/* NumberTextCtrl::onChar * Called when a character is entered into the control *******************************************************************/ void NumberTextCtrl::onChar(wxKeyEvent& e) { // Check if navigation key if (e.IsKeyInCategory(WXK_CATEGORY_NAVIGATION|WXK_CATEGORY_CUT)) { e.Skip(); return; } // Check if valid numeric character bool valid = false; if (e.GetKeyCode() >= '0' && e.GetKeyCode() <= '9') valid = true; if (e.GetKeyCode() == '-' || e.GetKeyCode() == '+') valid = true; if (allow_decimal && e.GetKeyCode() == '.') valid = true; if (valid) wxTextCtrl::OnChar(e); }
void wxTextCtrl::OnChar(wxKeyEvent& event) { int key = event.GetKeyCode() ; bool eat_key = false ; long from, to; if ( !IsEditable() && !event.IsKeyInCategory(WXK_CATEGORY_ARROW | WXK_CATEGORY_TAB) && !( key == WXK_RETURN && ( (m_windowStyle & wxTE_PROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) ) // && key != WXK_PAGEUP && key != WXK_PAGEDOWN && key != WXK_HOME && key != WXK_END ) { // eat it return ; } if ( !GetTextPeer()->CanClipMaxLength() ) { // Check if we have reached the max # of chars (if it is set), but still // allow navigation and deletion GetSelection( &from, &to ); if ( !IsMultiLine() && m_maxLength && GetValue().length() >= m_maxLength && !event.IsKeyInCategory(WXK_CATEGORY_ARROW | WXK_CATEGORY_TAB | WXK_CATEGORY_CUT) && !( key == WXK_RETURN && (m_windowStyle & wxTE_PROCESS_ENTER) ) && from == to ) { // eat it, we don't want to add more than allowed # of characters // TODO: generate EVT_TEXT_MAXLEN() return; } } // assume that any key not processed yet is going to modify the control m_dirty = true; switch ( key ) { case WXK_RETURN: if (m_windowStyle & wxTE_PROCESS_ENTER) { wxCommandEvent event(wxEVT_TEXT_ENTER, m_windowId); event.SetEventObject( this ); event.SetString( GetValue() ); if ( HandleWindowEvent(event) ) return; } if ( !(m_windowStyle & wxTE_MULTILINE) ) { wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow); if ( tlw && tlw->GetDefaultItem() ) { wxButton *def = wxDynamicCast(tlw->GetDefaultItem(), wxButton); if ( def && def->IsEnabled() ) { wxCommandEvent event(wxEVT_BUTTON, def->GetId() ); event.SetEventObject(def); def->Command(event); return ; } } // this will make wxWidgets eat the ENTER key so that // we actually prevent line wrapping in a single line text control eat_key = true; } break; case WXK_TAB: if ( !(m_windowStyle & wxTE_PROCESS_TAB)) { int flags = 0; if (!event.ShiftDown()) flags |= wxNavigationKeyEvent::IsForward ; if (event.ControlDown()) flags |= wxNavigationKeyEvent::WinChange ; Navigate(flags); return; } else { // This is necessary (don't know why); // otherwise the tab will not be inserted. WriteText(wxT("\t")); eat_key = true; } break; default: break; } if (!eat_key) { // perform keystroke handling event.Skip(true) ; } // osx_cocoa sends its event upon insertText #if wxOSX_USE_CARBON if ( ( key >= 0x20 && key < WXK_START ) || ( key >= WXK_NUMPAD0 && key <= WXK_DIVIDE ) || key == WXK_RETURN || key == WXK_DELETE || key == WXK_BACK) { wxCommandEvent event1(wxEVT_TEXT, m_windowId); event1.SetEventObject( this ); wxPostEvent( GetEventHandler(), event1 ); } #endif }