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-rw-r--r--lib/lib_util.h169
1 files changed, 94 insertions, 75 deletions
diff --git a/lib/lib_util.h b/lib/lib_util.h
index 17ea0e0d1368..1a502147c441 100644
--- a/lib/lib_util.h
+++ b/lib/lib_util.h
@@ -1,7 +1,7 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause
*
- * Copyright (c) 2021-2022 Alfonso Sabato Siciliano
+ * Copyright (c) 2021-2023 Alfonso Sabato Siciliano
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -28,117 +28,136 @@
#ifndef _LIBBSDDIALOG_UTIL_H_
#define _LIBBSDDIALOG_UTIL_H_
-#define HBORDERS 2
-#define VBORDERS 2
+#define BORDER 1
+#define BORDERS (BORDER + BORDER)
#define TEXTHMARGIN 1
#define TEXTHMARGINS (TEXTHMARGIN + TEXTHMARGIN)
+#define HBUTTONS 2
+#define OK_LABEL "OK"
+#define CANCEL_LABEL "Cancel"
-/* theme utils */
+/* theme util */
extern struct bsddialog_theme t;
extern bool hastermcolors;
+#define MIN(a,b) (((a)<(b))?(a):(b))
+#define MAX(a,b) (((a)>(b))?(a):(b))
/* debug */
-#define BSDDIALOG_DEBUG(y,x,fmt, ...) do { \
- mvprintw(y, x, fmt, __VA_ARGS__); \
- refresh(); \
+#define BSDDIALOG_DEBUG(y,x,fmt, ...) do { \
+ mvprintw(y, x, fmt, __VA_ARGS__); \
+ refresh(); \
} while (0)
-
-/* date */
-#define ISLEAP(year) ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0)
-
-/* unicode */
-unsigned int strcols(const char *mbstring);
-int str_props(const char *mbstring, unsigned int *cols, bool *has_multi_col);
-void mvwaddwch(WINDOW *w, int y, int x, wchar_t wch);
-wchar_t* alloc_mbstows(const char *mbstring);
-
-/* error buffer */
-const char *get_error_string(void);
-void set_error_string(const char *string);
-
-#define RETURN_ERROR(str) do { \
- set_error_string(str); \
- return (BSDDIALOG_ERROR); \
+/* error and diagnostic */
+#define RETURN_ERROR(str) do { \
+ set_error_string(str); \
+ return (BSDDIALOG_ERROR); \
+} while (0)
+#define RETURN_FMTERROR(fmt, ...) do { \
+ set_fmt_error_string(fmt, __VA_ARGS__); \
+ return (BSDDIALOG_ERROR); \
+} while (0)
+/* check ptr */
+#define CHECK_PTR(p) do { \
+ if (p == NULL) \
+ RETURN_ERROR("*" #p " is NULL"); \
+} while (0)
+#define CHECK_ARRAY(nitem, a) do { \
+ if(nitem > 0 && a == NULL) \
+ RETURN_FMTERROR(#nitem " is %d but *" #a " is NULL", nitem); \
+} while (0)
+/* widget utils */
+#define TEXTPAD(d, downnotext) rtextpad(d, 0, 0, 0, downnotext)
+#define SCREENLINES (getmaxy(stdscr))
+#define SCREENCOLS (getmaxx(stdscr))
+#define CHECK_STR(s) (s == NULL ? "" : s)
+#define DRAW_BUTTONS(d) do { \
+ draw_buttons(&d); \
+ wnoutrefresh(d.widget); \
} while (0)
-/* buttons */
+/* internal types */
+enum elevation { RAISED, LOWERED };
+
struct buttons {
unsigned int nbuttons;
-#define MAXBUTTONS 6 /* ok + extra + cancel + help + 2 generics */
+#define MAXBUTTONS 10 /* 3left + ok + extra + cancel + help + 3 right */
const char *label[MAXBUTTONS];
+ bool shortcut;
wchar_t first[MAXBUTTONS];
int value[MAXBUTTONS];
int curr;
+#define BUTTONVALUE(bs) bs.value[bs.curr]
unsigned int sizebutton; /* including left and right delimiters */
};
-#define BUTTON_OK_LABEL "OK"
-#define BUTTON_CANCEL_LABEL "Cancel"
-void
-get_buttons(struct bsddialog_conf *conf, struct buttons *bs,
- const char *yesoklabel, const char *nocancellabel);
-
-void
-draw_buttons(WINDOW *window, struct buttons bs, bool shortcut);
-
-int buttons_min_width(struct buttons bs);
-bool shortcut_buttons(wint_t key, struct buttons *bs);
+struct dialog {
+ bool built; /* true after the first draw_dialog() */
+ struct bsddialog_conf *conf; /* Checked API conf */
+ WINDOW *widget; /* Size and position refer to widget */
+ int y, x; /* Current position, API conf.[y|x]: -1, >=0 */
+ int rows, cols; /* API rows and cols: -1, 0, >0 */
+ int h, w; /* Current height and width */
+ const char *text; /* Checked API text, at least "" */
+ WINDOW *textpad; /* Fake for textbox */
+ struct buttons bs; /* bs.nbuttons = 0 for no buttons */
+ WINDOW *shadow;
+};
-/* help window with F1 key */
-int f1help(struct bsddialog_conf *conf);
+/* error and diagnostic */
+const char *get_error_string(void);
+void set_error_string(const char *string);
+void set_fmt_error_string(const char *fmt, ...);
-/* cleaner */
-int hide_widget(int y, int x, int h, int w, bool withshadow);
+/* multicolumn character string */
+unsigned int strcols(const char *mbstring);
+int str_props(const char *mbstring, unsigned int *cols, bool *has_multi_col);
+void mvwaddwch(WINDOW *w, int y, int x, wchar_t wch);
+wchar_t* alloc_mbstows(const char *mbstring);
-/* (auto) size and (auto) position */
-#define SCREENLINES (getmaxy(stdscr))
-#define SCREENCOLS (getmaxx(stdscr))
+/* buttons */
+void
+set_buttons(struct dialog *d, bool shortcut, const char *oklabel,
+ const char *canclabel);
+void draw_buttons(struct dialog *d);
+bool shortcut_buttons(wint_t key, struct buttons *bs);
-int
-text_size(struct bsddialog_conf *conf, int rows, int cols, const char *text,
- struct buttons *bs, int rowsnotext, int startwtext, int *htext, int *wtext);
+/* widget utils */
+int hide_dialog(struct dialog *d);
+int f1help_dialog(struct bsddialog_conf *conf);
-int widget_max_height(struct bsddialog_conf *conf);
-int widget_max_width(struct bsddialog_conf *conf);
+void
+draw_borders(struct bsddialog_conf *conf, WINDOW *win, enum elevation elev);
-int
-widget_min_height(struct bsddialog_conf *conf, int htext, int minwidget,
- bool withbuttons);
+void
+update_box(struct bsddialog_conf *conf, WINDOW *win, int y, int x, int h, int w,
+ enum elevation elev);
-int
-widget_min_width(struct bsddialog_conf *conf, int wtext, int minwidget,
- struct buttons *bs);
+void
+rtextpad(struct dialog *d, int ytext, int xtext, int upnotext, int downnotext);
+/* (auto) sizing and (auto) position */
int
set_widget_size(struct bsddialog_conf *conf, int rows, int cols, int *h,
int *w);
int
-set_widget_position(struct bsddialog_conf *conf, int *y, int *x, int h, int w);
+set_widget_autosize(struct bsddialog_conf *conf, int rows, int cols, int *h,
+ int *w, const char *text, int *rowstext, struct buttons *bs, int hnotext,
+ int minw);
-/* widget builders */
-enum elevation { RAISED, LOWERED };
+int widget_checksize(int h, int w, struct buttons *bs, int hnotext, int minw);
-void
-draw_borders(struct bsddialog_conf *conf, WINDOW *win, int rows, int cols,
- enum elevation elev);
+int
+set_widget_position(struct bsddialog_conf *conf, int *y, int *x, int h, int w);
-WINDOW *
-new_boxed_window(struct bsddialog_conf *conf, int y, int x, int rows, int cols,
- enum elevation elev);
+int dialog_size_position(struct dialog *d, int hnotext, int minw, int *htext);
-int
-new_dialog(struct bsddialog_conf *conf, WINDOW **shadow, WINDOW **widget, int y,
- int x, int h, int w, WINDOW **textpad, const char *text, struct buttons *bs,
- bool shortcutbuttons);
+/* dialog */
+void end_dialog(struct dialog *d);
+int draw_dialog(struct dialog *d);
int
-update_dialog(struct bsddialog_conf *conf, WINDOW *shadow, WINDOW *widget,
- int y, int x, int h, int w, WINDOW *textpad, const char *text,
- struct buttons *bs, bool shortcutbuttons);
-
-void
-end_dialog(struct bsddialog_conf *conf, WINDOW *shadow, WINDOW *widget,
- WINDOW *textpad);
+prepare_dialog(struct bsddialog_conf *conf, const char *text, int rows,
+ int cols, struct dialog *d);
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-23 18:52:16 +0000