Function NewTableViewWithCfg

tableview.go:146–330

NewTableViewWithCfg creates and returns a *TableView as child of the specified Container and with the provided additional configuration.

(parent Container, cfg *TableViewCfg)

// NewTableViewWithCfg creates and returns a *TableView as child of the specified
// Container and with the provided additional configuration.
func NewTableViewWithCfg(parent Container, cfg *TableViewCfg) (*TableView, error) {
	tv := &TableView{
		imageUintptr2Index:          make(map[uintptr]int32),
		filePath2IconIndex:          make(map[string]int32),
		formActivatingHandle:        -1,
		customHeaderHeight:          cfg.CustomHeaderHeight,
		customRowHeight:             cfg.CustomRowHeight,
		scrollbarOrientation:        Horizontal | Vertical,
		restoringCurrentItemOnReset: true,
	}

	tv.columns = newTableViewColumnList(tv)

	if err := InitWidget(
		tv,
		parent,
		tableViewWindowClass,
		win.WS_BORDER|win.WS_VISIBLE,
		win.WS_EX_CONTROLPARENT); err != nil {
		return nil, err
	}

	succeeded := false
	defer func() {
		if !succeeded {
			tv.Dispose()
		}
	}()

	var rowHeightStyle uint32
	if cfg.CustomRowHeight > 0 {
		rowHeightStyle = win.LVS_OWNERDRAWFIXED
	}

	if tv.hwndFrozenLV = win.CreateWindowEx(
		0,
		syscall.StringToUTF16Ptr("SysListView32"),
		nil,
		win.WS_CHILD|win.WS_CLIPSIBLINGS|win.WS_TABSTOP|win.WS_VISIBLE|win.LVS_OWNERDATA|win.LVS_REPORT|cfg.Style|rowHeightStyle,
		win.CW_USEDEFAULT,
		win.CW_USEDEFAULT,
		win.CW_USEDEFAULT,
		win.CW_USEDEFAULT,
		tv.hWnd,
		0,
		0,
		nil,
	); tv.hwndFrozenLV == 0 {
		return nil, newError("creating frozen lv failed")
	}

	tv.frozenLVOrigWndProcPtr = win.SetWindowLongPtr(tv.hwndFrozenLV, win.GWLP_WNDPROC, tableViewFrozenLVWndProcPtr)
	if tv.frozenLVOrigWndProcPtr == 0 {
		return nil, lastError("SetWindowLongPtr")
	}

	tv.hwndFrozenHdr = win.HWND(win.SendMessage(tv.hwndFrozenLV, win.LVM_GETHEADER, 0, 0))
	tv.frozenHdrOrigWndProcPtr = win.SetWindowLongPtr(tv.hwndFrozenHdr, win.GWLP_WNDPROC, tableViewHdrWndProcPtr)