mirror of
https://github.com/Sneed-Group/Poodletooth-iLand
synced 2024-12-28 14:12:52 -06:00
402 lines
13 KiB
Python
Executable file
402 lines
13 KiB
Python
Executable file
#!/usr/bin/env python
|
|
#----------------------------------------------------------------------------
|
|
# Name: GUIMode.py
|
|
# Purpose:
|
|
#
|
|
# Author:
|
|
#
|
|
# Created:
|
|
# Version:
|
|
# Date:
|
|
# Licence:
|
|
# Tags: phoenix-port
|
|
#----------------------------------------------------------------------------
|
|
"""
|
|
|
|
Module that holds the GUI modes used by FloatCanvas
|
|
|
|
Note that this can only be imported after a wx.App() has been created.
|
|
|
|
This approach was inpired by Christian Blouin, who also wrote the initial
|
|
version of the code.
|
|
|
|
"""
|
|
|
|
import wx
|
|
import numpy as N
|
|
|
|
from . import FCEvents, Resources
|
|
from .Utilities import BBox
|
|
|
|
class Cursors(object):
|
|
"""
|
|
Class to hold the standard Cursors
|
|
|
|
"""
|
|
def __init__(self):
|
|
if "wxMac" in wx.PlatformInfo: # use 16X16 cursors for wxMac
|
|
self.HandCursor = wx.Cursor(Resources.getHand16Image())
|
|
self.GrabHandCursor = wx.Cursor(Resources.getGrabHand16Image())
|
|
|
|
img = Resources.getMagPlus16Image()
|
|
img.SetOption(wx.IMAGE_OPTION_CUR_HOTSPOT_X, 6)
|
|
img.SetOption(wx.IMAGE_OPTION_CUR_HOTSPOT_Y, 6)
|
|
self.MagPlusCursor = wx.Cursor(img)
|
|
|
|
img = Resources.getMagMinus16Image()
|
|
img.SetOption(wx.IMAGE_OPTION_CUR_HOTSPOT_X, 6)
|
|
img.SetOption(wx.IMAGE_OPTION_CUR_HOTSPOT_Y, 6)
|
|
self.MagMinusCursor = wx.Cursor(img)
|
|
else: # use 24X24 cursors for GTK and Windows
|
|
self.HandCursor = wx.Cursor(Resources.getHandImage())
|
|
self.GrabHandCursor = wx.Cursor(Resources.getGrabHandImage())
|
|
|
|
img = Resources.getMagPlusImage()
|
|
img.SetOption(wx.IMAGE_OPTION_CUR_HOTSPOT_X, 9)
|
|
img.SetOption(wx.IMAGE_OPTION_CUR_HOTSPOT_Y, 9)
|
|
self.MagPlusCursor = wx.Cursor(img)
|
|
|
|
img = Resources.getMagMinusImage()
|
|
img.SetOption(wx.IMAGE_OPTION_CUR_HOTSPOT_X, 9)
|
|
img.SetOption(wx.IMAGE_OPTION_CUR_HOTSPOT_Y, 9)
|
|
self.MagMinusCursor = wx.Cursor(img)
|
|
|
|
|
|
class GUIBase(object):
|
|
"""
|
|
Basic Mouse mode and baseclass for other GUImode.
|
|
|
|
This one does nothing with any event
|
|
|
|
"""
|
|
def __init__(self, Canvas=None):
|
|
"""
|
|
Default class constructor.
|
|
|
|
:param `Canvas`: the canvas the GUI mode is attached too
|
|
|
|
"""
|
|
self.Canvas = Canvas # set the FloatCanvas for the mode
|
|
# it gets set when the Mode is set on the Canvas.
|
|
self.Cursors = Cursors()
|
|
|
|
Cursor = wx.NullCursor
|
|
def UnSet(self):
|
|
"""
|
|
this method gets called by FloatCanvas when a new mode is being set
|
|
on the Canvas
|
|
"""
|
|
pass
|
|
# Handlers
|
|
def OnLeftDown(self, event):
|
|
pass
|
|
def OnLeftUp(self, event):
|
|
pass
|
|
def OnLeftDouble(self, event):
|
|
pass
|
|
def OnRightDown(self, event):
|
|
pass
|
|
def OnRightUp(self, event):
|
|
pass
|
|
def OnRightDouble(self, event):
|
|
pass
|
|
def OnMiddleDown(self, event):
|
|
pass
|
|
def OnMiddleUp(self, event):
|
|
pass
|
|
def OnMiddleDouble(self, event):
|
|
pass
|
|
def OnWheel(self, event):
|
|
pass
|
|
def OnMove(self, event):
|
|
pass
|
|
def OnKeyDown(self, event):
|
|
pass
|
|
def OnKeyUp(self, event):
|
|
pass
|
|
def UpdateScreen(self):
|
|
"""
|
|
Update gets called if the screen has been repainted in the middle of a zoom in
|
|
so the Rubber Band Box can get updated. Other GUIModes may require something similar
|
|
"""
|
|
pass
|
|
|
|
class GUIMouse(GUIBase):
|
|
"""
|
|
|
|
Mouse mode checks for a hit test, and if nothing is hit,
|
|
raises a FloatCanvas mouse event for each event.
