1 /* This file is part of the Linux Trace Toolkit viewer
2 * Copyright (C) 2005 Simon Bouvier-Zappa
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;
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.
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,
28 #include <lttv/lttv.h>
29 #include <lttv/module.h>
30 #include <lttv/hook.h>
31 #include <lttv/filter.h>
33 #include <lttvwindow/lttvwindow.h>
34 #include <lttvwindow/lttvwindowtraces.h>
36 #include "hGuiFilterInsert.xpm"
38 /*! \file lttv/modules/gui/filter/filter.c
39 * \brief Graphic filter interface.
41 * The gui filter facility gives the user an easy to use
42 * basic interface to construct and modify at will a filter
43 * expression. User may either decide to write it himself in
44 * expression text entry or add simple expressions using the
47 * \note The version of gtk-2.0 currently installed on
48 * my desktop misses some function of the newer
49 * gtk+ api. For the time being, I'll use the older api
50 * to keep compatibility with most systems.
53 typedef struct _FilterViewerData FilterViewerData
;
54 typedef struct _FilterViewerDataLine FilterViewerDataLine
;
59 GtkWidget
*guifilter_get_widget(FilterViewerData
*fvd
);
60 FilterViewerData
*gui_filter(Tab
*tab
);
61 void gui_filter_destructor(FilterViewerData
*fvd
);
62 FilterViewerDataLine
* gui_filter_add_line(FilterViewerData
*fvd
);
63 void gui_filter_line_set_visible(FilterViewerDataLine
*fvdl
, gboolean v
);
64 void gui_filter_line_reset(FilterViewerDataLine
*fvdl
);
65 GtkWidget
* h_guifilter(Tab
*tab
);
66 void filter_destroy_walk(gpointer data
, gpointer user_data
);
71 void callback_process_button(GtkWidget
*widget
, gpointer data
);
72 void callback_add_button(GtkWidget
*widget
, gpointer data
);
73 void callback_logical_op_box(GtkWidget
*widget
, gpointer data
);
74 void callback_expression_field(GtkWidget
*widget
, gpointer data
);
77 * @struct _FilterViewerDataLine
79 * @brief Defines a simple expression
80 * This structures defines a simple
81 * expression whithin the main filter
84 struct _FilterViewerDataLine
{
85 int row
; /**< row number */
86 gboolean visible
; /**< visible state */
87 GtkWidget
*f_not_op_box
; /**< '!' operator (GtkComboBox) */
88 GtkWidget
*f_logical_op_box
; /**< '&,|,^' operators (GtkComboBox) */
89 GtkWidget
*f_field_box
; /**< field types (GtkComboBox) */
90 GtkWidget
*f_math_op_box
; /**< '>,>=,<,<=,=,!=' operators (GtkComboBox) */
91 GtkWidget
*f_value_field
; /**< expression's value (GtkComboBox) */
95 * @struct _FilterViewerData
97 * @brief Main structure of gui filter
98 * Main struct for the filter gui module
100 struct _FilterViewerData
{
101 Tab
*tab
; /**< current tab of module */
103 GtkWidget
*f_main_box
; /**< main container */
105 GtkWidget
*f_expression_field
; /**< entire expression (GtkEntry) */
106 GtkWidget
*f_process_button
; /**< process expression button (GtkButton) */
108 GtkWidget
*f_logical_op_junction_box
; /**< linking operator box (GtkComboBox) */
110 int rows
; /**< number of rows */
111 GPtrArray
*f_lines
; /**< array of FilterViewerDataLine */
113 GPtrArray
*f_not_op_options
; /**< array of operators types for not_op box */
114 GPtrArray
*f_logical_op_options
; /**< array of operators types for logical_op box */
115 GPtrArray
*f_field_options
; /**< array of field types for field box */
116 GPtrArray
*f_math_op_options
; /**< array of operators types for math_op box */
118 GtkWidget
*f_add_button
; /**< add expression to current expression (GtkButton) */
123 * @fn GtkWidget* guifilter_get_widget(FilterViewerData*)
125 * This function returns the current main widget
126 * used by this module
127 * @param fvd the module struct
128 * @return The main widget
131 guifilter_get_widget(FilterViewerData
*fvd
)
133 return fvd
->f_main_box
;
137 * @fn FilterViewerData* gui_filter(Tab*)
139 * Constructor is used to create FilterViewerData data structure.
140 * @param tab The tab structure used by the widget
141 * @return The Filter viewer data created.
