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avoid division by zero

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Origin commit data
------------------
Commit: 49c86a38b4
Author: Jacek Jendrzej <overx300@gmail.com>
Date: 2016-04-21 (Thu, 21 Apr 2016)
This commit is contained in:
Jacek Jendrzej
2016-04-21 18:08:17 +02:00
parent f62086378c
commit a787c2990d
4 changed files with 24 additions and 18 deletions
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14
src/gui/widget/buttons.cpp
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@@ -221,12 +221,15 @@ int paintButtons( const button_label_ext * const content,
}
if (spacing >= 0)
{ /* add half of the inter-object space to the */
spacing /= count_labels; /* left and right (this might break vertical */
x_button += spacing / 2; /* alignment, but nobody is using this (yet) */
} /* and I'm don't know how it should work. */
{
int tmp = count_labels ? count_labels : 1;//avoid division by zero
/* add half of the inter-object space to the */
spacing /= tmp; /* left and right (this might break vertical */
x_button += spacing / 2; /* alignment, but nobody is using this (yet) */
} /* and I'm don't know how it should work. */
else
{
w_text = w_text ? w_text : 1;
/* shorten captions relative to their length */
for (int i = 0; i < cnt; i++)
fwidth[i] = (fwidth[i] * (w_text + spacing)) / w_text; /* spacing is negative...*/
@@ -410,8 +413,9 @@ int paintButtons( const int &x,
else
{
/* shorten captions relative to their length */
int tmp = w_text ? w_text : 1;//avoid division by zero
for (i = 0; i < cnt; i++)
fwidth[i] = (fwidth[i] * (w_text + spacing)) / w_text; /* spacing is negative...*/
fwidth[i] = (fwidth[i] * (w_text + spacing)) / tmp; /* spacing is negative...*/
spacing = 0;
}