//private double last_invalidate_value = -1;
/*private void Invalidate ()
* {
* double current_value = (IsValueUpdatePending ? PendingValue : Value);
*
* // FIXME: Something is wrong with the updating below causing an
* // invalid region when IsValueUpdatePending is true, so when
* // that is the case for now, we trigger a full invalidation
* if (last_invalidate_value < 0 || IsValueUpdatePending) {
* last_invalidate_value = current_value;
* InvalidateRender ();
* return;
* }
*
* double max = Math.Max (last_invalidate_value, current_value) * RenderSize.Width;
* double min = Math.Min (last_invalidate_value, current_value) * RenderSize.Width;
*
* Rect region = new Rect (
* InvalidationRect.X + min,
* InvalidationRect.Y,
* (max - min) + 2 * ThrobberSize,
* InvalidationRect.Height
* );
*
* last_invalidate_value = current_value;
* InvalidateRender (region);
* }*/
/*protected override Rect InvalidationRect {
* get { return new Rect (
* -Margin.Left - ThrobberSize / 2,
* -Margin.Top,
* Allocation.Width + ThrobberSize,
* Allocation.Height);
* }
* }*/
protected override void ClippedRender(Cairo.Context cr)
{
double throbber_r = ThrobberSize / 2.0;
double throbber_x = Math.Round(RenderSize.Width * (IsValueUpdatePending ? PendingValue : Value));
double throbber_y = (Allocation.Height - ThrobberSize) / 2.0 - Margin.Top + throbber_r;
double bar_w = RenderSize.Width * Value;
cr.SetSourceColor(Theme.Colors.GetWidgetColor(GtkColorClass.Base, Gtk.StateType.Normal));
cr.Rectangle(0, 0, RenderSize.Width, RenderSize.Height);
cr.Fill();
Color color = Theme.Colors.GetWidgetColor(GtkColorClass.Dark, Gtk.StateType.Active);
Color fill_color = CairoExtensions.ColorShade(color, 0.4);
Color light_fill_color = CairoExtensions.ColorShade(color, 0.3);
fill_color.A = 1.0;
light_fill_color.A = 1.0;
LinearGradient fill = new LinearGradient(0, 0, 0, RenderSize.Height);
fill.AddColorStop(0, light_fill_color);
fill.AddColorStop(0.5, fill_color);
fill.AddColorStop(1, light_fill_color);
cr.Rectangle(0, 0, bar_w, RenderSize.Height);
cr.SetSource(fill);
cr.Fill();
cr.SetSourceColor(fill_color);
cr.Arc(throbber_x, throbber_y, throbber_r, 0, Math.PI * 2);
cr.Fill();
}
public void DrawHeaderBackground(Cairo.Context cr, Gdk.Rectangle alloc)
{
/*Cairo.Color gtk_background_color = Colors.GetWidgetColor (GtkColorClass.Background, StateType.Normal);
* Cairo.Color light_color = CairoExtensions.ColorShade (gtk_background_color, 1.1);
* Cairo.Color dark_color = CairoExtensions.ColorShade (gtk_background_color, 0.95);
*
* CairoCorners corners = CairoCorners.TopLeft | CairoCorners.TopRight;
*
* LinearGradient grad = new LinearGradient (alloc.X, alloc.Y, alloc.X, alloc.Bottom);
* grad.AddColorStop (0, light_color);
* grad.AddColorStop (0.75, dark_color);
* grad.AddColorStop (0, light_color);
*
* cr.Pattern = grad;
* CairoExtensions.RoundedRectangle (cr, alloc.X, alloc.Y, alloc.Width, alloc.Height, Context.Radius, corners);
* cr.Fill ();
*
* cr.Color = border_color;
* cr.Rectangle (alloc.X, alloc.Bottom, alloc.Width, BorderWidth);
* cr.Fill ();
* grad.Destroy ();*/
Cairo.Color gtk_background_color = CairoExtensions.GdkRGBAToCairoColor(widget.StyleContext.GetBackgroundColor(StateFlags.Normal));
Cairo.Color dark_color = CairoExtensions.ColorShade(gtk_background_color, 0.80);
cr.SetSourceColor(dark_color);
cr.MoveTo(alloc.X, alloc.Bottom + 0.5);
cr.LineTo(alloc.Right, alloc.Bottom + 0.5);
cr.LineWidth = 1.0;
cr.Stroke();
}
public void DrawRowSelection(Cairo.Context cr, int x, int y, int width, int height,
bool filled, bool stroked, Cairo.Color color, CairoCorners corners)
