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Diffstat (limited to 'sxiv.h')
| -rw-r--r-- | sxiv.h | 451 |
1 files changed, 451 insertions, 0 deletions
@@ -0,0 +1,451 @@ +/* Copyright 2011 Bert Muennich + * + * This file is part of sxiv. + * + * sxiv is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published + * by the Free Software Foundation; either version 2 of the License, + * or (at your option) any later version. + * + * sxiv is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with sxiv. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef SXIV_H +#define SXIV_H + +#include <stdarg.h> +#include <stdbool.h> +#include <stdio.h> +#include <sys/time.h> +#include <sys/types.h> +#include <Imlib2.h> +#include <X11/Xlib.h> + +/* + * Annotation for functions called in cleanup(). + * These functions are not allowed to call error(!0, ...) or exit(). + */ +#define CLEANUP + +#ifndef MIN +#define MIN(a,b) ((a) < (b) ? (a) : (b)) +#endif +#ifndef MAX +#define MAX(a,b) ((a) > (b) ? (a) : (b)) +#endif + +#define ARRLEN(a) (sizeof(a) / sizeof((a)[0])) + +#define STREQ(s1,s2) (strcmp((s1), (s2)) == 0) + +#define TV_DIFF(t1,t2) (((t1)->tv_sec - (t2)->tv_sec ) * 1000 + \ + ((t1)->tv_usec - (t2)->tv_usec) / 1000) + +#define TV_SET_MSEC(tv,t) { \ + (tv)->tv_sec = (t) / 1000; \ + (tv)->tv_usec = (t) % 1000 * 1000; \ +} + +#define TV_ADD_MSEC(tv,t) { \ + (tv)->tv_sec += (t) / 1000; \ + (tv)->tv_usec += (t) % 1000 * 1000; \ +} + +typedef enum { + BO_BIG_ENDIAN, + BO_LITTLE_ENDIAN +} byteorder_t; + +typedef enum { + MODE_IMAGE, + MODE_THUMB +} appmode_t; + +typedef enum { + DIR_LEFT = 1, + DIR_RIGHT = 2, + DIR_UP = 4, + DIR_DOWN = 8 +} direction_t; + +typedef enum { + DEGREE_90 = 1, + DEGREE_180 = 2, + DEGREE_270 = 3 +} degree_t; + +typedef enum { + FLIP_HORIZONTAL = 1, + FLIP_VERTICAL = 2 +} flipdir_t; + +typedef enum { + SCALE_DOWN, + SCALE_FIT, + SCALE_WIDTH, + SCALE_HEIGHT, + SCALE_ZOOM +} scalemode_t; + +typedef enum { + CURSOR_ARROW, + CURSOR_DRAG, + CURSOR_WATCH, + CURSOR_LEFT, + CURSOR_RIGHT, + CURSOR_NONE, + + CURSOR_COUNT +} cursor_t; + +typedef enum { + FF_WARN = 1, + FF_MARK = 2, + FF_TN_INIT = 4 +} fileflags_t; + +typedef struct { + const char *name; /* as given by user */ + const char *path; /* always absolute */ + const char *base; + fileflags_t flags; +} fileinfo_t; + +/* timeouts in milliseconds: */ +enum { + TO_REDRAW_RESIZE = 75, + TO_REDRAW_THUMBS = 200, + TO_CURSOR_HIDE = 1200, + TO_DOUBLE_CLICK = 300 +}; + +typedef void (*timeout_f)(void); + +typedef struct arl arl_t; +typedef struct img img_t; +typedef struct opt opt_t; +typedef struct tns tns_t; +typedef struct win win_t; + + +/* autoreload.c */ + +struct arl { + int fd; + int wd_dir; + int wd_file; + char *filename; +}; + +void arl_init(arl_t*); +void arl_cleanup(arl_t*); +void arl_setup(arl_t*, const char* /* result of realpath(3) */); +bool arl_handle(arl_t*); + + +/* commands.c */ + +typedef int arg_t; +typedef bool (*cmd_f)(arg_t); + +#define G_CMD(c) g_##c, +#define I_CMD(c) i_##c, +#define T_CMD(c) t_##c, + +typedef enum { +#include "commands.lst" + CMD_COUNT +} cmd_id_t; + +typedef struct { + int mode; + cmd_f func; +} cmd_t; + +typedef struct { + unsigned int mask; + KeySym ksym; + cmd_id_t cmd; + arg_t arg; +} keymap_t; + +typedef struct { + unsigned int mask; + unsigned int button; + cmd_id_t cmd; + arg_t arg; +} button_t; + +extern const cmd_t cmds[CMD_COUNT]; + + +/* image.c */ + +typedef struct { + Imlib_Image im; + unsigned int delay; +} img_frame_t; + +typedef struct { + img_frame_t *frames; + int cap; + int cnt; + int sel; + bool animate; + int framedelay; + int length; +} multi_img_t; + +struct img { + Imlib_Image im; + int w; + int h; + + win_t *win; + float x; + float y; + + scalemode_t scalemode; + float zoom; + + bool checkpan; + bool dirty; + bool aa; + bool alpha; + + Imlib_Color_Modifier cmod; + int gamma; + + struct { + bool on; + int delay; + } ss; + + multi_img_t multi; +}; + +void img_init(img_t*, win_t*); +bool img_load(img_t*, const