Changeset 326 for trunk/src/gui

Timestamp:

Nov 19, 2009, 2:44:19 AM (16 years ago)

Author:

Dmitry A. Kuminov

Message:

gui/kernel: QClipboard: Added watching for the clipboard data changes and support for delayed data rendering.

Location:

trunk/src/gui/kernel

Files:

• qclipboard_pm.cpp (modified) (9 diffs)
• qmime.h (modified) (1 diff)

trunk/src/gui/kernel/qclipboard_pm.cpp

@@ -92 +92 @@
     if (!WinOpenClipbrd(NULLHANDLE)) {
 #ifndef QT_NO_DEBUG
-        qWarning("QClipboardWatcher: WinOpenClipbrd failed with 0x%lX",
-                 WinGetLastError(NULLHANDLE));
+        qWarning("QClipboardWatcher:
+                 WinGetLastError(NULLHANDLE));
 #endif
         return;
@@ -168 +168 @@
     ~QClipboardData();
 
-    void setSource(QMimeData *s)
+    void setSource(QMimeData *s);
+
+    void setAsClipboardViewer();
+    bool ownsClipboard();
+    void renderAllFormats(bool isDelayed);
+
+    static QClipboardData *instance()
     {
-        if (s == src)
-            return;
-        delete src;
-        src = s;
-    }
-
-    QMimeData *source()
+        if (instancePtr == 0) {
+            instancePtr = new QClipboardData;
+        }
+        Q_ASSERT(instancePtr);
+        return instancePtr;
+    }
+
+    static void deleteInstance()
     {
-        return src;
-    }
-
+        delete instancePtr;
+        instancePtr = 0;
+    }
+
+private:
+    bool openClipboard();
+    void closeClipboard();
     bool setClipboard(QPMMime *converter, ULONG format, bool isDelayed);
+
 
     MRESULT message(ULONG msg, MPARAM mp1, MPARAM mp2);
 
-private:
     QMimeData *src;
+
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+
 };
 
-QClipboardData::QClipboardData() : src(0)
+// static
+QClipboardData *QClipboardData::instancePtr = 0;
+
+QClipboardData::QClipboardData()
+    : src(0), prevClipboardViewer(NULLHANDLE)
+    , ignore_WM_DESTROYCLIPBOARD(false)
 {
 }
@@ -195 +217 @@
 QClipboardData::~QClipboardData()
 {
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     delete src;
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