119 lines
2.8 KiB
C++
119 lines
2.8 KiB
C++
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#include "main.h"
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#include "./commandbar.h"
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typedef struct _CMDBAR
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{
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HWND hwndOwner;
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DLGPROC fnDlgProc;
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ULONG_PTR uData;
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} CMDBAR;
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#define GetBarData(/*HWND*/ __hwndCmdBar) ((CMDBAR*)GetPropW((__hwndCmdBar), L"MLDISCCMDBAR"))
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static BOOL CommandBar_OnInitDialog(HWND hdlg, HWND hwndFocus, LPARAM lParam)
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{
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CMDBARCREATESTRUCT *pcbcs = (CMDBARCREATESTRUCT*)lParam;
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if (pcbcs && pcbcs->fnDialogProc)
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{
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CMDBAR *pcb = (CMDBAR*)calloc(1, sizeof(CMDBAR));
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if (pcb)
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{
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pcb->fnDlgProc = pcbcs->fnDialogProc;
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pcb->hwndOwner = pcbcs->hwndOwner;
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pcb->uData = pcbcs->uData;
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if (!SetPropW(hdlg, L"MLDISCCMDBAR", (HANDLE)pcb))
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{
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free(pcb);
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DestroyWindow(hdlg);
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}
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else return pcbcs->fnDialogProc(hdlg, WM_INITDIALOG, (WPARAM)hwndFocus, pcbcs->uData);
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}
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}
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return FALSE;
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}
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static void CommandBar_OnDestroy(HWND hdlg)
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{
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CMDBAR *pcb = GetBarData(hdlg);
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if (pcb)
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{
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RemovePropW(hdlg, L"MLDISCCMDBAR");
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free(pcb);
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}
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}
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static BOOL CALLBACK CommandBar_EnumChildHeight(HWND hwnd, LPARAM param)
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{
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if (!param) return FALSE;
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HDC hdc = GetDCEx(hwnd, NULL, DCX_CACHE);
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if (hdc)
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{
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HFONT hf = (HFONT)SendMessageW(hwnd, WM_GETFONT, 0, 0L);
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if (NULL == hf) hf = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
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if (NULL != hf)
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{
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TEXTMETRICW tm = {0};
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HFONT hfo = (HFONT)SelectObject(hdc, hf);
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if (GetTextMetricsW(hdc, &tm))
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{
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INT *pmh = (INT*)param;
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if (tm.tmHeight > *pmh) *pmh = tm.tmHeight;
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}
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SelectObject(hdc, hfo);
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}
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ReleaseDC(hwnd, hdc);
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}
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return TRUE;
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}
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static INT CommandBar_OnGetBestHeight(HWND hwnd)
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{
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INT maxHeight = 0;
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EnumChildWindows(hwnd, CommandBar_EnumChildHeight, (LPARAM)&maxHeight);
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if (maxHeight != 0) maxHeight += 2;
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return maxHeight;
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}
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INT_PTR CALLBACK CommandBar_DialogProc(HWND hdlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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CMDBAR *pcb = GetBarData(hdlg);
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if (!pcb)
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{
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if (WM_INITDIALOG == uMsg) return CommandBar_OnInitDialog(hdlg, (HWND)wParam, lParam);
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return 0;
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}
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if (pcb->fnDlgProc(hdlg, uMsg, wParam, lParam))
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{
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if (WM_DESTROY == uMsg) CommandBar_OnDestroy(hdlg);
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return TRUE;
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}
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switch(uMsg)
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{
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case WM_DESTROY: CommandBar_OnDestroy(hdlg); return TRUE;
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case WM_COMMAND:
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if (pcb->hwndOwner) SendMessageW(pcb->hwndOwner, uMsg, wParam, lParam); return TRUE;
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break;
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case CBM_GETBESTHEIGHT: MSGRESULT(hdlg, CommandBar_OnGetBestHeight(hdlg));
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case CBM_GETOWNER: MSGRESULT(hdlg, pcb->hwndOwner);
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case CBM_SETOWNER:
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SetWindowLongPtrW(hdlg, DWLP_MSGRESULT, (LONGX86)(LONG_PTR)pcb->hwndOwner);
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pcb->hwndOwner = (HWND)lParam;
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return TRUE;
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case CBM_GETDATA:
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{
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CMDBAR *pBar = GetBarData(hdlg);
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MSGRESULT(hdlg, (pBar) ? pBar->uData : NULL);
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}
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case CBM_SETDATA:
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{
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CMDBAR *pBar = GetBarData(hdlg);
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if (pBar) pBar->uData = (ULONG_PTR)lParam;
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MSGRESULT(hdlg, (NULL != pBar));
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}
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}
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return 0;
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}
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