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347 lines
10 KiB
C#
347 lines
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) 2007-2023 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;
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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 ShareX
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{
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public partial class TaskThumbnailView : UserControl
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{
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public List<TaskThumbnailPanel> Panels { get; private set; }
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public List<TaskThumbnailPanel> SelectedPanels { get; private set; }
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public TaskThumbnailPanel SelectedPanel
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{
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get
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{
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if (SelectedPanels.Count > 0)
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{
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return SelectedPanels[SelectedPanels.Count - 1];
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}
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return null;
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}
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}
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private bool titleVisible = true;
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public bool TitleVisible
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{
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get
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{
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return titleVisible;
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}
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set
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{
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if (titleVisible != value)
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{
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titleVisible = value;
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foreach (TaskThumbnailPanel panel in Panels)
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{
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panel.TitleVisible = titleVisible;
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}
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}
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}
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}
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private ThumbnailTitleLocation titleLocation;
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public ThumbnailTitleLocation TitleLocation
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{
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get
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{
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return titleLocation;
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}
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set
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{
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if (titleLocation != value)
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{
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titleLocation = value;
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foreach (TaskThumbnailPanel panel in Panels)
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{
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panel.TitleLocation = titleLocation;
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}
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}
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}
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}
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private Size thumbnailSize = new Size(200, 150);
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public Size ThumbnailSize
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{
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get
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{
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return thumbnailSize;
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}
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set
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{
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if (thumbnailSize != value)
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{
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thumbnailSize = value;
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foreach (TaskThumbnailPanel panel in Panels)
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{
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panel.ThumbnailSize = thumbnailSize;
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}
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UpdateAllThumbnails(true);
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}
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}
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}
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private ThumbnailViewClickAction clickAction = ThumbnailViewClickAction.Default;
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public ThumbnailViewClickAction ClickAction
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{
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get
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{
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return clickAction;
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}
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set
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{
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if (clickAction != value)
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{
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clickAction = value;
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foreach (TaskThumbnailPanel panel in Panels)
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{
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panel.ClickAction = clickAction;
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}
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}
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}
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}
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public delegate void TaskViewMouseEventHandler(object sender, MouseEventArgs e);
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public event TaskViewMouseEventHandler ContextMenuRequested;
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public event EventHandler SelectedPanelChanged;
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public TaskThumbnailView()
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{
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Panels = new List<TaskThumbnailPanel>();
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SelectedPanels = new List<TaskThumbnailPanel>();
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InitializeComponent();
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UpdateTheme();
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}
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protected override Point ScrollToControl(Control activeControl)
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{
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return AutoScrollPosition;
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}
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public void UpdateTheme()
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{
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if (ShareXResources.UseCustomTheme)
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{
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BackColor = ShareXResources.Theme.BackgroundColor;
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}
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else
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{
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BackColor = SystemColors.Window;
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}
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foreach (TaskThumbnailPanel panel in Panels)
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{
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panel.UpdateTheme();
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}
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}
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private TaskThumbnailPanel CreatePanel(WorkerTask task)
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{
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TaskThumbnailPanel panel = new TaskThumbnailPanel(task);
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panel.ThumbnailSize = ThumbnailSize;
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panel.ClickAction = ClickAction;
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panel.TitleVisible = TitleVisible;
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panel.TitleLocation = TitleLocation;
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panel.MouseEnter += Panel_MouseEnter;
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panel.MouseDown += (object sender, MouseEventArgs e) => Panel_MouseDown(e, panel);
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panel.MouseUp += Panel_MouseUp;
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panel.ImagePreviewRequested += Panel_ImagePreviewRequested;
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return panel;
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}
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public TaskThumbnailPanel AddPanel(WorkerTask task)
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{
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TaskThumbnailPanel panel = CreatePanel(task);
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Panels.Add(panel);
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flpMain.Controls.Add(panel);
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flpMain.Controls.SetChildIndex(panel, 0);
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return panel;
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}
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public void RemovePanel(WorkerTask task)
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{
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TaskThumbnailPanel panel = FindPanel(task);
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if (panel != null)
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{
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Panels.Remove(panel);
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SelectedPanels.Remove(panel);
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flpMain.Controls.Remove(panel);
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panel.Dispose();
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}
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}
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public TaskThumbnailPanel FindPanel(WorkerTask task)
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{
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return Panels.FirstOrDefault(x => x.Task == task);
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}
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public void UpdateAllThumbnails(bool forceUpdate = false)
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{
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foreach (TaskThumbnailPanel panel in Panels)
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{
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if (forceUpdate || !panel.ThumbnailExists)
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{
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panel.UpdateThumbnail();
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}
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}
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}
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public void UnselectAllPanels(TaskThumbnailPanel ignorePanel = null)
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{
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SelectedPanels.Clear();
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foreach (TaskThumbnailPanel panel in Panels)
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{
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if (panel != ignorePanel)
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{
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panel.Selected = false;
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}
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}
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OnSelectedPanelChanged();
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}
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protected void OnContextMenuRequested(object sender, MouseEventArgs e)
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{
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ContextMenuRequested?.Invoke(sender, e);
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}
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protected void OnSelectedPanelChanged()
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{
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SelectedPanelChanged?.Invoke(this, EventArgs.Empty);
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}
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private void Panel_MouseEnter(object sender, EventArgs e)
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{
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// Workaround to handle mouse wheel scrolling in Windows 7
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if (NativeMethods.GetForegroundWindow() == ParentForm.Handle && !flpMain.Focused)
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{
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flpMain.Focus();
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}
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}
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private void Panel_MouseDown(object sender, MouseEventArgs e)
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{
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Panel_MouseDown(e, null);
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}
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private void Panel_MouseDown(MouseEventArgs e, TaskThumbnailPanel panel)
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{
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if (panel == null)
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{
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UnselectAllPanels();
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}
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else
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{
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if (ModifierKeys == Keys.Control)
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{
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if (panel.Selected)
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{
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panel.Selected = false;
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SelectedPanels.Remove(panel);
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}
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else
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{
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panel.Selected = true;
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SelectedPanels.Add(panel);
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}
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}
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else if (ModifierKeys == Keys.Shift)
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{
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if (SelectedPanels.Count > 0)
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{
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TaskThumbnailPanel firstPanel = SelectedPanels[0];
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UnselectAllPanels();
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foreach (TaskThumbnailPanel p in Panels.Range(firstPanel, panel))
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{
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p.Selected = true;
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SelectedPanels.Add(p);
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}
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}
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else
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{
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panel.Selected = true;
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SelectedPanels.Add(panel);
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}
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}
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else
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{
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if (!panel.Selected || e.Button == MouseButtons.Left)
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{
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UnselectAllPanels(panel);
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panel.Selected = true;
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SelectedPanels.Add(panel);
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}
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}
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}
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OnSelectedPanelChanged();
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}
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private void Panel_MouseUp(object sender, MouseEventArgs e)
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{
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if (e.Button == MouseButtons.Right)
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{
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OnContextMenuRequested(sender, e);
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}
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}
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private void Panel_ImagePreviewRequested(TaskThumbnailPanel panel)
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{
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string[] images = Panels.Select(x => x.Task.Info.FilePath).Reverse().ToArray();
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int currentImageIndex = Panels.Count - Panels.IndexOf(panel) - 1;
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ImageViewer.ShowImage(images, currentImageIndex);
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}
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protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
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{
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OnKeyDown(new KeyEventArgs(keyData));
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return base.ProcessCmdKey(ref msg, keyData);
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}
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}
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} |