@@ -1,407 +1,406 | |||
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1 | 1 | #include "axisitem_p.h" |
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2 | 2 | #include "qchartaxis.h" |
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3 | 3 | #include "chartpresenter_p.h" |
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4 | 4 | #include "chartanimator_p.h" |
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5 | 5 | #include <QPainter> |
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6 | 6 | #include <QDebug> |
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7 | 7 | |
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8 | 8 | static int label_padding = 5; |
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9 | 9 | |
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10 | 10 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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11 | 11 | |
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12 | 12 | AxisItem::AxisItem(QChartAxis* axis,ChartPresenter* presenter,AxisType type,QGraphicsItem* parent) : |
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13 | 13 | ChartItem(parent), |
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14 | 14 | m_presenter(presenter), |
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15 | 15 | m_chartAxis(axis), |
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16 | 16 | m_type(type), |
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17 | 17 | m_labelsAngle(0), |
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18 | 18 | m_grid(parent), |
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19 | 19 | m_shades(parent), |
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20 | 20 | m_labels(parent), |
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21 | 21 | m_axis(parent), |
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22 | 22 | m_min(0), |
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23 | 23 | m_max(0), |
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24 | 24 | m_ticksCount(0) |
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25 | 25 | { |
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26 | 26 | //initial initialization |
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27 | 27 | m_axis.setZValue(ChartPresenter::AxisZValue); |
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28 | 28 | m_shades.setZValue(ChartPresenter::ShadesZValue); |
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29 | 29 | m_grid.setZValue(ChartPresenter::GridZValue); |
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30 | 30 | setFlags(QGraphicsItem::ItemHasNoContents); |
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31 | 31 | |
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32 | 32 | QObject::connect(m_chartAxis,SIGNAL(updated()),this,SLOT(handleAxisUpdated())); |
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33 | 33 | QObject::connect(m_chartAxis->categories(),SIGNAL(updated()),this,SLOT(handleAxisCategoriesUpdated())); |
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34 | 34 | |
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35 | 35 | handleAxisUpdated(); |
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36 | 36 | } |
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37 | 37 | |
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38 | 38 | AxisItem::~AxisItem() |
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39 | 39 | { |
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40 | 40 | } |
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41 | 41 | |
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42 | 42 | QRectF AxisItem::boundingRect() const |
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43 | 43 | { |
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44 | 44 | return QRectF(); |
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45 | 45 | } |
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46 | 46 | |
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47 | 47 | void AxisItem::createItems(int count) |
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48 | 48 | { |
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49 | 49 | |
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50 | 50 | if(m_axis.children().size()==0) |
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51 | 51 | m_axis.addToGroup(new QGraphicsLineItem()); |
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52 | 52 | for (int i = 0; i < count; ++i) { |
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53 | 53 | m_grid.addToGroup(new QGraphicsLineItem()); |
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54 | 54 | m_labels.addToGroup(new QGraphicsSimpleTextItem()); |
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55 | 55 | m_axis.addToGroup(new QGraphicsLineItem()); |
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56 | 56 | if((m_grid.childItems().size())%2 && m_grid.childItems().size()>2) m_shades.addToGroup(new QGraphicsRectItem()); |
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57 | 57 | } |
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58 | 58 | } |
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59 | 59 | |
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60 | 60 | void AxisItem::deleteItems(int count) |
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61 | 61 | { |
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62 | 62 | QList<QGraphicsItem *> lines = m_grid.childItems(); |
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63 | 63 | QList<QGraphicsItem *> labels = m_labels.childItems(); |
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64 | 64 | QList<QGraphicsItem *> shades = m_shades.childItems(); |
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65 | 65 | QList<QGraphicsItem *> axis = m_axis.childItems(); |
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66 | 66 | |
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67 | 67 | for (int i = 0; i < count; ++i) { |
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68 | 68 | if(lines.size()%2 && lines.size()>1) delete(shades.takeLast()); |
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69 | 69 | delete(lines.takeLast()); |
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70 | 70 | delete(labels.takeLast()); |
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71 | 71 | delete(axis.takeLast()); |
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72 | 72 | } |
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73 | 73 | } |
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74 | 74 | |
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75 | 75 | void AxisItem::updateLayout(QVector<qreal>& layout) |
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76 | 76 | { |
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77 | 77 | if(m_animator){ |
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78 | 78 | m_animator->applyLayout(this,layout); |
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79 | 79 | } |
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80 | 80 | else setLayout(layout); |
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81 | 81 | } |
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82 | 82 | |
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83 | 83 | QStringList AxisItem::createLabels(int ticks, qreal min, qreal max) const |
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84 | 84 | { |
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85 | 85 | Q_ASSERT(max>=min); |
