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Diffstat (limited to 'mvc/widgets/gtk/controls.py')
| -rw-r--r-- | mvc/widgets/gtk/controls.py | 337 |
1 files changed, 0 insertions, 337 deletions
diff --git a/mvc/widgets/gtk/controls.py b/mvc/widgets/gtk/controls.py deleted file mode 100644 index 4367c1f..0000000 --- a/mvc/widgets/gtk/controls.py +++ /dev/null @@ -1,337 +0,0 @@ -# @Base: Miro - an RSS based video player application -# Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 -# Participatory Culture Foundation -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -# -# In addition, as a special exception, the copyright holders give -# permission to link the code of portions of this program with the OpenSSL -# library. -# -# You must obey the GNU General Public License in all respects for all of -# the code used other than OpenSSL. If you modify file(s) with this -# exception, you may extend this exception to your version of the file(s), -# but you are not obligated to do so. If you do not wish to do so, delete -# this exception statement from your version. If you delete this exception -# statement from all source files in the program, then also delete it here. - -""".controls -- Control Widgets.""" - -import gtk -import pango - -from mvc.widgets import widgetconst -import layout -from .base import Widget -from .simple import Label - -class BinBaselineCalculator(object): - """Mixin class that defines the baseline method for gtk.Bin subclasses, - where the child is the label that we are trying to get the baseline for. - """ - - def baseline(self): - my_size = self._widget.size_request() - child_size = self._widget.child.size_request() - ypad = (my_size[1] - child_size[1]) / 2 - - pango_context = self._widget.get_pango_context() - metrics = pango_context.get_metrics(self._widget.style.font_desc) - return pango.PIXELS(metrics.get_descent()) + ypad - -class TextEntry(Widget): - entry_class = gtk.Entry - def __init__(self, initial_text=None): - Widget.__init__(self) - self.create_signal('activate') - self.create_signal('changed') - self.create_signal('validate') - self.set_widget(self.entry_class()) - self.forward_signal('activate') - self.forward_signal('changed') - if initial_text is not None: - self.set_text(initial_text) - - def focus(self): - self._widget.grab_focus() - - def start_editing(self, text): - self.set_text(text) - self.focus() - self._widget.emit('move-cursor', gtk.MOVEMENT_BUFFER_ENDS, 1, False) - - def set_text(self, text): - self._widget.set_text(text) - - def get_text(self): - return self._widget.get_text().decode('utf-8') - - def set_max_length(self, chars): - self._widget.set_max_length(chars) - - def set_width(self, chars): - self._widget.set_width_chars(chars) - - def set_invisible(self, setting): - self._widget.props.visibility = not setting - - def set_activates_default(self, setting): - self._widget.set_activates_default(setting) - - def baseline(self): - layout_height = pango.PIXELS(self._widget.get_layout().get_size()[1]) - ypad = (self._widget.size_request()[1] - layout_height) / 2 - pango_context = self._widget.get_pango_context() - metrics = pango_context.get_metrics(self._widget.style.font_desc) - return pango.PIXELS(metrics.get_descent()) + ypad - - -class NumberEntry(TextEntry): - def __init__(self, initial_text=None): - TextEntry.__init__(self, initial_text) - self._widget.connect('changed', self.validate) - self.previous_text = initial_text or "" - - def validate(self, entry): - text = self.get_text() - if text.isdigit() or not text: - self.previous_text = text - else: - self._widget.set_text(self.previous_text) - -class SecureTextEntry(TextEntry): - def __init__(self, initial_text=None): - TextEntry.__init__(self, initial_text) - self.set_invisible(True) - -class MultilineTextEntry(Widget): - entry_class = gtk.TextView - def __init__(self, initial_text=None, border=False): - Widget.__init__(self) - self.set_widget(self.entry_class()) - if initial_text is not None: - self.set_text(initial_text) - self._widget.set_wrap_mode(gtk.WRAP_WORD) - self._widget.set_accepts_tab(False) - self.border = border - - def focus(self): - self._widget.grab_focus() - - def set_text(self, text): - self._widget.get_buffer().set_text(text) - - def get_text(self): - buffer_ = self._widget.get_buffer() - return buffer_.get_text(*(buffer_.get_bounds())).decode('utf-8') - - def baseline(self): - # FIXME - layout_height = pango.PIXELS(self._widget.get_layout().get_size()[1]) - ypad = (self._widget.size_request()[1] - layout_height) / 2 - pango_context = self._widget.get_pango_context() - metrics = pango_context.get_metrics(self._widget.style.font_desc) - return pango.PIXELS(metrics.get_descent()) + ypad - - def set_editable(self, editable): - self._widget.set_editable(editable) - -class Checkbox(Widget, BinBaselineCalculator): - """Widget that the user can toggle on or off.""" - - def __init__(self, text=None, bold=False, color=None): - Widget.__init__(self) - BinBaselineCalculator.