// Author: Francesco Montorsi
// Modified By:
// Created: 8/10/2006
-// Id: $Id$
// Copyright: (c) Francesco Montorsi
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#ifdef __WXGTK24__
+#if wxUSE_COLLPANE && !defined(__WXUNIVERSAL__)
#include "wx/collpane.h"
+#include "wx/toplevel.h"
+#include "wx/sizer.h"
+#include "wx/panel.h"
+
+#include <gtk/gtk.h>
#include "wx/gtk/private.h"
+#include "wx/gtk/private/gtk2-compat.h"
+
+// the lines below duplicate the same definitions in collpaneg.cpp, if we have
+// another implementation of this class we should extract them to a common file
-#include <gtk/gtkexpander.h>
+const char wxCollapsiblePaneNameStr[] = "collapsiblePane";
-const wxChar wxCollapsiblePaneNameStr[] = wxT("CollapsiblePane");
+wxDEFINE_EVENT( wxEVT_COLLAPSIBLEPANE_CHANGED, wxCollapsiblePaneEvent );
+
+IMPLEMENT_DYNAMIC_CLASS(wxCollapsiblePaneEvent, wxCommandEvent)
// ============================================================================
// implementation
extern "C" {
-static void gtk_collapsiblepane_expanded_callback (GObject *object,
- GParamSpec *param_spec,
- wxCollapsiblePane *p)
+static void
+gtk_collapsiblepane_expanded_callback(GObject * WXUNUSED(object),
+ GParamSpec * WXUNUSED(param_spec),
+ wxCollapsiblePane *p)
{
// NB: unlike for the "activate" signal, when this callback is called, if
// we try to query the "collapsed" status through p->IsCollapsed(), we
wxSize sz;
if ( p->IsExpanded() )
{
- // unfortunately there's no clean way to retrieve the minimal size of
- // the expanded pane in this handler or in other handlers for the
- // signals generated by user clicks on the GtkExpander button:
- // p->GetBestSize() or p->GetMinSize() would still return the size for
- // the collapsed expander even if the collapsed->expanded transition
- // has already been completed (this because GTK+ queues some resize
- // calls which still must be processed). So, the only solution to
- // correctly set the size hints for this window is to calculate the
- // expanded size ourselves, without relying on p->Get[Best|Min]Size:
- sz = p->GetMinSize();
- sz.SetWidth(wxMax(sz.x, p->GetPane()->GetMinSize().x));
- sz.SetHeight(sz.y + p->GetPane()->GetMinSize().y + 10);
+ // NB: we cannot use the p->GetBestSize() or p->GetMinSize() functions
+ // here as they would return the size for the collapsed expander
+ // even if the collapsed->expanded transition has already been
+ // completed; we solve this problem doing:
+
+ sz = p->m_szCollapsed;
+
+ wxSize panesz = p->GetPane()->GetBestSize();
+ sz.x = wxMax(sz.x, panesz.x);
+ sz.y += gtk_expander_get_spacing(GTK_EXPANDER(p->m_widget)) + panesz.y;
}
else // collapsed
{
sz = p->m_szCollapsed;
}
- p->OnStateChange(sz);
+ // VERY IMPORTANT:
+ // just calling
+ // p->OnStateChange(sz);
+ // here would work work BUT:
+ // 1) in the expanded->collapsed transition it provokes a lot of flickering
+ // 2) in the collapsed->expanded transition using the "Change status" wxButton
+ // in samples/collpane application some strange warnings would be generated
+ // by the "clearlooks" theme, if that's your theme.
+ //
+ // So we prefer to use some GTK+ native optimized calls, which prevent too many resize
+ // calculations to happen. Note that the following code has been very carefully designed
+ // and tested - be VERY careful when changing it!
+
+ // 1) need to update our size hints
+ // NB: this function call won't actually do any long operation
+ // (redraw/relayout/resize) so that it's flicker-free
+ p->SetMinSize(sz);
+
+ if (p->HasFlag(wxCP_NO_TLW_RESIZE))
+ {
+ // fire an event
+ wxCollapsiblePaneEvent ev(p, p->GetId(), p->IsCollapsed());
+ p->HandleWindowEvent(ev);
+
+ // the user asked to explicitly handle the resizing itself...
