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Learning_GTK4_tree/tests/testiconview.c

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/* testiconview.c
* Copyright (C) 2002 Anders Carlsson <andersca@gnu.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <gtk/gtk.h>
#include <glib/gstdio.h>
#include <sys/types.h>
#include <string.h>
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
#define NUMBER_OF_ITEMS 10
#define SOME_ITEMS 100
#define MANY_ITEMS 10000
static void
fill_model (GtkTreeModel *model)
{
GdkPixbuf *pixbuf;
int i;
char *str, *str2;
GtkTreeIter iter;
GtkListStore *store = GTK_LIST_STORE (model);
gint32 size;
pixbuf = gdk_pixbuf_new_from_file ("gnome-textfile.png", NULL);
i = 0;
gtk_list_store_prepend (store, &iter);
gtk_list_store_set (store, &iter,
0, pixbuf,
1, "Really really\nreally really loooooooooong item name",
2, 0,
3, "This is a <b>Test</b> of <i>markup</i>",
4, TRUE,
-1);
while (i < NUMBER_OF_ITEMS - 1)
{
GdkPixbuf *pb;
size = g_random_int_range (20, 70);
pb = gdk_pixbuf_scale_simple (pixbuf, size, size, GDK_INTERP_NEAREST);
str = g_strdup_printf ("Icon %d", i);
str2 = g_strdup_printf ("Icon <b>%d</b>", i);
gtk_list_store_prepend (store, &iter);
gtk_list_store_set (store, &iter,
0, pb,
1, str,
2, i,
3, str2,
4, TRUE,
-1);
g_free (str);
g_free (str2);
i++;
}
// gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (store), 2, GTK_SORT_ASCENDING);
}
static GtkTreeModel *
create_model (void)
{
GtkListStore *store;
store = gtk_list_store_new (5, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_INT, G_TYPE_STRING, G_TYPE_BOOLEAN);
return GTK_TREE_MODEL (store);
}
static void
foreach_selected_remove (GtkWidget *button, GtkIconView *icon_list)
{
GtkTreeIter iter;
GtkTreeModel *model;
GList *list, *selected;
selected = gtk_icon_view_get_selected_items (icon_list);
model = gtk_icon_view_get_model (icon_list);
for (list = selected; list; list = list->next)
{
GtkTreePath *path = list->data;
gtk_tree_model_get_iter (model, &iter, path);
gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
gtk_tree_path_free (path);
}
g_list_free (selected);
}
static void
swap_rows (GtkWidget *button, GtkIconView *icon_list)
{
GtkTreeIter iter, iter2;
GtkTreeModel *model;
model = gtk_icon_view_get_model (icon_list);
gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (model), -2, GTK_SORT_ASCENDING);
gtk_tree_model_get_iter_first (model, &iter);
iter2 = iter;
gtk_tree_model_iter_next (model, &iter2);
gtk_list_store_swap (GTK_LIST_STORE (model), &iter, &iter2);
}
static void
add_n_items (GtkIconView *icon_list, int n)
{
static int count = NUMBER_OF_ITEMS;
GtkTreeIter iter;
GtkListStore *store;
GdkPixbuf *pixbuf;
char *str, *str2;
int i;
store = GTK_LIST_STORE (gtk_icon_view_get_model (icon_list));
pixbuf = gdk_pixbuf_new_from_file ("gnome-textfile.png", NULL);
for (i = 0; i < n; i++)
{
str = g_strdup_printf ("Icon %d", count);
str2 = g_strdup_printf ("Icon <b>%d</b>", count);
gtk_list_store_prepend (store, &iter);
gtk_list_store_set (store, &iter,
0, pixbuf,
1, str,
2, i,
3, str2,
-1);
g_free (str);
g_free (str2);
count++;
}
}
static void
add_some (GtkWidget *button, GtkIconView *icon_list)
{
add_n_items (icon_list, SOME_ITEMS);
}
static void
add_many (GtkWidget *button, GtkIconView *icon_list)
{
add_n_items (icon_list, MANY_ITEMS);
}
static void
add_large (GtkWidget *button, GtkIconView *icon_list)
{
GtkListStore *store;
GtkTreeIter iter;
GdkPixbuf *pixbuf, *pb;
char *str;
store = GTK_LIST_STORE (gtk_icon_view_get_model (icon_list));
pixbuf = gdk_pixbuf_new_from_file ("gnome-textfile.png", NULL);
