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https://gitlab.gnome.org/GNOME/gtk.git
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gtk-demo: Expand the filter model example
Show normal filtering as well.
This commit is contained in:
Matthias Clasen
parent
13b4500f52
commit
b847937772
@ -193,4 +193,7 @@
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<gresource prefix="/spinbutton">
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<file>spinbutton.ui</file>
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</gresource>
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<gresource prefix="/filtermodel">
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<file>filtermodel.ui</file>
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</gresource>
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</gresources>
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@ -1,8 +1,8 @@
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/* Tree View/Filter Model
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*
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* This example demonstrates how GtkTreeModelFilter can be used
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* to compute columns that are not actually present in the underlying
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* model.
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* This example demonstrates how GtkTreeModelFilter can be used not
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* just to show a subset of the rows, but also to compute columns
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* that are not actually present in the underlying model.
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*/
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#include <gtk/gtk.h>
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@ -69,6 +69,20 @@ filter_modify_func (GtkTreeModel *model,
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}
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}
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static gboolean
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visible_func (GtkTreeModel *model,
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GtkTreeIter *iter,
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gpointer data)
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{
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gint width;
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gtk_tree_model_get (model, iter,
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WIDTH_COLUMN, &width,
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-1);
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return width < 10;
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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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@ -82,62 +96,47 @@ do_filtermodel (GtkWidget *do_widget)
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if (!window)
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{
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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GtkBuilder *builder;
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builder = gtk_builder_new_from_resource ("/filtermodel/filtermodel.ui");
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gtk_builder_connect_signals (builder, NULL);
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window = GTK_WIDGET (gtk_builder_get_object (builder, "window1"));
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gtk_window_set_screen (GTK_WINDOW (window),
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gtk_widget_get_screen (do_widget));
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gtk_window_set_title (GTK_WINDOW (window), "Filter Model");
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g_signal_connect (window, "destroy",
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G_CALLBACK (gtk_widget_destroyed), &window);
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tree = gtk_tree_view_new ();
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gtk_container_add (GTK_CONTAINER (window), tree);
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column = gtk_tree_view_column_new ();
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gtk_tree_view_column_set_title (column, "Width");
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cell = gtk_cell_renderer_text_new ();
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gtk_tree_view_column_pack_start (column, cell, FALSE);
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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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gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
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column = gtk_tree_view_column_new ();
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gtk_tree_view_column_set_title (column, "Height");
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cell = gtk_cell_renderer_text_new ();
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gtk_tree_view_column_pack_start (column, cell, FALSE);
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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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gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
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column = gtk_tree_view_column_new ();
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gtk_tree_view_column_set_title (column, "Area");
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cell = gtk_cell_renderer_text_new ();
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gtk_tree_view_column_pack_start (column, cell, FALSE);
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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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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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column = (GtkTreeViewColumn*)gtk_builder_get_object (builder, "treeviewcolumn4");
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cell = (GtkCellRenderer*)gtk_builder_get_object (builder, "cellrenderertext4");
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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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column = (GtkTreeViewColumn*)gtk_builder_get_object (builder, "treeviewcolumn5");
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cell = (GtkCellRenderer*)gtk_builder_get_object (builder, "cellrenderertext5");
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gtk_tree_view_column_set_cell_data_func (column, cell,
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format_number, GINT_TO_POINTER (AREA_COLUMN), NULL);
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gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
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column = gtk_tree_view_column_new ();
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gtk_tree_view_column_set_title (column, "Square");
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cell = gtk_cell_renderer_pixbuf_new ();
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g_object_set (cell, "icon-name", "object-select-symbolic", NULL);
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gtk_tree_view_column_pack_start (column, cell, FALSE);
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column = (GtkTreeViewColumn*)gtk_builder_get_object (builder, "treeviewcolumn6");
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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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gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
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store = gtk_list_store_new (2, G_TYPE_INT, G_TYPE_INT);
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store = gtk_list_store_new (2, G_TYPE_INT, G_TYPE_INT);
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gtk_list_store_insert_with_values (store, NULL, -1,
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WIDTH_COLUMN, 10,
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HEIGHT_COLUMN, 20,
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-1);
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gtk_list_store_insert_with_values (store, NULL, -1,
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WIDTH_COLUMN, 5,
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HEIGHT_COLUMN, 25,
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-1);
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gtk_list_store_insert_with_values (store, NULL, -1,
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WIDTH_COLUMN, 15,
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HEIGHT_COLUMN, 15,
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-1);
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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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types[HEIGHT_COLUMN] = G_TYPE_INT;
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@ -149,6 +148,25 @@ do_filtermodel (GtkWidget *do_widget)
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filter_modify_func, NULL, NULL);
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gtk_tree_view_set_model (GTK_TREE_VIEW (tree), model);
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column = (GtkTreeViewColumn*)gtk_builder_get_object (builder, "treeviewcolumn7");
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cell = (GtkCellRenderer*)gtk_builder_get_object (builder, "cellrenderertext6");
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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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column = (GtkTreeViewColumn*)gtk_builder_get_object (builder, "treeviewcolumn8");
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cell = (GtkCellRenderer*)gtk_builder_get_object (builder, "cellrenderertext7");
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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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tree = (GtkWidget*)gtk_builder_get_object (builder, "treeview3");
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model = gtk_tree_model_filter_new (GTK_TREE_MODEL (store), NULL);
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gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (model),
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visible_func, NULL, NULL);
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gtk_tree_view_set_model (GTK_TREE_VIEW (tree), model);
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g_object_unref (builder);
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}
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if (!gtk_widget_get_visible (window))
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206
demos/gtk-demo/filtermodel.ui
Normal file
206
demos/gtk-demo/filtermodel.ui
Normal file
@ -0,0 +1,206 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!-- Generated with glade 3.18.1 -->
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<interface>
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<requires lib="gtk+" version="3.16"/>
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<object class="GtkListStore" id="liststore1">
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<columns>
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<!-- column-name width -->
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<column type="gint"/>
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<!-- column-name height -->
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<column type="gint"/>
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</columns>
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<data>
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<row>
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<col id="0">10</col>
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<col id="1">20</col>
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</row>
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<row>
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<col id="0">5</col>
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<col id="1">25</col>
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</row>
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<row>
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<col id="0">15</col>
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<col id="1">15</col>
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</row>
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</data>
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</object>
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<object class="GtkWindow" id="window1">
