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gtk2/gdk/wayland/gdkscreen-wayland.c
Matthias Clasen d14305f380 wayland: Survive lack of settings 
This can be made to happen eg by setting XDG_DATA_DIRS and
XDG_DATA_HOME to /. Not a useful value, but not a good reason
to crash either.
2016-05-19 07:38:33 -04:00

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/*
* Copyright © 2010 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include <gio/gio.h>
#include "gdkscreenprivate.h"
#include "gdkvisualprivate.h"
#include "gdkdisplay.h"
#include "gdkdisplay-wayland.h"
#include "gdkmonitor-wayland.h"
#include "gdkwayland.h"
#include "gdkprivate-wayland.h"
#include "wm-button-layout-translation.h"
typedef struct _GdkWaylandScreen GdkWaylandScreen;
typedef struct _GdkWaylandScreenClass GdkWaylandScreenClass;
#define GDK_TYPE_WAYLAND_SCREEN (_gdk_wayland_screen_get_type ())
#define GDK_WAYLAND_SCREEN(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_WAYLAND_SCREEN, GdkWaylandScreen))
#define GDK_WAYLAND_SCREEN_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_WAYLAND_SCREEN, GdkWaylandScreenClass))
#define GDK_IS_WAYLAND_SCREEN(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_WAYLAND_SCREEN))
#define GDK_IS_WAYLAND_SCREEN_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_WAYLAND_SCREEN))
#define GDK_WAYLAND_SCREEN_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_WAYLAND_SCREEN, GdkWaylandScreenClass))
typedef struct {
gboolean antialias;
gboolean hinting;
gint dpi;
const gchar *rgba;
const gchar *hintstyle;
} GsdXftSettings;
struct _GdkWaylandScreen
{
GdkScreen parent_instance;
GdkDisplay *display;
GdkWindow *root_window;
int width, height;
int width_mm, height_mm;
/* Visual Part */
GdkVisual *visual;
GHashTable *settings;
GsdXftSettings xft_settings;
guint32 shell_capabilities;
};
struct _GdkWaylandScreenClass
{
GdkScreenClass parent_class;
};
#define OUTPUT_VERSION_WITH_DONE 2
GType _gdk_wayland_screen_get_type (void);
G_DEFINE_TYPE (GdkWaylandScreen, _gdk_wayland_screen, GDK_TYPE_SCREEN)
static void
gdk_wayland_screen_dispose (GObject *object)
{
GdkWaylandScreen *screen_wayland = GDK_WAYLAND_SCREEN (object);
if (screen_wayland->root_window)
_gdk_window_destroy (screen_wayland->root_window, FALSE);
G_OBJECT_CLASS (_gdk_wayland_screen_parent_class)->dispose (object);
}
static void
gdk_wayland_screen_finalize (GObject *object)
{
GdkWaylandScreen *screen_wayland = GDK_WAYLAND_SCREEN (object);
if (screen_wayland->root_window)
g_object_unref (screen_wayland->root_window);
g_object_unref (screen_wayland->visual);
g_hash_table_destroy (screen_wayland->settings);
G_OBJECT_CLASS (_gdk_wayland_screen_parent_class)->finalize (object);
}
static GdkDisplay *
gdk_wayland_screen_get_display (GdkScreen *screen)
{
return GDK_WAYLAND_SCREEN (screen)->display;
}
static gint
gdk_wayland_screen_get_width (GdkScreen *screen)
{
return GDK_WAYLAND_SCREEN (screen)->width;
}
static gint
gdk_wayland_screen_get_height (GdkScreen *screen)
{
return GDK_WAYLAND_SCREEN (screen)->height;
}
static gint
gdk_wayland_screen_get_width_mm (GdkScreen *screen)
{
return GDK_WAYLAND_SCREEN (screen)->width_mm;
}
static gint
gdk_wayland_screen_get_height_mm (GdkScreen *screen)
{
return GDK_WAYLAND_SCREEN (screen)->height_mm;
}
static gint
gdk_wayland_screen_get_number (GdkScreen *screen)
{
return 0;
}
static GdkWindow *
gdk_wayland_screen_get_root_window (GdkScreen *screen)
{
return GDK_WAYLAND_SCREEN (screen)->root_window;
}
static GdkVisual *
gdk_wayland_screen_get_system_visual (GdkScreen * screen)
{
return (GdkVisual *) GDK_WAYLAND_SCREEN (screen)->visual;
}
static GdkVisual *
gdk_wayland_screen_get_rgba_visual (GdkScreen *screen)
{
return (GdkVisual *) GDK_WAYLAND_SCREEN (screen)->visual;
}
static gboolean
gdk_wayland_screen_is_composited (GdkScreen *screen)
{
return TRUE;
}
static gchar *
gdk_wayland_screen_make_display_name (GdkScreen *screen)
{
return g_strdup (gdk_display_get_name (GDK_WAYLAND_SCREEN (screen)->display));
}
static GdkWindow *
gdk_wayland_screen_get_active_window (GdkScreen *screen)
{
return NULL;
}
static GList *
gdk_wayland_screen_get_window_stack (GdkScreen *screen)
