ref: ea37ca0e06d34968964e02144534a63bab72e52e
dir: /textscreen/txt_separator.c/
// // Copyright(C) 2005-2014 Simon Howard // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation; either version 2 // of the License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // #include <stdlib.h> #include <string.h> #include "txt_separator.h" #include "txt_gui.h" #include "txt_io.h" #include "txt_main.h" #include "txt_window.h" static void TXT_SeparatorSizeCalc(TXT_UNCAST_ARG(separator)) { TXT_CAST_ARG(txt_separator_t, separator); if (separator->label != NULL) { // Minimum width is the string length + two spaces for padding separator->widget.w = strlen(separator->label) + 2; } else { separator->widget.w = 0; } separator->widget.h = 1; } static void TXT_SeparatorDrawer(TXT_UNCAST_ARG(separator)) { TXT_CAST_ARG(txt_separator_t, separator); int x, y; int w; w = separator->widget.w; TXT_GetXY(&x, &y); // Draw separator. Go back one character and draw two extra // to overlap the window borders. TXT_DrawSeparator(x-2, y, w + 4); if (separator->label != NULL) { TXT_GotoXY(x, y); TXT_FGColor(TXT_COLOR_BRIGHT_GREEN); TXT_DrawString(" "); TXT_DrawString(separator->label); TXT_DrawString(" "); } } static void TXT_SeparatorDestructor(TXT_UNCAST_ARG(separator)) { TXT_CAST_ARG(txt_separator_t, separator); free(separator->label); } void TXT_SetSeparatorLabel(txt_separator_t *separator, char *label) { free(separator->label); if (label != NULL) { separator->label = strdup(label); } else { separator->label = NULL; } } txt_widget_class_t txt_separator_class = { TXT_NeverSelectable, TXT_SeparatorSizeCalc, TXT_SeparatorDrawer, NULL, TXT_SeparatorDestructor, NULL, NULL, }; txt_separator_t *TXT_NewSeparator(char *label) { txt_separator_t *separator; separator = malloc(sizeof(txt_separator_t)); TXT_InitWidget(separator, &txt_separator_class); separator->label = NULL; TXT_SetSeparatorLabel(separator, label); return separator; }