/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- * * ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Zack Rusin . * Portions created by the Initial Developer are Copyright (C) 2004 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Lars Knoll * Zack Rusin * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "nsScrollbar.h" #include "nsGUIEvent.h" #define mScroll ((QScrollBar*)mWidget) nsQScrollBar::nsQScrollBar(int aMinValue, int aMaxValue, int aLineStep, int aPageStep, int aValue, Orientation aOrientation, QWidget *aParent, const char *aName) : QScrollBar(aMinValue, aMaxValue, aLineStep, aPageStep, aValue, aOrientation, aParent, aName) { qDebug("XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"); connect(this,SIGNAL(valueChanged(int)), SLOT(slotValueChanged(int))); } void nsQScrollBar::slotValueChanged(int aValue) { ScrollBarMoved(NS_SCROLLBAR_POS,aValue); } void nsQScrollBar::ScrollBarMoved(int aMessage,int aValue) { nsScrollbarEvent nsEvent(PR_TRUE, aMessage, nsnull); nsEvent.eventStructType = NS_SCROLLBAR_EVENT; nsEvent.position = aValue; //mReceiver->scrollEvent(nsEvent,aValue); //FIXME: } //============================================================================= // nsScrollBar class //============================================================================= NS_IMPL_ADDREF_INHERITED(nsNativeScrollbar,nsCommonWidget) NS_IMPL_RELEASE_INHERITED(nsNativeScrollbar,nsCommonWidget) NS_IMPL_QUERY_INTERFACE2(nsNativeScrollbar,nsINativeScrollbar,nsIWidget) nsNativeScrollbar::nsNativeScrollbar() : nsCommonWidget(), nsINativeScrollbar() { qDebug("YESSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS"); mOrientation = true ? QScrollBar::Vertical : QScrollBar::Horizontal; mLineStep = 1; mPageStep = 10; mMaxValue = 100; mValue = 0; mListenForResizes = PR_TRUE; } nsNativeScrollbar::~nsNativeScrollbar() { } NS_METHOD nsNativeScrollbar::SetMaxRange(PRUint32 aEndRange) { mMaxValue = aEndRange; mScroll->setRange(0,mMaxValue - mPageStep); return NS_OK; } NS_METHOD nsNativeScrollbar::GetMaxRange(PRUint32 *aMaxRange) { *aMaxRange = mMaxValue; return NS_OK; } NS_METHOD nsNativeScrollbar::SetPosition(PRUint32 aPos) { mValue = aPos; mScroll->setValue(mValue); return NS_OK; } NS_METHOD nsNativeScrollbar::GetPosition(PRUint32 *aPos) { *aPos = mValue; return NS_OK; } //------------------------------------------------------------------------- // Set the line increment for this scrollbar //------------------------------------------------------------------------- NS_METHOD nsNativeScrollbar::SetLineIncrement(PRUint32 aLineIncrement) { if (aLineIncrement > 0) { mLineStep = aLineIncrement; mScroll->setSteps(mLineStep,mPageStep); } return NS_OK; } //------------------------------------------------------------------------- // Get the line increment for this scrollbar //------------------------------------------------------------------------- NS_METHOD nsNativeScrollbar::GetLineIncrement(PRUint32 *aLineInc) { *aLineInc = mLineStep; return NS_OK; } #if 0 NS_METHOD nsNativeScrollbar::SetParameters(PRUint32 aMaxRange,PRUint32 aThumbSize, PRUint32 aPosition,PRUint32 aLineIncrement) { mPageStep = (aThumbSize > 0) ? aThumbSize : 1; mValue = (aPosition > 0) ? aPosition : 0; mLineStep = (aLineIncrement > 0) ? aLineIncrement : 1; mMaxValue = (aMaxRange > 0) ? aMaxRange : 10; mScroll->setValue(mValue); mScroll->setSteps(mLineStep,mPageStep); mScroll->setRange(0,mMaxValue - mPageStep); return NS_OK; } #endif //------------------------------------------------------------------------- // Deal with scrollbar messages (actually implemented only in nsNativeScrollbar) //------------------------------------------------------------------------- PRBool nsNativeScrollbar::OnScroll(nsScrollbarEvent &aEvent,PRUint32 cPos) { nsEventStatus result = nsEventStatus_eIgnore; switch (aEvent.message) { // scroll one line right or down case NS_SCROLLBAR_LINE_NEXT: mScroll->addLine(); mValue = mScroll->value(); // if an event callback is registered, give it the chance // to change the increment if (mEventCallback) { aEvent.position = (PRUint32)mValue; result = (*mEventCallback)(&aEvent); mValue = aEvent.position; } break; // scroll one line left or up case NS_SCROLLBAR_LINE_PREV: mScroll->subtractLine(); mValue = mScroll->value(); // if an event callback is registered, give it the chance // to change the decrement if (mEventCallback) { aEvent.position = (PRUint32)mValue; result = (*mEventCallback)(&aEvent); mValue = aEvent.position; } break; // Scrolls one page right or down case NS_SCROLLBAR_PAGE_NEXT: mScroll->addPage(); mValue = mScroll->value(); // if an event callback is registered, give it the chance // to change the increment if (mEventCallback) { aEvent.position = (PRUint32)mValue; result = (*mEventCallback)(&aEvent); mValue = aEvent.position; } break; // Scrolls one page left or up. case NS_SCROLLBAR_PAGE_PREV: mScroll->subtractPage(); mValue = mScroll->value(); // if an event callback is registered, give it the chance // to change the increment if (mEventCallback) { aEvent.position = (PRUint32)mValue; result = (*mEventCallback)(&aEvent); mValue = aEvent.position; } break; // Scrolls to the absolute position. The current position is specified by // the cPos parameter. case NS_SCROLLBAR_POS: mValue = cPos; // if an event callback is registered, give it the chance // to change the increment if (mEventCallback) { aEvent.position = (PRUint32)mValue; result = (*mEventCallback)(&aEvent); mValue = aEvent.position; } break; } return ignoreEvent(result); } QWidget* nsNativeScrollbar::createQWidget(QWidget *parent, nsWidgetInitData */*aInitData*/) { mWidget = new nsQScrollBar(0, mMaxValue, mLineStep, mPageStep, mValue, mOrientation, parent); mWidget->setMouseTracking(PR_TRUE); return mWidget; } /* void setContent (in nsIContent content, in nsISupports scrollbar, in nsIScrollbarMediator mediator); */ NS_IMETHODIMP nsNativeScrollbar::SetContent(nsIContent *content, nsISupports *scrollbar, nsIScrollbarMediator *mediator) { qDebug("XXXXXXXX SetContent"); return NS_ERROR_NOT_IMPLEMENTED; } /* readonly attribute long narrowSize; */ NS_IMETHODIMP nsNativeScrollbar::GetNarrowSize(PRInt32 *aNarrowSize) { qDebug("XXXXXXXXXXXX GetNarrowSize"); return NS_ERROR_NOT_IMPLEMENTED; } /* attribute unsigned long viewSize; */ NS_IMETHODIMP nsNativeScrollbar::GetViewSize(PRUint32 *aViewSize) { qDebug("XXXXXXXXX GetViewSize"); return NS_ERROR_NOT_IMPLEMENTED; } NS_IMETHODIMP nsNativeScrollbar::SetViewSize(PRUint32 aViewSize) { qDebug("XXXXXXXXXXX SetViewSize"); return NS_ERROR_NOT_IMPLEMENTED; }