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/*
 * GTK UI
 *
 * Copyright IBM, Corp. 2012
 *
 * Authors:
 *  Anthony Liguori   <aliguori@us.ibm.com>
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 * See the COPYING file in the top-level directory.
 *
 * Portions from gtk-vnc:
 *
 * GTK VNC Widget
 *
 * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
 * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.0 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
 */

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#define GETTEXT_PACKAGE "qemu"
#define LOCALEDIR "po"

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#ifdef _WIN32
# define _WIN32_WINNT 0x0601 /* needed to get definition of MAPVK_VK_TO_VSC */
#endif

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#include "qemu-common.h"

#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
/* Work around an -Wstrict-prototypes warning in GTK headers */
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wstrict-prototypes"
#endif
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#include <gtk/gtk.h>
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#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
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#pragma GCC diagnostic pop
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#endif


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#include <gdk/gdkkeysyms.h>
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#include <glib/gi18n.h>
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#include <locale.h>
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#include <vte/vte.h>
#include <math.h>

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#include "trace.h"
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#include "ui/console.h"
#include "sysemu/sysemu.h"
#include "qmp-commands.h"
#include "x_keymap.h"
#include "keymaps.h"
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#include "sysemu/char.h"
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#define MAX_VCS 10

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/* Compatibility define to let us build on both Gtk2 and Gtk3 */
#if GTK_CHECK_VERSION(3, 0, 0)
static inline void gdk_drawable_get_size(GdkWindow *w, gint *ww, gint *wh)
{
    *ww = gdk_window_get_width(w);
    *wh = gdk_window_get_height(w);
}
#endif

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#if !GTK_CHECK_VERSION(2, 20, 0)
#define gtk_widget_get_realized(widget) GTK_WIDGET_REALIZED(widget)
#endif

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#ifndef GDK_KEY_0
#define GDK_KEY_0 GDK_0
#define GDK_KEY_1 GDK_1
#define GDK_KEY_2 GDK_2
#define GDK_KEY_f GDK_f
#define GDK_KEY_g GDK_g
#define GDK_KEY_plus GDK_plus
#define GDK_KEY_minus GDK_minus
#endif
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#define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
#define IGNORE_MODIFIER_MASK \
    (GDK_MODIFIER_MASK & ~(GDK_LOCK_MASK | GDK_MOD2_MASK))

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static const int modifier_keycode[] = {
    /* shift, control, alt keys, meta keys, both left & right */
    0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
};

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typedef struct VirtualConsole
{
    GtkWidget *menu_item;
    GtkWidget *terminal;
    GtkWidget *scrolled_window;
    CharDriverState *chr;
    int fd;
} VirtualConsole;

typedef struct GtkDisplayState
{
    GtkWidget *window;

    GtkWidget *menu_bar;

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    GtkAccelGroup *accel_group;

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    GtkWidget *machine_menu_item;
    GtkWidget *machine_menu;
    GtkWidget *pause_item;
    GtkWidget *reset_item;
    GtkWidget *powerdown_item;
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    GtkWidget *quit_item;

    GtkWidget *view_menu_item;
    GtkWidget *view_menu;
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    GtkWidget *full_screen_item;
    GtkWidget *zoom_in_item;
    GtkWidget *zoom_out_item;
    GtkWidget *zoom_fixed_item;
    GtkWidget *zoom_fit_item;
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    GtkWidget *grab_item;
    GtkWidget *grab_on_hover_item;
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    GtkWidget *vga_item;

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    int nb_vcs;
    VirtualConsole vc[MAX_VCS];

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    GtkWidget *show_tabs_item;

    GtkWidget *vbox;
    GtkWidget *notebook;
    GtkWidget *drawing_area;
    cairo_surface_t *surface;
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    pixman_image_t *convert;
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    DisplayChangeListener dcl;
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    DisplaySurface *ds;
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    int button_mask;
    int last_x;
    int last_y;

    double scale_x;
    double scale_y;
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    gboolean full_screen;
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    GdkCursor *null_cursor;
    Notifier mouse_mode_notifier;
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    gboolean free_scale;
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    bool external_pause_update;
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    bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
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} GtkDisplayState;

static GtkDisplayState *global_state;

/** Utility Functions **/

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static bool gd_is_grab_active(GtkDisplayState *s)
{
    return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
}

static bool gd_grab_on_hover(GtkDisplayState *s)
{
    return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
}

static bool gd_on_vga(GtkDisplayState *s)
{
    return gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook)) == 0;
}

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static void gd_update_cursor(GtkDisplayState *s, gboolean override)
{
    GdkWindow *window;
    bool on_vga;

    window = gtk_widget_get_window(GTK_WIDGET(s->drawing_area));

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    on_vga = gd_on_vga(s);
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    if ((override || on_vga) &&
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        (s->full_screen || kbd_mouse_is_absolute() || gd_is_grab_active(s))) {
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        gdk_window_set_cursor(window, s->null_cursor);
    } else {
        gdk_window_set_cursor(window, NULL);
    }
}

static void gd_update_caption(GtkDisplayState *s)
{
    const char *status = "";
    gchar *title;
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    const char *grab = "";
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    bool is_paused = !runstate_is_running();
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    if (gd_is_grab_active(s)) {
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        grab = _(" - Press Ctrl+Alt+G to release grab");
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    }
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    if (is_paused) {
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        status = _(" [Paused]");
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    }
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    s->external_pause_update = true;
    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
                                   is_paused);
    s->external_pause_update = false;
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    if (qemu_name) {
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        title = g_strdup_printf("QEMU (%s)%s%s", qemu_name, status, grab);
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    } else {
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        title = g_strdup_printf("QEMU%s%s", status, grab);
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    }

