diff options
Diffstat (limited to 'win32/PlatWin.cxx')
| -rw-r--r-- | win32/PlatWin.cxx | 61 |
1 files changed, 46 insertions, 15 deletions
diff --git a/win32/PlatWin.cxx b/win32/PlatWin.cxx index 0bae1bef2..ba67fc1af 100644 --- a/win32/PlatWin.cxx +++ b/win32/PlatWin.cxx @@ -20,7 +20,6 @@ #include <windowsx.h> #include "Platform.h" -#include "PlatformRes.h" #include "UniConversion.h" #include "XPM.h" #include "FontQuality.h" @@ -80,7 +79,7 @@ static HINSTANCE hinstPlatformRes = 0; static bool onNT = false; static HMODULE hDLLImage = 0; static AlphaBlendSig AlphaBlendFn = 0; - +static HCURSOR reverseArrowCursor = NULL; bool IsNT() { return onNT; @@ -1103,6 +1102,47 @@ void Window::SetFont(Font &font) { reinterpret_cast<WPARAM>(font.GetID()), 0); } +static void FlipBitmap(HBITMAP bitmap, int width, int height) { + HDC hdc = ::CreateCompatibleDC(NULL); + if (hdc != NULL) { + HGDIOBJ prevBmp = ::SelectObject(hdc, bitmap); + ::StretchBlt(hdc, width - 1, 0, -width, height, hdc, 0, 0, width, height, SRCCOPY); + ::SelectObject(hdc, prevBmp); + ::DeleteDC(hdc); + } +} + +static HCURSOR GetReverseArrowCursor() { + if (reverseArrowCursor != NULL) + return reverseArrowCursor; + + ::EnterCriticalSection(&crPlatformLock); + HCURSOR cursor = reverseArrowCursor; + if (cursor == NULL) { + cursor = ::LoadCursor(NULL, IDC_ARROW); + ICONINFO info; + if (::GetIconInfo(cursor, &info)) { + BITMAP bmp; + if (::GetObject(info.hbmMask, sizeof(bmp), &bmp)) { + FlipBitmap(info.hbmMask, bmp.bmWidth, bmp.bmHeight); + if (info.hbmColor != NULL) + FlipBitmap(info.hbmColor, bmp.bmWidth, bmp.bmHeight); + info.xHotspot = (DWORD)bmp.bmWidth - 1 - info.xHotspot; + + reverseArrowCursor = ::CreateIconIndirect(&info); + if (reverseArrowCursor != NULL) + cursor = reverseArrowCursor; + } + + ::DeleteObject(info.hbmMask); + if (info.hbmColor != NULL) + ::DeleteObject(info.hbmColor); + } + } + ::LeaveCriticalSection(&crPlatformLock); + return cursor; +} + void Window::SetCursor(Cursor curs) { switch (curs) { case cursorText: @@ -1123,19 +1163,8 @@ void Window::SetCursor(Cursor curs) { case cursorHand: ::SetCursor(::LoadCursor(NULL,IDC_HAND)); break; - case cursorReverseArrow: { - if (!hinstPlatformRes) - hinstPlatformRes = ::GetModuleHandle(TEXT("Scintilla")); - if (!hinstPlatformRes) - hinstPlatformRes = ::GetModuleHandle(TEXT("SciLexer")); - if (!hinstPlatformRes) - hinstPlatformRes = ::GetModuleHandle(NULL); - HCURSOR hcursor = ::LoadCursor(hinstPlatformRes, MAKEINTRESOURCE(IDC_MARGIN)); - if (hcursor) - ::SetCursor(hcursor); - else - ::SetCursor(::LoadCursor(NULL,IDC_ARROW)); - } + case cursorReverseArrow: + ::SetCursor(GetReverseArrowCursor()); break; case cursorArrow: case cursorInvalid: // Should not occur, but just in case. @@ -2306,6 +2335,8 @@ void Platform_Initialise(void *hInstance) { } void Platform_Finalise() { + if (reverseArrowCursor != NULL) + ::DestroyCursor(reverseArrowCursor); ListBoxX_Unregister(); ::DeleteCriticalSection(&crPlatformLock); } |