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BUG: Prevent crash when deleting the last cache item

This commit is contained in:
Andy Cedilnik 2004-02-22 22:06:33 -05:00
parent 2ccce878a3
commit 183273bea2
1 changed files with 36 additions and 27 deletions
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63
Source/CursesDialog/cmCursesMainForm.cxx
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@ -241,6 +241,11 @@ void cmCursesMainForm::RePost()
// Assign the fields: 3 for each entry: label, new entry marker
// ('*' or ' ') and entry widget
m_Fields = new FIELD*[3*m_NumberOfVisibleEntries+1];
int cc;
for ( cc = 0; cc < 3 * m_NumberOfVisibleEntries+1; cc ++ )
{
m_Fields[cc] = 0;
}
// Assign fields
int j=0;
@ -1096,37 +1101,41 @@ void cmCursesMainForm::HandleInput()
// each entry consists of fields: label, isnew, value
// therefore, the label field for the is findex-2
// (findex always corresponds to the value field)
cmCursesWidget* lbl = reinterpret_cast<cmCursesWidget*>(field_userptr(
m_Fields[findex-2]));
this->m_CMakeInstance->GetCacheManager()->RemoveCacheEntry(lbl->GetValue());
std::string nextVal;
if (nextCur)
cmCursesWidget* lbl
= reinterpret_cast<cmCursesWidget*>(
field_userptr(m_Fields[findex-2]));
if ( lbl )
{
nextVal = (reinterpret_cast<cmCursesWidget*>(field_userptr(nextCur))->GetValue());
}
this->m_CMakeInstance->GetCacheManager()->RemoveCacheEntry(lbl->GetValue());
getmaxyx(stdscr, y, x);
this->RemoveEntry(lbl->GetValue());
this->RePost();
this->Render(1, 1, x, y);
if (nextCur)
{
// make the next or prev. current field after deletion
nextCur = 0;
std::vector<cmCursesCacheEntryComposite*>::iterator it;
for (it = m_Entries->begin(); it != m_Entries->end(); ++it)
{
if (nextVal == (*it)->m_Key)
{
nextCur = (*it)->m_Entry->m_Field;
}
}
std::string nextVal;
if (nextCur)
{
set_current_field(m_Form, nextCur);
nextVal = (reinterpret_cast<cmCursesWidget*>(field_userptr(nextCur))->GetValue());
}
getmaxyx(stdscr, y, x);
this->RemoveEntry(lbl->GetValue());
this->RePost();
this->Render(1, 1, x, y);
if (nextCur)
{
// make the next or prev. current field after deletion
nextCur = 0;
std::vector<cmCursesCacheEntryComposite*>::iterator it;
for (it = m_Entries->begin(); it != m_Entries->end(); ++it)
{
if (nextVal == (*it)->m_Key)
{
nextCur = (*it)->m_Entry->m_Field;
}
}
if (nextCur)
{
set_current_field(m_Form, nextCur);
}
}
}
}