summaryrefslogtreecommitdiffstats
path: root/akregator/src/viewer.cpp
blob: 8555d5096f8eb63b86c6a8cfed39c98bb99c43b7 (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
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
/*
    This file is part of Akregator.

    Copyright (C) 2004 Teemu Rytilahti <tpr@d5k.net>
                  2005 Frank Osterfeld <frank.osterfeld at kdemail.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

    As a special exception, permission is given to link this program
    with any edition of TQt, and distribute the resulting executable,
    without including the source code for TQt in the source distribution.
*/

#include <kaction.h>
#include <kapplication.h>
#include <kfiledialog.h>
#include <khtmlview.h>
#include <kiconloader.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kpopupmenu.h>
#include <kprocess.h>
#include <krun.h>
#include <kshell.h>
#include <kurl.h>
#include <kparts/browserextension.h>

#include <tqaccel.h>
#include <tqclipboard.h>
#include <tqpaintdevicemetrics.h>

#include "viewer.h"
#include "akregator_run.h"
#include "akregatorconfig.h"

namespace Akregator {

Viewer::Viewer(TQWidget *parent, const char *name)
    : KHTMLPart(parent, name), m_url(0)
{
    setZoomFactor(100);
    setMetaRefreshEnabled(true);
    setDNDEnabled(true);
    setAutoloadImages(true);
    setStatusMessagesEnabled(true);

    // change the cursor when loading stuff...
    connect( this, TQT_SIGNAL(started(KIO::Job *)),
             this, TQT_SLOT(slotStarted(KIO::Job *)));
    connect( this, TQT_SIGNAL(completed()),
             this, TQT_SLOT(slotCompleted()));

    connect( browserExtension(), TQT_SIGNAL(popupMenu (KXMLGUIClient*, const TQPoint&, const KURL&, const KParts::URLArgs&, KParts::BrowserExtension::PopupFlags, mode_t)), this, TQT_SLOT(slotPopupMenu(KXMLGUIClient*, const TQPoint&, const KURL&, const KParts::URLArgs&, KParts::BrowserExtension::PopupFlags, mode_t)));

    KStdAction::print(this, TQT_SLOT(slotPrint()), actionCollection(), "viewer_print");
    KStdAction::copy(this, TQT_SLOT(slotCopy()), actionCollection(), "viewer_copy");
    
    new KAction( i18n("&Increase Font Sizes"), "viewmag+", "Ctrl+Plus", this, TQT_SLOT(slotZoomIn()), actionCollection(), "incFontSizes" );
    new KAction( i18n("&Decrease Font Sizes"), "viewmag-", "Ctrl+Minus", this, TQT_SLOT(slotZoomOut()), actionCollection(), "decFontSizes" );

    connect(this, TQT_SIGNAL(selectionChanged()), this, TQT_SLOT(slotSelectionChanged()));

    connect( browserExtension(), TQT_SIGNAL(openURLRequestDelayed(const KURL&, const KParts::URLArgs&)), this, TQT_SLOT(slotOpenURLRequest(const KURL&, const KParts::URLArgs& )) );

    new KAction(i18n("Copy &Link Address"), "", 0,
                                 this, TQT_SLOT(slotCopyLinkAddress()),
                                 actionCollection(), "copylinkaddress");
    new KAction(i18n("&Save Link As..."), "", 0,
                                 this, TQT_SLOT(slotSaveLinkAs()),
                                 actionCollection(), "savelinkas");
}

Viewer::~Viewer()
{}

bool Viewer::closeURL()
{
    emit browserExtension()->loadingProgress(-1);
    emit canceled(TQString());
    return KHTMLPart::closeURL();
}

int Viewer::pointsToPixel(int pointSize) const
{
    const TQPaintDeviceMetrics metrics(view());
    return ( pointSize * metrics.logicalDpiY() + 36 ) / 72 ;
}

void Viewer::displayInExternalBrowser(const KURL &url, const TQString &mimetype)
{
   if (!url.isValid()) return;
   if (Settings::externalBrowserUseTdeDefault())
   {
       if (mimetype.isEmpty()) 
           kapp->invokeBrowser(url.url(), "0");
       else
           KRun::runURL(url, mimetype, false, false);
   }
   else
   {
       TQString cmd = Settings::externalBrowserCustomCommand();
       TQString urlStr = url.url();
       cmd.replace(TQRegExp("%u"), urlStr);
       KProcess *proc = new KProcess;
       TQStringList cmdAndArgs = KShell::splitArgs(cmd);
       *proc << cmdAndArgs;
       proc->start(KProcess::DontCare);
       delete proc;
   }
}

void Viewer::slotOpenURLRequest(const KURL& /*url*/, const KParts::URLArgs& /*args*/)
{

