Added copy (yank) function

README.md

@@ -10,9 +10,9 @@
 
 A terminal application to view, tail, merge, and search log files (plus JSONL).
 
-<details>  
+<details>
   <summary> 🎬 Viewing a single file </summary>
-    
+
 &nbsp;
 
 <div align="center">
@@ -36,7 +36,7 @@ See [Toolong on Calmcode.io](https://calmcode.io/shorts/toolong.py) for a calmin
 - Support for JSONL files: lines are pretty printed.
 - Opens .bz and .bz2 files automatically.
 - Merges log files by auto detecting timestamps.
-  
+
 
 ## Why?
 
@@ -72,30 +72,30 @@ It is snappy, straightforward to use, and does a lot of the *grunt work* for you
 
 ### Videos
 
-<details>  
+<details>
   <summary> 🎬 Merging multiple (compressed) files </summary>
 &nbsp;
 
 <div align="center">
   <video src="https://github.com/Textualize/tailless/assets/554369/efbbde11-bebf-44ff-8d2b-72a84b542b75" />
 </div>
-    
+
 
 </details>
 
-<details>  
+<details>
   <summary> 🎬 Viewing JSONL files </summary>
 &nbsp;
 
 <div align="center">
   <video src="https://github.com/Textualize/tailless/assets/554369/38936600-34ee-4fe1-9fd3-b1581fc3fa37"  />
 </div>
-    
-    
+
+
 
 </details>
 
-<details>  
+<details>
   <summary> 🎬 Live Tailing a file </summary>
 &nbsp;
 
@@ -120,7 +120,7 @@ You could also install Toolong with Pip:
 pip install toolong
 ```
 
-> [!NOTE] 
+> [!NOTE]
 > If you use pip, you should ideally create a virtual environment to avoid potential dependancy conflicts.
 
 However you install Toolong, the `tl` command will be added to your path:
@@ -167,7 +167,7 @@ tree / | tl
 
 This [guy](https://github.com/willmcgugan). An ex web developer who somehow makes a living writing terminal apps.
 
-    
+
 ---
 
 ## History

src/toolong/find_dialog.py

@@ -26,8 +26,8 @@ class FindDialog(Widget, can_focus_children=True):
     DEFAULT_CSS = """
     FindDialog {
         layout: horizontal;
-        dock: top; 
-        padding-top: 1;                       
+        dock: top;
+        padding-top: 1;
         width: 1fr;
         height: auto;
         max-height: 70%;
@@ -55,7 +55,7 @@ class FindDialog(Widget, can_focus_children=True):
                 display: none;
             }
         }
-    }    
+    }
     """
     BINDINGS = [
         Binding("escape", "dismiss_find", "Dismiss", key_display="esc", show=False),

src/toolong/help.py

@@ -41,6 +41,7 @@
 - `ctrl+l` Toggle line numbers.
 - `ctrl+t` Tail current file.
 - `ctrl+c` Exit the app.
+- `y`      Copy (yank) current line in pointer mode
 
 ### Opening Files
 
@@ -62,7 +63,7 @@
 
 #### Merging files
 
-Multiple files will open in tabs. 
+Multiple files will open in tabs.
 If you add the `--merge` switch, TooLong will merge all the log files based on their timestamps:
 
 ```bash
@@ -72,9 +73,11 @@
 ### Pointer mode
 
 Pointer mode lets you navigate by line.
-To enter pointer mode, press `enter` or click a line. 
+To enter pointer mode, press `enter` or click a line.
 When in pointer mode, the navigation keys will move this pointer rather than scroll the log file.
 
+Press `y` to copy (yank) the current line to the system clipboard.
+
 Press `enter` again or click the line a second time to expand the line in to a new panel.
 
 Press `escape` to hide the line panel if it is visible, or to leave pointer mode if the line panel is not visible.
@@ -98,9 +101,9 @@
 """
 
 TITLE = rf"""
- _______          _                       
+ _______          _
 |__   __|        | |    Built with Textual
-   | | ___   ___ | |     ___  _ __   __ _ 
+   | | ___   ___ | |     ___  _ __   __ _
    | |/ _ \ / _ \| |    / _ \| '_ \ / _` |
    | | (_) | (_) | |___| (_) | | | | (_| |
    |_|\___/ \___/|______\___/|_| |_|\__, |
@@ -138,21 +141,21 @@ class HelpScreen(ModalScreen):
     CSS = """
     HelpScreen VerticalScroll {
         background: $surface;
-        margin: 4 8;        
-        border: heavy $accent;        
-        height: 1fr;        
+        margin: 4 8;
+        border: heavy $accent;
+        height: 1fr;
         .title {
             width: auto;
         }
         scrollbar-gutter: stable;
         Markdown {
             margin:0 2;
-        }        
+        }
         Markdown .code_inline {
             background: $primary-darken-1;
             text-style: bold;
         }
-    }    
+    }
     """
 
     BINDINGS = [

src/toolong/line_panel.py

@@ -14,20 +14,20 @@
 
 class LineDisplay(Widget):
     DEFAULT_CSS = """
-    LineDisplay {        
+    LineDisplay {
         padding: 0 1;
         margin: 1 0;
         width: auto;
-        height: auto;        
+        height: auto;
         Label {
             width: 1fr;
-        }  
+        }
         .json {
-            width: auto;        
+            width: auto;
         }
         .nl {
             width: auto;
-        }  
+        }
     }
     """
 
