public void SetBorderBrush(RadialGradientPaint radialGradientPaint)
{
_strokeColor = null;
_stroke = radialGradientPaint;
SetNeedsDisplay();
}
public static void UpdateCancelButton(this UISearchBar uiSearchBar, ISearchBar searchBar,
UIColor?cancelButtonTextColorDefaultNormal, UIColor?cancelButtonTextColorDefaultHighlighted, UIColor?cancelButtonTextColorDefaultDisabled)
{
uiSearchBar.ShowsCancelButton = !string.IsNullOrEmpty(uiSearchBar.Text);
// We can't cache the cancel button reference because iOS drops it when it's not displayed
// and creates a brand new one when necessary, so we have to look for it each time
var cancelButton = uiSearchBar.FindDescendantView <UIButton>();
if (cancelButton == null)
{
return;
}
if (searchBar.CancelButtonColor == null)
{
cancelButton.SetTitleColor(cancelButtonTextColorDefaultNormal, UIControlState.Normal);
cancelButton.SetTitleColor(cancelButtonTextColorDefaultHighlighted, UIControlState.Highlighted);
cancelButton.SetTitleColor(cancelButtonTextColorDefaultDisabled, UIControlState.Disabled);
}
else
{
cancelButton.SetTitleColor(searchBar.CancelButtonColor.ToNative(), UIControlState.Normal);
cancelButton.SetTitleColor(searchBar.CancelButtonColor.ToNative(), UIControlState.Highlighted);
cancelButton.SetTitleColor(searchBar.CancelButtonColor.ToNative(), UIControlState.Disabled);
}
}
public void SetBackground(RadialGradientPaint radialGradientPaint)
{
_backgroundColor = null;
_background = radialGradientPaint;
SetNeedsDisplay();
}
public void SetBorderBrush(LinearGradientPaint linearGradientPaint)
{
_strokeColor = null;
_stroke = linearGradientPaint;
SetNeedsDisplay();
}
public void SetBackground(LinearGradientPaint linearGradientPaint)
{
_backgroundColor = null;
_background = linearGradientPaint;
SetNeedsDisplay();
}
protected override void SetupDefaults(UIButton nativeView)
{
ButtonTextColorDefaultNormal = nativeView.TitleColor(UIControlState.Normal);
ButtonTextColorDefaultHighlighted = nativeView.TitleColor(UIControlState.Highlighted);
ButtonTextColorDefaultDisabled = nativeView.TitleColor(UIControlState.Disabled);
base.SetupDefaults(nativeView);
}
public static void UpdateThumbColor(this UISwitch uiSwitch, ISwitch view, UIColor?defaultThumbColor)
{
if (view == null)
{
return;
}
Maui.Color thumbColor = view.ThumbColor;
uiSwitch.ThumbTintColor = thumbColor.IsDefault ? defaultThumbColor : thumbColor.ToNative();
}
public static void UpdateThumbColor(this UISwitch uiSwitch, ISwitch view, UIColor?defaultThumbColor)
{
if (view == null)
{
return;
}
Graphics.Color thumbColor = view.ThumbColor;
uiSwitch.ThumbTintColor = thumbColor?.ToPlatform() ?? defaultThumbColor;
}
public void SetBorderBrush(SolidPaint solidPaint)
{
_strokeColor = solidPaint.Color == null
? UIColor.Clear
: solidPaint.Color.ToNative();
_stroke = null;
SetNeedsDisplay();
}
public void SetBackground(SolidPaint solidPaint)
{
if (solidPaint.Color == null)
SetDefaultBackgroundColor();
else
_backgroundColor = solidPaint.Color.ToPlatform();
_background = null;
SetNeedsDisplay();
}
public static void UpdateThumbColor(this UISlider uiSlider, ISlider slider, UIColor?defaultThumbColor)
{
if (slider.ThumbColor == Color.Default)
{
uiSlider.ThumbTintColor = defaultThumbColor;
}
else
{
uiSlider.ThumbTintColor = slider.ThumbColor.ToNative();
}
}
public static void UpdateThumbColor(this UISlider uiSlider, ISlider slider, UIColor?defaultThumbColor)
{
if (slider.ThumbColor == null)
{
uiSlider.ThumbTintColor = defaultThumbColor;
}
else
{
uiSlider.ThumbTintColor = slider.ThumbColor.ToPlatform();
