Set document tab icon depending on document type.

Hexer/CChildFrame.cpp

@@ -6,8 +6,9 @@
 *******************************************************************************/
 #include "stdafx.h"
 #include "CHexerApp.h"
-#include "CChildFrame.h"
 #include "CMainFrame.h"
+#include "CChildFrame.h"
+#include "CHexerDoc.h"
 #include "CHexerView.h"
 
 import Utility;
@@ -37,6 +38,16 @@ void CChildFrame::SetHexerView(CHexerView* pView)
 
 //Private methods.
 
+auto CChildFrame::GetFrameIcon()const->HICON
+{
+	const auto pView = GetHexerView();
+	if (pView == nullptr) {
+		return { };
+	}
+
+	return pView->GetDocument()->GetDocIcon();
+}
+
 auto CChildFrame::GetMainFrame()const->CMainFrame*
 {
 	return reinterpret_cast<CMainFrame*>(AfxGetMainWnd());

Hexer/CChildFrame.h

@@ -14,6 +14,7 @@ class CChildFrame final : public CMDIChildWndEx {
 	[[nodiscard]] auto GetHexerView()const->CHexerView*;
 	void SetHexerView(CHexerView* pView);
 private:
+	auto GetFrameIcon()const->HICON override;
 	[[nodiscard]] auto GetMainFrame()const->CMainFrame*;
 	[[nodiscard]] auto GetHexCtrl()const->HEXCTRL::IHexCtrl*;
 	afx_msg void OnClose();

Hexer/CHexerApp.cpp

@@ -339,13 +339,9 @@ BOOL CHexerApp::InitInstance()
 	pMainFrame->LoadFrame(IDR_HEXER_FRAME); //Also used in the CMainFrame::PreCreateWindow.
 	m_pMainWnd = pMainFrame;
 
-	const auto iSizeIcon = static_cast<int>(16 * Ut::GetHiDPIInfo().flDPIScale);
-	const auto hBMPFile = static_cast<HBITMAP>(LoadImageW(AfxGetInstanceHandle(), MAKEINTRESOURCEW(IDB_FILE),
-		IMAGE_BITMAP, iSizeIcon, iSizeIcon, LR_CREATEDIBSECTION));
-	const auto hBMPDevice = static_cast<HBITMAP>(LoadImageW(AfxGetInstanceHandle(), MAKEINTRESOURCEW(IDB_DEVICE),
-		IMAGE_BITMAP, iSizeIcon, iSizeIcon, LR_CREATEDIBSECTION));
-	const auto hBMPProcess = static_cast<HBITMAP>(LoadImageW(AfxGetInstanceHandle(), MAKEINTRESOURCEW(IDB_PROCESS),
-		IMAGE_BITMAP, iSizeIcon, iSizeIcon, LR_CREATEDIBSECTION));
+	const auto hBMPFile = Ut::GetHBITMAP(IDB_FILE);
+	const auto hBMPDevice = Ut::GetHBITMAP(IDB_DEVICE);
+	const auto hBMPProcess = Ut::GetHBITMAP(IDB_PROCESS);
 	MENUITEMINFOW mii { .cbSize { sizeof(MENUITEMINFOW) }, .fMask { MIIM_BITMAP }, .hbmpItem { hBMPFile } };
 	const auto pFileMenu = pMainFrame->GetMenu()->GetSubMenu(0); //"File" sub-menu.
 	pFileMenu->SetMenuItemInfoW(1, &mii, TRUE); //Icon for the "Open File..." menu.

Hexer/CHexerDoc.cpp

@@ -5,6 +5,7 @@
 * This software is available under "The Hexer License", see the LICENSE file.  *
 *******************************************************************************/
 #include "stdafx.h"
+#include "resource.h"
 #include "CHexerApp.h"
 #include "CMainFrame.h"
 #include "CChildFrame.h"
@@ -45,6 +46,11 @@ auto CHexerDoc::GetDataSize()const->std::uint64_t
 	return m_stDataLoader.GetDataSize();
 }
 
+auto CHexerDoc::GetDocIcon()const->HICON
+{
+	return m_hDocIcon;
+}
+
 auto CHexerDoc::GetMaxVirtOffset()const->std::uint64_t
 {
 	return m_stDataLoader.GetMaxVirtOffset();
@@ -101,6 +107,21 @@ bool CHexerDoc::OnOpenDocument(const Ut::DATAOPEN& dos)
 	m_strPathName = GetUniqueDocName(dos).data();
 	m_bEmbedded = FALSE;
 	SetTitle(GetDocTitle(dos).data());
+	const auto iResID = [this]() {
+		using enum Ut::EOpenMode;
+		switch (GetOpenMode()) {
+		case OPEN_FILE:
+		case NEW_FILE:
+			return IDB_FILE;
+		case OPEN_DEVICE:
+			return IDB_DEVICE;
+		case OPEN_PROC:
+			return IDB_PROCESS;
+		default:
+			return 0;
+		}
+		}();
+	m_hDocIcon = Ut::HICONfromHBITMAP(Ut::GetHBITMAP(iResID));
 	m_fOpened = true;
 
 	return true;

