File: gogcpapp.cc

package info (click to toggle)
gnome-chemistry-utils 0.14.9-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 17,836 kB
  • ctags: 7,337
  • sloc: cpp: 72,977; sh: 11,381; xml: 6,304; makefile: 1,663; ansic: 1,061
file content (185 lines) | stat: -rw-r--r-- 5,119 bytes parent folder | download | duplicates (4)
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
/*
 * Gnome Chemistry Utils GOffice component
 * gogcpapp.cc
 *
 * Copyright (C) 2005-2008 Jean Bréfort <jean.brefort@normalesup.org>
 *
 * 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 3 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
 */

#include "config.h"
#include "gchemutils-priv.h"
#include "gogcpapp.h"
#include "gogcpwin.h"
#include <gcp/document.h>
#include <gcp/theme.h>
#include <gcp/view.h>
#include <gcp/widgetdata.h>
#include <glib/gi18n-lib.h>
#include <cstring>

using namespace gcu;
using namespace std;

GOGcpApplication::GOGcpApplication (): gcp::Application (), GOGcuApplication ()
{
}

GOGcpApplication::~GOGcpApplication ()
{
}

GtkWindow* GOGcpApplication::GetWindow()
{
	return NULL;
}

void GOGcpApplication::ToggleMenu (G_GNUC_UNUSED const string& menuname, G_GNUC_UNUSED bool active)
{
}

void GOGcpApplication::ImportDocument (GOGChemUtilsComponent *gogcu)
{
	gcp::Document *pDoc = NULL;
	GOComponent *component = GO_COMPONENT (gogcu);
	if (!strcmp (component->mime_type, "application/x-gchempaint")) {
		xmlDocPtr xml;
		if (!(xml = xmlParseMemory (component->data, component->length)) ||
			xml->children == NULL ||
			strcmp(reinterpret_cast <char const *> (xml->children->name), "chemistry")) {
			xmlFreeDoc (xml);
			return;
		}
		pDoc = new gcp::Document (this, false);
		pDoc->GetView ()->CreateNewWidget ();
		bool result = pDoc->Load (xml->children);
		xmlFreeDoc (xml);
		if (!result) {
			delete pDoc;
			return;
		}
	} else {
	}
	gogcu->document = pDoc;
}

GtkWindow * GOGcpApplication::EditDocument (GOGChemUtilsComponent *gogcu)
{
	GOGcpWindow *win = NULL;
	try {
		win = new GOGcpWindow (this, gogcu);
		if (!win)
			return NULL;
		win->Show ();	// ensure the window is visible
		return win->GetWindow ();
	}
	catch (int i) {
		if (win)
			delete win;
		return NULL;
	}
}

bool GOGcpApplication::GetData (GOGChemUtilsComponent *gogcu, gpointer *data, int *length, void (**clearfunc) (gpointer), G_GNUC_UNUSED gpointer *user_data)
{
	gcp::Document *doc = static_cast <gcp::Document *> (gogcu->document);
	bool result = false;
	xmlDocPtr xml = NULL;
	char *old_num_locale, *old_time_locale;

	if (!doc || !doc->HasChildren ()) {
		*data = NULL;
		*length = 0;
		* clearfunc = NULL;
		return true;
	}

	old_num_locale = g_strdup (setlocale (LC_NUMERIC, NULL));
	setlocale(LC_NUMERIC, "C");
	old_time_locale = g_strdup (setlocale (LC_TIME, NULL));
	setlocale (LC_TIME, "C");

	try {
		xml = doc->BuildXMLTree ();
		xmlChar *mem;
		int size;
		xmlDocDumpMemory (xml, &mem, &size);
		xmlFreeDoc (xml);
		*data = mem;
		*length = size;
		*clearfunc = xmlFree;
		result = true;
	}
	catch (int) {
		if (xml)
			xmlFreeDoc (xml);
		xml = NULL;
		result = false;
	}
	setlocale (LC_NUMERIC, old_num_locale);
	g_free (old_num_locale);
	setlocale (LC_TIME, old_time_locale);
	g_free (old_time_locale);

	return result;
}

void GOGcpApplication::Render (GOGChemUtilsComponent *gogcu, cairo_t *cr, double width, double height)
{
	double zoom = MAX (width / gogcu->parent.width, height / gogcu->parent.height) / 96.;
	cairo_save (cr);
	cairo_scale (cr, zoom, zoom);
	gcp::Document *doc = static_cast <gcp::Document *> (gogcu->document);
	doc->GetView ()->Render (cr);
	cairo_restore (cr);
}

void GOGcpApplication::UpdateBounds (GOGChemUtilsComponent *gogcu)
{
	gcp::Document *doc = static_cast <gcp::Document *> (gogcu->document);
	gcp::Theme *pTheme = doc->GetTheme ();
	GtkWidget *w = doc->GetWidget ();
	gccv::Rect rect;
	gcp::WidgetData *pData = (gcp::WidgetData*) g_object_get_data (G_OBJECT (w), "data");
	pData->GetObjectBounds (doc, &rect);
	if (rect.x0 || rect.y0)
		doc->Move (- rect.x0 / pTheme->GetZoomFactor (), - rect.y0 / pTheme->GetZoomFactor ());
	doc->GetView ()->Update (doc);
	double y = doc->GetYAlign ();
	y += doc->GetView ()->GetBaseLineOffset ();
	y *= pTheme->GetZoomFactor ();
	if (y < rect.y0)
		y = rect.y1;
	// assuming 96 dpi, setting dimensions as inches.
	gogcu->parent.ascent = (y - rect.y0) / 96;
	gogcu->parent.descent = (rect.y1 - y) / 96;
	gogcu->parent.width = (rect.x1 - rect.x0) / 96;
	gogcu->parent.height = gogcu->parent.ascent + gogcu->parent.descent;
}

void GOGcpApplication::OnFileNew (char const *Theme)
{
	gchar tmp[32];
	if (m_pActiveDoc && !m_pActiveDoc->GetView ()->PrepareUnselect ())
		return;
	g_snprintf (tmp, sizeof (tmp), _("Untitled %d"), m_NumWindow++);
	gcp::Window *win = new gcp::Window (this, Theme);
	win->GetDocument ()->SetUseAtomColors (GetUseAtomColors ());
}

void GOGcpApplication::OnFileClose ()
{
}