third-party libs

third-party/BugTrap-1.3-57bd515/source/LayoutManager.cpp

@@ -0,0 +1,160 @@
+/*
+ * This is a part of the BugTrap package.
+ * Copyright (c) 2005-2009 IntelleSoft.
+ * All rights reserved.
+ *
+ * Description: Layout manager class.
+ * Author: Maksim Pyatkovskiy.
+ *
+ * This source code is only intended as a supplement to the
+ * BugTrap package reference and related electronic documentation
+ * provided with the product. See these sources for detailed
+ * information regarding the BugTrap package.
+ */
+
+#include "StdAfx.h"
+#include "LayoutManager.h"
+#include "Globals.h"
+
+#ifdef _DEBUG
+#define new DEBUG_NEW
+#endif
+
+/**
+ * @param nCtlID - control ID.
+ * @param nRatioX1 - left coordinate ratio.
+ * @param nRatioY1 - top coordinate ratio.
+ * @param nRatioX2 - right coordinate ratio.
+ * @param nRatioY2 - bottom coordinate ratio.
+ */
+LAYOUT_INFO::LAYOUT_INFO(int nCtlID, int nRatioX1, int nRatioY1, int nRatioX2, int nRatioY2)
+{
+	m_nCtlID = nCtlID;
+	m_nRatioX1 = nRatioX1;
+	m_nRatioY1 = nRatioY1;
+	m_nRatioX2 = nRatioX2;
+	m_nRatioY2 = nRatioY2;
+	ZeroMemory(&m_rcOriginal, sizeof(m_rcOriginal));
+}
+
+/**
+ * @param hwndParent - parent window handle.
+ * @param arrLayout - array of control layout info blocks.
+ * @param nItemCount - number of control layout info blocks.
+ * @param bAddSizeBox - pass true if size box must be added to the dialog.
+ */
+void CLayoutManager::InitLayout(HWND hwndParent, LAYOUT_INFO arrLayout[], int nItemCount, bool bAddSizeBox)
+{
+	LONG lStyle = GetWindowLong(hwndParent, GWL_STYLE);
+	lStyle |= WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
+	SetWindowLong(hwndParent, GWL_STYLE, lStyle);
+
+	RECT rcWindow;
+	GetWindowRect(hwndParent, &rcWindow);
+	m_ptMinWindowSize.x = rcWindow.right - rcWindow.left;
+	m_ptMinWindowSize.y = rcWindow.bottom - rcWindow.top;
+
+	RECT rcClient;
+	GetClientRect(hwndParent, &rcClient);
+	m_ptMinClientSize.x = rcClient.right;
+	m_ptMinClientSize.y = rcClient.bottom;
+
+	m_hwndParent = hwndParent;
+	m_arrLayout = arrLayout;
+	m_nItemCount = nItemCount;
+
+	for (int iPos = 0; iPos < nItemCount; ++iPos)
+	{
+		LAYOUT_INFO& rLayoutInfo = arrLayout[iPos];
+		HWND hwndCtl = GetDlgItem(hwndParent, rLayoutInfo.m_nCtlID);
+		RECT& rcOriginal = rLayoutInfo.m_rcOriginal;
+		GetWindowRect(hwndCtl, &rcOriginal);
+		ScreenToClient(hwndParent, (PPOINT)&rcOriginal);
+		ScreenToClient(hwndParent, (PPOINT)&rcOriginal + 1);
+	}
+
+	m_hwndSizeBox = bAddSizeBox ?
+			CreateWindow(WC_SCROLLBAR, NULL, WS_CHILD | WS_VISIBLE | WS_GROUP | SBS_SIZEGRIP | SBS_SIZEBOXBOTTOMRIGHTALIGN | WS_CLIPSIBLINGS,
+			             rcClient.left, rcClient.top, rcClient.right, rcClient.bottom, hwndParent, NULL, g_hInstance, NULL) : NULL;
+}
+
+void CLayoutManager::ApplyLayout(void)
+{
+	if (! m_arrLayout)
+		return;
+
+	RECT rcClient;
+	GetClientRect(m_hwndParent, &rcClient);
+	const int nWindowDeltaX = rcClient.right - m_ptMinClientSize.x;
+	const int nWindowDeltaY = rcClient.bottom - m_ptMinClientSize.y;
+
+	BOOL bVisible = IsWindowVisible(m_hwndParent);
+	if (bVisible)
+		SendMessage(m_hwndParent, WM_SETREDRAW, FALSE, 0);
+
+	int iPos;
+	for (iPos = 0; iPos < m_nItemCount; ++iPos)
+	{
+		const LAYOUT_INFO& rLayoutInfo = m_arrLayout[iPos];
+		const RECT& rcOriginal = rLayoutInfo.m_rcOriginal;
+		RECT rcCtl;
+
+		if (nWindowDeltaX > 0)
+		{
+			rcCtl.left   = rcOriginal.left   + nWindowDeltaX * rLayoutInfo.m_nRatioX1 / ALIGN_RANGE;
+			rcCtl.right  = rcOriginal.right  + nWindowDeltaX * rLayoutInfo.m_nRatioX2 / ALIGN_RANGE;
+		}
+		else
+		{
+			rcCtl.left   = rcOriginal.left;
+			rcCtl.right  = rcOriginal.right;
+		}
+
+		if (nWindowDeltaY > 0)
+		{
+			rcCtl.top    = rcOriginal.top    + nWindowDeltaY * rLayoutInfo.m_nRatioY1 / ALIGN_RANGE;
+			rcCtl.bottom = rcOriginal.bottom + nWindowDeltaY * rLayoutInfo.m_nRatioY2 / ALIGN_RANGE;
+		}
+		else
+		{
+			rcCtl.top    = rcOriginal.top;
+			rcCtl.bottom = rcOriginal.bottom;
+		}
+
+		int nHorScrollVal = GetScrollPos(m_hwndParent, SB_HORZ);
+		rcCtl.left   -= nHorScrollVal;
+		rcCtl.right  -= nHorScrollVal;
+		int nVertScrollVal = GetScrollPos(m_hwndParent, SB_VERT);
+		rcCtl.top    -= nVertScrollVal;
+		rcCtl.bottom -= nVertScrollVal;
+
+		HWND hwndCtl = GetDlgItem(m_hwndParent, rLayoutInfo.m_nCtlID);
+		SetWindowPos(hwndCtl,
+					 NULL,
+					 rcCtl.left,
+					 rcCtl.top,
+					 rcCtl.right - rcCtl.left,
+					 rcCtl.bottom - rcCtl.top,
+					 SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER | SWP_NOREDRAW);
+	}
+
+	if (m_hwndSizeBox)
+	{
+		RECT rcCtl;
+		GetWindowRect(m_hwndSizeBox, &rcCtl);
+		SetWindowPos(m_hwndSizeBox,
+					 NULL,
+					 rcClient.right - (rcCtl.right - rcCtl.left),
+					 rcClient.bottom - (rcCtl.bottom - rcCtl.top),
+					 0,
+					 0,
+					 SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER | SWP_NOREDRAW | SWP_NOSIZE);
+		ShowWindow(m_hwndSizeBox, IsMaximized(m_hwndParent) ? SW_HIDE : SW_SHOW);
+	}
+
+	if (bVisible)
+	{
+		SendMessage(m_hwndParent, WM_SETREDRAW, TRUE, 0);
+		RedrawWindow(m_hwndParent, NULL, NULL, RDW_ERASE | RDW_INVALIDATE | RDW_UPDATENOW | RDW_ALLCHILDREN);
+	}
+}