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wayland: Handle text input per-seat

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When changing the text input mode on a window, only update the seats that currently hold keyboard focus on that window, otherwise, text input might be inadvertently enabled or disabled on a seat focused on another window.
This commit is contained in:
Frank Praznik
2025-07-19 10:08:56 -04:00
parent 8bd29f7ca3
commit 735f0cc300
4 changed files with 69 additions and 62 deletions
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5
src/video/wayland/SDL_waylandevents.c
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@@ -35,6 +35,7 @@
#include "SDL_waylandwindow.h"
#include "SDL_waylandmouse.h"
#include "SDL_waylandclipboard.h"
#include "SDL_waylandkeyboard.h"
#include "pointer-constraints-unstable-v1-client-protocol.h"
#include "relative-pointer-unstable-v1-client-protocol.h"
@@ -1897,7 +1898,7 @@ static void keyboard_handle_enter(void *data, struct wl_keyboard *keyboard,
Wayland_DisplayUpdatePointerGrabs(seat->display, window);
// Update text input and IME focus.
Wayland_UpdateTextInput(seat->display);
Wayland_SeatUpdateTextInput(seat);
#ifdef SDL_USE_IME
if (!seat->text_input.zwp_text_input) {
@@ -1979,7 +1980,7 @@ static void keyboard_handle_leave(void *data, struct wl_keyboard *keyboard,
seat->keyboard.pressed_modifiers = SDL_KMOD_NONE;
// Update text input and IME focus.
Wayland_UpdateTextInput(seat->display);
Wayland_SeatUpdateTextInput(seat);
#ifdef SDL_USE_IME
if (!seat->text_input.zwp_text_input && !window->keyboard_focus_count) {

1
src/video/wayland/SDL_waylandevents_c.h
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@@ -31,7 +31,6 @@
#include "SDL_waylandvideo.h"
#include "SDL_waylandwindow.h"
#include "SDL_waylanddatamanager.h"
#include "SDL_waylandkeyboard.h"
enum SDL_WaylandAxisEvent
{

35
src/video/wayland/SDL_waylandkeyboard.c
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@@ -51,15 +51,11 @@ void Wayland_QuitKeyboard(SDL_VideoDevice *_this)
#endif
}
void Wayland_UpdateTextInput(SDL_VideoData *display)
void Wayland_SeatUpdateTextInput(SDL_WaylandSeat *seat)
{
SDL_WaylandSeat *seat = NULL;
if (display->text_input_manager) {
wl_list_for_each(seat, &display->seat_list, link) {
if (seat->text_input.zwp_text_input) {
SDL_WindowData *focus = seat->keyboard.focus;
if (seat->text_input.zwp_text_input) {
if (focus && focus->text_input_props.active) {
SDL_Window *window = focus->sdlwindow;
@@ -111,8 +107,6 @@ void Wayland_UpdateTextInput(SDL_VideoData *display)
}
}
}
}
}
}
bool Wayland_StartTextInput(SDL_VideoDevice *_this, SDL_Window *window, SDL_PropertiesID props)
@@ -182,12 +176,18 @@ bool Wayland_StartTextInput(SDL_VideoDevice *_this, SDL_Window *window, SDL_Prop
}
wind->text_input_props.active = true;
Wayland_UpdateTextInput(display);
SDL_WaylandSeat *seat;
wl_list_for_each (seat, &display->seat_list, link) {
if (seat->keyboard.focus == wind) {
Wayland_SeatUpdateTextInput(seat);
}
}
return true;
}
return false;
return SDL_SetError("wayland: cannot enable text input; compositor lacks support for the required zwp_text_input_v3 protocol");
}
bool Wayland_StopTextInput(SDL_VideoDevice *_this, SDL_Window *window)
@@ -195,8 +195,15 @@ bool Wayland_StopTextInput(SDL_VideoDevice *_this, SDL_Window *window)
SDL_VideoData *display = _this->internal;
if (display->text_input_manager) {
window->internal->text_input_props.active = false;
Wayland_UpdateTextInput(display);
SDL_WaylandSeat *seat;
SDL_WindowData *wind = window->internal;
wind->text_input_props.active = false;
wl_list_for_each (seat, &display->seat_list, link) {
if (seat->keyboard.focus == wind) {
Wayland_SeatUpdateTextInput(seat);
}
}
}
#ifdef SDL_USE_IME
else {
@@ -212,10 +219,10 @@ bool Wayland_UpdateTextInputArea(SDL_VideoDevice *_this, SDL_Window *window)
SDL_VideoData *internal = _this->internal;
if (internal->text_input_manager) {
SDL_WaylandSeat *seat;
SDL_WindowData *wind = window->internal;
wl_list_for_each (seat, &internal->seat_list, link) {
if (seat->text_input.zwp_text_input && seat->keyboard.focus == window->internal) {
SDL_WindowData *wind = window->internal;
if (seat->text_input.zwp_text_input && seat->keyboard.focus == wind) {
const SDL_Rect scaled_rect = {
(int)SDL_floor(window->text_input_rect.x / wind->pointer_scale.x),
(int)SDL_floor(window->text_input_rect.y / wind->pointer_scale.y),

2
src/video/wayland/SDL_waylandkeyboard.h
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@@ -28,7 +28,7 @@ extern void Wayland_QuitKeyboard(SDL_VideoDevice *_this);
extern bool Wayland_StartTextInput(SDL_VideoDevice *_this, SDL_Window *window, SDL_PropertiesID props);
extern bool Wayland_StopTextInput(SDL_VideoDevice *_this, SDL_Window *window);
extern bool Wayland_UpdateTextInputArea(SDL_VideoDevice *_this, SDL_Window *window);
extern void Wayland_UpdateTextInput(SDL_VideoData *display);
extern void Wayland_SeatUpdateTextInput(SDL_WaylandSeat *seat);
extern bool Wayland_HasScreenKeyboardSupport(SDL_VideoDevice *_this);
#endif // SDL_waylandkeyboard_h_