| 165 | } |
| 166 | |
| 167 | StepEnabled stepEnabled() const |
| 168 | { |
| 169 | if (isReadOnly()) // Disable steps when AmountSpinBox is read-only |
| 170 | return StepNone; |
| 171 | if (text().isEmpty()) // Allow step-up with empty field |
| 172 | return StepUpEnabled; |
| 173 | |
| 174 | StepEnabled rv = 0; |
| 175 | bool valid = false; |
| 176 | CAmount val = value(&valid); |
| 177 | if(valid) |
| 178 | { |
| 179 | if(val > 0) |
| 180 | rv |= StepDownEnabled; |
| 181 | if(val < BitcoinUnits::maxMoney()) |
| 182 | rv |= StepUpEnabled; |
| 183 | } |
| 184 | return rv; |
| 185 | } |
| 186 | |
| 187 | Q_SIGNALS: |
| 188 | void valueChanged(); |