src/logwindow.c

   1 /*
   2  * Copyright (C) 2008 - 2016 The Geeqie Team
   3  *
   4  * Authors: Vladimir Nadvornik, Laurent Monin
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #include "main.h"
  22 #include "logwindow.h"
  23
  24 #include "misc.h"
  25 #include "secure_save.h"
  26 #include "ui_misc.h"
  27 #include "window.h"
  28
  29 #include <gdk/gdkkeysyms.h>
  30
  31
  32 typedef struct _LogWindow LogWindow;
  33
  34 struct _LogWindow
  35 {
  36         GtkWidget *window;
  37         GtkWidget *scrolledwin;
  38         GtkWidget *text;
  39
  40 #if !GTK_CHECK_VERSION(3,0,0)
  41         GdkColor colors[LOG_COUNT];
  42 #else
  43         GtkTextTag *color_tags[LOG_COUNT];
  44 #endif
  45
  46         guint lines;
  47         GtkWidget *regexp_box;
  48         GtkWidget *bar;
  49         GtkWidget *pause;
  50         GtkWidget *wrap;
  51         GtkWidget *timer_data;
  52         GtkWidget *debug_level;
  53 };
  54
  55 #if !GTK_CHECK_VERSION(3,0,0)
  56 typedef struct _LogDef LogDef;
  57 struct _LogDef
  58 {
  59         LogType type;
  60         const gchar *tag;
  61         const gchar *color;
  62 };
  63
  64 /* Keep LogType order !! */
  65 static LogDef logdefs[LOG_COUNT] = {
  66         { LOG_NORMAL,   "normal",       "black"  },
  67         { LOG_MSG,      "message",      "blue"   },
  68         { LOG_WARN,     "warning",      "orange" },
  69         { LOG_ERROR,    "error",        "red"    },
  70 };
  71 #endif
  72
  73 static LogWindow *logwindow = NULL;
  74
  75 static void hide_cb(GtkWidget *widget, LogWindow *logwin)
  76 {
  77 }
  78
  79 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
  80                             LogWindow *logwin)
  81 {
  82         if (event && event->keyval == GDK_KEY_Escape)
  83                 gtk_widget_hide(logwin->window);
  84         return FALSE;
  85 }
  86
  87
  88 static void log_window_pause_cb(GtkWidget *widget, gpointer data)
  89 {
  90         options->log_window.paused = !options->log_window.paused;
  91 }
  92
  93 static void log_window_line_wrap_cb(GtkWidget *widget, gpointer data)
  94 {
  95         LogWindow *logwin = data;
  96
  97         options->log_window.line_wrap = !options->log_window.line_wrap;
  98
  99         if (options->log_window.line_wrap)
 100                 {
 101                 gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(logwin->text), GTK_WRAP_WORD);
 102                 }
 103         else
 104                 {
 105                 gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(logwin->text), GTK_WRAP_NONE);
 106                 }
 107 }
 108
 109 static void log_window_timer_data_cb(GtkWidget *widget, gpointer data)
 110 {
 111         options->log_window.timer_data = !options->log_window.timer_data;
 112 }
 113
 114 static void log_window_regexp_cb(GtkWidget *text_entry, gpointer data)
 115 {
 116         gchar *new_regexp;
 117
 118         new_regexp = g_strdup(gtk_entry_get_text(GTK_ENTRY(text_entry)));
 119         set_regexp(new_regexp);
 120         g_free(new_regexp);
 121 }
 122
 123 static void log_window_debug_spin_cb(GtkSpinButton *debug_level, gpointer data)
 124 {
 125         set_debug_level(gtk_spin_button_get_value(debug_level));
 126 }
 127
 128 static LogWindow *log_window_create(LayoutWindow *lw)
 129 {
 130         LogWindow *logwin;
 131         GtkWidget *window;
 132         GtkWidget *scrolledwin;
 133         GtkWidget *text;
 134         GtkTextBuffer *buffer;
 135         GtkTextIter iter;
 136         GtkWidget *win_vbox;
 137         GtkWidget *textbox;
 138         GtkWidget *hbox;
 139
 140         logwin = g_new0(LogWindow, 1);
 141
 142         window = window_new(GTK_WINDOW_TOPLEVEL, "log", NULL, NULL, _("Log"));
 143         win_vbox = gtk_vbox_new(FALSE, PREF_PAD_SPACE);
 144         gtk_container_add(GTK_CONTAINER(window), win_vbox);
 145         gtk_widget_show(win_vbox);
 146
 147         gtk_window_resize(GTK_WINDOW(window), lw->options.log_window.w,
