Desktop

/* $Id: todo.c,v 1.14 2010/06/06 01:14:11 khorben Exp $ */
static char _copyright[] =
"Copyright (c) 2010 Pierre Pronchery <khorben@defora.org>";
/* This file is part of DeforaOS Desktop Todo */
static char const _license[] =
"This program is free software: you can redistribute it and/or modify\n"
"it under the terms of the GNU General Public License as published by\n"
"the Free Software Foundation, version 3 of the License.\n"
"\n"
"This program is distributed in the hope that it will be useful,\n"
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
"GNU General Public License for more details.\n"
"\n"
"You should have received a copy of the GNU General Public License\n"
"along with this program. If not, see <http://www.gnu.org/licenses/>.\n";
#include <sys/stat.h>
#include <dirent.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <libintl.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <System.h>
#include <Desktop.h>
#include "callbacks.h"
#include "todo.h"
#include "../config.h"
#define _(string) gettext(string)
#define N_(string) (string)
/* Todo */
/* private */
/* types */
struct _Todo
{
GtkWidget * window;
GtkWidget * scrolled;
GtkListStore * store;
GtkListStore * priorities;
GtkWidget * view;
GtkWidget * statusbar;
GtkWidget * about;
};
/* constants */
enum { TD_COL_TASK, TD_COL_DONE, TD_COL_TITLE, TD_COL_START,
TD_COL_DISPLAY_START, TD_COL_END, TD_COL_DISPLAY_END, TD_COL_PRIORITY,
TD_COL_CATEGORY };
#define TD_COL_LAST TD_COL_CATEGORY
#define TD_NUM_COLS (TD_COL_LAST + 1)
static struct
{
int col;
char const * title;
int sort;
GCallback callback;
} _todo_columns[] =
{
{ TD_COL_DONE, N_("Done"), TD_COL_DONE, G_CALLBACK(
on_task_done_toggled) },
{ TD_COL_TITLE, N_("Title"), TD_COL_TITLE, G_CALLBACK(
on_task_title_edited) },
{ TD_COL_DISPLAY_START, N_("Beginning"), TD_COL_START, NULL },
{ TD_COL_DISPLAY_END, N_("Completion"), TD_COL_END, NULL },
{ 0, NULL, 0, NULL }
};
static struct
{
unsigned int priority;
char const * title;
} _todo_priorities[] =
{
{ TODO_PRIORITY_UNKNOWN,N_("Unknown") },
{ TODO_PRIORITY_LOW, N_("Low") },
{ TODO_PRIORITY_MEDIUM, N_("Medium") },
{ TODO_PRIORITY_HIGH, N_("High") },
{ 0, NULL }
};
/* variables */
static char const * _authors[] =
{
"Pierre Pronchery <khorben@defora.org>",
NULL
};
#ifndef EMBEDDED
/* menubar */
static DesktopMenu _file_menu[] =
{
{ N_("_New"), G_CALLBACK(on_file_new), GTK_STOCK_NEW, GDK_CONTROL_MASK,
GDK_N },
{ N_("_Edit"), G_CALLBACK(on_file_edit), GTK_STOCK_EDIT,
GDK_CONTROL_MASK, GDK_E },
{ "", NULL, NULL, 0, 0 },
{ N_("_Close"), G_CALLBACK(on_file_close), GTK_STOCK_CLOSE,
GDK_CONTROL_MASK, GDK_W },
{ NULL, NULL, NULL, 0, 0 }
};
static DesktopMenu _edit_menu[] =
{
#if GTK_CHECK_VERSION(2, 10, 0)
{ N_("_Select all"), G_CALLBACK(on_edit_select_all),
GTK_STOCK_SELECT_ALL,
#else
{ N_("_Select all"), G_CALLBACK(on_edit_select_all), "edit-select-all",
#endif
GDK_CONTROL_MASK, GDK_A },
{ "", NULL, NULL, 0, 0 },
{ N_("_Delete"), G_CALLBACK(on_edit_delete), GTK_STOCK_DELETE, 0, 0 },
{ "", NULL, NULL, 0, 0 },
{ N_("_Preferences"), G_CALLBACK(on_edit_preferences),
GTK_STOCK_PREFERENCES, GDK_CONTROL_MASK, GDK_P },
{ NULL, NULL, NULL, 0, 0 }
};
static DesktopMenu _help_menu[] =
{
#if GTK_CHECK_VERSION(2, 6, 0)
{ N_("_About"), G_CALLBACK(on_help_about), GTK_STOCK_ABOUT, 0, 0 },
#else
{ N_("_About"), G_CALLBACK(on_help_about), NULL, 0, 0 },
