From 73253e93327cf4ef0932de1b4afb56af22a0f37e Mon Sep 17 00:00:00 2001
From: pohly <pohly>
Date: Tue, 24 Aug 2004 20:52:45 +0000
Subject: updated source to opie-reader 0.7g

---
(limited to 'noncore/apps/opie-reader/Navigation.cpp')

diff --git a/noncore/apps/opie-reader/Navigation.cpp b/noncore/apps/opie-reader/Navigation.cpp
index 36e33b4..a886d88 100644
--- a/noncore/apps/opie-reader/Navigation.cpp
+++ b/noncore/apps/opie-reader/Navigation.cpp
@@ -2,79 +2,6 @@
 #include <string.h>
 #endif
 #include "Navigation.h"
-//#include <stdio.h>
-
-/*
-    void saveposn(size_t posn)
-    save/push position to history buffer for future use of back() function
-*/
-void CNavigation::saveposn(size_t posn)
-{
-    //printf("saving position %u, depth %u\n",posn,historycurrent);
-    history[historycurrent] = posn;
-    historycurrent=(historycurrent+1)%NAVIGATION_HISTORY_SIZE;
-    if (historycurrent==historystart)
-        // circular buffer full, forget oldest record
-        historystart=(historystart+1)%NAVIGATION_HISTORY_SIZE;
-    // no forward possible after saveposn
-    historyend = historycurrent;
-}
-
-/*
-    void writeposn(size_t posn)
-    overwrite current (unused) position
-    useful for saving current position before using back button
-*/
-void CNavigation::writeposn(size_t posn)
-{
-    //printf("witing position %u, depth %u\n",posn,historycurrent);
-    history[historycurrent] = posn;
-}
-
-/*
-    bool back(size_t& posn)
-    go back in history
-    restore last position saved with saveposn() and return true
-    return false if there is nothing saved in history
-*/
-bool CNavigation::back(size_t& posn)
-{
-    if (historycurrent!=historystart) {
-        // buffer is not empty
-        if (historycurrent==0)
-            historycurrent=NAVIGATION_HISTORY_SIZE-1;
-        else
-            historycurrent--;
-        posn=history[historycurrent];
-        //printf("back(): going back to %u depth %u\n",posn,historycurrent);
-        return true;
-
-    } else {
-        // circular buffer empty
-        //printf("back(): empty history\n");
-        return false;
-    }
-}
-
-/*
-    bool forward(size_t& posn)
-    go forward in history, if possible
-    undo calling of back()
-*/
-bool CNavigation::forward(size_t& posn)
-{
-    if (historycurrent!=historyend) {
-        // [historycurrent] = current position
-        // [historycurrent+1] = position we need
-        historycurrent=(historycurrent+1)%NAVIGATION_HISTORY_SIZE;
-        posn = history[historycurrent];
-        //printf("forward(): going to position %d\n",posn);
-        return true;
-    } else {
-        //printf("forward(): there is no future :)\n");
-        return false;
-    }
-}
 
 void CNavigation::setSaveData(unsigned char*& data, unsigned short& len, unsigned char* src, unsigned short srclen)
 {
@@ -90,12 +17,6 @@ void CNavigation::setSaveData(unsigned char*& data, unsigned short& len, unsigne
     memcpy(p, &historycurrent, sizeof(size_t));
     p += sizeof(size_t);
     memcpy(p, history, sizeof(size_t)*NAVIGATION_HISTORY_SIZE);
-/*
-    printf("<%u,%u,%u>\n", historystart, historyend, historycurrent);
-    for (int i = historystart; i <= historyend; i++)
-	printf("<%u> ", history[i]);
-    printf("\n");
-*/
 }
 
 void CNavigation::putSaveData(unsigned char*& src, unsigned short& srclen)
--
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