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(svn r4075) - Feature: Undraw the mouse when it leaves the window and Draw it again when it enters. Added both for WIN32 and SDL. Since Win95 has troubles with TrackMouseEvent(), this function was just simply rewritten which was the easiest. Based on a patch by DmitryKo.

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This commit is contained in:
Darkvater
2006-03-24 00:42:35 +00:00
parent 41f4c473da
commit fb48c3b4aa
5 changed files with 76 additions and 9 deletions
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53
video/win32_v.c
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@@ -184,9 +184,40 @@ int RedrawScreenDebug(void)
}
#endif
/* Windows 95 will not have a WM_MOUSELEAVE message, so define it if
* needed. There is no such event as WM_MOUSEENTER, we just made this up :) */
#define WM_MOUSEENTER WM_USER + 1
#if !defined(WM_MOUSELEAVE)
#define WM_MOUSELEAVE 0x02A3
#endif
#define TID_POLLMOUSE 1
#define MOUSE_POLL_DELAY 75
static void CALLBACK TrackMouseTimerProc(HWND hwnd, UINT msg, UINT event, DWORD time)
{
RECT rc;
POINT pt;
/* Get the rectangle of our window and translate it to screen coordinates.
* Compare this with the current screen coordinates of the mouse and if it
* falls outside of the area or our window we have left the window. */
GetClientRect(hwnd, &rc);
MapWindowPoints(hwnd, HWND_DESKTOP, (LPPOINT)&rc, 2);
GetCursorPos(&pt);
if (!PtInRect(&rc, pt) || (WindowFromPoint(pt) != hwnd)) {
KillTimer(hwnd, event);
PostMessage(hwnd, WM_MOUSELEAVE, 0, 0L);
}
}
static LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg) {
case WM_CREATE:
SetTimer(hwnd, TID_POLLMOUSE, MOUSE_POLL_DELAY, (TIMERPROC)TrackMouseTimerProc);
break;
case WM_PAINT: {
PAINTSTRUCT ps;
HDC dc,dc2;
@@ -259,11 +290,33 @@ static LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lP
_right_button_down = false;
return 0;
case WM_MOUSEENTER:
printf("enter\n");
_cursor.in_window = true;
DrawMouseCursor();
break;
case WM_MOUSELEAVE:
printf("enter\n");
UndrawMouseCursor();
_cursor.in_window = false;
break;
case WM_MOUSEMOVE: {
int x = (int16)LOWORD(lParam);
int y = (int16)HIWORD(lParam);
POINT pt;
/* If the mouse was not in the window and it has moved it means it has
* come into the window, so send a WM_MOUSEENTER message. Also start
* tracking the mouse for exiting the window */
if (!_cursor.in_window) {
_cursor.in_window = true;
SetTimer(hwnd, TID_POLLMOUSE, MOUSE_POLL_DELAY, (TIMERPROC)TrackMouseTimerProc);
if (hwnd != GetCapture()) PostMessage(hwnd, WM_MOUSEENTER, 0, 0L);
}
if (_wnd.double_size) {
x /= 2;
y /= 2;