Mercurial > MadButterfly

comparison pyink/FSM_window.py @ 1503:4d582306df85

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Manage control points of transitions by _select_manager
author Thinker K.F. Li <thinker@codemud.net>
date Sun, 08 May 2011 22:18:50 +0800
parents 376a8cb7312e
children d5b677831671
comparison
equal deleted inserted replaced
1502:376a8cb7312e 1503:4d582306df85
291 trn_cond = None 291 trn_cond = None
292 trn_g = None 292 trn_g = None
293 _arrow_node = None 293 _arrow_node = None
294 _path_node = None 294 _path_node = None
295 _control_points = None 295 _control_points = None
296 _selected_rect = None
296 297
297 def __init__(self, trn_cond): 298 def __init__(self, trn_cond):
298 self.trn_cond = trn_cond 299 self.trn_cond = trn_cond
299 pass 300 pass
300 301
304 self._state = state 305 self._state = state
305 self._states = states 306 self._states = states
306 self._fsm_layer = fsm_layer 307 self._fsm_layer = fsm_layer
307 self._control_layer = control_layer 308 self._control_layer = control_layer
308 pass 309 pass
310
311 def _translate_page_xy(self, x, y):
312 return x, y
309 313
310 @staticmethod 314 @staticmethod
311 def _update_graph(path, arrow_node, path_node): 315 def _update_graph(path, arrow_node, path_node):
312 path_txt = 'M %f,%f C %f,%f %f,%f %f,%f' % tuple(path) 316 path_txt = 'M %f,%f C %f,%f %f,%f %f,%f' % tuple(path)
313 path_node.setAttribute('d', path_txt) 317 path_node.setAttribute('d', path_txt)
555 'fill: none') 559 'fill: none')
556 arrow_node.setAttribute('style', 560 arrow_node.setAttribute('style',
557 'stroke: #000000; stroke-width: 1; ' \ 561 'stroke: #000000; stroke-width: 1; ' \
558 'fill: #000000') 562 'fill: #000000')
559 pass 563 pass
564 pass
565
566 def show_selected(self):
567 if not self._selected_rect:
568 doc = self._doc
569 rect = doc.createElement('svg:rect')
570 control_layer = self._control_layer
571 rect.setAttribute('style',
572 'stroke: #404040; stroke-width: 1; '
573 'stroke-dasharray: 6 4; fill: none')
574 control_layer.appendChild(rect)
575 self._selected_rect = rect
576 pass
577
578 trn_g = self.trn_g
579 rect = self._selected_rect
580
581 px, py, pw, ph = trn_g.getBBox()
582 x, y = self._translate_page_xy(px, py)
583 y = y - ph # px, py is left-bottom corner
584
585 rect.setAttribute('x', str(x - 2))
586 rect.setAttribute('y', str(y - 2))
587 rect.setAttribute('width', str(pw + 4))
588 rect.setAttribute('height', str(ph + 4))
589 pass
590
591 def hide_selected(self):
592 if not self._selected_rect:
593 return
594
595 control_layer = self._control_layer
596 rect = self._selected_rect
597 control_layer.removeChild(rect)
598 self._selected_rect = None
560 pass 599 pass
561 pass 600 pass
562 601
563 class FSM_state(object): 602 class FSM_state(object):
564 _doc = None 603 _doc = None
852 891
853 892
854 class _select_manager(object): 893 class _select_manager(object):
855 selected_state = None 894 selected_state = None
856 selected_transition = None 895 selected_transition = None
896 controlled_transition = None
857 897
858 def deselect(self): 898 def deselect(self):
859 pass 899 pass
860 900
861 def select_state(self, state): 901 def select_state(self, state):
862 self.deselect() 902 self.deselect()
903
863 self.selected_state = state 904 self.selected_state = state
864 state.show_selected() 905 state.show_selected()
906
865 def hide(): 907 def hide():
866 state.hide_selected() 908 state.hide_selected()
867 self.selected_state = None 909 self.selected_state = None
868 pass 910 pass
869 self.deselect = hide 911 self.deselect = hide
870 pass 912 pass
871 913
872 def select_transition(self, transition): 914 def select_transition(self, transition):
873 self.deselect() 915 self.deselect()
916
874 self.selected_transition = transition 917 self.selected_transition = transition
918 transition.show_selected()
919
920 def hide():
921 transition.hide_selected()
922 self.selected_transition = None
923 pass
924 self.deselect = hide
925 pass
926
927 def control_transition(self, transition):
928 self.deselect()
929
930 self.controlled_transition = transition
875 transition.show_control_points() 931 transition.show_control_points()
932
876 def hide(): 933 def hide():
877 transition.hide_control_points() 934 transition.hide_control_points()
878 self.selected_transition = None 935 self.controlled_transition = None
879 pass 936 pass
880 self.deselect = hide 937 self.deselect = hide
881 pass 938 pass
882 pass 939 pass
883 940
934 # that is not handled by them. 991 # that is not handled by them.
