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Added my wxWindows based layout engine to the repository.

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It arranges text and graphics for display on a wxDC.
This code is licensed under the LGPL.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@157 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Karsten Ballüder
1998-06-29 12:44:36 +00:00
parent 8f79098a04
commit a5f81d8c07
13 changed files with 2800 additions and 0 deletions
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273
user/wxLayout/wxLayout.cpp Normal file
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/*
* Program: wxLayout
*
* Author: Karsten Ball<6C>der
*
* Copyright: (C) 1998, Karsten Ball<6C>der <Ballueder@usa.net>
*
*/
#ifdef __GNUG__
#pragma implementation "wxLayout.h"
#endif
#include "wxLayout.h"
#include "wx/textfile.h"
#include "Micon.xpm"
// for testing only:
#include <stdio.h>
//-----------------------------------------------------------------------------
// main program
//-----------------------------------------------------------------------------
IMPLEMENT_APP(MyApp)
//-----------------------------------------------------------------------------
// MyFrame
//-----------------------------------------------------------------------------
enum ids{ ID_EDIT = 1, ID_ADD_SAMPLE, ID_CLEAR, ID_PRINT, ID_DPRINT,
ID_DEBUG, ID_QUIT, ID_CLICK, ID_HTML, ID_TEXT };
IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
BEGIN_EVENT_TABLE(MyFrame,wxFrame)
EVT_MENU (-1, MyFrame::OnCommand)
EVT_COMMAND (-1,-1, MyFrame::OnCommand)
EVT_CHAR (wxLayoutWindow::OnChar)
END_EVENT_TABLE()
MyFrame::MyFrame(void) :
wxFrame( NULL, -1, "wxLayout", wxPoint(20,20), wxSize(600,360) )
{
CreateStatusBar( 1 );
SetStatusText( "wxLayout by Karsten Ball<6C>der." );
wxMenu *file_menu = new wxMenu( "Menu 1" );
file_menu->Append( ID_CLEAR, "Clear");
file_menu->Append( ID_ADD_SAMPLE, "Example");
file_menu->Append( ID_EDIT, "Edit");
file_menu->Append( ID_DEBUG, "Debug");
file_menu->Append( ID_PRINT, "Print");
file_menu->Append( ID_DPRINT, "Direct Print");
file_menu->Append( ID_TEXT, "Export Text");
file_menu->Append( ID_HTML, "Export HTML");
file_menu->Append( ID_QUIT, "Exit");
wxMenuBar *menu_bar = new wxMenuBar();
menu_bar->Append(file_menu, "File" );
menu_bar->Show( TRUE );
SetMenuBar( menu_bar );
m_lwin = new wxLayoutWindow(this);
m_lwin->SetEventId(ID_CLICK);
m_lwin->GetLayoutList().SetEditable(true);
m_lwin->SetFocus();
};
void
MyFrame::AddSampleText(wxLayoutList &llist)
{
llist.SetFont(wxROMAN,24,wxNORMAL,wxNORMAL, false);
llist.Insert("The quick brown fox jumps over the lazy dog.");
llist.LineBreak();
llist.Insert("Hello ");
llist.Insert(new wxLayoutObjectIcon(new wxIcon(Micon_xpm,-1,-1)));
llist.Insert("World!");
llist.Insert("The quick brown fox jumps...");
llist.LineBreak();
llist.Insert("over the lazy dog.");
llist.SetFont(-1,-1,-1,-1,true);
llist.Insert("underlined");
llist.SetFont(-1,-1,-1,-1,false);
llist.SetFont(wxROMAN);
llist.Insert("This is ");
llist.SetFont(-1,-1,-1,wxBOLD); llist.Insert("BOLD "); llist.SetFont(-1,-1,-1,wxNORMAL);
llist.Insert("and ");
llist.SetFont(-1,-1,wxITALIC);
llist.Insert("italics ");
