1 files changed, 119 insertions, 0 deletions
diff --git a/Src/Plugins/Library/ml_disc/commandbar.cpp b/Src/Plugins/Library/ml_disc/commandbar.cpp
new file mode 100644
index 00000000..ef560c68
--- /dev/null
+++ b/Src/Plugins/Library/ml_disc/commandbar.cpp
@@ -0,0 +1,119 @@
+#include "main.h"
+#include "./commandbar.h"
+
+typedef struct _CMDBAR
+{
+	HWND			hwndOwner;
+	DLGPROC		fnDlgProc;
+	ULONG_PTR	uData;
+} CMDBAR;
+
+#define GetBarData(/*HWND*/ __hwndCmdBar) ((CMDBAR*)GetPropW((__hwndCmdBar), L"MLDISCCMDBAR"))
+
+
+static BOOL CommandBar_OnInitDialog(HWND hdlg, HWND hwndFocus, LPARAM lParam)
+{
+	CMDBARCREATESTRUCT *pcbcs = (CMDBARCREATESTRUCT*)lParam;
+	if (pcbcs && pcbcs->fnDialogProc)
+	{
+		CMDBAR *pcb = (CMDBAR*)calloc(1, sizeof(CMDBAR));
+		if (pcb)
+		{
+			pcb->fnDlgProc = pcbcs->fnDialogProc;
+			pcb->hwndOwner = pcbcs->hwndOwner;
+			pcb->uData = pcbcs->uData;
+			if (!SetPropW(hdlg, L"MLDISCCMDBAR", (HANDLE)pcb)) 
+			{
+				free(pcb);
+				DestroyWindow(hdlg);
+			}
+			else return pcbcs->fnDialogProc(hdlg, WM_INITDIALOG, (WPARAM)hwndFocus, pcbcs->uData);
+		}
+	}
+	return FALSE;
+}
+
+static void CommandBar_OnDestroy(HWND hdlg)
+{
+	CMDBAR *pcb = GetBarData(hdlg);
+	if (pcb)
+	{
+		RemovePropW(hdlg, L"MLDISCCMDBAR");
+		free(pcb);
+	}
+}
+
+static BOOL CALLBACK CommandBar_EnumChildHeight(HWND hwnd, LPARAM param)
+{
+	if (!param) return FALSE;
+	HDC hdc = GetDCEx(hwnd, NULL, DCX_CACHE);
+	if (hdc)
+	{
+		HFONT hf = (HFONT)SendMessageW(hwnd, WM_GETFONT, 0, 0L);
+		if (NULL == hf) hf = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
+		if (NULL != hf)
+		{
+			TEXTMETRICW tm = {0};
+			HFONT hfo = (HFONT)SelectObject(hdc, hf);
+			if (GetTextMetricsW(hdc, &tm)) 
+			{
+				INT *pmh = (INT*)param;
+				if (tm.tmHeight > *pmh) *pmh = tm.tmHeight;
+			}
+			SelectObject(hdc, hfo);
+		}
+		ReleaseDC(hwnd, hdc);
+	}
+	return TRUE;
+
+}
+static INT CommandBar_OnGetBestHeight(HWND hwnd)
+{
+	INT maxHeight = 0;
+	EnumChildWindows(hwnd, CommandBar_EnumChildHeight, (LPARAM)&maxHeight);
+	if (maxHeight != 0) maxHeight += 2;
+	return maxHeight;
+}
+
+INT_PTR CALLBACK CommandBar_DialogProc(HWND hdlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+	CMDBAR *pcb = GetBarData(hdlg);
+	if (!pcb)
+	{
+		if (WM_INITDIALOG == uMsg) return CommandBar_OnInitDialog(hdlg, (HWND)wParam, lParam);
+		return 0;
+	}
+	if (pcb->fnDlgProc(hdlg, uMsg, wParam, lParam)) 
+	{
+		if (WM_DESTROY == uMsg) CommandBar_OnDestroy(hdlg);
+		return TRUE;
+	}
+
+	switch(uMsg)
+	{
+		case WM_DESTROY: CommandBar_OnDestroy(hdlg); return TRUE;
+		case WM_COMMAND:
+			if (pcb->hwndOwner) SendMessageW(pcb->hwndOwner, uMsg, wParam, lParam); return TRUE;
+			break;
+				
+		case CBM_GETBESTHEIGHT: MSGRESULT(hdlg, CommandBar_OnGetBestHeight(hdlg));
+		case CBM_GETOWNER:		MSGRESULT(hdlg, pcb->hwndOwner);
+		case CBM_SETOWNER:		
+			SetWindowLongPtrW(hdlg, DWLP_MSGRESULT, (LONGX86)(LONG_PTR)pcb->hwndOwner);
+			pcb->hwndOwner = (HWND)lParam;
+			return TRUE;
+		case CBM_GETDATA:
+			{
+				CMDBAR *pBar = GetBarData(hdlg);
+				MSGRESULT(hdlg, (pBar) ? pBar->uData : NULL);
+			}
+		case CBM_SETDATA:
+			{
+				CMDBAR *pBar = GetBarData(hdlg);
+				if (pBar) pBar->uData = (ULONG_PTR)lParam;
+				MSGRESULT(hdlg, (NULL != pBar));
+			}
+			
+	}
+	return 0;
+}
+\ No newline at end of file