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gtk/testsuite/gtk/treeview-scrolling.c
Benjamin Otte 4cf5ca3233 tests: Use gtk_tree_view_wait_for_draw() in treeview-scrolling 
Replace all idle handlers waiting for draw and all manual runs of the
event loop with a call to gtk_tree_view_wait_for_draw().
2013-05-17 20:49:52 +02:00

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/* Scrolling test suite for GtkTreeView
* Copyright (C) 2006 Kristian Rietveld <kris@gtk.org>
* Copyright (C) 2007 Imendio AB, Kristian Rietveld
* Copyright (C) 2009 Kristian Rietveld <kris@gtk.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/* Original v1.0 -- December 26, 2006
* Conversion to GLib/GTK+ test framework during December, 2007
*/
#include <gtk/gtk.h>
#include <unistd.h>
#include <math.h>
#define VIEW_WIDTH 320
#define VIEW_HEIGHT 240
#define N_ROWS 1000
#define BIG_N_ROWS N_ROWS * 100
/*
* To do:
* - Test that nothing happens if the row is fully visible.
* - The tests are dependent on the theme/font (size measurements,
* chosen paths).
* - Convert to proper GTK+ coding style.
* - Briefly test scrolling in tree stores as well.
*
* Important:
* - For tests with "mixed height" models, you must ensure that
* there are only two heights used in total and that the rows with
* height A and B are strictly alternating. The model creation
* functions already do this for you, but take this into account
* when you write a unit test that adds rows to such a created
* model, you must follow this rule otherwise things will break.
*/
/* Constructing models for testing */
static GtkTreeModel *
create_model (gboolean constant)
{
int i;
GtkTreeIter iter;
GtkListStore *store;
store = gtk_list_store_new (1, G_TYPE_STRING);
for (i = 0; i < N_ROWS; i++) {
gtk_list_store_append (store, &iter);
if (constant || i % 2 == 0)
gtk_list_store_set (store, &iter, 0, "Foo", -1);
else
gtk_list_store_set (store, &iter, 0, "Sliff\nSloff\nBleh", -1);
}
return GTK_TREE_MODEL (store);
}
static GtkTreeModel *
create_big_model (gboolean constant)
{
int i;
GtkTreeIter iter;
GtkListStore *store;
store = gtk_list_store_new (1, G_TYPE_STRING);
for (i = 0; i < BIG_N_ROWS; i++) {
gtk_list_store_append (store, &iter);
if (constant || i % 2 == 0)
gtk_list_store_set (store, &iter, 0, "Foo", -1);
else
gtk_list_store_set (store, &iter, 0, "Sliff\nSloff\nBleh", -1);
}
return GTK_TREE_MODEL (store);
}
/*
* Fixtures
*/
typedef struct
{
GtkWidget *window;
GtkWidget *tree_view;
}
ScrollFixture;
static void
scroll_fixture_setup (ScrollFixture *fixture,
GtkTreeModel *model,
gconstpointer test_data)
{
GtkWidget *sw;
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
fixture->window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_NEVER,
GTK_POLICY_ALWAYS);
gtk_container_add (GTK_CONTAINER (fixture->window), sw);
fixture->tree_view = gtk_tree_view_new_with_model (model);
g_object_unref (model);
gtk_scrolled_window_set_min_content_width (GTK_SCROLLED_WINDOW (sw), VIEW_WIDTH);
gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (sw), VIEW_HEIGHT);
gtk_widget_set_size_request (fixture->tree_view, VIEW_WIDTH, VIEW_HEIGHT);
renderer = gtk_cell_renderer_text_new ();
g_object_set (renderer, "editable", TRUE, NULL);
column = gtk_tree_view_column_new_with_attributes ("Title",
renderer,
"text", 0,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (fixture->tree_view), column);
gtk_container_add (GTK_CONTAINER (sw), fixture->tree_view);
}
/* sets up a fixture with a model with constant row heights */
static void
scroll_fixture_constant_setup (ScrollFixture *fixture,
gconstpointer test_data)
{
scroll_fixture_setup (fixture, create_model (TRUE), test_data);
}
/* sets up a fixture with a model with varying row heights */
static void
scroll_fixture_mixed_setup (ScrollFixture *fixture,
gconstpointer test_data)
{
scroll_fixture_setup (fixture, create_model (FALSE), test_data);
}
/* sets up a fixture with a large model with constant row heights */
static void
scroll_fixture_constant_big_setup (ScrollFixture *fixture,
gconstpointer test_data)
{
scroll_fixture_setup (fixture, create_big_model (TRUE), test_data);
}
/* sets up a fixture with a large model with varying row heights */
static void
scroll_fixture_mixed_big_setup (ScrollFixture *fixture,
gconstpointer test_data)
{
scroll_fixture_setup (fixture, create_big_model (FALSE), test_data);
}
/* sets up a fixture with only a single row for the "single row scroll" test */
static void
scroll_fixture_single_setup (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreeStore *store;
GtkTreeIter iter, child;
store = gtk_tree_store_new (1, G_TYPE_STRING);
gtk_tree_store_append (store, &iter, NULL);
gtk_tree_store_set (store, &iter, 0, "Foo", -1);
gtk_tree_store_append (store, &child, &iter);
gtk_tree_store_set (store, &child, 0, "Two\nLines", -1);
/* The teardown will also destroy the model */
scroll_fixture_setup (fixture, GTK_TREE_MODEL (store), test_data);
}
/* sets up a fixture with a tree store */
static void
scroll_fixture_tree_setup (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreeStore *store;
GtkTreeIter iter, child;
int i;
store = gtk_tree_store_new (1, G_TYPE_STRING);
gtk_tree_store_append (store, &iter, NULL);
gtk_tree_store_set (store, &iter, 0, "Root node", -1);
for (i = 0; i < 5; i++) {
gtk_tree_store_append (store, &child, &iter);
gtk_tree_store_set (store, &child, 0, "Child node", -1);
}
for (i = 0; i < 5; i++) {
gtk_tree_store_append (store, &iter, NULL);
gtk_tree_store_set (store, &iter, 0, "Other node", -1);
}
/* The teardown will also destroy the model */
scroll_fixture_setup (fixture, GTK_TREE_MODEL (store), test_data);
}
static void
scroll_fixture_mixed_tree_setup (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreeStore *store;
GtkTreeIter iter, child;
int i;
store = gtk_tree_store_new (1, G_TYPE_STRING);
gtk_tree_store_append (store, &iter, NULL);
gtk_tree_store_set (store, &iter, 0, "Root\nnode", -1);
for (i = 0; i < 5; i++) {
gtk_tree_store_append (store, &child, &iter);
if (i % 2 != 0)
gtk_tree_store_set (store, &child, 0, "Child node", -1);
else
gtk_tree_store_set (store, &child,
0, "Child\nnode", -1);
}
for (i = 0; i < 5; i++) {
gtk_tree_store_append (store, &iter, NULL);
if (i % 2 == 0)
gtk_tree_store_set (store, &iter, 0, "Other node", -1);
else
gtk_tree_store_set (store, &iter, 0, "Other\nnode", -1);
}
/* The teardown will also destroy the model */
scroll_fixture_setup (fixture, GTK_TREE_MODEL (store), test_data);
}
static void
scroll_fixture_teardown (ScrollFixture *fixture,
gconstpointer test_data)
{
gtk_widget_destroy (fixture->window);
}
/*
* Position check and helpers.
*/
enum Pos
{
POS_TOP,
POS_CENTER,
POS_BOTTOM
};
static int
get_row_start_for_index (GtkTreeView *tree_view, int index)
{
gint height1, height2;
gint row_start;
GtkTreePath *path;
GdkRectangle rect;
path = gtk_tree_path_new_from_indices (0, -1);
gtk_tree_view_get_background_area (tree_view, path, NULL, &rect);
height1 = rect.height;
gtk_tree_path_next (path);
gtk_tree_view_get_background_area (tree_view, path, NULL, &rect);
height2 = rect.height;
gtk_tree_path_free (path);
row_start = (index / 2) * height1 + (index / 2) * height2;
if (index % 2)
row_start += height1;
return row_start;
}
static enum Pos
get_pos_from_path (GtkTreeView *tree_view,
GtkTreePath *path,
gdouble row_height,
GtkAdjustment *vadjustment)
{
int row_start;
row_start = get_row_start_for_index (tree_view,
gtk_tree_path_get_indices (path)[0]);
if (row_start + row_height < gtk_adjustment_get_page_size (vadjustment))
return POS_TOP;
if (row_start >= gtk_adjustment_get_upper (vadjustment) - gtk_adjustment_get_page_size (vadjustment))
return POS_BOTTOM;
return POS_CENTER;
}
static void
assert_position_with_align (GtkTreeView *tree_view,
enum Pos pos,
gint row_y,
gint row_start,
gdouble row_height,
gdouble row_align)
{
GtkAdjustment *vadjustment = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (tree_view));
/* Switch on row-align: 0.0, 0.5, 1.0 */
switch ((int)(row_align * 2.)) {
case 0:
if (pos == POS_TOP || pos == POS_CENTER) {
/* The row in question is the first row
* in the view.
* - rect.y should be zero
* - dy should be equal to the top
* y coordinate of the row.
*/
g_assert (row_y == 0);
g_assert (gtk_adjustment_get_value (vadjustment) == row_start);
} else {
/* The row can be anywhere at the last
* page of the tree view.
* - dy is set to the start of the
* last page.
*/
g_assert (gtk_adjustment_get_value (vadjustment) == gtk_adjustment_get_upper (vadjustment) - gtk_adjustment_get_page_size (vadjustment));
}
break;
case 1:
/* 0.5 */
if (pos == POS_TOP
&& row_start < (gtk_adjustment_get_page_size (vadjustment) - row_height) / 2) {
/* For the first half of the top view we can't
* center the row in the view, instead we
* show the first page.
* - dy should be zero
*/
g_assert (gtk_adjustment_get_value (vadjustment) == 0);
} else if (pos == POS_BOTTOM
&& row_start + row_height >= gtk_adjustment_get_upper (vadjustment) - (gtk_adjustment_get_page_size (vadjustment) - row_height) / 2) {
/* For the last half of the bottom view we
* can't center the row in the view, instead
* we show the last page.
* - dy should be the start of the
* last page.
*/
g_assert (gtk_adjustment_get_value (vadjustment) == gtk_adjustment_get_upper (vadjustment) - gtk_adjustment_get_page_size (vadjustment));
} else {
/* The row is located in the middle of
* the view.
* - top y coordinate is equal to
* middle of the view minus
* half the height of the row.
* (ie. the row's center is at the
* center of the view).
*/
gdouble middle = (gtk_adjustment_get_page_size (vadjustment) - row_height) / 2.0;
g_assert (row_y == ceil (middle) || row_y == floor (middle));
}
break;
case 2:
/* 1.0 */
if (pos == POS_TOP) {
/* The row can be anywhere on the
* first page of the tree view.
* - dy is zero.
