/**

* MojoSetup; a portable, flexible installation application.

*

* Please see the file LICENSE.txt in the source's root directory.

*

* This file written by Ryan C. Gordon.

*/

// functionality, like message boxes, that you'd expect to exist in a GUI

// toolkit. In GTK+v1, you'd have to roll all that on your own!

//

// It's easier to implement in that regard, and produces a smaller DLL, but

// it has a million dependencies, so you might need to use a GTK+v1 plugin,

// too, in case they break backwards compatibility.

#if !SUPPORT_GUI_GTKPLUS2

#error Something is wrong in the build system.

#endif

#define BUILDING_EXTERNAL_PLUGIN 1

#include "gui.h"

MOJOGUI_PLUGIN(gtkplus2)

#if !GUI_STATIC_LINK_GTKPLUS2

CREATE_MOJOGUI_ENTRY_POINT(gtkplus2)

#endif

typedef enum

{

PAGE_README,

PAGE_OPTIONS,

} WizardPages;

static WizardPages currentpage = PAGE_INTRO;

static gboolean canfwd = TRUE;

static GtkWidget *gtkwindow = NULL;

static GtkWidget *pagetitle = NULL;

static GtkWidget *notebook = NULL;

static GtkWidget *readme = NULL;

static GtkWidget *cancel = NULL;

static GtkWidget *back = NULL;

static GtkWidget *next = NULL;

static GtkWidget *destination = NULL;

static GtkWidget *progressbar = NULL;

static GtkWidget *progresslabel = NULL;

static volatile enum

{

CLICK_BACK=-1,

CLICK_CANCEL,

CLICK_NEXT,

CLICK_NONE

} click_value = CLICK_NONE;

boolean can_back, boolean can_fwd,

boolean can_cancel)

char *markup = g_markup_printf_escaped(

"<span size='large' weight='bold'>%s</span>",

name);

currentpage = page;

canfwd = can_fwd;

gtk_widget_set_sensitive(back, can_back);

gtk_widget_set_sensitive(next, can_fwd);

assert(click_value == CLICK_NONE);

assert(gtkwindow != NULL);

assert(msgbox == NULL);

{

int retval = 0;

// signals fired under gtk_main_iteration can change click_value.

gtk_main_iteration();

if (click_value == CLICK_CANCEL)

char *title = xstrdup(_("Cancel installation"));

char *text = xstrdup(_("Are you sure you want to cancel installation?"));

click_value = CLICK_NONE;

free(title);

free(text);

} // if

retval = (int) click_value;

click_value = CLICK_NONE;

return retval;

} // wait_event

static int pump_events(void)

{

int retval = (int) CLICK_NONE;

while ( (retval == ((int) CLICK_NONE)) && (gtk_events_pending()) )

retval = wait_event();

return retval;

} // pump_events

{

int retval = CLICK_NONE;

assert(retval < ((int) CLICK_NONE));

return retval;

} // run_wizard

static gboolean signal_delete(GtkWidget *w, GdkEvent *evt, gpointer data)

{

click_value = CLICK_CANCEL;

return TRUE; /* eat event: default handler destroys window! */

} // signal_delete

static void signal_clicked(GtkButton *_button, gpointer data)

{

GtkWidget *button = GTK_WIDGET(_button);

if (button == back)

click_value = CLICK_BACK;

else if (button == cancel)

click_value = CLICK_CANCEL;

click_value = CLICK_NEXT;

else

{

assert(0 && "Unknown click event.");

} // else

} // signal_clicked

static void signal_browse_clicked(GtkButton *_button, gpointer data)

{

NULL,

GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER,

GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,

GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,

NULL);

gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog),

gtk_combo_box_get_active_text(GTK_COMBO_BOX(destination)));

if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT) {

gchar *filename;

gchar *utfname;

filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));

utfname = g_filename_to_utf8(filename, -1, NULL, NULL, NULL);

gtk_combo_box_prepend_text(GTK_COMBO_BOX(destination), utfname);

gtk_combo_box_set_active(GTK_COMBO_BOX(destination), 0);

g_free(utfname);

g_free(filename);

}

// !!! FIXME: should append the package name to the directory they chose?

