// Copyright (c) 2009 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "chrome/browser/autocomplete/autocomplete_edit_view_gtk.h" #include #include #include "app/gfx/font.h" #include "app/l10n_util.h" #include "base/gfx/gtk_util.h" #include "base/logging.h" #include "base/string_util.h" #include "chrome/app/chrome_dll_resource.h" #include "chrome/browser/autocomplete/autocomplete_edit.h" #include "chrome/browser/autocomplete/autocomplete_popup_model.h" #include "chrome/browser/autocomplete/autocomplete_popup_view_gtk.h" #include "chrome/browser/command_updater.h" #include "chrome/browser/defaults.h" #include "chrome/browser/gtk/location_bar_view_gtk.h" #include "chrome/browser/tab_contents/tab_contents.h" #include "chrome/browser/toolbar_model.h" #include "chrome/common/gtk_util.h" #include "chrome/common/notification_service.h" #include "googleurl/src/gurl.h" #include "grit/generated_resources.h" #if !defined(TOOLKIT_VIEWS) #include "chrome/browser/gtk/gtk_theme_provider.h" #endif namespace { const char kTextBaseColor[] = "#808080"; const char kSecureSchemeColor[] = "#009614"; const char kInsecureSchemeColor[] = "#c80000"; size_t GetUTF8Offset(const std::wstring& wide_text, size_t wide_text_offset) { return WideToUTF8(wide_text.substr(0, wide_text_offset)).size(); } // Stores GTK+-specific state so it can be restored after switching tabs. struct ViewState { explicit ViewState(const AutocompleteEditViewGtk::CharRange& selection_range) : selection_range(selection_range) { } // Range of selected text. AutocompleteEditViewGtk::CharRange selection_range; }; struct AutocompleteEditState { AutocompleteEditState(const AutocompleteEditModel::State& model_state, const ViewState& view_state) : model_state(model_state), view_state(view_state) { } const AutocompleteEditModel::State model_state; const ViewState view_state; }; // Returns a lazily initialized property bag accessor for saving our state in a // TabContents. PropertyAccessor* GetStateAccessor() { static PropertyAccessor state; return &state; } } // namespace AutocompleteEditViewGtk::AutocompleteEditViewGtk( AutocompleteEditController* controller, ToolbarModel* toolbar_model, Profile* profile, CommandUpdater* command_updater, bool popup_window_mode, AutocompletePopupPositioner* popup_positioner) : text_view_(NULL), tag_table_(NULL), text_buffer_(NULL), faded_text_tag_(NULL), secure_scheme_tag_(NULL), insecure_scheme_tag_(NULL), model_(new AutocompleteEditModel(this, controller, profile)), popup_view_(AutocompletePopupView::CreatePopupView(gfx::Font(), this, model_.get(), profile, popup_positioner)), controller_(controller), toolbar_model_(toolbar_model), command_updater_(command_updater), popup_window_mode_(popup_window_mode), scheme_security_level_(ToolbarModel::NORMAL), selection_saved_(false), mark_set_handler_id_(0), button_1_pressed_(false), text_selected_during_click_(false), text_view_focused_before_button_press_(false) #if !defined(TOOLKIT_VIEWS) , theme_provider_(GtkThemeProvider::GetFrom(profile)) #endif { model_->set_popup_model(popup_view_->GetModel()); } AutocompleteEditViewGtk::~AutocompleteEditViewGtk() { NotificationService::current()->Notify( NotificationType::AUTOCOMPLETE_EDIT_DESTROYED, Source(this), NotificationService::NoDetails()); // Explicitly teardown members which have a reference to us. Just to be safe // we want them to be destroyed before destroying any other internal state. popup_view_.reset(); model_.reset(); // We own our widget and TextView related objects. if (alignment_.get()) { // Init() has been called. alignment_.Destroy(); g_object_unref(text_buffer_); g_object_unref(tag_table_); // The tags we created are owned by the tag_table, and should be destroyed // along with it. We don't hold our own reference to them. } } void AutocompleteEditViewGtk::Init() { // The height of the text view is going to change based on the font used. We // don't want to stretch