    gtk_window_set_title(GTK_WINDOW(s->window), title);

    g_free(title);
}

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static void gd_update_windowsize(GtkDisplayState *s)
{
    if (!s->full_screen) {
        GtkRequisition req;
        double sx, sy;

        if (s->free_scale) {
            sx = s->scale_x;
            sy = s->scale_y;

            s->scale_y = 1.0;
            s->scale_x = 1.0;
        } else {
            sx = 1.0;
            sy = 1.0;
        }

        gtk_widget_set_size_request(s->drawing_area,
                                    surface_width(s->ds) * s->scale_x,
                                    surface_height(s->ds) * s->scale_y);
#if GTK_CHECK_VERSION(3, 0, 0)
        gtk_widget_get_preferred_size(s->vbox, NULL, &req);
#else
        gtk_widget_size_request(s->vbox, &req);
#endif

        gtk_window_resize(GTK_WINDOW(s->window),
                          req.width * sx, req.height * sy);
    }
}

static void gd_update_full_redraw(GtkDisplayState *s)
{
    int ww, wh;
    gdk_drawable_get_size(gtk_widget_get_window(s->drawing_area), &ww, &wh);
    gtk_widget_queue_draw_area(s->drawing_area, 0, 0, ww, wh);
}

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static void gtk_release_modifiers(GtkDisplayState *s)
{
    int i, keycode;

    if (!gd_on_vga(s)) {
        return;
    }
    for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
        keycode = modifier_keycode[i];
        if (!s->modifier_pressed[i]) {
            continue;
        }
        if (keycode & SCANCODE_GREY) {
            kbd_put_keycode(SCANCODE_EMUL0);
        }
        kbd_put_keycode(keycode | SCANCODE_UP);
        s->modifier_pressed[i] = false;
    }
}

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/** DisplayState Callbacks **/

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static void gd_update(DisplayChangeListener *dcl,
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                      int x, int y, int w, int h)
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{
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    GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
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    int x1, x2, y1, y2;
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    int mx, my;
    int fbw, fbh;
    int ww, wh;
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    trace_gd_update(x, y, w, h);
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    if (s->convert) {
        pixman_image_composite(PIXMAN_OP_SRC, s->ds->image, NULL, s->convert,
                               x, y, 0, 0, x, y, w, h);
    }

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    x1 = floor(x * s->scale_x);
    y1 = floor(y * s->scale_y);

    x2 = ceil(x * s->scale_x + w * s->scale_x);
    y2 = ceil(y * s->scale_y + h * s->scale_y);

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    fbw = surface_width(s->ds) * s->scale_x;
    fbh = surface_height(s->ds) * s->scale_y;
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    gdk_drawable_get_size(gtk_widget_get_window(s->drawing_area), &ww, &wh);

    mx = my = 0;
    if (ww > fbw) {
        mx = (ww - fbw) / 2;
    }
    if (wh > fbh) {
        my = (wh - fbh) / 2;
    }

    gtk_widget_queue_draw_area(s->drawing_area, mx + x1, my + y1, (x2 - x1), (y2 - y1));
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}

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static void gd_refresh(DisplayChangeListener *dcl)
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{
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    graphic_hw_update(dcl->con);
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}

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#if GTK_CHECK_VERSION(3, 0, 0)
static void gd_mouse_set(DisplayChangeListener *dcl,
                         int x, int y, int visible)
{
    GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
    GdkDisplay *dpy;
    GdkDeviceManager *mgr;
    gint x_root, y_root;

    dpy = gtk_widget_get_display(s->drawing_area);
    mgr = gdk_display_get_device_manager(dpy);
    gdk_window_get_root_coords(gtk_widget_get_window(s->drawing_area),
                               x, y, &x_root, &y_root);
    gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
                    gtk_widget_get_screen(s->drawing_area),
                    x, y);
}
#else
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static void gd_mouse_set(DisplayChangeListener *dcl,
                         int x, int y, int visible)
{
    GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
    gint x_root, y_root;

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    gdk_window_get_root_coords(gtk_widget_get_window(s->drawing_area),
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                               x, y, &x_root, &y_root);
    gdk_display_warp_pointer(gtk_widget_get_display(s->drawing_area),
                             gtk_widget_get_screen(s->drawing_area),
                             x_root, y_root);
}
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#endif
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static void gd_cursor_define(DisplayChangeListener *dcl,
                             QEMUCursor *c)
{
    GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
    GdkPixbuf *pixbuf;
    GdkCursor *cursor;

    pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
                                      GDK_COLORSPACE_RGB, true, 8,
                                      c->width, c->height, c->width * 4,
                                      NULL, NULL);
    cursor = gdk_cursor_new_from_pixbuf(gtk_widget_get_display(s->drawing_area),
                                        pixbuf, c->hot_x, c->hot_y);
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    gdk_window_set_cursor(gtk_widget_get_window(s->drawing_area), cursor);
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    g_object_unref(pixbuf);
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#if !GTK_CHECK_VERSION(3, 0, 0)
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    gdk_cursor_unref(cursor);
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#else
    g_object_unref(cursor);
#endif
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}

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static void gd_switch(DisplayChangeListener *dcl,
                      DisplaySurface *surface)
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{
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    GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
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    bool resized = true;
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    trace_gd_switch(surface_width(surface), surface_height(surface));
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    if (s->surface) {
        cairo_surface_destroy(s->surface);
    }

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    if (s->ds &&
        surface_width(s->ds) == surface_width(surface) &&
        surface_height(s->ds) == surface_height(surface)) {
        resized = false;
    }
    s->ds = surface;
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    if (s->convert) {
        pixman_image_unref(s->convert);
        s->convert = NULL;
    }
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    if (surface->format == PIXMAN_x8r8g8b8) {
        /*
         * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
         *
         * No need to convert, use surface directly.  Should be the
         * common case as this is qemu_default_pixelformat(32) too.
         */
        s->surface = cairo_image_surface_create_for_data
            (surface_data(surface),
             CAIRO_FORMAT_RGB24,
             surface_width(surface),
             surface_height(surface),
             surface_stride(surface));
    } else {
        /* Must convert surface, use pixman to do it. */
        s->convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
                                              surface_width(surface),
                                              surface_height(surface),
                                              NULL, 0);
        s->surface = cairo_image_surface_create_for_data
            ((void *)pixman_image_get_data(s->convert),
             CAIRO_FORMAT_RGB24,
             pixman_image_get_width(s->convert),
             pixman_image_get_height(s->convert),
             pixman_image_get_stride(s->convert));
        pixman_image_composite(PIXMAN_OP_SRC, s->ds->image, NULL, s->convert,
                               0, 0, 0, 0, 0, 0,
                               pixman_image_get_width(s->convert),
                               pixman_image_get_height(s->convert));
    }
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    if (resized) {
        gd_update_windowsize(s);
    } else {
        gd_update_full_redraw(s);
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    }
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}

/** QEMU Events **/

static void gd_change_runstate(void *opaque, int running, RunState state)
{
    GtkDisplayState *s = opaque;

    gd_update_caption(s);
}

static void gd_mouse_mode_change(Notifier *notify, void *data)
{
    gd_update_cursor(container_of(notify, GtkDisplayState, mouse_mode_notifier),
                     FALSE);
}

/** GTK Events **/

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static gboolean gd_window_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
{
    GtkDisplayState *s = opaque;
    gboolean handled = FALSE;

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    if (!gd_is_grab_active(s) ||
        (key->state & IGNORE_MODIFIER_MASK) == HOTKEY_MODIFIERS) {
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        handled = gtk_window_activate_key(GTK_WINDOW(widget), key);
    }
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    if (handled) {
        gtk_release_modifiers(s);
    } else {
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        handled = gtk_window_propagate_key_event(GTK_WINDOW(widget), key);
    }

    return handled;
}

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static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
                                void *opaque)
{
    GtkDisplayState *s = opaque;

    if (!no_quit) {
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        unregister_displaychangelistener(&s->dcl);
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        qmp_quit(NULL);
        return FALSE;
    }

    return TRUE;
}

static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
{
    GtkDisplayState *s = opaque;
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    int mx, my;
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    int ww, wh;
    int fbw, fbh;

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    if (!gtk_widget_get_realized(widget)) {
        return FALSE;
    }

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    fbw = surface_width(s->ds);
    fbh = surface_height(s->ds);
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    gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);

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    if (s->full_screen) {
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        s->scale_x = (double)ww / fbw;
        s->scale_y = (double)wh / fbh;
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    } else if (s->free_scale) {
        double sx, sy;

        sx = (double)ww / fbw;
        sy = (double)wh / fbh;

        s->scale_x = s->scale_y = MIN(sx, sy);
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    }

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    fbw *= s->scale_x;
    fbh *= s->scale_y;

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    mx = my = 0;
    if (ww > fbw) {
        mx = (ww - fbw) / 2;
    }
    if (wh > fbh) {
        my = (wh - fbh) / 2;
    }

    cairo_rectangle(cr, 0, 0, ww, wh);

    /* Optionally cut out the inner area where the pixmap
       will be drawn. This avoids 'flashing' since we're
       not double-buffering. Note we're using the undocumented
       behaviour of drawing the rectangle from right to left
       to cut out the whole */
    cairo_rectangle(cr, mx + fbw, my,
                    -1 * fbw, fbh);
    cairo_fill(cr);

    cairo_scale(cr, s->scale_x, s->scale_y);
    cairo_set_source_surface(cr, s->surface, mx / s->scale_x, my / s->scale_y);
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    cairo_paint(cr);

    return TRUE;
}

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#if !GTK_CHECK_VERSION(3, 0, 0)
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static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
                                void *opaque)
{
    cairo_t *cr;
    gboolean ret;

    cr = gdk_cairo_create(gtk_widget_get_window(widget));
    cairo_rectangle(cr,
                    expose->area.x,
                    expose->area.y,
                    expose->area.width,
                    expose->area.height);
    cairo_clip(cr);

    ret = gd_draw_event(widget, cr, opaque);

    cairo_destroy(cr);

    return ret;
}
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#endif
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static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
                                void *opaque)
{
    GtkDisplayState *s = opaque;
    int dx, dy;
    int x, y;
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    int mx, my;
    int fbh, fbw;
    int ww, wh;

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    fbw = surface_width(s->ds) * s->scale_x;
    fbh = surface_height(s->ds) * s->scale_y;
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    gdk_drawable_get_size(gtk_widget_get_window(s->drawing_area), &ww, &wh);

    mx = my = 0;
    if (ww > fbw) {
        mx = (ww - fbw) / 2;
    }
    if (wh > fbh) {
        my = (wh - fbh) / 2;
    }

    x = (motion->x - mx) / s->scale_x;
    y = (motion->y - my) / s->scale_y;

    if (x < 0 || y < 0 ||
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        x >= surface_width(s->ds) ||
        y >= surface_height(s->ds)) {
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        return TRUE;
    }
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    if (kbd_mouse_is_absolute()) {
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        dx = x * 0x7FFF / (surface_width(s->ds) - 1);
        dy = y * 0x7FFF / (surface_height(s->ds) - 1);
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    } else if (s->last_x == -1 || s->last_y == -1) {
        dx = 0;
        dy = 0;
    } else {
        dx = x - s->last_x;
        dy = y - s->last_y;
    }

    s->last_x = x;
    s->last_y = y;

