]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk1/control.cpp
Fix memory leak by letting the base class version handle the
[wxWidgets.git] / src / gtk1 / control.cpp
index 12cc6a70df5651805ab84a1d7797f631f15b4d81..7f5b15bf08ccc30754cd3519b4fef327299915a3 100644 (file)
@@ -4,36 +4,52 @@
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Vadim Zeitlin
-// Licence:     wxWindows licence
+// Licence:     wxWidgets licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "control.h"
 #endif
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#include "wx/defs.h"
+
+#if wxUSE_CONTROLS
+
 #include "wx/control.h"
+#include "wx/fontutil.h"
+#include "wx/settings.h"
 
-#include "gtk/gtkfeatures.h"
+#include <gtk/gtk.h>
 
 //-----------------------------------------------------------------------------
 // wxControl
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxControl,wxWindow)
+IMPLEMENT_DYNAMIC_CLASS(wxControl, wxWindow)
 
 wxControl::wxControl()
 {
     m_needParent = TRUE;
 }
 
-wxControl::wxControl( wxWindow *parent,
+bool wxControl::Create( wxWindow *parent,
                       wxWindowID id,
                       const wxPoint &pos,
                       const wxSize &size,
                       long style,
+                      const wxValidator& validator,
                       const wxString &name )
-         : wxWindow( parent, id, pos, size, style, name )
 {
+    bool ret = wxWindow::Create(parent, id, pos, size, style, name);
+    
+#if wxUSE_VALIDATORS
+    SetValidator(validator);
+#endif
+
+    return ret;
 }
 
 void wxControl::SetLabel( const wxString &label )
@@ -52,9 +68,197 @@ void wxControl::SetLabel( const wxString &label )
     }
 }
 
-wxString wxControl::GetLabel(void) const
+wxString wxControl::GetLabel() const
 {
     return m_label;
 }
 
 
+wxSize wxControl::DoGetBestSize() const
+{
+    // Do not return any arbitrary default value...
+    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 );
+
+    return wxSize(req.width, req.height);
+}
+
+
+void wxControl::PostCreation(const wxSize& size)
+{
+    wxWindow::PostCreation();
+    InheritAttributes();
+    ApplyWidgetStyle();
+    SetInitialBestSize(size);
+}
+
+
+#ifdef __WXGTK20__
+wxString wxControl::PrepareLabelMnemonics( const wxString &label ) const
+{
+    //Format mnemonics properly for GTK2. This can be called from GTK1.x, but
+    //it's not very useful because mnemonics don't exist prior to GTK2.
+    wxString label2;
+    for (size_t i = 0; i < label.Len(); i++)
+    {
+        if (label.GetChar(i) == wxT('&'))
+        {
+            //Mnemonic escape sequence "&&" is a literal "&" in the output.
+            if (label.GetChar(i + 1) == wxT('&'))
+            {
+                label2 << wxT('&');
+                i++;
+            }
+            //Handle special case of "&_" (i.e. "_" is the mnemonic).
+            //FIXME - Is it possible to use "_" as a GTK mnemonic? Just use a
+            //dash for now.
+            else if (label.GetChar(i + 1) == wxT('_'))
+            {
+                label2 << wxT("_-");
+                i++;
+            }
+            //Replace WX mnemonic indicator "&" with GTK indicator "_".
+            else
+            {
+                label2 << wxT('_');
+            }
+        }
+        else if (label.GetChar(i) == wxT('_'))
+        {
+            //Escape any underlines in the string so GTK doesn't use them.
+            label2 << wxT("__");
+        }
+        else
+        {
+            label2 << label.GetChar(i);
+        }
+    }
+    return label2;
+}
+#endif
+
+
+wxVisualAttributes wxControl::GetDefaultAttributes() const
+{
+    return GetDefaultAttributesFromGTKWidget(m_widget,
+                                             UseGTKStyleBase());
+}
+
+
+#define SHIFT (8*(sizeof(short int)-sizeof(char)))
+
+// static
+wxVisualAttributes
+wxControl::GetDefaultAttributesFromGTKWidget(GtkWidget* widget,
+                                             bool useBase,
+                                             int state)
+{
+    GtkStyle* style;
+    wxVisualAttributes attr;
+
+    style = gtk_rc_get_style(widget);
+    if (!style)
+        style = gtk_widget_get_default_style();
+
+    if (!style)
+    {
+        return wxWindow::GetClassDefaultAttributes(wxWINDOW_VARIANT_NORMAL);
+    }
+
+    if (state == -1)
+        state = GTK_STATE_NORMAL;
+        
+    // get the style's colours
+    attr.colFg = wxColour(style->fg[state].red   >> SHIFT,
+                          style->fg[state].green >> SHIFT,
+                          style->fg[state].blue  >> SHIFT);
+    if (useBase)
+        attr.colBg = wxColour(style->base[state].red   >> SHIFT,
+                              style->base[state].green >> SHIFT,
+                              style->base[state].blue  >> SHIFT);
+    else
+        attr.colBg = wxColour(style->bg[state].red   >> SHIFT,
+                              style->bg[state].green >> SHIFT,
+                              style->bg[state].blue  >> SHIFT);
+
+    // get the style's font
+#ifdef __WXGTK20__
+    if ( !style->font_desc )
+        style = gtk_widget_get_default_style();  
+    if ( style && style->font_desc )
+    {  
+        wxNativeFontInfo info;  
+        info.description = style->font_desc;  
+        attr.font = wxFont(info);  
+    }  
+    else  
+    {  
+        GtkSettings *settings = gtk_settings_get_default();
+        gchar *font_name = NULL;
+        g_object_get ( settings,
+                       "gtk-font-name", 
+                       &font_name,
+                       NULL);
+        if (!font_name)
+            attr.font = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT );
+        else
+            attr.font = wxFont(wxString::FromAscii(font_name));
+        g_free (font_name);
+    }  
+#else
+    // TODO: isn't there a way to get a standard gtk 1.2 font?
+    attr.font = wxFont( 12, wxSWISS, wxNORMAL, wxNORMAL );
+#endif
+    
+    return attr;
+}
+
+
+//static
+wxVisualAttributes
+wxControl::GetDefaultAttributesFromGTKWidget(GtkWidget* (*widget_new)(void),
+                                             bool useBase,
+                                             int state)
+{
+    wxVisualAttributes attr;
+    GtkWidget* widget = widget_new();
+    attr = GetDefaultAttributesFromGTKWidget(widget, useBase, state);
+    gtk_widget_destroy(widget);
+    return attr;
+}
+
+//static
+wxVisualAttributes
+wxControl::GetDefaultAttributesFromGTKWidget(GtkWidget* (*widget_new)(const gchar*),
+                                             bool useBase,
+                                             int state)
+{
+    wxVisualAttributes attr;
+    GtkWidget* widget = widget_new("");
+    attr = GetDefaultAttributesFromGTKWidget(widget, useBase, state);
+    gtk_widget_destroy(widget);
+    return attr;
+}
+
+
+//static
+wxVisualAttributes
+wxControl::GetDefaultAttributesFromGTKWidget(GtkWidget* (*widget_new)(GtkAdjustment*),
+                                             bool useBase,
+                                             int state)
+{
+    wxVisualAttributes attr;
+    GtkWidget* widget = widget_new(NULL);
+    attr = GetDefaultAttributesFromGTKWidget(widget, useBase, state);
+    gtk_widget_destroy(widget);
+    return attr;
+}
+
+
+#endif // wxUSE_CONTROLS
+