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gecko-dev/cmd/winfe/fmtxarea.cpp

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Free the lizard
1998-03-28 02:44:41 +00:00
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "stdafx.h"
#include "fmtxarea.h"
#include "odctrl.h"
#include "intl_csi.h"
// This file is dedicated to form type select one elements
// otherwise known as list boxes on windows and
// their implementation as requried by the XP layout
// library.
// Construction simply clears all members.
CFormTextarea::CFormTextarea()
{
// No Widget yet.
m_pWidget = NULL;
#ifdef XP_WIN16
// No segment yet.
m_hSegment = NULL;
#endif
}
// Destruction cleans out all members.
CFormTextarea::~CFormTextarea()
{
}
// How to set the LO form element.
// This may change during the lifetime of an instance, so use this
// to update all referencing values.
void CFormTextarea::SetElement(LO_FormElementStruct *pFormElement)
{
// Call the base.
CFormElement::SetElement(pFormElement);
// Let the widget know the element.
if(m_pWidget) {
m_pWidget->SetContext(GetContext() ? GetContext()->GetContext() : NULL, GetElement());
}
}
// Set the owning context.
// Use this to determine what context we live in and how we should
// represent ourself (DC or window).
void CFormTextarea::SetContext(CAbstractCX *pCX)
{
// Call the base.
CFormElement::SetContext(pCX);
// Let the widget know the context.
if(m_pWidget) {
m_pWidget->SetContext(GetContext() ? GetContext()->GetContext() : NULL, GetElement());
}
}
// Display the form element given the particular context we are in.
// Possibly only use a DC for representation, or have the
// window move.
void CFormTextarea::DisplayFormElement(LTRB& Rect)
{
// Display only has meaning if our context is a device context.
if(GetContext() && GetContext()->IsDCContext()) {
// Further, need to detect how we're going to be drawing ourselves.
if(GetContext()->IsPureDCContext()) {
// Only works from a DC, needs a GDI drawing representation.
CDCCX *pDCCX = VOID2CX(GetContext(), CDCCX);
LTRB r(Rect.left, Rect.top, Rect.right, Rect.bottom);
// Adjust for stuff done in FillSizeInfo
r.Inflate(0, -1 * pDCCX->Pix2TwipsY(EDIT_SPACE) / 2);
// Do something simple.
pDCCX->Display3DBox(r, pDCCX->ResolveLightLineColor(), pDCCX->ResolveDarkLineColor(), pDCCX->Pix2TwipsY(2));
// Decide if we're doing scrollers.
BOOL bHorizontal = FALSE;
if(GetElementTextareaData() && GetElementTextareaData()->auto_wrap == TEXTAREA_WRAP_OFF) {
bHorizontal = TRUE;
}
// Figure rects of scrollers.
LTRB VScroller(r.right - pDCCX->Pix2TwipsX(sysInfo.m_iScrollWidth), r.top, r.right, r.bottom);
if(bHorizontal) {
VScroller.bottom -= pDCCX->Pix2TwipsY(sysInfo.m_iScrollHeight);
}
LTRB HScroller(r.left, r.bottom - pDCCX->Pix2TwipsY(sysInfo.m_iScrollHeight), r.right - pDCCX->Pix2TwipsX(sysInfo.m_iScrollWidth), r.bottom);
// Adjust the original rect inside of the scroll bars and border.
r.left += pDCCX->Pix2TwipsY(2);
r.top += pDCCX->Pix2TwipsY(2);
r.right -= pDCCX->Pix2TwipsX(sysInfo.m_iScrollWidth);
if(bHorizontal) {
r.bottom -= pDCCX->Pix2TwipsY(sysInfo.m_iScrollHeight);
}
else {
r.bottom -= pDCCX->Pix2TwipsY(2);
}
// Time for DC work.
HDC pDC = pDCCX->GetContextDC();
if(pDC) {
// Figure up the DrawText rectangle (so that we can get the proportionals right).
int32 lDrawnWidth = 0;
int32 lDrawnHeight = 0;
CyaFont *pMyFont = 0;
if(GetElementTextareaData() && GetElementTextareaData()->current_text) {
char *pText = (char *)GetElementTextareaData()->current_text;
int32 lLength = XP_STRLEN(pText);
pDCCX->SelectNetscapeFont( pDC, GetTextAttr(), pMyFont );
if (!pMyFont) {
m_pWidget->ReleaseDC(CDC::FromHandle(pDC));
DestroyWidget();
pDCCX->ReleaseContextDC(pDC);
return;
}
r.left += pMyFont->GetMeanWidth() - pDCCX->Pix2TwipsY(2);
// Decide the output area for all text.