{
color.A *= 0.85;
Cairo.Color selection_color = color;
Cairo.Color selection_stroke = CairoExtensions.ColorShade(selection_color, 0.85);
selection_stroke.A = color.A;
if (filled)
{
Cairo.Color selection_fill_light = CairoExtensions.ColorShade(selection_color, 1.05);
Cairo.Color selection_fill_dark = selection_color;
selection_fill_light.A = color.A;
selection_fill_dark.A = color.A;
LinearGradient grad = new LinearGradient(x, y, x, y + height);
grad.AddColorStop(0, selection_fill_dark);
grad.AddColorStop(1, selection_fill_light);
cr.SetSource(grad);
cr.Rectangle(x, y, width, height);
cr.Fill();
grad.Dispose();
}
if (stroked && !filled)
{
cr.LineWidth = 1.0;
cr.SetSourceColor(selection_stroke);
cr.Rectangle(x + 0.5, y + 0.5, width - 1, height - 1);
cr.Stroke();
}
}
private void PaintDraggingColumn(Cairo.Context cr)
{
if (!pressed_column_is_dragging || pressed_column_index < 0)
{
return;
}
CachedColumn column = column_cache[pressed_column_index];
int x = pressed_column_x_drag + 1 - HadjustmentValue;
StyleContext.Save();
StyleContext.AddClass("entry");
Cairo.Color fill_color = CairoExtensions.GdkRGBAToCairoColor(StyleContext.GetBackgroundColor(StateFlags.Normal));
Cairo.Color stroke_color = CairoExtensions.ColorShade(fill_color, 0.0);
fill_color.A = 0.45;
stroke_color.A = 0.3;
StyleContext.Restore();
cr.Rectangle(x, header_rendering_alloc.Bottom + 1, column.Width - 2,
list_rendering_alloc.Bottom - header_rendering_alloc.Bottom - 1);
cr.Color = fill_color;
cr.Fill();
cr.MoveTo(x - 0.5, header_rendering_alloc.Bottom + 0.5);
cr.LineTo(x - 0.5, list_rendering_alloc.Bottom + 0.5);
cr.LineTo(x + column.Width - 1.5, list_rendering_alloc.Bottom + 0.5);
cr.LineTo(x + column.Width - 1.5, header_rendering_alloc.Bottom + 0.5);
cr.Color = stroke_color;
cr.LineWidth = 1.0;
cr.Stroke();
}
public override void DrawHeaderSeparator(Cairo.Context cr, Gdk.Rectangle alloc, int x)
{
Cairo.Color gtk_background_color = CairoExtensions.GdkRGBAToCairoColor(
Widget.StyleContext.GetBackgroundColor(StateFlags.Normal));
Cairo.Color dark_color = CairoExtensions.ColorShade(gtk_background_color, 0.80);
Cairo.Color light_color = CairoExtensions.ColorShade(gtk_background_color, 1.1);
int y_1 = alloc.Top + 4;
int y_2 = alloc.Bottom - 3;
cr.LineWidth = 1;
cr.Antialias = Cairo.Antialias.None;
cr.Color = dark_color;
cr.MoveTo(x, y_1);
cr.LineTo(x, y_2);
cr.Stroke();
cr.Color = light_color;
cr.MoveTo(x + 1, y_1);
cr.LineTo(x + 1, y_2);
cr.Stroke();
cr.Antialias = Cairo.Antialias.Default;
}
public override void DrawColumnHeaderFocus(Cairo.Context cr, Gdk.Rectangle alloc)
{
double top_offset = 2.0;
double right_offset = 2.0;
double margin = 0.5;
double line_width = 0.7;
Cairo.Color stroke_color = CairoExtensions.ColorShade(
CairoExtensions.GdkRGBAToCairoColor(
Widget.StyleContext.GetBackgroundColor(StateFlags.Selected)), 0.8);
stroke_color.A = 0.1;
cr.Color = stroke_color;
CairoExtensions.RoundedRectangle(cr,
alloc.X + margin + line_width + right_offset,
alloc.Y + margin + line_width + top_offset,
alloc.Width - (margin + line_width) * 2.0 - right_offset,
alloc.Height - (margin + line_width) * 2.0 - top_offset,
Context.Radius / 2.0, CairoCorners.None);
cr.Fill();
stroke_color.A = 1.0;
cr.LineWidth = line_width;
cr.Color = stroke_color;
CairoExtensions.RoundedRectangle(cr,
alloc.X + margin + line_width + right_offset,
alloc.Y + margin + line_width + top_offset,
alloc.Width - (line_width + margin) * 2.0 - right_offset,
alloc.Height - (line_width + margin) * 2.0 - right_offset,
Context.Radius / 2.0, CairoCorners.All);
cr.Stroke();
}
