static gboolean
gimp_container_tree_view_scroll_timeout (gpointer data)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (data);
GtkAdjustment *adj;
gdouble new_value;
adj = gtk_tree_view_get_vadjustment (GTK_TREE_VIEW (tree_view->view));
#ifdef SCROLL_DEBUG
g_print ("scroll_timeout: scrolling by %d\n", SCROLL_STEP);
#endif
if (tree_view->scroll_dir == GDK_SCROLL_UP)
new_value = adj->value - SCROLL_STEP;
else
new_value = adj->value + SCROLL_STEP;
new_value = CLAMP (new_value, adj->lower, adj->upper - adj->page_size);
gtk_adjustment_set_value (adj, new_value);
if (tree_view->scroll_timeout_id)
{
g_source_remove (tree_view->scroll_timeout_id);
tree_view->scroll_timeout_id =
g_timeout_add (tree_view->scroll_timeout_interval,
gimp_container_tree_view_scroll_timeout,
tree_view);
}
return FALSE;
}
/* cleans up the item list, sets up the iter hash when called for the first time */
void
item_list_view_clear (ItemListView *ilv)
{
GtkAdjustment *adj;
GtkTreeStore *itemstore;
itemstore = GTK_TREE_STORE (gtk_tree_view_get_model (ilv->priv->treeview));
/* unselecting all items is important to remove items
whose removal is deferred until unselecting */
gtk_tree_selection_unselect_all (gtk_tree_view_get_selection (ilv->priv->treeview));
adj = gtk_tree_view_get_vadjustment (ilv->priv->treeview);
gtk_adjustment_set_value (adj, 0.0);
#if GTK_API_VERSION >= 3
gtk_scrollable_set_vadjustment (GTK_SCROLLABLE (ilv->priv->treeview), adj);
#else
gtk_tree_view_set_vadjustment (ilv->priv->treeview, adj);
#endif
if (itemstore)
gtk_tree_store_clear (itemstore);
if (ilv->priv->item_id_to_iter)
g_hash_table_destroy (ilv->priv->item_id_to_iter);
ilv->priv->item_id_to_iter = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
/* enable batch mode for following item adds */
ilv->priv->batch_mode = TRUE;
ilv->priv->batch_itemstore = item_list_view_create_tree_store ();
}
/* Scroll function taken/adapted from gtktreeview.c */
static gint
scroll_row_timeout (gpointer data)
{
GtkTreeView *tree_view = data;
GdkRectangle visible_rect;
gint y, x;
gint offset;
gfloat value;
GtkAdjustment* vadj;
RbTreeDndData *priv_data;
GDK_THREADS_ENTER ();
priv_data = g_object_get_data (G_OBJECT (tree_view), RB_TREE_DND_STRING);
g_return_val_if_fail(priv_data != NULL, TRUE);
gdk_window_get_pointer (gtk_tree_view_get_bin_window (tree_view), &x, &y, NULL);
gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, x, y, &x, &y);
gtk_tree_view_convert_bin_window_to_tree_coords (tree_view, x, y, &x, &y);
gtk_tree_view_get_visible_rect (tree_view, &visible_rect);
/* see if we are near the edge. */
if (x < visible_rect.x && x > visible_rect.x + visible_rect.width)
{
GDK_THREADS_LEAVE ();
priv_data->scroll_timeout = 0;
return FALSE;
}
offset = y - (visible_rect.y + 2 * SCROLL_EDGE_SIZE);
if (offset > 0)
{
offset = y - (visible_rect.y + visible_rect.height - 2 * SCROLL_EDGE_SIZE);
if (offset < 0)
{
GDK_THREADS_LEAVE ();
priv_data->scroll_timeout = 0;
return FALSE;
}
}
vadj = gtk_tree_view_get_vadjustment (tree_view);
value = CLAMP (vadj->value + offset, vadj->lower, vadj->upper - vadj->page_size);
gtk_adjustment_set_value (vadj, value);
/* don't remove it if we're on the edge and not scrolling */
if (ABS (vadj->value - value) > 0.0001)
remove_select_on_drag_timeout(tree_view);
GDK_THREADS_LEAVE ();
return TRUE;
}
static void
test_position (GtkTreeView *tree_view,
GtkTreePath *path,
gboolean use_align,
gfloat row_align,
gfloat col_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_tree_view_get_vadjustment (GTK_TREE_VIEW (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) {
GtkTreePath *tmppath;
/* Test nothing is dangling at the bottom; read
* description for test_single() for more information.
