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https://github.com/Retropex/dolphin.git
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0168201bb1
Changes references to Cocoa framework in class interface class names to Quartz such that they match existing Dolphin interfaces. Additionally, moves the `get_bounds` and `getWindowCenter` helper functions into the `QuartzInputMouse` class as private methods as they do not need to be exposed.
95 lines
2.5 KiB
Plaintext
95 lines
2.5 KiB
Plaintext
#include "QuartzInputMouse.h"
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#include "Core/Host.h"
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/**
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* This interface works by centering the cursor within the window
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* ever time the `UpdateInput` method is called. It then calculates
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* the delta based on how far the mouse has moved from the center of
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* the screen before it is re-centered.
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*/
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int win_w = 0, win_h = 0;
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namespace prime
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{
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bool InitCocoaInputMouse(uint32_t* windowid)
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{
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g_mouse_input = new QuartzInputMouse(windowid);
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return true;
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}
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QuartzInputMouse::QuartzInputMouse(uint32_t* windowid)
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{
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m_windowid = windowid;
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center = current_loc = getWindowCenter();
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}
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void QuartzInputMouse::UpdateInput()
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{
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event = CGEventCreate(nil);
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current_loc = CGEventGetLocation(event);
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CFRelease(event);
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center = getWindowCenter();
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if (Host_RendererHasFocus() && cursor_locked)
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{
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this->dx += current_loc.x - center.x;
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this->dy += current_loc.y - center.y;
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}
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LockCursorToGameWindow();
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}
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void QuartzInputMouse::LockCursorToGameWindow()
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{
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if (Host_RendererHasFocus() && cursor_locked)
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{
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// Hack to avoid short bit of input suppression after warp
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// Credit/explanation: https://stackoverflow.com/a/17559012/7341382
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CGWarpMouseCursorPosition(center);
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CGAssociateMouseAndMouseCursorPosition(true);
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CGDisplayHideCursor(CGMainDisplayID());
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}
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else
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{
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cursor_locked = false;
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Host_RendererUpdateCursor(false);
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CGAssociateMouseAndMouseCursorPosition(true);
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CGDisplayShowCursor(CGMainDisplayID());
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}
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}
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CGRect QuartzInputMouse::getBounds()
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{
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CGRect bounds = CGRectZero;
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CGWindowID windowid[1] = {*m_windowid};
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CFArrayRef windowArray = CFArrayCreate(nullptr, (const void**)windowid, 1, nullptr);
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CFArrayRef windowDescriptions = CGWindowListCreateDescriptionFromArray(windowArray);
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CFDictionaryRef windowDescription =
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static_cast<CFDictionaryRef>(CFArrayGetValueAtIndex(windowDescriptions, 0));
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if (CFDictionaryContainsKey(windowDescription, kCGWindowBounds))
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{
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CFDictionaryRef boundsDictionary =
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static_cast<CFDictionaryRef>(CFDictionaryGetValue(windowDescription, kCGWindowBounds));
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if (boundsDictionary != nullptr)
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CGRectMakeWithDictionaryRepresentation(boundsDictionary, &bounds);
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}
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CFRelease(windowDescriptions);
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CFRelease(windowArray);
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return bounds;
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}
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CGPoint QuartzInputMouse::getWindowCenter()
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{
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const auto bounds = getBounds();
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const double x = bounds.origin.x + (bounds.size.width / 2);
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const double y = bounds.origin.y + (bounds.size.height / 2);
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return CGPointMake(x, y);
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}
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}
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