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kvmtool/ui/gtk3.c
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Andre Przywara 369c27e683 ui: remove pointless double const in keymap declarations 
clang does not like two const specifiers in one declaration, so
remove one to let clang compile kvmtool.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2015-07-20 18:25:48 +01:00

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#include "kvm/gtk3.h"
#include "kvm/framebuffer.h"
#include "kvm/kvm-cpu.h"
#include "kvm/i8042.h"
#include "kvm/vesa.h"
#include "kvm/kvm.h"
#include <gtk/gtk.h>
#include <pthread.h>
#include <linux/err.h>
#define FRAME_RATE 25
#define SCANCODE_UNKNOWN 0
#define SCANCODE_NORMAL 1
#define SCANCODE_ESCAPED 2
#define SCANCODE_KEY_PAUSE 3
#define SCANCODE_KEY_PRNTSCRN 4
struct set2_scancode {
u8 code;
u8 type;
};
#define DEFINE_SC(_code) { \
.code = _code, \
.type = SCANCODE_NORMAL, \
}
/* escaped scancodes */
#define DEFINE_ESC(_code) { \
.code = _code, \
.type = SCANCODE_ESCAPED, \
}
static const struct set2_scancode keymap[256] = {
[9] = DEFINE_SC(0x76), /* <esc> */
[10] = DEFINE_SC(0x16), /* 1 */
[11] = DEFINE_SC(0x1e), /* 2 */
[12] = DEFINE_SC(0x26), /* 3 */
[13] = DEFINE_SC(0x25), /* 4 */
[14] = DEFINE_SC(0x2e), /* 5 */
[15] = DEFINE_SC(0x36), /* 6 */
[16] = DEFINE_SC(0x3d), /* 7 */
[17] = DEFINE_SC(0x3e), /* 8 */
[18] = DEFINE_SC(0x46), /* 9 */
[19] = DEFINE_SC(0x45), /* 9 */
[20] = DEFINE_SC(0x4e), /* - */
[21] = DEFINE_SC(0x55), /* + */
[22] = DEFINE_SC(0x66), /* <backspace> */
[23] = DEFINE_SC(0x0d), /* <tab> */
[24] = DEFINE_SC(0x15), /* q */
[25] = DEFINE_SC(0x1d), /* w */
[26] = DEFINE_SC(0x24), /* e */
[27] = DEFINE_SC(0x2d), /* r */
[28] = DEFINE_SC(0x2c), /* t */
[29] = DEFINE_SC(0x35), /* y */
[30] = DEFINE_SC(0x3c), /* u */
[31] = DEFINE_SC(0x43), /* i */
[32] = DEFINE_SC(0x44), /* o */
[33] = DEFINE_SC(0x4d), /* p */
[34] = DEFINE_SC(0x54), /* [ */
[35] = DEFINE_SC(0x5b), /* ] */
[36] = DEFINE_SC(0x5a), /* <enter> */
[37] = DEFINE_SC(0x14), /* <left ctrl> */
[38] = DEFINE_SC(0x1c), /* a */
[39] = DEFINE_SC(0x1b), /* s */
[40] = DEFINE_SC(0x23), /* d */
[41] = DEFINE_SC(0x2b), /* f */
[42] = DEFINE_SC(0x34), /* g */
[43] = DEFINE_SC(0x33), /* h */
[44] = DEFINE_SC(0x3b), /* j */
[45] = DEFINE_SC(0x42), /* k */
[46] = DEFINE_SC(0x4b), /* l */
[47] = DEFINE_SC(0x4c), /* ; */
[48] = DEFINE_SC(0x52), /* ' */
[49] = DEFINE_SC(0x0e), /* ` */
[50] = DEFINE_SC(0x12), /* <left shift> */
[51] = DEFINE_SC(0x5d), /* \ */
[52] = DEFINE_SC(0x1a), /* z */
[53] = DEFINE_SC(0x22), /* x */
[54] = DEFINE_SC(0x21), /* c */
[55] = DEFINE_SC(0x2a), /* v */
[56] = DEFINE_SC(0x32), /* b */
[57] = DEFINE_SC(0x31), /* n */
[58] = DEFINE_SC(0x3a), /* m */
[59] = DEFINE_SC(0x41), /* < */
[60] = DEFINE_SC(0x49), /* > */
[61] = DEFINE_SC(0x4a), /* / */
[62] = DEFINE_SC(0x59), /* <right shift> */
[63] = DEFINE_SC(0x7c), /* keypad * */
[64] = DEFINE_SC(0x11), /* <left alt> */
[65] = DEFINE_SC(0x29), /* <space> */
[67] = DEFINE_SC(0x05), /* <F1> */
[68] = DEFINE_SC(0x06), /* <F2> */
[69] = DEFINE_SC(0x04), /* <F3> */
[70] = DEFINE_SC(0x0c), /* <F4> */
[71] = DEFINE_SC(0x03), /* <F5> */
[72] = DEFINE_SC(0x0b), /* <F6> */
[73] = DEFINE_SC(0x83), /* <F7> */
[74] = DEFINE_SC(0x0a), /* <F8> */
[75] = DEFINE_SC(0x01), /* <F9> */
[76] = DEFINE_SC(0x09), /* <F10> */
[79] = DEFINE_SC(0x6c), /* keypad 7 */
[80] = DEFINE_SC(0x75), /* keypad 8 */
[81] = DEFINE_SC(0x7d), /* keypad 9 */
[82] = DEFINE_SC(0x7b), /* keypad - */
[83] = DEFINE_SC(0x6b), /* keypad 4 */
[84] = DEFINE_SC(0x73), /* keypad 5 */
[85] = DEFINE_SC(0x74), /* keypad 6 */
[86] = DEFINE_SC(0x79), /* keypad + */
[87] = DEFINE_SC(0x69), /* keypad 1 */
[88] = DEFINE_SC(0x72), /* keypad 2 */
[89] = DEFINE_SC(0x7a), /* keypad 3 */
[90] = DEFINE_SC(0x70), /* keypad 0 */
[91] = DEFINE_SC(0x71), /* keypad . */
[94] = DEFINE_SC(0x61), /* <INT 1> */
[95] = DEFINE_SC(0x78), /* <F11> */
[96] = DEFINE_SC(0x07), /* <F12> */
[104] = DEFINE_ESC(0x5a), /* keypad <enter> */
[105] = DEFINE_ESC(0x14), /* <right ctrl> */
[106] = DEFINE_ESC(0x4a), /* keypad / */
[108] = DEFINE_ESC(0x11), /* <right alt> */
[110] = DEFINE_ESC(0x6c), /* <home> */
[111] = DEFINE_ESC(0x75), /* <up> */
[112] = DEFINE_ESC(0x7d), /* <pag up> */
[113] = DEFINE_ESC(0x6b), /* <left> */
[114] = DEFINE_ESC(0x74), /* <right> */
[115] = DEFINE_ESC(0x69), /* <end> */
[116] = DEFINE_ESC(0x72), /* <down> */
[117] = DEFINE_ESC(0x7a), /* <pag down> */
[118] = DEFINE_ESC(0x70), /* <ins> */
[119] = DEFINE_ESC(0x71), /* <delete> */
};
static cairo_surface_t *surface;
static bool done;
static const struct set2_scancode *to_code(u8 scancode)
{
return &keymap[scancode];
}
static gboolean
kvm_gtk_configure_event(GtkWidget * widget, GdkEventConfigure * event, gpointer data)
{
struct framebuffer *fb = data;
int stride;
if (surface)
cairo_surface_destroy(surface);
stride = cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, fb->width);
surface =
cairo_image_surface_create_for_data((void *) fb->mem,
CAIRO_FORMAT_RGB24,
fb->width,
fb->height,
stride);
return TRUE;
}
static gboolean kvm_gtk_draw(GtkWidget *widget, cairo_t *cr, gpointer data)
{
cairo_set_source_surface(cr, surface, 0, 0);
cairo_paint(cr);
return FALSE;
}
static void kvm_gtk_destroy(void)
{
if (surface)
cairo_surface_destroy(surface);
gtk_main_quit();
}
static gboolean kvm_gtk_redraw(GtkWidget * window)
{
gtk_widget_queue_draw(window);
return TRUE;
}
static gboolean
kvm_gtk_key_press(GtkWidget *widget, GdkEventKey *event, gpointer user_data)
{
const struct set2_scancode *sc = to_code(event->hardware_keycode);
switch (sc->type) {
case SCANCODE_ESCAPED:
kbd_queue(0xe0);
/* fallthrough */
case SCANCODE_NORMAL:
kbd_queue(sc->code);
break;
case SCANCODE_KEY_PAUSE:
kbd_queue(0xe1);
kbd_queue(0x14);
kbd_queue(0x77);
kbd_queue(0xe1);
kbd_queue(0xf0);
kbd_queue(0x14);
kbd_queue(0x77);
break;
case SCANCODE_KEY_PRNTSCRN:
kbd_queue(0xe0);
kbd_queue(0x12);
kbd_queue(0xe0);
kbd_queue(0x7c);
break;
}
return TRUE;
}
static void *kvm_gtk_thread(void *p)
{
struct framebuffer *fb = p;
GtkWidget *window;
GtkWidget *frame;
GtkWidget *da;
gtk_init(NULL, NULL);
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window), "VM");
g_signal_connect(window, "destroy", G_CALLBACK(kvm_gtk_destroy), NULL);
gtk_container_set_border_width(GTK_CONTAINER(window), 8);
frame = gtk_frame_new(NULL);
gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
gtk_container_add(GTK_CONTAINER(window), frame);
da = gtk_drawing_area_new();
gtk_widget_set_size_request(da, 100, 100);
gtk_container_add(GTK_CONTAINER(frame), da);
g_signal_connect(da, "draw", G_CALLBACK(kvm_gtk_draw), NULL);
g_signal_connect(da, "configure-event",
G_CALLBACK(kvm_gtk_configure_event), fb);
g_signal_connect(G_OBJECT (window), "key_press_event", G_CALLBACK(kvm_gtk_key_press), NULL);
gtk_widget_set_events(da, gtk_widget_get_events(da)
| GDK_BUTTON_PRESS_MASK
| GDK_POINTER_MOTION_MASK
| GDK_POINTER_MOTION_HINT_MASK);
gtk_widget_show_all(window);
g_timeout_add(1000 / FRAME_RATE, (GSourceFunc) kvm_gtk_redraw, window);
gtk_main();
done = true;
return NULL;
}
static int kvm_gtk_start(struct framebuffer *fb)
{
pthread_t thread;
if (pthread_create(&thread, NULL, kvm_gtk_thread, fb) != 0)
return -1;
return 0;
}
static int kvm_gtk_stop(struct framebuffer *fb)
{
gtk_main_quit();
while (!done)
sleep(0);
return 0;
}
static struct fb_target_operations kvm_gtk_ops = {
.start = kvm_gtk_start,
.stop = kvm_gtk_stop,
};
int kvm_gtk_init(struct kvm *kvm)
{
struct framebuffer *fb;
if (!kvm->cfg.gtk)
return 0;
fb = vesa__init(kvm);
if (IS_ERR(fb)) {
pr_err("vesa__init() failed with error %ld\n", PTR_ERR(fb));
return PTR_ERR(fb);
}
return fb__attach(fb, &kvm_gtk_ops);
}
int kvm_gtk_exit(struct kvm *kvm)
{
if (kvm->cfg.gtk)
return kvm_gtk_stop(NULL);
return 0;
}
dev_init(kvm_gtk_init);
dev_exit(kvm_gtk_exit);
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