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    if (kbd_mouse_is_absolute() || gd_is_grab_active(s)) {
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        kbd_mouse_event(dx, dy, 0, s->button_mask);
    }

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    if (!kbd_mouse_is_absolute() && gd_is_grab_active(s)) {
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        GdkScreen *screen = gtk_widget_get_screen(s->drawing_area);
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        int x = (int)motion->x_root;
        int y = (int)motion->y_root;

        /* In relative mode check to see if client pointer hit
         * one of the screen edges, and if so move it back by
         * 200 pixels. This is important because the pointer
         * in the server doesn't correspond 1-for-1, and so
         * may still be only half way across the screen. Without
         * this warp, the server pointer would thus appear to hit
         * an invisible wall */
        if (x == 0) {
            x += 200;
        }
        if (y == 0) {
            y += 200;
        }
        if (x == (gdk_screen_get_width(screen) - 1)) {
            x -= 200;
        }
        if (y == (gdk_screen_get_height(screen) - 1)) {
            y -= 200;
        }

        if (x != (int)motion->x_root || y != (int)motion->y_root) {
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#if GTK_CHECK_VERSION(3, 0, 0)
            GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
            gdk_device_warp(dev, screen, x, y);
#else
            GdkDisplay *display = gtk_widget_get_display(widget);
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            gdk_display_warp_pointer(display, screen, x, y);
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#endif
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            s->last_x = -1;
            s->last_y = -1;
            return FALSE;
        }
    }
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    return TRUE;
}

static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
                                void *opaque)
{
    GtkDisplayState *s = opaque;
    int dx, dy;
    int n;

    if (button->button == 1) {
        n = 0x01;
    } else if (button->button == 2) {
        n = 0x04;
    } else if (button->button == 3) {
        n = 0x02;
    } else {
        n = 0x00;
    }

    if (button->type == GDK_BUTTON_PRESS) {
        s->button_mask |= n;
    } else if (button->type == GDK_BUTTON_RELEASE) {
        s->button_mask &= ~n;
    }

    if (kbd_mouse_is_absolute()) {
696 697
        dx = s->last_x * 0x7FFF / (surface_width(s->ds) - 1);
        dy = s->last_y * 0x7FFF / (surface_height(s->ds) - 1);
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    } else {
        dx = 0;
        dy = 0;
    }

    kbd_mouse_event(dx, dy, 0, s->button_mask);
        
    return TRUE;
}

static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
{
710
    GtkDisplayState *s = opaque;
711
    int gdk_keycode = key->hardware_keycode;
712
    int i;
713

714 715 716 717 718 719 720 721 722
#ifdef _WIN32
    UINT qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
    switch (qemu_keycode) {
    case 103:   /* alt gr */
        qemu_keycode = 56 | SCANCODE_GREY;
        break;
    }
#else
    int qemu_keycode;
723 724 725 726 727 728 729 730 731 732 733 734 735 736

    if (gdk_keycode < 9) {
        qemu_keycode = 0;
    } else if (gdk_keycode < 97) {
        qemu_keycode = gdk_keycode - 8;
    } else if (gdk_keycode < 158) {
        qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
    } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
        qemu_keycode = 0x70;
    } else if (gdk_keycode == 211) { /* backslash */
        qemu_keycode = 0x73;
    } else {
        qemu_keycode = 0;
    }
737
#endif
738

739 740
    trace_gd_key_event(gdk_keycode, qemu_keycode,
                       (key->type == GDK_KEY_PRESS) ? "down" : "up");
741

742 743 744 745 746 747
    for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
        if (qemu_keycode == modifier_keycode[i]) {
            s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
        }
    }

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    if (qemu_keycode & SCANCODE_GREY) {
        kbd_put_keycode(SCANCODE_EMUL0);
    }

    if (key->type == GDK_KEY_PRESS) {
        kbd_put_keycode(qemu_keycode & SCANCODE_KEYCODEMASK);
    } else if (key->type == GDK_KEY_RELEASE) {
        kbd_put_keycode(qemu_keycode | SCANCODE_UP);
    } else {
        g_assert_not_reached();
    }

    return TRUE;
}

/** Window Menu Actions **/

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static void gd_menu_pause(GtkMenuItem *item, void *opaque)
{
    GtkDisplayState *s = opaque;

    if (s->external_pause_update) {
        return;
    }
    if (runstate_is_running()) {
        qmp_stop(NULL);
    } else {
        qmp_cont(NULL);
    }
}

static void gd_menu_reset(GtkMenuItem *item, void *opaque)
{
    qmp_system_reset(NULL);
}

static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
{
    qmp_system_powerdown(NULL);
}

789 790 791 792 793 794 795 796 797 798 799
static void gd_menu_quit(GtkMenuItem *item, void *opaque)
{
    qmp_quit(NULL);
}

static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
{
    GtkDisplayState *s = opaque;

    if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->vga_item))) {
        gtk_notebook_set_current_page(GTK_NOTEBOOK(s->notebook), 0);
800 801 802
    } else {
        int i;

803
        gtk_release_modifiers(s);
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        for (i = 0; i < s->nb_vcs; i++) {
            if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->vc[i].menu_item))) {
                gtk_notebook_set_current_page(GTK_NOTEBOOK(s->notebook), i + 1);
                break;
            }
        }
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    }
}

static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
{
    GtkDisplayState *s = opaque;

    if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
        gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
    } else {
        gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
    }
}

824 825 826 827
static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
{
    GtkDisplayState *s = opaque;

828
    if (!s->full_screen) {
829 830 831 832 833 834 835 836 837 838 839 840 841
        gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
        gtk_widget_set_size_request(s->menu_bar, 0, 0);
        gtk_widget_set_size_request(s->drawing_area, -1, -1);
        gtk_window_fullscreen(GTK_WINDOW(s->window));
        if (gd_on_vga(s)) {
            gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item), TRUE);
        }
        s->full_screen = TRUE;
    } else {
        gtk_window_unfullscreen(GTK_WINDOW(s->window));
        gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
        gtk_widget_set_size_request(s->menu_bar, -1, -1);
        gtk_widget_set_size_request(s->drawing_area,
842 843
                                    surface_width(s->ds),
                                    surface_height(s->ds));
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        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item), FALSE);
        s->full_screen = FALSE;
        s->scale_x = 1.0;
        s->scale_y = 1.0;
    }

    gd_update_cursor(s, FALSE);
}

static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
{
    GtkDisplayState *s = opaque;

    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
                                   FALSE);

    s->scale_x += .25;
    s->scale_y += .25;

863
    gd_update_windowsize(s);
864 865 866 867 868 869 870 871 872 873 874 875 876 877 878
}

static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
{
    GtkDisplayState *s = opaque;

    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
                                   FALSE);

    s->scale_x -= .25;
    s->scale_y -= .25;

    s->scale_x = MAX(s->scale_x, .25);
    s->scale_y = MAX(s->scale_y, .25);

879
    gd_update_windowsize(s);
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}

static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
{
    GtkDisplayState *s = opaque;

    s->scale_x = 1.0;
    s->scale_y = 1.0;

889
    gd_update_windowsize(s);
890 891 892 893 894 895 896 897 898 899
}

static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
{
    GtkDisplayState *s = opaque;

    if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
        s->free_scale = TRUE;
    } else {
        s->free_scale = FALSE;
900 901 902
        s->scale_x = 1.0;
        s->scale_y = 1.0;
        gd_update_windowsize(s);
903 904
    }

905
    gd_update_full_redraw(s);
906 907
}

908 909
static void gd_grab_keyboard(GtkDisplayState *s)
{
910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931
#if GTK_CHECK_VERSION(3, 0, 0)
    GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
    GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
    GList *devices = gdk_device_manager_list_devices(mgr,
                                                     GDK_DEVICE_TYPE_MASTER);
    GList *tmp = devices;
    while (tmp) {
        GdkDevice *dev = tmp->data;
        if (gdk_device_get_source(dev) == GDK_SOURCE_KEYBOARD) {
            gdk_device_grab(dev,
                            gtk_widget_get_window(s->drawing_area),
                            GDK_OWNERSHIP_NONE,
                            FALSE,
                            GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
                            NULL,
                            GDK_CURRENT_TIME);
        }
        tmp = tmp->next;
    }
    g_list_free(devices);
#else
    gdk_keyboard_grab(gtk_widget_get_window(s->drawing_area),
932 933
                      FALSE,
                      GDK_CURRENT_TIME);
934
#endif
935 936 937 938
}

static void gd_ungrab_keyboard(GtkDisplayState *s)
{
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#if GTK_CHECK_VERSION(3, 0, 0)
    GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
    GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
    GList *devices = gdk_device_manager_list_devices(mgr,
                                                     GDK_DEVICE_TYPE_MASTER);
    GList *tmp = devices;
    while (tmp) {
        GdkDevice *dev = tmp->data;
        if (gdk_device_get_source(dev) == GDK_SOURCE_KEYBOARD) {
            gdk_device_ungrab(dev,
                              GDK_CURRENT_TIME);
        }
        tmp = tmp->next;
    }
    g_list_free(devices);
#else
955
    gdk_keyboard_ungrab(GDK_CURRENT_TIME);
956
#endif
957 958
}

959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021
static void gd_grab_pointer(GtkDisplayState *s)
{
#if GTK_CHECK_VERSION(3, 0, 0)
    GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
    GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
    GList *devices = gdk_device_manager_list_devices(mgr,
                                                     GDK_DEVICE_TYPE_MASTER);
    GList *tmp = devices;
    while (tmp) {
        GdkDevice *dev = tmp->data;
        if (gdk_device_get_source(dev) == GDK_SOURCE_MOUSE) {
            gdk_device_grab(dev,
                            gtk_widget_get_window(s->drawing_area),
                            GDK_OWNERSHIP_NONE,
                            FALSE, /* All events to come to our
                                      window directly */
                            GDK_POINTER_MOTION_MASK |
                            GDK_BUTTON_PRESS_MASK |
                            GDK_BUTTON_RELEASE_MASK |
                            GDK_BUTTON_MOTION_MASK |
                            GDK_SCROLL_MASK,
                            s->null_cursor,
                            GDK_CURRENT_TIME);
        }
        tmp = tmp->next;
    }
    g_list_free(devices);
#else
    gdk_pointer_grab(gtk_widget_get_window(s->drawing_area),
                     FALSE, /* All events to come to our window directly */
                     GDK_POINTER_MOTION_MASK |
                     GDK_BUTTON_PRESS_MASK |
                     GDK_BUTTON_RELEASE_MASK |
                     GDK_BUTTON_MOTION_MASK |
                     GDK_SCROLL_MASK,
                     NULL, /* Allow cursor to move over entire desktop */
                     s->null_cursor,
                     GDK_CURRENT_TIME);
#endif
}

static void gd_ungrab_pointer(GtkDisplayState *s)
{
#if GTK_CHECK_VERSION(3, 0, 0)
    GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
    GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
    GList *devices = gdk_device_manager_list_devices(mgr,
                                                     GDK_DEVICE_TYPE_MASTER);
    GList *tmp = devices;
    while (tmp) {
        GdkDevice *dev = tmp->data;
        if (gdk_device_get_source(dev) == GDK_SOURCE_MOUSE) {
            gdk_device_ungrab(dev,
                              GDK_CURRENT_TIME);
        }
        tmp = tmp->next;
    }
    g_list_free(devices);
#else
    gdk_pointer_ungrab(GDK_CURRENT_TIME);
#endif
}

