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wxPySTC_DocMap_v0.2.py
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wxPySTC_DocMap_v0.2.py
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import wx
import wx.stc as stc
##########################################################################################
##########################################################################################
# ZoneRectRounded = True
# ZoneRectRoundedRadius = 5
# ZoneRectLineColour = "#0000FF"
# ZoneRectLineStyle = 112
# ZoneRectLineWidth = 1
# ZoneFillColour = "#FFE7CE"
# ZoneFillAlpha = 64
# ZoneCentreLine = True
# ZoneCentreLineColour = RED
# ZoneCentreLineStyle = 101
# ZoneCentreLineWidth = 1
# ZoneCentreDot = True
# ZoneCentreDotColour = BLUE
# ZoneCentreDotRadius = 2
# ScrollNumLinesWheel = 10
# ScrollNumLinesEdge = 25
# ScrollFactorWheel = 11
# EdgeTextIndicator = True
# EdgeTextTop = " [ Top ] "
# EdgeTextBottom = " [ Bottom ] "
# EdgeTextFont = Courier New
# EdgeTextForeColour = BLUE
# EdgeTextBackColour = "#FFD5AA"
# CursorTypeNormal = 1
# CursorTypeHover = 19
# CursorTypeDrag = 6
# CursorTypeScroll = 24
# CursorTypeEdge = 11
# CursorTypeHoverShow = True
# CursorTypeDragShow = True
# TooltipHoverShow = True
# TooltipDragShow = True
# # use local 'cfg' for convenient short naming
# cfg = self.cfg['DocumentMap']
# # zone rectangle, outline and fill
# dc.SetPen(wx.Pen(cfg['ZoneRectLineColour'], cfg['ZoneRectLineWidth'], cfg['ZoneRectLineStyle']))
# clr = [int(cfg['ZoneFillColour'][i:i + 2], 16) for i in (1, 3, 5)] # (r, g, b)
# clr.append(cfg['ZoneFillAlpha']) # transparency -> (r, g, b, a)
# dc.SetBrush(wx.Brush(clr))
# if cfg['ZoneRectRounded']:
# dc.DrawRoundedRectangle(self.zone_rect, cfg['ZoneRectRoundedRadius'])
# else:
# dc.DrawRectangle(self.zone_rect) # WHEN USING wx.GraphicsContext: dc.DrawRectangle(*self.zone_rect)
# mid = self.zone_size[1] // 2
# # zone line, centered
# if cfg['ZoneCentreLine']:
# left = (0, self.zone_startPos[1] + mid)
# right = (self.zone_endPos[0], self.zone_endPos[1] - mid)
# dc.SetPen(wx.Pen(cfg['ZoneCentreLineColour'], cfg['ZoneCentreLineWidth'], cfg['ZoneCentreLineStyle'])) # , wx.PENSTYLE_DOT
# dc.DrawLine(left, right) # WHEN USING wx.GraphicsContext: dc.DrawLines((left, right))
# # zone dot, centered
# if cfg['ZoneCentreDot']:
# dc.SetPen(wx.Pen(cfg['ZoneCentreDotColour'], 1)) # , wx.PENSTYLE_DOT
# # dc.SetBrush(wx.Brush('BLUE'))
# dc.DrawCircle(self.zone_size[0] // 2, self.zone_startPos[1] + mid, cfg['ZoneCentreDotRadius'])
# # zone text, top/bottom indicator
# if cfg['EdgeTextIndicator']:
# txt = ''
# if self.top and self.bof:
# txt = cfg['EdgeTextTop']
# if self.bot and self.eof:
# txt = cfg['EdgeTextBottom']
# #FIX, cfg['DocumentMap']['Edge...'], fine tuning, EdgeTextPosition
# if txt:
# dc.SetBackgroundMode(wx.SOLID) # wx.TRANSPARENT
# dc.SetFont(wx.Font(10, wx.FONTFAMILY_SWISS, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_BOLD, False, cfg['EdgeTextFont']))
# dc.SetTextForeground(cfg['EdgeTextForeColour'])
# dc.SetTextBackground(cfg['EdgeTextBackColour'])
# wid = dc.GetTextExtent(txt)[0] + 5
# dc.DrawText(txt, self.zone_rect[:2] + wx.Point(self.zone_size[0] - wid, 5))
##########################################################################################
##########################################################################################
class DragZone:
def __init__(self):
self.bmp = None
self.pos = (0, 0)
self.shown = True
def Contains(self, pt):
return self.GetRect().Contains(pt)
