#include <xcb/xproto.h>
#include <xcb/xcb_keysyms.h>
+/**
+ * Opaque data structure for storing strings.
+ *
+ */
+typedef struct _i3String i3String;
+
typedef struct Font i3Font;
/**
*
*/
struct Font {
- /** The height of the font, built from font_ascent + font_descent */
- int height;
/** The xcb-id for the font */
xcb_font_t id;
+
+ /** Font information gathered from the server */
+ xcb_query_font_reply_t *info;
+
+ /** Font table for this font (may be NULL) */
+ xcb_charinfo_t *table;
+
+ /** The height of the font, built from font_ascent + font_descent */
+ int height;
};
/* Since this file also gets included by utilities which don’t use the i3 log
#endif
/**
- * Try to get the socket path from X11 and return NULL if it doesn’t work.
+ * Try to get the contents of the given atom (for example I3_SOCKET_PATH) from
+ * the X11 root window and return NULL if it doesn’t work.
*
- * The memory for the socket path is dynamically allocated and has to be
+ * The memory for the contents is dynamically allocated and has to be
* free()d by the caller.
*
*/
-char *socket_path_from_x11();
+char *root_atom_contents(const char *atomname);
/**
* Safe-wrapper around malloc which exits if malloc returns NULL (meaning that
*/
int sasprintf(char **strp, const char *fmt, ...);
+/**
+ * Build an i3String from an UTF-8 encoded string.
+ * Returns the newly-allocated i3String.
+ *
+ */
+i3String *i3string_from_utf8(const char *from_utf8);
+
+/**
+ * Build an i3String from an UTF-8 encoded string with fixed length.
+ * To be used when no proper NUL-terminaison is available.
+ * Returns the newly-allocated i3String.
+ *
+ */
+i3String *i3string_from_utf8_with_length(const char *from_utf8, size_t num_bytes);
+
+/**
+ * Build an i3String from an UCS-2 encoded string.
+ * Returns the newly-allocated i3String.
+ *
+ */
+i3String *i3string_from_ucs2(const xcb_char2b_t *from_ucs2, size_t num_glyphs);
+
+/**
+ * Free an i3String.
+ *
+ */
+void i3string_free(i3String *str);
+
+/**
+ * Securely i3string_free by setting the pointer to NULL
+ * to prevent accidentally using freed memory.
+ *
+ */
+#define I3STRING_FREE(str) \
+do { \
+ if (str != NULL) { \
+ i3string_free(str); \
+ str = NULL; \
+ } \
+} while (0)
+
+/**
+ * Returns the UTF-8 encoded version of the i3String.
+ *
+ */
+const char *i3string_as_utf8(i3String *str);
+
+/**
+ * Returns the UCS-2 encoded version of the i3String.
+ *
+ */
+const xcb_char2b_t *i3string_as_ucs2(i3String *str);
+
+/**
+ * Returns the number of bytes (UTF-8 encoded) in an i3String.
+ *
+ */
+size_t i3string_get_num_bytes(i3String *str);
+
+/**
+ * Returns the number of glyphs in an i3String.
+ *
+ */
+size_t i3string_get_num_glyphs(i3String *str);
+
/**
* Connects to the i3 IPC socket and returns the file descriptor for the
* socket. die()s if anything goes wrong.
* the fonts 'fixed' or '-misc-*' will be loaded instead of exiting.
*
*/
-i3Font load_font(const char *pattern, bool fallback);
+i3Font load_font(const char *pattern, const bool fallback);
+
+/**
+ * Defines the font to be used for the forthcoming calls.
+ *
+ */
+void set_font(i3Font *font);
+
+/**
+ * Frees the resources taken by the current font.
+ *
+ */
+void free_font(void);
+
+/**
+ * Converts the given string to UTF-8 from UCS-2 big endian. The return value
+ * must be freed after use.
+ *
+ */
+char *convert_ucs2_to_utf8(xcb_char2b_t *text, size_t num_glyphs);
+
+/**
+ * Converts the given string to UCS-2 big endian for use with
+ * xcb_image_text_16(). The amount of real glyphs is stored in real_strlen,
+ * a buffer containing the UCS-2 encoded string (16 bit per glyph) is
+ * returned. It has to be freed when done.
+ *
+ */
+xcb_char2b_t *convert_utf8_to_ucs2(char *input, size_t *real_strlen);
+
+/**
+ * Defines the colors to be used for the forthcoming draw_text calls.
+ *
+ */
+void set_font_colors(xcb_gcontext_t gc, uint32_t foreground, uint32_t background);
+
+/**
+ * Draws text onto the specified X drawable (normally a pixmap) at the
+ * specified coordinates (from the top left corner of the leftmost, uppermost
+ * glyph) and using the provided gc.
+ *
+ * Text must be specified as an i3String.
+ *
+ */
+void draw_text(i3String *text, xcb_drawable_t drawable,
+ xcb_gcontext_t gc, int x, int y, int max_width);
+
+/**
+ * ASCII version of draw_text to print static strings.
+ *
+ */
+void draw_text_ascii(const char *text, xcb_drawable_t drawable,
+ xcb_gcontext_t gc, int x, int y, int max_width);
+
+/**
+ * Predict the text width in pixels for the given text. Text must be
+ * specified as an i3String.
+ *
+ */
+int predict_text_width(i3String *text);
+
+/**
+ * Returns the visual type associated with the given screen.
+ *
+ */
+xcb_visualtype_t *get_visualtype(xcb_screen_t *screen);
+
+/**
+ * Returns true if this version of i3 is a debug build (anything which is not a
+ * release version), based on the git version number.
+ *
+ */
+bool is_debug_build() __attribute__((const));
#endif
projects / i3 / i3 / blobdiff