the height, and we want it vertically centered. alignment_.Own(gtk_alignment_new(0., 0.5, 1.0, 0.0)); // The GtkTagTable and GtkTextBuffer are not initially unowned, so we have // our own reference when we create them, and we own them. Adding them to // the other objects adds a reference; it doesn't adopt them. tag_table_ = gtk_text_tag_table_new(); text_buffer_ = gtk_text_buffer_new(tag_table_); text_view_ = gtk_text_view_new_with_buffer(text_buffer_); if (popup_window_mode_) gtk_text_view_set_editable(GTK_TEXT_VIEW(text_view_), false); if (browser_defaults::kForceAutocompleteEditFontSize) { // Until we switch to vector graphics, force the font size. const double kFontSize = 13.4; // 13.4px == 10pt @ 96dpi // On Windows, popups have a font size 5/6 the size of non-popups. const double kPopupWindowFontSize = kFontSize * 5.0 / 6.0; gtk_util::ForceFontSizePixels(text_view_, popup_window_mode_ ? kPopupWindowFontSize : kFontSize); } // The text view was floating. It will now be owned by the alignment. gtk_container_add(GTK_CONTAINER(alignment_.get()), text_view_); // TODO(deanm): This will probably have to be handled differently with the // tab to search business. Maybe we should just eat the tab characters. // We want the tab key to move focus, not insert a tab. gtk_text_view_set_accepts_tab(GTK_TEXT_VIEW(text_view_), false); faded_text_tag_ = gtk_text_buffer_create_tag(text_buffer_, NULL, "foreground", kTextBaseColor, NULL); secure_scheme_tag_ = gtk_text_buffer_create_tag(text_buffer_, NULL, "foreground", kSecureSchemeColor, NULL); insecure_scheme_tag_ = gtk_text_buffer_create_tag(text_buffer_, NULL, "foreground", kInsecureSchemeColor, NULL); normal_text_tag_ = gtk_text_buffer_create_tag(text_buffer_, NULL, "foreground", "#000000", NULL); // NOTE: This code used to connect to "changed", however this was fired too // often and during bad times (our own buffer changes?). It works out much // better to listen to end-user-action, which should be fired whenever the // user makes some sort of change to the buffer. g_signal_connect(text_buffer_, "begin-user-action", G_CALLBACK(&HandleBeginUserActionThunk), this); g_signal_connect(text_buffer_, "end-user-action", G_CALLBACK(&HandleEndUserActionThunk), this); // We connect to key press and release for special handling of a few keys. g_signal_connect(text_view_, "key-press-event", G_CALLBACK(&HandleKeyPressThunk), this); g_signal_connect(text_view_, "key-release-event", G_CALLBACK(&HandleKeyReleaseThunk), this); g_signal_connect(text_view_, "button-press-event", G_CALLBACK(&HandleViewButtonPressThunk), this); g_signal_connect(text_view_, "button-release-event", G_CALLBACK(&HandleViewButtonReleaseThunk), this); g_signal_connect(text_view_, "focus-in-event", G_CALLBACK(&HandleViewFocusInThunk), this); g_signal_connect(text_view_, "focus-out-event", G_CALLBACK(&HandleViewFocusOutThunk), this); // NOTE: The GtkTextView documentation asks you not to connect to this // signal, but it is very convenient and clean for catching up/down. g_signal_connect(text_view_, "move-cursor", G_CALLBACK(&HandleViewMoveCursorThunk), this); // Override the size request. We want to keep the original height request // from the widget, since that's font dependent. We want to ignore the width // so we don't force a minimum width based on the text length. g_signal_connect(text_view_, "size-request", G_CALLBACK(&HandleViewSizeRequestThunk), this); g_signal_connect(text_view_, "populate-popup", G_CALLBACK(&HandlePopulatePopupThunk), this); mark_set_handler_id_ = g_signal_connect( text_buffer_, "mark-set", G_CALLBACK(&HandleMarkSetThunk), this); g_signal_connect(text_view_, "drag-data-received", G_CALLBACK(&HandleDragDataReceivedThunk), this); #if !defined(TOOLKIT_VIEWS) registrar_.Add(this, NotificationType::BROWSER_THEME_CHANGED, NotificationService::AllSources()); theme_provider_->InitThemesFor(this); #else // Manually invoke