RECT crClip;
::SetRect(&crClip, CASTINT(r.left), CASTINT(r.top),
CASTINT(r.right), CASTINT(r.bottom));
RECT crSize = crClip;
// Figure up the draw text style we're asking for.
UINT uStyle = DT_LEFT | DT_NOPREFIX;
if(GetElementTextareaData()->auto_wrap != TEXTAREA_WRAP_OFF) {
// Text should have already been wrapped, but do it anyhow.
uStyle |= DT_WORDBREAK;
}
// Figure out the size.
// This does not draw anything.
int16 wincsid = 0 ;
if(GetContext()->GetContext())
wincsid = INTL_GetCSIWinCSID(LO_GetDocumentCharacterSetInfo(GetContext()->GetContext()));
CIntlWin::DrawText(wincsid, pDC, pText, CASTINT(lLength), &crSize, uStyle | DT_CALCRECT);
lDrawnWidth = crSize.right - crSize.left;
lDrawnHeight = crSize.bottom - crSize.top;
// Set us to transparncy and do the deed.
int iOldBk = ::SetBkMode(pDC, TRANSPARENT);
CIntlWin::DrawText(wincsid, pDC, pText, CASTINT(lLength), &crClip, uStyle);
::SetBkMode(pDC, iOldBk);
pDCCX->ReleaseNetscapeFont( pDC, pMyFont );
// Restore the font.
}
// Draw the scrollers.
// Vertical is always present.
// Don't do if can't handle due to size limitations
pDCCX->Display3DBox(VScroller, pDCCX->ResolveLightLineColor(), pDCCX->ResolveLightLineColor(), pDCCX->Pix2TwipsY(2));
if(VScroller.Height() > pDCCX->Pix2TwipsY(sysInfo.m_iScrollHeight) * 2) {
POINT aPoints[3];
// Display top button.
LTRB TButton(VScroller.left, VScroller.top, VScroller.right, VScroller.top + pDCCX->Pix2TwipsY(sysInfo.m_iScrollHeight));
pDCCX->Display3DBox(TButton, RGB(0, 0, 0), pDCCX->ResolveDarkLineColor(), pDCCX->Pix2TwipsY(2));
TButton.Inflate(-1 * pDCCX->Twips2PixX(2), -1 * pDCCX->Pix2TwipsY(2));
VScroller.top += pDCCX->Pix2TwipsY(sysInfo.m_iScrollHeight);
// Arrow.
aPoints[0].x = CASTINT(TButton.left + TButton.Width() / 4);
aPoints[0].y = CASTINT(TButton.top + 2 * TButton.Height() / 3);
aPoints[1].x = CASTINT(TButton.left + TButton.Width() / 2);
aPoints[1].y = CASTINT(TButton.top + TButton.Height() / 3);
aPoints[2].x = CASTINT(TButton.left + 3 * TButton.Width() / 4);
aPoints[2].y = CASTINT(TButton.top + 2 * TButton.Height() / 3);
TRY {
HPEN cpBlack = ::CreatePen(PS_SOLID, 0, RGB(0, 0, 0));
HBRUSH cbBlack;
HBRUSH pOldBrush = NULL;
if(cbBlack = CreateSolidBrush(RGB(0, 0, 0))) {
pOldBrush = (HBRUSH)::SelectObject(pDC, cbBlack);
}
HPEN pOldPen = (HPEN)::SelectObject(pDC, cpBlack);
int iOldMode = ::SetPolyFillMode(pDC, ALTERNATE);
::Polygon(pDC, aPoints, 3);
::SetPolyFillMode(pDC, iOldMode);
if(pOldPen) {
::SelectObject(pDC, pOldPen);
}
if(pOldBrush) {
::SelectObject(pDC, pOldBrush);
}
VERIFY(::DeleteObject(cpBlack));
VERIFY(::DeleteObject(cbBlack));
}
CATCH(CException, e) {
// Can't create pen.
}
END_CATCH
// Display bottom button.
