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Re: [Qemu-devel] [PATCH 2/7] ui: add basic GTK gui (v2)


From: Blue Swirl
Subject: Re: [Qemu-devel] [PATCH 2/7] ui: add basic GTK gui (v2)
Date: Wed, 5 Sep 2012 19:53:07 +0000

On Wed, Sep 5, 2012 at 7:18 PM, Anthony Liguori <address@hidden> wrote:
> This is minimalistic and just contains the basic widget infrastructure.  The 
> GUI
> consists of a menu and a GtkNotebook.  To start with, the notebook has its 
> tabs
> hidden which provides a UI that looks very similar to SDL with the exception 
> of
> the menu bar.
>
> The menu bar allows a user to toggle the visibility of the tabs.  Cairo is 
> used
> for rendering.
>
> I used gtk-vnc as a reference.  gtk-vnc solves the same basic problems as QEMU
> since it was originally written as a remote display for QEMU.  So for the most
> part, the approach to rendering and keyboard handling should be pretty solid 
> for
> GTK.
>
> Signed-off-by: Anthony Liguori <address@hidden>
> ---
> v1 -> v2
>  - add gtk-vnc license
>  - fix key propagation
> ---
>  Makefile         |    2 +
>  configure        |   25 +++-
>  console.h        |    4 +
>  sysemu.h         |    1 +
>  ui/Makefile.objs |    1 +
>  ui/gtk.c         |  572 
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  6 files changed, 604 insertions(+), 1 deletions(-)
>  create mode 100644 ui/gtk.c
>
> diff --git a/Makefile b/Makefile
> index 1cd5bc8..9523e05 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -122,6 +122,8 @@ ui/cocoa.o: ui/cocoa.m
>
>  ui/sdl.o audio/sdlaudio.o ui/sdl_zoom.o hw/baum.o: QEMU_CFLAGS += 
> $(SDL_CFLAGS)
>
> +ui/gtk.o: QEMU_CFLAGS += $(GTK_CFLAGS) $(VTE_CFLAGS)
> +
>  ui/vnc.o: QEMU_CFLAGS += $(VNC_TLS_CFLAGS)
>
>  bt-host.o: QEMU_CFLAGS += $(BLUEZ_CFLAGS)
> diff --git a/configure b/configure
> index d97fd81..586dbd3 100755
> --- a/configure
> +++ b/configure
> @@ -278,7 +278,7 @@ sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
>  # default flags for all hosts
>  QEMU_CFLAGS="-fno-strict-aliasing $QEMU_CFLAGS"
>  QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
> -QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
> +QEMU_CFLAGS="-Wredundant-decls $QEMU_CFLAGS"

Is this intentional? I hope not.

>  QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE 
> $QEMU_CFLAGS"
>  QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/fpu"
>  if test "$debug_info" = "yes"; then
> @@ -1635,6 +1635,23 @@ if test "$sparse" != "no" ; then
>  fi
>
>  ##########################################
> +# GTK probe
> +
> +if test "$gtk" != "no"; then
> +    if $pkg_config gtk+-2.0 --modversion >/dev/null 2>/dev/null && \
> +       $pkg_config vte --modversion >/dev/null 2>/dev/null; then
> +       gtk_cflags=`$pkg_config --cflags gtk+-2.0 2>/dev/null`
> +       gtk_libs=`$pkg_config --libs gtk+-2.0 2>/dev/null`
> +       vte_cflags=`$pkg_config --cflags vte 2>/dev/null`
> +       vte_libs=`$pkg_config --libs vte 2>/dev/null`
> +       libs_softmmu="$gtk_libs $vte_libs $libs_softmmu"
> +       gtk="yes"
> +    else
> +       gtk="no"
> +    fi
> +fi
> +
> +##########################################
>  # SDL probe
>
>  # Look for sdl configuration program (pkg-config or sdl-config).  Try
> @@ -3113,6 +3130,7 @@ if test "$darwin" = "yes" ; then
>      echo "Cocoa support     $cocoa"
>  fi
>  echo "SDL support       $sdl"
> +echo "GTK support       $gtk"
>  echo "curses support    $curses"
>  echo "curl support      $curl"
>  echo "mingw32 support   $mingw32"
> @@ -3390,6 +3408,11 @@ if test "$bluez" = "yes" ; then
>    echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
>  fi
>  echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
> +if test "$gtk" = "yes" ; then
> +  echo "CONFIG_GTK=y" >> $config_host_mak
> +  echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
> +  echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
> +fi
>  if test "$xen" = "yes" ; then
>    echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
>    echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> 
> $config_host_mak
> diff --git a/console.h b/console.h
> index eb428f9..2bd4814 100644
> --- a/console.h
> +++ b/console.h
> @@ -401,4 +401,8 @@ static inline int vnc_display_pw_expire(DisplayState *ds, 
> time_t expires)
>  /* curses.c */
>  void curses_display_init(DisplayState *ds, int full_screen);
>
> +/* gtk.c */
> +void early_gtk_display_init(void);
> +void gtk_display_init(DisplayState *ds);
> +
>  #endif
> diff --git a/sysemu.h b/sysemu.h
> index 65552ac..09a8523 100644
> --- a/sysemu.h
> +++ b/sysemu.h
> @@ -93,6 +93,7 @@ typedef enum DisplayType
>      DT_DEFAULT,
>      DT_CURSES,
>      DT_SDL,
> +    DT_GTK,
>      DT_NOGRAPHIC,
>      DT_NONE,
>  } DisplayType;
> diff --git a/ui/Makefile.objs b/ui/Makefile.objs
> index adc07be..89f8d64 100644
> --- a/ui/Makefile.objs
> +++ b/ui/Makefile.objs
> @@ -12,3 +12,4 @@ common-obj-$(CONFIG_SDL) += sdl.o sdl_zoom.o x_keymap.o
>  common-obj-$(CONFIG_COCOA) += cocoa.o
>  common-obj-$(CONFIG_CURSES) += curses.o
>  common-obj-$(CONFIG_VNC) += $(vnc-obj-y)
> +common-obj-$(CONFIG_GTK) += gtk.o
> diff --git a/ui/gtk.c b/ui/gtk.c
> new file mode 100644
> index 0000000..e724956
> --- /dev/null
> +++ b/ui/gtk.c
> @@ -0,0 +1,572 @@
> +/*
> + * GTK UI
> + *
> + * Copyright IBM, Corp. 2012
> + *
> + * Authors:
> + *  Anthony Liguori   <address@hidden>
> + *
> + * 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 <address@hidden>
> + * Copyright (C) 2009-2010 Daniel P. Berrange <address@hidden>
> + *
> + * 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

Please use the recommended web version like other files.

> + */
> +
> +#include <gtk/gtk.h>
> +#include <gdk/gdkkeysyms.h>
> +#include <vte/vte.h>
> +#include <sys/types.h>
> +#include <sys/socket.h>
> +#include <sys/un.h>
> +#include <sys/wait.h>
> +#include <pty.h>
> +#include <math.h>
> +
> +#include "qemu-common.h"
> +#include "console.h"
> +#include "sysemu.h"
> +#include "qmp-commands.h"
> +#include "x_keymap.h"
> +#include "keymaps.h"
> +
> +//#define DEBUG_GTK
> +
> +#ifdef DEBUG_GTK
> +#define dprintf(fmt, ...) printf(fmt, ## __VA_ARGS__)

dprintf is actually defined by stdio.h. Either rename or #undef first.

