From 543232436fae8d1d0f9fdd94baf0ca88d4eea067 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Sun, 8 Mar 2015 03:13:26 -0400
Subject: EmuWindow: Added infrastructure code to enable touchpad support.
---
src/common/emu_window.cpp | 65 ++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 64 insertions(+), 1 deletion(-)
(limited to 'src/common/emu_window.cpp')
diff --git a/src/common/emu_window.cpp b/src/common/emu_window.cpp
index 6459d2f32e..11e6ad76b7 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);
--
cgit v1.2.3-70-g09d2