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cmd_client_*: refactor duplicated code

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This is the second in a series of commits to refactor the color handling
in sway. This removes the duplicated color parsing code in
sway/commands/client.c. Additionally, this combines the parsing of
colors to float arrays with that in sway/config.c and introduces a
color_to_rgba function in commom/util.c.

As an added bonus, this also makes it so non of the colors in a border
color class will be changed unless all of the colors specified are
valid. This ensures that an invalid command does not get partially
applied.
This commit is contained in:
Brian Ashworth 2019-12-27 23:56:11 -05:00 committed by Simon Ser
parent 97f9f0b699
commit 66dc33296c
4 changed files with 57 additions and 99 deletions
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7
common/util.c
View file

@ -31,6 +31,13 @@ bool parse_color(const char *color, uint32_t *result) {
return true; return true;
} }
void color_to_rgba(float dest[static 4], uint32_t color) {
dest[0] = ((color >> 24) & 0xff) / 255.0;
dest[1] = ((color >> 16) & 0xff) / 255.0;
dest[2] = ((color >> 8) & 0xff) / 255.0;
dest[3] = (color & 0xff) / 255.0;
}
bool parse_boolean(const char *boolean, bool current) { bool parse_boolean(const char *boolean, bool current) {
if (strcasecmp(boolean, "1") == 0 if (strcasecmp(boolean, "1") == 0
|| strcasecmp(boolean, "yes") == 0 || strcasecmp(boolean, "yes") == 0

2
include/util.h
View file

@ -17,6 +17,8 @@ int wrap(int i, int max);
*/ */
bool parse_color(const char *color, uint32_t *result); bool parse_color(const char *color, uint32_t *result);
void color_to_rgba(float dest[static 4], uint32_t color);
/** /**
* Given a string that represents a boolean, return the boolean value. This * Given a string that represents a boolean, return the boolean value. This
* function also takes in the current boolean value to support toggling. If * function also takes in the current boolean value to support toggling. If

85
sway/commands/client.c
View file

@ -3,56 +3,13 @@
#include "sway/config.h" #include "sway/config.h"
#include "sway/output.h" #include "sway/output.h"
#include "sway/tree/container.h" #include "sway/tree/container.h"
#include "util.h"
static void rebuild_textures_iterator(struct sway_container *con, void *data) { static void rebuild_textures_iterator(struct sway_container *con, void *data) {
container_update_marks_textures(con); container_update_marks_textures(con);
container_update_title_textures(con); container_update_title_textures(con);
} }
/**
* Parse the hex string into an integer.
*/
static bool parse_color_int(char *hexstring, uint32_t *dest) {
if (hexstring[0] != '#') {
return false;
}
if (strlen(hexstring) != 7 && strlen(hexstring) != 9) {
return false;
}
++hexstring;
char *end;
uint32_t decimal = strtol(hexstring, &end, 16);
if (*end != '\0') {
return false;
}
if (strlen(hexstring) == 6) {
// Add alpha
decimal = (decimal << 8) | 0xff;
}
*dest = decimal;
return true;
}
/**
* Parse the hex string into a float value.
*/
static bool parse_color_float(char *hexstring, float dest[static 4]) {
uint32_t decimal;
if (!parse_color_int(hexstring, &decimal)) {
return false;
}
dest[0] = ((decimal >> 24) & 0xff) / 255.0;
dest[1] = ((decimal >> 16) & 0xff) / 255.0;
dest[2] = ((decimal >> 8) & 0xff) / 255.0;
dest[3] = (decimal & 0xff) / 255.0;
return true;
}
static struct cmd_results *handle_command(int argc, char **argv, static struct cmd_results *handle_command(int argc, char **argv,
struct border_colors *class, char *cmd_name) { struct border_colors *class, char *cmd_name) {
struct cmd_results *error = NULL; struct cmd_results *error = NULL;
@ -60,30 +17,28 @@ static struct cmd_results *handle_command(int argc, char **argv,
return error; return error;
} }
if (!parse_color_float(argv[0], class->border)) { struct border_colors colors = {0};
struct {
const char *name;
float *rgba[4];
} properties[] = {
{ "border", colors.border },
{ "background", colors.background },
{ "text", colors.text },
{ "indicator", colors.indicator },
{ "child_border", colors.child_border }
};
for (size_t i = 0; i < sizeof(properties) / sizeof(properties[0]); i++) {
uint32_t color;
if (!parse_color(argv[i], &color)) {
return cmd_results_new(CMD_INVALID, return cmd_results_new(CMD_INVALID,
"Unable to parse border color '%s'", argv[0]); "Invalid %s color %s", properties[i].name, argv[i]);
}
color_to_rgba(*properties[i].rgba, color);
} }
if (!parse_color_float(argv[1], class->background)) { memcpy(class, &colors, sizeof(struct border_colors));
return cmd_results_new(CMD_INVALID,
"Unable to parse background color '%s'", argv[1]);
}
if (!parse_color_float(argv[2], class->text)) {
return cmd_results_new(CMD_INVALID,
"Unable to parse text color '%s'", argv[2]);
}
if (!parse_color_float(argv[3], class->indicator)) {
return cmd_results_new(CMD_INVALID,
"Unable to parse indicator color '%s'", argv[3]);
}
if (!parse_color_float(argv[4], class->child_border)) {
return cmd_results_new(CMD_INVALID,
"Unable to parse child border color '%s'", argv[4]);
}
if (config->active) { if (config->active) {
root_for_each_container(rebuild_textures_iterator, NULL); root_for_each_container(rebuild_textures_iterator, NULL);

