Enable graphics context by default

[wxWidgets.git] / src / gtk / collpane.cpp

diff --git a/src/gtk/collpane.cpp b/src/gtk/collpane.cpp
index 72e58cf528bf9b3d2056dfe1f40a819173758bb3..dd68dda50558ae6ff9eaad6af8352ee243fb68ab 100644 (file)
--- a/src/gtk/collpane.cpp
+++ b/src/gtk/collpane.cpp
@@ -17,15 +17,23 @@
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // 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/collpane.h"

+#include "wx/toplevel.h"
+#include "wx/sizer.h"
+#include "wx/panel.h"
+

 #include "wx/gtk/private.h"
 #include "wx/gtk/private.h"

-#include "wx/gtk/win_gtk.h"

 
 

-#include <gtk/gtkexpander.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 wxChar wxCollapsiblePaneNameStr[] = wxT("collapsiblePane");
+
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_COLLPANE_CHANGED)

 
 

-const wxChar wxCollapsiblePaneNameStr[] = wxT("CollapsiblePane");
+IMPLEMENT_DYNAMIC_CLASS(wxCollapsiblePaneEvent, wxCommandEvent)

 
 // ============================================================================
 // implementation
 
 // ============================================================================
 // implementation


@@ -37,9 +45,10 @@ const wxChar wxCollapsiblePaneNameStr[] = wxT("CollapsiblePane");
 
 extern "C" {
 
 
 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
 {
     // NB: unlike for the "activate" signal, when this callback is called, if
     //     we try to query the "collapsed" status through p->IsCollapsed(), we


@@ -71,32 +80,30 @@ static void gtk_collapsiblepane_expanded_callback (GObject    *object,
         sz = p->m_szCollapsed;
     }
 
         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:
+    // 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.

     //
     //

-    // ** (collpane:18928): CRITICAL **: clearlooks_style_draw_focus: assertion `height >= -1' failed
-    // ** (collpane:18928): CRITICAL **: clearlooks_style_draw_focus: assertion `height >= -1' failed
-    //
-    // 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);
-
-#else       // flicker-free code
+    // 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!

 
 

-
-    // 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
     p->SetMinSize(sz);
 
     if (p->HasFlag(wxCP_NO_TLW_RESIZE))
     {
     // NB: this function call won't actually do any long operation
     //     (redraw/relayouting/resizing) 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 explicitely handle the resizing itself...
         return;
     }
         // the user asked to explicitely handle the resizing itself...
         return;
     }


@@ -105,61 +112,29 @@ static void gtk_collapsiblepane_expanded_callback (GObject    *object,
         top = wxDynamicCast(wxGetTopLevelParent(p), wxTopLevelWindow);
     if ( top && top->GetSizer() )
     {
         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)
         {
 
         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 resizeable 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!
     if ( p->m_bIgnoreNextChange )
     {
         // change generated programmatically - do not send an event!


@@ -169,28 +144,27 @@ static void gtk_collapsiblepane_expanded_callback (GObject    *object,
 
     // fire an event
     wxCollapsiblePaneEvent ev(p, p->GetId(), p->IsCollapsed());
 
     // 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!).
     // 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
 //-----------------------------------------------------------------------------
 
 }
 
 //-----------------------------------------------------------------------------
 // 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()
 
     EVT_SIZE(wxCollapsiblePane::OnSize)
 END_EVENT_TABLE()
 


@@ -203,12 +177,6 @@ bool wxCollapsiblePane::Create(wxWindow *parent,
                                const wxValidator& val,
                                const wxString& name)
 {
                                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_bIgnoreNextChange = false;
 
     if ( !PreCreation( parent, pos, size ) ||


@@ -220,6 +188,7 @@ bool wxCollapsiblePane::Create(wxWindow *parent,
 
     m_widget =
         gtk_expander_new_with_mnemonic(wxGTK_CONV(GTKConvertMnemonics(label)));
 
     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
 
     // see the gtk_collapsiblepane_expanded_callback comments to understand why
     // we connect to the "notify::expanded" signal instead of the more common


@@ -227,15 +196,11 @@ bool wxCollapsiblePane::Create(wxWindow *parent,
     g_signal_connect(m_widget, "notify::expanded",
                      G_CALLBACK(gtk_collapsiblepane_expanded_callback), this);
 
     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"
     // 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);

 
 

-    gtk_widget_show( GTK_WIDGET(m_widget) );
+    gtk_widget_show(m_widget);

     m_parent->DoAddChild( this );
 
     PostCreation(size);
     m_parent->DoAddChild( this );
 
     PostCreation(size);


@@ -248,60 +213,42 @@ bool wxCollapsiblePane::Create(wxWindow *parent,
 
 wxSize wxCollapsiblePane::DoGetBestSize() const
 {
 
 wxSize wxCollapsiblePane::DoGetBestSize() const
 {

-    if (!gtk_check_version(2,4,0))
-    {
-        wxASSERT_MSG( m_widget, wxT("DoGetBestSize called before creation") );
+    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 );
+    GtkRequisition req;
+    req.width = 2;
+    req.height = 2;
+    (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
+            (m_widget, &req );

 
 

-        // 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);
-    }
-
-    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)
 {
 }
 
 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
 {
 }
 
 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)
 {
 }
 
 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(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)
 }
 
 void wxCollapsiblePane::OnSize(wxSizeEvent &ev)


@@ -324,5 +271,5 @@ void wxCollapsiblePane::OnSize(wxSizeEvent &ev)
     m_pPane->Layout();
 }
 
     m_pPane->Layout();
 }
 

-#endif //  wxUSE_COLLPANE && defined( __WXGTK24__ )
+#endif // wxUSE_COLLPANE && !defined(__WXUNIVERSAL__)