don't require multimon.h any more now (patch 1446030); enable wxUSE_DISPLAY by default

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

diff --git a/src/gtk/colour.cpp b/src/gtk/colour.cpp
index 4ce15385f763b66c2a5bccd84f6bd8d8219a95fa..ff7c526c4539f3ece48e7356a1dc32ab40d2f601 100644 (file)
--- a/src/gtk/colour.cpp
+++ b/src/gtk/colour.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        colour.cpp
+// Name:        src/gtk/colour.cpp

 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$


@@ -7,16 +7,13 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"

 
 

-#ifdef __GNUG__
-#pragma implementation "colour.h"
-#endif
-
-#include "wx/gdicmn.h"
+#include "wx/colour.h"
+#include "wx/gtk/private.h"

 
 #include <gdk/gdk.h>
 
 #include <gdk/gdk.h>

-#include <gdk/gdkx.h>
-#include <gdk/gdkprivate.h>

 
 //-----------------------------------------------------------------------------
 // wxColour
 
 //-----------------------------------------------------------------------------
 // wxColour


@@ -25,149 +22,150 @@
 class wxColourRefData: public wxObjectRefData
 {
 public:
 class wxColourRefData: public wxObjectRefData
 {
 public:

-    wxColourRefData();
-    ~wxColourRefData();
+    wxColourRefData()
+    {
+        m_color.red = 0;
+        m_color.green = 0;
+        m_color.blue = 0;
+        m_color.pixel = 0;
+        m_colormap = NULL;
+        m_hasPixel = false;
+    }
+
+    wxColourRefData(const wxColourRefData& data)
+        : wxObjectRefData()
+    {
+        m_color = data.m_color;
+        m_colormap = data.m_colormap;
+        m_hasPixel = data.m_hasPixel;
+    }
+
+    ~wxColourRefData()
+    {
+        FreeColour();
+    }

 
     void FreeColour();
 
     void FreeColour();

+    void AllocColour( GdkColormap* cmap );

 
 

-public:

     GdkColor     m_color;
     GdkColormap *m_colormap;
     bool         m_hasPixel;
     GdkColor     m_color;
     GdkColormap *m_colormap;
     bool         m_hasPixel;

-
-    friend class wxColour;

 };
 
 };
 

-wxColourRefData::wxColourRefData()
+void wxColourRefData::FreeColour()

 {
 {

-    m_color.red = 0;
-    m_color.green = 0;
-    m_color.blue = 0;
-    m_color.pixel = 0;
-    m_colormap = (GdkColormap *) NULL;
-    m_hasPixel = FALSE;
+    if (m_hasPixel)
+    {
+        gdk_colormap_free_colors(m_colormap, &m_color, 1);
+    }

 }
 
 }
 

-wxColourRefData::~wxColourRefData()
+void wxColourRefData::AllocColour( GdkColormap *cmap )

 {
 {

+    if (m_hasPixel && (m_colormap == cmap))
+        return;
+

     FreeColour();
     FreeColour();

-}

 
 

-void wxColourRefData::FreeColour()
-{
-    if (m_colormap)
-    {
-#ifdef __WXGTK20__
-        if ((m_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
-            (m_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
-#else
-        GdkColormapPrivate *private_colormap = (GdkColormapPrivate*) m_colormap;
-        if ((private_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
-            (private_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
-#endif
-        {
-            // What happens if the colour has not been allocated
-            // anew but has been found? RR.
-            gdk_colormap_free_colors( m_colormap, &m_color, 1 );
-        }
-    }
+    m_hasPixel = gdk_colormap_alloc_color(cmap, &m_color, FALSE, TRUE);
+    m_colormap = cmap;

 }
 
 //-----------------------------------------------------------------------------
 
 }
 
 //-----------------------------------------------------------------------------
 

-#define M_COLDATA ((wxColourRefData *)m_refData)
+#define M_COLDATA wx_static_cast(wxColourRefData*, m_refData)

 
 

