kitty/kitty/tracker.h
2016-11-18 15:30:59 +05:30

56 lines
2.1 KiB
C

/*
* tracker.h
* Copyright (C) 2016 Kovid Goyal <kovid at kovidgoyal.net>
*
* Distributed under terms of the GPL3 license.
*/
#pragma once
static inline void tracker_cursor_changed(ChangeTracker *self) {
self->cursor_changed = true;
self->dirty = true;
}
static inline void tracker_line_added_to_history(ChangeTracker *self) {
self->history_line_added_count++;
self->dirty = true;
}
static inline void tracker_update_screen(ChangeTracker *self) {
self->screen_changed = true;
self->dirty = true;
}
static inline void tracker_update_line_range(ChangeTracker *self, unsigned int first_line, unsigned int last_line) {
if (!self->screen_changed) {
for (unsigned int i = first_line; i <= MIN(self->ynum - 1, last_line); i++) self->changed_lines[i] = true;
self->dirty = true;
}
}
static inline void tracker_update_cell_range(ChangeTracker *self, unsigned int line, unsigned int first_cell, unsigned int last_cell) {
if (!self->screen_changed && line < self->ynum && !self->changed_lines[line]) {
self->lines_with_changed_cells[line] = true;
unsigned int base = line * self->xnum;
for (unsigned int i = first_cell; i <= MIN(self->xnum - 1, last_cell); i++) self->changed_cells[base + i] = true;
self->dirty = true;
}
}
#define RESET_STATE_VARS(self) \
self->screen_changed = false; self->cursor_changed = false; self->dirty = false; self->history_line_added_count = 0;
static inline void tracker_reset(ChangeTracker *self) {
self->screen_changed = false; self->cursor_changed = false; self->dirty = false;
self->history_line_added_count = 0;
memset(self->changed_lines, 0, self->ynum * sizeof(bool));
memset(self->changed_cells, 0, self->ynum * self->xnum * sizeof(bool));
memset(self->lines_with_changed_cells, 0, self->ynum * sizeof(bool));
RESET_STATE_VARS(self);
}
PyObject* tracker_consolidate_changes(ChangeTracker *self);
bool tracker_resize(ChangeTracker *self, unsigned int ynum, unsigned int xnum);
bool tracker_update_cell_data(ChangeTracker *, LineBuf *, SpriteMap *, ColorProfile *, unsigned int *, unsigned long, unsigned long, bool);