Gabriele Cosmo
118 lines
2.8 KiB
Plaintext
118 lines
2.8 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef toolx_Qt_sg_viewer
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#define toolx_Qt_sg_viewer
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#include "glarea"
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#include "session"
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#include <QtCore/qglobal.h> //For QT_VERSION.
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#if QT_VERSION < 0x050000
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#include <QtGui/qboxlayout.h>
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#else
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#include <QtWidgets/qboxlayout.h>
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#endif
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namespace toolx {
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namespace Qt {
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class sg_viewer : public sg::GL_viewer {
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typedef sg::GL_viewer parent;
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public:
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sg_viewer(session& a_session,
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int a_x = 0,int a_y = 0,
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unsigned int a_width = 500,unsigned int a_height = 500,
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const std::string& a_win_title = "")
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:parent(a_session.out(),a_width,a_height)
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,m_session(a_session)
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,m_shell(0)
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,m_own_shell(false)
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,m_glarea(0)
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{
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if(!m_session.is_valid()) return; //throw
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m_shell = m_session.create_window(a_win_title.c_str(),a_x,a_y,a_width,a_height);
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if(!m_shell) return; //throw
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m_own_shell = true;
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m_glarea = new Qt::glarea(0,*this);
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QVBoxLayout* layout = new QVBoxLayout;
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layout->setContentsMargins(0,0,0,0);
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layout->addWidget(m_glarea);
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m_shell->setLayout(layout);
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}
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virtual ~sg_viewer() {
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if(m_glarea) m_glarea->set_device_interactor(0);
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if(m_shell && m_own_shell) {
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m_session.delete_window(m_shell);
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}
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}
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protected:
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sg_viewer(const sg_viewer& a_from)
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:parent(a_from)
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,m_session(a_from.m_session)
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,m_shell(0)
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,m_own_shell(false)
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,m_glarea(0)
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{}
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sg_viewer& operator=(const sg_viewer& a_from){
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parent::operator=(a_from);
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return *this;
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}
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public:
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bool has_window() const {return m_shell?true:false;} //for SWIG
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bool show() {
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if(!m_shell) return false;
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m_shell->show();
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return true;
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}
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void win_render() {
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if(!m_glarea) return;
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m_glarea->repaint(); //immediate.
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m_session.sync();
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}
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void emit_win_render() {
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if(!m_glarea) return;
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m_glarea->update(); //delayed.
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}
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bool window_size(unsigned int& a_w,unsigned int& a_h) {
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if(!m_glarea) {a_w = 0;a_h = 0;return false;}
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a_w = (unsigned int)m_glarea->width();
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a_h = (unsigned int)m_glarea->height();
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return true;
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}
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void render_area_size(unsigned int& a_w,unsigned int& a_h) {
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a_w = parent::width();
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a_h = parent::height();
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}
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public:
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QWidget* shell() {return m_shell;}
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void set_own_shell(bool a_value) {m_own_shell = a_value;}
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Qt::glarea* glarea() {return m_glarea;}
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void set_device_interactor(tools::sg::device_interactor* a_interactor) { //we do not have ownership.
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if(!m_glarea) return;
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m_glarea->set_device_interactor(a_interactor);
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}
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void enable_keyboard_focus() {
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if(!m_glarea) return;
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m_glarea->setFocusPolicy(::Qt::StrongFocus);
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}
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protected:
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session& m_session;
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QWidget* m_shell;
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bool m_own_shell;
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Qt::glarea* m_glarea;
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};
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}}
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#endif
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