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software: add font size key assignment handling

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This doesn't know how to resize the window at the moment, which is
different from how the opengl renderer behaves.
This commit is contained in:
Wez Furlong 2019-09-28 16:00:08 -07:00
parent a3a54837b7
commit 34f60dfa7f
1 changed files with 61 additions and 49 deletions
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110
src/frontend/software/termwindow.rs
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@ -189,52 +189,7 @@ impl WindowCallbacks for TermWindow {
}
fn resize(&mut self, dimensions: Dimensions) {
let mux = Mux::get().unwrap();
if let Some(window) = mux.get_window(self.mux_window_id) {
if dimensions.dpi != self.dimensions.dpi {
self.fonts.change_scaling(1., dimensions.dpi as f64 / 96.);
let metrics = self
.fonts
.default_font_metrics()
.expect("failed to get font metrics!?");
let (cell_height, cell_width) = (
metrics.cell_height.ceil() as usize,
metrics.cell_width.ceil() as usize,
);
let surface = Rc::new(ImageTexture::new(4096, 4096));
let atlas =
RefCell::new(Atlas::new(&surface).expect("failed to create new texture atlas"));
let descender_row = (cell_height as f64 + metrics.descender) as isize;
let descender_plus_one = (1 + descender_row).min(cell_height as isize - 1);
let descender_plus_two = (2 + descender_row).min(cell_height as isize - 1);
let strike_row = descender_row / 2;
self.descender = metrics.descender;
self.descender_row = descender_row;
self.descender_plus_one = descender_plus_one;
self.descender_plus_two = descender_plus_two;
self.strike_row = strike_row;
self.glyph_cache.borrow_mut().clear();
self.atlas = atlas;
self.cell_size = Size::new(cell_width as isize, cell_height as isize);
}
self.dimensions = dimensions;
let size = portable_pty::PtySize {
rows: dimensions.pixel_height as u16 / self.cell_size.height as u16,
cols: dimensions.pixel_width as u16 / self.cell_size.width as u16,
pixel_height: dimensions.pixel_height as u16,
pixel_width: dimensions.pixel_width as u16,
};
for tab in window.iter() {
tab.resize(size).ok();
}
};
self.scaling_changed(dimensions, self.fonts.get_font_scale());
}
fn key_event(&mut self, key: &KeyEvent, _context: &dyn WindowOps) -> bool {
@ -550,9 +505,66 @@ impl TermWindow {
});
}
fn decrease_font_size(&mut self) {}
fn increase_font_size(&mut self) {}
fn reset_font_size(&mut self) {}
fn scaling_changed(&mut self, dimensions: Dimensions, font_scale: f64) {
let mux = Mux::get().unwrap();
if let Some(window) = mux.get_window(self.mux_window_id) {
if dimensions.dpi != self.dimensions.dpi || font_scale != self.fonts.get_font_scale() {
self.fonts
.change_scaling(font_scale, dimensions.dpi as f64 / 96.);
let metrics = self
.fonts
.default_font_metrics()
.expect("failed to get font metrics!?");
let (cell_height, cell_width) = (
metrics.cell_height.ceil() as usize,
metrics.cell_width.ceil() as usize,
);
let surface = Rc::new(ImageTexture::new(4096, 4096));
let atlas =
RefCell::new(Atlas::new(&surface).expect("failed to create new texture atlas"));
let descender_row = (cell_height as f64 + metrics.descender) as isize;
let descender_plus_one = (1 + descender_row).min(cell_height as isize - 1);
let descender_plus_two = (2 + descender_row).min(cell_height as isize - 1);
let strike_row = descender_row / 2;
self.descender = metrics.descender;
self.descender_row = descender_row;
self.descender_plus_one = descender_plus_one;
self.descender_plus_two = descender_plus_two;
self.strike_row = strike_row;
self.glyph_cache.borrow_mut().clear();
self.atlas = atlas;
self.cell_size = Size::new(cell_width as isize, cell_height as isize);
}
self.dimensions = dimensions;
let size = portable_pty::PtySize {
rows: dimensions.pixel_height as u16 / self.cell_size.height as u16,
cols: dimensions.pixel_width as u16 / self.cell_size.width as u16,
pixel_height: dimensions.pixel_height as u16,
pixel_width: dimensions.pixel_width as u16,
};
for tab in window.iter() {
tab.resize(size).ok();
}
};
}
fn decrease_font_size(&mut self) {
self.scaling_changed(self.dimensions.clone(), self.fonts.get_font_scale() * 0.9);
}
fn increase_font_size(&mut self) {
self.scaling_changed(self.dimensions.clone(), self.fonts.get_font_scale() * 1.1);
}
fn reset_font_size(&mut self) {
self.scaling_changed(self.dimensions.clone(), 1.);
}
fn close_current_tab(&mut self) {
let mux = Mux::get().unwrap();
let tab = match mux.get_active_tab_for_window(self.mux_window_id) {