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comparison pyink/frameline.py @ 954:75bc6d9f4e0a

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Show hover mark when the pointer over a frame
author Thinker K.F. Li <thinker@codemud.net>
date Wed, 17 Nov 2010 12:52:34 +0800
parents 2346d3238e03
children 7631dbbbb2be
comparison
equal deleted inserted replaced
953:2346d3238e03 954:75bc6d9f4e0a
118 _tween_bgcolors = [0x80ff80, 0xff8080] # bg colors of tween frames 118 _tween_bgcolors = [0x80ff80, 0xff8080] # bg colors of tween frames
119 # Colors for normal frames 119 # Colors for normal frames
120 _normal_bgcolors = [0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xcccccc] 120 _normal_bgcolors = [0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xcccccc]
121 _normal_border = 0xaaaaaa # border color of normal frames. 121 _normal_border = 0xaaaaaa # border color of normal frames.
122 _active_border = 0xff3030 # border color of an active frame 122 _active_border = 0xff3030 # border color of an active frame
123 _hover_border_color = 0xa0a0a0 # border when the pointer over a frame
123 124
124 FRAME_BUT_PRESS = 'frame-button-press' 125 FRAME_BUT_PRESS = 'frame-button-press'
125 126
126 def __new__(clz, *args): 127 def __new__(clz, *args):
127 if not frameline._type: 128 if not frameline._type:
138 return fl_obj 139 return fl_obj
139 140
140 def __init__(self, num_frames=20): 141 def __init__(self, num_frames=20):
141 self.connect('button-press-event', self._press_hdl) 142 self.connect('button-press-event', self._press_hdl)
142 self.connect('expose-event', self._fl_expose) 143 self.connect('expose-event', self._fl_expose)
144 self.connect('motion-notify-event', self._motion_hdl)
143 self._num_frames = num_frames 145 self._num_frames = num_frames
144 self._keys = [] 146 self._keys = []
145 self._active_frame = -1 147 self._active_frame = -1
148 self._last_hover = -1 # frame index of last hover
146 pass 149 pass
147 150
148 def _press_hdl(self, widget, event): 151 def _press_hdl(self, widget, event):
149 frame = event.x / self._frame_width 152 frame = event.x / self._frame_width
150 but = event.button 153 but = event.button
151 self.emit(frameline.FRAME_BUT_PRESS, frame, but) 154 self.emit(frameline.FRAME_BUT_PRESS, frame, but)
155 pass
156
157 def _motion_hdl(self, widget, event):
158 frame = int(event.x / self._frame_width)
159 self._draw_hover(frame)
152 pass 160 pass
153 161
154 def _fl_expose(self, widget, event): 162 def _fl_expose(self, widget, event):
155 win = self.window 163 win = self.window
156 x, y, w, h, depth = win.get_geometry() 164 x, y, w, h, depth = win.get_geometry()
158 self._gc = gtk.gdk.GC(win) 166 self._gc = gtk.gdk.GC(win)
159 # 167 #
160 # register for button press event 168 # register for button press event
161 # 169 #
162 emask = win.get_events() 170 emask = win.get_events()
163 emask = emask | gtk.gdk.BUTTON_PRESS_MASK 171 emask = emask | gtk.gdk.BUTTON_PRESS_MASK | \
172 gtk.gdk.POINTER_MOTION_MASK
164 win.set_events(emask) 173 win.set_events(emask)
165 pass 174 pass
166 self.update() 175 self.update()
167 pass 176 pass
168 177
195 gc.set_rgb_fg_color(line_color) 204 gc.set_rgb_fg_color(line_color)
196 205
197 # 206 #
198 # Draw tween line 207 # Draw tween line
199 # 208 #
200 line_x1 = int(first_key.idx + 0.5) * self._frame_width 209 line_x1 = int((first_key.idx + 0.5) * self._frame_width)
201 line_x2 = line_x1 + (last_key.idx - first_key.idx) * self._frame_width 210 line_x2 = line_x1 + (last_key.idx - first_key.idx) * self._frame_width
202 line_y = int(w_h * 2 / 3) 211 line_y = int(w_h * 2 / 3)
203 win.draw_line(gc, line_x1, line_y, line_x2, line_y) 212 win.draw_line(gc, line_x1, line_y, line_x2, line_y)
204 pass 213 pass
205 214
206 def _draw_frame(self, idx): 215 def _draw_normal_frame(self, idx):
207 win = self.window 216 win = self.window
208 w_x, w_y, w_w, w_h, depth = win.get_geometry() 217 w_x, w_y, w_w, w_h, depth = win.get_geometry()
209 218
210 gc = self._gc 219 gc = self._gc
211 bg_idx = idx % len(self._normal_bgcolors) 220 bg_idx = idx % len(self._normal_bgcolors)
212 rgb = color_to_rgb(self._normal_bgcolors[bg_idx]) 221 rgb = color_to_rgb(self._normal_bgcolors[bg_idx])
213 color = gtk.gdk.Color(*rgb) 222 color = gtk.gdk.Color(*rgb)
214 gc.set_rgb_fg_color(color) 223 gc.set_rgb_fg_color(color)
215 224
216 f_x = self._frame_width * idx 225 f_x = self._frame_width * idx
217 win.draw_rectangle(gc, True, f_x + 1, 0, self._frame_width, w_h) 226 win.draw_rectangle(gc, True, f_x + 1, 0, self._frame_width - 1, w_h)
218 next_f_x = f_x + self._frame_width 227 next_f_x = f_x + self._frame_width
219 228
220 border_rgb = color_to_rgb(self._normal_border) 229 border_rgb = color_to_rgb(self._normal_border)
221 border_color = gtk.gdk.Color(*border_rgb) 230 border_color = gtk.gdk.Color(*border_rgb)
222 gc.set_rgb_fg_color(border_color) 231 gc.set_rgb_fg_color(border_color)
223 gc.set_line_attributes(1, gtk.gdk.LINE_SOLID, 232 gc.set_line_attributes(1, gtk.gdk.LINE_SOLID,
224 gtk.gdk.CAP_BUTT, gtk.gdk.JOIN_MITER) 233 gtk.gdk.CAP_BUTT, gtk.gdk.JOIN_MITER)
225 win.draw_line(gc, next_f_x, 0, next_f_x, w_h) 234 win.draw_line(gc, next_f_x, 0, next_f_x, w_h)
226 pass 235 pass
227 236
228 def _draw_frames(self): 237 def _draw_all_frames(self):
229 win = self.window 238 win = self.window
230 w_x, w_y, w_w, w_h, depth = win.get_geometry() 239 w_x, w_y, w_w, w_h, depth = win.get_geometry()
231 gc = self._gc 240 gc = self._gc
232 241
233 i = 0 242 i = 0
258 self._draw_tween(first_tween_key, last_tween_key) 267 self._draw_tween(first_tween_key, last_tween_key)
259 268
260 i = last_tween_key.idx + 1 269 i = last_tween_key.idx + 1
261 pass 270 pass
262 else: 271 else:
263 self._draw_frame(i) 272 self._draw_normal_frame(i)
264 i = i + 1 273 i = i + 1
265 pass 274 pass
266 pass 275 pass
267 276
268 border_rgb = color_to_rgb(self._normal_border) 277 border_rgb = color_to_rgb(self._normal_border)
270 gc.set_rgb_fg_color(border_color) 279 gc.set_rgb_fg_color(border_color)
271 stop_x = num_frames * self._frame_width 280 stop_x = num_frames * self._frame_width
272 win.draw_line(gc, 0, w_h - 1, stop_x, w_h - 1) 281 win.draw_line(gc, 0, w_h - 1, stop_x, w_h - 1)
273 pass 282 pass
274 283
284 def _draw_keyframe(self, frame_idx):
285 win = self.window
286 w_x, w_y, w_w, w_h, depth = win.get_geometry()
287
288 color_v = self._key_mark_color
289 color_rgb = color_to_rgb(color_v)
290 color = gtk.gdk.Color(*color_rgb)
291
292 gc = self._gc
293 gc.set_rgb_fg_color(color)
