summaryrefslogtreecommitdiff
path: root/plugins/externaltools/tools/outputpanel.py
blob: 9613d78cf67dfc6e7ab5298e675e14565177b2df (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
# -*- coding: utf-8 -*-
#    Pluma External Tools plugin
#    Copyright (C) 2005-2006  Steve Frécinaux <steve@istique.net>
#    Copyright (C) 2010  Per Arneng <per.arneng@anyplanet.com>
#
#    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

__all__ = ('OutputPanel', 'UniqueById')

import os
from weakref import WeakKeyDictionary
from capture import *
import re
import linkparsing
import filelookup
from gi.repository import GLib, Gdk, Gtk, Pango, Pluma

class UniqueById:
    __shared_state = WeakKeyDictionary()

    def __init__(self, i):
        if i in self.__class__.__shared_state:
            self.__dict__ = self.__class__.__shared_state[i]
            return True
        else:
            self.__class__.__shared_state[i] = self.__dict__
            return False

    def states(self):
        return self.__class__.__shared_state

class OutputPanel(UniqueById):
    def __init__(self, datadir, window):
        if UniqueById.__init__(self, window):
            return

        callbacks = {
            'on_stop_clicked' : self.on_stop_clicked,
            'on_view_visibility_notify_event': self.on_view_visibility_notify_event,
            'on_view_motion_notify_event': self.on_view_motion_notify_event,
            'on_view_button_press_event': self.on_view_button_press_event
        }

        self.window = window
        self.ui = Gtk.Builder()
        self.ui.add_from_file(os.path.join(datadir, 'ui', 'outputpanel.ui'))
        self.ui.connect_signals(callbacks)

        self.panel = self["output-panel"]
        self['view'].override_font(Pango.font_description_from_string('Monospace'))

        buffer = self['view'].get_buffer()

        self.normal_tag = buffer.create_tag('normal')

        self.error_tag = buffer.create_tag('error')
        self.error_tag.set_property('foreground', 'red')

        self.italic_tag = buffer.create_tag('italic')
        self.italic_tag.set_property('style', Pango.Style.OBLIQUE)

        self.bold_tag = buffer.create_tag('bold')
        self.bold_tag.set_property('weight', Pango.Weight.BOLD)

        self.invalid_link_tag = buffer.create_tag('invalid_link')

        self.link_tag = buffer.create_tag('link')
        self.link_tag.set_property('underline', Pango.Underline.SINGLE)

        self.link_cursor = Gdk.Cursor.new(Gdk.CursorType.HAND2)
        self.normal_cursor = Gdk.Cursor.new(Gdk.CursorType.XTERM)

        self.process = None

        self.links = []

        self.link_parser = linkparsing.LinkParser()
        self.file_lookup = filelookup.FileLookup()

    def set_process(self, process):
        self.process = process

    def __getitem__(self, key):
        # Convenience function to get an object from its name
        return self.ui.get_object(key)

    def on_stop_clicked(self, widget, *args):
        if self.process is not None:
            self.write("\n" + _('Stopped.') + "\n",
                       self.italic_tag)
            self.process.stop(-1)

    def scroll_to_end(self):
        iter = self['view'].get_buffer().get_end_iter()
        self['view'].scroll_to_iter(iter, 0.0, False, 0.5, 0.5)
        return False  # don't requeue this handler

    def clear(self):
        self['view'].get_buffer().set_text("")
        self.links = []

    def visible(self):
        panel = self.window.get_bottom_panel()
        return panel.props.visible and panel.item_is_active(self.panel)

    def write(self, text, tag = None):
        buffer = self['view'].get_buffer()

        end_iter = buffer.get_end_iter()
        insert = buffer.create_mark(None, end_iter, True)

        if tag is None:
            buffer.insert(end_iter, text)
        else:
            buffer.insert_with_tags(end_iter, text, tag)

        # find all links and apply the appropriate tag for them
        links = self.link_parser.parse(text)
        for lnk in links:
            
            insert_iter = buffer.get_iter_at_mark(insert)
            lnk.start = insert_iter.get_offset() + lnk.start
            lnk.end = insert_iter.get_offset() + lnk.end
            
            start_iter = buffer.get_iter_at_offset(lnk.start)
            end_iter = buffer.get_iter_at_offset(lnk.end)

            tag = None

            # if the link points to an existing file then it is a valid link
            if self.file_lookup.lookup(lnk.path) is not None:
                self.links.append(lnk)
                tag = self.link_tag
            else:
                tag = self.invalid_link_tag

            buffer.apply_tag(tag, start_iter, end_iter)

        buffer.delete_mark(insert)
        GLib.idle_add(self.scroll_to_end)

    def show(self):
        panel = self.window.get_bottom_panel()
        panel.show()
        panel.activate_item(self.panel)

    def update_cursor_style(self, view, x, y):       
        if self.get_link_at_location(view, x, y) is not None:
            cursor = self.link_cursor
        else:
            cursor = self.normal_cursor

        view.get_window(Gtk.TextWindowType.TEXT).set_cursor(cursor)

    def on_view_motion_notify_event(self, view, event):
        if event.window == view.get_window(Gtk.TextWindowType.TEXT):
            self.update_cursor_style(view, int(event.x), int(event.y))

        return False

    def on_view_visibility_notify_event(self, view, event):
        if event.window == view.get_window(Gtk.TextWindowType.TEXT):
            x, y, m = event.window.get_pointer()
            self.update_cursor_style(view, x, y)

        return False

    def idle_grab_focus(self):
        self.window.get_active_view().grab_focus()
        return False

    def get_link_at_location(self, view, x, y):
        """
        Get the link under a specified x,y coordinate. If no link exists then
        None is returned.
        """

        # get the offset within the buffer from the x,y coordinates
        buff_x, buff_y = view.window_to_buffer_coords(Gtk.TextWindowType.TEXT,
                                                        x, y)
        # usual API breakage in GTK+3, nothing new...
        # see https://bugzilla.gnome.org/768793
        if Gtk.get_minor_version() >= 20:
            (over_text, iter_at_xy) = view.get_iter_at_location(buff_x, buff_y)
            if not over_text:
                return None
        else:
            iter_at_xy = view.get_iter_at_location(buff_x, buff_y)

        offset = iter_at_xy.get_offset()

        # find the first link that contains the offset
        for lnk in self.links:
            if offset >= lnk.start and offset <= lnk.end:
                return lnk

        # no link was found at x,y
        return None

    def on_view_button_press_event(self, view, event):
        if event.button != 1 or event.type != Gdk.EventType.BUTTON_PRESS or \
           event.window != view.get_window(Gtk.TextWindowType.TEXT):
            return False

        link = self.get_link_at_location(view, int(event.x), int(event.y))
        if link is None:
            return False

        gfile = self.file_lookup.lookup(link.path)

        if gfile:
            Pluma.commands.load_uri(self.window, gfile.get_uri(), None,
                                    link.line_nr)
            GLib.idle_add(self.idle_grab_focus)

# ex:ts=4:et: