internal static CompletionListFilterResult DefaultFilterItems(ICompletionDataList dataList, IReadOnlyList <int> currentFilteredItems, string oldCompletionString, string completionString, CompletionDataMatcher matcher = null)
{
List <int> filteredItems;
var newCategories = new List <CategorizedCompletionItems> ();
matcher = matcher ?? new CompletionDataMatcher {
StringMatcher = CompletionMatcher.CreateCompletionMatcher(completionString), MatcherId = -1, MatchString = completionString
};
if (oldCompletionString == null || !completionString.StartsWith(oldCompletionString, StringComparison.Ordinal))
{
// We are filtering the list from scratch (not reusing previous results)
// This is the most slow operation since we may have to filter a very large amount of items.
// To improve performance, when there are many items, we try to parallelize the filtering
// Use multiple threads when we can split the work in chunks of at least 4000 items.
int numFilterThreads = Math.Max(Math.Min(dataList.Count / 4000, Environment.ProcessorCount / 2), 1);
// When completion string is empty the matching algorithm is not executed, so there is no need to parallelize
if (string.IsNullOrEmpty(completionString))
{
numFilterThreads = 1;
}
filteredItems = new List <int> ();
int slice = dataList.Count / numFilterThreads;
var results = new(Task, List <int>) [numFilterThreads - 1];
public void FilterWords()
{
filteredItems.Clear();
categories.Clear();
var matcher = CompletionMatcher.CreateCompletionMatcher(CompletionString);
for (int newSelection = 0; newSelection < win.DataProvider.ItemCount; newSelection++)
{
if (string.IsNullOrEmpty(CompletionString) || matcher.IsMatch(win.DataProvider.GetText(newSelection)))
{
CompletionCategory completionCategory = win.DataProvider.GetCompletionCategory(newSelection);
GetCategory(completionCategory).Items.Add(filteredItems.Count);
filteredItems.Add(newSelection);
}
}
categories.Sort(delegate(Category left, Category right) {
return(right.CompletionCategory != null ? right.CompletionCategory.CompareTo(left.CompletionCategory) : -1);
});
SelectFirstItemInCategory();
CalcVisibleRows();
UpdatePage();
OnWordsFiltered(EventArgs.Empty);
}
public void FilterWords()
{
categories.Clear();
var matcher = CompletionMatcher.CreateCompletionMatcher(CompletionString);
if (oldCompletionString == null || !CompletionString.StartsWith(oldCompletionString))
{
filteredItems.Clear();
for (int newSelection = 0; newSelection < win.DataProvider.ItemCount; newSelection++)
{
if (string.IsNullOrEmpty(CompletionString) || matcher.IsMatch(win.DataProvider.GetText(newSelection)))
{
var completionCategory = win.DataProvider.GetCompletionCategory(newSelection);
GetCategory(completionCategory).Items.Add(newSelection);
filteredItems.Add(newSelection);
}
}
}
else
{
var oldItems = filteredItems;
filteredItems = new List <int> ();
foreach (int newSelection in oldItems)
{
if (string.IsNullOrEmpty(CompletionString) || matcher.IsMatch(win.DataProvider.GetText(newSelection)))
{
var completionCategory = win.DataProvider.GetCompletionCategory(newSelection);
GetCategory(completionCategory).Items.Add(newSelection);
filteredItems.Add(newSelection);
}
}
}
filteredItems.Sort(delegate(int left, int right) {
var lt = win.DataProvider.GetText(left);
var rt = win.DataProvider.GetText(right);
/* int r1;
* int r2;
* matcher.CalcMatchRank (lt, out r1);
* matcher.CalcMatchRank (rt, out r2);
* if (r1 == r2) {
* if (lt.Length != rt.Length)
* return lt.Length.CompareTo (rt.Length);*/
return(lt.CompareTo(rt));
/* }
* return r1.CompareTo (r2);*/
});
categories.Sort(delegate(Category left, Category right) {
return(left.CompletionCategory != null ? left.CompletionCategory.CompareTo(right.CompletionCategory) : -1);
});
SelectFirstItemInCategory();
CalcVisibleRows();
UpdatePage();
OnWordsFiltered(EventArgs.Empty);
oldCompletionString = CompletionString;
}
public void FilterWords()
{
categories.Clear();
var matcher = CompletionMatcher.CreateCompletionMatcher(CompletionString);
if (oldCompletionString == null || !CompletionString.StartsWith(oldCompletionString))
{
filteredItems.Clear();
for (int newSelection = 0; newSelection < win.DataProvider.ItemCount; newSelection++)
{
if (string.IsNullOrEmpty(CompletionString) || matcher.IsMatch(win.DataProvider.GetText(newSelection)))
{
var completionCategory = win.DataProvider.GetCompletionCategory(newSelection);
GetCategory(completionCategory).Items.Add(newSelection);
filteredItems.Add(newSelection);
}
}
}
else
{
var oldItems = filteredItems;
filteredItems = new List <int> ();
foreach (int newSelection in oldItems)
{
if (string.IsNullOrEmpty(CompletionString) || matcher.IsMatch(win.DataProvider.GetText(newSelection)))
{
var completionCategory = win.DataProvider.GetCompletionCategory(newSelection);
GetCategory(completionCategory).Items.Add(newSelection);
filteredItems.Add(newSelection);
}
}
}
filteredItems.Sort(delegate(int left, int right) {
var lt = win.DataProvider.GetText(left);
var rt = win.DataProvider.GetText(right);
var result = lt.CompareTo(rt);
if (result == 0)
{
return(right.CompareTo(left));
}
return(result);
});
categories.Sort(delegate(Category left, Category right) {
return(left.CompletionCategory != null ? left.CompletionCategory.CompareTo(right.CompletionCategory) : -1);
});
SelectFirstItemInCategory();
CalcVisibleRows();
SetAdjustments();
OnWordsFiltered(EventArgs.Empty);
oldCompletionString = CompletionString;
}
/// <summary>
/// Gets a code completion matcher for the provided string. It will try to reuse an existing one.
