3dpcp/.svn/pristine/7d/7d2ed5df9c31f181c3776138393c9c3e5ba6d1bb.svn-base

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2012-09-16 12:33:11 +00:00
/////////////////////////////////////////////////////////////////////////////
// Name: wxMenuButton
// Purpose: A button with a dropdown wxMenu
// Author: John Labenski
// Modified by:
// Created: 11/05/2002
// RCS-ID:
// Copyright: (c) John Labenki
// Licence: wxWidgets licence
/////////////////////////////////////////////////////////////////////////////
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "menubtn.h"
#endif
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/control.h"
#include "wx/menu.h"
#include "wx/settings.h"
#include "wx/bitmap.h"
#include "wx/pen.h"
#include "wx/dc.h"
#endif // WX_PRECOMP
#include "wx/things/toggle.h"
#include "wx/things/menubtn.h"
/* XPM */
static const char *down_arrow_xpm_data[] = {
/* columns rows colors chars-per-pixel */
"5 3 2 1",
" c None",
"a c Black",
/* pixels */
"aaaaa",
" aaa ",
" a "};
static wxBitmap s_dropdownBitmap; // all buttons share the same bitmap
enum
{
IDD_DROPDOWN_BUTTON = 100
};
//-----------------------------------------------------------------------------
// wxMenuButtonEvents
//-----------------------------------------------------------------------------
DEFINE_LOCAL_EVENT_TYPE(wxEVT_MENUBUTTON_OPEN)
// ==========================================================================
// MenuDropButton
// ==========================================================================
class MenuDropButton : public wxCustomButton
{
public:
MenuDropButton( wxWindow *parent, wxWindowID id, long style) : wxCustomButton()
{
if (!s_dropdownBitmap.Ok())
s_dropdownBitmap = wxBitmap(down_arrow_xpm_data);
Create( parent, id, wxEmptyString, s_dropdownBitmap, wxDefaultPosition,
wxSize(wxMENUBUTTON_DROP_WIDTH, wxMENUBUTTON_DROP_HEIGHT), style);
}
virtual void Paint( wxDC &dc )
{
wxCustomButton *labelBut = ((wxMenuButton*)GetParent())->GetLabelButton();
// pretend that both buttons have focus (for flat style)
if (labelBut)
{
wxPoint p = GetParent()->ScreenToClient(wxGetMousePosition());
if (GetRect().Inside(p) || labelBut->GetRect().Inside(p))
{
m_focused = true;
if (!labelBut->GetFocused())
labelBut->SetFocused(true);
}
else
{
m_focused = false;
if (labelBut->GetFocused())
labelBut->SetFocused(false);
}
}
wxCustomButton::Paint(dc);
}
};
// ==========================================================================
// MenuLabelButton
// ==========================================================================
class MenuLabelButton : public wxCustomButton
{
public:
MenuLabelButton( wxWindow* parent, wxWindowID id,
const wxString &label,
const wxBitmap &bitmap,
long style ) : wxCustomButton()
{
Create(parent, id, label, bitmap, wxDefaultPosition, wxDefaultSize, style);
}
virtual void Paint( wxDC &dc )
{
wxCustomButton *dropBut = ((wxMenuButton*)GetParent())->GetDropDownButton();
// pretend that both buttons have focus (for flat style)
if (dropBut)
{
wxPoint p = GetParent()->ScreenToClient(wxGetMousePosition());
if (GetRect().Inside(p) || dropBut->GetRect().Inside(p))
{
m_focused = true;
if (!dropBut->GetFocused())
dropBut->SetFocused(true);
}
else
{
m_focused = false;
if (dropBut->GetFocused())
dropBut->SetFocused(false);
}
}
wxCustomButton::Paint(dc);
}
};
// ==========================================================================
// wxMenuButton
// ==========================================================================
IMPLEMENT_DYNAMIC_CLASS( wxMenuButton, wxControl )
BEGIN_EVENT_TABLE(wxMenuButton,wxControl)
EVT_BUTTON(wxID_ANY, wxMenuButton::OnButton)
#ifdef __WXMSW__
EVT_MENU(wxID_ANY, wxMenuButton::OnMenu)
#endif
END_EVENT_TABLE()
wxMenuButton::~wxMenuButton()
{
AssignMenu(NULL, true);
}
void wxMenuButton::Init()
{
m_labelButton = NULL;
m_dropdownButton = NULL;
m_menu = NULL;
m_menu_static = false;
m_style = 0;
}
bool wxMenuButton::Create( wxWindow* parent, wxWindowID id,
const wxString &label,
const wxBitmap &bitmap,
const wxPoint& pos,
const wxSize& size,
long style,
const wxValidator& val,
