Initial community commit

Src/auth/Loginbox/loginGui.cpp

@@ -0,0 +1,277 @@
+#include "./loginGui.h"
+#include "./common.h"
+#include "./imageLoader.h"
+
+#include "../resource.h"
+#include "../api.h"
+
+#include <strsafe.h>
+
+static size_t threadStorage = TLS_OUT_OF_INDEXES;
+
+LoginGuiObject::LoginGuiObject()
+: ref(1), bitmapIcons(NULL), fontTitle(NULL), fontEditor(NULL), fontText(NULL)
+{
+}
+
+LoginGuiObject::~LoginGuiObject()
+{
+	Reset();
+}
+
+HRESULT LoginGuiObject::InitializeThread()
+{
+	
+	if (TLS_OUT_OF_INDEXES == threadStorage)
+	{
+		if (NULL == WASABI_API_APP)
+			return E_UNEXPECTED;
+		
+		threadStorage = WASABI_API_APP->AllocateThreadStorage();
+		if (TLS_OUT_OF_INDEXES == threadStorage)
+			return E_UNEXPECTED;
+	}
+	
+	LoginGuiObject *cache = (LoginGuiObject*)WASABI_API_APP->GetThreadStorage(threadStorage);
+	if (NULL != cache) 
+	{
+		cache->AddRef();
+		return S_FALSE;
+	}
+	
+	if (NULL == cache)
+	{
+		cache = new LoginGuiObject();
+		if (NULL == cache) return E_OUTOFMEMORY;
+		WASABI_API_APP->SetThreadStorage(threadStorage, cache);
+	}
+
+	return S_OK;
+}
+
+HRESULT LoginGuiObject::UninitializeThread()
+{
+	if (TLS_OUT_OF_INDEXES == threadStorage)
+		return E_FAIL;
+	
+	if (NULL == WASABI_API_APP)
+		return E_UNEXPECTED;
+	
+	LoginGuiObject *cache = (LoginGuiObject*)WASABI_API_APP->GetThreadStorage(threadStorage);
+	if (NULL != cache && 0 == cache->Release())
+		WASABI_API_APP->SetThreadStorage(threadStorage, NULL);
+	
+	return S_OK;
+}
+
+HRESULT LoginGuiObject::QueryInstance(LoginGuiObject **instance)
+{
+	if (NULL == instance)
+		return E_POINTER;
+	
+	if (TLS_OUT_OF_INDEXES == threadStorage)
+		return E_UNEXPECTED;
+	
+	*instance = (LoginGuiObject*)WASABI_API_APP->GetThreadStorage(threadStorage);
+	if (NULL == *instance) return E_FAIL;
+	(*instance)->AddRef();	
+
+	return S_OK;
+}
+
+ULONG LoginGuiObject::AddRef()
+{
+	return InterlockedIncrement((LONG*)&ref);
+}
+
+ULONG LoginGuiObject::Release()
+{
+	if (0 == ref)
+		return ref;
+	
+	LONG r = InterlockedDecrement((LONG*)&ref);
+	if (0 == r)
+		delete(this);
+	
+	return r;
+}
+
+HRESULT LoginGuiObject::Reset()
+{
+	if (NULL != bitmapIcons)
+	{
+		DeleteObject(bitmapIcons);
+		bitmapIcons = NULL;
+	}
+
+	if (NULL != fontTitle)
+	{
+		DeleteObject(fontTitle);
+		fontTitle = NULL;
+	}
+
+	if (NULL != fontEditor)
+	{
+		DeleteObject(fontEditor);
+		fontEditor = NULL;
+	}
+
+	if (NULL != fontText)
+	{
+		DeleteObject(fontText);
+		fontText = NULL;
+	}
+
+	return S_OK;
+}
+
+HRESULT LoginGuiObject::GetIconDimensions(INT *pWidth, INT *pHeight)
+{
+	if (NULL == bitmapIcons)
+	{
+		INT width, height;
+		bitmapIcons = ImageLoader_LoadBitmap(WASABI_API_ORIG_HINST, MAKEINTRESOURCE(IDR_NOTIFIERICONS_IMAGE), 
+							TRUE, &width, &height);
+
+		if (NULL == bitmapIcons)
+			return E_FAIL;
+
+		if (height < 0) height = -height;
+		
+		if (NULL != pWidth) *pWidth = width;
+		if (NULL != pHeight) *pHeight = width;
+
+		return S_OK;
+	}
+
+	BITMAP bm;
+	if (sizeof(bm) != GetObject(bitmapIcons, sizeof(bm), &bm))
+		return E_FAIL;
+	
+	if (NULL != pWidth) *pWidth = bm.bmWidth;
+	if (NULL != pHeight) *pHeight = bm.bmWidth;
+
+	return S_OK;
+}
+
+HBITMAP LoginGuiObject::GetIcon(INT iconId, RECT *prcIcon)
+{
+	if (NULL == prcIcon || iconId < 0) 
+		return NULL;
+	
+	INT width, height;
+
+	if (NULL != bitmapIcons)
+	{
+		BITMAP bm;
+		if (sizeof(bm) != GetObject(bitmapIcons, sizeof(bm), &bm))
+			bitmapIcons = NULL;
+		else
+		{
+			width = bm.bmWidth;
+			height = bm.bmHeight;
+		}
+	}
+
+	if (NULL == bitmapIcons)
+	{		
+		bitmapIcons = ImageLoader_LoadBitmap(WASABI_API_ORIG_HINST, MAKEINTRESOURCE(IDR_NOTIFIERICONS_IMAGE), 
+							TRUE, &width, &height);
+
+		if (NULL == bitmapIcons)
+			return NULL;
+	}
+	
+	if (height < 0) height = -height;
+
+	if (width * (iconId + 1) > height)
+		return NULL;
+
+	prcIcon->left = 0;
+	prcIcon->right = width;
+	prcIcon->top = width * iconId;
+	prcIcon->bottom = prcIcon->top + width;
+	
+	return bitmapIcons;
+}
+
+
+static HFONT LoginGuiObject_DuplicateFont(HFONT fontBase, INT heightDeltaPt)
+{
+	if (NULL == fontBase) return NULL;
+	
+	LOGFONT lf;
+	if (sizeof(lf) != GetObject(fontBase, sizeof(lf), &lf))
+		return NULL;
+
+	if (0 != heightDeltaPt)
+	{
+		HDC hdc = GetDCEx(NULL, NULL, DCX_WINDOW | DCX_CACHE | DCX_NORESETATTRS);
+		HDC hdcTmp = NULL;
+
+		if (NULL != hdc)
+		{
+			hdcTmp = CreateCompatibleDC(hdc);
+			ReleaseDC(NULL, hdc);
+		}
+		
+		if (NULL == hdcTmp)
+			return NULL;
+		
+		LONG pixelsY = GetDeviceCaps (hdcTmp, LOGPIXELSY);
+		HFONT fontOrig = (HFONT)SelectObject(hdcTmp, fontBase);
+		
+		TEXTMETRIC tm;
+		if (FALSE != GetTextMetrics(hdcTmp, &tm))
+		{
+			INT basePt = MulDiv(tm.tmHeight - tm.tmInternalLeading, 72, pixelsY);
+			lf.lfHeight = -MulDiv((basePt + heightDeltaPt), pixelsY, 72);
+
+		}
+
+		SelectObject(hdcTmp, fontOrig);
+		DeleteDC(hdcTmp);
+	}
+
+	return CreateFontIndirect(&lf);
+}
+
+HFONT LoginGuiObject::GetTitleFont()
+{
+	if (NULL == fontTitle)
+	{		
+		HFONT fontBase = GetTextFont();
+		if (NULL != fontBase)
+		{
+			fontTitle = LoginGuiObject_DuplicateFont(fontBase, 3);
+		}
+	}
+	return fontTitle;
+}
+
+HFONT LoginGuiObject::GetEditorFont()
+{
+	if (NULL == fontEditor)
+	{		
+		HFONT fontBase = GetTextFont();
+		if (NULL != fontBase)
+		{
+			fontEditor = LoginGuiObject_DuplicateFont(fontBase, 0);
+		}
+	}
+	return fontEditor;
+}
+
+HFONT LoginGuiObject::GetTextFont()
+{
+	if (NULL == fontText)
+	{
+		LOGFONT lf;
+		if (FALSE != SystemParametersInfo(SPI_GETICONTITLELOGFONT, sizeof(lf), &lf, 0))
+		{
+			lf.lfQuality = LoginBox_GetSysFontQuality();
+	   		fontText = CreateFontIndirect(&lf);
+		}
+	}
+	return fontText;
+}