author | Radek Brich <radek.brich@devl.cz> |
Mon, 01 Sep 2014 08:45:51 +0200 | |
changeset 104 | 742e504ec053 |
parent 97 | 0c2e0c09ba5c |
child 108 | 11dac45bfba4 |
permissions | -rw-r--r-- |
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Add TextBox, text editor demo. Update demobase.
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1 |
from tuikit.core.widget import Widget |
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from tuikit.core.signal import Signal |
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Eliminate relative imports.
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class TextBox(Widget): |
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"""Multiline text view/edit widget. |
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Update TextBox: Replace "spot" with "cursor".
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Cursor is used for text cursor position. |
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Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
Radek Brich <radek.brich@devl.cz>
parents:
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10 |
|
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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parents:
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""" |
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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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, text=''): |
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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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Add TextBox, text editor demo. Update demobase.
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# Text content, splitted as lines |
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self._lines = [] |
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self.text = text |
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Update event propagation, keypress event, focusing.
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self.allow_focus = True |
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Update event propagation, keypress event, focusing.
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Update TextBox: Replace "spot" with "cursor".
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# This variable rememberes horizontal position of cursor |
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# for the case when cursor moves to shorter line. |
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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self.cursor_column = 0 |
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Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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# selection - line and column of selection start |
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Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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self.sel_line = 0 |
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Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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self.sel_column = 0 |
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#self.add_events('scroll', Event) |
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Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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parents:
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@property |
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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def text(self): |
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return '\n'.join(self._lines) |
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Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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@text.setter |
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Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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def text(self, value): |
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self._lines = value.split('\n') |
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maxlen = max([len(line) for line in self._lines]) |
68c562e0eb1f
Add TextBox, text editor demo. Update demobase.
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self.sizereq.update(w=maxlen, h=len(self._lines)) |
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23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
Radek Brich <radek.brich@devl.cz>
parents:
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41 |
@property |
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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def cur_line(self): |
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return self._lines[self._cursor.y] |
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Fixed escape sequence handling.
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23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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parents:
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@cur_line.setter |
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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def cur_line(self, value): |
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self._lines[self._cursor.y] = value |
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def set_theme(self, theme): |
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Widget.set_theme(self, theme) |
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self.color = theme.normal |
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def draw(self, buffer): |
68c562e0eb1f
Add TextBox, text editor demo. Update demobase.
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exposed = self.exposed(buffer) |
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with buffer.attr(self.color): |
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Add TextBox, text editor demo. Update demobase.
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buffer.fill() |
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end_y = min(len(self._lines), exposed.y + exposed.h) |
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for j in range(exposed.y, end_y): |
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line = self._lines[j] |
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buffer.puts(line, 0, j) |
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def keypress(self, keyname, char, mod=0): |
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if keyname: |
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if keyname == 'left': self.move_left() |
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if keyname == 'right': self.move_right() |
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if keyname == 'home': self.move_home() |
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if keyname == 'end': self.move_end() |
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Add TextField widget, keypress event, cursor.
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if keyname == 'up': self.move_up() |
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if keyname == 'down': self.move_down() |
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if keyname == 'pageup': self.move_pageup() |
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if keyname == 'pagedown': self.move_pagedown() |
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if keyname == 'backspace': self.backspace() |
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if keyname == 'delete': self.del_char() |
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if keyname == 'enter': self.add_newline(move=True) |
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if 'ctrl' in mod: |
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if keyname == 'home': self.move_top() |
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if keyname == 'end': self.move_bottom() |
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if char: |
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self.add_char(char) |
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self.move_right() |
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#self.redraw() |
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Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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def on_mousedown(self, ev): |
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Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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y = ev.wy |
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x = min(ev.wx, len(self._lines[y])) |
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self._cursor.update(x=x, y=y) |
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Propagate "quit" event, do not just terminate application. Resize: flag widgets to be resized, do resizes only once before draw. Draw: flag widgets to be redrawn, do not draw everything on any event.
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self.redraw() |
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Clean up Emitter class, simplify event handling. Fix Container.focusnext() method. Add events test (handler auto-registration, order).
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def on_mousewheel(self, ev): |
0 | 92 |
if ev.button == 4: |
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# wheel up |
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self.emit('scrollreq', -5) |
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if ev.button == 5: |
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Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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# wheel down |
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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self.emit('scrollreq', +5) |
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self.redraw() |
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def move_left(self): |
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if self._cursor.x > 0: |
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self._cursor.x -= 1 |
0 | 103 |
else: |
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if self._cursor.y > 0: |
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self._cursor.y -= 1 |
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self._cursor.x = len(self.cur_line) |
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self.cursor_column = self._cursor.x |
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def move_right(self): |
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if self._cursor.x < len(self.cur_line): |
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self._cursor.x += 1 |
0 | 112 |
else: |
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if self._cursor.y < len(self._lines) - 1: |
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self._cursor.y += 1 |
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|
115 |
self._cursor.x = 0 |
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|
116 |
self.cursor_column = self._cursor.x |
0 | 117 |
|
118 |
def move_home(self): |
|
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119 |
self._cursor.x = 0 |
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|
120 |
self.cursor_column = self._cursor.x |
0 | 121 |
|
122 |
def move_end(self): |
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123 |
self._cursor.x = len(self.cur_line) |
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124 |
self.cursor_column = self._cursor.x |
0 | 125 |
|
126 |
def move_up(self): |
|
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|
127 |
if self._cursor.y > 0: |
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|
128 |
self._cursor.y -= 1 |
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Update TextBox: Replace "spot" with "cursor".
