Added a "cursor"-function for the keyvoard.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3171 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 72 insertions, 18 deletions

diff --git a/apps/player/keyboard.c b/apps/player/keyboard.c
index b33dceb..42c0909 100644
--- a/apps/player/keyboard.c
+++ b/apps/player/keyboard.c
@@ -76,10 +76,11 @@ static unsigned short* kbd_setupkeys(int page, int* len)
 
 #define MENU_LINE_INPUT 0
 #define MENU_LINE_NEWCHARS 1
-#define MENU_LINE_DELETE 2
-#define MENU_LINE_ACCEPT 3
-#define MENU_LINE_QUIT 4
-#define MENU_LINE_LAST 4
+#define MENU_LINE_BACKSPACE 2
+#define MENU_LINE_DELETE 3
+#define MENU_LINE_ACCEPT 4
+#define MENU_LINE_QUIT 5
+#define MENU_LINE_LAST 5
 
 int kbd_input(char* text, int buflen)
 {
@@ -91,7 +92,6 @@ int kbd_input(char* text, int buflen)
     int cursor_pos=0;
     int button_pressed;
     unsigned char temptext[12];
-    bool cursor_on=true;                /* Blinking cursor control */
     int old_cursor_pos=0;               /* Windowed cursor movement */
     int left_pos=0;
 
@@ -110,17 +110,11 @@ int kbd_input(char* text, int buflen)
         p=0;
         i = left_pos;
         while (p<10 && line[i]) {
-            if (i == cursor_pos && cursor_on)
-            {
-                temptext[p++]=KEYBOARD_CURSOR;
-                i++;
-            } else {
-                temptext[p++]=text[i++];
-            }
+          temptext[p++]=text[i++];
         }
         temptext[p]=0;
         lcd_puts(1, 0, temptext);
-        cursor_on = !cursor_on;
+        lcd_put_cursor(cursor_pos-left_pos+1, 0, 0x7f);
         old_cursor_pos=cursor_pos;
 
         switch (menu_line) {
@@ -136,6 +130,9 @@ int kbd_input(char* text, int buflen)
                 temptext[p]=0;
                 lcd_puts(1, 1, temptext);
                 break;
+            case MENU_LINE_BACKSPACE:
+                lcd_puts_scroll(1, 1, "Backspace");
+                break;
             case MENU_LINE_DELETE:
                 lcd_puts_scroll(1, 1, "Delete");
                 break;
@@ -143,7 +140,7 @@ int kbd_input(char* text, int buflen)
                 lcd_puts_scroll(1, 1, "Accept");
                 break;
             case MENU_LINE_QUIT:
-                lcd_puts_scroll(1, 1, "Cancel");
+                lcd_puts_scroll(1, 1, "Abort");
                 break;
         }
         if (menu_line==MENU_LINE_INPUT) {
@@ -156,7 +153,7 @@ int kbd_input(char* text, int buflen)
           
         lcd_update();
 
-        button_pressed=button_get_w_tmo(HZ/2);
+        button_pressed=button_get(true);
         switch (menu_line) 
         {
             case MENU_LINE_INPUT:
@@ -167,14 +164,12 @@ int kbd_input(char* text, int buflen)
                         if (cursor_pos<len)
                             cursor_pos++;
                         button_pressed=BUTTON_NONE;
-                        cursor_on=true;
                         break;
                     case BUTTON_DOWN:
                     case BUTTON_DOWN | BUTTON_REPEAT:
                         if (cursor_pos>0)
                             cursor_pos--;
                         button_pressed=BUTTON_NONE;
-                        cursor_on=true;
                         break;
                 }
                 break;
@@ -214,6 +209,27 @@ int kbd_input(char* text, int buflen)
                 }
                 break;
 
