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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>
- #include <rfb/Exception.h>
-
- // FLTK can pull in the X11 headers on some systems
- #ifndef XK_VoidSymbol
- #define XK_LATIN1
- #define XK_MISCELLANY
- #define XK_XKB_KEYS
- #include <rfb/keysymdef.h>
- #endif
-
- #ifndef XF86XK_ModeLock
- #include <rfb/XF86keysym.h>
- #endif
-
- #ifndef NoSymbol
- #define NoSymbol 0
- #endif
-
- // Missing in at least some versions of MinGW
- #ifndef MAPVK_VK_TO_VSC
- #define MAPVK_VK_TO_VSC 0
- #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 <FL/fl_draw.H>
- #include <FL/fl_ask.H>
-
- #include <FL/Fl_Menu.H>
- #include <FL/Fl_Menu_Button.H>
-
- #ifdef __APPLE__
- #include "cocoa.h"
- #endif
-
- #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_MINIMIZE, ID_RESIZE,
- ID_CTRL, ID_ALT, ID_MENUKEY, ID_CTRLALTDEL,
- ID_REFRESH, ID_OPTIONS, ID_INFO, ID_ABOUT, ID_DISMISS };
-
- // Fake key presses use this value and above
- static const int fakeKeyBase = 0x200;
-
- 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),
- menuCtrlKey(false), menuAltKey(false), cursor(NULL)
- {
- Fl::add_clipboard_notify(handleClipboardChange, this);
-
- // We need to intercept keyboard events early
- Fl::add_system_handler(handleSystemEvent, this);
-
- frameBuffer = new PlatformPixelBuffer(w, h);
- assert(frameBuffer);
- cc->setFramebuffer(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);
-
- Fl::remove_system_handler(handleSystemEvent);
-
- Fl::remove_clipboard_notify(handleClipboardChange);
-
- OptionsDialog::removeCallback(handleOptions);
-
- 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.
-
- void Viewport::updateWindow()
- {
- Rect r;
-
- r = frameBuffer->getDamage();
- damage(FL_DAMAGE_USER1, r.tl.x + x(), r.tl.y + y(), r.width(), r.height());
- }
-
- static const char * dotcursor_xpm[] = {
- "5 5 2 1",
- ". c #000000",
- " c #FFFFFF",
- " ",
- " ... ",
- " ... ",
- " ... ",
- " "};
-
- void Viewport::setCursor(int width, int height, const Point& hotspot,
- void* data, void* mask)
- {
- 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);
- }
-
-
- 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)
- {
- if ((w != frameBuffer->width()) || (h != frameBuffer->height())) {
- vlog.debug("Resizing framebuffer from %dx%d to %dx%d",
- frameBuffer->width(), frameBuffer->height(), w, h);
-
- frameBuffer = new PlatformPixelBuffer(w, h);
- assert(frameBuffer);
- cc->setFramebuffer(frameBuffer);
- }
-
- 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)", (int)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:
- if (cursor)
- window()->cursor(cursor, cursorHotspot.x, cursorHotspot.y);
- // Yes, we would like some pointer events please!
- return 1;
-
- case FL_LEAVE:
- window()->cursor(FL_CURSOR_DEFAULT);
- // 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:
- Fl::disable_im();
- // 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())
- handleKeyRelease(downKeySym.begin()->first);
- Fl::enable_im();
- return 1;
-
- case FL_KEYDOWN:
- case FL_KEYUP:
- // Just ignore these as keys were handled in the event handler
- return 1;
- }
-
- return Fl_Widget::handle(event);
- }
-
- void Viewport::handleClipboardChange(int source, void *data)
- {
- Viewport *self = (Viewport *)data;
-
- assert(self);
-
- if (!sendClipboard)
- return;
-
- #if !defined(WIN32) && !defined(__APPLE__)
- if (!sendPrimary && (source == 0))
- return;
- #endif
-
- 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());
- }
- }
-
-
- void Viewport::handleKeyPress(int keyCode, rdr::U32 keySym)
- {
- static bool menuRecursion = false;
-
- // Prevent recursion if the menu wants to send its own
- // activation key.
