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Have a single TextWin in common for each tab, reducing the needed memory, and simplifying its resize (F7 and F8 stuff)

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This commit is contained in:
Florent Le Coz 2011-03-08 04:20:46 +01:00
parent 8f48c5ede7
commit 1a2252b3e5
3 changed files with 53 additions and 65 deletions
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21
src/core.py
View file

@ -89,6 +89,8 @@ class Core(object):
# information window.
self.information_buffer = TextBuffer()
self.information_win_size = config.get('info_win_height', 2, 'var')
self.information_win = windows.TextWin(20)
self.information_buffer.add_window(self.information_win)
self.tabs = []
self.previous_tab_nb = 0
self.own_nick = config.get('own_nick', '') or self.xmpp.boundjid.user
@ -168,6 +170,10 @@ class Core(object):
"""
self.stdscr = curses.initscr()
self.init_curses(self.stdscr)
# Init the tab's size.
tabs.Tab.resize(self.stdscr)
# resize the information_win to its initial size
self.resize_global_information_win()
default_tab = tabs.InfoTab() if self.xmpp.anon\
else tabs.RosterInfoTab()
default_tab.on_gain_focus()
@ -175,6 +181,13 @@ class Core(object):
self.information(_('Welcome to poezio!'))
self.refresh_window()
def resize_global_information_win(self):
"""
Resize the global_information_win only once at each resize.
"""
self.information_win.resize(self.information_win_size, tabs.Tab.width,
tabs.Tab.height - 2 - self.information_win_size, 0)
def on_exception(self, typ, value, trace):
"""
When an exception is raised, just reset curses and call
@ -194,6 +207,7 @@ class Core(object):
if self.information_win_size == 14:
return
self.information_win_size += 1
self.resize_global_information_win()
for tab in self.tabs:
tab.on_info_win_size_changed()
self.refresh_window()
@ -202,6 +216,7 @@ class Core(object):
if self.information_win_size == 0:
return
self.information_win_size -= 1
self.resize_global_information_win()
for tab in self.tabs:
tab.on_info_win_size_changed()
self.refresh_window()
@ -574,16 +589,18 @@ class Core(object):
"""
Called when we want to resize the screen
"""
tabs.Tab.resize(self.stdscr)
self.resize_global_information_win()
with resize_lock:
for tab in self.tabs:
tab.need_resize = True
tab.resize()
self.refresh_window()
def main_loop(self):
"""
main loop waiting for the user to press a key
"""
curses.ungetch(0) # FIXME
# curses.ungetch(0) # FIXME
while self.running:
char = read_char(self.stdscr)
# search for keyboard shortcut

86
src/tabs.py
View file

@ -66,11 +66,8 @@ class Tab(object):
self.need_resize = False
self.nb = Tab.number
Tab.number += 1
self.size = (self.height, self.width) = self.core.stdscr.getmaxyx()
if self.height < MIN_HEIGHT or self.width < MIN_WIDTH:
self.visible = False
else:
self.visible = True
self.visible = True
self.need_resize = False
self.key_func = {} # each tab should add their keys in there
# and use them in on_input
self.commands = {} # and their own commands
@ -81,6 +78,14 @@ class Tab(object):
Tab.tab_core = singleton.Singleton(core.Core)
return Tab.tab_core
@property
def info_win(self):
return self.core.information_win
@staticmethod
def resize(scr):
Tab.size = (Tab.height, Tab.width) = scr.getmaxyx()
def complete_commands(self, the_input):
"""
Does command completion on the specified input for both global and tab-specific
@ -135,14 +140,6 @@ class Tab(object):
else:
return False
def resize(self):
