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F1 context-enhanced help

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dockes 2009-01-28 17:05:07 +00:00
parent 9f2d0ea83a
commit 39ceaab207
2 changed files with 121 additions and 0 deletions
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81
src/qtgui/rclhelp.cpp Normal file
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#ifndef lint
static char rcsid[] = "@(#$Id: rclmain_w.cpp,v 1.57 2008-10-13 07:57:12 dockes Exp $ (C) 2005 J.F.Dockes";
#endif
/*
* 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.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "autoconfig.h"
#include <time.h>
#include <qevent.h>
#include <qwidget.h>
#if (QT_VERSION < 0x040000)
#define Q34EVOVERRIDE QEvent::AccelOverride
#else
#define Q34EVOVERRIDE QEvent::ShortcutOverride
#endif
#include "recoll.h"
#include "rclhelp.h"
#include "debuglog.h"
map<string, string> HelpClient::helpmap;
void HelpClient::installMap(string wname, string section)
{
helpmap[wname] = section;
}
HelpClient::HelpClient(QObject *parent, const char *name)
: QObject(parent, name)
{
parent->installEventFilter(this);
}
bool HelpClient::eventFilter(QObject *obj, QEvent *event)
{
static time_t last_start;
if (event->type() == QEvent::KeyPress || event->type() == Q34EVOVERRIDE) {
// LOGDEB(("HelpClient::eventFilter: %d\n", (int)event->type()));
QKeyEvent *ke = static_cast<QKeyEvent *>(event);
if (ke->key() == Qt::Key_F1 || ke->key() == Qt::Key_Help) {
if (obj->isWidgetType()) {
QWidget *widget = static_cast<QWidget *>(obj)->focusWidget();
map<string, string>::iterator it = helpmap.end();
while (widget) {
it = helpmap.find(widget->name());
if (it != helpmap.end())
break;
widget = widget->parentWidget();
}
if (time(0) - last_start > 5) {
last_start = time(0);
if (it != helpmap.end()) {
LOGDEB(("HelpClient::eventFilter: %s->%s\n",
it->first.c_str(), it->second.c_str()));
startManual(it->second);
} else {
LOGDEB(("HelpClient::eventFilter: no help section\n"));
startManual("");
}
}
}
return true;
}
}
return false;
}

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src/qtgui/rclhelp.h Normal file
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/*
* 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.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef RCLHELP_H
#define RCLHELP_H
#include <qobject.h>
#include <string>
#include <map>
using std::map;
using std::string;
class HelpClient : public QObject
{
Q_OBJECT
public:
HelpClient(QObject *parent, const char *name = 0);
// Install mapping from widget name to manual section
static void installMap(string wname, string section);
protected:
bool eventFilter(QObject *obj, QEvent *event);
static map<string, string> helpmap;
};
#endif // RCLHELP_H