935 # 992 #
936 def _handle_transition_mouse_events(self, trn, evtype, button, x, y): 993 def _handle_transition_mouse_events(self, trn, evtype, button, x, y):
937 if evtype == pybInkscape.PYSPItem.PYB_EVENT_BUTTON_PRESS and \ 994 if evtype == pybInkscape.PYSPItem.PYB_EVENT_BUTTON_PRESS and \
938 button == 3: 995 button == 3:
996 self._select.select_transition(trn)
939 self._show_transition_menu(trn) 997 self._show_transition_menu(trn)
940 elif evtype == pybInkscape.PYSPItem.PYB_EVENT_MOUSE_ENTER: 998 elif evtype == pybInkscape.PYSPItem.PYB_EVENT_MOUSE_ENTER:
941 trn.start_hint() 999 trn.start_hint()
942 elif evtype == pybInkscape.PYSPItem.PYB_EVENT_MOUSE_LEAVE: 1000 elif evtype == pybInkscape.PYSPItem.PYB_EVENT_MOUSE_LEAVE:
943 trn.stop_hint() 1001 trn.stop_hint()
990 self._candidate_target = None 1048 self._candidate_target = None
991 pass 1049 pass
992 return 1050 return
993 self._select.deselect() 1051 self._select.deselect()
994 window.pop_grabs() 1052 window.pop_grabs()
1053 window.ungrab_bg()
995 pass 1054 pass
996 1055
997 window = self._window 1056 window = self._window
998 window.push_grabs() 1057 window.push_grabs()
999 window.ungrab_bg() 1058 window.ungrab_bg()
1071 1130
1072 _window = None 1131 _window = None
1073 _domview = None 1132 _domview = None
1074 1133
1075 _select = None 1134 _select = None
1135
1136 _on_deactivate = None
1076 1137
1077 def __init__(self, window, domview_ui, select_man): 1138 def __init__(self, window, domview_ui, select_man):
1078 super(_FSM_move_state_mode, self).__init__() 1139 super(_FSM_move_state_mode, self).__init__()
1079 1140
1080 self._window = window 1141 self._window = window
1081 self._domview = domview_ui 1142 self._domview = domview_ui
1082 self._locker = domview_ui 1143 self._locker = domview_ui
1083 1144
1084 self._popup = _FSM_popup(window, domview_ui, select_man) 1145 self._popup = _FSM_popup(window, domview_ui, select_man)
1085 self._select = select_man 1146 self._select = select_man
1147
1148 self._on_deactivate = []
1086 pass 1149 pass
1087 1150
1088 def on_move_state_background(self, item, evtype, button, x, y): 1151 def on_move_state_background(self, item, evtype, button, x, y):
1089 if evtype == pybInkscape.PYSPItem.PYB_EVENT_BUTTON_RELEASE: 1152 if evtype == pybInkscape.PYSPItem.PYB_EVENT_BUTTON_RELEASE:
1090 self._select.deselect() 1153 self._select.deselect()
1139 target_name = trn.target 1202 target_name = trn.target
1140 states = trn._states 1203 states = trn._states
1141 state_target = states[target_name] 1204 state_target = states[target_name]
1142 domview = self._domview 1205 domview = self._domview
1143 window = self._window 1206 window = self._window
1207 select = self._select
1144 1208
