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The title block template editor now displays a tooltip with the edited template's minimum and maximum widths.

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/branches/0.3@1540 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
xavier
2012-02-28 18:54:34 +00:00
parent ef2958eab1
commit fac0fea239
4 changed files with 114 additions and 0 deletions
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63
sources/titleblocktemplate.cpp
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@@ -794,6 +794,69 @@ QList<int> TitleBlockTemplate::rowsHeights() const {
return(rows_heights_);
}
/**
@param a column type
@return the count of \a type columns
*/
int TitleBlockTemplate::columnTypeCount(QET::TitleBlockColumnLength type) {
int count = 0;
for (int i = 0 ; i < columns_width_.count() ; ++ i) {
if (columns_width_.at(i).type == type) ++ count;
}
return(count);
}
/**
@param a column type
@return the sum of values attached to \a type columns
*/
int TitleBlockTemplate::columnTypeTotal(QET::TitleBlockColumnLength type) {
int total = 0;
for (int i = 0 ; i < columns_width_.count() ; ++ i) {
if (columns_width_.at(i).type == type) {
total += columns_width_.at(i).value;
}
}
return(total);
}
/**
@return the minimum width for this template
*/
int TitleBlockTemplate::minimumWidth() {
// Abbreviations: ABS: absolute, RTT: relative to total, RTR: relative to
// remaining, TOT: total diagram/TBT width (variable).
// Minimum size may be enforced by ABS and RTT widths:
// TOT >= ((sum(REL)/100)*TOT)+sum(ABS)
// => (1 - (sum(REL)/100))TOT >= sum(ABS)
// => TOT >= sum(ABS) / (1 - (sum(REL)/100))
// => TOT >= sum(ABS) / ((100 - sum(REL))/100))
return(
qRound(
columnTypeTotal(QET::Absolute)
/
((100.0 - columnTypeTotal(QET::RelativeToTotalLength)) / 100.0)
)
);
}
/**
@return the maximum width for this template, or -1 if it does not have any.
*/
int TitleBlockTemplate::maximumWidth() {
if (columnTypeCount(QET::Absolute) == columns_width_.count()) {
// The template is composed of absolute widths only,
// therefore it may not extend beyond their sum.
return(columnTypeTotal(QET::Absolute));
}
return(-1);
}
/**
@return the total effective width of this template
@param total_width The total width initially planned for the rendering