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Added return by setters of previous callback.

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This commit is contained in:
Camilla Berglund 2013-04-08 21:21:21 +02:00
parent 37a137559e
commit 11a27de3d3
5 changed files with 147 additions and 41 deletions
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58
include/GL/glfw3.h
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@ -908,6 +908,8 @@ GLFWAPI const char* glfwGetVersionString(void);
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
*
* @return The previously set callback, or `NULL` if an error occurred.
*
* @remarks This function may be called before @ref glfwInit.
*
* @note The error callback is called by the thread where the error was
@ -921,7 +923,7 @@ GLFWAPI const char* glfwGetVersionString(void);
*
* @ingroup error
*/
GLFWAPI void glfwSetErrorCallback(GLFWerrorfun cbfun);
GLFWAPI GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun cbfun);
/*! @brief Returns the currently connected monitors.
*
@ -1005,12 +1007,13 @@ GLFWAPI const char* glfwGetMonitorName(GLFWmonitor* monitor);
*
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
* @return The previously set callback, or `NULL` if an error occurred.
*
* @bug This callback is not yet called on monitor configuration changes.
*
* @ingroup monitor
*/
GLFWAPI void glfwSetMonitorCallback(GLFWmonitorfun cbfun);
GLFWAPI GLFWmonitorfun glfwSetMonitorCallback(GLFWmonitorfun cbfun);
/*! @brief Returns the available video modes for the specified monitor.
*
@ -1502,9 +1505,11 @@ GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow* window);
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
*
* @return The previously set callback, or `NULL` if an error occurred.
*
* @ingroup window
*/
GLFWAPI void glfwSetWindowPosCallback(GLFWwindow* window, GLFWwindowposfun cbfun);
GLFWAPI GLFWwindowposfun glfwSetWindowPosCallback(GLFWwindow* window, GLFWwindowposfun cbfun);
/*! @brief Sets the size callback for the specified window.
*
@ -1516,9 +1521,11 @@ GLFWAPI void glfwSetWindowPosCallback(GLFWwindow* window, GLFWwindowposfun cbfun
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
*
* @return The previously set callback, or `NULL` if an error occurred.
*
* @ingroup window
*/
GLFWAPI void glfwSetWindowSizeCallback(GLFWwindow* window, GLFWwindowsizefun cbfun);
GLFWAPI GLFWwindowsizefun glfwSetWindowSizeCallback(GLFWwindow* window, GLFWwindowsizefun cbfun);
/*! @brief Sets the close callback for the specified window.
*
@ -1536,12 +1543,14 @@ GLFWAPI void glfwSetWindowSizeCallback(GLFWwindow* window, GLFWwindowsizefun cbf
* @remarks Calling @ref glfwDestroyWindow does not cause this callback to be
* called.
*
* @return The previously set callback, or `NULL` if an error occurred.
*
* @remarks **Mac OS X:** Selecting Quit from the application menu will
* trigger the close callback for all windows.
*
* @ingroup window
*/
GLFWAPI void glfwSetWindowCloseCallback(GLFWwindow* window, GLFWwindowclosefun cbfun);
GLFWAPI GLFWwindowclosefun glfwSetWindowCloseCallback(GLFWwindow* window, GLFWwindowclosefun cbfun);
/*! @brief Sets the refresh callback for the specified window.
*
@ -1556,10 +1565,15 @@ GLFWAPI void glfwSetWindowCloseCallback(GLFWwindow* window, GLFWwindowclosefun c
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
* @return The previously set callback, or `NULL` if an error occurred.
*
* @note On compositing window systems such as Aero, Compiz or Aqua, where the
* window contents are saved off-screen, this callback may be called only very
* infrequently or never at all.
*
* @ingroup window
*/
GLFWAPI void glfwSetWindowRefreshCallback(GLFWwindow* window, GLFWwindowrefreshfun cbfun);
GLFWAPI GLFWwindowrefreshfun glfwSetWindowRefreshCallback(GLFWwindow* window, GLFWwindowrefreshfun cbfun);
/*! @brief Sets the focus callback for the specified window.
