static GLUSvoid glusInternalMouse(GLFWwindow* window, GLUSint button, GLUSint action, GLUSint mods)
{
GLUSint usedButton = 0;
if (button == GLFW_MOUSE_BUTTON_LEFT)
{
usedButton = 1;
}
else if (button == GLFW_MOUSE_BUTTON_MIDDLE)
{
usedButton = 2;
}
else if (button == GLFW_MOUSE_BUTTON_RIGHT)
{
usedButton = 4;
}
if (action == GLFW_PRESS)
{
g_buttons |= usedButton;
}
else
{
g_buttons ^= usedButton;
}
if (glusMouse)
{
glusMouse(action == GLFW_PRESS, usedButton, g_mouseX, g_mouseY);
}
}
LRESULT CALLBACK WndProc( HWND hWnd, // Handle For This Window
UINT uMsg, // Message For This Window
WPARAM wParam, // Additional Message Information
LPARAM lParam) // Additional Message Information
{
switch (uMsg) // Check For Windows Messages
{
case WM_ACTIVATE: // Watch For Window Activate Message
{
if (!HIWORD(wParam)) // Check Minimization State
{
g_active = GLUS_TRUE; // Program Is Active
}
else
{
g_active = GLUS_FALSE; // Program Is No Longer Active
}
return 0; // Return To The Message Loop
}
case WM_SYSCOMMAND: // Intercept System Commands
{
switch (wParam) // Check System Calls
{
case SC_SCREENSAVE: // Screensaver Trying To Start?
case SC_MONITORPOWER: // Monitor Trying To Enter Powersave?
return 0; // Prevent From Happening
}
break; // Exit
}
case WM_CLOSE: // Did We Receive A Close Message?
{
PostQuitMessage(0); // Send A Quit Message
return 0; // Jump Back
}
case WM_KEYDOWN: // Is A Key Being Held Down?
{
if (wParam == VK_ESCAPE)
{
PostQuitMessage(0); // Send A Quit Message
}
else
{
if(glusKey && g_initdone)
{
glusKey(GLUS_TRUE, wParam);
}
}
return 0; // Jump Back
}
case WM_KEYUP:
{
if (wParam == VK_ESCAPE)
{
// Do nothing
}
else
{
if(glusKey && g_initdone)
{
glusKey(GLUS_FALSE, wParam);
}
}
return 0; // Jump Back
}
case WM_LBUTTONDOWN:
case WM_MBUTTONDOWN:
case WM_RBUTTONDOWN:
{
if(glusMouse && g_initdone)
{
GLUSuint button = 0;
if (uMsg == WM_LBUTTONDOWN)
{
button = 1;
}
else if (uMsg == WM_MBUTTONDOWN)
{
button = 2;
}
else if (uMsg == WM_RBUTTONDOWN)
{
button = 4;
}
glusMouse(GLUS_TRUE, button, LOWORD( lParam ), HIWORD( lParam ) );
}
return 0;
}
case WM_LBUTTONUP:
case WM_MBUTTONUP:
case WM_RBUTTONUP:
{
if(glusMouse && g_initdone)
{
GLUSuint button = 0;
if (uMsg == WM_LBUTTONUP)
{
button = 1;
}
else if (uMsg == WM_MBUTTONUP)
{
button = 2;
}
else if (uMsg == WM_RBUTTONUP)
{
button = 4;
}
glusMouse(GLUS_FALSE, button, LOWORD( lParam ), HIWORD( lParam ) );
}
return 0;
}
case WM_MOUSEMOVE:
{
if(glusMouseMove && g_initdone)
{
GLUSuint buttons = 0;
if (LOWORD(wParam) & MK_LBUTTON)
{
buttons |= 1;
}
if (LOWORD(wParam) & MK_MBUTTON)
{
buttons |= 2;
}
if (LOWORD(wParam) & MK_RBUTTON)
{
buttons |= 4;
}
glusMouseMove(buttons, LOWORD( lParam ), HIWORD( lParam ) );
}
return 0;
}
case WM_MOUSEWHEEL:
{
if(glusMouseWheel && g_initdone)
{
GLUSuint buttons = 0;
if (LOWORD(wParam) & MK_LBUTTON)
{
buttons |= 1;
}
if (LOWORD(wParam) & MK_MBUTTON)
{
buttons |= 2;
}
if (LOWORD(wParam) & MK_RBUTTON)
{
buttons |= 4;
}
glusMouseWheel(buttons, GET_WHEEL_DELTA_WPARAM(wParam)/WHEEL_DELTA, LOWORD( lParam ), HIWORD( lParam ));
}
return 0;
}
case WM_SIZE: // Resize The OpenGL Window
{
g_width = LOWORD(lParam); // LoWord=Width, HiWord=Height
g_height = HIWORD(lParam);
if (glusReshape && g_initdone)
{
glusReshape(g_width, g_height);
}
return 0; // Jump Back
}
}
// Pass All Unhandled Messages To DefWindowProc
return DefWindowProc(hWnd, uMsg, wParam, lParam);
}
