gtk/tests/testtreeedit.c
Matthias Clasen 386b63b85d scrolledwindow: Don't take adjustments in new()
In 99.9% of all cases, these are just NULL, NULL.
So just do away with these arguments, people can
use the setters for the rare cases where they want
the scrolled window to use a different adjustment.
2020-06-24 11:25:09 -04:00

403 lines
12 KiB
C

/* testtreeedit.c
* Copyright (C) 2001 Red Hat, Inc
* Author: Jonathan Blandford
*
* 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 "config.h"
#include <gtk/gtk.h>
typedef struct {
const gchar *string;
gboolean is_editable;
gboolean is_sensitive;
gint progress;
} ListEntry;
enum {
STRING_COLUMN,
IS_EDITABLE_COLUMN,
IS_SENSITIVE_COLUMN,
ICON_NAME_COLUMN,
LAST_ICON_NAME_COLUMN,
PROGRESS_COLUMN,
NUM_COLUMNS
};
static ListEntry model_strings[] =
{
{"A simple string", TRUE, TRUE, 0 },
{"Another string!", TRUE, TRUE, 10 },
{"", TRUE, TRUE, 0 },
{"Guess what, a third string. This one can't be edited", FALSE, TRUE, 47 },
{"And then a fourth string. Neither can this", FALSE, TRUE, 48 },
{"Multiline\nFun!", TRUE, FALSE, 75 },
{ NULL }
};
static GtkTreeModel *
create_model (void)
{
GtkTreeStore *model;
GtkTreeIter iter;
gint i;
model = gtk_tree_store_new (NUM_COLUMNS,
G_TYPE_STRING,
G_TYPE_BOOLEAN,
G_TYPE_BOOLEAN,
G_TYPE_STRING,
G_TYPE_STRING,
G_TYPE_INT);
for (i = 0; model_strings[i].string != NULL; i++)
{
gtk_tree_store_append (model, &iter, NULL);
gtk_tree_store_set (model, &iter,
STRING_COLUMN, model_strings[i].string,
IS_EDITABLE_COLUMN, model_strings[i].is_editable,
IS_SENSITIVE_COLUMN, model_strings[i].is_sensitive,
ICON_NAME_COLUMN, "document-new",
LAST_ICON_NAME_COLUMN, "edit-delete",
PROGRESS_COLUMN, model_strings[i].progress,
-1);
}
return GTK_TREE_MODEL (model);
}
static void
editable_toggled (GtkCellRendererToggle *cell,
gchar *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, IS_EDITABLE_COLUMN, &value, -1);
value = !value;
gtk_tree_store_set (GTK_TREE_STORE (model), &iter, IS_EDITABLE_COLUMN, value, -1);
gtk_tree_path_free (path);
}
static void
sensitive_toggled (GtkCellRendererToggle *cell,
gchar *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, IS_SENSITIVE_COLUMN, &value, -1);
value = !value;
gtk_tree_store_set (GTK_TREE_STORE (model), &iter, IS_SENSITIVE_COLUMN, value, -1);
gtk_tree_path_free (path);
}
static void
edited (GtkCellRendererText *cell,
gchar *path_string,
gchar *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_tree_store_set (GTK_TREE_STORE (model), &iter, STRING_COLUMN, new_text, -1);
gtk_tree_path_free (path);
}
static void
pressed_cb (GtkGesture *gesture,
int n_press,
double x,
double y,
GtkWidget *widget)
{
/* Deselect if people click outside any row. */
if (!gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (widget), x, y, NULL, NULL, NULL, NULL))
gtk_tree_selection_unselect_all (gtk_tree_view_get_selection (GTK_TREE_VIEW (widget)));
}
typedef struct {
GtkCellArea *area;
GtkCellRenderer *renderer;
} CallbackData;
static void
align_cell_toggled (GtkToggleButton *toggle,
CallbackData *data)
{
gboolean active = gtk_toggle_button_get_active (toggle);
gtk_cell_area_cell_set (data->area, data->renderer, "align", active, NULL);
}
static void
expand_cell_toggled (GtkToggleButton *toggle,
CallbackData *data)
{
gboolean active = gtk_toggle_button_get_active (toggle);
gtk_cell_area_cell_set (data->area, data->renderer, "expand", active, NULL);
}
static void
fixed_cell_toggled (GtkToggleButton *toggle,
CallbackData *data)
{
gboolean active = gtk_toggle_button_get_active (toggle);
gtk_cell_area_cell_set (data->area, data->renderer, "fixed-size", active, NULL);
}
enum {
CNTL_EXPAND,
CNTL_ALIGN,
CNTL_FIXED
};
static void
create_control (GtkWidget *box, gint number, gint cntl, CallbackData *data)
{
GtkWidget *checkbutton;
GCallback callback = NULL;
gchar *name = NULL;
switch (cntl)
{
case CNTL_EXPAND:
name = g_strdup_printf ("Expand Cell #%d", number);
callback = G_CALLBACK (expand_cell_toggled);
break;
case CNTL_ALIGN:
name = g_strdup_printf ("Align Cell #%d", number);
callback = G_CALLBACK (align_cell_toggled);
break;
case CNTL_FIXED:
name = g_strdup_printf ("Fix size Cell #%d", number);
callback = G_CALLBACK (fixed_cell_toggled);
break;
default:
g_assert_not_reached ();
}
checkbutton = gtk_check_button_new_with_label (name);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (checkbutton), cntl == CNTL_FIXED);
gtk_box_append (GTK_BOX (box), checkbutton);
g_signal_connect (G_OBJECT (checkbutton), "toggled", callback, data);
g_free (name);
}
static void
quit_cb (GtkWidget *widget,
gpointer data)
{
gboolean *done = data;
*done = TRUE;
g_main_context_wakeup (NULL);
}
gint
main (gint argc, gchar **argv)
{
GtkWidget *window;
GtkWidget *scrolled_window;
GtkWidget *tree_view;
GtkWidget *vbox, *hbox, *cntl_vbox;
GtkTreeModel *tree_model;
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
GtkCellArea *area;