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86 | 86 | Q_ASSERT(ticks>0); |
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87 | 87 | |
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88 | 88 | QStringList labels; |
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89 | 89 | |
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90 | 90 | QChartAxisCategories* categories = m_chartAxis->categories(); |
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91 | 91 | |
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92 | 92 | for(int i=0; i< ticks; i++) { |
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93 | 93 | qreal value = min + (i * (max - min)/ (ticks-1)); |
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94 | 94 | if(categories->count()==0) { |
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95 | 95 | labels << QString::number(value); |
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96 | 96 | } |
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97 | 97 | else { |
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98 | 98 | |
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99 | 99 | QString label = categories->label(value); |
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100 | 100 | labels << label; |
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101 | 101 | } |
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102 | 102 | } |
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103 | 103 | return labels; |
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104 | 104 | } |
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105 | 105 | |
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106 | 106 | void AxisItem::setAxisOpacity(qreal opacity) |
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107 | 107 | { |
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108 | 108 | m_axis.setOpacity(opacity); |
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109 | 109 | } |
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110 | 110 | |
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111 | 111 | qreal AxisItem::axisOpacity() const |
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112 | 112 | { |
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113 | 113 | return m_axis.opacity(); |
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114 | 114 | } |
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115 | 115 | |
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116 | 116 | void AxisItem::setGridOpacity(qreal opacity) |
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117 | 117 | { |
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118 | 118 | m_grid.setOpacity(opacity); |
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119 | 119 | } |
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120 | 120 | |
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121 | 121 | qreal AxisItem::gridOpacity() const |
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122 | 122 | { |
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123 | 123 | return m_grid.opacity(); |
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124 | 124 | } |
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125 | 125 | |
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126 | 126 | void AxisItem::setLabelsOpacity(qreal opacity) |
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127 | 127 | { |
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128 | 128 | m_labels.setOpacity(opacity); |
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129 | 129 | } |
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130 | 130 | |
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131 | 131 | qreal AxisItem::labelsOpacity() const |
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132 | 132 | { |
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133 | 133 | return m_labels.opacity(); |
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134 | 134 | } |
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135 | 135 | |
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136 | 136 | void AxisItem::setShadesOpacity(qreal opacity) |
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137 | 137 | { |
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138 | 138 | m_shades.setOpacity(opacity); |
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139 | 139 | } |
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140 | 140 | |
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141 | 141 | qreal AxisItem::shadesOpacity() const |
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142 | 142 | { |
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143 | 143 | return m_shades.opacity(); |
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144 | 144 | } |
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145 | 145 | |
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146 | 146 | void AxisItem::setLabelsAngle(int angle) |
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147 | 147 | { |
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148 | 148 | foreach(QGraphicsItem* item , m_labels.childItems()) { |
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149 | 149 | QPointF center = item->boundingRect().center(); |
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150 | 150 | item->setRotation(angle); |
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151 | 151 | } |
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152 | 152 | |
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153 | 153 | m_labelsAngle=angle; |
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154 | 154 | } |
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155 | 155 | |
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156 | 156 | void AxisItem::setLabelsPen(const QPen& pen) |
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157 | 157 | { |
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158 | 158 | foreach(QGraphicsItem* item , m_labels.childItems()) { |
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159 | 159 | static_cast<QGraphicsSimpleTextItem*>(item)->setPen(pen); |
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160 | 160 | } |
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161 | 161 | } |
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162 | 162 | |
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163 | 163 | void AxisItem::setLabelsBrush(const QBrush& brush) |
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164 | 164 | { |
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165 | 165 | foreach(QGraphicsItem* item , m_labels.childItems()) { |
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166 | 166 | static_cast<QGraphicsSimpleTextItem*>(item)->setBrush(brush); |
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167 | 167 | } |
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168 | 168 | } |
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169 | 169 | |
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170 | 170 | void AxisItem::setLabelsFont(const QFont& font) |
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171 | 171 | { |
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172 | 172 | foreach(QGraphicsItem* item , m_labels.childItems()) { |
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173 | 173 | static_cast<QGraphicsSimpleTextItem*>(item)->setFont(font); |
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174 | 174 | } |