}

void Viewer::urlSelected(const TQString &url, int button, int state, const TQString &_target, KParts::URLArgs args)
{
    m_url = completeURL(url);
    browserExtension()->setURLArgs(args);
    if (button == Qt::LeftButton)
    {
        switch (Settings::lMBBehaviour())
        {
            case Settings::EnumLMBBehaviour::OpenInExternalBrowser:
                slotOpenLinkInBrowser();
                break;
            case Settings::EnumLMBBehaviour::OpenInBackground:
                slotOpenLinkInBackgroundTab();
                break;
            default:
                slotOpenLinkInForegroundTab();
                break;
        }
        return;
    }
    else if (button == Qt::MidButton)
    {
        switch (Settings::mMBBehaviour())
        {
            case Settings::EnumMMBBehaviour::OpenInExternalBrowser:
                slotOpenLinkInBrowser();
                break;
            case Settings::EnumMMBBehaviour::OpenInBackground:
                slotOpenLinkInBackgroundTab();
                break;
            default:
                slotOpenLinkInForegroundTab();
                break;
        }
        return;
    }
    KHTMLPart::urlSelected(url,button,state,_target,args);
}

void Viewer::slotPopupMenu(KXMLGUIClient*, const TQPoint& p, const KURL& kurl, const KParts::URLArgs&, KParts::BrowserExtension::PopupFlags kpf, mode_t)
{
   const bool isLink = (kpf & (KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowTextSelectionItems)) == 0;
   const bool isSelection = (kpf & KParts::BrowserExtension::ShowTextSelectionItems) != 0;
    
   TQString url = kurl.url();
   
   m_url = url;
   KPopupMenu popup;
   
   if (isLink && !isSelection)
   {
        popup.insertItem(SmallIcon("tab_new"), i18n("Open Link in New &Tab"), this, TQT_SLOT(slotOpenLinkInForegroundTab()));
        popup.insertItem(SmallIcon("window_new"), i18n("Open Link in External &Browser"), this, TQT_SLOT(slotOpenLinkInBrowser()));
        popup.insertSeparator();
        action("savelinkas")->plug(&popup);
        action("copylinkaddress")->plug(&popup);
   }
   else
   {
       if (isSelection)
       {
            action("viewer_copy")->plug(&popup);
            popup.insertSeparator();
       }
       action("viewer_print")->plug(&popup);
       //KAction *ac = action("setEncoding");
       //if (ac)
       //     ac->plug(&popup);
   }
   popup.exec(p);
}

// taken from KDevelop
void Viewer::slotCopy()
{
    TQString text = selectedText();
    text.replace( TQChar( 0xa0 ), ' ' );
    TQClipboard *cb = TQApplication::clipboard();
    disconnect( cb, TQT_SIGNAL( selectionChanged() ), this, TQT_SLOT( slotClearSelection() ) );
    cb->setText(text);
    connect( cb, TQT_SIGNAL( selectionChanged() ), this, TQT_SLOT( slotClearSelection() ) );
}

void Viewer::slotCopyLinkAddress()
{
   if(m_url.isEmpty()) return;
   TQClipboard *cb = TQApplication::clipboard();
   cb->setText(m_url.prettyURL(), TQClipboard::Clipboard);
   cb->setText(m_url.prettyURL(), TQClipboard::Selection);
}

void Viewer::slotSelectionChanged()
{
    action("viewer_copy")->setEnabled(!selectedText().isEmpty());
}

void Viewer::slotOpenLinkInternal()
{
   openURL(m_url);
}

void Viewer::slotOpenLinkInForegroundTab()
{
    emit urlClicked(m_url, this, true, false);
}

void Viewer::slotOpenLinkInBackgroundTab()
{
    emit urlClicked(m_url, this, true, true);
}

void Viewer::slotOpenLinkInThisTab()
{
    emit urlClicked(m_url, this, false, false);
}

void Viewer::slotOpenLinkInBrowser()
{
    displayInExternalBrowser(m_url, TQString());
}

void Viewer::slotSaveLinkAs()
{
    KURL tmp( m_url );

    if ( tmp.fileName(false).isEmpty() )
        tmp.setFileName( "index.html" );
    KParts::BrowserRun::simpleSave(tmp, tmp.fileName());
}

void Viewer::slotStarted(KIO::Job *)
{
   widget()->setCursor( waitCursor );
}

void Viewer::slotCompleted()
{
   widget()->unsetCursor();
}

void Viewer::slotScrollUp()
{
    view()->scrollBy(0,-10);
}

void Viewer::slotScrollDown()
{
    view()->scrollBy(0,10);
}

void Viewer::slotZoomIn()
{
    int zf = zoomFactor();
    if (zf < 100)
    {
        zf = zf - (zf % 20) + 20;
        setZoomFactor(zf);
    }
    else
    {
        zf = zf - (zf % 50) + 50;
        setZoomFactor(zf < 300 ? zf : 300);
    }
}

void Viewer::slotZoomOut()
{
    int zf = zoomFactor();
    if (zf <= 100)
    {
        zf = zf - (zf % 20) - 20;
        setZoomFactor(zf > 20 ? zf : 20);
    }
    else
    {
        zf = zf - (zf % 50) - 50;
        setZoomFactor(zf);
    }
}

void Viewer::slotSetZoomFactor(int percent)
{
    setZoomFactor(percent);
}

// some code taken from KDevelop (lib/widgets/kdevhtmlpart.cpp)
void Viewer::slotPrint( )
{
    view()->print();
}


void Viewer::setSafeMode()
{
    //setJScriptEnabled(false);
    setJavaEnabled(false);
    setMetaRefreshEnabled(false);
    setPluginsEnabled(false);
    setDNDEnabled(true);
    setAutoloadImages(true);
    setStatusMessagesEnabled(false);
}

} // namespace Akregator

#include "viewer.moc"

// vim: set et ts=4 sts=4 sw=4: