Qt-ify the QtCompositor module

Currently the QtCompositor library and API do not follow the Qt API
naming conventions.  This commit intends to fix these inconsistencies.

filenames start with q
headers containing private API's end in _p
public API classes begin with Q
use the qt namespace macros where necessary

Wayland namespace is now QtWayland
wayland_wrapper classes are now private API's

It's important to make these changes not just for stylistic reasons, but
also because when qmake builds the module in checks for these
conventions to determine how to deploy the include files.

Change-Id: I8bfadeceda92a0f52cb73c704551da75540e7587
Reviewed-by: Paul Olav Tvete <paul.tvete@digia.com>

1 files changed, 477 insertions, 0 deletions

diff --git a/src/compositor/wayland_wrapper/qwlshellsurface.cpp b/src/compositor/wayland_wrapper/qwlshellsurface.cpp
new file mode 100644
index 00000000..f8d6e0c5
--- /dev/null
+++ b/src/compositor/wayland_wrapper/qwlshellsurface.cpp
@@ -0,0 +1,477 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Compositor.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwlshellsurface_p.h"
+
+#include "qwlcompositor_p.h"
+#include "qwlsurface_p.h"
+#include "qwlinputdevice_p.h"
+#include "qwlsubsurface_p.h"
+
+#include <QtCore/qglobal.h>
+#include <QtCore/QDebug>
+
+QT_BEGIN_NAMESPACE
+
+namespace QtWayland {
+
+Shell::Shell()
+{
+}
+
+void Shell::bind_func(struct wl_client *client, void *data,
+                            uint32_t version, uint32_t id)
+{
+    Q_UNUSED(version);
+    wl_client_add_object(client,&wl_shell_interface,&shell_interface,id,data);
+}
+
+void Shell::get_shell_surface(struct wl_client *client,
+              struct wl_resource *shell_resource,
+              uint32_t id,
+              struct wl_resource *surface_super)
+{
+    Q_UNUSED(shell_resource);
+    Surface *surface = resolve<Surface>(surface_super);
+    new ShellSurface(client,id,surface);
+}
+
+const struct wl_shell_interface Shell::shell_interface = {
+    Shell::get_shell_surface
+};
+
+ShellSurface::ShellSurface(wl_client *client, uint32_t id, Surface *surface)
+    : m_surface(surface)
+    , m_resizeGrabber(0)
+    , m_moveGrabber(0)
+    , m_transientParent(0)
+    , m_xOffset(0)
+    , m_yOffset(0)
+{
+    m_shellSurface = wl_client_add_object(client,&wl_shell_surface_interface,&shell_surface_interface,id,this);
+    surface->setShellSurface(this);
+}
+
+void ShellSurface::sendConfigure(uint32_t edges, int32_t width, int32_t height)
+{
+    wl_shell_surface_send_configure(m_shellSurface,edges,width,height);
+}
+
+Surface *ShellSurface::surface() const
+{
+    return m_surface;
+}
+
+void ShellSurface::adjustPosInResize()
+{
+    if (m_transientParent)
+        return;
+    if (!m_resizeGrabber || !(m_resizeGrabber->resize_edges & WL_SHELL_SURFACE_RESIZE_TOP_LEFT))
+        return;
+
+    int bottomLeftX = wl_fixed_to_int(m_resizeGrabber->base()->x) + m_resizeGrabber->width;
+    int bottomLeftY = wl_fixed_to_int(m_resizeGrabber->base()->y) + m_resizeGrabber->height;
+    qreal x = surface()->pos().x();
+    qreal y = surface()->pos().y();
+    if (m_resizeGrabber->resize_edges & WL_SHELL_SURFACE_RESIZE_TOP)
+        y = bottomLeftY - surface()->size().height();
+    if (m_resizeGrabber->resize_edges & WL_SHELL_SURFACE_RESIZE_LEFT)
+        x = bottomLeftX - surface()->size().width();
+    QPointF newPos(x,y);
+    surface()->setPos(newPos);
+}
+
+QPointF ShellSurface::adjustedPosToTransientParent() const
+{
+    if (!m_transientParent ||
+            (m_surface->subSurface() && m_surface->subSurface()->parent()))
+        return m_surface->nonAdjustedPos();
+
+    return m_transientParent->surface()->pos() + QPoint(m_xOffset,m_yOffset);
+}
+
+void ShellSurface::resetResizeGrabber()
+{
+    m_resizeGrabber = 0;
+}
+
+void ShellSurface::resetMoveGrabber()
+{
+    m_moveGrabber = 0;
+}
+
+ShellSurface *ShellSurface::transientParent() const
