author | Radek Brich <radek.brich@devl.cz> |
Sun, 31 Jul 2011 13:04:39 +0200 | |
changeset 9 | 7175ed629a76 |
parent 3 | 33ec838dc021 |
child 18 | e6c3a5ee91aa |
permissions | -rw-r--r-- |
0 | 1 |
# -*- coding: utf-8 -*- |
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from .widget import Widget |
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class EditBox(Widget): |
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def __init__(self, width=20, height=20, text=''): |
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Widget.__init__(self, width, height) |
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self.xofs = 0 |
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self.yofs = 0 |
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# cursor |
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self.cline = 0 |
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self.cpos = 0 |
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# selection |
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self.sline = 0 |
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self.spos = 0 |
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self.connect('draw', self.on_draw) |
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self.connect('keypress', self.on_keypress) |
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self.connect('mousewheel', self.on_mousewheel) |
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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:
3
diff
changeset
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self.addevents('scroll', 'areasize') |
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3
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
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self.set_text(text) |
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
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def on_draw(self, screen, x, y): |
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for j in range(self.height): |
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if self.yofs + j >= len(self.lines): |
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break |
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line = self.lines[self.yofs + j] |
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#if len(line) < self.width: |
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#line += ' ' * (self.width - len(line)) |
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#else: |
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#line = line[:self.width] |
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screen.puts(x, y + j, line) |
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screen.showcursor(x + self.get_cpos() - self.xofs, y + self.cline - self.yofs) |
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def on_keypress(self, keyname, char): |
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if keyname: |
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if keyname == 'left': |
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self.move_left() |
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if keyname == 'right': |
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self.move_right() |
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if keyname == 'home': |
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self.move_home() |
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if keyname == 'end': |
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self.move_end() |
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if keyname == 'up': |
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self.move_up() |
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if keyname == 'down': |
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self.move_down() |
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if keyname == 'pageup': |
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self.move_pageup() |
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if keyname == 'pagedown': |
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self.move_pagedown() |
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if keyname == 'backspace': |
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if self.cline > 0 or self.cpos > 0: |
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self.move_left() |
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self.del_char() |
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if keyname == 'delete': |
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self.del_char() |
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if keyname == 'enter': |
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self.add_newline() |
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self.move_right() |
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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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def on_mousewheel(self, ev): |
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# up |
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if ev.button == 4: |
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self.move_up() |
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# down |
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if ev.button == 5: |
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self.move_down() |
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self.redraw() |
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def set_text(self, text): |
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self.lines = text.split('\n') |
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3
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
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self.handle('areasize') |
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def get_text(self): |
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return '\n'.join(self.lines) |
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def get_linelen(self): |
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return len(self.lines[self.cline]) |
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def get_cpos(self): |
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if self.cpos > self.get_linelen(): |
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return self.get_linelen() |
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return self.cpos |
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def set_yofs(self, yofs): |
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33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
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if yofs > len(self.lines) - self.height: |
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
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yofs = len(self.lines) - self.height |
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if yofs < 0: |
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yofs = 0 |
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self.yofs = yofs |
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self.handle('scroll') |
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def move_left(self): |
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if self.cpos > 0: |
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self.cpos = self.get_cpos() - 1 |
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else: |
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if self.move_up(): |
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self.cpos = self.get_linelen() |
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def move_right(self): |
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if self.cpos < self.get_linelen(): |
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self.cpos += 1 |
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else: |
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if self.move_down(): |
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self.cpos = 0 |
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def move_home(self): |
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self.cpos = 0 |
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def move_end(self): |
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self.cpos = self.get_linelen() |
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def move_up(self): |
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if self.cline > 0: |
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self.cline -= 1 |
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if self.cline < self.yofs: |
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self.set_yofs(self.cline) |
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return True |
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return False |
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def move_down(self): |
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if self.cline < len(self.lines) - 1: |
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self.cline += 1 |
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if self.cline > self.yofs + self.height - 1: |
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self.set_yofs(self.cline - (self.height - 1)) |
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return True |
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return False |
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def move_pageup(self): |
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if self.cline >= self.height - 1: |
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self.cline -= self.height - 1 |
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self.set_yofs(self.yofs - (self.height - 1)) |
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else: |
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self.cline = 0 |
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self.set_yofs(0) |
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def move_pagedown(self): |
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if self.cline <= len(self.lines) - (self.height - 1): |
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self.cline += self.height - 1 |
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self.set_yofs(self.yofs + (self.height - 1)) |
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else: |
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self.cline = len(self.lines) - 1 |
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self.set_yofs(self.cline) |
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3
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
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186 |
def move_pagefirst(self): |
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
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187 |
self.cline = 0 |
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
188 |
self.set_yofs(0) |
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
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33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
190 |
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33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
191 |
def move_pagelast(self): |
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
192 |
self.cline = len(self.lines) - 1 |
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
193 |
self.set_yofs(self.cline) |
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
194 |
|
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
195 |
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0 | 196 |
def add_char(self, c): |
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ln = self.lines[self.cline] |
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cpos = self.get_cpos() |
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self.lines[self.cline] = ln[:cpos] + c + ln[cpos:] |
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self.cpos = cpos |
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def add_newline(self): |
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ln = self.lines[self.cline] |
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cpos = self.get_cpos() |
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self.lines[self.cline] = ln[cpos:] |
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self.lines.insert(self.cline, ln[:cpos]) |
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self.handle('areasize') |
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def del_char(self): |
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ln = self.lines[self.cline] |
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cpos = self.get_cpos() |
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if cpos == self.get_linelen(): |
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if self.cline + 1 < len(self.lines): |
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self.lines[self.cline] = self.lines[self.cline] + self.lines[self.cline+1] |
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del self.lines[self.cline+1] |
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self.handle('areasize') |
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else: |
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self.lines[self.cline] = ln[:cpos] + ln[cpos+1:] |