X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Flttv%2Fmodules%2Fgui%2Ffilter%2Ffilter.c;h=66108652e08061c69766f72a62cbf8c8e8afcd90;hb=201fcc156aeee6cf7c1283c0163e47cb209cb78e;hp=04b9e774435e00b6d6014f0baa8aa85dda90e759;hpb=91ad3f0addfff8e1c0267c743113588aa299544f;p=lttv.git diff --git a/ltt/branches/poly/lttv/modules/gui/filter/filter.c b/ltt/branches/poly/lttv/modules/gui/filter/filter.c index 04b9e774..66108652 100644 --- a/ltt/branches/poly/lttv/modules/gui/filter/filter.c +++ b/ltt/branches/poly/lttv/modules/gui/filter/filter.c @@ -1,5 +1,5 @@ /* This file is part of the Linux Trace Toolkit viewer - * Copyright (C) 2003-2004 Simon Bouvier-Zappa + * Copyright (C) 2005 Simon Bouvier-Zappa * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License Version 2 as @@ -16,10 +16,15 @@ * MA 02111-1307, USA. */ +#ifdef HAVE_CONFIG_H +#include +#endif + #include #include #include #include +#include #include #include @@ -31,64 +36,275 @@ #include "hGuiFilterInsert.xpm" + +GSList *g_filter_list = NULL ; + +/*! \file lttv/modules/gui/filter/filter.c + * \brief Graphic filter interface. + * + * The gui filter facility gives the user an easy to use + * basic interface to construct and modify at will a filter + * expression. User may either decide to write it himself in + * expression text entry or add simple expressions using the + * many choices boxes. + * + * \note The version of gtk-2.0 currently installed on + * my desktop misses some function of the newer + * gtk+ api. For the time being, I'll use the older api + * to keep compatibility with most systems. + */ + typedef struct _FilterViewerData FilterViewerData; +typedef struct _FilterViewerDataLine FilterViewerDataLine; +/* + * Prototypes + */ GtkWidget *guifilter_get_widget(FilterViewerData *fvd); -FilterViewerData *gui_filter(Tab *tab); +FilterViewerData *gui_filter(LttvPlugin *plugin); void gui_filter_destructor(FilterViewerData *fvd); -gboolean filter_traceset_changed(void * hook_data, void * call_data); -gboolean filter_viewer_data(void * hook_data, void * call_data); -GtkWidget* h_gui_filter(Tab *tab); -void statistic_destroy_walk(gpointer data, gpointer user_data); +FilterViewerDataLine* gui_filter_add_line(FilterViewerData *fvd); +void gui_filter_line_set_visible(FilterViewerDataLine *fvdl, gboolean v); +void gui_filter_line_reset(FilterViewerDataLine *fvdl); +GtkWidget* h_guifilter(LttvPlugin *plugin); +void filter_destroy_walk(gpointer data, gpointer user_data); +/* + * Callback functions + */ +void callback_process_button(GtkWidget *widget, gpointer data); +gboolean callback_enter_check(GtkWidget *widget, + GdkEventKey *event, + gpointer user_data); +void callback_add_button(GtkWidget *widget, gpointer data); +void callback_logical_op_box(GtkWidget *widget, gpointer data); +void callback_expression_field(GtkWidget *widget, gpointer data); +void callback_cancel_button(GtkWidget *widget, gpointer data); + +/** + * @struct _FilterViewerDataLine + * + * @brief Defines a simple expression + * This structures defines a simple + * expression whithin the main filter + * viewer data + */ +struct _FilterViewerDataLine { + int row; /**< row number */ + gboolean visible; /**< visible state */ + GtkWidget *f_not_op_box; /**< '!' operator (GtkComboBox) */ + GtkWidget *f_logical_op_box; /**< '&,|,^' operators (GtkComboBox) */ + GtkWidget *f_field_box; /**< field types (GtkComboBox) */ + GtkWidget *f_math_op_box; /**< '>,>=,<,<=,=,!=' operators (GtkComboBox) */ + GtkWidget *f_value_field; /**< expression's value (GtkComboBox) */ +}; + +/** + * @struct _FilterViewerData + * + * @brief Main structure of gui filter + * Main struct for the filter gui module + */ struct _FilterViewerData { - Tab *tab; + LttvPlugin *plugin; /**< Plugin on which we interact. */ + + GtkWidget *f_window; /**< filter window */ + + GtkWidget *f_main_box; /**< main container */ + + GtkWidget *f_expression_field; /**< entire expression (GtkEntry) */ + GtkWidget *f_process_button; /**< process expression button (GtkButton) */ + + GtkWidget *f_logical_op_junction_box; /**< linking operator box (GtkComboBox) */ - // temp widget -- still thinking about a formal structure - GtkWidget *vcontainer; - GtkWidget *window; + int rows; /**< number of rows */ + GPtrArray *f_lines; /**< array of FilterViewerDataLine */ + + GPtrArray *f_not_op_options; /**< array of operators types for not_op box */ + GPtrArray *f_logical_op_options; /**< array of operators types for logical_op box */ + GPtrArray *f_field_options; /**< array of field types for field box */ + GPtrArray *f_math_op_options; /**< array of operators types for math_op box */ + + GtkWidget *f_add_button; /**< add expression to current expression (GtkButton) */ + GtkWidget *f_cancel_button; /**< cancel and close dialog (GtkButton) */ + }; -GtkWidget -*guifilter_get_widget(FilterViewerData *fvd) +/** + * @fn GtkWidget* guifilter_get_widget(FilterViewerData*) + * + * This function returns the current main widget + * used by this module + * @param fvd the module struct + * @return The main widget + */ +GtkWidget* +guifilter_get_widget(FilterViewerData *fvd) { - return fvd->window; + return fvd->f_window; } /** - * Statistic Viewer's constructor - * - * This constructor is used to create StatisticViewerData data structure. - * @return The Statistic viewer data created. + * @fn FilterViewerData* gui_filter(Tab*) + * + * Constructor is used to create FilterViewerData data structure. + * @param tab The tab structure used by the widget + * @return The Filter viewer data created. */ FilterViewerData* -gui_filter(Tab *tab) +gui_filter(LttvPlugin *plugin) { + g_debug("filter::gui_filter()"); + + unsigned i; GtkCellRenderer *renderer; GtkTreeViewColumn *column; FilterViewerData* fvd = g_new(FilterViewerData,1); - fvd->tab = tab; + fvd->plugin = plugin; - lttvwindow_register_traceset_notify(fvd->tab, - filter_traceset_changed, - filter_viewer_data); +// lttvwindow_register_traceset_notify(fvd->tab, +// filter_traceset_changed, +// filter_viewer_data); // request_background_data(filter_viewer_data); + + /* + * Initiating items for + * combo boxes + */ + fvd->f_not_op_options = g_ptr_array_new(); + g_ptr_array_add(fvd->f_not_op_options,(gpointer) g_string_new("")); + g_ptr_array_add(fvd->f_not_op_options,(gpointer) g_string_new("!")); + + fvd->f_logical_op_options = g_ptr_array_new(); //g_array_new(FALSE,FALSE,sizeof(gchar)); + g_ptr_array_add(fvd->f_logical_op_options,(gpointer) g_string_new("")); + g_ptr_array_add(fvd->f_logical_op_options,(gpointer) g_string_new("&")); + g_ptr_array_add(fvd->f_logical_op_options,(gpointer) g_string_new("|")); + g_ptr_array_add(fvd->f_logical_op_options,(gpointer) g_string_new("!")); + g_ptr_array_add(fvd->f_logical_op_options,(gpointer) g_string_new("^")); + + fvd->f_field_options = g_ptr_array_new(); //g_array_new(FALSE,FALSE,16); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("")); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("event.name")); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("event.facility")); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("event.category")); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("event.time")); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("event.tsc")); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("event.target_pid")); + /* + * TODO: Add core.xml fields here ! + */ + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("tracefile.name")); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("trace.name")); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.process_name")); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.thread_brand")); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.pid")); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.ppid")); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.creation_time")); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.insertion_time")); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.execution_mode")); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.execution_submode")); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.process_status")); + g_ptr_array_add(fvd->f_field_options,(gpointer) g_string_new("state.cpu")); + + fvd->f_math_op_options = g_ptr_array_new(); //g_array_new(FALSE,FALSE,7); + g_ptr_array_add(fvd->f_math_op_options,(gpointer) g_string_new("")); + g_ptr_array_add(fvd->f_math_op_options,(gpointer) g_string_new("=")); + g_ptr_array_add(fvd->f_math_op_options,(gpointer) g_string_new("!=")); + g_ptr_array_add(fvd->f_math_op_options,(gpointer) g_string_new("<")); + g_ptr_array_add(fvd->f_math_op_options,(gpointer) g_string_new("<=")); + g_ptr_array_add(fvd->f_math_op_options,(gpointer) g_string_new(">")); + g_ptr_array_add(fvd->f_math_op_options,(gpointer) g_string_new(">=")); + + + fvd->f_window = gtk_window_new(GTK_WINDOW_TOPLEVEL); + gtk_window_set_title(GTK_WINDOW(fvd->f_window), "LTTV Filter"); + gtk_window_set_transient_for(GTK_WINDOW(fvd->f_window), + GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(fvd->plugin->top_widget)))); + gtk_window_set_destroy_with_parent(GTK_WINDOW(fvd->f_window), TRUE); + gtk_window_set_resizable(GTK_WINDOW(fvd->f_window), FALSE); + + /* + * Initiating GtkTable layout + * starts with 2 rows and 5 columns and + * expands when expressions added + */ + fvd->f_main_box = gtk_table_new(3,7,FALSE); + gtk_table_set_row_spacings(GTK_TABLE(fvd->f_main_box),5); + gtk_table_set_col_spacings(GTK_TABLE(fvd->f_main_box),5); + + gtk_container_add(GTK_CONTAINER(fvd->f_window), GTK_WIDGET(fvd->f_main_box)); + + /* + * First half of the filter window + * - textual entry of filter expression + * - processing button + */ + fvd->f_expression_field = gtk_entry_new(); //gtk_scrolled_window_new (NULL, NULL); + g_signal_connect (G_OBJECT(fvd->f_expression_field), + "key-press-event", G_CALLBACK (callback_enter_check), (gpointer)fvd); +// gtk_entry_set_text(GTK_ENTRY(fvd->f_expression_field),"state.cpu>0"); + gtk_widget_show (fvd->f_expression_field); + + g_signal_connect (G_OBJECT (fvd->f_expression_field), "changed", + G_CALLBACK (callback_expression_field), (gpointer) fvd); + + fvd->f_process_button = gtk_button_new_with_label("Process"); + gtk_widget_show (fvd->f_process_button); + + g_signal_connect (G_OBJECT (fvd->f_process_button), "clicked", + G_CALLBACK (callback_process_button), (gpointer) fvd); + + gtk_table_attach( GTK_TABLE(fvd->f_main_box),fvd->f_expression_field,0,6,0,1,GTK_FILL,GTK_FILL,0,0); + gtk_table_attach( GTK_TABLE(fvd->f_main_box),fvd->f_process_button,6,7,0,1,GTK_FILL,GTK_FILL,0,0); - /* Initialize the vertical container */ + + + /* + * Second half of the filter window + * - combo boxes featuring filtering options added to the expression + */ + fvd->f_add_button = gtk_button_new_with_label("Add Expression"); + gtk_widget_show (fvd->f_add_button); + + g_signal_connect (G_OBJECT (fvd->f_add_button), "clicked", + G_CALLBACK (callback_add_button), (gpointer) fvd); - fvd->window = gtk_drawing_area_new(); + gtk_table_attach( GTK_TABLE(fvd->f_main_box),fvd->f_add_button,6,7,2,3,GTK_FILL,GTK_FILL,0,0); - gtk_widget_set_size_request(fvd->window,200,200); - - fvd->vcontainer = gtk_vbox_new (FALSE, 1); - gtk_container_set_border_width (GTK_CONTAINER (fvd->vcontainer), 1); - gtk_container_add (GTK_CONTAINER (fvd->window), fvd->vcontainer); + fvd->f_cancel_button = gtk_button_new_with_label("Cancel"); + gtk_widget_show (fvd->f_cancel_button); + g_signal_connect (G_OBJECT (fvd->f_cancel_button), "clicked", + G_CALLBACK (callback_cancel_button), (gpointer) fvd); - gtk_box_pack_start (GTK_BOX (fvd->vcontainer), fvd->window, TRUE, TRUE, 0); + gtk_table_attach( GTK_TABLE(fvd->f_main_box),fvd->f_cancel_button,6,7,1,2,GTK_FILL,GTK_FILL,0,0); + + fvd->f_logical_op_junction_box = gtk_combo_box_new_text(); + for(i=0;if_logical_op_options->len;i++) { + GString* s = g_ptr_array_index(fvd->f_logical_op_options,i); + gtk_combo_box_append_text(GTK_COMBO_BOX(fvd->f_logical_op_junction_box), s->str); + } + gtk_combo_box_set_active(GTK_COMBO_BOX(fvd->f_logical_op_junction_box),0); + + //gtk_widget_show(fvd->f_logical_op_box); + + 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); + + gtk_container_set_border_width(GTK_CONTAINER(fvd->f_main_box), 1); + + /* initialize a new line */ + fvd->f_lines = g_ptr_array_new(); + fvd->rows = 1; + FilterViewerDataLine* fvdl = gui_filter_add_line(fvd); + g_ptr_array_add(fvd->f_lines,(gpointer) fvdl); + + /* + * show main container + */ + gtk_widget_show(fvd->f_main_box); + gtk_widget_show(fvd->f_window); -// gtk_widget_show(fvd->window); g_object_set_data_full( G_OBJECT(guifilter_get_widget(fvd)), @@ -96,66 +312,168 @@ gui_filter(Tab *tab) fvd, (GDestroyNotify)gui_filter_destructor); + g_filter_list = g_slist_append( + g_filter_list, + fvd); + return fvd; } +/** + * @fn FilterViewerDataLine* gui_filter_add_line(FilterViewerData*) + * + * Adds a filter option line on the module tab + * @param fvd The filter module structure + * @return The line structure + */ +FilterViewerDataLine* +gui_filter_add_line(FilterViewerData* fvd) { + + FilterViewerDataLine* fvdl = g_new(FilterViewerDataLine,1); + + unsigned i; + fvdl->row = fvd->rows; + fvdl->visible = TRUE; + + fvdl->f_not_op_box = gtk_combo_box_new_text(); + for(i=0;if_not_op_options->len;i++) { + GString* s = g_ptr_array_index(fvd->f_not_op_options,i); + gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl->f_not_op_box), s->str); + } + + fvdl->f_field_box = gtk_combo_box_new_text(); + for(i=0;if_field_options->len;i++) { + GString* s = g_ptr_array_index(fvd->f_field_options,i); +// g_print("String field: %s\n",s->str); + gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl->f_field_box), s->str); + } + + fvdl->f_math_op_box = gtk_combo_box_new_text(); + for(i=0;if_math_op_options->len;i++) { + GString* s = g_ptr_array_index(fvd->f_math_op_options,i); + gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl->f_math_op_box), s->str); + } + + fvdl->f_value_field = gtk_entry_new(); + + fvdl->f_logical_op_box = gtk_combo_box_new_text(); + for(i=0;if_logical_op_options->len;i++) { + GString* s = g_ptr_array_index(fvd->f_logical_op_options,i); + gtk_combo_box_append_text(GTK_COMBO_BOX(fvdl->f_logical_op_box), s->str); + } + gtk_widget_set_events(fvdl->f_logical_op_box, + GDK_ENTER_NOTIFY_MASK | + GDK_LEAVE_NOTIFY_MASK | + GDK_FOCUS_CHANGE_MASK); + + g_signal_connect (G_OBJECT (fvdl->f_logical_op_box), "changed", + G_CALLBACK (callback_logical_op_box), (gpointer) fvd); + + gui_filter_line_reset(fvdl); + gui_filter_line_set_visible(fvdl,TRUE); + + 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); + 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); + 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); + 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); + 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); + + return fvdl; +} + +/** + * @fn void gui_filter_line_set_visible(FilterViewerDataLine*,gboolean) + * + * Change visible state of current FilterViewerDataLine + * @param fvdl pointer to the current FilterViewerDataLine + * @param v TRUE: sets visible, FALSE: sets invisible + */ +void +gui_filter_line_set_visible(FilterViewerDataLine *fvdl, gboolean v) { + + fvdl->visible = v; + if(v) { + gtk_widget_show(fvdl->f_not_op_box); + gtk_widget_show(fvdl->f_field_box); + gtk_widget_show(fvdl->f_math_op_box); + gtk_widget_show(fvdl->f_value_field); + gtk_widget_show(fvdl->f_logical_op_box); + } else { + gtk_widget_hide(fvdl->f_not_op_box); + gtk_widget_hide(fvdl->f_field_box); + gtk_widget_hide(fvdl->f_math_op_box); + gtk_widget_hide(fvdl->f_value_field); + gtk_widget_hide(fvdl->f_logical_op_box); + } + +} + +/** + * @fn void gui_filter_line_reset(FilterViewerDataLine*) + * + * Sets selections of all boxes in current FilterViewerDataLine + * to default value (0) + * @param fvdl pointer to current FilterViewerDataLine + */ +void +gui_filter_line_reset(FilterViewerDataLine *fvdl) { + + gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl->f_not_op_box),0); + gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl->f_field_box),0); + gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl->f_math_op_box),0); + gtk_entry_set_text(GTK_ENTRY(fvdl->f_value_field),""); + gtk_combo_box_set_active(GTK_COMBO_BOX(fvdl->f_logical_op_box),0); +} + +/** + * @fn void gui_filter_destructor(FilterViewerData*) + * + * Destructor for the filter gui module + * @param fvd The module structure + */ void gui_filter_destructor(FilterViewerData *fvd) { - Tab *tab = fvd->tab; - /* May already been done by GTK window closing */ if(GTK_IS_WIDGET(guifilter_get_widget(fvd))){ g_info("widget still exists"); } - if(tab != NULL) { - lttvwindow_unregister_traceset_notify(fvd->tab, - filter_traceset_changed, - filter_viewer_data); - } +// if(tab != NULL) { +// lttvwindow_unregister_traceset_notify(fvd->tab, +// filter_traceset_changed, +// filter_viewer_data); +// } lttvwindowtraces_background_notify_remove(fvd); - + + g_filter_list = g_slist_remove(g_filter_list, fvd); + g_free(fvd); } -gboolean -filter_traceset_changed(void * hook_data, void * call_data) { - - return FALSE; -} - -gboolean -filter_viewer_data(void * hook_data, void * call_data) { - - return FALSE; -} /** - * Filter Module's constructor hook + * @fn GtkWidget* h_guifilter(Tab*) + * + * Filter Module's constructor hook * - * This constructor is given as a parameter to the menuitem and toolbar button - * registration. It creates the list. - * @param parent_window A pointer to the parent window. - * @return The widget created. + * This constructor is given as a parameter to the menuitem and toolbar button + * registration. It creates the list. + * @param obj Object to interact with. + * @return The widget created. */ GtkWidget * -h_gui_filter(Tab *tab) +h_guifilter(LttvPlugin *plugin) { - FilterViewerData* f = gui_filter(tab) ; + FilterViewerData* f = gui_filter(plugin) ; - if(f) - return guifilter_get_widget(f); - else return NULL; - + return NULL; } - - /** - * plugin's init function - * - * This function initializes the Statistic Viewer functionnality through the - * gtkTraceSet API. + * @fn static void init() + * + * This function initializes the Filter Viewer functionnality through the + * gtkTraceSet API. */ static void