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
|
// SPDX-License-Identifier: GPL-2.0-or-later
/** @file
* Box widget for extensions
*//*
* Authors:
* Patrick Storz <eduard.braun2@gmx.de>
*
* Copyright (C) 2019 Authors
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "widget-box.h"
#include <gtkmm/box.h>
#include "xml/node.h"
#include "extension/extension.h"
namespace Inkscape {
namespace Extension {
WidgetBox::WidgetBox(Inkscape::XML::Node *xml, Inkscape::Extension::Extension *ext)
: InxWidget(xml, ext)
{
// Decide orientation based on tagname (hbox vs. vbox)
const char *tagname = xml->name();
if (!strncmp(tagname, INKSCAPE_EXTENSION_NS_NC, strlen(INKSCAPE_EXTENSION_NS_NC))) {
tagname += strlen(INKSCAPE_EXTENSION_NS);
}
if (!strcmp(tagname, "hbox")) {
_orientation = HORIZONTAL;
} else if (!strcmp(tagname, "vbox")) {
_orientation = VERTICAL;
} else {
g_assert_not_reached();
}
// Read XML tree of box and parse child widgets
if (xml) {
Inkscape::XML::Node *child_repr = xml->firstChild();
while (child_repr) {
const char *chname = child_repr->name();
if (!strncmp(chname, INKSCAPE_EXTENSION_NS_NC, strlen(INKSCAPE_EXTENSION_NS_NC))) {
chname += strlen(INKSCAPE_EXTENSION_NS);
}
if (chname[0] == '_') { // allow leading underscore in tag names for backwards-compatibility
chname++;
}
if (InxWidget::is_valid_widget_name(chname)) {
InxWidget *widget = InxWidget::make(child_repr, _extension);
if (widget) {
_children.push_back(widget);
}
} else if (child_repr->type() == XML::NodeType::ELEMENT_NODE) {
g_warning("Invalid child element ('%s') in box widget in extension '%s'.",
chname, _extension->get_id());
} else if (child_repr->type() != XML::NodeType::COMMENT_NODE){
g_warning("Invalid child element found in box widget in extension '%s'.", _extension->get_id());
}
child_repr = child_repr->next();
}
}
}
Gtk::Widget *WidgetBox::get_widget(sigc::signal<void> *changeSignal)
{
if (_hidden) {
return nullptr;
}
Gtk::Orientation orientation;
if (_orientation == HORIZONTAL) {
orientation = Gtk::ORIENTATION_HORIZONTAL;
} else {
orientation = Gtk::ORIENTATION_VERTICAL;
}
Gtk::Box *box = Gtk::manage(new Gtk::Box(orientation));
// box->set_border_width(GUI_BOX_MARGIN); // leave at zero for now, so box is purely for layouting (not grouping)
// revisit this later, possibly implementing GtkFrame or similar
box->set_spacing(GUI_BOX_SPACING);
if (_orientation == HORIZONTAL) {
box->set_vexpand(false);
} else {
box->set_hexpand(false);
}
// add child widgets onto page (if any)
for (auto child : _children) {
Gtk::Widget *child_widget = child->get_widget(changeSignal);
if (child_widget) {
int indent = child->get_indent();
child_widget->set_margin_start(indent * GUI_INDENTATION);
box->pack_start(*child_widget, false, true, 0); // fill=true does not have an effect here, but allows the
// child to choose to expand by setting hexpand/vexpand
const char *tooltip = child->get_tooltip();
if (tooltip) {
child_widget->set_tooltip_text(tooltip);
}
}
}
box->show();
return dynamic_cast<Gtk::Widget *>(box);
}
} /* namespace Extension */
} /* namespace Inkscape */
|
