private void OpacityNumericValueChanged(object sender, EventArgs e)
{
NumericUpDown nud = sender as NumericUpDown;
ScreenInfo scrn = nud.Tag as ScreenInfo;
TrackBar tb = (nud.Parent as GroupBox).Controls[0] as TrackBar;
scrn.Opacity = (double)nud.Value / 100;
tb.Value = (int)nud.Value;
TriggerSave();
}
private void OpacityTrackBarScroll(object sender, EventArgs e)
{
TrackBar tb = sender as TrackBar;
ScreenInfo scrn = tb.Tag as ScreenInfo;
NumericUpDown nud = (tb.Parent as GroupBox).Controls[1] as NumericUpDown;
scrn.Opacity = (double)tb.Value / 100;
nud.Value = tb.Value;
TriggerSave();
}
//
// </ATTRIBUTES AND CONSTANTS>
//
//
// <CONSTRUCTORS>
//
// default constructor
// used when "settings.xml" is not found, or contains invalid values
public OptionsForm()
{
MessageBox.Show(FirstTimeText, "ScreenDimmer");
screen_list = new List <ScreenInfo>();
basic_screen = new ScreenInfo("basic", 0, 0, 0, 0, 0, DEFAULT_OPACITY);
DetectScreens();
InitializeForm();
InitializeTabs();
InitializeTimer();
SaveSettings();
}
private void DimmingCheckBoxClicked(object sender, MouseEventArgs e)
{
CheckBox cb = sender as CheckBox;
ScreenInfo scrn = cb.Tag as ScreenInfo;
if (cb.Checked)
{
scrn.Show = true;
}
else
{
scrn.Show = false;
}
}
//
// </INITIALIZATION>
//
//
// <HELPER METHODS>
//
private ScreenInfo NewScreenInfo(Screen scrn, int index)
{
string name = scrn.DeviceName;
int originX = scrn.Bounds.X;
int originY = scrn.Bounds.Y;
int resX = scrn.Bounds.Width;
int resY = scrn.Bounds.Height;
ScreenInfo scrn_info = new ScreenInfo(name, index, originX, originY, resX, resY, DEFAULT_OPACITY);
scrn_info.Show = false;
if (use_separate_screens)
{
scrn_info.Enabled = true;
}
return(scrn_info);
}
// creates a TabPage for a ScreenInfo
TabPage CreateScreenTab(ScreenInfo scrn)
{
TabPage tab = new TabPage();
tab.Text = "Screen " + scrn.ScreenIndex;
tab.Tag = scrn;
// TableLayoutPanel setup
TableLayoutPanel tbl = new TableLayoutPanel();
tbl.Dock = DockStyle.Fill;
tbl.RowCount = 3;
tbl.RowStyles.Add(new RowStyle(SizeType.Percent, 38));
tbl.RowStyles.Add(new RowStyle(SizeType.Percent, 38));
tbl.RowStyles.Add(new RowStyle(SizeType.Percent, 24));
tbl.ColumnCount = 1;
tab.Controls.Add(tbl);
// screen information groupbox
GroupBox gb = new GroupBox();
gb.Text = "Screen Information";
gb.Dock = DockStyle.Fill;
tbl.Controls.Add(gb, 0, 0);
ListBox lb = new ListBox();
lb.Dock = DockStyle.Fill;
lb.Items.Add("Resolution: " + scrn.ResolutionX + " by " + scrn.ResolutionY);
lb.Items.Add("Position: (" + scrn.OriginX + ", " + scrn.OriginY + ")");
gb.Controls.Add(lb);
// opacity groupbox
gb = new GroupBox();
gb.Text = "Opacity";
gb.Dock = DockStyle.Fill;
tbl.Controls.Add(gb, 0, 1);
TrackBar tb = new TrackBar();
tb.Tag = scrn;
tb.Location = new Point(8, 14);
tb.Width = 280;
tb.TickStyle = TickStyle.Both;
tb.TickFrequency = 1;
tb.SmallChange = 1;
tb.LargeChange = 10;
tb.Maximum = (int)(ScreenInfo.MaxOpacity * 100);
tb.Minimum = (int)(ScreenInfo.MinOpacity * 100);
tb.Value = (int)(scrn.Opacity * 100);
tb.Scroll += OpacityTrackBarScroll;
gb.Controls.Add(tb);
NumericUpDown nud = new NumericUpDown();
nud.Tag = scrn;
nud.Location = new Point(294, 26);
nud.Size = new Size(60, 40);
nud.Maximum = (int)(ScreenInfo.MaxOpacity * 100);
nud.Minimum = (int)(ScreenInfo.MinOpacity * 100);
nud.Value = (int)(scrn.Opacity * 100);
nud.ValueChanged += OpacityNumericValueChanged;
nud.KeyDown += OpacityNumericKeyDown;
gb.Controls.Add(nud);
// dimming checkbox
FlowLayoutPanel flp = new FlowLayoutPanel();
flp.Dock = DockStyle.Fill;
flp.FlowDirection = FlowDirection.LeftToRight;
flp.Padding = new Padding(10, 6, 6, 10);
tbl.Controls.Add(flp, 0, 2);
CheckBox cb = new CheckBox();
cb.Tag = scrn;
cb.Text = "Enable dimming";
cb.AutoSize = true;
cb.Checked = scrn.Show;
cb.MouseClick += DimmingCheckBoxClicked;
flp.Controls.Add(cb);
return(tab);
}
// constructor for valid XML document
// XElements can have invalid values
public OptionsForm(XDocument xml)
{
bool use_default_values = false;
screen_list = new List <ScreenInfo>();
var screens = xml.Descendants("screen");
// get the options and basic screen information from the XML file
basic_screen = new ScreenInfo("basic", 0, 0, 0, 0, 0, DEFAULT_OPACITY);
try
{
XElement options = xml.Descendants("options").First();
XElement basic = xml.Descendants("basicScreen").First();
use_separate_screens = (Boolean.Parse(options.Element("separateScreens").Value));
basic_screen.OriginX = Int32.Parse(basic.Element("left").Value);
basic_screen.OriginY = Int32.Parse(basic.Element("up").Value);
basic_screen.ResolutionX = Int32.Parse(basic.Element("right").Value) - basic_screen.OriginX;
basic_screen.ResolutionY = Int32.Parse(basic.Element("down").Value) - basic_screen.OriginY;
basic_screen.Show = Boolean.Parse(basic.Element("enabled").Value);
basic_screen.Opacity = Double.Parse(basic.Element("opacity").Value);
basic_screen.Enabled = !use_separate_screens;
}
catch (InvalidOperationException)
{ use_default_values = ExceptionMessageBox(InvalidOperationExceptionMessage, "Warning: InvalidOperationException"); }
catch (FormatException)
{ use_default_values = ExceptionMessageBox(FormatExceptionMessage, "Warning: FormatException"); }
catch (OverflowException)
{ use_default_values = ExceptionMessageBox(OverflowExceptionMessage, "Warning: OverflowException"); }
catch (ArgumentOutOfRangeException)
{ use_default_values = ExceptionMessageBox(ArgumentOutOfRangeExceptionMessage, "Warning: ArgumentOutOfRangeException"); }
// copy screen information from the XML file
foreach (XElement screen in screens)
{
if (use_default_values)
{
break;
}
// ensure that the XML file does not have invalid values
try
{
ScreenInfo scrn_info = new ScreenInfo(screen);
if (use_separate_screens)
{
scrn_info.Enabled = true;
}
// ignore screens that do not appear in Screen.AllScreens
// they will not be added to screen_list, so they should not get their own tab
foreach (Screen scrn in Screen.AllScreens)
{
if (scrn_info.Name.Equals(scrn.DeviceName))
{
screen_list.Add(scrn_info);
bool screen_enabled = Boolean.Parse(screen.Element("enabled").Value);
if (screen_enabled)
{
scrn_info.Show = true;
}
break;
}
}
}
catch (FormatException)
{ use_default_values = ExceptionMessageBox(FormatExceptionMessage, "Warning: FormatException"); }
catch (OverflowException)
{ use_default_values = ExceptionMessageBox(OverflowExceptionMessage, "Warning: OverflowException"); }
catch (ArgumentOutOfRangeException)
{ use_default_values = ExceptionMessageBox(ArgumentOutOfRangeExceptionMessage, "Warning: ArgumentOutOfRangeException"); }
}
// if there was an error in the XML file, recreate screen_list using AllScreens
if (use_default_values)
{
ClearScreenList();
DetectScreens();
SaveSettings();
}
InitializeForm();
InitializeTabs();
InitializeTimer();
}