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1 /*
2    Copyright (C) 1999-2006 Id Software, Inc. and contributors.
3    For a list of contributors, see the accompanying CONTRIBUTORS file.
4
5    This file is part of GtkRadiant.
6
7    GtkRadiant is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 2 of the License, or
10    (at your option) any later version.
11
12    GtkRadiant is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16
17    You should have received a copy of the GNU General Public License
18    along with GtkRadiant; if not, write to the Free Software
19    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
20  */
21
22 #include "console.h"
23
24 #include <time.h>
25 #include <uilib/uilib.h>
26 #include <gtk/gtk.h>
27
28 #include "gtkutil/accelerator.h"
29 #include "gtkutil/messagebox.h"
30 #include "gtkutil/container.h"
31 #include "gtkutil/menu.h"
32 #include "gtkutil/nonmodal.h"
33 #include "stream/stringstream.h"
34 #include "convert.h"
35
36 #include "version.h"
37 #include "aboutmsg.h"
38 #include "gtkmisc.h"
39 #include "mainframe.h"
40
41 // handle to the console log file
42 namespace
43 {
44 FILE* g_hLogFile;
45 }
46
47 bool g_Console_enableLogging = false;
48
49 // called whenever we need to open/close/check the console log file
50 void Sys_LogFile( bool enable ){
51         if ( enable && !g_hLogFile ) {
52                 // settings say we should be logging and we don't have a log file .. so create it
53                 if ( !SettingsPath_get()[0] ) {
54                         return; // cannot open a log file yet
55                 }
56                 // open a file to log the console (if user prefs say so)
57                 // the file handle is g_hLogFile
58                 // the log file is erased
59                 StringOutputStream name( 256 );
60                 name << SettingsPath_get() << "radiant.log";
61                 g_hLogFile = fopen( name.c_str(), "w" );
62                 if ( g_hLogFile != 0 ) {
63                         globalOutputStream() << "Started logging to " << name.c_str() << "\n";
64                         time_t localtime;
65                         time( &localtime );
66                         globalOutputStream() << "Today is: " << ctime( &localtime )
67                                                                  << "This is NetRadiant '" RADIANT_VERSION "' compiled " __DATE__ "\n" RADIANT_ABOUTMSG "\n";
68                 }
69                 else{
70                         ui::alert( ui::root, "Failed to create log file, check write permissions in Radiant directory.\n",
71                                                         "Console logging", ui::alert_type::OK, ui::alert_icon::Error );
72                 }
73         }
74         else if ( !enable && g_hLogFile != 0 ) {
75                 // settings say we should not be logging but still we have an active logfile .. close it
76                 time_t localtime;
77                 time( &localtime );
78                 globalOutputStream() << "Closing log file at " << ctime( &localtime ) << "\n";
79                 fclose( g_hLogFile );
80                 g_hLogFile = 0;
81         }
82 }
83
84 ui::TextView g_console{ui::null};
85
86 void console_clear(){
87         g_console.text("");
88 }
89
90 void console_populate_popup( ui::TextView textview, ui::Menu menu, gpointer user_data ){
91         menu_separator( menu );
92
93         ui::Widget item(ui::MenuItem( "Clear" ));
94         item.connect( "activate", G_CALLBACK( console_clear ), 0 );
95         item.show();
96         menu.add(item);
97 }
98
99 gboolean destroy_set_null( ui::Window widget, ui::Widget* p ){
100         *p = ui::Widget{ui::null};
101         return FALSE;
102 }
103
104 WidgetFocusPrinter g_consoleWidgetFocusPrinter( "console" );
105
106 ui::Widget Console_constructWindow( ui::Window toplevel ){
107         auto scr = ui::ScrolledWindow(ui::New);
108         scr.overflow(ui::Policy::AUTOMATIC, ui::Policy::AUTOMATIC);
109         gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW( scr ), GTK_SHADOW_IN );
110         scr.show();
111
112         {
113                 auto text = ui::TextView(ui::New);
114                 text.dimensions(0, -1); // allow shrinking
115                 gtk_text_view_set_wrap_mode( text, GTK_WRAP_WORD );
116                 gtk_text_view_set_editable( text, FALSE );
117                 scr.add(text);
118                 text.show();
119                 g_console = text;
120
121                 //globalExtendedASCIICharacterSet().print();
122
123                 widget_connect_escape_clear_focus_widget( g_console );
124
125                 //g_consoleWidgetFocusPrinter.connect(g_console);
126
127                 g_console.connect( "populate-popup", G_CALLBACK( console_populate_popup ), 0 );
