diff options
Diffstat (limited to 'subprojects/libgd/libgd/gd-main-view.c')
| -rw-r--r-- | subprojects/libgd/libgd/gd-main-view.c | 1160 |
1 files changed, 1160 insertions, 0 deletions
diff --git a/subprojects/libgd/libgd/gd-main-view.c b/subprojects/libgd/libgd/gd-main-view.c new file mode 100644 index 0000000..008162b --- /dev/null +++ b/subprojects/libgd/libgd/gd-main-view.c @@ -0,0 +1,1160 @@ +/* + * Copyright (c) 2011 Red Hat, Inc. + * + * This program 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 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 Lesser General Public + * License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Author: Cosimo Cecchi <cosimoc@redhat.com> + * + */ + +#include "gd-main-view.h" + +#include "gd-icon-utils.h" +#include "gd-main-view-generic.h" +#include "gd-main-icon-view.h" +#include "gd-main-list-view.h" + +#include <math.h> +#include <cairo-gobject.h> + +#define MAIN_VIEW_TYPE_INITIAL -1 +#define MAIN_VIEW_DND_ICON_OFFSET 20 +#define MAIN_VIEW_RUBBERBAND_SELECT_TRIGGER_LENGTH 32 + +typedef struct _GdMainViewPrivate GdMainViewPrivate; + +struct _GdMainViewPrivate { + GdMainViewType current_type; + gboolean selection_mode; + + GtkWidget *current_view; + GtkTreeModel *model; + + gboolean track_motion; + gboolean rubberband_select; + GtkTreePath *rubberband_select_first_path; + GtkTreePath *rubberband_select_last_path; + int button_down_x; + int button_down_y; + + gchar *button_press_item_path; + + gchar *last_selected_id; +}; + +enum { + PROP_VIEW_TYPE = 1, + PROP_SELECTION_MODE, + PROP_MODEL, + NUM_PROPERTIES +}; + +enum { + ITEM_ACTIVATED = 1, + SELECTION_MODE_REQUEST, + VIEW_SELECTION_CHANGED, + NUM_SIGNALS +}; + +static GParamSpec *properties[NUM_PROPERTIES] = { NULL, }; +static guint signals[NUM_SIGNALS] = { 0, }; + +G_DEFINE_TYPE_WITH_PRIVATE (GdMainView, gd_main_view, GTK_TYPE_SCROLLED_WINDOW) + +static void +gd_main_view_dispose (GObject *obj) +{ + GdMainView *self = GD_MAIN_VIEW (obj); + GdMainViewPrivate *priv; + + priv = gd_main_view_get_instance_private (self); + + g_clear_object (&priv->model); + + G_OBJECT_CLASS (gd_main_view_parent_class)->dispose (obj); +} + +static void +gd_main_view_finalize (GObject *obj) +{ + GdMainView *self = GD_MAIN_VIEW (obj); + GdMainViewPrivate *priv; + + priv = gd_main_view_get_instance_private (self); + + g_free (priv->button_press_item_path); + g_free (priv->last_selected_id); + + if (priv->rubberband_select_first_path) + gtk_tree_path_free (priv->rubberband_select_first_path); + + if (priv->rubberband_select_last_path) + gtk_tree_path_free (priv->rubberband_select_last_path); + + G_OBJECT_CLASS (gd_main_view_parent_class)->finalize (obj); +} + +static void +gd_main_view_init (GdMainView *self) +{ + GdMainViewPrivate *priv; + GtkStyleContext *context; + + priv = gd_main_view_get_instance_private (self); + + /* so that we get constructed with the right view even at startup */ + priv->current_type = MAIN_VIEW_TYPE_INITIAL; + + gtk_widget_set_hexpand (GTK_WIDGET (self), TRUE); + gtk_widget_set_vexpand (GTK_WIDGET (self), TRUE); + gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (self), GTK_SHADOW_IN); + gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (self), + GTK_POLICY_NEVER, + GTK_POLICY_AUTOMATIC); + + context = gtk_widget_get_style_context (GTK_WIDGET (self)); + gtk_style_context_add_class (context, "documents-scrolledwin"); +} + +static void +gd_main_view_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GdMainView *self = GD_MAIN_VIEW (object); + + switch (property_id) + { + case PROP_VIEW_TYPE: + g_value_set_int (value, gd_main_view_get_view_type (self)); + break; + case PROP_SELECTION_MODE: + g_value_set_boolean (value, gd_main_view_get_selection_mode (self)); + break; + case PROP_MODEL: + g_value_set_object (value, gd_main_view_get_model (self)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gd_main_view_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GdMainView *self = GD_MAIN_VIEW (object); + + switch (property_id) + { + case PROP_VIEW_TYPE: + gd_main_view_set_view_type (self, g_value_get_int (value)); + break; + case PROP_SELECTION_MODE: + gd_main_view_set_selection_mode (self, g_value_get_boolean (value)); + break; + case PROP_MODEL: + gd_main_view_set_model (self, g_value_get_object (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gd_main_view_class_init (GdMainViewClass *klass) +{ + GObjectClass *oclass = G_OBJECT_CLASS (klass); + + oclass->get_property = gd_main_view_get_property; + oclass->set_property = gd_main_view_set_property; + oclass->dispose = gd_main_view_dispose; + oclass->finalize = gd_main_view_finalize; + + properties[PROP_VIEW_TYPE] = + g_param_spec_int ("view-type", + "View type", + "View type", + GD_MAIN_VIEW_ICON, + GD_MAIN_VIEW_LIST, + GD_MAIN_VIEW_ICON, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT | + G_PARAM_STATIC_STRINGS); + + properties[PROP_SELECTION_MODE] = + g_param_spec_boolean ("selection-mode", + "Selection mode", + "Whether the view is in selection mode", + FALSE, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT | + G_PARAM_STATIC_STRINGS); + + properties[PROP_MODEL] = + g_param_spec_object ("model", + "Model", + "The GtkTreeModel", + GTK_TYPE_TREE_MODEL, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT | + G_PARAM_STATIC_STRINGS); + + signals[ITEM_ACTIVATED] = + g_signal_new ("item-activated", + GD_TYPE_MAIN_VIEW, + G_SIGNAL_RUN_LAST, + 0, NULL, NULL, NULL, + G_TYPE_NONE, 2, + G_TYPE_STRING, + GTK_TYPE_TREE_PATH); + + signals[SELECTION_MODE_REQUEST] = + g_signal_new ("selection-mode-request", + GD_TYPE_MAIN_VIEW, + G_SIGNAL_RUN_LAST, + 0, NULL, NULL, NULL, + G_TYPE_NONE, 0); + + signals[VIEW_SELECTION_CHANGED] = + g_signal_new ("view-selection-changed", + GD_TYPE_MAIN_VIEW, + G_SIGNAL_RUN_LAST, + 0, NULL, NULL, NULL, + G_TYPE_NONE, 0); + + g_object_class_install_properties (oclass, NUM_PROPERTIES, properties); +} + +static GdMainViewGeneric * +get_generic (GdMainView *self) +{ + GdMainViewPrivate *priv; + + priv = gd_main_view_get_instance_private (self); + + if (priv->current_view != NULL) + return GD_MAIN_VIEW_GENERIC (priv->current_view); + + return NULL; +} + +static void +do_select_row (GdMainView *self, + GtkTreeIter *iter, + gboolean value) +{ + GdMainViewPrivate *priv; + GtkTreeModel *model; + GtkTreeIter my_iter; + GtkTreePath *path; + + priv = gd_main_view_get_instance_private (self); + + model = priv->model; + my_iter = *iter; + + while (GTK_IS_TREE_MODEL_FILTER (model) || + GTK_IS_TREE_MODEL_SORT (model)) + { + GtkTreeIter child_iter; + + if (GTK_IS_TREE_MODEL_FILTER (model)) + { + GtkTreeModelFilter *filter; + + filter = GTK_TREE_MODEL_FILTER (model); + gtk_tree_model_filter_convert_iter_to_child_iter (filter, &child_iter, &my_iter); + model = gtk_tree_model_filter_get_model (filter); + } + else + { + GtkTreeModelSort *sort; + + sort = GTK_TREE_MODEL_SORT (model); + gtk_tree_model_sort_convert_iter_to_child_iter (sort, &child_iter, &my_iter); + model = gtk_tree_model_sort_get_model (sort); + } + + my_iter = child_iter; + } + + if (GTK_IS_LIST_STORE (model)) + { + gtk_list_store_set (GTK_LIST_STORE (model), &my_iter, + GD_MAIN_COLUMN_SELECTED, value, + -1); + } + else + { + gtk_tree_store_set (GTK_TREE_STORE (model), &my_iter, + GD_MAIN_COLUMN_SELECTED, value, + -1); + } + + /* And tell the view model that something changed */ + path = gtk_tree_model_get_path (priv->model, iter); + if (path) + { + gtk_tree_model_row_changed (priv->model, path, iter); + gtk_tree_path_free (path); + } +} + +static void +selection_mode_do_select_range (GdMainView *self, + GtkTreeIter *first_element, + GtkTreeIter *last_element) +{ + GdMainViewPrivate *priv; + GtkTreeIter iter; + GtkTreePath *path, *last_path; + gboolean equal; + + priv = gd_main_view_get_instance_private (self); + + path = gtk_tree_model_get_path (priv->model, first_element); + last_path = gtk_tree_model_get_path (priv->model, last_element); + if (gtk_tree_path_compare (path, last_path) > 0) + { + gtk_tree_path_free (last_path); + last_path = path; + iter = *last_element; + } + else + { + gtk_tree_path_free (path); + iter = *first_element; + } + + do + { + do_select_row (self, &iter, TRUE); + + path = gtk_tree_model_get_path (priv->model, &iter); + equal = (gtk_tree_path_compare (path, last_path) == 0); + gtk_tree_path_free (path); + + if (equal) + break; + } + while (gtk_tree_model_iter_next (priv->model, &iter)); + + gtk_tree_path_free (last_path); +} + +static void +selection_mode_select_range (GdMainView *self, + GtkTreeIter *iter) +{ + GdMainViewPrivate *priv; + GtkTreeIter other; + gboolean found = FALSE; + gboolean selected; + char *id; + + priv = gd_main_view_get_instance_private (self); + + if (priv->last_selected_id != NULL && + gtk_tree_model_get_iter_first (priv->model, &other)) + { + do + { + gtk_tree_model_get (priv->model, &other, + GD_MAIN_COLUMN_ID, &id, + -1); + if (g_strcmp0 (id, priv->last_selected_id) == 0) + { + g_free (id); + found = TRUE; + break; + } + g_free (id); + } + while (gtk_tree_model_iter_next (priv->model, &other)); + } + + if (!found) + { + other = *iter; + while (gtk_tree_model_iter_previous (priv->model, &other)) + { + gtk_tree_model_get (priv->model, &other, + GD_MAIN_COLUMN_SELECTED, &selected, + -1); + + if (selected) + { + found = TRUE; + break; + } + } + } + + if (!found) + { + other = *iter; + while (gtk_tree_model_iter_next (priv->model, &other)) + { + gtk_tree_model_get (priv->model, &other, + GD_MAIN_COLUMN_SELECTED, &selected, + -1); + if (selected) + { + found = TRUE; + break; + } + } + } + + if (found) + selection_mode_do_select_range (self, iter, &other); + else + { + /* no other selected element found, just select the iter */ + do_select_row (self, iter, TRUE); + } + + g_signal_emit (self, signals[VIEW_SELECTION_CHANGED], 0); +} + +static gboolean +toggle_selection_for_path (GdMainView *self, + GtkTreePath *path, + gboolean select_range) +{ + GdMainViewPrivate *priv; + gboolean selected; + GtkTreeIter iter; + char *id; + + priv = gd_main_view_get_instance_private (self); + + if (priv->model == NULL) + return FALSE; + + if (!gtk_tree_model_get_iter (priv->model, &iter, path)) + return FALSE; + + gtk_tree_model_get (priv->model, &iter, + GD_MAIN_COLUMN_SELECTED, &selected, + -1); + + if (selected) + { + do_select_row (self, &iter, FALSE); + } + else if (!selected) + { + if (select_range) + selection_mode_select_range (self, &iter); + else + { + gtk_tree_model_get (priv->model, &iter, + GD_MAIN_COLUMN_ID, &id, + -1); + g_free (priv->last_selected_id); + priv->last_selected_id = id; + + do_select_row (self, &iter, TRUE); + } + } + + g_signal_emit (self, signals[VIEW_SELECTION_CHANGED], 0); + + return FALSE; +} + +static gboolean +activate_item_for_path (GdMainView *self, + GtkTreePath *path) +{ + GdMainViewPrivate *priv; + GtkTreeIter iter; + gchar *id; + + priv = gd_main_view_get_instance_private (self); + + if (priv->model == NULL) + return FALSE; + + if (!gtk_tree_model_get_iter (priv->model, &iter, path)) + return FALSE; + + gtk_tree_model_get (priv->model, &iter, + GD_MAIN_COLUMN_ID, &id, + -1); + + g_signal_emit (self, signals[ITEM_ACTIVATED], 0, id, path); + g_free (id); + + return FALSE; +} + +static gboolean +on_button_release_selection_mode (GdMainView *self, + GdkEventButton *event, + GtkTreePath *path) +{ + return toggle_selection_for_path (self, path, ((event->state & GDK_SHIFT_MASK) != 0)); +} + +static gboolean +on_button_release_view_mode (GdMainView *self, + GdkEventButton *event, + GtkTreePath *path) +{ + return activate_item_for_path (self, path); +} + +static gboolean +event_triggers_selection_mode (GdkEventButton *event) +{ + return + (event->button == 3) || + ((event->button == 1) && (event->state & GDK_CONTROL_MASK)); +} + +static gboolean +on_button_release_event (GtkWidget *view, + GdkEventButton *event, + gpointer user_data) +{ + GdMainView *self = user_data; + GdMainViewPrivate *priv; + GdMainViewGeneric *generic = get_generic (self); + GtkTreePath *path, *start_path, *end_path, *tmp_path; + GtkTreeIter iter; + gchar *button_release_item_path; + gboolean selection_mode; + gboolean res, same_item = FALSE; + gboolean is_selected; + + priv = gd_main_view_get_instance_private (self); + + /* eat double/triple click events */ + if (event->type != GDK_BUTTON_RELEASE) + return TRUE; + + path = gd_main_view_generic_get_path_at_pos (generic, event->x, event->y); + + if (path != NULL) + { + button_release_item_path = gtk_tree_path_to_string (path); + if (g_strcmp0 (priv->button_press_item_path, button_release_item_path) == 0) + same_item = TRUE; + + g_free (button_release_item_path); + } + + g_free (priv->button_press_item_path); + priv->button_press_item_path = NULL; + + priv->track_motion = FALSE; + if (priv->rubberband_select) + { + priv->rubberband_select = FALSE; + gd_main_view_generic_set_rubberband_range (get_generic (self), NULL, NULL); + if (priv->rubberband_select_last_path) + { + if (!priv->selection_mode) + g_signal_emit (self, signals[SELECTION_MODE_REQUEST], 0); + if (!priv->selection_mode) + { + res = FALSE; + goto out; + } + + start_path = gtk_tree_path_copy (priv->rubberband_select_first_path); + end_path = gtk_tree_path_copy (priv->rubberband_select_last_path); + if (gtk_tree_path_compare (start_path, end_path) > 0) + { + tmp_path = start_path; + start_path = end_path; + end_path = tmp_path; + } + + while (gtk_tree_path_compare (start_path, end_path) <= 0) + { + if (gtk_tree_model_get_iter (priv->model, + &iter, start_path)) + { + gtk_tree_model_get (priv->model, &iter, + GD_MAIN_COLUMN_SELECTED, &is_selected, + -1); + do_select_row (self, &iter, !is_selected); + } + + gtk_tree_path_next (start_path); + } + + g_signal_emit (self, signals[VIEW_SELECTION_CHANGED], 0); + + gtk_tree_path_free (start_path); + gtk_tree_path_free (end_path); + } + + g_clear_pointer (&priv->rubberband_select_first_path, + gtk_tree_path_free); + g_clear_pointer (&priv->rubberband_select_last_path, + gtk_tree_path_free); + + res = TRUE; + goto out; + } + + if (!same_item) + { + res = FALSE; + goto out; + } + + selection_mode = priv->selection_mode; + + if (!selection_mode) + { + if (event_triggers_selection_mode (event)) + { + g_signal_emit (self, signals[SELECTION_MODE_REQUEST], 0); + if (!priv->selection_mode) + { + res = FALSE; + goto out; + } + selection_mode = priv->selection_mode; + } + } + + if (selection_mode) + res = on_button_release_selection_mode (self, event, path); + else + res = on_button_release_view_mode (self, event, path); + + out: + gtk_tree_path_free (path); + return res; +} + +static gboolean +on_button_press_event (GtkWidget *view, + GdkEventButton *event, + gpointer user_data) +{ + GdMainView *self = user_data; + GdMainViewPrivate *priv; + GdMainViewGeneric *generic = get_generic (self); + GtkTreePath *path; + GList *selection, *l; + GtkTreePath *sel_path; + gboolean found = FALSE; + gboolean force_selection; + + priv = gd_main_view_get_instance_private (self); + + path = gd_main_view_generic_get_path_at_pos (generic, event->x, event->y); + + if (path != NULL) + priv->button_press_item_path = gtk_tree_path_to_string (path); + + force_selection = event_triggers_selection_mode (event); + if (!priv->selection_mode && !force_selection) + { + gtk_tree_path_free (path); + return FALSE; + } + + if (path && !force_selection) + { + selection = gd_main_view_get_selection (self); + + for (l = selection; l != NULL; l = l->next) + { + sel_path = l->data; + if (gtk_tree_path_compare (path, sel_path) == 0) + { + found = TRUE; + break; + } + } + + if (selection != NULL) + g_list_free_full (selection, (GDestroyNotify) gtk_tree_path_free); + } + + /* if we did not find the item in the selection, block + * drag and drop, while in selection mode + */ + if (!found) + { + priv->track_motion = TRUE; + priv->rubberband_select = FALSE; + priv->rubberband_select_first_path = NULL; + priv->rubberband_select_last_path = NULL; + priv->button_down_x = event->x; + priv->button_down_y = event->y; + return TRUE; + } + else + return FALSE; +} + +static gboolean +on_motion_event (GtkWidget *widget, + GdkEventMotion *event, + gpointer user_data) +{ + GdMainView *self = user_data; + GdMainViewPrivate *priv; + GtkTreePath *path; + + priv = gd_main_view_get_instance_private (self); + + if (priv->track_motion) + { + if (!priv->rubberband_select && + (event->x - priv->button_down_x) * (event->x - priv->button_down_x) + + (event->y - priv->button_down_y) * (event->y - priv->button_down_y) > + MAIN_VIEW_RUBBERBAND_SELECT_TRIGGER_LENGTH * MAIN_VIEW_RUBBERBAND_SELECT_TRIGGER_LENGTH) + { + priv->rubberband_select = TRUE; + if (priv->button_press_item_path) + { + priv->rubberband_select_first_path = + gtk_tree_path_new_from_string (priv->button_press_item_path); + } + } + + if (priv->rubberband_select) + { + path = gd_main_view_generic_get_path_at_pos (get_generic (self), event->x, event->y); + if (path != NULL) + { + if (priv->rubberband_select_first_path == NULL) + priv->rubberband_select_first_path = gtk_tree_path_copy (path); + + if (priv->rubberband_select_last_path == NULL || + gtk_tree_path_compare (priv->rubberband_select_last_path, path) != 0) + { + if (priv->rubberband_select_last_path) + gtk_tree_path_free (priv->rubberband_select_last_path); + priv->rubberband_select_last_path = path; + + gd_main_view_generic_set_rubberband_range (get_generic (self), + priv->rubberband_select_first_path, + priv->rubberband_select_last_path); + } + else + gtk_tree_path_free (path); + } + } + } + return FALSE; +} + +static void +on_drag_begin (GdMainViewGeneric *generic, + GdkDragContext *drag_context, + gpointer user_data) +{ + GdMainView *self = user_data; + GdMainViewPrivate *priv; + + priv = gd_main_view_get_instance_private (self); + + if (priv->button_press_item_path != NULL) + { + gboolean res; + GtkTreeIter iter; + gpointer data; + cairo_surface_t *surface = NULL; + GtkTreePath *path; + GType column_gtype; + + path = gtk_tree_path_new_from_string (priv->button_press_item_path); + res = gtk_tree_model_get_iter (priv->model, + &iter, path); + if (res) + gtk_tree_model_get (priv->model, &iter, + GD_MAIN_COLUMN_ICON, &data, + -1); + + column_gtype = gtk_tree_model_get_column_type (priv->model, + GD_MAIN_COLUMN_ICON); + + if (column_gtype == CAIRO_GOBJECT_TYPE_SURFACE) + { + surface = gd_copy_image_surface (data); + cairo_surface_destroy (data); + } + else if (column_gtype == GDK_TYPE_PIXBUF) + { + surface = gdk_cairo_surface_create_from_pixbuf (data, 1, NULL); + g_object_unref (data); + } + else + g_assert_not_reached (); + + if (priv->selection_mode && + surface != NULL) + { + GList *selection; + cairo_surface_t *counter; + + selection = gd_main_view_get_selection (self); + + if (g_list_length (selection) > 1) + { + counter = gd_create_surface_with_counter (GTK_WIDGET (self), surface, g_list_length (selection)); + cairo_surface_destroy (surface); + surface = counter; + } + + if (selection != NULL) + g_list_free_full (selection, (GDestroyNotify) gtk_tree_path_free); + } + + if (surface != NULL) + { + cairo_surface_set_device_offset (surface, + -MAIN_VIEW_DND_ICON_OFFSET, + -MAIN_VIEW_DND_ICON_OFFSET); + gtk_drag_set_icon_surface (drag_context, surface); + cairo_surface_destroy (surface); + } + + gtk_tree_path_free (path); + } +} + +static void +on_view_path_activated (GdMainView *self, + GtkTreePath *path) +{ + GdMainViewPrivate *priv; + GdkModifierType state; + + priv = gd_main_view_get_instance_private (self); + + gtk_get_current_event_state (&state); + + if (priv->selection_mode || (state & GDK_CONTROL_MASK) != 0) + { + if (!priv->selection_mode) + g_signal_emit (self, signals[SELECTION_MODE_REQUEST], 0); + toggle_selection_for_path (self, path, ((state & GDK_SHIFT_MASK) != 0)); + } + else + activate_item_for_path (self, path); +} + +static void +on_list_view_row_activated (GtkTreeView *tree_view, + GtkTreePath *path, + GtkTreeViewColumn *column, + gpointer user_data) +{ + GdMainView *self = user_data; + on_view_path_activated (self, path); +} + +static void +on_icon_view_item_activated (GtkIconView *icon_view, + GtkTreePath *path, + gpointer user_data) +{ + GdMainView *self = user_data; + on_view_path_activated (self, path); +} + +static void +on_view_selection_changed (GtkWidget *view, + gpointer user_data) +{ + GdMainView *self = user_data; + + g_signal_emit (self, signals[VIEW_SELECTION_CHANGED], 0); +} + +static void +on_row_deleted_cb (GtkTreeModel *model, + GtkTreePath *path, + gpointer user_data) +{ + GdMainView *self = user_data; + + g_signal_emit (self, signals[VIEW_SELECTION_CHANGED], 0); +} + +static void +gd_main_view_apply_model (GdMainView *self) +{ + GdMainViewPrivate *priv; + GdMainViewGeneric *generic = get_generic (self); + + priv = gd_main_view_get_instance_private (self); + gd_main_view_generic_set_model (generic, priv->model); +} + +static void +gd_main_view_apply_selection_mode (GdMainView *self) +{ + GdMainViewPrivate *priv; + GdMainViewGeneric *generic = get_generic (self); + + priv = gd_main_view_get_instance_private (self); + + gd_main_view_generic_set_selection_mode (generic, priv->selection_mode); + + if (!priv->selection_mode) + { + g_clear_pointer (&priv->last_selected_id, g_free); + if (priv->model != NULL) + gd_main_view_unselect_all (self); + } +} + +static void +gd_main_view_rebuild (GdMainView *self) +{ + GdMainViewPrivate *priv; + GtkStyleContext *context; + + priv = gd_main_view_get_instance_private (self); + + if (priv->current_view != NULL) + gtk_widget_destroy (priv->current_view); + + if (priv->current_type == GD_MAIN_VIEW_ICON) + { + priv->current_view = gd_main_icon_view_new (); + g_signal_connect (priv->current_view, "item-activated", + G_CALLBACK (on_icon_view_item_activated), self); + } + else + { + priv->current_view = gd_main_list_view_new (); + g_signal_connect (priv->current_view, "row-activated", + G_CALLBACK (on_list_view_row_activated), self); + } + + context = gtk_widget_get_style_context (priv->current_view); + gtk_style_context_add_class (context, "content-view"); + + gtk_container_add (GTK_CONTAINER (self), priv->current_view); + + g_signal_connect (priv->current_view, "button-press-event", + G_CALLBACK (on_button_press_event), self); + g_signal_connect (priv->current_view, "button-release-event", + G_CALLBACK (on_button_release_event), self); + g_signal_connect (priv->current_view, "motion-notify-event", + G_CALLBACK (on_motion_event), self); + g_signal_connect_after (priv->current_view, "drag-begin", + G_CALLBACK (on_drag_begin), self); + g_signal_connect (priv->current_view, "view-selection-changed", + G_CALLBACK (on_view_selection_changed), self); + + gd_main_view_apply_model (self); + gd_main_view_apply_selection_mode (self); + + gtk_widget_show_all (GTK_WIDGET (self)); +} + +GdMainView * +gd_main_view_new (GdMainViewType type) +{ + return g_object_new (GD_TYPE_MAIN_VIEW, + "view-type", type, + NULL); +} + +void +gd_main_view_set_view_type (GdMainView *self, + GdMainViewType type) +{ + GdMainViewPrivate *priv; + + priv = gd_main_view_get_instance_private (self); + + if (type != priv->current_type) + { + priv->current_type = type; + gd_main_view_rebuild (self); + + g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_VIEW_TYPE]); + } +} + +GdMainViewType +gd_main_view_get_view_type (GdMainView *self) +{ + GdMainViewPrivate *priv; + + priv = gd_main_view_get_instance_private (self); + return priv->current_type; +} + +void +gd_main_view_set_selection_mode (GdMainView *self, + gboolean selection_mode) +{ + GdMainViewPrivate *priv; + + priv = gd_main_view_get_instance_private (self); + + if (selection_mode != priv->selection_mode) + { + priv->selection_mode = selection_mode; + gd_main_view_apply_selection_mode (self); + g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SELECTION_MODE]); + } +} + +gboolean +gd_main_view_get_selection_mode (GdMainView *self) +{ + GdMainViewPrivate *priv; + + priv = gd_main_view_get_instance_private (self); + return priv->selection_mode; +} + +/** + * gd_main_view_set_model: + * @self: + * @model: (allow-none): + * + */ +void +gd_main_view_set_model (GdMainView *self, + GtkTreeModel *model) +{ + GdMainViewPrivate *priv; + + priv = gd_main_view_get_instance_private (self); + + if (model != priv->model) + { + if (priv->model) + g_signal_handlers_disconnect_by_func (priv->model, + on_row_deleted_cb, self); + + g_clear_object (&priv->model); + + if (model) + { + priv->model = g_object_ref (model); + g_signal_connect (priv->model, "row-deleted", + G_CALLBACK (on_row_deleted_cb), self); + } + else + { + priv->model = NULL; + } + + gd_main_view_apply_model (self); + g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_MODEL]); + } +} + +/** + * gd_main_view_get_model: + * @self: + * + * Returns: (transfer none): + */ +GtkTreeModel * +gd_main_view_get_model (GdMainView *self) +{ + GdMainViewPrivate *priv; + + priv = gd_main_view_get_instance_private (self); + return priv->model; +} + +/** + * gd_main_view_get_generic_view: + * @self: + * + * Returns: (transfer none): + */ +GtkWidget * +gd_main_view_get_generic_view (GdMainView *self) +{ + GdMainViewPrivate *priv; + + priv = gd_main_view_get_instance_private (self); + return priv->current_view; +} + +static gboolean +build_selection_list_foreach (GtkTreeModel *model, + GtkTreePath *path, + GtkTreeIter *iter, + gpointer user_data) +{ + GList **sel = user_data; + gboolean is_selected; + + gtk_tree_model_get (model, iter, + GD_MAIN_COLUMN_SELECTED, &is_selected, + -1); + + if (is_selected) + *sel = g_list_prepend (*sel, gtk_tree_path_copy (path)); + + return FALSE; +} + +/** + * gd_main_view_get_selection: + * @self: + * + * Returns: (element-type GtkTreePath) (transfer full): + */ +GList * +gd_main_view_get_selection (GdMainView *self) +{ + GdMainViewPrivate *priv; + GList *retval = NULL; + + priv = gd_main_view_get_instance_private (self); + + gtk_tree_model_foreach (priv->model, + build_selection_list_foreach, + &retval); + + return g_list_reverse (retval); +} + +void +gd_main_view_select_all (GdMainView *self) +{ + GdMainViewGeneric *generic = get_generic (self); + + gd_main_view_generic_select_all (generic); +} + +void +gd_main_view_unselect_all (GdMainView *self) +{ + GdMainViewGeneric *generic = get_generic (self); + + gd_main_view_generic_unselect_all (generic); +} |