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,
27 #include <gdk/gdkkeysyms.h>
29 #include <lttv/lttv.h>
30 #include <lttv/module.h>
31 #include <lttv/hook.h>
32 #include <lttv/filter.h>
34 #include <lttvwindow/lttvwindow.h>
35 #include <lttvwindow/lttvwindowtraces.h>
37 #include "hGuiFilterInsert.xpm"
40 GSList
*g_filter_list
= NULL
;
42 /*! \file lttv/modules/gui/filter/filter.c
43 * \brief Graphic filter interface.
45 * The gui filter facility gives the user an easy to use
46 * basic interface to construct and modify at will a filter
47 * expression. User may either decide to write it himself in
48 * expression text entry or add simple expressions using the
51 * \note The version of gtk-2.0 currently installed on
52 * my desktop misses some function of the newer
53 * gtk+ api. For the time being, I'll use the older api
54 * to keep compatibility with most systems.
57 typedef struct _FilterViewerData FilterViewerData
;
58 typedef struct _FilterViewerDataLine FilterViewerDataLine
;
63 GtkWidget
*guifilter_get_widget(FilterViewerData
*fvd
);
64 FilterViewerData
*gui_filter(Tab
*tab
);
65 void gui_filter_destructor(FilterViewerData
*fvd
);
66 FilterViewerDataLine
* gui_filter_add_line(FilterViewerData
*fvd
);
67 void gui_filter_line_set_visible(FilterViewerDataLine
*fvdl
, gboolean v
);
68 void gui_filter_line_reset(FilterViewerDataLine
*fvdl
);
69 GtkWidget
* h_guifilter(Tab
*tab
);
70 void filter_destroy_walk(gpointer data
, gpointer user_data
);
75 void callback_process_button(GtkWidget
*widget
, gpointer data
);
76 gboolean
callback_enter_check(GtkWidget
*widget
,
79 void callback_add_button(GtkWidget
*widget
, gpointer data
);
80 void callback_logical_op_box(GtkWidget
*widget
, gpointer data
);
81 void callback_expression_field(GtkWidget
*widget
, gpointer data
);
84 * @struct _FilterViewerDataLine
86 * @brief Defines a simple expression
87 * This structures defines a simple
88 * expression whithin the main filter
91 struct _FilterViewerDataLine
{
92 int row
; /**< row number */
93 gboolean visible
; /**< visible state */
94 GtkWidget
*f_not_op_box
; /**< '!' operator (GtkComboBox) */
95 GtkWidget
*f_logical_op_box
; /**< '&,|,^' operators (GtkComboBox) */
96 GtkWidget
*f_field_box
; /**< field types (GtkComboBox) */
97 GtkWidget
*f_math_op_box
; /**< '>,>=,<,<=,=,!=' operators (GtkComboBox) */
98 GtkWidget
*f_value_field
; /**< expression's value (GtkComboBox) */
102 * @struct _FilterViewerData
104 * @brief Main structure of gui filter
105 * Main struct for the filter gui module
107 struct _FilterViewerData
{
108 Tab
*tab
; /**< current tab of module */
110 GtkWidget
*f_window
; /**< filter window */
112 GtkWidget
*f_main_box
; /**< main container */
114 GtkWidget
*f_expression_field
; /**< entire expression (GtkEntry) */
115 GtkWidget
*f_process_button
; /**< process expression button (GtkButton) */
117 GtkWidget
*f_logical_op_junction_box
; /**< linking operator box (GtkComboBox) */
119 int rows
; /**< number of rows */
120 GPtrArray
*f_lines
; /**< array of FilterViewerDataLine */
122 GPtrArray
*f_not_op_options
; /**< array of operators types for not_op box */
123 GPtrArray
*f_logical_op_options
; /**< array of operators types for logical_op box */
124 GPtrArray
*f_field_options
; /**< array of field types for field box */
125 GPtrArray
*f_math_op_options
; /**< array of operators types for math_op box */
127 GtkWidget
*f_add_button
; /**< add expression to current expression (GtkButton) */
132 * @fn GtkWidget* guifilter_get_widget(FilterViewerData*)
134 * This function returns the current main widget
135 * used by this module
136 * @param fvd the module struct
137 * @return The main widget
140 guifilter_get_widget(FilterViewerData
*fvd
)
142 return fvd
->f_window
;
146 * @fn FilterViewerData* gui_filter(Tab*)
148 * Constructor is used to create FilterViewerData data structure.
149 * @param tab The tab structure used by the widget
150 * @return The Filter viewer data created.
155 g_debug("filter::gui_filter()");
158 GtkCellRenderer
*renderer
;
159 GtkTreeViewColumn
*column
;
161 FilterViewerData
* fvd
= g_new(FilterViewerData
,1);
165 // lttvwindow_register_traceset_notify(fvd->tab,
166 // filter_traceset_changed,
167 // filter_viewer_data);
168 // request_background_data(filter_viewer_data);
171 * Initiating items for
174 fvd
->f_not_op_options
= g_ptr_array_new();
175 g_ptr_array_add(fvd
->f_not_op_options
,(gpointer
) g_string_new(""));
176 g_ptr_array_add(fvd
->f_not_op_options
,(gpointer
) g_string_new("!"));
178 fvd
->f_logical_op_options
= g_ptr_array_new(); //g_array_new(FALSE,FALSE,sizeof(gchar));
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 g_ptr_array_add(fvd
->f_logical_op_options
,(gpointer
) g_string_new("|"));
182 g_ptr_array_add(fvd
->f_logical_op_options
,(gpointer
) g_string_new("!"));
183 g_ptr_array_add(fvd
->f_logical_op_options
,(gpointer
) g_string_new("^"));
185 fvd
->f_field_options
= g_ptr_array_new(); //g_array_new(FALSE,FALSE,16);
186 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new(""));
187 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("event.name"));
188 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("event.facility"));
189 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("event.category"));
190 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("event.time"));
191 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("event.tsc"));
193 * TODO: Add core.xml fields here !
195 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("tracefile.name"));
196 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("trace.name"));
197 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.process_name"));
198 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.pid"));
199 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.ppid"));
200 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.creation_time"));
201 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.insertion_time"));
202 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.execution_mode"));
203 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.execution_submode"));
204 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.process_status"));
205 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.cpu"));
207 fvd
->f_math_op_options
= g_ptr_array_new(); //g_array_new(FALSE,FALSE,7);
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 g_ptr_array_add(fvd
->f_math_op_options
,(gpointer
) g_string_new("<"));
212 g_ptr_array_add(fvd
->f_math_op_options
,(gpointer
) g_string_new("<="));
213 g_ptr_array_add(fvd
->f_math_op_options
,(gpointer
) g_string_new(">"));
214 g_ptr_array_add(fvd
->f_math_op_options
,(gpointer
) g_string_new(">="));
217 fvd
->f_window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
218 gtk_window_set_transient_for(GTK_WINDOW(fvd
->f_window
),
219 GTK_WINDOW(main_window_get_widget(tab
)));
220 gtk_window_set_destroy_with_parent(GTK_WINDOW(fvd
->f_window
), TRUE
);
223 * Initiating GtkTable layout
224 * starts with 2 rows and 5 columns and
225 * expands when expressions added
227 fvd
->f_main_box
= gtk_table_new(3,7,FALSE
);
228 gtk_table_set_row_spacings(GTK_TABLE(fvd
->f_main_box
),5);
229 gtk_table_set_col_spacings(GTK_TABLE(fvd
->f_main_box
),5);
231 gtk_container_add(GTK_CONTAINER(fvd
->f_window
), GTK_WIDGET(fvd
->f_main_box
));
234 * First half of the filter window
235 * - textual entry of filter expression
236 * - processing button
238 fvd
->f_expression_field
= gtk_entry_new(); //gtk_scrolled_window_new (NULL, NULL);
239 g_signal_connect (G_OBJECT(fvd
->f_expression_field
),
240 "key-press-event", G_CALLBACK (callback_enter_check
), (gpointer
)fvd
);
241 // gtk_entry_set_text(GTK_ENTRY(fvd->f_expression_field),"state.cpu>0");
242 gtk_widget_show (fvd
->f_expression_field
);
244 g_signal_connect (G_OBJECT (fvd
->f_expression_field
), "changed",
245 G_CALLBACK (callback_expression_field
), (gpointer
) fvd
);
247 fvd
->f_process_button
= gtk_button_new_with_label("Process");
248 gtk_widget_show (fvd
->f_process_button
);
250 g_signal_connect (G_OBJECT (fvd
->f_process_button
), "clicked",
251 G_CALLBACK (callback_process_button
), (gpointer
) fvd
);
253 gtk_table_attach( GTK_TABLE(fvd
->f_main_box
),fvd
->f_expression_field
,0,6,0,1,GTK_FILL
,GTK_FILL
,0,0);
254 gtk_table_attach( GTK_TABLE(fvd
->f_main_box
),fvd
->f_process_button
,6,7,0,1,GTK_FILL
,GTK_FILL
,0,0);
259 * Second half of the filter window
260 * - combo boxes featuring filtering options added to the expression
262 fvd
->f_add_button
= gtk_button_new_with_label("Add Expression");
263 gtk_widget_show (fvd
->f_add_button
);
265 g_signal_connect (G_OBJECT (fvd
->f_add_button
), "clicked",
266 G_CALLBACK (callback_add_button
), (gpointer
) fvd
);
268 gtk_table_attach( GTK_TABLE(fvd
->f_main_box
),fvd
->f_add_button
,6,7,1,2,GTK_FILL
,GTK_FILL
,0,0);
270 fvd
->f_logical_op_junction_box
= gtk_combo_box_new_text();
271 for(i
=0;i
<fvd
->f_logical_op_options
->len
;i
++) {
272 GString
* s
= g_ptr_array_index(fvd
->f_logical_op_options
,i
);
273 gtk_combo_box_append_text(GTK_COMBO_BOX(fvd
->f_logical_op_junction_box
), s
->str
);
275 gtk_combo_box_set_active(GTK_COMBO_BOX(fvd
->f_logical_op_junction_box
),0);
277 //gtk_widget_show(fvd->f_logical_op_box);
279 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);
281 gtk_container_set_border_width(GTK_CONTAINER(fvd
->f_main_box
), 1);
283 /* initialize a new line */
284 fvd
->f_lines
= g_ptr_array_new();
286 FilterViewerDataLine
* fvdl
= gui_filter_add_line(fvd
);
287 g_ptr_array_add(fvd
->f_lines
,(gpointer
) fvdl
);
290 * show main container
292 gtk_widget_show(fvd
->f_main_box
);
293 gtk_widget_show(fvd
->f_window
);
296 g_object_set_data_full(
297 G_OBJECT(guifilter_get_widget(fvd
)),
298 "filter_viewer_data",
300 (GDestroyNotify
)gui_filter_destructor
);
302 g_filter_list
= g_slist_append(
310 * @fn FilterViewerDataLine* gui_filter_add_line(FilterViewerData*)
312 * Adds a filter option line on the module tab
313 * @param fvd The filter module structure
314 * @return The line structure
316 FilterViewerDataLine
*
317 gui_filter_add_line(FilterViewerData
* fvd
) {
319 FilterViewerDataLine
* fvdl
= g_new(FilterViewerDataLine
,1);
322 fvdl
->row
= fvd
->rows
;
323 fvdl
->visible
= TRUE
;
325 fvdl
->f_not_op_box
= gtk_combo_box_new_text();
326 for(i
=0;i
<fvd
->f_not_op_options
->len
;i
++) {
327 GString
* s
= g_ptr_array_index(fvd
->f_not_op_options
,i
);
328 gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl
->f_not_op_box
), s
->str
);
331 fvdl
->f_field_box
= gtk_combo_box_new_text();
332 for(i
=0;i
<fvd
->f_field_options
->len
;i
++) {
333 GString
* s
= g_ptr_array_index(fvd
->f_field_options
,i
);
334 // g_print("String field: %s\n",s->str);
335 gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl
->f_field_box
), s
->str
);
338 fvdl
->f_math_op_box
= gtk_combo_box_new_text();
339 for(i
=0;i
<fvd
->f_math_op_options
->len
;i
++) {
340 GString
* s
= g_ptr_array_index(fvd
->f_math_op_options
,i
);
341 gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl
->f_math_op_box
), s
->str
);
344 fvdl
->f_value_field
= gtk_entry_new();
346 fvdl
->f_logical_op_box
= gtk_combo_box_new_text();
347 for(i
=0;i
<fvd
->f_logical_op_options
->len
;i
++) {
348 GString
* s
= g_ptr_array_index(fvd
->f_logical_op_options
,i
);
349 gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl
->f_logical_op_box
), s
->str
);
351 gtk_widget_set_events(fvdl
->f_logical_op_box
,
352 GDK_ENTER_NOTIFY_MASK
|
353 GDK_LEAVE_NOTIFY_MASK
|
354 GDK_FOCUS_CHANGE_MASK
);
356 g_signal_connect (G_OBJECT (fvdl
->f_logical_op_box
), "changed",
357 G_CALLBACK (callback_logical_op_box
), (gpointer
) fvd
);
359 gui_filter_line_reset(fvdl
);
360 gui_filter_line_set_visible(fvdl
,TRUE
);
362 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);
363 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);
364 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);
365 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);
366 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);
372 * @fn void gui_filter_line_set_visible(FilterViewerDataLine*,gboolean)
374 * Change visible state of current FilterViewerDataLine
375 * @param fvdl pointer to the current FilterViewerDataLine
376 * @param v TRUE: sets visible, FALSE: sets invisible
379 gui_filter_line_set_visible(FilterViewerDataLine
*fvdl
, gboolean v
) {
383 gtk_widget_show(fvdl
->f_not_op_box
);
384 gtk_widget_show(fvdl
->f_field_box
);
385 gtk_widget_show(fvdl
->f_math_op_box
);
386 gtk_widget_show(fvdl
->f_value_field
);
387 gtk_widget_show(fvdl
->f_logical_op_box
);
389 gtk_widget_hide(fvdl
->f_not_op_box
);
390 gtk_widget_hide(fvdl
->f_field_box
);
391 gtk_widget_hide(fvdl
->f_math_op_box
);
392 gtk_widget_hide(fvdl
->f_value_field
);
393 gtk_widget_hide(fvdl
->f_logical_op_box
);
399 * @fn void gui_filter_line_reset(FilterViewerDataLine*)
401 * Sets selections of all boxes in current FilterViewerDataLine
402 * to default value (0)
403 * @param fvdl pointer to current FilterViewerDataLine
406 gui_filter_line_reset(FilterViewerDataLine
*fvdl
) {
408 gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl
->f_not_op_box
),0);
409 gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl
->f_field_box
),0);
410 gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl
->f_math_op_box
),0);
411 gtk_entry_set_text(GTK_ENTRY(fvdl
->f_value_field
),"");
412 gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl
->f_logical_op_box
),0);
416 * @fn void gui_filter_destructor(FilterViewerData*)
418 * Destructor for the filter gui module
419 * @param fvd The module structure
422 gui_filter_destructor(FilterViewerData
*fvd
)
426 /* May already been done by GTK window closing */
427 if(GTK_IS_WIDGET(guifilter_get_widget(fvd
))){
428 g_info("widget still exists");
431 // lttvwindow_unregister_traceset_notify(fvd->tab,
432 // filter_traceset_changed,
433 // filter_viewer_data);
435 lttvwindowtraces_background_notify_remove(fvd
);
437 g_filter_list
= g_slist_remove(g_filter_list
, fvd
);
444 * @fn GtkWidget* h_guifilter(Tab*)
446 * Filter Module's constructor hook
448 * This constructor is given as a parameter to the menuitem and toolbar button
449 * registration. It creates the list.
450 * @param tab A pointer to the parent window.
451 * @return The widget created.
454 h_guifilter(Tab
*tab
)
456 FilterViewerData
* f
= gui_filter(tab
) ;
462 * @fn static void init()
464 * This function initializes the Filter Viewer functionnality through the
469 lttvwindow_register_constructor("guifilter",
471 "Insert Filter Module",
472 hGuiFilterInsert_xpm
,
473 "Insert Filter Module",
478 * @fn void filter_destroy_walk(gpointer,gpointer)
480 * Initiate the destruction of the current gui module
481 * on the GTK Interface
484 filter_destroy_walk(gpointer data
, gpointer user_data
)
486 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
488 g_debug("CFV.c : filter_destroy_walk, %p", fvd
);
490 /* May already have been done by GTK window closing */
491 if(GTK_IS_WIDGET(guifilter_get_widget(fvd
)))
492 gtk_widget_destroy(guifilter_get_widget(fvd
));
496 * @fn static void destroy()
497 * @brief plugin's destroy function
499 * This function releases the memory reserved by the module and unregisters
500 * everything that has been registered in the gtkTraceSet API.
