initial draft of wxCollapsiblePane (patch 1577412 by Francesco)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42259 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2006-10-22 22:28:37 +00:00
parent 187d815255
commit 3c1f8cb1f5
11 changed files with 1208 additions and 2 deletions

213
src/generic/collpaneg.cpp Normal file
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/////////////////////////////////////////////////////////////////////////////
// Name: src/generic/collpaneg.cpp
// Purpose: wxGenericCollapsiblePane
// Author: Francesco Montorsi
// Modified By:
// Created: 8/10/2006
// Id: $Id$
// Copyright: (c) Francesco Montorsi
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/collpane.h"
#include "wx/statline.h"
// ============================================================================
// implementation
// ============================================================================
const wxChar wxGenericCollapsiblePaneNameStr[] = wxT("genericCollapsiblePane");
//-----------------------------------------------------------------------------
// wxGenericCollapsiblePane
//-----------------------------------------------------------------------------
DEFINE_EVENT_TYPE(wxEVT_COMMAND_COLLPANE_CHANGED)
IMPLEMENT_DYNAMIC_CLASS(wxGenericCollapsiblePane, wxControl)
IMPLEMENT_DYNAMIC_CLASS(wxCollapsiblePaneEvent, wxCommandEvent)
BEGIN_EVENT_TABLE(wxGenericCollapsiblePane, wxControl)
EVT_BUTTON(wxCP_BUTTON_ID, wxGenericCollapsiblePane::OnButton)
EVT_SIZE(wxGenericCollapsiblePane::OnSize)
END_EVENT_TABLE()
bool wxGenericCollapsiblePane::Create( wxWindow *parent, wxWindowID id,
const wxString& label,
const wxPoint& pos,
const wxSize& size,
long style,
const wxValidator& val,
const wxString& name)
{
if ( !wxControl::Create(parent, id, pos, size, style, val, name) )
return false;
m_strLabel = label;
// create children; their size & position is set in OnSize()
m_pButton = new wxButton(this, wxCP_BUTTON_ID, GetBtnLabel(), wxPoint(0, 0),
wxDefaultSize, wxBU_EXACTFIT);
m_pStatLine = new wxStaticLine(this, wxID_ANY);
m_pPane = new wxWindow(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxNO_BORDER);
// start as collapsed:
m_pPane->Hide();
//CacheBestSize(GetBestSize());
return true;
}
wxSize wxGenericCollapsiblePane::DoGetBestSize() const
{
wxSize sz = m_pButton->GetBestSize();
// set width
sz.SetWidth( sz.GetWidth() + wxCP_MARGIN + m_pStatLine->GetBestSize().GetWidth() );
sz.SetWidth( wxMax(sz.GetWidth(), m_pPane->GetBestSize().GetWidth()) );
// when expanded, we need more vertical space
if (!IsCollapsed())
sz.SetHeight( sz.GetHeight() + wxCP_MARGIN + m_pPane->GetBestSize().GetHeight() );
return sz;
}
wxString wxGenericCollapsiblePane::GetBtnLabel() const
{
if (IsCollapsed())
return m_strLabel + wxT(" >>");
return m_strLabel + wxT(" <<");
}
void wxGenericCollapsiblePane::Collapse(bool collapse)
{
// optimization
if (IsCollapsed() == collapse)
return;
// update our state
m_pPane->Show(!collapse);
// update button label
// NB: this must be done after updating our "state"
m_pButton->SetLabel(GetBtnLabel());
// minimal size has priority over the best size so set here our min size
wxSize sz = GetBestSize();
SetMinSize(sz);
SetSize(sz);
wxWindow *top = GetTopLevelParent();
if (top)
{
// we've changed our size, thus our top level parent needs to relayout itself
top->Layout();
// FIXME: this makes wxGenericCollapsiblePane behave as the user expect but
// maybe there are cases where this is unwanted!
if (top->GetSizer())
#ifdef __WXGTK__
// FIXME: the SetSizeHints() call would be required also for GTK+ for the
// expanded->collapsed transition.
// Unfortunately if we enable this line, then the GTK+ top window
// won't always be resized by the SetClientSize() call below!
// As a side effect of this dirty fix, the minimal size for the
// pane window is not set in GTK+ and the user can hide it shrinking
// the "top" window...
if (IsCollapsed())
#endif
top->GetSizer()->SetSizeHints(top);
if (IsCollapsed())
{
// NB: we need to use SetClientSize() and not SetSize() otherwise the size for
// windows like e.g. wxFrames with wxMenubars won't be correctly set
top->SetClientSize(sz);
}
else
{
// force our parent to "fit", i.e. expand so that it can honour
// our minimal size
top->Fit();
}
}
}
wxWindow *wxGenericCollapsiblePane::GetTopLevelParent()
{
wxWindow *parent = GetParent();
while (parent && !parent->IsTopLevel())
parent = parent->GetParent();
return parent;
}
void wxGenericCollapsiblePane::SetLabel(const wxString &label)
{
m_strLabel = label;
m_pButton->SetLabel(GetBtnLabel());
m_pButton->SetBestFittingSize();
LayoutChildren();
}
void wxGenericCollapsiblePane::LayoutChildren()
{
wxSize btnSz = m_pButton->GetSize();
// the button position & size are always ok...
// move & resize the static line
m_pStatLine->SetSize(btnSz.GetWidth() + wxCP_MARGIN, btnSz.GetHeight()/2,
GetSize().GetWidth() - btnSz.GetWidth() - wxCP_MARGIN, -1,
wxSIZE_USE_EXISTING);
// move & resize the container window
m_pPane->SetSize(0, btnSz.GetHeight() + wxCP_MARGIN,
GetSize().GetWidth(), GetSize().GetHeight() - btnSz.GetHeight() - wxCP_MARGIN);
}
//-----------------------------------------------------------------------------
// wxGenericCollapsiblePane - event handlers
//-----------------------------------------------------------------------------
void wxGenericCollapsiblePane::OnButton(wxCommandEvent &WXUNUSED(event))
{
Collapse(!IsCollapsed());
// this change was generated by the user - send the event
wxCollapsiblePaneEvent ev(this, GetId(), IsCollapsed());
GetEventHandler()->ProcessEvent(ev);
}
void wxGenericCollapsiblePane::OnSize(wxSizeEvent& WXUNUSED(event))
{
#if 0 // for debug only
wxClientDC dc(this);
dc.SetPen(*wxBLACK_PEN);
dc.SetBrush(*wxTRANSPARENT_BRUSH);
dc.DrawRectangle(wxPoint(0,0), GetSize());
dc.SetPen(*wxRED_PEN);
dc.DrawRectangle(wxPoint(0,0), GetBestSize());
#endif
if (!m_pButton || !m_pStatLine || !m_pPane)
return; // we need to complete the creation first!
LayoutChildren();
// this is very important to make the pane window layout show correctly
m_pPane->Layout();
}