- if (menuKeySym && (keySym == menuKeySym) && !menuRecursion) {
- menuRecursion = true;
- popupContextMenu();
- menuRecursion = false;
- return;
- }
-
- if (viewOnly)
- return;
-
- #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 (keySym) {
- case XK_Super_L:
- keySym = XK_Alt_L;
- break;
- case XK_Super_R:
- keySym = XK_Super_L;
- break;
- case XK_Alt_L:
- keySym = XK_Mode_switch;
- break;
- case XK_Alt_R:
- keySym = XK_ISO_Level3_Shift;
- break;
- }
- #endif
-
- #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 when we send some other symbol.
- bool ctrlPressed, altPressed;
- DownMap::iterator iter;
-
- ctrlPressed = false;
- altPressed = false;
- for (iter = downKeySym.begin();iter != downKeySym.end();++iter) {
- if (iter->second == XK_Control_L)
- ctrlPressed = true;
- else if (iter->second == XK_Alt_R)
- altPressed = true;
- }
-
- if (ctrlPressed && altPressed) {
- vlog.debug("Faking release of AltGr (Ctrl_L+Alt_R)");
- try {
- cc->writer()->keyEvent(XK_Control_L, false);
- cc->writer()->keyEvent(XK_Alt_R, false);
- } catch (rdr::Exception& e) {
- vlog.error("%s", e.str());
- exit_vncviewer(e.str());
- }
- }
- #endif
-
- // 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.
- downKeySym[keyCode] = keySym;
-
- #if defined(WIN32) || defined(__APPLE__)
- vlog.debug("Key pressed: 0x%04x => 0x%04x", keyCode, keySym);
- #else
- vlog.debug("Key pressed: 0x%04x => XK_%s (0x%04x)",
- keyCode, XKeysymToString(keySym), keySym);
- #endif
-
- try {
- cc->writer()->keyEvent(keySym, true);
- } catch (rdr::Exception& e) {
- vlog.error("%s", e.str());
- exit_vncviewer(e.str());
- }
-
- #ifdef WIN32
- // Ugly hack continued...
- if (ctrlPressed && altPressed) {
- vlog.debug("Restoring AltGr state");
- try {
- cc->writer()->keyEvent(XK_Control_L, true);
- cc->writer()->keyEvent(XK_Alt_R, true);
- } catch (rdr::Exception& e) {
- vlog.error("%s", e.str());
- exit_vncviewer(e.str());
- }
- }
- #endif
- }
-
-
- void Viewport::handleKeyRelease(int keyCode)
- {
- DownMap::iterator iter;
-
- if (viewOnly)
- return;
-
- iter = downKeySym.find(keyCode);
- if (iter == downKeySym.end()) {
- // These occur somewhat frequently so let's not spam them unless
- // logging is turned up.
- vlog.debug("Unexpected release of key code %d", keyCode);
- return;
- }
-
- #if defined(WIN32) || defined(__APPLE__)
- vlog.debug("Key released: 0x%04x => 0x%04x", keyCode, iter->second);
- #else
- vlog.debug("Key released: 0x%04x => XK_%s (0x%04x)",
- keyCode, XKeysymToString(iter->second), iter->second);
- #endif
-
- try {
- cc->writer()->keyEvent(iter->second, false);
- } catch (rdr::Exception& e) {
- vlog.error("%s", e.str());
- exit_vncviewer(e.str());
- }
-
- downKeySym.erase(iter);
- }
-
-
- int Viewport::handleSystemEvent(void *event, void *data)
- {
- Viewport *self = (Viewport *)data;
- Fl_Widget *focus;
-
- assert(self);
-
- focus = Fl::grab();
- if (!focus)
- focus = Fl::focus();
- if (!focus)
- return 0;
-
- if (focus != self)
- return 0;
-
- assert(event);
-
- #if defined(WIN32)
- MSG *msg = (MSG*)event;
-
- if ((msg->message == WM_KEYDOWN) || (msg->message == WM_SYSKEYDOWN)) {
- UINT vKey;
- bool isExtended;
- int keyCode;
- rdr::U32 keySym;
-
- vKey = msg->wParam;
- isExtended = (msg->lParam & (1 << 24)) != 0;
-
- keyCode = ((msg->lParam >> 16) & 0xff);
-
- // Windows sets the scan code to 0x00 for multimedia keys, so we
- // have to do a reverse lookup based on the vKey.
