1 | #include "suggestionentry.h" |
2 | |
3 | struct _MatchObject |
4 | { |
5 | GObject parent_instance; |
6 | |
7 | GObject *item; |
8 | char *string; |
9 | guint match_start; |
10 | guint match_end; |
11 | guint score; |
12 | }; |
13 | |
14 | typedef struct |
15 | { |
16 | GObjectClass parent_class; |
17 | } MatchObjectClass; |
18 | |
19 | enum |
20 | { |
21 | PROP_ITEM = 1, |
22 | PROP_STRING, |
23 | PROP_MATCH_START, |
24 | PROP_MATCH_END, |
25 | PROP_SCORE, |
26 | N_MATCH_PROPERTIES |
27 | }; |
28 | |
29 | static GParamSpec *match_properties[N_MATCH_PROPERTIES]; |
30 | |
31 | G_DEFINE_TYPE (MatchObject, match_object, G_TYPE_OBJECT) |
32 | |
33 | static void |
34 | match_object_init (MatchObject *object) |
35 | { |
36 | } |
37 | |
38 | static void |
39 | match_object_get_property (GObject *object, |
40 | guint property_id, |
41 | GValue *value, |
42 | GParamSpec *pspec) |
43 | { |
44 | MatchObject *self = MATCH_OBJECT (object); |
45 | |
46 | switch (property_id) |
47 | { |
48 | case PROP_ITEM: |
49 | g_value_set_object (value, v_object: self->item); |
50 | break; |
51 | |
52 | case PROP_STRING: |
53 | g_value_set_string (value, v_string: self->string); |
54 | break; |
55 | |
56 | case PROP_MATCH_START: |
57 | g_value_set_uint (value, v_uint: self->match_start); |
58 | break; |
59 | |
60 | case PROP_MATCH_END: |
61 | g_value_set_uint (value, v_uint: self->match_end); |
62 | break; |
63 | |
64 | case PROP_SCORE: |
65 | g_value_set_uint (value, v_uint: self->score); |
66 | break; |
67 | |
68 | default: |
69 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); |
70 | break; |
71 | } |
72 | } |
73 | |
74 | static void |
75 | match_object_set_property (GObject *object, |
76 | guint property_id, |
77 | const GValue *value, |
78 | GParamSpec *pspec) |
79 | { |
80 | MatchObject *self = MATCH_OBJECT (object); |
81 | |
82 | switch (property_id) |
83 | { |
84 | case PROP_ITEM: |
85 | self->item = g_value_get_object (value); |
86 | break; |
87 | |
88 | case PROP_STRING: |
89 | self->string = g_value_dup_string (value); |
90 | break; |
91 | |
92 | case PROP_MATCH_START: |
93 | if (self->match_start != g_value_get_uint (value)) |
94 | { |
95 | self->match_start = g_value_get_uint (value); |
96 | g_object_notify_by_pspec (object, pspec); |
97 | } |
98 | break; |
99 | |
100 | case PROP_MATCH_END: |
101 | if (self->match_end != g_value_get_uint (value)) |
102 | { |
103 | self->match_end = g_value_get_uint (value); |
104 | g_object_notify_by_pspec (object, pspec); |
105 | } |
106 | break; |
107 | |
108 | case PROP_SCORE: |
109 | if (self->score != g_value_get_uint (value)) |
110 | { |
111 | self->score = g_value_get_uint (value); |
112 | g_object_notify_by_pspec (object, pspec); |
113 | } |
114 | break; |
115 | |
116 | default: |
117 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); |
118 | break; |
119 | } |
120 | } |
121 | |
122 | static void |
123 | match_object_dispose (GObject *object) |
124 | { |
125 | MatchObject *self = MATCH_OBJECT (object); |
126 | |
127 | g_clear_object (&self->item); |
128 | g_clear_pointer (&self->string, g_free); |
129 | |
130 | G_OBJECT_CLASS (match_object_parent_class)->dispose (object); |
131 | } |
132 | |
133 | static void |
134 | match_object_class_init (MatchObjectClass *class) |
135 | { |
136 | GObjectClass *object_class = G_OBJECT_CLASS (class); |
137 | |
138 | object_class->dispose = match_object_dispose; |
139 | object_class->get_property = match_object_get_property; |
140 | object_class->set_property = match_object_set_property; |
141 | |
142 | match_properties[PROP_ITEM] |
143 | = g_param_spec_object (name: "item" , nick: "Item" , blurb: "Item" , |
144 | G_TYPE_OBJECT, |
145 | flags: G_PARAM_READWRITE | |
146 | G_PARAM_CONSTRUCT_ONLY | |
147 | G_PARAM_STATIC_STRINGS); |
148 | match_properties[PROP_STRING] |
149 | = g_param_spec_string (name: "string" , nick: "String" , blurb: "String" , |
150 | NULL, |
151 | flags: G_PARAM_READWRITE | |
152 | G_PARAM_CONSTRUCT_ONLY | |
153 | G_PARAM_STATIC_STRINGS); |
154 | match_properties[PROP_MATCH_START] |
155 | = g_param_spec_uint (name: "match-start" , nick: "Match Start" , blurb: "Match Start" , |
156 | minimum: 0, G_MAXUINT, default_value: 0, |
157 | flags: G_PARAM_READWRITE | |
158 | G_PARAM_EXPLICIT_NOTIFY | |
159 | G_PARAM_STATIC_STRINGS); |
160 | match_properties[PROP_MATCH_END] |
161 | = g_param_spec_uint (name: "match-end" , nick: "Match End" , blurb: "Match End" , |
162 | minimum: 0, G_MAXUINT, default_value: 0, |
163 | flags: G_PARAM_READWRITE | |
164 | G_PARAM_EXPLICIT_NOTIFY | |
165 | G_PARAM_STATIC_STRINGS); |
166 | match_properties[PROP_SCORE] |
167 | = g_param_spec_uint (name: "score" , nick: "Score" , blurb: "Score" , |
168 | minimum: 0, G_MAXUINT, default_value: 0, |
169 | flags: G_PARAM_READWRITE | |
170 | G_PARAM_EXPLICIT_NOTIFY | |
171 | G_PARAM_STATIC_STRINGS); |
172 | |
173 | g_object_class_install_properties (oclass: object_class, n_pspecs: N_MATCH_PROPERTIES, pspecs: match_properties); |
174 | } |
175 | |
176 | static MatchObject * |
177 | match_object_new (gpointer item, |
178 | const char *string) |
179 | { |
180 | return g_object_new (MATCH_TYPE_OBJECT, |
181 | first_property_name: "item" , item, |
182 | "string" , string, |
183 | NULL); |
184 | } |
185 | |
186 | gpointer |
187 | match_object_get_item (MatchObject *object) |
188 | { |
189 | return object->item; |
190 | } |
191 | |
192 | const char * |
193 | match_object_get_string (MatchObject *object) |
194 | { |
195 | return object->string; |
196 | } |
197 | |
198 | guint |
199 | match_object_get_match_start (MatchObject *object) |
200 | { |
201 | return object->match_start; |
202 | } |
203 | |
204 | guint |
205 | match_object_get_match_end (MatchObject *object) |
206 | { |
207 | return object->match_end; |
208 | } |
209 | |
210 | guint |
211 | match_object_get_score (MatchObject *object) |
212 | { |
213 | return object->score; |
214 | } |
215 | |
216 | void |
217 | match_object_set_match (MatchObject *object, |
218 | guint start, |
219 | guint end, |
220 | guint score) |
221 | { |
222 | g_object_freeze_notify (G_OBJECT (object)); |
223 | |
224 | g_object_set (object, |
225 | first_property_name: "match-start" , start, |
226 | "match-end" , end, |
227 | "score" , score, |
228 | NULL); |
229 | |
230 | g_object_thaw_notify (G_OBJECT (object)); |
231 | } |
232 | |
233 | /* ---- */ |
234 | |
235 | struct _SuggestionEntry |
236 | { |
237 | GtkWidget parent_instance; |
238 | |
239 | GListModel *model; |
240 | GtkListItemFactory *factory; |
241 | GtkExpression *expression; |
242 | |
243 | GtkFilter *filter; |
244 | GtkMapListModel *map_model; |
245 | GtkSingleSelection *selection; |
246 | |
247 | GtkWidget *entry; |
248 | GtkWidget *arrow; |
249 | GtkWidget *; |
250 | GtkWidget *list; |
251 | |
252 | char *search; |
253 | |
254 | SuggestionEntryMatchFunc match_func; |
255 | gpointer match_data; |
256 | GDestroyNotify destroy; |
257 | |
258 | gulong changed_id; |
259 | |
260 | guint use_filter : 1; |
261 | guint show_arrow : 1; |
262 | }; |
263 | |
264 | typedef struct _SuggestionEntryClass SuggestionEntryClass; |
265 | |
266 | struct _SuggestionEntryClass |
267 | { |
268 | GtkWidgetClass parent_class; |
269 | }; |
270 | |
271 | enum |
272 | { |
273 | PROP_0, |
274 | PROP_MODEL, |
275 | PROP_FACTORY, |
276 | PROP_EXPRESSION, |
277 | PROP_PLACEHOLDER_TEXT, |
278 | , |
279 | PROP_USE_FILTER, |
280 | PROP_SHOW_ARROW, |
281 | |
282 | N_PROPERTIES, |
283 | }; |
284 | |
285 | static void suggestion_entry_set_popup_visible (SuggestionEntry *self, |
286 | gboolean visible); |
287 | |
288 | static GtkEditable * |
289 | suggestion_entry_get_delegate (GtkEditable *editable) |
290 | { |
291 | return GTK_EDITABLE (SUGGESTION_ENTRY (editable)->entry); |
292 | } |
293 | |
294 | static void |
295 | suggestion_entry_editable_init (GtkEditableInterface *iface) |
296 | { |
297 | iface->get_delegate = suggestion_entry_get_delegate; |
298 | } |
299 | |
300 | G_DEFINE_TYPE_WITH_CODE (SuggestionEntry, suggestion_entry, GTK_TYPE_WIDGET, |
301 | G_IMPLEMENT_INTERFACE (GTK_TYPE_EDITABLE, |
302 | suggestion_entry_editable_init)) |
303 | |
304 | static GParamSpec *properties[N_PROPERTIES] = { NULL, }; |
305 | |
306 | static void |
307 | suggestion_entry_dispose (GObject *object) |
308 | { |
309 | SuggestionEntry *self = SUGGESTION_ENTRY (object); |
310 | |
311 | if (self->changed_id) |
312 | { |
313 | g_signal_handler_disconnect (instance: self->entry, handler_id: self->changed_id); |
314 | self->changed_id = 0; |
315 | } |
316 | g_clear_pointer (&self->entry, gtk_widget_unparent); |
317 | g_clear_pointer (&self->arrow, gtk_widget_unparent); |
318 | g_clear_pointer (&self->popup, gtk_widget_unparent); |
319 | |
320 | g_clear_pointer (&self->expression, gtk_expression_unref); |
321 | g_clear_object (&self->factory); |
322 | |
323 | g_clear_object (&self->model); |
324 | g_clear_object (&self->map_model); |
325 | g_clear_object (&self->selection); |
326 | |
327 | g_clear_pointer (&self->search, g_free); |
328 | |
329 | if (self->destroy) |
330 | self->destroy (self->match_data); |
331 | |
332 | G_OBJECT_CLASS (suggestion_entry_parent_class)->dispose (object); |
333 | } |
334 | |
335 | static void |
336 | suggestion_entry_get_property (GObject *object, |
337 | guint property_id, |
338 | GValue *value, |
339 | GParamSpec *pspec) |
340 | { |
341 | SuggestionEntry *self = SUGGESTION_ENTRY (object); |
342 | |
343 | if (gtk_editable_delegate_get_property (object, prop_id: property_id, value, pspec)) |
344 | return; |
345 | |
346 | switch (property_id) |
347 | { |
348 | case PROP_MODEL: |
349 | g_value_set_object (value, v_object: suggestion_entry_get_model (self)); |
350 | break; |
351 | |
352 | case PROP_FACTORY: |
353 | g_value_set_object (value, v_object: suggestion_entry_get_factory (self)); |
354 | break; |
355 | |
356 | case PROP_EXPRESSION: |
357 | gtk_value_set_expression (value, expression: suggestion_entry_get_expression (self)); |
358 | break; |
359 | |
360 | case PROP_PLACEHOLDER_TEXT: |
361 | g_value_set_string (value, v_string: gtk_text_get_placeholder_text (GTK_TEXT (self->entry))); |
362 | break; |
363 | |
364 | case PROP_POPUP_VISIBLE: |
365 | g_value_set_boolean (value, v_boolean: self->popup && gtk_widget_get_visible (widget: self->popup)); |
366 | break; |
367 | |
368 | case PROP_USE_FILTER: |
369 | g_value_set_boolean (value, v_boolean: suggestion_entry_get_use_filter (self)); |
370 | break; |
371 | |
372 | case PROP_SHOW_ARROW: |
373 | g_value_set_boolean (value, v_boolean: suggestion_entry_get_show_arrow (self)); |
374 | break; |
375 | |
376 | default: |
377 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); |
378 | break; |
379 | } |
380 | } |
381 | |
382 | static void |
383 | suggestion_entry_set_property (GObject *object, |
384 | guint property_id, |
385 | const GValue *value, |
386 | GParamSpec *pspec) |
387 | { |
388 | SuggestionEntry *self = SUGGESTION_ENTRY (object); |
389 | |
390 | if (gtk_editable_delegate_set_property (object, prop_id: property_id, value, pspec)) |
391 | return; |
392 | |
393 | switch (property_id) |
394 | { |
395 | case PROP_MODEL: |
396 | suggestion_entry_set_model (self, model: g_value_get_object (value)); |
397 | break; |
398 | |
399 | case PROP_FACTORY: |
400 | suggestion_entry_set_factory (self, factory: g_value_get_object (value)); |
401 | break; |
402 | |
403 | case PROP_EXPRESSION: |
404 | suggestion_entry_set_expression (self, expression: gtk_value_get_expression (value)); |
405 | break; |
406 | |
407 | case PROP_PLACEHOLDER_TEXT: |
408 | gtk_text_set_placeholder_text (GTK_TEXT (self->entry), text: g_value_get_string (value)); |
409 | break; |
410 | |
411 | case PROP_POPUP_VISIBLE: |
412 | suggestion_entry_set_popup_visible (self, visible: g_value_get_boolean (value)); |
413 | break; |
414 | |
415 | case PROP_USE_FILTER: |
416 | suggestion_entry_set_use_filter (self, use_ilter: g_value_get_boolean (value)); |
417 | break; |
418 | |
419 | case PROP_SHOW_ARROW: |
420 | suggestion_entry_set_show_arrow (self, show_arrow: g_value_get_boolean (value)); |
421 | break; |
422 | |
423 | default: |
424 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); |
425 | break; |
426 | } |
427 | } |
428 | |
429 | static void |
430 | suggestion_entry_measure (GtkWidget *widget, |
431 | GtkOrientation orientation, |
432 | int for_size, |
433 | int *minimum, |
434 | int *natural, |
435 | int *minimum_baseline, |
436 | int *natural_baseline) |
437 | { |
438 | SuggestionEntry *self = SUGGESTION_ENTRY (widget); |
439 | int arrow_min = 0, arrow_nat = 0; |
440 | |
441 | gtk_widget_measure (widget: self->entry, orientation, for_size, |
442 | minimum, natural, |
443 | minimum_baseline, natural_baseline); |
444 | |
445 | if (self->arrow && gtk_widget_get_visible (widget: self->arrow)) |
446 | gtk_widget_measure (widget: self->arrow, orientation, for_size, |
447 | minimum: &arrow_min, natural: &arrow_nat, |
448 | NULL, NULL); |
449 | } |
450 | |
451 | static void |
452 | suggestion_entry_size_allocate (GtkWidget *widget, |
453 | int width, |
454 | int height, |
455 | int baseline) |
456 | { |
457 | SuggestionEntry *self = SUGGESTION_ENTRY (widget); |
458 | int arrow_min = 0, arrow_nat = 0; |
459 | |
460 | if (self->arrow && gtk_widget_get_visible (widget: self->arrow)) |
461 | gtk_widget_measure (widget: self->arrow, orientation: GTK_ORIENTATION_HORIZONTAL, for_size: -1, |
462 | minimum: &arrow_min, natural: &arrow_nat, |
463 | NULL, NULL); |
464 | |
465 | gtk_widget_size_allocate (widget: self->entry, |
466 | allocation: &(GtkAllocation) { 0, 0, width - arrow_nat, height }, |
467 | baseline); |
468 | |
469 | if (self->arrow && gtk_widget_get_visible (widget: self->arrow)) |
470 | gtk_widget_size_allocate (widget: self->arrow, |
471 | allocation: &(GtkAllocation) { width - arrow_nat, 0, arrow_nat, height }, |
472 | baseline); |
473 | |
474 | gtk_widget_set_size_request (widget: self->popup, width: gtk_widget_get_allocated_width (GTK_WIDGET (self)), height: -1); |
475 | gtk_widget_queue_resize (widget: self->popup); |
476 | |
477 | gtk_popover_present (GTK_POPOVER (self->popup)); |
478 | } |
479 | |
480 | static gboolean |
481 | suggestion_entry_grab_focus (GtkWidget *widget) |
482 | { |
483 | SuggestionEntry *self = SUGGESTION_ENTRY (widget); |
484 | |
485 | return gtk_widget_grab_focus (widget: self->entry); |
486 | } |
487 | |
488 | static void |
489 | suggestion_entry_class_init (SuggestionEntryClass *klass) |
490 | { |
491 | GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); |
492 | GObjectClass *object_class = G_OBJECT_CLASS (klass); |
493 | |
494 | object_class->dispose = suggestion_entry_dispose; |
495 | object_class->get_property = suggestion_entry_get_property; |
496 | object_class->set_property = suggestion_entry_set_property; |
497 | |
498 | widget_class->measure = suggestion_entry_measure; |
499 | widget_class->size_allocate = suggestion_entry_size_allocate; |
500 | widget_class->grab_focus = suggestion_entry_grab_focus; |
501 | |
502 | properties[PROP_MODEL] = |
503 | g_param_spec_object (name: "model" , |
504 | nick: "Model" , |
505 | blurb: "Model for the displayed items" , |
506 | G_TYPE_LIST_MODEL, |
507 | flags: G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS); |
508 | |
509 | properties[PROP_FACTORY] = |
510 | g_param_spec_object (name: "factory" , |
511 | nick: "Factory" , |
512 | blurb: "Factory for populating list items" , |
513 | GTK_TYPE_LIST_ITEM_FACTORY, |
514 | flags: G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS); |
515 | |
516 | properties[PROP_EXPRESSION] = |
517 | gtk_param_spec_expression (name: "expression" , |
518 | nick: "Expression" , |
519 | blurb: "Expression to determine strings to search for" , |
520 | flags: G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS); |
521 | |
522 | properties[PROP_PLACEHOLDER_TEXT] = |
523 | g_param_spec_string (name: "placeholder-text" , |
524 | nick: "Placeholder text" , |
525 | blurb: "Show text in the entry when it’s empty and unfocused" , |
526 | NULL, |
527 | flags: G_PARAM_READWRITE); |
528 | |
529 | properties[PROP_POPUP_VISIBLE] = |
530 | g_param_spec_boolean (name: "popup-visible" , |
531 | nick: "Popup visible" , |
532 | blurb: "Whether the popup with suggestions is currently visible" , |
533 | FALSE, |
534 | flags: G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS); |
535 | |
536 | properties[PROP_USE_FILTER] = |
537 | g_param_spec_boolean (name: "use-filter" , |
538 | nick: "Use filter" , |
539 | blurb: "Whether to filter the list for matches" , |
540 | TRUE, |
541 | flags: G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS); |
542 | |
543 | properties[PROP_SHOW_ARROW] = |
544 | g_param_spec_boolean (name: "show-arrow" , |
545 | nick: "Show arrow" , |
546 | blurb: "Whether to show a clickable arrow for presenting the popup" , |
547 | FALSE, |
548 | flags: G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS); |
549 | |
550 | g_object_class_install_properties (oclass: object_class, n_pspecs: N_PROPERTIES, pspecs: properties); |
551 | gtk_editable_install_properties (object_class, first_prop: N_PROPERTIES); |
552 | |
553 | gtk_widget_class_install_property_action (widget_class, action_name: "popup.show" , property_name: "popup-visible" ); |
554 | |
555 | gtk_widget_class_add_binding_action (widget_class, |
556 | GDK_KEY_Down, mods: GDK_ALT_MASK, |
557 | action_name: "popup.show" , NULL); |
558 | |
559 | gtk_widget_class_set_css_name (widget_class, name: "entry" ); |
560 | } |
561 | |
562 | static void |
563 | setup_item (GtkSignalListItemFactory *factory, |
564 | GtkListItem *list_item, |
565 | gpointer data) |
566 | { |
567 | GtkWidget *label; |
568 | |
569 | label = gtk_label_new (NULL); |
570 | gtk_label_set_xalign (GTK_LABEL (label), xalign: 0.0); |
571 | gtk_list_item_set_child (self: list_item, child: label); |
572 | } |
573 | |
574 | static void |
575 | bind_item (GtkSignalListItemFactory *factory, |
576 | GtkListItem *list_item, |
577 | gpointer data) |
578 | { |
579 | gpointer item; |
580 | GtkWidget *label; |
581 | GValue value = G_VALUE_INIT; |
582 | |
583 | item = gtk_list_item_get_item (self: list_item); |
584 | label = gtk_list_item_get_child (self: list_item); |
585 | |
586 | gtk_label_set_label (GTK_LABEL (label), str: match_object_get_string (MATCH_OBJECT (item))); |
587 | g_value_unset (value: &value); |
588 | } |
589 | |
590 | static void |
591 | (SuggestionEntry *self, |
592 | gboolean visible) |
593 | { |
594 | if (gtk_widget_get_visible (widget: self->popup) == visible) |
595 | return; |
596 | |
597 | if (g_list_model_get_n_items (list: G_LIST_MODEL (ptr: self->selection)) == 0) |
598 | return; |
599 | |
600 | if (visible) |
601 | { |
602 | if (!gtk_widget_has_focus (widget: self->entry)) |
603 | gtk_text_grab_focus_without_selecting (GTK_TEXT (self->entry)); |
604 | |
605 | gtk_single_selection_set_selected (self: self->selection, GTK_INVALID_LIST_POSITION); |
606 | gtk_popover_popup (GTK_POPOVER (self->popup)); |
607 | } |
608 | else |
609 | { |
610 | gtk_popover_popdown (GTK_POPOVER (self->popup)); |
611 | } |
612 | |
613 | g_object_notify_by_pspec (G_OBJECT (self), pspec: properties[PROP_POPUP_VISIBLE]); |
614 | } |
615 | |
616 | static void update_map (SuggestionEntry *self); |
617 | |
618 | static gboolean |
619 | text_changed_idle (gpointer data) |
620 | { |
621 | SuggestionEntry *self = data; |
622 | const char *text; |
623 | guint matches; |
624 | |
625 | if (!self->map_model) |
626 | return G_SOURCE_REMOVE; |
627 | |
628 | text = gtk_editable_get_text (GTK_EDITABLE (self->entry)); |
629 | |
630 | g_free (mem: self->search); |
631 | self->search = g_strdup (str: text); |
632 | |
633 | update_map (self); |
634 | |
635 | matches = g_list_model_get_n_items (list: G_LIST_MODEL (ptr: self->selection)); |
636 | |
637 | suggestion_entry_set_popup_visible (self, visible: matches > 0); |
638 | |
639 | return G_SOURCE_REMOVE; |
640 | } |
641 | |
642 | static void |
643 | text_changed (GtkEditable *editable, |
644 | GParamSpec *pspec, |
645 | SuggestionEntry *self) |
646 | { |
647 | /* We need to defer to an idle since GtkText sets selection bounds |
648 | * after notify::text |
649 | */ |
650 | g_idle_add (function: text_changed_idle, data: self); |
651 | } |
652 | |
653 | static void |
654 | accept_current_selection (SuggestionEntry *self) |
655 | { |
656 | gpointer item; |
657 | |
658 | item = gtk_single_selection_get_selected_item (self: self->selection); |
659 | if (!item) |
660 | return; |
661 | |
662 | g_signal_handler_block (instance: self->entry, handler_id: self->changed_id); |
663 | |
664 | gtk_editable_set_text (GTK_EDITABLE (self->entry), |
665 | text: match_object_get_string (MATCH_OBJECT (item))); |
666 | |
667 | gtk_editable_set_position (GTK_EDITABLE (self->entry), position: -1); |
668 | |
669 | g_signal_handler_unblock (instance: self->entry, handler_id: self->changed_id); |
670 | } |
671 | |
672 | static void |
673 | suggestion_entry_row_activated (GtkListView *listview, |
674 | guint position, |
675 | SuggestionEntry *self) |
676 | { |
677 | suggestion_entry_set_popup_visible (self, FALSE); |
678 | accept_current_selection (self); |
679 | } |
680 | |
681 | static inline gboolean |
682 | keyval_is_cursor_move (guint keyval) |
683 | { |
684 | if (keyval == GDK_KEY_Up || keyval == GDK_KEY_KP_Up) |
685 | return TRUE; |
686 | |
687 | if (keyval == GDK_KEY_Down || keyval == GDK_KEY_KP_Down) |
688 | return TRUE; |
689 | |
690 | if (keyval == GDK_KEY_Page_Up || keyval == GDK_KEY_Page_Down) |
691 | return TRUE; |
692 | |
693 | return FALSE; |
694 | } |
695 | |
696 | #define PAGE_STEP 10 |
697 | |
698 | static gboolean |
699 | suggestion_entry_key_pressed (GtkEventControllerKey *controller, |
700 | guint keyval, |
701 | guint keycode, |
702 | GdkModifierType state, |
703 | SuggestionEntry *self) |
704 | { |
705 | guint matches; |
706 | guint selected; |
707 | |
708 | if (state & (GDK_SHIFT_MASK | GDK_ALT_MASK | GDK_CONTROL_MASK)) |
709 | return FALSE; |
710 | |
711 | if (keyval == GDK_KEY_Return || |
712 | keyval == GDK_KEY_KP_Enter || |
713 | keyval == GDK_KEY_ISO_Enter) |
714 | { |
715 | suggestion_entry_set_popup_visible (self, FALSE); |
716 | accept_current_selection (self); |
717 | g_free (mem: self->search); |
718 | self->search = g_strdup (str: gtk_editable_get_text (GTK_EDITABLE (self->entry))); |
719 | update_map (self); |
720 | |
721 | return TRUE; |
722 | } |
723 | else if (keyval == GDK_KEY_Escape) |
724 | { |
725 | if (gtk_widget_get_mapped (widget: self->popup)) |
726 | { |
727 | suggestion_entry_set_popup_visible (self, FALSE); |
728 | |
729 | g_signal_handler_block (instance: self->entry, handler_id: self->changed_id); |
730 | |
731 | gtk_editable_set_text (GTK_EDITABLE (self->entry), text: self->search ? self->search : "" ); |
732 | |
733 | gtk_editable_set_position (GTK_EDITABLE (self->entry), position: -1); |
734 | |
735 | g_signal_handler_unblock (instance: self->entry, handler_id: self->changed_id); |
736 | return TRUE; |
737 | } |
738 | } |
739 | else if (keyval == GDK_KEY_Right || |
740 | keyval == GDK_KEY_KP_Right) |
741 | { |
742 | gtk_editable_set_position (GTK_EDITABLE (self->entry), position: -1); |
743 | return TRUE; |
744 | } |
745 | else if (keyval == GDK_KEY_Left || |
746 | keyval == GDK_KEY_KP_Left) |
747 | { |
748 | return FALSE; |
749 | } |
750 | else if (keyval == GDK_KEY_Tab || |
751 | keyval == GDK_KEY_KP_Tab || |
752 | keyval == GDK_KEY_ISO_Left_Tab) |
753 | { |
754 | suggestion_entry_set_popup_visible (self, FALSE); |
755 | return FALSE; /* don't disrupt normal focus handling */ |
756 | } |
757 | |
758 | matches = g_list_model_get_n_items (list: G_LIST_MODEL (ptr: self->selection)); |
759 | selected = gtk_single_selection_get_selected (self: self->selection); |
760 | |
761 | if (keyval_is_cursor_move (keyval)) |
762 | { |
763 | if (keyval == GDK_KEY_Up || keyval == GDK_KEY_KP_Up) |
764 | { |
765 | if (selected == 0) |
766 | selected = GTK_INVALID_LIST_POSITION; |
767 | else if (selected == GTK_INVALID_LIST_POSITION) |
768 | selected = matches - 1; |
769 | else |
770 | selected--; |
771 | } |
772 | else if (keyval == GDK_KEY_Down || keyval == GDK_KEY_KP_Down) |
773 | { |
774 | if (selected == matches - 1) |
775 | selected = GTK_INVALID_LIST_POSITION; |
776 | else if (selected == GTK_INVALID_LIST_POSITION) |
777 | selected = 0; |
778 | else |
779 | selected++; |
780 | } |
781 | else if (keyval == GDK_KEY_Page_Up) |
782 | { |
783 | if (selected == 0) |
784 | selected = GTK_INVALID_LIST_POSITION; |
785 | else if (selected == GTK_INVALID_LIST_POSITION) |
786 | selected = matches - 1; |
787 | else if (selected >= PAGE_STEP) |
788 | selected -= PAGE_STEP; |
789 | else |
790 | selected = 0; |
791 | } |
792 | else if (keyval == GDK_KEY_Page_Down) |
793 | { |
794 | if (selected == matches - 1) |
795 | selected = GTK_INVALID_LIST_POSITION; |
796 | else if (selected == GTK_INVALID_LIST_POSITION) |
797 | selected = 0; |
798 | else if (selected + PAGE_STEP < matches) |
799 | selected += PAGE_STEP; |
800 | else |
801 | selected = matches - 1; |
802 | } |
803 | |
804 | gtk_single_selection_set_selected (self: self->selection, position: selected); |
805 | return TRUE; |
806 | } |
807 | |
808 | return FALSE; |
809 | } |
810 | |
811 | static void |
812 | suggestion_entry_focus_out (GtkEventController *controller, |
813 | SuggestionEntry *self) |
814 | { |
815 | if (!gtk_widget_get_mapped (widget: self->popup)) |
816 | return; |
817 | |
818 | suggestion_entry_set_popup_visible (self, FALSE); |
819 | accept_current_selection (self); |
820 | } |
821 | |
822 | static void |
823 | set_default_factory (SuggestionEntry *self) |
824 | { |
825 | GtkListItemFactory *factory; |
826 | |
827 | factory = gtk_signal_list_item_factory_new (); |
828 | |
829 | g_signal_connect (factory, "setup" , G_CALLBACK (setup_item), self); |
830 | g_signal_connect (factory, "bind" , G_CALLBACK (bind_item), self); |
831 | |
832 | suggestion_entry_set_factory (self, factory); |
833 | |
834 | g_object_unref (object: factory); |
835 | } |
836 | |
837 | static void default_match_func (MatchObject *object, |
838 | const char *search, |
839 | gpointer data); |
840 | |
841 | static void |
842 | suggestion_entry_init (SuggestionEntry *self) |
843 | { |
844 | GtkWidget *sw; |
845 | GtkEventController *controller; |
846 | |
847 | if (!g_object_get_data (G_OBJECT (gdk_display_get_default ()), key: "suggestion-style" )) |
848 | { |
849 | GtkCssProvider *provider; |
850 | |
851 | provider = gtk_css_provider_new (); |
852 | gtk_css_provider_load_from_resource (css_provider: provider, resource_path: "/dropdown/suggestionentry.css" ); |
853 | gtk_style_context_add_provider_for_display (display: gdk_display_get_default (), |
854 | GTK_STYLE_PROVIDER (provider), |
855 | priority: 800); |
856 | g_object_set_data (G_OBJECT (gdk_display_get_default ()), key: "suggestion-style" , data: provider); |
857 | g_object_unref (object: provider); |
858 | } |
859 | |
860 | self->use_filter = TRUE; |
861 | self->show_arrow = FALSE; |
862 | |
863 | self->match_func = default_match_func; |
864 | self->match_data = NULL; |
865 | self->destroy = NULL; |
866 | |
867 | gtk_widget_add_css_class (GTK_WIDGET (self), css_class: "suggestion" ); |
868 | |
869 | self->entry = gtk_text_new (); |
870 | gtk_widget_set_parent (widget: self->entry, GTK_WIDGET (self)); |
871 | gtk_widget_set_hexpand (widget: self->entry, TRUE); |
872 | gtk_editable_init_delegate (GTK_EDITABLE (self)); |
873 | self->changed_id = g_signal_connect (self->entry, "notify::text" , G_CALLBACK (text_changed), self); |
874 | |
875 | self->popup = gtk_popover_new (); |
876 | gtk_popover_set_position (GTK_POPOVER (self->popup), position: GTK_POS_BOTTOM); |
877 | gtk_popover_set_autohide (GTK_POPOVER (self->popup), FALSE); |
878 | gtk_popover_set_has_arrow (GTK_POPOVER (self->popup), FALSE); |
879 | gtk_widget_set_halign (widget: self->popup, align: GTK_ALIGN_START); |
880 | gtk_widget_add_css_class (widget: self->popup, css_class: "menu" ); |
881 | gtk_widget_set_parent (widget: self->popup, GTK_WIDGET (self)); |
882 | sw = gtk_scrolled_window_new (); |
883 | gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), |
884 | hscrollbar_policy: GTK_POLICY_NEVER, |
885 | vscrollbar_policy: GTK_POLICY_AUTOMATIC); |
886 | gtk_scrolled_window_set_max_content_height (GTK_SCROLLED_WINDOW (sw), height: 400); |
887 | gtk_scrolled_window_set_propagate_natural_height (GTK_SCROLLED_WINDOW (sw), TRUE); |
888 | |
889 | gtk_popover_set_child (GTK_POPOVER (self->popup), child: sw); |
890 | self->list = gtk_list_view_new (NULL, NULL); |
891 | gtk_list_view_set_single_click_activate (GTK_LIST_VIEW (self->list), TRUE); |
892 | g_signal_connect (self->list, "activate" , |
893 | G_CALLBACK (suggestion_entry_row_activated), self); |
894 | gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), child: self->list); |
895 | |
896 | set_default_factory (self); |
897 | |
898 | controller = gtk_event_controller_key_new (); |
899 | gtk_event_controller_set_name (controller, name: "gtk-suggestion-entry" ); |
900 | g_signal_connect (controller, "key-pressed" , |
901 | G_CALLBACK (suggestion_entry_key_pressed), self); |
902 | gtk_widget_add_controller (widget: self->entry, controller); |
903 | |
904 | controller = gtk_event_controller_focus_new (); |
905 | gtk_event_controller_set_name (controller, name: "gtk-suggestion-entry" ); |
906 | g_signal_connect (controller, "leave" , |
907 | G_CALLBACK (suggestion_entry_focus_out), self); |
908 | gtk_widget_add_controller (widget: self->entry, controller); |
909 | } |
910 | |
911 | GtkWidget * |
912 | suggestion_entry_new (void) |
913 | { |
914 | return g_object_new (SUGGESTION_TYPE_ENTRY, NULL); |
915 | } |
916 | |
917 | GListModel * |
918 | suggestion_entry_get_model (SuggestionEntry *self) |
919 | { |
920 | g_return_val_if_fail (SUGGESTION_IS_ENTRY (self), NULL); |
921 | |
922 | return self->model; |
923 | } |
924 | |
925 | static void |
