ui/winui/text.cpp

branch
newapi
changeset 192
bcacd00ea955
child 205
b1ac0dd1d38b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/winui/text.cpp	Sun Oct 01 18:54:23 2023 +0200
@@ -0,0 +1,160 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2023 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "text.h"
+
+#include "../common/context.h"
+#include "../common/object.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 winrt::Microsoft::UI::Xaml::Controls::Primitives;
+
+
+UIWIDGET ui_textfield_create(UiObject* obj, UiTextFieldArgs args) {
+    UiObject* current = uic_current_obj(obj);
+
+    // create textbox and toolkit wrapper
+    TextBox textfield = TextBox();
+    UIElement elm = textfield;
+    UiWidget* widget = new UiWidget(elm);
+    ui_context_add_widget_destructor(current->ctx, widget);
+
+    UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_STRING);
+    if (var) {
+        UiString* value = (UiString*)var->value;
+        value->obj = widget;
+        value->get = ui_textfield_get;
+        value->set = ui_textfield_set;
+
+        // listener for notifying observers
+        // TODO:
+    }
+    
+    // add button to current container
+    UI_APPLY_LAYOUT1(current, args);
+
+    current->container->Add(textfield, false);
+
+    return widget;
+}
+
+UIWIDGET ui_frameless_textfield_create(UiObject* obj, UiTextFieldArgs args) {
+    return ui_textfield_create(obj, args);
+}
+
+UIWIDGET ui_passwordfield_create(UiObject* obj, UiTextFieldArgs args) {
+    UiObject* current = uic_current_obj(obj);
+
+    // create textbox and toolkit wrapper
+    PasswordBox textfield = PasswordBox();
+    UIElement elm = textfield;
+    UiWidget* widget = new UiWidget(elm);
+    ui_context_add_widget_destructor(current->ctx, widget);
+
+    UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_STRING);
+    if (var) {
+        UiString* value = (UiString*)var->value;
+        value->obj = widget;
+        value->get = ui_passwordfield_get;
+        value->set = ui_passwordfield_set;
+
+        // listener for notifying observers
+        // TODO:
+    }
+
+    // add button to current container
+    UI_APPLY_LAYOUT1(current, args);
+
+    current->container->Add(textfield, false);
+
+    return widget;
+}
+
+
+// -------------------------- getter/setter for textfield UiString --------------------------
+
+static char* tf_get(UiString* str, std::wstring &value) {
+    if (str->value.ptr) {
+        str->value.free(str->value.ptr);
+    }
+
+    str->value.ptr = wchar2utf8(value.c_str(), value.length());
+    str->value.free = free;
+
+    return str->value.ptr;
+}
+
+static std::wstring tf_set(UiString* str, const char* value) {
+    if (str->value.ptr) {
+        str->value.free(str->value.ptr);
+    }
+
+    str->value.ptr = _strdup(value);
+    str->value.free = free;
+
+    int len;
+    wchar_t* wstr = str2wstr(value, &len);
+    std::wstring s(wstr);
+    free(wstr);
+
+    return s;
+}
+
+extern "C" char* ui_textfield_get(UiString * str) {
+    UiWidget* widget = (UiWidget*)str->obj;
+    TextBox box = widget->uielement.as<TextBox>();
+    std::wstring wstr(box.Text());
+    return tf_get(str, wstr);
+}
+
+extern "C" void  ui_textfield_set(UiString * str, const char* newvalue) {
+    UiWidget* widget = (UiWidget*)str->obj;
+    TextBox box = widget->uielement.as<TextBox>();
+    box.Text(tf_set(str, newvalue));
+}
+
+
+extern "C" char* ui_passwordfield_get(UiString * str) {
+    UiWidget* widget = (UiWidget*)str->obj;
+    PasswordBox box = widget->uielement.as<PasswordBox>();
+    std::wstring wstr(box.Password());
+    return tf_get(str, wstr);
+}
+
+extern "C" void  ui_passwordfield_set(UiString * str, const char* newvalue) {
+    UiWidget* widget = (UiWidget*)str->obj;
+    PasswordBox box = widget->uielement.as<PasswordBox>();
+    box.Password(tf_set(str, newvalue));
+}

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