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gtk3-demo: Make the filter model example more interesting

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Allow editing values in the first treeview, to see the derived
models update in real time.
This commit is contained in:
Matthias Clasen 2016-06-19 23:54:07 -04:00
parent 8a2812217b
commit e01f35ef5f
2 changed files with 43 additions and 3 deletions
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30
demos/gtk-demo/filtermodel.c
View File

@ -6,6 +6,7 @@
*/ */
#include <gtk/gtk.h> #include <gtk/gtk.h>
#include <stdlib.h>
enum { enum {
WIDTH_COLUMN, WIDTH_COLUMN,
@ -83,6 +84,28 @@ visible_func (GtkTreeModel *model,
return width < 10; return width < 10;
} }
static void
cell_edited (GtkCellRendererSpin *cell,
const char *path_string,
const char *new_text,
GtkListStore *store)
{
int val;
GtkTreePath *path;
GtkTreeIter iter;
int column;
path = gtk_tree_path_new_from_string (path_string);
gtk_tree_model_get_iter (GTK_TREE_MODEL (store), &iter, path);
gtk_tree_path_free (path);
column = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (cell), "column"));
val = atoi (new_text);
gtk_list_store_set (store, &iter, column, val, -1);
}
GtkWidget * GtkWidget *
do_filtermodel (GtkWidget *do_widget) do_filtermodel (GtkWidget *do_widget)
{ {
@ -106,15 +129,21 @@ do_filtermodel (GtkWidget *do_widget)
g_signal_connect (window, "destroy", g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed), &window); G_CALLBACK (gtk_widget_destroyed), &window);
store = (GtkListStore*)gtk_builder_get_object (builder, "liststore1");
column = (GtkTreeViewColumn*)gtk_builder_get_object (builder, "treeviewcolumn1"); column = (GtkTreeViewColumn*)gtk_builder_get_object (builder, "treeviewcolumn1");
cell = (GtkCellRenderer*)gtk_builder_get_object (builder, "cellrenderertext1"); cell = (GtkCellRenderer*)gtk_builder_get_object (builder, "cellrenderertext1");
gtk_tree_view_column_set_cell_data_func (column, cell, gtk_tree_view_column_set_cell_data_func (column, cell,
format_number, GINT_TO_POINTER (WIDTH_COLUMN), NULL); format_number, GINT_TO_POINTER (WIDTH_COLUMN), NULL);
g_object_set_data (G_OBJECT (cell), "column", GINT_TO_POINTER (WIDTH_COLUMN));
g_signal_connect (cell, "edited", G_CALLBACK (cell_edited), store);
column = (GtkTreeViewColumn*)gtk_builder_get_object (builder, "treeviewcolumn2"); column = (GtkTreeViewColumn*)gtk_builder_get_object (builder, "treeviewcolumn2");
cell = (GtkCellRenderer*)gtk_builder_get_object (builder, "cellrenderertext2"); cell = (GtkCellRenderer*)gtk_builder_get_object (builder, "cellrenderertext2");
gtk_tree_view_column_set_cell_data_func (column, cell, gtk_tree_view_column_set_cell_data_func (column, cell,
format_number, GINT_TO_POINTER (HEIGHT_COLUMN), NULL); format_number, GINT_TO_POINTER (HEIGHT_COLUMN), NULL);
g_object_set_data (G_OBJECT (cell), "column", GINT_TO_POINTER (HEIGHT_COLUMN));
g_signal_connect (cell, "edited", G_CALLBACK (cell_edited), store);
column = (GtkTreeViewColumn*)gtk_builder_get_object (builder, "treeviewcolumn3"); column = (GtkTreeViewColumn*)gtk_builder_get_object (builder, "treeviewcolumn3");
cell = (GtkCellRenderer*)gtk_builder_get_object (builder, "cellrenderertext3"); cell = (GtkCellRenderer*)gtk_builder_get_object (builder, "cellrenderertext3");
@ -135,7 +164,6 @@ do_filtermodel (GtkWidget *do_widget)
cell = (GtkCellRenderer*)gtk_builder_get_object (builder, "cellrendererpixbuf1"); cell = (GtkCellRenderer*)gtk_builder_get_object (builder, "cellrendererpixbuf1");
gtk_tree_view_column_add_attribute (column, cell, "visible", SQUARE_COLUMN); gtk_tree_view_column_add_attribute (column, cell, "visible", SQUARE_COLUMN);
store = (GtkListStore*)gtk_builder_get_object (builder, "liststore1");
tree = (GtkWidget*)gtk_builder_get_object (builder, "treeview2"); tree = (GtkWidget*)gtk_builder_get_object (builder, "treeview2");
types[WIDTH_COLUMN] = G_TYPE_INT; types[WIDTH_COLUMN] = G_TYPE_INT;

16
demos/gtk-demo/filtermodel.ui
View File

@ -24,6 +24,12 @@
</row> </row>
</data> </data>
</object> </object>
<object class="GtkAdjustment" id="adj">
<property name="lower">5</property>
<property name="upper">50</property>
<property name="step-increment">1</property>
<property name="page-increment">5</property>
</object>
<object class="GtkWindow" id="window1"> <object class="GtkWindow" id="window1">
<property name="title" translatable="yes">Filter Model</property> <property name="title" translatable="yes">Filter Model</property>
<child> <child>
@ -63,7 +69,10 @@
<object class="GtkTreeViewColumn" id="treeviewcolumn1"> <object class="GtkTreeViewColumn" id="treeviewcolumn1">
<property name="title" translatable="yes">Width</property> <property name="title" translatable="yes">Width</property>
<child> <child>
<object class="GtkCellRendererText" id="cellrenderertext1"/> <object class="GtkCellRendererSpin" id="cellrenderertext1">
<property name="editable">1</property>
<property name="adjustment">adj</property>
</object>
</child> </child>
</object> </object>
</child> </child>
@ -71,7 +80,10 @@
<object class="GtkTreeViewColumn" id="treeviewcolumn2"> <object class="GtkTreeViewColumn" id="treeviewcolumn2">
<property name="title" translatable="yes">Height</property> <property name="title" translatable="yes">Height</property>
<child> <child>
<object class="GtkCellRendererText" id="cellrenderertext2"/> <object class="GtkCellRendererSpin" id="cellrenderertext2">
<property name="editable">1</property>
<property name="adjustment">adj</property>
</object>
</child> </child>
</object> </object>
</child> </child>