diff options
Diffstat (limited to 'dw/fltkviewport.cc')
| -rw-r--r-- | dw/fltkviewport.cc | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/dw/fltkviewport.cc b/dw/fltkviewport.cc index b8f4e51e..e9169495 100644 --- a/dw/fltkviewport.cc +++ b/dw/fltkviewport.cc @@ -73,6 +73,7 @@ FltkViewport::FltkViewport (int X, int Y, int W, int H, const char *label): scrollX = scrollY = scrollDX = scrollDY = 0; horScrolling = verScrolling = dragScrolling = 0; scrollbarPageMode = false; + pageOverlap = 50; gadgetOrientation[0] = GADGET_HORIZONTAL; gadgetOrientation[1] = GADGET_HORIZONTAL; @@ -434,6 +435,11 @@ void FltkViewport::setScrollStep(int step) hscrollbar->linesize(step); } +void FltkViewport::setPageOverlap(int overlap) +{ + pageOverlap = overlap; +} + void FltkViewport::setScrollbarPageMode(bool enable) { scrollbarPageMode = enable; @@ -493,13 +499,13 @@ void FltkViewport::scroll (int dx, int dy) void FltkViewport::scroll (core::ScrollCommand cmd) { if (cmd == core::SCREEN_UP_CMD) { - scroll (0, -h () + vscrollbar->linesize ()); + scroll (0, -h () + pageOverlap); } else if (cmd == core::SCREEN_DOWN_CMD) { - scroll (0, h () - vscrollbar->linesize ()); + scroll (0, h () - pageOverlap); } else if (cmd == core::SCREEN_LEFT_CMD) { - scroll (-w() + hscrollbar->linesize (), 0); + scroll (-w() + pageOverlap, 0); } else if (cmd == core::SCREEN_RIGHT_CMD) { - scroll (w() - hscrollbar->linesize (), 0); + scroll (w() - pageOverlap, 0); } else if (cmd == core::LINE_UP_CMD) { scroll (0, -vscrollbar->linesize ()); } else if (cmd == core::LINE_DOWN_CMD) { |