ref: 9908aee5026d4cf74e29eb0536e9a7e532ad386c
dir: /textscreen/txt_button.c/
#include <string.h> #include "txt_button.h" #include "txt_io.h" #include "txt_main.h" #include "txt_widget.h" #include "txt_window.h" static void TXT_ButtonSizeCalc(txt_widget_t *widget, int *w, int *h) { txt_button_t *button = (txt_button_t *) widget; // Minimum width is the string length + two spaces for padding *w = strlen(button->label) + 2; *h = 1; } static void TXT_ButtonDrawer(txt_widget_t *widget, int w, int selected) { txt_button_t *button = (txt_button_t *) widget; int i; TXT_BGColor(TXT_COLOR_BLUE, 0); TXT_FGColor(TXT_COLOR_BRIGHT_WHITE); TXT_DrawString(" "); if (selected) { TXT_BGColor(TXT_COLOR_GREY, 0); } TXT_DrawString(button->label); for (i=strlen(button->label); i < w-2; ++i) { TXT_DrawString(" "); } } static void TXT_ButtonDestructor(txt_widget_t *widget) { txt_button_t *button = (txt_button_t *) widget; free(button->label); free(button); } static int TXT_ButtonKeyPress(txt_widget_t *widget, int key) { return 0; } txt_widget_class_t txt_button_class = { TXT_ButtonSizeCalc, TXT_ButtonDrawer, TXT_ButtonKeyPress, TXT_ButtonDestructor, }; txt_button_t *TXT_NewButton(char *label) { txt_button_t *button; button = malloc(sizeof(txt_button_t)); button->widget.widget_class = &txt_button_class; button->widget.selectable = 1; button->widget.visible = 1; button->label = strdup(label); return button; }