preferred_height: i32,
}
@ -29,27 +30,43 @@ impl Level {
//TODO: delete
pub fn replace_from_ctx(&mut self, ctx: &CmdLineContext, render_state: &shell::RenderState) {
self.replace_line(&ctx.get_lines(), render_state, false);
let content = ctx.get_lines();
self.replace_line(&content.lines, false);
self.prompt_offset = content.prompt_offset;
self.model_layout
.set_cursor(self.prompt_offset + ctx.pos as usize);
self.update_preferred_size(render_state);
}
fn replace_line(
&mut self,
lines: &Vec<Vec<(Option<Attrs>, Vec<char>)>>,
render_state: &shell::RenderState,
append: bool,
) {
pub fn from_ctx(ctx: &CmdLineContext, render_state: &shell::RenderState) -> Self {
let content = ctx.get_lines();
let mut level = Level::from_lines(&content.lines, ctx.max_width, render_state);
level.prompt_offset = content.prompt_offset;
level
.model_layout
.set_cursor(level.prompt_offset + ctx.pos as usize);
level.update_preferred_size(render_state);
level
}
fn replace_line(&mut self, lines: &Vec<Vec<(Option<Attrs>, Vec<char>)>>, append: bool) {
if append {
self.model_layout.layout_append(lines);
} else {
self.model_layout.layout(lines);
}
}
fn update_preferred_size(&mut self, render_state: &shell::RenderState) {
let &CellMetrics {
line_height,
char_width,
..
} = render_state.font_ctx.cell_metrics();
let (columns, rows) = if append {
self.model_layout.layout_append(lines)
} else {
self.model_layout.layout(lines)
};
let (columns, rows) = self.model_layout.size();
let columns = max(columns, 5);
self.preferred_width = (char_width * columns as f64) as i32;
@ -89,31 +106,22 @@ impl Level {
max_width: i32,
render_state: &shell::RenderState,
) -> Self {
let &CellMetrics {
line_height,
char_width,
..
} = render_state.font_ctx.cell_metrics();
let &CellMetrics { char_width, .. } = render_state.font_ctx.cell_metrics();
let max_width_chars = (max_width as f64 / char_width) as u64;
let mut model_layout = ModelLayout::new(max_width_chars);
let (columns, rows) = model_layout.layout(lines);
model_layout.layout(lines);
let columns = max(columns, 5);
let preferred_width = (char_width * columns as f64) as i32;
let preferred_height = (line_height * rows as f64) as i32;
Level {
let mut level = Level {
model_layout,
preferred_width,
preferred_height,
}
}
preferred_width: -1,
preferred_height: -1,
prompt_offset: 0,
};
pub fn from_ctx(ctx: &CmdLineContext, render_state: &shell::RenderState) -> Self {
Level::from_lines(&ctx.get_lines(), ctx.max_width, render_state)
level.update_preferred_size(render_state);
level
}
fn update_cache(&mut self, render_state: &shell::RenderState) {
@ -123,10 +131,19 @@ impl Level {
&render_state.color_model,
);
}
fn set_cursor(&mut self, render_state: &shell::RenderState, pos: usize) {
self.model_layout.set_cursor(self.prompt_offset + pos);
self.update_preferred_size(render_state);
}
}
fn prompt_lines(firstc: &str, prompt: &str, indent: u64) -> Vec<(Option<Attrs>, Vec<char>)> {
if !firstc.is_empty() {
fn prompt_lines(
firstc: &str,
prompt: &str,
indent: u64,
) -> (usize, Vec<(Option<Attrs>, Vec<char>)>) {
let prompt: Vec<(Option<Attrs>, Vec<char>)> = if !firstc.is_empty() {
if firstc.len() >= indent as usize {
vec![(None, firstc.chars().collect())]
} else {
@ -147,7 +164,11 @@ fn prompt_lines(firstc: &str, prompt: &str, indent: u64) -> Vec<(Option<Attrs>,
.collect()
} else {
vec![]
}
};
let prompt_offset = prompt.last().map(|l| l.1.len()).unwrap_or(0);
(prompt_offset, prompt)
}
struct State {
@ -192,9 +213,18 @@ impl State {
level.map(|l| l.preferred_height).unwrap_or(0)
+ self.block.as_ref().map(|b| b.preferred_height).unwrap_or(0)
}
fn set_cursor(&mut self, render_state: &shell::RenderState, pos: usize, level: usize) {
debug_assert!(level > 0);
// queue old cursor position
self.queue_redraw_cursor();
self.levels
.get_mut(level - 1)
.map(|l| l.set_cursor(render_state, pos));
}
impl cursor::CursorRedrawCb for State {
fn queue_redraw_cursor(&mut self) {
if let Some(ref level) = self.levels.last() {
let level_preferred_height = level.preferred_height;
@ -225,6 +255,13 @@ impl cursor::CursorRedrawCb for State {
}
}
impl cursor::CursorRedrawCb for State {
fn queue_redraw_cursor(&mut self) {
self.queue_redraw_cursor();
}
}
pub struct CmdLine {
popover: gtk::Popover,
displyed: bool,
@ -328,7 +365,8 @@ impl CmdLine {
.collect();
let block = state.block.as_mut().unwrap();
block.replace_line(&vec![attr_content], &*render_state.borrow(), true);
block.replace_line(&vec![attr_content], true);
block.update_preferred_size(&*render_state.borrow());
block.update_cache(&*render_state.borrow());
}
state.request_area_size();
@ -338,8 +376,10 @@ impl CmdLine {
self.state.borrow_mut().block = None;
}
pub fn pos(&mut self, pos: u64, level: u64) {
//TODO: move cursor
pub fn pos(&mut self, render_state: &shell::RenderState, pos: u64, level: u64) {
self.state
.borrow_mut()
.set_cursor(render_state, pos as usize, level as usize);
}
}
@ -400,14 +440,14 @@ pub struct CmdLineContext {
}
impl CmdLineContext {
fn get_lines(&self) -> Vec<Vec<(Option<Attrs>, Vec<char>)>> {
fn get_lines(&self) -> LineContent {
let content_line: Vec<(Option<Attrs>, Vec<char>)> = self.content
.iter()
.map(|c| {
(Some(Attrs::from_value_map(&c.0)), c.1.chars().collect())
})
.collect();
let prompt_lines = prompt_lines(&self.firstc, &self.prompt, self.indent);
let (prompt_offset, prompt_lines) = prompt_lines(&self.firstc, &self.prompt, self.indent);
let mut content: Vec<_> = prompt_lines.into_iter().map(|line| vec![line]).collect();
@ -417,6 +457,14 @@ impl CmdLineContext {
content.last_mut().map(|line| line.extend(content_line));
}
content
LineContent {
lines: content,
prompt_offset,
}
}
}
struct LineContent {
lines: Vec<Vec<(Option<Attrs>, Vec<char>)>>,
prompt_offset: usize,
}

3
src/shell.rs
View File

@ -1240,7 +1240,8 @@ impl RedrawEvents for State {
}
fn cmdline_pos(&mut self, pos: u64, level: u64) -> RepaintMode {
self.cmd_line.pos(pos, level);
let render_state = self.render_state.borrow();
self.cmd_line.pos(&* render_state, pos, level);
RepaintMode::Nothing
}
}

51
src/ui_model/model_layout.rs
View File

@ -19,24 +19,41 @@ impl ModelLayout {
}
}
pub fn layout_append(&mut self, lines: &Vec<Vec<(Option<Attrs>, Vec<char>)>>) -> (usize, usize) {
pub fn layout_append(&mut self, lines: &Vec<Vec<(Option<Attrs>, Vec<char>)>>) {
let rows_filled = self.rows_filled;
self.layout_replace(rows_filled, lines)
self.layout_replace(rows_filled, lines);
}
pub fn layout(&mut self,
lines: &Vec<Vec<(Option<Attrs>, Vec<char>)>>,
) -> (usize, usize) {
self.layout_replace(0, lines)
pub fn layout(&mut self, lines: &Vec<Vec<(Option<Attrs>, Vec<char>)>>) {
self.layout_replace(0, lines);
}
pub fn set_cursor(&mut self, col: usize) {
let row = if self.rows_filled > 0 {
self.rows_filled - 1
} else {
0
};
self.model.set_cursor(row, col);
}
pub fn size(&self) -> (usize, usize) {
(
max(self.cols_filled, self.model.get_cursor().1 + 1),
self.rows_filled,
)
}
fn check_model_size(&mut self, rows: usize) {
if rows > self.model.rows {
let model_cols = self.model.columns;
let model_rows = ((rows / (ModelLayout::ROWS_STEP + 1)) + 1) * ModelLayout::ROWS_STEP;
let (cur_row, cur_col) = self.model.get_cursor();
let mut model = UiModel::new(model_rows as u64, model_cols as u64);
self.model.copy_rows(&mut model, self.rows_filled - 1);
model.set_cursor(cur_row, cur_col);
self.model = model;
}
}
@ -44,11 +61,7 @@ impl ModelLayout {
/// Wrap all lines into model
///
/// returns actual width
fn layout_replace(
&mut self,
row_offset: usize,
lines: &Vec<Vec<(Option<Attrs>, Vec<char>)>>,
) -> (usize, usize) {
fn layout_replace(&mut self, row_offset: usize, lines: &Vec<Vec<(Option<Attrs>, Vec<char>)>>) {
let rows = ModelLayout::count_lines(&lines, self.model.columns);
self.check_model_size(rows + row_offset);
@ -83,7 +96,6 @@ impl ModelLayout {
}
self.cols_filled = max(self.cols_filled, max_col_idx + 1);
(self.cols_filled, self.rows_filled)
}
fn count_lines(lines: &Vec<Vec<(Option<Attrs>, Vec<char>)>>, max_columns: usize) -> usize {
@ -115,11 +127,13 @@ mod tests {
let lines = vec![vec![(None, vec!['a'; 5])]; ModelLayout::ROWS_STEP];
let mut model = ModelLayout::new(5);
let (cols, rows) = model.layout(&lines);
model.layout(&lines);
let (cols, rows) = model.size();
assert_eq!(5, cols);
assert_eq!(ModelLayout::ROWS_STEP, rows);
let (cols, rows) = model.layout_append(&lines);
model.layout_append(&lines);
let (cols, rows) = model.size();
assert_eq!(5, cols);
assert_eq!(ModelLayout::ROWS_STEP * 2, rows);
assert_eq!(ModelLayout::ROWS_STEP * 2, model.model.rows);
@ -130,11 +144,14 @@ mod tests {
let lines = vec![vec![(None, vec!['a'; 3])]; 1];
let mut model = ModelLayout::new(5);
let (cols, _) = model.layout(&lines);
assert_eq!(3, cols);
model.layout(&lines);
let (cols, _) = model.size();
assert_eq!(4, cols); // size is 3 and 4 - is with cursor position
let lines = vec![vec![(None, vec!['a'; 2])]; 1];
let (cols, _) = model.layout_append(&lines);
model.layout_append(&lines);
let (cols, _) = model.size();
assert_eq!(3, cols);
}
}