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MaterialTabSelector : Add mouse over effect & hand cursor #131

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merged 2 commits into from
Jan 21, 2021
Merged

MaterialTabSelector : Add mouse over effect & hand cursor #131

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MaterialTabSelector : Add mouse over effect & hand cursor
orapps44 Jan 20, 2021
b7713d6
Update MaterialTabSelector.cs
orapps44 Jan 21, 2021
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36 changes: 36 additions & 0 deletions MaterialSkin/Controls/MaterialTabSelector.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,8 @@ public MaterialTabControl BaseTabControl

private const int TAB_HEADER_PADDING = 24;

private int _tab_over_index = -1;

private int _tab_indicator_height;

[Category("Material Skin"), Browsable(true), DisplayName("Tab Indicator Height"), DefaultValue(2)]
Expand All @@ -75,6 +77,7 @@ public MaterialTabSelector()
{
SetStyle(ControlStyles.DoubleBuffer | ControlStyles.OptimizedDoubleBuffer, true);
Height = 48;
TabIndicatorHeight = 2;

_animationManager = new AnimationManager
{
Expand Down Expand Up @@ -117,6 +120,12 @@ protected override void OnPaint(PaintEventArgs e)
}

//Draw tab headers
if (_tab_over_index >= 0)
{
//Change mouse over tab background color
g.FillRectangle(SkinManager.BackgroundHoverBrush , _tabRects[_tab_over_index].X, _tabRects[_tab_over_index].Y , _tabRects[_tab_over_index].Width, _tabRects[_tab_over_index].Height - _tab_indicator_height);
}

foreach (TabPage tabPage in _baseTabControl.TabPages)
{
var currentTabIndex = _baseTabControl.TabPages.IndexOf(tabPage);
Expand Down Expand Up @@ -182,6 +191,33 @@ protected override void OnMouseUp(MouseEventArgs e)
_animationSource = e.Location;
}

protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);

if (DesignMode)
return;

if (_tabRects == null)
UpdateTabRects();

int old_tab_over_index = _tab_over_index;
_tab_over_index = -1;
for (var i = 0; i < _tabRects.Count; i++)
{
if (_tabRects[i].Contains(e.Location))
{
Cursor = Cursors.Hand;
_tab_over_index = i;
break;
}
}
if (_tab_over_index == -1)
Cursor = Cursors.Arrow;
if (old_tab_over_index != _tab_over_index)
Invalidate();
}

private void UpdateTabRects()
{
_tabRects = new List<Rectangle>();
Expand Down