diff options
Diffstat (limited to 'shell/e-sidebar.c')
| -rw-r--r-- | shell/e-sidebar.c | 785 |
1 files changed, 0 insertions, 785 deletions
diff --git a/shell/e-sidebar.c b/shell/e-sidebar.c deleted file mode 100644 index 3942de727b..0000000000 --- a/shell/e-sidebar.c +++ /dev/null @@ -1,785 +0,0 @@ -/* - * 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: - * Ettore Perazzoli <ettore@ximian.com> - * - * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include "e-sidebar.h" - -#include "e-util/e-util.h" - -#include <gconf/gconf-client.h> - -typedef struct { - GtkWidget *button_widget; - GtkWidget *label; - GtkWidget *icon; - GtkWidget *hbox; - gchar *default_icon_name; - gint id; -} Button; - -struct _ESidebarPrivate { - ESidebarMode mode; - ESidebarMode toolbar_mode; - - gboolean show; - - GtkWidget *selection_widget; - GSList *buttons; - - guint style_changed_id; - - gboolean in_toggle; -}; - -enum { - BUTTON_SELECTED, - BUTTON_PRESSED, - NUM_SIGNALS -}; - -static guint signals[NUM_SIGNALS] = { 0 }; - -G_DEFINE_TYPE (ESidebar, e_sidebar, GTK_TYPE_CONTAINER) - -#define INTERNAL_MODE(sidebar) (sidebar->priv->mode == E_SIDEBAR_MODE_TOOLBAR ? sidebar->priv->toolbar_mode : sidebar->priv->mode) -#define H_PADDING 6 -#define V_PADDING 6 - -/* Utility functions. */ - -static Button * -button_new (GtkWidget *button_widget, - GtkWidget *label, - GtkWidget *icon, - GtkWidget *hbox, - gint id) -{ - Button *button = g_new (Button, 1); - const gchar *icon_name; - - button->button_widget = button_widget; - button->label = label; - button->icon = icon; - button->hbox = hbox; - button->id = id; - - gtk_image_get_icon_name (GTK_IMAGE (icon), &icon_name, NULL); - button->default_icon_name = g_strdup (icon_name); - - g_object_ref (button_widget); - g_object_ref (label); - g_object_ref (icon); - g_object_ref (hbox); - - return button; -} - -static void -button_free (Button *button) -{ - g_object_unref (button->button_widget); - g_object_unref (button->label); - g_object_unref (button->icon); - g_object_unref (button->hbox); - g_free (button->default_icon_name); - g_free (button); -} - -static void -update_buttons (ESidebar *sidebar, gint new_selected_id) -{ - GSList *p; - - sidebar->priv->in_toggle = TRUE; - - for (p = sidebar->priv->buttons; p != NULL; p = p->next) { - Button *button = p->data; - - if (button->id == new_selected_id) - gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button->button_widget), TRUE); - else - gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button->button_widget), FALSE); - } - - sidebar->priv->in_toggle = FALSE; -} - -/* Callbacks. */ - -static void -button_toggled_callback (GtkToggleButton *toggle_button, - ESidebar *sidebar) -{ - gint id = 0; - gboolean is_active = FALSE; - GSList *p; - - if (sidebar->priv->in_toggle) - return; - - sidebar->priv->in_toggle = TRUE; - - if (gtk_toggle_button_get_active (toggle_button)) - is_active = TRUE; - - for (p = sidebar->priv->buttons; p != NULL; p = p->next) { - Button *button = p->data; - - if (button->button_widget != GTK_WIDGET (toggle_button)) { - gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button->button_widget), FALSE); - } else { - gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button->button_widget), TRUE); - id = button->id; - } - } - - sidebar->priv->in_toggle = FALSE; - - if (is_active) - g_signal_emit (sidebar, signals[BUTTON_SELECTED], 0, id); -} - -static gboolean -button_pressed_callback (GtkToggleButton *toggle_button, - GdkEventButton *event, - ESidebar *sidebar) -{ - gboolean return_val = FALSE; - GSList *p; - - for (p = sidebar->priv->buttons; p != NULL; p = p->next) { - Button *button = p->data; - - if (button->button_widget == GTK_WIDGET (toggle_button)) - g_signal_emit (sidebar, signals [BUTTON_PRESSED], - 0, event, button->id, &return_val); - } - - return return_val; -} - -static gboolean -button_query_tooltip (GtkWidget *widget, - gint x, - gint y, - gboolean keyboard_mode, - GtkTooltip *tooltip, - ESidebar *sidebar) -{ - /* Show the tooltip only if the label is hidden */ - if (INTERNAL_MODE (sidebar) == E_SIDEBAR_MODE_ICON) { - gchar *tip; - - tip = g_object_get_data (G_OBJECT (widget), - "ESidebar:button-tooltip"); - if (tip) { - gtk_tooltip_set_text (tooltip, tip); - - return TRUE; - } - } - - return FALSE; -} - -/* Layout. */ - -static gint -layout_buttons (ESidebar *sidebar) -{ - GtkAllocation *allocation = & GTK_WIDGET (sidebar)->allocation; - ESidebarMode mode; - gboolean icons_only; - gint num_btns = g_slist_length (sidebar->priv->buttons), btns_per_row; - GSList **rows, *p; - Button *button; - gint row_number; - gint max_btn_width = 0, max_btn_height = 0; - gint row_last; - gint x, y; - gint i; - - y = allocation->y + allocation->height - V_PADDING - 1; - - if (num_btns == 0) - return y; - - mode = INTERNAL_MODE (sidebar); - icons_only = (mode == E_SIDEBAR_MODE_ICON); - - /* Figure out the max width and height */ - for (p = sidebar->priv->buttons; p != NULL; p = p->next) { - GtkRequisition requisition; - - button = p->data; - gtk_widget_size_request (GTK_WIDGET (button->button_widget), &requisition); - - max_btn_height = MAX (max_btn_height, requisition.height); - max_btn_width = MAX (max_btn_width, requisition.width); - } - - /* Figure out how many rows and columns we'll use. */ - btns_per_row = allocation->width / (max_btn_width + H_PADDING); - if (!icons_only) { - /* If using text buttons, we want to try to have a - * completely filled-in grid, but if we can't, we want - * the odd row to have just a single button. - */ - while (num_btns % btns_per_row > 1) - btns_per_row--; - } - - /* Assign buttons to rows */ - rows = g_new0 (GSList *, num_btns / btns_per_row + 1); - - if (!icons_only && num_btns % btns_per_row != 0) { - button = sidebar->priv->buttons->data; - rows [0] = g_slist_append (rows [0], button->button_widget); - - p = sidebar->priv->buttons->next; - row_number = p ? 1 : 0; - } else { - p = sidebar->priv->buttons; - row_number = 0; - } - - for (; p != NULL; p = p->next) { - button = p->data; - - if (g_slist_length (rows [row_number]) == btns_per_row) - row_number ++; - - rows [row_number] = g_slist_append (rows [row_number], button->button_widget); - } - - row_last = row_number; - - /* Layout the buttons. */ - for (i = row_last; i >= 0; i --) { - gint len, extra_width; - - y -= max_btn_height; - x = H_PADDING + allocation->x; - len = g_slist_length (rows[i]); - if (mode == E_SIDEBAR_MODE_TEXT || mode == E_SIDEBAR_MODE_BOTH) - extra_width = (allocation->width - (len * max_btn_width ) - (len * H_PADDING)) / len; - else - extra_width = 0; - for (p = rows [i]; p != NULL; p = p->next) { - GtkAllocation child_allocation; - - child_allocation.x = x; - child_allocation.y = y; - child_allocation.width = max_btn_width + extra_width; - child_allocation.height = max_btn_height; - - gtk_widget_size_allocate (GTK_WIDGET (p->data), &child_allocation); - - x += child_allocation.width + H_PADDING; - } - - y -= V_PADDING; - } - - for (i = 0; i <= row_last; i ++) - g_slist_free (rows [i]); - g_free (rows); - - return y; -} - -static void -do_layout (ESidebar *sidebar) -{ - GtkAllocation *allocation = & GTK_WIDGET (sidebar)->allocation; - GtkAllocation child_allocation; - gint y; - - if (sidebar->priv->show) - y = layout_buttons (sidebar); - else - y = allocation->y + allocation->height; - - /* Place the selection widget. */ - child_allocation.x = allocation->x; - child_allocation.y = allocation->y; - child_allocation.width = allocation->width; - child_allocation.height = y - allocation->y; - - gtk_widget_size_allocate (sidebar->priv->selection_widget, & child_allocation); -} - -/* GtkContainer methods. */ - -static void -impl_forall (GtkContainer *container, - gboolean include_internals, - GtkCallback