1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
#------------------------------------------------------------------------------
#
# Copyright (c) 2005, Enthought, Inc.
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in enthought/LICENSE.txt and may be redistributed only
# under the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
#
# Author: Enthought, Inc.
#
#------------------------------------------------------------------------------
""" Enthought pyface package component
"""
# Standard library imports.
from logging import DEBUG
# Major package imports.
import wx
# Enthought library imports.
from traits.api import Any, Bool, Font, Instance, Int, provides
from traits.api import Tuple, Unicode
# Local imports.
from pyface.i_splash_screen import ISplashScreen, MSplashScreen
from pyface.image_resource import ImageResource
from pyface.wx.util.font_helper import new_font_like
from .window import Window
@provides(ISplashScreen)
class SplashScreen(MSplashScreen, Window):
""" The toolkit specific implementation of a SplashScreen. See the
ISplashScreen interface for the API documentation.
"""
#### 'ISplashScreen' interface ############################################
image = Instance(ImageResource, ImageResource('splash'))
log_level = Int(DEBUG)
show_log_messages = Bool(True)
text = Unicode
text_color = Any
text_font = Any
text_location = Tuple(5, 5)
###########################################################################
# Protected 'IWidget' interface.
###########################################################################
def _create_control(self, parent):
# Get the splash screen image.
image = self.image.create_image()
splash_screen = wx.SplashScreen(
# The bitmap to display on the splash screen.
image.ConvertToBitmap(),
# Splash Style.
wx.SPLASH_NO_TIMEOUT | wx.SPLASH_CENTRE_ON_SCREEN,
# Timeout in milliseconds (we don't currently timeout!).
0,
# The parent of the splash screen.
parent,
# wx Id.
-1,
# Window style.
style = wx.SIMPLE_BORDER | wx.FRAME_NO_TASKBAR
)
# By default we create a font slightly bigger and slightly more italic
# than the normal system font ;^) The font is used inside the event
# handler for 'EVT_PAINT'.
self._wx_default_text_font = new_font_like(
wx.NORMAL_FONT,
point_size = wx.NORMAL_FONT.GetPointSize() + 1,
style = wx.ITALIC
)
# This allows us to write status text on the splash screen.
wx.EVT_PAINT(splash_screen, self._on_paint)
return splash_screen
###########################################################################
# Private interface.
###########################################################################
def _text_changed(self):
""" Called when the splash screen text has been changed. """
# Passing 'False' to 'Refresh' means "do not erase the background".
if self.control is not None:
self.control.Refresh(False)
self.control.Update()
wx.GetApp().Yield(True)
def _on_paint(self, event):
""" Called when the splash window is being repainted. """
if self.control is not None:
# Get the window that the splash image is drawn in.
window = self.control.GetSplashWindow()
dc = wx.PaintDC(window)
if self.text_font is None:
text_font = self._wx_default_text_font
else:
text_font = self.text_font
dc.SetFont(text_font)
if self.text_color is None:
text_color = 'black'
else:
text_color = self.text_color
dc.SetTextForeground(text_color)
x, y = self.text_location
dc.DrawText(self.text, x, y)
# Let the normal wx paint handling do its stuff.
event.Skip()
#### EOF ######################################################################
|