/// </summary>
CompletionDataMatcher GetCompletionDataMatcher(string partialWord)
{
// It keeps the last used matcher in a field, and will reuse it if the requested word doesn't change.
// 'partialWord' doesn't usually change during the lifetime of CompletionDataList, so in general
// the same matcher will be used by all calculations required for a key press
if (lastMatcher != null && partialWord == lastMatcher.MatchString)
{
return(lastMatcher);
}
return(lastMatcher = new CompletionDataMatcher {
MatcherId = lastMatcherId++,
StringMatcher = CompletionMatcher.CreateCompletionMatcher(partialWord),
MatchString = partialWord
});
}
public WordComparer(string filterWord)
{
this.filterWord = filterWord ?? "";
matcher = CompletionMatcher.CreateCompletionMatcher(filterWord);
}
static CompletionListFilterResult DefaultFilterWords(ICompletionDataList dataList, List <int> filteredItems, string oldCompletionString, string CompletionString)
{
var newCategories = new List <CategorizedCompletionItems> ();
var matcher = CompletionMatcher.CreateCompletionMatcher(CompletionString);
if (oldCompletionString == null || !CompletionString.StartsWith(oldCompletionString, StringComparison.Ordinal))
{
filteredItems.Clear();
for (int newSelection = 0; newSelection < dataList.Count; newSelection++)
{
if (string.IsNullOrEmpty(CompletionString) || matcher.IsMatch(dataList [newSelection].DisplayText))
{
var completionCategory = dataList [newSelection].CompletionCategory;
GetCategory(newCategories, completionCategory).Items.Add(newSelection);
filteredItems.Add(newSelection);
}
}
}
else
{
var oldItems = filteredItems;
filteredItems = new List <int> ();
foreach (int newSelection in oldItems)
{
if (string.IsNullOrEmpty(CompletionString) || matcher.IsMatch(dataList [newSelection].DisplayText))
{
var completionCategory = dataList [newSelection].CompletionCategory;
GetCategory(newCategories, completionCategory).Items.Add(newSelection);
filteredItems.Add(newSelection);
}
}
}
filteredItems.Sort(delegate(int left, int right) {
int rank1, rank2;
var data1 = dataList [left];
var data2 = dataList [right];
if (data1 == null || data2 == null)
{
return(0);
}
if (data1.PriorityGroup != data2.PriorityGroup)
{
return(data2.PriorityGroup.CompareTo(data1.PriorityGroup));
}
if (string.IsNullOrEmpty(CompletionString))
{
return(CompareTo(dataList, left, right));
}
if (!matcher.CalcMatchRank(data1.CompletionText, out rank1))
{
return(0);
}
if (!matcher.CalcMatchRank(data2.CompletionText, out rank2))
{
return(0);
}
return(rank2.CompareTo(rank1));
});
// put the item from a lower priority group with the highest match rank always to position #2
if (filteredItems.Count > 0)
{
int idx = 0;
int rank;
var data = dataList[filteredItems [0]];
int firstGrp = data.PriorityGroup;
matcher.CalcMatchRank(data.CompletionText, out rank);
for (int i = 1; i < filteredItems.Count; i++)
{
var curData = dataList[filteredItems [i]];
if (curData.PriorityGroup == firstGrp)
{
continue;
}
int curRank;
matcher.CalcMatchRank(curData.CompletionText, out curRank);
if (curRank > rank)
{
idx = i;
rank = curRank;
}
}
if (idx != 0)
{
var tmp = filteredItems [idx];
for (int i = idx; i > 1; i--)
{
filteredItems [i] = filteredItems [i - 1];
}
filteredItems [1] = tmp;
}
}
newCategories.Sort(delegate(CategorizedCompletionItems left, CategorizedCompletionItems right) {
if (left.CompletionCategory == null)
{
return(1);
}
if (right.CompletionCategory == null)
{
return(-1);
}
return(left.CompletionCategory.CompareTo(right.CompletionCategory));
});
return(new CompletionListFilterResult(filteredItems, newCategories));
}
protected int FindMatchedEntry(string partialWord, out bool hasMismatches)
{
// default - word with highest match rating in the list.
hasMismatches = true;
int idx = -1;
StringMatcher matcher = null;
if (!string.IsNullOrEmpty(partialWord))
{
matcher = CompletionMatcher.CreateCompletionMatcher(partialWord);
string bestWord = null;
int bestRank = int.MinValue;
int bestIndex = 0;
int bestIndexPriority = int.MinValue;
for (int i = 0; i < list.filteredItems.Count; i++)
{
int index = list.filteredItems [i];
var data = DataProvider.GetCompletionData(index);
if (bestIndexPriority > data.PriorityGroup)
{
continue;
}
string text = data.DisplayText;
int rank;
if (!matcher.CalcMatchRank(text, out rank))
{
continue;
}
if (rank > bestRank || data.PriorityGroup > bestIndexPriority)
{
bestWord = text;
bestRank = rank;
bestIndex = i;
bestIndexPriority = data.PriorityGroup;
}
}
if (bestWord != null)
{
idx = bestIndex;
hasMismatches = false;
// exact match found.
if (string.Compare(bestWord, partialWord ?? "", true) == 0)
{
return(idx);
}
}
}
CompletionData currentData;
int bestMruIndex;
if (idx >= 0)
{
currentData = completionDataList [list.filteredItems [idx]];
bestMruIndex = cache.GetIndex(currentData);
}
else
{
bestMruIndex = int.MaxValue;
currentData = null;
}
for (int i = 0; i < list.filteredItems.Count; i++)
{
var mruData = completionDataList [list.filteredItems [i]];
int curMruIndex = cache.GetIndex(mruData);
if (curMruIndex == 1)
{
continue;
}
if (curMruIndex < bestMruIndex)
{
int r1 = 0, r2 = 0;
if (currentData == null || matcher != null && matcher.CalcMatchRank(mruData.DisplayText, out r1) && matcher.CalcMatchRank(currentData.DisplayText, out r2))
{
if (r1 >= r2 || PartialWord.Length <= 1)
{
bestMruIndex = curMruIndex;
idx = i;
currentData = mruData;
}
}
}
}
return(idx);
}
public virtual int [] GetHighlightedIndices(CompletionData completionData, string completionString)
{
var matcher = CompletionMatcher.CreateCompletionMatcher(completionString);
return(matcher.GetMatch(completionData.DisplayText));
}
public virtual CompletionSelectionStatus FindMatchedEntry(ICompletionDataList completionDataList, MruCache cache, string partialWord, List <int> filteredItems)
{
// default - word with highest match rating in the list.
int idx = -1;
if (DefaultCompletionString != null && DefaultCompletionString.StartsWith(partialWord, StringComparison.OrdinalIgnoreCase))
{
partialWord = DefaultCompletionString;
}
StringMatcher matcher = null;
if (!string.IsNullOrEmpty(partialWord))
{
matcher = CompletionMatcher.CreateCompletionMatcher(partialWord);
string bestWord = null;
int bestRank = int.MinValue;
int bestIndex = 0;
int bestIndexPriority = int.MinValue;
for (int i = 0; i < filteredItems.Count; i++)
{
int index = filteredItems [i];
var data = completionDataList [index];
if (bestIndexPriority > data.PriorityGroup)
{
continue;
}
string text = data.DisplayText;
int rank;
if (!matcher.CalcMatchRank(text, out rank))
{
continue;
}
if (rank > bestRank || data.PriorityGroup > bestIndexPriority)
{
bestWord = text;
bestRank = rank;
bestIndex = i;
bestIndexPriority = data.PriorityGroup;
}
}
if (bestWord != null)
{
idx = bestIndex;
// exact match found.
if (string.Compare(bestWord, partialWord ?? "", true) == 0)
{
return(new CompletionSelectionStatus(idx));
}
}
}
CompletionData currentData;
int bestMruIndex;
if (idx >= 0)
{
currentData = completionDataList [filteredItems [idx]];
bestMruIndex = cache.GetIndex(currentData);
}
else
{
bestMruIndex = int.MaxValue;
currentData = null;
}
for (int i = 0; i < filteredItems.Count; i++)
{
var mruData = completionDataList [filteredItems [i]];
int curMruIndex = cache.GetIndex(mruData);
if (curMruIndex == 1)
{
continue;
}
if (curMruIndex < bestMruIndex)
{
int r1 = 0, r2 = 0;
if (currentData == null || matcher != null && matcher.CalcMatchRank(mruData.DisplayText, out r1) && matcher.CalcMatchRank(currentData.DisplayText, out r2))
{
if (r1 >= r2 || partialWord.Length == 0 || partialWord.Length == 1 && mruData.DisplayText [0] == partialWord [0])
{
bestMruIndex = curMruIndex;
idx = i;
currentData = mruData;
}
}
}
}
return(new CompletionSelectionStatus(idx));
}
protected int FindMatchedEntry(string partialWord, out bool hasMismatches)
{
// default - word with highest match rating in the list.
hasMismatches = true;
if (partialWord == null)
{
return(-1);
}
int idx = -1;
var matcher = CompletionMatcher.CreateCompletionMatcher(partialWord);
string bestWord = null;
int bestRank = int.MinValue;
int bestIndex = 0;
if (!string.IsNullOrEmpty(partialWord))
{
for (int i = 0; i < list.filteredItems.Count; i++)
{
int index = list.filteredItems[i];
string text = DataProvider.GetText(index);
int rank;
if (!matcher.CalcMatchRank(text, out rank))
{
continue;
}
if (rank > bestRank)
{
bestWord = text;
bestRank = rank;
bestIndex = i;
}
}
}
if (bestWord != null)
{
idx = bestIndex;
hasMismatches = false;
// exact match found.
if (string.Compare(bestWord, partialWord ?? "", true) == 0)
{
return(idx);
}
}
if (string.IsNullOrEmpty(partialWord) || partialWord.Length <= 2)
{
// Search for history matches.
