/*
   Copyright (C) 2001-2006, William Joseph.
   All Rights Reserved.

   This file is part of GtkRadiant.

   GtkRadiant 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 2 of the License, or
   (at your option) any later version.

   GtkRadiant 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 GtkRadiant; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include "dialog.h"

#include <gtk/gtk.h>

#include "button.h"
#include "window.h"

ui::VBox create_dialog_vbox(int spacing, int border)
{
    auto vbox = ui::VBox(FALSE, spacing);
    vbox.show();
    gtk_container_set_border_width(GTK_CONTAINER(vbox), border);
    return vbox;
}

ui::HBox create_dialog_hbox(int spacing, int border)
{
    auto hbox = ui::HBox(FALSE, spacing);
    hbox.show();
    gtk_container_set_border_width(GTK_CONTAINER(hbox), border);
    return hbox;
}

ui::Frame create_dialog_frame(const char *label, ui::Shadow shadow)
{
    auto frame = ui::Frame(label);
    frame.show();
    gtk_frame_set_shadow_type(frame, (GtkShadowType) shadow);
    return frame;
}

ui::Table
create_dialog_table(unsigned int rows, unsigned int columns, unsigned int row_spacing, unsigned int col_spacing,
                    int border)
{
    auto table = ui::Table(rows, columns, FALSE);
    table.show();
    gtk_table_set_row_spacings(table, row_spacing);
    gtk_table_set_col_spacings(table, col_spacing);
    gtk_container_set_border_width(GTK_CONTAINER(table), border);
    return table;
}

ui::Button create_dialog_button(const char *label, GCallback func, gpointer data)
{
    auto button = ui::Button(label);
    button.dimensions(64, -1);
    button.show();
    button.connect("clicked", func, data);
    return button;
}

ui::Window
create_dialog_window(ui::Window parent, const char *title, GCallback func, gpointer data, int default_w, int default_h)
{
    ui::Window window = create_floating_window(title, parent);
    gtk_window_set_default_size(window, default_w, default_h);
    gtk_window_set_position(window, GTK_WIN_POS_CENTER_ON_PARENT);
    window.connect("delete_event", func, data);

    return window;
}

gboolean modal_dialog_button_clicked(ui::Widget widget, ModalDialogButton *button)
{
    button->m_dialog.loop = false;
    button->m_dialog.ret = button->m_value;
    return TRUE;
}

gboolean modal_dialog_delete(ui::Widget widget, GdkEvent *event, ModalDialog *dialog)
{
    dialog->loop = 0;
    dialog->ret = eIDCANCEL;
    return TRUE;
}

EMessageBoxReturn modal_dialog_show(ui::Window window, ModalDialog &dialog)
{
    gtk_grab_add(window);
    window.show();

    dialog.loop = true;
    while (dialog.loop) {
        gtk_main_iteration();
    }

    window.hide();
    gtk_grab_remove(window);

    return dialog.ret;
}

ui::Button create_modal_dialog_button(const char *label, ModalDialogButton &button)
{
    return create_dialog_button(label, G_CALLBACK(modal_dialog_button_clicked), &button);
}

ui::Window
create_modal_dialog_window(ui::Window parent, const char *title, ModalDialog &dialog, int default_w, int default_h)
{
    return create_dialog_window(parent, title, G_CALLBACK(modal_dialog_delete), &dialog, default_w, default_h);
}

ui::Window
create_fixedsize_modal_dialog_window(ui::Window parent, const char *title, ModalDialog &dialog, int width, int height)
{
    auto window = create_modal_dialog_window(parent, title, dialog, width, height);

    gtk_window_set_resizable(window, FALSE);
    gtk_window_set_modal(window, TRUE);
    gtk_window_set_position(window, GTK_WIN_POS_CENTER);

    window_remove_minmax(window);