public void DrawRowSelection(Cairo.Context cr, int x, int y, int width, int height,
bool filled, bool stroked, Cairo.Color color, CairoCorners corners, bool flat_fill)
{
var selection_color = color;
var selection_highlight = CairoExtensions.ColorShade(selection_color, 1.24);
var selection_stroke = CairoExtensions.ColorShade(selection_color, 0.85);
selection_highlight.A = 0.5;
selection_stroke.A = color.A;
LinearGradient grad = null;
if (filled)
{
if (flat_fill)
{
cr.SetSourceColor(selection_color);
}
else
{
var selection_fill_light = CairoExtensions.ColorShade(selection_color, 1.12);
var selection_fill_dark = selection_color;
selection_fill_light.A = color.A;
selection_fill_dark.A = color.A;
grad = new LinearGradient(x, y, x, y + height);
grad.AddColorStop(0, selection_fill_light);
grad.AddColorStop(0.4, selection_fill_dark);
grad.AddColorStop(1, selection_fill_light);
cr.SetSource(grad);
}
CairoExtensions.RoundedRectangle(cr, x, y, width, height, Context.Radius, corners, true);
cr.Fill();
if (grad != null)
{
grad.Dispose();
}
}
if (filled && stroked)
{
cr.LineWidth = 1.0;
cr.SetSourceColor(selection_highlight);
CairoExtensions.RoundedRectangle(cr, x + 1.5, y + 1.5, width - 3, height - 3,
Context.Radius - 1, corners, true);
cr.Stroke();
}
if (stroked)
{
cr.LineWidth = 1.0;
cr.SetSourceColor(selection_stroke);
CairoExtensions.RoundedRectangle(cr, x + 0.5, y + 0.5, width - 1, height - 1,
Context.Radius, corners, true);
cr.Stroke();
}
}
protected override void OnColorsRefreshed()
{
base.OnColorsRefreshed();
rule_color = CairoExtensions.ColorShade(ViewFill, 0.95);
border_color = Colors.GetWidgetColor(GtkColorClass.Dark, StateType.Active);
}
public override void DrawColumnHeaderFocus(Cairo.Context cr, Gdk.Rectangle alloc)
{
double top_offset = 2.0;
double right_offset = 2.0;
double margin = 0.5;
double line_width = 0.7;
var stroke_color = CairoExtensions.ColorShade(
Colors.GetWidgetColor(GtkColorClass.Background, StateType.Selected), 0.8);
stroke_color.A = 0.1;
cr.SetSourceColor(stroke_color);
CairoExtensions.RoundedRectangle(cr,
alloc.X + margin + line_width + right_offset,
alloc.Y + margin + line_width + top_offset,
alloc.Width - (margin + line_width) * 2.0 - right_offset,
alloc.Height - (margin + line_width) * 2.0 - top_offset,
Context.Radius / 2.0, CairoCorners.None);
cr.Fill();
stroke_color.A = 1.0;
cr.LineWidth = line_width;
cr.SetSourceColor(stroke_color);
CairoExtensions.RoundedRectangle(cr,
alloc.X + margin + line_width + right_offset,
alloc.Y + margin + line_width + top_offset,
alloc.Width - (line_width + margin) * 2.0 - right_offset,
alloc.Height - (line_width + margin) * 2.0 - right_offset,
Context.Radius / 2.0, CairoCorners.All);
cr.Stroke();
}
//private double last_invalidate_value = -1;
/*private void Invalidate ()
* {
* double current_value = (IsValueUpdatePending ? PendingValue : Value);
*
* // FIXME: Something is wrong with the updating below causing an
* // invalid region when IsValueUpdatePending is true, so when
* // that is the case for now, we trigger a full invalidation
* if (last_invalidate_value < 0 || IsValueUpdatePending) {
* last_invalidate_value = current_value;
* InvalidateRender ();
* return;
* }
*
* double max = Math.Max (last_invalidate_value, current_value) * RenderSize.Width;
* double min = Math.Min (last_invalidate_value, current_value) * RenderSize.Width;
*
* Rect region = new Rect (
* InvalidationRect.X + min,
* InvalidationRect.Y,
* (max - min) + 2 * ThrobberSize,
* InvalidationRect.Height
* );
*
* last_invalidate_value = current_value;
* InvalidateRender (region);
* }*/