*/
g_assert (gtk_adjustment_get_value (vadjustment) == 0);
} else if (pos == POS_CENTER || pos == POS_BOTTOM) {
/* The row is the last row visible in the
* view.
* - rect.y is set to the top of the
* last row.
* - row_start is greater than page_size
* (ie we are not on the first page).
* - dy is greater than zero
*/
g_assert (row_start >= gtk_adjustment_get_page_size (vadjustment)
|| row_start + row_height >= gtk_adjustment_get_page_size (vadjustment));
g_assert (row_y == gtk_adjustment_get_page_size (vadjustment) - row_height);
}
break;
}
}
static void
assert_position_without_align (GtkTreeView *tree_view,
gdouble row_start,
gdouble row_height)
{
GtkAdjustment *vadjustment = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (tree_view));
/* Without align the tree view does as less work as possible,
* so basically we only have to check whether the row
* is visible on the screen.
*/
g_assert (gtk_adjustment_get_value (vadjustment) <= row_start);
g_assert (gtk_adjustment_get_value (vadjustment) + gtk_adjustment_get_page_size (vadjustment) >= row_start + row_height);
}
static void
test_position (GtkTreeView *tree_view,
GtkTreePath *path,
gboolean use_align,
gdouble row_align)
{
gint pos;
gchar *path_str;
GdkRectangle rect;
GtkTreeModel *model;
gint row_start;
/* Get the location of the path we scrolled to */
gtk_tree_view_get_background_area (GTK_TREE_VIEW (tree_view),
path, NULL, &rect);
row_start = get_row_start_for_index (GTK_TREE_VIEW (tree_view),
gtk_tree_path_get_indices (path)[0]);
/* Ugh */
pos = get_pos_from_path (GTK_TREE_VIEW (tree_view),
path, rect.height,
gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (tree_view)));
/* This is only tested for during test_single() */
model = gtk_tree_view_get_model (GTK_TREE_VIEW (tree_view));
if (gtk_tree_model_iter_n_children (model, NULL) == 1) {
GtkAllocation allocation;
GtkTreePath *tmppath;
/* Test nothing is dangling at the bottom; read
* description for test_single() for more information.
*/
/* FIXME: hardcoded width */
gtk_widget_get_allocation (GTK_WIDGET (tree_view), &allocation);
if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (tree_view), 0, allocation.height - 30, &tmppath, NULL, NULL, NULL)) {
g_assert_not_reached ();
gtk_tree_path_free (tmppath);
}
}
path_str = gtk_tree_path_to_string (path);
if (use_align) {
assert_position_with_align (tree_view, pos, rect.y,
row_start, rect.height, row_align);
} else {
assert_position_without_align (tree_view, row_start, rect.height);
}
g_free (path_str);
}
/*
* Scrolling code
*/
/* Testing scrolling to various positions with various alignments */
static void
scroll (ScrollFixture *fixture,
GtkTreePath *path,
gboolean use_align,
gdouble row_align)
{
gtk_tree_view_set_cursor (GTK_TREE_VIEW (fixture->tree_view), path,
NULL, FALSE);
gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (fixture->tree_view),
path, NULL,
use_align, row_align, 0.0);
gtk_widget_show_all (fixture->window);
gtk_test_widget_wait_for_draw (fixture->window);
test_position (GTK_TREE_VIEW (fixture->tree_view), path,
use_align, row_align);
}
static void
scroll_no_align (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreePath *path;
path = gtk_tree_path_new_from_string (test_data);
scroll (fixture, path, FALSE, 0.0);
gtk_tree_path_free (path);
}
static void
scroll_align_0_0 (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreePath *path;
path = gtk_tree_path_new_from_string (test_data);
scroll (fixture, path, TRUE, 0.0);
gtk_tree_path_free (path);
}
static void
scroll_align_0_5 (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreePath *path;
path = gtk_tree_path_new_from_string (test_data);
scroll (fixture, path, TRUE, 0.5);
gtk_tree_path_free (path);
}
static void
scroll_align_1_0 (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreePath *path;
path = gtk_tree_path_new_from_string (test_data);
scroll (fixture, path, TRUE, 1.0);
gtk_tree_path_free (path);
}
static void
scroll_after_realize (ScrollFixture *fixture,
GtkTreePath *path,
gboolean use_align,
gdouble row_align)
{
gtk_widget_show_all (fixture->window);
gtk_test_widget_wait_for_draw (fixture->window);
gtk_tree_view_set_cursor (GTK_TREE_VIEW (fixture->tree_view), path,
NULL, FALSE);
gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (fixture->tree_view),
path, NULL,
use_align, row_align, 0.0);
gtk_test_widget_wait_for_draw (fixture->window);
test_position (GTK_TREE_VIEW (fixture->tree_view), path,
use_align, row_align);
}
static void
scroll_after_no_align (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreePath *path;
path = gtk_tree_path_new_from_string (test_data);
scroll_after_realize (fixture, path, FALSE, 0.0);
gtk_tree_path_free (path);
}
static void
scroll_after_align_0_0 (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreePath *path;
path = gtk_tree_path_new_from_string (test_data);
scroll_after_realize (fixture, path, TRUE, 0.0);
gtk_tree_path_free (path);
}
static void
scroll_after_align_0_5 (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreePath *path;
path = gtk_tree_path_new_from_string (test_data);
scroll_after_realize (fixture, path, TRUE, 0.5);
gtk_tree_path_free (path);
}
static void
scroll_after_align_1_0 (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreePath *path;
