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595 lines
20 KiB
C++
Executable File
595 lines
20 KiB
C++
Executable File
/* -*- Mode: C++; tab-width: 4; 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 "stdafx.h"
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#include "odctrl.h"
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#include "fmselone.h"
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#include "intl_csi.h"
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// This file is dedicated to form type select one elements
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// otherwise known as combo boxes on windows and
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// their implementation as requried by the XP layout
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// library.
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// Construction simply clears all members.
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CFormSelectOne::CFormSelectOne()
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{
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// No widget representation yet.
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m_pWidget = NULL;
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}
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// Destruction cleans out all members.
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CFormSelectOne::~CFormSelectOne()
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{
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}
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// How to set the LO form element.
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// This may change during the lifetime of an instance, so use this
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// to update all referencing values.
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void CFormSelectOne::SetElement(LO_FormElementStruct *pFormElement)
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{
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// Call the base.
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CFormElement::SetElement(pFormElement);
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// Have our widget update if present.
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if(m_pWidget != NULL) {
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m_pWidget->SetContext(GetContext() ? GetContext()->GetContext() : NULL, GetElement());
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}
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}
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// Set the owning context.
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// Use this to determine what context we live in and how we should
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// represent ourself (DC or window).
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void CFormSelectOne::SetContext(CAbstractCX *pCX)
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{
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// Call the base.
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CFormElement::SetContext(pCX);
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// Have our widget update if present.
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if(m_pWidget != NULL) {
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m_pWidget->SetContext(GetContext() ? GetContext()->GetContext() : NULL, GetElement());
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}
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}
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// Display the form element given the particular context we are in.
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// Possibly only use a DC for representation, or have the
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// window move.
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void CFormSelectOne::DisplayFormElement(LTRB& Rect)
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{
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// Display only has meaning if our context is a device context.
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if(GetContext() && GetContext()->IsDCContext()) {
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// Further, need to detect how we're going to be drawing ourselves.
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if(GetContext()->IsPureDCContext()) {
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// Only works from a DC, needs a GDI drawing representation.
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CDCCX *pDCCX = VOID2CX(GetContext(), CDCCX);
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LTRB r(Rect.left, Rect.top, Rect.right, Rect.bottom);
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// Compensate for munging in FillSizeInfo.
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r.Inflate(0, -1 * pDCCX->Pix2TwipsY(EDIT_SPACE));
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// Do something simple.
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pDCCX->Display3DBox(r, pDCCX->ResolveLightLineColor(), pDCCX->ResolveDarkLineColor(), pDCCX->Pix2TwipsY(2));
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r.Inflate(0, -1 * pDCCX->Pix2TwipsY(2));
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HDC pDC = pDCCX->GetContextDC();
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if(pDC) {
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// Draw the down arrow on the right.
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r.right -= pDCCX->Pix2TwipsX(sysInfo.m_iScrollWidth);
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LTRB BButton(r.right, r.top - pDCCX->Pix2TwipsY(2), r.right + pDCCX->Pix2TwipsX(sysInfo.m_iScrollWidth), r.bottom + pDCCX->Pix2TwipsY(2));
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pDCCX->Display3DBox(BButton, RGB(0, 0, 0), pDCCX->ResolveDarkLineColor(), pDCCX->Pix2TwipsY(2));
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BButton.Inflate(-1 * pDCCX->Pix2TwipsX(2), -1 * pDCCX->Pix2TwipsY(2));
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// Arrow.
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POINT aPoints[3];
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aPoints[0].x = CASTINT(BButton.left + BButton.Width() / 4);
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aPoints[0].y = CASTINT(BButton.top + BButton.Height() / 3);
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aPoints[1].x = CASTINT(BButton.left + BButton.Width() / 2);
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aPoints[1].y = CASTINT(BButton.top + 2 * BButton.Height() / 3);
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aPoints[2].x = CASTINT(BButton.left + 3 * BButton.Width() / 4);
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aPoints[2].y = CASTINT(BButton.top + BButton.Height() / 3);
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TRY {
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HPEN cpBlack = ::CreatePen(PS_SOLID, 0, RGB(0, 0, 0));
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HBRUSH cbBlack;
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HBRUSH pOldBrush = NULL;
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if(cbBlack = CreateSolidBrush(RGB(0, 0, 0))) {
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pOldBrush = (HBRUSH)::SelectObject(pDC, cbBlack);
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}
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HPEN pOldPen = (HPEN)::SelectObject(pDC, cpBlack);
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int iOldMode = ::SetPolyFillMode(pDC, ALTERNATE);
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::Polygon(pDC, aPoints, 3);
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::SetPolyFillMode(pDC, iOldMode);
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if(pOldPen) {
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::SelectObject(pDC, pOldPen);
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}
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if(pOldBrush) {
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::SelectObject(pDC, pOldBrush);
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}
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VERIFY(::DeleteObject(cpBlack));
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VERIFY(::DeleteObject(cbBlack));
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}
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CATCH(CException, e) {
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// Can't create pen.
