forked from s444420/AL-2020
152 lines
5.2 KiB
Python
152 lines
5.2 KiB
Python
import pygame, sys
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import pygame.freetype
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###CONSTS
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# Set to true or add 'showevent' in argv to see IME and KEYDOWN events
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PRINT_EVENT = False
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# frames per second, the general speed of the program
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FPS = 50
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# size of window
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WINDOWWIDTH, WINDOWHEIGHT = 640, 480
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BGCOLOR = (0, 0, 0)
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# position of chatlist and chatbox
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CHATLIST_POS = pygame.Rect(0, 20, WINDOWWIDTH, 400)
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CHATBOX_POS = pygame.Rect(0, 440, WINDOWWIDTH, 40)
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CHATLIST_MAXSIZE = 20
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TEXTCOLOR = (0,255,0)
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#Add fontname for each language, otherwise some text can't be correctly displayed.
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FONTNAMES = ["notosanscjktcregular", "notosansmonocjktcregular" ,
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"notosansregular,",
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"microsoftjhengheimicrosoftjhengheiuilight",
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"microsoftyaheimicrosoftyaheiuilight",
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"msgothicmsuigothicmspgothic",
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"msmincho",
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"Arial"]
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#Version check
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if (pygame.get_sdl_version() < (2,0,0)):
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raise Exception("This example requires SDL2.")
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#Initalize
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pygame.init()
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Screen = pygame.display.set_mode((WINDOWWIDTH,WINDOWHEIGHT))
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pygame.display.set_caption("TextInput example")
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FPSClock = pygame.time.Clock()
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#Freetype
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#"The font name can be a comma separated list of font names to search for."
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FONTNAMES = ",".join(str(x) for x in FONTNAMES)
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Font = pygame.freetype.SysFont(FONTNAMES, 24)
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FontSmall = pygame.freetype.SysFont(FONTNAMES, 16)
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print("Using font: " + Font.name)
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#Main loop process
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def main():
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global BGCOLOR, PRINT_EVENT, CHATBOX_POS, CHATLIST_POS, CHATLIST_MAXSIZE
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global FPSClock , Font, Screen
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"""
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https://wiki.libsdl.org/SDL_HINT_IME_INTERNAL_EDITING
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https://wiki.libsdl.org/Tutorials/TextInput
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Candidate list not showing due to SDL2 problem ;w;
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"""
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pygame.key.start_text_input()
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input_rect = pygame.Rect(80,80,320,40)
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pygame.key.set_text_input_rect(input_rect)
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_IMEEditing = False
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_IMEText = ""
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_IMETextPos = 0
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_IMEEditingText = ""
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_IMEEditingPos = 0
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ChatList = []
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while True:
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for event in pygame.event.get():
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if event.type == pygame.QUIT:
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pygame.quit()
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return
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elif event.type == pygame.KEYDOWN:
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if (PRINT_EVENT):
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print(event)
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if _IMEEditing:
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if (len(_IMEEditingText) == 0):
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_IMEEditing = False
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continue
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if event.key == pygame.K_BACKSPACE:
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if (len(_IMEText) > 0 and _IMETextPos > 0):
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_IMEText = _IMEText[0:_IMETextPos-1] + _IMEText[_IMETextPos:]
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_IMETextPos = max(0,_IMETextPos-1)
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elif event.key == pygame.K_DELETE:
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_IMEText = _IMEText[0:_IMETextPos] + _IMEText[_IMETextPos+1:]
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elif event.key == pygame.K_LEFT:
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_IMETextPos = max(0,_IMETextPos-1)
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elif event.key == pygame.K_RIGHT:
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_IMETextPos = min(len(_IMEText),_IMETextPos+1)
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elif event.key in [pygame.K_RETURN, pygame.K_KP_ENTER] and len(event.unicode) == 0:
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#Block if we have no text to append
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if len(_IMEText) == 0:
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continue
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#Append chat list
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ChatList.append(_IMEText)
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if (len(ChatList) > CHATLIST_MAXSIZE):
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ChatList.pop(0)
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_IMEText = ""
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_IMETextPos = 0
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elif event.type == pygame.TEXTEDITING:
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if (PRINT_EVENT):
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print(event)
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_IMEEditing = True
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_IMEEditingText = event.text
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_IMEEditingPos = event.start
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elif event.type == pygame.TEXTINPUT:
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if (PRINT_EVENT):
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print(event)
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_IMEEditing = False
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_IMEEditingText = ""
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_IMEText = _IMEText[0:_IMETextPos] + event.text + _IMEText[_IMETextPos:]
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_IMETextPos += len(event.text)
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#Screen updates
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Screen.fill(BGCOLOR)
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#Chat List updates
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chat_height = CHATLIST_POS.height / CHATLIST_MAXSIZE
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for i in range(len(ChatList)):
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FontSmall.render_to(Screen, (CHATLIST_POS.x, CHATLIST_POS.y + i*chat_height), ChatList[i], TEXTCOLOR)
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#Chat box updates
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start_pos = CHATBOX_POS.copy()
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ime_textL = ">" + _IMEText[0:_IMETextPos]
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ime_textM = _IMEEditingText[0:_IMEEditingPos] + "|" + _IMEEditingText[_IMEEditingPos:]
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ime_textR = _IMEText[_IMETextPos:]
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rect_textL = Font.render_to(Screen, start_pos, ime_textL, TEXTCOLOR)
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start_pos.x += rect_textL.width
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#Editing texts should be underlined
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rect_textM = Font.render_to(Screen, start_pos, ime_textM, TEXTCOLOR, None, pygame.freetype.STYLE_UNDERLINE)
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start_pos.x += rect_textM.width
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rect_textr = Font.render_to(Screen, start_pos, ime_textR, TEXTCOLOR)
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pygame.display.update()
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FPSClock.tick(FPS)
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if __name__ == '__main__':
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if 'showevent' in sys.argv:
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PRINT_EVENT = True
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main()
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