1 files changed, 91 insertions, 0 deletions
diff --git a/examples/qwindow-compositor/qwindowcompositor.cpp b/examples/qwindow-compositor/qwindowcompositor.cpp
new file mode 100644
index 0000000..1b0c002
--- /dev/null
+++ b/examples/qwindow-compositor/qwindowcompositor.cpp
@@ -0,0 +1,91 @@
+#include "qwindowcompositor.h"
+
+QWindowCompositor::QWindowCompositor(QOpenGLWindow *window)
+    : WaylandCompositor(window, window->context())
+    , m_window(window)
+{
+    m_backgroundImage = QImage(QLatin1String("background.jpg"));
+    m_renderer = new SurfaceRenderer(m_window->context(), m_window);
+    m_backgroundTexture = m_renderer->textureFromImage(m_backgroundImage);
+
+    render();
+}
+
+void QWindowCompositor::surfaceDestroyed(QObject *object)
+{
+    WaylandSurface *surface = static_cast<WaylandSurface *>(object);
+    m_surfaces.removeAll(surface);
+    render();
+}
+
+void QWindowCompositor::surfaceMapped(const QSize &size)
+{
+    WaylandSurface *surface = qobject_cast<WaylandSurface *>(sender());
+    QPoint pos;
+    if (!m_surfaces.contains(surface)) {
+        uint px = 1 + (qrand() % (m_window->width() - size.width() - 2));
+        uint py = 1 + (qrand() % (m_window->height() - size.height() - 2));
+        pos = QPoint(px, py);
+        surface->setGeometry(QRect(pos, size));
+        m_surfaces.append(surface);
+    } else {
+        surface->setGeometry(QRect(window()->geometry().topLeft(),size));
+    }
+    setInputFocus(surface);
+    render();
+}
+
+void QWindowCompositor::surfaceDamaged(const QRect &rect)
+{
+    WaylandSurface *surface = qobject_cast<WaylandSurface *>(sender());
+    surfaceDamaged(surface, rect);
+}
+
+void QWindowCompositor::surfaceDamaged(WaylandSurface *surface, const QRect &rect)
+{
+    Q_UNUSED(surface)
+    Q_UNUSED(rect)
+    render();
+}
+
+void QWindowCompositor::surfaceCreated(WaylandSurface *surface)
+{
+    connect(surface, SIGNAL(destroyed(QObject *)), this, SLOT(surfaceDestroyed(QObject *)));
+    connect(surface, SIGNAL(mapped(const QSize &)), this, SLOT(surfaceMapped(const QSize &)));
+    connect(surface, SIGNAL(damaged(const QRect &)), this, SLOT(surfaceDamaged(const QRect &)));
+    render();
+}
+
+WaylandSurface * QWindowCompositor::surfaceAt(const QPoint &point, QPoint *local)
+{
+    for (int i = m_surfaces.size() - 1; i >= 0; --i) {
+        if (m_surfaces.at(i)->geometry().contains(point)) {
+            if (local)
+                *local = point - m_surfaces.at(i)->geometry().topLeft();
+            return m_surfaces.at(i);
+        }
+    }
+    return 0;
+}
+
+void QWindowCompositor::render()
+{
+    m_window->makeCurrent();
+
+    //Draw the background Image texture
+    m_renderer->drawTexture(m_backgroundTexture, m_window->geometry(), 0);
+
+    //Iterate all surfaces in m_surfaces
+    //If type == WaylandSurface::Texture draw textureId at geometry
+    foreach (WaylandSurface *surface, m_surfaces) {
+        if (surface->type() == WaylandSurface::Texture)
+            m_renderer->drawTexture(surface->texture(), surface->geometry(), 1); //depth argument should be dynamic (focused should be top).
+        else if (surface->type() == WaylandSurface::Shm)
+            m_renderer->drawImage(surface->image(), surface->geometry());
+    }
+    frameFinished();
+    glFinish();
+    m_window->swapBuffers();
+    m_window->context()->doneCurrent();
+}
+