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}
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END_CATCH
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// Output visible text.
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if(GetElementSelectData()) {
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CyaFont *pMyFont;
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VOID2CX(GetContext(), CDCCX)->SelectNetscapeFont( pDC, GetTextAttr(), pMyFont );
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if (pMyFont) {
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lo_FormElementOptionData *pOptionData = (lo_FormElementOptionData *)GetElementSelectData()->options;
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if(pOptionData) {
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char *pText = NULL;
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int32 lCounter = 0;
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// As a default for the text, use the first entry.
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// Sometimes nothing is selected, and then we don't output anything....
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// This will get retset by the loop below if something actually
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// does exist.
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if(GetElementSelectData()->option_cnt > 0) {
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pText = (char *)pOptionData[0].text_value;
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}
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while(lCounter < GetElementSelectData()->option_cnt) {
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if(pOptionData[lCounter].selected) {
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// Show this one.
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pText = (char *)pOptionData[lCounter].text_value;
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break;
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}
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lCounter++;
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}
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// Do we have anything to show?
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if(pText) {
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// Need to modify the coordinates a little bit.
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r.left += pMyFont->GetMeanWidth();
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int32 lCenterY = (r.Height() - pMyFont->GetHeight()) / 2;
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// Transparent please.
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int iOldBk = ::SetBkMode(pDC, TRANSPARENT);
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CIntlWin::ExtTextOut(
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((GetContext()->GetContext()) ?
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INTL_GetCSIWinCSID(LO_GetDocumentCharacterSetInfo(GetContext()->GetContext()))
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: 0) ,
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pDC,
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CASTINT(r.left),
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CASTINT(r.top + lCenterY),
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ETO_CLIPPED,
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CRect(CASTINT(r.left), CASTINT(r.top), CASTINT(r.right), CASTINT(r.bottom)),
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pText,
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XP_STRLEN(pText),
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NULL);
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// Restore mode.
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::SetBkMode(pDC, iOldBk);
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}
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}
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VOID2CX(GetContext(), CDCCX)->ReleaseNetscapeFont( pDC, pMyFont );
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}
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else {
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m_pWidget->ReleaseDC(CDC::FromHandle(pDC));
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DestroyWidget();
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}
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}
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// Done with DC.
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pDCCX->ReleaseContextDC(pDC);
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}
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}
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else if(GetContext()->IsWindowContext()) {
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MoveWindow(m_pWidget->m_hWnd, Rect.left, Rect.top + EDIT_SPACE);
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}
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else {
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// Is undefined....
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ASSERT(0);
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}
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}
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// Call the base.
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CFormElement::DisplayFormElement(Rect);
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}
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// Destroy the widget (window) implemenation of the form.
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void CFormSelectOne::DestroyWidget()
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{
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// Get rid of the widget.
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if(m_pWidget != NULL) {
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m_pWidget->DestroyWindow();
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delete m_pWidget;
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m_pWidget = NULL;
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}
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}
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// Create the widget (window) implementation of the form
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// but DO NOT DISPLAY.
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void CFormSelectOne::CreateWidget()
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{
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if(GetContext() && GetElement()) {
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if(GetContext()->IsWindowContext() && VOID2CX(GetContext(), CPaneCX)->GetPane()) {
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// For a window context, we use a widget representation.
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// Allocate.
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ASSERT(m_pWidget == NULL);
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m_pWidget = new CODMochaComboBox();
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if(m_pWidget == NULL) {
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return;
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}
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// Inform the widget of the context and form element (for mocha).
