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 #if wxUSE_LIBHILDON2
  34 extern "C" {
  35     #include <hildon/hildon.h>
  36 }
  37 #endif // wxUSE_LIBHILDON2
  38
  39 IMPLEMENT_DYNAMIC_CLASS(wxColourDialog, wxDialog)
  40
  41 wxColourDialog::wxColourDialog(wxWindow *parent, wxColourData *data)
  42 {
  43     Create(parent, data);
  44 }
  45
  46 bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
  47 {
  48     if (data)
  49         m_data = *data;
  50
  51     m_parent = GetParentForModalDialog(parent, 0);
  52     GtkWindow * const parentGTK = m_parent ? GTK_WINDOW(m_parent->m_widget)
  53                                            : NULL;
  54
  55 #if wxUSE_LIBHILDON
  56     m_widget = hildon_color_selector_new(parentGTK);
  57 #elif wxUSE_LIBHILDON2 // !wxUSE_LIBHILDON
  58     m_widget = hildon_color_chooser_dialog_new();
  59 #else // !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
  60     wxString title(_("Choose colour"));
  61     m_widget = gtk_color_selection_dialog_new(wxGTK_CONV(title));
  62 #endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
  63
  64     g_object_ref(m_widget);
  65
  66     if ( parentGTK )
  67     {
  68         gtk_window_set_transient_for(GTK_WINDOW(m_widget), parentGTK);
  69     }
  70
  71 #if !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
  72     GtkColorSelection *sel =
  73         GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(m_widget)->colorsel);
  74     gtk_color_selection_set_has_palette(sel, true);
  75 #endif // !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
  76
  77     return true;
  78 }
  79
  80 int wxColourDialog::ShowModal()
  81 {
  82     ColourDataToDialog();
  83
  84     gint result = gtk_dialog_run(GTK_DIALOG(m_widget));
  85     gtk_widget_hide(m_widget);
  86
  87     switch (result)
  88     {
  89         default:
  90             wxFAIL_MSG(wxT("unexpected GtkColorSelectionDialog return code"));
  91             // fall through
  92
  93         case GTK_RESPONSE_CANCEL:
  94         case GTK_RESPONSE_DELETE_EVENT:
  95         case GTK_RESPONSE_CLOSE:
  96             return wxID_CANCEL;
  97
  98         case GTK_RESPONSE_OK:
  99             DialogToColourData();
 100             return wxID_OK;
 101     }
 102 }
 103
 104 void wxColourDialog::ColourDataToDialog()
 105 {
 106     const GdkColor * const
 107         col = m_data.GetColour().Ok() ? m_data.GetColour().GetColor()
 108                                       : NULL;
 109
 110 #if wxUSE_LIBHILDON
 111     HildonColorSelector * const sel = HILDON_COLOR_SELECTOR(m_widget);
 112     hildon_color_selector_set_color(sel, const_cast<GdkColor *>(col));
 113 #elif wxUSE_LIBHILDON2
 114     GdkColor clr;
 115     if (col)
 116         clr = *col;
 117     else {
 118         clr.pixel = 0;
 119         clr.red = 32768;
 120         clr.green = 32768;
 121         clr.blue = 32768;
 122     }
 123
 124     hildon_color_chooser_dialog_set_color((HildonColorChooserDialog *)m_widget, &clr);
 125 #else // !wxUSE_LIBHILDON2/!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 126     GtkColorSelection *sel =
 127         GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(m_widget)->colorsel);
 128
 129     if ( col )
 130         gtk_color_selection_set_current_color(sel, col);
 131
 132     // setup the palette:
 133
 134     GdkColor colors[16];
 135     gint n_colors = 0;
 136     for (unsigned i = 0; i < 16; i++)
 137     {
 138         wxColour c = m_data.GetCustomColour(i);
 139         if (c.Ok())
 140         {
 141             colors[n_colors] = *c.GetColor();
 142             n_colors++;
 143         }
 144     }
 145
 146     wxGtkString pal(gtk_color_selection_palette_to_string(colors, n_colors));
 147
 148     GtkSettings *settings = gtk_widget_get_settings(GTK_WIDGET(sel));
 149     g_object_set(settings, "gtk-color-palette", pal.c_str(), NULL);
 150 #endif // wxUSE_LIBHILDON / wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 151 }
 152
 153 void wxColourDialog::DialogToColourData()
 154 {
 155 #if wxUSE_LIBHILDON
 156     HildonColorSelector * const sel = HILDON_COLOR_SELECTOR(m_widget);
 157     const GdkColor * const clr = hildon_color_selector_get_color(sel);
 158     if ( clr )
 159         m_data.SetColour(*clr);
 160 #elif wxUSE_LIBHILDON2 // !wxUSE_LIBHILDON
 161     const GdkColor * const
 162     col = m_data.GetColour().Ok() ? m_data.GetColour().GetColor() : NULL;
 163
 164     GdkColor clr;
 165     if (col)
 166         clr = *col;
 167     else {
 168         clr.pixel = 0;
 169         clr.red = 32768;
 170         clr.green = 32768;
 171         clr.blue = 32768;
 172     }
 173     GdkColor new_color = clr;
 174     hildon_color_chooser_dialog_get_color((HildonColorChooserDialog *)m_widget, &new_color);
 175
 176     m_data.SetColour(new_color);
 177 #else // !wxUSE_LIBHILDON2
 178
 179     GtkColorSelection *sel =
 180         GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(m_widget)->colorsel);
 181
 182     GdkColor clr;
 183     gtk_color_selection_get_current_color(sel, &clr);
 184     m_data.SetColour(clr);
 185
 186     // Extract custom palette:
 187
 188     GtkSettings *settings = gtk_widget_get_settings(GTK_WIDGET(sel));
 189     gchar *pal;
 190     g_object_get(settings, "gtk-color-palette", &pal, NULL);
 191
 192     GdkColor *colors;
 193     gint n_colors;
 194     if (gtk_color_selection_palette_from_string(pal, &colors, &n_colors))
 195     {
 196         for (int i = 0; i < wxMin(n_colors, 16); i++)
 197         {
 198             m_data.SetCustomColour(i, wxColour(colors[i]));
 199         }
 200         g_free(colors);
 201     }
 202
 203     g_free(pal);
 204 #endif // wxUSE_LIBHILDON / wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 205 }
 206
 207 #endif // wxUSE_COLOURDLG
 208