xref: /openbmc/qemu/ui/gtk.c (revision 43fecc5dde342ec9f04ee8a28d2b09f4cfe1450d)
1 /*
2  * GTK UI
3  *
4  * Copyright IBM, Corp. 2012
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, see <http://www.gnu.org/licenses/>.
21  *
22  * Portions from gtk-vnc (originally licensed under the LGPL v2+):
23  *
24  * GTK VNC Widget
25  *
26  * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
27  * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
28  */
29 
30 #define GETTEXT_PACKAGE "qemu"
31 #define LOCALEDIR "po"
32 
33 #include "qemu/osdep.h"
34 #include "qapi/error.h"
35 #include "qapi/qapi-commands-control.h"
36 #include "qapi/qapi-commands-machine.h"
37 #include "qapi/qapi-commands-misc.h"
38 #include "qemu/cutils.h"
39 #include "qemu/error-report.h"
40 #include "qemu/main-loop.h"
41 #include "qemu-main.h"
42 
43 #include "ui/console.h"
44 #include "ui/gtk.h"
45 #ifdef G_OS_WIN32
46 #include <gdk/gdkwin32.h>
47 #endif
48 #include "ui/win32-kbd-hook.h"
49 
50 #include <glib/gi18n.h>
51 #include <locale.h>
52 #if defined(CONFIG_VTE)
53 #include <vte/vte.h>
54 #endif
55 #include <math.h>
56 
57 #include "trace.h"
58 #include "ui/input.h"
59 #include "system/runstate.h"
60 #include "system/system.h"
61 #include "keymaps.h"
62 #include "chardev/char.h"
63 #include "qom/object.h"
64 
65 #define VC_WINDOW_X_MIN  320
66 #define VC_WINDOW_Y_MIN  240
67 #define VC_TERM_X_MIN     80
68 #define VC_TERM_Y_MIN     25
69 #define VC_SCALE_MIN    0.25
70 #define VC_SCALE_STEP   0.25
71 
72 #ifdef GDK_WINDOWING_X11
73 #include "x_keymap.h"
74 
75 /* Gtk2 compat */
76 #ifndef GDK_IS_X11_DISPLAY
77 #define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
78 #endif
79 #endif
80 
81 
82 #ifdef GDK_WINDOWING_WAYLAND
83 /* Gtk2 compat */
84 #ifndef GDK_IS_WAYLAND_DISPLAY
85 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
86 #endif
87 #endif
88 
89 
90 #ifdef GDK_WINDOWING_WIN32
91 /* Gtk2 compat */
92 #ifndef GDK_IS_WIN32_DISPLAY
93 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
94 #endif
95 #endif
96 
97 
98 #ifdef GDK_WINDOWING_BROADWAY
99 /* Gtk2 compat */
100 #ifndef GDK_IS_BROADWAY_DISPLAY
101 #define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
102 #endif
103 #endif
104 
105 
106 #ifdef GDK_WINDOWING_QUARTZ
107 /* Gtk2 compat */
108 #ifndef GDK_IS_QUARTZ_DISPLAY
109 #define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
110 #endif
111 #endif
112 
113 
114 #if !defined(CONFIG_VTE)
115 # define VTE_CHECK_VERSION(a, b, c) 0
116 #endif
117 
118 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
119 
120 static const guint16 *keycode_map;
121 static size_t keycode_maplen;
122 
123 struct VCChardev {
124     Chardev parent;
125     VirtualConsole *console;
126     bool echo;
127 };
128 typedef struct VCChardev VCChardev;
129 
130 #define TYPE_CHARDEV_VC "chardev-vc"
131 DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
132                          TYPE_CHARDEV_VC)
133 
134 static struct touch_slot touch_slots[INPUT_EVENT_SLOTS_MAX];
135 
136 bool gtk_use_gl_area;
137 
138 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
139 static void gd_ungrab_pointer(GtkDisplayState *s);
140 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
141 static void gd_ungrab_keyboard(GtkDisplayState *s);
142 
143 /** Utility Functions **/
144 
gd_vc_find_by_menu(GtkDisplayState * s)145 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
146 {
147     VirtualConsole *vc;
148     gint i;
149 
150     for (i = 0; i < s->nb_vcs; i++) {
151         vc = &s->vc[i];
152         if (gtk_check_menu_item_get_active
153             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
154             return vc;
155         }
156     }
157     return NULL;
158 }
159 
gd_vc_find_by_page(GtkDisplayState * s,gint page)160 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
161 {
162     VirtualConsole *vc;
163     gint i, p;
164 
165     for (i = 0; i < s->nb_vcs; i++) {
166         vc = &s->vc[i];
167         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
168         if (p == page) {
169             return vc;
170         }
171     }
172     return NULL;
173 }
174 
gd_vc_find_current(GtkDisplayState * s)175 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
176 {
177     gint page;
178 
179     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
180     return gd_vc_find_by_page(s, page);
181 }
182 
gd_is_grab_active(GtkDisplayState * s)183 static bool gd_is_grab_active(GtkDisplayState *s)
184 {
185     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
186 }
187 
gd_grab_on_hover(GtkDisplayState * s)188 static bool gd_grab_on_hover(GtkDisplayState *s)
189 {
190     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
191 }
192 
gd_update_cursor(VirtualConsole * vc)193 static void gd_update_cursor(VirtualConsole *vc)
194 {
195     GtkDisplayState *s = vc->s;
196     GdkWindow *window;
197 
198     if (vc->type != GD_VC_GFX ||
199         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
200         return;
201     }
202 
203     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
204         return;
205     }
206 
207     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
208     if (s->full_screen || qemu_input_is_absolute(vc->gfx.dcl.con) || s->ptr_owner == vc) {
209         gdk_window_set_cursor(window, s->null_cursor);
210     } else {
211         gdk_window_set_cursor(window, NULL);
212     }
213 }
214 
gd_update_caption(GtkDisplayState * s)215 static void gd_update_caption(GtkDisplayState *s)
216 {
217     const char *status = "";
218     gchar *prefix;
219     gchar *title;
220     const char *grab = "";
221     bool is_paused = !runstate_is_running();
222     int i;
223 
224     if (qemu_name) {
225         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
226     } else {
227         prefix = g_strdup_printf("QEMU");
228     }
229 
230     if (s->ptr_owner != NULL &&
231         s->ptr_owner->window == NULL) {
232         grab = _(" - Press Ctrl+Alt+G to release grab");
233     }
234 
235     if (is_paused) {
236         status = _(" [Paused]");
237     }
238     s->external_pause_update = true;
239     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
240                                    is_paused);
241     s->external_pause_update = false;
242 
243     title = g_strdup_printf("%s%s%s", prefix, status, grab);
244     gtk_window_set_title(GTK_WINDOW(s->window), title);
245     g_free(title);
246 
247     for (i = 0; i < s->nb_vcs; i++) {
248         VirtualConsole *vc = &s->vc[i];
249 
250         if (!vc->window) {
251             continue;
252         }
253         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
254                                 vc == s->kbd_owner ? " +kbd" : "",
255                                 vc == s->ptr_owner ? " +ptr" : "");
256         gtk_window_set_title(GTK_WINDOW(vc->window), title);
257         g_free(title);
258     }
259 
260     g_free(prefix);
261 }
262 
gd_update_geometry_hints(VirtualConsole * vc)263 static void gd_update_geometry_hints(VirtualConsole *vc)
264 {
265     GtkDisplayState *s = vc->s;
266     GdkWindowHints mask = 0;
267     GdkGeometry geo = {};
268     GtkWidget *geo_widget = NULL;
269     GtkWindow *geo_window;
270 
271     if (vc->type == GD_VC_GFX) {
272         if (!vc->gfx.ds) {
273             return;
274         }
275         if (s->free_scale) {
276             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
277             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
278             mask |= GDK_HINT_MIN_SIZE;
279         } else {
280             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
281             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
282             mask |= GDK_HINT_MIN_SIZE;
283         }
284         geo_widget = vc->gfx.drawing_area;
285         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
286 
287 #if defined(CONFIG_VTE)
288     } else if (vc->type == GD_VC_VTE) {
289         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
290         GtkBorder padding = { 0 };
291 
292 #if VTE_CHECK_VERSION(0, 37, 0)
293         gtk_style_context_get_padding(
294                 gtk_widget_get_style_context(vc->vte.terminal),
295                 gtk_widget_get_state_flags(vc->vte.terminal),
296                 &padding);
297 #else
298         {
299             GtkBorder *ib = NULL;
300             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
301             if (ib) {
302                 padding = *ib;
303                 gtk_border_free(ib);
304             }
305         }
306 #endif
307 
308         geo.width_inc  = vte_terminal_get_char_width(term);
309         geo.height_inc = vte_terminal_get_char_height(term);
310         mask |= GDK_HINT_RESIZE_INC;
311         geo.base_width  = geo.width_inc;
312         geo.base_height = geo.height_inc;
313         mask |= GDK_HINT_BASE_SIZE;
314         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
315         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
316         mask |= GDK_HINT_MIN_SIZE;
317 
318         geo.base_width  += padding.left + padding.right;
319         geo.base_height += padding.top + padding.bottom;
320         geo.min_width   += padding.left + padding.right;
321         geo.min_height  += padding.top + padding.bottom;
322         geo_widget = vc->vte.terminal;
323 #endif
324     }
325 
326     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
327     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
328 }
329 
gd_update_windowsize(VirtualConsole * vc)330 void gd_update_windowsize(VirtualConsole *vc)
331 {
332     GtkDisplayState *s = vc->s;
333 
334     gd_update_geometry_hints(vc);
335 
336     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
337         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
338                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
339     }
340 }
341 
gd_update_full_redraw(VirtualConsole * vc)342 static void gd_update_full_redraw(VirtualConsole *vc)
343 {
344     GtkWidget *area = vc->gfx.drawing_area;
345     int ww, wh;
346     ww = gdk_window_get_width(gtk_widget_get_window(area));
347     wh = gdk_window_get_height(gtk_widget_get_window(area));
348 #if defined(CONFIG_OPENGL)
349     if (vc->gfx.gls && gtk_use_gl_area) {
350         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
351         return;
352     }
353 #endif
354     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
355 }
356 
gtk_release_modifiers(GtkDisplayState * s)357 static void gtk_release_modifiers(GtkDisplayState *s)
358 {
359     VirtualConsole *vc = gd_vc_find_current(s);
360 
361     if (vc->type != GD_VC_GFX ||
362         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
363         return;
364     }
365     qkbd_state_lift_all_keys(vc->gfx.kbd);
366 }
367 
gd_widget_reparent(GtkWidget * from,GtkWidget * to,GtkWidget * widget)368 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
369                                GtkWidget *widget)
370 {
371     g_object_ref(G_OBJECT(widget));
372     gtk_container_remove(GTK_CONTAINER(from), widget);
373     gtk_container_add(GTK_CONTAINER(to), widget);
374     g_object_unref(G_OBJECT(widget));
375 }
376 