+{
+    return m_transientParent;
+}
+
+void ShellSurface::setOffset(const QPointF &offset)
+{
+    m_xOffset = offset.x();
+    m_yOffset = offset.y();
+}
+
+void ShellSurface::move(struct wl_client *client,
+                struct wl_resource *shell_surface_resource,
+                struct wl_resource *input_device_super,
+                uint32_t time)
+{
+    Q_UNUSED(client);
+    Q_UNUSED(time);
+    ShellSurface *self = static_cast<ShellSurface *>(shell_surface_resource->data);
+    InputDevice *input_device = static_cast<InputDevice *>(input_device_super->data);
+    if (self->m_resizeGrabber || self->m_moveGrabber) {
+        qDebug() << "invalid state";
+        return;
+    }
+
+    self->m_moveGrabber = new ShellSurfaceMoveGrabber(self);
+    wl_pointer *pointer = input_device->pointerDevice();
+    self->m_moveGrabber->base()->x = pointer->x;
+    self->m_moveGrabber->base()->y = pointer->y;
+    self->m_moveGrabber->offset_x = wl_fixed_to_int(pointer->x) - self->surface()->pos().x();
+    self->m_moveGrabber->offset_y = wl_fixed_to_int(pointer->y) - self->surface()->pos().y();
+
+    wl_pointer_start_grab(pointer, self->m_moveGrabber->base());
+}
+
+void ShellSurface::resize(struct wl_client *client,
+                  struct wl_resource *shell_surface_resource,
+                  struct wl_resource *input_device_super,
+                  uint32_t time,
+                  uint32_t edges)
+{
+    Q_UNUSED(shell_surface_resource);
+    Q_UNUSED(client);
+    Q_UNUSED(time);
+    Q_UNUSED(edges);
+    ShellSurface *self = static_cast<ShellSurface *>(shell_surface_resource->data);
+    InputDevice *input_device = static_cast<InputDevice *>(input_device_super->data);
+    if (self->m_moveGrabber || self->m_resizeGrabber) {
+        qDebug() << "invalid state2";
+        return;
+    }
+    self->m_resizeGrabber = new ShellSurfaceResizeGrabber(self);
+    wl_pointer *pointer = input_device->pointerDevice();
+    self->m_resizeGrabber->base()->x = pointer->x;
+    self->m_resizeGrabber->base()->y = pointer->y;
+    self->m_resizeGrabber->resize_edges = wl_shell_surface_resize(edges);
+    self->m_resizeGrabber->width = self->surface()->size().width();
+    self->m_resizeGrabber->height = self->surface()->size().height();
+
+    wl_pointer_start_grab(pointer, self->m_resizeGrabber->base());
+}
+
+void ShellSurface::set_toplevel(struct wl_client *client,
+                     struct wl_resource *shell_surface_resource)
+{
+    Q_UNUSED(client);
+    ShellSurface *self = static_cast<ShellSurface *>(shell_surface_resource->data);
+    self->m_transientParent = 0;
+    self->m_xOffset = 0;
+    self->m_yOffset = 0;
+
+}
+
+void ShellSurface::set_transient(struct wl_client *client,
+                      struct wl_resource *shell_surface_resource,
+                      struct wl_resource *parent_surface_resource,
+                      int x,
+                      int y,
+                      uint32_t flags)
+{
+
+    Q_UNUSED(client);
+    Q_UNUSED(flags);
+    ShellSurface *shell_surface = static_cast<ShellSurface *>(shell_surface_resource->data);
+    Surface *parent_surface = static_cast<Surface *>(parent_surface_resource->data);
+    shell_surface->m_transientParent = parent_surface->shellSurface();
+    shell_surface->m_xOffset = x;
+    shell_surface->m_yOffset = y;
+    if (flags & WL_SHELL_SURFACE_TRANSIENT_INACTIVE)
+        shell_surface->surface()->setTransientInactive(true);
+}
+
+void ShellSurface::set_fullscreen(struct wl_client *client,
+                       struct wl_resource *shell_surface_resource,
+                       uint32_t method,
+                       uint32_t framerate,
+                       struct wl_resource *output)
+{
+    Q_UNUSED(client);
+    Q_UNUSED(shell_surface_resource);
+    Q_UNUSED(method);
+    Q_UNUSED(framerate);
+    Q_UNUSED(output);
+}
+
