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"
39 GSList
*g_filter_list
= NULL
;
41 /*! \file lttv/modules/gui/filter/filter.c
42 * \brief Graphic filter interface.
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
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.
56 typedef struct _FilterViewerData FilterViewerData
;
57 typedef struct _FilterViewerDataLine FilterViewerDataLine
;
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
);
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
);
80 * @struct _FilterViewerDataLine
82 * @brief Defines a simple expression
83 * This structures defines a simple
84 * expression whithin the main filter
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) */
98 * @struct _FilterViewerData
100 * @brief Main structure of gui filter
101 * Main struct for the filter gui module
103 struct _FilterViewerData
{
104 Tab
*tab
; /**< current tab of module */
106 GtkWidget
*f_window
; /**< filter window */
108 GtkWidget
*f_main_box
; /**< main container */
110 GtkWidget
*f_expression_field
; /**< entire expression (GtkEntry) */
111 GtkWidget
*f_process_button
; /**< process expression button (GtkButton) */
113 GtkWidget
*f_logical_op_junction_box
; /**< linking operator box (GtkComboBox) */
115 int rows
; /**< number of rows */
116 GPtrArray
*f_lines
; /**< array of FilterViewerDataLine */
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 */
123 GtkWidget
*f_add_button
; /**< add expression to current expression (GtkButton) */
125 gchar
*name
; /**< Name of the window in the main window */
129 * @fn GtkWidget* guifilter_get_widget(FilterViewerData*)
131 * This function returns the current main widget
132 * used by this module
133 * @param fvd the module struct
134 * @return The main widget
137 guifilter_get_widget(FilterViewerData
*fvd
)
139 return fvd
->f_window
;
143 * @fn FilterViewerData* gui_filter(Tab*)
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.
152 g_print("filter::gui_filter()");
155 GtkCellRenderer
*renderer
;
156 GtkTreeViewColumn
*column
;
158 FilterViewerData
* fvd
= g_new(FilterViewerData
,1);
162 // lttvwindow_register_traceset_notify(fvd->tab,
163 // filter_traceset_changed,
164 // filter_viewer_data);
165 // request_background_data(filter_viewer_data);
168 * Initiating items for
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("!"));
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("^"));
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"));
189 * TODO: Add core.xml fields here !
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.pid"));
194 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.ppid"));
195 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.creation_time"));
196 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.insertion_time"));
197 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.execution_mode"));
198 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.execution_submode"));
199 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.process_status"));
200 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.cpu"));
202 fvd
->f_math_op_options
= g_ptr_array_new(); //g_array_new(FALSE,FALSE,7);
203 g_ptr_array_add(fvd
->f_math_op_options
,(gpointer
) g_string_new(""));
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(">="));
212 fvd
->f_window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
215 * Initiating GtkTable layout
216 * starts with 2 rows and 5 columns and
217 * expands when expressions added
219 fvd
->f_main_box
= gtk_table_new(3,7,FALSE
);
220 gtk_table_set_row_spacings(GTK_TABLE(fvd
->f_main_box
),5);
221 gtk_table_set_col_spacings(GTK_TABLE(fvd
->f_main_box
),5);
223 gtk_container_add(GTK_CONTAINER(fvd
->f_window
), GTK_WIDGET(fvd
->f_main_box
));
226 * First half of the filter window
227 * - textual entry of filter expression
228 * - processing button
230 fvd
->f_expression_field
= gtk_entry_new(); //gtk_scrolled_window_new (NULL, NULL);
231 // gtk_entry_set_text(GTK_ENTRY(fvd->f_expression_field),"state.cpu>0");
232 gtk_widget_show (fvd
->f_expression_field
);
234 g_signal_connect (G_OBJECT (fvd
->f_expression_field
), "changed",
235 G_CALLBACK (callback_expression_field
), (gpointer
) fvd
);
237 fvd
->f_process_button
= gtk_button_new_with_label("Process");
238 gtk_widget_show (fvd
->f_process_button
);
240 g_signal_connect (G_OBJECT (fvd
->f_process_button
), "clicked",
241 G_CALLBACK (callback_process_button
), (gpointer
) fvd
);
243 gtk_table_attach( GTK_TABLE(fvd
->f_main_box
),fvd
->f_expression_field
,0,6,0,1,GTK_FILL
,GTK_FILL
,0,0);
244 gtk_table_attach( GTK_TABLE(fvd
->f_main_box
),fvd
->f_process_button
,6,7,0,1,GTK_FILL
,GTK_FILL
,0,0);
249 * Second half of the filter window
250 * - combo boxes featuring filtering options added to the expression
252 fvd
->f_add_button
= gtk_button_new_with_label("Add Expression");
253 gtk_widget_show (fvd
->f_add_button
);
255 g_signal_connect (G_OBJECT (fvd
->f_add_button
), "clicked",
256 G_CALLBACK (callback_add_button
), (gpointer
) fvd
);
258 gtk_table_attach( GTK_TABLE(fvd
->f_main_box
),fvd
->f_add_button
,6,7,1,2,GTK_FILL
,GTK_FILL
,0,0);
260 fvd
->f_logical_op_junction_box
= gtk_combo_box_new_text();
261 for(i
=0;i
<fvd
->f_logical_op_options
->len
;i
++) {
262 GString
* s
= g_ptr_array_index(fvd
->f_logical_op_options
,i
);
263 gtk_combo_box_append_text(GTK_COMBO_BOX(fvd
->f_logical_op_junction_box
), s
->str
);
265 gtk_combo_box_set_active(GTK_COMBO_BOX(fvd
->f_logical_op_junction_box
),0);
267 //gtk_widget_show(fvd->f_logical_op_box);
269 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 gtk_container_set_border_width(GTK_CONTAINER(fvd
->f_main_box
), 1);
273 /* initialize a new line */
274 fvd
->f_lines
= g_ptr_array_new();
276 FilterViewerDataLine
* fvdl
= gui_filter_add_line(fvd
);
277 g_ptr_array_add(fvd
->f_lines
,(gpointer
) fvdl
);
280 * show main container
282 gtk_widget_show(fvd
->f_main_box
);
283 gtk_widget_show(fvd
->f_window
);
286 g_object_set_data_full(
287 G_OBJECT(guifilter_get_widget(fvd
)),
288 "filter_viewer_data",
290 (GDestroyNotify
)gui_filter_destructor
);
292 g_filter_list
= g_slist_append(
300 * @fn FilterViewerDataLine* gui_filter_add_line(FilterViewerData*)
302 * Adds a filter option line on the module tab
303 * @param fvd The filter module structure
304 * @return The line structure
306 FilterViewerDataLine
*
307 gui_filter_add_line(FilterViewerData
* fvd
) {
309 FilterViewerDataLine
* fvdl
= g_new(FilterViewerDataLine
,1);
312 fvdl
->row
= fvd
->rows
;
313 fvdl
->visible
= TRUE
;
315 fvdl
->f_not_op_box
= gtk_combo_box_new_text();
316 for(i
=0;i
<fvd
->f_not_op_options
->len
;i
++) {
317 GString
* s
= g_ptr_array_index(fvd
->f_not_op_options
,i
);
318 gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl
->f_not_op_box
), s
->str
);
321 fvdl
->f_field_box
= gtk_combo_box_new_text();
322 for(i
=0;i
<fvd
->f_field_options
->len
;i
++) {
323 GString
* s
= g_ptr_array_index(fvd
->f_field_options
,i
);
324 // g_print("String field: %s\n",s->str);
325 gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl
->f_field_box
), s
->str
);
328 fvdl
->f_math_op_box
= gtk_combo_box_new_text();
329 for(i
=0;i
<fvd
->f_math_op_options
->len
;i
++) {
330 GString
* s
= g_ptr_array_index(fvd
->f_math_op_options
,i
);
331 gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl
->f_math_op_box
), s
->str
);
334 fvdl
->f_value_field
= gtk_entry_new();
336 fvdl
->f_logical_op_box
= gtk_combo_box_new_text();
337 for(i
=0;i
<fvd
->f_logical_op_options
->len
;i
++) {
338 GString
* s
= g_ptr_array_index(fvd
->f_logical_op_options
,i
);
339 gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl
->f_logical_op_box
), s
->str
);
341 gtk_widget_set_events(fvdl
->f_logical_op_box
,
342 GDK_ENTER_NOTIFY_MASK
|
343 GDK_LEAVE_NOTIFY_MASK
|
344 GDK_FOCUS_CHANGE_MASK
);
346 g_signal_connect (G_OBJECT (fvdl
->f_logical_op_box
), "changed",
347 G_CALLBACK (callback_logical_op_box
), (gpointer
) fvd
);
349 gui_filter_line_reset(fvdl
);
350 gui_filter_line_set_visible(fvdl
,TRUE
);
352 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);
353 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);
354 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);
355 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);
356 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);
362 * @fn void gui_filter_line_set_visible(FilterViewerDataLine*,gboolean)
364 * Change visible state of current FilterViewerDataLine
365 * @param fvdl pointer to the current FilterViewerDataLine
366 * @param v TRUE: sets visible, FALSE: sets invisible
369 gui_filter_line_set_visible(FilterViewerDataLine
*fvdl
, gboolean v
) {
373 gtk_widget_show(fvdl
->f_not_op_box
);
374 gtk_widget_show(fvdl
->f_field_box
);
375 gtk_widget_show(fvdl
->f_math_op_box
);
376 gtk_widget_show(fvdl
->f_value_field
);
377 gtk_widget_show(fvdl
->f_logical_op_box
);
379 gtk_widget_hide(fvdl
->f_not_op_box
);
380 gtk_widget_hide(fvdl
->f_field_box
);
381 gtk_widget_hide(fvdl
->f_math_op_box
);
382 gtk_widget_hide(fvdl
->f_value_field
);
383 gtk_widget_hide(fvdl
->f_logical_op_box
);
389 * @fn void gui_filter_line_reset(FilterViewerDataLine*)
391 * Sets selections of all boxes in current FilterViewerDataLine
392 * to default value (0)
393 * @param fvdl pointer to current FilterViewerDataLine
396 gui_filter_line_reset(FilterViewerDataLine
*fvdl
) {
398 gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl
->f_not_op_box
),0);
399 gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl
->f_field_box
),0);
400 gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl
->f_math_op_box
),0);
401 gtk_entry_set_text(GTK_ENTRY(fvdl
->f_value_field
),"");
402 gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl
->f_logical_op_box
),0);
406 * @fn void gui_filter_destructor(FilterViewerData*)
408 * Destructor for the filter gui module
409 * @param fvd The module structure
412 gui_filter_destructor(FilterViewerData
*fvd
)
416 /* May already been done by GTK window closing */
417 if(GTK_IS_WIDGET(guifilter_get_widget(fvd
))){
418 g_info("widget still exists");
421 // lttvwindow_unregister_traceset_notify(fvd->tab,
422 // filter_traceset_changed,
423 // filter_viewer_data);
425 lttvwindowtraces_background_notify_remove(fvd
);
427 g_filter_list
= g_slist_remove(g_filter_list
, fvd
);
429 main_window_remove_child_window(tab
, fvd
->name
);
438 * @fn GtkWidget* h_guifilter(Tab*)
440 * Filter Module's constructor hook
442 * This constructor is given as a parameter to the menuitem and toolbar button
443 * registration. It creates the list.
444 * @param tab A pointer to the parent window.
445 * @return The widget created.
448 h_guifilter(Tab
*tab
)
450 FilterViewerData
* f
= gui_filter(tab
) ;
451 f
->name
= g_new(gchar
, 256);
453 snprintf(f
->name
, 256, "guifilter %p", f
);
456 main_window_add_child_window(tab
, f
,
457 f
->name
, (GDestroyNotify
)gui_filter_destructor
);
463 * @fn static void init()
465 * This function initializes the Filter Viewer functionnality through the
470 lttvwindow_register_constructor("guifilter",
472 "Insert Filter Module",
473 hGuiFilterInsert_xpm
,
474 "Insert Filter Module",
479 * @fn void filter_destroy_walk(gpointer,gpointer)
481 * Initiate the destruction of the current gui module
482 * on the GTK Interface
485 filter_destroy_walk(gpointer data
, gpointer user_data
)
487 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
489 g_debug("CFV.c : filter_destroy_walk, %p", fvd
);
491 /* May already have been done by GTK window closing */
492 if(GTK_IS_WIDGET(guifilter_get_widget(fvd
)))
493 gtk_widget_destroy(guifilter_get_widget(fvd
));
497 * @fn static void destroy()
498 * @brief plugin's destroy function
500 * This function releases the memory reserved by the module and unregisters
501 * everything that has been registered in the gtkTraceSet API.
