link result view and source view

bigtext.py

@@ -2,7 +2,7 @@ import math
 import os
 import re
 import time
-from typing import Optional, List
+from typing import Optional, List, Callable
 import PyQt6.QtGui
 from PyQt6 import QtGui
 
@@ -78,25 +78,36 @@ class BigText(QWidget):
         self.grid.setVerticalSpacing(0)
         self.setLayout(self.grid)
 
-        big_text = InnerBigText(self, model)
-        big_text.setSizePolicy(QSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding))
+        self.big_text = InnerBigText(self, model)
+        self.big_text.setSizePolicy(QSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding))
 
         self.h_scroll_bar = QScrollBar(Qt.Orientation.Horizontal)
         self.h_scroll_bar.setMinimum(0)
         self.h_scroll_bar.setMaximum(1)
-        self.h_scroll_bar.valueChanged.connect(big_text.h_scroll_event)
+        self.h_scroll_bar.valueChanged.connect(self.big_text.h_scroll_event)
 
         self.v_scroll_bar = ScaledScrollBar()
         # self.v_scroll_bar.setPageStep(1)
-        self.v_scroll_bar.valueChanged.connect(big_text.v_scroll_event)
+        self.v_scroll_bar.valueChanged.connect(self.big_text.v_scroll_event)
 
-        self.grid.addWidget(big_text, 0, 0)
+        self.grid.addWidget(self.big_text, 0, 0)
         self.grid.addWidget(self.h_scroll_bar, 1, 0)
         self.grid.addWidget(self.v_scroll_bar, 0, 1)
 
     def get_file(self):
         return self.model.get_file()
 
+    def add_line_click_listener(self, listener: Callable[[int], None]):
+        """
+
+        :param listener: a callable, the parameter is the byte offset of the clicked line
+        :return:
+        """
+        self.big_text.line_click_listeners.append(listener)
+
+    def scroll_to_byte(self, byte_offset: int):
+        self.big_text.scroll_to_byte(byte_offset)
+
     def destruct(self):
         self.watchdog.destruct()
         pass
@@ -123,6 +134,8 @@ class InnerBigText(QWidget):
         self._last_double_click_time = 0
         self._last_double_click_line_number = -1
 
+        self.line_click_listeners: [Callable[[int], None]] = []
+
     def keyPressEvent(self, e: QKeyEvent) -> None:
 
         # print("%s + %s" % (e.keyCombination().keyboardModifiers(), e.key()))
@@ -187,6 +200,11 @@ class InnerBigText(QWidget):
         self.update()
         self.parent.v_scroll_bar.setValue(self._byte_offset)
 
+    def scroll_to_byte(self, byte_offset: int):
+        self._byte_offset = min(byte_offset, self.model.byte_count())
+        self.update()
+        self.parent.v_scroll_bar.setValue(self._byte_offset)
+
     def mousePressEvent(self, e: QtGui.QMouseEvent) -> None:
         if e.buttons() == Qt.MouseButton.LeftButton and e.modifiers() == Qt.KeyboardModifier.ShiftModifier:
             offset = self.to_byte_offset(e)
@@ -210,6 +228,12 @@ class InnerBigText(QWidget):
             self.selection_highlight.set_end_byte(offset)
             self.update()
 
+            line_number = self.y_pos_to_line(e.pos().y())
+            if line_number < len(self.lines):
+                line = self.lines[line_number]
+                for listener in self.line_click_listeners:
+                    listener(line.byte_offset())
+
     def mouseDoubleClickEvent(self, e: QtGui.QMouseEvent) -> None:
         if e.buttons() == Qt.MouseButton.LeftButton:
             self._last_double_click_time = time.time()