def GetRect(self):
return wx.Rect(self.pos, self.bmp.Size)
def Draw(self, dc):
self.SetTransparency(0x80)
dc.DrawBitmap(self.bmp, self.GetRect()[:2])
#INFO, wx.DragImage transparency- · Issue #378 · wxWidgets-Phoenix
#INFO, URL=https://github.com/wxWidgets/Phoenix/issues/378
def SetTransparency(self, alpha=0x80):
img = self.bmp.ConvertToImage()
if not img.HasAlpha():
img.InitAlpha()
for x in range(img.Width):
for y in range(img.Height):
img.SetAlpha(x, y, alpha)
self.bmp = img.ConvertToBitmap()
#INFO, URL=http://www.informit.com/articles/article.aspx?p=405047
#INFO, Drawing on Bitmaps with wxMemoryDC
def Create(self, size):
# limit zone size
min_size = 3
size = (max(min_size, size[0]), max(min_size, size[1]))
# self.pos = (0, max(0, self.pos[1]))
# prepare memory bitmap for drawing
mdc = wx.MemoryDC()
self.bmp = wx.Bitmap(size)
mdc.SelectObject(self.bmp)
# mdc.Clear()
# zone surface
mdc.SetPen(wx.Pen('BLUE', 1, wx.PENSTYLE_SOLID))
mdc.SetBrush(wx.Brush('#FFE7CE'))
mdc.DrawRectangle(0, 0, *size) # mdc.DrawRoundedRectangle(0, 0, *size, 5)
# zone line, centered
x, _, w, h = self.GetRect()
mid = h // 2
left = (x, mid)
right = (w, mid)
mdc.SetPen(wx.Pen('RED', 1, wx.PENSTYLE_DOT))
mdc.DrawLine(left, right)
# zone dot, centered
mdc.SetPen(wx.Pen('BLUE', 1))
mdc.SetBrush(wx.Brush('BLUE', wx.BRUSHSTYLE_TRANSPARENT))
mdc.DrawCircle(w // 2, mid, 2)
# # zone text, top/bottom indicator
# txt = ''
# if self.pos[1] <= 0:
# txt = ' [ Top ] '
# if self.pos[1] > 300:
# txt = ' [ Bottom ] '
# if txt:
# mdc.SetBackgroundMode(wx.SOLID) # wx.TRANSPARENT
# mdc.SetFont(wx.Font(10, wx.FONTFAMILY_SWISS, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_BOLD, False, 'Courier New'))
# mdc.SetTextForeground('BLUE')
# mdc.SetTextBackground('#FFD5AA')
# wid = mdc.GetTextExtent(txt)[0] + 5
# mdc.DrawText(txt, (0, 0) + wx.Point(size[0] - wid, 5))
mdc.SelectObject(wx.NullBitmap)
class DocumentMap(stc.StyledTextCtrl):
def __init__(self, parent, doc):
super(DocumentMap, self).__init__(parent)
self.parent = parent
self.doc = doc
# create 2nd view for document
self.doc.AddRefDocument(self.doc.DocPointer)
self.SetDocPointer(self.doc.DocPointer)
self.dragImage = None
self.dragShape = None
self.zone = DragZone()
self.SetCursor(wx.Cursor(wx.CURSOR_ARROW))
self.InitSTC()
# wx.CallAfter(self.RefreshZone)
self.parent.Bind(wx.EVT_SIZE, self.Size)
self.doc.Bind(stc.EVT_STC_UPDATEUI, self.DocPosChanged)
self.doc.Bind(stc.EVT_STC_ZOOM, lambda e: self.Refresh())
self.Bind(stc.EVT_STC_PAINTED, self.Paint)
self.Bind(wx.EVT_LEFT_DOWN, self.LeftDown)
self.Bind(wx.EVT_LEFT_UP, self.LeftUp)
self.Bind(wx.EVT_MOTION, self.Motion)
# disable map text selection and mouse wheel
self.Bind(wx.EVT_LEFT_DCLICK, lambda e: e.Skip)
self.Bind(wx.EVT_MOUSEWHEEL, lambda e: e.SetWheelRotation(0))
def InitSTC(self):
self.SetZoom(-10)
self.SetExtraAscent(0)
self.SetExtraDescent(-1)
self.SetDoubleBuffered(True) # ensure smooth zone drawing
self.UsePopUp(False) # disable popup menu
mlh = False # marker line background colour
self.SetMarginWidth(0, 0)
self.SetMarginWidth(1, 0 if mlh else 1)
self.SetMarginWidth(2, 0)
self.SetIndentationGuides(stc.STC_IV_NONE)
# no scrollbars
self.SetUseHorizontalScrollBar(False)
self.SetUseVerticalScrollBar(False)
self.SetScrollWidthTracking(False)
# hide caret
self.SetCaretWidth(0)
self.SetReadOnly(True)
self.doc.SetReadOnly(False)
# self.Enable(False)
# self.SetCursor(wx.Cursor(wx.CURSOR_ARROW)) # sometimes text insert cursor shows
#TODO, tightly coupled with DocumentEditor!
