mirror of
https://github.com/kovidgoyal/kitty
synced 2026-07-06 16:05:05 +02:00
361 lines
13 KiB
Python
361 lines
13 KiB
Python
#!/usr/bin/env python
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# vim:fileencoding=utf-8
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# License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
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from collections import deque
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from functools import partial
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from threading import Lock
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from ctypes import addressof
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from .child import Child
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from .config import build_ansi_color_table
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from .constants import get_boss, appname, shell_path, cell_size, queue_action, viewport_size, WindowGeometry, GLuint
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from .fast_data_types import glfw_post_empty_event, Screen, DECAWM, DATA_CELL_SIZE, ColorProfile
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from .char_grid import calculate_gl_geometry, render_cells
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from .layout import all_layouts, Rect
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from .utils import color_as_int
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from .borders import Borders
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from .window import Window
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def SpecialWindow(cmd, stdin=None, override_title=None):
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return (cmd, stdin, override_title)
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class Tab:
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def __init__(self, opts, args, on_title_change, session_tab=None, special_window=None):
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self.opts, self.args = opts, args
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self.name = getattr(session_tab, 'name', '')
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self.on_title_change = on_title_change
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self.enabled_layouts = list((session_tab or opts).enabled_layouts)
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self.borders = Borders(opts)
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self.windows = deque()
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self.active_window_idx = 0
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if session_tab is None:
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self.cwd = args.directory
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l = self.enabled_layouts[0]
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if special_window is None:
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queue_action(self.new_window)
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else:
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queue_action(self.new_special_window, special_window)
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else:
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self.cwd = session_tab.cwd or args.directory
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l = session_tab.layout
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queue_action(self.startup, session_tab)
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self.current_layout = all_layouts[l](opts, self.borders.border_width, self.windows)
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for i, which in enumerate('first second third fourth fifth sixth seventh eighth ninth tenth'.split()):
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setattr(self, which + '_window', partial(self.nth_window, num=i))
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def startup(self, session_tab):
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for cmd in session_tab.windows:
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self.new_window(cmd=cmd)
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self.set_active_window_idx(session_tab.active_window_idx)
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@property
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def is_visible(self):
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return get_boss().is_tab_visible(self)
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@property
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def active_window(self):
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return self.windows[self.active_window_idx] if self.windows else None
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@property
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def title(self):
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return getattr(self.active_window, 'title', appname)
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def title_changed(self, window):
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if window is self.active_window:
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self.on_title_change(window.title)
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def visible_windows(self):
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for w in self.windows:
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if w.is_visible_in_layout:
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yield w
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def relayout(self):
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if self.windows:
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self.current_layout(self.windows, self.active_window_idx)
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self.relayout_borders()
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def relayout_borders(self):
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tm = get_boss().tab_manager
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self.borders(self.windows, self.active_window, self.current_layout, tm.blank_rects,
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self.current_layout.needs_window_borders and len(self.windows) > 1)
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def next_layout(self):
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if len(self.opts.enabled_layouts) > 1:
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try:
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idx = self.opts.enabled_layouts.index(self.current_layout.name)
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except Exception:
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idx = -1
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nl = self.opts.enabled_layouts[(idx + 1) % len(self.opts.enabled_layouts)]
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self.current_layout = all_layouts[nl](self.opts, self.borders.border_width, self.windows)
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for w in self.windows:
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w.is_visible_in_layout = True
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self.relayout()
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def launch_child(self, use_shell=False, cmd=None, stdin=None):
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if cmd is None:
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if use_shell:
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cmd = [shell_path]
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else:
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cmd = self.args.args or [shell_path]
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ans = Child(cmd, self.cwd, self.opts, stdin)
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ans.fork()
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return ans
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def new_window(self, use_shell=True, cmd=None, stdin=None, override_title=None):
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child = self.launch_child(use_shell=use_shell, cmd=cmd, stdin=stdin)
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window = Window(self, child, self.opts, self.args)
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if override_title is not None:
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window.title = window.override_title = override_title
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get_boss().add_child_fd(child.child_fd, window.read_ready, window.write_ready)
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self.active_window_idx = self.current_layout.add_window(self.windows, window, self.active_window_idx)
