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EmuWindow: Added infrastructure code to enable touchpad support.

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This commit is contained in:
bunnei 2015-03-08 03:13:26 -04:00
parent 1a904ded40
commit 543232436f
2 changed files with 93 additions and 1 deletions
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65
src/common/emu_window.cpp
View file

@ -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);

29
src/common/emu_window.h
View file

@ -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
};