Changeset 343

Timestamp:

Nov 23, 2009, 11:37:40 PM (16 years ago)

Author:

Dmitry A. Kuminov

Message:

gui/kernel: mime: Implemented MIME<->clipboard interface for OS/2 bitmaps.

File:

• trunk/src/gui/kernel/qmime_pm.cpp (modified) (5 diffs)

trunk/src/gui/kernel/qmime_pm.cpp

@@ -409 +409 @@
                                       ULONG &flags, ULONG *data) const
 {
-    if (!mimeData->hasText())
+    if (!mimeData->hasText() ||
+        (format != CF_TEXT && format != CF_TextUnicode && format != CF_TextHtml))
         return false;
 
@@ -514 +515 @@
         !mimeType.startsWith("text/html"))
         return ret;
-    if (!(flags & CFI_POINTER) || !data)
+    if ((format != CF_TEXT && format != CF_TextUnicode && format != CF_TextHtml) ||
+        !(flags & CFI_POINTER) || !data)
         return ret;
 
@@ -549 +551 @@
 ////////////////////////////////////////////////////////////////////////////////
 
-class QPMMimeAnyMime : public QPMMime
+class QPMMimee : public QPMMime
 {
 public:
-    QPMMimeAnyMime();
+    QPMMimee();
 
     // for converting from Qt
@@ -558 +560 @@
     bool convertFromMimeData(const QMimeData *mimeData, ULONG format,
                              ULONG &flags, ULONG *data) const;
-
+    // for converting to Qt
+    QList<MimeCFPair> mimesForFormats(const QList<ULONG> &formats) const;
+    QVariant convertFromFormat(ULONG format, ULONG flags, ULONG data,
+                               const QString &mimeType,
+                               QVariant::Type preferredType) const;
+};
+
+QPMMimeImage::QPMMimeImage()
+{
+}
+
+QList<QPMMime::MimeCFPair> QPMMimeImage::formatsForMimeData(const QMimeData *mimeData) const
+{
+    QList<MimeCFPair> fmts;
+    if (mimeData->hasImage()) {
+        // "application/x-qt-image" seems to be used as a single name for all
+        // "image/xxx" types in Qt
+        fmts << MimeCFPair(QLatin1String("application/x-qt-image"), CF_BITMAP);
+    }
+    return fmts;
+}
+
+bool QPMMimeImage::convertFromMimeData(const QMimeData *mimeData, ULONG format,
+                                       ULONG &flags, ULONG *data) const
+{
+    if (!mimeData->hasImage() || format != CF_BITMAP)
+        return false;
+
+    flags = CFI_HANDLE;
+
+    if (data == NULL)
+        return true; // delayed rendering, nothing to do
+
+    QImage img = qvariant_cast<QImage>(mimeData->imageData());
+    if (img.isNull())
+        return false;
+
+    QPixmap pm = QPixmap::fromImage(img);
+    if (pm.isNull())
+        return false;
+
+    HBITMAP bmp = pm.toPmHBITMAP(0, true);
+    if (bmp == NULLHANDLE)
+        return false;
+
+    *data = bmp;
+    return true;
+}
+
+QList<QPMMime::MimeCFPair> QPMMimeImage::mimesForFormats(const QList<ULONG> &formats) const
+{
+    QList<MimeCFPair> mimes;
+    if (formats.contains(CF_BITMAP))
+        mimes << MimeCFPair(QLatin1String("application/x-qt-image"), CF_BITMAP);
+    return mimes;
+}
+
+QVariant QPMMimeImage::convertFromFormat(ULONG format, ULONG flags, ULONG data,
+                                         const QString &mimeType,
+                                         QVariant::Type preferredType) const
+{
+    Q_UNUSED(preferredType);
+
+    QVariant ret;
+
+    if (mimeType != QLatin1String("application/x-qt-image"))
+        return ret;
+    if (format != CF_BITMAP || !(flags & CFI_HANDLE) || !data)
+        return ret;
+
+    QPixmap pm = QPixmap::fromPmHBITMAP((HBITMAP)data);
+    if (pm.isNull())
+        return ret;
+
+    ret = pm.toImage();
+    return ret;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+class QPMMimeAnyMime : public QPMMime
+{
+public:
+    QPMMimeAnyMime();
+
+    // for converting from Qt
+    QList<MimeCFPair> formatsForMimeData(const QMimeData *mimeData) const;
+    bool convertFromMimeData(const QMimeData *mimeData, ULONG format,
+                             ULONG &flags, ULONG *data) const;
     // for converting to Qt
     QList<MimeCFPair> mimesForFormats(const QList<ULONG> &formats) const;
@@ -756 +846 @@
         initialized = true;
         new QPMMimeAnyMime; // must be the first (used as a fallback)
+
         new QPMMimeText;
     }