// !!! FIXME: This is annoying, they might have created the folder

// !!! FIXME: themselves in the dialog.

// !!! FIXME: Could warn when the target directory already contains files?

gtk_widget_destroy(dialog);

} // signal_browse_clicked

static void signal_dest_changed(GtkComboBox *combo, gpointer user_data)

{

// Disable the forward button when the destination entry is blank.

{

gchar *str = gtk_combo_box_get_active_text(combo);

const gboolean filled_in = ((str != NULL) && (*str != '\0'));

g_free(str);

gtk_widget_set_sensitive(next, filled_in);

} // if

} // signal_dest_changed

if (getenv("GNOME_DESKTOP_SESSION_ID") != NULL)

return MOJOGUI_PRIORITY_TRY_FIRST;

return MOJOGUI_PRIORITY_TRY_NORMAL;

} // MojoGui_gtkplus2_priority

static boolean MojoGui_gtkplus2_init(void)

{

int tmpargc = 0;

char *args[] = { NULL, NULL };

char **tmpargv = args;

if (!gtk_init_check(&tmpargc, &tmpargv))

{

return false;

} // if

return true;

} // MojoGui_gtkplus2_init

static void MojoGui_gtkplus2_deinit(void)

{

// !!! FIXME: GTK+ doesn't have a deinit function...it installs a crappy

// !!! FIXME: atexit() function!

} // MojoGui_gtkplus2_deinit

/**

*

* @param defbutton The response ID to use when enter is pressed, or 0

* to leave it up to GTK+.

*/

{

gint retval = 0;

// Modal dialog, this will never be called recursively.

assert(msgbox == NULL);

msgbox = gtk_message_dialog_new(GTK_WINDOW(gtkwindow), GTK_DIALOG_MODAL,

mtype, btype, "%s", title);

gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(msgbox),

"%s", text);

if (defbutton)

gtk_dialog_set_default_response(GTK_DIALOG(msgbox), defbutton);

if (addButtonCallback != NULL)

addButtonCallback(msgbox);

retval = gtk_dialog_run(GTK_DIALOG(msgbox));

gtk_widget_destroy(msgbox);

msgbox = NULL;

return retval;

} // do_msgbox

static void MojoGui_gtkplus2_msgbox(const char *title, const char *text)

{

} // MojoGui_gtkplus2_msgbox

static boolean MojoGui_gtkplus2_promptyn(const char *title, const char *text,

boolean defval)

GTK_BUTTONS_YES_NO,

defval ? GTK_RESPONSE_YES : GTK_RESPONSE_NO,

NULL);

return (rc == GTK_RESPONSE_YES);

} // MojoGui_gtkplus2_promptyn

static void promptynanButtonCallback(GtkWidget *_msgbox)

{

char *always = xstrdup(_("_Always"));

char *never = xstrdup(_("N_ever"));

gtk_dialog_add_buttons(GTK_DIALOG(_msgbox),

GTK_STOCK_YES, GTK_RESPONSE_YES,

GTK_STOCK_NO, GTK_RESPONSE_NO,

always, 1,

never, 0,

NULL);

free(always);

free(never);

} // promptynanButtonCallback

static MojoGuiYNAN MojoGui_gtkplus2_promptynan(const char *title,

const char *text,

boolean defval)

{

const gint rc = do_msgbox(title, text, GTK_MESSAGE_QUESTION,

GTK_BUTTONS_NONE,

defval ? GTK_RESPONSE_YES : GTK_RESPONSE_NO,

promptynanButtonCallback);

switch (rc)

{

case GTK_RESPONSE_YES: return MOJOGUI_YES;

case GTK_RESPONSE_NO: return MOJOGUI_NO;

case 1: return MOJOGUI_ALWAYS;

case 0: return MOJOGUI_NEVER;

} // switch

return MOJOGUI_NO; // just in case.

