| 1 | /* |
| 2 | * Copyright (C) 2019 Igalia S.L. |
| 3 | * Copyright (C) 2017 Red Hat, Inc. |
| 4 | * |
| 5 | * This library is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU Library General Public |
| 7 | * License as published by the Free Software Foundation; either |
| 8 | * version 2 of the License, or (at your option) any later version. |
| 9 | * |
| 10 | * This library 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 GNU |
| 13 | * Library General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU Library General Public License |
| 16 | * along with this library; see the file COPYING.LIB. If not, write to |
| 17 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 18 | * Boston, MA 02110-1301, USA. |
| 19 | */ |
| 20 | |
| 21 | // GtkEmojiChooser is private in GTK 3, so this is based in the GTK code, just adapted to |
| 22 | // WebKit coding style, using some internal types from WTF to simplify the implementation |
| 23 | // and not using GtkBuilder for the UI. |
| 24 | |
| 25 | #include "config.h" |
| 26 | #include "WebKitEmojiChooser.h" |
| 27 | |
| 28 | #if GTK_CHECK_VERSION(3, 24, 0) |
| 29 | |
| 30 | #include <glib/gi18n-lib.h> |
| 31 | #include <wtf/HashSet.h> |
| 32 | #include <wtf/Vector.h> |
| 33 | #include <wtf/glib/GRefPtr.h> |
| 34 | #include <wtf/glib/GUniquePtr.h> |
| 35 | #include <wtf/glib/WTFGType.h> |
| 36 | #include <wtf/text/CString.h> |
| 37 | |
| 38 | enum { |
| 39 | EMOJI_PICKED, |
| 40 | |
| 41 | LAST_SIGNAL |
| 42 | }; |
| 43 | |
| 44 | struct EmojiSection { |
| 45 | GtkWidget* heading { nullptr }; |
| 46 | GtkWidget* box { nullptr }; |
| 47 | GtkWidget* button { nullptr }; |
| 48 | bool isEmpty { false }; |
| 49 | }; |
| 50 | |
| 51 | using SectionList = Vector<EmojiSection, 9>; |
| 52 | |
| 53 | struct _WebKitEmojiChooserPrivate { |
| 54 | GtkWidget* stack; |
| 55 | GtkWidget* swindow; |
| 56 | GtkWidget* searchEntry; |
| 57 | SectionList sections; |
| 58 | GRefPtr<GSettings> settings; |
| 59 | HashSet<GRefPtr<GtkGesture>> gestures; |
| 60 | int emojiMaxWidth; |
| 61 | }; |
| 62 | |
| 63 | static guint signals[LAST_SIGNAL] = { 0, }; |
| 64 | |
| 65 | WEBKIT_DEFINE_TYPE(WebKitEmojiChooser, webkit_emoji_chooser, GTK_TYPE_POPOVER) |
| 66 | |
| 67 | static void emojiPopupMenu(GtkWidget*, WebKitEmojiChooser*); |
| 68 | |
| 69 | static const unsigned boxSpace = 6; |
| 70 | |
| 71 | static void emojiHovered(GtkWidget* widget, GdkEvent* event) |
| 72 | { |
| 73 | if (event->type == GDK_ENTER_NOTIFY) |
| 74 | gtk_widget_set_state_flags(widget, GTK_STATE_FLAG_PRELIGHT, FALSE); |
| 75 | else |
| 76 | gtk_widget_unset_state_flags(widget, GTK_STATE_FLAG_PRELIGHT); |
| 77 | } |
| 78 | |
| 79 | static GtkWidget* webkitEmojiChooserAddEmoji(WebKitEmojiChooser* chooser, GtkFlowBox* parent, GVariant* item, bool prepend = false, gunichar modifier = 0) |
| 80 | { |
| 81 | char text[64]; |
| 82 | char* textPtr = text; |
| 83 | GRefPtr<GVariant> codes = adoptGRef(g_variant_get_child_value(item, 0)); |
| 84 | for (unsigned i = 0; i < g_variant_n_children(codes.get()); ++i) { |
| 85 | gunichar code; |
| 86 | g_variant_get_child(codes.get(), i, "u" , &code); |
| 87 | if (!code) |
| 88 | code = modifier; |
| 89 | if (code) |
| 90 | textPtr += g_unichar_to_utf8(code, textPtr); |
| 91 | } |
| 92 | // U+FE0F is the Emoji variation selector |
| 93 | textPtr += g_unichar_to_utf8(0xFE0F, textPtr); |
| 94 | textPtr[0] = '\0'; |
| 95 | |
| 96 | GtkWidget* label = gtk_label_new(text); |
| 97 | PangoAttrList* attributes = pango_attr_list_new(); |
| 98 | pango_attr_list_insert(attributes, pango_attr_scale_new(PANGO_SCALE_X_LARGE)); |
| 99 | gtk_label_set_attributes(GTK_LABEL(label), attributes); |
