diff options
Diffstat (limited to 'mdk-stage1/newt/scale.c')
-rw-r--r-- | mdk-stage1/newt/scale.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/mdk-stage1/newt/scale.c b/mdk-stage1/newt/scale.c new file mode 100644 index 000000000..800958580 --- /dev/null +++ b/mdk-stage1/newt/scale.c @@ -0,0 +1,72 @@ +#include <slang.h> +#include <stdlib.h> +#include <string.h> + +#include "newt.h" +#include "newt_pr.h" + +struct scale { + int fullValue; + int charsSet; +}; + +static void scaleDraw(newtComponent co); + +static struct componentOps scaleOps = { + scaleDraw, + newtDefaultEventHandler, + NULL, + newtDefaultPlaceHandler, + newtDefaultMappedHandler, +} ; + +newtComponent newtScale(int left, int top, int width, int fullValue) { + newtComponent co; + struct scale * sc; + + co = malloc(sizeof(*co)); + sc = malloc(sizeof(struct scale)); + co->data = sc; + + co->ops = &scaleOps; + + co->height = 1; + co->width = width; + co->top = top; + co->left = left; + co->takesFocus = 0; + + sc->fullValue = fullValue; + sc->charsSet = 0; + + return co; +} + +void newtScaleSet(newtComponent co, unsigned int amount) { + struct scale * sc = co->data; + int newCharsSet; + + newCharsSet = (amount * co->width) / sc->fullValue; + + if (newCharsSet != sc->charsSet) { + sc->charsSet = newCharsSet; + scaleDraw(co); + } +} + +static void scaleDraw(newtComponent co) { + struct scale * sc = co->data; + int i; + + if (co->top == -1) return; + + newtGotorc(co->top, co->left); + + SLsmg_set_color(NEWT_COLORSET_FULLSCALE); + for (i = 0; i < sc->charsSet; i++) + SLsmg_write_string(" "); + + SLsmg_set_color(NEWT_COLORSET_EMPTYSCALE); + for (i = 0; i < (co->width - sc->charsSet); i++) + SLsmg_write_string(" "); +} |