diff options
Diffstat (limited to 'mdk-stage1/newt/label.c')
-rw-r--r-- | mdk-stage1/newt/label.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/mdk-stage1/newt/label.c b/mdk-stage1/newt/label.c new file mode 100644 index 000000000..f1a9cebbf --- /dev/null +++ b/mdk-stage1/newt/label.c @@ -0,0 +1,81 @@ +#include <slang.h> +#include <stdlib.h> +#include <string.h> + +#include "newt.h" +#include "newt_pr.h" + +struct label { + char * text; + int length; +}; + +static void labelDraw(newtComponent co); +static void labelDestroy(newtComponent co); + +static struct componentOps labelOps = { + labelDraw, + newtDefaultEventHandler, + labelDestroy, + newtDefaultPlaceHandler, + newtDefaultMappedHandler, +} ; + +newtComponent newtLabel(int left, int top, const char * text) { + newtComponent co; + struct label * la; + + co = malloc(sizeof(*co)); + la = malloc(sizeof(struct label)); + co->data = la; + + co->ops = &labelOps; + + co->height = 1; + co->width = strlen(text); + co->top = top; + co->left = left; + co->takesFocus = 0; + + la->length = strlen(text); + la->text = strdup(text); + + return co; +} + +void newtLabelSetText(newtComponent co, const char * text) { + int newLength; + struct label * la = co->data; + + newLength = strlen(text); + if (newLength <= la->length) { + memset(la->text, ' ', la->length); + memcpy(la->text, text, newLength); + } else { + free(la->text); + la->text = strdup(text); + la->length = newLength; + co->width = newLength; + } + + labelDraw(co); +} + +static void labelDraw(newtComponent co) { + struct label * la = co->data; + + if (co->isMapped == -1) return; + + SLsmg_set_color(COLORSET_LABEL); + + newtGotorc(co->top, co->left); + SLsmg_write_string(la->text); +} + +static void labelDestroy(newtComponent co) { + struct label * la = co->data; + + free(la->text); + free(la); + free(co); +} |