self.size = (self.height, self.width) = self.core.stdscr.getmaxyx()
if self.height < MIN_HEIGHT or self.width < MIN_WIDTH:
self.visible = False
else:
self.visible = True
self.need_resize = False
def refresh(self):
"""
Called on each screen refresh (when something has changed)
@ -227,7 +224,8 @@ class Tab(object):
"""
Called when the tab is to be closed
"""
self.input.on_delete()
if self.input:
self.input.on_delete()
def __del__(self):
log.debug('------ Closing tab %s' % self.__class__.__name__)
@ -300,24 +298,13 @@ class ChatTab(Tab):
def command_say(self, line):
raise NotImplementedError
class TabWithInfoWin(Tab):
def __init__(self):
self.info_win = windows.TextWin(20)
self.core.informations.add_window(self.info_win)
def __del__(self):
self.core.informations.del_window(self.info_win)
del self.info_win
Tab.__del__(self)
class InfoTab(ChatTab, TabWithInfoWin):
class InfoTab(ChatTab):
"""
The information tab, used to display global informations
when using a anonymous account
"""
def __init__(self):
Tab.__init__(self)
TabWithInfoWin.__init__(self)
self.tab_win = windows.GlobalInfoBar()
self.input = windows.Input()
self.name = "Info"
@ -328,7 +315,6 @@ class InfoTab(ChatTab, TabWithInfoWin):
self.resize()
def resize(self):
Tab.resize(self)
if not self.visible:
return
self.tab_win.resize(1, self.width, self.height-2, 0)
@ -385,7 +371,7 @@ class InfoTab(ChatTab, TabWithInfoWin):
def just_before_refresh(self):
return
class MucTab(ChatTab, TabWithInfoWin):
class MucTab(ChatTab):
"""
The tab containing a multi-user-chat room.
It contains an userlist, an input, a topic, an information and a chat zone
@ -393,7 +379,6 @@ class MucTab(ChatTab, TabWithInfoWin):
message_type = 'groupchat'
def __init__(self, room):
ChatTab.__init__(self, room)
TabWithInfoWin.__init__(self)
self.remote_wants_chatstates = True
# We send active, composing and paused states to the MUC because
# the chatstate may or may not be filtered by the MUC,
@ -619,19 +604,13 @@ class MucTab(ChatTab, TabWithInfoWin):
"""
Resize the whole window. i.e. all its sub-windows
"""
Tab.resize(self)
if not self.visible:
return
if self.core.information_win_size >= self.height-3:
return
text_width = (self.width//10)*9
self.topic_win.resize(1, self.width, 0, 0)
self.v_separator.resize(self.height-3, 1, 1, 9*(self.width//10))
self.text_win.resize(self.height-4-self.core.information_win_size, text_width, 1, 0)
self.text_win.rebuild_everything(self._room)
self.v_separator.resize(self.height-3, 1, 1, 9*(self.width//10))
self.user_win.resize(self.height-3, self.width-text_width-1, 1, text_width+1)
self.info_header.resize(1, (self.width//10)*9, self.height-3-self.core.information_win_size, 0)
self.info_win.resize(self.core.information_win_size, (self.width//10)*9, self.height-2-self.core.information_win_size, 0, self.core.informations)
self.user_win.resize(self.height-3-self.core.information_win_size-1, self.width-text_width-1, 1, text_width+1)
self.info_header.resize(1, self.width, self.height-3-self.core.information_win_size, 0)
self.tab_win.resize(1, self.width, self.height-2, 0)
self.input.resize(1, self.width, self.height-1, 0)
@ -718,8 +697,8 @@ class MucTab(ChatTab, TabWithInfoWin):
return
text_width = (self.width//10)*9
self.text_win.resize(self.height-4-self.core.information_win_size, text_width, 1, 0)
self.info_header.resize(1, (self.width//10)*9, self.height-3-self.core.information_win_size, 0)
self.info_win.resize(self.core.information_win_size, (self.width//10)*9, self.height-2-self.core.information_win_size, 0)
