| 1 | /* This file is part of the Linux Trace Toolkit viewer |
| 2 | * Copyright (C) 2005 Simon Bouvier-Zappa |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License Version 2 as |
| 6 | * published by the Free Software Foundation; |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program; if not, write to the Free Software |
| 15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| 16 | * MA 02111-1307, USA. |
| 17 | */ |
| 18 | |
| 19 | #ifdef HAVE_CONFIG_H |
| 20 | #include <config.h> |
| 21 | #endif |
| 22 | |
| 23 | #include <glib.h> |
| 24 | #include <string.h> |
| 25 | #include <gtk/gtk.h> |
| 26 | #include <gdk/gdk.h> |
| 27 | |
| 28 | #include <lttv/lttv.h> |
| 29 | #include <lttv/module.h> |
| 30 | #include <lttv/hook.h> |
| 31 | #include <lttv/filter.h> |
| 32 | |
| 33 | #include <lttvwindow/lttvwindow.h> |
| 34 | #include <lttvwindow/lttvwindowtraces.h> |
| 35 | |
| 36 | #include "hGuiFilterInsert.xpm" |
| 37 | |
| 38 | |
| 39 | GSList *g_filter_list = NULL ; |
| 40 | |
| 41 | /*! \file lttv/modules/gui/filter/filter.c |
| 42 | * \brief Graphic filter interface. |
| 43 | * |
| 44 | * The gui filter facility gives the user an easy to use |
| 45 | * basic interface to construct and modify at will a filter |
| 46 | * expression. User may either decide to write it himself in |
| 47 | * expression text entry or add simple expressions using the |
| 48 | * many choices boxes. |
| 49 | * |
| 50 | * \note The version of gtk-2.0 currently installed on |
| 51 | * my desktop misses some function of the newer |
| 52 | * gtk+ api. For the time being, I'll use the older api |
| 53 | * to keep compatibility with most systems. |
| 54 | */ |
| 55 | |
| 56 | typedef struct _FilterViewerData FilterViewerData; |
| 57 | typedef struct _FilterViewerDataLine FilterViewerDataLine; |
| 58 | |
| 59 | /* |
| 60 | * Prototypes |
| 61 | */ |
| 62 | GtkWidget *guifilter_get_widget(FilterViewerData *fvd); |
| 63 | FilterViewerData *gui_filter(Tab *tab); |
| 64 | void gui_filter_destructor(FilterViewerData *fvd); |
| 65 | FilterViewerDataLine* gui_filter_add_line(FilterViewerData *fvd); |
| 66 | void gui_filter_line_set_visible(FilterViewerDataLine *fvdl, gboolean v); |
| 67 | void gui_filter_line_reset(FilterViewerDataLine *fvdl); |
| 68 | GtkWidget* h_guifilter(Tab *tab); |
| 69 | void filter_destroy_walk(gpointer data, gpointer user_data); |
| 70 | |
| 71 | /* |
| 72 | * Callback functions |
| 73 | */ |
| 74 | void callback_process_button(GtkWidget *widget, gpointer data); |
| 75 | void callback_add_button(GtkWidget *widget, gpointer data); |
| 76 | void callback_logical_op_box(GtkWidget *widget, gpointer data); |
| 77 | void callback_expression_field(GtkWidget *widget, gpointer data); |
| 78 | |
| 79 | /** |
| 80 | * @struct _FilterViewerDataLine |
| 81 | * |
| 82 | * @brief Defines a simple expression |
| 83 | * This structures defines a simple |
| 84 | * expression whithin the main filter |
| 85 | * viewer data |
| 86 | */ |
| 87 | struct _FilterViewerDataLine { |
| 88 | int row; /**< row number */ |
| 89 | gboolean visible; /**< visible state */ |
| 90 | GtkWidget *f_not_op_box; /**< '!' operator (GtkComboBox) */ |
| 91 | GtkWidget *f_logical_op_box; /**< '&,|,^' operators (GtkComboBox) */ |
| 92 | GtkWidget *f_field_box; /**< field types (GtkComboBox) */ |