-#define SHIFT (8*(sizeof(short int)-sizeof(char)))
+// GDK's values are in 0..65535 range, our are in 0..255
+#define SHIFT  8

 
 IMPLEMENT_DYNAMIC_CLASS(wxColour,wxGDIObject)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxColour,wxGDIObject)
 

-wxColour::wxColour()
-{
-}
-

 wxColour::wxColour( unsigned char red, unsigned char green, unsigned char blue )
 {
 wxColour::wxColour( unsigned char red, unsigned char green, unsigned char blue )
 {

-    m_refData = new wxColourRefData();
+    m_refData = new wxColourRefData;

     M_COLDATA->m_color.red = ((unsigned short)red) << SHIFT;
     M_COLDATA->m_color.green = ((unsigned short)green) << SHIFT;
     M_COLDATA->m_color.blue = ((unsigned short)blue) << SHIFT;
     M_COLDATA->m_color.pixel = 0;
 }
 
     M_COLDATA->m_color.red = ((unsigned short)red) << SHIFT;
     M_COLDATA->m_color.green = ((unsigned short)green) << SHIFT;
     M_COLDATA->m_color.blue = ((unsigned short)blue) << SHIFT;
     M_COLDATA->m_color.pixel = 0;
 }
 

+/* static */
+wxColour wxColour::CreateByName(const wxString& name)
+{
+    wxColour col;
+
+    GdkColor colGDK;
+    if ( gdk_color_parse( wxGTK_CONV( name ), &colGDK ) )
+    {
+        wxColourRefData *refData = new wxColourRefData;
+        refData->m_color = colGDK;
+        col.m_refData = refData;
+    }
+
+    return col;
+}
+
+

 void wxColour::InitFromName( const wxString &colourName )
 {
 void wxColour::InitFromName( const wxString &colourName )
 {

-    wxNode *node = (wxNode *) NULL;
-    if ( (wxTheColourDatabase) && (node = wxTheColourDatabase->Find(colourName)) )
+    // check the cache first
+    if ( wxTheColourDatabase )

     {
     {

-        wxColour *col = (wxColour*)node->Data();
-        UnRef();
-        if (col) Ref( *col );
+        *this = wxTheColourDatabase->Find(colourName);

     }
     }

-    else
+
+    if ( !Ok() )

     {
     {

-        m_refData = new wxColourRefData();
-        if (!gdk_color_parse( colourName.mb_str(), &M_COLDATA->m_color ))
-        {
-            // VZ: asserts are good in general but this one is triggered by
-            //     calling wxColourDatabase::FindColour() with an
-            //     unrecognized colour name and this can't be avoided from the
-            //     user code, so don't give it here
-            //
-            //     a better solution would be to changed code in FindColour()
-
-            //wxFAIL_MSG( wxT("wxColour: couldn't find colour") );
-
-            delete m_refData;
-            m_refData = (wxObjectRefData *) NULL;
-        }
+        *this = CreateByName(colourName);

     }
     }

-}

 
 

-wxColour::wxColour( const wxColour& col )
-{
-    Ref( col );
+    if ( !Ok() )
+    {
+        wxFAIL_MSG( wxT("wxColour: couldn't find colour") );
+    }

 }
 
 wxColour::~wxColour()
 {
 }
 
 }
 
 wxColour::~wxColour()
 {
 }
 

-wxColour& wxColour::operator = ( const wxColour& col )
-{
-    if (*this == col) return (*this);
-    Ref( col );
-    return *this;
-}
-

 bool wxColour::operator == ( const wxColour& col ) const
 {
 bool wxColour::operator == ( const wxColour& col ) const
 {

-    if (m_refData == col.m_refData) return TRUE;
+    if (m_refData == col.m_refData)
+        return true;

 
 

-    if (!m_refData) return FALSE;
-    if (!col.m_refData) return FALSE;
+    if (!m_refData || !col.m_refData)
+        return false;

 
 

