def image(self, filename, load_callback=None, post_callback=None):
'''Load a image using loader. A Proxy image is returned
with a loading image ::
img = Loader.image(filename)
# img will be a ProxyImage.
# You'll use it the same as an Image class.
# Later, when the image is really loaded,
# the loader will change the img.image property
# to the new loaded image
'''
data = Cache.get('pymt.loader', filename)
if data not in (None, False):
# found image
return ProxyImage(data,
loading_image=self.loading_image,
loaded=True)
client = ProxyImage(self.loading_image,
loading_image=self.loading_image)
self._client.append((filename, client))
if data is None:
# if data is None, this is really the first time
self._q_load.append((filename, load_callback, post_callback))
Cache.append('pymt.loader', filename, False)
self._start_wanted = True
else:
# already queued for loading
pass
return client
def image(self, filename, load_callback=None, post_callback=None):
'''Load a image using loader. A Proxy image is returned
with a loading image ::
img = Loader.image(filename)
# img will be a ProxyImage.
# You'll use it the same as an Image class.
# Later, when the image is really loaded,
# the loader will change the img.image property
# to the new loaded image
'''
data = Cache.get('pymt.loader', filename)
if data not in (None, False):
# found image
return ProxyImage(data,
loading_image=self.loading_image,
loaded=True)
client = ProxyImage(self.loading_image,
loading_image=self.loading_image)
self._client.append((filename, client))
if data is None:
# if data is None, this is really the first time
self._q_load.append((filename, load_callback, post_callback))
Cache.append('pymt.loader', filename, False)
self._start_wanted = True
else:
# already queued for loading
pass
return client
def __init__(self, filename, **kwargs):
self.filename = filename
self.svg_data = Cache.get('_pymt_core_svg_cache', filename)
if not self.svg_data:
new_svg = self.load(filename)
Cache.append('_pymt_core_svg_cache', filename, new_svg)
self.svg_data = new_svg
def __init__(self, filename, **kwargs):
self.filename = filename
self.svg_data = Cache.get('pymt.svg', filename)
if not self.svg_data:
new_svg = self.load(filename)
Cache.append('pymt.svg', filename, new_svg)
self.svg_data = new_svg
def __init__(self, filename, **kwargs):
self.filename = filename
self.svg_data = Cache.get("pymt.svg", filename)
if not self.svg_data:
new_svg = self.load(filename)
Cache.append("pymt.svg", filename, new_svg)
self.svg_data = new_svg
def create_line_label(self, text):
'''Create a label from a text, using line options
'''
ntext = text.replace('\n', '').replace('\t', ' ' * self.tab_width)
kw = self.get_line_options()
cid = '%s\0%s' % (ntext, str(kw))
label = Cache.get('textarea.label', cid)
if not label:
label = Label(ntext, **kw)
Cache.append('textarea.label', cid, label)
return label
def getLabel(label, **kwargs):
'''Get a cached label object
:Parameters:
`label`: str
Text to be draw
`font_size`: int, default to 12
Font size of label
`center`: bool, default to True
Indicate if pos is center or left-right of label
getLabel() support all parameters from the Core label. Check `LabelBase`
class to known all availables parameters.
Used by drawLabel()
'''
kwargs.setdefault('markup', False)
kwargs.setdefault('font_size', 12)
kwargs.setdefault('center', True)
if kwargs.get('center'):
kwargs.setdefault('anchor_x', 'center')
kwargs.setdefault('anchor_y', 'center')
else:
kwargs.setdefault('anchor_x', 'left')
kwargs.setdefault('anchor_y', 'bottom')
del kwargs['center']
# create an uniq id for this label
id = '%s##%s' % (label, str(kwargs))
# get or store
obj = Cache.get('pymt.label', id)
if not obj:
if kwargs.get('markup'):
obj = pymt.MarkupLabel(label, **kwargs)
else:
obj = pymt.Label(label, **kwargs)
if 'nocache' not in kwargs:
Cache.append('pymt.label', id, obj)
return obj
def getLabel(label, **kwargs):
'''Get a cached label object
:Parameters:
`label` : str
Text to be draw
`font_size` : int, default to 12
Font size of label
`center` : bool, default to True
Indicate if pos is center or left-right of label
getLabel() support all parameters from the Core label. Check `LabelBase`
class to known all availables parameters.