{
return NULL;
}
static void
gdk_wayland_screen_broadcast_client_message (GdkScreen *screen,
GdkEvent *event)
{
}
static void
notify_setting (GdkScreen *screen,
const gchar *setting)
{
GdkEvent event;
event.type = GDK_SETTING;
event.setting.window = gdk_screen_get_root_window (screen);
event.setting.send_event = FALSE;
event.setting.action = GDK_SETTING_ACTION_CHANGED;
event.setting.name = (gchar *)setting;
gdk_event_put (&event);
}
typedef enum
{
GSD_FONT_ANTIALIASING_MODE_NONE,
GSD_FONT_ANTIALIASING_MODE_GRAYSCALE,
GSD_FONT_ANTIALIASING_MODE_RGBA
} GsdFontAntialiasingMode;
typedef enum
{
GSD_FONT_HINTING_NONE,
GSD_FONT_HINTING_SLIGHT,
GSD_FONT_HINTING_MEDIUM,
GSD_FONT_HINTING_FULL
} GsdFontHinting;
typedef enum
{
GSD_FONT_RGBA_ORDER_RGBA,
GSD_FONT_RGBA_ORDER_RGB,
GSD_FONT_RGBA_ORDER_BGR,
GSD_FONT_RGBA_ORDER_VRGB,
GSD_FONT_RGBA_ORDER_VBGR
} GsdFontRgbaOrder;
static gdouble
get_dpi_from_gsettings (GdkWaylandScreen *screen_wayland)
{
GSettings *settings;
gdouble factor;
settings = g_hash_table_lookup (screen_wayland->settings,
"org.gnome.desktop.interface");
if (settings != NULL)
factor = g_settings_get_double (settings, "text-scaling-factor");
else
factor = 1.0;
return 96.0 * factor;
}
static void
update_xft_settings (GdkScreen *screen)
{
GdkWaylandScreen *screen_wayland = GDK_WAYLAND_SCREEN (screen);
GSettings *settings;
GsdFontAntialiasingMode antialiasing;
GsdFontHinting hinting;
GsdFontRgbaOrder order;
gboolean use_rgba = FALSE;
GsdXftSettings xft_settings;
settings = g_hash_table_lookup (screen_wayland->settings, "org.gnome.settings-daemon.plugins.xsettings");
if (settings)
{
antialiasing = g_settings_get_enum (settings, "antialiasing");
hinting = g_settings_get_enum (settings, "hinting");
order = g_settings_get_enum (settings, "rgba-order");
}
else
{
antialiasing = GSD_FONT_ANTIALIASING_MODE_GRAYSCALE;
hinting = GSD_FONT_HINTING_MEDIUM;
order = GSD_FONT_RGBA_ORDER_RGB;
}
xft_settings.antialias = (antialiasing != GSD_FONT_ANTIALIASING_MODE_NONE);
xft_settings.hinting = (hinting != GSD_FONT_HINTING_NONE);
xft_settings.dpi = get_dpi_from_gsettings (screen_wayland) * 1024; /* Xft wants 1/1024ths of an inch */
xft_settings.rgba = "rgb";
xft_settings.hintstyle = "hintfull";
switch (hinting)
{
case GSD_FONT_HINTING_NONE:
xft_settings.hintstyle = "hintnone";
break;
case GSD_FONT_HINTING_SLIGHT:
xft_settings.hintstyle = "hintslight";
break;
case GSD_FONT_HINTING_MEDIUM:
xft_settings.hintstyle = "hintmedium";
break;
case GSD_FONT_HINTING_FULL:
xft_settings.hintstyle = "hintfull";
break;
}
switch (order)
{
case GSD_FONT_RGBA_ORDER_RGBA:
xft_settings.rgba = "rgba";
break;
case GSD_FONT_RGBA_ORDER_RGB:
xft_settings.rgba = "rgb";
break;
case GSD_FONT_RGBA_ORDER_BGR:
xft_settings.rgba = "bgr";
break;
case GSD_FONT_RGBA_ORDER_VRGB:
xft_settings.rgba = "vrgb";
break;
case GSD_FONT_RGBA_ORDER_VBGR:
xft_settings.rgba = "vbgr";
break;
}
switch (antialiasing)
{
case GSD_FONT_ANTIALIASING_MODE_NONE:
xft_settings.antialias = FALSE;
break;
case GSD_FONT_ANTIALIASING_MODE_GRAYSCALE:
xft_settings.antialias = TRUE;
break;
case GSD_FONT_ANTIALIASING_MODE_RGBA:
xft_settings.antialias = TRUE;
use_rgba = TRUE;
}
if (!use_rgba)
xft_settings.rgba = "none";
if (screen_wayland->xft_settings.antialias != xft_settings.antialias)
{
screen_wayland->xft_settings.antialias = xft_settings.antialias;
notify_setting (screen, "gtk-xft-antialias");
}
if (screen_wayland->xft_settings.hinting != xft_settings.hinting)
{
screen_wayland->xft_settings.hinting = xft_settings.hinting;
notify_setting (screen, "gtk-xft-hinting");
}
if (screen_wayland->xft_settings.hintstyle != xft_settings.hintstyle)
{
screen_wayland->xft_settings.hintstyle = xft_settings.hintstyle;
notify_setting (screen, "gtk-xft-hintstyle");
}
if (screen_wayland->xft_settings.rgba != xft_settings.rgba)
{
screen_wayland->xft_settings.rgba = xft_settings.rgba;
notify_setting (screen, "gtk-xft-rgba");
}
if (screen_wayland->xft_settings.dpi != xft_settings.dpi)
{
double dpi = xft_settings.dpi / 1024.;
const char *scale_env;
double scale;
screen_wayland->xft_settings.dpi = xft_settings.dpi;
scale_env = g_getenv ("GDK_DPI_SCALE");
