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/*
Simple DirectMedia Layer
Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "SDL_internal.h"
#if SDL_VIDEO_DRIVER_WAYLAND
#include "../SDL_sysvideo.h"
#include "SDL_waylandvideo.h"
#include "SDL_waylandevents_c.h"
#include "../../events/SDL_keyboard_c.h"
#include "text-input-unstable-v3-client-protocol.h"
bool Wayland_InitKeyboard(SDL_VideoDevice *_this)
{
#ifdef SDL_USE_IME
SDL_VideoData *internal = _this->internal;
if (!internal->text_input_manager) {
SDL_IME_Init();
}
#endif
SDL_SetScancodeName(SDL_SCANCODE_APPLICATION, "Menu");
return true;
}
void Wayland_QuitKeyboard(SDL_VideoDevice *_this)
{
#ifdef SDL_USE_IME
SDL_VideoData *internal = _this->internal;
if (!internal->text_input_manager) {
SDL_IME_Quit();
}
#endif
}
bool Wayland_StartTextInput(SDL_VideoDevice *_this, SDL_Window *window, SDL_PropertiesID props)
{
SDL_VideoData *internal = _this->internal;
struct SDL_WaylandInput *input = internal->input;
if (internal->text_input_manager) {
if (input && input->text_input) {
const SDL_Rect *rect = &input->text_input->cursor_rect;
enum zwp_text_input_v3_content_hint hint = ZWP_TEXT_INPUT_V3_CONTENT_HINT_NONE;
enum zwp_text_input_v3_content_purpose purpose;
switch (SDL_GetTextInputType(props)) {
default:
case SDL_TEXTINPUT_TYPE_TEXT:
purpose = ZWP_TEXT_INPUT_V3_CONTENT_PURPOSE_NORMAL;
break;
case SDL_TEXTINPUT_TYPE_TEXT_NAME:
purpose = ZWP_TEXT_INPUT_V3_CONTENT_PURPOSE_NAME;
break;
case SDL_TEXTINPUT_TYPE_TEXT_EMAIL:
purpose = ZWP_TEXT_INPUT_V3_CONTENT_PURPOSE_EMAIL;
break;
case SDL_TEXTINPUT_TYPE_TEXT_USERNAME:
purpose = ZWP_TEXT_INPUT_V3_CONTENT_PURPOSE_NORMAL;
hint |= ZWP_TEXT_INPUT_V3_CONTENT_HINT_SENSITIVE_DATA;
break;
case SDL_TEXTINPUT_TYPE_TEXT_PASSWORD_HIDDEN:
purpose = ZWP_TEXT_INPUT_V3_CONTENT_PURPOSE_PASSWORD;
hint |= (ZWP_TEXT_INPUT_V3_CONTENT_HINT_HIDDEN_TEXT | ZWP_TEXT_INPUT_V3_CONTENT_HINT_SENSITIVE_DATA);
break;
case SDL_TEXTINPUT_TYPE_TEXT_PASSWORD_VISIBLE:
purpose = ZWP_TEXT_INPUT_V3_CONTENT_PURPOSE_PASSWORD;
hint |= ZWP_TEXT_INPUT_V3_CONTENT_HINT_SENSITIVE_DATA;
break;
case SDL_TEXTINPUT_TYPE_NUMBER:
purpose = ZWP_TEXT_INPUT_V3_CONTENT_PURPOSE_NUMBER;
break;
case SDL_TEXTINPUT_TYPE_NUMBER_PASSWORD_HIDDEN:
purpose = ZWP_TEXT_INPUT_V3_CONTENT_PURPOSE_PIN;
hint |= (ZWP_TEXT_INPUT_V3_CONTENT_HINT_HIDDEN_TEXT | ZWP_TEXT_INPUT_V3_CONTENT_HINT_SENSITIVE_DATA);
break;
case SDL_TEXTINPUT_TYPE_NUMBER_PASSWORD_VISIBLE:
purpose = ZWP_TEXT_INPUT_V3_CONTENT_PURPOSE_PIN;
hint |= ZWP_TEXT_INPUT_V3_CONTENT_HINT_SENSITIVE_DATA;
break;
}
switch (SDL_GetTextInputCapitalization(props)) {
default:
case SDL_CAPITALIZE_NONE:
break;
case SDL_CAPITALIZE_LETTERS:
hint |= ZWP_TEXT_INPUT_V3_CONTENT_HINT_UPPERCASE;
break;
case SDL_CAPITALIZE_WORDS:
hint |= ZWP_TEXT_INPUT_V3_CONTENT_HINT_TITLECASE;
break;
case SDL_CAPITALIZE_SENTENCES:
