Add gtk101

Gtkmm3/gtk101_editable_view/meson.build

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+#A Simple Project Test
+project('gtk101', 'cpp',
+        default_options : ['c_std=c17', 'cpp_std=c++17'])
+
+#Initalize variants
+# gnome=import('gnome')
+
+#Compile Resource 
+# gresources = gnome.compile_resources(
+#     'resources', 'res/gtk91.resource.xml',
+#     source_dir: 'res',
+#     c_name: 'resources'
+# )
+
+#The Gtkmm Library as a dependency
+gtkdep = dependency('gtkmm-3.0')
+
+#Additional include dirs
+dir_include = include_directories('..')
+
+#Use Different Build Opinions in windows and Linux
+if host_machine.system() == 'windows'
+    win=import('windows')
+    icon_res=win.compile_resources('../icon.rc')
+    executable('gtk101', icon_res, 'src/main.cc', 'src/MyWin.cc', dependencies : gtkdep,
+				win_subsystem : 'windows', include_directories : dir_include)
+else
+    executable('gtk101', 'src/main.cc', 'src/MyWin.cc', dependencies : gtkdep,
+                include_directories : dir_include)
+endif

Gtkmm3/gtk101_editable_view/src/MyWin.cc

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+#include "MyWin.hh"
+
+MyWin::MyWin()
+:main_box(Gtk::ORIENTATION_VERTICAL,5),
+m_label("No Selection"),
+btn_exit("Exit")
+{
+    //Initalize window
+    set_icon_name("org.gtk.daleclack");
+    set_default_size(300,400);
+
+    //Add Widgets
+    scrolled.add(m_treeview);
+    scrolled.set_policy(Gtk::POLICY_AUTOMATIC,Gtk::POLICY_AUTOMATIC);
+    main_box.pack_start(scrolled);
+    main_box.pack_start(m_label,Gtk::PACK_SHRINK);
+    main_box.pack_start(btn_exit,Gtk::PACK_SHRINK);
+    add(main_box);
+
+    //Create and add model
+    ref_liststore=Gtk::ListStore::create(m_columns);
+    m_treeview.set_model(ref_liststore);
+
+    //Add Items
+    auto row=*(ref_liststore->append());
+    row[m_columns.m_col_id]=1;
+    row[m_columns.m_col_name]="Name1";
+    row[m_columns.m_col_number]="0000000";
+
+    row=*(ref_liststore->append());
+    row[m_columns.m_col_id]=2;
+    row[m_columns.m_col_name]="Name2";
+    row[m_columns.m_col_number]="0000001";
+
+    row=*(ref_liststore->append());
+    row[m_columns.m_col_id]=3;
+    row[m_columns.m_col_name]="Name3";
+    row[m_columns.m_col_number]="0000002";
+
+    m_treeview.append_column_editable("ID",m_columns.m_col_id);
+    m_treeview.append_column_editable("Name",m_columns.m_col_name);
+    m_treeview.append_column_editable("Number",m_columns.m_col_number);
+
+    selection=m_treeview.get_selection();
+
+    btn_exit.signal_clicked().connect(sigc::mem_fun(*this,&MyWin::hide));
+    selection->signal_changed().connect(sigc::mem_fun(*this,&MyWin::selection_changed));
+
+    show_all_children();
+}
+
+void MyWin::selection_changed(){
+    auto model=*(selection->get_selected());
+    m_label.set_label(model[m_columns.m_col_name]);
+}

Gtkmm3/gtk101_editable_view/src/MyWin.hh

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+#pragma once
+
+#include <gtkmm.h>
+
+class MyWin : public Gtk::Window{
+public:
+    MyWin();
+private:
+
+    //Model Columns
+    class ModelColumns : public Gtk::TreeModelColumnRecord{
+    public:
+        ModelColumns()
+        {add(m_col_id); add(m_col_name); add(m_col_number);}
+
+        Gtk::TreeModelColumn<int> m_col_id;
+        Gtk::TreeModelColumn<Glib::ustring> m_col_name;
+        Gtk::TreeModelColumn<Glib::ustring> m_col_number;
+    };
+
+    ModelColumns m_columns;
+
+    Glib::RefPtr<Gtk::ListStore> ref_liststore;
+    Glib::RefPtr<Gtk::TreeSelection> selection;
+    
+    //Child Widgets
+    Gtk::TreeView m_treeview;
+    Gtk::Box main_box;
+    Gtk::ScrolledWindow scrolled;
+    Gtk::Label m_label;
+    Gtk::Button btn_exit;
+
+    //Signal Handlers
+    void selection_changed();
+};

Gtkmm3/gtk101_editable_view/src/main.cc

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