Used by drawLabel()
'''
kwargs.setdefault('markup', False)
kwargs.setdefault('font_size', 12)
kwargs.setdefault('center', True)
if kwargs.get('center'):
kwargs.setdefault('anchor_x', 'center')
kwargs.setdefault('anchor_y', 'center')
else:
kwargs.setdefault('anchor_x', 'left')
kwargs.setdefault('anchor_y', 'bottom')
del kwargs['center']
# create an uniq id for this label
id = '%s##%s' % (label, str(kwargs))
# get or store
obj = Cache.get('pymt.label', id)
if not obj:
if kwargs.get('markup'):
obj = pymt.MarkupLabel(label, **kwargs)
else:
obj = pymt.Label(label, **kwargs)
if 'nocache' not in kwargs:
Cache.append('pymt.label', id, obj)
return obj
def css_get_style(widget):
'''Return a dict() with all the style for the widget.
:Parameters:
`widget`: class
Widget to search CSS
'''
global pymt_sheet
ref = weakref.ref(widget)
if not ref in _css_widgets:
_css_widgets.add(ref)
idwidget = css_get_widget_id(widget)
styles = Cache.get('pymt.css', idwidget)
if styles is not None:
return styles
styles = pymt_sheet.get_style(widget)
Cache.append('pymt.css', idwidget, styles)
return styles
def drawCSSRectangle(pos=(0,0), size=(100,100), style={}, prefix=None, state=None):
'''Draw a rectangle with CSS
:Parameters:
`state`: if a certain state string is passed, we will use styles with this postifx instead.
for example: style[bg-color] and style[bg-color-down] are both set.
if state == "down", we wil use bg-color-down instead of bg-color
:Styles:
* alpha-background (color)
* border-radius (float)
* border-radius-precision (float)
* border-width (float)
* draw-alpha-background (bool)
* draw-background (bool)
* draw-border (bool)
'''
bg_image = style.get('bg-image-'+str(state))
if not bg_image:
bg_image = style.get('bg-image')
# Check if we have a cached version
cache_id = '%s:%s:%s:%s:%s' % (pos, size, style, prefix, state)
cache = Cache.get('css_rect', cache_id)
if cache:
cache.draw()
if bg_image:
bg_image.size = size
bg_image.pos = pos
bg_image.draw()
return
# lets use the ones for given state,
# and ignore the regular ones if the state ones are there
if state:
state = "-" + state
newstyle = {}
overwrites = []
for s in style:
if state in s:
overwrite = s.replace(state, '')
newstyle[overwrite] = style[s]
overwrites.append(overwrite)
if s not in overwrites:
newstyle[s] = style[s]
style = newstyle
# hack to remove prefix in style
if prefix is not None:
prefix += '-'
newstyle = {}
for k in style:
newstyle[k] = style[k]
for k in style:
if prefix in k:
newstyle[k.replace(prefix, '')] = style[k]
style = newstyle
style.setdefault('border-width', 1.5)
style.setdefault('border-radius', 0)
style.setdefault('border-radius-precision', .1)
style.setdefault('draw-border', 0)
style.setdefault('draw-background', 1)
style.setdefault('draw-alpha-background', 0)
style.setdefault('alpha-background', (1, 1, .5, .5))
k = { 'pos': pos, 'size': size }
new_cache = GlDisplayList()
with new_cache:
if state:
set_color(*style['bg-color']) #hack becasue old widgets set this themselves
linewidth = style.get('border-width')
bordercolor = None
if 'border-color' in style:
bordercolor = style['border-color']
if style['border-radius'] > 0:
k.update({
'radius': style['border-radius'],
'precision': style['border-radius-precision']
})
if style['draw-background']:
drawRoundedRectangle(**k)
if style['draw-border']:
if linewidth:
glPushAttrib(GL_LINE_BIT)
glLineWidth(linewidth)
if bordercolor:
with gx_color(*bordercolor):
drawRoundedRectangle(style=GL_LINE_LOOP, **k)
else:
drawRoundedRectangle(style=GL_LINE_LOOP, **k)
if linewidth:
glPopAttrib()
if style['draw-alpha-background']:
drawRoundedRectangleAlpha(alpha=style['alpha-background'], **k)
else:
if style['draw-background']:
drawRectangle(**k)
if style['draw-border']:
if linewidth:
glPushAttrib(GL_LINE_BIT)
glLineWidth(linewidth)
if bordercolor:
with gx_color(*bordercolor):
drawRectangle(style=GL_LINE_LOOP, **k)
else:
drawRectangle(style=GL_LINE_LOOP, **k)
if linewidth:
glPopAttrib()
if style['draw-alpha-background']:
drawRectangleAlpha(alpha=style['alpha-background'], **k)
