author | Pat Downey <patrick.downey@nokia.com> |
Fri, 03 Jul 2009 15:54:40 +0100 | |
changeset 5 | 10e98eab6f85 |
parent 1 | 7c90e6132015 |
child 10 | a359256acfc6 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Frame in webkit side |
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* |
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*/ |
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|
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#include "config.h" |
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#include <../bidi.h> |
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#include <e32math.h> |
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#include <e32base.h> |
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#include "WebTabbedNavigation.h" |
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#include "WebUtil.h" |
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#include "Document.h" |
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#include "Frame.h" |
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#include "HitTestRequest.h" |
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#include "HitTestResult.h" |
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#include "HTMLNames.h" |
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#include "FrameTree.h" |
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#include "BrCtlDefs.h" |
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#include "WebCursor.h" |
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#include "StaticObjectsContainer.h" |
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#include "Page.h" |
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#include "WebView.h" |
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#include "WebFrame.h" |
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#include "WebFrameView.h" |
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#include <wtf/RefPtr.h> |
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#include "EventHandler.h" |
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#include "webkitlogger.h" |
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#include "FocusController.h" |
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#include "RenderListBox.h" |
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#include "HTMLSelectElement.h" |
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#include "HTMLInputElement.h" |
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using namespace WebCore; |
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using namespace HTMLNames; |
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const int KMaxJumpPercent = 90; |
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const int KScrollWhenNotFound = 5; |
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|
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WebTabbedNavigation::WebTabbedNavigation(WebView* webView) |
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{ |
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m_webView = webView; |
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clear(); |
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} |
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WebTabbedNavigation::~WebTabbedNavigation() |
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{ |
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} |
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|
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void WebTabbedNavigation::clear() |
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{ |
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// Different initialization for mirrored layouts? |
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m_selectedElementRect.SetRect(0, 0, m_webView->Rect().Width(), 0); |
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m_initializedForPage = false; |
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m_firstNavigationOnPage = true; |
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m_focusPosition = TPoint(0,0); |
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m_node = NULL; |
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} |
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|
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void WebTabbedNavigation::initializeForPage() |
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{ |
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if (!m_initializedForPage) { |
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if (navigate(0, 1)) { |
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m_initializedForPage = true; |
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m_firstNavigationOnPage = false; |
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} |
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} |
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} |
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void WebTabbedNavigation::updateCursorPosition(const TPoint& pos) |
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{ |
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m_focusPosition = pos; |
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WebFrame* frame = StaticObjectsContainer::instance()->webCursor()->getFrameAtPoint(pos); |
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TPoint point(frame->frameView()->viewCoordsInFrameCoords(pos)); |
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Element* node = core(frame)->document()->elementFromPoint(point.iX, point.iY); |
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if (node->isFocusable() && !node->hasTagName(iframeTag) && !node->hasTagName(frameTag)) |
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m_webView->page()->focusController()->setFocusedNode(node, core(frame)); |
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else |
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m_webView->page()->focusController()->setFocusedNode(NULL, core(frame)); |