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175 | 175 | } |
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176 | 176 | |
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177 | 177 | void AxisItem::setShadesBrush(const QBrush& brush) |
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178 | 178 | { |
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179 | 179 | foreach(QGraphicsItem* item , m_shades.childItems()) { |
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180 | 180 | static_cast<QGraphicsRectItem*>(item)->setBrush(brush); |
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181 | 181 | } |
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182 | 182 | } |
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183 | 183 | |
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184 | 184 | void AxisItem::setShadesPen(const QPen& pen) |
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185 | 185 | { |
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186 | 186 | foreach(QGraphicsItem* item , m_shades.childItems()) { |
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187 | 187 | static_cast<QGraphicsRectItem*>(item)->setPen(pen); |
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188 | 188 | } |
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189 | 189 | } |
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190 | 190 | |
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191 | 191 | void AxisItem::setAxisPen(const QPen& pen) |
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192 | 192 | { |
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193 | 193 | foreach(QGraphicsItem* item , m_axis.childItems()) { |
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194 | 194 | static_cast<QGraphicsLineItem*>(item)->setPen(pen); |
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195 | 195 | } |
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196 | 196 | } |
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197 | 197 | |
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198 | 198 | void AxisItem::setGridPen(const QPen& pen) |
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199 | 199 | { |
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200 | 200 | foreach(QGraphicsItem* item , m_grid.childItems()) { |
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201 | 201 | static_cast<QGraphicsLineItem*>(item)->setPen(pen); |
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202 | 202 | } |
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203 | 203 | } |
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204 | 204 | |
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205 | 205 | QVector<qreal> AxisItem::calculateLayout() const |
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206 | 206 | { |
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207 | 207 | Q_ASSERT(m_ticksCount>=2); |
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208 | 208 | |
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209 | 209 | QVector<qreal> points; |
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210 | 210 | points.resize(m_ticksCount); |
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211 | 211 | |
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212 | 212 | switch (m_type) |
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213 | 213 | { |
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214 | 214 | case X_AXIS: |
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215 | 215 | { |
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216 | 216 | const qreal deltaX = m_rect.width()/(m_ticksCount-1); |
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217 | 217 | for (int i = 0; i < m_ticksCount; ++i) { |
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218 | 218 | int x = i * deltaX + m_rect.left(); |
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219 | 219 | points[i] = x; |
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220 | 220 | } |
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221 | 221 | } |
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222 | 222 | break; |
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223 | 223 | case Y_AXIS: |
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224 | 224 | { |
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225 | 225 | const qreal deltaY = m_rect.height()/(m_ticksCount-1); |
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226 | 226 | for (int i = 0; i < m_ticksCount; ++i) { |
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227 | 227 | int y = i * -deltaY + m_rect.bottom(); |
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228 | 228 | points[i] = y; |
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229 | 229 | } |
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230 | 230 | } |
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231 | 231 | break; |
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232 | 232 | } |
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233 | 233 | return points; |
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234 | 234 | } |
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235 | 235 | |
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236 | 236 | void AxisItem::setLayout(QVector<qreal>& layout) |
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237 | 237 | { |
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238 | 238 | int diff = m_layoutVector.size() - layout.size(); |
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239 | 239 | |
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240 | 240 | if(diff>0) { |
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241 | 241 | deleteItems(diff); |
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242 | 242 | } |
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243 | 243 | else if(diff<0) { |
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244 | 244 | createItems(-diff); |
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245 | 245 | } |
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246 | 246 | |
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247 | 247 | if(diff!=0) handleAxisUpdated(); |
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248 | 248 | |
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249 | 249 | QStringList ticksList = createLabels(layout.size(),m_min,m_max); |
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250 | 250 | |
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251 | 251 | QList<QGraphicsItem *> lines = m_grid.childItems(); |
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252 | 252 | QList<QGraphicsItem *> labels = m_labels.childItems(); |
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253 | 253 | QList<QGraphicsItem *> shades = m_shades.childItems(); |
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254 | 254 | QList<QGraphicsItem *> axis = m_axis.childItems(); |
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255 | 255 | |
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256 | 256 | Q_ASSERT(labels.size() == ticksList.size()); |
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257 | 257 | Q_ASSERT(layout.size() == ticksList.size()); |
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258 | 258 | |
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259 | 259 | switch (m_type) |
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260 | 260 | { |
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261 | 261 | case X_AXIS: |
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262 | 262 | { |