path = gtk_tree_path_new_from_string (test_data);
scroll_after_realize (fixture, path, TRUE, 1.0);
gtk_tree_path_free (path);
}
static void
scroll_both_realize (ScrollFixture *fixture,
GtkTreePath *path,
gboolean use_align,
gdouble row_align)
{
GtkTreePath *end;
gtk_widget_show_all (fixture->window);
/* Scroll to end */
end = gtk_tree_path_new_from_indices (999, -1);
gtk_tree_view_set_cursor (GTK_TREE_VIEW (fixture->tree_view), end,
NULL, FALSE);
gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (fixture->tree_view),
end, NULL,
use_align, row_align, 0.0);
gtk_tree_path_free (end);
gtk_test_widget_wait_for_draw (fixture->window);
/* Scroll to final position */
gtk_tree_view_set_cursor (GTK_TREE_VIEW (fixture->tree_view), path,
NULL, FALSE);
gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (fixture->tree_view),
path, NULL,
use_align, row_align, 0.0);
gtk_test_widget_wait_for_draw (fixture->window);
test_position (GTK_TREE_VIEW (fixture->tree_view), path,
use_align, row_align);
}
static void
scroll_both_no_align (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreePath *path;
path = gtk_tree_path_new_from_string (test_data);
scroll_both_realize (fixture, path, FALSE, 0.0);
gtk_tree_path_free (path);
}
static void
scroll_both_align_0_0 (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreePath *path;
path = gtk_tree_path_new_from_string (test_data);
scroll_both_realize (fixture, path, TRUE, 0.0);
gtk_tree_path_free (path);
}
static void
scroll_both_align_0_5 (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreePath *path;
path = gtk_tree_path_new_from_string (test_data);
scroll_both_realize (fixture, path, TRUE, 0.5);
gtk_tree_path_free (path);
}
static void
scroll_both_align_1_0 (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreePath *path;
path = gtk_tree_path_new_from_string (test_data);
scroll_both_realize (fixture, path, TRUE, 1.0);
gtk_tree_path_free (path);
}
/* Testing scrolling to a newly created row */
static void
create_new_row (GtkListStore *store,
int n,
GtkTreeIter *iter)
{
switch (n) {
case 0:
/* Prepend a row */
gtk_list_store_prepend (store, iter);
break;
case 3:
/* Add a row in the middle of the visible area */
gtk_list_store_insert (store, iter, 3);
break;
case 4:
/* Add a row in the middle of the visible area */
gtk_list_store_insert (store, iter, 4);
break;
case 5:
/* Add a row which is not completely visible */
gtk_list_store_insert (store, iter, 5);
break;
case 8:
/* Add a row which is not completely visible */
gtk_list_store_insert (store, iter, 8);
break;
case 500:
/* Add a row in the middle */
gtk_list_store_insert (store, iter, 500);
break;
case 999:
/* Append a row */
gtk_list_store_append (store, iter);
break;
}
gtk_list_store_set (store, iter, 0, "New...", -1);
}
static void
scroll_new_row_editing_started (GtkCellRenderer *cell,
GtkCellEditable *editable,
const char *path,
gpointer user_data)
{
GtkWidget **widget = user_data;
*widget = GTK_WIDGET (editable);
}
static void
test_editable_position (GtkWidget *tree_view,
GtkWidget *editable,
GtkTreePath *cursor_path)
{
GtkAllocation allocation;
GdkRectangle rect;
gtk_tree_view_get_background_area (GTK_TREE_VIEW (tree_view),
cursor_path, NULL, &rect);
/* There are all in bin_window coordinates */
gtk_widget_get_allocation (editable, &allocation);
g_assert (allocation.y == rect.y + ((rect.height - allocation.height) / 2));
}
static void
scroll_new_row (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreeIter scroll_iter;
GtkTreePath *scroll_path;
GtkTreeModel *model;
GList *renderers;
GtkTreeViewColumn *column;
GtkWidget *editable;
/* The aim of this test is creating a new row at several places,
* and immediately put the cursor on it. TreeView should correctly
* scroll to the row and show the editable widget.
*
* See #81627.
*/
g_test_bug ("81627");
gtk_widget_show_all (fixture->window);
gtk_test_widget_wait_for_draw (fixture->window);
/* Create the new row and scroll to it */
model = gtk_tree_view_get_model (GTK_TREE_VIEW (fixture->tree_view));
create_new_row (GTK_LIST_STORE (model), GPOINTER_TO_INT (test_data),
&scroll_iter);
/* Set up a signal handler to acquire the editable widget */
column = gtk_tree_view_get_column (GTK_TREE_VIEW (fixture->tree_view), 0);
renderers = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
g_signal_connect (G_OBJECT (renderers->data), "editing-started",
G_CALLBACK (scroll_new_row_editing_started),
&editable);
/* Now set the cursor on the path and start editing */
scroll_path = gtk_tree_model_get_path (model, &scroll_iter);
gtk_tree_view_set_cursor (GTK_TREE_VIEW (fixture->tree_view),
scroll_path,
column,
TRUE);
gtk_test_widget_wait_for_draw (fixture->window);
/* Test position */
test_position (GTK_TREE_VIEW (fixture->tree_view), scroll_path,
FALSE, 0.0);
test_editable_position (fixture->tree_view, editable, scroll_path);
gtk_tree_path_free (scroll_path);
}
static void
scroll_new_row_tree (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreeModel *model;
GtkAdjustment *vadjustment;
int i;
/* The goal of this test is to append new rows at the end of a tree
* store and immediately scroll to them. If there is a parent
* node with a couple of childs in the "area above" to explore,
* this used to lead to unexpected results due to a bug.
