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Refactor min autocomplete length handling in widgets sample

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Call DoUseCustomAutoComplete() function instead of using an artificial
event.

Also move the menu item in the radio group with the other
autocomplete-related commands as it's exclusive with them.
This commit is contained in:
Vadim Zeitlin
2018-01-27 01:35:47 +01:00
parent ec2bb385ef
commit a14a3de5ce
1 changed files with 25 additions and 21 deletions
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46
samples/widgets/widgets.cpp
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@@ -192,6 +192,8 @@ protected:
void OnAutoCompleteCustom(wxCommandEvent& event);
void OnAutoCompleteKeyLength(wxCommandEvent& event);
void DoUseCustomAutoComplete(size_t minLength = 1);
void OnSetHint(wxCommandEvent& event);
void OnUpdateTextUI(wxUpdateUIEvent& event)
@@ -221,9 +223,6 @@ private:
// the book containing the test pages
WidgetsBookCtrl *m_book;
//
int m_prefixMinLength;
// any class wishing to process wxWidgets events must use this macro
wxDECLARE_EVENT_TABLE();
};
@@ -393,8 +392,6 @@ WidgetsFrame::WidgetsFrame(const wxString& title)
#endif // USE_LOG
m_book = NULL;
m_prefixMinLength = 1;
#if wxUSE_MENUS
// create the menubar
wxMenuBar *mbar = new wxMenuBar;
@@ -452,9 +449,9 @@ WidgetsFrame::WidgetsFrame(const wxString& title)
wxT("&Directories names auto-completion"));
menuTextEntry->AppendRadioItem(TextEntry_AutoCompleteCustom,
wxT("&Custom auto-completion"));
menuTextEntry->AppendRadioItem(TextEntry_AutoCompleteKeyLength,
wxT("Custom with &min length"));
menuTextEntry->AppendSeparator();
menuTextEntry->Append(TextEntry_AutoCompleteKeyLength,
wxT("&Minimum key length for auto-completion"));
menuTextEntry->Append(TextEntry_SetHint, "Set help &hint");
mbar->Append(menuTextEntry, wxT("&Text"));
@@ -1036,6 +1033,11 @@ void WidgetsFrame::OnAutoCompleteDirectories(wxCommandEvent& WXUNUSED(event))
}
void WidgetsFrame::OnAutoCompleteCustom(wxCommandEvent& WXUNUSED(event))
{
DoUseCustomAutoComplete();
}
void WidgetsFrame::DoUseCustomAutoComplete(size_t minLength)
{
wxTextEntryBase *entry = CurrentPage()->GetTextEntry();
wxCHECK_RET( entry, "menu item should be disabled" );
@@ -1049,7 +1051,10 @@ void WidgetsFrame::OnAutoCompleteCustom(wxCommandEvent& WXUNUSED(event))
class CustomTextCompleter : public wxTextCompleterSimple
{
public:
CustomTextCompleter( int length ) : m_minLength( length ) {}
explicit CustomTextCompleter(size_t minLength)
: m_minLength(minLength)
{
}
virtual void GetCompletions(const wxString& prefix, wxArrayString& res) wxOVERRIDE
{
@@ -1077,12 +1082,10 @@ void WidgetsFrame::OnAutoCompleteCustom(wxCommandEvent& WXUNUSED(event))
} logCompletions(prefix, res);
// Normally it doesn't make sense to complete empty control, there
// are too many choices and listing them all wouldn't be helpful.
// Or if we know in advance that a prefix with one or two characters
// would still results in too many choices too.
if ( prefix.empty() ||
prefix.length() < static_cast<size_t>(m_minLength) )
// Wait for enough text to be entered before proposing completions:
// this is done to avoid proposing too many of them when the
// control is empty, for example.
if ( prefix.length() < m_minLength )
return;
// The only valid strings start with 3 digits so check for their
@@ -1134,10 +1137,10 @@ void WidgetsFrame::OnAutoCompleteCustom(wxCommandEvent& WXUNUSED(event))
}
}
int m_minLength;
size_t m_minLength;
};
if ( entry->AutoComplete( new CustomTextCompleter( m_prefixMinLength ) ) )
if ( entry->AutoComplete(new CustomTextCompleter(minLength)))
{
wxLogMessage("Enabled custom auto completer for \"NNN XX\" items "
"(where N is a digit and X is a letter).");
@@ -1152,16 +1155,17 @@ void WidgetsFrame::OnAutoCompleteKeyLength(wxCommandEvent& WXUNUSED(event))
{
const wxString message = "The auto-completion is triggered if and only if\n"
"the length of the search key (prefix) is at least [LENGTH].\n"
"Hint: negative values disable auto-completion.";
"Hint: 0 disables the length check completely.";
const wxString prompt = "Enter the minimum key length:";
const wxString caption = "Minimum key length";
m_prefixMinLength = wxGetNumberFromUser(message, prompt, caption, 1, -1, 100, this);
int res = wxGetNumberFromUser(message, prompt, caption, 1, 0, 100, this);
if ( res == -1 )
return;
wxCommandEvent theEvent(wxEVT_MENU, TextEntry_AutoCompleteCustom);
ProcessEventLocally(theEvent);
wxLogMessage("The minimum key length for autocomplete is %d.", res);
wxLogMessage("The minimum key length for autocomplete is : %d.", m_prefixMinLength);
DoUseCustomAutoComplete(static_cast<size_t>(res));
}
void WidgetsFrame::OnSetHint(wxCommandEvent& WXUNUSED(event))