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#ifndef WINDOW_H
#define WINDOW_H
#include <stdbool.h>
#include <stddef.h>
#include "buffer.h"
#include "encoding.h"
#include "frame.h"
#include "util/macros.h"
#include "util/ptr-array.h"
#include "view.h"
enum {
// Minimum width of line numbers bar (including padding)
LINE_NUMBERS_MIN_WIDTH = 5
};
// A sub-division of the screen, similar to a window in a tiling window
// manager. There can be multiple Views associated with each Window, but
// only one is visible at a time. Each tab displayed in the tab bar
// corresponds to a View and the editable text area corresponds to the
// Buffer of the *current* View (Window::view::buffer).
typedef struct Window {
struct EditorState *editor;
PointerArray views;
Frame *frame;
View *view; // Current view
View *prev_view; // Previous view, if set
int x, y; // Coordinates for top left of window
int w, h; // Width and height of window (including tabbar and status)
int edit_x, edit_y; // Top left of editable area
int edit_w, edit_h; // Width and height of editable area
size_t first_tab_idx;
bool update_tabbar;
struct {
int width;
long first;
long last;
} line_numbers;
} Window;
struct EditorState;
Window *new_window(struct EditorState *e) NONNULL_ARGS_AND_RETURN;
View *window_add_buffer(Window *window, Buffer *buffer);
View *window_open_empty_buffer(Window *window);
View *window_open_buffer(Window *window, const char *filename, bool must_exist, const Encoding *encoding);
View *window_get_view(Window *window, Buffer *buffer);
View *window_find_view(Window *window, Buffer *buffer);
View *window_find_unclosable_view(Window *window);
void window_free(Window *window);
size_t remove_view(View *view);
void window_close(Window *window);
void window_close_current_view(Window *window);
void set_view(View *view);
View *window_open_new_file(Window *window);
View *window_open_file(Window *window, const char *filename, const Encoding *encoding);
View *window_open_files(Window *window, char **filenames, const Encoding *encoding);
void mark_buffer_tabbars_changed(Buffer *buffer);
void calculate_line_numbers(Window *window);
void set_window_coordinates(Window *window, int x, int y);
void set_window_size(Window *window, int w, int h);
int window_get_scroll_margin(const Window *window, unsigned int scroll_margin);
void frame_for_each_window(const Frame *frame, void (*func)(Window*, void*), void *data);
Window *prev_window(Window *window);
Window *next_window(Window *window);
#endif
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