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m_selectedElementRect.SetRect(pos.iX, pos.iY, pos.iX + 1, pos.iY + 1); |
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} |
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void WebTabbedNavigation::focusedElementChanged(Element* element) |
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{ |
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m_initializedForPage = true; |
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m_firstNavigationOnPage = false; |
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m_node = element; |
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m_selectedElementRect = element->getRect().Rect(); |
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m_focusPosition = StaticObjectsContainer::instance()->webCursor()->position(); |
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} |
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bool WebTabbedNavigation::navigate(int horizontalDir, int verticalDir) |
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{ |
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if (handleSelectElementScrolling(m_webView, verticalDir)) { |
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StaticObjectsContainer::instance()->webCursor()->cursorUpdate(true); |
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return true; |
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} |
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bool ret = m_firstNavigationOnPage; |
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Frame* focusedFrame = m_webView->page()->focusController()->focusedFrame(); |
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if (focusedFrame == NULL) focusedFrame = m_webView->page()->mainFrame(); |
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if (focusedFrame->document()) { |
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Node* focusNode = focusedFrame->document()->focusedNode(); |
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if (focusNode) { |
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m_node = focusNode; |
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m_selectedElementRect = focusNode->getRect().Rect(); |
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Frame* frame = focusNode->document()->frame(); |
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m_selectedElementRect = TRect(kit(frame)->frameView()->frameCoordsInViewCoords(m_selectedElementRect.iTl), |
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kit(frame)->frameView()->frameCoordsInViewCoords(m_selectedElementRect.iBr)); |
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} |
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} |
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TPoint oldFocusPoint(m_focusPosition); |
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// Move the focus to the edge of the current object |
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if (horizontalDir == -1) { |
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m_focusPosition.iX = m_selectedElementRect.iTl.iX; |
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} |
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else if (horizontalDir == 1) { |
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m_focusPosition.iX = m_selectedElementRect.iBr.iX; |
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} |
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if (verticalDir == -1) { |
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m_focusPosition.iY = m_selectedElementRect.iTl.iY; |
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} |
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else if (verticalDir == 1) { |
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m_focusPosition.iY = m_selectedElementRect.iBr.iY; |
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} |
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wkDebug()<<"WebTabbedNavigation::navigate. x = "<<m_focusPosition.iX<<" y = "<<m_focusPosition.iY<<flush; |
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wkDebug()<<"x1 = "<<m_selectedElementRect.iTl.iX<<" y1 = "<<m_selectedElementRect.iTl.iY<<" x2 = "<<m_selectedElementRect.iBr.iX<<" y2 = "<<m_selectedElementRect.iBr.iY<<flush; |
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139 |
|
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// Adjust the move |
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TPoint br; |
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br.iX = m_webView->Rect().iBr.iX * KMaxJumpPercent / m_webView->scalingFactor(); |
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br.iY = m_webView->Rect().iBr.iY * KMaxJumpPercent / m_webView->scalingFactor(); |
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TRect view; |
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// define the view rect where we are looking for a match |
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if (horizontalDir == -1) { |
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view.SetRect(m_focusPosition.iX - br.iX, m_focusPosition.iY - br.iY, m_focusPosition.iX, m_focusPosition.iY + br.iY); |
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} |
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else if (horizontalDir == 1) { |
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view.SetRect(m_focusPosition.iX, m_focusPosition.iY - br.iY, m_focusPosition.iX + br.iX, m_focusPosition.iY + br.iY); |
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} |
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else if (verticalDir == -1) { |
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view.SetRect(m_focusPosition.iX - br.iX, m_focusPosition.iY - br.iY, m_focusPosition.iX + br.iX, m_focusPosition.iY); |
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} |
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else if (verticalDir == 1) { |
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view.SetRect(m_focusPosition.iX - br.iX, m_focusPosition.iY, m_focusPosition.iX + br.iX, m_focusPosition.iY + br.iY); |