callback, - gpointer callback_data) -{ - ESidebar *sidebar = E_SIDEBAR (container); - GSList *p; - - if (sidebar->priv->selection_widget != NULL) - (* callback) (sidebar->priv->selection_widget, callback_data); - - for (p = sidebar->priv->buttons; p != NULL; p = p->next) { - GtkWidget *widget = ((Button *) p->data)->button_widget; - (* callback) (widget, callback_data); - } -} - -static void -impl_remove (GtkContainer *container, - GtkWidget *widget) -{ - ESidebar *sidebar = E_SIDEBAR (container); - GSList *p; - - if (widget == sidebar->priv->selection_widget) { - e_sidebar_set_selection_widget (sidebar, NULL); - return; - } - - for (p = sidebar->priv->buttons; p != NULL; p = p->next) { - GtkWidget *button_widget = ((Button *) p->data)->button_widget; - - if (button_widget == widget) { - gtk_widget_unparent (button_widget); - sidebar->priv->buttons = g_slist_remove_link (sidebar->priv->buttons, p); - gtk_widget_queue_resize (GTK_WIDGET (sidebar)); - break; - } - } -} - -/* GtkWidget methods. */ - -static void -impl_size_request (GtkWidget *widget, - GtkRequisition *requisition) -{ - ESidebar *sidebar = E_SIDEBAR (widget); - GSList *p; - - if (sidebar->priv->selection_widget == NULL) { - requisition->width = 2 * H_PADDING; - requisition->height = 2 * V_PADDING; - } else { - gtk_widget_size_request (sidebar->priv->selection_widget, requisition); - } - - if (!sidebar->priv->show) - return; - - for (p = sidebar->priv->buttons; p != NULL; p = p->next) { - Button *button = p->data; - GtkRequisition button_requisition; - - gtk_widget_size_request (button->button_widget, &button_requisition); - - requisition->width = MAX (requisition->width, button_requisition.width + 2 * H_PADDING); - requisition->height += button_requisition.height + V_PADDING; - } -} - -static void -impl_size_allocate (GtkWidget *widget, - GtkAllocation *allocation) -{ - widget->allocation = *allocation; - - do_layout (E_SIDEBAR (widget)); -} - -/* GObject methods. */ - -static void -impl_dispose (GObject *object) -{ - ESidebarPrivate *priv = E_SIDEBAR (object)->priv; - GConfClient *gconf_client = gconf_client_get_default (); - - g_slist_foreach (priv->buttons, (GFunc) button_free, NULL); - g_slist_free (priv->buttons); - priv->buttons = NULL; - - if (priv->style_changed_id) { - gconf_client_notify_remove (gconf_client, priv->style_changed_id); - priv->style_changed_id = 0; - } - - g_object_unref (gconf_client); - - (* G_OBJECT_CLASS (e_sidebar_parent_class)->dispose) (object); -} - -static gboolean -boolean_handled_accumulator (GSignalInvocationHint *ihint, - GValue *return_accu, - const GValue *handler_return, - gpointer dummy) -{ - gboolean handled; - - handled = g_value_get_boolean (handler_return); - g_value_set_boolean (return_accu, handled); - - return !handled; -} - -static void -impl_finalize (GObject *object) -{ - ESidebarPrivate *priv = E_SIDEBAR (object)->priv; - - g_free (priv); - - (* G_OBJECT_CLASS (e_sidebar_parent_class)->finalize) (object); -} - -/* Initialization. */ - -static void -e_sidebar_class_init (ESidebarClass *klass) -{ - GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass); - GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); - GObjectClass *object_class = G_OBJECT_CLASS (klass); - - container_class->forall = impl_forall; - container_class->remove = impl_remove; - - widget_class->size_request = impl_size_request; - widget_class->size_allocate = impl_size_allocate; - - object_class->dispose = impl_dispose; - object_class->finalize = impl_finalize; - - signals[BUTTON_SELECTED] - = g_signal_new ("button_selected", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (ESidebarClass, button_selected), - NULL, NULL, - g_cclosure_marshal_VOID__INT, - G_TYPE_NONE, 1, - G_TYPE_INT); - signals[BUTTON_PRESSED] - = g_signal_new ("button_pressed", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (ESidebarClass, button_pressed), - boolean_handled_accumulator, NULL, - e_marshal_NONE__POINTER_INT, - G_TYPE_BOOLEAN, 2, - G_TYPE_POINTER, G_TYPE_INT); -} - -static void -e_sidebar_init (ESidebar *sidebar) -{ - ESidebarPrivate *priv; - - GTK_WIDGET_SET_FLAGS (sidebar, GTK_NO_WINDOW); - - priv = g_new0 (ESidebarPrivate, 1); - sidebar->priv = priv; - - priv->mode = E_SIDEBAR_MODE_TEXT; -} - -GtkWidget * -e_sidebar_new (void) -{ - ESidebar *sidebar = g_object_new (e_sidebar_get_type (), NULL); - - return GTK_WIDGET (sidebar); -} - -void -e_sidebar_set_selection_widget (ESidebar *sidebar, GtkWidget *widget) -{ - if (sidebar->priv->selection_widget != NULL) - gtk_widget_unparent (sidebar->priv->selection_widget); - - sidebar->priv->selection_widget = widget; - - if (widget != NULL) - gtk_widget_set_parent (widget, GTK_WIDGET (sidebar)); - - gtk_widget_queue_resize (GTK_WIDGET (sidebar)); -} - -void -e_sidebar_add_button (ESidebar *sidebar, - const gchar *label, - const gchar *tooltips, - const gchar *icon_name, - gint id) -{ - GtkWidget *button_widget; - GtkWidget *hbox; - GtkWidget *icon_widget; - GtkWidget *label_widget; - - button_widget = gtk_toggle_button_new (); - if (sidebar->priv->show) - gtk_widget_show (button_widget); - g_signal_connect (button_widget, "toggled", G_CALLBACK (button_toggled_callback), sidebar); - g_signal_connect (button_widget, "button_press_event", - G_CALLBACK (button_pressed_callback), sidebar); - - hbox = gtk_hbox_new (FALSE, 3); - gtk_container_set_border_width (GTK_CONTAINER (hbox), 2); - gtk_widget_show (hbox); - - icon_widget = gtk_image_new_from_icon_name ( - icon_name, GTK_ICON_SIZE_BUTTON); - gtk_widget_show (icon_widget); - - label_widget = gtk_label_new (label); - gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.5); - gtk_widget_show (label_widget); - - g_object_set_data_full (G_OBJECT (button_widget), - "ESidebar:button-tooltip", - g_strdup (tooltips), - g_free); - gtk_widget_set_has_tooltip (button_widget, TRUE); - g_signal_connect (button_widget, "query-tooltip", - G_CALLBACK (button_query_tooltip), sidebar); - - switch (INTERNAL_MODE (sidebar)) { - case E_SIDEBAR_MODE_TEXT: - gtk_box_pack_start (GTK_BOX (hbox), label_widget, TRUE, TRUE, 0); - break; - case E_SIDEBAR_MODE_ICON: - gtk_box_pack_start (GTK_BOX (hbox), icon_widget, TRUE, TRUE, 0); - break; - case E_SIDEBAR_MODE_BOTH: - default: - gtk_box_pack_start (GTK_BOX (hbox), icon_widget, FALSE, TRUE, 0); - gtk_box_pack_start (GTK_BOX (hbox), label_widget, TRUE, TRUE, 0); - break; - } - - gtk_container_add (GTK_CONTAINER (button_widget), hbox); - - sidebar->priv->buttons = g_slist_append (sidebar->priv->buttons, button_new (button_widget, label_widget, icon_widget, hbox, id)); - gtk_widget_set_parent (button_widget, GTK_WIDGET (sidebar)); - - gtk_widget_queue_resize (GTK_WIDGET (sidebar)); -} - -/** - * e_sidebar_change_button_icon - * @sidebar: an #ESidebar - * @icon_name: button icon name, or %NULL - * @button_id: component's button ID, for which change the icon. - * - * This will change icon in icon_widget of the button of known component. - * You cannot change icon as in a stack, only one default icon will be stored. - **/ -void -e_sidebar_change_button_icon (ESidebar *sidebar, const gchar *icon_name, gint button_id) -{ - GSList *p; - - g_return_if_fail (sidebar != NULL); - - for (p = sidebar->priv->buttons; p != NULL; p = p->next) { - Button *button = p->data; - - if (button->id == button_id) { - if (!button->icon) - break; - - if (icon_name == NULL) - icon_name = button->default_icon_name; - - gtk_image_set_from_icon_name ( - GTK_IMAGE (button->icon), - icon_name, GTK_ICON_SIZE_BUTTON); - - break; - } - } -} - -void -e_sidebar_select_button (ESidebar *sidebar, gint id) -{ - update_buttons (sidebar, id); - - g_signal_emit (sidebar, signals[BUTTON_SELECTED], 0, id); -} - -ESidebarMode -e_sidebar_get_mode (ESidebar *sidebar) -{ - return