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FormWin now scrolls when needed, as the cursor is moved up and down

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This commit is contained in:
Florent Le Coz 2014-05-01 16:33:44 +02:00
parent f7a5847f75
commit 16d80a2f25
1 changed files with 19 additions and 7 deletions
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26
src/tabs/data_forms.py
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@ -413,6 +413,7 @@ class FormWin(object):
def __init__(self, form, height, width, y, x):
self._form = form
self._win = windows.Win._tab_win.derwin(height, width, y, x)
self.scroll_pos = 0
self.current_input = 0
self.inputs = [] # dict list
for (name, field) in self._form.getFields().items():
@ -434,8 +435,6 @@ class FormWin(object):
def resize(self, height, width, y, x):
self.height = height
self.width = width
if self.current_input >= self.height-2:
self.current_input = self.height-1
def reply(self):
"""
@ -453,7 +452,7 @@ class FormWin(object):
def go_to_next_input(self):
if not self.inputs:
return
if self.current_input == len(self.inputs) - 1 or self.current_input >= self.height-1:
if self.current_input == len(self.inputs) - 1:
return
self.inputs[self.current_input]['input'].set_color(get_theme().COLOR_NORMAL_TEXT)
self.inputs[self.current_input]['label'].set_color(get_theme().COLOR_NORMAL_TEXT)
@ -464,6 +463,14 @@ class FormWin(object):
if self.inputs[self.current_input+jump]['input'].is_dummy():
return
self.current_input += jump
# If moving made the current input out of the visible screen, we
# adjust the scroll position and we redraw the whole thing. We don’t
# call refresh() if this is not the case, because
# refresh_current_input() is always called anyway, so this is not
# needed
if self.current_input - self.scroll_pos > self.height-1:
self.scroll_pos += 1
self.refresh()
self.inputs[self.current_input]['input'].set_color(get_theme().COLOR_SELECTED_ROW)
self.inputs[self.current_input]['label'].set_color(get_theme().COLOR_SELECTED_ROW)
@ -480,6 +487,11 @@ class FormWin(object):
jump += 1
if self.inputs[self.current_input+jump]['input'].is_dummy():
return
# Adjust the scroll position if the current_input would be outside
# of the visible area
if self.current_input < self.scroll_pos:
self.scroll_pos = self.current_input
self.refresh()
self.current_input -= jump
self.inputs[self.current_input]['input'].set_color(get_theme().COLOR_SELECTED_ROW)
self.inputs[self.current_input]['label'].set_color(get_theme().COLOR_SELECTED_ROW)
@ -492,7 +504,7 @@ class FormWin(object):
def refresh(self):
with g_lock:
self._win.erase()
y = 0
y = -self.scroll_pos
i = 0
for name, field in self._form.getFields().items():
if field['type'] == 'hidden':
@ -502,11 +514,11 @@ class FormWin(object):
# TODO: display the field description
y += 1
i += 1
if y >= self.height:
break
self._win.refresh()
for i, inp in enumerate(self.inputs):
if i >= self.height:
if i < self.scroll_pos:
continue
if i >= self.height + self.scroll_pos:
break
inp['label'].refresh()
inp['input'].refresh()