TSalis checks color availability.

3 files changed, 38 insertions, 20 deletions

diff --git a/tsalis/include/printer.h b/tsalis/include/printer.h
index 5356594..f5d8c3c 100644
--- a/tsalis/include/printer.h
+++ b/tsalis/include/printer.h
@@ -12,24 +12,25 @@ extern sword g_processGeneScroll;
 extern sword g_worldPos;
 extern sword g_worldZoom;
 
-void tsp_init             (void);
-void tsp_quit             (void);
-void tsp_onResize         (void);
-void tsp_prevPage         (void);
-void tsp_nextPage         (void);
-void tsp_scrollUp         (void);
-void tsp_scrollDown       (void);
-void tsp_scrollLeft       (void);
-void tsp_scrollRight      (void);
-void tsp_scrollToTop      (void);
-void tsp_scrollToLeft     (void);
-void tsp_zoomIn           (void);
-void tsp_zoomOut          (void);
-void tsp_prevOrganism     (void);
-void tsp_nextOrganism     (void);
-void tsp_gotoSelectedProc (void);
-void tsp_selectProcess    (sword proc);
-void tsp_moveTo           (sword loc);
-void tsp_printData        (void);
+sbool tsp_check            (void);
+void  tsp_init             (void);
+void  tsp_quit             (void);
+void  tsp_onResize         (void);
+void  tsp_prevPage         (void);
+void  tsp_nextPage         (void);
+void  tsp_scrollUp         (void);
+void  tsp_scrollDown       (void);
+void  tsp_scrollLeft       (void);
+void  tsp_scrollRight      (void);
+void  tsp_scrollToTop      (void);
+void  tsp_scrollToLeft     (void);
+void  tsp_zoomIn           (void);
+void  tsp_zoomOut          (void);
+void  tsp_prevOrganism     (void);
+void  tsp_nextOrganism     (void);
+void  tsp_gotoSelectedProc (void);
+void  tsp_selectProcess    (sword proc);
+void  tsp_moveTo           (sword loc);
+void  tsp_printData        (void);
 
 #endif
diff --git a/tsalis/src/printer.c b/tsalis/src/printer.c
index 9d82fc8..88da4a8 100644
--- a/tsalis/src/printer.c
+++ b/tsalis/src/printer.c
@@ -90,10 +90,22 @@ adjustWorld(void)
 	}
 }
 
+sbool
+tsp_check(void)
+{
+	initscr();
+
+	if (!has_colors()) {
+		endwin();
+		return SFALSE;
+	}
+
+	return STRUE;
+}
+
 void
 tsp_init(void)
 {
-	initscr();
 	cbreak();
 	noecho();
 	curs_set(0);
diff --git a/tsalis/src/tsalis.c b/tsalis/src/tsalis.c
index f578e8f..7722ca9 100644
--- a/tsalis/src/tsalis.c
+++ b/tsalis/src/tsalis.c
@@ -52,6 +52,11 @@ onLoad(const char *fileName)
 static void
 init(int argc, char **argv)
 {
+	if (!tsp_check()) {
+		fputs("ERROR: Terminal not supported\n", stderr);
+		exit(1);
+	}
+
 	if (argc == 1) {
 		onDefault();
 	} else if (argc == 2) {