*
* This issue has been reported by Miroslav Rajcic on
* gtk-app-devel-list:
* http://mail.gnome.org/archives/gtk-app-devel-list/2008-December/msg00068.html
*/
gtk_widget_show_all (fixture->window);
gtk_tree_view_expand_all (GTK_TREE_VIEW (fixture->tree_view));
gtk_test_widget_wait_for_draw (fixture->window);
model = gtk_tree_view_get_model (GTK_TREE_VIEW (fixture->tree_view));
vadjustment = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (fixture->tree_view));
for (i = 0; i < 5; i++) {
GtkTreeIter scroll_iter;
GtkTreePath *scroll_path;
gtk_tree_store_append (GTK_TREE_STORE (model), &scroll_iter,
NULL);
gtk_tree_store_set (GTK_TREE_STORE (model), &scroll_iter,
0, "New node", -1);
scroll_path = gtk_tree_model_get_path (model, &scroll_iter);
gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (fixture->tree_view),
scroll_path, NULL, FALSE, 0.0, 0.0);
gtk_tree_path_free (scroll_path);
gtk_test_widget_wait_for_draw (fixture->window);
/* Test position, the scroll bar must be at the end */
g_assert (gtk_adjustment_get_value (vadjustment) == gtk_adjustment_get_upper (vadjustment) - gtk_adjustment_get_page_size (vadjustment));
}
}
/* Test for GNOME bugzilla bug 359231; tests "recovery when removing a bunch of
* rows at the bottom.
*/
static void
test_bug316689 (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreeIter iter;
GtkTreePath *path;
GtkAdjustment *vadjustment;
GtkTreeModel *model;
/* The aim of this test is to scroll to the bottom of a TreeView,
* remove at least one page_size of items and check if TreeView
* correctly corrects the scroll bar (else they will look "broken").
*
* See #316689.
*/
g_test_bug ("316689");
/* Scroll to some place close to the end */
path = gtk_tree_path_new_from_indices (N_ROWS - 4, -1);
scroll (fixture, path, FALSE, 0.0);
gtk_tree_path_free (path);
/* No need for a while events pending loop here, scroll() does this for us.
*
* We now remove a bunch of rows, wait for events to process and then
* check the adjustments to see if the TreeView gracefully recovered.
*/
model = gtk_tree_view_get_model (GTK_TREE_VIEW (fixture->tree_view));
while (gtk_tree_model_iter_nth_child (model, &iter, NULL, N_ROWS - 15))
gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
gtk_test_widget_wait_for_draw (fixture->window);
vadjustment = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (fixture->tree_view));
g_assert (gtk_adjustment_get_value (vadjustment) + gtk_adjustment_get_page_size (vadjustment) <= gtk_adjustment_get_upper (vadjustment));
g_assert (gtk_adjustment_get_value (vadjustment) == gtk_adjustment_get_upper (vadjustment) - gtk_adjustment_get_page_size (vadjustment));
}
/* Test for GNOME bugzilla bug 359231 */
static void
test_bug359231 (void)
{
int i;
int height1, height2;
GtkTreePath *path;
GtkTreeIter iter, child;
GtkTreeStore *store;
GdkRectangle rect;
ScrollFixture *fixture;
/* See #359231. */
g_test_bug ("359231");
/* Create model (GtkTreeStore in this case) */
store = gtk_tree_store_new (1, G_TYPE_STRING);
gtk_tree_store_append (store, &iter, NULL);
gtk_tree_store_set (store, &iter, 0, "Foo", -1);
for (i = 0; i < 4; i++) {
gtk_tree_store_append (store, &child, &iter);
gtk_tree_store_set (store, &child, 0, "Two\nLines", -1);
}
fixture = g_new0 (ScrollFixture, 1);
scroll_fixture_setup (fixture, GTK_TREE_MODEL (store), NULL);
gtk_widget_show_all (fixture->window);
gtk_test_widget_wait_for_draw (fixture->window);
/* Prepend some rows at the top, expand */
gtk_tree_store_prepend (store, &iter, NULL);
gtk_tree_store_set (store, &iter, 0, "Foo", -1);
gtk_tree_store_prepend (store, &child, &iter);
gtk_tree_store_set (store, &child, 0, "Two\nLines", -1);
gtk_tree_view_expand_all (GTK_TREE_VIEW (fixture->tree_view));
gtk_test_widget_wait_for_draw (fixture->window);
/* Test if height of row 0:0 is correct */
path = gtk_tree_path_new_from_indices (0, -1);
gtk_tree_view_get_background_area (GTK_TREE_VIEW (fixture->tree_view),
path, NULL, &rect);
height1 = rect.height;
gtk_tree_path_down (path);
gtk_tree_view_get_background_area (GTK_TREE_VIEW (fixture->tree_view),
path, NULL, &rect);
height2 = rect.height;
gtk_tree_path_free (path);
g_assert (height2 > height1);
/* Clean up; the tear down also cleans up the model */
scroll_fixture_teardown (fixture, NULL);
}
/* Test for GNOME bugzilla bug 93584. We add 150 rows to an existing
* small model, and scroll to one of these with alignment.
*/
static void
test_bug93584 (ScrollFixture *fixture,
gconstpointer test_data)
{
int row, i;
GtkTreeStore *store;
GtkTreePath *path;
g_test_bug ("93584");
/* Mimic state as in original test case */
g_signal_connect (G_OBJECT (fixture->tree_view), "realize",
G_CALLBACK (gtk_tree_view_expand_all), NULL);
gtk_widget_show_all (fixture->window);
store = GTK_TREE_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (fixture->tree_view)));
/* Add 150 rows */
for (i = 0; i < 150; i++) {
GtkTreeIter iter;
gtk_tree_store_append (store, &iter, NULL);
gtk_tree_store_set (store, &iter, 0, "Row", -1);
}
row = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (store), NULL);
row -= 20;
gtk_test_widget_wait_for_draw (fixture->window);
path = gtk_tree_path_new_from_indices (row, -1);
scroll (fixture, path, TRUE, 0.5);
gtk_tree_path_free (path);
}
/* GNOME bugzilla bug 111500. Expand a row and immediately scroll
* to its first child. Make sure that expansion happens in currently
* invisible area.
*/
static void
test_bug111500 (ScrollFixture *fixture,
gconstpointer test_data)
{
int i, len;
GtkTreeStore *store;
GtkTreeIter parent;
GtkTreePath *path;
g_test_bug ("111500");
gtk_widget_show_all (fixture->window);
/* Make sure all events have been processed and the window
* is visible.
*/
gtk_test_widget_wait_for_draw (fixture->window);
/* Further prepare model */
store = GTK_TREE_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (fixture->tree_view)));
for (i = 0; i < 15; i++) {
GtkTreeIter iter;
gtk_tree_store_append (store, &iter, NULL);
gtk_tree_store_set (store, &iter, 0, "Other node", -1);
}
len = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (store), NULL);
gtk_tree_model_iter_nth_child (GTK_TREE_MODEL (store), &parent,
NULL, len - 1);
for (i = 0; i < 5; i++) {
GtkTreeIter iter;
gtk_tree_store_append (store, &iter, &parent);
gtk_tree_store_set (store, &iter, 0, "Row", -1);
}
path = gtk_tree_path_new_from_indices (len - 1, -1);
gtk_tree_view_expand_row (GTK_TREE_VIEW (fixture->tree_view),
path, FALSE);
gtk_tree_path_down (path);
scroll (fixture, path, FALSE, 0.5);
gtk_tree_path_free (path);
}
static void
test_bug111500_mixed (ScrollFixture *fixture,
gconstpointer test_data)
{
int i, len;
GtkTreeStore *store;
GtkTreeIter parent;
GtkTreePath *path;
g_test_bug ("111500");
gtk_widget_show_all (fixture->window);
/* Make sure all events have been processed and the window
* is visible.
*/
gtk_test_widget_wait_for_draw (fixture->window);
/* Further prepare model */
store = GTK_TREE_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (fixture->tree_view)));
for (i = 0; i < 15; i++) {
GtkTreeIter iter;
gtk_tree_store_append (store, &iter, NULL);
if (i % 2 == 0)
gtk_tree_store_set (store, &iter, 0, "Other node", -1);
else
gtk_tree_store_set (store, &iter, 0, "Other\nnode", -1);
}
len = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (store), NULL);
gtk_tree_model_iter_nth_child (GTK_TREE_MODEL (store), &parent,
NULL, len - 1);
for (i = 0; i < 5; i++) {
GtkTreeIter iter;
gtk_tree_store_append (store, &iter, &parent);
if (i % 2 != 0)
gtk_tree_store_set (store, &iter, 0, "Row", -1);
else
gtk_tree_store_set (store, &iter, 0, "Row\nRow", -1);
}
path = gtk_tree_path_new_from_indices (len - 1, -1);
gtk_tree_view_expand_row (GTK_TREE_VIEW (fixture->tree_view),
path, FALSE);
gtk_tree_path_down (path);
scroll (fixture, path, FALSE, 0.5);
gtk_tree_path_free (path);
}
/* Test for GNOME bugzilla bug 163214. Invalidate a couple of rows,
* then scroll to one of these.
*/
static void
test_bug163214 (ScrollFixture *fixture,
gconstpointer test_data)
{
int i;
GtkListStore *store;
GtkTreePath *path;
g_test_bug ("163214");
gtk_widget_show_all (fixture->window);
/* Make sure all events have been processed and the window
* is visible.
*/
gtk_test_widget_wait_for_draw (fixture->window);
store = GTK_LIST_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (fixture->tree_view)));
/* Invalidate a page of rows */
for (i = 100; i < 110; i++) {
GtkTreeIter iter;
gtk_tree_model_iter_nth_child (GTK_TREE_MODEL (store), &iter,
NULL, i);
gtk_list_store_set (store, &iter, 0, "Row", -1);
}
/* Then scroll to that page. */
path = gtk_tree_path_new_from_indices (105, -1);
scroll (fixture, path, TRUE, 0.5);
gtk_tree_path_free (path);
/* Make sure all events have been processed and the window
* is visible.
