reduce black background flicker a bit - there is still some left sometimes initially...

[wxWidgets.git] / src / gtk1 / button.cpp

diff --git a/src/gtk1/button.cpp b/src/gtk1/button.cpp
index d64273b78006e960f02070aa9024b0b13a1ada40..435358d25ffb4da2b54cc1402e327246d47c3726 100644 (file)
--- a/src/gtk1/button.cpp
+++ b/src/gtk1/button.cpp
@@ -19,6 +19,7 @@
 #if wxUSE_BUTTON
 
 #include "wx/button.h"
+#include "wx/stockitem.h"
 
 #include "wx/gtk/private.h"
 
@@ -126,10 +127,15 @@ bool wxButton::Create(  wxWindow *parent, wxWindowID id, const wxString &label,
     else if (HasFlag(wxBU_BOTTOM))
         y_alignment = 1.0;
 
-    gtk_misc_set_alignment (GTK_MISC (BUTTON_CHILD (m_widget)),
-                            x_alignment, y_alignment);
+#if GTK_CHECK_VERSION(2,4,0)
+    gtk_button_set_alignment(GTK_BUTTON(m_widget), x_alignment, y_alignment);
+#else
+    if (GTK_IS_MISC(BUTTON_CHILD(m_widget)))
+        gtk_misc_set_alignment (GTK_MISC (BUTTON_CHILD (m_widget)),
+                                x_alignment, y_alignment);
+#endif
 
-    SetLabel( label );
+    SetLabel(label);
 
     if (style & wxNO_BORDER)
        gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE );
@@ -141,8 +147,9 @@ bool wxButton::Create(  wxWindow *parent, wxWindowID id, const wxString &label,
 
     PostCreation(size);
 
-    return TRUE;
+    return true;
 }
+    
 
 void wxButton::SetDefault()
 {
@@ -158,22 +165,72 @@ void wxButton::SetDefault()
 }
 
 /* static */
-wxSize wxButton::GetDefaultSize()
+wxSize wxButtonBase::GetDefaultSize()
 {
+#ifdef __WXGTK20__
+    static wxSize size = wxDefaultSize;
+    if (size == wxDefaultSize)
+    {
+        // NB: Default size of buttons should be same as size of stock
+        //     buttons as used in most GTK+ apps. Unfortunately it's a little
+        //     tricky to obtain this size: stock button's size may be smaller
+        //     than size of button in GtkButtonBox and vice versa,
+        //     GtkButtonBox's minimal button size may be smaller than stock
+        //     button's size. We have to retrieve both values and combine them.
+
+        GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+        GtkWidget *box = gtk_hbutton_box_new();
+        GtkWidget *btn = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
+        gtk_container_add(GTK_CONTAINER(box), btn);
+        gtk_container_add(GTK_CONTAINER(wnd), box);
+        GtkRequisition req;
+        gtk_widget_size_request(btn, &req);
+
+        gint minwidth, minheight;
+        gtk_widget_style_get(box,
+                             "child-min-width", &minwidth,
+                             "child-min-height", &minheight,
+                             NULL);
+
+        size.x = wxMax(minwidth, req.width);
+        size.y = wxMax(minheight, req.height);
+        
+        gtk_widget_destroy(wnd);
+    }
+    return size;
+#else
     return wxSize(80,26);
+#endif
 }
 
-void wxButton::SetLabel( const wxString &label )
+void wxButton::SetLabel( const wxString &lbl )
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid button") );
 
-    wxControl::SetLabel( label );
+    wxString label(lbl);
+
+    if (label.empty() && wxIsStockID(m_windowId))
+        label = wxGetStockLabel(m_windowId);
+
+    wxControl::SetLabel(label);
 
 #ifdef __WXGTK20__
-    wxString label2 = PrepareLabelMnemonics( label );
-    gtk_button_set_label( GTK_BUTTON(m_widget), wxGTK_CONV(label2) );
+    if (wxIsStockID(m_windowId) && wxIsStockLabel(m_windowId, label))
+    {
+        const char *stock = wxGetStockGtkID(m_windowId);
+        if (stock)
+        {
+            gtk_button_set_label(GTK_BUTTON(m_widget), stock);
+            gtk_button_set_use_stock(GTK_BUTTON(m_widget), TRUE);
+            return;
+        }
+    }
+
+    wxString label2 = PrepareLabelMnemonics(label);
+    gtk_button_set_label(GTK_BUTTON(m_widget), wxGTK_CONV(label2));
+    gtk_button_set_use_stock(GTK_BUTTON(m_widget), FALSE);
 #else
-    gtk_label_set( GTK_LABEL( BUTTON_CHILD(m_widget) ), wxGTK_CONV( GetLabel() ) );
+    gtk_label_set(GTK_LABEL(BUTTON_CHILD(m_widget)), wxGTK_CONV(GetLabel()));
 #endif
 }
 
@@ -229,9 +286,12 @@ wxSize wxButton::DoGetBestSize() const
     
     if (!HasFlag(wxBU_EXACTFIT))
     {
-        if (ret.x < 80) ret.x = 80;
+        wxSize defaultSize = GetDefaultSize();
+        if (ret.x < defaultSize.x) ret.x = defaultSize.x;
+        if (ret.y < defaultSize.y) ret.y = defaultSize.y;
     }
 
+    CacheBestSize(ret);
     return ret;
 }