xcb: rename two classes in qxcbbackingstore

QXcbShmImage to QXcbBackingStoreImage as it is an image that
might or might not have SHM capability. The current name implies
that it always uses SHM.

QXcbShmGraphicsBuffer to QXcbGraphicsBuffer as it has nothing to
do with SHM.

Change-Id: I57ced75891e8b10515142769278a7f3f40da91ef
Reviewed-by: Alexander Volkov <a.volkov@rusbitech.ru>
Reviewed-by: Błażej Szczygieł <spaz16@wp.pl>
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>

2 files changed, 23 insertions, 23 deletions

diff --git a/src/plugins/platforms/xcb/qxcbbackingstore.cpp b/src/plugins/platforms/xcb/qxcbbackingstore.cpp
index 70d1757af4..6efdb2d834 100644
--- a/src/plugins/platforms/xcb/qxcbbackingstore.cpp
+++ b/src/plugins/platforms/xcb/qxcbbackingstore.cpp
@@ -70,11 +70,11 @@
 
 QT_BEGIN_NAMESPACE
 
-class QXcbShmImage : public QXcbObject
+class QXcbBackingStoreImage : public QXcbObject
 {
 public:
-    QXcbShmImage(QXcbScreen *connection, const QSize &size, uint depth, QImage::Format format);
-    ~QXcbShmImage() { destroy(true); }
+    QXcbBackingStoreImage(QXcbScreen *connection, const QSize &size, uint depth, QImage::Format format);
+    ~QXcbBackingStoreImage() { destroy(true); }
 
     void resize(const QSize &size);
 
@@ -140,10 +140,10 @@ private:
     bool m_clientSideScroll;
 };
 
-class QXcbShmGraphicsBuffer : public QPlatformGraphicsBuffer
+class QXcbGraphicsBuffer : public QPlatformGraphicsBuffer
 {
 public:
-    QXcbShmGraphicsBuffer(QImage *image)
+    QXcbGraphicsBuffer(QImage *image)
         : QPlatformGraphicsBuffer(image->size(), QImage::toPixelFormat(image->format()))
         , m_access_lock(QPlatformGraphicsBuffer::None)
         , m_image(image)
@@ -175,7 +175,7 @@ static inline size_t imageDataSize(const xcb_image_t *image)
     return static_cast<size_t>(image->stride) * image->height;
 }
 
-QXcbShmImage::QXcbShmImage(QXcbScreen *screen, const QSize &size, uint depth, QImage::Format format)
+QXcbBackingStoreImage::QXcbBackingStoreImage(QXcbScreen *screen, const QSize &size, uint depth, QImage::Format format)
     : QXcbObject(screen->connection())
     , m_screen_root(screen->screen()->root)
     , m_segmentSize(0)
@@ -196,7 +196,7 @@ QXcbShmImage::QXcbShmImage(QXcbScreen *screen, const QSize &size, uint depth, QI
     create(size, fmt, format);
 }
 
-void QXcbShmImage::resize(const QSize &size)
+void QXcbBackingStoreImage::resize(const QSize &size)
 {
     xcb_format_t fmt;
     fmt.depth = m_xcb_image->depth;
@@ -207,7 +207,7 @@ void QXcbShmImage::resize(const QSize &size)
     create(size, &fmt, m_qimage.format());
 }
 
-void QXcbShmImage::create(const QSize &size, const xcb_format_t *fmt, QImage::Format format)
+void QXcbBackingStoreImage::create(const QSize &size, const xcb_format_t *fmt, QImage::Format format)
 {
     m_xcb_image = xcb_image_create(size.width(), size.height(),
                                    XCB_IMAGE_FORMAT_Z_PIXMAP,
@@ -232,7 +232,7 @@ void QXcbShmImage::create(const QSize &size, const xcb_format_t *fmt, QImage::Fo
     m_xcb_image->data = m_shm_info.shmaddr ? m_shm_info.shmaddr : (uint8_t *)malloc(segmentSize);
 
     m_qimage = QImage( (uchar*) m_xcb_image->data, m_xcb_image->width, m_xcb_image->height, m_xcb_image->stride, format);
-    m_graphics_buffer = new QXcbShmGraphicsBuffer(&m_qimage);
+    m_graphics_buffer = new QXcbGraphicsBuffer(&m_qimage);
 
     m_xcb_pixmap = xcb_generate_id(xcb_connection());
     xcb_create_pixmap(xcb_connection(),
@@ -242,7 +242,7 @@ void QXcbShmImage::create(const QSize &size, const xcb_format_t *fmt, QImage::Fo
                       m_xcb_image->width, m_xcb_image->height);
 }
 
-void QXcbShmImage::destroy(bool destroyShm)
+void QXcbBackingStoreImage::destroy(bool destroyShm)
 {
     if (m_xcb_image->data) {
         if (m_shm_info.shmaddr) {
@@ -268,7 +268,7 @@ void QXcbShmImage::destroy(bool destroyShm)
     m_xcb_pixmap = 0;
 }
 
-void QXcbShmImage::flushScrolledRegion(bool clientSideScroll)
+void QXcbBackingStoreImage::flushScrolledRegion(bool clientSideScroll)
 {
     if (m_clientSideScroll == clientSideScroll)
        return;
@@ -316,7 +316,7 @@ void QXcbShmImage::flushScrolledRegion(bool clientSideScroll)
     }
 }
 
