Changeset 642 for trunk/src/gui/itemviews/qfileiconprovider.cpp

Timestamp:

Mar 6, 2010, 12:32:46 AM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

gui: Use native file icons in standard Qt file dialogs.

File:

• trunk/src/gui/itemviews/qfileiconprovider.cpp (modified) (3 diffs)

trunk/src/gui/itemviews/qfileiconprovider.cpp

@@ -99 +99 @@
 #ifdef Q_WS_WIN
     QIcon getWinIcon(const QFileInfo &fi) const;
+#elif defined(Q_WS_PM)
+    QIcon getPmIcon(const QFileInfo &fi) const;
 #elif defined(Q_WS_MAC)
     QIcon getMacIcon(const QFileInfo &fi) const;
@@ -319 +321 @@
 }
 
+#elif defined(Q_WS_PM)
+QIcon QFileIconProviderPrivate::getPmIcon(const QFileInfo &fileInfo) const
+{
+    QIcon retIcon;
+
+    if (fileInfo.isRoot()) {
+        // Unfortunately, WinLoadFileIcon() returns a regular folder icon for
+        // paths like "C:\" (and nothing for "C:") instead of a drive icon.
+        // Getting the latter involves calling WPS object methods so we leave it
+        // out for now and let the stock Qt drive-specific icons be used instead.
+        return retIcon;
+    }
+
+    QByteArray path = QDir::toNativeSeparators(
+        QDir::cleanPath(fileInfo.absoluteFilePath())).toLocal8Bit();
+    HPOINTER hicon = WinLoadFileIcon(path, FALSE);
+    if (hicon != NULLHANDLE) {
+        // we're requesting the system (shared) icon handle which should be
+        // always the same for the given file until the icon is changed, so use
+        // the bitmap handles as a key in the pixmap cache
+        QString key = QString(QLatin1String("qt_hicon_%1")).arg(hicon);
+        QString keyMini = key + QLatin1String("_m");
+        QPixmap pixmap;
+        QPixmapCache::find(key, pixmap);
+        if (!pixmap.isNull()) {
+            retIcon.addPixmap(pixmap);
+            QPixmapCache::find(keyMini, pixmap);
+            if (!pixmap.isNull())
+                retIcon.addPixmap(pixmap);
+        } else {
+            QPixmap mini;
+            retIcon = QPixmap::fromPmHPOINTER(hicon, &pixmap, &mini);
+            if (!retIcon.isNull()) {
+                // store pixmaps in the cache
+                Q_ASSERT(!pixmap.isNull() || !mini.isNull());
+                if (!pixmap.isNull())
+                    QPixmapCache::insert(key, pixmap);
+                if (!mini.isNull())
+                    QPixmapCache::insert(keyMini, mini);
+            }
+        }
+    }
+
+    return retIcon;
+}
+
 #elif defined(Q_WS_MAC)
 QIcon QFileIconProviderPrivate::getMacIcon(const QFileInfo &fi) const
@@ -410 +458 @@
     if (!icon.isNull())
         return icon;
+#elif defined Q_WS_PM
+    if (QApplication::desktopSettingsAware()) {
+        QIcon icon= d->getPmIcon(info);
+        if (!icon.isNull())
+            return icon;
+    }
 #endif
     if (info.isRoot())