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fix bug that didn't reset text_editor content offset(#193)

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This commit is contained in:
Jinhao 2017-03-26 04:56:43 +08:00
parent 24c1b292cc
commit d0f217fbac
1 changed files with 21 additions and 0 deletions
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21
source/gui/widgets/skeletons/text_editor.cpp
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@ -1661,6 +1661,27 @@ namespace nana{ namespace widgets
impl_->counterpart.buffer.make(r.dimension());
impl_->capacities.behavior->pre_calc_lines(width_pixels());
if (points_.offset.x > 0)
{
auto maxline = textbase().max_line();
nana::size text_size = _m_text_extent_size(textbase().getline(maxline.first).c_str(), maxline.second);
text_size.width += 1;
points_.offset.x = (std::max)(0,
static_cast<int>(text_size.width + 1) - static_cast<int>(this->width_pixels())
);
}
if (points_.offset.y > 0)
{
auto const lines = impl_->capacities.behavior->take_lines();
auto const scr_lines = this->screen_lines();
_m_offset_y((std::max)(static_cast<int>(lines)-static_cast<int>(scr_lines), 0));
}
_m_scrollbar();
move_caret(points_.caret);