mirror of
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371 lines
No EOL
10 KiB
C#
371 lines
No EOL
10 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) 2007-2014 ShareX Developers
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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 HelpersLib;
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using System.Collections.Generic;
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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 ScreenCaptureLib
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{
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public class AreaManager
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{
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public List<Rectangle> Areas { get; private set; }
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public int SelectedAreaIndex { get; private set; }
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public List<Rectangle> GetValidAreas
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{
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get
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{
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List<Rectangle> areas = new List<Rectangle>();
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areas.AddRange(Areas.Where(IsAreaValid));
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return areas;
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}
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}
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public Rectangle CurrentArea
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{
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get
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{
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if (SelectedAreaIndex > -1)
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{
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return Areas[SelectedAreaIndex];
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}
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return Rectangle.Empty;
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}
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set
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{
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if (SelectedAreaIndex > -1)
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{
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Areas[SelectedAreaIndex] = value;
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}
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}
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}
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public bool IsCurrentAreaValid
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{
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get
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{
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return IsAreaValid(CurrentArea);
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}
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}
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public Rectangle CurrentHoverArea { get; private set; }
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public bool IsCurrentHoverAreaValid
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{
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get
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{
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return IsAreaValid(CurrentHoverArea);
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}
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}
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public ResizeManager ResizeManager { get; private set; }
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public bool IsCreating { get; private set; }
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public bool IsMoving { get; private set; }
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public bool IsResizing
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{
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get
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{
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return ResizeManager.IsResizing;
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}
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}
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public List<Rectangle> Windows { get; set; }
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public bool WindowCaptureMode { get; set; }
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public bool IncludeControls { get; set; }
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public int MinimumSize { get; set; }
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private RectangleRegion surface;
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private Point currentPosition;
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private Point positionOnClick;
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private bool proportionalResizing;
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public AreaManager(RectangleRegion surface)
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{
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this.surface = surface;
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ResizeManager = new ResizeManager(surface, this);
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MinimumSize = 10;
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Areas = new List<Rectangle>();
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SelectedAreaIndex = -1;
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surface.MouseDown += surface_MouseDown;
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surface.MouseUp += surface_MouseUp;
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surface.KeyDown += surface_KeyDown;
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surface.KeyUp += surface_KeyUp;
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}
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private void surface_KeyDown(object sender, KeyEventArgs e)
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{
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if (e.KeyCode == Keys.ShiftKey)
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{
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proportionalResizing = true;
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}
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}
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private void surface_KeyUp(object sender, KeyEventArgs e)
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{
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if (e.KeyCode == Keys.ShiftKey)
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{
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proportionalResizing = false;
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}
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}
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public void Update()
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{
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if (IsMoving)
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{
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Rectangle rect = CurrentArea;
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rect.X += InputManager.MouseVelocity.X;
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rect.Y += InputManager.MouseVelocity.Y;
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CurrentArea = rect;
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}
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if (IsCreating && !CurrentArea.IsEmpty)
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{
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currentPosition = InputManager.MousePosition0Based;
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Point newPosition = currentPosition;
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if (proportionalResizing)
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{
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newPosition = CaptureHelpers.ProportionalPosition(positionOnClick, currentPosition);
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}
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CurrentArea = CaptureHelpers.CreateRectangle(positionOnClick, newPosition);
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}
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CheckHover();
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ResizeManager.Update();
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}
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private void CheckHover()
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{
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CurrentHoverArea = Rectangle.Empty;
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if (!ResizeManager.IsCursorOnNode() && !IsCreating && !IsMoving && !IsResizing)
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{
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Rectangle hoverArea = GetAreaIntersectWithMouse();
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if (!hoverArea.IsEmpty)
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{
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CurrentHoverArea = hoverArea;
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}
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else if (WindowCaptureMode && Windows != null)
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{
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hoverArea = Windows.FirstOrDefault(x => x.Contains(InputManager.MousePosition));
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if (!hoverArea.IsEmpty)
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{
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hoverArea = CaptureHelpers.ScreenToClient(hoverArea);
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CurrentHoverArea = Rectangle.Intersect(surface.ScreenRectangle0Based, hoverArea);
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}
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}
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}
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}
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private void surface_MouseDown(object sender, MouseEventArgs e)
