bool OpenGP::TrackballWindow::mouse_move_callback(double x_window, double y_window) {
x_window *= scale_factor_retina();
y_window *= scale_factor_retina();
// mLogger() << x_window << y_window;
bool left_down = (glfwGetMouseButton(_window, GLFW_MOUSE_BUTTON_LEFT) == GLFW_PRESS);
bool middle_down = (glfwGetMouseButton(_window, GLFW_MOUSE_BUTTON_MIDDLE) == GLFW_PRESS);
Vec3 pos_window(x_window, y_window, 0.0f);
Vec3 pos_clip = window_to_clip(pos_window);
bool managed = false;
// Rotate
if (left_down && _mod_current == GLFW_MOD_NONE) {
scene.trackball_camera.rotate(pos_clip);
managed = true;
}
// Pan
if (middle_down || (left_down && _mod_current == GLFW_MOD_SUPER)) {
scene.trackball_camera.translate(pos_clip, old_pos_clip);
managed = true;
}
// Scale
if (left_down && (_mod_current == GLFW_MOD_SHIFT)) {
scene.trackball_camera.scale(5.0f * (float)(pos_clip(1) - old_pos_clip(1)));
managed = true;
}
old_pos_clip = pos_clip;
return managed;
}
bool OpenGP::TrackballWindow::mouse_press_callback(int button, int action, int mods) {
if( action == GLFW_RELEASE ){
static auto before = std::chrono::system_clock::now();
auto now = std::chrono::system_clock::now();
double diff_ms = std::chrono::duration <double, std::milli> (now - before).count();
before = now;
if(diff_ms>10 && diff_ms<200){
action = GLFW_DOUBLECLICK;
// mDebug() << "doubleclick";
}
}
if ((button == GLFW_MOUSE_BUTTON_LEFT) && (action == GLFW_PRESS)) {
double x_window, y_window;
getFramebufferCursorPos(&x_window, &y_window);
Vec3 pos_window(x_window, y_window, 0.0f);
Vec3 pos_clip = window_to_clip(pos_window);
scene.trackball_camera.begin_rotate(pos_clip);
return true;
}
if ((button == GLFW_MOUSE_BUTTON_LEFT) && (action == GLFW_RELEASE)) {
scene.trackball_camera.finish_rotate();
return true;
}
if ((button == GLFW_MOUSE_BUTTON_LEFT) && (action == GLFW_DOUBLECLICK) && (mods == GLFW_MOD_NONE)) {
double x_window, y_window;
getFramebufferCursorPos(&x_window,&y_window);
/// Fetch the depth by querying the OpenGL depth buffer
float z_window = 1.0f;
glReadBuffer(GL_FRONT);
glReadPixels(int(x_window), _height - int(y_window), 1, 1, GL_DEPTH_COMPONENT, GL_FLOAT, &z_window);
/// If we clicked on something visible focus the trackball (center it) on the current point
if (z_window != 1.0f) {
Vec3 pos_window(x_window, y_window, z_window);
Vec3 pos_clip = window_to_clip(pos_window);
scene.trackball_camera.focus(pos_clip);
}
return true;
}
return false;
}
static int test_position(window_t * win, display_t * disp)
{
int32_t x;
int32_t y;
int32_t dx; // stores the offset in case of windowsconfig_FRAME
int32_t dy; // stores the offset in case of windowsconfig_FRAME
// prepare
TEST(0 == show_window(win));
WAITFOR(disp, isvisible_window(win));
TEST(0 == setpos_window(win, WINPOS_INIT_X+10, WINPOS_INIT_Y+10));
TEST(0 == setpos_window(win, WINPOS_INIT_X, WINPOS_INIT_Y));
WAITFOR(disp, pos_window(win, &x, &y) == 0 && x >= WINPOS_INIT_X+10);
TEST(0 == pos_window(win, &x, &y));
dx = x - WINPOS_INIT_X;
dy = y - WINPOS_INIT_Y;
TEST(0 <= dx && dx <= 10);
TEST(0 <= dy && dy <= 30);
// TEST pos_window
TEST(0 == pos_window(win, &x, &y));
TEST(WINPOS_INIT_X == x - dx);
TEST(WINPOS_INIT_Y == y - dy);
// TEST setpos_window
TEST(0 == setpos_window(win, 200, 180));
WAITFOR(disp, pos_window(win, &x, &y) == 0 && x == 200 + dx);
WAITFOR(disp, pos_window(win, &x, &y) == 0 && y == 180 + dy);
TEST(0 == pos_window(win, &x, &y));
TEST(200 == x - dx);
TEST(180 == y - dy);
TEST(0 == setpos_window(win, WINPOS_INIT_X, WINPOS_INIT_Y));
WAITFOR(disp, pos_window(win, &x, &y) == 0 && x == WINPOS_INIT_X + dx);
TEST(0 == pos_window(win, &x, &y));
TEST(WINPOS_INIT_X == x - dx);
TEST(WINPOS_INIT_Y == y - dy);
return 0;
ONERR:
return EINVAL;
}
