Restructure internal/theme

internal/theme/icons/fallback/icon.go

@@ -0,0 +1,456 @@
+package fallbackIcons
+
+import "bytes"
+import "image"
+import _ "embed"
+import _ "image/png"
+import "git.tebibyte.media/tomo/tomo"
+import "git.tebibyte.media/tomo/tomo/data"
+import "git.tebibyte.media/tomo/tomo/canvas"
+import dataTheme "git.tebibyte.media/tomo/nasin/internal/theme"
+
+//go:embed assets/icons-small.png
+var atlasSmallBytes []byte
+//go:embed assets/icons-large.png
+var atlasLargeBytes []byte
+
+func generateSource (data []byte, width int) map[tomo.Icon] canvas.Texture {
+	atlasImage, _, err := image.Decode(bytes.NewReader(data))
+	if err != nil { panic(err) }
+	atlasTexture := tomo.NewTexture(atlasImage)
+
+	source := make(map[tomo.Icon] canvas.Texture)
+	x := 0
+	y := 0
+	
+	row := func () {
+		x = 0
+		y ++
+	}
+	col := func (id tomo.Icon) {
+		source[id] = atlasTexture.SubTexture(image.Rect (
+			x * width,
+			y * width,
+			(x + 1) * width,
+			(y + 1) * width))
+		x++
+	}
+
+	col(tomo.IconUnknown)
+	col(tomo.Icon("File"))
+
+	row()
+	// actions
+	col(tomo.IconAddressBookNew)
+	col(tomo.IconApplicationExit)
+	col(tomo.IconAppointmentNew)
+	col(tomo.IconCallStart)
+	col(tomo.IconCallStop)
+	col(tomo.IconContactNew)
+	// actions: dialog
+	col(tomo.IconDialogOkay)
+	col(tomo.IconDialogCancel)
+	// actions: edit
+	col(tomo.IconEditClear)
+	col(tomo.IconEditCopy)
+	col(tomo.IconEditCut)
+	col(tomo.IconEditDelete)
+	col(tomo.IconEditFind)
+	col(tomo.IconEditFindReplace)
+	col(tomo.IconEditPaste)
+	col(tomo.IconEditRedo)
+	col(tomo.IconEditSelectAll)
+	col(tomo.IconEditUndo)
+	// actions: file
+	col(tomo.IconFileNew)
+	col(tomo.IconDirectoryNew)
+	col(tomo.IconFileOpen)
+	col(tomo.IconFileOpenRecent)
+	col(tomo.IconFilePageSetup)
+	col(tomo.IconFilePrint)
+	col(tomo.IconFilePrintPreview)
+	col(tomo.IconFilePermissions)
+	col(tomo.IconFileProperties)
+	col(tomo.IconFileRename)
+	col(tomo.IconFileRevert)
+	col(tomo.IconFileSave)
+	col(tomo.IconFileSaveAs)
+	col(tomo.IconFileSend)
+
+	row()
+	// actions: format
+	col(tomo.IconFormatIndentLess)
+	col(tomo.IconFormatIndentMore)
+	col(tomo.IconFormatAlignCenter)
+	col(tomo.IconFormatAlignEven)
+	col(tomo.IconFormatAlignLeft)
+	col(tomo.IconFormatAlignRight)
+	col(tomo.IconFormatTextDirectionLtr)
+	col(tomo.IconFormatTextDirectionRtl)
+	col(tomo.IconFormatTextBold)
+	col(tomo.IconFormatTextItalic)
+	col(tomo.IconFormatTextUnderline)
+	col(tomo.IconFormatTextStrikethrough)
+	// actions: go
+	col(tomo.IconGoBottom)
+	col(tomo.IconGoDown)
+	col(tomo.IconGoFirst)
+	col(tomo.IconGoHome)
+	col(tomo.IconGoJump)
+	col(tomo.IconGoLast)
+	col(tomo.IconGoNext)
+	col(tomo.IconGoPrevious)
+	col(tomo.IconGoTop)
+	col(tomo.IconGoUp)
+	// actions: help
+	col(tomo.IconHelpAbout)
+	col(tomo.IconHelpContents)
+	col(tomo.IconHelpFaq)
+	// actions: insert
+	col(tomo.IconInsertImage)
+	col(tomo.IconInsertLink)
+	col(tomo.IconInsertObject)
+	col(tomo.IconInsertText)
+	// actions: list
+	col(tomo.IconListAdd)
+	col(tomo.IconListRemove)
+
+	row()
+	// actions: mail
+	col(tomo.IconMailForward)
+	col(tomo.IconMailMarkImportant)
+	col(tomo.IconMailMarkJunk)
