Display output from a command on swaybar

This commit is contained in:
Drew DeVault 2015-12-13 08:35:39 -05:00
parent 2f89b7084d
commit 6596582bc3

View file

@ -1,5 +1,7 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h>
#include "readline.h"
#include "client/registry.h" #include "client/registry.h"
#include "client/window.h" #include "client/window.h"
#include "client/pango.h" #include "client/pango.h"
@ -25,6 +27,8 @@ struct colors {
struct box_colors binding_mode; struct box_colors binding_mode;
}; };
FILE *command;
char *line;
struct registry *registry; struct registry *registry;
struct window *window; struct window *window;
struct colors colors = { struct colors colors = {
@ -73,6 +77,16 @@ void cairo_set_source_u32(cairo_t *cairo, uint32_t color) {
(color & 0xFF) / 256.0); (color & 0xFF) / 256.0);
} }
void update() {
if (!feof(command)) {
line = read_line(command);
int l = strlen(line) - 1;
if (line[l] == '\n') {
line[l] = '\0';
}
}
}
void render() { void render() {
cairo_save(window->cairo); cairo_save(window->cairo);
cairo_set_operator(window->cairo, CAIRO_OPERATOR_CLEAR); cairo_set_operator(window->cairo, CAIRO_OPERATOR_CLEAR);
@ -82,9 +96,12 @@ void render() {
cairo_set_source_u32(window->cairo, colors.background); cairo_set_source_u32(window->cairo, colors.background);
cairo_paint(window->cairo); cairo_paint(window->cairo);
cairo_move_to(window->cairo, MARGIN, MARGIN);
cairo_set_source_u32(window->cairo, colors.statusline); cairo_set_source_u32(window->cairo, colors.statusline);
pango_printf(window, "TODO: finish bar"); int width, height;
get_text_size(window, &width, &height, "%s", line);
cairo_move_to(window->cairo, window->width - MARGIN - width, MARGIN);
pango_printf(window, "%s", line);
} }
int main(int argc, char **argv) { int main(int argc, char **argv) {
@ -110,8 +127,13 @@ int main(int argc, char **argv) {
get_text_size(window, &width, &height, "Test string for measuring purposes"); get_text_size(window, &width, &height, "Test string for measuring purposes");
window->height = height + MARGIN * 2; window->height = height + MARGIN * 2;
command = popen(argv[2], "r");
line = malloc(1024);
line[0] = '\0';
do { do {
if (window_prerender(window) && window->cairo) { if (window_prerender(window) && window->cairo) {
update();
render(); render();
window_render(window); window_render(window);
} }