+            case MENU_LINE_BACKSPACE:
+                switch (button_pressed) {
+                    case BUTTON_ON:
+                    case BUTTON_PLAY:
+                    case BUTTON_PLAY | BUTTON_REPEAT:
+                        button_pressed=BUTTON_NONE;
+                        if (0 < cursor_pos) {
+                            for (i=--cursor_pos; i<=len; i++) {
+                                text[i]=text[i+1];
+                            }
+                        }
+                        break;
+                    case BUTTON_STOP:
+                    case BUTTON_STOP | BUTTON_REPEAT:
+                        button_pressed=BUTTON_NONE;
+                        for (i=cursor_pos; i<=len; i++) {
+                            text[i]=text[i+1];
+                        }
+                        break;
+                }
+                break;
             case MENU_LINE_DELETE:
                 switch (button_pressed) {
                     case BUTTON_ON:
@@ -270,12 +286,16 @@ int kbd_input(char* text, int buflen)
             case BUTTON_RIGHT | BUTTON_REPEAT:
                 if (menu_line<MENU_LINE_LAST)
                     menu_line++;
+                else
+                  menu_line=0;
                 break;
           
             case BUTTON_LEFT:
             case BUTTON_LEFT | BUTTON_REPEAT:
                 if (menu_line>0)
                     menu_line--;
+                else
+                  menu_line=MENU_LINE_LAST;
                 break;
         }
     }
diff --git a/firmware/drivers/lcd-player.c b/firmware/drivers/lcd-player.c
index 0ca551c..a03b1b0 100644
--- a/firmware/drivers/lcd-player.c
+++ b/firmware/drivers/lcd-player.c
@@ -72,6 +72,17 @@ struct scrollinfo {
     int direction; /* +1 for right or -1 for left*/
 };
 
+#define MAX_CURSOR_CHARS 8
+struct cursorinfo {
+  int len;
+  char text[MAX_CURSOR_CHARS];
+  int textpos;
+  int y_pos;
+  int x_pos;
+  int divider;
+  int downcount;
+} cursor;
+
 static void scroll_thread(void);
 static char scroll_stack[DEFAULT_STACK_SIZE];
 static char scroll_name[] = "scroll";
@@ -265,6 +276,7 @@ void lcd_clear_display(void)
     bool update=false; 
     DEBUGF("lcd_clear_display()\n");
     lcd_stop_scroll();
+    cursor.len=0; /* Stop cursor */
     for (i=0;i<22;i++)
       update|=lcdx_putc(i%11, i/11, ' ');
     if (update)
@@ -301,6 +313,18 @@ void lcd_puts(int x, int y, unsigned char *string)
     return lcd_puts_cont_scroll(x, y, string);
 }
 
+void lcd_put_cursor(int x, int y, char cursor_char)
+{
+  cursor.text[0]=buffer_xlcd[x][y];
+  cursor.text[1]=cursor_char;
+  cursor.len=2;
+  cursor.textpos=0;
+  cursor.y_pos=y;
+  cursor.x_pos=x;
+  cursor.downcount=0;
+  cursor.divider=4;
+}
+
 void lcd_putc(int x, int y, unsigned short ch)
 {
     bool update;
@@ -573,7 +597,16 @@ static void scroll_thread(void)
                     lcd_puts_cont_scroll(s->startx, s->starty, buffer);
                 }
             }
-
+            if (cursor.len>0) {
+              if (cursor.downcount--<0) {
+                cursor.downcount=cursor.divider;
+                cursor.textpos++;
+                if (cursor.textpos>=cursor.len)
+                  cursor.textpos=0;
+                update|=lcdx_putc(cursor.x_pos, cursor.y_pos,
+                                  cursor.text[cursor.textpos]);
+              }
+            }
             if (update) {
                 lcd_update();
             }
diff --git a/firmware/drivers/lcd.h b/firmware/drivers/lcd.h
index 6fe07c1..b4623c2 100644
--- a/firmware/drivers/lcd.h
+++ b/firmware/drivers/lcd.h
@@ -85,6 +85,7 @@ unsigned char lcd_get_locked_pattern(void);
 void lcd_unlock_pattern(unsigned char pat);
 void lcd_allow_bidirectional_scrolling(bool on);
 extern void lcd_bidir_scroll(int threshold);
+void lcd_put_cursor(int x, int y, char cursor_char);
 #endif
 
 #if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR)