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3.2 Legend Window


Table: Operations on the Legend window's columns.
Icon Description
Left Mouse Click on Column Cell
Right Mouse Click on Column Cell or Left Mouse Click on Column Title
Image legend_topo Topology
Pick new Color (Figure [*])
None
Image legend_name Name
Edit Name
Sort Order menu (Figure [*])
Image legend_v Visibility
Check or Uncheck
Checkbox Operations Menu (Figure [*])
Image legend_s Searchability
Check or Uncheck
Checkbox Operations Menu (Figure [*])


As soon as a SLOG-2 file is selected in Main window, the Legend window like the one shown in Figure [*] will be displayed. The Legend window contains mainly the 4 columns legend table. The 4 columns are labeled as Topo, Name, V and S as in Table [*]. Table [*] also lists out all defined mouse operations that are provided in each column. The operations are left mouse clicking on the column title icon and on the column cell as well as right mouse clicking in any column cell.

Figure: Color Chooser Dialog for column Category Topology
Image legend_color_chooser

Figure [*] is the Color Chooser dialog that will pop up when one of the icon buttons in column Topo is pressed. The color editor provides 3 different ways of choosing a new color. After selecting a new color from the dialog, the new color will be used to update the icon button. The update won't be carried out in the timeline canvas automatically, explicit screen redraw is needed.

Figure: Sort Order operation menu for the column Category Name in the Legend window.
Image legend_sort_menu

Figure [*] shows the popup dialog box either when the title icon of column Name is pressed or when right mouse button is clicked somewhere in the column. There are altogether 6 different sort orders. The first order in the list is called Creation Order which refers to the category order is stored in slog2 file when it is being created. The 4 alphabetical ordering has a hidden sort order that is not mentioned in their names. This hidden order is called Preview Order which puts the preview drawable category before all the real drawable categories of the same topology. The word Topo Order refers to topologyical order. Taking altogether, ``Case Sensitive Topo Order'' means first topological order, preview order, then case sensitive alphabetical order. The various orderings serve to facilitate the continuous selection of the category rows in the legend table.

Figure: Checkbox Operation menu for column Category Visibility and Searchability
Image legend_checkbox_menu

Figure [*] shows a popup dialog box when the title icon of column V (Visibililty) or S (Searchability) is pressed or when right mouse button is clicked somewhere in either columns. The rule of selection in the legend table follows the standard practice of other graphical user interfaces as in the Table [*]. Together with this standard selection rules, the operations provided in checkbox operation menu allow easy enabling and disabling of visibility as well as searchability checkboxes.


Table: Standard Selection Rules.
Left Mouse Operation
Action
CLICK
Click on an object deselects any existing selection and selects the object.
CONTROL-CLICK
Control-click on an object toggles its selection without affecting the selection of any other objects
SHIFT-CLICK
Shift-click on an object extends the selection from the most recently selected object to the current object.
DRAGGING
Dragging (that is, moving the mouse while holding down left mouse button) through a range of TEXT deselects any existing selection and selects the range of text.


NOTE: Any changes done in the Legend window that alters the appearance of drawables won't be automatically updated in the timeline canvas until the CanvasReDraw button in the Timeline window is pressed.


next up previous contents
Next: 3.3 Timeline Window Up: 3. Graphical User Interface Previous: 3.1 Main Window   Contents