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term: add term_font_size_{increase,decrease}()

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Daniel Eklöf 2020-02-08 14:09:06 +01:00
parent 9e2ca2b1a3
commit 89cca2a5d1
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GPG key ID: 5BBD4992C116573F
2 changed files with 54 additions and 6 deletions
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44
terminal.c
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@ -603,6 +603,7 @@ term_init(const struct config *conf, struct fdm *fdm, struct wayland *wayl,
/* Initialize configure-based terminal attributes */
*term = (struct terminal) {
.fdm = fdm,
.conf = conf,
.quit = false,
.ptmx = ptmx,
.ptmx_buffer = tll_init(),
@ -1099,6 +1100,49 @@ term_reset(struct terminal *term, bool hard)
term_damage_all(term);
}
static void
term_font_size_adjust(struct terminal *term, double amount)
{
struct font *fonts[4] = {
font_size_adjust(term->fonts[0], amount),
font_size_adjust(term->fonts[1], amount),
font_size_adjust(term->fonts[2], amount),
font_size_adjust(term->fonts[3], amount),
};
if (fonts[0] == NULL || fonts[1] == NULL ||
fonts[2] == NULL || fonts[3] == NULL)
{
for (size_t i = 0; i < 4; i++)
font_destroy(fonts[i]);
return;
}
for (size_t i = 0; i < 4; i++) {
font_destroy(term->fonts[i]);
term->fonts[i] = fonts[i];
}
term->cell_width = term->fonts[0]->space_x_advance > 0
? term->fonts[0]->space_x_advance : term->fonts[0]->max_x_advance;
term->cell_height = term->fonts[0]->height;
LOG_INFO("cell width=%d, height=%d", term->cell_width, term->cell_height);
render_resize_force(term, term->width, term->height);
}
void
term_font_size_increase(struct terminal *term)
{
term_font_size_adjust(term, 1.);
}
void
term_font_size_decrease(struct terminal *term)
{
term_font_size_adjust(term, -1.);
}
void
term_damage_rows(struct terminal *term, int start, int end)
{