MyMenuItemDrawingProc

Draws a menu item.

Here's how to declare a menu item drawing function, if you were to name the function MyMenuItemDrawingProc :

pascal void (MyMenuItemDrawingProc)
                     (const Rect *inBounds,
                     SInt16 inDepth,
                     Boolean inIsColorDevice,
                     SInt32 inUserData);

inBounds

A pointer to a structure of type Rect . You are passed a rectangle specifying the dimensions and position in which you should draw your menu item content. Your menu item drawing function is called clipped to the rectangle in which you are allowed to draw your content; do not draw outside this region.

inDepth

A signed 16-bit integer. You are passed the bit depth (in bits per pixel) of the current graphics port.

inIsColorDevice

A value of type Boolean . You are passed true to indicate that you are drawing on a color device; inIsColorDevice is false for a monochrome device.

inUserData

You are passed data specifying how to draw the menu item content from the inUserData parameter of DrawThemeMenuItem .

DISCUSSION

At the time your menu item drawing function is called, the foreground text color and mode is already set to draw in the correct state (enabled, selected, disabled) and correct color for the theme. You do not need to set the color unless you have special drawing needs. If you do have special drawing needs, you should supply the inDepth value and the value of the inIsColorDevice parameter to the function IsThemeInColor to determine whether or not you should draw the menu item content in color.

Note that the Appearance Manager calls your MyMenuItemDrawingProc function for every device that the inBounds rectangle intersects.

SPECIAL CONSIDERATIONS

The Appearance Manager draws the background of the menu item prior to calling your menu item drawing function, so you should not erase the item's background from this function.

VERSION NOTES

Available with Appearance Manager 1.0.1 and later.