9b11752c4f
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58718 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
259 lines
8.3 KiB
C++
259 lines
8.3 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/gtk/collpane.cpp
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// Purpose: wxCollapsiblePane
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// Author: Francesco Montorsi
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// Modified By:
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// Created: 8/10/2006
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// Id: $Id$
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// Copyright: (c) Francesco Montorsi
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#if wxUSE_COLLPANE && !defined(__WXUNIVERSAL__)
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#include "wx/collpane.h"
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#include "wx/toplevel.h"
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#include "wx/sizer.h"
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#include "wx/panel.h"
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#include "wx/gtk/private.h"
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// the lines below duplicate the same definitions in collpaneg.cpp, if we have
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// another implementation of this class we should extract them to a common file
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const char wxCollapsiblePaneNameStr[] = "collapsiblePane";
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wxDEFINE_EVENT( wxEVT_COMMAND_COLLPANE_CHANGED, wxCollapsiblePaneEvent );
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IMPLEMENT_DYNAMIC_CLASS(wxCollapsiblePaneEvent, wxCommandEvent)
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// ============================================================================
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// implementation
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// ============================================================================
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//-----------------------------------------------------------------------------
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// "notify::expanded" signal
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//-----------------------------------------------------------------------------
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extern "C" {
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static void
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gtk_collapsiblepane_expanded_callback(GObject * WXUNUSED(object),
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GParamSpec * WXUNUSED(param_spec),
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wxCollapsiblePane *p)
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{
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if (!p->IsCollapsed())
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{
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if (p->GetPane()->GetSizer())
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p->GetPane()->GetSizer()->Fit( p->GetPane() );
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}
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}
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}
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extern "C" {
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static void
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gtk_collpane_map_unmap_callback( GtkWidget *WXUNUSED(pane), GdkEvent *WXUNUSED(event), wxCollapsiblePane* p )
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{
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if (p->HasFlag(wxCP_NO_TLW_RESIZE))
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{
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// fire an event
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wxCollapsiblePaneEvent ev(p, p->GetId(), p->IsCollapsed());
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p->HandleWindowEvent(ev);
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// the user asked to explicitely handle the resizing itself...
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return;
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}
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wxTopLevelWindow *
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top = wxDynamicCast(wxGetTopLevelParent(p), wxTopLevelWindow);
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if ( top && top->GetSizer() )
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{
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// 2) recalculate minimal size of the top window
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wxSize sz = top->GetSizer()->CalcMin();
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if (top->m_mainWidget)
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{
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// 3) MAGIC HACK: if you ever used GtkExpander in a GTK+ program
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// you know that this magic call is required to make it possible
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// to shrink the top level window in the expanded->collapsed
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// transition. This may be sometimes undesired but *is*
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// necessary and if you look carefully, all GTK+ programs using
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// GtkExpander perform this trick (e.g. the standard "open file"
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// dialog of GTK+>=2.4 is not resizeable when the expander is
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// collapsed!)
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gtk_window_set_resizable (GTK_WINDOW (top->m_widget), p->IsExpanded());
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// 4) set size hints
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top->SetMinClientSize(sz);
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// 5) set size
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top->SetClientSize(sz);
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}
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}
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if ( p->m_bIgnoreNextChange )
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{
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// change generated programmatically - do not send an event!
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p->m_bIgnoreNextChange = false;
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return;
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}
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// fire an event
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wxCollapsiblePaneEvent ev(p, p->GetId(), p->IsCollapsed());
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p->HandleWindowEvent(ev);
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}
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}
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void wxCollapsiblePane::AddChildGTK(wxWindowGTK* child)
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{
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// should be used only once to insert the "pane" into the
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// GtkExpander widget. wxGenericCollapsiblePane::DoAddChild() will check if
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// it has been called only once (and in any case we would get a warning
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// from the following call as GtkExpander is a GtkBin and can contain only
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// a single child!).