| 93 | GtkWidget *f_math_op_box; /**< '>,>=,<,<=,=,!=' operators (GtkComboBox) */ |
| 94 | GtkWidget *f_value_field; /**< expression's value (GtkComboBox) */ |
| 95 | }; |
| 96 | |
| 97 | /** |
| 98 | * @struct _FilterViewerData |
| 99 | * |
| 100 | * @brief Main structure of gui filter |
| 101 | * Main struct for the filter gui module |
| 102 | */ |
| 103 | struct _FilterViewerData { |
| 104 | Tab *tab; /**< current tab of module */ |
| 105 | |
| 106 | GtkWidget *f_window; /**< filter window */ |
| 107 | |
| 108 | GtkWidget *f_main_box; /**< main container */ |
| 109 | |
| 110 | GtkWidget *f_expression_field; /**< entire expression (GtkEntry) */ |
| 111 | GtkWidget *f_process_button; /**< process expression button (GtkButton) */ |
| 112 | |
| 113 | GtkWidget *f_logical_op_junction_box; /**< linking operator box (GtkComboBox) */ |
| 114 | |
| 115 | int rows; /**< number of rows */ |
| 116 | GPtrArray *f_lines; /**< array of FilterViewerDataLine */ |
| 117 | |
| 118 | GPtrArray *f_not_op_options; /**< array of operators types for not_op box */ |
| 119 | GPtrArray *f_logical_op_options; /**< array of operators types for logical_op box */ |
| 120 | GPtrArray *f_field_options; /**< array of field types for field box */ |
| 121 | GPtrArray *f_math_op_options; /**< array of operators types for math_op box */ |
| 122 | |
| 123 | GtkWidget *f_add_button; /**< add expression to current expression (GtkButton) */ |
| 124 | |
| 125 | gchar *name; /**< Name of the window in the main window */ |
| 126 | }; |
| 127 | |
| 128 | /** |
| 129 | * @fn GtkWidget* guifilter_get_widget(FilterViewerData*) |
| 130 | * |
| 131 | * This function returns the current main widget |
| 132 | * used by this module |
| 133 | * @param fvd the module struct |
| 134 | * @return The main widget |
| 135 | */ |
| 136 | GtkWidget* |
| 137 | guifilter_get_widget(FilterViewerData *fvd) |
| 138 | { |
| 139 | return fvd->f_window; |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * @fn FilterViewerData* gui_filter(Tab*) |
| 144 | * |
| 145 | * Constructor is used to create FilterViewerData data structure. |
| 146 | * @param tab The tab structure used by the widget |
| 147 | * @return The Filter viewer data created. |
| 148 | */ |
| 149 | FilterViewerData* |
| 150 | gui_filter(Tab *tab) |
| 151 | { |
| 152 | g_debug("filter::gui_filter()"); |
| 153 | |
| 154 | unsigned i; |
| 155 | GtkCellRenderer *renderer; |
| 156 | GtkTreeViewColumn *column; |
| 157 | |
| 158 | FilterViewerData* fvd = g_new(FilterViewerData,1); |
| 159 | |
| 160 | fvd->tab = tab; |
| 161 | |
| 162 | // lttvwindow_register_traceset_notify(fvd->tab, |
| 163 | // filter_traceset_changed, |
| 164 | // filter_viewer_data); |
| 165 | // request_background_data(filter_viewer_data); |
| 166 | |
| 167 | /* |
| 168 | * Initiating items for |
| 169 | * combo boxes |
| 170 | */ |
| 171 | fvd->f_not_op_options = g_ptr_array_new(); |
| 172 | g_ptr_array_add(fvd->f_not_op_options,(gpointer) g_string_new("")); |
| 173 | g_ptr_array_add(fvd->f_not_op_options,(gpointer) g_string_new("!")); |
| 174 | |
| 175 | fvd->f_logical_op_options = g_ptr_array_new(); //g_array_new(FALSE,FALSE,sizeof(gchar)); |
| 176 | g_ptr_array_add(fvd->f_logical_op_options,(gpointer) g_string_new("")); |
| 177 | g_ptr_array_add(fvd->f_logical_op_options,(gpointer) g_string_new("&")); |
| 178 | g_ptr_array_add(fvd->f_logical_op_options,(gpointer) g_string_new("|")); |
| 179 | g_ptr_array_add(fvd->f_logical_op_options,(gpointer) g_string_new("!")); |
| 180 | g_ptr_array_add(fvd->f_logical_op_options,(gpointer) g_string_new("^")); |
| 181 | |
| 182 | fvd->f_field_options = g_ptr_array_new(); //g_array_new(FALSE,FALSE,16); |
| 183 | g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("")); |
| 184 | g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("event.name")); |
| 185 | g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("event.category")); |
| 186 | g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("event.time")); |
| 187 | g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("event.tsc")); |
| 188 | /* |
| 189 | * TODO: Add core.xml fields here ! |
| 190 | */ |
| 191 | g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("tracefile.name")); |
| 192 | g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("trace.name")); |
| 193 | g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.process_name")); |
| 194 | g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.pid")); |
| 195 | g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.ppid")); |
| 196 | g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.creation_time")); |
| 197 | g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.insertion_time")); |
| 198 | g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.execution_mode")); |
| 199 | g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.execution_submode")); |
| 200 | g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.process_status")); |
| 201 | g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.cpu")); |
| 202 | |
| 203 | fvd->f_math_op_options = g_ptr_array_new(); //g_array_new(FALSE,FALSE,7); |
| 204 | g_ptr_array_add(fvd->f_math_op_options,(gpointer) g_string_new("")); |
| 205 | g_ptr_array_add(fvd->f_math_op_options,(gpointer) g_string_new("=")); |
| 206 | g_ptr_array_add(fvd->f_math_op_options,(gpointer) g_string_new("!=")); |
| 207 | g_ptr_array_add(fvd->f_math_op_options,(gpointer) g_string_new("<")); |
| 208 | g_ptr_array_add(fvd->f_math_op_options,(gpointer) g_string_new("<=")); |
| 209 | g_ptr_array_add(fvd->f_math_op_options,(gpointer) g_string_new(">")); |
| 210 | g_ptr_array_add(fvd->f_math_op_options,(gpointer) g_string_new(">=")); |
| 211 | |
| 212 | |
| 213 | fvd->f_window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
| 214 | |
| 215 | /* |
| 216 | * Initiating GtkTable layout |
| 217 | * starts with 2 rows and 5 columns and |
| 218 | * expands when expressions added |
| 219 | */ |
| 220 | fvd->f_main_box = gtk_table_new(3,7,FALSE); |
| 221 | gtk_table_set_row_spacings(GTK_TABLE(fvd->f_main_box),5); |
| 222 | gtk_table_set_col_spacings(GTK_TABLE(fvd->f_main_box),5); |
| 223 | |
| 224 | gtk_container_add(GTK_CONTAINER(fvd->f_window), GTK_WIDGET(fvd->f_main_box)); |
| 225 | |
| 226 | /* |
| 227 | * First half of the filter window |
| 228 | * - textual entry of filter expression |
| 229 | * - processing button |
| 230 | */ |
| 231 | fvd->f_expression_field = gtk_entry_new(); //gtk_scrolled_window_new (NULL, NULL); |
| 232 | // gtk_entry_set_text(GTK_ENTRY(fvd->f_expression_field),"state.cpu>0"); |
| 233 | gtk_widget_show (fvd->f_expression_field); |
| 234 | |
| 235 | g_signal_connect (G_OBJECT (fvd->f_expression_field), "changed", |
| 236 | G_CALLBACK (callback_expression_field), (gpointer) fvd); |
| 237 | |
| 238 | fvd->f_process_button = gtk_button_new_with_label("Process"); |
| 239 | gtk_widget_show (fvd->f_process_button); |
| 240 | |
| 241 | g_signal_connect (G_OBJECT (fvd->f_process_button), "clicked", |
| 242 | G_CALLBACK (callback_process_button), (gpointer) fvd); |
| 243 | |
| 244 | gtk_table_attach( GTK_TABLE(fvd->f_main_box),fvd->f_expression_field,0,6,0,1,GTK_FILL,GTK_FILL,0,0); |
| 245 | gtk_table_attach( GTK_TABLE(fvd->f_main_box),fvd->f_process_button,6,7,0,1,GTK_FILL,GTK_FILL,0,0); |
| 246 | |
| 247 | |
| 248 | |
| 249 | /* |
| 250 | * Second half of the filter window |
| 251 | * - combo boxes featuring filtering options added to the expression |
| 252 | */ |
| 253 | fvd->f_add_button = gtk_button_new_with_label("Add Expression"); |
| 254 | gtk_widget_show (fvd->f_add_button); |
| 255 | |
| 256 | g_signal_connect (G_OBJECT (fvd->f_add_button), "clicked", |
| 257 | G_CALLBACK (callback_add_button), (gpointer) fvd); |
| 258 | |
| 259 | gtk_table_attach( GTK_TABLE(fvd->f_main_box),fvd->f_add_button,6,7,1,2,GTK_FILL,GTK_FILL,0,0); |
| 260 | |
| 261 | fvd->f_logical_op_junction_box = gtk_combo_box_new_text(); |
| 262 | for(i=0;i<fvd->f_logical_op_options->len;i++) { |
| 263 | GString* s = g_ptr_array_index(fvd->f_logical_op_options,i); |
| 264 | gtk_combo_box_append_text(GTK_COMBO_BOX(fvd->f_logical_op_junction_box), s->str); |
| 265 | } |
| 266 | gtk_combo_box_set_active(GTK_COMBO_BOX(fvd->f_logical_op_junction_box),0); |
| 267 | |
| 268 | //gtk_widget_show(fvd->f_logical_op_box); |
| 269 | |
| 270 | gtk_table_attach( GTK_TABLE(fvd->f_main_box),fvd->f_logical_op_junction_box,0,1,1,2,GTK_SHRINK,GTK_FILL,0,0); |
| 271 | |
| 272 | gtk_container_set_border_width(GTK_CONTAINER(fvd->f_main_box), 1); |
| 273 | |
| 274 | /* initialize a new line */ |
| 275 | fvd->f_lines = g_ptr_array_new(); |
| 276 | fvd->rows = 1; |
| 277 | FilterViewerDataLine* fvdl = gui_filter_add_line(fvd); |
| 278 | g_ptr_array_add(fvd->f_lines,(gpointer) fvdl); |
| 279 | |
| 280 | /* |
| 281 | * show main container |
| 282 | */ |
| 283 | gtk_widget_show(fvd->f_main_box); |
| 284 | gtk_widget_show(fvd->f_window); |
| 285 | |
| 286 | |
| 287 | g_object_set_data_full( |
| 288 | G_OBJECT(guifilter_get_widget(fvd)), |
| 289 | "filter_viewer_data", |
| 290 | fvd, |
| 291 | (GDestroyNotify)gui_filter_destructor); |
| 292 | |
| 293 | g_filter_list = g_slist_append( |
| 294 | g_filter_list, |
| 295 | fvd); |
| 296 | |
| 297 | return fvd; |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * @fn FilterViewerDataLine* gui_filter_add_line(FilterViewerData*) |
| 302 | * |
| 303 | * Adds a filter option line on the module tab |
| 304 | * @param fvd The filter module structure |
| 305 | * @return The line structure |
| 306 | */ |
| 307 | FilterViewerDataLine* |
| 308 | gui_filter_add_line(FilterViewerData* fvd) { |
| 309 | |
| 310 | FilterViewerDataLine* fvdl = g_new(FilterViewerDataLine,1); |
| 311 | |
| 312 | unsigned i; |
| 313 | fvdl->row = fvd->rows; |
| 314 | fvdl->visible = TRUE; |
| 315 | |
| 316 | fvdl->f_not_op_box = gtk_combo_box_new_text(); |
| 317 | for(i=0;i<fvd->f_not_op_options->len;i++) { |
| 318 | GString* s = g_ptr_array_index(fvd->f_not_op_options,i); |
| 319 | gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl->f_not_op_box), s->str); |
| 320 | } |
| 321 | |
| 322 | fvdl->f_field_box = gtk_combo_box_new_text(); |
| 323 | for(i=0;i<fvd->f_field_options->len;i++) { |
| 324 | GString* s = g_ptr_array_index(fvd->f_field_options,i); |
| 325 | // g_print("String field: %s\n",s->str); |
| 326 | gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl->f_field_box), s->str); |
| 327 | } |
| 328 | |
| 329 | fvdl->f_math_op_box = gtk_combo_box_new_text(); |
| 330 | for(i=0;i<fvd->f_math_op_options->len;i++) { |
| 331 | GString* s = g_ptr_array_index(fvd->f_math_op_options,i); |
| 332 | gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl->f_math_op_box), s->str); |
| 333 | } |
| 334 | |
| 335 | fvdl->f_value_field = gtk_entry_new(); |
| 336 | |
| 337 | fvdl->f_logical_op_box = gtk_combo_box_new_text(); |
| 338 | for(i=0;i<fvd->f_logical_op_options->len;i++) { |
| 339 | GString* s = g_ptr_array_index(fvd->f_logical_op_options,i); |
| 340 | gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl->f_logical_op_box), s->str); |
| 341 | } |
| 342 | gtk_widget_set_events(fvdl->f_logical_op_box, |
| 343 | GDK_ENTER_NOTIFY_MASK | |
| 344 | GDK_LEAVE_NOTIFY_MASK | |
| 345 | GDK_FOCUS_CHANGE_MASK); |
| 346 | |
| 347 | g_signal_connect (G_OBJECT (fvdl->f_logical_op_box), "changed", |
| 348 | G_CALLBACK (callback_logical_op_box), (gpointer) fvd); |
| 349 | |
| 350 | gui_filter_line_reset(fvdl); |
| 351 | gui_filter_line_set_visible(fvdl,TRUE); |
| 352 | |
| 353 | gtk_table_attach( GTK_TABLE(fvd->f_main_box),fvdl->f_not_op_box,0,1,fvd->rows+1,fvd->rows+2,GTK_SHRINK,GTK_FILL,0,0); |
| 354 | gtk_table_attach( GTK_TABLE(fvd->f_main_box),fvdl->f_field_box,1,3,fvd->rows+1,fvd->rows+2,GTK_SHRINK,GTK_FILL,0,0); |
| 355 | gtk_table_attach( GTK_TABLE(fvd->f_main_box),fvdl->f_math_op_box,3,4,fvd->rows+1,fvd->rows+2,GTK_SHRINK,GTK_FILL,0,0); |
| 356 | gtk_table_attach( GTK_TABLE(fvd->f_main_box),fvdl->f_value_field,4,5,fvd->rows+1,fvd->rows+2,GTK_SHRINK,GTK_FILL,0,0); |
| 357 | gtk_table_attach( GTK_TABLE(fvd->f_main_box),fvdl->f_logical_op_box,5,6,fvd->rows+1,fvd->rows+2,GTK_SHRINK,GTK_FILL,0,0); |
| 358 | |
| 359 | return fvdl; |
| 360 | } |
| 361 | |
| 362 | /** |
| 363 | * @fn void gui_filter_line_set_visible(FilterViewerDataLine*,gboolean) |
| 364 | * |
| 365 | * Change visible state of current FilterViewerDataLine |
| 366 | * @param fvdl pointer to the current FilterViewerDataLine |
| 367 | * @param v TRUE: sets visible, FALSE: sets invisible |
| 368 | */ |
| 369 | void |
| 370 | gui_filter_line_set_visible(FilterViewerDataLine *fvdl, gboolean v) { |
| 371 | |
| 372 | fvdl->visible = v; |
| 373 | if(v) { |
| 374 | gtk_widget_show(fvdl->f_not_op_box); |
| 375 | gtk_widget_show(fvdl->f_field_box); |
| 376 | gtk_widget_show(fvdl->f_math_op_box); |
| 377 | gtk_widget_show(fvdl->f_value_field); |
| 378 | gtk_widget_show(fvdl->f_logical_op_box); |
| 379 | } else { |
| 380 | gtk_widget_hide(fvdl->f_not_op_box); |
| 381 | gtk_widget_hide(fvdl->f_field_box); |
| 382 | gtk_widget_hide(fvdl->f_math_op_box); |
| 383 | gtk_widget_hide(fvdl->f_value_field); |
| 384 | gtk_widget_hide(fvdl->f_logical_op_box); |
| 385 | } |
| 386 | |
| 387 | } |
| 388 | |
| 389 | /** |
| 390 | * @fn void gui_filter_line_reset(FilterViewerDataLine*) |
| 391 | * |
| 392 | * Sets selections of all boxes in current FilterViewerDataLine |
| 393 | * to default value (0) |
| 394 | * @param fvdl pointer to current FilterViewerDataLine |
