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-rw-r--r--src/keyevents.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/src/keyevents.c b/src/keyevents.c
index 6a5a2d0..5ca57bd 100644
--- a/src/keyevents.c
+++ b/src/keyevents.c
@@ -261,16 +261,25 @@ void feh_event_handle_keypress(XEvent * ev)
case XK_Up:
/* erroneously recognized as '+' in the *kbuf switch. Work around this. */
len = 0;
+ winwid->old_zoom = winwid->zoom;
winwid->zoom = winwid->zoom * 1.25;
- /* TODO: Center only around current view */
- winwidget_center_image(winwid);
+ winwid->im_x = (winwid->w / 2) - (((winwid->w / 2) - winwid->im_x) /
+ winwid->old_zoom * winwid->zoom);
+ winwid->im_y = (winwid->h / 2) - (((winwid->h / 2) - winwid->im_y) /
+ winwid->old_zoom * winwid->zoom);
+ winwidget_sanitise_offsets(winwid);
winwidget_render_image(winwid, 0, 1);
break;
case XK_KP_Subtract:
case XK_Down:
len = 0;
+ winwid->old_zoom = winwid->zoom;
winwid->zoom = winwid->zoom * 0.75;
- winwidget_center_image(winwid);
+ winwid->im_x = (winwid->w / 2) - (((winwid->w / 2) - winwid->im_x) /
+ winwid->old_zoom * winwid->zoom);
+ winwid->im_y = (winwid->h / 2) - (((winwid->h / 2) - winwid->im_y) /
+ winwid->old_zoom * winwid->zoom);
+ winwidget_sanitise_offsets(winwid);
winwidget_render_image(winwid, 0, 1);
break;
case XK_KP_Multiply: