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367 lines
13 KiB
C#
367 lines
13 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (c) 2007-2016 ShareX Team
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using ShareX.HelpersLib;
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using System.Drawing;
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using System.Linq;
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using System.Windows.Forms;
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namespace ShareX.ScreenCaptureLib
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{
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public class ResizeManager
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{
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private bool visible;
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public bool Visible
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{
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get
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{
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return visible;
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}
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set
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{
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visible = value;
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if (!visible)
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{
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foreach (NodeObject node in nodes)
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{
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node.Visible = visible;
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}
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}
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else
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{
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BaseShape shape = shapeManager.CurrentShape;
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if (shape != null)
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{
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if (shape.NodeType == NodeType.Rectangle)
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{
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foreach (NodeObject node in nodes)
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{
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node.Shape = NodeShape.Square;
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node.Visible = visible;
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}
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}
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else if (shape.NodeType == NodeType.Line)
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{
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nodes[(int)NodePosition.TopLeft].Shape = nodes[(int)NodePosition.BottomRight].Shape = NodeShape.Circle;
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nodes[(int)NodePosition.TopLeft].Visible = nodes[(int)NodePosition.BottomRight].Visible = true;
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}
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}
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}
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}
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}
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public bool IsResizing { get; private set; }
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public int MaxMoveSpeed { get; set; }
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public int MinMoveSpeed { get; set; }
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public bool IsBottomRightResizing { get; set; }
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private bool IsUpPressed { get; set; }
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private bool IsDownPressed { get; set; }
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private bool IsLeftPressed { get; set; }
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private bool IsRightPressed { get; set; }
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private ShapeManager shapeManager;
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private NodeObject[] nodes;
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private Rectangle tempRect;
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public ResizeManager(BaseRegionForm form, ShapeManager shapeManager)
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{
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this.shapeManager = shapeManager;
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MinMoveSpeed = form.Config.MinMoveSpeed;
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MaxMoveSpeed = form.Config.MaxMoveSpeed;
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form.KeyDown += form_KeyDown;
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form.KeyUp += form_KeyUp;
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nodes = new NodeObject[8];
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for (int i = 0; i < 8; i++)
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{
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nodes[i] = form.MakeNode();
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}
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nodes[(int)NodePosition.BottomRight].Order = 10;
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}
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public void Update()
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{
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BaseShape shape = shapeManager.CurrentShape;
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if (shape != null && Visible && nodes != null)
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{
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if (InputManager.IsMouseDown(MouseButtons.Left))
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{
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if (shape.NodeType == NodeType.Rectangle)
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{
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for (int i = 0; i < 8; i++)
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{
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if (nodes[i].IsDragging)
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{
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IsResizing = true;
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if (!InputManager.IsBeforeMouseDown(MouseButtons.Left))
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{
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tempRect = shape.Rectangle;
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}
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NodePosition nodePosition = (NodePosition)i;
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int x = InputManager.MouseVelocity.X;
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switch (nodePosition)
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{
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case NodePosition.TopLeft:
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case NodePosition.Left:
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case NodePosition.BottomLeft:
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tempRect.X += x;
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tempRect.Width -= x;
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break;
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case NodePosition.TopRight:
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case NodePosition.Right:
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case NodePosition.BottomRight:
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tempRect.Width += x;
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break;
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}
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int y = InputManager.MouseVelocity.Y;
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switch (nodePosition)
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{
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case NodePosition.TopLeft:
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case NodePosition.Top:
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case NodePosition.TopRight:
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tempRect.Y += y;
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tempRect.Height -= y;
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break;
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case NodePosition.BottomLeft:
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case NodePosition.Bottom:
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case NodePosition.BottomRight:
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tempRect.Height += y;
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break;
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}
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shape.Rectangle = CaptureHelpers.FixRectangle(tempRect);
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break;
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}
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}
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}
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else if (shape.NodeType == NodeType.Line)
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{
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if (nodes[(int)NodePosition.TopLeft].IsDragging)
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{
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IsResizing = true;
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shape.StartPosition = new Point(InputManager.MousePosition0Based.X, InputManager.MousePosition0Based.Y);
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}
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else if (nodes[(int)NodePosition.BottomRight].IsDragging)
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{
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IsResizing = true;
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shape.EndPosition = new Point(InputManager.MousePosition0Based.X, InputManager.MousePosition0Based.Y);
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}
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}
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}
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else
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{
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IsResizing = false;
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}
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UpdateNodePositions();
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}
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}
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private void form_KeyDown(object sender, KeyEventArgs e)
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{
