Commit 2d1b8357 authored by Camilla Berglund's avatar Camilla Berglund
Browse files

Added a conservative set of key modifiers.

parent 7f2eb7b1
......@@ -309,6 +309,7 @@ GLFW.
* Added `GLFW_VISIBLE` window hint and parameter for controlling and polling
window visibility
* Added `GLFW_REPEAT` key action for repeated keys
* Added key modifier parameter to key and mouse button callbacks
* Added `windows` simple multi-window test program
* Added `sharing` simple OpenGL object sharing test program
* Added `modes` video mode enumeration and setting test program
......
......@@ -43,7 +43,7 @@
void init( void );
void display( void );
void reshape( GLFWwindow* window, int w, int h );
void key_callback( GLFWwindow* window, int key, int action );
void key_callback( GLFWwindow* window, int key, int action, int mods );
void DrawBoingBall( void );
void BounceBall( double dt );
void DrawBoingBallBand( GLfloat long_lo, GLfloat long_hi );
......@@ -245,7 +245,7 @@ void reshape( GLFWwindow* window, int w, int h )
0.0, -1.0, 0.0 ); /* up vector */
}
void key_callback( GLFWwindow* window, int key, int action )
void key_callback( GLFWwindow* window, int key, int action, int mods )
{
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
glfwSetWindowShouldClose(window, GL_TRUE);
......
......@@ -211,13 +211,13 @@ static void animate(void)
/* change view angle, exit upon ESC */
void key( GLFWwindow* window, int k, int action )
void key( GLFWwindow* window, int k, int action, int mods )
{
if( action != GLFW_PRESS ) return;
switch (k) {
case GLFW_KEY_Z:
if( glfwGetKey( window, GLFW_KEY_LEFT_SHIFT ) )
if( mods & GLFW_MOD_SHIFT )
view_rotz -= 5.0;
else
view_rotz += 5.0;
......
......@@ -477,7 +477,7 @@ static void update_mesh(void)
* GLFW callback functions
*********************************************************************/
static void key_callback(GLFWwindow* window, int key, int action)
static void key_callback(GLFWwindow* window, int key, int action, int mods)
{
switch(key)
{
......
......@@ -414,7 +414,7 @@ static void cursorPosFun(GLFWwindow* window, double x, double y)
// Mouse button callback function
//========================================================================
static void mouseButtonFun(GLFWwindow* window, int button, int action)
static void mouseButtonFun(GLFWwindow* window, int button, int action, int mods)
{
if ((button == GLFW_MOUSE_BUTTON_LEFT) && action == GLFW_PRESS)
{
......@@ -434,7 +434,7 @@ static void mouseButtonFun(GLFWwindow* window, int button, int action)
do_redraw = 1;
}
static void key_callback(GLFWwindow* window, int key, int action)
static void key_callback(GLFWwindow* window, int key, int action, int mods)
{
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
glfwSetWindowShouldClose(window, GL_TRUE);
......
......@@ -270,7 +270,7 @@ static void error_callback(int error, const char* description)
// Handle key strokes
//========================================================================
void key_callback(GLFWwindow* window, int key, int action)
void key_callback(GLFWwindow* window, int key, int action, int mods)
{
if (action != GLFW_PRESS)
return;
......@@ -313,7 +313,7 @@ void key_callback(GLFWwindow* window, int key, int action)
// Callback function for mouse button events
//========================================================================
void mouse_button_callback(GLFWwindow* window, int button, int action)
void mouse_button_callback(GLFWwindow* window, int button, int action, int mods)
{
if (button != GLFW_MOUSE_BUTTON_LEFT)
return;
......
......@@ -407,6 +407,21 @@ extern "C" {
/*! @} */
/*! @name keys Modifier key flags
* @{ */
/*! @ingroup input
*/
#define GLFW_MOD_SHIFT 0x0001
/*! @ingroup input
*/
#define GLFW_MOD_CTRL 0x0002
/*! @ingroup input
*/
#define GLFW_MOD_ALT 0x0004
/*! @} */
/*! @defgroup buttons Mouse buttons
* @ingroup input
* @{ */
......@@ -669,12 +684,13 @@ typedef void (* GLFWwindowiconifyfun)(GLFWwindow*,int);
* @param[in] button The [mouse button](@ref buttons) that was pressed or
* released.
* @param[in] action One of `GLFW_PRESS` or `GLFW_RELEASE`.
* @param[in] mods Bit field describing which modifier keys were held down.
*
* @sa glfwSetMouseButtonCallback
*
* @ingroup input
*/
typedef void (* GLFWmousebuttonfun)(GLFWwindow*,int,int);
typedef void (* GLFWmousebuttonfun)(GLFWwindow*,int,int,int);
/*! @brief The function signature for cursor position callbacks.
*
......@@ -725,12 +741,13 @@ typedef void (* GLFWscrollfun)(GLFWwindow*,double,double);
* @param[in] window The window that received the event.
* @param[in] key The [keyboard key](@ref keys) that was pressed or released.
* @param[in] action @ref GLFW_PRESS, @ref GLFW_RELEASE or @ref GLFW_REPEAT.
* @param[in] mods Bit field describing which modifier keys were held down.
*
* @sa glfwSetKeyCallback
*
* @ingroup input
*/
typedef void (* GLFWkeyfun)(GLFWwindow*,int,int);
typedef void (* GLFWkeyfun)(GLFWwindow*,int,int,int);
/*! @brief The function signature for Unicode character callbacks.
*
......
......@@ -201,6 +201,22 @@ static void centerCursor(_GLFWwindow *window)
@end
// Converts Mac OS X key modifiers into GLFW ones
//
static int convertKeyMods(NSUInteger flags)
{
int mods = 0;
if (flags & NSShiftKeyMask)
mods |= GLFW_MOD_SHIFT;
if (flags & NSControlKeyMask)
mods |= GLFW_MOD_CTRL;
if (flags & NSAlternateKeyMask)
mods |= GLFW_MOD_ALT;
return mods;
}
// Converts a Mac OS X keycode to a GLFW keycode
//
static int convertMacKeyCode(unsigned int macKeyCode)
......@@ -413,7 +429,10 @@ static int convertMacKeyCode(unsigned int macKeyCode)
- (void)mouseDown:(NSEvent *)event
{
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_PRESS);
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_LEFT,
GLFW_PRESS,
convertKeyMods([event modifierFlags]));
}
- (void)mouseDragged:(NSEvent *)event
......@@ -423,7 +442,10 @@ static int convertMacKeyCode(unsigned int macKeyCode)
- (void)mouseUp:(NSEvent *)event
{
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_RELEASE);
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_LEFT,
GLFW_RELEASE,
convertKeyMods([event modifierFlags]));
}
- (void)mouseMoved:(NSEvent *)event
......@@ -442,7 +464,10 @@ static int convertMacKeyCode(unsigned int macKeyCode)
- (void)rightMouseDown:(NSEvent *)event
{
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_PRESS);
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_RIGHT,
GLFW_PRESS,
convertKeyMods([event modifierFlags]));
}
- (void)rightMouseDragged:(NSEvent *)event
......@@ -452,12 +477,18 @@ static int convertMacKeyCode(unsigned int macKeyCode)
- (void)rightMouseUp:(NSEvent *)event
{
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_RELEASE);
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_RIGHT,
GLFW_RELEASE,
convertKeyMods([event modifierFlags]));
}
- (void)otherMouseDown:(NSEvent *)event
{
_glfwInputMouseClick(window, [event buttonNumber], GLFW_PRESS);
_glfwInputMouseClick(window,
[event buttonNumber],
GLFW_PRESS,
convertKeyMods([event modifierFlags]));
}
- (void)otherMouseDragged:(NSEvent *)event
......@@ -467,7 +498,10 @@ static int convertMacKeyCode(unsigned int macKeyCode)
- (void)otherMouseUp:(NSEvent *)event
{
_glfwInputMouseClick(window, [event buttonNumber], GLFW_RELEASE);
_glfwInputMouseClick(window,
[event buttonNumber],
GLFW_RELEASE,
convertKeyMods([event modifierFlags]));
}
- (void)mouseExited:(NSEvent *)event
......@@ -503,7 +537,12 @@ static int convertMacKeyCode(unsigned int macKeyCode)
- (void)keyDown:(NSEvent *)event
{
_glfwInputKey(window, convertMacKeyCode([event keyCode]), GLFW_PRESS);
const NSUInteger mods = [event modifierFlags];
_glfwInputKey(window,
convertMacKeyCode([event keyCode]),
GLFW_PRESS,
convertKeyMods(mods));
if ([event modifierFlags] & NSCommandKeyMask)
return;
......@@ -530,12 +569,15 @@ static int convertMacKeyCode(unsigned int macKeyCode)
key = convertMacKeyCode([event keyCode]);
if (key != -1)
_glfwInputKey(window, key, action);
_glfwInputKey(window, key, action, convertKeyMods([event modifierFlags]));
}
- (void)keyUp:(NSEvent *)event
{
_glfwInputKey(window, convertMacKeyCode([event keyCode]), GLFW_RELEASE);
_glfwInputKey(window,
convertMacKeyCode([event keyCode]),
GLFW_RELEASE,
convertKeyMods([event modifierFlags]));
}
- (void)scrollWheel:(NSEvent *)event
......
