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ttcalc/src/pad.cpp

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/*
* This file is a part of TTCalc - a mathematical calculator
* and is distributed under the (new) BSD licence.
* Author: Tomasz Sowa <t.sowa@ttmath.org>
*/
/*
* Copyright (c) 2006-2009, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name Tomasz Sowa nor the names of contributors to this
* project may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <windows.h>
#include <ttmath/ttmath.h>
#include <shlobj.h>
#include <fstream>
#include "programresources.h"
#include "resource.h"
#include "messages.h"
#include "bigtypes.h"
#include "pad.h"
namespace Pad
{
HWND edit;
WNDPROC old_edit_proc;
std::string parse_string;
int precision;
HFONT font;
int base_input;
int base_output;
bool always_scientific;
int when_scientific;
int rounding;
bool remove_zeroes;
int angle_deg_rad_grad;
char decimal_point;
Languages::Country country;
ttmath::Objects * variables;
ttmath::Objects * functions;
ttmath::ErrorCode code;
bool calculated;
std::string res, res2;
std::string file_name;
#ifndef TTCALC_PORTABLE
ttmath::Parser<TTMathBig1> parser1;
ttmath::Parser<TTMathBig2> parser2;
ttmath::Parser<TTMathBig3> parser3;
#else
ttmath::Parser<TTMathBig1> parser1;
#endif
void PutChars(const char * str)
{
SendMessage(edit, EM_REPLACESEL, true, (LPARAM)str);
}
void PutChars(std::string & str)
{
PutChars(str.c_str());
}
void PutOverflowMsg()
{
PutChars(GetPrgRes()->GetLanguages()->ErrorMessage(country, ttmath::err_overflow));
PutChars("\r\n");
}
template<typename ValueType>
void PutResultFromParser(ttmath::Parser<ValueType> & matparser)
{
unsigned int i = 0;
res.clear();
res2.clear();
for(i=0 ; i<matparser.stack.size() ; ++i)
{
try
{
ValueType result = matparser.stack[i].value;
if( result.ToString(res2, base_output, always_scientific, when_scientific, rounding, remove_zeroes, decimal_point) )
res2 = GetPrgRes()->GetLanguages()->GuiMessage(country, Languages::overflow_during_printing);
}
catch(...)
{
res2 = GetPrgRes()->GetLanguages()->ErrorMessage(country, ttmath::err_internal_error);
}
res += res2;
if( i < matparser.stack.size()-1 )
res += "\r\n";
}
res += ' ';
PutChars(res);
}
void PutResult()
{
#ifndef TTCALC_PORTABLE
switch( precision )
{
case 0:
PutResultFromParser(parser1);
break;
case 1:
PutResultFromParser(parser2);
break;
default:
PutResultFromParser(parser3);
break;
}
#else
PutResultFromParser(parser1);
#endif
}
// line - index of a line -- as you see it on the edit control
// (if the text is wrapped then the line is larger)
void GetParseString(const char * buf, int line)
{
int i;
i = SendMessage(edit, EM_LINEINDEX, line, 0);
// first_line_char takes into consideration \r\n characters
if( i < 0 )
// something wrong
return;
// looking for the beginning of the line (lines can be wrapped)
for( ; i>0 && buf[i-1]!=10 ; --i);
// copying the whole line
for( ; buf[i]!=0 && buf[i]!='\r' && buf[i]!='\n' ; ++i )
parse_string += buf[i];
}
void GetParseString()
{
int line;
parse_string.clear();
// index of a last line to parse (-1 because the ENTER has been put)
line = SendMessage(edit, EM_LINEFROMCHAR, -1, 0) - 1;
if( line < 0 )
// something wrong
return;
HLOCAL handle = (HLOCAL)SendMessage(edit, EM_GETHANDLE, 0, 0);
if( handle == 0 )
// something wrong
return;
const char * buf = (const char*)LocalLock(handle);
if( buf )
GetParseString(buf, line);
LocalUnlock(handle);
}
template<class ValueType>
void ParseString(ttmath::Parser<ValueType> & matparser)
{
matparser.SetBase(base_input);
matparser.SetDegRadGrad(angle_deg_rad_grad);
matparser.SetFunctions(functions);
matparser.SetVariables(variables);
code = matparser.Parse(parse_string.c_str());
calculated = matparser.Calculated();
}
void SetParameters()
{
base_input = GetPrgRes()->GetBaseInput();
base_output = GetPrgRes()->GetBaseOutput();
always_scientific = GetPrgRes()->GetDisplayAlwaysScientific();
when_scientific = GetPrgRes()->GetDisplayWhenScientific();
rounding = GetPrgRes()->GetDisplayRounding();
precision = GetPrgRes()->GetPrecision();
remove_zeroes = GetPrgRes()->GetRemovingZeroes();
angle_deg_rad_grad = GetPrgRes()->GetDegRadGrad();
country = GetPrgRes()->GetLanguages()->GetCurrentLanguage();
if( GetPrgRes()->GetDecimalPoint() == 0 )
decimal_point = '.';
else
decimal_point = ',';
variables = GetPrgRes()->GetVariables();
functions = GetPrgRes()->GetFunctions();
}
void ParseString()
{
if( parse_string.empty() )
return;
SetParameters();
try
{
#ifndef TTCALC_PORTABLE
switch( precision )
{
case 0:
ParseString(parser1);
break;
case 1:
ParseString(parser2);
break;
default:
ParseString(parser3);
break;
}
#else
ParseString(parser1);
#endif
}
catch(...)
{
code = ttmath::err_internal_error;
}
if( code==ttmath::err_ok && calculated )
PutResult();
else
if( code==ttmath::err_overflow )
PutOverflowMsg();
}
LRESULT EditReturnPressed(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
DWORD sel_start, sel_end;
SendMessage(edit, EM_GETSEL, (WPARAM)&sel_start, (LPARAM)&sel_end);
// putting the ENTER
LRESULT res = CallWindowProc(old_edit_proc, hwnd, msg, wParam, lParam);
if( sel_start != sel_end )
// something was selected
return res;
GetParseString();
ParseString();
return res;
}
LRESULT EditSubclass(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch( msg )
{
case WM_CHAR:
if( wParam == VK_RETURN )
{
return EditReturnPressed(hwnd, msg, wParam, lParam);
}
break;
}
return CallWindowProc(old_edit_proc, hwnd, msg, wParam, lParam);
}
inline void SetMenuLanguageItem(HMENU menu, DWORD menu_id, Languages::GuiMsg msg)
{
Languages * pLang = GetPrgRes()->GetLanguages();
ModifyMenu(menu, menu_id, MF_BYCOMMAND|MF_STRING, menu_id, pLang->GuiMessage(msg) );
}
void SetPadMenuLanguage(HWND hWnd)
{
HMENU menu = GetMenu(hWnd);
if( !menu )
return;
MENUITEMINFO mi;
mi.cbSize = sizeof(mi);
mi.fMask = MIIM_TYPE;
mi.fType = MFT_STRING;
// on popup menus we're using indexes because they don't want to work correctly
// with the identifiers
mi.dwTypeData = const_cast<char*>( GetPrgRes()->GetLanguages()->GuiMessage(Languages::pad_menu_file) );
SetMenuItemInfo(menu, MENUPAD_FILE_INDEX, true, &mi);
mi.dwTypeData = const_cast<char*>( GetPrgRes()->GetLanguages()->GuiMessage(Languages::pad_menu_edit) );
SetMenuItemInfo(menu, MENUPAD_EDIT_INDEX, true, &mi);
SetMenuLanguageItem(menu, MENUPAD_FILE_OPEN, Languages::pad_menu_file_open);
SetMenuLanguageItem(menu, MENUPAD_FILE_SAVE, Languages::pad_menu_file_saveas);
SetMenuLanguageItem(menu, MENUPAD_FILE_CLOSE, Languages::pad_menu_file_close);
SetMenuLanguageItem(menu, MENUPAD_EDIT_UNDO, Languages::pad_menu_edit_undo);
SetMenuLanguageItem(menu, MENUPAD_EDIT_CUT, Languages::pad_menu_edit_cut);
SetMenuLanguageItem(menu, MENUPAD_EDIT_COPY, Languages::pad_menu_edit_copy);
SetMenuLanguageItem(menu, MENUPAD_EDIT_PASTE, Languages::pad_menu_edit_paste);
SetMenuLanguageItem(menu, MENUPAD_EDIT_DEL, Languages::pad_menu_edit_del);
SetMenuLanguageItem(menu, MENUPAD_EDIT_SELECTALL, Languages::pad_menu_edit_select_all);
DrawMenuBar(hWnd);
}
LRESULT PadCreate(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
edit = CreateWindow("edit", "",
WS_VISIBLE | WS_CHILD | WS_VSCROLL | ES_MULTILINE | ES_AUTOVSCROLL,
0, 0, 100, 100, hwnd, 0, GetPrgRes()->GetInstance(), 0);
if( !edit )
return 0;
GetPrgRes()->SetPadEdit(edit);
old_edit_proc = (WNDPROC)SetWindowLong(edit, GWL_WNDPROC, (LONG)EditSubclass);
// 65535 - 64KB
// we're using some kind of messages which operates only on 64KB
SendMessage(edit, EM_SETLIMITTEXT, 65535 - 5, 0);
if( font != 0 )
SendMessage(edit, WM_SETFONT, (WPARAM)font, 0);
SetPadLanguage();
return 0;
}
LRESULT PadMove(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
RECT r;
GetWindowRect(hwnd,&r);
GetPrgRes()->SetPadXPos( r.left );
GetPrgRes()->SetPadYPos( r.top );
return 0;
