RetroZilla/webshell/tests/viewer/windows/nsCheckButton.cpp

300 lines
8.7 KiB
C++
Raw Normal View History

2015-10-21 05:03:22 +02:00
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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
* 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 of 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 "nsCheckButton.h"
#include "nsToolkit.h"
#include "nsColor.h"
#include "nsGUIEvent.h"
#include "nsString.h"
#include "nsStringUtil.h"
#include <windows.h>
#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)
{
}
//-------------------------------------------------------------------------
//
// 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
//
//-------------------------------------------------------------------------
LPCWSTR nsCheckButton::WindowClassW()
{
return L"BUTTON";
}
//-------------------------------------------------------------------------
//
// 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);
appUnits = context->DevUnitsToAppUnits();
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;
}