unused/ui/inputbox.c

   1 /*
   2 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
   3 SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
   4 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
   5 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
   6 IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
   7 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
   8 FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
   9 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
  10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
  11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
  12 */
  13
  14 #pragma off (unreferenced)
  15 static char rcsid[] = "$Id: inputbox.c,v 1.1.1.1 2001-01-19 03:30:15 bradleyb Exp $";
  16 #pragma on (unreferenced)
  17
  18 #include <stdlib.h>
  19 #include <string.h>
  20
  21 #include "mem.h"
  22 #include "fix.h"
  23 #include "types.h"
  24 #include "gr.h"
  25 #include "ui.h"
  26 #include "key.h"
  27
  28 // insert character c into string s at position p.
  29 void strcins(char *s, int p, char c)
  30 {
  31         int n;
  32         for (n=strlen(s)-p; n>=0; n-- )
  33                 *(s+p+n+1) = *(s+p+n);   // Move everything over
  34         *(s+p) = c;         // then insert the character
  35 }
  36
  37 // delete n character from string s starting at position p
  38
  39 void strndel(char *s, int p, int n)
  40 {
  41         for (; (*(s+p) = *(s+p+n)) != '\0'; s++ )
  42                 *(s+p+n) = '\0';    // Delete and zero fill
  43 }
  44
  45 void ui_draw_inputbox( UI_GADGET_INPUTBOX * inputbox )
  46 {
  47         int w, h, aw;
  48
  49         if ((inputbox->status==1) || (inputbox->position != inputbox->oldposition))
  50         {
  51                 ui_mouse_hide();
  52                 gr_set_current_canvas( inputbox->canvas );
  53
  54                 if (CurWindow->keyboard_focus_gadget == (UI_GADGET *)inputbox)
  55                 {
  56                         if (inputbox->first_time)
  57                                 gr_set_fontcolor( CBLACK, CRED );
  58                         else
  59                                 gr_set_fontcolor( CRED, CBLACK );
  60                 }
  61                 else
  62                         gr_set_fontcolor( CWHITE, CBLACK );
  63
  64                 inputbox->status = 0;
  65
  66                 gr_string( 2, 2, inputbox->text );
  67                 gr_get_string_size(inputbox->text, &w, &h, &aw  );
  68
  69                 gr_setcolor( CBLACK );
  70                 gr_rect( 2+w, 0, inputbox->width-1, inputbox->height-1 );
  71
  72                 if (CurWindow->keyboard_focus_gadget == (UI_GADGET *)inputbox  && !inputbox->first_time )
  73                 {
  74                         gr_setcolor(CRED);
  75                         Vline( 2,inputbox->height-3, 2+w+1 );
  76                         Vline( 2,inputbox->height-3, 2+w+2 );
  77                 }
  78
  79                 ui_mouse_show();
  80         }
  81 }
  82
  83 UI_GADGET_INPUTBOX * ui_add_gadget_inputbox( UI_WINDOW * wnd, short x, short y, short length, short slength, char * text )
  84 {
  85         int h, w, aw, f;
  86         UI_GADGET_INPUTBOX * inputbox;
  87
  88         gr_get_string_size( NULL, &w, &h, &aw );
  89
  90         inputbox = (UI_GADGET_INPUTBOX *)ui_gadget_add( wnd, 6, x, y, x+aw*slength-1, y+h-1+4 );
  91
  92         f = 0;
  93
  94         inputbox->text = malloc( length + 1);
  95         strncpy( inputbox->text, text, length );
  96         inputbox->position = strlen(inputbox->text);
  97         inputbox->oldposition = inputbox->position;
  98         inputbox->width = aw*slength;
  99         inputbox->height = h+4;
 100         inputbox->length = length;
 101         inputbox->slength = slength;
 102         inputbox->pressed = 0;
 103         inputbox->first_time = 1;
 104
 105         gr_set_current_canvas( inputbox->canvas );
 106         gr_setcolor( CBLACK );
 107         gr_rect( 0, 0, inputbox->width-1, inputbox->height-1 );
 108
 109         return inputbox;
 110
 111 }
 112
 113
 114 void ui_inputbox_do( UI_GADGET_INPUTBOX * inputbox, int keypress )
 115 {
 116         char ascii;
 117         inputbox->oldposition = inputbox->position;
 118
 119         inputbox->pressed=0;
 120
 121         if (CurWindow->keyboard_focus_gadget==(UI_GADGET *)inputbox)
 122         {
 123                 switch( keypress )
 124                 {
 125                 case 0:
 126                         break;
 127                 case (KEY_LEFT):
 128                 case (KEY_BACKSP):
 129                         if (inputbox->position > 0)
 130                                 inputbox->position--;
 131                         inputbox->text[inputbox->position] = 0;
 132                         inputbox->status = 1;
 133                         if (inputbox->first_time) inputbox->first_time = 0;
 134                         break;
 135                 case (KEY_ENTER):
 136                         inputbox->pressed=1;
 137                         inputbox->status = 1;
 138                         if (inputbox->first_time) inputbox->first_time = 0;
 139                         break;
 140                 default:
 141                         ascii = key_to_ascii(keypress);
 142                         if ((ascii < 255 ) && (inputbox->position < inputbox->length-2))
 143                         {
 144                                 if (inputbox->first_time) {
 145                                         inputbox->first_time = 0;
 146                                         inputbox->position = 0;
 147                                 }
 148                                 inputbox->text[inputbox->position++] = ascii;
 149                                 inputbox->text[inputbox->position] = 0;
 150                         }
 151                         inputbox->status = 1;
 152                         break;
 153                 }
 154         } else {
 155                 inputbox->first_time = 1;
 156         }
 157
 158         last_keypress=0;
 159
 160         ui_draw_inputbox( inputbox );
 161
 162 }