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typedef struct TkLabel TkLabel;
/*
* widgets that use the label code:
* label
* checkbutton
* button
* menubutton
* separator
* cascade
* radiobutton
*/
struct TkLabel
{
char* text; /* Label value */
Image* bitmap; /* Bitmap to display */
TkImg* img;
int justify;
int anchor;
// int flags; /* justify/anchor */
int w;
int h;
int textheight;
/* button fields */
char* command; /* Command to execute at invoke */
char* value; /* Variable value in radio button */
char* offvalue; /* Off value for check button */
char* variable; /* Variable name in radio button */
int ul;
int check; /* check/radiobutton/choicebutton state */
int indicator; /* -indicatoron setting */
char* menu;
char** values;
int nvalues;
/* current value of choicebutton is represented by check */
};
/* Layout constants */
enum {
Textpadx = 3,
Textpady = 0,
Bitpadx = 0, /* Bitmap padding in labels */
Bitpady = 0,
CheckButton = 10,
CheckButtonBW = 2,
ButtonBorder = 4,
};
extern TkOption tkbutopts[];
extern TkOption tkradopts[];
extern TkOption tkcbopts[];
/* label.c */
extern void tksizelabel(Tk*);
extern char* tkdrawlabel(Tk*, Point);
extern void tkfreelabel(Tk*);
extern void tklabelgetimgs(Tk*, Image**, Image**);
extern char* tksetvar(TkTop*, char*, char*);
/* buton.c */
extern Tk* tkmkbutton(TkTop*, int);
extern void tksizebutton(Tk*);
extern char* tkbuttoninvoke(Tk*, char*, char**);
extern char* tkradioinvoke(Tk*, char*, char**);
/* support for menus */
extern int tklabelmargin(Tk*);
extern int tkbuttonmargin(Tk*);
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