+void ShellSurface::set_popup(wl_client *client, wl_resource *resource, wl_resource *input_device, uint32_t time, wl_resource *parent, int32_t x, int32_t y, uint32_t flags)
+{
+    Q_UNUSED(client);
+    Q_UNUSED(resource);
+    Q_UNUSED(input_device);
+    Q_UNUSED(time);
+    Q_UNUSED(parent);
+    Q_UNUSED(x);
+    Q_UNUSED(y);
+    Q_UNUSED(flags);
+}
+
+void ShellSurface::set_maximized(struct wl_client *client,
+                       struct wl_resource *shell_surface_resource,
+                       struct wl_resource *output)
+{
+    Q_UNUSED(client);
+    Q_UNUSED(shell_surface_resource);
+    Q_UNUSED(output);
+}
+
+void ShellSurface::pong(struct wl_client *client,
+                        struct wl_resource *resource,
+                        uint32_t serial)
+{
+    Q_UNUSED(client);
+    Q_UNUSED(resource);
+    Q_UNUSED(serial);
+}
+
+void ShellSurface::set_title(struct wl_client *client,
+                             struct wl_resource *resource,
+                             const char *title)
+{
+    Q_UNUSED(client);
+    ShellSurface *self = static_cast<ShellSurface *>(resource->data);
+    self->surface()->setTitle(QString::fromUtf8(title));
+}
+
+void ShellSurface::set_class(struct wl_client *client,
+                             struct wl_resource *resource,
+                             const char *class_)
+{
+    Q_UNUSED(client);
+    ShellSurface *self = static_cast<ShellSurface *>(resource->data);
+    self->surface()->setClassName(QString::fromUtf8(class_));
+}
+
+const struct wl_shell_surface_interface ShellSurface::shell_surface_interface = {
+    ShellSurface::pong,
+    ShellSurface::move,
+    ShellSurface::resize,
+    ShellSurface::set_toplevel,
+    ShellSurface::set_transient,
+    ShellSurface::set_fullscreen,
+    ShellSurface::set_popup,
+    ShellSurface::set_maximized,
+    ShellSurface::set_title,
+    ShellSurface::set_class
+};
+
+Qt::MouseButton toQtButton(uint32_t button)
+{
+#ifndef BTN_LEFT
+    static const uint32_t BTN_LEFT = 0x110;
+    static const uint32_t BTN_RIGHT = 0x111;
+    static const uint32_t BTN_MIDDLE = 0x112;
+#endif
+    switch (button) {
+    case BTN_LEFT:
+        return Qt::LeftButton;
+    case BTN_RIGHT:
+        return Qt::RightButton;
+    case BTN_MIDDLE:
+        return Qt::MiddleButton;
+    default:
+        return Qt::NoButton;
+    }
+}
+
+ShellSurfaceGrabber::ShellSurfaceGrabber(ShellSurface *shellSurface, const struct wl_pointer_grab_interface *interface)
+    : shell_surface(shellSurface)
+{
+    base()->interface = interface;
+    base()->focus = shell_surface->surface()->base();
+}
+
+ShellSurfaceGrabber::~ShellSurfaceGrabber()
+{
+}
+
+
+void ShellSurfaceGrabber::destroy(wl_listener *listener, wl_resource *resource, uint32_t time)
+{
+    Q_UNUSED(resource);
+    Q_UNUSED(time);
+    Q_UNUSED(listener);
+    //ShellSurfaceGrabber *shell_surface_grabber = container_of(listener, ShellSurfaceGrabber,surface_destroy_listener);
+    Q_ASSERT(false); //hasn't been enabled yet
+    //wl_input_device_end_grab(shell_surface_grabber->base()->input_device,Compositor::currentTimeMsecs());
+}
+
+
+ShellSurfaceResizeGrabber::ShellSurfaceResizeGrabber(ShellSurface *shellSurface)
+    : ShellSurfaceGrabber(shellSurface,&resize_grabber_interface)
+{
+}
+
+void ShellSurfaceResizeGrabber::focus(wl_pointer_grab *grab, wl_surface *surface, int32_t x, int32_t y)
+{
+    Q_UNUSED(grab);
+    Q_UNUSED(surface);
+    Q_UNUSED(x);
+    Q_UNUSED(y);
+}
+
+void ShellSurfaceResizeGrabber::motion(wl_pointer_grab *grab, uint32_t time, int32_t x, int32_t y)
+{
+    Q_UNUSED(time);
+    Q_UNUSED(x);
+    Q_UNUSED(y);
+    //Should be more structured
+    ShellSurfaceResizeGrabber *resize_grabber = reinterpret_cast<ShellSurfaceResizeGrabber *>(grab);
+    ShellSurface *shell_surface = resize_grabber->shell_surface;
+    wl_pointer *pointer = grab->pointer;
+    int width_delta = wl_fixed_to_int(grab->x) - wl_fixed_to_int(pointer->x);
