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daemon/powerdevilbrightnesslogic.cpp
| Show First 20 Lines • Show All 50 Lines • ▼ Show 20 Line(s) | 43 | int BrightnessLogic::action(BrightnessKeyType type) const { | |||
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| 51 | } | 51 | } | ||
| 52 | 52 | | |||
| 53 | return -1; // We shouldn't get here | 53 | return -1; // We shouldn't get here | ||
| 54 | } | 54 | } | ||
| 55 | 55 | | |||
| 56 | int BrightnessLogic::increased() const | 56 | int BrightnessLogic::increased() const | ||
| 57 | { | 57 | { | ||
| 58 | if (m_value == m_valueMax) { | 58 | if (m_value == m_valueMax) { | ||
| 59 | return -1; // ignore, we are at the maximum | 59 | return m_valueMax; // we are at the maximum already | ||
| 60 | } | 60 | } | ||
| 61 | 61 | | |||
| 62 | // Add 1 and round upwards to the nearest step | 62 | // Add 1 and round upwards to the nearest step | ||
| 63 | int step = m_steps - (m_valueMax - m_value - 1) * m_steps / m_valueMax; | 63 | int step = m_steps - (m_valueMax - m_value - 1) * m_steps / m_valueMax; | ||
| 64 | 64 | | |||
| 65 | if (m_valueMax > 100 && qRound(percentage(stepToValue(step))) <= qRound(percentage(m_value))) { | 65 | if (m_valueMax > 100 && qRound(percentage(stepToValue(step))) <= qRound(percentage(m_value))) { | ||
| 66 | // When no visible change was made, add 1 step. | 66 | // When no visible change was made, add 1 step. | ||
| 67 | // This can happen only if valueMax > 100, else 1 >= 1%. | 67 | // This can happen only if valueMax > 100, else 1 >= 1%. | ||
| 68 | step++; | 68 | step++; | ||
| 69 | } | 69 | } | ||
| 70 | 70 | | |||
| 71 | return stepToValue(step); | 71 | return stepToValue(step); | ||
| 72 | } | 72 | } | ||
| 73 | 73 | | |||
| 74 | int BrightnessLogic::decreased() const | 74 | int BrightnessLogic::decreased() const | ||
| 75 | { | 75 | { | ||
| 76 | if (m_value == 0) { | 76 | if (m_value == 0) { | ||
| 77 | return -1; // ignore, we are at the minimum | 77 | return 0; // we are at the minimum already | ||
| 78 | } | 78 | } | ||
| 79 | 79 | | |||
| 80 | // Subtract 1 and round downwards to the nearest Step | 80 | // Subtract 1 and round downwards to the nearest Step | ||
| 81 | int step = (m_value - 1) * m_steps / m_valueMax; | 81 | int step = (m_value - 1) * m_steps / m_valueMax; | ||
| 82 | 82 | | |||
| 83 | if (m_valueMax > 100 && qRound(percentage(stepToValue(step))) >= qRound(percentage(m_value))) { | 83 | if (m_valueMax > 100 && qRound(percentage(stepToValue(step))) >= qRound(percentage(m_value))) { | ||
| 84 | // When no visible change was made, subtract 1 step. | 84 | // When no visible change was made, subtract 1 step. | ||
| 85 | // This can happen only if valueMax > 100, else 1 >= 1%. | 85 | // This can happen only if valueMax > 100, else 1 >= 1%. | ||
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