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Diffstat (limited to 'widgets/misc/e-expander.c')
| -rw-r--r-- | widgets/misc/e-expander.c | 1341 |
1 files changed, 0 insertions, 1341 deletions
diff --git a/widgets/misc/e-expander.c b/widgets/misc/e-expander.c deleted file mode 100644 index 771598739d..0000000000 --- a/widgets/misc/e-expander.c +++ /dev/null @@ -1,1341 +0,0 @@ -/* - * GTK - The GIMP Toolkit - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) version 3. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with the program; if not, see <http://www.gnu.org/licenses/> - * - * - * Authors: - * Mark McLoughlin <mark@skynet.ie> - * - * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) - * Copyright (C) 2003 Sun Microsystems, Inc. - * - */ - -#include <config.h> - -#include "e-expander.h" -#include "ea-widgets.h" - -#include <gdk/gdkkeysyms.h> - -#define DEFAULT_EXPANDER_SIZE 10 -#define DEFAULT_EXPANDER_SPACING 2 - -/* ESTUFF */ -#ifndef _ -#define _(x) (x) -#endif -#define E_EXPANDER_GET_PRIVATE(expander) ((EExpanderPrivate *)g_object_get_data (G_OBJECT (expander), "e-expander-priv")) - -enum { - PROP_0, - PROP_EXPANDED, - PROP_LABEL, - PROP_USE_UNDERLINE, - PROP_PADDING, - PROP_LABEL_WIDGET -}; - -typedef struct { - GtkWidget *label_widget; - gint spacing; - - GtkExpanderStyle expander_style; - guint animation_timeout; - - guint expanded : 1; - guint use_underline : 1; - guint button_down : 1; -} EExpanderPrivate; - -static void e_expander_class_init (EExpanderClass *klass); -static void e_expander_init (EExpander *expander); - -static void e_expander_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec); -static void e_expander_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec); - -static void e_expander_destroy (GtkObject *object); - -static void e_expander_realize (GtkWidget *widget); -static void e_expander_size_request (GtkWidget *widget, - GtkRequisition *requisition); -static void e_expander_size_allocate (GtkWidget *widget, - GtkAllocation *allocation); -static void e_expander_map (GtkWidget *widget); -static gboolean e_expander_expose (GtkWidget *widget, - GdkEventExpose *event); -static gboolean e_expander_button_press (GtkWidget *widget, - GdkEventButton *event); -static gboolean e_expander_button_release (GtkWidget *widget, - GdkEventButton *event); -static gboolean e_expander_motion_notify (GtkWidget *widget, - GdkEventMotion *event); -static gboolean e_expander_enter_notify (GtkWidget *widget, - GdkEventCrossing *event); -static gboolean e_expander_leave_notify (GtkWidget *widget, - GdkEventCrossing *event); -static gboolean e_expander_focus (GtkWidget *widget, - GtkDirectionType direction); - -static void e_expander_add (GtkContainer *container, - GtkWidget *widget); -static void e_expander_remove (GtkContainer *container, - GtkWidget *widget); -static void e_expander_forall (GtkContainer *container, - gboolean include_internals, - GtkCallback callback, - gpointer callback_data); - -static void e_expander_activate (EExpander *expander); - -static GtkBinClass *parent_class = NULL; - -GType -e_expander_get_type (void) -{ - static GType expander_type = 0; - - if (!expander_type) - { - static const GTypeInfo expander_info = - { - sizeof (EExpanderClass), - NULL, /* base_init */ - NULL, /* base_finalize */ - (GClassInitFunc) e_expander_class_init, - NULL, /* class_finalize */ - NULL, /* class_data */ - sizeof (EExpander), - 0, /* n_preallocs */ - (GInstanceInitFunc) e_expander_init, - }; - - expander_type = g_type_register_static (GTK_TYPE_BIN, - "EExpander", - &expander_info, 0); - } - - return expander_type; -} - -static void -e_expander_class_init (EExpanderClass *klass) -{ - GObjectClass *gobject_class; - GtkObjectClass *gtkobject_class; - GtkWidgetClass *widget_class; - GtkContainerClass *container_class; - - parent_class = g_type_class_peek_parent (klass); - - gobject_class = (GObjectClass *) klass; - gtkobject_class = (GtkObjectClass *) klass; - widget_class = (GtkWidgetClass *) klass; - container_class = (GtkContainerClass *) klass; - - gobject_class->set_property = e_expander_set_property; - gobject_class->get_property = e_expander_get_property; - - gtkobject_class->destroy = e_expander_destroy; - - widget_class->realize = e_expander_realize; - widget_class->size_request = e_expander_size_request; - widget_class->size_allocate = e_expander_size_allocate; - widget_class->map = e_expander_map; - widget_class->expose_event = e_expander_expose; - widget_class->button_press_event = e_expander_button_press; - widget_class->button_release_event = e_expander_button_release; - widget_class->motion_notify_event = e_expander_motion_notify; - widget_class->enter_notify_event = e_expander_enter_notify; - widget_class->leave_notify_event = e_expander_leave_notify; - widget_class->focus = e_expander_focus; - - container_class->add = e_expander_add; - container_class->remove = e_expander_remove; - container_class->forall = e_expander_forall; - - klass->activate = e_expander_activate; - - /* ESTUFF g_type_class_add_private (klass, sizeof (EExpanderPrivate)); */ - - g_object_class_install_property (gobject_class, - PROP_EXPANDED, - g_param_spec_boolean ("expanded", - _("Expanded"), - _("Whether or not the expander is expanded"), - FALSE, - G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); - - g_object_class_install_property (gobject_class, - PROP_LABEL, - g_param_spec_string ("label", - _("Label"), - _("Text of the expander's label"), - NULL, - G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); - - g_object_class_install_property (gobject_class, - PROP_USE_UNDERLINE, - g_param_spec_boolean ("use_underline", - _("Use underline"), - _("If set, an underline in the text indicates the next character should be used for the mnemonic accelerator key"), - FALSE, - G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); - - g_object_class_install_property (gobject_class, - PROP_PADDING, - g_param_spec_int ("spacing", - _("Spacing"), - _("Space to put between the label and the child"), - 0, - G_MAXINT, - 0, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, - PROP_LABEL_WIDGET, - g_param_spec_object ("label_widget", - _("Label widget"), - _("A widget to display in place of the usual expander label"), - GTK_TYPE_WIDGET, - G_PARAM_READWRITE)); - - gtk_widget_class_install_style_property (widget_class, - g_param_spec_int ("expander-size", - _("Expander Size"), - _("Size of the expander arrow"), - 0, - G_MAXINT, - DEFAULT_EXPANDER_SIZE, - G_PARAM_READABLE)); - - gtk_widget_class_install_style_property (widget_class, - g_param_spec_int ("expander-spacing", - _("Indicator Spacing"), - _("Spacing around expander arrow"), - 0, - G_MAXINT, - DEFAULT_EXPANDER_SPACING, - G_PARAM_READABLE)); - - widget_class->activate_signal = - g_signal_new ("activate", - G_TYPE_FROM_CLASS (gobject_class), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (EExpanderClass, activate), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - - e_expander_a11y_init(); -} - -static void -e_expander_init (EExpander *expander) -{ - EExpanderPrivate *priv; - - /* ESTUFF */ - priv = g_new0 (EExpanderPrivate, 1); - g_object_set_data_full (G_OBJECT (expander), "e-expander-priv", priv, g_free); - - /* ESTUFF priv = E_EXPANDER_GET_PRIVATE (expander); */ - - GTK_WIDGET_SET_FLAGS (expander, GTK_CAN_FOCUS); - GTK_WIDGET_UNSET_FLAGS (expander, GTK_NO_WINDOW); - - priv->label_widget = NULL; - priv->spacing = 0; - - priv->expander_style = GTK_EXPANDER_COLLAPSED; - priv->animation_timeout = 0; - - priv->expanded = FALSE; - priv->use_underline = FALSE; - priv->button_down = FALSE; - -} - -static void -e_expander_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec) -{ - EExpander *expander = E_EXPANDER (object); - - switch (prop_id) - { - case PROP_EXPANDED: - e_expander_set_expanded (expander, g_value_get_boolean (value)); - break; - case PROP_LABEL: - e_expander_set_label (expander, g_value_get_string (value)); - break; - case PROP_USE_UNDERLINE: - e_expander_set_use_underline (expander, g_value_get_boolean (value)); - break; - case PROP_PADDING: - e_expander_set_spacing (expander, g_value_get_int (value)); - break; - case PROP_LABEL_WIDGET: - e_expander_set_label_widget (expander, g_value_get_object (value)); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -e_expander_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec) -{ - EExpander *expander = E_EXPANDER (object); - EExpanderPrivate *priv; - - priv = E_EXPANDER_GET_PRIVATE (expander); - - switch (prop_id) - { - case PROP_EXPANDED: - g_value_set_boolean (value, priv->expanded); - break; - case PROP_LABEL: - g_value_set_string (value, e_expander_get_label (expander)); - break; - case PROP_USE_UNDERLINE: - g_value_set_boolean (value, priv->use_underline); - break; - case PROP_PADDING: - g_value_set_int (value, priv->spacing); - break; - case PROP_LABEL_WIDGET: - g_value_set_object (value, - priv->label_widget ? - G_OBJECT (priv->label_widget) : NULL); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -e_expander_destroy (GtkObject *object) -{ - EExpander *expander = E_EXPANDER (object); - EExpanderPrivate *priv; - - priv = E_EXPANDER_GET_PRIVATE (expander); - - if (priv->animation_timeout) - g_source_remove (priv->animation_timeout); - priv->animation_timeout = 0; - - GTK_OBJECT_CLASS (parent_class)->destroy (object); -} - -static void -e_expander_realize (GtkWidget *widget) -{ - GdkWindowAttr attributes; - gint attributes_mask; - gint border_width; - - GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED); - - border_width = GTK_CONTAINER (widget)->border_width; - - attributes.x = widget->allocation.x + border_width; - attributes.y = widget->allocation.y + border_width; - attributes.width = widget->allocation.width - 2 * border_width; - attributes.height = widget->allocation.height - 2 * border_width; - attributes.window_type = GDK_WINDOW_CHILD; - attributes.wclass = GDK_INPUT_OUTPUT; - attributes.visual = gtk_widget_get_visual (widget); - attributes.colormap = gtk_widget_get_colormap (widget); - attributes.event_mask = gtk_widget_get_events (widget) | - GDK_POINTER_MOTION_MASK | - GDK_POINTER_MOTION_HINT_MASK | - GDK_BUTTON_PRESS_MASK | - GDK_BUTTON_RELEASE_MASK | - GDK_EXPOSURE_MASK | - GDK_ENTER_NOTIFY_MASK | - GDK_LEAVE_NOTIFY_MASK; - - attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP; - - widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), - &attributes, attributes_mask); - gdk_window_set_user_data (widget->window, widget); - - widget->style = gtk_style_attach (widget->style, widget->window); - gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL); -} - -static void -e_expander_size_request (GtkWidget *widget, - GtkRequisition *requisition) -{ - EExpander *expander; - GtkBin *bin; - EExpanderPrivate *priv; - gint border_width; - gint expander_size; - gint expander_spacing; - gboolean interior_focus; - gint focus_width; - gint focus_pad; - - expander = E_EXPANDER (widget); - bin = GTK_BIN (widget); - - priv = E_EXPANDER_GET_PRIVATE (expander); - - border_width = GTK_CONTAINER (widget)->border_width; - - gtk_widget_style_get (widget, - "interior-focus", &interior_focus, - "focus-line-width", &focus_width, - "focus-padding", &focus_pad, - "expander-size", &expander_size, - "expander-spacing", &expander_spacing, - NULL); - - requisition->width = expander_size + 2 * expander_spacing + - 2 * focus_width + 2 * focus_pad; - requisition->height = interior_focus ? (2 * focus_width + 2 * focus_pad) : 0; - - if (priv->label_widget && GTK_WIDGET_VISIBLE (priv->label_widget)) - { - GtkRequisition label_requisition; - - gtk_widget_size_request (priv->label_widget, &label_requisition); - - requisition->width += label_requisition.width; - requisition->height += label_requisition.height; - } - - requisition->height = MAX (expander_size + 2 * expander_spacing, requisition->height); - - if (!interior_focus) - requisition->height += 2 * focus_width + 2 * focus_pad; - - if (bin->child && GTK_WIDGET_VISIBLE (bin->child)) - { - GtkRequisition child_requisition; - - gtk_widget_size_request (bin->child, &child_requisition); - - if (!interior_focus) - child_requisition.width += 2 * focus_width + 2 * focus_pad; - - requisition->width = MAX (requisition->width, child_requisition.width); - requisition->height += child_requisition.height + priv->spacing; - } - - requisition->width += 2 * border_width; - requisition->height += 2 * border_width + 2 * priv->spacing; -} - -static void -e_expander_size_allocate (GtkWidget *widget, - GtkAllocation *allocation) -{ - EExpander *expander; - GtkBin *bin; - EExpanderPrivate *priv; - GtkRequisition child_requisition; - gboolean child_visible = FALSE; - gint border_width; - gint expander_size; - gint expander_spacing; - gboolean interior_focus; - gint focus_width; - gint focus_pad; - gint label_height; - - expander = E_EXPANDER (widget); - bin = GTK_BIN (widget); - - priv = E_EXPANDER_GET_PRIVATE (expander); - - border_width = GTK_CONTAINER (widget)->border_width; - - gtk_widget_style_get (widget, - "interior-focus", &interior_focus, - "focus-line-width", &focus_width, - "focus-padding", &focus_pad, - "expander-size", &expander_size, - "expander-spacing", &expander_spacing, - NULL); - - child_requisition.width = 0; - child_requisition.height = 0; - if (bin->child && GTK_WIDGET_VISIBLE (bin->child)) - { - child_visible = TRUE; - gtk_widget_get_child_requisition (bin->child, &child_requisition); - } - - widget->allocation = *allocation; - - if (GTK_WIDGET_REALIZED (widget)) - gdk_window_move_resize (widget->window, - allocation->x + border_width, - allocation->y + border_width, - MAX (allocation->width - 2 * border_width, 0), - MAX (allocation->height - 2 * border_width, 0)); - - if (priv->label_widget && GTK_WIDGET_VISIBLE (priv->label_widget)) - { - GtkAllocation label_allocation; - GtkRequisition label_requisition; - gboolean ltr; - - gtk_widget_get_child_requisition (priv->label_widget, &label_requisition); - - ltr = gtk_widget_get_direction (widget) != GTK_TEXT_DIR_RTL; - - label_allocation.x = focus_width + focus_pad; - if (ltr) - label_allocation.x += expander_size + 2 * expander_spacing; - label_allocation.y = priv->spacing + focus_width + focus_pad; - - label_allocation.width = MIN (label_requisition.width, - allocation->width - 2 * border_width - - expander_size - 2 * expander_spacing - - 2 * focus_width - 2 * focus_pad); - label_allocation.width = MAX (label_allocation.width, 1); - - label_allocation.height = MIN (label_requisition.height, - allocation->height - 2 * border_width - - 2 * priv->spacing - - 2 * focus_width - 2 * focus_pad - - child_requisition.height - - (child_visible ? priv->spacing : 0)); - label_allocation.height = MAX (label_allocation.height, 1); - - gtk_widget_size_allocate (priv->label_widget, &label_allocation); - - label_height = label_allocation.height; - } - else - { - label_height = 0; - } - - if (child_visible) - { - GtkAllocation child_allocation; - gint top_height; - - top_height = MAX (2 * expander_spacing + expander_size, - label_height + - (interior_focus ? 2 * focus_width + 2 * focus_pad : 0)); - - child_allocation.x = 0; - child_allocation.y = 2 * priv->spacing + top_height; - - if (!interior_focus) - { - child_allocation.x += focus_width + focus_pad; - child_allocation.y += focus_width + focus_pad; - } - - child_allocation.width = allocation->width - 2 * border_width - - (!interior_focus ? 2 * focus_width + 2 * focus_pad : 0); - child_allocation.width = MAX (child_allocation.width, 1); - - child_allocation.height = allocation->height - top_height - - 2 * border_width - - 3 * priv->spacing - - (!interior_focus ? 2 * focus_width + 2 * focus_pad : 0); - child_allocation.height = MAX (child_allocation.height, 1); - - gtk_widget_size_allocate (bin->child, &child_allocation); - } -} - -static void -e_expander_map (GtkWidget *widget) -{ - EExpanderPrivate *priv; - - priv = E_EXPANDER_GET_PRIVATE (widget); - - if (priv->label_widget) - gtk_widget_map (priv->label_widget); - - GTK_WIDGET_CLASS (parent_class)->map (widget); -} - -static GdkRectangle -get_expander_bounds (EExpander *expander) -{ - GtkWidget *widget; - EExpanderPrivate *priv; - GdkRectangle bounds; - gint border_width; - gint expander_size; - gint expander_spacing; - gboolean interior_focus; - gint focus_width; - gint focus_pad; - gboolean ltr; - - widget = GTK_WIDGET (expander); - - priv = E_EXPANDER_GET_PRIVATE (expander); - - border_width = GTK_CONTAINER (expander)->border_width; - - gtk_widget_style_get (widget, - "interior-focus", &interior_focus, - "focus-line-width", &focus_width, - "focus-padding", &focus_pad, - "expander-size", &expander_size, - "expander-spacing", &expander_spacing, - NULL); - - ltr = gtk_widget_get_direction (widget) != GTK_TEXT_DIR_RTL; - - - if (ltr) - bounds.x = expander_spacing; - else - bounds.x = widget->allocation.width - 2 * border_width - - expander_spacing - expander_size; - - if (priv->label_widget && GTK_WIDGET_VISIBLE (priv->label_widget)) - { - GtkAllocation label_allocation; - - label_allocation = priv->label_widget->allocation; - - if (expander_size < label_allocation.height) - bounds.y = label_allocation.y + (label_allocation.height - expander_size) / 2; - else - bounds.y = priv->spacing + expander_spacing; - } - else - { - bounds.y = priv->spacing + expander_spacing; - } - - if (!interior_focus) - { - if (ltr) - bounds.x += focus_width + focus_pad; - else - bounds.x -= focus_width + focus_pad; - bounds.y += focus_width + focus_pad; - } - - bounds.width = bounds.height = expander_size; - - return bounds; -} - -static void -e_expander_paint (EExpander *expander) -{ - GtkWidget *widget; - EExpanderPrivate *priv; - gint x, y; - GtkStateType state; - GdkRectangle clip; - - widget = GTK_WIDGET (expander); - - priv = E_EXPANDER_GET_PRIVATE (expander); - - clip = get_expander_bounds (expander); - - x = clip.x + clip.width / 2; - y = clip.y + clip.height / 2; - - state = widget->state; - if (state != GTK_STATE_PRELIGHT) - state = GTK_STATE_NORMAL; - - gtk_paint_expander (widget->style, - widget->window, - state, - &clip, - widget, - "expander", - x, - y, - priv->expander_style); -} - -static void -e_expander_paint_focus (EExpander *expander, - GdkRectangle *area) -{ - GtkWidget *widget; - EExpanderPrivate *priv; - gint x, y, width, height; - gboolean interior_focus; - gint focus_width; - gint focus_pad; - gint expander_size; - gint expander_spacing; - gboolean ltr; - - widget = GTK_WIDGET (expander); - - priv = E_EXPANDER_GET_PRIVATE (expander); - - gtk_widget_style_get (widget, - "interior-focus", &interior_focus, - "focus-line-width", &focus_width, - "focus-padding", &focus_pad, - "expander-size", &expander_size, - "expander-spacing", &expander_spacing, - NULL); - - ltr = gtk_widget_get_direction (widget) != GTK_TEXT_DIR_RTL; - - if (interior_focus) - { - if (ltr) - x = expander_spacing * 2 + expander_size; - else - x = 0; - y = priv->spacing; - - width = height = 2 * focus_pad + 2 * focus_width; - - if (priv->label_widget && GTK_WIDGET_VISIBLE (priv->label_widget)) - { - GtkAllocation label_allocation = priv->label_widget->allocation; - - width += label_allocation.width; - height += label_allocation.height; - } - } - else - { - x = y = 0; - width = widget->allocation.width - 2 * GTK_CONTAINER (widget)->border_width; - height = widget->allocation.height - 2 * GTK_CONTAINER (widget)->border_width; - } - - gtk_paint_focus (widget->style, widget->window, GTK_WIDGET_STATE (widget), - area, widget, "expander", - x, y, width, height); -} - -static gboolean -e_expander_expose (GtkWidget *widget, - GdkEventExpose *event) -{ - if (GTK_WIDGET_DRAWABLE (widget)) - { - EExpander *expander = E_EXPANDER (widget); - - e_expander_paint (expander); - - if (GTK_WIDGET_HAS_FOCUS (expander)) - e_expander_paint_focus (expander, &event->area); - - GTK_WIDGET_CLASS (parent_class)->expose_event (widget, event); - } - - return FALSE; -} - -static gboolean -is_in_expander_panel (EExpander *expander, - GdkWindow *window, - gint x, - gint y) -{ - GtkWidget *widget; - GdkRectangle area; - - widget = GTK_WIDGET (expander); - - area = get_expander_bounds (expander); - - area.x = 0; - area.width = widget->allocation.width; - - if (widget->window == window) - { - if (x >= area.x && x <= (area.x + area.width) && - y >= area.y && y <= (area.y + area.height)) - return TRUE; - } - - return FALSE; -} - -static gboolean -e_expander_button_press (GtkWidget *widget, - GdkEventButton *event) -{ - EExpander *expander = E_EXPANDER (widget); - EExpanderPrivate *priv; - - priv = E_EXPANDER_GET_PRIVATE (expander); - - if (event->button == 1 && !priv->button_down) - { - if (is_in_expander_panel (expander, event->window, event->x, event->y)) - { - priv->button_down = TRUE; - return TRUE; - } - } - - return FALSE; -} - -static gboolean -e_expander_button_release (GtkWidget *widget, - GdkEventButton *event) -{ - EExpander *expander = E_EXPANDER (widget); - EExpanderPrivate *priv; - - priv = E_EXPANDER_GET_PRIVATE (expander); - - if (event->button == 1 && priv->button_down) - { - g_signal_emit_by_name (expander, "activate"); - - priv->button_down = FALSE; - return TRUE; - } - - return FALSE; -} - -static void -e_expander_maybe_prelight (EExpander *expander) -{ - GtkWidget *widget; - EExpanderPrivate *priv; - GtkStateType state = GTK_STATE_NORMAL; - - widget = GTK_WIDGET (expander); - - priv = E_EXPANDER_GET_PRIVATE (expander); - - if (!priv->button_down) - { - gint x, y; - - gdk_window_get_pointer (widget->window, &x, &y, NULL); - - if (is_in_expander_panel (expander, widget->window, x, y)) - state = GTK_STATE_PRELIGHT; - } - - gtk_widget_set_state (widget, state); -} - -static gboolean -e_expander_motion_notify (GtkWidget *widget, - GdkEventMotion *event) -{ - e_expander_maybe_prelight (E_EXPANDER (widget)); - - return FALSE; -} - -static gboolean -e_expander_enter_notify (GtkWidget *widget, - GdkEventCrossing *event) -{ - e_expander_maybe_prelight (E_EXPANDER (widget)); - - return FALSE; -} - -static gboolean -e_expander_leave_notify (GtkWidget *widget, - GdkEventCrossing *event) -{ - gtk_widget_set_state (widget, GTK_STATE_NORMAL); - - return FALSE; -} - -static gboolean -focus_child_in (GtkWidget *widget, - GtkDirectionType direction) -{ - GtkWidget *child = gtk_bin_get_child (GTK_BIN (widget)); - - if (!child) - return FALSE; - - return gtk_widget_child_focus (child, direction); -} - -static gboolean -e_expander_focus (GtkWidget *widget, - GtkDirectionType direction) -{ - EExpanderPrivate *priv; - GtkWidget *old_focus_child; - gboolean widget_is_focus; - gboolean label_can_focus; - - priv = E_EXPANDER_GET_PRIVATE (widget); - - widget_is_focus = gtk_widget_is_focus (widget); - old_focus_child = GTK_CONTAINER (widget)->focus_child; - label_can_focus = priv->label_widget && GTK_WIDGET_CAN_FOCUS (priv->label_widget); - - if (old_focus_child && old_focus_child == priv->label_widget) - { - switch (direction) - { - case GTK_DIR_TAB_BACKWARD: - case GTK_DIR_LEFT: - case GTK_DIR_UP: - gtk_widget_grab_focus (widget); - return TRUE; - case GTK_DIR_DOWN: - case GTK_DIR_TAB_FORWARD: - case GTK_DIR_RIGHT: - return focus_child_in (widget, direction); - } - } - else if (old_focus_child) - { - if (gtk_widget_child_focus (old_focus_child, direction)) - return TRUE; - - switch (direction) - { - case GTK_DIR_TAB_BACKWARD: - case GTK_DIR_LEFT: - case GTK_DIR_UP: - if (label_can_focus) - gtk_widget_grab_focus (priv->label_widget); - else - gtk_widget_grab_focus (widget); - return TRUE; - case GTK_DIR_DOWN: - case GTK_DIR_TAB_FORWARD: - case GTK_DIR_RIGHT: - return FALSE; - } - } - else if (widget_is_focus) - { - switch (direction) - { - case GTK_DIR_TAB_BACKWARD: - case GTK_DIR_LEFT: - case GTK_DIR_UP: - return FALSE; - case GTK_DIR_DOWN: - case GTK_DIR_TAB_FORWARD: - case GTK_DIR_RIGHT: - if (label_can_focus) - { - gtk_widget_grab_focus (priv->label_widget); - return TRUE; - } - - return focus_child_in (widget, direction); - } - } - else - { - switch (direction) - { - case GTK_DIR_DOWN: - case GTK_DIR_TAB_FORWARD: - case GTK_DIR_TAB_BACKWARD: - gtk_widget_grab_focus (widget); - return TRUE; - case GTK_DIR_UP: - case GTK_DIR_LEFT: - case