kopia lustrzana https://github.com/inkstitch/inkstitch
766 wiersze
26 KiB
Python
766 wiersze
26 KiB
Python
# Authors: see git history
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#
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# Copyright (c) 2010 Authors
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# Licensed under the GNU GPL version 3.0 or later. See the file LICENSE for details.
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# -*- coding: UTF-8 -*-
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import os
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import random
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import sys
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from collections import defaultdict
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from copy import copy
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from itertools import groupby, zip_longest
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import wx
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from wx.lib.scrolledpanel import ScrolledPanel
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from ..commands import is_command, is_command_symbol
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from ..elements import (FillStitch, Clone, EmbroideryElement, Polyline,
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SatinColumn, Stroke)
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from ..elements.clone import is_clone
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from ..gui import PresetsPanel, SimulatorPreview, WarningPanel
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from ..i18n import _
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from ..svg.tags import SVG_POLYLINE_TAG
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from ..utils import get_resource_dir
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from .base import InkstitchExtension
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def grouper(iterable_obj, count, fillvalue=None):
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args = [iter(iterable_obj)] * count
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return zip_longest(*args, fillvalue=fillvalue)
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class ParamsTab(ScrolledPanel):
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def __init__(self, *args, **kwargs):
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self.params = kwargs.pop('params', [])
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self.name = kwargs.pop('name', None)
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self.nodes = kwargs.pop('nodes')
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kwargs["style"] = wx.TAB_TRAVERSAL
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ScrolledPanel.__init__(self, *args, **kwargs)
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self.SetupScrolling()
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self.changed_inputs = set()
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self.dependent_tabs = []
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self.parent_tab = None
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self.param_inputs = {}
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self.choice_widgets = defaultdict(list)
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self.dict_of_choices = {}
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self.paired_tab = None
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self.disable_notify_pair = False
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toggles = [param for param in self.params if param.type == 'toggle']
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if toggles:
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self.toggle = toggles[0]
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self.params.remove(self.toggle)
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self.toggle_checkbox = wx.CheckBox(
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self, label=self.toggle.description)
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value = any(self.toggle.values)
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if self.toggle.inverse:
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value = not value
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self.toggle_checkbox.SetValue(value)
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self.toggle_checkbox.Bind(
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wx.EVT_CHECKBOX, self.update_toggle_state)
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self.toggle_checkbox.Bind(wx.EVT_CHECKBOX, self.changed)
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self.param_inputs[self.toggle.name] = self.toggle_checkbox
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else:
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self.toggle = None
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self.param_change_indicators = {}
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self.settings_grid = wx.FlexGridSizer(rows=0, cols=4, hgap=10, vgap=15)
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self.settings_grid.AddGrowableCol(1, 2)
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self.settings_grid.SetFlexibleDirection(wx.HORIZONTAL)
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self.pencil_icon = wx.Image(os.path.join(get_resource_dir(
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"icons"), "pencil_20x20.png")).ConvertToBitmap()
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self.randomize_icon = wx.Image(os.path.join(get_resource_dir(
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"icons"), "randomize_20x20.png")).ConvertToBitmap()
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self.__set_properties()
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self.__do_layout()
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if self.toggle:
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self.update_toggle_state()
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# end wxGlade
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def pair(self, tab):
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self.paired_tab = tab
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self.update_description()
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def add_dependent_tab(self, tab):
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self.dependent_tabs.append(tab)
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self.update_description()
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def set_parent_tab(self, tab):
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self.parent_tab = tab
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def is_dependent_tab(self):
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return self.parent_tab is not None
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def enabled(self):
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if self.toggle_checkbox:
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return self.toggle_checkbox.IsChecked()
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else:
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return True
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def update_toggle_state(self, event=None, notify_pair=True):
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enable = self.enabled()
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for child in self.settings_grid.GetChildren():
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widget = child.GetWindow()
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if widget:
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child.GetWindow().Enable(enable)
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if notify_pair and self.paired_tab:
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self.paired_tab.pair_changed(enable)
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for tab in self.dependent_tabs:
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tab.dependent_enable(enable)
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if event:
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event.Skip()
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def update_choice_state(self, event=None):
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input = event.GetEventObject()
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selection = input.GetSelection()
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param = self.inputs_to_params[input]
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self.update_choice_widgets((param, selection))
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self.settings_grid.Layout()
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self.Fit()
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self.Layout()
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if event:
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event.Skip()
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def pair_changed(self, value):
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new_value = not value
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if self.enabled() != new_value:
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self.set_toggle_state(not value)
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self.update_toggle_state(notify_pair=False)
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if self.on_change_hook:
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self.on_change_hook(self)
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def dependent_enable(self, enable):
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if enable:
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self.toggle_checkbox.Enable()
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else:
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self.set_toggle_state(False)
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self.toggle_checkbox.Disable()
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self.update_toggle_state()
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if self.on_change_hook:
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self.on_change_hook(self)
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def set_toggle_state(self, value):
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if self.toggle_checkbox:
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self.toggle_checkbox.SetValue(value)
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self.changed_inputs.add(self.toggle_checkbox)
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def get_values(self):
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values = {}
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if self.toggle:
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checked = self.enabled()
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if self.toggle_checkbox in self.changed_inputs:
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if self.toggle.inverse:
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values[self.toggle.name] = not checked
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else:
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values[self.toggle.name] = checked
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if not checked:
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# Ignore params on this tab if the toggle is unchecked,
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# because they're grayed out anyway.
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return values
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for name, input in self.param_inputs.items():
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if input in self.changed_inputs and input != self.toggle_checkbox:
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try:
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values[name] = input.GetValue()
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except AttributeError:
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# dropdown
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values[name] = input.GetSelection()
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return values
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def on_change_seed(self, event):
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for node in self.nodes:
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random.seed()
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new_seed = random.randint(1, 10000)
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node.set_param("use_seed", new_seed)
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if self.on_change_hook:
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self.on_change_hook(self)
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event.Skip()
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def apply(self):
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values = self.get_values()
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for node in self.nodes:
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for name, value in values.items():
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node.set_param(name, value)
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def on_change(self, callable):
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self.on_change_hook = callable
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def changed(self, event):
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input = event.GetEventObject()
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self.changed_inputs.add(input)
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param = self.inputs_to_params[input]
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self.enable_change_indicator(param)
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event.Skip()
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if self.on_change_hook:
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self.on_change_hook(self)
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def load_preset(self, preset):
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preset_data = preset.get(self.name, {})
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for name, value in preset_data.items():
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if name in self.param_inputs:
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try:
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self.param_inputs[name].SetValue(value)
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except AttributeError:
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self.param_inputs[name].SetSelection(int(value))
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self.changed_inputs.add(self.param_inputs[name])
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self.update_toggle_state()
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def save_preset(self, storage):
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storage[self.name] = self.get_values()
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def update_description(self):
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if len(self.nodes) == 1:
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description = _("These settings will be applied to 1 object.")
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else:
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description = _(
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"These settings will be applied to %d objects.") % len(self.nodes)
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if any(len(param.values) > 1 for param in self.params):
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description += "\n • " + \
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_("Some settings had different values across objects. Select a value from the dropdown or enter a new one.")
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if self.dependent_tabs:
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if len(self.dependent_tabs) == 1:
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description += "\n • " + \
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_("Disabling this tab will disable the following %d tabs.") % len(
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self.dependent_tabs)
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else:
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description += "\n • " + \
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_("Disabling this tab will disable the following tab.")