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m_pWidget->SetContext(GetContext()->GetContext(), GetElement());
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// Create the widget, initially hidden with a bad size
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if(!m_pWidget->Create(WS_CHILD | WS_BORDER | WS_VSCROLL | CBS_AUTOHSCROLL | CBS_DROPDOWNLIST | CBS_OWNERDRAWFIXED,
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CRect(0, 0, 1, 1),
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CWnd::FromHandle(VOID2CX(GetContext(), CPaneCX)->GetPane()),
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GetDynamicControlID())) {
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delete m_pWidget;
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m_pWidget = NULL;
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return;
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}
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// Prepare to measure text.
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CDC *pDC = m_pWidget->GetDC();
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HDC hdc = pDC->GetSafeHdc();
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if(pDC) {
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CyaFont *pMyFont;
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VOID2CX(GetContext(), CDCCX)->SelectNetscapeFont( hdc, GetTextAttr(), pMyFont );
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int32 lWidgetWidth;
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int32 lWidgetHeight = 0;
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if (pMyFont) {
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SetWidgetFont(pDC->GetSafeHdc(), m_pWidget->m_hWnd);
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GetElement()->text_attr->FE_Data = pMyFont;
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SIZE csz;
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CIntlWin::GetTextExtentPointWithCyaFont(pMyFont,
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INTL_GetCSIWinCSID(LO_GetDocumentCharacterSetInfo(GetContext()->GetContext())),
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hdc, "hi", 2, &csz);
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lWidgetWidth = csz.cx;
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lWidgetHeight = 0;
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// Count the maximum width by looping through all entries.
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if(GetElementSelectData()) {
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lo_FormElementOptionData *pOptionData = (lo_FormElementOptionData *)GetElementSelectData()->options;
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if(pOptionData) {
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char *pCurrent = NULL;
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int32 lCounter = 0;
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while(lCounter < GetElementSelectData()->option_cnt) {
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pCurrent = (char *)pOptionData[lCounter].text_value;
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if(pCurrent && *pCurrent) {
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CIntlWin::GetTextExtentPointWithCyaFont(pMyFont,
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INTL_GetCSIWinCSID(LO_GetDocumentCharacterSetInfo(GetContext()->GetContext())),
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hdc, pCurrent, XP_STRLEN(pCurrent), &csz);
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if(csz.cx > lWidgetWidth) {
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lWidgetWidth = csz.cx;
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}
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}
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// Servicing next in line now.
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lCounter++;
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}
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}
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lWidgetHeight = GetElementSelectData()->option_cnt;
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}
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lWidgetWidth += 2 * sysInfo.m_iScrollWidth;
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// Figure the maximum height we'll allow.
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// NOTE: This algorithm could use some work (legacy code).
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if(lWidgetHeight > 20) {
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lWidgetHeight = 20;
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}
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lWidgetHeight += 2;
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lWidgetHeight *= csz.cy;
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// Done measuring text width.
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VOID2CX(GetContext(), CDCCX)->ReleaseNetscapeFont( hdc, pMyFont );
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m_pWidget->ReleaseDC(pDC);
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}
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else {
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m_pWidget->ReleaseDC(pDC);
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DestroyWidget();
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return;
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}
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if (GetElement()->width > lWidgetWidth) {
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lWidgetWidth = GetElement()->width;
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}
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if (GetElement()->height > lWidgetHeight) {
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lWidgetHeight = GetElement()->height;
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}
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// Finally, size the widget to the width and height
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// we have figured here.
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m_pWidget->MoveWindow(1, 1, CASTINT(lWidgetWidth), CASTINT(lWidgetHeight), FALSE);
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}
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else {
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// No DC, no widget.
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DestroyWidget();
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return;
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}
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}
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else if(GetContext()->IsPureDCContext()) {
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// For a print/metafile context we use a drawn representation.
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// Figure out what size it will be and save the data.
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}
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}
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}
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// Copy the current data out of the layout struct into the form
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// widget, or mark that you should represent using the current data.
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void CFormSelectOne::UseCurrentData()
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{
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// Detect context type and copy appropriate data
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// according to representation.
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if(GetContext()) {
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if(GetContext()->IsWindowContext()) {
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// Only continue if we've got a widget to fill at all.
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if(m_pWidget) {
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// Remove all entries.
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m_pWidget->ResetContent();
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// Loop through and copy the data into the widget.
