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gtk.c
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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"
#ifdef _WIN32
# define _WIN32_WINNT 0x0601 /* needed to get definition of MAPVK_VK_TO_VSC */
#endif
#include "qemu-common.h"
#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
/* Work around an -Wstrict-prototypes warning in GTK headers */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wstrict-prototypes"
#endif
#include <gtk/gtk.h>
#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
#pragma GCC diagnostic pop
#endif
#include <gdk/gdkkeysyms.h>
#include <glib/gi18n.h>
#include <locale.h>
#if defined(CONFIG_VTE)
#include <vte/vte.h>
#endif
#include <math.h>
#include "trace.h"
#include "ui/console.h"
#include "ui/input.h"
#include "sysemu/sysemu.h"
#include "qmp-commands.h"
#include "x_keymap.h"
#include "keymaps.h"
#include "sysemu/char.h"
#define MAX_VCS 10
#if !defined(CONFIG_VTE)
# define VTE_CHECK_VERSION(a, b, c) 0
#endif
/* 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_q GDK_q
#define GDK_KEY_plus GDK_plus
#define GDK_KEY_minus GDK_minus
#endif
#define HOTKEY_MODIFIERS (GDK_CONTROL_MASK | GDK_MOD1_MASK)
static const int modifier_keycode[] = {
/* shift, control, alt keys, meta keys, both left & right */
0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
};
typedef struct VirtualConsole
{
GtkWidget *menu_item;
GtkWidget *terminal;
#if defined(CONFIG_VTE)
CharDriverState *chr;
#endif
} 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;
pixman_image_t *convert;
DisplayChangeListener dcl;
DisplaySurface *ds;
int button_mask;
gboolean last_set;
int last_x;
int last_y;
int grab_x_root;
int grab_y_root;
double scale_x;
double scale_y;
gboolean full_screen;
GdkCursor *null_cursor;
Notifier mouse_mode_notifier;
gboolean free_scale;
bool external_pause_update;
bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
} 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 || qemu_input_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);
}
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;
}
qemu_input_event_send_key_number(s->dcl.con, keycode, false);
s->modifier_pressed[i] = false;
}
}
/** 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;
trace_gd_update(x, y, w, h);
if (s->convert) {
pixman_image_composite(PIXMAN_OP_SRC, s->ds->image, NULL, s->convert,
x, y, 0, 0, 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)
{
graphic_hw_update(dcl->con);
}
#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;
if (qemu_input_is_absolute()) {
return;
}
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_root, y_root);
}
#else
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;
if (qemu_input_is_absolute()) {
return;
}
gdk_window_get_root_coords(gtk_widget_get_window(s->drawing_area),
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);
}
#endif
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);
gdk_window_set_cursor(gtk_widget_get_window(s->drawing_area), cursor);
g_object_unref(pixbuf);
#if !GTK_CHECK_VERSION(3, 0, 0)
gdk_cursor_unref(cursor);
#else
g_object_unref(cursor);
#endif
}
static void gd_switch(DisplayChangeListener *dcl,
DisplaySurface *surface)
{
GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
bool resized = true;
trace_gd_switch(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;
if (s->convert) {
pixman_image_unref(s->convert);
s->convert = NULL;
}
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));
}
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)
{
GtkDisplayState *s;
s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
/* release the grab at switching to absolute mode */
if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
FALSE);
}
gd_update_cursor(s, FALSE);
}
/** GTK Events **/
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 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 (qemu_input_is_absolute()) {
if (x < 0 || y < 0 ||
x >= surface_width(s->ds) ||
y >= surface_height(s->ds)) {
return TRUE;
}
qemu_input_queue_abs(s->dcl.con, INPUT_AXIS_X, x,
surface_width(s->ds));
qemu_input_queue_abs(s->dcl.con, INPUT_AXIS_Y, y,
surface_height(s->ds));
qemu_input_event_sync();
} else if (s->last_set && gd_is_grab_active(s)) {
qemu_input_queue_rel(s->dcl.con, INPUT_AXIS_X, x - s->last_x);
qemu_input_queue_rel(s->dcl.con, INPUT_AXIS_Y, y - s->last_y);
qemu_input_event_sync();
}
s->last_x = x;
s->last_y = y;
s->last_set = TRUE;
if (!qemu_input_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_set = FALSE;
return FALSE;
}
}
return TRUE;
}
static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
void *opaque)
{
GtkDisplayState *s = opaque;
InputButton btn;
/* implicitly grab the input at the first click in the relative mode */
if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
!qemu_input_is_absolute() && !gd_is_grab_active(s)) {
gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
TRUE);
return TRUE;
}
if (button->button == 1) {
btn = INPUT_BUTTON_LEFT;
} else if (button->button == 2) {
btn = INPUT_BUTTON_MIDDLE;
} else if (button->button == 3) {
btn = INPUT_BUTTON_RIGHT;
} else {
return TRUE;
}
qemu_input_queue_btn(s->dcl.con, btn, button->type == GDK_BUTTON_PRESS);
qemu_input_event_sync();
return TRUE;
}
static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
void *opaque)
{
GtkDisplayState *s = opaque;
InputButton btn;
if (scroll->direction == GDK_SCROLL_UP) {
btn = INPUT_BUTTON_WHEEL_UP;
} else if (scroll->direction == GDK_SCROLL_DOWN) {
btn = INPUT_BUTTON_WHEEL_DOWN;
} else {
return TRUE;
}
qemu_input_queue_btn(s->dcl.con, btn, true);
qemu_input_event_sync();
qemu_input_queue_btn(s->dcl.con, btn, false);
qemu_input_event_sync();
return TRUE;
}
static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
{
GtkDisplayState *s = opaque;
int gdk_keycode = key->hardware_keycode;
int i;
#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;
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;
}
#endif
trace_gd_key_event(gdk_keycode, qemu_keycode,
(key->type == GDK_KEY_PRESS) ? "down" : "up");
for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
if (qemu_keycode == modifier_keycode[i]) {
s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
}
}
qemu_input_event_send_key_number(s->dcl.con, qemu_keycode,
key->type == GDK_KEY_PRESS);
return TRUE;
}
static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
{
if (event->type == GDK_MOTION_NOTIFY) {
return gd_motion_event(widget, &event->motion, opaque);
}
return FALSE;
}
/** 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;
gtk_release_modifiers(s);
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;
s->scale_x = 1.0;
s->scale_y = 1.0;
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)
{
GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
#if GTK_CHECK_VERSION(3, 0, 0)
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);
gdk_device_get_position(gdk_device_manager_get_client_pointer(mgr),
NULL, &s->grab_x_root, &s->grab_y_root);
#else
gdk_pointer_grab(gtk_widget_get_window(s->drawing_area),
FALSE, /* All events to come to our window directly */
GDK_POINTER_MOTION_MASK |