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other-licenses/7zstub/src/Windows/Window.cpp@97036ab72558 (annotated)

other-licenses/7zstub/src/Windows/Window.cpp

Tue, 06 Jan 2015 21:39:09 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Tue, 06 Jan 2015 21:39:09 +0100

branch

TOR_BUG_9701

changeset 8

97036ab72558

permissions

-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0	1	// Windows/Window.cpp
michael@0	2
michael@0	3	#include "StdAfx.h"
michael@0	4
michael@0	5	#ifndef _UNICODE
michael@0	6	#include "Common/StringConvert.h"
michael@0	7	#endif
michael@0	8	#include "Windows/Window.h"
michael@0	9
michael@0	10	#ifndef _UNICODE
michael@0	11	extern bool g_IsNT;
michael@0	12	#endif
michael@0	13
michael@0	14	namespace NWindows {
michael@0	15
michael@0	16	#ifndef _UNICODE
michael@0	17	ATOM MyRegisterClass(CONST WNDCLASSW *wndClass)
michael@0	18	{
michael@0	19	if (g_IsNT)
michael@0	20	return RegisterClassW(wndClass);
michael@0	21	WNDCLASSA wndClassA;
michael@0	22	wndClassA.style = wndClass->style;
michael@0	23	wndClassA.lpfnWndProc = wndClass->lpfnWndProc;
michael@0	24	wndClassA.cbClsExtra = wndClass->cbClsExtra;
michael@0	25	wndClassA.cbWndExtra = wndClass->cbWndExtra;
michael@0	26	wndClassA.hInstance = wndClass->hInstance;
michael@0	27	wndClassA.hIcon = wndClass->hIcon;
michael@0	28	wndClassA.hCursor = wndClass->hCursor;
michael@0	29	wndClassA.hbrBackground = wndClass->hbrBackground;
michael@0	30	AString menuName;
michael@0	31	AString className;
michael@0	32	if (IS_INTRESOURCE(wndClass->lpszMenuName))
michael@0	33	wndClassA.lpszMenuName = (LPCSTR)wndClass->lpszMenuName;
michael@0	34	else
michael@0	35	{
michael@0	36	menuName = GetSystemString(wndClass->lpszMenuName);
michael@0	37	wndClassA.lpszMenuName = menuName;
michael@0	38	}
michael@0	39	if (IS_INTRESOURCE(wndClass->lpszClassName))
michael@0	40	wndClassA.lpszClassName = (LPCSTR)wndClass->lpszClassName;
michael@0	41	else
michael@0	42	{
michael@0	43	className = GetSystemString(wndClass->lpszClassName);
michael@0	44	wndClassA.lpszClassName = className;
michael@0	45	}
michael@0	46	return RegisterClassA(&wndClassA);
michael@0	47	}
michael@0	48
michael@0	49	bool CWindow::Create(LPCWSTR className,
michael@0	50	LPCWSTR windowName, DWORD style,
michael@0	51	int x, int y, int width, int height,
michael@0	52	HWND parentWindow, HMENU idOrHMenu,
michael@0	53	HINSTANCE instance, LPVOID createParam)
michael@0	54	{
michael@0	55	if (g_IsNT)
michael@0	56	{
michael@0	57	_window = ::CreateWindowW(className, windowName,
michael@0	58	style, x, y, width, height, parentWindow,
michael@0	59	idOrHMenu, instance, createParam);
michael@0	60	return (_window != NULL);
michael@0	61	}
michael@0	62	return Create(GetSystemString(className), GetSystemString(windowName),
michael@0	63	style, x, y, width, height, parentWindow,
michael@0	64	idOrHMenu, instance, createParam);
michael@0	65	}
michael@0	66
michael@0	67	bool CWindow::CreateEx(DWORD exStyle, LPCWSTR className,
michael@0	68	LPCWSTR windowName, DWORD style,
michael@0	69	int x, int y, int width, int height,
michael@0	70	HWND parentWindow, HMENU idOrHMenu,
michael@0	71	HINSTANCE instance, LPVOID createParam)
michael@0	72	{
michael@0	73	if (g_IsNT)
michael@0	74	{
michael@0	75	_window = ::CreateWindowExW(exStyle, className, windowName,
michael@0	76	style, x, y, width, height, parentWindow,
michael@0	77	idOrHMenu, instance, createParam);
michael@0	78	return (_window != NULL);
michael@0	79	}
michael@0	80	AString classNameA;
michael@0	81	LPCSTR classNameP;
michael@0	82	if (IS_INTRESOURCE(className))
michael@0	83	classNameP = (LPCSTR)className;
michael@0	84	else
michael@0	85	{
michael@0	86	classNameA = GetSystemString(className);
michael@0	87	classNameP = classNameA;
michael@0	88	}
michael@0	89	AString windowNameA;
michael@0	90	LPCSTR windowNameP;
michael@0	91	if (IS_INTRESOURCE(windowName))
michael@0	92	windowNameP = (LPCSTR)windowName;
michael@0	93	else
michael@0	94	{
michael@0	95	windowNameA = GetSystemString(windowName);
michael@0	96	windowNameP = windowNameA;
michael@0	97	}
michael@0	98	return CreateEx(exStyle, classNameP, windowNameP,
michael@0	99	style, x, y, width, height, parentWindow,
michael@0	100	idOrHMenu, instance, createParam);
michael@0	101	}
michael@0	102
michael@0	103	#endif
michael@0	104
michael@0	105	#ifndef _UNICODE
michael@0	106	bool MySetWindowText(HWND wnd, LPCWSTR s)
michael@0	107	{
michael@0	108	if (g_IsNT)
michael@0	109	return BOOLToBool(::SetWindowTextW(wnd, s));
michael@0	110	return BOOLToBool(::SetWindowTextA(wnd, UnicodeStringToMultiByte(s)));
michael@0	111	}
michael@0	112	#endif
michael@0	113
michael@0	114	bool CWindow::GetText(CSysString &s)
michael@0	115	{
michael@0	116	s.Empty();
michael@0	117	int length = GetTextLength();
michael@0	118	if (length == 0)
michael@0	119	return (::GetLastError() == ERROR_SUCCESS);
michael@0	120	length = GetText(s.GetBuffer(length), length + 1);
michael@0	121	s.ReleaseBuffer();
michael@0	122	if (length == 0)
michael@0	123	return (::GetLastError() != ERROR_SUCCESS);
michael@0	124	return true;
michael@0	125	}
michael@0	126
michael@0	127	#ifndef _UNICODE
michael@0	128	bool CWindow::GetText(UString &s)
michael@0	129	{
michael@0	130	if (g_IsNT)
michael@0	131	{
michael@0	132	s.Empty();
michael@0	133	int length = GetWindowTextLengthW(_window);
michael@0	134	if (length == 0)
michael@0	135	return (::GetLastError() == ERROR_SUCCESS);
michael@0	136	length = GetWindowTextW(_window, s.GetBuffer(length), length + 1);
michael@0	137	s.ReleaseBuffer();
michael@0	138	if (length == 0)
michael@0	139	return (::GetLastError() == ERROR_SUCCESS);
michael@0	140	return true;
michael@0	141	}
michael@0	142	CSysString sysString;
michael@0	143	bool result = GetText(sysString);
michael@0	144	s = GetUnicodeString(sysString);
michael@0	145	return result;
michael@0	146	}
michael@0	147	#endif
michael@0	148
michael@0	149
michael@0	150	/*
michael@0	151	bool CWindow::ModifyStyleBase(int styleOffset,
michael@0	152	DWORD remove, DWORD add, UINT flags)
michael@0	153	{
michael@0	154	DWORD style = GetWindowLong(styleOffset);
michael@0	155	DWORD newStyle = (style & ~remove) | add;
michael@0	156	if (style == newStyle)
michael@0	157	return false; // it is not good
michael@0	158
michael@0	159	SetWindowLong(styleOffset, newStyle);
michael@0	160	if (flags != 0)
michael@0	161	{
michael@0	162	::SetWindowPos(_window, NULL, 0, 0, 0, 0,
michael@0	163	SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | flags);
michael@0	164	}
michael@0	165	return TRUE;
michael@0	166	}
michael@0	167	*/
michael@0	168
michael@0	169	}