pb = gdk_pixbuf_scale_simple (pixbuf,
2 * gdk_pixbuf_get_width (pixbuf),
2 * gdk_pixbuf_get_height (pixbuf),
GDK_INTERP_BILINEAR);
str = g_strdup_printf ("Some really long text");
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
0, pb,
1, str,
2, 0,
3, str,
-1);
g_object_unref (pb);
g_free (str);
pb = gdk_pixbuf_scale_simple (pixbuf,
3 * gdk_pixbuf_get_width (pixbuf),
3 * gdk_pixbuf_get_height (pixbuf),
GDK_INTERP_BILINEAR);
str = g_strdup ("see how long text behaves when placed underneath "
"an oversized icon which would allow for long lines");
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
0, pb,
1, str,
2, 1,
3, str,
-1);
g_object_unref (pb);
g_free (str);
pb = gdk_pixbuf_scale_simple (pixbuf,
3 * gdk_pixbuf_get_width (pixbuf),
3 * gdk_pixbuf_get_height (pixbuf),
GDK_INTERP_BILINEAR);
str = g_strdup ("short text");
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
0, pb,
1, str,
2, 2,
3, str,
-1);
g_object_unref (pb);
g_free (str);
g_object_unref (pixbuf);
}
static void
select_all (GtkWidget *button, GtkIconView *icon_list)
{
gtk_icon_view_select_all (icon_list);
}
static void
select_nonexisting (GtkWidget *button, GtkIconView *icon_list)
{
GtkTreePath *path = gtk_tree_path_new_from_indices (999999, -1);
gtk_icon_view_select_path (icon_list, path);
gtk_tree_path_free (path);
}
static void
unselect_all (GtkWidget *button, GtkIconView *icon_list)
{
gtk_icon_view_unselect_all (icon_list);
}
static void
selection_changed (GtkIconView *icon_list)
{
g_print ("Selection changed!\n");
}
typedef struct {
GtkIconView *icon_list;
GtkTreePath *path;
} ItemData;
static void
free_item_data (ItemData *data)
{
gtk_tree_path_free (data->path);
g_free (data);
}
static void
item_activated (GtkIconView *icon_view,
GtkTreePath *path)
{
GtkTreeIter iter;
GtkTreeModel *model;
char *text;
model = gtk_icon_view_get_model (icon_view);
gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_model_get (model, &iter, 1, &text, -1);
g_print ("Item activated, text is %s\n", text);
g_free (text);
}
static void
toggled (GtkCellRendererToggle *cell,
char *path_string,
gpointer data)
{
GtkTreeModel *model = GTK_TREE_MODEL (data);
GtkTreeIter iter;
GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
gboolean value;
gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_model_get (model, &iter, 4, &value, -1);
value = !value;
gtk_list_store_set (GTK_LIST_STORE (model), &iter, 4, value, -1);
gtk_tree_path_free (path);
}
static void
edited (GtkCellRendererText *cell,
char *path_string,
char *new_text,
gpointer data)
{
GtkTreeModel *model = GTK_TREE_MODEL (data);
GtkTreeIter iter;
GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
gtk_tree_model_get_iter (model, &iter, path);
gtk_list_store_set (GTK_LIST_STORE (model), &iter, 1, new_text, -1);
gtk_tree_path_free (path);
}
static void
item_cb (GtkWidget *menuitem,
ItemData *data)
{
item_activated (data->icon_list, data->path);
}
static void
do_popup_menu (GtkWidget *icon_list,
GtkTreePath *path)
{
GtkIconView *icon_view = GTK_ICON_VIEW (icon_list);
GtkWidget *menu;
GtkWidget *item;
ItemData *data;
if (!path)
return;
menu = gtk_popover_new ();
gtk_widget_set_parent (menu, icon_list);
data = g_new0 (ItemData, 1);
data->icon_list = icon_view;
data->path = path;
g_object_set_data_full (G_OBJECT (menu), "item-path", data, (GDestroyNotify)free_item_data);
item = gtk_button_new_with_label ("Activate");
gtk_popover_set_child (GTK_POPOVER (menu), item);
g_signal_connect (item, "clicked", G_CALLBACK (item_cb), data);
gtk_popover_popup (GTK_POPOVER (menu));
}
static void
press_handler (GtkGestureClick *gesture,
