void ExposeHandler(object obj, ExposeEventArgs args) { int max_steps = 25; int displ; Gdk.Window win = args.Event.Window; Gdk.Rectangle area = args.Event.Area; win.DrawRectangle(Style.BaseGC(StateType.Normal), true, area); for (int y = 0, row = top_displayed; y < area.Y + area.Height; y += line_height, row++) { Gdk.GC gc; Gdk.Rectangle region_area = new Gdk.Rectangle(0, y, Allocation.Width, line_height); StateType state = StateType.Normal; if (sel_rows.Contains(row)) { if (HasFocus) { state = StateType.Selected; } else { state = StateType.Active; } win.DrawRectangle(Style.BaseGC(state), true, region_area); } //FIXME: we have a ghost row at the end of the list! if (row >= provider.Rows) { return; } string text = ""; if (ellipses[row] == null) { text = provider.GetValue(row); } else { text = (string)ellipses[row]; } displ = (int)((max_steps / HAdjustment.Upper) * HAdjustment.Value); text = ELabel.Ellipsize(layout, text, Allocation.Width - 2 * 2, ellipsis_width, en_width, displ); layout.SetText(text); gc = Style.TextGC(state); win.DrawLayout(gc, 2, y, layout); } args.RetVal = true; }
protected override bool OnExposeEvent(EventExpose evnt) { Gdk.Window win = evnt.Window; win.DrawRectangle(Style.BaseGC(string.IsNullOrEmpty(Markup) ? StateType.Insensitive : StateType.Normal), true, evnt.Area); int x = 0; int y = 0; if (string.IsNullOrEmpty(Markup)) { layout.SetMarkup(GettextCatalog.GetString("No documentation available.")); int width, height; layout.GetPixelSize(out width, out height); x = (Allocation.Width - width) / 2; y = (Allocation.Height - height) / 2; } else { layout.SetMarkup(Markup); } layout.Width = Allocation.Width * (int)Pango.Scale.PangoScale; win.DrawLayout(Style.TextGC(StateType.Normal), x, y, layout); return(true); }
void DrawTicks(Gdk.Window win, Gdk.GC gc, TickEnumerator e, AxisPosition pos, AxisDimension ad, int tickSize, bool showLabels) { int rwidth, rheight; win.GetSize(out rwidth, out rheight); Pango.Layout layout = null; if (showLabels) { layout = new Pango.Layout(this.PangoContext); layout.FontDescription = Pango.FontDescription.FromString("Tahoma 8"); } bool isX = pos == AxisPosition.Top || pos == AxisPosition.Bottom; bool isTop = pos == AxisPosition.Top || pos == AxisPosition.Right; double start = GetStart(ad); double end = GetEnd(ad); e.Init(GetOrigin(ad)); while (e.CurrentValue > start) { e.MovePrevious(); } int lastPosLabel; int lastPos; int lastTw = 0; if (isX) { lastPosLabel = reverseXAxis ? left + width + MinLabelGapX : left - MinLabelGapX; lastPos = left - minTickStep * 2; } else { lastPosLabel = reverseYAxis ? top - MinLabelGapY : rheight + MinLabelGapY; lastPos = top + height + minTickStep * 2; } for ( ; e.CurrentValue <= end; e.MoveNext()) { int px, py; int tw = 0, th = 0; int tick = tickSize; GetPoint(e.CurrentValue, e.CurrentValue, out px, out py); if (showLabels) { layout.SetMarkup(e.CurrentLabel); layout.GetPixelSize(out tw, out th); } if (isX) { if (Math.Abs((long)px - (long)lastPos) < minTickStep || px < left || px > left + width) { continue; } lastPos = px; bool labelFits = false; if ((Math.Abs(px - lastPosLabel) - (tw / 2) - (lastTw / 2)) >= MinLabelGapX) { lastPosLabel = px; lastTw = tw; labelFits = true; } if (isTop) { if (showLabels) { if (labelFits) { win.DrawLayout(gc, px - (tw / 2), top - AreaBorderWidth - th, layout); } else { tick = tick / 2; } } win.DrawLine(gc, px, top, px, top + tick); } else { if (showLabels) { if (labelFits) { win.DrawLayout(gc, px - (tw / 2), top + height + AreaBorderWidth, layout); } else { tick = tick / 2; } } win.DrawLine(gc, px, top + height, px, top + height - tick); } } else { if (Math.Abs((long)lastPos - (long)py) < minTickStep || py < top || py > top + height) { continue; } lastPos = py; bool labelFits = false; if ((Math.Abs(py - lastPosLabel) - (th / 2) - (lastTw / 2)) >= MinLabelGapY) { lastPosLabel = py; lastTw = th; labelFits = true; } if (isTop) { if (showLabels) { if (labelFits) { win.DrawLayout(gc, left + width + AreaBorderWidth + 1, py - (th / 2), layout); } else { tick = tick / 2; } } win.DrawLine(gc, left + width, py, left + width - tick, py); } else { if (showLabels) { if (labelFits) { win.DrawLayout(gc, left - AreaBorderWidth - tw - 1, py - (th / 2), layout); } else { tick = tick / 2; } } win.DrawLine(gc, left, py, left + tick, py); } } } }
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); gc.Dispose(); layout.SetText(win.DataProvider.ItemCount == 0? NoSuggestionsMsg : NoMatchesMsg); int lWidth, lHeight; layout.GetPixelSize(out lWidth, out lHeight); window.DrawLayout(this.Style.TextGC(StateType.Normal), (width - lWidth) / 2, yPos + (height - lHeight - yPos) / 2, layout); return(true); } var textGCInsensitive = this.Style.TextGC(StateType.Insensitive); var textGCNormal = this.Style.TextGC(StateType.Normal); var fgGCNormal = this.Style.ForegroundGC(StateType.Normal); 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 = 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(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; Gdk.Window window = args.Window; 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) { Gdk.GC gc = new Gdk.GC(window); gc.RgbFgColor = backgroundColor.ToGdkColor(); window.DrawRectangle(gc, true, 0, yPos, width, height - yPos); noMatchLayout.SetText(win.DataProvider.ItemCount == 0 ? NoSuggestionsMsg : NoMatchesMsg); int lWidth, lHeight; noMatchLayout.GetPixelSize(out lWidth, out lHeight); gc.RgbFgColor = (Mono.TextEditor.HslColor)textColor; window.DrawLayout(gc, (width - lWidth) / 2, yPos + (height - lHeight - yPos) / 2 - lHeight, noMatchLayout); gc.Dispose(); return(false); } var textGCNormal = new Gdk.GC(window); textGCNormal.RgbFgColor = (Mono.TextEditor.HslColor)textColor; var fgGCNormal = this.Style.ForegroundGC(StateType.Normal); 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); window.DrawPixbuf(fgGCNormal, icon, 0, 0, 0, ypos, icon.Width, icon.Height, Gdk.RgbDither.None, 0, 0); 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); window.DrawLayout(textGCNormal, x, ypos + (rowHeight - py) / 2, 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) { window.DrawPixbuf(fgGCNormal, icon, 0, 0, xpos, iypos, iconWidth, iconHeight, Gdk.RgbDither.None, 0, 0); xpos += iconTextSpacing; } window.DrawLayout(textGCNormal, xpos + iconWidth + 2, typos, 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); }); /* * 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(false); } }
void DrawText(Gdk.Window win, Gdk.GC gc, int x, int y, Gdk.Color foregound, Pango.Layout layout) { gc.RgbFgColor = foregound; win.DrawLayout(gc, x, y, layout); }