mirror of https://github.com/djcb/mu.git
180 lines
4.8 KiB
C
180 lines
4.8 KiB
C
/*
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** Copyright (C) 2011 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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**
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** This program is free software; you can redistribute it and/or modify it
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** under the terms of the GNU General Public License as published by the
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** Free Software Foundation; either version 3, or (at your option) any
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** later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software Foundation,
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** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**
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*/
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#include "mu-msg-source-view.h"
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/* include other impl specific header files */
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/* 'private'/'protected' functions */
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static void mu_msg_source_view_class_init (MuMsgSourceViewClass *klass);
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static void mu_msg_source_view_init (MuMsgSourceView *obj);
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static void mu_msg_source_view_finalize (GObject *obj);
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/* list my signals */
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enum {
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ACTION_REQUESTED,
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/* MY_SIGNAL_2, */
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LAST_SIGNAL
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};
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struct _MuMsgSourceViewPrivate {
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GtkWidget *_view;
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};
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#define MU_MSG_SOURCE_VIEW_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), \
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MU_TYPE_MSG_SOURCE_VIEW, \
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MuMsgSourceViewPrivate))
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/* globals */
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static GtkVBoxClass *parent_class = NULL;
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static guint signals[LAST_SIGNAL] = {0};
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G_DEFINE_TYPE (MuMsgSourceView, mu_msg_source_view, GTK_TYPE_VBOX);
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static void
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mu_msg_source_view_class_init (MuMsgSourceViewClass *klass)
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{
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GObjectClass *gobject_class;
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gobject_class = (GObjectClass*) klass;
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->finalize = mu_msg_source_view_finalize;
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g_type_class_add_private (gobject_class, sizeof(MuMsgSourceViewPrivate));
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signals[ACTION_REQUESTED] =
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g_signal_new ("action-requested",
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G_TYPE_FROM_CLASS (gobject_class),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (MuMsgSourceViewClass,
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action_requested),
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NULL, NULL,
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g_cclosure_marshal_VOID__STRING,
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G_TYPE_NONE, 1, G_TYPE_STRING);
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}
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static void
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on_menu_item_activate (GtkMenuItem *item, MuMsgSourceView *self)
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{
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g_signal_emit (G_OBJECT(self),
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signals[ACTION_REQUESTED], 0,
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g_object_get_data (G_OBJECT(item), "action"));
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}
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static void
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popup_menu (MuMsgSourceView *self, guint button, guint32 activate_time)
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{
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GtkWidget *menu;
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int i;
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struct {
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const char* title;
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const char* action;
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} actions[] = {
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{ "View message...", "view-message" }
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};
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menu = gtk_menu_new ();
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for (i = 0; i != G_N_ELEMENTS(actions); ++i) {
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GtkWidget *item;
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item = gtk_menu_item_new_with_label(actions[i].title);
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g_object_set_data (G_OBJECT(item), "action", (gpointer)actions[i].action);
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g_signal_connect (item, "activate", G_CALLBACK(on_menu_item_activate),
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self);
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gtk_menu_attach (GTK_MENU(menu), item, 0, 1, i, i+1);
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gtk_widget_show (item);
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}
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gtk_menu_popup (GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, 0);
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}
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static gboolean
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on_button_press_event (GtkWidget *w, GdkEventButton *event,
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MuMsgSourceView *self)
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{
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/* ignore all but the first (typically, left) mouse button */
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switch (event->button) {
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case 1: return FALSE; /* propagate, let widget handle it */
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case 3: popup_menu (self, event->button, event->time);
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default: return TRUE; /* ignore */
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}
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return (event->button > 1) ? TRUE : FALSE;
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}
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static void
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mu_msg_source_view_init (MuMsgSourceView *self)
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{
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self->_priv = MU_MSG_SOURCE_VIEW_GET_PRIVATE(self);
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self->_priv->_view = gtk_text_view_new ();
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gtk_text_view_set_editable (GTK_TEXT_VIEW(self->_priv->_view),
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FALSE);
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gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW(self->_priv->_view),
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GTK_WRAP_NONE);
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/* handle right-button clicks */
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g_signal_connect (self->_priv->_view, "button-press-event",
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G_CALLBACK(on_button_press_event), self);
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gtk_box_pack_start (GTK_BOX(self), self->_priv->_view,
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TRUE, TRUE, 0);
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}
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static void
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mu_msg_source_view_finalize (GObject *obj)
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{
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/* free/unref instance resources here */
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G_OBJECT_CLASS(parent_class)->finalize (obj);
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}
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GtkWidget*
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mu_msg_source_view_new (void)
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{
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return GTK_WIDGET(g_object_new(MU_TYPE_MSG_SOURCE_VIEW, NULL));
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}
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void
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mu_msg_source_view_set_message (MuMsgSourceView *self, MuMsg *msg)
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{
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GtkTextBuffer *buf;
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const gchar *path;
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gchar *data;
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g_return_if_fail (MU_IS_MSG_SOURCE_VIEW(self));
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g_return_if_fail (msg);
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buf = gtk_text_view_get_buffer
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(GTK_TEXT_VIEW(self->_priv->_view));
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path = msg ? mu_msg_get_path (msg) : NULL;
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if (path && g_file_get_contents (path, &data, NULL, NULL)) {
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gtk_text_buffer_set_text (buf, data, -1);
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g_free (data);
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} else
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gtk_text_buffer_set_text (buf, "", 0);
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}
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