self.info_header.resize(1, self.width, self.height-3-self.core.information_win_size, 0)
self.user_win.resize(self.height-3-self.core.information_win_size-1, self.width-text_width-1, 1, text_width+1)
def just_before_refresh(self):
return
@ -910,14 +889,13 @@ class MucTab(ChatTab, TabWithInfoWin):
# finally, effectively change the user status
user.update(affiliation, show, status, role)
class PrivateTab(ChatTab, TabWithInfoWin):
class PrivateTab(ChatTab):
"""
The tab containg a private conversation (someone from a MUC)
"""
message_type = 'chat'
def __init__(self, room):
ChatTab.__init__(self, room)
TabWithInfoWin.__init__(self)
self.text_win = windows.TextWin()
room.add_window(self.text_win)
self.info_header = windows.PrivateInfoWin()
@ -951,7 +929,6 @@ class PrivateTab(ChatTab, TabWithInfoWin):
self.core.close_tab()
def resize(self):
Tab.resize(self)
if not self.visible:
return
if self.core.information_win_size >= self.height-3:
@ -959,7 +936,6 @@ class PrivateTab(ChatTab, TabWithInfoWin):
self.text_win.resize(self.height-3-self.core.information_win_size, self.width, 0, 0)
self.text_win.rebuild_everything(self._room)
self.info_header.resize(1, self.width, self.height-3-self.core.information_win_size, 0)
self.info_win.resize(self.core.information_win_size, self.width, self.height-2-self.core.information_win_size, 0, self.core.information_buffer)
self.tab_win.resize(1, self.width, self.height-2, 0)
self.input.resize(1, self.width, self.height-1, 0)
@ -1020,7 +996,6 @@ class PrivateTab(ChatTab, TabWithInfoWin):
return
self.text_win.resize(self.height-3-self.core.information_win_size, self.width, 0, 0)
self.info_header.resize(1, self.width, self.height-3-self.core.information_win_size, 0)
self.info_win.resize(self.core.information_win_size, self.width, self.height-2-self.core.information_win_size, 0, None)
def get_room(self):
return self._room
@ -1058,8 +1033,8 @@ class RosterInfoTab(Tab):
self.name = "Roster"
self.v_separator = windows.VerticalSeparator()
self.tab_win = windows.GlobalInfoBar()
self.info_win = windows.TextWin()
self.core.information_buffer.add_window(self.info_win)
self.information_win = windows.TextWin()
self.core.information_buffer.add_window(self.information_win)
self.roster_win = windows.RosterWin()
self.contact_info_win = windows.ContactInfoWin()
self.default_help_message = windows.HelpText("Enter commands with “/”. “o”: toggle offline show")
@ -1086,14 +1061,13 @@ class RosterInfoTab(Tab):
self.resize()
def resize(self):
Tab.resize(self)
if not self.visible:
return
roster_width = self.width//2
info_width = self.width-roster_width-1
self.v_separator.resize(self.height-2, 1, 0, roster_width)
self.tab_win.resize(1, self.width, self.height-2, 0)
self.info_win.resize(self.height-2-4, info_width, 0, roster_width+1, self.core.information_buffer)
self.information_win.resize(self.height-2-4, info_width, 0, roster_width+1, self.core.information_buffer)
self.roster_win.resize(self.height-2, roster_width, 0, 0)
self.contact_info_win.resize(4, info_width, self.height-2-4, roster_width+1)
self.input.resize(1, self.width, self.height-1, 0)
@ -1191,8 +1165,7 @@ class RosterInfoTab(Tab):
self.v_separator.refresh()
self.roster_win.refresh(roster)
self.contact_info_win.refresh(self.roster_win.get_selected_row())
# self.core.global_information_win.refresh(informations)
self.info_win.refresh(self.core.informations)
self.information_win.refresh(self.core.informations)
self.tab_win.refresh()
self.input.refresh()