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} |
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//wkDebug()<<"view x1 = "<<view.iTl.iX<<" y1 = "<<view.iTl.iY<<" x2 = "<<view.iBr.iX<<" y2 = "<<view.iBr.iY<<flush; |
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// walk all focusable nodes |
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Frame* f = m_webView->page()->mainFrame(); |
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TPoint selectedPoint(0, 0); |
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TRect selectedRect(0, 0, 0, 0); |
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Node* selectedNode = NULL; |
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while ( f ) { |
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PassRefPtr<HTMLCollection> elements = f->document()->all(); |
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TRect frameRect = kit(f)->frameView()->rectInGlobalCoords(); |
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for (Node* n = elements->firstItem(); n; n = elements->nextItem()) { |
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if (n == m_node) continue; |
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if (n->isFocusable() && n->isElementNode() && !n->hasTagName(iframeTag) && !n->hasTagName(frameTag)) { |
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// Does the node intersect with the view rect? |
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TRect nodeRect = n->getRect().Rect(); |
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//wkDebug()<<"Each node rect x1 = "<<nodeRect.iTl.iX<<" y1 = "<<nodeRect.iTl.iY<<" x2 = "<<nodeRect.iBr.iX<<" y2 = "<<nodeRect.iBr.iY<<flush; |
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nodeRect = TRect(kit(f)->frameView()->frameCoordsInViewCoords(nodeRect.iTl), |
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kit(f)->frameView()->frameCoordsInViewCoords(nodeRect.iBr)); |
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if (nodeRect.Intersects(view)) { |
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// Compare nodes and select the best fit |
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TPoint newFocusPoint = potentialFocusPoint(horizontalDir, verticalDir, nodeRect); |
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wkDebug()<<"Matching node rect x1 = "<<nodeRect.iTl.iX<<" y1 = "<<nodeRect.iTl.iY<<" x2 = "<<nodeRect.iBr.iX<<" y2 = "<<nodeRect.iBr.iY<<flush; |
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if (selectNode(horizontalDir, verticalDir, selectedRect, nodeRect, selectedPoint, newFocusPoint)) { |
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// found a better fit |
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selectedNode = n; |
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selectedRect.SetRect(nodeRect.iTl, nodeRect.iBr); |
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selectedPoint = newFocusPoint; |
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|
184 |
} |
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185 |
} // if (nodeRect.Intersects(rect[i]) |
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} // if (n->isFocusable() && n->isElementNode()) |
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} // for (Node* n = elements->firstItem(); n; n = elements->nextItem()) |
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188 |
f = f->tree()->traverseNext(); |
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189 |
} // while ( f ) |
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|
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// Remember new selection |
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|
191 |
TPoint contentPos = m_webView->mainFrame()->frameView()->contentPos(); |
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192 |
if (selectedNode) { |
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|
193 |
// Found an element to jump to |
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|
194 |
m_selectedElementRect = selectedRect; |
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|
195 |
m_focusPosition = selectedPoint; |
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m_node = selectedNode; |
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197 |
selectedNode->document()->setFocusedNode(selectedNode); |
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|
198 |
m_webView->page()->focusController()->setFocusedFrame(selectedNode->document()->frame()); |
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|
199 |
// And scroll to the selected element |
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|
200 |
RenderLayer *layer = selectedNode->renderer()->enclosingLayer(); |
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201 |
if (layer) { |
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202 |
layer->scrollRectToVisible(selectedNode->getRect(), RenderLayer::gAlignCenterIfNeeded, RenderLayer::gAlignCenterIfNeeded); |
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|
203 |
TRect newRect = TRect(kit(selectedNode->document()->frame())->frameView()->frameCoordsInViewCoords(selectedNode->getRect().Rect().iTl), |
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|
204 |
kit(selectedNode->document()->frame())->frameView()->frameCoordsInViewCoords(selectedNode->getRect().Rect().iBr)); |
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205 |
selectedPoint += (newRect.iTl - selectedRect.iTl); |
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|
206 |
m_focusPosition = selectedPoint; |
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|
207 |
selectedRect = newRect; |
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|
208 |
m_selectedElementRect = selectedRect; |
5 | 209 |
|
210 |
int x, y; |
|
211 |
selectedNode->renderer()->absolutePosition(x, y); |
|
212 |
Vector<IntRect> rects; |
|
213 |
selectedNode->renderer()->absoluteRects(rects, x, y); |
|
214 |
WebFrameView* fv = kit(selectedNode->document()->frame())->frameView(); |
|
215 |
if (rects.size() > 0) { |
|
216 |
selectedPoint = TPoint(rects[0].x(), rects[0].y()); |
