From b97ec93748902c90f25524116d3d189f1b263474 Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Wed, 8 Feb 2023 17:12:23 +0100
Subject: make ls cooler

---
 lib/aec/Makefile |  2 +-
 lib/aec/aec.c    | 33 ++++++++++++++++++++++++++++++++-
 lib/aec/aec.h    |  5 +++++
 lib/tctl/tctl.c  | 12 ++++++++++--
 lib/tctl/tctl.h  | 12 ++++++++++++
 5 files changed, 60 insertions(+), 4 deletions(-)

(limited to 'lib')

diff --git a/lib/aec/Makefile b/lib/aec/Makefile
index c7f78b6..e2179f8 100644
--- a/lib/aec/Makefile
+++ b/lib/aec/Makefile
@@ -1,3 +1,3 @@
 unit_test:
-	gcc aec.c ../io/io.c ../cstr/cstr.c ../env/env.c ../sys/start.S -o test -static -nostdlib -fno-stack-protector -Wno-implicit-function-declaration -fno-builtin -DAEC_UNIT_TEST -g
+	gcc aec.c ../malloc/malloc.c ../io/io.c ../cstr/cstr.c ../env/env.c ../sys/start.S -o test -static -nostdlib -fno-stack-protector -Wno-implicit-function-declaration -fno-builtin -DAEC_UNIT_TEST -g
 	./test
diff --git a/lib/aec/aec.c b/lib/aec/aec.c
index 92a1f08..2d3d47c 100644
--- a/lib/aec/aec.c
+++ b/lib/aec/aec.c
@@ -2,7 +2,7 @@
 
 #include "../io/io.h"
 
-#define csi() wstd("\033[");
+#define csi() wstd("\033[")
 
 void sgr(const char *attrs)
 {
@@ -29,9 +29,40 @@ void background(const char *code)
 	wstd("m");
 }
 
+
+void clear_screen()
+{
+	csi();
+	wstd("2J");
+}
+
+
+void clear_line()
+{
+	csi();
+	wstd("2K");
+}
+
+
+void move_cursor(int x, int y)
+{
+	csi();
+	wstdf("%i;%iH", y, x);
+}
+
+
+void cursor_enabled(int is_enabled)
+{
+	csi();
+	wstd("?25");
+	wstd(is_enabled ? "h" : "l");
+}
+
 #ifdef AEC_UNIT_TEST
 
 int main() {
+	clear_screen();
+	move_cursor(1, 1);
 	sgr(SGR_BOLD);
 	wstd("Hallo");
 	sgr(SGR_RESET);
diff --git a/lib/aec/aec.h b/lib/aec/aec.h
index 70c2706..b273e4a 100644
--- a/lib/aec/aec.h
+++ b/lib/aec/aec.h
@@ -38,4 +38,9 @@ void sgr(const char *attrs);
 void foreground(const char *code);
 void background(const char *code);
 
+void clear_screen();
+void clear_line();
+void move_cursor(int x, int y);
+void cursor_enabled(int is_enabled);
+
 #endif
diff --git a/lib/tctl/tctl.c b/lib/tctl/tctl.c
index 54034f4..187d1a9 100644
--- a/lib/tctl/tctl.c
+++ b/lib/tctl/tctl.c
@@ -3,16 +3,24 @@
 
 #define GET_WIN_SIZE 0x5413
 #define SET_WIN_SIZE 0x5414
+#define TC_GET_ATTR  0x5401
 
 window_size_t tctl_get_window_size()
 {
 	window_size_t ws;
-	ioctl(0, GET_WIN_SIZE, &ws);
+	ioctl(1, GET_WIN_SIZE, &ws);
 	return ws;
 }
 
 
 void tctl_set_window_size(window_size_t size)
 {
-	ioctl(0, SET_WIN_SIZE, &size);
+	ioctl(1, SET_WIN_SIZE, &size);
+}
+
+
+int isatty()
+{
+	termios_t term;
+	return ioctl(1, TC_GET_ATTR, &term) == 0;
 }
diff --git a/lib/tctl/tctl.h b/lib/tctl/tctl.h
index d106818..bdcdb66 100644
--- a/lib/tctl/tctl.h
+++ b/lib/tctl/tctl.h
@@ -8,7 +8,19 @@ typedef struct {
 	unsigned short int ws_ypixel;
 } window_size_t;
 
+typedef struct {
+	unsigned int  c_iflag;
+	unsigned int  c_oflag;
+	unsigned int  c_cflag;
+	unsigned int  c_lflag;
+	unsigned char c_line;
+	unsigned char c_cc[32];
+	unsigned int  c_ispeed;
+	unsigned int  c_ospeed;
+} termios_t;
+
 window_size_t tctl_get_window_size();
 void          tctl_set_window_size(window_size_t size);
+int           isatty();
 
 #endif
-- 
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