greenshot/GreenshotPlugin/Controls/BackgroundForm.cs
2021-03-21 22:34:17 +01:00

85 lines
2.7 KiB
C#

/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2021 Thomas Braun, Jens Klingen, Robin Krom
*
* For more information see: http://getgreenshot.org/
* The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Drawing;
using System.Windows.Forms;
using GreenshotPlugin.Core;
namespace GreenshotPlugin.Controls {
/// <summary>
/// Description of PleaseWaitForm.
/// </summary>
public sealed partial class BackgroundForm : Form {
private volatile bool _shouldClose;
public BackgroundForm(string title, string text){
//
// The InitializeComponent() call is required for Windows Forms designer support.
//
InitializeComponent();
Icon = GreenshotResources.GetGreenshotIcon();
_shouldClose = false;
Text = title;
label_pleasewait.Text = text;
FormClosing += PreventFormClose;
timer_checkforclose.Start();
}
// Can be used instead of ShowDialog
public new void Show() {
base.Show();
bool positioned = false;
foreach(Screen screen in Screen.AllScreens) {
if (screen.Bounds.Contains(Cursor.Position)) {
positioned = true;
Location = new Point(screen.Bounds.X + (screen.Bounds.Width / 2) - (Width / 2), screen.Bounds.Y + (screen.Bounds.Height / 2) - (Height / 2));
break;
}
}
if (!positioned) {
Location = new Point(Cursor.Position.X - Width / 2, Cursor.Position.Y - Height / 2);
}
}
private void PreventFormClose(object sender, FormClosingEventArgs e) {
if(!_shouldClose) {
e.Cancel = true;
}
}
private void Timer_checkforcloseTick(object sender, EventArgs e) {
if (_shouldClose) {
timer_checkforclose.Stop();
BeginInvoke(new EventHandler( delegate {Close();}));
}
}
public void CloseDialog() {
_shouldClose = true;
Application.DoEvents();
}
private void BackgroundFormFormClosing(object sender, FormClosingEventArgs e) {
timer_checkforclose.Stop();
}
}
}