Fri, 30 Jul 2021 01:28:39 +0300
added right click support for draw tool
103 | 1 | #include <QMessageBox> |
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2 | #include <document.h> |
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3 | #include "linetypes/edge.h" |
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4 | #include "linetypes/triangle.h" |
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5 | #include "linetypes/quadrilateral.h" |
96 | 6 | #include "drawtool.h" |
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7 | #include "modeleditcontext.h" |
96 | 8 | |
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9 | static const QBrush pointBrush = {Qt::white}; |
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10 | static const QPen polygonPen = {QBrush{Qt::black}, 2.0, Qt::DashLine}; |
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11 | static const QPen pointPen = {QBrush{Qt::black}, 2.0}; |
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12 | static const QBrush polygonBrush = {QColor{64, 255, 128, 192}}; |
108 | 13 | |
96 | 14 | DrawTool::DrawTool(QObject* parent) : |
15 | BaseTool{parent} {} | |
16 | ||
17 | QString DrawTool::name() const | |
18 | { | |
19 | static const QString result = tr("Draw"); | |
20 | return result; | |
21 | } | |
22 | ||
23 | QString DrawTool::toolTip() const | |
24 | { | |
25 | static const QString result = tr("Draw new elements into the model."); | |
26 | return result; | |
27 | } | |
103 | 28 | |
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29 | bool DrawTool::mouseClick(Document* document, Canvas* canvas, QMouseEvent* event) |
103 | 30 | { |
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31 | if (event->button() == Qt::LeftButton) |
106 | 32 | { |
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33 | const auto& worldPosition = canvas->getWorldPosition(); |
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34 | if (worldPosition.has_value()) |
106 | 35 | { |
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36 | const glm::vec3& pos = worldPosition.value(); |
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37 | const auto isCloseToPos = [&](const glm::vec3& x){return geom::isclose(x, pos);}; |
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38 | if (any(this->polygon, isCloseToPos)) |
106 | 39 | { |
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40 | this->closeShape(document); |
106 | 41 | } |
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42 | else |
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43 | { |
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44 | this->polygon.push_back(pos); |
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45 | if (this->polygon.size() == 4) |
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46 | { |
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47 | this->closeShape(document); |
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48 | } |
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49 | } |
106 | 50 | } |
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51 | this->previewPolygon = this->polygon; |
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52 | return true; |
106 | 53 | } |
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54 | else if (event->button() == Qt::RightButton and this->polygon.size() > 0) |
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55 | { |
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56 | this->polygon.erase(this->polygon.end() - 1); |
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57 | this->updatePreviewPolygon(); |
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58 | return true; |
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59 | } |
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60 | else |
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61 | { |
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62 | return false; |
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63 | } |
103 | 64 | } |
106 | 65 | |
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66 | bool DrawTool::mouseMove(Document* document, Canvas* canvas, QMouseEvent *event) |
108 | 67 | { |
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68 | static_cast<void>(document); |
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69 | static_cast<void>(event); |
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70 | const auto& worldPosition = canvas->getWorldPosition(); |
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71 | if (worldPosition.has_value()) |
108 | 72 | { |
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73 | this->previewPoint = worldPosition.value(); |
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74 | if (this->polygon.size() < 4) |
108 | 75 | { |
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76 | this->updatePreviewPolygon(); |
108 | 77 | } |
78 | } | |
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79 | return false; |
108 | 80 | } |
81 | ||
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82 | void DrawTool::updatePreviewPolygon() |
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83 | { |
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84 | this->previewPolygon.resize(this->polygon.size() + 1); |
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85 | this->previewPolygon.back() = this->previewPoint; |
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86 | } |
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87 | |
106 | 88 | void DrawTool::reset() |
89 | { | |
90 | this->polygon.clear(); | |
91 | } | |
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92 | |
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93 | void DrawTool::overpaint(Canvas* canvas, QPainter* painter) const |
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94 | { |
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95 | painter->setBrush(::polygonBrush); |
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96 | painter->setPen(::polygonPen); |
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97 | canvas->drawWorldPolygon(painter, this->previewPolygon); |
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98 | painter->setBrush(::pointBrush); |
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99 | painter->setPen(::pointPen); |
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100 | for (const glm::vec3& point : this->polygon) |
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101 | { |
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102 | canvas->drawWorldPoint(painter, point); |
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103 | } |
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104 | if (this->polygon.size() < 4) |
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105 | { |
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106 | canvas->drawWorldPoint(painter, this->previewPoint); |
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107 | } |
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108 | } |
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109 | |
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110 | template<std::size_t N, typename T> |
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111 | std::array<T, N> vectorToArray(const std::vector<T>& x) |
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112 | { |
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113 | std::array<T, N> result; |
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114 | for (std::size_t i = 0; i < x.size() and i < N; i += 1) |
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115 | { |
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116 | result[i] = x[i]; |
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117 | } |
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118 | return result; |
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119 | } |
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120 | |
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121 | void DrawTool::closeShape(Document* document) |
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122 | { |
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123 | if (this->polygon.size() >= 2 and this->polygon.size() <= 4) |
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124 | { |
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125 | Model::EditContext edit = document->editModel(); |
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126 | switch (this->polygon.size()) |
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127 | { |
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128 | case 2: |
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129 | edit.append<ldraw::Edge>(vectorToArray<2>(this->polygon), ldraw::edgeColor); |
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130 | break; |
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131 | case 3: |
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132 | edit.append<ldraw::Triangle>(vectorToArray<3>(this->polygon), ldraw::mainColor); |
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133 | break; |
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134 | case 4: |
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135 | edit.append<ldraw::Quadrilateral>(vectorToArray<4>(this->polygon), ldraw::mainColor); |
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136 | break; |
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137 | } |
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138 | } |
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139 | this->polygon.clear(); |
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140 | } |