@@ -57,10 +57,10 @@ def compose(self) -> ComposeResult:
 class LinePanel(ScrollableContainer):
     DEFAULT_CSS = """
     LinePanel {
-        background: $panel;        
+        background: $panel;
         overflow-y: auto;
         overflow-x: auto;
-        border: blank transparent;                
+        border: blank transparent;
         scrollbar-gutter: stable;
         &:focus {
             border: heavy $accent;

src/toolong/log_lines.py

@@ -139,6 +139,7 @@ class LogLines(ScrollView, inherit_bindings=False):
         Binding("pagedown,space", "page_down", "Page Down", show=False),
         Binding("enter", "select", "Select line", show=False),
         Binding("escape", "dismiss", "Dismiss", show=False, priority=True),
+        Binding("y", "copy", "Copy (yank) current selection", show=False, priority=True),
         Binding("m", "navigate(+1, 'm')"),
         Binding("M", "navigate(-1, 'm')"),
         Binding("o", "navigate(+1, 'h')"),
@@ -151,7 +152,7 @@ class LogLines(ScrollView, inherit_bindings=False):
     LogLines {
         scrollbar-gutter: stable;
         overflow: scroll;
-        border: heavy transparent;        
+        border: heavy transparent;
         .loglines--filter-highlight {
             background: $secondary;
             color: auto;
@@ -164,19 +165,19 @@ class LogLines(ScrollView, inherit_bindings=False):
         }
 
         border-subtitle-color: $success;
-        border-subtitle-align: center;        
+        border-subtitle-align: center;
         align: center middle;
 
         &.-scanning {
             tint: $background 30%;
         }
         .loglines--line-numbers {
-            color: $warning 70%;            
+            color: $warning 70%;
         }
         .loglines--line-numbers-active {
-            color: $warning;            
+            color: $warning;
             text-style: bold;
-        }               
+        }
     }
     """
     COMPONENT_CLASSES = {
@@ -906,6 +907,11 @@ def action_navigate(self, steps: int, unit: Literal["m", "h", "d"]) -> None:
         self.pointer_line = line_no
         self.scroll_pointer_to_center(animate=abs(initial_line_no - line_no) < 100)
 
+    def action_copy(self, **argv):
+        if self.pointer_line:
+            line = self.get_line_from_index(self.pointer_line)
+            self.app.copy_to_clipboard(line)
+
     def watch_tail(self, tail: bool) -> None:
         self.set_class(tail, "-tail")
         if tail:

src/toolong/log_view.py

@@ -42,10 +42,10 @@ class InfoOverlay(Widget):
     DEFAULT_CSS = """
     InfoOverlay {
         display: none;
-        dock: bottom;        
+        dock: bottom;
         layer: overlay;
         width: 1fr;
-        visibility: hidden;        
+        visibility: hidden;
         offset-y: -1;
         text-style: bold;
     }
@@ -54,7 +54,7 @@ class InfoOverlay(Widget):
         width: 1fr;
         align: center bottom;
     }
-    
+
     InfoOverlay Label {
         visibility: visible;
         width: auto;
@@ -101,9 +101,9 @@ class FooterKey(Label):
         &:light {
             color: $primary;
         }
-        padding: 0 1 0 0;        
+        padding: 0 1 0 0;
         &:hover {
-            text-style: bold underline;                        
+            text-style: bold underline;
         }
     }
     """
@@ -148,9 +148,9 @@ class LogFooter(Widget):
         dock: bottom;
         Horizontal {
             width: 1fr;
-            height: 1;            
+            height: 1;
         }
-        
+
         .key {
             color: $warning;
         }
@@ -161,7 +161,7 @@ class LogFooter(Widget):
             color: $success;
             padding: 0 1 0 0;
         }
-        
+
         .tail {
             padding: 0 1;
             margin: 0 1;
@@ -264,11 +264,11 @@ class LogView(Horizontal):
             }
         }
         LogLines {
-            width: 1fr;            
-        }     
+            width: 1fr;
+        }
         LinePanel {
             width: 50%;
-            display: none;            
+            display: none;
         }
     }
     """

src/toolong/scan_progress_bar.py

@@ -11,16 +11,16 @@ class ScanProgressBar(Vertical):
         width: 100%;
         height: auto;
         margin: 2 4;
-        dock: top;                    
+        dock: top;
         padding: 1 2;
-        background: $primary;        
+        background: $primary;
         display: block;
         text-align: center;
         display: none;
-        align: center top;       
+        align: center top;
         ProgressBar {
             margin: 1 0;
-        } 
+        }
     }
 
     LogLines:focus ScanProgressBar.-has-content {

src/toolong/ui.py

@@ -28,12 +28,12 @@ class LogScreen(Screen):
     CSS = """
     LogScreen {
         layers: overlay;
-        & TabPane {           
+        & TabPane {
             padding: 0;
         }
         & Tabs:focus Underline > .underline--bar {
             color: $accent;
-        }        
+        }
         Underline > .underline--bar {
             color: $panel;
         }