mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-25 21:21:21 +00:00
5e256590db
This includes GtkCellArea GtkCellAreaBox GtkCellAreaContext GtkCellEditable GtkCellRenderer GtkCellRendererAccel GtkCellRendererCombo GtkCellRendererPixbuf GtkCellRendererProgress GtkCellRendererSpin GtkCellRendererSpinner GtkCellRendererText GtkCellRendererToggle GtkCellView GtkComboBox GtkComboBoxText GtkIconView GtkListStore GtkTreeModel GtkTreeModelFilter GtkTreeModelSort GtkTreeStore GtkTreeView GtkTreeViewColumn GtkTreeSelection
322 lines
11 KiB
C
322 lines
11 KiB
C
/* Tree View/List Store
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*
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* The GtkListStore is used to store data in list form, to be used
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* later on by a GtkTreeView to display it. This demo builds a
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* simple GtkListStore and displays it.
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*/
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#include <gtk/gtk.h>
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G_GNUC_BEGIN_IGNORE_DEPRECATIONS
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static GtkWidget *window = NULL;
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static GtkTreeModel *model = NULL;
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static guint timeout = 0;
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typedef struct
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{
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const gboolean fixed;
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const guint number;
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const char *severity;
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const char *description;
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} Bug;
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enum
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{
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COLUMN_FIXED,
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COLUMN_NUMBER,
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COLUMN_SEVERITY,
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COLUMN_DESCRIPTION,
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COLUMN_PULSE,
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COLUMN_ICON,
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COLUMN_ACTIVE,
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COLUMN_SENSITIVE,
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NUM_COLUMNS
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};
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static Bug bugs[] =
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{
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{ FALSE, 60482, "Normal", "scrollable notebooks and hidden tabs" },
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{ FALSE, 60620, "Critical", "gdk_surface_clear_area (gdksurface-win32.c) is not thread-safe" },
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{ FALSE, 50214, "Major", "Xft support does not clean up correctly" },
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{ TRUE, 52877, "Major", "GtkFileSelection needs a refresh method. " },
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{ FALSE, 56070, "Normal", "Can't click button after setting in sensitive" },
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{ TRUE, 56355, "Normal", "GtkLabel - Not all changes propagate correctly" },
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{ FALSE, 50055, "Normal", "Rework width/height computations for TreeView" },
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{ FALSE, 58278, "Normal", "gtk_dialog_set_response_sensitive () doesn't work" },
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{ FALSE, 55767, "Normal", "Getters for all setters" },
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{ FALSE, 56925, "Normal", "Gtkcalender size" },
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{ FALSE, 56221, "Normal", "Selectable label needs right-click copy menu" },
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{ TRUE, 50939, "Normal", "Add shift clicking to GtkTextView" },
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{ FALSE, 6112, "Enhancement","netscape-like collapsible toolbars" },
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{ FALSE, 1, "Normal", "First bug :=)" },
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};
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static gboolean
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spinner_timeout (gpointer data)
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{
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GtkTreeIter iter;
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guint pulse;
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if (model == NULL)
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return G_SOURCE_REMOVE;
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gtk_tree_model_get_iter_first (model, &iter);
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gtk_tree_model_get (model, &iter,
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COLUMN_PULSE, &pulse,
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-1);
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if (pulse == G_MAXUINT)
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pulse = 0;
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else
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pulse++;
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gtk_list_store_set (GTK_LIST_STORE (model),
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&iter,
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COLUMN_PULSE, pulse,
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COLUMN_ACTIVE, TRUE,
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-1);
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return G_SOURCE_CONTINUE;
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}
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static GtkTreeModel *
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create_model (void)
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{
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int i = 0;
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GtkListStore *store;
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GtkTreeIter iter;
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/* create list store */
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store = gtk_list_store_new (NUM_COLUMNS,
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G_TYPE_BOOLEAN,
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G_TYPE_UINT,
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G_TYPE_STRING,
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G_TYPE_STRING,
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G_TYPE_UINT,
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G_TYPE_STRING,
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G_TYPE_BOOLEAN,
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G_TYPE_BOOLEAN);
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/* add data to the list store */
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for (i = 0; i < G_N_ELEMENTS (bugs); i++)
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{
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const char *icon_name;
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gboolean sensitive;
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if (i == 1 || i == 3)
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icon_name = "battery-caution-charging-symbolic";
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else
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icon_name = NULL;
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if (i == 3)
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sensitive = FALSE;
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else
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sensitive = TRUE;
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gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter,
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COLUMN_FIXED, bugs[i].fixed,
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COLUMN_NUMBER, bugs[i].number,
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COLUMN_SEVERITY, bugs[i].severity,
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COLUMN_DESCRIPTION, bugs[i].description,
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COLUMN_PULSE, 0,
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COLUMN_ICON, icon_name,
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COLUMN_ACTIVE, FALSE,
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COLUMN_SENSITIVE, sensitive,
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-1);
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}
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return GTK_TREE_MODEL (store);
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}
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static void
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fixed_toggled (GtkCellRendererToggle *cell,
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char *path_str,
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gpointer data)
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{
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GtkTreeModel *tree_model = (GtkTreeModel *)data;
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GtkTreeIter iter;
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GtkTreePath *path = gtk_tree_path_new_from_string (path_str);
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gboolean fixed;
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/* get toggled iter */
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gtk_tree_model_get_iter (tree_model, &iter, path);
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gtk_tree_model_get (tree_model, &iter, COLUMN_FIXED, &fixed, -1);
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/* do something with the value */
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fixed ^= 1;
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/* set new value */
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gtk_list_store_set (GTK_LIST_STORE (tree_model), &iter, COLUMN_FIXED, fixed, -1);
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/* clean up */
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gtk_tree_path_free (path);
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}
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static void
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add_columns (GtkTreeView *treeview)
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{
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GtkCellRenderer *renderer;
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GtkTreeViewColumn *column;
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/* column for fixed toggles */
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renderer = gtk_cell_renderer_toggle_new ();
