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78 lines
2.7 KiB
78 lines
2.7 KiB
from electrum.i18n import _ |
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from PyQt5.QtGui import * |
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from PyQt5.QtCore import * |
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from PyQt5.QtWidgets import QSlider, QToolTip |
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import threading |
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class FeeSlider(QSlider): |
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def __init__(self, window, config, callback): |
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QSlider.__init__(self, Qt.Horizontal) |
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self.config = config |
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self.window = window |
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self.callback = callback |
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self.dyn = False |
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self.lock = threading.RLock() |
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self.update() |
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self.valueChanged.connect(self.moved) |
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self._active = True |
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def moved(self, pos): |
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with self.lock: |
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if self.dyn: |
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fee_rate = self.config.depth_to_fee(pos) if self.config.use_mempool_fees() else self.config.eta_to_fee(pos) |
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else: |
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fee_rate = self.config.static_fee(pos) |
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tooltip = self.get_tooltip(pos, fee_rate) |
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QToolTip.showText(QCursor.pos(), tooltip, self) |
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self.setToolTip(tooltip) |
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self.callback(self.dyn, pos, fee_rate) |
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def get_tooltip(self, pos, fee_rate): |
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mempool = self.config.use_mempool_fees() |
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target, estimate = self.config.get_fee_text(pos, self.dyn, mempool, fee_rate) |
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if self.dyn: |
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return _('Target') + ': ' + target + '\n' + _('Current rate') + ': ' + estimate |
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else: |
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return _('Fixed rate') + ': ' + target + '\n' + _('Estimate') + ': ' + estimate |
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def update(self): |
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with self.lock: |
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self.dyn = self.config.is_dynfee() |
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mempool = self.config.use_mempool_fees() |
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maxp, pos, fee_rate = self.config.get_fee_slider(self.dyn, mempool) |
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self.setRange(0, maxp) |
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self.setValue(pos) |
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tooltip = self.get_tooltip(pos, fee_rate) |
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self.setToolTip(tooltip) |
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def activate(self): |
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self._active = True |
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self.setStyleSheet('') |
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def deactivate(self): |
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self._active = False |
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# TODO it would be nice to find a platform-independent solution |
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# that makes the slider look as if it was disabled |
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self.setStyleSheet( |
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""" |
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QSlider::groove:horizontal { |
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border: 1px solid #999999; |
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height: 8px; |
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background: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #B1B1B1, stop:1 #B1B1B1); |
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margin: 2px 0; |
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} |
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QSlider::handle:horizontal { |
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background: qlineargradient(x1:0, y1:0, x2:1, y2:1, stop:0 #b4b4b4, stop:1 #8f8f8f); |
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border: 1px solid #5c5c5c; |
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width: 12px; |
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margin: -2px 0; |
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border-radius: 3px; |
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} |
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""" |
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) |
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def is_active(self): |
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return self._active
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