| [175] | 1 | #ifdef offsetof
|
|---|
| 2 | #define Blt_Offset(type, field) ((int) offsetof(type, field))
|
|---|
| 3 | #else
|
|---|
| 4 | #define Blt_Offset(type, field) ((int) ((char *) &((type *) 0)->field))
|
|---|
| 5 | #endif
|
|---|
| 6 |
|
|---|
| 7 | typedef int (Blt_SwitchParseProc) _ANSI_ARGS_((ClientData clientData,
|
|---|
| 8 | Tcl_Interp *interp, char *switchName, char *value, char *record,
|
|---|
| 9 | int offset));
|
|---|
| 10 |
|
|---|
| 11 | typedef void (Blt_SwitchFreeProc) _ANSI_ARGS_((char *ptr));
|
|---|
| 12 |
|
|---|
| 13 | typedef struct {
|
|---|
| 14 | Blt_SwitchParseProc *parseProc; /* Procedure to parse a switch value
|
|---|
| 15 | * and store it in its converted
|
|---|
| 16 | * form in the data record. */
|
|---|
| 17 | Blt_SwitchFreeProc *freeProc; /* Procedure to free a switch. */
|
|---|
| 18 | ClientData clientData; /* Arbitrary one-word value
|
|---|
| 19 | * used by switch parser,
|
|---|
| 20 | * passed to parseProc. */
|
|---|
| 21 | } Blt_SwitchCustom;
|
|---|
| 22 |
|
|---|
| 23 | /*
|
|---|
| 24 | * Type values for Blt_SwitchSpec structures. See the user
|
|---|
| 25 | * documentation for details.
|
|---|
| 26 | */
|
|---|
| 27 | typedef enum {
|
|---|
| 28 | BLT_SWITCH_BOOLEAN, BLT_SWITCH_INT, BLT_SWITCH_INT_POSITIVE,
|
|---|
| 29 | BLT_SWITCH_INT_NONNEGATIVE, BLT_SWITCH_DOUBLE, BLT_SWITCH_STRING,
|
|---|
| 30 | BLT_SWITCH_LIST, BLT_SWITCH_FLAG, BLT_SWITCH_VALUE, BLT_SWITCH_CUSTOM,
|
|---|
| 31 | BLT_SWITCH_END
|
|---|
| 32 | } Blt_SwitchTypes;
|
|---|
| 33 |
|
|---|
| 34 | typedef struct {
|
|---|
| 35 | Blt_SwitchTypes type; /* Type of option, such as BLT_SWITCH_COLOR;
|
|---|
| 36 | * see definitions below. Last option in
|
|---|
| 37 | * table must have type BLT_SWITCH_END. */
|
|---|
| 38 | char *switchName; /* Switch used to specify option in argv.
|
|---|
| 39 | * NULL means this spec is part of a group. */
|
|---|
| 40 | int offset; /* Where in widget record to store value;
|
|---|
| 41 | * use Blt_Offset macro to generate values
|
|---|
| 42 | * for this. */
|
|---|
| 43 | int flags; /* Any combination of the values defined
|
|---|
| 44 | * below. */
|
|---|
| 45 | Blt_SwitchCustom *customPtr; /* If type is BLT_SWITCH_CUSTOM then this is
|
|---|
| 46 | * a pointer to info about how to parse and
|
|---|
| 47 | * print the option. Otherwise it is
|
|---|
| 48 | * irrelevant. */
|
|---|
| 49 | int value;
|
|---|
| 50 | } Blt_SwitchSpec;
|
|---|
| 51 |
|
|---|
| 52 | #define BLT_SWITCH_ARGV_ONLY (1<<0)
|
|---|
| 53 | #define BLT_SWITCH_OBJV_ONLY (1<<0)
|
|---|
| 54 | #define BLT_SWITCH_ARGV_PARTIAL (1<<1)
|
|---|
| 55 | #define BLT_SWITCH_OBJV_PARTIAL (1<<1)
|
|---|
| 56 | /*
|
|---|
| 57 | * Possible flag values for Blt_SwitchSpec structures. Any bits at
|
|---|
| 58 | * or above BLT_SWITCH_USER_BIT may be used by clients for selecting
|
|---|
| 59 | * certain entries.
|
|---|
| 60 | */
|
|---|
| 61 | #define BLT_SWITCH_NULL_OK (1<<0)
|
|---|
| 62 | #define BLT_SWITCH_DONT_SET_DEFAULT (1<<3)
|
|---|
| 63 | #define BLT_SWITCH_SPECIFIED (1<<4)
|
|---|
| 64 | #define BLT_SWITCH_USER_BIT (1<<8)
|
|---|
| 65 |
|
|---|
| 66 | extern int Blt_ProcessSwitches _ANSI_ARGS_((Tcl_Interp *interp,
|
|---|
| 67 | Blt_SwitchSpec *specs, int argc, char **argv, char *record, int flags));
|
|---|
| 68 |
|
|---|
| 69 | extern void Blt_FreeSwitches _ANSI_ARGS_((Blt_SwitchSpec *specs, char *record,
|
|---|
| 70 | int flags));
|
|---|
| 71 |
|
|---|
| 72 | extern int Blt_SwitchChanged _ANSI_ARGS_(TCL_VARARGS(Blt_SwitchSpec *, specs));
|
|---|
| 73 |
|
|---|
| 74 | #if (TCL_VERSION_NUMBER >= _VERSION(8,0,0))
|
|---|
| 75 | extern int Blt_ProcessObjSwitches _ANSI_ARGS_((Tcl_Interp *interp,
|
|---|
| 76 | Blt_SwitchSpec *specPtr, int objc, Tcl_Obj *CONST *objv, char *record,
|
|---|
| 77 | int flags));
|
|---|
| 78 | #endif
|
|---|
