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 // Copyright:   (c) Vaclav Slavik, 2004
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_COLOURDLG
  19
  20 #include "wx/colordlg.h"
  21 #include "wx/modalhook.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/intl.h"
  25 #endif
  26
  27 #include <gtk/gtk.h>
  28 #include "wx/gtk/private.h"
  29 #include "wx/gtk/private/gtk2-compat.h"
  30 #include "wx/gtk/private/dialogcount.h"
  31
  32 #if wxUSE_LIBHILDON
  33     #include <hildon-widgets/hildon-color-selector.h>
  34 #endif // wxUSE_LIBHILDON
  35
  36 #if wxUSE_LIBHILDON2
  37 extern "C" {
  38     #include <hildon/hildon.h>
  39 }
  40 #endif // wxUSE_LIBHILDON2
  41
  42 IMPLEMENT_DYNAMIC_CLASS(wxColourDialog, wxDialog)
  43
  44 wxColourDialog::wxColourDialog(wxWindow *parent, wxColourData *data)
  45 {
  46     Create(parent, data);
  47 }
  48
  49 bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
  50 {
  51     if (data)
  52         m_data = *data;
  53
  54     m_parent = GetParentForModalDialog(parent, 0);
  55     GtkWindow * const parentGTK = m_parent ? GTK_WINDOW(m_parent->m_widget)
  56                                            : NULL;
  57
  58 #if wxUSE_LIBHILDON
  59     m_widget = hildon_color_selector_new(parentGTK);
  60 #elif wxUSE_LIBHILDON2 // !wxUSE_LIBHILDON
  61     m_widget = hildon_color_chooser_dialog_new();
  62 #else // !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
  63     wxString title(_("Choose colour"));
  64     m_widget = gtk_color_selection_dialog_new(wxGTK_CONV(title));
  65 #endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
  66
  67     g_object_ref(m_widget);
  68
  69     if ( parentGTK )
  70     {
  71         gtk_window_set_transient_for(GTK_WINDOW(m_widget), parentGTK);
  72     }
  73
  74 #if !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
  75     GtkColorSelection* sel = GTK_COLOR_SELECTION(
  76         gtk_color_selection_dialog_get_color_selection(
  77         GTK_COLOR_SELECTION_DIALOG(m_widget)));
  78     gtk_color_selection_set_has_palette(sel, true);
  79 #endif // !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
  80
  81     return true;
  82 }
  83
  84 int wxColourDialog::ShowModal()
  85 {
  86     WX_HOOK_MODAL_DIALOG();
  87
  88     ColourDataToDialog();
  89
  90     wxOpenModalDialogLocker modalLocker;
  91
  92     gint result = gtk_dialog_run(GTK_DIALOG(m_widget));
  93     gtk_widget_hide(m_widget);
  94
  95     switch (result)
  96     {
  97         default:
  98             wxFAIL_MSG(wxT("unexpected GtkColorSelectionDialog return code"));
  99             // fall through
 100
 101         case GTK_RESPONSE_CANCEL:
 102         case GTK_RESPONSE_DELETE_EVENT:
 103         case GTK_RESPONSE_CLOSE:
 104             return wxID_CANCEL;
 105
 106         case GTK_RESPONSE_OK:
 107             DialogToColourData();
 108             return wxID_OK;
 109     }
 110 }
 111
 112 void wxColourDialog::ColourDataToDialog()
 113 {
 114 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 115     const GdkColor * const
 116         col = m_data.GetColour().IsOk() ? m_data.GetColour().GetColor()
 117                                       : NULL;
 118 #endif
 119 #if wxUSE_LIBHILDON
 120     HildonColorSelector * const sel = HILDON_COLOR_SELECTOR(m_widget);
 121     hildon_color_selector_set_color(sel, const_cast<GdkColor *>(col));
 122 #elif wxUSE_LIBHILDON2
 123     GdkColor clr;
 124     if (col)
 125         clr = *col;
 126     else {