502 static void destroy() {
504 g_slist_foreach(g_filter_list
, filter_destroy_walk
, NULL
);
506 lttvwindow_unregister_constructor(h_guifilter
);
511 * @fn void callback_process_button(GtkWidget*,gpointer)
513 * The Process Button callback function
514 * @param widget The Button widget passed to the callback function
515 * @param data Data sent along with the callback function
518 callback_process_button(GtkWidget
*widget
, gpointer data
) {
520 g_debug("callback_process_button(): Processing expression");
522 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
525 if(strlen(gtk_entry_get_text(GTK_ENTRY(fvd
->f_expression_field
))) !=0) {
526 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);
534 lttvwindow_report_filter(fvd
->tab
, filter
);
537 gboolean
callback_enter_check(GtkWidget
*widget
,
541 g_debug("typed : %x", event
->keyval
);
542 switch(event
->keyval
) {
547 callback_process_button(widget
, user_data
);
556 * @fn void callback_expression_field(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_expression_field(GtkWidget
*widget
, gpointer data
) {
565 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
567 if(strlen(gtk_entry_get_text(GTK_ENTRY(fvd
->f_expression_field
))) !=0) {
568 gtk_widget_show(fvd
->f_logical_op_junction_box
);
570 gtk_widget_hide(fvd
->f_logical_op_junction_box
);
576 * @fn void callback_add_button(GtkWidget*,gpointer)
578 * The Add Button callback function
579 * @param widget The Button widget passed to the callback function
580 * @param data Data sent along with the callback function
583 callback_add_button(GtkWidget
*widget
, gpointer data
) {
585 g_debug("callback_add_button(): processing simple expressions");
589 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
590 FilterViewerDataLine
*fvdl
= NULL
;
591 GString
* a_filter_string
= g_string_new("");
594 * adding linking operator to
598 s
= g_ptr_array_index(fvd
->f_logical_op_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvd
->f_logical_op_junction_box
)));
599 g_string_append(a_filter_string
,s
->str
);
600 gtk_combo_box_set_active(GTK_COMBO_BOX(fvd
->f_logical_op_junction_box
),0);
602 /* begin expression */
603 g_string_append_c(a_filter_string
,'(');
606 * For each simple expression, add the resulting string
607 * to the filter string
609 * Each simple expression takes the following schema
610 * [not operator '!',' '] [field type] [math operator '<','<=','>','>=','=','!='] [value]
612 for(i
=0;i
<fvd
->f_lines
->len
;i
++) {
613 fvdl
= (FilterViewerDataLine
*)g_ptr_array_index(fvd
->f_lines
,i
);
615 s
= g_ptr_array_index(fvd
->f_not_op_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_not_op_box
)));
616 g_string_append(a_filter_string
,s
->str
);
618 s
= g_ptr_array_index(fvd
->f_field_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_field_box
)));
619 g_string_append(a_filter_string
,s
->str
);
621 s
= g_ptr_array_index(fvd
->f_math_op_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_math_op_box
)));
622 g_string_append(a_filter_string
,s
->str
);
624 g_string_append(a_filter_string
,gtk_entry_get_text(GTK_ENTRY(fvdl
->f_value_field
)));
626 s
= g_ptr_array_index(fvd
->f_logical_op_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_logical_op_box
)));
627 g_string_append(a_filter_string
,s
->str
);
630 * resetting simple expression lines
632 gui_filter_line_reset(fvdl
);
633 if(i
) gui_filter_line_set_visible(fvdl
,FALSE
); // Only keep the first line
637 g_string_append_c(a_filter_string
,')');
639 g_string_prepend(a_filter_string
,gtk_entry_get_text(GTK_ENTRY(fvd
->f_expression_field
)));
640 gtk_entry_set_text(GTK_ENTRY(fvd
->f_expression_field
),a_filter_string
->str
);
645 * @fn void callback_logical_op_box(GtkWidget*,gpointer)
647 * The logical op box callback function
648 * @param widget The Button widget passed to the callback function
649 * @param data Data sent along with the callback function
652 callback_logical_op_box(GtkWidget
*widget
, gpointer data
) {
654 g_debug("callback_logical_op_box(): adding new simple expression");
656 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
657 FilterViewerDataLine
*fvdl
= NULL
;
660 for(i
=0;i
<fvd
->f_lines
->len
;i
++) {
661 fvdl
= (FilterViewerDataLine
*)g_ptr_array_index(fvd
->f_lines
,i
);
662 if(fvdl
->f_logical_op_box
== widget
) {
663 if(gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_logical_op_box
)) == 0) return;
664 if(i
==fvd
->f_lines
->len
-1) { /* create a new line */
666 FilterViewerDataLine
* fvdl2
= gui_filter_add_line(fvd
);
667 g_ptr_array_add(fvd
->f_lines
,(gpointer
) fvdl2
);
669 FilterViewerDataLine
*fvdl2
= (FilterViewerDataLine
*)g_ptr_array_index(fvd
->f_lines
,i
+1);
670 if(!fvdl2
->visible
) gui_filter_line_set_visible(fvdl2
,TRUE
);
677 LTTV_MODULE("guifilter", "Filter window", \
678 "Graphical module that let user specify their filtering options", \
679 init
, destroy
, "lttvwindow")