mirror of https://git.h3cjp.net/H3cJP/citra.git
121 lines
5.0 KiB
C++
121 lines
5.0 KiB
C++
// Copyright 2014 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#include "emu_window.h"
|
|
#include "video_core/video_core.h"
|
|
|
|
void EmuWindow::KeyPressed(KeyMap::HostDeviceKey key) {
|
|
pad_state.hex |= KeyMap::GetPadKey(key).hex;
|
|
}
|
|
|
|
void EmuWindow::KeyReleased(KeyMap::HostDeviceKey key) {
|
|
pad_state.hex &= ~KeyMap::GetPadKey(key).hex;
|
|
}
|
|
|
|
/**
|
|
* 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);
|
|
}
|
|
|
|
std::tuple<unsigned,unsigned> EmuWindow::ClipToTouchScreen(unsigned new_x, unsigned new_y) {
|
|
|
|
new_x = std::max(new_x, framebuffer_layout.bottom_screen.left);
|
|
new_x = std::min(new_x, framebuffer_layout.bottom_screen.right-1);
|
|
|
|
new_y = std::max(new_y, framebuffer_layout.bottom_screen.top);
|
|
new_y = std::min(new_y, framebuffer_layout.bottom_screen.bottom-1);
|
|
|
|
return std::make_tuple(new_x, new_y);
|
|
}
|
|
|
|
void EmuWindow::TouchPressed(unsigned framebuffer_x, unsigned framebuffer_y) {
|
|
if (!IsWithinTouchscreen(framebuffer_layout, framebuffer_x, framebuffer_y))
|
|
return;
|
|
|
|
touch_x = VideoCore::kScreenBottomWidth * (framebuffer_x - framebuffer_layout.bottom_screen.left) /
|
|
(framebuffer_layout.bottom_screen.right - framebuffer_layout.bottom_screen.left);
|
|
touch_y = VideoCore::kScreenBottomHeight * (framebuffer_y - framebuffer_layout.bottom_screen.top) /
|
|
(framebuffer_layout.bottom_screen.bottom - framebuffer_layout.bottom_screen.top);
|
|
|
|
touch_pressed = true;
|
|
pad_state.touch = 1;
|
|
}
|
|
|
|
void EmuWindow::TouchReleased() {
|
|
touch_pressed = false;
|
|
touch_x = 0;
|
|
touch_y = 0;
|
|
pad_state.touch = 0;
|
|
}
|
|
|
|
void EmuWindow::TouchMoved(unsigned framebuffer_x, unsigned framebuffer_y) {
|
|
if (!touch_pressed)
|
|
return;
|
|
|
|
if (!IsWithinTouchscreen(framebuffer_layout, framebuffer_x, framebuffer_y))
|
|
std::tie(framebuffer_x, framebuffer_y) = ClipToTouchScreen(framebuffer_x, framebuffer_y);
|
|
|
|
TouchPressed(framebuffer_x, framebuffer_y);
|
|
}
|
|
|
|
EmuWindow::FramebufferLayout EmuWindow::FramebufferLayout::DefaultScreenLayout(unsigned width, unsigned height) {
|
|
|
|
ASSERT(width > 0);
|
|
ASSERT(height > 0);
|
|
|
|
EmuWindow::FramebufferLayout res = { width, height, {}, {} };
|
|
|
|
float window_aspect_ratio = static_cast<float>(height) / width;
|
|
float emulation_aspect_ratio = static_cast<float>(VideoCore::kScreenTopHeight * 2) /
|
|
VideoCore::kScreenTopWidth;
|
|
|
|
if (window_aspect_ratio > emulation_aspect_ratio) {
|
|
// Window is narrower than the emulation content => apply borders to the top and bottom
|
|
int viewport_height = static_cast<int>(std::round(emulation_aspect_ratio * width));
|
|
|
|
res.top_screen.left = 0;
|
|
res.top_screen.right = res.top_screen.left + width;
|
|
res.top_screen.top = (height - viewport_height) / 2;
|
|
res.top_screen.bottom = res.top_screen.top + viewport_height / 2;
|
|
|
|
int bottom_width = static_cast<int>((static_cast<float>(VideoCore::kScreenBottomWidth) /
|
|
VideoCore::kScreenTopWidth) * (res.top_screen.right - res.top_screen.left));
|
|
int bottom_border = ((res.top_screen.right - res.top_screen.left) - bottom_width) / 2;
|
|
|
|
res.bottom_screen.left = bottom_border;
|
|
res.bottom_screen.right = res.bottom_screen.left + bottom_width;
|
|
res.bottom_screen.top = res.top_screen.bottom;
|
|
res.bottom_screen.bottom = res.bottom_screen.top + viewport_height / 2;
|
|
} else {
|
|
// Otherwise, apply borders to the left and right sides of the window.
|
|
int viewport_width = static_cast<int>(std::round(height / emulation_aspect_ratio));
|
|
|
|
res.top_screen.left = (width - viewport_width) / 2;
|
|
res.top_screen.right = res.top_screen.left + viewport_width;
|
|
res.top_screen.top = 0;
|
|
res.top_screen.bottom = res.top_screen.top + height / 2;
|
|
|
|
int bottom_width = static_cast<int>((static_cast<float>(VideoCore::kScreenBottomWidth) /
|
|
VideoCore::kScreenTopWidth) * (res.top_screen.right - res.top_screen.left));
|
|
int bottom_border = ((res.top_screen.right - res.top_screen.left) - bottom_width) / 2;
|
|
|
|
res.bottom_screen.left = res.top_screen.left + bottom_border;
|
|
res.bottom_screen.right = res.bottom_screen.left + bottom_width;
|
|
res.bottom_screen.top = res.top_screen.bottom;
|
|
res.bottom_screen.bottom = res.bottom_screen.top + height / 2;
|
|
}
|
|
|
|
return res;
|
|
}
|