ui: add "-display help", gtk refresh rate.

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Merge remote-tracking branch 'remotes/kraxel/tags/ui-20200114-pull-request' into staging

ui: add "-display help", gtk refresh rate.

# gpg: Signature made Tue 14 Jan 2020 10:01:14 GMT
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/ui-20200114-pull-request:
  display/gtk: get proper refreshrate
  ui: Print available display backends with '-display help'

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2020-01-14 16:00:31 +00:00
commit 3a63b24a1b
6 changed files with 36 additions and 1 deletions

View File

@ -442,6 +442,7 @@ void qemu_display_register(QemuDisplay *ui);
bool qemu_display_find_default(DisplayOptions *opts);
void qemu_display_early_init(DisplayOptions *opts);
void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
void qemu_display_help(void);
/* vnc.c */
void vnc_display_init(const char *id, Error **errp);

View File

@ -28,6 +28,8 @@
#include "ui/egl-context.h"
#endif
#define MILLISEC_PER_SEC 1000000
typedef struct GtkDisplayState GtkDisplayState;
typedef struct VirtualGfxConsole {

View File

@ -1669,7 +1669,8 @@ STEXI
@item -display @var{type}
@findex -display
Select type of display to use. This option is a replacement for the
old style -sdl/-curses/... options. Valid values for @var{type} are
old style -sdl/-curses/... options. Use @code{-display help} to list
the available display types. Valid values for @var{type} are
@table @option
@item sdl
Display video output via SDL (usually in a separate graphics

View File

@ -2333,6 +2333,21 @@ void qemu_display_init(DisplayState *ds, DisplayOptions *opts)
dpys[opts->type]->init(ds, opts);
}
void qemu_display_help(void)
{
int idx;
printf("Available display backend types:\n");
for (idx = DISPLAY_TYPE_NONE; idx < DISPLAY_TYPE__MAX; idx++) {
if (!dpys[idx]) {
ui_module_load_one(DisplayType_str(idx));
}
if (dpys[idx]) {
printf("%s\n", DisplayType_str(dpys[idx]->type));
}
}
}
void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp)
{
int val;

View File

@ -1966,6 +1966,11 @@ static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
GSList *group, GtkWidget *view_menu)
{
bool zoom_to_fit = false;
int refresh_rate_millihz;
GdkDisplay *dpy = gtk_widget_get_display(s->window);
GdkWindow *win = gtk_widget_get_window(s->window);
GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
vc->label = qemu_console_get_label(con);
vc->s = s;
@ -2026,6 +2031,12 @@ static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
vc->gfx.kbd = qkbd_state_init(con);
vc->gfx.dcl.con = con;
refresh_rate_millihz = gdk_monitor_get_refresh_rate(monitor);
if (refresh_rate_millihz) {
vc->gfx.dcl.update_interval = MILLISEC_PER_SEC / refresh_rate_millihz;
}
register_displaychangelistener(&vc->gfx.dcl);
gd_connect_vc_gfx_signals(vc);

5
vl.c
View File

@ -1869,6 +1869,11 @@ static void parse_display(const char *p)
{
const char *opts;
if (is_help_option(p)) {
qemu_display_help();
exit(0);
}
if (strstart(p, "sdl", &opts)) {
/*
* sdl DisplayType needs hand-crafted parser instead of