......@@ -122,7 +122,7 @@ static void setStickyMouseButtons(_GLFWwindow* window, int enabled)
////// GLFW event API //////
//////////////////////////////////////////////////////////////////////////
void _glfwInputKey(_GLFWwindow* window, int key, int action)
void _glfwInputKey(_GLFWwindow* window, int key, int action, int mods)
{
GLboolean repeated = GL_FALSE;
......@@ -141,7 +141,7 @@ void _glfwInputKey(_GLFWwindow* window, int key, int action)
action = GLFW_REPEAT;
if (window->callbacks.key)
window->callbacks.key((GLFWwindow*) window, key, action);
window->callbacks.key((GLFWwindow*) window, key, action, mods);
}
void _glfwInputChar(_GLFWwindow* window, unsigned int character)
......@@ -162,7 +162,7 @@ void _glfwInputScroll(_GLFWwindow* window, double xoffset, double yoffset)
window->callbacks.scroll((GLFWwindow*) window, xoffset, yoffset);
}
void _glfwInputMouseClick(_GLFWwindow* window, int button, int action)
void _glfwInputMouseClick(_GLFWwindow* window, int button, int action, int mods)
{
if (button < 0 || button > GLFW_MOUSE_BUTTON_LAST)
return;
......@@ -174,7 +174,7 @@ void _glfwInputMouseClick(_GLFWwindow* window, int button, int action)
window->mouseButton[button] = (char) action;
if (window->callbacks.mouseButton)
window->callbacks.mouseButton((GLFWwindow*) window, button, action);
window->callbacks.mouseButton((GLFWwindow*) window, button, action, mods);
}
void _glfwInputCursorMotion(_GLFWwindow* window, double x, double y)
......
......@@ -591,9 +591,10 @@ void _glfwInputWindowCloseRequest(_GLFWwindow* window);
* @param[in] window The window that received the event.
* @param[in] key The key that was pressed or released.
* @param[in] action @ref GLFW_PRESS or @ref GLFW_RELEASE.
* @param[in] mods The modifiers pressed when the event was generated.
* @ingroup event
*/
void _glfwInputKey(_GLFWwindow* window, int key, int action);
void _glfwInputKey(_GLFWwindow* window, int key, int action, int mods);
/*! @brief Notifies shared code of a Unicode character input event.
* @param[in] window The window that received the event.
......@@ -616,7 +617,7 @@ void _glfwInputScroll(_GLFWwindow* window, double x, double y);
* @param[in] action @ref GLFW_PRESS or @ref GLFW_RELEASE.
* @ingroup event
*/
void _glfwInputMouseClick(_GLFWwindow* window, int button, int action);
void _glfwInputMouseClick(_GLFWwindow* window, int button, int action, int mods);
/*! @brief Notifies shared code of a cursor motion event.
* @param[in] window The window that received the event.
......
