input buffer and key repeat

1 files changed, 49 insertions, 0 deletions

diff --git a/input_field.c b/input_field.c
new file mode 100644
index 0000000..026a22c
--- /dev/null
+++ b/input_field.c
@@ -0,0 +1,49 @@
+#include <string.h>
+
+#include "input_field.h"
+#include "array.h"
+
+void type_key(client_state* state, xkb_keysym_t keysym) {
+	bool ctrl = xkb_state_mod_name_is_active(state->xkb_state, XKB_MOD_NAME_CTRL, XKB_STATE_MODS_EFFECTIVE);
+
+	// exit app
+	if ((keysym == XKB_KEY_c && ctrl) ||
+		(keysym == XKB_KEY_g && ctrl) ||
+		(keysym == XKB_KEY_Escape)) {
+
+		state->running = false;
+		return;
+	}
+
+	// submit line
+	if (keysym == XKB_KEY_Return || keysym == XKB_KEY_KP_Enter) {
+		submit_line(state);
+		return;
+	}
+
+	// delete
+	if (keysym == XKB_KEY_BackSpace || keysym == XKB_KEY_Delete) {
+		if (ctrl) {
+			array_clear(state->input_buffer);
+		} else {
+			array_pop(state->input_buffer);
+		}
+		return;
+	}
+
+	// type char into buffer
+	char buf[16] = {0};
+	int len = xkb_keysym_to_utf8(keysym, buf, sizeof(buf));
+	if (len > 0) {
+		for (int i = 0; i < strlen(buf); i++) {
+			array_add(state->input_buffer, buf[i]);
+		}
+	}
+}
+
+void submit_line(client_state* state) {
+	if (state->input_buffer) {
+		printf("%.*s\n", (int)array_size(state->input_buffer), state->input_buffer);
+		array_clear(state->input_buffer);
+	}
+}