perf ui browser: Make the colors configurable and change the defaults

[colors]

	# These were the old defaults

	top = red, lightgray

	medium = green, lightgray

	normal = black, lightgray

	selected = lightgray, magenta

	code = blue, lightgray

[tui]

	# Defaults if linked with libslang

	report = on

	annotate = on

	top = on

[buildid]

	# Default, disable using /dev/null

	dir = /root/.debug

#include "../util.h"

#include "../cache.h"

#include "../../perf.h"

#include "libslang.h"

#include <newt.h>

	return row;

}

static struct ui_browser__colors {

	const char *topColorFg, *topColorBg;

	const char *mediumColorFg, *mediumColorBg;

	const char *normalColorFg, *normalColorBg;

	const char *selColorFg, *selColorBg;

	const char *codeColorFg, *codeColorBg;

} ui_browser__default_colors = {

	"red",       "lightgray",

	"green",     "lightgray",

	"black",     "lightgray",

	"lightgray", "magenta",

	"blue",	     "lightgray",

static struct ui_browser__colorset {

	const char *name, *fg, *bg;

	int colorset;

} ui_browser__colorsets[] = {

	{

		.colorset = HE_COLORSET_TOP,

		.name	  = "top",

		.fg	  = "red",

		.bg	  = "black",

	},

	{

		.colorset = HE_COLORSET_MEDIUM,

		.name	  = "medium",

		.fg	  = "green",

		.bg	  = "black",

	},

	{

		.colorset = HE_COLORSET_NORMAL,

		.name	  = "normal",

		.fg	  = "brightgreen",

		.bg	  = "black",

	},

	{

		.colorset = HE_COLORSET_SELECTED,

		.name	  = "selected",

		.fg	  = "black",

		.bg	  = "lightgray",

	},

	{

		.colorset = HE_COLORSET_CODE,

		.name	  = "code",

		.fg	  = "blue",

		.bg	  = "black",

	},

	{

		.name = NULL,

	}

};

static int ui_browser__color_config(const char *var, const char *value,

				    void *data __used)

{

	char *fg = NULL, *bg;

	int i;

	/* same dir for all commands */

	if (prefixcmp(var, "colors.") != 0)

		return 0;

	for (i = 0; ui_browser__colorsets[i].name != NULL; ++i) {

		const char *name = var + 7;

		if (strcmp(ui_browser__colorsets[i].name, name) != 0)

			continue;

		fg = strdup(value);

		if (fg == NULL)

			break;

		bg = strchr(fg, ',');

		if (bg == NULL)

			break;

		*bg = '\0';

		while (isspace(*++bg));

		ui_browser__colorsets[i].bg = bg;

		ui_browser__colorsets[i].fg = fg;

		return 0;

	}

	free(fg);

	return -1;

}

void ui_browser__init(void)

{

	struct ui_browser__colors *c = &ui_browser__default_colors;

	int i = 0;

	perf_config(ui_browser__color_config, NULL);

	sltt_set_color(HE_COLORSET_TOP, NULL, c->topColorFg, c->topColorBg);

	sltt_set_color(HE_COLORSET_MEDIUM, NULL, c->mediumColorFg, c->mediumColorBg);

	sltt_set_color(HE_COLORSET_NORMAL, NULL, c->normalColorFg, c->normalColorBg);

	sltt_set_color(HE_COLORSET_SELECTED, NULL, c->selColorFg, c->selColorBg);

	sltt_set_color(HE_COLORSET_CODE, NULL, c->codeColorFg, c->codeColorBg);

	while (ui_browser__colorsets[i].name) {

		struct ui_browser__colorset *c = &ui_browser__colorsets[i++];

		sltt_set_color(c->colorset, c->name, c->fg, c->bg);

	}

}