}
LRESULT PadSize(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
// client coordinates
int cx = LOWORD(lParam);
int cy = HIWORD(lParam);
int fwSizeType = int(wParam);
RECT r;
if( fwSizeType == SIZE_MAXIMIZED )
GetPrgRes()->SetPadMaximized(true);
else
if( fwSizeType == SIZE_RESTORED )
GetPrgRes()->SetPadMaximized(false);
MoveWindow(edit, 0, 0, cx, cy, true);
if( fwSizeType != SIZE_MINIMIZED && fwSizeType != SIZE_MAXIMIZED )
{
GetWindowRect(hwnd, &r);
GetPrgRes()->SetPadXSize( r.right - r.left );
GetPrgRes()->SetPadYSize( r.bottom - r.top );
}
return 0;
}
LRESULT PadClose(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
GetPrgRes()->ShowPad( false );
return 0;
}
LRESULT PadFocus(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
SetFocus(edit);
return 0;
}
bool OpenDialog(HWND hwnd)
{
OPENFILENAME o;
char buf[MAX_PATH];
buf[0] = 0;
o.lStructSize = sizeof(o);
o.hwndOwner = hwnd;
o.hInstance = GetPrgRes()->GetInstance();
o.lpstrFilter = "*.*\0*.*\0";
o.lpstrCustomFilter = 0;
o.nMaxCustFilter = 0;
o.nFilterIndex = 1;
o.lpstrFile = buf;
o.nMaxFile = MAX_PATH;
o.lpstrFileTitle = 0;
o.nMaxFileTitle = 0;
o.lpstrInitialDir = 0;
o.lpstrTitle = 0;
o.Flags = OFN_PATHMUSTEXIST;
o.nFileOffset = 0;
o.nFileExtension = 0;
o.lpstrDefExt = 0;
o.lCustData = 0;
o.lpfnHook = 0;
o.lpTemplateName = 0;
if( GetOpenFileName(&o) )
{
file_name = buf;
return true;
}
return false;
}
// testing files which have only one 10 at the end of a line (unix mode)
void CorrectUnixMode()
{
bool was_r = false;
for(size_t i=0 ; i<res.size() ; ++i)
{
if( res[i]==10 && !was_r )
{
res.insert(res.begin()+i, 13);
++i;
}
else
{
was_r = res[i] == 13;
}
}
}
void LoadFromFile(HWND hwnd, std::ifstream & file)
{
char buf[64];
std::streamsize size;
res.clear();
do
{
file.read(buf, sizeof(buf)-1);
size = file.gcount();
buf[size] = 0;
res += buf;
}
while( !file.eof() );
CorrectUnixMode();
SetWindowText(edit, res.c_str());
}
LRESULT PadOpen(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
if( !OpenDialog(hwnd) )
return 0;
std::ifstream file(file_name.c_str(), std::ios_base::in | std::ios_base::binary);
if( !file )
{
MessageBox(hwnd, "I cannot open the file", "TTcalc", MB_ICONERROR);
return 0;
}
file.seekg(0, std::ios::end);
std::ifstream::pos_type pos = file.tellg();
if( pos > 65530 )
{
MessageBox(hwnd, "The file is too long", "TTcalc", MB_ICONERROR);
return 0;
}
file.seekg(0);
LoadFromFile(hwnd, file);
file.close();
return 0;
}
bool SaveDialog(HWND hwnd)
{
OPENFILENAME o;
char buf[MAX_PATH];
sprintf(buf, "ttcalc.txt");
o.lStructSize = sizeof(o);
o.hwndOwner = hwnd;
o.hInstance = GetPrgRes()->GetInstance();
o.lpstrFilter = "*.*\0*.*\0";
o.lpstrCustomFilter = 0;
o.nMaxCustFilter = 0;
o.nFilterIndex = 1;
o.lpstrFile = buf;
o.nMaxFile = MAX_PATH;
o.lpstrFileTitle = 0;
o.nMaxFileTitle = 0;
o.lpstrInitialDir = 0;
o.lpstrTitle = 0;
o.Flags = OFN_OVERWRITEPROMPT | OFN_PATHMUSTEXIST;
o.nFileOffset = 0;
o.nFileExtension = 0;
o.lpstrDefExt = 0;
o.lCustData = 0;
o.lpfnHook = 0;
o.lpTemplateName = 0;
if( GetSaveFileName(&o) )
{
file_name = buf;
return true;
}
return false;
}
