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// 11 february 2014
package main
import (
"fmt"
"sync"
)
// I need a way to get a sysData for a given HWND or a given HWND/control ID. So, this.
type sdcEntry struct {
s *sysData
members map[_HMENU]*sysData
}
var (
sysDatas = map[_HWND]*sdcEntry{}
sysDatasLock sync.Mutex
)
// MUST HAVE LOCKED BEFORE CALLING
func addSysData(hwnd _HWND, s *sysData) {
sysDatas[hwnd] = &sdcEntry{
s: s,
members: map[_HMENU]*sysData{},
}
}
// MUST HAVE LOCKED BEFORE CALLING
func addIDSysData(hwnd _HWND, id _HMENU, s *sysData) {
if ss, ok := sysDatas[hwnd]; ok {
ss.members[id] = s
}
panic(fmt.Sprintf("adding ID %d to nonexistent HWND %d\n", id, hwnd))
}
func getSysData(hwnd _HWND) *sysData {
sysDatasLock.Lock()
defer sysDatasLock.Unlock()
if ss, ok := sysDatas[hwnd]; ok {
return ss.s
}
panic(fmt.Sprintf("getting nonexistent HWND %d\n", hwnd))
}
func getIDSysData(hwnd _HWND, id _HMENU) *sysData {
sysDatasLock.Lock()
defer sysDatasLock.Unlock()
if ss, ok := sysDatas[hwnd]; ok {
if xx, ok := ss.members[id]; ok {
return xx
}
panic(fmt.Sprintf("getting nonexistent ID %d for HWND %d\n", id, hwnd))
}
panic(fmt.Sprintf("getting nonexistent HWND %d\n", hwnd))
}
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