1 files changed, 187 insertions, 0 deletions
diff --git a/src/ui_txtwindow.c b/src/ui_txtwindow.c
new file mode 100644
index 0000000..90d152d
--- /dev/null
+++ b/src/ui_txtwindow.c
@@ -0,0 +1,187 @@
+#include <stdlib.h>
+#include <string.h>
+
+#include "ui_txtwindow.h"
+
+
+struct txtwindow *
+init_txtwindow(unsigned int x, unsigned int y, unsigned int width, unsigned int height, window_func cb_update)
+{
+  struct txtwindow *a = calloc(1, sizeof(struct txtwindow));
+
+  a->x = x;
+  a->y = y;
+  a->width = width;
+  a->height = height;
+  a->active = false;
+  a->title_len = INITIAL_TITLE_LEN;
+  a->title = calloc(a->title_len+1, sizeof(char));
+  a->text = NULL;
+  a->attrs = 0;
+  a->text_attrs = 0;
+  a->window_func = cb_update;
+  return (a);
+}
+
+struct txtwindow *
+init_txtwindow_centered(unsigned int width, unsigned int height, window_func cb_update)
+{
+  unsigned int x = (ui_get_maxx()/2)-(width/2);
+  unsigned int y = (ui_get_maxy()/2)-(height/2);
+  return init_txtwindow(x, y, width, height, cb_update);
+}
+
+static void
+__free_text(struct txtwindow *a)
+{
+  if (a->text) {
+    if (a->text[0]) {
+      free(a->text[0]);
+    }
+    free(a->text);
+    a->text = NULL;
+  }
+}
+
+void
+free_txtwindow(struct txtwindow *a)
+{
+  __free_text(a);
+  if (a->title) {
+    free(a->title);
+  }
+  free(a);
+}
+
+static void
+print_wnd(struct txtwindow *a)
+{
+  int i, x = a->x, y = a->y, w = a->width, h = a->height;
+  char tmp[a->width+1];
+
+  attron(a->attrs);
+  /* print window surface */
+  memset(tmp, ' ', a->width);
+  tmp[a->width] = '\0';
+  for (i = y-1; i < y+h+1; i++)
+    mvprintw(i, x, tmp);
+  /* print window border */
+  mvhline(y-2, x, 0, w);
+  mvhline(y+h+1, x, 0, w);
+  mvvline(y-1, x-1, 0, h+3);
+  mvvline(y-1, x+w, 0, h+3);
+  /* print window border edges */
+  mvaddch(y-2, x-1, ACS_ULCORNER);
+  mvaddch(y+1+h, x-1, ACS_LLCORNER);
+  mvaddch(y-2, x+w, ACS_URCORNER);
+  mvaddch(y+1+h, x+w, ACS_LRCORNER);
+  /* print window title */
+  attroff(a->attrs);
+  attron(a->text_attrs);
+  mvprintw(y-2, x+(w/2)-((a->title_len+4)/2), "[ %s ]", a->title);
+  /* print windows text */
+  i = -1;
+  if (a->text) {
+    while ( a->text[++i] ) {
+      mvprintw(y+i, x+1, a->text[i]);
+    }
+  }
+  attroff(a->text_attrs);
+}
+
+static int
+txtwindow_cb(WINDOW *win, void *data, bool timedout)
+{
+  struct txtwindow *a = (struct txtwindow *) data;
+
+  if (a->active == true) {
+    print_wnd(a);
+    if (a->window_func) {
+      attron(a->text_attrs);
+      a->window_func(win, a, timedout);
+      attroff(a->text_attrs);
+    }
+  }
+  return (UICB_OK);
+}
+
+void inline
+register_txtwindow(struct txtwindow *a)
+{
+  struct ui_callbacks cbs;
+  cbs.ui_element = txtwindow_cb;
+  cbs.ui_input = NULL;
+  register_ui_elt(&cbs, (void *) a, NULL);
+}
+
+static size_t
+__do_textcpy(char **p_dest, size_t sz_dest, const char *p_src, size_t sz_src)
+{
+  size_t cursiz = sz_dest;
+
+  if (sz_src > sz_dest) {
+    *p_dest = (char *) realloc(*p_dest, (sz_src+1) * sizeof(char));
+    cursiz = sz_src;
+  }
+  memset(*p_dest, '\0', (cursiz+1) * sizeof(char));
+  memcpy(*p_dest, p_src, (cursiz+1) * sizeof(char));
+  return sz_src;
+}
+
+/* seperate a String with NEWLINES into an array */
+static char **
+__do_textadjust(struct txtwindow *a, char *text)
+{
+  int i = 0, rows = (int)(strlen(text) / a->width);
+  char **adj_text = calloc(rows+2, sizeof(char *));
+  char *p_strtok, *tok;
+  const char sep[] = "\n";
+
+  if (rows > a->height) goto error;
+  p_strtok = strdup(text);
+  do {
+    tok = strsep(&p_strtok, sep);
+    if (strlen(tok) > a->width) {
+      strcpy(tok+a->width-3, "...");
+      *(tok+a->width) = '\0'; 
+    }
+    adj_text[i] = tok;
+    i++;
+  } while (rows > 0);
+  return adj_text;
+error:
+  free(adj_text);
+  return NULL;
+}
+
+void
+set_txtwindow_text(struct txtwindow *a, char *text)
+{
+  char **fmt_text = __do_textadjust(a, text);
+
+  if (fmt_text) {
+    __free_text(a);
+    a->text = fmt_text;
+  }
+}
+
+void
+set_txtwindow_title(struct txtwindow *a, const char *title)
+{
+  a->title_len = __do_textcpy(&a->title, a->title_len, title, strlen(title));
+}
+
+void
+set_txtwindow_color(struct txtwindow *a, chtype wnd, chtype txt)
+{
+  a->attrs = wnd;
+  a->text_attrs = txt;
+}
+
+void
+set_txtwindow_dim(struct txtwindow *a, unsigned int w, unsigned int h)
+{
+  a->width = w;
+  a->height = h;
+}
+