- if (keyCode == 0x00) {
- keyCode = MapVirtualKey(vKey, MAPVK_VK_TO_VSC);
- if (keyCode == 0x00) {
- if (isExtended)
- vlog.error(_("No scan code for extended virtual key 0x%02x"), (int)vKey);
- else
- vlog.error(_("No scan code for virtual key 0x%02x"), (int)vKey);
- return 1;
- }
- }
-
- if (isExtended)
- keyCode |= 0x100;
-
- // VK_SNAPSHOT sends different scan codes depending on the state of
- // Alt. This means that we can get different scan codes on press and
- // release. Force it to be something standard.
- if (vKey == VK_SNAPSHOT)
- keyCode = 0x137;
-
- keySym = win32_vkey_to_keysym(vKey, isExtended);
- if (keySym == NoSymbol) {
- if (isExtended)
- vlog.error(_("No symbol for extended virtual key 0x%02x"), (int)vKey);
- else
- vlog.error(_("No symbol for virtual key 0x%02x"), (int)vKey);
- return 1;
- }
-
- self->handleKeyPress(keyCode, keySym);
-
- return 1;
- } else if ((msg->message == WM_KEYUP) || (msg->message == WM_SYSKEYUP)) {
- UINT vKey;
- bool isExtended;
- int keyCode;
-
- vKey = msg->wParam;
- isExtended = (msg->lParam & (1 << 24)) != 0;
-
- keyCode = ((msg->lParam >> 16) & 0xff);
- if (keyCode == 0x00)
- keyCode = MapVirtualKey(vKey, MAPVK_VK_TO_VSC);
- if (isExtended)
- keyCode |= 0x100;
- if (vKey == VK_SNAPSHOT)
- keyCode = 0x137;
-
- self->handleKeyRelease(keyCode);
-
- return 1;
- }
- #elif defined(__APPLE__)
- if (cocoa_is_keyboard_event(event)) {
- int keyCode;
-
- keyCode = cocoa_event_keycode(event);
-
- if (cocoa_is_key_press(event)) {
- rdr::U32 keySym;
-
- keySym = cocoa_event_keysym(event);
- if (keySym == NoSymbol) {
- vlog.error(_("No symbol for key code 0x%02x (in the current state)"),
- (int)keyCode);
- return 1;
- }
-
- self->handleKeyPress(keyCode, keySym);
-
- // We don't get any release events for CapsLock, so we have to
- // send the release right away.
- if (keySym == XK_Caps_Lock)
- self->handleKeyRelease(keyCode);
- } else {
- self->handleKeyRelease(keyCode);
- }
-
- return 1;
- }
- #else
- XEvent *xevent = (XEvent*)event;
-
- if (xevent->type == KeyPress) {
- char str;
- KeySym keysym;
-
- XLookupString(&xevent->xkey, &str, 1, &keysym, NULL);
- if (keysym == NoSymbol) {
- vlog.error(_("No symbol for key code %d (in the current state)"),
- (int)xevent->xkey.keycode);
- return 1;
- }
-
- switch (keysym) {
- // For the first few years, there wasn't a good consensus on what the
- // Windows keys should be mapped to for X11. So we need to help out a
- // bit and map all variants to the same key...
- case XK_Hyper_L:
- keysym = XK_Super_L;
- break;
- case XK_Hyper_R:
- keysym = XK_Super_R;
- break;
- // There has been several variants for Shift-Tab over the years.
- // RFB states that we should always send a normal tab.
