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<hr><h1>gtk_displayer.cpp</h1><a href="gtk__displayer_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2001 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025
00026 <font class="preprocessor">#include "<a class="code" href="stdmisc_8h.html">stdmisc.h</a>"</font>
00027
00028 <font class="preprocessor">#ifdef NL_USE_GTK</font>
00029 <font class="preprocessor"></font>
00030 <font class="preprocessor">#include <gtk/gtk.h></font>
00031 <font class="preprocessor">#include <gdk/gdkkeysyms.h></font>
00032
00033 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00034 <font class="preprocessor"></font><font class="comment">// automatically add gtk library</font>
00035 <font class="preprocessor">#pragma comment(lib, "gtk-1.3.lib")</font>
00036 <font class="preprocessor"></font><font class="preprocessor">#pragma comment(lib, "gdk-1.3.lib")</font>
00037 <font class="preprocessor"></font><font class="preprocessor">#pragma comment(lib, "glib-1.3.lib")</font>
00038 <font class="preprocessor"></font><font class="preprocessor">#pragma comment(lib, "gthread-1.3.lib")</font>
00039 <font class="preprocessor"></font><font class="preprocessor">#endif</font>
00040 <font class="preprocessor"></font>
00041 <font class="preprocessor">#include <iostream></font>
00042 <font class="preprocessor">#include <fstream></font>
00043 <font class="preprocessor">#include <iomanip></font>
00044 <font class="preprocessor">#include <signal.h></font>
00045
00046 <font class="preprocessor">#include "<a class="code" href="path_8h.html">nel/misc/path.h</a>"</font>
00047 <font class="preprocessor">#include "<a class="code" href="command_8h.html">nel/misc/command.h</a>"</font>
00048 <font class="preprocessor">#include "<a class="code" href="thread_8h.html">nel/misc/thread.h</a>"</font>
00049
00050 <font class="preprocessor">#include "<a class="code" href="gtk__displayer_8h.html">nel/misc/gtk_displayer.h</a>"</font>
00051
00052 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00053
00054 <font class="keyword">namespace </font>NLMISC {
00055
00056 GtkWidget *RootWindow = NULL, *OutputText = NULL, *InputText = NULL, *hrootbox = NULL;
00057
00058 CGtkDisplayer::~CGtkDisplayer ()
00059 {
00060 <font class="keywordflow">if</font> (_Init)
00061 {
00062 }
00063 }
00064
00065 <font class="keywordtype">void</font> CGtkDisplayer::updateLabels ()
00066 {
00067 {
00068 CSynchronized<std::vector<CLabelEntry> >::CAccessor access (&_Labels);
00069 <font class="keywordflow">for</font> (<a class="code" href="types__nl_8h.html#a14">uint</a> i = 0; i < access.value().size(); i++)
00070 {
00071 <font class="keywordflow">if</font> (access.value()[i].Hwnd == NULL)
00072 {
00073 access.value()[i].Hwnd = gtk_label_new (<font class="stringliteral">""</font>);
00074 gtk_label_set_justify (GTK_LABEL (access.value()[i].Hwnd), GTK_JUSTIFY_LEFT);
00075 gtk_label_set_line_wrap (GTK_LABEL (access.value()[i].Hwnd), FALSE);
00076 gtk_widget_show (GTK_WIDGET (access.value()[i].Hwnd));
00077 gtk_box_pack_start (GTK_BOX (hrootbox), GTK_WIDGET (access.value()[i].Hwnd), TRUE, TRUE, 0);
00078 }
00079 <font class="keywordflow">if</font> (!access.value()[i].Value.empty())
00080 {
