search/Tiles/DetailsPane.cs

   1 using System;
   2
   3 namespace Search.Tiles {
   4
   5         public class DetailsPane : Gtk.Table {
   6
   7                 public DetailsPane () : base (1, 2, false)
   8                 {
   9                         RowSpacing = ColumnSpacing = 6;
  10                         BorderWidth = 6;
  11
  12                         icon = new Gtk.Image ();
  13                         icon.Show ();
  14                         Attach (icon, 0, 1, 0, 1, fill, fill, 0, 0);
  15
  16                         SizeRequested += DetailsSizeRequested;
  17                 }
  18
  19                 private Gtk.Image icon;
  20                 public Gtk.Image Icon {
  21                         get { return icon; }
  22                 }
  23
  24                 private Gtk.Label snippet;
  25                 public Gtk.Label Snippet {
  26                         get { return snippet; }
  27                 }
  28
  29                 bool maximized = false;
  30
  31                 // FIXME: overriding OnSizeRequested directly results in a 0x0 req
  32                 [GLib.ConnectBefore]
  33                 private void DetailsSizeRequested (object obj, Gtk.SizeRequestedArgs args)
  34                 {
  35                         if (maximized)
  36                                 return;
  37
  38                         Gtk.Table.TableChild[,] children = new Gtk.Table.TableChild[NColumns, NRows];
  39
  40                         foreach (Gtk.Widget child in Children) {
  41                                 Gtk.Table.TableChild tc = this[child] as Gtk.Table.TableChild;
  42                                 children[tc.LeftAttach, tc.TopAttach] = tc;
  43                         }
  44
  45                         // Expand the icon down to the bottom or the first label
  46                         if (children[0, 0] != null && children[0, 0].Child == icon) {
  47                                 uint max_icon_row;
  48                                 for (max_icon_row = 1; max_icon_row < NRows; max_icon_row++) {
  49                                         if (children[0, max_icon_row] != null)
  50                                                 break;
  51                                 }
  52
  53                                 children[0, 0].BottomAttach = max_icon_row;
  54                         }
  55
  56                         // Expand all labels (except in column 0) rightward
  57                         for (uint row = 0; row < NRows; row++) {
  58                                 for (uint col = 1; col < NColumns; col++) {
  59                                         if (children[col, row] == null ||
  60                                             !(children[col, row].Child is Gtk.Label))
  61                                                 continue;
  62                                         uint end = col + 1;
  63                                         while (end < NColumns &&
  64                                                children[end, row] == null)
  65                                                 end++;
  66                                         if (end > col + 1)
  67                                                 children[col, row].RightAttach = end;
  68                                 }
  69                         }
  70
  71                         // Vertically expand only the bottom row
  72                         for (uint row = 0; row < NRows; row++) {
  73                                 for (uint col = 1; col < NColumns; col++) {
  74                                         if (children[col, row] == null)
  75                                                 continue;
  76                                         children[col, row].YOptions = (row == NRows - 1) ? expand : fill;
  77                                 }
  78                         }
  79
  80                         maximized = true;
  81                 }
  82
  83                 private const Gtk.AttachOptions expand = Gtk.AttachOptions.Expand | Gtk.AttachOptions.Fill;
  84                 private const Gtk.AttachOptions fill = Gtk.AttachOptions.Fill;
  85
  86                 private uint current_row = 0;
  87
  88                 private Gtk.Label AddGrayLabel (string text, uint row, uint column)
  89                 {
  90                         Gtk.Label label = WidgetFu.NewGrayLabel (text);
  91                         label.Show ();
  92                         Attach (label, column, column + 1, row, row + 1, fill, fill, 0, 0);
  93                         maximized = false;
  94                         return label;
  95                 }
  96
  97                 private Gtk.Label AddLabel (string text, uint row, uint column)
  98                 {
  99                         Gtk.Label label = WidgetFu.NewLabel (text);
 100                         label.Selectable = true;
 101                         WidgetFu.EllipsizeLabel (label);
 102                         label.Show ();
 103                         Attach (label, column, column + 1, row, row + 1, expand, fill, 0, 0);
 104                         maximized = false;
 105                         return label;
 106                 }
 107
 108                 private Gtk.Label AddBoldLabel (string text, uint row, uint column)
 109                 {
 110                         Gtk.Label label = WidgetFu.NewBoldLabel (text);
 111                         WidgetFu.EllipsizeLabel (label);
 112                         label.Show ();
 113                         Attach (label, column, column + 1, row, row + 1, expand, fill, 0, 0);
 114                         maximized = false;
 115                         return label;
 116                 }
 117
 118                 public Gtk.Label AddTitleLabel (string text)
 119                 {
 120                         Gtk.Label label = AddBoldLabel (text, current_row++, 1);
 121                         label.Selectable = true;
 122                         return label;
 123                 }
 124
 125                 public Gtk.Label AddTextLabel (string text)
 126                 {
 127                         Gtk.Label label = AddLabel (text, current_row++, 1);
 128                         return label;
 129                 }
 130
 131                 public void AddLabelPair (string label, string text)
 132                 {
 133                         AddGrayLabel (label, current_row, 1);
 134                         AddLabel (text, current_row++, 2);
 135                 }
 136
 137                 public Gtk.Label AddSnippet ()
 138                 {
 139                         snippet = WidgetFu.NewLabel ();
 140                         snippet.Selectable = true;
 141                         WidgetFu.EllipsizeLabel (snippet);
 142                         snippet.Show ();
 143                         Attach (snippet, 1, 2, current_row, ++current_row, expand, fill, 48, 0);
 144                         maximized = false;
 145
 146                         return snippet;
 147                 }
 148
 149                 public Gtk.Label AddNewLine ()
 150                 {
 151                         Gtk.Label label = WidgetFu.NewLabel ("");
 152                         label.Show ();
 153                         Attach (label, 1, 2, current_row, ++current_row, fill, fill, 0, 0);
 154                         return label;
 155                 }
 156
 157                 public Gtk.Label AddFinalLine ()
 158                 {
 159                         Gtk.Label label = WidgetFu.NewLabel ("");
 160                         label.Show ();
 161                         Attach (label, 1, 2, current_row, ++current_row, expand, expand, 0, 0);
 162                         return label;
 163                 }
 164
 165                 public void GotSnippet (string text)
 166                 {
 167                         snippet.Markup = text;
 168                 }
 169         }
 170 }