} // MojoGui_gtkplus2_promptynan

const char *text,

void (*signal_callback)

(GtkButton *button, gpointer data))

return button;

} // create_button

free(pixels);

} // free_splash

static GtkWidget *build_splash(const MojoGuiSplash *splash)

{

GtkWidget *retval = NULL;

GdkPixbuf *pixbuf = NULL;

guchar *rgba = NULL;

const uint32 splashlen = splash->w * splash->h * 4;

if (splash->position == MOJOGUI_SPLASH_NONE)

return NULL;

if ((splash->rgba == NULL) || (splashlen == 0))

return NULL;

memcpy(rgba, splash->rgba, splashlen);

pixbuf = gdk_pixbuf_new_from_data(rgba, GDK_COLORSPACE_RGB, TRUE, 8,

splash->w, splash->h, splash->w * 4,

free_splash, NULL);

if (pixbuf == NULL)

free(rgba);

else

{

retval = gtk_image_new_from_pixbuf(pixbuf);

g_object_unref(pixbuf); // retval adds a ref to pixbuf, so lose our's.

if (retval != NULL)

gtk_widget_show(retval);

} // else

return retval;

} // build_splash

static GtkWidget *create_gtkwindow(const char *title,

const MojoGuiSplash *_splash)

{

GtkWidget *splashbox = NULL;

GtkWidget *window;

GtkWidget *widget;

GtkWidget *box;

currentpage = PAGE_INTRO;

canfwd = TRUE;

window = gtk_window_new(GTK_WINDOW_TOPLEVEL);

gtk_window_set_title(GTK_WINDOW(window), title);

GdkPixbuf *icon = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (),

"system-software-installer",

48, 0, NULL);

if (icon)

gtk_window_set_icon(GTK_WINDOW(window), icon);

assert(splash == NULL);

splash = build_splash(_splash);

if (splash != NULL)

{

// !!! FIXME: MOJOGUI_SPLASH_BACKGROUND?

const MojoGuiSplashPos pos = _splash->position;

if ((pos == MOJOGUI_SPLASH_LEFT) || (pos == MOJOGUI_SPLASH_RIGHT))

{

splashbox = gtk_hbox_new(FALSE, 6);

gtk_widget_show(splashbox);

gtk_container_add(GTK_CONTAINER(window), splashbox);

if (pos == MOJOGUI_SPLASH_LEFT)

gtk_box_pack_start(GTK_BOX(splashbox), splash, FALSE, FALSE, 6);

else

gtk_box_pack_end(GTK_BOX(splashbox), splash, FALSE, FALSE, 6);

} // if

else if ((pos == MOJOGUI_SPLASH_TOP) || (pos == MOJOGUI_SPLASH_BOTTOM))

{

splashbox = gtk_vbox_new(FALSE, 6);

gtk_widget_show(splashbox);

gtk_container_add(GTK_CONTAINER(window), splashbox);

if (pos == MOJOGUI_SPLASH_TOP)

gtk_box_pack_start(GTK_BOX(splashbox), splash, FALSE, FALSE, 6);

else

gtk_box_pack_end(GTK_BOX(splashbox), splash, FALSE, FALSE, 6);

} // else if

} // if

if (splashbox == NULL) // no splash, use the window for the top container.

splashbox = window;

pagetitle = gtk_label_new("");

gtk_widget_show(pagetitle);

notebook = gtk_notebook_new();

gtk_widget_show(notebook);

gtk_widget_set_size_request(notebook,

(gint) (((float) gdk_screen_width()) * 0.3),

(gint) (((float) gdk_screen_height()) * 0.3));

gtk_widget_show(widget);

gtk_box_pack_start(GTK_BOX(box), widget, FALSE, FALSE, 0);

gtk_button_box_set_layout(GTK_BUTTON_BOX (widget), GTK_BUTTONBOX_END);

gtk_button_box_set_child_ipadding(GTK_BUTTON_BOX (widget), 6, 0);

gtk_button_box_set_spacing(GTK_BUTTON_BOX (widget), 6);

cancel = create_button(box, "gtk-cancel", _("Cancel"), signal_clicked);

back = create_button(box, "gtk-go-back", _("Back"), signal_clicked);

next = create_button(box, "gtk-go-forward", _("Next"), signal_clicked);

finish = create_button(box, "gtk-goto-last", _("Finish"), signal_clicked);

// !!! FIXME: intro page.

widget = gtk_vbox_new(FALSE, 0);

gtk_widget_show(widget);

gtk_container_add(GTK_CONTAINER(notebook), widget);

// README/EULA page.

gtk_scrolled_window_set_policy(

GTK_SCROLLED_WINDOW(widget),

GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);

gtk_scrolled_window_set_shadow_type(

GTK_SCROLLED_WINDOW(widget),

GTK_SHADOW_IN);

gtk_widget_show(widget);

gtk_container_add(GTK_CONTAINER(notebook), widget);

readme = gtk_text_view_new();

gtk_widget_show(readme);

gtk_container_add(GTK_CONTAINER(widget), readme);

gtk_text_view_set_editable(GTK_TEXT_VIEW(readme), FALSE);

gtk_text_view_set_left_margin(GTK_TEXT_VIEW(readme), 4);

gtk_text_view_set_right_margin(GTK_TEXT_VIEW(readme), 4);

box = gtk_vbox_new(FALSE, 0);

gtk_widget_show(box);

gtk_container_add(GTK_CONTAINER(notebook), box);

box = gtk_vbox_new(FALSE, 0);

gtk_widget_show(box);

hbox = gtk_hbox_new (FALSE, 6);

gtk_label_set_justify(GTK_LABEL(widget), GTK_JUSTIFY_CENTER);

gtk_label_set_line_wrap(GTK_LABEL(widget), FALSE);

alignment = gtk_alignment_new(0.5, 0.5, 1, 0);

destination = gtk_combo_box_entry_new_text();

gtk_signal_connect(GTK_OBJECT(destination), "changed",

GTK_SIGNAL_FUNC(signal_dest_changed), NULL);

gtk_box_pack_start(GTK_BOX(hbox), alignment, TRUE, TRUE, 0);

browse = create_button(hbox, "gtk-open",

gtk_widget_show_all (hbox);

gtk_box_pack_start(GTK_BOX(box), hbox, FALSE, FALSE, 0);

gtk_container_add(GTK_CONTAINER(notebook), box);

// Progress page

box = gtk_vbox_new(FALSE, 6);

gtk_widget_show(box);

alignment = gtk_alignment_new(0.5, 0.5, 1, 0);

gtk_widget_show(alignment);

progressbar = gtk_progress_bar_new();

gtk_widget_show(progressbar);

gtk_container_add(GTK_CONTAINER(alignment), progressbar);

gtk_box_pack_start(GTK_BOX(box), alignment, FALSE, TRUE, 0);

progresslabel = gtk_label_new("");

gtk_widget_show(progresslabel);

gtk_box_pack_start(GTK_BOX(box), progresslabel, FALSE, TRUE, 0);

gtk_label_set_justify(GTK_LABEL(progresslabel), GTK_JUSTIFY_LEFT);

gtk_label_set_line_wrap(GTK_LABEL(progresslabel), FALSE);

gtk_container_add(GTK_CONTAINER(notebook), box);

widget = gtk_vbox_new(FALSE, 0);

gtk_widget_show(widget);

gtk_container_add(GTK_CONTAINER(notebook), widget);

finallabel = gtk_label_new("");

gtk_widget_show(finallabel);

gtk_box_pack_start(GTK_BOX(widget), finallabel, FALSE, TRUE, 0);

gtk_label_set_justify(GTK_LABEL(finallabel), GTK_JUSTIFY_LEFT);

gtk_signal_connect(GTK_OBJECT(window), "delete-event",

GTK_SIGNAL_FUNC(signal_delete), NULL);

gtk_widget_show(window);

return window;

} // create_gtkwindow

static boolean MojoGui_gtkplus2_start(const char *title,

const MojoGuiSplash *splash)

return (gtkwindow != NULL);

} // MojoGui_gtkplus2_start

static void MojoGui_gtkplus2_stop(void)

{

assert(msgbox == NULL);

if (gtkwindow != NULL)

gtk_widget_destroy(gtkwindow);

gtkwindow = NULL;

pagetitle = NULL;

progresslabel = NULL;

progressbar = NULL;

destination = NULL;

notebook = NULL;

readme = NULL;

cancel = NULL;

back = NULL;

next = NULL;