string historyWord;
if (wordHistory.TryGetValue(partialWord, out historyWord))
{
for (int xIndex = 0; xIndex < list.filteredItems.Count; xIndex++)
{
string currentWord = DataProvider.GetCompletionText(list.filteredItems[xIndex]);
if (currentWord == historyWord)
{
idx = xIndex;
break;
}
}
}
}
return(idx);
}
public void FilterWords()
{
var newCategories = new List <Category> ();
var matcher = CompletionMatcher.CreateCompletionMatcher(CompletionString);
if (oldCompletionString == null || !CompletionString.StartsWith(oldCompletionString, StringComparison.Ordinal))
{
filteredItems.Clear();
for (int newSelection = 0; newSelection < win.DataProvider.ItemCount; newSelection++)
{
if (string.IsNullOrEmpty(CompletionString) || matcher.IsMatch(win.DataProvider.GetText(newSelection)))
{
var completionCategory = win.DataProvider.GetCompletionCategory(newSelection);
GetCategory(newCategories, completionCategory).Items.Add(newSelection);
filteredItems.Add(newSelection);
}
}
}
else
{
var oldItems = filteredItems;
filteredItems = new List <int> ();
foreach (int newSelection in oldItems)
{
if (string.IsNullOrEmpty(CompletionString) || matcher.IsMatch(win.DataProvider.GetText(newSelection)))
{
var completionCategory = win.DataProvider.GetCompletionCategory(newSelection);
GetCategory(newCategories, completionCategory).Items.Add(newSelection);
filteredItems.Add(newSelection);
}
}
}
filteredItems.Sort(delegate(int left, int right) {
int rank1, rank2;
var data1 = win.DataProvider.GetCompletionData(left);
var data2 = win.DataProvider.GetCompletionData(right);
if (data1 == null || data2 == null)
{
return(0);
}
if (data1.PriorityGroup != data2.PriorityGroup)
{
return(data2.PriorityGroup.CompareTo(data1.PriorityGroup));
}
if (string.IsNullOrEmpty(CompletionString))
{
return(win.DataProvider.CompareTo(left, right));
}
if (!matcher.CalcMatchRank(data1.CompletionText, out rank1))
{
return(0);
}
if (!matcher.CalcMatchRank(data2.CompletionText, out rank2))
{
return(0);
}
return(rank2.CompareTo(rank1));
});
// put the item from a lower priority group with the highest match rank always to position #2
if (filteredItems.Count > 0)
{
int idx = 0;
int rank;
var data = win.DataProvider.GetCompletionData(filteredItems [0]);
int firstGrp = data.PriorityGroup;
matcher.CalcMatchRank(data.CompletionText, out rank);
for (int i = 1; i < filteredItems.Count; i++)
{
var curData = win.DataProvider.GetCompletionData(filteredItems [i]);
if (curData.PriorityGroup == firstGrp)
{
continue;
}
int curRank;
matcher.CalcMatchRank(curData.CompletionText, out curRank);
if (curRank > rank)
{
idx = i;
rank = curRank;
}
}
if (idx != 0)
{
var tmp = filteredItems [idx];
for (int i = idx; i > 1; i--)
{
filteredItems [i] = filteredItems [i - 1];
}
filteredItems [1] = tmp;
}
}
newCategories.Sort(delegate(Category left, Category right) {
if (left.CompletionCategory == null)
{
return(1);
}
if (right.CompletionCategory == null)
{
return(-1);
}
return(left.CompletionCategory.CompareTo(right.CompletionCategory));
});
categories = newCategories;
//SelectFirstItemInCategory ();
CalcVisibleRows();
SetAdjustments();
OnWordsFiltered(EventArgs.Empty);
oldCompletionString = CompletionString;
}
protected override bool OnExposeEvent(Gdk.EventExpose args)
{
using (var context = Gdk.CairoHelper.Create(args.Window)) {
var scalef = GtkWorkarounds.GetScaleFactor(this);
context.LineWidth = 1;
var alloc = Allocation;
int width = alloc.Width;
int height = alloc.Height;
context.Rectangle(args.Area.X, args.Area.Y, args.Area.Width, args.Area.Height);
var backgroundColor = Styles.CodeCompletion.BackgroundColor.ToCairoColor();
var textColor = Styles.CodeCompletion.TextColor.ToCairoColor();
var categoryColor = Styles.CodeCompletion.CategoryColor.ToCairoColor();
context.SetSourceColor(backgroundColor);
context.Fill();
int xpos = iconTextSpacing;
int yPos = (int)-vadj.Value;
//when there are no matches, display a message to indicate that the completion list is still handling input
if (filteredItems.Count == 0)
{
context.Rectangle(0, yPos, width, height - yPos);
context.SetSourceColor(backgroundColor);
context.Stroke();
noMatchLayout.SetText(win.DataProvider.ItemCount == 0 ? NoSuggestionsMsg : NoMatchesMsg);
int lWidth, lHeight;
noMatchLayout.GetPixelSize(out lWidth, out lHeight);
context.SetSourceColor(textColor);
context.MoveTo((width - lWidth) / 2, yPos + (height - lHeight - yPos) / 2 - lHeight / 2);
Pango.CairoHelper.ShowLayout(context, noMatchLayout);
return(false);
}
var matcher = CompletionMatcher.CreateCompletionMatcher(CompletionString);
Iterate(true, ref yPos, delegate(Category category, int ypos) {
if (ypos >= height)
{
return;
}
if (ypos < -rowHeight)
{
return;
}
// window.DrawRectangle (this.Style.BackgroundGC (StateType.Insensitive), true, 0, yPos, width, rowHeight);
int x = 2;
if (category.CompletionCategory != null && !string.IsNullOrEmpty(category.CompletionCategory.Icon))
{
var icon = ImageService.GetIcon(category.CompletionCategory.Icon, IconSize.Menu);
context.DrawImage(this, icon, 0, ypos);
x = (int)icon.Width + 4;
}
context.Rectangle(0, ypos, Allocation.Width, rowHeight);
