gtk2/tests/testselectionmode.c
Matthias Clasen 7ecf5c43e0 Add a selection mode testcase
This shows what one currently has to do manually to get the typical
selection mode with blue headerbar and checkboxes in list rows.
The goal is to make this easier.
2014-08-08 13:30:54 +02:00

215 lines
6.6 KiB
C

#include <gtk/gtk.h>
typedef struct {
GtkListBoxRow parent;
GtkWidget *box;
GtkWidget *revealer;
GtkWidget *check;
} SelectableRow;
typedef struct {
GtkListBoxRowClass parent_class;
} SelectableRowClass;
G_DEFINE_TYPE (SelectableRow, selectable_row, GTK_TYPE_LIST_BOX_ROW)
static void
selectable_row_init (SelectableRow *row)
{
row->box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
row->revealer = gtk_revealer_new ();
gtk_revealer_set_transition_type (GTK_REVEALER (row->revealer), GTK_REVEALER_TRANSITION_TYPE_SLIDE_RIGHT);
row->check = gtk_check_button_new ();
g_object_set (row->check, "margin", 10, NULL);
gtk_widget_show (row->box);
gtk_widget_show (row->check);
gtk_container_add (GTK_CONTAINER (row), row->box);
gtk_container_add (GTK_CONTAINER (row->box), row->revealer);
gtk_container_add (GTK_CONTAINER (row->revealer), row->check);
}
void
selectable_row_add (SelectableRow *row, GtkWidget *child)
{
gtk_container_add (GTK_CONTAINER (row->box), child);
}
static void
update_selectable (GtkWidget *widget, gpointer data)
{
SelectableRow *row = (SelectableRow *)widget;
GtkListBox *list;
list = GTK_LIST_BOX (gtk_widget_get_parent (widget));
if (gtk_list_box_get_selection_mode (list) != GTK_SELECTION_NONE)
gtk_revealer_set_reveal_child (GTK_REVEALER (row->revealer), TRUE);
else
gtk_revealer_set_reveal_child (GTK_REVEALER (row->revealer), FALSE);
}
static void
update_selected (GtkWidget *widget, gpointer data)
{
SelectableRow *row = (SelectableRow *)widget;
if (gtk_list_box_row_is_selected (GTK_LIST_BOX_ROW (row)))
{
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (row->check), TRUE);
gtk_widget_unset_state_flags (widget, GTK_STATE_FLAG_SELECTED);
}
else
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (row->check), FALSE);
}
static void
selectable_row_class_init (SelectableRowClass *class)
{
}
GtkWidget *
selectable_row_new (void)
{
return GTK_WIDGET (g_object_new (selectable_row_get_type (), NULL));
}
static void
add_row (GtkWidget *list, gint i)
{
GtkWidget *row;
GtkWidget *label;
gchar *text;
row = selectable_row_new ();
text = g_strdup_printf ("Docker %d", i);
label = gtk_label_new (text);
gtk_widget_set_halign (label, GTK_ALIGN_START);
selectable_row_add ((SelectableRow*)row, label);
g_free (text);
gtk_list_box_insert (GTK_LIST_BOX (list), row, -1);
}
static void
selection_mode_enter (GtkButton *button, GtkBuilder *builder)
{
GtkWidget *header;
GtkWidget *list;
GtkWidget *headerbutton;
GtkWidget *cancelbutton;
GtkWidget *selectbutton;
GtkWidget *titlestack;
header = GTK_WIDGET (gtk_builder_get_object (builder, "header"));
list = GTK_WIDGET (gtk_builder_get_object (builder, "list"));
headerbutton = GTK_WIDGET (gtk_builder_get_object (builder, "headerbutton"));
cancelbutton = GTK_WIDGET (gtk_builder_get_object (builder, "cancel-button"));
selectbutton = GTK_WIDGET (gtk_builder_get_object (builder, "select-button"));
titlestack = GTK_WIDGET (gtk_builder_get_object (builder, "titlestack"));
gtk_style_context_add_class (gtk_widget_get_style_context (header), "selection-mode");
