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w32log.c
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/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/w32log.c,v $
*
* Purpose : Functions for creating and destroying the log window,
* ouputting strings, processing messages and so on.
*
* Copyright : Written by and Copyright (C) 2001-2009 members of
* the Privoxy team. http://www.privoxy.org/
*
* Written by and Copyright (C) 1999 Adam Lock
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* The GNU General Public License should be included with
* this file. If not, you can view it at
* http://www.gnu.org/copyleft/gpl.html
* or write to the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*********************************************************************/
#include "config.h"
#include <assert.h>
#include <stdio.h>
#ifndef STRICT
#define STRICT
#endif
#include <winsock2.h>
#include <windows.h>
#include <richedit.h>
#include "project.h"
#include "w32log.h"
#include "w32taskbar.h"
#include "win32.h"
#include "w32res.h"
#include "jcc.h"
#include "miscutil.h"
#include "errlog.h"
#include "loadcfg.h"
#ifndef _WIN_CONSOLE /* entire file */
/*
* Timers and the various durations
*/
#define TIMER_ANIM_ID 1
#define TIMER_ANIM_TIME 100
#define TIMER_ANIMSTOP_ID 2
#define TIMER_ANIMSTOP_TIME 1000
#define TIMER_CLIPBUFFER_ID 3
#define TIMER_CLIPBUFFER_TIME 1000
#define TIMER_CLIPBUFFER_FORCE_ID 4
#define TIMER_CLIPBUFFER_FORCE_TIME 5000
/*
* Styles of text that can be output
*/
#define STYLE_NONE 0
#define STYLE_HIGHLIGHT 1
#define STYLE_LINK 2
#define STYLE_HEADER 3
/*
* Number of frames of animation in tray activity sequence
*/
#define ANIM_FRAMES 8
#define DEFAULT_MAX_BUFFER_LINES 200
#define DEFAULT_LOG_FONT_NAME "MS Sans Serif"
#define DEFAULT_LOG_FONT_SIZE 8
/*
* These values affect the way the log window behaves, they should be read
* from a file but for the moment, they are hardcoded here. Some options are
* configurable through the UI.
*/
/* Indicates whether task bar shows activity animation */
BOOL g_bShowActivityAnimation = 1;
/* Indicates whether the log window is shown */
BOOL g_bShowLogWindow = 1;
/* Indicates if the log window appears on the task bar */
BOOL g_bShowOnTaskBar = 0;
/* Indicates whether closing the log window really just hides it */
BOOL g_bCloseHidesWindow = 1;
/* Indicates if messages are logged at all */
BOOL g_bLogMessages = 1;
/* Indicates whether log messages are highlighted */
BOOL g_bHighlightMessages = 1;
/* Indicates if buffer is limited in size */
BOOL g_bLimitBufferSize = 1;
/* Maximum number of lines allowed in buffer when limited */
int g_nMaxBufferLines = DEFAULT_MAX_BUFFER_LINES;
/* Font to use */
char g_szFontFaceName[32] = DEFAULT_LOG_FONT_NAME;
/* Size of font to use */
int g_nFontSize = DEFAULT_LOG_FONT_SIZE;
/* FIXME: this is a kludge */
const char * g_default_actions_file = NULL;
const char * g_user_actions_file = NULL;
const char * g_default_filterfile = NULL;
const char * g_user_filterfile = NULL;
#ifdef FEATURE_TRUST
const char * g_trustfile = NULL;
#endif /* def FEATURE_TRUST */
/* FIXME: end kludge */
/* Regular expression for detected URLs */
#define RE_URL "http:[^ \n\r]*"
/*
* Regular expressions that are used to perform highlight in the log window
*/
static struct _Pattern
{
const char *str;
int style;
regex_t buffer;
} patterns_to_highlight[] =
{
/* url headers */
{ RE_URL, STYLE_LINK },
/* { "[a-zA-Z0-9]+\\.[a-zA-Z0-9]+\\.[a-zA-Z0-9]+\\.[^ \n\r]*", STYLE_LINK }, */
/* interesting text to highlight */
/* see jcc.c crunch_reason for the full list */
{ "Crunch: Blocked:", STYLE_HIGHLIGHT },
{ "Crunch: Untrusted", STYLE_HIGHLIGHT },
{ "Crunch: Redirected:", STYLE_HIGHLIGHT },
{ "Crunch: DNS failure", STYLE_HIGHLIGHT },
