diff options
Diffstat (limited to 'Src/Plugins/General/gen_ml/flickerfix.cpp')
| -rw-r--r-- | Src/Plugins/General/gen_ml/flickerfix.cpp | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/Src/Plugins/General/gen_ml/flickerfix.cpp b/Src/Plugins/General/gen_ml/flickerfix.cpp new file mode 100644 index 00000000..0bed2bba --- /dev/null +++ b/Src/Plugins/General/gen_ml/flickerfix.cpp @@ -0,0 +1,101 @@ +#include <windows.h> +#include "ml.h" +#include "../nu/CGlobalAtom.h" + +#ifndef LONGX86 +#ifdef _WIN64 + #define LONGX86 LONG_PTR +#else /*_WIN64*/ + #define LONGX86 LONG +#endif /*_WIN64*/ +#endif // LONGX86 + +static CGlobalAtom PROP_FLIKERFIX(L"WAFFIX"); + +typedef struct _FFDATA +{ + WNDPROC oldProc; + DWORD mode; + BOOL unicode; + BOOL forward; +}FFDATA, *PFFDATA; + +static LRESULT WINAPI FlickerFixWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) +{ + PFFDATA pfd; + pfd = (PFFDATA)GetPropW(hwnd, PROP_FLIKERFIX); + if (!pfd) return (IsWindowUnicode(hwnd)) ? DefWindowProcW(hwnd, uMsg, wParam, lParam) : DefWindowProcA(hwnd, uMsg, wParam, lParam); + + switch(uMsg) + { + + case WM_ERASEBKGND: + if (pfd->forward) break; + + if (FFM_NOERASE & pfd->mode) return 1; + if (FFM_ERASEINPAINT & pfd->mode) return 0; + if (FFM_FORCEERASE & pfd->mode) + { + HBRUSH hb; + RECT rc; + hb = CreateSolidBrush(pfd->mode & 0x00FFFFFF); + GetClientRect(hwnd, &rc); + FillRect((HDC)wParam, &rc, hb); + DeleteObject(hb); + return 1; + } + // otherwise unsubclass.... + case WM_NCDESTROY: + + if (FlickerFixWndProc == (WNDPROC)(LONG_PTR)GetWindowLongPtrW(hwnd, GWLP_WNDPROC)) + { + RemovePropW(hwnd, PROP_FLIKERFIX); + SetWindowLongPtrW(hwnd, GWLP_WNDPROC, (LONGX86)(LONG_PTR)pfd->oldProc); + (pfd->unicode) ? CallWindowProcW(pfd->oldProc, hwnd, uMsg, wParam, lParam) : + CallWindowProcA(pfd->oldProc, hwnd, uMsg, wParam, lParam); + + free(pfd); + return 0; + } + else pfd->forward = TRUE; + + break; + + } + + return (pfd->unicode) ? CallWindowProcW(pfd->oldProc, hwnd, uMsg, wParam, lParam) : + CallWindowProcA(pfd->oldProc, hwnd, uMsg, wParam, lParam); +} + + +BOOL FlickerFixWindow(HWND hwnd, INT mode) +{ + PFFDATA pfd; + + if (!hwnd || !IsWindow(hwnd)) return FALSE; + pfd = (PFFDATA)GetPropW(hwnd, PROP_FLIKERFIX); + if (pfd) pfd->mode = mode; + else + { + pfd = (PFFDATA)calloc(1, sizeof(FFDATA)); + if (pfd) + { + pfd->forward = FALSE; + pfd->mode = mode; + pfd->unicode = IsWindowUnicode(hwnd); + pfd->oldProc = (WNDPROC)(LONG_PTR) ((pfd->unicode) ? SetWindowLongPtrW(hwnd, GWLP_WNDPROC, (LONGX86)(LONG_PTR)FlickerFixWndProc) : + SetWindowLongPtrA(hwnd, GWLP_WNDPROC, (LONGX86)(LONG_PTR)FlickerFixWndProc)); + if (!pfd->oldProc || !SetPropW(hwnd, PROP_FLIKERFIX, pfd)) + { + if (pfd->oldProc) + { + ((pfd->unicode) ? SetWindowLongPtrW(hwnd, GWLP_WNDPROC, (LONGX86)(LONG_PTR)pfd->oldProc) : + SetWindowLongPtrA(hwnd, GWLP_WNDPROC, (LONGX86)(LONG_PTR)pfd->oldProc)); + } + free(pfd); + pfd = NULL; + } + } + } + return (NULL != pfd); +}
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