/*protected override Rect InvalidationRect {
* get { return new Rect (
* -Margin.Left - ThrobberSize / 2,
* -Margin.Top,
* Allocation.Width + ThrobberSize,
* Allocation.Height);
* }
* }*/
protected override void ClippedRender(Cairo.Context cr)
{
double throbber_r = ThrobberSize / 2.0;
double throbber_x = Math.Round(RenderSize.Width * (IsValueUpdatePending ? PendingValue : Value));
double throbber_y = (Allocation.Height - ThrobberSize) / 2.0 - Margin.Top + throbber_r;
double bar_w = RenderSize.Width * Value;
Theme.Widget.StyleContext.Save();
Theme.Widget.StyleContext.AddClass("entry");
Theme.Widget.StyleContext.RenderBackground(cr, 0, 0, RenderSize.Width, RenderSize.Height);
var color = CairoExtensions.GdkRGBAToCairoColor(Theme.Widget.StyleContext.GetColor(Gtk.StateFlags.Active));
Theme.Widget.StyleContext.Restore();
// TODO get Dark color
Color fill_color = CairoExtensions.ColorShade(color, 0.4);
Color light_fill_color = CairoExtensions.ColorShade(color, 0.3);
fill_color.A = 1.0;
light_fill_color.A = 1.0;
using (var fill = new LinearGradient(0, 0, 0, RenderSize.Height)) {
fill.AddColorStop(0, light_fill_color);
fill.AddColorStop(0.5, fill_color);
fill.AddColorStop(1, light_fill_color);
cr.Rectangle(0, 0, bar_w, RenderSize.Height);
cr.SetSource(fill);
cr.Fill();
cr.SetSourceColor(fill_color);
cr.Arc(throbber_x, throbber_y, throbber_r, 0, Math.PI * 2);
cr.Fill();
}
}
public override void DrawPie(double fraction)
{
// Calculate the pie path
fraction = Theme.Clamp(0.0, 1.0, fraction);
double a1 = 3.0 * Math.PI / 2.0;
double a2 = a1 + 2.0 * Math.PI * fraction;
if (fraction == 0.0)
{
return;
}
Context.Cairo.MoveTo(Context.X, Context.Y);
Context.Cairo.Arc(Context.X, Context.Y, Context.Radius, a1, a2);
Context.Cairo.LineTo(Context.X, Context.Y);
// Fill the pie
Color color_a = Colors.GetWidgetColor(GtkColorClass.Background, StateType.Selected);
Color color_b = CairoExtensions.ColorShade(color_a, 1.4);
using (RadialGradient fill = new RadialGradient(Context.X, Context.Y, 0, Context.X, Context.Y, 2.0 * Context.Radius)) {
fill.AddColorStop(0, color_a);
fill.AddColorStop(1, color_b);
Context.Cairo.SetSource(fill);
Context.Cairo.FillPreserve();
}
// Stroke the pie
Context.Cairo.SetSourceColor(CairoExtensions.ColorShade(color_a, 0.8));
Context.Cairo.LineWidth = Context.LineWidth;
Context.Cairo.Stroke();
}
private void PaintDraggingColumn(Rectangle clip)
{
if (!pressed_column_is_dragging || pressed_column_index < 0)
{
return;
}
CachedColumn column = column_cache[pressed_column_index];
int x = pressed_column_x_drag + Allocation.X + 1 - HadjustmentValue;
Cairo.Color fill_color = Theme.Colors.GetWidgetColor(GtkColorClass.Base, StateType.Normal);
fill_color.A = 0.45;
Cairo.Color stroke_color = CairoExtensions.ColorShade(Theme.Colors.GetWidgetColor(
GtkColorClass.Base, StateType.Normal), 0.0);
stroke_color.A = 0.3;
cairo_context.Rectangle(x, header_rendering_alloc.Bottom + 1, column.Width - 2,
list_rendering_alloc.Bottom - header_rendering_alloc.Bottom - 1);
cairo_context.Color = fill_color;
cairo_context.Fill();
cairo_context.MoveTo(x - 0.5, header_rendering_alloc.Bottom + 0.5);
cairo_context.LineTo(x - 0.5, list_rendering_alloc.Bottom + 0.5);
cairo_context.LineTo(x + column.Width - 1.5, list_rendering_alloc.Bottom + 0.5);
cairo_context.LineTo(x + column.Width - 1.5, header_rendering_alloc.Bottom + 0.5);
cairo_context.Color = stroke_color;
cairo_context.LineWidth = 1.0;
cairo_context.Stroke();
}
public override void DrawFrameBorder(Cairo.Context cr, Gdk.Rectangle alloc)
{
var corners = CairoCorners.All;
double top_extend = 0;
double bottom_extend = 0;