LTRB BButton(VScroller.left, VScroller.bottom - pDCCX->Pix2TwipsY(sysInfo.m_iScrollHeight), VScroller.right, VScroller.bottom);
pDCCX->Display3DBox(BButton, RGB(0, 0, 0), pDCCX->ResolveDarkLineColor(), pDCCX->Pix2TwipsY(2));
BButton.Inflate(-1 * pDCCX->Twips2PixX(2), -1 * pDCCX->Pix2TwipsY(2));
VScroller.bottom -= pDCCX->Pix2TwipsY(sysInfo.m_iScrollHeight);
// Arrow.
aPoints[0].x = CASTINT(BButton.left + BButton.Width() / 4);
aPoints[0].y = CASTINT(BButton.top + BButton.Height() / 3);
aPoints[1].x = CASTINT(BButton.left + BButton.Width() / 2);
aPoints[1].y = CASTINT(BButton.top + 2 * BButton.Height() / 3);
aPoints[2].x = CASTINT(BButton.left + 3 * BButton.Width() / 4);
aPoints[2].y = CASTINT(BButton.top + BButton.Height() / 3);
TRY {
HPEN cpBlack = ::CreatePen(PS_SOLID, 0, RGB(0, 0, 0));
HBRUSH cbBlack;
HBRUSH pOldBrush = NULL;
if(cbBlack = ::CreateSolidBrush(RGB(0, 0, 0))) {
pOldBrush = (HBRUSH)::SelectObject(pDC, cbBlack);
}
HPEN pOldPen = (HPEN)::SelectObject(pDC, cpBlack);
int iOldMode = ::SetPolyFillMode(pDC, ALTERNATE);
::Polygon(pDC, aPoints, 3);
::SetPolyFillMode(pDC, iOldMode);
if(pOldPen) {
::SelectObject(pDC, pOldPen);
}
if(pOldBrush) {
::SelectObject(pDC, pOldBrush);
}
VERIFY(::DeleteObject(cpBlack));
VERIFY(::DeleteObject(cbBlack));
}
CATCH(CException, e) {
// Can't create pen.
}
END_CATCH
// Decide if drawing inner tumbtrack.
if(r.Height() < lDrawnHeight) {
// Size of thumbtrack is a percentage.
int32 lPercent = r.Height() * 100 / lDrawnHeight;
int32 lThumb = lPercent * VScroller.Height() / 100;
LTRB Thumb(VScroller.left, VScroller.top, VScroller.right, VScroller.top + lThumb);
pDCCX->Display3DBox(Thumb, RGB(0, 0, 0), pDCCX->ResolveDarkLineColor(), pDCCX->Pix2TwipsY(2));
}
}
if(bHorizontal) {
// Don't do if can't handle due to size limitations
pDCCX->Display3DBox(HScroller, pDCCX->ResolveLightLineColor(), pDCCX->ResolveLightLineColor(), pDCCX->Pix2TwipsY(2));
if(HScroller.Width() > pDCCX->Pix2TwipsY(sysInfo.m_iScrollWidth) * 2) {
POINT aPoints[3];
// Display left button.
LTRB LButton(HScroller.left, HScroller.top, HScroller.left + pDCCX->Pix2TwipsY(sysInfo.m_iScrollWidth), HScroller.bottom);
pDCCX->Display3DBox(LButton, RGB(0, 0, 0), pDCCX->ResolveDarkLineColor(), pDCCX->Pix2TwipsY(2));
LButton.Inflate(-1 * pDCCX->Twips2PixX(2), -1 * pDCCX->Pix2TwipsY(2));
HScroller.left += pDCCX->Pix2TwipsY(sysInfo.m_iScrollWidth);
// Arrow.
aPoints[0].x = CASTINT(LButton.left + 2 * LButton.Width() / 3);
aPoints[0].y = CASTINT(LButton.top + LButton.Height() / 4);
aPoints[1].x = CASTINT(LButton.left + LButton.Width() / 3);
aPoints[1].y = CASTINT(LButton.top + LButton.Height() / 2);
aPoints[2].x = CASTINT(LButton.left + 2 * LButton.Width() / 3);
aPoints[2].y = CASTINT(LButton.top + 3 * LButton.Height() / 4);
TRY {
HPEN cpBlack = ::CreatePen(PS_SOLID, 0, RGB(0, 0, 0));
HBRUSH cbBlack;
HBRUSH pOldBrush = NULL;
if(cbBlack = ::CreateSolidBrush(RGB(0, 0, 0))) {
pOldBrush = (HBRUSH)::SelectObject(pDC, cbBlack);
}
HPEN pOldPen = (HPEN)::SelectObject(pDC, cpBlack);
int iOldMode = ::SetPolyFillMode(pDC, ALTERNATE);
::Polygon(pDC, aPoints, 3);
::SetPolyFillMode(pDC, iOldMode);
if(pOldPen) {
::SelectObject(pDC, pOldPen);
}
if(pOldBrush) {
::SelectObject(pDC, pOldBrush);
}
VERIFY(::DeleteObject(cpBlack));
VERIFY(::DeleteObject(cbBlack));
}
CATCH(CException, e) {
// Can't create pen.