{ "Crunch: Forwarding failed", STYLE_HIGHLIGHT },
{ "Crunch: Connection failure", STYLE_HIGHLIGHT },
{ "Crunch: Out of memory", STYLE_HIGHLIGHT },
{ "Connect: Found reusable socket", STYLE_HIGHLIGHT },
{ "Connect: Reusing server socket", STYLE_HIGHLIGHT },
{ "Connect: Created new connection to", STYLE_HIGHLIGHT },
{ "hung up on us", STYLE_HIGHLIGHT },
{ "Info: Loading actions file:", STYLE_HIGHLIGHT },
{ "Info: Loading filter file:", STYLE_HIGHLIGHT },
{ "Info: Now toggled ", STYLE_HIGHLIGHT },
{ "Crunching Referer:", STYLE_HIGHLIGHT },
/* what are all the possible error strings?? */
{ "Error:", STYLE_HIGHLIGHT },
/* http headers */
{ "referer:", STYLE_HEADER },
{ "proxy-connection:", STYLE_HEADER },
{ "proxy-agent:", STYLE_HEADER },
{ "user-agent:", STYLE_HEADER },
{ "host:", STYLE_HEADER },
{ "accept:", STYLE_HEADER },
{ "accept-encoding:", STYLE_HEADER },
{ "accept-language:", STYLE_HEADER },
{ "accept-charset:", STYLE_HEADER },
{ "accept-ranges:", STYLE_HEADER },
{ "date:", STYLE_HEADER },
{ "cache-control:", STYLE_HEADER },
{ "cache-last-checked:", STYLE_HEADER },
{ "connection:", STYLE_HEADER },
{ "content-type", STYLE_HEADER },
{ "content-length", STYLE_HEADER },
{ "cookie", STYLE_HEADER },
{ "last-modified:", STYLE_HEADER },
{ "pragma:", STYLE_HEADER },
{ "server:", STYLE_HEADER },
{ "etag:", STYLE_HEADER },
{ "expires:", STYLE_HEADER },
{ "warning:", STYLE_HEADER },
/* this is the terminator statement - do not delete! */
{ NULL, STYLE_NONE }
};
/*
* Public variables
*/
HWND g_hwndLogFrame;
HICON g_hiconApp;
/*
* Private variables
*/
static CRITICAL_SECTION g_criticalsection;
static HWND g_hwndTray;
static HWND g_hwndLogBox;
static WNDPROC g_fnLogBox;
static HICON g_hiconAnim[ANIM_FRAMES];
static HICON g_hiconIdle;
static HICON g_hiconOff;
static int g_nAnimFrame;
static BOOL g_bClipPending = FALSE;
static int g_nRichEditVersion = 0;
/*
* Private functions
*/
static HWND CreateLogWindow(HINSTANCE hInstance, int nCmdShow);
static HWND CreateHiddenLogOwnerWindow(HINSTANCE hInstance);
static LRESULT CALLBACK LogWindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
static LRESULT CALLBACK LogOwnerWindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
static LRESULT CALLBACK LogRichEditProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
static BOOL InitRichEdit(void);
static void LogClipBuffer(void);
static void LogCreatePatternMatchingBuffers(void);
static void LogDestroyPatternMatchingBuffers(void);
static int LogPutStringNoMatch(const char *pszText, int style);
static void SetIdleIcon(void);
/*********************************************************************
*
* Function : InitLogWindow
*
* Description : Initialise the log window.
*
* Parameters : None
*
* Returns : Always TRUE (there should be error checking on the resources).
*
*********************************************************************/
BOOL InitLogWindow(void)
{
int i;
/* Load the icons */
g_hiconIdle = LoadIcon(g_hInstance, MAKEINTRESOURCE(IDI_IDLE));
g_hiconOff = LoadIcon(g_hInstance, MAKEINTRESOURCE(IDI_OFF));
for (i = 0; i < ANIM_FRAMES; i++)
{
g_hiconAnim[i] = LoadIcon(g_hInstance, MAKEINTRESOURCE(IDI_ANIMATED1 + i));
}
g_hiconApp = LoadIcon(g_hInstance, MAKEINTRESOURCE(IDI_MAINICON));
/* Create the user interface */
g_hwndLogFrame = CreateLogWindow(g_hInstance, g_nCmdShow);
g_hwndTray = CreateTrayWindow(g_hInstance);
TrayAddIcon(g_hwndTray, 1, g_hiconApp, "Privoxy");
/* Create pattern matching buffers (for highlighting */
LogCreatePatternMatchingBuffers();
/* Create a critical section to protect multi-threaded access to certain things */
InitializeCriticalSection(&g_criticalsection);
return TRUE;
}
/*********************************************************************
*
* Function : TermLogWindow
*
* Description : Cleanup the logwindow.
*
* Parameters : None
*
* Returns : N/A
*
*********************************************************************/
void TermLogWindow(void)
{
int i;
LogDestroyPatternMatchingBuffers();
TrayDeleteIcon(g_hwndTray, 1);
DeleteObject(g_hiconApp);
DeleteObject(g_hiconIdle);
DeleteObject(g_hiconOff);
for (i = 0; i < ANIM_FRAMES; i++)
{
DeleteObject(g_hiconAnim[i]);
}
}
/*********************************************************************
*
* Function : LogCreatePatternMatchingBuffers
*
* Description : Compile the pattern matching buffers.
*
* Parameters : None
*
* Returns : N/A
*
*********************************************************************/
void LogCreatePatternMatchingBuffers(void)
{
int i;
for (i = 0; patterns_to_highlight[i].str != NULL; i++)
{
regcomp(&patterns_to_highlight[i].buffer, patterns_to_highlight[i].str, REG_ICASE);
}
}
/*********************************************************************
*
* Function : LogDestroyPatternMatchingBuffers
*
* Description : Free up the pattern matching buffers.
*
* Parameters : None
*
* Returns : N/A
*
*********************************************************************/
void LogDestroyPatternMatchingBuffers(void)
{
int i;
for (i = 0; patterns_to_highlight[i].str != NULL; i++)
{
regfree(&patterns_to_highlight[i].buffer);
}
}
/*********************************************************************
*
* Function : LogPutString
*
* Description : Inserts text into the logging window. This is really
* a regexp aware wrapper function to `LogPutStringNoMatch'.
*
* Parameters :
* 1 : pszText = pointer to string going to the log window
*
* Returns : 1 => success, else the return code from `LogPutStringNoMatch'.
* FIXME: this is backwards to the rest of IJB and to common
* programming practice. Please use 0 => success instead.
*
*********************************************************************/
int LogPutString(const char *pszText)
{
int i;
int result = 0;
if (!g_bLogMessages)
{
return 1;
}
if (pszText == NULL || strlen(pszText) == 0)
{
return 1;
}
/* Critical section stops multiple threads doing nasty interactions that
* foul up the highlighting and output.
*/
EnterCriticalSection(&g_criticalsection);
if (g_bHighlightMessages)
{
regmatch_t match;
/* First things first, regexp scan for various things that we would like highlighted */
for (i = 0; patterns_to_highlight[i].str != NULL; i++)
{
if (regexec(&patterns_to_highlight[i].buffer, pszText, 1, &match, 0) == 0)
{
char *pszBefore = NULL;
char *pszMatch = NULL;
char *pszAfter = NULL;
int nMatchSize;
/* Split the string up into pieces representing the strings, before
at and after the matching pattern
*/
if (match.rm_so > 0)
{
pszBefore = (char *)malloc((match.rm_so + 1) * sizeof(char));
memset(pszBefore, 0, (match.rm_so + 1) * sizeof(char));
strncpy(pszBefore, pszText, match.rm_so);
}
if (match.rm_eo < (regoff_t)strlen(pszText))
{
pszAfter = strdup(&pszText[match.rm_eo]);
}
nMatchSize = match.rm_eo - match.rm_so;
pszMatch = (char *)malloc(nMatchSize + 1);
strncpy(pszMatch, &pszText[match.rm_so], nMatchSize);
pszMatch[nMatchSize] = '\0';
/* Recursively call LogPutString */
if (pszBefore)
{
LogPutString(pszBefore);
free(pszBefore);
}
if (pszMatch)
{
LogPutStringNoMatch(pszMatch, patterns_to_highlight[i].style);
free(pszMatch);
}
if (pszAfter)
{
LogPutString(pszAfter);
free(pszAfter);
}
result = 1;
goto end;
}
}
}
result = LogPutStringNoMatch(pszText, STYLE_NONE);
end:
LeaveCriticalSection(&g_criticalsection);
return result;
}
/*********************************************************************
*
* Function : LogPutStringNoMatch
*
* Description : Puts a string into the logging window.
