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wxWindows-2.4.0
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dlgcmn.cpp
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C/C++ Source or Header
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2002-09-21
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9KB
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277 lines
/////////////////////////////////////////////////////////////////////////////
// Name: common/dlgcmn.cpp
// Purpose: common (to all ports) wxDialog functions
// Author: Vadim Zeitlin
// Modified by:
// Created: 28.06.99
// RCS-ID: $Id: dlgcmn.cpp,v 1.19.2.2 2002/09/20 21:07:22 RR Exp $
// Copyright: (c) Vadim Zeitlin
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation "dialogbase.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/button.h"
#include "wx/dialog.h"
#include "wx/dcclient.h"
#include "wx/intl.h"
#include "wx/settings.h"
#include "wx/stattext.h"
#include "wx/sizer.h"
#include "wx/button.h"
#include "wx/containr.h"
#endif
//--------------------------------------------------------------------------
// wxDialogBase
//--------------------------------------------------------------------------
// FIXME - temporary hack in absence of wxtopLevelWindow, should be always used
#ifdef wxTopLevelWindowNative
BEGIN_EVENT_TABLE(wxDialogBase, wxTopLevelWindow)
WX_EVENT_TABLE_CONTROL_CONTAINER(wxDialogBase)
END_EVENT_TABLE()
WX_DELEGATE_TO_CONTROL_CONTAINER(wxDialogBase)
#endif
void wxDialogBase::Init()
{
m_returnCode = 0;
// the dialogs have this flag on by default to prevent the events from the
// dialog controls from reaching the parent frame which is usually
// undesirable and can lead to unexpected and hard to find bugs
SetExtraStyle(GetExtraStyle() | wxWS_EX_BLOCK_EVENTS);
#ifdef wxTopLevelWindowNative // FIXME - temporary hack, should be always used!
m_container.SetContainerWindow(this);
#endif
}
#if wxUSE_STATTEXT && wxUSE_TEXTCTRL
wxSizer *wxDialogBase::CreateTextSizer( const wxString& message )
{
bool is_pda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA);
wxString text = message;
// I admit that this is complete bogus, but it makes
// message boxes work for pda screens temporarily..
int max_width = -1;
if (is_pda)
{
max_width = wxSystemSettings::GetMetric( wxSYS_SCREEN_X ) - 25;
text += wxT('\n');
}
wxBoxSizer *box = new wxBoxSizer( wxVERTICAL );
// get line height for empty lines
int y = 0;
wxFont font( GetFont() );
if (!font.Ok())
font = *wxSWISS_FONT;
GetTextExtent( wxT("H"), (int*)NULL, &y, (int*)NULL, (int*)NULL, &font);
size_t last_space = 0;
wxString line;
for ( size_t pos = 0; pos < text.length(); pos++ )
{
switch ( text[pos] )
{
case wxT('\n'):
if (!line.IsEmpty())
{
wxStaticText *s = new wxStaticText( this, -1, line );
box->Add( s );
line = wxT("");
}
else
{
box->Add( 5, y );
}
break;
case wxT('&'):
// this is used as accel mnemonic prefix in the wxWindows
// controls but in the static messages created by
// CreateTextSizer() (used by wxMessageBox, for example), we
// don't want this special meaning, so we need to quote it
line += wxT('&');
// fall through to add it normally too
default:
if (text[pos] == wxT(' '))
last_space = pos;
line += message[pos];
if (is_pda)
{
int width = 0;
GetTextExtent( line, &width, (int*)NULL, (int*)NULL, (int*)NULL, &font );
if (width > max_width)
{
// exception if there was no previous space
if (last_space == 0)
last_space = pos;
int diff = pos-last_space;
int len = line.Len();
line.Remove( len-diff, diff );
wxStaticText *s = new wxStaticText( this, -1, line );
box->Add( s );
pos = last_space;
last_space = 0;
line = wxT("");
}
}
}
}
// remaining text behind last '\n'
if (!line.IsEmpty())
{
wxStaticText *s2 = new wxStaticText( this, -1, line );
box->Add( s2 );
}
return box;
}
#endif // wxUSE_STATTEXT && wxUSE_TEXTCTRL
#if wxUSE_BUTTON
wxSizer *wxDialogBase::CreateButtonSizer( long flags )
{
bool is_pda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA);
wxBoxSizer *box = NULL;
// If we have a PDA screen, put yes/no button over
// all other buttons, otherwise on the left side.
if (is_pda)
box = new wxBoxSizer( wxVERTICAL );
else
box = new wxBoxSizer( wxHORIZONTAL );
wxBoxSizer *inner_yes_no = NULL;
// Only create sizer containing yes/no
// if it is actually required
if ( (flags & wxYES_NO) != 0 )
{
inner_yes_no = new wxBoxSizer( wxHORIZONTAL );
box->Add( inner_yes_no, 0, wxBOTTOM, 10 );
}
wxBoxSizer *inner_rest = new wxBoxSizer( wxHORIZONTAL );
box->Add( inner_rest, 0, 0, 0 );
#if defined(__WXMSW__) || defined(__WXMAC__)
static const int margin = 6;
#else
static const int margin = 10;
#endif
wxButton *ok = (wxButton *) NULL;
wxButton *cancel = (wxButton *) NULL;
wxButton *yes = (wxButton *) NULL;
wxButton *no = (wxButton *) NULL;
// always show an OK button, unless we have both YES and NO
if ( (flags & wxYES_NO) != wxYES_NO )
flags |= wxOK;
if (flags & wxYES)
{
yes = new wxButton( this, wxID_YES, _("Yes"),wxDefaultPosition,wxDefaultSize,wxCLIP_SIBLINGS );
inner_yes_no->Add( yes, 0, wxLEFT|wxRIGHT, margin );
}
if (flags & wxNO)
{
no = new wxButton( this, wxID_NO, _("No"),wxDefaultPosition,wxDefaultSize,wxCLIP_SIBLINGS );
inner_yes_no->Add( no, 0, wxLEFT|wxRIGHT, margin );
}
if (flags & wxOK)
{
ok = new wxButton( this, wxID_OK, _("OK"),wxDefaultPosition,wxDefaultSize,wxCLIP_SIBLINGS );
inner_rest->Add( ok, 0, wxLEFT|wxRIGHT, margin );
}
if (flags & wxFORWARD)
inner_rest->Add( new wxButton( this, wxID_FORWARD, _("Forward"),wxDefaultPosition,wxDefaultSize,wxCLIP_SIBLINGS ), 0, wxLEFT|wxRIGHT, margin );
if (flags & wxBACKWARD)
inner_rest->Add( new wxButton( this, wxID_BACKWARD, _("Backward"),wxDefaultPosition,wxDefaultSize,wxCLIP_SIBLINGS ), 0, wxLEFT|wxRIGHT, margin );
if (flags & wxSETUP)
inner_rest->Add( new wxButton( this, wxID_SETUP, _("Setup"),wxDefaultPosition,wxDefaultSize,wxCLIP_SIBLINGS ), 0, wxLEFT|wxRIGHT, margin );
if (flags & wxMORE)
inner_rest->Add( new wxButton( this, wxID_MORE, _("More..."),wxDefaultPosition,wxDefaultSize,wxCLIP_SIBLINGS ), 0, wxLEFT|wxRIGHT, margin );
if (flags & wxHELP)
inner_rest->Add( new wxButton( this, wxID_HELP, _("Help"),wxDefaultPosition,wxDefaultSize,wxCLIP_SIBLINGS ), 0, wxLEFT|wxRIGHT, margin );
if (flags & wxCANCEL)
{
cancel = new wxButton( this, wxID_CANCEL, _("Cancel"),wxDefaultPosition,wxDefaultSize,wxCLIP_SIBLINGS );
inner_rest->Add( cancel, 0, wxLEFT|wxRIGHT, margin );
}
// choose the default button
if (flags & wxNO_DEFAULT)
{
if (no)
{
no->SetDefault();
no->SetFocus();
}
}
else
{
if (ok)
{
ok->SetDefault();
ok->SetFocus();
}
else if (yes)
{
yes->SetDefault();
yes->SetFocus();
}
}
return box;
}
#endif // wxUSE_BUTTON