}
}
protected override void OnElementChanged(ElementChangedEventArgs <DrawingView> e)
{
base.OnElementChanged(e);
if (Element != null)
{
BackgroundColor = Element.BackgroundColor.ToUIColor();
currentPath.LineWidth = Element.DefaultLineWidth;
lineColor = Element.DefaultLineColor.ToUIColor();
Element.Lines.CollectionChanged += OnLinesCollectionChanged;
}
}
void SetupDefaults(UISearchBar nativeView)
{
_defaultTextColor = QueryEditor?.TextColor;
var cancelButton = nativeView.FindDescendantView <UIButton>();
if (cancelButton != null)
{
_cancelButtonTextColorDefaultNormal = cancelButton.TitleColor(UIControlState.Normal);
_cancelButtonTextColorDefaultHighlighted = cancelButton.TitleColor(UIControlState.Highlighted);
_cancelButtonTextColorDefaultDisabled = cancelButton.TitleColor(UIControlState.Disabled);
}
}
public static void UpdateTextColor(this UITextField textField, IEntry entry, UIColor?defaultTextColor)
{
if (entry.TextColor == Color.Default)
{
if (defaultTextColor != null)
{
textField.TextColor = defaultTextColor;
}
}
else
{
textField.TextColor = entry.TextColor.ToNative();
}
}
public void SetBackground(SolidPaint solidPaint)
{
if (solidPaint.Color == null)
{
SetDefaultBackgroundColor();
}
else
{
_backgroundColor = solidPaint.Color.ToNative();
}
_background = null;
SetNeedsDisplay();
}
protected override MauiTextField CreateNativeView()
{
var nativeEntry = new MauiTextField
{
BorderStyle = UITextBorderStyle.RoundedRect,
ClipsToBounds = true
};
_defaultTextColor = nativeEntry.TextColor;
// Placeholder default color is 70% gray
// https://developer.apple.com/library/prerelease/ios/documentation/UIKit/Reference/UITextField_Class/index.html#//apple_ref/occ/instp/UITextField/placeholder
_defaultPlaceholderColor = ColorExtensions.SeventyPercentGrey.ToColor();
return(nativeEntry);
}
public static bool ARGBEquivalent(UIColor?color1, UIColor?color2, double tolerance = Tolerance)
{
if (color1 == null && color2 == null)
{
return(true);
}
if (color1 == null || color2 == null)
{
return(false);
}
color1.GetRGBA(out nfloat red1, out nfloat green1, out nfloat blue1, out nfloat alpha1);
color2.GetRGBA(out nfloat red2, out nfloat green2, out nfloat blue2, out nfloat alpha2);
return(Equal(red1, red2, tolerance) &&
Equal(green1, green2, tolerance) &&
Equal(blue1, blue2, tolerance) &&
Equal(alpha1, alpha2, tolerance));
}
public static void UpdateTrackColor(this UISwitch uiSwitch, ISwitch view, UIColor?defaultOnTrackColor, UIColor?defaultOffTrackColor)
{
if (view == null)
{
return;
}
if (view.TrackColor == Maui.Color.Default)
{
uiSwitch.OnTintColor = defaultOnTrackColor;
}
else
{
uiSwitch.OnTintColor = view.TrackColor.ToNative();
}
UIView uIView;
if (NativeVersion.IsAtLeast(13))
{
uIView = uiSwitch.Subviews[0].Subviews[0];
}
else
{
uIView = uiSwitch.Subviews[0].Subviews[0].Subviews[0];
}
if (view.TrackColor == Maui.Color.Default)
{
uIView.BackgroundColor = defaultOffTrackColor;
}
else
{
uIView.BackgroundColor = uiSwitch.OnTintColor;
}
}
public static void UpdatePlaceholderColor(this MauiTextView textView, IEditor editor, UIColor?defaultPlaceholderColor)
{
Color placeholderColor = editor.PlaceholderColor;
if (placeholderColor.IsDefault)
{
textView.PlaceholderTextColor = defaultPlaceholderColor;
}
else
{
textView.PlaceholderTextColor = placeholderColor.ToNative();
}
}
public static void UpdateTextColor(this MauiDatePicker platformDatePicker, IDatePicker datePicker, UIColor?defaultTextColor)
{
var textColor = datePicker.TextColor;
if (textColor == null)
{
