diff options
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 69 |
1 files changed, 54 insertions, 15 deletions
@@ -92,6 +92,7 @@ int main(void) { Uint8 const *keyboard_state = SDL_GetKeyboardState(NULL); bool ctrl = keyboard_state[SDL_SCANCODE_LCTRL] || keyboard_state[SDL_SCANCODE_RCTRL]; bool shift = keyboard_state[SDL_SCANCODE_LSHIFT] || keyboard_state[SDL_SCANCODE_RSHIFT]; + bool alt = keyboard_state[SDL_SCANCODE_LALT] || keyboard_state[SDL_SCANCODE_RALT]; while (SDL_PollEvent(&event)) { // @TODO: make a function to handle text buffer events @@ -123,26 +124,64 @@ int main(void) { buffer_scroll(buffer, 0, +buffer_display_lines(buffer)); break; case SDLK_RIGHT: - if (shift) { - buffer_select_right(buffer, 1); - } else { - if (ctrl) - buffer_cursor_move_right_words(buffer, 1); - else - buffer_cursor_move_right(buffer, 1); + if (!alt) { + if (shift) { + if (ctrl) + buffer_select_right_words(buffer, 1); + else + buffer_select_right(buffer, 1); + } else { + if (ctrl) + buffer_cursor_move_right_words(buffer, 1); + else + buffer_cursor_move_right(buffer, 1); + } } break; case SDLK_LEFT: - if (ctrl) - buffer_cursor_move_left_words(buffer, 1); - else - buffer_cursor_move_left(buffer, 1); + if (!alt) { + if (shift) { + if (ctrl) + buffer_select_left_words(buffer, 1); + else + buffer_select_left(buffer, 1); + } else { + if (ctrl) + buffer_cursor_move_left_words(buffer, 1); + else + buffer_cursor_move_left(buffer, 1); + } + } break; case SDLK_UP: - buffer_cursor_move_up(buffer, 1); + if (!alt) { + if (shift) { + if (ctrl) + buffer_select_up(buffer, 10); + else + buffer_select_up(buffer, 1); + } else { + if (ctrl) + buffer_cursor_move_up(buffer, 10); + else + buffer_cursor_move_up(buffer, 1); + } + } break; case SDLK_DOWN: - buffer_cursor_move_down(buffer, 1); + if (!alt) { + if (shift) { + if (ctrl) + buffer_select_down(buffer, 10); + else + buffer_select_down(buffer, 1); + } else { + if (ctrl) + buffer_cursor_move_down(buffer, 10); + else + buffer_cursor_move_down(buffer, 1); + } + } break; case SDLK_RETURN: buffer_insert_char_at_cursor(buffer, U'\n'); @@ -194,8 +233,8 @@ int main(void) { time_at_last_frame = time_this_frame; } - if (ctrl) { - // control + arrow keys to scroll + if (alt) { + // alt + arrow keys to scroll double scroll_speed = 20.0; double scroll_amount_x = scroll_speed * frame_dt * 1.5; // characters are taller than they are wide double scroll_amount_y = scroll_speed * frame_dt; |