19 |
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|
20 |
from math import hypot |
from math import hypot |
21 |
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22 |
from wxPython.wx import wxWindow,\ |
from wxPython.wx import wxWindow, wxYield,\ |
23 |
wxPaintDC, wxColour, wxClientDC, wxINVERT, wxTRANSPARENT_BRUSH, wxFont,\ |
wxPaintDC, wxColour, wxClientDC, wxINVERT, wxTRANSPARENT_BRUSH, wxFont,\ |
24 |
EVT_PAINT, EVT_LEFT_DOWN, EVT_LEFT_UP, EVT_MOTION, EVT_LEAVE_WINDOW, \ |
EVT_PAINT, EVT_LEFT_DOWN, EVT_LEFT_UP, EVT_MOTION, EVT_LEAVE_WINDOW, \ |
25 |
wxBITMAP_TYPE_XPM, wxBeginBusyCursor, wxEndBusyCursor, wxCursor, \ |
wxBITMAP_TYPE_XPM, wxBeginBusyCursor, wxEndBusyCursor, wxCursor, \ |
274 |
self.selected_layer, self.selected_shapes) |
self.selected_layer, self.selected_shapes) |
275 |
return True |
return True |
276 |
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277 |
class MapCanvas(wxWindow, Publisher): |
class MapCanvas(wxWindow, Publisher): |
278 |
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279 |
"""A widget that displays a map and offers some interaction""" |
"""A widget that displays a map and offers some interaction""" |
383 |
clear = self.map is None or not self.map.HasLayers() |
clear = self.map is None or not self.map.HasLayers() |
384 |
|
|
385 |
wxBeginBusyCursor() |
wxBeginBusyCursor() |
386 |
|
wxYield() |
387 |
|
|
388 |
try: |
try: |
389 |
if not clear: |
if not clear: |
390 |
self.do_redraw() |
self.do_redraw() |