128                 g_console.connect( "destroy", G_CALLBACK( destroy_set_null ), &g_console );
129         }
130
131         gtk_container_set_focus_chain( GTK_CONTAINER( scr ), NULL );
132
133         return scr;
134 }
135
136 class GtkTextBufferOutputStream : public TextOutputStream
137 {
138 GtkTextBuffer* textBuffer;
139 GtkTextIter* iter;
140 GtkTextTag* tag;
141 public:
142 GtkTextBufferOutputStream( GtkTextBuffer* textBuffer, GtkTextIter* iter, GtkTextTag* tag ) : textBuffer( textBuffer ), iter( iter ), tag( tag ){
143 }
144 std::size_t write( const char* buffer, std::size_t length ){
145         gtk_text_buffer_insert_with_tags( textBuffer, iter, buffer, gint( length ), tag, NULL );
146         return length;
147 }
148 };
149
150 std::size_t Sys_Print( int level, const char* buf, std::size_t length ){
151         bool contains_newline = std::find( buf, buf + length, '\n' ) != buf + length;
152
153         if ( level == SYS_ERR ) {
154                 Sys_LogFile( true );
155         }
156
157         if ( g_hLogFile != 0 ) {
158                 fwrite( buf, 1, length, g_hLogFile );
159                 if ( contains_newline ) {
160                         fflush( g_hLogFile );
161                 }
162         }
163
164         if ( level != SYS_NOCON ) {
165                 if ( g_console ) {
166                         auto buffer = gtk_text_view_get_buffer( g_console );
167
168                         GtkTextIter iter;
169                         gtk_text_buffer_get_end_iter( buffer, &iter );
170
171                         static auto end = gtk_text_buffer_create_mark( buffer, "end", &iter, FALSE );
172
173                         const GdkColor yellow = { 0, 0xb0ff, 0xb0ff, 0x0000 };
174                         const GdkColor red = { 0, 0xffff, 0x0000, 0x0000 };
175
176                         static auto error_tag = gtk_text_buffer_create_tag( buffer, "red_foreground", "foreground-gdk", &red, NULL );
177                         static auto warning_tag = gtk_text_buffer_create_tag( buffer, "yellow_foreground", "foreground-gdk", &yellow, NULL );
178                         static auto standard_tag = gtk_text_buffer_create_tag( buffer, "black_foreground", NULL );
179                         GtkTextTag* tag;
180                         switch ( level )
181                         {
182                         case SYS_WRN:
183                                 tag = warning_tag;
184                                 break;
185                         case SYS_ERR:
186                                 tag = error_tag;
187                                 break;
188                         case SYS_STD:
189                         case SYS_VRB:
190                         default:
191                                 tag = standard_tag;
192                                 break;
193                         }
194
195
196                         {
197                                 GtkTextBufferOutputStream textBuffer( buffer, &iter, tag );
198                                 if ( !globalCharacterSet().isUTF8() ) {
199                                         BufferedTextOutputStream<GtkTextBufferOutputStream> buffered( textBuffer );
200                                         buffered << StringRange( buf, buf + length );
201                                 }
202                                 else
203                                 {
204                                         textBuffer << StringRange( buf, buf + length );
205                                 }
206                         }
207
208                         // update console widget immediatly if we're doing something time-consuming
209                         if ( contains_newline ) {
210                                 gtk_text_view_scroll_mark_onscreen( g_console, end );
211
212                                 if ( !ScreenUpdates_Enabled() && gtk_widget_get_realized( g_console ) ) {
213                                         ScreenUpdates_process();
214                                 }
215                         }
216                 }
217         }
218         return length;
219 }
220
221
222 class SysPrintOutputStream : public TextOutputStream
223 {
224 public:
225 std::size_t write( const char* buffer, std::size_t length ){
226         return Sys_Print( SYS_STD, buffer, length );
227 }
228 };
229
230 class SysPrintErrorStream : public TextOutputStream
231 {
232 public:
233 std::size_t write( const char* buffer, std::size_t length ){
234         return Sys_Print( SYS_ERR, buffer, length );
235 }
236 };
237
238 SysPrintOutputStream g_outputStream;
239
240 TextOutputStream& getSysPrintOutputStream(){
241         return g_outputStream;
242 }
243
244 SysPrintErrorStream g_errorStream;
245
246 TextOutputStream& getSysPrintErrorStream(){
247         return g_errorStream;
248 }