mirror of
https://github.com/rn10950/RetroZilla.git
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313 lines
9.2 KiB
C++
313 lines
9.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsButton.h"
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#include "nsToolkit.h"
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#include "nsColor.h"
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#include "nsGUIEvent.h"
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#include "nsString.h"
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#include "nsStringUtil.h"
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#include <windows.h>
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#include "nsILookAndFeel.h"
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#include "nsWidgetsCID.h"
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#include "nsIComponentManager.h"
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#include "nsIDeviceContext.h"
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#include "nsIFontMetrics.h"
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static NS_DEFINE_IID(kLookAndFeelCID, NS_LOOKANDFEEL_CID);
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//-------------------------------------------------------------------------
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nsresult
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NS_NewButton(nsIButton** aControl)
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{
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NS_PRECONDITION(aControl, "null OUT ptr");
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if (nsnull == aControl) {
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return NS_ERROR_NULL_POINTER;
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}
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nsButton* it = new nsButton;
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if (!it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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NS_ADDREF(it);
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// set the state flags (if any are provided)
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*aControl = (nsIButton*)it;
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return NS_OK;
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}
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NS_IMPL_ADDREF(nsButton)
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NS_IMPL_RELEASE(nsButton)
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//-------------------------------------------------------------------------
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//
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// nsButton constructor
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//
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//-------------------------------------------------------------------------
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nsButton::nsButton() : nsWindow() , nsIButton()
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{
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}
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//-------------------------------------------------------------------------
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//
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// nsButton destructor
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//
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//-------------------------------------------------------------------------
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nsButton::~nsButton()
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{
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}
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/**
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* Implement the standard QueryInterface for NS_IWIDGET_IID and NS_ISUPPORTS_IID
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* @modify gpk 8/4/98
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* @param aIID The name of the class implementing the method
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* @param _classiiddef The name of the #define symbol that defines the IID
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* for the class (e.g. NS_ISUPPORTS_IID)
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*
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*/
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nsresult nsButton::QueryInterface(const nsIID& aIID, void** aInstancePtr)
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{
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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static NS_DEFINE_IID(kIButton, NS_IBUTTON_IID);
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if (aIID.Equals(kIButton)) {
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*aInstancePtr = (void*) ((nsIButton*)this);
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NS_ADDREF_THIS();
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return NS_OK;
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}
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return nsWindow::QueryInterface(aIID,aInstancePtr);
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}
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//-------------------------------------------------------------------------
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//
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// Set this button label
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//
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//-------------------------------------------------------------------------
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NS_METHOD nsButton::SetLabel(const nsString& aText)
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{
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mLabel = aText;
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if (NULL == mWnd) {
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return NS_ERROR_FAILURE;
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}
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VERIFY(::SetWindowText(mWnd, NS_LossyConvertUCS2toASCII(aText).get()));
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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//
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// Get this button label
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//
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//-------------------------------------------------------------------------
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NS_METHOD nsButton::GetLabel(nsString& aBuffer)
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{
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aBuffer = mLabel;
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/*int actualSize = ::GetWindowTextLength(mWnd)+1;
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NS_ALLOC_CHAR_BUF(label, 256, actualSize);
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::GetWindowText(mWnd, label, actualSize);
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aBuffer.SetLength(0);
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aBuffer.Append(label);
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NS_FREE_CHAR_BUF(label);
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*/
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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//
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// move, paint, resizes message - ignore
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//
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//-------------------------------------------------------------------------
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PRBool nsButton::OnMove(PRInt32, PRInt32)
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{
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return PR_FALSE;
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}
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PRBool nsButton::OnPaint()
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{
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//printf("** nsButton::OnPaint **\n");
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return PR_FALSE;
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}
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PRBool nsButton::OnResize(nsRect &aWindowRect)
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{
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return PR_FALSE;
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}
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//-------------------------------------------------------------------------
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//
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// return the window class name and initialize the class if needed
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//
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//-------------------------------------------------------------------------
