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app: add support for system cursors

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Signed-off-by: pierre <pierre.curto@gmail.com>
This commit is contained in:
pierre
2020-12-02 16:50:56 +01:00
committed by Elias Naur
parent 951d45a2c6
commit 69cc2c795c
15 changed files with 297 additions and 18 deletions
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app/internal/windows/windows.go
+12 -1
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@@ -61,7 +61,12 @@ const (
CW_USEDEFAULT = -2147483648
IDC_ARROW = 32512
IDC_ARROW = 32512
IDC_IBEAM = 32513
IDC_HAND = 32649
IDC_CROSS = 32515
IDC_SIZENS = 32645
IDC_SIZEWE = 32644
INFINITE = 0xFFFFFFFF
@@ -146,6 +151,7 @@ const (
WM_PAINT = 0x000F
WM_CLOSE = 0x0010
WM_QUIT = 0x0012
WM_SETCURSOR = 0x0020
WM_SETFOCUS = 0x0007
WM_KILLFOCUS = 0x0008
WM_SHOWWINDOW = 0x0018
@@ -227,6 +233,7 @@ var (
_ScreenToClient = user32.NewProc("ScreenToClient")
_ShowWindow = user32.NewProc("ShowWindow")
_SetCapture = user32.NewProc("SetCapture")
_SetCursor = user32.NewProc("SetCursor")
_SetClipboardData = user32.NewProc("SetClipboardData")
_SetForegroundWindow = user32.NewProc("SetForegroundWindow")
_SetFocus = user32.NewProc("SetFocus")
@@ -514,6 +521,10 @@ func SetClipboardData(format uint32, mem syscall.Handle) error {
return nil
}
func SetCursor(h syscall.Handle) {
_SetCursor.Call(uintptr(h))
}
func SetTimer(hwnd syscall.Handle, nIDEvent uintptr, uElapse uint32, timerProc uintptr) error {
r, _, err := _SetTimer.Call(uintptr(hwnd), uintptr(nIDEvent), uintptr(uElapse), timerProc)
if r == 0 {