diff options
Diffstat (limited to 'libempathy-gtk/gossip-cell-renderer-expander.c')
| -rw-r--r-- | libempathy-gtk/gossip-cell-renderer-expander.c | 482 |
1 files changed, 0 insertions, 482 deletions
diff --git a/libempathy-gtk/gossip-cell-renderer-expander.c b/libempathy-gtk/gossip-cell-renderer-expander.c deleted file mode 100644 index e116ace7b..000000000 --- a/libempathy-gtk/gossip-cell-renderer-expander.c +++ /dev/null @@ -1,482 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * Copyright (C) 2006-2007 Imendio AB - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program 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 - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - * - * Authors: Kristian Rietveld <kris@imendio.com> - */ - -/* To do: - * - should probably cancel animation if model changes - * - need to handle case where node-in-animation is removed - * - it only handles a single animation at a time; but I guess users - * aren't fast enough to trigger two or more animations at once anyway :P - * (could guard for this by just cancelling the "old" animation, and - * start the new one). - */ - -#include <gtk/gtktreeview.h> - -#include "gossip-cell-renderer-expander.h" - -#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GOSSIP_TYPE_CELL_RENDERER_EXPANDER, GossipCellRendererExpanderPriv)) - -static void gossip_cell_renderer_expander_init (GossipCellRendererExpander *expander); -static void gossip_cell_renderer_expander_class_init (GossipCellRendererExpanderClass *klass); -static void gossip_cell_renderer_expander_get_property (GObject *object, - guint param_id, - GValue *value, - GParamSpec *pspec); -static void gossip_cell_renderer_expander_set_property (GObject *object, - guint param_id, - const GValue *value, - GParamSpec *pspec); -static void gossip_cell_renderer_expander_finalize (GObject *object); -static void gossip_cell_renderer_expander_get_size (GtkCellRenderer *cell, - GtkWidget *widget, - GdkRectangle *cell_area, - gint *x_offset, - gint *y_offset, - gint *width, - gint *height); -static void gossip_cell_renderer_expander_render (GtkCellRenderer *cell, - GdkWindow *window, - GtkWidget *widget, - GdkRectangle *background_area, - GdkRectangle *cell_area, - GdkRectangle *expose_area, - GtkCellRendererState flags); -static gboolean gossip_cell_renderer_expander_activate (GtkCellRenderer *cell, - GdkEvent *event, - GtkWidget *widget, - const gchar *path, - GdkRectangle *background_area, - GdkRectangle *cell_area, - GtkCellRendererState flags); - -enum { - PROP_0, - PROP_EXPANDER_STYLE, - PROP_EXPANDER_SIZE, - PROP_ACTIVATABLE -}; - -typedef struct _GossipCellRendererExpanderPriv GossipCellRendererExpanderPriv; - -struct _GossipCellRendererExpanderPriv { - GtkExpanderStyle expander_style; - gint expander_size; - - GtkTreeView *animation_view; - GtkTreeRowReference *animation_node; - GtkExpanderStyle animation_style; - guint animation_timeout; - GdkRectangle animation_area; - - guint activatable : 1; - guint animation_expanding : 1; -}; - -G_DEFINE_TYPE (GossipCellRendererExpander, gossip_cell_renderer_expander, GTK_TYPE_CELL_RENDERER) - -static void -gossip_cell_renderer_expander_init (GossipCellRendererExpander *expander) -{ - GossipCellRendererExpanderPriv *priv; - - priv = GET_PRIV (expander); - - priv->expander_style = GTK_EXPANDER_COLLAPSED; - priv->expander_size = 12; - priv->activatable = TRUE; - priv->animation_node = NULL; - - GTK_CELL_RENDERER (expander)->xpad = 2; - GTK_CELL_RENDERER (expander)->ypad = 2; - GTK_CELL_RENDERER (expander)->mode = GTK_CELL_RENDERER_MODE_ACTIVATABLE; -} - -static void -gossip_cell_renderer_expander_class_init (GossipCellRendererExpanderClass *klass) -{ - GObjectClass *object_class; - GtkCellRendererClass *cell_class; - - object_class = G_OBJECT_CLASS (klass); - cell_class = GTK_CELL_RENDERER_CLASS (klass); - - object_class->finalize = gossip_cell_renderer_expander_finalize; - - object_class->get_property = gossip_cell_renderer_expander_get_property; - object_class->set_property = gossip_cell_renderer_expander_set_property; - - cell_class->get_size = gossip_cell_renderer_expander_get_size; - cell_class->render = gossip_cell_renderer_expander_render; - cell_class->activate = gossip_cell_renderer_expander_activate; - - g_object_class_install_property (object_class, - PROP_EXPANDER_STYLE, - g_param_spec_enum ("expander-style", - "Expander Style", - "Style to use when painting the expander", - GTK_TYPE_EXPANDER_STYLE, - GTK_EXPANDER_COLLAPSED, - G_PARAM_READWRITE)); - - g_object_class_install_property (object_class, - PROP_EXPANDER_SIZE, - g_param_spec_int ("expander-size", - "Expander Size", - "The size of the expander", - 0, - G_MAXINT, - 12, - G_PARAM_READWRITE)); - - g_object_class_install_property (object_class, - PROP_ACTIVATABLE, - g_param_spec_boolean ("activatable", - "Activatable", - "The expander can be activated", - TRUE, - G_PARAM_READWRITE)); - - g_type_class_add_private (object_class, sizeof (GossipCellRendererExpanderPriv)); -} - -static void -gossip_cell_renderer_expander_get_property (GObject *object, - guint param_id, - GValue *value, - GParamSpec *pspec) -{ - GossipCellRendererExpander *expander; - GossipCellRendererExpanderPriv *priv; - - expander = GOSSIP_CELL_RENDERER_EXPANDER (object); - priv = GET_PRIV (expander); - - switch (param_id) { - case PROP_EXPANDER_STYLE: - g_value_set_enum (value, priv->expander_style); - break; - - case PROP_EXPANDER_SIZE: - g_value_set_int (value, priv->expander_size); - break; - - case PROP_ACTIVATABLE: - g_value_set_boolean (value, priv->activatable); - break; - - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); - break; - } -} - -static void -gossip_cell_renderer_expander_set_property (GObject *object, - guint param_id, - const GValue *value, - GParamSpec *pspec) -{ - GossipCellRendererExpander *expander; - GossipCellRendererExpanderPriv *priv; - - expander = GOSSIP_CELL_RENDERER_EXPANDER (object); - priv = GET_PRIV (expander); - - switch (param_id) { - case PROP_EXPANDER_STYLE: - priv->expander_style = g_value_get_enum (value); - break; - - case PROP_EXPANDER_SIZE: - priv->expander_size = g_value_get_int (value); - break; - - case PROP_ACTIVATABLE: - priv->activatable = g_value_get_boolean (value); - break; - - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); - break; - } -} - -static void -gossip_cell_renderer_expander_finalize (GObject *object) -{ - GossipCellRendererExpanderPriv *priv; - - priv = GET_PRIV (object); - - if (priv->animation_timeout) { - g_source_remove (priv->animation_timeout); - priv->animation_timeout = 0; - } - - if (priv->animation_node) { - gtk_tree_row_reference_free (priv->animation_node); - } - - (* G_OBJECT_CLASS (gossip_cell_renderer_expander_parent_class)->finalize) (object); -} - -GtkCellRenderer * -gossip_cell_renderer_expander_new (void) -{ - return g_object_new (GOSSIP_TYPE_CELL_RENDERER_EXPANDER, NULL); -} - -static void -gossip_cell_renderer_expander_get_size (GtkCellRenderer *cell, - GtkWidget *widget, - GdkRectangle *cell_area, - gint *x_offset, - gint *y_offset, - gint *width, - gint *height) -{ - GossipCellRendererExpander *expander; - GossipCellRendererExpanderPriv *priv; - - expander = (GossipCellRendererExpander*) cell; - priv = GET_PRIV (expander); - - if (cell_area) { - if (x_offset) { - *x_offset = cell->xalign * (cell_area->width - (priv->expander_size + (2 * cell->xpad))); - *x_offset = MAX (*x_offset, 0); - } - - if (y_offset) { - *y_offset = cell->yalign * (cell_area->height - (priv->expander_size + (2 * cell->ypad))); - *y_offset = MAX (*y_offset, 0); - } - } else { - if (x_offset) - *x_offset = 0; - - if (y_offset) - *y_offset = 0; - } - - if (width) - *width = cell->xpad * 2 + priv->expander_size; - - if (height) - *height = cell->ypad * 2 + priv->expander_size; -} - -static void -gossip_cell_renderer_expander_render (GtkCellRenderer *cell, - GdkWindow *window, - GtkWidget *widget, - GdkRectangle *background_area, - GdkRectangle *cell_area, - GdkRectangle *expose_area, - GtkCellRendererState flags) -{ - GossipCellRendererExpander *expander; - GossipCellRendererExpanderPriv *priv; - GtkExpanderStyle expander_style; - gint x_offset, y_offset; - - expander = (GossipCellRendererExpander*) cell; - priv = GET_PRIV (expander); - - if (priv->animation_node) { - GtkTreePath *path; - GdkRectangle rect; - - /* Not sure if I like this ... */ - path = gtk_tree_row_reference_get_path (priv->animation_node); - gtk_tree_view_get_background_area (priv->animation_view, path, - NULL, &rect); - gtk_tree_path_free (path); - - if (background_area->y == rect.y) - expander_style = priv->animation_style; - else - expander_style = priv->expander_style; - } else - expander_style = priv->expander_style; - - gossip_cell_renderer_expander_get_size (cell, widget, cell_area, - &x_offset, &y_offset, - NULL, NULL); - - gtk_paint_expander (widget->style, - window, - GTK_STATE_NORMAL, - expose_area, - widget, - "treeview", - cell_area->x + x_offset + cell->xpad + priv->expander_size / 2, - cell_area->y + y_offset + cell->ypad + priv->expander_size / 2, - expander_style); -} - -static void -invalidate_node (GtkTreeView *tree_view, - GtkTreePath *path) -{ - GdkWindow *bin_window; - GdkRectangle rect; - - bin_window = gtk_tree_view_get_bin_window (tree_view); - - gtk_tree_view_get_background_area (tree_view, path, NULL, &rect); - - rect.x = 0; - rect.width = GTK_WIDGET (tree_view)->allocation.width; - - gdk_window_invalidate_rect (bin_window, &rect, TRUE); -} - -static gboolean -do_animation (GossipCellRendererExpander *expander) -{ - GossipCellRendererExpanderPriv *priv; - GtkTreePath *path; - gboolean done = FALSE; - - priv = GET_PRIV (expander); - - if (priv->animation_expanding) { - if (priv->animation_style == GTK_EXPANDER_SEMI_COLLAPSED) - priv->animation_style = GTK_EXPANDER_SEMI_EXPANDED; - else if (priv->animation_style == GTK_EXPANDER_SEMI_EXPANDED) { - priv->animation_style = GTK_EXPANDER_EXPANDED; - done = TRUE; - } - } else { - if (priv->animation_style == GTK_EXPANDER_SEMI_EXPANDED) - priv->animation_style = GTK_EXPANDER_SEMI_COLLAPSED; - else if (priv->animation_style == GTK_EXPANDER_SEMI_COLLAPSED) { - priv->animation_style = GTK_EXPANDER_COLLAPSED; - done = TRUE; - } - } - - path = gtk_tree_row_reference_get_path (priv->animation_node); - invalidate_node (priv->animation_view, path); - gtk_tree_path_free (path); - - if (done) { - gtk_tree_row_reference_free (priv->animation_node); - priv->animation_node = NULL; - priv->animation_timeout = 0; - } - - return !done; -} - -static gboolean -animation_timeout (gpointer data) -{ - gboolean retval; - - GDK_THREADS_ENTER (); - - retval = do_animation (data); - - GDK_THREADS_LEAVE (); - - return retval; -} - -static void -gossip_cell_renderer_expander_start_animation (GossipCellRendererExpander *expander, - GtkTreeView *tree_view, - GtkTreePath *path, - gboolean expanding, - GdkRectangle *background_area) -{ - GossipCellRendererExpanderPriv *priv; - - priv = GET_PRIV (expander); - - if (expanding) { - priv->animation_style = GTK_EXPANDER_SEMI_COLLAPSED; - } else { - priv->animation_style = GTK_EXPANDER_SEMI_EXPANDED; - } - - invalidate_node (tree_view, path); - - priv->animation_expanding = expanding; - priv->animation_view = tree_view; - priv->animation_node = gtk_tree_row_reference_new (gtk_tree_view_get_model (tree_view), path); - priv->animation_timeout = g_timeout_add (50, animation_timeout, expander); -} - -static gboolean -gossip_cell_renderer_expander_activate (GtkCellRenderer *cell, - GdkEvent *event, - GtkWidget *widget, - const gchar *path_string, - GdkRectangle *background_area, - GdkRectangle *cell_area, - GtkCellRendererState flags) -{ - GossipCellRendererExpander *expander; - GossipCellRendererExpanderPriv *priv; - GtkTreePath *path; - gboolean animate; - gboolean expanding; - - expander = GOSSIP_CELL_RENDERER_EXPANDER (cell); - priv = GET_PRIV (cell); - - if (!GTK_IS_TREE_VIEW (widget) || !priv->activatable) - return FALSE; - - path = gtk_tree_path_new_from_string (path_string); - - if (gtk_tree_path_get_depth (path) > 1) { - gtk_tree_path_free (path); - return TRUE; - } - - g_object_get (gtk_widget_get_settings (GTK_WIDGET (widget)), - "gtk-enable-animations", &animate, - NULL); - - if (gtk_tree_view_row_expanded (GTK_TREE_VIEW (widget), path)) { - gtk_tree_view_collapse_row (GTK_TREE_VIEW (widget), path); - expanding = FALSE; - } else { - gtk_tree_view_expand_row (GTK_TREE_VIEW (widget), path, FALSE); - expanding = TRUE; - } - - if (animate) { - gossip_cell_renderer_expander_start_animation (expander, - GTK_TREE_VIEW (widget), - path, - expanding, - background_area); - } - - gtk_tree_path_free (path); - - return TRUE; -} |