author | Radek Brich <radek.brich@devl.cz> |
Sun, 22 Feb 2015 09:53:13 +0100 | |
changeset 119 | dd91747504dd |
parent 113 | 6796adfdc7eb |
permissions | -rw-r--r-- |
0 | 1 |
import locale |
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Add TextField widget, keypress event, cursor.
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from tuikit.core.widget import Widget |
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Add TextField widget, keypress event, cursor.
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class TextField(Widget): |
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2f61931520c9
Rework layouts: Layout is now normal Container which places its children upon resize event.
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def __init__(self, value=''): |
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Rework layouts: Layout is now normal Container which places its children upon resize event.
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Widget.__init__(self) |
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105b1affc3c2
Update keypress propagation. Allow focus change by tab key. Add log property to Widget for smart logging.
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self.allow_focus = True |
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self.sizereq.update(10, 1) |
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self.code = locale.getpreferredencoding() |
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Use isinstance instead of type.
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if not isinstance(value, str): |
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value = str(value, self.code) |
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self.value = value |
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self.maxlen = None # unlimited |
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Update editfield - place cursor to end initially.
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self.tw = 0 # real width of text field (minus space for arrows) |
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Update TextField: Handle home, end keys.
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self.curspos = 0 # position of cursor in value |
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self.ofs = 0 # position of value beginning on screen |
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self._cursor_visible = True |
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Update TextField: Handle home, end keys.
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self.move_end() |
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parents:
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def resize(self, w, h): |
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Update editfield - place cursor to end initially.
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self.tw = self.width - 2 |
103
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Update TextField: Handle home, end keys.
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if self.curspos >= self.tw: |
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Update TextField: Handle home, end keys.
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self.ofs = self.curspos - self.tw |
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ae128c885d0f
New GridLayout. Change cursor behavior (hide on unfocus event). Change resize event to propagate through containers. Change container clipping - allowlayout=false children are clipped without borders. More Widget doc.
Radek Brich <radek.brich@devl.cz>
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def draw(self, buffer): |
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Redraw widgets on request. Add scrollbar demo.
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color = self.theme.clr_active if self.has_focus() else self.theme.clr_normal |
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Update keypress propagation. Allow focus change by tab key. Add log property to Widget for smart logging.
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parents:
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with buffer.attr(color): |
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# draw value |
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val = self.value + ' ' * self.tw # add spaces to fill rest of field |
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val = val[self.ofs : self.ofs + self.tw] # cut value - begin from ofs, limit to tw chars |
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buffer.puts(val.encode(self.code), 1) |
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# draw arrows if content overflows |
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c = ' ' |
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if self.ofs > 0: |
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c = '<' |
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buffer.putch(c) |
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c = ' ' |
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parents:
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if len(self.value[self.ofs:]) > self.tw: |
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parents:
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c = '>' |
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buffer.putch(c, self.width-1, 0) |
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742e504ec053
Update TextBox: Replace "spot" with "cursor".
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self._cursor.update(1 + self.curspos - self.ofs, 0) |
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def keypress_event(self, ev): |
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map_keyname_to_func = { |
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'left': self.move_left, |
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'right': self.move_right, |
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'home': self.move_home, |
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'end': self.move_end, |
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'backspace': self.move_left_and_del, |
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'delete': self.del_char, |
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} |
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consumed = False |
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if ev.keyname in map_keyname_to_func: |
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map_keyname_to_func[ev.keyname]() |
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consumed = True |
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if not ev.keyname and ev.char: |
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self.add_char(ev.char) |
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parents:
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self.move_right() |
109
105b1affc3c2
Update keypress propagation. Allow focus change by tab key. Add log property to Widget for smart logging.
Radek Brich <radek.brich@devl.cz>
parents:
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consumed = True |
105b1affc3c2
Update keypress propagation. Allow focus change by tab key. Add log property to Widget for smart logging.
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parents:
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if consumed: |
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parents:
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#self.redraw() |
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parents:
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return True |
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Widget.keypress_event(self, ev) |
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7175ed629a76
Added ComboBox, HorizontalLayout, TreeNode, TreeModel, TreeView. Widget is now descendant of EventSource. Improved color management (color prefixes).
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def move_left(self): |
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if self.curspos - self.ofs > 1 or (self.ofs == 0 and self.curspos == 1): |
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# move cursor |
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self.curspos -= 1 |
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else: |
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# move content in field |
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Update editfield - place cursor to end initially.
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parents:
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if self.ofs > 0: |
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parents:
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self.curspos -= 1 |
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self.ofs -= 1 |
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def move_right(self): |
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parents:
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if self.curspos < len(self.value): |
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Update TextField: Handle home, end keys.
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parents:
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if self.curspos - self.ofs < self.tw - 1 \ |
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or (self.curspos - self.ofs == self.tw - 1 and self.curspos == len(self.value)-1): |
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# move cursor |
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self.curspos += 1 |
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else: |
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# move content in field |
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self.curspos += 1 |
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self.ofs += 1 |
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def move_home(self): |
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Update TextField: Handle home, end keys.
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self.curspos = 0 |
49f212aa0228
Update TextField: Handle home, end keys.
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parents:
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self.ofs = 0 |
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Update TextField: Handle home, end keys.
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parents:
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Update TextField: Handle home, end keys.
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def move_end(self): |
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Update TextField: Handle home, end keys.
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parents:
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self.curspos = len(self.value) |
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Update TextField: Handle home, end keys.
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parents:
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if self.curspos >= self.tw: |
49f212aa0228
Update TextField: Handle home, end keys.
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parents:
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self.ofs = self.curspos - self.tw |
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Update TextField: Handle home, end keys.
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parents:
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def add_char(self, c): |
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parents:
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self.value = self.value[:self.curspos] + c + self.value[self.curspos:] |
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def del_char(self): |
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parents:
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self.value = self.value[:self.curspos] + self.value[self.curspos+1:] |
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def move_left_and_del(self): |
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Update TextField: Handle home, end keys.
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if self.curspos > 0: |
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Update TextField: Handle home, end keys.
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parents:
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113 |
self.move_left() |
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Update TextField: Handle home, end keys.
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parents:
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self.del_char() |