1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
// 28 july 2014
package ui
import (
"fmt"
"unsafe"
"reflect"
)
// #include "winapi_windows.h"
import "C"
type table struct {
*widgetbase
*tablebase
}
func finishNewTable(b *tablebase, ty reflect.Type) Table {
t := &table{
widgetbase: newWidget(C.xWC_LISTVIEW,
C.LVS_REPORT | C.LVS_OWNERDATA | C.LVS_NOSORTHEADER | C.LVS_SHOWSELALWAYS | C.WS_HSCROLL | C.WS_VSCROLL,
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)
tablebase: b,
}
C.setTableSubclass(t.hwnd, unsafe.Pointer(t))
// 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
// LVS_EX_SUBITEMIMAGES gives us images in subitems, which will be important when both images and checkboxes are added
C.tableAddExtendedStyles(t.hwnd, C.LVS_EX_FULLROWSELECT | C.LVS_EX_SUBITEMIMAGES)
for i := 0; i < ty.NumField(); i++ {
C.tableAppendColumn(t.hwnd, C.int(i), toUTF16(ty.Field(i).Name))
}
return t
}
func (t *table) Unlock() {
t.unlock()
// TODO RACE CONDITION HERE
// I think there's a way to set the item count without causing a refetch of data that works around this...
t.RLock()
defer t.RUnlock()
C.tableUpdate(t.hwnd, C.int(reflect.Indirect(reflect.ValueOf(t.data)).Len()))
}
//export tableGetCellText
func tableGetCellText(data unsafe.Pointer, row C.int, col C.int, str *C.LPWSTR) {
t := (*table)(data)
t.RLock()
defer t.RUnlock()
d := reflect.Indirect(reflect.ValueOf(t.data))
datum := d.Index(int(row)).Field(int(col))
s := fmt.Sprintf("%v", datum)
// TODO get rid of conversions
*str = C.LPWSTR(unsafe.Pointer(toUTF16(s)))
}
|