if (scale_env)
{
scale = g_ascii_strtod (scale_env, NULL);
if (scale != 0 && dpi > 0)
dpi *= scale;
}
_gdk_screen_set_resolution (screen, dpi);
notify_setting (screen, "gtk-xft-dpi");
}
}
#define WM_SETTINGS_SCHEMA "org.gnome.desktop.wm.preferences"
#define CLASSIC_WM_SETTINGS_SCHEMA "org.gnome.shell.extensions.classic-overrides"
typedef struct _TranslationEntry TranslationEntry;
struct _TranslationEntry {
const gchar *schema;
const gchar *key;
const gchar *setting;
GType type;
union {
const gchar *s;
gint i;
gboolean b;
} fallback;
};
static TranslationEntry translations[] = {
{ "org.gnome.desktop.interface", "gtk-theme", "gtk-theme-name" , G_TYPE_STRING, { .s = "Adwaita" } },
{ "org.gnome.desktop.interface", "icon-theme", "gtk-icon-theme-name", G_TYPE_STRING, { .s = "gnome" } },
{ "org.gnome.desktop.interface", "cursor-theme", "gtk-cursor-theme-name", G_TYPE_STRING, { .s = "Adwaita" } },
{ "org.gnome.desktop.interface", "cursor-size", "gtk-cursor-theme-size", G_TYPE_INT, { .i = 32 } },
{ "org.gnome.desktop.interface", "font-name", "gtk-font-name", G_TYPE_STRING, { .s = "Cantarell 11" } },
{ "org.gnome.desktop.interface", "cursor-blink", "gtk-cursor-blink", G_TYPE_BOOLEAN, { .b = TRUE } },
{ "org.gnome.desktop.interface", "cursor-blink-time", "gtk-cursor-blink-time", G_TYPE_INT, { .i = 1200 } },
{ "org.gnome.desktop.interface", "cursor-blink-timeout", "gtk-cursor-blink-timeout", G_TYPE_INT, { .i = 3600 } },
{ "org.gnome.desktop.interface", "gtk-im-module", "gtk-im-module", G_TYPE_STRING, { .s = "simple" } },
{ "org.gnome.desktop.interface", "enable-animations", "gtk-enable-animations", G_TYPE_BOOLEAN, { .b = TRUE } },
{ "org.gnome.settings-daemon.peripherals.mouse", "double-click", "gtk-double-click-time", G_TYPE_INT, { .i = 400 } },
{ "org.gnome.settings-daemon.peripherals.mouse", "drag-threshold", "gtk-dnd-drag-threshold", G_TYPE_INT, {.i = 8 } },
{ "org.gnome.desktop.sound", "theme-name", "gtk-sound-theme-name", G_TYPE_STRING, { .s = "freedesktop" } },
{ "org.gnome.desktop.sound", "event-sounds", "gtk-enable-event-sounds", G_TYPE_BOOLEAN, { .b = TRUE } },
{ "org.gnome.desktop.sound", "input-feedback-sounds", "gtk-enable-input-feedback-sounds", G_TYPE_BOOLEAN, { . b = FALSE } },
{ "org.gnome.desktop.privacy", "recent-files-max-age", "gtk-recent-files-max-age", G_TYPE_INT, { .i = 30 } },
{ "org.gnome.desktop.privacy", "remember-recent-files", "gtk-recent-files-enabled", G_TYPE_BOOLEAN, { .b = TRUE } },
{ WM_SETTINGS_SCHEMA, "button-layout", "gtk-decoration-layout", G_TYPE_STRING, { .s = "menu:close" } },
{ CLASSIC_WM_SETTINGS_SCHEMA, "button-layout", "gtk-decoration-layout", G_TYPE_STRING, { .s = "menu:close" } },
{ "org.gnome.settings-daemon.plugins.xsettings", "antialiasing", "gtk-xft-antialias", G_TYPE_NONE, { .i = 0 } },
{ "org.gnome.settings-daemon.plugins.xsettings", "hinting", "gtk-xft-hinting", G_TYPE_NONE, { .i = 0 } },
{ "org.gnome.settings-daemon.plugins.xsettings", "hinting", "gtk-xft-hintstyle", G_TYPE_NONE, { .i = 0 } },
{ "org.gnome.settings-daemon.plugins.xsettings", "rgba-order", "gtk-xft-rgba", G_TYPE_NONE, { .i = 0 } },
{ "org.gnome.desktop.interface", "text-scaling-factor", "gtk-xft-dpi" , G_TYPE_NONE, { .i = 0 } },
{ "org.gnome.desktop.wm.preferences", "action-double-click-titlebar", "gtk-titlebar-double-click", G_TYPE_STRING, { .s = "toggle-maximize" } },
{ "org.gnome.desktop.wm.preferences", "action-middle-click-titlebar", "gtk-titlebar-middle-click", G_TYPE_STRING, { .s = "none" } },
{ "org.gnome.desktop.wm.preferences", "action-right-click-titlebar", "gtk-titlebar-right-click", G_TYPE_STRING, { .s = "menu" } },
{ "org.gnome.desktop.a11y", "always-show-text-caret", "gtk-keynav-use-caret", G_TYPE_BOOLEAN, { .b = FALSE } }
};
static TranslationEntry *
find_translation_entry_by_key (GSettings *settings,
const gchar *key)
{
guint i;
gchar *schema;
g_object_get (settings, "schema", &schema, NULL);
for (i = 0; i < G_N_ELEMENTS (translations); i++)
{
if (g_str_equal (schema, translations[i].schema) &&
g_str_equal (key, translations[i].key))
{
g_free (schema);
return &translations[i];
}
}
g_free (schema);
return NULL;
}
static TranslationEntry *