*
* Parameters :
* 1 : pszText = pointer to string going to the log window
* 2 : style = STYLE_NONE, STYLE_HEADER, STYLE_HIGHLIGHT, or STYLE_LINK
*
* Returns : Always 1 => success.
* FIXME: this is backwards to the rest of IJB and to common
* programming practice. Please use 0 => success instead.
*
*********************************************************************/
int LogPutStringNoMatch(const char *pszText, int style)
{
CHARRANGE range;
CHARFORMAT format;
int nTextLength;
assert(g_hwndLogBox);
if (g_hwndLogBox == NULL)
{
return 1;
}
/* TODO preserve existing selection */
/* Go to the end of the text */
nTextLength = GetWindowTextLength(g_hwndLogBox);
range.cpMin = nTextLength;
range.cpMax = nTextLength;
SendMessage(g_hwndLogBox, EM_EXSETSEL, 0, (LPARAM) &range);
/* Apply a formatting style */
memset(&format, 0, sizeof(format));
format.cbSize = sizeof(format);
format.dwMask = CFM_BOLD | CFM_UNDERLINE | CFM_STRIKEOUT |
CFM_ITALIC | CFM_COLOR | CFM_FACE | CFM_SIZE | CFM_CHARSET;
format.bCharSet = DEFAULT_CHARSET;
format.yHeight = (g_nFontSize * 1440) / 72;
strlcpy(format.szFaceName, g_szFontFaceName, sizeof(format.szFaceName));
if (style == STYLE_NONE)
{
/* DO NOTHING */
format.dwEffects |= CFE_AUTOCOLOR;
}
else if (style == STYLE_HEADER)
{
format.dwEffects |= CFE_AUTOCOLOR | CFE_ITALIC;
}
else if (style == STYLE_HIGHLIGHT)
{
format.dwEffects |= CFE_AUTOCOLOR | CFE_BOLD;
}
else if (style == STYLE_LINK)
{
format.dwEffects |= CFE_UNDERLINE;
format.crTextColor = RGB(0, 0, 255);
}
SendMessage(g_hwndLogBox, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM) &format);
/* Append text to the end */
SendMessage(g_hwndLogBox, EM_REPLACESEL, FALSE, (LPARAM) pszText);
/* TODO Restore the old selection */
/* Purge buffer */
if (strchr(pszText, '\n') != NULL)
{
SetTimer(g_hwndLogFrame, TIMER_CLIPBUFFER_ID, TIMER_CLIPBUFFER_TIME, NULL);
if (!g_bClipPending)
{
/* Set the force clip timer going. This timer ensures clipping is done
intermittently even when there is a sustained burst of logging
*/
SetTimer(g_hwndLogFrame, TIMER_CLIPBUFFER_FORCE_ID, TIMER_CLIPBUFFER_FORCE_TIME, NULL);
}
g_bClipPending = TRUE;
}
return 1;
}
/*********************************************************************
*
* Function : LogShowActivity
*
* Description : Start the spinner.
*
* Parameters : None
*
* Returns : N/A
*
*********************************************************************/
void LogShowActivity(void)
{
/* Start some activity timers */
if (g_bShowActivityAnimation)
{
SetTimer(g_hwndLogFrame, TIMER_ANIM_ID, TIMER_ANIM_TIME, NULL);
SetTimer(g_hwndLogFrame, TIMER_ANIMSTOP_ID, TIMER_ANIMSTOP_TIME, NULL);
}
}
/*********************************************************************
*
* Function : LogClipBuffer
*
* Description : Prunes old lines from the log.