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self.relayout_borders()
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glfw_post_empty_event()
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return window
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def new_special_window(self, special_window):
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self.new_window(False, *special_window)
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def close_window(self):
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if self.windows:
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self.remove_window(self.windows[self.active_window_idx])
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def remove_window(self, window):
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self.active_window_idx = self.current_layout.remove_window(self.windows, window, self.active_window_idx)
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self.relayout_borders()
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glfw_post_empty_event()
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def set_active_window_idx(self, idx):
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if idx != self.active_window_idx:
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self.current_layout.set_active_window(self.windows, idx)
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self.active_window_idx = idx
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self.relayout_borders()
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glfw_post_empty_event()
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def set_active_window(self, window):
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try:
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idx = self.windows.index(window)
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except ValueError:
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return
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self.set_active_window_idx(idx)
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def nth_window(self, num=0):
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if self.windows:
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self.set_active_window_idx(min(num, len(self.windows) - 1))
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def _next_window(self, delta=1):
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if len(self.windows) > 1:
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self.active_window_idx = self.current_layout.next_window(self.windows, self.active_window_idx, delta)
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self.relayout_borders()
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glfw_post_empty_event()
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def next_window(self):
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self._next_window()
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def previous_window(self):
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self._next_window(-1)
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def move_window(self, delta=1):
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if len(self.windows) > 1 and abs(delta) > 0:
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idx = self.active_window_idx
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nidx = (idx + len(self.windows) + delta) % len(self.windows)
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self.windows[nidx], self.windows[idx] = self.windows[idx], self.windows[nidx]
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self.active_window_idx = nidx
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self.relayout()
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def move_window_to_top(self):
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self.move_window(-self.active_window_idx)
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def move_window_forward(self):
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self.move_window()
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def move_window_backward(self):
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self.move_window(-1)
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def __iter__(self):
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yield from iter(self.windows)
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def __len__(self):
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return len(self.windows)
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def __contains__(self, window):
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return window in self.windows
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def destroy(self):
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if hasattr(self, 'windows'):
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for w in self.windows:
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w.destroy()
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del self.windows
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def render(self):
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self.borders.render(get_boss().borders_program)
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def __repr__(self):
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return 'Tab(title={}, id={})'.format(self.name or self.title, hex(id(self)))
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class TabManager:
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def __init__(self, opts, args, startup_session):
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self.opts, self.args = opts, args
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self.buffer_id = None
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self.tabbar_lock = Lock()
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self.tabs = [Tab(opts, args, self.title_changed, t) for t in startup_session.tabs]
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self.cell_ranges = []
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self.active_tab_idx = startup_session.active_tab_idx
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self.tabbar_dirty = True
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self.color_profile = ColorProfile()
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self.color_profile.update_ansi_color_table(build_ansi_color_table(opts))
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self.default_fg = color_as_int(opts.inactive_tab_foreground)
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self.default_bg = color_as_int(opts.inactive_tab_background)
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self.tab_bar_blank_rects = ()
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def as_rgb(x):
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return (x << 8) | 2
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self.active_bg = as_rgb(color_as_int(opts.active_tab_background))
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self.active_fg = as_rgb(color_as_int(opts.active_tab_foreground))
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self.can_render = False
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if len(self.tabs) > 1:
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self.layout_tab_bar()
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def resize(self, only_tabs=False):
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if not only_tabs:
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self.layout_tab_bar()
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for tab in self.tabs:
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tab.relayout()
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def layout_tab_bar(self):
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self.can_render = False
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ncells = viewport_size.width // cell_size.width
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s = Screen(None, 1, ncells)
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s.reset_mode(DECAWM)
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self.sprite_map_type = (GLuint * (s.lines * s.columns * DATA_CELL_SIZE))
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with self.tabbar_lock:
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self.sprite_map = self.sprite_map_type()
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self.tab_bar_screen = s
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self.tabbar_dirty = True
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margin = (viewport_size.width - ncells * cell_size.width) // 2
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self.window_geometry = g = WindowGeometry(
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margin, viewport_size.height - cell_size.height, viewport_size.width - margin, viewport_size.height, s.columns, s.lines)
