Merge pull request #2 from 8go/v0.3

GUI improvements, code cleanup, more logging

Author: 8go

README.md

@@ -43,7 +43,7 @@ Note that it is software, currently in alpha stage.
 
 Below a sample screenshot. More screenshots [here](https://github.com/8go/TrezorSymmetricFileEncryption/tree/master/screenshots).
 
-![screenshot](https://github.com/8go/TrezorSymmetricFileEncryption/blob/master/screenshots/screenshot_TrezorSymmetricFileEncryption_mainWindow1.version02b.png)
+![screenshot](https://github.com/8go/TrezorSymmetricFileEncryption/blob/master/screenshots/screenshot_TrezorSymmetricFileEncryption_mainWindow2.version03b.png)
 
 # Build and runtime requirements
 
@@ -75,35 +75,51 @@ Run-time command line options are
 
 ```
 TrezorSymmetricFileEncryption.py [-v] [-h] [-l <level>] [-t] [-2] [-o | -e | -d | -n] [-p <passphrase>] <files>
-    -v, --verion          ... optional ... print the version number
-    -h, --help            ... optional ... print short help text
-    -l, --logging         ... optional ... set logging level, integer from 1 to 5, 1=full logging, 5=no logging
-    -t, --terminal        ... optional ... run in the terminal, except for PIN query
-                                           and possibly a Passphrase query this avoids the GUI
-    -m, --encnameonly     ... optional ... just encrypt the plaintext filename, show what the obfuscated filename would be
-                                           does not encrypt the file itself, incompaible with `-d` and `-n`
-    -n, --decnameonly     ... optional ... just decrypt the obfuscated filename,
-                                           does not decrypt the file itself, incompaible with `-o`, `-e`, and `-m`
-    -d, --decrypt         ... optional ... decrypt file
-    -e, --encrypt         ... optional ... encrypt file and keep plaintext file name for output (appends .tsfe suffix)
-    -o, --obfuscatedencrypt . optional ... encrypt file and obfuscate file name of output
-    -2, --twice           ... optional ... paranoid mode; encrypt file a second time on the Trezor chip itself;
-                                           only relevant for `-e` and `-o`; ignored in all other cases.
-                                           Consider filesize: The Trezor chip is slow. 1M takes roughly 75 seconds.
-    -p, --passphrase      ... optional ... master passphrase used for Trezor
-                                           It is recommended that you do not use this command line option
-                                           but rather give the passphrase through a small window interaction.
-    <files>               ...              one or multiple files to be encrypted or decrypted
-
-    By default it will use a GUI.
-
-    You can force it to avoid the GUI by using `-t`, the Terminal mode.
+    -v, --verion
+            print the version number
+    -h, --help
+            print short help text
+    -l, --logging
+            set logging level, integer from 1 to 5, 1=full logging, 5=no logging
+    -t, --terminal
+            run in the terminal, except for a possible PIN query
+            and a Passphrase query this avoids the GUI
+    -m, --encnameonly
+            just encrypt the plaintext filename, show what the obfuscated
+            filename would be; does not encrypt the file itself;
+            incompaible with `-d` and `-n`
+    -n, --decnameonly
+            just decrypt the obfuscated filename;
+            does not decrypt the file itself;
+            incompaible with `-o`, `-e`, and `-m`
+    -d, --decrypt
+            decrypt file
+    -e, --encrypt
+            encrypt file and keep output filename as plaintext
+            (appends .tsfe suffix to input file)
+    -o, --obfuscatedencrypt
+            encrypt file and obfuscate output file name
+    -2, --twice
+            paranoid mode; encrypt file a second time on the Trezor chip itself;
+            only relevant for `-e` and `-o`; ignored in all other cases.
+            Consider filesize: The Trezor chip is slow. 1M takes roughly 75 seconds.
+    -p, --passphrase
+            master passphrase used for Trezor.
+            It is recommended that you do not use this command line option
+            but rather give the passphrase through a small window interaction.
+    <files>
+            one or multiple files to be encrypted or decrypted
+
+    All arguments are optional.
+
+    All output files are always placed in the same directory as the input files.
+
+    By default the GUI will be used.
+
+    You can avoid the GUI by using `-t`, forcing the Terminal mode.
     If you specify filename, possibly some `-o`, `-e`, or `-d` option, then
     only PIN and Passphrase will be collected through windows.
 
-    Using the GUI has the advantage that no passphrase has to be specified in the command line.
-    So, using the GUI is safer.
-
     Most of the time TrezorSymmetricFileEncryption can detect automatically if
     it needs to decrypt or encrypt by analyzing the given input file name.
     So, in most of the cases you do not need to specify any
@@ -113,16 +129,16 @@ TrezorSymmetricFileEncryption.py [-v] [-h] [-l <level>] [-t] [-2] [-o | -e | -d
     the wrong encrypt/decrypt operation you can force it to use the right one
     by using either `-e` or `-d` or selecting the appropriate option in the GUI.
 
-    If TrezorSymmetricFileEncryption automatically choses the encryption
-    option for you, it will chose by default the `-e`, and create
-    plaintext encrypted files with an `.tsfe` suffix.
+    If TrezorSymmetricFileEncryption automatically determines
+    that it has to encrypt of file, it will chose by default the
+    `-e` option, and create a plaintext encrypted files with an `.tsfe` suffix.
 
     If you want the output file name to be obfuscated you
     must use the `-o` (obfuscate) flag or select that option in the GUI.
 
     Be aware of computation time and file sizes when you use `-2` option.
     Encrypting on the Trezor takes time: 1M roughtly 75sec. 50M about 1h.
-    Without `-2` a 1G file takes roughly 15 seconds.
+    Without `-2` it is very fast, a 1G file taking roughly 15 seconds.
 ```
 
 # Testing