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Branch for port to 64-bit Windows.

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+COPYRIGHT
+---------
+
+Copyright (C) 1995-2009 Contributors
+
+More detailed copyright information can be found in the individual source code files.
+
+APPLICABLE LICENSES
+-------------------
+
+* All NSIS source code, plug-ins, documentation, examples, header files and graphics, with the exception of the compression modules and where otherwise noted, are licensed under the zlib/libpng license.
+
+* The zlib compression module for NSIS is licensed under the zlib/libpng license.
+
+* The bzip2 compression module for NSIS is licensed under the bzip2 license.
+
+* The LZMA compression module for NSIS is licensed under the Common Public License version 1.0.
+
+ZLIB/LIBPNG LICENSE
+-------------------
+
+This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:
+
+      1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
+
+      2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
+
+      3. This notice may not be removed or altered from any source distribution.
+
+BZIP2 LICENSE
+-------------
+
+This program, "bzip2" and associated library "libbzip2", are copyright (C) 1996-2000 Julian R Seward. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+      1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+    
+      2. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
+
+      3. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
+
+      4. The name of the author may not be used to endorse or promote products derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+
+Julian Seward, Cambridge, UK.
+
+jseward@acm.org
+
+COMMON PUBLIC LICENSE VERSION 1.0
+---------------------------------
+
+THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS COMMON PUBLIC LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
+
+1. DEFINITIONS
+
+"Contribution" means:
+
+      a) in the case of the initial Contributor, the initial code and documentation distributed under this Agreement, and
+      b) in the case of each subsequent Contributor:
+
+      i) changes to the Program, and
+
+      ii) additions to the Program;
+
+      where such changes and/or additions to the Program originate from and are distributed by that particular Contributor. A Contribution 'originates' from a Contributor if it was added to the Program by such Contributor itself or anyone acting on such Contributor's behalf. Contributions do not include additions to the Program which: (i) are separate modules of software distributed in conjunction with the Program under their own license agreement, and (ii) are not derivative works of the Program. 
+
+"Contributor" means any person or entity that distributes the Program.
+
+"Licensed Patents " mean patent claims licensable by a Contributor which are necessarily infringed by the use or sale of its Contribution alone or when combined with the Program.
+
+"Program" means the Contributions distributed in accordance with this Agreement.
+
+"Recipient" means anyone who receives the Program under this Agreement, including all Contributors.
+
+2. GRANT OF RIGHTS
+
+      a) Subject to the terms of this Agreement, each Contributor hereby grants Recipient a non-exclusive, worldwide, royalty-free copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, distribute and sublicense the Contribution of such Contributor, if any, and such derivative works, in source code and object code form.
+
+      b) Subject to the terms of this Agreement, each Contributor hereby grants Recipient a non-exclusive, worldwide, royalty-free patent license under Licensed Patents to make, use, sell, offer to sell, import and otherwise transfer the Contribution of such Contributor, if any, in source code and object code form. This patent license shall apply to the combination of the Contribution and the Program if, at the time the Contribution is added by the Contributor, such addition of the Contribution causes such combination to be covered by the Licensed Patents. The patent license shall not apply to any other combinations which include the Contribution. No hardware per se is licensed hereunder. 
+
+      c) Recipient understands that although each Contributor grants the licenses to its Contributions set forth herein, no assurances are provided by any Contributor that the Program does not infringe the patent or other intellectual property rights of any other entity. Each Contributor disclaims any liability to Recipient for claims brought by any other entity based on infringement of intellectual property rights or otherwise. As a condition to exercising the rights and licenses granted hereunder, each Recipient hereby assumes sole responsibility to secure any other intellectual property rights needed, if any. For example, if a third party patent license is required to allow Recipient to distribute the Program, it is Recipient's responsibility to acquire that license before distributing the Program.
+
+      d) Each Contributor represents that to its knowledge it has sufficient copyright rights in its Contribution, if any, to grant the copyright license set forth in this Agreement. 
+
+3. REQUIREMENTS
+
+A Contributor may choose to distribute the Program in object code form under its own license agreement, provided that:
+
+      a) it complies with the terms and conditions of this Agreement; and
+
+      b) its license agreement:
+
+      i) effectively disclaims on behalf of all Contributors all warranties and conditions, express and implied, including warranties or conditions of title and non-infringement, and implied warranties or conditions of merchantability and fitness for a particular purpose; 
+
+      ii) effectively excludes on behalf of all Contributors all liability for damages, including direct, indirect, special, incidental and consequential damages, such as lost profits; 
+
+      iii) states that any provisions which differ from this Agreement are offered by that Contributor alone and not by any other party; and
+
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+
+When the Program is made available in source code form:
+
+      a) it must be made available under this Agreement; and 
+
+      b) a copy of this Agreement must be included with each copy of the Program. 
+
+Contributors may not remove or alter any copyright notices contained within the Program.
+
+Each Contributor must identify itself as the originator of its Contribution, if any, in a manner that reasonably allows subsequent Recipients to identify the originator of the Contribution.
+
+4. COMMERCIAL DISTRIBUTION
+
+Commercial distributors of software may accept certain responsibilities with respect to end users, business partners and the like. While this license is intended to facilitate the commercial use of the Program, the Contributor who includes the Program in a commercial product offering should do so in a manner which does not create potential liability for other Contributors. Therefore, if a Contributor includes the Program in a commercial product offering, such Contributor ("Commercial Contributor") hereby agrees to defend and indemnify every other Contributor ("Indemnified Contributor") against any losses, damages and costs (collectively "Losses") arising from claims, lawsuits and other legal actions brought by a third party against the Indemnified Contributor to the extent caused by the acts or omissions of such Commercial Contributor in connection with its distribution of the Program in a commercial product offering. The obligations in this section do not apply to any claims or Losses relating to any actual or alleged intellectual property infringement. In order to qualify, an Indemnified Contributor must: a) promptly notify the Commercial Contributor in writing of such claim, and b) allow the Commercial Contributor to control, and cooperate with the Commercial Contributor in, the defense and any related settlement negotiations. The Indemnified Contributor may participate in any such claim at its own expense.
+
+For example, a Contributor might include the Program in a commercial product offering, Product X. That Contributor is then a Commercial Contributor. If that Commercial Contributor then makes performance claims, or offers warranties related to Product X, those performance claims and warranties are such Commercial Contributor's responsibility alone. Under this section, the Commercial Contributor would have to defend claims against the other Contributors related to those performance claims and warranties, and if a court requires any other Contributor to pay any damages as a result, the Commercial Contributor must pay those damages.
+
+5. NO WARRANTY
+
+EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is solely responsible for determining the appropriateness of using and distributing the Program and assumes all risks associated with its exercise of rights under this Agreement, including but not limited to the risks and costs of program errors, compliance with applicable laws, damage to or loss of data, programs or equipment, and unavailability or interruption of operations.
+
+6. DISCLAIMER OF LIABILITY
+
+EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), 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 OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+7. GENERAL
+
+If any provision of this Agreement is invalid or unenforceable under applicable law, it shall not affect the validity or enforceability of the remainder of the terms of this Agreement, and without further action by the parties hereto, such provision shall be reformed to the minimum extent necessary to make such provision valid and enforceable.
+
+If Recipient institutes patent litigation against a Contributor with respect to a patent applicable to software (including a cross-claim or counterclaim in a lawsuit), then any patent licenses granted by that Contributor to such Recipient under this Agreement shall terminate as of the date such litigation is filed. In addition, if Recipient institutes patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Program itself (excluding combinations of the Program with other software or hardware) infringes such Recipient's patent(s), then such Recipient's rights granted under Section 2(b) shall terminate as of the date such litigation is filed.
+
+All Recipient's rights under this Agreement shall terminate if it fails to comply with any of the material terms or conditions of this Agreement and does not cure such failure in a reasonable period of time after becoming aware of such noncompliance. If all Recipient's rights under this Agreement terminate, Recipient agrees to cease use and distribution of the Program as soon as reasonably practicable. However, Recipient's obligations under this Agreement and any licenses granted by Recipient relating to the Program shall continue and survive.
+
+Everyone is permitted to copy and distribute copies of this Agreement, but in order to avoid inconsistency the Agreement is copyrighted and may only be modified in the following manner. The Agreement Steward reserves the right to publish new versions (including revisions) of this Agreement from time to time. No one other than the Agreement Steward has the right to modify this Agreement. IBM is the initial Agreement Steward. IBM may assign the responsibility to serve as the Agreement Steward to a suitable separate entity. Each new version of the Agreement will be given a distinguishing version number. The Program (including Contributions) may always be distributed subject to the version of the Agreement under which it was received. In addition, after a new version of the Agreement is published, Contributor may elect to distribute the Program (including its Contributions) under the new version. Except as expressly stated in Sections 2(a) and 2(b) above, Recipient receives no rights or licenses to the intellectual property of any Contributor under this Agreement, whether expressly, by implication, estoppel or otherwise. All rights in the Program not expressly granted under this Agreement are reserved.
+
+This Agreement is governed by the laws of the State of New York and the intellectual property laws of the United States of America. No party to this Agreement will bring a legal action under this Agreement more than one year after the cause of action arose. Each party waives its rights to a jury trial in any resulting litigation. 
+
+SPECIAL EXCEPTION FOR LZMA COMPRESSION MODULE
+---------------------------------------------
+
+Igor Pavlov and Amir Szekely, the authors of the LZMA compression module for NSIS, expressly permit you to statically or dynamically link your code (or bind by name) to the files from the LZMA compression module for NSIS without subjecting your linked code to the terms of the Common Public license version 1.0. Any modifications or additions to files from the LZMA compression module for NSIS, however, are subject to the terms of the Common Public License version 1.0.