*
@ -1570,9 +1584,11 @@ GLFWAPI void glfwSetWindowRefreshCallback(GLFWwindow* window, GLFWwindowrefreshf
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
*
* @return The previously set callback, or `NULL` if an error occurred.
*
* @ingroup window
*/
GLFWAPI void glfwSetWindowFocusCallback(GLFWwindow* window, GLFWwindowfocusfun cbfun);
GLFWAPI GLFWwindowfocusfun glfwSetWindowFocusCallback(GLFWwindow* window, GLFWwindowfocusfun cbfun);
/*! @brief Sets the iconify callback for the specified window.
*
@ -1583,9 +1599,11 @@ GLFWAPI void glfwSetWindowFocusCallback(GLFWwindow* window, GLFWwindowfocusfun c
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
*
* @return The previously set callback, or `NULL` if an error occurred.
*
* @ingroup window
*/
GLFWAPI void glfwSetWindowIconifyCallback(GLFWwindow* window, GLFWwindowiconifyfun cbfun);
GLFWAPI GLFWwindowiconifyfun glfwSetWindowIconifyCallback(GLFWwindow* window, GLFWwindowiconifyfun cbfun);
/*! @brief Processes all pending events.
*
@ -1786,9 +1804,11 @@ GLFWAPI void glfwSetCursorPos(GLFWwindow* window, double xpos, double ypos);
* @param[in] cbfun The new key callback, or `NULL` to remove the currently
* set callback.
*
* @return The previously set callback, or `NULL` if an error occurred.
*
* @ingroup input
*/
GLFWAPI void glfwSetKeyCallback(GLFWwindow* window, GLFWkeyfun cbfun);
GLFWAPI GLFWkeyfun glfwSetKeyCallback(GLFWwindow* window, GLFWkeyfun cbfun);
/*! @brief Sets the Unicode character callback.
*
@ -1803,9 +1823,11 @@ GLFWAPI void glfwSetKeyCallback(GLFWwindow* window, GLFWkeyfun cbfun);
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
*
* @return The previously set callback, or `NULL` if an error occurred.
*
* @ingroup input
*/
GLFWAPI void glfwSetCharCallback(GLFWwindow* window, GLFWcharfun cbfun);
GLFWAPI GLFWcharfun glfwSetCharCallback(GLFWwindow* window, GLFWcharfun cbfun);
/*! @brief Sets the mouse button callback.
*
@ -1816,9 +1838,11 @@ GLFWAPI void glfwSetCharCallback(GLFWwindow* window, GLFWcharfun cbfun);
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
*
* @return The previously set callback, or `NULL` if an error occurred.
*
* @ingroup input
*/
GLFWAPI void glfwSetMouseButtonCallback(GLFWwindow* window, GLFWmousebuttonfun cbfun);
GLFWAPI GLFWmousebuttonfun glfwSetMouseButtonCallback(GLFWwindow* window, GLFWmousebuttonfun cbfun);
/*! @brief Sets the cursor position callback.
*
@ -1830,9 +1854,11 @@ GLFWAPI void glfwSetMouseButtonCallback(GLFWwindow* window, GLFWmousebuttonfun c
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
*
* @return The previously set callback, or `NULL` if an error occurred.
*
* @ingroup input
*/
GLFWAPI void glfwSetCursorPosCallback(GLFWwindow* window, GLFWcursorposfun cbfun);
GLFWAPI GLFWcursorposfun glfwSetCursorPosCallback(GLFWwindow* window, GLFWcursorposfun cbfun);
/*! @brief Sets the cursor enter/exit callback.
*
@ -1844,9 +1870,11 @@ GLFWAPI void glfwSetCursorPosCallback(GLFWwindow* window, GLFWcursorposfun cbfun
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
*
* @return The previously set callback, or `NULL` if an error occurred.
*
* @ingroup input
*/
GLFWAPI void glfwSetCursorEnterCallback(GLFWwindow* window, GLFWcursorenterfun cbfun);
GLFWAPI GLFWcursorenterfun glfwSetCursorEnterCallback(GLFWwindow* window, GLFWcursorenterfun cbfun);
/*! @brief Sets the scroll callback.
*
@ -1861,9 +1889,11 @@ GLFWAPI void glfwSetCursorEnterCallback(GLFWwindow* window, GLFWcursorenterfun c
* @remarks This receives all scrolling input, like that from a mouse wheel or
* a touchpad scrolling area.
*
* @return The previously set callback, or `NULL` if an error occurred.
*
* @ingroup input
*/
GLFWAPI void glfwSetScrollCallback(GLFWwindow* window, GLFWscrollfun cbfun);
GLFWAPI GLFWscrollfun glfwSetScrollCallback(GLFWwindow* window, GLFWscrollfun cbfun);
/*! @brief Returns a parameter of the specified joystick.
*

