// // SelectTool.cs // // Author: // Jonathan Pobst // // Copyright (c) 2010 Jonathan Pobst // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // THE SOFTWARE. using System; using Cairo; using Gtk; using Pinta.Core; namespace Pinta.Tools { public abstract class SelectTool : ShapeTool { private PointD reset_origin; protected SelectionHistoryItem hist; public override Gdk.Key ShortcutKey { get { return Gdk.Key.S; } } protected override bool ShowAntialiasingButton { get { return false; } } #region ToolBar // We don't want the ShapeTool's toolbar protected override void BuildToolBar (Toolbar tb) { } #endregion #region Mouse Handlers protected override void OnMouseDown (DrawingArea canvas, ButtonPressEventArgs args, Cairo.PointD point) { // Ignore extra button clicks while drawing if (is_drawing) return; reset_origin = args.Event.GetPoint (); Document doc = PintaCore.Workspace.ActiveDocument; double x = Utility.Clamp (point.X, 0, doc.ImageSize.Width - 1); double y = Utility.Clamp (point.Y, 0, doc.ImageSize.Height - 1); shape_origin = new PointD (x, y); is_drawing = true; hist = new SelectionHistoryItem (Icon, Name); hist.TakeSnapshot (); } protected override void OnMouseUp (DrawingArea canvas, ButtonReleaseEventArgs args, Cairo.PointD point) { double x = point.X; double y = point.Y; // If the user didn't move the mouse, they want to deselect int tolerance = 0; if (Math.Abs (reset_origin.X - args.Event.X) <= tolerance && Math.Abs (reset_origin.Y - args.Event.Y) <= tolerance) { PintaCore.Actions.Edit.Deselect.Activate (); hist.Dispose (); hist = null; } else { if (hist != null) PintaCore.Workspace.ActiveDocument.History.PushNewItem (hist); hist = null; } is_drawing = false; } protected override void OnMouseMove (object o, MotionNotifyEventArgs args, Cairo.PointD point) { if (!is_drawing) return; Document doc = PintaCore.Workspace.ActiveDocument; double x = Utility.Clamp (point.X, 0, doc.ImageSize.Width - 1); double y = Utility.Clamp (point.Y, 0, doc.ImageSize.Height - 1); doc.ShowSelection = true; Rectangle dirty = DrawShape (Utility.PointsToRectangle (shape_origin, new PointD (x, y), (args.Event.State & Gdk.ModifierType.ShiftMask) == Gdk.ModifierType.ShiftMask), doc.SelectionLayer); doc.Workspace.Invalidate (); last_dirty = dirty; } #endregion } }