radiant/console.cpp

   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 #include <mutex>
  28
  29 #include "gtkutil/accelerator.h"
  30 #include "gtkutil/messagebox.h"
  31 #include "gtkutil/container.h"
  32 #include "gtkutil/menu.h"
  33 #include "gtkutil/nonmodal.h"
  34 #include "stream/stringstream.h"
  35 #include "convert.h"
  36
  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 struct Gtk_Idle_Print_Data {
  50         int level;
  51         char *buf;
  52         std::size_t length;
  53         bool contains_newline;
  54 };
  55
  56 // called whenever we need to open/close/check the console log file
  57 void Sys_EnableLogFile( bool enable ){
  58         if ( enable && !g_hLogFile ) {
  59                 // settings say we should be logging and we don't have a log file .. so create it
  60                 if ( !SettingsPath_get()[0] ) {
  61                         return; // cannot open a log file yet
  62                 }
  63                 // open a file to log the console (if user prefs say so)
  64                 // the file handle is g_hLogFile
  65                 // the log file is erased
  66                 StringOutputStream name( 256 );
  67                 name << SettingsPath_get() << "radiant.log";
  68                 g_hLogFile = fopen( name.c_str(), "w" );
  69                 if ( g_hLogFile != 0 ) {
  70                         globalOutputStream() << "Started logging to " << name.c_str() << "\n";
  71                         time_t localtime;
  72                         time( &localtime );
  73                         globalOutputStream() << "Today is: " << ctime( &localtime )
  74                                                                  << "This is " RADIANT_NAME " " RADIANT_VERSION " compiled " __DATE__ "\n" RADIANT_ABOUTMSG "\n";
  75                         globalOutputStream() << "IQM plugin: " RADIANT_IQM_PLUGIN "\n";
  76                 }
  77                 else{
  78                         ui::alert( ui::root, "Failed to create log file, check write permissions in " RADIANT_NAME " directory.\n",
  79                                                         "Console logging", ui::alert_type::OK, ui::alert_icon::Error );
  80                 }
  81         }
  82         else if ( !enable && g_hLogFile != 0 ) {
  83                 // settings say we should not be logging but still we have an active logfile .. close it
  84                 time_t localtime;
  85                 time( &localtime );
  86                 globalOutputStream() << "Closing log file at " << ctime( &localtime ) << "\n";
  87                 fclose( g_hLogFile );
  88                 g_hLogFile = 0;
  89         }
  90 }
  91
  92 ui::TextView g_console{ui::null};
  93
  94 void console_clear(){
  95         g_console.text("");
  96 }
  97
  98 void console_populate_popup( ui::TextView textview, ui::Menu menu, gpointer user_data ){
  99         menu_separator( menu );
 100
 101         ui::Widget item(ui::MenuItem( "Clear" ));
 102         item.connect( "activate", G_CALLBACK( console_clear ), 0 );
 103         item.show();
 104         menu.add(item);
 105 }
 106
 107 gboolean destroy_set_null( ui::Window widget, ui::Widget* p ){
 108         *p = ui::Widget{ui::null};
 109         return FALSE;
 110 }
 111
 112 WidgetFocusPrinter g_consoleWidgetFocusPrinter( "console" );
 113
 114 ui::Widget Console_constructWindow( ui::Window toplevel ){
 115         auto scr = ui::ScrolledWindow(ui::New);
 116         scr.overflow(ui::Policy::AUTOMATIC, ui::Policy::AUTOMATIC);
 117         gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW( scr ), GTK_SHADOW_IN );
 118         scr.show();
 119
 120         {
 121                 auto text = ui::TextView(ui::New);
 122                 text.dimensions(0, -1); // allow shrinking
 123                 gtk_text_view_set_wrap_mode( text, GTK_WRAP_WORD );
 124                 gtk_text_view_set_editable( text, FALSE );
 125                 scr.add(text);
 126                 text.show();
 127                 g_console = text;
 128
 129                 //globalExtendedASCIICharacterSet().print();
 130
 131                 widget_connect_escape_clear_focus_widget( g_console );
 132
 133                 //g_consoleWidgetFocusPrinter.connect(g_console);
 134
 135                 g_console.connect( "populate-popup", G_CALLBACK( console_populate_popup ), 0 );
 136                 g_console.connect( "destroy", G_CALLBACK( destroy_set_null ), &g_console );
 137         }
 138
 139         gtk_container_set_focus_chain( GTK_CONTAINER( scr ), NULL );
 140
 141         return scr;
 142 }
 143
 144 //#pragma GCC push_options
 145 //#pragma GCC optimize ("O0")
 146
 147 class GtkTextBufferOutputStream : public TextOutputStream
 148 {
 149 GtkTextBuffer* textBuffer;
 150 GtkTextIter* iter;
 151 GtkTextTag* tag;
 152 public:
 153 GtkTextBufferOutputStream( GtkTextBuffer* textBuffer, GtkTextIter* iter, GtkTextTag* tag ) : textBuffer( textBuffer ), iter( iter ), tag( tag ){
 154 }
 155 std::size_t __attribute__((optimize("O0"))) write( const char* buffer, std::size_t length ){
 156         gtk_text_buffer_insert_with_tags( textBuffer, iter, buffer, gint( length ), tag, NULL );
 157         return length;
 158 }
 159 };
 160
 161 //#pragma GCC pop_options
 162
 163 // This function is meant to be used with gtk_idle_add. It will free its argument.
 164 static gboolean Gtk_Idle_Print( gpointer data ){
 165         Gtk_Idle_Print_Data *args = reinterpret_cast<Gtk_Idle_Print_Data *>(data);
 166         g_assert(g_console);
 167
 168                         auto buffer = gtk_text_view_get_buffer( g_console );
 169
 170                         GtkTextIter iter;
 171                         gtk_text_buffer_get_end_iter( buffer, &iter );
 172
 173                         static auto end = gtk_text_buffer_create_mark( buffer, "end", &iter, FALSE );
 174
 175                         const GdkColor yellow = { 0, 0xb0ff, 0xb0ff, 0x0000 };
 176                         const GdkColor red = { 0, 0xffff, 0x0000, 0x0000 };
 177
 178                         static auto error_tag = gtk_text_buffer_create_tag( buffer, "red_foreground", "foreground-gdk", &red, NULL );
 179                         static auto warning_tag = gtk_text_buffer_create_tag( buffer, "yellow_foreground", "foreground-gdk", &yellow, NULL );
 180                         static auto standard_tag = gtk_text_buffer_create_tag( buffer, "black_foreground", NULL );
 181                         GtkTextTag* tag;
 182         switch ( args->level )
 183                         {
 184                         case SYS_WRN:
 185                                 tag = warning_tag;
 186                                 break;
 187                         case SYS_ERR:
 188                                 tag = error_tag;
 189                                 break;
 190                         case SYS_STD:
 191                         case SYS_VRB:
 192                         default:
 193                                 tag = standard_tag;
 194                                 break;
 195                         }
 196
 197                         {
 198                                 GtkTextBufferOutputStream textBuffer( buffer, &iter, tag );
 199                                 if ( !globalCharacterSet().isUTF8() ) {
 200                                         BufferedTextOutputStream<GtkTextBufferOutputStream> buffered( textBuffer );
 201                         buffered << StringRange( args->buf, args->buf + args->length );
 202                                 }
 203                                 else
 204                                 {
 205                         textBuffer << StringRange( args->buf, args->buf + args->length );
 206                                 }
 207                         }
 208
 209                         // update console widget immediatly if we're doing something time-consuming
 210         if ( args->contains_newline ) {
 211                                 gtk_text_view_scroll_mark_onscreen( g_console, end );
 212
 213                                 if ( !ScreenUpdates_Enabled() && gtk_widget_get_realized( g_console ) ) {
 214                                         ScreenUpdates_process();
 215                                 }
 216                         }
 217
 218         free( args->buf );
 219         free( args );
 220
 221         return FALSE; // call this once, not repeatedly
 222                 }
 223
 224 // Print logs to the in-game console and/or to the log file.
 225 // This function is thread safe.
 226 std::size_t Sys_Print( int level, const char* buf, std::size_t length ){
 227         bool contains_newline = std::find( buf, buf + length, '\n' ) != buf + length;
 228
 229         if ( level == SYS_ERR ) {
 230                 Sys_EnableLogFile( true );
 231         }
 232
 233         if ( g_hLogFile != 0 ) {
 234                 // prevent parallel write
 235                 static std::mutex log_file_mutex;
 236                 std::lock_guard<std::mutex> guard(log_file_mutex);
 237
 238                 fwrite( buf, 1, length, g_hLogFile );
 239                 if ( contains_newline ) {
 240                         fflush( g_hLogFile );
 241                 }
 242         }
 243
 244         if ( level != SYS_NOCON && g_console ) {
 245                 auto data = reinterpret_cast<Gtk_Idle_Print_Data *>( malloc( sizeof(struct Gtk_Idle_Print_Data) ) );
 246                 if (data != nullptr) {
 247                         *data = { level, g_strndup(buf, length), length, contains_newline };
 248                         gdk_threads_add_idle(Gtk_Idle_Print, (gpointer)data);
 249                 }
 250         }
 251
 252         return length;
 253 }
 254
 255
 256 class SysPrintOutputStream : public TextOutputStream
 257 {
 258 public:
 259 std::size_t write( const char* buffer, std::size_t length ){
 260         return Sys_Print( SYS_STD, buffer, length );
 261 }
 262 };
 263
 264 class SysPrintErrorStream : public TextOutputStream
 265 {
 266 public:
 267 std::size_t write( const char* buffer, std::size_t length ){
 268         return Sys_Print( SYS_ERR, buffer, length );
 269 }
 270 };
 271
 272 SysPrintOutputStream g_outputStream;
 273
 274 TextOutputStream& getSysPrintOutputStream(){
 275         return g_outputStream;
 276 }
 277
 278 SysPrintErrorStream g_errorStream;
 279
 280 TextOutputStream& getSysPrintErrorStream(){
 281         return g_errorStream;
 282 }