From 2617de1fe6f6f1fc846a8e038e1ea77a894554b2 Mon Sep 17 00:00:00 2001 From: wwylele Date: Wed, 9 Aug 2017 02:57:42 +0300 Subject: EmuWindow: refactor touch input into a TouchDevice --- src/core/frontend/emu_window.cpp | 71 ++++++++++++++++++++++++++++++++-------- src/core/frontend/emu_window.h | 31 +++--------------- 2 files changed, 63 insertions(+), 39 deletions(-) (limited to 'src/core/frontend') diff --git a/src/core/frontend/emu_window.cpp b/src/core/frontend/emu_window.cpp index 60b20d4e2..787c517ff 100644 --- a/src/core/frontend/emu_window.cpp +++ b/src/core/frontend/emu_window.cpp @@ -2,14 +2,55 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. -#include #include -#include "common/assert.h" -#include "core/3ds.h" -#include "core/core.h" +#include #include "core/frontend/emu_window.h" +#include "core/frontend/input.h" #include "core/settings.h" +class EmuWindow::TouchState : public Input::Factory, + public std::enable_shared_from_this { +public: + std::unique_ptr Create(const Common::ParamPackage&) override { + return std::make_unique(shared_from_this()); + } + + std::mutex mutex; + + bool touch_pressed = false; ///< True if touchpad area is currently pressed, otherwise false + + float touch_x = 0.0f; ///< Touchpad X-position + float touch_y = 0.0f; ///< Touchpad Y-position + +private: + class Device : public Input::TouchDevice { + public: + explicit Device(std::weak_ptr&& touch_state) : touch_state(touch_state) {} + std::tuple GetStatus() const override { + if (auto state = touch_state.lock()) { + std::lock_guard guard(state->mutex); + return std::make_tuple(state->touch_x, state->touch_y, state->touch_pressed); + } + return std::make_tuple(0.0f, 0.0f, false); + } + + private: + std::weak_ptr touch_state; + }; +}; + +EmuWindow::EmuWindow() { + // TODO: Find a better place to set this. + config.min_client_area_size = std::make_pair(400u, 480u); + active_config = config; + touch_state = std::make_shared(); + Input::RegisterFactory("emu_window", touch_state); +} + +EmuWindow::~EmuWindow() { + Input::UnregisterFactory("emu_window"); +} + /** * Check if the given x/y coordinates are within the touchpad specified by the framebuffer layout * @param layout FramebufferLayout object describing the framebuffer size and screen positions @@ -38,22 +79,26 @@ void EmuWindow::TouchPressed(unsigned framebuffer_x, unsigned framebuffer_y) { if (!IsWithinTouchscreen(framebuffer_layout, framebuffer_x, framebuffer_y)) return; - touch_x = Core::kScreenBottomWidth * (framebuffer_x - framebuffer_layout.bottom_screen.left) / - (framebuffer_layout.bottom_screen.right - framebuffer_layout.bottom_screen.left); - touch_y = Core::kScreenBottomHeight * (framebuffer_y - framebuffer_layout.bottom_screen.top) / - (framebuffer_layout.bottom_screen.bottom - framebuffer_layout.bottom_screen.top); + std::lock_guard guard(touch_state->mutex); + touch_state->touch_x = + static_cast(framebuffer_x - framebuffer_layout.bottom_screen.left) / + (framebuffer_layout.bottom_screen.right - framebuffer_layout.bottom_screen.left); + touch_state->touch_y = + static_cast(framebuffer_y - framebuffer_layout.bottom_screen.top) / + (framebuffer_layout.bottom_screen.bottom - framebuffer_layout.bottom_screen.top); - touch_pressed = true; + touch_state->touch_pressed = true; } void EmuWindow::TouchReleased() { - touch_pressed = false; - touch_x = 0; - touch_y = 0; + std::lock_guard guard(touch_state->mutex); + touch_state->touch_pressed = false; + touch_state->touch_x = 0; + touch_state->touch_y = 0; } void EmuWindow::TouchMoved(unsigned framebuffer_x, unsigned framebuffer_y) { - if (!touch_pressed) + if (!touch_state->touch_pressed) return; if (!IsWithinTouchscreen(framebuffer_layout, framebuffer_x, framebuffer_y)) diff --git a/src/core/frontend/emu_window.h b/src/core/frontend/emu_window.h index 7bdee251c..c10dee51b 100644 --- a/src/core/frontend/emu_window.h +++ b/src/core/frontend/emu_window.h @@ -4,11 +4,10 @@ #pragma once -#include +#include #include #include #include "common/common_types.h" -#include "common/math_util.h" #include "core/frontend/framebuffer_layout.h" /** @@ -68,17 +67,6 @@ public: */ void TouchMoved(unsigned framebuffer_x, unsigned framebuffer_y); - /** - * Gets the current touch screen state (touch X/Y coordinates and whether or not it is pressed). - * @note This should be called by the core emu thread to get a state set by the window thread. - * @todo Fix this function to be thread-safe. - * @return std::tuple of (x, y, pressed) where `x` and `y` are the touch coordinates and - * `pressed` is true if the touch screen is currently being pressed - */ - std::tuple GetTouchState() const { - return std::make_tuple(touch_x, touch_y, touch_pressed); - } - /** * Returns currently active configuration. * @note Accesses to the returned object need not be consistent because it may be modified in @@ -113,15 +101,8 @@ public: void UpdateCurrentFramebufferLayout(unsigned width, unsigned height); protected: - EmuWindow() { - // TODO: Find a better place to set this. - config.min_client_area_size = std::make_pair(400u, 480u); - active_config = config; - touch_x = 0; - touch_y = 0; - touch_pressed = false; - } - virtual ~EmuWindow() {} + EmuWindow(); + virtual ~EmuWindow(); /** * Processes any pending configuration changes from the last SetConfig call. @@ -177,10 +158,8 @@ private: /// ProcessConfigurationChanges) WindowConfig active_config; ///< Internal active configuration - bool touch_pressed; ///< True if touchpad area is currently pressed, otherwise false - - u16 touch_x; ///< Touchpad X-position in native 3DS pixel coordinates (0-320) - u16 touch_y; ///< Touchpad Y-position in native 3DS pixel coordinates (0-240) + class TouchState; + std::shared_ptr touch_state; /** * Clip the provided coordinates to be inside the touchscreen area. -- cgit v1.2.3