#endif
{ NULL, NULL, NULL, 0, 0 }
};
static DesktopMenubar _menubar[] =
{
{ N_("_File"), _file_menu },
{ N_("_Edit"), _edit_menu },
{ N_("_Help"), _help_menu },
{ NULL, NULL },
};
#endif
/* toolbar */
static DesktopToolbar _toolbar[] =
{
{ N_("New task"), G_CALLBACK(on_new), GTK_STOCK_NEW, 0, 0, NULL },
{ N_("Edit task"), G_CALLBACK(on_edit), GTK_STOCK_EDIT, 0, 0, NULL },
{ "", NULL, NULL, 0, 0, NULL },
#if GTK_CHECK_VERSION(2, 10, 0)
{ N_("Select all"), G_CALLBACK(on_select_all), GTK_STOCK_SELECT_ALL, 0,
0, NULL },
#else
{ N_("Select all"), G_CALLBACK(on_select_all), "edit-select-all", 0, 0,
NULL },
#endif
{ N_("Delete task"), G_CALLBACK(on_delete), GTK_STOCK_DELETE, 0, 0,
NULL },
#ifdef EMBEDDED
{ "", NULL, NULL, 0, 0, NULL },
{ N_("Preferences"), G_CALLBACK(on_preferences), GTK_STOCK_PREFERENCES,
0, 0, NULL },
#endif
{ NULL, NULL, NULL, 0, 0, NULL }
};
/* prototypes */
static char * _todo_task_get_directory(void);
static char * _todo_task_get_filename(char const * filename);
static char * _todo_task_get_new_filename(void);
static void _todo_task_save(Todo * todo, GtkTreeIter * iter);
/* public */
/* functions */
/* todo_new */
static void _new_view(Todo * todo);
static gboolean _new_idle(gpointer data);
Todo * todo_new(void)
{
Todo * todo;
GtkAccelGroup * group;
GtkWidget * vbox;
GtkWidget * widget;
if((todo = malloc(sizeof(*todo))) == NULL)
{
error_set_code(1, "%s", strerror(errno));
return NULL;
}
/* main window */
group = gtk_accel_group_new();
todo->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_add_accel_group(GTK_WINDOW(todo->window), group);
gtk_window_set_default_size(GTK_WINDOW(todo->window), 300, 400);
gtk_window_set_icon_name(GTK_WINDOW(todo->window), "stock_todo");
gtk_window_set_title(GTK_WINDOW(todo->window), _("Todo"));
g_signal_connect_swapped(G_OBJECT(todo->window), "delete-event",
G_CALLBACK(on_closex), todo);
vbox = gtk_vbox_new(FALSE, 0);
#ifndef EMBEDDED
/* menubar */
widget = desktop_menubar_create(_menubar, todo, group);
gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, TRUE, 0);
#endif
/* toolbar */
widget = desktop_toolbar_create(_toolbar, todo, group);
gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, TRUE, 0);
/* view */
todo->scrolled = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(todo->scrolled),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
_new_view(todo);
gtk_box_pack_start(GTK_BOX(vbox), todo->scrolled, TRUE, TRUE, 0);
/* statusbar */
todo->statusbar = gtk_statusbar_new();
gtk_box_pack_start(GTK_BOX(vbox), todo->statusbar, FALSE, TRUE, 0);
todo->about = NULL;
gtk_container_add(GTK_CONTAINER(todo->window), vbox);
gtk_widget_show_all(todo->window);
g_idle_add(_new_idle, todo);
return todo;
}
static void _new_view(Todo * todo)
{
size_t i;
GtkTreeIter iter;
GtkTreeSelection * sel;
GtkCellRenderer * renderer;
GtkTreeViewColumn * column;
todo->store = gtk_list_store_new(TD_NUM_COLS,
G_TYPE_POINTER, /* task */
G_TYPE_BOOLEAN, /* done */
G_TYPE_STRING, /* title */
G_TYPE_UINT, /* start */
G_TYPE_STRING, /* display start */
G_TYPE_UINT, /* end */
G_TYPE_STRING, /* display end */
G_TYPE_STRING, /* priority */
G_TYPE_STRING); /* category */
todo->priorities = gtk_list_store_new(2, G_TYPE_UINT, G_TYPE_STRING);
for(i = 0; _todo_priorities[i].title != NULL; i++)
{
gtk_list_store_append(todo->priorities, &iter);
