tags 611221 +patch thanks FreeBSD carries a patch to fix this: http://svnweb.freebsd.org/ports/head/graphics/mupdf/files/
I'm attaching a version of this patch forward-ported to mupdf 1.4. It modifies the behavior of 'j', 'k' and the vertical mouse wheel to be able to switch pages.
Index: mupdf-1.4/platform/x11/pdfapp.c =================================================================== --- mupdf-1.4.orig/platform/x11/pdfapp.c 2014-04-11 08:10:41.000000000 -0700 +++ mupdf-1.4/platform/x11/pdfapp.c 2014-04-20 15:30:52.479324451 -0700 @@ -1122,11 +1122,15 @@ break; case 'j': + if (app->pany + fz_pixmap_height(app->ctx, app->image) <= app->winh) + goto pagedown; app->pany -= fz_pixmap_height(app->ctx, app->image) / 10; pdfapp_showpage(app, 0, 0, 1, 0, 0); break; case 'k': + if (app->pany >= 0) + goto pageup; app->pany += fz_pixmap_height(app->ctx, app->image) / 10; pdfapp_showpage(app, 0, 0, 1, 0, 0); break; @@ -1194,6 +1198,7 @@ */ case ',': + pageup: panto = PAN_TO_BOTTOM; if (app->numberlen > 0) app->pageno -= atoi(app->number); @@ -1202,6 +1207,7 @@ break; case '.': + pagedown: panto = PAN_TO_TOP; if (app->numberlen > 0) app->pageno += atoi(app->number); @@ -1522,6 +1528,12 @@ int isx = (modifiers & (1<<0)); int xstep = isx ? 20 * dir : 0; int ystep = !isx ? 20 * dir : 0; + if (!isx && dir < 0 && app->pany + + fz_pixmap_height(app->ctx, app->image) <= app->winh) + pdfapp_onkey(app, 'j'); + else if (!isx && dir > 0 && app->pany >= 0) + pdfapp_onkey(app, 'k'); + else pdfapp_panview(app, app->panx + xstep, app->pany + ystep); } }