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if self.paired_tab:
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description += "\n • " + \
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_("Enabling this tab will disable %s and vice-versa.") % self.paired_tab.name
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self.description_text = description
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def resized(self, event):
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if not hasattr(self, 'rewrap_timer'):
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self.rewrap_timer = wx.Timer()
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self.rewrap_timer.Bind(wx.EVT_TIMER, self.rewrap)
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# If we try to rewrap every time we get EVT_SIZE then a resize is
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# extremely slow.
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self.rewrap_timer.Start(50, oneShot=True)
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event.Skip()
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def rewrap(self, event=None):
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self.description.SetLabel(self.description_text)
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self.description.Wrap(self.GetSize().x - 20)
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self.description_container.Layout()
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if event:
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event.Skip()
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def __set_properties(self):
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# begin wxGlade: SatinPane.__set_properties
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# end wxGlade
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pass
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# choice tuple is None or contains ("choice widget param name", "actual selection")
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def update_choice_widgets(self, choice_tuple=None):
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if choice_tuple is None: # update all choices
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for choice in self.dict_of_choices.values():
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self.update_choice_widgets(
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(choice["param"].name, choice["widget"].GetSelection()))
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else:
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choice = self.dict_of_choices[choice_tuple[0]]
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last_selection = choice["last_initialized_choice"]
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current_selection = choice["widget"].GetSelection()
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if last_selection != -1 and last_selection != current_selection: # Hide the old widgets
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for widget in self.choice_widgets[(choice["param"].name, last_selection)]:
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widget.Hide()
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# self.settings_grid.Detach(widget)
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for widgets in grouper(self.choice_widgets[choice_tuple], 4):
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widgets[0].Show(True)
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widgets[1].Show(True)
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widgets[2].Show(True)
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widgets[3].Show(True)
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choice["last_initialized_choice"] = current_selection
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def __do_layout(self, only_settings_grid=False): # noqa: C901
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# just to add space around the settings
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box = wx.BoxSizer(wx.VERTICAL)
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summary_box = wx.StaticBox(
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self, wx.ID_ANY, label=_("Inkscape objects"))
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sizer = wx.StaticBoxSizer(summary_box, wx.HORIZONTAL)
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self.description = wx.StaticText(self)
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self.update_description()
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self.description.SetLabel(self.description_text)
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self.description_container = box
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self.Bind(wx.EVT_SIZE, self.resized)
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sizer.Add(self.description, proportion=0,
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flag=wx.EXPAND | wx.ALL, border=5)
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box.Add(sizer, proportion=0, flag=wx.ALL, border=5)
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if self.toggle:
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toggle_sizer = wx.BoxSizer(wx.HORIZONTAL)
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toggle_sizer.Add(self.create_change_indicator(
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self.toggle.name), proportion=0, flag=wx.ALIGN_CENTER_VERTICAL | wx.RIGHT, border=5)
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toggle_sizer.Add(self.toggle_checkbox, proportion=0,
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flag=wx.ALIGN_CENTER_VERTICAL)
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box.Add(toggle_sizer, proportion=0, flag=wx.BOTTOM, border=10)
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for param in self.params:
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col1 = self.create_change_indicator(param.name)
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description = wx.StaticText(self, label=param.description)
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description.SetToolTip(param.tooltip)
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if param.select_items is not None:
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col1.Hide()
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description.Hide()
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for item in param.select_items:
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self.choice_widgets[item].extend([col1, description])
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# else:
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self.settings_grid.Add(
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col1, proportion=0, flag=wx.ALIGN_CENTER_VERTICAL)
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self.settings_grid.Add(description, proportion=1, flag=wx.EXPAND |
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wx.RIGHT | wx.ALIGN_CENTER_VERTICAL | wx.TOP, border=5)
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if param.type == 'boolean':
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if len(param.values) > 1:
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input = wx.CheckBox(self, style=wx.CHK_3STATE)
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input.Set3StateValue(wx.CHK_UNDETERMINED)
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else:
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input = wx.CheckBox(self)
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if param.values:
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input.SetValue(param.values[0])
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input.Bind(wx.EVT_CHECKBOX, self.changed)
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elif param.type == 'dropdown':
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input = wx.Choice(self, wx.ID_ANY, choices=param.options)
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input.SetSelection(int(param.values[0]))
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input.Bind(wx.EVT_CHOICE, self.changed)
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input.Bind(wx.EVT_CHOICE, self.update_choice_state)
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self.dict_of_choices[param.name] = {
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"param": param, "widget": input, "last_initialized_choice": 1}
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elif len(param.values) > 1:
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input = wx.ComboBox(self, wx.ID_ANY, choices=sorted(
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str(value) for value in param.values), style=wx.CB_DROPDOWN)
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input.Bind(wx.EVT_COMBOBOX, self.changed)
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input.Bind(wx.EVT_TEXT, self.changed)
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else:
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value = param.values[0] if param.values else ""
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input = wx.TextCtrl(self, wx.ID_ANY, value=str(value))
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input.Bind(wx.EVT_TEXT, self.changed)
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self.param_inputs[param.name] = input
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col4 = wx.StaticText(self, label=param.unit or "")
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if param.select_items is not None:
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input.Hide()
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col4.Hide()
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for item in param.select_items:
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self.choice_widgets[item].extend([input, col4])
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# else:
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self.settings_grid.Add(
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input, proportion=1, flag=wx.ALIGN_CENTER_VERTICAL | wx.EXPAND | wx.LEFT, border=40)
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self.settings_grid.Add(
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col4, proportion=1, flag=wx.ALIGN_CENTER_VERTICAL)
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self.inputs_to_params = {v: k for k, v in self.param_inputs.items()}
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box.Add(self.settings_grid, proportion=1, flag=wx.ALL, border=10)
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add_seed_button = False
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for param in self.params:
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if param.name[:6] == "random":
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add_seed_button = True
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if add_seed_button:
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self.change_seed_button = wx.Button(self, wx.ID_ANY, _("Change Seed"))
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self.change_seed_button.Bind(wx.EVT_BUTTON, self.on_change_seed)
