Add QR Code Encoder plugin (#226)

* init * feat: notify options; all, minimal and none * update: plugin.toml * update: add README * feat: add button toggle * feat: add configurable glyph * fix: valid image radius * fix: shell escape entry * feat: add settings * update: add thumbnail.webp * feat: add titlebar and titlebar toggle * feat: add custom image widget setting, reorder keys * fix: auto-size image with titlebar * update: README (new settings) * fix: lowercase correction_level label keys * fix: file type and move shellEscape to the cmd
2026-08-03 08:17:21 -04:00
parent 56edefe993
commit 8277d1bc6d
6 changed files with 433 additions and 0 deletions
@@ -0,0 +1,226 @@
+local currentText = ""
+local genCount = 0
+local errorMessage = nil
+local imagePath = nil
+local status = "idle"
+
+local imageSize = 400
+
+local notifyConf = noctalia.getConfig("notify")
+
+local function notify(text, error)
+    local cmd = error and noctalia.notifyError or noctalia.notify
+    cmd("QR Code encoder", text)
+end
+
+local function statusText()
+    if status == "generating" then 
+        return noctalia.tr("panel.status.generating")
+    elseif status == "error" then 
+        return noctalia.tr("panel.status.error", { message = errorMessage })
+    elseif status == "ready" then 
+        return noctalia.tr("panel.status.ready")
+    elseif status == "copied" then 
+        return noctalia.tr("panel.status.copied")
+    else
+        return noctalia.tr("panel.status.idle")
+    end
+end
+
+local function render()
+    local rowContent = {
+        ui.input({
+            flexGrow = 1,
+            focus = true,
+            placeholder = noctalia.tr("panel.placeholder"),
+            onChange = "onTextChange",
+            onSubmit = "onTextSubmit",
+        })
+    }
+
+    if noctalia.getConfig("generate_button") then
+        table.insert(
+            rowContent,
+            ui.button({
+                text = "Generate",
+                variant = "primary",
+                enabled = status ~= "generating",
+                onClick = "onGenerateClick",
+            })
+        )
+    end
+
+    local content = {
+        ui.row({ gap = 8 }, rowContent),
+        ui.label({
+            flexGrow = 1,
+            textAlign = "center",
+            text = statusText(),
+            color = status == "error" and "error" or "on_surface/0.75",
+        })
+    }
+
+    if (status == "ready" 
+        or status == "copied"
+        or (status == "error" and errorMessage == noctalia.tr("panel.error.copy_failed")))
+        and imagePath ~= nil then
+        table.insert(
+            content,
+            ui.row({ justify = "center" }, {
+                ui.image({
+                    path = imagePath,
+                    width = imageSize,
+                    height = imageSize,
+                    radius = 24,
+                    onClick = "onImageClick",
+                })
+            })
+        )
+    end
+
+    if noctalia.getConfig("titlebar") then
+        imageSize = 350
+        table.insert(
+            content, 1,
+            ui.row({ align = "center", justify = "space_between", gap = 8 }, {
+                ui.label({ text = "QR Code Encoder", fontSize = 16, fontWeight = "bold", flexGrow = 1 }),
+                ui.button({ glyph = "settings", onClick = noctalia.openSettings }),
+                ui.button({ glyph = "close", onClick = "onCloseClicked" }),
+            })
+        )
+    end
+
+    panel.render(ui.column({ flexGrow = 1, gap = 16 }, content))
+end
+
+local function shellEscape(raw)
+    return "'" .. raw:gsub("'", "'\\''") .. "'"
+end
+
+local function generate(text)
+    if status == "generating" then
+        return
+    end
+
+    text = noctalia.string.trim(text or "")
+
+    if text == "" then
+        if imagePath ~= nil then
+            noctalia.removeFile(imagePath)
+        end
+        status = "idle"
+        errorMessage = nil
+        imagePath = nil
+        render()
+        return
+    end
+
+    if not noctalia.commandExists("qrencode") then
+        status = "error"
+        errorMessage = noctalia.tr("panel.error.missing_qrencode")
+
+        if notifyConf == "all" then
+            notify(statusText(), status == "error")
+        end
+
+        render()
+        return
+    end
+
+    status = "generating"
+    render()
+
+    local dir = noctalia.pluginDir()
+    local outputPath = string.format("%s/qr-%s.png", dir, genCount)
+    local previousPath = imagePath
+    genCount += 1
+
+    local size = noctalia.getConfig("size") or 8
+    local correctionLevel = noctalia.getConfig("correction_level") or "M"
+
+    local cmd = string.format(
+        'qrencode %s -o %s -s %s -l %s',
+        shellEscape(text),
+        outputPath,
+        size,
+        correctionLevel
+    )
+
+    noctalia.runAsync(
+        cmd,
+        function(result)
+            if result.exitCode == 0 and noctalia.fileExists(outputPath) then
+                imagePath = outputPath
+                status = "ready"
+                if previousPath ~= nil then
+                    noctalia.removeFile(previousPath)
+                end
+            else
+                status = "error"
+                errorMessage = noctalia.tr("panel.error.generate_failed")
+            end
+
+            if notifyConf == "all" then
+                notify(statusText(), status == "error")
+            end
+
+            render()
+        end
+    )
+end
+
+function onOpen(_context)
+    status = "idle"
+    render()
+end
+
+function onTextChange(value)
+    currentText = value
+end
+
+function onTextSubmit(value)
+    currentText = value
+    generate(currentText)
+end
+
+function onGenerateClick()
+    generate(currentText)
+end
+
+function onImageClick()
+    local bytes, err = noctalia.readFile(imagePath)
+    errorMessage = noctalia.tr("panel.error.copy_failed")
+
+    if bytes == nil then
+        status = "error"
+    else
+        local ok = noctalia.copyToClipboard(bytes, "image/png")
+
+        status = ok and "copied" or "error"
+    end
+
+    if notifyConf == "all" then
+        notify(statusText(), status == "error")
+    end
+
+    if noctalia.getConfig("close_on_copy") then
+        if notifyConf == "minimal" then
+            notify(statusText(), status == "error")
+        end
+
+        panel.close()
+        return
+    end
+
+    render()
+end
+
+function onCloseClicked()
+    panel.close()
+end
+
+function onClose()
+    if imagePath ~= nil then
+        noctalia.removeFile(imagePath)
+    end
+end