ref: 9908aee5026d4cf74e29eb0536e9a7e532ad386c
dir: /textscreen/txt_label.c/
#include <string.h> #include "txt_label.h" #include "txt_io.h" #include "txt_main.h" #include "txt_widget.h" #include "txt_window.h" static void TXT_LabelSizeCalc(txt_widget_t *widget, int *w, int *h) { txt_label_t *label = (txt_label_t *) widget; *w = label->w; *h = label->h; } static void TXT_LabelDrawer(txt_widget_t *widget, int w, int selected) { txt_label_t *label = (txt_label_t *) widget; 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_widget_t *widget) { txt_label_t *label = (txt_label_t *) widget; free(label->label); free(label->lines); free(label); } txt_widget_class_t txt_label_class = { TXT_LabelSizeCalc, TXT_LabelDrawer, NULL, TXT_LabelDestructor, }; static void TXT_SplitLabel(txt_label_t *label) { char *p; int y; // Work out how many lines in this label label->h = 1; for (p = label->label; *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)); label->widget.widget_class = &txt_label_class; label->widget.selectable = 0; label->widget.visible = 1; label->label = strdup(text); TXT_SplitLabel(label); return label; }