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