926 | selection_changed (GtkSingleSelection *selection, |
927 | GParamSpec *pspec, |
928 | SuggestionEntry *self) |
929 | { |
930 | accept_current_selection (self); |
931 | } |
932 | |
933 | static gboolean |
934 | filter_func (gpointer item, gpointer user_data) |
935 | { |
936 | SuggestionEntry *self = SUGGESTION_ENTRY (user_data); |
937 | guint min_score; |
938 | |
939 | if (self->use_filter) |
940 | min_score = 1; |
941 | else |
942 | min_score = 0; |
943 | |
944 | return match_object_get_score (MATCH_OBJECT (item)) >= min_score; |
945 | } |
946 | |
947 | static void |
948 | default_match_func (MatchObject *object, |
949 | const char *search, |
950 | gpointer data) |
951 | { |
952 | char *tmp1, *tmp2, *tmp3, *tmp4; |
953 | |
954 | tmp1 = g_utf8_normalize (str: match_object_get_string (object), len: -1, mode: G_NORMALIZE_ALL); |
955 | tmp2 = g_utf8_casefold (str: tmp1, len: -1); |
956 | |
957 | tmp3 = g_utf8_normalize (str: search, len: -1, mode: G_NORMALIZE_ALL); |
958 | tmp4 = g_utf8_casefold (str: tmp3, len: -1); |
959 | |
960 | if (g_str_has_prefix (str: tmp2, prefix: tmp4)) |
961 | match_object_set_match (object, start: 0, end: g_utf8_strlen (p: search, max: -1), score: 1); |
962 | else |
963 | match_object_set_match (object, start: 0, end: 0, score: 0); |
964 | |
965 | g_free (mem: tmp1); |
966 | g_free (mem: tmp2); |
967 | g_free (mem: tmp3); |
968 | g_free (mem: tmp4); |
969 | } |
970 | |
971 | static gpointer |
972 | map_func (gpointer item, gpointer user_data) |
973 | { |
974 | SuggestionEntry *self = SUGGESTION_ENTRY (user_data); |
975 | GValue value = G_VALUE_INIT; |
976 | gpointer obj; |
977 | |
978 | if (self->expression) |
979 | { |
980 | gtk_expression_evaluate (self: self->expression, this_: item, value: &value); |
981 | } |
982 | else if (GTK_IS_STRING_OBJECT (ptr: item)) |
983 | { |
984 | g_object_get_property (G_OBJECT (item), property_name: "string" , value: &value); |
985 | } |
986 | else |
987 | { |
988 | g_critical ("Either SuggestionEntry:expression must be set " |
989 | "or SuggestionEntry:model must be a GtkStringList" ); |
990 | g_value_set_string (value: &value, v_string: "No value" ); |
991 | } |
992 | |
993 | obj = match_object_new (item, string: g_value_get_string (value: &value)); |
994 | |
995 | g_value_unset (value: &value); |
996 | |
997 | if (self->search && self->search[0]) |
998 | self->match_func (obj, self->search, self->match_data); |
999 | else |
1000 | match_object_set_match (object: obj, start: 0, end: 0, score: 1); |
1001 | |
1002 | return obj; |
1003 | } |
1004 | |
1005 | static void |
1006 | update_map (SuggestionEntry *self) |
1007 | { |
1008 | gtk_map_list_model_set_map_func (self: self->map_model, map_func, user_data: self, NULL); |
1009 | } |
1010 | |
1011 | void |
1012 | suggestion_entry_set_model (SuggestionEntry *self, |
1013 | GListModel *model) |
1014 | { |
1015 | g_return_if_fail (SUGGESTION_IS_ENTRY (self)); |
1016 | g_return_if_fail (model == NULL || G_IS_LIST_MODEL (model)); |
1017 | |
1018 | if (!g_set_object (&self->model, model)) |
1019 | return; |
1020 | |
1021 | if (self->selection) |
1022 | g_signal_handlers_disconnect_by_func (self->selection, selection_changed, self); |
1023 | |
1024 | if (model == NULL) |
1025 | { |
1026 | gtk_list_view_set_model (GTK_LIST_VIEW (self->list), NULL); |
1027 | g_clear_object (&self->selection); |
1028 | g_clear_object (&self->map_model); |
1029 | g_clear_object (&self->filter); |
1030 | } |
1031 | else |
1032 | { |
1033 | GtkMapListModel *map_model; |
1034 | GtkFilterListModel *filter_model; |
1035 | GtkFilter *filter; |
1036 | GtkSortListModel *sort_model; |
1037 | GtkSingleSelection *selection; |
1038 | GtkSorter *sorter; |
1039 | |
1040 | map_model = gtk_map_list_model_new (g_object_ref (model), NULL, NULL, NULL); |
1041 | g_set_object (&self->map_model, map_model); |
1042 | |
1043 | update_map (self); |
1044 | |
1045 | filter = GTK_FILTER (ptr: gtk_custom_filter_new (match_func: filter_func, user_data: self, NULL)); |
1046 | filter_model = gtk_filter_list_model_new (model: G_LIST_MODEL (ptr: self->map_model), filter); |
1047 | g_set_object (&self->filter, filter); |
1048 | |
1049 | sorter = GTK_SORTER (ptr: gtk_numeric_sorter_new (expression: gtk_property_expression_new (MATCH_TYPE_OBJECT, NULL, property_name: "score" ))); |
1050 | gtk_numeric_sorter_set_sort_order (self: GTK_NUMERIC_SORTER (ptr: sorter), sort_order: GTK_SORT_DESCENDING); |
1051 | sort_model = gtk_sort_list_model_new (model: G_LIST_MODEL (ptr: filter_model), sorter); |
1052 | |
1053 | update_map (self); |
1054 | |
1055 | selection = gtk_single_selection_new (model: G_LIST_MODEL (ptr: sort_model)); |
1056 | gtk_single_selection_set_autoselect (self: selection, FALSE); |
1057 | gtk_single_selection_set_can_unselect (self: selection, TRUE); |
1058 | gtk_single_selection_set_selected (self: selection, GTK_INVALID_LIST_POSITION); |
1059 | g_set_object (&self->selection, selection); |
1060 | gtk_list_view_set_model (GTK_LIST_VIEW (self->list), model: GTK_SELECTION_MODEL (ptr: selection)); |
