--- /dev/null
+/* This file is part of the Linux Trace Toolkit viewer
+ * 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
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <glib.h>
+#include <string.h>
+#include <gtk/gtk.h>
+#include <gdk/gdk.h>
+#include <gdk/gdkkeysyms.h>
+
+#include <lttv/lttv.h>
+#include <lttv/module.h>
+#include <lttv/hook.h>
+#include <lttv/filter.h>
+
+#include <lttvwindow/lttvwindow.h>
+#include <lttvwindow/lttvwindowtraces.h>
+
+#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(LttvPlugin *plugin);
+void gui_filter_destructor(FilterViewerData *fvd);
+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 {
+ 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) */
+
+ 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) */
+
+};
+
+/**
+ * @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->f_window;
+}
+
+/**
+ * @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(LttvPlugin *plugin)
+{
+ g_debug("filter::gui_filter()");
+
+ unsigned i;
+ GtkCellRenderer *renderer;
+ GtkTreeViewColumn *column;
+
+ FilterViewerData* fvd = g_new(FilterViewerData,1);
+
+ fvd->plugin = plugin;
+
+// 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.subname"));
+ 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("channel.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);
+
+
+
+ /*
+ * 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);
+
+ gtk_table_attach( GTK_TABLE(fvd->f_main_box),fvd->f_add_button,6,7,2,3,GTK_FILL,GTK_FILL,0,0);
+
+ 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_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;i<fvd->f_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);
+
+
+ g_object_set_data_full(
+ G_OBJECT(guifilter_get_widget(fvd)),
+ "filter_viewer_data",
+ 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;i<fvd->f_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;i<fvd->f_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;i<fvd->f_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;i<fvd->f_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)
+{
+ /* 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);
+// }
+ lttvwindowtraces_background_notify_remove(fvd);
+
+ g_filter_list = g_slist_remove(g_filter_list, fvd);
+
+ g_free(fvd);
+}
+
+
+/**
+ * @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 obj Object to interact with.
+ * @return The widget created.
+ */
+GtkWidget *
+h_guifilter(LttvPlugin *plugin)
+{
+ FilterViewerData* f = gui_filter(plugin) ;
+
+ return NULL;
+}
+
+/**
+ * @fn static void init()
+ *
+ * This function initializes the Filter Viewer functionnality through the
+ * gtkTraceSet API.
+ */
+static void init() {
+
+ lttvwindow_register_constructor("guifilter",
+ "/",
+ "Insert Filter Module",
+ hGuiFilterInsert_xpm,
+ "Insert Filter Module",
+ h_guifilter);
+}
+
+/**
+ * @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 : 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));
+}
+
+/**
+ * @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.
+ */
+static void destroy() {
+
+ g_slist_foreach(g_filter_list, filter_destroy_walk, NULL );
+
+ 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;i<fvd->f_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;i<fvd->f_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", \
+ init, destroy, "lttvwindow")
+
projects / lttv.git / blobdiff