static void pan_button_handler(struct FTR *f, int b, int m, int x, int y)
{
//fprintf(stderr, "button b=%d m=%d\n", b, m);
if (b == FTR_BUTTON_UP && m == FTR_MASK_SHIFT) {
action_contrast_span(f, 1/1.3); return; }
if (b == FTR_BUTTON_DOWN && m == FTR_MASK_SHIFT) {
action_contrast_span(f, 1.3); return; }
struct pan_state *e = f->userdata;
if (b == FTR_BUTTON_RIGHT)
{
e->paint_handle[0] = x;
e->paint_handle[1] = y;
e->painting = true;
fprintf(stderr, "paint handle from %d %d\n", x, y);
}
if (e->painting && b == -FTR_BUTTON_RIGHT)
{
e->painting = false;
fprintf(stderr, "end painting at %d %d\n", x, y);
action_kill_windowed_rectangle(e, x, y);
f->changed = 1;
}
//if (b == FTR_BUTTON_RIGHT && m == FTR_MASK_CONTROL) {
// action_reset_zoom_only(f, x, y); return; }
//if (b == FTR_BUTTON_MIDDLE) action_print_value_under_cursor(f, x, y);
if (b == FTR_BUTTON_DOWN) action_increase_zoom(f, x, y);
if (b == FTR_BUTTON_UP ) action_decrease_zoom(f, x, y);
//if (b == FTR_BUTTON_RIGHT) action_reset_zoom_and_position(f);
}
static void pan_key_handler(struct FTR *f, int k, int m, int x, int y)
{
if (m & FTR_MASK_SHIFT && islower(k)) k = toupper(k);
fprintf(stderr, "PAN_KEY_HANDLER %d '%c' (%d) at %d %d\n",
k, isprint(k)?k:' ', m, x, y);
//if (k == '+') action_increase_zoom(f, f->w/2, f->h/2);
//if (k == '-') action_decrease_zoom(f, f->w/2, f->h/2);
if (k == '+') action_change_zoom_by_factor(f, f->w/2, f->h/2, 2);
if (k == '-') action_change_zoom_by_factor(f, f->w/2, f->h/2, 0.5);
if (k == 'p') action_change_zoom_by_factor(f, f->w/2, f->h/2, 1.1);
if (k == 'm') action_change_zoom_by_factor(f, f->w/2, f->h/2, 1/1.1);
if (k == 'P') action_change_zoom_by_factor(f, f->w/2, f->h/2, 1.006);
if (k == 'M') action_change_zoom_by_factor(f, f->w/2, f->h/2, 1/1.006);
if (k == 'a') action_contrast_span(f, 1/1.3);
if (k == 'A') action_contrast_span(f, 1.3);
//if (k == 'b') action_contrast_change(f, 1, 1);
//if (k == 'B') action_contrast_change(f, 1, -1);
if (k == 'n') action_qauto2(f);
if (k == 'N') action_toggle_aqauto(f);
if (k == 'r') action_toggle_roi(f, x, y, m&FTR_MASK_SHIFT);
if (k == 'c') action_toggle_p(f);
// if ESC or q, exit
if (k == '\033' || k == 'q')
ftr_notify_the_desire_to_stop_this_loop(f, 1);
// arrows move the viewport
if (k > 1000 || k=='j'||k=='k'||k=='l'||k=='h') {
int d[2] = {0, 0};
int inc = -10;
if (m & FTR_MASK_SHIFT ) inc /= 10;
if (m & FTR_MASK_CONTROL) inc *= 10;
switch (k) {
case 'h': case FTR_KEY_LEFT : d[0] -= inc; break;
case 'l': case FTR_KEY_RIGHT: d[0] += inc; break;
case 'k': case FTR_KEY_UP : d[1] -= inc; break;
case 'j': case FTR_KEY_DOWN : d[1] += inc; break;
}
if (k == FTR_KEY_PAGE_UP) d[1] = +f->h/3;
if (k == FTR_KEY_PAGE_DOWN) d[1] = -f->h/3;
action_offset_viewport(f, d[0], d[1]);
}
if (k == '2') action_reload_image(f);
// // if 'k', do weird things
// if (k == 'k') {
// fprintf(stderr, "setting key_handler_print\n");
// ftr_set_handler(f, "key", key_handler_print);
// }
}
static void pan_button_handler(struct FTR *f, int b, int m, int x, int y)
{
//fprintf(stderr, "button b=%d m=%d\n", b, m);
struct pan_state *e = f->userdata;
if (e->roi && b == FTR_BUTTON_UP) { action_roi_embiggen(f,+2); return; }
if (e->roi && b == FTR_BUTTON_DOWN){action_roi_embiggen(f,-2); return; }
if (b == FTR_BUTTON_UP && m & FTR_MASK_SHIFT) {
action_contrast_span(f, 1/1.3); return; }
if (b == FTR_BUTTON_DOWN && m & FTR_MASK_SHIFT) {
action_contrast_span(f, 1.3); return; }
if (b == FTR_BUTTON_RIGHT && m & FTR_MASK_CONTROL) {
action_reset_zoom_only(f, x, y); return; }
if (b == FTR_BUTTON_MIDDLE) action_print_value_under_cursor(f, x, y);
if (b == FTR_BUTTON_DOWN) action_increase_zoom(f, x, y);
if (b == FTR_BUTTON_UP ) action_decrease_zoom(f, x, y);
if (b == FTR_BUTTON_RIGHT) action_reset_zoom_and_position(f);
}
