switching to preemptive implementation (from mpthread.cpp)

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

diff --git a/src/gtk/control.cpp b/src/gtk/control.cpp
index 959092087b2c1bc732a1eb0622be9c842f926afb..dfbfe4b9c0eba7cf531840269c3c511f5c72f6eb 100644 (file)
--- a/src/gtk/control.cpp
+++ b/src/gtk/control.cpp
@@ -7,11 +7,20 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma implementation "control.h"
 #endif
 
 #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/control.h"

+#include "wx/fontutil.h"
+#include "wx/settings.h"

 
 #include <gtk/gtk.h>
 
 
 #include <gtk/gtk.h>
 


@@ -26,30 +35,23 @@ wxControl::wxControl()
     m_needParent = TRUE;
 }
 
     m_needParent = TRUE;
 }
 

-wxControl::wxControl( wxWindow *parent,
+bool wxControl::Create( wxWindow *parent,

                       wxWindowID id,
                       const wxPoint &pos,
                       const wxSize &size,
                       long style,
                       wxWindowID id,
                       const wxPoint &pos,
                       const wxSize &size,
                       long style,

+                      const wxValidator& validator,

                       const wxString &name )
 {
                       const wxString &name )
 {

-    (void)Create(parent, id, pos, size, style, name);
-}
-
+    bool ret = wxWindow::Create(parent, id, pos, size, style, name);
+    

 #if wxUSE_VALIDATORS
 #if wxUSE_VALIDATORS

-wxControl::wxControl( wxWindow *parent,
-                      wxWindowID id,
-                      const wxPoint &pos,
-                      const wxSize &size,
-                      long style,
-                      const wxValidator& validator,
-                      const wxString &name)
-{
-    (void)Create(parent, id, pos, size, style, name);

     SetValidator(validator);
     SetValidator(validator);

-}

 #endif
 
 #endif
 

+    return ret;
+}
+

 void wxControl::SetLabel( const wxString &label )
 {
     m_label.Empty();
 void wxControl::SetLabel( const wxString &label )
 {
     m_label.Empty();


@@ -78,9 +80,185 @@ wxSize wxControl::DoGetBestSize() const
     wxASSERT_MSG( m_widget, wxT("DoGetBestSize called before creation") );
 
     GtkRequisition req;
     wxASSERT_MSG( m_widget, wxT("DoGetBestSize called before creation") );
 
     GtkRequisition req;

-    (* GTK_WIDGET_CLASS( GTK_OBJECT(m_widget)->klass )->size_request )
+    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);
 }
 
         (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
+