+	col(tomo.IconMailMarkNotJunk)
+	col(tomo.IconMailMarkRead)
+	col(tomo.IconMailMarkUnread)
+	col(tomo.IconMailMessageNew)
+	col(tomo.IconMailReplyAll)
+	col(tomo.IconMailReplySender)
+	col(tomo.IconMailSend)
+	col(tomo.IconMailReceive)
+	// actions: media
+	col(tomo.IconMediaEject)
+	col(tomo.IconMediaPlaybackPause)
+	col(tomo.IconMediaPlaybackStart)
+	col(tomo.IconMediaPlaybackStop)
+	col(tomo.IconMediaRecord)
+	col(tomo.IconMediaSeekBackward)
+	col(tomo.IconMediaSeekForward)
+	col(tomo.IconMediaSkipBackward)
+	col(tomo.IconMediaSkipForward)
+	// actions: object
+	col(tomo.IconObjectFlipHorizontal)
+	col(tomo.IconObjectFlipVertical)
+	col(tomo.IconObjectRotateLeft)
+	col(tomo.IconObjectRotateRight)
+	// actions: process
+	col(tomo.IconProcessStop)
+	// actions: system
+	col(tomo.IconSystemLockScreen)
+	col(tomo.IconSystemLogOut)
+	col(tomo.IconSystemRun)
+	col(tomo.IconSystemSearch)
+	col(tomo.IconSystemReboot)
+	col(tomo.IconSystemShutdown)
+
+	row()
+	// actions: tools
+	col(tomo.IconToolsCheckSpelling)
+	// actions: value
+	col(tomo.IconValueIncrement)
+	col(tomo.IconValueDecrement)
+	col(tomo.IconValueReset)
+	// actions: view
+	col(tomo.IconViewFullscreen)
+	col(tomo.IconViewRefresh)
+	col(tomo.IconViewRestore)
+	col(tomo.IconViewSortAscending)
+	col(tomo.IconViewSortDescending)
+	// actions: window
+	col(tomo.IconWindowClose)
+	col(tomo.IconWindowNew)
+	// actions: zoom
+	col(tomo.IconZoomFitBest)
+	col(tomo.IconZoomIn)
+	col(tomo.IconZoomOriginal)
+	col(tomo.IconZoomOut)
+
+	row()
+	// applications
+	// Keep these in sync with nasin.ApplicationRole!
+	col(tomo.IconApplication)
+	col(tomo.IconApplicationWebBrowser)
+	col(tomo.IconApplicationMesssanger)
+	col(tomo.IconApplicationPhone)
+	col(tomo.IconApplicationMail)
+	col(tomo.IconApplicationTerminalEmulator)
+	col(tomo.IconApplicationFileBrowser)
+	col(tomo.IconApplicationTextEditor)
+	col(tomo.IconApplicationDocumentViewer)
+	col(tomo.IconApplicationWordProcessor)
+	col(tomo.IconApplicationSpreadsheet)
+	col(tomo.IconApplicationSlideshow)
+	col(tomo.IconApplicationCalculator)
+	col(tomo.IconApplicationPreferences)
+	col(tomo.IconApplicationProcessManager)
+	col(tomo.IconApplicationSystemInformation)
+	col(tomo.IconApplicationManual)
+	col(tomo.IconApplicationCamera)
+	col(tomo.IconApplicationImageViewer)
+	col(tomo.IconApplicationMediaPlayer)
+	col(tomo.IconApplicationImageEditor)
+	col(tomo.IconApplicationAudioEditor)
+	col(tomo.IconApplicationVideoEditor)
+	col(tomo.IconApplicationClock)
+	col(tomo.IconApplicationCalendar)
+	col(tomo.IconApplicationChecklist)
+
+	row()
+	// categories: applications
+	col(tomo.IconApplications)
+	col(tomo.IconApplicationsAccessories)
+	col(tomo.IconApplicationsDevelopment)
+	col(tomo.IconApplicationsEngineering)
+	col(tomo.IconApplicationsGames)
+	col(tomo.IconApplicationsGraphics)
+	col(tomo.IconApplicationsInternet)
+	col(tomo.IconApplicationsMultimedia)
+	col(tomo.IconApplicationsOffice)
+	col(tomo.IconApplicationsScience)
+	col(tomo.IconApplicationsSystem)
+	col(tomo.IconApplicationsUtilities)
+	// categories: preferences
+	col(tomo.IconPreferences)
+	col(tomo.IconPreferencesDesktop)
+	col(tomo.IconPreferencesPeripherals)
+	col(tomo.IconPreferencesPersonal)
+	col(tomo.IconPreferencesSystem)
+	col(tomo.IconPreferencesNetwork)
+
+	row()
+	// devices
+	col(tomo.IconDevice)
+	col(tomo.IconDeviceCamera)
+	col(tomo.IconDeviceWebCamera)
+	col(tomo.IconDeviceComputer)
+	col(tomo.IconDevicePda)
+	col(tomo.IconDevicePhone)
+	col(tomo.IconDevicePrinter)
+	col(tomo.IconDeviceScanner)
+	col(tomo.IconDeviceMultimediaPlayer)
+	col(tomo.IconDeviceVideoDisplay)
+	col(tomo.IconDeviceAudioInput)
+	col(tomo.IconDeviceAudioOutput)
+	// devices: hardware
+	col(tomo.IconHardware)
+	col(tomo.IconHardwareCPU)
+	col(tomo.IconHardwareGPU)
+	col(tomo.IconHardwareRAM)
+	col(tomo.IconHardwareSoundCard)
+	col(tomo.IconHardwareNetworkAdapter)
+	// devices: power
+	col(tomo.IconPowerBattery)
+	// devices: storage
+	col(tomo.IconStorageHardDisk)
+	col(tomo.IconStorageFloppyDisk)
+	col(tomo.IconStorageSolidState)
+	col(tomo.IconStorageOptical)
+	col(tomo.IconStorageFlashStick)
+	col(tomo.IconStorageFlashCard)
+	col(tomo.IconStorageMagneticTape)
+	// devices: input
+	col(tomo.IconInputGaming)
+	col(tomo.IconInputKeyboard)
+	col(tomo.IconInputMouse)
+	col(tomo.IconInputTablet)
+
+	row()
+	// devices: network
+	col(tomo.IconNetworkWired)
+	col(tomo.IconNetworkWireless)
+	col(tomo.IconNetworkCellular)
+	col(tomo.IconNetworkLocal)
+	col(tomo.IconNetworkInternet)
+	col(tomo.IconNetworkVPN)
+	col(tomo.IconNetworkServer)
+	col(tomo.IconNetworkWorkgroup)
+
+	row()
+	// emblems
+	col(tomo.IconEmblemDefault)
+	col(tomo.IconEmblemEncrypted)
+	col(tomo.IconEmblemFavorite)
+	col(tomo.IconEmblemImportant)
+	col(tomo.IconEmblemReadOnly)
+	col(tomo.IconEmblemShared)
+	col(tomo.IconEmblemSymbolicLink)
+	col(tomo.IconEmblemSynchronized)
+	col(tomo.IconEmblemSystem)
+	col(tomo.IconEmblemUnreadable)
+
+	row()
+	// places
+	col(tomo.IconPlaceDirectory)
+	col(tomo.IconPlaceRemote)
+	col(tomo.IconPlaceHome)
+	col(tomo.IconPlaceDownloads)
+	col(tomo.IconPlaceDesktop)
+	col(tomo.IconPlacePhotos)
+	col(tomo.IconPlaceBooks)
+	col(tomo.IconPlaceBookmarks)
+	col(tomo.IconPlaceTrash)
+	col(tomo.IconPlaceDocuments)
+	col(tomo.IconPlaceRepositories)
+	col(tomo.IconPlaceMusic)
+	col(tomo.IconPlaceArchives)
+	col(tomo.IconPlaceFonts)
+	col(tomo.IconPlaceBinaries)
+	col(tomo.IconPlaceVideos)
+	col(tomo.IconPlace3DObjects)
+	col(tomo.IconPlaceHistory)
+	col(tomo.IconPlacePreferences)
+
+	row()
+	// status: checkbox
+	col(tomo.IconCheckboxChecked)
+	col(tomo.IconCheckboxUnchecked)
+	// status: appointments
+	col(tomo.IconAppointmentMissed)
+	col(tomo.IconAppointmentSoon)
+	// status: dialogs
+	col(tomo.IconDialogError)
+	col(tomo.IconDialogInformation)
+	col(tomo.IconDialogPassword)
+	col(tomo.IconDialogQuestion)
+	col(tomo.IconDialogWarning)
+	// status: directories
+	col(tomo.IconDirectoryDragAccept)
+	col(tomo.IconDirectoryFull)
+	col(tomo.IconDirectoryOpen)
+	col(tomo.IconDirectoryVisiting)
+	// status: trash
+	col(tomo.IconTrashFull)
+	// status: resource
+	col(tomo.IconResourceLoading)
+	col(tomo.IconResourceMissing)
+	// status: mail
+	col(tomo.IconMailAttachment)
+	col(tomo.IconMailUnread)
+	col(tomo.IconMailReplied)
+	col(tomo.IconMailSigned)
+	col(tomo.IconMailSignedVerified)
+
+	row()
+	// status: network
+	col(tomo.IconCellularSignal0)
+	col(tomo.IconCellularSignal1)
+	col(tomo.IconCellularSignal2)
+	col(tomo.IconCellularSignal3)
+	col(tomo.IconWirelessSignal0)
+	col(tomo.IconWirelessSignal1)
+	col(tomo.IconWirelessSignal2)
+	col(tomo.IconWirelessSignal3)
+	col(tomo.IconNetworkError)
+	col(tomo.IconNetworkIdle)
+	col(tomo.IconNetworkOffline)
+	col(tomo.IconNetworkReceive)
+	col(tomo.IconNetworkTransmit)
+	col(tomo.IconNetworkTransmitReceive)
+	// status: print
+	col(tomo.IconPrintError)
+	col(tomo.IconPrintPrinting)
+	// status: security
+	col(tomo.IconSecurityHigh)
+	col(tomo.IconSecurityMedium)
+	col(tomo.IconSecurityLow)
+	// status: software
+	col(tomo.IconSoftwareUpdateAvailable)
+	col(tomo.IconSoftwareUpdateUrgent)
+	col(tomo.IconSoftwareInstalling)
+	// status: sync
+	col(tomo.IconSyncError)
+	col(tomo.IconSyncSynchronizing)
+	// status: tasks
+	col(tomo.IconTaskDue)
+	col(tomo.IconTaskPastDue)
+	// status: users
+	col(tomo.IconUserAvailable)
+	col(tomo.IconUserAway)
+	col(tomo.IconUserIdle)
+	col(tomo.IconUserOffline)
+
+	row()
+	// status: power
+	col(tomo.IconBattery0)
+	col(tomo.IconBattery1)
+	col(tomo.IconBattery2)
+	col(tomo.IconBattery3)
+	col(tomo.IconBrightness0)
+	col(tomo.IconBrightness1)
+	col(tomo.IconBrightness2)
+	col(tomo.IconBrightness3)
+	// status: media
+	col(tomo.IconVolume0)
+	col(tomo.IconVolume1)
+	col(tomo.IconVolume2)
+	col(tomo.IconVolume3)
+	col(tomo.IconPlaylistRepeat)
+	col(tomo.IconPlaylistShuffle)
+	// status: weather
+	col(tomo.IconWeatherClear)
+	col(tomo.IconWeatherClearNight)
+	col(tomo.IconWeatherFewClouds)
+	col(tomo.IconWeatherFewCloudsNight)
+	col(tomo.IconWeatherFog)
+	col(tomo.IconWeatherOvercast)
+	col(tomo.IconWeatherSevereAlert)
+	col(tomo.IconWeatherShowers)
+	col(tomo.IconWeatherShowersScattered)
+	col(tomo.IconWeatherSnow)
+	col(tomo.IconWeatherStorm)
+	
+	return source
+}
+
+type iconTheme struct {
+	texturesSmall map[tomo.Icon] canvas.Texture
+	texturesLarge map[tomo.Icon] canvas.Texture
+}
+
+// New creates a new fallback icon theme.
+func New () dataTheme.IconTheme {
+	return new(iconTheme)
+}
+
+func (this *iconTheme) ensure () {
+	if this.texturesSmall != nil { return }
+	this.texturesSmall = generateSource(atlasSmallBytes, 16)
+	this.texturesLarge = generateSource(atlasLargeBytes, 32)
+}
+
+func (this *iconTheme) selectSource (size tomo.IconSize) map[tomo.Icon] canvas.Texture {
+	if size == tomo.IconSizeSmall {
+		return this.texturesSmall
+	} else {
+		return this.texturesLarge
+	}
+}
+
+func (this *iconTheme) Icon (icon tomo.Icon, size tomo.IconSize) canvas.Texture {
+	this.ensure()
+	source := this.selectSource(size)
+	if texture, ok := source[icon]; ok {
+		return texture
+	}
+	return nil
+}
+
+func (this *iconTheme) MimeIcon (mime data.Mime, size tomo.IconSize) canvas.Texture {
+	this.ensure()
+	source := this.selectSource(size)
+	if mime == data.M("inode", "directory") {
+		return source[tomo.IconPlaceDirectory]
+	} else {
+		return source[tomo.Icon("File")]
+	}
+}