| 100 | pango_attr_list_unref(attributes); |
| 101 | |
| 102 | PangoLayout* layout = gtk_label_get_layout(GTK_LABEL(label)); |
| 103 | PangoRectangle rect; |
| 104 | pango_layout_get_extents(layout, &rect, nullptr); |
| 105 | // Check for fallback rendering that generates too wide items. |
| 106 | if (pango_layout_get_unknown_glyphs_count(layout) || rect.width >= 1.5 * chooser->priv->emojiMaxWidth) { |
| 107 | gtk_widget_destroy(label); |
| 108 | return nullptr; |
| 109 | } |
| 110 | |
| 111 | GtkWidget* child = gtk_flow_box_child_new(); |
| 112 | gtk_style_context_add_class(gtk_widget_get_style_context(child), "emoji" ); |
| 113 | g_object_set_data_full(G_OBJECT(child), "emoji-data" , g_variant_ref(item), reinterpret_cast<GDestroyNotify>(g_variant_unref)); |
| 114 | if (modifier) |
| 115 | g_object_set_data(G_OBJECT(child), "modifier" , GUINT_TO_POINTER(modifier)); |
| 116 | |
| 117 | GtkWidget* eventBox = gtk_event_box_new(); |
| 118 | gtk_widget_add_events(eventBox, GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK); |
| 119 | g_signal_connect(eventBox, "enter-notify-event" , G_CALLBACK(emojiHovered), nullptr); |
| 120 | g_signal_connect(eventBox, "leave-notify-event" , G_CALLBACK(emojiHovered), nullptr); |
| 121 | gtk_container_add(GTK_CONTAINER(eventBox), label); |
| 122 | gtk_widget_show(label); |
| 123 | |
| 124 | gtk_container_add(GTK_CONTAINER(child), eventBox); |
| 125 | gtk_widget_show(eventBox); |
| 126 | |
| 127 | gtk_flow_box_insert(parent, child, prepend ? 0 : -1); |
| 128 | gtk_widget_show(child); |
| 129 | |
| 130 | return child; |
| 131 | } |
| 132 | |
| 133 | static void webkitEmojiChooserAddRecentItem(WebKitEmojiChooser* chooser, GVariant* item, gunichar modifier) |
| 134 | { |
| 135 | GRefPtr<GVariant> protectItem(item); |
| 136 | GVariantBuilder builder; |
| 137 | g_variant_builder_init(&builder, G_VARIANT_TYPE("a((auss)u)" )); |
| 138 | g_variant_builder_add(&builder, "(@(auss)u)" , item, modifier); |
| 139 | |
| 140 | auto& section = chooser->priv->sections.first(); |
| 141 | |
| 142 | static const unsigned maxRecentItems = 7 * 3; |
| 143 | |
| 144 | GUniquePtr<GList> children(gtk_container_get_children(GTK_CONTAINER(section.box))); |
| 145 | unsigned i = 1; |
| 146 | for (auto* l = children.get(); l; l = g_list_next(l), ++i) { |
| 147 | auto* item2 = static_cast<GVariant*>(g_object_get_data(G_OBJECT(l->data), "emoji-data" )); |
| 148 | auto modifier2 = static_cast<gunichar>(GPOINTER_TO_UINT(g_object_get_data(G_OBJECT(l->data), "modifier" ))); |
| 149 | if (modifier == modifier2 && g_variant_equal(item, item2)) { |
| 150 | gtk_widget_destroy(GTK_WIDGET(l->data)); |
| 151 | --i; |
| 152 | continue; |
| 153 | } |
| 154 | |
| 155 | if (i >= maxRecentItems) { |
| 156 | gtk_widget_destroy(GTK_WIDGET(l->data)); |
| 157 | continue; |
| 158 | } |
| 159 | |
| 160 | g_variant_builder_add(&builder, "(@(auss)u)" , item2, modifier2); |
| 161 | } |
| 162 | |
| 163 | auto* child = webkitEmojiChooserAddEmoji(chooser, GTK_FLOW_BOX(section.box), item, true, modifier); |
| 164 | if (child) |
| 165 | g_signal_connect(child, "popup-menu" , G_CALLBACK(emojiPopupMenu), chooser); |
| 166 | |
| 167 | gtk_widget_show(section.box); |
| 168 | gtk_widget_set_sensitive(section.button, TRUE); |
| 169 | |
| 170 | g_settings_set_value(chooser->priv->settings.get(), "recent-emoji" , g_variant_builder_end(&builder)); |
| 171 | } |
| 172 | |
| 173 | static void emojiActivated(GtkFlowBox* box, GtkFlowBoxChild* child, WebKitEmojiChooser* chooser) |
| 174 | { |
| 175 | GtkWidget* label = gtk_bin_get_child(GTK_BIN(gtk_bin_get_child(GTK_BIN(child)))); |
