New Neo-specific code from the Open Neo project. Unfortunately, the sources

don't say who've written this stuff so I can give credit to any specific
person (yet). The sources have been modified by me to conform to Rockbox
standards.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4135 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 299 insertions, 0 deletions

diff --git a/apps/neo/keyboard.c b/apps/neo/keyboard.c
new file mode 100644
index 0000000000..9f02f2a9c8
--- /dev/null
+++ b/apps/neo/keyboard.c
@@ -0,0 +1,299 @@
+
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2003 by an Open Neo author (FILL IN)
+ *
+ * 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 "lcd.h"
+#include "button.h"
+#include "kernel.h"
+#include "version.h"
+#include "sprintf.h"
+#include "lcd-charset.h"
+#include "lang.h"
+#include "debug.h"
+
+#define KEYBOARD_MAX_LENGTH 255
+
+static unsigned char* kbd_screens[3] = {
+  "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
+  "abcdefghijklmnopqrstuvwxyz",
+  " !\"#$%&'()*+,-./0123456789;<=>?@[]^_`{|}"
+};
+
+static unsigned char* kbd_screens_names[3] = {
+  "Capitals",
+  "Small",
+  "Others"
+};
+
+static void kbd_show_legend( int nb )
+{
+  char buf[24];
+  snprintf(buf, sizeof(buf), "[%s]", kbd_screens_names[nb] );
+  lcd_puts( 0, 1, buf );  
+  lcd_puts( 0, 2, kbd_screens[nb] );
+  lcd_puts( 0, 3, &kbd_screens[nb][20] );
+}
+
+/* returns text len 
+   Max = KEYBOARD_MAX_LENGTH characters
+*/
+int kbd_input( char* text, int buflen )
+{
+  char* pstart;
+  char* pcursor;
+  char* pold;
+  int bufferlen;
+  char cursorpos = 0;
+  int ret = 0;
+  char buffer[KEYBOARD_MAX_LENGTH+1];
+  bool done = false;
+  int key;
+  int screen = 0;
+  int screenidx = -1;
+  unsigned char * pcurscreen = kbd_screens[0];
+  bool ctl;
+
+  bufferlen = strlen(text);
+  
+  if( bufferlen > KEYBOARD_MAX_LENGTH )
+    bufferlen = KEYBOARD_MAX_LENGTH;
+  
+  strncpy( buffer, text, bufferlen );
+  buffer[bufferlen] = 0;
+
+  lcd_clear_display();
+
+  /* Initial setup */
+  lcd_puts( 0, 0, buffer );
+  kbd_show_legend( screen );
+  lcd_cursor( cursorpos, 0 );
+  lcd_write(true,LCD_BLINKCUR);
+  
+  pstart = pcursor = buffer;
+
+  while(!done) {
+      /* We want all the keys except the releases and the repeats */
+      key = button_get(true);
+    
+      if( key & BUTTON_IR)
+          ctl = key & (NEO_IR_BUTTON_PLAY|NEO_IR_BUTTON_STOP|NEO_IR_BUTTON_BROWSE);
+      else
+          ctl = key & (BUTTON_PLAY|BUTTON_STOP|BUTTON_MENU);
+
+      if( ctl ) {
+          /* These key do not change the first line */
+          switch( key ) {
+              case BUTTON_MENU:
+              case BUTTON_IR|NEO_IR_BUTTON_BROWSE:
+        
+                  /* Toggle legend screen */
+                  screen++;
+                  if( screen == 3 )
+                      screen = 0;
+
+                  pcurscreen = kbd_screens[screen];
+
+                  screenidx = -1;
+                  kbd_show_legend( screen );
+                  
+                  /* Restore cursor */
+                  lcd_cursor( cursorpos, 0 );
+                  break;
+                  
+              case BUTTON_PLAY:
+              case BUTTON_IR|NEO_IR_BUTTON_PLAY:
+                  
+                  if( bufferlen ) {
+                      strncpy(text, buffer, bufferlen);
+                      text[bufferlen] = 0;
+                      ret = bufferlen;
+                  }
+                  /* fallthrough */
+                  
+              case BUTTON_STOP:
+              case BUTTON_IR|NEO_IR_BUTTON_STOP:
+                  
+                  /* Remove blinking cursor */
+                  lcd_write(true,LCD_OFFCUR);
+                  done = true;
+          }
+      }
+      else {
+      
+          switch( key ) {
+        
+              case BUTTON_PROGRAM:
+              case BUTTON_PROGRAM|BUTTON_REPEAT:
+              case BUTTON_IR|NEO_IR_BUTTON_PROGRAM:
+        
+                  /* Delete char at pcursor */
+                  /* Check if we are at the last char */
+
+                  if( *(pcursor+1) != 0 ) {
+                      /* move rest of the string to the left in buffer */
+                      pold = pcursor;
+                      while( *pcursor ){
+                          *pcursor = *(pcursor+1);
+                          pcursor++;
+                      }
+          
+                      /* Restore position */
+                      pcursor = pold;
+                  }
+                  else {
+                      *pcursor = 0;
+                      pcursor--;
+                      cursorpos--;
+                  }
+          
+                  bufferlen--;
+                  break;
+                  
+              case BUTTON_IR|NEO_IR_BUTTON_EQ:
+              case BUTTON_SELECT|BUTTON_LEFT:
+                  
+                  /* Insert left */
+
+                  if(bufferlen >=  KEYBOARD_MAX_LENGTH )
+                      break;
+                  
+                  pold = pcursor;
+        
+                  /* Goto end */
+                  while( *pcursor )
+                      pcursor++;
+
+                  /* Move string content to the right */
+                  while( pcursor >= pold ){
+                      *(pcursor+1) = *pcursor;
+                      pcursor--;
+                  }
+
+                  pcursor = pold;
+                  *pcursor = ' ';
+                  
+                  bufferlen++;
+                  break;
+        
+              case BUTTON_IR|NEO_IR_BUTTON_MUTE:
+              case BUTTON_SELECT|BUTTON_RIGHT:
+        
+                  /* Insert Right */
+        
+                  if(bufferlen >=  KEYBOARD_MAX_LENGTH )
+                      break;
+        
+                  pold = pcursor;
+        
+                  /* Goto end */
+                  while( *pcursor )
+                      pcursor++;
+        
+                  /* Move string content to the right */
+                  while( pcursor > pold ){
+                      *(pcursor+1) = *pcursor;
+                      pcursor--;
+                  }
+        
+                  pcursor = pold;
+                  *(pcursor+1) = ' ';
+        
+                  bufferlen++;
+        
+                  button_add( BUTTON_RIGHT );
+                  break;
+
+              case BUTTON_LEFT:
+              case BUTTON_REPEAT|BUTTON_LEFT:
+              case BUTTON_IR|NEO_IR_BUTTON_REWIND:
+              case BUTTON_IR|NEO_IR_BUTTON_REWIND|BUTTON_REPEAT:
+
+                  /* Move cursor left.  Shift text right if all the way to the
+                     left */
+                  
+                  /* Check for start of string */
+                  if( pcursor > buffer ) {
+                      
+                      screenidx = -1;
+                      cursorpos--;
+                      pcursor--;
+                      
+                      /* Check if were going off the screen */
+                      if( cursorpos == -1 ) {
+                          cursorpos = 0;
+                          
+                          /* Shift text right if we are */
+                          pstart--;
+                      }
+                  }
+                  break;
+                  
+              case BUTTON_RIGHT:
+              case BUTTON_REPEAT|BUTTON_RIGHT:
+              case BUTTON_IR|NEO_IR_BUTTON_FFORWARD:
+              case BUTTON_IR|NEO_IR_BUTTON_FFORWARD|BUTTON_REPEAT:
+                  
+                  /* Move cursor right.  Shift text left if all the way to
+                     the right */
+    
+                  /* Check for end of string */
+                  if( *(pcursor+1) != 0 ) {
+                      screenidx = -1;
+                      cursorpos++;
+                      pcursor++;
+        
+                      /* Check if were going of the screen */
+                      if( cursorpos == 20 ) {
+                          cursorpos = 19;
+            
+                          /* Shift text left if we are */
+                          pstart++;
+                      }
+                  }
+                  break;
+        
+              case BUTTON_UP:
+              case BUTTON_UP|BUTTON_REPEAT:
+              case BUTTON_IR|NEO_IR_BUTTON_VOLUP:
+              case BUTTON_IR|NEO_IR_BUTTON_VOLUP|BUTTON_REPEAT:
+                  screenidx += 2;
+                  /* fallthrough */
+              case BUTTON_DOWN:
+              case BUTTON_DOWN|BUTTON_REPEAT:
+              case BUTTON_IR|NEO_IR_BUTTON_VOLDN:
+              case BUTTON_IR|NEO_IR_BUTTON_VOLDN|BUTTON_REPEAT:
+                  screenidx--;
+
+                  if( screenidx < 0 )
+                      screenidx = strlen(pcurscreen)-1;
+                  
+                  if( pcurscreen[screenidx] == 0 )
+                      screenidx = 0;       
+
+                  /* Changes the character over the cursor */
+                  *pcursor = pcurscreen[screenidx];
+          }
+      
+          lcd_puts( 0, 0, pstart);
+          lcd_cursor( cursorpos, 0 );
+      }
+  }
+  return ret;
+}