Desktop
/* $Id: desktopicon.c,v 1.1 2010/01/29 17:34:20 khorben Exp $ */
/* Copyright (c) 2010 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Browser */
/* 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, version 3 of the License.
*
* 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, see <http://www.gnu.org/licenses/>. */
#include <sys/stat.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <unistd.h>
#include <dirent.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <signal.h>
#include <errno.h>
#include <X11/Xlib.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <System.h>
#include "mime.h"
#include "desktopicon.h"
#define PACKAGE "desktop"
#define COMMON_DND
#define COMMON_EXEC
#include "common.c"
/* DesktopIcon */
/* types */
struct _DesktopIcon
{
Desktop * desktop;
char * path;
int isdir;
int isexec;
char const * mimetype;
gboolean immutable; /* cannot be deleted */
gboolean selected;
gboolean updated; /* XXX for desktop refresh */
GtkWidget * window;
GtkWidget * image;
GtkWidget * event;
GtkWidget * label;
};
/* prototypes */
static void _desktopicon_update_transparency(DesktopIcon * desktopicon,
GdkPixbuf * icon);
/* public */
/* functions */
/* desktopicon_new */
/* callbacks */
static gboolean _on_desktopicon_closex(GtkWidget * widget, GdkEvent * event,
gpointer data);
static gboolean _on_icon_button_press(GtkWidget * widget,
GdkEventButton * event, gpointer data);
static gboolean _on_icon_key_press(GtkWidget * widget, GdkEventKey * event,
gpointer data);
static void _on_icon_drag_data_get(GtkWidget * widget, GdkDragContext * context,
GtkSelectionData * seldata, guint info, guint time,
gpointer data);
static void _on_icon_drag_data_received(GtkWidget * widget,
GdkDragContext * context, gint x, gint y,
GtkSelectionData * seldata, guint info, guint time,
gpointer data);
DesktopIcon * desktopicon_new(Desktop * desktop, char const * name,
char const * path)
{
DesktopIcon * desktopicon;
GtkWindow * window;
Mime * mime;
struct stat st;
GdkGeometry geometry;
GtkWidget * vbox;
GtkWidget * eventbox;
GtkTargetEntry targets[] = { { "deforaos_browser_dnd", 0, 0 } };
size_t targets_cnt = sizeof(targets) / sizeof(*targets);
GdkPixbuf * icon = NULL;
char * p;
GtkLabel * label;
if((desktopicon = malloc(sizeof(*desktopicon))) == NULL)
return NULL;
if((desktopicon->path = strdup(path)) == NULL)
{
free(desktopicon);
return NULL;
}
desktopicon->desktop = desktop;
desktopicon->isdir = 0;
desktopicon->isexec = 0;
desktopicon->mimetype = NULL;
desktopicon->immutable = FALSE;
desktopicon->selected = FALSE;
desktopicon->updated = TRUE;
desktopicon->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
window = GTK_WINDOW(desktopicon->window);
gtk_window_set_type_hint(window, GDK_WINDOW_TYPE_HINT_DOCK);
gtk_window_set_resizable(window, FALSE);
gtk_window_set_decorated(window, FALSE);
gtk_window_set_keep_below(window, TRUE);
#if GTK_CHECK_VERSION(2, 6, 0)
gtk_window_set_focus_on_map(window, FALSE);
#endif
g_signal_connect(G_OBJECT(desktopicon->window), "delete-event",
G_CALLBACK(_on_desktopicon_closex), desktopicon);
vbox = gtk_vbox_new(FALSE, 4);
geometry.min_width = DESKTOPICON_MIN_WIDTH;
geometry.min_height = DESKTOPICON_MIN_HEIGHT;
geometry.max_width = DESKTOPICON_MAX_WIDTH;
geometry.max_height = DESKTOPICON_MAX_HEIGHT;
geometry.base_width = DESKTOPICON_MIN_WIDTH;
geometry.base_height = DESKTOPICON_MIN_HEIGHT;
gtk_window_set_geometry_hints(window, vbox, &geometry,
GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE
| GDK_HINT_BASE_SIZE);
/* icon */
if(stat(path, &st) == 0)
{
mime = desktop_get_mime(desktop);
if(S_ISDIR(st.st_mode))
{
desktopicon->isdir = 1;
icon = desktop_get_folder(desktop);
}
else if(st.st_mode & S_IXUSR)
{
desktopicon->isexec = 1;
mime_icons(desktop_get_mime(desktop),
desktop_get_theme(desktop),
"application/x-executable",
DESKTOPICON_ICON_SIZE,
&icon, -1);
}
else if((desktopicon->mimetype = mime_type(mime, path)) != NULL)
mime_icons(mime, desktop_get_theme(desktop),
desktopicon->mimetype,
DESKTOPICON_ICON_SIZE, &icon, -1);
}
if(icon == NULL)
icon = desktop_get_file(desktop);
eventbox = gtk_event_box_new();
gtk_drag_source_set(eventbox, GDK_BUTTON1_MASK, targets, targets_cnt,
GDK_ACTION_COPY | GDK_ACTION_MOVE);
gtk_drag_dest_set(eventbox, GTK_DEST_DEFAULT_ALL, targets, targets_cnt,
GDK_ACTION_COPY | GDK_ACTION_MOVE);
g_signal_connect(G_OBJECT(eventbox), "button-press-event",
G_CALLBACK(_on_icon_button_press), desktopicon);
g_signal_connect(G_OBJECT(eventbox), "key-press-event",
G_CALLBACK(_on_icon_key_press), desktopicon);
g_signal_connect(G_OBJECT(eventbox), "drag-data-get",
G_CALLBACK(_on_icon_drag_data_get), desktopicon);
g_signal_connect(G_OBJECT(eventbox), "drag-data-received",
G_CALLBACK(_on_icon_drag_data_received), desktopicon);
desktopicon->event = eventbox;
desktopicon->image = gtk_image_new_from_pixbuf(icon);
gtk_widget_set_size_request(desktopicon->image, DESKTOPICON_MIN_WIDTH,
DESKTOPICON_ICON_SIZE);
gtk_box_pack_start(GTK_BOX(vbox), desktopicon->image, FALSE, TRUE, 4);
if((p = g_filename_to_utf8(name, -1, NULL, NULL, NULL)) != NULL)
name = p;
desktopicon->label = gtk_label_new(name);
label = GTK_LABEL(desktopicon->label);
gtk_label_set_justify(label, GTK_JUSTIFY_CENTER);
#if GTK_CHECK_VERSION(2, 10, 0)
gtk_label_set_line_wrap_mode(label, PANGO_WRAP_WORD_CHAR);
#endif
gtk_label_set_line_wrap(label, TRUE);
gtk_box_pack_start(GTK_BOX(vbox), desktopicon->label, TRUE, FALSE, 4);
gtk_container_add(GTK_CONTAINER(eventbox), vbox);
gtk_container_add(GTK_CONTAINER(desktopicon->window), eventbox);
_desktopicon_update_transparency(desktopicon, icon);
return desktopicon;
}
/* callbacks */
static gboolean _on_desktopicon_closex(GtkWidget * widget, GdkEvent * event,
gpointer data)
{
DesktopIcon * di = data;
gtk_widget_hide(widget);
desktopicon_delete(di);
return TRUE;
}
/* FIXME some code is duplicated from callbacks.c */
/* types */
static void _popup_directory(GtkWidget * menu, DesktopIcon * desktopicon);
static void _popup_file(GtkWidget * menu, DesktopIcon * desktopicon);
static void _popup_mime(Mime * mime, char const * mimetype, char const * action,
char const * label, GCallback callback, DesktopIcon * icon,
GtkWidget * menu);
/* callbacks */
static void _on_icon_open(gpointer data);
static void _on_icon_edit(gpointer data);
static void _on_icon_run(gpointer data);
static void _on_icon_open_with(gpointer data);
static void _on_icon_delete(gpointer data);
static void _on_icon_properties(gpointer data);
static gboolean _on_icon_button_press(GtkWidget * widget,
GdkEventButton * event, gpointer data)
{
DesktopIcon * desktopicon = data;
GtkWidget * menu;
GtkWidget * menuitem;
if(event->state & GDK_CONTROL_MASK)
desktopicon_set_selected(desktopicon, !desktopicon_get_selected(
desktopicon));
else
{
desktop_unselect_all(desktopicon->desktop);
desktopicon_set_selected(desktopicon, TRUE);
}
if(event->type == GDK_2BUTTON_PRESS && event->button == 1)
{
_on_icon_open(desktopicon);
return FALSE;
}
if(event->type != GDK_BUTTON_PRESS || event->button != 3)
return FALSE;
menu = gtk_menu_new();
if(desktopicon->isdir)
_popup_directory(menu, desktopicon);
else
_popup_file(menu, desktopicon);
if(desktopicon->immutable != TRUE)
{
menuitem = gtk_separator_menu_item_new();
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_DELETE,
NULL);
g_signal_connect_swapped(G_OBJECT(menuitem), "activate",
G_CALLBACK(_on_icon_delete), desktopicon);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
}
menuitem = gtk_separator_menu_item_new();
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
menuitem = gtk_image_menu_item_new_from_stock(
GTK_STOCK_PROPERTIES, NULL);
g_signal_connect_swapped(G_OBJECT(menuitem), "activate", G_CALLBACK(
_on_icon_properties), desktopicon);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
gtk_widget_show_all(menu);
gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
return TRUE;
}
static void _popup_directory(GtkWidget * menu, DesktopIcon * desktopicon)
{
GtkWidget * menuitem;
menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_OPEN, NULL);
g_signal_connect_swapped(G_OBJECT(menuitem), "activate", G_CALLBACK(
_on_icon_open), desktopicon);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
}
static void _popup_file(GtkWidget * menu, DesktopIcon * desktopicon)
{
Mime * mime;
GtkWidget * menuitem;
mime = desktop_get_mime(desktopicon->desktop);
_popup_mime(mime, desktopicon->mimetype, "open", GTK_STOCK_OPEN,
G_CALLBACK(_on_icon_open), desktopicon, menu);
_popup_mime(mime, desktopicon->mimetype, "edit",
#if GTK_CHECK_VERSION(2, 6, 0)
GTK_STOCK_EDIT,
#else
"_Edit",
#endif
G_CALLBACK(_on_icon_edit), desktopicon, menu);
if(desktopicon->isexec)
{
menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_EXECUTE,
NULL);
g_signal_connect_swapped(G_OBJECT(menuitem), "activate",
G_CALLBACK(_on_icon_run), desktopicon);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
}
menuitem = gtk_menu_item_new_with_mnemonic("Open _with...");
g_signal_connect_swapped(G_OBJECT(menuitem), "activate", G_CALLBACK(
_on_icon_open_with), desktopicon);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
}
static void _popup_mime(Mime * mime, char const * mimetype, char const * action,
char const * label, GCallback callback,
DesktopIcon * desktopicon, GtkWidget * menu)
{
GtkWidget * menuitem;
if(mime_get_handler(mime, mimetype, action) == NULL)
return;
if(strncmp(label, "gtk-", 4) == 0)
menuitem = gtk_image_menu_item_new_from_stock(label, NULL);
else
menuitem = gtk_menu_item_new_with_mnemonic(label);
g_signal_connect_swapped(G_OBJECT(menuitem), "activate", callback,
desktopicon);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
}
static void _on_icon_open(gpointer data)
{
DesktopIcon * desktopicon = data;
Mime * mime;
pid_t pid;
if(desktopicon->isdir == 0)
{
mime = desktop_get_mime(desktopicon->desktop);
if(mime != NULL) /* XXX ugly */
if(mime_action(mime, "open", desktopicon->path) != 0)
_on_icon_open_with(desktopicon);
return;
}
if((pid = fork()) == -1)
{
desktop_error(desktopicon->desktop, "fork", 0);
return;
}
if(pid != 0)
return;
execlp("browser", "browser", "--", desktopicon->path, NULL);
fprintf(stderr, "%s%s\n", "desktop: browser: ", strerror(errno));
exit(127);
}
static void _on_icon_edit(gpointer data)
{
DesktopIcon * desktopicon = data;
Mime * mime;
mime = desktop_get_mime(desktopicon->desktop);
mime_action(mime, "edit", desktopicon->path);
}
static void _on_icon_run(gpointer data)
{
DesktopIcon * desktopicon = data;
GtkWidget * dialog;
int res;
pid_t pid;
dialog = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL,
GTK_MESSAGE_WARNING, GTK_BUTTONS_YES_NO, "%s",
"Warning");
gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),
"%s", "Are you sure you want to execute this file?");
gtk_window_set_title(GTK_WINDOW(dialog), "Warning");
res = gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
if(res != GTK_RESPONSE_YES)
return;
if((pid = fork()) == -1)
desktop_error(desktopicon->desktop, "fork", 0);
else if(pid == 0)
{
execl(desktopicon->path, desktopicon->path, NULL);
desktop_error(NULL, desktopicon->path, 0);
exit(127);
}
}
static void _on_icon_open_with(gpointer data)
{
DesktopIcon * desktopicon = data;
GtkWidget * dialog;
char * filename = NULL;
pid_t pid;
dialog = gtk_file_chooser_dialog_new("Open with...",
GTK_WINDOW(desktopicon->window),
GTK_FILE_CHOOSER_ACTION_OPEN, GTK_STOCK_CANCEL,
GTK_RESPONSE_CANCEL, GTK_STOCK_OPEN,
GTK_RESPONSE_ACCEPT, NULL);
if(gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT)
filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(
dialog));
gtk_widget_destroy(dialog);
if(filename == NULL)
return;
if((pid = fork()) == -1)
desktop_error(desktopicon->desktop, "fork", 0);
else if(pid == 0)
{
execlp(filename, filename, desktopicon->path, NULL);
desktop_error(NULL, filename, 0);
exit(127);
}
g_free(filename);
}
static void _on_icon_delete(gpointer data)
{
DesktopIcon * desktopicon = data;
GtkWidget * dialog;
unsigned long cnt = 1; /* FIXME implement */
int res;
GList * selection = NULL;
/* FIXME duplicated from callbacks.c */
dialog = gtk_message_dialog_new(GTK_WINDOW(desktopicon->window),
GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_WARNING, GTK_BUTTONS_YES_NO, "%s",
"Warning");
gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(
dialog), "%s%lu%s",
"Are you sure you want to delete ", cnt, " file(s)?");
gtk_window_set_title(GTK_WINDOW(dialog), "Warning");
res = gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
if(res == GTK_RESPONSE_YES)
{
/* FIXME check if needs UTF-8 conversion */
selection = g_list_append(selection, desktopicon->path);
if(_common_exec("delete", "-ir", selection) != 0)
desktop_error(desktopicon->desktop, "fork", 0);
g_list_free(selection);
}
}
static void _on_icon_properties(gpointer data)
{
DesktopIcon * desktopicon = data;
pid_t pid;
if((pid = fork()) == -1)
{
desktop_error(desktopicon->desktop, "fork", 0);
return;
}
else if(pid != 0)
return;
execlp("properties", "properties", "--", desktopicon->path, NULL);
desktop_error(NULL, "properties", 0);
exit(127);
}
static gboolean _on_icon_key_press(GtkWidget * widget, GdkEventKey * event,
gpointer data)
/* FIXME handle shift and control */
{
DesktopIcon * desktopicon = data;
if(event->type != GDK_KEY_PRESS)
return FALSE;
if(event->keyval == GDK_uparrow)
{
desktop_unselect_all(desktopicon->desktop);
desktop_select_above(desktopicon->desktop, desktopicon);
}
else if(event->keyval == GDK_downarrow)
{
desktop_unselect_all(desktopicon->desktop);
desktop_select_under(desktopicon->desktop, desktopicon);
}
else /* not handling it */
return FALSE;
return TRUE;
}
static void _on_icon_drag_data_get(GtkWidget * widget, GdkDragContext * context,
GtkSelectionData * seldata, guint info, guint time,
gpointer data)
{
DesktopIcon * desktopicon = data;
desktop_get_drag_data(desktopicon->desktop, seldata);
}
static void _on_icon_drag_data_received(GtkWidget * widget,