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{
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int areaIndex = AreaIntersect(InputManager.MousePosition0Based);
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if (e.Button == MouseButtons.Left && !ResizeManager.IsCursorOnNode())
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{
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positionOnClick = InputManager.MousePosition0Based;
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if (areaIndex > -1) // Select area
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{
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IsMoving = true;
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SelectedAreaIndex = areaIndex;
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SelectArea();
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}
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else if (!IsCreating) // Create new area
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{
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DeselectArea();
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Rectangle rect;
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if (surface.Config.IsFixedSize)
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{
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IsMoving = true;
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rect = new Rectangle(new Point(e.X - surface.Config.FixedSize.Width / 2, e.Y - surface.Config.FixedSize.Height / 2), surface.Config.FixedSize);
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}
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else
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{
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IsCreating = true;
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rect = new Rectangle(e.Location, new Size(1, 1));
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}
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Areas.Add(rect);
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SelectedAreaIndex = Areas.Count - 1;
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}
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}
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}
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private void surface_MouseUp(object sender, MouseEventArgs e)
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{
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if (e.Button == MouseButtons.Left)
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{
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IsCreating = false;
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IsMoving = false;
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if (!CurrentArea.IsEmpty)
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{
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if (!IsCurrentAreaValid)
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{
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RemoveCurrentArea();
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CheckHover();
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}
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else if (surface.Config.QuickCrop)
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{
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surface.UpdateRegionPath();
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surface.Close(SurfaceResult.Region);
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}
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else
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{
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SelectArea();
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}
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}
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if (!CurrentHoverArea.IsEmpty)
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{
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Areas.Add(CurrentHoverArea);
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SelectedAreaIndex = Areas.Count - 1;
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if (surface.Config.QuickCrop)
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{
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surface.UpdateRegionPath();
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surface.Close(SurfaceResult.Region);
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}
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else
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{
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SelectArea();
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}
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}
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}
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else if (e.Button == MouseButtons.Right)
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{
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int areaIndex = AreaIntersect();
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if (areaIndex > -1)
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{
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Areas.RemoveAt(areaIndex);
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DeselectArea();
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}
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else
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{
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surface.Close(SurfaceResult.Close);
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}
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}
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}
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private void SelectArea()
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{
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if (!CurrentArea.IsEmpty && !surface.Config.IsFixedSize)
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{
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ResizeManager.Show();
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}
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}
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private void DeselectArea()
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{
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SelectedAreaIndex = -1;
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ResizeManager.Hide();
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}
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private void RemoveCurrentArea()
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{
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if (SelectedAreaIndex > -1)
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{
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Areas.RemoveAt(SelectedAreaIndex);
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DeselectArea();
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}
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}
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private bool IsAreaValid(Rectangle rect)
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{
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return !rect.IsEmpty && rect.Width >= MinimumSize && rect.Height >= MinimumSize;
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}
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public int AreaIntersect(Point mousePosition)
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{
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for (int i = Areas.Count - 1; i >= 0; i--)
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{
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if (Areas[i].Contains(mousePosition))
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{
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return i;
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}
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}
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return -1;
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}
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public int AreaIntersect()
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{
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return AreaIntersect(InputManager.MousePosition0Based);
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}
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public Rectangle GetAreaIntersectWithMouse()
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{
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int areaIndex = AreaIntersect();
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if (areaIndex > -1)
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{
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return Areas[areaIndex];
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}
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return Rectangle.Empty;
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}
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public bool IsAreaIntersect()
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{
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return AreaIntersect() > -1;
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}
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public Rectangle CombineAreas()
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{
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List<Rectangle> areas = GetValidAreas;
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if (areas.Count > 0)
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{
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Rectangle rect = areas[0];
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for (int i = 1; i < areas.Count; i++)
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{
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rect = Rectangle.Union(rect, areas[i]);
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}
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return rect;
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}
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return Rectangle.Empty;
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}
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}
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} |