AUTO RESIZING NOW WORKS WELL

cli/curse.c

@@ -43,6 +43,7 @@ void init_ncurses(void) {
 
   /* NCurses Init */
   initscr();
+  /* WARNING: no you shouldn't delwin(stdscr) it breaks everything... */
   __conf_window(stdscr);
   start_color();
 
@@ -81,34 +82,3 @@ int resizemv_window(const int x, const int y, const int width, const int height,
                     WINDOW *const win) {
   return wresize(win, height, width) || mvwin(win, y, x);
 }
-
-/*
-int main(const int argc, const char *const argv[]) {
-  init_ncurses();
-  WINDOW *stdscr = new_window(0, 0, 0, 0);
-
-  // Set background
-  wbkgd(stdscr, COLOR_PAIR(1));
-
-  attron(COLOR_PAIR(1));
-  attron(A_BOLD);
-  int counter = 0;
-  while (1) {
-    mvprintw(0, 0, "COUNTER %d", counter++);
-    refresh();
-
-    switch (getch()) {
-    case 'q':
-      goto end;
-    default:
-      break;
-    }
-
-    usleep(BASE_DELAY);
-  }
-
-end:
-  endwin();
-  return 0;
-}
-*/

cli/main.c

@@ -4,20 +4,8 @@
 
 #include <ncursesw/ncurses.h>
 
-// #include "child.h"
-#include "curse.h"
 #include "tree.h"
 
-// struct d_window {
-//   int ptmx; // fd
-// };
-
-// struct d_window new_window() {
-//   struct d_window w = {
-//     .ptmx = posix_openpt(O_RDWR | O_NOCTTY),
-//   };
-// }
-
 int main(int argc, char **argv) {
   // struct d_child child;
   // spawnchild(&child);
@@ -34,10 +22,12 @@ int main(int argc, char **argv) {
   wrefresh(tree->root->child[0]->win);
   wrefresh(tree->root->child[1]->win); 
 
+  // wbkgd(tree->root->win, COLOR_PAIR(1));
+  // wrefresh(tree->root->win);
+  
   while (1) {
     ct_update(tree);
-    // refresh();
-    // usleep(100000);
+    usleep(100000);
   }
 
   destroy_tree(tree);

cli/tree.c

@@ -3,6 +3,7 @@
 #include <string.h>
 
 #include "curse.h"
+#include "ncurses.h"
 #include "tree.h"
 
 /* Internal allocator method for crs_node structures.
@@ -152,14 +153,19 @@ static int bifurcate_dims(const struct crs_nodedims *const parent_dims,
   return 0;
 }
 
+/* NOTE: resize_node calls wnoutrefresh(3x), which expects
+ * NOTE: a call doupdate(3x) call afterwards to flush ncurses
+ * NOTE: virtual screen to the physical screen.
+ */
 static void resize_node(struct crs_node *const node,
                         struct crs_nodedims *const new_dims) {
   if (node->type == NODE_WINDOW) {
     /* Window Node */
     resizemv_window(new_dims->x, new_dims->y, new_dims->width, new_dims->height,
                     node->win);
-    wrefresh(node->win);
     free(new_dims);
+
+    wnoutrefresh(node->win);
   } else {
     /* Abstract Node */
     assert(node->type == NODE_ABSTRACT);
@@ -257,16 +263,25 @@ void resize_tree(struct crs_tree *const tree, struct crs_nodedims *const dims) {
 
 void ct_update(struct crs_tree *const tree) {
   struct crs_nodedims * term_dims;
+  int term_width, term_height;
+  const int key = wgetch(curscr);
 
-  int term_width, term_height, win_width, win_height;
+  /* ncurses binds a SIGWINCH handler if SIGWINCH has SIG_DFL disposition
+   * when initscr(3x) is called. This handler emits KEY_RESIZE (decimal 410) to stdin.
+   * REF: manpages -> resizeterm(3x) initscr(3x) wgetch(3x)
+   */
+  switch (key) {
+  case -1:
+    return;
+  case KEY_RESIZE:
     termsize(term_width, term_height);
-  nodesize(tree->root, &win_width, &win_height);
-  /* Check if window size has changed, I assume ncurses already binds
-   * a SIGWINCH handler so we can do this instead (TODO: sighandler?) */
-  if (win_width != term_width || win_height != term_height) {
     term_dims = __alloc_dims(0, 0, term_width, term_height);
     resize_tree(tree, term_dims);
+    // flush ncurses virtual screen -> physical screen
+    doupdate();
     /* TODO: why the fuck does this line make everything work?? */
-    wrefresh(tree->root->child[0]->win); 
+    // printf("hola\n");
+  default:
+    break;
   }
 }