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Added two-dimensional scrolling API and X11 implementation.

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This commit is contained in:
Camilla Berglund 2010-09-27 02:09:54 +02:00
parent 9fc3fe644b
commit 007766bd91
7 changed files with 58 additions and 46 deletions
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7
include/GL/glfw3.h
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@ -389,7 +389,7 @@ typedef void (* GLFWwindowfocusfun)(GLFWwindow,int);
typedef void (* GLFWwindowiconifyfun)(GLFWwindow,int);
typedef void (* GLFWmousebuttonfun)(GLFWwindow,int,int);
typedef void (* GLFWmouseposfun)(GLFWwindow,int,int);
typedef void (* GLFWmousewheelfun)(GLFWwindow,int);
typedef void (* GLFWscrollfun)(GLFWwindow,int,int);
typedef void (* GLFWkeyfun)(GLFWwindow,int,int);
typedef void (* GLFWcharfun)(GLFWwindow,int);
@ -443,13 +443,12 @@ GLFWAPI int glfwGetKey(GLFWwindow window, int key);
GLFWAPI int glfwGetMouseButton(GLFWwindow window, int button);
GLFWAPI void glfwGetMousePos(GLFWwindow window, int* xpos, int* ypos);
GLFWAPI void glfwSetMousePos(GLFWwindow window, int xpos, int ypos);
GLFWAPI int glfwGetMouseWheel(GLFWwindow window);
GLFWAPI void glfwSetMouseWheel(GLFWwindow window, int pos);
GLFWAPI void glfwGetScrollOffset(GLFWwindow window, int* x, int* y);
GLFWAPI void glfwSetKeyCallback(GLFWwindow window, GLFWkeyfun cbfun);
GLFWAPI void glfwSetCharCallback(GLFWwindow window, GLFWcharfun cbfun);
GLFWAPI void glfwSetMouseButtonCallback(GLFWwindow window, GLFWmousebuttonfun cbfun);
GLFWAPI void glfwSetMousePosCallback(GLFWwindow window, GLFWmouseposfun cbfun);
GLFWAPI void glfwSetMouseWheelCallback(GLFWwindow window, GLFWmousewheelfun cbfun);
GLFWAPI void glfwSetScrollCallback(GLFWwindow window, GLFWscrollfun cbfun);
/* Joystick input */
GLFWAPI int glfwGetJoystickParam(int joy, int param);

1
readme.html
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@ -276,6 +276,7 @@ version of GLFW.</p>
<li>Renamed <code>glfw.h</code> to <code>glfw3.h</code> to avoid conflicts with 2.x series</li>
<li>Renamed <code>GLFW_WINDOW</code> token to <code>GLFW_WINDOWED</code></li>
<li>Replaced ad hoc build system with CMake</li>
<li>Replaced mouse wheel interface with two-dimensional scrolling interface</li>
<li>Made Unicode character input unaffected by <code>GLFW_KEY_REPEAT</code></li>
<li>Removed event auto-polling and the <code>GLFW_AUTO_POLL_EVENTS</code> window enable</li>
<li>Removed the entire threading API</li>

36
src/input.c
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@ -148,26 +148,10 @@ GLFWAPI void glfwSetMousePos(GLFWwindow window, int xpos, int ypos)
//========================================================================
// Returns the mouse wheel "position" for the specified window
// Returns the scroll offset for the specified window
//========================================================================
GLFWAPI int glfwGetMouseWheel(GLFWwindow window)
{
if (!_glfwInitialized)
{
_glfwSetError(GLFW_NOT_INITIALIZED);
return 0;
}
return window->wheelPos;
}
//========================================================================
// Sets the mouse wheel "position" for the specified window
//========================================================================
GLFWAPI void glfwSetMouseWheel(GLFWwindow window, int pos)
GLFWAPI void glfwGetScrollOffset(GLFWwindow window, int* x, int* y)
{
if (!_glfwInitialized)
{
@ -175,7 +159,11 @@ GLFWAPI void glfwSetMouseWheel(GLFWwindow window, int pos)
return;
}
window->wheelPos = pos;
if (x)
*x = window->scrollX;
if (y)
*y = window->scrollY;
}
@ -250,10 +238,10 @@ GLFWAPI void glfwSetMousePosCallback(GLFWwindow window, GLFWmouseposfun cbfun)
//========================================================================
// Set callback function for mouse wheel
// Set callback function for scroll events
//========================================================================
GLFWAPI void glfwSetMouseWheelCallback(GLFWwindow window, GLFWmousewheelfun cbfun)
GLFWAPI void glfwSetScrollCallback(GLFWwindow window, GLFWscrollfun cbfun)
{
if (!_glfwInitialized)
{
@ -262,11 +250,11 @@ GLFWAPI void glfwSetMouseWheelCallback(GLFWwindow window, GLFWmousewheelfun cbfu
}
// Set callback function
window->mouseWheelCallback = cbfun;
window->scrollCallback = cbfun;
// Call the callback function to let the application know the current
// mouse wheel position
// scroll offset
if (cbfun)
cbfun(window, window->wheelPos);
cbfun(window, window->scrollX, window->scrollY);
}

4
src/internal.h
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@ -152,7 +152,7 @@ typedef struct _GLFWwindow
GLFWwindowiconifyfun windowIconifyCallback;
GLFWmousebuttonfun mouseButtonCallback;
GLFWmouseposfun mousePosCallback;
GLFWmousewheelfun mouseWheelCallback;
GLFWscrollfun scrollCallback;
GLFWkeyfun keyCallback;
GLFWcharfun charCallback;
@ -172,7 +172,7 @@ typedef struct _GLFWwindow
GLboolean stickyMouseButtons;
GLboolean keyRepeat;
int mousePosX, mousePosY;
int wheelPos;
int scrollX, scrollY;
char mouseButton[GLFW_MOUSE_BUTTON_LAST + 1];
char key[GLFW_KEY_LAST + 1];

17
src/window.c
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@ -91,7 +91,8 @@ void clearInputState(_GLFWwindow* window)
window->mousePosY = 0;
// Set mouse wheel position to 0
window->wheelPos = 0;
window->scrollX = 0;
window->scrollY = 0;
// The default is to use non sticky keys and mouse buttons
window->stickyKeys = GL_FALSE;
@ -163,6 +164,20 @@ void _glfwInputChar(_GLFWwindow* window, int character)
}
//========================================================================
// Register scroll events
//========================================================================
void _glfwInputScroll(_GLFWwindow* window, int x, int y)
{
window->scrollX += x;
window->scrollY += y;
if (window->scrollCallback)
window->scrollCallback(window, x, y);
}
//========================================================================
// Register mouse button clicks
//========================================================================

33
src/x11/x11_window.c
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@ -41,6 +41,9 @@
#define _NET_WM_STATE_ADD 1
#define _NET_WM_STATE_TOGGLE 2
// Additional mouse button names for XButtonEvent
#define Button6 6
#define Button7 7
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
@ -1094,17 +1097,15 @@ static void processSingleEvent(void)
// XFree86 3.3.2 and later translates mouse wheel up/down into
// mouse button 4 & 5 presses
else if (event.xbutton.button == Button4)
{
window->wheelPos++; // To verify: is this up or down?
if (window->mouseWheelCallback)
window->mouseWheelCallback(window, window->wheelPos);
}
_glfwInputScroll(window, 0, 1);
else if (event.xbutton.button == Button5)
{
window->wheelPos--;
if (window->mouseWheelCallback)
window->mouseWheelCallback(window, window->wheelPos);
}
_glfwInputScroll(window, 0, -1);
else if (event.xbutton.button == Button6)
_glfwInputScroll(window, -1, 0);
else if (event.xbutton.button == Button7)
_glfwInputScroll(window, 1, 0);
break;
}
@ -1741,8 +1742,15 @@ void _glfwPlatformPollEvents(void)
{
_GLFWwindow* window;
for (window = _glfwLibrary.windowListHead; window; window = window->next)
{
window->scrollX = 0;
window->scrollY = 0;
}
// Flag that the cursor has not moved
if (window = _glfwLibrary.cursorLockWindow)
window = _glfwLibrary.cursorLockWindow;
if (window)
window->X11.mouseMoved = GL_FALSE;
// Process all pending events
@ -1750,7 +1758,8 @@ void _glfwPlatformPollEvents(void)
processSingleEvent();
// Did we get mouse movement in fully enabled hidden cursor mode?
if (window = _glfwLibrary.cursorLockWindow)
window = _glfwLibrary.cursorLockWindow;
if (window)
{
if (window->X11.mouseMoved && window->X11.pointerHidden)
{

6
tests/events.c
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@ -218,9 +218,9 @@ static void mouse_position_callback(GLFWwindow window, int x, int y)
printf("%08x at %0.3f: Mouse position: %i %i\n", counter++, glfwGetTime(), x, y);
}
static void mouse_wheel_callback(GLFWwindow window, int position)
static void scroll_callback(GLFWwindow window, int x, int y)
{
printf("%08x at %0.3f: Mouse wheel: %i\n", counter++, glfwGetTime(), position);
printf("%08x at %0.3f: Scroll: %i %i\n", counter++, glfwGetTime(), x, y);
}
static void key_callback(GLFWwindow window, int key, int action)
@ -310,7 +310,7 @@ int main(void)
glfwSetWindowIconifyCallback(window, window_iconify_callback);
glfwSetMouseButtonCallback(window, mouse_button_callback);
glfwSetMousePosCallback(window, mouse_position_callback);
glfwSetMouseWheelCallback(window, mouse_wheel_callback);
glfwSetScrollCallback(window, scroll_callback);
glfwSetKeyCallback(window, key_callback);
glfwSetCharCallback(window, char_callback);