ref: 59864df095516a0e6a1fecb5a6abfeedc1e56188
dir: /textscreen/txt_checkbox.c/
#include <stdlib.h> #include <string.h> #include "doomkeys.h" #include "txt_checkbox.h" #include "txt_io.h" #include "txt_main.h" #include "txt_window.h" static void TXT_CheckBoxSizeCalc(TXT_UNCAST_ARG(checkbox), int *w, int *h) { TXT_CAST_ARG(txt_checkbox_t, checkbox); // Minimum width is the string length + two spaces for padding *w = strlen(checkbox->label) + 6; *h = 1; } static void TXT_CheckBoxDrawer(TXT_UNCAST_ARG(checkbox), int w, int selected) { TXT_CAST_ARG(txt_checkbox_t, checkbox); int i; TXT_BGColor(TXT_COLOR_BLUE, 0); TXT_FGColor(TXT_COLOR_BRIGHT_CYAN); TXT_DrawString(" ("); TXT_FGColor(TXT_COLOR_BRIGHT_WHITE); if (*checkbox->variable) { TXT_DrawString("\x07"); } else { TXT_DrawString(" "); } TXT_FGColor(TXT_COLOR_BRIGHT_CYAN); TXT_DrawString(") "); if (selected) { TXT_BGColor(TXT_COLOR_GREY, 0); } TXT_FGColor(TXT_COLOR_BRIGHT_WHITE); TXT_DrawString(checkbox->label); for (i=strlen(checkbox->label); i < w-6; ++i) { TXT_DrawString(" "); } } static void TXT_CheckBoxDestructor(TXT_UNCAST_ARG(checkbox)) { TXT_CAST_ARG(txt_checkbox_t, checkbox); free(checkbox->label); } static int TXT_CheckBoxKeyPress(TXT_UNCAST_ARG(checkbox), int key) { TXT_CAST_ARG(txt_checkbox_t, checkbox); if (key == KEY_ENTER || key == ' ') { *checkbox->variable = !*checkbox->variable; TXT_EmitSignal(checkbox, "changed"); return 1; } return 0; } txt_widget_class_t txt_checkbox_class = { TXT_CheckBoxSizeCalc, TXT_CheckBoxDrawer, TXT_CheckBoxKeyPress, TXT_CheckBoxDestructor, }; txt_checkbox_t *TXT_NewCheckBox(char *label, int *variable) { txt_checkbox_t *checkbox; checkbox = malloc(sizeof(txt_checkbox_t)); TXT_InitWidget(checkbox, &txt_checkbox_class); checkbox->label = strdup(label); checkbox->variable = variable; return checkbox; }