}
END_CATCH
// Display right button.
LTRB RButton(HScroller.right - pDCCX->Pix2TwipsX(sysInfo.m_iScrollWidth), HScroller.top, HScroller.right, HScroller.bottom);
pDCCX->Display3DBox(RButton, RGB(0, 0, 0), pDCCX->ResolveDarkLineColor(), pDCCX->Pix2TwipsY(2));
RButton.Inflate(-1 * pDCCX->Twips2PixX(2), -1 * pDCCX->Pix2TwipsY(2));
HScroller.right -= pDCCX->Pix2TwipsY(sysInfo.m_iScrollWidth);
// Arrow.
aPoints[0].x = CASTINT(RButton.left + RButton.Width() / 3);
aPoints[0].y = CASTINT(RButton.top + RButton.Height() / 4);
aPoints[1].x = CASTINT(RButton.left + 2 * RButton.Width() / 3);
aPoints[1].y = CASTINT(RButton.top + RButton.Height() / 2);
aPoints[2].x = CASTINT(RButton.left + RButton.Width() / 3);
aPoints[2].y = CASTINT(RButton.top + 3 * RButton.Height() / 4);
TRY {
HPEN cpBlack = ::CreatePen(PS_SOLID, 0, RGB(0, 0, 0));
HBRUSH cbBlack;
HBRUSH pOldBrush = NULL;
if(cbBlack = ::CreateSolidBrush(RGB(0, 0, 0))) {
pOldBrush = (HBRUSH)::SelectObject(pDC, cbBlack);
}
HPEN pOldPen = (HPEN)::SelectObject(pDC, cpBlack);
int iOldMode = ::SetPolyFillMode(pDC, ALTERNATE);
::Polygon(pDC, aPoints, 3);
::SetPolyFillMode(pDC, iOldMode);
if(pOldPen) {
::SelectObject(pDC, pOldPen);
}
if(pOldBrush) {
::SelectObject(pDC, pOldBrush);
}
VERIFY(::DeleteObject(cpBlack));
VERIFY(::DeleteObject(cbBlack));
}
CATCH(CException, e) {
// Can't create pen.
}
END_CATCH
// Decide if drawing inner tumbtrack.
if(r.Width() < lDrawnWidth) {
// Size of thumbtrack is a percentage.
int32 lPercent = r.Width() * 100 / lDrawnWidth;
int32 lThumb = lPercent * HScroller.Width() / 100;
LTRB Thumb(HScroller.left, HScroller.top, HScroller.left + lThumb, HScroller.bottom);
pDCCX->Display3DBox(Thumb, RGB(0, 0, 0), pDCCX->ResolveDarkLineColor(), pDCCX->Pix2TwipsY(2));
}
}
}
// Release the DC.
pDCCX->ReleaseContextDC(pDC);
}
}
else if(GetContext()->IsWindowContext()) {
MoveWindow(m_pWidget->m_hWnd, Rect.left, Rect.top + EDIT_SPACE / 2);
}
else {
// Is undefined....
ASSERT(0);
}
}
// Call the base.
CFormElement::DisplayFormElement(Rect);
}
// Destroy the widget (window) implemenation of the form.
void CFormTextarea::DestroyWidget()
{
// Get rid of the widget if around.
if(m_pWidget) {
m_pWidget->DestroyWindow();
delete m_pWidget;
m_pWidget = NULL;
}
#ifdef XP_WIN16
// Get rid of the extra segment if around.
if(m_hSegment) {
GlobalFree(m_hSegment);
m_hSegment = NULL;
}
#endif
}
// Create the widget (window) implementation of the form
// but DO NOT DISPLAY.
void CFormTextarea::CreateWidget()
{
if(GetContext() && GetElement()) {
if(GetContext()->IsWindowContext() && VOID2CX(GetContext(), CPaneCX)->GetPane()) {
// Need a widget representation.
