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qemu/ui/gtk.c

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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
*/
#define GETTEXT_PACKAGE "qemu"
#define LOCALEDIR "po"
#include "qemu-common.h"
#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
/* Work around an -Wstrict-prototypes warning in GTK headers */
#pragma GCC diagnostic ignored "-Wstrict-prototypes"
#endif
#include <gtk/gtk.h>
#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
#pragma GCC diagnostic error "-Wstrict-prototypes"
#endif
#include <gdk/gdkkeysyms.h>
#include <glib/gi18n.h>
#include <locale.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 "ui/console.h"
#include "sysemu/sysemu.h"
#include "qmp-commands.h"
#include "x_keymap.h"
#include "keymaps.h"
#include "char/char.h"
//#define DEBUG_GTK
#ifdef DEBUG_GTK
#define DPRINTF(fmt, ...) printf(fmt, ## __VA_ARGS__)
#else
#define DPRINTF(fmt, ...) do { } while (0)
#endif
#define MAX_VCS 10
/* 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
#if !GTK_CHECK_VERSION(2, 20, 0)
#define gtk_widget_get_realized(widget) GTK_WIDGET_REALIZED(widget)
#endif
#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
typedef struct VirtualConsole
{
GtkWidget *menu_item;
GtkWidget *terminal;
GtkWidget *scrolled_window;
CharDriverState *chr;
int fd;
} VirtualConsole;
typedef struct GtkDisplayState
{
GtkWidget *window;
GtkWidget *menu_bar;
GtkAccelGroup *accel_group;
GtkWidget *machine_menu_item;
GtkWidget *machine_menu;
GtkWidget *pause_item;
GtkWidget *reset_item;
GtkWidget *powerdown_item;
GtkWidget *quit_item;
GtkWidget *view_menu_item;
GtkWidget *view_menu;
GtkWidget *full_screen_item;
GtkWidget *zoom_in_item;
GtkWidget *zoom_out_item;
GtkWidget *zoom_fixed_item;
GtkWidget *zoom_fit_item;
GtkWidget *grab_item;
GtkWidget *grab_on_hover_item;
GtkWidget *vga_item;
int nb_vcs;
VirtualConsole vc[MAX_VCS];
GtkWidget *show_tabs_item;
GtkWidget *vbox;
GtkWidget *notebook;
GtkWidget *drawing_area;
cairo_surface_t *surface;
DisplayChangeListener dcl;
DisplaySurface *ds;
int button_mask;
int last_x;
int last_y;
double scale_x;
double scale_y;
gboolean full_screen;
GdkCursor *null_cursor;
Notifier mouse_mode_notifier;
gboolean free_scale;
bool external_pause_update;
} GtkDisplayState;
static GtkDisplayState *global_state;
/** Utility Functions **/
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;
}
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 = gd_on_vga(s);
if ((override || on_vga) &&
(s->full_screen || kbd_mouse_is_absolute() || gd_is_grab_active(s))) {
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;
const char *grab = "";
bool is_paused = !runstate_is_running();
if (gd_is_grab_active(s)) {
grab = " - Press Ctrl+Alt+G to release grab";
}
if (is_paused) {
status = " [Paused]";
}
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;
if (qemu_name) {
title = g_strdup_printf("QEMU (%s)%s%s", qemu_name, status, grab);
} else {
title = g_strdup_printf("QEMU%s%s", status, grab);
}
gtk_window_set_title(GTK_WINDOW(s->window), title);
g_free(title);
}
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);
}
/** DisplayState Callbacks **/
static void gd_update(DisplayChangeListener *dcl,
int x, int y, int w, int h)
{
GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
int x1, x2, y1, y2;
int mx, my;
int fbw, fbh;
int ww, wh;
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);
fbw = surface_width(s->ds) * s->scale_x;
fbh = surface_height(s->ds) * s->scale_y;
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));
}
static void gd_refresh(DisplayChangeListener *dcl)
{
vga_hw_update();
}
static void gd_switch(DisplayChangeListener *dcl,
DisplaySurface *surface)
{
GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
cairo_format_t kind;
bool resized = true;
int stride;
DPRINTF("resize(width=%d, height=%d)\n",
surface_width(surface), surface_height(surface));
if (s->surface) {
cairo_surface_destroy(s->surface);
}
if (s->ds &&
surface_width(s->ds) == surface_width(surface) &&
surface_height(s->ds) == surface_height(surface)) {
resized = false;
}
s->ds = surface;
switch (surface_bits_per_pixel(surface)) {
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, surface_width(surface));
g_assert(surface_stride(surface) == stride);
s->surface = cairo_image_surface_create_for_data(surface_data(surface),
kind,
surface_width(surface),
surface_height(surface),
surface_stride(surface));
if (resized) {
gd_update_windowsize(s);
} else {
gd_update_full_redraw(s);
}
}
/** 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_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
{
GtkDisplayState *s = opaque;
GtkAccelGroupEntry *entries;
guint n_entries = 0;
gboolean propagate_accel = TRUE;
gboolean handled = FALSE;
entries = gtk_accel_group_query(s->accel_group, key->keyval,
key->state, &n_entries);
if (n_entries) {
const char *quark = g_quark_to_string(entries[0].accel_path_quark);
if (gd_is_grab_active(s) && strstart(quark, "<QEMU>/File/", NULL)) {
propagate_accel = FALSE;
}
}
if (!handled && propagate_accel) {
handled = gtk_window_activate_key(GTK_WINDOW(widget), key);
}
if (!handled) {
handled = gtk_window_propagate_key_event(GTK_WINDOW(widget), key);
}
return handled;
}
static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
void *opaque)
{
GtkDisplayState *s = opaque;
if (!no_quit) {
unregister_displaychangelistener(&s->dcl);
qmp_quit(NULL);
return FALSE;
}
return TRUE;
}
static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
{
GtkDisplayState *s = opaque;
int mx, my;
int ww, wh;
int fbw, fbh;
if (!gtk_widget_get_realized(widget)) {
return FALSE;
}
fbw = surface_width(s->ds);
fbh = surface_height(s->ds);
gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
if (s->full_screen) {
s->scale_x = (double)ww / fbw;
s->scale_y = (double)wh / fbh;
} 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);
}
fbw *= s->scale_x;
fbh *= s->scale_y;
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);
cairo_paint(cr);
return TRUE;
}
#if !GTK_CHECK_VERSION(3, 0, 0)
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;
}
#endif
static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
void *opaque)
{
GtkDisplayState *s = opaque;
int dx, dy;
int x, y;
int mx, my;
int fbh, fbw;
int ww, wh;
fbw = surface_width(s->ds) * s->scale_x;
fbh = surface_height(s->ds) * s->scale_y;
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 ||
x >= surface_width(s->ds) ||
y >= surface_height(s->ds)) {
return TRUE;
}
if (kbd_mouse_is_absolute()) {
dx = x * 0x7FFF / (surface_width(s->ds) - 1);
dy = y * 0x7FFF / (surface_height(s->ds) - 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() || gd_is_grab_active(s)) {
kbd_mouse_event(dx, dy, 0, s->button_mask);
}
if (!kbd_mouse_is_absolute() && gd_is_grab_active(s)) {
GdkScreen *screen = gtk_widget_get_screen(s->drawing_area);
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) {
#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);
gdk_display_warp_pointer(display, screen, x, y);
#endif
s->last_x = -1;
s->last_y = -1;
return FALSE;
}
}
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 / (surface_width(s->ds) - 1);
dy = s->last_y * 0x7FFF / (surface_height(s->ds) - 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_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);
}
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);
} else {
int i;
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;
}
}
}
}
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_menu_full_screen(GtkMenuItem *item, void *opaque)
{
GtkDisplayState *s = opaque;
if (!s->full_screen) {
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,
surface_width(s->ds),
surface_height(s->ds));
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;
gd_update_windowsize(s);
}
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);
gd_update_windowsize(s);
}
static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
{
GtkDisplayState *s = opaque;
s->scale_x = 1.0;
s->scale_y = 1.0;
gd_update_windowsize(s);
}
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;
}
gd_update_windowsize(s);
gd_update_full_redraw(s);
}
static void gd_grab_keyboard(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_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),
FALSE,
GDK_CURRENT_TIME);
#endif
}
static void gd_ungrab_keyboard(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_KEYBOARD) {
gdk_device_ungrab(dev,
GDK_CURRENT_TIME);
}
tmp = tmp->next;
}
g_list_free(devices);
#else
gdk_keyboard_ungrab(GDK_CURRENT_TIME);
#endif
}
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
}
static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
{
GtkDisplayState *s = opaque;
if (gd_is_grab_active(s)) {
gd_grab_keyboard(s);
gd_grab_pointer(s);
} else {
gd_ungrab_keyboard(s);
gd_ungrab_pointer(s);
}
gd_update_caption(s);
gd_update_cursor(s, FALSE);
}
static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
gpointer data)
{
GtkDisplayState *s = data;
guint last_page;
gboolean on_vga;
if (!gtk_widget_get_realized(s->notebook)) {
return;
}
last_page = gtk_notebook_get_current_page(nb);
if (last_page) {
gtk_widget_set_size_request(s->vc[last_page - 1].terminal, -1, -1);
}
on_vga = arg2 == 0;
if (!on_vga) {
gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
FALSE);
} else if (s->full_screen) {
gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
TRUE);
}
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);
}
gtk_widget_set_sensitive(s->grab_item, on_vga);
gd_update_cursor(s, TRUE);
}
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;
}
/** 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];
static CharDriverState *gd_vc_handler(ChardevVC *unused)
{
CharDriverState *chr;
chr = g_malloc0(sizeof(*chr));
chr->chr_write = gd_vc_chr_write;
vcs[nb_vcs++] = chr;
return chr;
}
void early_gtk_display_init(void)
{
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;
}
static GSList *gd_vc_init(GtkDisplayState *s, VirtualConsole *vc, int index, GSList *group)
{
const char *label;
char buffer[32];
char path[32];
#if VTE_CHECK_VERSION(0, 26, 0)
VtePty *pty;
#endif
GIOChannel *chan;
GtkWidget *scrolled_window;
GtkAdjustment *vadjustment;
int master_fd, slave_fd, ret;
struct termios tty;
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);
gtk_accel_map_add_entry(path, GDK_KEY_2 + index, GDK_CONTROL_MASK | GDK_MOD1_MASK);
vc->terminal = vte_terminal_new();
ret = openpty(&master_fd, &slave_fd, NULL, NULL, NULL);
g_assert(ret != -1);
/* Set raw attributes on the pty. */
tcgetattr(slave_fd, &tty);
cfmakeraw(&tty);
tcsetattr(slave_fd, TCSAFLUSH, &tty);
#if VTE_CHECK_VERSION(0, 26, 0)
pty = vte_pty_new_foreign(master_fd, NULL);
vte_terminal_set_pty_object(VTE_TERMINAL(vc->terminal), pty);
#else
vte_terminal_set_pty(VTE_TERMINAL(vc->terminal), master_fd);
#endif
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);
gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), vc->menu_item);
qemu_chr_generic_open(vc->chr);
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;
}
/** 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, "key-press-event",
G_CALLBACK(gd_window_key_event), s);
g_signal_connect(s->window, "delete-event",
G_CALLBACK(gd_window_close), s);
#if GTK_CHECK_VERSION(3, 0, 0)
g_signal_connect(s->drawing_area, "draw",
G_CALLBACK(gd_draw_event), s);
#else
g_signal_connect(s->drawing_area, "expose-event",
G_CALLBACK(gd_expose_event), s);
#endif
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->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);
g_signal_connect(s->quit_item, "activate",
G_CALLBACK(gd_menu_quit), s);
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);
g_signal_connect(s->vga_item, "activate",
G_CALLBACK(gd_menu_switch_vc), s);
g_signal_connect(s->grab_item, "activate",
G_CALLBACK(gd_menu_grab_input), s);
g_signal_connect(s->notebook, "switch-page",
G_CALLBACK(gd_change_page), s);
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);
}
static void gd_create_menus(GtkDisplayState *s)
{
GtkStockItem item;
GtkAccelGroup *accel_group;
GSList *group = NULL;
GtkWidget *separator;
int i;
accel_group = gtk_accel_group_new();
s->machine_menu = gtk_menu_new();
gtk_menu_set_accel_group(GTK_MENU(s->machine_menu), accel_group);
s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
gtk_menu_shell_append(GTK_MENU_SHELL(s->machine_menu), s->pause_item);
