| 146 | } |
| 147 | |
| 148 | StepEnabled stepEnabled() const |
| 149 | { |
| 150 | if (isReadOnly()) |
| 151 | return StepNone; |
| 152 | if (text().isEmpty()) |
| 153 | return StepUpEnabled; |
| 154 | |
| 155 | StepEnabled rv = 0; |
| 156 | bool valid = false; |
| 157 | int256_t val = value(&valid); |
| 158 | if(valid) |
| 159 | { |
| 160 | if(val > minAmount) |
| 161 | rv |= StepDownEnabled; |
| 162 | if(val < totalSupply) |
| 163 | rv |= StepUpEnabled; |
| 164 | } |
| 165 | return rv; |
| 166 | } |
| 167 | |
| 168 | Q_SIGNALS: |
| 169 | void valueChanged(); |