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263 | 263 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(axis.at(0)); |
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264 | 264 | lineItem->setLine(m_rect.left(), m_rect.bottom(), m_rect.right(), m_rect.bottom()); |
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265 | 265 | |
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266 | 266 | for (int i = 0; i < layout.size(); ++i) { |
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267 | 267 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(lines.at(i)); |
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268 | 268 | lineItem->setLine(layout[i], m_rect.top(), layout[i], m_rect.bottom()); |
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269 | 269 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem*>(labels.at(i)); |
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270 | 270 | labelItem->setText(ticksList.at(i)); |
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271 | 271 | QPointF center = labelItem->boundingRect().center(); |
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272 | 272 | labelItem->setTransformOriginPoint(center.x(), center.y()); |
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273 | 273 | labelItem->setPos(layout[i] - center.x(), m_rect.bottom() + label_padding); |
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274 | 274 | if((i+1)%2 && i>1) { |
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275 | 275 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem*>(shades.at(i/2-1)); |
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276 | 276 | rectItem->setRect(layout[i-1],m_rect.top(),layout[i]-layout[i-1],m_rect.height()); |
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277 | 277 | } |
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278 | 278 | lineItem = static_cast<QGraphicsLineItem*>(axis.at(i+1)); |
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279 | 279 | lineItem->setLine(layout[i],m_rect.bottom(),layout[i],m_rect.bottom()+5); |
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280 | 280 | } |
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281 | 281 | } |
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282 | 282 | break; |
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283 | 283 | |
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284 | 284 | case Y_AXIS: |
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285 | 285 | { |
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286 | 286 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(axis.at(0)); |
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287 | 287 | lineItem->setLine(m_rect.left() , m_rect.top(), m_rect.left(), m_rect.bottom()); |
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288 | 288 | |
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289 | 289 | for (int i = 0; i < layout.size(); ++i) { |
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290 | 290 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(lines.at(i)); |
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291 | 291 | lineItem->setLine(m_rect.left() , layout[i], m_rect.right(), layout[i]); |
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292 | 292 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem*>(labels.at(i)); |
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293 | 293 | labelItem->setText(ticksList.at(i)); |
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294 | 294 | QPointF center = labelItem->boundingRect().center(); |
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295 | 295 | labelItem->setTransformOriginPoint(center.x(), center.y()); |
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296 | 296 | labelItem->setPos(m_rect.left() - labelItem->boundingRect().width() - label_padding , layout[i]-center.y()); |
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297 | 297 | if((i+1)%2 && i>1) { |
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298 | 298 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem*>(shades.at(i/2-1)); |
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299 | 299 | rectItem->setRect(m_rect.left(),layout[i-1],m_rect.width(),layout[i-1]-layout[i]); |
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300 | 300 | } |
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301 | 301 | lineItem = static_cast<QGraphicsLineItem*>(axis.at(i+1)); |
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302 | 302 | lineItem->setLine(m_rect.left()-5,layout[i],m_rect.left(),layout[i]); |
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303 | 303 | } |
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304 | 304 | } |
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305 | 305 | break; |
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306 | 306 | default: |
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307 | 307 | qDebug()<<"Unknown axis type"; |
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308 | 308 | break; |
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309 | 309 | } |
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310 | 310 | |
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311 | 311 | m_layoutVector=layout; |
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312 | 312 | } |
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313 | 313 | |
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314 | 314 | bool AxisItem::isEmpty() |
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315 | 315 | { |
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316 | 316 | return m_rect.isEmpty() || m_min==m_max || m_ticksCount==0; |
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317 | 317 | } |
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318 | 318 | |
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319 | 319 | //handlers |
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320 | 320 | |
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321 | 321 | void AxisItem::handleAxisCategoriesUpdated() |
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322 | 322 | { |
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323 | 323 | if(isEmpty()) return; |
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324 | 324 | updateLayout(m_layoutVector); |
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325 | 325 | } |
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326 | 326 | |
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327 | 327 | void AxisItem::handleAxisUpdated() |
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328 | 328 | { |
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329 | 329 | |
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330 | 330 | if(isEmpty()) return; |
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331 | 331 | |
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332 | 332 | if(m_chartAxis->isAxisVisible()) { |
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333 | 333 | setAxisOpacity(100); |
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334 | 334 | } |
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335 | 335 | else { |
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336 | 336 | setAxisOpacity(0); |
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337 | 337 | } |
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338 | 338 | |
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339 | 339 | if(m_chartAxis->isGridLineVisible()) { |