context.SetSourceColor(backgroundColor);
context.Fill();
// layout.SetMarkup ("<span weight='bold' foreground='#AAAAAA'>" + (category.CompletionCategory != null ? category.CompletionCategory.DisplayText : "Uncategorized") + "</span>");
// window.DrawLayout (textGCInsensitive, x - 1, ypos + 1 + (rowHeight - py) / 2, layout);
// layout.SetMarkup ("<span weight='bold'>" + (category.CompletionCategory != null ? category.CompletionCategory.DisplayText : "Uncategorized") + "</span>");
categoryLayout.SetMarkup((category.CompletionCategory != null ? category.CompletionCategory.DisplayText : "Uncategorized"));
int px, py;
categoryLayout.GetPixelSize(out px, out py);
context.MoveTo(x, ypos + (rowHeight - py) / 2);
context.SetSourceColor(categoryColor);
Pango.CairoHelper.ShowLayout(context, categoryLayout);
}, delegate(Category curCategory, int item, int itemidx, int ypos) {
if (ypos >= height)
{
return(false);
}
if (ypos < -rowHeight)
{
return(true);
}
const int categoryModeItemIndenting = 0;
if (InCategoryMode && curCategory != null && curCategory.CompletionCategory != null)
{
xpos = iconTextSpacing + categoryModeItemIndenting;
}
else
{
xpos = iconTextSpacing;
}
string markup = win.DataProvider.HasMarkup(item) ? (win.DataProvider.GetMarkup(item) ?? "<null>") : GLib.Markup.EscapeText(win.DataProvider.GetText(item) ?? "<null>");
string description = win.DataProvider.GetDescription(item, item == SelectedItem);
if (string.IsNullOrEmpty(description))
{
layout.SetMarkup(markup);
}
else
{
layout.SetMarkup(markup + " " + description);
}
string text = win.DataProvider.GetText(item);
if (!string.IsNullOrEmpty(text))
{
int [] matchIndices = matcher.GetMatch(text);
if (matchIndices != null)
{
Pango.AttrList attrList = layout.Attributes ?? new Pango.AttrList();
for (int newSelection = 0; newSelection < matchIndices.Length; newSelection++)
{
int idx = matchIndices [newSelection];
var bold = new AttrWeight(Weight.Bold);
bold.StartIndex = (uint)idx;
bold.EndIndex = (uint)(idx + 1);
attrList.Insert(bold);
if (item != SelectedItem)
{
var highlightColor = (item == SelectedItem) ? Styles.CodeCompletion.SelectionHighlightColor : Styles.CodeCompletion.HighlightColor;
var fg = new AttrForeground((ushort)(highlightColor.Red * ushort.MaxValue), (ushort)(highlightColor.Green * ushort.MaxValue), (ushort)(highlightColor.Blue * ushort.MaxValue));
fg.StartIndex = (uint)idx;
fg.EndIndex = (uint)(idx + 1);
attrList.Insert(fg);
}
}
layout.Attributes = attrList;
}
}
Xwt.Drawing.Image icon = win.DataProvider.GetIcon(item);
int iconHeight, iconWidth;
if (icon != null)
{
if (item == SelectedItem)
{
icon = icon.WithStyles("sel");
}
iconWidth = (int)icon.Width;
iconHeight = (int)icon.Height;
}
else if (!Gtk.Icon.SizeLookup(IconSize.Menu, out iconWidth, out iconHeight))
{
iconHeight = iconWidth = 24;
}
int wi, he, typos, iypos;
layout.GetPixelSize(out wi, out he);
typos = he < rowHeight ? ypos + (int)Math.Ceiling((rowHeight - he) / 2.0) : ypos;
if (scalef <= 1.0)
{
typos -= 1; // 1px up on non HiDPI
}
iypos = iconHeight < rowHeight ? ypos + (rowHeight - iconHeight) / 2 : ypos;
if (item == SelectedItem)
{
var barStyle = SelectionEnabled ? Styles.CodeCompletion.SelectionBackgroundColor : Styles.CodeCompletion.SelectionBackgroundInactiveColor;
context.Rectangle(0, ypos, Allocation.Width, rowHeight);
context.SetSourceColor(barStyle.ToCairoColor());
context.Fill();
}
if (icon != null)
{
context.DrawImage(this, icon, xpos, iypos);
xpos += iconTextSpacing;
}
context.SetSourceColor((item == SelectedItem ? Styles.CodeCompletion.SelectionTextColor : Styles.CodeCompletion.TextColor).ToCairoColor());
var textXPos = xpos + iconWidth + 2;
context.MoveTo(textXPos, typos);
layout.Width = (int)((Allocation.Width - textXPos) * Pango.Scale.PangoScale);
layout.Ellipsize = EllipsizeMode.End;
Pango.CairoHelper.ShowLayout(context, layout);
int textW, textH;
layout.GetPixelSize(out textW, out textH);
layout.Width = -1;
layout.Ellipsize = EllipsizeMode.None;
layout.SetMarkup("");
if (layout.Attributes != null)
{
layout.Attributes.Dispose();
layout.Attributes = null;
}
string rightText = win.DataProvider.GetRightSideDescription(item, item == SelectedItem);
if (!string.IsNullOrEmpty(rightText))
{
layout.SetMarkup(rightText);
int w, h;
layout.GetPixelSize(out w, out h);
const int leftpadding = 8;
const int rightpadding = 3;
w += rightpadding;
w = Math.Min(w, Allocation.Width - textXPos - textW - leftpadding);
wi += w;
typos = h < rowHeight ? ypos + (rowHeight - h) / 2 : ypos;
if (scalef <= 1.0)
{
typos -= 1; // 1px up on non HiDPI
}
context.MoveTo(Allocation.Width - w, typos);
layout.Width = (int)(w * Pango.Scale.PangoScale);
layout.Ellipsize = EllipsizeMode.End;
Pango.CairoHelper.ShowLayout(context, layout);
layout.Width = -1;
layout.Ellipsize = EllipsizeMode.None;
}
if (Math.Min(maxListWidth, wi + xpos + iconWidth + 2) > listWidth)
{
WidthRequest = listWidth = Math.Min(maxListWidth, wi + xpos + iconWidth + 2 + iconTextSpacing);
win.ResetSizes();
}
else
{
//workaround for the vscrollbar display - the calculated width needs to be the width ofthe render region.
