terminal: abstract terminal color handling

Instead of making msg.c an ifdef hell for unix vs. windows code, move
the code to separate functions defined in terminal-unix.c/terminal-
win.c.

Drop the code that selects random colors for --msgmodule prefixes.

1 files changed, 43 insertions, 5 deletions

diff --git a/osdep/terminal-win.c b/osdep/terminal-win.c
index a56d1a409c..cee2ab395a 100644
--- a/osdep/terminal-win.c
+++ b/osdep/terminal-win.c
@@ -28,10 +28,25 @@
 #include <stdint.h>
 #include <string.h>
 #include <windows.h>
+#include <io.h>
 #include "input/keycodes.h"
 #include "input/input.h"
 #include "terminal.h"
 
+#define hSTDOUT GetStdHandle(STD_OUTPUT_HANDLE)
+#define hSTDERR GetStdHandle(STD_ERROR_HANDLE)
+static short stdoutAttrs = 0;
+static const unsigned char ansi2win32[8] = {
+    0,
+    FOREGROUND_RED,
+    FOREGROUND_GREEN,
+    FOREGROUND_GREEN | FOREGROUND_RED,
+    FOREGROUND_BLUE,
+    FOREGROUND_BLUE  | FOREGROUND_RED,
+    FOREGROUND_BLUE  | FOREGROUND_GREEN,
+    FOREGROUND_BLUE  | FOREGROUND_GREEN | FOREGROUND_RED,
+};
+
 int mp_input_slave_cmd_func(int fd, char *dest, int size)
 {
     DWORD retval;
@@ -64,11 +79,6 @@ void get_screen_size(void)
     }
 }
 
-int load_termcap(char *termtype)
-{
-    return 0;
-}
-
 static HANDLE in;
 static int getch2_status = 0;
 
@@ -192,3 +202,31 @@ void getch2_disable(void)
         return;                // already disabled / never enabled
     getch2_status = 0;
 }
+
+bool terminal_in_background(void)
+{
+    return false;
+}
+
+void terminal_set_foreground_color(FILE *stream, int c)
+{
+    HANDLE *wstream = stream == stderr ? hSTDERR : hSTDOUT;
+    if (c < 0 || c >= 8) { // reset or invalid
+        SetConsoleTextAttribute(wstream, stdoutAttrs);
+    } else {
+        SetConsoleTextAttribute(wstream, ansi2win32[c] | FOREGROUND_INTENSITY);
+    }
+}
+
+int terminal_init(void)
+{
+    CONSOLE_SCREEN_BUFFER_INFO cinfo;
+    DWORD cmode = 0;
+    GetConsoleMode(hSTDOUT, &cmode);
+    cmode |= (ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT);
+    SetConsoleMode(hSTDOUT, cmode);
+    SetConsoleMode(hSTDERR, cmode);
+    GetConsoleScreenBufferInfo(hSTDOUT, &cinfo);
+    stdoutAttrs = cinfo.wAttributes;
+    return 0;
+}