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https://gitlab.gnome.org/GNOME/gtk.git
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gtk3-demo: Make the filter model example more interesting
Allow editing values in the first treeview, to see the derived models update in real time.
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commit
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@ -6,6 +6,7 @@
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*/
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#include <gtk/gtk.h>
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#include <stdlib.h>
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enum {
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WIDTH_COLUMN,
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@ -83,6 +84,28 @@ visible_func (GtkTreeModel *model,
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return width < 10;
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}
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static void
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cell_edited (GtkCellRendererSpin *cell,
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const char *path_string,
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const char *new_text,
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GtkListStore *store)
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{
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int val;
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GtkTreePath *path;
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GtkTreeIter iter;
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int column;
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path = gtk_tree_path_new_from_string (path_string);
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gtk_tree_model_get_iter (GTK_TREE_MODEL (store), &iter, path);
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gtk_tree_path_free (path);
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column = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (cell), "column"));
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val = atoi (new_text);
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gtk_list_store_set (store, &iter, column, val, -1);
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}
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GtkWidget *
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do_filtermodel (GtkWidget *do_widget)
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{
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@ -106,15 +129,21 @@ do_filtermodel (GtkWidget *do_widget)
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g_signal_connect (window, "destroy",
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G_CALLBACK (gtk_widget_destroyed), &window);
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store = (GtkListStore*)gtk_builder_get_object (builder, "liststore1");
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column = (GtkTreeViewColumn*)gtk_builder_get_object (builder, "treeviewcolumn1");
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cell = (GtkCellRenderer*)gtk_builder_get_object (builder, "cellrenderertext1");
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gtk_tree_view_column_set_cell_data_func (column, cell,
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format_number, GINT_TO_POINTER (WIDTH_COLUMN), NULL);
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g_object_set_data (G_OBJECT (cell), "column", GINT_TO_POINTER (WIDTH_COLUMN));
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g_signal_connect (cell, "edited", G_CALLBACK (cell_edited), store);
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column = (GtkTreeViewColumn*)gtk_builder_get_object (builder, "treeviewcolumn2");
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cell = (GtkCellRenderer*)gtk_builder_get_object (builder, "cellrenderertext2");
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gtk_tree_view_column_set_cell_data_func (column, cell,
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format_number, GINT_TO_POINTER (HEIGHT_COLUMN), NULL);
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g_object_set_data (G_OBJECT (cell), "column", GINT_TO_POINTER (HEIGHT_COLUMN));
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g_signal_connect (cell, "edited", G_CALLBACK (cell_edited), store);
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column = (GtkTreeViewColumn*)gtk_builder_get_object (builder, "treeviewcolumn3");
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cell = (GtkCellRenderer*)gtk_builder_get_object (builder, "cellrenderertext3");
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@ -135,7 +164,6 @@ do_filtermodel (GtkWidget *do_widget)
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cell = (GtkCellRenderer*)gtk_builder_get_object (builder, "cellrendererpixbuf1");
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gtk_tree_view_column_add_attribute (column, cell, "visible", SQUARE_COLUMN);
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store = (GtkListStore*)gtk_builder_get_object (builder, "liststore1");
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tree = (GtkWidget*)gtk_builder_get_object (builder, "treeview2");
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types[WIDTH_COLUMN] = G_TYPE_INT;
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@ -24,6 +24,12 @@
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</row>
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</data>
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</object>
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<object class="GtkAdjustment" id="adj">
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<property name="lower">5</property>
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<property name="upper">50</property>
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<property name="step-increment">1</property>
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<property name="page-increment">5</property>
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</object>
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<object class="GtkWindow" id="window1">
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<property name="title" translatable="yes">Filter Model</property>
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<child>
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@ -63,7 +69,10 @@
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<object class="GtkTreeViewColumn" id="treeviewcolumn1">
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<property name="title" translatable="yes">Width</property>
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<child>
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<object class="GtkCellRendererText" id="cellrenderertext1"/>
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<object class="GtkCellRendererSpin" id="cellrenderertext1">
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<property name="editable">1</property>
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<property name="adjustment">adj</property>
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</object>
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</child>
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</object>
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</child>
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@ -71,7 +80,10 @@
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<object class="GtkTreeViewColumn" id="treeviewcolumn2">
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<property name="title" translatable="yes">Height</property>
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<child>
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<object class="GtkCellRendererText" id="cellrenderertext2"/>
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<object class="GtkCellRendererSpin" id="cellrenderertext2">
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<property name="editable">1</property>
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<property name="adjustment">adj</property>
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</object>
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</child>
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</object>
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</child>
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