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// SPDX-License-Identifier: GPL-2.0
/* main.c */
#include <locale.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include "core/dive.h"
#include "core/qt-gui.h"
#include "core/subsurfacestartup.h"
#include "desktop-widgets/mainwindow.h"
#include "desktop-widgets/tab-widgets/maintab.h"
#include "profile-widget/profilewidget2.h"
#include "desktop-widgets/preferences/preferencesdialog.h"
#include "desktop-widgets/diveplanner.h"
#include "core/color.h"
#include "core/qthelper.h"
#include "core/downloadfromdcthread.h" // for fill_computer_list
#include <QStringList>
#include <QApplication>
#include <QLoggingCategory>
#include <QOpenGLContext>
#include <QOffscreenSurface>
#include <QOpenGLFunctions>
#include <QQuickWindow>
#include <git2.h>
static bool filesOnCommandLine = false;
static void validateGL();
int main(int argc, char **argv)
{
int i;
bool no_filenames = true;
QLoggingCategory::setFilterRules(QStringLiteral("qt.bluetooth* = true"));
QApplication *application = new QApplication(argc, argv);
(void)application;
QStringList files;
QStringList importedFiles;
QStringList arguments = QCoreApplication::arguments();
bool win32_log = arguments.length() > 1 &&
(arguments.at(1) == QString("--win32log"));
if (win32_log) {
subsurface_console_init(true, true);
} else {
bool dedicated_console = arguments.length() > 1 &&
(arguments.at(1) == QString("--win32console"));
subsurface_console_init(dedicated_console, false);
}
validateGL();
const char *default_directory = system_default_directory();
const char *default_filename = system_default_filename();
subsurface_mkdir(default_directory);
for (i = 1; i < arguments.length(); i++) {
QString a = arguments.at(i);
if (a.isEmpty())
continue;
if (a.at(0) == '-') {
parse_argument(a.toLocal8Bit().data());
continue;
}
if (imported) {
importedFiles.push_back(a);
} else {
no_filenames = false;
files.push_back(a);
}
}
if (subsurface_user_is_root() && !force_root) {
printf("You are running Subsurface as root. This is not recommended.\n");
printf("If you insist to do so, run with option --allow_run_as_root.\n");
exit(0);
}
#if !LIBGIT2_VER_MAJOR && LIBGIT2_VER_MINOR < 22
git_threads_init();
#else
git_libgit2_init();
#endif
/*
* Initialize the random number generator - not really secure as
* this is based only on current time, but it should not matter
* that much in our context. Moreover this is better than
* the constant numbers we used to get before.
*/
qsrand(time(NULL));
setup_system_prefs();
copy_prefs(&default_prefs, &prefs);
fill_profile_color();
fill_computer_list();
parse_xml_init();
taglist_init_global();
init_ui();
if (no_filenames) {
if (prefs.default_file_behavior == LOCAL_DEFAULT_FILE) {
QString defaultFile(prefs.default_filename);
if (!defaultFile.isEmpty())
files.push_back(QString(prefs.default_filename));
} else if (prefs.default_file_behavior == CLOUD_DEFAULT_FILE) {
QString cloudURL;
if (getCloudURL(cloudURL) == 0)
files.push_back(cloudURL);
}
}
MainWindow *m = MainWindow::instance();
filesOnCommandLine = !files.isEmpty() || !importedFiles.isEmpty();
if (verbose && !files.isEmpty())
qDebug() << "loading dive data from" << files;
m->loadFiles(files);
if (verbose && !importedFiles.isEmpty())
qDebug() << "importing dive data from" << importedFiles;
m->importFiles(importedFiles);
if (verbose > 0) {
print_files();
printf("%s\n", QStringLiteral("build with Qt Version %1, runtime from Qt Version %2").arg(QT_VERSION_STR).arg(qVersion()).toUtf8().data());
}
if (!quit)
run_ui();
exit_ui();
taglist_free(g_tag_list);
parse_xml_exit();
free((void *)default_directory);
free((void *)default_filename);
subsurface_console_exit();
free_prefs();
return 0;
}
bool haveFilesOnCommandLine()
{
return filesOnCommandLine;
}
void validateGL()
{
GLint verMajor, verMinor;
const char *glError = NULL;
QOpenGLContext ctx;
QOffscreenSurface surface;
QOpenGLFunctions *func;
surface.setFormat(ctx.format());
surface.create();
if (!ctx.create()) {
glError = "Cannot create OpenGL context";
goto exit;
}
ctx.makeCurrent(&surface);
func = ctx.functions();
if (!func) {
glError = "Cannot obtain QOpenGLFunctions";
goto exit;
}
func->glGetIntegerv(GL_MAJOR_VERSION, &verMajor);
func->glGetIntegerv(GL_MINOR_VERSION, &verMinor);
if (verMajor * 10 + verMinor < 21) // set 2.1 as the minimal version
glError = "OpenGL 2.1 or later is required";
exit:
ctx.makeCurrent(NULL);
surface.destroy();
if (glError) {
#if QT_VERSION < QT_VERSION_CHECK(5, 8, 0)
fprintf(stderr, "ERROR: %s.\n"
"Cannot automatically fallback to a software renderer!\n"
"Set the environment variable 'QT_QUICK_BACKEND' with the value of 'software'\n"
"before running Subsurface!\n",
glError);
exit(0);
#else
fprintf(stderr, "WARNING: %s. Using a software renderer!\n", glError);
QQuickWindow::setSceneGraphBackend(QSGRendererInterface::Software);
#endif
}
}
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