-void QXcbShmImage::createShmSegment(size_t segmentSize)
+void QXcbBackingStoreImage::createShmSegment(size_t segmentSize)
 {
     Q_ASSERT(connection()->hasShm());
     Q_ASSERT(m_segmentSize == 0);
@@ -400,7 +400,7 @@ void QXcbShmImage::createShmSegment(size_t segmentSize)
     }
 }
 
-void QXcbShmImage::destroyShmSegment(size_t segmentSize)
+void QXcbBackingStoreImage::destroyShmSegment(size_t segmentSize)
 {
 #ifndef XCB_USE_SHM_FD
     Q_UNUSED(segmentSize)
@@ -433,7 +433,7 @@ void QXcbShmImage::destroyShmSegment(size_t segmentSize)
 
 extern void qt_scrollRectInImage(QImage &img, const QRect &rect, const QPoint &offset);
 
-bool QXcbShmImage::scroll(const QRegion &area, int dx, int dy)
+bool QXcbBackingStoreImage::scroll(const QRegion &area, int dx, int dy)
 {
     const QRect bounds(QPoint(), size());
     const QRegion scrollArea(area & bounds);
@@ -477,7 +477,7 @@ bool QXcbShmImage::scroll(const QRegion &area, int dx, int dy)
     return true;
 }
 
-void QXcbShmImage::ensureGC(xcb_drawable_t dst)
+void QXcbBackingStoreImage::ensureGC(xcb_drawable_t dst)
 {
     if (m_gc_drawable != dst) {
         if (m_gc)
@@ -557,7 +557,7 @@ static inline quint32 round_up_scanline(quint32 base, quint32 pad)
     return (base + pad - 1) & -pad;
 }
 
-void QXcbShmImage::shmPutImage(xcb_drawable_t drawable, const QRegion &region, const QPoint &offset)
+void QXcbBackingStoreImage::shmPutImage(xcb_drawable_t drawable, const QRegion &region, const QPoint &offset)
 {
     for (const QRect &rect : region) {
         const QPoint source = rect.translated(offset).topLeft();
@@ -578,7 +578,7 @@ void QXcbShmImage::shmPutImage(xcb_drawable_t drawable, const QRegion &region, c
     m_dirtyShm |= region.translated(offset);
 }
 
-void QXcbShmImage::flushPixmap(const QRegion &region, bool fullRegion)
+void QXcbBackingStoreImage::flushPixmap(const QRegion &region, bool fullRegion)
 {
     if (!fullRegion) {
         auto actualRegion = m_pendingFlush.intersected(region);
@@ -647,7 +647,7 @@ void QXcbShmImage::flushPixmap(const QRegion &region, bool fullRegion)
     }
 }
 
-void QXcbShmImage::setClip(const QRegion &region)
+void QXcbBackingStoreImage::setClip(const QRegion &region)
 {
     if (region.isEmpty()) {
         static const uint32_t mask = XCB_GC_CLIP_MASK;
@@ -663,7 +663,7 @@ void QXcbShmImage::setClip(const QRegion &region)
     }
 }
 
-void QXcbShmImage::put(xcb_drawable_t dst, const QRegion &region, const QPoint &offset)
+void QXcbBackingStoreImage::put(xcb_drawable_t dst, const QRegion &region, const QPoint &offset)
 {
     Q_ASSERT(!m_clientSideScroll);
 
@@ -704,7 +704,7 @@ void QXcbShmImage::put(xcb_drawable_t dst, const QRegion &region, const QPoint &
     setClip(QRegion());
 }
 
-void QXcbShmImage::preparePaint(const QRegion &region)
+void QXcbBackingStoreImage::preparePaint(const QRegion &region)
 {
     if (hasShm()) {
         // to prevent X from reading from the image region while we're writing to it
@@ -860,7 +860,7 @@ void QXcbBackingStore::resize(const QSize &size, const QRegion &)
         m_image->resize(size);
     } else {
         QXcbScreen *screen = static_cast<QXcbScreen *>(window()->screen()->handle());
-        m_image = new QXcbShmImage(screen, size, win->depth(), win->imageFormat());
+        m_image = new QXcbBackingStoreImage(screen, size, win->depth(), win->imageFormat());
     }
 
     // Slow path for bgr888 VNC: Create an additional image, paint into that and
diff --git a/src/plugins/platforms/xcb/qxcbbackingstore.h b/src/plugins/platforms/xcb/qxcbbackingstore.h
index 2e8fbfb7fa..f40030001b 100644
--- a/src/plugins/platforms/xcb/qxcbbackingstore.h
+++ b/src/plugins/platforms/xcb/qxcbbackingstore.h
@@ -49,7 +49,7 @@
 
 QT_BEGIN_NAMESPACE
 
-class QXcbShmImage;
+class QXcbBackingStoreImage;
 
 class QXcbBackingStore : public QXcbObject, public QPlatformBackingStore
 {
@@ -75,7 +75,7 @@ public:
     void endPaint() override;
 
 private:
-    QXcbShmImage *m_image;
+    QXcbBackingStoreImage *m_image;
     QStack<QRegion> m_paintRegions;
     QImage m_rgbImage;
 };