From c72a215afba37d7d43415aa811ac84fe1c8817cc Mon Sep 17 00:00:00 2001
From: Luka Jankovic <lukjan1999@gmail.com>
Date: Wed, 2 Jul 2025 22:51:29 +0200
Subject: [PATCH] move input, handle backspace, show cursor

---
 CMakeLists.txt |   1 +
 kubo_command.c |  10 ++++-
 kubo_input.c   | 104 +++++++++++++++++++++++++++++++++++++++++++++++++
 kubo_input.h   |  26 +++++++++++++
 4 files changed, 139 insertions(+), 2 deletions(-)
 create mode 100644 kubo_input.c
 create mode 100644 kubo_input.h

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f6eb3a6..ee30305 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,6 +29,7 @@ else()
 endif()
 
 set(SOURCES
+    kubo_input.c
     kubo_command.c
     kubo_bar.c
     kubo_wall.c
diff --git a/kubo_command.c b/kubo_command.c
index 6478942..a1f2eb9 100644
--- a/kubo_command.c
+++ b/kubo_command.c
@@ -18,6 +18,12 @@
 
 #include "kubo_command.h"
 
-void kubo_command_render(struct kubo_context *context, int x, int y, int font_size) {
-    DrawText(kubo_char_arr_build_str(&context->command), x, y, font_size, WHITE);
+void kubo_command_render(struct kubo_context *context, int x, int y,
+                         int font_size) {
+    char *cmd = kubo_char_arr_build_str(&context->command);
+    DrawText(cmd, x, y, font_size, WHITE);
+
+    x += MeasureText(cmd, font_size);
+    x += 2;
+    DrawRectangle(x, y, MeasureText("x", font_size), font_size, WHITE);
 }
diff --git a/kubo_input.c b/kubo_input.c
new file mode 100644
index 0000000..106a13a
--- /dev/null
+++ b/kubo_input.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright Luka Jankovic 2025
+ *
+ * This file is part of Kubo.
+ *
+ * Kubo is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later
+ * version.
+ *
+ * Kubo is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * Kubo. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "kubo_input.h"
+
+static void key_input(struct kubo_context *context);
+static void char_input(struct kubo_context *context);
+
+static void handle_cmd_input(struct kubo_context *context);
+
+void kubo_input_handle(struct kubo_context *context) {
+    char_input(context);
+
+    if (context->state.id == KUBO_CONTEXT_COMMAND) {
+        handle_cmd_input(context);
+    }
+
+    key_input(context);
+}
+
+static void key_input(struct kubo_context *context) {
+    int key_code = GetKeyPressed();
+
+    switch (key_code) {
+    case KEY_Q:
+        kubo_context_set_state(context, KUBO_CONTEXT_NORMAL);
+        break;
+
+    case KEY_W:
+        kubo_context_set_state(context, KUBO_CONTEXT_WALL_NEW);
+        break;
+
+    case KEY_S:
+        kubo_context_set_state(context, KUBO_CONTEXT_WALL_SELECT);
+        break;
+
+    case KEY_RIGHT:
+    case KEY_UP:
+    case KEY_L:
+    case KEY_K:
+        kubo_context_select_next_wall(context);
+        break;
+
+    case KEY_LEFT:
+    case KEY_DOWN:
+    case KEY_J:
+    case KEY_H:
+        kubo_context_select_prev_wall(context);
+        break;
+
+    default:
+        break;
+    }
+}
+
+static void char_input(struct kubo_context *context) {
+    int char_code;
+    do {
+        char_code = GetCharPressed();
+
+        if (char_code && context->state.id == KUBO_CONTEXT_COMMAND) {
+            kubo_char_arr_add(&context->command, char_code);
+        } else if (char_code == ':') {
+            kubo_context_set_state(context, KUBO_CONTEXT_COMMAND);
+        }
+    } while (char_code > 0);
+}
+
+static void handle_cmd_input(struct kubo_context *context) {
+    int key_code = GetKeyPressed();
+    switch (key_code) {
+    case KEY_ESCAPE:
+        kubo_context_set_state(context, KUBO_CONTEXT_NORMAL);
+        break;
+    case KEY_ENTER:
+        kubo_context_accept_cmd(context);
+        break;
+    case KEY_DELETE:
+    case KEY_BACKSPACE:
+        if (context->command.count > 1) {
+            kubo_char_arr_pop(&context->command);
+        }
+        break;
+    default:
+        break;
+    }
+
+    return;
+}
diff --git a/kubo_input.h b/kubo_input.h
new file mode 100644
index 0000000..c44459a
--- /dev/null
+++ b/kubo_input.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright Luka Jankovic 2025
+ *
+ * This file is part of Kubo.
+ *
+ * Kubo is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later
+ * version.
+ *
+ * Kubo is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * Kubo. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef KUBO_INPUT_H
+#define KUBO_INPUT_H
+
+#include "kubo_context.h"
+
+void kubo_input_handle(struct kubo_context *context);
+
+#endif