From e0771af6a53381f7dd826d2b6bee77c3610f15e0 Mon Sep 17 00:00:00 2001
From: Kirill Volinsky <mataes2007@gmail.com>
Date: Thu, 21 May 2015 13:01:57 +0000
Subject: plugin ZeroSwitch added. Works only under WinXP

git-svn-id: http://svn.miranda-ng.org/main/trunk@13731 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
---
 plugins/ZeroSwitch/src/ZeroSwitch.cpp | 154 ++++++++++++++++++++++++++++++++++
 1 file changed, 154 insertions(+)
 create mode 100644 plugins/ZeroSwitch/src/ZeroSwitch.cpp

(limited to 'plugins/ZeroSwitch/src/ZeroSwitch.cpp')

diff --git a/plugins/ZeroSwitch/src/ZeroSwitch.cpp b/plugins/ZeroSwitch/src/ZeroSwitch.cpp
new file mode 100644
index 0000000000..df460395c8
--- /dev/null
+++ b/plugins/ZeroSwitch/src/ZeroSwitch.cpp
@@ -0,0 +1,154 @@
+// ZeroSwitch.cpp : Defines the entry point for the DLL application.
+//
+
+#include "stdafx.h"
+
+HINSTANCE hInst;
+HHOOK hHook;
+HWND hDummyWnd = NULL, hHelperWnd = NULL, hMirandaWnd = NULL;
+int hLangpack;
+
+PLUGININFOEX pluginInfo = {
+	sizeof(PLUGININFOEX),
+	__PLUGIN_NAME,
+	PLUGIN_MAKE_VERSION(__MAJOR_VERSION, __MINOR_VERSION, __RELEASE_NUM, __BUILD_NUM),
+	__DESCRIPTION,
+	__AUTHOR,
+	__AUTHOREMAIL,
+	__COPYRIGHT,
+	__AUTHORWEB,
+	UNICODE_AWARE,
+	// {3F1657B1-69CB-4992-9CFC-226C808A5202}
+	{ 0x3f1657b1, 0x69cb, 0x4992, { 0x9c, 0xfc, 0x22, 0x6c, 0x80, 0x8a, 0x52, 0x2 } }
+};
+
+BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD, LPVOID)
+{
+	hInst = hinstDLL;
+	return TRUE;
+}
+
+extern "C" __declspec(dllexport) PLUGININFOEX* MirandaPluginInfoEx(DWORD)
+{
+	return &pluginInfo;
+}
+
+LRESULT CALLBACK HelperProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
+{
+	switch (message)
+	{
+	case WM_ACTIVATE:
+		if (LOWORD(wParam) != WA_INACTIVE) // Helper window got activated
+			SetActiveWindow(hMirandaWnd);
+		break;
+	case WM_DESTROY:
+		if (hWnd == hHelperWnd)
+			hHelperWnd = NULL;
+		else
+			hDummyWnd = NULL;
+		break;
+	default:
+		return DefWindowProc(hWnd, message, wParam, lParam);
+	}
+	return 0;
+}
+
+void CreateHelperWnd()
+{
+	WNDCLASSEX wcex;
+	// First we must check if Miranda's main window has the "Title bar" border style...
+	if ((GetWindowLongPtr(hMirandaWnd, GWL_STYLE) & WS_CAPTION) && !(GetWindowLongPtr(hMirandaWnd, GWL_EXSTYLE) & WS_EX_TOOLWINDOW))
+		return;
+
+	if (hHelperWnd)
+		return; // We need only one helper window
+	// Widows taskbar workaround
+	// We don't want our helper window to be displayed on Windows taskbar.
+	// So firt of all we have to create an invisible window and then set it as
+	// parent to our window.
+
+	// Register windows class
+	wcex.cbSize = sizeof(WNDCLASSEX);
+	wcex.style = CS_HREDRAW | CS_VREDRAW;
+	wcex.lpfnWndProc = HelperProc;
+	wcex.cbClsExtra = 0;
+	wcex.cbWndExtra = 0;
+	wcex.hInstance = hInst;
+	wcex.hIcon = LoadSkinnedIconBig(SKINICON_OTHER_MIRANDA);
+	wcex.hCursor = NULL;
+	wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
+	wcex.lpszMenuName = NULL;
+	wcex.lpszClassName = _T("ZeroSwitchHlp");
+	wcex.hIconSm = LoadSkinnedIcon(SKINICON_OTHER_MIRANDA);
+
+	if (NULL == RegisterClassEx(&wcex))
+		return; // wtf
+
+	hDummyWnd = CreateWindow(_T("ZeroSwitchHlp"), _T(""), WS_POPUP, 0, 0, 0, 0, NULL, NULL, hInst, NULL);
+	if (!hDummyWnd)
+		UnregisterClass(_T("ZeroSwitchHlp"), hInst);
+	hHelperWnd = CreateWindow(_T("ZeroSwitchHlp"), _T("Miranda NG"), WS_OVERLAPPEDWINDOW | WS_VISIBLE, -100, -100, 90, 90, hDummyWnd, NULL, hInst, NULL);
+	if (!hHelperWnd)
+	{
+		DestroyWindow(hDummyWnd);
+		UnregisterClass(_T("ZeroSwitchHlp"), hInst);
+	}
+}
+
+void DestroyHelperWnd()
+{
+	if (hHelperWnd)
+	{
+		DestroyWindow(hHelperWnd);
+		DestroyWindow(hDummyWnd);
+		UnregisterClass(_T("ZeroSwitchHlp"), hInst);
+	}
+}
+
+LRESULT CALLBACK CallWndRetProc(int nCode, WPARAM wParam, LPARAM lParam)
+{
+	PCWPRETSTRUCT pMes;
+
+	if (nCode >= 0)
+	{
+		pMes = (PCWPRETSTRUCT)lParam; // Get message details
+		if (!hMirandaWnd)
+			hMirandaWnd = FindWindow(_T("Miranda"), NULL);
+
+		if (pMes->hwnd == hMirandaWnd)
+		{
+			if (pMes->message == WM_SHOWWINDOW) // We are interested only in this message
+			{
+				if (pMes->wParam == TRUE) // The window is being shown
+					CreateHelperWnd();
+				else
+					DestroyHelperWnd();
+			}
+		}
+	}
+	return CallNextHookEx(NULL, nCode, wParam, lParam); // Pass the message to other hooks in chain
+}
+
+extern "C" int __declspec(dllexport) Load(void)
+{
+	mir_getLP(&pluginInfo);
+
+	if (IsWinVerVistaPlus()) {
+		MessageBox(NULL, TranslateT("Plugin works under Windows XP only"), TranslateT("ZeroSwitch plugin failed"), MB_ICONSTOP);
+		return 1;
+	}
+
+	// Let's setup shop :)
+	hHook = SetWindowsHookEx(WH_CALLWNDPROCRET, CallWndRetProc, NULL, GetCurrentThreadId());
+	if (hHook == NULL)
+		MessageBox(NULL, TranslateT("Oops, we've got a big hook error here :("), TranslateT("ZeroSwitch plugin failed"), MB_ICONSTOP);
+	return 0;
+}
+
+extern "C" int __declspec(dllexport) Unload(void)
+{
+	if (hHook)
+		UnhookWindowsHookEx(hHook);
+	DestroyHelperWnd();
+	return 0;
+}
\ No newline at end of file
-- 
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