1 | #include <gtk/gtk.h> |
2 | |
3 | #include "exampleapp.h" |
4 | #include "exampleappwin.h" |
5 | |
6 | struct _ExampleAppWindow |
7 | { |
8 | GtkApplicationWindow parent; |
9 | |
10 | GSettings *settings; |
11 | GtkWidget *stack; |
12 | GtkWidget *gears; |
13 | GtkWidget *search; |
14 | GtkWidget *searchbar; |
15 | GtkWidget *searchentry; |
16 | GtkWidget *; |
17 | GtkWidget *words; |
18 | }; |
19 | |
20 | G_DEFINE_TYPE (ExampleAppWindow, example_app_window, GTK_TYPE_APPLICATION_WINDOW) |
21 | |
22 | static void |
23 | search_text_changed (GtkEntry *entry, |
24 | ExampleAppWindow *win) |
25 | { |
26 | const char *text; |
27 | GtkWidget *tab; |
28 | GtkWidget *view; |
29 | GtkTextBuffer *buffer; |
30 | GtkTextIter start, match_start, match_end; |
31 | |
32 | text = gtk_editable_get_text (GTK_EDITABLE (entry)); |
33 | |
34 | if (text[0] == '\0') |
35 | return; |
36 | |
37 | tab = gtk_stack_get_visible_child (GTK_STACK (win->stack)); |
38 | view = gtk_scrolled_window_get_child (GTK_SCROLLED_WINDOW (tab)); |
39 | buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); |
40 | |
41 | /* Very simple-minded search implementation */ |
42 | gtk_text_buffer_get_start_iter (buffer, iter: &start); |
43 | if (gtk_text_iter_forward_search (iter: &start, str: text, flags: GTK_TEXT_SEARCH_CASE_INSENSITIVE, |
44 | match_start: &match_start, match_end: &match_end, NULL)) |
45 | { |
46 | gtk_text_buffer_select_range (buffer, ins: &match_start, bound: &match_end); |
47 | gtk_text_view_scroll_to_iter (GTK_TEXT_VIEW (view), iter: &match_start, |
48 | within_margin: 0.0, FALSE, xalign: 0.0, yalign: 0.0); |
49 | } |
50 | } |
51 | |
52 | static void |
53 | find_word (GtkButton *button, |
54 | ExampleAppWindow *win) |
55 | { |
56 | const char *word; |
57 | |
58 | word = gtk_button_get_label (button); |
59 | gtk_editable_set_text (GTK_EDITABLE (win->searchentry), text: word); |
60 | } |
61 | |
62 | static void |
63 | update_words (ExampleAppWindow *win) |
64 | { |
65 | GHashTable *strings; |
66 | GHashTableIter iter; |
67 | GtkWidget *tab, *view, *row; |
68 | GtkTextBuffer *buffer; |
69 | GtkTextIter start, end; |
70 | char *word, *key; |
71 | GtkWidget *child; |
72 | |
73 | tab = gtk_stack_get_visible_child (GTK_STACK (win->stack)); |
74 | |
75 | if (tab == NULL) |
76 | return; |
77 | |
78 | view = gtk_scrolled_window_get_child (GTK_SCROLLED_WINDOW (tab)); |
79 | buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); |
80 | |
81 | strings = g_hash_table_new_full (hash_func: g_str_hash, key_equal_func: g_str_equal, key_destroy_func: g_free, NULL); |
82 | |
83 | gtk_text_buffer_get_start_iter (buffer, iter: &start); |
84 | while (!gtk_text_iter_is_end (iter: &start)) |
85 | { |
86 | while (!gtk_text_iter_starts_word (iter: &start)) |
87 | { |
88 | if (!gtk_text_iter_forward_char (iter: &start)) |
89 | goto done; |
90 | } |
91 | end = start; |
92 | if (!gtk_text_iter_forward_word_end (iter: &end)) |
93 | goto done; |
94 | word = gtk_text_buffer_get_text (buffer, start: &start, end: &end, FALSE); |
95 | g_hash_table_add (hash_table: strings, key: g_utf8_strdown (str: word, len: -1)); |
96 | g_free (mem: word); |
97 | start = end; |
98 | } |
99 | |
100 | done: |
101 | while ((child = gtk_widget_get_first_child (widget: win->words))) |
102 | gtk_list_box_remove (GTK_LIST_BOX (win->words), child); |
103 | |
104 | g_hash_table_iter_init (iter: &iter, hash_table: strings); |
105 | while (g_hash_table_iter_next (iter: &iter, key: (gpointer *)&key, NULL)) |
106 | { |
107 | row = gtk_button_new_with_label (label: key); |
108 | g_signal_connect (row, "clicked" , |
109 | G_CALLBACK (find_word), win); |
110 | gtk_list_box_insert (GTK_LIST_BOX (win->words), child: row, position: -1); |
111 | } |
112 | |
113 | g_hash_table_unref (hash_table: strings); |
114 | } |
115 | |
116 | static void |
117 | visible_child_changed (GObject *stack, |
118 | GParamSpec *pspec, |
119 | ExampleAppWindow *win) |
120 | { |
121 | if (gtk_widget_in_destruction (GTK_WIDGET (stack))) |
122 | return; |
123 | |
124 | gtk_search_bar_set_search_mode (GTK_SEARCH_BAR (win->searchbar), FALSE); |
125 | update_words (win); |
126 | } |
127 | |
128 | static void |
129 | words_changed (GObject *, |
130 | GParamSpec *pspec, |
131 | ExampleAppWindow *win) |
132 | { |
133 | update_words (win); |
134 | } |
135 | |
136 | static void |
137 | example_app_window_init (ExampleAppWindow *win) |
138 | { |
139 | GtkBuilder *builder; |
140 | GMenuModel *; |
141 | GAction *action; |
142 | |
143 | gtk_widget_init_template (GTK_WIDGET (win)); |
144 | |
145 | builder = gtk_builder_new_from_resource (resource_path: "/org/gtk/exampleapp/gears-menu.ui" ); |
146 | menu = G_MENU_MODEL (gtk_builder_get_object (builder, "menu" )); |
147 | gtk_menu_button_set_menu_model (GTK_MENU_BUTTON (win->gears), menu_model: menu); |
148 | g_object_unref (object: builder); |
149 | |
150 | win->settings = g_settings_new (schema_id: "org.gtk.exampleapp" ); |
151 | |
152 | g_settings_bind (settings: win->settings, key: "transition" , |
153 | object: win->stack, property: "transition-type" , |
154 | flags: G_SETTINGS_BIND_DEFAULT); |
155 | |
156 | g_settings_bind (settings: win->settings, key: "show-words" , |
157 | object: win->sidebar, property: "reveal-child" , |
158 | flags: G_SETTINGS_BIND_DEFAULT); |
159 | |
160 | g_object_bind_property (source: win->search, source_property: "active" , |
161 | target: win->searchbar, target_property: "search-mode-enabled" , |
162 | flags: G_BINDING_BIDIRECTIONAL); |
163 | |
164 | g_signal_connect (win->sidebar, "notify::reveal-child" , |
165 | G_CALLBACK (words_changed), win); |
166 | |
167 | action = g_settings_create_action (settings: win->settings, key: "show-words" ); |
168 | g_action_map_add_action (G_ACTION_MAP (win), action); |
169 | g_object_unref (object: action); |
170 | } |
171 | |
172 | static void |
173 | example_app_window_dispose (GObject *object) |
174 | { |
175 | ExampleAppWindow *win; |
176 | |
177 | win = EXAMPLE_APP_WINDOW (ptr: object); |
178 | |
179 | g_clear_object (&win->settings); |
180 | |
181 | G_OBJECT_CLASS (example_app_window_parent_class)->dispose (object); |
182 | } |
183 | |
184 | static void |
185 | example_app_window_class_init (ExampleAppWindowClass *class) |
186 | { |
187 | G_OBJECT_CLASS (class)->dispose = example_app_window_dispose; |
188 | |
189 | gtk_widget_class_set_template_from_resource (GTK_WIDGET_CLASS (class), |
190 | resource_name: "/org/gtk/exampleapp/window.ui" ); |
191 | |
192 | gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), ExampleAppWindow, stack); |
193 | gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), ExampleAppWindow, gears); |
194 | gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), ExampleAppWindow, search); |
195 | gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), ExampleAppWindow, searchbar); |
196 | gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), ExampleAppWindow, searchentry); |
197 | gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), ExampleAppWindow, words); |
198 | gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), ExampleAppWindow, sidebar); |
199 | |
200 | gtk_widget_class_bind_template_callback (GTK_WIDGET_CLASS (class), search_text_changed); |
201 | gtk_widget_class_bind_template_callback (GTK_WIDGET_CLASS (class), visible_child_changed); |
202 | |
203 | } |
204 | |
205 | ExampleAppWindow * |
206 | example_app_window_new (ExampleApp *app) |
207 | { |
208 | return g_object_new (EXAMPLE_APP_WINDOW_TYPE, first_property_name: "application" , app, NULL); |
209 | } |
210 | |
211 | void |
212 | example_app_window_open (ExampleAppWindow *win, |
213 | GFile *file) |
214 | { |
215 | char *basename; |
216 | GtkWidget *scrolled, *view; |
217 | char *contents; |
218 | gsize length; |
219 | GtkTextBuffer *buffer; |
220 | GtkTextTag *tag; |
221 | GtkTextIter start_iter, end_iter; |
222 | |
223 | basename = g_file_get_basename (file); |
224 | |
225 | scrolled = gtk_scrolled_window_new (); |
226 | gtk_widget_set_hexpand (widget: scrolled, TRUE); |
227 | gtk_widget_set_vexpand (widget: scrolled, TRUE); |
228 | view = gtk_text_view_new (); |
229 | gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE); |
230 | gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE); |
231 | gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (scrolled), child: view); |
232 | gtk_stack_add_titled (GTK_STACK (win->stack), child: scrolled, name: basename, title: basename); |
233 | |
234 | buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); |
235 | |
236 | if (g_file_load_contents (file, NULL, contents: &contents, length: &length, NULL, NULL)) |
237 | { |
238 | gtk_text_buffer_set_text (buffer, text: contents, len: length); |
239 | g_free (mem: contents); |
240 | } |
241 | |
242 | tag = gtk_text_buffer_create_tag (buffer, NULL, NULL); |
243 | g_settings_bind (settings: win->settings, key: "font" , |
244 | object: tag, property: "font" , |
245 | flags: G_SETTINGS_BIND_DEFAULT); |
246 | |
247 | gtk_text_buffer_get_start_iter (buffer, iter: &start_iter); |
248 | gtk_text_buffer_get_end_iter (buffer, iter: &end_iter); |
249 | gtk_text_buffer_apply_tag (buffer, tag, start: &start_iter, end: &end_iter); |
250 | |
251 | g_free (mem: basename); |
252 | |
253 | gtk_widget_set_sensitive (widget: win->search, TRUE); |
254 | |
255 | update_words (win); |
256 | } |
257 | |