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Start port of swaybar to layer shell

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This starts up the event loop and wayland display and shims out the
basic top level rendering concepts. Also includes some changes to
incorporate pango into the 1.x codebase properly.
This commit is contained in:
Drew DeVault 2018-03-28 23:04:20 -04:00
parent 382e8af418
commit cab1352801
23 changed files with 345 additions and 3787 deletions
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3
common/meson.build
View file

@ -1,5 +1,7 @@
deps = [
cairo,
pango,
pangocairo,
wlroots
]
@ -14,6 +16,7 @@ lib_sway_common = static_library(
'ipc-client.c',
'log.c',
'list.c',
'pango.c',
'readline.c',
'stringop.c',
'util.c'

67
common/pango.c Normal file
View file

@ -0,0 +1,67 @@
#include <cairo/cairo.h>
#include <pango/pangocairo.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
PangoLayout *get_pango_layout(cairo_t *cairo, const char *font,
const char *text, int32_t scale, bool markup) {
PangoLayout *layout = pango_cairo_create_layout(cairo);
PangoAttrList *attrs;
if (markup) {
char *buf;
pango_parse_markup(text, -1, 0, &attrs, &buf, NULL, NULL);
pango_layout_set_markup(layout, buf, -1);
free(buf);
} else {
attrs = pango_attr_list_new();
pango_layout_set_text(layout, text, -1);
}
pango_attr_list_insert(attrs, pango_attr_scale_new(scale));
PangoFontDescription *desc = pango_font_description_from_string(font);
pango_layout_set_font_description(layout, desc);
pango_layout_set_single_paragraph_mode(layout, 1);
pango_layout_set_attributes(layout, attrs);
pango_attr_list_unref(attrs);
pango_font_description_free(desc);
return layout;
}
void get_text_size(cairo_t *cairo, const char *font, int *width, int *height,
int32_t scale, bool markup, const char *fmt, ...) {
char *buf = malloc(2048);
va_list args;
va_start(args, fmt);
if (vsnprintf(buf, 2048, fmt, args) >= 2048) {
strcpy(buf, "[buffer overflow]");
}
va_end(args);
PangoLayout *layout = get_pango_layout(cairo, font, buf, scale, markup);
pango_cairo_update_layout(cairo, layout);
pango_layout_get_pixel_size(layout, width, height);
g_object_unref(layout);
free(buf);
}
void pango_printf(cairo_t *cairo, const char *font,
int32_t scale, bool markup, const char *fmt, ...) {
char *buf = malloc(2048);
va_list args;
va_start(args, fmt);
if (vsnprintf(buf, 2048, fmt, args) >= 2048) {
strcpy(buf, "[buffer overflow]");
}
va_end(args);
PangoLayout *layout = get_pango_layout(cairo, font, buf, scale, markup);
pango_cairo_update_layout(cairo, layout);
pango_cairo_show_layout(cairo, layout);
g_object_unref(layout);
free(buf);
}