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fix bug that label uses all ram when its width is zero.

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This commit is contained in:
Jinhao 2018-09-17 07:48:23 +08:00
parent 2de08f8f9f
commit a41eb44714
1 changed files with 6 additions and 1 deletions
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7
source/gui/widgets/label.cpp
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@ -311,7 +311,8 @@ namespace nana
break;
}
if (allowed_width_px < extent_size.width)
//The width is not restricted if the allowed_width_px is zero.
if (allowed_width_px && (allowed_width_px < extent_size.width))
extent_size.width = allowed_width_px;
if (transient_.current_font != pre_font)
@ -445,6 +446,10 @@ namespace nana
unsigned sub_text_px = 0;
auto sub_text_len = _m_fit_text(graph, data->text().substr(text_begin), rs.allowed_width, sub_text_px);
//At least one character must be displayed no matter whether the width is enough or not.
if (0 == sub_text_len)
sub_text_len = 1;
if (text_begin + sub_text_len < data->text().size())
{
//make a new visual line