diff -r 88bc21b19213 -r 097f45f9c1fa ui/winui/text.cpp
--- a/ui/winui/text.cpp	Fri Oct 20 16:34:33 2023 +0200
+++ b/ui/winui/text.cpp	Sun Nov 26 15:44:28 2023 +0100
@@ -33,16 +33,23 @@
 #include "../common/context.h"
 #include "../common/object.h"
 
+#include <cx/string.h>
+#include <cx/allocator.h>
+
 #include "util.h"
 #include "container.h"
 
+
+
 using namespace winrt;
 using namespace Microsoft::UI::Xaml;
 using namespace Microsoft::UI::Xaml::Controls;
 using namespace Windows::UI::Xaml::Interop;
 using namespace winrt::Windows::Foundation;
+using namespace Microsoft::UI::Xaml::Markup;
+using namespace Microsoft::UI::Xaml::Media;
 using namespace winrt::Microsoft::UI::Xaml::Controls::Primitives;
-
+using namespace winrt::Windows::UI::Xaml::Input;
 
 UIWIDGET ui_textfield_create(UiObject* obj, UiTextFieldArgs args) {
     UiObject* current = uic_current_obj(obj);
@@ -160,3 +167,303 @@
     PasswordBox box = widget->uielement.as<PasswordBox>();
     box.Password(ui_string_set(str, newvalue));
 }
+
+
+// ------------------------ path textfield --------------------------------------
+
+extern "C" static void destroy_ui_pathtextfield(void* ptr) {
+    UiPathTextField* pb = (UiPathTextField*)ptr;
+    delete pb;
+}
+
+static void ui_context_add_pathtextfield_destructor(UiContext* ctx, UiPathTextField* pb) {
+    cxMempoolRegister(ctx->mp, pb, destroy_ui_pathtextfield);
+}
+
+static void ui_pathtextfield_clear(StackPanel& buttons) {
+    for (int i = buttons.Children().Size() - 1; i >= 0; i--) {
+        buttons.Children().RemoveAt(i);
+    }
+}
+
+static void ui_pathfield_free_pathelms(UiPathElm* elms, size_t nelm) {
+    if (!elms) {
+        return;
+    }
+    for (int i = 0; i < nelm; i++) {
+        UiPathElm e = elms[i];
+        free(e.name);
+        free(e.path);
+    }
+    free(elms);
+}
+
+UiPathTextField::~UiPathTextField() {
+    ui_pathfield_free_pathelms(this->current_path, this->current_path_nelms);
+}
+
+static UiPathElm* default_pathelm_func(const char* full_path, size_t len, size_t* ret_nelm, void* data) {
+    cxstring *pathelms;
+    size_t nelm = cx_strsplit_a(cxDefaultAllocator, cx_strn(full_path, len), CX_STR("/"), 4096, &pathelms);
+
+    if (nelm == 0) {
+        *ret_nelm = 0;
+        return nullptr;
+    }
+
+    UiPathElm* elms = (UiPathElm*)calloc(nelm, sizeof(UiPathElm));
+    size_t n = nelm;
+    int j = 0;
+    for (int i = 0; i < nelm; i++) {
+        cxstring c = pathelms[i];
+        if (c.length == 0) {
+            if (i == 0) {
+                c.length = 1;
+            }
+            else {
+                n--;
+                continue;
+            }
+        }
+
+        cxmutstr m = cx_strdup(c);
+        elms[j].name = m.ptr;
+        elms[j].name_len = m.length;
+        
+        size_t elm_path_len = c.ptr + c.length - full_path;
+        cxmutstr elm_path = cx_strdup(cx_strn(full_path, elm_path_len));
+        elms[j].path = elm_path.ptr;
+        elms[j].path_len = elm_path.length;
+
+        j++;
+    }
+    *ret_nelm = n;
+
+    return elms;
+}
+
+void ui_pathtextfield_update(UiPathTextField* pb, const char *full_path) {
+    Grid grid = pb->grid;
+
+    ui_pathelm_func getpathelm = pb->getpathelm;
+    void* getpathelmdata = pb->getpathelmdata;
+
+    // hide textbox, show button panel
+    pb->textbox.Visibility(Visibility::Collapsed);
+    pb->buttons.Visibility(Visibility::Visible);
+
+    // clear old buttons
+    ui_pathtextfield_clear(pb->buttons);
+
+    size_t full_path_len = full_path ? strlen(full_path) : 0;
+    
+    size_t nelm = 0;
+    UiPathElm* path_elm = getpathelm(full_path, full_path_len, &nelm, getpathelmdata);
+    ui_pathfield_free_pathelms(pb->current_path, pb->current_path_nelms);
+    pb->current_path = path_elm;
+    pb->current_path_nelms = nelm;
+
+    // add new buttons
+    int j = 0;
+    for (int i = 0; i < nelm;i++) {
+        UiPathElm elm = path_elm[i];
+        wchar_t* wstr = str2wstr_len(elm.name, elm.name_len, nullptr);
+        Button button = Button();
+        button.Content(box_value(wstr));
+        free(wstr);
+
+        if (pb->onactivate) {
+            button.Click([pb, j, elm](IInspectable const& sender, RoutedEventArgs) {
+                // copy elm.path because it could be a non-terminated string
+                cxmutstr elmpath = cx_strdup(cx_strn(elm.path, elm.path_len));
+
+                UiEvent evt;
+                evt.obj = pb->obj;
+                evt.window = evt.obj->window;
+                evt.document = evt.obj->ctx->document;
+                evt.eventdata = elmpath.ptr;
+                evt.intval = j;
+                pb->onactivate(&evt, pb->onactivatedata);
+
+                free(elmpath.ptr);
+                });
+        }
+
+        Thickness t = { 0, 0, 1, 0 };
+        CornerRadius c = { 0 ,0, 0, 0 };
+        button.BorderThickness(t);
+        button.CornerRadius(c);
+
+        pb->buttons.Children().Append(button);
+
+        j++;
+    }
+}
+
+char* ui_path_textfield_get(UiString * str) {
+    UiPathTextField* widget = (UiPathTextField*)str->obj;
+    TextBox box = widget->textbox;
+    std::wstring wstr(box.Text());
+    return ui_string_get(str, wstr);
+}
+
+void  ui_path_textfield_set(UiString* str, const char* newvalue) {
+    UiPathTextField* widget = (UiPathTextField*)str->obj;
+    TextBox box = widget->textbox;
+    box.Text(ui_string_set(str, newvalue));
+    ui_pathtextfield_update(widget, newvalue);
+}
+
+UIEXPORT UIWIDGET ui_path_textfield_create(UiObject* obj, UiPathTextFieldArgs args) {
+    UiObject* current = uic_current_obj(obj);
+
+    // create view and toolkit wrapper
+    Border pathbar = Border();
+
+    IInspectable bgRes = Application::Current().Resources().Lookup(box_value(L"TextControlBackground"));
+    IInspectable borderThicknessRes = Application::Current().Resources().Lookup(box_value(L"TextControlBorderThemeThickness"));
+    IInspectable borderBrushRes = Application::Current().Resources().Lookup(box_value(L"TextControlBorderBrush"));
+    // IInspectable cornerRes = Application::Current().Resources().Lookup(box_value(L"TextControlCornerRadius"));
+
+    Brush bgBrush = unbox_value<Brush>(bgRes);
+    Thickness border = unbox_value<Thickness>(borderThicknessRes);
+    Brush borderBrush = unbox_value<Brush>(borderBrushRes);
+    CornerRadius cornerRadius = { 4, 4, 4, 4 }; //unbox_value<CornerRadius>(cornerRes);
+
+    pathbar.Background(bgBrush);
+    pathbar.BorderBrush(borderBrush);
+    pathbar.BorderThickness(border);
+    pathbar.CornerRadius(cornerRadius);
+
+    Grid content = Grid();
+    pathbar.Child(content);
+
+    GridLength gl;
+    gl.Value = 0;
+    gl.GridUnitType = GridUnitType::Auto;
+
+    ColumnDefinition coldef = ColumnDefinition();
+    coldef.Width(gl);
+    content.ColumnDefinitions().Append(coldef);
+
+    gl.Value = 1;
+    gl.GridUnitType = GridUnitType::Star;
+
+    ColumnDefinition coldef2 = ColumnDefinition();
+    coldef2.Width(gl);
+    content.ColumnDefinitions().Append(coldef2);
+
+    TextBox pathTextBox = TextBox();
+    Thickness t = { 0, 0, 0, 0 };
+    CornerRadius c = { 0 ,0, 0, 0 };
+    pathTextBox.BorderThickness(t);
+    //pathTextBox.CornerRadius(c);
+
+
+    pathTextBox.HorizontalAlignment(HorizontalAlignment::Stretch);
+    content.SetColumn(pathTextBox, 0);
+    content.SetColumnSpan(pathTextBox, 2);
+
+    content.Children().Append(pathTextBox);
+
+    // stackpanel for buttons
+    StackPanel buttons = StackPanel();
+    buttons.Orientation(Orientation::Horizontal);
+    buttons.Visibility(Visibility::Collapsed);
