Allows to open the command output in pager by mouse click

docs/shell-integration.rst

@@ -80,16 +80,27 @@ Now, when you right click on the output, the entire output is selected, ready
 to be copied.
 
 The feature to jump to previous prompts (
-:sc:`scroll_to_previous_prompt` and :sc:`scroll_to_next_prompt`) can be
-integrated with browsing command output as well. For example, define the
+:sc:`scroll_to_previous_prompt` and :sc:`scroll_to_next_prompt`) and mouse
+actions (``mouse_select_command_output`` and ``mouse_show_command_output``) can
+be integrated with browsing command output as well. For example, define the
 following mapping in :file:`kitty.conf`:
 
 .. code:: conf
 
     map f1 show_last_visited_command_output
 
-Now, pressing :kbd:`F1` will cause the output of the last jumped to command to
-be opened in a pager for easy browsing.
+Now, pressing :kbd:`F1` will cause the output of the last jumped to command or
+the last mouse clicked command output to be opened in a pager for easy browsing.
+
+In addition, You can define shortcut to get the first command output on screen.
+For example, define the following in :file:`kitty.conf`:
+
+.. code:: conf
+
+    map f1 show_first_command_output_on_screen
+
+Now, pressing :kbd:`F1` will cause the output of the first command output on
+screen to be opened in a pager.
 
 You can also add shortcut to scroll to the last jumped position. For example,
 define the following in :file:`kitty.conf`:

kitty/fast_data_types.pyi

@@ -1272,7 +1272,7 @@ def set_window_padding(os_window_id: int, tab_id: int, window_id: int, left: int
 def click_mouse_url(os_window_id: int, tab_id: int, window_id: int) -> bool:
     pass
 
-def click_mouse_cmd_output(os_window_id: int, tab_id: int, window_id: int) -> bool:
+def click_mouse_cmd_output(os_window_id: int, tab_id: int, window_id: int, select_cmd_output: bool) -> bool:
     pass
 
 def move_cursor_to_mouse_if_in_prompt(os_window_id: int, tab_id: int, window_id: int) -> bool:

kitty/mouse.c

@@ -424,6 +424,12 @@ mouse_open_url(Window *w) {
     return screen_open_url(screen);
 }
 
+bool
+mouse_set_last_visited_cmd_output(Window *w) {
+    Screen *screen = w->render_data.screen;
+    return screen_set_last_visited_prompt(screen, w->mouse_pos.cell_y);
+}
+
 bool
 mouse_select_cmd_output(Window *w) {
     Screen *screen = w->render_data.screen;

kitty/options/definition.py

@@ -616,6 +616,13 @@ mma('Select line from point even when grabbed',
 mma('Extend the current selection even when grabbed',
     'extend_selection_grabbed shift+right press ungrabbed,grabbed mouse_selection extend',
     )
+
+mma('Show clicked command output in pager',
+    'show_clicked_cmd_output_ungrabbed ctrl+shift+right press ungrabbed mouse_show_command_output',
+    long_text='''
+Requires :ref:`shell_integration` to work.
+'''
+    )
 egr()  # }}}
 egr()  # }}}
 
@@ -3006,11 +3013,14 @@ Requires :ref:`shell_integration` to work.
 map('Scroll to next shell prompt',
     'scroll_to_next_prompt kitty_mod+x scroll_to_prompt 1',
     long_text='''
+When the parameter is zero, scroll to the last jumped position, or the last clicked position by
+command output related mouse actions.
+
 Requires :ref:`shell_integration` to work.
 '''
     )
 
-map('Browse scrollback buffer in less',
+map('Browse scrollback buffer in pager',
     'show_scrollback kitty_mod+h show_scrollback',
     long_text='''
 You can pipe the contents of the current screen + history buffer as
@@ -3024,17 +3034,27 @@ see :doc:`launch`.
 '''
     )
 
-map('Browse output of the last shell command in less',
+map('Browse output of the last shell command in pager',
     'show_last_command_output kitty_mod+g show_last_command_output',
     long_text='''
-Requires :ref:`shell_integration` to work. You can pipe the output
-of the last command run in the shell using the :doc:`launch` function.
+You can also define additional shortcuts to get the command output.
+For example, to get the first command output on screen::
+
+    map f1 show_first_command_output_on_screen
+
+To get the command output that was last accessed by a keyboard action or mouse action::
+
+    map f1 show_last_visited_command_output
+
+You can pipe the output of the last command run in the shell using the :doc:`launch` function.
 For example, the following opens the output in less in an overlay window::
 
     map f1 launch --stdin-source=@last_cmd_output --stdin-add-formatting --type=overlay less +G -R
 
 To get the output of the first command on the screen, use :code:`@first_cmd_output_on_screen`.
 To get the output of the last jumped to command, use :code:`@last_visited_cmd_output`.
+
+Requires :ref:`shell_integration` to work.
 ''')
 egr()  # }}}
 

kitty/options/types.py

@@ -951,4 +951,6 @@ defaults.mouse_map = [
     MouseMapping(1, 1, 1, True, KeyAction('mouse_selection', (1,))),
     # extend_selection_grabbed
     MouseMapping(1, 1, 1, False, KeyAction('mouse_selection', (1,))),
+    # show_clicked_cmd_output_ungrabbed
+    MouseMapping(1, 5, 1, False, KeyAction('mouse_show_command_output')),
 ]

kitty/screen.c

@@ -1269,7 +1269,7 @@ screen_cursor_to_column(Screen *self, unsigned int column) {
         linebuf_init_line(self->linebuf, bottom); \
         historybuf_add_line(self->historybuf, self->linebuf->line, &self->as_ansi_buf); \
         self->history_line_added_count++; \
-        if (self->last_visited_prompt.is_set && self->last_visited_prompt.scrolled_by < self->historybuf->count) self->last_visited_prompt.scrolled_by++; \
+        if (self->last_visited_prompt.is_set && self->last_visited_prompt.scrolled_by <= self->historybuf->count) self->last_visited_prompt.scrolled_by++; \
     } \
     linebuf_clear_line(self->linebuf, bottom, true); \
     self->is_dirty = true; \
@@ -2024,7 +2024,7 @@ screen_history_scroll_to_prompt(Screen *self, int num_of_prompts_to_jump) {
     if (self->linebuf != self->main_linebuf) return false;
     unsigned int old = self->scrolled_by;
     if (num_of_prompts_to_jump == 0) {
-        if (!self->last_visited_prompt.is_set || self->last_visited_prompt.scrolled_by > self->historybuf->count) return false;
+        if (!self->last_visited_prompt.is_set || self->last_visited_prompt.scrolled_by > self->historybuf->count || self->last_visited_prompt.y >= self->lines) return false;
         self->scrolled_by = self->last_visited_prompt.scrolled_by;
     } else {
         int delta = num_of_prompts_to_jump < 0 ? -1 : 1;
@@ -2041,8 +2041,7 @@ screen_history_scroll_to_prompt(Screen *self, int num_of_prompts_to_jump) {
         }
 #undef ensure_y_ok
         self->scrolled_by = y >= 0 ? 0 : -y;
-        self->last_visited_prompt.scrolled_by = self->scrolled_by;
-        self->last_visited_prompt.is_set = true;
+        screen_set_last_visited_prompt(self, 0);
     }
     if (old != self->scrolled_by) self->scroll_changed = true;
     return old != self->scrolled_by;
@@ -2756,7 +2755,7 @@ cmd_output(Screen *self, PyObject *args) {
             break;
         case 2:  // last visited cmd
             if (self->last_visited_prompt.scrolled_by <= self->historybuf->count && self->last_visited_prompt.is_set) {
-                found = find_cmd_output(self, &oo, 0, self->last_visited_prompt.scrolled_by, 0, false);
+                found = find_cmd_output(self, &oo, self->last_visited_prompt.y, self->last_visited_prompt.scrolled_by, 0, false);
             } break;
         default:
             PyErr_Format(PyExc_KeyError, "%u is not a valid type of command", which);
@@ -2766,6 +2765,15 @@ cmd_output(Screen *self, PyObject *args) {
     Py_RETURN_NONE;
 }
 
+bool
+screen_set_last_visited_prompt(Screen *self, index_type y) {
+    if (y >= self->lines) return false;
+    self->last_visited_prompt.scrolled_by = self->scrolled_by;
+    self->last_visited_prompt.y = y;
+    self->last_visited_prompt.is_set = true;
+    return true;
+}
+
 bool
 screen_select_cmd_output(Screen *self, index_type y) {
     if (y >= self->lines) return false;

kitty/screen.h

@@ -146,6 +146,7 @@ typedef struct {
     } last_rendered_window_char;
     struct {
         unsigned int scrolled_by;
+        index_type y;
         bool is_set;
     } last_visited_prompt;
 } Screen;
@@ -246,6 +247,7 @@ void set_active_hyperlink(Screen*, char*, char*);
 hyperlink_id_type screen_mark_hyperlink(Screen*, index_type, index_type);
 void screen_handle_graphics_command(Screen *self, const GraphicsCommand *cmd, const uint8_t *payload);
 bool screen_open_url(Screen*);
+bool screen_set_last_visited_prompt(Screen*, index_type);
 bool screen_select_cmd_output(Screen*, index_type);
 void screen_dirty_sprite_positions(Screen *self);
 void screen_rescale_images(Screen *self);

kitty/state.c

@@ -1091,12 +1091,13 @@ click_mouse_url(id_type os_window_id, id_type tab_id, id_type window_id) {
 }
 