GdkDragContext * context, gint x, gint y,
GtkSelectionData * seldata, guint info, guint time,
gpointer data)
{
DesktopIcon * desktopicon = data;
if(_common_drag_data_received(context, seldata, desktopicon->path) != 0)
desktop_error(desktopicon->desktop, "fork", 0);
}
/* desktopicon_delete */
void desktopicon_delete(DesktopIcon * desktopicon)
{
free(desktopicon->path);
gtk_widget_destroy(desktopicon->window);
free(desktopicon);
}
/* accessors */
/* desktopicon_get_path */
char const * desktopicon_get_path(DesktopIcon * desktopicon)
{
return desktopicon->path;
}
/* desktopicon_get_selected */
gboolean desktopicon_get_selected(DesktopIcon * desktopicon)
{
return desktopicon->selected;
}
/* desktopicon_get_updated */
gboolean desktopicon_get_updated(DesktopIcon * desktopicon)
{
return desktopicon->updated;
}
/* desktopicon_set_icon */
void desktopicon_set_icon(DesktopIcon * desktopicon, GdkPixbuf * icon)
{
gtk_image_set_from_pixbuf(GTK_IMAGE(desktopicon->image), icon);
_desktopicon_update_transparency(desktopicon, icon);
}
/* desktopicon_set_immutable */
void desktopicon_set_immutable(DesktopIcon * desktopicon, gboolean immutable)
{
desktopicon->immutable = immutable;
}
/* desktopicon_set_selected */
void desktopicon_set_selected(DesktopIcon * desktopicon, gboolean selected)
{
#ifdef DEBUG
fprintf(stderr, "DEBUG: %p is %s\n", desktopicon, selected ? "selected"
: "deselected");
#endif
desktopicon->selected = selected;
gtk_widget_set_state(desktopicon->event, selected
? GTK_STATE_SELECTED : GTK_STATE_NORMAL);
}
/* desktopicon_set_updated */
void desktopicon_set_updated(DesktopIcon * desktopicon, gboolean updated)
{
desktopicon->updated = updated;
}
/* useful */
/* desktopicon_move */
void desktopicon_move(DesktopIcon * desktopicon, int x, int y)
{
gtk_window_move(GTK_WINDOW(desktopicon->window), x, y);
}
/* desktopicon_show */
void desktopicon_show(DesktopIcon * desktopicon)
{
gtk_widget_show_all(desktopicon->window);
}
/* private */
/* desktopicon_update_transparency */
static void _desktopicon_update_transparency(DesktopIcon * desktopicon,
GdkPixbuf * icon)
{
int width;
int height;
int iwidth;
int iheight;
GdkBitmap * mask;
GdkBitmap * iconmask;
GdkGC * gc;
GdkColor black = { 0, 0, 0, 0 };
GdkColor white = { 0xffffffff, 0xffff, 0xffff, 0xffff };
GtkRequisition req;
int offset;
gtk_window_get_size(GTK_WINDOW(desktopicon->window), &width, &height);
iwidth = gdk_pixbuf_get_width(icon);
iheight = gdk_pixbuf_get_height(icon);
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(%s) window is %dx%d\n", __func__,
desktopicon->path, width, height);
#endif
mask = gdk_pixmap_new(NULL, width, height, 1);
gdk_pixbuf_render_pixmap_and_mask(icon, NULL, &iconmask, 255);
gc = gdk_gc_new(mask);
gdk_gc_set_foreground(gc, &black);
gdk_draw_rectangle(mask, gc, TRUE, 0, 0, width, height);
gdk_draw_drawable(mask, gc, iconmask, 0, 0,
(width - iwidth) / 2,
(DESKTOPICON_ICON_SIZE + 8 - iheight) / 2, -1, -1);
gdk_gc_set_foreground(gc, &white);
gtk_widget_size_request(desktopicon->label, &req);
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(%s) label is %dx%d\n", __func__,
desktopicon->path, req.width, req.height);
#endif
offset = DESKTOPICON_ICON_SIZE + 8;
gdk_draw_rectangle(mask, gc, TRUE, (width - req.width - 8) / 2,
offset + ((height - offset - req.height - 8)
/ 2), req.width + 8, req.height + 8);
gtk_widget_shape_combine_mask(desktopicon->window, mask, 0, 0);
g_object_unref(gc);
g_object_unref(iconmask);
g_object_unref(mask);
}