CAAPE User's Manual - ALSTOM Signaling Inc.

Using CAAPE Graphics6.5.3.3. Navigating the Logic View WindowLogic statements are displayed from top to bottom. Vertical and horizontal scroll barscan be used to move the display through the logic.The arrow keys can be used to move the caret in small increments. The Page Up andPage Down keys can be used to page the display through the logic. If the Ctrl key isheld down while these keys are used, the display moves to the very start or the veryend of the logic instead. If the caret is currently over a statement, the Home key movesit all the way to the statement’s left and the End key moves it all the way to thestatement’s right.Edit | Go to | Next and Edit | Go to | Previous items are available in the main menuand the toolbar to move the display from one statement to another. Equivalent buttonsexist on the logic toolbar.6.5.3.4. Selecting Logic ItemsSome operations such as Delete can only be performed on logic items that have beenselected by the user. Selected items are specially marked on the display.A single item in the logic can be selected by left or right clicking over it, or by moving thecaret over it and pressing the spacebar or using the Edit | Select menu item.Multiple items of certain types can be selected by clicking over each with the Ctrl keyheld down:• Multiple statements• Multiple branches• Multiple logic elements on the same or different branches• Multiple equation resultsIn some cases multiple items can also be selected by rubber-banding: press the leftmouse button down, move the mouse until the displayed rectangle completelysurrounds the desired items, then release the button. These items can be selected byrubber-banding:• Multiple consecutive statements• Multiple consecutive parallel branches• Multiple consecutive logic elements on a single branch• Multiple equation resultsP2512A, Rev. Oct/09 6–23 Alstom Signaling Inc.