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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
#include "common/common.h"
#include "common/scm_rev.h"
#include "common/string_util.h"
#include "common/key_map.h"
// Abstraction class used to provide an interface between emulation code and the frontend (e.g. SDL,
// QGLWidget, GLFW, etc...)
class EmuWindow
{
public:
/// Data structure to store an emuwindow configuration
struct WindowConfig {
bool fullscreen;
int res_width;
int res_height;
std::pair<unsigned,unsigned> min_client_area_size;
};
/// Swap buffers to display the next frame
virtual void SwapBuffers() = 0;
/// Polls window events
virtual void PollEvents() = 0;
/// Makes the graphics context current for the caller thread
virtual void MakeCurrent() = 0;
/// Releases (dunno if this is the "right" word) the GLFW context from the caller thread
virtual void DoneCurrent() = 0;
virtual void ReloadSetKeymaps() = 0;
/// Signals a key press action to the HID module
static void KeyPressed(KeyMap::HostDeviceKey key);
/// Signals a key release action to the HID module
static void KeyReleased(KeyMap::HostDeviceKey key);
const WindowConfig& GetActiveConfig() const {
return active_config;
}
void SetConfig(const WindowConfig& val) {
config = val;
}
/**
* Gets the size of the framebuffer in pixels
*/
const std::pair<unsigned,unsigned> GetFramebufferSize() const {
return framebuffer_size;
}
/**
* Gets window client area width in logical coordinates
*/
std::pair<unsigned,unsigned> GetClientAreaSize() const {
return std::make_pair(client_area_width, client_area_height);
}
std::string GetWindowTitle() const {
return window_title;
}
void SetWindowTitle(const std::string& val) {
window_title = val;
}
// Only call this from the GUI thread!
void ProcessConfigurationChanges() {
// TODO: For proper thread safety, we should eventually implement a proper
// multiple-writer/single-reader queue...
if (config.min_client_area_size != active_config.min_client_area_size) {
OnMinimalClientAreaChangeRequest(config.min_client_area_size);
config.min_client_area_size = active_config.min_client_area_size;
}
}
protected:
EmuWindow() :
window_title(Common::StringFromFormat("Citra | %s-%s", Common::g_scm_branch, Common::g_scm_desc))
{
// TODO
config.min_client_area_size = std::make_pair(300u, 500u);
active_config = config;
}
virtual ~EmuWindow() {}
std::pair<unsigned,unsigned> NotifyFramebufferSizeChanged(const std::pair<unsigned,unsigned>& size) {
framebuffer_size = size;
}
void NotifyClientAreaSizeChanged(const std::pair<unsigned,unsigned>& size) {
client_area_width = size.first;
client_area_height = size.second;
}
private:
virtual void OnMinimalClientAreaChangeRequest(const std::pair<unsigned,unsigned>& minimal_size) {
}
std::string window_title; ///< Current window title, should be used by window impl.
std::pair<unsigned,unsigned> framebuffer_size;
unsigned client_area_width; ///< Current client width, should be set by window impl.
unsigned client_area_height; ///< Current client height, should be set by window impl.
WindowConfig config; ///< Internal configuration (changes pending for being applied in ProcessConfigurationChanges)
WindowConfig active_config; ///< Internal active configuration
};
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