def determine_size(self):
self._content.determine_size()
size = self._content._pref_size
if self.collapsed:
self._pref_size = Size(size[0], self._top_h)
else:
self._pref_size = Size(size[0], size[1] + self._top_h)
def determine_size(self):
w, h = 0, self.padding[self._axis]
for c in self.children:
c.determine_size()
min = c._pref_size
if min[1 - self._axis] > w:
w = min[1 - self._axis]
h += min[self._axis] + self.padding[self._axis]
if self._axis == 1:
self._pref_size = Size(w + self.padding[1 - self._axis] * 2, h)
else:
self._pref_size = Size(h, w + self.padding[1 - self._axis] * 2)
def __init__(self, **kwargs):
'''Initialise a Widget
Keyword arguments:
name -- unique widget identifier
'''
self._x, self._y = kwargs.get('x', 0), kwargs.get('y', 0)
self._w, self._h = kwargs.get('w', 0), kwargs.get('h', 0)
self._gx, self._gy = self._x, self._y
self._pref_size = Size()
self._name = kwargs.get('name')
self.parent = None
self._theme = None
self._batch = None
self._group = None
self._dirty = False
self._visible = True
self.halign = kwargs.get('halign', 'center')
self.valign = kwargs.get('valign', 'center')
self.shapes = {}
self.elements = {}
self.expandable = [kwargs.get('hexpand', self._w==0), kwargs.get('vexpand', self._h==0)]
def determine_size(self): maxw = self.w - self.padding[0]*2 w, h, maxh = self.padding[0], self.padding[1], 0 self.lines = [] line = [] for c in self.children: c.determine_size() min = c._pref_size if w + min.w < maxw: line.append(c) else: self.lines.append((maxh, w, line)) line = [c] h += maxh + self.padding[1] w, maxh = self.padding[0], 0 if min.h > maxh: maxh = min.h w += min.w + self.padding[0] if len(line) > 0: self.lines.append((maxh, w, line)) h += maxh + self.padding[1] self._pref_size = Size(self.w, max(h, self.padding[1]*2))
def update_theme(self, theme):
Widget.update_theme(self, theme)
if theme:
patch = theme['slider']['image_slider']
patch_knob = theme['slider']['image_knob']
self._pref_size = Size(self.w,
patch.padding_bottom + patch.padding_top)
self.shapes['track'].patch = patch
self.shapes['knob'].patch = patch_knob
def reset_size(self, size):
Widget.reset_size(self, size)
minh = self._pref_size[self._axis]
freeh = size[self._axis] - minh
flexible = [c for c in self.children if c.expandable[self._axis]]
l = len(flexible)
if l > 0:
extrah = freeh / len(flexible)
th = self.padding[self._axis]
step = (1, -1)[self._axis]
for c in self.children[::step]:
if self._axis == 1:
c._x, c._y = self.padding[1 - self._axis], th
else:
c._y, c._x = self.padding[1 - self._axis], th
min = c._pref_size
if c.expandable[1 - self._axis]:
nw = size[1 - self._axis] - self.padding[1 - self._axis] * 2
else:
nw = min[1 - self._axis]
if c.expandable[self._axis]:
nh = min[self._axis] + extrah
else:
nh = min[self._axis]
if self._axis == 1:
c.reset_size(Size(nw, nh))
else:
c.reset_size(Size(nh, nw))
th += nh + self.padding[self._axis]
def update_theme(self, theme):
Widget.update_theme(self, theme)
if theme:
self.content.font_name = self.theme['font']
self.content.font_size = self.theme['font_size']
self.content.color = theme['font_color']
font = self.content.document.get_font()
height = font.ascent - font.descent
self._w, self._h = self.content.content_width, height
self._pref_size = Size(self.content.content_width, height)
def update_theme(self, theme):
Widget.update_theme(self, theme)
if theme:
patch = theme['checkbox'][('image_checked' if self.value else 'image_unchecked')]
label = self.elements['label']
label.font_name = theme['font']
label.font_size = theme['font_size']
label.color = theme['font_color']
font = label.document.get_font()
height = font.ascent - font.descent
self._pref_size = Size(patch.padding_left + label.content_width + patch.padding_right, patch.padding_bottom + height + patch.padding_top)
self.shapes['box'].patch = patch
def update_theme(self, theme):
Widget.update_theme(self, theme)
if theme:
patch = theme['textbox']['image']
self.shapes['frame'].patch = patch
self.label.document.set_style(0, len(self.label.document.text), {
'font_size': theme['font_size'],
'color': theme['font_color']
})
font = self.label.document.get_font()
height = font.ascent - font.descent
self._pref_size = Size(self.w, patch.padding_y + height)
self.label.layout.width = self.w - patch.padding_x
self.label.layout.height = height
def update_theme(self, theme):
SingleContainer.update_theme(self, theme)
if theme:
background_patch = theme['window']['image_background']
title_patch = theme['window']['image_title_bar']
self.shapes['background'].patch = background_patch
self.shapes['title_bar'].patch = title_patch
self.elements['title'].font_name = theme['font']
self.elements['title'].font_size = theme['font_size_small']
self.elements['title'].color = theme['font_color']
font = self.elements['title'].document.get_font()
height = font.ascent - font.descent
self._pref_size = Size(
title_patch.padding_x + self.elements['title'].content_width,
background_patch.padding_y + title_patch.padding_y + height)
def update_theme(self, theme):
Widget.update_theme(self, theme)
if theme:
patch = theme['button'][('image_down'
if self._down else 'image_up')]
label = self.elements['label']
label.font_name = self.theme['font']
label.font_size = self.theme['font_size']
label.color = theme['font_color']
font = label.document.get_font()
height = font.ascent - font.descent
self._pref_size = Size(
patch.padding_left + label.content_width + patch.padding_right,
patch.padding_bottom + height + patch.padding_top)
label.x = patch.padding_left + label.content_width / 2
label.y = patch.padding_bottom + height / 2 - font.descent
self.shapes['frame'].patch = patch
def reset_size(self, size):
Widget.reset_size(self, size)
if not self.collapsed:
self._content.reset_size(Size(size.w, size.h - self._top_h))