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<h1>gettexter/main.cc</h1><p>A silly application getting text. </p>
<div class="fragment"><pre class="fragment"><span class="comment">/* gtterminal.h</span>
<span class="comment"> *</span>
<span class="comment"> * Copyright (C) 2008, 2009 libvtemm Development Team</span>
<span class="comment"> *</span>
<span class="comment"> * This file is part of GetTexter Example.</span>
<span class="comment"> *</span>
<span class="comment"> * GetTexter Example is free software: you can redistribute it and/or modify</span>
<span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<span class="comment"> * the Free Software Foundation, either version 3 of the License, or</span>
<span class="comment"> * (at your option) any later version.</span>
<span class="comment"> *</span>
<span class="comment"> * GetTexter Example is distributed in the hope that it will be useful,</span>
<span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<span class="comment"> * GNU General Public License for more details.</span>
<span class="comment"> *</span>
<span class="comment"> * You should have received a copy of the GNU General Public License</span>
<span class="comment"> * along with GetTexter Example. If not, see <http://www.gnu.org/licenses/>.</span>
<span class="comment"> */</span>
<span class="preprocessor">#ifndef _LIBVTEMM_EXAMPLE_GTTERMINAL_H_</span>
<span class="preprocessor"></span><span class="preprocessor">#define _LIBVTEMM_EXAMPLE_GTTERMINAL_H_</span>
<span class="preprocessor"></span>
<span class="preprocessor">#include <gtkmm.h></span>
<span class="preprocessor">#include <libvtemm/terminal.h></span>
<span class="keyword">class </span>GtTerminal : <span class="keyword">public</span> Gnome::Vte::Terminal
{
<span class="keyword">public</span>:
GtTerminal();
<span class="keyword">virtual</span> ~GtTerminal();
<a name="_a0"></a><a class="codeRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ustring.html">Glib::ustring</a> get_every_second();
<span class="keyword">protected</span>:
<span class="comment">// Method passed to get_text method.</span>
<span class="keyword">virtual</span> <span class="keywordtype">bool</span> on_get_every_second(<span class="keywordtype">long</span>, <span class="keywordtype">long</span>);
<span class="keyword">private</span>:
<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> counter;
};
<span class="preprocessor">#endif // _LIBVTEMM_EXAMPLE_GTTERMINAL_H_</span>
</pre></div> <div class="fragment"><pre class="fragment"><span class="comment">/* gtterminal.cc</span>
<span class="comment"> *</span>
<span class="comment"> * Copyright (C) 2008, 2009 libvtemm Development Team</span>
<span class="comment"> *</span>
<span class="comment"> * This file is part of GetTexter Example.</span>
<span class="comment"> *</span>
<span class="comment"> * GetTexter Example is free software: you can redistribute it and/or modify</span>
<span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<span class="comment"> * the Free Software Foundation, either version 3 of the License, or</span>
<span class="comment"> * (at your option) any later version.</span>
<span class="comment"> *</span>
<span class="comment"> * GetTexter Example is distributed in the hope that it will be useful,</span>
<span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<span class="comment"> * GNU General Public License for more details.</span>
<span class="comment"> *</span>
<span class="comment"> * You should have received a copy of the GNU General Public License</span>
<span class="comment"> * along with GetTexter Example. If not, see <http://www.gnu.org/licenses/>.</span>
<span class="comment"> */</span>
<span class="preprocessor">#include "gtterminal.h"</span>
GtTerminal::GtTerminal()
:
Gnome::Vte::Terminal(),
counter(0)
{
set_size(80, 24);
}
GtTerminal::~GtTerminal()
{}
<span class="comment">// Returns true for every second cell.</span>
<span class="keywordtype">bool</span>
GtTerminal::on_get_every_second(<span class="keywordtype">long</span>, <span class="keywordtype">long</span>)
{
<span class="keywordtype">bool</span> odd = <span class="keyword">false</span>;
<span class="keywordflow">if</span> (counter % 2)
{
odd = <span class="keyword">true</span>;
}
<span class="keywordflow">else</span>
{
odd = <span class="keyword">false</span>;
}
counter++;
<span class="keywordflow">return</span> odd;
}
<a class="codeRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ustring.html">Glib::ustring</a>
GtTerminal::get_every_second()
{
<a class="codeRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ustring.html">Glib::ustring</a> text(get_text(<a name="a1"></a><a class="codeRef" href="../../../libsigc++-2.0/reference/html/group__mem__fun.html#ga7d9ea809173f48bf5c76cf1989591602">sigc::mem_fun</a>(*<span class="keyword">this</span>, &GtTerminal::on_get_every_second)).get_text());
<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> text_len = text.size();
<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> to_erase = 0;
<span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> iter = text_len - 1; <span class="keyword">true</span>; iter--)
{
gunichar uc = text[iter];
<span class="keywordflow">if</span> ((uc == <span class="charliteral">'\n'</span>) || (uc == <span class="charliteral">'\r'</span>))
{
to_erase++;
}
<span class="keywordflow">else</span> <span class="keywordflow">if</span> (to_erase)
{
text.erase(iter + 1, to_erase);
to_erase = 0;
}
<span class="keywordflow">if</span> (!iter)
{
<span class="keywordflow">break</span>;
}
}
counter = 0;
<span class="keywordflow">return</span> text;
}
</pre></div> <div class="fragment"><pre class="fragment"><span class="comment">/* gettexter.h</span>
<span class="comment"> *</span>
<span class="comment"> * Copyright (C) 2008, 2009 libvtemm Development Team</span>
<span class="comment"> *</span>
<span class="comment"> * This file is part of GetTexter Example.</span>
<span class="comment"> *</span>
<span class="comment"> * GetTexter Example is free software: you can redistribute it and/or modify</span>
<span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<span class="comment"> * the Free Software Foundation, either version 3 of the License, or</span>
<span class="comment"> * (at your option) any later version.</span>
<span class="comment"> *</span>
<span class="comment"> * GetTexter Example is distributed in the hope that it will be useful,</span>
<span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<span class="comment"> * GNU General Public License for more details.</span>
<span class="comment"> *</span>
<span class="comment"> * You should have received a copy of the GNU General Public License</span>
<span class="comment"> * along with GetTexter Example. If not, see <http://www.gnu.org/licenses/>.</span>
<span class="comment"> */</span>
<span class="preprocessor">#ifndef _LIBVTEMM_EXAMPLE_GETTEXTER_H_</span>
<span class="preprocessor"></span><span class="preprocessor">#define _LIBVTEMM_EXAMPLE_GETTEXTER_H_</span>
<span class="preprocessor"></span>
<span class="preprocessor">#include <gtkmm.h></span>
<span class="preprocessor">#include "gtterminal.h"</span>
<span class="keyword">class </span>GetTexter : <span class="keyword">public</span> Gtk::Window
{
<span class="keyword">public</span>:
GetTexter();
<span class="keyword">virtual</span> ~GetTexter();
<span class="keyword">protected</span>:
<span class="comment">// Signal handlers:</span>
<span class="keyword">virtual</span> <span class="keywordtype">void</span> on_get_every_second_button_clicked();
<span class="keyword">virtual</span> <span class="keywordtype">void</span> on_get_only_a_button_clicked();
<span class="keyword">virtual</span> <span class="keywordtype">void</span> on_entry_activated();
<span class="keyword">private</span>:
<span class="comment">// Member widgets:</span>
<a name="_a2"></a><a class="codeRef" href="../../../gtkmm-2.4/reference/html/classGtk_1_1VBox.html">Gtk::VBox</a> m_main_box;
<a name="_a3"></a><a class="codeRef" href="../../../gtkmm-2.4/reference/html/classGtk_1_1HBox.html">Gtk::HBox</a> m_term_box;
GtTerminal m_terminal;
<a name="_a4"></a><a class="codeRef" href="../../../gtkmm-2.4/reference/html/classGtk_1_1VScrollbar.html">Gtk::VScrollbar</a> m_scrollbar;
<a name="_a5"></a><a class="codeRef" href="../../../gtkmm-2.4/reference/html/classGtk_1_1Label.html">Gtk::Label</a> m_label;
<a name="_a6"></a><a class="codeRef" href="../../../gtkmm-2.4/reference/html/classGtk_1_1Entry.html">Gtk::Entry</a> m_entry;
<a name="_a7"></a><a class="codeRef" href="../../../gtkmm-2.4/reference/html/classGtk_1_1HButtonBox.html">Gtk::HButtonBox</a> m_button_box;
<a name="_a8"></a><a class="codeRef" href="../../../gtkmm-2.4/reference/html/classGtk_1_1Button.html">Gtk::Button</a> m_get_every_second_button;
<a class="codeRef" href="../../../gtkmm-2.4/reference/html/classGtk_1_1Button.html">Gtk::Button</a> m_get_only_a_button;
};
<span class="preprocessor">#endif // _LIBVTEMM_EXAMPLE_GETTEXTER_H_</span>
</pre></div> <div class="fragment"><pre class="fragment"><span class="comment">/* gettexter.cc</span>
<span class="comment"> *</span>
<span class="comment"> * Copyright (C) 2008, 2009 libvtemm Development Team</span>
<span class="comment"> *</span>
<span class="comment"> * This file is part of GetTexter Example.</span>
<span class="comment"> *</span>
<span class="comment"> * GetTexter Example is free software: you can redistribute it and/or modify</span>
<span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<span class="comment"> * the Free Software Foundation, either version 3 of the License, or</span>
<span class="comment"> * (at your option) any later version.</span>
<span class="comment"> *</span>
<span class="comment"> * GetTexter Example is distributed in the hope that it will be useful,</span>
<span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<span class="comment"> * GNU General Public License for more details.</span>
<span class="comment"> *</span>
<span class="comment"> * You should have received a copy of the GNU General Public License</span>
<span class="comment"> * along with GetTexter Example. If not, see <http://www.gnu.org/licenses/>.</span>
<span class="comment"> */</span>
<span class="preprocessor">#include <<a class="codeRef" href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a00901.html">iostream</a>></span>
<span class="preprocessor">#include "gettexter.h"</span>
GetTexter::GetTexter()
:
m_main_box(),
m_term_box(),
m_terminal(),
m_scrollbar(m_terminal.get_adjustment()),
m_label(),
m_entry(),
m_button_box(Gtk::<a class="codeRef" href="../../../gtkmm-2.4/reference/html/namespaceGtk.html#af8380aa1633c0cc444fa28086237e056aedf018450094d8289348faa15491d6b2">BUTTONBOX_SPREAD</a>),
m_get_every_second_button(<span class="stringliteral">"Get every second"</span>),
m_get_only_a_button(<span class="stringliteral">"Get only 'a'"</span>)
{
<span class="comment">// Pack everything.</span>
<a class="codeRef" href="../../../gtkmm-2.4/reference/html/namespaceGtk_1_1Stock.html#af5a3d62d679e3dd162bd77ac76205105">add</a>(m_main_box);
m_main_box.pack_start(m_term_box);
m_main_box.pack_start(m_label, <span class="keyword">false</span>, <span class="keyword">true</span>);
m_main_box.pack_start(m_entry, <span class="keyword">false</span>, <span class="keyword">true</span>);
