101 lines
3.7 KiB
C++
101 lines
3.7 KiB
C++
#include <gtk/gtk.h>
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enum{
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COLUMN = 0,
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NUM_COLS
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};
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void on_changed(GtkTreeSelection *select,GtkStatusbar *status){
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GtkTreeIter iter;
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GtkTreeModel *model;
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char *str;
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if(gtk_tree_selection_get_selected(select,&model,&iter)){
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gtk_tree_model_get(model,&iter,COLUMN,&str,-1);
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gtk_statusbar_push(status,gtk_statusbar_get_context_id(status,str),str);
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g_free(str);
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}
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}
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static GtkTreeModel *create_model(void){
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//Create a treestore and fill the store
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GtkTreeStore *treestore;
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GtkTreeIter toplevel,child;
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treestore=gtk_tree_store_new(NUM_COLS,G_TYPE_STRING);
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gtk_tree_store_append(treestore,&toplevel,NULL);
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gtk_tree_store_set(treestore,&toplevel,COLUMN,"List 1",-1);
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gtk_tree_store_append(treestore,&child,&toplevel);
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gtk_tree_store_set(treestore,&child,COLUMN,"Item 1",-1);
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gtk_tree_store_append(treestore,&child,&toplevel);
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gtk_tree_store_set(treestore,&child,COLUMN,"Item 2",-1);
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gtk_tree_store_append(treestore,&child,&toplevel);
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gtk_tree_store_set(treestore,&child,COLUMN,"Item 3",-1);
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gtk_tree_store_append(treestore,&child,&toplevel);
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gtk_tree_store_set(treestore,&child,COLUMN,"Item 4",-1);
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gtk_tree_store_append(treestore,&toplevel,NULL);
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gtk_tree_store_set(treestore,&toplevel,COLUMN,"List 2",-1);
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gtk_tree_store_append(treestore,&child,&toplevel);
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gtk_tree_store_set(treestore,&child,COLUMN,"Item 5",-1);
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gtk_tree_store_append(treestore,&child,&toplevel);
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gtk_tree_store_set(treestore,&child,COLUMN,"Item 6",-1);
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gtk_tree_store_append(treestore,&child,&toplevel);
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gtk_tree_store_set(treestore,&child,COLUMN,"Item 7",-1);
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return GTK_TREE_MODEL(treestore);
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}
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static GtkWidget *create_view_and_model(void){
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GtkTreeViewColumn *col;
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GtkCellRenderer *render;
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GtkTreeModel *model;
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GtkWidget *view;
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//Create a treeview widget
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view=gtk_tree_view_new();
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//Append column to show selection
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col=gtk_tree_view_column_new();
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gtk_tree_view_column_set_title(col,"Tree List");
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gtk_tree_view_append_column(GTK_TREE_VIEW(view),col);
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//renderer to shoe the text
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render=gtk_cell_renderer_text_new();
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gtk_tree_view_column_pack_start(col,render,TRUE);
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gtk_tree_view_column_add_attribute(col,render,"text",COLUMN);
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//model as a store
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model=create_model();
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gtk_tree_view_set_model(GTK_TREE_VIEW(view),model);
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g_object_unref(model);
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return view;
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}
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static void gtkmain(GtkApplication *app,gpointer user_data){
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GtkWidget *window,*treeview,*vbox,*statusbar,*sw;
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GtkTreeSelection *select;
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//Main window
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window=gtk_application_window_new(app);
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gtk_window_set_icon_name(GTK_WINDOW(window),"org.gtk.daleclack");
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gtk_window_set_default_size(GTK_WINDOW(window),350,300);
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//Veritcal box
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vbox=gtk_box_new(GTK_ORIENTATION_VERTICAL,0);
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//GtkTreeView
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treeview=create_view_and_model();
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//Scrolled window
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sw=gtk_scrolled_window_new(NULL,NULL);
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gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw),GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
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gtk_container_add(GTK_CONTAINER(sw),treeview);
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gtk_box_pack_start(GTK_BOX(vbox),sw,TRUE,TRUE,0);
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//Statusbar
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statusbar=gtk_statusbar_new();
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gtk_box_pack_end(GTK_BOX(vbox),statusbar,FALSE,TRUE,1);
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//Selection
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select=gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
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g_signal_connect(select,"changed",G_CALLBACK(on_changed),statusbar);
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gtk_container_add(GTK_CONTAINER(window),vbox);
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gtk_widget_show_all(window);
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}
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int main(int argc,char **argv){
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GtkApplication *app;
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app=gtk_application_new("org.gtk.daleclack",G_APPLICATION_NON_UNIQUE);
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g_signal_connect(app,"activate",G_CALLBACK(gtkmain),NULL);
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return g_application_run(G_APPLICATION(app),argc,argv);
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}
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