find_translation_entry_by_setting (const gchar *setting)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (translations); i++)
{
if (g_str_equal (setting, translations[i].setting))
return &translations[i];
}
return NULL;
}
static void
settings_changed (GSettings *settings,
const gchar *key,
GdkScreen *screen)
{
TranslationEntry *entry;
entry = find_translation_entry_by_key (settings, key);
if (entry != NULL)
{
if (entry->type != G_TYPE_NONE)
notify_setting (screen, entry->setting);
else
update_xft_settings (screen);
}
}
static void
init_settings (GdkScreen *screen)
{
GdkWaylandScreen *screen_wayland = GDK_WAYLAND_SCREEN (screen);
GSettingsSchemaSource *source;
GSettingsSchema *schema;
GSettings *settings;
gint i;
screen_wayland->settings = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, g_object_unref);
source = g_settings_schema_source_get_default ();
if (source == NULL)
return;
for (i = 0; i < G_N_ELEMENTS (translations); i++)
{
if (g_hash_table_lookup (screen_wayland->settings, (gpointer)translations[i].schema) != NULL)
continue;
schema = g_settings_schema_source_lookup (source, translations[i].schema, TRUE);
if (schema != NULL)
{
settings = g_settings_new_full (schema, NULL, NULL);
g_signal_connect (settings, "changed",
G_CALLBACK (settings_changed), screen);
g_hash_table_insert (screen_wayland->settings, (gpointer)translations[i].schema, settings);
g_settings_schema_unref (schema);
}
}
update_xft_settings (screen);
}
static void
gtk_shell_handle_capabilities (void *data,
struct gtk_shell1 *shell,
uint32_t capabilities)
{
GdkScreen *screen = data;
GdkWaylandScreen *screen_wayland = GDK_WAYLAND_SCREEN (data);
screen_wayland->shell_capabilities = capabilities;
notify_setting (screen, "gtk-shell-shows-app-menu");
notify_setting (screen, "gtk-shell-shows-menubar");
notify_setting (screen, "gtk-shell-shows-desktop");
}
struct gtk_shell1_listener gdk_screen_gtk_shell_listener = {
gtk_shell_handle_capabilities
};
void
_gdk_wayland_screen_set_has_gtk_shell (GdkScreen *screen)
{
GdkWaylandDisplay *display_wayland =
GDK_WAYLAND_DISPLAY (GDK_WAYLAND_SCREEN (screen)->display);
gtk_shell1_add_listener (display_wayland->gtk_shell,
&gdk_screen_gtk_shell_listener,
screen);
}
static void
set_value_from_entry (GdkScreen *screen,
TranslationEntry *entry,
GValue *value)
{
GdkWaylandScreen *screen_wayland = GDK_WAYLAND_SCREEN (screen);
GSettings *settings;
settings = (GSettings *)g_hash_table_lookup (screen_wayland->settings, entry->schema);
switch (entry->type)
{
case G_TYPE_STRING:
if (settings)
{
gchar *s;
s = g_settings_get_string (settings, entry->key);
g_value_set_string (value, s);
g_free (s);
}
else
{
g_value_set_static_string (value, entry->fallback.s);
}
break;
case G_TYPE_INT:
g_value_set_int (value, settings != NULL
? g_settings_get_int (settings, entry->key)
: entry->fallback.i);
break;
case G_TYPE_BOOLEAN:
g_value_set_boolean (value, settings != NULL
? g_settings_get_boolean (settings, entry->key)
: entry->fallback.b);
break;
case G_TYPE_NONE:
if (g_str_equal (entry->setting, "gtk-xft-antialias"))
g_value_set_int (value, screen_wayland->xft_settings.antialias);
else if (g_str_equal (entry->setting, "gtk-xft-hinting"))
g_value_set_int (value, screen_wayland->xft_settings.hinting);
else if (g_str_equal (entry->setting, "gtk-xft-hintstyle"))
g_value_set_static_string (value, screen_wayland->xft_settings.hintstyle);
else if (g_str_equal (entry->setting, "gtk-xft-rgba"))
g_value_set_static_string (value, screen_wayland->xft_settings.rgba);
else if (g_str_equal (entry->setting, "gtk-xft-dpi"))
g_value_set_int (value, screen_wayland->xft_settings.dpi);
else
g_assert_not_reached ();
break;
default:
g_assert_not_reached ();
}
}
static void
set_decoration_layout_from_entry (GdkScreen *screen,
TranslationEntry *entry,
GValue *value)
{
GdkWaylandScreen *screen_wayland = GDK_WAYLAND_SCREEN (screen);
GSettings *settings = NULL;
const char *session;
/* Hack: until we get session-dependent defaults in GSettings,
* swap out the usual schema for the "classic" one when
* running in classic mode
*/
session = g_getenv ("XDG_CURRENT_DESKTOP");