| 176 | GUniquePtr<char> text(g_strdup(gtk_label_get_label(GTK_LABEL(label)))); |
| 177 | |
| 178 | auto* item = static_cast<GVariant*>(g_object_get_data(G_OBJECT(child), "emoji-data" )); |
| 179 | auto modifier = static_cast<gunichar>(GPOINTER_TO_UINT(g_object_get_data(G_OBJECT(child), "modifier" ))); |
| 180 | webkitEmojiChooserAddRecentItem(chooser, item, modifier); |
| 181 | g_signal_emit(chooser, signals[EMOJI_PICKED], 0, text.get()); |
| 182 | |
| 183 | gtk_popover_popdown(GTK_POPOVER(chooser)); |
| 184 | } |
| 185 | |
| 186 | static bool emojiDataHasVariations(GVariant* emojiData) |
| 187 | { |
| 188 | GRefPtr<GVariant> codes = adoptGRef(g_variant_get_child_value(emojiData, 0)); |
| 189 | for (size_t i = 0; i < g_variant_n_children(codes.get()); ++i) { |
| 190 | gunichar code; |
| 191 | g_variant_get_child(codes.get(), i, "u" , &code); |
| 192 | if (!code) |
| 193 | return true; |
| 194 | } |
| 195 | return false; |
| 196 | } |
| 197 | |
| 198 | static void webkitEmojiChooserShowVariations(WebKitEmojiChooser* chooser, GtkWidget* child) |
| 199 | { |
| 200 | if (!child) |
| 201 | return; |
| 202 | |
| 203 | auto* emojiData = static_cast<GVariant*>(g_object_get_data(G_OBJECT(child), "emoji-data" )); |
| 204 | if (!emojiData) |
| 205 | return; |
| 206 | |
| 207 | if (!emojiDataHasVariations(emojiData)) |
| 208 | return; |
| 209 | |
| 210 | GtkWidget* popover = gtk_popover_new(child); |
| 211 | GtkWidget* view = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0); |
| 212 | gtk_style_context_add_class(gtk_widget_get_style_context(view), "view" ); |
| 213 | GtkWidget* box = gtk_flow_box_new(); |
| 214 | g_signal_connect(box, "child-activated" , G_CALLBACK(emojiActivated), chooser); |
| 215 | gtk_flow_box_set_homogeneous(GTK_FLOW_BOX(box), TRUE); |
| 216 | gtk_flow_box_set_min_children_per_line(GTK_FLOW_BOX(box), 6); |
| 217 | gtk_flow_box_set_max_children_per_line(GTK_FLOW_BOX(box), 6); |
| 218 | gtk_flow_box_set_activate_on_single_click(GTK_FLOW_BOX(box), TRUE); |
| 219 | gtk_flow_box_set_selection_mode(GTK_FLOW_BOX(box), GTK_SELECTION_NONE); |
| 220 | gtk_container_add(GTK_CONTAINER(view), box); |
| 221 | gtk_widget_show(box); |
| 222 | gtk_container_add(GTK_CONTAINER(popover), view); |
| 223 | gtk_widget_show(view); |
| 224 | |
| 225 | webkitEmojiChooserAddEmoji(chooser, GTK_FLOW_BOX(box), emojiData); |
| 226 | for (gunichar modifier = 0x1F3FB; modifier <= 0x1F3FF; ++modifier) |
| 227 | webkitEmojiChooserAddEmoji(chooser, GTK_FLOW_BOX(box), emojiData, false, modifier); |
| 228 | |
| 229 | gtk_popover_popup(GTK_POPOVER(popover)); |
| 230 | } |
| 231 | |
| 232 | static void emojiLongPressed(GtkGesture* gesture, double x, double y, WebKitEmojiChooser* chooser) |
| 233 | { |
| 234 | auto* box = GTK_FLOW_BOX(gtk_event_controller_get_widget(GTK_EVENT_CONTROLLER(gesture))); |
| 235 | webkitEmojiChooserShowVariations(chooser, GTK_WIDGET(gtk_flow_box_get_child_at_pos(box, x, y))); |
| 236 | } |
| 237 | |
| 238 | static void emojiPressed(GtkGesture* gesture, int, double x, double y, WebKitEmojiChooser* chooser) |
| 239 | { |
| 240 | emojiLongPressed(gesture, x, y, chooser); |
| 241 | } |
| 242 | |
| 243 | static void emojiPopupMenu(GtkWidget* child, WebKitEmojiChooser* chooser) |
| 244 | { |
| 245 | webkitEmojiChooserShowVariations(chooser, child); |
| 246 | } |
| 247 | |
| 248 | static void verticalAdjustmentChanged(GtkAdjustment* adjustment, WebKitEmojiChooser* chooser) |
| 249 | { |
| 250 | double value = gtk_adjustment_get_value(adjustment); |
| 251 | EmojiSection* sectionToSelect = nullptr; |
| 252 | for (auto& section : chooser->priv->sections) { |
| 253 | GtkAllocation allocation; |
| 254 | if (section.heading) |
