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) */
129 gchar
*name
; /**< Name of the window in the main window */
133 * @fn GtkWidget* guifilter_get_widget(FilterViewerData*)
135 * This function returns the current main widget
136 * used by this module
137 * @param fvd the module struct
138 * @return The main widget
141 guifilter_get_widget(FilterViewerData
*fvd
)
143 return fvd
->f_window
;
147 * @fn FilterViewerData* gui_filter(Tab*)
149 * Constructor is used to create FilterViewerData data structure.
150 * @param tab The tab structure used by the widget
151 * @return The Filter viewer data created.
156 g_debug("filter::gui_filter()");
159 GtkCellRenderer
*renderer
;
160 GtkTreeViewColumn
*column
;
162 FilterViewerData
* fvd
= g_new(FilterViewerData
,1);
166 // lttvwindow_register_traceset_notify(fvd->tab,
167 // filter_traceset_changed,
168 // filter_viewer_data);
169 // request_background_data(filter_viewer_data);
172 * Initiating items for
175 fvd
->f_not_op_options
= g_ptr_array_new();
176 g_ptr_array_add(fvd
->f_not_op_options
,(gpointer
) g_string_new(""));
177 g_ptr_array_add(fvd
->f_not_op_options
,(gpointer
) g_string_new("!"));
179 fvd
->f_logical_op_options
= g_ptr_array_new(); //g_array_new(FALSE,FALSE,sizeof(gchar));
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("!"));
184 g_ptr_array_add(fvd
->f_logical_op_options
,(gpointer
) g_string_new("^"));
186 fvd
->f_field_options
= g_ptr_array_new(); //g_array_new(FALSE,FALSE,16);
187 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new(""));
188 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("event.name"));
189 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("event.facility"));
190 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("event.category"));
191 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("event.time"));
192 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("event.tsc"));
194 * TODO: Add core.xml fields here !
196 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("tracefile.name"));
197 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("trace.name"));
198 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.process_name"));
199 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.pid"));
200 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.ppid"));
201 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.creation_time"));
202 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.insertion_time"));
203 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.execution_mode"));
204 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.execution_submode"));
205 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.process_status"));
206 g_ptr_array_add(fvd
->f_field_options
,(gpointer
) g_string_new("state.cpu"));
208 fvd
->f_math_op_options
= g_ptr_array_new(); //g_array_new(FALSE,FALSE,7);
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(">"));
215 g_ptr_array_add(fvd
->f_math_op_options
,(gpointer
) g_string_new(">="));
218 fvd
->f_window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
221 * Initiating GtkTable layout
222 * starts with 2 rows and 5 columns and
223 * expands when expressions added
225 fvd
->f_main_box
= gtk_table_new(3,7,FALSE
);
226 gtk_table_set_row_spacings(GTK_TABLE(fvd
->f_main_box
),5);
227 gtk_table_set_col_spacings(GTK_TABLE(fvd
->f_main_box
),5);
229 gtk_container_add(GTK_CONTAINER(fvd
->f_window
), GTK_WIDGET(fvd
->f_main_box
));
232 * First half of the filter window
233 * - textual entry of filter expression
234 * - processing button
236 fvd
->f_expression_field
= gtk_entry_new(); //gtk_scrolled_window_new (NULL, NULL);
237 g_signal_connect (G_OBJECT(fvd
->f_expression_field
),
238 "key-press-event", G_CALLBACK (callback_enter_check
), (gpointer
)fvd
);
239 // gtk_entry_set_text(GTK_ENTRY(fvd->f_expression_field),"state.cpu>0");
240 gtk_widget_show (fvd
->f_expression_field
);
242 g_signal_connect (G_OBJECT (fvd
->f_expression_field
), "changed",
243 G_CALLBACK (callback_expression_field
), (gpointer
) fvd
);
245 fvd
->f_process_button
= gtk_button_new_with_label("Process");
246 gtk_widget_show (fvd
->f_process_button
);
248 g_signal_connect (G_OBJECT (fvd
->f_process_button
), "clicked",
249 G_CALLBACK (callback_process_button
), (gpointer
) fvd
);
251 gtk_table_attach( GTK_TABLE(fvd
->f_main_box
),fvd
->f_expression_field
,0,6,0,1,GTK_FILL
,GTK_FILL
,0,0);
252 gtk_table_attach( GTK_TABLE(fvd
->f_main_box
),fvd
->f_process_button
,6,7,0,1,GTK_FILL
,GTK_FILL
,0,0);
257 * Second half of the filter window
258 * - combo boxes featuring filtering options added to the expression
260 fvd
->f_add_button
= gtk_button_new_with_label("Add Expression");
261 gtk_widget_show (fvd
->f_add_button
);
263 g_signal_connect (G_OBJECT (fvd
->f_add_button
), "clicked",
264 G_CALLBACK (callback_add_button
), (gpointer
) fvd
);
266 gtk_table_attach( GTK_TABLE(fvd
->f_main_box
),fvd
->f_add_button
,6,7,1,2,GTK_FILL
,GTK_FILL
,0,0);
268 fvd
->f_logical_op_junction_box
= gtk_combo_box_new_text();
269 for(i
=0;i
<fvd
->f_logical_op_options
->len
;i
++) {
270 GString
* s
= g_ptr_array_index(fvd
->f_logical_op_options
,i
);
271 gtk_combo_box_append_text(GTK_COMBO_BOX(fvd
->f_logical_op_junction_box
), s
->str
);
273 gtk_combo_box_set_active(GTK_COMBO_BOX(fvd
->f_logical_op_junction_box
),0);
275 //gtk_widget_show(fvd->f_logical_op_box);
277 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);
279 gtk_container_set_border_width(GTK_CONTAINER(fvd
->f_main_box
), 1);
281 /* initialize a new line */
282 fvd
->f_lines
= g_ptr_array_new();
284 FilterViewerDataLine
* fvdl
= gui_filter_add_line(fvd
);
285 g_ptr_array_add(fvd
->f_lines
,(gpointer
) fvdl
);
288 * show main container
290 gtk_widget_show(fvd
->f_main_box
);
291 gtk_widget_show(fvd
->f_window
);
294 g_object_set_data_full(
295 G_OBJECT(guifilter_get_widget(fvd
)),
296 "filter_viewer_data",
298 (GDestroyNotify
)gui_filter_destructor
);
300 g_filter_list
= g_slist_append(
308 * @fn FilterViewerDataLine* gui_filter_add_line(FilterViewerData*)
310 * Adds a filter option line on the module tab
311 * @param fvd The filter module structure
312 * @return The line structure
314 FilterViewerDataLine
*
315 gui_filter_add_line(FilterViewerData
* fvd
) {
317 FilterViewerDataLine
* fvdl
= g_new(FilterViewerDataLine
,1);
320 fvdl
->row
= fvd
->rows
;
321 fvdl
->visible
= TRUE
;
323 fvdl
->f_not_op_box
= gtk_combo_box_new_text();
324 for(i
=0;i
<fvd
->f_not_op_options
->len
;i
++) {
325 GString
* s
= g_ptr_array_index(fvd
->f_not_op_options
,i
);
326 gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl
->f_not_op_box
), s
->str
);
329 fvdl
->f_field_box
= gtk_combo_box_new_text();
330 for(i
=0;i
<fvd
->f_field_options
->len
;i
++) {
331 GString
* s
= g_ptr_array_index(fvd
->f_field_options
,i
);
332 // g_print("String field: %s\n",s->str);
333 gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl
->f_field_box
), s
->str
);
336 fvdl
->f_math_op_box
= gtk_combo_box_new_text();
337 for(i
=0;i
<fvd
->f_math_op_options
->len
;i
++) {
338 GString
* s
= g_ptr_array_index(fvd
->f_math_op_options
,i
);
339 gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl
->f_math_op_box
), s
->str
);
342 fvdl
->f_value_field
= gtk_entry_new();
344 fvdl
->f_logical_op_box
= gtk_combo_box_new_text();
345 for(i
=0;i
<fvd
->f_logical_op_options
->len
;i
++) {
346 GString
* s
= g_ptr_array_index(fvd
->f_logical_op_options
,i
);
347 gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl
->f_logical_op_box
), s
->str
);
349 gtk_widget_set_events(fvdl
->f_logical_op_box
,
350 GDK_ENTER_NOTIFY_MASK
|
351 GDK_LEAVE_NOTIFY_MASK
|
352 GDK_FOCUS_CHANGE_MASK
);
354 g_signal_connect (G_OBJECT (fvdl
->f_logical_op_box
), "changed",
355 G_CALLBACK (callback_logical_op_box
), (gpointer
