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wxDefaultSize.* and wxDefaultPosition.* to wxDefaultCoord.
[wxWidgets.git] / src / gtk / control.cpp
diff --git a/src/gtk/control.cpp b/src/gtk/control.cpp
index 7979f34d5c503c7db4d18d419160d23a8d4e008d..5adb0823c6ce5e15253bf8314300bfa37ebddc26 100644 (file)
--- a/src/gtk/control.cpp
+++ b/src/gtk/control.cpp
@@ -2,60 +2,273 @@
 // Name:        control.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Name:        control.cpp
 // Purpose:
 // Author:      Robert Roebling
-// Created:     01/02/97
-// Id:
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Id:          $Id$
+// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Vadim Zeitlin
 // 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>
 
 //-----------------------------------------------------------------------------
 // wxControl
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 // wxControl
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxControl,wxWindow)
+IMPLEMENT_DYNAMIC_CLASS(wxControl, wxWindow)
 
 
-wxControl::wxControl(void)
+wxControl::wxControl()
 {
 {
-  m_needParent = TRUE;
-};
+    m_needParent = TRUE;
+}
 
 
-wxControl::wxControl( wxWindow *parent, wxWindowID id,
-      const wxPoint &pos, const wxSize &size,
-      long style, const wxString &name ) :
-  wxWindow( parent, id, pos, size, style, name )
+bool wxControl::Create( wxWindow *parent,
+                      wxWindowID id,
+                      const wxPoint &pos,
+                      const wxSize &size,
+                      long style,
+                      const wxValidator& validator,
+                      const wxString &name )
 {
 {
-};
+    bool ret = wxWindow::Create(parent, id, pos, size, style, name);
+    
+#if wxUSE_VALIDATORS
+    SetValidator(validator);
+#endif
 
 
-void wxControl::Command( wxCommandEvent &WXUNUSED(event) )
-{
-};
+    return ret;
+}
 
 void wxControl::SetLabel( const wxString &label )
 {
 
 void wxControl::SetLabel( const wxString &label )
 {
-  m_label = "";
-  for ( const char *pc = label; *pc != '\0'; pc++ ) {
-    if ( *pc == '&' ) {
-      pc++; // skip it
+    m_label.Empty();
+    for ( const wxChar *pc = label; *pc != wxT('\0'); pc++ )
+    {
+        if ( *pc == wxT('&') )
+        {
+            pc++; // skip it
 #if 0 // it would be unused anyhow for now - kbd interface not done yet
 #if 0 // it would be unused anyhow for now - kbd interface not done yet
-      if ( *pc != '&' )
-        m_chAccel = *pc;
+            if ( *pc != wxT('&') ) m_chAccel = *pc;
 #endif
 #endif
+        }
+        m_label << *pc;
     }
     }
+    InvalidateBestSize();    
+}
+
+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 );
+
+    wxSize best(req.width, req.height);
+    CacheBestSize(best);
+    return best;
+}
+
+
+void wxControl::PostCreation(const wxSize& size)
+{
+    wxWindow::PostCreation();
+
+    // NB: GetBestSize needs to know the style, otherwise it will assume
+    //     default font and if the user uses a different font, determined
+    //     best size will be different (typically, smaller) than the desired
+    //     size. This call ensure that a style is available at the time
+    //     GetBestSize is called.
+    gtk_widget_ensure_style(m_widget);
+    
+    InheritAttributes();
+    ApplyWidgetStyle();
+    SetInitialBestSize(size);
+}
 
 
-    m_label << *pc;
-  }
-};
 
 
-wxString wxControl::GetLabel(void) const
+#ifdef __WXGTK20__
+wxString wxControl::PrepareLabelMnemonics( const wxString &label ) const
 {
 {
-  return m_label;
-};
+    //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 = pango_font_description_copy(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
 
 
wxWidgets (Impactor)