double left_extend = 0;
double right_extend = 0;
if (Context.ToplevelBorderCollapse)
{
if (Widget.Allocation.Top <= Widget.Toplevel.Allocation.Top)
{
corners &= ~(CairoCorners.TopLeft | CairoCorners.TopRight);
top_extend = cr.LineWidth;
}
if (Widget.Allocation.Bottom >= Widget.Toplevel.Allocation.Bottom)
{
corners &= ~(CairoCorners.BottomLeft | CairoCorners.BottomRight);
bottom_extend = cr.LineWidth;
}
if (Widget.Allocation.Left <= Widget.Toplevel.Allocation.Left)
{
corners &= ~(CairoCorners.BottomLeft | CairoCorners.TopLeft);
left_extend = cr.LineWidth;
}
if (Widget.Allocation.Right >= Widget.Toplevel.Allocation.Right)
{
corners &= ~(CairoCorners.BottomRight | CairoCorners.TopRight);
right_extend = cr.LineWidth;
}
}
// FIXME Windows; shading the color by .8 makes it blend into the bg
if (Widget.HasFocus && !Hyena.PlatformDetection.IsWindows)
{
cr.LineWidth = BorderWidth * 1.5;
cr.Color = CairoExtensions.ColorShade(border_color, 0.8);
}
else
{
cr.LineWidth = BorderWidth;
cr.Color = border_color;
}
double offset = (double)cr.LineWidth / 2.0;
CairoExtensions.RoundedRectangle(cr,
alloc.X + offset - left_extend,
alloc.Y + offset - top_extend,
alloc.Width - cr.LineWidth + left_extend + right_extend,
alloc.Height - cr.LineWidth - top_extend + bottom_extend,
Context.Radius,
corners);
cr.Stroke();
}
LinearGradient MakeSegmentGradient(int h, Color color, bool diag)
{
var grad = new LinearGradient(0, 0, 0, h);
grad.AddColorStop(0, CairoExtensions.ColorShade(color, 1.1));
grad.AddColorStop(0.35, CairoExtensions.ColorShade(color, 1.2));
grad.AddColorStop(1, CairoExtensions.ColorShade(color, 0.8));
return(grad);
}
public override void DrawFrameBorderFocused(Cairo.Context cr, Gdk.Rectangle alloc)
{
cr.LineWidth = BorderWidth * 1.5;
cr.SetSourceColor(CairoExtensions.ColorShade(border_color, 0.8));
double offset = (double)cr.LineWidth / 2.0;
CairoExtensions.RoundedRectangle(cr, alloc.X + offset, alloc.Y + offset, alloc.Width - cr.LineWidth, alloc.Height - cr.LineWidth, Context.Radius, CairoCorners.All);
cr.Stroke();
}
private void SetBackground()
{
Cairo.Color light = CairoExtensions.GdkColorToCairoColor(Style.Background(StateType.Normal));
Cairo.Color dark = CairoExtensions.ColorShade(light, 0.85);
Cairo.LinearGradient grad = new Cairo.LinearGradient(0, Allocation.Y, 0, Allocation.Y + Allocation.Height);
grad.AddColorStop(0, dark);
grad.AddColorStop(1, light);
FillPattern = grad;
}
protected override void OnColorsRefreshed()
{
base.OnColorsRefreshed();
rule_color = CairoExtensions.ColorShade(ViewFill, 0.95);
// On Windows we use Normal b/c Active incorrectly returns black (at least on XP)
border_color = Colors.GetWidgetColor(GtkColorClass.Dark,
Hyena.PlatformDetection.IsWindows ? StateType.Normal : StateType.Active
);
}
protected override void OnColorsRefreshed()
{
base.OnColorsRefreshed();
rule_color = CairoExtensions.ColorShade(ViewFill, 0.95);
// On Windows we use Normal b/c Active incorrectly returns black (at least on XP)
// TODO: Check if this is still needed with GTK 3
border_color = CairoExtensions.GdkRGBAToCairoColor(Widget.StyleContext.GetBorderColor(
Hyena.PlatformDetection.IsWindows ? StateFlags.Normal : StateFlags.Active));
}
private void PaintHeaderCell(Cairo.Context cr, Rectangle area, int ci, bool dragging, ref bool have_drawn_separator)
{
if (ci < 0 || column_cache.Length <= ci)
{
return;
}
if (ci == ActiveColumn && HasFocus && HeaderFocused)
{
Theme.DrawColumnHeaderFocus(cr, area);
}
if (dragging)
{
Cairo.Color dark_color = CairoExtensions.GdkRGBAToCairoColor(StyleContext.GetBackgroundColor(StateFlags.Normal));
