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Komputer for Alle 1999 Ekstra 101 Spil
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1999-01-22
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//----------------------------------------------------------------------------
// Project NotePad2
//
// Copyright ⌐ 1996. All Rights Reserved.
//
// SUBSYSTEM: NotePad2 Application
// FILE: apxprev.cpp
// AUTHOR:
//
// OVERVIEW
// ~~~~~~~~
// Source file for implementation of Print Preview.
//
//----------------------------------------------------------------------------
#include <owl/pch.h>
#include <owl/buttonga.h>
#include <owl/textgadg.h>
#include <stdio.h>
#include "apxprev.h"
#include "ntpd2app.rh"
//{{TApxPreviewWin Implementation}}
DEFINE_RESPONSE_TABLE1(TApxPreviewWin, TDecoratedFrame)
//EV_COMMAND_ENABLE(APX_PPR_PREVIOUS, PPR_PreviousEnable),
//EV_COMMAND_ENABLE(APX_PPR_NEXT, PPR_NextEnable),
//EV_COMMAND(APX_PPR_PREVIOUS, PPR_Previous),
//EV_COMMAND(APX_PPR_NEXT, PPR_Next),
//EV_COMMAND(APX_PPR_ONEUP, PPR_OneUp),
//EV_COMMAND_ENABLE(APX_PPR_TWOUP, PPR_TwoUpEnable),
//EV_COMMAND(APX_PPR_TWOUP, PPR_TwoUp),
//EV_COMMAND(APX_PPR_DONE, PPR_Done),
//{{TApxPreviewWinRSP_TBL_BEGIN}}
//EV_WM_CLOSE,
//{{TApxPreviewWinRSP_TBL_END}}
END_RESPONSE_TABLE;
/*
TApxPreviewWin::TApxPreviewWin(TWindow* parentWindow, TPrinter* printer,
TWindow* currWindow, const char far* title,
TLayoutWindow* client)
:
TDecoratedFrame(parentWindow, title, client)
{
CurrWindow = currWindow;
Printer = printer;
Client = client;
Page1 = 0;
Page2 = 0;
FromPage = 1;
ToPage = 1;
TPrintDialog::TData& data = Printer->GetSetup();
PrnDC = new TPrintDC(data.GetDriverName(),
data.GetDeviceName(),
data.GetOutputName(),
data.GetDevMode());
PrintExtent = new TSize(PrnDC->GetDeviceCaps(HORZRES), PrnDC->GetDeviceCaps(VERTRES));
Printout = new TApxPrintout(Printer, "Print Preview", currWindow, true);
SetBkgndColor(::GetSysColor(COLOR_APPWORKSPACE));
// Create default toolbar New and associate toolbar buttons with commands.
//
PreviewSpeedBar = new TControlBar(this);
PreviewSpeedBar->Insert(*new TButtonGadget(APX_PPR_PREVIOUS, APX_PPR_PREVIOUS, TButtonGadget::Command, true));
PreviewSpeedBar->Insert(*new TButtonGadget(APX_PPR_NEXT, APX_PPR_NEXT, TButtonGadget::Command, true));
PreviewSpeedBar->Insert(*new TSeparatorGadget(6));
PreviewSpeedBar->Insert(*new TButtonGadget(APX_PPR_ONEUP, APX_PPR_ONEUP, TButtonGadget::Exclusive, true, TButtonGadget::Down));
PreviewSpeedBar->Insert(*new TButtonGadget(APX_PPR_TWOUP, APX_PPR_TWOUP, TButtonGadget::Exclusive, true));
PreviewSpeedBar->Insert(*new TSeparatorGadget(12));
PreviewSpeedBar->Insert(*new TTextGadget(APX_PPR_CURRPAGE, TGadget::Recessed, TTextGadget::Left, 10, "Page 1"));
PreviewSpeedBar->Insert(*new TSeparatorGadget(20));
PreviewSpeedBar->Insert(*new TButtonGadget(CM_FILEPRINT, CM_FILEPRINT, TButtonGadget::Command, true));
PreviewSpeedBar->Insert(*new TSeparatorGadget(20));
PreviewSpeedBar->Insert(*new TButtonGadget(APX_PPR_DONE, APX_PPR_DONE, TButtonGadget::Command, true));
Insert(*PreviewSpeedBar, TDecoratedFrame::Top);
Attr.Style &= ~WS_VISIBLE;
SetAcceleratorTable(IDM_PRINTPREVIEW);
}
TApxPreviewWin::~TApxPreviewWin()
{
delete Page1;
delete Page2;
delete PrnDC;
delete PrintExtent;
delete Printout;
}
void TApxPreviewWin::SetupWindow()
{
TDecoratedFrame::SetupWindow();
TAPointer<char> captionText = new char[256];
// Set the caption of the preview window based on that of the Main Window.
//
GetApplication()->GetMainWindow()->GetWindowText(captionText, 256);
strcat(captionText, " (Preview)");
SetCaption(captionText);
// Set the icons of the preview window.
//
SetIcon(GetApplication(), IDI_SDIAPPLICATION);
SetIconSm(GetApplication(), IDI_SDIAPPLICATION);
TPrintDialog::TData& data = Printer->GetSetup();
Page1 = new TPreviewPage(Client, *Printout, *PrnDC, *PrintExtent, 1);
Page1->SetPageNumber(1);
data.MaxPage = 1;
Page2 = 0;
TLayoutMetrics metrics1;
metrics1.X.Set(lmLeft, lmRightOf, lmParent, lmLeft, 15);
metrics1.Y.Set(lmTop, lmBelow, lmParent, lmTop, 15);
// Determine major axis of preview page, have that follow parent size.