if (Allocation.Width < listWidth)
{
if (listWidth - Allocation.Width < 30)
{
WidthRequest = listWidth + listWidth - Allocation.Width;
win.ResetSizes();
}
}
}
return(true);
});
return(false);
}
}
protected override bool OnExposeEvent(Gdk.EventExpose args)
{
Gdk.Window window = args.Window;
var alloc = Allocation;
int width = alloc.Width;
int height = alloc.Height;
int lineWidth = width - margin * 2;
int xpos = margin + padding;
int yPos = margin;
if (PreviewCompletionString)
{
layout.SetText(string.IsNullOrEmpty(CompletionString) ? MonoDevelop.Core.GettextCatalog.GetString("Select template") : CompletionString);
int wi, he;
layout.GetPixelSize(out wi, out he);
window.DrawRectangle(this.Style.BaseGC(StateType.Insensitive), true, margin, yPos, lineWidth, he + padding);
window.DrawLayout(string.IsNullOrEmpty(CompletionString) ? this.Style.TextGC(StateType.Insensitive) : this.Style.TextGC(StateType.Normal), xpos, yPos, layout);
yPos += rowHeight;
}
//when there are no matches, display a message to indicate that the completion list is still handling input
if (filteredItems.Count == 0)
{
Gdk.GC gc = new Gdk.GC(window);
gc.RgbFgColor = new Gdk.Color(0xff, 0xbc, 0xc1);
window.DrawRectangle(gc, true, 0, yPos, width, height - yPos);
layout.SetText(win.DataProvider.ItemCount == 0? NoSuggestionsMsg : NoMatchesMsg);
int lWidth, lHeight;
layout.GetPixelSize(out lWidth, out lHeight);
gc.RgbFgColor = new Gdk.Color(0, 0, 0);
window.DrawLayout(gc, (width - lWidth) / 2, yPos + (height - lHeight - yPos) / 2, layout);
gc.Dispose();
return(true);
}
var textGCInsensitive = this.Style.TextGC(StateType.Insensitive);
var textGCNormal = this.Style.TextGC(StateType.Normal);
var fgGCNormal = this.Style.ForegroundGC(StateType.Normal);
var matcher = CompletionMatcher.CreateCompletionMatcher(CompletionString);
var highlightColor = HighlightColor;
Iterate(true, ref yPos, delegate(Category category, int ypos) {
if (ypos >= height - margin)
{
return;
}
// window.DrawRectangle (this.Style.BackgroundGC (StateType.Insensitive), true, 0, yPos, width, rowHeight);
Gdk.Pixbuf icon = ImageService.GetPixbuf(category.CompletionCategory.Icon, IconSize.Menu);
window.DrawPixbuf(fgGCNormal, icon, 0, 0, margin, ypos, icon.Width, icon.Height, Gdk.RgbDither.None, 0, 0);
layout.SetMarkup("<span weight='bold'>" + category.CompletionCategory.DisplayText + "</span>");
window.DrawLayout(textGCInsensitive, icon.Width + 4, ypos, layout);
layout.SetMarkup("");
}, delegate(Category curCategory, int item, int ypos) {
if (ypos >= height - margin)
{
return(false);
}
int itemIndex = filteredItems[item];
if (InCategoryMode && curCategory != null && curCategory.CompletionCategory != null)
{
xpos = margin + padding + 8;
}
else
{
xpos = margin + padding;
}
string markup = win.DataProvider.HasMarkup(itemIndex) ? (win.DataProvider.GetMarkup(itemIndex) ?? "<null>") : GLib.Markup.EscapeText(win.DataProvider.GetText(itemIndex) ?? "<null>");
string description = win.DataProvider.GetDescription(itemIndex);
if (string.IsNullOrEmpty(description))
{
layout.SetMarkup(markup);
}
else
{
if (item == selection)
{
layout.SetMarkup(markup + " " + description);
}
else
{
layout.SetMarkup(markup + " <span foreground=\"darkgray\">" + description + "</span>");
}
}
int mw, mh;
layout.GetPixelSize(out mw, out mh);
if (mw > listWidth)
{
WidthRequest = listWidth = mw;
win.WidthRequest = win.Allocation.Width + mw - width;
win.QueueResize();
}
string text = win.DataProvider.GetText(itemIndex);
if ((!SelectionEnabled || item != selection) && !string.IsNullOrEmpty(text))
{
int[] matchIndices = matcher.GetMatch(text);
if (matchIndices != null)
{
Pango.AttrList attrList = layout.Attributes ?? new Pango.AttrList();
for (int newSelection = 0; newSelection < matchIndices.Length; newSelection++)
{
int idx = matchIndices[newSelection];
Pango.AttrForeground fg = new Pango.AttrForeground(highlightColor.Red, highlightColor.Green, highlightColor.Blue);
fg.StartIndex = (uint)idx;
fg.EndIndex = (uint)(idx + 1);
attrList.Insert(fg);
}
layout.Attributes = attrList;
}
}
Gdk.Pixbuf icon = win.DataProvider.GetIcon(itemIndex);
int iconHeight, iconWidth;
if (icon != null)
{
iconWidth = icon.Width;
iconHeight = icon.Height;
}
else if (!Gtk.Icon.SizeLookup(Gtk.IconSize.Menu, out iconWidth, out iconHeight))
{
iconHeight = iconWidth = 24;
}
int wi, he, typos, iypos;
layout.GetPixelSize(out wi, out he);
typos = he < rowHeight ? ypos + (rowHeight - he) / 2 : ypos;
iypos = iconHeight < rowHeight ? ypos + (rowHeight - iconHeight) / 2 : ypos;
if (item == selection)
{
if (SelectionEnabled)