void SaveBuffer(HWND hwnd, const char * buf)
{
std::ofstream file(file_name.c_str(), std::ios_base::out | std::ios_base::binary);
if( !file )
{
MessageBox(hwnd, "I cannot open the file for saving", "TTCalc", MB_ICONERROR);
return;
}
for( ; *buf ; ++buf )
file.put(*buf);
file.close();
}
LRESULT PadSave(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
if( !SaveDialog(hwnd) )
return 0;
HLOCAL handle = (HLOCAL)SendMessage(edit, EM_GETHANDLE, 0, 0);
if( handle == 0 )
{
MessageBox(hwnd, "There was a problem with saving", "TTCalc", MB_ICONERROR);
return 0;
}
const char * buf = (const char*)LocalLock(handle);
if( buf )
SaveBuffer(hwnd, buf);
else
MessageBox(hwnd, "There was a problem with saving", "TTCalc", MB_ICONERROR);
LocalUnlock(handle);
return 0;
}
LRESULT PadNew(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
SetWindowText(edit, "");
return 0;
}
LRESULT PadUndo(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
SendMessage(edit, WM_UNDO, 0, 0);
return 0;
}
LRESULT PadCut(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
SendMessage(edit, WM_CUT, 0, 0);
return 0;
}
LRESULT PadCopy(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
SendMessage(edit, WM_COPY, 0, 0);
return 0;
}
LRESULT PadPaste(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
SendMessage(edit, WM_PASTE, 0, 0);
return 0;
}
LRESULT PadDel(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
SendMessage(edit, EM_REPLACESEL, true, (LPARAM)"");
return 0;
}
LRESULT PadSelectAll(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
SendMessage(edit, EM_SETSEL, 0, -1);
return 0;
}
void PadInitMenuEdit(HMENU menu)
{
DWORD sel_start, sel_end;
bool can_undo = SendMessage(edit, EM_CANUNDO, 0 ,0);
if( can_undo )
EnableMenuItem(menu,MENUPAD_EDIT_UNDO,MF_BYCOMMAND | MF_ENABLED);
else
EnableMenuItem(menu,MENUPAD_EDIT_UNDO,MF_BYCOMMAND | MF_GRAYED);
SendMessage(edit, EM_GETSEL, (WPARAM)&sel_start, (LPARAM)&sel_end);
if( sel_start == sel_end )
{
EnableMenuItem(menu,MENUPAD_EDIT_CUT, MF_BYCOMMAND | MF_GRAYED);
EnableMenuItem(menu,MENUPAD_EDIT_COPY,MF_BYCOMMAND | MF_GRAYED);
EnableMenuItem(menu,MENUPAD_EDIT_DEL, MF_BYCOMMAND | MF_GRAYED);
}
else
{
EnableMenuItem(menu,MENUPAD_EDIT_CUT, MF_BYCOMMAND | MF_ENABLED);
EnableMenuItem(menu,MENUPAD_EDIT_COPY,MF_BYCOMMAND | MF_ENABLED);
EnableMenuItem(menu,MENUPAD_EDIT_DEL, MF_BYCOMMAND | MF_ENABLED);
}
if( IsClipboardFormatAvailable(CF_TEXT) )
EnableMenuItem(menu,MENUPAD_EDIT_PASTE,MF_BYCOMMAND | MF_ENABLED);
else
EnableMenuItem(menu,MENUPAD_EDIT_PASTE,MF_BYCOMMAND | MF_GRAYED);
}
LRESULT PadInitMenuPopUp(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
HMENU menu = (HMENU) wParam;
int index = LOWORD(lParam);
if( index == MENUPAD_EDIT_INDEX )
PadInitMenuEdit(menu);
return 0;
}
void CreatePadCommandTable(Messages<LRESULT> & messages)
{
messages.Associate(MENUPAD_FILE_NEW, PadNew);
messages.Associate(MENUPAD_FILE_OPEN, PadOpen);
messages.Associate(MENUPAD_FILE_SAVE, PadSave);
messages.Associate(MENUPAD_FILE_CLOSE, PadClose);
messages.Associate(MENUPAD_EDIT_UNDO, PadUndo);
messages.Associate(MENUPAD_EDIT_CUT, PadCut);