*/
gtk_test_widget_wait_for_draw (fixture->window);
store = GTK_LIST_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (fixture->tree_view)));
/* Invalidate a page of rows */
for (i = 300; i < 310; i++) {
GtkTreeIter iter;
gtk_tree_model_iter_nth_child (GTK_TREE_MODEL (store), &iter,
NULL, i);
gtk_list_store_set (store, &iter, 0, "Row", -1);
}
/* Then scroll to the first row */
path = gtk_tree_path_new_from_indices (0, -1);
scroll (fixture, path, TRUE, 0.5);
gtk_tree_path_free (path);
}
/* Infrastructure for automatically adding tests */
enum
{
BEFORE,
AFTER,
BOTH
};
static const char *
test_type_string (int test_type)
{
switch (test_type) {
case BEFORE:
return "before-realize";
case AFTER:
return "after-realize";
case BOTH:
return "both";
}
return "???";
}
static char *
align_string (gboolean use_align,
gdouble row_align)
{
char *ret;
if (!use_align)
return g_strdup ("no-align");
ret = g_strdup_printf ("align-%1.1f", row_align);
return ret;
}
static void
add_test (const char *path,
gboolean mixed,
int test_type,
gboolean use_align,
gdouble row_align,
void (* setup) (ScrollFixture *, gconstpointer),
void (* scroll_func) (ScrollFixture *, gconstpointer))
{
gchar *test_path;
gchar *align;
align = align_string (use_align, row_align);
test_path = g_strdup_printf ("/TreeView/scrolling/%s/%s-height/path-%s-%s",
test_type_string (test_type),
mixed ? "mixed" : "constant",
path, align);
g_free (align);
g_test_add (test_path, ScrollFixture, path,
setup, scroll_func, scroll_fixture_teardown);
g_free (test_path);
}
static void
add_tests (gboolean mixed,
int test_type,
gboolean use_align,
gdouble row_align,
void (*scroll_func) (ScrollFixture *, gconstpointer))
{
void (* setup) (ScrollFixture *, gconstpointer);
if (mixed)
setup = scroll_fixture_mixed_setup;
else
setup = scroll_fixture_constant_setup;
add_test ("0", mixed, test_type, use_align, row_align, setup, scroll_func);
add_test ("2", mixed, test_type, use_align, row_align, setup, scroll_func);
add_test ("5", mixed, test_type, use_align, row_align, setup, scroll_func);
/* We scroll to 8 to test a partial visible row. The 8 is
* based on my font setting of "Vera Sans 11" and
* the separators set to 0. (This should be made dynamic; FIXME).
*/
add_test ("8", mixed, test_type, use_align, row_align, setup, scroll_func);
add_test ("10", mixed, test_type, use_align, row_align, setup, scroll_func);
add_test ("250", mixed, test_type, use_align, row_align, setup, scroll_func);
add_test ("500", mixed, test_type, use_align, row_align, setup, scroll_func);
add_test ("750", mixed, test_type, use_align, row_align, setup, scroll_func);
add_test ("990", mixed, test_type, use_align, row_align, setup, scroll_func);
add_test ("991", mixed, test_type, use_align, row_align, setup, scroll_func);
add_test ("995", mixed, test_type, use_align, row_align, setup, scroll_func);
add_test ("997", mixed, test_type, use_align, row_align, setup, scroll_func);
add_test ("999", mixed, test_type, use_align, row_align, setup, scroll_func);
}
int
main (int argc, char **argv)
{
gtk_test_init (&argc, &argv);
/* Scrolls before realization */
add_tests (FALSE, BEFORE, FALSE, 0.0, scroll_no_align);
if (g_test_thorough ())
add_tests (TRUE, BEFORE, FALSE, 0.0, scroll_no_align);
add_tests (FALSE, BEFORE, TRUE, 0.0, scroll_align_0_0);
if (g_test_thorough ())
add_tests (TRUE, BEFORE, TRUE, 0.0, scroll_align_0_0);
add_tests (FALSE, BEFORE, TRUE, 0.5, scroll_align_0_5);
if (g_test_thorough ())
add_tests (TRUE, BEFORE, TRUE, 0.5, scroll_align_0_5);
add_tests (FALSE, BEFORE, TRUE, 1.0, scroll_align_1_0);
if (g_test_thorough ())
add_tests (TRUE, BEFORE, TRUE, 1.0, scroll_align_1_0);
/* Scrolls after realization */
add_tests (FALSE, AFTER, FALSE, 0.0, scroll_after_no_align);
if (g_test_thorough ())
add_tests (TRUE, AFTER, FALSE, 0.0, scroll_after_no_align);
add_tests (FALSE, AFTER, TRUE, 0.0, scroll_after_align_0_0);
if (g_test_thorough ())
add_tests (TRUE, AFTER, TRUE, 0.0, scroll_after_align_0_0);
add_tests (FALSE, AFTER, TRUE, 0.5, scroll_after_align_0_5);
if (g_test_thorough ())
add_tests (TRUE, AFTER, TRUE, 0.5, scroll_after_align_0_5);
add_tests (FALSE, AFTER, TRUE, 1.0, scroll_after_align_1_0);
if (g_test_thorough ())
add_tests (TRUE, AFTER, TRUE, 1.0, scroll_after_align_1_0);
/* Scroll to end before realization, to a real position after */
if (g_test_thorough ()) {
add_tests (FALSE, BOTH, FALSE, 0.0, scroll_both_no_align);
add_tests (TRUE, BOTH, FALSE, 0.0, scroll_both_no_align);
add_tests (FALSE, BOTH, TRUE, 0.0, scroll_both_align_0_0);
add_tests (TRUE, BOTH, TRUE, 0.0, scroll_both_align_0_0);
add_tests (FALSE, BOTH, TRUE, 0.5, scroll_both_align_0_5);
add_tests (TRUE, BOTH, TRUE, 0.5, scroll_both_align_0_5);
add_tests (FALSE, BOTH, TRUE, 1.0, scroll_both_align_1_0);