- case XK_ISO_Left_Tab:
- keysym = XK_Tab;
- break;
- }
-
- self->handleKeyPress(xevent->xkey.keycode, keysym);
- return 1;
- } else if (xevent->type == KeyRelease) {
- self->handleKeyRelease(xevent->xkey.keycode);
- return 1;
- }
- #endif
-
- return 0;
- }
-
- void Viewport::initContextMenu()
- {
- contextMenu->clear();
-
- fltk_menu_add(contextMenu, p_("ContextMenu|", "E&xit viewer"),
- 0, NULL, (void*)ID_EXIT, FL_MENU_DIVIDER);
-
- fltk_menu_add(contextMenu, p_("ContextMenu|", "&Full screen"),
- 0, NULL, (void*)ID_FULLSCREEN,
- FL_MENU_TOGGLE | (window()->fullscreen_active()?FL_MENU_VALUE:0));
- fltk_menu_add(contextMenu, p_("ContextMenu|", "Minimi&ze"),
- 0, NULL, (void*)ID_MINIMIZE, 0);
- fltk_menu_add(contextMenu, p_("ContextMenu|", "Resize &window to session"),
- 0, NULL, (void*)ID_RESIZE,
- (window()->fullscreen_active()?FL_MENU_INACTIVE:0) |
- FL_MENU_DIVIDER);
-
- fltk_menu_add(contextMenu, p_("ContextMenu|", "&Ctrl"),
- 0, NULL, (void*)ID_CTRL,
- FL_MENU_TOGGLE | (menuCtrlKey?FL_MENU_VALUE:0));
- fltk_menu_add(contextMenu, p_("ContextMenu|", "&Alt"),
- 0, NULL, (void*)ID_ALT,
- FL_MENU_TOGGLE | (menuAltKey?FL_MENU_VALUE:0));
-
- if (menuKeySym) {
- char sendMenuKey[64];
- snprintf(sendMenuKey, 64, p_("ContextMenu|", "Send %s"), (const char *)menuKey);
- fltk_menu_add(contextMenu, sendMenuKey, 0, NULL, (void*)ID_MENUKEY, 0);
- fltk_menu_add(contextMenu, "Secret shortcut menu key", menuKeyCode, NULL,
- (void*)ID_MENUKEY, FL_MENU_INVISIBLE);
- }
-
- fltk_menu_add(contextMenu, p_("ContextMenu|", "Send Ctrl-Alt-&Del"),
- 0, NULL, (void*)ID_CTRLALTDEL, FL_MENU_DIVIDER);
-
- fltk_menu_add(contextMenu, p_("ContextMenu|", "&Refresh screen"),
- 0, NULL, (void*)ID_REFRESH, FL_MENU_DIVIDER);
-
- fltk_menu_add(contextMenu, p_("ContextMenu|", "&Options..."),
- 0, NULL, (void*)ID_OPTIONS, 0);
- fltk_menu_add(contextMenu, p_("ContextMenu|", "Connection &info..."),
- 0, NULL, (void*)ID_INFO, 0);
- fltk_menu_add(contextMenu, p_("ContextMenu|", "About &TigerVNC viewer..."),
- 0, NULL, (void*)ID_ABOUT, FL_MENU_DIVIDER);
-
- fltk_menu_add(contextMenu, p_("ContextMenu|", "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.
- if (Fl::belowmouse() == this)
- window()->cursor(FL_CURSOR_DEFAULT);
-
- m = contextMenu->popup();
-
- // Back to our proper mouse pointer.
- if ((Fl::belowmouse() == this) && cursor)
- window()->cursor(cursor, cursorHotspot.x, cursorHotspot.y);
-
- if (m == NULL)
- return;
-
- switch (m->argument()) {
- case ID_EXIT:
- exit_vncviewer();
- break;
- case ID_FULLSCREEN:
- if (window()->fullscreen_active())
- window()->fullscreen_off();
- else
- ((DesktopWindow*)window())->fullscreen_on();
- break;
- case ID_MINIMIZE:
- window()->iconize();
- break;
- case ID_RESIZE:
- if (window()->fullscreen_active())
- break;
- window()->size(w(), h());
- break;
- case ID_CTRL:
- if (m->value())
- handleKeyPress(fakeKeyBase + 0, XK_Control_L);
- else
- handleKeyRelease(fakeKeyBase + 0);
- menuCtrlKey = !menuCtrlKey;
- break;
- case ID_ALT:
- if (m->value())
- handleKeyPress(fakeKeyBase + 1, XK_Alt_L);
- else
- handleKeyRelease(fakeKeyBase + 1);
- menuAltKey = !menuAltKey;
- break;
- case ID_MENUKEY:
- handleKeyPress(fakeKeyBase + 2, menuKeySym);
- handleKeyRelease(fakeKeyBase + 2);
- break;
- case ID_CTRLALTDEL:
- handleKeyPress(fakeKeyBase + 3, XK_Control_L);
- handleKeyPress(fakeKeyBase + 4, XK_Alt_L);
- handleKeyPress(fakeKeyBase + 5, XK_Delete);
-
- handleKeyRelease(fakeKeyBase + 5);
- handleKeyRelease(fakeKeyBase + 4);
- handleKeyRelease(fakeKeyBase + 3);
- 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()
- {
- getMenuKey(&menuKeyCode, &menuKeySym);
- }
-
-
- void Viewport::handleOptions(void *data)
- {
- Viewport *self = (Viewport*)data;
-
- self->setMenuKey();
- }
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