+ return;
+ }
+
+ wxTopLevelWindow *
+ top = wxDynamicCast(wxGetTopLevelParent(p), wxTopLevelWindow);
+ if ( top && top->GetSizer() )
+ {
+ // 2) recalculate minimal size of the top window
+ sz = top->GetSizer()->CalcMin();
+
+ if (top->m_mainWidget)
+ {
+ // 3) MAGIC HACK: if you ever used GtkExpander in a GTK+ program
+ // you know that this magic call is required to make it possible
+ // to shrink the top level window in the expanded->collapsed
+ // transition. This may be sometimes undesired but *is*
+ // necessary and if you look carefully, all GTK+ programs using
+ // GtkExpander perform this trick (e.g. the standard "open file"
+ // dialog of GTK+>=2.4 is not resizable when the expander is
+ // collapsed!)
+ gtk_window_set_resizable (GTK_WINDOW (top->m_widget), p->IsExpanded());
+
+ // 4) set size hints
+ top->SetMinClientSize(sz);
+
+ // 5) set size
+ top->SetClientSize(sz);
+ }
+ }
if ( p->m_bIgnoreNextChange )
{
// fire an event
wxCollapsiblePaneEvent ev(p, p->GetId(), p->IsCollapsed());
- p->GetEventHandler()->ProcessEvent(ev);
+ p->HandleWindowEvent(ev);
}
}
-static void
-gtk_collapsiblepane_insert_callback(wxWindowGTK* parent, wxWindowGTK* child)
+void wxCollapsiblePane::AddChildGTK(wxWindowGTK* child)
{
- // this callback should be used only once to insert the "pane" into the
+ // should be used only once to insert the "pane" into the
// GtkExpander widget. wxGenericCollapsiblePane::DoAddChild() will check if
// it has been called only once (and in any case we would get a warning
// from the following call as GtkExpander is a GtkBin and can contain only
// a single child!).
- gtk_container_add (GTK_CONTAINER (parent->m_widget), child->m_widget);
+ gtk_container_add(GTK_CONTAINER(m_widget), child->m_widget);
}
//-----------------------------------------------------------------------------
// wxCollapsiblePane
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxCollapsiblePane, wxGenericCollapsiblePane)
+IMPLEMENT_DYNAMIC_CLASS(wxCollapsiblePane, wxControl)
-BEGIN_EVENT_TABLE(wxCollapsiblePane, wxGenericCollapsiblePane)
+BEGIN_EVENT_TABLE(wxCollapsiblePane, wxCollapsiblePaneBase)
EVT_SIZE(wxCollapsiblePane::OnSize)
END_EVENT_TABLE()
const wxValidator& val,
const wxString& name)
{
- if (gtk_check_version(2,4,0))
- return wxGenericCollapsiblePane::Create(parent, id, label,
- pos, size, style, val, name);
-
- m_needParent = true;
- m_acceptsFocus = true;
m_bIgnoreNextChange = false;
if ( !PreCreation( parent, pos, size ) ||
m_widget =
gtk_expander_new_with_mnemonic(wxGTK_CONV(GTKConvertMnemonics(label)));
+ g_object_ref(m_widget);
// see the gtk_collapsiblepane_expanded_callback comments to understand why
// we connect to the "notify::expanded" signal instead of the more common
g_signal_connect(m_widget, "notify::expanded",
G_CALLBACK(gtk_collapsiblepane_expanded_callback), this);
- // before creating m_pPane, we need to makesure our own insert callback
- // will be used
- m_insertCallback = gtk_collapsiblepane_insert_callback;
-
// this the real "pane"
- m_pPane = new wxWindow(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
- wxNO_BORDER);
+ m_pPane = new wxPanel(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
+ wxTAB_TRAVERSAL|wxNO_BORDER, wxS("wxCollapsiblePanePane"));
- gtk_widget_show( GTK_WIDGET(m_widget) );
m_parent->DoAddChild( this );
PostCreation(size);
+ // we should blend into our parent background
+ const wxColour bg = parent->GetBackgroundColour();
+ SetBackgroundColour(bg);
+ m_pPane->SetBackgroundColour(bg);
+
// remember the size of this control when it's collapsed
m_szCollapsed = GetBestSize();
wxSize wxCollapsiblePane::DoGetBestSize() const
{
- if (!gtk_check_version(2,4,0))
- {
- wxASSERT_MSG( m_widget, wxT("DoGetBestSize called before creation") );
-
- GtkRequisition req;
- req.width = 2;
- req.height = 2;
- (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
- (m_widget, &req );
+ wxASSERT_MSG( m_widget, wxT("DoGetBestSize called before creation") );
- // notice that we do not cache our best size here as it changes
- return wxSize(req.width, req.height);
- }
+ GtkRequisition req;
+#ifdef __WXGTK3__
+ gtk_widget_get_preferred_size(m_widget, NULL, &req);
+#else
+ GTK_WIDGET_GET_CLASS(m_widget)->size_request(m_widget, &req);
+#endif
- return wxGenericCollapsiblePane::DoGetBestSize();
+ // notice that we do not cache our best size here as it changes
+ // all times the user expands/hide our pane
+ return wxSize(req.width, req.height);
}
void wxCollapsiblePane::Collapse(bool collapse)
{
- if (!gtk_check_version(2,4,0))
- {
- // optimization
- if (IsCollapsed() == collapse)
- return;
+ // optimization
+ if (IsCollapsed() == collapse)
+ return;
- // do not send event in next signal handler call
- m_bIgnoreNextChange = true;
- gtk_expander_set_expanded(GTK_EXPANDER(m_widget), !collapse);
- }
- else
- wxGenericCollapsiblePane::Collapse(collapse);
+ // do not send event in next signal handler call
+ m_bIgnoreNextChange = true;
+ gtk_expander_set_expanded(GTK_EXPANDER(m_widget), !collapse);
}
bool wxCollapsiblePane::IsCollapsed() const
{
- if (!gtk_check_version(2,4,0))
- return !gtk_expander_get_expanded(GTK_EXPANDER(m_widget));
-
- return wxGenericCollapsiblePane::IsCollapsed();
+ return !gtk_expander_get_expanded(GTK_EXPANDER(m_widget));
}
void wxCollapsiblePane::SetLabel(const wxString &str)
{
- if (!gtk_check_version(2,4,0))
- gtk_expander_set_label(GTK_EXPANDER(m_widget), str.c_str());
- else
- wxGenericCollapsiblePane::SetLabel(str);
+ gtk_expander_set_label(GTK_EXPANDER(m_widget),
+ wxGTK_CONV(GTKConvertMnemonics(str)));
+
+ // FIXME: we need to update our collapsed width in some way but using GetBestSize()
+ // we may get the size of the control with the pane size summed up if we are expanded!
+ //m_szCollapsed.x = GetBestSize().x;
}
void wxCollapsiblePane::OnSize(wxSizeEvent &ev)
#endif
// here we need to resize the pane window otherwise, even if the GtkExpander container
- // is expanded or shrinked, the pane window won't be updated!
- m_pPane->SetSize(ev.GetSize());
+ // is expanded or shrunk, the pane window won't be updated!
+ m_pPane->SetSize(ev.GetSize().x, ev.GetSize().y - m_szCollapsed.y);
- // we need to explicitely call m_pPane->Layout() or else it won't correctly relayout
+ // we need to explicitly call m_pPane->Layout() or else it won't correctly relayout
// (even if SetAutoLayout(true) has been called on it!)
m_pPane->Layout();
}
-#endif // __WXGTK24__
+
+GdkWindow *wxCollapsiblePane::GTKGetWindow(wxArrayGdkWindows& windows) const
+{
+ GtkWidget *label = gtk_expander_get_label_widget( GTK_EXPANDER(m_widget) );
+ windows.Add(gtk_widget_get_window(label));
+ windows.Add(gtk_widget_get_window(m_widget));
+
+ return NULL;
+}
+
+#endif // wxUSE_COLLPANE && !defined(__WXUNIVERSAL__)
projects / wxWidgets.git / blobdiff