| 255 | gtk_widget_get_allocation(section.heading, &allocation); |
| 256 | else |
| 257 | gtk_widget_get_allocation(section.box, &allocation); |
| 258 | |
| 259 | if (value < allocation.y - boxSpace) |
| 260 | break; |
| 261 | |
| 262 | sectionToSelect = §ion; |
| 263 | } |
| 264 | |
| 265 | if (!sectionToSelect) |
| 266 | sectionToSelect = &chooser->priv->sections[0]; |
| 267 | |
| 268 | for (auto& section : chooser->priv->sections) { |
| 269 | if (§ion == sectionToSelect) |
| 270 | gtk_widget_set_state_flags(section.button, GTK_STATE_FLAG_CHECKED, FALSE); |
| 271 | else |
| 272 | gtk_widget_unset_state_flags(section.button, GTK_STATE_FLAG_CHECKED); |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | static GtkWidget* webkitEmojiChooserSetupSectionBox(WebKitEmojiChooser* chooser, GtkBox* parent, const char* title, GtkAdjustment* adjustment, gboolean canHaveVariations = FALSE) |
| 277 | { |
| 278 | EmojiSection section; |
| 279 | if (title) { |
| 280 | GtkWidget* label = gtk_label_new(title); |
| 281 | section.heading = label; |
| 282 | gtk_label_set_xalign(GTK_LABEL(label), 0); |
| 283 | gtk_box_pack_start(parent, label, FALSE, FALSE, 0); |
| 284 | gtk_widget_show(label); |
| 285 | } |
| 286 | |
| 287 | GtkWidget* box = gtk_flow_box_new(); |
| 288 | section.box = box; |
| 289 | g_signal_connect(box, "child-activated" , G_CALLBACK(emojiActivated), chooser); |
| 290 | gtk_flow_box_set_homogeneous(GTK_FLOW_BOX(box), TRUE); |
| 291 | gtk_flow_box_set_selection_mode(GTK_FLOW_BOX(box), GTK_SELECTION_NONE); |
| 292 | gtk_container_set_focus_vadjustment(GTK_CONTAINER(box), adjustment); |
| 293 | gtk_box_pack_start(parent, box, FALSE, FALSE, 0); |
| 294 | gtk_widget_show(box); |
| 295 | |
| 296 | if (canHaveVariations) { |
| 297 | GRefPtr<GtkGesture> gesture = adoptGRef(gtk_gesture_long_press_new(box)); |
| 298 | g_signal_connect(gesture.get(), "pressed" , G_CALLBACK(emojiLongPressed), chooser); |
| 299 | chooser->priv->gestures.add(WTFMove(gesture)); |
| 300 | GRefPtr<GtkGesture> multiGesture = adoptGRef(gtk_gesture_multi_press_new(box)); |
| 301 | gtk_gesture_single_set_button(GTK_GESTURE_SINGLE(multiGesture.get()), GDK_BUTTON_SECONDARY); |
| 302 | g_signal_connect(multiGesture.get(), "pressed" , G_CALLBACK(emojiPressed), chooser); |
| 303 | chooser->priv->gestures.add(WTFMove(multiGesture)); |
| 304 | } |
| 305 | |
| 306 | chooser->priv->sections.append(WTFMove(section)); |
| 307 | return box; |
| 308 | } |
| 309 | |
| 310 | static void scrollToSection(GtkButton* button, gpointer data) |
| 311 | { |
| 312 | auto* chooser = WEBKIT_EMOJI_CHOOSER(gtk_widget_get_ancestor(GTK_WIDGET(button), WEBKIT_TYPE_EMOJI_CHOOSER)); |
| 313 | auto& section = chooser->priv->sections[GPOINTER_TO_UINT(data)]; |
| 314 | GtkAdjustment* adjustment = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(chooser->priv->swindow)); |
| 315 | if (section.heading) { |
| 316 | GtkAllocation allocation = { 0, 0, 0, 0 }; |
| 317 | gtk_widget_get_allocation(section.heading, &allocation); |
| 318 | gtk_adjustment_set_value(adjustment, allocation.y - boxSpace); |
| 319 | } else |
| 320 | gtk_adjustment_set_value(adjustment, 0); |
| 321 | } |
| 322 | |
| 323 | static void webkitEmojiChooserSetupSectionButton(WebKitEmojiChooser* chooser, GtkBox* parent, const char* iconName, const char* tooltip) |
| 324 | { |
| 325 | GtkWidget* button = gtk_button_new_from_icon_name(iconName, GTK_ICON_SIZE_BUTTON); |
| 326 | chooser->priv->sections.last().button = button; |
| 327 | gtk_style_context_add_class(gtk_widget_get_style_context(button), "emoji-section" ); |
| 328 | gtk_widget_set_tooltip_text(button, tooltip); |
| 329 | g_signal_connect(button, "clicked" , G_CALLBACK(scrollToSection), GUINT_TO_POINTER(chooser->priv->sections.size() - 1)); |
| 330 | gtk_box_pack_start(parent, button, FALSE, FALSE, 0); |
| 331 | gtk_widget_show(button); |
| 332 | } |
| 333 | |
| 334 | static void webkitEmojiChooserSetupRecent(WebKitEmojiChooser* chooser, GtkBox* emojiBox, GtkBox* buttonBox, GtkAdjustment* adjustment) |
| 335 | { |
| 336 | GtkWidget* flowBox = webkitEmojiChooserSetupSectionBox(chooser, emojiBox, nullptr, adjustment, true); |
| 337 | webkitEmojiChooserSetupSectionButton(chooser, buttonBox, "emoji-recent-symbolic" , _("Recent" )); |
| 338 | |
| 339 | bool isEmpty = true; |
| 340 | GRefPtr<GVariant> variant = adoptGRef(g_settings_get_value(chooser->priv->settings.get(), "recent-emoji" )); |
| 341 | GVariantIter iter; |
| 342 | g_variant_iter_init(&iter, variant.get()); |
| 343 | while (GRefPtr<GVariant> item = adoptGRef(g_variant_iter_next_value(&iter))) { |
| 344 | GRefPtr<GVariant> emojiData = adoptGRef(g_variant_get_child_value(item.get(), 0)); |
| 345 | gunichar modifier; |
| 346 | g_variant_get_child(item.get(), 1, "u" , &modifier); |
| 347 | if (auto* child = webkitEmojiChooserAddEmoji(chooser, GTK_FLOW_BOX(flowBox), emojiData.get(), true, modifier)) |
| 348 | g_signal_connect(child, "popup-menu" , G_CALLBACK(emojiPopupMenu), chooser); |
| 349 | isEmpty = false; |
| 350 | } |
| 351 | |
| 352 | if (isEmpty) { |
| 353 | gtk_widget_hide(flowBox); |
| 354 | gtk_widget_set_sensitive(chooser->priv->sections.first().button, FALSE); |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | static void webkitEmojiChooserEnsureEmptyResult(WebKitEmojiChooser* chooser) |
| 359 | { |
| 360 | if (gtk_stack_get_child_by_name(GTK_STACK(chooser->priv->stack), "empty" )) |
| 361 | return; |
| 362 | |
| 363 | GtkWidget* grid = gtk_grid_new(); |
| 364 | gtk_grid_set_row_spacing(GTK_GRID(grid), 12); |
| 365 | gtk_widget_set_halign(grid, GTK_ALIGN_CENTER); |
| 366 | gtk_widget_set_valign(grid, GTK_ALIGN_CENTER); |
| 367 | gtk_style_context_add_class(gtk_widget_get_style_context(grid), "dim-label" ); |
| 368 | |
| 369 | GtkWidget* image = gtk_image_new_from_icon_name("edit-find-symbolic" , GTK_ICON_SIZE_DIALOG); |
| 370 | gtk_image_set_pixel_size(GTK_IMAGE(image), 72); |
| 371 | gtk_style_context_add_class(gtk_widget_get_style_context(image), "dim-label" ); |
| 372 | gtk_grid_attach(GTK_GRID(grid), image, 0, 0, 1, 1); |
| 373 | gtk_widget_show(image); |
| 374 | |
| 375 | GtkWidget* label = gtk_label_new(_("No Results Found" )); |
| 376 | PangoAttrList* attributes = pango_attr_list_new(); |
| 377 | pango_attr_list_insert(attributes, pango_attr_scale_new(1.44)); |
| 378 | pango_attr_list_insert(attributes, pango_attr_weight_new(PANGO_WEIGHT_BOLD)); |
| 379 | gtk_label_set_attributes(GTK_LABEL(label), attributes); |
| 380 | pango_attr_list_unref(attributes); |
| 381 | gtk_grid_attach(GTK_GRID(grid), label, 0, 1, 1, 1); |
| 382 | gtk_widget_show(label); |
| 383 | |
| 384 | label = gtk_label_new(_("Try a different search" )); |
| 385 | gtk_style_context_add_class(gtk_widget_get_style_context(label), "dim-label" ); |
| 386 | gtk_grid_attach(GTK_GRID(grid), label, 0, 2, 1, 1); |
| 387 | gtk_widget_show(label); |
| 388 | |
| 389 | gtk_stack_add_named(GTK_STACK(chooser->priv->stack), grid, "empty" ); |
| 390 | gtk_widget_show(grid); |
| 391 | } |
| 392 | |
| 393 | static void webkitEmojiChooserSearchChanged(WebKitEmojiChooser* chooser) |
| 394 | { |
| 395 | for (auto& section : chooser->priv->sections) { |
| 396 | section.isEmpty = true; |
| 397 | gtk_flow_box_invalidate_filter(GTK_FLOW_BOX(section.box)); |
| 398 | } |
| 399 | |
| 400 | bool resultsFound = false; |
| 401 | for (auto& section : chooser->priv->sections) { |
| 402 | if (section.heading) { |
| 403 | gtk_widget_set_visible(section.heading, !section.isEmpty); |
| 404 | gtk_widget_set_visible(section.box, !section.isEmpty); |
| 405 | } |
| 406 | resultsFound = resultsFound || !section.isEmpty; |
| 407 | } |
| 408 | |
| 409 | if (!resultsFound) { |
| 410 | webkitEmojiChooserEnsureEmptyResult(chooser); |
| 411 | gtk_stack_set_visible_child_name(GTK_STACK(chooser->priv->stack), "empty" ); |
| 412 | } else |
| 413 | gtk_stack_set_visible_child_name(GTK_STACK(chooser->priv->stack), "list" ); |
| 414 | } |
| 415 | |
| 416 | static void webkitEmojiChooserSetupFilters(WebKitEmojiChooser* chooser) |
| 417 | { |
| 418 | for (size_t i = 0; i < chooser->priv->sections.size(); ++i) { |
| 419 | gtk_flow_box_set_filter_func(GTK_FLOW_BOX(chooser->priv->sections[i].box), [](GtkFlowBoxChild* child, gpointer userData) -> gboolean { |
| 420 | auto* chooser = WEBKIT_EMOJI_CHOOSER(gtk_widget_get_ancestor(GTK_WIDGET(child), WEBKIT_TYPE_EMOJI_CHOOSER)); |
| 421 | auto& section = chooser->priv->sections[GPOINTER_TO_UINT(userData)]; |
| 422 | const char* text = gtk_entry_get_text(GTK_ENTRY(chooser->priv->searchEntry)); |
| 423 | if (!text || !*text) { |
| 424 | section.isEmpty = false; |
| 425 | return TRUE; |
| 426 | } |
| 427 | |
| 428 | auto* emojiData = static_cast<GVariant*>(g_object_get_data(G_OBJECT(child), "emoji-data" )); |
| 429 | if (!emojiData) { |
| 430 | section.isEmpty = false; |
| 431 | return TRUE; |
| 432 | } |
| 433 | |
| 434 | const char* name; |
| 435 | g_variant_get_child(emojiData, 1, "&s" , &name); |
| 436 | if (g_str_match_string(text, name, TRUE)) { |
| 437 | section.isEmpty = false; |
| 438 | return TRUE; |
| 439 | } |
| 440 | |
| 441 | return FALSE; |
| 442 | }, GUINT_TO_POINTER(i), nullptr); |
| 443 | } |
| 444 | } |
| 445 | |
| 446 | static void webkitEmojiChooserInitializeEmojiMaxWidth(WebKitEmojiChooser* chooser) |
| 447 | { |
| 448 | // Get a reasonable maximum width for an emoji. We do this to skip overly wide fallback |
| 449 | // rendering for certain emojis the font does not contain and therefore end up being |
| 450 | // rendered as multiple glyphs. |
| 451 | GRefPtr<PangoLayout> layout = adoptGRef(gtk_widget_create_pango_layout(GTK_WIDGET(chooser), "🙂" )); |
| 452 | auto* attributes = pango_attr_list_new(); |
| 453 | pango_attr_list_insert(attributes, pango_attr_scale_new(PANGO_SCALE_X_LARGE)); |
| 454 | pango_layout_set_attributes(layout.get(), attributes); |
| 455 | pango_attr_list_unref(attributes); |
| 456 | |
| 457 | PangoRectangle rect; |
| 458 | pango_layout_get_extents(layout.get(), &rect, nullptr); |
| 459 | chooser->priv->emojiMaxWidth = rect.width; |
| 460 | } |
| 461 | |
| 462 | static void webkitEmojiChooserConstructed(GObject* object) |
| 463 | { |
| 464 | WebKitEmojiChooser* chooser = WEBKIT_EMOJI_CHOOSER(object); |
| 465 | chooser->priv->settings = adoptGRef(g_settings_new("org.gtk.Settings.EmojiChooser" )); |
| 466 | |
| 467 | G_OBJECT_CLASS(webkit_emoji_chooser_parent_class)->constructed(object); |
| 468 | |
| 469 | webkitEmojiChooserInitializeEmojiMaxWidth(chooser); |
| 470 | |
| 471 | gtk_style_context_add_class(gtk_widget_get_style_context(GTK_WIDGET(object)), "emoji-picker" ); |
| 472 | |
| 473 | GtkWidget* mainBox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0); |
| 474 | GtkWidget* searchEntry = gtk_search_entry_new(); |
| 475 | chooser->priv->searchEntry = searchEntry; |
| 476 | g_signal_connect_swapped(searchEntry, "search-changed" , G_CALLBACK(webkitEmojiChooserSearchChanged), chooser); |
| 477 | gtk_entry_set_input_hints(GTK_ENTRY(searchEntry), GTK_INPUT_HINT_NO_EMOJI); |
| 478 | gtk_box_pack_start(GTK_BOX(mainBox), searchEntry, TRUE, FALSE, 0); |
| 479 | gtk_widget_show(searchEntry); |
| 480 | |
| 481 | GtkWidget* stack = gtk_stack_new(); |
| 482 | chooser->priv->stack = stack; |
| 483 | GtkWidget* box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0); |
| 484 | GtkWidget* swindow = gtk_scrolled_window_new(nullptr, nullptr); |
| 485 | chooser->priv->swindow = swindow; |
| 486 | gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(swindow), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC); |
| 487 | gtk_scrolled_window_set_min_content_height(GTK_SCROLLED_WINDOW(swindow), 250); |
| 488 | gtk_style_context_add_class(gtk_widget_get_style_context(swindow), "view" ); |
| 489 | gtk_box_pack_start(GTK_BOX(box), swindow, TRUE, TRUE, 0); |
| 490 | gtk_widget_show(swindow); |
| 491 | |
| 492 | GtkWidget* emojiBox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 6); |
| 493 | g_object_set(emojiBox, "margin" , 6, nullptr); |
| 494 | gtk_container_add(GTK_CONTAINER(swindow), emojiBox); |
| 495 | gtk_widget_show(emojiBox); |
| 496 | |
| 497 | GtkWidget* buttonBox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0); |
| 498 | gtk_box_pack_start(GTK_BOX(box), buttonBox, TRUE, FALSE, 0); |
| 499 | gtk_widget_show(buttonBox); |
| 500 | |
| 501 | GtkAdjustment* vAdjustment = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(swindow)); |
| 502 | g_signal_connect(vAdjustment, "value-changed" , G_CALLBACK(verticalAdjustmentChanged), chooser); |
| 503 | |
| 504 | webkitEmojiChooserSetupRecent(chooser, GTK_BOX(emojiBox), GTK_BOX(buttonBox), vAdjustment); |
| 505 | |
| 506 | GRefPtr<GBytes> bytes = adoptGRef(g_resources_lookup_data("/org/gtk/libgtk/emoji/emoji.data" , G_RESOURCE_LOOKUP_FLAGS_NONE, nullptr)); |
| 507 | GRefPtr<GVariant> data = g_variant_new_from_bytes(G_VARIANT_TYPE("a(auss)" ), bytes.get(), TRUE); |
| 508 | GVariantIter iter; |
| 509 | g_variant_iter_init(&iter, data.get()); |
| 510 | GtkWidget* flowBox = nullptr; |
| 511 | while (GRefPtr<GVariant> item = adoptGRef(g_variant_iter_next_value(&iter))) { |
| 512 | const char* name; |
| 513 | g_variant_get_child(item.get(), 1, "&s" , &name); |
| 514 | |
| 515 | if (!g_strcmp0(name, "grinning face" )) { |
| 516 | const char* title = _("Smileys & People" ); |
| 517 | flowBox = webkitEmojiChooserSetupSectionBox(chooser, GTK_BOX(emojiBox), title, vAdjustment, true); |
| 518 | webkitEmojiChooserSetupSectionButton(chooser, GTK_BOX(buttonBox), "emoji-people-symbolic" , title); |
| 519 | } else if (!g_strcmp0(name, "selfie" )) { |
| 520 | const char* title = _("Body & Clothing" ); |
| 521 | flowBox = webkitEmojiChooserSetupSectionBox(chooser, GTK_BOX(emojiBox), title, vAdjustment, true); |
| 522 | webkitEmojiChooserSetupSectionButton(chooser, GTK_BOX(buttonBox), "emoji-body-symbolic" , title); |
| 523 | } else if (!g_strcmp0(name, "monkey" )) { |
| 524 | const char* title = _("Animals & Nature" ); |
| 525 | flowBox = webkitEmojiChooserSetupSectionBox(chooser, GTK_BOX(emojiBox), title, vAdjustment); |
| 526 | webkitEmojiChooserSetupSectionButton(chooser, GTK_BOX(buttonBox), "emoji-nature-symbolic" , title); |
| 527 | } else if (!g_strcmp0(name, "grapes" )) { |
| 528 | const char* title = _("Food & Drink" ); |
| 529 | flowBox = webkitEmojiChooserSetupSectionBox(chooser, GTK_BOX(emojiBox), title, vAdjustment); |
| 530 | webkitEmojiChooserSetupSectionButton(chooser, GTK_BOX(buttonBox), "emoji-food-symbolic" , title); |
| 531 | } else if (!g_strcmp0(name, "globe showing Europe-Africa" )) { |
| 532 | const char* title = _("Travel & Places" ); |
| 533 | flowBox = webkitEmojiChooserSetupSectionBox(chooser, GTK_BOX(emojiBox), title, vAdjustment); |
| 534 | webkitEmojiChooserSetupSectionButton(chooser, GTK_BOX(buttonBox), "emoji-travel-symbolic" , title); |
| 535 | } else if (!g_strcmp0(name, "jack-o-lantern" )) { |
| 536 | const char* title = _("Activities" ); |
| 537 | flowBox = webkitEmojiChooserSetupSectionBox(chooser, GTK_BOX(emojiBox), title, vAdjustment); |
| 538 | webkitEmojiChooserSetupSectionButton(chooser, GTK_BOX(buttonBox), "emoji-activities-symbolic" , title); |
| 539 | } else if (!g_strcmp0(name, "muted speaker" )) { |
| 540 | const char* title = _("Objects" ); |
| 541 | flowBox = webkitEmojiChooserSetupSectionBox(chooser, GTK_BOX(emojiBox), title, vAdjustment); |
| 542 | webkitEmojiChooserSetupSectionButton(chooser, GTK_BOX(buttonBox), "emoji-objects-symbolic" , title); |
| 543 | } else if (!g_strcmp0(name, "ATM sign" )) { |
| 544 | const char* title = _("Symbols" ); |
| 545 | flowBox = webkitEmojiChooserSetupSectionBox(chooser, GTK_BOX(emojiBox), title, vAdjustment); |
| 546 | webkitEmojiChooserSetupSectionButton(chooser, GTK_BOX(buttonBox), "emoji-symbols-symbolic" , title); |
| 547 | } else if (!g_strcmp0(name, "chequered flag" )) { |
| 548 | const char* title = _("Flags" ); |
| 549 | flowBox = webkitEmojiChooserSetupSectionBox(chooser, GTK_BOX(emojiBox), title, vAdjustment); |
| 550 | webkitEmojiChooserSetupSectionButton(chooser, GTK_BOX(buttonBox), "emoji-flags-symbolic" , title); |
| 551 | } |
| 552 | auto* child = webkitEmojiChooserAddEmoji(chooser, GTK_FLOW_BOX(flowBox), item.get()); |
| 553 | if (child) |
| 554 | g_signal_connect(child, "popup-menu" , G_CALLBACK(emojiPopupMenu), chooser); |
| 555 | } |
| 556 | |
| 557 | gtk_widget_set_state_flags(chooser->priv->sections.first().button, GTK_STATE_FLAG_CHECKED, FALSE); |
| 558 | |
| 559 | gtk_stack_add_named(GTK_STACK(stack), box, "list" ); |
| 560 | gtk_widget_show(box); |
| 561 | |
| 562 | gtk_box_pack_start(GTK_BOX(mainBox), stack, TRUE, TRUE, 0); |
| 563 | gtk_widget_show(stack); |
| 564 | |
| 565 | gtk_container_add(GTK_CONTAINER(object), mainBox); |
| 566 | gtk_widget_show(mainBox); |
| 567 | |
| 568 | webkitEmojiChooserSetupFilters(chooser); |
| 569 | } |
| 570 | |
| 571 | static void webkitEmojiChooserShow(GtkWidget* widget) |
| 572 | { |
| 573 | GTK_WIDGET_CLASS(webkit_emoji_chooser_parent_class)->show(widget); |
| 574 | |
| 575 | WebKitEmojiChooser* chooser = WEBKIT_EMOJI_CHOOSER(widget); |
| 576 | auto* adjustment = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(chooser->priv->swindow)); |
| 577 | gtk_adjustment_set_value(adjustment, 0); |
| 578 | |
| 579 | gtk_entry_set_text(GTK_ENTRY(chooser->priv->searchEntry), "" ); |
| 580 | } |
| 581 | |
| 582 | static void webkit_emoji_chooser_class_init(WebKitEmojiChooserClass* klass) |
| 583 | { |
| 584 | GObjectClass* objectClass = G_OBJECT_CLASS(klass); |
| 585 | objectClass->constructed = webkitEmojiChooserConstructed; |
| 586 | |
| 587 | GtkWidgetClass* widgetClass = GTK_WIDGET_CLASS(klass); |
| 588 | widgetClass->show = webkitEmojiChooserShow; |
| 589 | |
| 590 | signals[EMOJI_PICKED] = g_signal_new( |
| 591 | "emoji-picked" , |
| 592 | G_OBJECT_CLASS_TYPE(objectClass), |
| 593 | G_SIGNAL_RUN_LAST, |
| 594 | 0, |
| 595 | nullptr, nullptr, |
| 596 | nullptr, |
| 597 | G_TYPE_NONE, 1, |
| 598 | G_TYPE_STRING | G_SIGNAL_TYPE_STATIC_SCOPE); |
| 599 | } |
| 600 | |
| 601 | GtkWidget* webkitEmojiChooserNew() |
| 602 | { |
| 603 | WebKitEmojiChooser* authDialog = WEBKIT_EMOJI_CHOOSER(g_object_new(WEBKIT_TYPE_EMOJI_CHOOSER, nullptr)); |
| 604 | return GTK_WIDGET(authDialog); |
| 605 | } |
| 606 | |
| 607 | #endif // GTK_CHECK_VERSION(3, 24, 0) |
| 608 | |