__init__(self) - if text is None: - text = '' - self.set_widget(gtk.CheckButton()) - self.label = Label(text, color=color) - self._widget.add(self.label._widget) - self.label._widget.show() - self.create_signal('toggled') - self.forward_signal('toggled') - if bold: - self.label.set_bold(True) - - def get_checked(self): - return self._widget.get_active() - - def set_checked(self, value): - self._widget.set_active(value) - - def set_size(self, scale_factor): - self.label.set_size(scale_factor) - - def get_text_padding(self): - """ - Returns the amount of space the checkbox takes up before the label. - """ - indicator_size = self._widget.style_get_property('indicator-size') - indicator_spacing = self._widget.style_get_property( - 'indicator-spacing') - focus_width = self._widget.style_get_property('focus-line-width') - focus_padding = self._widget.style_get_property('focus-padding') - return (indicator_size + 3 * indicator_spacing + 2 * (focus_width + - focus_padding)) - -class RadioButtonGroup(Widget, BinBaselineCalculator): - """RadioButtonGroup. - - Create the group, then create a bunch of RadioButtons passing in the group. - - NB: GTK has built-in radio button grouping functionality, and we should - be using that but we need this widget for portable code. We create - a dummy GTK radio button and make this the "root" button which gets - inherited by all buttons in this radio button group. - """ - def __init__(self): - Widget.__init__(self) - BinBaselineCalculator.__init__(self) - self.set_widget(gtk.RadioButton(label="")) - self._widget.set_active(False) - self._buttons = [] - - def add_button(self, button): - self._buttons.append(button) - - def get_buttons(self): - return self._buttons - - def get_selected(self): - for mem in self._buttons: - if mem.get_selected(): - return mem - - def set_selected(self, button): - for mem in self._buttons: - if mem is button: - mem._widget.set_active(True) - else: - mem._widget.set_active(False) - -class RadioButton(Widget, BinBaselineCalculator): - """RadioButton.""" - def __init__(self, label, group=None, color=None): - Widget.__init__(self) - BinBaselineCalculator.__init__(self) - if group: - self.group = group - else: - self.group = RadioButtonGroup() - self.set_widget(gtk.RadioButton(group=self.group._widget)) - self.label = Label(label, color=color) - self._widget.add(self.label._widget) - self.label._widget.show() - self.create_signal('clicked') - self.forward_signal('clicked') - - group.add_button(self) - - def set_size(self, size): - self.label.set_size(size) - - def get_group(self): - return self.group - - def get_selected(self): - return self._widget.get_active() - - def set_selected(self): - self.group.set_selected(self) - -class Button(Widget, BinBaselineCalculator): - def __init__(self, text, style='normal', width=None): - Widget.__init__(self) - BinBaselineCalculator.__init__(self) - # We just ignore style here, GTK users expect their own buttons. - self.set_widget(gtk.Button()) - self.create_signal('clicked') - self.forward_signal('clicked') - self.label = Label(text) - # only honor width if its bigger than the width we need to display the - # label (#18994) - if width and width > self.label.get_width(): - alignment = layout.Alignment(0.5, 0.5, 0, 0) - alignment.set_size_request(width, -1) - alignment.add(self.label) - self._widget.add(alignment._widget) - else: - self._widget.add(self.label._widget) - self.label._widget.show() - - def set_text(self, title): - self.label.set_text(title) - - def set_bold(self, bold): - self.label.set_bold(bold) - - def set_size(self, scale_factor): - self.label.set_size(scale_factor) - - def set_color(self, color): - self.label.set_color(color) - -class OptionMenu(Widget): - def __init__(self, options): - Widget.__init__(self) - self.create_signal('changed') - - self.set_widget(gtk.ComboBox(gtk.ListStore(str, str))) - self.cell = gtk.CellRendererText() - self._widget.pack_start(self.cell, True) - self._widget.add_attribute(self.cell, 'text', 0) - if options: - for option, value in options: - self._widget.get_model().append((option, value)) - self._widget.set_active(0) - self.options = options - self.wrapped_widget_connect('changed', self.on_changed) - - def baseline(self): - my_size = self._widget.size_request() - child_size = self._widget.child.size_request() - ypad = self.cell.props.ypad + (my_size[1] - child_size[1]) / 2 - - pango_context = self._widget.get_pango_context() - metrics = pango_context.get_metrics(self._widget.style.font_desc) - return pango.PIXELS(metrics.get_descent()) + ypad - - def set_bold(self, bold): - if bold: - self.cell.props.weight = pango.WEIGHT_BOLD - else: - self.cell.props.weight = pango.WEIGHT_NORMAL - - def set_size(self, size): - if size == widgetconst.SIZE_NORMAL: - self.cell.props.scale = 1 - else: - self.cell.props.scale = 0.75 - - def set_color(self, color): - self.cell.props.foreground_gdk = self.make_color(color) - - def set_selected(self, index): - self._widget.set_active(index) - - def get_selected(self): - return self._widget.get_active() - - def on_changed(self, widget): - index = widget.get_active() - self.emit('changed', index) - - def set_width(self, width): - self._widget.set_property('width-request', width) |