|
217 |
selectedPoint = fv->frameCoordsInViewCoords(selectedPoint); |
|
218 |
} |
|
0
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219 |
StaticObjectsContainer::instance()->webCursor()->updatePositionAndElemType(selectedPoint); |
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220 |
// special handling for Select-Multi |
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|
221 |
if (m_webView->focusedElementType() == TBrCtlDefs::EElementSelectMultiBox) { |
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|
222 |
Element* e = static_cast<Element*>(m_node); |
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|
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if (e->isControl()) { |
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|
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HTMLGenericFormElement* ie = static_cast<HTMLGenericFormElement*>( e ); |
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|
225 |
if (ie->type() == "select-multiple") { |
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|
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RenderListBox* render = static_cast<RenderListBox*>(e->renderer()); |
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HTMLSelectElement* selectElement = static_cast<HTMLSelectElement*>( e ); |
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IntRect itemRect = render->itemRect(0, 0, 0); |
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229 |
TPoint cursorPoint(StaticObjectsContainer::instance()->webCursor()->position()); |
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230 |
int gap = (20 * m_webView->scalingFactor()) / 100; |
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|
231 |
cursorPoint.iX = max(m_focusPosition.iX, m_selectedElementRect.iTl.iX + gap); |
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cursorPoint.iX = std::min(cursorPoint.iX, m_selectedElementRect.iBr.iX - gap); |
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|
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if (verticalDir == -1) { |
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|
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cursorPoint.iY -= (itemRect.height() * m_webView->scalingFactor()) / 125; |
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|
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} |
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|
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if (cursorPoint != StaticObjectsContainer::instance()->webCursor()->position()) { |
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|
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StaticObjectsContainer::instance()->webCursor()->setPosition(cursorPoint); |
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|
238 |
} |
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|
239 |
} |
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|
240 |
} |
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|
241 |
} |
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TPointerEvent event; |
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|
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event.iPosition = StaticObjectsContainer::instance()->webCursor()->position(); |
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|
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event.iModifiers = 0; |
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event.iType = TPointerEvent::EMove; |
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|
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core(m_webView->mainFrame())->eventHandler()->handleMouseMoveEvent(PlatformMouseEvent(event)); |
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|
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wkDebug()<<"Focus position x = "<<selectedPoint.iX<<" y = "<<selectedPoint.iY<<flush; |
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ret = true; |
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249 |
} |
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250 |
} |
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|
251 |
else { |
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if (!m_firstNavigationOnPage) { |
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|
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m_webView->mainFrame()->frameView()->scrollTo(contentPos + TPoint(horizontalDir * m_webView->Rect().Width() / KScrollWhenNotFound, verticalDir * m_webView->Rect().Height() / KScrollWhenNotFound)); |
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|
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TPoint diff(m_webView->mainFrame()->frameView()->contentPos() - contentPos); |
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|
255 |
if (diff.iX || diff.iY) { |
5 | 256 |
Frame* focusedFrame = m_webView->page()->focusController()->focusedFrame(); |
257 |
if (focusedFrame == NULL) focusedFrame = m_webView->page()->mainFrame(); |
|
258 |
Node* focusNode = focusedFrame->document()->focusedNode(); |
|
259 |
if (focusNode) { |
|
260 |
TRect selectedRect = focusNode->getRect().Rect(); |
|
261 |
selectedRect = TRect(kit(focusedFrame)->frameView()->frameCoordsInViewCoords(selectedRect.iTl), |
|
262 |
kit(focusedFrame)->frameView()->frameCoordsInViewCoords(selectedRect.iBr)); |
|
263 |
if (!selectedRect.Intersects(kit(focusedFrame)->frameView()->visibleRect())) |
|
264 |
m_webView->page()->focusController()->setFocusedNode(NULL,0); |
|
265 |
} |
|
0
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|
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m_selectedElementRect.Move(diff); |
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|
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m_focusPosition = oldFocusPoint + diff; |
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|
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m_node = NULL; |
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|
269 |
StaticObjectsContainer::instance()->webCursor()->updatePositionAndElemType(m_focusPosition - m_webView->mainFrame()->frameView()->contentPos()); |
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|
270 |
ret = true; |
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|
271 |
} |
1
7c90e6132015
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diff
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|
272 |
else |
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diff
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|
273 |
{ |
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|
274 |
m_focusPosition = oldFocusPoint; |
7c90e6132015
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0
diff
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|
275 |
} |
0
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|
276 |
} |
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|
277 |
} |
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|
278 |
StaticObjectsContainer::instance()->webCursor()->cursorUpdate(true); |
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|
279 |
return ret; |
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|
280 |
} |
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|
281 |
|
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|
282 |
bool WebTabbedNavigation::selectNode(int horizontalDir, int verticalDir, TRect& selectedRect, TRect& newNodeRect, TPoint& selectedPoint, TPoint& newFocusPoint) |
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|
283 |
{ |
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|
284 |
if (selectedPoint == TPoint(0, 0)) { // first selected node fixme: ensure not to divert direction too much |
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|
285 |
return true; |
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|
286 |
} |
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|
287 |
int selectedDist = distanceFunction(horizontalDir, verticalDir, selectedRect, selectedPoint); |
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|
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int newDist = distanceFunction(horizontalDir, verticalDir, newNodeRect, newFocusPoint); |
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|
289 |
wkDebug()<<"WebTabbedNavigation::selectNode. selected x = "<<selectedPoint.iX<<" y = "<<selectedPoint.iY<<" new x = "<<newFocusPoint.iX<<" y = "<<newFocusPoint.iY<<"old distance = "<<selectedDist<<" new distance = "<<newDist<<flush; |
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|
290 |
return newDist < selectedDist; |
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|
291 |
} |
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|
292 |
|
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|
293 |
TPoint WebTabbedNavigation::potentialFocusPoint(int horizontalDir, int verticalDir, TRect& newNodeRect) |
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|
294 |
{ |
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|
295 |
int x = 0; |
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|
296 |
int y = 0; |
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|
297 |
// Focus points must be inside the element and not on the border in order for the outline to be drawn. |
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|
298 |
if (horizontalDir) { // horizontal |
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|
299 |
if (horizontalDir == -1) { // left |
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|
300 |
x = newNodeRect.iBr.iX - 1; |
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|
301 |
} |
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|
302 |
else if (horizontalDir == 1) { // right |
dd21522fd290
Revision: 200911
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diff
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|
303 |
x = newNodeRect.iTl.iX + 1; |
dd21522fd290
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|
304 |
} |
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Revision: 200911
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parents:
diff
changeset
|
305 |
if (newNodeRect.iBr.iY < m_focusPosition.iY) { |
dd21522fd290
Revision: 200911
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parents:
diff
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|
306 |
y = newNodeRect.iBr.iY - 1; |
dd21522fd290
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|
307 |
} |
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parents:
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|
308 |
else if (newNodeRect.iTl.iY > m_focusPosition.iY) { |
dd21522fd290
Revision: 200911
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parents:
diff
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|
309 |
y = newNodeRect.iTl.iY + 1; |
dd21522fd290
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|
310 |
} |
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diff
changeset
|
311 |
else { |
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parents:
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|
312 |
y = m_focusPosition.iY; |
dd21522fd290
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|
313 |
} |
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diff
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|
314 |
} |
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|
315 |
else { // vertical |
dd21522fd290
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|
316 |
if (verticalDir == -1) { // up |
dd21522fd290
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|
317 |
y = newNodeRect.iBr.iY - 1; |
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|
318 |
} |
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changeset
|
319 |
else if (verticalDir == 1) { // down |
dd21522fd290
Revision: 200911
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parents:
diff
changeset
|
320 |
y = newNodeRect.iTl.iY + 1; |
dd21522fd290
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parents:
diff
changeset
|
321 |
} |
dd21522fd290
Revision: 200911
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parents:
diff
changeset
|
322 |
if (newNodeRect.iBr.iX < m_focusPosition.iX) { |
dd21522fd290
Revision: 200911
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diff