ASSERT(m_pWidget == NULL);
m_pWidget = new CODNetscapeEdit;
if(m_pWidget == NULL) {
return;
}
// Inform widget of context and element.
m_pWidget->SetContext(GetContext()->GetContext(), GetElement());
#ifdef XP_WIN16
// On 16 bits, we need to set the segment of the widget before creation.
m_hSegment = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, 4 * 1024);
if(m_hSegment) {
LPVOID lpPtr = GlobalLock(m_hSegment);
LocalInit(HIWORD((LONG)lpPtr), 0, (WORD)(GlobalSize(m_hSegment) - 16));
UnlockSegment(HIWORD((LONG)lpPtr));
m_pWidget->SetInstance((HINSTANCE)HIWORD((LONG)lpPtr));
}
else {
delete m_pWidget;
m_pWidget = NULL;
return;
}
#endif
// The style of the widget to be created.
DWORD dwStyle = WS_CHILD | WS_VSCROLL | WS_BORDER | ES_LEFT | WS_TABSTOP | ES_MULTILINE;
if(GetElementTextareaData()) {
// If no word wrapping, add a horizontal scrollbar.
if(GetElementTextareaData()->auto_wrap == TEXTAREA_WRAP_OFF) {
dwStyle |= WS_HSCROLL;
}
}
// Create the widget, hidden, and with a bad size.
BOOL bCreate =
#ifdef XP_WIN32
m_pWidget->CreateEx(WS_EX_CLIENTEDGE,
_T("EDIT"),
NULL,
dwStyle,
1, 1, 0, 0,
VOID2CX(GetContext(), CPaneCX)->GetPane(),
(HMENU)GetDynamicControlID(),
NULL);
#else
m_pWidget->Create(dwStyle, CRect(1, 1, 0, 0),
CWnd::FromHandle(VOID2CX(GetContext(), CPaneCX)->GetPane()),
GetDynamicControlID());
#endif
if(!bCreate) {
delete m_pWidget;
m_pWidget = NULL;
#ifdef XP_WIN16
GlobalFree(m_hSegment);
m_hSegment = NULL;
#endif
return;
}
CyaFont *pMyFont;
// Measure some text.
CDC *pDC = m_pWidget->GetDC();
if(pDC) {
CDCCX *pDCCX = VOID2CX(GetContext(), CDCCX);
pDCCX->SelectNetscapeFont( pDC->GetSafeHdc(), GetTextAttr(), pMyFont );
if (pMyFont) {
SetWidgetFont(pDC->GetSafeHdc(), m_pWidget->m_hWnd);
GetElement()->text_attr->FE_Data = pMyFont;
// Default length is 20
// Default lines is 1
int32 lLength = 20;
int32 lLines = 1;
// See if we can measure the default text, and/or
// set up the size and size limits.
if(GetElementTextareaData()) {
if(GetElementTextareaData()->cols > 0) {
// Use provided size.
lLength = GetElementTextareaData()->cols;
}
if(GetElementTextareaData()->rows > 0) {
// Use provided size.
lLines = GetElementTextareaData()->rows;
}
}
// Now figure up the width and height we would like.
// int32 lWidgetWidth = (lLength + 1) * tm.tmAveCharWidth + sysInfo.m_iScrollWidth;
// int32 lWidgetHeight = (lLines + 1) * tm.tmHeight;
int32 lWidgetWidth = (lLength + 1) * pMyFont->GetMeanWidth() + sysInfo.m_iScrollWidth;
int32 lWidgetHeight = (lLines + 1) * pMyFont->GetHeight();
// If no word wrapping, account a horizontal scrollbar.
if(GetElementTextareaData()->auto_wrap == TEXTAREA_WRAP_OFF) {
lWidgetHeight += sysInfo.m_iScrollHeight;
}
// Move the window.
m_pWidget->MoveWindow(1, 1, CASTINT(lWidgetWidth), CASTINT(lWidgetHeight), FALSE);
pDCCX->ReleaseNetscapeFont( pDC->GetSafeHdc(), pMyFont );
pDCCX->ReleaseContextDC(pDC->GetSafeHdc());
m_pWidget->ReleaseDC(pDC);
}
else {
m_pWidget->ReleaseDC(pDC);
DestroyWidget();
}
}
else {
// No DC, no widget.
