protected void OnButtonUndelineColorClicked(object sender, EventArgs e)
{
ColorSelectionDialog dlg_color = new ColorSelectionDialog("Select color");
dlg_color.Response += delegate(object o, ResponseArgs resp)
{
if (resp.ResponseId == ResponseType.Ok)
{
underline_color_selected = dlg_color.ColorSelection.CurrentColor;
string rgb = underline_color_selected.ToString();
ApplyTextTags(textviewDemoText.Buffer, "underlinecolor:" + rgb);
}
if (resp.ResponseId == ResponseType.Cancel)
{
}
if (resp.ResponseId == ResponseType.Close)
{
}
};
dlg_color.Run();
dlg_color.Destroy();
return;
}
/// <summary>
/// Converts Gdk.Color to hex RGB hash string using ToString() and some custom parsing to alleviate
/// GTK# 2.12 limitation of ToString() result being unparsable with Parse().
/// </summary>
/// <returns>The hex RGB hash string.</returns>
/// <param name="color">Color as Gdk.Color</param>
public static string GetHexRgbHashStringFromGdkColor(Gdk.Color color)
{
// In gtk-sharp 2.12 the result of ToString() is not parsable with Parse(), need to pre-process.
// It looks like this: "rgb:rrrr/gggg/bbbb", we want "#rrrrggggbbbb".
char[] delim_chars = { ':', '/' };
// First - split the string to pieces
string[] color_selected_str_parts = color.ToString().Split(delim_chars);
// Replace "rgb" with "#"
color_selected_str_parts[0] = "#";
// Assemble it all back together
string color_selected_str = string.Join(null, color_selected_str_parts);
return(color_selected_str);
}
static string ColorToString(Gdk.Color color)
{
return(color.ToString());
}