*/
/* FIXME: hardcoded width */
if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (tree_view), 0, GTK_WIDGET (tree_view)->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) {
g_assert (test_position_with_align (tree_view, pos, rect.y,
row_start, rect.height, row_align));
} else {
g_assert (test_position_without_align (tree_view, row_start, rect.height));
}
g_free (path_str);
}
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));
while (gtk_events_pending ())
gtk_main_iteration ();
model = gtk_tree_view_get_model (GTK_TREE_VIEW (fixture->tree_view));
vadjustment = gtk_tree_view_get_vadjustment (GTK_TREE_VIEW (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);
while (gtk_events_pending ())
gtk_main_iteration ();
/* Test position, the scroll bar must be at the end */
g_assert (vadjustment->value == vadjustment->upper - vadjustment->page_size);
}
}
static void scroll_to_position (PhidiasItemsClassic *view)
{
GtkAdjustment *adj;
/**
TODO Save a status for each submitted model, so to be able
to return to the original position
*/
adj = gtk_tree_view_get_vadjustment (GTK_TREE_VIEW (view->priv->list));
if (adj != NULL) {
gtk_adjustment_set_value (adj, 0.0);
gtk_tree_view_set_vadjustment (GTK_TREE_VIEW (view->priv->list), adj);
}
}
static void
test_editable_position (GtkWidget *tree_view,
GtkWidget *editable,
GtkTreePath *cursor_path)
{
GdkRectangle rect;
GtkAdjustment *vadj;
gtk_tree_view_get_background_area (GTK_TREE_VIEW (tree_view),
cursor_path, NULL, &rect);
vadj = gtk_tree_view_get_vadjustment (GTK_TREE_VIEW (tree_view));
/* There are all in bin_window coordinates */
g_assert (editable->allocation.y == rect.y + ((rect.height - editable->allocation.height) / 2));
}
static gboolean
test_position_without_align (GtkTreeView *tree_view,
gint row_start,
gint row_height)
{
GtkAdjustment *vadj = gtk_tree_view_get_vadjustment (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.
*/
if (vadj->value <= row_start
&& vadj->value + vadj->page_size >= row_start + row_height)
return TRUE;
return FALSE;
}
/* 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 *vadj;
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);
while (gtk_events_pending ())
gtk_main_iteration ();
vadj = gtk_tree_view_get_vadjustment (GTK_TREE_VIEW (fixture->tree_view));
g_assert (vadj->value + vadj->page_size <= vadj->upper);
g_assert (vadj->value == vadj->upper - vadj->page_size);
}
static gboolean
usage_view_tree_view_scroll_event_cb (GtkWidget *widget,
GdkEventScroll *event,
gpointer data)
{
GtkAdjustment *adj;
GtkTreeView *tv = GTK_TREE_VIEW (widget);
gdouble new_value;
if (event->direction != GDK_SCROLL_UP &&
event->direction != GDK_SCROLL_DOWN) {
return FALSE;
}
adj = gtk_tree_view_get_vadjustment (tv);
if (event->direction == GDK_SCROLL_UP) {
new_value = adj->value - adj->page_increment / 2;
} else {
new_value = adj->value + adj->page_increment / 2;
}
new_value =
CLAMP (new_value, adj->lower, adj->upper - adj->page_size);
gtk_adjustment_set_value (adj, new_value);
return TRUE;
}
/*
* init debug related GUI (watch tree view)
* arguments:
*/
void debug_init()
{
/* create watch page */
wtree = wtree_init(on_watch_expanded_callback,
on_watch_dragged_callback,
on_watch_key_pressed_callback,
on_watch_changed,
on_watch_button_pressed_callback);
wmodel = gtk_tree_view_get_model(GTK_TREE_VIEW(wtree));
wstore = GTK_TREE_STORE(wmodel);
tab_watch = gtk_scrolled_window_new(
gtk_tree_view_get_hadjustment(GTK_TREE_VIEW(wtree)),
gtk_tree_view_get_vadjustment(GTK_TREE_VIEW(wtree))
);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(tab_watch),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_container_add(GTK_CONTAINER(tab_watch), wtree);
/* create autos page */
atree = atree_init(on_watch_expanded_callback, on_watch_button_pressed_callback);
tab_autos = gtk_scrolled_window_new(
gtk_tree_view_get_hadjustment(GTK_TREE_VIEW(atree)),
gtk_tree_view_get_vadjustment(GTK_TREE_VIEW(atree))
);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(tab_autos),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_container_add(GTK_CONTAINER(tab_autos), atree);
/* create stack trace page */
stree = stree_init(editor_open_position, on_select_frame);
tab_call_stack = gtk_scrolled_window_new(
gtk_tree_view_get_hadjustment(GTK_TREE_VIEW(stree )),
gtk_tree_view_get_vadjustment(GTK_TREE_VIEW(stree ))
);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(tab_call_stack),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_container_add(GTK_CONTAINER(tab_call_stack), stree);
/* create debug terminal page */
terminal = vte_terminal_new();
/* create PTY */
openpty(&pty_master, &pty_slave, NULL,
NULL,
NULL);
grantpt(pty_master);
unlockpt(pty_master);
vte_terminal_set_pty(VTE_TERMINAL(terminal), pty_master);
GtkWidget *scrollbar = gtk_vscrollbar_new(GTK_ADJUSTMENT(VTE_TERMINAL(terminal)->adjustment));
GTK_WIDGET_UNSET_FLAGS(scrollbar, GTK_CAN_FOCUS);
tab_terminal = gtk_frame_new(NULL);
gtk_frame_set_shadow_type (GTK_FRAME(tab_terminal), GTK_SHADOW_NONE);
GtkWidget *hbox = gtk_hbox_new(FALSE, 0);
gtk_container_add(GTK_CONTAINER(tab_terminal), hbox);
gtk_box_pack_start(GTK_BOX(hbox), terminal, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(hbox), scrollbar, FALSE, FALSE, 0);
/* set the default widget size first to prevent VTE expanding too much,
* sometimes causing the hscrollbar to be too big or out of view. */
gtk_widget_set_size_request(GTK_WIDGET(terminal), 10, 10);
vte_terminal_set_size(VTE_TERMINAL(terminal), 30, 1);
/* set terminal font. */
GKeyFile *config = g_key_file_new();
gchar *configfile = g_strconcat(geany_data->app->configdir, G_DIR_SEPARATOR_S, "geany.conf", NULL);
g_key_file_load_from_file(config, configfile, G_KEY_FILE_NONE, NULL);
gchar *font = utils_get_setting_string(config, "VTE", "font", "Monospace 10");
vte_terminal_set_font_from_string (VTE_TERMINAL(terminal), font);
/* debug messages page */
tab_messages = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(tab_messages),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
hadj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(tab_messages));
vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(tab_messages));
debugger_messages_textview = gtk_text_view_new();
gtk_text_view_set_editable (GTK_TEXT_VIEW (debugger_messages_textview), FALSE);
gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(tab_messages), debugger_messages_textview);
/* create tex tags */
GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(debugger_messages_textview));
gtk_text_buffer_create_tag(buffer, "black", "foreground", "#000000", NULL);
gtk_text_buffer_create_tag(buffer, "grey", "foreground", "#AAAAAA", NULL);
gtk_text_buffer_create_tag(buffer, "red", "foreground", "#FF0000", NULL);
gtk_text_buffer_create_tag(buffer, "green", "foreground", "#00FF00", NULL);
gtk_text_buffer_create_tag(buffer, "blue", "foreground", "#0000FF", NULL);
gtk_text_buffer_create_tag(buffer, "yellow", "foreground", "#FFFF00", NULL);
gtk_text_buffer_create_tag(buffer, "brown", "foreground", "#BB8915", NULL);
gtk_text_buffer_create_tag(buffer, "rose", "foreground", "#BA92B7", NULL);
}
gfloat
userlist_get_value (GtkWidget *treeview)
{
return gtk_adjustment_get_value (gtk_tree_view_get_vadjustment (GTK_TREE_VIEW (treeview)));
}
void
userlist_set_value (GtkWidget *treeview, gfloat val)
{
gtk_adjustment_set_value (
gtk_tree_view_get_vadjustment (GTK_TREE_VIEW (treeview)), val);
}
static void
set_up_tree_view (TotemYouTubePlugin *self, GtkBuilder *builder, guint key)
{
GtkUIManager *ui_manager;
GtkActionGroup *action_group;
GtkAction *action, *menu_item;
GtkWidget *vscroll, *tree_view;
GtkTreeViewColumn *column;
GtkCellRenderer *renderer;
/* Add the cell renderer. This can't be done with GtkBuilder, because it unavoidably sets the expand parameter to FALSE */
/* TODO: Depends on bug #453692 */
renderer = GTK_CELL_RENDERER (totem_cell_renderer_video_new (TRUE));
column = GTK_TREE_VIEW_COLUMN (gtk_builder_get_object (builder,
(key == SEARCH_TREE_VIEW) ? "yt_treeview_search_column" : "yt_treeview_related_column"));
gtk_tree_view_column_pack_start (column, renderer, TRUE);
gtk_tree_view_column_set_attributes (column, renderer, "thumbnail", 0, "title", 1, NULL);
/* Give the video lists a handle to Totem and connect their scrollbar signals */
if (key == SEARCH_TREE_VIEW) {
tree_view = GTK_WIDGET (gtk_builder_get_object (builder, "yt_treeview_search"));
vscroll = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (gtk_builder_get_object (builder, "yt_scrolled_window_search")));
self->list_store[key] = GTK_LIST_STORE (gtk_builder_get_object (builder, "yt_list_store_search"));
self->tree_view[key] = GTK_TREE_VIEW (tree_view);
self->progress_bar[key] = GTK_PROGRESS_BAR (gtk_builder_get_object (builder, "yt_progress_bar_search"));
} else {
tree_view = GTK_WIDGET (gtk_builder_get_object (builder, "yt_treeview_related"));
vscroll = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (gtk_builder_get_object (builder, "yt_scrolled_window_related")));
self->list_store[key] = GTK_LIST_STORE (gtk_builder_get_object (builder, "yt_list_store_related"));
self->tree_view[key] = GTK_TREE_VIEW (tree_view);
self->progress_bar[key] = GTK_PROGRESS_BAR (gtk_builder_get_object (builder, "yt_progress_bar_related"));
}
g_object_set (tree_view, "totem", self->totem, NULL);
g_signal_connect (vscroll, "button-press-event", G_CALLBACK (button_press_event_cb), self);
g_signal_connect (vscroll, "button-release-event", G_CALLBACK (button_release_event_cb), self);
/* Add the extra popup menu options. This is done here rather than in the UI file, because it's done for multiple treeviews;
* if it were done in the UI file, the same action group would be used multiple times, which GTK+ doesn't like. */
ui_manager = totem_video_list_get_ui_manager (TOTEM_VIDEO_LIST (tree_view));
action_group = gtk_action_group_new ("youtube-action-group");
action = gtk_action_new ("open-in-web-browser", _("_Open in Web Browser"), _("Open the video in your web browser"), "gtk-jump-to");
gtk_action_group_add_action_with_accel (action_group, action, NULL);
gtk_ui_manager_insert_action_group (ui_manager, action_group, 1);
gtk_ui_manager_add_ui (ui_manager, gtk_ui_manager_new_merge_id (ui_manager),
"/ui/totem-video-list-popup/",
"open-in-web-browser",
"open-in-web-browser",
GTK_UI_MANAGER_MENUITEM,
FALSE);
menu_item = gtk_ui_manager_get_action (ui_manager, "/ui/totem-video-list-popup/open-in-web-browser");
g_signal_connect (menu_item, "activate", G_CALLBACK (open_in_web_browser_activate_cb), self);
/* Connect to more scroll events */
#if GTK_CHECK_VERSION(3, 0, 0)
self->vadjust[key] = gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(tree_view));
#else
self->vadjust[key] = gtk_tree_view_get_vadjustment(GTK_TREE_VIEW(tree_view));
#endif
g_signal_connect (self->vadjust[key], "value-changed", G_CALLBACK (value_changed_cb), self);
self->cancel_button = GTK_WIDGET (gtk_builder_get_object (builder, "yt_cancel_button"));
}
static GtkWidget *
usage_view_create_widget (PlannerView *view)
{
PlannerUsageViewPriv *priv;
MrpProject *project;
GtkWidget *hpaned;
GtkWidget *left_frame;
GtkWidget *right_frame;
PlannerUsageModel *model;
GtkWidget *tree;
GtkWidget *vbox;
GtkWidget *sw;
GtkWidget *chart;
GtkAdjustment *hadj, *vadj;
project = planner_window_get_project (view->main_window);
priv = PLANNER_USAGE_VIEW (view)->priv;
priv->project = project;
g_signal_connect (project,
"loaded",
G_CALLBACK (usage_view_project_loaded_cb),
view);
g_signal_connect (project,
"resource_added",
G_CALLBACK (usage_view_resource_added_cb),
view);
model = planner_usage_model_new (project);
tree = planner_usage_tree_new (view->main_window, model);
priv->tree = tree;
left_frame = gtk_frame_new (NULL);
right_frame = gtk_frame_new (NULL);
vbox = gtk_vbox_new (FALSE, 3);
gtk_box_pack_start (GTK_BOX (vbox), tree, TRUE, TRUE, 0);
hadj = gtk_tree_view_get_hadjustment (GTK_TREE_VIEW (tree));
gtk_box_pack_start (GTK_BOX (vbox), gtk_hscrollbar_new (hadj), FALSE,
TRUE, 0);
gtk_container_add (GTK_CONTAINER (left_frame), vbox);
hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0, 0, 0, 90, 250, 2000));
vadj = gtk_tree_view_get_vadjustment (GTK_TREE_VIEW (tree));
chart = planner_usage_chart_new_with_model (GTK_TREE_MODEL (model));
priv->chart = PLANNER_USAGE_CHART (chart);
planner_usage_chart_set_view (PLANNER_USAGE_CHART (priv->chart),
PLANNER_USAGE_TREE (priv->tree));
gtk_widget_set_events (GTK_WIDGET (priv->chart), GDK_SCROLL_MASK);
g_signal_connect (priv->chart, "scroll-event",
G_CALLBACK (usage_view_chart_scroll_event), view);
sw = gtk_scrolled_window_new (hadj, vadj);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_ALWAYS,
GTK_POLICY_AUTOMATIC);
gtk_container_add (GTK_CONTAINER (right_frame), sw);
gtk_container_add (GTK_CONTAINER (sw), chart);
hpaned = gtk_hpaned_new ();
gtk_frame_set_shadow_type (GTK_FRAME (left_frame), GTK_SHADOW_IN);
gtk_frame_set_shadow_type (GTK_FRAME (right_frame), GTK_SHADOW_IN);
gtk_paned_add1 (GTK_PANED (hpaned), left_frame);
gtk_paned_add2 (GTK_PANED (hpaned), right_frame);
usage_view_load_columns (PLANNER_USAGE_VIEW (view));
g_signal_connect (tree,
"columns-changed",
G_CALLBACK (usage_view_tree_view_columns_changed_cb),
view);
g_signal_connect (tree,
"destroy",
G_CALLBACK (usage_view_tree_view_destroy_cb),
view);
g_signal_connect (tree,
"row_expanded",
G_CALLBACK (usage_view_row_expanded), chart);
g_signal_connect (tree,
"row_collapsed",
G_CALLBACK (usage_view_row_collapsed), chart);
g_signal_connect (tree,
"expand_all",
G_CALLBACK (usage_view_expand_all), chart);
g_signal_connect (tree,
"collapse_all",
G_CALLBACK (usage_view_collapse_all), chart);
g_signal_connect (chart,
"status_updated",
G_CALLBACK (usage_view_usage_status_updated),
view);
g_signal_connect_after (tree,
"size_request",
G_CALLBACK
(usage_view_tree_view_size_request_cb),
NULL);
g_signal_connect_after (tree,
"scroll_event",
G_CALLBACK
(usage_view_tree_view_scroll_event_cb),
view);
g_signal_connect (tree,
"style_set",
G_CALLBACK (usage_view_tree_style_set_cb),
view);
gtk_tree_view_expand_all (GTK_TREE_VIEW (tree));
planner_usage_chart_expand_all (PLANNER_USAGE_CHART (chart));
g_object_unref (model);
return hpaned;
}
static gboolean
test_position_with_align (GtkTreeView *tree_view,
enum Pos pos,
gint row_y,
gint row_start,
gint row_height,
gfloat row_align)
{
gboolean passed = TRUE;
GtkAdjustment *vadj = gtk_tree_view_get_vadjustment (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.
*/
if (row_y != 0)
passed = FALSE;
if (vadj->value != row_start)
passed = FALSE;
} else {
/* The row can be anywhere at the last
* page of the tree view.
* - dy is set to the start of the
* last page.
*/
if (vadj->value != vadj->upper - vadj->page_size)
passed = FALSE;
}
break;
case 1:
/* 0.5 */
if (pos == POS_TOP
&& row_start < vadj->page_size / 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
*/
if (vadj->value != 0)
passed = FALSE;
} else if (pos == POS_BOTTOM
&& row_start >= vadj->upper - vadj->page_size / 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.
*/
if (vadj->value != vadj->upper - vadj->page_size)
passed = FALSE;
} 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).
*/
if (row_y != (int)(vadj->page_size / 2 - row_height / 2))
passed = FALSE;
}
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.
*/
if (vadj->value != 0)
passed = FALSE;
} 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
*/
if (row_start < vadj->page_size
&& row_start + row_height < vadj->page_size)
passed = FALSE;
if (vadj->value <= 0)
passed = FALSE;
if (row_y != vadj->page_size - row_height)
passed = FALSE;
}
break;
}
return passed;
}