Add support for animating expanders.
2001-07-22 Anders Carlsson <andersca@gnome.org> * gtk/gtktreeview.c (gtk_tree_view_class_init): Replace the expander_height and expander_width properties with a single property, expander_size. (gtk_tree_view_init): Set the tab_offset to expander_size plus some padding. (gtk_tree_view_unrealize): Remove the expand/collapse timeout if it exists. (coords_are_over_arrow): Fix a small bug. (gtk_tree_view_motion_draw_column_motion_arrow): Use expander_size. (gtk_tree_view_draw_focus): Use "treeview" instead of "add-mode" as detail when drawing the focus. (gtk_tree_view_bin_expose): Use "treeview-drop-indicator" instead of "add-mode" as detail when drawing the focus. (gtk_tree_view_deleted): If we have a node currently being expanded or collapsed, remove the timeout and set the node to NULL. (gtk_tree_view_queue_draw_arrow): New function that just redraws the arrow of a node. (gtk_tree_view_draw_arrow): Use expander_size instead of expander_width/expander_height, also pass a different expander_style to gtk_paint_expander depending on the state of the node being drawn. (expand_collapse_timeout): New function for expanding or collapsing a node depending on the previous state. (gtk_tree_view_real_expand_row): Add timeout and set correct state for node being expanded. (gtk_tree_view_real_collapse_row): Add timeout and set correct state for node being collapsed. * gtk/gtktreeprivate.h (struct _GtkTreeViewPrivate): Add information about the node currently being expanded or collapsed, and also a timeout id. * gtk/gtkstyle.h (struct _GtkStyleClass): Replace is_open with expander_style for draw_expander. * gtk/gtkstyle.c (gtk_draw_expander): Replace is_open with expander_style. (create_expander_affine): New function for creating an expander affine. (apply_affine_on_point): New function for applying an affine to a point. (gtk_default_draw_expander): Modified to take expander_style instead of is_open, and to draw the rectangle rotated differently depending on the expander style. (gtk_paint_expander): Replace is_open with expander_style. * gtk/gtkrbtree.h: Add expander states to GtkRBNodeColor. * gtk/gtkenums.h: Add expander style enum.
This commit is contained in:
Anders Carlsson
committed by
Anders Carlsson
Anders Carlsson
parent
5751ed9e16
commit
f4ca329027
@ -47,7 +47,7 @@
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#define SCROLL_EDGE_SIZE 15
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#define EXPANDER_EXTRA_PADDING 4
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/* The "background" areas of all rows/cells add up to cover the entire tree.
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* The background includes all inter-row and inter-cell spacing.
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@ -276,6 +276,10 @@ static void gtk_tree_view_queue_draw_node (GtkTreeView *tree_view,
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static void gtk_tree_view_queue_draw_path (GtkTreeView *tree_view,
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GtkTreePath *path,
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GdkRectangle *clip_rect);
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static void gtk_tree_view_queue_draw_arrow (GtkTreeView *tree_view,
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GtkRBTree *tree,
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GtkRBNode *node,
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GdkRectangle *clip_rect);
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static void gtk_tree_view_draw_arrow (GtkTreeView *tree_view,
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GtkRBTree *tree,
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GtkRBNode *node,
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@ -513,30 +517,20 @@ gtk_tree_view_class_init (GtkTreeViewClass *class)
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/* Style properties */
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/* the width of the column resize windows */
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#define _TREE_VIEW_EXPANDER_WIDTH 14
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#define _TREE_VIEW_EXPANDER_HEIGHT 14
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#define _TREE_VIEW_EXPANDER_SIZE 10
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#define _TREE_VIEW_VERTICAL_SEPARATOR 2
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#define _TREE_VIEW_HORIZONTAL_SEPARATOR 0
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gtk_widget_class_install_style_property (widget_class,
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g_param_spec_int ("expander_width",
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_("Expander Width"),
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_("Width of the expander arrow"),
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g_param_spec_int ("expander_size",
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_("Expander Size"),
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_("Size of the expander arrow"),
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0,
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G_MAXINT,
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_TREE_VIEW_EXPANDER_WIDTH,
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_TREE_VIEW_EXPANDER_SIZE,
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G_PARAM_READABLE));
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gtk_widget_class_install_style_property (widget_class,