gd_win32_get_hwnd(VirtualConsole * vc)377 static void *gd_win32_get_hwnd(VirtualConsole *vc)
378 {
379 #ifdef G_OS_WIN32
380     return gdk_win32_window_get_impl_hwnd(
381         gtk_widget_get_window(vc->window ? vc->window : vc->s->window));
382 #else
383     return NULL;
384 #endif
385 }
386 
387 /** DisplayState Callbacks **/
388 
gd_update(DisplayChangeListener * dcl,int fbx,int fby,int fbw,int fbh)389 static void gd_update(DisplayChangeListener *dcl,
390                       int fbx, int fby, int fbw, int fbh)
391 {
392     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
393     GdkWindow *win;
394     int wx1, wx2, wy1, wy2;
395     int wx_offset, wy_offset;
396     int ww_surface, wh_surface;
397     int ww_widget, wh_widget;
398 
399     trace_gd_update(vc->label, fbx, fby, fbw, fbh);
400 
401     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
402         return;
403     }
404 
405     if (vc->gfx.convert) {
406         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
407                                NULL, vc->gfx.convert,
408                                fbx, fby, 0, 0, fbx, fby, fbw, fbh);
409     }
410 
411     wx1 = floor(fbx * vc->gfx.scale_x);
412     wy1 = floor(fby * vc->gfx.scale_y);
413 
414     wx2 = ceil(fbx * vc->gfx.scale_x + fbw * vc->gfx.scale_x);
415     wy2 = ceil(fby * vc->gfx.scale_y + fbh * vc->gfx.scale_y);
416 
417     ww_surface = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
418     wh_surface = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
419 
420     win = gtk_widget_get_window(vc->gfx.drawing_area);
421     if (!win) {
422         return;
423     }
424     ww_widget = gdk_window_get_width(win);
425     wh_widget = gdk_window_get_height(win);
426 
427     wx_offset = wy_offset = 0;
428     if (ww_widget > ww_surface) {
429         wx_offset = (ww_widget - ww_surface) / 2;
430     }
431     if (wh_widget > wh_surface) {
432         wy_offset = (wh_widget - wh_surface) / 2;
433     }
434 
435     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
436                                wx_offset + wx1, wy_offset + wy1,
437                                (wx2 - wx1), (wy2 - wy1));
438 }
439 
gd_refresh(DisplayChangeListener * dcl)440 static void gd_refresh(DisplayChangeListener *dcl)
441 {
442     graphic_hw_update(dcl->con);
443 }
444 
gd_get_pointer(GdkDisplay * dpy)445 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
446 {
447     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
448 }
449 
gd_mouse_set(DisplayChangeListener * dcl,int x,int y,bool visible)450 static void gd_mouse_set(DisplayChangeListener *dcl,
451                          int x, int y, bool visible)
452 {
453     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
454     GdkDisplay *dpy;
455     gint x_root, y_root;
456 
457     if (!gtk_widget_get_realized(vc->gfx.drawing_area) ||
458         qemu_input_is_absolute(dcl->con)) {
459         return;
460     }
461 
462     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
463     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
464                                x, y, &x_root, &y_root);
465     gdk_device_warp(gd_get_pointer(dpy),
466                     gtk_widget_get_screen(vc->gfx.drawing_area),
467                     x_root, y_root);
468     vc->s->last_x = x;
469     vc->s->last_y = y;
470 }
471 
gd_cursor_define(DisplayChangeListener * dcl,QEMUCursor * c)472 static void gd_cursor_define(DisplayChangeListener *dcl,
473                              QEMUCursor *c)
474 {
475     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
476     GdkPixbuf *pixbuf;
477     GdkCursor *cursor;
478 
479     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
480         return;
481     }
482 
483     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
484                                       GDK_COLORSPACE_RGB, true, 8,
485                                       c->width, c->height, c->width * 4,
486                                       NULL, NULL);
487     cursor = gdk_cursor_new_from_pixbuf
488         (gtk_widget_get_display(vc->gfx.drawing_area),
489          pixbuf, c->hot_x, c->hot_y);
490     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
491     g_object_unref(pixbuf);
492     g_object_unref(cursor);
493 }
494 
gd_switch(DisplayChangeListener * dcl,DisplaySurface * surface)495 static void gd_switch(DisplayChangeListener *dcl,
496                       DisplaySurface *surface)
497 {
498     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
499     bool resized = true;
500 
501     trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
502 
503     if (vc->gfx.surface) {
504         cairo_surface_destroy(vc->gfx.surface);
505         vc->gfx.surface = NULL;
506     }
507     if (vc->gfx.convert) {
508         pixman_image_unref(vc->gfx.convert);
509         vc->gfx.convert = NULL;
510     }
511 
512     if (vc->gfx.ds &&
513         surface_width(vc->gfx.ds) == surface_width(surface) &&
514         surface_height(vc->gfx.ds) == surface_height(surface)) {
515         resized = false;
516     }
517     vc->gfx.ds = surface;
518 
519     if (surface_format(surface) == PIXMAN_x8r8g8b8) {
520         /*
521          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
522          *
523          * No need to convert, use surface directly.  Should be the
524          * common case as this is qemu_default_pixelformat(32) too.
525          */
526         vc->gfx.surface = cairo_image_surface_create_for_data
527             (surface_data(surface),
528              CAIRO_FORMAT_RGB24,
529              surface_width(surface),
530              surface_height(surface),
531              surface_stride(surface));
532     } else {
533         /* Must convert surface, use pixman to do it. */
534         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
535                                                    surface_width(surface),
536                                                    surface_height(surface),
537                                                    NULL, 0);
538         vc->gfx.surface = cairo_image_surface_create_for_data
539             ((void *)pixman_image_get_data(vc->gfx.convert),
540              CAIRO_FORMAT_RGB24,
541              pixman_image_get_width(vc->gfx.convert),
542              pixman_image_get_height(vc->gfx.convert),
543              pixman_image_get_stride(vc->gfx.convert));
544         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
545                                NULL, vc->gfx.convert,
546                                0, 0, 0, 0, 0, 0,
547                                pixman_image_get_width(vc->gfx.convert),
548                                pixman_image_get_height(vc->gfx.convert));
549     }
550 
551     if (resized) {
552         gd_update_windowsize(vc);
553     } else {
554         gd_update_full_redraw(vc);
555     }
556 }
557 
558 static const DisplayChangeListenerOps dcl_ops = {
559     .dpy_name             = "gtk",
560     .dpy_gfx_update       = gd_update,
561     .dpy_gfx_switch       = gd_switch,
562     .dpy_gfx_check_format = qemu_pixman_check_format,
563     .dpy_refresh          = gd_refresh,
564     .dpy_mouse_set        = gd_mouse_set,
565     .dpy_cursor_define    = gd_cursor_define,
566 };
567 
568 
569 #if defined(CONFIG_OPENGL)
570 
gd_has_dmabuf(DisplayChangeListener * dcl)571 static bool gd_has_dmabuf(DisplayChangeListener *dcl)
572 {
573     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
574 
575     if (gtk_use_gl_area && !gtk_widget_get_realized(vc->gfx.drawing_area)) {
576         /* FIXME: Assume it will work, actual check done after realize */
577         /* fixing this would require delaying listener registration */
578         return true;
579     }
580 
581     return vc->gfx.has_dmabuf;
582 }
583 
gd_gl_release_dmabuf(DisplayChangeListener * dcl,QemuDmaBuf * dmabuf)584 static void gd_gl_release_dmabuf(DisplayChangeListener *dcl,
585                                  QemuDmaBuf *dmabuf)
586 {
587 #ifdef CONFIG_GBM
588     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
589 
590     egl_dmabuf_release_texture(dmabuf);
591     if (vc->gfx.guest_fb.dmabuf == dmabuf) {
592         vc->gfx.guest_fb.dmabuf = NULL;
593     }
594 #endif
595 }
596 
gd_hw_gl_flushed(void * vcon)597 void gd_hw_gl_flushed(void *vcon)
598 {
599     VirtualConsole *vc = vcon;
600     QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
601     int fence_fd;
602 
603     fence_fd = qemu_dmabuf_get_fence_fd(dmabuf);
604     if (fence_fd >= 0) {
605         qemu_set_fd_handler(fence_fd, NULL, NULL, NULL);
606         close(fence_fd);
607         qemu_dmabuf_set_fence_fd(dmabuf, -1);
608         graphic_hw_gl_block(vc->gfx.dcl.con, false);
609     }
610 }
611 
612 /** DisplayState Callbacks (opengl version) **/
613 
614 static const DisplayChangeListenerOps dcl_gl_area_ops = {
615     .dpy_name             = "gtk-egl",
616     .dpy_gfx_update       = gd_gl_area_update,
617     .dpy_gfx_switch       = gd_gl_area_switch,
618     .dpy_gfx_check_format = console_gl_check_format,
619     .dpy_refresh          = gd_gl_area_refresh,
620     .dpy_mouse_set        = gd_mouse_set,
621     .dpy_cursor_define    = gd_cursor_define,
622 
623     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
624     .dpy_gl_scanout_disable  = gd_gl_area_scanout_disable,
625     .dpy_gl_update           = gd_gl_area_scanout_flush,
626     .dpy_gl_scanout_dmabuf   = gd_gl_area_scanout_dmabuf,
627     .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
628     .dpy_has_dmabuf          = gd_has_dmabuf,
629 };
630 
631 static bool
gd_gl_area_is_compatible_dcl(DisplayGLCtx * dgc,DisplayChangeListener * dcl)632 gd_gl_area_is_compatible_dcl(DisplayGLCtx *dgc,
633                              DisplayChangeListener *dcl)
634 {
635     return dcl->ops == &dcl_gl_area_ops;
636 }
637 
638 static const DisplayGLCtxOps gl_area_ctx_ops = {
639     .dpy_gl_ctx_is_compatible_dcl = gd_gl_area_is_compatible_dcl,
640     .dpy_gl_ctx_create       = gd_gl_area_create_context,
641     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
642     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
643 };
644 
645 #ifdef CONFIG_X11
646 static const DisplayChangeListenerOps dcl_egl_ops = {
647     .dpy_name             = "gtk-egl",
648     .dpy_gfx_update       = gd_egl_update,
649     .dpy_gfx_switch       = gd_egl_switch,
650     .dpy_gfx_check_format = console_gl_check_format,
651     .dpy_refresh          = gd_egl_refresh,
652     .dpy_mouse_set        = gd_mouse_set,
653     .dpy_cursor_define    = gd_cursor_define,
654 
655     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
656     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
657     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
658     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
659     .dpy_gl_cursor_position  = gd_egl_cursor_position,
660     .dpy_gl_update           = gd_egl_flush,
661     .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
662     .dpy_has_dmabuf          = gd_has_dmabuf,
663 };
664 
665 static bool
gd_egl_is_compatible_dcl(DisplayGLCtx * dgc,DisplayChangeListener * dcl)666 gd_egl_is_compatible_dcl(DisplayGLCtx *dgc,
667                          DisplayChangeListener *dcl)