|
|
|
|
"""
|
|
|
|
Cursor = wx.NullCursor
|
|
|
|
# Handlers
|
|
def OnLeftDown(self, event):
|
|
EventType = FCEvents.EVT_FC_LEFT_DOWN
|
|
if not self.Canvas.HitTest(event, EventType):
|
|
self.Canvas._RaiseMouseEvent(event, EventType)
|
|
|
|
def OnLeftUp(self, event):
|
|
EventType = FCEvents.EVT_FC_LEFT_UP
|
|
if not self.Canvas.HitTest(event, EventType):
|
|
self.Canvas._RaiseMouseEvent(event, EventType)
|
|
|
|
def OnLeftDouble(self, event):
|
|
EventType = FCEvents.EVT_FC_LEFT_DCLICK
|
|
if not self.Canvas.HitTest(event, EventType):
|
|
self.Canvas._RaiseMouseEvent(event, EventType)
|
|
|
|
def OnMiddleDown(self, event):
|
|
EventType = FCEvents.EVT_FC_MIDDLE_DOWN
|
|
if not self.Canvas.HitTest(event, EventType):
|
|
self.Canvas._RaiseMouseEvent(event, EventType)
|
|
|
|
def OnMiddleUp(self, event):
|
|
EventType = FCEvents.EVT_FC_MIDDLE_UP
|
|
if not self.Canvas.HitTest(event, EventType):
|
|
self.Canvas._RaiseMouseEvent(event, EventType)
|
|
|
|
def OnMiddleDouble(self, event):
|
|
EventType = FCEvents.EVT_FC_MIDDLE_DCLICK
|
|
if not self.Canvas.HitTest(event, EventType):
|
|
self.Canvas._RaiseMouseEvent(event, EventType)
|
|
|
|
def OnRightDown(self, event):
|
|
EventType = FCEvents.EVT_FC_RIGHT_DOWN
|
|
if not self.Canvas.HitTest(event, EventType):
|
|
self.Canvas._RaiseMouseEvent(event, EventType)
|
|
|
|
def OnRightUp(self, event):
|
|
EventType = FCEvents.EVT_FC_RIGHT_UP
|
|
if not self.Canvas.HitTest(event, EventType):
|
|
self.Canvas._RaiseMouseEvent(event, EventType)
|
|
|
|
def OnRightDouble(self, event):
|
|
EventType = FCEvents.EVT_FC_RIGHT_DCLICK
|
|
if not self.Canvas.HitTest(event, EventType):
|
|
self.Canvas._RaiseMouseEvent(event, EventType)
|
|
|
|
def OnWheel(self, event):
|
|
EventType = FCEvents.EVT_FC_MOUSEWHEEL
|
|
self.Canvas._RaiseMouseEvent(event, EventType)
|
|
|
|
def OnMove(self, event):
|
|
## The Move event always gets raised, even if there is a hit-test
|
|
self.Canvas.MouseOverTest(event)
|
|
self.Canvas._RaiseMouseEvent(event,FCEvents.EVT_FC_MOTION)
|
|
|
|
|
|
class GUIMove(GUIBase):
|
|
"""
|
|
Mode that moves the image (pans).