guint n_press,
double x,
double y,
GtkWidget *widget)
{
GtkTreePath *path = NULL;
/* Ignore double-clicks and triple-clicks */
if (n_press > 1)
return;
path = gtk_icon_view_get_path_at_pos (GTK_ICON_VIEW (widget), x, y);
do_popup_menu (widget, path);
}
static gboolean
popup_menu_handler (GtkWidget *widget)
{
GtkTreePath *path = NULL;
GList *list;
list = gtk_icon_view_get_selected_items (GTK_ICON_VIEW (widget));
if (list)
{
path = (GtkTreePath*)list->data;
g_list_free_full (list, (GDestroyNotify) gtk_tree_path_free);
}
do_popup_menu (widget, path);
return TRUE;
}
int
main (int argc, char **argv)
{
GtkWidget *paned, *tv;
GtkWidget *window, *icon_list, *scrolled_window;
GtkWidget *vbox, *bbox;
GtkWidget *button;
GtkTreeModel *model;
GtkCellRenderer *cell;
GtkTreeViewColumn *tvc;
GdkContentFormats *targets;
GtkGesture *gesture;
#ifdef GTK_SRCDIR
g_chdir (GTK_SRCDIR);
#endif
gtk_init ();
/* to test rtl layout, set RTL=1 in the environment */
if (g_getenv ("RTL"))
gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
window = gtk_window_new ();
gtk_window_set_default_size (GTK_WINDOW (window), 700, 400);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_window_set_child (GTK_WINDOW (window), vbox);
paned = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
gtk_widget_set_vexpand (paned, TRUE);
gtk_box_append (GTK_BOX (vbox), paned);
icon_list = gtk_icon_view_new ();
gtk_icon_view_set_selection_mode (GTK_ICON_VIEW (icon_list), GTK_SELECTION_MULTIPLE);
tv = gtk_tree_view_new ();
tvc = gtk_tree_view_column_new ();
gtk_tree_view_append_column (GTK_TREE_VIEW (tv), tvc);
gesture = gtk_gesture_click_new ();
gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (gesture),
GDK_BUTTON_SECONDARY);
g_signal_connect (gesture, "pressed",
G_CALLBACK (press_handler), icon_list);
gtk_widget_add_controller (icon_list, GTK_EVENT_CONTROLLER (gesture));
g_signal_connect (icon_list, "selection_changed",
G_CALLBACK (selection_changed), NULL);
g_signal_connect (icon_list, "popup_menu",
G_CALLBACK (popup_menu_handler), NULL);
g_signal_connect (icon_list, "item_activated",
G_CALLBACK (item_activated), NULL);
model = create_model ();
gtk_icon_view_set_model (GTK_ICON_VIEW (icon_list), model);
gtk_tree_view_set_model (GTK_TREE_VIEW (tv), model);
fill_model (model);
#if 0
gtk_icon_view_set_pixbuf_column (GTK_ICON_VIEW (icon_list), 0);
gtk_icon_view_set_text_column (GTK_ICON_VIEW (icon_list), 1);
#else
cell = gtk_cell_renderer_toggle_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (icon_list), cell, FALSE);
g_object_set (cell, "activatable", TRUE, NULL);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (icon_list),
cell, "active", 4, NULL);
g_signal_connect (cell, "toggled", G_CALLBACK (toggled), model);
cell = gtk_cell_renderer_pixbuf_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (icon_list), cell, FALSE);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (icon_list),
cell, "pixbuf", 0, NULL);
cell = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (icon_list), cell, FALSE);
g_object_set (cell,
"editable", TRUE,
"xalign", 0.5,
"wrap-mode", PANGO_WRAP_WORD_CHAR,
"wrap-width", 100,
NULL);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (icon_list),
cell, "text", 1, NULL);
g_signal_connect (cell, "edited", G_CALLBACK (edited), model);
/* now the tree view... */
cell = gtk_cell_renderer_toggle_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (tvc), cell, FALSE);
g_object_set (cell, "activatable", TRUE, NULL);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (tvc),
cell, "active", 4, NULL);
g_signal_connect (cell, "toggled", G_CALLBACK (toggled), model);
