/* gtktreeviewcolumn.c * Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library. If not, see . */ #include "config.h" #include "gtktreeviewcolumn.h" #include "gtkbox.h" #include "gtkbutton.h" #include "gtkcellareabox.h" #include "gtkcellareacontext.h" #include "gtkcelllayout.h" #include "gtkframe.h" #include "gtkimage.h" #include "gtkintl.h" #include "gtklabel.h" #include "gtkmarshalers.h" #include "gtkprivate.h" #include "gtktreeprivate.h" #include "gtktreeview.h" #include "gtktypebuiltins.h" #include "gtkwidgetprivate.h" #include "gtkgesturedrag.h" #include "a11y/gtktreeviewaccessibleprivate.h" #include /** * SECTION:gtktreeviewcolumn * @Short_description: A visible column in a GtkTreeView widget * @Title: GtkTreeViewColumn * @See_also: #GtkTreeView, #GtkTreeSelection, #GtkTreeModel, #GtkTreeSortable, * #GtkTreeModelSort, #GtkListStore, #GtkTreeStore, #GtkCellRenderer, #GtkCellEditable, * #GtkCellRendererPixbuf, #GtkCellRendererText, #GtkCellRendererToggle, * [GtkTreeView drag-and-drop][gtk3-GtkTreeView-drag-and-drop] * * The GtkTreeViewColumn object represents a visible column in a #GtkTreeView widget. * It allows to set properties of the column header, and functions as a holding pen for * the cell renderers which determine how the data in the column is displayed. * * Please refer to the [tree widget conceptual overview][TreeWidget] * for an overview of all the objects and data types related to the tree widget and how * they work together. */ /* Type methods */ static void gtk_tree_view_column_cell_layout_init (GtkCellLayoutIface *iface); /* GObject methods */ static void gtk_tree_view_column_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void gtk_tree_view_column_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static void gtk_tree_view_column_finalize (GObject *object); static void gtk_tree_view_column_dispose (GObject *object); static void gtk_tree_view_column_constructed (GObject *object); /* GtkCellLayout implementation */ static void gtk_tree_view_column_ensure_cell_area (GtkTreeViewColumn *column, GtkCellArea *cell_area); static GtkCellArea *gtk_tree_view_column_cell_layout_get_area (GtkCellLayout *cell_layout); /* Button handling code */ static void gtk_tree_view_column_create_button (GtkTreeViewColumn *tree_column); static void gtk_tree_view_column_update_button (GtkTreeViewColumn *tree_column); /* Button signal handlers */ static void column_button_drag_begin (GtkGestureDrag *gesture, gdouble x, gdouble y, GtkTreeViewColumn *column); static void column_button_drag_update (GtkGestureDrag *gesture, gdouble offset_x, gdouble offset_y, GtkTreeViewColumn *column); static void gtk_tree_view_column_button_clicked (GtkWidget *widget, gpointer data); static gboolean gtk_tree_view_column_mnemonic_activate (GtkWidget *widget, gboolean group_cycling, gpointer data); /* Property handlers */ static void gtk_tree_view_model_sort_column_changed (GtkTreeSortable *sortable, GtkTreeViewColumn *tree_column); /* GtkCellArea/GtkCellAreaContext callbacks */ static void gtk_tree_view_column_context_changed (GtkCellAreaContext *context, GParamSpec *pspec, GtkTreeViewColumn *tree_column); static void gtk_tree_view_column_add_editable_callback (GtkCellArea *area, GtkCellRenderer *renderer, GtkCellEditable *edit_widget, GdkRectangle *cell_area, const gchar *path_string, gpointer user_data); static void gtk_tree_view_column_remove_editable_callback (GtkCellArea *area, GtkCellRenderer *renderer, GtkCellEditable *edit_widget, gpointer user_data); /* Internal functions */ static void gtk_tree_view_column_sort (GtkTreeViewColumn *tree_column, gpointer data); static void gtk_tree_view_column_setup_sort_column_id_callback (GtkTreeViewColumn *tree_column); static void gtk_tree_view_column_set_attributesv (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell_renderer, va_list args); /* GtkBuildable implementation */ static void gtk_tree_view_column_buildable_init (GtkBuildableIface *iface); struct _GtkTreeViewColumnPrivate { GtkWidget *tree_view; GtkWidget *button; GtkWidget *child; GtkWidget *arrow; GtkWidget *frame; gulong property_changed_signal; gfloat xalign; /* Sizing fields */ /* see gtk+/doc/tree-column-sizing.txt for more information on them */ GtkTreeViewColumnSizing column_type; gint padding; gint x_offset; gint width; gint fixed_width; gint min_width; gint max_width; /* dragging columns */ gint drag_x; gint drag_y; gchar *title; /* Sorting */ gulong sort_clicked_signal; gulong sort_column_changed_signal; gint sort_column_id; GtkSortType sort_order; /* Cell area */ GtkCellArea *cell_area; GtkCellAreaContext *cell_area_context; gulong add_editable_signal; gulong remove_editable_signal; gulong context_changed_signal; /* Flags */ guint visible : 1; guint resizable : 1; guint clickable : 1; guint dirty : 1; guint show_sort_indicator : 1; guint maybe_reordered : 1; guint reorderable : 1; guint expand : 1; }; enum { PROP_0, PROP_VISIBLE, PROP_RESIZABLE, PROP_X_OFFSET, PROP_WIDTH, PROP_SPACING, PROP_SIZING, PROP_FIXED_WIDTH, PROP_MIN_WIDTH, PROP_MAX_WIDTH, PROP_TITLE, PROP_EXPAND, PROP_CLICKABLE, PROP_WIDGET, PROP_ALIGNMENT, PROP_REORDERABLE, PROP_SORT_INDICATOR, PROP_SORT_ORDER, PROP_SORT_COLUMN_ID, PROP_CELL_AREA, LAST_PROP }; enum { CLICKED, LAST_SIGNAL }; static guint tree_column_signals[LAST_SIGNAL] = { 0 }; static GParamSpec *tree_column_props[LAST_PROP] = { NULL, }; G_DEFINE_TYPE_WITH_CODE (GtkTreeViewColumn, gtk_tree_view_column, G_TYPE_INITIALLY_UNOWNED, G_ADD_PRIVATE (GtkTreeViewColumn) G_IMPLEMENT_INTERFACE (GTK_TYPE_CELL_LAYOUT, gtk_tree_view_column_cell_layout_init) G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE, gtk_tree_view_column_buildable_init)) static void gtk_tree_view_column_class_init (GtkTreeViewColumnClass *class) { GObjectClass *object_class; object_class = (GObjectClass*) class; class->clicked = NULL; object_class->constructed = gtk_tree_view_column_constructed; object_class->finalize = gtk_tree_view_column_finalize; object_class->dispose = gtk_tree_view_column_dispose; object_class->set_property = gtk_tree_view_column_set_property; object_class->get_property = gtk_tree_view_column_get_property; tree_column_signals[CLICKED] = g_signal_new (I_("clicked"), G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GtkTreeViewColumnClass, clicked), NULL, NULL, NULL, G_TYPE_NONE, 0); tree_column_props[PROP_VISIBLE] = g_param_spec_boolean ("visible", P_("Visible"), P_("Whether to display the column"), TRUE, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); tree_column_props[PROP_RESIZABLE] = g_param_spec_boolean ("resizable", P_("Resizable"), P_("Column is user-resizable"), FALSE, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); tree_column_props[PROP_X_OFFSET] = g_param_spec_int ("x-offset", P_("X position"), P_("Current X position of the column"), -G_MAXINT, G_MAXINT, 0, GTK_PARAM_READABLE); tree_column_props[PROP_WIDTH] = g_param_spec_int ("width", P_("Width"), P_("Current width of the column"), 0, G_MAXINT, 0, GTK_PARAM_READABLE); tree_column_props[PROP_SPACING] = g_param_spec_int ("spacing", P_("Spacing"), P_("Space which is inserted between cells"), 0, G_MAXINT, 0, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); tree_column_props[PROP_SIZING] = g_param_spec_enum ("sizing", P_("Sizing"), P_("Resize mode of the column"), GTK_TYPE_TREE_VIEW_COLUMN_SIZING, GTK_TREE_VIEW_COLUMN_GROW_ONLY, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); tree_column_props[PROP_FIXED_WIDTH] = g_param_spec_int ("fixed-width", P_("Fixed Width"), P_("Current fixed width of the column"), -1, G_MAXINT, -1, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); tree_column_props[PROP_MIN_WIDTH] = g_param_spec_int ("min-width", P_("Minimum Width"), P_("Minimum allowed width of the column"), -1, G_MAXINT, -1, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); tree_column_props[PROP_MAX_WIDTH] = g_param_spec_int ("max-width", P_("Maximum Width"), P_("Maximum allowed width of the column"), -1, G_MAXINT, -1, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); tree_column_props[PROP_TITLE] = g_param_spec_string ("title", P_("Title"), P_("Title to appear in column header"), "", GTK_PARAM_READWRITE); tree_column_props[PROP_EXPAND] = g_param_spec_boolean ("expand", P_("Expand"), P_("Column gets share of extra width allocated to the widget"), FALSE, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); tree_column_props[PROP_CLICKABLE] = g_param_spec_boolean ("clickable", P_("Clickable"), P_("Whether the header can be clicked"), FALSE, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); tree_column_props[PROP_WIDGET] = g_param_spec_object ("widget", P_("Widget"), P_("Widget to put in column header button instead of column title"), GTK_TYPE_WIDGET, GTK_PARAM_READWRITE); tree_column_props[PROP_ALIGNMENT] = g_param_spec_float ("alignment", P_("Alignment"), P_("X Alignment of the column header text or widget"), 0.0, 1.0, 0.0, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); tree_column_props[PROP_REORDERABLE] = g_param_spec_boolean ("reorderable", P_("Reorderable"), P_("Whether the column can be reordered around the headers"), FALSE, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); tree_column_props[PROP_SORT_INDICATOR] = g_param_spec_boolean ("sort-indicator", P_("Sort indicator"), P_("Whether to show a sort indicator"), FALSE, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); tree_column_props[PROP_SORT_ORDER] = g_param_spec_enum ("sort-order", P_("Sort order"), P_("Sort direction the sort indicator should indicate"), GTK_TYPE_SORT_TYPE, GTK_SORT_ASCENDING, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); /** * GtkTreeViewColumn:sort-column-id: * * Logical sort column ID this column sorts on when selected for sorting. Setting the sort column ID makes the column header * clickable. Set to -1 to make the column unsortable. **/ tree_column_props[PROP_SORT_COLUMN_ID] = g_param_spec_int ("sort-column-id", P_("Sort column ID"), P_("Logical sort column ID this column sorts on when selected for sorting"), -1, G_MAXINT, -1, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); /** * GtkTreeViewColumn:cell-area: * * The #GtkCellArea used to layout cell renderers for this column. * * If no area is specified when creating the tree view column with gtk_tree_view_column_new_with_area() * a horizontally oriented #GtkCellAreaBox will be used. */ tree_column_props[PROP_CELL_AREA] = g_param_spec_object ("cell-area", P_("Cell Area"), P_("The GtkCellArea used to layout cells"), GTK_TYPE_CELL_AREA, GTK_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY); g_object_class_install_properties (object_class, LAST_PROP, tree_column_props); } static void gtk_tree_view_column_custom_tag_end (GtkBuildable *buildable, GtkBuilder *builder, GObject *child, const gchar *tagname, gpointer data) { /* Just ignore the boolean return from here */ _gtk_cell_layout_buildable_custom_tag_end (buildable, builder, child, tagname, data); } static void gtk_tree_view_column_buildable_init (GtkBuildableIface *iface) { iface->add_child = _gtk_cell_layout_buildable_add_child; iface->custom_tag_start = _gtk_cell_layout_buildable_custom_tag_start; iface->custom_tag_end = gtk_tree_view_column_custom_tag_end; } static void gtk_tree_view_column_cell_layout_init (GtkCellLayoutIface *iface) { iface->get_area = gtk_tree_view_column_cell_layout_get_area; } static void gtk_tree_view_column_init (GtkTreeViewColumn *tree_column) { GtkTreeViewColumnPrivate *priv; tree_column->priv = gtk_tree_view_column_get_instance_private (tree_column); priv = tree_column->priv; priv->button = NULL; priv->xalign = 0.0; priv->width = 0; priv->padding = 0; priv->min_width = -1; priv->max_width = -1; priv->column_type = GTK_TREE_VIEW_COLUMN_GROW_ONLY; priv->visible = TRUE; priv->resizable = FALSE; priv->expand = FALSE; priv->clickable = FALSE; priv->dirty = TRUE; priv->sort_order = GTK_SORT_ASCENDING; priv->show_sort_indicator = FALSE; priv->property_changed_signal = 0; priv->sort_clicked_signal = 0; priv->sort_column_changed_signal = 0; priv->sort_column_id = -1; priv->reorderable = FALSE; priv->maybe_reordered = FALSE; priv->fixed_width = -1; priv->title = g_strdup (""); gtk_tree_view_column_create_button (tree_column); } static void gtk_tree_view_column_constructed (GObject *object) { GtkTreeViewColumn *tree_column = GTK_TREE_VIEW_COLUMN (object); G_OBJECT_CLASS (gtk_tree_view_column_parent_class)->constructed (object); gtk_tree_view_column_ensure_cell_area (tree_column, NULL); } static void gtk_tree_view_column_dispose (GObject *object) { GtkTreeViewColumn *tree_column = (GtkTreeViewColumn *) object; GtkTreeViewColumnPrivate *priv = tree_column->priv; /* Remove this column from its treeview, * in case this column is destroyed before its treeview. */ if (priv->tree_view) gtk_tree_view_remove_column (GTK_TREE_VIEW (priv->tree_view), tree_column); if (priv->cell_area_context) { g_signal_handler_disconnect (priv->cell_area_context, priv->context_changed_signal); g_object_unref (priv->cell_area_context); priv->cell_area_context = NULL; priv->context_changed_signal = 0; } if (priv->cell_area) { g_signal_handler_disconnect (priv->cell_area, priv->add_editable_signal); g_signal_handler_disconnect (priv->cell_area, priv->remove_editable_signal); g_object_unref (priv->cell_area); priv->cell_area = NULL; priv->add_editable_signal = 0; priv->remove_editable_signal = 0; } if (priv->child) { g_object_unref (priv->child); priv->child = NULL; } g_clear_object (&priv->button); G_OBJECT_CLASS (gtk_tree_view_column_parent_class)->dispose (object); } static void gtk_tree_view_column_finalize (GObject *object) { GtkTreeViewColumn *tree_column = (GtkTreeViewColumn *) object; GtkTreeViewColumnPrivate *priv = tree_column->priv; g_free (priv->title); G_OBJECT_CLASS (gtk_tree_view_column_parent_class)->finalize (object); } static void gtk_tree_view_column_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GtkTreeViewColumn *tree_column; GtkCellArea *area; tree_column = GTK_TREE_VIEW_COLUMN (object); switch (prop_id) { case PROP_VISIBLE: gtk_tree_view_column_set_visible (tree_column, g_value_get_boolean (value)); break; case PROP_RESIZABLE: gtk_tree_view_column_set_resizable (tree_column, g_value_get_boolean (value)); break; case PROP_SIZING: gtk_tree_view_column_set_sizing (tree_column, g_value_get_enum (value)); break; case PROP_FIXED_WIDTH: gtk_tree_view_column_set_fixed_width (tree_column, g_value_get_int (value)); break; case PROP_MIN_WIDTH: gtk_tree_view_column_set_min_width (tree_column, g_value_get_int (value)); break; case PROP_MAX_WIDTH: gtk_tree_view_column_set_max_width (tree_column, g_value_get_int (value)); break; case PROP_SPACING: gtk_tree_view_column_set_spacing (tree_column, g_value_get_int (value)); break; case PROP_TITLE: gtk_tree_view_column_set_title (tree_column, g_value_get_string (value)); break; case PROP_EXPAND: gtk_tree_view_column_set_expand (tree_column, g_value_get_boolean (value)); break; case PROP_CLICKABLE: gtk_tree_view_column_set_clickable (tree_column, g_value_get_boolean (value)); break; case PROP_WIDGET: gtk_tree_view_column_set_widget (tree_column, (GtkWidget*) g_value_get_object (value)); break; case PROP_ALIGNMENT: gtk_tree_view_column_set_alignment (tree_column, g_value_get_float (value)); break; case PROP_REORDERABLE: gtk_tree_view_column_set_reorderable (tree_column, g_value_get_boolean (value)); break; case PROP_SORT_INDICATOR: gtk_tree_view_column_set_sort_indicator (tree_column, g_value_get_boolean (value)); break; case PROP_SORT_ORDER: gtk_tree_view_column_set_sort_order (tree_column, g_value_get_enum (value)); break; case PROP_SORT_COLUMN_ID: gtk_tree_view_column_set_sort_column_id (tree_column, g_value_get_int (value)); break; case PROP_CELL_AREA: /* Construct-only, can only be assigned once */ area = g_value_get_object (value); if (area) { if (tree_column->priv->cell_area != NULL) { g_warning ("cell-area has already been set, ignoring construct property"); g_object_ref_sink (area); g_object_unref (area); } else gtk_tree_view_column_ensure_cell_area (tree_column, area); } break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_tree_view_column_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GtkTreeViewColumn *tree_column; tree_column = GTK_TREE_VIEW_COLUMN (object); switch (prop_id) { case PROP_VISIBLE: g_value_set_boolean (value, gtk_tree_view_column_get_visible (tree_column)); break; case PROP_RESIZABLE: g_value_set_boolean (value, gtk_tree_view_column_get_resizable (tree_column)); break; case PROP_X_OFFSET: g_value_set_int (value, gtk_tree_view_column_get_x_offset (tree_column)); break; case PROP_WIDTH: g_value_set_int (value, gtk_tree_view_column_get_width (tree_column)); break; case PROP_SPACING: g_value_set_int (value, gtk_tree_view_column_get_spacing (tree_column)); break; case PROP_SIZING: g_value_set_enum (value, gtk_tree_view_column_get_sizing (tree_column)); break; case PROP_FIXED_WIDTH: g_value_set_int (value, gtk_tree_view_column_get_fixed_width (tree_column)); break; case PROP_MIN_WIDTH: g_value_set_int (value, gtk_tree_view_column_get_min_width (tree_column)); break; case PROP_MAX_WIDTH: g_value_set_int (value, gtk_tree_view_column_get_max_width (tree_column)); break; case PROP_TITLE: g_value_set_string (value, gtk_tree_view_column_get_title (tree_column)); break; case PROP_EXPAND: g_value_set_boolean (value, gtk_tree_view_column_get_expand (tree_column)); break; case PROP_CLICKABLE: g_value_set_boolean (value, gtk_tree_view_column_get_clickable (tree_column)); break; case PROP_WIDGET: g_value_set_object (value, (GObject*) gtk_tree_view_column_get_widget (tree_column)); break; case PROP_ALIGNMENT: g_value_set_float (value, gtk_tree_view_column_get_alignment (tree_column)); break; case PROP_REORDERABLE: g_value_set_boolean (value, gtk_tree_view_column_get_reorderable (tree_column)); break; case PROP_SORT_INDICATOR: g_value_set_boolean (value, gtk_tree_view_column_get_sort_indicator (tree_column)); break; case PROP_SORT_ORDER: g_value_set_enum (value, gtk_tree_view_column_get_sort_order (tree_column)); break; case PROP_SORT_COLUMN_ID: g_value_set_int (value, gtk_tree_view_column_get_sort_column_id (tree_column)); break; case PROP_CELL_AREA: g_value_set_object (value, tree_column->priv->cell_area); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } /* Implementation of GtkCellLayout interface */ static void gtk_tree_view_column_ensure_cell_area (GtkTreeViewColumn *column, GtkCellArea *cell_area) { GtkTreeViewColumnPrivate *priv = column->priv; if (priv->cell_area) return; if (cell_area) priv->cell_area = cell_area; else priv->cell_area = gtk_cell_area_box_new (); g_object_ref_sink (priv->cell_area); priv->add_editable_signal = g_signal_connect (priv->cell_area, "add-editable", G_CALLBACK (gtk_tree_view_column_add_editable_callback), column); priv->remove_editable_signal = g_signal_connect (priv->cell_area, "remove-editable", G_CALLBACK (gtk_tree_view_column_remove_editable_callback), column); priv->cell_area_context = gtk_cell_area_create_context (priv->cell_area); priv->context_changed_signal = g_signal_connect (priv->cell_area_context, "notify", G_CALLBACK (gtk_tree_view_column_context_changed), column); } static GtkCellArea * gtk_tree_view_column_cell_layout_get_area (GtkCellLayout *cell_layout) { GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN (cell_layout); GtkTreeViewColumnPrivate *priv = column->priv; if (G_UNLIKELY (!priv->cell_area)) gtk_tree_view_column_ensure_cell_area (column, NULL); return priv->cell_area; } /* Button handling code */ static void gtk_tree_view_column_create_button (GtkTreeViewColumn *tree_column) { GtkTreeViewColumnPrivate *priv = tree_column->priv; GtkEventController *controller; GtkWidget *child; GtkWidget *hbox; g_return_if_fail (priv->button == NULL); priv->button = gtk_button_new (); g_object_ref_sink (priv->button); g_signal_connect (priv->button, "clicked", G_CALLBACK (gtk_tree_view_column_button_clicked), tree_column); controller = GTK_EVENT_CONTROLLER (gtk_gesture_drag_new ()); g_signal_connect (controller, "drag-begin", G_CALLBACK (column_button_drag_begin), tree_column); g_signal_connect (controller, "drag-update", G_CALLBACK (column_button_drag_update), tree_column); gtk_event_controller_set_propagation_phase (controller, GTK_PHASE_CAPTURE); gtk_widget_add_controller (priv->button, controller); priv->frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (priv->frame), GTK_SHADOW_NONE); gtk_widget_set_hexpand (priv->frame, TRUE); gtk_widget_set_halign (priv->frame, GTK_ALIGN_START); hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2); priv->arrow = gtk_image_new_from_icon_name ("pan-down-symbolic"); if (priv->child) child = priv->child; else { child = gtk_label_new (priv->title); } g_signal_connect (child, "mnemonic-activate", G_CALLBACK (gtk_tree_view_column_mnemonic_activate), tree_column); if (priv->xalign <= 0.5) { gtk_container_add (GTK_CONTAINER (hbox), priv->frame); gtk_container_add (GTK_CONTAINER (hbox), priv->arrow); } else { gtk_container_add (GTK_CONTAINER (hbox), priv->arrow); gtk_container_add (GTK_CONTAINER (hbox), priv->frame); } gtk_container_add (GTK_CONTAINER (priv->frame), child); gtk_container_add (GTK_CONTAINER (priv->button), hbox); } static void gtk_tree_view_column_update_button (GtkTreeViewColumn *tree_column) { GtkTreeViewColumnPrivate *priv = tree_column->priv; gint sort_column_id = -1; GtkWidget *hbox; GtkWidget *frame; GtkWidget *arrow; GtkWidget *current_child; const gchar *icon_name = "missing-image"; GtkTreeModel *model; if (priv->tree_view) model = gtk_tree_view_get_model (GTK_TREE_VIEW (priv->tree_view)); else model = NULL; hbox = gtk_bin_get_child (GTK_BIN (priv->button)); frame = priv->frame; arrow = priv->arrow; current_child = gtk_bin_get_child (GTK_BIN (frame)); /* Set up the actual button */ if (priv->child) { if (current_child != priv->child) { gtk_container_remove (GTK_CONTAINER (frame), current_child); gtk_container_add (GTK_CONTAINER (frame), priv->child); } } else { if (current_child == NULL) { current_child = gtk_label_new (NULL); gtk_widget_show (current_child); gtk_container_add (GTK_CONTAINER (frame), current_child); } g_return_if_fail (GTK_IS_LABEL (current_child)); if (priv->title) gtk_label_set_text_with_mnemonic (GTK_LABEL (current_child), priv->title); else gtk_label_set_text_with_mnemonic (GTK_LABEL (current_child), ""); } if (GTK_IS_TREE_SORTABLE (model)) gtk_tree_sortable_get_sort_column_id (GTK_TREE_SORTABLE (model), &sort_column_id, NULL); if (priv->show_sort_indicator) { gboolean alternative; if (priv->tree_view) g_object_get (gtk_widget_get_settings (priv->tree_view), "gtk-alternative-sort-arrows", &alternative, NULL); else alternative = FALSE; switch (priv->sort_order) { case GTK_SORT_ASCENDING: icon_name = alternative ? "pan-up-symbolic" : "pan-down-symbolic"; break; case GTK_SORT_DESCENDING: icon_name = alternative ? "pan-down-symbolic" : "pan-up-symbolic"; break; default: g_warning (G_STRLOC": bad sort order"); break; } } gtk_image_set_from_icon_name (GTK_IMAGE (arrow), icon_name); /* Put arrow on the right if the text is left-or-center justified, and on the * left otherwise; do this by packing boxes, so flipping text direction will * reverse things */ if (priv->xalign <= 0.5) gtk_box_reorder_child (GTK_BOX (hbox), arrow, 1); else gtk_box_reorder_child (GTK_BOX (hbox), arrow, 0); if (priv->show_sort_indicator || (GTK_IS_TREE_SORTABLE (model) && priv->sort_column_id >= 0)) gtk_widget_show (arrow); else gtk_widget_hide (arrow); if (priv->show_sort_indicator) gtk_widget_set_opacity (arrow, 1.0); else gtk_widget_set_opacity (arrow, 0.0); /* It's always safe to hide the button. It isn't always safe to show it, as * if you show it before it's realized, it'll get the wrong window. */ if (priv->tree_view != NULL && gtk_widget_get_realized (priv->tree_view)) { if (priv->visible && gtk_tree_view_get_headers_visible (GTK_TREE_VIEW (priv->tree_view))) { gtk_widget_show (priv->button); } else { gtk_widget_hide (priv->button); } } if (priv->reorderable || priv->clickable) { gtk_widget_set_can_focus (priv->button, TRUE); } else { gtk_widget_set_can_focus (priv->button, FALSE); if (gtk_widget_has_focus (priv->button)) { GtkWidget *toplevel = gtk_widget_get_toplevel (priv->tree_view); if (gtk_widget_is_toplevel (toplevel)) { gtk_window_set_focus (GTK_WINDOW (toplevel), NULL); } } } /* Queue a resize on the assumption that we always want to catch all changes * and columns don't change all that often. */ if (priv->tree_view && gtk_widget_get_realized (priv->tree_view)) gtk_widget_queue_resize (priv->tree_view); } /* Button signal handlers */ static void column_button_drag_begin (GtkGestureDrag *gesture, gdouble x, gdouble y, GtkTreeViewColumn *column) { GtkTreeViewColumnPrivate *priv = column->priv; if (!priv->reorderable) { gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_DENIED); return; } priv->drag_x = x; priv->drag_y = y; gtk_widget_grab_focus (priv->button); } static void column_button_drag_update (GtkGestureDrag *gesture, gdouble offset_x, gdouble offset_y, GtkTreeViewColumn *column) { GtkTreeViewColumnPrivate *priv = column->priv; if (gtk_drag_check_threshold (priv->button, 0, 0, offset_x, offset_y)) { gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_CLAIMED); _gtk_tree_view_column_start_drag (GTK_TREE_VIEW (priv->tree_view), column, gtk_gesture_get_device (GTK_GESTURE (gesture))); } } static void gtk_tree_view_column_button_clicked (GtkWidget *widget, gpointer data) { g_signal_emit_by_name (data, "clicked"); } static gboolean gtk_tree_view_column_mnemonic_activate (GtkWidget *widget, gboolean group_cycling, gpointer data) { GtkTreeViewColumn *column = (GtkTreeViewColumn *)data; GtkTreeViewColumnPrivate *priv = column->priv; g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (column), FALSE); _gtk_tree_view_set_focus_column (GTK_TREE_VIEW (priv->tree_view), column); if (priv->clickable) gtk_button_clicked (GTK_BUTTON (priv->button)); else if (gtk_widget_get_can_focus (priv->button)) gtk_widget_grab_focus (priv->button); else gtk_widget_grab_focus (priv->tree_view); return TRUE; } static void gtk_tree_view_model_sort_column_changed (GtkTreeSortable *sortable, GtkTreeViewColumn *column) { GtkTreeViewColumnPrivate *priv = column->priv; gint sort_column_id; GtkSortType order; if (gtk_tree_sortable_get_sort_column_id (sortable, &sort_column_id, &order)) { if (sort_column_id == priv->sort_column_id) { gtk_tree_view_column_set_sort_indicator (column, TRUE); gtk_tree_view_column_set_sort_order (column, order); } else { gtk_tree_view_column_set_sort_indicator (column, FALSE); } } else { gtk_tree_view_column_set_sort_indicator (column, FALSE); } } static void gtk_tree_view_column_sort (GtkTreeViewColumn *tree_column, gpointer data) { GtkTreeViewColumnPrivate *priv = tree_column->priv; GtkTreeModel *model; GtkTreeSortable *sortable; gint sort_column_id; GtkSortType order; gboolean has_sort_column; gboolean has_default_sort_func; g_return_if_fail (priv->tree_view != NULL); model = gtk_tree_view_get_model (GTK_TREE_VIEW (priv->tree_view)); sortable = GTK_TREE_SORTABLE (model); has_sort_column = gtk_tree_sortable_get_sort_column_id (sortable, &sort_column_id, &order); has_default_sort_func = gtk_tree_sortable_has_default_sort_func (sortable); if (has_sort_column && sort_column_id == priv->sort_column_id) { if (order == GTK_SORT_ASCENDING) gtk_tree_sortable_set_sort_column_id (sortable, priv->sort_column_id, GTK_SORT_DESCENDING); else if (order == GTK_SORT_DESCENDING && has_default_sort_func) gtk_tree_sortable_set_sort_column_id (sortable, GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID, GTK_SORT_ASCENDING); else gtk_tree_sortable_set_sort_column_id (sortable, priv->sort_column_id, GTK_SORT_ASCENDING); } else { gtk_tree_sortable_set_sort_column_id (sortable, priv->sort_column_id, GTK_SORT_ASCENDING); } } static void gtk_tree_view_column_setup_sort_column_id_callback (GtkTreeViewColumn *tree_column) { GtkTreeViewColumnPrivate *priv = tree_column->priv; GtkTreeModel *model; if (priv->tree_view == NULL) return; model = gtk_tree_view_get_model (GTK_TREE_VIEW (priv->tree_view)); if (model == NULL) return; if (GTK_IS_TREE_SORTABLE (model) && priv->sort_column_id != -1) { gint real_sort_column_id; GtkSortType real_order; if (priv->sort_column_changed_signal == 0) priv->sort_column_changed_signal = g_signal_connect (model, "sort-column-changed", G_CALLBACK (gtk_tree_view_model_sort_column_changed), tree_column); if (gtk_tree_sortable_get_sort_column_id (GTK_TREE_SORTABLE (model), &real_sort_column_id, &real_order) && (real_sort_column_id == priv->sort_column_id)) { gtk_tree_view_column_set_sort_indicator (tree_column, TRUE); gtk_tree_view_column_set_sort_order (tree_column, real_order); } else { gtk_tree_view_column_set_sort_indicator (tree_column, FALSE); } } } static void gtk_tree_view_column_context_changed (GtkCellAreaContext *context, GParamSpec *pspec, GtkTreeViewColumn *tree_column) { /* Here we want the column re-requested if the underlying context was * actually reset for any reason, this can happen if the underlying * area/cell configuration changes (i.e. cell packing properties * or cell spacing and the like) * * Note that we block this handler while requesting for sizes * so there is no need to check for the new context size being -1, * we also block the handler when explicitly resetting the context * so as to avoid some infinite stack recursion. */ if (!strcmp (pspec->name, "minimum-width") || !strcmp (pspec->name, "natural-width") || !strcmp (pspec->name, "minimum-height") || !strcmp (pspec->name, "natural-height")) _gtk_tree_view_column_cell_set_dirty (tree_column, TRUE); } static void gtk_tree_view_column_add_editable_callback (GtkCellArea *area, GtkCellRenderer *renderer, GtkCellEditable *edit_widget, GdkRectangle *cell_area, const gchar *path_string, gpointer user_data) { GtkTreeViewColumn *column = user_data; GtkTreeViewColumnPrivate *priv = column->priv; GtkTreePath *path; if (priv->tree_view) { path = gtk_tree_path_new_from_string (path_string); _gtk_tree_view_add_editable (GTK_TREE_VIEW (priv->tree_view), column, path, edit_widget, cell_area); gtk_tree_path_free (path); } } static void gtk_tree_view_column_remove_editable_callback (GtkCellArea *area, GtkCellRenderer *renderer, GtkCellEditable *edit_widget, gpointer user_data) { GtkTreeViewColumn *column = user_data; GtkTreeViewColumnPrivate *priv = column->priv; if (priv->tree_view) _gtk_tree_view_remove_editable (GTK_TREE_VIEW (priv->tree_view), column, edit_widget); } /* Exported Private Functions. * These should only be called by gtktreeview.c or gtktreeviewcolumn.c */ void _gtk_tree_view_column_realize_button (GtkTreeViewColumn *column) { GtkTreeViewColumnPrivate *priv = column->priv; g_return_if_fail (GTK_IS_TREE_VIEW (priv->tree_view)); g_return_if_fail (gtk_widget_get_realized (priv->tree_view)); g_return_if_fail (priv->button != NULL); gtk_tree_view_column_update_button (column); } void _gtk_tree_view_column_unset_model (GtkTreeViewColumn *column, GtkTreeModel *old_model) { GtkTreeViewColumnPrivate *priv = column->priv; if (priv->sort_column_changed_signal) { g_signal_handler_disconnect (old_model, priv->sort_column_changed_signal); priv->sort_column_changed_signal = 0; } gtk_tree_view_column_set_sort_indicator (column, FALSE); } void _gtk_tree_view_column_set_tree_view (GtkTreeViewColumn *column, GtkTreeView *tree_view) { GtkTreeViewColumnPrivate *priv = column->priv; g_assert (priv->tree_view == NULL); priv->tree_view = GTK_WIDGET (tree_view); gtk_widget_set_parent (priv->button, GTK_WIDGET (tree_view)); priv->property_changed_signal = g_signal_connect_swapped (tree_view, "notify::model", G_CALLBACK (gtk_tree_view_column_setup_sort_column_id_callback), column); gtk_tree_view_column_setup_sort_column_id_callback (column); } void _gtk_tree_view_column_unset_tree_view (GtkTreeViewColumn *column) { GtkTreeViewColumnPrivate *priv = column->priv; if (priv->tree_view == NULL) return; gtk_container_remove (GTK_CONTAINER (priv->tree_view), priv->button); if (priv->property_changed_signal) { g_signal_handler_disconnect (priv->tree_view, priv->property_changed_signal); priv->property_changed_signal = 0; } if (priv->sort_column_changed_signal) { g_signal_handler_disconnect (gtk_tree_view_get_model (GTK_TREE_VIEW (priv->tree_view)), priv->sort_column_changed_signal); priv->sort_column_changed_signal = 0; } priv->tree_view = NULL; } gboolean _gtk_tree_view_column_has_editable_cell (GtkTreeViewColumn *column) { GtkTreeViewColumnPrivate *priv = column->priv; gboolean ret = FALSE; GList *list, *cells; cells = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (priv->cell_area)); for (list = cells; list; list = list->next) { GtkCellRenderer *cell = list->data; GtkCellRendererMode mode; g_object_get (cell, "mode", &mode, NULL); if (mode == GTK_CELL_RENDERER_MODE_EDITABLE) { ret = TRUE; break; } } g_list_free (cells); return ret; } /* gets cell being edited */ GtkCellRenderer * _gtk_tree_view_column_get_edited_cell (GtkTreeViewColumn *column) { GtkTreeViewColumnPrivate *priv = column->priv; return gtk_cell_area_get_edited_cell (priv->cell_area); } GtkCellRenderer * _gtk_tree_view_column_get_cell_at_pos (GtkTreeViewColumn *column, GdkRectangle *cell_area, GdkRectangle *background_area, gint x, gint y) { GtkCellRenderer *match = NULL; GtkTreeViewColumnPrivate *priv = column->priv; /* If (x, y) is outside of the background area, immediately return */ if (x < background_area->x || x > background_area->x + background_area->width || y < background_area->y || y > background_area->y + background_area->height) return NULL; /* If (x, y) is inside the background area, clamp it to the cell_area * so that a cell is still returned. The main reason for doing this * (on the x axis) is for handling clicks in the indentation area * (either at the left or right depending on RTL setting). Another * reason is for handling clicks on the area where the focus rectangle * is drawn (this is outside of cell area), this manifests itself * mainly when a large setting is used for focus-line-width. */ if (x < cell_area->x) x = cell_area->x; else if (x > cell_area->x + cell_area->width) x = cell_area->x + cell_area->width; if (y < cell_area->y) y = cell_area->y; else if (y > cell_area->y + cell_area->height) y = cell_area->y + cell_area->height; match = gtk_cell_area_get_cell_at_position (priv->cell_area, priv->cell_area_context, priv->tree_view, cell_area, x, y, NULL); return match; } gboolean _gtk_tree_view_column_is_blank_at_pos (GtkTreeViewColumn *column, GdkRectangle *cell_area, GdkRectangle *background_area, gint x, gint y) { GtkCellRenderer *match; GdkRectangle cell_alloc, aligned_area, inner_area; GtkTreeViewColumnPrivate *priv = column->priv; match = _gtk_tree_view_column_get_cell_at_pos (column, cell_area, background_area, x, y); if (!match) return FALSE; gtk_cell_area_get_cell_allocation (priv->cell_area, priv->cell_area_context, priv->tree_view, match, cell_area, &cell_alloc); gtk_cell_area_inner_cell_area (priv->cell_area, priv->tree_view, &cell_alloc, &inner_area); gtk_cell_renderer_get_aligned_area (match, priv->tree_view, 0, &inner_area, &aligned_area); if (x < aligned_area.x || x > aligned_area.x + aligned_area.width || y < aligned_area.y || y > aligned_area.y + aligned_area.height) return TRUE; return FALSE; } /* Public Functions */ /** * gtk_tree_view_column_new: * * Creates a new #GtkTreeViewColumn. * * Returns: A newly created #GtkTreeViewColumn. **/ GtkTreeViewColumn * gtk_tree_view_column_new (void) { GtkTreeViewColumn *tree_column; tree_column = g_object_new (GTK_TYPE_TREE_VIEW_COLUMN, NULL); return tree_column; } /** * gtk_tree_view_column_new_with_area: * @area: the #GtkCellArea that the newly created column should use to layout cells. * * Creates a new #GtkTreeViewColumn using @area to render its cells. * * Returns: A newly created #GtkTreeViewColumn. */ GtkTreeViewColumn * gtk_tree_view_column_new_with_area (GtkCellArea *area) { GtkTreeViewColumn *tree_column; tree_column = g_object_new (GTK_TYPE_TREE_VIEW_COLUMN, "cell-area", area, NULL); return tree_column; } /** * gtk_tree_view_column_new_with_attributes: * @title: The title to set the header to * @cell: The #GtkCellRenderer * @...: A %NULL-terminated list of attributes * * Creates a new #GtkTreeViewColumn with a number of default values. * This is equivalent to calling gtk_tree_view_column_set_title(), * gtk_tree_view_column_pack_start(), and * gtk_tree_view_column_set_attributes() on the newly created #GtkTreeViewColumn. * * Here’s a simple example: * |[ * enum { TEXT_COLUMN, COLOR_COLUMN, N_COLUMNS }; * // ... * { * GtkTreeViewColumn *column; * GtkCellRenderer *renderer = gtk_cell_renderer_text_new (); * * column = gtk_tree_view_column_new_with_attributes ("Title", * renderer, * "text", TEXT_COLUMN, * "foreground", COLOR_COLUMN, * NULL); * } * ]| * * Returns: A newly created #GtkTreeViewColumn. **/ GtkTreeViewColumn * gtk_tree_view_column_new_with_attributes (const gchar *title, GtkCellRenderer *cell, ...) { GtkTreeViewColumn *retval; va_list args; retval = gtk_tree_view_column_new (); gtk_tree_view_column_set_title (retval, title); gtk_tree_view_column_pack_start (retval, cell, TRUE); va_start (args, cell); gtk_tree_view_column_set_attributesv (retval, cell, args); va_end (args); return retval; } /** * gtk_tree_view_column_pack_start: * @tree_column: A #GtkTreeViewColumn. * @cell: The #GtkCellRenderer. * @expand: %TRUE if @cell is to be given extra space allocated to @tree_column. * * Packs the @cell into the beginning of the column. If @expand is %FALSE, then * the @cell is allocated no more space than it needs. Any unused space is divided * evenly between cells for which @expand is %TRUE. **/ void gtk_tree_view_column_pack_start (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell, gboolean expand) { gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (tree_column), cell, expand); } /** * gtk_tree_view_column_pack_end: * @tree_column: A #GtkTreeViewColumn. * @cell: The #GtkCellRenderer. * @expand: %TRUE if @cell is to be given extra space allocated to @tree_column. * * Adds the @cell to end of the column. If @expand is %FALSE, then the @cell * is allocated no more space than it needs. Any unused space is divided * evenly between cells for which @expand is %TRUE. **/ void gtk_tree_view_column_pack_end (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell, gboolean expand) { gtk_cell_layout_pack_end (GTK_CELL_LAYOUT (tree_column), cell, expand); } /** * gtk_tree_view_column_clear: * @tree_column: A #GtkTreeViewColumn * * Unsets all the mappings on all renderers on the @tree_column. **/ void gtk_tree_view_column_clear (GtkTreeViewColumn *tree_column) { gtk_cell_layout_clear (GTK_CELL_LAYOUT (tree_column)); } /** * gtk_tree_view_column_add_attribute: * @tree_column: A #GtkTreeViewColumn. * @cell_renderer: the #GtkCellRenderer to set attributes on * @attribute: An attribute on the renderer * @column: The column position on the model to get the attribute from. * * Adds an attribute mapping to the list in @tree_column. The @column is the * column of the model to get a value from, and the @attribute is the * parameter on @cell_renderer to be set from the value. So for example * if column 2 of the model contains strings, you could have the * “text” attribute of a #GtkCellRendererText get its values from * column 2. **/ void gtk_tree_view_column_add_attribute (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell_renderer, const gchar *attribute, gint column) { gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (tree_column), cell_renderer, attribute, column); } static void gtk_tree_view_column_set_attributesv (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell_renderer, va_list args) { GtkTreeViewColumnPrivate *priv = tree_column->priv; gchar *attribute; gint column; attribute = va_arg (args, gchar *); gtk_cell_layout_clear_attributes (GTK_CELL_LAYOUT (priv->cell_area), cell_renderer); while (attribute != NULL) { column = va_arg (args, gint); gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (priv->cell_area), cell_renderer, attribute, column); attribute = va_arg (args, gchar *); } } /** * gtk_tree_view_column_set_attributes: * @tree_column: A #GtkTreeViewColumn * @cell_renderer: the #GtkCellRenderer we’re setting the attributes of * @...: A %NULL-terminated list of attributes * * Sets the attributes in the list as the attributes of @tree_column. * The attributes should be in attribute/column order, as in * gtk_tree_view_column_add_attribute(). All existing attributes * are removed, and replaced with the new attributes. */ void gtk_tree_view_column_set_attributes (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell_renderer, ...) { va_list args; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (GTK_IS_CELL_RENDERER (cell_renderer)); va_start (args, cell_renderer); gtk_tree_view_column_set_attributesv (tree_column, cell_renderer, args); va_end (args); } /** * gtk_tree_view_column_set_cell_data_func: * @tree_column: A #GtkTreeViewColumn * @cell_renderer: A #GtkCellRenderer * @func: (allow-none): The #GtkTreeCellDataFunc to use. * @func_data: (closure): The user data for @func. * @destroy: The destroy notification for @func_data * * Sets the #GtkTreeCellDataFunc to use for the column. This * function is used instead of the standard attributes mapping for * setting the column value, and should set the value of @tree_column's * cell renderer as appropriate. @func may be %NULL to remove an * older one. **/ void gtk_tree_view_column_set_cell_data_func (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell_renderer, GtkTreeCellDataFunc func, gpointer func_data, GDestroyNotify destroy) { gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (tree_column), cell_renderer, (GtkCellLayoutDataFunc)func, func_data, destroy); } /** * gtk_tree_view_column_clear_attributes: * @tree_column: a #GtkTreeViewColumn * @cell_renderer: a #GtkCellRenderer to clear the attribute mapping on. * * Clears all existing attributes previously set with * gtk_tree_view_column_set_attributes(). **/ void gtk_tree_view_column_clear_attributes (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell_renderer) { gtk_cell_layout_clear_attributes (GTK_CELL_LAYOUT (tree_column), cell_renderer); } /** * gtk_tree_view_column_set_spacing: * @tree_column: A #GtkTreeViewColumn. * @spacing: distance between cell renderers in pixels. * * Sets the spacing field of @tree_column, which is the number of pixels to * place between cell renderers packed into it. **/ void gtk_tree_view_column_set_spacing (GtkTreeViewColumn *tree_column, gint spacing) { GtkTreeViewColumnPrivate *priv; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (spacing >= 0); priv = tree_column->priv; if (gtk_cell_area_box_get_spacing (GTK_CELL_AREA_BOX (priv->cell_area)) != spacing) { gtk_cell_area_box_set_spacing (GTK_CELL_AREA_BOX (priv->cell_area), spacing); if (priv->tree_view) _gtk_tree_view_column_cell_set_dirty (tree_column, TRUE); g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_SPACING]); } } /** * gtk_tree_view_column_get_spacing: * @tree_column: A #GtkTreeViewColumn. * * Returns the spacing of @tree_column. * * Returns: the spacing of @tree_column. **/ gint gtk_tree_view_column_get_spacing (GtkTreeViewColumn *tree_column) { GtkTreeViewColumnPrivate *priv; g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0); priv = tree_column->priv; return gtk_cell_area_box_get_spacing (GTK_CELL_AREA_BOX (priv->cell_area)); } /* Options for manipulating the columns */ /** * gtk_tree_view_column_set_visible: * @tree_column: A #GtkTreeViewColumn. * @visible: %TRUE if the @tree_column is visible. * * Sets the visibility of @tree_column. */ void gtk_tree_view_column_set_visible (GtkTreeViewColumn *tree_column, gboolean visible) { GtkTreeViewColumnPrivate *priv; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); priv = tree_column->priv; visible = !! visible; if (priv->visible == visible) return; priv->visible = visible; gtk_widget_set_visible (priv->button, visible); if (priv->visible) _gtk_tree_view_column_cell_set_dirty (tree_column, TRUE); if (priv->tree_view) { _gtk_tree_view_accessible_toggle_visibility (GTK_TREE_VIEW (priv->tree_view), tree_column); } gtk_tree_view_column_update_button (tree_column); g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_VISIBLE]); } /** * gtk_tree_view_column_get_visible: * @tree_column: A #GtkTreeViewColumn. * * Returns %TRUE if @tree_column is visible. * * Returns: whether the column is visible or not. If it is visible, then * the tree will show the column. **/ gboolean gtk_tree_view_column_get_visible (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE); return tree_column->priv->visible; } /** * gtk_tree_view_column_set_resizable: * @tree_column: A #GtkTreeViewColumn * @resizable: %TRUE, if the column can be resized * * If @resizable is %TRUE, then the user can explicitly resize the column by * grabbing the outer edge of the column button. If resizable is %TRUE and * sizing mode of the column is #GTK_TREE_VIEW_COLUMN_AUTOSIZE, then the sizing * mode is changed to #GTK_TREE_VIEW_COLUMN_GROW_ONLY. **/ void gtk_tree_view_column_set_resizable (GtkTreeViewColumn *tree_column, gboolean resizable) { GtkTreeViewColumnPrivate *priv; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); priv = tree_column->priv; resizable = !! resizable; if (priv->resizable == resizable) return; priv->resizable = resizable; if (resizable && priv->column_type == GTK_TREE_VIEW_COLUMN_AUTOSIZE) gtk_tree_view_column_set_sizing (tree_column, GTK_TREE_VIEW_COLUMN_GROW_ONLY); gtk_tree_view_column_update_button (tree_column); g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_RESIZABLE]); } /** * gtk_tree_view_column_get_resizable: * @tree_column: A #GtkTreeViewColumn * * Returns %TRUE if the @tree_column can be resized by the end user. * * Returns: %TRUE, if the @tree_column can be resized. **/ gboolean gtk_tree_view_column_get_resizable (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE); return tree_column->priv->resizable; } /** * gtk_tree_view_column_set_sizing: * @tree_column: A #GtkTreeViewColumn. * @type: The #GtkTreeViewColumnSizing. * * Sets the growth behavior of @tree_column to @type. **/ void gtk_tree_view_column_set_sizing (GtkTreeViewColumn *tree_column, GtkTreeViewColumnSizing type) { GtkTreeViewColumnPrivate *priv; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); priv = tree_column->priv; if (type == priv->column_type) return; if (type == GTK_TREE_VIEW_COLUMN_AUTOSIZE) gtk_tree_view_column_set_resizable (tree_column, FALSE); priv->column_type = type; gtk_tree_view_column_update_button (tree_column); g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_SIZING]); } /** * gtk_tree_view_column_get_sizing: * @tree_column: A #GtkTreeViewColumn. * * Returns the current type of @tree_column. * * Returns: The type of @tree_column. **/ GtkTreeViewColumnSizing gtk_tree_view_column_get_sizing (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0); return tree_column->priv->column_type; } /** * gtk_tree_view_column_get_width: * @tree_column: A #GtkTreeViewColumn. * * Returns the current size of @tree_column in pixels. * * Returns: The current width of @tree_column. **/ gint gtk_tree_view_column_get_width (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0); return tree_column->priv->width; } /** * gtk_tree_view_column_get_x_offset: * @tree_column: A #GtkTreeViewColumn. * * Returns the current X offset of @tree_column in pixels. * * Returns: The current X offset of @tree_column. */ gint gtk_tree_view_column_get_x_offset (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0); return tree_column->priv->x_offset; } gint _gtk_tree_view_column_request_width (GtkTreeViewColumn *tree_column) { GtkTreeViewColumnPrivate *priv; gint real_requested_width; priv = tree_column->priv; if (priv->fixed_width != -1) { real_requested_width = priv->fixed_width; } else if (gtk_tree_view_get_headers_visible (GTK_TREE_VIEW (priv->tree_view))) { gint button_request; gint requested_width; gtk_cell_area_context_get_preferred_width (priv->cell_area_context, &requested_width, NULL); requested_width += priv->padding; gtk_widget_measure (priv->button, GTK_ORIENTATION_HORIZONTAL, -1, &button_request, NULL, NULL, NULL); real_requested_width = MAX (requested_width, button_request); } else { gint requested_width; gtk_cell_area_context_get_preferred_width (priv->cell_area_context, &requested_width, NULL); requested_width += priv->padding; real_requested_width = requested_width; if (real_requested_width < 0) real_requested_width = 0; } if (priv->min_width != -1) real_requested_width = MAX (real_requested_width, priv->min_width); if (priv->max_width != -1) real_requested_width = MIN (real_requested_width, priv->max_width); return real_requested_width; } void _gtk_tree_view_column_allocate (GtkTreeViewColumn *tree_column, int x_offset, int width, int height) { GtkTreeViewColumnPrivate *priv; GtkAllocation allocation = { 0, 0, 0, 0 }; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); priv = tree_column->priv; if (priv->width != width) gtk_widget_queue_draw (priv->tree_view); priv->x_offset = x_offset; priv->width = width; gtk_cell_area_context_allocate (priv->cell_area_context, priv->width - priv->padding, -1); if (gtk_tree_view_get_headers_visible (GTK_TREE_VIEW (priv->tree_view))) { /* TODO: Underallocates the button horizontally, but * https://bugzilla.gnome.org/show_bug.cgi?id=770388 */ allocation.x = x_offset; allocation.y = 0; allocation.width = width; allocation.height = height; gtk_widget_size_allocate (priv->button, &allocation, -1); } g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_X_OFFSET]); g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_WIDTH]); } /** * gtk_tree_view_column_set_fixed_width: * @tree_column: A #GtkTreeViewColumn. * @fixed_width: The new fixed width, in pixels, or -1. * * If @fixed_width is not -1, sets the fixed width of @tree_column; otherwise * unsets it. The effective value of @fixed_width is clamped between the * minimum and maximum width of the column; however, the value stored in the * “fixed-width” property is not clamped. If the column sizing is * #GTK_TREE_VIEW_COLUMN_GROW_ONLY or #GTK_TREE_VIEW_COLUMN_AUTOSIZE, setting * a fixed width overrides the automatically calculated width. Note that * @fixed_width is only a hint to GTK+; the width actually allocated to the * column may be greater or less than requested. * * Along with “expand”, the “fixed-width” property changes when the column is * resized by the user. **/ void gtk_tree_view_column_set_fixed_width (GtkTreeViewColumn *tree_column, gint fixed_width) { GtkTreeViewColumnPrivate *priv; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (fixed_width >= -1); priv = tree_column->priv; if (priv->fixed_width != fixed_width) { priv->fixed_width = fixed_width; if (priv->visible && priv->tree_view != NULL && gtk_widget_get_realized (priv->tree_view)) gtk_widget_queue_resize (priv->tree_view); g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_FIXED_WIDTH]); } } /** * gtk_tree_view_column_get_fixed_width: * @tree_column: A #GtkTreeViewColumn. * * Gets the fixed width of the column. This may not be the actual displayed * width of the column; for that, use gtk_tree_view_column_get_width(). * * Returns: The fixed width of the column. **/ gint gtk_tree_view_column_get_fixed_width (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0); return tree_column->priv->fixed_width; } /** * gtk_tree_view_column_set_min_width: * @tree_column: A #GtkTreeViewColumn. * @min_width: The minimum width of the column in pixels, or -1. * * Sets the minimum width of the @tree_column. If @min_width is -1, then the * minimum width is unset. **/ void gtk_tree_view_column_set_min_width (GtkTreeViewColumn *tree_column, gint min_width) { GtkTreeViewColumnPrivate *priv; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (min_width >= -1); priv = tree_column->priv; if (min_width == priv->min_width) return; if (priv->visible && priv->tree_view != NULL && gtk_widget_get_realized (priv->tree_view)) { if (min_width > priv->width) gtk_widget_queue_resize (priv->tree_view); } priv->min_width = min_width; g_object_freeze_notify (G_OBJECT (tree_column)); if (priv->max_width != -1 && priv->max_width < min_width) { priv->max_width = min_width; g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_MAX_WIDTH]); } g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_MIN_WIDTH]); g_object_thaw_notify (G_OBJECT (tree_column)); if (priv->column_type == GTK_TREE_VIEW_COLUMN_AUTOSIZE && priv->tree_view) _gtk_tree_view_column_autosize (GTK_TREE_VIEW (priv->tree_view), tree_column); } /** * gtk_tree_view_column_get_min_width: * @tree_column: A #GtkTreeViewColumn. * * Returns the minimum width in pixels of the @tree_column, or -1 if no minimum * width is set. * * Returns: The minimum width of the @tree_column. **/ gint gtk_tree_view_column_get_min_width (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), -1); return tree_column->priv->min_width; } /** * gtk_tree_view_column_set_max_width: * @tree_column: A #GtkTreeViewColumn. * @max_width: The maximum width of the column in pixels, or -1. * * Sets the maximum width of the @tree_column. If @max_width is -1, then the * maximum width is unset. Note, the column can actually be wider than max * width if it’s the last column in a view. In this case, the column expands to * fill any extra space. **/ void gtk_tree_view_column_set_max_width (GtkTreeViewColumn *tree_column, gint max_width) { GtkTreeViewColumnPrivate *priv; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (max_width >= -1); priv = tree_column->priv; if (max_width == priv->max_width) return; if (priv->visible && priv->tree_view != NULL && gtk_widget_get_realized (priv->tree_view)) { if (max_width != -1 && max_width < priv->width) gtk_widget_queue_resize (priv->tree_view); } priv->max_width = max_width; g_object_freeze_notify (G_OBJECT (tree_column)); if (max_width != -1 && max_width < priv->min_width) { priv->min_width = max_width; g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_MIN_WIDTH]); } g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_MAX_WIDTH]); g_object_thaw_notify (G_OBJECT (tree_column)); if (priv->column_type == GTK_TREE_VIEW_COLUMN_AUTOSIZE && priv->tree_view) _gtk_tree_view_column_autosize (GTK_TREE_VIEW (priv->tree_view), tree_column); } /** * gtk_tree_view_column_get_max_width: * @tree_column: A #GtkTreeViewColumn. * * Returns the maximum width in pixels of the @tree_column, or -1 if no maximum * width is set. * * Returns: The maximum width of the @tree_column. **/ gint gtk_tree_view_column_get_max_width (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), -1); return tree_column->priv->max_width; } /** * gtk_tree_view_column_clicked: * @tree_column: a #GtkTreeViewColumn * * Emits the “clicked” signal on the column. This function will only work if * @tree_column is clickable. **/ void gtk_tree_view_column_clicked (GtkTreeViewColumn *tree_column) { GtkTreeViewColumnPrivate *priv; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); priv = tree_column->priv; if (priv->visible && priv->clickable) gtk_button_clicked (GTK_BUTTON (priv->button)); } /** * gtk_tree_view_column_set_title: * @tree_column: A #GtkTreeViewColumn. * @title: The title of the @tree_column. * * Sets the title of the @tree_column. If a custom widget has been set, then * this value is ignored. **/ void gtk_tree_view_column_set_title (GtkTreeViewColumn *tree_column, const gchar *title) { GtkTreeViewColumnPrivate *priv; gchar *new_title; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); priv = tree_column->priv; new_title = g_strdup (title); g_free (priv->title); priv->title = new_title; gtk_tree_view_column_update_button (tree_column); g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_TITLE]); } /** * gtk_tree_view_column_get_title: * @tree_column: A #GtkTreeViewColumn. * * Returns the title of the widget. * * Returns: the title of the column. This string should not be * modified or freed. **/ const gchar * gtk_tree_view_column_get_title (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), NULL); return tree_column->priv->title; } /** * gtk_tree_view_column_set_expand: * @tree_column: A #GtkTreeViewColumn. * @expand: %TRUE if the column should expand to fill available space. * * Sets the column to take available extra space. This space is shared equally * amongst all columns that have the expand set to %TRUE. If no column has this * option set, then the last column gets all extra space. By default, every * column is created with this %FALSE. * * Along with “fixed-width”, the “expand” property changes when the column is * resized by the user. **/ void gtk_tree_view_column_set_expand (GtkTreeViewColumn *tree_column, gboolean expand) { GtkTreeViewColumnPrivate *priv; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); priv = tree_column->priv; expand = expand?TRUE:FALSE; if (priv->expand == expand) return; priv->expand = expand; if (priv->visible && priv->tree_view != NULL && gtk_widget_get_realized (priv->tree_view)) { gtk_widget_queue_resize (priv->tree_view); } g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_EXPAND]); } /** * gtk_tree_view_column_get_expand: * @tree_column: A #GtkTreeViewColumn. * * Returns %TRUE if the column expands to fill available space. * * Returns: %TRUE if the column expands to fill available space. **/ gboolean gtk_tree_view_column_get_expand (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE); return tree_column->priv->expand; } /** * gtk_tree_view_column_set_clickable: * @tree_column: A #GtkTreeViewColumn. * @clickable: %TRUE if the header is active. * * Sets the header to be active if @clickable is %TRUE. When the header is * active, then it can take keyboard focus, and can be clicked. **/ void gtk_tree_view_column_set_clickable (GtkTreeViewColumn *tree_column, gboolean clickable) { GtkTreeViewColumnPrivate *priv; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); priv = tree_column->priv; clickable = !! clickable; if (priv->clickable == clickable) return; priv->clickable = clickable; gtk_tree_view_column_update_button (tree_column); g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_CLICKABLE]); } /** * gtk_tree_view_column_get_clickable: * @tree_column: a #GtkTreeViewColumn * * Returns %TRUE if the user can click on the header for the column. * * Returns: %TRUE if user can click the column header. **/ gboolean gtk_tree_view_column_get_clickable (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE); return tree_column->priv->clickable; } /** * gtk_tree_view_column_set_widget: * @tree_column: A #GtkTreeViewColumn. * @widget: (allow-none): A child #GtkWidget, or %NULL. * * Sets the widget in the header to be @widget. If widget is %NULL, then the * header button is set with a #GtkLabel set to the title of @tree_column. **/ void gtk_tree_view_column_set_widget (GtkTreeViewColumn *tree_column, GtkWidget *widget) { GtkTreeViewColumnPrivate *priv; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (widget == NULL || GTK_IS_WIDGET (widget)); priv = tree_column->priv; if (widget) g_object_ref_sink (widget); if (priv->child) g_object_unref (priv->child); priv->child = widget; gtk_tree_view_column_update_button (tree_column); g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_WIDGET]); } /** * gtk_tree_view_column_get_widget: * @tree_column: A #GtkTreeViewColumn. * * Returns the #GtkWidget in the button on the column header. * If a custom widget has not been set then %NULL is returned. * * Returns: (nullable) (transfer none): The #GtkWidget in the column * header, or %NULL **/ GtkWidget * gtk_tree_view_column_get_widget (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), NULL); return tree_column->priv->child; } /** * gtk_tree_view_column_set_alignment: * @tree_column: A #GtkTreeViewColumn. * @xalign: The alignment, which is between [0.0 and 1.0] inclusive. * * Sets the alignment of the title or custom widget inside the column header. * The alignment determines its location inside the button -- 0.0 for left, 0.5 * for center, 1.0 for right. **/ void gtk_tree_view_column_set_alignment (GtkTreeViewColumn *tree_column, gfloat xalign) { GtkTreeViewColumnPrivate *priv; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); priv = tree_column->priv; xalign = CLAMP (xalign, 0.0, 1.0); if (priv->xalign == xalign) return; priv->xalign = xalign; gtk_tree_view_column_update_button (tree_column); g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_ALIGNMENT]); } /** * gtk_tree_view_column_get_alignment: * @tree_column: A #GtkTreeViewColumn. * * Returns the current x alignment of @tree_column. This value can range * between 0.0 and 1.0. * * Returns: The current alignent of @tree_column. **/ gfloat gtk_tree_view_column_get_alignment (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0.5); return tree_column->priv->xalign; } /** * gtk_tree_view_column_set_reorderable: * @tree_column: A #GtkTreeViewColumn * @reorderable: %TRUE, if the column can be reordered. * * If @reorderable is %TRUE, then the column can be reordered by the end user * dragging the header. **/ void gtk_tree_view_column_set_reorderable (GtkTreeViewColumn *tree_column, gboolean reorderable) { GtkTreeViewColumnPrivate *priv; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); priv = tree_column->priv; /* if (reorderable) gtk_tree_view_column_set_clickable (tree_column, TRUE);*/ if (priv->reorderable == (reorderable?TRUE:FALSE)) return; priv->reorderable = (reorderable?TRUE:FALSE); gtk_tree_view_column_update_button (tree_column); g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_REORDERABLE]); } /** * gtk_tree_view_column_get_reorderable: * @tree_column: A #GtkTreeViewColumn * * Returns %TRUE if the @tree_column can be reordered by the user. * * Returns: %TRUE if the @tree_column can be reordered by the user. **/ gboolean gtk_tree_view_column_get_reorderable (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE); return tree_column->priv->reorderable; } /** * gtk_tree_view_column_set_sort_column_id: * @tree_column: a #GtkTreeViewColumn * @sort_column_id: The @sort_column_id of the model to sort on. * * Sets the logical @sort_column_id that this column sorts on when this column * is selected for sorting. Doing so makes the column header clickable. **/ void gtk_tree_view_column_set_sort_column_id (GtkTreeViewColumn *tree_column, gint sort_column_id) { GtkTreeViewColumnPrivate *priv; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (sort_column_id >= -1); priv = tree_column->priv; if (priv->sort_column_id == sort_column_id) return; priv->sort_column_id = sort_column_id; /* Handle unsetting the id */ if (sort_column_id == -1) { GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW (priv->tree_view)); if (priv->sort_clicked_signal) { g_signal_handler_disconnect (tree_column, priv->sort_clicked_signal); priv->sort_clicked_signal = 0; } if (priv->sort_column_changed_signal) { g_signal_handler_disconnect (model, priv->sort_column_changed_signal); priv->sort_column_changed_signal = 0; } gtk_tree_view_column_set_sort_order (tree_column, GTK_SORT_ASCENDING); gtk_tree_view_column_set_sort_indicator (tree_column, FALSE); gtk_tree_view_column_set_clickable (tree_column, FALSE); g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_SORT_COLUMN_ID]); return; } gtk_tree_view_column_set_clickable (tree_column, TRUE); if (! priv->sort_clicked_signal) priv->sort_clicked_signal = g_signal_connect (tree_column, "clicked", G_CALLBACK (gtk_tree_view_column_sort), NULL); gtk_tree_view_column_setup_sort_column_id_callback (tree_column); g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_SORT_COLUMN_ID]); } /** * gtk_tree_view_column_get_sort_column_id: * @tree_column: a #GtkTreeViewColumn * * Gets the logical @sort_column_id that the model sorts on when this * column is selected for sorting. * See gtk_tree_view_column_set_sort_column_id(). * * Returns: the current @sort_column_id for this column, or -1 if * this column can’t be used for sorting. **/ gint gtk_tree_view_column_get_sort_column_id (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0); return tree_column->priv->sort_column_id; } /** * gtk_tree_view_column_set_sort_indicator: * @tree_column: a #GtkTreeViewColumn * @setting: %TRUE to display an indicator that the column is sorted * * Call this function with a @setting of %TRUE to display an arrow in * the header button indicating the column is sorted. Call * gtk_tree_view_column_set_sort_order() to change the direction of * the arrow. * **/ void gtk_tree_view_column_set_sort_indicator (GtkTreeViewColumn *tree_column, gboolean setting) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); setting = setting != FALSE; if (setting == tree_column->priv->show_sort_indicator) return; tree_column->priv->show_sort_indicator = setting; gtk_tree_view_column_update_button (tree_column); g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_SORT_INDICATOR]); } /** * gtk_tree_view_column_get_sort_indicator: * @tree_column: a #GtkTreeViewColumn * * Gets the value set by gtk_tree_view_column_set_sort_indicator(). * * Returns: whether the sort indicator arrow is displayed **/ gboolean gtk_tree_view_column_get_sort_indicator (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE); return tree_column->priv->show_sort_indicator; } /** * gtk_tree_view_column_set_sort_order: * @tree_column: a #GtkTreeViewColumn * @order: sort order that the sort indicator should indicate * * Changes the appearance of the sort indicator. * * This does not actually sort the model. Use * gtk_tree_view_column_set_sort_column_id() if you want automatic sorting * support. This function is primarily for custom sorting behavior, and should * be used in conjunction with gtk_tree_sortable_set_sort_column_id() to do * that. For custom models, the mechanism will vary. * * The sort indicator changes direction to indicate normal sort or reverse sort. * Note that you must have the sort indicator enabled to see anything when * calling this function; see gtk_tree_view_column_set_sort_indicator(). **/ void gtk_tree_view_column_set_sort_order (GtkTreeViewColumn *tree_column, GtkSortType order) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); if (order == tree_column->priv->sort_order) return; tree_column->priv->sort_order = order; gtk_tree_view_column_update_button (tree_column); g_object_notify_by_pspec (G_OBJECT (tree_column), tree_column_props[PROP_SORT_ORDER]); } /** * gtk_tree_view_column_get_sort_order: * @tree_column: a #GtkTreeViewColumn * * Gets the value set by gtk_tree_view_column_set_sort_order(). * * Returns: the sort order the sort indicator is indicating **/ GtkSortType gtk_tree_view_column_get_sort_order (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0); return tree_column->priv->sort_order; } /** * gtk_tree_view_column_cell_set_cell_data: * @tree_column: A #GtkTreeViewColumn. * @tree_model: The #GtkTreeModel to to get the cell renderers attributes from. * @iter: The #GtkTreeIter to to get the cell renderer’s attributes from. * @is_expander: %TRUE, if the row has children * @is_expanded: %TRUE, if the row has visible children * * Sets the cell renderer based on the @tree_model and @iter. That is, for * every attribute mapping in @tree_column, it will get a value from the set * column on the @iter, and use that value to set the attribute on the cell * renderer. This is used primarily by the #GtkTreeView. **/ void gtk_tree_view_column_cell_set_cell_data (GtkTreeViewColumn *tree_column, GtkTreeModel *tree_model, GtkTreeIter *iter, gboolean is_expander, gboolean is_expanded) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); if (tree_model == NULL) return; gtk_cell_area_apply_attributes (tree_column->priv->cell_area, tree_model, iter, is_expander, is_expanded); } /** * gtk_tree_view_column_cell_get_size: * @tree_column: A #GtkTreeViewColumn. * @cell_area: (allow-none): The area a cell in the column will be allocated, or %NULL * @x_offset: (out) (optional): location to return x offset of a cell relative to @cell_area, or %NULL * @y_offset: (out) (optional): location to return y offset of a cell relative to @cell_area, or %NULL * @width: (out) (optional): location to return width needed to render a cell, or %NULL * @height: (out) (optional): location to return height needed to render a cell, or %NULL * * Obtains the width and height needed to render the column. This is used * primarily by the #GtkTreeView. **/ void gtk_tree_view_column_cell_get_size (GtkTreeViewColumn *tree_column, const GdkRectangle *cell_area, gint *x_offset, gint *y_offset, gint *width, gint *height) { GtkTreeViewColumnPrivate *priv; gint min_width = 0, min_height = 0; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); priv = tree_column->priv; g_signal_handler_block (priv->cell_area_context, priv->context_changed_signal); gtk_cell_area_get_preferred_width (priv->cell_area, priv->cell_area_context, priv->tree_view, NULL, NULL); gtk_cell_area_context_get_preferred_width (priv->cell_area_context, &min_width, NULL); gtk_cell_area_get_preferred_height_for_width (priv->cell_area, priv->cell_area_context, priv->tree_view, min_width, &min_height, NULL); g_signal_handler_unblock (priv->cell_area_context, priv->context_changed_signal); if (height) * height = min_height; if (width) * width = min_width; } /** * gtk_tree_view_column_cell_snapshot: * @tree_column: A #GtkTreeViewColumn. * @snapshot: #GtkSnapshot to draw to * @background_area: entire cell area (including tree expanders and maybe padding on the sides) * @cell_area: area normally rendered by a cell renderer * @flags: flags that affect rendering * * Renders the cell contained by #tree_column. This is used primarily by the * #GtkTreeView. **/ void gtk_tree_view_column_cell_snapshot (GtkTreeViewColumn *tree_column, GtkSnapshot *snapshot, const GdkRectangle *background_area, const GdkRectangle *cell_area, guint flags, gboolean draw_focus) { GtkTreeViewColumnPrivate *priv; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (snapshot != NULL); g_return_if_fail (background_area != NULL); g_return_if_fail (cell_area != NULL); priv = tree_column->priv; gtk_cell_area_snapshot (priv->cell_area, priv->cell_area_context, priv->tree_view, snapshot, background_area, cell_area, flags, draw_focus); } gboolean _gtk_tree_view_column_cell_event (GtkTreeViewColumn *tree_column, GdkEvent *event, const GdkRectangle *cell_area, guint flags) { GtkTreeViewColumnPrivate *priv; g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE); priv = tree_column->priv; return gtk_cell_area_event (priv->cell_area, priv->cell_area_context, priv->tree_view, event, cell_area, flags); } /** * gtk_tree_view_column_cell_is_visible: * @tree_column: A #GtkTreeViewColumn * * Returns %TRUE if any of the cells packed into the @tree_column are visible. * For this to be meaningful, you must first initialize the cells with * gtk_tree_view_column_cell_set_cell_data() * * Returns: %TRUE, if any of the cells packed into the @tree_column are currently visible **/ gboolean gtk_tree_view_column_cell_is_visible (GtkTreeViewColumn *tree_column) { GList *list; GList *cells; GtkTreeViewColumnPrivate *priv; g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE); priv = tree_column->priv; cells = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (priv->cell_area)); for (list = cells; list; list = list->next) { if (gtk_cell_renderer_get_visible (list->data)) { g_list_free (cells); return TRUE; } } g_list_free (cells); return FALSE; } /** * gtk_tree_view_column_focus_cell: * @tree_column: A #GtkTreeViewColumn * @cell: A #GtkCellRenderer * * Sets the current keyboard focus to be at @cell, if the column contains * 2 or more editable and activatable cells. **/ void gtk_tree_view_column_focus_cell (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (GTK_IS_CELL_RENDERER (cell)); gtk_cell_area_set_focus_cell (tree_column->priv->cell_area, cell); } void _gtk_tree_view_column_cell_set_dirty (GtkTreeViewColumn *tree_column, gboolean install_handler) { GtkTreeViewColumnPrivate *priv = tree_column->priv; priv->dirty = TRUE; priv->padding = 0; priv->width = 0; /* Issue a manual reset on the context to have all * sizes re-requested for the context. */ g_signal_handler_block (priv->cell_area_context, priv->context_changed_signal); gtk_cell_area_context_reset (priv->cell_area_context); g_signal_handler_unblock (priv->cell_area_context, priv->context_changed_signal); if (priv->tree_view && gtk_widget_get_realized (priv->tree_view)) { _gtk_tree_view_install_mark_rows_col_dirty (GTK_TREE_VIEW (priv->tree_view), install_handler); gtk_widget_queue_resize (priv->tree_view); } } gboolean _gtk_tree_view_column_cell_get_dirty (GtkTreeViewColumn *tree_column) { return tree_column->priv->dirty; } /** * gtk_tree_view_column_cell_get_position: * @tree_column: a #GtkTreeViewColumn * @cell_renderer: a #GtkCellRenderer * @x_offset: (out) (allow-none): return location for the horizontal * position of @cell within @tree_column, may be %NULL * @width: (out) (allow-none): return location for the width of @cell, * may be %NULL * * Obtains the horizontal position and size of a cell in a column. If the * cell is not found in the column, @start_pos and @width are not changed and * %FALSE is returned. * * Returns: %TRUE if @cell belongs to @tree_column. */ gboolean gtk_tree_view_column_cell_get_position (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell_renderer, gint *x_offset, gint *width) { GtkTreeViewColumnPrivate *priv; GdkRectangle cell_area; GdkRectangle allocation; g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE); g_return_val_if_fail (GTK_IS_CELL_RENDERER (cell_renderer), FALSE); priv = tree_column->priv; if (! gtk_cell_area_has_renderer (priv->cell_area, cell_renderer)) return FALSE; gtk_tree_view_get_background_area (GTK_TREE_VIEW (priv->tree_view), NULL, tree_column, &cell_area); gtk_cell_area_get_cell_allocation (priv->cell_area, priv->cell_area_context, priv->tree_view, cell_renderer, &cell_area, &allocation); if (x_offset) *x_offset = allocation.x - cell_area.x; if (width) *width = allocation.width; return TRUE; } /** * gtk_tree_view_column_queue_resize: * @tree_column: A #GtkTreeViewColumn * * Flags the column, and the cell renderers added to this column, to have * their sizes renegotiated. **/ void gtk_tree_view_column_queue_resize (GtkTreeViewColumn *tree_column) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); if (tree_column->priv->tree_view) _gtk_tree_view_column_cell_set_dirty (tree_column, TRUE); } /** * gtk_tree_view_column_get_tree_view: * @tree_column: A #GtkTreeViewColumn * * Returns the #GtkTreeView wherein @tree_column has been inserted. * If @column is currently not inserted in any tree view, %NULL is * returned. * * Returns: (nullable) (transfer none): The tree view wherein @column has * been inserted if any, %NULL otherwise. */ GtkWidget * gtk_tree_view_column_get_tree_view (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), NULL); return tree_column->priv->tree_view; } /** * gtk_tree_view_column_get_button: * @tree_column: A #GtkTreeViewColumn * * Returns the button used in the treeview column header * * Returns: (transfer none): The button for the column header. */ GtkWidget * gtk_tree_view_column_get_button (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), NULL); return tree_column->priv->button; } void _gtk_tree_view_column_push_padding (GtkTreeViewColumn *column, gint padding) { column->priv->padding = MAX (column->priv->padding, padding); } gint _gtk_tree_view_column_get_requested_width (GtkTreeViewColumn *column) { gint requested_width; gtk_cell_area_context_get_preferred_width (column->priv->cell_area_context, &requested_width, NULL); return requested_width + column->priv->padding; } gint _gtk_tree_view_column_get_drag_x (GtkTreeViewColumn *column) { return column->priv->drag_x; } GtkCellAreaContext * _gtk_tree_view_column_get_context (GtkTreeViewColumn *column) { return column->priv->cell_area_context; } gboolean _gtk_tree_view_column_coords_in_resize_rect (GtkTreeViewColumn *column, double x, double y) { GtkTreeViewColumnPrivate *priv = column->priv; graphene_rect_t button_bounds; /* x and y are in treeview coordinates. */ if (!gtk_widget_get_realized (priv->button) || !priv->resizable || !priv->visible) return FALSE; gtk_widget_compute_bounds (priv->button, priv->tree_view, &button_bounds); if (gtk_widget_get_direction (priv->tree_view) == GTK_TEXT_DIR_LTR) button_bounds.origin.x += button_bounds.size.width - TREE_VIEW_DRAG_WIDTH; button_bounds.size.width = TREE_VIEW_DRAG_WIDTH; return graphene_rect_contains_point (&button_bounds, &(graphene_point_t){x, y}); }