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Code Issues Releases Wiki Activity

Changed redraw policy.

This commit is contained in:
Guido van Rossum 1993-11-01 14:48:37 +00:00
parent 615194a352
commit b71f879baf
1 changed files with 24 additions and 14 deletions
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38
Demo/cwilib/vt100win.py
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@ -9,16 +9,18 @@ class VT100win(VT100):
def __init__(self):
VT100.__init__(self)
self.window = None
## self.last_x = -1
## self.last_y = -1
self.last_x = -1
self.last_y = -1
def __del__(self):
self.close()
def open(self, title):
stdwin.setfont('7x14')
self.docwidth = self.width * stdwin.textwidth('m')
self.docheight = self.height * stdwin.lineheight()
self.charwidth = stdwin.textwidth('m')
self.lineheight = stdwin.lineheight()
self.docwidth = self.width * self.charwidth
self.docheight = self.height * self.lineheight
stdwin.setdefwinsize(self.docwidth + 2, self.docheight + 2)
stdwin.setdefscrollbars(0, 0)
self.window = stdwin.open(title)
@ -31,7 +33,8 @@ class VT100win(VT100):
def show(self):
if not self.window: return
self.draw(((-10, -10), (self.docwidth+10, self.docheight+10)))
self.window.change(((-10, -10),
(self.docwidth+10, self.docheight+10)))
def draw(self, detail):
d = self.window.begindrawing()
@ -39,8 +42,8 @@ class VT100win(VT100):
red = stdwin.fetchcolor('red')
d.cliprect(detail)
d.erase(detail)
lh = d.lineheight()
cw = d.textwidth('m')
lh = self.lineheight
cw = self.charwidth
for y in range(self.height):
d.text((0, y*lh), self.lines[y].tostring())
if self.attrs[y] <> self.blankattr:
@ -56,13 +59,20 @@ class VT100win(VT100):
d.setfgcolor(fg)
d.close()
## def move_to(self, x, y):
## VT100.move_to(self, x, y)
## if self.y != self.last_y:
## self.show()
## self.last_x = self.x
## self.last_y = y
def move_to(self, x, y):
VT100.move_to(self, x, y)
if not self.window: return
if self.y != self.last_y:
self.window.change((0, self.last_y * self.lineheight),
(self.width*self.charwidth,
(self.last_y+1) * self.lineheight))
self.last_x = self.x
self.last_y = y
self.window.change((0, self.y * self.lineheight),
(self.width*self.charwidth,
(self.y+1) * self.lineheight))
def send(self, str):
VT100.send(self, str)
self.show()
## self.show()