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| <noinclude>[[Category:Ide]]</noinclude> | | <noinclude>[[Category:Ide/Create New Project Items]]</noinclude> |
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| | == Creating a Menu == |
| The '''Menu Editor''' can be used to create both pull-down menus (for windows), and pop-up menus (useful for object oriented user interfaces).
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| ==== Creating a New Menu ====
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| To create and register a new menu in a project you need to use the '''File | New''' menu command. In the opened '''Create Project Item''' dialog you should select the '''Menu''' type of created item. Then the dialog will accept the following shape: | | To create and register a new menu in a project you need to use the '''File | New''' menu command. In the opened '''Create Project Item''' dialog you should select the '''Menu''' type of created item. Then the dialog will accept the following shape: |
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| :In the '''Parent Directory''' field you should type in the parent directory (the <vp>TaskWindow\</vp> on the picture). The menu resource file will be placed into the selected directory. | | :In the '''Parent Directory''' field you should type in the parent directory (the <vp>TaskWindow\</vp> on the picture). The menu resource file will be placed into the selected directory. |
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| ==== Menu Attributes Dialog ====
| | === Menu Attributes Dialog === |
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| After you press the '''OK''' button in the '''Create Project Item''' dialog, the '''Menu Attributes''' dialog appears. | | After you press the '''OK''' button in the '''Create Project Item''' dialog, the '''Menu Attributes''' dialog appears. |
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| *'''Resourse File''' | | *'''Resourse File''' |
| *:In this read-only field the programmer can see the name of the file in which the creating menu resource will be stored. | | *:In this read-only field the programmer can see the name of the file in which the creating menu resource will be stored. |
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| ==== Editing a Menu ====
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| To edit a menu, double-click (or press '''Enter''') the name of a file with a menu description in the project tree in the '''Project''' window. For example '''TaskMenu.mnu'''. The '''Menu Editor''' dialog appears and you can create (or modify) whatever kind of a menu you wish.
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| [[Image:Ide_MenuTask.png|center|frame|'''Menu Editor''']]
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| The '''Menu Editor''' dialog allows you to modify or delete existing menu items or add new ones. The main pane in this dialog contains the tree of menu items of the edited (it is '''TaskMenu''' in the picture) menu.
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| By pressing the '''New''' toolbar buttons it is possible to create new menu items and sub-items. You can use: [[Image:Ide_MenuEdit_First.png]] - the '''New First Item''', [[Image:Ide_MenuEdit_New.png]] - the next '''New Item''' , and [[Image:Ide_MenuEdit_Subitem.png]] - the menu '''New SubItem'''.
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| Menu items can optionally be grouped by inserting separators. To insert a separator just click the '''New Separator''' toolbar button [[Image:Ide_MenuEdit_Separator.png]].
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| '''Cut''', '''Copy''' and '''Paste''' operations for selected menu items (with all their submenu items) can be executed with '''Ctrl+X''', '''Ctrl+C''', and '''Ctrl+V''' keyboard accelerators.
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| The '''Menu Editor''' can create nested menus of any level. To enter/create a submenu for the selected menu item click the '''Submenu''' button [[Image:Ide_MenuEdit_Subitem.png]].
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| By pressing the '''Test''' toolbar button [[Image:Ide_MenuEdit_Test.png]] you activate the test mode in which the edited menu will be displayed instead of the main IDE menu. You can open it submenus, etc. To exit the test mode, you can click somewhere in the IDE window out of the tested menu.
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| ==== Customizing Menu Item Attributes ====
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| In the bottom of the menu editor dialog you see the big pane (the '''Menu Tree''' pane) in which you can see the edited menu tree. Menu items prefixed with the plus [[Image:Ide_Plus_Icon.png]] icon have submenus. Click the plus [[Image:Ide_Plus_Icon.png]] icon or press the right arrow on the keypad to expand one level of such submenu. Notice that the plus [[Image:Ide_Plus_Icon.png]] icon before expanded menu items is changed for the minus [[Image:Ide_Minus_Icon.png]] icon.
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| When you select any menu item in the menu tree, the menu editor controls display attributes of this menu item. For each menu item the programmer can specify the following attributes:
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| *'''Item Title'''
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| *:Select a menu item in the '''Menu Tree''' pane and click the menu item title. The menu item title becomes surrounded by the frame like:
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| *:[[Image:Ide_MenuEdit_Title.png]]
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| *:Here you can specify/edit the menu item title (name).
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| *:* The menu item title may contain up to 255 characters. It may include the '''\t''' (tab) escape sequence.
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| *:* In the menu item title the ampersand symbol '''&''' can be used for indicating that the following character is to be underlined. For example, if you type in the string '''&Contents''', then at runtime this menu item will be displayed as <u>'''C'''</u>'''ontents'''. I.e. the character <u>'''C'''</u> will be displayed underlined (thus visually indicating that the <u>'''C'''</u> is an accelerator key). The underlined character should be unique on each level of a menu. If you need to display the '''&''' character, use two '''&&'''.
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| *'''Item Constant'''
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| *:The '''Item Constant''' input box is where you can select or type in the symbolic (or integer) constant that will be used as the menu item identifier. It can be typed-in directly from the keyboard or selected from the list of available constants (by clicking the [[Image:Ide_ListButton_Button.png]] button). It must be either a legal symbolic constant (for example, '''''id_help_contents''''') or an integer value.
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| *:<br />If you enter a symbolic constant name, then the IDE automatically places this symbolic constant into the '''resourceidentifiers.i''' file and generates an appropriate integer value for it. The '''Menu Editor''' automatically generates the default symbolic constant name (for example, '''''id_file_exit''''') from the '''Constant Prefix''' '''''id_file''''' and names of menu items ('''Exit''' on the picture).
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| *'''Constant Prefix'''
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| *:The '''Constant Prefix''' edit control is where you can input a common prefix for all ''item constants'' of menu items on the current level of submenu.
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| *'''Checked'''
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| *:Set the initial state of the menu item to Checked.
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| *'''Disabled'''
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| *:Specifies that initially the menu item will be Disabled.
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| *'''Accelerator'''
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| *:In the '''Accelerator''' group box you can set an accelerator key (hot key), which will be used to activate this menu item. The accelerator key can be defined as a combination of a basic accelerator key and of the '''Shift''', '''Ctrl''', and '''Alt''' keys. The basic accelerator key can be typed in or chosen from the list in the list edit control. To specify the desired '''Shift''', '''Ctrl''', and '''Alt''' keys check on the corresponding check box. To assign more than one accelerator key to a menu item, use the <vp>vpi::setAccelerators/1</vp> predicate.
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| *'''Help Constant'''
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| *:In this list button control you can select one of constants of the existing first-level menu items. The '''Windows''' (system handling) menu item (in MDI mode) will be placed just before the first-level menu item with this constant.
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| *:<br />Notice that this possibility can be used only for MDI applications. (It is ignored for non-MDI applications since they do not have the '''Windows''' (system handling) menu item.
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| '''Editing the Window Submenu'''
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| In MDI applications Windows automatically add the '''Windows''' first-level menu item, which, by default, is placed after (the most right) all other user-created first-level menu items in each application menu. By default, it contains the '''Tile''', '''Cascade''', and '''Arrange Icons''' menu commands and in the bottom of this menu are listed titles of all opened MDI document windows.
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| To customize items of the '''Windows''' submenu, the programmer should create a new menu with the Item Constant equal to '''''mdiwindow_menu'''''. This menu should include only one level of menu items. Notice that since this user-designed submenu will be used instead of the default system '''Windows''' submenu, so handling of ALL its menu commands should be explicitly programmed. For instance, handling of the '''Tile''', '''Cascade''', and '''Arrange Icons''' menu commands should be programmed if they are included into the designed menu.
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