platformDatePicker.TextColor = defaultTextColor;
}
else
{
platformDatePicker.TextColor = textColor.ToPlatform();
}
// HACK This forces the color to update; there's probably a more elegant way to make this happen
platformDatePicker.UpdateDate(datePicker);
}
void SetupDefaults(MauiTimePicker nativeView)
{
DefaultTextColor = nativeView.TextColor;
}
public static void UpdateMaximumTrackColor(this UISlider uiSlider, ISlider slider, UIColor?defaultMaxTrackColor)
{
if (slider.MaximumTrackColor == Color.Default)
{
uiSlider.MaximumTrackTintColor = defaultMaxTrackColor;
}
else
{
uiSlider.MaximumTrackTintColor = slider.MaximumTrackColor.ToNative();
}
}
internal static void UpdateiOS15TabBarAppearance(
this UITabBar tabBar,
ref UITabBarAppearance _tabBarAppearance,
UIColor?defaultBarColor,
UIColor?defaultBarTextColor,
Color?selectedTabColor,
Color?unselectedTabColor,
Color?barBackgroundColor,
Color?barTextColor)
{
if (_tabBarAppearance == null)
{
_tabBarAppearance = new UITabBarAppearance();
_tabBarAppearance.ConfigureWithDefaultBackground();
}
var effectiveBarColor = (barBackgroundColor == null) ? defaultBarColor : barBackgroundColor.ToPlatform();
// Set BarBackgroundColor
if (effectiveBarColor != null)
{
_tabBarAppearance.BackgroundColor = effectiveBarColor;
}
// Set BarTextColor
var effectiveBarTextColor = (barTextColor == null) ? defaultBarTextColor : barTextColor.ToPlatform();
if (effectiveBarTextColor != null)
{
_tabBarAppearance.StackedLayoutAppearance.Normal.TitleTextAttributes = new UIStringAttributes
{
ForegroundColor = effectiveBarTextColor
};
}
// Update colors for all variations of the appearance to also make it work for iPads, etc. which use different layouts for the tabbar
// Also, set ParagraphStyle explicitly. This seems to be an iOS bug. If we don't do this, tab titles will be truncat...
// Set SelectedTabColor
if (selectedTabColor != null)
{
var foregroundColor = selectedTabColor.ToPlatform();
_tabBarAppearance.StackedLayoutAppearance.Selected.TitleTextAttributes = new UIStringAttributes {
ForegroundColor = foregroundColor, ParagraphStyle = NSParagraphStyle.Default
};
_tabBarAppearance.StackedLayoutAppearance.Selected.IconColor = foregroundColor;
_tabBarAppearance.InlineLayoutAppearance.Selected.TitleTextAttributes = new UIStringAttributes {
ForegroundColor = foregroundColor, ParagraphStyle = NSParagraphStyle.Default
};
_tabBarAppearance.InlineLayoutAppearance.Selected.IconColor = foregroundColor;
_tabBarAppearance.CompactInlineLayoutAppearance.Selected.TitleTextAttributes = new UIStringAttributes {
ForegroundColor = foregroundColor, ParagraphStyle = NSParagraphStyle.Default
};
_tabBarAppearance.CompactInlineLayoutAppearance.Selected.IconColor = foregroundColor;
}
else
{
var foregroundColor = UITabBar.Appearance.TintColor;
_tabBarAppearance.StackedLayoutAppearance.Selected.TitleTextAttributes = new UIStringAttributes {
ForegroundColor = foregroundColor, ParagraphStyle = NSParagraphStyle.Default
};
_tabBarAppearance.StackedLayoutAppearance.Selected.IconColor = foregroundColor;
_tabBarAppearance.InlineLayoutAppearance.Selected.TitleTextAttributes = new UIStringAttributes {
ForegroundColor = foregroundColor, ParagraphStyle = NSParagraphStyle.Default
};
_tabBarAppearance.InlineLayoutAppearance.Selected.IconColor = foregroundColor;
_tabBarAppearance.CompactInlineLayoutAppearance.Selected.TitleTextAttributes = new UIStringAttributes {
ForegroundColor = foregroundColor, ParagraphStyle = NSParagraphStyle.Default
};
_tabBarAppearance.CompactInlineLayoutAppearance.Selected.IconColor = foregroundColor;
