Stopping the console when a task is in foreground

include/console.h

@@ -6,6 +6,8 @@
 #include "unicode.h"
 
 void console_init(void);
+void console_start(void);
+void console_stop(void);
 void cout_clear(void);
 void cin_clear(void);
 void cout_putc(unicode_char c);

src/console.c

@@ -47,7 +47,6 @@ void console_init(void)
         CONSOLE_MAX_COLS,
         cin_data
     );
-    register_editor_key_event_listener(console_editor_key_event_listener);
 }
 
 void cout_clear() {
@@ -63,6 +62,18 @@ void cin_clear() {
     window_glyph_to_framebuffer(&cin_win, cin_cursor_y, cin_cursor_x, true);
 }
 
+void console_start(void)
+{
+    cout_clear();
+    cin_clear();
+    register_editor_key_event_listener(console_editor_key_event_listener);
+}
+
+void console_stop(void)
+{
+    unregister_editor_key_event_listener(console_editor_key_event_listener);
+}
+
 void cout_putc(uint32_t c)
 {
     int col = cout_cursor_x;

src/kernel.c

@@ -59,6 +59,7 @@ void _start() {
 
     fb_init();
     console_init();
+    console_start();
 
     cpu_init();
     interrupt_handler_register(0x08, double_fault_handler);
@@ -78,8 +79,10 @@ void _start() {
         // do nothing. PS2 controller should send interrupts.
         __asm__("hlt");
         if (task) {
+            console_stop();
             task();
             task = NULL;
+            console_start();
         }
     }
 }

src/window.c

@@ -225,3 +225,4 @@ glyph window_get(struct window *win, unsigned int row, unsigned int col) {
     }
     return win->data[row * win->num_cols + col];
 }
+