Implement basic keyboard event handling

5 files changed, 45 insertions, 8 deletions

diff --git a/input.c b/input.c
index 17a37f6..fac8aba 100644
--- a/input.c
+++ b/input.c
@@ -97,10 +97,9 @@ void editor_move_cursor(struct editor_state* editor, int key)
 		editor->cursor_x = row_length;
 }
 
-void editor_process_keypress(struct editor_state* editor)
+void editor_process_keypress(struct editor_state* editor, int c)
 {
 	static int quit_message = 1;
-	int c = editor_read_key();
 
 	switch (c) {
 		case '\r':
@@ -112,8 +111,6 @@ void editor_process_keypress(struct editor_state* editor)
 				quit_message = 0;
 				return;
 			}
-			write(STDOUT_FILENO, "\x1b[2J", 4);
-			write(STDOUT_FILENO, "\x1b[H", 3);
 			exit(0);
 			break;
 		case CTRL_KEY('s'):
diff --git a/input.h b/input.h
index bd286b2..4b7eb05 100644
--- a/input.h
+++ b/input.h
@@ -20,6 +20,6 @@ enum editor_key {
 
 int editor_read_key();
 void editor_move_cursor(struct editor_state* editor, int key);
-void editor_process_keypress(struct editor_state* editor);
+void editor_process_keypress(struct editor_state* editor, int keycode);
 
 #endif
diff --git a/main.c b/main.c
index 3718c41..2e6bdc4 100644
--- a/main.c
+++ b/main.c
@@ -16,7 +16,7 @@ int main(int argc, char** argv)
 
 	editor_set_status_message(&editor, "HELP: Ctrl+Q = quit, Ctrl+S = save, Ctrl+F = find");
 
-	while (window_handle_event()) {
+	while (window_handle_event(&editor)) {
 		window_redraw(&editor);
 		// editor_refresh_screen(&editor);
 		// editor_process_keypress(&editor);
diff --git a/window.c b/window.c
index 81bf634..027d876 100644
--- a/window.c
+++ b/window.c
@@ -5,6 +5,7 @@
 #include "buffer.h"
 #include "editor.h"
 #include "font.h"
+#include "input.h"
 
 static SDL_Window *window = NULL;
 static SDL_Renderer *renderer = NULL;
@@ -39,13 +40,52 @@ void window_init()
 	SDL_ShowWindow(window);
 }
 
-int window_handle_event()
+int window_handle_event(struct editor_state *editor)
 {
 	static SDL_Event e;
 	SDL_WaitEvent(&e);
 	switch (e.type) {
 	case SDL_QUIT:
 		return 0;
+	case SDL_KEYDOWN:
+		int keycode = e.key.keysym.sym;
+		switch (e.key.keysym.sym) {
+		case SDLK_BACKSPACE:
+			keycode = BACKSPACE;
+			break;
+		case SDLK_LEFT:
+			keycode = ARROW_LEFT;
+			break;
+		case SDLK_RIGHT:
+			keycode = ARROW_RIGHT;
+			break;
+		case SDLK_UP:
+			keycode = ARROW_UP;
+			break;
+		case SDLK_DOWN:
+			keycode = ARROW_DOWN;
+			break;
+		case SDLK_DELETE:
+			keycode = DELETE_KEY;
+			break;
+		case SDLK_HOME:
+			keycode = HOME_KEY;
+			break;
+		case SDLK_END:
+			keycode = END_KEY;
+			break;
+		case SDLK_PAGEUP:
+			keycode = PAGE_UP;
+			break;
+		case SDLK_PAGEDOWN:
+			keycode = PAGE_DOWN;
+			break;
+		}
+		if (e.key.keysym.mod & KMOD_CTRL) {
+			keycode = CTRL_KEY(keycode);
+		}
+		editor_process_keypress(editor, keycode);
+		break;
 	}
 	return 1;
 }
diff --git a/window.h b/window.h
index 0175838..1c2e019 100644
--- a/window.h
+++ b/window.h
@@ -4,7 +4,7 @@
 struct editor_state;
 
 void window_init();
-int window_handle_event();
+int window_handle_event(struct editor_state *editor);
 void window_redraw(struct editor_state *editor);
 void window_destroy();