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mu/toys/mug/mug.cc

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/*
** Copyright (C) 2010-2020 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
**
** This program is free software; you can redistribute it and/or modify it
** under the terms of the GNU General Public License as published by the
** Free Software Foundation; either version 3, or (at your option) any
** later version.
**
** 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software Foundation,
** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**
*/
#include "config.h"
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <string.h> /* for memset */
#include <utils/mu-util.h>
#include <mu-store.hh>
#include <mu-runtime.hh>
#include "mug-msg-list-view.h"
#include "mug-query-bar.h"
#include "mug-msg-view.h"
#include "mug-shortcuts.h"
struct _MugData {
GtkWidget* win;
GtkWidget* statusbar;
GtkWidget* mlist;
GtkWidget* toolbar;
GtkWidget* msgview;
GtkWidget* querybar;
GtkWidget* shortcuts;
gchar* muhome;
};
typedef struct _MugData MugData;
static void
about_mug(MugData* mugdata)
{
GtkWidget* about;
about = gtk_message_dialog_new(GTK_WINDOW(mugdata->win),
GTK_DIALOG_MODAL,
GTK_MESSAGE_INFO,
GTK_BUTTONS_OK,
"Mug version %s\n"
"A graphical frontend to the 'mu' e-mail search engine\n\n"
"(c) 2010-2013 Dirk-Jan C. Binnema\n"
"Released under the terms of the GPLv3+",
VERSION);
gtk_dialog_run(GTK_DIALOG(about));
gtk_widget_destroy(about);
}
enum _ToolAction {
ACTION_PREV_MSG = 1,
ACTION_NEXT_MSG,
ACTION_REINDEX,
ACTION_DO_QUIT,
ACTION_ABOUT,
ACTION_SEPARATOR /* pseudo action */
};
typedef enum _ToolAction ToolAction;
static void
on_tool_button_clicked(GtkToolButton* btn, MugData* mugdata)
{
ToolAction action;
action = (ToolAction)GPOINTER_TO_UINT(g_object_get_data(G_OBJECT(btn), "action"));
switch (action) {
case ACTION_DO_QUIT: gtk_main_quit(); break;
case ACTION_NEXT_MSG: mug_msg_list_view_move_next(MUG_MSG_LIST_VIEW(mugdata->mlist)); break;
case ACTION_PREV_MSG: mug_msg_list_view_move_prev(MUG_MSG_LIST_VIEW(mugdata->mlist)); break;
case ACTION_ABOUT: about_mug(mugdata); break;
default: g_print("%u\n", action);
}
}
static GtkToolItem*
tool_button(const char* name)
{
GtkWidget* icon;
icon = gtk_image_new_from_icon_name(name, GTK_ICON_SIZE_SMALL_TOOLBAR);
return gtk_menu_tool_button_new(icon, NULL);
}
static GtkToolItem*
get_connected_tool_button(const char* stock_id, ToolAction action, MugData* mugdata)
{
GtkToolItem* btn;
btn = tool_button(stock_id);
g_object_set_data(G_OBJECT(btn), "action", GUINT_TO_POINTER(action));
g_signal_connect(G_OBJECT(btn), "clicked", G_CALLBACK(on_tool_button_clicked), mugdata);
return btn;
}
static GtkWidget*
mug_toolbar(MugData* mugdata)
{
GtkWidget* toolbar;
int i;
struct {
const char* stock_id;
ToolAction action;
} tools[] = {{"go-up", ACTION_PREV_MSG},
{"go-down", ACTION_NEXT_MSG},
{NULL, ACTION_SEPARATOR},
{"view-refresh", ACTION_REINDEX},
{NULL, ACTION_SEPARATOR},
{"help-about", ACTION_ABOUT},
{NULL, ACTION_SEPARATOR},
{"application-exit", ACTION_DO_QUIT}};
toolbar = gtk_toolbar_new();
for (i = 0; i != G_N_ELEMENTS(tools); ++i) {
if (tools[i].action == ACTION_SEPARATOR) { /* separator? */
