def create_window(self,owner,name,content=None):
node=parser(content=content) if content else \
self.__windows.get(name.lower())
if node is not None:
cfg=node.attrib
owner.menus={}
if not hasattr(owner,'_actions'):
owner._actions={}
if not hasattr(owner,'actiongroups'):
owner.actiongroups={}
for child in node:
tag=child.tag
if tag=='link':
child=self.get_link(child)
tag=child.tag
attrib=child.attrib
if tag in self.tools:
getattr(self,'create_%s'%(tag))(child,owner)
elif tag in self.layouts:
owner.setLayout(self.create_layout(child,owner,owner))
elif tag == 'property':
self.set_property(owner,owner,attrib)
elif tag=='connect':
self.do_connect(owner,owner,attrib)
elif tag=='variable':
self.set_var(owner,owner,attrib)
def open_ui(file_name):
self=QGui
try:
self.ui_root=parser(file_name)
except:
self.ui_root=[]
self.__windows={}
self.__widgets={}
for node in self.ui_root:
name=node.attrib.get('name').lower()
if name:
if node.tag=='window':
self.__windows[name]=node
elif node.tag=='widget':
self.__widgets[name]=node
def __init__(self,file_name=None): #初始化函数
if file_name is not None: #如果有文件名，则加载UI资源
try:
for node in parser(file_name):
if 'name' in node.attrib: #缓存窗口资源
self.windows[node.attrib['name'].lower()]=node
if 'id' in node.attrib: #缓存锚点资源
self.resources[node.attrib['id'].lower()]=node
except:
pass
#缓存所有的Widget及Layout
widgets=[x for x in globals() if x.startswith('Q')]
for x in widgets:
try:
v=eval(x)
if issubclass(v,QWidget) or issubclass(v,QLayout):
self.WIDGETS[x.lower()]=v
except:
pass
def __init__(self, file_name=None): #初始化函数
if file_name is not None: #如果有文件名，则加载UI资源
try:
for node in parser(file_name):
if 'name' in node.attrib: #缓存窗口资源
self.windows[node.attrib['name'].lower()] = node
if 'id' in node.attrib: #缓存锚点资源
self.resources[node.attrib['id'].lower()] = node
except:
pass
#缓存所有的Widget及Layout
widgets = [x for x in globals() if x.startswith('Q')]
for x in widgets:
try:
v = eval(x)
if issubclass(v, QWidget) or issubclass(v, QLayout):
self.WIDGETS[x.lower()] = v
except:
pass
def setup_UI(self,owner,name=None,text=None,apps=None):#创建窗口
actions={} #初始化actions
actiongroups={} #初始化actiongroups
def proc_apps(head): #处理apps，主要是处理菜单及工具栏
for app in apps:
name=app['class']
text=app.get('text','')
action=QAction(text,head)
action.setIcon(self.create_icon(owner,app.get('icon')))
shortcut=app.get('shortcut')
if shortcut:
action.setShortcut(shortcut)
action.triggered.connect(partial(owner.add_child,name))
actions[name]=action
group=app.get('group',None)
if group:
if group not in actiongroups:
actiongroups[group]=QActionGroup(head)
actiongroups[group].addAction(action)
owner.app_list=actions.copy()
def create_widget(head,tag,attrib): #创建控件或布局
Widget=self.get_widget(tag) #获取控件的类型，如失败则返回
if Widget is None:return
if issubclass(Widget,QLayout): #布局的处理
return create_layout(head,Widget,attrib)
text=attrib.get('text')
widget=Widget(text) #生成控件
if hasattr(head,'addPermanentWidget'):#StatusBar控件处理
head.addPermanentWidget(widget)
elif hasattr(head,'addWidget'): #摆放控件
add_layout(head,'addWidget',widget,attrib)
elif hasattr(head,'setCentralWidget'):
head.setCentralWidget(widget)
return widget
def create_layout(head,Layout,attrib):#生成布局
layout=Layout()
if isinstance(head,QLayout): #摆放布局
add_layout(head,'addLayout',layout,attrib)
elif hasattr(head,'setLayout'):
head.setLayout(layout)
return layout
def add_layout(layout,func,widget,attrib):#摆放布局或控件
if isinstance(layout,QFormLayout):#表单布局的处理
label=attrib.get('label')
args=[widget] if label is None else[label,widget]
layout.addRow(*args)
elif isinstance(layout,QGridLayout):#表格布局的处理
pos=attrib.get('pos')
args=[int(x) for x in pos.split(',')]
if len(args) in (2,4):
args.insert(0,widget)
getattr(layout,func)(*args)
else:#其他布局的处理
getattr(layout,func)(widget)
def create_menubar(head,attrib): #生成菜单栏
menubar=QMenuBar() #生成菜单栏
if hasattr(head,'setMenuBar'): #设置菜单栏
head.setMenuBar(menubar)
return menubar
def create_menu(head,attrib): #生成菜单项
text=attrib.get('text')
if hasattr(head,'addMenu'): #添加菜单
menu=head.addMenu(text)
add_actions(menu,attrib) #处理actions 属性
return menu
def add_actions(widget,attrib): #处理actions 属性
actions=attrib.get('actions')
