Ejemplo n.º 1
0
        void UpdateAppearance(ShellAppearance appearance)
        {
            var tabBarBackgroundColor = ShellRenderer.DefaultBackgroundColor;
            var tabBarForegroundColor = ShellRenderer.DefaultForegroundColor;
            var titleColor            = ShellRenderer.DefaultTitleColor;

            if (appearance != null)
            {
                var a = (IShellAppearanceElement)appearance;
                tabBarBackgroundColor = a.EffectiveTabBarBackgroundColor.ToWindowsColor();
                tabBarForegroundColor = a.EffectiveTabBarForegroundColor.ToWindowsColor();
                if (!appearance.TitleColor.IsDefault())
                {
                    titleColor = appearance.TitleColor.ToWindowsColor();
                }
            }
            _BottomBarArea.Background = _HeaderArea.Background =
                new UwpSolidColorBrush(tabBarBackgroundColor);
            _Title.Foreground = new UwpSolidColorBrush(titleColor);
            var tabbarForeground = new UwpSolidColorBrush(tabBarForegroundColor);

            foreach (var button in _BottomBar.Children.OfType <AppBarButton>())
            {
                button.Foreground = tabbarForeground;
            }
            if (SectionRenderer is IAppearanceObserver iao)
            {
                iao.OnAppearanceChanged(appearance);
            }
        }
Ejemplo n.º 2
0
        protected override void UpdateBackgroundColor()
        {
            base.UpdateBackgroundColor();

            if (GetValue(BackgroundProperty) == null && Children.Count == 0)
            {
                // Forces the layout to take up actual space if it's otherwise empty
                Background = new WSolidColorBrush(Colors.Transparent);
            }
        }
Ejemplo n.º 3
0
        void MakeInputVisible(Brush?background)
        {
            // If we aren't input transparent, we don't need the background layer hack
            RemoveBackgroundLayer();

            if (background == null)
            {
                // We can't have a null background, because that would allow input through
                // So we'll make the background color transparent (visually the same as null, but consumes input)
                background = new WSolidColorBrush(UI.Colors.Transparent);
            }

            Background = background;
        }
Ejemplo n.º 4
0
        void UpdateAppearance(ShellAppearance appearance)
        {
            var tabBarBackgroundColor = ShellView.DefaultBackgroundColor;
            var tabBarForegroundColor = ShellView.DefaultForegroundColor;
            var titleColor            = ShellView.DefaultTitleColor;

            if (appearance != null)
            {
                var a = (IShellAppearanceElement)appearance;

                if (a.EffectiveTabBarBackgroundColor != null)
                {
                    tabBarBackgroundColor = a.EffectiveTabBarBackgroundColor.ToWindowsColor();
                }

                if (a.EffectiveTabBarForegroundColor != null)
                {
                    tabBarForegroundColor = a.EffectiveTabBarForegroundColor.ToWindowsColor();
                }

                if (!appearance.TitleColor.IsDefault())
                {
                    titleColor = appearance.TitleColor.ToWindowsColor();
                }
            }

            _HeaderArea.Background = new UwpSolidColorBrush(tabBarBackgroundColor);

            // Only color the bottom area if there are tabs present
            if (ShellItem?.Items.Count > 1)
            {
                _BottomBarArea.Background =
                    new UwpSolidColorBrush(tabBarBackgroundColor);
            }

            _Title.Foreground = new UwpSolidColorBrush(titleColor);
            var tabbarForeground = new UwpSolidColorBrush(tabBarForegroundColor);

            foreach (var button in _BottomBar.Children.OfType <AppBarButton>())
            {
                button.Foreground = tabbarForeground;
            }
            if (SectionView is IAppearanceObserver iao)
            {
                iao.OnAppearanceChanged(appearance);
            }
        }
Ejemplo n.º 5
0
        public object Convert(object value, Type targetType, object parameter, string language)
        {
            WSolidColorBrush brush = null;

            var element = value as FrameworkElement;

            if (element != null)
            {
                while (brush == null && element != null)
                {
                    DependencyProperty property = GetBackgroundProperty(element);
                    if (property != null)
                    {
                        value = element.GetValue(property);
                        brush = value as WSolidColorBrush;
                        if (brush != null && brush.Color == Colors.Transparent)
                        {
                            brush = null;
                        }
                    }

                    element = VisualTreeHelper.GetParent(element) as FrameworkElement;
                }
            }

            brush = value as WSolidColorBrush;
            if (brush != null)
            {
                Maui.Graphics.Color color = brush.ToFormsColor();

                double delta = Shift;
                if (color.GetLuminosity() > .6)
                {
                    delta = -Shift;
                }

                color = color.AddLuminosity((float)delta);

                return(new WSolidColorBrush(color.ToWindowsColor()));
            }

            return(null);
        }