cell = gtk_cell_renderer_pixbuf_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (tvc), cell, FALSE);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (tvc),
cell, "pixbuf", 0, NULL);
cell = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (tvc), cell, FALSE);
g_object_set (cell, "editable", TRUE, NULL);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (tvc),
cell, "text", 1, NULL);
g_signal_connect (cell, "edited", G_CALLBACK (edited), model);
#endif
/* Allow DND between the icon view and the tree view */
targets = gdk_content_formats_new_for_gtype (GTK_TYPE_TREE_ROW_DATA);
gtk_icon_view_enable_model_drag_source (GTK_ICON_VIEW (icon_list),
GDK_BUTTON1_MASK,
targets,
GDK_ACTION_MOVE);
gtk_icon_view_enable_model_drag_dest (GTK_ICON_VIEW (icon_list),
targets,
GDK_ACTION_MOVE);
gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (tv),
GDK_BUTTON1_MASK,
targets,
GDK_ACTION_MOVE);
gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (tv),
targets,
GDK_ACTION_MOVE);
gdk_content_formats_unref (targets);
scrolled_window = gtk_scrolled_window_new ();
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (scrolled_window), icon_list);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_paned_set_start_child (GTK_PANED (paned), scrolled_window);
scrolled_window = gtk_scrolled_window_new ();
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (scrolled_window), tv);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_paned_set_end_child (GTK_PANED (paned), scrolled_window);
bbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_widget_set_halign (bbox, GTK_ALIGN_START);
gtk_box_append (GTK_BOX (vbox), bbox);
button = gtk_button_new_with_label ("Add some");
g_signal_connect (button, "clicked", G_CALLBACK (add_some), icon_list);
gtk_box_append (GTK_BOX (bbox), button);
button = gtk_button_new_with_label ("Add many");
g_signal_connect (button, "clicked", G_CALLBACK (add_many), icon_list);
gtk_box_append (GTK_BOX (bbox), button);
button = gtk_button_new_with_label ("Add large");
g_signal_connect (button, "clicked", G_CALLBACK (add_large), icon_list);
gtk_box_append (GTK_BOX (bbox), button);
button = gtk_button_new_with_label ("Remove selected");
g_signal_connect (button, "clicked", G_CALLBACK (foreach_selected_remove), icon_list);
gtk_box_append (GTK_BOX (bbox), button);
button = gtk_button_new_with_label ("Swap");
g_signal_connect (button, "clicked", G_CALLBACK (swap_rows), icon_list);
gtk_box_append (GTK_BOX (bbox), button);
bbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_widget_set_halign (bbox, GTK_ALIGN_START);
gtk_box_append (GTK_BOX (vbox), bbox);
button = gtk_button_new_with_label ("Select all");
g_signal_connect (button, "clicked", G_CALLBACK (select_all), icon_list);
gtk_box_append (GTK_BOX (bbox), button);
button = gtk_button_new_with_label ("Unselect all");
g_signal_connect (button, "clicked", G_CALLBACK (unselect_all), icon_list);
gtk_box_append (GTK_BOX (bbox), button);
button = gtk_button_new_with_label ("Select nonexisting");
g_signal_connect (button, "clicked", G_CALLBACK (select_nonexisting), icon_list);
gtk_box_append (GTK_BOX (bbox), button);
icon_list = gtk_icon_view_new ();
scrolled_window = gtk_scrolled_window_new ();
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (scrolled_window), icon_list);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_paned_set_end_child (GTK_PANED (paned), scrolled_window);
gtk_window_present (GTK_WINDOW (window));
while (TRUE)
g_main_context_iteration (NULL, TRUE);
return 0;
}
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