From 543232436fae8d1d0f9fdd94baf0ca88d4eea067 Mon Sep 17 00:00:00 2001 From: bunnei Date: Sun, 8 Mar 2015 03:13:26 -0400 Subject: [PATCH] EmuWindow: Added infrastructure code to enable touchpad support. --- src/common/emu_window.cpp | 65 ++++++++++++++++++++++++++++++++++++++- src/common/emu_window.h | 29 +++++++++++++++++ 2 files changed, 93 insertions(+), 1 deletion(-) diff --git a/src/common/emu_window.cpp b/src/common/emu_window.cpp index 6459d2f32..11e6ad76b 100644 --- a/src/common/emu_window.cpp +++ b/src/common/emu_window.cpp @@ -5,6 +5,8 @@ #include "emu_window.h" #include "video_core/video_core.h" +bool EmuWindow::touch_pressed = false; + void EmuWindow::KeyPressed(KeyMap::HostDeviceKey key) { Service::HID::PadState mapped_key = KeyMap::GetPadKey(key); @@ -17,7 +19,68 @@ void EmuWindow::KeyReleased(KeyMap::HostDeviceKey key) { Service::HID::PadButtonRelease(mapped_key); } -EmuWindow::FramebufferLayout EmuWindow::FramebufferLayout::DefaultScreenLayout(unsigned width, unsigned height) { +/** + * 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 + * @param framebuffer_x Framebuffer x-coordinate to check + * @param framebuffer_y Framebuffer y-coordinate to check + * @return True if the coordinates are within the touchpad, otherwise false + */ +static bool IsWithinTouchscreen(const EmuWindow::FramebufferLayout& layout, unsigned framebuffer_x, + unsigned framebuffer_y) { + + return (framebuffer_y >= layout.bottom_screen.top && + framebuffer_y < layout.bottom_screen.bottom && + framebuffer_x >= layout.bottom_screen.left && + framebuffer_x < layout.bottom_screen.right); +} + +void EmuWindow::TouchPressed(const FramebufferLayout& layout, unsigned framebuffer_x, + unsigned framebuffer_y) { + + if (IsWithinTouchscreen(layout, framebuffer_x, framebuffer_y)) { + u16 touch_x = VideoCore::kScreenBottomWidth * (framebuffer_x - layout.bottom_screen.left) / + (layout.bottom_screen.right - layout.bottom_screen.left); + u16 touch_y = VideoCore::kScreenBottomHeight * (framebuffer_y - layout.bottom_screen.top) / + (layout.bottom_screen.bottom - layout.bottom_screen.top); + + Service::HID::TouchPress(touch_x, touch_y); + Service::HID::TouchUpdateComplete(); + + touch_pressed = true; + } +} + +void EmuWindow::TouchReleased(const FramebufferLayout& layout, unsigned framebuffer_x, + unsigned framebuffer_y) { + + if (IsWithinTouchscreen(layout, framebuffer_x, framebuffer_y)) { + + Service::HID::TouchRelease(); + Service::HID::TouchUpdateComplete(); + + touch_pressed = false; + } +} + +void EmuWindow::TouchMoved(const FramebufferLayout& layout, unsigned framebuffer_x, + unsigned framebuffer_y) { + + if (touch_pressed) { + if (IsWithinTouchscreen(layout, framebuffer_x, framebuffer_y)) { + EmuWindow::TouchPressed(layout, framebuffer_x, framebuffer_y); + } else { + Service::HID::TouchRelease(); + Service::HID::TouchUpdateComplete(); + + touch_pressed = false; + } + } +} + +EmuWindow::FramebufferLayout EmuWindow::FramebufferLayout::DefaultScreenLayout(unsigned width, + unsigned height) { + ASSERT(width > 0); ASSERT(height > 0); diff --git a/src/common/emu_window.h b/src/common/emu_window.h index f6099fdb6..df81e9e0f 100644 --- a/src/common/emu_window.h +++ b/src/common/emu_window.h @@ -76,6 +76,33 @@ public: /// Signals a key release action to the HID module static void KeyReleased(KeyMap::HostDeviceKey key); + /** + * Signal that a touch pressed event has occurred (e.g. mouse click pressed) + * @param layout FramebufferLayout object describing the framebuffer size and screen positions + * @param framebuffer_x Framebuffer x-coordinate that was pressed + * @param framebuffer_y Framebuffer y-coordinate that was pressed + */ + static void TouchPressed(const FramebufferLayout& layout, unsigned framebuffer_x, + unsigned framebuffer_y); + + /** + * Signal that a touch released event has occurred (e.g. mouse click released) + * @param layout FramebufferLayout object describing the framebuffer size and screen positions + * @param framebuffer_x Framebuffer x-coordinate that was released + * @param framebuffer_y Framebuffer y-coordinate that was released + */ + static void TouchReleased(const FramebufferLayout& layout, unsigned framebuffer_x, + unsigned framebuffer_y); + + /** + * Signal that a touch movement event has occurred (e.g. mouse was moved over the emu window) + * @param layout FramebufferLayout object describing the framebuffer size and screen positions + * @param framebuffer_x Framebuffer x-coordinate + * @param framebuffer_y Framebuffer y-coordinate + */ + static void TouchMoved(const FramebufferLayout& layout, unsigned framebuffer_x, + unsigned framebuffer_y); + /** * Returns currently active configuration. * @note Accesses to the returned object need not be consistent because it may be modified in another thread @@ -168,4 +195,6 @@ private: WindowConfig config; ///< Internal configuration (changes pending for being applied in ProcessConfigurationChanges) WindowConfig active_config; ///< Internal active configuration + + static bool touch_pressed; ///< True if touchpad area is currently pressed, otherwise false };