m_main_box.pack_start(m_button_box, <span class="keyword">false</span>, <span class="keyword">true</span>);
m_term_box.pack_start(m_terminal);
m_term_box.pack_start(m_scrollbar);
m_button_box.pack_start(m_get_every_second_button);
m_button_box.pack_start(m_get_only_a_button);
<span class="comment">// Set geometry hints, so resizing will work nicely.</span>
<a class="codeRef" href="../../../gtkmm-2.4/reference/html/namespaceGdk.html#af6948e754cab4e79c6430fb94e438d83">Gdk::Geometry</a> hints;
<a class="codeRef" href="../../../gtkmm-2.4/reference/html/namespaceGtk.html#a0aed0ea6fbd347e76872f23f9313545e">Gtk::Border</a> inner_border;
m_terminal.get_style_property(<span class="stringliteral">"inner-border"</span>, inner_border);
hints.base_width = inner_border.left + inner_border.right;
hints.base_height = inner_border.top + inner_border.bottom;
hints.width_inc = m_terminal.get_char_width();
hints.height_inc = m_terminal.get_char_height();
<span class="keyword">const</span> <span class="keywordtype">int</span> min_width_chars = 4;
<span class="keyword">const</span> <span class="keywordtype">int</span> min_height_chars = 2;
hints.min_width = hints.base_width + hints.width_inc * min_width_chars;
hints.min_height = hints.base_height + hints.height_inc * min_height_chars;
set_geometry_hints(m_terminal, hints, <a name="a9"></a><a class="codeRef" href="../../../gtkmm-2.4/reference/html/group__gdkmmEnums.html#gga7dd31e80216f3452a1e080bd22fcfd9cae225c378cd4334c2615a8435d7d0ad6a">Gdk::HINT_RESIZE_INC</a> | <a name="a10"></a><a class="codeRef" href="../../../gtkmm-2.4/reference/html/group__gdkmmEnums.html#gga7dd31e80216f3452a1e080bd22fcfd9ca2acd5d248d5280290d4ef8a1669578af">Gdk::HINT_MIN_SIZE</a> | <a name="a11"></a><a class="codeRef" href="../../../gtkmm-2.4/reference/html/group__gdkmmEnums.html#gga7dd31e80216f3452a1e080bd22fcfd9ca2ec7605e5e173f09ac7cc9c31e8f0c38">Gdk::HINT_BASE_SIZE</a>);
<span class="comment">// Set focus and default action on entry.</span>
m_entry.set_flags(<a name="a12"></a><a class="codeRef" href="../../../gtkmm-2.4/reference/html/group__gtkmmEnums.html#gga3d42e9e6671e48764b3b42bcc8da0b47adb2ae38c34591e0b352336f576033ffe">Gtk::CAN_FOCUS</a> | <a name="a13"></a><a class="codeRef" href="../../../gtkmm-2.4/reference/html/group__gtkmmEnums.html#gga3d42e9e6671e48764b3b42bcc8da0b47af4d68bafb695d9cdbfd69add0cdf475f">Gtk::CAN_DEFAULT</a>);
m_entry.grab_focus();
m_entry.grab_default();
<span class="comment">// Set activation signal on entry (it will be executed when enter or return</span>
<span class="comment">// is pressed).</span>
m_entry.signal_activate().connect(<a class="codeRef" href="../../../libsigc++-2.0/reference/html/group__mem__fun.html#ga7d9ea809173f48bf5c76cf1989591602">sigc::mem_fun</a>(*<span class="keyword">this</span>, &GetTexter::on_entry_activated));
<span class="comment">// Connect signals to buttons.</span>
m_get_every_second_button.signal_clicked().connect(<a class="codeRef" href="../../../libsigc++-2.0/reference/html/group__mem__fun.html#ga7d9ea809173f48bf5c76cf1989591602">sigc::mem_fun</a>(*<span class="keyword">this</span>, &GetTexter::on_get_every_second_button_clicked));
m_get_only_a_button.signal_clicked().connect(<a class="codeRef" href="../../../libsigc++-2.0/reference/html/group__mem__fun.html#ga7d9ea809173f48bf5c76cf1989591602">sigc::mem_fun</a>(*<span class="keyword">this</span>, &GetTexter::on_get_only_a_button_clicked));
set_title(<span class="stringliteral">"GetTexter example"</span>);
show_all_children();
}
GetTexter::~GetTexter()
{}
<span class="comment">// Gnome::Vte::Terminal::get_text() gets whole screen, so it has lots of</span>
<span class="comment">// newlines, which are stripped here.</span>
<span class="keywordtype">void</span>
GetTexter::on_get_every_second_button_clicked()
{
m_label.set_text(m_terminal.get_every_second());