GTK_DIR_RIGHT: - if (!focus_child_in (widget, direction)) - { - gtk_widget_grab_focus (widget); - } - return TRUE; - } - } - - g_return_val_if_reached(FALSE); -} - -static void -e_expander_add (GtkContainer *container, - GtkWidget *widget) -{ - GTK_CONTAINER_CLASS (parent_class)->add (container, widget); - - g_object_set (G_OBJECT (widget), - "visible", E_EXPANDER_GET_PRIVATE (container)->expanded, - NULL); -} - -static void -e_expander_remove (GtkContainer *container, - GtkWidget *widget) -{ - EExpander *expander = E_EXPANDER (container); - - if (E_EXPANDER_GET_PRIVATE (expander)->label_widget == widget) - e_expander_set_label_widget (expander, NULL); - else - GTK_CONTAINER_CLASS (parent_class)->remove (container, widget); -} - -static void -e_expander_forall (GtkContainer *container, - gboolean include_internals, - GtkCallback callback, - gpointer callback_data) -{ - GtkBin *bin = GTK_BIN (container); - EExpanderPrivate *priv; - - priv = E_EXPANDER_GET_PRIVATE (container); - - if (bin->child) - (* callback) (bin->child, callback_data); - - if (priv->label_widget) - (* callback) (priv->label_widget, callback_data); -} - -static void -e_expander_activate (EExpander *expander) -{ - e_expander_set_expanded (expander, - !E_EXPANDER_GET_PRIVATE (expander)->expanded); -} - -GtkWidget * -e_expander_new (const gchar *label) -{ - return g_object_new (E_TYPE_EXPANDER, "label", label, NULL); -} - -GtkWidget * -e_expander_new_with_mnemonic (const gchar *label) -{ - return g_object_new (E_TYPE_EXPANDER, - "label", label, - "use_underline", TRUE, - NULL); -} - -static gboolean -e_expander_animation_timeout (EExpander *expander) -{ - EExpanderPrivate *priv; - GdkRectangle area; - gboolean finish = FALSE; - - priv = E_EXPANDER_GET_PRIVATE (expander); - - if (GTK_WIDGET_REALIZED (expander)) - { - area = get_expander_bounds (expander); - gdk_window_invalidate_rect (GTK_WIDGET (expander)->window, &area, TRUE); - } - - if (priv->expanded) - { - if (priv->expander_style == GTK_EXPANDER_COLLAPSED) - { - priv->expander_style = GTK_EXPANDER_SEMI_EXPANDED; - } - else - { - priv->expander_style = GTK_EXPANDER_EXPANDED; - finish = TRUE; - } - } - else - { - if (priv->expander_style == GTK_EXPANDER_EXPANDED) - { - priv->expander_style = GTK_EXPANDER_SEMI_COLLAPSED; - } - else - { - priv->expander_style = GTK_EXPANDER_COLLAPSED; - finish = TRUE; - } - } - - if (finish) - { - priv->animation_timeout = 0; - g_object_set (G_OBJECT (GTK_BIN (expander)->child), - "visible", priv->expanded, - NULL); - } - - return !finish; -} - -static void -e_expander_start_animation (EExpander *expander) -{ - EExpanderPrivate *priv; - - priv = E_EXPANDER_GET_PRIVATE (expander); - - if (priv->animation_timeout) - g_source_remove (priv->animation_timeout); - - priv->animation_timeout = - g_timeout_add (50, - (GSourceFunc) e_expander_animation_timeout, - expander); -} - -void -e_expander_set_expanded (EExpander *expander, - gboolean expanded) -{ - EExpanderPrivate *priv; - - g_return_if_fail (E_IS_EXPANDER (expander)); - - priv = E_EXPANDER_GET_PRIVATE (expander); - - expanded = expanded != FALSE; - - if (priv->expanded != expanded) - { - priv->expanded = expanded; - - if (GTK_WIDGET_VISIBLE (expander)) - e_expander_start_animation (expander); - - else if (GTK_BIN (expander)->child) - { - priv->expander_style = expanded ? GTK_EXPANDER_EXPANDED : - GTK_EXPANDER_COLLAPSED; - g_object_set (G_OBJECT (GTK_BIN (expander)->child), - "visible", priv->expanded, - NULL); - } - - gtk_widget_queue_resize (GTK_WIDGET (expander)); - - g_object_notify (G_OBJECT (expander), "expanded"); - } -} - -gboolean -e_expander_get_expanded (EExpander *expander) -{ - g_return_val_if_fail (E_IS_EXPANDER (expander), FALSE); - - return E_EXPANDER_GET_PRIVATE (expander)->expanded; -} - -void -e_expander_set_spacing (EExpander *expander, - gint spacing) -{ - EExpanderPrivate *priv; - - g_return_if_fail (E_IS_EXPANDER (expander)); - g_return_if_fail (spacing >= 0); - - priv = E_EXPANDER_GET_PRIVATE (expander); - - if (priv->spacing != spacing) - { - priv->spacing = spacing; - - gtk_widget_queue_resize (GTK_WIDGET (expander)); - - g_object_notify (G_OBJECT (expander), "spacing"); - } -} - -gint -e_expander_get_spacing (EExpander *expander) -{ - g_return_val_if_fail (E_IS_EXPANDER (expander), 0); - - return E_EXPANDER_GET_PRIVATE (expander)->spacing; -} - -void -e_expander_set_label (EExpander *expander, - const gchar *label) -{ - g_return_if_fail (E_IS_EXPANDER (expander)); - - if (!label) - { - e_expander_set_label_widget (expander, NULL); - } - else - { - GtkWidget *child; - - child = gtk_label_new (label); - gtk_label_set_use_underline (GTK_LABEL (child), - E_EXPANDER_GET_PRIVATE (expander)->use_underline); - gtk_widget_show (child); - - e_expander_set_label_widget (expander, child); - } - - g_object_notify (G_OBJECT (expander), "label"); -} - -/** - * e_expander_get_label: - * @expander: a #EExpander - * - * If the expander's label widget is a #GtkLabel, return the - * text in the label widget. (The frame will have a #GtkLabel - * for the label widget if a non-%NULL argument was passed - * to e_expander_new().) - * - * Return value: the text in the label, or %NULL if there - * was no label widget or the lable widget was not - * a #GtkLabel. This string is owned by GTK+ and - * must not be modified or freed. - **/ -G_CONST_RETURN char * -e_expander_get_label (EExpander *expander) -{ - EExpanderPrivate *priv; - - g_return_val_if_fail (E_IS_EXPANDER (expander), NULL); - - priv = E_EXPANDER_GET_PRIVATE (expander); - - if (priv->label_widget && GTK_IS_LABEL (priv->label_widget)) - return gtk_label_get_text (GTK_LABEL (priv->label_widget)); - else - return NULL; -} - -void -e_expander_set_use_underline (EExpander *expander, - gboolean use_underline) -{ - EExpanderPrivate *priv; - - g_return_if_fail (E_IS_EXPANDER (expander)); - - priv = E_EXPANDER_GET_PRIVATE (expander); - - use_underline = use_underline != FALSE; - - if (priv->use_underline != use_underline) - { - priv->use_underline = use_underline; - - if (priv->label_widget && GTK_IS_LABEL (priv->label_widget)) - gtk_label_set_use_underline (GTK_LABEL (priv->label_widget), use_underline); - - g_object_notify (G_OBJECT (expander), "use_underline"); - } -} - -gboolean -e_expander_get_use_underline (EExpander *expander) -{ - g_return_val_if_fail (E_IS_EXPANDER (expander), FALSE); - - return E_EXPANDER_GET_PRIVATE (expander)->use_underline; -} - -/** - * e_expander_set_label_widget: - * @expander: a #EExpander - * @label_widget: the new label widget - * - * Set the label widget for the expander. This is the widget - * that will appear embedded alongside the expander arrow. - **/ -void -e_expander_set_label_widget (EExpander *expander, - GtkWidget *label_widget) -{ - EExpanderPrivate *priv; - gboolean need_resize = FALSE; - - g_return_if_fail (E_IS_EXPANDER (expander)); - g_return_if_fail (label_widget == NULL || GTK_IS_WIDGET (label_widget)); - g_return_if_fail (label_widget == NULL || label_widget->parent == NULL); - - priv = E_EXPANDER_GET_PRIVATE (expander); - - if (priv->label_widget == label_widget) - return; - - if (priv->label_widget) - { - need_resize = GTK_WIDGET_VISIBLE (priv->label_widget); - gtk_widget_unparent (priv->label_widget); - } - - priv->label_widget = label_widget; - - if (label_widget) - { - priv->label_widget = label_widget; - gtk_widget_set_parent (label_widget, GTK_WIDGET (expander)); - need_resize |= GTK_WIDGET_VISIBLE (label_widget); - } - - if (GTK_WIDGET_VISIBLE (expander) && need_resize) - gtk_widget_queue_resize (GTK_WIDGET (expander)); - - g_object_notify (G_OBJECT (expander), "label_widget"); -} - -/** - * e_expander_get_label_widget: - * @expander: a #EExpander - * - * Retrieves the label widget for the frame. See - * e_expander_set_label_widget(). - * - * Return value: the label widget, or %NULL if there is none. - **/ -GtkWidget * -e_expander_get_label_widget (EExpander *expander) -{ - g_return_val_if_fail (E_IS_EXPANDER (expander), NULL); - - return E_EXPANDER_GET_PRIVATE (expander)->label_widget; -} |