dark_color = CairoExtensions.ColorShade(dark_color, 0.7);
Theme.DrawColumnHighlight(cr, area, dark_color);
StyleContext.Save();
StyleContext.AddClass("entry");
Cairo.Color base_color = CairoExtensions.GdkRGBAToCairoColor(StyleContext.GetBackgroundColor(StateFlags.Normal));
StyleContext.Restore();
Cairo.Color stroke_color = CairoExtensions.ColorShade(base_color, 0.0);
stroke_color.A = 0.3;
cr.Color = stroke_color;
cr.MoveTo(area.X + 0.5, area.Y + 1.0);
cr.LineTo(area.X + 0.5, area.Bottom);
cr.MoveTo(area.Right - 0.5, area.Y + 1.0);
cr.LineTo(area.Right - 0.5, area.Bottom);
cr.Stroke();
}
ColumnCell cell = column_cache[ci].Column.HeaderCell;
if (cell != null)
{
cr.Save();
cr.Translate(area.X, area.Y);
cell_context.Area = area;
cell_context.State = StateFlags.Normal;
cell.Render(cell_context, area.Width, area.Height);
cr.Restore();
}
if (!dragging && ci < column_cache.Length - 1 && (have_drawn_separator ||
column_cache[ci].MaxWidth != column_cache[ci].MinWidth))
{
have_drawn_separator = true;
Theme.DrawHeaderSeparator(cr, area, area.Right);
}
}
protected override void OnColorsRefreshed()
{
base.OnColorsRefreshed();
if (widget == null)
{
return;
}
rule_color = CairoExtensions.ColorShade(CairoExtensions.GdkRGBAToCairoColor(widget.StyleContext.GetBackgroundColor(StateFlags.Normal)), 0.95);
border_color = CairoExtensions.GdkRGBAToCairoColor(widget.StyleContext.GetBorderColor(StateFlags.Normal));
}
private void PaintView(Cairo.Context cr, Rect clip)
{
clip.Intersect((Rect)list_rendering_alloc);
cr.Rectangle((Cairo.Rectangle)clip);
cr.Clip();
cell_context.Clip = (Gdk.Rectangle)clip;
cell_context.TextAsForeground = false;
selected_rows.Clear();
for (int layout_index = 0; layout_index < ViewLayout.ChildCount; layout_index++)
{
var layout_child = ViewLayout[layout_index];
var child_allocation = layout_child.Allocation;
if (!child_allocation.IntersectsWith(clip) || ViewLayout.GetModelIndex(layout_child) >= Model.Count)
{
continue;
}
if (Selection != null && Selection.Contains(ViewLayout.GetModelIndex(layout_child)))
{
selected_rows.Add(ViewLayout.GetModelIndex(layout_child));
var selection_color = CairoExtensions.GdkRGBAToCairoColor(StyleContext.GetBackgroundColor(StateFlags.Selected));
if (!HasFocus || HeaderFocused)
{
selection_color = CairoExtensions.ColorShade(selection_color, 1.1);
}
Theme.DrawRowSelection(cr,
(int)child_allocation.X, (int)child_allocation.Y,
(int)child_allocation.Width, (int)child_allocation.Height,
true, true, selection_color, CairoCorners.All);
cell_context.State = StateFlags.Selected;
}
else
{
cell_context.State = StateFlags.Normal;
}
//cr.Save ();
//cr.Translate (child_allocation.X, child_allocation.Y);
//cr.Rectangle (0, 0, child_allocation.Width, child_allocation.Height);
//cr.Clip ();
layout_child.Render(cell_context);
//cr.Restore ();
}
cr.ResetClip();
}
public override void DrawColumnHighlight(Cairo.Context cr, Gdk.Rectangle alloc, Cairo.Color color)
{
Color light_color = CairoExtensions.ColorShade(color, 1.6);
Color dark_color = CairoExtensions.ColorShade(color, 1.3);
using (var grad = new LinearGradient(alloc.X, alloc.Y, alloc.X, alloc.Bottom - 1)) {
grad.AddColorStop(0, light_color);
grad.AddColorStop(1, dark_color);
cr.SetSource(grad);
cr.Rectangle(alloc.X + 1.5, alloc.Y + 1.5, alloc.Width - 3, alloc.Height - 2);
cr.Fill();
}
}
public override void DrawColumnHighlight(Cairo.Context cr, Gdk.Rectangle alloc, Cairo.Color color)
{
Cairo.Color light_color = CairoExtensions.ColorShade(color, 1.6);
Cairo.Color dark_color = CairoExtensions.ColorShade(color, 1.3);