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self.change_seed_button.SetBitmap(self.randomize_icon)
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box.Add(self.change_seed_button, proportion=0, flag=wx.ALIGN_CENTER_HORIZONTAL, border=10)
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self.SetSizer(box)
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self.update_choice_widgets()
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self.Layout()
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def create_change_indicator(self, param):
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indicator = wx.Button(self, style=wx.BORDER_NONE |
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wx.BU_NOTEXT, size=(28, 28))
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indicator.SetToolTip(
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_('Click to force this parameter to be saved when you click "Apply and Quit"'))
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indicator.Bind(
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wx.EVT_BUTTON, lambda event: self.enable_change_indicator(param))
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self.param_change_indicators[param] = indicator
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return indicator
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def enable_change_indicator(self, param):
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self.param_change_indicators[param].SetBitmapLabel(self.pencil_icon)
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self.param_change_indicators[param].SetToolTip(
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_('This parameter will be saved when you click "Apply and Quit"'))
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self.changed_inputs.add(self.param_inputs[param])
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if self.on_change_hook:
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self.on_change_hook(self)
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# end of class SatinPane
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class SettingsFrame(wx.Frame):
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def __init__(self, *args, **kwargs):
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# This is necessary because of https://github.com/inkstitch/inkstitch/issues/1186
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if sys.platform.startswith('win'):
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import locale
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locale.setlocale(locale.LC_ALL, "C")
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lc = wx.Locale()
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lc.Init(wx.LANGUAGE_DEFAULT)
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# begin wxGlade: MyFrame.__init__
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self.tabs_factory = kwargs.pop('tabs_factory', [])
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self.cancel_hook = kwargs.pop('on_cancel', None)
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wx.Frame.__init__(self, None, wx.ID_ANY,
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_("Embroidery Params")
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)
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icon = wx.Icon(os.path.join(
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get_resource_dir("icons"), "inkstitch256x256.png"))
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self.SetIcon(icon)
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self.notebook = wx.Notebook(self, wx.ID_ANY)
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self.tabs = self.tabs_factory(self.notebook)
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for tab in self.tabs:
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tab.on_change(self.update_preview)
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self.preview = SimulatorPreview(self)
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self.presets_panel = PresetsPanel(self)
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self.warning_panel = WarningPanel(self)
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self.warning_panel.Hide()
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self.cancel_button = wx.Button(self, wx.ID_ANY, _("Cancel"))
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self.cancel_button.Bind(wx.EVT_BUTTON, self.cancel)
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self.Bind(wx.EVT_CLOSE, self.cancel)
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self.use_last_button = wx.Button(
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self, wx.ID_ANY, _("Use Last Settings"))
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self.use_last_button.Bind(wx.EVT_BUTTON, self.use_last)
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self.apply_button = wx.Button(self, wx.ID_ANY, _("Apply and Quit"))
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self.apply_button.Bind(wx.EVT_BUTTON, self.apply)
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self.notebook.SetMinSize((800, 600))
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self.__do_layout()
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# end wxGlade
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def update_preview(self, tab):
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self.preview.update()
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def generate_patches(self, abort_early):
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# called by self.preview
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patches = []
