/b-gtk/fix-viz

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  • Committer: Jelmer Vernooij
  • Date: 2008-06-29 16:24:24 UTC
  • mto: This revision was merged to the branch mainline in revision 519.
  • Revision ID: jelmer@samba.org-20080629162424-48a6rrjmmpejfcyr
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"""GTK UI
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"""
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21
 
22
 
from gi.repository import Gtk
 
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import gtk
 
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import sys
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24
 
 
25
import bzrlib.progress
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from bzrlib.ui import UIFactory
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27
 
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28
 
27
 
def main_iteration(function):
28
 
    def with_main_iteration(self, *args, **kwargs):
29
 
        result = function(self, *args, **kwargs)
30
 
        while Gtk.events_pending():
31
 
            Gtk.main_iteration_do(False)
32
 
        return result
33
 
    return with_main_iteration
34
 
 
35
 
 
36
 
class PromptDialog(Gtk.MessageDialog):
37
 
    """Prompt the user for a yes/no answer."""
38
 
 
39
 
    def __init__(self, prompt, parent=None):
40
 
        super(PromptDialog, self).__init__(
41
 
            parent, Gtk.DialogFlags.DESTROY_WITH_PARENT,
42
 
            Gtk.MessageType.QUESTION, Gtk.ButtonsType.YES_NO, prompt)
43
 
 
44
 
 
45
 
class InfoDialog(Gtk.MessageDialog):
46
 
    """Show the user an informational message."""
47
 
 
48
 
    MESSAGE_TYPE = Gtk.MessageType.INFO
49
 
 
50
 
    def __init__(self, prompt, parent=None):
51
 
        super(InfoDialog, self).__init__(
52
 
            parent, Gtk.DialogFlags.DESTROY_WITH_PARENT,
53
 
            self.MESSAGE_TYPE, Gtk.ButtonsType.CLOSE, prompt)
54
 
 
55
 
 
56
 
class WarningDialog(InfoDialog):
57
 
    """Show the user a warning message."""
58
 
 
59
 
    MESSAGE_TYPE = Gtk.MessageType.WARNING
60
 
 
61
 
 
62
 
class ErrorDialog(InfoDialog):
63
 
    """Show the user a warning message."""
64
 
 
65
 
    MESSAGE_TYPE = Gtk.MessageType.ERROR
66
 
 
67
 
 
68
 
class GtkProgressBar(Gtk.ProgressBar):
69
 
 
70
 
    def __init__(self):
 
29
class PromptDialog(gtk.Dialog):
 
30
    """ Prompt the user for a yes/no answer. """
 
31
    def __init__(self, prompt):
 
32
        gtk.Dialog.__init__(self)
 
33
        
 
34
        label = gtk.Label(prompt)
 
35
        self.vbox.pack_start(label, padding=10)
 
36
        
 
37
        self.vbox.show_all()
 
38
 
 
39
        self.add_buttons(gtk.STOCK_YES, gtk.RESPONSE_YES, gtk.STOCK_NO, 
 
40
                         gtk.RESPONSE_NO)
 
41
 
 
42
 
 
43
class GtkProgressBar(gtk.ProgressBar):
 
44
    def __init__(self, stack):
71
45
        super(GtkProgressBar, self).__init__()
72
46
        self.set_fraction(0.0)
 
47
        self._stack = stack
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48
        self.current = None
74
49
        self.total = None
75
50
 
76
 
    @main_iteration
 
51
    def finished(self):
 
52
        self._stack.remove(self)
 
53
 
 
54
    def clear(self):
 
55
        pass
 
56
 
77
57
    def tick(self):
78
 
        self.show()
79
58
        self.pulse()
80
59
 
81
 
    @main_iteration
82
 
    def update(self, msg=None, current_cnt=None, total_cnt=None):
83
 
        self.show()
84
 
        if current_cnt is not None:
85
 
            self.current = current_cnt
86
 
        if total_cnt is not None:
87
 
            self.total = total_cnt
 
60
    def update(self, msg=None, current=None, total=None):
 
61
        if current:
 
62
            self.current = current
 
63
        if total:
 