4
src/init.c
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@ -190,8 +190,10 @@ GLFWAPI const char* glfwGetVersionString(void)
return _glfwPlatformGetVersionString();
}
GLFWAPI void glfwSetErrorCallback(GLFWerrorfun cbfun)
GLFWAPI GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun cbfun)
{
GLFWerrorfun previous = _glfwErrorCallback;
_glfwErrorCallback = cbfun;
return previous;
}

58
src/input.c
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@ -337,45 +337,79 @@ GLFWAPI void glfwSetCursorPos(GLFWwindow* handle, double xpos, double ypos)
_glfwPlatformSetCursorPos(window, xpos, ypos);
}
GLFWAPI void glfwSetKeyCallback(GLFWwindow* handle, GLFWkeyfun cbfun)
GLFWAPI GLFWkeyfun glfwSetKeyCallback(GLFWwindow* handle, GLFWkeyfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
GLFWkeyfun previous;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
previous = window->callbacks.key;
window->callbacks.key = cbfun;
return previous;
}
GLFWAPI void glfwSetCharCallback(GLFWwindow* handle, GLFWcharfun cbfun)
GLFWAPI GLFWcharfun glfwSetCharCallback(GLFWwindow* handle, GLFWcharfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
GLFWcharfun previous;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
previous = window->callbacks.character;
window->callbacks.character = cbfun;
return previous;
}
GLFWAPI void glfwSetMouseButtonCallback(GLFWwindow* handle, GLFWmousebuttonfun cbfun)
GLFWAPI GLFWmousebuttonfun glfwSetMouseButtonCallback(GLFWwindow* handle,
GLFWmousebuttonfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
GLFWmousebuttonfun previous;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
previous = window->callbacks.mouseButton;
window->callbacks.mouseButton = cbfun;
return previous;
}
GLFWAPI void glfwSetCursorPosCallback(GLFWwindow* handle, GLFWcursorposfun cbfun)
GLFWAPI GLFWcursorposfun glfwSetCursorPosCallback(GLFWwindow* handle,
GLFWcursorposfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
GLFWcursorposfun previous;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
previous = window->callbacks.cursorPos;
window->callbacks.cursorPos = cbfun;
return previous;
}
GLFWAPI void glfwSetCursorEnterCallback(GLFWwindow* handle, GLFWcursorenterfun cbfun)
GLFWAPI GLFWcursorenterfun glfwSetCursorEnterCallback(GLFWwindow* handle,
GLFWcursorenterfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
GLFWcursorenterfun previous;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
previous = window->callbacks.cursorEnter;
window->callbacks.cursorEnter = cbfun;
return previous;
}
GLFWAPI void glfwSetScrollCallback(GLFWwindow* handle, GLFWscrollfun cbfun)
GLFWAPI GLFWscrollfun glfwSetScrollCallback(GLFWwindow* handle,
GLFWscrollfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
GLFWscrollfun previous;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
previous = window->callbacks.scroll;
window->callbacks.scroll = cbfun;
return previous;
}

8
src/monitor.c
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@ -289,10 +289,14 @@ GLFWAPI const char* glfwGetMonitorName(GLFWmonitor* handle)
return monitor->name;
}
GLFWAPI void glfwSetMonitorCallback(GLFWmonitorfun cbfun)
GLFWAPI GLFWmonitorfun glfwSetMonitorCallback(GLFWmonitorfun cbfun)
{
_GLFW_REQUIRE_INIT();
GLFWmonitorfun previous;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
previous = _glfw.monitorCallback;
_glfw.monitorCallback = cbfun;
return previous;
}
GLFWAPI const GLFWvidmode* glfwGetVideoModes(GLFWmonitor* handle, int* count)

60
src/window.c
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@ -582,46 +582,82 @@ GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow* handle)
return window->userPointer;
}
GLFWAPI void glfwSetWindowPosCallback(GLFWwindow* handle, GLFWwindowposfun cbfun)
GLFWAPI GLFWwindowposfun glfwSetWindowPosCallback(GLFWwindow* handle,
GLFWwindowposfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
GLFWwindowposfun previous;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
previous = window->callbacks.pos;
window->callbacks.pos = cbfun;
return previous;
}
GLFWAPI void glfwSetWindowSizeCallback(GLFWwindow* handle, GLFWwindowsizefun cbfun)
GLFWAPI GLFWwindowsizefun glfwSetWindowSizeCallback(GLFWwindow* handle,
GLFWwindowsizefun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
GLFWwindowsizefun previous;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
previous = window->callbacks.size;
window->callbacks.size = cbfun;
return previous;
}
GLFWAPI void glfwSetWindowCloseCallback(GLFWwindow* handle, GLFWwindowclosefun cbfun)
GLFWAPI GLFWwindowclosefun glfwSetWindowCloseCallback(GLFWwindow* handle,
GLFWwindowclosefun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
GLFWwindowclosefun previous;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
previous = window->callbacks.close;
window->callbacks.close = cbfun;
return previous;
}
GLFWAPI void glfwSetWindowRefreshCallback(GLFWwindow* handle, GLFWwindowrefreshfun cbfun)
GLFWAPI GLFWwindowrefreshfun glfwSetWindowRefreshCallback(GLFWwindow* handle,
GLFWwindowrefreshfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
GLFWwindowrefreshfun previous;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
previous = window->callbacks.refresh;
window->callbacks.refresh = cbfun;
return previous;
}
GLFWAPI void glfwSetWindowFocusCallback(GLFWwindow* handle, GLFWwindowfocusfun cbfun)
GLFWAPI GLFWwindowfocusfun glfwSetWindowFocusCallback(GLFWwindow* handle,
GLFWwindowfocusfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
GLFWwindowfocusfun previous;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
previous = window->callbacks.focus;
window->callbacks.focus = cbfun;
return previous;
}
GLFWAPI void glfwSetWindowIconifyCallback(GLFWwindow* handle, GLFWwindowiconifyfun cbfun)
GLFWAPI GLFWwindowiconifyfun glfwSetWindowIconifyCallback(GLFWwindow* handle,
GLFWwindowiconifyfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
GLFWwindowiconifyfun previous;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
previous = window->callbacks.iconify;
window->callbacks.iconify = cbfun;
return previous;
}
GLFWAPI void glfwPollEvents(void)