Add gtk156

Gtkmm4/gtk156_dyncombo/CMakeLists.txt

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+set(CMAKE_CXX_STANDARD 17)
+cmake_minimum_required(VERSION 3.5.0)
+project(gtk156_dyncombo VERSION 1.0.0)
+
+list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/../../GCR_CMake/macros)
+include(GlibCompileResourcesSupport)
+
+include(CTest)
+enable_testing()
+
+set(CPACK_PROJECT_NAME ${PROJECT_NAME})
+set(CPACK_PROJECT_VERSION ${PROJECT_VERSION})
+
+include(CPack)
+include_directories(.)
+include_directories(..)
+
+#Find PkgConfig to use gtkmm3
+find_package (PkgConfig REQUIRED)
+pkg_check_modules (GTKMM4 REQUIRED gtkmm-4.0)
+include_directories (${GTKMM4_INCLUDE_DIRS})
+link_directories (${GTKMM4_LIBRARY_DIRS})
+
+# Find Gettext
+# find_package (Gettext REQUIRED)
+# set(PO_DIR ${CMAKE_BINARY_DIR}/po/zh_CN/LC_MESSAGES)
+
+# Source filesa
+set(SOURCE_FILE src/main.cc src/MainWin.cc)
+
+# Compile Resource
+
+# set(RESOURCE_LIST
+#     STRIPBLANKS prefs_stack.ui
+#     STRIPBLANKS mainmenu.xml
+#     )
+
+# compile_gresources(RESOURCE_FILE
+#                    XML_OUT
+#                    TYPE EMBED_C
+#                    RESOURCES ${RESOURCE_LIST}
+#                    PREFIX "/org/gtk/daleclack"
+#                    SOURCE_DIR ${PROJECT_SOURCE_DIR}/res)
+                   
+# Add a custom target to the makefile. Now make builds our resource file.
+# It depends on the output RESOURCE_FILE.
+
+# add_custom_target(resource ALL DEPENDS ${RESOURCE_FILE})
+
+#For win32 platform,use rc resource and .ico icon
+if(WIN32)
+	SET(CMAKE_RC_COMPILER windres)
+	set(app_WINRC ../icon.rc)
+	set_property(SOURCE ../icon.rc APPEND PROPERTY
+        OBJECT_DEPENDS ${PROJECT_SOURCE_DIR}/../icon.ico
+        )
+	add_executable(${PROJECT_NAME} WIN32 ${app_WINRC} ${SOURCE_FILE})
+    add_custom_command( TARGET ${PROJECT_NAME} 
+                        COMMAND echo * > ${CMAKE_BINARY_DIR}/.gitignore
+                        COMMAND echo **/* > ${CMAKE_BINARY_DIR}/.hgignore)
+else()
+	add_executable(${PROJECT_NAME} ${SOURCE_FILE})
+    add_custom_command( TARGET ${PROJECT_NAME}
+                        COMMAND echo \"*\" > ${CMAKE_BINARY_DIR}/.gitignore
+                        COMMAND echo \"**/*\" > ${CMAKE_BINARY_DIR}/.hgignore)   
+endif(WIN32)
+
+#Add command to generate .gitignore and .mo files
+# add_custom_command( TARGET ${PROJECT_NAME} 
+#                     COMMAND mkdir -p ${PO_DIR}
+#                     COMMAND ${GETTEXT_MSGFMT_EXECUTABLE} ${CMAKE_SOURCE_DIR}/po/zh_CN.po -o ${PO_DIR}/${PROJECT_NAME}.mo)
+
+SET (CMAKE_EXTRA_CXX_FLAGS ${GTKMM4_CFLAGS_OTHER})
+target_link_libraries (${PROJECT_NAME} ${GTKMM4_LIBRARIES} -lpthread)

Gtkmm4/gtk156_dyncombo/src/MainWin.cc

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+#include "MainWin.hh"
+
+MainWin::MainWin()
+    : main_box(Gtk::Orientation::HORIZONTAL, 5),
+    lists_box(Gtk::Orientation::VERTICAL, 5),
+    drop_frame("Dropdown widget"),
+    list_frame("Items List"),
+    btn_add("Add Item"),
+    btn_remove("Remove Item")
+{
+    // Initalize window
+    set_icon_name("org.gtk.daleclack");
+    set_default_size(600, 400);
+    set_title("Dynamic Dropdown test");
+
+    // Add overlay widget
+    dropdown.set_halign(Gtk::Align::CENTER);
+    dropdown.set_valign(Gtk::Align::CENTER);
+    drop_overlay.add_overlay(dropdown);
+    drop_frame.set_child(drop_overlay);
+
+    
+
+    // Add List widget
+    // Scrolled window for listview widget
+    m_sw.set_policy(Gtk::PolicyType::AUTOMATIC, Gtk::PolicyType::AUTOMATIC);
+    m_sw.set_expand();
+    m_sw.set_halign(Gtk::Align::FILL);
+    m_sw.set_valign(Gtk::Align::FILL);
+    m_sw.set_child(main_list_view);
+    lists_box.append(m_sw);
+
+    // Entry and buttons
+    btn_add.set_halign(Gtk::Align::CENTER);
+    btn_remove.set_halign(Gtk::Align::CENTER);
+    lists_box.append(item_entry);
+    lists_box.append(btn_add);
+    lists_box.append(btn_remove);
+    list_frame.set_child(lists_box);
+
+    // Append the frames to the main box
+    main_box.append(drop_frame);
+    main_box.append(list_frame);
+    set_child(main_box);
+}
+
+void MainWin::btnadd_clicked()
+{
+    Glib::ustring entry_str;
+
+    // Get String from entry
+    entry_str = item_entry.get_text();
+
+    // Append text to the list
+    if (!entry_str.empty())
+    {
+        dropdown_list->append(entry_str);
+    }
+}
+
+void MainWin::btnremove_clicked()
+{
+}

Gtkmm4/gtk156_dyncombo/src/MainWin.hh

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+#pragma once
+
+#include "../json_nlohmann/json.hpp"
+#include <vector>
+#include <gtkmm.h>
+
+using json = nlohmann::json;
+typedef std::vector<std::string> str_vec;
+
+// Main Window Class
+class MainWin : public Gtk::ApplicationWindow
+{
+public:
+    MainWin();
+
+private:
+    // Use StringList for dropdown and json file
+    Glib::RefPtr<Gtk::StringList> dropdown_list;
+
+    // Child widgets
+    Gtk::DropDown dropdown;
+    Gtk::Overlay drop_overlay;
+    Gtk::Box main_box, lists_box;
+    Gtk::Frame drop_frame, list_frame;
+    Gtk::ScrolledWindow m_sw;
+    Gtk::ListView main_list_view;
+    Gtk::Entry item_entry;
+    Gtk::Button btn_add, btn_remove;
+
+    // Signal Handlers
+    void btnadd_clicked();
+    void btnremove_clicked();
+};

Gtkmm4/gtk156_dyncombo/src/main.cc

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+#include "MainWin.hh"
+
+int main(int argc, char **argv)
+{
+    // Create a window and run
+    auto app = Gtk::Application::create("org.gtk.daleclack");
+    return app->make_window_and_run<MainWin>(argc, argv);
+}