static gboolean
which_tooltip_cb (GtkWidget *widget, gint x, gint y, gboolean keyboard_mode, GtkTooltip *tooltip, gpointer user_data)
{
gchar *text = "";
GncCombott *combott = GNC_COMBOTT (user_data);
GncCombottPrivate *priv = GNC_COMBOTT_GET_PRIVATE (combott);
if(priv->active != 0)
{
gtk_tree_model_get( priv->model, &priv->active_iter, priv->tip_col, &text, -1 );
if(g_strcmp0(text, "") && (text != NULL))
{
gchar *label = "";
gtk_tooltip_set_text (tooltip, text);
g_free(text);
return TRUE;
}
else
{
g_free(text);
return FALSE;
}
}
return FALSE;
}
static gboolean
button_press_cb (GtkWidget *widget, GdkEvent *event, gpointer *user_data )
{
GncCombott *combott = GNC_COMBOTT (user_data);
GncCombottPrivate *priv = GNC_COMBOTT_GET_PRIVATE (combott);
if(priv->model != NULL)
{
if (event->type == GDK_BUTTON_PRESS)
{
GdkEventButton *bevent = (GdkEventButton *) event;
gtk_menu_popup (GTK_MENU (priv->menu),
NULL, NULL,
gctt_combott_menu_position, combott,
bevent->button, bevent->time);
/* Tell calling code that we have handled this event; the buck
* stops here. */
return TRUE;
}
}
/* Tell calling code that we have not handled this event; pass it on. */
return FALSE;
}
/* Note that g_value_set_object() refs the object, as does
* g_object_get(). But g_object_get() only unrefs once when it disgorges
* the object, leaving an unbalanced ref, which leaks. So instead of
* using g_value_set_object(), use g_value_take_object() which doesn't
* ref the object when used in get_property().
*/
static void
gctt_get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec)
{
GncCombott *combott = GNC_COMBOTT (object);
GncCombottPrivate *priv = GNC_COMBOTT_GET_PRIVATE (combott);
switch (param_id)
{
case PROP_MODEL:
g_value_take_object (value, priv->model);
break;
case PROP_ACTIVE:
g_value_set_int (value, gnc_combott_get_active (combott));
break;
case PROP_TEXT_COL:
g_value_set_int (value, priv->text_col);
break;
case PROP_TIP_COL:
g_value_set_int (value, priv->tip_col);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
void
gnc_combott_set_active (GncCombott *combott, gint index)
{
GncCombottPrivate *priv;
GtkTreeIter iter;
gboolean valid = TRUE;
gint active = 1;
g_return_if_fail (GNC_IS_COMBOTT (combott));
g_return_if_fail (index >= -1);
priv = GNC_COMBOTT_GET_PRIVATE (combott);
/* Do we have a valid model */
if (priv->model != NULL)
{
/* Is index the same as current option */
if(index + 1 != priv->active)
{
/* Set button label to blank for no selection */
if(index == -1)
{
priv->active = 0;
gtk_label_set_text(GTK_LABEL(priv->label), "");
g_signal_emit (combott, combott_signals[CHANGED], 0);
}
else
{
/* Get the corresponding entry in the list store */
valid = gtk_tree_model_get_iter_first (priv->model, &iter);
while (valid)
{
/* Walk through the list, reading each row */
gchar *str_data;
gchar *tip_data;
/* Make sure you terminate calls to gtk_tree_model_get()
* with a '-1' value */
gtk_tree_model_get (priv->model, &iter,
priv->text_col, &str_data,
priv->tip_col, &tip_data,
-1);
if(index + 1 == active)
{
priv->active = index + 1;
priv->active_iter = iter;
gtk_label_set_text(GTK_LABEL(priv->label), str_data);
gnc_label_set_alignment (priv->label, 0, 0.5);
g_signal_emit (combott, combott_signals[CHANGED], 0);
}
g_free (str_data);
g_free (tip_data);
active ++;
valid = gtk_tree_model_iter_next (priv->model, &iter);
}
}
}
}
}
static void
menu_getsize_cb (GtkWidget *widget, GtkAllocation *allocation, gpointer *user_data)
{
GncCombott *combott = GNC_COMBOTT (user_data);
GncCombottPrivate *priv = GNC_COMBOTT_GET_PRIVATE (combott);
/* Set the menu width */
gtk_widget_set_size_request (widget, priv->width - 6, allocation->height);
}
static void
button_getsize_cb (GtkWidget *widget, GtkAllocation *allocation, gpointer *user_data)
{
GncCombott *combott = GNC_COMBOTT (user_data);
GncCombottPrivate *priv = GNC_COMBOTT_GET_PRIVATE (combott);
priv->width = allocation->width;
priv->height = allocation->height;
priv->x = allocation->x;
priv->y = allocation->y;
}
static void
gctt_refresh_menu (GncCombott *combott, GtkTreeModel *model)
{
GncCombottPrivate *priv;
g_return_if_fail (GNC_IS_COMBOTT (combott));
g_return_if_fail (model == NULL || GTK_IS_TREE_MODEL (model));
priv = GNC_COMBOTT_GET_PRIVATE (combott);
gctt_rebuild_menu(combott, model);
}
static void
gctt_combott_menu_position (GtkMenu *menu,
gint *x,
gint *y,
gint *push_in,
gpointer user_data)
{
GncCombott *combott = GNC_COMBOTT (user_data);
GncCombottPrivate *priv = GNC_COMBOTT_GET_PRIVATE (combott);
gint sx, sy;
GtkWidget *child;
GtkRequisition req;
GtkAllocation alloc;
GtkBorder padding;
GtkStyleContext *sc = gtk_widget_get_style_context (GTK_WIDGET (priv->button));
GtkStateFlags state_flags = gtk_style_context_get_state (sc);
child = gtk_bin_get_child (GTK_BIN (priv->button));
sx = sy = 0;
if (!gtk_widget_get_has_window (child))
{
gtk_widget_get_allocation (child, &alloc);
sx += alloc.x;
sy += alloc.y;
}
gdk_window_get_root_coords (gtk_widget_get_window (child), sx, sy, &sx, &sy);
gtk_style_context_get_padding (sc, state_flags, &padding);
sx -= padding.left;
gtk_widget_get_preferred_size (GTK_WIDGET (menu), &req, NULL);
if (gtk_widget_get_direction (GTK_WIDGET (priv->button)) == GTK_TEXT_DIR_LTR)
*x = sx;
else
{
gtk_widget_get_allocation (child, &alloc);
*x = sx + alloc.width - req.width;
}
if(priv->active == -1 || priv->active == 0)
*y = sy;
else
*y = sy - ((req.height / priv->num_items) * (priv->active - 1));
*push_in = FALSE;
}
gint
gnc_combott_get_active (GncCombott *combott)
{
GncCombottPrivate *priv;
gint result;
g_return_val_if_fail (GNC_IS_COMBOTT (combott), 0);
priv = GNC_COMBOTT_GET_PRIVATE (combott);
result = priv->active - 1;
return result;
}
static void
menuitem_response_cb (GtkMenuItem *item, gpointer *user_data )
{
const gchar *label_text;
GtkTreeIter iter, iter_now = {0, NULL, NULL, NULL};
gboolean valid;
gint active = 1;
gint active_now = 1;
GncCombott *combott = GNC_COMBOTT (user_data);
GncCombottPrivate *priv = GNC_COMBOTT_GET_PRIVATE (combott);
label_text = gtk_menu_item_get_label (item);
/* Set the button Label */
gtk_label_set_text(GTK_LABEL(priv->label), label_text);
gtk_misc_set_alignment (GTK_MISC(priv->label), 0, 0.5);
/* Get the corresponding entry in the list store */
valid = gtk_tree_model_get_iter_first (priv->model, &iter);
while (valid)
{
/* Walk through the list, reading each row */
gchar *str_data;
gchar *tip_data;
gtk_tree_model_get (priv->model, &iter,
priv->text_col, &str_data,
priv->tip_col, &tip_data,
-1);
if(!g_strcmp0(str_data, label_text))
{
active_now = active;
iter_now = iter;
}
g_free (str_data);
g_free (tip_data);
active ++;
valid = gtk_tree_model_iter_next (priv->model, &iter);
}
/* Emit Changed signal if we have selected a new entry */
if(priv->active != active_now)
{
priv->active = active_now;
priv->active_iter = iter_now;
g_signal_emit (combott, combott_signals[CHANGED], 0);
}
}
static void
gctt_combott_menu_position (GtkMenu *menu,
gint *x,
gint *y,
gint *push_in,
gpointer user_data)
{
GncCombott *combott = GNC_COMBOTT (user_data);
GncCombottPrivate *priv = GNC_COMBOTT_GET_PRIVATE (combott);
gint sx, sy;
GtkWidget *child;
GtkRequisition req;
GtkAllocation alloc;
child = gtk_bin_get_child (GTK_BIN (priv->button));
sx = sy = 0;
if (!gtk_widget_get_has_window (child))
{
gtk_widget_get_allocation (child, &alloc);
sx += alloc.x;
sy += alloc.y;
}
gdk_window_get_root_coords (gtk_widget_get_window (child), sx, sy, &sx, &sy);
sx -= gtk_widget_get_style (GTK_WIDGET (priv->button))->xthickness;
gtk_widget_size_request (GTK_WIDGET (menu), &req);
if (gtk_widget_get_direction (GTK_WIDGET (priv->button)) == GTK_TEXT_DIR_LTR)
*x = sx;
else
{
gtk_widget_get_allocation (child, &alloc);
*x = sx + alloc.width - req.width;
}
if(priv->active == -1 || priv->active == 0)
*y = sy;
else
*y = sy - ((req.height / priv->num_items) * (priv->active - 1));
*push_in = FALSE;
}
static void
gctt_init (GncCombott *combott)
{
GtkWidget *hbox;
GtkWidget *label;
GtkWidget *arrow;
GtkWidget *button;
GtkWidget *sep;
GncCombottPrivate *priv = GNC_COMBOTT_GET_PRIVATE (combott);
priv->active = 0;
priv->text_col = 0;
priv->tip_col = 1;
hbox = gtk_hbox_new(FALSE, 0);
arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT);
gtk_box_pack_end (GTK_BOX (hbox), arrow, FALSE, FALSE, 0);
sep = gtk_vseparator_new();
gtk_box_pack_end (GTK_BOX (hbox), sep, FALSE, FALSE, 0);
label = gtk_label_new(NULL);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
priv->label = label;
button = gtk_button_new();
gtk_container_add(GTK_CONTAINER(button), GTK_WIDGET(hbox));
priv->button = button;
gtk_container_add(GTK_CONTAINER(combott), GTK_WIDGET(button));
g_signal_connect (button, "event",
G_CALLBACK (button_press_cb), combott);
gtk_widget_set_has_tooltip (GTK_WIDGET(combott), TRUE);
g_signal_connect(G_OBJECT(combott), "query-tooltip",
G_CALLBACK(which_tooltip_cb), combott);
g_signal_connect(G_OBJECT(combott), "size-allocate",
G_CALLBACK(button_getsize_cb), combott);
gtk_widget_show(GTK_WIDGET(priv->button));
}
static void
gctt_finalize (GObject *object)
{
GncCombott *combott;
GncCombottPrivate *priv;
g_return_if_fail (object != NULL);
g_return_if_fail (GNC_IS_COMBOTT (object));
combott = GNC_COMBOTT (object);
priv = GNC_COMBOTT_GET_PRIVATE (combott);
if (priv->model)
{
priv->model = NULL;
}
if (priv->menu)
{
priv->menu = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gctt_rebuild_menu (GncCombott *combott, GtkTreeModel *model)
{
GncCombottPrivate *priv;
GtkTreeIter iter;
GtkWidget *menu_items;
gboolean valid;
gint num = 1;
gint items = 0;
g_return_if_fail (GNC_IS_COMBOTT (combott));
g_return_if_fail (model == NULL || GTK_IS_TREE_MODEL (model));
priv = GNC_COMBOTT_GET_PRIVATE (combott);
priv->menu = NULL;
priv->menu = gtk_menu_new();
valid = gtk_tree_model_get_iter_first (model, &iter);
while (valid)
{
GtkWidget *label;
/* Walk through the list, reading each row */
gchar *str_data;
gchar *tip_data;
gtk_tree_model_get (model, &iter,
priv->text_col, &str_data,
priv->tip_col, &tip_data,
-1);
/* Create a new menu-item with a name... */
menu_items = gtk_menu_item_new_with_label (str_data);
/* Get widget width to max number of characters in list */
if(strlen(str_data) > num)
num = strlen(str_data);
/* Add the tooltip to the child label */
label = gtk_bin_get_child(GTK_BIN(menu_items));
gtk_widget_set_tooltip_text (label, tip_data);
gtk_misc_set_alignment (GTK_MISC(label), 0, 0.5);
/* ...and add it to the menu. */
gtk_menu_shell_append (GTK_MENU_SHELL (priv->menu), menu_items);
g_signal_connect (menu_items, "activate",
G_CALLBACK (menuitem_response_cb),
combott);
/* Show the widget */
gtk_widget_show (menu_items);
g_free (str_data);
g_free (tip_data);
items++;
valid = gtk_tree_model_iter_next (model, &iter);
}
g_signal_connect(G_OBJECT(priv->menu), "size-allocate", G_CALLBACK(menu_getsize_cb), combott);
/* Set widget width to max number of characters in list */
priv->max_number_char = num;
gtk_label_set_width_chars(GTK_LABEL(priv->label), priv->max_number_char);
priv->num_items = items;
}
static void
gctt_init (GncCombott *combott)
{
GtkWidget *hbox;
GtkWidget *label;
GtkWidget *arrow;
GtkWidget *button;
GtkWidget *sep;
GncCombottPrivate *priv = GNC_COMBOTT_GET_PRIVATE (combott);
gtk_orientable_set_orientation (GTK_ORIENTABLE(combott), GTK_ORIENTATION_HORIZONTAL);
// Set the style context for this widget so it can be easily manipulated with css
gnc_widget_set_style_context (GTK_WIDGET(combott), "GncCombott");
priv->active = 0;
priv->text_col = 0;
priv->tip_col = 1;
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_box_set_homogeneous (GTK_BOX(hbox), FALSE);
arrow = gtk_image_new_from_icon_name ("go-down", GTK_ICON_SIZE_BUTTON);
g_signal_connect (G_OBJECT (arrow), "draw",
G_CALLBACK (gnc_draw_arrow_cb), GINT_TO_POINTER(1));
#if GTK_CHECK_VERSION(3,12,0)
gtk_widget_set_margin_start (GTK_WIDGET(arrow), 5);
#else
gtk_widget_set_margin_left (GTK_WIDGET(arrow), 5);
#endif
gtk_box_pack_end (GTK_BOX (hbox), arrow, FALSE, FALSE, 0);
sep = gtk_separator_new (GTK_ORIENTATION_VERTICAL);
gtk_box_pack_end (GTK_BOX (hbox), sep, FALSE, FALSE, 0);
label = gtk_label_new(NULL);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
priv->label = label;
button = gtk_button_new();
gtk_container_add(GTK_CONTAINER(button), GTK_WIDGET(hbox));
priv->button = button;
gtk_container_add(GTK_CONTAINER(combott), GTK_WIDGET(button));
g_signal_connect (button, "event",
G_CALLBACK (button_press_cb), combott);
gtk_widget_set_has_tooltip (GTK_WIDGET(combott), TRUE);
g_signal_connect(G_OBJECT(combott), "query-tooltip",
G_CALLBACK(which_tooltip_cb), combott);
g_signal_connect(G_OBJECT(combott), "size-allocate",
G_CALLBACK(button_getsize_cb), combott);
gtk_widget_show(GTK_WIDGET(priv->button));
}