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Copy pathTextBox2.py
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228 lines (162 loc) · 6.95 KB
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#!/usr/bin/env python
"""
A test and demo of the ScaledTextbox.
It also shows how one can use the Mouse to interact and change objects on a Canvas.
this really needs to be re-done with GUI-Modes.
"""
import wx
## import the installed version
from wx.lib.floatcanvas import NavCanvas, FloatCanvas, Resources
## import a local version
#import sys
#sys.path.append("../")
#from floatcanvas import NavCanvas, FloatCanvas, Resources
import numpy as N
LongString = (
"""This is a long string. It is a bunch of text. I am using it to test how the nifty wrapping text box works when you want to re-size.
This is another paragraph. I am trying to make it long enough to wrap a reasonable amount. Let's see how it works.
This is a way to start a paragraph with indenting
"""
)
##LongString = (
##""" This is a not so long string
##Another line""")
class DrawFrame(wx.Frame):
"""
A frame used for the FloatCanvas Demo
"""
def __init__(self,parent, id,title,position,size):
wx.Frame.__init__(self,parent, id,title,position, size)
self.CreateStatusBar()
# Add the Canvas
Canvas = NavCanvas.NavCanvas(self,-1,(500,500),
ProjectionFun = None,
Debug = 0,
BackgroundColor = "DARK SLATE BLUE",
).Canvas
self.Canvas = Canvas
self.Canvas.Bind(FloatCanvas.EVT_MOTION, self.OnMove )
self.Canvas.Bind(FloatCanvas.EVT_LEFT_UP, self.OnLeftUp )
self.Canvas.Bind(FloatCanvas.EVT_LEFT_DOWN, self.OnLeftDown)
Point = N.array((0,0), N.float)
Canvas.AddCircle(Point,
Diameter=40,
FillColor="Red",
LineStyle=None,
)
Width = 300
self.Box = Canvas.AddScaledTextBox(LongString,
Point,
10,
Color = "Black",
BackgroundColor = 'White',
LineStyle = "Solid",
LineWidth = 2,
Width = Width,
PadSize = 10.0,
Family = wx.ROMAN,
#Family = wx.TELETYPE,
Style = wx.NORMAL,
Weight = wx.NORMAL,
Underlined = False,
Position = 'tl',
LineSpacing = 0.8,
Alignment = "left",
#Alignment = "center",
#Alignment = "right",
InForeground = False)
self.Handle1 = Canvas.AddBitmap(Resources.getMoveCursorBitmap(), Point, Position='cc')
self.Handle2a = Canvas.AddBitmap(Resources.getMoveRLCursorBitmap(), Point, Position='cc')
self.Handle2b = Canvas.AddBitmap(Resources.getMoveRLCursorBitmap(), Point, Position='cc')
self.SetHandles()
self.Handle1.Bind(FloatCanvas.EVT_FC_LEFT_DOWN, self.Handle1Hit)
self.Handle2a.Bind(FloatCanvas.EVT_FC_LEFT_DOWN, self.Handle2Hit)
self.Handle2b.Bind(FloatCanvas.EVT_FC_LEFT_DOWN, self.Handle2Hit)
self.Show(True)
self.Canvas.ZoomToBB()
self.Resizing = False
self.ResizeRect = None
self.Moving = False
return None
def Handle1Hit(self, object):
if not self.Moving:
self.Moving = True
self.StartPoint = object.HitCoordsPixel
def Handle2Hit(self,event=None):
if not self.Resizing:
self.Resizing = True
def OnMove(self, event):
"""
Updates the status bar with the world coordinates
And moves a point if there is one
"""
self.SetStatusText("%.4f, %.4f"%tuple(event.Coords))
if self.Resizing:
((xy),(wh)) = self.Box.GetBoxRect()
(xp, yp) = self.Canvas.WorldToPixel(xy)
(wp, hp) = self.Canvas.ScaleWorldToPixel(wh)
hp = -hp
Corner = event.GetPosition()
if self.Box.Position[1] in 'lc':
wp = max(20, Corner[0]-xp) # don't allow the box to get narrower than 20 pixels
elif self.Box.Position[1] in 'r':
DeltaX = Corner[0]-xp
xp += DeltaX
wp -= DeltaX
# draw the RB box
dc = wx.ClientDC(self.Canvas)
dc.SetPen(wx.Pen('WHITE', 2, wx.SHORT_DASH))
dc.SetBrush(wx.TRANSPARENT_BRUSH)
dc.SetLogicalFunction(wx.XOR)
if self.ResizeRect:
dc.DrawRectangle(*self.ResizeRect)
self.ResizeRect = (xp,yp,wp,hp)
dc.DrawRectangle(*self.ResizeRect)
elif self.Moving:
dxy = event.GetPosition() - self.StartPoint
((xy),(wh)) = self.Box.GetBoxRect()
xp, yp = self.Canvas.WorldToPixel(xy) + dxy
(wp, hp) = self.Canvas.ScaleWorldToPixel(wh)
hp = -hp
# draw the RB box
dc = wx.ClientDC(self.Canvas)
dc.SetPen(wx.Pen('WHITE', 2, wx.SHORT_DASH))
dc.SetBrush(wx.TRANSPARENT_BRUSH)
dc.SetLogicalFunction(wx.XOR)
if self.ResizeRect:
dc.DrawRectangle(*self.ResizeRect)
self.ResizeRect = (xp,yp,wp,hp)
dc.DrawRectangle(*self.ResizeRect)
def OnLeftDown(self, event):
pass
def OnLeftUp(self, event):
if self.Resizing:
self.Resizing = False
if self.ResizeRect:
Point = self.Canvas.PixelToWorld(self.ResizeRect[:2])
W, H = self.Canvas.ScalePixelToWorld(self.ResizeRect[2:4])
self.ResizeRect = None
self.Box.ReWrap(W)
self.SetHandles()
elif self.Moving:
self.Moving = False
if self.ResizeRect:
dxy = event.GetPosition() - self.StartPoint
dxy = self.Canvas.ScalePixelToWorld(dxy)
self.Box.Move(dxy)
self.ResizeRect = None
# self.Box.SetPoint(Point1)
self.SetHandles()
self.Canvas.Draw(True)
def SetHandles(self):
((x,y),(w,h)) = self.Box.GetBoxRect()
if self.Box.Position[1] in "lc":
x += w
y -= h/3
self.Handle2a.SetPoint((x,y))
y -= h/3
self.Handle2b.SetPoint((x,y))
self.Handle1.SetPoint(self.Box.XY)
app = wx.App()
DrawFrame(None, -1, "FloatCanvas TextBox Test App", wx.DefaultPosition, (700,700) )
app.MainLoop()