70 lines
1.5 KiB
C++
70 lines
1.5 KiB
C++
#include "ToolRotate.h"
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ToolRotate::ToolRotate(EditManager *editManager) : sidebar(editManager) {
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this->editManager = editManager;
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pressed = false;
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image = gtk_image_new_from_stock(GTK_STOCK_MISSING_IMAGE, GTK_ICON_SIZE_BUTTON);
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g_object_ref_sink(G_OBJECT(image));
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}
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ToolRotate::~ToolRotate() {
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g_object_unref(G_OBJECT(image));
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}
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void ToolRotate::activate() {
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pressed = false;
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editManager->highlightHoveredObject();
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editManager->setSelectedObject(NULL);
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}
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bool ToolRotate::buttonPress(unsigned int button) {
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if(button != 1 || !editManager->getHoveredObject())
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return false;
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pressed = true;
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Vertex v = *editManager->getHoveredVertex() - editManager->getHoveredObject()->getCenter();
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angle = atan2(v.getY(), v.getX());
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editManager->setSelectedObject(editManager->getHoveredObject());
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editManager->redraw();
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sidebar.update();
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return true;
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}
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bool ToolRotate::buttonRelease(unsigned int button) {
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if(button != 1)
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return false;
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pressed = false;
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editManager->setSelectedObject(NULL);
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editManager->redraw();
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sidebar.update();
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return true;
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}
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bool ToolRotate::motion() {
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if(!pressed) {
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editManager->highlightHoveredObject();
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return true;
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}
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if(!editManager->getHoveredVertex())
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return false;
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Vertex v = *editManager->getHoveredVertex() - editManager->getSelectedObject()->getCenter();
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float a = atan2(v.getY(), v.getX());
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editManager->getSelectedObject()->rotate(a-angle);
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angle = a;
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return false;
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}
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