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#include <gtk-3.0/gtk/gtk.h>
#include <stdbool.h>
#include "file.h"
#include "image.h"
#include "input.h"
#include "window.h"
#define TIMEOUT 20
#define SCROLLAMMOUNT 30
static int grabbed = 0;
static gdouble start_x, start_y;
void handle_key_press(GdkEvent *event)
{
GdkModifierType state;
gdk_event_get_state(event, &state);
switch (event->key.keyval) {
case GDK_KEY_q:
quit();
break;
case GDK_KEY_w:
fit_image();
break;
case GDK_KEY_plus:
case GDK_KEY_KP_Add:
zoom(1);
break;
case GDK_KEY_minus:
case GDK_KEY_KP_Subtract:
zoom(-1);
break;
case GDK_KEY_equal:
zoom(0);
break;
case GDK_KEY_n:
next_file();
break;
case GDK_KEY_p:
prev_file();
break;
case GDK_KEY_Up:
if (get_current_scale_mode() == fit || state & GDK_SHIFT_MASK)
prev_file();
else
scroll_window(0, -SCROLLAMMOUNT);
break;
case GDK_KEY_Down:
if (get_current_scale_mode() == fit || state & GDK_SHIFT_MASK)
next_file();
else
scroll_window(0, SCROLLAMMOUNT);
break;
case GDK_KEY_Right:
if (get_current_scale_mode() == fit || state & GDK_SHIFT_MASK)
next_file();
else
scroll_window(SCROLLAMMOUNT, 0);
break;
case GDK_KEY_Left:
if (get_current_scale_mode() == fit || state & GDK_SHIFT_MASK)
prev_file();
else
scroll_window(-SCROLLAMMOUNT, 0);
break;
case GDK_KEY_j:
if (get_current_scale_mode() == fit)
next_file();
else
scroll_window(0, SCROLLAMMOUNT);
break;
case GDK_KEY_J:
next_file();
break;
case GDK_KEY_k:
if (get_current_scale_mode() == fit)
prev_file();
else
scroll_window(0, -SCROLLAMMOUNT);
break;
case GDK_KEY_K:
prev_file();
break;
case GDK_KEY_l:
if (get_current_scale_mode() == fit)
next_file();
else
scroll_window(SCROLLAMMOUNT, 0);
break;
case GDK_KEY_L:
next_file();
break;
case GDK_KEY_h:
if (get_current_scale_mode() == fit)
prev_file();
else
scroll_window(-SCROLLAMMOUNT, 0);
break;
case GDK_KEY_H:
prev_file();
break;
case GDK_KEY_g:
case GDK_KEY_Home:
first_file();
break;
case GDK_KEY_G:
case GDK_KEY_End:
last_file();
break;
case GDK_KEY_f:
toggle_fullscreen();
break;
case GDK_KEY_i:
toggle_infopanel();
break;
default:
break;
}
}
void handle_button_press(GdkEvent *event)
{
if (event->type == GDK_2BUTTON_PRESS)
toggle_fullscreen();
else {
grabbed = 1;
start_x = event->motion.x;
start_y = event->motion.y;
}
}
void handle_button_release()
{
grabbed = 0;
}
void handle_mouse_move(gdouble x, gdouble y)
{
if (grabbed) {
gdouble diff_x = start_x - x;
gdouble diff_y = start_y - y;
start_x = x;
start_y = y;
scroll_window(diff_x, diff_y);
}
}
void handle_scroll(GdkEvent *event)
{
GdkModifierType state;
gdk_event_get_state(event, &state);
switch (event->scroll.direction) {
case GDK_SCROLL_UP:
if (state & GDK_CONTROL_MASK) {
zoom(1);
} else {
prev_file();
}
break;
case GDK_SCROLL_DOWN:
if (state & GDK_CONTROL_MASK) {
zoom(-1);
} else {
next_file();
}
break;
default:
break;
}
}
gboolean resize_done(gpointer data)
{
guint *id = data;
*id = 0;
fit_image();
return false;
}
void handle_resize()
{
if (get_current_scale_mode() != fit)
return;
static guint id = 0;
if (id)
g_source_remove(id);
id = g_timeout_add(TIMEOUT, resize_done, &id);
}
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