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|
/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* Copyright 2011-2014 Pierre Ossman for Cendio AB
*
* This 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 software 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 software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <rfb/CMsgWriter.h>
#include <rfb/LogWriter.h>
// FLTK can pull in the X11 headers on some systems
#ifndef XK_VoidSymbol
#define XK_MISCELLANY
#define XK_XKB_KEYS
#include <rfb/keysymdef.h>
#endif
#ifndef XF86XK_ModeLock
#include <rfb/XF86keysym.h>
#endif
#include "Viewport.h"
#include "CConn.h"
#include "OptionsDialog.h"
#include "DesktopWindow.h"
#include "i18n.h"
#include "fltk_layout.h"
#include "parameters.h"
#include "keysym2ucs.h"
#include "menukey.h"
#include "vncviewer.h"
#include "PlatformPixelBuffer.h"
#include "FLTKPixelBuffer.h"
#if defined(WIN32)
#include "Win32PixelBuffer.h"
#elif defined(__APPLE__)
#include "OSXPixelBuffer.h"
#else
#include "X11PixelBuffer.h"
#endif
#include <FL/fl_draw.H>
#include <FL/fl_ask.H>
#include <FL/Fl_Menu.H>
#include <FL/Fl_Menu_Button.H>
#ifdef WIN32
#include "win32.h"
#endif
using namespace rfb;
using namespace rdr;
static rfb::LogWriter vlog("Viewport");
// Menu constants
enum { ID_EXIT, ID_FULLSCREEN, ID_RESIZE,
ID_CTRL, ID_ALT, ID_MENUKEY, ID_CTRLALTDEL,
ID_REFRESH, ID_OPTIONS, ID_INFO, ID_ABOUT, ID_DISMISS };
Viewport::Viewport(int w, int h, const rfb::PixelFormat& serverPF, CConn* cc_)
: Fl_Widget(0, 0, w, h), cc(cc_), frameBuffer(NULL),
lastPointerPos(0, 0), lastButtonMask(0),
cursor(NULL), menuCtrlKey(false), menuAltKey(false)
{
// FLTK STR #2599 must be fixed for proper dead keys support
#ifdef HAVE_FLTK_DEAD_KEYS
set_simple_keyboard();
#endif
// FLTK STR #2636 gives us the ability to monitor clipboard changes
#ifdef HAVE_FLTK_CLIPBOARD
Fl::add_clipboard_notify(handleClipboardChange, this);
#endif
frameBuffer = createFramebuffer(w, h);
assert(frameBuffer);
contextMenu = new Fl_Menu_Button(0, 0, 0, 0);
// Setting box type to FL_NO_BOX prevents it from trying to draw the
// button component (which we don't want)
contextMenu->box(FL_NO_BOX);
// The (invisible) button associated with this widget can mess with
// things like Fl_Scroll so we need to get rid of any parents.
// Unfortunately that's not possible because of STR #2654, but
// reparenting to the current window works for most cases.
window()->add(contextMenu);
setMenuKey();
OptionsDialog::addCallback(handleOptions, this);
// Send a fake pointer event so that the server will stop rendering
// a server-side cursor. Ideally we'd like to send the actual pointer
// position, but we can't really tell when the window manager is done
// placing us so we don't have a good time for that.
handlePointerEvent(Point(w/2, h/2), 0);
}
Viewport::~Viewport()
{
// Unregister all timeouts in case they get a change tro trigger
// again later when this object is already gone.
Fl::remove_timeout(handlePointerTimeout, this);
#ifdef HAVE_FLTK_CLIPBOARD
Fl::remove_clipboard_notify(handleClipboardChange);
#endif
OptionsDialog::removeCallback(handleOptions);
delete frameBuffer;
if (cursor) {
if (!cursor->alloc_array)
delete [] cursor->array;
delete cursor;
}
// FLTK automatically deletes all child widgets, so we shouldn't touch
// them ourselves here
}
const rfb::PixelFormat &Viewport::getPreferredPF()
{
return frameBuffer->getPF();
}
// Copy the areas of the framebuffer that have been changed (damaged)
// to the displayed window.