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340 | 340 | setGridOpacity(100); |
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341 | 341 | } |
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342 | 342 | else { |
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343 | 343 | setGridOpacity(0); |
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344 | 344 | } |
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345 | 345 | |
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346 | 346 | if(m_chartAxis->labelsVisible()) |
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347 | 347 | { |
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348 | 348 | setLabelsOpacity(100); |
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349 | 349 | } |
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350 | 350 | else { |
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351 | 351 | setLabelsOpacity(0); |
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352 | 352 | } |
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353 | 353 | |
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354 | 354 | if(m_chartAxis->shadesVisible()) { |
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355 | 355 | setShadesOpacity(m_chartAxis->shadesOpacity()); |
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356 | 356 | } |
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357 | 357 | else { |
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358 | 358 | setShadesOpacity(0); |
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359 | 359 | } |
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360 | 360 | |
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361 | 361 | setLabelsAngle(m_chartAxis->labelsAngle()); |
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362 | 362 | setAxisPen(m_chartAxis->axisPen()); |
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363 | 363 | setLabelsPen(m_chartAxis->labelsPen()); |
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364 | 364 | setLabelsBrush(m_chartAxis->labelsBrush()); |
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365 | 365 | setLabelsFont(m_chartAxis->labelsFont()); |
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366 | 366 | setGridPen(m_chartAxis->gridLinePen()); |
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367 | 367 | setShadesPen(m_chartAxis->shadesPen()); |
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368 | 368 | setShadesBrush(m_chartAxis->shadesBrush()); |
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369 | 369 | |
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370 | 370 | } |
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371 | 371 | |
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372 | 372 | void AxisItem::handleRangeChanged(qreal min, qreal max,int tickCount) |
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373 | 373 | { |
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374 | qDebug()<<min<<max<<tickCount; | |
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375 | 374 | if(min==max || tickCount<2) return; |
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376 | 375 | |
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377 | 376 | m_min = min; |
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378 | 377 | m_max = max; |
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379 | 378 | m_ticksCount= tickCount; |
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380 | 379 | |
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381 | 380 | if(isEmpty()) return; |
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382 | 381 | QVector<qreal> layout = calculateLayout(); |
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383 | 382 | updateLayout(layout); |
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384 | 383 | |
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385 | 384 | } |
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386 | 385 | |
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387 | 386 | void AxisItem::handleGeometryChanged(const QRectF& rect) |
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388 | 387 | { |
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389 | 388 | m_rect = rect; |
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390 | 389 | if(isEmpty()) return; |
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391 | 390 | QVector<qreal> layout = calculateLayout(); |
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392 | 391 | updateLayout(layout); |
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393 | 392 | } |
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394 | 393 | |
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395 | 394 | //painter |
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396 | 395 | |
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397 | 396 | void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) |
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398 | 397 | { |
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399 | 398 | Q_UNUSED(painter); |
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400 | 399 | Q_UNUSED(option); |
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401 | 400 | Q_UNUSED(widget); |
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402 | 401 | } |
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403 | 402 | |
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404 | 403 | //TODO "nice numbers algorithm" |
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405 | 404 | #include "moc_axisitem_p.cpp" |
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406 | 405 | |
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407 | 406 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,397 +1,396 | |||
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1 | 1 | #include "qchartaxis.h" |
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2 | 2 | |
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3 | 3 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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4 | 4 | |
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5 | 5 | /*! |
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6 | 6 | \class QChartAxis |
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7 | 7 | \brief The QChartAxis class is used for manipulating chart's axis |
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8 | 8 | and for adding optional axes to the chart. |
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9 | 9 | \mainclass |
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10 | 10 | |
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11 | 11 | There is only one x Axis, however there can be multiple y axes. |
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12 | 12 | Each chart series can be bound to exactly one Y axis and the share common X axis. |
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13 | 13 | Axis can be setup to show axis line with ticks, gird lines and shades. |
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14 | 14 | |
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15 | 15 | */ |
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16 | 16 | |
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17 | 17 | /*! |
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18 | 18 | \fn bool QChartAxis::isAxisVisible() const |
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19 | 19 | \brief Returns if axis is visible |
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20 | 20 | \sa setAxisVisible() |
