+++ /dev/null
-/* GTK - The GIMP Toolkit
- * Copyright (C) 2017 Red Hat, Inc.
- *
- * 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 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, see <http://www.gnu.org/licenses/>.
- */
-
-#include "config.h"
-
-#include <string.h>
-#include <wayland-client-protocol.h>
-
-#include <gtk/gtk.h>
-#include "gtk/gtkintl.h"
-#include "gtk/gtkimmodule.h"
-
-#include "gdk/wayland/gdkwayland.h"
-#include "gtk-text-input-client-protocol.h"
-
-typedef struct _GtkIMContextWaylandGlobal GtkIMContextWaylandGlobal;
-typedef struct _GtkIMContextWayland GtkIMContextWayland;
-typedef struct _GtkIMContextWaylandClass GtkIMContextWaylandClass;
-
-struct _GtkIMContextWaylandGlobal
-{
- struct wl_display *display;
- struct wl_registry *registry;
- uint32_t text_input_manager_wl_id;
- struct gtk_text_input_manager *text_input_manager;
- struct gtk_text_input *text_input;
- uint32_t enter_serial;
-
- GtkIMContext *current;
-};
-
-struct _GtkIMContextWaylandClass
-{
- GtkIMContextSimpleClass parent_class;
-};
-
-struct _GtkIMContextWayland
-{
- GtkIMContextSimple parent_instance;
- GdkWindow *window;
- GtkWidget *widget;
-
- GtkGesture *gesture;
- gdouble press_x;
- gdouble press_y;
-
- struct {
- gchar *text;
- gint cursor_idx;
- } surrounding;
-
- struct {
- gchar *text;
- gint cursor_idx;
- } preedit;
-
- cairo_rectangle_int_t cursor_rect;
- guint use_preedit : 1;
-};
-
-GType type_wayland = 0;
-static GObjectClass *parent_class;
-static GtkIMContextWaylandGlobal *global = NULL;
-
-static const GtkIMContextInfo imwayland_info =
-{
- "waylandgtk", /* ID */
- NC_("input method menu", "Waylandgtk"), /* Human readable name */
- GETTEXT_PACKAGE, /* Translation domain */
- GTK_LOCALEDIR, /* Dir for bindtextdomain (not strictly needed for "gtk") */
- "", /* Languages for which this module is the default */
-};
-
-static const GtkIMContextInfo *info_list[] =
-{
- &imwayland_info,
-};
-
-#define GTK_IM_CONTEXT_WAYLAND(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), type_wayland, GtkIMContextWayland))
-
-#ifndef INCLUDE_IM_wayland
-#define MODULE_ENTRY(type,function) G_MODULE_EXPORT type im_module_ ## function
-#else
-#define MODULE_ENTRY(type, function) type _gtk_immodule_wayland_ ## function
-#endif
-
-static void
-reset_preedit (GtkIMContextWayland *context)
-{
- if (context->preedit.text == NULL)
- return;
-
- g_clear_pointer (&context->preedit.text, g_free);
- context->preedit.cursor_idx = 0;
- g_signal_emit_by_name (context, "preedit-changed");
-}
-
-static void
-text_input_enter (void *data,
- struct gtk_text_input *text_input,
- uint32_t serial,
- struct wl_surface *surface)
-{
- GtkIMContextWaylandGlobal *global = data;
-
- global->enter_serial = serial;
-}
-
-static void
-text_input_leave (void *data,
- struct gtk_text_input *text_input,
- uint32_t serial,
- struct wl_surface *surface)
-{
- GtkIMContextWayland *context;
-
- if (!global->current)
- return;
-
- context = GTK_IM_CONTEXT_WAYLAND (global->current);
- reset_preedit (context);
-}
-
-static void
-text_input_preedit (void *data,
- struct gtk_text_input *text_input,
- const char *text,
- guint cursor)
-{
- GtkIMContextWayland *context;
- gboolean state_change;
-
- if (!global->current)
- return;
-
- context = GTK_IM_CONTEXT_WAYLAND (global->current);
- if (!text && !context->preedit.text)
- return;
-
- state_change = ((text == NULL) != (context->preedit.text == NULL));
-
- if (state_change && !context->preedit.text)
- g_signal_emit_by_name (context, "preedit-start");
-
- g_free (context->preedit.text);
- context->preedit.text = g_strdup (text);
- context->preedit.cursor_idx = cursor;
-
- g_signal_emit_by_name (context, "preedit-changed");
-
- if (state_change && !context->preedit.text)
- g_signal_emit_by_name (context, "preedit-end");
-}
-
-static void
-text_input_commit (void *data,
- struct gtk_text_input *text_input,
- const char *text)
-{
- GtkIMContextWaylandGlobal *global = data;
-
- if (global->current && text)
- g_signal_emit_by_name (global->current, "commit", text);
-}
-
-static void
-text_input_delete_surrounding_text (void *data,
- struct gtk_text_input *text_input,
- uint32_t offset,
- uint32_t len)
-{
- GtkIMContextWaylandGlobal *global = data;
-
- if (global->current)
- g_signal_emit_by_name (global->current, "delete-surrounding", offset, len);
-}
-
-static const struct gtk_text_input_listener text_input_listener = {
- text_input_enter,
- text_input_leave,
- text_input_preedit,
- text_input_commit,
- text_input_delete_surrounding_text
-};
-
-static void
-registry_handle_global (void *data,
- struct wl_registry *registry,
- uint32_t id,
- const char *interface,
- uint32_t version)
-{
- GtkIMContextWaylandGlobal *global = data;
- GdkSeat *seat = gdk_display_get_default_seat (gdk_display_get_default ());
-
- if (strcmp (interface, "gtk_text_input_manager") == 0)
- {
- global->text_input_manager_wl_id = id;
- global->text_input_manager =
- wl_registry_bind (global->registry, global->text_input_manager_wl_id,
- >k_text_input_manager_interface, 1);
- global->text_input =
- gtk_text_input_manager_get_text_input (global->text_input_manager,
- gdk_wayland_seat_get_wl_seat (seat));
- gtk_text_input_add_listener (global->text_input,
- &text_input_listener, global);
- }
-}
-
-static void
-registry_handle_global_remove (void *data,
- struct wl_registry *registry,
- uint32_t id)
-{
- GtkIMContextWaylandGlobal *global = data;
-
- if (id != global->text_input_manager_wl_id)
- return;
-
- g_clear_pointer(&global->text_input, gtk_text_input_destroy);
- g_clear_pointer(&global->text_input_manager, gtk_text_input_manager_destroy);
-}
-
-static const struct wl_registry_listener registry_listener = {
- registry_handle_global,
- registry_handle_global_remove
-};
-
-static void
-gtk_im_context_wayland_global_init (GdkDisplay *display)
-{
- g_return_if_fail (global == NULL);
-
- global = g_new0 (GtkIMContextWaylandGlobal, 1);
- global->display = gdk_wayland_display_get_wl_display (display);
- global->registry = wl_display_get_registry (global->display);
-
- wl_registry_add_listener (global->registry, ®istry_listener, global);
-}
-
-static void
-notify_surrounding_text (GtkIMContextWayland *context)
-{
- if (!global || !global->text_input)
- return;
- if (global->current != GTK_IM_CONTEXT (context))
- return;
- if (!context->surrounding.text)
- return;
-
- gtk_text_input_set_surrounding_text (global->text_input,
- context->surrounding.text,
- context->surrounding.cursor_idx,
- context->surrounding.cursor_idx);
-}
-
-static void
-notify_cursor_location (GtkIMContextWayland *context)
-{
- cairo_rectangle_int_t rect;
-
- if (!global || !global->text_input)
- return;
- if (global->current != GTK_IM_CONTEXT (context))
- return;
- if (!context->window)
- return;
-
- rect = context->cursor_rect;
- gdk_window_get_root_coords (context->window, rect.x, rect.y,
- &rect.x, &rect.y);
-
- gtk_text_input_set_cursor_rectangle (global->text_input,
- rect.x, rect.y,
- rect.width, rect.height);
-}
-
-static uint32_t
-translate_hints (GtkInputHints input_hints,
- GtkInputPurpose purpose)
-{
- uint32_t hints = 0;
-
- if (input_hints & GTK_INPUT_HINT_SPELLCHECK)
- hints |= GTK_TEXT_INPUT_CONTENT_HINT_SPELLCHECK;
- if (input_hints & GTK_INPUT_HINT_WORD_COMPLETION)
- hints |= GTK_TEXT_INPUT_CONTENT_HINT_COMPLETION;
- if (input_hints & GTK_INPUT_HINT_LOWERCASE)
- hints |= GTK_TEXT_INPUT_CONTENT_HINT_LOWERCASE;
- if (input_hints & GTK_INPUT_HINT_UPPERCASE_CHARS)
- hints |= GTK_TEXT_INPUT_CONTENT_HINT_UPPERCASE;
- if (input_hints & GTK_INPUT_HINT_UPPERCASE_WORDS)
- hints |= GTK_TEXT_INPUT_CONTENT_HINT_TITLECASE;
- if (input_hints & GTK_INPUT_HINT_UPPERCASE_SENTENCES)
- hints |= GTK_TEXT_INPUT_CONTENT_HINT_AUTO_CAPITALIZATION;
-
- if (purpose == GTK_INPUT_PURPOSE_PIN ||
- purpose == GTK_INPUT_PURPOSE_PASSWORD)
- {
- hints |= (GTK_TEXT_INPUT_CONTENT_HINT_HIDDEN_TEXT |
- GTK_TEXT_INPUT_CONTENT_HINT_SENSITIVE_DATA);
- }
-
- return hints;
-}
-
-static uint32_t
-translate_purpose (GtkInputPurpose purpose)
-{
- switch (purpose)
- {
- case GTK_INPUT_PURPOSE_FREE_FORM:
- return GTK_TEXT_INPUT_CONTENT_PURPOSE_NORMAL;
- case GTK_INPUT_PURPOSE_ALPHA:
- return GTK_TEXT_INPUT_CONTENT_PURPOSE_ALPHA;
- case GTK_INPUT_PURPOSE_DIGITS:
- return GTK_TEXT_INPUT_CONTENT_PURPOSE_DIGITS;
- case GTK_INPUT_PURPOSE_NUMBER:
- return GTK_TEXT_INPUT_CONTENT_PURPOSE_NUMBER;
- case GTK_INPUT_PURPOSE_PHONE:
- return GTK_TEXT_INPUT_CONTENT_PURPOSE_PHONE;
- case GTK_INPUT_PURPOSE_URL:
- return GTK_TEXT_INPUT_CONTENT_PURPOSE_URL;
- case GTK_INPUT_PURPOSE_EMAIL:
- return GTK_TEXT_INPUT_CONTENT_PURPOSE_EMAIL;
- case GTK_INPUT_PURPOSE_NAME:
- return GTK_TEXT_INPUT_CONTENT_PURPOSE_NAME;
- case GTK_INPUT_PURPOSE_PASSWORD:
- return GTK_TEXT_INPUT_CONTENT_PURPOSE_PASSWORD;
- case GTK_INPUT_PURPOSE_PIN:
- return GTK_TEXT_INPUT_CONTENT_PURPOSE_PIN;
- }
-
- return GTK_TEXT_INPUT_CONTENT_PURPOSE_NORMAL;
-}
-
-static void
-notify_content_type (GtkIMContextWayland *context)
-{
- GtkInputHints hints;
- GtkInputPurpose purpose;
-
- if (global->current != GTK_IM_CONTEXT (context))
- return;
-
- g_object_get (context,
- "input-hints", &hints,
- "input-purpose", &purpose,
- NULL);
-
- gtk_text_input_set_content_type (global->text_input,
- translate_hints (hints, purpose),
- translate_purpose (purpose));
-}
-
-static void
-commit_state (GtkIMContextWayland *context)
-{
- if (global->current != GTK_IM_CONTEXT (context))
- return;
- gtk_text_input_commit (global->text_input);
-}
-
-static void
-enable_text_input (GtkIMContextWayland *context,
- gboolean toggle_panel)
-{
- guint flags = 0;
-
- if (context->use_preedit)
- flags |= GTK_TEXT_INPUT_ENABLE_FLAGS_CAN_SHOW_PREEDIT;
- if (toggle_panel)
- flags |= GTK_TEXT_INPUT_ENABLE_FLAGS_TOGGLE_INPUT_PANEL;
-
- gtk_text_input_enable (global->text_input,
- global->enter_serial,
- flags);
-}
-
-static void
-gtk_im_context_wayland_finalize (GObject *object)
-{
- GtkIMContextWayland *context = GTK_IM_CONTEXT_WAYLAND (object);
-
- g_clear_object (&context->window);
- g_clear_object (&context->gesture);
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static void
-pressed_cb (GtkGestureMultiPress *gesture,
- gint n_press,
- gdouble x,
- gdouble y,
- GtkIMContextWayland *context)
-{
- if (n_press == 1)
- {
- context->press_x = x;
- context->press_y = y;
- }
-}
-
-static void
-released_cb (GtkGestureMultiPress *gesture,
- gint n_press,
- gdouble x,
- gdouble y,
- GtkIMContextWayland *context)
-{
- GtkInputHints hints;
-
- if (!global->current)
- return;
-
- g_object_get (context, "input-hints", &hints, NULL);
-
- if (n_press == 1 &&
- (hints & GTK_INPUT_HINT_INHIBIT_OSK) == 0 &&
- !gtk_drag_check_threshold (context->widget,
- context->press_x,
- context->press_y,
- x, y))
- {
- enable_text_input (GTK_IM_CONTEXT_WAYLAND (context), TRUE);
- }
-}
-
-static void
-gtk_im_context_wayland_set_client_window (GtkIMContext *context,
- GdkWindow *window)
-{
- GtkIMContextWayland *context_wayland = GTK_IM_CONTEXT_WAYLAND (context);
- GtkWidget *widget = NULL;
-
- if (window == context_wayland->window)
- return;
-
- if (window)
- gdk_window_get_user_data (window, (gpointer*) &widget);
-
- if (context_wayland->widget && context_wayland->widget != widget)
- g_clear_object (&context_wayland->gesture);
-
- g_set_object (&context_wayland->window, window);
-
- if (context_wayland->widget != widget)
- {
- context_wayland->widget = widget;
-
- if (widget)
- {
- GtkGesture *gesture;
-
- gesture = gtk_gesture_multi_press_new (widget);
- gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (gesture),
- GTK_PHASE_CAPTURE);
- g_signal_connect (gesture, "pressed",
- G_CALLBACK (pressed_cb), context);
- g_signal_connect (gesture, "released",
- G_CALLBACK (released_cb), context);
- context_wayland->gesture = gesture;
- }
- }
-}
-
-static void
-gtk_im_context_wayland_get_preedit_string (GtkIMContext *context,
- gchar **str,
- PangoAttrList **attrs,
- gint *cursor_pos)
-{
- GtkIMContextWayland *context_wayland = GTK_IM_CONTEXT_WAYLAND (context);
- gchar *preedit_str;
-
- if (attrs)
- *attrs = NULL;
-
- GTK_IM_CONTEXT_CLASS (parent_class)->get_preedit_string (context, str, attrs, cursor_pos);
-
- /* If the parent implementation returns a len>0 string, go with it */
- if (str && *str)
- {
- if (**str)
- return;
-
- g_free (*str);
- }
-
- preedit_str =
- context_wayland->preedit.text ? context_wayland->preedit.text : "";
-
- if (str)
- *str = g_strdup (preedit_str);
- if (cursor_pos)
- *cursor_pos = context_wayland->preedit.cursor_idx;
-
- if (attrs)
- {
- if (!*attrs)
- *attrs = pango_attr_list_new ();
- pango_attr_list_insert (*attrs,
- pango_attr_underline_new (PANGO_UNDERLINE_SINGLE));
- }
-}
-
-static gboolean
-gtk_im_context_wayland_filter_keypress (GtkIMContext *context,
- GdkEventKey *key)
-{
- /* This is done by the compositor */
- return GTK_IM_CONTEXT_CLASS (parent_class)->filter_keypress (context, key);
-}
-
-static void
-gtk_im_context_wayland_focus_in (GtkIMContext *context)
-{
- GtkIMContextWayland *context_wayland = GTK_IM_CONTEXT_WAYLAND (context);
-
- if (global->current == context)
- return;
- if (!global->text_input)
- return;
-
- global->current = context;
- enable_text_input (context_wayland, FALSE);
- notify_content_type (context_wayland);
- notify_surrounding_text (context_wayland);
- notify_cursor_location (context_wayland);
- commit_state (context_wayland);
-}
-
-static void
-gtk_im_context_wayland_focus_out (GtkIMContext *context)
-{
- if (global->current != context)
- return;
-
- gtk_text_input_disable (global->text_input);
- global->current = NULL;
-}
-
-static void
-gtk_im_context_wayland_reset (GtkIMContext *context)
-{
- reset_preedit (GTK_IM_CONTEXT_WAYLAND (context));
-
- GTK_IM_CONTEXT_CLASS (parent_class)->reset (context);
-}
-
-static void
-gtk_im_context_wayland_set_cursor_location (GtkIMContext *context,
- GdkRectangle *rect)
-{
- GtkIMContextWayland *context_wayland;
-
- context_wayland = GTK_IM_CONTEXT_WAYLAND (context);
-
- context_wayland->cursor_rect = *rect;
- notify_cursor_location (context_wayland);
- commit_state (context_wayland);
-}
-
-static void
-gtk_im_context_wayland_set_use_preedit (GtkIMContext *context,
- gboolean use_preedit)
-{
- GtkIMContextWayland *context_wayland = GTK_IM_CONTEXT_WAYLAND (context);
-
- context_wayland->use_preedit = !!use_preedit;
-}
-
-static void
-gtk_im_context_wayland_set_surrounding (GtkIMContext *context,
- const gchar *text,
- gint len,
- gint cursor_index)
-{
- GtkIMContextWayland *context_wayland;
-
- context_wayland = GTK_IM_CONTEXT_WAYLAND (context);
-
- g_free (context_wayland->surrounding.text);
- context_wayland->surrounding.text = g_strdup (text);
- context_wayland->surrounding.cursor_idx = cursor_index;
-
- notify_surrounding_text (context_wayland);
- commit_state (context_wayland);
-}
-
-static gboolean
-gtk_im_context_wayland_get_surrounding (GtkIMContext *context,
- gchar **text,
- gint *cursor_index)
-{
- GtkIMContextWayland *context_wayland;
-
- context_wayland = GTK_IM_CONTEXT_WAYLAND (context);
-
- if (!context_wayland->surrounding.text)
- return FALSE;
-
- *text = context_wayland->surrounding.text;
- *cursor_index = context_wayland->surrounding.cursor_idx;
- return TRUE;
-}
-
-static void
-gtk_im_context_wayland_class_init (GtkIMContextWaylandClass *klass)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
- GtkIMContextClass *im_context_class = GTK_IM_CONTEXT_CLASS (klass);
-
- object_class->finalize = gtk_im_context_wayland_finalize;
-
- im_context_class->set_client_window = gtk_im_context_wayland_set_client_window;
- im_context_class->get_preedit_string = gtk_im_context_wayland_get_preedit_string;
- im_context_class->filter_keypress = gtk_im_context_wayland_filter_keypress;
- im_context_class->focus_in = gtk_im_context_wayland_focus_in;
- im_context_class->focus_out = gtk_im_context_wayland_focus_out;
- im_context_class->reset = gtk_im_context_wayland_reset;
- im_context_class->set_cursor_location = gtk_im_context_wayland_set_cursor_location;
- im_context_class->set_use_preedit = gtk_im_context_wayland_set_use_preedit;
- im_context_class->set_surrounding = gtk_im_context_wayland_set_surrounding;
- im_context_class->get_surrounding = gtk_im_context_wayland_get_surrounding;
-
- parent_class = g_type_class_peek_parent (klass);
-}
-
-static void
-on_content_type_changed (GtkIMContextWayland *context)
-{
- notify_content_type (context);
- commit_state (context);
-}
-
-static void
-gtk_im_context_wayland_init (GtkIMContextWayland *context)
-{
- context->use_preedit = TRUE;
- g_signal_connect_swapped (context, "notify::input-purpose",
- G_CALLBACK (on_content_type_changed), context);
- g_signal_connect_swapped (context, "notify::input-hints",
- G_CALLBACK (on_content_type_changed), context);
-}
-
-static void
-gtk_im_context_wayland_register_type (GTypeModule *module)
-{
- const GTypeInfo object_info = {
- sizeof (GtkIMContextWaylandClass),
- NULL, NULL,
- (GClassInitFunc) gtk_im_context_wayland_class_init,
- NULL, NULL,
- sizeof (GtkIMContextWayland),
- 0,
- (GInstanceInitFunc) gtk_im_context_wayland_init,
- };
-
- type_wayland = g_type_module_register_type (module,
- GTK_TYPE_IM_CONTEXT_SIMPLE,
- "GtkIMContextWayland",
- &object_info, 0);
-}
-
-MODULE_ENTRY (void, init) (GTypeModule * module)
-{
- gtk_im_context_wayland_register_type (module);
- gtk_im_context_wayland_global_init (gdk_display_get_default ());
-}
-
-MODULE_ENTRY (void, exit) (void)
-{
-}
-
-MODULE_ENTRY (void, list) (const GtkIMContextInfo *** contexts, int *n_contexts)
-{
- *contexts = info_list;
- *n_contexts = G_N_ELEMENTS (info_list);
-}
-
-MODULE_ENTRY (GtkIMContext *, create) (const gchar * context_id)
-{
- if (strcmp (context_id, "waylandgtk") == 0)
- return g_object_new (type_wayland, NULL);
- else
- return NULL;
-}
projects / gtk4.git / commitdiff