Add a send button

imgsrc/send.svg

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   id="Layer_1"
+   data-name="Layer 1"
+   viewBox="0 0 122.56 122.88"
+   version="1.1"
+   sodipodi:docname="send.svg"
+   inkscape:version="1.4.2 (ebf0e940d0, 2025-05-08)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#505050"
+     bordercolor="#eeeeee"
+     borderopacity="1"
+     inkscape:showpageshadow="0"
+     inkscape:pageopacity="0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:zoom="0.17089844"
+     inkscape:cx="58.514284"
+     inkscape:cy="61.439999"
+     inkscape:window-width="976"
+     inkscape:window-height="581"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="Layer_1" />
+  <defs
+     id="defs1">
+    <style
+       id="style1">.cls-1{fill-rule:evenodd;}</style>
+  </defs>
+  <title
+     id="title1">send</title>
+  <path
+     class="cls-1"
+     d="M2.33,44.58,117.33.37a3.63,3.63,0,0,1,5,4.56l-44,115.61h0a3.63,3.63,0,0,1-6.67.28L53.93,84.14,89.12,33.77,38.85,68.86,2.06,51.24a3.63,3.63,0,0,1,.27-6.66Z"
+     id="path1"
+     style="fill:#2271d5;fill-opacity:1" />
+</svg>

imgsrc/srv/send.svg

@@ -0,0 +1 @@
+<svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 122.56 122.88"><defs><style>.cls-1{fill-rule:evenodd;}</style></defs><title>send</title><path class="cls-1" d="M2.33,44.58,117.33.37a3.63,3.63,0,0,1,5,4.56l-44,115.61h0a3.63,3.63,0,0,1-6.67.28L53.93,84.14,89.12,33.77,38.85,68.86,2.06,51.24a3.63,3.63,0,0,1,.27-6.66Z"/></svg>

src/calibre/gui2/chat_widget.py

@@ -5,7 +5,7 @@ from html import escape
 from math import ceil
 from typing import NamedTuple
 
-from qt.core import QFrame, QPalette, Qt, QTextBrowser, QTextEdit, QUrl, QVBoxLayout, QWidget, pyqtSignal
+from qt.core import QFrame, QHBoxLayout, QIcon, QPalette, Qt, QTextBrowser, QTextEdit, QToolButton, QUrl, QVBoxLayout, QWidget, pyqtSignal
 
 from calibre.utils.logging import INFO, WARN
 
@@ -52,7 +52,7 @@ class Header(NamedTuple):
         return f'<div>{title}</div>'
 
 
-class Input(QTextEdit):
+class InputEdit(QTextEdit):
 
     returnPressed = pyqtSignal()
 
@@ -89,6 +89,40 @@ class Input(QTextEdit):
                 return
         super().keyPressEvent(event)
 
+    @property
+    def value(self) -> str:
+        return self.toPlainText()
+
+    @value.setter
+    def value(self, val: str) -> None:
+        self.setPlainText(val)
+
+
+class Input(QWidget):
+
+    send_requested = pyqtSignal()
+
+    def __init__(self, parent: QWidget = None, placeholder_text: str = ''):
+        super().__init__(parent)
+        l = QHBoxLayout(self)
+        l.setContentsMargins(0, 0, 0, 0)
+        self.text_input = ti = InputEdit(self, placeholder_text)
+        ti.returnPressed.connect(self.send_requested)
+        l.addWidget(ti)
+        self.send_button = b = QToolButton(self)
+        b.setIcon(QIcon.ic('send.png'))
+        b.setToolTip(_('Send query to AI'))
+        b.clicked.connect(self.send_requested)
+        l.addWidget(b, alignment=Qt.AlignmentFlag.AlignCenter)
+
+    @property
+    def value(self) -> str:
+        return self.text_input.value
+
+    @value.setter
+    def value(self, val: str) -> None:
+        self.text_input.value = val
+
 
 class ChatWidget(QWidget):
 
@@ -103,7 +137,7 @@ class ChatWidget(QWidget):
         b.anchorClicked.connect(self.link_clicked)
         l.addWidget(b)
         self.input = iw = Input(parent=self, placeholder_text=placeholder_text)
-        iw.returnPressed.connect(self.on_input)
+        iw.send_requested.connect(self.on_input)
         l.addWidget(iw)
         self.blocks: list[str] = []
         self.current_message = ''
@@ -166,6 +200,6 @@ class ChatWidget(QWidget):
             self.browser.setHtml('\n\n'.join(self.blocks))
 
     def on_input(self) -> None:
-        text = self.input.toPlainText()
-        self.input.setPlainText('')
+        text = self.input.value
+        self.input.value = ''
         self.input_from_user.emit(text)