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if margin > 0:
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self.tab_bar_blank_rects = (Rect(0, g.top, g.left, g.bottom), Rect(g.right - 1, g.top, viewport_size.width, g.bottom))
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else:
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self.tab_bar_blank_rects = ()
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self.screen_geometry = calculate_gl_geometry(g)
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self.screen = s
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self.can_render = True
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def set_active_tab(self, idx):
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self.active_tab_idx = idx
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self.tabbar_dirty = True
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self.active_tab.relayout_borders()
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glfw_post_empty_event()
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def next_tab(self, delta=1):
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if len(self.tabs) > 1:
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self.set_active_tab((self.active_tab_idx + len(self.tabs) + delta) % len(self.tabs))
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def __iter__(self):
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return iter(self.tabs)
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def __len__(self):
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return len(self.tabs)
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@property
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def active_tab(self):
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return self.tabs[self.active_tab_idx] if self.tabs else None
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@property
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def tab_bar_height(self):
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return 0 if len(self.tabs) < 2 else cell_size.height
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def move_tab(self, delta=1):
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if len(self.tabs) > 1:
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idx = self.active_tab_idx
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nidx = (idx + len(self.tabs) + delta) % len(self.tabs)
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self.tabs[idx], self.tabs[nidx] = self.tabs[nidx], self.tabs[idx]
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self.active_tab_idx = nidx
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glfw_post_empty_event()
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def title_changed(self, new_title):
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with self.tabbar_lock:
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self.tabbar_dirty = True
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def new_tab(self, special_window=None):
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' Must be called in the GUI thread '
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needs_resize = len(self.tabs) == 1
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self.active_tab_idx = len(self.tabs)
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self.tabs.append(Tab(self.opts, self.args, self.title_changed, special_window=special_window))
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if needs_resize:
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if not self.can_render:
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queue_action(self.layout_tab_bar)
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queue_action(get_boss().tabbar_visibility_changed)
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def remove(self, tab):
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' Must be called in the GUI thread '
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needs_resize = len(self.tabs) == 2
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self.tabs.remove(tab)
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self.active_tab_idx = max(0, min(self.active_tab_idx, len(self.tabs) - 1))
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self.tabbar_dirty = True
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tab.destroy()
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if needs_resize:
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queue_action(get_boss().tabbar_visibility_changed)
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def update_tab_bar_data(self, sprites):
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s = self.tab_bar_screen
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s.cursor.x = 0
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s.erase_in_line(2, False)
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at = self.active_tab
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max_title_length = (self.screen_geometry.xnum // len(self.tabs)) - 1
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self.cell_ranges = []
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for t in self.tabs:
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title = (t.name or t.title or appname) + ' '
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s.cursor.bg = self.active_bg if t is at else 0
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s.cursor.fg = self.active_fg if t is at else 0
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s.cursor.bold = s.cursor.italic = t is at
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before = s.cursor.x
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s.draw(title)
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extra = s.cursor.x - before - max_title_length
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if extra > 0:
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s.cursor.x -= extra + 1
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s.draw('…')
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self.cell_ranges.append((before, s.cursor.x))
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s.cursor.bold = s.cursor.italic = False
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s.cursor.fg = s.cursor.bg = 0
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s.draw('┇')
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if s.cursor.x > s.columns - max_title_length:
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s.draw('…')
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break
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s.update_cell_data(
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sprites.backend, self.color_profile, addressof(self.sprite_map), self.default_fg, self.default_bg, True)
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sprites.render_dirty_cells()
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if self.buffer_id is None:
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self.buffer_id = sprites.add_sprite_map()
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sprites.set_sprite_map(self.buffer_id, self.sprite_map)
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def activate_tab_at(self, x):
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x = (x - self.window_geometry.left) // cell_size.width
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for i, (a, b) in enumerate(self.cell_ranges):
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if a <= x <= b:
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queue_action(self.set_active_tab, i)
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return
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@property
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def blank_rects(self):
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if len(self.tabs) < 2:
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return ()
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return self.tab_bar_blank_rects
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def render(self, cell_program, sprites):
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if not self.can_render or len(self.tabs) < 2:
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return
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with self.tabbar_lock:
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if self.tabbar_dirty:
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self.update_tab_bar_data(sprites)
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render_cells(self.buffer_id, self.screen_geometry, cell_program, sprites)
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