......@@ -104,6 +104,38 @@ static void showCursor(_GLFWwindow* window)
}
}
// Retrieves and translates modifier keys
//
static int getKeyMods(void)
{
int mods = 0;
if (GetKeyState(VK_SHIFT) & (1 << 31))
mods |= GLFW_MOD_SHIFT;
if (GetKeyState(VK_CONTROL) & (1 << 31))
mods |= GLFW_MOD_CTRL;
if (GetKeyState(VK_MENU) & (1 << 31))
mods |= GLFW_MOD_ALT;
return mods;
}
// Retrieves and translates modifier keys
//
static int getAsyncKeyMods(void)
{
int mods = 0;
if (GetAsyncKeyState(VK_SHIFT) & (1 << 31))
mods |= GLFW_MOD_SHIFT;
if (GetAsyncKeyState(VK_CONTROL) & (1 << 31))
mods |= GLFW_MOD_CTRL;
if (GetAsyncKeyState(VK_MENU) & (1 << 31))
mods |= GLFW_MOD_ALT;
return mods;
}
// Translates a Windows key to the corresponding GLFW key
//
static int translateKey(WPARAM wParam, LPARAM lParam)
......@@ -433,7 +465,7 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
{
_glfwInputKey(window, translateKey(wParam, lParam), GLFW_PRESS);
_glfwInputKey(window, translateKey(wParam, lParam), GLFW_PRESS, getKeyMods());
break;
}
......@@ -461,20 +493,22 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
case WM_KEYUP:
case WM_SYSKEYUP:
{
const int mods = getKeyMods();
if (wParam == VK_SHIFT)
{
// Special trick: release both shift keys on SHIFT up event
_glfwInputKey(window, GLFW_KEY_LEFT_SHIFT, GLFW_RELEASE);
_glfwInputKey(window, GLFW_KEY_RIGHT_SHIFT, GLFW_RELEASE);
_glfwInputKey(window, GLFW_KEY_LEFT_SHIFT, GLFW_RELEASE, mods);
_glfwInputKey(window, GLFW_KEY_RIGHT_SHIFT, GLFW_RELEASE, mods);
}
else if (wParam == VK_SNAPSHOT)
{
// Key down is not reported for the print screen key
_glfwInputKey(window, GLFW_KEY_PRINT_SCREEN, GLFW_PRESS);
_glfwInputKey(window, GLFW_KEY_PRINT_SCREEN, GLFW_RELEASE);
_glfwInputKey(window, GLFW_KEY_PRINT_SCREEN, GLFW_PRESS, mods);
_glfwInputKey(window, GLFW_KEY_PRINT_SCREEN, GLFW_RELEASE, mods);
}
else
_glfwInputKey(window, translateKey(wParam, lParam), GLFW_RELEASE);
_glfwInputKey(window, translateKey(wParam, lParam), GLFW_RELEASE, getKeyMods());
break;
}
......@@ -484,20 +518,22 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
case WM_MBUTTONDOWN:
case WM_XBUTTONDOWN:
{
const int mods = getKeyMods();
SetCapture(hWnd);
if (uMsg == WM_LBUTTONDOWN)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_PRESS);
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_PRESS, mods);
else if (uMsg == WM_RBUTTONDOWN)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_PRESS);
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_PRESS, mods);
else if (uMsg == WM_MBUTTONDOWN)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_MIDDLE, GLFW_PRESS);
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_MIDDLE, GLFW_PRESS, mods);
else
{
if (HIWORD(wParam) == XBUTTON1)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_4, GLFW_PRESS);
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_4, GLFW_PRESS, mods);
else if (HIWORD(wParam) == XBUTTON2)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_5, GLFW_PRESS);
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_5, GLFW_PRESS, mods);
return TRUE;
}
......@@ -510,20 +546,22 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
case WM_MBUTTONUP:
case WM_XBUTTONUP:
{
const int mods = getKeyMods();
ReleaseCapture();
if (uMsg == WM_LBUTTONUP)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_RELEASE);
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_RELEASE, mods);
else if (uMsg == WM_RBUTTONUP)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_RELEASE);
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_RELEASE, mods);
else if (uMsg == WM_MBUTTONUP)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_MIDDLE, GLFW_RELEASE);
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_MIDDLE, GLFW_RELEASE, mods);
else
{
if (HIWORD(wParam) == XBUTTON1)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_4, GLFW_RELEASE);
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_4, GLFW_RELEASE, mods);
else if (HIWORD(wParam) == XBUTTON2)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_5, GLFW_RELEASE);
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_5, GLFW_RELEASE, mods);
return TRUE;
}
......@@ -1017,19 +1055,19 @@ void _glfwPlatformPollEvents(void)
// This is the only async event handling in GLFW, but it solves some
// nasty problems
{
int lshiftDown, rshiftDown;
const int mods = getAsyncKeyMods();
// Get current state of left and right shift keys
lshiftDown = (GetAsyncKeyState(VK_LSHIFT) >> 15) & 1;
rshiftDown = (GetAsyncKeyState(VK_RSHIFT) >> 15) & 1;
const int lshiftDown = (GetAsyncKeyState(VK_LSHIFT) >> 15) & 1;
const int rshiftDown = (GetAsyncKeyState(VK_RSHIFT) >> 15) & 1;
// See if this differs from our belief of what has happened
// (we only have to check for lost key up events)
if (!lshiftDown && window->key[GLFW_KEY_LEFT_SHIFT] == 1)
_glfwInputKey(window, GLFW_KEY_LEFT_SHIFT, GLFW_RELEASE);
_glfwInputKey(window, GLFW_KEY_LEFT_SHIFT, GLFW_RELEASE, mods);
if (!rshiftDown && window->key[GLFW_KEY_RIGHT_SHIFT] == 1)
_glfwInputKey(window, GLFW_KEY_RIGHT_SHIFT, GLFW_RELEASE);
_glfwInputKey(window, GLFW_KEY_RIGHT_SHIFT, GLFW_RELEASE, mods);
}
// Did the cursor move in an focused window that has captured the cursor
......