gtk_list_store_set(todo->priorities, &iter,
0, _todo_priorities[i].priority,
1, _todo_priorities[i].title, -1);
}
todo->view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(todo->store));
if((sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(todo->view)))
!= NULL)
gtk_tree_selection_set_mode(sel, GTK_SELECTION_MULTIPLE);
/* done column */
renderer = gtk_cell_renderer_toggle_new();
g_signal_connect(G_OBJECT(renderer), "toggled", G_CALLBACK(
_todo_columns[0].callback), todo);
column = gtk_tree_view_column_new_with_attributes(
_(_todo_columns[0].title), renderer, "active",
_todo_columns[0].col, NULL);
gtk_tree_view_column_set_sizing(GTK_TREE_VIEW_COLUMN(column),
GTK_TREE_VIEW_COLUMN_FIXED);
gtk_tree_view_column_set_fixed_width(GTK_TREE_VIEW_COLUMN(column), 50);
gtk_tree_view_column_set_sort_column_id(column, TD_COL_DONE);
gtk_tree_view_append_column(GTK_TREE_VIEW(todo->view), column);
/* other columns */
for(i = 1; _todo_columns[i].title != NULL; i++)
{
renderer = gtk_cell_renderer_text_new();
if(_todo_columns[i].callback != NULL)
{
g_object_set(G_OBJECT(renderer), "editable", TRUE,
NULL);
g_signal_connect(G_OBJECT(renderer), "edited",
G_CALLBACK(_todo_columns[i].callback),
todo);
}
column = gtk_tree_view_column_new_with_attributes(
_(_todo_columns[i].title), renderer, "text",
_todo_columns[i].col, NULL);
gtk_tree_view_column_set_sort_column_id(column,
_todo_columns[i].sort);
gtk_tree_view_append_column(GTK_TREE_VIEW(todo->view), column);
}
/* priority column */
renderer = gtk_cell_renderer_combo_new();
g_object_set(renderer, "model", todo->priorities,
"text-column", 1,
"editable", TRUE, NULL);
g_signal_connect(renderer, "edited", G_CALLBACK(
on_task_priority_edited), todo);
column = gtk_tree_view_column_new_with_attributes(_("Priority"),
renderer, "text", TD_COL_PRIORITY, NULL);
gtk_tree_view_column_set_sort_column_id(column, TD_COL_PRIORITY);
gtk_container_add(GTK_CONTAINER(todo->scrolled), todo->view);
gtk_tree_view_append_column(GTK_TREE_VIEW(todo->view), column);
}
static gboolean _new_idle(gpointer data)
{
Todo * todo = data;
todo_task_reload_all(todo);
return FALSE;
}
/* todo_delete */
void todo_delete(Todo * todo)
{
todo_task_save_all(todo);
todo_task_remove_all(todo);
free(todo);
}
/* useful */
/* todo_about */
void todo_about(Todo * todo)
{
if(todo->about != NULL)
{
gtk_widget_show(todo->about);
return;
}
todo->about = desktop_about_dialog_new();
gtk_window_set_transient_for(GTK_WINDOW(todo->about),
GTK_WINDOW(todo->window));
desktop_about_dialog_set_authors(todo->about, _authors);
desktop_about_dialog_set_copyright(todo->about, _copyright);
desktop_about_dialog_set_logo_icon_name(todo->about, "stock_todo");
desktop_about_dialog_set_license(todo->about, _license);
desktop_about_dialog_set_name(todo->about, PACKAGE);
desktop_about_dialog_set_version(todo->about, VERSION);
gtk_widget_show(todo->about);
}
/* todo_error */
int todo_error(Todo * todo, char const * message, int ret)
{
GtkWidget * dialog;
dialog = gtk_message_dialog_new(GTK_WINDOW(todo->window),
GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s",
#if GTK_CHECK_VERSION(2, 6, 0)
#endif
message);
gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
return ret;
}
/* tasks */
/* todo_task_add */
Task * todo_task_add(Todo * todo, Task * task)
{
GtkTreeIter iter;
char * filename;
if(task == NULL)