    //window.dimensions(width, height);
    //gtk_window_set_default_size(window, width, height);
    //gtk_window_resize(window, width, height);
    //GdkGeometry geometry = { width, height, -1, -1, width, height, -1, -1, -1, -1, GDK_GRAVITY_STATIC, };
    //gtk_window_set_geometry_hints(window, window, &geometry, (GdkWindowHints)(GDK_HINT_POS|GDK_HINT_MIN_SIZE|GDK_HINT_BASE_SIZE));

    return window;
}

gboolean dialog_button_ok(ui::Widget widget, ModalDialog *data)
{
    data->loop = false;
    data->ret = eIDOK;
    return TRUE;
}

gboolean dialog_button_cancel(ui::Widget widget, ModalDialog *data)
{
    data->loop = false;
    data->ret = eIDCANCEL;
    return TRUE;
}

gboolean dialog_button_yes(ui::Widget widget, ModalDialog *data)
{
    data->loop = false;
    data->ret = eIDYES;
    return TRUE;
}

gboolean dialog_button_no(ui::Widget widget, ModalDialog *data)
{
    data->loop = false;
    data->ret = eIDNO;
    return TRUE;
}

gboolean dialog_delete_callback(ui::Widget widget, GdkEventAny *event, ModalDialog *data)
{
    widget.hide();
    data->loop = false;
    return TRUE;
}

ui::Window create_simple_modal_dialog_window(const char *title, ModalDialog &dialog, ui::Widget contents)
{
    ui::Window window = create_fixedsize_modal_dialog_window(ui::Window{ui::null}, title, dialog);

    auto vbox1 = create_dialog_vbox(8, 4);
    window.add(vbox1);

    vbox1.add(contents);

    ui::Alignment alignment = ui::Alignment(0.5, 0.0, 0.0, 0.0);
    alignment.show();
    vbox1.pack_start(alignment, FALSE, FALSE, 0);

    auto button = create_dialog_button("OK", G_CALLBACK(dialog_button_ok), &dialog);
    alignment.add(button);

    return window;
}

RadioHBox RadioHBox_new(StringArrayRange names)
{
    auto hbox = ui::HBox(TRUE, 4);
    hbox.show();

    GSList *group = 0;
    auto radio = ui::RadioButton(ui::null);
    for (StringArrayRange::Iterator i = names.first; i != names.last; ++i) {
        radio = ui::RadioButton::from(gtk_radio_button_new_with_label(group, *i));
        radio.show();
        hbox.pack_start(radio, FALSE, FALSE, 0);

        group = gtk_radio_button_get_group(radio);
    }

    return RadioHBox(hbox, radio);
}


PathEntry PathEntry_new()
{
    auto frame = ui::Frame();
    frame.show();
    gtk_frame_set_shadow_type(frame, GTK_SHADOW_IN);

    // path entry
    auto hbox = ui::HBox(FALSE, 0);
    hbox.show();

    auto entry = ui::Entry(ui::New);
    gtk_entry_set_has_frame(entry, FALSE);
    entry.show();
    hbox.pack_start(entry, TRUE, TRUE, 0);

    // browse button
    auto button = ui::Button(ui::New);
    button_set_icon(button, "ellipsis.bmp");
    button.show();
    hbox.pack_end(button, FALSE, FALSE, 0);

    frame.add(hbox);

    return PathEntry(frame, entry, button);
}

void PathEntry_setPath(PathEntry &self, const char *path)
{
    gtk_entry_set_text(self.m_entry, path);
}

typedef ReferenceCaller<PathEntry, void(const char *), PathEntry_setPath> PathEntrySetPathCaller;

void BrowsedPathEntry_clicked(ui::Widget widget, BrowsedPathEntry *self)
{
    self->m_browse(PathEntrySetPathCaller(self->m_entry));
}

BrowsedPathEntry::BrowsedPathEntry(const BrowseCallback &browse) :
        m_entry(PathEntry_new()),
        m_browse(browse)
{
    m_entry.m_button.connect("clicked", G_CALLBACK(BrowsedPathEntry_clicked), this);
}


ui::Label DialogLabel_new(const char *name)
{
    auto label = ui::Label(name);
    label.show();
    gtk_misc_set_alignment(GTK_MISC(label), 1, 0.5);
    gtk_label_set_justify(label, GTK_JUSTIFY_LEFT);

    return label;
}

ui::Table DialogRow_new(const char *name, ui::Widget widget)
{
    auto table = ui::Table(1, 3, TRUE);
    table.show();

    gtk_table_set_col_spacings(table, 4);
    gtk_table_set_row_spacings(table, 0);

    table.attach(DialogLabel_new(name), {0, 1, 0, 1}, {GTK_EXPAND | GTK_FILL, 0});

    table.attach(widget, {1, 3, 0, 1}, {GTK_EXPAND | GTK_FILL, 0});

    return table;
}

void DialogVBox_packRow(ui::Box vbox, ui::Widget row)
{
    vbox.pack_start(row, FALSE, FALSE, 0);
}