ref: c8b187f9db503465460d8bafa2d7a758bbcf59ca
dir: /libtk/label.h/
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 = 1, ButtonBorder = 4, CheckSpace = CheckButton + 2*CheckButtonBW + 2*ButtonBorder, }; 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* tkdrawbutton(Tk*, Point); extern char* tkbuttoninvoke(Tk*, char*, char**); extern char* tkradioinvoke(Tk*, char*, char**); extern void tkfreebutton(Tk*); /* support for menus */ extern int tklabelmargin(Tk*); extern int tkbuttonmargin(Tk*);