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#include "ToolRotate.h"
#include <GL/gl.h>
ToolRotate::ToolRotate(EditManager *editManager) : Renderer(editManager), sidebar(editManager) {
this->editManager = editManager;
pressed = false;
image = gtk_image_new_from_stock(GTK_STOCK_MISSING_IMAGE, GTK_ICON_SIZE_BUTTON);
g_object_ref_sink(G_OBJECT(image));
}
ToolRotate::~ToolRotate() {
g_object_unref(G_OBJECT(image));
}
void ToolRotate::activate() {
pressed = false;
editManager->highlightHoveredObject();
editManager->setSelectedObject(NULL);
}
bool ToolRotate::buttonPress(unsigned int button) {
if(button != 1 || !editManager->getHoveredObject())
return false;
pressed = true;
valid = false;
v0 = v = *editManager->getHoveredVertex();
editManager->setSelectedObject(editManager->getHoveredObject());
editManager->redraw();
sidebar.update();
return true;
}
bool ToolRotate::buttonRelease(unsigned int button) {
if(button != 1)
return false;
pressed = false;
editManager->setSelectedObject(NULL);
editManager->redraw();
sidebar.update();
return true;
}
bool ToolRotate::motion() {
if(!pressed) {
editManager->highlightHoveredObject();
return true;
}
if(!editManager->getHoveredVertex())
return false;
v = *editManager->getHoveredVertex();
float a = atan2((v-v0).getY(), (v-v0).getX());
if(v0.distanceSq(v) > 0.04f) {
if(valid)
editManager->getSelectedObject()->rotate(v0, a-angle);
else
valid = true;
}
else
valid = false;
angle = a;
return false;
}
void ToolRotate::render(const Level &level, const Rectangle &rect, float scale) {
Renderer::render(level, rect, scale);
if(pressed && valid) {
glLineWidth(1.0f);
glColor4f(1.0f, 1.0f, 1.0f, 0.7f);
drawCircleDotted(v0, v0.distance(v), 64, 16, angle);
glLineWidth(2.0f);
glBegin(GL_LINES);
glVertex2f(v0.getX(), v0.getY());
glVertex2f(v.getX(), v.getY());
glEnd();
}
}
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