Commit ee9dffcd authored by Camilla Löwy's avatar Camilla Löwy
Browse files

Add GLFW_HOVERED for polling cursor hover state

This window attribute corresponds to the cursor enter/leave callback.

Fixes #1166.
parent 370eac3c
......@@ -162,6 +162,7 @@ information on what to include when reporting a bug.
- Added definition of `GLAPIENTRY` to public header
- Added `GLFW_TRANSPARENT_FRAMEBUFFER` window hint and attribute for controlling
per-pixel framebuffer transparency (#197,#663,#715,#723,#1078)
- Added `GLFW_HOVERED` window attribute for polling cursor hover state (#1166)
- Added `GLFW_CENTER_CURSOR` window hint for controlling cursor centering
(#749,#842)
- Added `GLFW_JOYSTICK_HAT_BUTTONS` init hint (#889)
......
......@@ -419,6 +419,16 @@ void cursor_enter_callback(GLFWwindow* window, int entered)
}
@endcode
You can query whether the cursor is currently inside the client area of the
window with the [GLFW_HOVERED](@ref GLFW_HOVERED_attrib) window attribute.
@code
if (glfwGetWindowAttrib(window, GLFW_HOVERED))
{
highlight_interface();
}
@endcode
@subsection input_mouse_button Mouse button input
......
......@@ -1220,6 +1220,11 @@ See @ref window_iconify for details.
__GLFW_MAXIMIZED__ indicates whether the specified window is maximized. See
@ref window_maximize for details.
@anchor GLFW_HOVERED_attrib
__GLFW_HOVERED__ indicates whether the cursor is currently directly over the
client area of the window, with no other windows between. See @ref cursor_enter
for details.
@anchor GLFW_VISIBLE_attrib
__GLFW_VISIBLE__ indicates whether the specified window is visible. See @ref
window_hide for details.
......
......@@ -814,6 +814,7 @@ extern "C" {
* [window attribute](@ref GLFW_TRANSPARENT_FRAMEBUFFER_attrib).
*/
#define GLFW_TRANSPARENT_FRAMEBUFFER 0x0002000A
#define GLFW_HOVERED 0x0002000B
/*! @brief Framebuffer bit depth hint.
*
......
......@@ -1488,6 +1488,20 @@ int _glfwPlatformWindowMaximized(_GLFWwindow* window)
return [window->ns.object isZoomed];
}
int _glfwPlatformWindowHovered(_GLFWwindow* window)
{
const NSPoint point = [NSEvent mouseLocation];
if ([NSWindow windowNumberAtPoint:point belowWindowWithWindowNumber:0] !=
[window->ns.object windowNumber])
{
return GLFW_FALSE;
}
return NSPointInRect(point,
[window->ns.object convertRectToScreen:[window->ns.view bounds]]);
}
int _glfwPlatformFramebufferTransparent(_GLFWwindow* window)
{
return ![window->ns.object isOpaque] && ![window->ns.view isOpaque];
......
......@@ -690,6 +690,7 @@ int _glfwPlatformWindowFocused(_GLFWwindow* window);
int _glfwPlatformWindowIconified(_GLFWwindow* window);
int _glfwPlatformWindowVisible(_GLFWwindow* window);
int _glfwPlatformWindowMaximized(_GLFWwindow* window);
int _glfwPlatformWindowHovered(_GLFWwindow* window);
int _glfwPlatformFramebufferTransparent(_GLFWwindow* window);
float _glfwPlatformGetWindowOpacity(_GLFWwindow* window);
void _glfwPlatformSetWindowResizable(_GLFWwindow* window, GLFWbool enabled);
......
......@@ -627,6 +627,13 @@ int _glfwPlatformWindowMaximized(_GLFWwindow* window)
return mir_window_get_state(window->mir.window) == mir_window_state_maximized;
}
int _glfwPlatformWindowHovered(_GLFWwindow* window)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s", __PRETTY_FUNCTION__);
return GLFW_FALSE;
}
int _glfwPlatformFramebufferTransparent(_GLFWwindow* window)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
......
......@@ -165,6 +165,11 @@ int _glfwPlatformWindowMaximized(_GLFWwindow* window)
return GLFW_FALSE;
}
int _glfwPlatformWindowHovered(_GLFWwindow* window)
{
return GLFW_FALSE;
}
int _glfwPlatformFramebufferTransparent(_GLFWwindow* window)
{
return GLFW_FALSE;
......
......@@ -1578,6 +1578,11 @@ int _glfwPlatformWindowMaximized(_GLFWwindow* window)
return IsZoomed(window->win32.handle);
}
int _glfwPlatformWindowHovered(_GLFWwindow* window)
{
return cursorInClientArea(window);
}
int _glfwPlatformFramebufferTransparent(_GLFWwindow* window)
{
return window->win32.transparent && _glfwIsCompositionEnabledWin32();
......
......@@ -785,6 +785,8 @@ GLFWAPI int glfwGetWindowAttrib(GLFWwindow* handle, int attrib)
return _glfwPlatformWindowVisible(window);
case GLFW_MAXIMIZED:
return _glfwPlatformWindowMaximized(window);
case GLFW_HOVERED:
return _glfwPlatformWindowHovered(window);
case GLFW_TRANSPARENT_FRAMEBUFFER:
return _glfwPlatformFramebufferTransparent(window);
case GLFW_RESIZABLE:
......
......@@ -54,6 +54,8 @@ static void pointerHandleEnter(void* data,
_glfw.wl.pointerSerial = serial;
_glfw.wl.pointerFocus = window;
window->wl.hovered = GLFW_TRUE;
_glfwPlatformSetCursor(window, window->wl.currentCursor);
_glfwInputCursorEnter(window, GLFW_TRUE);
}
......@@ -68,6 +70,8 @@ static void pointerHandleLeave(void* data,
if (!window)
return;
window->wl.hovered = GLFW_FALSE;
_glfw.wl.pointerSerial = serial;
_glfw.wl.pointerFocus = NULL;
_glfwInputCursorEnter(window, GLFW_FALSE);
......
......@@ -117,6 +117,7 @@ typedef struct _GLFWwindowWayland
int width, height;
GLFWbool visible;
GLFWbool maximized;
GLFWbool hovered;
GLFWbool transparent;
struct wl_surface* surface;
struct wl_egl_window* native;
......
......@@ -692,6 +692,11 @@ int _glfwPlatformWindowMaximized(_GLFWwindow* window)
return window->wl.maximized;
}
int _glfwPlatformWindowHovered(_GLFWwindow* window)
{
return window->wl.hovered;
}
int _glfwPlatformFramebufferTransparent(_GLFWwindow* window)
{
return window->wl.transparent;
......
......@@ -2453,6 +2453,28 @@ int _glfwPlatformWindowMaximized(_GLFWwindow* window)
return maximized;
}
int _glfwPlatformWindowHovered(_GLFWwindow* window)
{
Window w = _glfw.x11.root;
while (w)
{
Window root;
int rootX, rootY, childX, childY;
unsigned int mask;
if (!XQueryPointer(_glfw.x11.display, w,
&root, &w, &rootX, &rootY, &childX, &childY, &mask))
{
return GLFW_FALSE;
}
if (w == window->x11.handle)
return GLFW_TRUE;
}
return GLFW_FALSE;
}
int _glfwPlatformFramebufferTransparent(_GLFWwindow* window)
{
if (!window->x11.transparent)
......
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