ttext gui: save the history to speed up display - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
DIR Log
DIR Files
DIR Refs
DIR Submodules
---
DIR commit 19063d2395e08899abab791e7ca35372929d4917
DIR parent caef81e623d46a22045ec1047c5f9b2f84bf5aef
HTML Author: ThomasV <thomasv@gitorious>
Date: Mon, 7 Oct 2013 10:48:44 +0200
ttext gui: save the history to speed up display
Diffstat:
M gui/text.py | 25 ++++++++++++++++++++-----
1 file changed, 20 insertions(+), 5 deletions(-)
---
DIR diff --git a/gui/text.py b/gui/text.py
t@@ -46,8 +46,9 @@ class ElectrumGui:
self.str_description = ""
self.str_amount = ""
self.str_fee = ""
+ self.history = None
- self.network.register_callback('updated', self.refresh)
+ self.network.register_callback('updated', self.update)
self.network.register_callback('connected', self.refresh)
self.network.register_callback('disconnected', self.refresh)
self.network.register_callback('disconnecting', self.refresh)
t@@ -76,14 +77,30 @@ class ElectrumGui:
self.set_cursor(0)
return s
+ def update(self):
+ self.update_history()
+ if self.tab == 0:
+ self.print_history()
+ self.refresh()
def print_history(self):
+
+ width = [20, 40, 14, 14]
+ delta = (self.maxx - sum(width) - 4)/3
+ format_str = "%"+"%d"%width[0]+"s"+"%"+"%d"%(width[1]+delta)+"s"+"%"+"%d"%(width[2]+delta)+"s"+"%"+"%d"%(width[3]+delta)+"s"
+
+ if self.history is None:
+ self.update_history()
+
+ self.print_list(self.history[::-1], format_str%( _("Date"), _("Description"), _("Amount"), _("Balance")))
+
+ def update_history(self):
width = [20, 40, 14, 14]
delta = (self.maxx - sum(width) - 4)/3
format_str = "%"+"%d"%width[0]+"s"+"%"+"%d"%(width[1]+delta)+"s"+"%"+"%d"%(width[2]+delta)+"s"+"%"+"%d"%(width[3]+delta)+"s"
b = 0
- messages = []
+ self.history = []
for item in self.wallet.get_tx_history():
tx_hash, conf, is_mine, value, fee, balance, timestamp = item
t@@ -96,9 +113,7 @@ class ElectrumGui:
time_str = 'pending'
label, is_default_label = self.wallet.get_label(tx_hash)
- messages.append( format_str%( time_str, label, format_satoshis(value, whitespaces=True), format_satoshis(balance, whitespaces=True) ) )
-
- self.print_list(messages[::-1], format_str%( _("Date"), _("Description"), _("Amount"), _("Balance")))
+ self.history.append( format_str%( time_str, label, format_satoshis(value, whitespaces=True), format_satoshis(balance, whitespaces=True) ) )
def print_balance(self):