messages.Associate(MENUPAD_EDIT_COPY, PadCopy);
messages.Associate(MENUPAD_EDIT_PASTE, PadPaste);
messages.Associate(MENUPAD_EDIT_DEL, PadDel);
messages.Associate(MENUPAD_EDIT_SELECTALL, PadSelectAll);
}
LRESULT PadCommand(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
static Messages<LRESULT> messages;
bool method_exists;
LRESULT res;
if( messages.Empty() )
// initiation
CreatePadCommandTable(messages);
res = messages.Call(LOWORD(wParam), hwnd, msg, wParam, lParam, &method_exists);
if( !method_exists )
return DefWindowProc(hwnd, msg, wParam, lParam);
return res;
}
void CreatePadMessagesTable(Messages<LRESULT> & messages)
{
messages.Associate(WM_CREATE, PadCreate);
messages.Associate(WM_MOVE, PadMove);
messages.Associate(WM_SIZE, PadSize);
messages.Associate(WM_CLOSE, PadClose);
messages.Associate(WM_SETFOCUS, PadFocus);
messages.Associate(WM_COMMAND, PadCommand);
messages.Associate(WM_INITMENUPOPUP, PadInitMenuPopUp);
}
LRESULT CALLBACK WindowPadProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
static Messages<LRESULT> messages;
bool method_exists;
LRESULT res;
if( messages.Empty() )
// initiation
CreatePadMessagesTable(messages);
res = messages.Call(msg, hwnd, msg, wParam, lParam, &method_exists);
if( !method_exists )
return DefWindowProc(hwnd, msg, wParam, lParam);
return res;
}
ATOM RegisterPadClass(const char * ttcalc_pad_class_name)
{
WNDCLASS w;
w.style = 0;
w.lpfnWndProc = WindowPadProc;
w.cbClsExtra = 0;
w.cbWndExtra = 0;
w.hInstance = GetPrgRes()->GetInstance();
w.hIcon = LoadIcon(GetPrgRes()->GetInstance(), MAKEINTRESOURCE(IDI_ICON2));
w.hCursor = 0;
w.hbrBackground = (HBRUSH)(COLOR_BACKGROUND+1);
w.lpszMenuName = MAKEINTRESOURCE(IDR_MENU2);
w.lpszClassName = ttcalc_pad_class_name;
return RegisterClass(&w);
}
} // namespace Pad
bool CreatePadWindow()
{
using namespace Pad;
static char ttcalc_pad_class_name[] = "TTCalcPadWindow";
ATOM a = RegisterPadClass(ttcalc_pad_class_name);
if( a == 0 )
return false;
bool pad_maximized_from_file = GetPrgRes()->GetPadMaximized();
// CreateWindow() would change maximizing
Languages * pl = GetPrgRes()->GetLanguages();
font = CreateFont(0, 0, 0, 0, FW_NORMAL, false, false, false,
ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, DEFAULT_PITCH, "Ms Shell Dlg");
HWND pad = CreateWindowEx(WS_EX_CLIENTEDGE, ttcalc_pad_class_name,
pl->GuiMessage(Languages::pad_title),
WS_OVERLAPPEDWINDOW | WS_POPUPWINDOW ,
GetPrgRes()->GetPadXPos(), GetPrgRes()->GetPadYPos(),
GetPrgRes()->GetPadXSize(), GetPrgRes()->GetPadYSize(),
0 /*GetPrgRes()->GetMainWindow()*/, 0, GetPrgRes()->GetInstance(), 0);
GetPrgRes()->SetPadWindow(pad);
GetPrgRes()->SetPadMaximized( pad_maximized_from_file );
GetPrgRes()->ShowPad( GetPrgRes()->IsPadVisible() );
return pad!=0 && edit!=0;
}
void DestroyPadWindow()
{
using namespace Pad;
DeleteObject(font);
}
void SetPadLanguage()
{
using namespace Pad;
HWND pad = GetPrgRes()->GetPadWindow();
Languages * pl = GetPrgRes()->GetLanguages();
SetPadMenuLanguage(pad);
SetWindowText(pad, pl->GuiMessage(Languages::pad_title));
}
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