197 lines
5.8 KiB
Python
197 lines
5.8 KiB
Python
#!/usr/bin/env python
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""" pygame.examples.eventlist
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Learn about pygame events and input.
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At the top of the screen are the state of several device values,
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and a scrolling list of events are displayed on the bottom.
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"""
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usage = """
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Mouse Controls
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==============
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- 1st button on mouse (left click) to toggle events 'grabed'.
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- 3rd button on mouse (right click) to toggle mouse visible.
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- The window can be resized.
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- Mouse the mouse around to see mouse events.
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- If events grabbed and mouse invisible show virtual mouse coords.
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Keyboard Joystick Controls
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==========================
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- press keys up an down to see events.
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- you can see joystick events if any are plugged in.
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- press "c" to toggle events generated by controllers.
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"""
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import pygame as pg
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try:
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import pygame._sdl2.controller
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pygame._sdl2.controller.init()
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SDL2 = True
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except ImportError:
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SDL2 = False
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img_on_off = []
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font = None
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last_key = None
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# these are a running counter of mouse.get_rel() calls.
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virtual_x = 0
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virtual_y = 0
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def showtext(win, pos, text, color, bgcolor):
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textimg = font.render(text, 1, color, bgcolor)
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win.blit(textimg, pos)
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return pos[0] + textimg.get_width() + 5, pos[1]
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def drawstatus(win):
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global virtual_x, virtual_y
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bgcolor = 50, 50, 50
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win.fill(bgcolor, (0, 0, 640, 120))
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win.blit(font.render("Status Area", 1, (155, 155, 155), bgcolor), (2, 2))
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pos = showtext(win, (10, 30), "Mouse Focus", (255, 255, 255), bgcolor)
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win.blit(img_on_off[pg.mouse.get_focused()], pos)
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pos = showtext(
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win, (pos[0] + 50, pos[1]), "Mouse visible", (255, 255, 255), bgcolor
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)
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win.blit(img_on_off[pg.mouse.get_visible()], pos)
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pos = showtext(win, (330, 30), "Keyboard Focus", (255, 255, 255), bgcolor)
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win.blit(img_on_off[pg.key.get_focused()], pos)
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pos = showtext(win, (10, 60), "Mouse Position(rel)", (255, 255, 255), bgcolor)
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rel = pg.mouse.get_rel()
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virtual_x += rel[0]
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virtual_y += rel[1]
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mouse_data = tuple(list(pg.mouse.get_pos()) + list(rel))
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p = "%s, %s (%s, %s)" % mouse_data
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showtext(win, pos, p, bgcolor, (255, 255, 55))
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pos = showtext(win, (330, 60), "Last Keypress", (255, 255, 255), bgcolor)
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if last_key:
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p = "%d, %s" % (last_key, pg.key.name(last_key))
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else:
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p = "None"
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showtext(win, pos, p, bgcolor, (255, 255, 55))
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pos = showtext(win, (10, 90), "Input Grabbed", (255, 255, 255), bgcolor)
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win.blit(img_on_off[pg.event.get_grab()], pos)
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is_virtual_mouse = pg.event.get_grab() and not pg.mouse.get_visible()
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pos = showtext(win, (330, 90), "Virtual Mouse", (255, 255, 255), bgcolor)
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win.blit(img_on_off[is_virtual_mouse], pos)
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if is_virtual_mouse:
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p = f"{virtual_x}, {virtual_y}"
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showtext(win, (pos[0] + 50, pos[1]), p, bgcolor, (255, 255, 55))
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def drawhistory(win, history):
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img = font.render("Event History Area", 1, (155, 155, 155), (0, 0, 0))
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win.blit(img, (2, 132))
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ypos = 450
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h = list(history)
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h.reverse()
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for line in h:
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r = win.blit(line, (10, ypos))
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win.fill(0, (r.right, r.top, 620, r.height))
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ypos -= font.get_height()
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def draw_usage_in_history(history, text):
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lines = text.split("\n")
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for line in lines:
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if line == "" or "===" in line:
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continue
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img = font.render(line, 1, (50, 200, 50), (0, 0, 0))
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history.append(img)
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def main():
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pg.init()
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print(usage)
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win = pg.display.set_mode((640, 480), pg.RESIZABLE)
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pg.display.set_caption("Mouse Focus Workout. h key for help")
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global font
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font = pg.font.Font(None, 26)
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global img_on_off
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img_on_off.append(font.render("Off", 1, (0, 0, 0), (255, 50, 50)))
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img_on_off.append(font.render("On", 1, (0, 0, 0), (50, 255, 50)))
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# stores surfaces of text representing what has gone through the event queue
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history = []
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# let's turn on the joysticks just so we can play with em
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for x in range(pg.joystick.get_count()):
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if SDL2 and pg._sdl2.controller.is_controller(x):
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c = pg._sdl2.controller.Controller(x)
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txt = "Enabled controller: " + c.name
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else:
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j = pg.joystick.Joystick(x)
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txt = "Enabled joystick: " + j.get_name()
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img = font.render(txt, 1, (50, 200, 50), (0, 0, 0))
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history.append(img)
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if not pg.joystick.get_count():
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img = font.render("No Joysticks to Initialize", 1, (50, 200, 50), (0, 0, 0))
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history.append(img)
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going = True
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while going:
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for e in pg.event.get():
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if e.type == pg.KEYDOWN:
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if e.key == pg.K_ESCAPE:
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going = False
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else:
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global last_key
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last_key = e.key
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if e.key == pg.K_h:
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draw_usage_in_history(history, usage)
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if SDL2 and e.key == pg.K_c:
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current_state = pg._sdl2.controller.get_eventstate()
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pg._sdl2.controller.set_eventstate(not current_state)
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if e.type == pg.MOUSEBUTTONDOWN and e.button == 1:
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pg.event.set_grab(not pg.event.get_grab())
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if e.type == pg.MOUSEBUTTONDOWN and e.button == 3:
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pg.mouse.set_visible(not pg.mouse.get_visible())
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if e.type != pg.MOUSEMOTION:
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txt = f"{pg.event.event_name(e.type)}: {e.dict}"
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img = font.render(txt, 1, (50, 200, 50), (0, 0, 0))
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history.append(img)
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history = history[-13:]
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if e.type == pg.VIDEORESIZE:
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win = pg.display.set_mode(e.size, pg.RESIZABLE)
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if e.type == pg.QUIT:
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going = False
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drawstatus(win)
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drawhistory(win, history)
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pg.display.flip()
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pg.time.wait(10)
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pg.quit()
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raise SystemExit
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if __name__ == "__main__":
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main()
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