/// <summary>
/// On first shown, focus the window.
/// Could be unfocused if an OpenFileDialog was first opened.
/// </summary>
protected override void OnShown(EventArgs e)
{
base.OnShown(e);
this.Activate();
this.BringToFront();
UpdateImage(1);
ImageBox.ShowMessage("Press H for help", 1000);
}
private void AutoPlay()
{
if (_autoPlayTimer == null)
{
_autoPlayTimer = new Timer
{
Interval = 2000
};
_autoPlayTimer.Tick += (s, e) =>
{
NextImage();
};
}
if (_autoPlayTimer.Enabled)
{
_autoPlayTimer.Stop();
ImageBox.ShowMessage("Autoplay OFF", 900);
}
else
{
_autoPlayTimer.Start();
ImageBox.ShowMessage("Autoplay ON", 900);
}
}
/// <summary>
/// Hotkeys
/// </summary>
protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
switch (keyData)
{
// Left: previous image
case Keys.Left:
PreviousImage();
return(true);
// Right: next image
case Keys.Right:
NextImage();
return(true);
// "R": Rotate image
case Keys.R:
RotateImage();
return(true);
// [shift][R]: Rotate image CCW
case Keys.R | Keys.Shift:
RotateImageInv();
return(true);
// [F]: Toggle fullscreen
case Keys.F:
ToggleFullScreen();
return(true);
// [Esc] close topmost -> quit
case Keys.Escape:
if (this.TopMost)
{
ToggleFullScreen();
}
else
{
this.Close();
}
return(true);
// [H]: Show help text
case Keys.H:
if (ImageBox.HasMessage)
{
ImageBox.HideMessage();
}
else
{
ImageBox.ShowMessage(Program.GetResource("helptext.txt"), 10000);
}
return(true);
// [Q]: Quit
case Keys.Q:
this.Close();
return(true);
// [T] Toggle topmost
case Keys.T:
this.TopMost = !this.TopMost;
return(true);
// 1 : Switch between 100% and best fit
case Keys.D1:
if (ImageBox.Zoom != 1)
{
ImageBox.Zoom = 1;
}
else
{
ImageBox.Zoom = 0;
ImageBox.ResetTransform();
}
return(true);
// [B] Toggle borderless
case Keys.B:
ToggleBorderless();
return(true);
// [C] Copy file name
case Keys.C:
Clipboard.SetText(currentFile);
return(true);
// [A] Toggle autoplay
case Keys.A:
AutoPlay();
return(true);
}
return(base.ProcessCmdKey(ref msg, keyData));
}