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//
// TemplateCellRendererText.cs
//
// Author:
// Matt Ward <matt.ward@xamarin.com>
//
// Copyright (c) 2014 Xamarin Inc. (http://xamarin.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
using System;
using System.Linq;
using Gdk;
using Gtk;
using MonoDevelop.Components;
using MonoDevelop.Core;
using MonoDevelop.Ide.Gui;
using MonoDevelop.Ide.Templates;
namespace MonoDevelop.Ide.Projects
{
class GtkTemplateCellRenderer : CellRendererText
{
const int iconTextPadding = 9;
int groupTemplateHeadingTotalYPadding = 24;
int recentTemplateHeadingTotalYPadding = 30;
const int groupTemplateHeadingYOffset = 4;
const int categoryTextPaddingX = 4;
public SolutionTemplate Template { get; set; }
public string SelectedLanguage { get; set; }
public Xwt.Drawing.Image TemplateIcon { get; set; }
public string TemplateCategory { get; set; }
public bool RenderRecentTemplate { get; set; }
public GtkTemplateCellRenderer ()
{
if (IsYosemiteOrHigher ()) {
groupTemplateHeadingTotalYPadding -= 1;
recentTemplateHeadingTotalYPadding -= 1;
}
}
static bool IsYosemiteOrHigher ()
{
return Platform.IsMac && (Platform.OSVersion >= MacSystemInformation.Yosemite);
}
public override void GetSize (Widget widget, ref Rectangle cell_area, out int x_offset, out int y_offset, out int width, out int height)
{
base.GetSize (widget, ref cell_area, out x_offset, out y_offset, out width, out height);
if (TemplateIcon != null) {
height = (int)TemplateIcon.Height + ((int)Ypad * 2);
} else {
height += RenderRecentTemplate ? recentTemplateHeadingTotalYPadding : groupTemplateHeadingTotalYPadding;
}
}
protected override void Render (Drawable window, Widget widget, Rectangle background_area, Rectangle cell_area, Rectangle expose_area, CellRendererState flags)
{
if (Template == null) {
DrawTemplateCategoryText (window, widget, cell_area, flags);
return;
}
using (var ctx = CairoHelper.Create (window)) {
using (var layout = new Pango.Layout (widget.PangoContext)) {
Rectangle iconRect = DrawIcon (ctx, widget, cell_area, flags);
DrawTemplateNameText (window, widget, cell_area, iconRect, flags);
if (RenderRecentTemplate)
DrawCategoryText (ctx, widget, cell_area, iconRect, flags);
}
}
}
void DrawTemplateCategoryText (Drawable window, Widget widget, Rectangle cell_area, CellRendererState flags)
{
StateType state = GetState (widget, flags);
using (var layout = new Pango.Layout (widget.PangoContext)) {
layout.Ellipsize = Pango.EllipsizeMode.End;
int textPixelWidth = widget.Allocation.Width - ((int)Xpad * 2);
layout.Width = (int)(textPixelWidth * Pango.Scale.PangoScale);
layout.SetMarkup (TemplateCategory);
int w, h;
layout.GetPixelSize (out w, out h);
int textX = cell_area.X + (int)Xpad + categoryTextPaddingX;
int textY = cell_area.Y + (cell_area.Height - h) / 2 + groupTemplateHeadingYOffset;
window.DrawLayout (widget.Style.TextGC (state), textX, textY, layout);
}
}
Rectangle DrawIcon (Cairo.Context ctx, Widget widget, Rectangle cell_area, CellRendererState flags)
{
var iconRect = new Rectangle (cell_area.X + (int)Xpad, cell_area.Y + (int)Ypad, (int)TemplateIcon.Width, (int)TemplateIcon.Height);
var img = TemplateIcon;
if ((flags & Gtk.CellRendererState.Selected) != 0)
img = img.WithStyles ("sel");
ctx.DrawImage (widget, img, iconRect.X, iconRect.Y);
return iconRect;
}
void DrawTemplateNameText (Drawable window, Widget widget, Rectangle cell_area, Rectangle iconRect, CellRendererState flags)
{
StateType state = GetState (widget, flags);
using (var layout = new Pango.Layout (widget.PangoContext)) {
layout.Ellipsize = Pango.EllipsizeMode.End;
int textPixelWidth = cell_area.Width - ((int)Xpad * 2) - iconRect.Width - iconTextPadding;
layout.Width = (int)(textPixelWidth * Pango.Scale.PangoScale);
layout.SetMarkup (GLib.Markup.EscapeText (Template.Name));
int w, h;
layout.GetPixelSize (out w, out h);
int textY = cell_area.Y + (RenderRecentTemplate ? (2) : (cell_area.Height - h) / 2);
window.DrawLayout (widget.Style.TextGC (state), iconRect.Right + iconTextPadding, textY, layout);
}
}
void DrawCategoryText (Cairo.Context ctx, Widget widget, Rectangle cell_area, Rectangle iconRect, CellRendererState flags)
{
StateType state = GetState (widget, flags);
var isSelected = state == StateType.Selected || state == StateType.Active;
using (var layout = new Pango.Layout (widget.PangoContext)) {
layout.Ellipsize = Pango.EllipsizeMode.End;
int textPixelWidth = cell_area.Width - ((int)Xpad * 2) - iconRect.Width - iconTextPadding;
layout.Width = (int)(textPixelWidth * Pango.Scale.PangoScale);
layout.FontDescription = Fonts.FontExtensions.CopyModified (widget.Style.FontDesc, -1);
layout.SetMarkup (GLib.Markup.EscapeText (TemplateCategory));
int w, h;
layout.GetPixelSize (out w, out h);
int textY = cell_area.Y + ((cell_area.Height - h) - 2);
ctx.MoveTo (iconRect.Right + iconTextPadding, textY);
ctx.SetSourceColor ((isSelected ? Styles.BaseSelectionTextColor : Styles.DimTextColor).ToCairoColor ());
ctx.ShowLayout (layout);
}
}
static StateType GetState (Widget widget, CellRendererState flags)
{
StateType stateType = StateType.Normal;
if ((flags & CellRendererState.Prelit) != 0)
stateType = StateType.Prelight;
if ((flags & CellRendererState.Focused) != 0)
stateType = StateType.Normal;
if ((flags & CellRendererState.Insensitive) != 0)
stateType = StateType.Insensitive;
if ((flags & CellRendererState.Selected) != 0)
stateType = widget.HasFocus ? StateType.Selected : StateType.Active;
return stateType;
}
}
}
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