Contrib/AdvSplash/Example.nsi

+Name "AdvSplash.dll test"
+
+OutFile "AdvSplash Test.exe"
+
+XPStyle on
+
+Function .onInit
+        # the plugins dir is automatically deleted when the installer exits
+        InitPluginsDir
+        File /oname=$PLUGINSDIR\splash.bmp "${NSISDIR}\Contrib\Graphics\Header\nsis.bmp"
+        #optional
+        #File /oname=$PLUGINSDIR\splash.wav "C:\myprog\sound.wav"
+
+        MessageBox MB_OK "Fading"
+
+        advsplash::show 1000 600 400 -1 $PLUGINSDIR\splash
+
+        Pop $0          ; $0 has '1' if the user closed the splash screen early,
+                        ; '0' if everything closed normally, and '-1' if some error occurred.
+
+        MessageBox MB_OK "Transparency"
+        File /oname=$PLUGINSDIR\splash.bmp "${NSISDIR}\Contrib\Graphics\Wizard\orange-uninstall.bmp"
+        advsplash::show 2000 0 0 0x1856B1 $PLUGINSDIR\splash
+        Pop $0 
+
+        MessageBox MB_OK "Transparency/Fading"
+        File /oname=$PLUGINSDIR\splash.bmp "${NSISDIR}\Contrib\Graphics\Wizard\llama.bmp"
+        advsplash::show 1000 600 400 0x04025C $PLUGINSDIR\splash
+        Pop $0 
+
+        Delete $PLUGINSDIR\splash.bmp
+FunctionEnd
+
+Section
+SectionEnd

Contrib/AdvSplash/SConscript

+target = 'AdvSplash'
+
+files = Split("""
+	advsplash.c
+""")
+
+libs = Split("""
+	kernel32
+	user32
+	gdi32
+	winmm
+""")
+
+examples = Split("""
+	Example.nsi
+""")
+
+docs = Split("""
+	advsplash.txt
+""")
+
+Import('BuildPlugin')
+
+BuildPlugin(target, files, libs, examples, docs)

Contrib/AdvSplash/advsplash.c

+// Unicode support by Jim Park -- 08/22/2007
+// For layered windows
+#define _WIN32_WINNT 0x0500
+
+#include <windows.h>
+#include <windowsx.h>
+#include <nsis/pluginapi.h> // nsis plugin
+
+HINSTANCE g_hInstance;
+
+#define RESOLUTION 32 // 30 fps ;) (32? I like SHR more than iDIV ;)
+
+BITMAP bm;
+HBITMAP g_hbm;
+int g_rv;
+int resolution;
+int sleep_val, fadein_val, fadeout_val, state, timeleft, keycolor, nt50,
+    alphaparam;
+const TCHAR classname[4] = _T("_sp");
+
+typedef BOOL(_stdcall * _tSetLayeredWindowAttributesProc) (HWND hwnd,      // handle to the layered window
+                                                           COLORREF crKey, // specifies the color key
+                                                           BYTE bAlpha,    // value for the blend function
+                                                           DWORD dwFlags   // action
+    );
+_tSetLayeredWindowAttributesProc SetLayeredWindowAttributesProc;
+
+static LRESULT CALLBACK WndProc(HWND hwnd, UINT uMsg, WPARAM wParam,
+                                LPARAM lParam)
+{
+  PAINTSTRUCT ps;
+  RECT r;
+  HDC curdc = NULL;
+  HDC hdc;
+  HBITMAP oldbm;
+
+  switch (uMsg) {
+  case WM_CREATE:
+    SystemParametersInfo(SPI_GETWORKAREA, 0, &r, 0);
+    SetWindowLongPtr(hwnd, GWL_STYLE, 0);
+    SetWindowPos(hwnd, NULL,
+                 r.left + (r.right - r.left - bm.bmWidth) / 2,
+                 r.top + (r.bottom - r.top - bm.bmHeight) / 2,
+                 bm.bmWidth, bm.bmHeight, SWP_NOZORDER | SWP_SHOWWINDOW);
+    return 0;
+
+  case WM_PAINT:
+    curdc = BeginPaint(hwnd, &ps);
+    hdc = CreateCompatibleDC(curdc);
+    GetClientRect(hwnd, &r);
+
+    oldbm = SelectObject(hdc, g_hbm);
+    BitBlt(curdc, r.left, r.top, r.right - r.left, r.bottom - r.top, hdc,
+           0, 0, SRCCOPY);
+
+    SelectObject(hdc, oldbm);
+    DeleteDC(hdc);
+    EndPaint(hwnd, &ps);
+
+  case WM_CLOSE:
+    return 0;
+
+  case WM_TIMER:
+  case WM_LBUTTONDOWN:
+    g_rv = (uMsg == WM_LBUTTONDOWN);
+    DestroyWindow(hwnd);
+    break;
+  }
+  return DefWindowProc(hwnd, uMsg, wParam, lParam);
+}
+
+void SetTransparentRegion(HWND myWnd)
+{
+  HDC dc;
+  int x, y;
+  HRGN region, cutrgn;
+  BITMAPINFO bmi;
+  int size = bm.bmWidth * bm.bmHeight * 4;
+  int *bmp = GlobalAlloc(GPTR, size);
+  int *bmp_orig = bmp;
+  bmi.bmiHeader.biBitCount = 32;
+  bmi.bmiHeader.biCompression = BI_RGB;
+  bmi.bmiHeader.biHeight = bm.bmHeight;
+  bmi.bmiHeader.biPlanes = 1;
+  bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+  bmi.bmiHeader.biWidth = bm.bmWidth;
+  bmi.bmiHeader.biClrUsed = 0;
+  bmi.bmiHeader.biClrImportant = 0;
+
+  dc = CreateCompatibleDC(NULL);
+  SelectObject(dc, g_hbm);
+
+  x = GetDIBits(dc, g_hbm, 0, bm.bmHeight, bmp, &bmi, DIB_RGB_COLORS);
+
+  region = CreateRectRgn(0, 0, bm.bmWidth, bm.bmHeight);
+
+  // Search for transparent pixels 
+  for (y = bm.bmHeight - 1; y >= 0; y--) {
+    for (x = 0; x < bm.bmWidth;) {
+      if ((*bmp & 0xFFFFFF) == keycolor) {
+        int j = x;
+        while ((x < bm.bmWidth) && ((*bmp & 0xFFFFFF) == keycolor)) {
+          bmp++, x++;
+        }
+
+        // Cut transparent pixels from the original region
+        cutrgn = CreateRectRgn(j, y, x, y + 1);
+        CombineRgn(region, region, cutrgn, RGN_XOR);
+        DeleteObject(cutrgn);
+      } else {
+        bmp++, x++;
+      }
+    }
+  }
+
+  // Set resulting region.
+  SetWindowRgn(myWnd, region, TRUE);
+  DeleteObject(region);
+  DeleteObject(dc);
+  GlobalFree(bmp_orig);
+}
+
+BOOL WINAPI DllMain(HANDLE hInst, ULONG ul_reason_for_call,
+                    LPVOID lpReserved)
+{
+  g_hInstance = hInst;
+  return TRUE;
+}
+
+void CALLBACK TimeProc(UINT uID,
+                       UINT uMsg, DWORD dwUser, DWORD dw1, DWORD dw2)
+{
+  int call = -1;
+  switch (state) {
+    // FadeIN
+  case 0:
+    if (timeleft == 0) {
+      timeleft = sleep_val;
+      state++;
+      if (nt50)
+        call = 255;
+    } else {
+      call = ((fadein_val - timeleft) * 255) / fadein_val;
+      break;
+    }
+    // Sleep
+  case 1:
+    if (timeleft == 0) {
+      timeleft = fadeout_val;
+      state++;
+      // fadeout
+    } else
+      break;
+    // FadeOUT
+  case 2:
+    if (timeleft == 0) {
+      PostMessage((HWND) dwUser, WM_TIMER, 0, 0);
+      return;
+    } else {
+      call = ((timeleft) * 255) / fadeout_val;
+      break;
+    }
+  }
+  // Transparency value aquired, and could be set...
+  if ((call >= 0) && nt50)
+    SetLayeredWindowAttributesProc((HWND) dwUser, keycolor,
+                                   (BYTE) call, alphaparam);
+
+  // Time is running out...
+  timeleft--;
+}
+
+void __declspec(dllexport) show(HWND hwndParent, int string_size,
+                                TCHAR *variables, stack_t ** stacktop)
+{
+  DEVMODE dm;
+  TCHAR fn[MAX_PATH];
+  TCHAR temp[64];
+
+  g_rv = -1;
+  resolution = RESOLUTION;
+
+  EXDLL_INIT();
+
+  popstring(temp);
+  sleep_val = myatoi(temp);
+  popstring(temp);
+  fadein_val = myatoi(temp);
+  popstring(temp);
+  fadeout_val = myatoi(temp);
+  popstring(temp);
+  keycolor = myatoi(temp);
+  popstring(fn);
+
+  dm.dmSize = sizeof(DEVMODE);
+  EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dm);
+  // Check for winXP/2k at 32 bpp transparency
+  nt50 = (LOBYTE(LOWORD(GetVersion())) >= 5) && !((dm.dmBitsPerPel < 32)
+                                                  && (keycolor != -1));
+  if (!nt50) {
+    // Fading+transparency is unsupported at old windows versions...
+    resolution = sleep_val + fadein_val + fadeout_val;
+    fadeout_val = fadein_val = 0;
+    sleep_val = 1;
+    state = 1; // skip fade in
+  } else {
+    // div them by resolution
+    sleep_val >>= 5;
+    fadein_val >>= 5;
+    fadeout_val >>= 5;
+    state = 0;
+
+    alphaparam = LWA_ALPHA | ((keycolor == -1) ? (0) : (LWA_COLORKEY));
+    keycolor =
+        ((keycolor & 0xFF) << 16) + (keycolor & 0xFF00) +
+        ((keycolor & 0xFF0000) >> 16);
+  }
+
+  if (fn[0] && ((sleep_val + fadein_val + fadeout_val) > 0)) {
+    MSG msg;
+    static WNDCLASS wc;
+    wc.lpfnWndProc = WndProc;
+    wc.hInstance = g_hInstance;
+    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
+    wc.lpszClassName = classname;
+    if (RegisterClass(&wc)) {
+      TCHAR fn2[MAX_PATH];
+      lstrcpy(fn2, fn);
+      lstrcat(fn, _T(".bmp"));
+      lstrcat(fn2, _T(".wav"));
+      g_hbm =
+          LoadImage(NULL, fn, IMAGE_BITMAP, 0, 0,
+                    LR_CREATEDIBSECTION | LR_LOADFROMFILE);
+      if (g_hbm) {
+        HWND myWnd;
+        UINT timerEvent;
+
+        // Get Bitmap Information
+        GetObject(g_hbm, sizeof(bm), & bm);
+
+        myWnd =
+            CreateWindowEx(WS_EX_TOOLWINDOW |
+                           ((nt50) ? (WS_EX_LAYERED) : (0)), classname,
+                           classname, 0, 0, 0, 0, 0, (HWND) hwndParent,
+                           NULL, g_hInstance, NULL);
+
+        // Set transparency / key color
+        if (nt50) {
+          // Get blending proc address
+          HANDLE user32 = GetModuleHandle(_T("user32"));
+          SetLayeredWindowAttributesProc =
+              (_tSetLayeredWindowAttributesProc) GetProcAddress(user32,
+                                                                "SetLayeredWindowAttributes");
+          // Use win2k method
+          SetLayeredWindowAttributesProc(myWnd, keycolor,
+                                         (BYTE) ((fadein_val > 0) ? (0) : (255)),
+                                         alphaparam);
+        } else if (keycolor != -1) {
+          // transparency mode                                
+          SetTransparentRegion(myWnd);
+        }
+
+        PlaySound(fn2, NULL, SND_ASYNC | SND_FILENAME | SND_NODEFAULT);
+
+        // Start up timer...
+        timeleft = fadein_val;
+        timerEvent =
+            timeSetEvent(resolution, RESOLUTION / 4, TimeProc,
+                         (DWORD_PTR) myWnd, TIME_PERIODIC);
+
+        while (IsWindow(myWnd) && GetMessage(&msg, myWnd, 0, 0)) {
+          DispatchMessage(&msg);
+        }
+
+        // Kill the timer...
+        timeKillEvent(timerEvent);
+
+        // Stop currently playing wave, we want to exit
+        PlaySound(0, 0, 0);
+
+        DeleteObject(g_hbm);
+      }
+      // We should UnRegister class, since Windows NT series never does this by itself
+      UnregisterClass(wc.lpszClassName, g_hInstance);
+    }
+  }
+  wsprintf(temp, _T("%d"), g_rv);
+  pushstring(temp);
+}

