Python QtGui.QTabWidget类代码示例

    def __init__(self, parent, actions=None, menu=None,
                 corner_widgets=None, menu_use_tooltips=False):
        QTabWidget.__init__(self, parent)
        
        self.setUsesScrollButtons(True)
        
        self.corner_widgets = {}
        self.menu_use_tooltips = menu_use_tooltips
        
        if menu is None:
            self.menu = QMenu(self)
            if actions:
                add_actions(self.menu, actions)
        else:
            self.menu = menu
            
        # Corner widgets
        if corner_widgets is None:
            corner_widgets = {}
        corner_widgets.setdefault(Qt.TopLeftCorner, [])
        corner_widgets.setdefault(Qt.TopRightCorner, [])
        self.browse_button = create_toolbutton(self,
                                          icon=get_icon("browse_tab.png"),
                                          tip=_("Browse tabs"))
        self.browse_tabs_menu = QMenu(self)
        self.browse_button.setMenu(self.browse_tabs_menu)
        self.browse_button.setPopupMode(self.browse_button.InstantPopup)
        self.browse_tabs_menu.aboutToShow.connect(self.update_browse_tabs_menu)
        corner_widgets[Qt.TopLeftCorner] += [self.browse_button]

        self.set_corner_widgets(corner_widgets)

    def __init__(self, parent, actions=None, menu=None,
                 corner_widgets=None, menu_use_tooltips=False):
        QTabWidget.__init__(self, parent)
        self.setUsesScrollButtons(True)

        # To style tabs on Mac
        if sys.platform == 'darwin':
            self.setObjectName('plugin-tab')

        self.corner_widgets = {}
        self.menu_use_tooltips = menu_use_tooltips
        
        if menu is None:
            self.menu = QMenu(self)
            if actions:
                add_actions(self.menu, actions)
        else:
            self.menu = menu
            
        # Corner widgets
        if corner_widgets is None:
            corner_widgets = {}
        corner_widgets.setdefault(Qt.TopLeftCorner, [])
        corner_widgets.setdefault(Qt.TopRightCorner, [])
        self.browse_button = create_toolbutton(self,
                                          icon=ima.icon('browse_tab'),
                                          tip=_("Browse tabs"))
        self.browse_tabs_menu = QMenu(self)
        self.browse_button.setMenu(self.browse_tabs_menu)
        self.browse_button.setPopupMode(self.browse_button.InstantPopup)
        self.browse_tabs_menu.aboutToShow.connect(self.update_browse_tabs_menu)
        corner_widgets[Qt.TopLeftCorner] += [self.browse_button]

        self.set_corner_widgets(corner_widgets)

class FormTabWidget(QWidget):
    update_buttons = Signal()

    def __init__(self, datalist, comment="", parent=None):
        QWidget.__init__(self, parent)
        layout = QVBoxLayout()
        self.tabwidget = QTabWidget()
        layout.addWidget(self.tabwidget)
        self.setLayout(layout)
        self.widgetlist = []
        for data, title, comment in datalist:
            if len(data[0])==3:
                widget = FormComboWidget(data, comment=comment, parent=self)
            else:
                widget = FormWidget(data, comment=comment, parent=self)
            index = self.tabwidget.addTab(widget, title)
            self.tabwidget.setTabToolTip(index, comment)
            self.widgetlist.append(widget)
            
    def setup(self):
        for widget in self.widgetlist:
            widget.setup()
            
    def get(self):
        return [ widget.get() for widget in self.widgetlist]

