feature: layout command to change between us and fr layouts

src/shell/commands/layout_cmd.c

@@ -0,0 +1,19 @@
+#include "keyboard.h"
+#include "kprintf.h"
+#include "string.h"
+
+extern char const **keymap;
+
+void layout_cmd(char *arg)
+{
+	if (!strcmp(arg, "us") || !strcmp(arg, "qwerty")) {
+		kprintf("Successfully changed layout to us/qwerty\n");
+		keymap = qwerty_keymap;
+	} else if (!strcmp(arg, "fr") || !strcmp(arg, "azerty")) {
+		kprintf("Successfully changed layout to fr/azerty\n");
+		keymap = azerty_keymap;
+	} else {
+		kprintf(
+		    "Invalid argument: please type us|qwerty or fr|azerty\n");
+	}
+}

src/shell/exec.c

@@ -30,6 +30,7 @@ const struct shell_command cmds[] = {
     {"date", "Display the current time and date", date_cmd},
     {"merdella", "Surprise", merdella_cmd},
     {"color", "Change the screen color", color_cmd},
+    {"layout", "Change the current layout (us or fr)", layout_cmd},
 };
 
 #define NB_CMDS ARRAY_SIZE(cmds)

src/terminal/get.c

@@ -4,6 +4,8 @@
 #include "sys/io.h"
 #include "terminal.h"
 
+char const **keymap = qwerty_keymap;
+
 struct key_event terminal_getkey(void)
 {
 	static bool caps_mode = false;