author | Radek Brich <radek.brich@devl.cz> |
Wed, 03 Sep 2014 19:17:04 +0200 | |
changeset 112 | ce2e67e7bbb8 |
parent 111 | b055add74b18 |
child 113 | 6796adfdc7eb |
permissions | -rw-r--r-- |
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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): |
0c2e0c09ba5c
Add TextField widget, keypress event, cursor.
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parents:
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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=''): |
2f61931520c9
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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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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self.allow_focus = True |
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Add TextField widget, keypress event, cursor.
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parents:
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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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Add TextField widget, keypress event, cursor.
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parents:
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self.curspos = len(value) # 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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Add TextField widget, keypress event, cursor.
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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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parents:
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self.tw = self.width - 2 |
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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>
parents:
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Add TextField widget, keypress event, cursor.
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parents:
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def draw(self, buffer): |
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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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parents:
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color = self.theme.active if self.has_focus() else self.theme.normal |
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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with buffer.attr(color): |
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parents:
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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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parents:
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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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Add TextField widget, keypress event, cursor.
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parents:
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buffer.puts(val.encode(self.code), 1) |
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parents:
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# draw arrows if content overflows |
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Add TextField widget, keypress event, cursor.
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parents:
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c = ' ' |
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if self.ofs > 0: |
0c2e0c09ba5c
Add TextField widget, keypress event, cursor.
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parents:
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c = '<' |
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buffer.putch(c) |
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Add TextField widget, keypress event, cursor.
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parents:
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c = ' ' |
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Add TextField widget, keypress event, cursor.
Radek Brich <radek.brich@devl.cz>
parents:
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if len(self.value[self.ofs:]) > self.tw: |
0c2e0c09ba5c
Add TextField widget, keypress event, cursor.
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parents:
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c = '>' |
0c2e0c09ba5c
Add TextField widget, keypress event, cursor.
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parents:
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buffer.putch(c, self.width-1, 0) |
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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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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 |
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if ev.keyname == 'left': |
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self.move_left() |
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elif ev.keyname == 'right': |
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parents:
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self.move_right() |
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elif ev.keyname == 'backspace': |
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parents:
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if self.curspos > 0: |
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self.move_left() |
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0c2e0c09ba5c
Add TextField widget, keypress event, cursor.
Radek Brich <radek.brich@devl.cz>
parents:
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self.del_char() |
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elif ev.keyname == 'delete': |
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parents:
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self.del_char() |
0c2e0c09ba5c
Add TextField widget, keypress event, cursor.
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parents:
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changeset
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else: |
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 = False |
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if not ev.keyname and ev.char: |
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self.add_char(ev.char) |
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Add TextField widget, keypress event, cursor.
Radek Brich <radek.brich@devl.cz>
parents:
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changeset
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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:
97
diff
changeset
|
68 |
consumed = True |
9
7175ed629a76
Added ComboBox, HorizontalLayout, TreeNode, TreeModel, TreeView. Widget is now descendant of EventSource. Improved color management (color prefixes).
Radek Brich <radek.brich@devl.cz>
parents:
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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:
97
diff
changeset
|
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if consumed: |
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Add TextField widget, keypress event, cursor.
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parents:
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#self.redraw() |
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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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changeset
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return True |
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Widget.keypress_event(self, ev) |
9
7175ed629a76
Added ComboBox, HorizontalLayout, TreeNode, TreeModel, TreeView. Widget is now descendant of EventSource. Improved color management (color prefixes).
Radek Brich <radek.brich@devl.cz>
parents:
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diff
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def move_left(self): |
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parents:
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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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parents:
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self.curspos -= 1 |
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else: |
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# move content in field |
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fcaabd817774
Update editfield - place cursor to end initially.
Radek Brich <radek.brich@devl.cz>
parents:
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diff
changeset
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if self.ofs > 0: |
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Add TextField widget, keypress event, cursor.
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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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Add TextField widget, keypress event, cursor.
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parents:
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changeset
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if self.curspos < len(self.value): |
0c2e0c09ba5c
Add TextField widget, keypress event, cursor.
Radek Brich <radek.brich@devl.cz>
parents:
62
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changeset
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if self.curspos - self.ofs < self.tw - 2 \ |
0c2e0c09ba5c
Add TextField widget, keypress event, cursor.
Radek Brich <radek.brich@devl.cz>
parents:
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changeset
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or (self.curspos - self.ofs == self.tw - 2 and self.curspos == len(self.value)-1): |
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# move cursor |
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Add TextField widget, keypress event, cursor.
Radek Brich <radek.brich@devl.cz>
parents:
62
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changeset
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self.curspos += 1 |
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else: |
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# move content in field |
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Add TextField widget, keypress event, cursor.
Radek Brich <radek.brich@devl.cz>
parents:
62
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self.curspos += 1 |
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self.ofs += 1 |
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def add_char(self, c): |
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Add TextField widget, keypress event, cursor.
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parents:
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diff
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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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Add TextField widget, keypress event, cursor.
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parents:
62
diff
changeset
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self.value = self.value[:self.curspos] + self.value[self.curspos+1:] |
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