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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kolourpaint/views/kpunzoomedthumbnailview.cpp
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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diff --git a/kolourpaint/views/kpunzoomedthumbnailview.cpp b/kolourpaint/views/kpunzoomedthumbnailview.cpp
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+
+/*
+ Copyright (c) 2003,2004,2005 Clarence Dang <dang@kde.org>
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. 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.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+*/
+
+
+#define DEBUG_KP_UNZOOMED_THUMBNAIL_VIEW 0
+
+
+#include <kpunzoomedthumbnailview.h>
+
+#include <kdebug.h>
+#include <klocale.h>
+
+#include <kpdocument.h>
+#include <kpviewmanager.h>
+#include <kpviewscrollablecontainer.h>
+
+
+struct kpUnzoomedThumbnailViewPrivate
+{
+};
+
+
+kpUnzoomedThumbnailView::kpUnzoomedThumbnailView (
+ kpDocument *document,
+ kpToolToolBar *toolToolBar,
+ kpViewManager *viewManager,
+ kpView *buddyView,
+ kpViewScrollableContainer *scrollableContainer,
+ QWidget *parent, const char *name)
+
+ : kpThumbnailView (document, toolToolBar, viewManager,
+ buddyView,
+ scrollableContainer,
+ parent, name),
+ d (new kpUnzoomedThumbnailViewPrivate ())
+{
+ if (buddyViewScrollableContainer ())
+ {
+ connect (buddyViewScrollableContainer (),
+ SIGNAL (contentsMovingSoon (int, int)),
+ this,
+ SLOT (adjustToEnvironment ()));
+ }
+
+ // Call to virtual function - this is why the class is sealed
+ adjustToEnvironment ();
+}
+
+
+kpUnzoomedThumbnailView::~kpUnzoomedThumbnailView ()
+{
+ delete d;
+}
+
+
+// public virtual [base kpThumbnailView]
+QString kpUnzoomedThumbnailView::caption () const
+{
+ return i18n ("Unzoomed Mode - Thumbnail");
+}
+
+
+// public slot virtual [base kpView]
+void kpUnzoomedThumbnailView::adjustToEnvironment ()
+{
+ if (!buddyView () || !buddyViewScrollableContainer () || !document ())
+ return;
+
+ const int scrollViewContentsX =
+ buddyViewScrollableContainer ()->contentsXSoon ();
+ const int scrollViewContentsY =
+ buddyViewScrollableContainer ()->contentsYSoon ();
+
+#if DEBUG_KP_UNZOOMED_THUMBNAIL_VIEW
+ kdDebug () << "kpUnzoomedThumbnailView(" << name ()
+ << ")::adjustToEnvironment("
+ << scrollViewContentsX
+ << ","
+ << scrollViewContentsY
+ << ") width=" << width ()
+ << " height=" << height ()
+ << endl;
+#endif
+
+
+#if 1
+ int x;
+ if (document ()->width () > width ())
+ {
+ x = (int) buddyView ()->transformViewToDocX (scrollViewContentsX);
+ const int rightMostAllowedX = QMAX (0, document ()->width () - width ());
+ #if DEBUG_KP_UNZOOMED_THUMBNAIL_VIEW
+ kdDebug () << "\tdocX=" << x
+ << " docWidth=" << document ()->width ()
+ << " rightMostAllowedX=" << rightMostAllowedX
+ << endl;
+ #endif
+ if (x > rightMostAllowedX)
+ x = rightMostAllowedX;
+ }
+ // Thumbnail width <= doc width
+ else
+ {
+ // Centre X (rather than flush left to be consistent with
+ // kpZoomedThumbnailView)
+ x = -(width () - document ()->width ()) / 2;
+ }
+
+
+ int y;
+ if (document ()->height () > height ())
+ {
+ y = (int) buddyView ()->transformViewToDocY (scrollViewContentsY);
+ const int bottomMostAllowedY = QMAX (0, document ()->height () - height ());
+ #if DEBUG_KP_UNZOOMED_THUMBNAIL_VIEW
+ kdDebug () << "\tdocY=" << y
+ << " docHeight=" << document ()->height ()
+ << " bottomMostAllowedY=" << bottomMostAllowedY
+ << endl;
+ #endif
+ if (y > bottomMostAllowedY)
+ y = bottomMostAllowedY;
+ }
+ // Thumbnail height <= doc height
+ else
+ {
+ // Centre Y (rather than flush top to be consistent with
+ // kpZoomedThumbnailView)
+ y = -(height () - document ()->height ()) / 2;
+ }
+// Prefer to keep visible area centred in thumbnail instead of flushed left.
+// Gives more editing context to the left and top.
+// But feels awkward for left-to-right users. So disabled for now.
+// Not totally tested.
+#else
+ if (!buddyViewScrollableContainer ())
+ return;
+
+ QRect docRect = buddyView ()->transformViewToDoc (
+ QRect (buddyViewScrollableContainer ()->contentsXSoon (),
+ buddyViewScrollableContainer ()->contentsYSoon (),
+ QMIN (buddyView ()->width (), buddyViewScrollableContainer ()->visibleWidth ()),
+ QMIN (buddyView ()->height (), buddyViewScrollableContainer ()->visibleHeight ())));
+
+ x = docRect.x () - (width () - docRect.width ()) / 2;
+ kdDebug () << "\tnew suggest x=" << x << endl;
+ const int rightMostAllowedX = QMAX (0, document ()->width () - width ());
+ if (x < 0)
+ x = 0;
+ if (x > rightMostAllowedX)
+ x = rightMostAllowedX;
+
+ y = docRect.y () - (height () - docRect.height ()) / 2;
+ kdDebug () << "\tnew suggest y=" << y << endl;
+ const int bottomMostAllowedY = QMAX (0, document ()->height () - height ());
+ if (y < 0)
+ y = 0;
+ if (y > bottomMostAllowedY)
+ y = bottomMostAllowedY;
+#endif
+
+
+ if (viewManager ())
+ {
+ viewManager ()->setFastUpdates ();
+ viewManager ()->setQueueUpdates ();
+ }
+
+ {
+ // OPT: scrollView impl would be much, much faster
+ setOrigin (QPoint (-x, -y));
+ setMaskToCoverDocument ();
+
+ // Above might be a NOP even if e.g. doc size changed so force
+ // update
+ if (viewManager ())
+ viewManager ()->updateView (this);
+ }
+
+ if (viewManager ())
+ {
+ viewManager ()->restoreQueueUpdates ();
+ viewManager ()->restoreFastUpdates ();
+ }
+}
+
+
+#include <kpunzoomedthumbnailview.moc>