// FIXME: Make sure this gets called on slow updates
void Viewport::updateWindow()
{
Rect r;
r = frameBuffer->getDamage();
damage(FL_DAMAGE_USER1, r.tl.x + x(), r.tl.y + y(), r.width(), r.height());
}
rfb::ModifiablePixelBuffer* Viewport::getFramebuffer(void)
{
return frameBuffer;
}
#ifdef HAVE_FLTK_CURSOR
static const char * dotcursor_xpm[] = {
"5 5 2 1",
". c #000000",
" c #FFFFFF",
" ",
" ... ",
" ... ",
" ... ",
" "};
#endif
void Viewport::setCursor(int width, int height, const Point& hotspot,
void* data, void* mask)
{
#ifdef HAVE_FLTK_CURSOR
if (cursor) {
if (!cursor->alloc_array)
delete [] cursor->array;
delete cursor;
}
int mask_len = ((width+7)/8) * height;
int i;
for (i = 0; i < mask_len; i++)
if (((rdr::U8*)mask)[i]) break;
if ((i == mask_len) && dotWhenNoCursor) {
vlog.debug("cursor is empty - using dot");
Fl_Pixmap pxm(dotcursor_xpm);
cursor = new Fl_RGB_Image(&pxm);
cursorHotspot.x = cursorHotspot.y = 2;
} else {
if ((width == 0) || (height == 0)) {
U8 *buffer = new U8[4];
memset(buffer, 0, 4);
cursor = new Fl_RGB_Image(buffer, 1, 1, 4);
cursorHotspot.x = cursorHotspot.y = 0;
} else {
U8 *buffer = new U8[width*height*4];
U8 *i, *o, *m;
int m_width;
const PixelFormat *pf;
pf = &cc->cp.pf();
i = (U8*)data;
o = buffer;
m = (U8*)mask;
m_width = (width+7)/8;
for (int y = 0;y < height;y++) {
for (int x = 0;x < width;x++) {
pf->rgbFromBuffer(o, i, 1);
if (m[(m_width*y)+(x/8)] & 0x80>>(x%8))
o[3] = 255;
else
o[3] = 0;
o += 4;
i += pf->bpp/8;
}
}
cursor = new Fl_RGB_Image(buffer, width, height, 4);
cursorHotspot = hotspot;
}
}
if (Fl::belowmouse() == this)
window()->cursor(cursor, cursorHotspot.x, cursorHotspot.y);
#endif
}
void Viewport::draw()
{
int X, Y, W, H;
// Check what actually needs updating
fl_clip_box(x(), y(), w(), h(), X, Y, W, H);
if ((W == 0) || (H == 0))
return;
frameBuffer->draw(X - x(), Y - y(), X, Y, W, H);
}
void Viewport::resize(int x, int y, int w, int h)
{
PlatformPixelBuffer* newBuffer;
rfb::Rect rect;
const rdr::U8* data;
int stride;
// FIXME: Resize should probably be a feature of the pixel buffer itself
if ((w == frameBuffer->width()) && (h == frameBuffer->height()))
goto end;
vlog.debug("Resizing framebuffer from %dx%d to %dx%d",
frameBuffer->width(), frameBuffer->height(), w, h);
newBuffer = createFramebuffer(w, h);
assert(newBuffer);
rect.setXYWH(0, 0,
__rfbmin(newBuffer->width(), frameBuffer->width()),
__rfbmin(newBuffer->height(), frameBuffer->height()));
data = frameBuffer->getBuffer(frameBuffer->getRect(), &stride);
newBuffer->imageRect(rect, data, stride);
// Black out any new areas
if (newBuffer->width() > frameBuffer->width()) {
rect.setXYWH(frameBuffer->width(), 0,
newBuffer->width() - frameBuffer->width(),
newBuffer->height());
newBuffer->fillRect(rect, 0);
}
if (newBuffer->height() > frameBuffer->height()) {
rect.setXYWH(0, frameBuffer->height(),
newBuffer->width(),
newBuffer->height() - frameBuffer->height());
newBuffer->fillRect(rect, 0);
}
delete frameBuffer;
frameBuffer = newBuffer;
end:
Fl_Widget::resize(x, y, w, h);
}
int Viewport::handle(int event)
{
char *buffer;
int ret;
int buttonMask, wheelMask;
DownMap::const_iterator iter;
switch (event) {
case FL_PASTE:
buffer = new char[Fl::event_length() + 1];
// This is documented as to ASCII, but actually does to 8859-1
ret = fl_utf8toa(Fl::event_text(), Fl::event_length(), buffer,
Fl::event_length() + 1);
assert(ret < (Fl::event_length() + 1));
vlog.debug("Sending clipboard data (%d bytes)", strlen(buffer));
try {
cc->writer()->clientCutText(buffer, ret);
} catch (rdr::Exception& e) {
vlog.error("%s", e.str());
exit_vncviewer(e.str());
}
delete [] buffer;
return 1;
case FL_ENTER:
// Yes, we would like some pointer events please!
