/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: NPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Netscape 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/NPL/ * * 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 * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * 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 NPL, 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 NPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "nsCheckButton.h" #include "nsToolkit.h" #include "nsColor.h" #include "nsGUIEvent.h" #include "nsString.h" #include "nsStringUtil.h" #include #include "nsILookAndFeel.h" #include "nsWidgetsCID.h" #include "nsIComponentManager.h" #include "nsIDeviceContext.h" //------------------------------------------------------------------------- nsresult NS_NewCheckButton(nsICheckButton** aControl) { NS_PRECONDITION(aControl, "null OUT ptr"); if (nsnull == aControl) { return NS_ERROR_NULL_POINTER; } nsCheckButton* it = new nsCheckButton; if (!it) { return NS_ERROR_OUT_OF_MEMORY; } NS_ADDREF(it); *aControl = (nsICheckButton*)it; return NS_OK; } NS_IMPL_ADDREF(nsCheckButton) NS_IMPL_RELEASE(nsCheckButton) //------------------------------------------------------------------------- // // nsCheckButton constructor // //------------------------------------------------------------------------- nsCheckButton::nsCheckButton() : nsWindow() , nsICheckButton(), mState(PR_FALSE) { NS_INIT_REFCNT(); } //------------------------------------------------------------------------- // // nsCheckButton destructor // //------------------------------------------------------------------------- nsCheckButton::~nsCheckButton() { } /** * Implement the standard QueryInterface for NS_IWIDGET_IID and NS_ISUPPORTS_IID * @modify gpk 8/4/98 * @param aIID The name of the class implementing the method * @param _classiiddef The name of the #define symbol that defines the IID * for the class (e.g. NS_ISUPPORTS_IID) * */ nsresult nsCheckButton::QueryInterface(const nsIID& aIID, void** aInstancePtr) { if (NULL == aInstancePtr) { return NS_ERROR_NULL_POINTER; } static NS_DEFINE_IID(kICheckButtonIID, NS_ICHECKBUTTON_IID); if (aIID.Equals(kICheckButtonIID)) { *aInstancePtr = (void*) ((nsICheckButton*)this); NS_ADDREF_THIS(); return NS_OK; } return nsWindow::QueryInterface(aIID,aInstancePtr); } //------------------------------------------------------------------------- // // Set this button label // //------------------------------------------------------------------------- NS_METHOD nsCheckButton::SetState(const PRBool aState) { mState = aState; if (mWnd) { BOOL state; if (aState) state = BST_CHECKED; else state = BST_UNCHECKED; ::SendMessage(mWnd, BM_SETCHECK, (WPARAM)state, (LPARAM)0); } return NS_OK; } //------------------------------------------------------------------------- // // Set this button label // //------------------------------------------------------------------------- NS_METHOD nsCheckButton::GetState(PRBool& aState) { if (::SendMessage(mWnd, BM_GETCHECK, (WPARAM)0, (LPARAM)0) == BST_CHECKED) aState = PR_TRUE; else aState = PR_FALSE; return NS_OK; } //------------------------------------------------------------------------- // // Set this button label // //------------------------------------------------------------------------- NS_METHOD nsCheckButton::SetLabel(const nsString& aText) { char label[256]; aText.ToCString(label, 256); label[255] = '\0'; VERIFY(::SetWindowText(mWnd, label)); return NS_OK; } //------------------------------------------------------------------------- // // Get this button label // //------------------------------------------------------------------------- NS_METHOD nsCheckButton::GetLabel(nsString& aBuffer) { int actualSize = ::GetWindowTextLength(mWnd)+1; NS_ALLOC_CHAR_BUF(label, 256, actualSize); ::GetWindowText(mWnd, label, actualSize); aBuffer.SetLength(0); aBuffer.AppendWithConversion(label); NS_FREE_CHAR_BUF(label); return NS_OK; } //------------------------------------------------------------------------- // // move, paint, resizes message - ignore // //------------------------------------------------------------------------- PRBool nsCheckButton::OnMove(PRInt32, PRInt32) { return PR_FALSE; } PRBool nsCheckButton::OnPaint() { return PR_FALSE; } PRBool nsCheckButton::OnResize(nsRect &aWindowRect) { return PR_FALSE; } //------------------------------------------------------------------------- // // return the window class name and initialize the class if needed // //------------------------------------------------------------------------- LPCTSTR nsCheckButton::WindowClass() { return "BUTTON"; } //------------------------------------------------------------------------- // // return window styles // //------------------------------------------------------------------------- DWORD nsCheckButton::WindowStyle() { return BS_CHECKBOX | WS_CHILD | WS_CLIPSIBLINGS; } //------------------------------------------------------------------------- // // return window extended styles // //------------------------------------------------------------------------- DWORD nsCheckButton::WindowExStyle() { return 0; } /** * Renders the CheckButton for Printing * **/ NS_METHOD nsCheckButton::Paint(nsIRenderingContext& aRenderingContext, const nsRect& aDirtyRect) { nsRect rect; float appUnits; float scale; nsIDeviceContext * context; aRenderingContext.GetDeviceContext(context); context->GetCanonicalPixelScale(scale); context->GetDevUnitsToAppUnits(appUnits); GetBoundsAppUnits(rect, appUnits); nscoord one = nscoord(PRFloat64(rect.height) * 1.0/20.0); nscoord three = nscoord(PRFloat64(rect.width) * 3.0/20.0); nscoord five = nscoord(PRFloat64(rect.width) * 5.0/20.0); nscoord six = nscoord(PRFloat64(rect.height) * 5.0/20.0); nscoord eight = nscoord(PRFloat64(rect.height) * 7.0/20.0); nscoord nine = nscoord(PRFloat64(rect.width) * 9.0/20.0); nscoord ten = nscoord(PRFloat64(rect.height) * 9.0/20.0); rect.x += three; rect.y += nscoord(PRFloat64(rect.height) * 3.5 /20.0); rect.width = nscoord(PRFloat64(rect.width) * 12.0/20.0); rect.height = nscoord(PRFloat64(rect.height) * 12.0/20.0); aRenderingContext.SetColor(NS_RGB(0,0,0)); nscoord onePixel = nscoord((appUnits+0.6F)); DrawScaledRect(aRenderingContext, rect, scale, appUnits); nscoord x = rect.x; nscoord y = rect.y; if (mState) { nscoord inc = nscoord(PRFloat64(rect.height) * 0.75/20.0); nscoord yy = 0; for (nscoord i=0;i<4;i++) { DrawScaledLine(aRenderingContext, x+three, y+eight+yy, x+five, y+ten+yy, scale, appUnits, PR_FALSE); // top DrawScaledLine(aRenderingContext, x+five, y+ten+yy, x+nine, y+six+yy, scale, appUnits, PR_FALSE); // top //aRenderingContext.DrawLine(x+three, y+eight+yy, x+five, y+ten+yy); //aRenderingContext.DrawLine(x+five, y+ten+yy, x+nine, y+six+yy); yy += nscoord(scale); } } NS_RELEASE(context); return NS_OK; }