66 lines
1.3 KiB
Go
66 lines
1.3 KiB
Go
// 29 july 2014
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package ui
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import (
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"fmt"
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"reflect"
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"unsafe"
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)
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// #include "objc_darwin.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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// TODO kludge
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table C.id
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}
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func finishNewTable(b *tablebase, ty reflect.Type) Table {
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id := C.newTable()
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t := &table{
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widgetbase: newWidget(C.newScrollView(id)),
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tablebase: b,
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table: id,
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}
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C.tableMakeDataSource(t.table, unsafe.Pointer(t))
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for i := 0; i < ty.NumField(); i++ {
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cname := C.CString(ty.Field(i).Name)
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C.tableAppendColumn(t.table, cname)
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C.free(unsafe.Pointer(cname)) // free now (not deferred) to conserve memory
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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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// not sure about this one...
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t.RLock()
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defer t.RUnlock()
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C.tableUpdate(t.table)
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}
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//export goTableDataSource_getValue
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func goTableDataSource_getValue(data unsafe.Pointer, row C.intptr_t, col C.intptr_t) *C.char {
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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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return C.CString(s)
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}
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//export goTableDataSource_getRowCount
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func goTableDataSource_getRowCount(data unsafe.Pointer) C.intptr_t {
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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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return C.intptr_t(d.Len())
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}
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