init() { @@ -164,31 +482,225 @@ static void init() { "Insert Filter Module", hGuiFilterInsert_xpm, "Insert Filter Module", - h_gui_filter); + h_guifilter); } -void filter_destroy_walk(gpointer data, gpointer user_data) +/** + * @fn void filter_destroy_walk(gpointer,gpointer) + * + * Initiate the destruction of the current gui module + * on the GTK Interface + */ +void +filter_destroy_walk(gpointer data, gpointer user_data) { FilterViewerData *fvd = (FilterViewerData*)data; - g_debug("CFV.c : statistic_destroy_walk, %p", fvd); + g_debug("CFV.c : filter_destroy_walk, %p", fvd); + /* May already have been done by GTK window closing */ if(GTK_IS_WIDGET(guifilter_get_widget(fvd))) gtk_widget_destroy(guifilter_get_widget(fvd)); } /** - * plugin's destroy function + * @fn static void destroy() + * @brief plugin's destroy function * - * This function releases the memory reserved by the module and unregisters - * everything that has been registered in the gtkTraceSet API. + * This function releases the memory reserved by the module and unregisters + * everything that has been registered in the gtkTraceSet API. */ static void destroy() { + + g_slist_foreach(g_filter_list, filter_destroy_walk, NULL ); - lttvwindow_unregister_constructor(h_gui_filter); + lttvwindow_unregister_constructor(h_guifilter); } +/** + * @fn void callback_process_button(GtkWidget*,gpointer) + * + * The Process Button callback function + * @param widget The Button widget passed to the callback function + * @param data Data sent along with the callback function + */ +void +callback_process_button(GtkWidget *widget, gpointer data) { + + g_debug("callback_process_button(): Processing expression"); + + FilterViewerData *fvd = (FilterViewerData*)data; + LttvFilter* filter; + + if(strlen(gtk_entry_get_text(GTK_ENTRY(fvd->f_expression_field))) !=0) { + filter = lttv_filter_new(); + GString* s = g_string_new(gtk_entry_get_text(GTK_ENTRY(fvd->f_expression_field))); + lttv_filter_append_expression(filter,s->str); + g_string_free(s,TRUE); + } else { + filter = NULL; + } + /* Remove the old filter if present */ + //g_object_set_data_full(fvd->obj, "filter", filter, + // (GDestroyNotify)lttv_filter_destroy); + //g_object_notify(fvd->obj, "filter"); + lttv_plugin_update_filter(fvd->plugin, filter); +} + +/** + * @fn void callback_cancel_button(GtkWidget*,gpointer) + * + * The Cancel Button callback function + * @param widget The Button widget passed to the callback function + * @param data Data sent along with the callback function + */ +void +callback_cancel_button(GtkWidget *widget, gpointer data) { + + FilterViewerData *fvd = (FilterViewerData*)data; + gtk_widget_destroy(fvd->f_window); +} + +gboolean callback_enter_check(GtkWidget *widget, + GdkEventKey *event, + gpointer user_data) +{ + g_debug("typed : %x", event->keyval); + switch(event->keyval) { + case GDK_Return: + case GDK_KP_Enter: + case GDK_ISO_Enter: + case GDK_3270_Enter: + callback_process_button(widget, user_data); + break; + default: + break; + } + return FALSE; +} + +/** + * @fn void callback_expression_field(GtkWidget*,gpointer) + * + * The Add Button callback function + * @param widget The Button widget passed to the callback function + * @param data Data sent along with the callback function + */ +void +callback_expression_field(GtkWidget *widget, gpointer data) { + + FilterViewerData *fvd = (FilterViewerData*)data; + + if(strlen(gtk_entry_get_text(GTK_ENTRY(fvd->f_expression_field))) !=0) { + gtk_widget_show(fvd->f_logical_op_junction_box); + } else { + gtk_widget_hide(fvd->f_logical_op_junction_box); + } +} + + +/** + * @fn void callback_add_button(GtkWidget*,gpointer) + * + * The Add Button callback function + * @param widget The Button widget passed to the callback function + * @param data Data sent along with the callback function + */ +void +callback_add_button(GtkWidget *widget, gpointer data) { + + g_debug("callback_add_button(): processing simple expressions"); + + unsigned i; + + FilterViewerData *fvd = (FilterViewerData*)data; + FilterViewerDataLine *fvdl = NULL; + GString* a_filter_string = g_string_new(""); + + /* + * adding linking operator to + * string + */ + GString* s; + s = g_ptr_array_index(fvd->f_logical_op_options,gtk_combo_box_get_active(GTK_COMBO_BOX(fvd->f_logical_op_junction_box))); + a_filter_string = g_string_append(a_filter_string,s->str); + gtk_combo_box_set_active(GTK_COMBO_BOX(fvd->f_logical_op_junction_box),0); + + /* begin expression */ + a_filter_string = g_string_append_c(a_filter_string,'('); + + /* + * For each simple expression, add the resulting string + * to the filter string + * + * Each simple expression takes the following schema + * [not operator '!',' '] [field type] [math operator '<','<=','>','>=','=','!='] [value] + */ + for(i=0;if_lines->len;i++) { + fvdl = (FilterViewerDataLine*)g_ptr_array_index(fvd->f_lines,i); + + s = g_ptr_array_index(fvd->f_not_op_options,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl->f_not_op_box))); + a_filter_string = g_string_append(a_filter_string,s->str); + + s = g_ptr_array_index(fvd->f_field_options,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl->f_field_box))); + a_filter_string = g_string_append(a_filter_string,s->str); + + s = g_ptr_array_index(fvd->f_math_op_options,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl->f_math_op_box))); + a_filter_string = g_string_append(a_filter_string,s->str); + + a_filter_string = g_string_append(a_filter_string,gtk_entry_get_text(GTK_ENTRY(fvdl->f_value_field))); + + s = g_ptr_array_index(fvd->f_logical_op_options,gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl->f_logical_op_box))); + a_filter_string = g_string_append(a_filter_string,s->str); + + /* + * resetting simple expression lines + */ + gui_filter_line_reset(fvdl); + if(i) gui_filter_line_set_visible(fvdl,FALSE); // Only keep the first line + } + + /* end expression */ + a_filter_string = g_string_append_c(a_filter_string,')'); + + g_string_prepend(a_filter_string,gtk_entry_get_text(GTK_ENTRY(fvd->f_expression_field))); + gtk_entry_set_text(GTK_ENTRY(fvd->f_expression_field),a_filter_string->str); + +} + +/** + * @fn void callback_logical_op_box(GtkWidget*,gpointer) + * + * The logical op box callback function + * @param widget The Button widget passed to the callback function + * @param data Data sent along with the callback function + */ +void +callback_logical_op_box(GtkWidget *widget, gpointer data) { + + g_debug("callback_logical_op_box(): adding new simple expression"); + + FilterViewerData *fvd = (FilterViewerData*)data; + FilterViewerDataLine *fvdl = NULL; + + int i; + for(i=0;if_lines->len;i++) { + fvdl = (FilterViewerDataLine*)g_ptr_array_index(fvd->f_lines,i); + if(fvdl->f_logical_op_box == widget) { + if(gtk_combo_box_get_active(GTK_COMBO_BOX(fvdl->f_logical_op_box)) == 0) return; + if(i==fvd->f_lines->len-1) { /* create a new line */ + fvd->rows++; + FilterViewerDataLine* fvdl2 = gui_filter_add_line(fvd); + g_ptr_array_add(fvd->f_lines,(gpointer) fvdl2); + } else { + FilterViewerDataLine *fvdl2 = (FilterViewerDataLine*)g_ptr_array_index(fvd->f_lines,i+1); + if(!fvdl2->visible) gui_filter_line_set_visible(fvdl2,TRUE); + } + } + } + +} LTTV_MODULE("guifilter", "Filter window", \ "Graphical module that let user specify their filtering options", \