 148                                                                                         lw->options.log_window.h);
 149         gtk_window_move(GTK_WINDOW(window), lw->options.log_window.x, lw->options.log_window.y);
 150
 151         g_signal_connect(G_OBJECT(window), "delete_event",
 152                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 153         g_signal_connect(G_OBJECT(window), "key_press_event",
 154                          G_CALLBACK(key_pressed), logwin);
 155         g_signal_connect(G_OBJECT(window), "hide",
 156                          G_CALLBACK(hide_cb), logwin);
 157         gtk_widget_realize(window);
 158
 159         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 160         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 161                                        GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
 162         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 163                                             GTK_SHADOW_IN);
 164
 165         gtk_box_pack_start(GTK_BOX(win_vbox), scrolledwin, TRUE, TRUE, 0);
 166         gtk_widget_show(scrolledwin);
 167
 168 #ifdef DEBUG
 169         hbox = pref_box_new(win_vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
 170
 171         gtk_widget_show(hbox);
 172         logwin->debug_level = pref_spin_new_mnemonic(hbox, _("Debug level:"), NULL,
 173                           0, 4, 1, 1, get_debug_level(),G_CALLBACK(log_window_debug_spin_cb),
 174                           logwin->debug_level );
 175
 176         logwin->pause = pref_button_new(hbox, NULL, "Pause", FALSE,
 177                                            G_CALLBACK(log_window_pause_cb), NULL);
 178
 179         logwin->wrap = pref_button_new(hbox, NULL, "Line wrap", FALSE,
 180                                            G_CALLBACK(log_window_line_wrap_cb), logwin);
 181
 182         logwin->timer_data = pref_button_new(hbox, NULL, "Timer data", FALSE,
 183                                            G_CALLBACK(log_window_timer_data_cb), logwin);
 184
 185         pref_label_new(hbox, "Filter regexp");
 186
 187         textbox = gtk_entry_new();
 188         gtk_container_add(GTK_CONTAINER(hbox), textbox);
 189         gtk_widget_show(textbox);
 190         g_signal_connect(G_OBJECT(textbox), "activate",
 191                          G_CALLBACK(log_window_regexp_cb), logwin);
 192 #endif
 193
 194         text = gtk_text_view_new();
 195         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 196         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 197         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 198         gtk_text_buffer_get_start_iter(buffer, &iter);
 199         gtk_text_buffer_create_mark(buffer, "end", &iter, FALSE);
 200         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 201         gtk_widget_show(text);
 202
 203         logwin->window = window;
 204         logwin->scrolledwin = scrolledwin;
 205         logwin->text = text;
 206         logwin->lines = 1;
 207         logwin->regexp_box = textbox;
 208         lw->log_window = logwin->window;
 209         return logwin;
 210 }
 211
 212 static void log_window_init(LogWindow *logwin)
 213 {
 214         GtkTextBuffer *buffer;
 215 #if !GTK_CHECK_VERSION(3,0,0)
 216         GdkColormap *colormap;
 217         gboolean success[LOG_COUNT];
 218         gint i;
 219
 220         g_assert(logwin != NULL);
 221         g_assert(logwin->colors != NULL);
 222         for (i = LOG_NORMAL; i < LOG_COUNT; i++)
 223                 {
 224                 gboolean ok = gdk_color_parse(logdefs[i].color, &logwin->colors[i]);
 225                 if (ok == TRUE) continue;
 226
 227                 if (i == LOG_NORMAL) return;
 228                 memcpy(&logwin->colors[i], &logwin->colors[LOG_NORMAL], sizeof(GdkColor));
 229                 }
 230
 231         colormap = gdk_drawable_get_colormap(gtk_widget_get_window(logwin->window));