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21 | 21 | */ |
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22 | 22 | |
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23 | 23 | /*! |
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24 | 24 | \fn QPen QChartAxis::axisPen() const |
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25 | 25 | \brief Returns pen used to draw axis and ticks. |
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26 | 26 | \sa setAxisPen() |
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27 | 27 | */ |
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28 | 28 | |
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29 | 29 | |
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30 | 30 | /*! |
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31 | 31 | \fn bool QChartAxis::isGridLineVisible() const |
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32 | 32 | \brief Returns if grid is visible |
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33 | 33 | \sa setGridLineVisible() |
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34 | 34 | */ |
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35 | 35 | |
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36 | 36 | /*! |
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37 | 37 | \fn QPen QChartAxis::gridLinePen() const |
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38 | 38 | \brief Returns pen used to draw grid. |
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39 | 39 | \sa setGridLinePen() |
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40 | 40 | */ |
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41 | 41 | |
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42 | 42 | /*! |
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43 | 43 | \fn bool QChartAxis::labelsVisible() const |
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44 | 44 | \brief Returns if grid is visible |
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45 | 45 | \sa setLabelsVisible() |
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46 | 46 | */ |
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47 | 47 | |
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48 | 48 | /*! |
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49 | 49 | \fn QPen QChartAxis::labelsPen() const |
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50 | 50 | \brief Returns the pen used to labels. |
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51 | 51 | \sa setLabelsPen() |
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52 | 52 | */ |
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53 | 53 | |
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54 | 54 | /*! |
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55 | 55 | \fn QBrush QChartAxis::labelsBrush() const |
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56 | 56 | \brief Returns brush used to draw labels. |
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57 | 57 | \sa setLabelsBrush() |
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58 | 58 | */ |
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59 | 59 | |
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60 | 60 | /*! |
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61 | 61 | \fn QFont QChartAxis::labelsFont() const |
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62 | 62 | \brief Returns font used to draw labels. |
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63 | 63 | \sa setLabelsFont() |
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64 | 64 | */ |
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65 | 65 | |
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66 | 66 | /*! |
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67 | 67 | \fn QFont QChartAxis::labelsAngle() const |
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68 | 68 | \brief Returns angle used to draw labels. |
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69 | 69 | \sa setLabelsAngle() |
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70 | 70 | */ |
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71 | 71 | |
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72 | 72 | /*! |
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73 | 73 | \fn bool QChartAxis::shadesVisible() const |
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74 | 74 | \brief Returns if shades are visible. |
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75 | 75 | \sa setShadesVisible() |
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76 | 76 | */ |
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77 | 77 | |
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78 | 78 | /*! |
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79 | 79 | \fn qreal QChartAxis::shadesOpacity() const |
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80 | 80 | \brief Returns opacity of shades. |
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81 | 81 | */ |
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82 | 82 | |
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83 | 83 | /*! |
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84 | 84 | \fn QPen QChartAxis::shadesPen() const |
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85 | 85 | \brief Returns pen used to draw shades. |
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86 | 86 | \sa setShadesPen() |
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87 | 87 | */ |
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88 | 88 | |
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89 | 89 | /*! |
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90 | 90 | \fn QBrush QChartAxis::shadesBrush() const |
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91 | 91 | \brief Returns brush used to draw shades. |
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92 | 92 | \sa setShadesBrush() |
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93 | 93 | */ |
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94 | 94 | |
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95 | 95 | /*! |
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96 | 96 | \fn qreal QChartAxis::min() const |
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97 | 97 | \brief Returns minimum value on the axis. |
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98 | 98 | \sa setMin() |
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99 | 99 | */ |
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100 | 100 | |
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101 | 101 | /*! |
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102 | 102 | \fn qreal QChartAxis::max() const |
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103 | 103 | \brief Returns maximim value on the axis. |
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104 | 104 | \sa setMax() |
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105 | 105 | */ |
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106 | 106 | |
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107 | 107 | /*! |
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108 | 108 | \fn void QChartAxis::minChanged(qreal min) |
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109 | 109 | \brief Axis emits signal when \a min of axis has changed. |
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110 | 110 | */ |
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111 | 111 | |
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112 | 112 | /*! |