#ifdef HAVE_FLTK_CURSOR
if (cursor)
window()->cursor(cursor, cursorHotspot.x, cursorHotspot.y);
#endif
return 1;
case FL_LEAVE:
#ifdef HAVE_FLTK_CURSOR
window()->cursor(FL_CURSOR_DEFAULT);
#endif
// Fall through as we want a last move event to help trigger edge stuff
case FL_PUSH:
case FL_RELEASE:
case FL_DRAG:
case FL_MOVE:
case FL_MOUSEWHEEL:
buttonMask = 0;
if (Fl::event_button1())
buttonMask |= 1;
if (Fl::event_button2())
buttonMask |= 2;
if (Fl::event_button3())
buttonMask |= 4;
if (event == FL_MOUSEWHEEL) {
wheelMask = 0;
if (Fl::event_dy() < 0)
wheelMask |= 8;
if (Fl::event_dy() > 0)
wheelMask |= 16;
if (Fl::event_dx() < 0)
wheelMask |= 32;
if (Fl::event_dx() > 0)
wheelMask |= 64;
// A quick press of the wheel "button", followed by a immediate
// release below
handlePointerEvent(Point(Fl::event_x() - x(), Fl::event_y() - y()),
buttonMask | wheelMask);
}
handlePointerEvent(Point(Fl::event_x() - x(), Fl::event_y() - y()), buttonMask);
return 1;
case FL_FOCUS:
// Yes, we would like some focus please!
return 1;
case FL_UNFOCUS:
// Release all keys that were pressed as that generally makes most
// sense (e.g. Alt+Tab where we only see the Alt press)
while (!downKeySym.empty())
handleKeyEvent(downKeySym.begin()->first, downKeySym.begin()->first,
"", false);
return 1;
case FL_KEYDOWN:
if (menuKeyCode && (Fl::event_key() == menuKeyCode)) {
popupContextMenu();
return 1;
}
handleKeyEvent(Fl::event_key(), Fl::event_original_key(),
Fl::event_text(), true);
return 1;
case FL_KEYUP:
if (menuKeyCode && (Fl::event_key() == menuKeyCode))
return 1;
handleKeyEvent(Fl::event_key(), Fl::event_original_key(),
Fl::event_text(), false);
return 1;
}
return Fl_Widget::handle(event);
}
PlatformPixelBuffer* Viewport::createFramebuffer(int w, int h)
{
PlatformPixelBuffer *fb;
try {
#if defined(WIN32)
fb = new Win32PixelBuffer(w, h);
#elif defined(__APPLE__)
fb = new OSXPixelBuffer(w, h);
#else
fb = new X11PixelBuffer(w, h);
#endif
} catch (rdr::Exception& e) {
fb = new FLTKPixelBuffer(w, h);
}
return fb;
}
void Viewport::handleClipboardChange(int source, void *data)
{
Viewport *self = (Viewport *)data;
assert(self);
if (!sendPrimary && (source == 0))
return;
Fl::paste(*self, source);
}
void Viewport::handlePointerEvent(const rfb::Point& pos, int buttonMask)
{
if (!viewOnly) {
if (pointerEventInterval == 0 || buttonMask != lastButtonMask) {
try {
cc->writer()->pointerEvent(pos, buttonMask);
} catch (rdr::Exception& e) {
vlog.error("%s", e.str());
exit_vncviewer(e.str());
}
} else {
if (!Fl::has_timeout(handlePointerTimeout, this))
Fl::add_timeout((double)pointerEventInterval/1000.0,
handlePointerTimeout, this);
}
lastPointerPos = pos;
lastButtonMask = buttonMask;
}
}
void Viewport::handlePointerTimeout(void *data)
{
Viewport *self = (Viewport *)data;
assert(self);
try {
self->cc->writer()->pointerEvent(self->lastPointerPos, self->lastButtonMask);
} catch (rdr::Exception& e) {
vlog.error("%s", e.str());
exit_vncviewer(e.str());
}
}
rdr::U32 Viewport::translateKeyEvent(int keyCode, int origKeyCode, const char *keyText)
{
unsigned ucs;
// First check for function keys
if ((keyCode > FL_F) && (keyCode <= FL_F_Last))
return XK_F1 + (keyCode - FL_F - 1);
// Numpad numbers
if ((keyCode >= (FL_KP + '0')) && (keyCode <= (FL_KP + '9')))
return XK_KP_0 + (keyCode - (FL_KP + '0'));
// FLTK does some special remapping of numpad keys when numlock is off
if ((origKeyCode >= FL_KP) && (origKeyCode <= FL_KP_Last)) {
switch (keyCode) {
case FL_F+1:
return XK_KP_F1;
case FL_F+2:
return XK_KP_F2;
case FL_F+3:
return XK_KP_F3;
case FL_F+4:
return XK_KP_F4;
case FL_Home:
return XK_KP_Home;
case FL_Left:
return XK_KP_Left;
case FL_Up:
return XK_KP_Up;
case FL_Right:
return XK_KP_Right;
case FL_Down:
return XK_KP_Down;
case FL_Page_Up:
return XK_KP_Page_Up;
case FL_Page_Down:
return XK_KP_Page_Down;
case FL_End:
return XK_KP_End;
case FL_Insert:
return XK_KP_Insert;
case FL_Delete:
return XK_KP_Delete;
}
}
#ifdef __APPLE__
// Alt on OS X behaves more like AltGr on other systems, and to get
// sane behaviour we should translate things in that manner for the
// remote VNC server. However that means we lose the ability to use
// Alt as a shortcut modifier. Do what RealVNC does and hijack the
// left command key as an Alt replacement.
switch (keyCode) {
case FL_Meta_L:
return XK_Alt_L;
case FL_Meta_R:
return XK_Super_L;
case FL_Alt_L:
case FL_Alt_R:
return XK_ISO_Level3_Shift;
}
#endif
#if defined(WIN32) || defined(__APPLE__)
// X11 fairly consistently uses XK_KP_Separator for comma and
// XK_KP_Decimal for period. Windows and OS X are a different matter
// though.
//
// OS X will consistently generate the same key code no matter what
// layout is being used.
//
// Windows is terribly inconcistent, and is not something that's
// likely to change:
// http://blogs.msdn.com/michkap/archive/2006/09/13/752377.aspx
//
// To get X11 behaviour, we instead look at the text generated by
// they key.