668 {
669     return dcl->ops == &dcl_egl_ops;
670 }
671 
672 static const DisplayGLCtxOps egl_ctx_ops = {
673     .dpy_gl_ctx_is_compatible_dcl = gd_egl_is_compatible_dcl,
674     .dpy_gl_ctx_create       = gd_egl_create_context,
675     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
676     .dpy_gl_ctx_make_current = gd_egl_make_current,
677 };
678 #endif
679 
680 #endif /* CONFIG_OPENGL */
681 
682 /** QEMU Events **/
683 
gd_change_runstate(void * opaque,bool running,RunState state)684 static void gd_change_runstate(void *opaque, bool running, RunState state)
685 {
686     GtkDisplayState *s = opaque;
687 
688     gd_update_caption(s);
689 }
690 
gd_mouse_mode_change(Notifier * notify,void * data)691 static void gd_mouse_mode_change(Notifier *notify, void *data)
692 {
693     GtkDisplayState *s;
694     int i;
695 
696     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
697     /* release the grab at switching to absolute mode */
698     if (s->ptr_owner && qemu_input_is_absolute(s->ptr_owner->gfx.dcl.con)) {
699         if (!s->ptr_owner->window) {
700             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
701                                            FALSE);
702         } else {
703             gd_ungrab_pointer(s);
704         }
705     }
706     for (i = 0; i < s->nb_vcs; i++) {
707         VirtualConsole *vc = &s->vc[i];
708         gd_update_cursor(vc);
709     }
710 }
711 
712 /** GTK Events **/
713 
gd_window_close(GtkWidget * widget,GdkEvent * event,void * opaque)714 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
715                                 void *opaque)
716 {
717     GtkDisplayState *s = opaque;
718     bool allow_close = true;
719 
720     if (s->opts->has_window_close && !s->opts->window_close) {
721         allow_close = false;
722     }
723 
724     if (allow_close) {
725         qmp_quit(NULL);
726     }
727 
728     return TRUE;
729 }
730 
gd_set_ui_refresh_rate(VirtualConsole * vc,int refresh_rate)731 static void gd_set_ui_refresh_rate(VirtualConsole *vc, int refresh_rate)
732 {
733     QemuUIInfo info;
734 
735     if (!dpy_ui_info_supported(vc->gfx.dcl.con)) {
736         return;
737     }
738 
739     info = *dpy_get_ui_info(vc->gfx.dcl.con);
740     info.refresh_rate = refresh_rate;
741     dpy_set_ui_info(vc->gfx.dcl.con, &info, true);
742 }
743 
gd_set_ui_size(VirtualConsole * vc,gint width,gint height)744 static void gd_set_ui_size(VirtualConsole *vc, gint width, gint height)
745 {
746     QemuUIInfo info;
747 
748     if (!dpy_ui_info_supported(vc->gfx.dcl.con)) {
749         return;
750     }
751 
752     info = *dpy_get_ui_info(vc->gfx.dcl.con);
753     info.width = width;
754     info.height = height;
755     dpy_set_ui_info(vc->gfx.dcl.con, &info, true);
756 }
757 
758 #if defined(CONFIG_OPENGL)
759 
gd_render_event(GtkGLArea * area,GdkGLContext * context,void * opaque)760 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
761                                 void *opaque)
762 {
763     VirtualConsole *vc = opaque;
764 
765     if (vc->gfx.gls) {
766         gd_gl_area_draw(vc);
767     }
768     return TRUE;
769 }
770 
gd_resize_event(GtkGLArea * area,gint width,gint height,gpointer * opaque)771 static void gd_resize_event(GtkGLArea *area,
772                             gint width, gint height, gpointer *opaque)
773 {
774     VirtualConsole *vc = (void *)opaque;
775 
776     gd_set_ui_size(vc, width, height);
777 }
778 
779 #endif
780 
gd_update_monitor_refresh_rate(VirtualConsole * vc,GtkWidget * widget)781 void gd_update_monitor_refresh_rate(VirtualConsole *vc, GtkWidget *widget)
782 {
783 #ifdef GDK_VERSION_3_22
784     GdkWindow *win = gtk_widget_get_window(widget);
785     int refresh_rate;
786 
787     if (win) {
788         GdkDisplay *dpy = gtk_widget_get_display(widget);
789         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
790         refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
791     } else {
792         refresh_rate = 0;
793     }
794 
795     gd_set_ui_refresh_rate(vc, refresh_rate);
796 
797     /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
798     vc->gfx.dcl.update_interval = refresh_rate ?
799         MIN(1000 * 1000 / refresh_rate, GUI_REFRESH_INTERVAL_DEFAULT) :
800         GUI_REFRESH_INTERVAL_DEFAULT;
801 #endif
802 }
803 
gd_update_scale(VirtualConsole * vc,int ww,int wh,int fbw,int fbh)804 void gd_update_scale(VirtualConsole *vc, int ww, int wh, int fbw, int fbh)
805 {
806     if (!vc) {
807         return;
808     }
809 
810     if (vc->s->full_screen) {
811         vc->gfx.scale_x = (double)ww / fbw;
812         vc->gfx.scale_y = (double)wh / fbh;
813     } else if (vc->s->free_scale) {
814         double sx, sy;
815 
816         sx = (double)ww / fbw;
817         sy = (double)wh / fbh;
818 
819         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
820     }
821 }
822 /**
823  * DOC: Coordinate handling.
824  *
825  * We are coping with sizes and positions in various coordinates and the
826  * handling of these coordinates is somewhat confusing. It would benefit us
827  * all if we define these coordinates explicitly and clearly. Besides, it's
828  * also helpful to follow the same naming convention for variables
829  * representing values in different coordinates.
830  *
831  * I. Definitions
832  *
833  * - (guest) buffer coordinate: this is the coordinates that the guest will
834  *   see. The x/y offsets and width/height specified in commands sent by
835  *   guest is basically in buffer coordinate.
836  *
837  * - (host) pixel coordinate: this is the coordinate in pixel level on the
838  *   host destop. A window/widget of width 300 in pixel coordinate means it
839  *   occupies 300 pixels horizontally.
840  *
841  * - (host) logical window coordinate: the existence of global scaling
842  *   factor in desktop level makes this kind of coordinate play a role. It
843  *   always holds that (logical window size) * (global scale factor) =
844  *   (pixel size).
845  *
846  * - global scale factor: this is specified in desktop level and is
847  *   typically invariant during the life cycle of the process. Users with
848  *   high-DPI monitors might set this scale, for example, to 2, in order to
849  *   make the UI look larger.
850  *
851  * - zooming scale: this can be freely controlled by the QEMU user to zoom
852  *   in/out the guest content.
853  *
854  * II. Representation
855  *
856  * We'd like to use consistent representation for variables in different
857  * coordinates:
858  * - buffer coordinate: prefix fb
859  * - pixel coordinate: prefix p
860  * - logical window coordinate: prefix w
861  *
862  * For scales:
863  * - global scale factor: prefix gs
864  * - zooming scale: prefix scale/s
865  *
866  * Example: fbw, pw, ww for width in different coordinates
867  *
868  * III. Equation
869  *
870  * - fbw * gs * scale_x = pw
871  * - pw = gs * ww
872  *
873  * Consequently we have
874  *
875  * - fbw * scale_x = ww
876  *
877  * Example: assuming we are running QEMU on a 3840x2160 screen and have set
878  * global scaling factor to 2, if the guest buffer size is 1920x1080 and the
879  * zooming scale is 0.5, then we have:
880  * - fbw = 1920, fbh = 1080
881  * - pw  = 1920, ph  = 1080
882  * - ww  = 960,  wh  = 540
883  * A bonus of this configuration is that we can achieve pixel to pixel
884  * presentation of the guest content.
885  */
886 
gd_draw_event(GtkWidget * widget,cairo_t * cr,void * opaque)887 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
888 {
889     VirtualConsole *vc = opaque;
890     GtkDisplayState *s = vc->s;
891     int wx_offset, wy_offset;
892     int ww_widget, wh_widget, ww_surface, wh_surface;
893     int fbw, fbh;
894 
895 #if defined(CONFIG_OPENGL)
896     if (vc->gfx.gls) {
897         if (gtk_use_gl_area) {
898             /* invoke render callback please */
899             return FALSE;
900         } else {
901 #ifdef CONFIG_X11
902             gd_egl_draw(vc);
903             return TRUE;
904 #else
905             abort();
906 #endif
907         }
908     }
909 #endif
910 
911     if (!gtk_widget_get_realized(widget)) {
912         return FALSE;
913     }
914     if (!vc->gfx.ds) {
915         return FALSE;
916     }
917     if (!vc->gfx.surface) {
918         return FALSE;
919     }
920 
921     gd_update_monitor_refresh_rate(vc, vc->window ? vc->window : s->window);
922 
923     fbw = surface_width(vc->gfx.ds);
924     fbh = surface_height(vc->gfx.ds);
925 
926     ww_widget = gdk_window_get_width(gtk_widget_get_window(widget));
927     wh_widget = gdk_window_get_height(gtk_widget_get_window(widget));
928 
929     gd_update_scale(vc, ww_widget, wh_widget, fbw, fbh);
930 
931     ww_surface = fbw * vc->gfx.scale_x;
932     wh_surface = fbh * vc->gfx.scale_y;
933 
934     wx_offset = wy_offset = 0;
935     if (ww_widget > ww_surface) {
936         wx_offset = (ww_widget - ww_surface) / 2;
937     }
938     if (wh_widget > wh_surface) {
939         wy_offset = (wh_widget - wh_surface) / 2;
940     }
941 
942     cairo_rectangle(cr, 0, 0, ww_widget, wh_widget);
943 
944     /* Optionally cut out the inner area where the pixmap
945        will be drawn. This avoids 'flashing' since we're
946        not double-buffering. Note we're using the undocumented
947        behaviour of drawing the rectangle from right to left
948        to cut out the whole */
949     cairo_rectangle(cr, wx_offset + ww_surface, wy_offset,
950                     -1 * ww_surface, wh_surface);
951     cairo_fill(cr);
952 
953     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
954     cairo_set_source_surface(cr, vc->gfx.surface,
955                              wx_offset / vc->gfx.scale_x,
956                              wy_offset / vc->gfx.scale_y);
957     cairo_paint(cr);
958 
959     return TRUE;
960 }
961 
gd_motion_event(GtkWidget * widget,GdkEventMotion * motion,void * opaque)962 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
963                                 void *opaque)
964 {
965     VirtualConsole *vc = opaque;
966     GtkDisplayState *s = vc->s;
967     int fbx, fby;
968     int wx_offset, wy_offset;
969     int wh_surface, ww_surface;
970     int ww_widget, wh_widget;
971 
972     if (!vc->gfx.ds) {
973         return TRUE;
974     }
975 
976     ww_surface = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
977     wh_surface = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
978     ww_widget = gtk_widget_get_allocated_width(widget);
979     wh_widget = gtk_widget_get_allocated_height(widget);
980 
981     /*
982      * `widget` may not have the same size with the frame buffer.
983      * In such cases, some paddings are needed around the `vc`.
984      * To achieve that, `vc` will be displayed at (mx, my)
985      * so that it is displayed at the center of the widget.
986      */
987     wx_offset = wy_offset = 0;
988     if (ww_widget > ww_surface) {
989         wx_offset = (ww_widget - ww_surface) / 2;
990     }
991     if (wh_widget > wh_surface) {
992         wy_offset = (wh_widget - wh_surface) / 2;
993     }
994 
995     /*
996      * `motion` is reported in `widget` coordinates
997      * so translating it to the coordinates in `vc`.