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nodes = []
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for tab in self.tabs:
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tab.apply()
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if tab.enabled() and not tab.is_dependent_tab():
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nodes.extend(tab.nodes)
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# sort nodes into the proper stacking order
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nodes.sort(key=lambda node: node.order)
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try:
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wx.CallAfter(self._hide_warning)
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for node in nodes:
|
|
if abort_early.is_set():
|
|
# cancel; params were updated and we need to start over
|
|
return []
|
|
|
|
# Making a copy of the embroidery element is an easy
|
|
# way to drop the cache in the @cache decorators used
|
|
# for many params in embroider.py.
|
|
|
|
patches.extend(copy(node).embroider(None))
|
|
except SystemExit:
|
|
wx.CallAfter(self._show_warning)
|
|
raise
|
|
except Exception:
|
|
# Ignore errors. This can be things like incorrect paths for
|
|
# satins or division by zero caused by incorrect param values.
|
|
pass
|
|
|
|
return patches
|
|
|
|
def _hide_warning(self):
|
|
self.warning_panel.Hide()
|
|
self.Layout()
|
|
|
|
def _show_warning(self):
|
|
self.warning_panel.Show()
|
|
self.Layout()
|
|
|
|
def get_preset_data(self):
|
|
# called by self.presets_panel
|
|
|
|
preset = {}
|
|
|
|
current_tab = self.tabs[self.notebook.GetSelection()]
|
|
while current_tab.parent_tab:
|
|
current_tab = current_tab.parent_tab
|
|
|
|
tabs = [current_tab]
|
|
if current_tab.paired_tab:
|
|
tabs.append(current_tab.paired_tab)
|
|
tabs.extend(current_tab.paired_tab.dependent_tabs)
|
|
tabs.extend(current_tab.dependent_tabs)
|
|
|
|
for tab in tabs:
|
|
tab.save_preset(preset)
|
|
|
|
return preset
|
|
|
|
def apply_preset_data(self, preset_data):
|
|
# called by self.presets_panel
|
|
|
|
for tab in self.tabs:
|
|
tab.load_preset(preset_data)
|
|
|
|
self.preview.update()
|
|
|
|
def _apply(self):
|
|
for tab in self.tabs:
|
|
tab.apply()
|
|
|
|
def apply(self, event):
|
|
self._apply()
|
|
self.presets_panel.store_preset("__LAST__", self.get_preset_data())
|
|
self.close()
|
|
|
|
def use_last(self, event):
|
|
self.preview.disable()
|
|
self.presets_panel.load_preset("__LAST__")
|
|
self.apply(event)
|
|
|
|
def close(self):
|
|
self.preview.close()
|
|
self.Destroy()
|
|
|
|
def cancel(self, event):
|
|
if self.cancel_hook:
|
|
self.cancel_hook()
|
|
|
|
self.close()
|
|
|
|
def __do_layout(self):
|
|
# begin wxGlade: MyFrame.__do_layout
|
|
sizer_1 = wx.BoxSizer(wx.VERTICAL)
|
|
# self.sizer_3_staticbox.Lower()
|
|
sizer_3 = wx.BoxSizer(wx.HORIZONTAL)
|
|
for tab in self.tabs:
|
|
self.notebook.AddPage(tab, tab.name)
|
|
sizer_1.Add(self.warning_panel, 0, flag=wx.EXPAND | wx.ALL, border=10)
|
|
sizer_1.Add(self.notebook, 1, wx.EXPAND |
|
|
wx.LEFT | wx.TOP | wx.RIGHT, 10)
|
|
sizer_1.Add(self.presets_panel, 0, flag=wx.EXPAND | wx.ALL, border=10)
|
|
sizer_3.Add(self.cancel_button, 0, wx.RIGHT, 5)
|
|
sizer_3.Add(self.use_last_button, 0, wx.RIGHT | wx.BOTTOM, 5)
|
|
sizer_3.Add(self.apply_button, 0, wx.RIGHT | wx.BOTTOM, 5)
|
|
sizer_1.Add(sizer_3, 0, wx.ALIGN_RIGHT, 0)
|
|
self.SetSizer(sizer_1)
|
|
sizer_1.Fit(self)
|
|
|
|
# prevent the param dialog to become smaller than 500*400
|
|
# otherwise the scrollbar jumps to the side and produces a
|
|
# deprecation warning in wxpythons scrolledpanel.py line 225 -
|
|
# which is expecting an integer, but uses previously a division
|
|
self.SetSizeHints(500, 400)
|
|
|
|
self.Layout()
|
|
# end wxGlade
|
|
|
|
|
|
class NoValidObjects(Exception):
|
|
pass
|
|
|
|
|
|
class Params(InkstitchExtension):
|
|
def __init__(self, *args, **kwargs):
|
|
self.cancelled = False
|
|
InkstitchExtension.__init__(self, *args, **kwargs)
|
|
|
|
def embroidery_classes(self, node):
|
|
element = EmbroideryElement(node)
|
|
classes = []
|
|
|
|
if not is_command(node) and not is_command_symbol(node):
|
|
if node.tag == SVG_POLYLINE_TAG:
|
|
classes.append(Polyline)
|
|
elif is_clone(node):
|
|
classes.append(Clone)
|
|
else:
|
|
if element.get_style("fill", 'black') and not element.get_style("fill-opacity", 1) == "0":
|
|
classes.append(FillStitch)
|
|
if element.get_style("stroke") is not None:
|
|
classes.append(Stroke)
|
|
if element.get_style("stroke-dasharray") is None:
|
|
classes.append(SatinColumn)
|
|
return classes
|
|
|
|
def get_nodes_by_class(self):
|
|
nodes = self.get_nodes()
|
|
nodes_by_class = defaultdict(list)
|
|
|
|
for z, node in enumerate(nodes):
|
|
for cls in self.embroidery_classes(node):
|
|
element = cls(node)
|
|
element.order = z
|
|
nodes_by_class[cls].append(element)
|
|
|
|
return sorted(list(nodes_by_class.items()), key=lambda cls_nodes: cls_nodes[0].__name__)
|
|
|
|
def get_values(self, param, nodes):
|
|
getter = 'get_param'
|
|
|
|
if param.type in ('toggle', 'boolean'):
|
|
getter = 'get_boolean_param'
|
|
else:
|
|
getter = 'get_param'
|
|
|
|
values = [item for item in (getattr(node, getter)(
|
|
param.name, param.default) for node in nodes) if item is not None]
|
|
|
|
return values
|
|
|
|
def group_params(self, params):
|
|
def by_group_and_sort_index(param):
|
|
return param.group or "", param.sort_index
|
|
|
|
def by_group(param):
|
|
return param.group or ""
|
|
|
|
return groupby(sorted(params, key=by_group_and_sort_index), by_group)
|
|
|
|
def sort_tabs(self, tabs):
|
|
def tab_sort_key(tab):
