Add a Qt main window

This is just an empty window with a File menu and a few items.
It shows how to hook up functions to menu actions.

Signed-off-by: Alberto Mardegan <mardy@users.sourceforge.net>

3 files changed, 222 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index c0114386c..59e2f9522 100644
--- a/Makefile
+++ b/Makefile
@@ -322,7 +322,7 @@ MOCFLAGS = $(filter -I%, $(CXXFLAGS) $(EXTRA_FLAGS)) $(filter -D%, $(CXXFLAGS) $
 	@echo '    MOC' $<
 	@$(MOC) -i $(MOCFLAGS) $< -o $@
 
-qt-gui.o: qt-gui.moc
+qt-gui.o: main-window.ui.h qt-gui.moc
 
 %.ui.h: ui/%.ui
 	@echo '    UIC' $<
diff --git a/qt-gui.cpp b/qt-gui.cpp
index 2e3f2c903..285f2082d 100644
--- a/qt-gui.cpp
+++ b/qt-gui.cpp
@@ -24,10 +24,14 @@
 #include "webservice.h"
 #include "version.h"
 #include "libdivecomputer.h"
+#include "main-window.ui.h"
 
 #include <gdk-pixbuf/gdk-pixbuf.h>
 #include <gdk-pixbuf/gdk-pixdata.h>
 #include <QApplication>
+#include <QFileDialog>
+#include <QFileInfo>
+#include <QStringList>
 #include <QTranslator>
 
 #if HAVE_OSM_GPS_MAP
@@ -1733,6 +1737,120 @@ static gboolean notebook_tooltip (GtkWidget *widget, gint x, gint y,
 	}
 }
 
+class MainWindow: public QMainWindow, private Ui::MainWindow
+{
+	Q_OBJECT
+
+public:
+	MainWindow(QWidget *parent = 0);
+	~MainWindow() {}
+
+	void setCurrentFileName(const QString &fileName);
+
+private Q_SLOTS:
+	void on_actionNew_triggered() { on_actionClose_triggered(); }
+	void on_actionOpen_triggered();
+	void on_actionSave_triggered() { file_save(NULL, NULL); }
+	void on_actionSaveAs_triggered() { file_save_as(NULL, NULL); }
+	void on_actionClose_triggered();
+
+private:
+	QStringList fileNameFilters() const;
+
+private:
+	QString m_currentFileName;
+};
+
+MainWindow::MainWindow(QWidget *parent):
+	QMainWindow(parent)
+{
+	setupUi(this);
+}
+
+void MainWindow::setCurrentFileName(const QString &fileName)
+{
+	if (fileName == m_currentFileName) return;
+	m_currentFileName = fileName;
+
+	QString title = tr("Subsurface");
+	if (!m_currentFileName.isEmpty()) {
+		QFileInfo fileInfo(m_currentFileName);
+		title += " - " + fileInfo.fileName();
+	}
+	setWindowTitle(title);
+}
+
+void MainWindow::on_actionOpen_triggered()
+{
+	QString defaultFileName = QString::fromUtf8(prefs.default_filename);
+	QFileInfo fileInfo(defaultFileName);
+
+	QFileDialog dialog(this, tr("Open File"), fileInfo.path());
+	dialog.setFileMode(QFileDialog::ExistingFile);
+	dialog.selectFile(defaultFileName);
+	dialog.setNameFilters(fileNameFilters());
+	if (dialog.exec()) {
+		/* first, close the existing file, if any */
+		file_close(NULL, NULL);
+
+		/* we know there is only one filename */
+		QString fileName = dialog.selectedFiles().first();
+		GError *error = NULL;
+		parse_file(fileName.toUtf8().constData(), &error);
+		if (error != NULL) {
+			report_error(error);
+			g_error_free(error);
+			error = NULL;
+		} else {
+			setCurrentFileName(fileName);
+		}
+		report_dives(FALSE, FALSE);
+	}
+}
+
+void MainWindow::on_actionClose_triggered()
+{
+	if (unsaved_changes())
+		if (ask_save_changes() == FALSE)
+			return;
+
+	setCurrentFileName(QString());
+
+	/* free the dives and trips */
+	while (dive_table.nr)
+		delete_single_dive(0);
+	mark_divelist_changed(FALSE);
+
+	/* clear the selection and the statistics */
+	selected_dive = 0;
+	process_selected_dives();
+	clear_stats_widgets();
+	clear_events();
+	show_dive_stats(NULL);
+
+	/* clear the equipment page */
+	clear_equipment_widgets();
+
+	/* redraw the screen */
+	dive_list_update_dives();
+	show_dive_info(NULL);
+}
+
+QStringList MainWindow::fileNameFilters() const
+{
+	QStringList filters;
+
+	filters << "*.xml *.uddf *.udcf *.jlb"
+#ifdef LIBZIP
+		" *.sde *.dld"
+#endif
+#ifdef SQLITE3
+		" *.db"
+#endif
+		;
+	return filters;
+}
+
 void init_ui(int *argcp, char ***argvp)
 {
 	GtkWidget *win;
@@ -1748,6 +1866,8 @@ void init_ui(int *argcp, char ***argvp)
 
 	application = new QApplication(*argcp, *argvp);
 	application->installTranslator(new Translator(application));
+	MainWindow *window = new MainWindow();
+	window->show();
 
 	gtk_init(argcp, argvp);
 	settings = gtk_settings_get_default();
diff --git a/ui/main-window.ui b/ui/main-window.ui
new file mode 100644
index 000000000..58ed198fd
--- /dev/null
+++ b/ui/main-window.ui
@@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>600</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Subsurface</string>
+  </property>
+  <widget class="QWidget" name="centralwidget"/>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>800</width>
+     <height>23</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menuFile">
+    <property name="title">
+     <string>File</string>
+    </property>
+    <addaction name="actionNew"/>
+    <addaction name="actionOpen"/>
+    <addaction name="actionSave"/>
+    <addaction name="actionSaveAs"/>
+    <addaction name="actionClose"/>
+   </widget>
+   <addaction name="menuFile"/>
+  </widget>
+  <widget class="QStatusBar" name="statusbar"/>
+  <action name="actionNew">
+   <property name="icon">
+    <iconset theme="document-new">
+     <normaloff/>
+    </iconset>
+   </property>
+   <property name="text">
+    <string>New</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+N</string>
+   </property>
+  </action>
+  <action name="actionOpen">
+   <property name="icon">
+    <iconset theme="document-open">
+     <normaloff/>
+    </iconset>
+   </property>
+   <property name="text">
+    <string>Open...</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+O</string>
+   </property>
+  </action>
+  <action name="actionSave">
+   <property name="icon">
+    <iconset theme="document-save"/>
+   </property>
+   <property name="text">
+    <string>Save...</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+S</string>
+   </property>
+  </action>
+  <action name="actionSaveAs">
+   <property name="icon">
+    <iconset theme="document-save-as"/>
+   </property>
+   <property name="text">
+    <string>Save As...</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+Shift+S</string>
+   </property>
+  </action>
+  <action name="actionClose">
+   <property name="icon">
+    <iconset theme="window-close"/>
+   </property>
+   <property name="text">
+    <string>Close</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+W</string>
+   </property>
+  </action>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>