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LPCWSTR nsButton::WindowClassW()
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{
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return L"BUTTON";
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}
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//-------------------------------------------------------------------------
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//
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// return the window class name and initialize the class if needed
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//
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//-------------------------------------------------------------------------
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LPCTSTR nsButton::WindowClass()
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{
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return "BUTTON";
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}
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//-------------------------------------------------------------------------
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//
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// return window styles
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//
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//-------------------------------------------------------------------------
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DWORD nsButton::WindowStyle()
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{
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return WS_CHILD | WS_CLIPSIBLINGS;
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}
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//-------------------------------------------------------------------------
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//
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// return window extended styles
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//
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//-------------------------------------------------------------------------
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DWORD nsButton::WindowExStyle()
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{
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return 0;
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}
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/**
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* Renders the Button for Printing
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*
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**/
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NS_METHOD nsButton::Paint(nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect)
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{
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float appUnits;
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float devUnits;
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float scale;
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nsIDeviceContext * context;
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aRenderingContext.GetDeviceContext(context);
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context->GetCanonicalPixelScale(scale);
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devUnits = context->AppUnitsToDevUnits();
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appUnits = context->DevUnitsToAppUnits();
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nsRect rect;
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GetBoundsAppUnits(rect, appUnits);
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aRenderingContext.SetColor(NS_RGB(0,0,0));
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nscolor bgColor = NS_RGB(255,255,255);
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nscolor fgColor = NS_RGB(0,0,0);
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nscolor hltColor = NS_RGB(240,240,240);
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nscolor sdwColor = NS_RGB(128,128,128);
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{
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nsCOMPtr<nsILookAndFeel> lookAndFeel = do_GetService(kLookAndFeelCID);
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if (lookAndFeel) {
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lookAndFeel->GetColor(nsILookAndFeel::eColor_WidgetBackground, bgColor);
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lookAndFeel->GetColor(nsILookAndFeel::eColor_WidgetForeground, fgColor);
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lookAndFeel->GetColor(nsILookAndFeel::eColor_Widget3DShadow, sdwColor);
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lookAndFeel->GetColor(nsILookAndFeel::eColor_Widget3DHighlight, hltColor);
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}
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}
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aRenderingContext.SetColor(bgColor);
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aRenderingContext.FillRect(rect);
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/*aRenderingContext.SetColor(bgColor);
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for (int i=0;i<int(scale);i++) {
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aRenderingContext.DrawRect(rect);
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rect.x += 3;
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rect.y += 3;
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rect.width -= 6;
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rect.height -= 6;
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}*/
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nscoord onePixel = nscoord(scale);
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nscoord twoPixels = nscoord(scale*2);
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rect.x += onePixel;
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rect.y += onePixel;
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rect.width -= twoPixels;
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rect.height -= twoPixels;
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nscoord right = rect.x+rect.width;
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nscoord bottom = rect.y+rect.height;
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// Draw Left & Top
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aRenderingContext.SetColor(NS_RGB(225,225,225));
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DrawScaledLine(aRenderingContext, rect.x, rect.y, right, rect.y, scale, appUnits, PR_TRUE); // top
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DrawScaledLine(aRenderingContext, rect.x, rect.y, rect.x, bottom, scale, appUnits, PR_FALSE); // left
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//DrawScaledLine(aRenderingContext, rect.x+onePixel, rect.y+onePixel, right-onePixel, rect.y+onePixel, scale, appUnits, PR_TRUE); // top + 1
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//DrawScaledLine(aRenderingContext, rect.x+onePixel, rect.y+onePixel, rect.x+onePixel, bottom-onePixel, scale, appUnits, PR_FALSE); // left + 1
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// Draw Right & Bottom
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aRenderingContext.SetColor(NS_RGB(128,128,128));
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DrawScaledLine(aRenderingContext, right, rect.y+onePixel, right, bottom, scale, appUnits, PR_FALSE); // right
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DrawScaledLine(aRenderingContext, rect.x+onePixel, bottom, right, bottom, scale, appUnits, PR_TRUE); // bottom
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//DrawScaledLine(aRenderingContext, right-onePixel, rect.y+twoPixels, right-onePixel, bottom, scale, appUnits, PR_FALSE); // right + 1
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//DrawScaledLine(aRenderingContext, rect.x+twoPixels, bottom-onePixel, right, bottom-onePixel, scale, appUnits, PR_TRUE); // bottom + 1
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nsIFontMetrics* metrics;
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context->GetMetricsFor(*mFont, metrics);
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aRenderingContext.SetFont(metrics);
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nscoord textWidth;
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nscoord textHeight;
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aRenderingContext.GetWidth(mLabel, textWidth);
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metrics->GetMaxAscent(textHeight);
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nscoord x = ((rect.width - textWidth) / 2) + rect.x;
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nscoord y = ((rect.height - textHeight) / 2) + rect.y;
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aRenderingContext.DrawString(mLabel, x, y + textHeight);
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NS_RELEASE(context);
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return NS_OK;
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}
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