{
window.DrawRectangle(this.Style.BaseGC(StateType.Selected), true, margin, ypos, lineWidth, he + padding);
window.DrawLayout(this.Style.TextGC(StateType.Selected), xpos + iconWidth + 2, typos, layout);
}
else
{
window.DrawRectangle(this.Style.DarkGC(StateType.Prelight), false, margin, ypos, lineWidth - 1, he + padding - 1);
window.DrawLayout(textGCNormal, xpos + iconWidth + 2, typos, layout);
}
}
else
{
window.DrawLayout(textGCNormal, xpos + iconWidth + 2, typos, layout);
}
if (icon != null)
{
window.DrawPixbuf(fgGCNormal, icon, 0, 0, xpos, iypos, iconWidth, iconHeight, Gdk.RgbDither.None, 0, 0);
}
layout.SetMarkup("");
if (layout.Attributes != null)
{
layout.Attributes.Dispose();
layout.Attributes = null;
}
return(true);
});
/*
* int n = 0;
* while (ypos < winHeight - margin && (page + n) < filteredItems.Count) {
*
* bool hasMarkup = win.DataProvider.HasMarkup (filteredItems[page + n]);
* if (hasMarkup) {
* layout.SetMarkup (win.DataProvider.GetMarkup (filteredItems[page + n]) ?? "<null>");
* } else {
* layout.SetText (win.DataProvider.GetText (filteredItems[page + n]) ?? "<null>");
* }
* string text = win.DataProvider.GetText (filteredItems[page + n]);
* if ((!SelectionEnabled || page + n != selection) && !string.IsNullOrEmpty (text)) {
* int[] matchIndices = Match (CompletionString, text);
* if (matchIndices != null) {
* Pango.AttrList attrList = layout.Attributes ?? new Pango.AttrList ();
* for (int newSelection = 0; newSelection < matchIndices.Length; newSelection++) {
* int idx = matchIndices[newSelection];
* Pango.AttrForeground fg = new Pango.AttrForeground (0, 0, ushort.MaxValue);
* fg.StartIndex = (uint)idx;
* fg.EndIndex = (uint)(idx + 1);
* attrList.Insert (fg);
* }
* layout.Attributes = attrList;
* }
* }
*
* Gdk.Pixbuf icon = win.DataProvider.GetIcon (filteredItems[page + n]);
* int iconHeight, iconWidth;
* if (icon != null) {
* iconWidth = icon.Width;
* iconHeight = icon.Height;
* } else if (!Gtk.Icon.SizeLookup (Gtk.IconSize.Menu, out iconWidth, out iconHeight)) {
* iconHeight = iconWidth = 24;
* }
*
* int wi, he, typos, iypos;
* layout.GetPixelSize (out wi, out he);
* typos = he < rowHeight ? ypos + (rowHeight - he) / 2 : ypos;
* iypos = iconHeight < rowHeight ? ypos + (rowHeight - iconHeight) / 2 : ypos;
* if (page + n == selection) {
* if (SelectionEnabled) {
* window.DrawRectangle (this.Style.BaseGC (StateType.Selected), true, margin, ypos, lineWidth, he + padding);
* window.DrawLayout (this.Style.TextGC (StateType.Selected), xpos + iconWidth + 2, typos, layout);
* } else {
* window.DrawRectangle (this.Style.DarkGC (StateType.Prelight), false, margin, ypos, lineWidth - 1, he + padding - 1);
* window.DrawLayout (this.Style.TextGC (StateType.Normal), xpos + iconWidth + 2, typos, layout);
* }
* } else
* window.DrawLayout (this.Style.TextGC (StateType.Normal), xpos + iconWidth + 2, typos, layout);
* if (icon != null)
* window.DrawPixbuf (this.Style.ForegroundGC (StateType.Normal), icon, 0, 0, xpos, iypos, iconWidth, iconHeight, Gdk.RgbDither.None, 0, 0);
* ypos += rowHeight;
* n++;
* if (hasMarkup)
* layout.SetMarkup (string.Empty);
* if (layout.Attributes != null) {
* layout.Attributes.Dispose ();
* layout.Attributes = null;
* }
* }
*/
return(true);
}
protected override bool OnExposeEvent(Gdk.EventExpose args)
{
using (var context = Gdk.CairoHelper.Create(args.Window)) {
context.LineWidth = 1;
var alloc = Allocation;
int width = alloc.Width;
int height = alloc.Height;
context.Rectangle(args.Area.X, args.Area.Y, args.Area.Width, args.Area.Height);
context.Color = this.backgroundColor;
context.Fill();
int xpos = iconTextSpacing;
int yPos = (int)-vadj.Value;
//when there are no matches, display a message to indicate that the completion list is still handling input
if (filteredItems.Count == 0)
{
context.Rectangle(0, yPos, width, height - yPos);
context.Color = backgroundColor;
context.Stroke();
noMatchLayout.SetText(win.DataProvider.ItemCount == 0 ? NoSuggestionsMsg : NoMatchesMsg);
int lWidth, lHeight;
noMatchLayout.GetPixelSize(out lWidth, out lHeight);
context.Color = textColor;
context.MoveTo((width - lWidth) / 2, yPos + (height - lHeight - yPos) / 2 - lHeight);
PangoCairoHelper.ShowLayout(context, noMatchLayout);
return(false);
}
var matcher = CompletionMatcher.CreateCompletionMatcher(CompletionString);
Iterate(true, ref yPos, delegate(Category category, int ypos) {
if (ypos >= height)
{
return;
}
if (ypos < -rowHeight)
{
return;
}
// window.DrawRectangle (this.Style.BackgroundGC (StateType.Insensitive), true, 0, yPos, width, rowHeight);