separator = gtk_separator_menu_item_new();
gtk_menu_shell_append(GTK_MENU_SHELL(s->machine_menu), separator);
s->reset_item = gtk_image_menu_item_new_with_mnemonic(_("_Reset"));
gtk_menu_shell_append(GTK_MENU_SHELL(s->machine_menu), s->reset_item);
s->powerdown_item = gtk_image_menu_item_new_with_mnemonic(_("Power _Down"));
gtk_menu_shell_append(GTK_MENU_SHELL(s->machine_menu), s->powerdown_item);
separator = gtk_separator_menu_item_new();
gtk_menu_shell_append(GTK_MENU_SHELL(s->machine_menu), separator);
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>/Machine/Quit");
gtk_accel_map_add_entry("<QEMU>/Machine/Quit", item.keyval, item.modifier);
gtk_menu_shell_append(GTK_MENU_SHELL(s->machine_menu), s->quit_item);
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"));
s->full_screen_item =
gtk_image_menu_item_new_from_stock(GTK_STOCK_FULLSCREEN, NULL);
gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->full_screen_item),
"<QEMU>/View/Full Screen");
gtk_accel_map_add_entry("<QEMU>/View/Full Screen", GDK_KEY_f, GDK_CONTROL_MASK | GDK_MOD1_MASK);
gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), s->full_screen_item);
separator = gtk_separator_menu_item_new();
gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), separator);
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");
gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus, GDK_CONTROL_MASK | GDK_MOD1_MASK);
gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), s->zoom_in_item);
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");
gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus, GDK_CONTROL_MASK | GDK_MOD1_MASK);
gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), s->zoom_out_item);
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");
gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0, GDK_CONTROL_MASK | GDK_MOD1_MASK);
gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), s->zoom_fixed_item);
s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), s->zoom_fit_item);
separator = gtk_separator_menu_item_new();
gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), separator);
s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), s->grab_on_hover_item);
s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
"<QEMU>/View/Grab Input");
gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g, GDK_CONTROL_MASK | GDK_MOD1_MASK);
gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), s->grab_item);
separator = gtk_separator_menu_item_new();
gtk_menu_shell_append(GTK_MENU_SHELL(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_shell_append(GTK_MENU_SHELL(s->view_menu), s->vga_item);
for (i = 0; i < nb_vcs; i++) {
VirtualConsole *vc = &s->vc[i];
group = gd_vc_init(s, vc, i, group);
s->nb_vcs++;
}
separator = gtk_separator_menu_item_new();
gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), separator);
s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
gtk_menu_shell_append(GTK_MENU_SHELL(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);
s->accel_group = accel_group;
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);
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);
}
static const DisplayChangeListenerOps dcl_ops = {
.dpy_name = "gtk",
.dpy_gfx_update = gd_update,
.dpy_gfx_switch = gd_switch,
.dpy_refresh = gd_refresh,
};
void gtk_display_init(DisplayState *ds)
{
GtkDisplayState *s = g_malloc0(sizeof(*s));
gtk_init(NULL, NULL);
s->dcl.ops = &dcl_ops;
s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
#if GTK_CHECK_VERSION(3, 2, 0)
s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
#else
s->vbox = gtk_vbox_new(FALSE, 0);
#endif
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->free_scale = FALSE;
setlocale(LC_ALL, "");
bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
textdomain("qemu");
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_ENTER_NOTIFY_MASK |
GDK_LEAVE_NOTIFY_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);
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);
register_displaychangelistener(ds, &s->dcl);
global_state = s;
}
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