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gtk_container_add(GTK_CONTAINER(m_widget), child->m_widget);
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}
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//-----------------------------------------------------------------------------
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// wxCollapsiblePane
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//-----------------------------------------------------------------------------
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IMPLEMENT_DYNAMIC_CLASS(wxCollapsiblePane, wxControl)
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BEGIN_EVENT_TABLE(wxCollapsiblePane, wxCollapsiblePaneBase)
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EVT_SIZE(wxCollapsiblePane::OnSize)
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END_EVENT_TABLE()
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bool wxCollapsiblePane::Create(wxWindow *parent,
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wxWindowID id,
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const wxString& label,
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const wxPoint& pos,
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const wxSize& size,
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long style,
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const wxValidator& val,
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const wxString& name)
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{
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m_bIgnoreNextChange = false;
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if ( !PreCreation( parent, pos, size ) ||
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!wxControl::CreateBase(parent, id, pos, size, style, val, name) )
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{
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wxFAIL_MSG( wxT("wxCollapsiblePane creation failed") );
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return false;
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}
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m_widget =
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gtk_expander_new_with_mnemonic(wxGTK_CONV(GTKConvertMnemonics(label)));
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g_object_ref(m_widget);
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g_signal_connect_after(m_widget, "notify::expanded",
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G_CALLBACK(gtk_collapsiblepane_expanded_callback), this);
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// this the real "pane"
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m_pPane = new wxPanel(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
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wxTAB_TRAVERSAL|wxNO_BORDER, wxT("wxCollapsiblePanePane") );
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gtk_widget_show(m_widget);
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m_parent->DoAddChild( this );
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PostCreation(size);
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// remember the size of this control when it's collapsed
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GtkRequisition req;
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req.width = 2;
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req.height = 2;
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(* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
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(m_widget, &req );
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m_szCollapsed = wxSize( req.width, req.height );
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g_signal_connect (m_pPane->m_widget, "map_event",
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G_CALLBACK (gtk_collpane_map_unmap_callback), this);
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g_signal_connect (m_pPane->m_widget, "unmap_event",
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G_CALLBACK (gtk_collpane_map_unmap_callback), this);
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return true;
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}
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wxSize wxCollapsiblePane::DoGetBestSize() const
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{
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wxASSERT_MSG( m_widget, wxT("DoGetBestSize called before creation") );
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wxSize sz = m_szCollapsed;
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if ( IsExpanded() )
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{
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wxSize panesz = GetPane()->GetBestSize();
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sz.x = wxMax(sz.x, panesz.x);
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sz.y += gtk_expander_get_spacing(GTK_EXPANDER(m_widget)) + panesz.y;
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}
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return sz;
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}
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GdkWindow *wxCollapsiblePane::GTKGetWindow(wxArrayGdkWindows& windows) const
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{
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GtkWidget *label = gtk_expander_get_label_widget( GTK_EXPANDER(m_widget) );
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windows.Add( label->window );
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windows.Add( m_widget->window );
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return NULL;
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}
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void wxCollapsiblePane::Collapse(bool collapse)
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{
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// optimization
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if (IsCollapsed() == collapse)
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return;
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// do not send event in next signal handler call
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m_bIgnoreNextChange = true;
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gtk_expander_set_expanded(GTK_EXPANDER(m_widget), !collapse);
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}
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bool wxCollapsiblePane::IsCollapsed() const
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{
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return !gtk_expander_get_expanded(GTK_EXPANDER(m_widget));
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}
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void wxCollapsiblePane::SetLabel(const wxString &str)
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{
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gtk_expander_set_label(GTK_EXPANDER(m_widget), wxGTK_CONV(str));
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// FIXME: we need to update our collapsed width in some way but using GetBestSize()
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// we may get the size of the control with the pane size summed up if we are expanded!
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//m_szCollapsed.x = GetBestSize().x;
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}
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void wxCollapsiblePane::OnSize(wxSizeEvent &ev)
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{
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#if 0 // for debug only
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wxClientDC dc(this);
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dc.SetPen(*wxBLACK_PEN);
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dc.SetBrush(*wxTRANSPARENT_BRUSH);
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dc.DrawRectangle(wxPoint(0,0), GetSize());
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dc.SetPen(*wxRED_PEN);
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dc.DrawRectangle(wxPoint(0,0), GetBestSize());
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#endif
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// here we need to resize the pane window otherwise, even if the GtkExpander container
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// is expanded or shrinked, the pane window won't be updated!
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m_pPane->SetSize(ev.GetSize().x, ev.GetSize().y - m_szCollapsed.y);
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// we need to explicitely call m_pPane->Layout() or else it won't correctly relayout
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// (even if SetAutoLayout(true) has been called on it!)
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m_pPane->Layout();
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}
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#endif // wxUSE_COLLPANE && !defined(__WXUNIVERSAL__)
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