 127         clr.pixel = 0;
 128         clr.red = 32768;
 129         clr.green = 32768;
 130         clr.blue = 32768;
 131     }
 132
 133     hildon_color_chooser_dialog_set_color((HildonColorChooserDialog *)m_widget, &clr);
 134 #else // !wxUSE_LIBHILDON2/!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 135     GtkColorSelection* sel = GTK_COLOR_SELECTION(
 136         gtk_color_selection_dialog_get_color_selection(
 137         GTK_COLOR_SELECTION_DIALOG(m_widget)));
 138
 139     const wxColour& color = m_data.GetColour();
 140     if (color.IsOk())
 141     {
 142 #ifdef __WXGTK3__
 143         gtk_color_selection_set_current_rgba(sel, color);
 144 #else
 145         gtk_color_selection_set_current_color(sel, color.GetColor());
 146 #endif
 147     }
 148
 149     // setup the palette:
 150
 151     GdkColor colors[wxColourData::NUM_CUSTOM];
 152     gint n_colors = 0;
 153     for (unsigned i = 0; i < WXSIZEOF(colors); i++)
 154     {
 155         wxColour c = m_data.GetCustomColour(i);
 156         if (c.IsOk())
 157         {
 158             colors[n_colors] = *c.GetColor();
 159             n_colors++;
 160         }
 161     }
 162
 163     wxGtkString pal(gtk_color_selection_palette_to_string(colors, n_colors));
 164
 165     GtkSettings *settings = gtk_widget_get_settings(GTK_WIDGET(sel));
 166     g_object_set(settings, "gtk-color-palette", pal.c_str(), NULL);
 167 #endif // wxUSE_LIBHILDON / wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 168 }
 169
 170 void wxColourDialog::DialogToColourData()
 171 {
 172 #if wxUSE_LIBHILDON
 173     HildonColorSelector * const sel = HILDON_COLOR_SELECTOR(m_widget);
 174     const GdkColor * const clr = hildon_color_selector_get_color(sel);
 175     if ( clr )
 176         m_data.SetColour(*clr);
 177 #elif wxUSE_LIBHILDON2 // !wxUSE_LIBHILDON
 178     const GdkColor * const
 179     col = m_data.GetColour().IsOk() ? m_data.GetColour().GetColor() : NULL;
 180
 181     GdkColor clr;
 182     if (col)
 183         clr = *col;
 184     else {
 185         clr.pixel = 0;
 186         clr.red = 32768;
 187         clr.green = 32768;
 188         clr.blue = 32768;
 189     }
 190     GdkColor new_color = clr;
 191     hildon_color_chooser_dialog_get_color((HildonColorChooserDialog *)m_widget, &new_color);
 192
 193     m_data.SetColour(new_color);
 194 #else // !wxUSE_LIBHILDON2
 195
 196     GtkColorSelection* sel = GTK_COLOR_SELECTION(
 197         gtk_color_selection_dialog_get_color_selection(
 198         GTK_COLOR_SELECTION_DIALOG(m_widget)));
 199
 200 #ifdef __WXGTK3__
 201     GdkRGBA clr;
 202     gtk_color_selection_get_current_rgba(sel, &clr);
 203 #else
 204     GdkColor clr;
 205     gtk_color_selection_get_current_color(sel, &clr);
 206 #endif
 207     m_data.SetColour(clr);
 208
 209     // Extract custom palette:
 210
 211     GtkSettings *settings = gtk_widget_get_settings(GTK_WIDGET(sel));
 212     gchar *pal;
 213     g_object_get(settings, "gtk-color-palette", &pal, NULL);
 214
 215     GdkColor *colors;
 216     gint n_colors;
 217     if (gtk_color_selection_palette_from_string(pal, &colors, &n_colors))
 218     {
 219         for (int i = 0; i < n_colors && i < wxColourData::NUM_CUSTOM; i++)
 220         {
 221             m_data.SetCustomColour(i, wxColour(colors[i]));
 222         }
 223         g_free(colors);
 224     }
 225
 226     g_free(pal);
 227 #endif // wxUSE_LIBHILDON / wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 228 }
 229
 230 #endif // wxUSE_COLOURDLG
 231