) fvd
);
357 gui_filter_line_reset(fvdl
);
358 gui_filter_line_set_visible(fvdl
,TRUE
);
360 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);
361 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);
362 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);
363 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);
364 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);
370 * @fn void gui_filter_line_set_visible(FilterViewerDataLine*,gboolean)
372 * Change visible state of current FilterViewerDataLine
373 * @param fvdl pointer to the current FilterViewerDataLine
374 * @param v TRUE: sets visible, FALSE: sets invisible
377 gui_filter_line_set_visible(FilterViewerDataLine
*fvdl
, gboolean v
) {
381 gtk_widget_show(fvdl
->f_not_op_box
);
382 gtk_widget_show(fvdl
->f_field_box
);
383 gtk_widget_show(fvdl
->f_math_op_box
);
384 gtk_widget_show(fvdl
->f_value_field
);
385 gtk_widget_show(fvdl
->f_logical_op_box
);
387 gtk_widget_hide(fvdl
->f_not_op_box
);
388 gtk_widget_hide(fvdl
->f_field_box
);
389 gtk_widget_hide(fvdl
->f_math_op_box
);
390 gtk_widget_hide(fvdl
->f_value_field
);
391 gtk_widget_hide(fvdl
->f_logical_op_box
);
397 * @fn void gui_filter_line_reset(FilterViewerDataLine*)
399 * Sets selections of all boxes in current FilterViewerDataLine
400 * to default value (0)
401 * @param fvdl pointer to current FilterViewerDataLine
404 gui_filter_line_reset(FilterViewerDataLine
*fvdl
) {
406 gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl
->f_not_op_box
),0);
407 gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl
->f_field_box
),0);
408 gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl
->f_math_op_box
),0);
409 gtk_entry_set_text(GTK_ENTRY(fvdl
->f_value_field
),"");
410 gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl
->f_logical_op_box
),0);
414 * @fn void gui_filter_destructor(FilterViewerData*)
416 * Destructor for the filter gui module
417 * @param fvd The module structure
420 gui_filter_destructor(FilterViewerData
*fvd
)
424 /* May already been done by GTK window closing */
425 if(GTK_IS_WIDGET(guifilter_get_widget(fvd
))){
426 g_info("widget still exists");
429 // lttvwindow_unregister_traceset_notify(fvd->tab,
430 // filter_traceset_changed,
431 // filter_viewer_data);
433 lttvwindowtraces_background_notify_remove(fvd
);
435 g_filter_list
= g_slist_remove(g_filter_list
, fvd
);
437 main_window_remove_child_window(tab
, fvd
->name
);
446 * @fn GtkWidget* h_guifilter(Tab*)
448 * Filter Module's constructor hook
450 * This constructor is given as a parameter to the menuitem and toolbar button
451 * registration. It creates the list.
452 * @param tab A pointer to the parent window.
453 * @return The widget created.
456 h_guifilter(Tab
*tab
)
458 FilterViewerData
* f
= gui_filter(tab
) ;
459 f
->name
= g_new(gchar
, 256);
461 snprintf(f
->name
, 256, "guifilter %p", f
);
464 main_window_add_child_window(tab
, f
,
465 f
->name
, (GDestroyNotify
)gui_filter_destructor
);
471 * @fn static void init()
473 * This function initializes the Filter Viewer functionnality through the
478 lttvwindow_register_constructor("guifilter",
480 "Insert Filter Module",
481 hGuiFilterInsert_xpm
,
482 "Insert Filter Module",
487 * @fn void filter_destroy_walk(gpointer,gpointer)
489 * Initiate the destruction of the current gui module
490 * on the GTK Interface
493 filter_destroy_walk(gpointer data
, gpointer user_data
)
495 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
497 g_debug("CFV.c : filter_destroy_walk, %p", fvd
);
499 /* May already have been done by GTK window closing */
500 if(GTK_IS_WIDGET(guifilter_get_widget(fvd
)))
501 gtk_widget_destroy(guifilter_get_widget(fvd
));
505 * @fn static void destroy()
506 * @brief plugin's destroy function
508 * This function releases the memory reserved by the module and unregisters
509 * everything that has been registered in the gtkTraceSet API.
