// 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"
-#if wxUSE_COLLPANE && defined( __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/win_gtk.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
+
+const char wxCollapsiblePaneNameStr[] = "collapsiblePane";
-#include <gtk/gtkexpander.h>
+wxDEFINE_EVENT( wxEVT_COLLAPSIBLEPANE_CHANGED, wxCollapsiblePaneEvent );
-const wxChar wxCollapsiblePaneNameStr[] = wxT("CollapsiblePane");
+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
sz = p->m_szCollapsed;
}
-#if 1
- // this does work but in the expanded->collapsed transition it provokes
- // a lot of flicker!!!
- //
- // It also has the problem that in the collapsed->expanded transition with the
- // "clearlooks" GTK theme I get:
- //
- // ** (collpane:18928): CRITICAL **: clearlooks_style_draw_focus: assertion `height >= -1' failed
- // ** (collpane:18928): CRITICAL **: clearlooks_style_draw_focus: assertion `height >= -1' failed
+ // 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.
//
- // Not sure however if this is a ClearLooks bug or rather my bug.
- // Note that those warnings only appear:
- // 1) if you're using clearlooks theme
- // 2) if you use the "Change status" wxButton in samples/collpane application
- p->OnStateChange(sz);
+ // 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!
-#else // flicker-free code
-
-
- // need to update our size hints
+ // 1) need to update our size hints
// NB: this function call won't actually do any long operation
- // (redraw/relayouting/resizing) so that it's flicker-free
+ // (redraw/relayout/resize) so that it's flicker-free
p->SetMinSize(sz);
if (p->HasFlag(wxCP_NO_TLW_RESIZE))
{
- // the user asked to explicitely handle the resizing itself...
+ // fire an event
+ wxCollapsiblePaneEvent ev(p, p->GetId(), p->IsCollapsed());
+ p->HandleWindowEvent(ev);
+
+ // the user asked to explicitly handle the resizing itself...
return;
}
top = wxDynamicCast(wxGetTopLevelParent(p), wxTopLevelWindow);
if ( top && top->GetSizer() )
{
- // recalculate minimal size of the top window
- wxSize sz = top->GetSizer()->CalcMin();
-
- // FIXME:
- // THE PROBLEM WITH THIS CODE IS THAT IN THE EXPANDED->COLLAPSED TRANSITION
- // IT DOES *NOT* SHRINK THE TOP WINDOW.
- // However it's flicker-free, native code and it also does not have the
- // ** (collpane:18928): CRITICAL **: clearlooks_style_draw_focus: assertion `height >= -1' failed
- // problem
+ // 2) recalculate minimal size of the top window
+ sz = top->GetSizer()->CalcMin();
if (top->m_mainWidget)
{
- wxLogDebug(wxT("setting min size to %d;%d"), sz.x, sz.y);
-
- // set size hints
- GdkGeometry geom;
-
- geom.min_width = sz.x;
- geom.min_height = sz.y;
-
- gtk_window_set_geometry_hints( GTK_WINDOW(top->m_widget),
- (GtkWidget*) NULL,
- &geom,
- GDK_HINT_MIN_SIZE );
- //gtk_window_set_default_size( GTK_WINDOW(top->m_widget), sz.x, sz.y );
-
-
- /* I revert back to wxGTK's original behaviour. m_mainWidget holds the
- * menubar, the toolbar and the client area, which is represented by
- * m_wxwindow.
- * this hurts in the eye, but I don't want to call SetSize()
- * because I don't want to call any non-native functions here. */
-
- top->m_width = sz.x;
- top->m_height = sz.y;
-
- int client_x = top->m_miniEdge;
- int client_y = top->m_miniEdge + top->m_miniTitle;
- int client_w = top->m_width - 2*top->m_miniEdge;
- int client_h = top->m_height - 2*top->m_miniEdge - top->m_miniTitle;
- if (client_w < 0)
- client_w = 0;
- if (client_h < 0)
- client_h = 0;
-
- // Let the parent perform the resize
- gtk_pizza_set_size( GTK_PIZZA(top->m_mainWidget),
- top->m_wxwindow,
- client_x, client_y, client_w, client_h );
-
- gtk_widget_set_size_request( top->m_wxwindow, sz.x, sz.y );
-
+ // 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);
}
}
-#endif
+
if ( p->m_bIgnoreNextChange )
{
// change generated programmatically - do not send an event!
// 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
- // all times the user expands/hide our pane
- 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), wxGTK_CONV(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;
- }
- else
- wxGenericCollapsiblePane::SetLabel(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!
+ // 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 // wxUSE_COLLPANE && defined( __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__)
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