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LO_LockLayout();
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lo_FormElementSelectData * selectData = GetElementSelectData();
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if(selectData) {
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lo_FormElementOptionData *pOptionData = (lo_FormElementOptionData *)selectData->options;
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if(pOptionData) {
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char *pCurrent = NULL;
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int32 lCounter = 0;
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while(lCounter < selectData->option_cnt) {
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pCurrent = (char *)pOptionData[lCounter].text_value;
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// Add it to the list.
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m_pWidget->AddString(pCurrent ? pCurrent : "");
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// Is it selected?
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if(pOptionData[lCounter].selected) {
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m_pWidget->SetCurSel(CASTINT(lCounter));
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}
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// Servicing next in line now.
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lCounter++;
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}
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}
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}
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LO_UnlockLayout();
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}
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}
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else if(GetContext()->IsPureDCContext()) {
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// For a print/metafile context we use a drawn representation.
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// So obviously we need to do something other than fill in a widget's data.
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}
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}
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}
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// Copy the default data out of the layout struct into the form
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// widget, or mark that you should represent using the default data.
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void CFormSelectOne::UseDefaultData()
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{
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// Detect context type and copy appropriate data
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// according to representation.
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if(GetContext()) {
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if(GetContext()->IsWindowContext()) {
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// Only continue if we've got a widget to fill at all.
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if(m_pWidget) {
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// Remove all entries.
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m_pWidget->ResetContent();
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// Loop through and copy the data into the widget.
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LO_LockLayout();
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lo_FormElementSelectData * selectData = GetElementSelectData();
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if(selectData) {
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lo_FormElementOptionData *pOptionData = (lo_FormElementOptionData *)selectData->options;
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if(pOptionData) {
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char *pCurrent = NULL;
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int32 lCounter = 0;
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while(lCounter < selectData->option_cnt) {
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pCurrent = (char *)pOptionData[lCounter].text_value;
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// Add it to the list.
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m_pWidget->AddString(pCurrent ? pCurrent : "");
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// Restore default selection.
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pOptionData[lCounter].selected = pOptionData[lCounter].def_selected;
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// Is it selected?
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if(pOptionData[lCounter].selected) {
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m_pWidget->SetCurSel(CASTINT(lCounter));
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}
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// Servicing next in line now.
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lCounter++;
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}
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}
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}
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LO_UnlockLayout();
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}
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}
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else if(GetContext()->IsPureDCContext()) {
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// Loop through and set the current data to reflect the default data.
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if(GetElementSelectData()) {
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lo_FormElementOptionData *pOptionData = (lo_FormElementOptionData *)GetElementSelectData()->options;
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if(pOptionData) {
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int32 lCounter = 0;
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while(lCounter < GetElementSelectData()->option_cnt) {
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// Restore default selection.
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pOptionData[lCounter].selected = pOptionData[lCounter].def_selected;
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// Servicing next in line now.
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lCounter++;
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}
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}
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}
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}
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}
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}
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// Fill in the layout size information in the layout struct regarding
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// the dimensions of the widget.
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void CFormSelectOne::FillSizeInfo()
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{
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// Detect context type and copy appropriate data
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// according to representation.
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if(GetContext() && GetElement()) {
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if(GetContext()->IsWindowContext()) {
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// Only continue if we've got a widget to fill at all.
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if(m_pWidget) {
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// Determine our window position.
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CRect crRect;
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m_pWidget->GetWindowRect(crRect);
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// Munge it a little for layout.
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// We'll have to know how to decode
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// this information in the display
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// routine.
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GetElement()->width = crRect.Width();
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GetElement()->height = crRect.Height() + 2 * EDIT_SPACE;
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GetElement()->border_vert_space = EDIT_SPACE;
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GetElement()->baseline = 3 * GetElement()->height / 4;
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}
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else {
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// Widget not present, give LAYOUT nothing.
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GetElement()->width = 0;
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GetElement()->height = 0;
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GetElement()->baseline = 0;
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}
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}
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else if(GetContext()->IsPureDCContext()) {
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// Need to figure size of combo box.
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int32 lWidth = 0;
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int32 lHeight = 0;
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int32 lBaseline = 0;
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CDCCX *pDCCX = VOID2CX(GetContext(), CDCCX);
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HDC pDC = pDCCX->GetAttribDC();
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if(pDC) {
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CyaFont *pMyFont;
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pDCCX->SelectNetscapeFont( pDC, GetTextAttr(), pMyFont );
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if (pMyFont) {
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SIZE csz;
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csz.cx = csz.cy = 0;
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// Default if no other text.