+    content.SetColumn(buttons, 0);
+    content.Children().Append(buttons);
+
+    TextBlock filler = TextBlock();
+    filler.VerticalAlignment(VerticalAlignment::Stretch);
+    //filler.Text(winrt::hstring(L"hello filler"));
+
+    filler.HorizontalAlignment(HorizontalAlignment::Stretch);
+    filler.VerticalAlignment(VerticalAlignment::Stretch);
+    content.SetColumn(filler, 1);
+    content.Children().Append(filler);
+
+    filler.PointerPressed(
+        winrt::Microsoft::UI::Xaml::Input::PointerEventHandler(
+            [=](IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::PointerRoutedEventArgs const& args) {
+                pathTextBox.Visibility(Visibility::Visible);
+                buttons.Visibility(Visibility::Collapsed);
+                filler.Visibility(Visibility::Collapsed);
+                pathTextBox.SelectionStart(pathTextBox.Text().size());
+                pathTextBox.SelectionLength(0);
+                pathTextBox.Focus(FocusState::Keyboard);
+            })
+    );
+
+    //pathTextBox.Visibility(Visibility::Collapsed);
+
+    UiPathTextField* uipathbar = new UiPathTextField;
+    ui_context_add_pathtextfield_destructor(current->ctx, uipathbar);
+    uipathbar->grid = content;
+    uipathbar->buttons = buttons;
+    uipathbar->textbox = pathTextBox;
+    uipathbar->filler = filler;
+    uipathbar->obj = obj;
+    uipathbar->getpathelm = args.getpathelm ? args.getpathelm : default_pathelm_func;
+    uipathbar->getpathelmdata = args.getpathelmdata;
+    uipathbar->onactivate = args.onactivate;
+    uipathbar->onactivatedata = args.onactivatedata;
+    uipathbar->ondragstart = args.ondragstart;
+    uipathbar->ondragstartdata = args.ondragstartdata;
+    uipathbar->ondragcomplete = args.ondragcomplete;
+    uipathbar->ondragcompletedata = args.ondragcompletedata;
+    uipathbar->ondrop = args.ondrop;
+    uipathbar->ondropdata = args.ondropsdata;
+
+
+    pathTextBox.KeyDown(
+        winrt::Microsoft::UI::Xaml::Input::KeyEventHandler(
+            [=](winrt::Windows::Foundation::IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::KeyRoutedEventArgs const& e) {
+                auto key = e.Key();
+                bool showButtons = false;
+                bool update = false;
+                if (key == Windows::System::VirtualKey::Escape) {
+                    showButtons = true;
+                }
+                else if (key == Windows::System::VirtualKey::Enter) {
+                    showButtons = true;
+                    update = true;
+                }
+
+                if (showButtons) {
+                    pathTextBox.Visibility(Visibility::Collapsed);
+                    buttons.Visibility(Visibility::Visible);
+                    filler.Visibility(Visibility::Visible);
+                    if (update) {
+                        std::wstring value(pathTextBox.Text());
+                        char* full_path = wchar2utf8(value.c_str(), value.length());
+                        ui_pathtextfield_update(uipathbar, full_path);
+                        free(full_path);
+                    }
+
+                    //buttons.Focus(FocusState::Keyboard);
+                }
+            })
+    );
+
+
+    UIElement elm = pathbar;
+    UiWidget* widget = new UiWidget(elm);
+    widget->data1 = uipathbar;
+    ui_context_add_widget_destructor(current->ctx, widget);
+
+    // bind var
+    UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_LIST);
+    if (var) {
+        UiString* value = (UiString*)var->value;
+        value->obj = uipathbar;
+        value->get = ui_path_textfield_get;
+        value->set = ui_path_textfield_set;
+    }
+
+    // add listview to current container
+    UI_APPLY_LAYOUT1(current, args);
+
+    current->container->Add(pathbar, false);
+
+    return widget;
+}