998      */
999     fbx = (motion->x - wx_offset) / vc->gfx.scale_x;
1000     fby = (motion->y - wy_offset) / vc->gfx.scale_y;
1001 
1002     trace_gd_motion_event(ww_widget, wh_widget,
1003                           gtk_widget_get_scale_factor(widget), fbx, fby);
1004 
1005     if (qemu_input_is_absolute(vc->gfx.dcl.con)) {
1006         if (fbx < 0 || fby < 0 ||
1007             fbx >= surface_width(vc->gfx.ds) ||
1008             fby >= surface_height(vc->gfx.ds)) {
1009             return TRUE;
1010         }
1011         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, fbx,
1012                              0, surface_width(vc->gfx.ds));
1013         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, fby,
1014                              0, surface_height(vc->gfx.ds));
1015         qemu_input_event_sync();
1016     } else if (s->last_set && s->ptr_owner == vc) {
1017         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, fbx - s->last_x);
1018         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, fby - s->last_y);
1019         qemu_input_event_sync();
1020     }
1021     s->last_x = fbx;
1022     s->last_y = fby;
1023     s->last_set = TRUE;
1024 
1025     if (!qemu_input_is_absolute(vc->gfx.dcl.con) && s->ptr_owner == vc) {
1026         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
1027         GdkDisplay *dpy = gtk_widget_get_display(widget);
1028         GdkWindow *win = gtk_widget_get_window(widget);
1029         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
1030         GdkRectangle geometry;
1031 
1032         int xr = (int)motion->x_root;
1033         int yr = (int)motion->y_root;
1034 
1035         gdk_monitor_get_geometry(monitor, &geometry);
1036 
1037         /* In relative mode check to see if client pointer hit
1038          * one of the monitor edges, and if so move it back to the
1039          * center of the monitor. This is important because the pointer
1040          * in the server doesn't correspond 1-for-1, and so
1041          * may still be only half way across the screen. Without
1042          * this warp, the server pointer would thus appear to hit
1043          * an invisible wall */
1044         if (xr <= geometry.x || xr - geometry.x >= geometry.width - 1 ||
1045             yr <= geometry.y || yr - geometry.y >= geometry.height - 1) {
1046             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
1047             xr = geometry.x + geometry.width / 2;
1048             yr = geometry.y + geometry.height / 2;
1049 
1050             gdk_device_warp(dev, screen, xr, yr);
1051             s->last_set = FALSE;
1052             return FALSE;
1053         }
1054     }
1055     return TRUE;
1056 }
1057 
gd_button_event(GtkWidget * widget,GdkEventButton * button,void * opaque)1058 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
1059                                 void *opaque)
1060 {
1061     VirtualConsole *vc = opaque;
1062     GtkDisplayState *s = vc->s;
1063     InputButton btn;
1064 
1065     /* implicitly grab the input at the first click in the relative mode */
1066     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
1067         !qemu_input_is_absolute(vc->gfx.dcl.con) && s->ptr_owner != vc) {
1068         if (!vc->window) {
1069             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1070                                            TRUE);
1071         } else {
1072             gd_grab_pointer(vc, "relative-mode-click");
1073         }
1074         return TRUE;
1075     }
1076 
1077     if (button->button == 1) {
1078         btn = INPUT_BUTTON_LEFT;
1079     } else if (button->button == 2) {
1080         btn = INPUT_BUTTON_MIDDLE;
1081     } else if (button->button == 3) {
1082         btn = INPUT_BUTTON_RIGHT;
1083     } else if (button->button == 8) {
1084         btn = INPUT_BUTTON_SIDE;
1085     } else if (button->button == 9) {
1086         btn = INPUT_BUTTON_EXTRA;
1087     } else {
1088         return TRUE;
1089     }
1090 
1091     if (button->type == GDK_2BUTTON_PRESS || button->type == GDK_3BUTTON_PRESS) {
1092         return TRUE;
1093     }
1094 
1095     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
1096                          button->type == GDK_BUTTON_PRESS);
1097     qemu_input_event_sync();
1098     return TRUE;
1099 }
1100 
gd_scroll_event(GtkWidget * widget,GdkEventScroll * scroll,void * opaque)1101 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
1102                                 void *opaque)
1103 {
1104     VirtualConsole *vc = opaque;
1105     InputButton btn_vertical;
1106     InputButton btn_horizontal;
1107     bool has_vertical = false;
1108     bool has_horizontal = false;
1109 
1110     if (scroll->direction == GDK_SCROLL_UP) {
1111         btn_vertical = INPUT_BUTTON_WHEEL_UP;
1112         has_vertical = true;
1113     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1114         btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
1115         has_vertical = true;
1116     } else if (scroll->direction == GDK_SCROLL_LEFT) {
1117         btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
1118         has_horizontal = true;
1119     } else if (scroll->direction == GDK_SCROLL_RIGHT) {
1120         btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
1121         has_horizontal = true;
1122     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1123         gdouble delta_x, delta_y;
1124         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1125                                          &delta_x, &delta_y)) {
1126             return TRUE;
1127         }
1128 
1129         if (delta_y > 0) {
1130             btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
1131             has_vertical = true;
1132         } else if (delta_y < 0) {
1133             btn_vertical = INPUT_BUTTON_WHEEL_UP;
1134             has_vertical = true;
1135         } else if (delta_x > 0) {
1136             btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
1137             has_horizontal = true;
1138         } else if (delta_x < 0) {
1139             btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
1140             has_horizontal = true;
1141         } else {
1142             return TRUE;
1143         }
1144     } else {
1145         return TRUE;
1146     }
1147 
1148     if (has_vertical) {
1149         qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, true);
1150         qemu_input_event_sync();
1151         qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, false);
1152         qemu_input_event_sync();
1153     }
1154 
1155     if (has_horizontal) {
1156         qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, true);
1157         qemu_input_event_sync();
1158         qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, false);
1159         qemu_input_event_sync();
1160     }
1161 
1162     return TRUE;
1163 }
1164 
1165 
gd_touch_event(GtkWidget * widget,GdkEventTouch * touch,void * opaque)1166 static gboolean gd_touch_event(GtkWidget *widget, GdkEventTouch *touch,
1167                                void *opaque)
1168 {
1169     VirtualConsole *vc = opaque;
1170     uint64_t num_slot = GPOINTER_TO_UINT(touch->sequence);
1171     int type = -1;
1172 
1173     switch (touch->type) {
1174     case GDK_TOUCH_BEGIN:
1175         type = INPUT_MULTI_TOUCH_TYPE_BEGIN;
1176         break;
1177     case GDK_TOUCH_UPDATE:
1178         type = INPUT_MULTI_TOUCH_TYPE_UPDATE;
1179         break;
1180     case GDK_TOUCH_END:
1181     case GDK_TOUCH_CANCEL:
1182         type = INPUT_MULTI_TOUCH_TYPE_END;
1183         break;
1184     default:
1185         warn_report("gtk: unexpected touch event type\n");
1186         return FALSE;
1187     }
1188 
1189     console_handle_touch_event(vc->gfx.dcl.con, touch_slots,
1190                                num_slot, surface_width(vc->gfx.ds),
1191                                surface_height(vc->gfx.ds), touch->x,
1192                                touch->y, type, &error_warn);
1193     return TRUE;
1194 }
1195 
gd_get_keymap(size_t * maplen)1196 static const guint16 *gd_get_keymap(size_t *maplen)
1197 {
1198     GdkDisplay *dpy = gdk_display_get_default();
1199 
1200 #ifdef GDK_WINDOWING_X11
1201     if (GDK_IS_X11_DISPLAY(dpy)) {
1202         trace_gd_keymap_windowing("x11");
1203         return qemu_xkeymap_mapping_table(
1204             gdk_x11_display_get_xdisplay(dpy), maplen);
1205     }
1206 #endif
1207 
1208 #ifdef GDK_WINDOWING_WAYLAND
1209     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1210         trace_gd_keymap_windowing("wayland");
1211         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1212         return qemu_input_map_xorgevdev_to_qcode;
1213     }
1214 #endif
1215 
1216 #ifdef GDK_WINDOWING_WIN32
1217     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1218         trace_gd_keymap_windowing("win32");
1219         *maplen = qemu_input_map_atset1_to_qcode_len;
1220         return qemu_input_map_atset1_to_qcode;
1221     }
1222 #endif
1223 
1224 #ifdef GDK_WINDOWING_QUARTZ
1225     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1226         trace_gd_keymap_windowing("quartz");
1227         *maplen = qemu_input_map_osx_to_qcode_len;
1228         return qemu_input_map_osx_to_qcode;
1229     }
1230 #endif
1231 
1232 #ifdef GDK_WINDOWING_BROADWAY
1233     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1234         trace_gd_keymap_windowing("broadway");
1235         g_warning("experimental: using broadway, x11 virtual keysym\n"
1236                   "mapping - with very limited support. See also\n"
1237                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1238         *maplen = qemu_input_map_x11_to_qcode_len;
1239         return qemu_input_map_x11_to_qcode;
1240     }
1241 #endif
1242 
1243     g_warning("Unsupported GDK Windowing platform.\n"
1244               "Disabling extended keycode tables.\n"
1245               "Please report to qemu-devel@nongnu.org\n"
1246               "including the following information:\n"
1247               "\n"
1248               "  - Operating system\n"
1249               "  - GDK Windowing system build\n");
1250     return NULL;
1251 }
1252 
1253 
gd_map_keycode(int scancode)1254 static int gd_map_keycode(int scancode)
1255 {
1256     if (!keycode_map) {
1257         return 0;
1258     }
1259     if (scancode > keycode_maplen) {
1260         return 0;
1261     }
1262 
1263     return keycode_map[scancode];
1264 }
1265 
gd_get_keycode(GdkEventKey * key)1266 static int gd_get_keycode(GdkEventKey *key)
1267 {
1268 #ifdef G_OS_WIN32
1269     int scancode = gdk_event_get_scancode((GdkEvent *)key);
1270 
1271     /* translate Windows native scancodes to atset1 keycodes */
1272     switch (scancode & (KF_EXTENDED | 0xff)) {
1273     case 0x145:     /* NUMLOCK */
1274         return scancode & 0xff;
1275     }
1276 
1277     return scancode & KF_EXTENDED ?
