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gui: try harder to deal with tiling wm resizing + dpi changes

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refs: #695
This commit is contained in:
Wez Furlong 2021-08-07 22:32:52 -07:00
parent 5a9bd14d89
commit 9617c742cf
2 changed files with 15 additions and 15 deletions
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13
wezterm-gui/src/termwindow/mod.rs
View File

@ -311,19 +311,6 @@ impl TermWindow {
config::wezterm_version(),
);
self.render_state.replace(gl);
/*
// Update dimensions: the goal here is to factor in the dpi and font
// size adjusted GUI window dimensions and apply those to the dimensions
// of the pty in the Mux layer.
let dims = self.dimensions.clone();
self.apply_dimensions(
&dims,
Some(resize::RowsAndCols {
rows: self.terminal_size.rows as _,
cols: self.terminal_size.cols as _,
}),
);
*/
}
Err(err) => {
log::error!("failed to create OpenGLRenderState: {}", err);

17
wezterm-gui/src/termwindow/resize.rs
View File

@ -205,8 +205,21 @@ impl super::TermWindow {
#[allow(clippy::float_cmp)]
pub fn scaling_changed(&mut self, dimensions: Dimensions, font_scale: f64, window: &Window) {
let scale_changed =
dimensions.dpi != self.dimensions.dpi || font_scale != self.fonts.get_font_scale();
fn dpi_adjusted(n: usize, dpi: usize) -> f32 {
n as f32 / dpi as f32
}
// Distinguish between eg: dpi being detected as double the initial dpi (where
// the pixel dimensions don't change), and the dpi change being detected, but
// where the window manager also decides to tile/resize the window.
// In the latter case, we don't want to preserve the terminal rows/cols.
let simple_dpi_change = dimensions.dpi != self.dimensions.dpi
&& dpi_adjusted(dimensions.pixel_height, dimensions.dpi)
== dpi_adjusted(self.dimensions.pixel_height, self.dimensions.dpi)
&& dpi_adjusted(dimensions.pixel_width, dimensions.dpi)
== dpi_adjusted(self.dimensions.pixel_width, self.dimensions.dpi);
let scale_changed = simple_dpi_change || font_scale != self.fonts.get_font_scale();
let scale_changed_cells = if scale_changed {
let cell_dims = self.current_cell_dimensions();