windows.c

   1 #include <errno.h>
   2 #include <newt.h>
   3 #include <stdarg.h>
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <string.h>
   7
   8 #include "errno.h"
   9
  10 static int newtvwindow(char * title, char * button1, char * button2,
  11                    char * message, va_list args) {
  12     newtComponent b1, b2 = NULL, t, f, answer;
  13     char * buf = NULL;
  14     int size = 0;
  15     int i = 0;
  16     int width, height;
  17     char * flowedText;
  18     newtGrid grid, buttonGrid;
  19
  20     do {
  21         size += 1000;
  22         if (buf) free(buf);
  23         buf = malloc(size);
  24         i = vsnprintf(buf, size, message, args);
  25     } while (i == size);
  26
  27     flowedText = newtReflowText(buf, 35, 5, 5, &width, &height);
  28     if (height > 10) {
  29         free(flowedText);
  30         flowedText = newtReflowText(buf, 60, 5, 5, &width, &height);
  31     }
  32     free(buf);
  33
  34     b1 = newtButton(-1, -1, button1);
  35     t = newtTextbox(-1, -1, width, height, NEWT_TEXTBOX_WRAP);
  36     newtTextboxSetText(t, flowedText);
  37     free(flowedText);
  38
  39     if (button2) {
  40         b2 = newtButton(-1, -1, button2);
  41         buttonGrid = newtCreateGrid(2, 1);
  42         newtGridSetField(buttonGrid, 1, 0, NEWT_GRID_COMPONENT, button2,
  43                          1, 0, 0, 0, 0, 0);
  44     } else {
  45         buttonGrid = newtCreateGrid(1, 1);
  46     }
  47
  48     newtGridSetField(buttonGrid, 0, 0, NEWT_GRID_COMPONENT, b1,
  49                      0, 0, button2 ? 1 : 0, 0, 0, 0);
  50
  51     grid = newtCreateGrid(1, 2);
  52     newtGridSetField(grid, 0, 0, NEWT_GRID_COMPONENT, t, 0, 0, 0, 1, 0, 0);
  53     newtGridSetField(grid, 0, 1, NEWT_GRID_SUBGRID, buttonGrid, 0, 0, 0, 0, 0,
  54                         NEWT_GRID_FLAG_GROWX);
  55     newtGridWrappedWindow(grid, title);
  56
  57     f = newtForm(NULL, NULL, 0);
  58     newtFormAddComponents(f, t, b1, NULL);
  59
  60     answer = newtRunForm(f);
  61     newtGridFree(grid, 1);
  62
  63     newtFormDestroy(f);
  64     newtPopWindow();
  65
  66     if (answer == f)
  67         return 2;
  68     else if (answer == b2)
  69         return 1;
  70
  71     return 0;
  72 }
  73
  74 int newtWinChoice(char * title, char * button1, char * button2,
  75                    char * message, ...) {
  76     va_list args;
  77     int rc;
  78
  79     va_start(args, message);
  80     rc = newtvwindow(title, button1, button2, message, args);
  81     va_end(args);
  82
  83     return rc;
  84 }
  85
  86 void newtWinMessage(char * title, char * buttonText, char * text, ...) {
  87     va_list args;
  88
  89     va_start(args, text);
  90     newtvwindow(title, buttonText, NULL, text, args);
  91     va_end(args);
  92 }
  93
  94 void newtWinMessagev(char * title, char * buttonText, char * text,
  95                      va_list argv) {
  96     newtvwindow(title, buttonText, NULL, text, argv);
  97 }