feat(gui): add support for auto-completion popup in chat input #51

The chat input now features an auto-completion popup, which is triggered when the user inputs a specific character (e.g., '$' or '¥'). This enhancement improves the user experience by providing suggestions to the user, making the chat input more intuitive and efficient. The popup is implemented using the `JBPopupFactory` and is created dynamically when needed.

Author: phodal

src/main/kotlin/cc/unitmesh/devti/counit/CustomAgentChatProcessor.kt

@@ -14,6 +14,7 @@ import com.intellij.openapi.components.Service
 import com.intellij.openapi.diagnostic.logger
 import com.intellij.openapi.project.Project
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.flow.*
 import kotlinx.coroutines.runBlocking
 
 @Service(Service.Level.PROJECT)

src/main/kotlin/cc/unitmesh/devti/gui/chat/AutoDevInput.kt

@@ -1,7 +1,6 @@
 package cc.unitmesh.devti.gui.chat
 
 import cc.unitmesh.devti.AutoDevBundle
-import com.intellij.temporary.gui.block.findDocument
 import cc.unitmesh.devti.util.parser.Code.Companion.findLanguage
 import com.intellij.openapi.Disposable
 import com.intellij.openapi.actionSystem.*
@@ -19,12 +18,14 @@ import com.intellij.openapi.fileTypes.FileTypes
 import com.intellij.openapi.project.DumbAwareAction
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.vfs.VirtualFile
+import com.intellij.temporary.gui.block.findDocument
 import com.intellij.testFramework.LightVirtualFile
 import com.intellij.ui.EditorTextField
 import com.intellij.util.EventDispatcher
 import com.intellij.util.messages.MessageBusConnection
 import com.intellij.util.ui.JBUI
 import java.awt.Color
+import java.awt.event.KeyAdapter
 import java.awt.event.KeyEvent
 import java.util.*
 import javax.swing.KeyStroke
@@ -81,7 +82,6 @@ class AutoDevInput(
             ), this
         )
 
-
         val connect: MessageBusConnection = project.messageBus.connect(disposable ?: this)
         val topic = AnActionListener.TOPIC
         connect.subscribe(topic, object : AnActionListener {

src/main/kotlin/cc/unitmesh/devti/gui/chat/AutoDevInputSection.kt

@@ -21,6 +21,8 @@ import com.intellij.openapi.project.Project
 import com.intellij.openapi.ui.ComboBox
 import com.intellij.openapi.ui.ComponentValidator
 import com.intellij.openapi.ui.ValidationInfo
+import com.intellij.openapi.ui.popup.JBPopup
+import com.intellij.openapi.ui.popup.JBPopupFactory
 import com.intellij.openapi.wm.IdeFocusManager
 import com.intellij.openapi.wm.impl.InternalDecorator
 import com.intellij.temporary.gui.block.AutoDevCoolBorder
@@ -44,6 +46,7 @@ import java.awt.event.MouseEvent
 import java.util.function.Supplier
 import javax.swing.Box
 import javax.swing.JComponent
+import javax.swing.JTextField
 import kotlin.math.max
 import kotlin.math.min
 
@@ -61,6 +64,8 @@ class AutoDevInputSection(private val project: Project, val disposable: Disposab
 
     private val logger = logger<AutoDevInputSection>()
 
+    private var popup: JBPopup? = null
+
     val editorListeners = EventDispatcher.create(AutoDevInputListener::class.java)
     private var tokenizer: Tokenizer? = null
     var text: String
@@ -97,8 +102,20 @@ class AutoDevInputSection(private val project: Project, val disposable: Disposab
                 if (i != input.height) {
                     revalidate()
                 }
+
+                // check new input == $
+                if (event.newFragment.contentEquals("$") || event.newFragment.contentEquals("¥")) {
+                    popup?.show(this@AutoDevInputSection)
+                }
             }
         }
+
+        popup = JBPopupFactory.getInstance().createComponentPopupBuilder(JTextField(""), null)
+            .setRequestFocus(false)
+            .setMinSize(
+                Dimension(200, 200)
+            ).createPopup()
+
         input.addDocumentListener(documentListener)
         input.recreateDocument()