LinearGradient grad = new LinearGradient(alloc.X, alloc.Y, alloc.X, alloc.Bottom - 1);
grad.AddColorStop(0, light_color);
grad.AddColorStop(1, dark_color);
cr.Pattern = grad;
cr.Rectangle(alloc.X + 1.5, alloc.Y + 1.5, alloc.Width - 3, alloc.Height - 2);
cr.Fill();
grad.Destroy();
}
private void PaintHeaderCell(Rectangle area, int ci, bool dragging, ref bool have_drawn_separator)
{
if (ci < 0 || column_cache.Length <= ci)
{
return;
}
if (ci == ActiveColumn && HasFocus && HeaderFocused)
{
Theme.DrawColumnHeaderFocus(cairo_context, area);
}
if (dragging)
{
Theme.DrawColumnHighlight(cairo_context, area,
CairoExtensions.ColorShade(Theme.Colors.GetWidgetColor(GtkColorClass.Dark, StateType.Normal), 0.9));
Cairo.Color stroke_color = CairoExtensions.ColorShade(Theme.Colors.GetWidgetColor(
GtkColorClass.Base, StateType.Normal), 0.0);
stroke_color.A = 0.3;
cairo_context.Color = stroke_color;
cairo_context.MoveTo(area.X + 0.5, area.Y + 1.0);
cairo_context.LineTo(area.X + 0.5, area.Bottom);
cairo_context.MoveTo(area.Right - 0.5, area.Y + 1.0);
cairo_context.LineTo(area.Right - 0.5, area.Bottom);
cairo_context.Stroke();
}
ColumnCell cell = column_cache[ci].Column.HeaderCell;
if (cell != null)
{
cairo_context.Save();
cairo_context.Translate(area.X, area.Y);
cell_context.Area = area;
cell_context.State = StateType.Normal;
cell.Render(cell_context, area.Width, area.Height);
cairo_context.Restore();
}
if (!dragging && ci < column_cache.Length - 1 && (have_drawn_separator ||
column_cache[ci].MaxWidth != column_cache[ci].MinWidth))
{
have_drawn_separator = true;
Theme.DrawHeaderSeparator(cairo_context, area, area.Right);
}
}
public override void DrawRowSelection(Cairo.Context cr, int x, int y, int width, int height,
bool filled, bool stroked, Cairo.Color color, CairoCorners corners)
{
Cairo.Color selection_color = color;
Cairo.Color selection_highlight = CairoExtensions.ColorShade(selection_color, 1.24);
Cairo.Color selection_stroke = CairoExtensions.ColorShade(selection_color, 0.85);
selection_highlight.A = 0.5;
selection_stroke.A = color.A;
if (filled)
{
Cairo.Color selection_fill_light = CairoExtensions.ColorShade(selection_color, 1.12);
Cairo.Color selection_fill_dark = selection_color;
selection_fill_light.A = color.A;
selection_fill_dark.A = color.A;
LinearGradient grad = new LinearGradient(x, y, x, y + height);
grad.AddColorStop(0, selection_fill_light);
grad.AddColorStop(0.4, selection_fill_dark);
grad.AddColorStop(1, selection_fill_light);
cr.Pattern = grad;
CairoExtensions.RoundedRectangle(cr, x, y, width, height, Context.Radius, corners, true);
cr.Fill();
grad.Destroy();
}
if (filled && stroked)
{
cr.LineWidth = 1.0;
cr.Color = selection_highlight;
CairoExtensions.RoundedRectangle(cr, x + 1.5, y + 1.5, width - 3, height - 3,
Context.Radius - 1, corners, true);
cr.Stroke();
}
if (stroked)
{
cr.LineWidth = 1.0;
cr.Color = selection_stroke;
CairoExtensions.RoundedRectangle(cr, x + 0.5, y + 0.5, width - 1, height - 1,
Context.Radius, corners, true);
cr.Stroke();
}
}
protected virtual void OnColorsRefreshed()
{
selection_fill = CairoExtensions.GdkRGBAToCairoColor(Widget.StyleContext.GetBackgroundColor(StateFlags.Active));
selection_fill = CairoExtensions.ColorShade(selection_fill, 0.8);
selection_stroke = CairoExtensions.GdkRGBAToCairoColor(Widget.StyleContext.GetBackgroundColor(StateFlags.Selected));
Widget.StyleContext.Save();
Widget.StyleContext.AddClass("entry");
view_fill = CairoExtensions.GdkRGBAToCairoColor(Widget.StyleContext.GetBackgroundColor(StateFlags.Normal));
var text_color = CairoExtensions.GdkRGBAToCairoColor(Widget.StyleContext.GetColor(StateFlags.Normal));
