int _ji_system_init()
{
/* Install timer related stuff. */
LOCK_VARIABLE(ji_clock);
LOCK_VARIABLE(m_b);
LOCK_FUNCTION(clock_inc);
if (install_int_ex(clock_inc, BPS_TO_TIMER(1000)) < 0)
return -1;
if (screen)
jmouse_poll();
moved = true;
mouse_cursor_type = kNoCursor;
return 0;
}
// Returns false when the user stop the click-loop: releases the
// button or press the second click (depend of the mode)
int Editor::editor_click(int *x, int *y, int *update,
void (*scroll_callback) (int before_change))
{
int prev_x, prev_y;
poll_keyboard();
if (click_first) {
click_first = false;
if (click_mode == MODE_CLICKANDCLICK) {
do {
jmouse_poll();
gui_feedback();
} while (jmouse_b(0));
jmouse_set_position(click_start_x, click_start_y);
clear_keybuf();
}
}
*update = jmouse_poll();
screenToEditor(click_last_x, click_last_y, &prev_x, &prev_y);
click_prev_last_b = click_last_b;
click_last_x = jmouse_x(0);
click_last_y = jmouse_y(0);
click_last_b = jmouse_b(0);
screenToEditor(click_last_x, click_last_y, x, y);
/* the mouse was moved */
if (*update) {
View* view = View::getView(this);
gfx::Rect vp = view->getViewportBounds();
/* update scroll */
if (jmouse_control_infinite_scroll(vp)) {
if (scroll_callback)
(*scroll_callback)(true);
/* smooth scroll movement */
if (get_config_bool("Options", "MoveSmooth", true)) {
jmouse_set_position(MID(vp.x+1, click_last_x, vp.x+vp.w-2),
MID(vp.y+1, click_last_y, vp.y+vp.h-2));
}
/* this is better for high resolutions: scroll movement by big steps */
else {
jmouse_set_position((click_last_x != jmouse_x(0)) ?
(click_last_x + (vp.x+vp.w/2))/2: jmouse_x(0),
(click_last_y != jmouse_y(0)) ?
(click_last_y + (vp.y+vp.h/2))/2: jmouse_y(0));
}
gfx::Point scroll = view->getViewScroll();
setEditorScroll(scroll.x+click_last_x-jmouse_x(0),
scroll.y+click_last_y-jmouse_y(0), true);
click_last_x = jmouse_x(0);
click_last_y = jmouse_y(0);
if (scroll_callback)
(*scroll_callback)(false);
}
// If the cursor hasn't subpixel movement
if (!editor_cursor_is_subpixel()) {
// Check if the mouse change to other pixel of the sprite
*update = ((prev_x != *x) || (prev_y != *y));
}
else {
// Check if the mouse change to other pixel of the screen
*update = ((prev_x != click_last_x) || (prev_y != click_last_y));
}
}
/* click-and-click mode */
if (click_mode == MODE_CLICKANDCLICK) {
if (click_last_b) {
click_prev_last_b = click_last_b;
do {
jmouse_poll();
gui_feedback();
} while (jmouse_b(0));
jmouse_set_position(click_last_x, click_last_y);
clear_keybuf();
return false;
}
else {
return true;
}
}
/* click-and-release mode */
else {
return (click_last_b) ? true: false;
}
}