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g_signal_connect (renderer, "toggled",
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G_CALLBACK (fixed_toggled), model);
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column = gtk_tree_view_column_new_with_attributes ("Fixed?",
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renderer,
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"active", COLUMN_FIXED,
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NULL);
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/* set this column to a fixed sizing (of 50 pixels) */
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gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
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GTK_TREE_VIEW_COLUMN_FIXED);
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gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 50);
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gtk_tree_view_append_column (treeview, column);
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/* column for bug numbers */
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renderer = gtk_cell_renderer_text_new ();
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column = gtk_tree_view_column_new_with_attributes ("Bug number",
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renderer,
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"text",
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COLUMN_NUMBER,
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NULL);
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gtk_tree_view_column_set_sort_column_id (column, COLUMN_NUMBER);
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gtk_tree_view_append_column (treeview, column);
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/* column for severities */
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renderer = gtk_cell_renderer_text_new ();
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column = gtk_tree_view_column_new_with_attributes ("Severity",
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renderer,
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"text",
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COLUMN_SEVERITY,
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NULL);
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gtk_tree_view_column_set_sort_column_id (column, COLUMN_SEVERITY);
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gtk_tree_view_append_column (treeview, column);
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/* column for description */
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renderer = gtk_cell_renderer_text_new ();
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column = gtk_tree_view_column_new_with_attributes ("Description",
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renderer,
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"text",
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COLUMN_DESCRIPTION,
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NULL);
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gtk_tree_view_column_set_sort_column_id (column, COLUMN_DESCRIPTION);
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gtk_tree_view_append_column (treeview, column);
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/* column for spinner */
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renderer = gtk_cell_renderer_spinner_new ();
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column = gtk_tree_view_column_new_with_attributes ("Spinning",
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renderer,
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"pulse",
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COLUMN_PULSE,
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"active",
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COLUMN_ACTIVE,
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NULL);
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gtk_tree_view_column_set_sort_column_id (column, COLUMN_PULSE);
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gtk_tree_view_append_column (treeview, column);
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/* column for symbolic icon */
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renderer = gtk_cell_renderer_pixbuf_new ();
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column = gtk_tree_view_column_new_with_attributes ("Symbolic icon",
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renderer,
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"icon-name",
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COLUMN_ICON,
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"sensitive",
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COLUMN_SENSITIVE,
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NULL);
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gtk_tree_view_column_set_sort_column_id (column, COLUMN_ICON);
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gtk_tree_view_append_column (treeview, column);
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}
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static gboolean
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window_closed (GtkWidget *widget,
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GdkEvent *event,
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gpointer user_data)
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{
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model = NULL;
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window = NULL;
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if (timeout != 0)
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{
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g_source_remove (timeout);
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timeout = 0;
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}
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return FALSE;
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}
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GtkWidget *
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do_list_store (GtkWidget *do_widget)
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{
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if (!window)
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{
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GtkWidget *vbox;
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GtkWidget *label;
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GtkWidget *sw;
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GtkWidget *treeview;
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/* create window, etc */
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window = gtk_window_new ();
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gtk_window_set_display (GTK_WINDOW (window),
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gtk_widget_get_display (do_widget));
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gtk_window_set_title (GTK_WINDOW (window), "List Store");
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g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
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gtk_widget_set_margin_start (vbox, 8);
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gtk_widget_set_margin_end (vbox, 8);
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gtk_widget_set_margin_top (vbox, 8);
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gtk_widget_set_margin_bottom (vbox, 8);
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gtk_window_set_child (GTK_WINDOW (window), vbox);
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label = gtk_label_new ("This is the bug list (note: not based on real data, it would be nice to have a nice ODBC interface to bugzilla or so, though).");
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gtk_box_append (GTK_BOX (vbox), label);
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sw = gtk_scrolled_window_new ();
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gtk_scrolled_window_set_has_frame (GTK_SCROLLED_WINDOW (sw), TRUE);
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gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
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GTK_POLICY_NEVER,
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GTK_POLICY_AUTOMATIC);
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gtk_box_append (GTK_BOX (vbox), sw);
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/* create tree model */
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model = create_model ();
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/* create tree view */
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treeview = gtk_tree_view_new_with_model (model);
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gtk_widget_set_vexpand (treeview, TRUE);
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gtk_tree_view_set_search_column (GTK_TREE_VIEW (treeview),
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COLUMN_DESCRIPTION);
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g_object_unref (model);
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gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), treeview);
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/* add columns to the tree view */
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add_columns (GTK_TREE_VIEW (treeview));
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/* finish & show */
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gtk_window_set_default_size (GTK_WINDOW (window), 280, 250);
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g_signal_connect (window, "destroy", G_CALLBACK (window_closed), NULL);
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}
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if (!gtk_widget_get_visible (window))
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{
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gtk_widget_show (window);
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if (timeout == 0) {
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/* FIXME this should use the animation-duration instead */
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timeout = g_timeout_add (80, spinner_timeout, NULL);
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}
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}
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else
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{
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gtk_window_destroy (GTK_WINDOW (window));
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window = NULL;
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if (timeout != 0)
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{
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g_source_remove (timeout);
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timeout = 0;
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}
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}
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return window;
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}
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