self.doc.Styling(self)
def Size(self, evt):
self.SetSize(self.parent.Size)
self.RefreshZone()
# keep zone inside map
x, y, _, h = self.zone.GetRect()
if y + h > self.ClientSize[1] - self.TextHeight(0):
self.SetFirstVisibleLine(self.FirstVisibleLine + 1)
self.zone.pos = (x, y - self.TextHeight(0))
self.Refresh()
def Paint(self, evt):
dc = wx.PaintDC(self)
self.RefreshZone()
if self.zone.shown:
self.zone.Draw(dc)
def LeftDown(self, evt):
pos = evt.Position
# If drag zone was 'hit', then set that as the shape we're going to
# drag around. Get our start position. Dragging has not yet started.
if self.zone.Contains(pos):
self.dragShape = self.zone
self.dragStartPos = pos
# prevent interfering with drag
self.doc.Bind(stc.EVT_STC_UPDATEUI, None)
return
# center drag zone around clicked line
self.CalcHeights()
clicked_line = self.FirstVisibleLine - (self.zone_height // 2 - pos[1]) // self.TextHeight(0)
top_y = clicked_line * self.GetDocScrollRatio()
top_y = min(top_y, self.scroll_height)
top_line = self.GetTopLine(top_y)
self.SyncDoc(top_line, top_y)
self.SyncMap(top_line, top_y)
def LeftUp(self, evt):
self.SetToolTip('')
if not self.dragImage or not self.dragShape:
self.dragImage = None
self.dragShape = None
return
self.doc.Bind(stc.EVT_STC_UPDATEUI, self.DocPosChanged)
# adjust mouse pointer position
# self.WarpPointer(self.dragStartPos[0], evt.Position[1])
# Hide the image, end dragging, and nuke out the drag image.
self.dragImage.EndDrag()
self.dragImage = None
top_y = self.GetTopY(evt.Position[1])
self.dragShape.pos = (0, top_y)
self.dragShape.shown = True
self.RefreshRect(self.zone.GetRect(), True)
self.dragShape = None
def Motion(self, evt):
# Ignore mouse movement if we're not dragging.
if not self.dragShape or not evt.Dragging() or not evt.LeftIsDown():
return
# if we have a shape, but haven't started dragging yet
if self.dragShape and not self.dragImage:
pos = evt.Position
# refresh map area where the drag zone was so it will get erased.
self.dragShape.shown = False
self.RefreshRect(self.zone.GetRect(), True)
self.Update()
img = self.dragShape.bmp
#TODO, mask zone surface colour
# mask = wx.Mask(img, '#FFE7CE')
# img.SetMask(mask)
# img.SetMaskColour('#FFE7CE')
#TODO,
# img = wx.Bitmap.FromRGBA(img.Width, img.Height, 0xFF, 0xE7, 0xCE, 0xFF,)
#TODO,
self.dragImage = wx.DragImage(img, wx.Cursor(wx.CURSOR_HAND))
self.hotspot = self.dragStartPos - self.dragShape.pos
self.dragImage.BeginDrag(self.hotspot, self, fullScreen=True)
self.dragImage.Move(pos)
self.dragImage.Show()
# if we have shape and image then move drag zone
elif self.dragShape and self.dragImage:
self.CalcHeights()
top_y = self.GetTopY(evt.Position[1])
# align position with drag start
pos = (self.dragStartPos[0], top_y + self.hotspot[1])
top_line = self.GetTopLine(top_y)
self.SyncDoc(top_line, top_y)
self.SetFirstVisibleLine(top_line) # in document map
# show line number during drag
self.SetToolTip('Top Line: %7d' % (self.doc.FirstVisibleLine + 1))
# adjust mouse pointer position
self.WarpPointer(*pos)
self.dragImage.Move(pos)
self.dragImage.Show()
def DocPosChanged(self, evt):
# copy text selection to map
self.SetSelection(*self.doc.GetSelection())
self.CalcHeights()
top_y = self.doc.FirstVisibleLine * self.GetDocScrollRatio()
top_line = self.GetTopLine(top_y) + 1
self.SyncMap(top_line, top_y)
def CalcHeights(self):
# calculate document map height values
txt_height = self.LineCount * self.TextHeight(0)
self.clt_height = self.ClientSize[1]
self.max_height = min(txt_height, self.clt_height)
self.zone_height = self.zone.GetRect()[3]
self.scroll_height = max(.1, self.max_height - self.zone_height)
