C++ (Cpp) gtk_color_selection_get_has_palette示例

示例#1

文件： colorsel.c 项目： amery/clip-angelo

int
clip_GTK_COLORSELECTIONGETHASPALETTE(ClipMachine * ClipMachineMemory)
{
   C_widget *ccsel = _fetch_cw_arg(ClipMachineMemory);

   CHECKCWID(ccsel, GTK_IS_COLOR_SELECTION);
   _clip_retl(ClipMachineMemory, gtk_color_selection_get_has_palette(GTK_COLOR_SELECTION(ccsel->widget)));
   return 0;
 err:
   return 1;
}

示例#2

文件： iupgtk_colordlg.c 项目： Airr/iup_mac

static int gtkColorDlgPopup(Ihandle* ih, int x, int y)
{
  InativeHandle* parent = iupDialogGetNativeParent(ih);
  GtkColorSelectionDialog* dialog;
  GtkColorSelection* colorsel;
  GdkColor color;
  char *value;
  unsigned char r = 0, g = 0, b = 0, a = 255;
  int response, ret;

  iupAttribSetInt(ih, "_IUPDLG_X", x);   /* used in iupDialogUpdatePosition */
  iupAttribSetInt(ih, "_IUPDLG_Y", y);

  dialog = (GtkColorSelectionDialog*)gtk_color_selection_dialog_new(iupgtkStrConvertToUTF8(iupAttribGet(ih, "TITLE")));
  if (!dialog)
    return IUP_ERROR;

  if (parent)
    gtk_window_set_transient_for((GtkWindow*)dialog, (GtkWindow*)parent);

  ret = iupStrToRGBA(iupAttribGet(ih, "VALUE"), &r, &g, &b, &a);

  colorsel = (GtkColorSelection*)dialog->colorsel;
  iupgdkColorSet(&color, r, g, b);
  gtk_color_selection_set_current_color(colorsel, &color);

  value = iupAttribGetStr(ih, "ALPHA");
  if (value)
  {
    int alpha;
    if (iupStrToInt(value, &alpha))
    {
      if (alpha<0) alpha=0;
      if (alpha>255) alpha=255;
      gtk_color_selection_set_has_opacity_control(colorsel, TRUE);
      gtk_color_selection_set_current_alpha(colorsel, iupCOLOR8TO16(alpha));
    }
  }
  else if (iupAttribGetBoolean(ih, "SHOWALPHA") || ret == 4)
  {
    gtk_color_selection_set_has_opacity_control(colorsel, TRUE);
    gtk_color_selection_set_current_alpha(colorsel, iupCOLOR8TO16(a));
  }
  else
    gtk_color_selection_set_has_opacity_control(colorsel, FALSE);

  value = iupAttribGetStr(ih, "COLORTABLE");
  if (value)
  {
    gtk_color_selection_set_has_palette (colorsel, TRUE);
    gtkColorDlgSetPalette(colorsel, value);
  }
  else if (iupAttribGetBoolean(ih, "SHOWCOLORTABLE"))
    gtk_color_selection_set_has_palette (colorsel, TRUE);
  else
    gtk_color_selection_set_has_palette (colorsel, FALSE);

  if (IupGetCallback(ih, "HELP_CB"))
    gtk_widget_show(dialog->help_button);
  
  /* initialize the widget */
  gtk_widget_realize(GTK_WIDGET(dialog));
  
  ih->handle = GTK_WIDGET(dialog);
  iupDialogUpdatePosition(ih);
  ih->handle = NULL;

  do 
  {
    response = gtk_dialog_run(GTK_DIALOG(dialog));

    if (response == GTK_RESPONSE_HELP)
    {
      Icallback cb = IupGetCallback(ih, "HELP_CB");
      if (cb && cb(ih) == IUP_CLOSE)
        response = GTK_RESPONSE_CANCEL;
    }
  } while (response == GTK_RESPONSE_HELP);

  if (response == GTK_RESPONSE_OK)
  {
    GdkColor color;
    gtk_color_selection_get_current_color(colorsel, &color);
    IupSetAttribute(ih, "STATUS", "1");

    if (gtk_color_selection_get_has_opacity_control(colorsel))
    {
      int alpha = gtk_color_selection_get_current_alpha(colorsel);
      iupAttribSetInt(ih, "ALPHA", (int)iupCOLOR16TO8(alpha));
      iupAttribSetStrf(ih, "VALUE", "%d %d %d %d", (int)iupCOLOR16TO8(color.red), (int)iupCOLOR16TO8(color.green), (int)iupCOLOR16TO8(color.blue), (int)iupCOLOR16TO8(alpha));
    }
    else
      iupAttribSetStrf(ih, "VALUE", "%d %d %d", (int)iupCOLOR16TO8(color.red), (int)iupCOLOR16TO8(color.green), (int)iupCOLOR16TO8(color.blue));

    if (gtk_color_selection_get_has_palette(colorsel))
      gtkColorDlgGetPalette(ih, colorsel);
  }
  else
  {
    iupAttribSetStr(ih, "ALPHA", NULL);
    iupAttribSetStr(ih, "VALUE", NULL);
    iupAttribSetStr(ih, "COLORTABLE", NULL);
    iupAttribSetStr(ih, "STATUS", NULL);
  }

  gtk_widget_destroy(GTK_WIDGET(dialog));  

  return IUP_NOERROR;
}