64
            self.total = total
88
65
        if msg is not None:
89
66
            self.set_text(msg)
90
67
        if None not in (self.current, self.total):
91
 
            fraction = float(self.current) / self.total
92
 
            if fraction < 0.0 or fraction > 1.0:
93
 
                raise ValueError
94
 
            self.set_fraction(fraction)
95
 
 
96
 
    @main_iteration
97
 
    def finished(self):
98
 
        self.set_fraction(0.0)
99
 
        self.current = None
100
 
        self.total = None
101
 
        self.hide()
102
 
 
103
 
    def clear(self):
104
 
        self.finished()
105
 
 
106
 
 
107
 
class ProgressContainerMixin:
108
 
    """Expose GtkProgressBar methods to a container class."""
109
 
 
110
 
    def tick(self, *args, **kwargs):
111
 
        self.show_all()
112
 
        self.pb.tick(*args, **kwargs)
113
 
 
114
 
    def update(self, *args, **kwargs):
115
 
        self.show_all()
116
 
        self.pb.update(*args, **kwargs)
117
 
 
118
 
    def finished(self):
119
 
        self.hide()
120
 
        self.pb.finished()
121
 
 
122
 
    def clear(self):
123
 
        self.hide()
124
 
        self.pb.clear()
125
 
 
126
 
 
127
 
class ProgressBarWindow(ProgressContainerMixin, Gtk.Window):
128
 
 
 
68
            self.set_fraction(1.0 * self.current / self.total)
 
69
        while gtk.events_pending():
 
70
            gtk.main_iteration()
 
71
 
 
72
 
 
73
class GtkWindowProgressBarStack(gtk.Window):
129
74
    def __init__(self):
130
 
        super(ProgressBarWindow, self).__init__(type=Gtk.WindowType.TOPLEVEL)
 
75
        super(GtkWindowProgressBarStack, self).__init__(type=gtk.WINDOW_TOPLEVEL)
131
76
        self.set_border_width(0)
132
77
        self.set_title("Progress")
133
 
        self.set_position(Gtk.WindowPosition.CENTER_ALWAYS)
134
 
        self.pb = GtkProgressBar()
135
 
        self.add(self.pb)
136
 
        self.resize(250, 15)
 
78
        self.set_position(gtk.WIN_POS_CENTER_ALWAYS)
 
79
        self.vbox = gtk.VBox()
 
80
        self.add(self.vbox)
137
81
        self.set_resizable(False)
138
82
 
139
 
 
140
 
class ProgressPanel(ProgressContainerMixin, Gtk.Box):
141
 
 
142
 
    def __init__(self):
143
 
        super(ProgressPanel, self).__init__(Gtk.Orientation.HORIZONTAL, 5)
144
 
        image_loading = Gtk.Image.new_from_stock(Gtk.STOCK_REFRESH,
145
 
                                                 Gtk.IconSize.BUTTON)
146
 
        image_loading.show()
147
 
 
148
 
        self.pb = GtkProgressBar()
149
 
        self.set_border_width(5)
150
 
        self.pack_start(image_loading, False, False, 0)
151
 
        self.pack_start(self.pb, True, True, 0)
152
 
 
153
 
 
154
 
class PasswordDialog(Gtk.Dialog):
 
83
    def _adapt_size(self):
 
84
        self.resize(250, 15 * len(self.vbox.get_children()))
 
85
 
 
86
    def get_nested(self):
 
87
        nested = GtkProgressBar(self)
 
88
        self.vbox.pack_start(nested)
 
89
        self._adapt_size()
 
90
        self.show_all()
 
91
        return nested
 
92
 
 
93
    def remove(self, pb):
 
94
        self.vbox.remove(pb)
 
95
        if len(self.vbox.get_children()) == 0: # If there is nothing to show, don't leave a ghost window here
 
96
             self.destroy()
 
97
 
 
98
 
 
99
class PasswordDialog(gtk.Dialog):
155
100
    """ Prompt the user for a password. """
156
 
 
157
101
    def __init__(self, prompt):
158
 
        super(PasswordDialog, self).__init__()
159
 
 
160
 
        label = Gtk.Label(label=prompt)
161
 
        self.get_content_area().pack_start(label, True, True, 10)
162
 
 
163
 
        self.entry = Gtk.Entry()
 
102
        gtk.Dialog.__init__(self)
 
103
        
 
104
        label = gtk.Label(prompt)
 
105
        self.vbox.pack_start(label, padding=10)
 
106
        
 
107
        self.entry = gtk.Entry()
164
108
        self.entry.set_visibility(False)
165
 
        self.get_content_area().pack_end(self.entry, False, False, 10)
166
 
 
167
 
        self.get_content_area().show_all()
168
 
 
169
 
        self.add_buttons(Gtk.STOCK_OK, Gtk.ResponseType.OK,
170
 
                         Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL)
171
 
 
 
109
        self.vbox.pack_end(self.entry, padding=10)
 
110
        
 
111
        self.vbox.show_all()
 
112
        
 
113
        self.add_buttons(gtk.STOCK_OK, gtk.RESPONSE_OK, gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL)
 
114
    
172
115
    def _get_passwd(self):
173
116
        return self.entry.get_text()
174
117
 
178
121
class GtkUIFactory(UIFactory):
179
122
    """A UI factory for GTK user interfaces."""
180
123
 
181
 
    def __init__(self):
182
 
        """Create a GtkUIFactory"""
 
124
    def __init__(self,
 
125
                 stdout=None,
 
126
                 stderr=None):
 
127
        """Create a GtkUIFactory.
 