if (session && strstr (session, "GNOME-Classic"))
settings = (GSettings *)g_hash_table_lookup (screen_wayland->settings, CLASSIC_WM_SETTINGS_SCHEMA);
if (settings == NULL)
settings = (GSettings *)g_hash_table_lookup (screen_wayland->settings, WM_SETTINGS_SCHEMA);
if (settings)
{
gchar *s = g_settings_get_string (settings, entry->key);
translate_wm_button_layout_to_gtk (s);
g_value_set_string (value, s);
g_free (s);
}
else
{
g_value_set_static_string (value, entry->fallback.s);
}
}
static gboolean
set_capability_setting (GdkScreen *screen,
GValue *value,
enum gtk_shell1_capability test)
{
GdkWaylandScreen *wayland_screen = GDK_WAYLAND_SCREEN (screen);
g_value_set_boolean (value, (wayland_screen->shell_capabilities & test) == test);
return TRUE;
}
static gboolean
gdk_wayland_screen_get_setting (GdkScreen *screen,
const gchar *name,
GValue *value)
{
TranslationEntry *entry;
g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE);
entry = find_translation_entry_by_setting (name);
if (entry != NULL)
{
if (strcmp (name, "gtk-decoration-layout") == 0)
set_decoration_layout_from_entry (screen, entry, value);
else
set_value_from_entry (screen, entry, value);
return TRUE;
}
if (strcmp (name, "gtk-shell-shows-app-menu") == 0)
return set_capability_setting (screen, value,
GTK_SHELL1_CAPABILITY_GLOBAL_APP_MENU);
if (strcmp (name, "gtk-shell-shows-menubar") == 0)
return set_capability_setting (screen, value,
GTK_SHELL1_CAPABILITY_GLOBAL_MENU_BAR);
if (strcmp (name, "gtk-shell-shows-desktop") == 0)
return set_capability_setting (screen, value,
GTK_SHELL1_CAPABILITY_DESKTOP_ICONS);
if (strcmp (name, "gtk-dialogs-use-header") == 0)
{
g_value_set_boolean (value, TRUE);
return TRUE;
}
return FALSE;
}
typedef struct _GdkWaylandVisual GdkWaylandVisual;
typedef struct _GdkWaylandVisualClass GdkWaylandVisualClass;
struct _GdkWaylandVisual
{
GdkVisual visual;
};
struct _GdkWaylandVisualClass
{
GdkVisualClass parent_class;
};
GType _gdk_wayland_visual_get_type (void);
G_DEFINE_TYPE (GdkWaylandVisual, _gdk_wayland_visual, GDK_TYPE_VISUAL)
static void
_gdk_wayland_visual_class_init (GdkWaylandVisualClass *klass)
{
}
static void
_gdk_wayland_visual_init (GdkWaylandVisual *visual)
{
}
static gint
gdk_wayland_screen_visual_get_best_depth (GdkScreen *screen)
{
return 32;
}
static GdkVisualType
gdk_wayland_screen_visual_get_best_type (GdkScreen *screen)
{
return GDK_VISUAL_TRUE_COLOR;
}
static GdkVisual*
gdk_wayland_screen_visual_get_best (GdkScreen *screen)
{
return GDK_WAYLAND_SCREEN (screen)->visual;
}
static GdkVisual*
gdk_wayland_screen_visual_get_best_with_depth (GdkScreen *screen,
gint depth)
{
if (depth == 32)
return GDK_WAYLAND_SCREEN (screen)->visual;
else
return NULL;
}
static GdkVisual*
gdk_wayland_screen_visual_get_best_with_type (GdkScreen *screen,
GdkVisualType visual_type)
{
if (visual_type == GDK_VISUAL_TRUE_COLOR)
return GDK_WAYLAND_SCREEN (screen)->visual;
else
return NULL;
}
static GdkVisual*
gdk_wayland_screen_visual_get_best_with_both (GdkScreen *screen,
gint depth,
GdkVisualType visual_type)
{
if (depth == 32 && visual_type == GDK_VISUAL_TRUE_COLOR)
return GDK_WAYLAND_SCREEN (screen)->visual;
else
return NULL;
}
static void
gdk_wayland_screen_query_depths (GdkScreen *screen,
gint **depths,
gint *count)
{
static gint static_depths[] = { 32 };
*count = G_N_ELEMENTS(static_depths);
*depths = static_depths;
}
static void
gdk_wayland_screen_query_visual_types (GdkScreen *screen,
GdkVisualType **visual_types,
gint *count)
{
static GdkVisualType static_visual_types[] = { GDK_VISUAL_TRUE_COLOR };
*count = G_N_ELEMENTS(static_visual_types);
*visual_types = static_visual_types;
}
static GList *
gdk_wayland_screen_list_visuals (GdkScreen *screen)
{
GList *list;
GdkWaylandScreen *screen_wayland;
g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
screen_wayland = GDK_WAYLAND_SCREEN (screen);
list = g_list_append (NULL, screen_wayland->visual);
return list;
}
#define GDK_TYPE_WAYLAND_VISUAL (_gdk_wayland_visual_get_type ())
#define GDK_WAYLAND_VISUAL(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_WAYLAND_VISUAL, GdkWaylandVisual))
/* Currently, the Wayland backend only ever uses ARGB8888.