 def setup_page(self):
     tabs = QTabWidget()
     names = self.get_option("names")
     names.pop(names.index(CUSTOM_COLOR_SCHEME_NAME))
     names.insert(0, CUSTOM_COLOR_SCHEME_NAME)
     fieldnames = {
                   "background":     _("Background:"),
                   "currentline":    _("Current line:"),
                   "currentcell":    _("Current cell:"),
                   "occurence":      _("Occurence:"),
                   "ctrlclick":      _("Link:"),
                   "sideareas":      _("Side areas:"),
                   "matched_p":      _("Matched parentheses:"),
                   "unmatched_p":    _("Unmatched parentheses:"),
                   "normal":         _("Normal text:"),
                   "keyword":        _("Keyword:"),
                   "builtin":        _("Builtin:"),
                   "definition":     _("Definition:"),
                   "comment":        _("Comment:"),
                   "string":         _("String:"),
                   "number":         _("Number:"),
                   "instance":       _("Instance:"),
                   }
     from spyderlib.utils import syntaxhighlighters
     assert all([key in fieldnames
                 for key in syntaxhighlighters.COLOR_SCHEME_KEYS])
     for tabname in names:
         cs_group = QGroupBox(_("Color scheme"))
         cs_layout = QGridLayout()
         for row, key in enumerate(syntaxhighlighters.COLOR_SCHEME_KEYS):
             option = "%s/%s" % (tabname, key)
             value = self.get_option(option)
             name = fieldnames[key]
             if is_text_string(value):
                 label, clayout = self.create_coloredit(name, option,
                                                        without_layout=True)
                 label.setAlignment(Qt.AlignRight|Qt.AlignVCenter)
                 cs_layout.addWidget(label, row+1, 0)
                 cs_layout.addLayout(clayout, row+1, 1)
             else:
                 label, clayout, cb_bold, cb_italic = self.create_scedit(
                                         name, option, without_layout=True)
                 label.setAlignment(Qt.AlignRight|Qt.AlignVCenter)
                 cs_layout.addWidget(label, row+1, 0)
                 cs_layout.addLayout(clayout, row+1, 1)
                 cs_layout.addWidget(cb_bold, row+1, 2)
                 cs_layout.addWidget(cb_italic, row+1, 3)
         cs_group.setLayout(cs_layout)
         if tabname in sh.COLOR_SCHEME_NAMES:
             def_btn = self.create_button(_("Reset to default values"),
                                      lambda: self.reset_to_default(tabname))
             tabs.addTab(self.create_tab(cs_group, def_btn), tabname)
         else:
             tabs.addTab(self.create_tab(cs_group), tabname)
     
     vlayout = QVBoxLayout()
     vlayout.addWidget(tabs)
     self.setLayout(vlayout)

 def mousePressEvent(self, event):
     """Override Qt method"""
     if event.button() == Qt.MidButton:
         index = self.tabBar().tabAt(event.pos())
         if index >= 0:
             self.sig_close_tab.emit(index)
             event.accept()
             return
     QTabWidget.mousePressEvent(self, event)

 def keyPressEvent(self, event):
     """Override Qt method"""
     ctrl = event.modifiers() & Qt.ControlModifier
     key = event.key()
     handled = False
     if ctrl and self.count() > 0:
         index = self.currentIndex()
         if key == Qt.Key_PageUp and index > 0:
             self.setCurrentIndex(index-1)
             handled = True
         elif key == Qt.Key_PageDown and index < self.count()-1:
             self.setCurrentIndex(index+1)
             handled = True
     if not handled:
         QTabWidget.keyPressEvent(self, event)

 def set_close_function(self, func):
     """Setting Tabs close function
     None -> tabs are not closable"""
     state = func is not None
     if state:
         self.sig_close_tab.connect(func)
     try:
         # Assuming Qt >= 4.5
         QTabWidget.setTabsClosable(self, state)
         self.tabCloseRequested.connect(func)
     except AttributeError:
         # Workaround for Qt < 4.5
         close_button = create_toolbutton(self, triggered=func,
                                          icon=ima.icon('fileclose'),
                                          tip=_("Close current tab"))
         self.setCornerWidget(close_button if state else None)

 def __init__(self, datalist, comment="", parent=None):
     QWidget.__init__(self, parent)
     layout = QVBoxLayout()
     self.tabwidget = QTabWidget()
     layout.addWidget(self.tabwidget)
     self.setLayout(layout)
     self.widgetlist = []
     for data, title, comment in datalist:
         if len(data[0])==3:
             widget = FormComboWidget(data, comment=comment, parent=self)
         else:
             widget = FormWidget(data, comment=comment, parent=self)
         index = self.tabwidget.addTab(widget, title)
         self.tabwidget.setTabToolTip(index, comment)
         self.widgetlist.append(widget)

    def __init__(self, parent, text, title=None, icon=None, contents_title=None, varname=None):
        QDialog.__init__(self, parent)

