Implement multi-account writing for sendbox

TODO.md

@@ -1,6 +1,9 @@
+- Don't send a formatted_text if it's just `<p>plaintext</p>`
 - Set Qt.application.* stuff from C++
 - Devices and client settings in edit account page
   - Multiaccount aliases
+    - Warn when overwriting another alias
+    - Add an explanation tooltip
 - If avatar is set, name color from average color?
 - Accent color from background
 - Reduce messages ListView cacheBuffer height once http thumbnails

src/qml/Chat/SendBox.qml

@@ -8,6 +8,12 @@ import "../Base"
 HRectangle {
     function setFocus() { textArea.forceActiveFocus() }
 
+    property var aliases: window.settings.write_aliases
+    property string writingUserId: chatPage.userId
+    property string toSend: ""
+
+    property bool textChangedSinceLostFocus: false
+
     id: sendBox
     Layout.fillWidth: true
     Layout.minimumHeight: theme.baseElementsHeight
@@ -21,7 +27,7 @@ HRectangle {
 
         HUserAvatar {
             id: avatar
-            userId: chatPage.userId
+            userId: writingUserId
         }
 
         HScrollableTextArea {
@@ -34,20 +40,58 @@ HRectangle {
             backgroundColor: "transparent"
             area.focus: true
 
-            property bool textChangedSinceLostFocus: false
-
             function setTyping(typing) {
                 py.callClientCoro(
-                    chatPage.userId,
+                    writingUserId,
                     "room_typing",
                     [chatPage.roomId, typing, 5000]
                 )
             }
 
             onTextChanged: {
-                setTyping(Boolean(text))
+                let foundAlias = null
-                textChangedSinceLostFocus = true
+
+                for (let [user, writing_alias] of Object.entries(aliases)) {
+                    if (text.startsWith(writing_alias + " ")) {
+                        writingUserId = user
+                        foundAlias = new RegExp("^" + writing_alias + " ")
+                        break
+                    }
+                }
+
+                if (foundAlias) {
+                    toSend = text.replace(foundAlias, "")
+                    setTyping(Boolean(text))
+                    textChangedSinceLostFocus = true
+                    return
+                }
+
+                writingUserId = Qt.binding(() => chatPage.userId)
+                toSend        = text
+
+                let vals = Object.values(aliases)
+
+                let longestAlias =
+                    vals.reduce((a, b) => a.length > b.length ? a: b)
+
+                let textNotStartsWithAnyAlias =
+                    ! vals.some(a => text.startsWith(a))
+
+                let textContainsCharNotInAnyAlias =
+                    vals.every(a => text.split("").some(c => ! a.includes(c)))
+
+                // Only set typing when it's sure that the user will not use
+                // an alias and has written something
+                if (toSend &&
+                    (text.length > longestAlias.length ||
+                     textNotStartsWithAnyAlias ||
+                     textContainsCharNotInAnyAlias))
+                {
+                    setTyping(Boolean(text))
+                    textChangedSinceLostFocus = true
+                }
             }
+
             area.onEditingFinished: {  // when lost focus
                 if (text && textChangedSinceLostFocus) {
                     setTyping(false)
@@ -68,8 +112,9 @@ HRectangle {
 
                     if (textArea.text === "") { return }
 
-                    let args = [chatPage.roomId, textArea.text]
+                    let args = [chatPage.roomId, toSend]
-                    py.callClientCoro(chatPage.userId, "send_markdown", args)
+                    py.callClientCoro(writingUserId, "send_markdown", args)
+
                     area.clear()
                 })
 

src/qml/UI.qml

@@ -73,18 +73,18 @@ Item {
                 id: initialRoomTimer
                 interval: 4000
                 repeat: false
-                // onTriggered: pageStack.showRoom(
+                onTriggered: pageStack.showRoom(
-                    // "@test_mary:matrix.org",
+                    "@test_mary:matrix.org",
-                    // "Rooms",
+                    "Rooms",
                     // "!TSXGsbBbdwsdylIOJZ:matrix.org"  // st
-                    // "!VDSsFIzQnXARSCVNxS:matrix.org"  // hs
+                    "!VDSsFIzQnXARSCVNxS:matrix.org"  // hs
                     // "Invites",
                     // "!xjqvLOGhMVutPXpAqi:matrix.org"
-                // )
-                onTriggered: pageStack.showPage(
-                    "EditAccount/EditAccount",
-                    {"userId": "@test_mary:matrix.org"}
                 )
+                // onTriggered: pageStack.showPage(
+                    // "EditAccount/EditAccount",
+                    // {"userId": "@test_mary:matrix.org"}
+                // )
             }
 
             onCurrentItemChanged: if (currentItem) {