EmuWindow: Added infrastructure code to enable touchpad support.
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1a904ded40
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@ -5,6 +5,8 @@
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#include "emu_window.h"
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#include "video_core/video_core.h"
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bool EmuWindow::touch_pressed = false;
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void EmuWindow::KeyPressed(KeyMap::HostDeviceKey key) {
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Service::HID::PadState mapped_key = KeyMap::GetPadKey(key);
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@ -17,7 +19,68 @@ void EmuWindow::KeyReleased(KeyMap::HostDeviceKey key) {
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Service::HID::PadButtonRelease(mapped_key);
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}
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EmuWindow::FramebufferLayout EmuWindow::FramebufferLayout::DefaultScreenLayout(unsigned width, unsigned height) {
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/**
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* Check if the given x/y coordinates are within the touchpad specified by the framebuffer layout
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* @param layout FramebufferLayout object describing the framebuffer size and screen positions
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* @param framebuffer_x Framebuffer x-coordinate to check
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* @param framebuffer_y Framebuffer y-coordinate to check
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* @return True if the coordinates are within the touchpad, otherwise false
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*/
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static bool IsWithinTouchscreen(const EmuWindow::FramebufferLayout& layout, unsigned framebuffer_x,
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unsigned framebuffer_y) {
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return (framebuffer_y >= layout.bottom_screen.top &&
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framebuffer_y < layout.bottom_screen.bottom &&
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framebuffer_x >= layout.bottom_screen.left &&
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framebuffer_x < layout.bottom_screen.right);
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}
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void EmuWindow::TouchPressed(const FramebufferLayout& layout, unsigned framebuffer_x,
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unsigned framebuffer_y) {
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if (IsWithinTouchscreen(layout, framebuffer_x, framebuffer_y)) {
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u16 touch_x = VideoCore::kScreenBottomWidth * (framebuffer_x - layout.bottom_screen.left) /
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(layout.bottom_screen.right - layout.bottom_screen.left);
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u16 touch_y = VideoCore::kScreenBottomHeight * (framebuffer_y - layout.bottom_screen.top) /
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(layout.bottom_screen.bottom - layout.bottom_screen.top);
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Service::HID::TouchPress(touch_x, touch_y);
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Service::HID::TouchUpdateComplete();
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touch_pressed = true;
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}
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}
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void EmuWindow::TouchReleased(const FramebufferLayout& layout, unsigned framebuffer_x,
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unsigned framebuffer_y) {
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if (IsWithinTouchscreen(layout, framebuffer_x, framebuffer_y)) {
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Service::HID::TouchRelease();
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Service::HID::TouchUpdateComplete();
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touch_pressed = false;
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}
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}
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void EmuWindow::TouchMoved(const FramebufferLayout& layout, unsigned framebuffer_x,
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unsigned framebuffer_y) {
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if (touch_pressed) {
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if (IsWithinTouchscreen(layout, framebuffer_x, framebuffer_y)) {
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EmuWindow::TouchPressed(layout, framebuffer_x, framebuffer_y);
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} else {
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Service::HID::TouchRelease();
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Service::HID::TouchUpdateComplete();
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touch_pressed = false;
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}
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}
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}
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EmuWindow::FramebufferLayout EmuWindow::FramebufferLayout::DefaultScreenLayout(unsigned width,
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unsigned height) {
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ASSERT(width > 0);
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ASSERT(height > 0);
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@ -76,6 +76,33 @@ public:
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/// Signals a key release action to the HID module
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static void KeyReleased(KeyMap::HostDeviceKey key);
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/**
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* Signal that a touch pressed event has occurred (e.g. mouse click pressed)
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* @param layout FramebufferLayout object describing the framebuffer size and screen positions
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* @param framebuffer_x Framebuffer x-coordinate that was pressed
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* @param framebuffer_y Framebuffer y-coordinate that was pressed
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*/
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static void TouchPressed(const FramebufferLayout& layout, unsigned framebuffer_x,
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unsigned framebuffer_y);
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/**
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* Signal that a touch released event has occurred (e.g. mouse click released)
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* @param layout FramebufferLayout object describing the framebuffer size and screen positions
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* @param framebuffer_x Framebuffer x-coordinate that was released
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* @param framebuffer_y Framebuffer y-coordinate that was released
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*/
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static void TouchReleased(const FramebufferLayout& layout, unsigned framebuffer_x,
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unsigned framebuffer_y);
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/**
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* Signal that a touch movement event has occurred (e.g. mouse was moved over the emu window)
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* @param layout FramebufferLayout object describing the framebuffer size and screen positions
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* @param framebuffer_x Framebuffer x-coordinate
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* @param framebuffer_y Framebuffer y-coordinate
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*/
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static void TouchMoved(const FramebufferLayout& layout, unsigned framebuffer_x,
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unsigned framebuffer_y);
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/**
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* Returns currently active configuration.
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* @note Accesses to the returned object need not be consistent because it may be modified in another thread
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@ -168,4 +195,6 @@ private:
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WindowConfig config; ///< Internal configuration (changes pending for being applied in ProcessConfigurationChanges)
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WindowConfig active_config; ///< Internal active configuration
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static bool touch_pressed; ///< True if touchpad area is currently pressed, otherwise false
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};
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