90 lines
1.9 KiB
Go
90 lines
1.9 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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*tablebase
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_id C.id
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scroller *scroller
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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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_id: id,
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scroller: newScroller(id, true), // border on Table
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tablebase: b,
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}
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C.tableMakeDataSource(t._id, 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._id, C.intptr_t(i), 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._id)
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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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func (t *table) id() C.id {
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return t._id
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}
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func (t *table) setParent(p *controlParent) {
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t.scroller.setParent(p)
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}
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func (t *table) allocate(x int, y int, width int, height int, d *sizing) []*allocation {
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return baseallocate(t, x, y, width, height, d)
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}
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func (t *table) preferredSize(d *sizing) (width, height int) {
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s := C.tablePreferredSize(t._id)
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return int(s.width), int(s.height)
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}
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func (t *table) commitResize(c *allocation, d *sizing) {
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t.scroller.commitResize(c, d)
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}
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func (t *table) getAuxResizeInfo(d *sizing) {
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basegetAuxResizeInfo(t, d)
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}
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