if actions:
widget.addActions(
actiongroups[actions].actions())
def create_action(head,attrib):# 生成action
href=attrib.get('href') #引用action的处理
if href:
action=actions.get(href)
else:
text=attrib.get('text')
action=QAction(text,head)
icon=self.create_icon(owner,attrib.get('icon'))
action.setIcon(icon)
triggered=attrib.get('triggered')
if triggered:
do_connect(action,'triggered',triggered)
name=attrib.get('id')
if name:
actions[name]=action
if hasattr(head,'addAction'): #添加action
head.addAction(action)
return action
def create_toolbar(head,attrib): #添加工具栏
toolbar=QToolBar()
if hasattr(head,'addToolBar'):
head.addToolBar(toolbar)
add_actions(toolbar,attrib)
return toolbar
def create_actiongroup(head,attrib): #生成actiongroup
actiongroup=QActionGroup(head)
name=attrib.get('id').lower()
if name is not None:
actiongroups[name]=actiongroup
return actiongroup
def set_property(widget,k,v): #设置属性
k=k.lower()
ps=self.get_propertys(widget)
if k=='icon':
v=self.create_icon(v)
else:
v=eval(v)
for p in ['set','add','']:
s=p+k
if s in ps:
getattr(widget,ps[s])(v)
break
def do_connect(widget,signal,slot): #处理连接
signal=self.get_attr(signal,[widget,owner])
slot=self.get_attr(slot,[owner,widget])
if signal and slot:
signal.connect(slot)
def set_variable(widget,var,p): #设置变量
s=p.split('.')
t=None
if len(s)>1:
p=s[0]
t=eval(s[-1])
owner.var_list[var]=WidgetVar(widget,p,t)
def proc_child(head,node): #遍历子类型
if head is None:return
for child in node:
tag=child.tag
if tag=='a': #处理锚点
href=child.attrib.get('href')
child=self.resources.get(href)
tag=child.tag
attrib=child.attrib
func=functions.get(child.tag) #根据TAG获取处理函数
if func in [set_variable,set_property,do_connect]:
[func(head,k,v)for k,v in attrib.items()]
else:
w=func(head,attrib) if func else create_widget(head,tag,attrib)
if w is not None:
name=attrib.get('name')
if name:
setattr(owner,name,w)
proc_child(w,child)
def create_statusbar(head,attrib): #处理状态栏
if hasattr(head,'statusBar'):
statusbar=head.statusBar()
if statusbar is None:
statusbar=QStatusBar()
if hasattr('setStatusBar'):
head.setSatusBar(statusbar)
return statusbar
def add_separator(head,attrib): #处理分割符
if hasattr(head,'addSeparator'):
head.addSeparator()
def add_stretch(head,attrib): #设置分割栏
if hasattr(head,'addStretch'):
head.addStretch()
functions={
'menubar':create_menubar,
'toolbar':create_toolbar,
'statusbar':create_statusbar,
'menu':create_menu,
'actiongroup':create_actiongroup,
'group':create_actiongroup,
'separator':add_separator,
'sep':add_separator,
'action':create_action,
'variable':set_variable,
'var':set_variable,
'property':set_property,
'signal':do_connect,
'stretch':add_stretch,
'connect':do_connect,
}
node=parser(content=text) if text else self.windows.get(name) #获取窗口资源
if node:
widget=create_widget(owner,node.tag,node.attrib) #生成主窗口
if widget:
if apps: #处理apps
proc_apps(widget)
widget.owner=owner
proc_child(widget,node) # 处理属性及子控件
owner.widget=widget #这一句主要是防止系统自动进行垃圾回收
return widget
def setup_UI(self, owner, name=None, text=None, apps=None): #创建窗口
actions = {} #初始化actions
actiongroups = {} #初始化actiongroups
def proc_apps(head): #处理apps，主要是处理菜单及工具栏
for app in apps:
name = app['class']
text = app.get('text', '')
action = QAction(text, head)
action.setIcon(self.create_icon(owner, app.get('icon')))
shortcut = app.get('shortcut')
if shortcut:
action.setShortcut(shortcut)
action.triggered.connect(partial(owner.add_child, name))
actions[name] = action
group = app.get('group', None)
if group:
if group not in actiongroups:
actiongroups[group] = QActionGroup(head)
actiongroups[group].addAction(action)
owner.app_list = actions.copy()
def create_widget(head, tag, attrib): #创建控件或布局
Widget = self.get_widget(tag) #获取控件的类型，如失败则返回
if Widget is None: return
if issubclass(Widget, QLayout): #布局的处理
return create_layout(head, Widget, attrib)
text = attrib.get('text')
widget = Widget(text) #生成控件
if hasattr(head, 'addPermanentWidget'): #StatusBar控件处理
head.addPermanentWidget(widget)
elif hasattr(head, 'addWidget'): #摆放控件
add_layout(head, 'addWidget', widget, attrib)
elif hasattr(head, 'setCentralWidget'):
head.setCentralWidget(widget)
return widget