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113 | 113 | \fn void QChartAxis::maxChanged(qreal max) |
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114 | 114 | \brief Axis emits signal when \a max of axis has changed. |
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115 | 115 | */ |
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116 | 116 | |
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117 | 117 | /*! |
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118 | 118 | \fn void QChartAxis::rangeChanged(qreal min, qreal max) |
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119 | 119 | \brief Axis emits signal when \a min or \a max of axis has changed. |
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120 | 120 | */ |
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121 | 121 | |
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122 | 122 | /*! |
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123 | 123 | \fn int QChartAxis::ticksCount() const |
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124 | 124 | \brief Return number of ticks on the axis |
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125 | 125 | \sa setTicksCount() |
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126 | 126 | */ |
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127 | 127 | |
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128 | 128 | /*! |
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129 | 129 | \fn void QChartAxis::updated() |
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130 | 130 | \brief \internal |
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131 | 131 | */ |
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132 | 132 | |
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133 | 133 | /*! |
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134 | 134 | \fn void QChartAxis::handleAxisRangeChanged(qreal min, qreal max) |
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135 | 135 | \brief \internal \a min \a max |
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136 | 136 | */ |
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137 | 137 | |
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138 | 138 | /*! |
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139 | 139 | Constructs new axis object which is a child of \a parent. Ownership is taken by |
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140 | 140 | QChatView or QChart when axis added. |
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141 | 141 | */ |
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142 | 142 | |
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143 | 143 | QChartAxis::QChartAxis(QObject* parent):QObject(parent), |
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144 | 144 | m_axisVisible(true), |
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145 | 145 | m_gridLineVisible(true), |
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146 | 146 | m_labelsVisible(true), |
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147 | 147 | m_labelsAngle(0), |
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148 | 148 | m_shadesVisible(false), |
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149 | 149 | m_shadesOpacity(1.0), |
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150 | 150 | m_min(0), |
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151 | 151 | m_max(0), |
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152 | 152 | m_ticksCount(5) |
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153 | 153 | { |
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154 | 154 | |
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155 | 155 | } |
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156 | 156 | |
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157 | 157 | /*! |
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158 | 158 | Destructor of the axis object. When axis is added to chart, chart object takes ownership. |
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159 | 159 | */ |
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160 | 160 | |
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161 | 161 | QChartAxis::~QChartAxis() |
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162 | 162 | { |
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163 | 163 | } |
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164 | 164 | |
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165 | 165 | /*! |
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166 | 166 | Sets \a pen used to draw axis line and ticks. |
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167 | 167 | */ |
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168 | 168 | void QChartAxis::setAxisPen(const QPen& pen) |
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169 | 169 | { |
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170 | 170 | if (pen != m_axisPen) { |
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171 | 171 | m_axisPen=pen; |
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172 | 172 | emit updated(); |
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173 | 173 | } |
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174 | 174 | } |
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175 | 175 | |
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176 | 176 | /*! |
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177 | 177 | Sets if axis and ticks are \a visible. |
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178 | 178 | */ |
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179 | 179 | void QChartAxis::setAxisVisible(bool visible) |
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180 | 180 | { |
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181 | 181 | if (m_axisVisible!=visible) { |
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182 | 182 | m_axisVisible=visible; |
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183 | 183 | emit updated(); |
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184 | 184 | } |
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185 | 185 | } |
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186 | 186 | |
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187 | 187 | /*! |
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188 | 188 | Sets if grid line is \a visible. |
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189 | 189 | */ |
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190 | 190 | void QChartAxis::setGridLineVisible(bool visible) |
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191 | 191 | { |
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192 | 192 | if (m_gridLineVisible!=visible) { |
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193 | 193 | m_gridLineVisible=visible; |
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194 | 194 | emit updated(); |
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195 | 195 | } |
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196 | 196 | } |
|
197 | 197 | |
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198 | 198 | /*! |
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199 | 199 | Sets \a pen used to draw grid line. |
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200 | 200 | */ |
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201 | 201 | void QChartAxis::setGridLinePen(const QPen& pen) |
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202 | 202 | { |