        # Destroying the C++ object right after closing the dialog box,
        # otherwise it may be garbage-collected in another QThread
        # (e.g. the editor's analysis thread in Spyder), thus leading to
        # a segmentation fault on UNIX or an application crash on Windows
        self.setAttribute(Qt.WA_DeleteOnClose)

        if title is None:
            title = _("Import wizard")
        self.setWindowTitle(title)
        if icon is None:
            self.setWindowIcon(ima.icon("fileimport"))
        if contents_title is None:
            contents_title = _("Raw text")

        if varname is None:
            varname = _("variable_name")

        self.var_name, self.clip_data = None, None

        # Setting GUI
        self.tab_widget = QTabWidget(self)
        self.text_widget = ContentsWidget(self, text)
        self.table_widget = PreviewWidget(self)

        self.tab_widget.addTab(self.text_widget, _("text"))
        self.tab_widget.setTabText(0, contents_title)
        self.tab_widget.addTab(self.table_widget, _("table"))
        self.tab_widget.setTabText(1, _("Preview"))
        self.tab_widget.setTabEnabled(1, False)

        name_layout = QHBoxLayout()
        name_label = QLabel(_("Variable Name"))
        name_layout.addWidget(name_label)

        self.name_edt = QLineEdit()
        self.name_edt.setText(varname)
        name_layout.addWidget(self.name_edt)

        btns_layout = QHBoxLayout()
        cancel_btn = QPushButton(_("Cancel"))
        btns_layout.addWidget(cancel_btn)
        cancel_btn.clicked.connect(self.reject)
        h_spacer = QSpacerItem(40, 20, QSizePolicy.Expanding, QSizePolicy.Minimum)
        btns_layout.addItem(h_spacer)
        self.back_btn = QPushButton(_("Previous"))
        self.back_btn.setEnabled(False)
        btns_layout.addWidget(self.back_btn)
        self.back_btn.clicked.connect(ft_partial(self._set_step, step=-1))
        self.fwd_btn = QPushButton(_("Next"))
        btns_layout.addWidget(self.fwd_btn)
        self.fwd_btn.clicked.connect(ft_partial(self._set_step, step=1))
        self.done_btn = QPushButton(_("Done"))
        self.done_btn.setEnabled(False)
        btns_layout.addWidget(self.done_btn)
        self.done_btn.clicked.connect(self.process)

        self.text_widget.asDataChanged.connect(self.fwd_btn.setEnabled)
        self.text_widget.asDataChanged.connect(self.done_btn.setDisabled)
        layout = QVBoxLayout()
        layout.addLayout(name_layout)
        layout.addWidget(self.tab_widget)
        layout.addLayout(btns_layout)
        self.setLayout(layout)

class ImportWizard(QDialog):
    """Text data import wizard"""

    def __init__(self, parent, text, title=None, icon=None, contents_title=None, varname=None):
        QDialog.__init__(self, parent)

        # Destroying the C++ object right after closing the dialog box,
        # otherwise it may be garbage-collected in another QThread
        # (e.g. the editor's analysis thread in Spyder), thus leading to
        # a segmentation fault on UNIX or an application crash on Windows
        self.setAttribute(Qt.WA_DeleteOnClose)

        if title is None:
            title = _("Import wizard")
        self.setWindowTitle(title)
        if icon is None:
            self.setWindowIcon(ima.icon("fileimport"))
        if contents_title is None:
            contents_title = _("Raw text")

        if varname is None:
            varname = _("variable_name")

        self.var_name, self.clip_data = None, None

        # Setting GUI
        self.tab_widget = QTabWidget(self)
        self.text_widget = ContentsWidget(self, text)
        self.table_widget = PreviewWidget(self)

        self.tab_widget.addTab(self.text_widget, _("text"))
        self.tab_widget.setTabText(0, contents_title)
        self.tab_widget.addTab(self.table_widget, _("table"))
        self.tab_widget.setTabText(1, _("Preview"))
        self.tab_widget.setTabEnabled(1, False)

        name_layout = QHBoxLayout()
        name_label = QLabel(_("Variable Name"))
        name_layout.addWidget(name_label)

        self.name_edt = QLineEdit()
        self.name_edt.setText(varname)
        name_layout.addWidget(self.name_edt)

        btns_layout = QHBoxLayout()
        cancel_btn = QPushButton(_("Cancel"))
        btns_layout.addWidget(cancel_btn)
        cancel_btn.clicked.connect(self.reject)
        h_spacer = QSpacerItem(40, 20, QSizePolicy.Expanding, QSizePolicy.Minimum)
        btns_layout.addItem(h_spacer)
        self.back_btn = QPushButton(_("Previous"))
        self.back_btn.setEnabled(False)
        btns_layout.addWidget(self.back_btn)
        self.back_btn.clicked.connect(ft_partial(self._set_step, step=-1))
        self.fwd_btn = QPushButton(_("Next"))
        btns_layout.addWidget(self.fwd_btn)
        self.fwd_btn.clicked.connect(ft_partial(self._set_step, step=1))
        self.done_btn = QPushButton(_("Done"))
        self.done_btn.setEnabled(False)
        btns_layout.addWidget(self.done_btn)
        self.done_btn.clicked.connect(self.process)

        self.text_widget.asDataChanged.connect(self.fwd_btn.setEnabled)
        self.text_widget.asDataChanged.connect(self.done_btn.setDisabled)
        layout = QVBoxLayout()
        layout.addLayout(name_layout)
        layout.addWidget(self.tab_widget)
        layout.addLayout(btns_layout)
        self.setLayout(layout)

    def _focus_tab(self, tab_idx):
        """Change tab focus"""
        for i in range(self.tab_widget.count()):
            self.tab_widget.setTabEnabled(i, False)
        self.tab_widget.setTabEnabled(tab_idx, True)
        self.tab_widget.setCurrentIndex(tab_idx)

    def _set_step(self, step):
        """Proceed to a given step"""
        new_tab = self.tab_widget.currentIndex() + step
        assert new_tab < self.tab_widget.count() and new_tab >= 0
        if new_tab == self.tab_widget.count() - 1:
            try:
                self.table_widget.open_data(
                    self._get_plain_text(),
                    self.text_widget.get_col_sep(),
                    self.text_widget.get_row_sep(),
                    self.text_widget.trnsp_box.isChecked(),
                    self.text_widget.get_skiprows(),
                    self.text_widget.get_comments(),
                )
                self.done_btn.setEnabled(True)
                self.done_btn.setDefault(True)
                self.fwd_btn.setEnabled(False)
                self.back_btn.setEnabled(True)
            except (SyntaxError, AssertionError) as error:
                QMessageBox.critical(
                    self,
                    _("Import wizard"),
                    _(
#.........这里部分代码省略.........

class ImportWizard(QDialog):
    """Text data import wizard"""
    def __init__(self, parent, text,
                 title=None, icon=None, contents_title=None, varname=None):
        QDialog.__init__(self, parent)
        
        # Destroying the C++ object right after closing the dialog box,
        # otherwise it may be garbage-collected in another QThread
        # (e.g. the editor's analysis thread in Spyder), thus leading to
        # a segmentation fault on UNIX or an application crash on Windows
        self.setAttribute(Qt.WA_DeleteOnClose)
        
        if title is None:
            title = _("Import wizard")
        self.setWindowTitle(title)
        if icon is None:
            self.setWindowIcon(get_icon("fileimport.png"))
        if contents_title is None:
            contents_title = _("Raw text")
        
        if varname is None:
            varname = _("variable_name")
        
