osdep/terminal: Add function to get terminal pixel dimensions

osdep/terminal-dummy.c

@@ -21,6 +21,10 @@ void terminal_get_size(int *w, int *h)
 {
 }
 
+void terminal_get_size2(int *rows, int *cols, int *px_width, int *px_height)
+{
+}
+
 void mp_write_console_ansi(void *wstream, char *buf)
 {
 }

osdep/terminal-unix.c

@@ -493,6 +493,19 @@ void terminal_get_size(int *w, int *h)
     *h = ws.ws_row;
 }
 
+void terminal_get_size2(int *rows, int *cols, int *px_width, int *px_height)
+{
+    struct winsize ws;
+    if (ioctl(tty_in, TIOCGWINSZ, &ws) < 0 || !ws.ws_row || !ws.ws_col
+                                           || !ws.ws_xpixel || !ws.ws_ypixel)
+        return;
+
+    *rows = ws.ws_row;
+    *cols = ws.ws_col;
+    *px_width = ws.ws_xpixel;
+    *px_height = ws.ws_ypixel;
+}
+
 void terminal_init(void)
 {
     assert(!getch2_enabled);

osdep/terminal-win.c

@@ -106,6 +106,10 @@ void terminal_get_size(int *w, int *h)
     }
 }
 
+void terminal_get_size2(int *rows, int *cols, int *px_width, int *px_height)
+{
+}
+
 static bool has_input_events(HANDLE h)
 {
     DWORD num_events;

osdep/terminal.h

@@ -40,6 +40,9 @@ bool terminal_in_background(void);
 /* Get terminal-size in columns/rows. */
 void terminal_get_size(int *w, int *h);
 
+/* Get terminal-size in columns/rows and width/height in pixels. */
+void terminal_get_size2(int *rows, int *cols, int *px_width, int *px_height);
+
 // Windows only.
 void mp_write_console_ansi(void *wstream, char *buf);