# if the drawCSSRectangle is already inside a display list
# compilation will not happen, but drawing yes.
# so, store only if a cache is created !
if new_cache.is_compiled():
Cache.append('css_rect', cache_id, new_cache)
new_cache.draw()
if bg_image:
bg_image.size = size
bg_image.pos = pos
bg_image.draw()
def drawCSSRectangle(pos=(0,0), size=(100,100), style={}, prefix=None):
'''Draw a rectangle with CSS
:Styles:
* alpha-background (color)
* border-radius (float)
* border-radius-precision (float)
* border-width (float)
* draw-alpha-background (bool)
* draw-background (bool)
* draw-border (bool)
'''
# Check if we have a cached version
cache_id = '%s:%s:%s:%s' % (pos, size, style, prefix)
cache = Cache.get('css_rect', cache_id)
if cache:
cache.draw()
return
# hack to remove prefix in style
if prefix is not None:
prefix += '-'
newstyle = {}
for k in style:
if prefix in k:
newstyle[k.replace(prefix, '')] = style[k]
style = newstyle
style.setdefault('border-width', 1.5)
style.setdefault('border-radius', 0)
style.setdefault('border-radius-precision', .1)
style.setdefault('draw-border', 0)
style.setdefault('draw-background', 1)
style.setdefault('draw-alpha-background', 0)
style.setdefault('alpha-background', (1, 1, .5, .5))
k = { 'pos': pos, 'size': size }
new_cache = GlDisplayList()
with new_cache:
linewidth = None
old_linewidth = glGetIntegerv(GL_ALIASED_LINE_WIDTH_RANGE)[1]
if style.get('border-width') != old_linewidth:
linewidth = style.get('border-width')
del style['border-width']
bordercolor = None
if 'border-color' in style:
bordercolor = style['border-color']
if style['border-radius'] > 0:
k.update({
'radius': style['border-radius'],
'precision': style['border-radius-precision']
})
if style['draw-background']:
drawRoundedRectangle(**k)
if style['draw-border']:
if linewidth:
glLineWidth(linewidth)
if bordercolor:
with gx_color(*bordercolor):
drawRoundedRectangle(style=GL_LINE_LOOP, **k)
else:
drawRoundedRectangle(style=GL_LINE_LOOP, **k)
if linewidth:
glLineWidth(old_linewidth)
if style['draw-alpha-background']:
drawRoundedRectangleAlpha(alpha=style['alpha-background'], **k)
else:
if style['draw-background']:
drawRectangle(**k)
if style['draw-border']:
if linewidth:
glLineWidth(linewidth)
if bordercolor:
with gx_color(*bordercolor):
drawRectangle(style=GL_LINE_LOOP, **k)
else:
drawRectangle(style=GL_LINE_LOOP, **k)
if linewidth:
glLineWidth(old_linewidth)
if style['draw-alpha-background']:
drawRectangleAlpha(alpha=style['alpha-background'], **k)
# if the drawCSSRectangle is already inside a display list
# compilation will not happen, but drawing yes.
# so, store only if a cache is created !
if new_cache.is_compiled():
Cache.append('css_rect', cache_id, new_cache)
new_cache.draw()
def drawCSSRectangle(pos=(0, 0), size=(100, 100), style=dict(), prefix=None, state=None):
'''Draw a rectangle with CSS
:Parameters:
`state`: if a certain state string is passed, we will use styles with this postifx instead.
