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Diffstat (limited to 'Demo/sgi/gl/glstdwin/glstdwin.py')
| -rw-r--r-- | Demo/sgi/gl/glstdwin/glstdwin.py | 400 |
1 files changed, 0 insertions, 400 deletions
diff --git a/Demo/sgi/gl/glstdwin/glstdwin.py b/Demo/sgi/gl/glstdwin/glstdwin.py deleted file mode 100644 index b7d02c7..0000000 --- a/Demo/sgi/gl/glstdwin/glstdwin.py +++ /dev/null @@ -1,400 +0,0 @@ -# GL STDWIN -# -# See stdwingl for a convenient hack to use this instead of built-in stdwin -# without modifying your application, except for one line in the main file. -# -# Intrinsic differences with built-in stdwin (hard or impossible to fix): -# - Need to call w.close() to close a window !!! -# - Need to call m.close() to remove a menu !!! -# - Doesn't enforce the existence of at most one drawing object -# - No textedit package -# - No X11 selections -# -# Not yet implemented: -# - shade drawing -# - elliptical arc drawing (need to play with transformation) -# - more than one mouse button -# - scroll bars (need to redo viewport handling to get this) -# - partial redraws -# - dialog boxes -# - timer events -# - cursors -# -# Extra features: -# - color (for now, you need to know the colormap index) - - -import gl -import fm -from GL import * -from DEVICE import * -from stdwinevents import * - - -# Customizable constants -# -DEF_FONT = 'Times-Roman' # Default font -DEF_SIZE = 12 # Default font size (points) -MASK = 20 # Viewport minus scrmask - - -# A structure to hold global variables -# -class Struct: pass -G = Struct() -# -G.queue = [] # Pending STDWIN events -G.drawqueue = [] # Windows that need WE_REDRAW -G.windowmap = {} # Map window id to window object -G.windowmap['0'] = None # For convenience -G.focus = None # Input focus -G.fg = BLACK # Foreground color -G.bg = WHITE # Background color -G.def_size = 0, 0 # Default window size -G.def_pos = 0, 0 # Default window position -# -G.size = DEF_SIZE -G.font = fm.findfont(DEF_FONT).scalefont(G.size) - - -# Initialize GL -# -gl.foreground() -gl.noport() -dummygid = gl.winopen('') - -# Ask for all sorts of events -# -# Both REDRAW (= resize and/or redraw!) and INPUTCHANGE are implicitly queued -#qdevice(REDRAW) -#qdevice(INPUTCHANGE) -# -# Keyboard -gl.qdevice(KEYBD) -gl.qdevice(LEFTARROWKEY) -gl.qdevice(RIGHTARROWKEY) -gl.qdevice(UPARROWKEY) -gl.qdevice(DOWNARROWKEY) -gl.qdevice(LEFTALTKEY) -gl.qdevice(RIGHTALTKEY) -# -# Mouse -gl.qdevice(LEFTMOUSE) -#gl.qdevice(MIDDLEMOUSE) -gl.qdevice(RIGHTMOUSE) # Menu button -# NB MOUSEX, MOUSEY events are queued on button down -# -# Window close requests -gl.qdevice(WINQUIT) -gl.qdevice(WINSHUT) -# -# These aren't needed -#gl.qdevice(TIMER0) -#gl.qdevice(WINFREEZE) -#gl.qdevice(WINTHAW) -#gl.qdevice(REDRAWICONIC) - - -# STDWIN: create a new window -# -def open(title): - h, v = G.def_pos - width, height = G.def_size - if h > 0 or v > 0: - # Choose arbitrary defaults - if h < 0: h = 10 - if v < 0: v = 30 - if width <= 0: width = 400 - if height <= 0: height = 300 - gl.prefposition(h, h+width, 1024-v, 1024-v-height) - elif width > 0 or height > 0: - if width <= 0: width = 400 - if height <= 0: height = 300 - gl.prefsize(width, height) - from glstdwwin import WindowObject - win = WindowObject()._init(title) - G.windowmap[`win._gid`] = win - return win - - -# STDWIN: set default initial window position (0 means use default) -# -def setdefwinpos(h, v): - G.def_pos = h, v - - -# STDWIN: set default window size (0 means use default) -# -def setdefwinsize(width, height): - G.def_size = width, height - - -# STDWIN: beep or ring the bell -# -def fleep(): - gl.ringbell() - - -# STDWIN: set default foreground color -# -def setfgcolor(color): - G.fg = color - - -# STDWIN: set default background color -# -def setbgcolor(color): - G.bg = color - - -# STDWIN: get default foreground color -# -def getfgcolor(): - return G.fgcolor - - -# STDWIN: get default background color -# -def getbgcolor(): - return G.bgcolor - - -# Table mapping characters to key codes -# -key2code = key = {} -key['A'] = AKEY -key['B'] = BKEY -key['C'] = CKEY -key['D'] = DKEY -key['E'] = EKEY -key['F'] = FKEY -key['G'] = GKEY -key['H'] = HKEY -key['I'] = IKEY -key['J'] = JKEY -key['K'] = KKEY -key['L'] = LKEY -key['M'] = MKEY -key['N'] = NKEY -key['O'] = OKEY -key['P'] = PKEY -key['Q'] = QKEY -key['R'] = RKEY -key['S'] = SKEY -key['T'] = TKEY -key['U'] = UKEY -key['V'] = VKEY -key['W'] = WKEY -key['X'] = XKEY -key['Y'] = YKEY -key['Z'] = ZKEY -key['0'] = ZEROKEY -key['1'] = ONEKEY -key['2'] = TWOKEY -key['3'] = THREEKEY -key['4'] = FOURKEY -key['5'] = FIVEKEY -key['6'] = SIXKEY -key['7'] = SEVENKEY -key['8'] = EIGHTKEY -key['9'] = NINEKEY -del key -# -code2key = {} -codelist = [] -for key in key2code.keys(): - code = key2code[key] - code2key[`code`] = key - codelist.append(code) -del key - - -# STDWIN: wait for the next event -# -commands = {} -commands['\r'] = WC_RETURN -commands['\b'] = WC_BACKSPACE -commands['\t'] = WC_TAB -# -def getevent(): - while 1: - # - # Get next event from the processed queue, if any - # - if G.queue: - event = G.queue[0] - del G.queue[0] - #print 'getevent from queue -->', event - return event - # - # Get next event from the draw queue, if any, - # but only if there is nothing in the system queue. - # - if G.drawqueue and not gl.qtest(): - win = G.drawqueue[0] - del G.drawqueue[0] - gl.winset(win._gid) - gl.color(win._bg) - gl.clear() - event = WE_DRAW, win, win._area - #print 'getevent from drawqueue -->', event - return event - # - # Get next event from system queue, blocking if necessary - # until one is available. - # Some cases immediately return the event, others do nothing - # or append one or more events to the processed queue. - # - dev, val = gl.qread() - # - if dev == REDRAW: - win = G.windowmap[`val`] - old_area = win._area - win._fixviewport() - win._needredraw() - if old_area <> win._area: - #print 'getevent --> WE_SIZE' - return WE_SIZE, win, None - elif dev == KEYBD: - if val == 3: - raise KeyboardInterrupt # Control-C in window - character = chr(val) - if commands.has_key(character): - return WE_COMMAND, G.focus, commands[character] - return WE_CHAR, G.focus, character - elif dev == LEFTARROWKEY: - if val: - return WE_COMMAND, G.focus, WC_LEFT - elif dev == RIGHTARROWKEY: - if val: - return WE_COMMAND, G.focus, WC_RIGHT - elif dev == UPARROWKEY: - if val: - return WE_COMMAND, G.focus, WC_UP - elif dev == DOWNARROWKEY: - if val: - return WE_COMMAND, G.focus, WC_DOWN - elif dev in (LEFTALTKEY, RIGHTALTKEY): - if val: - for code in codelist: - gl.qdevice(code) - else: - for code in codelist: - gl.unqdevice(code) - elif dev in codelist: - if val: - event = G.focus._doshortcut(code2key[`dev`]) - if event: - return event - elif dev == LEFTMOUSE: - G.mousex = gl.getvaluator(MOUSEX) - G.mousey = gl.getvaluator(MOUSEY) - if val: - type = WE_MOUSE_DOWN - gl.qdevice(MOUSEX) - gl.qdevice(MOUSEY) - else: - type = WE_MOUSE_UP - gl.unqdevice(MOUSEX) - gl.unqdevice(MOUSEY) - return _mouseevent(type) - elif dev == MOUSEX: - G.mousex = val - return _mouseevent(WE_MOUSE_MOVE) - elif dev == MOUSEY: - G.mousey = val - return _mouseevent(WE_MOUSE_MOVE) - elif dev == RIGHTMOUSE: # Menu button press/release - if val: # Press - event = G.focus._domenu() - if event: - return event - elif dev == INPUTCHANGE: - if G.focus: - G.queue.append(WE_DEACTIVATE, G.focus, None) - G.focus = G.windowmap[`val`] - if G.focus: - G.queue.append(WE_ACTIVATE, G.focus, None) - elif dev in (WINSHUT, WINQUIT): - return WE_CLOSE, G.windowmap[`val`], None - else: - print '*** qread() --> dev:', dev, 'val:', val - -# Helper routine to construct a mouse (up, move or down) event -# -def _mouseevent(type): - gl.winset(G.focus._gid) - orgx, orgy = gl.getorigin() - sizex, sizey = gl.getsize() - x = G.mousex - orgx - y = G.mousey - orgy - return type, G.focus, ((x, sizey-y), 1, 0, 0) - - - - -# STDWIN: text measuring functions - -def baseline(): - (printermatched, fixed_width, xorig, yorig, xsize, ysize, \ - height, nglyphs) = G.font.getfontinfo() - return height - yorig - -def lineheight(): - (printermatched, fixed_width, xorig, yorig, xsize, ysize, \ - height, nglyphs) = G.font.getfontinfo() - return height - -def textbreak(string, width): - # XXX Slooooow! - n = len(string) - nwidth = textwidth(string[:n]) - while nwidth > width: - n = n-1 - nwidth = textwidth(string[:n]) - return n - -def textwidth(string): - return G.font.getstrwidth(string) - - -# STDWIN: set default font and size - -def setfont(fontname): - G.font = fm.findfont(fontname).scalefont(G.size) - -def setsize(size): - ratio = float(size) / float(G.size) - G.size = size - G.font = G.font.scalefont(ratio) - - -# Utility functions - -# Exclusive-or of two BYTES -# -def xor(x, y): - a = bits(x) - b = bits(y) - c = [0, 0, 0, 0, 0, 0, 0, 0] - for i in range(8): - c[i] = (a[i] + b[i]) % 2 - return stib(c) - -# Return the bits of a byte as a list of 8 integers -# -def bits(x): - b = [0, 0, 0, 0, 0, 0, 0, 0] - for i in range(8): - x, b[i] = divmod(x, 2) - return b - -# Convert a list of 8 integers (0|1) to a byte -# -def stib(b): - x = 0 - shift = 1 - for i in range(8): - x = x + b[i]*shift - shift = shift*2 - return x |