Widget.StyleContext.Restore();
view_fill_transparent = view_fill;
view_fill_transparent.A = 0;
text_mid = CairoExtensions.AlphaBlend(view_fill, text_color, 0.5);
}
public override void DrawHeaderBackground(Cairo.Context cr, Gdk.Rectangle alloc)
{
Color gtk_background_color = Colors.GetWidgetColor(GtkColorClass.Background, StateType.Normal);
Color light_color = CairoExtensions.ColorShade(gtk_background_color, 1.1);
Color dark_color = CairoExtensions.ColorShade(gtk_background_color, 0.95);
CairoCorners corners = CairoCorners.TopLeft | CairoCorners.TopRight;
using (LinearGradient grad = new LinearGradient(alloc.X, alloc.Y, alloc.X, alloc.Bottom)) {
grad.AddColorStop(0, light_color);
grad.AddColorStop(0.75, dark_color);
grad.AddColorStop(0, light_color);
cr.SetSource(grad);
CairoExtensions.RoundedRectangle(cr, alloc.X, alloc.Y, alloc.Width, alloc.Height, Context.Radius, corners);
cr.Fill();
}
cr.SetSourceColor(border_color);
cr.Rectangle(alloc.X, alloc.Bottom, alloc.Width, BorderWidth);
cr.Fill();
}
public override void DrawHeaderSeparator(Cairo.Context cr, Gdk.Rectangle alloc, int x)
{
Cairo.Color gtk_background_color = Colors.GetWidgetColor(GtkColorClass.Background, StateType.Normal);
Cairo.Color dark_color = CairoExtensions.ColorShade(gtk_background_color, 0.8);
Cairo.Color light_color = CairoExtensions.ColorShade(gtk_background_color, 1.1);
int y_1 = alloc.Top + 4;
int y_2 = alloc.Bottom - 3;
cr.LineWidth = 1;
cr.Antialias = Antialias.None;
cr.SetSourceColor(dark_color);
cr.MoveTo(x, y_1);
cr.LineTo(x, y_2);
cr.Stroke();
cr.SetSourceColor(light_color);
cr.MoveTo(x + 1, y_1);
cr.LineTo(x + 1, y_2);
cr.Stroke();
cr.Antialias = Cairo.Antialias.Default;
}
public override void DrawPie(double fraction)
{
// Calculate the pie path
fraction = Theme.Clamp(0.0, 1.0, fraction);
double a1 = 3.0 * Math.PI / 2.0;
double a2 = a1 + 2.0 * Math.PI * fraction;
if (fraction == 0.0)
{
return;
}
Context.Cairo.MoveTo(Context.X, Context.Y);
Context.Cairo.Arc(Context.X, Context.Y, Context.Radius, a1, a2);
Context.Cairo.LineTo(Context.X, Context.Y);
// Fill the pie
Color color_a = CairoExtensions.GdkRGBAToCairoColor(
Widget.StyleContext.GetBackgroundColor(StateFlags.Selected));
Color color_b = CairoExtensions.ColorShade(color_a, 1.4);
RadialGradient fill = new RadialGradient(Context.X, Context.Y, 0,
Context.X, Context.Y, 2.0 * Context.Radius);
fill.AddColorStop(0, color_a);
fill.AddColorStop(1, color_b);
Context.Cairo.Pattern = fill;
Context.Cairo.FillPreserve();
fill.Destroy();
// Stroke the pie
Context.Cairo.Color = CairoExtensions.ColorShade(color_a, 0.8);
Context.Cairo.LineWidth = Context.LineWidth;
Context.Cairo.Stroke();
}
public override void DrawHeaderBackground(Cairo.Context cr, Gdk.Rectangle alloc)
{
Cairo.Color gtk_background_color =
CairoExtensions.GdkRGBAToCairoColor(Widget.StyleContext.GetBackgroundColor(StateFlags.Normal));
Cairo.Color light_color = CairoExtensions.ColorShade(gtk_background_color, 1.1);
Cairo.Color dark_color = CairoExtensions.ColorShade(gtk_background_color, 0.95);
CairoCorners corners = CairoCorners.TopLeft | CairoCorners.TopRight;
LinearGradient grad = new LinearGradient(alloc.X, alloc.Y, alloc.X, alloc.Bottom);
grad.AddColorStop(0, light_color);
grad.AddColorStop(0.75, dark_color);
grad.AddColorStop(0, light_color);
cr.Pattern = grad;
CairoExtensions.RoundedRectangle(cr, alloc.X, alloc.Y, alloc.Width, alloc.Height, Context.Radius, corners);
cr.Fill();
cr.Color = border_color;
cr.Rectangle(alloc.X, alloc.Bottom, alloc.Width, BorderWidth);
cr.Fill();
grad.Destroy();
}