sidebar->priv->mode; -} - -static GConfEnumStringPair toolbar_styles[] = { - { E_SIDEBAR_MODE_TEXT, "text" }, - { E_SIDEBAR_MODE_ICON, "icons" }, - { E_SIDEBAR_MODE_BOTH, "both" }, - { E_SIDEBAR_MODE_BOTH, "both-horiz" }, - { E_SIDEBAR_MODE_BOTH, "both_horiz" }, - { -1, NULL } -}; - -static void -set_mode_internal (ESidebar *sidebar, ESidebarMode mode ) -{ - GSList *p; - - if (mode == INTERNAL_MODE (sidebar)) - return; - - for (p = sidebar->priv->buttons; p != NULL; p = p->next) { - Button *button = p->data; - - switch (mode) { - case E_SIDEBAR_MODE_TEXT: - gtk_container_remove (GTK_CONTAINER (button->hbox), button->icon); - if (INTERNAL_MODE (sidebar) == E_SIDEBAR_MODE_ICON) { - gtk_box_pack_start (GTK_BOX (button->hbox), button->label, TRUE, TRUE, 0); - gtk_widget_show (button->label); - } - break; - case E_SIDEBAR_MODE_ICON: - gtk_container_remove(GTK_CONTAINER (button->hbox), button->label); - if (INTERNAL_MODE (sidebar) == E_SIDEBAR_MODE_TEXT) { - gtk_box_pack_start (GTK_BOX (button->hbox), button->icon, TRUE, TRUE, 0); - gtk_widget_show (button->icon); - } else - gtk_container_child_set (GTK_CONTAINER (button->hbox), button->icon, - "expand", TRUE, - NULL); - break; - case E_SIDEBAR_MODE_BOTH: - if (INTERNAL_MODE (sidebar) == E_SIDEBAR_MODE_TEXT) { - gtk_container_remove (GTK_CONTAINER (button->hbox), button->label); - gtk_box_pack_start (GTK_BOX (button->hbox), button->icon, FALSE, TRUE, 0); - gtk_widget_show (button->icon); - } else { - gtk_container_child_set (GTK_CONTAINER (button->hbox), button->icon, - "expand", FALSE, - NULL); - } - - gtk_box_pack_start (GTK_BOX (button->hbox), button->label, TRUE, TRUE, 0); - gtk_widget_show (button->label); - break; - default: - break; - } - } -} - -static void -style_changed_notify (GConfClient *gconf, guint id, GConfEntry *entry, gpointer data) -{ - ESidebar *sidebar = data; - gchar *val; - gint mode; - - val = gconf_client_get_string (gconf, "/desktop/gnome/interface/toolbar_style", NULL); - if (val == NULL || !gconf_string_to_enum (toolbar_styles, val, &mode)) - mode = E_SIDEBAR_MODE_BOTH; - g_free(val); - - set_mode_internal (E_SIDEBAR (sidebar), mode); - sidebar->priv->toolbar_mode = mode; - - gtk_widget_queue_resize (GTK_WIDGET (sidebar)); -} - -void -e_sidebar_set_mode (ESidebar *sidebar, ESidebarMode mode) -{ - GConfClient *gconf_client = gconf_client_get_default (); - - if (sidebar->priv->mode == mode) - return; - - if (sidebar->priv->mode == E_SIDEBAR_MODE_TOOLBAR) { - if (sidebar->priv->style_changed_id) { - gconf_client_notify_remove (gconf_client, sidebar->priv->style_changed_id); - sidebar->priv->style_changed_id = 0; - } - } - - if (mode != E_SIDEBAR_MODE_TOOLBAR) { - set_mode_internal (sidebar, mode); - - gtk_widget_queue_resize (GTK_WIDGET (sidebar)); - } else { - /* This is a little bit tricky, toolbar mode is more - * of a meta-mode where the actual mode is dictated by - * the gnome toolbar setting, so that is why we have - * the is_toolbar_mode bool - it tracks the toolbar - * mode while the mode member is the actual look and - * feel */ - sidebar->priv->style_changed_id = gconf_client_notify_add (gconf_client, - "/desktop/gnome/interface/toolbar_style", - style_changed_notify, sidebar, NULL, NULL); - style_changed_notify (gconf_client, 0, NULL, sidebar); - } - - g_object_unref (gconf_client); - - sidebar->priv->mode = mode; -} - -void -e_sidebar_set_show_buttons (ESidebar *sidebar, gboolean show) -{ - GSList *p; - - if (sidebar->priv->show == show) - return; - - for (p = sidebar->priv->buttons; p != NULL; p = p->next) { - Button *button = p->data; - - if (show) - gtk_widget_show (button->button_widget); - else - gtk_widget_hide (button->button_widget); - } - - sidebar->priv->show = show; - - gtk_widget_queue_resize (GTK_WIDGET (sidebar)); -} - -gboolean -e_sidebar_get_show_buttons (ESidebar *sidebar) -{ - return sidebar->priv->show; -} |