|
|
It doesn't change any coordinates, it only changes what the viewport is
|
|
"""
|
|
def __init__(self, canvas=None):
|
|
GUIBase.__init__(self, canvas)
|
|
self.Cursor = self.Cursors.HandCursor
|
|
self.GrabCursor = self.Cursors.GrabHandCursor
|
|
self.StartMove = None
|
|
self.MidMove = None
|
|
self.PrevMoveXY = None
|
|
|
|
## timer to give a delay when moving so that buffers aren't re-built too many times.
|
|
self.MoveTimer = wx.PyTimer(self.OnMoveTimer)
|
|
|
|
def OnLeftDown(self, event):
|
|
self.Canvas.SetCursor(self.GrabCursor)
|
|
self.Canvas.CaptureMouse()
|
|
self.StartMove = N.array( event.GetPosition() )
|
|
self.MidMove = self.StartMove
|
|
self.PrevMoveXY = (0,0)
|
|
|
|
def OnLeftUp(self, event):
|
|
self.Canvas.SetCursor(self.Cursor)
|
|
if self.StartMove is not None:
|
|
self.EndMove = N.array(event.GetPosition())
|
|
DiffMove = self.MidMove-self.EndMove
|
|
self.Canvas.MoveImage(DiffMove, 'Pixel', ReDraw=True)
|
|
|
|
def OnMove(self, event):
|
|
# Always raise the Move event.
|
|
self.Canvas._RaiseMouseEvent(event, FCEvents.EVT_FC_MOTION)
|
|
if event.Dragging() and event.LeftIsDown() and not self.StartMove is None:
|
|
self.EndMove = N.array(event.GetPosition())
|
|
self.MoveImage(event)
|
|
DiffMove = self.MidMove-self.EndMove
|
|
self.Canvas.MoveImage(DiffMove, 'Pixel', ReDraw=False)# reset the canvas without re-drawing
|
|
self.MidMove = self.EndMove
|
|
self.MoveTimer.Start(30, oneShot=True)
|
|
|
|
def OnMoveTimer(self, event=None):
|
|
self.Canvas.Draw()
|
|
|
|
def UpdateScreen(self):
|
|
## The screen has been re-drawn, so StartMove needs to be reset.
|
|
self.StartMove = self.MidMove
|
|
|
|
def MoveImage(self, event ):
|
|
#xy1 = N.array( event.GetPosition() )
|
|
xy1 = self.EndMove
|
|
wh = self.Canvas.PanelSize
|
|
xy_tl = xy1 - self.StartMove
|
|
dc = wx.ClientDC(self.Canvas)
|
|
x1,y1 = self.PrevMoveXY
|
|
x2,y2 = xy_tl
|
|
w,h = self.Canvas.PanelSize
|
|
##fixme: This sure could be cleaner!
|
|
## This is all to fill in the background with the background color
|
|
## without flashing as the image moves.
|
|
if x2 > x1 and y2 > y1:
|
|
xa = xb = x1
|
|
ya = yb = y1
|
|
wa = w
|
|
ha = y2 - y1
|
|
wb = x2- x1
|
|
hb = h
|
|
elif x2 > x1 and y2 <= y1:
|
|
xa = x1
|
|
ya = y1
|
|
wa = x2 - x1
|
|
ha = h
|
|
xb = x1
|
|
yb = y2 + h
|
|
wb = w
|
|
hb = y1 - y2
|
|
elif x2 <= x1 and y2 > y1:
|
|
xa = x1
|
|
ya = y1
|
|
wa = w
|
|
ha = y2 - y1
|
|
xb = x2 + w
|
|
yb = y1
|
|
wb = x1 - x2
|
|
hb = h - y2 + y1
|
|
elif x2 <= x1 and y2 <= y1:
|
|
xa = x2 + w
|
|
ya = y1
|
|
wa = x1 - x2
|
|
ha = h
|
|
xb = x1
|
|
yb = y2 + h
|
|
wb = w
|
|
hb = y1 - y2
|
|
|
|
dc.SetPen(wx.TRANSPARENT_PEN)
|
|
dc.SetBrush(self.Canvas.BackgroundBrush)
|
|
dc.DrawRectangle(xa, ya, wa, ha)
|
|
dc.DrawRectangle(xb, yb, wb, hb)
|
|
self.PrevMoveXY = xy_tl
|
|
if self.Canvas._ForeDrawList:
|
|
dc.DrawBitmap(self.Canvas._ForegroundBuffer,xy_tl)
|
|
else:
|
|
dc.DrawBitmap(self.Canvas._Buffer,xy_tl)
|
|
#self.Canvas.Update()
|
|
|
|
def OnWheel(self, event):
|
|
"""
|
|
By default, zoom in/out by a 0.1 factor per Wheel event.
|
|
"""
|
|
if event.GetWheelRotation() < 0:
|
|
self.Canvas.Zoom(0.9)
|
|
else:
|
|
self.Canvas.Zoom(1.1)
|
|
|
|
class GUIZoomIn(GUIBase):
|
|
"""
|
|
Mode to zoom in.
