This is the start of a text file viewer for the Player. It is not called

from anywhere at this point. It still compiles nicely.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1018 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 146 insertions, 0 deletions

diff --git a/apps/showtext.c b/apps/showtext.c
new file mode 100644
index 0000000000..2bd13826d2
--- /dev/null
+++ b/apps/showtext.c
@@ -0,0 +1,146 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 Daniel Stenberg
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include <string.h>
+
+#include "file.h"
+#include "lcd.h"
+#include "kernel.h"
+#include "button.h"
+#include "sprintf.h"
+
+char *strcat(char *s1,
+             const char *s2)
+{
+  char *s = s1;
+
+  while (*s1)
+    s1++;
+
+  while ((*s1++ = *s2++))
+    ;
+  return s;
+}
+
+
+static int here=0;
+
+char *singleshow(char *word)
+{
+    static unsigned char words[22];
+    int len = strlen(word);
+
+    if(len>=10) {
+        if(len < 12 ) {
+            lcd_clear_display();
+            lcd_puts(0,0, word);
+            strcpy(words, "");
+            here=0;
+            return words;
+        }
+        /* huuuge word, use two lines! */
+        return NULL;
+    }
+
+    else if(here +1 + len <= 11) { /* 1 is for space */
+        if(words[0])
+            strcat(words, " ");
+        strcat(words, word);
+        here+=1+len;
+        return NULL; /* no show right now */
+    }
+    else {
+        lcd_clear_display();
+        lcd_puts(0,0, words);
+        strcpy(words, word);
+        here=len;
+        return words;
+    }
+}
+
+#define SEP(x) (((x) == '\n') || ((x) == '\t') || ((x) == ' '))
+
+void showtext(char *filename)
+{
+  static char textbuffer[1024];
+
+  int fd;
+  int size;
+  char *ptr;
+  char *end;
+  unsigned char backup;
+  char num[8];
+  int count=0;
+  int b;
+  char *show;
+  int delay = HZ;
+
+  fd = open(filename, O_RDONLY);
+  
+  if(-1 == fd)
+    return;
+
+  do {
+      size = read(fd, textbuffer, sizeof(textbuffer));
+
+      ptr = textbuffer;
+      while (size > 0) {
+          while(ptr && *ptr && SEP(*ptr)) {
+              ptr++;
+              size--;
+              count++;
+          }
+          end = ptr;
+          
+          while(end && *end && !SEP(*end)) {
+              end++;
+              count++;
+          }
+
+          backup = *end;
+          *end = 0;
+
+
+          show = singleshow(ptr);
+
+          if(show) {
+              snprintf(num, sizeof(num), "%d", count);
+              lcd_puts(0,1, num);
+          }
+
+          *end = backup;
+      
+          ptr += (end - ptr);
+          size -= (end - ptr);
+          
+          b = button_get(false);
+          if(b) {
+              size = -1;
+              break;
+          }
+          if(show)
+              sleep(delay);
+    }
+    
+
+  } while(size>0);
+
+  close(fd);
+
+}