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fontselect
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1992-02-09
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(*
* Title: fontselect.h
* Purpose: Consistent interface to font choosing
*
*)
#ifndef __fontselect_h
#define __fontselect_h
type fontselect_fn = ^function fontselect(font_name : string;
width, hieght : real;
event : wimp_eventstr_ptr) : boolean;
(* --------------------------- fontselect_init -----------------------------
* Description: Read in the font list and prepare data for the font
* selector window
*
* Parameters:
* Returns: TRUE if initialisation succeeded.
* Other Info:
*)
function fontselect_init : integer; extern;
(* ------------------------ fontselect_closedown --------------------------
* Description: Close the font selector windows if they are open, and
* free the font selector data structures
*
* Parameters:
* Returns:
* Other Info: This call is provided to return the machine to the state
* it was in before a call of fontselect_init()
*)
procedure fontselect_closedown; extern;
(* ------------------------ fontselect_closewindows -----------------------
* Description: Close the font selector windows if they are open
*
* Parameters:
* Returns:
* Other Info: This call will close the font selector windows and
* unattach the handlers, if they are open.
*)
procedure fontselect_closewindows; extern;
(* ------------------------ fontselect_selector ---------------------------
* Description: Opens up or reopens the font chooser window.
*
* Parameters: char *title -- The title for the window
* (can be NULL if flags
* SETTITLE is clear)
* int flags -- The flags for the call
* (see below)
* char *font_name -- The font name to set the
* window contents to (only if
* SETFONT is set)
* double width -- The width in point size of
* the font
* double height --
* fontselect_fn unknown_icon --
* Returns: The window handle of the font selector main window, if
* the function call was successful. Otherwise it returns 0.
* Other Info: The flags word allows the call to have different effects.
* If fontselect_SETFONT is set then the window contents
* will be updated to reflect the font choice passed in.
* If fontselect_SETTITLE is set then the title of the
* window will be set, otherwise title is ignored.
* If fontselect_REOPEN is set then the font selector
* will only open the window if it is already open. This
* lets the application update the contents of the window
* only if it is currently open.
* Note that the fontselect_init() must be called before this
* routine.
*)
function fontselect_selector(title : string;
flags : integer;
font_name : string;
width, height : real;
unknown_icon_routine : fontselect_fn) : integer; extern;
const fontselect_REOPEN = $001;
fontselect_SETTITLE = $002;
fontselect_SETFONT = $004;
(* ------------------------- fontselect_attach_menu ------------------------
* Description: Attaches a menu to all four font selector windows
*
* Parameters: menu mn -- menu to attach
* event_menu_proc menu_processor -- menu processor for the
* menu events
* void *handle -- handle to pass to the
* menu processor
* Returns: TRUE if the menus were attached, FALSE otherwise
* Other Info: none.
*)
function fontselect_attach_menu(mn : menu;
menu_processor : event_menu_proc;
handle : pointer) : boolean; extern;
#endif
(* end fontselect.h *)