*/
static GdkVisual *
gdk_wayland_visual_new (GdkScreen *screen)
{
GdkVisual *visual;
visual = g_object_new (GDK_TYPE_WAYLAND_VISUAL, NULL);
visual->screen = GDK_SCREEN (screen);
visual->type = GDK_VISUAL_TRUE_COLOR;
visual->depth = 32;
visual->red_mask = 0xff0000;
visual->green_mask = 0x00ff00;
visual->blue_mask = 0x0000ff;
visual->bits_per_rgb = 8;
return visual;
}
GdkScreen *
_gdk_wayland_screen_new (GdkDisplay *display)
{
GdkScreen *screen;
GdkWaylandScreen *screen_wayland;
screen = g_object_new (GDK_TYPE_WAYLAND_SCREEN, NULL);
screen_wayland = GDK_WAYLAND_SCREEN (screen);
screen_wayland->display = display;
screen_wayland->width = 0;
screen_wayland->height = 0;
screen_wayland->visual = gdk_wayland_visual_new (screen);
screen_wayland->root_window =
_gdk_wayland_screen_create_root_window (screen,
screen_wayland->width,
screen_wayland->height);
init_settings (screen);
return screen;
}
static void
_gdk_wayland_screen_class_init (GdkWaylandScreenClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GdkScreenClass *screen_class = GDK_SCREEN_CLASS (klass);
object_class->dispose = gdk_wayland_screen_dispose;
object_class->finalize = gdk_wayland_screen_finalize;
screen_class->get_display = gdk_wayland_screen_get_display;
screen_class->get_width = gdk_wayland_screen_get_width;
screen_class->get_height = gdk_wayland_screen_get_height;
screen_class->get_width_mm = gdk_wayland_screen_get_width_mm;
screen_class->get_height_mm = gdk_wayland_screen_get_height_mm;
screen_class->get_number = gdk_wayland_screen_get_number;
screen_class->get_root_window = gdk_wayland_screen_get_root_window;
screen_class->get_system_visual = gdk_wayland_screen_get_system_visual;
screen_class->get_rgba_visual = gdk_wayland_screen_get_rgba_visual;
screen_class->is_composited = gdk_wayland_screen_is_composited;
screen_class->make_display_name = gdk_wayland_screen_make_display_name;
screen_class->get_active_window = gdk_wayland_screen_get_active_window;
screen_class->get_window_stack = gdk_wayland_screen_get_window_stack;
screen_class->broadcast_client_message = gdk_wayland_screen_broadcast_client_message;
screen_class->get_setting = gdk_wayland_screen_get_setting;
screen_class->visual_get_best_depth = gdk_wayland_screen_visual_get_best_depth;
screen_class->visual_get_best_type = gdk_wayland_screen_visual_get_best_type;
screen_class->visual_get_best = gdk_wayland_screen_visual_get_best;
screen_class->visual_get_best_with_depth = gdk_wayland_screen_visual_get_best_with_depth;
screen_class->visual_get_best_with_type = gdk_wayland_screen_visual_get_best_with_type;
screen_class->visual_get_best_with_both = gdk_wayland_screen_visual_get_best_with_both;
screen_class->query_depths = gdk_wayland_screen_query_depths;
screen_class->query_visual_types = gdk_wayland_screen_query_visual_types;
screen_class->list_visuals = gdk_wayland_screen_list_visuals;
}
static void
_gdk_wayland_screen_init (GdkWaylandScreen *screen_wayland)
{
}
static void
update_screen_size (GdkWaylandScreen *screen_wayland)
{
GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (screen_wayland->display);
gboolean emit_changed = FALSE;
gint width, height;
gint width_mm, height_mm;
int i;
width = height = 0;
width_mm = height_mm = 0;
for (i = 0; i < display_wayland->monitors->len; i++)
{
GdkMonitor *monitor = display_wayland->monitors->pdata[i];
/* XXX: Largely assuming here that monitor areas
* are contiguous and never overlap.
*/
if (monitor->geometry.x > 0)
width_mm += monitor->width_mm;
else
width_mm = MAX (width_mm, monitor->width_mm);
if (monitor->geometry.y > 0)
height_mm += monitor->height_mm;
else
height_mm = MAX (height_mm, monitor->height_mm);
width = MAX (width, monitor->geometry.x + monitor->geometry.width);
height = MAX (height, monitor->geometry.y + monitor->geometry.height);
}
if (screen_wayland->width_mm != width_mm ||
screen_wayland->height_mm != height_mm)
{
emit_changed = TRUE;
screen_wayland->width_mm = width_mm;
screen_wayland->height_mm = height_mm;
}
if (screen_wayland->width != width ||
screen_wayland->height != height)
{
emit_changed = TRUE;
screen_wayland->width = width;
screen_wayland->height = height;
}
if (emit_changed)
g_signal_emit_by_name (screen_wayland, "size-changed");
}
#ifdef G_ENABLE_DEBUG
static const char *
subpixel_to_string (int layout)
{
int i;
struct { int layout; const char *name; } layouts[] = {
{ WL_OUTPUT_SUBPIXEL_UNKNOWN, "unknown" },
{ WL_OUTPUT_SUBPIXEL_NONE, "none" },
{ WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB, "rgb" },
{ WL_OUTPUT_SUBPIXEL_HORIZONTAL_BGR, "bgr" },
{ WL_OUTPUT_SUBPIXEL_VERTICAL_RGB, "vrgb" },
{ WL_OUTPUT_SUBPIXEL_VERTICAL_BGR, "vbgr" },
{ 0xffffffff, NULL }
};
for (i = 0; layouts[i].name; i++)
{
if (layouts[i].layout == layout)
return layouts[i].name;
}
return NULL;
}
static const char *
transform_to_string (int transform)
{
int i;
struct { int transform; const char *name; } transforms[] = {
{ WL_OUTPUT_TRANSFORM_NORMAL, "normal" },
{ WL_OUTPUT_TRANSFORM_90, "90" },
{ WL_OUTPUT_TRANSFORM_180, "180" },
{ WL_OUTPUT_TRANSFORM_270, "270" },
{ WL_OUTPUT_TRANSFORM_FLIPPED, "flipped" },
{ WL_OUTPUT_TRANSFORM_FLIPPED_90, "flipped 90" },
{ WL_OUTPUT_TRANSFORM_FLIPPED_180, "flipped 180" },
{ WL_OUTPUT_TRANSFORM_FLIPPED_270, "flipped 270" },
{ 0xffffffff, NULL }
};
for (i = 0; transforms[i].name; i++)
{
if (transforms[i].transform == transform)
return transforms[i].name;
}
return NULL;
}
#endif
static void
output_handle_geometry (void *data,
struct wl_output *wl_output,
int x,
int y,
int physical_width,
int physical_height,
int subpixel,
const char *make,
const char *model,
int32_t transform)
{
GdkWaylandMonitor *monitor = (GdkWaylandMonitor *)data;
GDK_NOTE (MISC,
g_message ("handle geometry output %d, position %d %d, phys. size %d %d, subpixel layout %s, manufacturer %s, model %s, transform %s",
monitor->id, x, y, physical_width, physical_height, subpixel_to_string (subpixel), make, model, transform_to_string (transform)));
gdk_monitor_set_position (GDK_MONITOR (monitor), x, y);
gdk_monitor_set_physical_size (GDK_MONITOR (monitor), physical_width, physical_height);
gdk_monitor_set_subpixel_layout (GDK_MONITOR (monitor), subpixel);
gdk_monitor_set_manufacturer (GDK_MONITOR (monitor), make);
gdk_monitor_set_model (GDK_MONITOR (monitor), model);
if (GDK_MONITOR (monitor)->geometry.width != 0 && monitor->version < OUTPUT_VERSION_WITH_DONE)
{
GdkDisplay *display = GDK_MONITOR (monitor)->display;
GdkWaylandScreen *screen = GDK_WAYLAND_SCREEN (gdk_display_get_default_screen (display));
g_signal_emit_by_name (screen, "monitors-changed");
update_screen_size (screen);
}
}
static void
output_handle_done (void *data,
struct wl_output *wl_output)
{
GdkWaylandMonitor *monitor = (GdkWaylandMonitor *)data;
GdkDisplay *display = gdk_monitor_get_display (GDK_MONITOR (monitor));
GdkWaylandScreen *screen_wayland = GDK_WAYLAND_SCREEN (gdk_display_get_default_screen (display));
GDK_NOTE (MISC,
g_message ("handle done output %d", monitor->id));
if (!monitor->added)
{
monitor->added = TRUE;
g_ptr_array_add (GDK_WAYLAND_DISPLAY (display)->monitors, monitor);
gdk_display_monitor_added (display, GDK_MONITOR (monitor));
}
g_signal_emit_by_name (screen_wayland, "monitors-changed");
update_screen_size (screen_wayland);
}
static void
output_handle_scale (void *data,
struct wl_output *wl_output,
int32_t scale)
{
GdkWaylandMonitor *monitor = (GdkWaylandMonitor *)data;
GDK_NOTE (MISC,
g_message ("handle scale output %d, scale %d", monitor->id, scale));
gdk_monitor_set_scale_factor (GDK_MONITOR (monitor), scale);
