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Only change cursor when navigation possible

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This commit is contained in:
Jaex 2022-03-24 10:37:53 +03:00
parent adf9b6b390
commit 3d57d05895
1 changed files with 19 additions and 20 deletions
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39
ShareX.HelpersLib/Forms/ImageViewer.cs
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@ -34,8 +34,10 @@ public class ImageViewer : Form
{
public Image CurrentImage { get; private set; }
public string CurrentImageFilePath { get; private set; }
public bool SupportImageNavigation => Images != null && Images.Length > 1;
public bool SupportWrap { get; set; }
public bool CanNavigate => Images != null && Images.Length > 1;
public bool CanNavigateLeft => CanNavigate && (SupportWrap || CurrentImageIndex > 0);
public bool CanNavigateRight => CanNavigate && (SupportWrap || CurrentImageIndex < Images.Length - 1);
public string[] Images { get; private set; }
public int CurrentImageIndex { get; private set; }
@ -81,7 +83,7 @@ private void LoadCurrentImage()
private void NavigateImage(int position)
{
if (SupportImageNavigation)
if (CanNavigate)
{
int nextImageIndex = CurrentImageIndex + position;
@ -140,7 +142,7 @@ private void FilterImageFiles()
private void UpdateIndexLabel()
{
if (SupportImageNavigation)
if (CanNavigate)
{
string status = CurrentImageIndex + 1 + " / " + Images.Length;
string fileName = Helpers.GetFileNameSafe(CurrentImageFilePath);
@ -210,11 +212,11 @@ private void ImageViewer_Deactivate(object sender, EventArgs e)
private void pbPreview_MouseDown(object sender, MouseEventArgs e)
{
if (SupportImageNavigation && e.Location.X < ClientSize.Width * navigationAreaSize)
if (CanNavigateLeft && e.Location.X < ClientSize.Width * navigationAreaSize)
{
NavigateImage(-1);
}
else if (SupportImageNavigation && e.Location.X > ClientSize.Width * (1 - navigationAreaSize))
else if (CanNavigateRight && e.Location.X > ClientSize.Width * (1 - navigationAreaSize))
{
NavigateImage(1);
}
@ -226,30 +228,27 @@ private void pbPreview_MouseDown(object sender, MouseEventArgs e)
private void pbPreview_MouseMove(object sender, MouseEventArgs e)
{
if (SupportImageNavigation)
if (CanNavigateLeft && e.Location.X < ClientSize.Width * navigationAreaSize)
{
if (e.Location.X < ClientSize.Width * navigationAreaSize)
{
Cursor = Cursors.PanWest;
}
else if (e.Location.X > ClientSize.Width * (1 - navigationAreaSize))
{
Cursor = Cursors.PanEast;
}
else
{
Cursor = Cursors.Hand;
}
Cursor = Cursors.PanWest;
}
else if (CanNavigateRight && e.Location.X > ClientSize.Width * (1 - navigationAreaSize))
{
Cursor = Cursors.PanEast;
}
else
{
Cursor = Cursors.Hand;
}
}
private void pbPreview_MouseWheel(object sender, MouseEventArgs e)
{
if (e.Delta > 0)
if (CanNavigateLeft && e.Delta > 0)
{
NavigateImage(-1);
}
else if (e.Delta < 0)
else if (CanNavigateRight && e.Delta < 0)
{
NavigateImage(1);
}