const wxString& name)
{
m_style = style;
long flat = style & wxMENUBUT_FLAT;
wxControl::Create(parent,id,pos,size,wxNO_BORDER|wxCLIP_CHILDREN,val,name);
wxControl::SetLabel(label);
SetBackgroundColour(parent->GetBackgroundColour());
SetForegroundColour(parent->GetForegroundColour());
SetFont(parent->GetFont());
m_labelButton = new MenuLabelButton(this, id, label, bitmap, wxCUSTBUT_BUTTON|flat);
m_dropdownButton = new MenuDropButton(this, IDD_DROPDOWN_BUTTON, wxCUSTBUT_BUTTON|flat);
wxSize bestSize = DoGetBestSize();
SetSize( wxSize(size.x < 0 ? bestSize.x : size.x,
size.y < 0 ? bestSize.y : size.y) );
//SetBestSize(GetSize());
return true;
}
#ifdef __WXMSW__
// FIXME - I think there was a patch to fix this
void wxMenuButton::OnMenu( wxCommandEvent &event )
{
event.Skip();
wxMenuItem *mi = m_menu->FindItem(event.GetId());
if (mi && (mi->GetKind() == wxITEM_RADIO))
m_menu->Check(event.GetId(), true);
}
#endif // __WXMSW__
void wxMenuButton::OnButton( wxCommandEvent &event)
{
int win_id = event.GetId();
if (win_id == IDD_DROPDOWN_BUTTON)
{
if (m_menu)
{
wxNotifyEvent mevent(wxEVT_MENUBUTTON_OPEN, GetId());
mevent.SetEventObject(this);
if (GetEventHandler()->ProcessEvent(mevent) && !mevent.IsAllowed())
return;
if (!m_menu)
return;
PopupMenu(m_menu, wxPoint(0, GetSize().y));
m_labelButton->Refresh(false);
m_dropdownButton->Refresh(false);
}
}
else if (win_id == m_labelButton->GetId())
{
if (!m_menu) return;
const wxMenuItemList &items = m_menu->GetMenuItems();
int first_radio_id = -1;
int checked_id = -1;
bool check_next = false;
// find the next available radio item to check
for (wxMenuItemList::Node *node = items.GetFirst(); node; node = node->GetNext())
{
wxMenuItem *mi = (wxMenuItem*)node->GetData();
if (mi && (mi->GetKind() == wxITEM_RADIO))
{
if (first_radio_id == -1)
first_radio_id = mi->GetId();
if (check_next)
{
check_next = false;
checked_id = mi->GetId();
break;
}
else if (mi->IsChecked())
check_next = true;
}
}
// the last item was checked, go back to the first
if (check_next && (first_radio_id != -1))
checked_id = first_radio_id;
if (checked_id != -1)
{
m_menu->Check(checked_id, true);
wxCommandEvent mevent( wxEVT_COMMAND_MENU_SELECTED, checked_id);
mevent.SetEventObject( m_menu );
mevent.SetInt(1);
GetEventHandler()->ProcessEvent(mevent);
}
}
}
int wxMenuButton::GetSelection() const
{
wxCHECK_MSG(m_menu != NULL, wxNOT_FOUND, wxT("No attached menu in wxMenuButton::GetSelection"));
const wxMenuItemList &items = m_menu->GetMenuItems();
for (wxMenuItemList::Node *node = items.GetFirst(); node; node = node->GetNext())
{
wxMenuItem *mi = (wxMenuItem*)node->GetData();
if (mi && (mi->GetKind() == wxITEM_RADIO))
{
if (mi->IsChecked())
return mi->GetId();
}
}
return wxNOT_FOUND;
}
void wxMenuButton::AssignMenu(wxMenu *menu, bool static_menu)
{
if (!m_menu_static && m_menu)
delete m_menu;
m_menu = menu;
m_menu_static = static_menu;
}
void wxMenuButton::SetToolTip(const wxString &tip)
{
wxWindow::SetToolTip(tip);
((wxWindow*)m_labelButton)->SetToolTip(tip);
((wxWindow*)m_dropdownButton)->SetToolTip(tip);
}
void wxMenuButton::SetToolTip(wxToolTip *tip)
{
wxWindow::SetToolTip(tip);
((wxWindow*)m_labelButton)->SetToolTip(tip);
((wxWindow*)m_dropdownButton)->SetToolTip(tip);
}
void wxMenuButton::DoSetSize(int x, int y, int width, int height, int sizeFlags)
{
wxSize curSize( GetSize() );
wxSize bestSize( DoGetBestSize() );
if (width == -1)
width = curSize.GetWidth();
if (width < 10)
width = bestSize.GetWidth();
if (height == -1)
height = curSize.GetHeight();
if (height < 5)
height = bestSize.GetHeight();
wxWindow::DoSetSize(x, y, width, height, sizeFlags);
if (m_labelButton)
m_labelButton->SetSize(0, 0, width - wxMENUBUTTON_DROP_WIDTH, height);
if (m_dropdownButton)
m_dropdownButton->SetSize(width-wxMENUBUTTON_DROP_WIDTH, 0, wxMENUBUTTON_DROP_WIDTH, height);
}
wxSize wxMenuButton::DoGetBestSize()
{
if (!m_labelButton || !m_dropdownButton)
return wxSize(wxMENUBUTTON_DROP_WIDTH+wxMENUBUTTON_DROP_HEIGHT, wxMENUBUTTON_DROP_HEIGHT);
wxSize size = m_labelButton->GetBestSize();
size.x += wxMENUBUTTON_DROP_WIDTH;
return size;
}