def create_layout(head, Layout, attrib): #生成布局
layout = Layout()
if isinstance(head, QLayout): #摆放布局
add_layout(head, 'addLayout', layout, attrib)
elif hasattr(head, 'setLayout'):
head.setLayout(layout)
return layout
def add_layout(layout, func, widget, attrib): #摆放布局或控件
if isinstance(layout, QFormLayout): #表单布局的处理
label = attrib.get('label')
args = [widget] if label is None else [label, widget]
layout.addRow(*args)
elif isinstance(layout, QGridLayout): #表格布局的处理
pos = attrib.get('pos')
args = [int(x) for x in pos.split(',')]
if len(args) in (2, 4):
args.insert(0, widget)
getattr(layout, func)(*args)
else: #其他布局的处理
getattr(layout, func)(widget)
def create_menubar(head, attrib): #生成菜单栏
menubar = QMenuBar() #生成菜单栏
if hasattr(head, 'setMenuBar'): #设置菜单栏
head.setMenuBar(menubar)
return menubar
def create_menu(head, attrib): #生成菜单项
text = attrib.get('text')
if hasattr(head, 'addMenu'): #添加菜单
menu = head.addMenu(text)
add_actions(menu, attrib) #处理actions 属性
return menu
def add_actions(widget, attrib): #处理actions 属性
actions = attrib.get('actions')
if actions:
widget.addActions(actiongroups[actions].actions())
def create_action(head, attrib): # 生成action
href = attrib.get('href') #引用action的处理
if href:
action = actions.get(href)
else:
text = attrib.get('text')
action = QAction(text, head)
icon = self.create_icon(owner, attrib.get('icon'))
action.setIcon(icon)
triggered = attrib.get('triggered')
if triggered:
do_connect(action, 'triggered', triggered)
name = attrib.get('id')
if name:
actions[name] = action
if hasattr(head, 'addAction'): #添加action
head.addAction(action)
return action
def create_toolbar(head, attrib): #添加工具栏
toolbar = QToolBar()
if hasattr(head, 'addToolBar'):
head.addToolBar(toolbar)
add_actions(toolbar, attrib)
return toolbar
def create_actiongroup(head, attrib): #生成actiongroup
actiongroup = QActionGroup(head)
name = attrib.get('id').lower()
if name is not None:
actiongroups[name] = actiongroup
return actiongroup
def set_property(widget, k, v): #设置属性
k = k.lower()
ps = self.get_propertys(widget)
if k == 'icon':
v = self.create_icon(v)
else:
v = eval(v)
for p in ['set', 'add', '']:
s = p + k
if s in ps:
getattr(widget, ps[s])(v)
break
def do_connect(widget, signal, slot): #处理连接
signal = self.get_attr(signal, [widget, owner])
slot = self.get_attr(slot, [owner, widget])
if signal and slot:
signal.connect(slot)
def set_variable(widget, var, p): #设置变量
s = p.split('.')
t = None
if len(s) > 1:
p = s[0]
t = eval(s[-1])
owner.var_list[var] = WidgetVar(widget, p, t)
def proc_child(head, node): #遍历子类型
if head is None: return
for child in node:
tag = child.tag
if tag == 'a': #处理锚点
href = child.attrib.get('href')
child = self.resources.get(href)
tag = child.tag
attrib = child.attrib
func = functions.get(child.tag) #根据TAG获取处理函数
if func in [set_variable, set_property, do_connect]:
[func(head, k, v) for k, v in attrib.items()]
else:
w = func(head, attrib) if func else create_widget(
head, tag, attrib)
if w is not None:
name = attrib.get('name')
if name:
setattr(owner, name, w)
proc_child(w, child)
def create_statusbar(head, attrib): #处理状态栏
if hasattr(head, 'statusBar'):
statusbar = head.statusBar()
if statusbar is None:
statusbar = QStatusBar()
if hasattr('setStatusBar'):
head.setSatusBar(statusbar)
return statusbar
def add_separator(head, attrib): #处理分割符
if hasattr(head, 'addSeparator'):
head.addSeparator()
def add_stretch(head, attrib): #设置分割栏
if hasattr(head, 'addStretch'):
head.addStretch()
functions = {
'menubar': create_menubar,
'toolbar': create_toolbar,
'statusbar': create_statusbar,
'menu': create_menu,
'actiongroup': create_actiongroup,
'group': create_actiongroup,
'separator': add_separator,
'sep': add_separator,
'action': create_action,
'variable': set_variable,
'var': set_variable,
'property': set_property,
'signal': do_connect,
'stretch': add_stretch,
'connect': do_connect,
}
node = parser(
content=text) if text else self.windows.get(name) #获取窗口资源
if node:
widget = create_widget(owner, node.tag, node.attrib) #生成主窗口
if widget:
if apps: #处理apps
proc_apps(widget)
widget.owner = owner
proc_child(widget, node) # 处理属性及子控件
owner.widget = widget #这一句主要是防止系统自动进行垃圾回收
return widget
