| 1 | /* |
| 2 | * This file is part of DisOrder. |
| 3 | * Copyright (C) 2011 Richard Kettlewell |
| 4 | * |
| 5 | * This program is free software: you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation, either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | */ |
| 18 | /** @file disobedience/filter.c |
| 19 | * @brief Track filtering |
| 20 | */ |
| 21 | |
| 22 | #include "disobedience.h" |
| 23 | |
| 24 | static GtkWidget *filtering_window; |
| 25 | static void filter_close(GtkButton attribute((unused)) *button, |
| 26 | gpointer attribute((unused)) userdata); |
| 27 | |
| 28 | static struct filter_row { |
| 29 | const char *label; |
| 30 | const char *pref; |
| 31 | GtkWidget *entry; |
| 32 | } filter_rows[] = { |
| 33 | { "Required tags", "required-tags", NULL }, |
| 34 | { "Prohibited tags", "prohibited-tags", NULL }, |
| 35 | }; |
| 36 | #define NFILTER (sizeof filter_rows / sizeof *filter_rows) |
| 37 | |
| 38 | /** @brief Buttons for filtering popup */ |
| 39 | static struct button filter_buttons[] = { |
| 40 | { |
| 41 | .stock = GTK_STOCK_CLOSE, |
| 42 | .clicked = filter_close, |
| 43 | .tip = "Close window", |
| 44 | .pack = gtk_box_pack_end, |
| 45 | }, |
| 46 | }; |
| 47 | #define NFILTER_BUTTONS (sizeof filter_buttons / sizeof *filter_buttons) |
| 48 | |
| 49 | static void filter_close(GtkButton attribute((unused)) *button, |
| 50 | gpointer attribute((unused)) userdata) { |
| 51 | gtk_widget_destroy(filtering_window); |
| 52 | } |
| 53 | |
| 54 | /** @brief Called with the latest setting for a row */ |
| 55 | static void filter_get_completed(void *v, const char *err, |
| 56 | const char *value) { |
| 57 | if(err) |
| 58 | popup_protocol_error(0, err); |
| 59 | else if(filtering_window) { |
| 60 | struct filter_row *row = v; |
| 61 | /* Identify unset and empty lists */ |
| 62 | if(!value) |
| 63 | value = ""; |
| 64 | /* Skip trivial updates (we'll see one as a consequence of each |
| 65 | * update we make...) */ |
| 66 | if(strcmp(gtk_entry_get_text(GTK_ENTRY(row->entry)), value)) |
| 67 | gtk_entry_set_text(GTK_ENTRY(row->entry), value); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | /** @brief Retrieve the latest setting for @p row */ |
| 72 | static void filter_get(struct filter_row *row) { |
| 73 | disorder_eclient_get_global(client, filter_get_completed, row->pref, row); |
| 74 | } |
| 75 | |
| 76 | /** @brief Called when the user changes the contents of some entry */ |
| 77 | static void filter_entry_changed(GtkEditable *editable, gpointer user_data) { |
| 78 | struct filter_row *row = user_data; |
| 79 | const char *new_value = gtk_entry_get_text(GTK_ENTRY(editable)); |
| 80 | if(*new_value) |
| 81 | disorder_eclient_set_global(client, NULL, row->pref, new_value, row); |
| 82 | else |
| 83 | disorder_eclient_unset_global(client, NULL, row->pref, row); |
| 84 | } |
| 85 | |
| 86 | /** @brief Display the filtering window */ |
| 87 | void popup_filtering(void) { |
| 88 | GtkWidget *label, *table, *hbox; |
| 89 | /* Pop up the window if it already exists */ |
| 90 | if(filtering_window) { |
| 91 | gtk_window_present(GTK_WINDOW(filtering_window)); |
| 92 | return; |
| 93 | } |
| 94 | /* Create the window */ |
| 95 | /* TODO loads of this is very similar to (copied from!) users.c - can we |
| 96 | * de-dupe? */ |
| 97 | filtering_window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
| 98 | gtk_widget_set_style(filtering_window, tool_style); |
| 99 | gtk_window_set_title(GTK_WINDOW(filtering_window), "Filtering"); |
| 100 | g_signal_connect(filtering_window, "destroy", |
| 101 | G_CALLBACK(gtk_widget_destroyed), &filtering_window); |
| 102 | table = gtk_table_new(NFILTER + 1/*rows*/, 2/*cols*/, FALSE/*homogeneous*/); |
| 103 | gtk_widget_set_style(table, tool_style);\ |
| 104 | |
| 105 | for(size_t n = 0; n < NFILTER; ++n) { |
| 106 | label = gtk_label_new(filter_rows[n].label); |
| 107 | gtk_widget_set_style(label, tool_style); |
| 108 | gtk_misc_set_alignment(GTK_MISC(label), 1/*right*/, 0/*bottom*/); |
| 109 | gtk_table_attach(GTK_TABLE(table), label, |
| 110 | 0, 1, /* left/right_attach */ |
| 111 | n, n+1, /* top/bottom_attach */ |
| 112 | GTK_FILL, 0, /* x/yoptions */ |
| 113 | 1, 1); /* x/ypadding */ |
| 114 | filter_rows[n].entry = gtk_entry_new(); |
| 115 | gtk_widget_set_style(filter_rows[n].entry, tool_style); |
| 116 | gtk_table_attach(GTK_TABLE(table), filter_rows[n].entry, |
| 117 | 1, 2, /* left/right_attach */ |
| 118 | n, n+1, /* top/bottom_attach */ |
| 119 | GTK_FILL, 0, /* x/yoptions */ |
| 120 | 1, 1); /* x/ypadding */ |
| 121 | g_signal_connect(filter_rows[n].entry, "changed", |
| 122 | G_CALLBACK(filter_entry_changed), &filter_rows[n]); |
| 123 | filter_get(&filter_rows[n]); |
| 124 | } |
| 125 | hbox = create_buttons_box(filter_buttons, |
| 126 | NFILTER_BUTTONS, |
| 127 | gtk_hbox_new(FALSE, 1)); |
| 128 | gtk_table_attach_defaults(GTK_TABLE(table), hbox, |
| 129 | 0, 2, /* left/right_attach */ |
| 130 | NFILTER, NFILTER+1); /* top/bottom_attach */ |
| 131 | |
| 132 | gtk_container_add(GTK_CONTAINER(filtering_window), frame_widget(table, NULL)); |
| 133 | gtk_widget_show_all(filtering_window); |
| 134 | } |
| 135 | |
| 136 | /** @brief Called when any global pref changes */ |
| 137 | static void filtering_global_pref_changed(const char *event, |
| 138 | void *eventdata, |
| 139 | void *callbackdata) { |
| 140 | const char *pref = eventdata; |
| 141 | if(!filtering_window) |
| 142 | return; /* not paying attention */ |
| 143 | for(size_t n = 0; n < NFILTER; ++n) { |
| 144 | if(!strcmp(pref, filter_rows[n].pref)) |
| 145 | filter_get(&filter_rows[n]); |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | /** @brief Initialize filtering infrastructure */ |
| 150 | void filtering_init() { |
| 151 | event_register("global-pref", filtering_global_pref_changed, NULL); |
| 152 | } |