if ((keyCode == (FL_KP + ',')) || (keyCode == (FL_KP + '.'))) {
switch (keyText[0]) {
case ',':
return XK_KP_Separator;
case '.':
return XK_KP_Decimal;
default:
vlog.error(_("Unknown decimal separator: '%s'"), keyText);
return XK_KP_Decimal;
}
}
#endif
// Then other special keys
switch (keyCode) {
case FL_BackSpace:
return XK_BackSpace;
case FL_Tab:
return XK_Tab;
case FL_Enter:
return XK_Return;
case FL_Pause:
return XK_Pause;
case FL_Scroll_Lock:
return XK_Scroll_Lock;
case FL_Escape:
return XK_Escape;
case FL_Home:
return XK_Home;
case FL_Left:
return XK_Left;
case FL_Up:
return XK_Up;
case FL_Right:
return XK_Right;
case FL_Down:
return XK_Down;
case FL_Page_Up:
return XK_Page_Up;
case FL_Page_Down:
return XK_Page_Down;
case FL_End:
return XK_End;
case FL_Print:
return XK_Print;
case FL_Insert:
return XK_Insert;
case FL_Menu:
return XK_Menu;
case FL_Help:
return XK_Help;
case FL_Num_Lock:
return XK_Num_Lock;
case FL_Shift_L:
return XK_Shift_L;
case FL_Shift_R:
return XK_Shift_R;
case FL_Control_L:
return XK_Control_L;
case FL_Control_R:
return XK_Control_R;
case FL_Caps_Lock:
return XK_Caps_Lock;
case FL_Meta_L:
return XK_Super_L;
case FL_Meta_R:
return XK_Super_R;
case FL_Alt_L:
return XK_Alt_L;
case FL_Alt_R:
return XK_Alt_R;
case FL_Delete:
return XK_Delete;
case FL_KP_Enter:
return XK_KP_Enter;
case FL_KP + '=':
return XK_KP_Equal;
case FL_KP + '*':
return XK_KP_Multiply;
case FL_KP + '+':
return XK_KP_Add;
case FL_KP + ',':
return XK_KP_Separator;
case FL_KP + '-':
return XK_KP_Subtract;
case FL_KP + '.':
return XK_KP_Decimal;
case FL_KP + '/':
return XK_KP_Divide;
#ifdef HAVE_FLTK_MEDIAKEYS
case FL_Volume_Down:
return XF86XK_AudioLowerVolume;
case FL_Volume_Mute:
return XF86XK_AudioMute;
case FL_Volume_Up:
return XF86XK_AudioRaiseVolume;
case FL_Media_Play:
return XF86XK_AudioPlay;
case FL_Media_Stop:
return XF86XK_AudioStop;
case FL_Media_Prev:
return XF86XK_AudioPrev;
case FL_Media_Next:
return XF86XK_AudioNext;
case FL_Home_Page:
return XF86XK_HomePage;
case FL_Mail:
return XF86XK_Mail;
case FL_Search:
return XF86XK_Search;
case FL_Back:
return XF86XK_Back;
case FL_Forward:
return XF86XK_Forward;
case FL_Stop:
return XF86XK_Stop;
case FL_Refresh:
return XF86XK_Refresh;
case FL_Sleep:
return XF86XK_Sleep;
case FL_Favorites:
return XF86XK_Favorites;
#endif
case XK_ISO_Level3_Shift:
// FLTK tends to let this one leak through on X11...
return XK_ISO_Level3_Shift;
case XK_Multi_key:
// Same for this...
return XK_Multi_key;
}
// Unknown special key?
if (keyText[0] == '\0') {
vlog.error(_("Unknown FLTK key code %d (0x%04x)"), keyCode, keyCode);
return XK_VoidSymbol;
}
// Look up the symbol the key produces and translate that from Unicode
// to a X11 keysym.
if (fl_utf_nb_char((const unsigned char*)keyText, strlen(keyText)) != 1) {
vlog.error(_("Multiple characters given for key code %d (0x%04x): '%s'"),
keyCode, keyCode, keyText);
return XK_VoidSymbol;
}
ucs = fl_utf8decode(keyText, NULL, NULL);
return ucs2keysym(ucs);
}
void Viewport::handleKeyEvent(int keyCode, int origKeyCode, const char *keyText, bool down)
{
rdr::U32 keySym;
if (viewOnly)
return;
// Because of the way keyboards work, we cannot expect to have the same
// symbol on release as when pressed. This breaks the VNC protocol however,
// so we need to keep track of what keysym a key _code_ generated on press
// and send the same on release.
if (!down) {
DownMap::iterator iter;
iter = downKeySym.find(origKeyCode);
if (iter == downKeySym.end()) {
vlog.error(_("Unexpected release of FLTK key code %d (0x%04x)"),
origKeyCode, origKeyCode);
return;
}
vlog.debug("Key released: 0x%04x => 0x%04x", origKeyCode, iter->second);
try {
cc->writer()->keyEvent(iter->second, false);
} catch (rdr::Exception& e) {
vlog.error("%s", e.str());
exit_vncviewer(e.str());
}
downKeySym.erase(iter);
return;
}
keySym = translateKeyEvent(keyCode, origKeyCode, keyText);
if (keySym == XK_VoidSymbol)
return;
#ifdef WIN32
// Ugly hack alert!