*
* Parameters : None
*
* Returns : N/A
*
*********************************************************************/
void LogClipBuffer(void)
{
int nLines = SendMessage(g_hwndLogBox, EM_GETLINECOUNT, 0, 0);
if (g_bLimitBufferSize && nLines > g_nMaxBufferLines)
{
/* Compute the range representing the lines to be deleted */
LONG nLastLineToDelete = nLines - g_nMaxBufferLines;
LONG nLastChar = SendMessage(g_hwndLogBox, EM_LINEINDEX, nLastLineToDelete, 0);
CHARRANGE range;
range.cpMin = 0;
range.cpMax = nLastChar;
/* TODO get current selection */
/* TODO adjust and clip old selection against range to be deleted */
/* Select range and erase it (turning off autoscroll to prevent
nasty scrolling) */
SendMessage(g_hwndLogBox, EM_SETOPTIONS, ECOOP_XOR, ECO_AUTOVSCROLL);
SendMessage(g_hwndLogBox, EM_EXSETSEL, 0, (LPARAM) &range);
SendMessage(g_hwndLogBox, EM_REPLACESEL, FALSE, (LPARAM) "");
SendMessage(g_hwndLogBox, EM_SETOPTIONS, ECOOP_XOR, ECO_AUTOVSCROLL);
/* reposition (back to) the end of the log content */
range.cpMin = SendMessage (g_hwndLogBox, WM_GETTEXTLENGTH, 0, 0);
range.cpMax = -1;
SendMessage(g_hwndLogBox, EM_EXSETSEL, 0, (LPARAM) &range);
/* restore vertical ScrollBar stuff (messed up by AUTOVSCROLL) */
SendMessage (g_hwndLogBox, EM_SCROLL, SB_LINEDOWN, 0);
}
}
/*********************************************************************
*
* Function : CreateHiddenLogOwnerWindow
*
* Description : Creates a hidden owner window that stops the log
* window appearing in the task bar.
*
* Parameters :
* 1 : hInstance = application's instance handle
*
* Returns : Handle to newly created window.
*
*********************************************************************/
HWND CreateHiddenLogOwnerWindow(HINSTANCE hInstance)
{
static const char *szWndName = "PrivoxyLogOwner";
WNDCLASS wc;
HWND hwnd;
wc.style = 0;
wc.lpfnWndProc = LogOwnerWindowProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = g_hiconApp;
wc.hCursor = 0;
wc.hbrBackground = 0;
wc.lpszMenuName = 0;
wc.lpszClassName = szWndName;
RegisterClass(&wc);
hwnd = CreateWindow(szWndName, szWndName,
WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, NULL, NULL, hInstance, NULL);
return hwnd;
}
/*********************************************************************
*
* Function : LogOwnerWindowProc
*
* Description : Dummy procedure that does nothing special.
*
* Parameters :
* 1 : hwnd = window handle
* 2 : uMsg = message number
* 3 : wParam = first param for this message
* 4 : lParam = next param for this message
*
* Returns : Same as `DefWindowProc'.
*
*********************************************************************/
LRESULT CALLBACK LogOwnerWindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
/*********************************************************************
*
* Function : CreateLogWindow
*
* Description : Create the logging window.
*
* Parameters :
* 1 : hInstance = application's instance handle
* 2 : nCmdShow = window show value (MIN, MAX, NORMAL, etc...)
*
* Returns : Handle to newly created window.
*
*********************************************************************/
HWND CreateLogWindow(HINSTANCE hInstance, int nCmdShow)
{
static const char *szWndName = "PrivoxyLogWindow";
static const char *szWndTitle = "Privoxy";
HWND hwnd = NULL;
HWND hwndOwner = (g_bShowOnTaskBar) ? NULL : CreateHiddenLogOwnerWindow(hInstance);
RECT rcClient;
WNDCLASSEX wc;
memset(&wc, 0, sizeof(wc));
wc.cbSize = sizeof(wc);
wc.style = CS_DBLCLKS;
wc.lpfnWndProc = LogWindowProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = g_hiconApp;
wc.hCursor = 0;
wc.hbrBackground = 0;
wc.lpszMenuName = MAKEINTRESOURCE(IDR_LOGVIEW);
wc.lpszClassName = szWndName;
wc.hbrBackground = GetStockObject(WHITE_BRUSH);
RegisterClassEx(&wc);
hwnd = CreateWindowEx(WS_EX_APPWINDOW, szWndName, szWndTitle,
WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, hwndOwner, NULL, hInstance, NULL);
/* Now create a child list box */
GetClientRect(hwnd, &rcClient);
/* Create a rich edit control */
InitRichEdit();
g_hwndLogBox = CreateWindowEx(0, (g_nRichEditVersion == 0x0100) ? "RichEdit" : RICHEDIT_CLASS, "",
ES_AUTOVSCROLL | ES_MULTILINE | ES_READONLY | ES_NOHIDESEL | WS_CHILD | WS_VSCROLL | WS_HSCROLL | WS_VISIBLE,
rcClient.left, rcClient.top, rcClient.right, rcClient.bottom,
hwnd, NULL, hInstance, NULL);
/* SendMessage(g_hwndLogBox, EM_SETWORDWRAPMODE, 0, 0); */
/* Subclass the control to catch certain messages */
g_fnLogBox = (WNDPROC) GetWindowLongPtr(g_hwndLogBox, GWLP_WNDPROC);
SetWindowLongPtr(g_hwndLogBox, GWLP_WNDPROC, (LONG_PTR) LogRichEditProc);
/* Minimizing looks stupid when the log window is not on the task bar, so hide instead */
if (!g_bShowOnTaskBar &&
(nCmdShow == SW_SHOWMINIMIZED ||
nCmdShow == SW_MINIMIZE ||
nCmdShow == SW_SHOWMINNOACTIVE))
{
g_bShowLogWindow = FALSE;
nCmdShow = SW_HIDE;
}
ShowWindow(hwnd, nCmdShow);
UpdateWindow(hwnd);
GetClientRect(g_hwndLogFrame, &rcClient);
SetWindowPos(g_hwndLogBox, NULL, rcClient.left, rcClient.top, rcClient.right - rcClient.left, rcClient.bottom - rcClient.top, SWP_NOZORDER);
return hwnd;
}
/*********************************************************************
*
* Function : InitRichEdit
*
* Description : Initialise the rich edit control library.
*
* Parameters : None
*
* Returns : TRUE => success, FALSE => failure.
* FIXME: this is backwards to the rest of IJB and to common
* programming practice. Please use 0 => success instead.
*
*********************************************************************/
BOOL InitRichEdit(void)
{
static HINSTANCE hInstRichEdit;
if (hInstRichEdit == NULL)
{
g_nRichEditVersion = 0;
hInstRichEdit = LoadLibraryA("RICHED20.DLL");
if (hInstRichEdit)
{
g_nRichEditVersion = _RICHEDIT_VER;
}
else
{
hInstRichEdit = LoadLibraryA("RICHED32.DLL");
if (hInstRichEdit)
{
g_nRichEditVersion = 0x0100;
}
}
}
return (hInstRichEdit != NULL) ? TRUE : FALSE;
}
/*********************************************************************
*
* Function : ShowLogWindow
*
* Description : Shows or hides the log window. We will also raise the
* window on a show command in case it is buried.
*
* Parameters :
* 1 : bShow = TRUE to show, FALSE to mimize/hide
*
* Returns : N/A
*
*********************************************************************/
void ShowLogWindow(BOOL bShow)
{
if (bShow)
{
SetForegroundWindow(g_hwndLogFrame);
SetWindowPos(g_hwndLogFrame, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE);
}
else if (g_bShowOnTaskBar)
{
ShowWindow(g_hwndLogFrame, SW_MINIMIZE);
}
else
{
ShowWindow(g_hwndLogFrame, SW_HIDE);
}
}
/*********************************************************************
*
* Function : EditFile
*
* Description : Opens the specified setting file for editing.
* FIXME: What if the file has no associated application. Check for return values
* from ShellExecute??
*
* Parameters :
* 1 : filename = filename from the config (aka config.txt) file.
*
* Returns : N/A
*
*********************************************************************/
void EditFile(const char *filename)
{
if (filename)
{
ShellExecute(g_hwndLogFrame, "open", filename, NULL, NULL, SW_SHOWNORMAL);
}
}
/*--------------------------------------------------------------------------*/
/* Windows message handlers */
/*--------------------------------------------------------------------------*/
/*********************************************************************
*
* Function : OnLogRButtonUp
*
* Description : Handler for WM_RBUTTONUP messages.
*
* Parameters :
* 1 : nModifier = wParam from mouse message (unused)
* 2 : x = x coordinate of the mouse event
* 3 : y = y coordinate of the mouse event
*
* Returns : N/A
*
*********************************************************************/
void OnLogRButtonUp(int nModifier, int x, int y)
{
HMENU hMenu = LoadMenu(g_hInstance, MAKEINTRESOURCE(IDR_POPUP_SELECTION));
if (hMenu != NULL)
{
HMENU hMenuPopup = GetSubMenu(hMenu, 0);
/* Check if there is a selection */
CHARRANGE range;
SendMessage(g_hwndLogBox, EM_EXGETSEL, 0, (LPARAM) &range);
if (range.cpMin == range.cpMax)
{
EnableMenuItem(hMenuPopup, ID_EDIT_COPY, MF_BYCOMMAND | MF_GRAYED);
}
else
{
EnableMenuItem(hMenuPopup, ID_EDIT_COPY, MF_BYCOMMAND | MF_ENABLED);
}
/* Display the popup */
TrackPopupMenu(hMenuPopup, TPM_LEFTALIGN | TPM_TOPALIGN | TPM_RIGHTBUTTON, x, y, 0, g_hwndLogFrame, NULL);
DestroyMenu(hMenu);
}
}
/*********************************************************************
*
* Function : OnLogCommand
*
* Description : Handler for WM_COMMAND messages.
*
* Parameters :
* 1 : nCommand = the command portion of the menu selection event
*
* Returns : N/A
*
*********************************************************************/
void OnLogCommand(int nCommand)
{
switch (nCommand)
{
case ID_TOGGLE_SHOWWINDOW:
g_bShowLogWindow = !g_bShowLogWindow;
ShowLogWindow(g_bShowLogWindow);
break;
case ID_FILE_EXIT:
PostMessage(g_hwndLogFrame, WM_CLOSE, 0, 0);
break;
case ID_EDIT_COPY:
SendMessage(g_hwndLogBox, WM_COPY, 0, 0);
break;
case ID_VIEW_CLEARLOG:
SendMessage(g_hwndLogBox, WM_SETTEXT, 0, (LPARAM) "");
break;
case ID_VIEW_LOGMESSAGES:
g_bLogMessages = !g_bLogMessages;
/* SaveLogSettings(); */
break;
case ID_VIEW_MESSAGEHIGHLIGHTING:
g_bHighlightMessages = !g_bHighlightMessages;
/* SaveLogSettings(); */
break;
case ID_VIEW_LIMITBUFFERSIZE:
g_bLimitBufferSize = !g_bLimitBufferSize;
/* SaveLogSettings(); */
break;
case ID_VIEW_ACTIVITYANIMATION:
g_bShowActivityAnimation = !g_bShowActivityAnimation;
/* SaveLogSettings(); */
break;
#ifdef FEATURE_TOGGLE
case ID_TOGGLE_ENABLED:
global_toggle_state = !global_toggle_state;
log_error(LOG_LEVEL_INFO,
"Now toggled %s", global_toggle_state ? "ON" : "OFF");
/*
* Leverage TIMER_ANIMSTOP_ID to set the idle icon through the
* "application queue". According to MSDN, 10 milliseconds are
* the lowest value possible and seem to be close enough to
* "instantly".
*/
SetTimer(g_hwndLogFrame, TIMER_ANIMSTOP_ID, 10, NULL);
break;
#endif /* def FEATURE_TOGGLE */
case ID_TOOLS_EDITCONFIG:
EditFile(configfile);
break;
case ID_TOOLS_EDITDEFAULTACTIONS:
EditFile(g_default_actions_file);
break;
case ID_TOOLS_EDITUSERACTIONS:
EditFile(g_user_actions_file);
break;
case ID_TOOLS_EDITDEFAULTFILTERS:
EditFile(g_default_filterfile);
break;
case ID_TOOLS_EDITUSERFILTERS:
EditFile(g_user_filterfile);
break;
#ifdef FEATURE_TRUST
case ID_TOOLS_EDITTRUST:
EditFile(g_trustfile);
break;
#endif /* def FEATURE_TRUST */
case ID_HELP_GPL:
ShellExecute(g_hwndLogFrame, "open", "LICENSE.txt", NULL, NULL, SW_SHOWNORMAL);
break;
case ID_HELP_FAQ:
ShellExecute(g_hwndLogFrame, "open", "doc\\faq\\index.html", NULL, NULL, SW_SHOWNORMAL);
break;
case ID_HELP_MANUAL:
ShellExecute(g_hwndLogFrame, "open", "doc\\user-manual\\index.html", NULL, NULL, SW_SHOWNORMAL);
break;
case ID_HELP_STATUS:
ShellExecute(g_hwndLogFrame, "open", CGI_PREFIX "show-status", NULL, NULL, SW_SHOWNORMAL);
break;
case ID_HELP_ABOUT:
MessageBox(g_hwndLogFrame, win32_blurb, "About Privoxy", MB_OK);
break;