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#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;
}
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