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switch (e.KeyCode)
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{
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case Keys.Up:
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IsUpPressed = true;
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break;
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case Keys.Down:
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IsDownPressed = true;
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break;
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case Keys.Left:
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IsLeftPressed = true;
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break;
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case Keys.Right:
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IsRightPressed = true;
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break;
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case Keys.Menu:
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IsBottomRightResizing = true;
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break;
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}
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// Calculate cursor movement
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int speed = e.Shift ? MaxMoveSpeed : MinMoveSpeed;
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int y = IsUpPressed && IsDownPressed ? 0 : IsDownPressed ? speed : IsUpPressed ? -speed : 0;
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int x = IsLeftPressed && IsRightPressed ? 0 : IsRightPressed ? speed : IsLeftPressed ? -speed : 0;
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// Move the cursor
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if (shapeManager.CurrentShape == null || shapeManager.IsCreating)
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{
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Cursor.Position = Cursor.Position.Add(x, y);
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}
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else
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{
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if (e.Control)
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{
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MoveCurrentArea(x, y);
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}
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else
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{
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ResizeCurrentArea(x, y, IsBottomRightResizing);
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}
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}
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}
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private void form_KeyUp(object sender, KeyEventArgs e)
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{
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switch (e.KeyCode)
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{
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case Keys.Up:
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IsUpPressed = false;
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break;
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case Keys.Down:
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IsDownPressed = false;
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break;
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case Keys.Left:
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IsLeftPressed = false;
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break;
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case Keys.Right:
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IsRightPressed = false;
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break;
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case Keys.Menu:
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IsBottomRightResizing = false;
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break;
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}
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}
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public bool IsCursorOnNode()
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{
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return Visible && nodes.Any(node => node.IsCursorHover);
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}
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public void Show()
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{
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UpdateNodePositions();
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Visible = true;
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}
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public void Hide()
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{
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Visible = false;
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}
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private void UpdateNodePositions()
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{
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BaseShape shape = shapeManager.CurrentShape;
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if (shape != null)
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{
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if (shape.NodeType == NodeType.Rectangle)
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{
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Rectangle rect = shape.Rectangle;
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int xStart = rect.X;
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int xMid = rect.X + rect.Width / 2;
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int xEnd = rect.X + rect.Width - 1;
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int yStart = rect.Y;
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int yMid = rect.Y + rect.Height / 2;
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int yEnd = rect.Y + rect.Height - 1;
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nodes[(int)NodePosition.TopLeft].Position = new Point(xStart, yStart);
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nodes[(int)NodePosition.Top].Position = new Point(xMid, yStart);
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nodes[(int)NodePosition.TopRight].Position = new Point(xEnd, yStart);
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nodes[(int)NodePosition.Right].Position = new Point(xEnd, yMid);
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nodes[(int)NodePosition.BottomRight].Position = new Point(xEnd, yEnd);
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nodes[(int)NodePosition.Bottom].Position = new Point(xMid, yEnd);
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nodes[(int)NodePosition.BottomLeft].Position = new Point(xStart, yEnd);
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nodes[(int)NodePosition.Left].Position = new Point(xStart, yMid);
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}
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else if (shape.NodeType == NodeType.Line)
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{
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nodes[(int)NodePosition.TopLeft].Position = shape.StartPosition;
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nodes[(int)NodePosition.BottomRight].Position = shape.EndPosition;
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}
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}
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}
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public void MoveCurrentArea(int x, int y)
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{
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BaseShape shape = shapeManager.CurrentShape;
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if (shape != null)
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{
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if (shape.NodeType == NodeType.Rectangle || shape.NodeType == NodeType.Point)
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{
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shape.Rectangle = shape.Rectangle.LocationOffset(x, y);
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}
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else if (shape.NodeType == NodeType.Line)
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{
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shape.StartPosition = shape.StartPosition.Add(x, y);
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shape.EndPosition = shape.EndPosition.Add(x, y);
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}
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}
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}
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public void ResizeCurrentArea(int x, int y, bool isBottomRightMoving)
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{
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BaseShape shape = shapeManager.CurrentShape;
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if (shape != null)
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{
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if (shape.NodeType == NodeType.Rectangle)
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{
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if (isBottomRightMoving)
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{
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shape.Rectangle = shape.Rectangle.SizeOffset(x, y);
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}
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else
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{
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shape.Rectangle = shape.Rectangle.LocationOffset(x, y).SizeOffset(-x, -y);
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}
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}
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else if (shape.NodeType == NodeType.Line)
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{
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if (isBottomRightMoving)
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{
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shape.StartPosition = shape.StartPosition.Add(x, y);
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}
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else
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{
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shape.EndPosition = shape.EndPosition.Add(x, y);
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}
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}
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}
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}
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}
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} |