# print(txt_height, self.clt_height, self.max_height, self.zone_height, self.scroll_height)
def GetDocScrollRatio(self):
ratio = self.doc.LineCount - self.doc.LinesOnScreen()
# prevent division by zero
if ratio == 0:
ratio = -1
return self.scroll_height / ratio
def GetTopLine(self, top_y):
top_line = top_y / self.scroll_height * (self.LineCount - self.LinesOnScreen())
return top_line
def GetTopY(self, posY):
# drag zone's top Y coordinate
top_y = self.zone.pos[1] + posY - self.dragStartPos[1]
# prevent 'drag stutter' at top edge
if top_y < 1:
top_y = 0
# adjust position when mouse released past top/bottom edge
top_y = max(top_y, 0)
top_y = min(top_y, self.scroll_height)
return top_y
def RefreshZone(self):
self.zone.Create((self.ClientSize[0], self.doc.LinesOnScreen() * self.TextHeight(0)))
def SyncDoc(self, top_line, top_y):
if self.max_height < self.clt_height:
top_line = 0
self.doc.SetFirstVisibleLine(top_line + top_y // self.TextHeight(0))
def SyncMap(self, top_line, top_y):
self.RefreshRect(self.zone.GetRect(), True)
# adjust map top line
if top_line == 1:
top_line = 0
self.SetFirstVisibleLine(top_line)
self.zone.pos = (0, top_y)
self.Refresh()
class DocumentEditor(stc.StyledTextCtrl):
def __init__(self, parent):
super(DocumentEditor, self).__init__(parent)
self.parent = parent
self.InitSTC()
self.parent.Bind(wx.EVT_SIZE, self.Size)
def InitSTC(self):
self.SetMarginType(0, stc.STC_MARGIN_NUMBER) # 0: LINE numbers
self.SetMarginWidth(0, 50)
self.SetMarginType(3, stc.STC_MARGIN_TEXT) # 3: LEFT
self.SetMarginLeft(4)
self.SetSelForeground(True, '#FFFFFF')
self.SetSelBackground(True, '#3399FF')
self.SetSelAlpha(256)
self.LoadFile('.\SPyE - Copy.py')
#TODO, optional: restore location
# wx.CallAfter(self.SetFirstVisibleLine, 3500)
self.Styling(self)
def Styling(self, doc):
doc.StyleSetSpec(stc.STC_STYLE_DEFAULT, 'face:Courier New,size:10')
doc.StyleSetBackground(stc.STC_STYLE_DEFAULT, '#E6F2FF')
doc.StyleClearAll() # reset all styles to default
# example language: Python
STYLE = {
'Default|0': "fore:#000000,face:Courier New,size:10",
'String single quoted|4': "fore:#CF0000,face:Courier New,size:10",
'Class name|8': "fore:#0000FF,bold,underline,size:10",
'Comment 1|12': "fore:#7F7F7F,size:10",
'Comment 2|1': "fore:#007F00,face:Consolas,size:10",
'Function name|9': "fore:#007F7F,bold,size:10",
'Identifier|11': "fore:#0000FF,face:Courier New,size:10",
'Number|2': "fore:#007F7F,size:10",
'Operator|10': "fore:#D66100,bold,size:10",
'String double quoted|3': "fore:#7F007F,face:Courier New,size:10",
'String double quoted at EOL|13': "fore:#000000,face:Courier New,back:#E0C0E0,eol,size:10",
'String triple single quotes|6': "fore:#7F0000,size:10",
'String triple double quotes|7': "fore:#7F0000,size:10",
'Keyword|5': "fore:#00007F,bold,size:10",
'Keyword 2|14': "fore:#FF40FF,bold,size:10",
}
doc.SetLexer(stc.STC_LEX_PYTHON)
# style code elements for current language
for elem in STYLE.keys():
_, tok = elem.split('|')
sty = STYLE[elem]
doc.StyleSetSpec(int(tok), sty)
def Size(self, evt):
self.SetSize(self.parent.Size)
self.Refresh()
if __name__ == '__main__':
app = wx.App(redirect=False)
frm = wx.Frame(None, title="wxPython - wx.StyledTextCtrl - Document Map Demo", pos=(0, 0), size=(500, 1024))
# pnl = wx.Panel(frm, -1)
# dcm = DocumentMap(pnl)
spl = wx.SplitterWindow(frm)
pn1 = wx.Panel(spl)
pn2 = wx.Panel(spl)
spl.SplitVertically(pn1, pn2, -200)
doc = DocumentEditor(pn1)
#TODO,
dcm = DocumentMap(pn2, doc) #, style=Styling) # 3rd parm: styling function, default: None??
# import wx.lib.mixins.inspection as inspection
# wx.lib.inspection.InspectionTool().Show(selectObj=dcm, refreshTree=True)
frm.Show()
app.MainLoop()