if (GDK_MONITOR (monitor)->geometry.width != 0 && monitor->version < OUTPUT_VERSION_WITH_DONE)
{
GdkScreen *screen = gdk_display_get_default_screen (GDK_MONITOR (monitor)->display);
g_signal_emit_by_name (screen, "monitors-changed");
}
}
static void
output_handle_mode (void *data,
struct wl_output *wl_output,
uint32_t flags,
int width,
int height,
int refresh)
{
GdkWaylandMonitor *monitor = (GdkWaylandMonitor *)data;
GDK_NOTE (MISC,
g_message ("handle mode output %d, size %d %d, rate %d",
monitor->id, width, height, refresh));
if ((flags & WL_OUTPUT_MODE_CURRENT) == 0)
return;
gdk_monitor_set_size (GDK_MONITOR (monitor), width, height);
gdk_monitor_set_refresh_rate (GDK_MONITOR (monitor), refresh);
if (width != 0 && monitor->version < OUTPUT_VERSION_WITH_DONE)
{
GdkScreen *screen = gdk_display_get_default_screen (GDK_MONITOR (monitor)->display);
g_signal_emit_by_name (screen, "monitors-changed");
update_screen_size (GDK_WAYLAND_SCREEN (screen));
}
}
static const struct wl_output_listener output_listener =
{
output_handle_geometry,
output_handle_mode,
output_handle_done,
output_handle_scale,
};
void
_gdk_wayland_screen_add_output (GdkScreen *screen,
guint32 id,
struct wl_output *output,
guint32 version)
{
GdkDisplay *display = gdk_screen_get_display (screen);
GdkWaylandMonitor *monitor;
monitor = g_object_new (GDK_TYPE_WAYLAND_MONITOR,
"display", display,
NULL);
monitor->id = id;
monitor->output = output;
monitor->version = version;
if (monitor->version < OUTPUT_VERSION_WITH_DONE)
{
g_ptr_array_add (GDK_WAYLAND_DISPLAY (display)->monitors, monitor);
gdk_display_monitor_added (display, GDK_MONITOR (monitor));
}
wl_output_add_listener (output, &output_listener, monitor);
}
struct wl_output *
_gdk_wayland_screen_get_wl_output (GdkScreen *screen,
gint monitor_num)
{
GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (GDK_WAYLAND_SCREEN (screen)->display);
GdkWaylandMonitor *monitor;
monitor = display_wayland->monitors->pdata[monitor_num];
return monitor->output;
}
static GdkWaylandMonitor *
get_monitor_for_id (GdkWaylandScreen *screen_wayland,
guint32 id)
{
GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (screen_wayland->display);
int i;
for (i = 0; i < display_wayland->monitors->len; i++)
{
GdkWaylandMonitor *monitor = display_wayland->monitors->pdata[i];
if (monitor->id == id)
return monitor;
}
return NULL;
}
static GdkWaylandMonitor *
get_monitor_for_output (GdkWaylandScreen *screen_wayland,
struct wl_output *output)
{
GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (screen_wayland->display);
int i;
for (i = 0; i < display_wayland->monitors->len; i++)
{
GdkWaylandMonitor *monitor = display_wayland->monitors->pdata[i];
if (monitor->output == output)
return monitor;
}
return NULL;
}
void
_gdk_wayland_screen_remove_output (GdkScreen *screen,
guint32 id)
{
GdkWaylandScreen *screen_wayland = GDK_WAYLAND_SCREEN (screen);
GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (screen_wayland->display);
GdkWaylandMonitor *monitor;
monitor = get_monitor_for_id (screen_wayland, id);
if (monitor != NULL)
{
g_object_ref (monitor);
g_ptr_array_remove (display_wayland->monitors, monitor);
gdk_display_monitor_removed (GDK_DISPLAY (display_wayland), GDK_MONITOR (monitor));
g_object_unref (monitor);
g_signal_emit_by_name (screen_wayland, "monitors-changed");
update_screen_size (screen_wayland);
}
}
int
_gdk_wayland_screen_get_output_refresh_rate (GdkScreen *screen,
struct wl_output *output)
{
GdkWaylandScreen *screen_wayland = GDK_WAYLAND_SCREEN (screen);
GdkWaylandMonitor *monitor;
monitor = get_monitor_for_output (screen_wayland, output);
if (monitor != NULL)
return gdk_monitor_get_refresh_rate (GDK_MONITOR (monitor));
return 0;
}
guint32
_gdk_wayland_screen_get_output_scale (GdkScreen *screen,
struct wl_output *output)
{
GdkWaylandScreen *screen_wayland = GDK_WAYLAND_SCREEN (screen);
GdkWaylandMonitor *monitor;
monitor = get_monitor_for_output (screen_wayland, output);
if (monitor != NULL)
return gdk_monitor_get_scale_factor (GDK_MONITOR (monitor));
return 0;
}
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