} // MojoGui_gtkplus2_stop

static int MojoGui_gtkplus2_readme(const char *name, const uint8 *data,

size_t datalen, boolean can_back,

boolean can_fwd)

{

GtkTextBuffer *textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(readme));

gtk_text_buffer_set_text(textbuf, (const gchar *) data, datalen);

} // MojoGui_gtkplus2_readme

static void set_option_tree_sensitivity(MojoGuiSetupOptions *opts, boolean val)

{

if (opts != NULL)

{

gtk_widget_set_sensitive((GtkWidget *) opts->guiopaque, val);

set_option_tree_sensitivity(opts->next_sibling, val);

set_option_tree_sensitivity(opts->child, val && opts->value);

} // if

} // set_option_tree_sensitivity

static void signal_option_toggled(GtkToggleButton *toggle, gpointer data)

{

MojoGuiSetupOptions *opts = (MojoGuiSetupOptions *) data;

const boolean enabled = gtk_toggle_button_get_active(toggle);

opts->value = enabled;

set_option_tree_sensitivity(opts->child, enabled);

} // signal_option_toggled

static GtkWidget *new_option_level(GtkWidget *box)

{

GtkWidget *alignment = gtk_alignment_new(0.0, 0.5, 0, 0);

GtkWidget *retval = gtk_vbox_new(FALSE, 0);

gtk_alignment_set_padding(GTK_ALIGNMENT(alignment), 0, 0, 15, 0);

gtk_widget_show(alignment);

gtk_widget_show(retval);

gtk_container_add(GTK_CONTAINER(alignment), retval);

gtk_box_pack_start(GTK_BOX(box), alignment, TRUE, TRUE, 0);

return retval;

} // new_option_level

// use this to generate a tooltip only as needed.

static GtkTooltips *get_tip(GtkTooltips **_tip)

{

if (*_tip == NULL)

{

GtkTooltips *tip = gtk_tooltips_new();

gtk_tooltips_enable(tip);

*_tip = tip;

} // if

return *_tip;

} // get_tip

static void build_options(MojoGuiSetupOptions *opts, GtkWidget *box,

gboolean sensitive)

{

if (opts != NULL)

{

GtkTooltips *tip = NULL;

GtkWidget *widget = NULL;

if (opts->is_group_parent)

{

MojoGuiSetupOptions *kids = opts->child;

GtkWidget *childbox = NULL;

GtkWidget *alignment = gtk_alignment_new(0.0, 0.5, 0, 0);

gtk_widget_show(alignment);

widget = gtk_label_new(opts->description);

opts->guiopaque = widget;

gtk_widget_set_sensitive(widget, sensitive);

gtk_widget_show(widget);

gtk_label_set_justify(GTK_LABEL(widget), GTK_JUSTIFY_LEFT);

gtk_label_set_line_wrap(GTK_LABEL(widget), FALSE);

gtk_container_add(GTK_CONTAINER(alignment), widget);

gtk_box_pack_start(GTK_BOX(box), alignment, FALSE, TRUE, 0);

if (opts->tooltip != NULL)

gtk_tooltips_set_tip(get_tip(&tip), widget, opts->tooltip, 0);

widget = NULL;

childbox = new_option_level(box);

while (kids)

{

widget = gtk_radio_button_new_with_label_from_widget(

GTK_RADIO_BUTTON(widget),

kids->description);

kids->guiopaque = widget;

gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget),

kids->value);

gtk_widget_set_sensitive(widget, sensitive);

gtk_widget_show(widget);

gtk_box_pack_start(GTK_BOX(childbox), widget, FALSE, TRUE, 0);

gtk_signal_connect(GTK_OBJECT(widget), "toggled",

GTK_SIGNAL_FUNC(signal_option_toggled), kids);

if (kids->tooltip != NULL)

gtk_tooltips_set_tip(get_tip(&tip),widget,kids->tooltip,0);

if (kids->child != NULL)

{

build_options(kids->child, new_option_level(childbox),

sensitive);

} // if

kids = kids->next_sibling;

} // while

} // if

else

{

widget = gtk_check_button_new_with_label(opts->description);

opts->guiopaque = widget;