DestroyWidget();
return;
}
}
else if(GetContext()->IsPureDCContext()) {
// Need a drawn representation.
}
}
}
// Copy the current data out of the layout struct into the form
// widget, or mark that you should represent using the current data.
void CFormTextarea::UseCurrentData()
{
// Detect context type and do the right thing.
if(GetContext()) {
if(GetContext()->IsWindowContext()) {
// Need a widget.
if(m_pWidget) {
// Determine the current text to set.
char *pCurrent = "";
if(GetElementTextareaData() && GetElementTextareaData()->current_text) {
pCurrent = (char *)GetElementTextareaData()->current_text;
}
// We have to SetContext to the widget before we SetWindowText
// Otherwise, the widget don't know what csid the text is.
m_pWidget->SetContext(GetContext()->GetContext(), GetElement());
m_pWidget->SetWindowText(pCurrent);
}
}
else if(GetContext()->IsPureDCContext()) {
// Printing/metafile
// Whatever is current is current.
}
}
}
// Copy the default data out of the layout struct into the form
// widget, or mark that you should represent using the default data.
void CFormTextarea::UseDefaultData()
{
// Detect context type and do the right thing.
if(GetContext()) {
if(GetContext()->IsWindowContext()) {
// Need a widget.
if(m_pWidget) {
// Determine the default text to set.
char *pDefault = "";
if(GetElementTextareaData() && GetElementTextareaData()->default_text) {
pDefault = (char *)GetElementTextareaData()->default_text;
}
// We have to SetContext to the widget before we SetWindowText
// Otherwise, the widget don't know what csid the text is.
m_pWidget->SetContext(GetContext()->GetContext(), GetElement());
m_pWidget->SetWindowText(pDefault);
}
}
else if(GetContext()->IsPureDCContext()) {
// Printing/metafile
if(GetElementTextareaData()) {
// Clear the current text if present.
if(GetElementTextareaData()->current_text) {
XP_FREE(GetElementTextareaData()->current_text);
GetElementTextareaData()->current_text = NULL;
}
// Copy over the default_text.
if(GetElementTextareaData()->default_text) {
int32 lSize = XP_STRLEN((char *)GetElementTextareaData()->default_text) + 1;
GetElementTextareaData()->current_text = (XP_Block)XP_ALLOC(lSize);
if(GetElementTextareaData()->current_text) {
memcpy(GetElementTextareaData()->current_text,
GetElementTextareaData()->default_text,
CASTSIZE_T(lSize));
}
}
}
}
}
}
// Fill in the layout size information in the layout struct regarding
// the dimensions of the widget.
void CFormTextarea::FillSizeInfo()
{
// Detect context type and do the right thing.
if(GetContext() && GetElement()) {
if(GetContext()->IsWindowContext()) {
// Need a widget.
if(m_pWidget) {
// Determine our window position.
CRect crRect;
m_pWidget->GetWindowRect(crRect);
// Munge the coordinate a little for layout.
// We'll have to know how to decode this information
// in the display routine (by half).
GetElement()->width = crRect.Width();
GetElement()->height = crRect.Height() + EDIT_SPACE;
GetElement()->border_vert_space = EDIT_SPACE/2;
// Baseline needs text metric information.
GetElement()->baseline = GetElement()->height; // ugly default in case of failure below.
CDC *pDC = m_pWidget->GetDC();
if(pDC) {
// Need to specifically select the font before calling GetTextMetrics.
CyaFont *pMyFont;
CDCCX *pDCCX = VOID2CX(GetContext(), CDCCX);
pDCCX->SelectNetscapeFont( pDC->GetSafeHdc(), GetTextAttr(), pMyFont );
if (pMyFont) {
SetWidgetFont(pDC->GetSafeHdc(), m_pWidget->m_hWnd);
GetElement()->baseline -= (pMyFont->GetHeight() / 2 + pMyFont->GetDescent()) / 2;
pDCCX->ReleaseNetscapeFont( pDC->GetSafeHdc(), pMyFont );
m_pWidget->ReleaseDC(pDC);
}
else {
m_pWidget->ReleaseDC(pDC);
DestroyWidget();
return;
}
}
}
else {
// No widget, tell layout nothing.
GetElement()->width = 0;
GetElement()->height = 0;
GetElement()->baseline = 0;
}
}
else if(GetContext()->IsPureDCContext()) {
// Do some printing specific stuff here...
int32 lWidth = 0;
int32 lHeight = 0;
int32 lBaseline = 0;
CDCCX *pDCCX = VOID2CX(GetContext(), CDCCX);
HDC pDC = pDCCX->GetAttribDC();
if(pDC) {
// Have the DC, attempt to select the widget font.