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|
129 |
self._update_cursor_x() |
0 | 130 |
|
131 |
def move_down(self): |
|
104
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|
132 |
if self._cursor.y < len(self._lines) - 1: |
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Update TextBox: Replace "spot" with "cursor".
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|
133 |
self._cursor.y += 1 |
742e504ec053
Update TextBox: Replace "spot" with "cursor".
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|
134 |
self._update_cursor_x() |
0 | 135 |
|
136 |
def move_pageup(self): |
|
104
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|
137 |
if self._cursor.y >= self.view_height - 1: |
74
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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|
138 |
self.emit('scrollreq', - (self.view_height - 1)) |
104
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Update TextBox: Replace "spot" with "cursor".
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|
139 |
self._cursor.y -= self.view_height - 1 |
0 | 140 |
else: |
104
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|
141 |
self._cursor.y = 0 |
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Update TextBox: Replace "spot" with "cursor".
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|
142 |
self._update_cursor_x() |
0 | 143 |
|
144 |
def move_pagedown(self): |
|
104
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|
145 |
if len(self._lines) - self._cursor.y > (self.view_height - 1): |
74
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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|
146 |
self.emit('scrollreq', (self.view_height - 1)) |
104
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Update TextBox: Replace "spot" with "cursor".
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|
147 |
self._cursor.y += self.view_height - 1 |
0 | 148 |
else: |
104
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Update TextBox: Replace "spot" with "cursor".
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|
149 |
self._cursor.y = len(self._lines) - 1 |
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Update TextBox: Replace "spot" with "cursor".
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|
150 |
self._update_cursor_x() |
0 | 151 |
|
74
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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|
152 |
def move_top(self): |
104
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Update TextBox: Replace "spot" with "cursor".
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|
153 |
self._cursor.y = 0 |
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Update TextBox: Replace "spot" with "cursor".
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|
154 |
self._update_cursor_x() |
3
33ec838dc021
Fixed escape sequence handling.
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diff
changeset
|
155 |
|
74
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Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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|
156 |
def move_bottom(self): |
104
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Update TextBox: Replace "spot" with "cursor".
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|
157 |
self._cursor.y = len(self._lines) - 1 |
742e504ec053
Update TextBox: Replace "spot" with "cursor".
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diff
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|
158 |
self._update_cursor_x() |
3
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Fixed escape sequence handling.
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parents:
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diff
changeset
|
159 |
|
0 | 160 |
def add_char(self, c): |
74
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Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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|
161 |
ln = self.cur_line |
104
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|
162 |
sx = self._cursor.x |
74
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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|
163 |
self.cur_line = ln[:sx] + c + ln[sx:] |
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
Radek Brich <radek.brich@devl.cz>
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diff
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|
164 |
self.cursor_column = sx |
0 | 165 |
|
74
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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diff
changeset
|
166 |
def add_newline(self, move=False): |
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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parents:
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diff
changeset
|
167 |
ln = self.cur_line |
104
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Update TextBox: Replace "spot" with "cursor".
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parents:
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diff
changeset
|
168 |
sx = self._cursor.x |
74
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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parents:
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diff
changeset
|
169 |
self.cur_line = ln[sx:] |
104
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Update TextBox: Replace "spot" with "cursor".
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parents:
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diff
changeset
|
170 |
self._lines.insert(self._cursor.y, ln[:sx]) |
96
68c562e0eb1f
Add TextBox, text editor demo. Update demobase.
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parents:
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diff
changeset
|
171 |
self._default_size.update(h=len(self._lines)) |
74
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
Radek Brich <radek.brich@devl.cz>
parents:
62
diff
changeset
|
172 |
if move: |
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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parents:
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|
173 |
self.move_right() |
0 | 174 |
|
76
fa5301e58eca
Update demo_input, demo_editor. Update ScrollView: show/hide scrollbars as needed on child size requests.
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diff
changeset
|
175 |
def add_line(self, text): |
fa5301e58eca
Update demo_input, demo_editor. Update ScrollView: show/hide scrollbars as needed on child size requests.
