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402 lines
12 KiB
C++
Executable File
402 lines
12 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 "fmbutton.h"
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#include "intl_csi.h"
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#include "odctrl.h"
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// This file is dedicated to form type button elements
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// otherwise known as a button 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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CFormButton::CFormButton()
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{
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// No widget 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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CFormButton::~CFormButton()
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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 CFormButton::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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// Update the widget if present for correct callbacks.
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if(m_pWidget) {
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m_pWidget->RegisterForm(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 CFormButton::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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// Update the widget if present for correct callbacks.
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if(m_pWidget) {
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m_pWidget->RegisterContext(pCX->GetContext());
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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 CFormButton::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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HDC pDC = pDCCX->GetContextDC();
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if(pDC && Rect.Width() && Rect.Height()) {
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pDCCX->Display3DBox(Rect, pDCCX->ResolveDarkLineColor(), pDCCX->ResolveLightLineColor(), pDCCX->Pix2TwipsY(2));
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// Draw the text inside the button.
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// This is refiguring the width and height of the text.
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char *pData = NULL;
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if(GetElementMinimalData()) {
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pData = (char *)GetElementMinimalData()->value;
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}
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if(pData) {
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// Decide text color.
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COLORREF rgbUseMe;
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CyaFont *pMyFont;
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rgbUseMe = pDCCX->ResolveTextColor(NULL);
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// Output text.
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int iBkMode = ::SetBkMode(pDC, TRANSPARENT);
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COLORREF rgbTxtClr = ::SetTextColor(pDC, rgbUseMe);
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pDCCX->SelectNetscapeFont( pDC, GetTextAttr(), pMyFont );
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if(pMyFont != NULL) {
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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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pDC, pData, XP_STRLEN(pData), &csz);
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// Center text.
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int32 lWidth = Rect.Width() - csz.cx;
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int32 lHeight = Rect.Height() -csz.cy;
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int32 lX = Rect.left + lWidth / 2;
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int32 lY = Rect.top + (lHeight / 2);
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CIntlWin::TextOutWithCyaFont(
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pMyFont,
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INTL_GetCSIWinCSID(LO_GetDocumentCharacterSetInfo(GetContext()->GetContext())),
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pDC,
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CASTINT(lX),
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CASTINT(lY),
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pData,
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XP_STRLEN(pData));
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::SetTextColor(pDC, rgbTxtClr);
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::SetBkMode(pDC, iBkMode);
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pDCCX->ReleaseNetscapeFont( pDC, pMyFont );
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}
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}
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pDCCX->ReleaseContextDC(pDC);
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}
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}
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else if(GetContext()->IsWindowContext() && GetRaw()) {
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MoveWindow(GetRaw(), Rect.left, Rect.top);
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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 CFormButton::DestroyWidget()
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{
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// Free off the widget if present.
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if(m_pWidget) {
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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 CFormButton::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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// Widget representation, create one.
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ASSERT(m_pWidget == NULL);
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m_pWidget = new CODNetscapeButton(GetContext()->GetContext(), GetElement());
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if(m_pWidget == NULL) {
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return;
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}
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// Create the widget, initially with a bad size and hidden.
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BOOL bCreate = m_pWidget->Create("",
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WS_CHILD | BS_OWNERDRAW,
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CRect(1, 1, 0, 0),
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CWnd::FromHandle(VOID2CX(GetContext(), CPaneCX)->GetPane()),
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GetDynamicControlID());
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if(!bCreate) {
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DestroyWidget();
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return;
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}
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// Set the font of the widget.
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CyaFont *pMyFont;
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LO_TextAttr *text_attr = GetElement()->text_attr;
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CDCCX *pDCCX = VOID2CX(GetContext(), CDCCX);
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// Measure what the size of the button should be.
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HDC hDC = NULL;
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if(GetRaw()) {
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hDC = ::GetDC(GetRaw());
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}
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if(hDC) {
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SIZE csz;
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int32 lWidgetWidth = 0;
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int32 lWidgetHeight = 0;
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pDCCX->SelectNetscapeFont( hDC, GetTextAttr(), pMyFont );
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if(pMyFont == NULL) {
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::ReleaseDC(GetRaw(), hDC);
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DestroyWidget();
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return;
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}
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else {
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// Must select the font while measuring.
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SetWidgetFont(hDC, GetRaw());
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text_attr->FE_Data = pMyFont;
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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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// Determine what data will be shown.
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char *pCaption = NULL;
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if(GetElementMinimalData()) {
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pCaption = (char *)GetElementMinimalData()->value;
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}
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// Measure it if present.
