56 lines
1.7 KiB
Go
56 lines
1.7 KiB
Go
// 28 july 2014
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package ui
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import (
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"fmt"
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"unsafe"
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"reflect"
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)
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// #include "winapi_windows.h"
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import "C"
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type table struct {
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*widgetbase
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*tablebase
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}
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func finishNewTable(b *tablebase, ty reflect.Type) Table {
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t := &table{
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widgetbase: newWidget(C.xWC_LISTVIEW,
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C.LVS_REPORT | C.LVS_OWNERDATA | C.LVS_NOSORTHEADER | C.LVS_SHOWSELALWAYS | C.WS_HSCROLL | C.WS_VSCROLL,
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C.WS_EX_CLIENTEDGE), // WS_EX_CLIENTEDGE without WS_BORDER will show the canonical visual styles border (thanks to MindChild in irc.efnet.net/#winprog)
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tablebase: b,
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}
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C.setTableSubclass(t.hwnd, unsafe.Pointer(t))
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// LVS_EX_FULLROWSELECT gives us selection across the whole row, not just the leftmost column; this makes the list view work like on other platforms
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// LVS_EX_SUBITEMIMAGES gives us images in subitems, which will be important when both images and checkboxes are added
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C.tableAddExtendedStyles(t.hwnd, C.LVS_EX_FULLROWSELECT | C.LVS_EX_SUBITEMIMAGES)
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for i := 0; i < ty.NumField(); i++ {
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C.tableAppendColumn(t.hwnd, C.int(i), toUTF16(ty.Field(i).Name))
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}
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return t
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}
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func (t *table) Unlock() {
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t.unlock()
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// TODO RACE CONDITION HERE
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// I think there's a way to set the item count without causing a refetch of data that works around this...
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t.RLock()
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defer t.RUnlock()
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C.tableUpdate(t.hwnd, C.int(reflect.Indirect(reflect.ValueOf(t.data)).Len()))
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}
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//export tableGetCellText
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func tableGetCellText(data unsafe.Pointer, row C.int, col C.int, str *C.LPWSTR) {
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t := (*table)(data)
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t.RLock()
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defer t.RUnlock()
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d := reflect.Indirect(reflect.ValueOf(t.data))
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datum := d.Index(int(row)).Field(int(col))
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s := fmt.Sprintf("%v", datum)
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// TODO get rid of conversions
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*str = C.LPWSTR(unsafe.Pointer(toUTF16(s)))
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}
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