Contrib/AdvSplash/advsplash.txt

+AdvSplash.dll - small (5.5k), simple plugin that lets you throw 
+up a splash screen in NSIS installers with cool fading effects (win2k/xp)
+and transparency.
+
+To use:
+
+Create a .BMP file of your splash screen.
+(optional) Create a .WAV file to play while your splash screen shows.
+
+Add the following lines to your .NSI file:
+
+Function .onInit
+  SetOutPath $TEMP
+  File /oname=spltmp.bmp "my_splash.bmp"
+
+; optional
+; File /oname=spltmp.wav "my_splashshit.wav"
+
+  advsplash::show 1000 600 400 -1 $TEMP\spltmp
+
+  Pop $0 ; $0 has '1' if the user closed the splash screen early,
+         ; '0' if everything closed normally, and '-1' if some error occurred.
+
+  Delete $TEMP\spltmp.bmp
+;  Delete $TEMP\spltmp.wav
+FunctionEnd
+
+Calling format
+        advsplash::show Delay FadeIn FadeOut KeyColor FileName
+
+Delay - length to show the screen for (in milliseconds)
+FadeIn - length to show the fadein scene (in ms) (not included in Delay)
+FadeOut - length to show the fadeout scene (in ms) (not included in Delay)
+KeyColor - color used for transparency, could be any RGB value 
+        (for ex. R=255 G=100 B=16 -> KeyColor=0xFF6410), 
+        use KeyColor=-1 if there is no transparent color at your image.
+FileName - splash bitmap filename (without the .bmp). The BMP file used will be 
+        this parameter.bmp, and the wave file used (if present) will be this 
+        parameter.wav.
+
+(If you already have an .onInit function, put that in it)
+
+Note 1: fadein/fadeout supported only on win2k/winxp systems, all other systems
+will show simple splash screen with Delay = Delay + FadeIn + FadeOut. Also, I've
+noted my winXP uses no transparent color at 16 bpp, so at bpps lower than 32
+for images with transparent color no fading effect will occur.
+
+Note 2: the return value of splash is 1 if the user closed the splash 
+screen early (pop it from the stack)
+
+-Justin
+Converted to a plugin DLL by Amir Szekely (kichik)
+Fading and transparency by Nik Medved (brainsucker)

Contrib/Banner/Banner.c

+#include <windows.h>
+#include <nsis/pluginapi.h> // nsis plugin
+#include "../../Source/exehead/resource.h"
+
+// Unicode support added by Jim Park -- 08/02/2007
+
+HINSTANCE hInstance;
+HWND hwBanner;
+HANDLE hThread;
+BOOL bFailed;
+
+TCHAR buf[1024];
+
+BOOL CALLBACK BannerProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+  if (uMsg == WM_INITDIALOG)
+  {
+    int iMainStringSet = 0;
+
+    popstring(buf);
+    while (lstrcmp(buf, _T("/set")) == 0)
+    {
+      unsigned int id;
+      popstring(buf);
+      id = myatou(buf);
+      popstring(buf);
+      SetDlgItemText(hwndDlg, id, buf);
+      popstring(buf);
+
+      if (id == IDC_STR)
+        iMainStringSet++;
+    }
+
+    SetWindowText(hwndDlg, buf);
+    if (!iMainStringSet)
+      SetDlgItemText(hwndDlg, IDC_STR, buf);
+
+    if (!*buf)
+      SetWindowLongPtr(hwndDlg, GWL_EXSTYLE, GetWindowLongPtr(hwndDlg, GWL_EXSTYLE) | WS_EX_TOOLWINDOW);
+  }
+  if (uMsg == WM_CLOSE)
+  {
+    DestroyWindow(hwndDlg);
+  }
+  return 0;
+}
+
+BOOL ProcessMessages()
+{
+  BOOL processed = FALSE;
+  MSG msg;
+
+  while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
+  {
+    DispatchMessage(&msg);
+    processed = TRUE;
+  }
+
+  return processed;
+}
+
+DWORD WINAPI BannerThread(LPVOID lpParameter)
+{
+  HWND hwndParent = (HWND) lpParameter;
+  HWND lhwBanner;
+
+  // This right here is the mother of all evils when it comes to
+  // foreground windows. The dialog is created in another thread
+  // and there can only be one thread holding the right to set the
+  // foreground window. So long as this thread exists and has an
+  // active window, another thread from the same process can steal
+  // its thunder. But if the window and the thread are destroyed,
+  // the foreground rights pass on to another process. To avoid
+  // this situation that could cause the installer to show up on
+  // the background if Banner is used in .onInit, we don't let
+  // CreateDialog show the window and instead do this in the
+  // original thread. This is done by not specifying WS_VISIBLE
+  // for IDD_VERIFY.
+
+  lhwBanner = CreateDialog(
+    GetModuleHandle(0),
+    MAKEINTRESOURCE(IDD_VERIFY),
+    hwndParent,
+    BannerProc
+  );
+  if (!lhwBanner)
+  {
+    bFailed = TRUE;
+    return 0;
+  }
+
+  while (IsWindow(lhwBanner))
+  {
+    if (!ProcessMessages())
+    {
+      hwBanner = lhwBanner;
+      WaitMessage();
+    }
+  }
+
+  hwBanner = NULL;
+
+  return 0;
+}
+
+static UINT_PTR PluginCallback(enum NSPIM msg)
+{
+  return 0;
+}
+
+void __declspec(dllexport) show(HWND hwndParent, int string_size, TCHAR *variables, stack_t **stacktop, extra_parameters *extra)
+{
+  EXDLL_INIT();
+
+  extra->RegisterPluginCallback(hInstance, PluginCallback);
+
+  {
+    DWORD dwThreadId;
+    DWORD dwMainThreadId = GetCurrentThreadId();
+
+    hwBanner = NULL;
+
+    if (!IsWindowVisible(hwndParent))
+      hwndParent = 0;
+
+    bFailed = FALSE;
+
+    hThread = CreateThread(0, 0, BannerThread, (LPVOID) hwndParent, 0, &dwThreadId);
+
+    // wait for the window to initalize and for the stack operations to finish
+    while (hThread && !hwBanner && !bFailed)
+    {
+      ProcessMessages();
+      Sleep(10);
+    }
+
+    CloseHandle(hThread);
+
+    if (AttachThreadInput(dwMainThreadId, dwThreadId, TRUE))
+    {
+      // Activates and displays a window
+      ShowWindow(hwBanner, SW_SHOW);
+      AttachThreadInput(dwMainThreadId, dwThreadId, FALSE);
+    }
+    else
+      ShowWindow(hwBanner, SW_SHOW);
+  }
+}
+
+void __declspec(dllexport) getWindow(HWND hwndParent, int string_size, TCHAR *variables, stack_t **stacktop)
+{
+  wsprintf(buf, _T("%u"), hwBanner);
+  pushstring(buf);
+}
+
+void __declspec(dllexport) destroy(HWND hwndParent, int string_size, TCHAR *variables, stack_t **stacktop)
+{
+  if (!hwBanner)
+    return;
+
+  PostMessage(hwBanner, WM_CLOSE, 0, 0);
+
+  // Wait for the thread to finish
+  while (hwBanner)
+  {
+    ProcessMessages();
+    Sleep(25);
+  }
+}
+
+BOOL WINAPI DllMain(HANDLE hInst, ULONG ul_reason_for_call, LPVOID lpReserved)
+{
+  hInstance = hInst;
+  if (hwBanner && ul_reason_for_call == DLL_PROCESS_DETACH)
+  {
+    destroy(0, 0, 0, 0);
+  }
+  return TRUE;
+}

Contrib/Banner/Example.nsi

+# Look at Readme.txt for usage alongside with the Modern UI
+
+!include "WinMessages.nsh"
+
+Name "Banner.dll test"
+
+OutFile "Banner Test.exe"
+
+ShowInstDetails show
+
+Function .onInit
+	Banner::show "Calculating important stuff..."
+
+	Banner::getWindow
+	Pop $1
+
+	again:
+		IntOp $0 $0 + 1
+		Sleep 1
+		StrCmp $0 100 0 again
+
+	GetDlgItem $2 $1 1030
+	SendMessage $2 ${WM_SETTEXT} 0 "STR:Calculating more important stuff..."
+
+	again2:
+		IntOp $0 $0 + 1
+		Sleep 1
+		StrCmp $0 200 0 again2
+
+	Banner::destroy
+FunctionEnd
+
+Section
+	DetailPrint "Using previous calculations to quickly calculate 1*2000..."
+	Sleep 1000
+	DetailPrint "Eureka! It's $0!!!"
+	DetailPrint ""
+SectionEnd

Contrib/Banner/Readme.txt

+BANNER PLUG-IN
+--------------
+
+The Banner plug-in shows a banner with customizable text. It uses the IDD_VERIFY dialog of the UI.
+
+There are three functions - show, getWindow and destroy.
+
+Usage
+-----
+
+Banner::show "Text to show"
+
+[optional] Banner::getWindow
+
+Banner::destroy
+
+See Example.nsi for an example.
+
+Modern UI
+---------
+
+The Modern UI has two labels on the IDD_VERIFY dialog. To change all the texts, use:
+
+Banner::show /set 76 "Text 1 (replaces Please wait while Setup is loading...)" "Normal text"
+
+Custom UI
+---------
+
+If you have more labels on your IDD_VERIFY dialog, you can use multiple /set parameters to change the texts.
+
+Example:
+
+Banner::show /set 76 "bah #1" /set 54 "bah #2" "Normal text"
+
+The second parameter for /set is the ID of the control.
+
+Some More Tricks
+----------------
+
+If you use /set to set the main string (IDC_STR, 1030) you can specify a different string for the window's caption and for the main string.
+
+If you use an empty string as the main string (Banner::show "") the banner window will not show on the taskbar.
+
+Credits
+-------
+
+A joint effort of brainsucker and kichik in honor of the messages dropped during the battle

Contrib/Banner/SConscript

+target = 'Banner'
+
+files = Split("""
+	Banner.c
+""")
+
+libs = Split("""
+	kernel32
+	user32
+""")
+
+examples = Split("""
+	Example.nsi
+""")
+
+docs = Split("""
+	Readme.txt
+""")
+
+Import('BuildPlugin')
+
+BuildPlugin(target, files, libs, examples, docs)

