def refreshBuffer(self):
X, Y = self.scroll
cw, ch = self.charSize
sl, sr, st, sb = 5, 15, 5, 5
cl, rw = self.screenSize
dc = MemoryDC()
dc.SelectObject(self.bmpBuf)
dc.SetBackground(self.brushes['bkgd'])
dc.Clear()
x3, x4 = 0 * cw, cl * cw
x1, y1 = (sl - 0.5) * cw, (st - 0.5) * ch
x2, y2 = (cl - sr + 0.5) * cw, (rw - sb + 0.5) * ch
dc.SetPen(self.pens['margin'])
dc.DrawLine(x1, y1, x1, y2)
dc.DrawLine(x2, y1, x2, y2)
dc.DrawLine(x3, y1, x4, y1)
dc.DrawLine(x3, y2, x4, y2)
c1, r1, c2, r2 = self.getBlockGeometry()
dc.SetBrush(Brush(Colour(100, 100, 100)))
dc.SetPen(self.pens['transparent'])
x, y = 0, -1
for line in self.chrBuf[Y:]:
y += 1
if y + st >= rw - sb: break
self.drawText(dc, f'{y+Y:4d}', 0, y + st, self.numberChars)
if y + Y < r1 or y + Y > r2:
self.drawText(dc, line[X:], x + sl, y + st, self.normalChars)
continue
if r1 == r2:
self.drawText(dc, line[X:], x + sl, y + st, self.normalChars)
self.drawText(dc, line[X:c2], x + sl, y + st,
self.selectedChars)
self.drawText(dc, line[X:c1], x + sl, y + st, self.normalChars)
continue
if y + Y == r1:
self.drawText(dc, line[X:] + '¶', x + sl, y + st,
self.selectedChars)
self.drawText(dc, line[X:c1], x + sl, y + st, self.normalChars)
continue
if y + Y == r2:
self.drawText(dc, line[X:], x + sl, y + st, self.normalChars)
self.drawText(dc, line[X:c2], x + sl, y + st,
self.selectedChars)
continue
self.drawText(dc, line[X:] + '¶', x + sl, y + st,
self.selectedChars)
x, y = self.cursor
x1, y1, y2 = (x + sl) * cw, (y + st) * ch, (y + st + 1) * ch - 1
dc.SetPen(self.pens['cursor'])
dc.DrawLine(x1, y1, x1, y2)
dc.SelectObject(NullBitmap)
return
def refreshBuffer(self):
# get geometry
X, Y = self.scroll
cw, ch = self.charSize
sl, sr, st, sb = 5, 15, 5, 5
cl, rw = self.screenSize
# create device context
dc = MemoryDC()
# select
dc.SelectObject(self.bmpBuf)
# set background
dc.SetBackground(self.brushes['bkgd'])
# and clear buffer
dc.Clear()
# draw margins
x3, x4 = 0*cw, cl*cw
x1, y1 = (sl-0.5)*cw, (st-0.5)*ch
x2, y2 = (cl-sr+0.5)*cw, (rw-sb+0.5)*ch
dc.SetPen(self.pens['margin'])
dc.DrawLine(x1, y1, x1, y2)
dc.DrawLine(x2, y1, x2, y2)
dc.DrawLine(x3, y1, x4, y1)
dc.DrawLine(x3, y2, x4, y2)
# get block geometry
c1, r1, c2, r2 = self.getBlockGeometry()
# set brush
dc.SetBrush(Brush(Colour(100,100,100)))
dc.SetPen(self.pens['transparent'])
# draw text
x, y = 0, -1
for line in self.chrBuf[Y:]:
y += 1
if y+st >= rw-sb: break
# draw line number
self.drawText(dc, f'{y+Y:4d}', 0, y+st, self.numberChars)
# the line is outside of the block
if y+Y < r1 or y+Y > r2:
self.drawText(dc, line[X:], x+sl, y+st, self.normalChars)
continue
# block is inside if the line
if r1 == r2:
self.drawText(dc, line[X:], x+sl, y+st, self.normalChars)
self.drawText(dc, line[X:c2], x+sl, y+st, self.selectedChars)
self.drawText(dc, line[X:c1], x+sl, y+st, self.normalChars)
continue
# line at the start of the block
if y+Y == r1:
self.drawText(dc, line[X:]+'¶', x+sl, y+st, self.selectedChars)
self.drawText(dc, line[X:c1], x+sl, y+st, self.normalChars)
continue
# line at the end of the block
if y+Y == r2:
self.drawText(dc, line[X:], x+sl, y+st, self.normalChars)
self.drawText(dc, line[X:c2], x+sl, y+st, self.selectedChars)
continue
# line is inside the block
self.drawText(dc, line[X:]+'¶', x+sl, y+st, self.selectedChars)
# draw cursor
x, y = self.cursor
x1, y1, y2 = (x+sl)*cw, (y+st)*ch, (y+st+1)*ch-1
dc.SetPen(self.pens['cursor'])
dc.DrawLine(x1, y1, x1, y2)
# done
dc.SelectObject(NullBitmap)
return