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if(pCaption && *pCaption) {
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CIntlWin::GetTextExtentPointWithCyaFont(pMyFont,
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INTL_GetCSIWinCSID(LO_GetDocumentCharacterSetInfo(GetContext()->GetContext())),
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hDC, pCaption, XP_STRLEN(pCaption), &csz);
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}
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lWidgetWidth = 3 * csz.cx / 2;
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lWidgetHeight = 3 * csz.cy / 2;
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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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// Done measuring text.
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pDCCX->ReleaseNetscapeFont( hDC, pMyFont );
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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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::MoveWindow(GetRaw(), 1, 1, CASTINT(lWidgetWidth), CASTINT(lWidgetHeight), FALSE);
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}
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::ReleaseDC(GetRaw(), hDC);
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hDC = NULL;
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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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// Printing representation.
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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 CFormButton::UseCurrentData()
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{
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// Detect the context type for further action.
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if(GetContext()) {
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if(GetContext()->IsWindowContext()) {
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if(m_pWidget) {
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// Just set it to the value if present.
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// No real concept of current or default data in a button yet.
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char *pData = NULL;
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if(GetElementMinimalData()) {
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pData = (char *)GetElementMinimalData()->value;
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}
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if(pData && GetRaw()) {
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::SetWindowText(GetRaw(), pData);
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}
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}
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}
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else if(GetContext()->IsPureDCContext()) {
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// Do some printing specific stuff here...
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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 CFormButton::UseDefaultData()
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{
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// Detect the context type for further action.
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if(GetContext()) {
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if(GetContext()->IsWindowContext()) {
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if(m_pWidget) {
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// Just set it to the value if present.
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// No real concept of current or default data in a button yet.
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char *pData = NULL;
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if(GetElementMinimalData()) {
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pData = (char *)GetElementMinimalData()->value;
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}
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if(pData && GetRaw()) {
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::SetWindowText(GetRaw(), pData);
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}
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}
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}
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else if(GetContext()->IsPureDCContext()) {
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// Do some printing specific stuff here...
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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 CFormButton::FillSizeInfo()
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{
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// Detect the context type for further action.
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if(GetContext() && GetElement()) {
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if(GetContext()->IsWindowContext()) {
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if(GetRaw()) {
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// Determine our window position.
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CRect crWidget;
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::GetWindowRect(GetRaw(), crWidget);
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// This is a recreation of csz.cy in CreateWidget.
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int32 csz_cy = 2 * crWidget.Height() / 3;
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// Munge return coordinates a little for
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// layout.
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GetElement()->width = crWidget.Width();
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GetElement()->height = crWidget.Height();
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GetElement()->baseline = crWidget.Height() - csz_cy / 4 - 1;
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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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CDCCX *pCX = VOID2CX(GetContext(), CDCCX);
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HDC pDC = pCX->GetAttribDC();
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// Size the Button text.
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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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if(pDC) {
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char *pData = NULL;
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if(GetElementMinimalData()) {
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pData = (char *)GetElementMinimalData()->value;
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}
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if(pData && *pData) {
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// Size the text.
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CyaFont *pMyFont;
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pCX->SelectNetscapeFont( pDC, GetTextAttr(), pMyFont );
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if (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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pDC, pData, XP_STRLEN(pData), &csz);
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// Give some extra room.
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// We'll need to know how to undo this in the display routine.
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lWidth = 3 * csz.cx / 2;
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lHeight = 3 * csz.cy / 2;
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// Check and see if we should use preset sizes
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if (GetElement()->width > lWidth) {
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lWidth = GetElement()->width;
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}
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if (GetElement()->height > lHeight) {
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lHeight = GetElement()->height;
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}
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lBaseline = lHeight - csz.cy / 4 - pCX->Pix2TwipsY(1);
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pCX->ReleaseNetscapeFont( pDC, pMyFont );
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}
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}
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// Done with the DC.
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pCX->ReleaseContextDC(pDC);
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}
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// Fill in the layout information.
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GetElement()->width = lWidth;
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GetElement()->height = lHeight;
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GetElement()->baseline = lBaseline;
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}
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}
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}
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// Copy the current data out of the form element back into the
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// layout struct.
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void CFormButton::UpdateCurrentData()
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{
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// There is literally no data to update for this element type right now.
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// Perhaps one day....
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if(GetContext()) {
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if(GetContext()->IsWindowContext()) {
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if(m_pWidget) {
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}
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else {
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}
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}
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else if(GetContext()->IsPureDCContext()) {
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// Do some printing specific stuff here...
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}
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}
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}
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HWND CFormButton::GetRaw()
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{
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return(m_pWidget ? m_pWidget->m_hWnd : NULL);
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}
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