gtk_header_bar_set_show_close_button (GTK_HEADER_BAR (header), FALSE);
gtk_widget_hide (headerbutton);
gtk_widget_hide (selectbutton);
gtk_widget_show (cancelbutton);
gtk_stack_set_visible_child_name (GTK_STACK (titlestack), "selection");
gtk_list_box_set_activate_on_single_click (GTK_LIST_BOX (list), FALSE);
gtk_list_box_set_selection_mode (GTK_LIST_BOX (list), GTK_SELECTION_MULTIPLE);
gtk_container_forall (GTK_CONTAINER (list), update_selectable, NULL);
}
static void
selection_mode_leave (GtkButton *button, GtkBuilder *builder)
{
GtkWidget *header;
GtkWidget *list;
GtkWidget *headerbutton;
GtkWidget *cancelbutton;
GtkWidget *selectbutton;
GtkWidget *titlestack;
header = GTK_WIDGET (gtk_builder_get_object (builder, "header"));
list = GTK_WIDGET (gtk_builder_get_object (builder, "list"));
headerbutton = GTK_WIDGET (gtk_builder_get_object (builder, "headerbutton"));
cancelbutton = GTK_WIDGET (gtk_builder_get_object (builder, "cancel-button"));
selectbutton = GTK_WIDGET (gtk_builder_get_object (builder, "select-button"));
titlestack = GTK_WIDGET (gtk_builder_get_object (builder, "titlestack"));
gtk_style_context_remove_class (gtk_widget_get_style_context (header), "selection-mode");
gtk_header_bar_set_show_close_button (GTK_HEADER_BAR (header), TRUE);
gtk_widget_show (headerbutton);
gtk_widget_show (selectbutton);
gtk_widget_hide (cancelbutton);
gtk_stack_set_visible_child_name (GTK_STACK (titlestack), "title");
gtk_list_box_set_activate_on_single_click (GTK_LIST_BOX (list), TRUE);
gtk_list_box_set_selection_mode (GTK_LIST_BOX (list), GTK_SELECTION_NONE);
gtk_container_forall (GTK_CONTAINER (list), update_selectable, NULL);
}
static void
select_all (GAction *action, GVariant *param, GtkWidget *list)
{
gtk_list_box_select_all (GTK_LIST_BOX (list));
}
static void
select_none (GAction *action, GVariant *param, GtkWidget *list)
{
gtk_list_box_unselect_all (GTK_LIST_BOX (list));
}
static void
selected_rows_changed (GtkListBox *list)
{
gtk_container_forall (GTK_CONTAINER (list), update_selected, NULL);
}
int
main (int argc, char *argv[])
{
GtkBuilder *builder;
GtkWidget *window;
GtkWidget *list;
GtkWidget *button;
gint i;
GSimpleActionGroup *group;
GSimpleAction *action;
gtk_init (NULL, NULL);
builder = gtk_builder_new_from_file ("selectionmode.ui");
window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
list = GTK_WIDGET (gtk_builder_get_object (builder, "list"));
group = g_simple_action_group_new ();
action = g_simple_action_new ("select-all", NULL);
g_signal_connect (action, "activate", G_CALLBACK (select_all), list);
g_action_map_add_action (G_ACTION_MAP (group), G_ACTION (action));
action = g_simple_action_new ("select-none", NULL);
g_signal_connect (action, "activate", G_CALLBACK (select_none), list);
g_action_map_add_action (G_ACTION_MAP (group), G_ACTION (action));
gtk_widget_insert_action_group (window, "win", G_ACTION_GROUP (group));
for (i = 0; i < 10; i++)
add_row (list, i);
button = GTK_WIDGET (gtk_builder_get_object (builder, "select-button"));
g_signal_connect (button, "clicked", G_CALLBACK (selection_mode_enter), builder);
button = GTK_WIDGET (gtk_builder_get_object (builder, "cancel-button"));
g_signal_connect (button, "clicked", G_CALLBACK (selection_mode_leave), builder);
g_signal_connect (list, "selected-rows-changed", G_CALLBACK (selected_rows_changed), NULL);
gtk_widget_show_all (window);
gtk_main ();
return 0;
}