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Refactor cursor mode paths

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This is the refactoring part of adding GLFW_CURSOR_CAPTURED, separated
out to help keep 3.3-stable similar to the main branch.

Related to #58.

(cherry picked from commit a46f829de8)
This commit is contained in:
Camilla Löwy
2019-07-08 14:45:31 +02:00
parent 632d35e0d4
commit 5f3e5542cf
4 changed files with 120 additions and 43 deletions
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src/win32_window.c
+58 -25
View File
@@ -251,20 +251,24 @@ static void updateCursorImage(_GLFWwindow* window)
SetCursor(NULL);
}
// Updates the cursor clip rect
// Sets the cursor clip rect to the window content area
//
static void updateClipRect(_GLFWwindow* window)
static void captureCursor(_GLFWwindow* window)
{
if (window)
{
RECT clipRect;
GetClientRect(window->win32.handle, &clipRect);
ClientToScreen(window->win32.handle, (POINT*) &clipRect.left);
ClientToScreen(window->win32.handle, (POINT*) &clipRect.right);
ClipCursor(&clipRect);
}
else
ClipCursor(NULL);
RECT clipRect;
GetClientRect(window->win32.handle, &clipRect);
ClientToScreen(window->win32.handle, (POINT*) &clipRect.left);
ClientToScreen(window->win32.handle, (POINT*) &clipRect.right);
ClipCursor(&clipRect);
_glfw.win32.capturedCursorWindow = window;
}
// Disabled clip cursor
//
static void releaseCursor(void)
{
ClipCursor(NULL);
_glfw.win32.capturedCursorWindow = NULL;
}
// Enables WM_INPUT messages for the mouse for the specified window
@@ -303,7 +307,7 @@ static void disableCursor(_GLFWwindow* window)
&_glfw.win32.restoreCursorPosY);
updateCursorImage(window);
_glfwCenterCursorInContentArea(window);
updateClipRect(window);
captureCursor(window);
if (window->rawMouseMotion)
enableRawMouseMotion(window);
@@ -317,7 +321,7 @@ static void enableCursor(_GLFWwindow* window)
disableRawMouseMotion(window);
_glfw.win32.disabledCursorWindow = NULL;
updateClipRect(NULL);
releaseCursor();
_glfwPlatformSetCursorPos(window,
_glfw.win32.restoreCursorPosX,
_glfw.win32.restoreCursorPosY);
@@ -1033,8 +1037,8 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
(window->win32.maximized &&
wParam != SIZE_RESTORED);
if (_glfw.win32.disabledCursorWindow == window)
updateClipRect(window);
if (_glfw.win32.capturedCursorWindow == window)
captureCursor(window);
if (window->win32.iconified != iconified)
_glfwInputWindowIconify(window, iconified);
@@ -1069,8 +1073,8 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
case WM_MOVE:
{
if (_glfw.win32.disabledCursorWindow == window)
updateClipRect(window);
if (_glfw.win32.capturedCursorWindow == window)
captureCursor(window);
// NOTE: This cannot use LOWORD/HIWORD recommended by MSDN, as
// those macros do not handle negative window positions correctly
@@ -1540,7 +1544,10 @@ void _glfwPlatformDestroyWindow(_GLFWwindow* window)
window->context.destroy(window);
if (_glfw.win32.disabledCursorWindow == window)
_glfw.win32.disabledCursorWindow = NULL;
enableCursor(window);
if (_glfw.win32.capturedCursorWindow == window)
releaseCursor();
if (window->win32.handle)
{
@@ -2156,14 +2163,40 @@ void _glfwPlatformSetCursorPos(_GLFWwindow* window, double xpos, double ypos)
void _glfwPlatformSetCursorMode(_GLFWwindow* window, int mode)
{
if (mode == GLFW_CURSOR_DISABLED)
if (_glfwPlatformWindowFocused(window))
{
if (_glfwPlatformWindowFocused(window))
disableCursor(window);
if (mode == GLFW_CURSOR_DISABLED)
{
_glfwPlatformGetCursorPos(window,
&_glfw.win32.restoreCursorPosX,
&_glfw.win32.restoreCursorPosY);
_glfwCenterCursorInContentArea(window);
if (window->rawMouseMotion)
enableRawMouseMotion(window);
}
else if (_glfw.win32.disabledCursorWindow == window)
{
if (window->rawMouseMotion)
disableRawMouseMotion(window);
}
if (mode == GLFW_CURSOR_DISABLED)
captureCursor(window);
else
releaseCursor();
if (mode == GLFW_CURSOR_DISABLED)
_glfw.win32.disabledCursorWindow = window;
else if (_glfw.win32.disabledCursorWindow == window)
{
_glfw.win32.disabledCursorWindow = NULL;
_glfwPlatformSetCursorPos(window,
_glfw.win32.restoreCursorPosX,
_glfw.win32.restoreCursorPosY);
}
}
else if (_glfw.win32.disabledCursorWindow == window)
enableCursor(window);
else if (cursorInContentArea(window))
if (cursorInContentArea(window))
updateCursorImage(window);
}