-    GdkColor *own = &(((wxColourRefData*)m_refData)->m_color);
-    GdkColor *other = &(((wxColourRefData*)col.m_refData)->m_color);
-    if (own->red != other->red) return FALSE;
-    if (own->blue != other->blue) return FALSE;
-    if (own->green != other->green) return FALSE;
+    const GdkColor& own = M_COLDATA->m_color;
+    const GdkColor& other = wx_static_cast(wxColourRefData*, col.m_refData)->m_color;
+    return own.red == other.red &&
+           own.blue == other.blue &&
+           own.green == other.green;
+}

 
 

-    return TRUE;
+wxObjectRefData *wxColour::CreateRefData() const
+{
+    return new wxColourRefData;

 }
 
 }
 

-bool wxColour::operator != ( const wxColour& col) const
+wxObjectRefData *wxColour::CloneRefData(const wxObjectRefData *data) const

 {
 {

-    return !(*this == col);
+    return new wxColourRefData(*(wxColourRefData *)data);

 }
 
 void wxColour::Set( unsigned char red, unsigned char green, unsigned char blue )
 {
 }
 
 void wxColour::Set( unsigned char red, unsigned char green, unsigned char blue )
 {

-    UnRef();
-    m_refData = new wxColourRefData();
+    AllocExclusive();
+

     M_COLDATA->m_color.red = ((unsigned short)red) << SHIFT;
     M_COLDATA->m_color.green = ((unsigned short)green) << SHIFT;
     M_COLDATA->m_color.blue = ((unsigned short)blue) << SHIFT;
     M_COLDATA->m_color.pixel = 0;
     M_COLDATA->m_color.red = ((unsigned short)red) << SHIFT;
     M_COLDATA->m_color.green = ((unsigned short)green) << SHIFT;
     M_COLDATA->m_color.blue = ((unsigned short)blue) << SHIFT;
     M_COLDATA->m_color.pixel = 0;

+
+    M_COLDATA->m_colormap = NULL;
+    M_COLDATA->m_hasPixel = false;

 }
 
 unsigned char wxColour::Red() const
 }
 
 unsigned char wxColour::Red() const


@@ -191,36 +189,11 @@ unsigned char wxColour::Blue() const
     return (unsigned char)(M_COLDATA->m_color.blue >> SHIFT);
 }
 
     return (unsigned char)(M_COLDATA->m_color.blue >> SHIFT);
 }
 

-bool wxColour::Ok() const
-{
-    return (m_refData != NULL);
-}
-

 void wxColour::CalcPixel( GdkColormap *cmap )
 {
     if (!Ok()) return;
 
 void wxColour::CalcPixel( GdkColormap *cmap )
 {
     if (!Ok()) return;
 

-    if ((M_COLDATA->m_hasPixel) && (M_COLDATA->m_colormap == cmap)) return;
-
-    M_COLDATA->FreeColour();
-
-#ifdef __WXGTK20__
-    if ((cmap->visual->type == GDK_VISUAL_GRAYSCALE) ||
-        (cmap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
-#else
-    GdkColormapPrivate *private_colormap = (GdkColormapPrivate*) cmap;
-    if ((private_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
-        (private_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
-#endif
-    {
-        M_COLDATA->m_hasPixel = gdk_colormap_alloc_color( cmap, &M_COLDATA->m_color, FALSE, TRUE );
-    }
-    else
-    {
-        M_COLDATA->m_hasPixel = gdk_color_alloc( cmap, &M_COLDATA->m_color );
-    }
-
-    M_COLDATA->m_colormap = cmap;
+    M_COLDATA->AllocColour( cmap );

 }
 
 int wxColour::GetPixel() const
 }
 
 int wxColour::GetPixel() const


@@ -232,9 +205,7 @@ int wxColour::GetPixel() const
 
 GdkColor *wxColour::GetColor() const
 {
 
 GdkColor *wxColour::GetColor() const
 {

-    wxCHECK_MSG( Ok(), (GdkColor *) NULL, wxT("invalid colour") );
+    wxCHECK_MSG( Ok(), NULL, wxT("invalid colour") );

 
     return &M_COLDATA->m_color;
 }
 
     return &M_COLDATA->m_color;
 }

-
-