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g_param_spec_int ("expander_height",
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_("Expander Height"),
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_("Height of the expander arrow"),
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4,
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G_MAXINT,
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_TREE_VIEW_EXPANDER_HEIGHT,
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G_PARAM_READABLE));
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gtk_widget_class_install_style_property (widget_class,
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g_param_spec_int ("vertical_separator",
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_("Vertical Separator Width"),
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_("Vertical space between cells"),
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@ -544,8 +538,8 @@ gtk_tree_view_class_init (GtkTreeViewClass *class)
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G_MAXINT,
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_TREE_VIEW_VERTICAL_SEPARATOR,
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G_PARAM_READABLE));
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gtk_widget_class_install_style_property (widget_class,
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gtk_widget_class_install_style_property (widget_class,
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g_param_spec_int ("horizontal_separator",
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_("Horizontal Separator Width"),
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_("Horizontal space between cells"),
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@ -822,7 +816,11 @@ gtk_tree_view_init (GtkTreeView *tree_view)
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GTK_WIDGET_SET_FLAGS (tree_view, GTK_CAN_FOCUS);
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tree_view->priv->flags = GTK_TREE_VIEW_IS_LIST | GTK_TREE_VIEW_SHOW_EXPANDERS | GTK_TREE_VIEW_DRAW_KEYFOCUS | GTK_TREE_VIEW_HEADERS_VISIBLE;
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gtk_widget_style_get (GTK_WIDGET (tree_view), "expander_width", &tree_view->priv->tab_offset, NULL);
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gtk_widget_style_get (GTK_WIDGET (tree_view), "expander_size", &tree_view->priv->tab_offset, NULL);
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/* We need some padding */
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tree_view->priv->tab_offset += EXPANDER_EXTRA_PADDING;
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tree_view->priv->n_columns = 0;
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tree_view->priv->header_height = 1;
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tree_view->priv->x_drag = 0;
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@ -1219,6 +1217,12 @@ gtk_tree_view_unrealize (GtkWidget *widget)
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tree_view->priv->open_dest_timeout = 0;
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}
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if (tree_view->priv->expand_collapse_timeout != 0)
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{
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gtk_timeout_remove (tree_view->priv->expand_collapse_timeout);
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tree_view->priv->expand_collapse_timeout = 0;
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}
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for (list = tree_view->priv->columns; list; list = list->next)
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_gtk_tree_view_column_unrealize_button (GTK_TREE_VIEW_COLUMN (list->data));
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@ -1570,7 +1574,7 @@ gtk_tree_view_button_press (GtkWidget *widget,
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}
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gtk_tree_view_real_set_cursor (tree_view, path, TRUE);
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if (event->button == 1 && event->type == GDK_2BUTTON_PRESS)
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{
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if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT))
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@ -1784,7 +1788,7 @@ coords_are_over_arrow (GtkTreeView *tree_view,
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arrow.width = x2 - arrow.x;
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return (x >= arrow.x &&
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x < (arrow.x + arrow.height) &&
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x < (arrow.x + arrow.width) &&
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y >= arrow.y &&
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y < (arrow.y + arrow.height));
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}
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@ -1849,7 +1853,7 @@ ensure_unprelighted (GtkTreeView *tree_view)
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/* Our motion arrow is either a box (in the case of the original spot)
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* or an arrow. It is expander_width wide.
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* or an arrow. It is expander_size wide.
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*/
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/*
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* 11111111111111
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@ -1952,13 +1956,14 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
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gint i, j = 1;
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GdkGC *gc;
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GdkColor col;
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gint expander_width;
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gint expander_size;
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gtk_widget_style_get (widget,
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"expander_height", &width,
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"expander_width", &expander_width,
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"expander_size", &expander_size,
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NULL);
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width = expander_size;
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/* Get x, y, width, height of arrow */
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if (reorder->left_column)
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{
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@ -1972,8 +1977,8 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
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x -= width/2;
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height = reorder->right_column->button->allocation.height;
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}
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y -= expander_width/2; /* The arrow takes up only half the space */
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height += expander_width;
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y -= expander_size/2; /* The arrow takes up only half the space */
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height += expander_size;
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/* Create the new window */
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if (tree_view->priv->drag_column_window_state != DRAG_COLUMN_WINDOW_STATE_ARROW)
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@ -2026,13 +2031,14 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
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gint i, j = 1;
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GdkGC *gc;
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GdkColor col;
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gint expander_height;
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gint expander_size;
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gtk_widget_style_get (widget,
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"expander_height", &expander_height,
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"expander_width", &width,
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"expander_size", &expander_size,
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NULL);
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width = expander_size;
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/* Get x, y, width, height of arrow */
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width = width/2; /* remember, the arrow only takes half the available width */
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gdk_window_get_origin (widget->window, &x, &y);
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@ -2044,8 +2050,8 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
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else
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height = reorder->right_column->button->allocation.height;
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y -= expander_height;
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height += 2*expander_height;
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y -= expander_size;
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height += 2*expander_size;
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/* Create the new window */
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if (tree_view->priv->drag_column_window_state != DRAG_COLUMN_WINDOW_STATE_ARROW_LEFT &&
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@ -2074,7 +2080,7 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
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/* Draw the 2 arrows as per above */
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col.pixel = 0;
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gdk_gc_set_foreground (gc, &col);
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j = expander_height;
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j = expander_size;
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for (i = 0; i < width; i ++)
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{
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gint k;
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@ -2083,8 +2089,8 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
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else
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k = i;
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gdk_draw_line (mask, gc, k, j, k, height - j);
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gdk_draw_line (mask, gc, k, 0, k, expander_height - j);
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gdk_draw_line (mask, gc, k, height, k, height - expander_height + j);
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gdk_draw_line (mask, gc, k, 0, k, expander_size - j);
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gdk_draw_line (mask, gc, k, height, k, height - expander_size + j);
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j--;
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}
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gdk_gc_destroy (gc);
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@ -2309,7 +2315,7 @@ gtk_tree_view_draw_focus (GtkWidget *widget)
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tree_view = GTK_TREE_VIEW (widget);
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gtk_widget_style_get (widget, "vertical_separator", &vertical_separator, NULL);
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gtk_widget_style_get (widget, "vertical_separator", &vertical_separator, NULL);
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if (! GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS))
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return;
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@ -2360,6 +2366,7 @@ gtk_tree_view_draw_focus (GtkWidget *widget)
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width += 2;
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height += 2;
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x = cell_area.x + x_offset - 1;
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y = cell_area.y + y_offset - 1 + vertical_separator/2;
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}
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@ -2369,7 +2376,7 @@ gtk_tree_view_draw_focus (GtkWidget *widget)
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tree_view->priv->bin_window,
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NULL,
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widget,
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"add-mode",
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"treeview",