1022 1023 1024 1025 1026 1027
static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
{
    GtkDisplayState *s = opaque;

    if (gd_is_grab_active(s)) {
        gd_grab_keyboard(s);
1028
        gd_grab_pointer(s);
1029 1030
    } else {
        gd_ungrab_keyboard(s);
1031
        gd_ungrab_pointer(s);
1032 1033 1034 1035 1036 1037
    }

    gd_update_caption(s);
    gd_update_cursor(s, FALSE);
}

1038 1039 1040 1041
static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
                           gpointer data)
{
    GtkDisplayState *s = data;
1042
    guint last_page;
1043
    gboolean on_vga;
1044 1045 1046 1047 1048

    if (!gtk_widget_get_realized(s->notebook)) {
        return;
    }

1049 1050 1051 1052 1053 1054
    last_page = gtk_notebook_get_current_page(nb);

    if (last_page) {
        gtk_widget_set_size_request(s->vc[last_page - 1].terminal, -1, -1);
    }

1055 1056 1057 1058 1059
    on_vga = arg2 == 0;

    if (!on_vga) {
        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
                                       FALSE);
1060 1061 1062
    } else if (s->full_screen) {
        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
                                       TRUE);
1063 1064
    }

1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078
    if (arg2 == 0) {
        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->vga_item), TRUE);
    } else {
        VirtualConsole *vc = &s->vc[arg2 - 1];
        VteTerminal *term = VTE_TERMINAL(vc->terminal);
        int width, height;

        width = 80 * vte_terminal_get_char_width(term);
        height = 25 * vte_terminal_get_char_height(term);

        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
        gtk_widget_set_size_request(vc->terminal, width, height);
    }

1079 1080
    gtk_widget_set_sensitive(s->grab_item, on_vga);

1081 1082 1083
    gd_update_cursor(s, TRUE);
}

1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105
static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing, gpointer data)
{
    GtkDisplayState *s = data;

    if (!gd_is_grab_active(s) && gd_grab_on_hover(s)) {
        gd_grab_keyboard(s);
    }

    return TRUE;
}

static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing, gpointer data)
{
    GtkDisplayState *s = data;

    if (!gd_is_grab_active(s) && gd_grab_on_hover(s)) {
        gd_ungrab_keyboard(s);
    }

    return TRUE;
}

1106 1107 1108 1109 1110 1111 1112 1113 1114 1115
static gboolean gd_focus_out_event(GtkWidget *widget,
                                   GdkEventCrossing *crossing, gpointer data)
{
    GtkDisplayState *s = data;

    gtk_release_modifiers(s);

    return TRUE;
}

1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127
/** Virtual Console Callbacks **/

static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
{
    VirtualConsole *vc = chr->opaque;

    return write(vc->fd, buf, len);
}

static int nb_vcs;
static CharDriverState *vcs[MAX_VCS];

1128
static CharDriverState *gd_vc_handler(ChardevVC *unused)
1129 1130 1131 1132 1133
{
    CharDriverState *chr;

    chr = g_malloc0(sizeof(*chr));
    chr->chr_write = gd_vc_chr_write;
1134 1135
    /* defer OPENED events until our vc is fully initialized */
    chr->explicit_be_open = true;
1136 1137 1138 1139 1140 1141

    vcs[nb_vcs++] = chr;

    return chr;
}

1142 1143
void early_gtk_display_init(void)
{
1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162
    register_vc_handler(gd_vc_handler);
}

static gboolean gd_vc_in(GIOChannel *chan, GIOCondition cond, void *opaque)
{
    VirtualConsole *vc = opaque;
    uint8_t buffer[1024];
    ssize_t len;

    len = read(vc->fd, buffer, sizeof(buffer));
    if (len <= 0) {
        return FALSE;
    }

    qemu_chr_be_write(vc->chr, buffer, len);

    return TRUE;
}

1163 1164
static GSList *gd_vc_init(GtkDisplayState *s, VirtualConsole *vc, int index, GSList *group,
                          GtkWidget *view_menu)
1165 1166 1167 1168
{
    const char *label;
    char buffer[32];
    char path[32];
1169
#if VTE_CHECK_VERSION(0, 26, 0)
1170
    VtePty *pty;
1171
#endif
1172 1173 1174
    GIOChannel *chan;
    GtkWidget *scrolled_window;
    GtkAdjustment *vadjustment;
1175
    int master_fd, slave_fd;
1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190

    snprintf(buffer, sizeof(buffer), "vc%d", index);
    snprintf(path, sizeof(path), "<QEMU>/View/VC%d", index);

    vc->chr = vcs[index];

    if (vc->chr->label) {
        label = vc->chr->label;
    } else {
        label = buffer;
    }

    vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, label);
    group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(vc->menu_item), path);
1191
    gtk_accel_map_add_entry(path, GDK_KEY_2 + index, HOTKEY_MODIFIERS);
1192 1193 1194

    vc->terminal = vte_terminal_new();

1195 1196
    master_fd = qemu_openpty_raw(&slave_fd, NULL);
    g_assert(master_fd != -1);
1197

