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Align titles to baseline

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This does the following:

* Adds a baseline argument to get_text_size (the baseline is the
distance from the top of the texture to the baseline).
* Stores the baseline in the container when calculating the title
height.
* Takes the baseline into account when calculating the config's max font
height.
* When rendering, pads the textures according to the baseline so they
line up.
This commit is contained in:
Ryan Dwyer 2018-09-08 16:19:31 +10:00
parent 9226aad58c
commit 9215ca0f01
11 changed files with 49 additions and 32 deletions
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12
sway/desktop/render.c
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@ -466,12 +466,12 @@ static void render_titlebar(struct sway_output *output,
&texture_box.width, &texture_box.height);
title_ob_width = texture_box.width;
// The title texture might be shorter than the config->font_height, in
// which case we need to pad it as evenly as possible above and below.
int ob_padding_total = config->font_height * output_scale -
texture_box.height;
int ob_padding_above = floor(ob_padding_total / 2);
int ob_padding_below = ceil(ob_padding_total / 2);
// The title texture might be shorter than the config->font_height,
// in which case we need to pad it above and below.
int ob_padding_above = (config->font_baseline - con->title_baseline)
* output_scale;
int ob_padding_below = (config->font_height - con->title_height)
* output_scale - ob_padding_above;
// Render texture
texture_box.x = (x - output_x + TITLEBAR_H_PADDING) * output_scale;