}
// Set UnselectedTabColor
if (unselectedTabColor != null)
{
var foregroundColor = unselectedTabColor.ToPlatform();
_tabBarAppearance.StackedLayoutAppearance.Normal.TitleTextAttributes = new UIStringAttributes {
ForegroundColor = foregroundColor, ParagraphStyle = NSParagraphStyle.Default
};
_tabBarAppearance.StackedLayoutAppearance.Normal.IconColor = foregroundColor;
_tabBarAppearance.InlineLayoutAppearance.Normal.TitleTextAttributes = new UIStringAttributes {
ForegroundColor = foregroundColor, ParagraphStyle = NSParagraphStyle.Default
};
_tabBarAppearance.InlineLayoutAppearance.Normal.IconColor = foregroundColor;
_tabBarAppearance.CompactInlineLayoutAppearance.Normal.TitleTextAttributes = new UIStringAttributes {
ForegroundColor = foregroundColor, ParagraphStyle = NSParagraphStyle.Default
};
_tabBarAppearance.CompactInlineLayoutAppearance.Normal.IconColor = foregroundColor;
}
else
{
var foreground = UITabBar.Appearance.TintColor;
_tabBarAppearance.StackedLayoutAppearance.Normal.TitleTextAttributes = new UIStringAttributes {
ForegroundColor = foreground, ParagraphStyle = NSParagraphStyle.Default
};
_tabBarAppearance.StackedLayoutAppearance.Normal.IconColor = foreground;
_tabBarAppearance.InlineLayoutAppearance.Normal.TitleTextAttributes = new UIStringAttributes {
ForegroundColor = foreground, ParagraphStyle = NSParagraphStyle.Default
};
_tabBarAppearance.InlineLayoutAppearance.Normal.IconColor = foreground;
_tabBarAppearance.CompactInlineLayoutAppearance.Normal.TitleTextAttributes = new UIStringAttributes {
ForegroundColor = foreground, ParagraphStyle = NSParagraphStyle.Default
};
_tabBarAppearance.CompactInlineLayoutAppearance.Normal.IconColor = foreground;
}
// Set the TabBarAppearance
tabBar.StandardAppearance = tabBar.ScrollEdgeAppearance = _tabBarAppearance;
}
public static void UpdateTextColor(this UIButton nativeButton, IButton button, UIColor?buttonTextColorDefaultNormal, UIColor?buttonTextColorDefaultHighlighted, UIColor?buttonTextColorDefaultDisabled)
{
if (button.TextColor == Color.Default)
{
nativeButton.SetTitleColor(buttonTextColorDefaultNormal, UIControlState.Normal);
nativeButton.SetTitleColor(buttonTextColorDefaultHighlighted, UIControlState.Highlighted);
nativeButton.SetTitleColor(buttonTextColorDefaultDisabled, UIControlState.Disabled);
}
else
{
var color = button.TextColor.ToNative();
nativeButton.SetTitleColor(color, UIControlState.Normal);
nativeButton.SetTitleColor(color, UIControlState.Highlighted);
nativeButton.SetTitleColor(color, UIControlState.Disabled);
nativeButton.TintColor = color;
}
}
protected override void SetupDefaults(UISwitch nativeView)
{
DefaultOnTrackColor = UISwitch.Appearance.OnTintColor;
DefaultOffTrackColor = nativeView.GetOffTrackColor();
DefaultThumbColor = UISwitch.Appearance.ThumbTintColor;
}
protected override void SetupDefaults(UISlider nativeView)
{
DefaultMinTrackColor = nativeView.MinimumTrackTintColor;
DefaultMaxTrackColor = nativeView.MaximumTrackTintColor;
DefaultThumbColor = nativeView.ThumbTintColor;
}
public bool Equals(UIColor?x, UIColor?y) => ARGBEquivalent(x, y);
public static void UpdateTextColor(this UILabel nativeLabel, ITextStyle textStyle, UIColor?defaultColor = null)
{
// Default value of color documented to be black in iOS docs
var textColor = textStyle.TextColor;
nativeLabel.TextColor = textColor.ToNative(defaultColor ?? ColorExtensions.LabelColor);
}
protected override void SetupDefaults(MauiTextField nativeView)
{
DefaultTextColor = nativeView.TextColor;
}