Contrib/BgImage/BgImage.cpp

+// Unicode support by Jim Park -- 08/22/2007
+
+#include <windows.h>
+#include <mmsystem.h>
+#include <nsis/pluginapi.h> // nsis plugin
+
+#undef EXDLL_INIT
+
+#define EXDLL_INIT() {  \
+        g_stringsize=string_size; \
+        g_stacktop=stacktop; }
+
+#define NSISFunc(name) extern "C" void __declspec(dllexport) name(HWND hwndParent, int string_size, TCHAR *variables, stack_t **stacktop, extra_parameters *extra)
+
+TCHAR szTemp[2048];
+HWND hWndImage, hWndParent;
+
+HINSTANCE g_hInstance;
+
+CRITICAL_SECTION CriticalSection;
+
+void ECS() {
+  EnterCriticalSection(&CriticalSection);
+}
+
+void LCS() {
+  LeaveCriticalSection(&CriticalSection);
+}
+
+enum {
+  MIL_DUMMY,
+  MIL_GRADIENT,
+  MIL_BITMAP,
+  MIL_TRANSPARENT_BITMAP,
+  MIL_TEXT
+};
+
+struct myImageList {
+  BYTE iType;
+  union {
+    HBITMAP hBitmap;
+    TCHAR *szText;
+    COLORREF cGradientFrom;
+  };
+  RECT rPos;
+  union {
+    COLORREF cTransparent;
+    COLORREF cTextColor;
+    COLORREF cGradientTo;
+  };
+  HFONT hFont;
+
+  BOOL bReady;
+
+  myImageList *next;
+} bgBitmap;
+
+unsigned int uWndWidth, uWndHeight;
+
+WNDPROC oldProc;
+LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
+HBITMAP __stdcall LoadBitmapFile(long right, long bottom, BITMAP *bBitmap);
+COLORREF GetColor();
+void __stdcall GetXY(LPPOINT lpPoint);
+
+NSISFunc(Destroy);
+
+static UINT_PTR PluginCallback(enum NSPIM msg)
+{
+  if (msg == NSPIM_GUIUNLOAD)
+  {
+    Destroy(0, 0, 0, 0, 0);
+  }
+  return 0;
+}
+
+BOOL bReturn;
+
+NSISFunc(SetReturn) {
+  EXDLL_INIT();
+
+  extra->RegisterPluginCallback(g_hInstance, PluginCallback);
+
+  popstring(szTemp);
+  bReturn = !lstrcmpi(szTemp, _T("on"));
+}
+
+static void __stdcall my_pushstring(const TCHAR *str)
+{
+  stack_t *th;
+  if (!g_stacktop || !bReturn) return;
+  th=(stack_t*)GlobalAlloc(GPTR,sizeof(stack_t)+(g_stringsize*sizeof(TCHAR)));
+  lstrcpyn(th->text,str,g_stringsize);
+  th->next=*g_stacktop;
+  *g_stacktop=th;
+}
+
+NSISFunc(SetBg) {
+  EXDLL_INIT();
+
+  extra->RegisterPluginCallback(g_hInstance, PluginCallback);
+
+  ECS();
+
+  if (!hWndImage) {
+    hWndParent = hwndParent;
+
+    if (!hwndParent) {
+      my_pushstring(_T("can't find parent window"));
+      LCS();
+      return;
+    }
+
+    WNDCLASSEX wc = {
+      sizeof(WNDCLASSEX),
+      CS_VREDRAW|CS_HREDRAW,
+      WndProc,
+      0,
+      0,
+      g_hInstance,
+      0,
+      LoadCursor(0, IDC_ARROW),
+      0,
+      0,
+      _T("NSISBGImage"),
+      0
+    };
+    ATOM atomClass = RegisterClassEx(&wc);
+    if (!atomClass) {
+      my_pushstring(_T("can't create window"));
+      return;
+    }
+
+    hWndImage = CreateWindowEx(
+      WS_EX_TOOLWINDOW,
+      (LPTSTR)(DWORD)atomClass,
+      0,
+      WS_CLIPSIBLINGS|WS_POPUP,
+      0,
+      0,
+      0,
+      0,
+      0,
+      0,
+      g_hInstance,
+      0
+    );
+    if (!hWndImage) {
+      my_pushstring(_T("can't create window"));
+      LCS();
+      return;
+    }
+
+    oldProc = (WNDPROC)SetWindowLongPtr(hwndParent, GWLP_WNDPROC, (LONG_PTR)WndProc);
+  }
+
+  bgBitmap.bReady = FALSE;
+
+  if (bgBitmap.iType == MIL_BITMAP)
+    DeleteObject(bgBitmap.hBitmap);
+
+  unsigned int uScrWidth = GetSystemMetrics(SM_CXSCREEN);
+  unsigned int uScrHeight = GetSystemMetrics(SM_CYSCREEN);
+
+  bgBitmap.iType = MIL_BITMAP;
+  bgBitmap.rPos.right = 0;
+  bgBitmap.rPos.bottom = 0;
+  uWndWidth = uScrWidth;
+  uWndHeight = uScrHeight;
+
+  LPCTSTR szGradient = _T("/GRADIENT");
+  LPCTSTR szFillScreen = _T("/FILLSCREEN");
+  LPCTSTR szTiled = _T("/TILED");
+
+  popstring(szTemp);
+  if (!lstrcmpi(szTemp, szGradient)) {
+    bgBitmap.cGradientFrom = GetColor();
+    bgBitmap.cGradientTo = GetColor();
+
+    bgBitmap.iType = MIL_GRADIENT;
+
+    goto done;
+  }
+  if (!lstrcmpi(szTemp, szFillScreen)) {
+    bgBitmap.rPos.right = uScrWidth;
+    bgBitmap.rPos.bottom = uScrHeight;
+    popstring(szTemp);
+  }
+  else if (!lstrcmpi(szTemp, szTiled)) {
+    popstring(szTemp);
+  }
+  else {
+    uWndWidth = 0;
+    uWndHeight = 0;
+  }
+
+  BITMAP bBitmap;
+
+  bgBitmap.hBitmap = LoadBitmapFile(bgBitmap.rPos.right, bgBitmap.rPos.bottom, &bBitmap);
+  if (!bgBitmap.hBitmap)
+    return;
+
+  if (!bgBitmap.rPos.right) {
+    bgBitmap.rPos.right = bBitmap.bmWidth;
+    bgBitmap.rPos.bottom = bBitmap.bmHeight;
+  }
+  if (!uWndWidth) {
+    uWndWidth = bBitmap.bmWidth;
+    uWndHeight = bBitmap.bmHeight;
+  }
+
+done:
+
+  bgBitmap.bReady = TRUE;
+
+  LCS();
+
+  if (hWndImage) {
+    SetWindowPos(
+      hWndImage,
+      hWndParent,
+      (uScrWidth-uWndWidth)/2,
+      (uScrHeight-uWndHeight)/2,
+      uWndWidth,
+      uWndHeight,
+      SWP_NOACTIVATE
+    );
+  }
+
+  my_pushstring(_T("success"));
+}
+
+NSISFunc(AddImage) {
+  ECS();
+
+  myImageList *newImg = (myImageList *)GlobalAlloc(GPTR, sizeof(myImageList));
+  if (!newImg) {
+    my_pushstring(_T("memory allocation error"));
+    LCS();
+    return;
+  }