llist.SetFont(-1,-1,wxNORMAL);
llist.LineBreak();
llist.Insert("and ");
llist.SetFont(-1,-1,wxSLANT);
llist.Insert("slanted");
llist.SetFont(-1,-1,wxNORMAL);
llist.Insert(" text.");
llist.LineBreak();
llist.Insert("and ");
llist.SetFont(-1,-1,-1,-1,-1,"blue");
llist.Insert("blue");
llist.SetFont(-1,-1,-1,-1,-1,"black");
llist.Insert("and ");
llist.SetFont(-1,-1,-1,-1,-1,"red","black");
llist.Insert("red on black");
llist.SetFont(-1,-1,-1,-1,-1,"black");
llist.Insert(" text.");
llist.LineBreak();
llist.SetFont(-1,-1,wxSLANT);
llist.Insert("Slanted");
llist.SetFont(-1,-1,wxNORMAL);
llist.Insert(" and normal text and ");
llist.SetFont(-1,-1,wxSLANT);
llist.Insert("slanted");
llist.SetFont(-1,-1,wxNORMAL);
llist.Insert(" again.");
llist.LineBreak();
// add some more text for testing:
llist.Insert("And here the source for the test program:");
llist.LineBreak();
llist.SetFont(wxTELETYPE,16);
char buffer[1024];
FILE *in = fopen("wxLayout.cpp","r");
if(in)
{
for(;;)
{
fgets(buffer,1024,in);
if(feof(in))
break;
llist.Insert(buffer);
llist.LineBreak();
}
}
m_lwin->Refresh();
m_lwin->UpdateScrollbars();
}
void
MyFrame::Clear(void)
{
m_lwin->Erase();
m_lwin->UpdateScrollbars();
}
/* test the editing */
void MyFrame::Edit(void)
{
wxLayoutList & llist = m_lwin->GetLayoutList();
m_lwin->SetEventId(ID_CLICK);
llist.MoveCursor(0);
llist.MoveCursor(5);
llist.MoveCursor(0,2);
llist.Delete(2);
llist.MoveCursor(2);
llist.Insert("not all so ");
llist.LineBreak();
m_lwin->Refresh();
}
void MyFrame::OnCommand( wxCommandEvent &event )
{
cerr << "id:" << event.GetId() << endl;
switch (event.GetId())
{
case ID_QUIT:
Close( TRUE );
break;
case ID_PRINT:
m_lwin->Print();
break;
case ID_DPRINT:
{
wxLayoutList llist;
AddSampleText(llist);
wxPostScriptDC dc("layout.ps",true,this);
if (dc.Ok() && dc.StartDoc((char *)_("Printing message...")))
{
//dc.SetUserScale(1.0, 1.0);
llist.Draw(dc);
dc.EndDoc();
}
}
break;
case ID_EDIT:
Edit();
break;
case ID_ADD_SAMPLE:
AddSampleText(m_lwin->GetLayoutList());
break;
case ID_CLEAR:
Clear();
break;
case ID_DEBUG:
m_lwin->GetLayoutList().Debug();
break;
case ID_CLICK:
cerr << "Received click event." << endl;
break;
case ID_HTML:
{
wxLayoutExportObject *export;
wxLayoutList::iterator i = m_lwin->GetLayoutList().begin();
while((export = wxLayoutExport(m_lwin->GetLayoutList(),
i,WXLO_EXPORT_AS_HTML)) != NULL)
{
if(export->type == WXLO_EXPORT_HTML)
cout << *(export->content.text);
else
cout << "<!--UNKNOWN OBJECT>";
delete export;
}
}
break;
case ID_TEXT:
{
wxLayoutExportObject *export;
wxLayoutList::iterator i = m_lwin->GetLayoutList().begin();
while((export = wxLayoutExport(m_lwin->GetLayoutList(),
i,WXLO_EXPORT_AS_TEXT)) != NULL)
{
if(export->type == WXLO_EXPORT_TEXT)
cout << *(export->content.text);
else
cout << "<!--UNKNOWN OBJECT>";
delete export;
}
}
break;
}
};
//-----------------------------------------------------------------------------
// MyApp
//-----------------------------------------------------------------------------
MyApp::MyApp(void) :
wxApp( )
{
};
bool MyApp::OnInit(void)
{
wxFrame *frame = new MyFrame();
frame->Show( TRUE );
wxSetAFMPath("/usr/local/src/wxWindows/misc/afm/");
return TRUE;
};