{
if((task = task_new()) == NULL)
return NULL;
if((filename = _todo_task_get_new_filename()) == NULL)
{
todo_error(todo, error_get(), 0);
task_delete(task);
return NULL;
}
task_set_filename(task, filename);
free(filename);
task_set_title(task, _("New task"));
}
gtk_list_store_insert(todo->store, &iter, 0);
gtk_list_store_set(todo->store, &iter, TD_COL_TASK, task,
TD_COL_DONE, task_get_done(task) > 0 ? TRUE : FALSE,
TD_COL_TITLE, task_get_title(task),
TD_COL_PRIORITY, task_get_priority(task), -1);
return task;
}
/* todo_task_delete_selected */
static void _task_delete_selected_foreach(GtkTreeRowReference * reference,
Todo * todo);
void todo_task_delete_selected(Todo * todo)
{
GtkTreeSelection * treesel;
GList * selected;
GtkTreeModel * model = GTK_TREE_MODEL(todo->store);
GtkTreeRowReference * reference;
GList * s;
GtkTreePath * path;
if((treesel = gtk_tree_view_get_selection(GTK_TREE_VIEW(todo->view)))
== NULL)
return;
selected = gtk_tree_selection_get_selected_rows(treesel, NULL);
for(s = g_list_first(selected); s != NULL; s = g_list_next(s))
{
if((path = s->data) == NULL)
continue;
reference = gtk_tree_row_reference_new(model, path);
s->data = reference;
gtk_tree_path_free(path);
}
g_list_foreach(selected, (GFunc)_task_delete_selected_foreach, todo);
g_list_free(selected);
}
static void _task_delete_selected_foreach(GtkTreeRowReference * reference,
Todo * todo)
{
GtkTreeModel * model = GTK_TREE_MODEL(todo->store);
GtkTreePath * path;
GtkTreeIter iter;
Task * task;
if(reference == NULL)
return;
if((path = gtk_tree_row_reference_get_path(reference)) == NULL)
return;
if(gtk_tree_model_get_iter(model, &iter, path) == TRUE)
{
gtk_tree_model_get(model, &iter, TD_COL_TASK, &task, -1);
task_unlink(task);
task_delete(task);
}
gtk_list_store_remove(todo->store, &iter);
gtk_tree_path_free(path);
}
/* todo_task_edit */
void todo_task_edit(Todo * todo)
{
/* FIXME implement */
}
/* todo_task_reload_all */
int todo_task_reload_all(Todo * todo)
{
int ret = 0;
char * filename;
DIR * dir;
struct dirent * de;
Task * task;
if((filename = _todo_task_get_directory()) == NULL)
return todo_error(todo, error_get(), 1);
if((dir = opendir(filename)) == NULL)
{
if(errno != ENOENT)
{
error_set("%s: %s", filename, strerror(errno));
ret = todo_error(todo, error_get(), 1);
}
}
else
{
todo_task_remove_all(todo);
while((de = readdir(dir)) != NULL)
{
if(strncmp(de->d_name, "task.", 5) != 0)
continue;
free(filename);
if((filename = _todo_task_get_filename(de->d_name))
== NULL)
continue; /* XXX report error */
if((task = task_new_from_file(filename)) == NULL)
continue; /* XXX report error */
if(todo_task_add(todo, task) == NULL)
{
task_delete(task);
continue; /* XXX report error */
}
}
}
free(filename);
return ret;
}
/* todo_task_remove_all */
void todo_task_remove_all(Todo * todo)
{
GtkTreeModel * model = GTK_TREE_MODEL(todo->store);
GtkTreeIter iter;
gboolean valid;
Task * task;
valid = gtk_tree_model_get_iter_first(model, &iter);
for(; valid == TRUE; valid = gtk_tree_model_iter_next(model, &iter))
{
gtk_tree_model_get(model, &iter, TD_COL_TASK, &task, -1);
task_delete(task);
}
gtk_list_store_clear(todo->store);
}
/* todo_task_save_all */
void todo_task_save_all(Todo * todo)
{
GtkTreeModel * model = GTK_TREE_MODEL(todo->store);
GtkTreeIter iter;
gboolean valid;
valid = gtk_tree_model_get_iter_first(model, &iter);
for(; valid == TRUE; valid = gtk_tree_model_iter_next(model, &iter))
_todo_task_save(todo, &iter);
}
/* todo_task_select_all */
void todo_task_select_all(Todo * todo)
{
GtkTreeSelection * sel;
sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(todo->view));
gtk_tree_selection_select_all(sel);
}
/* todo_task_set_priority */
void todo_task_set_priority(Todo * todo, GtkTreePath * path,
char const * priority)
{
GtkTreeModel * model = GTK_TREE_MODEL(todo->store);
GtkTreeIter iter;
Task * task;
gtk_tree_model_get_iter(model, &iter, path);
gtk_tree_model_get(model, &iter, TD_COL_TASK, &task, -1);
task_set_priority(task, priority);
gtk_list_store_set(todo->store, &iter, TD_COL_PRIORITY, priority, -1);
}
/* todo_task_set_title */
void todo_task_set_title(Todo * todo, GtkTreePath * path, char const * title)
{
GtkTreeModel * model = GTK_TREE_MODEL(todo->store);
GtkTreeIter iter;
Task * task;
gtk_tree_model_get_iter(model, &iter, path);
gtk_tree_model_get(model, &iter, TD_COL_TASK, &task, -1);
task_set_title(task, title);
gtk_list_store_set(todo->store, &iter, TD_COL_TITLE, title, -1);
}
/* todo_task_toggle_done */
void todo_task_toggle_done(Todo * todo, GtkTreePath * path)
{
GtkTreeIter iter;
gboolean done;
gtk_tree_model_get_iter(GTK_TREE_MODEL(todo->store), &iter, path);
gtk_tree_model_get(GTK_TREE_MODEL(todo->store), &iter, TD_COL_DONE,
&done, -1);
done = !done;
gtk_list_store_set(todo->store, &iter, TD_COL_DONE, done, -1);
}
/* private */
/* functions */
/* todo_task_get_directory */
static char * _todo_task_get_directory(void)
{
char const * homedir;
size_t len;
char const directory[] = ".todo";
char * filename;
if((homedir = getenv("HOME")) == NULL)
homedir = g_get_home_dir();
len = strlen(homedir) + 1 + sizeof(directory);
if((filename = malloc(len)) == NULL)
return NULL;
snprintf(filename, len, "%s/%s", homedir, directory);
return filename;
}
/* todo_task_get_filename */
static char * _todo_task_get_filename(char const * filenam)
{
char const * homedir;
int len;
char const directory[] = ".todo";
char * pathname;
if((homedir = getenv("HOME")) == NULL)
homedir = g_get_home_dir();
len = strlen(homedir) + 1 + sizeof(directory) + 1 + strlen(filenam) + 1;
if((pathname = malloc(len)) == NULL)
return NULL;
snprintf(pathname, len, "%s/%s/%s", homedir, directory, filenam);
return pathname;
}
/* todo_task_get_new_filename */
static char * _todo_task_get_new_filename(void)
{
char const * homedir;
int len;
char const directory[] = ".todo";
char template[] = "task.XXXXXX";
char * filename;
int fd;
if((homedir = getenv("HOME")) == NULL)
homedir = g_get_home_dir();
len = strlen(homedir) + 1 + sizeof(directory) + 1 + sizeof(template);
if((filename = malloc(len)) == NULL)
return NULL;
snprintf(filename, len, "%s/%s", homedir, directory);
if((mkdir(filename, 0777) != 0 && errno != EEXIST)
|| snprintf(filename, len, "%s/%s/%s", homedir,
directory, template) >= len
|| (fd = mkstemp(filename)) < 0)
{
error_set("%s: %s", filename, strerror(errno));
free(filename);
return NULL;
}
close(fd);
return filename;
}
/* todo_task_save */
static void _todo_task_save(Todo * todo, GtkTreeIter * iter)
{
GtkTreeModel * model = GTK_TREE_MODEL(todo->store);
Task * task;
gboolean done;
gtk_tree_model_get(model, iter, TD_COL_TASK, &task,
TD_COL_DONE, &done, -1);
task_set_done(task, done);
task_save(task);
}