1278         0xe000 | (scancode & 0xff) : scancode & 0xff;
1279 
1280 #else
1281     return key->hardware_keycode;
1282 #endif
1283 }
1284 
gd_text_key_down(GtkWidget * widget,GdkEventKey * key,void * opaque)1285 static gboolean gd_text_key_down(GtkWidget *widget,
1286                                  GdkEventKey *key, void *opaque)
1287 {
1288     VirtualConsole *vc = opaque;
1289     QemuTextConsole *con = QEMU_TEXT_CONSOLE(vc->gfx.dcl.con);
1290 
1291     if (key->keyval == GDK_KEY_Delete) {
1292         qemu_text_console_put_qcode(con, Q_KEY_CODE_DELETE, false);
1293     } else if (key->length) {
1294         qemu_text_console_put_string(con, key->string, key->length);
1295     } else {
1296         int qcode = gd_map_keycode(gd_get_keycode(key));
1297         qemu_text_console_put_qcode(con, qcode, false);
1298     }
1299     return TRUE;
1300 }
1301 
gd_key_event(GtkWidget * widget,GdkEventKey * key,void * opaque)1302 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1303 {
1304     VirtualConsole *vc = opaque;
1305     int keycode, qcode;
1306 
1307 #ifdef G_OS_WIN32
1308     /* on windows, we ought to ignore the reserved key event? */
1309     if (key->hardware_keycode == 0xff)
1310         return false;
1311 
1312     if (!vc->s->kbd_owner) {
1313         if (key->hardware_keycode == VK_LWIN ||
1314             key->hardware_keycode == VK_RWIN) {
1315             return FALSE;
1316         }
1317     }
1318 #endif
1319 
1320     if (key->keyval == GDK_KEY_Pause
1321 #ifdef G_OS_WIN32
1322         /* for some reason GDK does not fill keyval for VK_PAUSE
1323          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1324          */
1325         || key->hardware_keycode == VK_PAUSE
1326 #endif
1327         ) {
1328         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1329                              key->type == GDK_KEY_PRESS);
1330         return TRUE;
1331     }
1332 
1333     keycode = gd_get_keycode(key);
1334     qcode = gd_map_keycode(keycode);
1335 
1336     trace_gd_key_event(vc->label, keycode, qcode,
1337                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1338 
1339     qkbd_state_key_event(vc->gfx.kbd, qcode,
1340                          key->type == GDK_KEY_PRESS);
1341 
1342     return TRUE;
1343 }
1344 
gd_grab_broken_event(GtkWidget * widget,GdkEventGrabBroken * event,void * opaque)1345 static gboolean gd_grab_broken_event(GtkWidget *widget,
1346                                      GdkEventGrabBroken *event, void *opaque)
1347 {
1348 #ifdef CONFIG_WIN32
1349     /*
1350      * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1351      * key combination leaves all three keys in a stuck condition. We use
1352      * the grab-broken-event to release all keys.
1353      */
1354     if (event->keyboard) {
1355         VirtualConsole *vc = opaque;
1356         GtkDisplayState *s = vc->s;
1357 
1358         gtk_release_modifiers(s);
1359     }
1360 #endif
1361     return TRUE;
1362 }
1363 
gd_event(GtkWidget * widget,GdkEvent * event,void * opaque)1364 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1365 {
1366     if (event->type == GDK_MOTION_NOTIFY) {
1367         return gd_motion_event(widget, &event->motion, opaque);
1368     }
1369     return FALSE;
1370 }
1371 
1372 /** Window Menu Actions **/
1373 
gd_menu_pause(GtkMenuItem * item,void * opaque)1374 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1375 {
1376     GtkDisplayState *s = opaque;
1377 
1378     if (s->external_pause_update) {
1379         return;
1380     }
1381     if (runstate_is_running()) {
1382         qmp_stop(NULL);
1383     } else {
1384         qmp_cont(NULL);
1385     }
1386 }
1387 
gd_menu_reset(GtkMenuItem * item,void * opaque)1388 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1389 {
1390     qmp_system_reset(NULL);
1391 }
1392 
gd_menu_powerdown(GtkMenuItem * item,void * opaque)1393 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1394 {
1395     qmp_system_powerdown(NULL);
1396 }
1397 
gd_menu_quit(GtkMenuItem * item,void * opaque)1398 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1399 {
1400     qmp_quit(NULL);
1401 }
1402 
gd_menu_switch_vc(GtkMenuItem * item,void * opaque)1403 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1404 {
1405     GtkDisplayState *s = opaque;
1406     VirtualConsole *vc = gd_vc_find_by_menu(s);
1407     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1408     gint page;
1409 
1410     gtk_release_modifiers(s);
1411     if (vc) {
1412         page = gtk_notebook_page_num(nb, vc->tab_item);
1413         gtk_notebook_set_current_page(nb, page);
1414         gtk_widget_grab_focus(vc->focus);
1415     }
1416 }
1417 
gd_accel_switch_vc(void * opaque)1418 static void gd_accel_switch_vc(void *opaque)
1419 {
1420     VirtualConsole *vc = opaque;
1421 
1422     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1423 }
1424 
gd_menu_show_tabs(GtkMenuItem * item,void * opaque)1425 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1426 {
1427     GtkDisplayState *s = opaque;
1428     VirtualConsole *vc = gd_vc_find_current(s);
1429 
1430     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1431         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1432     } else {
1433         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1434     }
1435     gd_update_windowsize(vc);
1436 }
1437 
gd_tab_window_close(GtkWidget * widget,GdkEvent * event,void * opaque)1438 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1439                                     void *opaque)
1440 {
1441     VirtualConsole *vc = opaque;
1442     GtkDisplayState *s = vc->s;
1443 
1444     gtk_widget_set_sensitive(vc->menu_item, true);
1445     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1446     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1447                                     vc->tab_item, vc->label);
1448     gtk_widget_destroy(vc->window);
1449     vc->window = NULL;
1450 #if defined(CONFIG_OPENGL)
1451     if (vc->gfx.esurface) {
1452         eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1453         vc->gfx.esurface = NULL;
1454     }
1455     if (vc->gfx.ectx) {
1456         eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1457         vc->gfx.ectx = NULL;
1458     }
1459 #endif
1460     return TRUE;
1461 }
1462 
gd_win_grab(void * opaque)1463 static gboolean gd_win_grab(void *opaque)
1464 {
1465     VirtualConsole *vc = opaque;
1466 
1467     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1468     if (vc->s->ptr_owner) {
1469         gd_ungrab_pointer(vc->s);
1470     } else {
1471         gd_grab_pointer(vc, "user-request-detached-tab");
1472     }
1473     return TRUE;
1474 }
1475 
gd_menu_untabify(GtkMenuItem * item,void * opaque)1476 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1477 {
1478     GtkDisplayState *s = opaque;
1479     VirtualConsole *vc = gd_vc_find_current(s);
1480 
1481     if (vc->type == GD_VC_GFX &&
1482         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1483         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1484                                        FALSE);
1485     }
1486     if (!vc->window) {
1487         gtk_widget_set_sensitive(vc->menu_item, false);
1488         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1489 #if defined(CONFIG_OPENGL)
1490         if (vc->gfx.esurface) {
1491             eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1492             vc->gfx.esurface = NULL;
1493         }
1494         if (vc->gfx.ectx) {
1495             eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1496             vc->gfx.ectx = NULL;
1497         }
1498 #endif
1499         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1500 
1501         g_signal_connect(vc->window, "delete-event",
1502                          G_CALLBACK(gd_tab_window_close), vc);
1503         gtk_widget_show_all(vc->window);
1504 
1505         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1506             GtkAccelGroup *ag = gtk_accel_group_new();
1507             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1508 
1509             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1510                                                vc, NULL);
1511             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1512         }
1513 
1514         gd_update_geometry_hints(vc);
1515         gd_update_caption(s);
1516     }
1517 }
1518 
gd_menu_show_menubar(GtkMenuItem * item,void * opaque)1519 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1520 {
1521     GtkDisplayState *s = opaque;
1522     VirtualConsole *vc = gd_vc_find_current(s);
1523 
1524     if (s->full_screen) {
1525         return;
1526     }
1527 
1528     if (gtk_check_menu_item_get_active(
1529                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1530         gtk_widget_show(s->menu_bar);
1531     } else {
1532         gtk_widget_hide(s->menu_bar);
1533     }
1534     gd_update_windowsize(vc);
1535 }
1536 
gd_accel_show_menubar(void * opaque)1537 static void gd_accel_show_menubar(void *opaque)
1538 {
1539     GtkDisplayState *s = opaque;
1540     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1541 }
1542 
gd_menu_full_screen(GtkMenuItem * item,void * opaque)1543 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1544 {
1545     GtkDisplayState *s = opaque;
1546     VirtualConsole *vc = gd_vc_find_current(s);
1547 
1548     if (!s->full_screen) {
1549         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1550         gtk_widget_hide(s->menu_bar);
1551         if (vc->type == GD_VC_GFX) {
1552             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1553         }
1554         gtk_window_fullscreen(GTK_WINDOW(s->window));
1555         s->full_screen = TRUE;
1556     } else {
1557         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1558         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1559         if (gtk_check_menu_item_get_active(
1560                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1561             gtk_widget_show(s->menu_bar);
1562         }
1563         s->full_screen = FALSE;
1564         if (vc->type == GD_VC_GFX) {
1565             vc->gfx.scale_x = 1.0;
1566             vc->gfx.scale_y = 1.0;
1567             gd_update_windowsize(vc);
1568         }
1569     }
1570 
1571     gd_update_cursor(vc);
1572 }
1573 
gd_accel_full_screen(void * opaque)1574 static void gd_accel_full_screen(void *opaque)
1575 {
1576     GtkDisplayState *s = opaque;
1577     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1578 }
1579 
gd_menu_zoom_in(GtkMenuItem * item,void * opaque)1580 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1581 {
1582     GtkDisplayState *s = opaque;
1583     VirtualConsole *vc = gd_vc_find_current(s);
1584 
1585     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1586                                    FALSE);
1587 
1588     vc->gfx.scale_x += VC_SCALE_STEP;
1589     vc->gfx.scale_y += VC_SCALE_STEP;
1590 
1591     gd_update_windowsize(vc);
1592 }
1593 
gd_accel_zoom_in(void * opaque)1594 static void gd_accel_zoom_in(void *opaque)
1595 {
1596     GtkDisplayState *s = opaque;
1597     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1598 }
1599 
gd_menu_zoom_out(GtkMenuItem * item,void * opaque)1600 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1601 {
1602     GtkDisplayState *s = opaque;
1603     VirtualConsole *vc = gd_vc_find_current(s);
1604 
1605     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1606                                    FALSE);
1607 
1608     vc->gfx.scale_x -= VC_SCALE_STEP;
1609     vc->gfx.scale_y -= VC_SCALE_STEP;
1610 
1611     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1612     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1613 
1614     gd_update_windowsize(vc);
1615 }
1616 
gd_menu_zoom_fixed(GtkMenuItem * item,void * opaque)1617 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1618 {
1619     GtkDisplayState *s = opaque;
1620     VirtualConsole *vc = gd_vc_find_current(s);
