270 lines
8.3 KiB
C++
270 lines
8.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsTextAreaWidget.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 <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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static NS_DEFINE_IID(kILookAndFeelIID, NS_ILOOKANDFEEL_IID);
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/*NS_IMPL_ADDREF(nsTextAreaWidget)
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//NS_IMPL_RELEASE(nsTextAreaWidget)
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nsrefcnt nsTextAreaWidget::Release(void)
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{
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// NS_PRECONDITION(0 != cnt, "dup release");
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if (--mRefCnt == 0) {
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delete this;
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return 0;
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}
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return mRefCnt;
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}*/
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NS_IMPL_ADDREF(nsTextAreaWidget)
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NS_IMPL_RELEASE(nsTextAreaWidget)
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//-------------------------------------------------------------------------
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//
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// nsTextAreaWidget constructor
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//
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//-------------------------------------------------------------------------
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nsTextAreaWidget::nsTextAreaWidget()
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{
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NS_INIT_REFCNT();
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nsTextHelper::mBackground = NS_RGB(124, 124, 124);
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}
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//-------------------------------------------------------------------------
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//
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// nsTextAreaWidget destructor
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//
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//-------------------------------------------------------------------------
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nsTextAreaWidget::~nsTextAreaWidget()
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{
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}
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//-------------------------------------------------------------------------
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void nsTextAreaWidget::SetUpForPaint(HDC aHDC)
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{
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::SetBkColor (aHDC, NSRGB_2_COLOREF(mBackground));
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::SetTextColor(aHDC, NSRGB_2_COLOREF(mForeground));
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//::SetBkMode (aHDC, TRANSPARENT); // don't do this
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}
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//-------------------------------------------------------------------------
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//
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// Query interface implementation
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//
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//-------------------------------------------------------------------------
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nsresult nsTextAreaWidget::QueryInterface(const nsIID& aIID, void** aInstancePtr)
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{
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static NS_DEFINE_IID(kITextAreaWidgetIID, NS_ITEXTAREAWIDGET_IID);
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static NS_DEFINE_IID(kIWidgetIID, NS_IWIDGET_IID);
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if (aIID.Equals(kITextAreaWidgetIID)) {
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nsITextAreaWidget* textArea = this;
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*aInstancePtr = (void*) (textArea);
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NS_ADDREF_THIS();
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return NS_OK;
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}
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else if (aIID.Equals(kIWidgetIID))
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{
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nsIWidget* widget = this;
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*aInstancePtr = (void*) (widget);
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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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// move, paint, resizes message - ignore
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//
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//-------------------------------------------------------------------------
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PRBool nsTextAreaWidget::OnMove(PRInt32, PRInt32)
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{
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return PR_FALSE;
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}
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PRBool nsTextAreaWidget::OnPaint()
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{
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return PR_FALSE;
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}
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PRBool nsTextAreaWidget::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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LPCTSTR nsTextAreaWidget::WindowClass()
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{
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return(nsTextHelper::WindowClass());
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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 nsTextAreaWidget::WindowStyle()
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{
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DWORD style = nsTextHelper::WindowStyle();
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//style = style | ES_MULTILINE | ES_WANTRETURN | ES_AUTOVSCROLL;
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style = style | ES_MULTILINE | ES_WANTRETURN | WS_HSCROLL | WS_VSCROLL;
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return style;
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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 nsTextAreaWidget::WindowExStyle()
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{
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return WS_EX_CLIENTEDGE;
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}
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//-------------------------------------------------------------------------
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//
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// get position/dimensions
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//
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//-------------------------------------------------------------------------
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NS_METHOD nsTextAreaWidget::GetBounds(nsRect &aRect)
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{
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nsWindow::GetNonClientBounds(aRect);
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return NS_OK;
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}
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/**
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* Renders the TextWidget for Printing
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*
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**/
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NS_METHOD nsTextAreaWidget::Paint(nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect)
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{
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nsRect rect;
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float appUnits;
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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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context->GetDevUnitsToAppUnits(appUnits);
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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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nscolor txtBGColor = NS_RGB(255,255,255);
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nscolor txtFGColor = NS_RGB(0,0,0);
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nsILookAndFeel * lookAndFeel;
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if (NS_OK == nsComponentManager::CreateInstance(kLookAndFeelCID, nsnull, kILookAndFeelIID, (void**)&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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lookAndFeel->GetColor(nsILookAndFeel::eColor_TextBackground, txtBGColor);
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lookAndFeel->GetColor(nsILookAndFeel::eColor_TextForeground, txtFGColor);
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}
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aRenderingContext.SetColor(txtBGColor);
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aRenderingContext.FillRect(rect);
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// Paint Black border
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//nsBaseWidget::Paint(aRenderingContext, aDirtyRect);
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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+onePixel;
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rect.height -= twoPixels+onePixel;
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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(128,128,128));
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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(192,192,192));
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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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aRenderingContext.SetFont(*mFont);
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nscoord textWidth;
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nscoord textHeight;
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aRenderingContext.GetWidth(mText, textWidth);
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nsIFontMetrics* metrics;
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context->GetMetricsFor(*mFont, metrics);
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metrics->GetMaxAscent(textHeight);
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nscoord x = (twoPixels * 2) + rect.x;
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nscoord y = ((rect.height - textHeight) / 2) + rect.y;
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aRenderingContext.SetColor(txtFGColor);
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aRenderingContext.DrawString(mText, x, y);
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NS_RELEASE(context);
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return NS_OK;
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}
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