1198
#if VTE_CHECK_VERSION(0, 26, 0)
1199 1200
    pty = vte_pty_new_foreign(master_fd, NULL);
    vte_terminal_set_pty_object(VTE_TERMINAL(vc->terminal), pty);
1201 1202 1203
#else
    vte_terminal_set_pty(VTE_TERMINAL(vc->terminal), master_fd);
#endif
1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224

    vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->terminal), -1);

    vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->terminal));

    scrolled_window = gtk_scrolled_window_new(NULL, vadjustment);
    gtk_container_add(GTK_CONTAINER(scrolled_window), vc->terminal);

    vte_terminal_set_size(VTE_TERMINAL(vc->terminal), 80, 25);

    vc->fd = slave_fd;
    vc->chr->opaque = vc;
    vc->scrolled_window = scrolled_window;

    gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(vc->scrolled_window),
                                   GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);

    gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), scrolled_window, gtk_label_new(label));
    g_signal_connect(vc->menu_item, "activate",
                     G_CALLBACK(gd_menu_switch_vc), s);

1225
    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1226

1227
    qemu_chr_be_generic_open(vc->chr);
1228 1229 1230 1231 1232 1233 1234 1235
    if (vc->chr->init) {
        vc->chr->init(vc->chr);
    }

    chan = g_io_channel_unix_new(vc->fd);
    g_io_add_watch(chan, G_IO_IN, gd_vc_in, vc);

    return group;
1236 1237 1238 1239 1240 1241 1242 1243 1244
}

/** Window Creation **/

static void gd_connect_signals(GtkDisplayState *s)
{
    g_signal_connect(s->show_tabs_item, "activate",
                     G_CALLBACK(gd_menu_show_tabs), s);

1245 1246
    g_signal_connect(s->window, "key-press-event",
                     G_CALLBACK(gd_window_key_event), s);
1247 1248 1249
    g_signal_connect(s->window, "delete-event",
                     G_CALLBACK(gd_window_close), s);

1250 1251 1252 1253
#if GTK_CHECK_VERSION(3, 0, 0)
    g_signal_connect(s->drawing_area, "draw",
                     G_CALLBACK(gd_draw_event), s);
#else
1254 1255
    g_signal_connect(s->drawing_area, "expose-event",
                     G_CALLBACK(gd_expose_event), s);
1256
#endif
1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267
    g_signal_connect(s->drawing_area, "motion-notify-event",
                     G_CALLBACK(gd_motion_event), s);
    g_signal_connect(s->drawing_area, "button-press-event",
                     G_CALLBACK(gd_button_event), s);
    g_signal_connect(s->drawing_area, "button-release-event",
                     G_CALLBACK(gd_button_event), s);
    g_signal_connect(s->drawing_area, "key-press-event",
                     G_CALLBACK(gd_key_event), s);
    g_signal_connect(s->drawing_area, "key-release-event",
                     G_CALLBACK(gd_key_event), s);

1268 1269 1270 1271 1272 1273
    g_signal_connect(s->pause_item, "activate",
                     G_CALLBACK(gd_menu_pause), s);
    g_signal_connect(s->reset_item, "activate",
                     G_CALLBACK(gd_menu_reset), s);
    g_signal_connect(s->powerdown_item, "activate",
                     G_CALLBACK(gd_menu_powerdown), s);
1274 1275
    g_signal_connect(s->quit_item, "activate",
                     G_CALLBACK(gd_menu_quit), s);
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    g_signal_connect(s->full_screen_item, "activate",
                     G_CALLBACK(gd_menu_full_screen), s);
    g_signal_connect(s->zoom_in_item, "activate",
                     G_CALLBACK(gd_menu_zoom_in), s);
    g_signal_connect(s->zoom_out_item, "activate",
                     G_CALLBACK(gd_menu_zoom_out), s);
    g_signal_connect(s->zoom_fixed_item, "activate",
                     G_CALLBACK(gd_menu_zoom_fixed), s);
    g_signal_connect(s->zoom_fit_item, "activate",
                     G_CALLBACK(gd_menu_zoom_fit), s);
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    g_signal_connect(s->vga_item, "activate",
                     G_CALLBACK(gd_menu_switch_vc), s);
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    g_signal_connect(s->grab_item, "activate",
                     G_CALLBACK(gd_menu_grab_input), s);
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    g_signal_connect(s->notebook, "switch-page",
                     G_CALLBACK(gd_change_page), s);
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    g_signal_connect(s->drawing_area, "enter-notify-event",
                     G_CALLBACK(gd_enter_event), s);
    g_signal_connect(s->drawing_area, "leave-notify-event",
                     G_CALLBACK(gd_leave_event), s);
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    g_signal_connect(s->drawing_area, "focus-out-event",
                     G_CALLBACK(gd_focus_out_event), s);
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}

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static GtkWidget *gd_create_menu_machine(GtkDisplayState *s, GtkAccelGroup *accel_group)
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{
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    GtkWidget *machine_menu;
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    GtkWidget *separator;
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    GtkStockItem item;
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    machine_menu = gtk_menu_new();
    gtk_menu_set_accel_group(GTK_MENU(machine_menu), accel_group);
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    s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
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    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
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    separator = gtk_separator_menu_item_new();
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    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
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    s->reset_item = gtk_image_menu_item_new_with_mnemonic(_("_Reset"));
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    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
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    s->powerdown_item = gtk_image_menu_item_new_with_mnemonic(_("Power _Down"));
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    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
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    separator = gtk_separator_menu_item_new();
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    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
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    s->quit_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_QUIT, NULL);
    gtk_stock_lookup(GTK_STOCK_QUIT, &item);
    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
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                                 "<QEMU>/Machine/Quit");
    gtk_accel_map_add_entry("<QEMU>/Machine/Quit", item.keyval, item.modifier);
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    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
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    return machine_menu;
}

