public DemoColorSelection () : base ("Color Selection")
{
BorderWidth = 8;
VBox vbox = new VBox (false,8);
vbox.BorderWidth = 8;
Add (vbox);
// Create the color swatch area
Frame frame = new Frame ();
frame.ShadowType = ShadowType.In;
vbox.PackStart (frame, true, true, 0);
drawingArea = new DrawingArea ();
// set a minimum size
drawingArea.SetSizeRequest (200,200);
// set the color
color.Red = 0;
color.Green = 0;
color.Blue = 1;
color.Alpha = 1;
drawingArea.OverrideBackgroundColor (StateFlags.Normal, color);
frame.Add (drawingArea);
Alignment alignment = new Alignment (1.0f, 0.5f, 0.0f, 0.0f);
Button button = new Button ("_Change the above color");
button.Clicked += new EventHandler (ChangeColorCallback);
alignment.Add (button);
vbox.PackStart (alignment, false, false, 0);
ShowAll ();
}
public DemoColorSelection() : base("Color Selection")
{
BorderWidth = 8;
VBox vbox = new VBox(false, 8);
vbox.BorderWidth = 8;
Add(vbox);
// Create the color swatch area
Frame frame = new Frame();
frame.ShadowType = ShadowType.In;
vbox.PackStart(frame, true, true, 0);
drawingArea = new DrawingArea();
// set a minimum size
drawingArea.SetSizeRequest(200, 200);
// set the color
color.Red = 0;
color.Green = 0;
color.Blue = 1;
color.Alpha = 1;
drawingArea.OverrideBackgroundColor(StateFlags.Normal, color);
frame.Add(drawingArea);
Alignment alignment = new Alignment(1.0f, 0.5f, 0.0f, 0.0f);
Button button = new Button("_Change the above color");
button.Clicked += new EventHandler(ChangeColorCallback);
alignment.Add(button);
vbox.PackStart(alignment, false, false, 0);
ShowAll();
}
private void ChangeColorCallback(object o, EventArgs args)
{
using (ColorSelectionDialog colorSelectionDialog = new ColorSelectionDialog("Changing color")) {
colorSelectionDialog.TransientFor = this;
colorSelectionDialog.ColorSelection.SetPreviousRgba(color);
colorSelectionDialog.ColorSelection.CurrentRgba = color;
colorSelectionDialog.ColorSelection.HasPalette = true;
if (colorSelectionDialog.Run() == (int)ResponseType.Ok)
{
color = colorSelectionDialog.ColorSelection.CurrentRgba;
drawingArea.OverrideBackgroundColor(StateFlags.Normal, color);
}
colorSelectionDialog.Hide();
}
}
static void Display_Result (Gdk.RGBA color)
{
dialog = new Dialog ();
dialog.Title = "Selected Color: " + HexFormat (color);
DrawingArea da = new DrawingArea ();
da.OverrideBackgroundColor (StateFlags.Normal, color);
dialog.ContentArea.BorderWidth = 10;
dialog.ContentArea.PackStart (da, true, true, 10);
dialog.SetDefaultSize (200, 200);
Button button = new Button (Stock.Ok);
button.Clicked += new EventHandler (Dialog_Ok);
button.CanDefault = true;
dialog.ActionArea.PackStart (button, true, true, 0);
button.GrabDefault ();
dialog.ShowAll ();
}