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203 | 203 | if (m_gridLinePen!=pen) { |
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204 | 204 | m_gridLinePen=pen; |
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205 | 205 | emit updated(); |
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206 | 206 | } |
|
207 | 207 | } |
|
208 | 208 | |
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209 | 209 | /*! |
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210 | 210 | Sets if axis' labels are \a visible. |
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211 | 211 | */ |
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212 | 212 | void QChartAxis::setLabelsVisible(bool visible) |
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213 | 213 | { |
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214 | 214 | if(m_labelsVisible!=visible) { |
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215 | 215 | m_labelsVisible=visible; |
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216 | 216 | emit updated(); |
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217 | 217 | } |
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218 | 218 | } |
|
219 | 219 | |
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220 | 220 | /*! |
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221 | 221 | Sets \a pen used to draw labels. |
|
222 | 222 | */ |
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223 | 223 | void QChartAxis::setLabelsPen(const QPen& pen) |
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224 | 224 | { |
|
225 | 225 | if(m_labelsPen!=pen) { |
|
226 | 226 | m_labelsPen=pen; |
|
227 | 227 | emit updated(); |
|
228 | 228 | } |
|
229 | 229 | } |
|
230 | 230 | |
|
231 | 231 | /*! |
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232 | 232 | Sets \a brush used to draw labels. |
|
233 | 233 | */ |
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234 | 234 | void QChartAxis::setLabelsBrush(const QBrush& brush) |
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235 | 235 | { |
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236 | 236 | if(m_labelsBrush!=brush) { |
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237 | 237 | m_labelsBrush=brush; |
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238 | 238 | emit updated(); |
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239 | 239 | } |
|
240 | 240 | } |
|
241 | 241 | |
|
242 | 242 | /*! |
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243 | 243 | Sets \a font used to draw labels. |
|
244 | 244 | */ |
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245 | 245 | void QChartAxis::setLabelsFont(const QFont& font) |
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246 | 246 | { |
|
247 | 247 | if(m_labelsFont!=font) { |
|
248 | 248 | m_labelsFont=font; |
|
249 | 249 | emit updated(); |
|
250 | 250 | } |
|
251 | 251 | } |
|
252 | 252 | |
|
253 | 253 | /*! |
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254 | 254 | Sets \a angle for all the labels on given axis. |
|
255 | 255 | */ |
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256 | 256 | void QChartAxis::setLabelsAngle(int angle) |
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257 | 257 | { |
|
258 | 258 | if(m_labelsAngle!=angle) { |
|
259 | 259 | m_labelsAngle=angle; |
|
260 | 260 | emit updated(); |
|
261 | 261 | } |
|
262 | 262 | } |
|
263 | 263 | |
|
264 | 264 | /*! |
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265 | 265 | Sets if shades are \a visible. |
|
266 | 266 | */ |
|
267 | 267 | void QChartAxis::setShadesVisible(bool visible) |
|
268 | 268 | { |
|
269 | 269 | if(m_shadesVisible!=visible) { |
|
270 | 270 | m_shadesVisible=visible; |
|
271 | 271 | emit updated(); |
|
272 | 272 | } |
|
273 | 273 | } |
|
274 | 274 | |
|
275 | 275 | /*! |
|
276 | 276 | Sets \a pen used to draw shades. |
|
277 | 277 | */ |
|
278 | 278 | void QChartAxis::setShadesPen(const QPen& pen) |
|
279 | 279 | { |
|
280 | 280 | if(m_shadesPen!=pen) { |
|
281 | 281 | m_shadesPen=pen; |
|
282 | 282 | emit updated(); |
|
283 | 283 | } |
|
284 | 284 | } |
|
285 | 285 | |
|
286 | 286 | /*! |
|
287 | 287 | Sets \a brush used to draw shades. |
|
288 | 288 | */ |
|
289 | 289 | void QChartAxis::setShadesBrush(const QBrush& brush) |
|
290 | 290 | { |
|
291 | 291 | if(m_shadesBrush!=brush) { |
|
292 | 292 | m_shadesBrush=brush; |
|
293 | 293 | emit updated(); |
|
294 | 294 | } |
|
295 | 295 | } |
|
296 | 296 | |
|
297 | 297 | /*! |
|
298 | 298 | Sets \a opacity of the shades. |
|
299 | 299 | */ |
|
300 | 300 | void QChartAxis::setShadesOpacity(qreal opacity) |
|
301 | 301 | { |
|
302 | 302 | if(m_shadesOpacity!=opacity) { |
|
303 | 303 | m_shadesOpacity=opacity; |
|
304 | 304 | emit updated(); |
|
305 | 305 | } |
|
306 | 306 | } |
|
307 | 307 | |
|
308 | 308 | /*! |
|
309 | 309 | Sets \a min value on the axis. |
|
310 | 310 | */ |
|
311 | 311 | void QChartAxis::setMin(qreal min) |
|
312 | 312 | { |
|
313 | 313 | setRange(min,m_max); |
|
314 | 314 | } |
|
315 | 315 | |
|
316 | 316 | /*! |
|
317 | 317 | Sets \a max value on the axis. |
|
318 | 318 | */ |
|
319 | 319 | void QChartAxis::setMax(qreal max) |
|
320 | 320 | { |
|
321 | 321 | setRange(m_min,max); |
|
322 | 322 | } |
|
323 | 323 | |
|
324 | 324 | /*! |
|
325 | 325 | Sets range from \a min to \a max on the axis. |
|
326 | 326 | */ |
|
327 | 327 | void QChartAxis::setRange(qreal min, qreal max) |
|
328 | 328 | { |
|
329 | 329 | |
|
330 | 330 | |
|
331 | 331 | bool changed = false; |
|
332 | 332 | if(m_min!=min) { |
|
333 | 333 | m_min=min; |
|
334 | 334 | changed=true; |
|
335 | 335 | emit minChanged(min); |
|
336 | 336 | } |
|
337 | 337 | |
|
338 | 338 | if(m_max!=max) { |
|
339 | 339 | m_max=max; |
|
340 | 340 | changed=true; |
|
341 | 341 | emit maxChanged(max); |
|
342 | 342 | } |
|
343 | 343 | |
|
344 | 344 | if(changed) { |
|
345 | 345 | emit rangeChanged(m_min,m_max); |
|
346 | 346 | } |
|
347 | 347 | } |
|
348 | 348 | |
|
349 | 349 | /*! |
|
350 | 350 | Sets \a count for ticks on the axis. |
|
351 | 351 | */ |
|
352 | 352 | void QChartAxis::setTicksCount(int count) |
|
353 | 353 | { |
|
354 | 354 | if(m_ticksCount!=count) { |
|
355 | 355 | m_ticksCount=count; |
|
356 | 356 | emit ticksCountChanged(count); |
|
357 | 357 | } |
|
358 | 358 | } |
|
359 | 359 | |
|
360 | 360 | /*! |
|
361 | 361 | Sets axis, shades, labels and grid lines to be visible. |
|
362 | 362 | */ |
|
363 | 363 | void QChartAxis::show() |
|
364 | 364 | { |
|
365 | 365 | m_axisVisible=true; |
|
366 | 366 | m_gridLineVisible=true; |
|
367 | 367 | m_labelsVisible=true; |
|
368 | 368 | m_shadesVisible=true; |
|
369 | 369 | emit updated(); |
|
370 | 370 | } |
|
371 | 371 | |
|
372 | 372 | /*! |
|
373 | 373 | Sets axis, shades, labels and grid lines to not be visible. |
|
374 | 374 | */ |
|
375 | 375 | void QChartAxis::hide() |
|
376 | 376 | { |
|
377 | 377 | m_axisVisible=false; |
|
378 | 378 | m_gridLineVisible=false; |
|
379 | 379 | m_labelsVisible=false; |
|
380 | 380 | m_shadesVisible=false; |
|
381 | 381 | emit updated(); |
|
382 | 382 | } |
|
383 | 383 | |
|
384 | 384 | void QChartAxis::handleAxisRangeChanged(qreal min, qreal max) |
|
385 | 385 | { |
|
386 | qDebug()<<__FUNCTION__<<min<<max; | |
|
387 | 386 | setRange(min,max); |
|
388 | 387 | } |
|
389 | 388 | |
|
390 | 389 | void QChartAxis::handleAxisTicksChanged(int count) |
|
391 | 390 | { |
|
392 | 391 | setTicksCount(count); |
|
393 | 392 | } |
|
394 | 393 | |
|
395 | 394 | #include "moc_qchartaxis.cpp" |
|
396 | 395 | |
|
397 | 396 | QTCOMMERCIALCHART_END_NAMESPACE |
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