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CIntlWin::GetTextExtentPointWithCyaFont(pMyFont,
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INTL_GetCSIWinCSID(LO_GetDocumentCharacterSetInfo(GetContext()->GetContext())),
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pDC, "hi", 2, &csz);
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lWidth = csz.cx;
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// Get max width by looping through and measuring all entries.
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if(GetElementSelectData()) {
|
|
lo_FormElementOptionData *pOptionData = (lo_FormElementOptionData *)GetElementSelectData()->options;
|
|
if(pOptionData) {
|
|
char *pCurrent = NULL;
|
|
int32 lCounter = 0;
|
|
while(lCounter < GetElementSelectData()->option_cnt) {
|
|
pCurrent = (char *)pOptionData[lCounter].text_value;
|
|
if(pCurrent && *pCurrent) {
|
|
CIntlWin::GetTextExtentPointWithCyaFont(pMyFont,
|
|
INTL_GetCSIWinCSID(LO_GetDocumentCharacterSetInfo(GetContext()->GetContext())),
|
|
pDC, pCurrent, XP_STRLEN(pCurrent), &csz);
|
|
|
|
if(csz.cx > lWidth) {
|
|
lWidth = csz.cx;
|
|
}
|
|
}
|
|
|
|
lCounter++;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Add some size information.
|
|
lWidth += 2 * pDCCX->Pix2TwipsX(sysInfo.m_iScrollWidth);
|
|
lWidth += pMyFont->GetMeanWidth();
|
|
|
|
lHeight = csz.cy;
|
|
lHeight += csz.cy / 2;
|
|
lHeight += 2 * pDCCX->Pix2TwipsY(EDIT_SPACE);
|
|
|
|
// Check and see if we should use preset sizes
|
|
if (GetElement()->width > lWidth) {
|
|
lWidth = GetElement()->width;
|
|
}
|
|
if (GetElement()->height > lHeight) {
|
|
lHeight = GetElement()->height;
|
|
}
|
|
|
|
lBaseline = 3 * lHeight / 4;
|
|
|
|
// Restore the font.
|
|
pDCCX->ReleaseNetscapeFont( pDC, pMyFont );
|
|
}
|
|
else {
|
|
m_pWidget->ReleaseDC(CDC::FromHandle(pDC));
|
|
DestroyWidget();
|
|
}
|
|
// Done with DC.
|
|
pDCCX->ReleaseContextDC(pDC);
|
|
}
|
|
|
|
// Let layout know what we know.
|
|
GetElement()->width = lWidth;
|
|
GetElement()->height = lHeight;
|
|
GetElement()->baseline = lBaseline;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Copy the current data out of the form element back into the
|
|
// layout struct.
|
|
void CFormSelectOne::UpdateCurrentData()
|
|
{
|
|
// Detect context type and copy appropriate data
|
|
// according to representation.
|
|
if(GetContext()) {
|
|
if(GetContext()->IsWindowContext()) {
|
|
// Only continue if we've got a widget and data space to fill at all.
|
|
if(m_pWidget && ::IsWindow(m_pWidget->GetSafeHwnd()) && GetElementSelectData()) {
|
|
int32 lSelected = m_pWidget->GetCurSel();
|
|
lo_FormElementOptionData *pOptionData = (lo_FormElementOptionData *)GetElementSelectData()->options;
|
|
|
|
if(pOptionData) {
|
|
// Clear out all old selections.
|
|
int32 lCounter = 0;
|
|
while(lCounter < GetElementSelectData()->option_cnt) {
|
|
pOptionData[lCounter].selected = FALSE;
|
|
lCounter++;
|
|
}
|
|
|
|
// Save this into the layout struct.
|
|
if(lSelected != CB_ERR) {
|
|
pOptionData[lSelected].selected = TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if(GetContext()->IsPureDCContext()) {
|
|
// For a print/metafile context we use a drawn representation.
|
|
// So obviously we need to do something other than fill in a widget's data.
|
|
}
|
|
}
|
|
}
|
|
|
|
HWND CFormSelectOne::GetRaw()
|
|
{
|
|
return(m_pWidget ? m_pWidget->m_hWnd : NULL);
|
|
}
|