| 395 | */ |
| 396 | void |
| 397 | gui_filter_line_reset(FilterViewerDataLine *fvdl) { |
| 398 | |
| 399 | gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl->f_not_op_box),0); |
| 400 | gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl->f_field_box),0); |
| 401 | gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl->f_math_op_box),0); |
| 402 | gtk_entry_set_text(GTK_ENTRY(fvdl->f_value_field),""); |
| 403 | gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl->f_logical_op_box),0); |
| 404 | } |
| 405 | |
| 406 | /** |
| 407 | * @fn void gui_filter_destructor(FilterViewerData*) |
| 408 | * |
| 409 | * Destructor for the filter gui module |
| 410 | * @param fvd The module structure |
| 411 | */ |
| 412 | void |
| 413 | gui_filter_destructor(FilterViewerData *fvd) |
| 414 | { |
| 415 | Tab *tab = fvd->tab; |
| 416 | |
| 417 | /* May already been done by GTK window closing */ |
| 418 | if(GTK_IS_WIDGET(guifilter_get_widget(fvd))){ |
| 419 | g_info("widget still exists"); |
| 420 | } |
| 421 | // if(tab != NULL) { |
| 422 | // lttvwindow_unregister_traceset_notify(fvd->tab, |
| 423 | // filter_traceset_changed, |
| 424 | // filter_viewer_data); |
| 425 | // } |
| 426 | lttvwindowtraces_background_notify_remove(fvd); |
| 427 | |
| 428 | g_filter_list = g_slist_remove(g_filter_list, fvd); |
| 429 | |
| 430 | main_window_remove_child_window(tab, fvd->name); |
| 431 | |
| 432 | g_free(fvd->name); |
| 433 | |
| 434 | g_free(fvd); |
| 435 | } |
| 436 | |
| 437 | |
| 438 | /** |
| 439 | * @fn GtkWidget* h_guifilter(Tab*) |
| 440 | * |
| 441 | * Filter Module's constructor hook |
| 442 | * |
| 443 | * This constructor is given as a parameter to the menuitem and toolbar button |
| 444 | * registration. It creates the list. |
| 445 | * @param tab A pointer to the parent window. |
| 446 | * @return The widget created. |
| 447 | */ |
| 448 | GtkWidget * |
| 449 | h_guifilter(Tab *tab) |
| 450 | { |
| 451 | FilterViewerData* f = gui_filter(tab) ; |
| 452 | f->name = g_new(gchar, 256); |
| 453 | |
| 454 | snprintf(f->name, 256, "guifilter %p", f); |
| 455 | |
| 456 | if(f) |
| 457 | main_window_add_child_window(tab, f, |
| 458 | f->name, (GDestroyNotify)gui_filter_destructor); |
| 459 | return NULL; |
| 460 | |
| 461 | } |
| 462 | |
| 463 | /** |
| 464 | * @fn static void init() |
| 465 | * |
| 466 | * This function initializes the Filter Viewer functionnality through the |
| 467 | * gtkTraceSet API. |
| 468 | */ |
| 469 | static void init() { |
| 470 | |
| 471 | lttvwindow_register_constructor("guifilter", |
| 472 | "/", |
| 473 | "Insert Filter Module", |
| 474 | hGuiFilterInsert_xpm, |
| 475 | "Insert Filter Module", |
| 476 | h_guifilter); |
| 477 | } |
| 478 | |
| 479 | /** |
| 480 | * @fn void filter_destroy_walk(gpointer,gpointer) |
| 481 | * |
| 482 | * Initiate the destruction of the current gui module |
| 483 | * on the GTK Interface |
| 484 | */ |
| 485 | void |
| 486 | filter_destroy_walk(gpointer data, gpointer user_data) |
| 487 | { |
| 488 | FilterViewerData *fvd = (FilterViewerData*)data; |
| 489 | |
| 490 | g_debug("CFV.c : filter_destroy_walk, %p", fvd); |
| 491 | |
| 492 | /* May already have been done by GTK window closing */ |
| 493 | if(GTK_IS_WIDGET(guifilter_get_widget(fvd))) |
| 494 | gtk_widget_destroy(guifilter_get_widget(fvd)); |
| 495 | } |
| 496 | |
| 497 | /** |
| 498 | * @fn static void destroy() |
| 499 | * @brief plugin's destroy function |
| 500 | * |
| 501 | * This function releases the memory reserved by the module and unregisters |
| 502 | * everything that has been registered in the gtkTraceSet API. |
| 503 | */ |
| 504 | static void destroy() { |
| 505 | |
| 506 | g_slist_foreach(g_filter_list, filter_destroy_walk, NULL ); |
| 507 | |
| 508 | lttvwindow_unregister_constructor(h_guifilter); |
| 509 | |
| 510 | } |
| 511 | |
| 512 | /** |
| 513 | * @fn void callback_process_button(GtkWidget*,gpointer) |
| 514 | * |
| 515 | * The Process Button callback function |
| 516 | * @param widget The Button widget passed to the callback function |
| 517 | * @param data Data sent along with the callback function |
| 518 | */ |
| 519 | void |
| 520 | callback_process_button(GtkWidget *widget, gpointer data) { |
| 521 | |
| 522 | g_debug("callback_process_button(): Processing expression"); |
| 523 | |
| 524 | FilterViewerData *fvd = (FilterViewerData*)data; |
| 525 | |
| 526 | if(strlen(gtk_entry_get_text(GTK_ENTRY(fvd->f_expression_field))) !=0) { |
| 527 | LttvFilter* filter = lttv_filter_new(); |
| 528 | GString* s = g_string_new(gtk_entry_get_text(GTK_ENTRY(fvd->f_expression_field))); |
| 529 | lttv_filter_append_expression(filter,s->str); |
| 530 | g_string_free(s,TRUE); |
| 531 | //SetFilter(fvd->tab,filter); |
| 532 | lttvwindow_report_filter(fvd->tab, filter); |
| 533 | } |
| 534 | } |
| 535 | |
| 536 | /** |
| 537 | * @fn void callback_expression_field(GtkWidget*,gpointer) |
| 538 | * |
| 539 | * The Add Button callback function |
| 540 | * @param widget The Button widget passed to the callback function |
| 541 | * @param data Data sent along with the callback function |
| 542 | */ |
| 543 | void |
| 544 | callback_expression_field(GtkWidget *widget, gpointer data) { |
| 545 | |
| 546 | FilterViewerData *fvd = (FilterViewerData*)data; |
| 547 | |
| 548 | if(strlen(gtk_entry_get_text(GTK_ENTRY(fvd->f_expression_field))) !=0) { |
| 549 | gtk_widget_show(fvd->f_logical_op_junction_box); |
| 550 | } else { |
| 551 | gtk_widget_hide(fvd->f_logical_op_junction_box); |
| 552 | } |
| 553 | } |
| 554 | |
| 555 | |
| 556 | /** |
| 557 | * @fn void callback_add_button(GtkWidget*,gpointer) |
| 558 | * |
| 559 | * The Add Button callback function |
| 560 | * @param widget The Button widget passed to the callback function |
| 561 | * @param data Data sent along with the callback function |
| 562 | */ |
| 563 | void |
| 564 | callback_add_button(GtkWidget *widget, gpointer data) { |
| 565 | |
| 566 | g_debug("callback_add_button(): processing simple expressions"); |
| 567 | |
| 568 | unsigned i; |
| 569 | |
| 570 | FilterViewerData *fvd = (FilterViewerData*)data; |
| 571 | FilterViewerDataLine *fvdl = NULL; |
| 572 | GString* a_filter_string = g_string_new(""); |
| 573 | |
| 574 | /* |
| 575 | * adding linking operator to |
| 576 | * string |
| 577 | */ |
| 578 | GString* s; |
| 579 | s = g_ptr_array_index(fvd->f_logical_op_options,gtk_combo_box_get_active(GTK_COMBO_BOX(fvd->f_logical_op_junction_box))); |
| 580 | g_string_append(a_filter_string,s->str); |
| 581 | gtk_combo_box_set_active(GTK_COMBO_BOX(fvd->f_logical_op_junction_box),0); |
| 582 | |
| 583 | /* begin expression */ |
| 584 | g_string_append_c(a_filter_string,'('); |
| 585 | |
