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Windows: Add option for confining cursor to window (Thanks Igor1)

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This commit is contained in:
UnknownShadow200 2022-02-11 09:02:53 +11:00
parent c29130c792
commit a966f4b11b
1 changed files with 18 additions and 2 deletions
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20
src/Window_Win.c
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@ -45,8 +45,8 @@ static HWND win_handle;
static HDC win_DC;
static cc_bool suppress_resize;
static int win_totalWidth, win_totalHeight; /* Size of window including titlebar and borders */
static cc_bool is_ansiWindow, grabCursor;
static int windowX, windowY;
static cc_bool is_ansiWindow;
static const cc_uint8 key_map[14 * 16] = {
0, 0, 0, 0, 0, 0, 0, 0, KEY_BACKSPACE, KEY_TAB, 0, 0, 0, KEY_ENTER, 0, 0,
@ -96,6 +96,14 @@ static void RefreshWindowBounds(void) {
windowX = topLeft.x; windowY = topLeft.y;
}
static void GrabCursor(void) {
RECT rect;
if (!grabCursor || !Input_RawMode) return;
GetWindowRect(win_handle, &rect);
ClipCursor(&rect);
}
static LRESULT CALLBACK Window_Procedure(HWND handle, UINT message, WPARAM wParam, LPARAM lParam) {
char keyChar;
float wheelDelta;
@ -120,6 +128,7 @@ static LRESULT CALLBACK Window_Procedure(HWND handle, UINT message, WPARAM wPara
if (pos->hwnd != win_handle) break;
cc_bool sized = pos->cx != win_totalWidth || pos->cy != win_totalHeight;
GrabCursor();
RefreshWindowBounds();
if (sized && !suppress_resize) Event_RaiseVoid(&WindowEvents.Resized);
} break;
@ -344,8 +353,10 @@ static void DoCreateWindow(int width, int height) {
win_DC = GetDC(win_handle);
if (!win_DC) Logger_Abort2(GetLastError(), "Failed to get device context");
WindowInfo.Exists = true;
WindowInfo.Handle = win_handle;
grabCursor = Options_GetBool(OPT_GRAB_CURSOR, false);
}
void Window_Create2D(int width, int height) { DoCreateWindow(width, height); }
void Window_Create3D(int width, int height) { DoCreateWindow(width, height); }
@ -635,7 +646,9 @@ void Window_CloseKeyboard(void) { }
void Window_EnableRawMouse(void) {
DefaultEnableRawMouse();
if (!rawMouseInited) InitRawMouse();
rawMouseInited = true;
GrabCursor();
}
void Window_UpdateRawMouse(void) {
@ -647,7 +660,10 @@ void Window_UpdateRawMouse(void) {
}
}
void Window_DisableRawMouse(void) { DefaultDisableRawMouse(); }
void Window_DisableRawMouse(void) {
DefaultDisableRawMouse();
if (grabCursor) ClipCursor(NULL);
}
/*########################################################################################################################*