// Make minor axis a percentage (aspect ratio) of the page's major axis
//
TRect r = Client->GetClientRect();
long ratio;
if (PrintExtent->cx > PrintExtent->cy)
ratio = ((long)PrintExtent->cy * 100) / PrintExtent->cx;
else
ratio = ((long)PrintExtent->cx * 100) / PrintExtent->cy;
bool xMajor = ((r.Width() * ratio) / 100) > r.Height();
if (xMajor){
metrics1.Height.Set(lmBottom, lmAbove, lmParent, lmBottom, 15);
metrics1.Width.PercentOf(Page1, (int)((long)PrintExtent->cx * 95 / PrintExtent->cy), lmHeight);
}
else {
metrics1.Height.PercentOf(Page1, (int)((long)PrintExtent->cy * 95 / PrintExtent->cx), lmWidth);
metrics1.Width.Set(lmRight, lmLeftOf, lmParent, lmRight, 15);
}
Page1->Create();
Client->SetChildLayoutMetrics(*Page1, metrics1);
Client->Layout();
}
void TApxPreviewWin::SpeedBarState()
{
// Update the page count.
//
TTextGadget* cpGadget = TYPESAFE_DOWNCAST(PreviewSpeedBar->GadgetWithId(APX_PPR_CURRPAGE), TTextGadget);
if (cpGadget) {
TAPointer<char> buffer = new char[32];
if (Page2 && FromPage != ToPage)
sprintf(buffer, "Page %d - %d", FromPage, ToPage);
else
sprintf(buffer, "Page %d", FromPage);
cpGadget->SetText(buffer);
}
}
void TApxPreviewWin::PPR_PreviousEnable(TCommandEnabler& tce)
{
// Only have previous on if we're not at the first page.
//
tce.Enable(FromPage != 1);
}
void TApxPreviewWin::PPR_NextEnable(TCommandEnabler& tce)
{
// Only have next on if we're not at the last page.
//
TPrintDialog::TData& printerData = Printer->GetSetup();
tce.Enable(ToPage != printerData.MaxPage);
}
void TApxPreviewWin::PPR_Previous()
{
TPrintDialog::TData& printerData = Printer->GetSetup();
if (FromPage > printerData.MinPage) {
FromPage--;
ToPage--;
Page1->SetPageNumber(FromPage);
if (Page2)
Page2->SetPageNumber(ToPage);
}
SpeedBarState();
}
void TApxPreviewWin::PPR_Next()
{
TPrintDialog::TData& printerData = Printer->GetSetup();
if (ToPage < printerData.MaxPage) {
FromPage++;
ToPage++;
Page1->SetPageNumber(FromPage);
if (Page2)
Page2->SetPageNumber(ToPage);
}
SpeedBarState();
}
void TApxPreviewWin::PPR_OneUp()
{
if (Page2) {
Client->RemoveChildLayoutMetrics(*Page2);
delete Page2;
Page2 = 0;
Client->Layout();
ToPage = FromPage;
SpeedBarState();
}
}
void TApxPreviewWin::PPR_TwoUpEnable(TCommandEnabler& tce)
{
// Two up is only available for portrait mode.
//
tce.Enable(PrintExtent->cx <= PrintExtent->cy);
}
void TApxPreviewWin::PPR_TwoUp()
{
if (!Page2) {
Page2 = new TPreviewPage(Client, *Printout, *PrnDC, *PrintExtent, PageNumber + 1);
Page2->Create();
TLayoutMetrics metrics2;
metrics2.X.Set(lmLeft, lmRightOf, Page1, lmRight, 30);
metrics2.Y.SameAs(Page1, lmTop);
// Assume portrait
//
metrics2.Width.SameAs(Page1, lmWidth);
metrics2.Height.SameAs(Page1, lmBottom);
Client->SetChildLayoutMetrics(*Page2, metrics2);
Client->Layout();
TPrintDialog::TData& printerData = Printer->GetSetup();
// Page 2 is the next page. If the next page is outside of our range then
// set the first page back one and the 2nd page is the current page. If the
// document is only 1 page long then the 2nd page is empty.
//
if (FromPage == printerData.MaxPage) {
if (FromPage > 1) {
FromPage--;
ToPage = FromPage + 1;
Page1->SetPageNumber(FromPage);
Page2->SetPageNumber(ToPage);
}
else
Page2->SetPageNumber(0);
}
else {
ToPage = FromPage + 1;
Page2->SetPageNumber(ToPage);
}
SpeedBarState();
}
}
void TApxPreviewWin::PPR_Done()
{
// Don't call the base class EvClose; we do not want TApxPreviewWin to be destructed.
//
GetApplication()->GetMainWindow()->SetRedraw(false);
GetApplication()->EndModal(IDCANCEL);
}
void TApxPreviewWin::EvClose()
{
// Don't call the base class EvClose; we do not want TApxPreviewWin to be destructed.
//
GetApplication()->GetMainWindow()->SetRedraw(false);
GetApplication()->EndModal(IDCANCEL);
}
*/