gtk_toolbar_insert(GTK_TOOLBAR(toolbar), gtk_separator_tool_item_new(), i);
continue;
} else /* nope: a real item */
gtk_toolbar_insert(
GTK_TOOLBAR(toolbar),
get_connected_tool_button(tools[i].stock_id, tools[i].action, mugdata),
i);
}
return toolbar;
}
static void
on_shortcut_clicked(GtkWidget* w, const gchar* query, MugData* mdata)
{
mug_query_bar_set_query(MUG_QUERY_BAR(mdata->querybar), query, TRUE);
}
static GtkWidget*
mug_shortcuts_bar(MugData* data)
{
data->shortcuts = mug_shortcuts_new(mu_runtime_path(MU_RUNTIME_PATH_BOOKMARKS));
g_signal_connect(G_OBJECT(data->shortcuts),
"clicked",
G_CALLBACK(on_shortcut_clicked),
data);
return data->shortcuts;
}
static GtkWidget*
mug_statusbar(void)
{
GtkWidget* statusbar;
statusbar = gtk_statusbar_new();
return statusbar;
}
static void
on_query_changed(MugQueryBar* bar, const char* query, MugData* mugdata)
{
int count;
/* clear the old message */
mug_msg_view_set_msg(MUG_MSG_VIEW(mugdata->msgview), NULL);
count = mug_msg_list_view_query(MUG_MSG_LIST_VIEW(mugdata->mlist), query);
if (count >= 0) {
gchar* msg =
g_strdup_printf("%d message%s found matching '%s'",
count,
count > 1 ? "s" : "",
mug_msg_list_view_get_query(MUG_MSG_LIST_VIEW(mugdata->mlist)));
gtk_statusbar_push(GTK_STATUSBAR(mugdata->statusbar), 0, msg);
g_free(msg);
mug_msg_list_view_move_first(MUG_MSG_LIST_VIEW(mugdata->mlist));
gtk_widget_grab_focus(GTK_WIDGET(mugdata->mlist));
}
if (count == 0) /* nothing found */
mug_query_bar_grab_focus(MUG_QUERY_BAR(bar));
}
static void
on_msg_selected(MugMsgListView* mlist, const char* mpath, MugData* mugdata)
{
mug_msg_view_set_msg(MUG_MSG_VIEW(mugdata->msgview), mpath);
}
static void
on_list_view_error(MugMsgListView* mlist, MugError err, MugData* mugdata)
{
GtkWidget* errdialog;
const char* msg;
switch (err) {
case MUG_ERROR_XAPIAN_NOT_UPTODATE:
msg = "The Xapian Database has the wrong version\n"
"Please run 'mu init'";
break;
case MUG_ERROR_XAPIAN_DIR:
msg = "Cannot find the Xapian database dir\n"
"Please restart mug with --muhome=... pointing\n"
"to your mu home directory";
break;
case MUG_ERROR_QUERY: msg = "Error in query"; break;
default: msg = "Some error occurred"; break;
}
errdialog = gtk_message_dialog_new(GTK_WINDOW(mugdata->win),
GTK_DIALOG_MODAL,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_OK,
"%s",
msg);
gtk_dialog_run(GTK_DIALOG(errdialog));
gtk_widget_destroy(errdialog);
if (err == MUG_ERROR_QUERY)
mug_query_bar_grab_focus(MUG_QUERY_BAR(mugdata->querybar));
}
static GtkWidget*
mug_querybar(void)
{
GtkWidget* querybar;
querybar = mug_query_bar_new();
return querybar;
}
static GtkWidget*
mug_query_area(MugData* mugdata)
{
GtkWidget *queryarea, *paned, *scrolled;
queryarea = gtk_box_new(GTK_ORIENTATION_VERTICAL, 2);
paned = gtk_paned_new(GTK_ORIENTATION_VERTICAL);
mugdata->mlist = mug_msg_list_view_new(mu_runtime_path(MU_RUNTIME_PATH_XAPIANDB));
scrolled = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_container_add(GTK_CONTAINER(scrolled), mugdata->mlist);
gtk_paned_add1(GTK_PANED(paned), scrolled);
mugdata->msgview = mug_msg_view_new();
mug_msg_view_set_note(MUG_MSG_VIEW(mugdata->msgview),
"<h1>Welcome to <i>mug</i>!</h1><hr>"
"<tt>mug</tt> is an experimental UI for <tt>mu</tt>, which will "
"slowly evolve into something useful.<br><br>Enjoy the ride.");
