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Only change cursor when navigation possible

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This commit is contained in:
Jaex 2022-03-18 12:19:40 +03:00
parent d9fb2ebdf5
commit 154ba53110
1 changed files with 55 additions and 48 deletions
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25
ShareX.HelpersLib/Forms/ImageViewer.cs
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@ -34,7 +34,7 @@ public class ImageViewer : Form
{
public Image CurrentImage { get; private set; }
public string CurrentImageFilePath { get; private set; }
public bool SupportImageNavigation => Images != null && Images.Length > 0;
public bool SupportImageNavigation => Images != null && Images.Length > 1;
public bool SupportWrap { get; set; }
public string[] Images { get; private set; }
public int CurrentImageIndex { get; private set; }
@ -67,19 +67,20 @@ private void LoadImage(Image img)
private void LoadCurrentImage()
{
if (!SupportImageNavigation) return;
if (Images != null && Images.Length > 0)
{
CurrentImageIndex = CurrentImageIndex.Clamp(0, Images.Length - 1);
CurrentImageFilePath = Images[CurrentImageIndex];
Image img = ImageHelpers.LoadImage(CurrentImageFilePath);
LoadImage(img);
UpdateIndexLabel();
}
}
private void NavigateImage(int position)
{
if (!SupportImageNavigation || Images.Length < 2) return;
if (SupportImageNavigation)
{
int nextImageIndex = CurrentImageIndex + position;
if (SupportWrap)
@ -102,6 +103,7 @@ private void NavigateImage(int position)
LoadCurrentImage();
}
}
}
private void FilterImageFiles()
{
@ -136,8 +138,8 @@ private void FilterImageFiles()
private void UpdateIndexLabel()
{
if (!SupportImageNavigation || Images.Length < 2) return;
if (SupportImageNavigation)
{
string status = CurrentImageIndex + 1 + " / " + Images.Length;
string fileName = Helpers.GetFileNameSafe(CurrentImageFilePath);
if (!string.IsNullOrEmpty(fileName))
@ -148,6 +150,7 @@ private void UpdateIndexLabel()
lblStatus.Visible = true;
lblStatus.Location = new Point((ClientSize.Width - lblStatus.Width) / 2, -1);
}
}
public static void ShowImage(Image img)
{
@ -205,11 +208,11 @@ private void ImageViewer_Deactivate(object sender, EventArgs e)
private void pbPreview_MouseDown(object sender, MouseEventArgs e)
{
if (e.Location.X < ClientSize.Width * 0.2)
if (SupportImageNavigation && e.Location.X < ClientSize.Width * 0.2)
{
NavigateImage(-1);
}
else if (e.Location.X > ClientSize.Width * 0.8)
else if (SupportImageNavigation && e.Location.X > ClientSize.Width * 0.8)
{
NavigateImage(1);
}
@ -220,6 +223,8 @@ private void pbPreview_MouseDown(object sender, MouseEventArgs e)
}
private void pbPreview_MouseMove(object sender, MouseEventArgs e)
{
if (SupportImageNavigation)
{
if (e.Location.X < ClientSize.Width * 0.2)
{
@ -234,6 +239,7 @@ private void pbPreview_MouseMove(object sender, MouseEventArgs e)
Cursor = Cursors.Hand;
}
}
}
private void pbPreview_MouseWheel(object sender, MouseEventArgs e)
{
@ -300,6 +306,7 @@ private void InitializeComponent()
BackColor = SystemColors.Window;
Bounds = CaptureHelpers.GetActiveScreenBounds();
Cursor = Cursors.Hand;
DoubleBuffered = true;
FormBorderStyle = FormBorderStyle.None;
// TODO: Translate