kazu
f40fc9a823
added support for meta-data editing improved element selection changed zooming fixed some issues with layer events fixed issue with 3D outline fixed loading issue for old maps some interface changes
133 lines
2.6 KiB
C++
133 lines
2.6 KiB
C++
#ifndef TOOLMEASURE_H
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#define TOOLMEASURE_H
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#include "Tool.h"
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#include "../MapView2D.h"
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#include "../../model/MapModelElement.h"
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#include "../../model/MapModel.h"
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#include "../MapViewElementHelper.h"
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/**
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* this tool allows:
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* - selecting elements within the 2D view (focus/unfocus)
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* - selecting and moving nodes of elements inheriting from HasMoveableNodes
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*
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*/
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class ToolMeasure : public Tool {
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Q_OBJECT
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protected:
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/** register this tool into the given tools-queue */
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Tools& tools;
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Tool* oldMainTool;
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std::vector<Point2> pts_m;
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public:
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/** ctor */
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ToolMeasure(Tools& tools) : tools(tools) {
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oldMainTool = tools.getMain(); // keep the current tool to reset it later
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tools.setMain(this);
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resetMe();
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}
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/** dtor */
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virtual ~ToolMeasure() {
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tools.setMain(oldMainTool); // reset to the previous tool
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}
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const std::string getName() const {
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return "Measure";
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}
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virtual bool mousePressEvent(MapView2D*, QMouseEvent* e) override {
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if (e->button() == Qt::MouseButton::LeftButton) {
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pts_m.push_back(pts_m.back());
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return true;
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} else {
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return false;
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}
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}
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virtual bool mouseMoveEvent(MapView2D* m, QMouseEvent* e) override {
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const Point2 onScreen(e->x(), e->y());
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Point2 onMap = m->getScaler().sm(onScreen);
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onMap = m->getScaler().snap(onMap);
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pts_m.back() = onMap;
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return true;
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}
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virtual bool mouseReleaseEvent(MapView2D*, QMouseEvent* e) override {
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if (e->button() == Qt::MouseButton::LeftButton) {
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return true;
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} else if (e->button() == Qt::MouseButton::RightButton) {
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resetMe();
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return true;
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} else {
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return false;
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}
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}
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virtual bool keyPressEvent(MapView2D* m, QKeyEvent* e) override {
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(void) m;
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if (e->key() == Qt::Key_Escape) {
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disableMe();
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return true;
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}
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return false;
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}
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virtual void paintAfter(MapView2D*, Painter& p) override {
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if (pts_m.size() < 1) {return;}
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p.setPen(Qt::black);
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for (const Point2 p_m : pts_m) {
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p.drawCircle(p_m);
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}
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float totalLen_m = 0;
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for (size_t i = 0; i < pts_m.size() - 1; ++i) {
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const Point2 p1 = pts_m[i];
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const Point2 p2 = pts_m[i+1];
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const float len_m = p1.getDistance(p2);
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p.drawLine(p1, p2);
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p.drawLength(p1, p2, len_m);
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totalLen_m += len_m;
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}
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if (pts_m.size() > 1) {
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emit onHelpTextChange("total length is: " + QString::number(totalLen_m) + "m | right-click to restart");
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}
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}
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protected:
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void resetMe() {
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pts_m.resize(1);
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emit onHelpTextChange("select the starting point for measuring");
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}
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/** finish creating new elements */
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void disableMe() {
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delete this; // see dtor!
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}
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};
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#endif // TOOLMEASURE_H
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