> +#else
> +#define dprintf(fmt, ...) do { } while (0)
> +#endif
> +
> +typedef struct VirtualConsole
> +{
> +    GtkWidget *menu_item;
> +    GtkWidget *terminal;
> +    GtkWidget *scrolled_window;
> +    CharDriverState *chr;
> +    int fd;
> +} VirtualConsole;
> +
> +typedef struct GtkDisplayState
> +{
> +    GtkWidget *window;
> +
> +    GtkWidget *menu_bar;
> +
> +    GtkWidget *file_menu_item;
> +    GtkWidget *file_menu;
> +    GtkWidget *quit_item;
> +
> +    GtkWidget *view_menu_item;
> +    GtkWidget *view_menu;
> +    GtkWidget *vga_item;
> +
> +    GtkWidget *show_tabs_item;
> +
> +    GtkWidget *vbox;
> +    GtkWidget *notebook;
> +    GtkWidget *drawing_area;
> +    cairo_surface_t *surface;
> +    DisplayChangeListener dcl;
> +    DisplayState *ds;
> +    int button_mask;
> +    int last_x;
> +    int last_y;
> +
> +    double scale_x;
> +    double scale_y;
> +
> +    GdkCursor *null_cursor;
> +    Notifier mouse_mode_notifier;
> +} GtkDisplayState;
> +
> +static GtkDisplayState *global_state;
> +
> +/** Utility Functions **/
> +
> +static void gd_update_cursor(GtkDisplayState *s, gboolean override)
> +{
> +    GdkWindow *window;
> +    bool on_vga;
> +
> +    window = gtk_widget_get_window(GTK_WIDGET(s->drawing_area));
> +
> +    on_vga = (gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook)) == 0);
> +
> +    if ((override || on_vga) && kbd_mouse_is_absolute()) {
> +        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;
> +
> +    if (!runstate_is_running()) {
> +        status = " [Stopped]";
> +    }
> +
> +    if (qemu_name) {
> +        title = g_strdup_printf("QEMU (%s)%s", qemu_name, status);
> +    } else {
> +        title = g_strdup_printf("QEMU%s", status);
> +    }
> +
> +    gtk_window_set_title(GTK_WINDOW(s->window), title);
> +
> +    g_free(title);
> +}
> +
> +/** DisplayState Callbacks **/
> +
> +static void gd_update(DisplayState *ds, int x, int y, int w, int h)
> +{
> +    GtkDisplayState *s = ds->opaque;
> +    int x1, x2, y1, y2;
> +
> +    dprintf("update(x=%d, y=%d, w=%d, h=%d)\n", x, y, w, h);
> +
> +    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);
> +
> +    gtk_widget_queue_draw_area(s->drawing_area, x1, y1, (x2 - x1), (y2 - 
> y1));
> +}
> +
> +static void gd_refresh(DisplayState *ds)
> +{
> +    vga_hw_update();
> +}
> +
> +static void gd_resize(DisplayState *ds)
> +{
> +    GtkDisplayState *s = ds->opaque;
> +    cairo_format_t kind;
> +    int stride;
> +
> +    dprintf("resize(width=%d, height=%d)\n",
> +            ds->surface->width, ds->surface->height);
> +
> +    if (s->surface) {
> +        cairo_surface_destroy(s->surface);
> +    }
> +
> +    switch (ds->surface->pf.bits_per_pixel) {
> +    case 8:
> +        kind = CAIRO_FORMAT_A8;
> +        break;
> +    case 16:
> +        kind = CAIRO_FORMAT_RGB16_565;
> +        break;
> +    case 32:
> +        kind = CAIRO_FORMAT_RGB24;
> +        break;
> +    default:
> +        g_assert_not_reached();
> +        break;
> +    }
> +
> +    stride = cairo_format_stride_for_width(kind, ds->surface->width);
> +    g_assert_cmpint(ds->surface->linesize, ==, stride);
> +
> +    s->surface = cairo_image_surface_create_for_data(ds->surface->data,
> +                                                     kind,
> +                                                     ds->surface->width,
> +                                                     ds->surface->height,
> +                                                     ds->surface->linesize);
> +
> +    gtk_widget_set_size_request(s->drawing_area,
> +                                ds->surface->width * s->scale_x,
> +                                ds->surface->height * s->scale_y);
> +}
> +
> +/** 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 **/
> +
> +static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
> +                                void *opaque)
> +{
> +    if (!no_quit) {
> +        qmp_quit(NULL);
> +        return FALSE;
> +    }
> +
> +    return TRUE;
> +}
> +
> +static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
> +{
> +    GtkDisplayState *s = opaque;
> +    int ww, wh;
> +    int fbw, fbh;
> +
> +    fbw = s->ds->surface->width;
> +    fbh = s->ds->surface->height;
> +
> +    gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
> +
> +    cairo_rectangle(cr, 0, 0, ww, wh);
> +
> +    if (ww != fbw || wh != fbh) {
> +        s->scale_x = (double)ww / fbw;
> +        s->scale_y = (double)wh / fbh;
> +        cairo_scale(cr, s->scale_x, s->scale_y);
> +    } else {
> +        s->scale_x = 1.0;
> +        s->scale_y = 1.0;
> +    }
> +
> +    cairo_set_source_surface(cr, s->surface, 0, 0);
> +    cairo_paint(cr);
> +
> +    return TRUE;
> +}
> +
> +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;
> +}
> +
> +static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
> +                                void *opaque)
> +{
> +    GtkDisplayState *s = opaque;
> +    int dx, dy;
> +    int x, y;
> +
> +    x = motion->x / s->scale_x;
> +    y = motion->y / s->scale_y;
> +
> +    if (kbd_mouse_is_absolute()) {
