src/gtk/colordlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        gtk/colordlg.cpp
   3 // Purpose:     Native wxColourDialog for GTK+
   4 // Author:      Vaclav Slavik
   5 // Modified by:
   6 // Created:     2004/06/04
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vaclav Slavik, 2004
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_COLOURDLG
  20
  21 #include "wx/colordlg.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/intl.h"
  25 #endif
  26
  27 #include "wx/gtk/private.h"
  28
  29 #if wxUSE_LIBHILDON
  30     #include <hildon-widgets/hildon-color-selector.h>
  31 #endif // wxUSE_LIBHILDON
  32
  33 IMPLEMENT_DYNAMIC_CLASS(wxColourDialog, wxDialog)
  34
  35 wxColourDialog::wxColourDialog(wxWindow *parent, wxColourData *data)
  36 {
  37     Create(parent, data);
  38 }
  39
  40 bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
  41 {
  42     if (data)
  43         m_data = *data;
  44
  45     m_parent = GetParentForModalDialog(parent);
  46     GtkWindow * const parentGTK = m_parent ? GTK_WINDOW(m_parent->m_widget)
  47                                            : NULL;
  48
  49 #if wxUSE_LIBHILDON
  50     m_widget = hildon_color_selector_new(parentGTK);
  51 #else // !wxUSE_LIBHILDON
  52     wxString title(_("Choose colour"));
  53     m_widget = gtk_color_selection_dialog_new(wxGTK_CONV(title));
  54 #endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
  55
  56     if ( parentGTK )
  57     {
  58         gtk_window_set_transient_for(GTK_WINDOW(m_widget), parentGTK);
  59     }
  60
  61     GtkColorSelection *sel =
  62         GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(m_widget)->colorsel);
  63     gtk_color_selection_set_has_palette(sel, true);
  64
  65     return true;
  66 }
  67
  68 int wxColourDialog::ShowModal()
  69 {
  70     ColourDataToDialog();
  71
  72     gint result = gtk_dialog_run(GTK_DIALOG(m_widget));
  73     gtk_widget_hide(m_widget);
  74
  75     switch (result)
  76     {
  77         default:
  78             wxFAIL_MSG(_T("unexpected GtkColorSelectionDialog return code"));
  79             // fall through
  80
  81         case GTK_RESPONSE_CANCEL:
  82         case GTK_RESPONSE_DELETE_EVENT:
  83         case GTK_RESPONSE_CLOSE:
  84             return wxID_CANCEL;
  85
  86         case GTK_RESPONSE_OK:
  87             DialogToColourData();
  88             return wxID_OK;
  89     }
  90 }
  91
  92 void wxColourDialog::ColourDataToDialog()
  93 {
  94     const GdkColor * const
  95         col = m_data.GetColour().Ok() ? m_data.GetColour().GetColor()
  96                                       : NULL;
  97
  98 #if wxUSE_LIBHILDON
  99     HildonColorSelector * const sel = HILDON_COLOR_SELECTOR(m_widget);
 100     hildon_color_selector_set_color(sel, wx_const_cast(GdkColor *, col));
 101 #else // !wxUSE_LIBHILDON
 102     GtkColorSelection *sel =
 103         GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(m_widget)->colorsel);
 104
 105     if ( col )
 106         gtk_color_selection_set_current_color(sel, col);
 107
 108     // setup the palette:
 109
 110     GdkColor colors[16];
 111     gint n_colors = 0;
 112     for (unsigned i = 0; i < 16; i++)
 113     {
 114         wxColour c = m_data.GetCustomColour(i);
 115         if (c.Ok())
 116         {
 117             colors[n_colors] = *c.GetColor();
 118             n_colors++;
 119         }
 120     }
 121
 122     wxGtkString pal(gtk_color_selection_palette_to_string(colors, n_colors));
 123
 124     GtkSettings *settings = gtk_widget_get_settings(GTK_WIDGET(sel));
 125     g_object_set(settings, "gtk-color-palette", pal.c_str(), NULL);
 126 #endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
 127 }
 128
 129 void wxColourDialog::DialogToColourData()
 130 {
 131 #if wxUSE_LIBHILDON
 132     HildonColorSelector * const sel = HILDON_COLOR_SELECTOR(m_widget);
 133     const GdkColor * const clr = hildon_color_selector_get_color(sel);
 134     if ( clr )
 135         m_data.SetColour(*clr);
 136 #else // !wxUSE_LIBHILDON
 137     GtkColorSelection *sel =
 138         GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(m_widget)->colorsel);
 139
 140     GdkColor clr;
 141     gtk_color_selection_get_current_color(sel, &clr);
 142     m_data.SetColour(clr);
 143
 144     // Extract custom palette:
 145
 146     GtkSettings *settings = gtk_widget_get_settings(GTK_WIDGET(sel));
 147     gchar *pal;
 148     g_object_get(settings, "gtk-color-palette", &pal, NULL);
 149
 150     GdkColor *colors;
 151     gint n_colors;
 152     if (gtk_color_selection_palette_from_string(pal, &colors, &n_colors))
 153     {
 154         for (int i = 0; i < wxMin(n_colors, 16); i++)
 155         {
 156             m_data.SetCustomColour(i, wxColour(colors[i]));
 157         }
 158         g_free(colors);
 159     }
 160
 161     g_free(pal);
 162 #endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
 163 }
 164
 165 #endif // wxUSE_COLOURDLG
 166