void
TermView::_PushLine(int cols, const VTermScreenCell* cells)
{
ScrollBufferItem* item = (ScrollBufferItem*)malloc(sizeof(int)
+ cols * sizeof(VTermScreenCell));
item->cols = cols;
memcpy(item->cells, cells, cols * sizeof(VTermScreenCell));
fScrollBuffer.AddItem(item, 0);
free(fScrollBuffer.RemoveItem(kScrollBackSize));
int availableRows, availableCols;
vterm_get_size(fTerm, &availableRows, &availableCols);
VTermRect dirty;
dirty.start_col = 0;
dirty.end_col = availableCols;
dirty.end_row = 0;
dirty.start_row = -fScrollBuffer.CountItems();
// FIXME we should rather use CopyRect if possible, and only invalidate the
// newly exposed area here.
Invalidate(_GlyphsToPixels(dirty));
BScrollBar* scrollBar = ScrollBar(B_VERTICAL);
if (scrollBar != NULL) {
float range = (fScrollBuffer.CountItems() + availableRows)
* fFontHeight;
scrollBar->SetRange(availableRows * fFontHeight - range, 0.0f);
// TODO we need to adjust this in FrameResized, as availableRows can
// change
scrollBar->SetProportion(availableRows * fFontHeight / range);
scrollBar->SetSteps(fFontHeight, fFontHeight * 3);
}
}
void
TermView::_MoveCursor(VTermPos pos, VTermPos oldPos, int visible)
{
VTermRect r;
r.start_row = pos.row;
r.start_col = pos.col;
r.end_col = pos.col + 1;
r.end_row = pos.row + 1;
Invalidate(_GlyphsToPixels(r));
r.start_row = oldPos.row;
r.start_col = oldPos.col;
r.end_col = oldPos.col + 1;
r.end_row = oldPos.row + 1;
Invalidate(_GlyphsToPixels(r));
}
void
TermView::_MoveCursor(VTermPos pos, VTermPos oldPos, int visible)
{
VTermRect r;
// We need to erase the cursor from its old position
r.start_row = oldPos.row;
r.start_col = oldPos.col;
r.end_col = oldPos.col + 1;
r.end_row = oldPos.row + 1;
Invalidate(_GlyphsToPixels(r));
// And we need to draw it at the new one
r.start_row = pos.row;
r.start_col = pos.col;
r.end_col = pos.col + 1;
r.end_row = pos.row + 1;
Invalidate(_GlyphsToPixels(r));
}
BRect
TermView::_GlyphsToPixels(const int width, const int height) const
{
VTermRect rect;
rect.start_row = 0;
rect.start_col = 0;
rect.end_row = height;
rect.end_col = width;
return _GlyphsToPixels(rect);
}
void
TermView::_Damage(VTermRect rect)
{
Invalidate(_GlyphsToPixels(rect));
}
