src/gtk/clrpicker.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/clrpicker.cpp
   3 // Purpose:     implementation of wxColourButton
   4 // Author:      Francesco Montorsi
   5 // Modified By:
   6 // Created:     15/04/2006
   7 // Id:          $Id$
   8 // Copyright:   (c) Francesco Montorsi
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12
  13 // ----------------------------------------------------------------------------
  14 // headers
  15 // ----------------------------------------------------------------------------
  16
  17 // For compilers that support precompilation, includes "wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #if wxUSE_COLOURPICKERCTRL && defined(__WXGTK24__)
  21
  22 #include "wx/clrpicker.h"
  23
  24 #include "wx/gtk/private.h"
  25
  26 #include <gdk/gdk.h>
  27 #include <gtk/gtk.h>
  28
  29 // ============================================================================
  30 // implementation
  31 // ============================================================================
  32
  33 //-----------------------------------------------------------------------------
  34 // "color-set"
  35 //-----------------------------------------------------------------------------
  36
  37 extern "C" {
  38 static void gtk_clrbutton_setcolor_callback(GtkColorButton *widget,
  39                                             wxColourButton *p)
  40 {
  41     // update the m_colour member of the wxColourButton
  42     wxASSERT(p);
  43     gtk_color_button_get_color(widget, p->GetGdkColor());
  44
  45     // fire the colour-changed event
  46     wxColourPickerEvent event(p, p->GetId(), p->GetColour());
  47     p->GetEventHandler()->ProcessEvent(event);
  48 }
  49 }
  50
  51 //-----------------------------------------------------------------------------
  52 // wxColourButton
  53 //-----------------------------------------------------------------------------
  54
  55 IMPLEMENT_DYNAMIC_CLASS(wxColourButton, wxGenericColourButton)
  56
  57 bool wxColourButton::Create( wxWindow *parent, wxWindowID id,
  58                         const wxColour &col,
  59                         const wxPoint &pos, const wxSize &size,
  60                         long style, const wxValidator& validator,
  61                         const wxString &name )
  62 {
  63     if (!gtk_check_version(2,4,0))
  64     {
  65         m_needParent = true;
  66
  67         if (!PreCreation( parent, pos, size ) ||
  68             !wxControl::CreateBase(parent, id, pos, size, style, validator, name))
  69         {
  70             wxFAIL_MSG( wxT("wxColourButton creation failed") );
  71             return false;
  72         }
  73
  74         m_colour = col;
  75         m_widget = gtk_color_button_new_with_color( m_colour.GetColor() );
  76         gtk_widget_show( GTK_WIDGET(m_widget) );
  77
  78         // GtkColourButton signals
  79         g_signal_connect(m_widget, "color-set",
  80                         G_CALLBACK(gtk_clrbutton_setcolor_callback), this);
  81
  82
  83         m_parent->DoAddChild( this );
  84
  85         PostCreation(size);
  86         SetBestSize(size);
  87     }
  88     else
  89         return wxGenericColourButton::Create(parent, id, col, pos, size,
  90                                              style, validator, name);
  91     return true;
  92 }
  93
  94 wxColourButton::~wxColourButton()
  95 {
  96 }
  97
  98 void wxColourButton::UpdateColour()
  99 {
 100     if (!gtk_check_version(2,4,0))
 101         gtk_color_button_set_color(GTK_COLOR_BUTTON(m_widget), m_colour.GetColor());
 102     else
 103         wxGenericColourButton::UpdateColour();
 104 }
 105
 106 #endif      // wxUSE_COLOURPICKERCTRL && defined(__WXGTK24__)