fileinfo_t*); +CLEANUP void img_close(img_t*, bool); +void img_render(img_t*); +bool img_fit_win(img_t*, scalemode_t); +bool img_zoom(img_t*, float); +bool img_zoom_in(img_t*); +bool img_zoom_out(img_t*); +bool img_pos(img_t*, float, float); +bool img_move(img_t*, float, float); +bool img_pan(img_t*, direction_t, int); +bool img_pan_edge(img_t*, direction_t); +void img_rotate(img_t*, degree_t); +void img_flip(img_t*, flipdir_t); +void img_toggle_antialias(img_t*); +bool img_change_gamma(img_t*, int); +bool img_frame_navigate(img_t*, int); +bool img_frame_animate(img_t*); + + +/* options.c */ + +struct opt { + /* file list: */ + char **filenames; + bool from_stdin; + bool to_stdout; + bool recursive; + int filecnt; + int startnum; + + /* image: */ + scalemode_t scalemode; + float zoom; + bool animate; + int gamma; + int slideshow; + int framerate; + + /* window: */ + bool fullscreen; + bool hide_bar; + long embed; + char *geometry; + char *res_name; + + /* misc flags: */ + bool quiet; + bool thumb_mode; + bool clean_cache; + bool private_mode; +}; + +extern const opt_t *options; + +void print_usage(void); +void print_version(void); +void parse_options(int, char**); + + +/* thumbs.c */ + +typedef struct { + Imlib_Image im; + int w; + int h; + int x; + int y; +} thumb_t; + +struct tns { + fileinfo_t *files; + thumb_t *thumbs; + const int *cnt; + int *sel; + int initnext; + int loadnext; + int first, end; + int r_first, r_end; + + win_t *win; + int x; + int y; + int cols; + int rows; + int zl; + int bw; + int dim; + + bool dirty; +}; + +void tns_clean_cache(tns_t*); +void tns_init(tns_t*, fileinfo_t*, const int*, int*, win_t*); +CLEANUP void tns_free(tns_t*); +bool tns_load(tns_t*, int, bool, bool); +void tns_unload(tns_t*, int); +void tns_render(tns_t*); +void tns_mark(tns_t*, int, bool); +void tns_highlight(tns_t*, int, bool); +bool tns_move_selection(tns_t*, direction_t, int); +bool tns_scroll(tns_t*, direction_t, bool); +bool tns_zoom(tns_t*, int); +int tns_translate(tns_t*, int, int); + + +/* util.c */ + +#include <dirent.h> + +typedef struct { + DIR *dir; + char *name; + int d; + bool recursive; + + char **stack; + int stcap; + int stlen; +} r_dir_t; + +extern const char *progname; + +void* emalloc(size_t); +void* erealloc(void*, size_t); +char* estrdup(const char*); +void error(int, int, const char*, ...); +void size_readable(float*, const char**); +int r_opendir(r_dir_t*, const char*, bool); +int r_closedir(r_dir_t*); +char* r_readdir(r_dir_t*); +int r_mkdir(char*); + + +/* window.c */ + +#include <X11/Xutil.h> +#include <X11/Xft/Xft.h> + +enum { + BAR_L_LEN = 512, + BAR_R_LEN = 64 +}; + +enum { + ATOM_WM_DELETE_WINDOW, + ATOM__NET_WM_NAME, + ATOM__NET_WM_ICON_NAME, + ATOM__NET_WM_ICON, + ATOM__NET_WM_STATE, + ATOM__NET_WM_STATE_FULLSCREEN, + ATOM__NET_SUPPORTED, + ATOM_COUNT +}; + +typedef struct { + Display *dpy; + int scr; + int scrw, scrh; + Visual *vis; + Colormap cmap; + int depth; +} win_env_t; + +typedef struct { + size_t size; + char *p; + char *buf; +} win_bar_t; + +struct win { + Window xwin; + win_env_t env; + + XftColor bgcol; + XftColor fscol; + XftColor selcol; + + int x; + int y; + unsigned int w; + unsigned int h; /* = win height - bar height */ + unsigned int bw; + + bool fullscreen; + + struct { + int w; + int h; + Pixmap pm; + } buf; + + struct { + unsigned int h; + win_bar_t l; + win_bar_t r; + XftColor bgcol; + XftColor fgcol; + } bar; +}; + +extern Atom atoms[ATOM_COUNT]; + +void win_init(win_t*); +void win_open(win_t*); +CLEANUP void win_close(win_t*); +bool win_configure(win_t*, XConfigureEvent*); +void win_toggle_fullscreen(win_t*); +void win_toggle_bar(win_t*); +void win_clear(win_t*); +void win_draw(win_t*); +void win_draw_rect(win_t*, int, int, int, int, bool, int, unsigned long); +int win_textwidth(const win_env_t*, const char*, unsigned int, bool); +void win_set_title(win_t*, const char*); +void win_set_cursor(win_t*, cursor_t); +void win_cursor_pos(win_t*, int*, int*); + +#endif /* SXIV_H */ + |