hint |= ZWP_TEXT_INPUT_V3_CONTENT_HINT_AUTO_CAPITALIZATION;
break;
}
if (SDL_GetTextInputAutocorrect(props)) {
hint |= (ZWP_TEXT_INPUT_V3_CONTENT_HINT_COMPLETION | ZWP_TEXT_INPUT_V3_CONTENT_HINT_SPELLCHECK);
}
if (SDL_GetTextInputMultiline(props)) {
hint |= ZWP_TEXT_INPUT_V3_CONTENT_HINT_MULTILINE;
}
zwp_text_input_v3_enable(input->text_input->text_input);
// Now that it's enabled, set the input properties
zwp_text_input_v3_set_content_type(input->text_input->text_input, hint, purpose);
if (!SDL_RectEmpty(rect)) {
// This gets reset on enable so we have to cache it
zwp_text_input_v3_set_cursor_rectangle(input->text_input->text_input,
rect->x,
rect->y,
rect->w,
rect->h);
}
zwp_text_input_v3_commit(input->text_input->text_input);
}
}
if (input && input->xkb.compose_state) {
// Reset compose state so composite and dead keys don't carry over
WAYLAND_xkb_compose_state_reset(input->xkb.compose_state);
}
return Wayland_UpdateTextInputArea(_this, window);
}
bool Wayland_StopTextInput(SDL_VideoDevice *_this, SDL_Window *window)
{
SDL_VideoData *internal = _this->internal;
struct SDL_WaylandInput *input = internal->input;
if (internal->text_input_manager) {
if (input && input->text_input) {
zwp_text_input_v3_disable(input->text_input->text_input);
zwp_text_input_v3_commit(input->text_input->text_input);
}
}
#ifdef SDL_USE_IME
else {
SDL_IME_Reset();
}
#endif
if (input && input->xkb.compose_state) {
// Reset compose state so composite and dead keys don't carry over
WAYLAND_xkb_compose_state_reset(input->xkb.compose_state);
}
return true;
}
bool Wayland_UpdateTextInputArea(SDL_VideoDevice *_this, SDL_Window *window)
{
SDL_VideoData *internal = _this->internal;
if (internal->text_input_manager) {
struct SDL_WaylandInput *input = internal->input;
if (input && input->text_input) {
if (!SDL_RectsEqual(&window->text_input_rect, &input->text_input->cursor_rect)) {
SDL_copyp(&input->text_input->cursor_rect, &window->text_input_rect);
zwp_text_input_v3_set_cursor_rectangle(input->text_input->text_input,
window->text_input_rect.x,
window->text_input_rect.y,
window->text_input_rect.w,
window->text_input_rect.h);
zwp_text_input_v3_commit(input->text_input->text_input);
}
}
}
#ifdef SDL_USE_IME
else {
SDL_IME_UpdateTextInputArea(window);
}
#endif
return true;
}
bool Wayland_HasScreenKeyboardSupport(SDL_VideoDevice *_this)
{
/* In reality we just want to return true when the screen keyboard is the
* _only_ way to get text input. So, in addition to checking for the text
* input protocol, make sure we don't have any physical keyboards either.
*/
SDL_VideoData *internal = _this->internal;
bool haskeyboard = (internal->input != NULL) && (internal->input->keyboard != NULL);
bool hastextmanager = (internal->text_input_manager != NULL);
return !haskeyboard && hastextmanager;
}
#endif // SDL_VIDEO_DRIVER_WAYLAND
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