|
|
parent = tab.parent_tab or tab
|
|
|
|
sort_key = (
|
|
# For Stroke and SatinColumn, place the one that's
|
|
# enabled first. Place dependent tabs first too.
|
|
parent.toggle and parent.toggle_checkbox.IsChecked(),
|
|
|
|
# If multiple tabs are enabled, make sure dependent
|
|
# tabs are grouped with the parent.
|
|
parent and parent.name,
|
|
|
|
# Within parent/dependents, put the parent first.
|
|
tab == parent
|
|
)
|
|
|
|
return sort_key
|
|
|
|
tabs.sort(key=tab_sort_key, reverse=True)
|
|
|
|
def pair_tabs(self, tabs):
|
|
for tab in tabs:
|
|
if tab.toggle and tab.toggle.inverse:
|
|
for other_tab in tabs:
|
|
if other_tab != tab and other_tab.toggle.name == tab.toggle.name:
|
|
tab.pair(other_tab)
|
|
other_tab.pair(tab)
|
|
|
|
def assign_parents(self, tabs, parent_tab):
|
|
for tab in tabs:
|
|
if tab != parent_tab:
|
|
parent_tab.add_dependent_tab(tab)
|
|
tab.set_parent_tab(parent_tab)
|
|
|
|
def create_tabs(self, parent):
|
|
tabs = []
|
|
nodes_by_class = self.get_nodes_by_class()
|
|
|
|
if not nodes_by_class:
|
|
raise NoValidObjects()
|
|
|
|
for cls, nodes in self.get_nodes_by_class():
|
|
params = cls.get_params()
|
|
|
|
for param in params:
|
|
param.values = list(set(self.get_values(param, nodes)))
|
|
|
|
parent_tab = None
|
|
new_tabs = []
|
|
|
|
for group, params in self.group_params(params):
|
|
tab_name = group or cls.element_name
|
|
tab = ParamsTab(parent, id=wx.ID_ANY, name=tab_name,
|
|
params=list(params), nodes=nodes)
|
|
new_tabs.append(tab)
|
|
|
|
if group == "":
|
|
parent_tab = tab
|
|
|
|
self.assign_parents(new_tabs, parent_tab)
|
|
tabs.extend(new_tabs)
|
|
|
|
self.pair_tabs(tabs)
|
|
self.sort_tabs(tabs)
|
|
|
|
return tabs
|
|
|
|
def cancel(self):
|
|
self.cancelled = True
|
|
|
|
def effect(self):
|
|
try:
|
|
app = wx.App()
|
|
frame = SettingsFrame(
|
|
tabs_factory=self.create_tabs, on_cancel=self.cancel)
|
|
|
|
# position left, center
|
|
current_screen = wx.Display.GetFromPoint(wx.GetMousePosition())
|
|
display = wx.Display(current_screen)
|
|
display_size = display.GetClientArea()
|
|
frame_size = frame.GetSize()
|
|
frame.SetPosition((int(display_size[0]), int(
|
|
display_size[3]/2 - frame_size[1]/2)))
|
|
|
|
frame.Show()
|
|
app.MainLoop()
|
|
|
|
if self.cancelled:
|
|
# This prevents the superclass from outputting the SVG, because we
|
|
# may have modified the DOM.
|
|
sys.exit(0)
|
|
except NoValidObjects:
|
|
self.no_elements_error()
|