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rootston: add support for text input and the basic of input method

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The compositor acts as a relay between applications using the text-input protocol and input methods using the input-method protocol.

This change implements the basic but useful support for input-method, leaving out grabs as well as popups.
This commit is contained in:
Dorota Czaplejewicz 2018-08-23 11:39:49 +02:00
parent cec7471119
commit 585757d6e6
7 changed files with 394 additions and 0 deletions
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4
include/rootston/desktop.h
View file

@ -9,6 +9,7 @@
#include <wlr/types/wlr_idle_inhibit_v1.h>
#include <wlr/types/wlr_idle.h>
#include <wlr/types/wlr_input_inhibitor.h>
#include <wlr/types/wlr_input_method_v2.h>
#include <wlr/types/wlr_layer_shell_v1.h>
#include <wlr/types/wlr_list.h>
#include <wlr/types/wlr_output_layout.h>
@ -16,6 +17,7 @@
#include <wlr/types/wlr_primary_selection.h>
#include <wlr/types/wlr_screencopy_v1.h>
#include <wlr/types/wlr_screenshooter.h>
#include <wlr/types/wlr_text_input_v3.h>
#include <wlr/types/wlr_virtual_keyboard_v1.h>
#include <wlr/types/wlr_wl_shell.h>
#include <wlr/types/wlr_xcursor_manager.h>
@ -53,6 +55,8 @@ struct roots_desktop {
struct wlr_idle_inhibit_manager_v1 *idle_inhibit;
struct wlr_input_inhibit_manager *input_inhibit;
struct wlr_layer_shell_v1 *layer_shell;
struct wlr_input_method_manager_v2 *input_method;
struct wlr_text_input_manager_v3 *text_input;
struct wlr_virtual_keyboard_manager_v1 *virtual_keyboard;
struct wlr_screencopy_manager_v1 *screencopy;
struct wlr_tablet_manager_v2 *tablet_v2;

3
include/rootston/seat.h
View file

@ -5,6 +5,7 @@
#include "rootston/input.h"
#include "rootston/keyboard.h"
#include "rootston/layers.h"
#include "rootston/text_input.h"
struct roots_seat {
struct roots_input *input;
@ -19,6 +20,8 @@ struct roots_seat {
// If the focused layer is set, views cannot receive keyboard focus
struct wlr_layer_surface_v1 *focused_layer;
struct roots_input_method_relay im_relay;
// If non-null, only this client can receive input events
struct wl_client *exclusive_client;

63
include/rootston/text_input.h Normal file
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@ -0,0 +1,63 @@
#ifndef ROOTSTON_TEXT_INPUT_H
#define ROOTSTON_TEXT_INPUT_H
#include <wlr/types/wlr_text_input_v3.h>
#include <wlr/types/wlr_input_method_v2.h>
#include <wlr/types/wlr_surface.h>
#include "rootston/seat.h"
/**
* The relay structure manages the relationship between text-input and
* input_method interfaces on a given seat. Multiple text-input interfaces may
* be bound to a relay, but at most one will be focused (reveiving events) at
* a time. At most one input-method interface may be bound to the seat. The
* relay manages life cycle of both sides. When both sides are present and
* focused, the relay passes messages between them.
*
* Text input focus is a subset of keyboard focus - if the text-input is
* in the focused state, wl_keyboard sent an enter as well. However, having
* wl_keyboard focused doesn't mean that text-input will be focused.
*/
struct roots_input_method_relay {
struct roots_seat *seat;
struct wl_list text_inputs; // roots_text_input::link
struct wlr_input_method_v2 *input_method; // doesn't have to be present
struct wl_listener text_input_new;
struct wl_listener text_input_enable;
struct wl_listener text_input_commit;
struct wl_listener text_input_disable;
struct wl_listener text_input_destroy;
struct wl_listener input_method_new;
struct wl_listener input_method_commit;
struct wl_listener input_method_destroy;
};
struct roots_text_input {
struct roots_input_method_relay *relay;
struct wlr_text_input_v3 *input;
// The surface getting seat's focus. Stored for when text-input cannot
// be sent an enter event immediately after getting focus, e.g. when
// there's no input method available. Cleared once text-input is entered.
struct wlr_surface *pending_focused_surface;
struct wl_list link;
struct wl_listener pending_focused_surface_destroy;
};
void roots_input_method_relay_init(struct roots_seat *seat,
struct roots_input_method_relay *relay);
// Updates currently focused surface. Surface must belong to the same seat.
void roots_input_method_relay_set_focus(struct roots_input_method_relay *relay,
struct wlr_surface *surface);
struct roots_text_input *roots_text_input_create(
struct roots_input_method_relay *relay,
struct wlr_text_input_v3 *text_input);
#endif