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Scale mouse coordinates based on window size

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- Fixed: If you enlarged the game window (in windowed mode) so that the
  window is bigger than the selected resolution, the menu would still take
  its inputs from the portion in the upper left that matched the
  resolution.
This commit is contained in:
Randy Heit 2015-04-16 17:39:45 -05:00
parent d166211ce0
commit 9b6756114b
5 changed files with 43 additions and 9 deletions
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4
src/v_video.h
View file

@ -398,8 +398,8 @@ public:
virtual void WipeEndScreen();
virtual bool WipeDo(int ticks);
virtual void WipeCleanup();
virtual int GetPixelDoubling() const { return 0; }
virtual int GetTrueHeight() { return GetHeight(); }
virtual void ScaleCoordsFromWindow(SWORD &x, SWORD &y) {}
uint32 GetLastFPS() const { return LastCount; }

22
src/win32/fb_d3d9.cpp
View file

@ -1028,6 +1028,28 @@ bool D3DFB::IsFullscreen ()
return !Windowed;
}
//==========================================================================
//
// D3DFB :: ScaleCoordsFromWindow
//
// Given coordinates in window space, return coordinates in what the game
// thinks screen space is.
//
//==========================================================================
void D3DFB::ScaleCoordsFromWindow(SWORD &x, SWORD &y)
{
RECT rect;
if (GetClientRect(Window, &rect))
{
x = SWORD(x * Width / (rect.right - rect.left));
y = SWORD(y * TrueHeight / (rect.bottom - rect.top));
}
// Subtract letterboxing borders
y -= (TrueHeight - Height) / 2;
}
//==========================================================================
//
// D3DFB :: Lock

13
src/win32/fb_ddraw.cpp
View file

@ -806,6 +806,19 @@ bool DDrawFB::Is8BitMode()
return vid_displaybits == 8;
}
void DDrawFB::ScaleCoordsFromWindow(SWORD &x, SWORD &y)
{
RECT rect;
if (GetClientRect(Window, &rect))
{
x = SWORD(x * Width / (rect.right - rect.left));
y = SWORD(y * TrueHeight / (rect.bottom - rect.top));
}
// Subtract letterboxing borders
y -= (TrueHeight - Height) / 2;
}
bool DDrawFB::IsValid ()
{
return PrimarySurf != NULL;

8
src/win32/i_input.cpp
View file

@ -323,11 +323,11 @@ bool GUIWndProcHook(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam, LRESU
if (BlockMouseMove > 0) return true;
}
ev.data1 = LOWORD(lParam);
ev.data2 = HIWORD(lParam);
if (screen != NULL)
{
int shift = screen? screen->GetPixelDoubling() : 0;
ev.data1 = LOWORD(lParam) >> shift;
ev.data2 = HIWORD(lParam) >> shift;
if (screen) ev.data2 -= (screen->GetTrueHeight() - screen->GetHeight())/2;
screen->ScaleCoordsFromWindow(ev.data1, ev.data2);
}
if (wParam & MK_SHIFT) ev.data3 |= GKM_SHIFT;

5
src/win32/win32iface.h
View file

@ -164,8 +164,8 @@ public:
void SetVSync (bool vsync);
void NewRefreshRate();
HRESULT GetHR ();
virtual int GetTrueHeight() { return TrueHeight; }
bool Is8BitMode();
void ScaleCoordsFromWindow(SWORD &x, SWORD &y);
void Blank ();
bool PaintToWindow ();
@ -269,8 +269,8 @@ public:
bool WipeDo(int ticks);
void WipeCleanup();
HRESULT GetHR ();
virtual int GetTrueHeight() { return TrueHeight; }
bool Is8BitMode() { return false; }
void ScaleCoordsFromWindow(SWORD &x, SWORD &y);
private:
friend class D3DTex;
@ -380,7 +380,6 @@ private:
void EndLineBatch();
void EndBatch();
void CopyNextFrontBuffer();
int GetPixelDoubling() const { return PixelDoubling; }
D3DCAPS9 DeviceCaps;