1061 | g_object_unref (object: selection); |
1062 | } |
1063 | |
1064 | if (self->selection) |
1065 | { |
1066 | g_signal_connect (self->selection, "notify::selected" , |
1067 | G_CALLBACK (selection_changed), self); |
1068 | selection_changed (selection: self->selection, NULL, self); |
1069 | } |
1070 | |
1071 | g_object_notify_by_pspec (G_OBJECT (self), pspec: properties[PROP_MODEL]); |
1072 | } |
1073 | |
1074 | GtkListItemFactory * |
1075 | suggestion_entry_get_factory (SuggestionEntry *self) |
1076 | { |
1077 | g_return_val_if_fail (SUGGESTION_IS_ENTRY (self), NULL); |
1078 | |
1079 | return self->factory; |
1080 | } |
1081 | |
1082 | void |
1083 | suggestion_entry_set_factory (SuggestionEntry *self, |
1084 | GtkListItemFactory *factory) |
1085 | { |
1086 | g_return_if_fail (SUGGESTION_IS_ENTRY (self)); |
1087 | g_return_if_fail (factory == NULL || GTK_LIST_ITEM_FACTORY (factory)); |
1088 | |
1089 | if (!g_set_object (&self->factory, factory)) |
1090 | return; |
1091 | |
1092 | if (self->list) |
1093 | gtk_list_view_set_factory (GTK_LIST_VIEW (self->list), factory); |
1094 | |
1095 | g_object_notify_by_pspec (G_OBJECT (self), pspec: properties[PROP_FACTORY]); |
1096 | } |
1097 | |
1098 | void |
1099 | suggestion_entry_set_expression (SuggestionEntry *self, |
1100 | GtkExpression *expression) |
1101 | { |
1102 | g_return_if_fail (SUGGESTION_IS_ENTRY (self)); |
1103 | g_return_if_fail (expression == NULL || |
1104 | gtk_expression_get_value_type (expression) == G_TYPE_STRING); |
1105 | |
1106 | if (self->expression == expression) |
1107 | return; |
1108 | |
1109 | if (self->expression) |
1110 | gtk_expression_unref (self: self->expression); |
1111 | |
1112 | self->expression = expression; |
1113 | |
1114 | if (self->expression) |
1115 | gtk_expression_ref (self: self->expression); |
1116 | |
1117 | update_map (self); |
1118 | |
1119 | g_object_notify_by_pspec (G_OBJECT (self), pspec: properties[PROP_EXPRESSION]); |
1120 | } |
1121 | |
1122 | GtkExpression * |
1123 | suggestion_entry_get_expression (SuggestionEntry *self) |
1124 | { |
1125 | g_return_val_if_fail (SUGGESTION_IS_ENTRY (self), NULL); |
1126 | |
1127 | return self->expression; |
1128 | } |
1129 | |
1130 | void |
1131 | suggestion_entry_set_use_filter (SuggestionEntry *self, |
1132 | gboolean use_filter) |
1133 | { |
1134 | g_return_if_fail (SUGGESTION_IS_ENTRY (self)); |
1135 | |
1136 | if (self->use_filter == use_filter) |
1137 | return; |
1138 | |
1139 | self->use_filter = use_filter; |
1140 | |
1141 | gtk_filter_changed (self: self->filter, change: GTK_FILTER_CHANGE_DIFFERENT); |
1142 | |
1143 | g_object_notify_by_pspec (G_OBJECT (self), pspec: properties[PROP_USE_FILTER]); |
1144 | } |
1145 | |
1146 | gboolean |
1147 | suggestion_entry_get_use_filter (SuggestionEntry *self) |
1148 | { |
1149 | g_return_val_if_fail (SUGGESTION_IS_ENTRY (self), TRUE); |
1150 | |
1151 | return self->use_filter; |
1152 | } |
1153 | |
1154 | static void |
1155 | suggestion_entry_arrow_clicked (SuggestionEntry *self) |
1156 | { |
1157 | gboolean visible; |
1158 | |
1159 | visible = gtk_widget_get_visible (widget: self->popup); |
1160 | suggestion_entry_set_popup_visible (self, visible: !visible); |
1161 | } |
1162 | |
1163 | void |
1164 | suggestion_entry_set_show_arrow (SuggestionEntry *self, |
1165 | gboolean show_arrow) |
1166 | { |
1167 | g_return_if_fail (SUGGESTION_IS_ENTRY (self)); |
1168 | |
1169 | if (self->show_arrow == show_arrow) |
1170 | return; |
1171 | |
1172 | self->show_arrow = show_arrow; |
1173 | |
1174 | if (show_arrow) |
1175 | { |
1176 | GtkGesture *press; |
1177 | |
1178 | self->arrow = gtk_image_new_from_icon_name (icon_name: "pan-down-symbolic" ); |
1179 | gtk_widget_set_tooltip_text (widget: self->arrow, text: "Show suggestions" ); |
1180 | gtk_widget_set_parent (widget: self->arrow, GTK_WIDGET (self)); |
1181 | |
1182 | press = gtk_gesture_click_new (); |
1183 | g_signal_connect_swapped (press, "released" , |
1184 | G_CALLBACK (suggestion_entry_arrow_clicked), self); |
1185 | gtk_widget_add_controller (widget: self->arrow, GTK_EVENT_CONTROLLER (press)); |
1186 | |
1187 | } |
1188 | else |
1189 | { |
1190 | g_clear_pointer (&self->arrow, gtk_widget_unparent); |
1191 | } |
1192 | |
1193 | g_object_notify_by_pspec (G_OBJECT (self), pspec: properties[PROP_SHOW_ARROW]); |
1194 | } |
1195 | |
1196 | gboolean |
1197 | suggestion_entry_get_show_arrow (SuggestionEntry *self) |
1198 | { |
1199 | g_return_val_if_fail (SUGGESTION_IS_ENTRY (self), FALSE); |
1200 | |
1201 | return self->show_arrow; |
1202 | } |
1203 | |
1204 | void |
1205 | suggestion_entry_set_match_func (SuggestionEntry *self, |
1206 | SuggestionEntryMatchFunc match_func, |
1207 | gpointer user_data, |
1208 | GDestroyNotify destroy) |
1209 | { |
1210 | if (self->destroy) |
1211 | self->destroy (self->match_data); |
1212 | self->match_func = match_func; |
1213 | self->match_data = user_data; |
1214 | self->destroy = destroy; |
1215 | } |
1216 | |