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Automatically sort gradient stops

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This commit is contained in:
Jaex 2020-06-08 23:55:36 +03:00
parent b2ed185166
commit c7a4b7a010
2 changed files with 85 additions and 25 deletions
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5
ShareX.HelpersLib/Colors/GradientInfo.cs
View file

@ -46,6 +46,11 @@ public GradientInfo()
Colors = new List<GradientStop>();
}
public void Sort()
{
Colors.Sort((x, y) => x.Location.CompareTo(y.Location));
}
public void Draw(Graphics g, Rectangle rect)
{
if (IsValid)

105
ShareX.HelpersLib/Forms/GradientPickerForm.cs
View file

@ -45,10 +45,20 @@ public GradientPickerForm(GradientInfo gradient)
cbGradientType.Items.AddRange(Helpers.GetEnumNamesProper<LinearGradientMode>());
cbGradientType.SelectedIndex = (int)Gradient.Type;
UpdateGradientList();
}
private void UpdateGradientList()
{
Gradient.Sort();
isReady = false;
lvGradientPoints.Items.Clear();
foreach (GradientStop gradientStop in Gradient.Colors)
{
AddGradientStop(gradientStop);
}
isReady = true;
UpdatePreview();
}
@ -73,12 +83,6 @@ private void UpdatePreview()
}
}
private void cbGradientType_SelectedIndexChanged(object sender, EventArgs e)
{
Gradient.Type = (LinearGradientMode)cbGradientType.SelectedIndex;
UpdatePreview();
}
private void AddGradientStop(GradientStop gradientStop)
{
ListViewItem lvi = new ListViewItem();
@ -89,34 +93,80 @@ private void AddGradientStop(GradientStop gradientStop)
lvGradientPoints.Items.Add(lvi);
}
private GradientStop GetSelectedGradientStop()
{
return GetSelectedGradientStop(out _);
}
private GradientStop GetSelectedGradientStop(out ListViewItem lvi)
{
if (lvGradientPoints.SelectedItems.Count > 0)
{
lvi = lvGradientPoints.SelectedItems[0];
return lvi.Tag as GradientStop;
}
lvi = null;
return null;
}
private ListViewItem FindListViewItem(GradientStop gradientStop)
{
foreach (ListViewItem lvi in lvGradientPoints.Items)
{
GradientStop itemGradientstop = lvi.Tag as GradientStop;
if (itemGradientstop == gradientStop)
{
return lvi;
}
}
return null;
}
private ListViewItem SelectGradientStop(GradientStop gradientStop)
{
ListViewItem lvi = FindListViewItem(gradientStop);
if (lvi != null)
{
lvi.Selected = true;
}
return lvi;
}
private void cbGradientType_SelectedIndexChanged(object sender, EventArgs e)
{
Gradient.Type = (LinearGradientMode)cbGradientType.SelectedIndex;
UpdatePreview();
}
private void btnAdd_Click(object sender, EventArgs e)
{
Color color = cbtnCurrentColor.Color;
float offset = (float)nudLocation.Value;
GradientStop gradientStop = new GradientStop(color, offset);
Gradient.Colors.Add(gradientStop);
AddGradientStop(gradientStop);
UpdatePreview();
UpdateGradientList();
SelectGradientStop(gradientStop);
}
private void btnRemove_Click(object sender, EventArgs e)
{
if (lvGradientPoints.SelectedItems.Count > 0)
GradientStop gradientStop = GetSelectedGradientStop();
if (gradientStop != null)
{
ListViewItem lvi = lvGradientPoints.SelectedItems[0];
GradientStop gradientStop = (GradientStop)lvi.Tag;
Gradient.Colors.Remove(gradientStop);
lvGradientPoints.Items.Remove(lvi);
UpdatePreview();
UpdateGradientList();
}
}
private void cbtnCurrentColor_ColorChanged(Color color)
{
if (lvGradientPoints.SelectedItems.Count > 0)
GradientStop gradientStop = GetSelectedGradientStop(out ListViewItem lvi);
if (gradientStop != null)
{
ListViewItem lvi = lvGradientPoints.SelectedItems[0];
GradientStop gradientStop = (GradientStop)lvi.Tag;
gradientStop.Color = color;
lvi.BackColor = gradientStop.Color;
lvi.ForeColor = ColorHelpers.VisibleColor(gradientStop.Color);
@ -126,24 +176,29 @@ private void cbtnCurrentColor_ColorChanged(Color color)
private void nudLocation_ValueChanged(object sender, EventArgs e)
{
if (lvGradientPoints.SelectedItems.Count > 0)
if (isReady)
{
ListViewItem lvi = lvGradientPoints.SelectedItems[0];
GradientStop gradientStop = (GradientStop)lvi.Tag;
gradientStop.Location = (float)nudLocation.Value;
lvi.Text = string.Format(" {0:0.##}%", gradientStop.Location);
UpdatePreview();
GradientStop gradientStop = GetSelectedGradientStop(out ListViewItem lvi);
if (gradientStop != null)
{
gradientStop.Location = (float)nudLocation.Value;
UpdateGradientList();
SelectGradientStop(gradientStop);
}
}
}
private void lvGradientPoints_SelectedIndexChanged(object sender, EventArgs e)
{
if (lvGradientPoints.SelectedItems.Count > 0)
GradientStop gradientStop = GetSelectedGradientStop();
if (gradientStop != null)
{
ListViewItem lvi = lvGradientPoints.SelectedItems[0];
GradientStop gradientStop = (GradientStop)lvi.Tag;
isReady = false;
cbtnCurrentColor.Color = gradientStop.Color;
nudLocation.SetValue((decimal)gradientStop.Location);
isReady = true;
}
}