@ -1288,9 +1261,6 @@ class RosterInfoTab(Tab):
self.roster_win.move_cursor_up()
return True
def on_info_win_size_changed(self):
pass
def on_space(self):
selected_row = self.roster_win.get_selected_row()
if isinstance(selected_row, RosterGroup) or\
@ -1341,7 +1311,7 @@ class RosterInfoTab(Tab):
def on_close(self):
return
class ConversationTab(ChatTab, TabWithInfoWin):
class ConversationTab(ChatTab):
"""
The tab containg a normal conversation (not from a MUC)
"""
@ -1349,7 +1319,6 @@ class ConversationTab(ChatTab, TabWithInfoWin):
def __init__(self, jid):
txt_buff = text_buffer.TextBuffer()
ChatTab.__init__(self, txt_buff)
TabWithInfoWin.__init__(self)
self.color_state = theme.COLOR_TAB_NORMAL
self._name = jid # a conversation tab is linked to one specific full jid OR bare jid
self.text_win = windows.TextWin()
@ -1383,7 +1352,6 @@ class ConversationTab(ChatTab, TabWithInfoWin):
self.core.close_tab()
def resize(self):
Tab.resize(self)
if not self.visible:
return
if self.core.information_win_size >= self.height-3:
@ -1392,7 +1360,6 @@ class ConversationTab(ChatTab, TabWithInfoWin):
self.text_win.rebuild_everything(self._room)
self.upper_bar.resize(1, self.width, 0, 0)
self.info_header.resize(1, self.width, self.height-3-self.core.information_win_size, 0)
self.info_win.resize(self.core.information_win_size, self.width, self.height-2-self.core.information_win_size, 0, self.core.information_buffer)
self.tab_win.resize(1, self.width, self.height-2, 0)
self.input.resize(1, self.width, self.height-1, 0)
@ -1454,7 +1421,6 @@ class ConversationTab(ChatTab, TabWithInfoWin):
return
self.text_win.resize(self.height-3-self.core.information_win_size, self.width, 0, 0)
self.info_header.resize(1, self.width, self.height-3-self.core.information_win_size, 0)
self.info_win.resize(self.core.information_win_size, self.width, self.height-2-self.core.information_win_size, 0)
def get_room(self):
return self._room
@ -1510,7 +1476,6 @@ class MucListTab(Tab):
self.input.refresh()
def resize(self):
Tab.resize(self)
if not self.visible:
return
self.upper_message.resize(1, self.width, 0, 0)
@ -1641,7 +1606,6 @@ class SimpleTextTab(Tab):
self.core.close_tab()
def resize(self):
Tab.resize(self)
if not self.visible:
return
self.text_win.resize(self.height-2, self.width, 0, 0)

11
src/windows.py
View file

@ -56,13 +56,17 @@ LINES_NB_LIMIT = 4096
class Win(object):
_win_core = None
def __init__(self):
pass
self._win = None
def _resize(self, height, width, y, x):
self.height, self.width, self.x, self.y = height, width, x, y
if height == 0 or width == 0:
return
self._win = curses.newwin(height, width, y, x)
if not self._win:
self._win = curses.newwin(height, width, y, x)
else:
self._win.resize(height, width)
self._win.mvwin(y, x)
def resize(self, height, width, y, x):
"""
@ -1456,6 +1460,7 @@ class ListWin(Win):
scrolled up and down, with one selected line at a time
"""
def __init__(self, columns, with_headers=True):
Win.__init__(self)
self._columns = columns # a tuple with the name of the columns
self._columns_sizes = {} # a dict {'column_name': size}
self.sorted_by = (None, None) # for example: ('name', '↑')
@ -1546,6 +1551,7 @@ class ColumnHeaderWin(Win):
A class displaying the column's names
"""
def __init__(self, columns):
Win.__init__(self)
self._columns = columns
self._columns_sizes = {}
@ -1566,6 +1572,7 @@ class ColumnHeaderWin(Win):
class SimpleTextWin(Win):
def __init__(self, text):
Win.__init__(self)
self._text = text
self.built_lines = []