1 files changed, 302 insertions, 0 deletions
diff --git a/src/ui/widget/font-selector-toolbar.cpp b/src/ui/widget/font-selector-toolbar.cpp
new file mode 100644
index 0000000..68c5e79
--- /dev/null
+++ b/src/ui/widget/font-selector-toolbar.cpp
@@ -0,0 +1,302 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Author:
+ *   Tavmjong Bah <tavmjong@free.fr>
+ *
+ * Copyright (C) 2018 Tavmong Bah
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <glibmm/i18n.h>
+#include <glibmm/regex.h>
+#include <gdkmm/display.h>
+
+#include "font-selector-toolbar.h"
+
+#include "libnrtype/font-lister.h"
+#include "libnrtype/font-instance.h"
+
+#include "ui/icon-names.h"
+
+// For updating from selection
+#include "inkscape.h"
+#include "desktop.h"
+#include "object/sp-text.h"
+
+// TEMP TEMP TEMP
+#include "ui/toolbar/text-toolbar.h"
+
+/* To do:
+ *   Fix altx.  The setToolboxFocusTo method now just searches for a named widget.
+ *   We just need to do the following:
+ *   * Set the name of the family_combo child widget
+ *   * Change the setToolboxFocusTo() argument in tools/text-tool to point to that widget name
+ */
+
+void family_cell_data_func(const Gtk::TreeModel::const_iterator iter, Gtk::CellRendererText* cell ) {
+
+    Inkscape::FontLister* font_lister = Inkscape::FontLister::get_instance();
+    Glib::ustring markup = font_lister->get_font_family_markup(iter);
+    // std::cout << "Markup: " << markup << std::endl;
+
+    cell->set_property ("markup", markup);
+}
+
+namespace Inkscape {
+namespace UI {
+namespace Widget {
+
+FontSelectorToolbar::FontSelectorToolbar ()
+    : Gtk::Grid ()
+    , family_combo (true)  // true => with text entry.
+    , style_combo (true)
+    , signal_block (false)
+{
+
+    Inkscape::FontLister* font_lister = Inkscape::FontLister::get_instance();
+
+    // Font family
+    family_combo.set_model (font_lister->get_font_list());
+    family_combo.set_entry_text_column (0);
+    family_combo.set_name ("FontSelectorToolBar: Family");
+    family_combo.set_row_separator_func (&font_lister_separator_func);
+
+    family_combo.clear(); // Clears all CellRenderer mappings.
+    family_combo.set_cell_data_func (family_cell,
+                                     sigc::bind(sigc::ptr_fun(family_cell_data_func), &family_cell));
+    family_combo.pack_start (family_cell);
+    
+
+    Gtk::Entry* entry = family_combo.get_entry();
+    entry->signal_icon_press().connect (sigc::mem_fun(*this, &FontSelectorToolbar::on_icon_pressed));
+    entry->signal_key_press_event().connect (sigc::mem_fun(*this, &FontSelectorToolbar::on_key_press_event), false); // false => connect first
+
+    Glib::RefPtr<Gtk::EntryCompletion> completion = Gtk::EntryCompletion::create();
+    completion->set_model (font_lister->get_font_list());
+    completion->set_text_column (0);
+    completion->set_popup_completion ();
+    completion->set_inline_completion (false);
+    completion->set_inline_selection ();
+    // completion->signal_match_selected().connect(sigc::mem_fun(*this, &FontSelectorToolbar::on_match_selected), false); // false => connect before default handler.
+    entry->set_completion (completion);
+
+    // Style
+    style_combo.set_model (font_lister->get_style_list());
+    style_combo.set_name ("FontSelectorToolbar: Style");
+
+    // Grid
+    set_name ("FontSelectorToolbar: Grid");
+    attach (family_combo,  0, 0, 1, 1);
+    attach (style_combo,   1, 0, 1, 1);
+
+    // Add signals
+    family_combo.signal_changed().connect (sigc::mem_fun(*this, &FontSelectorToolbar::on_family_changed));
+    style_combo.signal_changed().connect (sigc::mem_fun(*this, &FontSelectorToolbar::on_style_changed));
+    
+    show_all_children();
+
+    // Initialize font family lists. (May already be done.) Should be done on document change.
+    font_lister->update_font_list(SP_ACTIVE_DESKTOP->getDocument());
+
+    // When FontLister is changed, update family and style shown in GUI.
+    font_lister->connectUpdate(sigc::mem_fun(*this, &FontSelectorToolbar::update_font));
+}
+
+
+// Update GUI based on font-selector values.
+void
+FontSelectorToolbar::update_font ()
+{
+    if (signal_block) return;
+
+    signal_block = true;
+
+    Inkscape::FontLister* font_lister = Inkscape::FontLister::get_instance();
+    Gtk::TreeModel::Row row;
+
+    // Set font family.
+    try {
+        row = font_lister->get_row_for_font ();
+        family_combo.set_active (row);
+    } catch (...) {
+        std::cerr << "FontSelectorToolbar::update_font: Couldn't find row for family: "
+                  << font_lister->get_font_family() << std::endl;
+    }
+
+    // Set style.
+    try {
+        row = font_lister->get_row_for_style ();
+        style_combo.set_active (row);
+    } catch (...) {
+        std::cerr << "FontSelectorToolbar::update_font: Couldn't find row for style: "
+                  << font_lister->get_font_style() << std::endl;
+    }
+
+    // Check for missing fonts.
+    Glib::ustring missing_fonts = get_missing_fonts();
+
+    // Add an icon to end of entry.