60
sway/config.c
View file

@ -31,6 +31,7 @@
#include "stringop.h" #include "stringop.h"
#include "list.h" #include "list.h"
#include "log.h" #include "log.h"
#include "util.h"
struct sway_config *config = NULL; struct sway_config *config = NULL;
@ -192,13 +193,6 @@ static void destroy_removed_seats(struct sway_config *old_config,
} }
} }
static void set_color(float dest[static 4], uint32_t color) {
dest[0] = ((color >> 16) & 0xff) / 255.0;
dest[1] = ((color >> 8) & 0xff) / 255.0;
dest[2] = (color & 0xff) / 255.0;
dest[3] = 1.0;
}
static void config_defaults(struct sway_config *config) { static void config_defaults(struct sway_config *config) {
if (!(config->swaynag_command = strdup("swaynag"))) goto cleanup; if (!(config->swaynag_command = strdup("swaynag"))) goto cleanup;
config->swaynag_config_errors = (struct swaynag_instance){0}; config->swaynag_config_errors = (struct swaynag_instance){0};
@ -300,37 +294,37 @@ static void config_defaults(struct sway_config *config) {
config->hide_lone_tab = false; config->hide_lone_tab = false;
// border colors // border colors
set_color(config->border_colors.focused.border, 0x4C7899); color_to_rgba(config->border_colors.focused.border, 0x4C7899FF);
set_color(config->border_colors.focused.background, 0x285577); color_to_rgba(config->border_colors.focused.background, 0x285577FF);
set_color(config->border_colors.focused.text, 0xFFFFFFFF); color_to_rgba(config->border_colors.focused.text, 0xFFFFFFFF);
set_color(config->border_colors.focused.indicator, 0x2E9EF4); color_to_rgba(config->border_colors.focused.indicator, 0x2E9EF4FF);
set_color(config->border_colors.focused.child_border, 0x285577); color_to_rgba(config->border_colors.focused.child_border, 0x285577FF);
set_color(config->border_colors.focused_inactive.border, 0x333333); color_to_rgba(config->border_colors.focused_inactive.border, 0x333333FF);
set_color(config->border_colors.focused_inactive.background, 0x5F676A); color_to_rgba(config->border_colors.focused_inactive.background, 0x5F676AFF);
set_color(config->border_colors.focused_inactive.text, 0xFFFFFFFF); color_to_rgba(config->border_colors.focused_inactive.text, 0xFFFFFFFF);
set_color(config->border_colors.focused_inactive.indicator, 0x484E50); color_to_rgba(config->border_colors.focused_inactive.indicator, 0x484E50FF);
set_color(config->border_colors.focused_inactive.child_border, 0x5F676A); color_to_rgba(config->border_colors.focused_inactive.child_border, 0x5F676AFF);
set_color(config->border_colors.unfocused.border, 0x333333); color_to_rgba(config->border_colors.unfocused.border, 0x333333FF);
set_color(config->border_colors.unfocused.background, 0x222222); color_to_rgba(config->border_colors.unfocused.background, 0x222222FF);
set_color(config->border_colors.unfocused.text, 0x88888888); color_to_rgba(config->border_colors.unfocused.text, 0x88888888);
set_color(config->border_colors.unfocused.indicator, 0x292D2E); color_to_rgba(config->border_colors.unfocused.indicator, 0x292D2EFF);
set_color(config->border_colors.unfocused.child_border, 0x222222); color_to_rgba(config->border_colors.unfocused.child_border, 0x222222FF);
set_color(config->border_colors.urgent.border, 0x2F343A); color_to_rgba(config->border_colors.urgent.border, 0x2F343AFF);
set_color(config->border_colors.urgent.background, 0x900000); color_to_rgba(config->border_colors.urgent.background, 0x900000FF);
set_color(config->border_colors.urgent.text, 0xFFFFFFFF); color_to_rgba(config->border_colors.urgent.text, 0xFFFFFFFF);
set_color(config->border_colors.urgent.indicator, 0x900000); color_to_rgba(config->border_colors.urgent.indicator, 0x900000FF);
set_color(config->border_colors.urgent.child_border, 0x900000); color_to_rgba(config->border_colors.urgent.child_border, 0x900000FF);
set_color(config->border_colors.placeholder.border, 0x000000); color_to_rgba(config->border_colors.placeholder.border, 0x000000FF);
set_color(config->border_colors.placeholder.background, 0x0C0C0C); color_to_rgba(config->border_colors.placeholder.background, 0x0C0C0CFF);
set_color(config->border_colors.placeholder.text, 0xFFFFFFFF); color_to_rgba(config->border_colors.placeholder.text, 0xFFFFFFFF);
set_color(config->border_colors.placeholder.indicator, 0x000000); color_to_rgba(config->border_colors.placeholder.indicator, 0x000000FF);
set_color(config->border_colors.placeholder.child_border, 0x0C0C0C); color_to_rgba(config->border_colors.placeholder.child_border, 0x0C0C0CFF);
set_color(config->border_colors.background, 0xFFFFFF); color_to_rgba(config->border_colors.background, 0xFFFFFFFF);
// Security // Security
if (!(config->command_policies = create_list())) goto cleanup; if (!(config->command_policies = create_list())) goto cleanup;