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
  21
  22 #include "wx/clrpicker.h"
  23
  24 #include <gtk/gtk.h>
  25
  26 // ============================================================================
  27 // implementation
  28 // ============================================================================
  29
  30 //-----------------------------------------------------------------------------
  31 // "color-set"
  32 //-----------------------------------------------------------------------------
  33
  34 extern "C" {
  35 static void gtk_clrbutton_setcolor_callback(GtkColorButton *widget,
  36                                             wxColourButton *p)
  37 {
  38     // update the m_colour member of the wxColourButton
  39     wxASSERT(p);
  40     GdkColor gdkColor;
  41     gtk_color_button_get_color(widget, &gdkColor);
  42     p->SetGdkColor(gdkColor);
  43
  44     // fire the colour-changed event
  45     wxColourPickerEvent event(p, p->GetId(), p->GetColour());
  46     p->HandleWindowEvent(event);
  47 }
  48 }
  49
  50 //-----------------------------------------------------------------------------
  51 // wxColourButton
  52 //-----------------------------------------------------------------------------
  53
  54 IMPLEMENT_DYNAMIC_CLASS(wxColourButton, wxButton)
  55
  56 bool wxColourButton::Create( wxWindow *parent, wxWindowID id,
  57                         const wxColour &col,
  58                         const wxPoint &pos, const wxSize &size,
  59                         long style, const wxValidator& validator,
  60                         const wxString &name )
  61 {
  62     if (!PreCreation( parent, pos, size ) ||
  63         !wxControl::CreateBase(parent, id, pos, size, style, validator, name))
  64     {
  65         wxFAIL_MSG( wxT("wxColourButton creation failed") );
  66         return false;
  67     }
  68
  69     m_colour = col;
  70     m_widget = gtk_color_button_new_with_color( m_colour.GetColor() );
  71     g_object_ref(m_widget);
  72
  73     // GtkColourButton signals
  74     g_signal_connect(m_widget, "color-set",
  75                     G_CALLBACK(gtk_clrbutton_setcolor_callback), this);
  76
  77
  78     m_parent->DoAddChild( this );
  79
  80     PostCreation(size);
  81     SetInitialSize(size);
  82
  83     return true;
  84 }
  85
  86 wxColourButton::~wxColourButton()
  87 {
  88 }
  89
  90 void wxColourButton::UpdateColour()
  91 {
  92     gtk_color_button_set_color(GTK_COLOR_BUTTON(m_widget), m_colour.GetColor());
  93 }
  94
  95 #endif // wxUSE_COLOURPICKERCTRL