qasm/ciderpress/app/NewDiskSize.h
2019-11-13 15:45:39 -08:00

69 lines
2.0 KiB
C++

/*
* CiderPress
* Copyright (C) 2007 by faddenSoft, LLC. All Rights Reserved.
* See the file LICENSE for distribution terms.
*/
/*
* Functions to manage the "new disk size" radio button set in dialogs.
*/
#ifndef APP_NEWDISKSIZE_H
#define APP_NEWDISKSIZE_H
/*
* All members are static. Don't instantiate the class.
*/
class NewDiskSize {
public:
NewDiskSize(void) { ASSERT(false); }
/*
* Return the #of entries in the table.
*/
static unsigned int GetNumSizeEntries(void);
/*
* Return the "size" field from an array entry.
*/
static long GetDiskSizeByIndex(int idx);
enum { kSpecified = -1 };
static void EnableButtons(CDialog* pDialog, BOOL state = true);
/*
* Run through the set of radio buttons, disabling any that don't have enough
* space to hold the ProDOS volume with the specified parameters.
*
* The space required is equal to the blocks required for data plus the blocks
* required for the free-space bitmap. Since the free-space bitmap size is
* smaller for smaller volumes, we have to adjust it for each.
*
* Pass in the total blocks and #of blocks used on a particular ProDOS volume.
* This will compute how much space would be required for larger and smaller
* volumes, and enable or disable radio buttons as appropriate. (You can get
* these values from DiskFS::GetFreeBlockCount()).
*/
static void EnableButtons_ProDOS(CDialog* pDialog, long totalBlocks,
long blocksUsed);
/*
* Compute the #of blocks needed to hold the ProDOS block bitmap.
*/
static long GetNumBitmapBlocks_ProDOS(long totalBlocks);
/*
* Update the "specify size" edit box.
*/
static void UpdateSpecifyEdit(CDialog* pDialog);
private:
typedef struct {
int ctrlID;
long blocks;
} RadioCtrlMap;
static const RadioCtrlMap kCtrlMap[];
};
#endif /*APP_NEWDISKSIZE_H*/