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|
323 |
x = newNodeRect.iBr.iX - 1; |
dd21522fd290
Revision: 200911
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diff
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|
324 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
325 |
else if (newNodeRect.iTl.iX > m_focusPosition.iX) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
326 |
x = newNodeRect.iTl.iX + 1; |
dd21522fd290
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|
327 |
} |
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changeset
|
328 |
else { |
dd21522fd290
Revision: 200911
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|
329 |
x = m_focusPosition.iX; |
dd21522fd290
Revision: 200911
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diff
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|
330 |
} |
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Revision: 200911
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parents:
diff
changeset
|
331 |
} |
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Revision: 200911
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parents:
diff
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|
332 |
return TPoint(x, y); |
dd21522fd290
Revision: 200911
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diff
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|
333 |
} |
dd21522fd290
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diff
changeset
|
334 |
|
dd21522fd290
Revision: 200911
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diff
changeset
|
335 |
int WebTabbedNavigation::distanceFunction(int horizontalDir, int verticalDir, TRect& rect, TPoint& point) |
dd21522fd290
Revision: 200911
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diff
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|
336 |
{ |
5 | 337 |
// Based on http://www.w3.org/TR/WICD/#focus-navigation |
0
dd21522fd290
Revision: 200911
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diff
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|
338 |
TReal x, y, euclidianDistance; |
dd21522fd290
Revision: 200911
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diff
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|
339 |
int sameAxisDist, otherAxisDist, overlap; |
dd21522fd290
Revision: 200911
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diff
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|
340 |
|
dd21522fd290
Revision: 200911
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diff
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|
341 |
Math::Pow(x, (m_focusPosition.iX - point.iX), 2.0); |
dd21522fd290
Revision: 200911
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parents:
diff
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|
342 |
Math::Pow(y, (m_focusPosition.iY - point.iY), 2.0); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
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|
343 |
Math::Sqrt(euclidianDistance, x + y); |
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sameAxisDist = horizontalDir * (point.iX - m_focusPosition.iX) + verticalDir * (point.iY - m_focusPosition.iY); |
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otherAxisDist = (horizontalDir) ? (point.iY - m_focusPosition.iY) : (point.iX - m_focusPosition.iX) ; |
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otherAxisDist = (otherAxisDist < 0 ) ? (otherAxisDist * -1) : otherAxisDist; |
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if (horizontalDir) { // horizontal |
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if (rect.iBr.iY < m_selectedElementRect.iTl.iY || rect.iTl.iY > m_selectedElementRect.iBr.iY) { |
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overlap = 0; |
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350 |
} |
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351 |
else { |
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int top = max(m_selectedElementRect.iTl.iY, rect.iTl.iY); |
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int bottom = std::min(m_selectedElementRect.iBr.iY, rect.iBr.iY); |
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354 |
overlap = bottom - top; |
5 | 355 |
if (overlap == rect.Height()) { |
356 |
euclidianDistance = (euclidianDistance * rect.Height()) / m_selectedElementRect.Height(); |
|
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otherAxisDist = 0; |
|
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} |
|
0
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359 |
} |
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360 |
} |
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361 |
else { // vertical |
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if (rect.iBr.iX < m_selectedElementRect.iTl.iX || rect.iTl.iX > m_selectedElementRect.iBr.iX) { |
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overlap = 0; |
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364 |
} |
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else { |
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366 |
int top = max(m_selectedElementRect.iTl.iX, rect.iTl.iX); |
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int bottom = std::min(m_selectedElementRect.iBr.iX, rect.iBr.iX); |
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overlap = bottom - top; |
5 | 369 |
if (overlap == rect.Width()) { |
370 |
euclidianDistance = (euclidianDistance * rect.Width()) / m_selectedElementRect.Width(); |
|
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otherAxisDist = 0; |
|
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} |
|
0
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373 |
} |
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374 |
} |
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375 |
long ed, o; |
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Math::Int(ed, euclidianDistance); |
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Math::Int(o, sqrt(overlap)); |
5 | 378 |
return ed + sameAxisDist + 2 * otherAxisDist - o; |
0
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379 |
} |