for example: style[bg-color] and style[bg-color-down] are both set.
if state == "down", we wil use bg-color-down instead of bg-color
:Styles:
* alpha-background (color)
* border-radius (float)
* border-radius-precision (float)
* border-width (float)
* draw-alpha-background (bool)
* draw-background (bool)
* draw-border (bool)
'''
bg_image = style.get('bg-image-'+str(state))
if not bg_image:
bg_image = style.get('bg-image')
# Check if we have a cached version
cache_id = '%s:%s:%s:%s:%s' % (pos, size, style, prefix, state)
cache = Cache.get('pymt.cssrect', cache_id)
if cache:
cache.draw()
if bg_image:
bg_image.size = size
bg_image.pos = pos
bg_image.draw()
return
# lets use the ones for given state,
# and ignore the regular ones if the state ones are there
if state:
state = "-" + state
newstyle = {}
overwrites = []
for s in style:
if state in s:
overwrite = s.replace(state, '')
newstyle[overwrite] = style[s]
overwrites.append(overwrite)
if s not in overwrites:
newstyle[s] = style[s]
style = newstyle
# hack to remove prefix in style
if prefix is not None:
prefix += '-'
newstyle = {}
for k in style:
newstyle[k] = style[k]
for k in style:
if prefix in k:
newstyle[k.replace(prefix, '')] = style[k]
style = newstyle
style.setdefault('border-width', 1.5)
style.setdefault('border-radius', 0)
style.setdefault('border-radius-precision', .1)
style.setdefault('draw-border', 0)
style.setdefault('draw-background', 1)
style.setdefault('draw-alpha-background', 0)
style.setdefault('alpha-background', (1, 1, .5, .5))
k = { 'pos': pos, 'size': size }
new_cache = GlDisplayList()
with new_cache:
if state:
set_color(*style['bg-color']) #hack becasue old widgets set this themselves
linewidth = style.get('border-width')
bordercolor = None
if 'border-color' in style:
bordercolor = style['border-color']
if style['border-radius'] > 0:
k.update({
'radius': style['border-radius'],
'precision': style['border-radius-precision']
})
if style['draw-background']:
drawRoundedRectangle(**k)
if style['draw-border']:
if linewidth:
glPushAttrib(GL_LINE_BIT)
glLineWidth(linewidth)
if bordercolor:
with gx_color(*bordercolor):
drawRoundedRectangle(style=GL_LINE_LOOP, **k)
else:
drawRoundedRectangle(style=GL_LINE_LOOP, **k)
if linewidth:
glPopAttrib()
if style['draw-alpha-background']:
drawRoundedRectangleAlpha(alpha=style['alpha-background'], **k)
else:
if style['draw-background']:
drawRectangle(**k)
if style['draw-border']:
if linewidth:
glPushAttrib(GL_LINE_BIT)
glLineWidth(linewidth)
if bordercolor:
with gx_color(*bordercolor):
drawRectangle(style=GL_LINE_LOOP, **k)
else:
drawRectangle(style=GL_LINE_LOOP, **k)
if linewidth:
glPopAttrib()
if style['draw-alpha-background']:
drawRectangleAlpha(alpha=style['alpha-background'], **k)
# if the drawCSSRectangle is already inside a display list
# compilation will not happen, but drawing yes.
# so, store only if a cache is created !
if new_cache.is_compiled():
Cache.append('pymt.cssrect', cache_id, new_cache)
new_cache.draw()
if bg_image:
bg_image.size = size
bg_image.pos = pos
bg_image.draw()