......@@ -77,14 +77,14 @@ void _glfwInputWindowFocus(_GLFWwindow* window, GLboolean focused)
for (i = 0; i <= GLFW_KEY_LAST; i++)
{
if (window->key[i] == GLFW_PRESS)
_glfwInputKey(window, i, GLFW_RELEASE);
_glfwInputKey(window, i, GLFW_RELEASE, 0);
}
// Release all pressed mouse buttons
for (i = 0; i <= GLFW_MOUSE_BUTTON_LAST; i++)
{
if (window->mouseButton[i] == GLFW_PRESS)
_glfwInputMouseClick(window, i, GLFW_RELEASE);
_glfwInputMouseClick(window, i, GLFW_RELEASE, 0);
}
}
}
......
......@@ -58,6 +58,22 @@ typedef struct
#define MWM_HINTS_DECORATIONS (1L << 1)
// Translates an X event modifier state mask
//
int translateState(int state)
{
int mods = 0;
if (state & ShiftMask)
mods |= GLFW_MOD_SHIFT;
if (state & ControlMask)
mods |= GLFW_MOD_CTRL;
if (state & Mod1Mask)
mods |= GLFW_MOD_ALT;
return mods;
}
// Translates an X Window key to internal coding
//
static int translateKey(int keycode)
......@@ -511,31 +527,36 @@ static void processEvent(XEvent *event)
{
case KeyPress:
{
_glfwInputKey(window, translateKey(event->xkey.keycode), GLFW_PRESS);
const int key = translateKey(event->xkey.keycode);
const int mods = translateState(event->xkey.state);
if (!(event->xkey.state & ControlMask) &&
!(event->xkey.state & Mod1Mask /*Alt*/))
{
_glfwInputChar(window, translateChar(&event->xkey));
}
_glfwInputKey(window, key, GLFW_PRESS, mods);
if (!(mods & GLFW_MOD_CTRL) && !(mods & GLFW_MOD_ALT))
_glfwInputChar(window, translateChar(&event->xkey));
break;
}
case KeyRelease:
{
_glfwInputKey(window, translateKey(event->xkey.keycode), GLFW_RELEASE);
const int key = translateKey(event->xkey.keycode);
const int mods = translateState(event->xkey.state);
_glfwInputKey(window, key, GLFW_RELEASE, mods);
break;
}
case ButtonPress:
{
const int mods = translateState(event->xbutton.state);
if (event->xbutton.button == Button1)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_PRESS);
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_PRESS, mods);
else if (event->xbutton.button == Button2)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_MIDDLE, GLFW_PRESS);
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_MIDDLE, GLFW_PRESS, mods);
else if (event->xbutton.button == Button3)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_PRESS);
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_PRESS, mods);
// Modern X provides scroll events as mouse button presses
else if (event->xbutton.button == Button4)
......@@ -552,23 +573,28 @@ static void processEvent(XEvent *event)
case ButtonRelease:
{
const int mods = translateState(event->xbutton.state);
if (event->xbutton.button == Button1)
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_LEFT,
GLFW_RELEASE);
GLFW_RELEASE,
mods);
}
else if (event->xbutton.button == Button2)
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_MIDDLE,
GLFW_RELEASE);
GLFW_RELEASE,
mods);
}
else if (event->xbutton.button == Button3)
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_RIGHT,
GLFW_RELEASE);
GLFW_RELEASE,
mods);
}
break;
}
......
......@@ -74,7 +74,7 @@ static void cursor_position_callback(GLFWwindow* window, double x, double y)
cursor_y = y;
}
static void key_callback(GLFWwindow* window, int key, int action)
static void key_callback(GLFWwindow* window, int key, int action, int mods)
{
if (key == GLFW_KEY_SPACE && action == GLFW_PRESS)
set_swap_interval(window, 1 - swap_interval);
......
......@@ -39,18 +39,12 @@ static void usage(void)
printf("Usage: clipboard [-h]\n");
}
static GLboolean control_is_down(GLFWwindow* window)
{
return glfwGetKey(window, GLFW_KEY_LEFT_CONTROL) ||
glfwGetKey(window, GLFW_KEY_RIGHT_CONTROL);
}
static void error_callback(int error, const char* description)
{
fprintf(stderr, "Error: %s\n", description);
}
static void key_callback(GLFWwindow* window, int key, int action)