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/* See LICENSE file for copyright and license details. */
#include "common.h"
static void
reload_current_file(void)
{
if (load_image(get_file(), 0))
reload_redraw();
}
static void
reset_transformations(void)
{
enum transformation augment = reset_transformations_without_redraw();
if (augment != TRANS_NONE)
transform_redraw(augment);
}
static void
transform(enum transformation augment)
{
if (add_transformation_without_redraw(augment))
transform_redraw(augment);
}
static void
set_zoom_fit(GtkToggleAction *action, enum zoom_mode mode)
{
struct image image;
if (gtk_toggle_action_get_active(action)) {
zoom_mode = mode;
if (get_image(&image))
set_zoom_and_recentre(calculate_zoom_mode(&image, zoom_mode));
} else if (zoom_mode == mode) {
zoom_mode = ZOOM_CUSTOM; /* deselect zoom */
}
clear_toggles(GROUP_ZOOM, action);
}
static void
navigate(size_t jump, size_t move)
{
if (navigate_without_redraw(jump, move))
navigate_redraw();
}
void
open_action(GtkAction *action, void *user)
{
GtkFileChooser *chooser;
(void) action;
(void) user;
chooser = construct_chooser();
add_image_filters(chooser);
if (gtk_dialog_run(GTK_DIALOG(chooser)) == GTK_RESPONSE_ACCEPT)
set_images_from_list(gtk_file_chooser_get_filenames(chooser));
gtk_widget_destroy(GTK_WIDGET(chooser));
}
void
reload_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
reload_current_file();
}
void
print_action(GtkAction *action, void *user)
{
struct image image;
(void) action;
(void) user;
if (get_image(&image))
open_print(&image);
}
void
properties_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
open_properties(get_file());
}
void
preferences_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
open_preferences();
}
void
property_pane_action(GtkToggleAction *action, void *user)
{
(void) user;
set_property_pane_visible(gtk_toggle_action_get_active(action));
}
void
collection_pane_action(GtkToggleAction *action, void *user)
{
(void) user;
set_collection_pane_visible(gtk_toggle_action_get_active(action));
}
void
close_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
gtk_main_quit();
}
void
fullscreen_action(GtkToggleAction *action, void *user)
{
int active = gtk_toggle_action_get_active(action);
(void) user;
if (active && current_file >= nfiles)
gtk_toggle_action_set_active(action, 0);
else
set_fullscreen_mode(active);
}
void
reset_transformations_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
reset_transformations();
}
void
rotate_clockwise_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
transform(TRANS_CLOCKWISE);
}
void
rotate_180_degrees_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
transform(TRANS_180_DEGREES);
}
void
rotate_anticlockwise_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
transform(TRANS_ANTICLOCKWISE);
}
void
flop_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
transform(TRANS_FLOP);
}
void
flip_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
transform(TRANS_FLIP);
}
void
transpose_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
transform(TRANS_TRANSPOSE);
}
void
antitranspose_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
transform(TRANS_ANTITRANSPOSE);
}
void
invert_action(GtkToggleAction *action, void *user)
{
enum transformation tr;
(void) user;
tr = gtk_toggle_action_get_active(action) ? TRANS_NEGATIVE : TRANS_NONE;
transform(tr ^ (trans & TRANS_NEGATIVE));
}
void
zoom_in_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
clear_toggles(GROUP_ZOOM, NULL);
set_zoom_around_centre(zoom_in(zoom));
}
void
zoom_out_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
clear_toggles(GROUP_ZOOM, NULL);
set_zoom_around_centre(zoom_out(zoom));
}
void
normal_size_action(GtkToggleAction *action, void *user)
{
(void) action;
(void) user;
clear_toggles(GROUP_ZOOM, NULL);
set_zoom_around_centre(normal_zoom);
}
#define X(E, A, ...)\
void\
A(GtkToggleAction *action, void *user)\
{\
(void) user;\
set_zoom_fit(action, E);\
}
LIST_ZOOM_MODES(X,)
#undef X
void
next_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
navigate(current_file, +(size_t)1);
}
void
previous_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
navigate(current_file ? current_file : nfiles, -(size_t)1);
}
void
first_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
navigate(0u, 0u);
}
void
last_action(GtkAction *action, void *user)
{
(void) action;
(void) user;
navigate(nfiles, -(size_t)1);
}
int
key_pressed(GtkWidget *widget, GdkEventKey *event, void *user)
{
GtkAdjustment *hadjustment, *vadjustment;
int left, right, up, down, amount;
double hamount, vamount;
(void) widget;
(void) user;
if (event->keyval == GDK_Escape) {
deactivate_fullscreen(NULL);
return 1;
}
if (event->state & GDK_CONTROL_MASK)
return 0;
if (gtk_window_get_focus(GTK_WINDOW(window)) != display_area)
return 0;
amount = (event->state & GDK_MOD1_MASK) ? 1 : SCROLL_AMOUNT;
hamount = (double)amount;
vamount = (double)amount;
if (event->state & GDK_SHIFT_MASK) {
hadjustment = logical_scroll_pane_get_hadjustment(LOGICAL_SCROLL_PANE(scroll));
vadjustment = logical_scroll_pane_get_vadjustment(LOGICAL_SCROLL_PANE(scroll));
hamount = 0.25 * hadjustment->page_size;
vamount = 0.25 * vadjustment->page_size;
}
left = event->keyval == GDK_Left;
right = event->keyval == GDK_Right;
up = event->keyval == GDK_Up;
down = event->keyval == GDK_Down;
if (left | right | up | down) {
scroll_by(right * hamount - left * hamount,
down * vamount - up * vamount);
return 1;
}
return 0;
}
int
scroll_event(GtkWidget *widget, GdkEventScroll *event, void *user)
{
GtkAdjustment *hadjustment = logical_scroll_pane_get_hadjustment(LOGICAL_SCROLL_PANE(scroll));
GtkAdjustment *vadjustment = logical_scroll_pane_get_vadjustment(LOGICAL_SCROLL_PANE(scroll));
double hamount = hadjustment->step_increment;
double vamount = vadjustment->step_increment;
int shift = !!(event->state & GDK_SHIFT_MASK);
int ctrl = !!(event->state & GDK_CONTROL_MASK);
int up = event->direction == GDK_SCROLL_UP;
int down = event->direction == GDK_SCROLL_DOWN;
int left = event->direction == GDK_SCROLL_LEFT;
int right = event->direction == GDK_SCROLL_RIGHT;
int x0, y0;
(void) widget;
(void) user;
if (shift) {
left = up, up = 0;
right = down, down = 0;
}
if (!ctrl) {
/* needed for shift+scroll to work */
scroll_by(right * hamount - left * hamount,
down * vamount - up * vamount);
} else if (up | down) {
gdk_window_get_origin(display_area->window, &x0, &y0);
clear_toggles(GROUP_ZOOM, NULL);
set_zoom_around_point(up ? zoom_in(zoom) : zoom_out(zoom), event->x_root - x0, event->y_root - y0);
} else {
return 0;
}
return 1;
}
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