//
// Windows doesn't have a proper AltGr, but handles it using fake
// Ctrl+Alt. Unfortunately X11 doesn't generally like the combination
// Ctrl+Alt+AltGr, which we usually end up with when Xvnc tries to
// get everything in the correct state. Cheat and temporarily release
// Ctrl and Alt whenever we get a key with a symbol.
bool need_cheat = true;
if (keyText[0] == '\0')
need_cheat = false;
else if ((downKeySym.find(FL_Control_L) == downKeySym.end()) &&
(downKeySym.find(FL_Control_R) == downKeySym.end()))
need_cheat = false;
else if ((downKeySym.find(FL_Alt_L) == downKeySym.end()) &&
(downKeySym.find(FL_Alt_R) == downKeySym.end()))
need_cheat = false;
if (need_cheat) {
vlog.debug("Faking release of AltGr (Ctrl+Alt)");
try {
if (downKeySym.find(FL_Control_L) != downKeySym.end())
cc->writer()->keyEvent(XK_Control_L, false);
if (downKeySym.find(FL_Control_R) != downKeySym.end())
cc->writer()->keyEvent(XK_Control_R, false);
if (downKeySym.find(FL_Alt_L) != downKeySym.end())
cc->writer()->keyEvent(XK_Alt_L, false);
if (downKeySym.find(FL_Alt_R) != downKeySym.end())
cc->writer()->keyEvent(XK_Alt_R, false);
} catch (rdr::Exception& e) {
vlog.error("%s", e.str());
exit_vncviewer(e.str());
}
}
#endif
vlog.debug("Key pressed: 0x%04x (0x%04x) '%s' => 0x%04x",
origKeyCode, keyCode, keyText, keySym);
downKeySym[origKeyCode] = keySym;
try {
cc->writer()->keyEvent(keySym, down);
} catch (rdr::Exception& e) {
vlog.error("%s", e.str());
exit_vncviewer(e.str());
}
#ifdef WIN32
// Ugly hack continued...
if (need_cheat) {
vlog.debug("Restoring AltGr state");
try {
if (downKeySym.find(FL_Control_L) != downKeySym.end())
cc->writer()->keyEvent(XK_Control_L, true);
if (downKeySym.find(FL_Control_R) != downKeySym.end())
cc->writer()->keyEvent(XK_Control_R, true);
if (downKeySym.find(FL_Alt_L) != downKeySym.end())
cc->writer()->keyEvent(XK_Alt_L, true);
if (downKeySym.find(FL_Alt_R) != downKeySym.end())
cc->writer()->keyEvent(XK_Alt_R, true);
} catch (rdr::Exception& e) {
vlog.error(e.str());
exit_vncviewer(e.str());
}
}
#endif
}
void Viewport::initContextMenu()
{
contextMenu->clear();
contextMenu->add(_("Exit viewer"), 0, NULL, (void*)ID_EXIT, FL_MENU_DIVIDER);
#ifdef HAVE_FLTK_FULLSCREEN
contextMenu->add(_("Full screen"), 0, NULL, (void*)ID_FULLSCREEN,
FL_MENU_TOGGLE | (window()->fullscreen_active()?FL_MENU_VALUE:0));
#endif
contextMenu->add(_("Resize window to session"), 0, NULL, (void*)ID_RESIZE,
#ifdef HAVE_FLTK_FULLSCREEN
(window()->fullscreen_active()?FL_MENU_INACTIVE:0) |
#endif
FL_MENU_DIVIDER);
contextMenu->add(_("Ctrl"), 0, NULL, (void*)ID_CTRL,
FL_MENU_TOGGLE | (menuCtrlKey?FL_MENU_VALUE:0));
contextMenu->add(_("Alt"), 0, NULL, (void*)ID_ALT,
FL_MENU_TOGGLE | (menuAltKey?FL_MENU_VALUE:0));
if (menuKeyCode) {
char sendMenuKey[64];
snprintf(sendMenuKey, 64, _("Send %s"), (const char *)menuKey);
contextMenu->add(sendMenuKey, 0, NULL, (void*)ID_MENUKEY, 0);
contextMenu->add("Secret shortcut menu key", menuKeyCode, NULL, (void*)ID_MENUKEY, FL_MENU_INVISIBLE);
}
contextMenu->add(_("Send Ctrl-Alt-Del"), 0, NULL, (void*)ID_CTRLALTDEL, FL_MENU_DIVIDER);
contextMenu->add(_("Refresh screen"), 0, NULL, (void*)ID_REFRESH, FL_MENU_DIVIDER);
contextMenu->add(_("Options..."), 0, NULL, (void*)ID_OPTIONS, 0);
contextMenu->add(_("Connection info..."), 0, NULL, (void*)ID_INFO, 0);
contextMenu->add(_("About TigerVNC viewer..."), 0, NULL, (void*)ID_ABOUT, FL_MENU_DIVIDER);
contextMenu->add(_("Dismiss menu"), 0, NULL, (void*)ID_DISMISS, 0);
}
void Viewport::popupContextMenu()
{
const Fl_Menu_Item *m;
char buffer[1024];
// Make sure the menu is reset to its initial state between goes or
// it will start up highlighting the previously selected entry.
contextMenu->value(-1);
// initialize context menu before display
initContextMenu();
// Unfortunately FLTK doesn't reliably restore the mouse pointer for
// menus, so we have to help it out.
#ifdef HAVE_FLTK_CURSOR
if (Fl::belowmouse() == this)
window()->cursor(FL_CURSOR_DEFAULT);
#endif
m = contextMenu->popup();
// Back to our proper mouse pointer.
#ifdef HAVE_FLTK_CURSOR
if ((Fl::belowmouse() == this) && cursor)
window()->cursor(cursor, cursorHotspot.x, cursorHotspot.y);
#endif
if (m == NULL)
return;
switch (m->argument()) {
case ID_EXIT:
exit_vncviewer();
break;
#ifdef HAVE_FLTK_FULLSCREEN
case ID_FULLSCREEN:
if (window()->fullscreen_active())
window()->fullscreen_off();
else
((DesktopWindow*)window())->fullscreen_on();
break;
#endif
case ID_RESIZE:
#ifdef HAVE_FLTK_FULLSCREEN
if (window()->fullscreen_active())
break;
#endif
window()->size(w(), h());
break;
case ID_CTRL:
handleKeyEvent(FL_Control_L, FL_Control_L, "", m->value());
menuCtrlKey = !menuCtrlKey;
break;
case ID_ALT:
handleKeyEvent(FL_Alt_L, FL_Alt_L, "", m->value());
menuAltKey = !menuAltKey;
break;
case ID_MENUKEY:
handleKeyEvent(menuKeyCode, menuKeyCode, "", true);
handleKeyEvent(menuKeyCode, menuKeyCode, "", false);
break;
case ID_CTRLALTDEL:
handleKeyEvent(FL_Control_L, FL_Control_L, "", true);
handleKeyEvent(FL_Alt_L, FL_Alt_L, "", true);
handleKeyEvent(FL_Delete, FL_Delete, "", true);
handleKeyEvent(FL_Delete, FL_Delete, "", false);
handleKeyEvent(FL_Alt_L, FL_Alt_L, "", false);
handleKeyEvent(FL_Control_L, FL_Control_L, "", false);
break;
case ID_REFRESH:
cc->refreshFramebuffer();
break;
case ID_OPTIONS:
OptionsDialog::showDialog();
break;
case ID_INFO:
if (fltk_escape(cc->connectionInfo(), buffer, sizeof(buffer)) < sizeof(buffer)) {
fl_message_title(_("VNC connection info"));
fl_message("%s", buffer);
}
break;
case ID_ABOUT:
about_vncviewer();
break;
case ID_DISMISS:
// Don't need to do anything
break;
}
}
void Viewport::setMenuKey()
{
menuKeyCode = getMenuKeyCode();
}
void Viewport::handleOptions(void *data)
{
Viewport *self = (Viewport*)data;
self->setMenuKey();
}
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