1 files changed, 197 insertions, 0 deletions
diff --git a/examples/ui_example/tui.c b/examples/ui_example/tui.c
new file mode 100755
index 0000000..9f911be
--- /dev/null
+++ b/examples/ui_example/tui.c
@@ -0,0 +1,197 @@
+/* dumb ui */
+#include <unistd.h>
+#include <termios.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "main.h"
+#include "conf.h"
+#include "input.h"
+#include "tui.h"
+#include "range.h"
+#include "sc.h"
+#include "cmds.h"
+#include "cmds_visual.h"
+#include "conf.h"
+#include "version.h"
+#include "file.h"
+#include "format.h"
+#include "utils/string.h"
+
+#define NB_ENABLE 0
+#define NB_DISABLE 1
+
+void ui_start_screen() {
+    printf("started screen\n");
+}
+
+void ui_stop_screen() {
+    printf("stopped screen\n");
+}
+
+void nonblock(int state) {
+    struct termios ttystate;
+    tcgetattr(STDIN_FILENO, &ttystate);
+    if (state==NB_ENABLE) {
+        ttystate.c_lflag &= ~ICANON;
+        ttystate.c_cc[VMIN] = 1;
+    } else if (state==NB_DISABLE) {
+        ttystate.c_lflag |= ICANON;
+    }
+    tcsetattr(STDIN_FILENO, TCSANOW, &ttystate);
+    return;
+}
+
+int kbhit() {
+    struct timeval tv;
+    fd_set fds;
+    tv.tv_sec = 0;
+    tv.tv_usec = 0;
+    FD_ZERO(&fds);
+    FD_SET(STDIN_FILENO, &fds); //STDIN_FILENO is 0
+    select(STDIN_FILENO+1, &fds, NULL, NULL, &tv);
+    return FD_ISSET(STDIN_FILENO, &fds);
+}
+
+/* this function asks user for input from stdin.
+ * should be non blocking and should
+ * return -1 when no key was press
+ * return 0 when key was press.
+ * it receives * wint_t as a parameter.
+ * when a valid key is press, its value its then updated in that wint_t variable.
+ */
+int ui_getch(wint_t * wd) {
+    char c;
+    int i=0;
+    nonblock(NB_ENABLE);
+    while (!i) {
+        usleep(1);
+        i=kbhit();
+        if (i!=0) {
+            c = fgetc(stdin);
+            //printf("\n you hit %c. \n",c);
+            nonblock(NB_DISABLE);
+            *wd = (wint_t) c;
+            return 0;
+        }
+    }
+    return -1;
+}
+
+/* this function asks user for input from stdin.
+ * should be blocking and should
+ * return -1 when ESC was pressed
+ * return 0 otherwise.
+ * it receives * wint_t as a parameter.
+ * when a valid key is press, its value its then updated in that wint_t variable.
+ */
+int ui_getch_b(wint_t * wd) {
+    printf("calling uigetch_b\n");
+
+    char c;
+    int i=0;
+    nonblock(NB_DISABLE);
+    while (!i) {
+        usleep(1);
+        i=kbhit();
+        if (i!=0) {
+            c = fgetc(stdin);
+            if (c == 27) {
+                nonblock(NB_ENABLE);
+                return -1;
+            }
+            printf("you hit %d %c\n", c, c);
+            *wd = (wint_t) c;
+            nonblock(NB_ENABLE);
+            return 0;
+        }
+    }
+    nonblock(NB_ENABLE);
+    return -1;
+}
+
+// sc_msg - used for sc_info, sc_error and sc_debug macros
+void ui_sc_msg(char * s, int type, ...) {
+    char t[BUFFERSIZE];
+    va_list args;
+    va_start(args, type);
+    vsprintf (t, s, args);
+    printf("%s\n", t);
+    va_end(args);
+    return;
+}
+
+// Welcome screen
+void ui_do_welcome() {
+    printf("welcome screen\n");
+    return;
+}
+
+// function that refreshes grid of screen
+// if header flag is set, the first column of screen gets refreshed
+void ui_update(int header) {
+    printf("update\n");
+    printf("value of current cell: %d %d %f\n", currow, curcol, lookat(currow, curcol)->v);
+    return;
+}
+
+// Enable cursor and echo depending on the current mode
+void ui_handle_cursor() {
+}
+
+// Print multiplier and pending operator on the status bar
+void ui_print_mult_pend() {
+    return;
+}
+
+void ui_show_header() {
+    return;
+}
+
+void ui_clr_header(int i) {
+    return;
+}
+
+void ui_print_mode() {
+    return;
+}
+
+// Draw cell content detail in header
+void ui_show_celldetails() {
+    return;
+}
+
+// error routine for yacc (gram.y)
+void yyerror(char * err) {
+    printf("%s: %.*s<=%s\n", err, linelim, line, line + linelim);
+    return;
+}
+
+int ui_get_formated_value(struct ent ** p, int col, char * value) {
+    return -1;
+}
+
+void ui_show_text(char * val) {
+    printf("%s", val);
+    return;
+}
+
+void winchg() {
+    return;
+}
+
+#ifdef XLUA
+/* function to print errors of lua scripts */
+void ui_bail(lua_State *L, char * msg) {
+    return;
+}
+#endif
+
+/* function to read text from stdin */
+char * ui_query(char * initial_msg) {
+    return NULL;
+}
+
+void ui_start_colors() {
+    return;
+}