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x, y, width, height);
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gtk_tree_path_free (cursor_path);
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@ -2658,7 +2665,7 @@ gtk_tree_view_bin_expose (GtkWidget *widget,
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tree_view->priv->bin_window,
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NULL,
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widget,
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"add-mode",
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"treeview-drop-indicator",
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0, BACKGROUND_FIRST_PIXEL (tree_view, tree, node),
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width - 1, BACKGROUND_HEIGHT (node) - 1);
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@ -4467,6 +4474,18 @@ gtk_tree_view_deleted (GtkTreeModel *model,
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/* Ensure we don't have a dangling pointer to a dead node */
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ensure_unprelighted (tree_view);
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/* If we have a node expanded/collapsed timeout, remove it */
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if (tree_view->priv->expand_collapse_timeout != 0)
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{
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gtk_timeout_remove (tree_view->priv->expand_collapse_timeout);
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tree_view->priv->expand_collapse_timeout = 0;
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/* Reset node */
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GTK_RBNODE_UNSET_FLAG (tree_view->priv->expanded_collapsed_node, GTK_RBNODE_IS_SEMI_COLLAPSED);
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GTK_RBNODE_UNSET_FLAG (tree_view->priv->expanded_collapsed_node, GTK_RBNODE_IS_SEMI_EXPANDED);
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tree_view->priv->expanded_collapsed_node = NULL;
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}
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if (tree_view->priv->destroy_count_func)
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{
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gint child_count = 0;
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@ -4739,8 +4758,9 @@ gtk_tree_view_insert_iter_height (GtkTreeView *tree_view,
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GList *list;
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gint max_height = 0;
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gint vertical_separator;
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gtk_widget_style_get (GTK_WIDGET (tree_view), "vertical_separator", &vertical_separator, NULL);
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gtk_widget_style_get (GTK_WIDGET (tree_view), "vertical_separator", &vertical_separator, NULL);
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/* do stuff with node */
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for (list = tree_view->priv->columns; list; list = list->next)
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{
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@ -4825,10 +4845,10 @@ gtk_tree_view_calc_size (GtkTreeView *tree_view,
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GtkTreeViewColumn *column;
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gint max_height;
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gint vertical_separator;
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TREE_VIEW_INTERNAL_ASSERT_VOID (tree != NULL);
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gtk_widget_style_get (GTK_WIDGET (tree_view), "vertical_separator", &vertical_separator, NULL);
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gtk_widget_style_get (GTK_WIDGET (tree_view), "vertical_separator", &vertical_separator, NULL);
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temp = tree->root;
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while (temp->left != tree->nil)
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@ -4886,7 +4906,7 @@ gtk_tree_view_discover_dirty_iter (GtkTreeView *tree_view,
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GList *list;
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gboolean retval = FALSE;
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gint tmpheight;
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if (height)
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*height = 0;
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@ -5459,6 +5479,37 @@ _gtk_tree_view_column_start_drag (GtkTreeView *tree_view,
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}
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static void
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gtk_tree_view_queue_draw_arrow (GtkTreeView *tree_view,
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GtkRBTree *tree,
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GtkRBNode *node,
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GdkRectangle *clip_rect)
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{
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GdkRectangle rect;
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if (!GTK_WIDGET_REALIZED (tree_view))
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return;
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rect.x = 0;
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rect.width = MAX (tree_view->priv->tab_offset, GTK_WIDGET (tree_view)->allocation.width);
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rect.y = BACKGROUND_FIRST_PIXEL (tree_view, tree, node);
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rect.height = BACKGROUND_HEIGHT (node);
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if (clip_rect)
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{
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GdkRectangle new_rect;
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gdk_rectangle_intersect (clip_rect, &rect, &new_rect);
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gdk_window_invalidate_rect (tree_view->priv->bin_window, &new_rect, TRUE);
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}
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else
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{
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gdk_window_invalidate_rect (tree_view->priv->bin_window, &rect, TRUE);
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}
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}
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static void
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gtk_tree_view_queue_draw_node (GtkTreeView *tree_view,
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GtkRBTree *tree,
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@ -5518,11 +5569,12 @@ gtk_tree_view_draw_arrow (GtkTreeView *tree_view,
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GtkWidget *widget;
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gint x_offset = 0;
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gint vertical_separator;
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gint expander_height;
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gint expander_size;
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GtkExpanderStyle expander_style;
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gtk_widget_style_get (GTK_WIDGET (tree_view),
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"vertical_separator", &vertical_separator,
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"expander_height", &expander_height,
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"expander_size", &expander_size,
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NULL);
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if (! GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT))
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@ -5534,7 +5586,7 @@ gtk_tree_view_draw_arrow (GtkTreeView *tree_view,
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area.x = x_offset;
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area.y = CELL_FIRST_PIXEL (tree_view, tree, node, vertical_separator);
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area.width = tree_view->priv->tab_offset - 2;
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area.width = expander_size + 2;
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area.height = CELL_HEIGHT (node, vertical_separator);
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if (node == tree_view->priv->button_pressed_node)
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@ -5554,15 +5606,24 @@ gtk_tree_view_draw_arrow (GtkTreeView *tree_view,
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state = GTK_STATE_NORMAL;
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}
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if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_EXPANDED))
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expander_style = GTK_EXPANDER_SEMI_EXPANDED;
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else if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_COLLAPSED))
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expander_style = GTK_EXPANDER_SEMI_COLLAPSED;
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else if (node->children != NULL)
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expander_style = GTK_EXPANDER_EXPANDED;
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else
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expander_style = GTK_EXPANDER_COLLAPSED;
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gtk_paint_expander (widget->style,
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tree_view->priv->bin_window,
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state,
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&area,
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widget,
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"treeview",
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area.x,
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(area.y + (area.height - expander_height) / 2 - (area.height + 1) % 2),
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node->children != NULL);
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area.x + area.width / 2,
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area.y + area.height / 2,
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expander_style);
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}
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@ -7053,6 +7114,76 @@ gtk_tree_view_collapse_all_helper (GtkRBTree *tree,
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}
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}
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/* Timeout to animate the expander during expands and collapses */
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static gboolean
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expand_collapse_timeout (gpointer data)
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{
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GtkTreeView *tree_view = data;
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GtkRBNode *node;
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GtkRBTree *tree;
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gboolean expanding;
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gboolean redraw;
|
||||
|
||||
GDK_THREADS_ENTER ();
|
||||
|
||||
redraw = FALSE;
|
||||
expanding = TRUE;
|
||||
|
||||
node = tree_view->priv->expanded_collapsed_node;
|
||||
tree = tree_view->priv->expanded_collapsed_tree;
|
||||
|
||||
if (node->children == NULL)
|
||||
expanding = FALSE;
|
||||
|
||||
if (expanding)
|
||||
{
|
||||
if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_COLLAPSED))
|
||||
{
|
||||
GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_SEMI_COLLAPSED);
|
||||
GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SEMI_EXPANDED);
|
||||
|
||||
redraw = TRUE;
|
||||
|
||||
}
|
||||
else if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_EXPANDED))
|
||||
{
|
||||
GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_SEMI_EXPANDED);
|
||||
|
||||
redraw = TRUE;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_EXPANDED))
|
||||
{
|
||||
GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_SEMI_EXPANDED);
|
||||
GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SEMI_COLLAPSED);
|
||||
|
||||
redraw = TRUE;
|
||||
}
|
||||
else if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_COLLAPSED))
|
||||
{
|
||||
GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_SEMI_COLLAPSED);
|
||||
|
||||
redraw = TRUE;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
if (redraw)
|
||||
{
|
||||
gtk_tree_view_queue_draw_arrow (tree_view, tree, node, NULL);
|
||||
|
||||
GDK_THREADS_LEAVE ();
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
GDK_THREADS_LEAVE ();
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/**
|
||||
* gtk_tree_view_collapse_all:
|
||||
* @tree_view: A #GtkTreeView.
|
||||
@ -7117,6 +7248,21 @@ gtk_tree_view_real_expand_row (GtkTreeView *tree_view,
|
||||
open_all,
|
||||
GTK_WIDGET_REALIZED (tree_view));
|
||||
|
||||
if (tree_view->priv->expand_collapse_timeout)
|
||||
gtk_timeout_remove (tree_view->priv->expand_collapse_timeout);
|
||||
|
||||
if (tree_view->priv->expanded_collapsed_node != NULL)
|
||||
{
|
||||
GTK_RBNODE_UNSET_FLAG (tree_view->priv->expanded_collapsed_node, GTK_RBNODE_IS_SEMI_EXPANDED);
|
||||
GTK_RBNODE_UNSET_FLAG (tree_view->priv->expanded_collapsed_node, GTK_RBNODE_IS_SEMI_COLLAPSED);
|
||||
}
|
||||
|
||||
tree_view->priv->expand_collapse_timeout = gtk_timeout_add (50, expand_collapse_timeout, tree_view);
|
||||
tree_view->priv->expanded_collapsed_node = node;
|
||||
tree_view->priv->expanded_collapsed_tree = tree;
|
||||
|
||||
GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SEMI_COLLAPSED);
|
||||
|
||||
if (GTK_WIDGET_MAPPED (tree_view))
|
||||
{
|
||||
gtk_widget_queue_draw (GTK_WIDGET (tree_view));
|
||||
@ -7199,6 +7345,21 @@ gtk_tree_view_real_collapse_row (GtkTreeView *tree_view,
|
||||
g_signal_emit_by_name (G_OBJECT (tree_view->priv->selection), "changed", 0);
|
||||
_gtk_rbtree_remove (node->children);
|
||||
|
||||
if (tree_view->priv->expand_collapse_timeout)
|
||||
gtk_timeout_remove (tree_view->priv->expand_collapse_timeout);
|
||||
|
||||
if (tree_view->priv->expanded_collapsed_node != NULL)
|
||||
{
|
||||
GTK_RBNODE_UNSET_FLAG (tree_view->priv->expanded_collapsed_node, GTK_RBNODE_IS_SEMI_EXPANDED);
|
||||
GTK_RBNODE_UNSET_FLAG (tree_view->priv->expanded_collapsed_node, GTK_RBNODE_IS_SEMI_COLLAPSED);
|
||||
}
|
||||
|
||||
tree_view->priv->expand_collapse_timeout = gtk_timeout_add (50, expand_collapse_timeout, tree_view);
|
||||
tree_view->priv->expanded_collapsed_node = node;
|
||||
tree_view->priv->expanded_collapsed_tree = tree;
|
||||
|
||||
GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SEMI_EXPANDED);
|
||||
|
||||
if (GTK_WIDGET_MAPPED (tree_view))
|
||||
{
|
||||
gtk_widget_queue_draw (GTK_WIDGET (tree_view));
|
||||
|
||||
Reference in New Issue
Block a user