From 6a5d4d8e2962ae5665bf33c06c8f3b465ab56f8b Mon Sep 17 00:00:00 2001
From: Nikolay <MPolianovskyi@wavesglobal.com>
Date: Wed, 12 Nov 2014 13:07:37 +0200
Subject: [PATCH] [Summary] Implemented Yes-No Dialog [Reviewed] GZharun

---
 gtk2_ardour/ui/yes_no_dialog.xml |  57 ++++++++++++
 gtk2_ardour/wscript              |   3 +-
 gtk2_ardour/yes_no_dialog.cc     | 149 +++++++++++++++++++++++++++++++
 gtk2_ardour/yes_no_dialog.h      |  46 ++++++++++
 4 files changed, 254 insertions(+), 1 deletion(-)
 create mode 100644 gtk2_ardour/ui/yes_no_dialog.xml
 create mode 100644 gtk2_ardour/yes_no_dialog.cc
 create mode 100644 gtk2_ardour/yes_no_dialog.h

diff --git a/gtk2_ardour/ui/yes_no_dialog.xml b/gtk2_ardour/ui/yes_no_dialog.xml
new file mode 100644
index 0000000000..b0cee88bb4
--- /dev/null
+++ b/gtk2_ardour/ui/yes_no_dialog.xml
@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Dialog title=""
+    resizeable="False"
+    winfont ="Arial Bold 12"
+    macfont ="Helvetica Bold 12"
+    fgnormal="#6D6E72">
+    
+    <style name="generic_control"
+    winfont ="Arial Bold 12"
+    macfont ="Helvetica Bold 12"
+    fgnormal="#6D6E72"
+    horzalignment="center"
+    justify="center"/>
+    
+    <Layout id="layout"
+        width="350"
+        height="120"
+        bgnormal="#EDECE8">
+        <VBox x="0"
+            y="10"
+            width="350">
+            <Label id="info_label"
+            style="generic_control"
+            text=""/>
+        </VBox>
+        
+        <Button id="yes_button"
+        style="generic_control"
+        text="YES"
+        fgnormal="#6D6E72"
+        bgnormal="#CACAC5"
+        fgactive="#EDECE8"
+        bgactive="#6D6E72"
+        borderwidth="0 0 0 0"
+        bordercolor="#6D6E72"
+        width="80"
+        height="22"
+        x="170"
+        y="93"/>
+        
+        <Button id="no_button"
+        style="generic_control"
+        text="NO"
+        fgnormal="#6D6E72"
+        bgnormal="#CACAC5"
+        fgactive="#EDECE8"
+        bgactive="#6D6E72"
+        borderwidth="0 0 0 0"
+        bordercolor="#6D6E72"
+        width="80"
+        height="22"
+        x="260"
+        y="93"/>
+        
+    </Layout>
+    
+</Dialog>
\ No newline at end of file
diff --git a/gtk2_ardour/wscript b/gtk2_ardour/wscript
index 86f68343ac..7dd5b46892 100644
--- a/gtk2_ardour/wscript
+++ b/gtk2_ardour/wscript
@@ -275,7 +275,8 @@ gtk2_ardour_sources = [
         'video_server_dialog.cc',
         'utils_videotl.cc',
         'export_video_dialog.cc',
-        'export_video_infobox.cc'
+        'export_video_infobox.cc',
+        'yes_no_dialog.cc'
 ]
 if sys.platform == 'darwin':
     gtk2_ardour_sources.append('open_file_dialog.mm')
diff --git a/gtk2_ardour/yes_no_dialog.cc b/gtk2_ardour/yes_no_dialog.cc
new file mode 100644
index 0000000000..e6fa44e35f
--- /dev/null
+++ b/gtk2_ardour/yes_no_dialog.cc
@@ -0,0 +1,149 @@
+/*
+ Copyright (C) 2014 Waves Audio Ltd.