CallbackData callback[4];
GtkGesture *gesture;
gboolean done = FALSE;
gtk_init ();
if (g_getenv ("RTL"))
gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
window = gtk_window_new ();
gtk_window_set_title (GTK_WINDOW (window), "GtkTreeView editing sample");
g_signal_connect (window, "destroy", G_CALLBACK (quit_cb), &done);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_window_set_child (GTK_WINDOW (window), vbox);
scrolled_window = gtk_scrolled_window_new ();
gtk_scrolled_window_set_has_frame (GTK_SCROLLED_WINDOW (scrolled_window), TRUE);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_widget_set_vexpand (scrolled_window, TRUE);
gtk_box_append (GTK_BOX (vbox), scrolled_window);
tree_model = create_model ();
tree_view = gtk_tree_view_new_with_model (tree_model);
gesture = gtk_gesture_click_new ();
g_signal_connect (gesture, "pressed", G_CALLBACK (pressed_cb), tree_view);
gtk_widget_add_controller (tree_view, GTK_EVENT_CONTROLLER (gesture));
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), TRUE);
column = gtk_tree_view_column_new ();
gtk_tree_view_column_set_title (column, "String");
area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (column));
renderer = gtk_cell_renderer_pixbuf_new ();
gtk_tree_view_column_pack_start (column, renderer, FALSE);
gtk_tree_view_column_set_attributes (column, renderer,
"icon-name", ICON_NAME_COLUMN,
"sensitive", IS_SENSITIVE_COLUMN,
NULL);
callback[0].area = area;
callback[0].renderer = renderer;
renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_column_pack_start (column, renderer, FALSE);
gtk_tree_view_column_set_attributes (column, renderer,
"text", STRING_COLUMN,
"editable", IS_EDITABLE_COLUMN,
"sensitive", IS_SENSITIVE_COLUMN,
NULL);
callback[1].area = area;
callback[1].renderer = renderer;
g_signal_connect (renderer, "edited",
G_CALLBACK (edited), tree_model);
g_object_set (renderer,
"placeholder-text", "Type here",
NULL);
renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_column_pack_start (column, renderer, FALSE);
gtk_tree_view_column_set_attributes (column, renderer,
"text", STRING_COLUMN,
"editable", IS_EDITABLE_COLUMN,
"sensitive", IS_SENSITIVE_COLUMN,
NULL);
callback[2].area = area;
callback[2].renderer = renderer;
g_signal_connect (renderer, "edited",
G_CALLBACK (edited), tree_model);
g_object_set (renderer,
"placeholder-text", "Type here too",
NULL);
renderer = gtk_cell_renderer_pixbuf_new ();
g_object_set (renderer,
"xalign", 0.0,
NULL);
gtk_tree_view_column_pack_start (column, renderer, FALSE);
gtk_tree_view_column_set_attributes (column, renderer,
"icon-name", LAST_ICON_NAME_COLUMN,
"sensitive", IS_SENSITIVE_COLUMN,
NULL);
callback[3].area = area;
callback[3].renderer = renderer;
gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), column);
renderer = gtk_cell_renderer_toggle_new ();
g_signal_connect (renderer, "toggled",
G_CALLBACK (editable_toggled), tree_model);
g_object_set (renderer,
"xalign", 0.0,
NULL);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
-1, "Editable",
renderer,
"active", IS_EDITABLE_COLUMN,
NULL);
renderer = gtk_cell_renderer_toggle_new ();
g_signal_connect (renderer, "toggled",
G_CALLBACK (sensitive_toggled), tree_model);
g_object_set (renderer,
"xalign", 0.0,
NULL);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
-1, "Sensitive",
renderer,
"active", IS_SENSITIVE_COLUMN,
NULL);
renderer = gtk_cell_renderer_progress_new ();
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
-1, "Progress",
renderer,
"value", PROGRESS_COLUMN,
NULL);
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (scrolled_window), tree_view);
gtk_window_set_default_size (GTK_WINDOW (window),
800, 250);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_box_append (GTK_BOX (vbox), hbox);
/* Alignment controls */
cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
gtk_box_append (GTK_BOX (hbox), cntl_vbox);
create_control (cntl_vbox, 1, CNTL_ALIGN, &callback[0]);
create_control (cntl_vbox, 2, CNTL_ALIGN, &callback[1]);
create_control (cntl_vbox, 3, CNTL_ALIGN, &callback[2]);
create_control (cntl_vbox, 4, CNTL_ALIGN, &callback[3]);
/* Expand controls */
cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
gtk_box_append (GTK_BOX (hbox), cntl_vbox);
create_control (cntl_vbox, 1, CNTL_EXPAND, &callback[0]);
create_control (cntl_vbox, 2, CNTL_EXPAND, &callback[1]);
create_control (cntl_vbox, 3, CNTL_EXPAND, &callback[2]);
create_control (cntl_vbox, 4, CNTL_EXPAND, &callback[3]);
/* Fixed controls */
cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
gtk_box_append (GTK_BOX (hbox), cntl_vbox);
create_control (cntl_vbox, 1, CNTL_FIXED, &callback[0]);
create_control (cntl_vbox, 2, CNTL_FIXED, &callback[1]);
create_control (cntl_vbox, 3, CNTL_FIXED, &callback[2]);
create_control (cntl_vbox, 4, CNTL_FIXED, &callback[3]);
gtk_widget_show (window);
while (!done)
g_main_context_iteration (NULL, TRUE);
return 0;
}