int x = 2;
if (category.CompletionCategory != null && !string.IsNullOrEmpty(category.CompletionCategory.Icon))
{
var icon = ImageService.GetPixbuf(category.CompletionCategory.Icon, IconSize.Menu);
Gdk.CairoHelper.SetSourcePixbuf(context, icon, 0, ypos);
context.Paint();
x = icon.Width + 4;
}
context.Rectangle(0, ypos, Allocation.Width, rowHeight);
context.Color = backgroundColor;
context.Fill();
// layout.SetMarkup ("<span weight='bold' foreground='#AAAAAA'>" + (category.CompletionCategory != null ? category.CompletionCategory.DisplayText : "Uncategorized") + "</span>");
// window.DrawLayout (textGCInsensitive, x - 1, ypos + 1 + (rowHeight - py) / 2, layout);
// layout.SetMarkup ("<span weight='bold'>" + (category.CompletionCategory != null ? category.CompletionCategory.DisplayText : "Uncategorized") + "</span>");
categoryLayout.SetMarkup((category.CompletionCategory != null ? category.CompletionCategory.DisplayText : "Uncategorized"));
int px, py;
categoryLayout.GetPixelSize(out px, out py);
context.MoveTo(x, ypos + (rowHeight - py) / 2);
context.Color = textColor;
PangoCairoHelper.ShowLayout(context, categoryLayout);
}, delegate(Category curCategory, int item, int itemidx, int ypos) {
if (ypos >= height)
{
return(false);
}
if (ypos < -rowHeight)
{
return(true);
}
const int categoryModeItemIndenting = 0;
if (InCategoryMode && curCategory != null && curCategory.CompletionCategory != null)
{
xpos = iconTextSpacing + categoryModeItemIndenting;
}
else
{
xpos = iconTextSpacing;
}
string markup = win.DataProvider.HasMarkup(item) ? (win.DataProvider.GetMarkup(item) ?? "<null>") : GLib.Markup.EscapeText(win.DataProvider.GetText(item) ?? "<null>");
string description = win.DataProvider.GetDescription(item);
if (string.IsNullOrEmpty(description))
{
layout.SetMarkup(markup);
}
else
{
if (item == SelectedItem)
{
layout.SetMarkup(markup + " " + description);
}
else
{
layout.SetMarkup(markup + " <span foreground=\"darkgray\">" + description + "</span>");
}
}
string text = win.DataProvider.GetText(item);
if (!string.IsNullOrEmpty(text))
{
int[] matchIndices = matcher.GetMatch(text);
if (matchIndices != null)
{
Pango.AttrList attrList = layout.Attributes ?? new Pango.AttrList();
for (int newSelection = 0; newSelection < matchIndices.Length; newSelection++)
{
int idx = matchIndices [newSelection];
var fg = new AttrForeground((ushort)(highlightColor.R * ushort.MaxValue), (ushort)(highlightColor.G * ushort.MaxValue), (ushort)(highlightColor.B * ushort.MaxValue));
fg.StartIndex = (uint)idx;
fg.EndIndex = (uint)(idx + 1);
attrList.Insert(fg);
}
layout.Attributes = attrList;
}
}
Gdk.Pixbuf icon = win.DataProvider.GetIcon(item);
int iconHeight, iconWidth;
if (icon != null)
{
iconWidth = icon.Width;
iconHeight = icon.Height;
}
else if (!Gtk.Icon.SizeLookup(Gtk.IconSize.Menu, out iconWidth, out iconHeight))
{
iconHeight = iconWidth = 24;
}
int wi, he, typos, iypos;
layout.GetPixelSize(out wi, out he);
typos = he < rowHeight ? ypos + (rowHeight - he) / 2 : ypos;
iypos = iconHeight < rowHeight ? ypos + (rowHeight - iconHeight) / 2 : ypos;
if (item == SelectedItem)
{
context.Rectangle(0, ypos, Allocation.Width, rowHeight / 2);
context.Color = SelectionEnabled ? selectedItemColor.Foreground : selectedItemInactiveColor.Background;
context.Fill();
context.Rectangle(0, ypos + rowHeight / 2, Allocation.Width, rowHeight / 2);
context.Color = SelectionEnabled ? selectedItemColor.Background : selectedItemInactiveColor.Background;
context.Fill();
context.Rectangle(0.5, ypos + 0.5, Allocation.Width - 1, rowHeight - 1);
if (!SelectionEnabled)
{
context.SetDash(new double[] { 4, 4 }, 0);
}
context.Color = SelectionEnabled ? selectionBorderColor : selectionBorderInactiveColor;
context.Stroke();
}
if (icon != null)
{
Gdk.CairoHelper.SetSourcePixbuf(context, icon, xpos, iypos);
context.Paint();
xpos += iconTextSpacing;
}
context.Color = textColor;
context.MoveTo(xpos + iconWidth + 2, typos);
PangoCairoHelper.ShowLayout(context, layout);
if (wi + xpos + iconWidth + 2 > listWidth)
{
WidthRequest = listWidth = wi + xpos + iconWidth + 2 + iconTextSpacing;
win.ResetSizes();
}
else
{
//workaround for the vscrollbar display - the calculated width needs to be the width ofthe render region.
if (Allocation.Width < listWidth)
{
if (listWidth - Allocation.Width < 30)
{
WidthRequest = listWidth + listWidth - Allocation.Width;
win.ResetSizes();
}
}
}
layout.SetMarkup("");
if (layout.Attributes != null)
{
layout.Attributes.Dispose();
layout.Attributes = null;
}
return(true);
});
return(false);
}
}