}
<span class="comment">// This method use Gnome::Vte::Terminal::get_text and count number of 'a'</span>
<span class="comment">// occurences and sets label with string consisting of that number of 'a's.</span>
<span class="keywordtype">void</span>
GetTexter::on_get_only_a_button_clicked()
{
<a class="codeRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ustring.html">Glib::ustring</a> text(m_terminal.get_text(<a name="a14"></a><a class="codeRef" href="../../../libsigc++-2.0/reference/html/group__ptr__fun.html#gada8b678665c14dc85eb32d25b7299465">sigc::ptr_fun</a>(&<a name="a15"></a><a class="code" href="classGnome_1_1Vte_1_1Terminal.html#a1dc87fc8645d9385f40c049ee6f2baa3" title="Convenience callback, which always returns true.">Gnome::Vte::Terminal::always_selected</a>)).get_text());
<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> counter = 0;
<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> text_len = text.size();
<span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> iter = 0; iter < text_len; iter++)
{
<span class="keywordflow">if</span> (text[iter] == <span class="charliteral">'a'</span>)
{
counter++;
}
}
m_label.set_text(<a class="codeRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ustring.html">Glib::ustring</a>(counter, <span class="charliteral">'a'</span>));
}
<span class="comment">// Appends carriage return and newline to text from entry and feeds the terminal</span>
<span class="comment">// with it. Without carriage return cursor will move to cell (row + 1, column)</span>
<span class="comment">// instead of cell (row + 1, 0).</span>
<span class="keywordtype">void</span>
GetTexter::on_entry_activated()
{
m_terminal.feed(m_entry.get_text() + <span class="stringliteral">"\r\n"</span>);
m_entry.set_text(<a class="codeRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ustring.html">Glib::ustring</a>());
}
</pre></div><div class="fragment"><pre class="fragment"><span class="comment">/* main.cc</span>
<span class="comment"> *</span>
<span class="comment"> * Copyright (C) 2008, 2009 libvtemm Development Team</span>
<span class="comment"> *</span>
<span class="comment"> * This file is part of GetTexter Example.</span>
<span class="comment"> *</span>
<span class="comment"> * GetTexter Example is free software: you can redistribute it and/or modify</span>
<span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<span class="comment"> * the Free Software Foundation, either version 3 of the License, or</span>
<span class="comment"> * (at your option) any later version.</span>
<span class="comment"> *</span>
<span class="comment"> * GetTexter Example is distributed in the hope that it will be useful,</span>
<span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<span class="comment"> * GNU General Public License for more details.</span>
<span class="comment"> *</span>
<span class="comment"> * You should have received a copy of the GNU General Public License</span>
<span class="comment"> * along with GetTexter Example. If not, see <http://www.gnu.org/licenses/>.</span>
<span class="comment"> */</span>
<span class="preprocessor">#include <gtkmm.h></span>
<span class="preprocessor">#include <libvtemm/init.h></span>
<span class="preprocessor">#include "gettexter.h"</span>
<span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[])
{
<a name="_a16"></a><a class="codeRef" href="../../../gtkmm-2.4/reference/html/classGtk_1_1Main.html">Gtk::Main</a> kit(argc, argv);
Gnome::Vte::init();
GetTexter window;
<a name="a17"></a><a class="codeRef" href="../../../gtkmm-2.4/reference/html/classGtk_1_1Main.html#a6a8904c35952006d13cb07c1d0c16c10">Gtk::Main::run</a>(window);
<span class="keywordflow">return</span> 0;
}
</pre></div> </div>
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