Hexer/CHexerDoc.h

@@ -19,6 +19,7 @@ class CHexerDoc final : public CDocument {
 	[[nodiscard]] auto GetFileName()const->const std::wstring&;
 	[[nodiscard]] auto GetDataPath()const->const std::wstring&;
 	[[nodiscard]] auto GetDataSize()const->std::uint64_t;
+	[[nodiscard]] auto GetDocIcon()const->HICON;
 	[[nodiscard]] auto GetMaxVirtOffset()const->std::uint64_t;
 	[[nodiscard]] auto GetMemPageSize()const->DWORD;
 	[[nodiscard]] auto GetOpenMode()const->Ut::EOpenMode;
@@ -41,5 +42,6 @@ class CHexerDoc final : public CDocument {
 	std::wstring m_wstrDataPath;
 	std::wstring m_wstrFileName;
 	Ut::EOpenMode m_eOpenMode { }; //Document open mode.
+	HICON m_hDocIcon { };     //Document icon.
 	bool m_fOpened { false }; //Document was successfully opened or not.
 };

Hexer/CHexerView.h

@@ -17,11 +17,11 @@ class CHexerView final : public CView {
 public:
 	[[nodiscard]] auto GetDataInfo()const->Ut::DATAINFO;
 	[[nodiscard]] auto GetDlgProcMemory()const->HWND;
+	[[nodiscard]] auto GetDocument()const->CHexerDoc*;
 	[[nodiscard]] auto GetHexCtrl()const->HEXCTRL::IHexCtrl*;
 	[[nodiscard]] auto GetHWNDForPane(UINT uPaneID) -> HWND;
 private:
 	[[nodiscard]] auto GetChildFrame()const->CChildFrame*;
-	[[nodiscard]] auto GetDocument()const->CHexerDoc*;
 	[[nodiscard]] auto GetMainFrame()const->CMainFrame*;
 	[[nodiscard]] bool IsPaneAlreadyLaunch(UINT uPaneID)const;
 	void OnActivateView(BOOL bActivate, CView* pActivateView, CView* pDeactiveView)override;

Hexer/CMainFrame.cpp

@@ -373,7 +373,7 @@ int CMainFrame::OnCreate(LPCREATESTRUCT lpcs)
 	CMDITabInfo mdiTabParams { };
 	mdiTabParams.m_style = CMFCTabCtrl::STYLE_3D_ONENOTE; // other styles available...
 	mdiTabParams.m_bActiveTabCloseButton = TRUE;          // set to FALSE to place close button at right of tab area
-	mdiTabParams.m_bTabIcons = FALSE;     //set to TRUE to enable document icons on MDI taba
+	mdiTabParams.m_bTabIcons = TRUE;      //set to TRUE to enable document icons on MDI taba
 	mdiTabParams.m_bAutoColor = FALSE;    //set to FALSE to disable auto-coloring of MDI tabs
 	mdiTabParams.m_bDocumentMenu = FALSE; //enable the document menu at the right edge of the tab area
 	mdiTabParams.m_bFlatFrame = TRUE;

Hexer/Utility.ixx

@@ -126,6 +126,25 @@ export namespace Ut {
 		return wstrPath;
 	};
 
+	[[nodiscard]] auto GetHBITMAP(int iResID) -> HBITMAP {
+		const auto iSizeIcon = static_cast<int>(16 * Ut::GetHiDPIInfo().flDPIScale);
+		return static_cast<HBITMAP>(LoadImageW(AfxGetInstanceHandle(), MAKEINTRESOURCEW(iResID),
+			IMAGE_BITMAP, iSizeIcon, iSizeIcon, LR_CREATEDIBSECTION));
+	}
+
+	[[nodiscard]] auto HICONfromHBITMAP(HBITMAP hbmp) -> HICON {
+		BITMAP stBmp;
+		if (!GetObjectW(hbmp, sizeof(BITMAP), &stBmp))
+			return { };
+
+		const auto hbmpMask = CreateCompatibleBitmap(::GetDC(nullptr), stBmp.bmWidth, stBmp.bmHeight);
+		ICONINFO ii { .fIcon { TRUE }, .hbmMask { hbmpMask }, .hbmColor { hbmp } };
+		auto hICO = CreateIconIndirect(&ii);
+		DeleteObject(hbmpMask);
+
+		return hICO;
+	}
+
 	struct DATAOPEN { //Main data opening struct.
 		std::wstring  wstrDataPath; //Or Process name.
 		std::uint64_t ullNewFileSize { };