Add custom dialog to select system fonts on Windows (#491).

1 files changed, 102 insertions, 0 deletions

diff --git a/src/wx/system_font_dialog.cc b/src/wx/system_font_dialog.cc
new file mode 100644
index 000000000..62fd04660
--- /dev/null
+++ b/src/wx/system_font_dialog.cc
@@ -0,0 +1,102 @@
+/*
+    Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
+
+    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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "system_font_dialog.h"
+#include "wx_util.h"
+#include <wx/listctrl.h>
+#include <boost/filesystem.hpp>
+#include <boost/foreach.hpp>
+
+using std::cout;
+using std::string;
+using boost::optional;
+
+SystemFontDialog::SystemFontDialog (wxWindow* parent)
+	: wxDialog (parent, wxID_ANY, _("Choose a font"))
+{
+	wxSizer* sizer = new wxBoxSizer (wxVERTICAL);
+
+	boost::filesystem::path fonts = "c:\\Windows\\Fonts";
+	char* windir = getenv ("windir");
+	if (windir) {
+		fonts = boost::filesystem::path (windir) / "Fonts";
+	}
+
+	for (
+		boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (fonts);
+		i != boost::filesystem::directory_iterator ();
+		++i
+		) {
+
+		string ext = i->path().extension().string ();
+		transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
+
+		if (ext == ".ttf") {
+			_fonts.push_back (i->path());
+		}
+	}
+
+	sort (_fonts.begin (), _fonts.end ());
+
+	_list = new wxListCtrl (this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_NO_HEADER);
+	_list->InsertColumn (0, wxT (""));
+	_list->SetColumnWidth (0, 512);
+	sizer->Add (_list, 0, wxALL, DCPOMATIC_SIZER_X_GAP);
+
+	int n = 0;
+	BOOST_FOREACH (boost::filesystem::path i, _fonts) {
+		_list->InsertItem (n++, std_to_wx (i.leaf().stem().string ()));
+	}
+
+	wxSizer* buttons = CreateSeparatedButtonSizer (wxOK | wxCANCEL);
+	if (buttons) {
+		sizer->Add (buttons, wxSizerFlags().Expand().DoubleBorder());
+	}
+
+	SetSizerAndFit (sizer);
+
+	_list->Bind (wxEVT_COMMAND_LIST_ITEM_SELECTED, boost::bind (&SystemFontDialog::setup_sensitivity, this));
+	_list->Bind (wxEVT_COMMAND_LIST_ITEM_DESELECTED, boost::bind (&SystemFontDialog::setup_sensitivity, this));
+
+	setup_sensitivity ();
+}
+
+optional<boost::filesystem::path>
+SystemFontDialog::get_font () const
+{
+	int const s = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
+	if (s == -1) {
+		return optional<boost::filesystem::path> ();
+	}
+
+	if (s < int (_fonts.size ())) {
+		return _fonts[s];
+	}
+
+	return optional<boost::filesystem::path> ();
+}
+
+void
+SystemFontDialog::setup_sensitivity ()
+{
+	wxButton* ok = dynamic_cast<wxButton *> (FindWindowById (wxID_OK, this));
+	if (ok) {
+		ok->Enable (_list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED) != -1);
+	}
+}