| 586 | /* |
| 587 | * For each simple expression, add the resulting string |
| 588 | * to the filter string |
| 589 | * |
| 590 | * Each simple expression takes the following schema |
| 591 | * [not operator '!',' '] [field type] [math operator '<','<=','>','>=','=','!='] [value] |
| 592 | */ |
| 593 | for(i=0;i<fvd->f_lines->len;i++) { |
| 594 | fvdl = (FilterViewerDataLine*)g_ptr_array_index(fvd->f_lines,i); |
| 595 | |
| 596 | s = g_ptr_array_index(fvd->f_not_op_options,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl->f_not_op_box))); |
| 597 | g_string_append(a_filter_string,s->str); |
| 598 | |
| 599 | s = g_ptr_array_index(fvd->f_field_options,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl->f_field_box))); |
| 600 | g_string_append(a_filter_string,s->str); |
| 601 | |
| 602 | s = g_ptr_array_index(fvd->f_math_op_options,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl->f_math_op_box))); |
| 603 | g_string_append(a_filter_string,s->str); |
| 604 | |
| 605 | g_string_append(a_filter_string,gtk_entry_get_text(GTK_ENTRY(fvdl->f_value_field))); |
| 606 | |
| 607 | s = g_ptr_array_index(fvd->f_logical_op_options,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl->f_logical_op_box))); |
| 608 | g_string_append(a_filter_string,s->str); |
| 609 | |
| 610 | /* |
| 611 | * resetting simple expression lines |
| 612 | */ |
| 613 | gui_filter_line_reset(fvdl); |
| 614 | if(i) gui_filter_line_set_visible(fvdl,FALSE); // Only keep the first line |
| 615 | } |
| 616 | |
| 617 | /* end expression */ |
| 618 | g_string_append_c(a_filter_string,')'); |
| 619 | |
| 620 | g_string_prepend(a_filter_string,gtk_entry_get_text(GTK_ENTRY(fvd->f_expression_field))); |
| 621 | gtk_entry_set_text(GTK_ENTRY(fvd->f_expression_field),a_filter_string->str); |
| 622 | |
| 623 | } |
| 624 | |
| 625 | /** |
| 626 | * @fn void callback_logical_op_box(GtkWidget*,gpointer) |
| 627 | * |
| 628 | * The logical op box callback function |
| 629 | * @param widget The Button widget passed to the callback function |
| 630 | * @param data Data sent along with the callback function |
| 631 | */ |
| 632 | void |
| 633 | callback_logical_op_box(GtkWidget *widget, gpointer data) { |
| 634 | |
| 635 | g_debug("callback_logical_op_box(): adding new simple expression"); |
| 636 | |
| 637 | FilterViewerData *fvd = (FilterViewerData*)data; |
| 638 | FilterViewerDataLine *fvdl = NULL; |
| 639 | |
| 640 | int i; |
| 641 | for(i=0;i<fvd->f_lines->len;i++) { |
| 642 | fvdl = (FilterViewerDataLine*)g_ptr_array_index(fvd->f_lines,i); |
| 643 | if(fvdl->f_logical_op_box == widget) { |
| 644 | if(gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl->f_logical_op_box)) == 0) return; |
| 645 | if(i==fvd->f_lines->len-1) { /* create a new line */ |
| 646 | fvd->rows++; |
| 647 | FilterViewerDataLine* fvdl2 = gui_filter_add_line(fvd); |
| 648 | g_ptr_array_add(fvd->f_lines,(gpointer) fvdl2); |
| 649 | } else { |
| 650 | FilterViewerDataLine *fvdl2 = (FilterViewerDataLine*)g_ptr_array_index(fvd->f_lines,i+1); |
| 651 | if(!fvdl2->visible) gui_filter_line_set_visible(fvdl2,TRUE); |
| 652 | } |
| 653 | } |
| 654 | } |
| 655 | |
| 656 | } |
| 657 | |
| 658 | LTTV_MODULE("guifilter", "Filter window", \ |
| 659 | "Graphical module that let user specify their filtering options", \ |
| 660 | init, destroy, "lttvwindow") |
| 661 | |