503 static void destroy() {
505 g_slist_foreach(g_filter_list
, filter_destroy_walk
, NULL
);
507 lttvwindow_unregister_constructor(h_guifilter
);
512 * @fn void callback_process_button(GtkWidget*,gpointer)
514 * The Process Button callback function
515 * @param widget The Button widget passed to the callback function
516 * @param data Data sent along with the callback function
519 callback_process_button(GtkWidget
*widget
, gpointer data
) {
521 g_debug("callback_process_button(): Processing expression");
523 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
525 if(strlen(gtk_entry_get_text(GTK_ENTRY(fvd
->f_expression_field
))) !=0) {
526 LttvFilter
* filter
= lttv_filter_new();
527 GString
* s
= g_string_new(gtk_entry_get_text(GTK_ENTRY(fvd
->f_expression_field
)));
528 lttv_filter_append_expression(filter
,s
->str
);
529 g_string_free(s
,TRUE
);
530 //SetFilter(fvd->tab,filter);
531 lttvwindow_report_filter(fvd
->tab
, filter
);
536 * @fn void callback_expression_field(GtkWidget*,gpointer)
538 * The Add Button callback function
539 * @param widget The Button widget passed to the callback function
540 * @param data Data sent along with the callback function
543 callback_expression_field(GtkWidget
*widget
, gpointer data
) {
545 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
547 if(strlen(gtk_entry_get_text(GTK_ENTRY(fvd
->f_expression_field
))) !=0) {
548 gtk_widget_show(fvd
->f_logical_op_junction_box
);
550 gtk_widget_hide(fvd
->f_logical_op_junction_box
);
556 * @fn void callback_add_button(GtkWidget*,gpointer)
558 * The Add Button callback function
559 * @param widget The Button widget passed to the callback function
560 * @param data Data sent along with the callback function
563 callback_add_button(GtkWidget
*widget
, gpointer data
) {
565 g_debug("callback_add_button(): processing simple expressions");
569 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
570 FilterViewerDataLine
*fvdl
= NULL
;
571 GString
* a_filter_string
= g_string_new("");
574 * adding linking operator to
578 s
= g_ptr_array_index(fvd
->f_logical_op_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvd
->f_logical_op_junction_box
)));
579 g_string_append(a_filter_string
,s
->str
);
580 gtk_combo_box_set_active(GTK_COMBO_BOX(fvd
->f_logical_op_junction_box
),0);
582 /* begin expression */
583 g_string_append_c(a_filter_string
,'(');
586 * For each simple expression, add the resulting string
587 * to the filter string
589 * Each simple expression takes the following schema
590 * [not operator '!',' '] [field type] [math operator '<','<=','>','>=','=','!='] [value]
592 for(i
=0;i
<fvd
->f_lines
->len
;i
++) {
593 fvdl
= (FilterViewerDataLine
*)g_ptr_array_index(fvd
->f_lines
,i
);
595 s
= g_ptr_array_index(fvd
->f_not_op_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_not_op_box
)));
596 g_string_append(a_filter_string
,s
->str
);
598 s
= g_ptr_array_index(fvd
->f_field_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_field_box
)));
599 g_string_append(a_filter_string
,s
->str
);
601 s
= g_ptr_array_index(fvd
->f_math_op_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_math_op_box
)));
602 g_string_append(a_filter_string
,s
->str
);
604 g_string_append(a_filter_string
,gtk_entry_get_text(GTK_ENTRY(fvdl
->f_value_field
)));
606 s
= g_ptr_array_index(fvd
->f_logical_op_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_logical_op_box
)));
607 g_string_append(a_filter_string
,s
->str
);
610 * resetting simple expression lines
612 gui_filter_line_reset(fvdl
);
613 if(i
) gui_filter_line_set_visible(fvdl
,FALSE
); // Only keep the first line
617 g_string_append_c(a_filter_string
,')');
619 g_string_prepend(a_filter_string
,gtk_entry_get_text(GTK_ENTRY(fvd
->f_expression_field
)));
620 gtk_entry_set_text(GTK_ENTRY(fvd
->f_expression_field
),a_filter_string
->str
);
625 * @fn void callback_logical_op_box(GtkWidget*,gpointer)
627 * The logical op box callback function
628 * @param widget The Button widget passed to the callback function
629 * @param data Data sent along with the callback function
632 callback_logical_op_box(GtkWidget
*widget
, gpointer data
) {
634 g_debug("callback_logical_op_box(): adding new simple expression");
636 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
637 FilterViewerDataLine
*fvdl
= NULL
;
640 for(i
=0;i
<fvd
->f_lines
->len
;i
++) {
641 fvdl
= (FilterViewerDataLine
*)g_ptr_array_index(fvd
->f_lines
,i
);
642 if(fvdl
->f_logical_op_box
== widget
) {
643 if(gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_logical_op_box
)) == 0) return;
644 if(i
==fvd
->f_lines
->len
-1) { /* create a new line */
646 FilterViewerDataLine
* fvdl2
= gui_filter_add_line(fvd
);
647 g_ptr_array_add(fvd
->f_lines
,(gpointer
) fvdl2
);
649 FilterViewerDataLine
*fvdl2
= (FilterViewerDataLine
*)g_ptr_array_index(fvd
->f_lines
,i
+1);
650 if(!fvdl2
->visible
) gui_filter_line_set_visible(fvdl2
,TRUE
);
657 LTTV_MODULE("guifilter", "Filter window", \
658 "Graphical module that let user specify their filtering options", \
659 init
, destroy
, "lttvwindow")