src/gtk/colordlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/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 = GTK_COLOR_SELECTION(
  73         gtk_color_selection_dialog_get_color_selection(
  74         GTK_COLOR_SELECTION_DIALOG(m_widget)));
  75     gtk_color_selection_set_has_palette(sel, true);
  76 #endif // !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
  77
  78     return true;
  79 }
  80
  81 int wxColourDialog::ShowModal()
  82 {
  83     ColourDataToDialog();
  84
  85     gint result = gtk_dialog_run(GTK_DIALOG(m_widget));
  86     gtk_widget_hide(m_widget);
  87
  88     switch (result)
  89     {
  90         default:
  91             wxFAIL_MSG(wxT("unexpected GtkColorSelectionDialog return code"));
  92             // fall through
  93
  94         case GTK_RESPONSE_CANCEL:
  95         case GTK_RESPONSE_DELETE_EVENT:
  96         case GTK_RESPONSE_CLOSE:
  97             return wxID_CANCEL;
  98
  99         case GTK_RESPONSE_OK:
 100             DialogToColourData();
 101             return wxID_OK;
 102     }
 103 }
 104
 105 void wxColourDialog::ColourDataToDialog()
 106 {
 107     const GdkColor * const
 108         col = m_data.GetColour().IsOk() ? m_data.GetColour().GetColor()
 109                                       : NULL;
 110
 111 #if wxUSE_LIBHILDON
 112     HildonColorSelector * const sel = HILDON_COLOR_SELECTOR(m_widget);
 113     hildon_color_selector_set_color(sel, const_cast<GdkColor *>(col));
 114 #elif wxUSE_LIBHILDON2
 115     GdkColor clr;
 116     if (col)
 117         clr = *col;
 118     else {
 119         clr.pixel = 0;
 120         clr.red = 32768;
 121         clr.green = 32768;
 122         clr.blue = 32768;
 123     }
 124
 125     hildon_color_chooser_dialog_set_color((HildonColorChooserDialog *)m_widget, &clr);
 126 #else // !wxUSE_LIBHILDON2/!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 127     GtkColorSelection* sel = GTK_COLOR_SELECTION(
 128         gtk_color_selection_dialog_get_color_selection(
 129         GTK_COLOR_SELECTION_DIALOG(m_widget)));
 130
 131     if ( col )
 132         gtk_color_selection_set_current_color(sel, col);
 133
 134     // setup the palette:
 135
 136     GdkColor colors[16];
 137     gint n_colors = 0;
 138     for (unsigned i = 0; i < 16; i++)
 139     {
 140         wxColour c = m_data.GetCustomColour(i);
 141         if (c.IsOk())
 142         {
 143             colors[n_colors] = *c.GetColor();
 144             n_colors++;
 145         }
 146     }
 147
 148     wxGtkString pal(gtk_color_selection_palette_to_string(colors, n_colors));
 149
 150     GtkSettings *settings = gtk_widget_get_settings(GTK_WIDGET(sel));
 151     g_object_set(settings, "gtk-color-palette", pal.c_str(), NULL);
 152 #endif // wxUSE_LIBHILDON / wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 153 }
 154
 155 void wxColourDialog::DialogToColourData()
 156 {
 157 #if wxUSE_LIBHILDON
 158     HildonColorSelector * const sel = HILDON_COLOR_SELECTOR(m_widget);
 159     const GdkColor * const clr = hildon_color_selector_get_color(sel);
 160     if ( clr )
 161         m_data.SetColour(*clr);
 162 #elif wxUSE_LIBHILDON2 // !wxUSE_LIBHILDON
 163     const GdkColor * const
 164     col = m_data.GetColour().IsOk() ? m_data.GetColour().GetColor() : NULL;
 165
 166     GdkColor clr;
 167     if (col)
 168         clr = *col;
 169     else {
 170         clr.pixel = 0;
 171         clr.red = 32768;
 172         clr.green = 32768;
 173         clr.blue = 32768;
 174     }
 175     GdkColor new_color = clr;
 176     hildon_color_chooser_dialog_get_color((HildonColorChooserDialog *)m_widget, &new_color);
 177
 178     m_data.SetColour(new_color);
 179 #else // !wxUSE_LIBHILDON2
 180
 181     GtkColorSelection* sel = GTK_COLOR_SELECTION(
 182         gtk_color_selection_dialog_get_color_selection(
 183         GTK_COLOR_SELECTION_DIALOG(m_widget)));
 184
 185     GdkColor clr;
 186     gtk_color_selection_get_current_color(sel, &clr);
 187     m_data.SetColour(clr);
 188
 189     // Extract custom palette:
 190
 191     GtkSettings *settings = gtk_widget_get_settings(GTK_WIDGET(sel));
 192     gchar *pal;
 193     g_object_get(settings, "gtk-color-palette", &pal, NULL);
 194
 195     GdkColor *colors;
 196     gint n_colors;
 197     if (gtk_color_selection_palette_from_string(pal, &colors, &n_colors))
 198     {
 199         for (int i = 0; i < wxMin(n_colors, 16); i++)
 200         {
 201             m_data.SetCustomColour(i, wxColour(colors[i]));
 202         }
 203         g_free(colors);
 204     }
 205
 206     g_free(pal);
 207 #endif // wxUSE_LIBHILDON / wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 208 }
 209
 210 #endif // wxUSE_COLOURDLG
 211