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123 lines
3.8 KiB
Plaintext
123 lines
3.8 KiB
Plaintext
/*
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* This file is part of vimix - video live mixer
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*
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* **Copyright** (C) 2019-2025 Bruno Herbelin <bruno.herbelin@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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**/
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#ifdef APPLE
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#include "TabletInput.h"
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#include "Log.h"
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#import <Cocoa/Cocoa.h>
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TabletInput::TabletInput()
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: data_({0.0f, false, 0.0f, 0.0f, false, false})
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, active_(false)
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, monitor_(nullptr)
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{
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}
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TabletInput::~TabletInput()
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{
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terminate();
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}
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bool TabletInput::init()
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{
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// Create event monitor for tablet events
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NSEventMask mask = NSEventMaskTabletPoint |
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NSEventMaskTabletProximity |
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NSEventMaskLeftMouseDown |
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NSEventMaskLeftMouseUp |
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NSEventMaskLeftMouseDragged;
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// Capture reference to data_ for the block
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TabletData *dataPtr = &data_;
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id monitor = [NSEvent addLocalMonitorForEventsMatchingMask:mask
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handler:^NSEvent *(NSEvent *event) {
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// Check for tablet point events
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if (event.type == NSEventTypeTabletPoint ||
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(event.subtype == NSEventSubtypeTabletPoint)) {
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dataPtr->has_pressure = true;
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dataPtr->pressure = event.pressure;
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dataPtr->tilt_x = event.tilt.x;
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dataPtr->tilt_y = event.tilt.y;
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dataPtr->tip_down = (event.pressure > 0.0f);
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dataPtr->in_proximity = true;
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}
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// Handle proximity events
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else if (event.type == NSEventTypeTabletProximity) {
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dataPtr->in_proximity = event.isEnteringProximity;
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if (!dataPtr->in_proximity) {
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dataPtr->pressure = 0.0f;
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dataPtr->tilt_x = 0.0f;
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dataPtr->tilt_y = 0.0f;
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dataPtr->tip_down = false;
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}
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}
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// Fallback to regular mouse events if tablet is in proximity
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else if (event.type == NSEventTypeLeftMouseDown) {
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if (dataPtr->in_proximity && dataPtr->pressure == 0.0f) {
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// Set minimal pressure if tablet is near but not reporting pressure
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dataPtr->pressure = 0.1f;
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dataPtr->tip_down = true;
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}
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}
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else if (event.type == NSEventTypeLeftMouseUp) {
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if (dataPtr->in_proximity) {
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dataPtr->tip_down = false;
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if (!dataPtr->in_proximity) {
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dataPtr->pressure = 0.0f;
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}
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}
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}
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return event;
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}];
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monitor_ = (__bridge_retained void*)monitor;
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active_ = true;
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Log::Info("TabletInput: macOS tablet input initialized (NSEvent)");
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return true;
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}
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void TabletInput::pollEvents()
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{
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// Events are handled automatically by the monitor callback
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// Nothing to do here for macOS
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}
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void TabletInput::terminate()
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{
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if (monitor_) {
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id monitor = (__bridge_transfer id)monitor_;
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[NSEvent removeMonitor:monitor];
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monitor_ = nullptr;
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}
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data_.pressure = 0.0f;
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data_.tilt_x = 0.0f;
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data_.tilt_y = 0.0f;
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data_.in_proximity = false;
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data_.tip_down = false;
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active_ = false;
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}
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#endif // APPLE
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