ui_extension::menu_window Class Reference

Subclass of ui_extension::window, specifically for menubars. More...

#include <window.h>

Inheritance diagram for ui_extension::menu_window:

List of all members.

Public Member Functions
virtual void	hide_accelerators ()=0
	Indicates that you should stop underlining menu access keys in your menu.
virtual bool	is_menu_focused () const =0
	Retrieve whether the menu has the keyboard focus..
virtual bool	on_menuchar (unsigned short chr)=0
	Called by host when a menu accelerator is pressed.
virtual void	set_focus ()=0
	Called by host to indicate you should focus your menu.
virtual void	show_accelerators ()=0
	Indicates that you should underline menu access keys in your menu.
Public Attributes
	menu_window
	window

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Detailed Description

Subclass of ui_extension::window, specifically for menubars.

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Member Function Documentation

virtual void ui_extension::menu_window::hide_accelerators (   )  [pure virtual]

Indicates that you should stop underlining menu access keys in your menu. Remarks: Applicable only if your menu underlines menu access keys only when activated by the keyboard. This is typically determined by the SPI_GETKEYBOARDCUES system parameter. Do not change the state within this function call. Use PostMessage. Implementation example BOOL b_showkeyboardcues = TRUE; SystemParametersInfo(SPI_GETKEYBOARDCUES, 0, &b_showkeyboardcues, 0); PostMessage(wnd_menu, WM_UPDATEUISTATE, MAKEWPARAM(b_showkeyboardcues ? UIS_CLEAR : UIS_SET , UISF_HIDEACCEL), 0);

virtual bool ui_extension::menu_window::is_menu_focused (   )  const [pure virtual]

Retrieve whether the menu has the keyboard focus.. Precondition: May only be called on hosted extensions. Returns: whether your menu has keyboard focus

virtual bool ui_extension::menu_window::on_menuchar (  unsigned short  chr  )  [pure virtual]

Called by host when a menu accelerator is pressed. Called by host in its WM_MENUCHAR handler to notify extension that a menu was requested to be opened. You should check whether the accelerator key pressed is one of yours. Precondition: May only be called on hosted extensions. Parameters: [in]  chr  character that was pressed Returns: whether you claimed the accelerator key, and showed/will show your menu

virtual void ui_extension::menu_window::set_focus (   )  [pure virtual]

Called by host to indicate you should focus your menu. Precondition: May only be called on hosted extensions.

virtual void ui_extension::menu_window::show_accelerators (   )  [pure virtual]

Indicates that you should underline menu access keys in your menu. Remarks: Applicable only if your menu underlines menu access keys only when activated by the keyboard. This is typically determined by the SPI_GETKEYBOARDCUES system parameter. Do not change the state within this function call. Use PostMessage. Implementation example PostMessage(wnd_menu, WM_UPDATEUISTATE, MAKEWPARAM(UIS_CLEAR , UISF_HIDEACCEL), 0);

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The documentation for this class was generated from the following file:

• foobar2000/columns_ui-sdk/window.h

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