1145 def c1_update(rx, ry): 1209 def c1_update(rx, ry):
1146 nc1x = c1x + rx 1210 nc1x = c1x + rx
1147 nc1y = c1y + ry 1211 nc1y = c1y + ry
1148 cx, cy = state_src.xy 1212 cx, cy = state_src.xy
1158 1222
1159 state_name = state_src.state_name 1223 state_name = state_src.state_name
1160 cond = trn.trn_cond 1224 cond = trn.trn_cond
1161 domview.set_transition_path(state_name, cond, path) 1225 domview.set_transition_path(state_name, cond, path)
1162 1226
1163 trn.show_control_points() 1227 select.control_transition(trn)
1164 trn.update()
1165 pass 1228 pass
1166 1229
1167 def c1_start(): 1230 def c1_start():
1168 def relay_event(item, evtype, button, x, y): 1231 def relay_event(item, evtype, button, x, y):
1169 c1_dragger.mouse_event(evtype, button, x, y) 1232 c1_dragger.mouse_event(evtype, button, x, y)
1194 1257
1195 state_name = state_src.state_name 1258 state_name = state_src.state_name
1196 cond = trn.trn_cond 1259 cond = trn.trn_cond
1197 domview.set_transition_path(state_name, cond, path) 1260 domview.set_transition_path(state_name, cond, path)
1198 1261
1199 trn.show_control_points() 1262 select.control_transition(trn)
1200 trn.update()
1201 pass 1263 pass
1202 1264
1203 def c2_start(): 1265 def c2_start():
1204 def relay_event(item, evtype, button, x, y): 1266 def relay_event(item, evtype, button, x, y):
1205 c2_dragger.mouse_event(evtype, button, x, y) 1267 c2_dragger.mouse_event(evtype, button, x, y)
1228 pass 1290 pass
1229 1291
1230 ## \brief A transition was selected. 1292 ## \brief A transition was selected.
1231 # 1293 #
1232 def _select_transition(self, trn): 1294 def _select_transition(self, trn):
1233 self._select.select_transition(trn) 1295 def handle_bg(item, evtype, button, x, y):
1234 1296 if evtype == pybInkscape.PYSPItem.PYB_EVENT_BUTTON_PRESS:
1297 window.pop_grabs()
1298 window.ungrab_bg()
1299
1300 self._on_deactivate.pop()
1301 self._on_deactivate.pop()
1302
1303 select.deselect()
1304 del self._hint_transition
1305 pass
1306 pass
1307
1308 select = self._select
1309 select.control_transition(trn)
1310
1311 self._hint_transition = lambda trn: None
1235 trn.stop_hint() 1312 trn.stop_hint()
1236 window = self._window 1313 window = self._window
1314 window.push_grabs()
1237 window.ungrab_bg() 1315 window.ungrab_bg()
1316 window.grab_bg(handle_bg)
1238 1317
1239 self._install_trn_cps_mouse(trn) 1318 self._install_trn_cps_mouse(trn)
1319 self._on_deactivate.append(window.pop_grabs)
1320 def del_hint_transition():
1321 del self._hint_transition
1322 pass
1323 self._on_deactivate.append(del_hint_transition)
1240 pass 1324 pass
1241 1325
1242 ## \brief Hint for mouse over a transition. 1326 ## \brief Hint for mouse over a transition.
1243 # 1327 #
1244 def _hint_transition(self, trn): 1328 def _hint_transition(self, trn):
1277 window = self._window 1361 window = self._window
1278 window._emit_leave_mode() 1362 window._emit_leave_mode()
1279 window._clear_leave_mode_cb() 1363 window._clear_leave_mode_cb()
1280 window.ungrab_all() 1364 window.ungrab_all()
1281 1365
1366 window.ungrab_bg()
1282 window.grab_bg(self.on_move_state_background) 1367 window.grab_bg(self.on_move_state_background)
1283 window.grab_state(self._handle_move_state_state) 1368 window.grab_state(self._handle_move_state_state)
1284 window.grab_transition(self._handle_transitoin_mouse_events) 1369 window.grab_transition(self._handle_transitoin_mouse_events)
1285 #window.grab_edit_transition(self._handle_edit_transition) 1370 #window.grab_edit_transition(self._handle_edit_transition)
1286 #window.grab_transition_apply(self._handle_transition_apply) 1371 #window.grab_transition_apply(self._handle_transition_apply)
1288 self._popup.popup_install_handler() 1373 self._popup.popup_install_handler()
1289 pass 1374 pass
1290 1375
1291 def deactivate(self): 1376 def deactivate(self):
1292 self._select.deselect() 1377 self._select.deselect()
1378 while self._on_deactivate:
1379 deactivate = self._on_deactivate.pop()
1380 deactivate()
1381 pass
1293 pass 1382 pass
1294 pass 1383 pass
1295 1384
1296 1385
1297 class _FSM_add_state_mode(object): 1386 class _FSM_add_state_mode(object):
1438 window = self._window 1527 window = self._window
1439 1528
1440 window._emit_leave_mode() 1529 window._emit_leave_mode()
1441 window.ungrab_all() 1530 window.ungrab_all()
1442 1531
1532 window.ungrab_bg()
1443 window.grab_bg(self.on_add_state_background) 1533 window.grab_bg(self.on_add_state_background)
1444 window.grab_state(self._handle_state_mouse_events) 1534 window.grab_state(self._handle_state_mouse_events)
1445 pass 1535 pass
1446 1536
1447 def deactivate(self): 1537 def deactivate(self):
1584 self._leave_mode_cb = None 1674 self._leave_mode_cb = None
1585 pass 1675 pass
1586 pass 1676 pass
1587 1677
1588 def ungrab_all(self): 1678 def ungrab_all(self):
1589 self.ungrab_bg()
1590 self.ungrab_mouse()
1591 self.ungrab_state() 1679 self.ungrab_state()
1592 self.ungrab_add_transition() 1680 self.ungrab_add_transition()
1593 self.ungrab_transition() 1681 self.ungrab_transition()
1594 self.ungrab_edit_transition() 1682 self.ungrab_edit_transition()
1595 self.ungrab_edit_state() 1683 self.ungrab_edit_state()
1596 self.ungrab_transition_apply() 1684 self.ungrab_transition_apply()
1597 pass 1685 pass
1598 1686
1599 def save_grabs(self): 1687 def save_grabs(self):
1600 save = (self._bg_hdl, 1688 save = (self._state_mouse_event_handler,
1601 self._grab_mouse_hdl, 1689 self._transition_mouse_event_handler,
1602 self._state_mouse_event_handler,
1603 self._add_transition_cb, 1690 self._add_transition_cb,
1604 self._edit_transition_cb, 1691 self._edit_transition_cb,
1605 self._transition_apply_cb, 1692 self._transition_apply_cb,
1606 self._edit_state_cb) 1693 self._edit_state_cb)
1607 return save 1694 return save
1608 1695
1609 def restore_grabs(self, save): 1696 def restore_grabs(self, save):
1610 self._bg_hdl, \ 1697 self._state_mouse_event_handler, \
1611 self._grab_mouse_hdl, \ 1698 self._transition_mouse_event_handler, \
1612 self._state_mouse_event_handler, \
1613 self._add_transition_cb, \ 1699 self._add_transition_cb, \
1614 self._edit_transition_cb, \ 1700 self._edit_transition_cb, \
1615 self._transition_apply_cb, \ 1701 self._transition_apply_cb, \
1616 self._edit_state_cb \ 1702 self._edit_state_cb \
1617 = save 1703 = save