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 // Copyright:   (c) Francesco Montorsi
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11
  12 // ----------------------------------------------------------------------------
  13 // headers
  14 // ----------------------------------------------------------------------------
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #if wxUSE_COLOURPICKERCTRL
  20
  21 #include "wx/clrpicker.h"
  22
  23 #include <gtk/gtk.h>
  24
  25 // ============================================================================
  26 // implementation
  27 // ============================================================================
  28
  29 //-----------------------------------------------------------------------------
  30 // "color-set"
  31 //-----------------------------------------------------------------------------
  32
  33 extern "C" {
  34 static void gtk_clrbutton_setcolor_callback(GtkColorButton *widget,
  35                                             wxColourButton *p)
  36 {
  37     // update the m_colour member of the wxColourButton
  38     wxASSERT(p);
  39 #ifdef __WXGTK3__
  40     GdkRGBA gdkColor;
  41     gtk_color_button_get_rgba(widget, &gdkColor);
  42 #else
  43     GdkColor gdkColor;
  44     gtk_color_button_get_color(widget, &gdkColor);
  45 #endif
  46     p->GTKSetColour(gdkColor);
  47
  48     // fire the colour-changed event
  49     wxColourPickerEvent event(p, p->GetId(), p->GetColour());
  50     p->HandleWindowEvent(event);
  51 }
  52 }
  53
  54 //-----------------------------------------------------------------------------
  55 // wxColourButton
  56 //-----------------------------------------------------------------------------
  57
  58 IMPLEMENT_DYNAMIC_CLASS(wxColourButton, wxButton)
  59
  60 bool wxColourButton::Create( wxWindow *parent, wxWindowID id,
  61                         const wxColour &col,
  62                         const wxPoint &pos, const wxSize &size,
  63                         long style, const wxValidator& validator,
  64                         const wxString &name )
  65 {
  66     if (!PreCreation( parent, pos, size ) ||
  67         !wxControl::CreateBase(parent, id, pos, size, style, validator, name))
  68     {
  69         wxFAIL_MSG( wxT("wxColourButton creation failed") );
  70         return false;
  71     }
  72
  73     m_colour = col;
  74 #ifdef __WXGTK3__
  75     m_widget = gtk_color_button_new_with_rgba(m_colour);
  76 #else
  77     m_widget = gtk_color_button_new_with_color( m_colour.GetColor() );
  78 #endif
  79     g_object_ref(m_widget);
  80
  81     // GtkColourButton signals
  82     g_signal_connect(m_widget, "color-set",
  83                     G_CALLBACK(gtk_clrbutton_setcolor_callback), this);
  84
  85
  86     m_parent->DoAddChild( this );
  87
  88     PostCreation(size);
  89     SetInitialSize(size);
  90
  91     return true;
  92 }
  93
  94 wxColourButton::~wxColourButton()
  95 {
  96 }
  97
  98 void wxColourButton::UpdateColour()
  99 {
 100 #ifdef __WXGTK3__
 101     gtk_color_button_set_rgba(GTK_COLOR_BUTTON(m_widget), m_colour);
 102 #else
 103     gtk_color_button_set_color(GTK_COLOR_BUTTON(m_widget), m_colour.GetColor());
 104 #endif
 105 }
 106
 107 #endif // wxUSE_COLOURPICKERCTRL