00081 gtk_label_set_text (GTK_LABEL (access.value()[i].Hwnd), access.value()[i].Value.c_str());
00082 access.value()[i].Value = <font class="stringliteral">""</font>;
00083 }
00084 }
00085 }
00086 }
00087
00088 <font class="comment">// windows delete event => quit</font>
00089 gint delete_event (GtkWidget *widget, GdkEvent *event, gpointer <a class="code" href="driver__opengl__extension__def_8h.html#a271">data</a>)
00090 {
00091 gtk_main_quit();
00092
00093 exit(1);
00094 <font class="keywordflow">return</font> FALSE;
00095 }
00096
00097 vector<string> CommandHistory;
00098 <a class="code" href="types__nl_8h.html#a10">uint32</a> CommandHistoryPos = 0;
00099
00100 gint KeyIn(GtkWidget *Widget, GdkEventKey *Event, gpointer *Data)
00101 {
00102 <font class="keywordflow">switch</font> (Event->keyval)
00103 {
00104 <font class="keywordflow">case</font> GDK_Escape : gtk_entry_set_text (GTK_ENTRY(Widget), <font class="stringliteral">""</font>); <font class="keywordflow">break</font>;
00105 <font class="keywordflow">case</font> GDK_Up : <font class="keywordflow">if</font> (CommandHistoryPos > 0) { CommandHistoryPos--; gtk_entry_set_text (GTK_ENTRY(Widget), CommandHistory[CommandHistoryPos].c_str()); } <font class="keywordflow">break</font>;
00106 <font class="keywordflow">case</font> GDK_Down : <font class="keywordflow">if</font> (CommandHistoryPos + 1 < CommandHistory.size()) { CommandHistoryPos++; gtk_entry_set_text (GTK_ENTRY(Widget), CommandHistory[CommandHistoryPos].c_str()); } <font class="keywordflow">break</font>;
00107 <font class="keywordflow">case</font> GDK_KP_Enter : gtk_signal_emit_by_name(GTK_OBJECT(Widget),<font class="stringliteral">"activate"</font>); <font class="keywordflow">return</font> FALSE; <font class="keywordflow">break</font>;
00108 <font class="keywordflow">default</font> : <font class="keywordflow">return</font> FALSE;
00109 }
00110 gtk_signal_emit_stop_by_name(GTK_OBJECT(Widget),<font class="stringliteral">"key_press_event"</font>);
00111 <font class="keywordflow">return</font> TRUE;
00112 }
00113
00114 <font class="keywordtype">void</font> updateInput ()
00115 {
00116 gtk_widget_grab_focus (InputText);
00117 }
00118
00119 gint KeyOut(GtkWidget *Widget, GdkEventKey *Event, gpointer *Data)
00120 {
00121 updateInput();
00122 gtk_signal_emit_stop_by_name(GTK_OBJECT(Widget),<font class="stringliteral">"key_press_event"</font>);
00123 <font class="keywordflow">return</font> TRUE;
00124 }
00125
00126
00127 gint ButtonClear(GtkWidget *Widget, GdkEventKey *Event, gpointer *Data)
00128 {
00129 CGtkDisplayer *disp = (CGtkDisplayer *) Data;
00130
00131 disp->clear ();
00132 <font class="keywordflow">return</font> TRUE;
00133 }
00134
00135 <font class="comment">// the user typed command, execute it</font>
00136 gint cbValidateCommand (GtkWidget *widget, GdkEvent *event, gpointer <a class="code" href="driver__opengl__extension__def_8h.html#a271">data</a>)
00137 {
00138 string cmd = gtk_entry_get_text (GTK_ENTRY(widget));
00139 CommandHistory.push_back (cmd);
00140 <font class="comment">// execute the command</font>
00141 ICommand::execute (cmd, *<a class="code" href="namespaceNLMISC.html#a10">InfoLog</a>);
00142 <font class="comment">// clear the input text</font>
00143 gtk_entry_set_text (GTK_ENTRY(widget), <font class="stringliteral">""</font>);
00144 CommandHistoryPos = CommandHistory.size();
00145 <font class="keywordflow">return</font> TRUE;
00146 }
00147
00148
00149 <font class="keywordtype">void</font> CGtkDisplayer::open (string windowNameEx, <a class="code" href="types__nl_8h.html#a13">sint</a> <a class="code" href="driver__opengl__extension__def_8h.html#a242">x</a>, <a class="code" href="types__nl_8h.html#a13">sint</a> <a class="code" href="driver__opengl__extension__def_8h.html#a243">y</a>, <a class="code" href="types__nl_8h.html#a13">sint</a> <a class="code" href="driver__opengl__extension__def_8h.html#a245">w</a>, <a class="code" href="types__nl_8h.html#a13">sint</a> h, <a class="code" href="types__nl_8h.html#a13">sint</a> hs)
00150 {
00151 _HistorySize = hs;
00152
00153 gtk_init (NULL, NULL);
00154
00155 <font class="comment">// Root window</font>
00156 RootWindow = gtk_window_new (GTK_WINDOW_TOPLEVEL);
00157 string wn;
00158 <font class="keywordflow">if</font> (!windowNameEx.empty())
00159 {
00160 wn += windowNameEx;
00161 wn += <font class="stringliteral">": "</font>;
00162 }
00163 wn += <font class="stringliteral">"Nel Service Console (compiled "</font> __DATE__ <font class="stringliteral">" "</font> __TIME__ <font class="stringliteral">") "</font>;
00164 gtk_window_set_title (GTK_WINDOW (RootWindow), wn.c_str());
00165 gtk_window_set_default_size (GTK_WINDOW (RootWindow), <a class="code" href="driver__opengl__extension__def_8h.html#a245">w</a>, h);
00166 gtk_signal_connect (GTK_OBJECT (RootWindow), <font class="stringliteral">"delete_event"</font>, GTK_SIGNAL_FUNC (delete_event), NULL);
00167
00168 <font class="comment">// Vertical box</font>
00169 GtkWidget *vrootbox = gtk_vbox_new (FALSE, 0);
00170 <a class="code" href="debug_8h.html#a6">nlassert</a> (vrootbox != NULL);
00171 gtk_container_add (GTK_CONTAINER (RootWindow), vrootbox);
00172
00173 <font class="comment">// Horizontal box (for labels)</font>
00174 hrootbox = gtk_hbox_new (FALSE, 0);
00175 <a class="code" href="debug_8h.html#a6">nlassert</a> (hrootbox != NULL);
00176 gtk_box_pack_start (GTK_BOX (vrootbox), hrootbox, FALSE, FALSE, 0);
00177
00178 <font class="comment">// Clear button</font>
00179 GtkWidget *button = gtk_button_new_with_label (<font class="stringliteral">"Clear"</font>);
00180 <a class="code" href="debug_8h.html#a6">nlassert</a> (button != NULL);
00181 gtk_signal_connect (GTK_OBJECT (button), <font class="stringliteral">"clicked"</font>, GTK_SIGNAL_FUNC (ButtonClear), (gpointer) <font class="keyword">this</font>);
00182 gtk_box_pack_start (GTK_BOX (hrootbox), button, FALSE, FALSE, 0);
00183
00184 <font class="comment">// Output text</font>
00185 GtkWidget *scrolled_win2 = gtk_scrolled_window_new (NULL, NULL);
00186 <a class="code" href="debug_8h.html#a6">nlassert</a> (scrolled_win2 != NULL);
00187 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win2), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
00188 gtk_widget_show (scrolled_win2);
00189 gtk_container_add (GTK_CONTAINER (vrootbox), scrolled_win2);
00190
00191 OutputText = gtk_text_new (NULL, NULL);
00192 <a class="code" href="debug_8h.html#a6">nlassert</a> (OutputText != NULL);
00193 gtk_signal_connect(GTK_OBJECT(OutputText),<font class="stringliteral">"key_press_event"</font>,GTK_SIGNAL_FUNC(KeyOut),NULL);
