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gui.h
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C/C++ Source or Header
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1996-04-07
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2KB
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64 lines
/* File: gui.h
* Created: 20-10-95
* Updated: 30-12-95
* Version: 1.0
* Project: Clicker
* Owner: Jeroen Vermeulen
* Requirements: KickStart V39+
* Legal: PD
* Status: Release
*/
/* Enumeration type for our prefs window gadgets:
*/
enum { mygadget_clickmouse, mygadget_volume, mygadget_period, mygadget_cycles };
/* Struct WindowContext:
* Contains all state associated with the prefs window. This is used as a
* handle for keeping track of all window data and passing it around.
* NOTE: Any item can change if the window is opened or closed.
* NOTE: Items not marked "SAFE" may not even be valid.
*/
struct WindowContext
{
BOOL Shown; /* Window is currently visible? VALID */
ULONG SigMask; /* IDCMP-port sig mask for window. VALID */
struct Window *Win; /* Window struct. */
struct Gadget *glist; /* GadTools gadget list */
void *visinfo; /* VisualInfo. */
struct Screen *pubscr; /* Current screen. VALID */
};
/* MakeWindow():
* Sets up the prefs window, but doesn't show it unless the Show argument is
* TRUE. If successful, MakeWindow() returns a pointer to a WindowContext
* structure. If not, NULL is returned and the STRPTR pointed to by errptr will
* point to an error string.
* The window must later be deallocated with DestroyWindow().
*/
struct WindowContext *MakeWindow(STRPTR *const errptr, const BOOL Show);
/* ShowWindow():
* Reveal prefs window, setting it up first if necessary. A non-NULL pointer to
* its WindowContext structure is passed in as an argument.
* If the window fails to open, errptr will point to an error string.
*/
void ShowWindow(STRPTR *const errptr, struct WindowContext *const WinStruct);
/* HideWindow():
* Removes the prefs window from the screen, but may keep its structures around
* for speed and convenience.
*/
void HideWindow(struct WindowContext *const WinStruct);
/* DestroyWindow():
* Call this to deallocate the prefs window. It will be closed first if
* necessary.
*/
void DestroyWindow(struct WindowContext *const WinStruct);