+ 
+ This program 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 program 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 program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ 
+ */
+
+#include "i18n.h"
+#include "yes_no_dialog.h"
+
+using namespace Gtk;
+using namespace Gdk;
+using namespace std;
+using namespace ARDOUR;
+using namespace PBD;
+using namespace Pango;
+
+namespace  {
+    const size_t button_left_padding = 10;
+    const size_t button_bottom_padding = 10;
+    const size_t font_size = 12;
+    const size_t label_top_padding = 10;
+    const size_t between_button_padding = 5;
+    
+    size_t count_lines(const std::string& str)
+    {
+        std::string::const_iterator beg = str.begin();
+        std::string::const_iterator end = str.end();
+        std::string::size_type count = 0;
+        string delimeter = "\n";
+        
+        while ((beg + (delimeter.size() - 1)) != end)
+        {
+            std::string tmp(beg, beg + delimeter.size());
+            if (tmp == delimeter)
+            {
+                ++count;
+            }
+            ++beg;
+        }
+        return count+1;
+    }
+    
+    int calculate_window_height (size_t current_window_height, size_t button_height, size_t font_size, size_t current_lines_number)
+    {
+        int label_max_height = (current_window_height - label_top_padding - button_height - button_bottom_padding);
+        int max_lines_number = label_max_height / font_size;
+        
+        if ( current_lines_number > max_lines_number )
+        {
+            return current_window_height + (current_lines_number - max_lines_number) * font_size;
+        } else
+            return current_window_height;
+    }
+}
+
+
+/*
+ 
+ */
+YesNoDialog::YesNoDialog (std::string window_title, std::string info_lines)
+: WavesDialog ( _("yes_no_dialog.xml"), true, false )
+, _yes_button ( get_waves_button ("yes_button") )
+, _no_button ( get_waves_button ("no_button") )
+, _info_label ( get_label("info_label") )
+, _layout ( get_layout("layout") )
+{
+	set_modal (true);
+	set_resizable (false);
+    
+    _info_label.set_text( info_lines );
+    this->set_title(window_title);
+    
+    // Recalculate window height if needed
+    std::size_t new_window_height = 0;
+    
+    size_t current_window_height;
+    this->realize();
+    current_window_height = this->get_allocation().get_height();
+    size_t button_height = _yes_button.get_allocation().get_height();
+    
+    new_window_height = calculate_window_height( current_window_height, button_height, font_size, count_lines(info_lines) );
+    // end recalculating
+    
+    // Resize window height
+    if ( new_window_height > current_window_height ) {
+        
+        this->realize(); // must be for correct work of get_width,height functions
+        
+        guint layout_width, layout_height;
+        layout_width = _layout.get_allocation().get_width();
+        _layout.set_size_request (layout_width, new_window_height);
+        
+        guint button_width, button_height;
+        button_width = _yes_button.get_allocation().get_width();
+        button_height = _yes_button.get_allocation().get_height();
+        
+        _layout.put( _no_button, layout_width - button_width - button_left_padding, new_window_height - button_height - button_bottom_padding);
+        _layout.put( _yes_button, layout_width - 2*button_width - button_left_padding - between_button_padding, new_window_height - button_height - button_bottom_padding);
+    }
+    
+    _yes_button.signal_clicked.connect (sigc::mem_fun (*this, &YesNoDialog::yes_button_pressed));
+    _no_button.signal_clicked.connect (sigc::mem_fun (*this, &YesNoDialog::no_button_pressed));
+	show_all ();
+}
+
+void
+YesNoDialog::on_esc_pressed ()
+{
+    hide ();
+    response (Gtk::RESPONSE_NO);
+}
+
+void
+YesNoDialog::on_enter_pressed ()
+{
+    hide ();
+    response (Gtk::RESPONSE_YES);
+}
+
+void
+YesNoDialog::yes_button_pressed (WavesButton*)
+{
+    hide ();
+    response (Gtk::RESPONSE_YES);
+}
+
+void
+YesNoDialog::no_button_pressed (WavesButton*)
+{
+    hide ();
+    response (Gtk::RESPONSE_NO);
+}
+
+YesNoDialog::~YesNoDialog ()
+{
+}
diff --git a/gtk2_ardour/yes_no_dialog.h b/gtk2_ardour/yes_no_dialog.h
new file mode 100644
index 0000000000..447a3edb7c
--- /dev/null
+++ b/gtk2_ardour/yes_no_dialog.h
@@ -0,0 +1,46 @@
+/*
+ Copyright (C) 2014 Waves Audio Ltd.
+ 
+ This program 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 program 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 program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ 
+ */
+
+#ifndef __yes_no_dialog_h__
+#define __yes_no_dialog_h__
+
+#include "waves_dialog.h"
+#include "ardour_button.h"
+
+class YesNoDialog : public WavesDialog
+{
+public:
+    YesNoDialog(std::string window_title, std::string info_lines);
+    ~YesNoDialog();
+    
+protected:
+    void on_esc_pressed ();
+    void on_enter_pressed ();
+    
+private:
+    void no_button_pressed (WavesButton*);
+    void yes_button_pressed (WavesButton*);
+    WavesButton& _yes_button;
+    WavesButton& _no_button;
+    
+    Gtk::Label& _info_label;
+    Gtk::Layout& _layout;
+};
+
+#endif /* __yes_no_dialog_h__ */