 232         gdk_colormap_alloc_colors(colormap, logwin->colors, LOG_COUNT, FALSE, TRUE, success);
 233
 234         for (i = LOG_NORMAL; i < LOG_COUNT; i++)
 235                 {
 236                 if (success[i] == FALSE)
 237                         {
 238                         GtkStyle *style;
 239                         gint j;
 240
 241                         g_warning("LogWindow: color allocation failed\n");
 242                         style = gtk_widget_get_style(logwin->window);
 243                         for (j = LOG_NORMAL; j < LOG_COUNT; j++)
 244                                 logwin->colors[j] = style->black;
 245                         break;
 246                         }
 247                 }
 248
 249         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(logwin->text));
 250         for (i = LOG_NORMAL; i < LOG_COUNT; i++)
 251                 gtk_text_buffer_create_tag(buffer, logdefs[i].tag,
 252                                            "foreground-gdk", &logwin->colors[i],
 253                                            "family", "MonoSpace",
 254                                            NULL);
 255 #else
 256         g_assert(logwin != NULL);
 257
 258         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(logwin->text));
 259
 260         logwin->color_tags[LOG_NORMAL] = gtk_text_buffer_create_tag (buffer,
 261                                                         "black_foreground", "foreground", "black",
 262                                                         "family", "MonoSpace", NULL);
 263         logwin->color_tags[LOG_MSG] = gtk_text_buffer_create_tag (buffer,
 264                                                         "blue_foreground", "foreground", "blue",
 265                                                         "family", "MonoSpace", NULL);
 266         logwin->color_tags[LOG_WARN] = gtk_text_buffer_create_tag (buffer,
 267                                                         "orange_foreground", "foreground", "orange",
 268                                                         "family", "MonoSpace", NULL);
 269         logwin->color_tags[LOG_ERROR] = gtk_text_buffer_create_tag (buffer,
 270                                                         "red_foreground", "foreground", "red",
 271                                                         "family", "MonoSpace", NULL);
 272 #endif
 273 }
 274
 275 static void log_window_show(LogWindow *logwin)
 276 {
 277         GtkTextView *text = GTK_TEXT_VIEW(logwin->text);
 278         GtkTextBuffer *buffer;
 279         GtkTextMark *mark;
 280         gchar *regexp;
 281
 282         g_assert(logwin != NULL);
 283
 284         buffer = gtk_text_view_get_buffer(text);
 285         mark = gtk_text_buffer_get_mark(buffer, "end");
 286         gtk_text_view_scroll_mark_onscreen(text, mark);
 287
 288         gtk_window_present(GTK_WINDOW(logwin->window));
 289
 290         log_window_append("", LOG_NORMAL); // to flush memorized lines
 291
 292         regexp = g_strdup(get_regexp());
 293         if (regexp != NULL)
 294                 {
 295                 gtk_entry_set_text(GTK_ENTRY(logwin->regexp_box), regexp);
 296                 g_free(regexp);
 297                 }
 298 }
 299
 300 void log_window_new(LayoutWindow *lw)
 301 {
 302         if (logwindow == NULL)
 303                 {
 304                 LogWindow *logwin;
 305
 306                 logwin = log_window_create(lw);
 307                 log_window_init(logwin);
 308                 logwindow = logwin;
 309                 }
 310
 311         log_window_show(logwindow);
 312 }
 313
 314 typedef struct _LogMsg LogMsg;
 315
 316 struct _LogMsg {
 317         gchar *text;
 318         LogType type;
 319 };
 320
 321 #if !GTK_CHECK_VERSION(3,0,0)
 322 static void log_window_insert_text(GtkTextBuffer *buffer, GtkTextIter *iter,
 323                                    const gchar *text, const gchar *tag)
 324 {
 325         gchar *str_utf8;
 326
 327         if (!text || !*text) return;
 328
 329         str_utf8 = utf8_validate_or_convert(text);
 330         gtk_text_buffer_insert_with_tags_by_name(buffer, iter, str_utf8, -1, tag, NULL);
 331         g_free(str_utf8);
 332 }
 333 #else
 334 static void log_window_insert_text(GtkTextBuffer *buffer, GtkTextIter *iter,
 335                                    const gchar *text, GtkTextTag *tag)
 336 {
 337         gchar *str_utf8;
 338
 339         if (!text || !*text) return;
 340
 341         str_utf8 = utf8_validate_or_convert(text);
 342         gtk_text_buffer_insert_with_tags(buffer, iter, str_utf8, -1, tag, NULL);
 343         g_free(str_utf8);
 344 }
 345 #endif
 346
 347 void log_window_append(const gchar *str, LogType type)
 348 {
 349         GtkTextView *text;
 350         GtkTextBuffer *buffer;
 351         GtkTextIter iter;
 352         static GList *memory = NULL;
 353
 354         if (logwindow == NULL)
 355                 {
 356                 if (*str) {
 357                         LogMsg *msg = g_new(LogMsg, 1);
 358
 359                         msg->text = g_strdup(str);
 360                         msg->type = type;
 361
 362                         memory = g_list_prepend(memory, msg);
 363
 364                         while (g_list_length(memory) >= options->log_window_lines)
 365                                 {
 366                                 GList *work = g_list_last(memory);
 367                                 LogMsg *oldest_msg = work->data;
 368
 369                                 g_free(oldest_msg->text);
 370                                 memory = g_list_delete_link(memory, work);
 371                                 }
 372                         }
 373                 return;
 374                 }
 375
 376         text = GTK_TEXT_VIEW(logwindow->text);
 377         buffer = gtk_text_view_get_buffer(text);
 378
 379         if (options->log_window_lines > 0 && logwindow->lines >= options->log_window_lines)
 380                 {
 381                 GtkTextIter start, end;
 382
 383                 gtk_text_buffer_get_start_iter(buffer, &start);
 384                 end = start;
 385                 gtk_text_iter_forward_lines(&end, logwindow->lines - options->log_window_lines);
 386                 gtk_text_buffer_delete(buffer, &start, &end);
 387                 }
 388
 389         gtk_text_buffer_get_end_iter(buffer, &iter);
 390
 391         {
 392         GList *work = g_list_last(memory);
 393
 394         while (work)
 395                 {
 396                 GList *prev;
 397                 LogMsg *oldest_msg = work->data;
 398
 399 #if !GTK_CHECK_VERSION(3,0,0)
 400                 log_window_insert_text(buffer, &iter, oldest_msg->text, logdefs[oldest_msg->type].tag);
 401 #else
 402                 log_window_insert_text(buffer, &iter, oldest_msg->text,
 403                                                                         logwindow->color_tags[oldest_msg->type]);
 404 #endif
 405
 406                 prev = work->prev;
 407                 memory = g_list_delete_link(memory, work);
 408                 work = prev;
 409                 }
 410         }
 411
 412 #if !GTK_CHECK_VERSION(3,0,0)
 413         log_window_insert_text(buffer, &iter, str, logdefs[type].tag);
 414 #else
 415         log_window_insert_text(buffer, &iter, str, logwindow->color_tags[type]);
 416 #endif
 417
 418         if (!options->log_window.paused)
 419                 {
 420                 if (gtk_widget_get_visible(GTK_WIDGET(text)))
 421                         {
 422                         GtkTextMark *mark;
 423
 424                         mark = gtk_text_buffer_get_mark(buffer, "end");
 425                         gtk_text_view_scroll_mark_onscreen(text, mark);
 426                         }
 427                 }
 428
 429         logwindow->lines = gtk_text_buffer_get_line_count(buffer);
 430 }
 431 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */