main.c: Add some alternative keys for zooming

Signed-off-by: Timo Kokkonen <kaapeli@itanic.dy.fi>

diff --git a/main.c b/main.c
index 68f78ec78536f857583d7699ca25c3cd911ee7c4..e88ad1b00f1b115007018325db15533e67cc98da 100644 (file)
--- a/main.c
+++ b/main.c
@@ -47,9 +47,11 @@ static int poll_events(SDL_Surface **screen, struct camera *cam)
                                cam->speed.y = CAM_SPEED;
                                break;
                        case SDLK_PLUS:
+                       case SDLK_q:
                                cam->zoom_rate = CAM_ZOOM_RATE;
                                break;
                        case SDLK_MINUS:
+                       case SDLK_w:
                                cam->zoom_rate = 1 / CAM_ZOOM_RATE;
                                break;
                        default:
@@ -71,9 +73,11 @@ static int poll_events(SDL_Surface **screen, struct camera *cam)
                                cam->speed.y = 0;
                                break;
                        case SDLK_PLUS:
+                       case SDLK_q:
                                cam->zoom_rate = 1;
                                break;
                        case SDLK_MINUS:
+                       case SDLK_w:
                                cam->zoom_rate = 1;
                                break;
                        default: