diff options
Diffstat (limited to 'ui/gtk.c')
| -rw-r--r-- | ui/gtk.c | 576 |
1 files changed, 576 insertions, 0 deletions
diff --git a/ui/gtk.c b/ui/gtk.c new file mode 100644 index 0000000..85e7999 --- /dev/null +++ b/ui/gtk.c @@ -0,0 +1,576 @@ +/* + * GTK UI + * + * Copyright IBM, Corp. 2012 + * + * Authors: + * Anthony Liguori <aliguori@us.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + * Portions from gtk-vnc: + * + * GTK VNC Widget + * + * Copyright (C) 2006 Anthony Liguori <anthony@codemonkey.ws> + * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.0 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <gtk/gtk.h> +#include <gdk/gdkkeysyms.h> +#include <vte/vte.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/un.h> +#include <sys/wait.h> +#include <pty.h> +#include <math.h> + +#include "qemu-common.h" +#include "ui/console.h" +#include "sysemu/sysemu.h" +#include "qmp-commands.h" +#include "x_keymap.h" +#include "keymaps.h" + +//#define DEBUG_GTK + +#ifdef DEBUG_GTK +#define DPRINTF(fmt, ...) printf(fmt, ## __VA_ARGS__) +#else +#define DPRINTF(fmt, ...) do { } while (0) +#endif + +typedef struct VirtualConsole +{ + GtkWidget *menu_item; + GtkWidget *terminal; + GtkWidget *scrolled_window; + CharDriverState *chr; + int fd; +} VirtualConsole; + +typedef struct GtkDisplayState +{ + GtkWidget *window; + + GtkWidget *menu_bar; + + GtkWidget *file_menu_item; + GtkWidget *file_menu; + GtkWidget *quit_item; + + GtkWidget *view_menu_item; + GtkWidget *view_menu; + GtkWidget *vga_item; + + GtkWidget *show_tabs_item; + + GtkWidget *vbox; + GtkWidget *notebook; + GtkWidget *drawing_area; + cairo_surface_t *surface; + DisplayChangeListener dcl; + DisplayState *ds; + int button_mask; + int last_x; + int last_y; + + double scale_x; + double scale_y; + + GdkCursor *null_cursor; + Notifier mouse_mode_notifier; +} GtkDisplayState; + +static GtkDisplayState *global_state; + +/** Utility Functions **/ + +static void gd_update_cursor(GtkDisplayState *s, gboolean override) +{ + GdkWindow *window; + bool on_vga; + + window = gtk_widget_get_window(GTK_WIDGET(s->drawing_area)); + + on_vga = (gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook)) == 0); + + if ((override || on_vga) && kbd_mouse_is_absolute()) { + gdk_window_set_cursor(window, s->null_cursor); + } else { + gdk_window_set_cursor(window, NULL); + } +} + +static void gd_update_caption(GtkDisplayState *s) +{ + const char *status = ""; + gchar *title; + + if (!runstate_is_running()) { + status = " [Stopped]"; + } + + if (qemu_name) { + title = g_strdup_printf("QEMU (%s)%s", qemu_name, status); + } else { + title = g_strdup_printf("QEMU%s", status); + } + + gtk_window_set_title(GTK_WINDOW(s->window), title); + + g_free(title); +} + +/** DisplayState Callbacks **/ + +static void gd_update(DisplayState *ds, int x, int y, int w, int h) +{ + GtkDisplayState *s = ds->opaque; + int x1, x2, y1, y2; + + DPRINTF("update(x=%d, y=%d, w=%d, h=%d)\n", x, y, w, h); + + x1 = floor(x * s->scale_x); + y1 = floor(y * s->scale_y); + + x2 = ceil(x * s->scale_x + w * s->scale_x); + y2 = ceil(y * s->scale_y + h * s->scale_y); + + gtk_widget_queue_draw_area(s->drawing_area, x1, y1, (x2 - x1), (y2 - y1)); +} + +static void gd_refresh(DisplayState *ds) +{ + vga_hw_update(); +} + +static void gd_resize(DisplayState *ds) +{ + GtkDisplayState *s = ds->opaque; + cairo_format_t kind; + int stride; + + DPRINTF("resize(width=%d, height=%d)\n", + ds_get_width(ds), ds_get_height(ds)); + + if (s->surface) { + cairo_surface_destroy(s->surface); + } + + switch (ds->surface->pf.bits_per_pixel) { + case 8: + kind = CAIRO_FORMAT_A8; + break; + case 16: + kind = CAIRO_FORMAT_RGB16_565; + break; + case 32: + kind = CAIRO_FORMAT_RGB24; + break; + default: + g_assert_not_reached(); + break; + } + + stride = cairo_format_stride_for_width(kind, ds_get_width(ds)); + g_assert(ds_get_linesize(ds) == stride); + + s->surface = cairo_image_surface_create_for_data(ds_get_data(ds), + kind, + ds_get_width(ds), + ds_get_height(ds), + ds_get_linesize(ds)); + + gtk_widget_set_size_request(s->drawing_area, + ds_get_width(ds) * s->scale_x, + ds_get_height(ds) * s->scale_y); +} + +/** QEMU Events **/ + +static void gd_change_runstate(void *opaque, int running, RunState state) +{ + GtkDisplayState *s = opaque; + + gd_update_caption(s); +} + +static void gd_mouse_mode_change(Notifier *notify, void *data) +{ + gd_update_cursor(container_of(notify, GtkDisplayState, mouse_mode_notifier), + FALSE); +} + +/** GTK Events **/ + +static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event, + void *opaque) +{ + GtkDisplayState *s = opaque; + + if (!no_quit) { + unregister_displaychangelistener(s->ds, &s->dcl); + qmp_quit(NULL); + return FALSE; + } + + return TRUE; +} + +static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque) +{ + GtkDisplayState *s = opaque; + int ww, wh; + int fbw, fbh; + + fbw = ds_get_width(s->ds); + fbh = ds_get_height(s->ds); + + gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh); + + cairo_rectangle(cr, 0, 0, ww, wh); + + if (ww != fbw || wh != fbh) { + s->scale_x = (double)ww / fbw; + s->scale_y = (double)wh / fbh; + cairo_scale(cr, s->scale_x, s->scale_y); + } else { + s->scale_x = 1.0; + s->scale_y = 1.0; + } + + cairo_set_source_surface(cr, s->surface, 0, 0); + cairo_paint(cr); + + return TRUE; +} + +static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose, + void *opaque) +{ + cairo_t *cr; + gboolean ret; + + cr = gdk_cairo_create(gtk_widget_get_window(widget)); + cairo_rectangle(cr, + expose->area.x, + expose->area.y, + expose->area.width, + expose->area.height); + cairo_clip(cr); + + ret = gd_draw_event(widget, cr, opaque); + + cairo_destroy(cr); + + return ret; +} + +static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion, + void *opaque) +{ + GtkDisplayState *s = opaque; + int dx, dy; + int x, y; + + x = motion->x / s->scale_x; + y = motion->y / s->scale_y; + + if (kbd_mouse_is_absolute()) { + dx = x * 0x7FFF / (ds_get_width(s->ds) - 1); + dy = y * 0x7FFF / (ds_get_height(s->ds) - 1); + } else if (s->last_x == -1 || s->last_y == -1) { + dx = 0; + dy = 0; + } else { + dx = x - s->last_x; + dy = y - s->last_y; + } + + s->last_x = x; + s->last_y = y; + + if (kbd_mouse_is_absolute()) { + kbd_mouse_event(dx, dy, 0, s->button_mask); + } + + return TRUE; +} + +static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button, + void *opaque) +{ + GtkDisplayState *s = opaque; + int dx, dy; + int n; + + if (button->button == 1) { + n = 0x01; + } else if (button->button == 2) { + n = 0x04; + } else if (button->button == 3) { + n = 0x02; + } else { + n = 0x00; + } + + if (button->type == GDK_BUTTON_PRESS) { + s->button_mask |= n; + } else if (button->type == GDK_BUTTON_RELEASE) { + s->button_mask &= ~n; + } + + if (kbd_mouse_is_absolute()) { + dx = s->last_x * 0x7FFF / (ds_get_width(s->ds) - 1); + dy = s->last_y * 0x7FFF / (ds_get_height(s->ds) - 1); + } else { + dx = 0; + dy = 0; + } + + kbd_mouse_event(dx, dy, 0, s->button_mask); + + return TRUE; +} + +static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque) +{ + int gdk_keycode; + int qemu_keycode; + + gdk_keycode = key->hardware_keycode; + + if (gdk_keycode < 9) { + qemu_keycode = 0; + } else if (gdk_keycode < 97) { + qemu_keycode = gdk_keycode - 8; + } else if (gdk_keycode < 158) { + qemu_keycode = translate_evdev_keycode(gdk_keycode - 97); + } else if (gdk_keycode == 208) { /* Hiragana_Katakana */ + qemu_keycode = 0x70; + } else if (gdk_keycode == 211) { /* backslash */ + qemu_keycode = 0x73; + } else { + qemu_keycode = 0; + } + + DPRINTF("translated GDK keycode %d to QEMU keycode %d (%s)\n", + gdk_keycode, qemu_keycode, + (key->type == GDK_KEY_PRESS) ? "down" : "up"); + + if (qemu_keycode & SCANCODE_GREY) { + kbd_put_keycode(SCANCODE_EMUL0); + } + + if (key->type == GDK_KEY_PRESS) { + kbd_put_keycode(qemu_keycode & SCANCODE_KEYCODEMASK); + } else if (key->type == GDK_KEY_RELEASE) { + kbd_put_keycode(qemu_keycode | SCANCODE_UP); + } else { + g_assert_not_reached(); + } + + return TRUE; +} + +/** Window Menu Actions **/ + +static void gd_menu_quit(GtkMenuItem *item, void *opaque) +{ + qmp_quit(NULL); +} + +static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque) +{ + GtkDisplayState *s = opaque; + + if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->vga_item))) { + gtk_notebook_set_current_page(GTK_NOTEBOOK(s->notebook), 0); + } +} + +static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque) +{ + GtkDisplayState *s = opaque; + + if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) { + gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE); + } else { + gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE); + } +} + +static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2, + gpointer data) +{ + GtkDisplayState *s = data; + + if (!gtk_widget_get_realized(s->notebook)) { + return; + } + + gd_update_cursor(s, TRUE); +} + +void early_gtk_display_init(void) +{ +} + +/** Window Creation **/ + +static void gd_connect_signals(GtkDisplayState *s) +{ + g_signal_connect(s->show_tabs_item, "activate", + G_CALLBACK(gd_menu_show_tabs), s); + + g_signal_connect(s->window, "delete-event", + G_CALLBACK(gd_window_close), s); + + g_signal_connect(s->drawing_area, "expose-event", + G_CALLBACK(gd_expose_event), s); + g_signal_connect(s->drawing_area, "motion-notify-event", + G_CALLBACK(gd_motion_event), s); + g_signal_connect(s->drawing_area, "button-press-event", + G_CALLBACK(gd_button_event), s); + g_signal_connect(s->drawing_area, "button-release-event", + G_CALLBACK(gd_button_event), s); + g_signal_connect(s->drawing_area, "key-press-event", + G_CALLBACK(gd_key_event), s); + g_signal_connect(s->drawing_area, "key-release-event", + G_CALLBACK(gd_key_event), s); + + g_signal_connect(s->quit_item, "activate", + G_CALLBACK(gd_menu_quit), s); + g_signal_connect(s->vga_item, "activate", + G_CALLBACK(gd_menu_switch_vc), s); + g_signal_connect(s->notebook, "switch-page", + G_CALLBACK(gd_change_page), s); +} + +static void gd_create_menus(GtkDisplayState *s) +{ + GtkStockItem item; + GtkAccelGroup *accel_group; + GSList *group = NULL; + GtkWidget *separator; + + accel_group = gtk_accel_group_new(); + s->file_menu = gtk_menu_new(); + gtk_menu_set_accel_group(GTK_MENU(s->file_menu), accel_group); + s->file_menu_item = gtk_menu_item_new_with_mnemonic("_File"); + + s->quit_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_QUIT, NULL); + gtk_stock_lookup(GTK_STOCK_QUIT, &item); + gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item), + "<QEMU>/File/Quit"); + gtk_accel_map_add_entry("<QEMU>/File/Quit", item.keyval, item.modifier); + + s->view_menu = gtk_menu_new(); + gtk_menu_set_accel_group(GTK_MENU(s->view_menu), accel_group); + s->view_menu_item = gtk_menu_item_new_with_mnemonic("_View"); + + separator = gtk_separator_menu_item_new(); + gtk_menu_append(GTK_MENU(s->view_menu), separator); + + s->vga_item = gtk_radio_menu_item_new_with_mnemonic(group, "_VGA"); + group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(s->vga_item)); + gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->vga_item), + "<QEMU>/View/VGA"); + gtk_accel_map_add_entry("<QEMU>/View/VGA", GDK_KEY_1, GDK_CONTROL_MASK | GDK_MOD1_MASK); + gtk_menu_append(GTK_MENU(s->view_menu), s->vga_item); + + separator = gtk_separator_menu_item_new(); + gtk_menu_append(GTK_MENU(s->view_menu), separator); + + s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic("Show _Tabs"); + gtk_menu_append(GTK_MENU(s->view_menu), s->show_tabs_item); + + g_object_set_data(G_OBJECT(s->window), "accel_group", accel_group); + gtk_window_add_accel_group(GTK_WINDOW(s->window), accel_group); + + gtk_menu_append(GTK_MENU(s->file_menu), s->quit_item); + gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->file_menu_item), s->file_menu); + gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->file_menu_item); + + gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu); + gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item); +} + +void gtk_display_init(DisplayState *ds) +{ + GtkDisplayState *s = g_malloc0(sizeof(*s)); + + gtk_init(NULL, NULL); + + ds->opaque = s; + s->ds = ds; + s->dcl.dpy_gfx_update = gd_update; + s->dcl.dpy_gfx_resize = gd_resize; + s->dcl.dpy_refresh = gd_refresh; + + s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); + s->vbox = gtk_vbox_new(FALSE, 0); + s->notebook = gtk_notebook_new(); + s->drawing_area = gtk_drawing_area_new(); + s->menu_bar = gtk_menu_bar_new(); + + s->scale_x = 1.0; + s->scale_y = 1.0; + + s->null_cursor = gdk_cursor_new(GDK_BLANK_CURSOR); + + s->mouse_mode_notifier.notify = gd_mouse_mode_change; + qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier); + qemu_add_vm_change_state_handler(gd_change_runstate, s); + + gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), s->drawing_area, gtk_label_new("VGA")); + + gd_create_menus(s); + + gd_connect_signals(s); + + gtk_widget_add_events(s->drawing_area, + GDK_POINTER_MOTION_MASK | + GDK_BUTTON_PRESS_MASK | + GDK_BUTTON_RELEASE_MASK | + GDK_BUTTON_MOTION_MASK | + GDK_SCROLL_MASK | + GDK_KEY_PRESS_MASK); + gtk_widget_set_double_buffered(s->drawing_area, FALSE); + gtk_widget_set_can_focus(s->drawing_area, TRUE); + + gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE); + gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE); + + gtk_window_set_resizable(GTK_WINDOW(s->window), FALSE); + + gd_update_caption(s); + + gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0); + gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0); + + gtk_container_add(GTK_CONTAINER(s->window), s->vbox); + + gtk_widget_show_all(s->window); + + register_displaychangelistener(ds, &s->dcl); + + global_state = s; +} |