+    Gtk::Entry* entry = family_combo.get_entry();
+    if (missing_fonts.empty()) {
+        // If no missing fonts, add icon for selecting all objects with this font-family.
+        entry->set_icon_from_icon_name (INKSCAPE_ICON("edit-select-all"), Gtk::ENTRY_ICON_SECONDARY);
+        entry->set_icon_tooltip_text (_("Select all text with this text family"), Gtk::ENTRY_ICON_SECONDARY);
+    } else {
+        // If missing fonts, add warning icon.
+        Glib::ustring warning = _("Font not found on system: ") + missing_fonts; 
+        entry->set_icon_from_icon_name (INKSCAPE_ICON("dialog-warning"), Gtk::ENTRY_ICON_SECONDARY);
+        entry->set_icon_tooltip_text (warning, Gtk::ENTRY_ICON_SECONDARY);
+    }
+
+    signal_block = false;
+}
+
+// Get comma separated list of fonts in font-family that are not on system.
+// To do, move to font-lister.
+Glib::ustring
+FontSelectorToolbar::get_missing_fonts ()
+{
+    // Get font list in text entry which may be a font stack (with fallbacks).
+    Glib::ustring font_list = family_combo.get_entry_text();
+    Glib::ustring missing_font_list;
+    Inkscape::FontLister* font_lister = Inkscape::FontLister::get_instance();
+
+    std::vector<Glib::ustring> tokens = Glib::Regex::split_simple("\\s*,\\s*", font_list);
+
+    for (auto token: tokens) {
+        bool found = false;
+        Gtk::TreeModel::Children children = font_lister->get_font_list()->children();
+        for (auto iter2: children) {
+            Gtk::TreeModel::Row row2 = *iter2;
+            Glib::ustring family2 = row2[font_lister->FontList.family];
+            bool onSystem2        = row2[font_lister->FontList.onSystem];
+            // CSS dictates that font family names are case insensitive.
+            // This should really implement full Unicode case unfolding.
+            if (onSystem2 && token.casefold().compare(family2.casefold()) == 0) {
+                found = true;
+                break;
+            }
+        }
+
+        if (!found) {
+            missing_font_list += token;
+            missing_font_list += ", ";
+        }
+    }
+
+    // Remove extra comma and space from end.
+    if (missing_font_list.size() >= 2) {
+        missing_font_list.resize(missing_font_list.size() - 2);
+    }
+
+    return missing_font_list;
+}
+
+
+// Callbacks
+
+// Need to update style list
+void
+FontSelectorToolbar::on_family_changed() {
+
+    if (signal_block) return;
+    signal_block = true;
+
+    Glib::ustring family = family_combo.get_entry_text();
+
+    Inkscape::FontLister *fontlister = Inkscape::FontLister::get_instance();
+    fontlister->set_font_family (family);
+
+    signal_block = false;
+
+    // Let world know
+    changed_emit();
+}
+
+void
+FontSelectorToolbar::on_style_changed() {
+
+    if (signal_block) return;
+    signal_block = true;
+
+    Glib::ustring style = style_combo.get_entry_text();
+
+    Inkscape::FontLister *fontlister = Inkscape::FontLister::get_instance();
+    fontlister->set_font_style (style);
+
+    signal_block = false;
+
+    // Let world know
+    changed_emit();
+}
+
+void
+FontSelectorToolbar::on_icon_pressed (Gtk::EntryIconPosition icon_position, const GdkEventButton* event) {
+    std::cout << "FontSelectorToolbar::on_entry_icon_pressed" << std::endl;
+    std::cout << "    .... Should select all items with same font-family. FIXME" << std::endl;
+    // Call equivalent of sp_text_toolbox_select_cb() in text-toolbar.cpp
+    // Should be action!  (Maybe: select_all_fontfamily( Glib::ustring font_family );).
+    // Check how Find dialog works.
+}
+
+// bool
+// FontSelectorToolbar::on_match_selected (const Gtk::TreeModel::iterator& iter)
+// {
+//     std::cout << "on_match_selected" << std::endl;
+//     std::cout << "   FIXME" << std::endl;
+//     Inkscape::FontLister* font_lister = Inkscape::FontLister::get_instance();
+//     Glib::ustring family = (*iter)[font_lister->FontList.family];
+//     std::cout << "  family: " << family << std::endl;
+//     return false; // Leave it to default handler to set entry text.
+// }
+
+// Return focus to canvas.
+bool
+FontSelectorToolbar::on_key_press_event (GdkEventKey* key_event)
+{
+    bool consumed = false;
+
+    unsigned int key = 0;
+    gdk_keymap_translate_keyboard_state( Gdk::Display::get_default()->get_keymap(),
+                                         key_event->hardware_keycode,
+                                         (GdkModifierType)key_event->state,
+                                         0, &key, nullptr, nullptr, nullptr );
+
+    switch ( key ) {
+
+        case GDK_KEY_Escape:
+        case GDK_KEY_Return:
+        case GDK_KEY_KP_Enter:
+        {
+            // Defocus
+            std::cerr << "FontSelectorToolbar::on_key_press_event: Defocus: FIXME" << std::endl;
+            consumed = true;
+        }
+        break;
+    }
+
+    return consumed; // Leave it to default handler if false.
+}
+
+void
+FontSelectorToolbar::changed_emit() {
+    signal_block = true;
+    changed_signal.emit ();
+    signal_block = false;
+}
+
+} // namespace Widget
+} // namespace UI
+} // namespace Inkscape
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8 :