Implement borders

Implements rendering of borders. Title text is still to do.

Implements the following configuration directives:

* client.focused
* client.focused_inactive
* client.unfocused
* client.urgent
* border
* default_border

1 files changed, 79 insertions, 0 deletions

diff --git a/sway/commands/client.c b/sway/commands/client.c
new file mode 100644
index 00000000..ce519381
--- /dev/null
+++ b/sway/commands/client.c
@@ -0,0 +1,79 @@
+#include "log.h"
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "sway/tree/container.h"
+
+static bool parse_color(char *hexstring, float (*dest)[4]) {
+        if (hexstring[0] != '#') {
+                return false;
+        }
+
+        if (strlen(hexstring) != 7) {
+                return false;
+        }
+
+        ++hexstring;
+        char *end;
+        uint32_t decimal = strtol(hexstring, &end, 16);
+
+        if (*end != '\0') {
+                return false;
+        }
+
+        (*dest)[0] = ((decimal >> 16) & 0xff) / 255.0;
+        (*dest)[1] = ((decimal >> 8) & 0xff) / 255.0;
+        (*dest)[2] = (decimal & 0xff) / 255.0;
+        (*dest)[3] = 1.0;
+        return true;
+}
+
+static struct cmd_results *handle_command(int argc, char **argv,
+                struct border_colors *class, char *cmd_name) {
+        struct cmd_results *error = NULL;
+        if ((error = checkarg(argc, cmd_name, EXPECTED_EQUAL_TO, 5))) {
+                return error;
+        }
+
+        if (!parse_color(argv[0], &class->border)) {
+                return cmd_results_new(CMD_INVALID, cmd_name,
+                                "Unable to parse border color");
+        }
+
+        if (!parse_color(argv[1], &class->background)) {
+                return cmd_results_new(CMD_INVALID, cmd_name,
+                                "Unable to parse background color");
+        }
+
+        if (!parse_color(argv[2], &class->text)) {
+                return cmd_results_new(CMD_INVALID, cmd_name,
+                                "Unable to parse text color");
+        }
+
+        if (!parse_color(argv[3], &class->indicator)) {
+                return cmd_results_new(CMD_INVALID, cmd_name,
+                                "Unable to parse indicator color");
+        }
+
+        if (!parse_color(argv[4], &class->child_border)) {
+                return cmd_results_new(CMD_INVALID, cmd_name,
+                                "Unable to parse child border color");
+        }
+
+        return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
+struct cmd_results *cmd_client_focused(int argc, char **argv) {
+        return handle_command(argc, argv, &config->border_colors.focused, "client.focused");
+}
+
+struct cmd_results *cmd_client_focused_inactive(int argc, char **argv) {
+        return handle_command(argc, argv, &config->border_colors.focused_inactive, "client.focused_inactive");
+}
+
+struct cmd_results *cmd_client_unfocused(int argc, char **argv) {
+        return handle_command(argc, argv, &config->border_colors.unfocused, "client.unfocused");
+}
+
+struct cmd_results *cmd_client_urgent(int argc, char **argv) {
+        return handle_command(argc, argv, &config->border_colors.urgent, "client.urgent");
+}