128
 
 
129
        """
183
130
        super(GtkUIFactory, self).__init__()
184
 
        self.set_progress_bar_widget(None)
185
 
 
186
 
    def set_progress_bar_widget(self, widget):
187
 
        self._progress_bar_widget = widget
 
131
        self._progress_bar_stack = None
188
132
 
189
133
    def get_boolean(self, prompt):
190
134
        """GtkDialog with yes/no answers"""
191
135
        dialog = PromptDialog(prompt)
192
136
        response = dialog.run()
193
137
        dialog.destroy()
194
 
        return (response == Gtk.ResponseType.YES)
195
 
 
196
 
    def show_message(self, msg):
197
 
        """See UIFactory.show_message."""
198
 
        dialog = InfoDialog(msg)
199
 
        dialog.run()
200
 
        dialog.destroy()
201
 
 
202
 
    def show_warning(self, msg):
203
 
        """See UIFactory.show_warning."""
204
 
        dialog = WarningDialog(msg)
205
 
        dialog.run()
206
 
        dialog.destroy()
207
 
 
208
 
    def show_error(self, msg):
209
 
        """See UIFactory.show_error."""
210
 
        dialog = ErrorDialog(msg)
211
 
        dialog.run()
212
 
        dialog.destroy()
213
 
 
214
 
    def show_user_warning(self, warning_id, **message_args):
215
 
        """See UIFactory.show_user_warning."""
216
 
        if warning_id not in self.suppressed_warnings:
217
 
            message = self.format_user_warning(warning_id, message_args)
218
 
            self.show_warning(message)
219
 
 
 
138
        return (response == gtk.RESPONSE_YES)
 
139
        
220
140
    def get_password(self, prompt='', **kwargs):
221
141
        """Prompt the user for a password.
222
142
 
224
144
        :param kwargs: Arguments which will be expanded into the prompt.
225
145
                       This lets front ends display different things if
226
146
                       they so choose.
227
 
        :return: The password string, return None if the user
 
147
        :return: The password string, return None if the user 
228
148
                 canceled the request.
229
149
        """
230
150
        dialog = PasswordDialog(prompt % kwargs)
231
151
        response = dialog.run()
232
152
        passwd = dialog.passwd
233
153
        dialog.destroy()
234
 
        if response == Gtk.ResponseType.OK:
 
154
        if response == gtk.RESPONSE_OK:
235
155
            return passwd
236
156
        else:
237
157
            return None
238
158
 
239
 
    def _progress_all_finished(self):
240
 
        """See UIFactory._progress_all_finished."""
241
 
        pbw = self._progress_bar_widget
242
 
        if pbw:
243
 
            pbw.finished()
244
 
 
245
 
    def _ensure_progress_widget(self):
246
 
        if self._progress_bar_widget is None:
247
 
            # Default to a window since nobody gave us a better means to report
248
 
            # progress.
249
 
            self.set_progress_bar_widget(ProgressBarWindow())
250
 
 
251
 
    def _progress_updated(self, task):
252
 
        """See UIFactory._progress_updated."""
253
 
        self._ensure_progress_widget()
254
 
        self._progress_bar_widget.update(task.msg,
255
 
                                         task.current_cnt, task.total_cnt)
256
 
 
257
 
    def report_transport_activity(self, transport, byte_count, direction):
258
 
        """See UIFactory.report_transport_activity."""
259
 
        self._ensure_progress_widget()
260
 
        self._progress_bar_widget.tick()
 
159
    def nested_progress_bar(self):
 
160
        """Return a nested progress bar.
 
161
        """
 
162
        if self._progress_bar_stack is None:
 
163
            self._progress_bar_stack = GtkWindowProgressBarStack()
 
164
        return self._progress_bar_stack.get_nested()
 
165
 
 
166
    def set_progress_bar_vbox(self, vbox):
 
167
        """Change the vbox to put progress bars in.
 
168
        """
 
169
        self._progress_bar_stack = vbox
 
170
 
 
171
    def clear_term(self):
 
172
        """Prepare the terminal for output.
 
173
 
 
174
        It has no sense when talking about GTK."""
 
175
        pass