123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411 |
- /* Copyright 2011 Pierre Ossman <ossman@cendio.se> for Cendio AB
- * Copyright 2012 Samuel Mannehed <samuel@cendio.se> 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 <errno.h>
- #include <algorithm>
- #include <libgen.h>
-
- #include <FL/Fl.H>
- #include <FL/Fl_Input.H>
- #include <FL/Fl_Input_Choice.H>
- #include <FL/Fl_Button.H>
- #include <FL/Fl_Return_Button.H>
- #include <FL/fl_draw.H>
- #include <FL/fl_ask.H>
- #include <FL/Fl_Box.H>
- #include <FL/Fl_File_Chooser.H>
-
- #include <os/os.h>
- #include <rfb/Exception.h>
- #include <rfb/LogWriter.h>
-
- #include "fltk/layout.h"
- #include "ServerDialog.h"
- #include "OptionsDialog.h"
- #include "i18n.h"
- #include "vncviewer.h"
- #include "parameters.h"
-
-
- using namespace std;
- using namespace rfb;
-
- static LogWriter vlog("ServerDialog");
-
- const char* SERVER_HISTORY="tigervnc.history";
-
- ServerDialog::ServerDialog()
- : Fl_Window(450, 0, _("VNC Viewer: Connection Details"))
- {
- int x, y, x2;
- Fl_Button *button;
- Fl_Box *divider;
-
- usedDir = NULL;
-
- x = OUTER_MARGIN;
- y = OUTER_MARGIN;
-
- serverName = new Fl_Input_Choice(LBLLEFT(x, y, w() - OUTER_MARGIN*2,
- INPUT_HEIGHT, _("VNC server:")));
- y += INPUT_HEIGHT + INNER_MARGIN;
-
- x2 = x;
-
- button = new Fl_Button(x2, y, BUTTON_WIDTH, BUTTON_HEIGHT, _("Options..."));
- button->callback(this->handleOptions, this);
- x2 += BUTTON_WIDTH + INNER_MARGIN;
-
- button = new Fl_Button(x2, y, BUTTON_WIDTH, BUTTON_HEIGHT, _("Load..."));
- button->callback(this->handleLoad, this);
- x2 += BUTTON_WIDTH + INNER_MARGIN;
-
- button = new Fl_Button(x2, y, BUTTON_WIDTH, BUTTON_HEIGHT, _("Save As..."));
- button->callback(this->handleSaveAs, this);
- x2 += BUTTON_WIDTH + INNER_MARGIN;
-
- y += BUTTON_HEIGHT + INNER_MARGIN;
-
- divider = new Fl_Box(0, y, w(), 2);
- divider->box(FL_THIN_DOWN_FRAME);
-
- y += divider->h() + INNER_MARGIN;
-
- // Symmetric margin around bottom button bar
- y += OUTER_MARGIN - INNER_MARGIN;
-
- button = new Fl_Button(x, y, BUTTON_WIDTH, BUTTON_HEIGHT, _("About..."));
- button->callback(this->handleAbout, this);
-
- x2 = w() - OUTER_MARGIN - BUTTON_WIDTH*2 - INNER_MARGIN*1;
-
- button = new Fl_Button(x2, y, BUTTON_WIDTH, BUTTON_HEIGHT, _("Cancel"));
- button->callback(this->handleCancel, this);
- x2 += BUTTON_WIDTH + INNER_MARGIN;
-
- button = new Fl_Return_Button(x2, y, BUTTON_WIDTH, BUTTON_HEIGHT, _("Connect"));
- button->callback(this->handleConnect, this);
- x2 += BUTTON_WIDTH + INNER_MARGIN;
-
- y += BUTTON_HEIGHT + INNER_MARGIN;
-
- /* Needed for resize to work sanely */
- resizable(NULL);
- h(y-INNER_MARGIN+OUTER_MARGIN);
-
- callback(this->handleCancel, this);
- }
-
-
- ServerDialog::~ServerDialog()
- {
- if (usedDir)
- free(usedDir);
- }
-
-
- void ServerDialog::run(const char* servername, char *newservername)
- {
- ServerDialog dialog;
-
- dialog.serverName->value(servername);
-
- dialog.show();
-
- try {
- size_t i;
-
- dialog.loadServerHistory();
-
- dialog.serverName->clear();
- for(i = 0; i < dialog.serverHistory.size(); ++i)
- dialog.serverName->add(dialog.serverHistory[i].c_str());
- } catch (Exception& e) {
- vlog.error("%s", e.str());
- fl_alert(_("Unable to load the server history:\n\n%s"),
- e.str());
- }
-
- while (dialog.shown()) Fl::wait();
-
- if (dialog.serverName->value() == NULL) {
- newservername[0] = '\0';
- return;
- }
-
- strncpy(newservername, dialog.serverName->value(), VNCSERVERNAMELEN);
- newservername[VNCSERVERNAMELEN - 1] = '\0';
- }
-
- void ServerDialog::handleOptions(Fl_Widget* /*widget*/, void* /*data*/)
- {
- OptionsDialog::showDialog();
- }
-
-
- void ServerDialog::handleLoad(Fl_Widget* /*widget*/, void* data)
- {
- ServerDialog *dialog = (ServerDialog*)data;
-
- if (!dialog->usedDir)
- getuserhomedir(&(dialog->usedDir));
-
- Fl_File_Chooser* file_chooser = new Fl_File_Chooser(dialog->usedDir, _("TigerVNC configuration (*.tigervnc)"),
- 0, _("Select a TigerVNC configuration file"));
- file_chooser->preview(0);
- file_chooser->previewButton->hide();
- file_chooser->show();
-
- // Block until user picks something.
- while(file_chooser->shown())
- Fl::wait();
-
- // Did the user hit cancel?
- if (file_chooser->value() == NULL) {
- delete(file_chooser);
- return;
- }
-
- const char* filename = file_chooser->value();
- dialog->updateUsedDir(filename);
-
- try {
- dialog->serverName->value(loadViewerParameters(filename));
- } catch (Exception& e) {
- vlog.error("%s", e.str());
- fl_alert(_("Unable to load the specified configuration file:\n\n%s"),
- e.str());
- }
-
- delete(file_chooser);
- }
-
-
- void ServerDialog::handleSaveAs(Fl_Widget* /*widget*/, void* data)
- {
- ServerDialog *dialog = (ServerDialog*)data;
- const char* servername = dialog->serverName->value();
- const char* filename;
- if (!dialog->usedDir)
- getuserhomedir(&dialog->usedDir);
-
- Fl_File_Chooser* file_chooser = new Fl_File_Chooser(dialog->usedDir, _("TigerVNC configuration (*.tigervnc)"),
- 2, _("Save the TigerVNC configuration to file"));
-
- file_chooser->preview(0);
- file_chooser->previewButton->hide();
- file_chooser->show();
-
- while(1) {
-
- // Block until user picks something.
- while(file_chooser->shown())
- Fl::wait();
-
- // Did the user hit cancel?
- if (file_chooser->value() == NULL) {
- delete(file_chooser);
- return;
- }
-
- filename = file_chooser->value();
- dialog->updateUsedDir(filename);
-
- FILE* f = fopen(filename, "r");
- if (f) {
-
- // The file already exists.
- fclose(f);
- int overwrite_choice = fl_choice(_("%s already exists. Do you want to overwrite?"),
- _("Overwrite"), _("No"), NULL, filename);
- if (overwrite_choice == 1) {
-
- // If the user doesn't want to overwrite:
- file_chooser->show();
- continue;
- }
- }
-
- break;
- }
-
- try {
- saveViewerParameters(filename, servername);
- } catch (Exception& e) {
- vlog.error("%s", e.str());
- fl_alert(_("Unable to save the specified configuration "
- "file:\n\n%s"), e.str());
- }
-
- delete(file_chooser);
- }
-
-
- void ServerDialog::handleAbout(Fl_Widget* /*widget*/, void* /*data*/)
- {
- about_vncviewer();
- }
-
-
- void ServerDialog::handleCancel(Fl_Widget* /*widget*/, void* data)
- {
- ServerDialog *dialog = (ServerDialog*)data;
-
- dialog->serverName->value("");
- dialog->hide();
- }
-
-
- void ServerDialog::handleConnect(Fl_Widget* /*widget*/, void *data)
- {
- ServerDialog *dialog = (ServerDialog*)data;
- const char* servername = dialog->serverName->value();
-
- dialog->hide();
-
- try {
- saveViewerParameters(NULL, servername);
- } catch (Exception& e) {
- vlog.error("%s", e.str());
- fl_alert(_("Unable to save the default configuration:\n\n%s"),
- e.str());
- }
-
- try {
- vector<string>::iterator elem = std::find(dialog->serverHistory.begin(), dialog->serverHistory.end(), servername);
- // avoid duplicates in the history
- if(dialog->serverHistory.end() == elem) {
- dialog->serverHistory.insert(dialog->serverHistory.begin(), servername);
- dialog->saveServerHistory();
- }
- } catch (Exception& e) {
- vlog.error("%s", e.str());
- fl_alert(_("Unable to save the server history:\n\n%s"),
- e.str());
- }
- }
-
-
- void ServerDialog::loadServerHistory()
- {
- serverHistory.clear();
-
- #ifdef _WIN32
- loadHistoryFromRegKey(serverHistory);
- return;
- #endif
-
- char* homeDir = NULL;
- if (getvnchomedir(&homeDir) == -1)
- throw Exception(_("Could not obtain the home directory path"));
-
- char filepath[PATH_MAX];
- snprintf(filepath, sizeof(filepath), "%s%s", homeDir, SERVER_HISTORY);
- delete[] homeDir;
-
- /* Read server history from file */
- FILE* f = fopen(filepath, "r");
- if (!f) {
- if (errno == ENOENT) {
- // no history file
- return;
- }
- throw Exception(_("Could not open \"%s\": %s"),
- filepath, strerror(errno));
- }
-
- int lineNr = 0;
- while (!feof(f)) {
- char line[256];
-
- // Read the next line
- lineNr++;
- if (!fgets(line, sizeof(line), f)) {
- if (feof(f))
- break;
-
- fclose(f);
- throw Exception(_("Failed to read line %d in file %s: %s"),
- lineNr, filepath, strerror(errno));
- }
-
- int len = strlen(line);
-
- if (len == (sizeof(line) - 1)) {
- fclose(f);
- throw Exception(_("Failed to read line %d in file %s: %s"),
- lineNr, filepath, _("Line too long"));
- }
-
- if ((len > 0) && (line[len-1] == '\n')) {
- line[len-1] = '\0';
- len--;
- }
- if ((len > 0) && (line[len-1] == '\r')) {
- line[len-1] = '\0';
- len--;
- }
-
- if (len == 0)
- continue;
-
- serverHistory.push_back(line);
- }
-
- fclose(f);
- }
-
- void ServerDialog::saveServerHistory()
- {
- #ifdef _WIN32
- saveHistoryToRegKey(serverHistory);
- return;
- #endif
-
- char* homeDir = NULL;
- if (getvnchomedir(&homeDir) == -1)
- throw Exception(_("Could not obtain the home directory path"));
-
- char filepath[PATH_MAX];
- snprintf(filepath, sizeof(filepath), "%s%s", homeDir, SERVER_HISTORY);
- delete[] homeDir;
-
- /* Write server history to file */
- FILE* f = fopen(filepath, "w+");
- if (!f)
- throw Exception(_("Could not open \"%s\": %s"),
- filepath, strerror(errno));
-
- // Save the last X elements to the config file.
- for(size_t i=0; i < serverHistory.size() && i <= SERVER_HISTORY_SIZE; i++)
- fprintf(f, "%s\n", serverHistory[i].c_str());
-
- fclose(f);
- }
-
- void ServerDialog::updateUsedDir(const char* filename)
- {
- char * name = strdup(filename);
- usedDir = strdup(dirname(name));
- free(name);
- }
|