Added undo, redo, go-to, and duplicate lines commands; updated styles for line highlight color; cleanup

src/core/widgets/code/commands/buffer_redo.py

@@ -0,0 +1,23 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Buffer Redo Command")
+
+    buffer       = view.get_buffer()
+    undo_manager = buffer.get_undo_manager()
+
+    if undo_manager.can_redo():
+        buffer.redo()

src/core/widgets/code/commands/buffer_undo.py

@@ -0,0 +1,23 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Buffer Undo Command")
+
+    buffer       = view.get_buffer()
+    undo_manager = buffer.get_undo_manager()
+
+    if undo_manager.can_undo():
+        buffer.undo()

src/core/widgets/code/commands/duplicate_line.py

@@ -0,0 +1,53 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Duplicate Line Command")
+
+    buffer = view.get_buffer()
+
+    if not buffer.get_has_selection():
+        had_selection = False
+        itr        = buffer.get_iter_at_mark( buffer.get_insert() )
+        start_itr  = itr.copy()
+        end_itr    = itr.copy()
+        start_line = itr.get_line() + 1
+        start_char = itr.get_line_offset()
+    else:
+        had_selection = True
+        start_itr, end_itr = buffer.get_selection_bounds()
+        sline      = start_itr.get_line()
+        eline      = end_itr.get_line()
+        start_line = eline + 1
+        start_char = start_itr.get_line_offset()
+        end_char   = end_itr.get_line_offset()
+        range_line_size  = eline - sline
+
+    start_itr.backward_visible_line()
+    start_itr.forward_line()
+    end_itr.forward_line()
+    end_itr.backward_char()
+
+    line_str = buffer.get_slice(start_itr, end_itr, True)
+    end_itr.forward_char()
+    buffer.insert(end_itr, f"{line_str}\n", -1)
+
+    if not had_selection:
+        new_itr = buffer.get_iter_at_line_offset(start_line, start_char)
+        buffer.place_cursor(new_itr)
+    else:
+        new_itr     = buffer.get_iter_at_line_offset(start_line, start_char)
+        new_end_itr = buffer.get_iter_at_line_offset((start_line + range_line_size), end_char)
+        buffer.select_range(new_itr, new_end_itr)

src/core/widgets/code/commands/focus_left_sibling.py

@@ -17,4 +17,3 @@ def execute(
     logger.debug("Focus Left Sibling Command")
     if not view.sibling_left: return
     view.sibling_left.grab_focus()
-    view.sibling_left.command.exec("set_miniview")

src/core/widgets/code/commands/focus_right_sibling.py

@@ -17,4 +17,3 @@ def execute(
     logger.debug("Focus Right Sibling Command")
     if not view.sibling_right: return
     view.sibling_right.grab_focus()
-    view.sibling_right.command.exec("set_miniview")

src/core/widgets/code/commands/get_current_file.py

@@ -0,0 +1,20 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Get Current File Command")
+
+    buffer = view.get_buffer()
+    return view.files_manager.get_file(buffer)

src/core/widgets/code/commands/get_text.py

@@ -0,0 +1,21 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Get Text Command")
+
+    buffer = view.get_buffer()
+    start_itr, end_itr = buffer.get_bounds()
+    return buffer.get_text(start_itr, end_itr, True)

src/core/widgets/code/commands/go_to.py

@@ -0,0 +1,31 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Go-To Command")
+
+    file    = view.command.exec("get_current_file")
+    gfile   = file.get_location()
+    uri     = gfile.get_uri()
+
+    buffer  = view.get_buffer()
+    iter    = buffer.get_iter_at_mark( buffer.get_insert() )
+    line    = iter.get_line()
+    offset  = iter.get_line_offset()
+
+    event_system.emit(
+        "textDocument/definition",
+        (view, file.ftype, uri, line, offset,)
+    )

src/core/widgets/code/commands/set_buffer_language.py

@@ -0,0 +1,23 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View,
+    language: str
+):
+    logger.debug("Set Buffer Language Command")
+
+    buffer = editor.get_buffer()
+    buffer.set_language(
+        view.language_manager.get_language(language)
+    )

src/core/widgets/code/commands/set_buffer_style.py

@@ -0,0 +1,23 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View,
+    style: str
+):
+    logger.debug("Set Buffer Style Command")
+
+    buffer = editor.get_buffer()
+    buffer.set_style_scheme(
+        view.style_scheme_manager.get_scheme(style)
+    )

src/core/widgets/code/get_filetype.py

@@ -0,0 +1,21 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Get File Type Command")
+
+    buffer = view.get_buffer()
+    file   = view.files_manager.get_file(buffer)
+    return file.ftype 

src/core/widgets/code/source_file.py

@@ -86,9 +86,8 @@ class SourceFile(GtkSource.File, ObservableMixin):
         if not gfile: return
 
         with open(gfile.get_path(), 'w') as f:
-            start_itr = self.buffer.get_start_iter()
-            end_itr   = self.buffer.get_end_iter()
-            text      = self.buffer.get_text(start_itr, end_itr, True)
+            start_itr, end_itr = self.buffer.get_bounds()
+            text = self.buffer.get_text(start_itr, end_itr, True)
 
             f.write(text)
 
@@ -99,9 +98,12 @@ class SourceFile(GtkSource.File, ObservableMixin):
         if not gfile: return
 
         self.set_path(gfile)
-        data = gfile.load_bytes()[0].get_data().decode("UTF-8")
+        data         = gfile.load_bytes()[0].get_data().decode("UTF-8")
+        undo_manager = self.buffer.get_undo_manager()
 
+        undo_manager.begin_not_undoable_action()
         self.buffer.insert_at_cursor(data)
+        undo_manager.end_not_undoable_action()
 
     def set_path(self, gfile: Gio.File):
         if not gfile: return

user_config/usr/share/app_name/code-key-bindings.json

@@ -18,12 +18,24 @@
         "cut_to_temp_buffer": {
             "held": "<Control>k"
         },
+        "duplicate_line": {
+            "held": "<Control>d"
+        },
+        "go_to": {
+            "released": "<Control>g"
+        },
         "paste_temp_buffer": {
             "held": "<Control>u"
         },
         "new_file": {
             "released": "<Control>t"
         },
+        "buffer_undo": {
+            "held": "<Control>z"
+        },
+        "buffer_redo": {
+            "held": "<Control>y"
+        },
         "open_files": {
             "released": "<Control>o"
         },

user_config/usr/share/app_name/code_styles/peacocks-in-space.xml

@@ -2,7 +2,8 @@
     <author> ITDominator</author>
     <description>An attempted clone of Dayle Rees' Peacocks In Space theme.</description>
 
-    <style name="current-line"	background="#2b303b" />
+    <!--<style name="current-line"	background="#2b303b" />-->
+    <style name="current-line"	background="#44475a" />
     <style name="current-line-number"	background="#f7b83d" />
     <style name="draw-spaces"	foreground="#babdb6" />
     <style name="background-pattern"	background="#6e7a94" />

user_config/usr/share/app_name/code_styles/penguins-in-space.xml

@@ -2,7 +2,8 @@
     <author>  ITDominator</author>
     <description>An homage to Dayle Rees' Peacocks In Space theme.</description>
 
-    <style name="current-line"	background="#2b303b" />
+    <!--<style name="current-line"	background="#2b303b" />-->
+    <style name="current-line"	background="#44475a" />
     <style name="current-line-number"	background="#f7b83d" />
     <style name="draw-spaces"	foreground="#babdb6" />
     <style name="background-pattern"	background="#6e7a94" />