ref: aafc38483ef50980170f713fe62a0b471fd34c8d
dir: /textscreen/txt_label.c/
#include <string.h> #include "txt_label.h" #include "txt_io.h" #include "txt_main.h" #include "txt_window.h" static void TXT_LabelSizeCalc(TXT_UNCAST_ARG(label), int *w, int *h) { TXT_CAST_ARG(txt_label_t, label); *w = label->w; *h = label->h; } static void TXT_LabelDrawer(TXT_UNCAST_ARG(label), int w, int selected) { TXT_CAST_ARG(txt_label_t, label); int i; int origin_x, origin_y; TXT_BGColor(TXT_COLOR_BLUE, 0); TXT_FGColor(TXT_COLOR_BRIGHT_WHITE); TXT_GetXY(&origin_x, &origin_y); for (i=0; i<label->h; ++i) { TXT_GotoXY(origin_x, origin_y + i); TXT_DrawString(label->lines[i]); } } static void TXT_LabelDestructor(TXT_UNCAST_ARG(label)) { TXT_CAST_ARG(txt_label_t, label); free(label->label); free(label->lines); } txt_widget_class_t txt_label_class = { TXT_LabelSizeCalc, TXT_LabelDrawer, NULL, TXT_LabelDestructor, }; void TXT_SetLabel(txt_label_t *label, char *value) { char *p; int y; // Free back the old label free(label->label); free(label->lines); // Set the new value label->label = strdup(value); // Work out how many lines in this label label->h = 1; for (p = value; *p != '\0'; ++p) { if (*p == '\n') { ++label->h; } } // Split into lines label->lines = malloc(sizeof(char *) * label->h); label->lines[0] = label->label; y = 1; for (p = label->label; *p != '\0'; ++p) { if (*p == '\n') { label->lines[y] = p + 1; *p = '\0'; ++y; } } label->w = 0; for (y=0; y<label->h; ++y) { if (strlen(label->lines[y]) > label->w) label->w = strlen(label->lines[y]); } } txt_label_t *TXT_NewLabel(char *text) { txt_label_t *label; label = malloc(sizeof(txt_label_t)); TXT_InitWidget(label, &txt_label_class); label->widget.selectable = 0; label->label = NULL; label->lines = NULL; TXT_SetLabel(label, text); return label; }