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<property name="can_focus">False</property>
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<property name="title" translatable="yes">Filter Model</property>
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<child>
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<object class="GtkGrid" id="grid1">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="margin_left">10</property>
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<property name="margin_right">10</property>
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<property name="margin_top">10</property>
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<property name="margin_bottom">10</property>
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<property name="row_spacing">10</property>
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<property name="column_spacing">10</property>
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<property name="column_homogeneous">True</property>
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<child>
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<object class="GtkLabel" id="label1">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="label" translatable="yes">Original</property>
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<property name="xalign">0</property>
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<attributes>
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<attribute name="weight" value="bold"/>
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</attributes>
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</object>
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<packing>
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<property name="left_attach">0</property>
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<property name="top_attach">0</property>
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</packing>
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</child>
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<child>
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<object class="GtkTreeView" id="treeview1">
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<property name="visible">True</property>
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<property name="can_focus">True</property>
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<property name="model">liststore1</property>
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<property name="headers_clickable">False</property>
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<child internal-child="selection">
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<object class="GtkTreeSelection" id="treeview-selection1"/>
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</child>
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<child>
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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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</child>
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</object>
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</child>
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<child>
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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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</child>
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</object>
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</child>
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</object>
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<packing>
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<property name="left_attach">0</property>
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<property name="top_attach">1</property>
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</packing>
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</child>
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<child>
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<object class="GtkTreeView" id="treeview2">
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<property name="visible">True</property>
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<property name="can_focus">True</property>
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<property name="headers_clickable">False</property>
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<property name="search_column">0</property>
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<child internal-child="selection">
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<object class="GtkTreeSelection" id="treeview-selection3"/>
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</child>
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<child>
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<object class="GtkTreeViewColumn" id="treeviewcolumn3">
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<property name="title" translatable="yes">Width</property>
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<child>
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<object class="GtkCellRendererText" id="cellrenderertext3"/>
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</child>
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</object>
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</child>
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<child>
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<object class="GtkTreeViewColumn" id="treeviewcolumn4">
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<property name="title" translatable="yes">Height</property>
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<child>
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<object class="GtkCellRendererText" id="cellrenderertext4"/>
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</child>
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</object>
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</child>
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<child>
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<object class="GtkTreeViewColumn" id="treeviewcolumn5">
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<property name="title" translatable="yes">Area</property>
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<child>
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<object class="GtkCellRendererText" id="cellrenderertext5"/>
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</child>
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</object>
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</child>
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<child>
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<object class="GtkTreeViewColumn" id="treeviewcolumn6">
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<property name="title" translatable="yes">Square</property>
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<child>
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<object class="GtkCellRendererPixbuf" id="cellrendererpixbuf1">
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<property name="icon-name">object-select-symbolic</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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</object>
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<packing>
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<property name="left_attach">1</property>
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<property name="top_attach">1</property>
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</packing>
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</child>
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<child>
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<object class="GtkLabel" id="label2">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="label" translatable="yes">Computed Columns</property>
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<property name="xalign">0</property>
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<attributes>
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<attribute name="weight" value="bold"/>
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</attributes>
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</object>
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<packing>
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<property name="left_attach">1</property>
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<property name="top_attach">0</property>
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</packing>
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</child>
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<child>
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<object class="GtkLabel" id="label3">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="label" translatable="yes">Filtered</property>
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<property name="xalign">0</property>
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<attributes>
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<attribute name="weight" value="bold"/>
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</attributes>
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</object>
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<packing>
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<property name="left_attach">0</property>
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<property name="top_attach">2</property>
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</packing>
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</child>
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<child>
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<object class="GtkTreeView" id="treeview3">
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<property name="visible">True</property>
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<property name="can_focus">True</property>
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<property name="headers_clickable">False</property>
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<property name="search_column">0</property>
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<child internal-child="selection">
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<object class="GtkTreeSelection" id="treeview-selection5"/>
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</child>
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<child>
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<object class="GtkTreeViewColumn" id="treeviewcolumn7">
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<property name="title" translatable="yes">Width</property>
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<child>
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<object class="GtkCellRendererText" id="cellrenderertext6"/>
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</child>
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</object>
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</child>
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<child>
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<object class="GtkTreeViewColumn" id="treeviewcolumn8">
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<property name="title" translatable="yes">Height</property>
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<child>
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<object class="GtkCellRendererText" id="cellrenderertext7"/>
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</child>
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</object>
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</child>
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</object>
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<packing>
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<property name="left_attach">0</property>
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<property name="top_attach">3</property>
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</packing>
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</child>
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<child>
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<placeholder/>
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</child>
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<child>
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<placeholder/>
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</child>
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</object>
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</child>
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</object>
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</interface>
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