146 g_print("filter::gui_filter()");
149 GtkCellRenderer
*renderer
;
150 GtkTreeViewColumn
*column
;
152 FilterViewerData
* fvd
= g_new(FilterViewerData
,1);
156 // lttvwindow_register_traceset_notify(fvd->tab,
157 // filter_traceset_changed,
158 // filter_viewer_data);
159 // request_background_data(filter_viewer_data);
162 * Initiating items for
165 fvd
->f_not_op_options
= g_ptr_array_new();
166 g_ptr_array_add(fvd
->f_not_op_options
,(gpointer
) g_string_new(""));
167 g_ptr_array_add(fvd
->f_not_op_options
,(gpointer
) g_string_new("!"));
169 fvd
->f_logical_op_options
= g_ptr_array_new(); //g_array_new(FALSE,FALSE,sizeof(gchar));
170 g_ptr_array_add(fvd
->f_logical_op_options
,(gpointer
) g_string_new(""));
171 g_ptr_array_add(fvd
->f_logical_op_options
,(gpointer
) g_string_new("&"));
172 g_ptr_array_add(fvd
->f_logical_op_options
,(gpointer
) g_string_new("|"));
173 g_ptr_array_add(fvd
->f_logical_op_options
,(gpointer
) g_string_new("!"));
174 g_ptr_array_add(fvd
->f_logical_op_options
,(gpointer
) g_string_new("^"));
176 fvd
->f_field_options
= g_ptr_array_new(); //g_array_new(FALSE,FALSE,16);
177 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new(""));
178 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("event.name"));
179 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("event.category"));
180 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("event.time"));
181 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("event.tsc"));
183 * TODO: Add core.xml fields here !
185 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("tracefile.name"));
186 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("trace.name"));
187 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.pid"));
188 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.ppid"));
189 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.creation_time"));
190 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.insertion_time"));
191 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.execution_mode"));
192 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.execution_submode"));
193 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.process_status"));
194 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.cpu"));
196 fvd
->f_math_op_options
= g_ptr_array_new(); //g_array_new(FALSE,FALSE,7);
197 g_ptr_array_add(fvd
->f_math_op_options
,(gpointer
) g_string_new(""));
198 g_ptr_array_add(fvd
->f_math_op_options
,(gpointer
) g_string_new("="));
199 g_ptr_array_add(fvd
->f_math_op_options
,(gpointer
) g_string_new("!="));
200 g_ptr_array_add(fvd
->f_math_op_options
,(gpointer
) g_string_new("<"));
201 g_ptr_array_add(fvd
->f_math_op_options
,(gpointer
) g_string_new("<="));
202 g_ptr_array_add(fvd
->f_math_op_options
,(gpointer
) g_string_new(">"));
203 g_ptr_array_add(fvd
->f_math_op_options
,(gpointer
) g_string_new(">="));
207 * Initiating GtkTable layout
208 * starts with 2 rows and 5 columns and
209 * expands when expressions added
211 fvd
->f_main_box
= gtk_table_new(3,7,FALSE
);
212 gtk_table_set_row_spacings(GTK_TABLE(fvd
->f_main_box
),5);
213 gtk_table_set_col_spacings(GTK_TABLE(fvd
->f_main_box
),5);
216 * First half of the filter window
217 * - textual entry of filter expression
218 * - processing button
220 fvd
->f_expression_field
= gtk_entry_new(); //gtk_scrolled_window_new (NULL, NULL);
221 // gtk_entry_set_text(GTK_ENTRY(fvd->f_expression_field),"state.cpu>0");
222 gtk_widget_show (fvd
->f_expression_field
);
224 g_signal_connect (G_OBJECT (fvd
->f_expression_field
), "changed",
225 G_CALLBACK (callback_expression_field
), (gpointer
) fvd
);
227 fvd
->f_process_button
= gtk_button_new_with_label("Process");
228 gtk_widget_show (fvd
->f_process_button
);
230 g_signal_connect (G_OBJECT (fvd
->f_process_button
), "clicked",
231 G_CALLBACK (callback_process_button
), (gpointer
) fvd
);
233 gtk_table_attach( GTK_TABLE(fvd
->f_main_box
),fvd
->f_expression_field
,0,6,0,1,GTK_FILL
,GTK_FILL
,0,0);
234 gtk_table_attach( GTK_TABLE(fvd
->f_main_box
),fvd
->f_process_button
,6,7,0,1,GTK_FILL
,GTK_FILL
,0,0);
239 * Second half of the filter window
240 * - combo boxes featuring filtering options added to the expression
242 fvd
->f_add_button
= gtk_button_new_with_label("Add Expression");
243 gtk_widget_show (fvd
->f_add_button
);
245 g_signal_connect (G_OBJECT (fvd
->f_add_button
), "clicked",
246 G_CALLBACK (callback_add_button
), (gpointer
) fvd
);
248 gtk_table_attach( GTK_TABLE(fvd
->f_main_box
),fvd
->f_add_button
,6,7,1,2,GTK_FILL
,GTK_FILL
,0,0);
250 fvd
->f_logical_op_junction_box
= gtk_combo_box_new_text();
251 for(i
=0;i
<fvd
->f_logical_op_options
->len
;i
++) {
252 GString
* s
= g_ptr_array_index(fvd
->f_logical_op_options
,i
);
253 gtk_combo_box_append_text(GTK_COMBO_BOX(fvd
->f_logical_op_junction_box
), s
->str
);
255 gtk_combo_box_set_active(GTK_COMBO_BOX(fvd
->f_logical_op_junction_box
),0);
257 //gtk_widget_show(fvd->f_logical_op_box);
259 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);
261 /* initialize a new line */
262 fvd
->f_lines
= g_ptr_array_new();
264 FilterViewerDataLine
* fvdl
= gui_filter_add_line(fvd
);
265 g_ptr_array_add(fvd
->f_lines
,(gpointer
) fvdl
);
268 * show main container
270 gtk_widget_show(fvd
->f_main_box
);
273 g_object_set_data_full(
274 G_OBJECT(guifilter_get_widget(fvd
)),
275 "filter_viewer_data",
277 (GDestroyNotify
)gui_filter_destructor
);
284 * @fn FilterViewerDataLine* gui_filter_add_line(FilterViewerData*)
286 * Adds a filter option line on the module tab
287 * @param fvd The filter module structure
288 * @return The line structure
290 FilterViewerDataLine
*
291 gui_filter_add_line(FilterViewerData
* fvd
) {
293 FilterViewerDataLine
* fvdl
= g_new(FilterViewerDataLine
,1);
296 fvdl
->row
= fvd
->rows
;
297 fvdl
->visible
= TRUE
;
299 fvdl
->f_not_op_box
= gtk_combo_box_new_text();
300 for(i
=0;i
<fvd
->f_not_op_options
->len
;i
++) {
301 GString
* s
= g_ptr_array_index(fvd
->f_not_op_options
,i
);
302 gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl
->f_not_op_box
), s
->str
);
305 fvdl
->f_field_box
= gtk_combo_box_new_text();
306 for(i
=0;i
<fvd
->f_field_options
->len
;i
++) {
307 GString
* s
= g_ptr_array_index(fvd
->f_field_options
,i
);
308 // g_print("String field: %s\n",s->str);
309 gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl
->f_field_box
), s
->str
);
312 fvdl
->f_math_op_box
= gtk_combo_box_new_text();
313 for(i
=0;i
<fvd
->f_math_op_options
->len
;i
++) {
314 GString
* s
= g_ptr_array_index(fvd
->f_math_op_options
,i
);
315 gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl
->f_math_op_box
), s
->str
);
318 fvdl
->f_value_field
= gtk_entry_new();
320 fvdl
->f_logical_op_box
= gtk_combo_box_new_text();
321 for(i
=0;i
<fvd
->f_logical_op_options
->len
;i
++) {
322 GString
* s
= g_ptr_array_index(fvd
->f_logical_op_options
,i
);
323 gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl
->f_logical_op_box
), s
->str
);
325 gtk_widget_set_events(fvdl
->f_logical_op_box
,
326 GDK_ENTER_NOTIFY_MASK
|
327 GDK_LEAVE_NOTIFY_MASK
|
328 GDK_FOCUS_CHANGE_MASK
);
330 g_signal_connect (G_OBJECT (fvdl
->f_logical_op_box
), "changed",
331 G_CALLBACK (callback_logical_op_box
), (gpointer
) fvd
);
333 gui_filter_line_reset(fvdl
);
334 gui_filter_line_set_visible(fvdl
,TRUE
);
336 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);
337 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);
338 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);
339 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);
340 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);
346 * @fn void gui_filter_line_set_visible(FilterViewerDataLine*,gboolean)
348 * Change visible state of current FilterViewerDataLine
349 * @param fvdl pointer to the current FilterViewerDataLine
350 * @param v TRUE: sets visible, FALSE: sets invisible
353 gui_filter_line_set_visible(FilterViewerDataLine
*fvdl
, gboolean v
) {
357 gtk_widget_show(fvdl
->f_not_op_box
);
358 gtk_widget_show(fvdl
->f_field_box
);
359 gtk_widget_show(fvdl
->f_math_op_box
);
360 gtk_widget_show(fvdl
->f_value_field
);
361 gtk_widget_show(fvdl
->f_logical_op_box
);
363 gtk_widget_hide(fvdl
->f_not_op_box
);
364 gtk_widget_hide(fvdl
->f_field_box
);
365 gtk_widget_hide(fvdl
->f_math_op_box
);
366 gtk_widget_hide(fvdl
->f_value_field
);
367 gtk_widget_hide(fvdl
->f_logical_op_box
);
373 * @fn void gui_filter_line_reset(FilterViewerDataLine*)
375 * Sets selections of all boxes in current FilterViewerDataLine
376 * to default value (0)
377 * @param fvdl pointer to current FilterViewerDataLine
380 gui_filter_line_reset(FilterViewerDataLine
*fvdl
) {
382 gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl
->f_not_op_box
),0);
383 gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl
->f_field_box
),0);
384 gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl
->f_math_op_box
),0);
385 gtk_entry_set_text(GTK_ENTRY(fvdl
->f_value_field
),"");
386 gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl
->f_logical_op_box
),0);
390 * @fn void gui_filter_destructor(FilterViewerData*)
392 * Destructor for the filter gui module
393 * @param fvd The module structure
396 gui_filter_destructor(FilterViewerData
*fvd
)
400 /* May already been done by GTK window closing */
401 if(GTK_IS_WIDGET(guifilter_get_widget(fvd
))){
402 g_info("widget still exists");
405 // lttvwindow_unregister_traceset_notify(fvd->tab,
406 // filter_traceset_changed,
407 // filter_viewer_data);
409 lttvwindowtraces_background_notify_remove(fvd
);
416 * @fn GtkWidget* h_guifilter(Tab*)
418 * Filter Module's constructor hook
420 * This constructor is given as a parameter to the menuitem and toolbar button
421 * registration. It creates the list.
422 * @param tab A pointer to the parent window.
423 * @return The widget created.
426 h_guifilter(Tab
*tab
)
428 FilterViewerData
* f
= gui_filter(tab
) ;
431 return guifilter_get_widget(f
);
437 * @fn static void init()
439 * This function initializes the Filter Viewer functionnality through the
444 lttvwindow_register_constructor("guifilter",
446 "Insert Filter Module",
447 hGuiFilterInsert_xpm
,
448 "Insert Filter Module",
453 * @fn void filter_destroy_walk(gpointer,gpointer)
455 * Initiate the destruction of the current gui module
456 * on the GTK Interface
459 filter_destroy_walk(gpointer data
, gpointer user_data
)
461 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
463 g_debug("CFV.c : filter_destroy_walk, %p", fvd
);
465 /* May already have been done by GTK window closing */
466 if(GTK_IS_WIDGET(guifilter_get_widget(fvd
)))
467 gtk_widget_destroy(guifilter_get_widget(fvd
));
471 * @fn static void destroy()
472 * @brief plugin's destroy function
474 * This function releases the memory reserved by the module and unregisters
475 * everything that has been registered in the gtkTraceSet API.
477 static void destroy() {
479 lttvwindow_unregister_constructor(h_guifilter
);
484 * @fn void callback_process_button(GtkWidget*,gpointer)
486 * The Process Button callback function
487 * @param widget The Button widget passed to the callback function
488 * @param data Data sent along with the callback function
491 callback_process_button(GtkWidget
*widget
, gpointer data
) {
493 g_debug("callback_process_button(): Processing expression");
495 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
497 if(strlen(gtk_entry_get_text(GTK_ENTRY(fvd
->f_expression_field
))) !=0) {
498 LttvFilter
* filter
= lttv_filter_new();
499 GString
* s
= g_string_new(gtk_entry_get_text(GTK_ENTRY(fvd
->f_expression_field
)));
500 lttv_filter_append_expression(filter
,s
->str
);
501 g_string_free(s
,TRUE
);
502 //SetFilter(fvd->tab,filter);
503 lttvwindow_report_filter(fvd
->tab
, filter
);
508 * @fn void callback_expression_field(GtkWidget*,gpointer)
510 * The Add Button callback function
511 * @param widget The Button widget passed to the callback function
512 * @param data Data sent along with the callback function
515 callback_expression_field(GtkWidget
*widget
, gpointer data
) {
517 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
519 if(strlen(gtk_entry_get_text(GTK_ENTRY(fvd
->f_expression_field
))) !=0) {
520 gtk_widget_show(fvd
->f_logical_op_junction_box
);
522 gtk_widget_hide(fvd
->f_logical_op_junction_box
);
528 * @fn void callback_add_button(GtkWidget*,gpointer)
530 * The Add Button callback function
531 * @param widget The Button widget passed to the callback function
532 * @param data Data sent along with the callback function
535 callback_add_button(GtkWidget
*widget
, gpointer data
) {
537 g_debug("callback_add_button(): processing simple expressions");
541 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
542 FilterViewerDataLine
*fvdl
= NULL
;
543 GString
* a_filter_string
= g_string_new("");
546 * adding linking operator to
550 s
= g_ptr_array_index(fvd
->f_logical_op_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvd
->f_logical_op_junction_box
)));
551 g_string_append(a_filter_string
,s
->str
);
552 gtk_combo_box_set_active(GTK_COMBO_BOX(fvd
->f_logical_op_junction_box
),0);
554 /* begin expression */
555 g_string_append_c(a_filter_string
,'(');
558 * For each simple expression, add the resulting string
559 * to the filter string
561 * Each simple expression takes the following schema
562 * [not operator '!',' '] [field type] [math operator '<','<=','>','>=','=','!='] [value]
564 for(i
=0;i
<fvd
->f_lines
->len
;i
++) {
565 fvdl
= (FilterViewerDataLine
*)g_ptr_array_index(fvd
->f_lines
,i
);
567 s
= g_ptr_array_index(fvd
->f_not_op_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_not_op_box
)));
568 g_string_append(a_filter_string
,s
->str
);
570 s
= g_ptr_array_index(fvd
->f_field_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_field_box
)));
571 g_string_append(a_filter_string
,s
->str
);
573 s
= g_ptr_array_index(fvd
->f_math_op_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_math_op_box
)));
574 g_string_append(a_filter_string
,s
->str
);
576 g_string_append(a_filter_string
,gtk_entry_get_text(GTK_ENTRY(fvdl
->f_value_field
)));
578 s
= g_ptr_array_index(fvd
->f_logical_op_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_logical_op_box
)));
579 g_string_append(a_filter_string
,s
->str
);
582 * resetting simple expression lines
584 gui_filter_line_reset(fvdl
);
585 if(i
) gui_filter_line_set_visible(fvdl
,FALSE
); // Only keep the first line
589 g_string_append_c(a_filter_string
,')');
591 g_string_prepend(a_filter_string
,gtk_entry_get_text(GTK_ENTRY(fvd
->f_expression_field
)));
592 gtk_entry_set_text(GTK_ENTRY(fvd
->f_expression_field
),a_filter_string
->str
);
597 * @fn void callback_logical_op_box(GtkWidget*,gpointer)
599 * The logical op box callback function
600 * @param widget The Button widget passed to the callback function
601 * @param data Data sent along with the callback function
604 callback_logical_op_box(GtkWidget
*widget
, gpointer data
) {
606 g_debug("callback_logical_op_box(): adding new simple expression");
608 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
609 FilterViewerDataLine
*fvdl
= NULL
;
612 for(i
=0;i
<fvd
->f_lines
->len
;i
++) {
613 fvdl
= (FilterViewerDataLine
*)g_ptr_array_index(fvd
->f_lines
,i
);
614 if(fvdl
->f_logical_op_box
== widget
) {
615 if(gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_logical_op_box
)) == 0) return;
616 if(i
==fvd
->f_lines
->len
-1) { /* create a new line */
618 FilterViewerDataLine
* fvdl2
= gui_filter_add_line(fvd
);
619 g_ptr_array_add(fvd
->f_lines
,(gpointer
) fvdl2
);
621 FilterViewerDataLine
*fvdl2
= (FilterViewerDataLine
*)g_ptr_array_index(fvd
->f_lines
,i
+1);
622 if(!fvdl2
->visible
) gui_filter_line_set_visible(fvdl2
,TRUE
);
629 LTTV_MODULE("guifilter", "Filter window", \
630 "Graphical module that let user specify their filtering options", \
631 init
, destroy
, "lttvwindow")