294
295 mark_sz = self._key_mark_sz
296 mark_x = int((frame_idx + 0.5) * self._frame_width - mark_sz / 2)
297 mark_y = w_h * 2 / 3 - mark_sz / 2
298
299 win.draw_rectangle(gc, True, mark_x, mark_y, mark_sz, mark_sz)
300 pass
301
275 def _draw_keyframes(self): 302 def _draw_keyframes(self):
276 win = self.window 303 win = self.window
277 w_x, w_y, w_w, w_h, depth = win.get_geometry() 304 w_x, w_y, w_w, w_h, depth = win.get_geometry()
278 305
279 color_v = self._key_mark_color 306 color_v = self._key_mark_color
310 win.draw_line(gc, line_x1, 0, line_x1, w_h) 337 win.draw_line(gc, line_x1, 0, line_x1, w_h)
311 win.draw_line(gc, line_x2, 0, line_x2, w_h) 338 win.draw_line(gc, line_x2, 0, line_x2, w_h)
312 win.draw_line(gc, line_x1, w_h - 1, line_x2, w_h - 1) 339 win.draw_line(gc, line_x1, w_h - 1, line_x2, w_h - 1)
313 win.draw_line(gc, line_x1, 0, line_x2, 0) 340 win.draw_line(gc, line_x1, 0, line_x2, 0)
314 pass 341 pass
342
343 ## \brief Redraw a frame specified by an index.
344 #
345 def _redraw_frame(self, frame_idx):
346 keys = [key.idx for key in self._keys]
347 try:
348 pos = keys.index(frame_idx)
349 except ValueError:
350 keys.append(frame_idx)
351 keys.sort()
352 pos = keys.index(frame_idx) - 1
353 pass
354 key = self._keys[pos]
355
356 if key.right_tween or (key.left_tween and key.idx == frame_idx):
357 first_key = last_key = key
358 first_pos = last_pos = pos
359 while first_pos > 0 and first_key.left_tween:
360 first_pos = first_pos - 1
361 first_key = self._keys[first_pos]
362 pass
363 max_pos = len(self._keys) - 1
364 while last_pos < max_pos and last_key.right_tween:
365 last_pos = last_pos + 1
366 last_key = self._keys[last_pos]
367 pass
368
369 self._draw_tween(first_key, last_key)
370
371 for i in range(first_pos, last_pos + 1):
372 key = self._keys[i]
373 self._draw_keyframe(key.idx)
374 pass
375 pass
376 else:
377 self._draw_normal_frame(frame_idx)
378 if key.idx == frame_idx:
379 self._draw_keyframe(frame_idx)
380 pass
381 pass
382 pass
383
384 ## \brief Show a mark for the pointer for a frame.
385 #
386 def _draw_hover(self, frame_idx):
387 if self._last_hover != -1:
388 self._redraw_frame(self._last_hover)
389 pass
390
391 self._draw_active()
392
393 win = self.window
394 w_x, w_y, w_w, w_h, depth = win.get_geometry()
395 gc = self._gc
396
397 color_rgb = color_to_rgb(self._hover_border_color)
398 color = gtk.gdk.Color(*color_rgb)
399 gc.set_rgb_fg_color(color)
400
401 line_x1 = frame_idx * self._frame_width + 1
402 line_x2 = line_x1 + self._frame_width - 2
403
404 win.draw_line(gc, line_x1, 1, line_x1, w_h - 2)
405 win.draw_line(gc, line_x2, 1, line_x2, w_h - 2)
406 win.draw_line(gc, line_x1, 1, line_x2, 1)
407 win.draw_line(gc, line_x1, w_h - 2, line_x2, w_h - 2)
408
409 self._last_hover = frame_idx
410 pass
315 411
316 def update(self): 412 def update(self):
317 win = self.window 413 win = self.window
318 x, y, w, h, depth = win.get_geometry() 414 x, y, w, h, depth = win.get_geometry()
319 415
320 self._draw_frames() 416 self._draw_all_frames()
321 self._draw_keyframes() 417 self._draw_keyframes()
322 if self._active_frame != -1: 418 if self._active_frame != -1:
323 self._draw_active() 419 self._draw_active()
324 pass 420 pass
325 pass 421 pass