 static bool
-click_mouse_cmd_output(id_type os_window_id, id_type tab_id, id_type window_id) {
-    bool selected = false;
+click_mouse_cmd_output(id_type os_window_id, id_type tab_id, id_type window_id, int select_cmd_output) {
+    bool handled = false;
     WITH_WINDOW(os_window_id, tab_id, window_id);
-    selected = mouse_select_cmd_output(window);
+    handled = mouse_set_last_visited_cmd_output(window);
+    if (select_cmd_output && handled) handled = mouse_select_cmd_output(window);
     END_WITH_WINDOW;
-    return selected;
+    return handled;
 }
 
 static bool
@@ -1127,8 +1128,8 @@ PYWRAP1(click_mouse_url) {
 }
 
 PYWRAP1(click_mouse_cmd_output) {
-    id_type a, b, c; PA("KKK", &a, &b, &c);
-    if (click_mouse_cmd_output(a, b, c)) { Py_RETURN_TRUE; }
+    id_type a, b, c; int d; PA("KKKp", &a, &b, &c, &d);
+    if (click_mouse_cmd_output(a, b, c, d)) { Py_RETURN_TRUE; }
     Py_RETURN_FALSE;
 }
 

kitty/state.h

@@ -311,6 +311,7 @@ void update_os_window_title(OSWindow *os_window);
 void fake_scroll(Window *w, int amount, bool upwards);
 Window* window_for_window_id(id_type kitty_window_id);
 bool mouse_open_url(Window *w);
+bool mouse_set_last_visited_cmd_output(Window *w);
 bool mouse_select_cmd_output(Window *w);
 bool move_cursor_to_mouse_if_at_shell_prompt(Window *w);
 void mouse_selection(Window *w, int code, int button);

kitty/window.py

@@ -1014,8 +1014,17 @@ class Window:
 
         Requires :ref:`shell_integration` to work
         ''')
-    def mouse_select_cmd_output(self) -> None:
-        click_mouse_cmd_output(self.os_window_id, self.tab_id, self.id)
+    def mouse_select_command_output(self) -> None:
+        click_mouse_cmd_output(self.os_window_id, self.tab_id, self.id, True)
+
+    @ac('mouse', '''
+        Show clicked command output in a pager like less
+
+        Requires :ref:`shell_integration` to work
+        ''')
+    def mouse_show_command_output(self) -> None:
+        if click_mouse_cmd_output(self.os_window_id, self.tab_id, self.id, False):
+            self.show_cmd_output(CommandOutput.last_visited, 'Clicked command output')
     # }}}
 
     def text_for_selection(self) -> str:
@@ -1087,15 +1096,18 @@ class Window:
         cursor_on_screen = self.screen.scrolled_by < self.screen.lines - self.screen.cursor.y
         get_boss().display_scrollback(self, data['text'], data['input_line_number'], report_cursor=cursor_on_screen)
 
+    def show_cmd_output(self, which: CommandOutput, title: str = 'Command ouptut', as_ansi: bool = True, add_wrap_markers: bool = True) -> None:
+        text = self.cmd_output(which, as_ansi=as_ansi, add_wrap_markers=add_wrap_markers)
+        text = text.replace('\r\n', '\n').replace('\r', '\n')
+        get_boss().display_scrollback(self, text, title=title, report_cursor=False)
+
     @ac('cp', '''
         Show output from the first shell command on screen in a pager like less
 
         Requires :ref:`shell_integration` to work
         ''')
     def show_first_command_output_on_screen(self) -> None:
-        text = self.cmd_output(CommandOutput.first_on_screen, as_ansi=True, add_wrap_markers=True)
-        text = text.replace('\r\n', '\n').replace('\r', '\n')
-        get_boss().display_scrollback(self, text, title='First command output on screen', report_cursor=False)
+        self.show_cmd_output(CommandOutput.first_on_screen, 'First command output on screen')
 
     @ac('cp', '''
         Show output from the last shell command in a pager like less
@@ -1103,19 +1115,16 @@ class Window:
         Requires :ref:`shell_integration` to work
         ''')
     def show_last_command_output(self) -> None:
-        text = self.cmd_output(CommandOutput.last_run, as_ansi=True, add_wrap_markers=True)
-        text = text.replace('\r\n', '\n').replace('\r', '\n')
-        get_boss().display_scrollback(self, text, title='Last command output', report_cursor=False)
+        self.show_cmd_output(CommandOutput.last_run, 'Last command output')
 
     @ac('cp', '''
-        Show the first output below the last scrolled position via scroll_to_prompt in a pager like less
+        Show the first command output below the last scrolled position via scroll_to_prompt
+        or the last mouse clicked command output in a pager like less
 
         Requires :ref:`shell_integration` to work
         ''')
     def show_last_visited_command_output(self) -> None:
-        text = self.cmd_output(CommandOutput.last_visited, as_ansi=True, add_wrap_markers=True)
-        text = text.replace('\r\n', '\n').replace('\r', '\n')
-        get_boss().display_scrollback(self, text, title='Last visited command output', report_cursor=False)
+        self.show_cmd_output(CommandOutput.last_visited, 'Last visited command output')
 
     def paste_bytes(self, text: Union[str, bytes]) -> None:
         # paste raw bytes without any processing