        self.var_name, self.clip_data = None, None
        
        # Setting GUI
        self.tab_widget = QTabWidget(self)
        self.text_widget = ContentsWidget(self, text)
        self.table_widget = PreviewWidget(self)
        
        self.tab_widget.addTab(self.text_widget, _("text"))
        self.tab_widget.setTabText(0, contents_title)
        self.tab_widget.addTab(self.table_widget, _("table"))
        self.tab_widget.setTabText(1, _("Preview"))
        self.tab_widget.setTabEnabled(1, False)
        
        name_layout = QHBoxLayout()
        name_h_spacer = QSpacerItem(40, 20, 
                                    QSizePolicy.Expanding, QSizePolicy.Minimum)
        name_layout.addItem(name_h_spacer)
        
        name_label = QLabel(_("Name"))
        name_layout.addWidget(name_label)
        self.name_edt = QLineEdit()
        self.name_edt.setMaximumWidth(100)
        self.name_edt.setText(varname)
        name_layout.addWidget(self.name_edt)
        
        btns_layout = QHBoxLayout()
        cancel_btn = QPushButton(_("Cancel"))
        btns_layout.addWidget(cancel_btn)
        self.connect(cancel_btn, SIGNAL("clicked()"), self, SLOT("reject()"))
        h_spacer = QSpacerItem(40, 20,
                               QSizePolicy.Expanding, QSizePolicy.Minimum)
        btns_layout.addItem(h_spacer)
        self.back_btn = QPushButton(_("Previous"))
        self.back_btn.setEnabled(False)
        btns_layout.addWidget(self.back_btn)
        self.connect(self.back_btn, SIGNAL("clicked()"),
                     ft_partial(self._set_step, step=-1))
        self.fwd_btn = QPushButton(_("Next"))
        btns_layout.addWidget(self.fwd_btn)
        self.connect(self.fwd_btn, SIGNAL("clicked()"),
                     ft_partial(self._set_step, step=1))
        self.done_btn = QPushButton(_("Done"))
        self.done_btn.setEnabled(False)
        btns_layout.addWidget(self.done_btn)
        self.connect(self.done_btn, SIGNAL("clicked()"),
                     self, SLOT("process()"))
        
        self.connect(self.text_widget, SIGNAL("asDataChanged(bool)"),
                     self.fwd_btn, SLOT("setEnabled(bool)"))
        self.connect(self.text_widget, SIGNAL("asDataChanged(bool)"),
                     self.done_btn, SLOT("setDisabled(bool)"))
        layout = QVBoxLayout()
        layout.addLayout(name_layout)
        layout.addWidget(self.tab_widget)
        layout.addLayout(btns_layout)
        self.setLayout(layout)

    def _focus_tab(self, tab_idx):
        """Change tab focus"""
        for i in range(self.tab_widget.count()):
            self.tab_widget.setTabEnabled(i, False)
        self.tab_widget.setTabEnabled(tab_idx, True)
        self.tab_widget.setCurrentIndex(tab_idx)
        
    def _set_step(self,step):
        """Proceed to a given step"""
        new_tab = self.tab_widget.currentIndex() + step
        assert new_tab < self.tab_widget.count() and new_tab >= 0
        if new_tab == self.tab_widget.count()-1:
            try:
                self.table_widget.open_data(self._get_plain_text(),
                                        self.text_widget.get_col_sep(),
                                        self.text_widget.get_row_sep(),
                                        self.text_widget.trnsp_box.isChecked(),
                                        self.text_widget.get_skiprows(),
                                        self.text_widget.get_comments())
                self.done_btn.setEnabled(True)
#.........这里部分代码省略.........

#.........这里部分代码省略.........
                                "<tt>ins.meth().&lt;Tab&gt;</tt>"))
        greedy_label.setWordWrap(True)
        greedy_box = newcb(_("Use the greedy completer"), "greedy_completer",
                           tip="<b>Warning</b>: It can be unsafe because the "
                                "code is actually evaluated when you press "
                                "<tt>Tab</tt>.")
        
        greedy_layout = QVBoxLayout()
        greedy_layout.addWidget(greedy_label)
        greedy_layout.addWidget(greedy_box)
        greedy_group.setLayout(greedy_layout)
        
        # Autocall group
        autocall_group = QGroupBox(_("Autocall"))
        autocall_label = QLabel(_("Autocall makes IPython automatically call "
                                "any callable object even if you didn't type "
                                "explicit parentheses.<br>"
                                "For example, if you type <i>str 43</i> it "
                                "becomes <i>str(43)</i> automatically."))
        autocall_label.setWordWrap(True)
        
        smart = _('Smart')
        full = _('Full')
        autocall_opts = ((_('Off'), 0), (smart, 1), (full, 2))
        autocall_box = self.create_combobox(
                       _("Autocall:  "), autocall_opts, 'autocall', default=0,
                       tip=_("On <b>%s</b> mode, Autocall is not applied if "
                             "there are no arguments after the callable. On "
                             "<b>%s</b> mode, all callable objects are "
                             "automatically called (even if no arguments are "
                             "present).") % (smart, full))
        
        autocall_layout = QVBoxLayout()
        autocall_layout.addWidget(autocall_label)
        autocall_layout.addWidget(autocall_box)
        autocall_group.setLayout(autocall_layout)
        
        # Sympy group
        sympy_group = QGroupBox(_("Symbolic Mathematics"))
        sympy_label = QLabel(_("Perfom symbolic operations in the console "
                               "(e.g. integrals, derivatives, vector calculus, "
                               "etc) and get the outputs in a beautifully "
                               "printed style."))
        sympy_label.setWordWrap(True)
        sympy_box = newcb(_("Use symbolic math"), "symbolic_math",
                          tip=_("This option loads the Sympy library to work "
                                "with.<br>Please refer to its documentation to "
                                "learn how to use it."))
        
        sympy_layout = QVBoxLayout()
        sympy_layout.addWidget(sympy_label)
        sympy_layout.addWidget(sympy_box)
        sympy_group.setLayout(sympy_layout)
        
        sympy_present = programs.is_module_installed("sympy")
        if not sympy_present:
            self.set_option("symbolic_math", False)
            sympy_box.setEnabled(False)
            sympy_tip = _("This feature requires the Sympy library.\n"
                          "It seems you don't have it installed.")
            sympy_box.setToolTip(sympy_tip)
        
        # Prompts group
        prompts_group = QGroupBox(_("Prompts"))
        prompts_label = QLabel(_("Modify how Input and Output prompts are "
                                 "shown in the console."))
        prompts_label.setWordWrap(True)
        in_prompt_edit = self.create_lineedit(_("Input prompt:"),
                                    'in_prompt', '',
                                  _('Default is<br>'
                                    'In [&lt;span class="in-prompt-number"&gt;'
                                    '%i&lt;/span&gt;]:'),
                                    alignment=Qt.Horizontal)
        out_prompt_edit = self.create_lineedit(_("Output prompt:"),
                                   'out_prompt', '',
                                 _('Default is<br>'
                                   'Out[&lt;span class="out-prompt-number"&gt;'
                                   '%i&lt;/span&gt;]:'),
                                   alignment=Qt.Horizontal)
        
        prompts_layout = QVBoxLayout()
        prompts_layout.addWidget(prompts_label)
        prompts_layout.addWidget(in_prompt_edit)
        prompts_layout.addWidget(out_prompt_edit)
        prompts_group.setLayout(prompts_layout)

        # --- Tabs organization ---
        tabs = QTabWidget()
        tabs.addTab(self.create_tab(font_group, interface_group, bg_group,
                                    source_code_group), _("Display"))
        tabs.addTab(self.create_tab(pylab_group, backend_group, inline_group),
                                    _("Graphics"))
        tabs.addTab(self.create_tab(run_lines_group, run_file_group),
                                    _("Startup"))
        tabs.addTab(self.create_tab(greedy_group, autocall_group, sympy_group,
                                    prompts_group), _("Advanced Settings"))

        vlayout = QVBoxLayout()
        vlayout.addWidget(tabs)
        self.setLayout(vlayout)