From c357c281a6dde7ec9a2d265237a2790a7e1ed306 Mon Sep 17 00:00:00 2001 From: Sebastian Neuser Date: Wed, 14 Aug 2013 00:39:05 +0200 Subject: Fix 694518: Implement continuous scrolling with keyboard. --- platform/x11/pdfapp.c | 34 ++++++++++++++++++++++++++++------ 1 file changed, 28 insertions(+), 6 deletions(-) diff --git a/platform/x11/pdfapp.c b/platform/x11/pdfapp.c index de5ce743..118490aa 100644 --- a/platform/x11/pdfapp.c +++ b/platform/x11/pdfapp.c @@ -1156,14 +1156,36 @@ void pdfapp_onkey(pdfapp_t *app, int c) break; case 'j': - app->pany -= fz_pixmap_height(app->ctx, app->image) / 10; - pdfapp_showpage(app, 0, 0, 1, 0, 0); - break; + { + int h = fz_pixmap_height(app->ctx, app->image); + if (h <= app->winh || app->pany <= app->winh - h) + { + panto = PAN_TO_TOP; + app->pageno++; + } + else + { + app->pany -= h / 10; + pdfapp_showpage(app, 0, 0, 1, 0, 0); + } + break; + } case 'k': - app->pany += fz_pixmap_height(app->ctx, app->image) / 10; - pdfapp_showpage(app, 0, 0, 1, 0, 0); - break; + { + int h = fz_pixmap_height(app->ctx, app->image); + if (h <= app->winh || app->pany == 0) + { + panto = PAN_TO_BOTTOM; + app->pageno--; + } + else + { + app->pany += h / 10; + pdfapp_showpage(app, 0, 0, 1, 0, 0); + } + break; + } case 'l': app->panx -= fz_pixmap_width(app->ctx, app->image) / 10; -- cgit v1.2.3