add_tests (TRUE, BOTH, TRUE, 1.0, scroll_both_align_1_0);
}
/* Test different alignments in view with single row */
g_test_add ("/TreeView/scrolling/single-row/no-align",
ScrollFixture, "0",
scroll_fixture_single_setup,
scroll_no_align,
scroll_fixture_teardown);
g_test_add ("/TreeView/scrolling/single-row/align-0.0",
ScrollFixture, "0",
scroll_fixture_single_setup,
scroll_align_0_0,
scroll_fixture_teardown);
g_test_add ("/TreeView/scrolling/single-row/align-0.5",
ScrollFixture, "0",
scroll_fixture_single_setup,
scroll_align_0_5,
scroll_fixture_teardown);
g_test_add ("/TreeView/scrolling/single-row/align-1.0",
ScrollFixture, "0",
scroll_fixture_single_setup,
scroll_align_1_0,
scroll_fixture_teardown);
/* Test scrolling in a very large model; also very slow */
if (g_test_slow ()) {
g_test_add ("/TreeView/scrolling/large-model/constant-height/middle-no-align",
ScrollFixture, "50000",
scroll_fixture_constant_big_setup,
scroll_no_align,
scroll_fixture_teardown);
g_test_add ("/TreeView/scrolling/large-model/constant-height/end-no-align",
ScrollFixture, "99999",
scroll_fixture_constant_big_setup,
scroll_no_align,
scroll_fixture_teardown);
g_test_add ("/TreeView/scrolling/large-model/mixed-height/middle-no-align",
ScrollFixture, "50000",
scroll_fixture_mixed_big_setup,
scroll_no_align,
scroll_fixture_teardown);
g_test_add ("/TreeView/scrolling/large-model/mixed-height/end-no-align",
ScrollFixture, "99999",
scroll_fixture_mixed_big_setup,
scroll_no_align,
scroll_fixture_teardown);
}
/* Test scrolling to a newly created row */
g_test_add ("/TreeView/scrolling/new-row/path-0", ScrollFixture,
GINT_TO_POINTER (0),
scroll_fixture_constant_setup,
scroll_new_row,
scroll_fixture_teardown);
g_test_add ("/TreeView/scrolling/new-row/path-4", ScrollFixture,
GINT_TO_POINTER (4),
scroll_fixture_constant_setup,
scroll_new_row,
scroll_fixture_teardown);
/* We scroll to 8 to test a partial visible row. The 8 is
* based on my font setting of "Vera Sans 11" and
* the separators set to 0. (This should be made dynamic; FIXME).
*/
g_test_add ("/TreeView/scrolling/new-row/path-8", ScrollFixture,
GINT_TO_POINTER (8),
scroll_fixture_constant_setup,
scroll_new_row,
scroll_fixture_teardown);
g_test_add ("/TreeView/scrolling/new-row/path-500", ScrollFixture,
GINT_TO_POINTER (500),
scroll_fixture_constant_setup,
scroll_new_row,
scroll_fixture_teardown);
g_test_add ("/TreeView/scrolling/new-row/path-999", ScrollFixture,
GINT_TO_POINTER (999),
scroll_fixture_constant_setup,
scroll_new_row,
scroll_fixture_teardown);
g_test_add ("/TreeView/scrolling/new-row/tree", ScrollFixture,
NULL,
scroll_fixture_tree_setup,
scroll_new_row_tree,
scroll_fixture_teardown);
/* Test scrolling to a newly created row, in a mixed height model */
g_test_add ("/TreeView/scrolling/new-row-mixed/path-0", ScrollFixture,
GINT_TO_POINTER (0),
scroll_fixture_mixed_setup,
scroll_new_row,
scroll_fixture_teardown);
g_test_add ("/TreeView/scrolling/new-row-mixed/path-3", ScrollFixture,
GINT_TO_POINTER (3),
scroll_fixture_mixed_setup,
scroll_new_row,
scroll_fixture_teardown);
/* We scroll to 8 to test a partial visible row. The 8 is
* based on my font setting of "Vera Sans 11" and
* the separators set to 0. (This should be made dynamic; FIXME).
*/
g_test_add ("/TreeView/scrolling/new-row-mixed/path-5", ScrollFixture,
GINT_TO_POINTER (5),
scroll_fixture_mixed_setup,
scroll_new_row,
scroll_fixture_teardown);
g_test_add ("/TreeView/scrolling/new-row-mixed/path-500", ScrollFixture,
GINT_TO_POINTER (500),
scroll_fixture_mixed_setup,
scroll_new_row,
scroll_fixture_teardown);
g_test_add ("/TreeView/scrolling/new-row-mixed/path-999", ScrollFixture,
GINT_TO_POINTER (999),
scroll_fixture_mixed_setup,
scroll_new_row,
scroll_fixture_teardown);
g_test_add ("/TreeView/scrolling/new-row-mixed/tree", ScrollFixture,
NULL,
scroll_fixture_mixed_tree_setup,
scroll_new_row_tree,
scroll_fixture_teardown);
/* Misc. tests */
g_test_add ("/TreeView/scrolling/specific/bug-316689",
ScrollFixture, NULL,
scroll_fixture_constant_setup, test_bug316689,
scroll_fixture_teardown);
g_test_add_func ("/TreeView/scrolling/specific/bug-359231",
test_bug359231);
g_test_add ("/TreeView/scrolling/specific/bug-93584",
ScrollFixture, NULL,
scroll_fixture_tree_setup, test_bug93584,
scroll_fixture_teardown);
g_test_add ("/TreeView/scrolling/specific/bug-111500",
ScrollFixture, NULL,
scroll_fixture_tree_setup, test_bug111500,
scroll_fixture_teardown);
g_test_add ("/TreeView/scrolling/specific/bug-111500-mixed",
ScrollFixture, NULL,
scroll_fixture_mixed_tree_setup, test_bug111500_mixed,
scroll_fixture_teardown);
g_test_add ("/TreeView/scrolling/specific/bug-163214",
ScrollFixture, NULL,
scroll_fixture_constant_setup, test_bug163214,
scroll_fixture_teardown);
return g_test_run ();
}
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