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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
Download patch file Download diff file Expand all files Collapse all files

21
sway/config.c
View file

@ -807,22 +807,31 @@ int workspace_output_cmp_workspace(const void *a, const void *b) {
return lenient_strcmp(wsa->workspace, wsb->workspace);
}
static void find_font_height_iterator(struct sway_container *container,
void *data) {
static void find_font_height_iterator(struct sway_container *con, void *data) {
size_t amount_below_baseline = con->title_height - con->title_baseline;
size_t extended_height = config->font_baseline + amount_below_baseline;
if (extended_height > config->font_height) {
config->font_height = extended_height;
}
}
static void find_baseline_iterator(struct sway_container *con, void *data) {
bool *recalculate = data;
if (*recalculate) {
container_calculate_title_height(container);
container_calculate_title_height(con);
}
if (container->title_height > config->font_height) {
config->font_height = container->title_height;
if (con->title_baseline > config->font_baseline) {
config->font_baseline = con->title_baseline;
}
}
void config_update_font_height(bool recalculate) {
size_t prev_max_height = config->font_height;
config->font_height = 0;
config->font_baseline = 0;
root_for_each_container(find_font_height_iterator, &recalculate);
root_for_each_container(find_baseline_iterator, &recalculate);
root_for_each_container(find_font_height_iterator, NULL);
if (config->font_height != prev_max_height) {
arrange_root();

2
sway/debug-tree.c
View file

@ -84,7 +84,7 @@ static int draw_node(cairo_t *cairo, struct sway_node *node,
struct sway_node *focus, int x, int y) {
int text_width, text_height;
char *buffer = get_string(node);
get_text_size(cairo, "monospace", &text_width, &text_height,
get_text_size(cairo, "monospace", &text_width, &text_height, NULL,
1, false, buffer);
cairo_save(cairo);
cairo_rectangle(cairo, x + 2, y, text_width - 2, text_height);

12
sway/desktop/render.c
View file

@ -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;

10
sway/tree/container.c
View file

@ -455,8 +455,8 @@ static void update_title_texture(struct sway_container *con,
int height = con->title_height * scale;
cairo_t *c = cairo_create(NULL);
get_text_size(c, config->font, &width, NULL, scale, config->pango_markup,
"%s", con->formatted_title);
get_text_size(c, config->font, &width, NULL, NULL, scale,
config->pango_markup, "%s", con->formatted_title);
cairo_destroy(c);
cairo_surface_t *surface = cairo_image_surface_create(
@ -505,10 +505,12 @@ void container_calculate_title_height(struct sway_container *container) {
}
cairo_t *cairo = cairo_create(NULL);
int height;
get_text_size(cairo, config->font, NULL, &height, 1, config->pango_markup,
"%s", container->formatted_title);
int baseline;
get_text_size(cairo, config->font, NULL, &height, &baseline, 1,
config->pango_markup, "%s", container->formatted_title);
cairo_destroy(cairo);
container->title_height = height;
container->title_baseline = baseline;
}
/**

3
sway/tree/view.c
View file

@ -935,7 +935,8 @@ static void update_marks_texture(struct sway_view *view,
int height = view->container->title_height * scale;
cairo_t *c = cairo_create(NULL);
get_text_size(c, config->font, &width, NULL, scale, false, "%s", buffer);
get_text_size(c, config->font, &width, NULL, NULL, scale, false,
"%s", buffer);
cairo_destroy(c);
cairo_surface_t *surface = cairo_image_surface_create(