From e26bc35d04c136a142da37a87f6ba47940399879 Mon Sep 17 00:00:00 2001
From: Leo Tenenbaum <pommicket@gmail.com>
Date: Thu, 31 Dec 2020 14:25:30 -0500
Subject: started color customization

---
 colors.c   | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 main.c     |  3 ++-
 ted-base.c |  4 ++++
 3 files changed, 71 insertions(+), 1 deletion(-)
 create mode 100644 colors.c

diff --git a/colors.c b/colors.c
new file mode 100644
index 0000000..d3952c3
--- /dev/null
+++ b/colors.c
@@ -0,0 +1,65 @@
+ENUM_U16 {
+	COLOR_UNKNOWN,
+
+	COLOR_BG,
+	COLOR_CURSOR,
+	COLOR_CURSOR_LINE_BG,
+	COLOR_BORDER,
+	COLOR_TEXT,
+	COLOR_SELECTION_BG,
+	COLOR_SELECTION_TEXT,
+
+	COLOR_COUNT
+} ENUM_U16_END(ColorSetting);
+
+typedef struct {
+	ColorSetting setting;
+	char const *name;
+} ColorName;
+
+static ColorName const color_names[COLOR_COUNT] = {
+	{COLOR_UNKNOWN, "unknown"},
+	{COLOR_BG, "bg"},
+	{COLOR_CURSOR, "cursor"},
+	{COLOR_CURSOR_LINE_BG, "cursor-line-bg"},
+	{COLOR_BORDER, "border"},
+	{COLOR_TEXT, "text"},
+	{COLOR_SELECTION_BG, "selection-bg"},
+	{COLOR_SELECTION_TEXT, "selection-text"}
+};
+
+static ColorSetting color_setting_from_str(char const *str) {
+	// @OPTIM: sort color_names, binary search
+	for (int i = 0; i < COLOR_COUNT; ++i) {
+		ColorName const *n = &color_names[i];
+		if (streq(n->name, str))
+			return n->setting;
+	}
+	return COLOR_UNKNOWN;
+}
+
+static char const *color_setting_to_str(ColorSetting s) {
+	for (int i = 0; i < COLOR_COUNT; ++i) {
+		ColorName const *n = &color_names[i];
+		if (n->setting == s)
+			return n->name;
+	}
+	return "???";
+}
+
+// converts #rrggbb/#rrggbbaa to a color. returns false if it's not in the right format.
+static Status color_from_str(char const *str, u32 *color) {
+	uint r = 0, g = 0, b = 0, a = 0xff;
+	size_t len = strlen(str);
+	if (len == 7) {
+		sscanf(str, "#%02x%02x%02x", &r, &g, &b);
+	} else if (len == 9) {
+		sscanf(str, "#%02x%02x%02x%02x", &r, &g, &b, &a);
+	} else {
+		return false;
+	}
+	if (r > 0xff || g > 0xff || b > 0xff) return false;
+	if (color)
+		*color = (u32)r << 24 | (u32)g << 16 | (u32)b << 8 | (u32)a;
+	return true;
+}
diff --git a/main.c b/main.c
index c941ca9..de4f262 100644
--- a/main.c
+++ b/main.c
@@ -12,9 +12,10 @@ no_warn_end
 #include <wctype.h>
 
 #include "command.h"
+#include "util.c"
+#include "colors.c"
 #include "time.c"
 #include "unicode.h"
-#include "util.c"
 #define MATH_GL
 #include "math.c"
 #include "text.h"
diff --git a/ted-base.c b/ted-base.c
index 1024404..8771f02 100644
--- a/ted-base.c
+++ b/ted-base.c
@@ -4,6 +4,10 @@ typedef struct {
 	i64 argument;
 } KeyAction;
 
+typedef struct {
+	u32 colors[COLOR_COUNT];
+} Settings;
+
 #define SCANCODE_COUNT 0x120 // SDL scancodes should be less than this value.
 // a "key combo" is some subset of {control, shift, alt} + some key.
 #define KEY_COMBO_COUNT (SCANCODE_COUNT << 3)
-- 
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