CyaFont *pMyFont;
pDCCX->SelectNetscapeFont( pDC, GetTextAttr(), pMyFont );
if (pMyFont) {
int32 lColumns = 20;
int32 lRows = 1;
// See if we can measure the default text and/or set up
// size limits.
if(GetElementTextareaData()) {
if(GetElementTextareaData()->cols > 0) {
lColumns = GetElementTextareaData()->cols;
}
if(GetElementTextareaData()->rows > 0) {
lRows = GetElementTextareaData()->rows;
}
}
// Figure up width and height we would like.
// lWidth = (lColumns + 1) * tm.tmAveCharWidth + pDCCX->Pix2TwipsX(sysInfo.m_iScrollWidth);
// lHeight = (lRows + 1) * tm.tmHeight;
lWidth = (lColumns + 1) * pMyFont->GetMeanWidth() + pDCCX->Pix2TwipsX(sysInfo.m_iScrollWidth);
lHeight = (lRows + 1) * pMyFont->GetHeight();
// If no word wrapping, add a horizontal scrollbar.
if(GetElementTextareaData() && GetElementTextareaData()->auto_wrap == TEXTAREA_WRAP_OFF) {
lHeight += pDCCX->Pix2TwipsY(sysInfo.m_iScrollHeight);
}
// Adjust a little bit more, will need to know how to decode this
// in display.
lHeight += pDCCX->Pix2TwipsY(EDIT_SPACE);
// Figure the baseline.
// lBaseline = lHeight - ((tm.tmHeight / 2 + tm.tmDescent) / 2);
lBaseline = lHeight - ((pMyFont->GetHeight() / 2 + pMyFont->GetDescent()) / 2);
// }
pDCCX->ReleaseNetscapeFont( pDC, pMyFont );
}
else {
m_pWidget->ReleaseDC(CDC::FromHandle(pDC));
DestroyWidget();
}
pDCCX->ReleaseContextDC(pDC);
}
// Tell layout 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.
ender carpool
1998-10-14 20:24:50 +00:00
void CFormTextarea::UpdateCurrentData(BOOL bSubmit)
Free the lizard
1998-03-28 02:44:41 +00:00
{
if(GetContext()) {
if(GetContext()->IsWindowContext()) {
if(m_pWidget && ::IsWindow(m_pWidget->GetSafeHwnd()) && GetElementTextareaData()) {
// Free off any current text.
if(GetElementTextareaData()->current_text) {
XP_FREE(GetElementTextareaData()->current_text);
GetElementTextareaData()->current_text = NULL;
}
// If we have hard wrapping, set the flag in the edit field now
// bofore we get the length.
if(GetElementTextareaData()->auto_wrap == TEXTAREA_WRAP_HARD) {
m_pWidget->FmtLines(TRUE);
}
// See if we've got anything.
int32 lLength = m_pWidget->GetWindowTextLength();
if(lLength > 0) {
GetElementTextareaData()->current_text = (XP_Block)XP_ALLOC(lLength + 1);
if(GetElementTextareaData()->current_text) {
m_pWidget->GetWindowText((char *)GetElementTextareaData()->current_text, CASTINT(lLength + 1));
// strip out the \r\r\n if we are a hard-break text area
if(GetElementTextareaData()->auto_wrap == TEXTAREA_WRAP_HARD) {
char *pSrc;
char *pDest;
// start both off at the beginning
pSrc = (char *)GetElementTextareaData()->current_text;
pDest = (char *)GetElementTextareaData()->current_text;
while(pSrc && *pSrc) {
if(pSrc[0] == '\r' && pSrc[1] == '\r' && pSrc[2] == '\n') {
// convert the soft line break into a hard line break
pSrc += 3;
*pDest++ = '\r';
*pDest++ = '\n';
}
else {
// just copy this one over
*pDest++ = *pSrc++;
}
}
// NULL termination is your friend
*pDest = '\0';
}
}
}
}
}
else if(GetContext()->IsPureDCContext()) {
// Printing/metafile
// Whatever is current is current.
}
}
}
HWND CFormTextarea::GetRaw()
{
return(m_pWidget ? m_pWidget->m_hWnd : NULL);
}
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