SetBaseColor() because TOOLKIT_VIEWS doesn't observe // themes. SetBaseColor(); #endif } void AutocompleteEditViewGtk::SetFocus() { gtk_widget_grab_focus(text_view_); } void AutocompleteEditViewGtk::SaveStateToTab(TabContents* tab) { DCHECK(tab); GetStateAccessor()->SetProperty( tab->property_bag(), AutocompleteEditState(model_->GetStateForTabSwitch(), ViewState(GetSelection()))); // If any text has been selected, register it as the PRIMARY selection so it // can still be pasted via middle-click after the text view is cleared. if (!selected_text_.empty() && !selection_saved_) { SavePrimarySelection(selected_text_); selection_saved_ = true; } } void AutocompleteEditViewGtk::Update(const TabContents* contents) { // NOTE: We're getting the URL text here from the ToolbarModel. bool visibly_changed_permanent_text = model_->UpdatePermanentText(toolbar_model_->GetText()); ToolbarModel::SecurityLevel security_level = toolbar_model_->GetSchemeSecurityLevel(); bool changed_security_level = (security_level != scheme_security_level_); scheme_security_level_ = security_level; // TODO(deanm): This doesn't exactly match Windows. There there is a member // background_color_. I think we can get away with just the level though. if (changed_security_level) { SetBaseColor(); } if (contents) { selected_text_.clear(); selection_saved_ = false; RevertAll(); const AutocompleteEditState* state = GetStateAccessor()->GetProperty(contents->property_bag()); if (state) { model_->RestoreState(state->model_state); // Move the marks for the cursor and the other end of the selection to // the previously-saved offsets. GtkTextIter selection_iter, insert_iter; ItersFromCharRange( state->view_state.selection_range, &selection_iter, &insert_iter); // TODO(derat): Restore the selection range instead of just the cursor // ("insert") position. This in itself is trivial to do using // gtk_text_buffer_select_range(), but then it also becomes necessary to // invalidate hidden tabs' saved ranges when another tab or another app // takes the selection, lest we incorrectly regrab a stale selection when // a hidden tab is later shown. gtk_text_buffer_place_cursor(text_buffer_, &insert_iter); } } else if (visibly_changed_permanent_text) { RevertAll(); // TODO(deanm): There should be code to restore select all here. } else if (changed_security_level) { EmphasizeURLComponents(); } } void AutocompleteEditViewGtk::OpenURL(const GURL& url, WindowOpenDisposition disposition, PageTransition::Type transition, const GURL& alternate_nav_url, size_t selected_line, const std::wstring& keyword) { if (!url.is_valid()) return; model_->SendOpenNotification(selected_line, keyword); if (disposition != NEW_BACKGROUND_TAB) RevertAll(); // Revert the box to its unedited state. controller_->OnAutocompleteAccept(url, disposition, transition, alternate_nav_url); } std::wstring AutocompleteEditViewGtk::GetText() const { GtkTextIter start, end; gtk_text_buffer_get_bounds(text_buffer_, &start, &end); gchar* utf8 = gtk_text_buffer_get_text(text_buffer_, &start, &end, false); std::wstring out(UTF8ToWide(utf8)); g_free(utf8); return out; } void AutocompleteEditViewGtk::SetUserText(const std::wstring& text, const std::wstring& display_text, bool update_popup) { model_->SetUserText(text); // TODO(deanm): something about selection / focus change here. SetWindowTextAndCaretPos(display_text, display_text.length()); if (update_popup) UpdatePopup(); TextChanged(); } void AutocompleteEditViewGtk::SetWindowTextAndCaretPos(const std::wstring& text, size_t caret_pos) { std::string utf8 = WideToUTF8(text); gtk_text_buffer_set_text(text_buffer_, utf8.data(), utf8.length()); EmphasizeURLComponents(); GtkTextIter cur_pos; gtk_text_buffer_get_iter_at_offset(text_buffer_, &cur_pos, caret_pos); gtk_text_buffer_place_cursor(text_buffer_, &cur_pos); } void AutocompleteEditViewGtk::SetForcedQuery() { const std::wstring current_text(GetText()); if (current_text.empty() || (current_text[0] != '?')) { SetUserText(L"?"); } else { GtkTextIter start, end; gtk_text_buffer_get_bounds(text_buffer_, &start, &end); gtk_text_buffer_get_iter_at_offset(text_buffer_, &start, 1); StartUpdatingHighlightedText(); gtk_text_buffer_select_range(text_buffer_, &start, &end); FinishUpdatingHighlightedText(); } } bool AutocompleteEditViewGtk::IsSelectAll() { NOTIMPLEMENTED(); return false; } void AutocompleteEditViewGtk::SelectAll(bool reversed) { // SelectAll() is invoked as a side effect of other actions (e.g. switching // tabs or hitting Escape) in autocomplete_edit.cc, so we don't update the // PRIMARY selection here. // TODO(derat): But this is also called by LocationBarView::FocusLocation() -- // should the X selection be updated when the user hits Ctrl-L? SelectAllInternal(reversed, false); } void AutocompleteEditViewGtk::RevertAll() { ClosePopup(); model_->Revert(); TextChanged(); } void AutocompleteEditViewGtk::UpdatePopup() { model_->SetInputInProgress(true); if (!model_->has_focus()) return; // Don't inline autocomplete when the caret/selection isn't at the end of // the text. CharRange sel = GetSelection(); model_->StartAutocomplete(sel.cp_max < GetTextLength()); } void AutocompleteEditViewGtk::ClosePopup() { popup_view_->GetModel()->StopAutocomplete(); } void AutocompleteEditViewGtk::OnTemporaryTextMaybeChanged( const std::wstring& display_text, bool save_original_selection) { // TODO(deanm): Ignoring save_original_selection here, etc. SetWindowTextAndCaretPos(display_text, display_text.length()); TextChanged(); } bool AutocompleteEditViewGtk::OnInlineAutocompleteTextMaybeChanged( const std::wstring& display_text, size_t user_text_length) { if (display_text == GetText()) return false; StartUpdatingHighlightedText(); SetWindowTextAndCaretPos(display_text, 0); // Select the part of the text that was inline autocompleted. GtkTextIter bound, insert; gtk_text_buffer_get_bounds(text_buffer_, &insert, &bound); gtk_text_buffer_get_iter_at_offset(text_buffer_, &insert, user_text_length); gtk_text_buffer_select_range(text_buffer_, &insert, &bound); FinishUpdatingHighlightedText(); TextChanged(); return true; } void AutocompleteEditViewGtk::OnRevertTemporaryText() { NOTIMPLEMENTED(); } void AutocompleteEditViewGtk::OnBeforePossibleChange() { // Record our state. text_before_change_ = GetText(); sel_before_change_ = GetSelection(); } // TODO(deanm): This is mostly stolen from Windows, and will need some work. bool AutocompleteEditViewGtk::OnAfterPossibleChange() { CharRange new_sel = GetSelection(); int length = GetTextLength(); bool selection_differs = (new_sel.cp_min != sel_before_change_.cp_min) || (new_sel.cp_max != sel_before_change_.cp_max); bool at_end_of_edit = (new_sel.cp_min == length && new_sel.cp_max == length); // See if the text or selection have changed since OnBeforePossibleChange(). std::wstring new_text(GetText()); bool text_differs = (new_text != text_before_change_); // When the user has deleted text, we don't allow inline autocomplete. Make // sure to not flag cases like selecting part of the text and then pasting // (or typing) the prefix of that selection. (We detect these by making // sure the caret, which should be after any insertion, hasn't moved // forward of the old selection start.) bool just_deleted_text = (text_before_change_.length() > new_text.length()) && (new_sel.cp_min <= std::min(sel_before_change_.cp_min, sel_before_change_.cp_max)); bool something_changed = model_->OnAfterPossibleChange(new_text, selection_differs, text_differs, just_deleted_text, at_end_of_edit); if (something_changed && text_differs) TextChanged(); return something_changed; } gfx::NativeView AutocompleteEditViewGtk::GetNativeView() const { return alignment_.get(); } void AutocompleteEditViewGtk::Observe(NotificationType type, const NotificationSource& source, const NotificationDetails& details) { DCHECK(type == NotificationType::BROWSER_THEME_CHANGED); SetBaseColor(); } void AutocompleteEditViewGtk::SetBaseColor() { #if defined(TOOLKIT_VIEWS) bool use_gtk = false; #else bool use_gtk = theme_provider_->UseGtkTheme(); #endif // If we're on a secure connection, ignore what the theme wants us to do // and use a yellow background. if (use_gtk && scheme_security_level_ != ToolbarModel::SECURE) { gtk_widget_modify_base(text_view_, GTK_STATE_NORMAL, NULL); // Grab the text colors out of the style and set our tags to use them. GtkStyle* style = gtk_rc_get_style(text_view_); // style may be unrealized at this point, so calculate the halfway point // between text[] and base[] manually instead of just using text_aa[]. GdkColor average_color; average_color.pixel = 0; average_color.red = (style->text[GTK_STATE_NORMAL].red + style->base[GTK_STATE_NORMAL].red) / 2; average_color.green = (style->text[GTK_STATE_NORMAL].green + style->base[GTK_STATE_NORMAL].green) / 2; average_color.blue = (style->text[GTK_STATE_NORMAL].blue + style->base[GTK_STATE_NORMAL].blue) / 2; g_object_set(G_OBJECT(faded_text_tag_), "foreground-gdk", &average_color, NULL); g_object_set(G_OBJECT(normal_text_tag_), "foreground-gdk", &style->text[GTK_STATE_NORMAL], NULL); } else { gtk_widget_modify_base(text_view_, GTK_STATE_NORMAL, &LocationBarViewGtk::kBackgroundColorByLevel[scheme_security_level_]); g_object_set(G_OBJECT(faded_text_tag_), "foreground", kTextBaseColor, NULL); g_object_set(G_OBJECT(normal_text_tag_), "foreground", "#000000", NULL); } } void AutocompleteEditViewGtk::HandleBeginUserAction() { OnBeforePossibleChange(); } void AutocompleteEditViewGtk::HandleEndUserAction() { // Eat any newline / paragraphs that might have come in, for example in a // copy and paste. We want to make sure our widget stays single line. for (;;) { GtkTextIter cur; gtk_text_buffer_get_start_iter(text_buffer_, &cur); // If there is a line ending, this should put us right before the newline // or carriage return / newline (or Unicode) sequence. If not, we're done. if (gtk_text_iter_forward_to_line_end(&cur) == FALSE) break; // Stepping to the next cursor position should put us on the other side of // the newline / paragraph / etc sequence, and then delete this range. GtkTextIter next_line = cur; gtk_text_iter_forward_cursor_position(&next_line); gtk_text_buffer_delete(text_buffer_, &cur, &next_line); // We've invalidated our iterators, gotta start again. } OnAfterPossibleChange(); } gboolean AutocompleteEditViewGtk::HandleKeyPress(GtkWidget* widget, GdkEventKey* event) { // This is very similar to the special casing of the return key in the // GtkTextView key_press default handler. TODO(deanm): We do however omit // some IME related code, this might become a problem if an IME wants to // handle enter. We can get at the im_context and do it ourselves if needed. if (event->keyval == GDK_Return || event->keyval == GDK_ISO_Enter || event->keyval == GDK_KP_Enter || event->keyval == GDK_Tab || (event->keyval == GDK_Escape && event->state == 0)) { // Handle IME. This is basically taken from GtkTextView and reworked a bit. GtkTextIter iter; GtkTextView* text_view = GTK_TEXT_VIEW(text_view_); GtkTextMark* insert = gtk_text_buffer_get_insert(text_buffer_); gtk_text_buffer_get_iter_at_mark(text_buffer_, &iter, insert); gboolean can_insert = gtk_text_iter_can_insert(&iter, text_view->editable); if (gtk_im_context_filter_keypress(text_view->im_context, event)) { // The IME handled it, do the follow up IME handling. if (!can_insert) { gtk_im_context_reset(text_view->im_context); } else { text_view->need_im_reset = TRUE; } } else { // Ok, not handled by the IME, we can handle it. if (event->keyval == GDK_Tab) { if (model_->is_keyword_hint() && !model_->keyword().empty()) { model_->AcceptKeyword(); } else { return FALSE; // Let GtkTextView handle the tab focus change. } } else if (event->keyval == GDK_Escape) { model_->OnEscapeKeyPressed(); } else { bool alt_held = (event->state & GDK_MOD1_MASK); model_->AcceptInput(alt_held ? NEW_FOREGROUND_TAB : CURRENT_TAB, false); } } return TRUE; // Don't propagate into GtkTextView. } return FALSE; // Propagate into GtkTextView. } gboolean AutocompleteEditViewGtk::HandleKeyRelease(GtkWidget* widget, GdkEventKey* event) { // Even though we handled the press ourselves, let GtkTextView handle the // release. It shouldn't do anything particularly interesting, but it will // handle the IME work for us. return FALSE; // Propagate into GtkTextView. } gboolean AutocompleteEditViewGtk::HandleViewButtonPress(GdkEventButton* event) { if (event->button == 1) { // When the first button is pressed, track some stuff that will help us // determine whether we should select all of the text when the button is // released. button_1_pressed_ = true; text_view_focused_before_button_press_ = GTK_WIDGET_HAS_FOCUS(text_view_); text_selected_during_click_ = false; } return FALSE; } gboolean AutocompleteEditViewGtk::HandleViewButtonRelease( GdkEventButton* event) { if (event->button != 1) return FALSE; button_1_pressed_ = false; // Call the GtkTextView default handler, ignoring the fact that it will // likely have told us to stop propagating. We want to handle selection. GtkWidgetClass* klass = GTK_WIDGET_GET_CLASS(text_view_); klass->button_release_event(text_view_, event); if (!text_view_focused_before_button_press_ && !text_selected_during_click_) { // If this was a focusing click and the user didn't drag to highlight any // text, select the full input and update the PRIMARY selection. SelectAllInternal(false, true); // So we told the buffer where the cursor should be, but make sure to tell // the view so it can scroll it to be visible if needed. // NOTE: This function doesn't seem to like a count of 0, looking at the // code it will skip an important loop. Use -1 to achieve the same. GtkTextIter start, end; gtk_text_buffer_get_bounds(text_buffer_, &start, &end); gtk_text_view_move_visually(GTK_TEXT_VIEW(text_view_), &start, -1); } return TRUE; // Don't continue, we called the default handler already. } gboolean AutocompleteEditViewGtk::HandleViewFocusIn() { model_->OnSetFocus(false); // TODO(deanm): Some keyword hit business, etc here. return FALSE; // Continue propagation. } gboolean AutocompleteEditViewGtk::HandleViewFocusOut() { // Close the popup. ClosePopup(); // Tell the model to reset itself. model_->OnKillFocus(); return FALSE; // Pass the event on to the GtkTextView. } void AutocompleteEditViewGtk::HandleViewMoveCursor( GtkMovementStep step, gint count, gboolean extendion_selection) { // Handle up/down/pgup/pgdn movement on our own. int move_amount = count; if (step == GTK_MOVEMENT_PAGES) move_amount = model_->result().size() * ((count < 0) ? -1 : 1); else if (step != GTK_MOVEMENT_DISPLAY_LINES) return; // Propagate into GtkTextView model_->OnUpOrDownKeyPressed(move_amount); // move-cursor doesn't use a signal accumulator on the return value (it // just ignores then), so we have to stop the propagation. g_signal_stop_emission_by_name(text_view_, "move-cursor"); } void AutocompleteEditViewGtk::HandleViewSizeRequest(GtkRequisition* req) { // Don't force a minimum width, but use the font-relative height. This is a // run-first handler, so the default handler was already called. req->width = 1; } void AutocompleteEditViewGtk::HandlePopulatePopup(GtkMenu* menu) { GtkWidget* separator = gtk_separator_menu_item_new(); gtk_menu_shell_append(GTK_MENU_SHELL(menu), separator); gtk_widget_show(separator); // Search Engine menu item. GtkWidget* search_engine_menuitem = gtk_menu_item_new_with_mnemonic( gtk_util::ConvertAcceleratorsFromWindowsStyle( l10n_util::GetStringUTF8(IDS_EDIT_SEARCH_ENGINES)).c_str()); gtk_menu_shell_append(GTK_MENU_SHELL(menu), search_engine_menuitem); g_signal_connect(search_engine_menuitem, "activate", G_CALLBACK(HandleEditSearchEnginesThunk), this); gtk_widget_show(search_engine_menuitem); // Paste and Go menu item. GtkWidget* paste_go_menuitem = gtk_menu_item_new_with_mnemonic( gtk_util::ConvertAcceleratorsFromWindowsStyle( l10n_util::GetStringUTF8(model_->is_paste_and_search() ? IDS_PASTE_AND_SEARCH : IDS_PASTE_AND_GO)).c_str()); gtk_menu_shell_append(GTK_MENU_SHELL(menu), paste_go_menuitem); g_signal_connect(paste_go_menuitem, "activate", G_CALLBACK(HandlePasteAndGoThunk), this); gtk_widget_show(paste_go_menuitem); } void AutocompleteEditViewGtk::HandleEditSearchEngines() { command_updater_->ExecuteCommand(IDC_EDIT_SEARCH_ENGINES); } void AutocompleteEditViewGtk::HandlePasteAndGo() { GtkClipboard* x_clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD); gtk_clipboard_request_text(x_clipboard, HandlePasteAndGoReceivedTextThunk, this); } void AutocompleteEditViewGtk::HandlePasteAndGoReceivedText( const std::wstring& text) { if (model_->CanPasteAndGo(text)) model_->PasteAndGo(); } void AutocompleteEditViewGtk::HandleMarkSet(GtkTextBuffer* buffer, GtkTextIter* location, GtkTextMark* mark) { if (!text_buffer_ || buffer != text_buffer_) return; if (mark != gtk_text_buffer_get_insert(text_buffer_) && mark != gtk_text_buffer_get_selection_bound(text_buffer_)) { return; } // Is no text selected in the GtkTextView? bool no_text_selected = false; // Get the currently-selected text, if there is any. GtkTextIter start, end; if (!gtk_text_buffer_get_selection_bounds(text_buffer_, &start, &end)) { no_text_selected = true; } else { gchar* text = gtk_text_iter_get_text(&start, &end); size_t text_len = strlen(text); if (!text_len) { no_text_selected = true; } else { selected_text_ = std::string(text, text_len); selection_saved_ = false; } g_free(text); } // If the user just selected some text with the mouse (or at least while the // mouse button was down), make sure that we won't blow their selection away // later by selecting all of the text when the button is released. if (button_1_pressed_ && !no_text_selected) { text_selected_during_click_ = true; } // If we have some previously-selected text but it's no longer highlighted // and we haven't saved it as the selection yet, we save it now. if (!selected_text_.empty() && no_text_selected && !selection_saved_) { SavePrimarySelection(selected_text_); selection_saved_ = true; } } // Just use the default behavior for DnD, except if the drop can be a PasteAndGo // then override. void AutocompleteEditViewGtk::HandleDragDataReceived( GdkDragContext* context, gint x, gint y, GtkSelectionData* selection_data, guint target_type, guint time) { // Don't try to PasteAndGo on drops originating from this omnibox. However, do // allow default behavior for such drags. if (context->source_window == text_view_->window) return; guchar* text = gtk_selection_data_get_text(selection_data); if (!text) return; std::wstring possible_url = UTF8ToWide(reinterpret_cast(text)); g_free(text); if (model_->CanPasteAndGo(CollapseWhitespace(possible_url, true))) { model_->PasteAndGo(); gtk_drag_finish(context, TRUE, TRUE, time); g_signal_stop_emission_by_name(text_view_, "drag-data-received"); } } void AutocompleteEditViewGtk::SelectAllInternal(bool reversed, bool update_primary_selection) { GtkTextIter start, end; if (reversed) { gtk_text_buffer_get_bounds(text_buffer_, &end, &start); } else { gtk_text_buffer_get_bounds(text_buffer_, &start, &end); } if (!update_primary_selection) StartUpdatingHighlightedText(); gtk_text_buffer_select_range(text_buffer_, &start, &end); if (!update_primary_selection) FinishUpdatingHighlightedText(); } void AutocompleteEditViewGtk::StartUpdatingHighlightedText() { if (GTK_WIDGET_REALIZED(text_view_)) { GtkClipboard* clipboard = gtk_widget_get_clipboard(text_view_, GDK_SELECTION_PRIMARY); DCHECK(clipboard); if (clipboard) gtk_text_buffer_remove_selection_clipboard(text_buffer_, clipboard); } g_signal_handler_block(text_buffer_, mark_set_handler_id_); } void AutocompleteEditViewGtk::FinishUpdatingHighlightedText() { if (GTK_WIDGET_REALIZED(text_view_)) { GtkClipboard* clipboard = gtk_widget_get_clipboard(text_view_, GDK_SELECTION_PRIMARY); DCHECK(clipboard); if (clipboard) gtk_text_buffer_add_selection_clipboard(text_buffer_, clipboard); } g_signal_handler_unblock(text_buffer_, mark_set_handler_id_); } AutocompleteEditViewGtk::CharRange AutocompleteEditViewGtk::GetSelection() { // You can not just use get_selection_bounds here, since the order will be // ascending, and you don't know where the user's start and end of the // selection was (if the selection was forwards or backwards). Get the // actual marks so that we can preserve the selection direction. GtkTextIter start, insert; GtkTextMark* mark; mark = gtk_text_buffer_get_selection_bound(text_buffer_); gtk_text_buffer_get_iter_at_mark(text_buffer_, &start, mark); mark = gtk_text_buffer_get_insert(text_buffer_); gtk_text_buffer_get_iter_at_mark(text_buffer_, &insert, mark); return CharRange(gtk_text_iter_get_offset(&start), gtk_text_iter_get_offset(&insert)); } void AutocompleteEditViewGtk::ItersFromCharRange(const CharRange& range, GtkTextIter* iter_min, GtkTextIter* iter_max) { gtk_text_buffer_get_iter_at_offset(text_buffer_, iter_min, range.cp_min); gtk_text_buffer_get_iter_at_offset(text_buffer_, iter_max, range.cp_max); } int AutocompleteEditViewGtk::GetTextLength() { GtkTextIter start, end; gtk_text_buffer_get_bounds(text_buffer_, &start, &end); return gtk_text_iter_get_offset(&end); } void AutocompleteEditViewGtk::EmphasizeURLComponents() { // See whether the contents are a URL with a non-empty host portion, which we // should emphasize. To check for a URL, rather than using the type returned // by Parse(), ask the model, which will check the desired page transition for // this input. This can tell us whether an UNKNOWN input string is going to // be treated as a search or a navigation, and is the same method the Paste // And Go system uses. url_parse::Parsed parts; std::wstring text = GetText(); AutocompleteInput::Parse(text, model_->GetDesiredTLD(), &parts, NULL); bool emphasize = model_->CurrentTextIsURL() && (parts.host.len > 0); // Set the baseline emphasis. GtkTextIter start, end; gtk_text_buffer_get_bounds(text_buffer_, &start, &end); gtk_text_buffer_remove_all_tags(text_buffer_, &start, &end); if (emphasize) { gtk_text_buffer_apply_tag(text_buffer_, faded_text_tag_, &start, &end); // We've found a host name, give it more emphasis. gtk_text_buffer_get_iter_at_line_index(text_buffer_, &start, 0, GetUTF8Offset(text, parts.host.begin)); gtk_text_buffer_get_iter_at_line_index(text_buffer_, &end, 0, GetUTF8Offset(text, parts.host.end())); gtk_text_buffer_apply_tag(text_buffer_, normal_text_tag_, &start, &end); } else { gtk_text_buffer_apply_tag(text_buffer_, normal_text_tag_, &start, &end); } // Emphasize the scheme for security UI display purposes (if necessary). if (!model_->user_input_in_progress() && parts.scheme.is_nonempty() && (scheme_security_level_ != ToolbarModel::NORMAL)) { gtk_text_buffer_get_iter_at_line_index(text_buffer_, &start, 0, GetUTF8Offset(text, parts.scheme.begin)); gtk_text_buffer_get_iter_at_line_index(text_buffer_, &end, 0, GetUTF8Offset(text, parts.scheme.end())); if (scheme_security_level_ == ToolbarModel::SECURE) { gtk_text_buffer_apply_tag(text_buffer_, secure_scheme_tag_, &start, &end); } else { gtk_text_buffer_apply_tag(text_buffer_, insecure_scheme_tag_, &start, &end); } } } void AutocompleteEditViewGtk::TextChanged() { EmphasizeURLComponents(); controller_->OnChanged(); } void AutocompleteEditViewGtk::SavePrimarySelection( const std::string& selected_text) { GtkClipboard* clipboard = gtk_widget_get_clipboard(text_view_, GDK_SELECTION_PRIMARY); DCHECK(clipboard); if (!clipboard) return; gtk_clipboard_set_text( clipboard, selected_text.data(), selected_text.size()); }