> +        dx = x * 0x7FFF / (s->ds->surface->width - 1);
> +        dy = y * 0x7FFF / (s->ds->surface->height - 1);
> +    } 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;
> +
> +    if (kbd_mouse_is_absolute()) {
> +        kbd_mouse_event(dx, dy, 0, s->button_mask);
> +    }
> +
> +    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()) {
> +        dx = s->last_x * 0x7FFF / (s->ds->surface->width - 1);
> +        dy = s->last_y * 0x7FFF / (s->ds->surface->height - 1);
> +    } 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)
> +{
> +    int gdk_keycode;
> +    int qemu_keycode;
> +
> +    gdk_keycode = key->hardware_keycode;
> +
> +    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;
> +    }
> +
> +    dprintf("translated GDK keycode %d to QEMU keycode %d (%s)\n",
> +            gdk_keycode, qemu_keycode,
> +            (key->type == GDK_KEY_PRESS) ? "down" : "up");
> +
> +    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 **/
> +
> +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);
> +    }
> +}
> +
> +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);
> +    }
> +}
> +
> +static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
> +                           gpointer data)
> +{
> +    GtkDisplayState *s = data;
> +
> +    if (!gtk_widget_get_realized(s->notebook)) {
> +        return;
> +    }
> +
> +    gd_update_cursor(s, TRUE);
> +}
> +
> +void early_gtk_display_init(void)
> +{
> +}
> +
> +/** Window Creation **/
> +
> +static void gd_connect_signals(GtkDisplayState *s)
> +{
> +    g_signal_connect(s->show_tabs_item, "activate",
> +                     G_CALLBACK(gd_menu_show_tabs), s);
> +
> +    g_signal_connect(s->window, "delete-event",
> +                     G_CALLBACK(gd_window_close), s);
> +
> +    g_signal_connect(s->drawing_area, "expose-event",
> +                     G_CALLBACK(gd_expose_event), s);
> +    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);
> +
> +    g_signal_connect(s->quit_item, "activate",
> +                     G_CALLBACK(gd_menu_quit), s);
> +    g_signal_connect(s->vga_item, "activate",
> +                     G_CALLBACK(gd_menu_switch_vc), s);
> +    g_signal_connect(s->notebook, "switch-page",
> +                     G_CALLBACK(gd_change_page), s);
> +}
> +
> +static void gd_create_menus(GtkDisplayState *s)
> +{
> +    GtkStockItem item;
> +    GtkAccelGroup *accel_group;
> +    GSList *group = NULL;
> +    GtkWidget *separator;
> +
> +    accel_group = gtk_accel_group_new();
> +    s->file_menu = gtk_menu_new();
> +    gtk_menu_set_accel_group(GTK_MENU(s->file_menu), accel_group);
> +    s->file_menu_item = gtk_menu_item_new_with_mnemonic("_File");
> +
> +    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),
> +                                 "<QEMU>/File/Quit");
> +    gtk_accel_map_add_entry("<QEMU>/File/Quit", item.keyval, item.modifier);
> +
> +    s->view_menu = gtk_menu_new();
> +    gtk_menu_set_accel_group(GTK_MENU(s->view_menu), accel_group);
> +    s->view_menu_item = gtk_menu_item_new_with_mnemonic("_View");
> +
> +    separator = gtk_separator_menu_item_new();
> +    gtk_menu_append(GTK_MENU(s->view_menu), separator);
> +
> +    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");
> +    gtk_accel_map_add_entry("<QEMU>/View/VGA", GDK_KEY_1, GDK_CONTROL_MASK | 
> GDK_MOD1_MASK);
> +    gtk_menu_append(GTK_MENU(s->view_menu), s->vga_item);
> +
> +    separator = gtk_separator_menu_item_new();
> +    gtk_menu_append(GTK_MENU(s->view_menu), separator);
> +
> +    s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic("Show _Tabs");
> +    gtk_menu_append(GTK_MENU(s->view_menu), s->show_tabs_item);
> +
> +    g_object_set_data(G_OBJECT(s->window), "accel_group", accel_group);
> +    gtk_window_add_accel_group(GTK_WINDOW(s->window), accel_group);
> +
> +    gtk_menu_append(GTK_MENU(s->file_menu), s->quit_item);
> +    gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->file_menu_item), 
> s->file_menu);
> +    gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->file_menu_item);
> +
> +    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);
> +}
> +
> +void gtk_display_init(DisplayState *ds)
> +{
> +    GtkDisplayState *s = g_malloc0(sizeof(*s));
> +
> +    gtk_init(NULL, NULL);
> +
> +    ds->opaque = s;
> +    s->ds = ds;
> +    s->dcl.dpy_update = gd_update;
> +    s->dcl.dpy_resize = gd_resize;
> +    s->dcl.dpy_refresh = gd_refresh;
> +    register_displaychangelistener(ds, &s->dcl);
> +
> +    s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
> +    s->vbox = gtk_vbox_new(FALSE, 0);
> +    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;
> +
> +    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"));
> +
> +    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 |
> +                          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);
> +
> +    gtk_window_set_resizable(GTK_WINDOW(s->window), 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);
> +
> +    global_state = s;
> +}
> --
> 1.7.5.4
>
>



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