+    int height_delta = wl_fixed_to_int(grab->y) - wl_fixed_to_int(pointer->y);
+    int new_width = resize_grabber->width;
+    int new_height = resize_grabber->height;
+    if (resize_grabber->resize_edges & WL_SHELL_SURFACE_RESIZE_TOP_LEFT) {
+        if (resize_grabber->resize_edges & WL_SHELL_SURFACE_RESIZE_TOP) {
+            if (new_height + height_delta > 0) {
+                new_height += height_delta;
+            } else {
+                new_height = 1;
+            }
+        }
+        if (resize_grabber->resize_edges & WL_SHELL_SURFACE_RESIZE_LEFT) {
+            if (new_width + width_delta > 0) {
+                new_width += width_delta;
+            } else {
+                new_width = 1;
+            }
+        }
+    }
+
+    if (resize_grabber->resize_edges & WL_SHELL_SURFACE_RESIZE_BOTTOM) {
+        if (new_height - height_delta > 0) {
+            new_height -= height_delta;
+        } else {
+            new_height = 1;
+        }
+    }
+    if (resize_grabber->resize_edges & WL_SHELL_SURFACE_RESIZE_RIGHT) {
+        if (new_width - width_delta > 0) {
+            new_width -= width_delta;
+        } else {
+            new_width =1;
+        }
+    }
+
+    shell_surface->sendConfigure(resize_grabber->resize_edges,new_width,new_height);
+}
+
+void ShellSurfaceResizeGrabber::button(wl_pointer_grab *grab, uint32_t time, uint32_t button, uint32_t state)
+{
+    Q_UNUSED(time)
+    ShellSurfaceResizeGrabber *self = reinterpret_cast<ShellSurfaceResizeGrabber *>(grab);
+    ShellSurface *shell_surface = self->shell_surface;
+    if (toQtButton(button) == Qt::LeftButton && !state) {
+        wl_pointer_end_grab(grab->pointer);
+        shell_surface->resetResizeGrabber();
+        delete self;
+    }
+}
+
+const struct wl_pointer_grab_interface ShellSurfaceResizeGrabber::resize_grabber_interface = {
+    ShellSurfaceResizeGrabber::focus,
+    ShellSurfaceResizeGrabber::motion,
+    ShellSurfaceResizeGrabber::button
+};
+
+ShellSurfaceMoveGrabber::ShellSurfaceMoveGrabber(ShellSurface *shellSurface)
+    : ShellSurfaceGrabber(shellSurface,&move_grabber_interface)
+{
+}
+
+void ShellSurfaceMoveGrabber::focus(wl_pointer_grab *grab, wl_surface *surface, int32_t x, int32_t y)
+{
+    Q_UNUSED(grab);
+    Q_UNUSED(surface);
+    Q_UNUSED(x);
+    Q_UNUSED(y);
+}
+
+void ShellSurfaceMoveGrabber::motion(wl_pointer_grab *grab, uint32_t time, int32_t x, int32_t y)
+{
+    Q_UNUSED(time);
+    Q_UNUSED(x);
+    Q_UNUSED(y);
+    ShellSurfaceMoveGrabber *shell_surface_grabber = reinterpret_cast<ShellSurfaceMoveGrabber *>(grab);
+    ShellSurface *shell_surface = shell_surface_grabber->shell_surface;
+    wl_pointer *pointer = grab->pointer;
+    QPointF pos(wl_fixed_to_int(pointer->x) - shell_surface_grabber->offset_x,
+                wl_fixed_to_int(pointer->y) - shell_surface_grabber->offset_y);
+    shell_surface->surface()->setPos(pos);
+    if (shell_surface->transientParent())
+        shell_surface->setOffset(pos - shell_surface->transientParent()->surface()->pos());
+    shell_surface->surface()->damage(QRect(QPoint(0,0),shell_surface->surface()->size()));
+}
+
+void ShellSurfaceMoveGrabber::button(wl_pointer_grab *grab, uint32_t time, uint32_t button, uint32_t state)
+{
+    Q_UNUSED(time)
+    ShellSurfaceResizeGrabber *self = reinterpret_cast<ShellSurfaceResizeGrabber *>(grab);
+    ShellSurface *shell_surface = self->shell_surface;
+    if (toQtButton(button) == Qt::LeftButton && !state) {
+        wl_pointer_set_focus(grab->pointer, 0, 0, 0);
+        wl_pointer_end_grab(grab->pointer);
+        shell_surface->resetMoveGrabber();
+        delete self;
+    }
+}
+
+const struct wl_pointer_grab_interface ShellSurfaceMoveGrabber::move_grabber_interface = {
+    ShellSurfaceMoveGrabber::focus,
+    ShellSurfaceMoveGrabber::motion,
+    ShellSurfaceMoveGrabber::button
+};
+
+}
+
+QT_END_NAMESPACE