Add safeguards against illegal rows/cols values.

[plomrogue2-experiments] / new2 / rogue_chat_nocanvas_monochrome.html

diff --git a/new2/rogue_chat_nocanvas_monochrome.html b/new2/rogue_chat_nocanvas_monochrome.html
index ffe0132ab03349d21dc9454f61790fc4afeced08..96ad0545ed55988a633f4e2f0b37a0f7804a53f0 100644 (file)
--- a/new2/rogue_chat_nocanvas_monochrome.html
+++ b/new2/rogue_chat_nocanvas_monochrome.html
@@ -200,17 +200,27 @@ let tui = {
   height_turn_line: 1,
   height_mode_line: 1,
   height_input: 1,
-  key_up: 'w',
-  key_down: 's',
-  key_left: 'a',
-  key_right: 'd',
-  movement_keys_desc: 'w, a, s, d',
   init: function() {
       this.inputEl = document.getElementById("input");
       this.inputEl.focus();
       this.recalc_input_lines();
       this.height_header = this.height_turn_line + this.height_mode_line;
       this.log_msg("@ waiting for server connection ...");
+      this.init_wasd();
+  },
+  init_wasd: function() {
+    if (wasd_selector.value == 'w, a, s, d') {
+        tui.key_up = 'w';
+        tui.key_down = 's';
+        tui.key_left = 'a';
+        tui.key_right = 'd';
+    } else if (wasd_selector.value == 'arrow keys') {
+        tui.key_up = 'ArrowUp';
+        tui.key_down = 'ArrowDown';
+        tui.key_left = 'ArrowLeft';
+        tui.key_right = 'ArrowRight';
+    };
+    tui.movement_keys_desc = wasd_selector.value;
   },
   init_login: function() {
       this.log_msg("@ please enter your username:");
@@ -580,24 +590,19 @@ tui.inputEl.addEventListener('keydown', (event) => {
 }, false);
 
 wasd_selector.addEventListener('input', function() {
-    if (wasd_selector.value == 'w, a, s, d') {
-        tui.key_up = 'w';
-        tui.key_down = 's';
-        tui.key_left = 'a';
-        tui.key_right = 'd';
-    } else if (wasd_selector.value == 'arrow keys') {
-        tui.key_up = 'ArrowUp';
-        tui.key_down = 'ArrowDown';
-        tui.key_left = 'ArrowLeft';
-        tui.key_right = 'ArrowRight';
-    };
-    tui.movement_keys_desc = wasd_selector.value;
+    tui.init_wasd();
 }, false);
 rows_selector.addEventListener('input', function() {
+    if (rows_selector.value % 2 != 0) {
+        return;
+    }
     terminal.initialize();
     tui.full_refresh();
 }, false);
 cols_selector.addEventListener('input', function() {
+    if (cols_selector.value % 4 != 0) {
+        return;
+    }
     terminal.initialize();
     tui.window_width = terminal.cols / 2,
     tui.full_refresh();