00194 gtk_text_set_editable (GTK_TEXT (OutputText), FALSE);
00195 gtk_container_add (GTK_CONTAINER (scrolled_win2), OutputText);
00196
00197 <font class="comment">// Input text</font>
00198 InputText = gtk_entry_new ();
00199 <a class="code" href="debug_8h.html#a6">nlassert</a> (InputText != NULL);
00200 gtk_signal_connect (GTK_OBJECT(InputText), <font class="stringliteral">"activate"</font>, GTK_SIGNAL_FUNC(cbValidateCommand), NULL);
00201 gtk_signal_connect(GTK_OBJECT(InputText),<font class="stringliteral">"key_press_event"</font>,GTK_SIGNAL_FUNC(KeyIn),NULL);
00202 gtk_box_pack_start (GTK_BOX (vrootbox), InputText, FALSE, FALSE, 0);
00203
00204 gtk_widget_show (button);
00205 gtk_widget_show (OutputText);
00206 gtk_widget_show (InputText);
00207
00208 gtk_widget_show (hrootbox);
00209 gtk_widget_show (vrootbox);
00210 gtk_widget_show (RootWindow);
00211
00212 _Init = <font class="keyword">true</font>;
00213 }
00214
00215 <font class="keywordtype">void</font> CGtkDisplayer::clear ()
00216 {
00217 <font class="keywordtype">int</font> n;
00218
00219 gtk_text_set_point(GTK_TEXT(OutputText),0);
00220 n = gtk_text_get_length(GTK_TEXT(OutputText));
00221 gtk_text_forward_delete(GTK_TEXT(OutputText),n);
00222 }
00223
00224 gint updateInterf (gpointer <a class="code" href="driver__opengl__extension__def_8h.html#a271">data</a>)
00225 {
00226 CGtkDisplayer *disp = (CGtkDisplayer *)<a class="code" href="driver__opengl__extension__def_8h.html#a271">data</a>;
00227
00228 <font class="comment">//</font>
00229 <font class="comment">// Update labels</font>
00230 <font class="comment">//</font>
00231
00232 disp->updateLabels ();
00233
00234 <font class="comment">//</font>
00235 <font class="comment">// Display the bufferized string</font>
00236 <font class="comment">//</font>
00237
00238 string str;
00239 {
00240 CSynchronized<std::string>::CAccessor access (&disp->_Buffer);
00241 str = access.value();
00242 access.value() = <font class="stringliteral">""</font>;
00243 }
00244
00245 <font class="comment">// nothing to do</font>
00246 <font class="keywordflow">if</font> (str.empty ())
00247 <font class="keywordflow">return</font> TRUE;
00248
00249 GtkAdjustment *Adj = (GTK_TEXT(OutputText))->vadj;
00250 <font class="keywordtype">bool</font> Bottom = (Adj->value >= Adj->upper - Adj->page_size);
00251
00252 gtk_text_freeze (GTK_TEXT (OutputText));
00253 gtk_text_insert (GTK_TEXT (OutputText), NULL, NULL, NULL, str.c_str(), -1);
00254 gtk_text_thaw (GTK_TEXT (OutputText));
00255
00256 <font class="keywordflow">if</font> (Bottom)
00257 {
00258 gtk_adjustment_set_value(Adj,Adj->upper-Adj->page_size);
00259 }
00260
00261 <font class="keywordflow">return</font> TRUE;
00262 }
00263
00264
00265 <font class="keywordtype">void</font> CGtkDisplayer::display_main ()
00266 {
00267 <font class="comment">//</font>
00268 <font class="comment">// Manage windows message</font>
00269 <font class="comment">//</font>
00270
00271 gtk_timeout_add (10, updateInterf, <font class="keyword">this</font>);
00272 gtk_main ();
00273 }
00274
00275 } <font class="comment">// NLMISC</font>
00276
00277 <font class="preprocessor">#endif // NL_USE_GTK</font>
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