|
|
"""
|
|
|
|
def __init__(self, canvas=None):
|
|
GUIBase.__init__(self, canvas)
|
|
self.StartRBBox = None
|
|
self.PrevRBBox = None
|
|
self.Cursor = self.Cursors.MagPlusCursor
|
|
|
|
def OnLeftDown(self, event):
|
|
self.StartRBBox = N.array( event.GetPosition() )
|
|
self.PrevRBBox = None
|
|
self.Canvas.CaptureMouse()
|
|
|
|
def OnLeftUp(self, event):
|
|
if event.LeftUp() and not self.StartRBBox is None:
|
|
self.PrevRBBox = None
|
|
EndRBBox = event.GetPosition()
|
|
StartRBBox = self.StartRBBox
|
|
# if mouse has moved less that ten pixels, don't use the box.
|
|
if ( abs(StartRBBox[0] - EndRBBox[0]) > 10
|
|
and abs(StartRBBox[1] - EndRBBox[1]) > 10 ):
|
|
EndRBBox = self.Canvas.PixelToWorld(EndRBBox)
|
|
StartRBBox = self.Canvas.PixelToWorld(StartRBBox)
|
|
self.Canvas.ZoomToBB( BBox.fromPoints(N.r_[EndRBBox,StartRBBox]) )
|
|
else:
|
|
Center = self.Canvas.PixelToWorld(StartRBBox)
|
|
self.Canvas.Zoom(1.5,Center)
|
|
self.StartRBBox = None
|
|
|
|
def OnMove(self, event):
|
|
# Always raise the Move event.
|
|
self.Canvas._RaiseMouseEvent(event,FCEvents.EVT_FC_MOTION)
|
|
if event.Dragging() and event.LeftIsDown() and not (self.StartRBBox is None):
|
|
xy0 = self.StartRBBox
|
|
xy1 = N.array( event.GetPosition() )
|
|
wh = abs(xy1 - xy0)
|
|
wh[0] = max(wh[0], int(wh[1]*self.Canvas.AspectRatio))
|
|
wh[1] = int(wh[0] / self.Canvas.AspectRatio)
|
|
xy_c = (xy0 + xy1) / 2
|
|
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.PrevRBBox:
|
|
dc.DrawRectangle(*self.PrevRBBox)
|
|
self.PrevRBBox = ( xy_c - wh/2, wh )
|
|
dc.DrawRectangle( *self.PrevRBBox )
|
|
|
|
def UpdateScreen(self):
|
|
"""
|
|
Update gets called if the screen has been repainted in the middle of a zoom in
|
|
so the Rubber Band Box can get updated
|
|
"""
|
|
#if False:
|
|
if self.PrevRBBox is not None:
|
|
dc = wx.ClientDC(self.Canvas)
|
|
dc.SetPen(wx.Pen('WHITE', 2, wx.SHORT_DASH))
|
|
dc.SetBrush(wx.TRANSPARENT_BRUSH)
|
|
dc.SetLogicalFunction(wx.XOR)
|
|
dc.DrawRectangle(*self.PrevRBBox)
|
|
|
|
def OnRightDown(self, event):
|
|
self.Canvas.Zoom(1/1.5, event.GetPosition(), centerCoords="pixel")
|
|
|
|
def OnWheel(self, event):
|
|
if event.GetWheelRotation() < 0:
|
|
self.Canvas.Zoom(0.9)
|
|
else:
|
|
self.Canvas.Zoom(1.1)
|
|
|
|
class GUIZoomOut(GUIBase):
|
|
"""
|
|
Mode to zoom out.
|
|
"""
|
|
|
|
def __init__(self, Canvas=None):
|
|
GUIBase.__init__(self, Canvas)
|
|
self.Cursor = self.Cursors.MagMinusCursor
|
|
|
|
def OnLeftDown(self, event):
|
|
self.Canvas.Zoom(1/1.5, event.GetPosition(), centerCoords="pixel")
|
|
|
|
def OnRightDown(self, event):
|
|
self.Canvas.Zoom(1.5, event.GetPosition(), centerCoords="pixel")
|
|
|
|
def OnWheel(self, event):
|
|
if event.GetWheelRotation() < 0:
|
|
self.Canvas.Zoom(0.9)
|
|
else:
|
|
self.Canvas.Zoom(1.1)
|
|
|
|
def OnMove(self, event):
|
|
# Always raise the Move event.
|
|
self.Canvas._RaiseMouseEvent(event,FCEvents.EVT_FC_MOTION)
|
|
|