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mirror of https://github.com/AvengeMedia/DankMaterialShell.git synced 2025-12-06 05:25:41 -05:00
Files
DankMaterialShell/core/internal/server/dwl/manager.go
2025-11-16 14:24:56 -05:00

523 lines
12 KiB
Go

package dwl
import (
"fmt"
"time"
wlclient "github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/wayland/client"
"github.com/AvengeMedia/DankMaterialShell/core/internal/log"
"github.com/AvengeMedia/DankMaterialShell/core/internal/proto/dwl_ipc"
)
func NewManager(display *wlclient.Display) (*Manager, error) {
m := &Manager{
display: display,
ctx: display.Context(),
cmdq: make(chan cmd, 128),
outputSetupReq: make(chan uint32, 16),
stopChan: make(chan struct{}),
dirty: make(chan struct{}, 1),
layouts: make([]string, 0),
}
if err := m.setupRegistry(); err != nil {
return nil, err
}
m.updateState()
m.notifierWg.Add(1)
go m.notifier()
m.wg.Add(1)
go m.waylandActor()
return m, nil
}
func (m *Manager) post(fn func()) {
select {
case m.cmdq <- cmd{fn: fn}:
default:
log.Warn("DWL actor command queue full, dropping command")
}
}
func (m *Manager) waylandActor() {
defer m.wg.Done()
for {
select {
case <-m.stopChan:
return
case c := <-m.cmdq:
c.fn()
case outputID := <-m.outputSetupReq:
out, exists := m.outputs.Load(outputID)
if !exists {
log.Warnf("DWL: Output %d no longer exists, skipping setup", outputID)
continue
}
if out.ipcOutput != nil {
continue
}
mgr, ok := m.manager.(*dwl_ipc.ZdwlIpcManagerV2)
if !ok || mgr == nil {
log.Errorf("DWL: Manager not available for output %d setup", outputID)
continue
}
log.Infof("DWL: Setting up ipcOutput for dynamically added output %d", outputID)
if err := m.setupOutput(mgr, out.output); err != nil {
log.Errorf("DWL: Failed to setup output %d: %v", outputID, err)
} else {
m.updateState()
}
}
}
}
func (m *Manager) setupRegistry() error {
log.Info("DWL: starting registry setup")
registry, err := m.display.GetRegistry()
if err != nil {
return fmt.Errorf("failed to get registry: %w", err)
}
m.registry = registry
outputs := make([]*wlclient.Output, 0)
outputRegNames := make(map[uint32]uint32)
var dwlMgr *dwl_ipc.ZdwlIpcManagerV2
registry.SetGlobalHandler(func(e wlclient.RegistryGlobalEvent) {
switch e.Interface {
case dwl_ipc.ZdwlIpcManagerV2InterfaceName:
log.Infof("DWL: found %s", dwl_ipc.ZdwlIpcManagerV2InterfaceName)
manager := dwl_ipc.NewZdwlIpcManagerV2(m.ctx)
version := e.Version
if version > 2 {
version = 2
}
if err := registry.Bind(e.Name, e.Interface, version, manager); err == nil {
dwlMgr = manager
log.Info("DWL: manager bound successfully")
// Set handlers immediately after binding, before roundtrips
manager.SetTagsHandler(func(e dwl_ipc.ZdwlIpcManagerV2TagsEvent) {
log.Infof("DWL: Tags count: %d", e.Amount)
m.tagCount = e.Amount
m.updateState()
})
manager.SetLayoutHandler(func(e dwl_ipc.ZdwlIpcManagerV2LayoutEvent) {
log.Infof("DWL: Layout: %s", e.Name)
m.layouts = append(m.layouts, e.Name)
m.updateState()
})
} else {
log.Errorf("DWL: failed to bind manager: %v", err)
}
case "wl_output":
log.Debugf("DWL: found wl_output (name=%d)", e.Name)
output := wlclient.NewOutput(m.ctx)
outState := &outputState{
registryName: e.Name,
output: output,
tags: make([]TagState, 0),
}
output.SetNameHandler(func(ev wlclient.OutputNameEvent) {
log.Debugf("DWL: Output name: %s (registry=%d)", ev.Name, e.Name)
outState.name = ev.Name
})
output.SetDescriptionHandler(func(ev wlclient.OutputDescriptionEvent) {
log.Debugf("DWL: Output description: %s", ev.Description)
})
version := e.Version
if version > 4 {
version = 4
}
if err := registry.Bind(e.Name, e.Interface, version, output); err == nil {
outputID := output.ID()
outState.id = outputID
log.Infof("DWL: Bound wl_output id=%d registry_name=%d", outputID, e.Name)
outputs = append(outputs, output)
outputRegNames[outputID] = e.Name
m.outputs.Store(outputID, outState)
if m.manager != nil {
select {
case m.outputSetupReq <- outputID:
log.Debugf("DWL: Queued setup for output %d", outputID)
default:
log.Warnf("DWL: Setup queue full, output %d will not be initialized", outputID)
}
}
} else {
log.Errorf("DWL: Failed to bind wl_output: %v", err)
}
}
})
registry.SetGlobalRemoveHandler(func(e wlclient.RegistryGlobalRemoveEvent) {
m.post(func() {
var outToRelease *outputState
m.outputs.Range(func(id uint32, out *outputState) bool {
if out.registryName == e.Name {
log.Infof("DWL: Output %d removed", id)
outToRelease = out
m.outputs.Delete(id)
return false
}
return true
})
if outToRelease != nil {
if ipcOut, ok := outToRelease.ipcOutput.(*dwl_ipc.ZdwlIpcOutputV2); ok && ipcOut != nil {
m.wlMutex.Lock()
ipcOut.Release()
m.wlMutex.Unlock()
log.Debugf("DWL: Released ipcOutput for removed output %d", outToRelease.id)
}
m.updateState()
}
})
})
if err := m.display.Roundtrip(); err != nil {
return fmt.Errorf("first roundtrip failed: %w", err)
}
if err := m.display.Roundtrip(); err != nil {
return fmt.Errorf("second roundtrip failed: %w", err)
}
if dwlMgr == nil {
log.Info("DWL: manager not found in registry")
return fmt.Errorf("dwl_ipc_manager_v2 not available")
}
m.manager = dwlMgr
for _, output := range outputs {
if err := m.setupOutput(dwlMgr, output); err != nil {
log.Warnf("DWL: Failed to setup output %d: %v", output.ID(), err)
}
}
if err := m.display.Roundtrip(); err != nil {
return fmt.Errorf("final roundtrip failed: %w", err)
}
log.Info("DWL: registry setup complete")
return nil
}
func (m *Manager) setupOutput(manager *dwl_ipc.ZdwlIpcManagerV2, output *wlclient.Output) error {
m.wlMutex.Lock()
ipcOutput, err := manager.GetOutput(output)
m.wlMutex.Unlock()
if err != nil {
return fmt.Errorf("failed to get dwl output: %w", err)
}
outState, exists := m.outputs.Load(output.ID())
if !exists {
return fmt.Errorf("output state not found for id %d", output.ID())
}
outState.ipcOutput = ipcOutput
ipcOutput.SetActiveHandler(func(e dwl_ipc.ZdwlIpcOutputV2ActiveEvent) {
outState.active = e.Active
})
ipcOutput.SetTagHandler(func(e dwl_ipc.ZdwlIpcOutputV2TagEvent) {
updated := false
for i, tag := range outState.tags {
if tag.Tag == e.Tag {
outState.tags[i] = TagState{
Tag: e.Tag,
State: e.State,
Clients: e.Clients,
Focused: e.Focused,
}
updated = true
break
}
}
if !updated {
outState.tags = append(outState.tags, TagState{
Tag: e.Tag,
State: e.State,
Clients: e.Clients,
Focused: e.Focused,
})
}
m.updateState()
})
ipcOutput.SetLayoutHandler(func(e dwl_ipc.ZdwlIpcOutputV2LayoutEvent) {
outState.layout = e.Layout
})
ipcOutput.SetTitleHandler(func(e dwl_ipc.ZdwlIpcOutputV2TitleEvent) {
outState.title = e.Title
})
ipcOutput.SetAppidHandler(func(e dwl_ipc.ZdwlIpcOutputV2AppidEvent) {
outState.appID = e.Appid
})
ipcOutput.SetLayoutSymbolHandler(func(e dwl_ipc.ZdwlIpcOutputV2LayoutSymbolEvent) {
outState.layoutSymbol = e.Layout
})
ipcOutput.SetKbLayoutHandler(func(e dwl_ipc.ZdwlIpcOutputV2KbLayoutEvent) {
outState.kbLayout = e.KbLayout
})
ipcOutput.SetKeymodeHandler(func(e dwl_ipc.ZdwlIpcOutputV2KeymodeEvent) {
outState.keymode = e.Keymode
})
ipcOutput.SetFrameHandler(func(e dwl_ipc.ZdwlIpcOutputV2FrameEvent) {
m.updateState()
})
return nil
}
func (m *Manager) updateState() {
outputs := make(map[string]*OutputState)
activeOutput := ""
m.outputs.Range(func(key uint32, out *outputState) bool {
name := out.name
if name == "" {
name = fmt.Sprintf("output-%d", out.id)
}
tagsCopy := make([]TagState, len(out.tags))
copy(tagsCopy, out.tags)
outputs[name] = &OutputState{
Name: name,
Active: out.active,
Tags: tagsCopy,
Layout: out.layout,
LayoutSymbol: out.layoutSymbol,
Title: out.title,
AppID: out.appID,
KbLayout: out.kbLayout,
Keymode: out.keymode,
}
if out.active != 0 {
activeOutput = name
}
return true
})
newState := State{
Outputs: outputs,
TagCount: m.tagCount,
Layouts: m.layouts,
ActiveOutput: activeOutput,
}
m.stateMutex.Lock()
m.state = &newState
m.stateMutex.Unlock()
m.notifySubscribers()
}
func (m *Manager) notifier() {
defer m.notifierWg.Done()
const minGap = 100 * time.Millisecond
timer := time.NewTimer(minGap)
timer.Stop()
var pending bool
for {
select {
case <-m.stopChan:
timer.Stop()
return
case <-m.dirty:
if pending {
continue
}
pending = true
timer.Reset(minGap)
case <-timer.C:
if !pending {
continue
}
currentState := m.GetState()
if m.lastNotified != nil && !stateChanged(m.lastNotified, &currentState) {
pending = false
continue
}
m.subscribers.Range(func(key string, ch chan State) bool {
select {
case ch <- currentState:
default:
log.Warn("DWL: subscriber channel full, dropping update")
}
return true
})
stateCopy := currentState
m.lastNotified = &stateCopy
pending = false
}
}
}
func (m *Manager) ensureOutputSetup(out *outputState) error {
if out.ipcOutput != nil {
return nil
}
return fmt.Errorf("output not yet initialized - setup in progress, retry in a moment")
}
func (m *Manager) SetTags(outputName string, tagmask uint32, toggleTagset uint32) error {
availableOutputs := make([]string, 0)
var targetOut *outputState
m.outputs.Range(func(key uint32, out *outputState) bool {
name := out.name
if name == "" {
name = fmt.Sprintf("output-%d", out.id)
}
availableOutputs = append(availableOutputs, name)
if name == outputName {
targetOut = out
return false
}
return true
})
if targetOut == nil {
return fmt.Errorf("output not found: %s (available: %v)", outputName, availableOutputs)
}
if err := m.ensureOutputSetup(targetOut); err != nil {
return fmt.Errorf("failed to setup output %s: %w", outputName, err)
}
ipcOut, ok := targetOut.ipcOutput.(*dwl_ipc.ZdwlIpcOutputV2)
if !ok {
return fmt.Errorf("output %s has invalid ipcOutput type", outputName)
}
m.wlMutex.Lock()
err := ipcOut.SetTags(tagmask, toggleTagset)
m.wlMutex.Unlock()
return err
}
func (m *Manager) SetClientTags(outputName string, andTags uint32, xorTags uint32) error {
var targetOut *outputState
m.outputs.Range(func(key uint32, out *outputState) bool {
name := out.name
if name == "" {
name = fmt.Sprintf("output-%d", out.id)
}
if name == outputName {
targetOut = out
return false
}
return true
})
if targetOut == nil {
return fmt.Errorf("output not found: %s", outputName)
}
if err := m.ensureOutputSetup(targetOut); err != nil {
return fmt.Errorf("failed to setup output %s: %w", outputName, err)
}
ipcOut, ok := targetOut.ipcOutput.(*dwl_ipc.ZdwlIpcOutputV2)
if !ok {
return fmt.Errorf("output %s has invalid ipcOutput type", outputName)
}
m.wlMutex.Lock()
err := ipcOut.SetClientTags(andTags, xorTags)
m.wlMutex.Unlock()
return err
}
func (m *Manager) SetLayout(outputName string, index uint32) error {
var targetOut *outputState
m.outputs.Range(func(key uint32, out *outputState) bool {
name := out.name
if name == "" {
name = fmt.Sprintf("output-%d", out.id)
}
if name == outputName {
targetOut = out
return false
}
return true
})
if targetOut == nil {
return fmt.Errorf("output not found: %s", outputName)
}
if err := m.ensureOutputSetup(targetOut); err != nil {
return fmt.Errorf("failed to setup output %s: %w", outputName, err)
}
ipcOut, ok := targetOut.ipcOutput.(*dwl_ipc.ZdwlIpcOutputV2)
if !ok {
return fmt.Errorf("output %s has invalid ipcOutput type", outputName)
}
m.wlMutex.Lock()
err := ipcOut.SetLayout(index)
m.wlMutex.Unlock()
return err
}
func (m *Manager) Close() {
close(m.stopChan)
m.wg.Wait()
m.notifierWg.Wait()
m.subscribers.Range(func(key string, ch chan State) bool {
close(ch)
m.subscribers.Delete(key)
return true
})
m.outputs.Range(func(key uint32, out *outputState) bool {
if ipcOut, ok := out.ipcOutput.(*dwl_ipc.ZdwlIpcOutputV2); ok {
ipcOut.Release()
}
m.outputs.Delete(key)
return true
})
if mgr, ok := m.manager.(*dwl_ipc.ZdwlIpcManagerV2); ok {
mgr.Release()
}
}