static GtkWidget *gd_create_menu_view(GtkDisplayState *s, GtkAccelGroup *accel_group)
{
    GSList *group = NULL;
    GtkWidget *view_menu;
    GtkWidget *separator;
    int i;

    view_menu = gtk_menu_new();
    gtk_menu_set_accel_group(GTK_MENU(view_menu), accel_group);
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    s->full_screen_item =
        gtk_image_menu_item_new_from_stock(GTK_STOCK_FULLSCREEN, NULL);
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    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->full_screen_item),
                                 "<QEMU>/View/Full Screen");
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    gtk_accel_map_add_entry("<QEMU>/View/Full Screen", GDK_KEY_f,
                            HOTKEY_MODIFIERS);
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    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
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    separator = gtk_separator_menu_item_new();
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    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
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    s->zoom_in_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_ZOOM_IN, NULL);
    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
                                 "<QEMU>/View/Zoom In");
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    gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
                            HOTKEY_MODIFIERS);
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    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
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    s->zoom_out_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_ZOOM_OUT, NULL);
    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
                                 "<QEMU>/View/Zoom Out");
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    gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
                            HOTKEY_MODIFIERS);
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    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
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    s->zoom_fixed_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_ZOOM_100, NULL);
    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
                                 "<QEMU>/View/Zoom Fixed");
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    gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
                            HOTKEY_MODIFIERS);
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    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
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    s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
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    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
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    separator = gtk_separator_menu_item_new();
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    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
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    s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
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    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
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    s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
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    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
                                 "<QEMU>/View/Grab Input");
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    gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
                            HOTKEY_MODIFIERS);
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    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
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    separator = gtk_separator_menu_item_new();
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    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
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    s->vga_item = gtk_radio_menu_item_new_with_mnemonic(group, "_VGA");
    group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(s->vga_item));
    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->vga_item),
                                 "<QEMU>/View/VGA");
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    gtk_accel_map_add_entry("<QEMU>/View/VGA", GDK_KEY_1, HOTKEY_MODIFIERS);
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    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->vga_item);
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    for (i = 0; i < nb_vcs; i++) {
        VirtualConsole *vc = &s->vc[i];

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        group = gd_vc_init(s, vc, i, group, view_menu);
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        s->nb_vcs++;
    }

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    separator = gtk_separator_menu_item_new();
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    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
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    s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
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    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
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    return view_menu;
}

static void gd_create_menus(GtkDisplayState *s)
{
    GtkAccelGroup *accel_group;
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    accel_group = gtk_accel_group_new();
    s->machine_menu = gd_create_menu_machine(s, accel_group);
    s->view_menu = gd_create_menu_view(s, accel_group);

    s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
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    gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
                              s->machine_menu);
    gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
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    s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
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    gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
    gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
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    g_object_set_data(G_OBJECT(s->window), "accel_group", accel_group);
    gtk_window_add_accel_group(GTK_WINDOW(s->window), accel_group);
    s->accel_group = accel_group;
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}

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static const DisplayChangeListenerOps dcl_ops = {
    .dpy_name          = "gtk",
    .dpy_gfx_update    = gd_update,
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    .dpy_gfx_switch    = gd_switch,
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    .dpy_refresh       = gd_refresh,
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    .dpy_mouse_set     = gd_mouse_set,
    .dpy_cursor_define = gd_cursor_define,
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};

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Peter Wu committed
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void gtk_display_init(DisplayState *ds, bool full_screen)
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{
    GtkDisplayState *s = g_malloc0(sizeof(*s));
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    char *filename;
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    gtk_init(NULL, NULL);

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    s->dcl.ops = &dcl_ops;
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    s->dcl.con = qemu_console_lookup_by_index(0);
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    s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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#if GTK_CHECK_VERSION(3, 2, 0)
    s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
#else
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    s->vbox = gtk_vbox_new(FALSE, 0);
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#endif
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    s->notebook = gtk_notebook_new();
    s->drawing_area = gtk_drawing_area_new();
    s->menu_bar = gtk_menu_bar_new();

    s->scale_x = 1.0;
    s->scale_y = 1.0;
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    s->free_scale = FALSE;
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    setlocale(LC_ALL, "");
    bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
    textdomain("qemu");

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    s->null_cursor = gdk_cursor_new(GDK_BLANK_CURSOR);

    s->mouse_mode_notifier.notify = gd_mouse_mode_change;
    qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
    qemu_add_vm_change_state_handler(gd_change_runstate, s);

    gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), s->drawing_area, gtk_label_new("VGA"));

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    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
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    if (filename) {
        GError *error = NULL;
        GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
        if (pixbuf) {
            gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
        } else {
            g_error_free(error);
        }
        g_free(filename);
    }

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    gd_create_menus(s);

    gd_connect_signals(s);

    gtk_widget_add_events(s->drawing_area,
                          GDK_POINTER_MOTION_MASK |
                          GDK_BUTTON_PRESS_MASK |
                          GDK_BUTTON_RELEASE_MASK |
                          GDK_BUTTON_MOTION_MASK |
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                          GDK_ENTER_NOTIFY_MASK |
                          GDK_LEAVE_NOTIFY_MASK |
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                          GDK_SCROLL_MASK |
                          GDK_KEY_PRESS_MASK);
    gtk_widget_set_double_buffered(s->drawing_area, FALSE);
    gtk_widget_set_can_focus(s->drawing_area, TRUE);

    gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
    gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);

    gd_update_caption(s);

    gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);

    gtk_container_add(GTK_CONTAINER(s->window), s->vbox);

    gtk_widget_show_all(s->window);

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    if (full_screen) {
        gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
    }

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    register_displaychangelistener(&s->dcl);
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    global_state = s;
}