1621 
1622     vc->gfx.scale_x = 1.0;
1623     vc->gfx.scale_y = 1.0;
1624 
1625     gd_update_windowsize(vc);
1626 }
1627 
gd_menu_zoom_fit(GtkMenuItem * item,void * opaque)1628 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1629 {
1630     GtkDisplayState *s = opaque;
1631     VirtualConsole *vc = gd_vc_find_current(s);
1632 
1633     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1634         s->free_scale = TRUE;
1635     } else {
1636         s->free_scale = FALSE;
1637         vc->gfx.scale_x = 1.0;
1638         vc->gfx.scale_y = 1.0;
1639     }
1640 
1641     gd_update_windowsize(vc);
1642     gd_update_full_redraw(vc);
1643 }
1644 
gd_grab_update(VirtualConsole * vc,bool kbd,bool ptr)1645 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1646 {
1647     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1648     GdkSeat *seat = gdk_display_get_default_seat(display);
1649     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1650     GdkSeatCapabilities caps = 0;
1651     GdkCursor *cursor = NULL;
1652 
1653     if (kbd) {
1654         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1655     }
1656     if (ptr) {
1657         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1658         cursor = vc->s->null_cursor;
1659     }
1660 
1661     if (caps) {
1662         gdk_seat_grab(seat, window, caps, false, cursor,
1663                       NULL, NULL, NULL);
1664     } else {
1665         gdk_seat_ungrab(seat);
1666     }
1667 }
1668 
gd_grab_keyboard(VirtualConsole * vc,const char * reason)1669 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1670 {
1671     if (vc->s->kbd_owner) {
1672         if (vc->s->kbd_owner == vc) {
1673             return;
1674         } else {
1675             gd_ungrab_keyboard(vc->s);
1676         }
1677     }
1678 
1679     win32_kbd_set_grab(true);
1680     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1681     vc->s->kbd_owner = vc;
1682     gd_update_caption(vc->s);
1683     trace_gd_grab(vc->label, "kbd", reason);
1684 }
1685 
gd_ungrab_keyboard(GtkDisplayState * s)1686 static void gd_ungrab_keyboard(GtkDisplayState *s)
1687 {
1688     VirtualConsole *vc = s->kbd_owner;
1689 
1690     if (vc == NULL) {
1691         return;
1692     }
1693     s->kbd_owner = NULL;
1694 
1695     win32_kbd_set_grab(false);
1696     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1697     gd_update_caption(s);
1698     trace_gd_ungrab(vc->label, "kbd");
1699 }
1700 
gd_grab_pointer(VirtualConsole * vc,const char * reason)1701 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1702 {
1703     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1704 
1705     if (vc->s->ptr_owner) {
1706         if (vc->s->ptr_owner == vc) {
1707             return;
1708         } else {
1709             gd_ungrab_pointer(vc->s);
1710         }
1711     }
1712 
1713     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1714     gdk_device_get_position(gd_get_pointer(display),
1715                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1716     vc->s->ptr_owner = vc;
1717     gd_update_caption(vc->s);
1718     trace_gd_grab(vc->label, "ptr", reason);
1719 }
1720 
gd_ungrab_pointer(GtkDisplayState * s)1721 static void gd_ungrab_pointer(GtkDisplayState *s)
1722 {
1723     VirtualConsole *vc = s->ptr_owner;
1724     GdkDisplay *display;
1725 
1726     if (vc == NULL) {
1727         return;
1728     }
1729     s->ptr_owner = NULL;
1730 
1731     display = gtk_widget_get_display(vc->gfx.drawing_area);
1732     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1733     gdk_device_warp(gd_get_pointer(display),
1734                     gtk_widget_get_screen(vc->gfx.drawing_area),
1735                     vc->s->grab_x_root, vc->s->grab_y_root);
1736     gd_update_caption(s);
1737     trace_gd_ungrab(vc->label, "ptr");
1738 }
1739 
gd_menu_grab_input(GtkMenuItem * item,void * opaque)1740 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1741 {
1742     GtkDisplayState *s = opaque;
1743     VirtualConsole *vc = gd_vc_find_current(s);
1744 
1745     if (gd_is_grab_active(s)) {
1746         gd_grab_keyboard(vc, "user-request-main-window");
1747         gd_grab_pointer(vc, "user-request-main-window");
1748     } else {
1749         gd_ungrab_keyboard(s);
1750         gd_ungrab_pointer(s);
1751     }
1752 
1753     gd_update_cursor(vc);
1754 }
1755 
gd_change_page(GtkNotebook * nb,gpointer arg1,guint arg2,gpointer data)1756 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1757                            gpointer data)
1758 {
1759     GtkDisplayState *s = data;
1760     VirtualConsole *vc;
1761     gboolean on_vga;
1762 
1763     if (!gtk_widget_get_realized(s->notebook)) {
1764         return;
1765     }
1766 
1767     vc = gd_vc_find_by_page(s, arg2);
1768     if (!vc) {
1769         return;
1770     }
1771     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1772                                    TRUE);
1773     on_vga = (vc->type == GD_VC_GFX &&
1774               qemu_console_is_graphic(vc->gfx.dcl.con));
1775     if (!on_vga) {
1776         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1777                                        FALSE);
1778     } else if (s->full_screen) {
1779         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1780                                        TRUE);
1781     }
1782     gtk_widget_set_sensitive(s->grab_item, on_vga);
1783 #ifdef CONFIG_VTE
1784     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1785 #endif
1786 
1787     gd_update_windowsize(vc);
1788     gd_update_cursor(vc);
1789 }
1790 
gd_enter_event(GtkWidget * widget,GdkEventCrossing * crossing,gpointer opaque)1791 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1792                                gpointer opaque)
1793 {
1794     VirtualConsole *vc = opaque;
1795     GtkDisplayState *s = vc->s;
1796 
1797     if (gd_grab_on_hover(s)) {
1798         gd_grab_keyboard(vc, "grab-on-hover");
1799     }
1800     return TRUE;
1801 }
1802 
gd_leave_event(GtkWidget * widget,GdkEventCrossing * crossing,gpointer opaque)1803 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1804                                gpointer opaque)
1805 {
1806     VirtualConsole *vc = opaque;
1807     GtkDisplayState *s = vc->s;
1808 
1809     if (gd_grab_on_hover(s)) {
1810         gd_ungrab_keyboard(s);
1811     }
1812     return TRUE;
1813 }
1814 
gd_focus_in_event(GtkWidget * widget,GdkEventFocus * event,gpointer opaque)1815 static gboolean gd_focus_in_event(GtkWidget *widget,
1816                                   GdkEventFocus *event, gpointer opaque)
1817 {
1818     VirtualConsole *vc = opaque;
1819 
1820     win32_kbd_set_window(gd_win32_get_hwnd(vc));
1821     return TRUE;
1822 }
1823 
gd_focus_out_event(GtkWidget * widget,GdkEventFocus * event,gpointer opaque)1824 static gboolean gd_focus_out_event(GtkWidget *widget,
1825                                    GdkEventFocus *event, gpointer opaque)
1826 {
1827     VirtualConsole *vc = opaque;
1828     GtkDisplayState *s = vc->s;
1829 
1830     win32_kbd_set_window(NULL);
1831     gtk_release_modifiers(s);
1832     return TRUE;
1833 }
1834 
gd_configure(GtkWidget * widget,GdkEventConfigure * cfg,gpointer opaque)1835 static gboolean gd_configure(GtkWidget *widget,
1836                              GdkEventConfigure *cfg, gpointer opaque)
1837 {
1838     VirtualConsole *vc = opaque;
1839 
1840     gd_set_ui_size(vc, cfg->width, cfg->height);
1841     return FALSE;
1842 }
1843 
1844 /** Virtual Console Callbacks **/
1845 
gd_vc_menu_init(GtkDisplayState * s,VirtualConsole * vc,int idx,GSList * group,GtkWidget * view_menu)1846 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1847                                int idx, GSList *group, GtkWidget *view_menu)
1848 {
1849     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1850     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1851             HOTKEY_MODIFIERS, 0,
1852             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1853     gtk_accel_label_set_accel(
1854             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1855             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1856 
1857     g_signal_connect(vc->menu_item, "activate",
1858                      G_CALLBACK(gd_menu_switch_vc), s);
1859     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1860 
1861     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1862 }
1863 
1864 #if defined(CONFIG_VTE)
gd_menu_copy(GtkMenuItem * item,void * opaque)1865 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1866 {
1867     GtkDisplayState *s = opaque;
1868     VirtualConsole *vc = gd_vc_find_current(s);
1869 
1870 #if VTE_CHECK_VERSION(0, 50, 0)
1871     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1872                                        VTE_FORMAT_TEXT);
1873 #else
1874     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1875 #endif
1876 }
1877 
gd_vc_adjustment_changed(GtkAdjustment * adjustment,void * opaque)1878 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1879 {
1880     VirtualConsole *vc = opaque;
1881 
1882     if (gtk_adjustment_get_upper(adjustment) >
1883         gtk_adjustment_get_page_size(adjustment)) {
1884         gtk_widget_show(vc->vte.scrollbar);
1885     } else {
1886         gtk_widget_hide(vc->vte.scrollbar);
1887     }
1888 }
1889 
gd_vc_send_chars(VirtualConsole * vc)1890 static void gd_vc_send_chars(VirtualConsole *vc)
1891 {
1892     uint32_t len, avail;
1893 
1894     len = qemu_chr_be_can_write(vc->vte.chr);
1895     avail = fifo8_num_used(&vc->vte.out_fifo);
1896     while (len > 0 && avail > 0) {
1897         const uint8_t *buf;
1898         uint32_t size;
1899 
1900         buf = fifo8_pop_bufptr(&vc->vte.out_fifo, MIN(len, avail), &size);
1901         qemu_chr_be_write(vc->vte.chr, buf, size);
1902         len = qemu_chr_be_can_write(vc->vte.chr);
1903         avail -= size;
1904     }
1905 }
1906 
gd_vc_chr_write(Chardev * chr,const uint8_t * buf,int len)1907 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1908 {
1909     VCChardev *vcd = VC_CHARDEV(chr);
1910     VirtualConsole *vc = vcd->console;
1911 
1912     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1913     return len;
1914 }
1915 
gd_vc_chr_accept_input(Chardev * chr)1916 static void gd_vc_chr_accept_input(Chardev *chr)
1917 {
1918     VCChardev *vcd = VC_CHARDEV(chr);
1919     VirtualConsole *vc = vcd->console;
1920 
1921     if (vc) {
1922         gd_vc_send_chars(vc);
1923     }
1924 }
1925 
gd_vc_chr_set_echo(Chardev * chr,bool echo)1926 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1927 {
1928     VCChardev *vcd = VC_CHARDEV(chr);
1929     VirtualConsole *vc = vcd->console;
1930 
1931     if (vc) {
1932         vc->vte.echo = echo;
1933     } else {
1934         vcd->echo = echo;
1935     }
1936 }
1937 
1938 static int nb_vcs;
1939 static Chardev *vcs[MAX_VCS];
gd_vc_open(Chardev * chr,ChardevBackend * backend,bool * be_opened,Error ** errp)1940 static void gd_vc_open(Chardev *chr,
1941                        ChardevBackend *backend,
1942                        bool *be_opened,
1943                        Error **errp)
1944 {
1945     if (nb_vcs == MAX_VCS) {
1946         error_setg(errp, "Maximum number of consoles reached");
1947         return;
1948     }
1949 
1950     vcs[nb_vcs++] = chr;
1951 
1952     /* console/chardev init sometimes completes elsewhere in a 2nd
1953      * stage, so defer OPENED events until they are fully initialized
1954      */
1955     *be_opened = false;
1956 }
1957 
char_gd_vc_class_init(ObjectClass * oc,void * data)1958 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1959 {
1960     ChardevClass *cc = CHARDEV_CLASS(oc);
1961 
1962     cc->open = gd_vc_open;
1963     cc->chr_write = gd_vc_chr_write;
1964     cc->chr_accept_input = gd_vc_chr_accept_input;
1965     cc->chr_set_echo = gd_vc_chr_set_echo;
1966 }
1967 
1968 static const TypeInfo char_gd_vc_type_info = {
1969     .name = TYPE_CHARDEV_VC,
1970     .parent = TYPE_CHARDEV,
1971     .instance_size = sizeof(VCChardev),
1972     .class_init = char_gd_vc_class_init,
1973 };
1974 
gd_vc_in(VteTerminal * terminal,gchar * text,guint size,gpointer user_data)1975 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1976                          gpointer user_data)
1977 {
1978     VirtualConsole *vc = user_data;
1979     uint32_t free;
1980 
1981     if (vc->vte.echo) {
1982         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1983         int i;
1984         for (i = 0; i < size; i++) {
1985             uint8_t c = text[i];
1986             if (c >= 128 || isprint(c)) {
1987                 /* 8-bit characters are considered printable.  */
1988                 vte_terminal_feed(term, &text[i], 1);
1989             } else if (c == '\r' || c == '\n') {
1990                 vte_terminal_feed(term, "\r\n", 2);
1991             } else {
1992                 char ctrl[2] = { '^', 0};
1993                 ctrl[1] = text[i] ^ 64;
1994                 vte_terminal_feed(term, ctrl, 2);
1995             }
1996         }
1997     }
1998 
1999     free = fifo8_num_free(&vc->vte.out_fifo);
2000     fifo8_push_all(&vc->vte.out_fifo, (uint8_t *)text, MIN(free, size));
2001     gd_vc_send_chars(vc);
2002 
2003     return TRUE;
2004 }
2005 
gd_vc_vte_init(GtkDisplayState * s,VirtualConsole * vc,Chardev * chr,int idx,GSList * group,GtkWidget * view_menu)2006 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
2007                               Chardev *chr, int idx,
2008                               GSList *group, GtkWidget *view_menu)
2009 {
2010     char buffer[32];
2011     GtkWidget *box;
2012     GtkWidget *scrollbar;
2013     GtkAdjustment *vadjustment;
2014     VCChardev *vcd = VC_CHARDEV(chr);
2015 
2016     vc->s = s;
2017     vc->vte.echo = vcd->echo;
2018     vc->vte.chr = chr;
2019     fifo8_create(&vc->vte.out_fifo, 4096);
2020     vcd->console = vc;
2021 
2022     snprintf(buffer, sizeof(buffer), "vc%d", idx);
2023     vc->label = g_strdup(vc->vte.chr->label ? : buffer);
2024     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2025 
2026     vc->vte.terminal = vte_terminal_new();
2027     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
2028 
2029     /* The documentation says that the default is UTF-8, but actually it is
2030      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
2031      * VTE 0.54 (only UTF-8 is supported now). */
2032 #if !VTE_CHECK_VERSION(0, 54, 0)
2033 #if VTE_CHECK_VERSION(0, 38, 0)
2034     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
2035 #else
2036     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
2037 #endif
2038 #endif
2039 
2040     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
2041     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
2042                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
2043 
2044 #if VTE_CHECK_VERSION(0, 28, 0)
2045     vadjustment = gtk_scrollable_get_vadjustment
2046         (GTK_SCROLLABLE(vc->vte.terminal));
2047 #else
2048     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
2049 #endif
2050 
2051     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
2052     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
2053 
2054     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
2055     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
2056 
2057     vc->vte.box = box;
2058     vc->vte.scrollbar = scrollbar;
2059 
2060     g_signal_connect(vadjustment, "changed",
2061                      G_CALLBACK(gd_vc_adjustment_changed), vc);
2062 
2063     vc->type = GD_VC_VTE;
2064     vc->tab_item = box;
2065     vc->focus = vc->vte.terminal;
2066     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
2067                              gtk_label_new(vc->label));
2068 
2069     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
2070 
2071     return group;
2072 }
2073 
gd_vcs_init(GtkDisplayState * s,GSList * group,GtkWidget * view_menu)2074 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
2075                         GtkWidget *view_menu)
2076 {
2077     int i;
2078 
2079     for (i = 0; i < nb_vcs; i++) {
2080         VirtualConsole *vc = &s->vc[s->nb_vcs];
2081         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
2082         s->nb_vcs++;
2083     }
2084 }
2085 #endif /* CONFIG_VTE */
2086 
2087 /** Window Creation **/
2088 
gd_connect_vc_gfx_signals(VirtualConsole * vc)2089 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
2090 {
2091     g_signal_connect(vc->gfx.drawing_area, "draw",
2092                      G_CALLBACK(gd_draw_event), vc);
2093 #if defined(CONFIG_OPENGL)
2094     if (gtk_use_gl_area) {
2095         /* wire up GtkGlArea events */
2096         g_signal_connect(vc->gfx.drawing_area, "render",
2097                          G_CALLBACK(gd_render_event), vc);
2098         g_signal_connect(vc->gfx.drawing_area, "resize",
2099                          G_CALLBACK(gd_resize_event), vc);
2100     }
2101 #endif
2102     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
2103         g_signal_connect(vc->gfx.drawing_area, "event",
2104                          G_CALLBACK(gd_event), vc);
2105         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
2106                          G_CALLBACK(gd_button_event), vc);
2107         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
2108                          G_CALLBACK(gd_button_event), vc);
2109         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
2110                          G_CALLBACK(gd_scroll_event), vc);
2111         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
2112                          G_CALLBACK(gd_key_event), vc);
2113         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
2114                          G_CALLBACK(gd_key_event), vc);
2115         g_signal_connect(vc->gfx.drawing_area, "touch-event",
2116                          G_CALLBACK(gd_touch_event), vc);
2117 
2118         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
2119                          G_CALLBACK(gd_enter_event), vc);
2120         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
2121                          G_CALLBACK(gd_leave_event), vc);
2122         g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
2123                          G_CALLBACK(gd_focus_in_event), vc);
2124         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
2125                          G_CALLBACK(gd_focus_out_event), vc);
2126         g_signal_connect(vc->gfx.drawing_area, "configure-event",
2127                          G_CALLBACK(gd_configure), vc);
2128         g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
2129                          G_CALLBACK(gd_grab_broken_event), vc);
2130     } else {
2131         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
2132                          G_CALLBACK(gd_text_key_down), vc);
2133     }
2134 }
2135 
gd_connect_signals(GtkDisplayState * s)2136 static void gd_connect_signals(GtkDisplayState *s)
2137 {
2138     g_signal_connect(s->show_tabs_item, "activate",
2139                      G_CALLBACK(gd_menu_show_tabs), s);
2140     g_signal_connect(s->untabify_item, "activate",
2141                      G_CALLBACK(gd_menu_untabify), s);
2142     g_signal_connect(s->show_menubar_item, "activate",
2143                      G_CALLBACK(gd_menu_show_menubar), s);
2144 
2145     g_signal_connect(s->window, "delete-event",
2146                      G_CALLBACK(gd_window_close), s);
2147 
2148     g_signal_connect(s->pause_item, "activate",
2149                      G_CALLBACK(gd_menu_pause), s);
2150     g_signal_connect(s->reset_item, "activate",
2151                      G_CALLBACK(gd_menu_reset), s);
2152     g_signal_connect(s->powerdown_item, "activate",
2153                      G_CALLBACK(gd_menu_powerdown), s);
2154     g_signal_connect(s->quit_item, "activate",
2155                      G_CALLBACK(gd_menu_quit), s);
2156 #if defined(CONFIG_VTE)
2157     g_signal_connect(s->copy_item, "activate",
2158                      G_CALLBACK(gd_menu_copy), s);
2159 #endif
2160     g_signal_connect(s->full_screen_item, "activate",
2161                      G_CALLBACK(gd_menu_full_screen), s);
2162     g_signal_connect(s->zoom_in_item, "activate",
2163                      G_CALLBACK(gd_menu_zoom_in), s);
2164     g_signal_connect(s->zoom_out_item, "activate",
2165                      G_CALLBACK(gd_menu_zoom_out), s);
2166     g_signal_connect(s->zoom_fixed_item, "activate",
2167                      G_CALLBACK(gd_menu_zoom_fixed), s);
2168     g_signal_connect(s->zoom_fit_item, "activate",
2169                      G_CALLBACK(gd_menu_zoom_fit), s);
2170     g_signal_connect(s->grab_item, "activate",
2171                      G_CALLBACK(gd_menu_grab_input), s);
2172     g_signal_connect(s->notebook, "switch-page",
2173                      G_CALLBACK(gd_change_page), s);
2174 }
2175 
gd_create_menu_machine(GtkDisplayState * s)2176 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
2177 {
2178     GtkWidget *machine_menu;
2179     GtkWidget *separator;
2180 
2181     machine_menu = gtk_menu_new();
2182     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
2183 
2184     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
2185     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
2186 
2187     separator = gtk_separator_menu_item_new();
2188     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2189 
2190     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
2191     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
2192 
2193     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
2194     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
2195 
2196     separator = gtk_separator_menu_item_new();
2197     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2198 
2199     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
2200     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
2201                                  "<QEMU>/Machine/Quit");
2202     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
2203                             GDK_KEY_q, HOTKEY_MODIFIERS);
2204     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2205 
2206     return machine_menu;
2207 }
2208 
2209 #if defined(CONFIG_OPENGL)
gl_area_realize(GtkGLArea * area,VirtualConsole * vc)2210 static void gl_area_realize(GtkGLArea *area, VirtualConsole *vc)
2211 {
2212     gtk_gl_area_make_current(area);
2213     qemu_egl_display = eglGetCurrentDisplay();
2214     vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2215     if (!vc->gfx.has_dmabuf) {
2216         error_report("GtkGLArea console lacks DMABUF support.");
2217     }
2218 }
2219 #endif
2220 
gd_vc_gfx_init(GtkDisplayState * s,VirtualConsole * vc,QemuConsole * con,int idx,GSList * group,GtkWidget * view_menu)2221 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2222                               QemuConsole *con, int idx,
2223                               GSList *group, GtkWidget *view_menu)
2224 {
2225     bool zoom_to_fit = false;
2226     int i;
2227 
2228     vc->label = qemu_console_get_label(con);
2229     vc->s = s;
2230     vc->gfx.scale_x = 1.0;
2231     vc->gfx.scale_y = 1.0;
2232 
2233 #if defined(CONFIG_OPENGL)
2234     if (display_opengl) {
2235         if (gtk_use_gl_area) {
2236             vc->gfx.drawing_area = gtk_gl_area_new();
2237             g_signal_connect(vc->gfx.drawing_area, "realize",
2238                              G_CALLBACK(gl_area_realize), vc);
2239             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2240             vc->gfx.dgc.ops = &gl_area_ctx_ops;
2241         } else {
2242 #ifdef CONFIG_X11
2243             vc->gfx.drawing_area = gtk_drawing_area_new();
2244             /*
2245              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2246              * It is required for opengl rendering on X11 though.  A
2247              * proper replacement (native opengl support) is only
2248              * available in 3.16+.  Silence the warning if possible.
2249              */
2250 #pragma GCC diagnostic push
2251 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2252             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2253 #pragma GCC diagnostic pop
2254             vc->gfx.dcl.ops = &dcl_egl_ops;
2255             vc->gfx.dgc.ops = &egl_ctx_ops;
2256             vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2257 #else
2258             abort();
2259 #endif
2260         }
2261     } else
2262 #endif
2263     {
2264         vc->gfx.drawing_area = gtk_drawing_area_new();
2265         vc->gfx.dcl.ops = &dcl_ops;
2266     }
2267 
2268 
2269     gtk_widget_add_events(vc->gfx.drawing_area,
2270                           GDK_POINTER_MOTION_MASK |
2271                           GDK_BUTTON_PRESS_MASK |
2272                           GDK_BUTTON_RELEASE_MASK |
2273                           GDK_BUTTON_MOTION_MASK |
2274                           GDK_TOUCH_MASK |
2275                           GDK_ENTER_NOTIFY_MASK |
2276                           GDK_LEAVE_NOTIFY_MASK |
2277                           GDK_SCROLL_MASK |
2278                           GDK_SMOOTH_SCROLL_MASK |
2279                           GDK_KEY_PRESS_MASK);
2280     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2281 
2282     vc->type = GD_VC_GFX;
2283     vc->tab_item = vc->gfx.drawing_area;
2284     vc->focus = vc->gfx.drawing_area;
2285     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2286                              vc->tab_item, gtk_label_new(vc->label));
2287 
2288     vc->gfx.kbd = qkbd_state_init(con);
2289     vc->gfx.dcl.con = con;
2290 
2291     if (display_opengl) {
2292         qemu_console_set_display_gl_ctx(con, &vc->gfx.dgc);
2293     }
2294     register_displaychangelistener(&vc->gfx.dcl);
2295 
2296     gd_connect_vc_gfx_signals(vc);
2297     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2298 
2299     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2300         zoom_to_fit = true;
2301     }
2302     if (s->opts->u.gtk.has_zoom_to_fit) {
2303         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2304     }
2305     if (zoom_to_fit) {
2306         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2307         s->free_scale = true;
2308     }
2309 
2310     for (i = 0; i < INPUT_EVENT_SLOTS_MAX; i++) {
2311         struct touch_slot *slot = &touch_slots[i];
2312         slot->tracking_id = -1;
2313     }
2314 
2315     return group;
2316 }
2317 
gd_create_menu_view(GtkDisplayState * s,DisplayOptions * opts)2318 static GtkWidget *gd_create_menu_view(GtkDisplayState *s, DisplayOptions *opts)
2319 {
2320     GSList *group = NULL;
2321     GtkWidget *view_menu;
2322     GtkWidget *separator;
2323     QemuConsole *con;
2324     int vc;
2325 
2326     view_menu = gtk_menu_new();
2327     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2328 
2329     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2330 
2331 #if defined(CONFIG_VTE)
2332     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2333     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2334 #endif
2335 
2336     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2337             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2338     gtk_accel_label_set_accel(
2339             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2340             GDK_KEY_f, HOTKEY_MODIFIERS);
2341     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2342 
2343     separator = gtk_separator_menu_item_new();
2344     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2345 
2346     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2347     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2348                                  "<QEMU>/View/Zoom In");
2349     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2350                             HOTKEY_MODIFIERS);
2351     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2352             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2353     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2354 
2355     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2356     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2357                                  "<QEMU>/View/Zoom Out");
2358     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2359                             HOTKEY_MODIFIERS);
2360     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2361 
2362     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2363     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2364                                  "<QEMU>/View/Zoom Fixed");
2365     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2366                             HOTKEY_MODIFIERS);
2367     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2368 
2369     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2370     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2371 
2372     separator = gtk_separator_menu_item_new();
2373     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2374 
2375     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2376     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2377 
2378     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2379     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2380                                  "<QEMU>/View/Grab Input");
2381     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2382                             HOTKEY_MODIFIERS);
2383     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2384 
2385     separator = gtk_separator_menu_item_new();
2386     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2387 
2388     /* gfx */
2389     for (vc = 0;; vc++) {
2390         con = qemu_console_lookup_by_index(vc);
2391         if (!con) {
2392             break;
2393         }
2394         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2395                                vc, group, view_menu);
2396         s->nb_vcs++;
2397     }
2398 
2399 #if defined(CONFIG_VTE)
2400     /* vte */
2401     gd_vcs_init(s, group, view_menu);
2402 #endif
2403 
2404     separator = gtk_separator_menu_item_new();
2405     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2406 
2407     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2408     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2409 
2410     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2411     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2412 
2413     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2414             _("Show Menubar"));
2415     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2416                                    !opts->u.gtk.has_show_menubar ||
2417                                    opts->u.gtk.show_menubar);
2418     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2419             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2420     gtk_accel_label_set_accel(
2421             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2422             GDK_KEY_m, HOTKEY_MODIFIERS);
2423     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2424 
2425     return view_menu;
2426 }
2427 
gd_create_menus(GtkDisplayState * s,DisplayOptions * opts)2428 static void gd_create_menus(GtkDisplayState *s, DisplayOptions *opts)
2429 {
2430     GtkSettings *settings;
2431 
2432     s->accel_group = gtk_accel_group_new();
2433     s->machine_menu = gd_create_menu_machine(s);
2434     s->view_menu = gd_create_menu_view(s, opts);
2435 
2436     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2437     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2438                               s->machine_menu);
2439     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2440 
2441     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2442     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2443     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2444 
2445     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2446     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2447 
2448     /* Disable the default "F10" menu shortcut. */
2449     settings = gtk_widget_get_settings(s->window);
2450     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2451 }
2452 
2453 
2454 static gboolean gtkinit;
2455 
gtk_display_init(DisplayState * ds,DisplayOptions * opts)2456 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2457 {
2458     VirtualConsole *vc;
2459 
2460     GtkDisplayState *s;
2461     GdkDisplay *window_display;
2462     GtkIconTheme *theme;
2463     char *dir;
2464     int idx;
2465 
2466     if (!gtkinit) {
2467         fprintf(stderr, "gtk initialization failed\n");
2468         exit(1);
2469     }
2470     assert(opts->type == DISPLAY_TYPE_GTK);
2471     s = g_malloc0(sizeof(*s));
2472     s->opts = opts;
2473 
2474     theme = gtk_icon_theme_get_default();
2475     dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2476     gtk_icon_theme_prepend_search_path(theme, dir);
2477     g_free(dir);
2478     g_set_prgname("qemu");
2479 
2480     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2481     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2482     s->notebook = gtk_notebook_new();
2483     s->menu_bar = gtk_menu_bar_new();
2484 
2485     s->free_scale = FALSE;
2486 
2487     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2488      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2489      * printable, but without changing any of the character classes to make
2490      * sure that we don't accidentally break implicit assumptions.  */
2491     setlocale(LC_MESSAGES, "");
2492     setlocale(LC_CTYPE, "C.UTF-8");
2493     dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2494     bindtextdomain("qemu", dir);
2495     g_free(dir);
2496     bind_textdomain_codeset("qemu", "UTF-8");
2497     textdomain("qemu");
2498 
2499     window_display = gtk_widget_get_display(s->window);
2500     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2501         s->null_cursor = NULL; /* default pointer */
2502     } else {
2503         s->null_cursor = gdk_cursor_new_for_display(window_display,
2504                                                     GDK_BLANK_CURSOR);
2505     }
2506 
2507     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2508     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2509     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2510 
2511     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2512 
2513     gd_create_menus(s, opts);
2514 
2515     gd_connect_signals(s);
2516 
2517     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2518     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2519 
2520     gd_update_caption(s);
2521 
2522     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2523     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2524 
2525     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2526 
2527     gtk_widget_show_all(s->window);
2528 
2529     for (idx = 0;; idx++) {
2530         QemuConsole *con = qemu_console_lookup_by_index(idx);
2531         if (!con) {
2532             break;
2533         }
2534         gtk_widget_realize(s->vc[idx].gfx.drawing_area);
2535     }
2536 
2537     if (opts->u.gtk.has_show_menubar &&
2538         !opts->u.gtk.show_menubar) {
2539         gtk_widget_hide(s->menu_bar);
2540     }
2541 
2542     vc = gd_vc_find_current(s);
2543     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2544 #ifdef CONFIG_VTE
2545     gtk_widget_set_sensitive(s->copy_item,
2546                              vc && vc->type == GD_VC_VTE);
2547 #endif
2548 
2549     if (opts->has_full_screen &&
2550         opts->full_screen) {
2551         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2552     }
2553     if (opts->u.gtk.has_grab_on_hover &&
2554         opts->u.gtk.grab_on_hover) {
2555         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2556     }
2557     if (opts->u.gtk.has_show_tabs &&
2558         opts->u.gtk.show_tabs) {
2559         gtk_menu_item_activate(GTK_MENU_ITEM(s->show_tabs_item));
2560     }
2561 #ifdef CONFIG_GTK_CLIPBOARD
2562     gd_clipboard_init(s);
2563 #endif /* CONFIG_GTK_CLIPBOARD */
2564 
2565     /* GTK's event polling must happen on the main thread. */
2566     qemu_main = NULL;
2567 }
2568 
early_gtk_display_init(DisplayOptions * opts)2569 static void early_gtk_display_init(DisplayOptions *opts)
2570 {
2571     /* The QEMU code relies on the assumption that it's always run in
2572      * the C locale. Therefore it is not prepared to deal with
2573      * operations that produce different results depending on the
2574      * locale, such as printf's formatting of decimal numbers, and
2575      * possibly others.
2576      *
2577      * Since GTK+ calls setlocale() by default -importing the locale
2578      * settings from the environment- we must prevent it from doing so
2579      * using gtk_disable_setlocale().
2580      *
2581      * QEMU's GTK+ UI, however, _does_ have translations for some of
2582      * the menu items. As a trade-off between a functionally correct
2583      * QEMU and a fully internationalized UI we support importing
2584      * LC_MESSAGES from the environment (see the setlocale() call
2585      * earlier in this file). This allows us to display translated
2586      * messages leaving everything else untouched.
2587      */
2588     gtk_disable_setlocale();
2589     gtkinit = gtk_init_check(NULL, NULL);
2590     if (!gtkinit) {
2591         /* don't exit yet, that'll break -help */
2592         return;
2593     }
2594 
2595     assert(opts->type == DISPLAY_TYPE_GTK);
2596     if (opts->has_gl && opts->gl != DISPLAY_GL_MODE_OFF) {
2597 #if defined(CONFIG_OPENGL)
2598 #if defined(GDK_WINDOWING_WAYLAND)
2599         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2600             gtk_use_gl_area = true;
2601             gtk_gl_area_init();
2602         } else
2603 #endif
2604 #if defined(GDK_WINDOWING_WIN32)
2605         if (GDK_IS_WIN32_DISPLAY(gdk_display_get_default())) {
2606             gtk_use_gl_area = true;
2607             gtk_gl_area_init();
2608         } else
2609 #endif
2610         {
2611 #ifdef CONFIG_X11
2612             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAY_GL_MODE_ON;
2613             gtk_egl_init(mode);
2614 #endif
2615         }
2616 #endif
2617     }
2618 
2619     keycode_map = gd_get_keymap(&keycode_maplen);
2620 
2621 #if defined(CONFIG_VTE)
2622     type_register_static(&char_gd_vc_type_info);
2623 #endif
2624 }
2625 
2626 static QemuDisplay qemu_display_gtk = {
2627     .type       = DISPLAY_TYPE_GTK,
2628     .early_init = early_gtk_display_init,
2629     .init       = gtk_display_init,
2630     .vc         = "vc",
2631 };
2632 
register_gtk(void)2633 static void register_gtk(void)
2634 {
2635     qemu_display_register(&qemu_display_gtk);
2636 }
2637 
2638 type_init(register_gtk);
2639 
2640 #ifdef CONFIG_OPENGL
2641 module_dep("ui-opengl");
2642 #endif
2643