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124 lines
3.1 KiB
Python
124 lines
3.1 KiB
Python
# Text editing widget
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# NB: this always assumes fixed bounds.
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# For auto-growing TextEdit windows, different code would be needed.
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from stdwinevents import *
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class TextEdit():
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#
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def create(self, (parent, (cols, rows))):
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parent.addchild(self)
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self.parent = parent
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self.cols = cols
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self.rows = rows
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self.text = ''
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# Creation of the editor is done in realize()
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self.editor = None
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self.dh = self.dv = 0
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return self
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#
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def createboxed(self, (parent, (cols, rows), (dh, dv))):
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self = self.create(parent, (cols, rows))
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self.dh = max(0, dh)
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self.dv = max(0, dv)
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return self
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#
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def settext(self, text):
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self.editor.settext(text)
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#
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# Downcalls from parent to child
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#
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def destroy(self):
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del self.parent
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del self.editor
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del self.window
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#
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def getminsize(self, (m, (width, height))):
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width = max(0, width - 2*self.dh)
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height = max(0, height - 2*self.dv)
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if width > 0 and self.editor:
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(left, top), (right, bottom) = self.editor.getrect()
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act_width, act_height = right - left, bottom - top
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if width >= act_width:
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width = width + 2*self.dh
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height = max(height, act_height) + 2*self.dv
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return width, height
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width = max(width, self.cols*m.textwidth('in')/2) + 2*self.dh
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height = max(height, self.rows*m.lineheight()) + 2*self.dv
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return width, height
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#
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def setbounds(self, bounds):
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self.bounds = bounds
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if self.editor:
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(left, top), (right, bottom) = bounds
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left = left + self.dh
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top = top + self.dv
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right = right - self.dh
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bottom = bottom - self.dv
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self.editor.move((left, top), (right, bottom))
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if self.dh and self.dv:
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(left, top), (right, bottom) = bounds
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left = left + 1
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top = top + 1
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right = right - 1
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bottom = bottom - 1
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bounds = (left, top), (right, bottom)
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self.editor.setview(bounds)
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#
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def getbounds(self):
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return self.bounds
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#
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def realize(self):
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self.window = self.parent.getwindow()
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(left, top), (right, bottom) = self.bounds
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left = left + self.dh
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top = top + self.dv
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right = right - self.dh
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bottom = bottom - self.dv
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self.editor = \
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self.window.textcreate((left, top), (right, bottom))
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self.editor.setactive(0)
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bounds = self.bounds
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if self.dh and self.dv:
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(left, top), (right, bottom) = bounds
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left = left + 1
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top = top + 1
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right = right - 1
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bottom = bottom - 1
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bounds = (left, top), (right, bottom)
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self.editor.setview(bounds)
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self.editor.settext(self.text)
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self.parent.need_mouse(self)
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self.parent.need_keybd(self)
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self.parent.need_altdraw(self)
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#
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def draw(self, (d, area)):
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if self.dh and self.dv:
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d.box(self.bounds)
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#
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def altdraw(self, area):
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self.editor.draw(area)
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#
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# Event downcalls
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#
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def mouse_down(self, detail):
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x = self.editor.event(WE_MOUSE_DOWN, self.window, detail)
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#
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def mouse_move(self, detail):
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x = self.editor.event(WE_MOUSE_MOVE, self.window, detail)
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#
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def mouse_up(self, detail):
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x = self.editor.event(WE_MOUSE_UP, self.window, detail)
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#
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def keybd(self, (type, detail)):
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x = self.editor.event(type, self.window, detail)
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#
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def activate(self):
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self.editor.setfocus(0, 30000)
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self.editor.setactive(1)
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#
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def deactivate(self):
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self.editor.setactive(0)
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#
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