* Factored terminal title setting code.

* Do not try to set the terminal title if TERM=linux.

caca/caca_internals.h

@@ -156,4 +156,7 @@ extern void _push_event(caca_display_t *, caca_event_t *);
 extern int _pop_event(caca_display_t *, caca_event_t *);
 #endif
 
+/* Internal window functions */
+extern void _caca_set_term_title(char const *);
+
 #endif /* __CACA_INTERNALS_H__ */

caca/driver_ncurses.c

@@ -59,7 +59,6 @@ static caca_display_t *sigwinch_d; /* FIXME: we ought to get rid of this */
 #if defined HAVE_GETENV && defined HAVE_PUTENV
 static void ncurses_check_terminal(void);
 #endif
-static void ncurses_set_title(char const *);
 static void ncurses_write_utf32(uint32_t);
 
 struct driver_private
@@ -110,7 +109,7 @@ static int ncurses_init_graphics(caca_display_t *dp)
     setlocale(LC_ALL, "");
 #endif
 
-    ncurses_set_title("caca for ncurses");
+    _caca_set_term_title("caca for ncurses");
 
     initscr();
     keypad(stdscr, TRUE);
@@ -169,7 +168,7 @@ static int ncurses_init_graphics(caca_display_t *dp)
 
 static int ncurses_end_graphics(caca_display_t *dp)
 {
-    ncurses_set_title("");
+    _caca_set_term_title("");
     mousemask(dp->drv.p->oldmask, NULL);
     curs_set(1);
     noraw();
@@ -182,7 +181,7 @@ static int ncurses_end_graphics(caca_display_t *dp)
 
 static int ncurses_set_display_title(caca_display_t *dp, char const *title)
 {
-    ncurses_set_title(title);
+    _caca_set_term_title(title);
 
     return 0;
 }
@@ -435,12 +434,6 @@ static void ncurses_check_terminal(void)
 }
 #endif
 
-static void ncurses_set_title(char const *str)
-{
-    fprintf(stdout, "\x1b]0;%s\x07\n", str);
-    fflush(stdout);
-}
-
 static void ncurses_write_utf32(uint32_t ch)
 {
 #if defined HAVE_NCURSESW_NCURSES_H

caca/driver_slang.c

@@ -103,7 +103,6 @@ static int const slang_assoc[16*16] =
  * Local functions
  */
 static void slang_init_palette(void);
-static void slang_set_title(char const *);
 static void slang_write_utf32(uint32_t);
 
 #if defined(HAVE_SIGNAL)
@@ -125,7 +124,7 @@ static int slang_init_graphics(caca_display_t *dp)
     signal(SIGWINCH, sigwinch_handler);
 #endif
 
-    slang_set_title("caca for S-Lang");
+    _caca_set_term_title("caca for S-Lang");
 
     /* Initialise slang library */
     SLsig_block_signals();
@@ -175,7 +174,7 @@ static int slang_init_graphics(caca_display_t *dp)
 
 static int slang_end_graphics(caca_display_t *dp)
 {
-    slang_set_title("");
+    _caca_set_term_title("");
     SLtt_set_mouse_mode(0, 0);
     SLtt_set_cursor_visibility(1);
     SLang_reset_tty();
@@ -186,7 +185,7 @@ static int slang_end_graphics(caca_display_t *dp)
 
 static int slang_set_display_title(caca_display_t *dp, char const *title)
 {
-    slang_set_title(title);
+    _caca_set_term_title(title);
 
     return 0;
 }
@@ -447,12 +446,6 @@ static void slang_init_palette(void)
 #endif
 }
 
-static void slang_set_title(char const *str)
-{
-    fprintf(stdout, "\x1b]0;%s\x07\n", str);
-    fflush(stdout);
-}
-
 static void slang_write_utf32(uint32_t ch)
 {
 #ifdef HAVE_SLSMG_UTF8_ENABLE

caca/graphics.c

@@ -18,6 +18,12 @@
 #include "config.h"
 #include "common.h"
 
+#if !defined(__KERNEL__)
+#   include <stdio.h>
+#   include <stdlib.h>
+#   include <string.h>
+#endif
+
 #include "caca.h"
 #include "caca_internals.h"
 #include "cucul.h"
@@ -208,3 +214,18 @@ void _caca_handle_resize(caca_display_t *dp)
         _cucul_set_canvas_size(dp->cv, dp->resize.w, dp->resize.h);
 }
 
+void _caca_set_term_title(char const *str)
+{
+#if defined(HAVE_GETENV)
+    char *term;
+
+    term = getenv("TERM");
+
+    if(!term || !strcmp(term, "linux"))
+        return;
+#endif
+
+    fprintf(stdout, "\x1b]0;%s\x07", str);
+    fflush(stdout);
+}
+