511 static void destroy() {
513 g_slist_foreach(g_filter_list
, filter_destroy_walk
, NULL
);
515 lttvwindow_unregister_constructor(h_guifilter
);
520 * @fn void callback_process_button(GtkWidget*,gpointer)
522 * The Process Button callback function
523 * @param widget The Button widget passed to the callback function
524 * @param data Data sent along with the callback function
527 callback_process_button(GtkWidget
*widget
, gpointer data
) {
529 g_debug("callback_process_button(): Processing expression");
531 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
534 if(strlen(gtk_entry_get_text(GTK_ENTRY(fvd
->f_expression_field
))) !=0) {
535 filter
= lttv_filter_new();
536 GString
* s
= g_string_new(gtk_entry_get_text(GTK_ENTRY(fvd
->f_expression_field
)));
537 lttv_filter_append_expression(filter
,s
->str
);
538 g_string_free(s
,TRUE
);
539 //SetFilter(fvd->tab,filter);
543 lttvwindow_report_filter(fvd
->tab
, filter
);
546 gboolean
callback_enter_check(GtkWidget
*widget
,
550 g_debug("typed : %x", event
->keyval
);
551 switch(event
->keyval
) {
556 callback_expression_field(widget
, user_data
);
565 * @fn void callback_expression_field(GtkWidget*,gpointer)
567 * The Add Button callback function
568 * @param widget The Button widget passed to the callback function
569 * @param data Data sent along with the callback function
572 callback_expression_field(GtkWidget
*widget
, gpointer data
) {
574 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
576 if(strlen(gtk_entry_get_text(GTK_ENTRY(fvd
->f_expression_field
))) !=0) {
577 gtk_widget_show(fvd
->f_logical_op_junction_box
);
579 gtk_widget_hide(fvd
->f_logical_op_junction_box
);
585 * @fn void callback_add_button(GtkWidget*,gpointer)
587 * The Add Button callback function
588 * @param widget The Button widget passed to the callback function
589 * @param data Data sent along with the callback function
592 callback_add_button(GtkWidget
*widget
, gpointer data
) {
594 g_debug("callback_add_button(): processing simple expressions");
598 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
599 FilterViewerDataLine
*fvdl
= NULL
;
600 GString
* a_filter_string
= g_string_new("");
603 * adding linking operator to
607 s
= g_ptr_array_index(fvd
->f_logical_op_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvd
->f_logical_op_junction_box
)));
608 g_string_append(a_filter_string
,s
->str
);
609 gtk_combo_box_set_active(GTK_COMBO_BOX(fvd
->f_logical_op_junction_box
),0);
611 /* begin expression */
612 g_string_append_c(a_filter_string
,'(');
615 * For each simple expression, add the resulting string
616 * to the filter string
618 * Each simple expression takes the following schema
619 * [not operator '!',' '] [field type] [math operator '<','<=','>','>=','=','!='] [value]
621 for(i
=0;i
<fvd
->f_lines
->len
;i
++) {
622 fvdl
= (FilterViewerDataLine
*)g_ptr_array_index(fvd
->f_lines
,i
);
624 s
= g_ptr_array_index(fvd
->f_not_op_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_not_op_box
)));
625 g_string_append(a_filter_string
,s
->str
);
627 s
= g_ptr_array_index(fvd
->f_field_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_field_box
)));
628 g_string_append(a_filter_string
,s
->str
);
630 s
= g_ptr_array_index(fvd
->f_math_op_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_math_op_box
)));
631 g_string_append(a_filter_string
,s
->str
);
633 g_string_append(a_filter_string
,gtk_entry_get_text(GTK_ENTRY(fvdl
->f_value_field
)));
635 s
= g_ptr_array_index(fvd
->f_logical_op_options
,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_logical_op_box
)));
636 g_string_append(a_filter_string
,s
->str
);
639 * resetting simple expression lines
641 gui_filter_line_reset(fvdl
);
642 if(i
) gui_filter_line_set_visible(fvdl
,FALSE
); // Only keep the first line
646 g_string_append_c(a_filter_string
,')');
648 g_string_prepend(a_filter_string
,gtk_entry_get_text(GTK_ENTRY(fvd
->f_expression_field
)));
649 gtk_entry_set_text(GTK_ENTRY(fvd
->f_expression_field
),a_filter_string
->str
);
654 * @fn void callback_logical_op_box(GtkWidget*,gpointer)
656 * The logical op box callback function
657 * @param widget The Button widget passed to the callback function
658 * @param data Data sent along with the callback function
661 callback_logical_op_box(GtkWidget
*widget
, gpointer data
) {
663 g_debug("callback_logical_op_box(): adding new simple expression");
665 FilterViewerData
*fvd
= (FilterViewerData
*)data
;
666 FilterViewerDataLine
*fvdl
= NULL
;
669 for(i
=0;i
<fvd
->f_lines
->len
;i
++) {
670 fvdl
= (FilterViewerDataLine
*)g_ptr_array_index(fvd
->f_lines
,i
);
671 if(fvdl
->f_logical_op_box
== widget
) {
672 if(gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl
->f_logical_op_box
)) == 0) return;
673 if(i
==fvd
->f_lines
->len
-1) { /* create a new line */
675 FilterViewerDataLine
* fvdl2
= gui_filter_add_line(fvd
);
676 g_ptr_array_add(fvd
->f_lines
,(gpointer
) fvdl2
);
678 FilterViewerDataLine
*fvdl2
= (FilterViewerDataLine
*)g_ptr_array_index(fvd
->f_lines
,i
+1);
679 if(!fvdl2
->visible
) gui_filter_line_set_visible(fvdl2
,TRUE
);
686 LTTV_MODULE("guifilter", "Filter window", \
687 "Graphical module that let user specify their filtering options", \
688 init
, destroy
, "lttvwindow")