g_signal_connect(G_OBJECT(mugdata->mlist),
"msg-selected",
G_CALLBACK(on_msg_selected),
mugdata);
g_signal_connect(G_OBJECT(mugdata->mlist),
"error-occured",
G_CALLBACK(on_list_view_error),
mugdata);
gtk_paned_add2(GTK_PANED(paned), mugdata->msgview);
mugdata->querybar = mug_querybar();
g_signal_connect(G_OBJECT(mugdata->querybar),
"query-changed",
G_CALLBACK(on_query_changed),
mugdata);
gtk_box_pack_start(GTK_BOX(queryarea), mugdata->querybar, FALSE, FALSE, 2);
gtk_box_pack_start(GTK_BOX(queryarea), paned, TRUE, TRUE, 2);
gtk_widget_show_all(queryarea);
return queryarea;
}
static GtkWidget*
mug_main_area(MugData* mugdata)
{
GtkWidget *mainarea, *w;
mainarea = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 5);
w = mug_shortcuts_bar(mugdata);
gtk_box_pack_start(GTK_BOX(mainarea), w, FALSE, FALSE, 0);
gtk_widget_show(w);
w = mug_query_area(mugdata);
gtk_box_pack_start(GTK_BOX(mainarea), w, TRUE, TRUE, 0);
gtk_widget_show(w);
return mainarea;
}
static GtkWidget*
mug_shell(MugData* mugdata)
{
GtkWidget* vbox;
mugdata->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(mugdata->win), "Mug Mail Search");
vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 2);
mugdata->toolbar = mug_toolbar(mugdata);
gtk_box_pack_start(GTK_BOX(vbox), mugdata->toolbar, FALSE, FALSE, 2);
gtk_box_pack_start(GTK_BOX(vbox), mug_main_area(mugdata), TRUE, TRUE, 2);
mugdata->statusbar = mug_statusbar();
gtk_box_pack_start(GTK_BOX(vbox), mugdata->statusbar, FALSE, FALSE, 2);
gtk_container_add(GTK_CONTAINER(mugdata->win), vbox);
gtk_widget_show_all(vbox);
gtk_window_set_default_size(GTK_WINDOW(mugdata->win), 700, 500);
gtk_window_set_resizable(GTK_WINDOW(mugdata->win), TRUE);
{
gchar* icon;
icon = g_strdup_printf("%s%cmug.svg", MUGDIR, G_DIR_SEPARATOR);
gtk_window_set_icon_from_file(GTK_WINDOW(mugdata->win), icon, NULL);
g_free(icon);
}
return mugdata->win;
}
static gint
on_focus_query_bar(GtkWidget* ignored, GdkEventKey* event, MugData* mugdata)
{
if (event->type == GDK_KEY_RELEASE && event->keyval == GDK_KEY_Escape) {
mug_query_bar_grab_focus(MUG_QUERY_BAR(mugdata->querybar));
return 1;
}
return 0;
}
int
main(int argc, char* argv[])
{
MugData mugdata;
GtkWidget* mugshell;
GOptionContext* octx;
GOptionEntry entries[] = {
{"muhome",
0,
0,
G_OPTION_ARG_FILENAME,
&mugdata.muhome,
"specify an alternative mu directory",
NULL},
{NULL, 0, 0, G_OPTION_ARG_NONE, NULL, NULL, NULL} /* sentinel */
};
gtk_init(&argc, &argv);
octx = g_option_context_new("- mug options");
g_option_context_add_main_entries(octx, entries, "Mug");
memset(&mugdata, 0, sizeof(MugData));
if (!g_option_context_parse(octx, &argc, &argv, NULL)) {
g_option_context_free(octx);
g_printerr("mug: error in options\n");
return 1;
}
g_option_context_free(octx);
mu_runtime_init(mugdata.muhome, "mug", FALSE);
mugshell = mug_shell(&mugdata);
g_signal_connect(G_OBJECT(mugshell), "destroy", G_CALLBACK(gtk_main_quit), NULL);
g_signal_connect(G_OBJECT(mugshell),
"key_release_event",
G_CALLBACK(on_focus_query_bar),
(gpointer)&mugdata);
gtk_widget_show(mugshell);
mug_query_bar_grab_focus(MUG_QUERY_BAR(mugdata.querybar));
gtk_main();
g_free(mugdata.muhome);
mu_runtime_uninit();
return 0;
}
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