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diff
changeset
|
176 |
ln = self.cur_line |
104
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Update TextBox: Replace "spot" with "cursor".
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parents:
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diff
changeset
|
177 |
sx = self._cursor.x |
76
fa5301e58eca
Update demo_input, demo_editor. Update ScrollView: show/hide scrollbars as needed on child size requests.
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diff
changeset
|
178 |
self.cur_line = ln[sx:] |
104
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Update TextBox: Replace "spot" with "cursor".
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diff
changeset
|
179 |
self._lines.insert(self._cursor.y, ln[:sx] + text) |
76
fa5301e58eca
Update demo_input, demo_editor. Update ScrollView: show/hide scrollbars as needed on child size requests.
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diff
changeset
|
180 |
self.cursor_column = 0 |
104
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Update TextBox: Replace "spot" with "cursor".
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parents:
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diff
changeset
|
181 |
self._cursor.x = 0 |
742e504ec053
Update TextBox: Replace "spot" with "cursor".
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diff
changeset
|
182 |
self._cursor.y += 1 |
76
fa5301e58eca
Update demo_input, demo_editor. Update ScrollView: show/hide scrollbars as needed on child size requests.
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parents:
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diff
changeset
|
183 |
w = max(self._default_size.w, len(ln[:sx] + text)) |
96
68c562e0eb1f
Add TextBox, text editor demo. Update demobase.
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parents:
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diff
changeset
|
184 |
self._default_size.update(w=w, h=len(self._lines)) |
76
fa5301e58eca
Update demo_input, demo_editor. Update ScrollView: show/hide scrollbars as needed on child size requests.
Radek Brich <radek.brich@devl.cz>
parents:
74
diff
changeset
|
185 |
|
74
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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parents:
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diff
changeset
|
186 |
def backspace(self): |
104
742e504ec053
Update TextBox: Replace "spot" with "cursor".
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parents:
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diff
changeset
|
187 |
if self._cursor.y > 0 or self._cursor.x > 0: |
74
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
Radek Brich <radek.brich@devl.cz>
parents:
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diff
changeset
|
188 |
self.move_left() |
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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parents:
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diff
changeset
|
189 |
self.del_char() |
0 | 190 |
|
191 |
def del_char(self): |
|
74
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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parents:
62
diff
changeset
|
192 |
ln = self.cur_line |
104
742e504ec053
Update TextBox: Replace "spot" with "cursor".
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parents:
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diff
changeset
|
193 |
sx = self._cursor.x |
74
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
Radek Brich <radek.brich@devl.cz>
parents:
62
diff
changeset
|
194 |
if sx == len(self.cur_line): |
104
742e504ec053
Update TextBox: Replace "spot" with "cursor".
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parents:
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diff
changeset
|
195 |
if self._cursor.y + 1 < len(self._lines): |
742e504ec053
Update TextBox: Replace "spot" with "cursor".
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parents:
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diff
changeset
|
196 |
self.cur_line += self._lines[self._cursor.y+1] |
742e504ec053
Update TextBox: Replace "spot" with "cursor".
Radek Brich <radek.brich@devl.cz>
parents:
97
diff
changeset
|
197 |
del self._lines[self._cursor.y+1] |
96
68c562e0eb1f
Add TextBox, text editor demo. Update demobase.
Radek Brich <radek.brich@devl.cz>
parents:
77
diff
changeset
|
198 |
self._default_size.update(h=len(self._lines)) |
0 | 199 |
else: |
74
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
Radek Brich <radek.brich@devl.cz>
parents:
62
diff
changeset
|
200 |
self.cur_line = ln[:sx] + ln[sx+1:] |
18
e6c3a5ee91aa
Eliminate relative imports.
Radek Brich <radek.brich@devl.cz>
parents:
9
diff
changeset
|
201 |
|
104
742e504ec053
Update TextBox: Replace "spot" with "cursor".
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parents:
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diff
changeset
|
202 |
def _update_cursor_x(self): |
74
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
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parents:
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diff
changeset
|
203 |
if self.cursor_column > len(self.cur_line): |
104
742e504ec053
Update TextBox: Replace "spot" with "cursor".
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parents:
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diff
changeset
|
204 |
self._cursor.x = len(self.cur_line) |
74
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
Radek Brich <radek.brich@devl.cz>
parents:
62
diff
changeset
|
205 |
else: |
104
742e504ec053
Update TextBox: Replace "spot" with "cursor".
Radek Brich <radek.brich@devl.cz>
parents:
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diff
changeset
|
206 |
self._cursor.x = self.cursor_column |
74
23767a33a781
Add ScrollWindow. Rewrite EditBox to work with OffsetLayout. Add propery "exposed" to DrawEvent. Add Widget._view_size. Add config file (driver, log_level).
Radek Brich <radek.brich@devl.cz>
parents:
62
diff
changeset
|
207 |