// update offset variables by dragging
static void pan_motion_handler(struct FTR *f, int b, int m, int x, int y)
{
static double ox = 0, oy = 0;
if (m & FTR_BUTTON_LEFT) action_offset_viewport(f, x - ox, y - oy);
if (m & FTR_BUTTON_MIDDLE) action_print_value_under_cursor(f, x, y);
if (m & FTR_MASK_SHIFT) action_center_contrast_at_point(f, x, y);
ox = x;
oy = y;
}
// update offset variables by dragging
static void pan_motion_handler(struct FTR *f, int b, int m, int x, int y)
{
//fprintf(stderr, "motion b=%d m=%d (%d %d)\n", b, m, x, y);
static double ox = 0, oy = 0;
if (m & FTR_BUTTON_LEFT) action_offset_viewport(f, x - ox, y - oy);
if (m & FTR_BUTTON_MIDDLE) action_print_value_under_cursor(f, x, y);
if (m & FTR_MASK_SHIFT) action_center_contrast_at_point(f, x, y);
action_move_roi(f, x, y);
ox = x;
oy = y;
}
// update offset variables by dragging
static void pan_motion_handler(struct FTR *f, int b, int m, int x, int y)
{
static double ox = 0, oy = 0;
if (m == FTR_BUTTON_LEFT) action_offset_viewport(f, x - ox, y - oy);
//if (m == FTR_BUTTON_MIDDLE) action_print_value_under_cursor(f, x, y);
if (m == FTR_MASK_SHIFT) action_center_contrast_at_point(f, x, y);
//
struct pan_state *e = f->userdata;
if (e->painting) {
e->paint_handle[2] = x;
e->paint_handle[3] = y;
f->changed = 1;
}
ox = x;
oy = y;
}
// update offset variables by dragging
static void pan_motion_handler(struct FTR *f, int b, int m, int x, int y)
{
struct pan_state *e = f->userdata;
if (e->do_preview)
{
e->preview_position_x = x;
e->preview_position_y = y;
return;
}
static double ox = 0, oy = 0;
if (m & FTR_BUTTON_LEFT) action_offset_viewport(f, x - ox, y - oy);
if (m & FTR_BUTTON_MIDDLE) action_print_value_under_cursor(f, x, y);
if (m & FTR_MASK_SHIFT) action_center_contrast_at_point(f, x, y);
if (m & FTR_MASK_CONTROL) action_base_contrast_at_point(f, x, y);
ox = x;
oy = y;
}